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* cassini: Only use chip checksum for ipv4 packets.David S. Miller2008-05-221-4/+7
| | | | | | | | | | | | | | According to David Monro, at least with Natsemi Saturn chips the cassini driver has some trouble with ipv6 checksums. Until we have more information about what's going on here, only use the chip checksums for ipv4. This workaround was suggested and tested by David. Update version and release date. Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Use shorter list_splice_init() macro for brevity.Robert P. J. Day2008-03-241-8/+4
| | | | | Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* NULL noise in drivers/netAl Viro2008-01-291-1/+1
| | | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: use ARRAY_SIZE() instead of sizeof(array) / ETH_GSTRING_LENAlejandro Martinez Ruiz2008-01-291-1/+1
| | | | | | | | Using ARRAY_SIZE() on arrays of the form array[][K] makes it unnecessary to know the value of K when checking its size. Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [CASSINI]: Bump driver version and release date.David S. Miller2008-01-041-2/+2
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Fix two obvious NAPI bugs.David S. Miller2008-01-041-2/+2
| | | | | | | 1) close should do napi_disable() not napi_enable 2) remove unused local var 'todo' Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Set skb->truesize properly on receive packets.David S. Miller2008-01-041-0/+1
| | | | | | | skb->truesize was not being incremented at all to reflect the page based data added to RX SKBs. Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Program parent Intel31154 bridge when necessary.David S. Miller2008-01-041-0/+86
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Revert 'dont touch page_count'.David S. Miller2008-01-041-32/+4
| | | | | | | | | | | | | | | This reverts changeset fa4f0774d7c6cccb4d1fda76b91dd8eddcb2dd6a ([CASSINI]: dont touch page_count) because it breaks the driver. The local page counting added by this changeset did not account for the asynchronous page count changes done by kfree_skb() and friends. The change adds extra atomics and on top of it all appears to be totally unnecessary as well. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Nick Piggin <npiggin@suse.de>
* [CASSINI]: Fix endianness bug.Al Viro2008-01-041-3/+5
| | | | | | | | | | | | | | | | | | | Here's proposed fix for RX checksum handling in cassini; it affects little-endian working with half-duplex gigabit, but obviously needs testing on big-endian too. The problem is, we need to convert checksum to fixed-endian *before* correcting for (unstripped) FCS. On big-endian it won't matter (conversion is no-op), on little-endian it will, but only if FCS is not stripped by hardware; i.e. in half-duplex gigabit mode when ->crc_size is set. cassini.c part is that fix, cassini.h one consists of trivial endianness annotations. With that applied the sucker is endian-clean, according to sparse. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: convert non-obvious instances to use ARRAY_SIZE()Alejandro Martinez Ruiz2007-10-151-1/+1
| | | | | | | | This will convert remaining non-obvious or naive calculations of array sizes to use ARRAY_SIZE() macro. Signed-off-by: Alejandro Martinez Ruiz <alex@flawedcode.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [netdrvr] Stop using legacy hooks ->self_test_count, ->get_stats_countJeff Garzik2007-10-111-3/+8
| | | | | | | These have been superceded by the new ->get_sset_count() hook. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Introduce and use print_mac() and DECLARE_MAC_BUF()Joe Perches2007-10-111-7/+4
| | | | | | | This is nicer than the MAC_FMT stuff. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Nuke SET_MODULE_OWNER macro.Ralf Baechle2007-10-111-1/+0
| | | | | | | | | | | | It's been a useless no-op for long enough in 2.6 so I figured it's time to remove it. The number of people that could object because they're maintaining unified 2.4 and 2.6 drivers is probably rather small. [ Handled drivers added by netdev tree and some missed IRDA cases... -DaveM ] Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make NAPI polling independent of struct net_device objects.Stephen Hemminger2007-10-111-20/+20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several devices have multiple independant RX queues per net device, and some have a single interrupt doorbell for several queues. In either case, it's easier to support layouts like that if the structure representing the poll is independant from the net device itself. The signature of the ->poll() call back goes from: int foo_poll(struct net_device *dev, int *budget) to int foo_poll(struct napi_struct *napi, int budget) The caller is returned the number of RX packets processed (or the number of "NAPI credits" consumed if you want to get abstract). The callee no longer messes around bumping dev->quota, *budget, etc. because that is all handled in the caller upon return. The napi_struct is to be embedded in the device driver private data structures. Furthermore, it is the driver's responsibility to disable all NAPI instances in it's ->stop() device close handler. Since the napi_struct is privatized into the driver's private data structures, only the driver knows how to get at all of the napi_struct instances it may have per-device. With lots of help and suggestions from Rusty Russell, Roland Dreier, Michael Chan, Jeff Garzik, and Jamal Hadi Salim. Bug fixes from Thomas Graf, Roland Dreier, Peter Zijlstra, Joseph Fannin, Scott Wood, Hans J. Koch, and Michael Chan. [ Ported to current tree and all drivers converted. Integrated Stephen's follow-on kerneldoc additions, and restored poll_list handling to the old style to fix mutual exclusion issues. -DaveM ] Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* PCI: add pci_try_set_mwiRandy Dunlap2007-07-121-2/+2
| | | | | | | | | | | | | | | As suggested by Andrew, add pci_try_set_mwi(), which does not require return-value checking. - add pci_try_set_mwi() without __must_check - make it return 0 on success, errno if the "try" failed or error - review callers Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* PCI: Change all drivers to use pci_device->revisionAuke Kok2007-07-121-5/+3
| | | | | | | | | | | | | | | | | | | | Instead of all drivers reading pci config space to get the revision ID, they can now use the pci_device->revision member. This exposes some issues where drivers where reading a word or a dword for the revision number, and adding useless error-handling around the read. Some drivers even just read it for no purpose of all. In devices where the revision ID is being copied over and used in what appears to be the equivalent of hotpath, I have left the copy code and the cached copy as not to influence the driver's performance. Compile tested with make all{yes,mod}config on x86_64 and i386. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Acked-by: Dave Jones <davej@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* [CASSINI]: Fix printk message typo.David S. Miller2007-05-311-1/+1
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Check pci_set_mwi() return value.David S. Miller2007-05-251-1/+4
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* [SK_BUFF]: Introduce skb_copy_from_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-261-2/+2
| | | | | | | To clearly state the intent of copying from linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
* [SK_BUFF]: Introduce skb_transport_offset()Arnaldo Carvalho de Melo2007-04-261-4/+2
| | | | | | | For the quite common 'skb->h.raw - skb->data' sequence. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ETH]: Make eth_type_trans set skb->dev like the other *_type_transArnaldo Carvalho de Melo2007-04-261-1/+0
| | | | | | | One less thing for drivers writers to worry about. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David Howells2006-12-051-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 Conflicts: drivers/infiniband/core/iwcm.c drivers/net/chelsio/cxgb2.c drivers/net/wireless/bcm43xx/bcm43xx_main.c drivers/net/wireless/prism54/islpci_eth.c drivers/usb/core/hub.h drivers/usb/input/hid-core.c net/core/netpoll.c Fix up merge failures with Linus's head and fix new compilation failures. Signed-Off-By: David Howells <dhowells@redhat.com>
| * [NET]: Split skb->csumAl Viro2006-12-031-1/+1
| | | | | | | | | | | | | | ... into anonymous union of __wsum and __u32 (csum and csum_offset resp.) Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* | WorkStruct: make allyesconfigDavid Howells2006-11-221-3/+3
|/ | | | | | Fix up for make allyesconfig. Signed-Off-By: David Howells <dhowells@redhat.com>
* IRQ: Maintain regs pointer globally rather than passing to IRQ handlersDavid Howells2006-10-051-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Maintain a per-CPU global "struct pt_regs *" variable which can be used instead of passing regs around manually through all ~1800 interrupt handlers in the Linux kernel. The regs pointer is used in few places, but it potentially costs both stack space and code to pass it around. On the FRV arch, removing the regs parameter from all the genirq function results in a 20% speed up of the IRQ exit path (ie: from leaving timer_interrupt() to leaving do_IRQ()). Where appropriate, an arch may override the generic storage facility and do something different with the variable. On FRV, for instance, the address is maintained in GR28 at all times inside the kernel as part of general exception handling. Having looked over the code, it appears that the parameter may be handed down through up to twenty or so layers of functions. Consider a USB character device attached to a USB hub, attached to a USB controller that posts its interrupts through a cascaded auxiliary interrupt controller. A character device driver may want to pass regs to the sysrq handler through the input layer which adds another few layers of parameter passing. I've build this code with allyesconfig for x86_64 and i386. I've runtested the main part of the code on FRV and i386, though I can't test most of the drivers. I've also done partial conversion for powerpc and MIPS - these at least compile with minimal configurations. This will affect all archs. Mostly the changes should be relatively easy. Take do_IRQ(), store the regs pointer at the beginning, saving the old one: struct pt_regs *old_regs = set_irq_regs(regs); And put the old one back at the end: set_irq_regs(old_regs); Don't pass regs through to generic_handle_irq() or __do_IRQ(). In timer_interrupt(), this sort of change will be necessary: - update_process_times(user_mode(regs)); - profile_tick(CPU_PROFILING, regs); + update_process_times(user_mode(get_irq_regs())); + profile_tick(CPU_PROFILING); I'd like to move update_process_times()'s use of get_irq_regs() into itself, except that i386, alone of the archs, uses something other than user_mode(). Some notes on the interrupt handling in the drivers: (*) input_dev() is now gone entirely. The regs pointer is no longer stored in the input_dev struct. (*) finish_unlinks() in drivers/usb/host/ohci-q.c needs checking. It does something different depending on whether it's been supplied with a regs pointer or not. (*) Various IRQ handler function pointers have been moved to type irq_handler_t. Signed-Off-By: David Howells <dhowells@redhat.com> (cherry picked from 1b16e7ac850969f38b375e511e3fa2f474a33867 commit)
* Merge branch 'upstream-linus' of ↵Linus Torvalds2006-09-241-270/+270
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: (217 commits) net/ieee80211: fix more crypto-related build breakage [PATCH] Spidernet: add ethtool -S (show statistics) [NET] GT96100: Delete bitrotting ethernet driver [PATCH] mv643xx_eth: restrict to 32-bit PPC_MULTIPLATFORM [PATCH] Cirrus Logic ep93xx ethernet driver r8169: the MMIO region of the 8167 stands behin BAR#1 e1000, ixgb: Remove pointless wrappers [PATCH] Remove powerpc specific parts of 3c509 driver [PATCH] s2io: Switch to pci_get_device [PATCH] gt96100: move to pci_get_device API [PATCH] ehea: bugfix for register access functions [PATCH] e1000 disable device on PCI error drivers/net/phy/fixed: #if 0 some incomplete code drivers/net: const-ify ethtool_ops declarations [PATCH] ethtool: allow const ethtool_ops [PATCH] sky2: big endian [PATCH] sky2: fiber support [PATCH] sky2: tx pause bug fix drivers/net: Trim trailing whitespace [PATCH] ehea: IBM eHEA Ethernet Device Driver ... Manually resolved conflicts in drivers/net/ixgb/ixgb_main.c and drivers/net/sky2.c related to CHECKSUM_HW/CHECKSUM_PARTIAL changes by commit 84fa7933a33f806bbbaae6775e87459b1ec584c0 that just happened to be next to unrelated changes in this update.
| * drivers/net: const-ify ethtool_ops declarationsJeff Garzik2006-09-131-1/+1
| | | | | | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * drivers/net: Trim trailing whitespaceJeff Garzik2006-09-131-268/+268
| | | | | | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * drivers/net: Remove deprecated use of pci_module_init()Jeff Garzik2006-08-191-1/+1
| | | | | | | | | | | | | | From: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Michal Piotrowski <michal.k.k.piotrowski@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | [NET]: Replace CHECKSUM_HW by CHECKSUM_PARTIAL/CHECKSUM_COMPLETEPatrick McHardy2006-09-221-2/+2
|/ | | | | | | | | | | Replace CHECKSUM_HW by CHECKSUM_PARTIAL (for outgoing packets, whose checksum still needs to be completed) and CHECKSUM_COMPLETE (for incoming packets, device supplied full checksum). Patch originally from Herbert Xu, updated by myself for 2.6.18-rc3. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [netdrvr] use dev_xxx() printk helpers, rather than dev_printk(KERN_xxx, ...Jeff Garzik2006-07-051-15/+10
| | | | | | Suggested by Jiri Slaby. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [netdrvr] Use dev_printk() when ethernet interface isn't availableJeff Garzik2006-07-051-10/+10
| | | | | | | | | | For messages prior to register_netdev(), prefer dev_printk() because that prints out both our driver name and our [PCI | whatever] bus id. Updates: 8139{cp,too}, b44, bnx2, cassini, {eepro,epic}100, fealnx, hamachi, ne2k-pci, ns83820, pci-skeleton, r8169. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] irq-flags: drivers/net: Use the new IRQF_ constantsThomas Gleixner2006-07-021-1/+1
| | | | | | | | | | Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@elte.hu> Cc: "David S. Miller" <davem@davemloft.net> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-301-1/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [NET]: Avoid allocating skb in skb_padHerbert Xu2006-06-231-2/+1
| | | | | | | | | | | | | | | | | | | | First of all it is unnecessary to allocate a new skb in skb_pad since the existing one is not shared. More importantly, our hard_start_xmit interface does not allow a new skb to be allocated since that breaks requeueing. This patch uses pskb_expand_head to expand the existing skb and linearize it if needed. Actually, someone should sift through every instance of skb_pad on a non-linear skb as they do not fit the reasons why this was originally created. Incidentally, this fixes a minor bug when the skb is cloned (tcpdump, TCP, etc.). As it is skb_pad will simply write over a cloned skb. Because of the position of the write it is unlikely to cause problems but still it's best if we don't do it. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] netdrvr: Convert cassini to pci_iomapMarc Zyngier2006-04-201-5/+4
| | | | | | | | | | | | | | Folks, This patch (against 2.6.17-rc1) converts the cassini driver to the pci_iomap API that will do the right thing, so architectures like PARISC can stop screaming about illegal usage of ioremap() on non-cacheable regions. Tested on 64bit PARISC kernel. Signed-off-by: Marc Zyngier <maz@misterjones.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] Remove MODULE_PARMRusty Russell2006-03-251-5/+6
| | | | | | | | | | MODULE_PARM was actually breaking: recent gcc version optimize them out as unused. It's time to replace the last users, which are generally in the most unloved drivers anyway. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CASSINI]: sem2mutexIngo Molnar2006-03-211-20/+20
| | | | | | | | | | | Semaphore to mutexes conversion. The conversion was generated via scripts, and the result was validated automatically via a script as well. Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: dont touch page_countNick Piggin2006-01-181-4/+32
| | | | | | | | Remove page refcount manipulations from cassini driver by using another field in struct page. Needed for lockless pagecache. Signed-off-by: Nick Piggin <npiggin@suse.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [CASSINI]: Fix printk warning.Andrew Morton2006-01-181-2/+2
| | | | | | | drivers/net/cassini.c:1930: warning: long unsigned int format, different type arg (arg 4) Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] changing CONFIG_LOCALVERSION rebuilds too much, for no good reasonOlaf Hering2005-11-091-1/+0
| | | | | | | | | | | | | | | | | | | | | This patch removes almost all inclusions of linux/version.h. The 3 #defines are unused in most of the touched files. A few drivers use the simple KERNEL_VERSION(a,b,c) macro, which is unfortunatly in linux/version.h. There are also lots of #ifdef for long obsolete kernels, this was not touched. In a few places, the linux/version.h include was move to where the LINUX_VERSION_CODE was used. quilt vi `find * -type f -name "*.[ch]"|xargs grep -El '(UTS_RELEASE|LINUX_VERSION_CODE|KERNEL_VERSION|linux/version.h)'|grep -Ev '(/(boot|coda|drm)/|~$)'` search pattern: /UTS_RELEASE\|LINUX_VERSION_CODE\|KERNEL_VERSION\|linux\/\(utsname\|version\).h Signed-off-by: Olaf Hering <olh@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [PATCH] gfp_t: drivers/netAl Viro2005-10-281-2/+2
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [CASSINI]: Convert to ethtool_opsAl Viro2005-10-031-288/+214
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] cassini annotations and fixesAl Viro2005-09-301-9/+9
| | | | | | | | | | | | | | - __user annotations - NULL noise removal - C99 initializers - s/u32/pm_message_t/ in ->suspend() - removal of bogus casts in iounmap() arguments - if_mii() instead of open-coded variant Remains to be done: ethtool conversion. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* [NET]: Add Sun Cassini driver.David S. Miller2005-09-281-0/+5311
Written by Adrian Sun (asun@darksunrising.com). Ported to 2.6.x by Tom 'spot' Callaway <tcallawa@redhat.com>. Further cleaned up and integrated by David S. Miller Signed-off-by: David S. Miller <davem@davemloft.net>
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