diff options
Diffstat (limited to 'drivers/net/typhoon.c')
| -rw-r--r-- | drivers/net/typhoon.c | 104 |
1 files changed, 82 insertions, 22 deletions
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c index 3af9a9516ccb..9dd4f76a2ff5 100644 --- a/drivers/net/typhoon.c +++ b/drivers/net/typhoon.c @@ -100,10 +100,11 @@ static const int multicast_filter_limit = 32; #define PKT_BUF_SZ 1536 #define DRV_MODULE_NAME "typhoon" -#define DRV_MODULE_VERSION "1.5.8" -#define DRV_MODULE_RELDATE "06/11/09" +#define DRV_MODULE_VERSION "1.5.9" +#define DRV_MODULE_RELDATE "Mar 2, 2009" #define PFX DRV_MODULE_NAME ": " #define ERR_PFX KERN_ERR PFX +#define FIRMWARE_NAME "3com/typhoon.bin" #include <linux/module.h> #include <linux/kernel.h> @@ -129,9 +130,9 @@ static const int multicast_filter_limit = 32; #include <asm/uaccess.h> #include <linux/in6.h> #include <linux/dma-mapping.h> +#include <linux/firmware.h> #include "typhoon.h" -#include "typhoon-firmware.h" static char version[] __devinitdata = "typhoon.c: version " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; @@ -139,6 +140,7 @@ static char version[] __devinitdata = MODULE_AUTHOR("David Dillow <dave@thedillows.org>"); MODULE_VERSION(DRV_MODULE_VERSION); MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(FIRMWARE_NAME); MODULE_DESCRIPTION("3Com Typhoon Family (3C990, 3CR990, and variants)"); MODULE_PARM_DESC(rx_copybreak, "Packets smaller than this are copied and " "the buffer given back to the NIC. Default " @@ -1344,14 +1346,74 @@ typhoon_init_rings(struct typhoon *tp) tp->txHiRing.lastRead = 0; } +static const struct firmware *typhoon_fw; + +static int +typhoon_request_firmware(struct typhoon *tp) +{ + const struct typhoon_file_header *fHdr; + const struct typhoon_section_header *sHdr; + const u8 *image_data; + u32 numSections; + u32 section_len; + u32 remaining; + int err; + + if (typhoon_fw) + return 0; + + err = request_firmware(&typhoon_fw, FIRMWARE_NAME, &tp->pdev->dev); + if (err) { + printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n", + tp->name, FIRMWARE_NAME); + return err; + } + + image_data = (u8 *) typhoon_fw->data; + remaining = typhoon_fw->size; + if (remaining < sizeof(struct typhoon_file_header)) + goto invalid_fw; + + fHdr = (struct typhoon_file_header *) image_data; + if (memcmp(fHdr->tag, "TYPHOON", 8)) + goto invalid_fw; + + numSections = le32_to_cpu(fHdr->numSections); + image_data += sizeof(struct typhoon_file_header); + remaining -= sizeof(struct typhoon_file_header); + + while (numSections--) { + if (remaining < sizeof(struct typhoon_section_header)) + goto invalid_fw; + + sHdr = (struct typhoon_section_header *) image_data; + image_data += sizeof(struct typhoon_section_header); + section_len = le32_to_cpu(sHdr->len); + + if (remaining < section_len) + goto invalid_fw; + + image_data += section_len; + remaining -= section_len; + } + + return 0; + +invalid_fw: + printk(KERN_ERR "%s: Invalid firmware image\n", tp->name); + release_firmware(typhoon_fw); + typhoon_fw = NULL; + return -EINVAL; +} + static int typhoon_download_firmware(struct typhoon *tp) { void __iomem *ioaddr = tp->ioaddr; struct pci_dev *pdev = tp->pdev; - struct typhoon_file_header *fHdr; - struct typhoon_section_header *sHdr; - u8 *image_data; + const struct typhoon_file_header *fHdr; + const struct typhoon_section_header *sHdr; + const u8 *image_data; void *dpage; dma_addr_t dpage_dma; __sum16 csum; @@ -1365,20 +1427,12 @@ typhoon_download_firmware(struct typhoon *tp) int i; int err; - err = -EINVAL; - fHdr = (struct typhoon_file_header *) typhoon_firmware_image; - image_data = (u8 *) fHdr; - - if(memcmp(fHdr->tag, "TYPHOON", 8)) { - printk(KERN_ERR "%s: Invalid firmware image!\n", tp->name); - goto err_out; - } + image_data = (u8 *) typhoon_fw->data; + fHdr = (struct typhoon_file_header *) image_data; /* Cannot just map the firmware image using pci_map_single() as - * the firmware is part of the kernel/module image, so we allocate - * some consistent memory to copy the sections into, as it is simpler, - * and short-lived. If we ever split out and require a userland - * firmware loader, then we can revisit this. + * the firmware is vmalloc()'d and may not be physically contiguous, + * so we allocate some consistent memory to copy the sections into. */ err = -ENOMEM; dpage = pci_alloc_consistent(pdev, PAGE_SIZE, &dpage_dma); @@ -1783,7 +1837,7 @@ typhoon_poll(struct napi_struct *napi, int budget) } if (work_done < budget) { - netif_rx_complete(napi); + napi_complete(napi); iowrite32(TYPHOON_INTR_NONE, tp->ioaddr + TYPHOON_REG_INTR_MASK); typhoon_post_pci_writes(tp->ioaddr); @@ -1806,10 +1860,10 @@ typhoon_interrupt(int irq, void *dev_instance) iowrite32(intr_status, ioaddr + TYPHOON_REG_INTR_STATUS); - if (netif_rx_schedule_prep(&tp->napi)) { + if (napi_schedule_prep(&tp->napi)) { iowrite32(TYPHOON_INTR_ALL, ioaddr + TYPHOON_REG_INTR_MASK); typhoon_post_pci_writes(ioaddr); - __netif_rx_schedule(&tp->napi); + __napi_schedule(&tp->napi); } else { printk(KERN_ERR "%s: Error, poll already scheduled\n", dev->name); @@ -1944,7 +1998,7 @@ typhoon_start_runtime(struct typhoon *tp) goto error_out; INIT_COMMAND_NO_RESPONSE(&xp_cmd, TYPHOON_CMD_VLAN_TYPE_WRITE); - xp_cmd.parm1 = __constant_cpu_to_le16(ETH_P_8021Q); + xp_cmd.parm1 = cpu_to_le16(ETH_P_8021Q); err = typhoon_issue_command(tp, 1, &xp_cmd, 0, NULL); if(err < 0) goto error_out; @@ -2086,6 +2140,10 @@ typhoon_open(struct net_device *dev) struct typhoon *tp = netdev_priv(dev); int err; + err = typhoon_request_firmware(tp); + if (err) + goto out; + err = typhoon_wakeup(tp, WaitSleep); if(err < 0) { printk(KERN_ERR "%s: unable to wakeup device\n", dev->name); @@ -2624,6 +2682,8 @@ typhoon_init(void) static void __exit typhoon_cleanup(void) { + if (typhoon_fw) + release_firmware(typhoon_fw); pci_unregister_driver(&typhoon_driver); } |