2 * Copyright (C) 2003 - 2009 NetXen, Inc.
3 * Copyright (C) 2009 - QLogic Corporation.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
21 * The full GNU General Public License is included in this distribution
22 * in the file called "COPYING".
26 #include <linux/slab.h>
27 #include <linux/vmalloc.h>
28 #include <linux/interrupt.h>
29 #include "netxen_nic_hw.h"
31 #include "netxen_nic.h"
33 #include <linux/dma-mapping.h>
34 #include <linux/if_vlan.h>
36 #include <linux/ipv6.h>
37 #include <linux/inetdevice.h>
38 #include <linux/sysfs.h>
39 #include <linux/aer.h>
41 MODULE_DESCRIPTION("QLogic/NetXen (1/10) GbE Intelligent Ethernet Driver");
42 MODULE_LICENSE("GPL");
43 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID);
44 MODULE_FIRMWARE(NX_UNIFIED_ROMIMAGE_NAME);
46 char netxen_nic_driver_name[] = "netxen_nic";
47 static char netxen_nic_driver_string[] = "QLogic/NetXen Network Driver v"
48 NETXEN_NIC_LINUX_VERSIONID;
50 static int port_mode = NETXEN_PORT_MODE_AUTO_NEG;
52 /* Default to restricted 1G auto-neg mode */
53 static int wol_port_mode = 5;
55 static int use_msi = 1;
57 static int use_msi_x = 1;
59 static int auto_fw_reset = AUTO_FW_RESET_ENABLED;
60 module_param(auto_fw_reset, int, 0644);
61 MODULE_PARM_DESC(auto_fw_reset,"Auto firmware reset (0=disabled, 1=enabled");
63 static int netxen_nic_probe(struct pci_dev *pdev,
64 const struct pci_device_id *ent);
65 static void netxen_nic_remove(struct pci_dev *pdev);
66 static int netxen_nic_open(struct net_device *netdev);
67 static int netxen_nic_close(struct net_device *netdev);
68 static netdev_tx_t netxen_nic_xmit_frame(struct sk_buff *,
70 static void netxen_tx_timeout(struct net_device *netdev);
71 static void netxen_tx_timeout_task(struct work_struct *work);
72 static void netxen_fw_poll_work(struct work_struct *work);
73 static void netxen_schedule_work(struct netxen_adapter *adapter,
74 work_func_t func, int delay);
75 static void netxen_cancel_fw_work(struct netxen_adapter *adapter);
76 static int netxen_nic_poll(struct napi_struct *napi, int budget);
77 #ifdef CONFIG_NET_POLL_CONTROLLER
78 static void netxen_nic_poll_controller(struct net_device *netdev);
81 static void netxen_create_sysfs_entries(struct netxen_adapter *adapter);
82 static void netxen_remove_sysfs_entries(struct netxen_adapter *adapter);
83 static void netxen_create_diag_entries(struct netxen_adapter *adapter);
84 static void netxen_remove_diag_entries(struct netxen_adapter *adapter);
85 static int nx_dev_request_aer(struct netxen_adapter *adapter);
86 static int nx_decr_dev_ref_cnt(struct netxen_adapter *adapter);
87 static int netxen_can_start_firmware(struct netxen_adapter *adapter);
89 static irqreturn_t netxen_intr(int irq, void *data);
90 static irqreturn_t netxen_msi_intr(int irq, void *data);
91 static irqreturn_t netxen_msix_intr(int irq, void *data);
93 static void netxen_free_ip_list(struct netxen_adapter *, bool);
94 static void netxen_restore_indev_addr(struct net_device *dev, unsigned long);
95 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *dev,
96 struct rtnl_link_stats64 *stats);
97 static int netxen_nic_set_mac(struct net_device *netdev, void *p);
99 /* PCI Device ID Table */
100 #define ENTRY(device) \
101 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
102 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
104 static DEFINE_PCI_DEVICE_TABLE(netxen_pci_tbl) = {
105 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR),
106 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4),
107 ENTRY(PCI_DEVICE_ID_NX2031_4GCU),
108 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ),
109 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ),
110 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT),
111 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2),
112 ENTRY(PCI_DEVICE_ID_NX3031),
116 MODULE_DEVICE_TABLE(pci, netxen_pci_tbl);
118 static uint32_t crb_cmd_producer[4] = {
119 CRB_CMD_PRODUCER_OFFSET, CRB_CMD_PRODUCER_OFFSET_1,
120 CRB_CMD_PRODUCER_OFFSET_2, CRB_CMD_PRODUCER_OFFSET_3
124 netxen_nic_update_cmd_producer(struct netxen_adapter *adapter,
125 struct nx_host_tx_ring *tx_ring)
127 NXWRIO(adapter, tx_ring->crb_cmd_producer, tx_ring->producer);
130 static uint32_t crb_cmd_consumer[4] = {
131 CRB_CMD_CONSUMER_OFFSET, CRB_CMD_CONSUMER_OFFSET_1,
132 CRB_CMD_CONSUMER_OFFSET_2, CRB_CMD_CONSUMER_OFFSET_3
136 netxen_nic_update_cmd_consumer(struct netxen_adapter *adapter,
137 struct nx_host_tx_ring *tx_ring)
139 NXWRIO(adapter, tx_ring->crb_cmd_consumer, tx_ring->sw_consumer);
142 static uint32_t msi_tgt_status[8] = {
143 ISR_INT_TARGET_STATUS, ISR_INT_TARGET_STATUS_F1,
144 ISR_INT_TARGET_STATUS_F2, ISR_INT_TARGET_STATUS_F3,
145 ISR_INT_TARGET_STATUS_F4, ISR_INT_TARGET_STATUS_F5,
146 ISR_INT_TARGET_STATUS_F6, ISR_INT_TARGET_STATUS_F7
149 static struct netxen_legacy_intr_set legacy_intr[] = NX_LEGACY_INTR_CONFIG;
151 static inline void netxen_nic_disable_int(struct nx_host_sds_ring *sds_ring)
153 struct netxen_adapter *adapter = sds_ring->adapter;
155 NXWRIO(adapter, sds_ring->crb_intr_mask, 0);
158 static inline void netxen_nic_enable_int(struct nx_host_sds_ring *sds_ring)
160 struct netxen_adapter *adapter = sds_ring->adapter;
162 NXWRIO(adapter, sds_ring->crb_intr_mask, 0x1);
164 if (!NETXEN_IS_MSI_FAMILY(adapter))
165 NXWRIO(adapter, adapter->tgt_mask_reg, 0xfbff);
169 netxen_alloc_sds_rings(struct netxen_recv_context *recv_ctx, int count)
171 int size = sizeof(struct nx_host_sds_ring) * count;
173 recv_ctx->sds_rings = kzalloc(size, GFP_KERNEL);
175 return recv_ctx->sds_rings == NULL;
179 netxen_free_sds_rings(struct netxen_recv_context *recv_ctx)
181 if (recv_ctx->sds_rings != NULL)
182 kfree(recv_ctx->sds_rings);
184 recv_ctx->sds_rings = NULL;
188 netxen_napi_add(struct netxen_adapter *adapter, struct net_device *netdev)
191 struct nx_host_sds_ring *sds_ring;
192 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
194 if (netxen_alloc_sds_rings(recv_ctx, adapter->max_sds_rings))
197 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
198 sds_ring = &recv_ctx->sds_rings[ring];
199 netif_napi_add(netdev, &sds_ring->napi,
200 netxen_nic_poll, NAPI_POLL_WEIGHT);
207 netxen_napi_del(struct netxen_adapter *adapter)
210 struct nx_host_sds_ring *sds_ring;
211 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
213 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
214 sds_ring = &recv_ctx->sds_rings[ring];
215 netif_napi_del(&sds_ring->napi);
218 netxen_free_sds_rings(&adapter->recv_ctx);
222 netxen_napi_enable(struct netxen_adapter *adapter)
225 struct nx_host_sds_ring *sds_ring;
226 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
228 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
229 sds_ring = &recv_ctx->sds_rings[ring];
230 napi_enable(&sds_ring->napi);
231 netxen_nic_enable_int(sds_ring);
236 netxen_napi_disable(struct netxen_adapter *adapter)
239 struct nx_host_sds_ring *sds_ring;
240 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
242 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
243 sds_ring = &recv_ctx->sds_rings[ring];
244 netxen_nic_disable_int(sds_ring);
245 napi_synchronize(&sds_ring->napi);
246 napi_disable(&sds_ring->napi);
250 static int nx_set_dma_mask(struct netxen_adapter *adapter)
252 struct pci_dev *pdev = adapter->pdev;
253 uint64_t mask, cmask;
255 adapter->pci_using_dac = 0;
257 mask = DMA_BIT_MASK(32);
258 cmask = DMA_BIT_MASK(32);
260 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
262 mask = DMA_BIT_MASK(35);
265 mask = DMA_BIT_MASK(39);
269 if (pci_set_dma_mask(pdev, mask) == 0 &&
270 pci_set_consistent_dma_mask(pdev, cmask) == 0) {
271 adapter->pci_using_dac = 1;
278 /* Update addressable range if firmware supports it */
280 nx_update_dma_mask(struct netxen_adapter *adapter)
282 int change, shift, err;
283 uint64_t mask, old_mask, old_cmask;
284 struct pci_dev *pdev = adapter->pdev;
288 shift = NXRD32(adapter, CRB_DMA_SHIFT);
292 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) && (shift > 9))
294 else if ((adapter->ahw.revision_id == NX_P2_C1) && (shift <= 4))
298 old_mask = pdev->dma_mask;
299 old_cmask = pdev->dev.coherent_dma_mask;
301 mask = DMA_BIT_MASK(32+shift);
303 err = pci_set_dma_mask(pdev, mask);
307 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
309 err = pci_set_consistent_dma_mask(pdev, mask);
313 dev_info(&pdev->dev, "using %d-bit dma mask\n", 32+shift);
319 pci_set_dma_mask(pdev, old_mask);
320 pci_set_consistent_dma_mask(pdev, old_cmask);
325 netxen_check_hw_init(struct netxen_adapter *adapter, int first_boot)
329 if (first_boot == 0x55555555) {
330 /* This is the first boot after power up */
331 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC);
333 if (!NX_IS_REVISION_P2(adapter->ahw.revision_id))
336 /* PCI bus master workaround */
337 first_boot = NXRD32(adapter, NETXEN_PCIE_REG(0x4));
338 if (!(first_boot & 0x4)) {
340 NXWR32(adapter, NETXEN_PCIE_REG(0x4), first_boot);
341 NXRD32(adapter, NETXEN_PCIE_REG(0x4));
344 /* This is the first boot after power up */
345 first_boot = NXRD32(adapter, NETXEN_ROMUSB_GLB_SW_RESET);
346 if (first_boot != 0x80000f) {
347 /* clear the register for future unloads/loads */
348 NXWR32(adapter, NETXEN_CAM_RAM(0x1fc), 0);
352 /* Start P2 boot loader */
353 val = NXRD32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE);
354 NXWR32(adapter, NETXEN_ROMUSB_GLB_PEGTUNE_DONE, val | 0x1);
358 val = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
360 if (++timeout > 5000)
363 } while (val == NETXEN_BDINFO_MAGIC);
368 static void netxen_set_port_mode(struct netxen_adapter *adapter)
372 val = adapter->ahw.board_type;
373 if ((val == NETXEN_BRDTYPE_P3_HMEZ) ||
374 (val == NETXEN_BRDTYPE_P3_XG_LOM)) {
375 if (port_mode == NETXEN_PORT_MODE_802_3_AP) {
376 data = NETXEN_PORT_MODE_802_3_AP;
377 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
378 } else if (port_mode == NETXEN_PORT_MODE_XG) {
379 data = NETXEN_PORT_MODE_XG;
380 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
381 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_1G) {
382 data = NETXEN_PORT_MODE_AUTO_NEG_1G;
383 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
384 } else if (port_mode == NETXEN_PORT_MODE_AUTO_NEG_XG) {
385 data = NETXEN_PORT_MODE_AUTO_NEG_XG;
386 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
388 data = NETXEN_PORT_MODE_AUTO_NEG;
389 NXWR32(adapter, NETXEN_PORT_MODE_ADDR, data);
392 if ((wol_port_mode != NETXEN_PORT_MODE_802_3_AP) &&
393 (wol_port_mode != NETXEN_PORT_MODE_XG) &&
394 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_1G) &&
395 (wol_port_mode != NETXEN_PORT_MODE_AUTO_NEG_XG)) {
396 wol_port_mode = NETXEN_PORT_MODE_AUTO_NEG;
398 NXWR32(adapter, NETXEN_WOL_PORT_MODE, wol_port_mode);
402 #define PCI_CAP_ID_GEN 0x10
404 static void netxen_pcie_strap_init(struct netxen_adapter *adapter)
411 struct pci_dev *pdev;
413 pdev = adapter->pdev;
415 chicken = NXRD32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3));
416 /* clear chicken3.25:24 */
417 chicken &= 0xFCFFFFFF;
419 * if gen1 and B0, set F1020 - if gen 2, do nothing
420 * if gen2 set to F1000
422 pos = pci_find_capability(pdev, PCI_CAP_ID_GEN);
424 pci_read_config_dword(pdev, pos + 0x10, &control);
425 if ((control & 0x000F0000) != 0x00020000) {
426 /* set chicken3.24 if gen1 */
427 chicken |= 0x01000000;
429 dev_info(&adapter->pdev->dev, "Gen2 strapping detected\n");
432 /* set chicken3.24 if gen1 */
433 chicken |= 0x01000000;
434 dev_info(&adapter->pdev->dev, "Gen1 strapping detected\n");
435 if (adapter->ahw.revision_id == NX_P3_B0)
441 NXWR32(adapter, NETXEN_PCIE_REG(PCIE_CHICKEN3), chicken);
446 pdevfuncsave = pdev->devfn;
447 if (pdevfuncsave & 0x07)
450 for (i = 0; i < 8; i++) {
451 pci_read_config_dword(pdev, pos + 8, &control);
452 pci_read_config_dword(pdev, pos + 8, &control);
453 pci_write_config_dword(pdev, pos + 8, c8c9value);
456 pdev->devfn = pdevfuncsave;
459 static void netxen_set_msix_bit(struct pci_dev *pdev, int enable)
463 if (pdev->msix_cap) {
464 pci_read_config_dword(pdev, pdev->msix_cap, &control);
466 control |= PCI_MSIX_FLAGS_ENABLE;
469 pci_write_config_dword(pdev, pdev->msix_cap, control);
473 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
477 for (i = 0; i < count; i++)
478 adapter->msix_entries[i].entry = i;
482 netxen_read_mac_addr(struct netxen_adapter *adapter)
487 struct net_device *netdev = adapter->netdev;
488 struct pci_dev *pdev = adapter->pdev;
490 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
491 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
494 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
498 p = (unsigned char *)&mac_addr;
499 for (i = 0; i < 6; i++)
500 netdev->dev_addr[i] = *(p + 5 - i);
502 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
504 /* set station address */
506 if (!is_valid_ether_addr(netdev->dev_addr))
507 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
512 static int netxen_nic_set_mac(struct net_device *netdev, void *p)
514 struct netxen_adapter *adapter = netdev_priv(netdev);
515 struct sockaddr *addr = p;
517 if (!is_valid_ether_addr(addr->sa_data))
518 return -EADDRNOTAVAIL;
520 if (netif_running(netdev)) {
521 netif_device_detach(netdev);
522 netxen_napi_disable(adapter);
525 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
526 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
527 adapter->macaddr_set(adapter, addr->sa_data);
529 if (netif_running(netdev)) {
530 netif_device_attach(netdev);
531 netxen_napi_enable(adapter);
536 static void netxen_set_multicast_list(struct net_device *dev)
538 struct netxen_adapter *adapter = netdev_priv(dev);
540 adapter->set_multi(dev);
543 static netdev_features_t netxen_fix_features(struct net_device *dev,
544 netdev_features_t features)
546 if (!(features & NETIF_F_RXCSUM)) {
547 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
549 features &= ~NETIF_F_LRO;
555 static int netxen_set_features(struct net_device *dev,
556 netdev_features_t features)
558 struct netxen_adapter *adapter = netdev_priv(dev);
561 if (!((dev->features ^ features) & NETIF_F_LRO))
564 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
565 : NETXEN_NIC_LRO_DISABLED;
567 if (netxen_config_hw_lro(adapter, hw_lro))
570 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
576 static const struct net_device_ops netxen_netdev_ops = {
577 .ndo_open = netxen_nic_open,
578 .ndo_stop = netxen_nic_close,
579 .ndo_start_xmit = netxen_nic_xmit_frame,
580 .ndo_get_stats64 = netxen_nic_get_stats,
581 .ndo_validate_addr = eth_validate_addr,
582 .ndo_set_rx_mode = netxen_set_multicast_list,
583 .ndo_set_mac_address = netxen_nic_set_mac,
584 .ndo_change_mtu = netxen_nic_change_mtu,
585 .ndo_tx_timeout = netxen_tx_timeout,
586 .ndo_fix_features = netxen_fix_features,
587 .ndo_set_features = netxen_set_features,
588 #ifdef CONFIG_NET_POLL_CONTROLLER
589 .ndo_poll_controller = netxen_nic_poll_controller,
593 static inline bool netxen_function_zero(struct pci_dev *pdev)
595 return (PCI_FUNC(pdev->devfn) == 0) ? true : false;
598 static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
601 NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
604 static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
606 return NXRD32(adapter, NETXEN_INTR_MODE_REG);
610 netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
612 struct netxen_legacy_intr_set *legacy_intrp;
613 u32 tgt_status_reg, int_state_reg;
615 if (adapter->ahw.revision_id >= NX_P3_B0)
616 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
618 legacy_intrp = &legacy_intr[0];
620 tgt_status_reg = legacy_intrp->tgt_status_reg;
621 int_state_reg = ISR_INT_STATE_REG;
623 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
624 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
625 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
626 legacy_intrp->tgt_mask_reg);
627 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
628 legacy_intrp->pci_int_reg);
629 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
631 if (adapter->ahw.revision_id >= NX_P3_B1)
632 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
635 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
639 static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
642 struct pci_dev *pdev = adapter->pdev;
646 if (adapter->msix_supported) {
647 netxen_init_msix_entries(adapter, num_msix);
648 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
650 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
651 netxen_set_msix_bit(pdev, 1);
653 if (adapter->rss_supported)
654 adapter->max_sds_rings = num_msix;
656 dev_info(&pdev->dev, "using msi-x interrupts\n");
659 /* fall through for msi */
662 if (use_msi && !pci_enable_msi(pdev)) {
663 value = msi_tgt_status[adapter->ahw.pci_func];
664 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
665 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
666 adapter->msix_entries[0].vector = pdev->irq;
667 dev_info(&pdev->dev, "using msi interrupts\n");
671 dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
675 static int netxen_setup_intr(struct netxen_adapter *adapter)
677 struct pci_dev *pdev = adapter->pdev;
680 if (adapter->rss_supported)
681 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
682 MSIX_ENTRIES_PER_ADAPTER : 2;
686 adapter->max_sds_rings = 1;
687 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
689 netxen_initialize_interrupt_registers(adapter);
690 netxen_set_msix_bit(pdev, 0);
692 if (netxen_function_zero(pdev)) {
693 if (!netxen_setup_msi_interrupts(adapter, num_msix))
694 netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
696 netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
698 if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
699 netxen_setup_msi_interrupts(adapter, num_msix)) {
700 dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
705 if (!NETXEN_IS_MSI_FAMILY(adapter)) {
706 adapter->msix_entries[0].vector = pdev->irq;
707 dev_info(&pdev->dev, "using legacy interrupts\n");
713 netxen_teardown_intr(struct netxen_adapter *adapter)
715 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
716 pci_disable_msix(adapter->pdev);
717 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
718 pci_disable_msi(adapter->pdev);
722 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
724 if (adapter->ahw.db_base != NULL)
725 iounmap(adapter->ahw.db_base);
726 if (adapter->ahw.pci_base0 != NULL)
727 iounmap(adapter->ahw.pci_base0);
728 if (adapter->ahw.pci_base1 != NULL)
729 iounmap(adapter->ahw.pci_base1);
730 if (adapter->ahw.pci_base2 != NULL)
731 iounmap(adapter->ahw.pci_base2);
735 netxen_setup_pci_map(struct netxen_adapter *adapter)
737 void __iomem *db_ptr = NULL;
739 resource_size_t mem_base, db_base;
740 unsigned long mem_len, db_len = 0;
742 struct pci_dev *pdev = adapter->pdev;
743 int pci_func = adapter->ahw.pci_func;
744 struct netxen_hardware_context *ahw = &adapter->ahw;
749 * Set the CRB window to invalid. If any register in window 0 is
750 * accessed it should set the window to 0 and then reset it to 1.
752 adapter->ahw.crb_win = -1;
753 adapter->ahw.ocm_win = -1;
755 /* remap phys address */
756 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
757 mem_len = pci_resource_len(pdev, 0);
759 /* 128 Meg of memory */
760 if (mem_len == NETXEN_PCI_128MB_SIZE) {
762 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
763 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
764 SECOND_PAGE_GROUP_SIZE);
765 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
766 THIRD_PAGE_GROUP_SIZE);
767 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
768 ahw->pci_base2 == NULL) {
769 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
774 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
776 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
778 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
779 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
780 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
781 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
782 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
787 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
789 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
790 if (ahw->pci_base0 == NULL) {
791 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
794 ahw->pci_len0 = mem_len;
799 netxen_setup_hwops(adapter);
801 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
803 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
804 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
805 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
807 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
808 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
809 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
812 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
815 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
816 db_len = pci_resource_len(pdev, 4);
819 printk(KERN_ERR "%s: doorbell is disabled\n",
820 netxen_nic_driver_name);
825 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
827 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
828 netxen_nic_driver_name);
834 adapter->ahw.db_base = db_ptr;
835 adapter->ahw.db_len = db_len;
839 netxen_cleanup_pci_map(adapter);
844 netxen_check_options(struct netxen_adapter *adapter)
846 u32 fw_major, fw_minor, fw_build, prev_fw_version;
847 char brd_name[NETXEN_MAX_SHORT_NAME];
849 int i, offset, val, err;
851 struct pci_dev *pdev = adapter->pdev;
853 adapter->driver_mismatch = 0;
855 ptr32 = (__le32 *)&serial_num;
856 offset = NX_FW_SERIAL_NUM_OFFSET;
857 for (i = 0; i < 8; i++) {
858 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
859 dev_err(&pdev->dev, "error reading board info\n");
860 adapter->driver_mismatch = 1;
863 ptr32[i] = cpu_to_le32(val);
864 offset += sizeof(u32);
867 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
868 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
869 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
870 prev_fw_version = adapter->fw_version;
871 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
873 /* Get FW Mini Coredump template and store it */
874 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
875 if (adapter->mdump.md_template == NULL ||
876 adapter->fw_version > prev_fw_version) {
877 kfree(adapter->mdump.md_template);
878 adapter->mdump.md_template = NULL;
879 err = netxen_setup_minidump(adapter);
881 dev_err(&adapter->pdev->dev,
882 "Failed to setup minidump rcode = %d\n", err);
886 if (adapter->portnum == 0) {
887 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
889 strcpy(serial_num, "Unknown");
891 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
892 module_name(THIS_MODULE),
893 brd_name, serial_num, adapter->ahw.revision_id);
896 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
897 adapter->driver_mismatch = 1;
898 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
899 fw_major, fw_minor, fw_build);
903 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
904 i = NXRD32(adapter, NETXEN_SRE_MISC);
905 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
908 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
909 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
910 adapter->ahw.cut_through ? "cut-through" : "legacy");
912 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
913 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
915 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
916 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
917 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
918 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
919 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
920 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
923 adapter->msix_supported = 0;
924 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
925 adapter->msix_supported = !!use_msi_x;
926 adapter->rss_supported = !!use_msi_x;
929 netxen_rom_fast_read(adapter,
930 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
931 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
933 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
934 switch (adapter->ahw.board_type) {
935 case NETXEN_BRDTYPE_P2_SB31_10G:
936 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
937 adapter->msix_supported = !!use_msi_x;
938 adapter->rss_supported = !!use_msi_x;
946 adapter->num_txd = MAX_CMD_DESCRIPTORS;
948 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
949 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
950 adapter->max_rds_rings = 3;
952 adapter->num_lro_rxd = 0;
953 adapter->max_rds_rings = 2;
958 netxen_start_firmware(struct netxen_adapter *adapter)
960 int val, err, first_boot;
961 struct pci_dev *pdev = adapter->pdev;
963 /* required for NX2031 dummy dma */
964 err = nx_set_dma_mask(adapter);
968 err = netxen_can_start_firmware(adapter);
976 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
978 err = netxen_check_hw_init(adapter, first_boot);
980 dev_err(&pdev->dev, "error in init HW init sequence\n");
984 netxen_request_firmware(adapter);
986 err = netxen_need_fw_reset(adapter);
990 goto pcie_strap_init;
992 if (first_boot != 0x55555555) {
993 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
994 netxen_pinit_from_rom(adapter);
998 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
999 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
1000 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
1002 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1003 netxen_set_port_mode(adapter);
1005 err = netxen_load_firmware(adapter);
1009 netxen_release_firmware(adapter);
1011 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1013 /* Initialize multicast addr pool owners */
1015 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
1017 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
1021 err = netxen_init_dummy_dma(adapter);
1026 * Tell the hardware our version number.
1028 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1029 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1030 | (_NETXEN_NIC_LINUX_SUBVERSION);
1031 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1034 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1035 netxen_pcie_strap_init(adapter);
1038 /* Handshake with the card before we register the devices. */
1039 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1041 netxen_free_dummy_dma(adapter);
1045 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1047 nx_update_dma_mask(adapter);
1049 netxen_check_options(adapter);
1051 adapter->need_fw_reset = 0;
1053 /* fall through and release firmware */
1056 netxen_release_firmware(adapter);
1061 netxen_nic_request_irq(struct netxen_adapter *adapter)
1063 irq_handler_t handler;
1064 struct nx_host_sds_ring *sds_ring;
1067 unsigned long flags = 0;
1068 struct net_device *netdev = adapter->netdev;
1069 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1071 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1072 handler = netxen_msix_intr;
1073 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1074 handler = netxen_msi_intr;
1076 flags |= IRQF_SHARED;
1077 handler = netxen_intr;
1079 adapter->irq = netdev->irq;
1081 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1082 sds_ring = &recv_ctx->sds_rings[ring];
1083 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1084 err = request_irq(sds_ring->irq, handler,
1085 flags, sds_ring->name, sds_ring);
1094 netxen_nic_free_irq(struct netxen_adapter *adapter)
1097 struct nx_host_sds_ring *sds_ring;
1099 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1101 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1102 sds_ring = &recv_ctx->sds_rings[ring];
1103 free_irq(sds_ring->irq, sds_ring);
1108 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1110 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1111 adapter->coal.normal.data.rx_time_us =
1112 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1113 adapter->coal.normal.data.rx_packets =
1114 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1115 adapter->coal.normal.data.tx_time_us =
1116 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1117 adapter->coal.normal.data.tx_packets =
1118 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1121 /* with rtnl_lock */
1123 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1127 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1130 err = adapter->init_port(adapter, adapter->physical_port);
1132 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1133 netxen_nic_driver_name, adapter->portnum);
1136 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1137 adapter->macaddr_set(adapter, adapter->mac_addr);
1139 adapter->set_multi(netdev);
1140 adapter->set_mtu(adapter, netdev->mtu);
1142 adapter->ahw.linkup = 0;
1144 if (adapter->max_sds_rings > 1)
1145 netxen_config_rss(adapter, 1);
1147 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1148 netxen_config_intr_coalesce(adapter);
1150 if (netdev->features & NETIF_F_LRO)
1151 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1153 netxen_napi_enable(adapter);
1155 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1156 netxen_linkevent_request(adapter, 1);
1158 netxen_nic_set_link_parameters(adapter);
1160 set_bit(__NX_DEV_UP, &adapter->state);
1164 /* Usage: During resume and firmware recovery module.*/
1167 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1172 if (netif_running(netdev))
1173 err = __netxen_nic_up(adapter, netdev);
1179 /* with rtnl_lock */
1181 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1183 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1186 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1190 spin_lock(&adapter->tx_clean_lock);
1191 netif_carrier_off(netdev);
1192 netif_tx_disable(netdev);
1194 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1195 netxen_linkevent_request(adapter, 0);
1197 if (adapter->stop_port)
1198 adapter->stop_port(adapter);
1200 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1201 netxen_p3_free_mac_list(adapter);
1203 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1205 netxen_napi_disable(adapter);
1207 netxen_release_tx_buffers(adapter);
1208 spin_unlock(&adapter->tx_clean_lock);
1211 /* Usage: During suspend and firmware recovery module */
1214 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1217 if (netif_running(netdev))
1218 __netxen_nic_down(adapter, netdev);
1224 netxen_nic_attach(struct netxen_adapter *adapter)
1226 struct net_device *netdev = adapter->netdev;
1227 struct pci_dev *pdev = adapter->pdev;
1229 struct nx_host_rds_ring *rds_ring;
1230 struct nx_host_tx_ring *tx_ring;
1233 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1236 err = netxen_init_firmware(adapter);
1240 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1241 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1242 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1243 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1244 adapter->flags |= NETXEN_FW_MSS_CAP;
1247 err = netxen_napi_add(adapter, netdev);
1251 err = netxen_alloc_sw_resources(adapter);
1253 printk(KERN_ERR "%s: Error in setting sw resources\n",
1258 err = netxen_alloc_hw_resources(adapter);
1260 printk(KERN_ERR "%s: Error in setting hw resources\n",
1262 goto err_out_free_sw;
1265 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1266 tx_ring = adapter->tx_ring;
1267 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1268 crb_cmd_producer[adapter->portnum]);
1269 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1270 crb_cmd_consumer[adapter->portnum]);
1272 tx_ring->producer = 0;
1273 tx_ring->sw_consumer = 0;
1275 netxen_nic_update_cmd_producer(adapter, tx_ring);
1276 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1279 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1280 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1281 netxen_post_rx_buffers(adapter, ring, rds_ring);
1284 err = netxen_nic_request_irq(adapter);
1286 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1288 goto err_out_free_rxbuf;
1291 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1292 netxen_nic_init_coalesce_defaults(adapter);
1294 netxen_create_sysfs_entries(adapter);
1296 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1300 netxen_release_rx_buffers(adapter);
1301 netxen_free_hw_resources(adapter);
1303 netxen_free_sw_resources(adapter);
1308 netxen_nic_detach(struct netxen_adapter *adapter)
1310 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1313 netxen_remove_sysfs_entries(adapter);
1315 netxen_free_hw_resources(adapter);
1316 netxen_release_rx_buffers(adapter);
1317 netxen_nic_free_irq(adapter);
1318 netxen_napi_del(adapter);
1319 netxen_free_sw_resources(adapter);
1325 netxen_nic_reset_context(struct netxen_adapter *adapter)
1328 struct net_device *netdev = adapter->netdev;
1330 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1333 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1335 netif_device_detach(netdev);
1337 if (netif_running(netdev))
1338 __netxen_nic_down(adapter, netdev);
1340 netxen_nic_detach(adapter);
1342 if (netif_running(netdev)) {
1343 err = netxen_nic_attach(adapter);
1345 err = __netxen_nic_up(adapter, netdev);
1351 netif_device_attach(netdev);
1355 clear_bit(__NX_RESETTING, &adapter->state);
1360 netxen_setup_netdev(struct netxen_adapter *adapter,
1361 struct net_device *netdev)
1364 struct pci_dev *pdev = adapter->pdev;
1366 adapter->mc_enabled = 0;
1367 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1368 adapter->max_mc_count = 38;
1370 adapter->max_mc_count = 16;
1372 netdev->netdev_ops = &netxen_netdev_ops;
1373 netdev->watchdog_timeo = 5*HZ;
1375 netxen_nic_change_mtu(netdev, netdev->mtu);
1377 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1379 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1382 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1383 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1385 netdev->vlan_features |= netdev->hw_features;
1387 if (adapter->pci_using_dac) {
1388 netdev->features |= NETIF_F_HIGHDMA;
1389 netdev->vlan_features |= NETIF_F_HIGHDMA;
1392 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1393 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1395 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1396 netdev->hw_features |= NETIF_F_LRO;
1398 netdev->features |= netdev->hw_features;
1400 netdev->irq = adapter->msix_entries[0].vector;
1402 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1404 if (netxen_read_mac_addr(adapter))
1405 dev_warn(&pdev->dev, "failed to read mac addr\n");
1407 netif_carrier_off(netdev);
1409 err = register_netdev(netdev);
1411 dev_err(&pdev->dev, "failed to register net device\n");
1418 #define NETXEN_ULA_ADAPTER_KEY (0xdaddad01)
1419 #define NETXEN_NON_ULA_ADAPTER_KEY (0xdaddad00)
1421 static void netxen_read_ula_info(struct netxen_adapter *adapter)
1425 /* Print ULA info only once for an adapter */
1426 if (adapter->portnum != 0)
1429 temp = NXRD32(adapter, NETXEN_ULA_KEY);
1431 case NETXEN_ULA_ADAPTER_KEY:
1432 dev_info(&adapter->pdev->dev, "ULA adapter");
1434 case NETXEN_NON_ULA_ADAPTER_KEY:
1435 dev_info(&adapter->pdev->dev, "non ULA adapter");
1444 #ifdef CONFIG_PCIEAER
1445 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1447 struct pci_dev *pdev = adapter->pdev;
1448 struct pci_dev *root = pdev->bus->self;
1455 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1456 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1459 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1462 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1466 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1471 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1473 struct net_device *netdev = NULL;
1474 struct netxen_adapter *adapter = NULL;
1476 int pci_func_id = PCI_FUNC(pdev->devfn);
1477 uint8_t revision_id;
1480 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1481 pr_warning("%s: chip revisions between 0x%x-0x%x "
1482 "will not be enabled.\n",
1483 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1487 if ((err = pci_enable_device(pdev)))
1490 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1492 goto err_out_disable_pdev;
1495 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1496 goto err_out_disable_pdev;
1498 if (NX_IS_REVISION_P3(pdev->revision))
1499 pci_enable_pcie_error_reporting(pdev);
1501 pci_set_master(pdev);
1503 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1506 goto err_out_free_res;
1509 SET_NETDEV_DEV(netdev, &pdev->dev);
1511 adapter = netdev_priv(netdev);
1512 adapter->netdev = netdev;
1513 adapter->pdev = pdev;
1514 adapter->ahw.pci_func = pci_func_id;
1516 revision_id = pdev->revision;
1517 adapter->ahw.revision_id = revision_id;
1519 rwlock_init(&adapter->ahw.crb_lock);
1520 spin_lock_init(&adapter->ahw.mem_lock);
1522 spin_lock_init(&adapter->tx_clean_lock);
1523 INIT_LIST_HEAD(&adapter->mac_list);
1524 INIT_LIST_HEAD(&adapter->ip_list);
1526 err = netxen_setup_pci_map(adapter);
1528 goto err_out_free_netdev;
1530 /* This will be reset for mezz cards */
1531 adapter->portnum = pci_func_id;
1533 err = netxen_nic_get_board_info(adapter);
1535 dev_err(&pdev->dev, "Error getting board config info.\n");
1536 goto err_out_iounmap;
1539 #ifdef CONFIG_PCIEAER
1540 netxen_mask_aer_correctable(adapter);
1543 /* Mezz cards have PCI function 0,2,3 enabled */
1544 switch (adapter->ahw.board_type) {
1545 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1546 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1547 if (pci_func_id >= 2)
1548 adapter->portnum = pci_func_id - 2;
1554 err = netxen_check_flash_fw_compatibility(adapter);
1556 goto err_out_iounmap;
1558 if (adapter->portnum == 0) {
1559 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1560 if (val != 0xffffffff && val != 0) {
1561 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1562 adapter->need_fw_reset = 1;
1566 err = netxen_start_firmware(adapter);
1568 goto err_out_decr_ref;
1571 * See if the firmware gave us a virtual-physical port mapping.
1573 adapter->physical_port = adapter->portnum;
1574 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1575 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1576 if (i != 0x55555555)
1577 adapter->physical_port = i;
1580 netxen_nic_clear_stats(adapter);
1582 err = netxen_setup_intr(adapter);
1585 dev_err(&adapter->pdev->dev,
1586 "Failed to setup interrupts, error = %d\n", err);
1587 goto err_out_disable_msi;
1590 netxen_read_ula_info(adapter);
1592 err = netxen_setup_netdev(adapter, netdev);
1594 goto err_out_disable_msi;
1596 pci_set_drvdata(pdev, adapter);
1598 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1600 switch (adapter->ahw.port_type) {
1601 case NETXEN_NIC_GBE:
1602 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1603 adapter->netdev->name);
1605 case NETXEN_NIC_XGBE:
1606 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1607 adapter->netdev->name);
1611 netxen_create_diag_entries(adapter);
1615 err_out_disable_msi:
1616 netxen_teardown_intr(adapter);
1618 netxen_free_dummy_dma(adapter);
1621 nx_decr_dev_ref_cnt(adapter);
1624 netxen_cleanup_pci_map(adapter);
1626 err_out_free_netdev:
1627 free_netdev(netdev);
1630 pci_release_regions(pdev);
1632 err_out_disable_pdev:
1633 pci_disable_device(pdev);
1638 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1640 kfree(adapter->mdump.md_template);
1641 adapter->mdump.md_template = NULL;
1643 if (adapter->mdump.md_capture_buff) {
1644 vfree(adapter->mdump.md_capture_buff);
1645 adapter->mdump.md_capture_buff = NULL;
1649 static void netxen_nic_remove(struct pci_dev *pdev)
1651 struct netxen_adapter *adapter;
1652 struct net_device *netdev;
1654 adapter = pci_get_drvdata(pdev);
1655 if (adapter == NULL)
1658 netdev = adapter->netdev;
1660 netxen_cancel_fw_work(adapter);
1662 unregister_netdev(netdev);
1664 cancel_work_sync(&adapter->tx_timeout_task);
1666 netxen_free_ip_list(adapter, false);
1667 netxen_nic_detach(adapter);
1669 nx_decr_dev_ref_cnt(adapter);
1671 if (adapter->portnum == 0)
1672 netxen_free_dummy_dma(adapter);
1674 clear_bit(__NX_RESETTING, &adapter->state);
1676 netxen_teardown_intr(adapter);
1677 netxen_set_interrupt_mode(adapter, 0);
1678 netxen_remove_diag_entries(adapter);
1680 netxen_cleanup_pci_map(adapter);
1682 netxen_release_firmware(adapter);
1684 if (NX_IS_REVISION_P3(pdev->revision)) {
1685 netxen_cleanup_minidump(adapter);
1686 pci_disable_pcie_error_reporting(pdev);
1689 pci_release_regions(pdev);
1690 pci_disable_device(pdev);
1692 free_netdev(netdev);
1695 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1697 struct net_device *netdev = adapter->netdev;
1699 netif_device_detach(netdev);
1701 netxen_cancel_fw_work(adapter);
1703 if (netif_running(netdev))
1704 netxen_nic_down(adapter, netdev);
1706 cancel_work_sync(&adapter->tx_timeout_task);
1708 netxen_nic_detach(adapter);
1710 if (adapter->portnum == 0)
1711 netxen_free_dummy_dma(adapter);
1713 nx_decr_dev_ref_cnt(adapter);
1715 clear_bit(__NX_RESETTING, &adapter->state);
1718 static int netxen_nic_attach_func(struct pci_dev *pdev)
1720 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1721 struct net_device *netdev = adapter->netdev;
1724 err = pci_enable_device(pdev);
1728 pci_set_power_state(pdev, PCI_D0);
1729 pci_set_master(pdev);
1730 pci_restore_state(pdev);
1732 adapter->ahw.crb_win = -1;
1733 adapter->ahw.ocm_win = -1;
1735 err = netxen_start_firmware(adapter);
1737 dev_err(&pdev->dev, "failed to start firmware\n");
1741 if (netif_running(netdev)) {
1742 err = netxen_nic_attach(adapter);
1746 err = netxen_nic_up(adapter, netdev);
1748 goto err_out_detach;
1750 netxen_restore_indev_addr(netdev, NETDEV_UP);
1753 netif_device_attach(netdev);
1754 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1758 netxen_nic_detach(adapter);
1760 nx_decr_dev_ref_cnt(adapter);
1764 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1765 pci_channel_state_t state)
1767 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1769 if (state == pci_channel_io_perm_failure)
1770 return PCI_ERS_RESULT_DISCONNECT;
1772 if (nx_dev_request_aer(adapter))
1773 return PCI_ERS_RESULT_RECOVERED;
1775 netxen_nic_detach_func(adapter);
1777 pci_disable_device(pdev);
1779 return PCI_ERS_RESULT_NEED_RESET;
1782 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1786 err = netxen_nic_attach_func(pdev);
1788 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1791 static void netxen_io_resume(struct pci_dev *pdev)
1793 pci_cleanup_aer_uncorrect_error_status(pdev);
1796 static void netxen_nic_shutdown(struct pci_dev *pdev)
1798 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1800 netxen_nic_detach_func(adapter);
1802 if (pci_save_state(pdev))
1805 if (netxen_nic_wol_supported(adapter)) {
1806 pci_enable_wake(pdev, PCI_D3cold, 1);
1807 pci_enable_wake(pdev, PCI_D3hot, 1);
1810 pci_disable_device(pdev);
1815 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1817 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1820 netxen_nic_detach_func(adapter);
1822 retval = pci_save_state(pdev);
1826 if (netxen_nic_wol_supported(adapter)) {
1827 pci_enable_wake(pdev, PCI_D3cold, 1);
1828 pci_enable_wake(pdev, PCI_D3hot, 1);
1831 pci_disable_device(pdev);
1832 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1838 netxen_nic_resume(struct pci_dev *pdev)
1840 return netxen_nic_attach_func(pdev);
1844 static int netxen_nic_open(struct net_device *netdev)
1846 struct netxen_adapter *adapter = netdev_priv(netdev);
1849 if (adapter->driver_mismatch)
1852 err = netxen_nic_attach(adapter);
1856 err = __netxen_nic_up(adapter, netdev);
1860 netif_start_queue(netdev);
1865 netxen_nic_detach(adapter);
1870 * netxen_nic_close - Disables a network interface entry point
1872 static int netxen_nic_close(struct net_device *netdev)
1874 struct netxen_adapter *adapter = netdev_priv(netdev);
1876 __netxen_nic_down(adapter, netdev);
1881 netxen_tso_check(struct net_device *netdev,
1882 struct nx_host_tx_ring *tx_ring,
1883 struct cmd_desc_type0 *first_desc,
1884 struct sk_buff *skb)
1886 u8 opcode = TX_ETHER_PKT;
1887 __be16 protocol = skb->protocol;
1888 u16 flags = 0, vid = 0;
1890 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1891 struct cmd_desc_type0 *hwdesc;
1892 struct vlan_ethhdr *vh;
1894 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1896 vh = (struct vlan_ethhdr *)skb->data;
1897 protocol = vh->h_vlan_encapsulated_proto;
1898 flags = FLAGS_VLAN_TAGGED;
1900 } else if (vlan_tx_tag_present(skb)) {
1901 flags = FLAGS_VLAN_OOB;
1902 vid = vlan_tx_tag_get(skb);
1903 netxen_set_tx_vlan_tci(first_desc, vid);
1907 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1908 skb_shinfo(skb)->gso_size > 0) {
1910 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1912 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1913 first_desc->total_hdr_length = hdr_len;
1915 first_desc->total_hdr_length += VLAN_HLEN;
1916 first_desc->tcp_hdr_offset = VLAN_HLEN;
1917 first_desc->ip_hdr_offset = VLAN_HLEN;
1918 /* Only in case of TSO on vlan device */
1919 flags |= FLAGS_VLAN_TAGGED;
1922 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1923 TX_TCP_LSO6 : TX_TCP_LSO;
1926 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1929 if (protocol == cpu_to_be16(ETH_P_IP)) {
1930 l4proto = ip_hdr(skb)->protocol;
1932 if (l4proto == IPPROTO_TCP)
1933 opcode = TX_TCP_PKT;
1934 else if(l4proto == IPPROTO_UDP)
1935 opcode = TX_UDP_PKT;
1936 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1937 l4proto = ipv6_hdr(skb)->nexthdr;
1939 if (l4proto == IPPROTO_TCP)
1940 opcode = TX_TCPV6_PKT;
1941 else if(l4proto == IPPROTO_UDP)
1942 opcode = TX_UDPV6_PKT;
1946 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1947 first_desc->ip_hdr_offset += skb_network_offset(skb);
1948 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1953 /* For LSO, we need to copy the MAC/IP/TCP headers into
1954 * the descriptor ring
1956 producer = tx_ring->producer;
1961 /* Create a TSO vlan header template for firmware */
1963 hwdesc = &tx_ring->desc_head[producer];
1964 tx_ring->cmd_buf_arr[producer].skb = NULL;
1966 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1967 hdr_len + VLAN_HLEN);
1969 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1970 skb_copy_from_linear_data(skb, vh, 12);
1971 vh->h_vlan_proto = htons(ETH_P_8021Q);
1972 vh->h_vlan_TCI = htons(vid);
1973 skb_copy_from_linear_data_offset(skb, 12,
1974 (char *)vh + 16, copy_len - 16);
1976 copied = copy_len - VLAN_HLEN;
1979 producer = get_next_index(producer, tx_ring->num_desc);
1982 while (copied < hdr_len) {
1984 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1985 (hdr_len - copied));
1987 hwdesc = &tx_ring->desc_head[producer];
1988 tx_ring->cmd_buf_arr[producer].skb = NULL;
1990 skb_copy_from_linear_data_offset(skb, copied,
1991 (char *)hwdesc + offset, copy_len);
1996 producer = get_next_index(producer, tx_ring->num_desc);
1999 tx_ring->producer = producer;
2004 netxen_map_tx_skb(struct pci_dev *pdev,
2005 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
2007 struct netxen_skb_frag *nf;
2008 struct skb_frag_struct *frag;
2012 nr_frags = skb_shinfo(skb)->nr_frags;
2013 nf = &pbuf->frag_array[0];
2015 map = pci_map_single(pdev, skb->data,
2016 skb_headlen(skb), PCI_DMA_TODEVICE);
2017 if (pci_dma_mapping_error(pdev, map))
2021 nf->length = skb_headlen(skb);
2023 for (i = 0; i < nr_frags; i++) {
2024 frag = &skb_shinfo(skb)->frags[i];
2025 nf = &pbuf->frag_array[i+1];
2027 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2029 if (dma_mapping_error(&pdev->dev, map))
2033 nf->length = skb_frag_size(frag);
2040 nf = &pbuf->frag_array[i+1];
2041 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2045 nf = &pbuf->frag_array[0];
2046 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2054 netxen_clear_cmddesc(u64 *desc)
2061 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2063 struct netxen_adapter *adapter = netdev_priv(netdev);
2064 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2065 struct netxen_cmd_buffer *pbuf;
2066 struct netxen_skb_frag *buffrag;
2067 struct cmd_desc_type0 *hwdesc, *first_desc;
2068 struct pci_dev *pdev;
2071 struct skb_frag_struct *frag;
2074 int frag_count, no_of_desc;
2075 u32 num_txd = tx_ring->num_desc;
2077 frag_count = skb_shinfo(skb)->nr_frags + 1;
2079 /* 14 frags supported for normal packet and
2080 * 32 frags supported for TSO packet
2082 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2084 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2085 frag = &skb_shinfo(skb)->frags[i];
2086 delta += skb_frag_size(frag);
2089 if (!__pskb_pull_tail(skb, delta))
2092 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2094 /* 4 fragments per cmd des */
2095 no_of_desc = (frag_count + 3) >> 2;
2097 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2098 netif_stop_queue(netdev);
2100 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2101 netif_start_queue(netdev);
2103 return NETDEV_TX_BUSY;
2106 producer = tx_ring->producer;
2107 pbuf = &tx_ring->cmd_buf_arr[producer];
2109 pdev = adapter->pdev;
2111 if (netxen_map_tx_skb(pdev, skb, pbuf))
2115 pbuf->frag_count = frag_count;
2117 first_desc = hwdesc = &tx_ring->desc_head[producer];
2118 netxen_clear_cmddesc((u64 *)hwdesc);
2120 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2121 netxen_set_tx_port(first_desc, adapter->portnum);
2123 for (i = 0; i < frag_count; i++) {
2127 if ((k == 0) && (i > 0)) {
2128 /* move to next desc.*/
2129 producer = get_next_index(producer, num_txd);
2130 hwdesc = &tx_ring->desc_head[producer];
2131 netxen_clear_cmddesc((u64 *)hwdesc);
2132 tx_ring->cmd_buf_arr[producer].skb = NULL;
2135 buffrag = &pbuf->frag_array[i];
2137 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2140 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2143 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2146 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2149 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2154 tx_ring->producer = get_next_index(producer, num_txd);
2156 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2158 adapter->stats.txbytes += skb->len;
2159 adapter->stats.xmitcalled++;
2161 netxen_nic_update_cmd_producer(adapter, tx_ring);
2163 return NETDEV_TX_OK;
2166 adapter->stats.txdropped++;
2167 dev_kfree_skb_any(skb);
2168 return NETDEV_TX_OK;
2171 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2173 struct net_device *netdev = adapter->netdev;
2174 uint32_t temp, temp_state, temp_val;
2177 temp = NXRD32(adapter, CRB_TEMP_STATE);
2179 temp_state = nx_get_temp_state(temp);
2180 temp_val = nx_get_temp_val(temp);
2182 if (temp_state == NX_TEMP_PANIC) {
2184 "%s: Device temperature %d degrees C exceeds"
2185 " maximum allowed. Hardware has been shut down.\n",
2186 netdev->name, temp_val);
2188 } else if (temp_state == NX_TEMP_WARN) {
2189 if (adapter->temp == NX_TEMP_NORMAL) {
2191 "%s: Device temperature %d degrees C "
2192 "exceeds operating range."
2193 " Immediate action needed.\n",
2194 netdev->name, temp_val);
2197 if (adapter->temp == NX_TEMP_WARN) {
2199 "%s: Device temperature is now %d degrees C"
2200 " in normal range.\n", netdev->name,
2204 adapter->temp = temp_state;
2208 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2210 struct net_device *netdev = adapter->netdev;
2212 if (adapter->ahw.linkup && !linkup) {
2213 printk(KERN_INFO "%s: %s NIC Link is down\n",
2214 netxen_nic_driver_name, netdev->name);
2215 adapter->ahw.linkup = 0;
2216 if (netif_running(netdev)) {
2217 netif_carrier_off(netdev);
2218 netif_stop_queue(netdev);
2220 adapter->link_changed = !adapter->has_link_events;
2221 } else if (!adapter->ahw.linkup && linkup) {
2222 printk(KERN_INFO "%s: %s NIC Link is up\n",
2223 netxen_nic_driver_name, netdev->name);
2224 adapter->ahw.linkup = 1;
2225 if (netif_running(netdev)) {
2226 netif_carrier_on(netdev);
2227 netif_wake_queue(netdev);
2229 adapter->link_changed = !adapter->has_link_events;
2233 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2235 u32 val, port, linkup;
2237 port = adapter->physical_port;
2239 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2240 val = NXRD32(adapter, CRB_XG_STATE_P3);
2241 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2242 linkup = (val == XG_LINK_UP_P3);
2244 val = NXRD32(adapter, CRB_XG_STATE);
2245 val = (val >> port*8) & 0xff;
2246 linkup = (val == XG_LINK_UP);
2249 netxen_advert_link_change(adapter, linkup);
2252 static void netxen_tx_timeout(struct net_device *netdev)
2254 struct netxen_adapter *adapter = netdev_priv(netdev);
2256 if (test_bit(__NX_RESETTING, &adapter->state))
2259 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2260 schedule_work(&adapter->tx_timeout_task);
2263 static void netxen_tx_timeout_task(struct work_struct *work)
2265 struct netxen_adapter *adapter =
2266 container_of(work, struct netxen_adapter, tx_timeout_task);
2268 if (!netif_running(adapter->netdev))
2271 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2274 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2278 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2279 /* try to scrub interrupt */
2280 netxen_napi_disable(adapter);
2282 netxen_napi_enable(adapter);
2284 netif_wake_queue(adapter->netdev);
2286 clear_bit(__NX_RESETTING, &adapter->state);
2288 clear_bit(__NX_RESETTING, &adapter->state);
2289 if (netxen_nic_reset_context(adapter)) {
2294 adapter->netdev->trans_start = jiffies;
2299 adapter->need_fw_reset = 1;
2300 clear_bit(__NX_RESETTING, &adapter->state);
2303 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2304 struct rtnl_link_stats64 *stats)
2306 struct netxen_adapter *adapter = netdev_priv(netdev);
2308 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2309 stats->tx_packets = adapter->stats.xmitfinished;
2310 stats->rx_bytes = adapter->stats.rxbytes;
2311 stats->tx_bytes = adapter->stats.txbytes;
2312 stats->rx_dropped = adapter->stats.rxdropped;
2313 stats->tx_dropped = adapter->stats.txdropped;
2318 static irqreturn_t netxen_intr(int irq, void *data)
2320 struct nx_host_sds_ring *sds_ring = data;
2321 struct netxen_adapter *adapter = sds_ring->adapter;
2324 status = readl(adapter->isr_int_vec);
2326 if (!(status & adapter->int_vec_bit))
2329 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2330 /* check interrupt state machine, to be sure */
2331 status = readl(adapter->crb_int_state_reg);
2332 if (!ISR_LEGACY_INT_TRIGGERED(status))
2336 unsigned long our_int = 0;
2338 our_int = readl(adapter->crb_int_state_reg);
2340 /* not our interrupt */
2341 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2344 /* claim interrupt */
2345 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2347 /* clear interrupt */
2348 netxen_nic_disable_int(sds_ring);
2351 writel(0xffffffff, adapter->tgt_status_reg);
2352 /* read twice to ensure write is flushed */
2353 readl(adapter->isr_int_vec);
2354 readl(adapter->isr_int_vec);
2356 napi_schedule(&sds_ring->napi);
2361 static irqreturn_t netxen_msi_intr(int irq, void *data)
2363 struct nx_host_sds_ring *sds_ring = data;
2364 struct netxen_adapter *adapter = sds_ring->adapter;
2366 /* clear interrupt */
2367 writel(0xffffffff, adapter->tgt_status_reg);
2369 napi_schedule(&sds_ring->napi);
2373 static irqreturn_t netxen_msix_intr(int irq, void *data)
2375 struct nx_host_sds_ring *sds_ring = data;
2377 napi_schedule(&sds_ring->napi);
2381 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2383 struct nx_host_sds_ring *sds_ring =
2384 container_of(napi, struct nx_host_sds_ring, napi);
2386 struct netxen_adapter *adapter = sds_ring->adapter;
2391 tx_complete = netxen_process_cmd_ring(adapter);
2393 work_done = netxen_process_rcv_ring(sds_ring, budget);
2395 if ((work_done < budget) && tx_complete) {
2396 napi_complete(&sds_ring->napi);
2397 if (test_bit(__NX_DEV_UP, &adapter->state))
2398 netxen_nic_enable_int(sds_ring);
2404 #ifdef CONFIG_NET_POLL_CONTROLLER
2405 static void netxen_nic_poll_controller(struct net_device *netdev)
2408 struct nx_host_sds_ring *sds_ring;
2409 struct netxen_adapter *adapter = netdev_priv(netdev);
2410 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2412 disable_irq(adapter->irq);
2413 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2414 sds_ring = &recv_ctx->sds_rings[ring];
2415 netxen_intr(adapter->irq, sds_ring);
2417 enable_irq(adapter->irq);
2422 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2425 if (netxen_api_lock(adapter))
2428 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2430 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2432 netxen_api_unlock(adapter);
2437 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2440 if (netxen_api_lock(adapter))
2443 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2444 WARN_ON(count == 0);
2446 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2447 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2449 if (count == 0 && state != NX_DEV_FAILED)
2450 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2452 netxen_api_unlock(adapter);
2457 nx_dev_request_aer(struct netxen_adapter *adapter)
2462 if (netxen_api_lock(adapter))
2465 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2467 if (state == NX_DEV_NEED_AER)
2469 else if (state == NX_DEV_READY) {
2470 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2474 netxen_api_unlock(adapter);
2479 nx_dev_request_reset(struct netxen_adapter *adapter)
2484 if (netxen_api_lock(adapter))
2487 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2489 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2491 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2492 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2493 adapter->flags |= NETXEN_FW_RESET_OWNER;
2497 netxen_api_unlock(adapter);
2503 netxen_can_start_firmware(struct netxen_adapter *adapter)
2508 if (netxen_api_lock(adapter)) {
2509 nx_incr_dev_ref_cnt(adapter);
2513 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2515 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2520 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2523 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2525 netxen_api_unlock(adapter);
2531 netxen_schedule_work(struct netxen_adapter *adapter,
2532 work_func_t func, int delay)
2534 INIT_DELAYED_WORK(&adapter->fw_work, func);
2535 schedule_delayed_work(&adapter->fw_work, delay);
2539 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2541 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2544 cancel_delayed_work_sync(&adapter->fw_work);
2548 netxen_attach_work(struct work_struct *work)
2550 struct netxen_adapter *adapter = container_of(work,
2551 struct netxen_adapter, fw_work.work);
2552 struct net_device *netdev = adapter->netdev;
2555 if (netif_running(netdev)) {
2556 err = netxen_nic_attach(adapter);
2560 err = netxen_nic_up(adapter, netdev);
2562 netxen_nic_detach(adapter);
2566 netxen_restore_indev_addr(netdev, NETDEV_UP);
2569 netif_device_attach(netdev);
2572 adapter->fw_fail_cnt = 0;
2573 clear_bit(__NX_RESETTING, &adapter->state);
2574 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2578 netxen_fwinit_work(struct work_struct *work)
2580 struct netxen_adapter *adapter = container_of(work,
2581 struct netxen_adapter, fw_work.work);
2584 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2585 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2586 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2587 WARN_ON(count == 0);
2589 if (adapter->mdump.md_enabled) {
2591 netxen_dump_fw(adapter);
2594 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2595 if (netxen_api_lock(adapter)) {
2596 clear_bit(__NX_RESETTING, &adapter->state);
2597 NXWR32(adapter, NX_CRB_DEV_STATE,
2601 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2602 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2603 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2604 dev_state = NX_DEV_COLD;
2605 netxen_api_unlock(adapter);
2609 switch (dev_state) {
2612 if (!netxen_start_firmware(adapter)) {
2613 netxen_schedule_work(adapter, netxen_attach_work, 0);
2618 case NX_DEV_NEED_RESET:
2619 case NX_DEV_INITALIZING:
2620 netxen_schedule_work(adapter,
2621 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2626 nx_incr_dev_ref_cnt(adapter);
2630 if (netxen_api_lock(adapter)) {
2631 clear_bit(__NX_RESETTING, &adapter->state);
2634 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2635 netxen_api_unlock(adapter);
2636 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2637 adapter->netdev->name);
2639 clear_bit(__NX_RESETTING, &adapter->state);
2643 netxen_detach_work(struct work_struct *work)
2645 struct netxen_adapter *adapter = container_of(work,
2646 struct netxen_adapter, fw_work.work);
2647 struct net_device *netdev = adapter->netdev;
2648 int ref_cnt = 0, delay;
2651 netif_device_detach(netdev);
2653 netxen_nic_down(adapter, netdev);
2656 netxen_nic_detach(adapter);
2659 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2661 if (status & NX_RCODE_FATAL_ERROR)
2664 if (adapter->temp == NX_TEMP_PANIC)
2667 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2668 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2670 if (ref_cnt == -EIO)
2673 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2675 adapter->fw_wait_cnt = 0;
2676 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2681 clear_bit(__NX_RESETTING, &adapter->state);
2685 netxen_check_health(struct netxen_adapter *adapter)
2687 u32 state, heartbit;
2689 struct net_device *netdev = adapter->netdev;
2691 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2692 if (state == NX_DEV_NEED_AER)
2695 if (netxen_nic_check_temp(adapter))
2698 if (adapter->need_fw_reset) {
2699 if (nx_dev_request_reset(adapter))
2704 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2705 * 1. Tx timeout 2. Fw hang
2706 * Send request to destroy context in case of tx timeout only
2707 * and doesn't required in case of Fw hang
2709 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2710 adapter->need_fw_reset = 1;
2711 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2715 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2718 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2719 if (heartbit != adapter->heartbit) {
2720 adapter->heartbit = heartbit;
2721 adapter->fw_fail_cnt = 0;
2722 if (adapter->need_fw_reset)
2727 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2730 if (nx_dev_request_reset(adapter))
2733 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2735 dev_err(&netdev->dev, "firmware hang detected\n");
2736 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2737 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2738 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2739 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2740 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2741 "PEG_NET_4_PC: 0x%x\n",
2743 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2744 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2745 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2746 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2747 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2748 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2749 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2750 dev_err(&adapter->pdev->dev,
2751 "Firmware aborted with error code 0x00006700. "
2752 "Device is being reset.\n");
2754 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2755 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2756 netxen_schedule_work(adapter, netxen_detach_work, 0);
2761 netxen_fw_poll_work(struct work_struct *work)
2763 struct netxen_adapter *adapter = container_of(work,
2764 struct netxen_adapter, fw_work.work);
2766 if (test_bit(__NX_RESETTING, &adapter->state))
2769 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2770 if (!adapter->has_link_events) {
2772 netxen_nic_handle_phy_intr(adapter);
2774 if (adapter->link_changed)
2775 netxen_nic_set_link_parameters(adapter);
2779 if (netxen_check_health(adapter))
2783 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2787 netxen_store_bridged_mode(struct device *dev,
2788 struct device_attribute *attr, const char *buf, size_t len)
2790 struct net_device *net = to_net_dev(dev);
2791 struct netxen_adapter *adapter = netdev_priv(net);
2795 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2798 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2801 if (kstrtoul(buf, 2, &new))
2804 if (!netxen_config_bridged_mode(adapter, !!new))
2812 netxen_show_bridged_mode(struct device *dev,
2813 struct device_attribute *attr, char *buf)
2815 struct net_device *net = to_net_dev(dev);
2816 struct netxen_adapter *adapter;
2817 int bridged_mode = 0;
2819 adapter = netdev_priv(net);
2821 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2822 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2824 return sprintf(buf, "%d\n", bridged_mode);
2827 static struct device_attribute dev_attr_bridged_mode = {
2828 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2829 .show = netxen_show_bridged_mode,
2830 .store = netxen_store_bridged_mode,
2834 netxen_store_diag_mode(struct device *dev,
2835 struct device_attribute *attr, const char *buf, size_t len)
2837 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2840 if (kstrtoul(buf, 2, &new))
2843 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2844 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2850 netxen_show_diag_mode(struct device *dev,
2851 struct device_attribute *attr, char *buf)
2853 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2855 return sprintf(buf, "%d\n",
2856 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2859 static struct device_attribute dev_attr_diag_mode = {
2860 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2861 .show = netxen_show_diag_mode,
2862 .store = netxen_store_diag_mode,
2866 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2867 loff_t offset, size_t size)
2869 size_t crb_size = 4;
2871 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2874 if (offset < NETXEN_PCI_CRBSPACE) {
2875 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2878 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2879 NETXEN_PCI_CAMQM_2M_END))
2885 if ((size != crb_size) || (offset & (crb_size-1)))
2892 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2893 struct bin_attribute *attr,
2894 char *buf, loff_t offset, size_t size)
2896 struct device *dev = container_of(kobj, struct device, kobj);
2897 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2902 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2906 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2907 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2908 NETXEN_PCI_CAMQM_2M_END)) {
2909 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2910 memcpy(buf, &qmdata, size);
2912 data = NXRD32(adapter, offset);
2913 memcpy(buf, &data, size);
2920 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2921 struct bin_attribute *attr,
2922 char *buf, loff_t offset, size_t size)
2924 struct device *dev = container_of(kobj, struct device, kobj);
2925 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2930 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2934 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2935 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2936 NETXEN_PCI_CAMQM_2M_END)) {
2937 memcpy(&qmdata, buf, size);
2938 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2940 memcpy(&data, buf, size);
2941 NXWR32(adapter, offset, data);
2948 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2949 loff_t offset, size_t size)
2951 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2954 if ((size != 8) || (offset & 0x7))
2961 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2962 struct bin_attribute *attr,
2963 char *buf, loff_t offset, size_t size)
2965 struct device *dev = container_of(kobj, struct device, kobj);
2966 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2970 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2974 if (adapter->pci_mem_read(adapter, offset, &data))
2977 memcpy(buf, &data, size);
2982 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2983 struct bin_attribute *attr, char *buf,
2984 loff_t offset, size_t size)
2986 struct device *dev = container_of(kobj, struct device, kobj);
2987 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2991 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2995 memcpy(&data, buf, size);
2997 if (adapter->pci_mem_write(adapter, offset, data))
3004 static struct bin_attribute bin_attr_crb = {
3005 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
3007 .read = netxen_sysfs_read_crb,
3008 .write = netxen_sysfs_write_crb,
3011 static struct bin_attribute bin_attr_mem = {
3012 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
3014 .read = netxen_sysfs_read_mem,
3015 .write = netxen_sysfs_write_mem,
3019 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
3020 struct bin_attribute *attr,
3021 char *buf, loff_t offset, size_t size)
3023 struct device *dev = container_of(kobj, struct device, kobj);
3024 struct netxen_adapter *adapter = dev_get_drvdata(dev);
3025 struct net_device *netdev = adapter->netdev;
3026 struct netxen_dimm_cfg dimm;
3027 u8 dw, rows, cols, banks, ranks;
3030 if (size != sizeof(struct netxen_dimm_cfg)) {
3031 netdev_err(netdev, "Invalid size\n");
3035 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3036 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3038 /* Checks if DIMM info is valid. */
3039 if (val & NETXEN_DIMM_VALID_FLAG) {
3040 netdev_err(netdev, "Invalid DIMM flag\n");
3041 dimm.presence = 0xff;
3045 rows = NETXEN_DIMM_NUMROWS(val);
3046 cols = NETXEN_DIMM_NUMCOLS(val);
3047 ranks = NETXEN_DIMM_NUMRANKS(val);
3048 banks = NETXEN_DIMM_NUMBANKS(val);
3049 dw = NETXEN_DIMM_DATAWIDTH(val);
3051 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3053 /* Checks if DIMM info is present. */
3054 if (!dimm.presence) {
3055 netdev_err(netdev, "DIMM not present\n");
3059 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3061 switch (dimm.dimm_type) {
3062 case NETXEN_DIMM_TYPE_RDIMM:
3063 case NETXEN_DIMM_TYPE_UDIMM:
3064 case NETXEN_DIMM_TYPE_SO_DIMM:
3065 case NETXEN_DIMM_TYPE_Micro_DIMM:
3066 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3067 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3070 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3074 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3075 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3077 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3079 if (val & NETXEN_DIMM_SIZE) {
3080 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3085 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3090 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3095 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3127 netdev_err(netdev, "Invalid data-width %x\n", dw);
3131 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3132 /* Size returned in MB. */
3133 dimm.size = (dimm.size) / 0x100000;
3135 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3136 return sizeof(struct netxen_dimm_cfg);
3140 static struct bin_attribute bin_attr_dimm = {
3141 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3143 .read = netxen_sysfs_read_dimm,
3148 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3150 struct device *dev = &adapter->pdev->dev;
3152 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3153 /* bridged_mode control */
3154 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3156 "failed to create bridged_mode sysfs entry\n");
3162 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3164 struct device *dev = &adapter->pdev->dev;
3166 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3167 device_remove_file(dev, &dev_attr_bridged_mode);
3171 netxen_create_diag_entries(struct netxen_adapter *adapter)
3173 struct pci_dev *pdev = adapter->pdev;
3177 if (device_create_file(dev, &dev_attr_diag_mode))
3178 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3179 if (device_create_bin_file(dev, &bin_attr_crb))
3180 dev_info(dev, "failed to create crb sysfs entry\n");
3181 if (device_create_bin_file(dev, &bin_attr_mem))
3182 dev_info(dev, "failed to create mem sysfs entry\n");
3183 if (device_create_bin_file(dev, &bin_attr_dimm))
3184 dev_info(dev, "failed to create dimm sysfs entry\n");
3189 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3191 struct pci_dev *pdev = adapter->pdev;
3192 struct device *dev = &pdev->dev;
3194 device_remove_file(dev, &dev_attr_diag_mode);
3195 device_remove_bin_file(dev, &bin_attr_crb);
3196 device_remove_bin_file(dev, &bin_attr_mem);
3197 device_remove_bin_file(dev, &bin_attr_dimm);
3202 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3205 netxen_destip_supported(struct netxen_adapter *adapter)
3207 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3210 if (adapter->ahw.cut_through)
3217 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3219 struct nx_ip_list *cur, *tmp_cur;
3221 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3224 netxen_config_ipaddr(adapter, cur->ip_addr,
3226 list_del(&cur->list);
3230 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3231 list_del(&cur->list);
3238 netxen_list_config_ip(struct netxen_adapter *adapter,
3239 struct in_ifaddr *ifa, unsigned long event)
3241 struct net_device *dev;
3242 struct nx_ip_list *cur, *tmp_cur;
3243 struct list_head *head;
3246 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3253 list_for_each(head, &adapter->ip_list) {
3254 cur = list_entry(head, struct nx_ip_list, list);
3256 if (cur->ip_addr == ifa->ifa_address)
3260 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3263 if (dev->priv_flags & IFF_802_1Q_VLAN)
3264 dev = vlan_dev_real_dev(dev);
3265 cur->master = !!netif_is_bond_master(dev);
3266 cur->ip_addr = ifa->ifa_address;
3267 list_add_tail(&cur->list, &adapter->ip_list);
3268 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3272 list_for_each_entry_safe(cur, tmp_cur,
3273 &adapter->ip_list, list) {
3274 if (cur->ip_addr == ifa->ifa_address) {
3275 list_del(&cur->list);
3277 netxen_config_ipaddr(adapter, ifa->ifa_address,
3289 netxen_config_indev_addr(struct netxen_adapter *adapter,
3290 struct net_device *dev, unsigned long event)
3292 struct in_device *indev;
3294 if (!netxen_destip_supported(adapter))
3297 indev = in_dev_get(dev);
3304 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3307 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3312 } endfor_ifa(indev);
3318 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3321 struct netxen_adapter *adapter = netdev_priv(netdev);
3322 struct nx_ip_list *pos, *tmp_pos;
3323 unsigned long ip_event;
3325 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3326 netxen_config_indev_addr(adapter, netdev, event);
3328 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3329 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3334 netxen_config_checkdev(struct net_device *dev)
3336 struct netxen_adapter *adapter;
3338 if (!is_netxen_netdev(dev))
3340 adapter = netdev_priv(dev);
3343 if (!netxen_destip_supported(adapter))
3345 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3352 * netxen_config_master - configure addresses based on master
3353 * @dev: netxen device
3354 * @event: netdev event
3356 static void netxen_config_master(struct net_device *dev, unsigned long event)
3358 struct net_device *master, *slave;
3359 struct netxen_adapter *adapter = netdev_priv(dev);
3362 master = netdev_master_upper_dev_get_rcu(dev);
3364 * This is the case where the netxen nic is being
3365 * enslaved and is dev_open()ed in bond_enslave()
3366 * Now we should program the bond's (and its vlans')
3367 * addresses in the netxen NIC.
3369 if (master && netif_is_bond_master(master) &&
3370 !netif_is_bond_slave(dev)) {
3371 netxen_config_indev_addr(adapter, master, event);
3372 for_each_netdev_rcu(&init_net, slave)
3373 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3374 vlan_dev_real_dev(slave) == master)
3375 netxen_config_indev_addr(adapter, slave, event);
3379 * This is the case where the netxen nic is being
3380 * released and is dev_close()ed in bond_release()
3381 * just before IFF_BONDING is stripped.
3383 if (!master && dev->priv_flags & IFF_BONDING)
3384 netxen_free_ip_list(adapter, true);
3387 static int netxen_netdev_event(struct notifier_block *this,
3388 unsigned long event, void *ptr)
3390 struct netxen_adapter *adapter;
3391 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3392 struct net_device *orig_dev = dev;
3393 struct net_device *slave;
3399 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3400 dev = vlan_dev_real_dev(dev);
3403 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3404 /* If this is a bonding device, look for netxen-based slaves*/
3405 if (netif_is_bond_master(dev)) {
3407 for_each_netdev_in_bond_rcu(dev, slave) {
3408 if (!netxen_config_checkdev(slave))
3410 adapter = netdev_priv(slave);
3411 netxen_config_indev_addr(adapter,
3416 if (!netxen_config_checkdev(dev))
3418 adapter = netdev_priv(dev);
3419 /* Act only if the actual netxen is the target */
3420 if (orig_dev == dev)
3421 netxen_config_master(dev, event);
3422 netxen_config_indev_addr(adapter, orig_dev, event);
3430 netxen_inetaddr_event(struct notifier_block *this,
3431 unsigned long event, void *ptr)
3433 struct netxen_adapter *adapter;
3434 struct net_device *dev, *slave;
3435 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3436 unsigned long ip_event;
3438 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3439 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3444 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3445 dev = vlan_dev_real_dev(dev);
3448 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3449 /* If this is a bonding device, look for netxen-based slaves*/
3450 if (netif_is_bond_master(dev)) {
3452 for_each_netdev_in_bond_rcu(dev, slave) {
3453 if (!netxen_config_checkdev(slave))
3455 adapter = netdev_priv(slave);
3456 netxen_list_config_ip(adapter, ifa, ip_event);
3460 if (!netxen_config_checkdev(dev))
3462 adapter = netdev_priv(dev);
3463 netxen_list_config_ip(adapter, ifa, ip_event);
3470 static struct notifier_block netxen_netdev_cb = {
3471 .notifier_call = netxen_netdev_event,
3474 static struct notifier_block netxen_inetaddr_cb = {
3475 .notifier_call = netxen_inetaddr_event,
3479 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3482 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3486 static const struct pci_error_handlers netxen_err_handler = {
3487 .error_detected = netxen_io_error_detected,
3488 .slot_reset = netxen_io_slot_reset,
3489 .resume = netxen_io_resume,
3492 static struct pci_driver netxen_driver = {
3493 .name = netxen_nic_driver_name,
3494 .id_table = netxen_pci_tbl,
3495 .probe = netxen_nic_probe,
3496 .remove = netxen_nic_remove,
3498 .suspend = netxen_nic_suspend,
3499 .resume = netxen_nic_resume,
3501 .shutdown = netxen_nic_shutdown,
3502 .err_handler = &netxen_err_handler
3505 static int __init netxen_init_module(void)
3507 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3510 register_netdevice_notifier(&netxen_netdev_cb);
3511 register_inetaddr_notifier(&netxen_inetaddr_cb);
3513 return pci_register_driver(&netxen_driver);
3516 module_init(netxen_init_module);
3518 static void __exit netxen_exit_module(void)
3520 pci_unregister_driver(&netxen_driver);
3523 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3524 unregister_netdevice_notifier(&netxen_netdev_cb);
3528 module_exit(netxen_exit_module);