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, NETXEN_NETDEV_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)
464 pos = pci_find_capability(pdev, PCI_CAP_ID_MSIX);
466 pci_read_config_dword(pdev, pos, &control);
468 control |= PCI_MSIX_FLAGS_ENABLE;
471 pci_write_config_dword(pdev, pos, control);
475 static void netxen_init_msix_entries(struct netxen_adapter *adapter, int count)
479 for (i = 0; i < count; i++)
480 adapter->msix_entries[i].entry = i;
484 netxen_read_mac_addr(struct netxen_adapter *adapter)
489 struct net_device *netdev = adapter->netdev;
490 struct pci_dev *pdev = adapter->pdev;
492 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
493 if (netxen_p3_get_mac_addr(adapter, &mac_addr) != 0)
496 if (netxen_get_flash_mac_addr(adapter, &mac_addr) != 0)
500 p = (unsigned char *)&mac_addr;
501 for (i = 0; i < 6; i++)
502 netdev->dev_addr[i] = *(p + 5 - i);
504 memcpy(adapter->mac_addr, netdev->dev_addr, netdev->addr_len);
506 /* set station address */
508 if (!is_valid_ether_addr(netdev->dev_addr))
509 dev_warn(&pdev->dev, "Bad MAC address %pM.\n", netdev->dev_addr);
514 static int netxen_nic_set_mac(struct net_device *netdev, void *p)
516 struct netxen_adapter *adapter = netdev_priv(netdev);
517 struct sockaddr *addr = p;
519 if (!is_valid_ether_addr(addr->sa_data))
520 return -EADDRNOTAVAIL;
522 if (netif_running(netdev)) {
523 netif_device_detach(netdev);
524 netxen_napi_disable(adapter);
527 memcpy(adapter->mac_addr, addr->sa_data, netdev->addr_len);
528 memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len);
529 adapter->macaddr_set(adapter, addr->sa_data);
531 if (netif_running(netdev)) {
532 netif_device_attach(netdev);
533 netxen_napi_enable(adapter);
538 static void netxen_set_multicast_list(struct net_device *dev)
540 struct netxen_adapter *adapter = netdev_priv(dev);
542 adapter->set_multi(dev);
545 static netdev_features_t netxen_fix_features(struct net_device *dev,
546 netdev_features_t features)
548 if (!(features & NETIF_F_RXCSUM)) {
549 netdev_info(dev, "disabling LRO as RXCSUM is off\n");
551 features &= ~NETIF_F_LRO;
557 static int netxen_set_features(struct net_device *dev,
558 netdev_features_t features)
560 struct netxen_adapter *adapter = netdev_priv(dev);
563 if (!((dev->features ^ features) & NETIF_F_LRO))
566 hw_lro = (features & NETIF_F_LRO) ? NETXEN_NIC_LRO_ENABLED
567 : NETXEN_NIC_LRO_DISABLED;
569 if (netxen_config_hw_lro(adapter, hw_lro))
572 if (!(features & NETIF_F_LRO) && netxen_send_lro_cleanup(adapter))
578 static const struct net_device_ops netxen_netdev_ops = {
579 .ndo_open = netxen_nic_open,
580 .ndo_stop = netxen_nic_close,
581 .ndo_start_xmit = netxen_nic_xmit_frame,
582 .ndo_get_stats64 = netxen_nic_get_stats,
583 .ndo_validate_addr = eth_validate_addr,
584 .ndo_set_rx_mode = netxen_set_multicast_list,
585 .ndo_set_mac_address = netxen_nic_set_mac,
586 .ndo_change_mtu = netxen_nic_change_mtu,
587 .ndo_tx_timeout = netxen_tx_timeout,
588 .ndo_fix_features = netxen_fix_features,
589 .ndo_set_features = netxen_set_features,
590 #ifdef CONFIG_NET_POLL_CONTROLLER
591 .ndo_poll_controller = netxen_nic_poll_controller,
595 static inline bool netxen_function_zero(struct pci_dev *pdev)
597 return (PCI_FUNC(pdev->devfn) == 0) ? true : false;
600 static inline void netxen_set_interrupt_mode(struct netxen_adapter *adapter,
603 NXWR32(adapter, NETXEN_INTR_MODE_REG, mode);
606 static inline u32 netxen_get_interrupt_mode(struct netxen_adapter *adapter)
608 return NXRD32(adapter, NETXEN_INTR_MODE_REG);
612 netxen_initialize_interrupt_registers(struct netxen_adapter *adapter)
614 struct netxen_legacy_intr_set *legacy_intrp;
615 u32 tgt_status_reg, int_state_reg;
617 if (adapter->ahw.revision_id >= NX_P3_B0)
618 legacy_intrp = &legacy_intr[adapter->ahw.pci_func];
620 legacy_intrp = &legacy_intr[0];
622 tgt_status_reg = legacy_intrp->tgt_status_reg;
623 int_state_reg = ISR_INT_STATE_REG;
625 adapter->int_vec_bit = legacy_intrp->int_vec_bit;
626 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, tgt_status_reg);
627 adapter->tgt_mask_reg = netxen_get_ioaddr(adapter,
628 legacy_intrp->tgt_mask_reg);
629 adapter->pci_int_reg = netxen_get_ioaddr(adapter,
630 legacy_intrp->pci_int_reg);
631 adapter->isr_int_vec = netxen_get_ioaddr(adapter, ISR_INT_VECTOR);
633 if (adapter->ahw.revision_id >= NX_P3_B1)
634 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
637 adapter->crb_int_state_reg = netxen_get_ioaddr(adapter,
641 static int netxen_setup_msi_interrupts(struct netxen_adapter *adapter,
644 struct pci_dev *pdev = adapter->pdev;
648 if (adapter->msix_supported) {
649 netxen_init_msix_entries(adapter, num_msix);
650 err = pci_enable_msix(pdev, adapter->msix_entries, num_msix);
652 adapter->flags |= NETXEN_NIC_MSIX_ENABLED;
653 netxen_set_msix_bit(pdev, 1);
655 if (adapter->rss_supported)
656 adapter->max_sds_rings = num_msix;
658 dev_info(&pdev->dev, "using msi-x interrupts\n");
661 /* fall through for msi */
664 if (use_msi && !pci_enable_msi(pdev)) {
665 value = msi_tgt_status[adapter->ahw.pci_func];
666 adapter->flags |= NETXEN_NIC_MSI_ENABLED;
667 adapter->tgt_status_reg = netxen_get_ioaddr(adapter, value);
668 adapter->msix_entries[0].vector = pdev->irq;
669 dev_info(&pdev->dev, "using msi interrupts\n");
673 dev_err(&pdev->dev, "Failed to acquire MSI-X/MSI interrupt vector\n");
677 static int netxen_setup_intr(struct netxen_adapter *adapter)
679 struct pci_dev *pdev = adapter->pdev;
682 if (adapter->rss_supported)
683 num_msix = (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER) ?
684 MSIX_ENTRIES_PER_ADAPTER : 2;
688 adapter->max_sds_rings = 1;
689 adapter->flags &= ~(NETXEN_NIC_MSI_ENABLED | NETXEN_NIC_MSIX_ENABLED);
691 netxen_initialize_interrupt_registers(adapter);
692 netxen_set_msix_bit(pdev, 0);
694 if (netxen_function_zero(pdev)) {
695 if (!netxen_setup_msi_interrupts(adapter, num_msix))
696 netxen_set_interrupt_mode(adapter, NETXEN_MSI_MODE);
698 netxen_set_interrupt_mode(adapter, NETXEN_INTX_MODE);
700 if (netxen_get_interrupt_mode(adapter) == NETXEN_MSI_MODE &&
701 netxen_setup_msi_interrupts(adapter, num_msix)) {
702 dev_err(&pdev->dev, "Co-existence of MSI-X/MSI and INTx interrupts is not supported\n");
707 if (!NETXEN_IS_MSI_FAMILY(adapter)) {
708 adapter->msix_entries[0].vector = pdev->irq;
709 dev_info(&pdev->dev, "using legacy interrupts\n");
715 netxen_teardown_intr(struct netxen_adapter *adapter)
717 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
718 pci_disable_msix(adapter->pdev);
719 if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
720 pci_disable_msi(adapter->pdev);
724 netxen_cleanup_pci_map(struct netxen_adapter *adapter)
726 if (adapter->ahw.db_base != NULL)
727 iounmap(adapter->ahw.db_base);
728 if (adapter->ahw.pci_base0 != NULL)
729 iounmap(adapter->ahw.pci_base0);
730 if (adapter->ahw.pci_base1 != NULL)
731 iounmap(adapter->ahw.pci_base1);
732 if (adapter->ahw.pci_base2 != NULL)
733 iounmap(adapter->ahw.pci_base2);
737 netxen_setup_pci_map(struct netxen_adapter *adapter)
739 void __iomem *db_ptr = NULL;
741 resource_size_t mem_base, db_base;
742 unsigned long mem_len, db_len = 0;
744 struct pci_dev *pdev = adapter->pdev;
745 int pci_func = adapter->ahw.pci_func;
746 struct netxen_hardware_context *ahw = &adapter->ahw;
751 * Set the CRB window to invalid. If any register in window 0 is
752 * accessed it should set the window to 0 and then reset it to 1.
754 adapter->ahw.crb_win = -1;
755 adapter->ahw.ocm_win = -1;
757 /* remap phys address */
758 mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */
759 mem_len = pci_resource_len(pdev, 0);
761 /* 128 Meg of memory */
762 if (mem_len == NETXEN_PCI_128MB_SIZE) {
764 ahw->pci_base0 = ioremap(mem_base, FIRST_PAGE_GROUP_SIZE);
765 ahw->pci_base1 = ioremap(mem_base + SECOND_PAGE_GROUP_START,
766 SECOND_PAGE_GROUP_SIZE);
767 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START,
768 THIRD_PAGE_GROUP_SIZE);
769 if (ahw->pci_base0 == NULL || ahw->pci_base1 == NULL ||
770 ahw->pci_base2 == NULL) {
771 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
776 ahw->pci_len0 = FIRST_PAGE_GROUP_SIZE;
778 } else if (mem_len == NETXEN_PCI_32MB_SIZE) {
780 ahw->pci_base1 = ioremap(mem_base, SECOND_PAGE_GROUP_SIZE);
781 ahw->pci_base2 = ioremap(mem_base + THIRD_PAGE_GROUP_START -
782 SECOND_PAGE_GROUP_START, THIRD_PAGE_GROUP_SIZE);
783 if (ahw->pci_base1 == NULL || ahw->pci_base2 == NULL) {
784 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
789 } else if (mem_len == NETXEN_PCI_2MB_SIZE) {
791 ahw->pci_base0 = pci_ioremap_bar(pdev, 0);
792 if (ahw->pci_base0 == NULL) {
793 dev_err(&pdev->dev, "failed to map PCI bar 0\n");
796 ahw->pci_len0 = mem_len;
801 netxen_setup_hwops(adapter);
803 dev_info(&pdev->dev, "%dMB memory map\n", (int)(mem_len>>20));
805 if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) {
806 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
807 NETXEN_PCIX_PS_REG(PCIX_OCM_WINDOW_REG(pci_func)));
809 } else if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
810 adapter->ahw.ocm_win_crb = netxen_get_ioaddr(adapter,
811 NETXEN_PCIX_PS_REG(PCIE_MN_WINDOW_REG(pci_func)));
814 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
817 db_base = pci_resource_start(pdev, 4); /* doorbell is on bar 4 */
818 db_len = pci_resource_len(pdev, 4);
821 printk(KERN_ERR "%s: doorbell is disabled\n",
822 netxen_nic_driver_name);
827 db_ptr = ioremap(db_base, NETXEN_DB_MAPSIZE_BYTES);
829 printk(KERN_ERR "%s: Failed to allocate doorbell map.",
830 netxen_nic_driver_name);
836 adapter->ahw.db_base = db_ptr;
837 adapter->ahw.db_len = db_len;
841 netxen_cleanup_pci_map(adapter);
846 netxen_check_options(struct netxen_adapter *adapter)
848 u32 fw_major, fw_minor, fw_build, prev_fw_version;
849 char brd_name[NETXEN_MAX_SHORT_NAME];
851 int i, offset, val, err;
853 struct pci_dev *pdev = adapter->pdev;
855 adapter->driver_mismatch = 0;
857 ptr32 = (__le32 *)&serial_num;
858 offset = NX_FW_SERIAL_NUM_OFFSET;
859 for (i = 0; i < 8; i++) {
860 if (netxen_rom_fast_read(adapter, offset, &val) == -1) {
861 dev_err(&pdev->dev, "error reading board info\n");
862 adapter->driver_mismatch = 1;
865 ptr32[i] = cpu_to_le32(val);
866 offset += sizeof(u32);
869 fw_major = NXRD32(adapter, NETXEN_FW_VERSION_MAJOR);
870 fw_minor = NXRD32(adapter, NETXEN_FW_VERSION_MINOR);
871 fw_build = NXRD32(adapter, NETXEN_FW_VERSION_SUB);
872 prev_fw_version = adapter->fw_version;
873 adapter->fw_version = NETXEN_VERSION_CODE(fw_major, fw_minor, fw_build);
875 /* Get FW Mini Coredump template and store it */
876 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
877 if (adapter->mdump.md_template == NULL ||
878 adapter->fw_version > prev_fw_version) {
879 kfree(adapter->mdump.md_template);
880 adapter->mdump.md_template = NULL;
881 err = netxen_setup_minidump(adapter);
883 dev_err(&adapter->pdev->dev,
884 "Failed to setup minidump rcode = %d\n", err);
888 if (adapter->portnum == 0) {
889 if (netxen_nic_get_brd_name_by_type(adapter->ahw.board_type,
891 strcpy(serial_num, "Unknown");
893 pr_info("%s: %s Board S/N %s Chip rev 0x%x\n",
894 module_name(THIS_MODULE),
895 brd_name, serial_num, adapter->ahw.revision_id);
898 if (adapter->fw_version < NETXEN_VERSION_CODE(3, 4, 216)) {
899 adapter->driver_mismatch = 1;
900 dev_warn(&pdev->dev, "firmware version %d.%d.%d unsupported\n",
901 fw_major, fw_minor, fw_build);
905 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
906 i = NXRD32(adapter, NETXEN_SRE_MISC);
907 adapter->ahw.cut_through = (i & 0x8000) ? 1 : 0;
910 dev_info(&pdev->dev, "Driver v%s, firmware v%d.%d.%d [%s]\n",
911 NETXEN_NIC_LINUX_VERSIONID, fw_major, fw_minor, fw_build,
912 adapter->ahw.cut_through ? "cut-through" : "legacy");
914 if (adapter->fw_version >= NETXEN_VERSION_CODE(4, 0, 222))
915 adapter->capabilities = NXRD32(adapter, CRB_FW_CAPABILITIES_1);
917 if (adapter->ahw.port_type == NETXEN_NIC_XGBE) {
918 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_10G;
919 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_10G;
920 } else if (adapter->ahw.port_type == NETXEN_NIC_GBE) {
921 adapter->num_rxd = DEFAULT_RCV_DESCRIPTORS_1G;
922 adapter->num_jumbo_rxd = MAX_JUMBO_RCV_DESCRIPTORS_1G;
925 adapter->msix_supported = 0;
926 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
927 adapter->msix_supported = !!use_msi_x;
928 adapter->rss_supported = !!use_msi_x;
931 netxen_rom_fast_read(adapter,
932 NX_FW_VERSION_OFFSET, (int *)&flashed_ver);
933 flashed_ver = NETXEN_DECODE_VERSION(flashed_ver);
935 if (flashed_ver >= NETXEN_VERSION_CODE(3, 4, 336)) {
936 switch (adapter->ahw.board_type) {
937 case NETXEN_BRDTYPE_P2_SB31_10G:
938 case NETXEN_BRDTYPE_P2_SB31_10G_CX4:
939 adapter->msix_supported = !!use_msi_x;
940 adapter->rss_supported = !!use_msi_x;
948 adapter->num_txd = MAX_CMD_DESCRIPTORS;
950 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
951 adapter->num_lro_rxd = MAX_LRO_RCV_DESCRIPTORS;
952 adapter->max_rds_rings = 3;
954 adapter->num_lro_rxd = 0;
955 adapter->max_rds_rings = 2;
960 netxen_start_firmware(struct netxen_adapter *adapter)
962 int val, err, first_boot;
963 struct pci_dev *pdev = adapter->pdev;
965 /* required for NX2031 dummy dma */
966 err = nx_set_dma_mask(adapter);
970 err = netxen_can_start_firmware(adapter);
978 first_boot = NXRD32(adapter, NETXEN_CAM_RAM(0x1fc));
980 err = netxen_check_hw_init(adapter, first_boot);
982 dev_err(&pdev->dev, "error in init HW init sequence\n");
986 netxen_request_firmware(adapter);
988 err = netxen_need_fw_reset(adapter);
992 goto pcie_strap_init;
994 if (first_boot != 0x55555555) {
995 NXWR32(adapter, CRB_CMDPEG_STATE, 0);
996 netxen_pinit_from_rom(adapter);
1000 NXWR32(adapter, CRB_DMA_SHIFT, 0x55555555);
1001 NXWR32(adapter, NETXEN_PEG_HALT_STATUS1, 0);
1002 NXWR32(adapter, NETXEN_PEG_HALT_STATUS2, 0);
1004 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1005 netxen_set_port_mode(adapter);
1007 err = netxen_load_firmware(adapter);
1011 netxen_release_firmware(adapter);
1013 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1015 /* Initialize multicast addr pool owners */
1017 if (adapter->ahw.port_type == NETXEN_NIC_XGBE)
1019 NXWR32(adapter, NETXEN_MAC_ADDR_CNTL_REG, val);
1023 err = netxen_init_dummy_dma(adapter);
1028 * Tell the hardware our version number.
1030 val = (_NETXEN_NIC_LINUX_MAJOR << 16)
1031 | ((_NETXEN_NIC_LINUX_MINOR << 8))
1032 | (_NETXEN_NIC_LINUX_SUBVERSION);
1033 NXWR32(adapter, CRB_DRIVER_VERSION, val);
1036 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1037 netxen_pcie_strap_init(adapter);
1040 /* Handshake with the card before we register the devices. */
1041 err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
1043 netxen_free_dummy_dma(adapter);
1047 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_READY);
1049 nx_update_dma_mask(adapter);
1051 netxen_check_options(adapter);
1053 adapter->need_fw_reset = 0;
1055 /* fall through and release firmware */
1058 netxen_release_firmware(adapter);
1063 netxen_nic_request_irq(struct netxen_adapter *adapter)
1065 irq_handler_t handler;
1066 struct nx_host_sds_ring *sds_ring;
1069 unsigned long flags = 0;
1070 struct net_device *netdev = adapter->netdev;
1071 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1073 if (adapter->flags & NETXEN_NIC_MSIX_ENABLED)
1074 handler = netxen_msix_intr;
1075 else if (adapter->flags & NETXEN_NIC_MSI_ENABLED)
1076 handler = netxen_msi_intr;
1078 flags |= IRQF_SHARED;
1079 handler = netxen_intr;
1081 adapter->irq = netdev->irq;
1083 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1084 sds_ring = &recv_ctx->sds_rings[ring];
1085 sprintf(sds_ring->name, "%s[%d]", netdev->name, ring);
1086 err = request_irq(sds_ring->irq, handler,
1087 flags, sds_ring->name, sds_ring);
1096 netxen_nic_free_irq(struct netxen_adapter *adapter)
1099 struct nx_host_sds_ring *sds_ring;
1101 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
1103 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
1104 sds_ring = &recv_ctx->sds_rings[ring];
1105 free_irq(sds_ring->irq, sds_ring);
1110 netxen_nic_init_coalesce_defaults(struct netxen_adapter *adapter)
1112 adapter->coal.flags = NETXEN_NIC_INTR_DEFAULT;
1113 adapter->coal.normal.data.rx_time_us =
1114 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US;
1115 adapter->coal.normal.data.rx_packets =
1116 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS;
1117 adapter->coal.normal.data.tx_time_us =
1118 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US;
1119 adapter->coal.normal.data.tx_packets =
1120 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS;
1123 /* with rtnl_lock */
1125 __netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1129 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1132 err = adapter->init_port(adapter, adapter->physical_port);
1134 printk(KERN_ERR "%s: Failed to initialize port %d\n",
1135 netxen_nic_driver_name, adapter->portnum);
1138 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
1139 adapter->macaddr_set(adapter, adapter->mac_addr);
1141 adapter->set_multi(netdev);
1142 adapter->set_mtu(adapter, netdev->mtu);
1144 adapter->ahw.linkup = 0;
1146 if (adapter->max_sds_rings > 1)
1147 netxen_config_rss(adapter, 1);
1149 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1150 netxen_config_intr_coalesce(adapter);
1152 if (netdev->features & NETIF_F_LRO)
1153 netxen_config_hw_lro(adapter, NETXEN_NIC_LRO_ENABLED);
1155 netxen_napi_enable(adapter);
1157 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1158 netxen_linkevent_request(adapter, 1);
1160 netxen_nic_set_link_parameters(adapter);
1162 set_bit(__NX_DEV_UP, &adapter->state);
1166 /* Usage: During resume and firmware recovery module.*/
1169 netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
1174 if (netif_running(netdev))
1175 err = __netxen_nic_up(adapter, netdev);
1181 /* with rtnl_lock */
1183 __netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1185 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1188 if (!test_and_clear_bit(__NX_DEV_UP, &adapter->state))
1192 spin_lock(&adapter->tx_clean_lock);
1193 netif_carrier_off(netdev);
1194 netif_tx_disable(netdev);
1196 if (adapter->capabilities & NX_FW_CAPABILITY_LINK_NOTIFICATION)
1197 netxen_linkevent_request(adapter, 0);
1199 if (adapter->stop_port)
1200 adapter->stop_port(adapter);
1202 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1203 netxen_p3_free_mac_list(adapter);
1205 adapter->set_promisc(adapter, NETXEN_NIU_NON_PROMISC_MODE);
1207 netxen_napi_disable(adapter);
1209 netxen_release_tx_buffers(adapter);
1210 spin_unlock(&adapter->tx_clean_lock);
1213 /* Usage: During suspend and firmware recovery module */
1216 netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
1219 if (netif_running(netdev))
1220 __netxen_nic_down(adapter, netdev);
1226 netxen_nic_attach(struct netxen_adapter *adapter)
1228 struct net_device *netdev = adapter->netdev;
1229 struct pci_dev *pdev = adapter->pdev;
1231 struct nx_host_rds_ring *rds_ring;
1232 struct nx_host_tx_ring *tx_ring;
1235 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC)
1238 err = netxen_init_firmware(adapter);
1242 adapter->flags &= ~NETXEN_FW_MSS_CAP;
1243 if (adapter->capabilities & NX_FW_CAPABILITY_MORE_CAPS) {
1244 capab2 = NXRD32(adapter, CRB_FW_CAPABILITIES_2);
1245 if (capab2 & NX_FW_CAPABILITY_2_LRO_MAX_TCP_SEG)
1246 adapter->flags |= NETXEN_FW_MSS_CAP;
1249 err = netxen_napi_add(adapter, netdev);
1253 err = netxen_alloc_sw_resources(adapter);
1255 printk(KERN_ERR "%s: Error in setting sw resources\n",
1260 err = netxen_alloc_hw_resources(adapter);
1262 printk(KERN_ERR "%s: Error in setting hw resources\n",
1264 goto err_out_free_sw;
1267 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1268 tx_ring = adapter->tx_ring;
1269 tx_ring->crb_cmd_producer = netxen_get_ioaddr(adapter,
1270 crb_cmd_producer[adapter->portnum]);
1271 tx_ring->crb_cmd_consumer = netxen_get_ioaddr(adapter,
1272 crb_cmd_consumer[adapter->portnum]);
1274 tx_ring->producer = 0;
1275 tx_ring->sw_consumer = 0;
1277 netxen_nic_update_cmd_producer(adapter, tx_ring);
1278 netxen_nic_update_cmd_consumer(adapter, tx_ring);
1281 for (ring = 0; ring < adapter->max_rds_rings; ring++) {
1282 rds_ring = &adapter->recv_ctx.rds_rings[ring];
1283 netxen_post_rx_buffers(adapter, ring, rds_ring);
1286 err = netxen_nic_request_irq(adapter);
1288 dev_err(&pdev->dev, "%s: failed to setup interrupt\n",
1290 goto err_out_free_rxbuf;
1293 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1294 netxen_nic_init_coalesce_defaults(adapter);
1296 netxen_create_sysfs_entries(adapter);
1298 adapter->is_up = NETXEN_ADAPTER_UP_MAGIC;
1302 netxen_release_rx_buffers(adapter);
1303 netxen_free_hw_resources(adapter);
1305 netxen_free_sw_resources(adapter);
1310 netxen_nic_detach(struct netxen_adapter *adapter)
1312 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
1315 netxen_remove_sysfs_entries(adapter);
1317 netxen_free_hw_resources(adapter);
1318 netxen_release_rx_buffers(adapter);
1319 netxen_nic_free_irq(adapter);
1320 netxen_napi_del(adapter);
1321 netxen_free_sw_resources(adapter);
1327 netxen_nic_reset_context(struct netxen_adapter *adapter)
1330 struct net_device *netdev = adapter->netdev;
1332 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
1335 if (adapter->is_up == NETXEN_ADAPTER_UP_MAGIC) {
1337 netif_device_detach(netdev);
1339 if (netif_running(netdev))
1340 __netxen_nic_down(adapter, netdev);
1342 netxen_nic_detach(adapter);
1344 if (netif_running(netdev)) {
1345 err = netxen_nic_attach(adapter);
1347 err = __netxen_nic_up(adapter, netdev);
1353 netif_device_attach(netdev);
1357 clear_bit(__NX_RESETTING, &adapter->state);
1362 netxen_setup_netdev(struct netxen_adapter *adapter,
1363 struct net_device *netdev)
1366 struct pci_dev *pdev = adapter->pdev;
1368 adapter->mc_enabled = 0;
1369 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1370 adapter->max_mc_count = 38;
1372 adapter->max_mc_count = 16;
1374 netdev->netdev_ops = &netxen_netdev_ops;
1375 netdev->watchdog_timeo = 5*HZ;
1377 netxen_nic_change_mtu(netdev, netdev->mtu);
1379 SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops);
1381 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO |
1384 if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
1385 netdev->hw_features |= NETIF_F_IPV6_CSUM | NETIF_F_TSO6;
1387 netdev->vlan_features |= netdev->hw_features;
1389 if (adapter->pci_using_dac) {
1390 netdev->features |= NETIF_F_HIGHDMA;
1391 netdev->vlan_features |= NETIF_F_HIGHDMA;
1394 if (adapter->capabilities & NX_FW_CAPABILITY_FVLANTX)
1395 netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX;
1397 if (adapter->capabilities & NX_FW_CAPABILITY_HW_LRO)
1398 netdev->hw_features |= NETIF_F_LRO;
1400 netdev->features |= netdev->hw_features;
1402 netdev->irq = adapter->msix_entries[0].vector;
1404 INIT_WORK(&adapter->tx_timeout_task, netxen_tx_timeout_task);
1406 if (netxen_read_mac_addr(adapter))
1407 dev_warn(&pdev->dev, "failed to read mac addr\n");
1409 netif_carrier_off(netdev);
1411 err = register_netdev(netdev);
1413 dev_err(&pdev->dev, "failed to register net device\n");
1420 #ifdef CONFIG_PCIEAER
1421 static void netxen_mask_aer_correctable(struct netxen_adapter *adapter)
1423 struct pci_dev *pdev = adapter->pdev;
1424 struct pci_dev *root = pdev->bus->self;
1431 if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM &&
1432 adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP)
1435 if (pci_pcie_type(root) != PCI_EXP_TYPE_ROOT_PORT)
1438 aer_pos = pci_find_ext_capability(root, PCI_EXT_CAP_ID_ERR);
1442 pci_write_config_dword(root, aer_pos + PCI_ERR_COR_MASK, 0xffff);
1447 netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1449 struct net_device *netdev = NULL;
1450 struct netxen_adapter *adapter = NULL;
1452 int pci_func_id = PCI_FUNC(pdev->devfn);
1453 uint8_t revision_id;
1456 if (pdev->revision >= NX_P3_A0 && pdev->revision <= NX_P3_B1) {
1457 pr_warning("%s: chip revisions between 0x%x-0x%x "
1458 "will not be enabled.\n",
1459 module_name(THIS_MODULE), NX_P3_A0, NX_P3_B1);
1463 if ((err = pci_enable_device(pdev)))
1466 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
1468 goto err_out_disable_pdev;
1471 if ((err = pci_request_regions(pdev, netxen_nic_driver_name)))
1472 goto err_out_disable_pdev;
1474 if (NX_IS_REVISION_P3(pdev->revision))
1475 pci_enable_pcie_error_reporting(pdev);
1477 pci_set_master(pdev);
1479 netdev = alloc_etherdev(sizeof(struct netxen_adapter));
1482 goto err_out_free_res;
1485 SET_NETDEV_DEV(netdev, &pdev->dev);
1487 adapter = netdev_priv(netdev);
1488 adapter->netdev = netdev;
1489 adapter->pdev = pdev;
1490 adapter->ahw.pci_func = pci_func_id;
1492 revision_id = pdev->revision;
1493 adapter->ahw.revision_id = revision_id;
1495 rwlock_init(&adapter->ahw.crb_lock);
1496 spin_lock_init(&adapter->ahw.mem_lock);
1498 spin_lock_init(&adapter->tx_clean_lock);
1499 INIT_LIST_HEAD(&adapter->mac_list);
1500 INIT_LIST_HEAD(&adapter->ip_list);
1502 err = netxen_setup_pci_map(adapter);
1504 goto err_out_free_netdev;
1506 /* This will be reset for mezz cards */
1507 adapter->portnum = pci_func_id;
1509 err = netxen_nic_get_board_info(adapter);
1511 dev_err(&pdev->dev, "Error getting board config info.\n");
1512 goto err_out_iounmap;
1515 #ifdef CONFIG_PCIEAER
1516 netxen_mask_aer_correctable(adapter);
1519 /* Mezz cards have PCI function 0,2,3 enabled */
1520 switch (adapter->ahw.board_type) {
1521 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ:
1522 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ:
1523 if (pci_func_id >= 2)
1524 adapter->portnum = pci_func_id - 2;
1530 err = netxen_check_flash_fw_compatibility(adapter);
1532 goto err_out_iounmap;
1534 if (adapter->portnum == 0) {
1535 val = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
1536 if (val != 0xffffffff && val != 0) {
1537 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, 0);
1538 adapter->need_fw_reset = 1;
1542 err = netxen_start_firmware(adapter);
1544 goto err_out_decr_ref;
1547 * See if the firmware gave us a virtual-physical port mapping.
1549 adapter->physical_port = adapter->portnum;
1550 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
1551 i = NXRD32(adapter, CRB_V2P(adapter->portnum));
1552 if (i != 0x55555555)
1553 adapter->physical_port = i;
1556 netxen_nic_clear_stats(adapter);
1558 err = netxen_setup_intr(adapter);
1561 dev_err(&adapter->pdev->dev,
1562 "Failed to setup interrupts, error = %d\n", err);
1563 goto err_out_disable_msi;
1566 err = netxen_setup_netdev(adapter, netdev);
1568 goto err_out_disable_msi;
1570 pci_set_drvdata(pdev, adapter);
1572 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1574 switch (adapter->ahw.port_type) {
1575 case NETXEN_NIC_GBE:
1576 dev_info(&adapter->pdev->dev, "%s: GbE port initialized\n",
1577 adapter->netdev->name);
1579 case NETXEN_NIC_XGBE:
1580 dev_info(&adapter->pdev->dev, "%s: XGbE port initialized\n",
1581 adapter->netdev->name);
1585 netxen_create_diag_entries(adapter);
1589 err_out_disable_msi:
1590 netxen_teardown_intr(adapter);
1592 netxen_free_dummy_dma(adapter);
1595 nx_decr_dev_ref_cnt(adapter);
1598 netxen_cleanup_pci_map(adapter);
1600 err_out_free_netdev:
1601 free_netdev(netdev);
1604 pci_release_regions(pdev);
1606 err_out_disable_pdev:
1607 pci_set_drvdata(pdev, NULL);
1608 pci_disable_device(pdev);
1613 void netxen_cleanup_minidump(struct netxen_adapter *adapter)
1615 kfree(adapter->mdump.md_template);
1616 adapter->mdump.md_template = NULL;
1618 if (adapter->mdump.md_capture_buff) {
1619 vfree(adapter->mdump.md_capture_buff);
1620 adapter->mdump.md_capture_buff = NULL;
1624 static void netxen_nic_remove(struct pci_dev *pdev)
1626 struct netxen_adapter *adapter;
1627 struct net_device *netdev;
1629 adapter = pci_get_drvdata(pdev);
1630 if (adapter == NULL)
1633 netdev = adapter->netdev;
1635 netxen_cancel_fw_work(adapter);
1637 unregister_netdev(netdev);
1639 cancel_work_sync(&adapter->tx_timeout_task);
1641 netxen_free_ip_list(adapter, false);
1642 netxen_nic_detach(adapter);
1644 nx_decr_dev_ref_cnt(adapter);
1646 if (adapter->portnum == 0)
1647 netxen_free_dummy_dma(adapter);
1649 clear_bit(__NX_RESETTING, &adapter->state);
1651 netxen_teardown_intr(adapter);
1652 netxen_set_interrupt_mode(adapter, 0);
1653 netxen_remove_diag_entries(adapter);
1655 netxen_cleanup_pci_map(adapter);
1657 netxen_release_firmware(adapter);
1659 if (NX_IS_REVISION_P3(pdev->revision)) {
1660 netxen_cleanup_minidump(adapter);
1661 pci_disable_pcie_error_reporting(pdev);
1664 pci_release_regions(pdev);
1665 pci_disable_device(pdev);
1666 pci_set_drvdata(pdev, NULL);
1668 free_netdev(netdev);
1671 static void netxen_nic_detach_func(struct netxen_adapter *adapter)
1673 struct net_device *netdev = adapter->netdev;
1675 netif_device_detach(netdev);
1677 netxen_cancel_fw_work(adapter);
1679 if (netif_running(netdev))
1680 netxen_nic_down(adapter, netdev);
1682 cancel_work_sync(&adapter->tx_timeout_task);
1684 netxen_nic_detach(adapter);
1686 if (adapter->portnum == 0)
1687 netxen_free_dummy_dma(adapter);
1689 nx_decr_dev_ref_cnt(adapter);
1691 clear_bit(__NX_RESETTING, &adapter->state);
1694 static int netxen_nic_attach_func(struct pci_dev *pdev)
1696 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1697 struct net_device *netdev = adapter->netdev;
1700 err = pci_enable_device(pdev);
1704 pci_set_power_state(pdev, PCI_D0);
1705 pci_set_master(pdev);
1706 pci_restore_state(pdev);
1708 adapter->ahw.crb_win = -1;
1709 adapter->ahw.ocm_win = -1;
1711 err = netxen_start_firmware(adapter);
1713 dev_err(&pdev->dev, "failed to start firmware\n");
1717 if (netif_running(netdev)) {
1718 err = netxen_nic_attach(adapter);
1722 err = netxen_nic_up(adapter, netdev);
1724 goto err_out_detach;
1726 netxen_restore_indev_addr(netdev, NETDEV_UP);
1729 netif_device_attach(netdev);
1730 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
1734 netxen_nic_detach(adapter);
1736 nx_decr_dev_ref_cnt(adapter);
1740 static pci_ers_result_t netxen_io_error_detected(struct pci_dev *pdev,
1741 pci_channel_state_t state)
1743 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1745 if (state == pci_channel_io_perm_failure)
1746 return PCI_ERS_RESULT_DISCONNECT;
1748 if (nx_dev_request_aer(adapter))
1749 return PCI_ERS_RESULT_RECOVERED;
1751 netxen_nic_detach_func(adapter);
1753 pci_disable_device(pdev);
1755 return PCI_ERS_RESULT_NEED_RESET;
1758 static pci_ers_result_t netxen_io_slot_reset(struct pci_dev *pdev)
1762 err = netxen_nic_attach_func(pdev);
1764 return err ? PCI_ERS_RESULT_DISCONNECT : PCI_ERS_RESULT_RECOVERED;
1767 static void netxen_io_resume(struct pci_dev *pdev)
1769 pci_cleanup_aer_uncorrect_error_status(pdev);
1772 static void netxen_nic_shutdown(struct pci_dev *pdev)
1774 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1776 netxen_nic_detach_func(adapter);
1778 if (pci_save_state(pdev))
1781 if (netxen_nic_wol_supported(adapter)) {
1782 pci_enable_wake(pdev, PCI_D3cold, 1);
1783 pci_enable_wake(pdev, PCI_D3hot, 1);
1786 pci_disable_device(pdev);
1791 netxen_nic_suspend(struct pci_dev *pdev, pm_message_t state)
1793 struct netxen_adapter *adapter = pci_get_drvdata(pdev);
1796 netxen_nic_detach_func(adapter);
1798 retval = pci_save_state(pdev);
1802 if (netxen_nic_wol_supported(adapter)) {
1803 pci_enable_wake(pdev, PCI_D3cold, 1);
1804 pci_enable_wake(pdev, PCI_D3hot, 1);
1807 pci_disable_device(pdev);
1808 pci_set_power_state(pdev, pci_choose_state(pdev, state));
1814 netxen_nic_resume(struct pci_dev *pdev)
1816 return netxen_nic_attach_func(pdev);
1820 static int netxen_nic_open(struct net_device *netdev)
1822 struct netxen_adapter *adapter = netdev_priv(netdev);
1825 if (adapter->driver_mismatch)
1828 err = netxen_nic_attach(adapter);
1832 err = __netxen_nic_up(adapter, netdev);
1836 netif_start_queue(netdev);
1841 netxen_nic_detach(adapter);
1846 * netxen_nic_close - Disables a network interface entry point
1848 static int netxen_nic_close(struct net_device *netdev)
1850 struct netxen_adapter *adapter = netdev_priv(netdev);
1852 __netxen_nic_down(adapter, netdev);
1857 netxen_tso_check(struct net_device *netdev,
1858 struct nx_host_tx_ring *tx_ring,
1859 struct cmd_desc_type0 *first_desc,
1860 struct sk_buff *skb)
1862 u8 opcode = TX_ETHER_PKT;
1863 __be16 protocol = skb->protocol;
1864 u16 flags = 0, vid = 0;
1866 int copied, offset, copy_len, hdr_len = 0, tso = 0, vlan_oob = 0;
1867 struct cmd_desc_type0 *hwdesc;
1868 struct vlan_ethhdr *vh;
1870 if (protocol == cpu_to_be16(ETH_P_8021Q)) {
1872 vh = (struct vlan_ethhdr *)skb->data;
1873 protocol = vh->h_vlan_encapsulated_proto;
1874 flags = FLAGS_VLAN_TAGGED;
1876 } else if (vlan_tx_tag_present(skb)) {
1877 flags = FLAGS_VLAN_OOB;
1878 vid = vlan_tx_tag_get(skb);
1879 netxen_set_tx_vlan_tci(first_desc, vid);
1883 if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) &&
1884 skb_shinfo(skb)->gso_size > 0) {
1886 hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb);
1888 first_desc->mss = cpu_to_le16(skb_shinfo(skb)->gso_size);
1889 first_desc->total_hdr_length = hdr_len;
1891 first_desc->total_hdr_length += VLAN_HLEN;
1892 first_desc->tcp_hdr_offset = VLAN_HLEN;
1893 first_desc->ip_hdr_offset = VLAN_HLEN;
1894 /* Only in case of TSO on vlan device */
1895 flags |= FLAGS_VLAN_TAGGED;
1898 opcode = (protocol == cpu_to_be16(ETH_P_IPV6)) ?
1899 TX_TCP_LSO6 : TX_TCP_LSO;
1902 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
1905 if (protocol == cpu_to_be16(ETH_P_IP)) {
1906 l4proto = ip_hdr(skb)->protocol;
1908 if (l4proto == IPPROTO_TCP)
1909 opcode = TX_TCP_PKT;
1910 else if(l4proto == IPPROTO_UDP)
1911 opcode = TX_UDP_PKT;
1912 } else if (protocol == cpu_to_be16(ETH_P_IPV6)) {
1913 l4proto = ipv6_hdr(skb)->nexthdr;
1915 if (l4proto == IPPROTO_TCP)
1916 opcode = TX_TCPV6_PKT;
1917 else if(l4proto == IPPROTO_UDP)
1918 opcode = TX_UDPV6_PKT;
1922 first_desc->tcp_hdr_offset += skb_transport_offset(skb);
1923 first_desc->ip_hdr_offset += skb_network_offset(skb);
1924 netxen_set_tx_flags_opcode(first_desc, flags, opcode);
1929 /* For LSO, we need to copy the MAC/IP/TCP headers into
1930 * the descriptor ring
1932 producer = tx_ring->producer;
1937 /* Create a TSO vlan header template for firmware */
1939 hwdesc = &tx_ring->desc_head[producer];
1940 tx_ring->cmd_buf_arr[producer].skb = NULL;
1942 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1943 hdr_len + VLAN_HLEN);
1945 vh = (struct vlan_ethhdr *)((char *)hwdesc + 2);
1946 skb_copy_from_linear_data(skb, vh, 12);
1947 vh->h_vlan_proto = htons(ETH_P_8021Q);
1948 vh->h_vlan_TCI = htons(vid);
1949 skb_copy_from_linear_data_offset(skb, 12,
1950 (char *)vh + 16, copy_len - 16);
1952 copied = copy_len - VLAN_HLEN;
1955 producer = get_next_index(producer, tx_ring->num_desc);
1958 while (copied < hdr_len) {
1960 copy_len = min((int)sizeof(struct cmd_desc_type0) - offset,
1961 (hdr_len - copied));
1963 hwdesc = &tx_ring->desc_head[producer];
1964 tx_ring->cmd_buf_arr[producer].skb = NULL;
1966 skb_copy_from_linear_data_offset(skb, copied,
1967 (char *)hwdesc + offset, copy_len);
1972 producer = get_next_index(producer, tx_ring->num_desc);
1975 tx_ring->producer = producer;
1980 netxen_map_tx_skb(struct pci_dev *pdev,
1981 struct sk_buff *skb, struct netxen_cmd_buffer *pbuf)
1983 struct netxen_skb_frag *nf;
1984 struct skb_frag_struct *frag;
1988 nr_frags = skb_shinfo(skb)->nr_frags;
1989 nf = &pbuf->frag_array[0];
1991 map = pci_map_single(pdev, skb->data,
1992 skb_headlen(skb), PCI_DMA_TODEVICE);
1993 if (pci_dma_mapping_error(pdev, map))
1997 nf->length = skb_headlen(skb);
1999 for (i = 0; i < nr_frags; i++) {
2000 frag = &skb_shinfo(skb)->frags[i];
2001 nf = &pbuf->frag_array[i+1];
2003 map = skb_frag_dma_map(&pdev->dev, frag, 0, skb_frag_size(frag),
2005 if (dma_mapping_error(&pdev->dev, map))
2009 nf->length = skb_frag_size(frag);
2016 nf = &pbuf->frag_array[i+1];
2017 pci_unmap_page(pdev, nf->dma, nf->length, PCI_DMA_TODEVICE);
2021 nf = &pbuf->frag_array[0];
2022 pci_unmap_single(pdev, nf->dma, skb_headlen(skb), PCI_DMA_TODEVICE);
2030 netxen_clear_cmddesc(u64 *desc)
2037 netxen_nic_xmit_frame(struct sk_buff *skb, struct net_device *netdev)
2039 struct netxen_adapter *adapter = netdev_priv(netdev);
2040 struct nx_host_tx_ring *tx_ring = adapter->tx_ring;
2041 struct netxen_cmd_buffer *pbuf;
2042 struct netxen_skb_frag *buffrag;
2043 struct cmd_desc_type0 *hwdesc, *first_desc;
2044 struct pci_dev *pdev;
2047 struct skb_frag_struct *frag;
2050 int frag_count, no_of_desc;
2051 u32 num_txd = tx_ring->num_desc;
2053 frag_count = skb_shinfo(skb)->nr_frags + 1;
2055 /* 14 frags supported for normal packet and
2056 * 32 frags supported for TSO packet
2058 if (!skb_is_gso(skb) && frag_count > NETXEN_MAX_FRAGS_PER_TX) {
2060 for (i = 0; i < (frag_count - NETXEN_MAX_FRAGS_PER_TX); i++) {
2061 frag = &skb_shinfo(skb)->frags[i];
2062 delta += skb_frag_size(frag);
2065 if (!__pskb_pull_tail(skb, delta))
2068 frag_count = 1 + skb_shinfo(skb)->nr_frags;
2070 /* 4 fragments per cmd des */
2071 no_of_desc = (frag_count + 3) >> 2;
2073 if (unlikely(netxen_tx_avail(tx_ring) <= TX_STOP_THRESH)) {
2074 netif_stop_queue(netdev);
2076 if (netxen_tx_avail(tx_ring) > TX_STOP_THRESH)
2077 netif_start_queue(netdev);
2079 return NETDEV_TX_BUSY;
2082 producer = tx_ring->producer;
2083 pbuf = &tx_ring->cmd_buf_arr[producer];
2085 pdev = adapter->pdev;
2087 if (netxen_map_tx_skb(pdev, skb, pbuf))
2091 pbuf->frag_count = frag_count;
2093 first_desc = hwdesc = &tx_ring->desc_head[producer];
2094 netxen_clear_cmddesc((u64 *)hwdesc);
2096 netxen_set_tx_frags_len(first_desc, frag_count, skb->len);
2097 netxen_set_tx_port(first_desc, adapter->portnum);
2099 for (i = 0; i < frag_count; i++) {
2103 if ((k == 0) && (i > 0)) {
2104 /* move to next desc.*/
2105 producer = get_next_index(producer, num_txd);
2106 hwdesc = &tx_ring->desc_head[producer];
2107 netxen_clear_cmddesc((u64 *)hwdesc);
2108 tx_ring->cmd_buf_arr[producer].skb = NULL;
2111 buffrag = &pbuf->frag_array[i];
2113 hwdesc->buffer_length[k] = cpu_to_le16(buffrag->length);
2116 hwdesc->addr_buffer1 = cpu_to_le64(buffrag->dma);
2119 hwdesc->addr_buffer2 = cpu_to_le64(buffrag->dma);
2122 hwdesc->addr_buffer3 = cpu_to_le64(buffrag->dma);
2125 hwdesc->addr_buffer4 = cpu_to_le64(buffrag->dma);
2130 tx_ring->producer = get_next_index(producer, num_txd);
2132 netxen_tso_check(netdev, tx_ring, first_desc, skb);
2134 adapter->stats.txbytes += skb->len;
2135 adapter->stats.xmitcalled++;
2137 netxen_nic_update_cmd_producer(adapter, tx_ring);
2139 return NETDEV_TX_OK;
2142 adapter->stats.txdropped++;
2143 dev_kfree_skb_any(skb);
2144 return NETDEV_TX_OK;
2147 static int netxen_nic_check_temp(struct netxen_adapter *adapter)
2149 struct net_device *netdev = adapter->netdev;
2150 uint32_t temp, temp_state, temp_val;
2153 temp = NXRD32(adapter, CRB_TEMP_STATE);
2155 temp_state = nx_get_temp_state(temp);
2156 temp_val = nx_get_temp_val(temp);
2158 if (temp_state == NX_TEMP_PANIC) {
2160 "%s: Device temperature %d degrees C exceeds"
2161 " maximum allowed. Hardware has been shut down.\n",
2162 netdev->name, temp_val);
2164 } else if (temp_state == NX_TEMP_WARN) {
2165 if (adapter->temp == NX_TEMP_NORMAL) {
2167 "%s: Device temperature %d degrees C "
2168 "exceeds operating range."
2169 " Immediate action needed.\n",
2170 netdev->name, temp_val);
2173 if (adapter->temp == NX_TEMP_WARN) {
2175 "%s: Device temperature is now %d degrees C"
2176 " in normal range.\n", netdev->name,
2180 adapter->temp = temp_state;
2184 void netxen_advert_link_change(struct netxen_adapter *adapter, int linkup)
2186 struct net_device *netdev = adapter->netdev;
2188 if (adapter->ahw.linkup && !linkup) {
2189 printk(KERN_INFO "%s: %s NIC Link is down\n",
2190 netxen_nic_driver_name, netdev->name);
2191 adapter->ahw.linkup = 0;
2192 if (netif_running(netdev)) {
2193 netif_carrier_off(netdev);
2194 netif_stop_queue(netdev);
2196 adapter->link_changed = !adapter->has_link_events;
2197 } else if (!adapter->ahw.linkup && linkup) {
2198 printk(KERN_INFO "%s: %s NIC Link is up\n",
2199 netxen_nic_driver_name, netdev->name);
2200 adapter->ahw.linkup = 1;
2201 if (netif_running(netdev)) {
2202 netif_carrier_on(netdev);
2203 netif_wake_queue(netdev);
2205 adapter->link_changed = !adapter->has_link_events;
2209 static void netxen_nic_handle_phy_intr(struct netxen_adapter *adapter)
2211 u32 val, port, linkup;
2213 port = adapter->physical_port;
2215 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2216 val = NXRD32(adapter, CRB_XG_STATE_P3);
2217 val = XG_LINK_STATE_P3(adapter->ahw.pci_func, val);
2218 linkup = (val == XG_LINK_UP_P3);
2220 val = NXRD32(adapter, CRB_XG_STATE);
2221 val = (val >> port*8) & 0xff;
2222 linkup = (val == XG_LINK_UP);
2225 netxen_advert_link_change(adapter, linkup);
2228 static void netxen_tx_timeout(struct net_device *netdev)
2230 struct netxen_adapter *adapter = netdev_priv(netdev);
2232 if (test_bit(__NX_RESETTING, &adapter->state))
2235 dev_err(&netdev->dev, "transmit timeout, resetting.\n");
2236 schedule_work(&adapter->tx_timeout_task);
2239 static void netxen_tx_timeout_task(struct work_struct *work)
2241 struct netxen_adapter *adapter =
2242 container_of(work, struct netxen_adapter, tx_timeout_task);
2244 if (!netif_running(adapter->netdev))
2247 if (test_and_set_bit(__NX_RESETTING, &adapter->state))
2250 if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
2254 if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
2255 /* try to scrub interrupt */
2256 netxen_napi_disable(adapter);
2258 netxen_napi_enable(adapter);
2260 netif_wake_queue(adapter->netdev);
2262 clear_bit(__NX_RESETTING, &adapter->state);
2264 clear_bit(__NX_RESETTING, &adapter->state);
2265 if (netxen_nic_reset_context(adapter)) {
2270 adapter->netdev->trans_start = jiffies;
2275 adapter->need_fw_reset = 1;
2276 clear_bit(__NX_RESETTING, &adapter->state);
2279 static struct rtnl_link_stats64 *netxen_nic_get_stats(struct net_device *netdev,
2280 struct rtnl_link_stats64 *stats)
2282 struct netxen_adapter *adapter = netdev_priv(netdev);
2284 stats->rx_packets = adapter->stats.rx_pkts + adapter->stats.lro_pkts;
2285 stats->tx_packets = adapter->stats.xmitfinished;
2286 stats->rx_bytes = adapter->stats.rxbytes;
2287 stats->tx_bytes = adapter->stats.txbytes;
2288 stats->rx_dropped = adapter->stats.rxdropped;
2289 stats->tx_dropped = adapter->stats.txdropped;
2294 static irqreturn_t netxen_intr(int irq, void *data)
2296 struct nx_host_sds_ring *sds_ring = data;
2297 struct netxen_adapter *adapter = sds_ring->adapter;
2300 status = readl(adapter->isr_int_vec);
2302 if (!(status & adapter->int_vec_bit))
2305 if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) {
2306 /* check interrupt state machine, to be sure */
2307 status = readl(adapter->crb_int_state_reg);
2308 if (!ISR_LEGACY_INT_TRIGGERED(status))
2312 unsigned long our_int = 0;
2314 our_int = readl(adapter->crb_int_state_reg);
2316 /* not our interrupt */
2317 if (!test_and_clear_bit((7 + adapter->portnum), &our_int))
2320 /* claim interrupt */
2321 writel((our_int & 0xffffffff), adapter->crb_int_state_reg);
2323 /* clear interrupt */
2324 netxen_nic_disable_int(sds_ring);
2327 writel(0xffffffff, adapter->tgt_status_reg);
2328 /* read twice to ensure write is flushed */
2329 readl(adapter->isr_int_vec);
2330 readl(adapter->isr_int_vec);
2332 napi_schedule(&sds_ring->napi);
2337 static irqreturn_t netxen_msi_intr(int irq, void *data)
2339 struct nx_host_sds_ring *sds_ring = data;
2340 struct netxen_adapter *adapter = sds_ring->adapter;
2342 /* clear interrupt */
2343 writel(0xffffffff, adapter->tgt_status_reg);
2345 napi_schedule(&sds_ring->napi);
2349 static irqreturn_t netxen_msix_intr(int irq, void *data)
2351 struct nx_host_sds_ring *sds_ring = data;
2353 napi_schedule(&sds_ring->napi);
2357 static int netxen_nic_poll(struct napi_struct *napi, int budget)
2359 struct nx_host_sds_ring *sds_ring =
2360 container_of(napi, struct nx_host_sds_ring, napi);
2362 struct netxen_adapter *adapter = sds_ring->adapter;
2367 tx_complete = netxen_process_cmd_ring(adapter);
2369 work_done = netxen_process_rcv_ring(sds_ring, budget);
2371 if ((work_done < budget) && tx_complete) {
2372 napi_complete(&sds_ring->napi);
2373 if (test_bit(__NX_DEV_UP, &adapter->state))
2374 netxen_nic_enable_int(sds_ring);
2380 #ifdef CONFIG_NET_POLL_CONTROLLER
2381 static void netxen_nic_poll_controller(struct net_device *netdev)
2384 struct nx_host_sds_ring *sds_ring;
2385 struct netxen_adapter *adapter = netdev_priv(netdev);
2386 struct netxen_recv_context *recv_ctx = &adapter->recv_ctx;
2388 disable_irq(adapter->irq);
2389 for (ring = 0; ring < adapter->max_sds_rings; ring++) {
2390 sds_ring = &recv_ctx->sds_rings[ring];
2391 netxen_intr(adapter->irq, sds_ring);
2393 enable_irq(adapter->irq);
2398 nx_incr_dev_ref_cnt(struct netxen_adapter *adapter)
2401 if (netxen_api_lock(adapter))
2404 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2406 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2408 netxen_api_unlock(adapter);
2413 nx_decr_dev_ref_cnt(struct netxen_adapter *adapter)
2416 if (netxen_api_lock(adapter))
2419 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2420 WARN_ON(count == 0);
2422 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2423 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2425 if (count == 0 && state != NX_DEV_FAILED)
2426 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2428 netxen_api_unlock(adapter);
2433 nx_dev_request_aer(struct netxen_adapter *adapter)
2438 if (netxen_api_lock(adapter))
2441 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2443 if (state == NX_DEV_NEED_AER)
2445 else if (state == NX_DEV_READY) {
2446 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_AER);
2450 netxen_api_unlock(adapter);
2455 nx_dev_request_reset(struct netxen_adapter *adapter)
2460 if (netxen_api_lock(adapter))
2463 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2465 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED)
2467 else if (state != NX_DEV_INITALIZING && state != NX_DEV_NEED_AER) {
2468 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_NEED_RESET);
2469 adapter->flags |= NETXEN_FW_RESET_OWNER;
2473 netxen_api_unlock(adapter);
2479 netxen_can_start_firmware(struct netxen_adapter *adapter)
2484 if (netxen_api_lock(adapter)) {
2485 nx_incr_dev_ref_cnt(adapter);
2489 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2491 if ((count < 0) || (count >= NX_MAX_PCI_FUNC))
2496 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_INITALIZING);
2499 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, ++count);
2501 netxen_api_unlock(adapter);
2507 netxen_schedule_work(struct netxen_adapter *adapter,
2508 work_func_t func, int delay)
2510 INIT_DELAYED_WORK(&adapter->fw_work, func);
2511 schedule_delayed_work(&adapter->fw_work, delay);
2515 netxen_cancel_fw_work(struct netxen_adapter *adapter)
2517 while (test_and_set_bit(__NX_RESETTING, &adapter->state))
2520 cancel_delayed_work_sync(&adapter->fw_work);
2524 netxen_attach_work(struct work_struct *work)
2526 struct netxen_adapter *adapter = container_of(work,
2527 struct netxen_adapter, fw_work.work);
2528 struct net_device *netdev = adapter->netdev;
2531 if (netif_running(netdev)) {
2532 err = netxen_nic_attach(adapter);
2536 err = netxen_nic_up(adapter, netdev);
2538 netxen_nic_detach(adapter);
2542 netxen_restore_indev_addr(netdev, NETDEV_UP);
2545 netif_device_attach(netdev);
2548 adapter->fw_fail_cnt = 0;
2549 clear_bit(__NX_RESETTING, &adapter->state);
2550 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2554 netxen_fwinit_work(struct work_struct *work)
2556 struct netxen_adapter *adapter = container_of(work,
2557 struct netxen_adapter, fw_work.work);
2560 dev_state = NXRD32(adapter, NX_CRB_DEV_STATE);
2561 if (adapter->flags & NETXEN_FW_RESET_OWNER) {
2562 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2563 WARN_ON(count == 0);
2565 if (adapter->mdump.md_enabled) {
2567 netxen_dump_fw(adapter);
2570 adapter->flags &= ~NETXEN_FW_RESET_OWNER;
2571 if (netxen_api_lock(adapter)) {
2572 clear_bit(__NX_RESETTING, &adapter->state);
2573 NXWR32(adapter, NX_CRB_DEV_STATE,
2577 count = NXRD32(adapter, NX_CRB_DEV_REF_COUNT);
2578 NXWR32(adapter, NX_CRB_DEV_REF_COUNT, --count);
2579 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_COLD);
2580 dev_state = NX_DEV_COLD;
2581 netxen_api_unlock(adapter);
2585 switch (dev_state) {
2588 if (!netxen_start_firmware(adapter)) {
2589 netxen_schedule_work(adapter, netxen_attach_work, 0);
2594 case NX_DEV_NEED_RESET:
2595 case NX_DEV_INITALIZING:
2596 netxen_schedule_work(adapter,
2597 netxen_fwinit_work, 2 * FW_POLL_DELAY);
2602 nx_incr_dev_ref_cnt(adapter);
2606 if (netxen_api_lock(adapter)) {
2607 clear_bit(__NX_RESETTING, &adapter->state);
2610 NXWR32(adapter, NX_CRB_DEV_STATE, NX_DEV_FAILED);
2611 netxen_api_unlock(adapter);
2612 dev_err(&adapter->pdev->dev, "%s: Device initialization Failed\n",
2613 adapter->netdev->name);
2615 clear_bit(__NX_RESETTING, &adapter->state);
2619 netxen_detach_work(struct work_struct *work)
2621 struct netxen_adapter *adapter = container_of(work,
2622 struct netxen_adapter, fw_work.work);
2623 struct net_device *netdev = adapter->netdev;
2624 int ref_cnt = 0, delay;
2627 netif_device_detach(netdev);
2629 netxen_nic_down(adapter, netdev);
2632 netxen_nic_detach(adapter);
2635 status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2637 if (status & NX_RCODE_FATAL_ERROR)
2640 if (adapter->temp == NX_TEMP_PANIC)
2643 if (!(adapter->flags & NETXEN_FW_RESET_OWNER))
2644 ref_cnt = nx_decr_dev_ref_cnt(adapter);
2646 if (ref_cnt == -EIO)
2649 delay = (ref_cnt == 0) ? 0 : (2 * FW_POLL_DELAY);
2651 adapter->fw_wait_cnt = 0;
2652 netxen_schedule_work(adapter, netxen_fwinit_work, delay);
2657 clear_bit(__NX_RESETTING, &adapter->state);
2661 netxen_check_health(struct netxen_adapter *adapter)
2663 u32 state, heartbit;
2665 struct net_device *netdev = adapter->netdev;
2667 state = NXRD32(adapter, NX_CRB_DEV_STATE);
2668 if (state == NX_DEV_NEED_AER)
2671 if (netxen_nic_check_temp(adapter))
2674 if (adapter->need_fw_reset) {
2675 if (nx_dev_request_reset(adapter))
2680 /* NX_DEV_NEED_RESET, this state can be marked in two cases
2681 * 1. Tx timeout 2. Fw hang
2682 * Send request to destroy context in case of tx timeout only
2683 * and doesn't required in case of Fw hang
2685 if (state == NX_DEV_NEED_RESET || state == NX_DEV_FAILED) {
2686 adapter->need_fw_reset = 1;
2687 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2691 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2694 heartbit = NXRD32(adapter, NETXEN_PEG_ALIVE_COUNTER);
2695 if (heartbit != adapter->heartbit) {
2696 adapter->heartbit = heartbit;
2697 adapter->fw_fail_cnt = 0;
2698 if (adapter->need_fw_reset)
2703 if (++adapter->fw_fail_cnt < FW_FAIL_THRESH)
2706 if (nx_dev_request_reset(adapter))
2709 clear_bit(__NX_FW_ATTACHED, &adapter->state);
2711 dev_err(&netdev->dev, "firmware hang detected\n");
2712 peg_status = NXRD32(adapter, NETXEN_PEG_HALT_STATUS1);
2713 dev_err(&adapter->pdev->dev, "Dumping hw/fw registers\n"
2714 "PEG_HALT_STATUS1: 0x%x, PEG_HALT_STATUS2: 0x%x,\n"
2715 "PEG_NET_0_PC: 0x%x, PEG_NET_1_PC: 0x%x,\n"
2716 "PEG_NET_2_PC: 0x%x, PEG_NET_3_PC: 0x%x,\n"
2717 "PEG_NET_4_PC: 0x%x\n",
2719 NXRD32(adapter, NETXEN_PEG_HALT_STATUS2),
2720 NXRD32(adapter, NETXEN_CRB_PEG_NET_0 + 0x3c),
2721 NXRD32(adapter, NETXEN_CRB_PEG_NET_1 + 0x3c),
2722 NXRD32(adapter, NETXEN_CRB_PEG_NET_2 + 0x3c),
2723 NXRD32(adapter, NETXEN_CRB_PEG_NET_3 + 0x3c),
2724 NXRD32(adapter, NETXEN_CRB_PEG_NET_4 + 0x3c));
2725 if (NX_FWERROR_PEGSTAT1(peg_status) == 0x67)
2726 dev_err(&adapter->pdev->dev,
2727 "Firmware aborted with error code 0x00006700. "
2728 "Device is being reset.\n");
2730 if ((auto_fw_reset == AUTO_FW_RESET_ENABLED) &&
2731 !test_and_set_bit(__NX_RESETTING, &adapter->state))
2732 netxen_schedule_work(adapter, netxen_detach_work, 0);
2737 netxen_fw_poll_work(struct work_struct *work)
2739 struct netxen_adapter *adapter = container_of(work,
2740 struct netxen_adapter, fw_work.work);
2742 if (test_bit(__NX_RESETTING, &adapter->state))
2745 if (test_bit(__NX_DEV_UP, &adapter->state)) {
2746 if (!adapter->has_link_events) {
2748 netxen_nic_handle_phy_intr(adapter);
2750 if (adapter->link_changed)
2751 netxen_nic_set_link_parameters(adapter);
2755 if (netxen_check_health(adapter))
2759 netxen_schedule_work(adapter, netxen_fw_poll_work, FW_POLL_DELAY);
2763 netxen_store_bridged_mode(struct device *dev,
2764 struct device_attribute *attr, const char *buf, size_t len)
2766 struct net_device *net = to_net_dev(dev);
2767 struct netxen_adapter *adapter = netdev_priv(net);
2771 if (!(adapter->capabilities & NX_FW_CAPABILITY_BDG))
2774 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
2777 if (kstrtoul(buf, 2, &new))
2780 if (!netxen_config_bridged_mode(adapter, !!new))
2788 netxen_show_bridged_mode(struct device *dev,
2789 struct device_attribute *attr, char *buf)
2791 struct net_device *net = to_net_dev(dev);
2792 struct netxen_adapter *adapter;
2793 int bridged_mode = 0;
2795 adapter = netdev_priv(net);
2797 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
2798 bridged_mode = !!(adapter->flags & NETXEN_NIC_BRIDGE_ENABLED);
2800 return sprintf(buf, "%d\n", bridged_mode);
2803 static struct device_attribute dev_attr_bridged_mode = {
2804 .attr = {.name = "bridged_mode", .mode = (S_IRUGO | S_IWUSR)},
2805 .show = netxen_show_bridged_mode,
2806 .store = netxen_store_bridged_mode,
2810 netxen_store_diag_mode(struct device *dev,
2811 struct device_attribute *attr, const char *buf, size_t len)
2813 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2816 if (kstrtoul(buf, 2, &new))
2819 if (!!new != !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2820 adapter->flags ^= NETXEN_NIC_DIAG_ENABLED;
2826 netxen_show_diag_mode(struct device *dev,
2827 struct device_attribute *attr, char *buf)
2829 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2831 return sprintf(buf, "%d\n",
2832 !!(adapter->flags & NETXEN_NIC_DIAG_ENABLED));
2835 static struct device_attribute dev_attr_diag_mode = {
2836 .attr = {.name = "diag_mode", .mode = (S_IRUGO | S_IWUSR)},
2837 .show = netxen_show_diag_mode,
2838 .store = netxen_store_diag_mode,
2842 netxen_sysfs_validate_crb(struct netxen_adapter *adapter,
2843 loff_t offset, size_t size)
2845 size_t crb_size = 4;
2847 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2850 if (offset < NETXEN_PCI_CRBSPACE) {
2851 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
2854 if (ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2855 NETXEN_PCI_CAMQM_2M_END))
2861 if ((size != crb_size) || (offset & (crb_size-1)))
2868 netxen_sysfs_read_crb(struct file *filp, struct kobject *kobj,
2869 struct bin_attribute *attr,
2870 char *buf, loff_t offset, size_t size)
2872 struct device *dev = container_of(kobj, struct device, kobj);
2873 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2878 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2882 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2883 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2884 NETXEN_PCI_CAMQM_2M_END)) {
2885 netxen_pci_camqm_read_2M(adapter, offset, &qmdata);
2886 memcpy(buf, &qmdata, size);
2888 data = NXRD32(adapter, offset);
2889 memcpy(buf, &data, size);
2896 netxen_sysfs_write_crb(struct file *filp, struct kobject *kobj,
2897 struct bin_attribute *attr,
2898 char *buf, loff_t offset, size_t size)
2900 struct device *dev = container_of(kobj, struct device, kobj);
2901 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2906 ret = netxen_sysfs_validate_crb(adapter, offset, size);
2910 if (NX_IS_REVISION_P3(adapter->ahw.revision_id) &&
2911 ADDR_IN_RANGE(offset, NETXEN_PCI_CAMQM,
2912 NETXEN_PCI_CAMQM_2M_END)) {
2913 memcpy(&qmdata, buf, size);
2914 netxen_pci_camqm_write_2M(adapter, offset, qmdata);
2916 memcpy(&data, buf, size);
2917 NXWR32(adapter, offset, data);
2924 netxen_sysfs_validate_mem(struct netxen_adapter *adapter,
2925 loff_t offset, size_t size)
2927 if (!(adapter->flags & NETXEN_NIC_DIAG_ENABLED))
2930 if ((size != 8) || (offset & 0x7))
2937 netxen_sysfs_read_mem(struct file *filp, struct kobject *kobj,
2938 struct bin_attribute *attr,
2939 char *buf, loff_t offset, size_t size)
2941 struct device *dev = container_of(kobj, struct device, kobj);
2942 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2946 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2950 if (adapter->pci_mem_read(adapter, offset, &data))
2953 memcpy(buf, &data, size);
2958 static ssize_t netxen_sysfs_write_mem(struct file *filp, struct kobject *kobj,
2959 struct bin_attribute *attr, char *buf,
2960 loff_t offset, size_t size)
2962 struct device *dev = container_of(kobj, struct device, kobj);
2963 struct netxen_adapter *adapter = dev_get_drvdata(dev);
2967 ret = netxen_sysfs_validate_mem(adapter, offset, size);
2971 memcpy(&data, buf, size);
2973 if (adapter->pci_mem_write(adapter, offset, data))
2980 static struct bin_attribute bin_attr_crb = {
2981 .attr = {.name = "crb", .mode = (S_IRUGO | S_IWUSR)},
2983 .read = netxen_sysfs_read_crb,
2984 .write = netxen_sysfs_write_crb,
2987 static struct bin_attribute bin_attr_mem = {
2988 .attr = {.name = "mem", .mode = (S_IRUGO | S_IWUSR)},
2990 .read = netxen_sysfs_read_mem,
2991 .write = netxen_sysfs_write_mem,
2995 netxen_sysfs_read_dimm(struct file *filp, struct kobject *kobj,
2996 struct bin_attribute *attr,
2997 char *buf, loff_t offset, size_t size)
2999 struct device *dev = container_of(kobj, struct device, kobj);
3000 struct netxen_adapter *adapter = dev_get_drvdata(dev);
3001 struct net_device *netdev = adapter->netdev;
3002 struct netxen_dimm_cfg dimm;
3003 u8 dw, rows, cols, banks, ranks;
3006 if (size != sizeof(struct netxen_dimm_cfg)) {
3007 netdev_err(netdev, "Invalid size\n");
3011 memset(&dimm, 0, sizeof(struct netxen_dimm_cfg));
3012 val = NXRD32(adapter, NETXEN_DIMM_CAPABILITY);
3014 /* Checks if DIMM info is valid. */
3015 if (val & NETXEN_DIMM_VALID_FLAG) {
3016 netdev_err(netdev, "Invalid DIMM flag\n");
3017 dimm.presence = 0xff;
3021 rows = NETXEN_DIMM_NUMROWS(val);
3022 cols = NETXEN_DIMM_NUMCOLS(val);
3023 ranks = NETXEN_DIMM_NUMRANKS(val);
3024 banks = NETXEN_DIMM_NUMBANKS(val);
3025 dw = NETXEN_DIMM_DATAWIDTH(val);
3027 dimm.presence = (val & NETXEN_DIMM_PRESENT);
3029 /* Checks if DIMM info is present. */
3030 if (!dimm.presence) {
3031 netdev_err(netdev, "DIMM not present\n");
3035 dimm.dimm_type = NETXEN_DIMM_TYPE(val);
3037 switch (dimm.dimm_type) {
3038 case NETXEN_DIMM_TYPE_RDIMM:
3039 case NETXEN_DIMM_TYPE_UDIMM:
3040 case NETXEN_DIMM_TYPE_SO_DIMM:
3041 case NETXEN_DIMM_TYPE_Micro_DIMM:
3042 case NETXEN_DIMM_TYPE_Mini_RDIMM:
3043 case NETXEN_DIMM_TYPE_Mini_UDIMM:
3046 netdev_err(netdev, "Invalid DIMM type %x\n", dimm.dimm_type);
3050 if (val & NETXEN_DIMM_MEMTYPE_DDR2_SDRAM)
3051 dimm.mem_type = NETXEN_DIMM_MEM_DDR2_SDRAM;
3053 dimm.mem_type = NETXEN_DIMM_MEMTYPE(val);
3055 if (val & NETXEN_DIMM_SIZE) {
3056 dimm.size = NETXEN_DIMM_STD_MEM_SIZE;
3061 netdev_err(netdev, "Invalid no of rows %x\n", rows);
3066 netdev_err(netdev, "Invalid no of columns %x\n", cols);
3071 netdev_err(netdev, "Invalid no of banks %x\n", banks);
3103 netdev_err(netdev, "Invalid data-width %x\n", dw);
3107 dimm.size = ((1 << rows) * (1 << cols) * dw * banks * ranks) / 8;
3108 /* Size returned in MB. */
3109 dimm.size = (dimm.size) / 0x100000;
3111 memcpy(buf, &dimm, sizeof(struct netxen_dimm_cfg));
3112 return sizeof(struct netxen_dimm_cfg);
3116 static struct bin_attribute bin_attr_dimm = {
3117 .attr = { .name = "dimm", .mode = (S_IRUGO | S_IWUSR) },
3119 .read = netxen_sysfs_read_dimm,
3124 netxen_create_sysfs_entries(struct netxen_adapter *adapter)
3126 struct device *dev = &adapter->pdev->dev;
3128 if (adapter->capabilities & NX_FW_CAPABILITY_BDG) {
3129 /* bridged_mode control */
3130 if (device_create_file(dev, &dev_attr_bridged_mode)) {
3132 "failed to create bridged_mode sysfs entry\n");
3138 netxen_remove_sysfs_entries(struct netxen_adapter *adapter)
3140 struct device *dev = &adapter->pdev->dev;
3142 if (adapter->capabilities & NX_FW_CAPABILITY_BDG)
3143 device_remove_file(dev, &dev_attr_bridged_mode);
3147 netxen_create_diag_entries(struct netxen_adapter *adapter)
3149 struct pci_dev *pdev = adapter->pdev;
3153 if (device_create_file(dev, &dev_attr_diag_mode))
3154 dev_info(dev, "failed to create diag_mode sysfs entry\n");
3155 if (device_create_bin_file(dev, &bin_attr_crb))
3156 dev_info(dev, "failed to create crb sysfs entry\n");
3157 if (device_create_bin_file(dev, &bin_attr_mem))
3158 dev_info(dev, "failed to create mem sysfs entry\n");
3159 if (device_create_bin_file(dev, &bin_attr_dimm))
3160 dev_info(dev, "failed to create dimm sysfs entry\n");
3165 netxen_remove_diag_entries(struct netxen_adapter *adapter)
3167 struct pci_dev *pdev = adapter->pdev;
3168 struct device *dev = &pdev->dev;
3170 device_remove_file(dev, &dev_attr_diag_mode);
3171 device_remove_bin_file(dev, &bin_attr_crb);
3172 device_remove_bin_file(dev, &bin_attr_mem);
3173 device_remove_bin_file(dev, &bin_attr_dimm);
3178 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
3181 netxen_destip_supported(struct netxen_adapter *adapter)
3183 if (NX_IS_REVISION_P2(adapter->ahw.revision_id))
3186 if (adapter->ahw.cut_through)
3193 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3195 struct nx_ip_list *cur, *tmp_cur;
3197 list_for_each_entry_safe(cur, tmp_cur, &adapter->ip_list, list) {
3200 netxen_config_ipaddr(adapter, cur->ip_addr,
3202 list_del(&cur->list);
3206 netxen_config_ipaddr(adapter, cur->ip_addr, NX_IP_DOWN);
3207 list_del(&cur->list);
3214 netxen_list_config_ip(struct netxen_adapter *adapter,
3215 struct in_ifaddr *ifa, unsigned long event)
3217 struct net_device *dev;
3218 struct nx_ip_list *cur, *tmp_cur;
3219 struct list_head *head;
3222 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3229 list_for_each(head, &adapter->ip_list) {
3230 cur = list_entry(head, struct nx_ip_list, list);
3232 if (cur->ip_addr == ifa->ifa_address)
3236 cur = kzalloc(sizeof(struct nx_ip_list), GFP_ATOMIC);
3239 if (dev->priv_flags & IFF_802_1Q_VLAN)
3240 dev = vlan_dev_real_dev(dev);
3241 cur->master = !!netif_is_bond_master(dev);
3242 cur->ip_addr = ifa->ifa_address;
3243 list_add_tail(&cur->list, &adapter->ip_list);
3244 netxen_config_ipaddr(adapter, ifa->ifa_address, NX_IP_UP);
3248 list_for_each_entry_safe(cur, tmp_cur,
3249 &adapter->ip_list, list) {
3250 if (cur->ip_addr == ifa->ifa_address) {
3251 list_del(&cur->list);
3253 netxen_config_ipaddr(adapter, ifa->ifa_address,
3265 netxen_config_indev_addr(struct netxen_adapter *adapter,
3266 struct net_device *dev, unsigned long event)
3268 struct in_device *indev;
3270 if (!netxen_destip_supported(adapter))
3273 indev = in_dev_get(dev);
3280 netxen_list_config_ip(adapter, ifa, NX_IP_UP);
3283 netxen_list_config_ip(adapter, ifa, NX_IP_DOWN);
3288 } endfor_ifa(indev);
3294 netxen_restore_indev_addr(struct net_device *netdev, unsigned long event)
3297 struct netxen_adapter *adapter = netdev_priv(netdev);
3298 struct nx_ip_list *pos, *tmp_pos;
3299 unsigned long ip_event;
3301 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3302 netxen_config_indev_addr(adapter, netdev, event);
3304 list_for_each_entry_safe(pos, tmp_pos, &adapter->ip_list, list) {
3305 netxen_config_ipaddr(adapter, pos->ip_addr, ip_event);
3310 netxen_config_checkdev(struct net_device *dev)
3312 struct netxen_adapter *adapter;
3314 if (!is_netxen_netdev(dev))
3316 adapter = netdev_priv(dev);
3319 if (!netxen_destip_supported(adapter))
3321 if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
3328 * netxen_config_master - configure addresses based on master
3329 * @dev: netxen device
3330 * @event: netdev event
3332 static void netxen_config_master(struct net_device *dev, unsigned long event)
3334 struct net_device *master, *slave;
3335 struct netxen_adapter *adapter = netdev_priv(dev);
3338 master = netdev_master_upper_dev_get_rcu(dev);
3340 * This is the case where the netxen nic is being
3341 * enslaved and is dev_open()ed in bond_enslave()
3342 * Now we should program the bond's (and its vlans')
3343 * addresses in the netxen NIC.
3345 if (master && netif_is_bond_master(master) &&
3346 !netif_is_bond_slave(dev)) {
3347 netxen_config_indev_addr(adapter, master, event);
3348 for_each_netdev_rcu(&init_net, slave)
3349 if (slave->priv_flags & IFF_802_1Q_VLAN &&
3350 vlan_dev_real_dev(slave) == master)
3351 netxen_config_indev_addr(adapter, slave, event);
3355 * This is the case where the netxen nic is being
3356 * released and is dev_close()ed in bond_release()
3357 * just before IFF_BONDING is stripped.
3359 if (!master && dev->priv_flags & IFF_BONDING)
3360 netxen_free_ip_list(adapter, true);
3363 static int netxen_netdev_event(struct notifier_block *this,
3364 unsigned long event, void *ptr)
3366 struct netxen_adapter *adapter;
3367 struct net_device *dev = netdev_notifier_info_to_dev(ptr);
3368 struct net_device *orig_dev = dev;
3369 struct net_device *slave;
3375 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3376 dev = vlan_dev_real_dev(dev);
3379 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3380 /* If this is a bonding device, look for netxen-based slaves*/
3381 if (netif_is_bond_master(dev)) {
3383 for_each_netdev_in_bond_rcu(dev, slave) {
3384 if (!netxen_config_checkdev(slave))
3386 adapter = netdev_priv(slave);
3387 netxen_config_indev_addr(adapter,
3392 if (!netxen_config_checkdev(dev))
3394 adapter = netdev_priv(dev);
3395 /* Act only if the actual netxen is the target */
3396 if (orig_dev == dev)
3397 netxen_config_master(dev, event);
3398 netxen_config_indev_addr(adapter, orig_dev, event);
3406 netxen_inetaddr_event(struct notifier_block *this,
3407 unsigned long event, void *ptr)
3409 struct netxen_adapter *adapter;
3410 struct net_device *dev, *slave;
3411 struct in_ifaddr *ifa = (struct in_ifaddr *)ptr;
3412 unsigned long ip_event;
3414 dev = ifa->ifa_dev ? ifa->ifa_dev->dev : NULL;
3415 ip_event = (event == NETDEV_UP) ? NX_IP_UP : NX_IP_DOWN;
3420 if (dev->priv_flags & IFF_802_1Q_VLAN) {
3421 dev = vlan_dev_real_dev(dev);
3424 if (event == NETDEV_UP || event == NETDEV_DOWN) {
3425 /* If this is a bonding device, look for netxen-based slaves*/
3426 if (netif_is_bond_master(dev)) {
3428 for_each_netdev_in_bond_rcu(dev, slave) {
3429 if (!netxen_config_checkdev(slave))
3431 adapter = netdev_priv(slave);
3432 netxen_list_config_ip(adapter, ifa, ip_event);
3436 if (!netxen_config_checkdev(dev))
3438 adapter = netdev_priv(dev);
3439 netxen_list_config_ip(adapter, ifa, ip_event);
3446 static struct notifier_block netxen_netdev_cb = {
3447 .notifier_call = netxen_netdev_event,
3450 static struct notifier_block netxen_inetaddr_cb = {
3451 .notifier_call = netxen_inetaddr_event,
3455 netxen_restore_indev_addr(struct net_device *dev, unsigned long event)
3458 netxen_free_ip_list(struct netxen_adapter *adapter, bool master)
3462 static const struct pci_error_handlers netxen_err_handler = {
3463 .error_detected = netxen_io_error_detected,
3464 .slot_reset = netxen_io_slot_reset,
3465 .resume = netxen_io_resume,
3468 static struct pci_driver netxen_driver = {
3469 .name = netxen_nic_driver_name,
3470 .id_table = netxen_pci_tbl,
3471 .probe = netxen_nic_probe,
3472 .remove = netxen_nic_remove,
3474 .suspend = netxen_nic_suspend,
3475 .resume = netxen_nic_resume,
3477 .shutdown = netxen_nic_shutdown,
3478 .err_handler = &netxen_err_handler
3481 static int __init netxen_init_module(void)
3483 printk(KERN_INFO "%s\n", netxen_nic_driver_string);
3486 register_netdevice_notifier(&netxen_netdev_cb);
3487 register_inetaddr_notifier(&netxen_inetaddr_cb);
3489 return pci_register_driver(&netxen_driver);
3492 module_init(netxen_init_module);
3494 static void __exit netxen_exit_module(void)
3496 pci_unregister_driver(&netxen_driver);
3499 unregister_inetaddr_notifier(&netxen_inetaddr_cb);
3500 unregister_netdevice_notifier(&netxen_netdev_cb);
3504 module_exit(netxen_exit_module);