diff options
Diffstat (limited to 'drivers/net/s2io.c')
-rw-r--r-- | drivers/net/s2io.c | 223 |
1 files changed, 140 insertions, 83 deletions
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c index 846873159662..1dcda887cef7 100644 --- a/drivers/net/s2io.c +++ b/drivers/net/s2io.c | |||
@@ -26,15 +26,22 @@ | |||
26 | * | 26 | * |
27 | * The module loadable parameters that are supported by the driver and a brief | 27 | * The module loadable parameters that are supported by the driver and a brief |
28 | * explaination of all the variables. | 28 | * explaination of all the variables. |
29 | * | ||
29 | * rx_ring_num : This can be used to program the number of receive rings used | 30 | * rx_ring_num : This can be used to program the number of receive rings used |
30 | * in the driver. | 31 | * in the driver. |
31 | * rx_ring_sz: This defines the number of descriptors each ring can have. This | 32 | * rx_ring_sz: This defines the number of receive blocks each ring can have. |
32 | * is also an array of size 8. | 33 | * This is also an array of size 8. |
33 | * rx_ring_mode: This defines the operation mode of all 8 rings. The valid | 34 | * rx_ring_mode: This defines the operation mode of all 8 rings. The valid |
34 | * values are 1, 2 and 3. | 35 | * values are 1, 2 and 3. |
35 | * tx_fifo_num: This defines the number of Tx FIFOs thats used int the driver. | 36 | * tx_fifo_num: This defines the number of Tx FIFOs thats used int the driver. |
36 | * tx_fifo_len: This too is an array of 8. Each element defines the number of | 37 | * tx_fifo_len: This too is an array of 8. Each element defines the number of |
37 | * Tx descriptors that can be associated with each corresponding FIFO. | 38 | * Tx descriptors that can be associated with each corresponding FIFO. |
39 | * intr_type: This defines the type of interrupt. The values can be 0(INTA), | ||
40 | * 1(MSI), 2(MSI_X). Default value is '0(INTA)' | ||
41 | * lro: Specifies whether to enable Large Receive Offload (LRO) or not. | ||
42 | * Possible values '1' for enable '0' for disable. Default is '0' | ||
43 | * lro_max_pkts: This parameter defines maximum number of packets can be | ||
44 | * aggregated as a single large packet | ||
38 | ************************************************************************/ | 45 | ************************************************************************/ |
39 | 46 | ||
40 | #include <linux/config.h> | 47 | #include <linux/config.h> |
@@ -299,10 +306,10 @@ static const u64 fix_mac[] = { | |||
299 | /* Module Loadable parameters. */ | 306 | /* Module Loadable parameters. */ |
300 | static unsigned int tx_fifo_num = 1; | 307 | static unsigned int tx_fifo_num = 1; |
301 | static unsigned int tx_fifo_len[MAX_TX_FIFOS] = | 308 | static unsigned int tx_fifo_len[MAX_TX_FIFOS] = |
302 | {[0 ...(MAX_TX_FIFOS - 1)] = 0 }; | 309 | {DEFAULT_FIFO_0_LEN, [1 ...(MAX_TX_FIFOS - 1)] = DEFAULT_FIFO_1_7_LEN}; |
303 | static unsigned int rx_ring_num = 1; | 310 | static unsigned int rx_ring_num = 1; |
304 | static unsigned int rx_ring_sz[MAX_RX_RINGS] = | 311 | static unsigned int rx_ring_sz[MAX_RX_RINGS] = |
305 | {[0 ...(MAX_RX_RINGS - 1)] = 0 }; | 312 | {[0 ...(MAX_RX_RINGS - 1)] = SMALL_BLK_CNT}; |
306 | static unsigned int rts_frm_len[MAX_RX_RINGS] = | 313 | static unsigned int rts_frm_len[MAX_RX_RINGS] = |
307 | {[0 ...(MAX_RX_RINGS - 1)] = 0 }; | 314 | {[0 ...(MAX_RX_RINGS - 1)] = 0 }; |
308 | static unsigned int rx_ring_mode = 1; | 315 | static unsigned int rx_ring_mode = 1; |
@@ -4626,6 +4633,45 @@ static int write_eeprom(nic_t * sp, int off, u64 data, int cnt) | |||
4626 | return ret; | 4633 | return ret; |
4627 | } | 4634 | } |
4628 | 4635 | ||
4636 | static void s2io_vpd_read(nic_t *nic) | ||
4637 | { | ||
4638 | u8 vpd_data[256],data; | ||
4639 | int i=0, cnt, fail = 0; | ||
4640 | int vpd_addr = 0x80; | ||
4641 | |||
4642 | if (nic->device_type == XFRAME_II_DEVICE) { | ||
4643 | strcpy(nic->product_name, "Xframe II 10GbE network adapter"); | ||
4644 | vpd_addr = 0x80; | ||
4645 | } | ||
4646 | else { | ||
4647 | strcpy(nic->product_name, "Xframe I 10GbE network adapter"); | ||
4648 | vpd_addr = 0x50; | ||
4649 | } | ||
4650 | |||
4651 | for (i = 0; i < 256; i +=4 ) { | ||
4652 | pci_write_config_byte(nic->pdev, (vpd_addr + 2), i); | ||
4653 | pci_read_config_byte(nic->pdev, (vpd_addr + 2), &data); | ||
4654 | pci_write_config_byte(nic->pdev, (vpd_addr + 3), 0); | ||
4655 | for (cnt = 0; cnt <5; cnt++) { | ||
4656 | msleep(2); | ||
4657 | pci_read_config_byte(nic->pdev, (vpd_addr + 3), &data); | ||
4658 | if (data == 0x80) | ||
4659 | break; | ||
4660 | } | ||
4661 | if (cnt >= 5) { | ||
4662 | DBG_PRINT(ERR_DBG, "Read of VPD data failed\n"); | ||
4663 | fail = 1; | ||
4664 | break; | ||
4665 | } | ||
4666 | pci_read_config_dword(nic->pdev, (vpd_addr + 4), | ||
4667 | (u32 *)&vpd_data[i]); | ||
4668 | } | ||
4669 | if ((!fail) && (vpd_data[1] < VPD_PRODUCT_NAME_LEN)) { | ||
4670 | memset(nic->product_name, 0, vpd_data[1]); | ||
4671 | memcpy(nic->product_name, &vpd_data[3], vpd_data[1]); | ||
4672 | } | ||
4673 | } | ||
4674 | |||
4629 | /** | 4675 | /** |
4630 | * s2io_ethtool_geeprom - reads the value stored in the Eeprom. | 4676 | * s2io_ethtool_geeprom - reads the value stored in the Eeprom. |
4631 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. | 4677 | * @sp : private member of the device structure, which is a pointer to the * s2io_nic structure. |
@@ -5962,6 +6008,55 @@ module_param(intr_type, int, 0); | |||
5962 | module_param(lro, int, 0); | 6008 | module_param(lro, int, 0); |
5963 | module_param(lro_max_pkts, int, 0); | 6009 | module_param(lro_max_pkts, int, 0); |
5964 | 6010 | ||
6011 | static int s2io_verify_parm(struct pci_dev *pdev, u8 *dev_intr_type) | ||
6012 | { | ||
6013 | if ( tx_fifo_num > 8) { | ||
6014 | DBG_PRINT(ERR_DBG, "s2io: Requested number of Tx fifos not " | ||
6015 | "supported\n"); | ||
6016 | DBG_PRINT(ERR_DBG, "s2io: Default to 8 Tx fifos\n"); | ||
6017 | tx_fifo_num = 8; | ||
6018 | } | ||
6019 | if ( rx_ring_num > 8) { | ||
6020 | DBG_PRINT(ERR_DBG, "s2io: Requested number of Rx rings not " | ||
6021 | "supported\n"); | ||
6022 | DBG_PRINT(ERR_DBG, "s2io: Default to 8 Rx rings\n"); | ||
6023 | rx_ring_num = 8; | ||
6024 | } | ||
6025 | #ifdef CONFIG_S2IO_NAPI | ||
6026 | if (*dev_intr_type != INTA) { | ||
6027 | DBG_PRINT(ERR_DBG, "s2io: NAPI cannot be enabled when " | ||
6028 | "MSI/MSI-X is enabled. Defaulting to INTA\n"); | ||
6029 | *dev_intr_type = INTA; | ||
6030 | } | ||
6031 | #endif | ||
6032 | #ifndef CONFIG_PCI_MSI | ||
6033 | if (*dev_intr_type != INTA) { | ||
6034 | DBG_PRINT(ERR_DBG, "s2io: This kernel does not support" | ||
6035 | "MSI/MSI-X. Defaulting to INTA\n"); | ||
6036 | *dev_intr_type = INTA; | ||
6037 | } | ||
6038 | #else | ||
6039 | if (*dev_intr_type > MSI_X) { | ||
6040 | DBG_PRINT(ERR_DBG, "s2io: Wrong intr_type requested. " | ||
6041 | "Defaulting to INTA\n"); | ||
6042 | *dev_intr_type = INTA; | ||
6043 | } | ||
6044 | #endif | ||
6045 | if ((*dev_intr_type == MSI_X) && | ||
6046 | ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && | ||
6047 | (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { | ||
6048 | DBG_PRINT(ERR_DBG, "s2io: Xframe I does not support MSI_X. " | ||
6049 | "Defaulting to INTA\n"); | ||
6050 | *dev_intr_type = INTA; | ||
6051 | } | ||
6052 | if (rx_ring_mode > 3) { | ||
6053 | DBG_PRINT(ERR_DBG, "s2io: Requested ring mode not supported\n"); | ||
6054 | DBG_PRINT(ERR_DBG, "s2io: Defaulting to 3-buffer mode\n"); | ||
6055 | rx_ring_mode = 3; | ||
6056 | } | ||
6057 | return SUCCESS; | ||
6058 | } | ||
6059 | |||
5965 | /** | 6060 | /** |
5966 | * s2io_init_nic - Initialization of the adapter . | 6061 | * s2io_init_nic - Initialization of the adapter . |
5967 | * @pdev : structure containing the PCI related information of the device. | 6062 | * @pdev : structure containing the PCI related information of the device. |
@@ -5992,15 +6087,8 @@ s2io_init_nic(struct pci_dev *pdev, const struct pci_device_id *pre) | |||
5992 | int mode; | 6087 | int mode; |
5993 | u8 dev_intr_type = intr_type; | 6088 | u8 dev_intr_type = intr_type; |
5994 | 6089 | ||
5995 | #ifdef CONFIG_S2IO_NAPI | 6090 | if ((ret = s2io_verify_parm(pdev, &dev_intr_type))) |
5996 | if (dev_intr_type != INTA) { | 6091 | return ret; |
5997 | DBG_PRINT(ERR_DBG, "NAPI cannot be enabled when MSI/MSI-X \ | ||
5998 | is enabled. Defaulting to INTA\n"); | ||
5999 | dev_intr_type = INTA; | ||
6000 | } | ||
6001 | else | ||
6002 | DBG_PRINT(ERR_DBG, "NAPI support has been enabled\n"); | ||
6003 | #endif | ||
6004 | 6092 | ||
6005 | if ((ret = pci_enable_device(pdev))) { | 6093 | if ((ret = pci_enable_device(pdev))) { |
6006 | DBG_PRINT(ERR_DBG, | 6094 | DBG_PRINT(ERR_DBG, |
@@ -6025,14 +6113,6 @@ is enabled. Defaulting to INTA\n"); | |||
6025 | pci_disable_device(pdev); | 6113 | pci_disable_device(pdev); |
6026 | return -ENOMEM; | 6114 | return -ENOMEM; |
6027 | } | 6115 | } |
6028 | |||
6029 | if ((dev_intr_type == MSI_X) && | ||
6030 | ((pdev->device != PCI_DEVICE_ID_HERC_WIN) && | ||
6031 | (pdev->device != PCI_DEVICE_ID_HERC_UNI))) { | ||
6032 | DBG_PRINT(ERR_DBG, "Xframe I does not support MSI_X. \ | ||
6033 | Defaulting to INTA\n"); | ||
6034 | dev_intr_type = INTA; | ||
6035 | } | ||
6036 | if (dev_intr_type != MSI_X) { | 6116 | if (dev_intr_type != MSI_X) { |
6037 | if (pci_request_regions(pdev, s2io_driver_name)) { | 6117 | if (pci_request_regions(pdev, s2io_driver_name)) { |
6038 | DBG_PRINT(ERR_DBG, "Request Regions failed\n"), | 6118 | DBG_PRINT(ERR_DBG, "Request Regions failed\n"), |
@@ -6108,8 +6188,6 @@ Defaulting to INTA\n"); | |||
6108 | config = &sp->config; | 6188 | config = &sp->config; |
6109 | 6189 | ||
6110 | /* Tx side parameters. */ | 6190 | /* Tx side parameters. */ |
6111 | if (tx_fifo_len[0] == 0) | ||
6112 | tx_fifo_len[0] = DEFAULT_FIFO_LEN; /* Default value. */ | ||
6113 | config->tx_fifo_num = tx_fifo_num; | 6191 | config->tx_fifo_num = tx_fifo_num; |
6114 | for (i = 0; i < MAX_TX_FIFOS; i++) { | 6192 | for (i = 0; i < MAX_TX_FIFOS; i++) { |
6115 | config->tx_cfg[i].fifo_len = tx_fifo_len[i]; | 6193 | config->tx_cfg[i].fifo_len = tx_fifo_len[i]; |
@@ -6133,8 +6211,6 @@ Defaulting to INTA\n"); | |||
6133 | config->max_txds = MAX_SKB_FRAGS + 2; | 6211 | config->max_txds = MAX_SKB_FRAGS + 2; |
6134 | 6212 | ||
6135 | /* Rx side parameters. */ | 6213 | /* Rx side parameters. */ |
6136 | if (rx_ring_sz[0] == 0) | ||
6137 | rx_ring_sz[0] = SMALL_BLK_CNT; /* Default value. */ | ||
6138 | config->rx_ring_num = rx_ring_num; | 6214 | config->rx_ring_num = rx_ring_num; |
6139 | for (i = 0; i < MAX_RX_RINGS; i++) { | 6215 | for (i = 0; i < MAX_RX_RINGS; i++) { |
6140 | config->rx_cfg[i].num_rxd = rx_ring_sz[i] * | 6216 | config->rx_cfg[i].num_rxd = rx_ring_sz[i] * |
@@ -6330,82 +6406,63 @@ Defaulting to INTA\n"); | |||
6330 | ret = -ENODEV; | 6406 | ret = -ENODEV; |
6331 | goto register_failed; | 6407 | goto register_failed; |
6332 | } | 6408 | } |
6333 | 6409 | s2io_vpd_read(sp); | |
6334 | if (sp->device_type & XFRAME_II_DEVICE) { | 6410 | DBG_PRINT(ERR_DBG, "%s: Neterion %s",dev->name, sp->product_name); |
6335 | DBG_PRINT(ERR_DBG, "%s: Neterion Xframe II 10GbE adapter ", | 6411 | DBG_PRINT(ERR_DBG, "(rev %d), Driver version %s\n", |
6336 | dev->name); | ||
6337 | DBG_PRINT(ERR_DBG, "(rev %d), Version %s", | ||
6338 | get_xena_rev_id(sp->pdev), | 6412 | get_xena_rev_id(sp->pdev), |
6339 | s2io_driver_version); | 6413 | s2io_driver_version); |
6340 | switch(sp->intr_type) { | 6414 | DBG_PRINT(ERR_DBG, "Copyright(c) 2002-2005 Neterion Inc.\n"); |
6341 | case INTA: | 6415 | DBG_PRINT(ERR_DBG, "%s: MAC ADDR: " |
6342 | DBG_PRINT(ERR_DBG, ", Intr type INTA"); | 6416 | "%02x:%02x:%02x:%02x:%02x:%02x\n", dev->name, |
6343 | break; | ||
6344 | case MSI: | ||
6345 | DBG_PRINT(ERR_DBG, ", Intr type MSI"); | ||
6346 | break; | ||
6347 | case MSI_X: | ||
6348 | DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); | ||
6349 | break; | ||
6350 | } | ||
6351 | |||
6352 | DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); | ||
6353 | DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", | ||
6354 | sp->def_mac_addr[0].mac_addr[0], | 6417 | sp->def_mac_addr[0].mac_addr[0], |
6355 | sp->def_mac_addr[0].mac_addr[1], | 6418 | sp->def_mac_addr[0].mac_addr[1], |
6356 | sp->def_mac_addr[0].mac_addr[2], | 6419 | sp->def_mac_addr[0].mac_addr[2], |
6357 | sp->def_mac_addr[0].mac_addr[3], | 6420 | sp->def_mac_addr[0].mac_addr[3], |
6358 | sp->def_mac_addr[0].mac_addr[4], | 6421 | sp->def_mac_addr[0].mac_addr[4], |
6359 | sp->def_mac_addr[0].mac_addr[5]); | 6422 | sp->def_mac_addr[0].mac_addr[5]); |
6423 | if (sp->device_type & XFRAME_II_DEVICE) { | ||
6360 | mode = s2io_print_pci_mode(sp); | 6424 | mode = s2io_print_pci_mode(sp); |
6361 | if (mode < 0) { | 6425 | if (mode < 0) { |
6362 | DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode "); | 6426 | DBG_PRINT(ERR_DBG, " Unsupported PCI bus mode\n"); |
6363 | ret = -EBADSLT; | 6427 | ret = -EBADSLT; |
6428 | unregister_netdev(dev); | ||
6364 | goto set_swap_failed; | 6429 | goto set_swap_failed; |
6365 | } | 6430 | } |
6366 | } else { | ||
6367 | DBG_PRINT(ERR_DBG, "%s: Neterion Xframe I 10GbE adapter ", | ||
6368 | dev->name); | ||
6369 | DBG_PRINT(ERR_DBG, "(rev %d), Version %s", | ||
6370 | get_xena_rev_id(sp->pdev), | ||
6371 | s2io_driver_version); | ||
6372 | switch(sp->intr_type) { | ||
6373 | case INTA: | ||
6374 | DBG_PRINT(ERR_DBG, ", Intr type INTA"); | ||
6375 | break; | ||
6376 | case MSI: | ||
6377 | DBG_PRINT(ERR_DBG, ", Intr type MSI"); | ||
6378 | break; | ||
6379 | case MSI_X: | ||
6380 | DBG_PRINT(ERR_DBG, ", Intr type MSI-X"); | ||
6381 | break; | ||
6382 | } | ||
6383 | DBG_PRINT(ERR_DBG, "\nCopyright(c) 2002-2005 Neterion Inc.\n"); | ||
6384 | DBG_PRINT(ERR_DBG, "MAC ADDR: %02x:%02x:%02x:%02x:%02x:%02x\n", | ||
6385 | sp->def_mac_addr[0].mac_addr[0], | ||
6386 | sp->def_mac_addr[0].mac_addr[1], | ||
6387 | sp->def_mac_addr[0].mac_addr[2], | ||
6388 | sp->def_mac_addr[0].mac_addr[3], | ||
6389 | sp->def_mac_addr[0].mac_addr[4], | ||
6390 | sp->def_mac_addr[0].mac_addr[5]); | ||
6391 | } | 6431 | } |
6392 | if (sp->rxd_mode == RXD_MODE_3B) | 6432 | switch(sp->rxd_mode) { |
6393 | DBG_PRINT(ERR_DBG, "%s: 2-Buffer mode support has been " | 6433 | case RXD_MODE_1: |
6394 | "enabled\n",dev->name); | 6434 | DBG_PRINT(ERR_DBG, "%s: 1-Buffer receive mode enabled\n", |
6395 | if (sp->rxd_mode == RXD_MODE_3A) | 6435 | dev->name); |
6396 | DBG_PRINT(ERR_DBG, "%s: 3-Buffer mode support has been " | 6436 | break; |
6397 | "enabled\n",dev->name); | 6437 | case RXD_MODE_3B: |
6398 | 6438 | DBG_PRINT(ERR_DBG, "%s: 2-Buffer receive mode enabled\n", | |
6439 | dev->name); | ||
6440 | break; | ||
6441 | case RXD_MODE_3A: | ||
6442 | DBG_PRINT(ERR_DBG, "%s: 3-Buffer receive mode enabled\n", | ||
6443 | dev->name); | ||
6444 | break; | ||
6445 | } | ||
6446 | #ifdef CONFIG_S2IO_NAPI | ||
6447 | DBG_PRINT(ERR_DBG, "%s: NAPI enabled\n", dev->name); | ||
6448 | #endif | ||
6449 | switch(sp->intr_type) { | ||
6450 | case INTA: | ||
6451 | DBG_PRINT(ERR_DBG, "%s: Interrupt type INTA\n", dev->name); | ||
6452 | break; | ||
6453 | case MSI: | ||
6454 | DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI\n", dev->name); | ||
6455 | break; | ||
6456 | case MSI_X: | ||
6457 | DBG_PRINT(ERR_DBG, "%s: Interrupt type MSI-X\n", dev->name); | ||
6458 | break; | ||
6459 | } | ||
6399 | if (sp->lro) | 6460 | if (sp->lro) |
6400 | DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", | 6461 | DBG_PRINT(ERR_DBG, "%s: Large receive offload enabled\n", |
6401 | dev->name); | 6462 | dev->name); |
6402 | 6463 | ||
6403 | /* Initialize device name */ | 6464 | /* Initialize device name */ |
6404 | strcpy(sp->name, dev->name); | 6465 | sprintf(sp->name, "%s Neterion %s", dev->name, sp->product_name); |
6405 | if (sp->device_type & XFRAME_II_DEVICE) | ||
6406 | strcat(sp->name, ": Neterion Xframe II 10GbE adapter"); | ||
6407 | else | ||
6408 | strcat(sp->name, ": Neterion Xframe I 10GbE adapter"); | ||
6409 | 6466 | ||
6410 | /* Initialize bimodal Interrupts */ | 6467 | /* Initialize bimodal Interrupts */ |
6411 | sp->config.bimodal = bimodal; | 6468 | sp->config.bimodal = bimodal; |