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 #ifdef CONFIG_PCIEAER
1419 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1421 struct pci_dev *pdev = adapter->pdev;
1422 struct pci_dev *root = pdev->bus->self;
1429 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1430 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1433 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1436 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1440 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1445 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1447 struct net_device *netdev = NULL;
1448 struct netxen_adapter *adapter = NULL;
1450 int pci_func_id = PCI_FUNC(pdev->devfn);
1451 uint8_t revision_id;
1454 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1455 pr_warning("%s: chip revisions between 0x%x-0x%x "
1456 "will not be enabled.\n",
1457 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1461 if ((err = pci_enable_device(pdev)))
1464 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1466 goto err_out_disable_pdev;
1469 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1470 goto err_out_disable_pdev;
1472 if (NX_IS_REVISION_P3(pdev->revision))
1473 pci_enable_pcie_error_reporting(pdev);
1475 pci_set_master(pdev);
1477 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1480 goto err_out_free_res;
1483 SET_NETDEV_DEV(netdev, &pdev->dev);
1485 adapter = netdev_priv(netdev);
1486 adapter->netdev = netdev;
1487 adapter->pdev = pdev;
1488 adapter->ahw.pci_func = pci_func_id;
1490 revision_id = pdev->revision;
1491 adapter->ahw.revision_id = revision_id;
1493 rwlock_init(&adapter->ahw.crb_lock);
1494 spin_lock_init(&adapter->ahw.mem_lock);
1496 spin_lock_init(&adapter->tx_clean_lock);
1497 INIT_LIST_HEAD(&adapter->mac_list);
1498 INIT_LIST_HEAD(&adapter->ip_list);
1500 err = netxen_setup_pci_map(adapter);
1502 goto err_out_free_netdev;
1504 /* This will be reset for mezz cards */
1505 adapter->portnum = pci_func_id;
1507 err = netxen_nic_get_board_info(adapter);
1509 dev_err(&pdev->dev, "Error getting board config info.\n");
1510 goto err_out_iounmap;
1513 #ifdef CONFIG_PCIEAER
1514 netxen_mask_aer_correctable(adapter);
1517 /* Mezz cards have PCI function 0,2,3 enabled */
1518 switch (adapter->ahw.board_type) {
1519 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1520 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1521 if (pci_func_id >= 2)
1522 adapter->portnum = pci_func_id - 2;
1528 err = netxen_check_flash_fw_compatibility(adapter);
1530 goto err_out_iounmap;
1532 if (adapter->portnum == 0) {
1533 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1534 if (val != 0xffffffff && val != 0) {
1535 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1536 adapter->need_fw_reset = 1;
1540 err = netxen_start_firmware(adapter);
1542 goto err_out_decr_ref;
1545 * See if the firmware gave us a virtual-physical port mapping.
1547 adapter->physical_port = adapter->portnum;
1548 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1549 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1550 if (i != 0x55555555)
1551 adapter->physical_port = i;
1554 netxen_nic_clear_stats(adapter);
1556 err = netxen_setup_intr(adapter);
1559 dev_err(&adapter->pdev->dev,
1560 "Failed to setup interrupts, error = %d\n", err);
1561 goto err_out_disable_msi;
1564 err = netxen_setup_netdev(adapter, netdev);
1566 goto err_out_disable_msi;
1568 pci_set_drvdata(pdev, adapter);
1570 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1572 switch (adapter->ahw.port_type) {
1573 case NETXEN_NIC_GBE:
1574 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1575 adapter->netdev->name);
1577 case NETXEN_NIC_XGBE:
1578 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1579 adapter->netdev->name);
1583 netxen_create_diag_entries(adapter);
1587 err_out_disable_msi:
1588 netxen_teardown_intr(adapter);
1590 netxen_free_dummy_dma(adapter);
1593 nx_decr_dev_ref_cnt(adapter);
1596 netxen_cleanup_pci_map(adapter);
1598 err_out_free_netdev:
1599 free_netdev(netdev);
1602 pci_release_regions(pdev);
1604 err_out_disable_pdev:
1605 pci_set_drvdata(pdev, NULL);
1606 pci_disable_device(pdev);
1611 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1613 kfree(adapter->mdump.md_template);
1614 adapter->mdump.md_template = NULL;
1616 if (adapter->mdump.md_capture_buff) {
1617 vfree(adapter->mdump.md_capture_buff);
1618 adapter->mdump.md_capture_buff = NULL;
1622 static void netxen_nic_remove(struct pci_dev *pdev)
1624 struct netxen_adapter *adapter;
1625 struct net_device *netdev;
1627 adapter = pci_get_drvdata(pdev);
1628 if (adapter == NULL)
1631 netdev = adapter->netdev;
1633 netxen_cancel_fw_work(adapter);
1635 unregister_netdev(netdev);
1637 cancel_work_sync(&adapter->tx_timeout_task);
1639 netxen_free_ip_list(adapter, false);
1640 netxen_nic_detach(adapter);
1642 nx_decr_dev_ref_cnt(adapter);
1644 if (adapter->portnum == 0)
1645 netxen_free_dummy_dma(adapter);
1647 clear_bit(__NX_RESETTING, &adapter->state);
1649 netxen_teardown_intr(adapter);
1650 netxen_set_interrupt_mode(adapter, 0);
1651 netxen_remove_diag_entries(adapter);
1653 netxen_cleanup_pci_map(adapter);
1655 netxen_release_firmware(adapter);
1657 if (NX_IS_REVISION_P3(pdev->revision)) {
1658 netxen_cleanup_minidump(adapter);
1659 pci_disable_pcie_error_reporting(pdev);
1662 pci_release_regions(pdev);
1663 pci_disable_device(pdev);
1664 pci_set_drvdata(pdev, NULL);
1666 free_netdev(netdev);
1669 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1671 struct net_device *netdev = adapter->netdev;
1673 netif_device_detach(netdev);
1675 netxen_cancel_fw_work(adapter);
1677 if (netif_running(netdev))
1678 netxen_nic_down(adapter, netdev);
1680 cancel_work_sync(&adapter->tx_timeout_task);
1682 netxen_nic_detach(adapter);
1684 if (adapter->portnum == 0)
1685 netxen_free_dummy_dma(adapter);
1687 nx_decr_dev_ref_cnt(adapter);
1689 clear_bit(__NX_RESETTING, &adapter->state);
1692 static int netxen_nic_attach_func(struct pci_dev *pdev)
1694 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1695 struct net_device *netdev = adapter->netdev;
1698 err = pci_enable_device(pdev);
1702 pci_set_power_state(pdev, PCI_D0);
1703 pci_set_master(pdev);
1704 pci_restore_state(pdev);
1706 adapter->ahw.crb_win = -1;
1707 adapter->ahw.ocm_win = -1;
1709 err = netxen_start_firmware(adapter);
1711 dev_err(&pdev->dev, "failed to start firmware\n");
1715 if (netif_running(netdev)) {
1716 err = netxen_nic_attach(adapter);
1720 err = netxen_nic_up(adapter, netdev);
1722 goto err_out_detach;
1724 netxen_restore_indev_addr(netdev, NETDEV_UP);
1727 netif_device_attach(netdev);
1728 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1732 netxen_nic_detach(adapter);
1734 nx_decr_dev_ref_cnt(adapter);
1738 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1739 pci_channel_state_t state)
1741 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1743 if (state == pci_channel_io_perm_failure)
1744 return PCI_ERS_RESULT_DISCONNECT;
1746 if (nx_dev_request_aer(adapter))
1747 return PCI_ERS_RESULT_RECOVERED;
1749 netxen_nic_detach_func(adapter);
1751 pci_disable_device(pdev);
1753 return PCI_ERS_RESULT_NEED_RESET;
1756 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1760 err = netxen_nic_attach_func(pdev);
1762 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1765 static void netxen_io_resume(struct pci_dev *pdev)
1767 pci_cleanup_aer_uncorrect_error_status(pdev);
1770 static void netxen_nic_shutdown(struct pci_dev *pdev)
1772 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1774 netxen_nic_detach_func(adapter);
1776 if (pci_save_state(pdev))
1779 if (netxen_nic_wol_supported(adapter)) {
1780 pci_enable_wake(pdev, PCI_D3cold, 1);
1781 pci_enable_wake(pdev, PCI_D3hot, 1);
1784 pci_disable_device(pdev);
1789 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1791 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1794 netxen_nic_detach_func(adapter);
1796 retval = pci_save_state(pdev);
1800 if (netxen_nic_wol_supported(adapter)) {
1801 pci_enable_wake(pdev, PCI_D3cold, 1);
1802 pci_enable_wake(pdev, PCI_D3hot, 1);
1805 pci_disable_device(pdev);
1806 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1812 netxen_nic_resume(struct pci_dev *pdev)
1814 return netxen_nic_attach_func(pdev);
1818 static int netxen_nic_open(struct net_device *netdev)
1820 struct netxen_adapter *adapter = netdev_priv(netdev);
1823 if (adapter->driver_mismatch)
1826 err = netxen_nic_attach(adapter);
1830 err = __netxen_nic_up(adapter, netdev);
1834 netif_start_queue(netdev);
1839 netxen_nic_detach(adapter);
1844 * netxen_nic_close - Disables a network interface entry point
1846 static int netxen_nic_close(struct net_device *netdev)
1848 struct netxen_adapter *adapter = netdev_priv(netdev);
1850 __netxen_nic_down(adapter, netdev);
1855 netxen_tso_check(struct net_device *netdev,
1856 struct nx_host_tx_ring *tx_ring,
1857 struct cmd_desc_type0 *first_desc,
1858 struct sk_buff *skb)
1860 u8 opcode = TX_ETHER_PKT;
1861 __be16 protocol = skb->protocol;
1862 u16 flags = 0, vid = 0;
1864 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1865 struct cmd_desc_type0 *hwdesc;
1866 struct vlan_ethhdr *vh;
1868 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1870 vh = (struct vlan_ethhdr *)skb->data;
1871 protocol = vh->h_vlan_encapsulated_proto;
1872 flags = FLAGS_VLAN_TAGGED;
1874 } else if (vlan_tx_tag_present(skb)) {
1875 flags = FLAGS_VLAN_OOB;
1876 vid = vlan_tx_tag_get(skb);
1877 netxen_set_tx_vlan_tci(first_desc, vid);
1881 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1882 skb_shinfo(skb)->gso_size > 0) {
1884 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1886 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1887 first_desc->total_hdr_length = hdr_len;
1889 first_desc->total_hdr_length += VLAN_HLEN;
1890 first_desc->tcp_hdr_offset = VLAN_HLEN;
1891 first_desc->ip_hdr_offset = VLAN_HLEN;
1892 /* Only in case of TSO on vlan device */
1893 flags |= FLAGS_VLAN_TAGGED;
1896 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1897 TX_TCP_LSO6 : TX_TCP_LSO;
1900 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1903 if (protocol == cpu_to_be16(ETH_P_IP)) {
1904 l4proto = ip_hdr(skb)->protocol;
1906 if (l4proto == IPPROTO_TCP)
1907 opcode = TX_TCP_PKT;
1908 else if(l4proto == IPPROTO_UDP)
1909 opcode = TX_UDP_PKT;
1910 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1911 l4proto = ipv6_hdr(skb)->nexthdr;
1913 if (l4proto == IPPROTO_TCP)
1914 opcode = TX_TCPV6_PKT;
1915 else if(l4proto == IPPROTO_UDP)
1916 opcode = TX_UDPV6_PKT;
1920 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1921 first_desc->ip_hdr_offset += skb_network_offset(skb);
1922 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1927 /* For LSO, we need to copy the MAC/IP/TCP headers into
1928 * the descriptor ring
1930 producer = tx_ring->producer;
1935 /* Create a TSO vlan header template for firmware */
1937 hwdesc = &tx_ring->desc_head[producer];
1938 tx_ring->cmd_buf_arr[producer].skb = NULL;
1940 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1941 hdr_len + VLAN_HLEN);
1943 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1944 skb_copy_from_linear_data(skb, vh, 12);
1945 vh->h_vlan_proto = htons(ETH_P_8021Q);
1946 vh->h_vlan_TCI = htons(vid);
1947 skb_copy_from_linear_data_offset(skb, 12,
1948 (char *)vh + 16, copy_len - 16);
1950 copied = copy_len - VLAN_HLEN;
1953 producer = get_next_index(producer, tx_ring->num_desc);
1956 while (copied < hdr_len) {
1958 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1959 (hdr_len - copied));
1961 hwdesc = &tx_ring->desc_head[producer];
1962 tx_ring->cmd_buf_arr[producer].skb = NULL;
1964 skb_copy_from_linear_data_offset(skb, copied,
1965 (char *)hwdesc + offset, copy_len);
1970 producer = get_next_index(producer, tx_ring->num_desc);
1973 tx_ring->producer = producer;
1978 netxen_map_tx_skb(struct pci_dev *pdev,
1979 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1981 struct netxen_skb_frag *nf;
1982 struct skb_frag_struct *frag;
1986 nr_frags = skb_shinfo(skb)->nr_frags;
1987 nf = &pbuf->frag_array[0];
1989 map = pci_map_single(pdev, skb->data,
1990 skb_headlen(skb), PCI_DMA_TODEVICE);
1991 if (pci_dma_mapping_error(pdev, map))
1995 nf->length = skb_headlen(skb);
1997 for (i = 0; i < nr_frags; i++) {
1998 frag = &skb_shinfo(skb)->frags[i];
1999 nf = &pbuf->frag_array[i+1];
2001 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2003 if (dma_mapping_error(&pdev->dev, map))
2007 nf->length = skb_frag_size(frag);
2014 nf = &pbuf->frag_array[i+1];
2015 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2019 nf = &pbuf->frag_array[0];
2020 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2028 netxen_clear_cmddesc(u64 *desc)
2035 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2037 struct netxen_adapter *adapter = netdev_priv(netdev);
2038 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2039 struct netxen_cmd_buffer *pbuf;
2040 struct netxen_skb_frag *buffrag;
2041 struct cmd_desc_type0 *hwdesc, *first_desc;
2042 struct pci_dev *pdev;
2045 struct skb_frag_struct *frag;
2048 int frag_count, no_of_desc;
2049 u32 num_txd = tx_ring->num_desc;
2051 frag_count = skb_shinfo(skb)->nr_frags + 1;
2053 /* 14 frags supported for normal packet and
2054 * 32 frags supported for TSO packet
2056 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2058 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2059 frag = &skb_shinfo(skb)->frags[i];
2060 delta += skb_frag_size(frag);
2063 if (!__pskb_pull_tail(skb, delta))
2066 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2068 /* 4 fragments per cmd des */
2069 no_of_desc = (frag_count + 3) >> 2;
2071 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2072 netif_stop_queue(netdev);
2074 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2075 netif_start_queue(netdev);
2077 return NETDEV_TX_BUSY;
2080 producer = tx_ring->producer;
2081 pbuf = &tx_ring->cmd_buf_arr[producer];
2083 pdev = adapter->pdev;
2085 if (netxen_map_tx_skb(pdev, skb, pbuf))
2089 pbuf->frag_count = frag_count;
2091 first_desc = hwdesc = &tx_ring->desc_head[producer];
2092 netxen_clear_cmddesc((u64 *)hwdesc);
2094 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2095 netxen_set_tx_port(first_desc, adapter->portnum);
2097 for (i = 0; i < frag_count; i++) {
2101 if ((k == 0) && (i > 0)) {
2102 /* move to next desc.*/
2103 producer = get_next_index(producer, num_txd);
2104 hwdesc = &tx_ring->desc_head[producer];
2105 netxen_clear_cmddesc((u64 *)hwdesc);
2106 tx_ring->cmd_buf_arr[producer].skb = NULL;
2109 buffrag = &pbuf->frag_array[i];
2111 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2114 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2117 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2120 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2123 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2128 tx_ring->producer = get_next_index(producer, num_txd);
2130 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2132 adapter->stats.txbytes += skb->len;
2133 adapter->stats.xmitcalled++;
2135 netxen_nic_update_cmd_producer(adapter, tx_ring);
2137 return NETDEV_TX_OK;
2140 adapter->stats.txdropped++;
2141 dev_kfree_skb_any(skb);
2142 return NETDEV_TX_OK;
2145 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2147 struct net_device *netdev = adapter->netdev;
2148 uint32_t temp, temp_state, temp_val;
2151 temp = NXRD32(adapter, CRB_TEMP_STATE);
2153 temp_state = nx_get_temp_state(temp);
2154 temp_val = nx_get_temp_val(temp);
2156 if (temp_state == NX_TEMP_PANIC) {
2158 "%s: Device temperature %d degrees C exceeds"
2159 " maximum allowed. Hardware has been shut down.\n",
2160 netdev->name, temp_val);
2162 } else if (temp_state == NX_TEMP_WARN) {
2163 if (adapter->temp == NX_TEMP_NORMAL) {
2165 "%s: Device temperature %d degrees C "
2166 "exceeds operating range."
2167 " Immediate action needed.\n",
2168 netdev->name, temp_val);
2171 if (adapter->temp == NX_TEMP_WARN) {
2173 "%s: Device temperature is now %d degrees C"
2174 " in normal range.\n", netdev->name,
2178 adapter->temp = temp_state;
2182 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2184 struct net_device *netdev = adapter->netdev;
2186 if (adapter->ahw.linkup && !linkup) {
2187 printk(KERN_INFO "%s: %s NIC Link is down\n",
2188 netxen_nic_driver_name, netdev->name);
2189 adapter->ahw.linkup = 0;
2190 if (netif_running(netdev)) {
2191 netif_carrier_off(netdev);
2192 netif_stop_queue(netdev);
2194 adapter->link_changed = !adapter->has_link_events;
2195 } else if (!adapter->ahw.linkup && linkup) {
2196 printk(KERN_INFO "%s: %s NIC Link is up\n",
2197 netxen_nic_driver_name, netdev->name);
2198 adapter->ahw.linkup = 1;
2199 if (netif_running(netdev)) {
2200 netif_carrier_on(netdev);
2201 netif_wake_queue(netdev);
2203 adapter->link_changed = !adapter->has_link_events;
2207 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2209 u32 val, port, linkup;
2211 port = adapter->physical_port;
2213 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2214 val = NXRD32(adapter, CRB_XG_STATE_P3);
2215 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2216 linkup = (val == XG_LINK_UP_P3);
2218 val = NXRD32(adapter, CRB_XG_STATE);
2219 val = (val >> port*8) & 0xff;
2220 linkup = (val == XG_LINK_UP);
2223 netxen_advert_link_change(adapter, linkup);
2226 static void netxen_tx_timeout(struct net_device *netdev)
2228 struct netxen_adapter *adapter = netdev_priv(netdev);
2230 if (test_bit(__NX_RESETTING, &adapter->state))
2233 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2234 schedule_work(&adapter->tx_timeout_task);
2237 static void netxen_tx_timeout_task(struct work_struct *work)
2239 struct netxen_adapter *adapter =
2240 container_of(work, struct netxen_adapter, tx_timeout_task);
2242 if (!netif_running(adapter->netdev))
2245 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2248 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2252 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2253 /* try to scrub interrupt */
2254 netxen_napi_disable(adapter);
2256 netxen_napi_enable(adapter);
2258 netif_wake_queue(adapter->netdev);
2260 clear_bit(__NX_RESETTING, &adapter->state);
2262 clear_bit(__NX_RESETTING, &adapter->state);
2263 if (netxen_nic_reset_context(adapter)) {
2268 adapter->netdev->trans_start = jiffies;
2273 adapter->need_fw_reset = 1;
2274 clear_bit(__NX_RESETTING, &adapter->state);
2277 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2278 struct rtnl_link_stats64 *stats)
2280 struct netxen_adapter *adapter = netdev_priv(netdev);
2282 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2283 stats->tx_packets = adapter->stats.xmitfinished;
2284 stats->rx_bytes = adapter->stats.rxbytes;
2285 stats->tx_bytes = adapter->stats.txbytes;
2286 stats->rx_dropped = adapter->stats.rxdropped;
2287 stats->tx_dropped = adapter->stats.txdropped;
2292 static irqreturn_t netxen_intr(int irq, void *data)
2294 struct nx_host_sds_ring *sds_ring = data;
2295 struct netxen_adapter *adapter = sds_ring->adapter;
2298 status = readl(adapter->isr_int_vec);
2300 if (!(status & adapter->int_vec_bit))
2303 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2304 /* check interrupt state machine, to be sure */
2305 status = readl(adapter->crb_int_state_reg);
2306 if (!ISR_LEGACY_INT_TRIGGERED(status))
2310 unsigned long our_int = 0;
2312 our_int = readl(adapter->crb_int_state_reg);
2314 /* not our interrupt */
2315 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2318 /* claim interrupt */
2319 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2321 /* clear interrupt */
2322 netxen_nic_disable_int(sds_ring);
2325 writel(0xffffffff, adapter->tgt_status_reg);
2326 /* read twice to ensure write is flushed */
2327 readl(adapter->isr_int_vec);
2328 readl(adapter->isr_int_vec);
2330 napi_schedule(&sds_ring->napi);
2335 static irqreturn_t netxen_msi_intr(int irq, void *data)
2337 struct nx_host_sds_ring *sds_ring = data;
2338 struct netxen_adapter *adapter = sds_ring->adapter;
2340 /* clear interrupt */
2341 writel(0xffffffff, adapter->tgt_status_reg);
2343 napi_schedule(&sds_ring->napi);
2347 static irqreturn_t netxen_msix_intr(int irq, void *data)
2349 struct nx_host_sds_ring *sds_ring = data;
2351 napi_schedule(&sds_ring->napi);
2355 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2357 struct nx_host_sds_ring *sds_ring =
2358 container_of(napi, struct nx_host_sds_ring, napi);
2360 struct netxen_adapter *adapter = sds_ring->adapter;
2365 tx_complete = netxen_process_cmd_ring(adapter);
2367 work_done = netxen_process_rcv_ring(sds_ring, budget);
2369 if ((work_done < budget) && tx_complete) {
2370 napi_complete(&sds_ring->napi);
2371 if (test_bit(__NX_DEV_UP, &adapter->state))
2372 netxen_nic_enable_int(sds_ring);
2378 #ifdef CONFIG_NET_POLL_CONTROLLER
2379 static void netxen_nic_poll_controller(struct net_device *netdev)
2382 struct nx_host_sds_ring *sds_ring;
2383 struct netxen_adapter *adapter = netdev_priv(netdev);
2384 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2386 disable_irq(adapter->irq);
2387 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2388 sds_ring = &recv_ctx->sds_rings[ring];
2389 netxen_intr(adapter->irq, sds_ring);
2391 enable_irq(adapter->irq);
2396 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2399 if (netxen_api_lock(adapter))
2402 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2404 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2406 netxen_api_unlock(adapter);
2411 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2414 if (netxen_api_lock(adapter))
2417 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2418 WARN_ON(count == 0);
2420 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2421 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2423 if (count == 0 && state != NX_DEV_FAILED)
2424 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2426 netxen_api_unlock(adapter);
2431 nx_dev_request_aer(struct netxen_adapter *adapter)
2436 if (netxen_api_lock(adapter))
2439 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2441 if (state == NX_DEV_NEED_AER)
2443 else if (state == NX_DEV_READY) {
2444 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2448 netxen_api_unlock(adapter);
2453 nx_dev_request_reset(struct netxen_adapter *adapter)
2458 if (netxen_api_lock(adapter))
2461 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2463 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2465 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2466 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2467 adapter->flags |= NETXEN_FW_RESET_OWNER;
2471 netxen_api_unlock(adapter);
2477 netxen_can_start_firmware(struct netxen_adapter *adapter)
2482 if (netxen_api_lock(adapter)) {
2483 nx_incr_dev_ref_cnt(adapter);
2487 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2489 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2494 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2497 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2499 netxen_api_unlock(adapter);
2505 netxen_schedule_work(struct netxen_adapter *adapter,
2506 work_func_t func, int delay)
2508 INIT_DELAYED_WORK(&adapter->fw_work, func);
2509 schedule_delayed_work(&adapter->fw_work, delay);
2513 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2515 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2518 cancel_delayed_work_sync(&adapter->fw_work);
2522 netxen_attach_work(struct work_struct *work)
2524 struct netxen_adapter *adapter = container_of(work,
2525 struct netxen_adapter, fw_work.work);
2526 struct net_device *netdev = adapter->netdev;
2529 if (netif_running(netdev)) {
2530 err = netxen_nic_attach(adapter);
2534 err = netxen_nic_up(adapter, netdev);
2536 netxen_nic_detach(adapter);
2540 netxen_restore_indev_addr(netdev, NETDEV_UP);
2543 netif_device_attach(netdev);
2546 adapter->fw_fail_cnt = 0;
2547 clear_bit(__NX_RESETTING, &adapter->state);
2548 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2552 netxen_fwinit_work(struct work_struct *work)
2554 struct netxen_adapter *adapter = container_of(work,
2555 struct netxen_adapter, fw_work.work);
2558 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2559 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2560 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2561 WARN_ON(count == 0);
2563 if (adapter->mdump.md_enabled) {
2565 netxen_dump_fw(adapter);
2568 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2569 if (netxen_api_lock(adapter)) {
2570 clear_bit(__NX_RESETTING, &adapter->state);
2571 NXWR32(adapter, NX_CRB_DEV_STATE,
2575 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2576 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2577 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2578 dev_state = NX_DEV_COLD;
2579 netxen_api_unlock(adapter);
2583 switch (dev_state) {
2586 if (!netxen_start_firmware(adapter)) {
2587 netxen_schedule_work(adapter, netxen_attach_work, 0);
2592 case NX_DEV_NEED_RESET:
2593 case NX_DEV_INITALIZING:
2594 netxen_schedule_work(adapter,
2595 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2600 nx_incr_dev_ref_cnt(adapter);
2604 if (netxen_api_lock(adapter)) {
2605 clear_bit(__NX_RESETTING, &adapter->state);
2608 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2609 netxen_api_unlock(adapter);
2610 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2611 adapter->netdev->name);
2613 clear_bit(__NX_RESETTING, &adapter->state);
2617 netxen_detach_work(struct work_struct *work)
2619 struct netxen_adapter *adapter = container_of(work,
2620 struct netxen_adapter, fw_work.work);
2621 struct net_device *netdev = adapter->netdev;
2622 int ref_cnt = 0, delay;
2625 netif_device_detach(netdev);
2627 netxen_nic_down(adapter, netdev);
2630 netxen_nic_detach(adapter);
2633 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2635 if (status & NX_RCODE_FATAL_ERROR)
2638 if (adapter->temp == NX_TEMP_PANIC)
2641 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2642 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2644 if (ref_cnt == -EIO)
2647 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2649 adapter->fw_wait_cnt = 0;
2650 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2655 clear_bit(__NX_RESETTING, &adapter->state);
2659 netxen_check_health(struct netxen_adapter *adapter)
2661 u32 state, heartbit;
2663 struct net_device *netdev = adapter->netdev;
2665 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2666 if (state == NX_DEV_NEED_AER)
2669 if (netxen_nic_check_temp(adapter))
2672 if (adapter->need_fw_reset) {
2673 if (nx_dev_request_reset(adapter))
2678 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2679 * 1. Tx timeout 2. Fw hang
2680 * Send request to destroy context in case of tx timeout only
2681 * and doesn't required in case of Fw hang
2683 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2684 adapter->need_fw_reset = 1;
2685 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2689 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2692 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2693 if (heartbit != adapter->heartbit) {
2694 adapter->heartbit = heartbit;
2695 adapter->fw_fail_cnt = 0;
2696 if (adapter->need_fw_reset)
2701 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2704 if (nx_dev_request_reset(adapter))
2707 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2709 dev_err(&netdev->dev, "firmware hang detected\n");
2710 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2711 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2712 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2713 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2714 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2715 "PEG_NET_4_PC: 0x%x\n",
2717 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2718 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2719 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2720 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2721 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2722 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2723 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2724 dev_err(&adapter->pdev->dev,
2725 "Firmware aborted with error code 0x00006700. "
2726 "Device is being reset.\n");
2728 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2729 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2730 netxen_schedule_work(adapter, netxen_detach_work, 0);
2735 netxen_fw_poll_work(struct work_struct *work)
2737 struct netxen_adapter *adapter = container_of(work,
2738 struct netxen_adapter, fw_work.work);
2740 if (test_bit(__NX_RESETTING, &adapter->state))
2743 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2744 if (!adapter->has_link_events) {
2746 netxen_nic_handle_phy_intr(adapter);
2748 if (adapter->link_changed)
2749 netxen_nic_set_link_parameters(adapter);
2753 if (netxen_check_health(adapter))
2757 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2761 netxen_store_bridged_mode(struct device *dev,
2762 struct device_attribute *attr, const char *buf, size_t len)
2764 struct net_device *net = to_net_dev(dev);
2765 struct netxen_adapter *adapter = netdev_priv(net);
2769 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2772 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2775 if (kstrtoul(buf, 2, &new))
2778 if (!netxen_config_bridged_mode(adapter, !!new))
2786 netxen_show_bridged_mode(struct device *dev,
2787 struct device_attribute *attr, char *buf)
2789 struct net_device *net = to_net_dev(dev);
2790 struct netxen_adapter *adapter;
2791 int bridged_mode = 0;
2793 adapter = netdev_priv(net);
2795 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2796 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2798 return sprintf(buf, "%d\n", bridged_mode);
2801 static struct device_attribute dev_attr_bridged_mode = {
2802 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2803 .show = netxen_show_bridged_mode,
2804 .store = netxen_store_bridged_mode,
2808 netxen_store_diag_mode(struct device *dev,
2809 struct device_attribute *attr, const char *buf, size_t len)
2811 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2814 if (kstrtoul(buf, 2, &new))
2817 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2818 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2824 netxen_show_diag_mode(struct device *dev,
2825 struct device_attribute *attr, char *buf)
2827 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2829 return sprintf(buf, "%d\n",
2830 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2833 static struct device_attribute dev_attr_diag_mode = {
2834 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2835 .show = netxen_show_diag_mode,
2836 .store = netxen_store_diag_mode,
2840 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2841 loff_t offset, size_t size)
2843 size_t crb_size = 4;
2845 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2848 if (offset < NETXEN_PCI_CRBSPACE) {
2849 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2852 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2853 NETXEN_PCI_CAMQM_2M_END))
2859 if ((size != crb_size) || (offset & (crb_size-1)))
2866 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2867 struct bin_attribute *attr,
2868 char *buf, loff_t offset, size_t size)
2870 struct device *dev = container_of(kobj, struct device, kobj);
2871 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2876 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2880 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2881 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2882 NETXEN_PCI_CAMQM_2M_END)) {
2883 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2884 memcpy(buf, &qmdata, size);
2886 data = NXRD32(adapter, offset);
2887 memcpy(buf, &data, size);
2894 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2895 struct bin_attribute *attr,
2896 char *buf, loff_t offset, size_t size)
2898 struct device *dev = container_of(kobj, struct device, kobj);
2899 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2904 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2908 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2909 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2910 NETXEN_PCI_CAMQM_2M_END)) {
2911 memcpy(&qmdata, buf, size);
2912 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2914 memcpy(&data, buf, size);
2915 NXWR32(adapter, offset, data);
2922 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2923 loff_t offset, size_t size)
2925 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2928 if ((size != 8) || (offset & 0x7))
2935 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2936 struct bin_attribute *attr,
2937 char *buf, loff_t offset, size_t size)
2939 struct device *dev = container_of(kobj, struct device, kobj);
2940 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2944 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2948 if (adapter->pci_mem_read(adapter, offset, &data))
2951 memcpy(buf, &data, size);
2956 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2957 struct bin_attribute *attr, char *buf,
2958 loff_t offset, size_t size)
2960 struct device *dev = container_of(kobj, struct device, kobj);
2961 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2965 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2969 memcpy(&data, buf, size);
2971 if (adapter->pci_mem_write(adapter, offset, data))
2978 static struct bin_attribute bin_attr_crb = {
2979 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2981 .read = netxen_sysfs_read_crb,
2982 .write = netxen_sysfs_write_crb,
2985 static struct bin_attribute bin_attr_mem = {
2986 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2988 .read = netxen_sysfs_read_mem,
2989 .write = netxen_sysfs_write_mem,
2993 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
2994 struct bin_attribute *attr,
2995 char *buf, loff_t offset, size_t size)
2997 struct device *dev = container_of(kobj, struct device, kobj);
2998 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2999 struct net_device *netdev = adapter->netdev;
3000 struct netxen_dimm_cfg dimm;
3001 u8 dw, rows, cols, banks, ranks;
3004 if (size != sizeof(struct netxen_dimm_cfg)) {
3005 netdev_err(netdev, "Invalid size\n");
3009 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3010 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3012 /* Checks if DIMM info is valid. */
3013 if (val & NETXEN_DIMM_VALID_FLAG) {
3014 netdev_err(netdev, "Invalid DIMM flag\n");
3015 dimm.presence = 0xff;
3019 rows = NETXEN_DIMM_NUMROWS(val);
3020 cols = NETXEN_DIMM_NUMCOLS(val);
3021 ranks = NETXEN_DIMM_NUMRANKS(val);
3022 banks = NETXEN_DIMM_NUMBANKS(val);
3023 dw = NETXEN_DIMM_DATAWIDTH(val);
3025 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3027 /* Checks if DIMM info is present. */
3028 if (!dimm.presence) {
3029 netdev_err(netdev, "DIMM not present\n");
3033 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3035 switch (dimm.dimm_type) {
3036 case NETXEN_DIMM_TYPE_RDIMM:
3037 case NETXEN_DIMM_TYPE_UDIMM:
3038 case NETXEN_DIMM_TYPE_SO_DIMM:
3039 case NETXEN_DIMM_TYPE_Micro_DIMM:
3040 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3041 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3044 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3048 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3049 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3051 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3053 if (val & NETXEN_DIMM_SIZE) {
3054 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3059 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3064 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3069 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3101 netdev_err(netdev, "Invalid data-width %x\n", dw);
3105 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3106 /* Size returned in MB. */
3107 dimm.size = (dimm.size) / 0x100000;
3109 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3110 return sizeof(struct netxen_dimm_cfg);
3114 static struct bin_attribute bin_attr_dimm = {
3115 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3117 .read = netxen_sysfs_read_dimm,
3122 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3124 struct device *dev = &adapter->pdev->dev;
3126 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3127 /* bridged_mode control */
3128 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3130 "failed to create bridged_mode sysfs entry\n");
3136 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3138 struct device *dev = &adapter->pdev->dev;
3140 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3141 device_remove_file(dev, &dev_attr_bridged_mode);
3145 netxen_create_diag_entries(struct netxen_adapter *adapter)
3147 struct pci_dev *pdev = adapter->pdev;
3151 if (device_create_file(dev, &dev_attr_diag_mode))
3152 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3153 if (device_create_bin_file(dev, &bin_attr_crb))
3154 dev_info(dev, "failed to create crb sysfs entry\n");
3155 if (device_create_bin_file(dev, &bin_attr_mem))
3156 dev_info(dev, "failed to create mem sysfs entry\n");
3157 if (device_create_bin_file(dev, &bin_attr_dimm))
3158 dev_info(dev, "failed to create dimm sysfs entry\n");
3163 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3165 struct pci_dev *pdev = adapter->pdev;
3166 struct device *dev = &pdev->dev;
3168 device_remove_file(dev, &dev_attr_diag_mode);
3169 device_remove_bin_file(dev, &bin_attr_crb);
3170 device_remove_bin_file(dev, &bin_attr_mem);
3171 device_remove_bin_file(dev, &bin_attr_dimm);
3176 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3179 netxen_destip_supported(struct netxen_adapter *adapter)
3181 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3184 if (adapter->ahw.cut_through)
3191 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3193 struct nx_ip_list *cur, *tmp_cur;
3195 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3198 netxen_config_ipaddr(adapter, cur->ip_addr,
3200 list_del(&cur->list);
3204 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3205 list_del(&cur->list);
3212 netxen_list_config_ip(struct netxen_adapter *adapter,
3213 struct in_ifaddr *ifa, unsigned long event)
3215 struct net_device *dev;
3216 struct nx_ip_list *cur, *tmp_cur;
3217 struct list_head *head;
3220 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3227 list_for_each(head, &adapter->ip_list) {
3228 cur = list_entry(head, struct nx_ip_list, list);
3230 if (cur->ip_addr == ifa->ifa_address)
3234 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3237 if (dev->priv_flags & IFF_802_1Q_VLAN)
3238 dev = vlan_dev_real_dev(dev);
3239 cur->master = !!netif_is_bond_master(dev);
3240 cur->ip_addr = ifa->ifa_address;
3241 list_add_tail(&cur->list, &adapter->ip_list);
3242 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3246 list_for_each_entry_safe(cur, tmp_cur,
3247 &adapter->ip_list, list) {
3248 if (cur->ip_addr == ifa->ifa_address) {
3249 list_del(&cur->list);
3251 netxen_config_ipaddr(adapter, ifa->ifa_address,
3263 netxen_config_indev_addr(struct netxen_adapter *adapter,
3264 struct net_device *dev, unsigned long event)
3266 struct in_device *indev;
3268 if (!netxen_destip_supported(adapter))
3271 indev = in_dev_get(dev);
3278 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3281 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3286 } endfor_ifa(indev);
3292 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3295 struct netxen_adapter *adapter = netdev_priv(netdev);
3296 struct nx_ip_list *pos, *tmp_pos;
3297 unsigned long ip_event;
3299 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3300 netxen_config_indev_addr(adapter, netdev, event);
3302 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3303 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3308 netxen_config_checkdev(struct net_device *dev)
3310 struct netxen_adapter *adapter;
3312 if (!is_netxen_netdev(dev))
3314 adapter = netdev_priv(dev);
3317 if (!netxen_destip_supported(adapter))
3319 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3326 * netxen_config_master - configure addresses based on master
3327 * @dev: netxen device
3328 * @event: netdev event
3330 static void netxen_config_master(struct net_device *dev, unsigned long event)
3332 struct net_device *master, *slave;
3333 struct netxen_adapter *adapter = netdev_priv(dev);
3336 master = netdev_master_upper_dev_get_rcu(dev);
3338 * This is the case where the netxen nic is being
3339 * enslaved and is dev_open()ed in bond_enslave()
3340 * Now we should program the bond's (and its vlans')
3341 * addresses in the netxen NIC.
3343 if (master && netif_is_bond_master(master) &&
3344 !netif_is_bond_slave(dev)) {
3345 netxen_config_indev_addr(adapter, master, event);
3346 for_each_netdev_rcu(&init_net, slave)
3347 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3348 vlan_dev_real_dev(slave) == master)
3349 netxen_config_indev_addr(adapter, slave, event);
3353 * This is the case where the netxen nic is being
3354 * released and is dev_close()ed in bond_release()
3355 * just before IFF_BONDING is stripped.
3357 if (!master && dev->priv_flags & IFF_BONDING)
3358 netxen_free_ip_list(adapter, true);
3361 static int netxen_netdev_event(struct notifier_block *this,
3362 unsigned long event, void *ptr)
3364 struct netxen_adapter *adapter;
3365 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3366 struct net_device *orig_dev = dev;
3367 struct net_device *slave;
3373 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3374 dev = vlan_dev_real_dev(dev);
3377 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3378 /* If this is a bonding device, look for netxen-based slaves*/
3379 if (netif_is_bond_master(dev)) {
3381 for_each_netdev_in_bond_rcu(dev, slave) {
3382 if (!netxen_config_checkdev(slave))
3384 adapter = netdev_priv(slave);
3385 netxen_config_indev_addr(adapter,
3390 if (!netxen_config_checkdev(dev))
3392 adapter = netdev_priv(dev);
3393 /* Act only if the actual netxen is the target */
3394 if (orig_dev == dev)
3395 netxen_config_master(dev, event);
3396 netxen_config_indev_addr(adapter, orig_dev, event);
3404 netxen_inetaddr_event(struct notifier_block *this,
3405 unsigned long event, void *ptr)
3407 struct netxen_adapter *adapter;
3408 struct net_device *dev, *slave;
3409 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3410 unsigned long ip_event;
3412 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3413 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3418 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3419 dev = vlan_dev_real_dev(dev);
3422 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3423 /* If this is a bonding device, look for netxen-based slaves*/
3424 if (netif_is_bond_master(dev)) {
3426 for_each_netdev_in_bond_rcu(dev, slave) {
3427 if (!netxen_config_checkdev(slave))
3429 adapter = netdev_priv(slave);
3430 netxen_list_config_ip(adapter, ifa, ip_event);
3434 if (!netxen_config_checkdev(dev))
3436 adapter = netdev_priv(dev);
3437 netxen_list_config_ip(adapter, ifa, ip_event);
3444 static struct notifier_block netxen_netdev_cb = {
3445 .notifier_call = netxen_netdev_event,
3448 static struct notifier_block netxen_inetaddr_cb = {
3449 .notifier_call = netxen_inetaddr_event,
3453 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3456 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3460 static const struct pci_error_handlers netxen_err_handler = {
3461 .error_detected = netxen_io_error_detected,
3462 .slot_reset = netxen_io_slot_reset,
3463 .resume = netxen_io_resume,
3466 static struct pci_driver netxen_driver = {
3467 .name = netxen_nic_driver_name,
3468 .id_table = netxen_pci_tbl,
3469 .probe = netxen_nic_probe,
3470 .remove = netxen_nic_remove,
3472 .suspend = netxen_nic_suspend,
3473 .resume = netxen_nic_resume,
3475 .shutdown = netxen_nic_shutdown,
3476 .err_handler = &netxen_err_handler
3479 static int __init netxen_init_module(void)
3481 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3484 register_netdevice_notifier(&netxen_netdev_cb);
3485 register_inetaddr_notifier(&netxen_inetaddr_cb);
3487 return pci_register_driver(&netxen_driver);
3490 module_init(netxen_init_module);
3492 static void __exit netxen_exit_module(void)
3494 pci_unregister_driver(&netxen_driver);
3497 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3498 unregister_netdevice_notifier(&netxen_netdev_cb);
3502 module_exit(netxen_exit_module);