diff options
117 files changed, 1503 insertions, 2227 deletions
diff --git a/Documentation/driver-model/platform.txt b/Documentation/driver-model/platform.txt index 2a97320ee17f..83009fdcbbc8 100644 --- a/Documentation/driver-model/platform.txt +++ b/Documentation/driver-model/platform.txt @@ -122,15 +122,15 @@ None the less, there are some APIs to support such legacy drivers. Avoid using these calls except with such hotplug-deficient drivers. struct platform_device *platform_device_alloc( - char *name, unsigned id); + const char *name, int id); You can use platform_device_alloc() to dynamically allocate a device, which you will then initialize with resources and platform_device_register(). A better solution is usually: struct platform_device *platform_device_register_simple( - char *name, unsigned id, - struct resource *res, unsigned nres); + const char *name, int id, + struct resource *res, unsigned int nres); You can use platform_device_register_simple() as a one-step call to allocate and register a device. diff --git a/Documentation/ja_JP/stable_kernel_rules.txt b/Documentation/ja_JP/stable_kernel_rules.txt new file mode 100644 index 000000000000..17d87519e468 --- /dev/null +++ b/Documentation/ja_JP/stable_kernel_rules.txt @@ -0,0 +1,79 @@ +NOTE: +This is Japanese translated version of "Documentation/stable_kernel_rules.txt". +This one is maintained by Tsugikazu Shibata <tshibata@ab.jp.nec.com> +and JF Project team <www.linux.or.jp/JF>. +If you find difference with original file or problem in translation, +please contact maintainer of this file or JF project. + +Please also note that purpose of this file is easier to read for non +English natives and do no intended to fork. So, if you have any +comment or update of this file, please try to update Original(English) +file at first. + +================================== +ããã¯ã +linux-2.6.24/Documentation/stable_kernel_rules.txt +ã®å訳ã§ãã + +翻訳å£ä½ï¼ JF ããã¸ã§ã¯ã < http://www.linux.or.jp/JF/ > +翻訳æ¥ï¼ 2007/12/30 +翻訳è
ï¼ Tsugikazu Shibata <tshibata at ab dot jp dot nec dot com> +æ ¡æ£è
ï¼ æ¦äºä¼¸å
ããã<takei at webmasters dot gr dot jp> + ããããã (Seiji Kaneko) <skaneko at a2 dot mbn dot or dot jp> + å°æ é
å
¸ãã (Masanori Kobayasi) <zap03216 at nifty dot ne dot jp> + éå£ãã (Kenji Noguchi) <tokyo246 at gmail dot com> + ç¥å®®ä¿¡å¤ªéãã <jin at libjingu dot jp> +================================== + +ãã£ã¨ç¥ãããã£ã Linux 2.6 -stable ãªãªã¼ã¹ã®å
¨ã¦ + +"-stable" ããªã¼ã«ã©ã®ãããªç¨®é¡ã®ããããåãå
¥ããããããã©ã®ãã㪠+ãã®ãåãå
¥ããããªãããã«ã¤ãã¦ã®è¦å- + + - æããã«æ£ããããã¹ãããã¦ãããã®ã§ãªããã°ãªããªãã + - æè(å¤æ´è¡ã®åå¾)ãå«ã㦠100 è¡ãã大ããã¦ã¯ãããªãã + - ãã ä¸åã®ãã¨ã ããä¿®æ£ãã¦ããã¹ãã + - çãæ©ã¾ãã¦ããæ¬ç©ã®ãã°ãä¿®æ£ããªããã°ãªããªãã("ããã¯ãã°ã§ + ãããããããªãã..." ã®ãããªãã®ã§ã¯ãªã) + - ãã«ãã¨ã©ã¼(CONFIG_BROKENã«ãªã£ã¦ãããã®ãé¤ã), oops, ãã³ã°ããã¼ + ã¿ç ´å£ãç¾å®ã®ã»ãã¥ãªãã£åé¡ããã®ä» "ãããããã¯ãã¡ã ã"ã¨ãã + ãããªãã®ãä¿®æ£ããªããã°ãªããªããçãè¨ãã°ãé大ãªåé¡ã + - ã©ã®ããã«ç«¶åç¶æ
ãçºçãããã®èª¬æãä¸ç·ã«æ¸ããã¦ããªãéãã + "çè«çã«ã¯ç«¶åç¶æ
ã«ãªã"ãããªãã®ã¯ä¸å¯ã + - ãããªãäºç´°ãªä¿®æ£ãå«ãããã¨ã¯ã§ããªãã(ã¹ãã«ã®ä¿®æ£ã空ç½ã®ã¯ãªã¼ + ã³ã¢ãããªã©) + - 対å¿ãããµãã·ã¹ãã ã¡ã³ãããåãå
¥ãããã®ã§ãªããã°ãªããªãã + - Documentation/SubmittingPatches ã®è¦åã«å¾ã£ããã®ã§ãªããã°ãªããªãã + +-stable ããªã¼ã«ããããéä»ããæç¶ã- + + - ä¸è¨ã®è¦åã«å¾ã£ã¦ãããã確èªããå¾ã«ãstable@kernel.org ã«ããã + ãéãã + - éä¿¡è
ã¯ãããããã¥ã¼ã«åãä»ããããéã«ã¯ ACK ããå´ä¸ãããå ´å + ã«ã¯ NAK ãåãåãããã®åå¿ã¯éçºè
ãã¡ã®ã¹ã±ã¸ã¥ã¼ã«ã«ãã£ã¦ãæ° + æ¥ãããå ´åãããã + - ããåãåããããããããã¯ä»ã®éçºè
ãã¡ã®ã¬ãã¥ã¼ã®ããã« + -stable ãã¥ã¼ã«è¿½å ãããã + - ã»ãã¥ãªãã£ãããã¯ãã®ã¨ã¤ãªã¢ã¹ (stable@kernel.org) ã«éãããã¹ + ãã§ã¯ãªãã代ããã« security@kernel.org ã®ã¢ãã¬ã¹ã«éãããã + +ã¬ãã¥ã¼ãµã¤ã¯ã«- + + - -stable ã¡ã³ãããã¬ãã¥ã¼ãµã¤ã¯ã«ã決ããã¨ãããããã¯ã¬ãã¥ã¼å§ + å¡ä¼ã¨ããããå½±é¿ããé åã®ã¡ã³ãã(æä¾è
ããã®é åã®ã¡ã³ããã§ç¡ + ãéã)ã«éãããlinux-kernel ã¡ã¼ãªã³ã°ãªã¹ãã«CCãããã + - ã¬ãã¥ã¼å§å¡ä¼ã¯ 48æéã®éã« ACK ã NAK ãåºãã + - ããããããå§å¡ä¼ã®ã¡ã³ãããå´ä¸ããããã¡ã³ããéãã¡ã³ããæ°ä» + ããªãã£ãåé¡ãæã¡ããããlinux-kernel ã¡ã³ãããããã«ç°è°ãå±ã + ãå ´åã«ã¯ããããã¯ãã¥ã¼ããåé¤ãããã + - ã¬ãã¥ã¼ãµã¤ã¯ã«ã®æå¾ã«ãACK ãåãããããã¯ææ°ã® -stable ãªãªã¼ + ã¹ã«è¿½å ããããã®å¾ã«æ°ãã -stable ãªãªã¼ã¹ãè¡ãããã + - ã»ãã¥ãªãã£ãããã¯ãé常ã®ã¬ãã¥ã¼ãµã¤ã¯ã«ãéãããã»ãã¥ãªã㣠+ ã«ã¼ãã«ãã¼ã ããç´æ¥ -stable ããªã¼ã«åãä»ããããã + ãã®æç¶ãã®è©³ç´°ã«ã¤ãã¦ã¯ kernel security ãã¼ã ã«åãåããããã¨ã + +ã¬ãã¥ã¼å§å¡ä¼- + + - ãã®å§å¡ä¼ã¯ããã®ã¿ã¹ã¯ã«ã¤ãã¦æ´»åããå¤ãã®ãã©ã³ãã£ã¢ã¨ãå°æ°ã® + éãã©ã³ãã£ã¢ã®ã«ã¼ãã«éçºè
éã§æ§æããã¦ããã + diff --git a/MAINTAINERS b/MAINTAINERS index 58b16038baea..2a30bc6bdda0 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -84,13 +84,6 @@ S: Status, one of the following: it has been replaced by a better system and you should be using that. -3C359 NETWORK DRIVER -P: Mike Phillips -M: mikep@linuxtr.net -L: netdev@vger.kernel.org -W: http://www.linuxtr.net -S: Maintained - 3C505 NETWORK DRIVER P: Philip Blundell M: philb@gnu.org @@ -939,8 +932,6 @@ M: maxk@qualcomm.com S: Maintained BONDING DRIVER -P: Chad Tindel -M: ctindel@users.sourceforge.net P: Jay Vosburgh M: fubar@us.ibm.com L: bonding-devel@lists.sourceforge.net @@ -2864,15 +2855,6 @@ L: ocfs2-devel@oss.oracle.com W: http://oss.oracle.com/projects/ocfs2/ S: Supported -OLYMPIC NETWORK DRIVER -P: Peter De Shrijver -M: p2@ace.ulyssis.student.kuleuven.ac.be -P: Mike Phillips -M: mikep@linuxtr.net -L: netdev@vger.kernel.org -W: http://www.linuxtr.net -S: Maintained - OMNIKEY CARDMAN 4000 DRIVER P: Harald Welte M: laforge@gnumonks.org @@ -3788,13 +3770,6 @@ L: tlan-devel@lists.sourceforge.net (subscribers-only) W: http://sourceforge.net/projects/tlan/ S: Maintained -TOKEN-RING NETWORK DRIVER -P: Mike Phillips -M: mikep@linuxtr.net -L: netdev@vger.kernel.org -W: http://www.linuxtr.net -S: Maintained - TOSHIBA ACPI EXTRAS DRIVER P: John Belmonte M: toshiba_acpi@memebeam.org diff --git a/drivers/base/core.c b/drivers/base/core.c index b1727876182c..9c0070b5bd3e 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -423,10 +423,8 @@ struct kset *devices_kset; int device_create_file(struct device *dev, struct device_attribute *attr) { int error = 0; - if (get_device(dev)) { + if (dev) error = sysfs_create_file(&dev->kobj, &attr->attr); - put_device(dev); - } return error; } @@ -437,10 +435,8 @@ int device_create_file(struct device *dev, struct device_attribute *attr) */ void device_remove_file(struct device *dev, struct device_attribute *attr) { - if (get_device(dev)) { + if (dev) sysfs_remove_file(&dev->kobj, &attr->attr); - put_device(dev); - } } /** @@ -1144,25 +1140,11 @@ error: } EXPORT_SYMBOL_GPL(device_create); -/** - * find_device - finds a device that was created with device_create() - * @class: pointer to the struct class that this device was registered with - * @devt: the dev_t of the device that was previously registered - */ -static struct device *find_device(struct class *class, dev_t devt) +static int __match_devt(struct device *dev, void *data) { - struct device *dev = NULL; - struct device *dev_tmp; + dev_t *devt = data; - down(&class->sem); - list_for_each_entry(dev_tmp, &class->devices, node) { - if (dev_tmp->devt == devt) { - dev = dev_tmp; - break; - } - } - up(&class->sem); - return dev; + return dev->devt == *devt; } /** @@ -1177,9 +1159,11 @@ void device_destroy(struct class *class, dev_t devt) { struct device *dev; - dev = find_device(class, devt); - if (dev) + dev = class_find_device(class, &devt, __match_devt); + if (dev) { + put_device(dev); device_unregister(dev); + } } EXPORT_SYMBOL_GPL(device_destroy); @@ -1203,9 +1187,11 @@ void destroy_suspended_device(struct class *class, dev_t devt) { struct device *dev; - dev = find_device(class, devt); - if (dev) + dev = class_find_device(class, &devt, __match_devt); + if (dev) { device_pm_schedule_removal(dev); + put_device(dev); + } } EXPORT_SYMBOL_GPL(destroy_suspended_device); #endif /* CONFIG_PM_SLEEP */ diff --git a/drivers/base/driver.c b/drivers/base/driver.c index a35f04121a00..ba75184c653c 100644 --- a/drivers/base/driver.c +++ b/drivers/base/driver.c @@ -97,10 +97,9 @@ int driver_create_file(struct device_driver *drv, struct driver_attribute *attr) { int error; - if (get_driver(drv)) { + if (drv) error = sysfs_create_file(&drv->p->kobj, &attr->attr); - put_driver(drv); - } else + else error = -EINVAL; return error; } @@ -114,10 +113,8 @@ EXPORT_SYMBOL_GPL(driver_create_file); void driver_remove_file(struct device_driver *drv, struct driver_attribute *attr) { - if (get_driver(drv)) { + if (drv) sysfs_remove_file(&drv->p->kobj, &attr->attr); - put_driver(drv); - } } EXPORT_SYMBOL_GPL(driver_remove_file); diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 200ed5fafd50..bdc03f7e8424 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -129,6 +129,7 @@ void device_pm_schedule_removal(struct device *dev) list_move_tail(&dev->power.entry, &dpm_destroy); mutex_unlock(&dpm_list_mtx); } +EXPORT_SYMBOL_GPL(device_pm_schedule_removal); /** * pm_sleep_lock - mutual exclusion for registration and suspend diff --git a/drivers/base/power/power.h b/drivers/base/power/power.h index 6f0dfca8ebdd..e32d3bdb92c1 100644 --- a/drivers/base/power/power.h +++ b/drivers/base/power/power.h @@ -13,7 +13,6 @@ static inline struct device *to_device(struct list_head *entry) extern void device_pm_add(struct device *); extern void device_pm_remove(struct device *); -extern void device_pm_schedule_removal(struct device *); extern int pm_sleep_lock(void); extern void pm_sleep_unlock(void); diff --git a/drivers/char/drm/drm_vm.c b/drivers/char/drm/drm_vm.c index e8d50af58201..ef5e6b130c48 100644 --- a/drivers/char/drm/drm_vm.c +++ b/drivers/char/drm/drm_vm.c @@ -506,6 +506,7 @@ static int drm_mmap_dma(struct file *filp, struct vm_area_struct *vma) vma->vm_ops = &drm_vm_dma_ops; vma->vm_flags |= VM_RESERVED; /* Don't swap */ + vma->vm_flags |= VM_DONTEXPAND; vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); @@ -655,6 +656,7 @@ static int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma) return -EINVAL; /* This should never happen. */ } vma->vm_flags |= VM_RESERVED; /* Don't swap */ + vma->vm_flags |= VM_DONTEXPAND; vma->vm_file = filp; /* Needed for drm_vm_open() */ drm_vm_open_locked(vma); diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index 82f2e27dca7d..ff146c2b08fd 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c @@ -283,7 +283,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma, vdata->refcnt = ATOMIC_INIT(1); vma->vm_private_data = vdata; - vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP); + vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP | VM_DONTEXPAND); if (vdata->type == MSPEC_FETCHOP || vdata->type == MSPEC_UNCACHED) vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); vma->vm_ops = &mspec_vm_ops; diff --git a/drivers/char/nozomi.c b/drivers/char/nozomi.c index 6076e662886a..dfaab2322de3 100644 --- a/drivers/char/nozomi.c +++ b/drivers/char/nozomi.c @@ -2,7 +2,7 @@ * nozomi.c -- HSDPA driver Broadband Wireless Data Card - Globe Trotter * * Written by: Ulf Jakobsson, - * Jan �erfeldt, + * Jan Åkerfeldt, * Stefan Thomasson, * * Maintained by: Paul Hardwick (p.hardwick@option.com) @@ -38,60 +38,6 @@ * -------------------------------------------------------------------------- */ -/* - * CHANGELOG - * Version 2.1d - * 11-November-2007 Jiri Slaby, Frank Seidel - * - Big rework of multicard support by Jiri - * - Major cleanups (semaphore to mutex, endianess, no major reservation) - * - Optimizations - * - * Version 2.1c - * 30-October-2007 Frank Seidel - * - Completed multicard support - * - Minor cleanups - * - * Version 2.1b - * 07-August-2007 Frank Seidel - * - Minor cleanups - * - theoretical multicard support - * - * Version 2.1 - * 03-July-2006 Paul Hardwick - * - * - Stability Improvements. Incorporated spinlock wraps patch. - * - Updated for newer 2.6.14+ kernels (tty_buffer_request_room) - * - using __devexit macro for tty - * - * - * Version 2.0 - * 08-feb-2006 15:34:10:Ulf - * - * -Fixed issue when not waking up line disipine layer, could probably result - * in better uplink performance for 2.4. - * - * -Fixed issue with big endian during initalization, now proper toggle flags - * are handled between preloader and maincode. - * - * -Fixed flow control issue. - * - * -Added support for setting DTR. - * - * -For 2.4 kernels, removing temporary buffer that's not needed. - * - * -Reading CTS only for modem port (only port that supports it). - * - * -Return 0 in write_room instead of netative value, it's not handled in - * upper layer. - * - * -------------------------------------------------------------------------- - * Version 1.0 - * - * First version of driver, only tested with card of type F32_2. - * Works fine with 2.4 and 2.6 kernels. - * Driver also support big endian architecture. - */ - /* Enable this to have a lot of debug printouts */ #define DEBUG @@ -143,8 +89,9 @@ do { \ /* Do we need this settable at runtime? */ static int debug = NOZOMI_DEBUG_LEVEL; -#define D(lvl, args...) do {if (lvl & debug) NFO(KERN_DEBUG, ##args); } \ - while (0) +#define D(lvl, args...) do \ + {if (lvl & debug) NFO(KERN_DEBUG, ##args); } \ + while (0) #define D_(lvl, args...) D(lvl, ##args) /* These printouts are always printed */ @@ -273,13 +220,13 @@ enum port_type { /* Big endian */ struct toggles { - unsigned enabled:5; /* + unsigned int enabled:5; /* * Toggle fields are valid if enabled is 0, * else A-channels must always be used. */ - unsigned diag_dl:1; - unsigned mdm_dl:1; - unsigned mdm_ul:1; + unsigned int diag_dl:1; + unsigned int mdm_dl:1; + unsigned int mdm_ul:1; } __attribute__ ((packed)); /* Configuration table to read at startup of card */ @@ -320,19 +267,19 @@ struct config_table { /* This stores all control downlink flags */ struct ctrl_dl { u8 port; - unsigned reserved:4; - unsigned CTS:1; - unsigned RI:1; - unsigned DCD:1; - unsigned DSR:1; + unsigned int reserved:4; + unsigned int CTS:1; + unsigned int RI:1; + unsigned int DCD:1; + unsigned int DSR:1; } __attribute__ ((packed)); /* This stores all control uplink flags */ struct ctrl_ul { u8 port; - unsigned reserved:6; - unsigned RTS:1; - unsigned DTR:1; + unsigned int reserved:6; + unsigned int RTS:1; + unsigned int DTR:1; } __attribute__ ((packed)); #else @@ -340,10 +287,10 @@ struct ctrl_ul { /* This represents the toggle information */ struct toggles { - unsigned mdm_ul:1; - unsigned mdm_dl:1; - unsigned diag_dl:1; - unsigned enabled:5; /* + unsigned int mdm_ul:1; + unsigned int mdm_dl:1; + unsigned int diag_dl:1; + unsigned int enabled:5; /* * Toggle fields are valid if enabled is 0, * else A-channels must always be used. */ @@ -379,19 +326,19 @@ struct config_table { /* This stores all control downlink flags */ struct ctrl_dl { - unsigned DSR:1; - unsigned DCD:1; - unsigned RI:1; - unsigned CTS:1; - unsigned reserverd:4; + unsigned int DSR:1; + unsigned int DCD:1; + unsigned int RI:1; + unsigned int CTS:1; + unsigned int reserverd:4; u8 port; } __attribute__ ((packed)); /* This stores all control uplink flags */ struct ctrl_ul { - unsigned DTR:1; - unsigned RTS:1; - unsigned reserved:6; + unsigned int DTR:1; + unsigned int RTS:1; + unsigned int reserved:6; u8 port; } __attribute__ ((packed)); #endif @@ -448,7 +395,7 @@ struct buffer { } __attribute__ ((packed)); /* Global variables */ -static struct pci_device_id nozomi_pci_tbl[] = { +static const struct pci_device_id nozomi_pci_tbl[] __devinitconst = { {PCI_DEVICE(VENDOR1, DEVICE1)}, {}, }; @@ -524,12 +471,12 @@ out: * -Optimize * -Rewrite cleaner */ -static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, +static u32 write_mem32(void __iomem *mem_addr_start, const u32 *buf, u32 size_bytes) { u32 i = 0; u32 *ptr = (__force u32 *) mem_addr_start; - u16 *buf16; + const u16 *buf16; if (unlikely(!ptr || !buf)) return 0; @@ -537,7 +484,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, /* shortcut for extremely often used cases */ switch (size_bytes) { case 2: /* 2 bytes */ - buf16 = (u16 *) buf; + buf16 = (const u16 *)buf; writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); return 2; break; @@ -554,7 +501,7 @@ static u32 write_mem32(void __iomem *mem_addr_start, u32 *buf, while (i < size_bytes) { if (size_bytes - i == 2) { /* 2 bytes */ - buf16 = (u16 *) buf; + buf16 = (const u16 *)buf; writew(__cpu_to_le16(*buf16), (void __iomem *)ptr); i += 2; } else { @@ -694,7 +641,7 @@ static void dump_table(const struct nozomi *dc) dc->config_table.ul_ctrl_len); } #else -static __inline__ void dump_table(const struct nozomi *dc) { } +static inline void dump_table(const struct nozomi *dc) { } #endif /* @@ -776,8 +723,7 @@ static int nozomi_read_config_table(struct nozomi *dc) /* Enable uplink interrupts */ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL}; + static const u16 mask[] = {MDM_UL, DIAG_UL, APP1_UL, APP2_UL, CTRL_UL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier |= mask[port]; @@ -790,8 +736,8 @@ static void enable_transmit_ul(enum port_type port, struct nozomi *dc) /* Disable uplink interrupts */ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL}; + static const u16 mask[] = + {~MDM_UL, ~DIAG_UL, ~APP1_UL, ~APP2_UL, ~CTRL_UL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier &= mask[port]; @@ -804,8 +750,7 @@ static void disable_transmit_ul(enum port_type port, struct nozomi *dc) /* Enable downlink interrupts */ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL}; + static const u16 mask[] = {MDM_DL, DIAG_DL, APP1_DL, APP2_DL, CTRL_DL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier |= mask[port]; @@ -818,8 +763,8 @@ static void enable_transmit_dl(enum port_type port, struct nozomi *dc) /* Disable downlink interrupts */ static void disable_transmit_dl(enum port_type port, struct nozomi *dc) { - u16 mask[NOZOMI_MAX_PORTS] = \ - {~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL}; + static const u16 mask[] = + {~MDM_DL, ~DIAG_DL, ~APP1_DL, ~APP2_DL, ~CTRL_DL}; if (port < NOZOMI_MAX_PORTS) { dc->last_ier &= mask[port]; @@ -833,13 +778,13 @@ static void disable_transmit_dl(enum port_type port, struct nozomi *dc) * Return 1 - send buffer to card and ack. * Return 0 - don't ack, don't send buffer to card. */ -static int send_data(enum port_type index, struct nozomi *dc) +static int send_data(enum port_type index, const struct nozomi *dc) { u32 size = 0; - struct port *port = &dc->port[index]; - u8 toggle = port->toggle_ul; + const struct port *port = &dc->port[index]; + const u8 toggle = port->toggle_ul; void __iomem *addr = port->ul_addr[toggle]; - u32 ul_size = port->ul_size[toggle]; + const u32 ul_size = port->ul_size[toggle]; struct tty_struct *tty = port->tty; /* Get data from tty and place in buf for now */ @@ -1102,7 +1047,7 @@ static int send_flow_control(struct nozomi *dc) } /* - * Handle donlink data, ports that are handled are modem and diagnostics + * Handle downlink data, ports that are handled are modem and diagnostics * Return 1 - ok * Return 0 - toggle fields are out of sync */ @@ -1359,20 +1304,20 @@ static void nozomi_setup_private_data(struct nozomi *dc) static ssize_t card_type_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); + const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); return sprintf(buf, "%d\n", dc->card_type); } -static DEVICE_ATTR(card_type, 0444, card_type_show, NULL); +static DEVICE_ATTR(card_type, S_IRUGO, card_type_show, NULL); static ssize_t open_ttys_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); + const struct nozomi *dc = pci_get_drvdata(to_pci_dev(dev)); return sprintf(buf, "%u\n", dc->open_ttys); } -static DEVICE_ATTR(open_ttys, 0444, open_ttys_show, NULL); +static DEVICE_ATTR(open_ttys, S_IRUGO, open_ttys_show, NULL); static void make_sysfs_files(struct nozomi *dc) { @@ -1735,7 +1680,7 @@ static int ntty_write_room(struct tty_struct *tty) { struct port *port = tty->driver_data; int room = 0; - struct nozomi *dc = get_dc_by_tty(tty); + const struct nozomi *dc = get_dc_by_tty(tty); if (!dc || !port) return 0; @@ -1755,9 +1700,9 @@ exit: /* Gets io control parameters */ static int ntty_tiocmget(struct tty_struct *tty, struct file *file) { - struct port *port = tty->driver_data; - struct ctrl_dl *ctrl_dl = &port->ctrl_dl; - struct ctrl_ul *ctrl_ul = &port->ctrl_ul; + const struct port *port = tty->driver_data; + const struct ctrl_dl *ctrl_dl = &port->ctrl_dl; + const struct ctrl_ul *ctrl_ul = &port->ctrl_ul; return (ctrl_ul->RTS ? TIOCM_RTS : 0) | (ctrl_ul->DTR ? TIOCM_DTR : 0) | @@ -1787,7 +1732,7 @@ static int ntty_tiocmset(struct tty_struct *tty, struct file *file, static int ntty_cflags_changed(struct port *port, unsigned long flags, struct async_icount *cprev) { - struct async_icount cnow = port->tty_icount; + const struct async_icount cnow = port->tty_icount; int ret; ret = ((flags & TIOCM_RNG) && (cnow.rng != cprev->rng)) || @@ -1802,7 +1747,7 @@ static int ntty_cflags_changed(struct port *port, unsigned long flags, static int ntty_ioctl_tiocgicount(struct port *port, void __user *argp) { - struct async_icount cnow = port->tty_icount; + const struct async_icount cnow = port->tty_icount; struct serial_icounter_struct icount; icount.cts = cnow.cts; @@ -1882,7 +1827,10 @@ static void ntty_throttle(struct tty_struct *tty) /* just to discard single character writes */ static void ntty_put_char(struct tty_struct *tty, unsigned char c) { - /* FIXME !!! */ + /* + * card does not react correct when we write single chars + * to the card, so we discard them + */ DBG2("PUT CHAR Function: %c", c); } @@ -1910,7 +1858,7 @@ exit_in_buffer: return rval; } -static struct tty_operations tty_ops = { +static const struct tty_operations tty_ops = { .ioctl = ntty_ioctl, .open = ntty_open, .close = ntty_close, diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index 7ce0ea64465c..28958101061f 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -36,6 +36,7 @@ #include <linux/completion.h> #include <linux/device.h> #include <linux/kthread.h> +#include <linux/platform_device.h> #include <asm/uaccess.h> #include <asm/semaphore.h> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 389980f0e59e..55d224c8a0b9 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -814,8 +814,8 @@ config ULTRA32 will be called smc-ultra32. config BFIN_MAC - tristate "Blackfin 536/537 on-chip mac support" - depends on NET_ETHERNET && (BF537 || BF536) && (!BF537_PORT_H) + tristate "Blackfin 527/536/537 on-chip mac support" + depends on NET_ETHERNET && (BF527 || BF537 || BF536) && (!BF537_PORT_H) select CRC32 select MII select PHYLIB @@ -828,7 +828,7 @@ config BFIN_MAC config BFIN_MAC_USE_L1 bool "Use L1 memory for rx/tx packets" - depends on BFIN_MAC && BF537 + depends on BFIN_MAC && (BF527 || BF537) default y help To get maximum network performance, you should use L1 memory as rx/tx buffers. @@ -855,7 +855,8 @@ config BFIN_RX_DESC_NUM config BFIN_MAC_RMII bool "RMII PHY Interface (EXPERIMENTAL)" depends on BFIN_MAC && EXPERIMENTAL - default n + default y if BFIN527_EZKIT + default n if BFIN537_STAMP help Use Reduced PHY MII Interface @@ -1199,7 +1200,7 @@ config NE2_MCA config IBMLANA tristate "IBM LAN Adapter/A support" - depends on MCA && MCA_LEGACY + depends on MCA ---help--- This is a Micro Channel Ethernet adapter. You need to set CONFIG_MCA to use this driver. It is both available as an in-kernel diff --git a/drivers/net/arm/at91_ether.c b/drivers/net/arm/at91_ether.c index 25b114a4e2b1..0ae0d83e5d22 100644 --- a/drivers/net/arm/at91_ether.c +++ b/drivers/net/arm/at91_ether.c @@ -384,7 +384,7 @@ static void reset_phy(struct net_device *dev) /* Wait until PHY reset is complete */ do { read_phy(lp->phy_address, MII_BMCR, &bmcr); - } while (!(bmcr && BMCR_RESET)); + } while (!(bmcr & BMCR_RESET)); disable_mdi(); spin_unlock_irq(&lp->lock); diff --git a/drivers/net/ax88796.c b/drivers/net/ax88796.c index 7495a9ee8f4b..194949afacd0 100644 --- a/drivers/net/ax88796.c +++ b/drivers/net/ax88796.c @@ -137,11 +137,12 @@ static int ax_initial_check(struct net_device *dev) static void ax_reset_8390(struct net_device *dev) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); unsigned long reset_start_time = jiffies; void __iomem *addr = (void __iomem *)dev->base_addr; if (ei_debug > 1) - printk(KERN_DEBUG "resetting the 8390 t=%ld...", jiffies); + dev_dbg(&ax->dev->dev, "resetting the 8390 t=%ld\n", jiffies); ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET); @@ -151,7 +152,7 @@ static void ax_reset_8390(struct net_device *dev) /* This check _should_not_ be necessary, omit eventually. */ while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) { if (jiffies - reset_start_time > 2*HZ/100) { - printk(KERN_WARNING "%s: %s did not complete.\n", + dev_warn(&ax->dev->dev, "%s: %s did not complete.\n", __FUNCTION__, dev->name); break; } @@ -165,13 +166,15 @@ static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, int ring_page) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); void __iomem *nic_base = ei_local->mem; /* This *shouldn't* happen. If it does, it's the last thing you'll see */ if (ei_status.dmaing) { - printk(KERN_EMERG "%s: DMAing conflict in %s [DMAstat:%d][irqlock:%d].\n", + dev_err(&ax->dev->dev, "%s: DMAing conflict in %s " + "[DMAstat:%d][irqlock:%d].\n", dev->name, __FUNCTION__, - ei_status.dmaing, ei_status.irqlock); + ei_status.dmaing, ei_status.irqlock); return; } @@ -204,13 +207,16 @@ static void ax_block_input(struct net_device *dev, int count, struct sk_buff *skb, int ring_offset) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); void __iomem *nic_base = ei_local->mem; char *buf = skb->data; if (ei_status.dmaing) { - printk(KERN_EMERG "%s: DMAing conflict in ax_block_input " + dev_err(&ax->dev->dev, + "%s: DMAing conflict in %s " "[DMAstat:%d][irqlock:%d].\n", - dev->name, ei_status.dmaing, ei_status.irqlock); + dev->name, __FUNCTION__, + ei_status.dmaing, ei_status.irqlock); return; } @@ -239,6 +245,7 @@ static void ax_block_output(struct net_device *dev, int count, const unsigned char *buf, const int start_page) { struct ei_device *ei_local = netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); void __iomem *nic_base = ei_local->mem; unsigned long dma_start; @@ -251,7 +258,7 @@ static void ax_block_output(struct net_device *dev, int count, /* This *shouldn't* happen. If it does, it's the last thing you'll see */ if (ei_status.dmaing) { - printk(KERN_EMERG "%s: DMAing conflict in %s." + dev_err(&ax->dev->dev, "%s: DMAing conflict in %s." "[DMAstat:%d][irqlock:%d]\n", dev->name, __FUNCTION__, ei_status.dmaing, ei_status.irqlock); @@ -281,7 +288,8 @@ static void ax_block_output(struct net_device *dev, int count, while ((ei_inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) { if (jiffies - dma_start > 2*HZ/100) { /* 20ms */ - printk(KERN_WARNING "%s: timeout waiting for Tx RDC.\n", dev->name); + dev_warn(&ax->dev->dev, + "%s: timeout waiting for Tx RDC.\n", dev->name); ax_reset_8390(dev); ax_NS8390_init(dev,1); break; @@ -424,10 +432,11 @@ static void ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value) { struct ei_device *ei = (struct ei_device *) netdev_priv(dev); + struct ax_device *ax = to_ax_dev(dev); unsigned long flags; - printk(KERN_DEBUG "%s: %p, %04x, %04x %04x\n", - __FUNCTION__, dev, phy_addr, reg, value); + dev_dbg(&ax->dev->dev, "%s: %p, %04x, %04x %04x\n", + __FUNCTION__, dev, phy_addr, reg, value); spin_lock_irqsave(&ei->page_lock, flags); @@ -750,14 +759,11 @@ static int ax_init_dev(struct net_device *dev, int first_init) ax_NS8390_init(dev, 0); if (first_init) { - printk("AX88796: %dbit, irq %d, %lx, MAC: ", - ei_status.word16 ? 16:8, dev->irq, dev->base_addr); - - for (i = 0; i < ETHER_ADDR_LEN; i++) - printk("%2.2x%c", dev->dev_addr[i], - (i < (ETHER_ADDR_LEN-1) ? ':' : ' ')); + DECLARE_MAC_BUF(mac); - printk("\n"); + dev_info(&ax->dev->dev, "%dbit, irq %d, %lx, MAC: %s\n", + ei_status.word16 ? 16:8, dev->irq, dev->base_addr, + print_mac(mac, dev->dev_addr)); } ret = register_netdev(dev); diff --git a/drivers/net/bfin_mac.c b/drivers/net/bfin_mac.c index eb971755a3ff..c993a32b3f50 100644 --- a/drivers/net/bfin_mac.c +++ b/drivers/net/bfin_mac.c @@ -1,34 +1,11 @@ /* - * File: drivers/net/bfin_mac.c - * Based on: - * Maintainer: - * Bryan Wu <bryan.wu@analog.com> + * Blackfin On-Chip MAC Driver * - * Original author: - * Luke Yang <luke.yang@analog.com> + * Copyright 2004-2007 Analog Devices Inc. * - * Created: - * Description: + * Enter bugs at http://blackfin.uclinux.org/ * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software ; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation ; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY ; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program ; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under the GPL-2 or later. */ #include <linux/init.h> @@ -65,7 +42,7 @@ #define DRV_NAME "bfin_mac" #define DRV_VERSION "1.1" #define DRV_AUTHOR "Bryan Wu, Luke Yang" -#define DRV_DESC "Blackfin BF53[67] on-chip Ethernet MAC driver" +#define DRV_DESC "Blackfin BF53[67] BF527 on-chip Ethernet MAC driver" MODULE_AUTHOR(DRV_AUTHOR); MODULE_LICENSE("GPL"); @@ -296,7 +273,7 @@ static void mdio_poll(void) /* poll the STABUSY bit */ while ((bfin_read_EMAC_STAADD()) & STABUSY) { - mdelay(10); + udelay(1); if (timeout_cnt-- < 0) { printk(KERN_ERR DRV_NAME ": wait MDC/MDIO transaction to complete timeout\n"); @@ -412,20 +389,26 @@ static void bf537_adjust_link(struct net_device *dev) spin_unlock_irqrestore(&lp->lock, flags); } +/* MDC = 2.5 MHz */ +#define MDC_CLK 2500000 + static int mii_probe(struct net_device *dev) { struct bf537mac_local *lp = netdev_priv(dev); struct phy_device *phydev = NULL; unsigned short sysctl; int i; + u32 sclk, mdc_div; /* Enable PHY output early */ if (!(bfin_read_VR_CTL() & PHYCLKOE)) bfin_write_VR_CTL(bfin_read_VR_CTL() | PHYCLKOE); - /* MDC = 2.5 MHz */ + sclk = get_sclk(); + mdc_div = ((sclk / MDC_CLK) / 2) - 1; + sysctl = bfin_read_EMAC_SYSCTL(); - sysctl |= SET_MDCDIV(24); + sysctl = (sysctl & ~MDCDIV) | SET_MDCDIV(mdc_div); bfin_write_EMAC_SYSCTL(sysctl); /* search for connect PHY device */ @@ -477,8 +460,10 @@ static int mii_probe(struct net_device *dev) lp->phydev = phydev; printk(KERN_INFO "%s: attached PHY driver [%s] " - "(mii_bus:phy_addr=%s, irq=%d)\n", - DRV_NAME, phydev->drv->name, phydev->dev.bus_id, phydev->irq); + "(mii_bus:phy_addr=%s, irq=%d, mdc_clk=%dHz(mdc_div=%d)" + "@sclk=%dMHz)\n", + DRV_NAME, phydev->drv->name, phydev->dev.bus_id, phydev->irq, + MDC_CLK, mdc_div, sclk/1000000); return 0; } @@ -551,7 +536,7 @@ static void adjust_tx_list(void) */ if (current_tx_ptr->next->next == tx_list_head) { while (tx_list_head->status.status_word == 0) { - mdelay(10); + mdelay(1); if (tx_list_head->status.status_word != 0 || !(bfin_read_DMA2_IRQ_STATUS() & 0x08)) { goto adjust_head; @@ -666,6 +651,12 @@ static void bf537mac_rx(struct net_device *dev) current_rx_ptr->skb = new_skb; current_rx_ptr->desc_a.start_addr = (unsigned long)new_skb->data - 2; + /* Invidate the data cache of skb->data range when it is write back + * cache. It will prevent overwritting the new data from DMA + */ + blackfin_dcache_invalidate_range((unsigned long)new_skb->head, + (unsigned long)new_skb->end); + len = (unsigned short)((current_rx_ptr->status.status_word) & RX_FRLEN); skb_put(skb, len); blackfin_dcache_invalidate_range((unsigned long)skb->head, @@ -767,7 +758,7 @@ static void bf537mac_enable(void) #if defined(CONFIG_BFIN_MAC_RMII) opmode |= RMII; /* For Now only 100MBit are supported */ -#ifdef CONFIG_BF_REV_0_2 +#if (defined(CONFIG_BF537) || defined(CONFIG_BF536)) && CONFIG_BF_REV_0_2 opmode |= TE; #endif #endif @@ -792,6 +783,39 @@ static void bf537mac_timeout(struct net_device *dev) netif_wake_queue(dev); } +static void bf537mac_multicast_hash(struct net_device *dev) +{ + u32 emac_hashhi, emac_hashlo; + struct dev_mc_list *dmi = dev->mc_list; + char *addrs; + int i; + u32 crc; + + emac_hashhi = emac_hashlo = 0; + + for (i = 0; i < dev->mc_count; i++) { + addrs = dmi->dmi_addr; + dmi = dmi->next; + + /* skip non-multicast addresses */ + if (!(*addrs & 1)) + continue; + + crc = ether_crc(ETH_ALEN, addrs); + crc >>= 26; + + if (crc & 0x20) + emac_hashhi |= 1 << (crc & 0x1f); + else + emac_hashlo |= 1 << (crc & 0x1f); + } + + bfin_write_EMAC_HASHHI(emac_hashhi); + bfin_write_EMAC_HASHLO(emac_hashlo); + + return; +} + /* * This routine will, depending on the values passed to it, * either make it accept multicast packets, go into @@ -807,11 +831,17 @@ static void bf537mac_set_multicast_list(struct net_device *dev) sysctl = bfin_read_EMAC_OPMODE(); sysctl |= RAF; bfin_write_EMAC_OPMODE(sysctl); - } else if (dev->flags & IFF_ALLMULTI || dev->mc_count) { + } else if (dev->flags & IFF_ALLMULTI) { /* accept all multicast */ sysctl = bfin_read_EMAC_OPMODE(); sysctl |= PAM; bfin_write_EMAC_OPMODE(sysctl); + } else if (dev->mc_count) { + /* set up multicast hash table */ + sysctl = bfin_read_EMAC_OPMODE(); + sysctl |= HM; + bfin_write_EMAC_OPMODE(sysctl); + bf537mac_multicast_hash(dev); } else { /* clear promisc or multicast mode */ sysctl = bfin_read_EMAC_OPMODE(); @@ -860,10 +890,10 @@ static int bf537mac_open(struct net_device *dev) return retval; phy_start(lp->phydev); + phy_write(lp->phydev, MII_BMCR, BMCR_RESET); setup_system_regs(dev); bf537mac_disable(); bf537mac_enable(); - pr_debug("hardware init finished\n"); netif_start_queue(dev); netif_carrier_on(dev); @@ -886,6 +916,7 @@ static int bf537mac_close(struct net_device *dev) netif_carrier_off(dev); phy_stop(lp->phydev); + phy_write(lp->phydev, MII_BMCR, BMCR_PDOWN); /* clear everything */ bf537mac_shutdown(dev); @@ -970,7 +1001,7 @@ static int __init bf537mac_probe(struct net_device *dev) /* register irq handler */ if (request_irq (IRQ_MAC_RX, bf537mac_interrupt, IRQF_DISABLED | IRQF_SHARED, - "BFIN537_MAC_RX", dev)) { + "EMAC_RX", dev)) { printk(KERN_WARNING DRV_NAME ": Unable to attach BlackFin MAC RX interrupt\n"); return -EBUSY; diff --git a/drivers/net/bfin_mac.h b/drivers/net/bfin_mac.h index 5970ea7142cd..f774d5a36942 100644 --- a/drivers/net/bfin_mac.h +++ b/drivers/net/bfin_mac.h @@ -1,34 +1,11 @@ /* - * File: drivers/net/bfin_mac.c - * Based on: - * Maintainer: - * Bryan Wu <bryan.wu@analog.com> + * Blackfin On-Chip MAC Driver * - * Original author: - * Luke Yang <luke.yang@analog.com> + * Copyright 2004-2007 Analog Devices Inc. * - * Created: - * Description: + * Enter bugs at http://blackfin.uclinux.org/ * - * Modified: - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software ; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation ; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY ; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program ; see the file COPYING. - * If not, write to the Free Software Foundation, - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under the GPL-2 or later. */ #define BFIN_MAC_CSUM_OFFLOAD diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2039f7838f2d..0942d82f7cbf 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -1464,10 +1464,12 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev) dev_set_allmulti(slave_dev, 1); } + netif_tx_lock_bh(bond_dev); /* upload master's mc_list to new slave */ for (dmi = bond_dev->mc_list; dmi; dmi = dmi->next) { dev_mc_add (slave_dev, dmi->dmi_addr, dmi->dmi_addrlen, 0); } + netif_tx_unlock_bh(bond_dev); } if (bond->params.mode == BOND_MODE_8023AD) { @@ -1821,7 +1823,9 @@ int bond_release(struct net_device *bond_dev, struct net_device *slave_dev) } /* flush master's mc_list from slave */ + netif_tx_lock_bh(bond_dev); bond_mc_list_flush(bond_dev, slave_dev); + netif_tx_unlock_bh(bond_dev); } netdev_set_master(slave_dev, NULL); @@ -1942,7 +1946,9 @@ static int bond_release_all(struct net_device *bond_dev) } /* flush master's mc_list from slave */ + netif_tx_lock_bh(bond_dev); bond_mc_list_flush(bond_dev, slave_dev); + netif_tx_unlock_bh(bond_dev); } netdev_set_master(slave_dev, NULL); @@ -2795,14 +2801,11 @@ void bond_loadbalance_arp_mon(struct work_struct *work) } if (do_failover) { - rtnl_lock(); write_lock_bh(&bond->curr_slave_lock); bond_select_active_slave(bond); write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); - } re_arm: @@ -2859,8 +2862,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) slave->link = BOND_LINK_UP; - rtnl_lock(); - write_lock_bh(&bond->curr_slave_lock); if ((!bond->curr_active_slave) && @@ -2896,7 +2897,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) } write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); } } else { read_lock(&bond->curr_slave_lock); @@ -2966,7 +2966,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) bond->dev->name, slave->dev->name); - rtnl_lock(); write_lock_bh(&bond->curr_slave_lock); bond_select_active_slave(bond); @@ -2974,8 +2973,6 @@ void bond_activebackup_arp_mon(struct work_struct *work) write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); - bond->current_arp_slave = slave; if (slave) { @@ -2993,13 +2990,10 @@ void bond_activebackup_arp_mon(struct work_struct *work) bond->primary_slave->dev->name); /* primary is up so switch to it */ - rtnl_lock(); write_lock_bh(&bond->curr_slave_lock); bond_change_active_slave(bond, bond->primary_slave); write_unlock_bh(&bond->curr_slave_lock); - rtnl_unlock(); - slave = bond->primary_slave; slave->jiffies = jiffies; } else { @@ -3769,42 +3763,45 @@ static struct net_device_stats *bond_get_stats(struct net_device *bond_dev) { struct bonding *bond = bond_dev->priv; struct net_device_stats *stats = &(bond->stats), *sstats; + struct net_device_stats local_stats; struct slave *slave; int i; - memset(stats, 0, sizeof(struct net_device_stats)); + memset(&local_stats, 0, sizeof(struct net_device_stats)); read_lock_bh(&bond->lock); bond_for_each_slave(bond, slave, i) { sstats = slave->dev->get_stats(slave->dev); - stats->rx_packets += sstats->rx_packets; - stats->rx_bytes += sstats->rx_bytes; - stats->rx_errors += sstats->rx_errors; - stats->rx_dropped += sstats->rx_dropped; + local_stats.rx_packets += sstats->rx_packets; + local_stats.rx_bytes += sstats->rx_bytes; + local_stats.rx_errors += sstats->rx_errors; + local_stats.rx_dropped += sstats->rx_dropped; - stats->tx_packets += sstats->tx_packets; - stats->tx_bytes += sstats->tx_bytes; - stats->tx_errors += sstats->tx_errors; - stats->tx_dropped += sstats->tx_dropped; + local_stats.tx_packets += sstats->tx_packets; + local_stats.tx_bytes += sstats->tx_bytes; + local_stats.tx_errors += sstats->tx_errors; + local_stats.tx_dropped += sstats->tx_dropped; - stats->multicast += sstats->multicast; - stats->collisions += sstats->collisions; + local_stats.multicast += sstats->multicast; + local_stats.collisions += sstats->collisions; - stats->rx_length_errors += sstats->rx_length_errors; - stats->rx_over_errors += sstats->rx_over_errors; - stats->rx_crc_errors += sstats->rx_crc_errors; - stats->rx_frame_errors += sstats->rx_frame_errors; - stats->rx_fifo_errors += sstats->rx_fifo_errors; - stats->rx_missed_errors += sstats->rx_missed_errors; + local_stats.rx_length_errors += sstats->rx_length_errors; + local_stats.rx_over_errors += sstats->rx_over_errors; + local_stats.rx_crc_errors += sstats->rx_crc_errors; + local_stats.rx_frame_errors += sstats->rx_frame_errors; + local_stats.rx_fifo_errors += sstats->rx_fifo_errors; + local_stats.rx_missed_errors += sstats->rx_missed_errors; - stats->tx_aborted_errors += sstats->tx_aborted_errors; - stats->tx_carrier_errors += sstats->tx_carrier_errors; - stats->tx_fifo_errors += sstats->tx_fifo_errors; - stats->tx_heartbeat_errors += sstats->tx_heartbeat_errors; - stats->tx_window_errors += sstats->tx_window_errors; + local_stats.tx_aborted_errors += sstats->tx_aborted_errors; + local_stats.tx_carrier_errors += sstats->tx_carrier_errors; + local_stats.tx_fifo_errors += sstats->tx_fifo_errors; + local_stats.tx_heartbeat_errors += sstats->tx_heartbeat_errors; + local_stats.tx_window_errors += sstats->tx_window_errors; } + memcpy(stats, &local_stats, sizeof(struct net_device_stats)); + read_unlock_bh(&bond->lock); return stats; @@ -3937,8 +3934,6 @@ static void bond_set_multicast_list(struct net_device *bond_dev) struct bonding *bond = bond_dev->priv; struct dev_mc_list *dmi; - write_lock_bh(&bond->lock); - /* * Do promisc before checking multicast_mode */ @@ -3959,6 +3954,8 @@ static void bond_set_multicast_list(struct net_device *bond_dev) bond_set_allmulti(bond, -1); } + read_lock(&bond->lock); + bond->flags = bond_dev->flags; /* looking for addresses to add to slaves' mc list */ @@ -3979,7 +3976,7 @@ static void bond_set_multicast_list(struct net_device *bond_dev) bond_mc_list_destroy(bond); bond_mc_list_copy(bond_dev->mc_list, bond, GFP_ATOMIC); - write_unlock_bh(&bond->lock); + read_unlock(&bond->lock); } /* @@ -4526,7 +4523,9 @@ static void bond_free_all(void) struct net_device *bond_dev = bond->dev; bond_work_cancel_all(bond); + netif_tx_lock_bh(bond_dev); bond_mc_list_destroy(bond); + netif_tx_unlock_bh(bond_dev); /* Release the bonded slaves */ bond_release_all(bond_dev); bond_deinit(bond_dev); @@ -4549,14 +4548,19 @@ static void bond_free_all(void) int bond_parse_parm(const char *buf, struct bond_parm_tbl *tbl) { int mode = -1, i, rv; - char modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, }; + char *p, modestr[BOND_MAX_MODENAME_LEN + 1] = { 0, }; - rv = sscanf(buf, "%d", &mode); - if (!rv) { + for (p = (char *)buf; *p; p++) + if (!(isdigit(*p) || isspace(*p))) + break; + + if (*p) rv = sscanf(buf, "%20s", modestr); - if (!rv) - return -1; - } + else + rv = sscanf(buf, "%d", &mode); + + if (!rv) + return -1; for (i = 0; tbl[i].modename; i++) { if (mode == tbl[i].mode) @@ -4883,14 +4887,16 @@ int bond_create(char *name, struct bond_params *params, struct bonding **newbond down_write(&bonding_rwsem); /* Check to see if the bond already exists. */ - list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) - if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) { - printk(KERN_ERR DRV_NAME + if (name) { + list_for_each_entry_safe(bond, nxt, &bond_dev_list, bond_list) + if (strnicmp(bond->dev->name, name, IFNAMSIZ) == 0) { + printk(KERN_ERR DRV_NAME ": cannot add bond %s; it already exists\n", - name); - res = -EPERM; - goto out_rtnl; - } + name); + res = -EPERM; + goto out_rtnl; + } + } bond_dev = alloc_netdev(sizeof(struct bonding), name ? name : "", ether_setup); diff --git a/drivers/net/bonding/bonding.h b/drivers/net/bonding/bonding.h index 6d83be49899a..67ccad69d445 100644 --- a/drivers/net/bonding/bonding.h +++ b/drivers/net/bonding/bonding.h @@ -22,8 +22,8 @@ #include "bond_3ad.h" #include "bond_alb.h" -#define DRV_VERSION "3.2.3" -#define DRV_RELDATE "December 6, 2007" +#define DRV_VERSION "3.2.4" +#define DRV_RELDATE "January 28, 2008" #define DRV_NAME "bonding" #define DRV_DESCRIPTION "Ethernet Channel Bonding Driver" diff --git a/drivers/net/cxgb3/mc5.c b/drivers/net/cxgb3/mc5.c index 84c1ffa8e2d3..4c4d6e877ea6 100644 --- a/drivers/net/cxgb3/mc5.c +++ b/drivers/net/cxgb3/mc5.c @@ -452,7 +452,7 @@ void t3_mc5_intr_handler(struct mc5 *mc5) t3_write_reg(adap, A_MC5_DB_INT_CAUSE, cause); } -void __devinit t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode) +void t3_mc5_prep(struct adapter *adapter, struct mc5 *mc5, int mode) { #define K * 1024 diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index cb684d30831f..9ca8c66abd16 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -2836,7 +2836,7 @@ void t3_sge_init(struct adapter *adap, struct sge_params *p) * defaults for the assorted SGE parameters, which admins can change until * they are used to initialize the SGE. */ -void __devinit t3_sge_prep(struct adapter *adap, struct sge_params *p) +void t3_sge_prep(struct adapter *adap, struct sge_params *p) { int i; diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c index 7469935877bd..a99496a431c4 100644 --- a/drivers/net/cxgb3/t3_hw.c +++ b/drivers/net/cxgb3/t3_hw.c @@ -2675,7 +2675,7 @@ void t3_tp_set_max_rxsize(struct adapter *adap, unsigned int size) V_PMMAXXFERLEN0(size) | V_PMMAXXFERLEN1(size)); } -static void __devinit init_mtus(unsigned short mtus[]) +static void init_mtus(unsigned short mtus[]) { /* * See draft-mathis-plpmtud-00.txt for the values. The min is 88 so @@ -2703,7 +2703,7 @@ static void __devinit init_mtus(unsigned short mtus[]) /* * Initial congestion control parameters. */ -static void __devinit init_cong_ctrl(unsigned short *a, unsigned short *b) +static void init_cong_ctrl(unsigned short *a, unsigned short *b) { a[0] = a[1] = a[2] = a[3] = a[4] = a[5] = a[6] = a[7] = a[8] = 1; a[9] = 2; @@ -3354,8 +3354,7 @@ out_err: * Determines a card's PCI mode and associated parameters, such as speed * and width. */ -static void __devinit get_pci_mode(struct adapter *adapter, - struct pci_params *p) +static void get_pci_mode(struct adapter *adapter, struct pci_params *p) { static unsigned short speed_map[] = { 33, 66, 100, 133 }; u32 pci_mode, pcie_cap; @@ -3395,8 +3394,7 @@ static void __devinit get_pci_mode(struct adapter *adapter, * capabilities and default speed/duplex/flow-control/autonegotiation * settings. */ -static void __devinit init_link_config(struct link_config *lc, - unsigned int caps) +static void init_link_config(struct link_config *lc, unsigned int caps) { lc->supported = caps; lc->requested_speed = lc->speed = SPEED_INVALID; @@ -3419,7 +3417,7 @@ static void __devinit init_link_config(struct link_config *lc, * Calculates the size of an MC7 memory in bytes from the value of its * configuration register. */ -static unsigned int __devinit mc7_calc_size(u32 cfg) +static unsigned int mc7_calc_size(u32 cfg) { unsigned int width = G_WIDTH(cfg); unsigned int banks = !!(cfg & F_BKS) + 1; @@ -3430,8 +3428,8 @@ static unsigned int __devinit mc7_calc_size(u32 cfg) return MBs << 20; } -static void __devinit mc7_prep(struct adapter *adapter, struct mc7 *mc7, - unsigned int base_addr, const char *name) +static void mc7_prep(struct adapter *adapter, struct mc7 *mc7, + unsigned int base_addr, const char *name) { u32 cfg; @@ -3517,7 +3515,7 @@ static int t3_reset_adapter(struct adapter *adapter) return 0; } -static int __devinit init_parity(struct adapter *adap) +static int init_parity(struct adapter *adap) { int i, err, addr; @@ -3552,8 +3550,8 @@ static int __devinit init_parity(struct adapter *adap) * for some adapter tunables, take PHYs out of reset, and initialize the MDIO * interface. */ -int __devinit t3_prep_adapter(struct adapter *adapter, - const struct adapter_info *ai, int reset) +int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai, + int reset) { int ret; unsigned int i, j = 0; diff --git a/drivers/net/e100.c b/drivers/net/e100.c index 51cf577035be..36ba6dc96acc 100644 --- a/drivers/net/e100.c +++ b/drivers/net/e100.c @@ -94,7 +94,7 @@ * enabled. 82557 pads with 7Eh, while the later controllers pad * with 00h. * - * IV. Recieve + * IV. Receive * * The Receive Frame Area (RFA) comprises a ring of Receive Frame * Descriptors (RFD) + data buffer, thus forming the simplified mode @@ -120,7 +120,7 @@ * and Rx indication and re-allocation happen in the same context, * therefore no locking is required. A software-generated interrupt * is generated from the watchdog to recover from a failed allocation - * senario where all Rx resources have been indicated and none re- + * scenario where all Rx resources have been indicated and none re- * placed. * * V. Miscellaneous @@ -954,7 +954,7 @@ static void e100_get_defaults(struct nic *nic) /* Quadwords to DMA into FIFO before starting frame transmit */ nic->tx_threshold = 0xE0; - /* no interrupt for every tx completion, delay = 256us if not 557*/ + /* no interrupt for every tx completion, delay = 256us if not 557 */ nic->tx_command = cpu_to_le16(cb_tx | cb_tx_sf | ((nic->mac >= mac_82558_D101_A4) ? cb_cid : cb_i)); @@ -1497,7 +1497,7 @@ static void e100_update_stats(struct nic *nic) &s->complete; /* Device's stats reporting may take several microseconds to - * complete, so where always waiting for results of the + * complete, so we're always waiting for results of the * previous command. */ if(*complete == cpu_to_le32(cuc_dump_reset_complete)) { @@ -1958,7 +1958,7 @@ static void e100_rx_clean(struct nic *nic, unsigned int *work_done, if(restart_required) { // ack the rnr? - writeb(stat_ack_rnr, &nic->csr->scb.stat_ack); + iowrite8(stat_ack_rnr, &nic->csr->scb.stat_ack); e100_start_receiver(nic, nic->rx_to_clean); if(work_done) (*work_done)++; @@ -2774,7 +2774,7 @@ static void __devexit e100_remove(struct pci_dev *pdev) struct nic *nic = netdev_priv(netdev); unregister_netdev(netdev); e100_free(nic); - iounmap(nic->csr); + pci_iounmap(pdev, nic->csr); free_netdev(netdev); pci_release_regions(pdev); pci_disable_device(pdev); @@ -2858,17 +2858,17 @@ static void e100_shutdown(struct pci_dev *pdev) /** * e100_io_error_detected - called when PCI error is detected. * @pdev: Pointer to PCI device - * @state: The current pci conneection state + * @state: The current pci connection state */ static pci_ers_result_t e100_io_error_detected(struct pci_dev *pdev, pci_channel_state_t state) { struct net_device *netdev = pci_get_drvdata(pdev); struct nic *nic = netdev_priv(netdev); - /* Similar to calling e100_down(), but avoids adpater I/O. */ + /* Similar to calling e100_down(), but avoids adapter I/O. */ netdev->stop(netdev); - /* Detach; put netif into state similar to hotplug unplug. */ + /* Detach; put netif into a state similar to hotplug unplug. */ napi_enable(&nic->napi); netif_device_detach(netdev); pci_disable_device(pdev); diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 8c87940a9ce8..7c5b05a82f0e 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -853,7 +853,7 @@ e1000_reset(struct e1000_adapter *adapter) /** * Dump the eeprom for users having checksum issues **/ -void e1000_dump_eeprom(struct e1000_adapter *adapter) +static void e1000_dump_eeprom(struct e1000_adapter *adapter) { struct net_device *netdev = adapter->netdev; struct ethtool_eeprom eeprom; diff --git a/drivers/net/e1000e/defines.h b/drivers/net/e1000e/defines.h index f2175ea46b83..6232c3e96689 100644 --- a/drivers/net/e1000e/defines.h +++ b/drivers/net/e1000e/defines.h @@ -63,6 +63,7 @@ #define E1000_WUFC_EX 0x00000004 /* Directed Exact Wakeup Enable */ #define E1000_WUFC_MC 0x00000008 /* Directed Multicast Wakeup Enable */ #define E1000_WUFC_BC 0x00000010 /* Broadcast Wakeup Enable */ +#define E1000_WUFC_ARP 0x00000020 /* ARP Request Packet Wakeup Enable */ /* Extended Device Control */ #define E1000_CTRL_EXT_SDP7_DATA 0x00000080 /* Value of SW Defineable Pin 7 */ diff --git a/drivers/net/e1000e/ethtool.c b/drivers/net/e1000e/ethtool.c index 6d9c27fd0b53..f77a7427d3a0 100644 --- a/drivers/net/e1000e/ethtool.c +++ b/drivers/net/e1000e/ethtool.c @@ -690,8 +690,8 @@ err_setup: return err; } -bool reg_pattern_test_array(struct e1000_adapter *adapter, u64 *data, - int reg, int offset, u32 mask, u32 write) +static bool reg_pattern_test_array(struct e1000_adapter *adapter, u64 *data, + int reg, int offset, u32 mask, u32 write) { int i; u32 read; @@ -1632,7 +1632,8 @@ static void e1000_get_wol(struct net_device *netdev, return; wol->supported = WAKE_UCAST | WAKE_MCAST | - WAKE_BCAST | WAKE_MAGIC; + WAKE_BCAST | WAKE_MAGIC | + WAKE_PHY | WAKE_ARP; /* apply any specific unsupported masks here */ if (adapter->flags & FLAG_NO_WAKE_UCAST) { @@ -1651,6 +1652,10 @@ static void e1000_get_wol(struct net_device *netdev, wol->wolopts |= WAKE_BCAST; if (adapter->wol & E1000_WUFC_MAG) wol->wolopts |= WAKE_MAGIC; + if (adapter->wol & E1000_WUFC_LNKC) + wol->wolopts |= WAKE_PHY; + if (adapter->wol & E1000_WUFC_ARP) + wol->wolopts |= WAKE_ARP; } static int e1000_set_wol(struct net_device *netdev, @@ -1658,7 +1663,7 @@ static int e1000_set_wol(struct net_device *netdev, { struct e1000_adapter *adapter = netdev_priv(netdev); - if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE)) + if (wol->wolopts & WAKE_MAGICSECURE) return -EOPNOTSUPP; if (!(adapter->flags & FLAG_HAS_WOL)) @@ -1675,6 +1680,10 @@ static int e1000_set_wol(struct net_device *netdev, adapter->wol |= E1000_WUFC_BC; if (wol->wolopts & WAKE_MAGIC) adapter->wol |= E1000_WUFC_MAG; + if (wol->wolopts & WAKE_PHY) + adapter->wol |= E1000_WUFC_LNKC; + if (wol->wolopts & WAKE_ARP) + adapter->wol |= E1000_WUFC_ARP; return 0; } diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 0a2cb7960c9e..f58f017ee47a 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -945,11 +945,7 @@ static int e1000_request_irq(struct e1000_adapter *adapter) int irq_flags = IRQF_SHARED; int err; - err = pci_enable_msi(adapter->pdev); - if (err) { - ndev_warn(netdev, - "Unable to allocate MSI interrupt Error: %d\n", err); - } else { + if (!pci_enable_msi(adapter->pdev)) { adapter->flags |= FLAG_MSI_ENABLED; handler = e1000_intr_msi; irq_flags = 0; @@ -958,10 +954,12 @@ static int e1000_request_irq(struct e1000_adapter *adapter) err = request_irq(adapter->pdev->irq, handler, irq_flags, netdev->name, netdev); if (err) { + ndev_err(netdev, + "Unable to allocate %s interrupt (return: %d)\n", + adapter->flags & FLAG_MSI_ENABLED ? "MSI":"INTx", + err); if (adapter->flags & FLAG_MSI_ENABLED) pci_disable_msi(adapter->pdev); - ndev_err(netdev, - "Unable to allocate interrupt Error: %d\n", err); } return err; diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h index 5f82a4647eee..88fb53eba715 100644 --- a/drivers/net/ehea/ehea.h +++ b/drivers/net/ehea/ehea.h @@ -458,4 +458,7 @@ void ehea_set_ethtool_ops(struct net_device *netdev); int ehea_sense_port_attr(struct ehea_port *port); int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); +extern u64 ehea_driver_flags; +extern struct work_struct ehea_rereg_mr_task; + #endif /* __EHEA_H__ */ diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c index 679f40ee9572..d76885223366 100644 --- a/drivers/net/ehea/ehea_ethtool.c +++ b/drivers/net/ehea/ehea_ethtool.c @@ -40,7 +40,7 @@ static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) return ret; if (netif_carrier_ok(dev)) { - switch(port->port_speed) { + switch (port->port_speed) { case EHEA_SPEED_10M: cmd->speed = SPEED_10; break; case EHEA_SPEED_100M: cmd->speed = SPEED_100; break; case EHEA_SPEED_1G: cmd->speed = SPEED_1000; break; @@ -78,7 +78,7 @@ static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) goto doit; } - switch(cmd->speed) { + switch (cmd->speed) { case SPEED_10: if (cmd->duplex == DUPLEX_FULL) sp = H_SPEED_10M_F; diff --git a/drivers/net/ehea/ehea_hw.h b/drivers/net/ehea/ehea_hw.h index 1af7ca499ec5..567981b4b2cc 100644 --- a/drivers/net/ehea/ehea_hw.h +++ b/drivers/net/ehea/ehea_hw.h @@ -29,10 +29,10 @@ #ifndef __EHEA_HW_H__ #define __EHEA_HW_H__ -#define QPX_SQA_VALUE EHEA_BMASK_IBM(48,63) -#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48,63) -#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48,63) -#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48,63) +#define QPX_SQA_VALUE EHEA_BMASK_IBM(48, 63) +#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48, 63) +#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48, 63) +#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48, 63) #define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x) diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c index 869e1604b16e..c051c7e09b9a 100644 --- a/drivers/net/ehea/ehea_main.c +++ b/drivers/net/ehea/ehea_main.c @@ -6,9 +6,9 @@ * (C) Copyright IBM Corp. 2006 * * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> * * * This program is free software; you can redistribute it and/or modify @@ -54,11 +54,11 @@ static int rq1_entries = EHEA_DEF_ENTRIES_RQ1; static int rq2_entries = EHEA_DEF_ENTRIES_RQ2; static int rq3_entries = EHEA_DEF_ENTRIES_RQ3; static int sq_entries = EHEA_DEF_ENTRIES_SQ; -static int use_mcs = 0; -static int use_lro = 0; +static int use_mcs; +static int use_lro; static int lro_max_aggr = EHEA_LRO_MAX_AGGR; static int num_tx_qps = EHEA_NUM_TX_QP; -static int prop_carrier_state = 0; +static int prop_carrier_state; module_param(msg_level, int, 0); module_param(rq1_entries, int, 0); @@ -94,9 +94,9 @@ MODULE_PARM_DESC(lro_max_aggr, " LRO: Max packets to be aggregated. Default = " MODULE_PARM_DESC(use_lro, " Large Receive Offload, 1: enable, 0: disable, " "Default = 0"); -static int port_name_cnt = 0; +static int port_name_cnt; static LIST_HEAD(adapter_list); -u64 ehea_driver_flags = 0; +u64 ehea_driver_flags; struct work_struct ehea_rereg_mr_task; struct semaphore dlpar_mem_lock; @@ -121,12 +121,13 @@ static struct of_platform_driver ehea_driver = { .remove = ehea_remove, }; -void ehea_dump(void *adr, int len, char *msg) { +void ehea_dump(void *adr, int len, char *msg) +{ int x; unsigned char *deb = adr; for (x = 0; x < len; x += 16) { printk(DRV_NAME " %s adr=%p ofs=%04x %016lx %016lx\n", msg, - deb, x, *((u64*)&deb[0]), *((u64*)&deb[8])); + deb, x, *((u64 *)&deb[0]), *((u64 *)&deb[8])); deb += 16; } } @@ -518,7 +519,8 @@ static int ehea_proc_rwqes(struct net_device *dev, last_wqe_index = wqe_index; rmb(); if (!ehea_check_cqe(cqe, &rq)) { - if (rq == 1) { /* LL RQ1 */ + if (rq == 1) { + /* LL RQ1 */ skb = get_skb_by_index_ll(skb_arr_rq1, skb_arr_rq1_len, wqe_index); @@ -531,10 +533,11 @@ static int ehea_proc_rwqes(struct net_device *dev, if (!skb) break; } - skb_copy_to_linear_data(skb, ((char*)cqe) + 64, + skb_copy_to_linear_data(skb, ((char *)cqe) + 64, cqe->num_bytes_transfered - 4); ehea_fill_skb(dev, skb, cqe); - } else if (rq == 2) { /* RQ2 */ + } else if (rq == 2) { + /* RQ2 */ skb = get_skb_by_index(skb_arr_rq2, skb_arr_rq2_len, cqe); if (unlikely(!skb)) { @@ -544,7 +547,8 @@ static int ehea_proc_rwqes(struct net_device *dev, } ehea_fill_skb(dev, skb, cqe); processed_rq2++; - } else { /* RQ3 */ + } else { + /* RQ3 */ skb = get_skb_by_index(skb_arr_rq3, skb_arr_rq3_len, cqe); if (unlikely(!skb)) { @@ -592,7 +596,7 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) unsigned long flags; cqe = ehea_poll_cq(send_cq); - while(cqe && (quota > 0)) { + while (cqe && (quota > 0)) { ehea_inc_cq(send_cq); cqe_counter++; @@ -643,7 +647,8 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) static int ehea_poll(struct napi_struct *napi, int budget) { - struct ehea_port_res *pr = container_of(napi, struct ehea_port_res, napi); + struct ehea_port_res *pr = container_of(napi, struct ehea_port_res, + napi); struct net_device *dev = pr->port->netdev; struct ehea_cqe *cqe; struct ehea_cqe *cqe_skb = NULL; @@ -743,8 +748,9 @@ int ehea_sense_port_attr(struct ehea_port *port) u64 hret; struct hcp_ehea_port_cb0 *cb0; - cb0 = kzalloc(PAGE_SIZE, GFP_ATOMIC); /* May be called via */ - if (!cb0) { /* ehea_neq_tasklet() */ + /* may be called via ehea_neq_tasklet() */ + cb0 = kzalloc(PAGE_SIZE, GFP_ATOMIC); + if (!cb0) { ehea_error("no mem for cb0"); ret = -ENOMEM; goto out; @@ -762,7 +768,7 @@ int ehea_sense_port_attr(struct ehea_port *port) /* MAC address */ port->mac_addr = cb0->port_mac_addr << 16; - if (!is_valid_ether_addr((u8*)&port->mac_addr)) { + if (!is_valid_ether_addr((u8 *)&port->mac_addr)) { ret = -EADDRNOTAVAIL; goto out_free; } @@ -994,7 +1000,7 @@ static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe) static void ehea_neq_tasklet(unsigned long data) { - struct ehea_adapter *adapter = (struct ehea_adapter*)data; + struct ehea_adapter *adapter = (struct ehea_adapter *)data; struct ehea_eqe *eqe; u64 event_mask; @@ -1204,7 +1210,7 @@ int ehea_rem_smrs(struct ehea_port_res *pr) static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries) { - int arr_size = sizeof(void*) * max_q_entries; + int arr_size = sizeof(void *) * max_q_entries; q_skba->arr = vmalloc(arr_size); if (!q_skba->arr) @@ -1489,7 +1495,7 @@ static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, nfrags = skb_shinfo(skb)->nr_frags; sg1entry = &swqe->u.immdata_desc.sg_entry; - sg_list = (struct ehea_vsgentry*)&swqe->u.immdata_desc.sg_list; + sg_list = (struct ehea_vsgentry *)&swqe->u.immdata_desc.sg_list; swqe->descriptors = 0; sg1entry_contains_frag_data = 0; @@ -1542,7 +1548,7 @@ static int ehea_broadcast_reg_helper(struct ehea_port *port, u32 hcallid) reg_type, port->mac_addr, 0, hcallid); if (hret != H_SUCCESS) { ehea_error("%sregistering bc address failed (tagged)", - hcallid == H_REG_BCMC ? "" : "de"); + hcallid == H_REG_BCMC ? "" : "de"); ret = -EIO; goto out_herr; } @@ -1732,7 +1738,7 @@ static void ehea_allmulti(struct net_device *dev, int enable) } } -static void ehea_add_multicast_entry(struct ehea_port* port, u8* mc_mac_addr) +static void ehea_add_multicast_entry(struct ehea_port *port, u8 *mc_mac_addr) { struct ehea_mc_list *ehea_mcl_entry; u64 hret; @@ -1791,11 +1797,10 @@ static void ehea_set_multicast_list(struct net_device *dev) goto out; } - for (i = 0, k_mcl_entry = dev->mc_list; - i < dev->mc_count; - i++, k_mcl_entry = k_mcl_entry->next) { + for (i = 0, k_mcl_entry = dev->mc_list; i < dev->mc_count; i++, + k_mcl_entry = k_mcl_entry->next) ehea_add_multicast_entry(port, k_mcl_entry->dmi_addr); - } + } out: return; @@ -1925,12 +1930,12 @@ static inline int ehea_hash_skb(struct sk_buff *skb, int num_qps) if ((skb->protocol == htons(ETH_P_IP)) && (ip_hdr(skb)->protocol == IPPROTO_TCP)) { - tcp = (struct tcphdr*)(skb_network_header(skb) + (ip_hdr(skb)->ihl * 4)); + tcp = (struct tcphdr *)(skb_network_header(skb) + + (ip_hdr(skb)->ihl * 4)); tmp = (tcp->source + (tcp->dest << 16)) % 31; tmp += ip_hdr(skb)->daddr % 31; return tmp % num_qps; - } - else + } else return 0; } @@ -2122,7 +2127,7 @@ int ehea_activate_qp(struct ehea_adapter *adapter, struct ehea_qp *qp) u64 hret; u16 dummy16 = 0; u64 dummy64 = 0; - struct hcp_modify_qp_cb0* cb0; + struct hcp_modify_qp_cb0 *cb0; cb0 = kzalloc(PAGE_SIZE, GFP_KERNEL); if (!cb0) { @@ -2248,7 +2253,7 @@ static int ehea_clean_all_portres(struct ehea_port *port) int ret = 0; int i; - for(i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) + for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) ret |= ehea_clean_portres(port, &port->port_res[i]); ret |= ehea_destroy_eq(port->qp_eq); @@ -2300,7 +2305,7 @@ static int ehea_up(struct net_device *dev) goto out_clean_pr; } - for(i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) { + for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) { ret = ehea_activate_qp(port->adapter, port->port_res[i].qp); if (ret) { ehea_error("activate_qp failed"); @@ -2308,7 +2313,7 @@ static int ehea_up(struct net_device *dev) } } - for(i = 0; i < port->num_def_qps; i++) { + for (i = 0; i < port->num_def_qps; i++) { ret = ehea_fill_port_res(&port->port_res[i]); if (ret) { ehea_error("out_free_irqs"); @@ -2425,7 +2430,7 @@ int ehea_stop_qps(struct net_device *dev) { struct ehea_port *port = netdev_priv(dev); struct ehea_adapter *adapter = port->adapter; - struct hcp_modify_qp_cb0* cb0; + struct hcp_modify_qp_cb0 *cb0; int ret = -EIO; int dret; int i; @@ -2490,7 +2495,7 @@ out: return ret; } -void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res * pr) +void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res *pr) { struct ehea_qp qp = *orig_qp; struct ehea_qp_init_attr *init_attr = &qp.init_attr; @@ -2530,7 +2535,7 @@ int ehea_restart_qps(struct net_device *dev) int ret = 0; int i; - struct hcp_modify_qp_cb0* cb0; + struct hcp_modify_qp_cb0 *cb0; u64 hret; u64 dummy64 = 0; u16 dummy16 = 0; @@ -2804,34 +2809,6 @@ static void __devinit logical_port_release(struct device *dev) of_node_put(port->ofdev.node); } -static int ehea_driver_sysfs_add(struct device *dev, - struct device_driver *driver) -{ - int ret; - - ret = sysfs_create_link(&driver->kobj, &dev->kobj, - kobject_name(&dev->kobj)); - if (ret == 0) { - ret = sysfs_create_link(&dev->kobj, &driver->kobj, - "driver"); - if (ret) - sysfs_remove_link(&driver->kobj, - kobject_name(&dev->kobj)); - } - return ret; -} - -static void ehea_driver_sysfs_remove(struct device *dev, - struct device_driver *driver) -{ - struct device_driver *drv = driver; - - if (drv) { - sysfs_remove_link(&drv->kobj, kobject_name(&dev->kobj)); - sysfs_remove_link(&dev->kobj, "driver"); - } -} - static struct device *ehea_register_port(struct ehea_port *port, struct device_node *dn) { @@ -2856,16 +2833,8 @@ static struct device *ehea_register_port(struct ehea_port *port, goto out_unreg_of_dev; } - ret = ehea_driver_sysfs_add(&port->ofdev.dev, &ehea_driver.driver); - if (ret) { - ehea_error("failed to register sysfs driver link"); - goto out_rem_dev_file; - } - return &port->ofdev.dev; -out_rem_dev_file: - device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id); out_unreg_of_dev: of_device_unregister(&port->ofdev); out: @@ -2874,7 +2843,6 @@ out: static void ehea_unregister_port(struct ehea_port *port) { - ehea_driver_sysfs_remove(&port->ofdev.dev, &ehea_driver.driver); device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id); of_device_unregister(&port->ofdev); } @@ -3109,7 +3077,7 @@ static ssize_t ehea_probe_port(struct device *dev, of_node_put(eth_dn); if (port) { - for (i=0; i < EHEA_MAX_PORTS; i++) + for (i = 0; i < EHEA_MAX_PORTS; i++) if (!adapter->port[i]) { adapter->port[i] = port; break; @@ -3144,7 +3112,7 @@ static ssize_t ehea_remove_port(struct device *dev, ehea_shutdown_single_port(port); - for (i=0; i < EHEA_MAX_PORTS; i++) + for (i = 0; i < EHEA_MAX_PORTS; i++) if (adapter->port[i] == port) { adapter->port[i] = NULL; break; @@ -3313,7 +3281,7 @@ static int ehea_reboot_notifier(struct notifier_block *nb, } static struct notifier_block ehea_reboot_nb = { - .notifier_call = ehea_reboot_notifier, + .notifier_call = ehea_reboot_notifier, }; static int check_module_parm(void) diff --git a/drivers/net/ehea/ehea_phyp.c b/drivers/net/ehea/ehea_phyp.c index 95c4a7f9cc88..156eb6320b4e 100644 --- a/drivers/net/ehea/ehea_phyp.c +++ b/drivers/net/ehea/ehea_phyp.c @@ -6,9 +6,9 @@ * (C) Copyright IBM Corp. 2006 * * Authors: - * Christoph Raisch <raisch@de.ibm.com> - * Jan-Bernd Themann <themann@de.ibm.com> - * Thomas Klein <tklein@de.ibm.com> + * Christoph Raisch <raisch@de.ibm.com> + * Jan-Bernd Themann <themann@de.ibm.com> + * Thomas Klein <tklein@de.ibm.com> * * * This program is free software; you can redistribute it and/or modify @@ -38,11 +38,11 @@ static inline u16 get_order_of_qentries(u16 queue_entries) } /* Defines for H_CALL H_ALLOC_RESOURCE */ -#define H_ALL_RES_TYPE_QP 1 -#define H_ALL_RES_TYPE_CQ 2 -#define H_ALL_RES_TYPE_EQ 3 -#define H_ALL_RES_TYPE_MR 5 -#define H_ALL_RES_TYPE_MW 6 +#define H_ALL_RES_TYPE_QP 1 +#define H_ALL_RES_TYPE_CQ 2 +#define H_ALL_RES_TYPE_EQ 3 +#define H_ALL_RES_TYPE_MR 5 +#define H_ALL_RES_TYPE_MW 6 static long ehea_plpar_hcall_norets(unsigned long opcode, unsigned long arg1, @@ -137,77 +137,77 @@ u64 ehea_h_query_ehea_qp(const u64 adapter_handle, const u8 qp_category, const u64 qp_handle, const u64 sel_mask, void *cb_addr) { return ehea_plpar_hcall_norets(H_QUERY_HEA_QP, - adapter_handle, /* R4 */ - qp_category, /* R5 */ - qp_handle, /* R6 */ - sel_mask, /* R7 */ + adapter_handle, /* R4 */ + qp_category, /* R5 */ + qp_handle, /* R6 */ + sel_mask, /* R7 */ virt_to_abs(cb_addr), /* R8 */ 0, 0); } /* input param R5 */ -#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11) -#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12) -#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15) -#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16) -#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17) -#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19) -#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21) -#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23) -#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55) -#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63) +#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11) +#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12) +#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15) +#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16) +#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17) +#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19) +#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21) +#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23) +#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55) +#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63) /* input param R9 */ -#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32,63) +#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32, 63) /* input param R10 */ -#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7) -#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15) -#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23) -#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31) +#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7) +#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15) +#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23) +#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31) /* Max Send Scatter Gather Elements */ -#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39) -#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47) +#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39) +#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47) /* Max Receive SG Elements RQ1 */ -#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55) -#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63) +#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55) +#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63) /* input param R11 */ -#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7) +#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7) /* max swqe immediate data length */ -#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63) +#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63) /* input param R12 */ -#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15) +#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15) /* Threshold RQ2 */ -#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31) +#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31) /* Threshold RQ3 */ /* output param R6 */ -#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15) -#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31) -#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47) -#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63) +#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15) +#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31) +#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47) +#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63) /* output param, R7 */ -#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7) -#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15) -#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23) -#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31) +#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7) +#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15) +#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23) +#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31) #define H_ALL_RES_QP_ACT_SWQE_IDL EHEA_BMASK_IBM(32, 39) /* output param R8,R9 */ -#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63) -#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63) /* output param R11,R12 */ -#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63) -#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31) -#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31) +#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63) u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, struct ehea_qp_init_attr *init_attr, const u32 pd, @@ -334,28 +334,28 @@ u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, } /* Defines for H_CALL H_ALLOC_RESOURCE */ -#define H_ALL_RES_TYPE_QP 1 -#define H_ALL_RES_TYPE_CQ 2 -#define H_ALL_RES_TYPE_EQ 3 -#define H_ALL_RES_TYPE_MR 5 -#define H_ALL_RES_TYPE_MW 6 +#define H_ALL_RES_TYPE_QP 1 +#define H_ALL_RES_TYPE_CQ 2 +#define H_ALL_RES_TYPE_EQ 3 +#define H_ALL_RES_TYPE_MR 5 +#define H_ALL_RES_TYPE_MW 6 /* input param R5 */ -#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0) +#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0) #define H_ALL_RES_EQ_NON_NEQ_ISN EHEA_BMASK_IBM(6, 7) #define H_ALL_RES_EQ_INH_EQE_GEN EHEA_BMASK_IBM(16, 16) -#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63) +#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63) /* input param R6 */ -#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63) /* output param R6 */ -#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63) /* output param R7 */ -#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63) /* output param R8 */ -#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63) +#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63) /* output param R9 */ #define H_ALL_RES_EQ_ACT_EQ_IST_C EHEA_BMASK_IBM(30, 31) @@ -453,12 +453,12 @@ u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, hret = ehea_plpar_hcall9(H_REGISTER_SMR, outs, - adapter_handle , /* R4 */ - orig_mr_handle, /* R5 */ - vaddr_in, /* R6 */ - (((u64)access_ctrl) << 32ULL), /* R7 */ - pd, /* R8 */ - 0, 0, 0, 0); /* R9-R12 */ + adapter_handle , /* R4 */ + orig_mr_handle, /* R5 */ + vaddr_in, /* R6 */ + (((u64)access_ctrl) << 32ULL), /* R7 */ + pd, /* R8 */ + 0, 0, 0, 0); /* R9-R12 */ mr->handle = outs[0]; mr->lkey = (u32)outs[2]; @@ -471,11 +471,11 @@ u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle) u64 outs[PLPAR_HCALL9_BUFSIZE]; return ehea_plpar_hcall9(H_DISABLE_AND_GET_HEA, - outs, + outs, adapter_handle, /* R4 */ H_DISABLE_GET_EHEA_WQE_P, /* R5 */ qp_handle, /* R6 */ - 0, 0, 0, 0, 0, 0); /* R7-R12 */ + 0, 0, 0, 0, 0, 0); /* R7-R12 */ } u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, @@ -483,9 +483,9 @@ u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, { return ehea_plpar_hcall_norets(H_FREE_RESOURCE, adapter_handle, /* R4 */ - res_handle, /* R5 */ + res_handle, /* R5 */ force_bit, - 0, 0, 0, 0); /* R7-R10 */ + 0, 0, 0, 0); /* R7-R10 */ } u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, @@ -493,13 +493,13 @@ u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, const u32 pd, u64 *mr_handle, u32 *lkey) { u64 hret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + u64 outs[PLPAR_HCALL9_BUFSIZE]; hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, outs, adapter_handle, /* R4 */ 5, /* R5 */ - vaddr, /* R6 */ + vaddr, /* R6 */ length, /* R7 */ (((u64) access_ctrl) << 32ULL), /* R8 */ pd, /* R9 */ @@ -619,8 +619,8 @@ u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle, void *rblock) { return ehea_plpar_hcall_norets(H_ERROR_DATA, - adapter_handle, /* R4 */ - ressource_handle, /* R5 */ - virt_to_abs(rblock), /* R6 */ - 0, 0, 0, 0); /* R7-R12 */ + adapter_handle, /* R4 */ + ressource_handle, /* R5 */ + virt_to_abs(rblock), /* R6 */ + 0, 0, 0, 0); /* R7-R12 */ } diff --git a/drivers/net/ehea/ehea_phyp.h b/drivers/net/ehea/ehea_phyp.h index faa191d23b86..f3628c803567 100644 --- a/drivers/net/ehea/ehea_phyp.h +++ b/drivers/net/ehea/ehea_phyp.h @@ -93,7 +93,7 @@ static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel, static inline void hcp_epas_dtor(struct h_epas *epas) { if (epas->kernel.addr) - iounmap((void __iomem*)((u64)epas->kernel.addr & PAGE_MASK)); + iounmap((void __iomem *)((u64)epas->kernel.addr & PAGE_MASK)); epas->user.addr = 0; epas->kernel.addr = 0; @@ -388,23 +388,23 @@ u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, const u64 qp_handle, const u64 sel_mask, void *cb_addr, - u64 * inv_attr_id, - u64 * proc_mask, u16 * out_swr, u16 * out_rwr); + u64 *inv_attr_id, + u64 *proc_mask, u16 *out_swr, u16 *out_rwr); u64 ehea_h_alloc_resource_eq(const u64 adapter_handle, - struct ehea_eq_attr *eq_attr, u64 * eq_handle); + struct ehea_eq_attr *eq_attr, u64 *eq_handle); u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, struct ehea_cq_attr *cq_attr, - u64 * cq_handle, struct h_epas *epas); + u64 *cq_handle, struct h_epas *epas); u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, struct ehea_qp_init_attr *init_attr, const u32 pd, - u64 * qp_handle, struct h_epas *h_epas); + u64 *qp_handle, struct h_epas *h_epas); -#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48,55) -#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62,63) +#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48, 55) +#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62, 63) u64 ehea_h_register_rpage(const u64 adapter_handle, const u8 pagesize, @@ -426,7 +426,7 @@ u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, const u64 length, const u32 access_ctrl, - const u32 pd, u64 * mr_handle, u32 * lkey); + const u32 pd, u64 *mr_handle, u32 *lkey); u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle, const u8 pagesize, const u8 queue_type, @@ -439,8 +439,8 @@ u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr); /* output param R5 */ -#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40,47) -#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48,63) +#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40, 47) +#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48, 63) u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num, const u8 cb_cat, const u64 select_mask, diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index 83b76432b41a..d522e905f460 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -33,8 +33,6 @@ struct ehea_busmap ehea_bmap = { 0, 0, NULL }; -extern u64 ehea_driver_flags; -extern struct work_struct ehea_rereg_mr_task; static void *hw_qpageit_get_inc(struct hw_queue *queue) @@ -65,7 +63,7 @@ static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages, } queue->queue_length = nr_of_pages * pagesize; - queue->queue_pages = kmalloc(nr_of_pages * sizeof(void*), GFP_KERNEL); + queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL); if (!queue->queue_pages) { ehea_error("no mem for queue_pages"); return -ENOMEM; @@ -78,11 +76,11 @@ static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages, */ i = 0; while (i < nr_of_pages) { - u8 *kpage = (u8*)get_zeroed_page(GFP_KERNEL); + u8 *kpage = (u8 *)get_zeroed_page(GFP_KERNEL); if (!kpage) goto out_nomem; for (k = 0; k < pages_per_kpage && i < nr_of_pages; k++) { - (queue->queue_pages)[i] = (struct ehea_page*)kpage; + (queue->queue_pages)[i] = (struct ehea_page *)kpage; kpage += pagesize; i++; } @@ -235,8 +233,8 @@ int ehea_destroy_cq(struct ehea_cq *cq) return 0; hcp_epas_dtor(&cq->epas); - - if ((hret = ehea_destroy_cq_res(cq, NORMAL_FREE)) == H_R_STATE) { + hret = ehea_destroy_cq_res(cq, NORMAL_FREE); + if (hret == H_R_STATE) { ehea_error_data(cq->adapter, cq->fw_handle); hret = ehea_destroy_cq_res(cq, FORCE_FREE); } @@ -301,13 +299,13 @@ struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter, if (i == (eq->attr.nr_pages - 1)) { /* last page */ vpage = hw_qpageit_get_inc(&eq->hw_queue); - if ((hret != H_SUCCESS) || (vpage)) { + if ((hret != H_SUCCESS) || (vpage)) goto out_kill_hwq; - } + } else { - if ((hret != H_PAGE_REGISTERED) || (!vpage)) { + if ((hret != H_PAGE_REGISTERED) || (!vpage)) goto out_kill_hwq; - } + } } @@ -331,7 +329,7 @@ struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq) unsigned long flags; spin_lock_irqsave(&eq->spinlock, flags); - eqe = (struct ehea_eqe*)hw_eqit_eq_get_inc_valid(&eq->hw_queue); + eqe = (struct ehea_eqe *)hw_eqit_eq_get_inc_valid(&eq->hw_queue); spin_unlock_irqrestore(&eq->spinlock, flags); return eqe; @@ -364,7 +362,8 @@ int ehea_destroy_eq(struct ehea_eq *eq) hcp_epas_dtor(&eq->epas); - if ((hret = ehea_destroy_eq_res(eq, NORMAL_FREE)) == H_R_STATE) { + hret = ehea_destroy_eq_res(eq, NORMAL_FREE); + if (hret == H_R_STATE) { ehea_error_data(eq->adapter, eq->fw_handle); hret = ehea_destroy_eq_res(eq, FORCE_FREE); } @@ -546,7 +545,8 @@ int ehea_destroy_qp(struct ehea_qp *qp) hcp_epas_dtor(&qp->epas); - if ((hret = ehea_destroy_qp_res(qp, NORMAL_FREE)) == H_R_STATE) { + hret = ehea_destroy_qp_res(qp, NORMAL_FREE); + if (hret == H_R_STATE) { ehea_error_data(qp->adapter, qp->fw_handle); hret = ehea_destroy_qp_res(qp, FORCE_FREE); } @@ -559,7 +559,7 @@ int ehea_destroy_qp(struct ehea_qp *qp) return 0; } -int ehea_create_busmap( void ) +int ehea_create_busmap(void) { u64 vaddr = EHEA_BUSMAP_START; unsigned long high_section_index = 0; @@ -595,7 +595,7 @@ int ehea_create_busmap( void ) return 0; } -void ehea_destroy_busmap( void ) +void ehea_destroy_busmap(void) { vfree(ehea_bmap.vaddr); } diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h index bc62d389c166..0bb6f92fa2f8 100644 --- a/drivers/net/ehea/ehea_qmr.h +++ b/drivers/net/ehea/ehea_qmr.h @@ -41,8 +41,8 @@ #define EHEA_SECTSIZE (1UL << 24) #define EHEA_PAGES_PER_SECTION (EHEA_SECTSIZE >> EHEA_PAGESHIFT) -#if (1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE -#error eHEA module can't work if kernel sectionsize < ehea sectionsize +#if ((1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE) +#error eHEA module cannot work if kernel sectionsize < ehea sectionsize #endif /* Some abbreviations used here: @@ -188,8 +188,8 @@ struct ehea_eqe { u64 entry; }; -#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52,63) -#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0,7) +#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52, 63) +#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0, 7) static inline void *hw_qeit_calc(struct hw_queue *queue, u64 q_offset) { @@ -279,7 +279,7 @@ static inline void *hw_qeit_eq_get_inc(struct hw_queue *queue) static inline void *hw_eqit_eq_get_inc_valid(struct hw_queue *queue) { void *retvalue = hw_qeit_get(queue); - u32 qe = *(u8*)retvalue; + u32 qe = *(u8 *)retvalue; if ((qe >> 7) == (queue->toggle_state & 1)) hw_qeit_eq_get_inc(queue); else @@ -364,7 +364,7 @@ struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, int cqe, int ehea_destroy_cq(struct ehea_cq *cq); -struct ehea_qp *ehea_create_qp(struct ehea_adapter * adapter, u32 pd, +struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, u32 pd, struct ehea_qp_init_attr *init_attr); int ehea_destroy_qp(struct ehea_qp *qp); @@ -378,8 +378,8 @@ int ehea_rem_mr(struct ehea_mr *mr); void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle); -int ehea_create_busmap( void ); -void ehea_destroy_busmap( void ); +int ehea_create_busmap(void); +void ehea_destroy_busmap(void); u64 ehea_map_vaddr(void *caddr); #endif /* __EHEA_QMR_H__ */ diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c index 7667a62ac31f..36342230a6de 100644 --- a/drivers/net/forcedeth.c +++ b/drivers/net/forcedeth.c @@ -13,7 +13,7 @@ * Copyright (C) 2004 Andrew de Quincey (wol support) * Copyright (C) 2004 Carl-Daniel Hailfinger (invalid MAC handling, insane * IRQ rate fixes, bigendian fixes, cleanups, verification) - * Copyright (c) 2004,5,6 NVIDIA Corporation + * Copyright (c) 2004,2005,2006,2007,2008 NVIDIA Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -226,7 +226,7 @@ enum { #define NVREG_MISC1_HD 0x02 #define NVREG_MISC1_FORCE 0x3b0f3c - NvRegMacReset = 0x3c, + NvRegMacReset = 0x34, #define NVREG_MAC_RESET_ASSERT 0x0F3 NvRegTransmitterControl = 0x084, #define NVREG_XMITCTL_START 0x01 @@ -277,7 +277,9 @@ enum { #define NVREG_MCASTADDRA_FORCE 0x01 NvRegMulticastAddrB = 0xB4, NvRegMulticastMaskA = 0xB8, +#define NVREG_MCASTMASKA_NONE 0xffffffff NvRegMulticastMaskB = 0xBC, +#define NVREG_MCASTMASKB_NONE 0xffff NvRegPhyInterface = 0xC0, #define PHY_RGMII 0x10000000 @@ -316,8 +318,8 @@ enum { NvRegTxRingPhysAddrHigh = 0x148, NvRegRxRingPhysAddrHigh = 0x14C, NvRegTxPauseFrame = 0x170, -#define NVREG_TX_PAUSEFRAME_DISABLE 0x1ff0080 -#define NVREG_TX_PAUSEFRAME_ENABLE 0x0c00030 +#define NVREG_TX_PAUSEFRAME_DISABLE 0x01ff0080 +#define NVREG_TX_PAUSEFRAME_ENABLE 0x01800010 NvRegMIIStatus = 0x180, #define NVREG_MIISTAT_ERROR 0x0001 #define NVREG_MIISTAT_LINKCHANGE 0x0008 @@ -471,9 +473,9 @@ union ring_type { #define NV_RX_AVAIL (1<<31) #define NV_RX2_CHECKSUMMASK (0x1C000000) -#define NV_RX2_CHECKSUMOK1 (0x10000000) -#define NV_RX2_CHECKSUMOK2 (0x14000000) -#define NV_RX2_CHECKSUMOK3 (0x18000000) +#define NV_RX2_CHECKSUM_IP (0x10000000) +#define NV_RX2_CHECKSUM_IP_TCP (0x14000000) +#define NV_RX2_CHECKSUM_IP_UDP (0x18000000) #define NV_RX2_DESCRIPTORVALID (1<<29) #define NV_RX2_SUBSTRACT1 (1<<25) #define NV_RX2_ERROR1 (1<<18) @@ -2375,14 +2377,9 @@ static int nv_rx_process(struct net_device *dev, int limit) goto next_pkt; } } - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ { + if (((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_TCP) || /*ip and tcp */ + ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_UDP)) /*ip and udp */ skb->ip_summed = CHECKSUM_UNNECESSARY; - } else { - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 || - (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } - } } else { dev_kfree_skb(skb); goto next_pkt; @@ -2474,14 +2471,9 @@ static int nv_rx_process_optimized(struct net_device *dev, int limit) } } - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK2)/*ip and tcp */ { + if (((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_TCP) || /*ip and tcp */ + ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUM_IP_UDP)) /*ip and udp */ skb->ip_summed = CHECKSUM_UNNECESSARY; - } else { - if ((flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK1 || - (flags & NV_RX2_CHECKSUMMASK) == NV_RX2_CHECKSUMOK3) { - skb->ip_summed = CHECKSUM_UNNECESSARY; - } - } /* got a valid packet - forward it to the network core */ skb_put(skb, len); @@ -2703,6 +2695,9 @@ static void nv_set_multicast(struct net_device *dev) addr[1] = alwaysOn[1]; mask[0] = alwaysOn[0] | alwaysOff[0]; mask[1] = alwaysOn[1] | alwaysOff[1]; + } else { + mask[0] = NVREG_MCASTMASKA_NONE; + mask[1] = NVREG_MCASTMASKB_NONE; } } addr[0] |= NVREG_MCASTADDRA_FORCE; @@ -4813,8 +4808,8 @@ static int nv_open(struct net_device *dev) nv_mac_reset(dev); writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); writel(0, base + NvRegMulticastAddrB); - writel(0, base + NvRegMulticastMaskA); - writel(0, base + NvRegMulticastMaskB); + writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA); + writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB); writel(0, base + NvRegPacketFilterFlags); writel(0, base + NvRegTransmitterControl); @@ -4908,8 +4903,8 @@ static int nv_open(struct net_device *dev) spin_lock_irq(&np->lock); writel(NVREG_MCASTADDRA_FORCE, base + NvRegMulticastAddrA); writel(0, base + NvRegMulticastAddrB); - writel(0, base + NvRegMulticastMaskA); - writel(0, base + NvRegMulticastMaskB); + writel(NVREG_MCASTMASKA_NONE, base + NvRegMulticastMaskA); + writel(NVREG_MCASTMASKB_NONE, base + NvRegMulticastMaskB); writel(NVREG_PFF_ALWAYS|NVREG_PFF_MYADDR, base + NvRegPacketFilterFlags); /* One manual link speed update: Interrupts are enabled, future link * speed changes cause interrupts and are handled by nv_link_irq(). @@ -5603,35 +5598,35 @@ static struct pci_device_id pci_tbl[] = { }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_32), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_33), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_34), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP77 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_35), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_36), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_37), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_38), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, { /* MCP79 Ethernet Controller */ PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_NVENET_39), - .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT, + .driver_data = DEV_NEED_TIMERIRQ|DEV_NEED_LINKTIMER|DEV_HAS_CHECKSUM|DEV_HAS_HIGH_DMA|DEV_HAS_MSI|DEV_HAS_POWER_CNTRL|DEV_HAS_PAUSEFRAME_TX|DEV_HAS_STATISTICS_V2|DEV_HAS_TEST_EXTENDED|DEV_HAS_MGMT_UNIT|DEV_HAS_CORRECT_MACADDR, }, {0,}, }; diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c index 46e2c52c7862..95e3464068db 100644 --- a/drivers/net/ibmlana.c +++ b/drivers/net/ibmlana.c @@ -901,12 +901,12 @@ static short ibmlana_adapter_ids[] __initdata = { 0x0000 }; -static char *ibmlana_adapter_names[] __initdata = { +static char *ibmlana_adapter_names[] __devinitdata = { "IBM LAN Adapter/A", NULL }; -static int ibmlana_init_one(struct device *kdev) +static int __devinit ibmlana_init_one(struct device *kdev) { struct mca_device *mdev = to_mca_device(kdev); struct net_device *dev; diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index f3c144d5d72f..d4eb8e2d8720 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -438,7 +438,6 @@ static int igb_request_irq(struct igb_adapter *adapter) if (adapter->msix_entries) { err = igb_request_msix(adapter); if (!err) { - struct e1000_hw *hw = &adapter->hw; /* enable IAM, auto-mask, * DO NOT USE EIAME or IAME in legacy mode */ wr32(E1000_IAM, IMS_ENABLE_MASK); diff --git a/drivers/net/macb.c b/drivers/net/macb.c index e10528ed9081..81bf005ff280 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -1084,7 +1084,7 @@ static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) return phy_mii_ioctl(phydev, if_mii(rq), cmd); } -static int __devinit macb_probe(struct platform_device *pdev) +static int __init macb_probe(struct platform_device *pdev) { struct eth_platform_data *pdata; struct resource *regs; @@ -1248,7 +1248,7 @@ err_out: return err; } -static int __devexit macb_remove(struct platform_device *pdev) +static int __exit macb_remove(struct platform_device *pdev) { struct net_device *dev; struct macb *bp; @@ -1276,8 +1276,7 @@ static int __devexit macb_remove(struct platform_device *pdev) } static struct platform_driver macb_driver = { - .probe = macb_probe, - .remove = __devexit_p(macb_remove), + .remove = __exit_p(macb_remove), .driver = { .name = "macb", }, @@ -1285,7 +1284,7 @@ static struct platform_driver macb_driver = { static int __init macb_init(void) { - return platform_driver_register(&macb_driver); + return platform_driver_probe(&macb_driver, macb_probe); } static void __exit macb_exit(void) diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c index aafc3ce59cbb..6d343efb2717 100644 --- a/drivers/net/mipsnet.c +++ b/drivers/net/mipsnet.c @@ -4,8 +4,6 @@ * for more details. */ -#define DEBUG - #include <linux/init.h> #include <linux/io.h> #include <linux/kernel.h> @@ -15,11 +13,93 @@ #include <linux/platform_device.h> #include <asm/mips-boards/simint.h> -#include "mipsnet.h" /* actual device IO mapping */ +#define MIPSNET_VERSION "2007-11-17" + +/* + * Net status/control block as seen by sw in the core. + */ +struct mipsnet_regs { + /* + * Device info for probing, reads as MIPSNET%d where %d is some + * form of version. + */ + u64 devId; /*0x00 */ -#define MIPSNET_VERSION "2005-06-20" + /* + * read only busy flag. + * Set and cleared by the Net Device to indicate that an rx or a tx + * is in progress. + */ + u32 busy; /*0x08 */ -#define mipsnet_reg_address(dev, field) (dev->base_addr + field_offset(field)) + /* + * Set by the Net Device. + * The device will set it once data has been received. + * The value is the number of bytes that should be read from + * rxDataBuffer. The value will decrease till 0 until all the data + * from rxDataBuffer has been read. + */ + u32 rxDataCount; /*0x0c */ +#define MIPSNET_MAX_RXTX_DATACOUNT (1 << 16) + + /* + * Settable from the MIPS core, cleared by the Net Device. + * The core should set the number of bytes it wants to send, + * then it should write those bytes of data to txDataBuffer. + * The device will clear txDataCount has been processed (not + * necessarily sent). + */ + u32 txDataCount; /*0x10 */ + + /* + * Interrupt control + * + * Used to clear the interrupted generated by this dev. + * Write a 1 to clear the interrupt. (except bit31). + * + * Bit0 is set if it was a tx-done interrupt. + * Bit1 is set when new rx-data is available. + * Until this bit is cleared there will be no other RXs. + * + * Bit31 is used for testing, it clears after a read. + * Writing 1 to this bit will cause an interrupt to be generated. + * To clear the test interrupt, write 0 to this register. + */ + u32 interruptControl; /*0x14 */ +#define MIPSNET_INTCTL_TXDONE (1u << 0) +#define MIPSNET_INTCTL_RXDONE (1u << 1) +#define MIPSNET_INTCTL_TESTBIT (1u << 31) + + /* + * Readonly core-specific interrupt info for the device to signal + * the core. The meaning of the contents of this field might change. + */ + /* XXX: the whole memIntf interrupt scheme is messy: the device + * should have no control what so ever of what VPE/register set is + * being used. + * The MemIntf should only expose interrupt lines, and something in + * the config should be responsible for the line<->core/vpe bindings. + */ + u32 interruptInfo; /*0x18 */ + + /* + * This is where the received data is read out. + * There is more data to read until rxDataReady is 0. + * Only 1 byte at this regs offset is used. + */ + u32 rxDataBuffer; /*0x1c */ + + /* + * This is where the data to transmit is written. + * Data should be written for the amount specified in the + * txDataCount register. + * Only 1 byte at this regs offset is used. + */ + u32 txDataBuffer; /*0x20 */ +}; + +#define regaddr(dev, field) \ + (dev->base_addr + offsetof(struct mipsnet_regs, field)) static char mipsnet_string[] = "mipsnet"; @@ -29,32 +109,27 @@ static char mipsnet_string[] = "mipsnet"; static int ioiocpy_frommipsnet(struct net_device *dev, unsigned char *kdata, int len) { - uint32_t available_len = inl(mipsnet_reg_address(dev, rxDataCount)); - - if (available_len < len) - return -EFAULT; - for (; len > 0; len--, kdata++) - *kdata = inb(mipsnet_reg_address(dev, rxDataBuffer)); + *kdata = inb(regaddr(dev, rxDataBuffer)); - return inl(mipsnet_reg_address(dev, rxDataCount)); + return inl(regaddr(dev, rxDataCount)); } -static inline ssize_t mipsnet_put_todevice(struct net_device *dev, +static inline void mipsnet_put_todevice(struct net_device *dev, struct sk_buff *skb) { int count_to_go = skb->len; char *buf_ptr = skb->data; - outl(skb->len, mipsnet_reg_address(dev, txDataCount)); + outl(skb->len, regaddr(dev, txDataCount)); for (; count_to_go; buf_ptr++, count_to_go--) - outb(*buf_ptr, mipsnet_reg_address(dev, txDataBuffer)); + outb(*buf_ptr, regaddr(dev, txDataBuffer)); dev->stats.tx_packets++; dev->stats.tx_bytes += skb->len; - return skb->len; + dev_kfree_skb(skb); } static int mipsnet_xmit(struct sk_buff *skb, struct net_device *dev) @@ -69,18 +144,20 @@ static int mipsnet_xmit(struct sk_buff *skb, struct net_device *dev) return 0; } -static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t count) +static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t len) { struct sk_buff *skb; - size_t len = count; - skb = alloc_skb(len + 2, GFP_KERNEL); + if (!len) + return len; + + skb = dev_alloc_skb(len + NET_IP_ALIGN); if (!skb) { dev->stats.rx_dropped++; return -ENOMEM; } - skb_reserve(skb, 2); + skb_reserve(skb, NET_IP_ALIGN); if (ioiocpy_frommipsnet(dev, skb_put(skb, len), len)) return -EFAULT; @@ -92,50 +169,42 @@ static inline ssize_t mipsnet_get_fromdev(struct net_device *dev, size_t count) dev->stats.rx_packets++; dev->stats.rx_bytes += len; - return count; + return len; } static irqreturn_t mipsnet_interrupt(int irq, void *dev_id) { struct net_device *dev = dev_id; - - irqreturn_t retval = IRQ_NONE; - uint64_t interruptFlags; - - if (irq == dev->irq) { - retval = IRQ_HANDLED; - - interruptFlags = - inl(mipsnet_reg_address(dev, interruptControl)); - - if (interruptFlags & MIPSNET_INTCTL_TXDONE) { - outl(MIPSNET_INTCTL_TXDONE, - mipsnet_reg_address(dev, interruptControl)); - /* only one packet at a time, we are done. */ - netif_wake_queue(dev); - } else if (interruptFlags & MIPSNET_INTCTL_RXDONE) { - mipsnet_get_fromdev(dev, - inl(mipsnet_reg_address(dev, rxDataCount))); - outl(MIPSNET_INTCTL_RXDONE, - mipsnet_reg_address(dev, interruptControl)); - - } else if (interruptFlags & MIPSNET_INTCTL_TESTBIT) { - /* - * TESTBIT is cleared on read. - * And takes effect after a write with 0 - */ - outl(0, mipsnet_reg_address(dev, interruptControl)); - } else { - /* Maybe shared IRQ, just ignore, no clearing. */ - retval = IRQ_NONE; - } - - } else { - printk(KERN_INFO "%s: %s(): irq %d for unknown device\n", - dev->name, __FUNCTION__, irq); - retval = IRQ_NONE; + u32 int_flags; + irqreturn_t ret = IRQ_NONE; + + if (irq != dev->irq) + goto out_badirq; + + /* TESTBIT is cleared on read. */ + int_flags = inl(regaddr(dev, interruptControl)); + if (int_flags & MIPSNET_INTCTL_TESTBIT) { + /* TESTBIT takes effect after a write with 0. */ + outl(0, regaddr(dev, interruptControl)); + ret = IRQ_HANDLED; + } else if (int_flags & MIPSNET_INTCTL_TXDONE) { + /* Only one packet at a time, we are done. */ + dev->stats.tx_packets++; + netif_wake_queue(dev); + outl(MIPSNET_INTCTL_TXDONE, + regaddr(dev, interruptControl)); + ret = IRQ_HANDLED; + } else if (int_flags & MIPSNET_INTCTL_RXDONE) { + mipsnet_get_fromdev(dev, inl(regaddr(dev, rxDataCount))); + outl(MIPSNET_INTCTL_RXDONE, regaddr(dev, interruptControl)); + ret = IRQ_HANDLED; } - return retval; + return ret; + +out_badirq: + printk(KERN_INFO "%s: %s(): irq %d for unknown device\n", + dev->name, __FUNCTION__, irq); + return ret; } static int mipsnet_open(struct net_device *dev) @@ -144,18 +213,15 @@ static int mipsnet_open(struct net_device *dev) err = request_irq(dev->irq, &mipsnet_interrupt, IRQF_SHARED, dev->name, (void *) dev); - if (err) { - release_region(dev->base_addr, MIPSNET_IO_EXTENT); + release_region(dev->base_addr, sizeof(struct mipsnet_regs)); return err; } netif_start_queue(dev); /* test interrupt handler */ - outl(MIPSNET_INTCTL_TESTBIT, - mipsnet_reg_address(dev, interruptControl)); - + outl(MIPSNET_INTCTL_TESTBIT, regaddr(dev, interruptControl)); return 0; } @@ -163,7 +229,7 @@ static int mipsnet_open(struct net_device *dev) static int mipsnet_close(struct net_device *dev) { netif_stop_queue(dev); - + free_irq(dev->irq, dev); return 0; } @@ -194,10 +260,11 @@ static int __init mipsnet_probe(struct device *dev) */ netdev->base_addr = 0x4200; netdev->irq = MIPS_CPU_IRQ_BASE + MIPSCPU_INT_MB0 + - inl(mipsnet_reg_address(netdev, interruptInfo)); + inl(regaddr(netdev, interruptInfo)); /* Get the io region now, get irq on open() */ - if (!request_region(netdev->base_addr, MIPSNET_IO_EXTENT, "mipsnet")) { + if (!request_region(netdev->base_addr, sizeof(struct mipsnet_regs), + "mipsnet")) { err = -EBUSY; goto out_free_netdev; } @@ -217,7 +284,7 @@ static int __init mipsnet_probe(struct device *dev) return 0; out_free_region: - release_region(netdev->base_addr, MIPSNET_IO_EXTENT); + release_region(netdev->base_addr, sizeof(struct mipsnet_regs)); out_free_netdev: free_netdev(netdev); @@ -231,7 +298,7 @@ static int __devexit mipsnet_device_remove(struct device *device) struct net_device *dev = dev_get_drvdata(device); unregister_netdev(dev); - release_region(dev->base_addr, MIPSNET_IO_EXTENT); + release_region(dev->base_addr, sizeof(struct mipsnet_regs)); free_netdev(dev); dev_set_drvdata(device, NULL); diff --git a/drivers/net/mipsnet.h b/drivers/net/mipsnet.h deleted file mode 100644 index 0132c6714a40..000000000000 --- a/drivers/net/mipsnet.h +++ /dev/null @@ -1,112 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#ifndef __MIPSNET_H -#define __MIPSNET_H - -/* - * Id of this Net device, as seen by the core. - */ -#define MIPS_NET_DEV_ID ((uint64_t) \ - ((uint64_t) 'M' << 0)| \ - ((uint64_t) 'I' << 8)| \ - ((uint64_t) 'P' << 16)| \ - ((uint64_t) 'S' << 24)| \ - ((uint64_t) 'N' << 32)| \ - ((uint64_t) 'E' << 40)| \ - ((uint64_t) 'T' << 48)| \ - ((uint64_t) '0' << 56)) - -/* - * Net status/control block as seen by sw in the core. - * (Why not use bit fields? can't be bothered with cross-platform struct - * packing.) - */ -struct net_control_block { - /* - * dev info for probing - * reads as MIPSNET%d where %d is some form of version - */ - uint64_t devId; /* 0x00 */ - - /* - * read only busy flag. - * Set and cleared by the Net Device to indicate that an rx or a tx - * is in progress. - */ - uint32_t busy; /* 0x08 */ - - /* - * Set by the Net Device. - * The device will set it once data has been received. - * The value is the number of bytes that should be read from - * rxDataBuffer. The value will decrease till 0 until all the data - * from rxDataBuffer has been read. - */ - uint32_t rxDataCount; /* 0x0c */ -#define MIPSNET_MAX_RXTX_DATACOUNT (1<<16) - - /* - * Settable from the MIPS core, cleared by the Net Device. The core - * should set the number of bytes it wants to send, then it should - * write those bytes of data to txDataBuffer. The device will clear - * txDataCount has been processed (not necessarily sent). - */ - uint32_t txDataCount; /* 0x10 */ - - /* - * Interrupt control - * - * Used to clear the interrupted generated by this dev. - * Write a 1 to clear the interrupt. (except bit31). - * - * Bit0 is set if it was a tx-done interrupt. - * Bit1 is set when new rx-data is available. - * Until this bit is cleared there will be no other RXs. - * - * Bit31 is used for testing, it clears after a read. - * Writing 1 to this bit will cause an interrupt to be generated. - * To clear the test interrupt, write 0 to this register. - */ - uint32_t interruptControl; /*0x14 */ -#define MIPSNET_INTCTL_TXDONE ((uint32_t)(1 << 0)) -#define MIPSNET_INTCTL_RXDONE ((uint32_t)(1 << 1)) -#define MIPSNET_INTCTL_TESTBIT ((uint32_t)(1 << 31)) -#define MIPSNET_INTCTL_ALLSOURCES (MIPSNET_INTCTL_TXDONE | \ - MIPSNET_INTCTL_RXDONE | \ - MIPSNET_INTCTL_TESTBIT) - - /* - * Readonly core-specific interrupt info for the device to signal the - * core. The meaning of the contents of this field might change. - * - * TODO: the whole memIntf interrupt scheme is messy: the device should - * have no control what so ever of what VPE/register set is being - * used. The MemIntf should only expose interrupt lines, and - * something in the config should be responsible for the - * line<->core/vpe bindings. - */ - uint32_t interruptInfo; /* 0x18 */ - - /* - * This is where the received data is read out. - * There is more data to read until rxDataReady is 0. - * Only 1 byte at this regs offset is used. - */ - uint32_t rxDataBuffer; /* 0x1c */ - - /* - * This is where the data to transmit is written. Data should be - * written for the amount specified in the txDataCount register. Only - * 1 byte at this regs offset is used. - */ - uint32_t txDataBuffer; /* 0x20 */ -}; - -#define MIPSNET_IO_EXTENT 0x40 /* being generous */ - -#define field_offset(field) (offsetof(struct net_control_block, field)) - -#endif /* __MIPSNET_H */ diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c index c329a4f5840c..0a3e60418e53 100644 --- a/drivers/net/natsemi.c +++ b/drivers/net/natsemi.c @@ -203,22 +203,8 @@ skbuff at an offset of "+2", 16-byte aligning the IP header. IIId. Synchronization Most operations are synchronized on the np->lock irq spinlock, except the -performance critical codepaths: - -The rx process only runs in the interrupt handler. Access from outside -the interrupt handler is only permitted after disable_irq(). - -The rx process usually runs under the netif_tx_lock. If np->intr_tx_reap -is set, then access is permitted under spin_lock_irq(&np->lock). - -Thus configuration functions that want to access everything must call - disable_irq(dev->irq); - netif_tx_lock_bh(dev); - spin_lock_irq(&np->lock); - -IV. Notes - -NatSemi PCI network controllers are very uncommon. +recieve and transmit paths which are synchronised using a combination of +hardware descriptor ownership, disabling interrupts and NAPI poll scheduling. IVb. References diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c index bb88a41b7591..2e39e0285d8f 100644 --- a/drivers/net/pasemi_mac.c +++ b/drivers/net/pasemi_mac.c @@ -62,6 +62,10 @@ #define LRO_MAX_AGGR 64 +#define PE_MIN_MTU 64 +#define PE_MAX_MTU 1500 +#define PE_DEF_MTU ETH_DATA_LEN + #define DEFAULT_MSG_ENABLE \ (NETIF_MSG_DRV | \ NETIF_MSG_PROBE | \ @@ -82,8 +86,6 @@ & ((ring)->size - 1)) #define RING_AVAIL(ring) ((ring->size) - RING_USED(ring)) -#define BUF_SIZE 1646 /* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ - MODULE_LICENSE("GPL"); MODULE_AUTHOR ("Olof Johansson <olof@lixom.net>"); MODULE_DESCRIPTION("PA Semi PWRficient Ethernet driver"); @@ -175,6 +177,24 @@ static int mac_to_intf(struct pasemi_mac *mac) return -1; } +static void pasemi_mac_intf_disable(struct pasemi_mac *mac) +{ + unsigned int flags; + + flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); + flags &= ~PAS_MAC_CFG_PCFG_PE; + write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); +} + +static void pasemi_mac_intf_enable(struct pasemi_mac *mac) +{ + unsigned int flags; + + flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); + flags |= PAS_MAC_CFG_PCFG_PE; + write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); +} + static int pasemi_get_mac_addr(struct pasemi_mac *mac) { struct pci_dev *pdev = mac->pdev; @@ -221,6 +241,33 @@ static int pasemi_get_mac_addr(struct pasemi_mac *mac) return 0; } +static int pasemi_mac_set_mac_addr(struct net_device *dev, void *p) +{ + struct pasemi_mac *mac = netdev_priv(dev); + struct sockaddr *addr = p; + unsigned int adr0, adr1; + + if (!is_valid_ether_addr(addr->sa_data)) + return -EINVAL; + + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + adr0 = dev->dev_addr[2] << 24 | + dev->dev_addr[3] << 16 | + dev->dev_addr[4] << 8 | + dev->dev_addr[5]; + adr1 = read_mac_reg(mac, PAS_MAC_CFG_ADR1); + adr1 &= ~0xffff; + adr1 |= dev->dev_addr[0] << 8 | dev->dev_addr[1]; + + pasemi_mac_intf_disable(mac); + write_mac_reg(mac, PAS_MAC_CFG_ADR0, adr0); + write_mac_reg(mac, PAS_MAC_CFG_ADR1, adr1); + pasemi_mac_intf_enable(mac); + + return 0; +} + static int get_skb_hdr(struct sk_buff *skb, void **iphdr, void **tcph, u64 *hdr_flags, void *data) { @@ -453,7 +500,7 @@ static void pasemi_mac_free_tx_resources(struct pasemi_mac *mac) } -static void pasemi_mac_free_rx_resources(struct pasemi_mac *mac) +static void pasemi_mac_free_rx_buffers(struct pasemi_mac *mac) { struct pasemi_mac_rxring *rx = rx_ring(mac); unsigned int i; @@ -473,7 +520,12 @@ static void pasemi_mac_free_rx_resources(struct pasemi_mac *mac) } for (i = 0; i < RX_RING_SIZE; i++) - RX_DESC(rx, i) = 0; + RX_BUFF(rx, i) = 0; +} + +static void pasemi_mac_free_rx_resources(struct pasemi_mac *mac) +{ + pasemi_mac_free_rx_buffers(mac); dma_free_coherent(&mac->dma_pdev->dev, RX_RING_SIZE * sizeof(u64), rx_ring(mac)->buffers, rx_ring(mac)->buf_dma); @@ -503,14 +555,14 @@ static void pasemi_mac_replenish_rx_ring(const struct net_device *dev, /* Entry in use? */ WARN_ON(*buff); - skb = dev_alloc_skb(BUF_SIZE); + skb = dev_alloc_skb(mac->bufsz); skb_reserve(skb, LOCAL_SKB_ALIGN); if (unlikely(!skb)) break; dma = pci_map_single(mac->dma_pdev, skb->data, - BUF_SIZE - LOCAL_SKB_ALIGN, + mac->bufsz - LOCAL_SKB_ALIGN, PCI_DMA_FROMDEVICE); if (unlikely(dma_mapping_error(dma))) { @@ -520,7 +572,7 @@ static void pasemi_mac_replenish_rx_ring(const struct net_device *dev, info->skb = skb; info->dma = dma; - *buff = XCT_RXB_LEN(BUF_SIZE) | XCT_RXB_ADDR(dma); + *buff = XCT_RXB_LEN(mac->bufsz) | XCT_RXB_ADDR(dma); fill++; } @@ -650,7 +702,7 @@ static int pasemi_mac_clean_rx(struct pasemi_mac_rxring *rx, len = (macrx & XCT_MACRX_LLEN_M) >> XCT_MACRX_LLEN_S; - pci_unmap_single(pdev, dma, BUF_SIZE-LOCAL_SKB_ALIGN, + pci_unmap_single(pdev, dma, mac->bufsz - LOCAL_SKB_ALIGN, PCI_DMA_FROMDEVICE); if (macrx & XCT_MACRX_CRC) { @@ -874,24 +926,6 @@ static irqreturn_t pasemi_mac_tx_intr(int irq, void *data) return IRQ_HANDLED; } -static void pasemi_mac_intf_disable(struct pasemi_mac *mac) -{ - unsigned int flags; - - flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); - flags &= ~PAS_MAC_CFG_PCFG_PE; - write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); -} - -static void pasemi_mac_intf_enable(struct pasemi_mac *mac) -{ - unsigned int flags; - - flags = read_mac_reg(mac, PAS_MAC_CFG_PCFG); - flags |= PAS_MAC_CFG_PCFG_PE; - write_mac_reg(mac, PAS_MAC_CFG_PCFG, flags); -} - static void pasemi_adjust_link(struct net_device *dev) { struct pasemi_mac *mac = netdev_priv(dev); @@ -1148,11 +1182,71 @@ out_rx_resources: #define MAX_RETRIES 5000 +static void pasemi_mac_pause_txchan(struct pasemi_mac *mac) +{ + unsigned int sta, retries; + int txch = tx_ring(mac)->chan.chno; + + write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), + PAS_DMA_TXCHAN_TCMDSTA_ST); + + for (retries = 0; retries < MAX_RETRIES; retries++) { + sta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch)); + if (!(sta & PAS_DMA_TXCHAN_TCMDSTA_ACT)) + break; + cond_resched(); + } + + if (sta & PAS_DMA_TXCHAN_TCMDSTA_ACT) + dev_err(&mac->dma_pdev->dev, + "Failed to stop tx channel, tcmdsta %08x\n", sta); + + write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), 0); +} + +static void pasemi_mac_pause_rxchan(struct pasemi_mac *mac) +{ + unsigned int sta, retries; + int rxch = rx_ring(mac)->chan.chno; + + write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), + PAS_DMA_RXCHAN_CCMDSTA_ST); + for (retries = 0; retries < MAX_RETRIES; retries++) { + sta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch)); + if (!(sta & PAS_DMA_RXCHAN_CCMDSTA_ACT)) + break; + cond_resched(); + } + + if (sta & PAS_DMA_RXCHAN_CCMDSTA_ACT) + dev_err(&mac->dma_pdev->dev, + "Failed to stop rx channel, ccmdsta 08%x\n", sta); + write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), 0); +} + +static void pasemi_mac_pause_rxint(struct pasemi_mac *mac) +{ + unsigned int sta, retries; + + write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), + PAS_DMA_RXINT_RCMDSTA_ST); + for (retries = 0; retries < MAX_RETRIES; retries++) { + sta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)); + if (!(sta & PAS_DMA_RXINT_RCMDSTA_ACT)) + break; + cond_resched(); + } + + if (sta & PAS_DMA_RXINT_RCMDSTA_ACT) + dev_err(&mac->dma_pdev->dev, + "Failed to stop rx interface, rcmdsta %08x\n", sta); + write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), 0); +} + static int pasemi_mac_close(struct net_device *dev) { struct pasemi_mac *mac = netdev_priv(dev); unsigned int sta; - int retries; int rxch, txch; rxch = rx_ring(mac)->chan.chno; @@ -1190,51 +1284,10 @@ static int pasemi_mac_close(struct net_device *dev) pasemi_mac_clean_tx(tx_ring(mac)); pasemi_mac_clean_rx(rx_ring(mac), RX_RING_SIZE); - /* Disable interface */ - write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), - PAS_DMA_TXCHAN_TCMDSTA_ST); - write_dma_reg( PAS_DMA_RXINT_RCMDSTA(mac->dma_if), - PAS_DMA_RXINT_RCMDSTA_ST); - write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), - PAS_DMA_RXCHAN_CCMDSTA_ST); - - for (retries = 0; retries < MAX_RETRIES; retries++) { - sta = read_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(rxch)); - if (!(sta & PAS_DMA_TXCHAN_TCMDSTA_ACT)) - break; - cond_resched(); - } - - if (sta & PAS_DMA_TXCHAN_TCMDSTA_ACT) - dev_err(&mac->dma_pdev->dev, "Failed to stop tx channel\n"); - - for (retries = 0; retries < MAX_RETRIES; retries++) { - sta = read_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch)); - if (!(sta & PAS_DMA_RXCHAN_CCMDSTA_ACT)) - break; - cond_resched(); - } - - if (sta & PAS_DMA_RXCHAN_CCMDSTA_ACT) - dev_err(&mac->dma_pdev->dev, "Failed to stop rx channel\n"); - - for (retries = 0; retries < MAX_RETRIES; retries++) { - sta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)); - if (!(sta & PAS_DMA_RXINT_RCMDSTA_ACT)) - break; - cond_resched(); - } - - if (sta & PAS_DMA_RXINT_RCMDSTA_ACT) - dev_err(&mac->dma_pdev->dev, "Failed to stop rx interface\n"); - - /* Then, disable the channel. This must be done separately from - * stopping, since you can't disable when active. - */ - - write_dma_reg(PAS_DMA_TXCHAN_TCMDSTA(txch), 0); - write_dma_reg(PAS_DMA_RXCHAN_CCMDSTA(rxch), 0); - write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), 0); + pasemi_mac_pause_txchan(mac); + pasemi_mac_pause_rxint(mac); + pasemi_mac_pause_rxchan(mac); + pasemi_mac_intf_disable(mac); free_irq(mac->tx->chan.irq, mac->tx); free_irq(mac->rx->chan.irq, mac->rx); @@ -1388,6 +1441,62 @@ static int pasemi_mac_poll(struct napi_struct *napi, int budget) return pkts; } +static int pasemi_mac_change_mtu(struct net_device *dev, int new_mtu) +{ + struct pasemi_mac *mac = netdev_priv(dev); + unsigned int reg; + unsigned int rcmdsta; + int running; + + if (new_mtu < PE_MIN_MTU || new_mtu > PE_MAX_MTU) + return -EINVAL; + + running = netif_running(dev); + + if (running) { + /* Need to stop the interface, clean out all already + * received buffers, free all unused buffers on the RX + * interface ring, then finally re-fill the rx ring with + * the new-size buffers and restart. + */ + + napi_disable(&mac->napi); + netif_tx_disable(dev); + pasemi_mac_intf_disable(mac); + + rcmdsta = read_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if)); + pasemi_mac_pause_rxint(mac); + pasemi_mac_clean_rx(rx_ring(mac), RX_RING_SIZE); + pasemi_mac_free_rx_buffers(mac); + } + + /* Change maxf, i.e. what size frames are accepted. + * Need room for ethernet header and CRC word + */ + reg = read_mac_reg(mac, PAS_MAC_CFG_MACCFG); + reg &= ~PAS_MAC_CFG_MACCFG_MAXF_M; + reg |= PAS_MAC_CFG_MACCFG_MAXF(new_mtu + ETH_HLEN + 4); + write_mac_reg(mac, PAS_MAC_CFG_MACCFG, reg); + + dev->mtu = new_mtu; + /* MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ + mac->bufsz = new_mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128; + + if (running) { + write_dma_reg(PAS_DMA_RXINT_RCMDSTA(mac->dma_if), + rcmdsta | PAS_DMA_RXINT_RCMDSTA_EN); + + rx_ring(mac)->next_to_fill = 0; + pasemi_mac_replenish_rx_ring(dev, RX_RING_SIZE-1); + + napi_enable(&mac->napi); + netif_start_queue(dev); + pasemi_mac_intf_enable(mac); + } + + return 0; +} + static int __devinit pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { @@ -1475,6 +1584,12 @@ pasemi_mac_probe(struct pci_dev *pdev, const struct pci_device_id *ent) dev->stop = pasemi_mac_close; dev->hard_start_xmit = pasemi_mac_start_tx; dev->set_multicast_list = pasemi_mac_set_rx_mode; + dev->set_mac_address = pasemi_mac_set_mac_addr; + dev->mtu = PE_DEF_MTU; + /* 1500 MTU + ETH_HLEN + VLAN_HLEN + 2 64B cachelines */ + mac->bufsz = dev->mtu + ETH_HLEN + ETH_FCS_LEN + LOCAL_SKB_ALIGN + 128; + + dev->change_mtu = pasemi_mac_change_mtu; if (err) goto out; diff --git a/drivers/net/pasemi_mac.h b/drivers/net/pasemi_mac.h index 8bee2a664c83..99e7b9329a6f 100644 --- a/drivers/net/pasemi_mac.h +++ b/drivers/net/pasemi_mac.h @@ -59,6 +59,7 @@ struct pasemi_mac { struct phy_device *phydev; struct napi_struct napi; + int bufsz; /* RX ring buffer size */ u8 type; #define MAC_TYPE_GMAC 1 #define MAC_TYPE_XAUI 2 @@ -96,6 +97,9 @@ struct pasemi_mac_buffer { /* MAC CFG register offsets */ enum { PAS_MAC_CFG_PCFG = 0x80, + PAS_MAC_CFG_MACCFG = 0x84, + PAS_MAC_CFG_ADR0 = 0x8c, + PAS_MAC_CFG_ADR1 = 0x90, PAS_MAC_CFG_TXP = 0x98, PAS_MAC_IPC_CHNL = 0x208, }; @@ -130,6 +134,18 @@ enum { #define PAS_MAC_CFG_PCFG_SPD_100M 0x00000001 #define PAS_MAC_CFG_PCFG_SPD_1G 0x00000002 #define PAS_MAC_CFG_PCFG_SPD_10G 0x00000003 + +#define PAS_MAC_CFG_MACCFG_TXT_M 0x70000000 +#define PAS_MAC_CFG_MACCFG_TXT_S 28 +#define PAS_MAC_CFG_MACCFG_PRES_M 0x0f000000 +#define PAS_MAC_CFG_MACCFG_PRES_S 24 +#define PAS_MAC_CFG_MACCFG_MAXF_M 0x00ffff00 +#define PAS_MAC_CFG_MACCFG_MAXF_S 8 +#define PAS_MAC_CFG_MACCFG_MAXF(x) (((x) << PAS_MAC_CFG_MACCFG_MAXF_S) & \ + PAS_MAC_CFG_MACCFG_MAXF_M) +#define PAS_MAC_CFG_MACCFG_MINF_M 0x000000ff +#define PAS_MAC_CFG_MACCFG_MINF_S 0 + #define PAS_MAC_CFG_TXP_FCF 0x01000000 #define PAS_MAC_CFG_TXP_FCE 0x00800000 #define PAS_MAC_CFG_TXP_FC 0x00400000 diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c index ed402e00e730..fffc49befe04 100644 --- a/drivers/net/pci-skeleton.c +++ b/drivers/net/pci-skeleton.c @@ -541,7 +541,7 @@ static void netdrv_hw_start (struct net_device *dev); #define NETDRV_W32_F(reg, val32) do { writel ((val32), ioaddr + (reg)); readl (ioaddr + (reg)); } while (0) -#if MMIO_FLUSH_AUDIT_COMPLETE +#ifdef MMIO_FLUSH_AUDIT_COMPLETE /* write MMIO register */ #define NETDRV_W8(reg, val8) writeb ((val8), ioaddr + (reg)) @@ -603,7 +603,7 @@ static int __devinit netdrv_init_board (struct pci_dev *pdev, return -ENOMEM; } SET_NETDEV_DEV(dev, &pdev->dev); - tp = dev->priv; + tp = netdev_priv(dev); /* enable device (incl. PCI PM wakeup), and bus-mastering */ rc = pci_enable_device (pdev); @@ -759,7 +759,7 @@ static int __devinit netdrv_init_one (struct pci_dev *pdev, return i; } - tp = dev->priv; + tp = netdev_priv(dev); assert (ioaddr != NULL); assert (dev != NULL); @@ -783,7 +783,7 @@ static int __devinit netdrv_init_one (struct pci_dev *pdev, dev->base_addr = (unsigned long) ioaddr; /* dev->priv/tp zeroed and aligned in alloc_etherdev */ - tp = dev->priv; + tp = netdev_priv(dev); /* note: tp->chipset set in netdrv_init_board */ tp->drv_flags = PCI_COMMAND_IO | PCI_COMMAND_MEMORY | @@ -841,7 +841,7 @@ static void __devexit netdrv_remove_one (struct pci_dev *pdev) assert (dev != NULL); - np = dev->priv; + np = netdev_priv(dev); assert (np != NULL); unregister_netdev (dev); @@ -974,7 +974,7 @@ static void mdio_sync (void *mdio_addr) static int mdio_read (struct net_device *dev, int phy_id, int location) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *mdio_addr = tp->mmio_addr + Config4; int mii_cmd = (0xf6 << 10) | (phy_id << 5) | location; int retval = 0; @@ -1017,7 +1017,7 @@ static int mdio_read (struct net_device *dev, int phy_id, int location) static void mdio_write (struct net_device *dev, int phy_id, int location, int value) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *mdio_addr = tp->mmio_addr + Config4; int mii_cmd = (0x5002 << 16) | (phy_id << 23) | (location << 18) | value; @@ -1060,7 +1060,7 @@ static void mdio_write (struct net_device *dev, int phy_id, int location, static int netdrv_open (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); int retval; #ifdef NETDRV_DEBUG void *ioaddr = tp->mmio_addr; @@ -1121,7 +1121,7 @@ static int netdrv_open (struct net_device *dev) /* Start the hardware at open or resume. */ static void netdrv_hw_start (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; u32 i; @@ -1191,7 +1191,7 @@ static void netdrv_hw_start (struct net_device *dev) /* Initialize the Rx and Tx rings, along with various 'dev' bits. */ static void netdrv_init_ring (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); int i; DPRINTK ("ENTER\n"); @@ -1213,7 +1213,7 @@ static void netdrv_init_ring (struct net_device *dev) static void netdrv_timer (unsigned long data) { struct net_device *dev = (struct net_device *) data; - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; int next_tick = 60 * HZ; int mii_lpa; @@ -1252,9 +1252,10 @@ static void netdrv_timer (unsigned long data) } -static void netdrv_tx_clear (struct netdrv_private *tp) +static void netdrv_tx_clear (struct net_device *dev) { int i; + struct netdrv_private *tp = netdev_priv(dev); atomic_set (&tp->cur_tx, 0); atomic_set (&tp->dirty_tx, 0); @@ -1278,7 +1279,7 @@ static void netdrv_tx_clear (struct netdrv_private *tp) static void netdrv_tx_timeout (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; int i; u8 tmp8; @@ -1311,7 +1312,7 @@ static void netdrv_tx_timeout (struct net_device *dev) /* Stop a shared interrupt from scavenging while we are. */ spin_lock_irqsave (&tp->lock, flags); - netdrv_tx_clear (tp); + netdrv_tx_clear (dev); spin_unlock_irqrestore (&tp->lock, flags); @@ -1325,7 +1326,7 @@ static void netdrv_tx_timeout (struct net_device *dev) static int netdrv_start_xmit (struct sk_buff *skb, struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; int entry; @@ -1525,7 +1526,7 @@ static void netdrv_rx_interrupt (struct net_device *dev, DPRINTK ("%s: netdrv_rx() status %4.4x, size %4.4x," " cur %4.4x.\n", dev->name, rx_status, rx_size, cur_rx); -#if NETDRV_DEBUG > 2 +#if defined(NETDRV_DEBUG) && (NETDRV_DEBUG > 2) { int i; DPRINTK ("%s: Frame contents ", dev->name); @@ -1648,7 +1649,7 @@ static void netdrv_weird_interrupt (struct net_device *dev, static irqreturn_t netdrv_interrupt (int irq, void *dev_instance) { struct net_device *dev = (struct net_device *) dev_instance; - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); int boguscnt = max_interrupt_work; void *ioaddr = tp->mmio_addr; int status = 0, link_changed = 0; /* avoid bogus "uninit" warning */ @@ -1711,7 +1712,7 @@ static irqreturn_t netdrv_interrupt (int irq, void *dev_instance) static int netdrv_close (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; unsigned long flags; @@ -1738,10 +1739,10 @@ static int netdrv_close (struct net_device *dev) spin_unlock_irqrestore (&tp->lock, flags); - synchronize_irq (); + synchronize_irq (dev->irq); free_irq (dev->irq, dev); - netdrv_tx_clear (tp); + netdrv_tx_clear (dev); pci_free_consistent(tp->pci_dev, RX_BUF_TOT_LEN, tp->rx_ring, tp->rx_ring_dma); @@ -1762,7 +1763,7 @@ static int netdrv_close (struct net_device *dev) static int netdrv_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); struct mii_ioctl_data *data = if_mii(rq); unsigned long flags; int rc = 0; @@ -1805,7 +1806,7 @@ static int netdrv_ioctl (struct net_device *dev, struct ifreq *rq, int cmd) static void netdrv_set_rx_mode (struct net_device *dev) { - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; u32 mc_filter[2]; /* Multicast hash filter */ int i, rx_mode; @@ -1862,7 +1863,7 @@ static void netdrv_set_rx_mode (struct net_device *dev) static int netdrv_suspend (struct pci_dev *pdev, pm_message_t state) { struct net_device *dev = pci_get_drvdata (pdev); - struct netdrv_private *tp = dev->priv; + struct netdrv_private *tp = netdev_priv(dev); void *ioaddr = tp->mmio_addr; unsigned long flags; @@ -1892,7 +1893,7 @@ static int netdrv_suspend (struct pci_dev *pdev, pm_message_t state) static int netdrv_resume (struct pci_dev *pdev) { struct net_device *dev = pci_get_drvdata (pdev); - struct netdrv_private *tp = dev->priv; + /*struct netdrv_private *tp = netdev_priv(dev);*/ if (!netif_running(dev)) return 0; diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 7fe03ce774b1..f4ca0591231d 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -60,6 +60,11 @@ config ICPLUS_PHY ---help--- Currently supports the IP175C PHY. +config REALTEK_PHY + tristate "Drivers for Realtek PHYs" + ---help--- + Supports the Realtek 821x PHY. + config FIXED_PHY bool "Driver for MDIO Bus/PHY emulation with fixed speed/link PHYs" ---help--- diff --git a/drivers/net/phy/Makefile b/drivers/net/phy/Makefile index 3d6cc7b67a80..5997d6ef702b 100644 --- a/drivers/net/phy/Makefile +++ b/drivers/net/phy/Makefile @@ -12,5 +12,6 @@ obj-$(CONFIG_SMSC_PHY) += smsc.o obj-$(CONFIG_VITESSE_PHY) += vitesse.o obj-$(CONFIG_BROADCOM_PHY) += broadcom.o obj-$(CONFIG_ICPLUS_PHY) += icplus.o +obj-$(CONFIG_REALTEK_PHY) += realtek.o obj-$(CONFIG_FIXED_PHY) += fixed.o obj-$(CONFIG_MDIO_BITBANG) += mdio-bitbang.o diff --git a/drivers/net/phy/broadcom.c b/drivers/net/phy/broadcom.c index 29666c85ed55..5b80358af658 100644 --- a/drivers/net/phy/broadcom.c +++ b/drivers/net/phy/broadcom.c @@ -141,6 +141,20 @@ static struct phy_driver bcm5461_driver = { .driver = { .owner = THIS_MODULE }, }; +static struct phy_driver bcm5482_driver = { + .phy_id = 0x0143bcb0, + .phy_id_mask = 0xfffffff0, + .name = "Broadcom BCM5482", + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_MAGICANEG | PHY_HAS_INTERRUPT, + .config_init = bcm54xx_config_init, + .config_aneg = genphy_config_aneg, + .read_status = genphy_read_status, + .ack_interrupt = bcm54xx_ack_interrupt, + .config_intr = bcm54xx_config_intr, + .driver = { .owner = THIS_MODULE }, +}; + static int __init broadcom_init(void) { int ret; @@ -154,8 +168,13 @@ static int __init broadcom_init(void) ret = phy_driver_register(&bcm5461_driver); if (ret) goto out_5461; + ret = phy_driver_register(&bcm5482_driver); + if (ret) + goto out_5482; return ret; +out_5482: + phy_driver_unregister(&bcm5461_driver); out_5461: phy_driver_unregister(&bcm5421_driver); out_5421: @@ -166,6 +185,7 @@ out_5411: static void __exit broadcom_exit(void) { + phy_driver_unregister(&bcm5482_driver); phy_driver_unregister(&bcm5461_driver); phy_driver_unregister(&bcm5421_driver); phy_driver_unregister(&bcm5411_driver); diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index c30196d0ad16..6e9f619c491f 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -49,7 +49,7 @@ int mdiobus_register(struct mii_bus *bus) int i; int err = 0; - spin_lock_init(&bus->mdio_lock); + mutex_init(&bus->mdio_lock); if (NULL == bus || NULL == bus->name || NULL == bus->read || diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 7c9e6e349503..12fccb1c76dc 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -26,7 +26,6 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> -#include <linux/spinlock.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/mii.h> @@ -72,9 +71,11 @@ int phy_read(struct phy_device *phydev, u16 regnum) int retval; struct mii_bus *bus = phydev->bus; - spin_lock_bh(&bus->mdio_lock); + BUG_ON(in_interrupt()); + + mutex_lock(&bus->mdio_lock); retval = bus->read(bus, phydev->addr, regnum); - spin_unlock_bh(&bus->mdio_lock); + mutex_unlock(&bus->mdio_lock); return retval; } @@ -95,9 +96,11 @@ int phy_write(struct phy_device *phydev, u16 regnum, u16 val) int err; struct mii_bus *bus = phydev->bus; - spin_lock_bh(&bus->mdio_lock); + BUG_ON(in_interrupt()); + + mutex_lock(&bus->mdio_lock); err = bus->write(bus, phydev->addr, regnum, val); - spin_unlock_bh(&bus->mdio_lock); + mutex_unlock(&bus->mdio_lock); return err; } @@ -428,7 +431,7 @@ int phy_start_aneg(struct phy_device *phydev) { int err; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (AUTONEG_DISABLE == phydev->autoneg) phy_sanitize_settings(phydev); @@ -449,13 +452,14 @@ int phy_start_aneg(struct phy_device *phydev) } out_unlock: - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); return err; } EXPORT_SYMBOL(phy_start_aneg); static void phy_change(struct work_struct *work); +static void phy_state_machine(struct work_struct *work); static void phy_timer(unsigned long data); /** @@ -476,6 +480,7 @@ void phy_start_machine(struct phy_device *phydev, { phydev->adjust_state = handler; + INIT_WORK(&phydev->state_queue, phy_state_machine); init_timer(&phydev->phy_timer); phydev->phy_timer.function = &phy_timer; phydev->phy_timer.data = (unsigned long) phydev; @@ -493,11 +498,12 @@ void phy_start_machine(struct phy_device *phydev, void phy_stop_machine(struct phy_device *phydev) { del_timer_sync(&phydev->phy_timer); + cancel_work_sync(&phydev->state_queue); - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (phydev->state > PHY_UP) phydev->state = PHY_UP; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); phydev->adjust_state = NULL; } @@ -541,9 +547,9 @@ static void phy_force_reduction(struct phy_device *phydev) */ void phy_error(struct phy_device *phydev) { - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); phydev->state = PHY_HALTED; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); } /** @@ -705,10 +711,10 @@ static void phy_change(struct work_struct *work) if (err) goto phy_err; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if ((PHY_RUNNING == phydev->state) || (PHY_NOLINK == phydev->state)) phydev->state = PHY_CHANGELINK; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); atomic_dec(&phydev->irq_disable); enable_irq(phydev->irq); @@ -735,7 +741,7 @@ phy_err: */ void phy_stop(struct phy_device *phydev) { - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (PHY_HALTED == phydev->state) goto out_unlock; @@ -751,7 +757,7 @@ void phy_stop(struct phy_device *phydev) phydev->state = PHY_HALTED; out_unlock: - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); /* * Cannot call flush_scheduled_work() here as desired because @@ -773,7 +779,7 @@ out_unlock: */ void phy_start(struct phy_device *phydev) { - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); switch (phydev->state) { case PHY_STARTING: @@ -787,19 +793,26 @@ void phy_start(struct phy_device *phydev) default: break; } - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); } EXPORT_SYMBOL(phy_stop); EXPORT_SYMBOL(phy_start); -/* PHY timer which handles the state machine */ -static void phy_timer(unsigned long data) +/** + * phy_state_machine - Handle the state machine + * @work: work_struct that describes the work to be done + * + * Description: Scheduled by the state_queue workqueue each time + * phy_timer is triggered. + */ +static void phy_state_machine(struct work_struct *work) { - struct phy_device *phydev = (struct phy_device *)data; + struct phy_device *phydev = + container_of(work, struct phy_device, state_queue); int needs_aneg = 0; int err = 0; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); if (phydev->adjust_state) phydev->adjust_state(phydev->attached_dev); @@ -965,7 +978,7 @@ static void phy_timer(unsigned long data) break; } - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); if (needs_aneg) err = phy_start_aneg(phydev); @@ -976,3 +989,14 @@ static void phy_timer(unsigned long data) mod_timer(&phydev->phy_timer, jiffies + PHY_STATE_TIME * HZ); } +/* PHY timer which schedules the state machine work */ +static void phy_timer(unsigned long data) +{ + struct phy_device *phydev = (struct phy_device *)data; + + /* + * PHY I/O operations can potentially sleep so we ensure that + * it's done from a process context + */ + schedule_work(&phydev->state_queue); +} diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index 5b9e1751e1b4..f4c4fd85425f 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -25,7 +25,6 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> -#include <linux/spinlock.h> #include <linux/mm.h> #include <linux/module.h> #include <linux/mii.h> @@ -80,7 +79,7 @@ struct phy_device* phy_device_create(struct mii_bus *bus, int addr, int phy_id) dev->state = PHY_DOWN; - spin_lock_init(&dev->lock); + mutex_init(&dev->lock); return dev; } @@ -656,7 +655,7 @@ static int phy_probe(struct device *dev) if (!(phydrv->flags & PHY_HAS_INTERRUPT)) phydev->irq = PHY_POLL; - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); /* Start out supporting everything. Eventually, * a controller will attach, and may modify one @@ -670,7 +669,7 @@ static int phy_probe(struct device *dev) if (phydev->drv->probe) err = phydev->drv->probe(phydev); - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); return err; @@ -682,9 +681,9 @@ static int phy_remove(struct device *dev) phydev = to_phy_device(dev); - spin_lock_bh(&phydev->lock); + mutex_lock(&phydev->lock); phydev->state = PHY_DOWN; - spin_unlock_bh(&phydev->lock); + mutex_unlock(&phydev->lock); if (phydev->drv->remove) phydev->drv->remove(phydev); diff --git a/drivers/net/phy/realtek.c b/drivers/net/phy/realtek.c new file mode 100644 index 000000000000..a052a6744a51 --- /dev/null +++ b/drivers/net/phy/realtek.c @@ -0,0 +1,80 @@ +/* + * drivers/net/phy/realtek.c + * + * Driver for Realtek PHYs + * + * Author: Johnson Leung <r58129@freescale.com> + * + * Copyright (c) 2004 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + */ +#include <linux/phy.h> + +#define RTL821x_PHYSR 0x11 +#define RTL821x_PHYSR_DUPLEX 0x2000 +#define RTL821x_PHYSR_SPEED 0xc000 +#define RTL821x_INER 0x12 +#define RTL821x_INER_INIT 0x6400 +#define RTL821x_INSR 0x13 + +MODULE_DESCRIPTION("Realtek PHY driver"); +MODULE_AUTHOR("Johnson Leung"); +MODULE_LICENSE("GPL"); + +static int rtl821x_ack_interrupt(struct phy_device *phydev) +{ + int err; + + err = phy_read(phydev, RTL821x_INSR); + + return (err < 0) ? err : 0; +} + +static int rtl821x_config_intr(struct phy_device *phydev) +{ + int err; + + if (phydev->interrupts == PHY_INTERRUPT_ENABLED) + err = phy_write(phydev, RTL821x_INER, + RTL821x_INER_INIT); + else + err = phy_write(phydev, RTL821x_INER, 0); + + return err; +} + +/* RTL8211B */ +static struct phy_driver rtl821x_driver = { + .phy_id = 0x001cc912, + .name = "RTL821x Gigabit Ethernet", + .phy_id_mask = 0x001fffff, + .features = PHY_GBIT_FEATURES, + .flags = PHY_HAS_INTERRUPT, + .config_aneg = &genphy_config_aneg, + .read_status = &genphy_read_status, + .ack_interrupt = &rtl821x_ack_interrupt, + .config_intr = &rtl821x_config_intr, + .driver = { .owner = THIS_MODULE,}, +}; + +static int __init realtek_init(void) +{ + int ret; + + ret = phy_driver_register(&rtl821x_driver); + + return ret; +} + +static void __exit realtek_exit(void) +{ + phy_driver_unregister(&rtl821x_driver); +} + +module_init(realtek_init); +module_exit(realtek_exit); diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 5fab7d7b5d74..6179a0a2032c 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c @@ -8118,7 +8118,7 @@ static void initiate_new_session(struct lro *lro, u8 *l2h, lro->iph = ip; lro->tcph = tcp; lro->tcp_next_seq = tcp_pyld_len + ntohl(tcp->seq); - lro->tcp_ack = ntohl(tcp->ack_seq); + lro->tcp_ack = tcp->ack_seq; lro->sg_num = 1; lro->total_len = ntohs(ip->tot_len); lro->frags_len = 0; @@ -8127,10 +8127,10 @@ static void initiate_new_session(struct lro *lro, u8 *l2h, * already been done. */ if (tcp->doff == 8) { - u32 *ptr; - ptr = (u32 *)(tcp+1); + __be32 *ptr; + ptr = (__be32 *)(tcp+1); lro->saw_ts = 1; - lro->cur_tsval = *(ptr+1); + lro->cur_tsval = ntohl(*(ptr+1)); lro->cur_tsecr = *(ptr+2); } lro->in_use = 1; @@ -8156,7 +8156,7 @@ static void update_L3L4_header(struct s2io_nic *sp, struct lro *lro) /* Update tsecr field if this session has timestamps enabled */ if (lro->saw_ts) { - u32 *ptr = (u32 *)(tcp + 1); + __be32 *ptr = (__be32 *)(tcp + 1); *(ptr+2) = lro->cur_tsecr; } @@ -8181,10 +8181,10 @@ static void aggregate_new_rx(struct lro *lro, struct iphdr *ip, lro->window = tcp->window; if (lro->saw_ts) { - u32 *ptr; + __be32 *ptr; /* Update tsecr and tsval from this packet */ - ptr = (u32 *) (tcp + 1); - lro->cur_tsval = *(ptr + 1); + ptr = (__be32 *)(tcp+1); + lro->cur_tsval = ntohl(*(ptr+1)); lro->cur_tsecr = *(ptr + 2); } } @@ -8235,11 +8235,11 @@ static int verify_l3_l4_lro_capable(struct lro *l_lro, struct iphdr *ip, /* Ensure timestamp value increases monotonically */ if (l_lro) - if (l_lro->cur_tsval > *((u32 *)(ptr+2))) + if (l_lro->cur_tsval > ntohl(*((__be32 *)(ptr+2)))) return -1; /* timestamp echo reply should be non-zero */ - if (*((u32 *)(ptr+6)) == 0) + if (*((__be32 *)(ptr+6)) == 0) return -1; } diff --git a/drivers/net/s2io.h b/drivers/net/s2io.h index 9f6016c6f135..64b88eb48287 100644 --- a/drivers/net/s2io.h +++ b/drivers/net/s2io.h @@ -809,7 +809,7 @@ struct lro { int in_use; __be16 window; u32 cur_tsval; - u32 cur_tsecr; + __be32 cur_tsecr; u8 saw_ts; }; diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c index b570402f7fed..2e9e88be7b33 100644 --- a/drivers/net/sis190.c +++ b/drivers/net/sis190.c @@ -326,7 +326,7 @@ static const struct { { "SiS 191 PCI Gigabit Ethernet adapter" }, }; -static struct pci_device_id sis190_pci_tbl[] __devinitdata = { +static struct pci_device_id sis190_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0190), 0, 0, 0 }, { PCI_DEVICE(PCI_VENDOR_ID_SI, 0x0191), 0, 0, 1 }, { 0, }, diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 626190eb91e7..dc062367a1c8 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -623,6 +623,7 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) static const u32 phy_power[] = { PCI_Y2_PHY1_POWD, PCI_Y2_PHY2_POWD }; static const u32 coma_mode[] = { PCI_Y2_PHY1_COMA, PCI_Y2_PHY2_COMA }; + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); /* Turn on/off phy power saving */ if (onoff) @@ -634,7 +635,8 @@ static void sky2_phy_power(struct sky2_hw *hw, unsigned port, int onoff) reg1 |= coma_mode[port]; sky2_pci_write32(hw, PCI_DEV_REG1, reg1); - reg1 = sky2_pci_read32(hw, PCI_DEV_REG1); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); + sky2_pci_read32(hw, PCI_DEV_REG1); udelay(100); } @@ -1422,6 +1424,7 @@ static int sky2_up(struct net_device *dev) imask |= portirq_msk[port]; sky2_write32(hw, B0_IMSK, imask); + sky2_set_multicast(dev); return 0; err_out: @@ -2436,6 +2439,7 @@ static void sky2_hw_intr(struct sky2_hw *hw) if (status & (Y2_IS_MST_ERR | Y2_IS_IRQ_STAT)) { u16 pci_err; + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); pci_err = sky2_pci_read16(hw, PCI_STATUS); if (net_ratelimit()) dev_err(&pdev->dev, "PCI hardware error (0x%x)\n", @@ -2443,12 +2447,14 @@ static void sky2_hw_intr(struct sky2_hw *hw) sky2_pci_write16(hw, PCI_STATUS, pci_err | PCI_STATUS_ERROR_BITS); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } if (status & Y2_IS_PCI_EXP) { /* PCI-Express uncorrectable Error occurred */ u32 err; + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_ON); err = sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); sky2_write32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS, 0xfffffffful); @@ -2456,6 +2462,7 @@ static void sky2_hw_intr(struct sky2_hw *hw) dev_err(&pdev->dev, "PCI Express error (0x%x)\n", err); sky2_read32(hw, Y2_CFG_AER + PCI_ERR_UNCOR_STATUS); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); } if (status & Y2_HWE_L1_MASK) @@ -2831,6 +2838,7 @@ static void sky2_reset(struct sky2_hw *hw) } sky2_power_on(hw); + sky2_write8(hw, B2_TST_CTRL1, TST_CFG_WRITE_OFF); for (i = 0; i < hw->ports; i++) { sky2_write8(hw, SK_REG(i, GMAC_LINK_CTRL), GMLC_RST_SET); @@ -3554,8 +3562,6 @@ static int sky2_set_ringparam(struct net_device *dev, err = sky2_up(dev); if (err) dev_close(dev); - else - sky2_set_multicast(dev); } return err; @@ -4389,8 +4395,6 @@ static int sky2_resume(struct pci_dev *pdev) dev_close(dev); goto out; } - - sky2_set_multicast(dev); } } diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c index fe3ac6f9ae89..0e4a88d16327 100644 --- a/drivers/net/sunbmac.c +++ b/drivers/net/sunbmac.c @@ -1075,7 +1075,7 @@ static const struct ethtool_ops bigmac_ethtool_ops = { .get_link = bigmac_get_link, }; -static int __init bigmac_ether_init(struct sbus_dev *qec_sdev) +static int __devinit bigmac_ether_init(struct sbus_dev *qec_sdev) { struct net_device *dev; static int version_printed; diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index ff23c6489efd..e811331d4608 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -747,7 +747,7 @@ static inline void qec_init_once(struct sunqec *qecp, struct sbus_dev *qsdev) qecp->gregs + GLOB_RSIZE); } -static u8 __init qec_get_burst(struct device_node *dp) +static u8 __devinit qec_get_burst(struct device_node *dp) { u8 bsizes, bsizes_more; @@ -767,7 +767,7 @@ static u8 __init qec_get_burst(struct device_node *dp) return bsizes; } -static struct sunqec * __init get_qec(struct sbus_dev *child_sdev) +static struct sunqec * __devinit get_qec(struct sbus_dev *child_sdev) { struct sbus_dev *qec_sdev = child_sdev->parent; struct sunqec *qecp; @@ -823,7 +823,7 @@ fail: return NULL; } -static int __init qec_ether_init(struct sbus_dev *sdev) +static int __devinit qec_ether_init(struct sbus_dev *sdev) { static unsigned version_printed; struct net_device *dev; diff --git a/drivers/net/sunvnet.c b/drivers/net/sunvnet.c index 4a0035f7a842..6415ce15c2ef 100644 --- a/drivers/net/sunvnet.c +++ b/drivers/net/sunvnet.c @@ -1130,7 +1130,7 @@ static struct vio_driver_ops vnet_vio_ops = { .handshake_complete = vnet_handshake_complete, }; -static void print_version(void) +static void __devinit print_version(void) { static int version_printed; diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c index e7b4adc5c4e7..433c994ea9d8 100644 --- a/drivers/net/tokenring/olympic.c +++ b/drivers/net/tokenring/olympic.c @@ -434,7 +434,7 @@ static int __devinit olympic_init(struct net_device *dev) } -static int olympic_open(struct net_device *dev) +static int __devinit olympic_open(struct net_device *dev) { struct olympic_private *olympic_priv=netdev_priv(dev); u8 __iomem *olympic_mmio=olympic_priv->olympic_mmio,*init_srb; diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 4ffd8739f8b7..fba0811d2608 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -2084,8 +2084,10 @@ static void ucc_geth_memclean(struct ucc_geth_private *ugeth) if (!ugeth) return; - if (ugeth->uccf) + if (ugeth->uccf) { ucc_fast_free(ugeth->uccf); + ugeth->uccf = NULL; + } if (ugeth->p_thread_data_tx) { qe_muram_free(ugeth->thread_dat_tx_offset); @@ -2305,10 +2307,6 @@ static int ucc_struct_init(struct ucc_geth_private *ugeth) ug_info = ugeth->ug_info; uf_info = &ug_info->uf_info; - /* Create CQs for hash tables */ - INIT_LIST_HEAD(&ugeth->group_hash_q); - INIT_LIST_HEAD(&ugeth->ind_hash_q); - if (!((uf_info->bd_mem_part == MEM_PART_SYSTEM) || (uf_info->bd_mem_part == MEM_PART_MURAM))) { if (netif_msg_probe(ugeth)) @@ -3668,6 +3666,23 @@ static irqreturn_t ucc_geth_irq_handler(int irq, void *info) return IRQ_HANDLED; } +#ifdef CONFIG_NET_POLL_CONTROLLER +/* + * Polling 'interrupt' - used by things like netconsole to send skbs + * without having to re-enable interrupts. It's not called while + * the interrupt routine is executing. + */ +static void ucc_netpoll(struct net_device *dev) +{ + struct ucc_geth_private *ugeth = netdev_priv(dev); + int irq = ugeth->ug_info->uf_info.irq; + + disable_irq(irq); + ucc_geth_irq_handler(irq, dev); + enable_irq(irq); +} +#endif /* CONFIG_NET_POLL_CONTROLLER */ + /* Called when something needs to use the ethernet device */ /* Returns 0 for success. */ static int ucc_geth_open(struct net_device *dev) @@ -3990,6 +4005,10 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ugeth = netdev_priv(dev); spin_lock_init(&ugeth->lock); + /* Create CQs for hash tables */ + INIT_LIST_HEAD(&ugeth->group_hash_q); + INIT_LIST_HEAD(&ugeth->ind_hash_q); + dev_set_drvdata(device, dev); /* Set the dev->base_addr to the gfar reg region */ @@ -4006,6 +4025,9 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma #ifdef CONFIG_UGETH_NAPI netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, UCC_GETH_DEV_WEIGHT); #endif /* CONFIG_UGETH_NAPI */ +#ifdef CONFIG_NET_POLL_CONTROLLER + dev->poll_controller = ucc_netpoll; +#endif dev->stop = ucc_geth_close; // dev->change_mtu = ucc_geth_change_mtu; dev->mtu = 1500; @@ -4040,9 +4062,10 @@ static int ucc_geth_remove(struct of_device* ofdev) struct net_device *dev = dev_get_drvdata(device); struct ucc_geth_private *ugeth = netdev_priv(dev); - dev_set_drvdata(device, NULL); - ucc_geth_memclean(ugeth); + unregister_netdev(dev); free_netdev(dev); + ucc_geth_memclean(ugeth); + dev_set_drvdata(device, NULL); return 0; } diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c index 33cbc306226c..7e1f00131f91 100644 --- a/drivers/net/usb/rtl8150.c +++ b/drivers/net/usb/rtl8150.c @@ -926,7 +926,6 @@ static int rtl8150_probe(struct usb_interface *intf, netdev->set_multicast_list = rtl8150_set_multicast; netdev->set_mac_address = rtl8150_set_mac_address; netdev->get_stats = rtl8150_netdev_stats; - netdev->mtu = RTL8150_MTU; SET_ETHTOOL_OPS(netdev, &ops); dev->intr_interval = 100; /* 100ms */ diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c index 87c180b563d3..7c851b1e6daa 100644 --- a/drivers/net/via-rhine.c +++ b/drivers/net/via-rhine.c @@ -606,7 +606,7 @@ static int rhine_napipoll(struct napi_struct *napi, int budget) } #endif -static void rhine_hw_init(struct net_device *dev, long pioaddr) +static void __devinit rhine_hw_init(struct net_device *dev, long pioaddr) { struct rhine_private *rp = netdev_priv(dev); diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index 35cd65d6b9ed..8c9fb824cbd4 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -8,7 +8,6 @@ * for 64bit hardware platforms. * * TODO - * Big-endian support * rx_copybreak/alignment * Scatter gather * More testing @@ -681,7 +680,7 @@ static void velocity_rx_reset(struct velocity_info *vptr) * Init state, all RD entries belong to the NIC */ for (i = 0; i < vptr->options.numrx; ++i) - vptr->rd_ring[i].rdesc0.owner = OWNED_BY_NIC; + vptr->rd_ring[i].rdesc0.len |= OWNED_BY_NIC; writew(vptr->options.numrx, ®s->RBRDU); writel(vptr->rd_pool_dma, ®s->RDBaseLo); @@ -777,7 +776,7 @@ static void velocity_init_registers(struct velocity_info *vptr, vptr->int_mask = INT_MASK_DEF; - writel(cpu_to_le32(vptr->rd_pool_dma), ®s->RDBaseLo); + writel(vptr->rd_pool_dma, ®s->RDBaseLo); writew(vptr->options.numrx - 1, ®s->RDCSize); mac_rx_queue_run(regs); mac_rx_queue_wake(regs); @@ -785,7 +784,7 @@ static void velocity_init_registers(struct velocity_info *vptr, writew(vptr->options.numtx - 1, ®s->TDCSize); for (i = 0; i < vptr->num_txq; i++) { - writel(cpu_to_le32(vptr->td_pool_dma[i]), &(regs->TDBaseLo[i])); + writel(vptr->td_pool_dma[i], ®s->TDBaseLo[i]); mac_tx_queue_run(regs, i); } @@ -1195,7 +1194,7 @@ static inline void velocity_give_many_rx_descs(struct velocity_info *vptr) dirty = vptr->rd_dirty - unusable; for (avail = vptr->rd_filled & 0xfffc; avail; avail--) { dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1; - vptr->rd_ring[dirty].rdesc0.owner = OWNED_BY_NIC; + vptr->rd_ring[dirty].rdesc0.len |= OWNED_BY_NIC; } writew(vptr->rd_filled & 0xfffc, ®s->RBRDU); @@ -1210,7 +1209,7 @@ static int velocity_rx_refill(struct velocity_info *vptr) struct rx_desc *rd = vptr->rd_ring + dirty; /* Fine for an all zero Rx desc at init time as well */ - if (rd->rdesc0.owner == OWNED_BY_NIC) + if (rd->rdesc0.len & OWNED_BY_NIC) break; if (!vptr->rd_info[dirty].skb) { @@ -1413,7 +1412,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) if (!vptr->rd_info[rd_curr].skb) break; - if (rd->rdesc0.owner == OWNED_BY_NIC) + if (rd->rdesc0.len & OWNED_BY_NIC) break; rmb(); @@ -1421,7 +1420,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) /* * Don't drop CE or RL error frame although RXOK is off */ - if ((rd->rdesc0.RSR & RSR_RXOK) || (!(rd->rdesc0.RSR & RSR_RXOK) && (rd->rdesc0.RSR & (RSR_CE | RSR_RL)))) { + if (rd->rdesc0.RSR & (RSR_RXOK | RSR_CE | RSR_RL)) { if (velocity_receive_frame(vptr, rd_curr) < 0) stats->rx_dropped++; } else { @@ -1433,7 +1432,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) stats->rx_dropped++; } - rd->inten = 1; + rd->size |= RX_INTEN; vptr->dev->last_rx = jiffies; @@ -1554,7 +1553,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) struct net_device_stats *stats = &vptr->stats; struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]); struct rx_desc *rd = &(vptr->rd_ring[idx]); - int pkt_len = rd->rdesc0.len; + int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff; struct sk_buff *skb; if (rd->rdesc0.RSR & (RSR_STP | RSR_EDP)) { @@ -1637,8 +1636,7 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx) */ *((u32 *) & (rd->rdesc0)) = 0; - rd->len = cpu_to_le32(vptr->rx_buf_sz); - rd->inten = 1; + rd->size = cpu_to_le16(vptr->rx_buf_sz) | RX_INTEN; rd->pa_low = cpu_to_le32(rd_info->skb_dma); rd->pa_high = 0; return 0; @@ -1674,7 +1672,7 @@ static int velocity_tx_srv(struct velocity_info *vptr, u32 status) td = &(vptr->td_rings[qnum][idx]); tdinfo = &(vptr->td_infos[qnum][idx]); - if (td->tdesc0.owner == OWNED_BY_NIC) + if (td->tdesc0.len & OWNED_BY_NIC) break; if ((works++ > 15)) @@ -1874,7 +1872,7 @@ static void velocity_free_tx_buf(struct velocity_info *vptr, struct velocity_td_ for (i = 0; i < tdinfo->nskb_dma; i++) { #ifdef VELOCITY_ZERO_COPY_SUPPORT - pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], td->tdesc1.len, PCI_DMA_TODEVICE); + pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], le16_to_cpu(td->tdesc1.len), PCI_DMA_TODEVICE); #else pci_unmap_single(vptr->pdev, tdinfo->skb_dma[i], skb->len, PCI_DMA_TODEVICE); #endif @@ -2067,8 +2065,8 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) struct velocity_td_info *tdinfo; unsigned long flags; int index; - int pktlen = skb->len; + __le16 len = cpu_to_le16(pktlen); #ifdef VELOCITY_ZERO_COPY_SUPPORT if (skb_shinfo(skb)->nr_frags > 6 && __skb_linearize(skb)) { @@ -2083,9 +2081,8 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) td_ptr = &(vptr->td_rings[qnum][index]); tdinfo = &(vptr->td_infos[qnum][index]); - td_ptr->tdesc1.TCPLS = TCPLS_NORMAL; td_ptr->tdesc1.TCR = TCR0_TIC; - td_ptr->td_buf[0].queue = 0; + td_ptr->td_buf[0].size &= ~TD_QUEUE; /* * Pad short frames. @@ -2093,16 +2090,16 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) if (pktlen < ETH_ZLEN) { /* Cannot occur until ZC support */ pktlen = ETH_ZLEN; + len = cpu_to_le16(ETH_ZLEN); skb_copy_from_linear_data(skb, tdinfo->buf, skb->len); memset(tdinfo->buf + skb->len, 0, ETH_ZLEN - skb->len); tdinfo->skb = skb; tdinfo->skb_dma[0] = tdinfo->buf_dma; - td_ptr->tdesc0.pktsize = pktlen; + td_ptr->tdesc0.len = len; td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; - td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; + td_ptr->td_buf[0].size = len; /* queue is 0 anyway */ tdinfo->nskb_dma = 1; - td_ptr->tdesc1.CMDZ = 2; } else #ifdef VELOCITY_ZERO_COPY_SUPPORT if (skb_shinfo(skb)->nr_frags > 0) { @@ -2111,36 +2108,35 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) if (nfrags > 6) { skb_copy_from_linear_data(skb, tdinfo->buf, skb->len); tdinfo->skb_dma[0] = tdinfo->buf_dma; - td_ptr->tdesc0.pktsize = + td_ptr->tdesc0.len = len; td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; - td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; + td_ptr->td_buf[0].size = len; /* queue is 0 anyway */ tdinfo->nskb_dma = 1; - td_ptr->tdesc1.CMDZ = 2; } else { int i = 0; tdinfo->nskb_dma = 0; - tdinfo->skb_dma[i] = pci_map_single(vptr->pdev, skb->data, skb->len - skb->data_len, PCI_DMA_TODEVICE); + tdinfo->skb_dma[i] = pci_map_single(vptr->pdev, skb->data, + skb_headlen(skb), PCI_DMA_TODEVICE); - td_ptr->tdesc0.pktsize = pktlen; + td_ptr->tdesc0.len = len; /* FIXME: support 48bit DMA later */ td_ptr->td_buf[i].pa_low = cpu_to_le32(tdinfo->skb_dma); td_ptr->td_buf[i].pa_high = 0; - td_ptr->td_buf[i].bufsize = skb->len->skb->data_len; + td_ptr->td_buf[i].size = cpu_to_le16(skb_headlen(skb)); for (i = 0; i < nfrags; i++) { skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; - void *addr = ((void *) page_address(frag->page + frag->page_offset)); + void *addr = (void *)page_address(frag->page) + frag->page_offset; tdinfo->skb_dma[i + 1] = pci_map_single(vptr->pdev, addr, frag->size, PCI_DMA_TODEVICE); td_ptr->td_buf[i + 1].pa_low = cpu_to_le32(tdinfo->skb_dma[i + 1]); td_ptr->td_buf[i + 1].pa_high = 0; - td_ptr->td_buf[i + 1].bufsize = frag->size; + td_ptr->td_buf[i + 1].size = cpu_to_le16(frag->size); } tdinfo->nskb_dma = i - 1; - td_ptr->tdesc1.CMDZ = i; } } else @@ -2152,18 +2148,16 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) */ tdinfo->skb = skb; tdinfo->skb_dma[0] = pci_map_single(vptr->pdev, skb->data, pktlen, PCI_DMA_TODEVICE); - td_ptr->tdesc0.pktsize = pktlen; + td_ptr->tdesc0.len = len; td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); td_ptr->td_buf[0].pa_high = 0; - td_ptr->td_buf[0].bufsize = td_ptr->tdesc0.pktsize; + td_ptr->td_buf[0].size = len; tdinfo->nskb_dma = 1; - td_ptr->tdesc1.CMDZ = 2; } + td_ptr->tdesc1.cmd = TCPLS_NORMAL + (tdinfo->nskb_dma + 1) * 16; if (vptr->vlgrp && vlan_tx_tag_present(skb)) { - td_ptr->tdesc1.pqinf.VID = vlan_tx_tag_get(skb); - td_ptr->tdesc1.pqinf.priority = 0; - td_ptr->tdesc1.pqinf.CFI = 0; + td_ptr->tdesc1.vlan = cpu_to_le16(vlan_tx_tag_get(skb)); td_ptr->tdesc1.TCR |= TCR0_VETAG; } @@ -2185,7 +2179,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) if (prev < 0) prev = vptr->options.numtx - 1; - td_ptr->tdesc0.owner = OWNED_BY_NIC; + td_ptr->tdesc0.len |= OWNED_BY_NIC; vptr->td_used[qnum]++; vptr->td_curr[qnum] = (index + 1) % vptr->options.numtx; @@ -2193,7 +2187,7 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) netif_stop_queue(dev); td_ptr = &(vptr->td_rings[qnum][prev]); - td_ptr->td_buf[0].queue = 1; + td_ptr->td_buf[0].size |= TD_QUEUE; mac_tx_queue_wake(vptr->mac_regs, qnum); } dev->trans_start = jiffies; @@ -3410,7 +3404,7 @@ static int velocity_suspend(struct pci_dev *pdev, pm_message_t state) velocity_save_context(vptr, &vptr->context); velocity_shutdown(vptr); velocity_set_wol(vptr); - pci_enable_wake(pdev, 3, 1); + pci_enable_wake(pdev, PCI_D3hot, 1); pci_set_power_state(pdev, PCI_D3hot); } else { velocity_save_context(vptr, &vptr->context); diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h index aa9179623d90..7387be4f428d 100644 --- a/drivers/net/via-velocity.h +++ b/drivers/net/via-velocity.h @@ -70,40 +70,27 @@ * Bits in the RSR0 register */ -#define RSR_DETAG 0x0080 -#define RSR_SNTAG 0x0040 -#define RSR_RXER 0x0020 -#define RSR_RL 0x0010 -#define RSR_CE 0x0008 -#define RSR_FAE 0x0004 -#define RSR_CRC 0x0002 -#define RSR_VIDM 0x0001 +#define RSR_DETAG cpu_to_le16(0x0080) +#define RSR_SNTAG cpu_to_le16(0x0040) +#define RSR_RXER cpu_to_le16(0x0020) +#define RSR_RL cpu_to_le16(0x0010) +#define RSR_CE cpu_to_le16(0x0008) +#define RSR_FAE cpu_to_le16(0x0004) +#define RSR_CRC cpu_to_le16(0x0002) +#define RSR_VIDM cpu_to_le16(0x0001) /* * Bits in the RSR1 register */ -#define RSR_RXOK 0x8000 // rx OK -#define RSR_PFT 0x4000 // Perfect filtering address match -#define RSR_MAR 0x2000 // MAC accept multicast address packet -#define RSR_BAR 0x1000 // MAC accept broadcast address packet -#define RSR_PHY 0x0800 // MAC accept physical address packet -#define RSR_VTAG 0x0400 // 802.1p/1q tagging packet indicator -#define RSR_STP 0x0200 // start of packet -#define RSR_EDP 0x0100 // end of packet - -/* - * Bits in the RSR1 register - */ - -#define RSR1_RXOK 0x80 // rx OK -#define RSR1_PFT 0x40 // Perfect filtering address match -#define RSR1_MAR 0x20 // MAC accept multicast address packet -#define RSR1_BAR 0x10 // MAC accept broadcast address packet -#define RSR1_PHY 0x08 // MAC accept physical address packet -#define RSR1_VTAG 0x04 // 802.1p/1q tagging packet indicator -#define RSR1_STP 0x02 // start of packet -#define RSR1_EDP 0x01 // end of packet +#define RSR_RXOK cpu_to_le16(0x8000) // rx OK +#define RSR_PFT cpu_to_le16(0x4000) // Perfect filtering address match +#define RSR_MAR cpu_to_le16(0x2000) // MAC accept multicast address packet +#define RSR_BAR cpu_to_le16(0x1000) // MAC accept broadcast address packet +#define RSR_PHY cpu_to_le16(0x0800) // MAC accept physical address packet +#define RSR_VTAG cpu_to_le16(0x0400) // 802.1p/1q tagging packet indicator +#define RSR_STP cpu_to_le16(0x0200) // start of packet +#define RSR_EDP cpu_to_le16(0x0100) // end of packet /* * Bits in the CSM register @@ -120,33 +107,21 @@ * Bits in the TSR0 register */ -#define TSR0_ABT 0x0080 // Tx abort because of excessive collision -#define TSR0_OWT 0x0040 // Jumbo frame Tx abort -#define TSR0_OWC 0x0020 // Out of window collision -#define TSR0_COLS 0x0010 // experience collision in this transmit event -#define TSR0_NCR3 0x0008 // collision retry counter[3] -#define TSR0_NCR2 0x0004 // collision retry counter[2] -#define TSR0_NCR1 0x0002 // collision retry counter[1] -#define TSR0_NCR0 0x0001 // collision retry counter[0] -#define TSR0_TERR 0x8000 // -#define TSR0_FDX 0x4000 // current transaction is serviced by full duplex mode -#define TSR0_GMII 0x2000 // current transaction is serviced by GMII mode -#define TSR0_LNKFL 0x1000 // packet serviced during link down -#define TSR0_SHDN 0x0400 // shutdown case -#define TSR0_CRS 0x0200 // carrier sense lost -#define TSR0_CDH 0x0100 // AQE test fail (CD heartbeat) - -/* - * Bits in the TSR1 register - */ - -#define TSR1_TERR 0x80 // -#define TSR1_FDX 0x40 // current transaction is serviced by full duplex mode -#define TSR1_GMII 0x20 // current transaction is serviced by GMII mode -#define TSR1_LNKFL 0x10 // packet serviced during link down -#define TSR1_SHDN 0x04 // shutdown case -#define TSR1_CRS 0x02 // carrier sense lost -#define TSR1_CDH 0x01 // AQE test fail (CD heartbeat) +#define TSR0_ABT cpu_to_le16(0x0080) // Tx abort because of excessive collision +#define TSR0_OWT cpu_to_le16(0x0040) // Jumbo frame Tx abort +#define TSR0_OWC cpu_to_le16(0x0020) // Out of window collision +#define TSR0_COLS cpu_to_le16(0x0010) // experience collision in this transmit event +#define TSR0_NCR3 cpu_to_le16(0x0008) // collision retry counter[3] +#define TSR0_NCR2 cpu_to_le16(0x0004) // collision retry counter[2] +#define TSR0_NCR1 cpu_to_le16(0x0002) // collision retry counter[1] +#define TSR0_NCR0 cpu_to_le16(0x0001) // collision retry counter[0] +#define TSR0_TERR cpu_to_le16(0x8000) // +#define TSR0_FDX cpu_to_le16(0x4000) // current transaction is serviced by full duplex mode +#define TSR0_GMII cpu_to_le16(0x2000) // current transaction is serviced by GMII mode +#define TSR0_LNKFL cpu_to_le16(0x1000) // packet serviced during link down +#define TSR0_SHDN cpu_to_le16(0x0400) // shutdown case +#define TSR0_CRS cpu_to_le16(0x0200) // carrier sense lost +#define TSR0_CDH cpu_to_le16(0x0100) // AQE test fail (CD heartbeat) // // Bits in the TCR0 register @@ -197,25 +172,26 @@ */ struct rdesc0 { - u16 RSR; /* Receive status */ - u16 len:14; /* Received packet length */ - u16 reserved:1; - u16 owner:1; /* Who owns this buffer ? */ + __le16 RSR; /* Receive status */ + __le16 len; /* bits 0--13; bit 15 - owner */ }; struct rdesc1 { - u16 PQTAG; + __le16 PQTAG; u8 CSM; u8 IPKT; }; +enum { + RX_INTEN = __constant_cpu_to_le16(0x8000) +}; + struct rx_desc { struct rdesc0 rdesc0; struct rdesc1 rdesc1; - u32 pa_low; /* Low 32 bit PCI address */ - u16 pa_high; /* Next 16 bit PCI address (48 total) */ - u16 len:15; /* Frame size */ - u16 inten:1; /* Enable interrupt */ + __le32 pa_low; /* Low 32 bit PCI address */ + __le16 pa_high; /* Next 16 bit PCI address (48 total) */ + __le16 size; /* bits 0--14 - frame size, bit 15 - enable int. */ } __attribute__ ((__packed__)); /* @@ -223,32 +199,24 @@ struct rx_desc { */ struct tdesc0 { - u16 TSR; /* Transmit status register */ - u16 pktsize:14; /* Size of frame */ - u16 reserved:1; - u16 owner:1; /* Who owns the buffer */ + __le16 TSR; /* Transmit status register */ + __le16 len; /* bits 0--13 - size of frame, bit 15 - owner */ }; -struct pqinf { /* Priority queue info */ - u16 VID:12; - u16 CFI:1; - u16 priority:3; -} __attribute__ ((__packed__)); - struct tdesc1 { - struct pqinf pqinf; + __le16 vlan; u8 TCR; - u8 TCPLS:2; - u8 reserved:2; - u8 CMDZ:4; + u8 cmd; /* bits 0--1 - TCPLS, bits 4--7 - CMDZ */ } __attribute__ ((__packed__)); +enum { + TD_QUEUE = __constant_cpu_to_le16(0x8000) +}; + struct td_buf { - u32 pa_low; - u16 pa_high; - u16 bufsize:14; - u16 reserved:1; - u16 queue:1; + __le32 pa_low; + __le16 pa_high; + __le16 size; /* bits 0--13 - size, bit 15 - queue */ } __attribute__ ((__packed__)); struct tx_desc { @@ -276,7 +244,7 @@ struct velocity_td_info { enum velocity_owner { OWNED_BY_HOST = 0, - OWNED_BY_NIC = 1 + OWNED_BY_NIC = __constant_cpu_to_le16(0x8000) }; @@ -1012,45 +980,45 @@ struct mac_regs { volatile u8 RCR; volatile u8 TCR; - volatile u32 CR0Set; /* 0x08 */ - volatile u32 CR0Clr; /* 0x0C */ + volatile __le32 CR0Set; /* 0x08 */ + volatile __le32 CR0Clr; /* 0x0C */ volatile u8 MARCAM[8]; /* 0x10 */ - volatile u32 DecBaseHi; /* 0x18 */ - volatile u16 DbfBaseHi; /* 0x1C */ - volatile u16 reserved_1E; + volatile __le32 DecBaseHi; /* 0x18 */ + volatile __le16 DbfBaseHi; /* 0x1C */ + volatile __le16 reserved_1E; - volatile u16 ISRCTL; /* 0x20 */ + volatile __le16 ISRCTL; /* 0x20 */ volatile u8 TXESR; volatile u8 RXESR; - volatile u32 ISR; /* 0x24 */ - volatile u32 IMR; + volatile __le32 ISR; /* 0x24 */ + volatile __le32 IMR; - volatile u32 TDStatusPort; /* 0x2C */ + volatile __le32 TDStatusPort; /* 0x2C */ - volatile u16 TDCSRSet; /* 0x30 */ + volatile __le16 TDCSRSet; /* 0x30 */ volatile u8 RDCSRSet; volatile u8 reserved_33; - volatile u16 TDCSRClr; + volatile __le16 TDCSRClr; volatile u8 RDCSRClr; volatile u8 reserved_37; - volatile u32 RDBaseLo; /* 0x38 */ - volatile u16 RDIdx; /* 0x3C */ - volatile u16 reserved_3E; + volatile __le32 RDBaseLo; /* 0x38 */ + volatile __le16 RDIdx; /* 0x3C */ + volatile __le16 reserved_3E; - volatile u32 TDBaseLo[4]; /* 0x40 */ + volatile __le32 TDBaseLo[4]; /* 0x40 */ - volatile u16 RDCSize; /* 0x50 */ - volatile u16 TDCSize; /* 0x52 */ - volatile u16 TDIdx[4]; /* 0x54 */ - volatile u16 tx_pause_timer; /* 0x5C */ - volatile u16 RBRDU; /* 0x5E */ + volatile __le16 RDCSize; /* 0x50 */ + volatile __le16 TDCSize; /* 0x52 */ + volatile __le16 TDIdx[4]; /* 0x54 */ + volatile __le16 tx_pause_timer; /* 0x5C */ + volatile __le16 RBRDU; /* 0x5E */ - volatile u32 FIFOTest0; /* 0x60 */ - volatile u32 FIFOTest1; /* 0x64 */ + volatile __le32 FIFOTest0; /* 0x60 */ + volatile __le32 FIFOTest1; /* 0x64 */ volatile u8 CAMADDR; /* 0x68 */ volatile u8 CAMCR; /* 0x69 */ @@ -1063,18 +1031,18 @@ struct mac_regs { volatile u8 PHYSR1; volatile u8 MIICR; volatile u8 MIIADR; - volatile u16 MIIDATA; + volatile __le16 MIIDATA; - volatile u16 SoftTimer0; /* 0x74 */ - volatile u16 SoftTimer1; + volatile __le16 SoftTimer0; /* 0x74 */ + volatile __le16 SoftTimer1; volatile u8 CFGA; /* 0x78 */ volatile u8 CFGB; volatile u8 CFGC; volatile u8 CFGD; - volatile u16 DCFG; /* 0x7C */ - volatile u16 MCFG; + volatile __le16 DCFG; /* 0x7C */ + volatile __le16 MCFG; volatile u8 TBIST; /* 0x80 */ volatile u8 RBIST; @@ -1086,9 +1054,9 @@ struct mac_regs { volatile u8 rev_id; volatile u8 PORSTS; - volatile u32 MIBData; /* 0x88 */ + volatile __le32 MIBData; /* 0x88 */ - volatile u16 EEWrData; + volatile __le16 EEWrData; volatile u8 reserved_8E; volatile u8 BPMDWr; @@ -1098,7 +1066,7 @@ struct mac_regs { volatile u8 EECHKSUM; /* 0x92 */ volatile u8 EECSR; - volatile u16 EERdData; /* 0x94 */ + volatile __le16 EERdData; /* 0x94 */ volatile u8 EADDR; volatile u8 EMBCMD; @@ -1112,22 +1080,22 @@ struct mac_regs { volatile u8 DEBUG; volatile u8 CHIPGCR; - volatile u16 WOLCRSet; /* 0xA0 */ + volatile __le16 WOLCRSet; /* 0xA0 */ volatile u8 PWCFGSet; volatile u8 WOLCFGSet; - volatile u16 WOLCRClr; /* 0xA4 */ + volatile __le16 WOLCRClr; /* 0xA4 */ volatile u8 PWCFGCLR; volatile u8 WOLCFGClr; - volatile u16 WOLSRSet; /* 0xA8 */ - volatile u16 reserved_AA; + volatile __le16 WOLSRSet; /* 0xA8 */ + volatile __le16 reserved_AA; - volatile u16 WOLSRClr; /* 0xAC */ - volatile u16 reserved_AE; + volatile __le16 WOLSRClr; /* 0xAC */ + volatile __le16 reserved_AE; - volatile u16 PatternCRC[8]; /* 0xB0 */ - volatile u32 ByteMask[4][4]; /* 0xC0 */ + volatile __le16 PatternCRC[8]; /* 0xB0 */ + volatile __le32 ByteMask[4][4]; /* 0xC0 */ } __attribute__ ((__packed__)); @@ -1238,12 +1206,12 @@ typedef u8 MCAM_ADDR[ETH_ALEN]; struct arp_packet { u8 dest_mac[ETH_ALEN]; u8 src_mac[ETH_ALEN]; - u16 type; - u16 ar_hrd; - u16 ar_pro; + __be16 type; + __be16 ar_hrd; + __be16 ar_pro; u8 ar_hln; u8 ar_pln; - u16 ar_op; + __be16 ar_op; u8 ar_sha[ETH_ALEN]; u8 ar_sip[4]; u8 ar_tha[ETH_ALEN]; @@ -1253,7 +1221,7 @@ struct arp_packet { struct _magic_packet { u8 dest_mac[6]; u8 src_mac[6]; - u16 type; + __be16 type; u8 MAC[16][6]; u8 password[6]; } __attribute__ ((__packed__)); diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index d6599d219193..ddc87149fe31 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -153,7 +153,7 @@ static int ath5k_pci_resume(struct pci_dev *pdev); #define ath5k_pci_resume NULL #endif /* CONFIG_PM */ -static struct pci_driver ath5k_pci_drv_id = { +static struct pci_driver ath5k_pci_driver = { .name = "ath5k_pci", .id_table = ath5k_pci_id_table, .probe = ath5k_pci_probe, @@ -329,7 +329,7 @@ init_ath5k_pci(void) ath5k_debug_init(); - ret = pci_register_driver(&ath5k_pci_drv_id); + ret = pci_register_driver(&ath5k_pci_driver); if (ret) { printk(KERN_ERR "ath5k_pci: can't register pci driver\n"); return ret; @@ -341,7 +341,7 @@ init_ath5k_pci(void) static void __exit exit_ath5k_pci(void) { - pci_unregister_driver(&ath5k_pci_drv_id); + pci_unregister_driver(&ath5k_pci_driver); ath5k_debug_finish(); } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 4fdeb5323248..8d4d91d35fd2 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -238,9 +238,10 @@ void iwl3945_hw_rx_statistics(struct iwl3945_priv *priv, struct iwl3945_rx_mem_b priv->last_statistics_time = jiffies; } -void iwl3945_add_radiotap(struct iwl3945_priv *priv, struct sk_buff *skb, - struct iwl3945_rx_frame_hdr *rx_hdr, - struct ieee80211_rx_status *stats) +static void iwl3945_add_radiotap(struct iwl3945_priv *priv, + struct sk_buff *skb, + struct iwl3945_rx_frame_hdr *rx_hdr, + struct ieee80211_rx_status *stats) { /* First cache any information we need before we overwrite * the information provided in the skb from the hardware */ diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index 569347ff377b..d727de8b96fe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -4658,17 +4658,30 @@ void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index, struct ieee80211_ht_info *sta_ht_inf) { __le32 sta_flags; + u8 mimo_ps_mode; if (!sta_ht_inf || !sta_ht_inf->ht_supported) goto done; + mimo_ps_mode = (sta_ht_inf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2; + sta_flags = priv->stations[index].sta.station_flags; - if (((sta_ht_inf->cap & IEEE80211_HT_CAP_MIMO_PS >> 2)) - == IWL_MIMO_PS_DYNAMIC) + sta_flags &= ~(STA_FLG_RTS_MIMO_PROT_MSK | STA_FLG_MIMO_DIS_MSK); + + switch (mimo_ps_mode) { + case WLAN_HT_CAP_MIMO_PS_STATIC: + sta_flags |= STA_FLG_MIMO_DIS_MSK; + break; + case WLAN_HT_CAP_MIMO_PS_DYNAMIC: sta_flags |= STA_FLG_RTS_MIMO_PROT_MSK; - else - sta_flags &= ~STA_FLG_RTS_MIMO_PROT_MSK; + break; + case WLAN_HT_CAP_MIMO_PS_DISABLED: + break; + default: + IWL_WARNING("Invalid MIMO PS mode %d", mimo_ps_mode); + break; + } sta_flags |= cpu_to_le32( (u32)sta_ht_inf->ampdu_factor << STA_FLG_MAX_AGG_SIZE_POS); @@ -4679,7 +4692,7 @@ void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index, if (iwl4965_is_fat_tx_allowed(priv, sta_ht_inf)) sta_flags |= STA_FLG_FAT_EN_MSK; else - sta_flags &= (~STA_FLG_FAT_EN_MSK); + sta_flags &= ~STA_FLG_FAT_EN_MSK; priv->stations[index].sta.station_flags = sta_flags; done: diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h index cb009f4c401f..8993cca81b40 100644 --- a/drivers/net/wireless/iwlwifi/iwl-helpers.h +++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h @@ -147,9 +147,6 @@ static inline struct ieee80211_conf *ieee80211_get_hw_conf( #define QOS_CONTROL_LEN 2 -#define IEEE80211_STYPE_BACK_REQ 0x0080 -#define IEEE80211_STYPE_BACK 0x0090 - static inline int ieee80211_is_management(u16 fc) { diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 33239f197984..f55c75712b55 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -6330,6 +6330,11 @@ static int __iwl3945_up(struct iwl3945_priv *priv) return -ENODEV; } + if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { + IWL_ERROR("ucode not available for device bringup\n"); + return -EIO; + } + /* If platform's RF_KILL switch is NOT set to KILL */ if (iwl3945_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) @@ -6342,11 +6347,6 @@ static int __iwl3945_up(struct iwl3945_priv *priv) } } - if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { - IWL_ERROR("ucode not available for device bringup\n"); - return -EIO; - } - iwl3945_write32(priv, CSR_INT, 0xFFFFFFFF); rc = iwl3945_hw_nic_init(priv); diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c index bf3a60c037aa..f423241b9567 100644 --- a/drivers/net/wireless/iwlwifi/iwl4965-base.c +++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c @@ -6755,6 +6755,11 @@ static int __iwl4965_up(struct iwl4965_priv *priv) return -ENODEV; } + if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { + IWL_ERROR("ucode not available for device bringup\n"); + return -EIO; + } + /* If platform's RF_KILL switch is NOT set to KILL */ if (iwl4965_read32(priv, CSR_GP_CNTRL) & CSR_GP_CNTRL_REG_FLAG_HW_RF_KILL_SW) @@ -6767,11 +6772,6 @@ static int __iwl4965_up(struct iwl4965_priv *priv) } } - if (!priv->ucode_data_backup.v_addr || !priv->ucode_data.v_addr) { - IWL_ERROR("ucode not available for device bringup\n"); - return -EIO; - } - iwl4965_write32(priv, CSR_INT, 0xFFFFFFFF); rc = iwl4965_hw_nic_init(priv); diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile index f697f3d728eb..9f04d17576d6 100644 --- a/drivers/pci/Makefile +++ b/drivers/pci/Makefile @@ -13,6 +13,9 @@ obj-$(CONFIG_HOTPLUG) += hotplug.o # Build the PCI Hotplug drivers if we were asked to obj-$(CONFIG_HOTPLUG_PCI) += hotplug/ +ifdef CONFIG_HOTPLUG_PCI +obj-y += hotplug-pci.o +endif # Build the PCI MSI interrupt support obj-$(CONFIG_PCI_MSI) += msi.o diff --git a/drivers/pci/hotplug-pci.c b/drivers/pci/hotplug-pci.c new file mode 100644 index 000000000000..a590ef682153 --- /dev/null +++ b/drivers/pci/hotplug-pci.c @@ -0,0 +1,20 @@ +/* Core PCI functionality used only by PCI hotplug */ + +#include <linux/pci.h> +#include "pci.h" + + +unsigned int pci_do_scan_bus(struct pci_bus *bus) +{ + unsigned int max; + + max = pci_scan_child_bus(bus); + + /* + * Make the discovered devices available. + */ + pci_bus_add_devices(bus); + + return max; +} +EXPORT_SYMBOL(pci_do_scan_bus); diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index abf4203304e4..8dcf1458aa2f 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -21,7 +21,6 @@ #include <linux/topology.h> #include <linux/mm.h> #include <linux/capability.h> -#include <linux/aspm.h> #include "pci.h" static int sysfs_initialized; /* = 0 */ @@ -651,8 +650,6 @@ int __must_check pci_create_sysfs_dev_files (struct pci_dev *pdev) if (pcibios_add_platform_entries(pdev)) goto err_rom_file; - pcie_aspm_create_sysfs_dev_files(pdev); - return 0; err_rom_file: @@ -682,8 +679,6 @@ void pci_remove_sysfs_dev_files(struct pci_dev *pdev) if (!sysfs_initialized) return; - pcie_aspm_remove_sysfs_dev_files(pdev); - if (pdev->cfg_size < 4096) sysfs_remove_bin_file(&pdev->dev.kobj, &pci_config_attr); else diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b3e9294e4a0e..04aac7782468 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -18,7 +18,6 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/log2.h> -#include <linux/aspm.h> #include <asm/dma.h> /* isa_dma_bridge_buggy */ #include "pci.h" @@ -520,9 +519,6 @@ pci_set_power_state(struct pci_dev *dev, pci_power_t state) if (need_restore) pci_restore_bars(dev); - if (dev->bus->self) - pcie_aspm_pm_state_change(dev->bus->self); - return 0; } diff --git a/drivers/pci/pcie/Kconfig b/drivers/pci/pcie/Kconfig index 60104cf98796..287a9311716c 100644 --- a/drivers/pci/pcie/Kconfig +++ b/drivers/pci/pcie/Kconfig @@ -26,23 +26,3 @@ config HOTPLUG_PCI_PCIE When in doubt, say N. source "drivers/pci/pcie/aer/Kconfig" - -# -# PCI Express ASPM -# -config PCIEASPM - bool "PCI Express ASPM support(Experimental)" - depends on PCI && EXPERIMENTAL - default y - help - This enables PCI Express ASPM (Active State Power Management) and - Clock Power Management. ASPM supports state L0/L0s/L1. - - When in doubt, say N. -config PCIEASPM_DEBUG - bool "Debug PCI Express ASPM" - depends on PCIEASPM - default n - help - This enables PCI Express ASPM debug support. It will add per-device - interface to control ASPM. diff --git a/drivers/pci/pcie/Makefile b/drivers/pci/pcie/Makefile index 11f6bb1eae24..e00fb99acf44 100644 --- a/drivers/pci/pcie/Makefile +++ b/drivers/pci/pcie/Makefile @@ -2,9 +2,6 @@ # Makefile for PCI-Express PORT Driver # -# Build PCI Express ASPM if needed -obj-$(CONFIG_PCIEASPM) += aspm.o - pcieportdrv-y := portdrv_core.o portdrv_pci.o portdrv_bus.o obj-$(CONFIG_PCIEPORTBUS) += pcieportdrv.o diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c deleted file mode 100644 index 1a5adeb10c95..000000000000 --- a/drivers/pci/pcie/aspm.c +++ /dev/null @@ -1,802 +0,0 @@ -/* - * File: drivers/pci/pcie/aspm.c - * Enabling PCIE link L0s/L1 state and Clock Power Management - * - * Copyright (C) 2007 Intel - * Copyright (C) Zhang Yanmin (yanmin.zhang@intel.com) - * Copyright (C) Shaohua Li (shaohua.li@intel.com) - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/pci.h> -#include <linux/pci_regs.h> -#include <linux/errno.h> -#include <linux/pm.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/aspm.h> -#include <acpi/acpi_bus.h> -#include <linux/pci-acpi.h> -#include "../pci.h" - -#ifdef MODULE_PARAM_PREFIX -#undef MODULE_PARAM_PREFIX -#endif -#define MODULE_PARAM_PREFIX "pcie_aspm." - -struct endpoint_state { - unsigned int l0s_acceptable_latency; - unsigned int l1_acceptable_latency; -}; - -struct pcie_link_state { - struct list_head sibiling; - struct pci_dev *pdev; - - /* ASPM state */ - unsigned int support_state; - unsigned int enabled_state; - unsigned int bios_aspm_state; - /* upstream component */ - unsigned int l0s_upper_latency; - unsigned int l1_upper_latency; - /* downstream component */ - unsigned int l0s_down_latency; - unsigned int l1_down_latency; - /* Clock PM state*/ - unsigned int clk_pm_capable; - unsigned int clk_pm_enabled; - unsigned int bios_clk_state; - - /* - * A pcie downstream port only has one slot under it, so at most there - * are 8 functions - */ - struct endpoint_state endpoints[8]; -}; - -static int aspm_disabled; -static DEFINE_MUTEX(aspm_lock); -static LIST_HEAD(link_list); - -#define POLICY_DEFAULT 0 /* BIOS default setting */ -#define POLICY_PERFORMANCE 1 /* high performance */ -#define POLICY_POWERSAVE 2 /* high power saving */ -static int aspm_policy; -static const char *policy_str[] = { - [POLICY_DEFAULT] = "default", - [POLICY_PERFORMANCE] = "performance", - [POLICY_POWERSAVE] = "powersave" -}; - -static int policy_to_aspm_state(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - switch (aspm_policy) { - case POLICY_PERFORMANCE: - /* Disable ASPM and Clock PM */ - return 0; - case POLICY_POWERSAVE: - /* Enable ASPM L0s/L1 */ - return PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1; - case POLICY_DEFAULT: - return link_state->bios_aspm_state; - } - return 0; -} - -static int policy_to_clkpm_state(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - switch (aspm_policy) { - case POLICY_PERFORMANCE: - /* Disable ASPM and Clock PM */ - return 0; - case POLICY_POWERSAVE: - /* Disable Clock PM */ - return 1; - case POLICY_DEFAULT: - return link_state->bios_clk_state; - } - return 0; -} - -static void pcie_set_clock_pm(struct pci_dev *pdev, int enable) -{ - struct pci_dev *child_dev; - int pos; - u16 reg16; - struct pcie_link_state *link_state = pdev->link_state; - - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - if (!pos) - return; - pci_read_config_word(child_dev, pos + PCI_EXP_LNKCTL, ®16); - if (enable) - reg16 |= PCI_EXP_LNKCTL_CLKREQ_EN; - else - reg16 &= ~PCI_EXP_LNKCTL_CLKREQ_EN; - pci_write_config_word(child_dev, pos + PCI_EXP_LNKCTL, reg16); - } - link_state->clk_pm_enabled = !!enable; -} - -static void pcie_check_clock_pm(struct pci_dev *pdev) -{ - int pos; - u32 reg32; - u16 reg16; - int capable = 1, enabled = 1; - struct pci_dev *child_dev; - struct pcie_link_state *link_state = pdev->link_state; - - /* All functions should have the same cap and state, take the worst */ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - if (!pos) - return; - pci_read_config_dword(child_dev, pos + PCI_EXP_LNKCAP, ®32); - if (!(reg32 & PCI_EXP_LNKCAP_CLKPM)) { - capable = 0; - enabled = 0; - break; - } - pci_read_config_word(child_dev, pos + PCI_EXP_LNKCTL, ®16); - if (!(reg16 & PCI_EXP_LNKCTL_CLKREQ_EN)) - enabled = 0; - } - link_state->clk_pm_capable = capable; - link_state->clk_pm_enabled = enabled; - link_state->bios_clk_state = enabled; - pcie_set_clock_pm(pdev, policy_to_clkpm_state(pdev)); -} - -/* - * pcie_aspm_configure_common_clock: check if the 2 ends of a link - * could use common clock. If they are, configure them to use the - * common clock. That will reduce the ASPM state exit latency. - */ -static void pcie_aspm_configure_common_clock(struct pci_dev *pdev) -{ - int pos, child_pos; - u16 reg16 = 0; - struct pci_dev *child_dev; - int same_clock = 1; - - /* - * all functions of a slot should have the same Slot Clock - * Configuration, so just check one function - * */ - child_dev = list_entry(pdev->subordinate->devices.next, struct pci_dev, - bus_list); - BUG_ON(!child_dev->is_pcie); - - /* Check downstream component if bit Slot Clock Configuration is 1 */ - child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_SLC)) - same_clock = 0; - - /* Check upstream component if bit Slot Clock Configuration is 1 */ - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_SLC)) - same_clock = 0; - - /* Configure downstream component, all functions */ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - child_pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - pci_read_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, - ®16); - if (same_clock) - reg16 |= PCI_EXP_LNKCTL_CCC; - else - reg16 &= ~PCI_EXP_LNKCTL_CCC; - pci_write_config_word(child_dev, child_pos + PCI_EXP_LNKCTL, - reg16); - } - - /* Configure upstream component */ - pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); - if (same_clock) - reg16 |= PCI_EXP_LNKCTL_CCC; - else - reg16 &= ~PCI_EXP_LNKCTL_CCC; - pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); - - /* retrain link */ - reg16 |= PCI_EXP_LNKCTL_RL; - pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); - - /* Wait for link training end */ - while (1) { - pci_read_config_word(pdev, pos + PCI_EXP_LNKSTA, ®16); - if (!(reg16 & PCI_EXP_LNKSTA_LT)) - break; - cpu_relax(); - } -} - -/* - * calc_L0S_latency: Convert L0s latency encoding to ns - */ -static unsigned int calc_L0S_latency(unsigned int latency_encoding, int ac) -{ - unsigned int ns = 64; - - if (latency_encoding == 0x7) { - if (ac) - ns = -1U; - else - ns = 5*1000; /* > 4us */ - } else - ns *= (1 << latency_encoding); - return ns; -} - -/* - * calc_L1_latency: Convert L1 latency encoding to ns - */ -static unsigned int calc_L1_latency(unsigned int latency_encoding, int ac) -{ - unsigned int ns = 1000; - - if (latency_encoding == 0x7) { - if (ac) - ns = -1U; - else - ns = 65*1000; /* > 64us */ - } else - ns *= (1 << latency_encoding); - return ns; -} - -static void pcie_aspm_get_cap_device(struct pci_dev *pdev, u32 *state, - unsigned int *l0s, unsigned int *l1, unsigned int *enabled) -{ - int pos; - u16 reg16; - u32 reg32; - unsigned int latency; - - pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - pci_read_config_dword(pdev, pos + PCI_EXP_LNKCAP, ®32); - *state = (reg32 & PCI_EXP_LNKCAP_ASPMS) >> 10; - if (*state != PCIE_LINK_STATE_L0S && - *state != (PCIE_LINK_STATE_L1|PCIE_LINK_STATE_L0S)) - * state = 0; - if (*state == 0) - return; - - latency = (reg32 & PCI_EXP_LNKCAP_L0SEL) >> 12; - *l0s = calc_L0S_latency(latency, 0); - if (*state & PCIE_LINK_STATE_L1) { - latency = (reg32 & PCI_EXP_LNKCAP_L1EL) >> 15; - *l1 = calc_L1_latency(latency, 0); - } - pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); - *enabled = reg16 & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1); -} - -static void pcie_aspm_cap_init(struct pci_dev *pdev) -{ - struct pci_dev *child_dev; - u32 state, tmp; - struct pcie_link_state *link_state = pdev->link_state; - - /* upstream component states */ - pcie_aspm_get_cap_device(pdev, &link_state->support_state, - &link_state->l0s_upper_latency, - &link_state->l1_upper_latency, - &link_state->enabled_state); - /* downstream component states, all functions have the same setting */ - child_dev = list_entry(pdev->subordinate->devices.next, struct pci_dev, - bus_list); - pcie_aspm_get_cap_device(child_dev, &state, - &link_state->l0s_down_latency, - &link_state->l1_down_latency, - &tmp); - link_state->support_state &= state; - if (!link_state->support_state) - return; - link_state->enabled_state &= link_state->support_state; - link_state->bios_aspm_state = link_state->enabled_state; - - /* ENDPOINT states*/ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - int pos; - u32 reg32; - unsigned int latency; - struct endpoint_state *ep_state = - &link_state->endpoints[PCI_FUNC(child_dev->devfn)]; - - if (child_dev->pcie_type != PCI_EXP_TYPE_ENDPOINT && - child_dev->pcie_type != PCI_EXP_TYPE_LEG_END) - continue; - - pos = pci_find_capability(child_dev, PCI_CAP_ID_EXP); - pci_read_config_dword(child_dev, pos + PCI_EXP_DEVCAP, ®32); - latency = (reg32 & PCI_EXP_DEVCAP_L0S) >> 6; - latency = calc_L0S_latency(latency, 1); - ep_state->l0s_acceptable_latency = latency; - if (link_state->support_state & PCIE_LINK_STATE_L1) { - latency = (reg32 & PCI_EXP_DEVCAP_L1) >> 9; - latency = calc_L1_latency(latency, 1); - ep_state->l1_acceptable_latency = latency; - } - } -} - -static unsigned int __pcie_aspm_check_state_one(struct pci_dev *pdev, - unsigned int state) -{ - struct pci_dev *parent_dev, *tmp_dev; - unsigned int latency, l1_latency = 0; - struct pcie_link_state *link_state; - struct endpoint_state *ep_state; - - parent_dev = pdev->bus->self; - link_state = parent_dev->link_state; - state &= link_state->support_state; - if (state == 0) - return 0; - ep_state = &link_state->endpoints[PCI_FUNC(pdev->devfn)]; - - /* - * Check latency for endpoint device. - * TBD: The latency from the endpoint to root complex vary per - * switch's upstream link state above the device. Here we just do a - * simple check which assumes all links above the device can be in L1 - * state, that is we just consider the worst case. If switch's upstream - * link can't be put into L0S/L1, then our check is too strictly. - */ - tmp_dev = pdev; - while (state & (PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1)) { - parent_dev = tmp_dev->bus->self; - link_state = parent_dev->link_state; - if (state & PCIE_LINK_STATE_L0S) { - latency = max_t(unsigned int, - link_state->l0s_upper_latency, - link_state->l0s_down_latency); - if (latency > ep_state->l0s_acceptable_latency) - state &= ~PCIE_LINK_STATE_L0S; - } - if (state & PCIE_LINK_STATE_L1) { - latency = max_t(unsigned int, - link_state->l1_upper_latency, - link_state->l1_down_latency); - if (latency + l1_latency > - ep_state->l1_acceptable_latency) - state &= ~PCIE_LINK_STATE_L1; - } - if (!parent_dev->bus->self) /* parent_dev is a root port */ - break; - else { - /* - * parent_dev is the downstream port of a switch, make - * tmp_dev the upstream port of the switch - */ - tmp_dev = parent_dev->bus->self; - /* - * every switch on the path to root complex need 1 more - * microsecond for L1. Spec doesn't mention L0S. - */ - if (state & PCIE_LINK_STATE_L1) - l1_latency += 1000; - } - } - return state; -} - -static unsigned int pcie_aspm_check_state(struct pci_dev *pdev, - unsigned int state) -{ - struct pci_dev *child_dev; - - /* If no child, disable the link */ - if (list_empty(&pdev->subordinate->devices)) - return 0; - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - if (child_dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { - /* - * If downstream component of a link is pci bridge, we - * disable ASPM for now for the link - * */ - state = 0; - break; - } - if ((child_dev->pcie_type != PCI_EXP_TYPE_ENDPOINT && - child_dev->pcie_type != PCI_EXP_TYPE_LEG_END)) - continue; - /* Device not in D0 doesn't need check latency */ - if (child_dev->current_state == PCI_D1 || - child_dev->current_state == PCI_D2 || - child_dev->current_state == PCI_D3hot || - child_dev->current_state == PCI_D3cold) - continue; - state = __pcie_aspm_check_state_one(child_dev, state); - } - return state; -} - -static void __pcie_aspm_config_one_dev(struct pci_dev *pdev, unsigned int state) -{ - u16 reg16; - int pos = pci_find_capability(pdev, PCI_CAP_ID_EXP); - - pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, ®16); - reg16 &= ~0x3; - reg16 |= state; - pci_write_config_word(pdev, pos + PCI_EXP_LNKCTL, reg16); -} - -static void __pcie_aspm_config_link(struct pci_dev *pdev, unsigned int state) -{ - struct pci_dev *child_dev; - int valid = 1; - struct pcie_link_state *link_state = pdev->link_state; - - /* - * if the downstream component has pci bridge function, don't do ASPM - * now - */ - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) { - if (child_dev->pcie_type == PCI_EXP_TYPE_PCI_BRIDGE) { - valid = 0; - break; - } - } - if (!valid) - return; - - /* - * spec 2.0 suggests all functions should be configured the same - * setting for ASPM. Enabling ASPM L1 should be done in upstream - * component first and then downstream, and vice versa for disabling - * ASPM L1. Spec doesn't mention L0S. - */ - if (state & PCIE_LINK_STATE_L1) - __pcie_aspm_config_one_dev(pdev, state); - - list_for_each_entry(child_dev, &pdev->subordinate->devices, bus_list) - __pcie_aspm_config_one_dev(child_dev, state); - - if (!(state & PCIE_LINK_STATE_L1)) - __pcie_aspm_config_one_dev(pdev, state); - - link_state->enabled_state = state; -} - -static void __pcie_aspm_configure_link_state(struct pci_dev *pdev, - unsigned int state) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (link_state->support_state == 0) - return; - state &= PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1; - - /* state 0 means disabling aspm */ - state = pcie_aspm_check_state(pdev, state); - if (link_state->enabled_state == state) - return; - __pcie_aspm_config_link(pdev, state); -} - -/* - * pcie_aspm_configure_link_state: enable/disable PCI express link state - * @pdev: the root port or switch downstream port - */ -static void pcie_aspm_configure_link_state(struct pci_dev *pdev, - unsigned int state) -{ - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - __pcie_aspm_configure_link_state(pdev, state); - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); -} - -static void free_link_state(struct pci_dev *pdev) -{ - kfree(pdev->link_state); - pdev->link_state = NULL; -} - -/* - * pcie_aspm_init_link_state: Initiate PCI express link state. - * It is called after the pcie and its children devices are scaned. - * @pdev: the root port or switch downstream port - */ -void pcie_aspm_init_link_state(struct pci_dev *pdev) -{ - unsigned int state; - struct pcie_link_state *link_state; - int error = 0; - - if (aspm_disabled || !pdev->is_pcie || pdev->link_state) - return; - if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) - return; - down_read(&pci_bus_sem); - if (list_empty(&pdev->subordinate->devices)) - goto out; - - mutex_lock(&aspm_lock); - - link_state = kzalloc(sizeof(*link_state), GFP_KERNEL); - if (!link_state) - goto unlock_out; - pdev->link_state = link_state; - - pcie_aspm_configure_common_clock(pdev); - - pcie_aspm_cap_init(pdev); - - /* config link state to avoid BIOS error */ - state = pcie_aspm_check_state(pdev, policy_to_aspm_state(pdev)); - __pcie_aspm_config_link(pdev, state); - - pcie_check_clock_pm(pdev); - - link_state->pdev = pdev; - list_add(&link_state->sibiling, &link_list); - -unlock_out: - if (error) - free_link_state(pdev); - mutex_unlock(&aspm_lock); -out: - up_read(&pci_bus_sem); -} - -/* @pdev: the endpoint device */ -void pcie_aspm_exit_link_state(struct pci_dev *pdev) -{ - struct pci_dev *parent = pdev->bus->self; - struct pcie_link_state *link_state = parent->link_state; - - if (aspm_disabled || !pdev->is_pcie || !parent || !link_state) - return; - if (parent->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - parent->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) - return; - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - - /* - * All PCIe functions are in one slot, remove one function will remove - * the the whole slot, so just wait - */ - if (!list_empty(&parent->subordinate->devices)) - goto out; - - /* All functions are removed, so just disable ASPM for the link */ - __pcie_aspm_config_one_dev(parent, 0); - list_del(&link_state->sibiling); - /* Clock PM is for endpoint device */ - - free_link_state(parent); -out: - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); -} - -/* @pdev: the root port or switch downstream port */ -void pcie_aspm_pm_state_change(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (aspm_disabled || !pdev->is_pcie || !pdev->link_state) - return; - if (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM) - return; - /* - * devices changed PM state, we should recheck if latency meets all - * functions' requirement - */ - pcie_aspm_configure_link_state(pdev, link_state->enabled_state); -} - -/* - * pci_disable_link_state - disable pci device's link state, so the link will - * never enter specific states - */ -void pci_disable_link_state(struct pci_dev *pdev, int state) -{ - struct pci_dev *parent = pdev->bus->self; - struct pcie_link_state *link_state; - - if (aspm_disabled || !pdev->is_pcie) - return; - if (pdev->pcie_type == PCI_EXP_TYPE_ROOT_PORT || - pdev->pcie_type == PCI_EXP_TYPE_DOWNSTREAM) - parent = pdev; - if (!parent) - return; - - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - link_state = parent->link_state; - link_state->support_state &= - ~(state & (PCIE_LINK_STATE_L0S|PCIE_LINK_STATE_L1)); - if (state & PCIE_LINK_STATE_CLKPM) - link_state->clk_pm_capable = 0; - - __pcie_aspm_configure_link_state(parent, link_state->enabled_state); - if (!link_state->clk_pm_capable && link_state->clk_pm_enabled) - pcie_set_clock_pm(parent, 0); - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); -} -EXPORT_SYMBOL(pci_disable_link_state); - -static int pcie_aspm_set_policy(const char *val, struct kernel_param *kp) -{ - int i; - struct pci_dev *pdev; - struct pcie_link_state *link_state; - - for (i = 0; i < ARRAY_SIZE(policy_str); i++) - if (!strncmp(val, policy_str[i], strlen(policy_str[i]))) - break; - if (i >= ARRAY_SIZE(policy_str)) - return -EINVAL; - if (i == aspm_policy) - return 0; - - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - aspm_policy = i; - list_for_each_entry(link_state, &link_list, sibiling) { - pdev = link_state->pdev; - __pcie_aspm_configure_link_state(pdev, - policy_to_aspm_state(pdev)); - if (link_state->clk_pm_capable && - link_state->clk_pm_enabled != policy_to_clkpm_state(pdev)) - pcie_set_clock_pm(pdev, policy_to_clkpm_state(pdev)); - - } - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); - return 0; -} - -static int pcie_aspm_get_policy(char *buffer, struct kernel_param *kp) -{ - int i, cnt = 0; - for (i = 0; i < ARRAY_SIZE(policy_str); i++) - if (i == aspm_policy) - cnt += sprintf(buffer + cnt, "[%s] ", policy_str[i]); - else - cnt += sprintf(buffer + cnt, "%s ", policy_str[i]); - return cnt; -} - -module_param_call(policy, pcie_aspm_set_policy, pcie_aspm_get_policy, - NULL, 0644); - -#ifdef CONFIG_PCIEASPM_DEBUG -static ssize_t link_state_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - struct pcie_link_state *link_state = pci_device->link_state; - - return sprintf(buf, "%d\n", link_state->enabled_state); -} - -static ssize_t link_state_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t n) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - int state; - - if (n < 1) - return -EINVAL; - state = buf[0]-'0'; - if (state >= 0 && state <= 3) { - /* setup link aspm state */ - pcie_aspm_configure_link_state(pci_device, state); - return n; - } - - return -EINVAL; -} - -static ssize_t clk_ctl_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - struct pcie_link_state *link_state = pci_device->link_state; - - return sprintf(buf, "%d\n", link_state->clk_pm_enabled); -} - -static ssize_t clk_ctl_store(struct device *dev, - struct device_attribute *attr, - const char *buf, - size_t n) -{ - struct pci_dev *pci_device = to_pci_dev(dev); - int state; - - if (n < 1) - return -EINVAL; - state = buf[0]-'0'; - - down_read(&pci_bus_sem); - mutex_lock(&aspm_lock); - pcie_set_clock_pm(pci_device, !!state); - mutex_unlock(&aspm_lock); - up_read(&pci_bus_sem); - - return n; -} - -static DEVICE_ATTR(link_state, 0644, link_state_show, link_state_store); -static DEVICE_ATTR(clk_ctl, 0644, clk_ctl_show, clk_ctl_store); - -static char power_group[] = "power"; -void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) - return; - - if (link_state->support_state) - sysfs_add_file_to_group(&pdev->dev.kobj, - &dev_attr_link_state.attr, power_group); - if (link_state->clk_pm_capable) - sysfs_add_file_to_group(&pdev->dev.kobj, - &dev_attr_clk_ctl.attr, power_group); -} - -void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev) -{ - struct pcie_link_state *link_state = pdev->link_state; - - if (!pdev->is_pcie || (pdev->pcie_type != PCI_EXP_TYPE_ROOT_PORT && - pdev->pcie_type != PCI_EXP_TYPE_DOWNSTREAM)) - return; - - if (link_state->support_state) - sysfs_remove_file_from_group(&pdev->dev.kobj, - &dev_attr_link_state.attr, power_group); - if (link_state->clk_pm_capable) - sysfs_remove_file_from_group(&pdev->dev.kobj, - &dev_attr_clk_ctl.attr, power_group); -} -#endif - -static int __init pcie_aspm_disable(char *str) -{ - aspm_disabled = 1; - return 1; -} - -__setup("pcie_noaspm", pcie_aspm_disable); - -static int __init pcie_aspm_init(void) -{ - if (aspm_disabled) - return 0; - pci_osc_support_set(OSC_ACTIVE_STATE_PWR_SUPPORT| - OSC_CLOCK_PWR_CAPABILITY_SUPPORT); - return 0; -} - -fs_initcall(pcie_aspm_init); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 8b505bd925aa..7f5dab34d315 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -9,7 +9,6 @@ #include <linux/slab.h> #include <linux/module.h> #include <linux/cpumask.h> -#include <linux/aspm.h> #include "pci.h" #define CARDBUS_LATENCY_TIMER 176 /* secondary latency timer */ @@ -434,7 +433,7 @@ pci_alloc_child_bus(struct pci_bus *parent, struct pci_dev *bridge, int busnr) return child; } -struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr) +struct pci_bus *__ref pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr) { struct pci_bus *child; @@ -949,7 +948,7 @@ void pci_device_add(struct pci_dev *dev, struct pci_bus *bus) up_write(&pci_bus_sem); } -struct pci_dev *pci_scan_single_device(struct pci_bus *bus, int devfn) +struct pci_dev *__ref pci_scan_single_device(struct pci_bus *bus, int devfn) { struct pci_dev *dev; @@ -1002,10 +1001,6 @@ int pci_scan_slot(struct pci_bus *bus, int devfn) break; } } - - if (bus->self) - pcie_aspm_init_link_state(bus->self); - return nr; } @@ -1045,20 +1040,6 @@ unsigned int pci_scan_child_bus(struct pci_bus *bus) return max; } -unsigned int __devinit pci_do_scan_bus(struct pci_bus *bus) -{ - unsigned int max; - - max = pci_scan_child_bus(bus); - - /* - * Make the discovered devices available. - */ - pci_bus_add_devices(bus); - - return max; -} - struct pci_bus * pci_create_bus(struct device *parent, int bus, struct pci_ops *ops, void *sysdata) { @@ -1145,7 +1126,6 @@ EXPORT_SYMBOL(pci_scan_bus_parented); #ifdef CONFIG_HOTPLUG EXPORT_SYMBOL(pci_add_new_bus); -EXPORT_SYMBOL(pci_do_scan_bus); EXPORT_SYMBOL(pci_scan_slot); EXPORT_SYMBOL(pci_scan_bridge); EXPORT_SYMBOL_GPL(pci_scan_child_bus); diff --git a/drivers/pci/remove.c b/drivers/pci/remove.c index ec4a82ba29a8..9684e1bde277 100644 --- a/drivers/pci/remove.c +++ b/drivers/pci/remove.c @@ -1,6 +1,5 @@ #include <linux/pci.h> #include <linux/module.h> -#include <linux/aspm.h> #include "pci.h" static void pci_free_resources(struct pci_dev *dev) @@ -31,9 +30,6 @@ static void pci_stop_dev(struct pci_dev *dev) dev->global_list.next = dev->global_list.prev = NULL; up_write(&pci_bus_sem); } - - if (dev->bus->self) - pcie_aspm_exit_link_state(dev); } static void pci_destroy_dev(struct pci_dev *dev) diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c index 8a7232feb553..262b0439abe9 100644 --- a/drivers/pci/setup-bus.c +++ b/drivers/pci/setup-bus.c @@ -456,7 +456,7 @@ pci_bus_size_cardbus(struct pci_bus *bus) } } -void pci_bus_size_bridges(struct pci_bus *bus) +void __ref pci_bus_size_bridges(struct pci_bus *bus) { struct pci_dev *dev; unsigned long mask, prefmask; @@ -511,7 +511,7 @@ void pci_bus_size_bridges(struct pci_bus *bus) } EXPORT_SYMBOL(pci_bus_size_bridges); -void pci_bus_assign_resources(struct pci_bus *bus) +void __ref pci_bus_assign_resources(struct pci_bus *bus) { struct pci_bus *b; struct pci_dev *dev; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 29b4cf9e059b..6cfeba7454d4 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1894,7 +1894,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid) uint16_t iotag; int bars = pci_select_bars(pdev, IORESOURCE_MEM); - if (pci_enable_device_bars(pdev, bars)) + if (pci_enable_device_mem(pdev)) goto out; if (pci_request_selected_regions(pdev, bars, LPFC_DRIVER_NAME)) goto out_disable_device; diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c index a94473d3072c..5d8dcb9ee326 100644 --- a/fs/ncpfs/mmap.c +++ b/fs/ncpfs/mmap.c @@ -50,10 +50,6 @@ static int ncp_file_mmap_fault(struct vm_area_struct *area, pos = vmf->pgoff << PAGE_SHIFT; count = PAGE_SIZE; - if ((unsigned long)vmf->virtual_address + PAGE_SIZE > area->vm_end) { - WARN_ON(1); /* shouldn't happen? */ - count = area->vm_end - (unsigned long)vmf->virtual_address; - } /* what we can read in one go */ bufsize = NCP_SERVER(inode)->buffer_size; diff --git a/include/linux/aspm.h b/include/linux/aspm.h deleted file mode 100644 index f41a69895485..000000000000 --- a/include/linux/aspm.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * aspm.h - * - * PCI Express ASPM defines and function prototypes - * - * Copyright (C) 2007 Intel Corp. - * Zhang Yanmin (yanmin.zhang@intel.com) - * Shaohua Li (shaohua.li@intel.com) - * - * For more information, please consult the following manuals (look at - * http://www.pcisig.com/ for how to get them): - * - * PCI Express Specification - */ - -#ifndef LINUX_ASPM_H -#define LINUX_ASPM_H - -#include <linux/pci.h> - -#define PCIE_LINK_STATE_L0S 1 -#define PCIE_LINK_STATE_L1 2 -#define PCIE_LINK_STATE_CLKPM 4 - -#ifdef CONFIG_PCIEASPM -extern void pcie_aspm_init_link_state(struct pci_dev *pdev); -extern void pcie_aspm_exit_link_state(struct pci_dev *pdev); -extern void pcie_aspm_pm_state_change(struct pci_dev *pdev); -extern void pci_disable_link_state(struct pci_dev *pdev, int state); -#else -#define pcie_aspm_init_link_state(pdev) do {} while (0) -#define pcie_aspm_exit_link_state(pdev) do {} while (0) -#define pcie_aspm_pm_state_change(pdev) do {} while (0) -#define pci_disable_link_state(pdev, state) do {} while (0) -#endif - -#ifdef CONFIG_PCIEASPM_DEBUG /* this depends on CONFIG_PCIEASPM */ -extern void pcie_aspm_create_sysfs_dev_files(struct pci_dev *pdev); -extern void pcie_aspm_remove_sysfs_dev_files(struct pci_dev *pdev); -#else -#define pcie_aspm_create_sysfs_dev_files(pdev) do {} while (0) -#define pcie_aspm_remove_sysfs_dev_files(pdev) do {} while (0) -#endif -#endif /* LINUX_ASPM_H */ diff --git a/include/linux/dccp.h b/include/linux/dccp.h index 484e45c7c89a..aa0737019e37 100644 --- a/include/linux/dccp.h +++ b/include/linux/dccp.h @@ -525,6 +525,7 @@ struct dccp_sock { __u64 dccps_gsr; __u64 dccps_gar; __be32 dccps_service; + __u32 dccps_mss_cache; struct dccp_service_list *dccps_service_list; __u32 dccps_timestamp_echo; __u32 dccps_timestamp_time; @@ -533,7 +534,6 @@ struct dccp_sock { __u16 dccps_pcslen; __u16 dccps_pcrlen; unsigned long dccps_ndp_count; - __u32 dccps_mss_cache; unsigned long dccps_rate_last; struct dccp_minisock dccps_minisock; struct dccp_ackvec *dccps_hc_rx_ackvec; diff --git a/include/linux/device.h b/include/linux/device.h index db375be333c7..479c0b31593c 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -534,11 +534,17 @@ extern struct device *device_create(struct class *cls, struct device *parent, extern void device_destroy(struct class *cls, dev_t devt); #ifdef CONFIG_PM_SLEEP extern void destroy_suspended_device(struct class *cls, dev_t devt); +extern void device_pm_schedule_removal(struct device *); #else /* !CONFIG_PM_SLEEP */ static inline void destroy_suspended_device(struct class *cls, dev_t devt) { device_destroy(cls, devt); } + +static inline void device_pm_schedule_removal(struct device *dev) +{ + device_unregister(dev); +} #endif /* !CONFIG_PM_SLEEP */ /* diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h index 5de6d911cdf7..f577c8f1c66d 100644 --- a/include/linux/ieee80211.h +++ b/include/linux/ieee80211.h @@ -287,6 +287,12 @@ struct ieee80211_ht_addt_info { #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010 +/* MIMO Power Save Modes */ +#define WLAN_HT_CAP_MIMO_PS_STATIC 0 +#define WLAN_HT_CAP_MIMO_PS_DYNAMIC 1 +#define WLAN_HT_CAP_MIMO_PS_INVALID 2 +#define WLAN_HT_CAP_MIMO_PS_DISABLED 3 + /* Authentication algorithms */ #define WLAN_AUTH_OPEN 0 #define WLAN_AUTH_SHARED_KEY 1 diff --git a/include/linux/pci.h b/include/linux/pci.h index 4f96f1d94ac4..cee75c0ff6e7 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -128,7 +128,6 @@ struct pci_cap_saved_state { u32 data[0]; }; -struct pcie_link_state; /* * The pci_dev structure is used to describe PCI devices. */ @@ -164,10 +163,6 @@ struct pci_dev { this is D0-D3, D0 being fully functional, and D3 being off. */ -#ifdef CONFIG_PCIEASPM - struct pcie_link_state *link_state; /* ASPM link state. */ -#endif - pci_channel_state_t error_state; /* current connectivity state */ struct device dev; /* Generic device interface */ diff --git a/include/linux/pci_regs.h b/include/linux/pci_regs.h index c0c1223c9194..c1914a8b94a9 100644 --- a/include/linux/pci_regs.h +++ b/include/linux/pci_regs.h @@ -395,17 +395,9 @@ #define PCI_EXP_DEVSTA_AUXPD 0x10 /* AUX Power Detected */ #define PCI_EXP_DEVSTA_TRPND 0x20 /* Transactions Pending */ #define PCI_EXP_LNKCAP 12 /* Link Capabilities */ -#define PCI_EXP_LNKCAP_ASPMS 0xc00 /* ASPM Support */ -#define PCI_EXP_LNKCAP_L0SEL 0x7000 /* L0s Exit Latency */ -#define PCI_EXP_LNKCAP_L1EL 0x38000 /* L1 Exit Latency */ -#define PCI_EXP_LNKCAP_CLKPM 0x40000 /* L1 Clock Power Management */ #define PCI_EXP_LNKCTL 16 /* Link Control */ -#define PCI_EXP_LNKCTL_RL 0x20 /* Retrain Link */ -#define PCI_EXP_LNKCTL_CCC 0x40 /* Common Clock COnfiguration */ #define PCI_EXP_LNKCTL_CLKREQ_EN 0x100 /* Enable clkreq */ #define PCI_EXP_LNKSTA 18 /* Link Status */ -#define PCI_EXP_LNKSTA_LT 0x800 /* Link Training */ -#define PCI_EXP_LNKSTA_SLC 0x1000 /* Slot Clock Configuration */ #define PCI_EXP_SLTCAP 20 /* Slot Capabilities */ #define PCI_EXP_SLTCTL 24 /* Slot Control */ #define PCI_EXP_SLTSTA 26 /* Slot Status */ diff --git a/include/linux/phy.h b/include/linux/phy.h index 554836edd915..5e43ae751412 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -88,7 +88,7 @@ struct mii_bus { /* A lock to ensure that only one thing can read/write * the MDIO bus at a time */ - spinlock_t mdio_lock; + struct mutex mdio_lock; struct device *dev; @@ -284,10 +284,11 @@ struct phy_device { /* Interrupt and Polling infrastructure */ struct work_struct phy_queue; + struct work_struct state_queue; struct timer_list phy_timer; atomic_t irq_disable; - spinlock_t lock; + struct mutex lock; struct net_device *attached_dev; diff --git a/include/net/if_inet6.h b/include/net/if_inet6.h index b24508abb850..b2cfc4927257 100644 --- a/include/net/if_inet6.h +++ b/include/net/if_inet6.h @@ -112,13 +112,13 @@ struct ifmcaddr6 struct ip6_sf_list *mca_sources; struct ip6_sf_list *mca_tomb; unsigned int mca_sfmode; + unsigned char mca_crcount; unsigned long mca_sfcount[2]; struct timer_list mca_timer; unsigned mca_flags; int mca_users; atomic_t mca_refcnt; spinlock_t mca_lock; - unsigned char mca_crcount; unsigned long mca_cstamp; unsigned long mca_tstamp; }; @@ -166,11 +166,11 @@ struct inet6_dev struct ifmcaddr6 *mc_list; struct ifmcaddr6 *mc_tomb; rwlock_t mc_lock; - unsigned long mc_v1_seen; - unsigned long mc_maxdelay; unsigned char mc_qrv; unsigned char mc_gq_running; unsigned char mc_ifc_count; + unsigned long mc_v1_seen; + unsigned long mc_maxdelay; struct timer_list mc_gq_timer; /* general query timer */ struct timer_list mc_ifc_timer; /* interface change timer */ diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h index fdff630708ce..62a5b691858e 100644 --- a/include/net/inet6_hashtables.h +++ b/include/net/inet6_hashtables.h @@ -49,7 +49,7 @@ static inline int inet6_sk_ehashfn(const struct sock *sk) return inet6_ehashfn(laddr, lport, faddr, fport); } -extern void __inet6_hash(struct inet_hashinfo *hashinfo, struct sock *sk); +extern void __inet6_hash(struct sock *sk); /* * Sockets in TCP_CLOSE state are _always_ taken out of the hash, so diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 133cf30d2d79..f00f0573627b 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -29,7 +29,6 @@ #undef INET_CSK_CLEAR_TIMERS struct inet_bind_bucket; -struct inet_hashinfo; struct tcp_congestion_ops; /* @@ -59,6 +58,8 @@ struct inet_connection_sock_af_ops { int level, int optname, char __user *optval, int __user *optlen); void (*addr2sockaddr)(struct sock *sk, struct sockaddr *); + int (*bind_conflict)(const struct sock *sk, + const struct inet_bind_bucket *tb); }; /** inet_connection_sock - INET connection oriented sock @@ -244,10 +245,7 @@ extern struct request_sock *inet_csk_search_req(const struct sock *sk, const __be32 laddr); extern int inet_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb); -extern int inet_csk_get_port(struct inet_hashinfo *hashinfo, - struct sock *sk, unsigned short snum, - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb)); +extern int inet_csk_get_port(struct sock *sk, unsigned short snum); extern struct dst_entry* inet_csk_route_req(struct sock *sk, const struct request_sock *req); diff --git a/include/net/inet_hashtables.h b/include/net/inet_hashtables.h index c23c4ed30724..48ac620cb846 100644 --- a/include/net/inet_hashtables.h +++ b/include/net/inet_hashtables.h @@ -221,9 +221,9 @@ static inline int inet_sk_listen_hashfn(const struct sock *sk) } /* Caller must disable local BH processing. */ -static inline void __inet_inherit_port(struct inet_hashinfo *table, - struct sock *sk, struct sock *child) +static inline void __inet_inherit_port(struct sock *sk, struct sock *child) { + struct inet_hashinfo *table = sk->sk_prot->hashinfo; const int bhash = inet_bhashfn(inet_sk(child)->num, table->bhash_size); struct inet_bind_hashbucket *head = &table->bhash[bhash]; struct inet_bind_bucket *tb; @@ -235,15 +235,14 @@ static inline void __inet_inherit_port(struct inet_hashinfo *table, spin_unlock(&head->lock); } -static inline void inet_inherit_port(struct inet_hashinfo *table, - struct sock *sk, struct sock *child) +static inline void inet_inherit_port(struct sock *sk, struct sock *child) { local_bh_disable(); - __inet_inherit_port(table, sk, child); + __inet_inherit_port(sk, child); local_bh_enable(); } -extern void inet_put_port(struct inet_hashinfo *table, struct sock *sk); +extern void inet_put_port(struct sock *sk); extern void inet_listen_wlock(struct inet_hashinfo *hashinfo); @@ -266,41 +265,9 @@ static inline void inet_listen_unlock(struct inet_hashinfo *hashinfo) wake_up(&hashinfo->lhash_wait); } -extern void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk); -extern void __inet_hash_nolisten(struct inet_hashinfo *hinfo, struct sock *sk); - -static inline void inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) -{ - if (sk->sk_state != TCP_CLOSE) { - local_bh_disable(); - __inet_hash(hashinfo, sk); - local_bh_enable(); - } -} - -static inline void inet_unhash(struct inet_hashinfo *hashinfo, struct sock *sk) -{ - rwlock_t *lock; - - if (sk_unhashed(sk)) - goto out; - - if (sk->sk_state == TCP_LISTEN) { - local_bh_disable(); - inet_listen_wlock(hashinfo); - lock = &hashinfo->lhash_lock; - } else { - lock = inet_ehash_lockp(hashinfo, sk->sk_hash); - write_lock_bh(lock); - } - - if (__sk_del_node_init(sk)) - sock_prot_inuse_add(sk->sk_prot, -1); - write_unlock_bh(lock); -out: - if (sk->sk_state == TCP_LISTEN) - wake_up(&hashinfo->lhash_wait); -} +extern void __inet_hash_nolisten(struct sock *sk); +extern void inet_hash(struct sock *sk); +extern void inet_unhash(struct sock *sk); extern struct sock *__inet_lookup_listener(struct net *net, struct inet_hashinfo *hashinfo, @@ -425,7 +392,7 @@ extern int __inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk, int (*check_established)(struct inet_timewait_death_row *, struct sock *, __u16, struct inet_timewait_sock **), - void (*hash)(struct inet_hashinfo *, struct sock *)); + void (*hash)(struct sock *sk)); extern int inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk); #endif /* _INET_HASHTABLES_H */ diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 67e925065aae..296547bfb0b7 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -116,6 +116,7 @@ struct inet_timewait_sock { #define tw_hash __tw_common.skc_hash #define tw_prot __tw_common.skc_prot #define tw_net __tw_common.skc_net + int tw_timeout; volatile unsigned char tw_substate; /* 3 bits hole, try to pack */ unsigned char tw_rcv_wscale; @@ -130,7 +131,6 @@ struct inet_timewait_sock { __u8 tw_ipv6only:1; /* 15 bits hole, try to pack */ __u16 tw_ipv6_offset; - int tw_timeout; unsigned long tw_ttd; struct inet_bind_bucket *tw_tb; struct hlist_node tw_death_node; diff --git a/include/net/sock.h b/include/net/sock.h index e3fb4c047f4c..8a7889b35810 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -496,6 +496,7 @@ extern int sk_wait_data(struct sock *sk, long *timeo); struct request_sock_ops; struct timewait_sock_ops; +struct inet_hashinfo; /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface @@ -578,6 +579,8 @@ struct proto { struct request_sock_ops *rsk_prot; struct timewait_sock_ops *twsk_prot; + struct inet_hashinfo *hashinfo; + struct module *owner; char name[32]; diff --git a/kernel/Makefile b/kernel/Makefile index 8885627ea021..db9af707ff5b 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -9,7 +9,7 @@ obj-y = sched.o fork.o exec_domain.o panic.o printk.o profile.o \ rcupdate.o extable.o params.o posix-timers.o \ kthread.o wait.o kfifo.o sys_ni.o posix-cpu-timers.o mutex.o \ hrtimer.o rwsem.o latency.o nsproxy.o srcu.o \ - utsname.o notifier.o + utsname.o notifier.o ksysfs.o obj-$(CONFIG_SYSCTL) += sysctl_check.o obj-$(CONFIG_STACKTRACE) += stacktrace.o @@ -49,7 +49,6 @@ obj-$(CONFIG_AUDIT) += audit.o auditfilter.o obj-$(CONFIG_AUDITSYSCALL) += auditsc.o obj-$(CONFIG_AUDIT_TREE) += audit_tree.o obj-$(CONFIG_KPROBES) += kprobes.o -obj-$(CONFIG_SYSFS) += ksysfs.o obj-$(CONFIG_DETECT_SOFTLOCKUP) += softlockup.o obj-$(CONFIG_GENERIC_HARDIRQS) += irq/ obj-$(CONFIG_SECCOMP) += seccomp.o diff --git a/kernel/relay.c b/kernel/relay.c index 61134eb7a0c8..7c0373322f18 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -92,6 +92,7 @@ static int relay_mmap_buf(struct rchan_buf *buf, struct vm_area_struct *vma) return -EINVAL; vma->vm_ops = &relay_file_mmap_ops; + vma->vm_flags |= VM_DONTEXPAND; vma->vm_private_data = buf; buf->chan->cb->buf_mapped(buf, filp); diff --git a/lib/kobject.c b/lib/kobject.c index 1d63ead1815e..d784daeb8571 100644 --- a/lib/kobject.c +++ b/lib/kobject.c @@ -637,7 +637,7 @@ struct kobject *kobject_create(void) * @name: the name for the kset * @parent: the parent kobject of this kobject, if any. * - * This function creates a kset structure dynamically and registers it + * This function creates a kobject structure dynamically and registers it * with sysfs. When you are finished with this structure, call * kobject_put() and the structure will be dynamically freed when * it is no longer being used. diff --git a/mm/mmap.c b/mm/mmap.c index d2b6d44962b7..8295577a83b2 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -2216,7 +2216,7 @@ int install_special_mapping(struct mm_struct *mm, vma->vm_start = addr; vma->vm_end = addr + len; - vma->vm_flags = vm_flags | mm->def_flags; + vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND; vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); vma->vm_ops = &special_mapping_vmops; diff --git a/net/dccp/dccp.h b/net/dccp/dccp.h index ebe59d98721a..287a62bc2e0f 100644 --- a/net/dccp/dccp.h +++ b/net/dccp/dccp.h @@ -271,8 +271,6 @@ extern struct sk_buff *dccp_make_response(struct sock *sk, extern int dccp_connect(struct sock *sk); extern int dccp_disconnect(struct sock *sk, int flags); -extern void dccp_hash(struct sock *sk); -extern void dccp_unhash(struct sock *sk); extern int dccp_getsockopt(struct sock *sk, int level, int optname, char __user *optval, int __user *optlen); extern int dccp_setsockopt(struct sock *sk, int level, int optname, diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index c982ad88223d..474075adbde4 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -38,12 +38,6 @@ */ static struct socket *dccp_v4_ctl_socket; -static int dccp_v4_get_port(struct sock *sk, const unsigned short snum) -{ - return inet_csk_get_port(&dccp_hashinfo, sk, snum, - inet_csk_bind_conflict); -} - int dccp_v4_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len) { struct inet_sock *inet = inet_sk(sk); @@ -408,8 +402,8 @@ struct sock *dccp_v4_request_recv_sock(struct sock *sk, struct sk_buff *skb, dccp_sync_mss(newsk, dst_mtu(dst)); - __inet_hash_nolisten(&dccp_hashinfo, newsk); - __inet_inherit_port(&dccp_hashinfo, sk, newsk); + __inet_hash_nolisten(newsk); + __inet_inherit_port(sk, newsk); return newsk; @@ -898,6 +892,7 @@ static struct inet_connection_sock_af_ops dccp_ipv4_af_ops = { .getsockopt = ip_getsockopt, .addr2sockaddr = inet_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in), + .bind_conflict = inet_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ip_setsockopt, .compat_getsockopt = compat_ip_getsockopt, @@ -937,10 +932,10 @@ static struct proto dccp_v4_prot = { .sendmsg = dccp_sendmsg, .recvmsg = dccp_recvmsg, .backlog_rcv = dccp_v4_do_rcv, - .hash = dccp_hash, - .unhash = dccp_unhash, + .hash = inet_hash, + .unhash = inet_unhash, .accept = inet_csk_accept, - .get_port = dccp_v4_get_port, + .get_port = inet_csk_get_port, .shutdown = dccp_shutdown, .destroy = dccp_destroy_sock, .orphan_count = &dccp_orphan_count, @@ -948,6 +943,7 @@ static struct proto dccp_v4_prot = { .obj_size = sizeof(struct dccp_sock), .rsk_prot = &dccp_request_sock_ops, .twsk_prot = &dccp_timewait_sock_ops, + .hashinfo = &dccp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_dccp_setsockopt, .compat_getsockopt = compat_dccp_getsockopt, diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index ed0a0053a797..490333d47c7b 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -39,21 +39,15 @@ static struct socket *dccp_v6_ctl_socket; static struct inet_connection_sock_af_ops dccp_ipv6_mapped; static struct inet_connection_sock_af_ops dccp_ipv6_af_ops; -static int dccp_v6_get_port(struct sock *sk, unsigned short snum) -{ - return inet_csk_get_port(&dccp_hashinfo, sk, snum, - inet6_csk_bind_conflict); -} - static void dccp_v6_hash(struct sock *sk) { if (sk->sk_state != DCCP_CLOSED) { if (inet_csk(sk)->icsk_af_ops == &dccp_ipv6_mapped) { - dccp_hash(sk); + inet_hash(sk); return; } local_bh_disable(); - __inet6_hash(&dccp_hashinfo, sk); + __inet6_hash(sk); local_bh_enable(); } } @@ -630,8 +624,8 @@ static struct sock *dccp_v6_request_recv_sock(struct sock *sk, newinet->daddr = newinet->saddr = newinet->rcv_saddr = LOOPBACK4_IPV6; - __inet6_hash(&dccp_hashinfo, newsk); - inet_inherit_port(&dccp_hashinfo, sk, newsk); + __inet6_hash(newsk); + inet_inherit_port(sk, newsk); return newsk; @@ -1054,6 +1048,7 @@ static struct inet_connection_sock_af_ops dccp_ipv6_af_ops = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, @@ -1123,9 +1118,9 @@ static struct proto dccp_v6_prot = { .recvmsg = dccp_recvmsg, .backlog_rcv = dccp_v6_do_rcv, .hash = dccp_v6_hash, - .unhash = dccp_unhash, + .unhash = inet_unhash, .accept = inet_csk_accept, - .get_port = dccp_v6_get_port, + .get_port = inet_csk_get_port, .shutdown = dccp_shutdown, .destroy = dccp_v6_destroy_sock, .orphan_count = &dccp_orphan_count, @@ -1133,6 +1128,7 @@ static struct proto dccp_v6_prot = { .obj_size = sizeof(struct dccp6_sock), .rsk_prot = &dccp6_request_sock_ops, .twsk_prot = &dccp6_timewait_sock_ops, + .hashinfo = &dccp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_dccp_setsockopt, .compat_getsockopt = compat_dccp_getsockopt, diff --git a/net/dccp/proto.c b/net/dccp/proto.c index 0bed4a6095b7..e3f5d37b84be 100644 --- a/net/dccp/proto.c +++ b/net/dccp/proto.c @@ -78,7 +78,7 @@ void dccp_set_state(struct sock *sk, const int state) sk->sk_prot->unhash(sk); if (inet_csk(sk)->icsk_bind_hash != NULL && !(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) - inet_put_port(&dccp_hashinfo, sk); + inet_put_port(sk); /* fall through */ default: if (oldstate == DCCP_OPEN) @@ -173,20 +173,6 @@ const char *dccp_state_name(const int state) EXPORT_SYMBOL_GPL(dccp_state_name); -void dccp_hash(struct sock *sk) -{ - inet_hash(&dccp_hashinfo, sk); -} - -EXPORT_SYMBOL_GPL(dccp_hash); - -void dccp_unhash(struct sock *sk) -{ - inet_unhash(&dccp_hashinfo, sk); -} - -EXPORT_SYMBOL_GPL(dccp_unhash); - int dccp_init_sock(struct sock *sk, const __u8 ctl_sock_initialized) { struct dccp_sock *dp = dccp_sk(sk); @@ -268,7 +254,7 @@ int dccp_destroy_sock(struct sock *sk) /* Clean up a referenced DCCP bind bucket. */ if (inet_csk(sk)->icsk_bind_hash != NULL) - inet_put_port(&dccp_hashinfo, sk); + inet_put_port(sk); kfree(dp->dccps_service_list); dp->dccps_service_list = NULL; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index de5a41de191a..b189278c7bc1 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -78,11 +78,9 @@ EXPORT_SYMBOL_GPL(inet_csk_bind_conflict); /* Obtain a reference to a local port for the given sock, * if snum is zero it means select any available local port. */ -int inet_csk_get_port(struct inet_hashinfo *hashinfo, - struct sock *sk, unsigned short snum, - int (*bind_conflict)(const struct sock *sk, - const struct inet_bind_bucket *tb)) +int inet_csk_get_port(struct sock *sk, unsigned short snum) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct inet_bind_hashbucket *head; struct hlist_node *node; struct inet_bind_bucket *tb; @@ -142,7 +140,7 @@ tb_found: goto success; } else { ret = 1; - if (bind_conflict(sk, tb)) + if (inet_csk(sk)->icsk_af_ops->bind_conflict(sk, tb)) goto fail_unlock; } } diff --git a/net/ipv4/inet_hashtables.c b/net/ipv4/inet_hashtables.c index 48d45008f749..90f422c9447b 100644 --- a/net/ipv4/inet_hashtables.c +++ b/net/ipv4/inet_hashtables.c @@ -66,8 +66,9 @@ void inet_bind_hash(struct sock *sk, struct inet_bind_bucket *tb, /* * Get rid of any references to a local port held by the given sock. */ -static void __inet_put_port(struct inet_hashinfo *hashinfo, struct sock *sk) +static void __inet_put_port(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; const int bhash = inet_bhashfn(inet_sk(sk)->num, hashinfo->bhash_size); struct inet_bind_hashbucket *head = &hashinfo->bhash[bhash]; struct inet_bind_bucket *tb; @@ -81,10 +82,10 @@ static void __inet_put_port(struct inet_hashinfo *hashinfo, struct sock *sk) spin_unlock(&head->lock); } -void inet_put_port(struct inet_hashinfo *hashinfo, struct sock *sk) +void inet_put_port(struct sock *sk) { local_bh_disable(); - __inet_put_port(hashinfo, sk); + __inet_put_port(sk); local_bh_enable(); } @@ -317,8 +318,9 @@ static inline u32 inet_sk_port_offset(const struct sock *sk) inet->dport); } -void __inet_hash_nolisten(struct inet_hashinfo *hashinfo, struct sock *sk) +void __inet_hash_nolisten(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct hlist_head *list; rwlock_t *lock; struct inet_ehash_bucket *head; @@ -337,13 +339,14 @@ void __inet_hash_nolisten(struct inet_hashinfo *hashinfo, struct sock *sk) } EXPORT_SYMBOL_GPL(__inet_hash_nolisten); -void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) +static void __inet_hash(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct hlist_head *list; rwlock_t *lock; if (sk->sk_state != TCP_LISTEN) { - __inet_hash_nolisten(hashinfo, sk); + __inet_hash_nolisten(sk); return; } @@ -357,13 +360,48 @@ void __inet_hash(struct inet_hashinfo *hashinfo, struct sock *sk) write_unlock(lock); wake_up(&hashinfo->lhash_wait); } -EXPORT_SYMBOL_GPL(__inet_hash); + +void inet_hash(struct sock *sk) +{ + if (sk->sk_state != TCP_CLOSE) { + local_bh_disable(); + __inet_hash(sk); + local_bh_enable(); + } +} +EXPORT_SYMBOL_GPL(inet_hash); + +void inet_unhash(struct sock *sk) +{ + rwlock_t *lock; + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; + + if (sk_unhashed(sk)) + goto out; + + if (sk->sk_state == TCP_LISTEN) { + local_bh_disable(); + inet_listen_wlock(hashinfo); + lock = &hashinfo->lhash_lock; + } else { + lock = inet_ehash_lockp(hashinfo, sk->sk_hash); + write_lock_bh(lock); + } + + if (__sk_del_node_init(sk)) + sock_prot_inuse_add(sk->sk_prot, -1); + write_unlock_bh(lock); +out: + if (sk->sk_state == TCP_LISTEN) + wake_up(&hashinfo->lhash_wait); +} +EXPORT_SYMBOL_GPL(inet_unhash); int __inet_hash_connect(struct inet_timewait_death_row *death_row, struct sock *sk, int (*check_established)(struct inet_timewait_death_row *, struct sock *, __u16, struct inet_timewait_sock **), - void (*hash)(struct inet_hashinfo *, struct sock *)) + void (*hash)(struct sock *sk)) { struct inet_hashinfo *hinfo = death_row->hashinfo; const unsigned short snum = inet_sk(sk)->num; @@ -427,7 +465,7 @@ ok: inet_bind_hash(sk, tb, port); if (sk_unhashed(sk)) { inet_sk(sk)->sport = htons(port); - hash(hinfo, sk); + hash(sk); } spin_unlock(&head->lock); @@ -444,7 +482,7 @@ ok: tb = inet_csk(sk)->icsk_bind_hash; spin_lock_bh(&head->lock); if (sk_head(&tb->owners) == sk && !sk->sk_bind_node.next) { - hash(hinfo, sk); + hash(sk); spin_unlock_bh(&head->lock); return 0; } else { diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index a0d373bd9065..071e83a894ad 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -1669,7 +1669,7 @@ void tcp_set_state(struct sock *sk, int state) sk->sk_prot->unhash(sk); if (inet_csk(sk)->icsk_bind_hash && !(sk->sk_userlocks & SOCK_BINDPORT_LOCK)) - inet_put_port(&tcp_hashinfo, sk); + inet_put_port(sk); /* fall through */ default: if (oldstate==TCP_ESTABLISHED) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 77c1939a2b0d..63414ea427c5 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -108,22 +108,6 @@ struct inet_hashinfo __cacheline_aligned tcp_hashinfo = { .lhash_wait = __WAIT_QUEUE_HEAD_INITIALIZER(tcp_hashinfo.lhash_wait), }; -static int tcp_v4_get_port(struct sock *sk, unsigned short snum) -{ - return inet_csk_get_port(&tcp_hashinfo, sk, snum, - inet_csk_bind_conflict); -} - -static void tcp_v4_hash(struct sock *sk) -{ - inet_hash(&tcp_hashinfo, sk); -} - -void tcp_unhash(struct sock *sk) -{ - inet_unhash(&tcp_hashinfo, sk); -} - static inline __u32 tcp_v4_init_sequence(struct sk_buff *skb) { return secure_tcp_sequence_number(ip_hdr(skb)->daddr, @@ -1478,8 +1462,8 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb, } #endif - __inet_hash_nolisten(&tcp_hashinfo, newsk); - __inet_inherit_port(&tcp_hashinfo, sk, newsk); + __inet_hash_nolisten(newsk); + __inet_inherit_port(sk, newsk); return newsk; @@ -1827,6 +1811,7 @@ struct inet_connection_sock_af_ops ipv4_specific = { .getsockopt = ip_getsockopt, .addr2sockaddr = inet_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in), + .bind_conflict = inet_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ip_setsockopt, .compat_getsockopt = compat_ip_getsockopt, @@ -1926,7 +1911,7 @@ int tcp_v4_destroy_sock(struct sock *sk) /* Clean up a referenced TCP bind bucket. */ if (inet_csk(sk)->icsk_bind_hash) - inet_put_port(&tcp_hashinfo, sk); + inet_put_port(sk); /* * If sendmsg cached page exists, toss it. @@ -2435,9 +2420,9 @@ struct proto tcp_prot = { .getsockopt = tcp_getsockopt, .recvmsg = tcp_recvmsg, .backlog_rcv = tcp_v4_do_rcv, - .hash = tcp_v4_hash, - .unhash = tcp_unhash, - .get_port = tcp_v4_get_port, + .hash = inet_hash, + .unhash = inet_unhash, + .get_port = inet_csk_get_port, .enter_memory_pressure = tcp_enter_memory_pressure, .sockets_allocated = &tcp_sockets_allocated, .orphan_count = &tcp_orphan_count, @@ -2450,6 +2435,7 @@ struct proto tcp_prot = { .obj_size = sizeof(struct tcp_sock), .twsk_prot = &tcp_timewait_sock_ops, .rsk_prot = &tcp_request_sock_ops, + .hashinfo = &tcp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, @@ -2467,7 +2453,6 @@ void __init tcp_v4_init(struct net_proto_family *ops) EXPORT_SYMBOL(ipv4_specific); EXPORT_SYMBOL(tcp_hashinfo); EXPORT_SYMBOL(tcp_prot); -EXPORT_SYMBOL(tcp_unhash); EXPORT_SYMBOL(tcp_v4_conn_request); EXPORT_SYMBOL(tcp_v4_connect); EXPORT_SYMBOL(tcp_v4_do_rcv); diff --git a/net/ipv6/inet6_hashtables.c b/net/ipv6/inet6_hashtables.c index d325a9958909..43f3993e1f30 100644 --- a/net/ipv6/inet6_hashtables.c +++ b/net/ipv6/inet6_hashtables.c @@ -22,9 +22,9 @@ #include <net/inet6_hashtables.h> #include <net/ip.h> -void __inet6_hash(struct inet_hashinfo *hashinfo, - struct sock *sk) +void __inet6_hash(struct sock *sk) { + struct inet_hashinfo *hashinfo = sk->sk_prot->hashinfo; struct hlist_head *list; rwlock_t *lock; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 59d0029e93a7..12750f2b05ab 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -86,12 +86,6 @@ static struct tcp_sock_af_ops tcp_sock_ipv6_specific; static struct tcp_sock_af_ops tcp_sock_ipv6_mapped_specific; #endif -static int tcp_v6_get_port(struct sock *sk, unsigned short snum) -{ - return inet_csk_get_port(&tcp_hashinfo, sk, snum, - inet6_csk_bind_conflict); -} - static void tcp_v6_hash(struct sock *sk) { if (sk->sk_state != TCP_CLOSE) { @@ -100,7 +94,7 @@ static void tcp_v6_hash(struct sock *sk) return; } local_bh_disable(); - __inet6_hash(&tcp_hashinfo, sk); + __inet6_hash(sk); local_bh_enable(); } } @@ -1504,8 +1498,8 @@ static struct sock * tcp_v6_syn_recv_sock(struct sock *sk, struct sk_buff *skb, } #endif - __inet6_hash(&tcp_hashinfo, newsk); - inet_inherit_port(&tcp_hashinfo, sk, newsk); + __inet6_hash(newsk); + inet_inherit_port(sk, newsk); return newsk; @@ -1833,6 +1827,7 @@ static struct inet_connection_sock_af_ops ipv6_specific = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, @@ -1864,6 +1859,7 @@ static struct inet_connection_sock_af_ops ipv6_mapped = { .getsockopt = ipv6_getsockopt, .addr2sockaddr = inet6_csk_addr2sockaddr, .sockaddr_len = sizeof(struct sockaddr_in6), + .bind_conflict = inet6_csk_bind_conflict, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_ipv6_setsockopt, .compat_getsockopt = compat_ipv6_getsockopt, @@ -2127,8 +2123,8 @@ struct proto tcpv6_prot = { .recvmsg = tcp_recvmsg, .backlog_rcv = tcp_v6_do_rcv, .hash = tcp_v6_hash, - .unhash = tcp_unhash, - .get_port = tcp_v6_get_port, + .unhash = inet_unhash, + .get_port = inet_csk_get_port, .enter_memory_pressure = tcp_enter_memory_pressure, .sockets_allocated = &tcp_sockets_allocated, .memory_allocated = &tcp_memory_allocated, @@ -2141,6 +2137,7 @@ struct proto tcpv6_prot = { .obj_size = sizeof(struct tcp6_sock), .twsk_prot = &tcp6_timewait_sock_ops, .rsk_prot = &tcp6_request_sock_ops, + .hashinfo = &tcp_hashinfo, #ifdef CONFIG_COMPAT .compat_setsockopt = compat_tcp_setsockopt, .compat_getsockopt = compat_tcp_getsockopt, diff --git a/net/mac80211/Kconfig b/net/mac80211/Kconfig index 09c255002e56..e77592d050ce 100644 --- a/net/mac80211/Kconfig +++ b/net/mac80211/Kconfig @@ -98,6 +98,18 @@ config MAC80211_DEBUGFS Say N unless you know you need this. +config MAC80211_DEBUG_PACKET_ALIGNMENT + bool "Enable packet alignment debugging" + depends on MAC80211 + help + This option is recommended for driver authors and strongly + discouraged for everybody else, it will trigger a warning + when a driver hands mac80211 a buffer that is aligned in + a way that will cause problems with the IP stack on some + architectures. + + Say N unless you're writing a mac80211 based driver. + config MAC80211_DEBUG bool "Enable debugging output" depends on MAC80211 diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c index 5dcc2d61551f..67b7c75c430d 100644 --- a/net/mac80211/ieee80211.c +++ b/net/mac80211/ieee80211.c @@ -1344,17 +1344,17 @@ static int __init ieee80211_init(void) ret = rc80211_simple_init(); if (ret) - goto fail; + goto out; ret = rc80211_pid_init(); if (ret) - goto fail_simple; + goto out_cleanup_simple; ret = ieee80211_wme_register(); if (ret) { printk(KERN_DEBUG "ieee80211_init: failed to " "initialize WME (err=%d)\n", ret); - goto fail_pid; + goto out_cleanup_pid; } ieee80211_debugfs_netdev_init(); @@ -1362,11 +1362,11 @@ static int __init ieee80211_init(void) return 0; - fail_pid: - rc80211_simple_exit(); - fail_simple: + out_cleanup_pid: rc80211_pid_exit(); - fail: + out_cleanup_simple: + rc80211_simple_exit(); + out: return ret; } diff --git a/net/mac80211/rc80211_pid_algo.c b/net/mac80211/rc80211_pid_algo.c index 554c4baed6fb..c339571632b2 100644 --- a/net/mac80211/rc80211_pid_algo.c +++ b/net/mac80211/rc80211_pid_algo.c @@ -538,7 +538,7 @@ int __init rc80211_pid_init(void) return ieee80211_rate_control_register(&mac80211_rcpid); } -void __exit rc80211_pid_exit(void) +void rc80211_pid_exit(void) { ieee80211_rate_control_unregister(&mac80211_rcpid); } diff --git a/net/mac80211/rc80211_simple.c b/net/mac80211/rc80211_simple.c index 934676d687d6..9a78b116acff 100644 --- a/net/mac80211/rc80211_simple.c +++ b/net/mac80211/rc80211_simple.c @@ -389,7 +389,7 @@ int __init rc80211_simple_init(void) return ieee80211_rate_control_register(&mac80211_rcsimple); } -void __exit rc80211_simple_exit(void) +void rc80211_simple_exit(void) { ieee80211_rate_control_unregister(&mac80211_rcsimple); } diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index d44c87269bcb..535407d07fa4 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -340,11 +340,15 @@ static u32 ieee80211_rx_load_stats(struct ieee80211_local *local, return load; } +#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT static ieee80211_txrx_result ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx) { int hdrlen; + if (!WLAN_FC_DATA_PRESENT(rx->fc)) + return TXRX_CONTINUE; + /* * Drivers are required to align the payload data in a way that * guarantees that the contained IP header is aligned to a four- @@ -371,11 +375,14 @@ ieee80211_rx_h_verify_ip_alignment(struct ieee80211_txrx_data *rx) return TXRX_CONTINUE; } +#endif ieee80211_rx_handler ieee80211_rx_pre_handlers[] = { ieee80211_rx_h_parse_qos, +#ifdef CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT ieee80211_rx_h_verify_ip_alignment, +#endif NULL }; diff --git a/sound/oss/via82cxxx_audio.c b/sound/oss/via82cxxx_audio.c index 5d3c0372df32..f95aa0946758 100644 --- a/sound/oss/via82cxxx_audio.c +++ b/sound/oss/via82cxxx_audio.c @@ -2104,6 +2104,7 @@ static struct page * via_mm_nopage (struct vm_area_struct * vma, { struct via_info *card = vma->vm_private_data; struct via_channel *chan = &card->ch_out; + unsigned long max_bufs; struct page *dmapage; unsigned long pgoff; int rd, wr; @@ -2127,14 +2128,11 @@ static struct page * via_mm_nopage (struct vm_area_struct * vma, rd = card->ch_in.is_mapped; wr = card->ch_out.is_mapped; -#ifndef VIA_NDEBUG - { - unsigned long max_bufs = chan->frag_number; - if (rd && wr) max_bufs *= 2; - /* via_dsp_mmap() should ensure this */ - assert (pgoff < max_bufs); - } -#endif + max_bufs = chan->frag_number; + if (rd && wr) + max_bufs *= 2; + if (pgoff >= max_bufs) + return NOPAGE_SIGBUS; /* if full-duplex (read+write) and we have two sets of bufs, * then the playback buffers come first, sez soundcard.c */ diff --git a/sound/usb/usx2y/usX2Yhwdep.c b/sound/usb/usx2y/usX2Yhwdep.c index 6495534e5bf6..1558a5c4094f 100644 --- a/sound/usb/usx2y/usX2Yhwdep.c +++ b/sound/usb/usx2y/usX2Yhwdep.c @@ -84,7 +84,7 @@ static int snd_us428ctls_mmap(struct snd_hwdep * hw, struct file *filp, struct v us428->us428ctls_sharedmem->CtlSnapShotLast = -2; } area->vm_ops = &us428ctls_vm_ops; - area->vm_flags |= VM_RESERVED; + area->vm_flags |= VM_RESERVED | VM_DONTEXPAND; area->vm_private_data = hw->private_data; return 0; } diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c index 800b5cecfc80..117946f2debb 100644 --- a/sound/usb/usx2y/usx2yhwdeppcm.c +++ b/sound/usb/usx2y/usx2yhwdeppcm.c @@ -722,7 +722,7 @@ static int snd_usX2Y_hwdep_pcm_mmap(struct snd_hwdep * hw, struct file *filp, st return -ENODEV; } area->vm_ops = &snd_usX2Y_hwdep_pcm_vm_ops; - area->vm_flags |= VM_RESERVED; + area->vm_flags |= VM_RESERVED | VM_DONTEXPAND; area->vm_private_data = hw->private_data; return 0; } |