2 * Copyright (C) 2003 - 2009 NetXen, Inc.
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
20 * The full GNU General Public License is included in this distribution
21 * in the file called LICENSE.
23 * Contact Information:
27 * Cupertino, CA 95014-0701
31 #include <linux/vmalloc.h>
32 #include <linux/interrupt.h>
33 #include "netxen_nic_hw.h"
35 #include "netxen_nic.h"
37 #include <linux/dma-mapping.h>
38 #include <linux/if_vlan.h>
40 #include <linux/ipv6.h>
41 #include <linux/inetdevice.h>
43 MODULE_DESCRIPTION("NetXen Multi port (1/10) Gigabit Network Driver");
44 MODULE_LICENSE("GPL");
45 MODULE_VERSION(NETXEN_NIC_LINUX_VERSIONID
);
47 char netxen_nic_driver_name
[] = "netxen_nic";
48 static char netxen_nic_driver_string
[] = "NetXen Network Driver version "
49 NETXEN_NIC_LINUX_VERSIONID
;
51 static int port_mode
= NETXEN_PORT_MODE_AUTO_NEG
;
53 /* Default to restricted 1G auto-neg mode */
54 static int wol_port_mode
= 5;
56 static int use_msi
= 1;
58 static int use_msi_x
= 1;
60 /* Local functions to NetXen NIC driver */
61 static int __devinit
netxen_nic_probe(struct pci_dev
*pdev
,
62 const struct pci_device_id
*ent
);
63 static void __devexit
netxen_nic_remove(struct pci_dev
*pdev
);
64 static int netxen_nic_open(struct net_device
*netdev
);
65 static int netxen_nic_close(struct net_device
*netdev
);
66 static netdev_tx_t
netxen_nic_xmit_frame(struct sk_buff
*,
68 static void netxen_tx_timeout(struct net_device
*netdev
);
69 static void netxen_reset_task(struct work_struct
*work
);
70 static void netxen_watchdog(unsigned long);
71 static int netxen_nic_poll(struct napi_struct
*napi
, int budget
);
72 #ifdef CONFIG_NET_POLL_CONTROLLER
73 static void netxen_nic_poll_controller(struct net_device
*netdev
);
76 static void netxen_create_sysfs_entries(struct netxen_adapter
*adapter
);
77 static void netxen_remove_sysfs_entries(struct netxen_adapter
*adapter
);
79 static irqreturn_t
netxen_intr(int irq
, void *data
);
80 static irqreturn_t
netxen_msi_intr(int irq
, void *data
);
81 static irqreturn_t
netxen_msix_intr(int irq
, void *data
);
83 /* PCI Device ID Table */
84 #define ENTRY(device) \
85 {PCI_DEVICE(PCI_VENDOR_ID_NETXEN, (device)), \
86 .class = PCI_CLASS_NETWORK_ETHERNET << 8, .class_mask = ~0}
88 static struct pci_device_id netxen_pci_tbl
[] __devinitdata
= {
89 ENTRY(PCI_DEVICE_ID_NX2031_10GXSR
),
90 ENTRY(PCI_DEVICE_ID_NX2031_10GCX4
),
91 ENTRY(PCI_DEVICE_ID_NX2031_4GCU
),
92 ENTRY(PCI_DEVICE_ID_NX2031_IMEZ
),
93 ENTRY(PCI_DEVICE_ID_NX2031_HMEZ
),
94 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT
),
95 ENTRY(PCI_DEVICE_ID_NX2031_XG_MGMT2
),
96 ENTRY(PCI_DEVICE_ID_NX3031
),
100 MODULE_DEVICE_TABLE(pci
, netxen_pci_tbl
);
102 static uint32_t crb_cmd_producer
[4] = {
103 CRB_CMD_PRODUCER_OFFSET
, CRB_CMD_PRODUCER_OFFSET_1
,
104 CRB_CMD_PRODUCER_OFFSET_2
, CRB_CMD_PRODUCER_OFFSET_3
108 netxen_nic_update_cmd_producer(struct netxen_adapter
*adapter
,
109 struct nx_host_tx_ring
*tx_ring
)
111 NXWR32(adapter
, tx_ring
->crb_cmd_producer
, tx_ring
->producer
);
113 if (netxen_tx_avail(tx_ring
) <= TX_STOP_THRESH
) {
114 netif_stop_queue(adapter
->netdev
);
119 static uint32_t crb_cmd_consumer
[4] = {
120 CRB_CMD_CONSUMER_OFFSET
, CRB_CMD_CONSUMER_OFFSET_1
,
121 CRB_CMD_CONSUMER_OFFSET_2
, CRB_CMD_CONSUMER_OFFSET_3
125 netxen_nic_update_cmd_consumer(struct netxen_adapter
*adapter
,
126 struct nx_host_tx_ring
*tx_ring
)
128 NXWR32(adapter
, tx_ring
->crb_cmd_consumer
, tx_ring
->sw_consumer
);
131 static uint32_t msi_tgt_status
[8] = {
132 ISR_INT_TARGET_STATUS
, ISR_INT_TARGET_STATUS_F1
,
133 ISR_INT_TARGET_STATUS_F2
, ISR_INT_TARGET_STATUS_F3
,
134 ISR_INT_TARGET_STATUS_F4
, ISR_INT_TARGET_STATUS_F5
,
135 ISR_INT_TARGET_STATUS_F6
, ISR_INT_TARGET_STATUS_F7
138 static struct netxen_legacy_intr_set legacy_intr
[] = NX_LEGACY_INTR_CONFIG
;
140 static inline void netxen_nic_disable_int(struct nx_host_sds_ring
*sds_ring
)
142 struct netxen_adapter
*adapter
= sds_ring
->adapter
;
144 NXWR32(adapter
, sds_ring
->crb_intr_mask
, 0);
147 static inline void netxen_nic_enable_int(struct nx_host_sds_ring
*sds_ring
)
149 struct netxen_adapter
*adapter
= sds_ring
->adapter
;
151 NXWR32(adapter
, sds_ring
->crb_intr_mask
, 0x1);
153 if (!NETXEN_IS_MSI_FAMILY(adapter
))
154 adapter
->pci_write_immediate(adapter
,
155 adapter
->legacy_intr
.tgt_mask_reg
, 0xfbff);
159 netxen_alloc_sds_rings(struct netxen_recv_context
*recv_ctx
, int count
)
161 int size
= sizeof(struct nx_host_sds_ring
) * count
;
163 recv_ctx
->sds_rings
= kzalloc(size
, GFP_KERNEL
);
165 return (recv_ctx
->sds_rings
== NULL
);
169 netxen_free_sds_rings(struct netxen_recv_context
*recv_ctx
)
171 if (recv_ctx
->sds_rings
!= NULL
)
172 kfree(recv_ctx
->sds_rings
);
174 recv_ctx
->sds_rings
= NULL
;
178 netxen_napi_add(struct netxen_adapter
*adapter
, struct net_device
*netdev
)
181 struct nx_host_sds_ring
*sds_ring
;
182 struct netxen_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
184 if (netxen_alloc_sds_rings(recv_ctx
, adapter
->max_sds_rings
))
187 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
188 sds_ring
= &recv_ctx
->sds_rings
[ring
];
189 netif_napi_add(netdev
, &sds_ring
->napi
,
190 netxen_nic_poll
, NETXEN_NETDEV_WEIGHT
);
197 netxen_napi_del(struct netxen_adapter
*adapter
)
200 struct nx_host_sds_ring
*sds_ring
;
201 struct netxen_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
203 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
204 sds_ring
= &recv_ctx
->sds_rings
[ring
];
205 netif_napi_del(&sds_ring
->napi
);
208 netxen_free_sds_rings(&adapter
->recv_ctx
);
212 netxen_napi_enable(struct netxen_adapter
*adapter
)
215 struct nx_host_sds_ring
*sds_ring
;
216 struct netxen_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
218 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
219 sds_ring
= &recv_ctx
->sds_rings
[ring
];
220 napi_enable(&sds_ring
->napi
);
221 netxen_nic_enable_int(sds_ring
);
226 netxen_napi_disable(struct netxen_adapter
*adapter
)
229 struct nx_host_sds_ring
*sds_ring
;
230 struct netxen_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
232 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
233 sds_ring
= &recv_ctx
->sds_rings
[ring
];
234 netxen_nic_disable_int(sds_ring
);
235 napi_synchronize(&sds_ring
->napi
);
236 napi_disable(&sds_ring
->napi
);
240 static int nx_set_dma_mask(struct netxen_adapter
*adapter
)
242 struct pci_dev
*pdev
= adapter
->pdev
;
243 uint64_t mask
, cmask
;
245 adapter
->pci_using_dac
= 0;
247 mask
= DMA_BIT_MASK(32);
248 cmask
= DMA_BIT_MASK(32);
250 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
)) {
252 mask
= DMA_BIT_MASK(35);
255 mask
= DMA_BIT_MASK(39);
259 if (pci_set_dma_mask(pdev
, mask
) == 0 &&
260 pci_set_consistent_dma_mask(pdev
, cmask
) == 0) {
261 adapter
->pci_using_dac
= 1;
268 /* Update addressable range if firmware supports it */
270 nx_update_dma_mask(struct netxen_adapter
*adapter
)
272 int change
, shift
, err
;
273 uint64_t mask
, old_mask
, old_cmask
;
274 struct pci_dev
*pdev
= adapter
->pdev
;
278 shift
= NXRD32(adapter
, CRB_DMA_SHIFT
);
282 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
) && (shift
> 9))
284 else if ((adapter
->ahw
.revision_id
== NX_P2_C1
) && (shift
<= 4))
288 old_mask
= pdev
->dma_mask
;
289 old_cmask
= pdev
->dev
.coherent_dma_mask
;
291 mask
= DMA_BIT_MASK(32+shift
);
293 err
= pci_set_dma_mask(pdev
, mask
);
297 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
)) {
299 err
= pci_set_consistent_dma_mask(pdev
, mask
);
303 dev_info(&pdev
->dev
, "using %d-bit dma mask\n", 32+shift
);
309 pci_set_dma_mask(pdev
, old_mask
);
310 pci_set_consistent_dma_mask(pdev
, old_cmask
);
315 netxen_check_options(struct netxen_adapter
*adapter
)
317 if (adapter
->ahw
.port_type
== NETXEN_NIC_XGBE
) {
318 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_10G
;
319 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_10G
;
320 } else if (adapter
->ahw
.port_type
== NETXEN_NIC_GBE
) {
321 adapter
->num_rxd
= DEFAULT_RCV_DESCRIPTORS_1G
;
322 adapter
->num_jumbo_rxd
= MAX_JUMBO_RCV_DESCRIPTORS_1G
;
325 adapter
->msix_supported
= 0;
326 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
)) {
327 adapter
->msix_supported
= !!use_msi_x
;
328 adapter
->rss_supported
= !!use_msi_x
;
329 } else if (adapter
->fw_version
>= NETXEN_VERSION_CODE(3, 4, 336)) {
330 switch (adapter
->ahw
.board_type
) {
331 case NETXEN_BRDTYPE_P2_SB31_10G
:
332 case NETXEN_BRDTYPE_P2_SB31_10G_CX4
:
333 adapter
->msix_supported
= !!use_msi_x
;
334 adapter
->rss_supported
= !!use_msi_x
;
341 adapter
->num_txd
= MAX_CMD_DESCRIPTORS
;
343 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
)) {
344 adapter
->num_lro_rxd
= MAX_LRO_RCV_DESCRIPTORS
;
345 adapter
->max_rds_rings
= 3;
347 adapter
->num_lro_rxd
= 0;
348 adapter
->max_rds_rings
= 2;
353 netxen_check_hw_init(struct netxen_adapter
*adapter
, int first_boot
)
357 if (first_boot
== 0x55555555) {
358 /* This is the first boot after power up */
359 NXWR32(adapter
, NETXEN_CAM_RAM(0x1fc), NETXEN_BDINFO_MAGIC
);
361 if (!NX_IS_REVISION_P2(adapter
->ahw
.revision_id
))
364 /* PCI bus master workaround */
365 first_boot
= NXRD32(adapter
, NETXEN_PCIE_REG(0x4));
366 if (!(first_boot
& 0x4)) {
368 NXWR32(adapter
, NETXEN_PCIE_REG(0x4), first_boot
);
369 first_boot
= NXRD32(adapter
, NETXEN_PCIE_REG(0x4));
372 /* This is the first boot after power up */
373 first_boot
= NXRD32(adapter
, NETXEN_ROMUSB_GLB_SW_RESET
);
374 if (first_boot
!= 0x80000f) {
375 /* clear the register for future unloads/loads */
376 NXWR32(adapter
, NETXEN_CAM_RAM(0x1fc), 0);
380 /* Start P2 boot loader */
381 val
= NXRD32(adapter
, NETXEN_ROMUSB_GLB_PEGTUNE_DONE
);
382 NXWR32(adapter
, NETXEN_ROMUSB_GLB_PEGTUNE_DONE
, val
| 0x1);
386 val
= NXRD32(adapter
, NETXEN_CAM_RAM(0x1fc));
388 if (++timeout
> 5000)
391 } while (val
== NETXEN_BDINFO_MAGIC
);
396 static void netxen_set_port_mode(struct netxen_adapter
*adapter
)
400 val
= adapter
->ahw
.board_type
;
401 if ((val
== NETXEN_BRDTYPE_P3_HMEZ
) ||
402 (val
== NETXEN_BRDTYPE_P3_XG_LOM
)) {
403 if (port_mode
== NETXEN_PORT_MODE_802_3_AP
) {
404 data
= NETXEN_PORT_MODE_802_3_AP
;
405 NXWR32(adapter
, NETXEN_PORT_MODE_ADDR
, data
);
406 } else if (port_mode
== NETXEN_PORT_MODE_XG
) {
407 data
= NETXEN_PORT_MODE_XG
;
408 NXWR32(adapter
, NETXEN_PORT_MODE_ADDR
, data
);
409 } else if (port_mode
== NETXEN_PORT_MODE_AUTO_NEG_1G
) {
410 data
= NETXEN_PORT_MODE_AUTO_NEG_1G
;
411 NXWR32(adapter
, NETXEN_PORT_MODE_ADDR
, data
);
412 } else if (port_mode
== NETXEN_PORT_MODE_AUTO_NEG_XG
) {
413 data
= NETXEN_PORT_MODE_AUTO_NEG_XG
;
414 NXWR32(adapter
, NETXEN_PORT_MODE_ADDR
, data
);
416 data
= NETXEN_PORT_MODE_AUTO_NEG
;
417 NXWR32(adapter
, NETXEN_PORT_MODE_ADDR
, data
);
420 if ((wol_port_mode
!= NETXEN_PORT_MODE_802_3_AP
) &&
421 (wol_port_mode
!= NETXEN_PORT_MODE_XG
) &&
422 (wol_port_mode
!= NETXEN_PORT_MODE_AUTO_NEG_1G
) &&
423 (wol_port_mode
!= NETXEN_PORT_MODE_AUTO_NEG_XG
)) {
424 wol_port_mode
= NETXEN_PORT_MODE_AUTO_NEG
;
426 NXWR32(adapter
, NETXEN_WOL_PORT_MODE
, wol_port_mode
);
430 static void netxen_set_msix_bit(struct pci_dev
*pdev
, int enable
)
435 pos
= pci_find_capability(pdev
, PCI_CAP_ID_MSIX
);
437 pci_read_config_dword(pdev
, pos
, &control
);
439 control
|= PCI_MSIX_FLAGS_ENABLE
;
442 pci_write_config_dword(pdev
, pos
, control
);
446 static void netxen_init_msix_entries(struct netxen_adapter
*adapter
, int count
)
450 for (i
= 0; i
< count
; i
++)
451 adapter
->msix_entries
[i
].entry
= i
;
455 netxen_read_mac_addr(struct netxen_adapter
*adapter
)
460 struct net_device
*netdev
= adapter
->netdev
;
461 struct pci_dev
*pdev
= adapter
->pdev
;
463 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
)) {
464 if (netxen_p3_get_mac_addr(adapter
, &mac_addr
) != 0)
467 if (netxen_get_flash_mac_addr(adapter
, &mac_addr
) != 0)
471 p
= (unsigned char *)&mac_addr
;
472 for (i
= 0; i
< 6; i
++)
473 netdev
->dev_addr
[i
] = *(p
+ 5 - i
);
475 memcpy(netdev
->perm_addr
, netdev
->dev_addr
, netdev
->addr_len
);
477 /* set station address */
479 if (!is_valid_ether_addr(netdev
->perm_addr
))
480 dev_warn(&pdev
->dev
, "Bad MAC address %pM.\n", netdev
->dev_addr
);
485 int netxen_nic_set_mac(struct net_device
*netdev
, void *p
)
487 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
488 struct sockaddr
*addr
= p
;
490 if (!is_valid_ether_addr(addr
->sa_data
))
493 if (netif_running(netdev
)) {
494 netif_device_detach(netdev
);
495 netxen_napi_disable(adapter
);
498 memcpy(netdev
->dev_addr
, addr
->sa_data
, netdev
->addr_len
);
499 adapter
->macaddr_set(adapter
, addr
->sa_data
);
501 if (netif_running(netdev
)) {
502 netif_device_attach(netdev
);
503 netxen_napi_enable(adapter
);
508 static void netxen_set_multicast_list(struct net_device
*dev
)
510 struct netxen_adapter
*adapter
= netdev_priv(dev
);
512 adapter
->set_multi(dev
);
515 static const struct net_device_ops netxen_netdev_ops
= {
516 .ndo_open
= netxen_nic_open
,
517 .ndo_stop
= netxen_nic_close
,
518 .ndo_start_xmit
= netxen_nic_xmit_frame
,
519 .ndo_get_stats
= netxen_nic_get_stats
,
520 .ndo_validate_addr
= eth_validate_addr
,
521 .ndo_set_multicast_list
= netxen_set_multicast_list
,
522 .ndo_set_mac_address
= netxen_nic_set_mac
,
523 .ndo_change_mtu
= netxen_nic_change_mtu
,
524 .ndo_tx_timeout
= netxen_tx_timeout
,
525 #ifdef CONFIG_NET_POLL_CONTROLLER
526 .ndo_poll_controller
= netxen_nic_poll_controller
,
531 netxen_setup_intr(struct netxen_adapter
*adapter
)
533 struct netxen_legacy_intr_set
*legacy_intrp
;
534 struct pci_dev
*pdev
= adapter
->pdev
;
537 if (adapter
->rss_supported
) {
538 num_msix
= (num_online_cpus() >= MSIX_ENTRIES_PER_ADAPTER
) ?
539 MSIX_ENTRIES_PER_ADAPTER
: 2;
543 adapter
->max_sds_rings
= 1;
545 adapter
->flags
&= ~(NETXEN_NIC_MSI_ENABLED
| NETXEN_NIC_MSIX_ENABLED
);
547 if (adapter
->ahw
.revision_id
>= NX_P3_B0
)
548 legacy_intrp
= &legacy_intr
[adapter
->ahw
.pci_func
];
550 legacy_intrp
= &legacy_intr
[0];
551 adapter
->legacy_intr
.int_vec_bit
= legacy_intrp
->int_vec_bit
;
552 adapter
->legacy_intr
.tgt_status_reg
= legacy_intrp
->tgt_status_reg
;
553 adapter
->legacy_intr
.tgt_mask_reg
= legacy_intrp
->tgt_mask_reg
;
554 adapter
->legacy_intr
.pci_int_reg
= legacy_intrp
->pci_int_reg
;
556 netxen_set_msix_bit(pdev
, 0);
558 if (adapter
->msix_supported
) {
560 netxen_init_msix_entries(adapter
, num_msix
);
561 err
= pci_enable_msix(pdev
, adapter
->msix_entries
, num_msix
);
563 adapter
->flags
|= NETXEN_NIC_MSIX_ENABLED
;
564 netxen_set_msix_bit(pdev
, 1);
566 if (adapter
->rss_supported
)
567 adapter
->max_sds_rings
= num_msix
;
569 dev_info(&pdev
->dev
, "using msi-x interrupts\n");
574 pci_disable_msix(pdev
);
576 /* fall through for msi */
579 if (use_msi
&& !pci_enable_msi(pdev
)) {
580 adapter
->flags
|= NETXEN_NIC_MSI_ENABLED
;
581 adapter
->msi_tgt_status
=
582 msi_tgt_status
[adapter
->ahw
.pci_func
];
583 dev_info(&pdev
->dev
, "using msi interrupts\n");
584 adapter
->msix_entries
[0].vector
= pdev
->irq
;
588 dev_info(&pdev
->dev
, "using legacy interrupts\n");
589 adapter
->msix_entries
[0].vector
= pdev
->irq
;
593 netxen_teardown_intr(struct netxen_adapter
*adapter
)
595 if (adapter
->flags
& NETXEN_NIC_MSIX_ENABLED
)
596 pci_disable_msix(adapter
->pdev
);
597 if (adapter
->flags
& NETXEN_NIC_MSI_ENABLED
)
598 pci_disable_msi(adapter
->pdev
);
602 netxen_cleanup_pci_map(struct netxen_adapter
*adapter
)
604 if (adapter
->ahw
.db_base
!= NULL
)
605 iounmap(adapter
->ahw
.db_base
);
606 if (adapter
->ahw
.pci_base0
!= NULL
)
607 iounmap(adapter
->ahw
.pci_base0
);
608 if (adapter
->ahw
.pci_base1
!= NULL
)
609 iounmap(adapter
->ahw
.pci_base1
);
610 if (adapter
->ahw
.pci_base2
!= NULL
)
611 iounmap(adapter
->ahw
.pci_base2
);
615 netxen_setup_pci_map(struct netxen_adapter
*adapter
)
617 void __iomem
*mem_ptr0
= NULL
;
618 void __iomem
*mem_ptr1
= NULL
;
619 void __iomem
*mem_ptr2
= NULL
;
620 void __iomem
*db_ptr
= NULL
;
622 unsigned long mem_base
, mem_len
, db_base
, db_len
= 0, pci_len0
= 0;
624 struct pci_dev
*pdev
= adapter
->pdev
;
625 int pci_func
= adapter
->ahw
.pci_func
;
630 * Set the CRB window to invalid. If any register in window 0 is
631 * accessed it should set the window to 0 and then reset it to 1.
633 adapter
->curr_window
= 255;
634 adapter
->ahw
.qdr_sn_window
= -1;
635 adapter
->ahw
.ddr_mn_window
= -1;
637 /* remap phys address */
638 mem_base
= pci_resource_start(pdev
, 0); /* 0 is for BAR 0 */
639 mem_len
= pci_resource_len(pdev
, 0);
642 adapter
->hw_write_wx
= netxen_nic_hw_write_wx_128M
;
643 adapter
->hw_read_wx
= netxen_nic_hw_read_wx_128M
;
644 adapter
->pci_read_immediate
= netxen_nic_pci_read_immediate_128M
;
645 adapter
->pci_write_immediate
= netxen_nic_pci_write_immediate_128M
;
646 adapter
->pci_set_window
= netxen_nic_pci_set_window_128M
;
647 adapter
->pci_mem_read
= netxen_nic_pci_mem_read_128M
;
648 adapter
->pci_mem_write
= netxen_nic_pci_mem_write_128M
;
650 /* 128 Meg of memory */
651 if (mem_len
== NETXEN_PCI_128MB_SIZE
) {
652 mem_ptr0
= ioremap(mem_base
, FIRST_PAGE_GROUP_SIZE
);
653 mem_ptr1
= ioremap(mem_base
+ SECOND_PAGE_GROUP_START
,
654 SECOND_PAGE_GROUP_SIZE
);
655 mem_ptr2
= ioremap(mem_base
+ THIRD_PAGE_GROUP_START
,
656 THIRD_PAGE_GROUP_SIZE
);
657 } else if (mem_len
== NETXEN_PCI_32MB_SIZE
) {
658 mem_ptr1
= ioremap(mem_base
, SECOND_PAGE_GROUP_SIZE
);
659 mem_ptr2
= ioremap(mem_base
+ THIRD_PAGE_GROUP_START
-
660 SECOND_PAGE_GROUP_START
, THIRD_PAGE_GROUP_SIZE
);
661 } else if (mem_len
== NETXEN_PCI_2MB_SIZE
) {
662 adapter
->hw_write_wx
= netxen_nic_hw_write_wx_2M
;
663 adapter
->hw_read_wx
= netxen_nic_hw_read_wx_2M
;
664 adapter
->pci_read_immediate
= netxen_nic_pci_read_immediate_2M
;
665 adapter
->pci_write_immediate
=
666 netxen_nic_pci_write_immediate_2M
;
667 adapter
->pci_set_window
= netxen_nic_pci_set_window_2M
;
668 adapter
->pci_mem_read
= netxen_nic_pci_mem_read_2M
;
669 adapter
->pci_mem_write
= netxen_nic_pci_mem_write_2M
;
671 mem_ptr0
= pci_ioremap_bar(pdev
, 0);
672 if (mem_ptr0
== NULL
) {
673 dev_err(&pdev
->dev
, "failed to map PCI bar 0\n");
678 adapter
->ahw
.ddr_mn_window
= 0;
679 adapter
->ahw
.qdr_sn_window
= 0;
681 adapter
->ahw
.mn_win_crb
= 0x100000 + PCIX_MN_WINDOW
+
683 adapter
->ahw
.ms_win_crb
= 0x100000 + PCIX_SN_WINDOW
;
685 adapter
->ahw
.ms_win_crb
+= (pci_func
* 0x20);
687 adapter
->ahw
.ms_win_crb
+=
688 0xA0 + ((pci_func
- 4) * 0x10);
693 dev_info(&pdev
->dev
, "%dMB memory map\n", (int)(mem_len
>>20));
695 adapter
->ahw
.pci_base0
= mem_ptr0
;
696 adapter
->ahw
.pci_len0
= pci_len0
;
697 adapter
->ahw
.pci_base1
= mem_ptr1
;
698 adapter
->ahw
.pci_base2
= mem_ptr2
;
700 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
))
703 db_base
= pci_resource_start(pdev
, 4); /* doorbell is on bar 4 */
704 db_len
= pci_resource_len(pdev
, 4);
707 printk(KERN_ERR
"%s: doorbell is disabled\n",
708 netxen_nic_driver_name
);
713 db_ptr
= ioremap(db_base
, NETXEN_DB_MAPSIZE_BYTES
);
715 printk(KERN_ERR
"%s: Failed to allocate doorbell map.",
716 netxen_nic_driver_name
);
722 adapter
->ahw
.db_base
= db_ptr
;
723 adapter
->ahw
.db_len
= db_len
;
727 netxen_cleanup_pci_map(adapter
);
732 netxen_start_firmware(struct netxen_adapter
*adapter
, int request_fw
)
734 int val
, err
, first_boot
;
735 struct pci_dev
*pdev
= adapter
->pdev
;
737 int first_driver
= 0;
739 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
))
740 first_driver
= (adapter
->portnum
== 0);
742 first_driver
= (adapter
->ahw
.pci_func
== 0);
747 first_boot
= NXRD32(adapter
, NETXEN_CAM_RAM(0x1fc));
749 err
= netxen_check_hw_init(adapter
, first_boot
);
751 dev_err(&pdev
->dev
, "error in init HW init sequence\n");
756 netxen_request_firmware(adapter
);
758 err
= netxen_need_fw_reset(adapter
);
764 if (first_boot
!= 0x55555555) {
765 NXWR32(adapter
, CRB_CMDPEG_STATE
, 0);
766 netxen_pinit_from_rom(adapter
, 0);
770 NXWR32(adapter
, CRB_DMA_SHIFT
, 0x55555555);
771 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
))
772 netxen_set_port_mode(adapter
);
774 netxen_load_firmware(adapter
);
776 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
)) {
778 /* Initialize multicast addr pool owners */
780 if (adapter
->ahw
.port_type
== NETXEN_NIC_XGBE
)
782 NXWR32(adapter
, NETXEN_MAC_ADDR_CNTL_REG
, val
);
786 err
= netxen_init_dummy_dma(adapter
);
791 * Tell the hardware our version number.
793 val
= (_NETXEN_NIC_LINUX_MAJOR
<< 16)
794 | ((_NETXEN_NIC_LINUX_MINOR
<< 8))
795 | (_NETXEN_NIC_LINUX_SUBVERSION
);
796 NXWR32(adapter
, CRB_DRIVER_VERSION
, val
);
799 /* Handshake with the card before we register the devices. */
800 err
= netxen_phantom_init(adapter
, NETXEN_NIC_PEG_TUNE
);
802 netxen_free_dummy_dma(adapter
);
806 nx_update_dma_mask(adapter
);
808 netxen_nic_get_firmware_info(adapter
);
814 netxen_nic_request_irq(struct netxen_adapter
*adapter
)
816 irq_handler_t handler
;
817 struct nx_host_sds_ring
*sds_ring
;
820 unsigned long flags
= IRQF_SAMPLE_RANDOM
;
821 struct net_device
*netdev
= adapter
->netdev
;
822 struct netxen_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
824 if (adapter
->flags
& NETXEN_NIC_MSIX_ENABLED
)
825 handler
= netxen_msix_intr
;
826 else if (adapter
->flags
& NETXEN_NIC_MSI_ENABLED
)
827 handler
= netxen_msi_intr
;
829 flags
|= IRQF_SHARED
;
830 handler
= netxen_intr
;
832 adapter
->irq
= netdev
->irq
;
834 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
835 sds_ring
= &recv_ctx
->sds_rings
[ring
];
836 sprintf(sds_ring
->name
, "%s[%d]", netdev
->name
, ring
);
837 err
= request_irq(sds_ring
->irq
, handler
,
838 flags
, sds_ring
->name
, sds_ring
);
847 netxen_nic_free_irq(struct netxen_adapter
*adapter
)
850 struct nx_host_sds_ring
*sds_ring
;
852 struct netxen_recv_context
*recv_ctx
= &adapter
->recv_ctx
;
854 for (ring
= 0; ring
< adapter
->max_sds_rings
; ring
++) {
855 sds_ring
= &recv_ctx
->sds_rings
[ring
];
856 free_irq(sds_ring
->irq
, sds_ring
);
861 netxen_nic_init_coalesce_defaults(struct netxen_adapter
*adapter
)
863 adapter
->coal
.flags
= NETXEN_NIC_INTR_DEFAULT
;
864 adapter
->coal
.normal
.data
.rx_time_us
=
865 NETXEN_DEFAULT_INTR_COALESCE_RX_TIME_US
;
866 adapter
->coal
.normal
.data
.rx_packets
=
867 NETXEN_DEFAULT_INTR_COALESCE_RX_PACKETS
;
868 adapter
->coal
.normal
.data
.tx_time_us
=
869 NETXEN_DEFAULT_INTR_COALESCE_TX_TIME_US
;
870 adapter
->coal
.normal
.data
.tx_packets
=
871 NETXEN_DEFAULT_INTR_COALESCE_TX_PACKETS
;
875 netxen_nic_up(struct netxen_adapter
*adapter
, struct net_device
*netdev
)
879 err
= adapter
->init_port(adapter
, adapter
->physical_port
);
881 printk(KERN_ERR
"%s: Failed to initialize port %d\n",
882 netxen_nic_driver_name
, adapter
->portnum
);
885 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
))
886 adapter
->macaddr_set(adapter
, netdev
->dev_addr
);
888 adapter
->set_multi(netdev
);
889 adapter
->set_mtu(adapter
, netdev
->mtu
);
891 adapter
->ahw
.linkup
= 0;
893 if (adapter
->max_sds_rings
> 1)
894 netxen_config_rss(adapter
, 1);
896 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
))
897 netxen_config_intr_coalesce(adapter
);
899 if (adapter
->capabilities
& NX_FW_CAPABILITY_HW_LRO
)
900 netxen_config_hw_lro(adapter
, NETXEN_NIC_LRO_ENABLED
);
902 netxen_napi_enable(adapter
);
904 if (adapter
->capabilities
& NX_FW_CAPABILITY_LINK_NOTIFICATION
)
905 netxen_linkevent_request(adapter
, 1);
907 netxen_nic_set_link_parameters(adapter
);
909 mod_timer(&adapter
->watchdog_timer
, jiffies
);
915 netxen_nic_down(struct netxen_adapter
*adapter
, struct net_device
*netdev
)
917 spin_lock(&adapter
->tx_clean_lock
);
918 netif_carrier_off(netdev
);
919 netif_tx_disable(netdev
);
921 if (adapter
->stop_port
)
922 adapter
->stop_port(adapter
);
924 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
))
925 netxen_p3_free_mac_list(adapter
);
927 adapter
->set_promisc(adapter
, NETXEN_NIU_NON_PROMISC_MODE
);
929 netxen_napi_disable(adapter
);
931 netxen_release_tx_buffers(adapter
);
932 spin_unlock(&adapter
->tx_clean_lock
);
934 del_timer_sync(&adapter
->watchdog_timer
);
939 netxen_nic_attach(struct netxen_adapter
*adapter
)
941 struct net_device
*netdev
= adapter
->netdev
;
942 struct pci_dev
*pdev
= adapter
->pdev
;
944 struct nx_host_rds_ring
*rds_ring
;
945 struct nx_host_tx_ring
*tx_ring
;
947 if (adapter
->is_up
== NETXEN_ADAPTER_UP_MAGIC
)
950 err
= netxen_init_firmware(adapter
);
954 err
= netxen_napi_add(adapter
, netdev
);
958 err
= netxen_alloc_sw_resources(adapter
);
960 printk(KERN_ERR
"%s: Error in setting sw resources\n",
965 netxen_nic_clear_stats(adapter
);
967 err
= netxen_alloc_hw_resources(adapter
);
969 printk(KERN_ERR
"%s: Error in setting hw resources\n",
971 goto err_out_free_sw
;
974 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
)) {
975 tx_ring
= adapter
->tx_ring
;
976 tx_ring
->crb_cmd_producer
= crb_cmd_producer
[adapter
->portnum
];
977 tx_ring
->crb_cmd_consumer
= crb_cmd_consumer
[adapter
->portnum
];
979 tx_ring
->producer
= 0;
980 tx_ring
->sw_consumer
= 0;
982 netxen_nic_update_cmd_producer(adapter
, tx_ring
);
983 netxen_nic_update_cmd_consumer(adapter
, tx_ring
);
986 for (ring
= 0; ring
< adapter
->max_rds_rings
; ring
++) {
987 rds_ring
= &adapter
->recv_ctx
.rds_rings
[ring
];
988 netxen_post_rx_buffers(adapter
, ring
, rds_ring
);
991 err
= netxen_nic_request_irq(adapter
);
993 dev_err(&pdev
->dev
, "%s: failed to setup interrupt\n",
995 goto err_out_free_rxbuf
;
998 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
))
999 netxen_nic_init_coalesce_defaults(adapter
);
1001 netxen_create_sysfs_entries(adapter
);
1003 adapter
->is_up
= NETXEN_ADAPTER_UP_MAGIC
;
1007 netxen_release_rx_buffers(adapter
);
1008 netxen_free_hw_resources(adapter
);
1010 netxen_free_sw_resources(adapter
);
1015 netxen_nic_detach(struct netxen_adapter
*adapter
)
1017 if (adapter
->is_up
!= NETXEN_ADAPTER_UP_MAGIC
)
1020 netxen_remove_sysfs_entries(adapter
);
1022 netxen_free_hw_resources(adapter
);
1023 netxen_release_rx_buffers(adapter
);
1024 netxen_nic_free_irq(adapter
);
1025 netxen_napi_del(adapter
);
1026 netxen_free_sw_resources(adapter
);
1032 netxen_nic_reset_context(struct netxen_adapter
*adapter
)
1035 struct net_device
*netdev
= adapter
->netdev
;
1037 if (adapter
->is_up
== NETXEN_ADAPTER_UP_MAGIC
) {
1039 if (netif_running(netdev
))
1040 netxen_nic_down(adapter
, netdev
);
1042 netxen_nic_detach(adapter
);
1044 err
= netxen_nic_attach(adapter
);
1048 if (netif_running(netdev
))
1049 err
= netxen_nic_up(adapter
, netdev
);
1056 netxen_setup_netdev(struct netxen_adapter
*adapter
,
1057 struct net_device
*netdev
)
1060 struct pci_dev
*pdev
= adapter
->pdev
;
1062 adapter
->rx_csum
= 1;
1063 adapter
->mc_enabled
= 0;
1064 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
))
1065 adapter
->max_mc_count
= 38;
1067 adapter
->max_mc_count
= 16;
1069 netdev
->netdev_ops
= &netxen_netdev_ops
;
1070 netdev
->watchdog_timeo
= 2*HZ
;
1072 netxen_nic_change_mtu(netdev
, netdev
->mtu
);
1074 SET_ETHTOOL_OPS(netdev
, &netxen_nic_ethtool_ops
);
1076 netdev
->features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1077 netdev
->features
|= (NETIF_F_GRO
);
1078 netdev
->vlan_features
|= (NETIF_F_SG
| NETIF_F_IP_CSUM
| NETIF_F_TSO
);
1080 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
)) {
1081 netdev
->features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1082 netdev
->vlan_features
|= (NETIF_F_IPV6_CSUM
| NETIF_F_TSO6
);
1085 if (adapter
->pci_using_dac
) {
1086 netdev
->features
|= NETIF_F_HIGHDMA
;
1087 netdev
->vlan_features
|= NETIF_F_HIGHDMA
;
1090 if (adapter
->capabilities
& NX_FW_CAPABILITY_FVLANTX
)
1091 netdev
->features
|= (NETIF_F_HW_VLAN_TX
);
1093 if (adapter
->capabilities
& NX_FW_CAPABILITY_HW_LRO
)
1094 netdev
->features
|= NETIF_F_LRO
;
1096 netdev
->irq
= adapter
->msix_entries
[0].vector
;
1098 err
= netxen_napi_add(adapter
, netdev
);
1102 init_timer(&adapter
->watchdog_timer
);
1103 adapter
->watchdog_timer
.function
= &netxen_watchdog
;
1104 adapter
->watchdog_timer
.data
= (unsigned long)adapter
;
1105 INIT_WORK(&adapter
->watchdog_task
, netxen_watchdog_task
);
1106 INIT_WORK(&adapter
->tx_timeout_task
, netxen_reset_task
);
1108 if (netxen_read_mac_addr(adapter
))
1109 dev_warn(&pdev
->dev
, "failed to read mac addr\n");
1111 netif_carrier_off(netdev
);
1112 netif_stop_queue(netdev
);
1114 err
= register_netdev(netdev
);
1116 dev_err(&pdev
->dev
, "failed to register net device\n");
1123 static int __devinit
1124 netxen_nic_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1126 struct net_device
*netdev
= NULL
;
1127 struct netxen_adapter
*adapter
= NULL
;
1129 int pci_func_id
= PCI_FUNC(pdev
->devfn
);
1130 uint8_t revision_id
;
1132 if (pdev
->class != 0x020000) {
1133 printk(KERN_DEBUG
"NetXen function %d, class %x will not "
1134 "be enabled.\n",pci_func_id
, pdev
->class);
1138 if (pdev
->revision
>= NX_P3_A0
&& pdev
->revision
< NX_P3_B1
) {
1139 printk(KERN_WARNING
"NetXen chip revisions between 0x%x-0x%x"
1140 "will not be enabled.\n",
1141 NX_P3_A0
, NX_P3_B1
);
1145 if ((err
= pci_enable_device(pdev
)))
1148 if (!(pci_resource_flags(pdev
, 0) & IORESOURCE_MEM
)) {
1150 goto err_out_disable_pdev
;
1153 if ((err
= pci_request_regions(pdev
, netxen_nic_driver_name
)))
1154 goto err_out_disable_pdev
;
1156 pci_set_master(pdev
);
1158 netdev
= alloc_etherdev(sizeof(struct netxen_adapter
));
1160 dev_err(&pdev
->dev
, "failed to allocate net_device\n");
1162 goto err_out_free_res
;
1165 SET_NETDEV_DEV(netdev
, &pdev
->dev
);
1167 adapter
= netdev_priv(netdev
);
1168 adapter
->netdev
= netdev
;
1169 adapter
->pdev
= pdev
;
1170 adapter
->ahw
.pci_func
= pci_func_id
;
1172 revision_id
= pdev
->revision
;
1173 adapter
->ahw
.revision_id
= revision_id
;
1175 err
= nx_set_dma_mask(adapter
);
1177 goto err_out_free_netdev
;
1179 rwlock_init(&adapter
->adapter_lock
);
1180 spin_lock_init(&adapter
->tx_clean_lock
);
1181 INIT_LIST_HEAD(&adapter
->mac_list
);
1183 err
= netxen_setup_pci_map(adapter
);
1185 goto err_out_free_netdev
;
1187 /* This will be reset for mezz cards */
1188 adapter
->portnum
= pci_func_id
;
1190 err
= netxen_nic_get_board_info(adapter
);
1192 dev_err(&pdev
->dev
, "Error getting board config info.\n");
1193 goto err_out_iounmap
;
1196 netxen_initialize_adapter_ops(adapter
);
1198 /* Mezz cards have PCI function 0,2,3 enabled */
1199 switch (adapter
->ahw
.board_type
) {
1200 case NETXEN_BRDTYPE_P2_SB31_10G_IMEZ
:
1201 case NETXEN_BRDTYPE_P2_SB31_10G_HMEZ
:
1202 if (pci_func_id
>= 2)
1203 adapter
->portnum
= pci_func_id
- 2;
1209 err
= netxen_start_firmware(adapter
, 1);
1211 goto err_out_iounmap
;
1214 * See if the firmware gave us a virtual-physical port mapping.
1216 adapter
->physical_port
= adapter
->portnum
;
1217 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
)) {
1218 i
= NXRD32(adapter
, CRB_V2P(adapter
->portnum
));
1219 if (i
!= 0x55555555)
1220 adapter
->physical_port
= i
;
1223 netxen_check_options(adapter
);
1225 netxen_setup_intr(adapter
);
1227 err
= netxen_setup_netdev(adapter
, netdev
);
1229 goto err_out_disable_msi
;
1231 pci_set_drvdata(pdev
, adapter
);
1233 switch (adapter
->ahw
.port_type
) {
1234 case NETXEN_NIC_GBE
:
1235 dev_info(&adapter
->pdev
->dev
, "%s: GbE port initialized\n",
1236 adapter
->netdev
->name
);
1238 case NETXEN_NIC_XGBE
:
1239 dev_info(&adapter
->pdev
->dev
, "%s: XGbE port initialized\n",
1240 adapter
->netdev
->name
);
1246 err_out_disable_msi
:
1247 netxen_teardown_intr(adapter
);
1249 netxen_free_dummy_dma(adapter
);
1252 netxen_cleanup_pci_map(adapter
);
1254 err_out_free_netdev
:
1255 free_netdev(netdev
);
1258 pci_release_regions(pdev
);
1260 err_out_disable_pdev
:
1261 pci_set_drvdata(pdev
, NULL
);
1262 pci_disable_device(pdev
);
1266 static void __devexit
netxen_nic_remove(struct pci_dev
*pdev
)
1268 struct netxen_adapter
*adapter
;
1269 struct net_device
*netdev
;
1271 adapter
= pci_get_drvdata(pdev
);
1272 if (adapter
== NULL
)
1275 netdev
= adapter
->netdev
;
1277 unregister_netdev(netdev
);
1279 cancel_work_sync(&adapter
->watchdog_task
);
1280 cancel_work_sync(&adapter
->tx_timeout_task
);
1282 netxen_nic_detach(adapter
);
1284 if (adapter
->portnum
== 0)
1285 netxen_free_dummy_dma(adapter
);
1287 netxen_teardown_intr(adapter
);
1289 netxen_cleanup_pci_map(adapter
);
1291 netxen_release_firmware(adapter
);
1293 pci_release_regions(pdev
);
1294 pci_disable_device(pdev
);
1295 pci_set_drvdata(pdev
, NULL
);
1297 free_netdev(netdev
);
1299 static int __netxen_nic_shutdown(struct pci_dev
*pdev
)
1301 struct netxen_adapter
*adapter
= pci_get_drvdata(pdev
);
1302 struct net_device
*netdev
= adapter
->netdev
;
1305 netif_device_detach(netdev
);
1307 if (netif_running(netdev
))
1308 netxen_nic_down(adapter
, netdev
);
1310 cancel_work_sync(&adapter
->watchdog_task
);
1311 cancel_work_sync(&adapter
->tx_timeout_task
);
1313 netxen_nic_detach(adapter
);
1315 if (adapter
->portnum
== 0)
1316 netxen_free_dummy_dma(adapter
);
1318 retval
= pci_save_state(pdev
);
1322 if (netxen_nic_wol_supported(adapter
)) {
1323 pci_enable_wake(pdev
, PCI_D3cold
, 1);
1324 pci_enable_wake(pdev
, PCI_D3hot
, 1);
1327 pci_disable_device(pdev
);
1331 static void netxen_nic_shutdown(struct pci_dev
*pdev
)
1333 if (__netxen_nic_shutdown(pdev
))
1338 netxen_nic_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1342 retval
= __netxen_nic_shutdown(pdev
);
1346 pci_set_power_state(pdev
, pci_choose_state(pdev
, state
));
1351 netxen_nic_resume(struct pci_dev
*pdev
)
1353 struct netxen_adapter
*adapter
= pci_get_drvdata(pdev
);
1354 struct net_device
*netdev
= adapter
->netdev
;
1357 pci_set_power_state(pdev
, PCI_D0
);
1358 pci_restore_state(pdev
);
1360 err
= pci_enable_device(pdev
);
1364 adapter
->curr_window
= 255;
1366 err
= netxen_start_firmware(adapter
, 0);
1368 dev_err(&pdev
->dev
, "failed to start firmware\n");
1372 if (netif_running(netdev
)) {
1373 err
= netxen_nic_attach(adapter
);
1377 err
= netxen_nic_up(adapter
, netdev
);
1381 netif_device_attach(netdev
);
1388 static int netxen_nic_open(struct net_device
*netdev
)
1390 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
1393 if (adapter
->driver_mismatch
)
1396 err
= netxen_nic_attach(adapter
);
1400 err
= netxen_nic_up(adapter
, netdev
);
1404 netif_start_queue(netdev
);
1409 netxen_nic_detach(adapter
);
1414 * netxen_nic_close - Disables a network interface entry point
1416 static int netxen_nic_close(struct net_device
*netdev
)
1418 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
1420 netxen_nic_down(adapter
, netdev
);
1425 netxen_tso_check(struct net_device
*netdev
,
1426 struct nx_host_tx_ring
*tx_ring
,
1427 struct cmd_desc_type0
*first_desc
,
1428 struct sk_buff
*skb
)
1430 u8 opcode
= TX_ETHER_PKT
;
1431 __be16 protocol
= skb
->protocol
;
1432 u16 flags
= 0, vid
= 0;
1434 int copied
, offset
, copy_len
, hdr_len
= 0, tso
= 0, vlan_oob
= 0;
1435 struct cmd_desc_type0
*hwdesc
;
1436 struct vlan_ethhdr
*vh
;
1438 if (protocol
== cpu_to_be16(ETH_P_8021Q
)) {
1440 vh
= (struct vlan_ethhdr
*)skb
->data
;
1441 protocol
= vh
->h_vlan_encapsulated_proto
;
1442 flags
= FLAGS_VLAN_TAGGED
;
1444 } else if (vlan_tx_tag_present(skb
)) {
1446 flags
= FLAGS_VLAN_OOB
;
1447 vid
= vlan_tx_tag_get(skb
);
1448 netxen_set_tx_vlan_tci(first_desc
, vid
);
1452 if ((netdev
->features
& (NETIF_F_TSO
| NETIF_F_TSO6
)) &&
1453 skb_shinfo(skb
)->gso_size
> 0) {
1455 hdr_len
= skb_transport_offset(skb
) + tcp_hdrlen(skb
);
1457 first_desc
->mss
= cpu_to_le16(skb_shinfo(skb
)->gso_size
);
1458 first_desc
->total_hdr_length
= hdr_len
;
1460 first_desc
->total_hdr_length
+= VLAN_HLEN
;
1461 first_desc
->tcp_hdr_offset
= VLAN_HLEN
;
1462 first_desc
->ip_hdr_offset
= VLAN_HLEN
;
1463 /* Only in case of TSO on vlan device */
1464 flags
|= FLAGS_VLAN_TAGGED
;
1467 opcode
= (protocol
== cpu_to_be16(ETH_P_IPV6
)) ?
1468 TX_TCP_LSO6
: TX_TCP_LSO
;
1471 } else if (skb
->ip_summed
== CHECKSUM_PARTIAL
) {
1474 if (protocol
== cpu_to_be16(ETH_P_IP
)) {
1475 l4proto
= ip_hdr(skb
)->protocol
;
1477 if (l4proto
== IPPROTO_TCP
)
1478 opcode
= TX_TCP_PKT
;
1479 else if(l4proto
== IPPROTO_UDP
)
1480 opcode
= TX_UDP_PKT
;
1481 } else if (protocol
== cpu_to_be16(ETH_P_IPV6
)) {
1482 l4proto
= ipv6_hdr(skb
)->nexthdr
;
1484 if (l4proto
== IPPROTO_TCP
)
1485 opcode
= TX_TCPV6_PKT
;
1486 else if(l4proto
== IPPROTO_UDP
)
1487 opcode
= TX_UDPV6_PKT
;
1491 first_desc
->tcp_hdr_offset
+= skb_transport_offset(skb
);
1492 first_desc
->ip_hdr_offset
+= skb_network_offset(skb
);
1493 netxen_set_tx_flags_opcode(first_desc
, flags
, opcode
);
1498 /* For LSO, we need to copy the MAC/IP/TCP headers into
1499 * the descriptor ring
1501 producer
= tx_ring
->producer
;
1506 /* Create a TSO vlan header template for firmware */
1508 hwdesc
= &tx_ring
->desc_head
[producer
];
1509 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1511 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1512 hdr_len
+ VLAN_HLEN
);
1514 vh
= (struct vlan_ethhdr
*)((char *)hwdesc
+ 2);
1515 skb_copy_from_linear_data(skb
, vh
, 12);
1516 vh
->h_vlan_proto
= htons(ETH_P_8021Q
);
1517 vh
->h_vlan_TCI
= htons(vid
);
1518 skb_copy_from_linear_data_offset(skb
, 12,
1519 (char *)vh
+ 16, copy_len
- 16);
1521 copied
= copy_len
- VLAN_HLEN
;
1524 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1527 while (copied
< hdr_len
) {
1529 copy_len
= min((int)sizeof(struct cmd_desc_type0
) - offset
,
1530 (hdr_len
- copied
));
1532 hwdesc
= &tx_ring
->desc_head
[producer
];
1533 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1535 skb_copy_from_linear_data_offset(skb
, copied
,
1536 (char *)hwdesc
+ offset
, copy_len
);
1541 producer
= get_next_index(producer
, tx_ring
->num_desc
);
1544 tx_ring
->producer
= producer
;
1549 netxen_map_tx_skb(struct pci_dev
*pdev
,
1550 struct sk_buff
*skb
, struct netxen_cmd_buffer
*pbuf
)
1552 struct netxen_skb_frag
*nf
;
1553 struct skb_frag_struct
*frag
;
1557 nr_frags
= skb_shinfo(skb
)->nr_frags
;
1558 nf
= &pbuf
->frag_array
[0];
1560 map
= pci_map_single(pdev
, skb
->data
,
1561 skb_headlen(skb
), PCI_DMA_TODEVICE
);
1562 if (pci_dma_mapping_error(pdev
, map
))
1566 nf
->length
= skb_headlen(skb
);
1568 for (i
= 0; i
< nr_frags
; i
++) {
1569 frag
= &skb_shinfo(skb
)->frags
[i
];
1570 nf
= &pbuf
->frag_array
[i
+1];
1572 map
= pci_map_page(pdev
, frag
->page
, frag
->page_offset
,
1573 frag
->size
, PCI_DMA_TODEVICE
);
1574 if (pci_dma_mapping_error(pdev
, map
))
1578 nf
->length
= frag
->size
;
1585 nf
= &pbuf
->frag_array
[i
];
1586 pci_unmap_page(pdev
, nf
->dma
, nf
->length
, PCI_DMA_TODEVICE
);
1589 nf
= &pbuf
->frag_array
[0];
1590 pci_unmap_single(pdev
, nf
->dma
, skb_headlen(skb
), PCI_DMA_TODEVICE
);
1597 netxen_clear_cmddesc(u64
*desc
)
1604 netxen_nic_xmit_frame(struct sk_buff
*skb
, struct net_device
*netdev
)
1606 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
1607 struct nx_host_tx_ring
*tx_ring
= adapter
->tx_ring
;
1608 struct netxen_cmd_buffer
*pbuf
;
1609 struct netxen_skb_frag
*buffrag
;
1610 struct cmd_desc_type0
*hwdesc
, *first_desc
;
1611 struct pci_dev
*pdev
;
1615 int frag_count
, no_of_desc
;
1616 u32 num_txd
= tx_ring
->num_desc
;
1618 frag_count
= skb_shinfo(skb
)->nr_frags
+ 1;
1620 /* 4 fragments per cmd des */
1621 no_of_desc
= (frag_count
+ 3) >> 2;
1623 if (unlikely(no_of_desc
+ 2) > netxen_tx_avail(tx_ring
)) {
1624 netif_stop_queue(netdev
);
1625 return NETDEV_TX_BUSY
;
1628 producer
= tx_ring
->producer
;
1629 pbuf
= &tx_ring
->cmd_buf_arr
[producer
];
1631 pdev
= adapter
->pdev
;
1633 if (netxen_map_tx_skb(pdev
, skb
, pbuf
))
1637 pbuf
->frag_count
= frag_count
;
1639 first_desc
= hwdesc
= &tx_ring
->desc_head
[producer
];
1640 netxen_clear_cmddesc((u64
*)hwdesc
);
1642 netxen_set_tx_frags_len(first_desc
, frag_count
, skb
->len
);
1643 netxen_set_tx_port(first_desc
, adapter
->portnum
);
1645 for (i
= 0; i
< frag_count
; i
++) {
1649 if ((k
== 0) && (i
> 0)) {
1650 /* move to next desc.*/
1651 producer
= get_next_index(producer
, num_txd
);
1652 hwdesc
= &tx_ring
->desc_head
[producer
];
1653 netxen_clear_cmddesc((u64
*)hwdesc
);
1654 tx_ring
->cmd_buf_arr
[producer
].skb
= NULL
;
1657 buffrag
= &pbuf
->frag_array
[i
];
1659 hwdesc
->buffer_length
[k
] = cpu_to_le16(buffrag
->length
);
1662 hwdesc
->addr_buffer1
= cpu_to_le64(buffrag
->dma
);
1665 hwdesc
->addr_buffer2
= cpu_to_le64(buffrag
->dma
);
1668 hwdesc
->addr_buffer3
= cpu_to_le64(buffrag
->dma
);
1671 hwdesc
->addr_buffer4
= cpu_to_le64(buffrag
->dma
);
1676 tx_ring
->producer
= get_next_index(producer
, num_txd
);
1678 netxen_tso_check(netdev
, tx_ring
, first_desc
, skb
);
1680 netxen_nic_update_cmd_producer(adapter
, tx_ring
);
1682 adapter
->stats
.txbytes
+= skb
->len
;
1683 adapter
->stats
.xmitcalled
++;
1685 return NETDEV_TX_OK
;
1688 adapter
->stats
.txdropped
++;
1689 dev_kfree_skb_any(skb
);
1690 return NETDEV_TX_OK
;
1693 static int netxen_nic_check_temp(struct netxen_adapter
*adapter
)
1695 struct net_device
*netdev
= adapter
->netdev
;
1696 uint32_t temp
, temp_state
, temp_val
;
1699 temp
= NXRD32(adapter
, CRB_TEMP_STATE
);
1701 temp_state
= nx_get_temp_state(temp
);
1702 temp_val
= nx_get_temp_val(temp
);
1704 if (temp_state
== NX_TEMP_PANIC
) {
1706 "%s: Device temperature %d degrees C exceeds"
1707 " maximum allowed. Hardware has been shut down.\n",
1708 netdev
->name
, temp_val
);
1710 } else if (temp_state
== NX_TEMP_WARN
) {
1711 if (adapter
->temp
== NX_TEMP_NORMAL
) {
1713 "%s: Device temperature %d degrees C "
1714 "exceeds operating range."
1715 " Immediate action needed.\n",
1716 netdev
->name
, temp_val
);
1719 if (adapter
->temp
== NX_TEMP_WARN
) {
1721 "%s: Device temperature is now %d degrees C"
1722 " in normal range.\n", netdev
->name
,
1726 adapter
->temp
= temp_state
;
1730 void netxen_advert_link_change(struct netxen_adapter
*adapter
, int linkup
)
1732 struct net_device
*netdev
= adapter
->netdev
;
1734 if (adapter
->ahw
.linkup
&& !linkup
) {
1735 printk(KERN_INFO
"%s: %s NIC Link is down\n",
1736 netxen_nic_driver_name
, netdev
->name
);
1737 adapter
->ahw
.linkup
= 0;
1738 if (netif_running(netdev
)) {
1739 netif_carrier_off(netdev
);
1740 netif_stop_queue(netdev
);
1742 adapter
->link_changed
= !adapter
->has_link_events
;
1743 } else if (!adapter
->ahw
.linkup
&& linkup
) {
1744 printk(KERN_INFO
"%s: %s NIC Link is up\n",
1745 netxen_nic_driver_name
, netdev
->name
);
1746 adapter
->ahw
.linkup
= 1;
1747 if (netif_running(netdev
)) {
1748 netif_carrier_on(netdev
);
1749 netif_wake_queue(netdev
);
1751 adapter
->link_changed
= !adapter
->has_link_events
;
1755 static void netxen_nic_handle_phy_intr(struct netxen_adapter
*adapter
)
1757 u32 val
, port
, linkup
;
1759 port
= adapter
->physical_port
;
1761 if (NX_IS_REVISION_P3(adapter
->ahw
.revision_id
)) {
1762 val
= NXRD32(adapter
, CRB_XG_STATE_P3
);
1763 val
= XG_LINK_STATE_P3(adapter
->ahw
.pci_func
, val
);
1764 linkup
= (val
== XG_LINK_UP_P3
);
1766 val
= NXRD32(adapter
, CRB_XG_STATE
);
1767 if (adapter
->ahw
.port_type
== NETXEN_NIC_GBE
)
1768 linkup
= (val
>> port
) & 1;
1770 val
= (val
>> port
*8) & 0xff;
1771 linkup
= (val
== XG_LINK_UP
);
1775 netxen_advert_link_change(adapter
, linkup
);
1778 static void netxen_nic_thermal_shutdown(struct netxen_adapter
*adapter
)
1780 struct net_device
*netdev
= adapter
->netdev
;
1782 netif_device_detach(netdev
);
1783 netxen_nic_down(adapter
, netdev
);
1784 netxen_nic_detach(adapter
);
1787 static void netxen_watchdog(unsigned long v
)
1789 struct netxen_adapter
*adapter
= (struct netxen_adapter
*)v
;
1791 if (netxen_nic_check_temp(adapter
))
1794 if (!adapter
->has_link_events
) {
1795 netxen_nic_handle_phy_intr(adapter
);
1797 if (adapter
->link_changed
)
1801 if (netif_running(adapter
->netdev
))
1802 mod_timer(&adapter
->watchdog_timer
, jiffies
+ 2 * HZ
);
1807 schedule_work(&adapter
->watchdog_task
);
1810 void netxen_watchdog_task(struct work_struct
*work
)
1812 struct netxen_adapter
*adapter
=
1813 container_of(work
, struct netxen_adapter
, watchdog_task
);
1815 if (adapter
->temp
== NX_TEMP_PANIC
) {
1816 netxen_nic_thermal_shutdown(adapter
);
1820 if (adapter
->link_changed
)
1821 netxen_nic_set_link_parameters(adapter
);
1823 if (netif_running(adapter
->netdev
))
1824 mod_timer(&adapter
->watchdog_timer
, jiffies
+ 2 * HZ
);
1827 static void netxen_tx_timeout(struct net_device
*netdev
)
1829 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
1831 dev_err(&netdev
->dev
, "transmit timeout, resetting.\n");
1832 schedule_work(&adapter
->tx_timeout_task
);
1835 static void netxen_reset_task(struct work_struct
*work
)
1837 struct netxen_adapter
*adapter
=
1838 container_of(work
, struct netxen_adapter
, tx_timeout_task
);
1840 if (!netif_running(adapter
->netdev
))
1843 netxen_napi_disable(adapter
);
1845 adapter
->netdev
->trans_start
= jiffies
;
1847 netxen_napi_enable(adapter
);
1848 netif_wake_queue(adapter
->netdev
);
1851 struct net_device_stats
*netxen_nic_get_stats(struct net_device
*netdev
)
1853 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
1854 struct net_device_stats
*stats
= &adapter
->net_stats
;
1856 memset(stats
, 0, sizeof(*stats
));
1858 stats
->rx_packets
= adapter
->stats
.rx_pkts
+ adapter
->stats
.lro_pkts
;
1859 stats
->tx_packets
= adapter
->stats
.xmitfinished
;
1860 stats
->rx_bytes
= adapter
->stats
.rxbytes
;
1861 stats
->tx_bytes
= adapter
->stats
.txbytes
;
1862 stats
->rx_dropped
= adapter
->stats
.rxdropped
;
1863 stats
->tx_dropped
= adapter
->stats
.txdropped
;
1868 static irqreturn_t
netxen_intr(int irq
, void *data
)
1870 struct nx_host_sds_ring
*sds_ring
= data
;
1871 struct netxen_adapter
*adapter
= sds_ring
->adapter
;
1874 status
= adapter
->pci_read_immediate(adapter
, ISR_INT_VECTOR
);
1876 if (!(status
& adapter
->legacy_intr
.int_vec_bit
))
1879 if (adapter
->ahw
.revision_id
>= NX_P3_B1
) {
1880 /* check interrupt state machine, to be sure */
1881 status
= adapter
->pci_read_immediate(adapter
,
1883 if (!ISR_LEGACY_INT_TRIGGERED(status
))
1887 unsigned long our_int
= 0;
1889 our_int
= NXRD32(adapter
, CRB_INT_VECTOR
);
1891 /* not our interrupt */
1892 if (!test_and_clear_bit((7 + adapter
->portnum
), &our_int
))
1895 /* claim interrupt */
1896 NXWR32(adapter
, CRB_INT_VECTOR
, (our_int
& 0xffffffff));
1899 /* clear interrupt */
1900 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
))
1901 netxen_nic_disable_int(sds_ring
);
1903 adapter
->pci_write_immediate(adapter
,
1904 adapter
->legacy_intr
.tgt_status_reg
,
1906 /* read twice to ensure write is flushed */
1907 adapter
->pci_read_immediate(adapter
, ISR_INT_VECTOR
);
1908 adapter
->pci_read_immediate(adapter
, ISR_INT_VECTOR
);
1910 napi_schedule(&sds_ring
->napi
);
1915 static irqreturn_t
netxen_msi_intr(int irq
, void *data
)
1917 struct nx_host_sds_ring
*sds_ring
= data
;
1918 struct netxen_adapter
*adapter
= sds_ring
->adapter
;
1920 /* clear interrupt */
1921 adapter
->pci_write_immediate(adapter
,
1922 adapter
->msi_tgt_status
, 0xffffffff);
1924 napi_schedule(&sds_ring
->napi
);
1928 static irqreturn_t
netxen_msix_intr(int irq
, void *data
)
1930 struct nx_host_sds_ring
*sds_ring
= data
;
1932 napi_schedule(&sds_ring
->napi
);
1936 static int netxen_nic_poll(struct napi_struct
*napi
, int budget
)
1938 struct nx_host_sds_ring
*sds_ring
=
1939 container_of(napi
, struct nx_host_sds_ring
, napi
);
1941 struct netxen_adapter
*adapter
= sds_ring
->adapter
;
1946 tx_complete
= netxen_process_cmd_ring(adapter
);
1948 work_done
= netxen_process_rcv_ring(sds_ring
, budget
);
1950 if ((work_done
< budget
) && tx_complete
) {
1951 napi_complete(&sds_ring
->napi
);
1952 if (netif_running(adapter
->netdev
))
1953 netxen_nic_enable_int(sds_ring
);
1959 #ifdef CONFIG_NET_POLL_CONTROLLER
1960 static void netxen_nic_poll_controller(struct net_device
*netdev
)
1962 struct netxen_adapter
*adapter
= netdev_priv(netdev
);
1963 disable_irq(adapter
->irq
);
1964 netxen_intr(adapter
->irq
, adapter
);
1965 enable_irq(adapter
->irq
);
1970 netxen_store_bridged_mode(struct device
*dev
,
1971 struct device_attribute
*attr
, const char *buf
, size_t len
)
1973 struct net_device
*net
= to_net_dev(dev
);
1974 struct netxen_adapter
*adapter
= netdev_priv(net
);
1978 if (!(adapter
->capabilities
& NX_FW_CAPABILITY_BDG
))
1981 if (adapter
->is_up
!= NETXEN_ADAPTER_UP_MAGIC
)
1984 if (strict_strtoul(buf
, 2, &new))
1987 if (!netxen_config_bridged_mode(adapter
, !!new))
1995 netxen_show_bridged_mode(struct device
*dev
,
1996 struct device_attribute
*attr
, char *buf
)
1998 struct net_device
*net
= to_net_dev(dev
);
1999 struct netxen_adapter
*adapter
;
2000 int bridged_mode
= 0;
2002 adapter
= netdev_priv(net
);
2004 if (adapter
->capabilities
& NX_FW_CAPABILITY_BDG
)
2005 bridged_mode
= !!(adapter
->flags
& NETXEN_NIC_BRIDGE_ENABLED
);
2007 return sprintf(buf
, "%d\n", bridged_mode
);
2010 static struct device_attribute dev_attr_bridged_mode
= {
2011 .attr
= {.name
= "bridged_mode", .mode
= (S_IRUGO
| S_IWUSR
)},
2012 .show
= netxen_show_bridged_mode
,
2013 .store
= netxen_store_bridged_mode
,
2017 netxen_create_sysfs_entries(struct netxen_adapter
*adapter
)
2019 struct net_device
*netdev
= adapter
->netdev
;
2020 struct device
*dev
= &netdev
->dev
;
2022 if (adapter
->capabilities
& NX_FW_CAPABILITY_BDG
) {
2023 /* bridged_mode control */
2024 if (device_create_file(dev
, &dev_attr_bridged_mode
)) {
2025 dev_warn(&netdev
->dev
,
2026 "failed to create bridged_mode sysfs entry\n");
2032 netxen_remove_sysfs_entries(struct netxen_adapter
*adapter
)
2034 struct net_device
*netdev
= adapter
->netdev
;
2035 struct device
*dev
= &netdev
->dev
;
2037 if (adapter
->capabilities
& NX_FW_CAPABILITY_BDG
)
2038 device_remove_file(dev
, &dev_attr_bridged_mode
);
2041 static void netxen_watchdog(unsigned long);
2045 #define is_netxen_netdev(dev) (dev->netdev_ops == &netxen_netdev_ops)
2048 netxen_destip_supported(struct netxen_adapter
*adapter
)
2050 if (NX_IS_REVISION_P2(adapter
->ahw
.revision_id
))
2053 if (adapter
->ahw
.cut_through
)
2059 static int netxen_netdev_event(struct notifier_block
*this,
2060 unsigned long event
, void *ptr
)
2062 struct netxen_adapter
*adapter
;
2063 struct net_device
*dev
= (struct net_device
*)ptr
;
2064 struct in_device
*indev
;
2070 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2071 dev
= vlan_dev_real_dev(dev
);
2075 if (!is_netxen_netdev(dev
))
2078 adapter
= netdev_priv(dev
);
2080 if (!adapter
|| !netxen_destip_supported(adapter
))
2083 if (adapter
->is_up
!= NETXEN_ADAPTER_UP_MAGIC
)
2086 indev
= in_dev_get(dev
);
2093 netxen_config_ipaddr(adapter
,
2094 ifa
->ifa_address
, NX_IP_UP
);
2097 netxen_config_ipaddr(adapter
,
2098 ifa
->ifa_address
, NX_IP_DOWN
);
2103 } endfor_ifa(indev
);
2111 netxen_inetaddr_event(struct notifier_block
*this,
2112 unsigned long event
, void *ptr
)
2114 struct netxen_adapter
*adapter
;
2115 struct net_device
*dev
;
2117 struct in_ifaddr
*ifa
= (struct in_ifaddr
*)ptr
;
2119 dev
= ifa
->ifa_dev
? ifa
->ifa_dev
->dev
: NULL
;
2122 if (dev
== NULL
|| !netif_running(dev
))
2125 if (dev
->priv_flags
& IFF_802_1Q_VLAN
) {
2126 dev
= vlan_dev_real_dev(dev
);
2130 if (!is_netxen_netdev(dev
))
2133 adapter
= netdev_priv(dev
);
2135 if (!adapter
|| !netxen_destip_supported(adapter
))
2138 if (adapter
->is_up
!= NETXEN_ADAPTER_UP_MAGIC
)
2143 netxen_config_ipaddr(adapter
, ifa
->ifa_address
, NX_IP_UP
);
2146 netxen_config_ipaddr(adapter
, ifa
->ifa_address
, NX_IP_DOWN
);
2156 static struct notifier_block netxen_netdev_cb
= {
2157 .notifier_call
= netxen_netdev_event
,
2160 static struct notifier_block netxen_inetaddr_cb
= {
2161 .notifier_call
= netxen_inetaddr_event
,
2165 static struct pci_driver netxen_driver
= {
2166 .name
= netxen_nic_driver_name
,
2167 .id_table
= netxen_pci_tbl
,
2168 .probe
= netxen_nic_probe
,
2169 .remove
= __devexit_p(netxen_nic_remove
),
2171 .suspend
= netxen_nic_suspend
,
2172 .resume
= netxen_nic_resume
,
2174 .shutdown
= netxen_nic_shutdown
2177 static int __init
netxen_init_module(void)
2179 printk(KERN_INFO
"%s\n", netxen_nic_driver_string
);
2182 register_netdevice_notifier(&netxen_netdev_cb
);
2183 register_inetaddr_notifier(&netxen_inetaddr_cb
);
2186 return pci_register_driver(&netxen_driver
);
2189 module_init(netxen_init_module
);
2191 static void __exit
netxen_exit_module(void)
2193 pci_unregister_driver(&netxen_driver
);
2196 unregister_inetaddr_notifier(&netxen_inetaddr_cb
);
2197 unregister_netdevice_notifier(&netxen_netdev_cb
);
2201 module_exit(netxen_exit_module
);