2 * Copyright (c) 2006 - 2008 NetEffect, Inc. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
34 #include <linux/module.h>
35 #include <linux/moduleparam.h>
36 #include <linux/netdevice.h>
37 #include <linux/etherdevice.h>
39 #include <linux/tcp.h>
40 #include <linux/if_arp.h>
41 #include <linux/if_vlan.h>
42 #include <linux/ethtool.h>
45 #include <net/inet_common.h>
46 #include <linux/inet.h>
50 static struct nic_qp_map nic_qp_mapping_0[] = {
51 {16,0,0,1},{24,4,0,0},{28,8,0,0},{32,12,0,0},
52 {20,2,2,1},{26,6,2,0},{30,10,2,0},{34,14,2,0},
53 {18,1,1,1},{25,5,1,0},{29,9,1,0},{33,13,1,0},
54 {22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
57 static struct nic_qp_map nic_qp_mapping_1[] = {
58 {18,1,1,1},{25,5,1,0},{29,9,1,0},{33,13,1,0},
59 {22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
62 static struct nic_qp_map nic_qp_mapping_2[] = {
63 {20,2,2,1},{26,6,2,0},{30,10,2,0},{34,14,2,0}
66 static struct nic_qp_map nic_qp_mapping_3[] = {
67 {22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
70 static struct nic_qp_map nic_qp_mapping_4[] = {
71 {28,8,0,0},{32,12,0,0}
74 static struct nic_qp_map nic_qp_mapping_5[] = {
75 {29,9,1,0},{33,13,1,0}
78 static struct nic_qp_map nic_qp_mapping_6[] = {
79 {30,10,2,0},{34,14,2,0}
82 static struct nic_qp_map nic_qp_mapping_7[] = {
83 {31,11,3,0},{35,15,3,0}
86 static struct nic_qp_map *nic_qp_mapping_per_function[] = {
87 nic_qp_mapping_0, nic_qp_mapping_1, nic_qp_mapping_2, nic_qp_mapping_3,
88 nic_qp_mapping_4, nic_qp_mapping_5, nic_qp_mapping_6, nic_qp_mapping_7
91 static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
92 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
93 static int debug = -1;
98 static int nes_netdev_poll(struct napi_struct *napi, int budget)
100 struct nes_vnic *nesvnic = container_of(napi, struct nes_vnic, napi);
101 struct net_device *netdev = nesvnic->netdev;
102 struct nes_device *nesdev = nesvnic->nesdev;
103 struct nes_hw_nic_cq *nescq = &nesvnic->nic_cq;
105 nesvnic->budget = budget;
106 nescq->cqes_pending = 0;
107 nescq->rx_cqes_completed = 0;
108 nescq->cqe_allocs_pending = 0;
109 nescq->rx_pkts_indicated = 0;
111 nes_nic_ce_handler(nesdev, nescq);
113 if (nescq->cqes_pending == 0) {
114 netif_rx_complete(netdev, napi);
115 /* clear out completed cqes and arm */
116 nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
117 nescq->cq_number | (nescq->cqe_allocs_pending << 16));
118 nes_read32(nesdev->regs+NES_CQE_ALLOC);
120 /* clear out completed cqes but don't arm */
121 nes_write32(nesdev->regs+NES_CQE_ALLOC,
122 nescq->cq_number | (nescq->cqe_allocs_pending << 16));
123 nes_debug(NES_DBG_NETDEV, "%s: exiting with work pending\n",
124 nesvnic->netdev->name);
126 return nescq->rx_pkts_indicated;
131 * nes_netdev_open - Activate the network interface; ifconfig
134 static int nes_netdev_open(struct net_device *netdev)
138 struct nes_vnic *nesvnic = netdev_priv(netdev);
139 struct nes_device *nesdev = nesvnic->nesdev;
142 struct nes_vnic *first_nesvnic = NULL;
145 struct list_head *list_pos, *list_temp;
147 assert(nesdev != NULL);
149 if (nesvnic->netdev_open == 1)
152 if (netif_msg_ifup(nesvnic))
153 printk(KERN_INFO PFX "%s: enabling interface\n", netdev->name);
155 ret = nes_init_nic_qp(nesdev, netdev);
160 netif_carrier_off(netdev);
161 netif_stop_queue(netdev);
163 if ((!nesvnic->of_device_registered) && (nesvnic->rdma_enabled)) {
164 nesvnic->nesibdev = nes_init_ofa_device(netdev);
165 if (nesvnic->nesibdev == NULL) {
166 printk(KERN_ERR PFX "%s: nesvnic->nesibdev alloc failed", netdev->name);
168 nesvnic->nesibdev->nesvnic = nesvnic;
169 ret = nes_register_ofa_device(nesvnic->nesibdev);
171 printk(KERN_ERR PFX "%s: Unable to register RDMA device, ret = %d\n",
176 /* Set packet filters */
177 nic_active_bit = 1 << nesvnic->nic_index;
178 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE);
179 nic_active |= nic_active_bit;
180 nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active);
181 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE);
182 nic_active |= nic_active_bit;
183 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active);
184 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON);
185 nic_active |= nic_active_bit;
186 nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active);
188 macaddr_high = ((u16)netdev->dev_addr[0]) << 8;
189 macaddr_high += (u16)netdev->dev_addr[1];
191 macaddr_low = ((u32)netdev->dev_addr[2]) << 24;
192 macaddr_low += ((u32)netdev->dev_addr[3]) << 16;
193 macaddr_low += ((u32)netdev->dev_addr[4]) << 8;
194 macaddr_low += (u32)netdev->dev_addr[5];
196 /* Program the various MAC regs */
197 for (i = 0; i < NES_MAX_PORT_COUNT; i++) {
198 if (nesvnic->qp_nic_index[i] == 0xf) {
201 nes_debug(NES_DBG_NETDEV, "i=%d, perfect filter table index= %d, PERF FILTER LOW"
202 " (Addr:%08X) = %08X, HIGH = %08X.\n",
203 i, nesvnic->qp_nic_index[i],
204 NES_IDX_PERFECT_FILTER_LOW+((nesvnic->perfect_filter_index + i) * 8),
206 (u32)macaddr_high | NES_MAC_ADDR_VALID |
207 ((((u32)nesvnic->nic_index) << 16)));
208 nes_write_indexed(nesdev,
209 NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8),
211 nes_write_indexed(nesdev,
212 NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8),
213 (u32)macaddr_high | NES_MAC_ADDR_VALID |
214 ((((u32)nesvnic->nic_index) << 16)));
218 nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
219 nesvnic->nic_cq.cq_number);
220 nes_read32(nesdev->regs+NES_CQE_ALLOC);
221 list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) {
222 first_nesvnic = container_of(list_pos, struct nes_vnic, list);
223 if (first_nesvnic->netdev_open == 1)
226 if (first_nesvnic->netdev_open == 0) {
227 nes_debug(NES_DBG_INIT, "Setting up MAC interrupt mask.\n");
228 nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index),
229 ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
230 NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
231 first_nesvnic = nesvnic;
233 if (first_nesvnic->linkup) {
234 /* Enable network packets */
236 netif_start_queue(netdev);
237 netif_carrier_on(netdev);
239 napi_enable(&nesvnic->napi);
240 nesvnic->netdev_open = 1;
249 static int nes_netdev_stop(struct net_device *netdev)
251 struct nes_vnic *nesvnic = netdev_priv(netdev);
252 struct nes_device *nesdev = nesvnic->nesdev;
255 struct nes_vnic *first_nesvnic = NULL;
256 struct list_head *list_pos, *list_temp;
258 nes_debug(NES_DBG_SHUTDOWN, "nesvnic=%p, nesdev=%p, netdev=%p %s\n",
259 nesvnic, nesdev, netdev, netdev->name);
260 if (nesvnic->netdev_open == 0)
263 if (netif_msg_ifdown(nesvnic))
264 printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name);
266 /* Disable network packets */
267 napi_disable(&nesvnic->napi);
268 netif_stop_queue(netdev);
269 list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) {
270 first_nesvnic = container_of(list_pos, struct nes_vnic, list);
271 if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic))
275 if (first_nesvnic->netdev_open == 0)
276 nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
277 else if ((first_nesvnic != nesvnic) &&
278 (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
279 nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), 0xffffffff);
280 nes_write_indexed(first_nesvnic->nesdev, NES_IDX_MAC_INT_MASK + (0x200 * first_nesvnic->nesdev->mac_index),
281 ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
282 NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
285 nic_active_mask = ~((u32)(1 << nesvnic->nic_index));
286 nes_write_indexed(nesdev, NES_IDX_PERFECT_FILTER_HIGH+
287 (nesvnic->perfect_filter_index*8), 0);
288 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE);
289 nic_active &= nic_active_mask;
290 nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active);
291 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
292 nic_active &= nic_active_mask;
293 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
294 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE);
295 nic_active &= nic_active_mask;
296 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active);
297 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
298 nic_active &= nic_active_mask;
299 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
300 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON);
301 nic_active &= nic_active_mask;
302 nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active);
305 if (nesvnic->of_device_registered) {
306 nes_destroy_ofa_device(nesvnic->nesibdev);
307 nesvnic->nesibdev = NULL;
308 nesvnic->of_device_registered = 0;
310 nes_destroy_nic_qp(nesvnic);
312 nesvnic->netdev_open = 0;
321 static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
323 struct nes_vnic *nesvnic = netdev_priv(netdev);
324 struct nes_device *nesdev = nesvnic->nesdev;
325 struct nes_hw_nic *nesnic = &nesvnic->nic;
326 struct nes_hw_nic_sq_wqe *nic_sqe;
328 __le16 *wqe_fragment_length;
330 u16 wqe_fragment_index = 1; /* first fragment (0) is used by copy buffer */
331 u16 skb_fragment_index;
332 dma_addr_t bus_address;
334 nic_sqe = &nesnic->sq_vbase[nesnic->sq_head];
335 wqe_fragment_length = (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
337 /* setup the VLAN tag if present */
338 if (vlan_tx_tag_present(skb)) {
339 nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n",
340 netdev->name, vlan_tx_tag_get(skb));
341 wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE;
342 wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb);
346 /* bump past the vlan tag */
347 wqe_fragment_length++;
348 /* wqe_fragment_address = (u64 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX]; */
350 if (skb->ip_summed == CHECKSUM_PARTIAL) {
353 if (skb_is_gso(skb)) {
354 /* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... seg size = %u\n",
355 netdev->name, skb_is_gso(skb)); */
356 wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE |
357 NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb);
358 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX,
360 (((u32)(((unsigned char *)tcph) - skb->data)) << 4));
362 wqe_misc |= NES_NIC_SQ_WQE_COMPLETION;
365 } else { /* CHECKSUM_HW */
366 wqe_misc |= NES_NIC_SQ_WQE_DISABLE_CHKSUM | NES_NIC_SQ_WQE_COMPLETION;
369 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX,
371 memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer,
372 skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), skb_headlen(skb)));
373 wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE),
375 wqe_fragment_length[1] = 0;
376 if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) {
377 if ((skb_shinfo(skb)->nr_frags + 1) > 4) {
378 nes_debug(NES_DBG_NIC_TX, "%s: Packet with %u fragments not sent, skb_headlen=%u\n",
379 netdev->name, skb_shinfo(skb)->nr_frags + 2, skb_headlen(skb));
381 nesvnic->tx_sw_dropped++;
382 return NETDEV_TX_LOCKED;
384 set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
385 bus_address = pci_map_single(nesdev->pcidev, skb->data + NES_FIRST_FRAG_SIZE,
386 skb_headlen(skb) - NES_FIRST_FRAG_SIZE, PCI_DMA_TODEVICE);
387 wqe_fragment_length[wqe_fragment_index++] =
388 cpu_to_le16(skb_headlen(skb) - NES_FIRST_FRAG_SIZE);
389 wqe_fragment_length[wqe_fragment_index] = 0;
390 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
391 ((u64)(bus_address)));
392 nesnic->tx_skb[nesnic->sq_head] = skb;
395 if (skb_headlen(skb) == skb->len) {
396 if (skb_headlen(skb) <= NES_FIRST_FRAG_SIZE) {
397 nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_2_1_IDX] = 0;
398 nesnic->tx_skb[nesnic->sq_head] = NULL;
402 /* Deal with Fragments */
403 nesnic->tx_skb[nesnic->sq_head] = skb;
404 for (skb_fragment_index = 0; skb_fragment_index < skb_shinfo(skb)->nr_frags;
405 skb_fragment_index++) {
406 bus_address = pci_map_page( nesdev->pcidev,
407 skb_shinfo(skb)->frags[skb_fragment_index].page,
408 skb_shinfo(skb)->frags[skb_fragment_index].page_offset,
409 skb_shinfo(skb)->frags[skb_fragment_index].size,
411 wqe_fragment_length[wqe_fragment_index] =
412 cpu_to_le16(skb_shinfo(skb)->frags[skb_fragment_index].size);
413 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
415 wqe_fragment_index++;
416 if (wqe_fragment_index < 5)
417 wqe_fragment_length[wqe_fragment_index] = 0;
421 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, wqe_misc);
423 nesnic->sq_head &= nesnic->sq_size - 1;
430 * nes_netdev_start_xmit
432 static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
434 struct nes_vnic *nesvnic = netdev_priv(netdev);
435 struct nes_device *nesdev = nesvnic->nesdev;
436 struct nes_hw_nic *nesnic = &nesvnic->nic;
437 struct nes_hw_nic_sq_wqe *nic_sqe;
439 /* struct udphdr *udph; */
440 #define NES_MAX_TSO_FRAGS MAX_SKB_FRAGS
441 /* 64K segment plus overflow on each side */
442 dma_addr_t tso_bus_address[NES_MAX_TSO_FRAGS];
443 dma_addr_t bus_address;
452 __le16 *wqe_fragment_length;
454 u32 original_first_length;
455 /* u64 *wqe_fragment_address; */
456 /* first fragment (0) is used by copy buffer */
457 u16 wqe_fragment_index=1;
466 * nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u,"
467 * " (%u frags), tso_size=%u\n",
468 * netdev->name, skb->len, skb_headlen(skb),
469 * skb_shinfo(skb)->nr_frags, skb_is_gso(skb));
472 if (!netif_carrier_ok(netdev))
475 if (netif_queue_stopped(netdev))
476 return NETDEV_TX_BUSY;
478 local_irq_save(flags);
479 if (!spin_trylock(&nesnic->sq_lock)) {
480 local_irq_restore(flags);
481 nesvnic->sq_locked++;
482 return NETDEV_TX_LOCKED;
485 /* Check if SQ is full */
486 if ((((nesnic->sq_tail+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) == 1) {
487 if (!netif_queue_stopped(netdev)) {
488 netif_stop_queue(netdev);
490 if ((((((volatile u16)nesnic->sq_tail)+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) != 1) {
491 netif_start_queue(netdev);
492 goto sq_no_longer_full;
496 spin_unlock_irqrestore(&nesnic->sq_lock, flags);
497 return NETDEV_TX_BUSY;
501 nr_frags = skb_shinfo(skb)->nr_frags;
502 if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) {
505 /* Check if too many fragments */
506 if (unlikely((nr_frags > 4))) {
507 if (skb_is_gso(skb)) {
508 nesvnic->segmented_tso_requests++;
509 nesvnic->tso_requests++;
510 old_head = nesnic->sq_head;
511 /* Basically 4 fragments available per WQE with extended fragments */
512 wqes_needed = nr_frags >> 2;
513 wqes_needed += (nr_frags&3)?1:0;
514 wqes_available = (((nesnic->sq_tail+nesnic->sq_size)-nesnic->sq_head) - 1) &
515 (nesnic->sq_size - 1);
517 if (unlikely(wqes_needed > wqes_available)) {
518 if (!netif_queue_stopped(netdev)) {
519 netif_stop_queue(netdev);
521 wqes_available = (((((volatile u16)nesnic->sq_tail)+nesnic->sq_size)-nesnic->sq_head) - 1) &
522 (nesnic->sq_size - 1);
523 if (wqes_needed <= wqes_available) {
524 netif_start_queue(netdev);
525 goto tso_sq_no_longer_full;
529 spin_unlock_irqrestore(&nesnic->sq_lock, flags);
530 nes_debug(NES_DBG_NIC_TX, "%s: HNIC SQ full- TSO request has too many frags!\n",
532 return NETDEV_TX_BUSY;
534 tso_sq_no_longer_full:
535 /* Map all the buffers */
536 for (tso_frag_count=0; tso_frag_count < skb_shinfo(skb)->nr_frags;
538 tso_bus_address[tso_frag_count] = pci_map_page( nesdev->pcidev,
539 skb_shinfo(skb)->frags[tso_frag_count].page,
540 skb_shinfo(skb)->frags[tso_frag_count].page_offset,
541 skb_shinfo(skb)->frags[tso_frag_count].size,
546 curr_tcp_seq = ntohl(tcp_hdr(skb)->seq);
547 hoffset = skb_transport_header(skb) - skb->data;
548 nhoffset = skb_network_header(skb) - skb->data;
549 original_first_length = hoffset + ((((struct tcphdr *)skb_transport_header(skb))->doff)<<2);
551 for (wqe_count=0; wqe_count<((u32)wqes_needed); wqe_count++) {
553 nic_sqe = &nesnic->sq_vbase[nesnic->sq_head];
554 wqe_fragment_length =
555 (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
556 /* setup the VLAN tag if present */
557 if (vlan_tx_tag_present(skb)) {
558 nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n",
559 netdev->name, vlan_tx_tag_get(skb) );
560 wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE;
561 wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb);
565 /* bump past the vlan tag */
566 wqe_fragment_length++;
568 /* Assumes header totally fits in allocated buffer and is in first fragment */
569 if (original_first_length > NES_FIRST_FRAG_SIZE) {
570 nes_debug(NES_DBG_NIC_TX, "ERROR: SKB header too big, headlen=%u, FIRST_FRAG_SIZE=%u\n",
571 original_first_length, NES_FIRST_FRAG_SIZE);
572 nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u,"
573 " (%u frags), tso_size=%u\n",
575 skb->len, skb_headlen(skb),
576 skb_shinfo(skb)->nr_frags, skb_is_gso(skb));
578 memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer,
579 skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE),
580 original_first_length));
581 iph = (struct iphdr *)
582 (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[nhoffset]);
583 tcph = (struct tcphdr *)
584 (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[hoffset]);
585 if ((wqe_count+1)!=(u32)wqes_needed) {
594 tcph->seq = htonl(curr_tcp_seq);
595 wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE),
596 original_first_length));
598 wqe_fragment_index = 1;
599 if ((wqe_count==0) && (skb_headlen(skb) > original_first_length)) {
600 set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
601 bus_address = pci_map_single(nesdev->pcidev, skb->data + original_first_length,
602 skb_headlen(skb) - original_first_length, PCI_DMA_TODEVICE);
603 wqe_fragment_length[wqe_fragment_index++] =
604 cpu_to_le16(skb_headlen(skb) - original_first_length);
605 wqe_fragment_length[wqe_fragment_index] = 0;
606 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
608 tso_wqe_length += skb_headlen(skb) -
609 original_first_length;
611 while (wqe_fragment_index < 5) {
612 wqe_fragment_length[wqe_fragment_index] =
613 cpu_to_le16(skb_shinfo(skb)->frags[tso_frag_index].size);
614 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
615 (u64)tso_bus_address[tso_frag_index]);
616 wqe_fragment_index++;
617 tso_wqe_length += skb_shinfo(skb)->frags[tso_frag_index++].size;
618 if (wqe_fragment_index < 5)
619 wqe_fragment_length[wqe_fragment_index] = 0;
620 if (tso_frag_index == tso_frag_count)
623 if ((wqe_count+1) == (u32)wqes_needed) {
624 nesnic->tx_skb[nesnic->sq_head] = skb;
626 nesnic->tx_skb[nesnic->sq_head] = NULL;
628 wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb);
629 if ((tso_wqe_length + original_first_length) > skb_is_gso(skb)) {
630 wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE;
632 iph->tot_len = htons(tso_wqe_length + original_first_length - nhoffset);
635 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX,
637 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX,
638 ((u32)tcph->doff) | (((u32)hoffset) << 4));
640 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX,
641 tso_wqe_length + original_first_length);
642 curr_tcp_seq += tso_wqe_length;
644 nesnic->sq_head &= nesnic->sq_size-1;
647 nesvnic->linearized_skbs++;
648 hoffset = skb_transport_header(skb) - skb->data;
649 nhoffset = skb_network_header(skb) - skb->data;
651 skb_set_transport_header(skb, hoffset);
652 skb_set_network_header(skb, nhoffset);
653 send_rc = nes_nic_send(skb, netdev);
654 if (send_rc != NETDEV_TX_OK) {
655 spin_unlock_irqrestore(&nesnic->sq_lock, flags);
660 send_rc = nes_nic_send(skb, netdev);
661 if (send_rc != NETDEV_TX_OK) {
662 spin_unlock_irqrestore(&nesnic->sq_lock, flags);
670 nes_write32(nesdev->regs+NES_WQE_ALLOC,
671 (wqe_count << 24) | (1 << 23) | nesvnic->nic.qp_id);
673 netdev->trans_start = jiffies;
674 spin_unlock_irqrestore(&nesnic->sq_lock, flags);
681 * nes_netdev_get_stats
683 static struct net_device_stats *nes_netdev_get_stats(struct net_device *netdev)
685 struct nes_vnic *nesvnic = netdev_priv(netdev);
686 struct nes_device *nesdev = nesvnic->nesdev;
690 u32temp = nes_read_indexed(nesdev,
691 NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + (nesvnic->nic_index*0x200));
692 nesvnic->netstats.rx_dropped += u32temp;
693 nesvnic->endnode_nstat_rx_discard += u32temp;
695 u64temp = (u64)nes_read_indexed(nesdev,
696 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + (nesvnic->nic_index*0x200));
697 u64temp += ((u64)nes_read_indexed(nesdev,
698 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32;
700 nesvnic->endnode_nstat_rx_octets += u64temp;
701 nesvnic->netstats.rx_bytes += u64temp;
703 u64temp = (u64)nes_read_indexed(nesdev,
704 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + (nesvnic->nic_index*0x200));
705 u64temp += ((u64)nes_read_indexed(nesdev,
706 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32;
708 nesvnic->endnode_nstat_rx_frames += u64temp;
709 nesvnic->netstats.rx_packets += u64temp;
711 u64temp = (u64)nes_read_indexed(nesdev,
712 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + (nesvnic->nic_index*0x200));
713 u64temp += ((u64)nes_read_indexed(nesdev,
714 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32;
716 nesvnic->endnode_nstat_tx_octets += u64temp;
717 nesvnic->netstats.tx_bytes += u64temp;
719 u64temp = (u64)nes_read_indexed(nesdev,
720 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + (nesvnic->nic_index*0x200));
721 u64temp += ((u64)nes_read_indexed(nesdev,
722 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32;
724 nesvnic->endnode_nstat_tx_frames += u64temp;
725 nesvnic->netstats.tx_packets += u64temp;
727 u32temp = nes_read_indexed(nesdev,
728 NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
729 nesvnic->netstats.rx_dropped += u32temp;
730 nesvnic->nesdev->mac_rx_errors += u32temp;
731 nesvnic->nesdev->mac_rx_short_frames += u32temp;
733 u32temp = nes_read_indexed(nesdev,
734 NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
735 nesvnic->netstats.rx_dropped += u32temp;
736 nesvnic->nesdev->mac_rx_errors += u32temp;
737 nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
739 u32temp = nes_read_indexed(nesdev,
740 NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
741 nesvnic->netstats.rx_dropped += u32temp;
742 nesvnic->nesdev->mac_rx_errors += u32temp;
743 nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
745 u32temp = nes_read_indexed(nesdev,
746 NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
747 nesvnic->netstats.rx_dropped += u32temp;
748 nesvnic->nesdev->mac_rx_errors += u32temp;
749 nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
751 u32temp = nes_read_indexed(nesdev,
752 NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
753 nesvnic->netstats.rx_length_errors += u32temp;
754 nesvnic->nesdev->mac_rx_errors += u32temp;
756 u32temp = nes_read_indexed(nesdev,
757 NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
758 nesvnic->nesdev->mac_rx_errors += u32temp;
759 nesvnic->nesdev->mac_rx_crc_errors += u32temp;
760 nesvnic->netstats.rx_crc_errors += u32temp;
762 u32temp = nes_read_indexed(nesdev,
763 NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
764 nesvnic->nesdev->mac_tx_errors += u32temp;
765 nesvnic->netstats.tx_errors += u32temp;
767 return &nesvnic->netstats;
772 * nes_netdev_tx_timeout
774 static void nes_netdev_tx_timeout(struct net_device *netdev)
776 struct nes_vnic *nesvnic = netdev_priv(netdev);
778 if (netif_msg_timer(nesvnic))
779 nes_debug(NES_DBG_NIC_TX, "%s: tx timeout\n", netdev->name);
784 * nes_netdev_set_mac_address
786 static int nes_netdev_set_mac_address(struct net_device *netdev, void *p)
788 struct nes_vnic *nesvnic = netdev_priv(netdev);
789 struct nes_device *nesdev = nesvnic->nesdev;
790 struct sockaddr *mac_addr = p;
794 DECLARE_MAC_BUF(mac);
796 if (!is_valid_ether_addr(mac_addr->sa_data))
797 return -EADDRNOTAVAIL;
799 memcpy(netdev->dev_addr, mac_addr->sa_data, netdev->addr_len);
800 printk(PFX "%s: Address length = %d, Address = %s\n",
801 __func__, netdev->addr_len, print_mac(mac, mac_addr->sa_data));
802 macaddr_high = ((u16)netdev->dev_addr[0]) << 8;
803 macaddr_high += (u16)netdev->dev_addr[1];
804 macaddr_low = ((u32)netdev->dev_addr[2]) << 24;
805 macaddr_low += ((u32)netdev->dev_addr[3]) << 16;
806 macaddr_low += ((u32)netdev->dev_addr[4]) << 8;
807 macaddr_low += (u32)netdev->dev_addr[5];
809 for (i = 0; i < NES_MAX_PORT_COUNT; i++) {
810 if (nesvnic->qp_nic_index[i] == 0xf) {
813 nes_write_indexed(nesdev,
814 NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8),
816 nes_write_indexed(nesdev,
817 NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8),
818 (u32)macaddr_high | NES_MAC_ADDR_VALID |
819 ((((u32)nesvnic->nic_index) << 16)));
826 * nes_netdev_set_multicast_list
828 static void nes_netdev_set_multicast_list(struct net_device *netdev)
830 struct nes_vnic *nesvnic = netdev_priv(netdev);
831 struct nes_device *nesdev = nesvnic->nesdev;
832 struct dev_mc_list *multicast_addr;
835 u32 perfect_filter_register_address;
840 int mc_nic_index = -1;
842 nic_active_bit = 1 << nesvnic->nic_index;
844 if (netdev->flags & IFF_PROMISC) {
845 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
846 nic_active |= nic_active_bit;
847 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
848 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
849 nic_active |= nic_active_bit;
850 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
852 } else if ((netdev->flags & IFF_ALLMULTI) || (netdev->mc_count > NES_MULTICAST_PF_MAX) ||
853 (nesvnic->nic_index > 3)) {
854 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
855 nic_active |= nic_active_bit;
856 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
857 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
858 nic_active &= ~nic_active_bit;
859 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
862 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
863 nic_active &= ~nic_active_bit;
864 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
865 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
866 nic_active &= ~nic_active_bit;
867 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
870 nes_debug(NES_DBG_NIC_RX, "Number of MC entries = %d, Promiscous = %d, All Multicast = %d.\n",
871 netdev->mc_count, (netdev->flags & IFF_PROMISC)?1:0,
872 (netdev->flags & IFF_ALLMULTI)?1:0);
874 multicast_addr = netdev->mc_list;
875 perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW + 0x80;
876 perfect_filter_register_address += nesvnic->nic_index*0x40;
877 for (mc_index=0; mc_index < NES_MULTICAST_PF_MAX; mc_index++) {
878 while (multicast_addr && nesvnic->mcrq_mcast_filter && ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic, multicast_addr->dmi_addr)) == 0))
879 multicast_addr = multicast_addr->next;
880 if (mc_nic_index < 0)
881 mc_nic_index = nesvnic->nic_index;
882 if (multicast_addr) {
883 DECLARE_MAC_BUF(mac);
884 nes_debug(NES_DBG_NIC_RX, "Assigning MC Address %s to register 0x%04X nic_idx=%d\n",
885 print_mac(mac, multicast_addr->dmi_addr),
886 perfect_filter_register_address+(mc_index * 8),
888 macaddr_high = ((u16)multicast_addr->dmi_addr[0]) << 8;
889 macaddr_high += (u16)multicast_addr->dmi_addr[1];
890 macaddr_low = ((u32)multicast_addr->dmi_addr[2]) << 24;
891 macaddr_low += ((u32)multicast_addr->dmi_addr[3]) << 16;
892 macaddr_low += ((u32)multicast_addr->dmi_addr[4]) << 8;
893 macaddr_low += (u32)multicast_addr->dmi_addr[5];
894 nes_write_indexed(nesdev,
895 perfect_filter_register_address+(mc_index * 8),
897 nes_write_indexed(nesdev,
898 perfect_filter_register_address+4+(mc_index * 8),
899 (u32)macaddr_high | NES_MAC_ADDR_VALID |
900 ((((u32)(1<<mc_nic_index)) << 16)));
901 multicast_addr = multicast_addr->next;
903 nes_debug(NES_DBG_NIC_RX, "Clearing MC Address at register 0x%04X\n",
904 perfect_filter_register_address+(mc_index * 8));
905 nes_write_indexed(nesdev,
906 perfect_filter_register_address+4+(mc_index * 8),
915 * nes_netdev_change_mtu
917 static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu)
919 struct nes_vnic *nesvnic = netdev_priv(netdev);
920 struct nes_device *nesdev = nesvnic->nesdev;
928 if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu))
931 netdev->mtu = new_mtu;
932 nesvnic->max_frame_size = new_mtu + VLAN_ETH_HLEN;
934 if (netdev->mtu > 1500) {
937 nes_nic_init_timer_defaults(nesdev, jumbomode);
939 if (netif_running(netdev)) {
940 nic_active_bit = 1 << nesvnic->nic_index;
941 mc_all_active = nes_read_indexed(nesdev,
942 NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit;
943 uc_all_active = nes_read_indexed(nesdev,
944 NES_IDX_NIC_UNICAST_ALL) & nic_active_bit;
946 nes_netdev_stop(netdev);
947 nes_netdev_open(netdev);
949 nic_active = nes_read_indexed(nesdev,
950 NES_IDX_NIC_MULTICAST_ALL);
951 nic_active |= mc_all_active;
952 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL,
955 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
956 nic_active |= uc_all_active;
957 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
963 static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
964 "Link Change Interrupts",
968 "Pause Frames Received",
969 "Internal Routing Errors",
970 "SQ SW Dropped SKBs",
973 "Segmented TSO Requests",
976 "Rx Oversized Frames",
978 "Endnode Rx Discards",
985 "Retransmission Count",
998 "CM Packets Bounced",
999 "CM Packets Created",
1001 "CM Packets Dropped",
1002 "CM Packets Retrans",
1003 "CM Listens Created",
1004 "CM Listens Destroyed",
1008 "CM Nodes Destroyed",
1010 "CM Resets Received",
1024 #define NES_ETHTOOL_STAT_COUNT ARRAY_SIZE(nes_ethtool_stringset)
1027 * nes_netdev_get_rx_csum
1029 static u32 nes_netdev_get_rx_csum (struct net_device *netdev)
1031 struct nes_vnic *nesvnic = netdev_priv(netdev);
1033 if (nesvnic->rx_checksum_disabled)
1041 * nes_netdev_set_rc_csum
1043 static int nes_netdev_set_rx_csum(struct net_device *netdev, u32 enable)
1045 struct nes_vnic *nesvnic = netdev_priv(netdev);
1048 nesvnic->rx_checksum_disabled = 0;
1050 nesvnic->rx_checksum_disabled = 1;
1056 * nes_netdev_get_stats_count
1058 static int nes_netdev_get_stats_count(struct net_device *netdev)
1060 return NES_ETHTOOL_STAT_COUNT;
1065 * nes_netdev_get_strings
1067 static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset,
1068 u8 *ethtool_strings)
1070 if (stringset == ETH_SS_STATS)
1071 memcpy(ethtool_strings,
1072 &nes_ethtool_stringset,
1073 sizeof(nes_ethtool_stringset));
1078 * nes_netdev_get_ethtool_stats
1080 static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
1081 struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values)
1084 struct nes_vnic *nesvnic = netdev_priv(netdev);
1085 struct nes_device *nesdev = nesvnic->nesdev;
1089 target_ethtool_stats->n_stats = NES_ETHTOOL_STAT_COUNT;
1090 target_stat_values[0] = nesvnic->nesdev->link_status_interrupts;
1091 target_stat_values[1] = nesvnic->linearized_skbs;
1092 target_stat_values[2] = nesvnic->tso_requests;
1094 u32temp = nes_read_indexed(nesdev,
1095 NES_IDX_MAC_TX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1096 nesvnic->nesdev->mac_pause_frames_sent += u32temp;
1097 target_stat_values[3] = nesvnic->nesdev->mac_pause_frames_sent;
1099 u32temp = nes_read_indexed(nesdev,
1100 NES_IDX_MAC_RX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1101 nesvnic->nesdev->mac_pause_frames_received += u32temp;
1103 u32temp = nes_read_indexed(nesdev,
1104 NES_IDX_PORT_RX_DISCARDS + (nesvnic->nesdev->mac_index*0x40));
1105 nesvnic->nesdev->port_rx_discards += u32temp;
1106 nesvnic->netstats.rx_dropped += u32temp;
1108 u32temp = nes_read_indexed(nesdev,
1109 NES_IDX_PORT_TX_DISCARDS + (nesvnic->nesdev->mac_index*0x40));
1110 nesvnic->nesdev->port_tx_discards += u32temp;
1111 nesvnic->netstats.tx_dropped += u32temp;
1113 for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) {
1114 if (nesvnic->qp_nic_index[nic_count] == 0xf)
1117 u32temp = nes_read_indexed(nesdev,
1118 NES_IDX_ENDNODE0_NSTAT_RX_DISCARD +
1119 (nesvnic->qp_nic_index[nic_count]*0x200));
1120 nesvnic->netstats.rx_dropped += u32temp;
1121 nesvnic->endnode_nstat_rx_discard += u32temp;
1123 u64temp = (u64)nes_read_indexed(nesdev,
1124 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO +
1125 (nesvnic->qp_nic_index[nic_count]*0x200));
1126 u64temp += ((u64)nes_read_indexed(nesdev,
1127 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI +
1128 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1130 nesvnic->endnode_nstat_rx_octets += u64temp;
1131 nesvnic->netstats.rx_bytes += u64temp;
1133 u64temp = (u64)nes_read_indexed(nesdev,
1134 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO +
1135 (nesvnic->qp_nic_index[nic_count]*0x200));
1136 u64temp += ((u64)nes_read_indexed(nesdev,
1137 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI +
1138 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1140 nesvnic->endnode_nstat_rx_frames += u64temp;
1141 nesvnic->netstats.rx_packets += u64temp;
1143 u64temp = (u64)nes_read_indexed(nesdev,
1144 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO +
1145 (nesvnic->qp_nic_index[nic_count]*0x200));
1146 u64temp += ((u64)nes_read_indexed(nesdev,
1147 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI +
1148 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1150 nesvnic->endnode_nstat_tx_octets += u64temp;
1151 nesvnic->netstats.tx_bytes += u64temp;
1153 u64temp = (u64)nes_read_indexed(nesdev,
1154 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO +
1155 (nesvnic->qp_nic_index[nic_count]*0x200));
1156 u64temp += ((u64)nes_read_indexed(nesdev,
1157 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI +
1158 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1160 nesvnic->endnode_nstat_tx_frames += u64temp;
1161 nesvnic->netstats.tx_packets += u64temp;
1163 u32temp = nes_read_indexed(nesdev,
1164 NES_IDX_IPV4_TCP_REXMITS + (nesvnic->qp_nic_index[nic_count]*0x200));
1165 nesvnic->endnode_ipv4_tcp_retransmits += u32temp;
1168 target_stat_values[4] = nesvnic->nesdev->mac_pause_frames_received;
1169 target_stat_values[5] = nesdev->nesadapter->nic_rx_eth_route_err;
1170 target_stat_values[6] = nesvnic->tx_sw_dropped;
1171 target_stat_values[7] = nesvnic->sq_locked;
1172 target_stat_values[8] = nesvnic->sq_full;
1173 target_stat_values[9] = nesvnic->segmented_tso_requests;
1174 target_stat_values[10] = nesvnic->nesdev->mac_rx_symbol_err_frames;
1175 target_stat_values[11] = nesvnic->nesdev->mac_rx_jabber_frames;
1176 target_stat_values[12] = nesvnic->nesdev->mac_rx_oversized_frames;
1177 target_stat_values[13] = nesvnic->nesdev->mac_rx_short_frames;
1178 target_stat_values[14] = nesvnic->endnode_nstat_rx_discard;
1179 target_stat_values[15] = nesvnic->endnode_nstat_rx_octets;
1180 target_stat_values[16] = nesvnic->endnode_nstat_rx_frames;
1181 target_stat_values[17] = nesvnic->endnode_nstat_tx_octets;
1182 target_stat_values[18] = nesvnic->endnode_nstat_tx_frames;
1183 target_stat_values[19] = mh_detected;
1184 target_stat_values[20] = mh_pauses_sent;
1185 target_stat_values[21] = nesvnic->endnode_ipv4_tcp_retransmits;
1186 target_stat_values[22] = atomic_read(&cm_connects);
1187 target_stat_values[23] = atomic_read(&cm_accepts);
1188 target_stat_values[24] = atomic_read(&cm_disconnects);
1189 target_stat_values[25] = atomic_read(&cm_connecteds);
1190 target_stat_values[26] = atomic_read(&cm_connect_reqs);
1191 target_stat_values[27] = atomic_read(&cm_rejects);
1192 target_stat_values[28] = atomic_read(&mod_qp_timouts);
1193 target_stat_values[29] = atomic_read(&qps_created);
1194 target_stat_values[30] = atomic_read(&sw_qps_destroyed);
1195 target_stat_values[31] = atomic_read(&qps_destroyed);
1196 target_stat_values[32] = atomic_read(&cm_closes);
1197 target_stat_values[33] = cm_packets_sent;
1198 target_stat_values[34] = cm_packets_bounced;
1199 target_stat_values[35] = cm_packets_created;
1200 target_stat_values[36] = cm_packets_received;
1201 target_stat_values[37] = cm_packets_dropped;
1202 target_stat_values[38] = cm_packets_retrans;
1203 target_stat_values[39] = cm_listens_created;
1204 target_stat_values[40] = cm_listens_destroyed;
1205 target_stat_values[41] = cm_backlog_drops;
1206 target_stat_values[42] = atomic_read(&cm_loopbacks);
1207 target_stat_values[43] = atomic_read(&cm_nodes_created);
1208 target_stat_values[44] = atomic_read(&cm_nodes_destroyed);
1209 target_stat_values[45] = atomic_read(&cm_accel_dropped_pkts);
1210 target_stat_values[46] = atomic_read(&cm_resets_recvd);
1211 target_stat_values[47] = int_mod_timer_init;
1212 target_stat_values[48] = int_mod_cq_depth_1;
1213 target_stat_values[49] = int_mod_cq_depth_4;
1214 target_stat_values[50] = int_mod_cq_depth_16;
1215 target_stat_values[51] = int_mod_cq_depth_24;
1216 target_stat_values[52] = int_mod_cq_depth_32;
1217 target_stat_values[53] = int_mod_cq_depth_128;
1218 target_stat_values[54] = int_mod_cq_depth_256;
1219 target_stat_values[55] = nesvnic->lro_mgr.stats.aggregated;
1220 target_stat_values[56] = nesvnic->lro_mgr.stats.flushed;
1221 target_stat_values[57] = nesvnic->lro_mgr.stats.no_desc;
1227 * nes_netdev_get_drvinfo
1229 static void nes_netdev_get_drvinfo(struct net_device *netdev,
1230 struct ethtool_drvinfo *drvinfo)
1232 struct nes_vnic *nesvnic = netdev_priv(netdev);
1233 struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
1235 strcpy(drvinfo->driver, DRV_NAME);
1236 strcpy(drvinfo->bus_info, pci_name(nesvnic->nesdev->pcidev));
1237 sprintf(drvinfo->fw_version, "%u.%u", nesadapter->firmware_version>>16,
1238 nesadapter->firmware_version & 0x000000ff);
1239 strcpy(drvinfo->version, DRV_VERSION);
1240 drvinfo->n_stats = nes_netdev_get_stats_count(netdev);
1241 drvinfo->testinfo_len = 0;
1242 drvinfo->eedump_len = 0;
1243 drvinfo->regdump_len = 0;
1248 * nes_netdev_set_coalesce
1250 static int nes_netdev_set_coalesce(struct net_device *netdev,
1251 struct ethtool_coalesce *et_coalesce)
1253 struct nes_vnic *nesvnic = netdev_priv(netdev);
1254 struct nes_device *nesdev = nesvnic->nesdev;
1255 struct nes_adapter *nesadapter = nesdev->nesadapter;
1256 struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;
1257 unsigned long flags;
1259 spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags);
1260 if (et_coalesce->rx_max_coalesced_frames_low) {
1261 shared_timer->threshold_low = et_coalesce->rx_max_coalesced_frames_low;
1263 if (et_coalesce->rx_max_coalesced_frames_irq) {
1264 shared_timer->threshold_target = et_coalesce->rx_max_coalesced_frames_irq;
1266 if (et_coalesce->rx_max_coalesced_frames_high) {
1267 shared_timer->threshold_high = et_coalesce->rx_max_coalesced_frames_high;
1269 if (et_coalesce->rx_coalesce_usecs_low) {
1270 shared_timer->timer_in_use_min = et_coalesce->rx_coalesce_usecs_low;
1272 if (et_coalesce->rx_coalesce_usecs_high) {
1273 shared_timer->timer_in_use_max = et_coalesce->rx_coalesce_usecs_high;
1275 spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags);
1277 /* using this to drive total interrupt moderation */
1278 nesadapter->et_rx_coalesce_usecs_irq = et_coalesce->rx_coalesce_usecs_irq;
1279 if (et_coalesce->use_adaptive_rx_coalesce) {
1280 nesadapter->et_use_adaptive_rx_coalesce = 1;
1281 nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC;
1282 nesadapter->et_rx_coalesce_usecs_irq = 0;
1283 if (et_coalesce->pkt_rate_low) {
1284 nesadapter->et_pkt_rate_low = et_coalesce->pkt_rate_low;
1287 nesadapter->et_use_adaptive_rx_coalesce = 0;
1288 nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT;
1289 if (nesadapter->et_rx_coalesce_usecs_irq) {
1290 nes_write32(nesdev->regs+NES_PERIODIC_CONTROL,
1291 0x80000000 | ((u32)(nesadapter->et_rx_coalesce_usecs_irq*8)));
1299 * nes_netdev_get_coalesce
1301 static int nes_netdev_get_coalesce(struct net_device *netdev,
1302 struct ethtool_coalesce *et_coalesce)
1304 struct nes_vnic *nesvnic = netdev_priv(netdev);
1305 struct nes_device *nesdev = nesvnic->nesdev;
1306 struct nes_adapter *nesadapter = nesdev->nesadapter;
1307 struct ethtool_coalesce temp_et_coalesce;
1308 struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;
1309 unsigned long flags;
1311 memset(&temp_et_coalesce, 0, sizeof(temp_et_coalesce));
1312 temp_et_coalesce.rx_coalesce_usecs_irq = nesadapter->et_rx_coalesce_usecs_irq;
1313 temp_et_coalesce.use_adaptive_rx_coalesce = nesadapter->et_use_adaptive_rx_coalesce;
1314 temp_et_coalesce.rate_sample_interval = nesadapter->et_rate_sample_interval;
1315 temp_et_coalesce.pkt_rate_low = nesadapter->et_pkt_rate_low;
1316 spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags);
1317 temp_et_coalesce.rx_max_coalesced_frames_low = shared_timer->threshold_low;
1318 temp_et_coalesce.rx_max_coalesced_frames_irq = shared_timer->threshold_target;
1319 temp_et_coalesce.rx_max_coalesced_frames_high = shared_timer->threshold_high;
1320 temp_et_coalesce.rx_coalesce_usecs_low = shared_timer->timer_in_use_min;
1321 temp_et_coalesce.rx_coalesce_usecs_high = shared_timer->timer_in_use_max;
1322 if (nesadapter->et_use_adaptive_rx_coalesce) {
1323 temp_et_coalesce.rx_coalesce_usecs_irq = shared_timer->timer_in_use;
1325 spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags);
1326 memcpy(et_coalesce, &temp_et_coalesce, sizeof(*et_coalesce));
1332 * nes_netdev_get_pauseparam
1334 static void nes_netdev_get_pauseparam(struct net_device *netdev,
1335 struct ethtool_pauseparam *et_pauseparam)
1337 struct nes_vnic *nesvnic = netdev_priv(netdev);
1339 et_pauseparam->autoneg = 0;
1340 et_pauseparam->rx_pause = (nesvnic->nesdev->disable_rx_flow_control == 0) ? 1:0;
1341 et_pauseparam->tx_pause = (nesvnic->nesdev->disable_tx_flow_control == 0) ? 1:0;
1346 * nes_netdev_set_pauseparam
1348 static int nes_netdev_set_pauseparam(struct net_device *netdev,
1349 struct ethtool_pauseparam *et_pauseparam)
1351 struct nes_vnic *nesvnic = netdev_priv(netdev);
1352 struct nes_device *nesdev = nesvnic->nesdev;
1355 if (et_pauseparam->autoneg) {
1356 /* TODO: should return unsupported */
1359 if ((et_pauseparam->tx_pause == 1) && (nesdev->disable_tx_flow_control == 1)) {
1360 u32temp = nes_read_indexed(nesdev,
1361 NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200));
1362 u32temp |= NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE;
1363 nes_write_indexed(nesdev,
1364 NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE + (nesdev->mac_index*0x200), u32temp);
1365 nesdev->disable_tx_flow_control = 0;
1366 } else if ((et_pauseparam->tx_pause == 0) && (nesdev->disable_tx_flow_control == 0)) {
1367 u32temp = nes_read_indexed(nesdev,
1368 NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200));
1369 u32temp &= ~NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE;
1370 nes_write_indexed(nesdev,
1371 NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE + (nesdev->mac_index*0x200), u32temp);
1372 nesdev->disable_tx_flow_control = 1;
1374 if ((et_pauseparam->rx_pause == 1) && (nesdev->disable_rx_flow_control == 1)) {
1375 u32temp = nes_read_indexed(nesdev,
1376 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40));
1377 u32temp &= ~NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE;
1378 nes_write_indexed(nesdev,
1379 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp);
1380 nesdev->disable_rx_flow_control = 0;
1381 } else if ((et_pauseparam->rx_pause == 0) && (nesdev->disable_rx_flow_control == 0)) {
1382 u32temp = nes_read_indexed(nesdev,
1383 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40));
1384 u32temp |= NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE;
1385 nes_write_indexed(nesdev,
1386 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp);
1387 nesdev->disable_rx_flow_control = 1;
1395 * nes_netdev_get_settings
1397 static int nes_netdev_get_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd)
1399 struct nes_vnic *nesvnic = netdev_priv(netdev);
1400 struct nes_device *nesdev = nesvnic->nesdev;
1401 struct nes_adapter *nesadapter = nesdev->nesadapter;
1404 et_cmd->duplex = DUPLEX_FULL;
1405 et_cmd->port = PORT_MII;
1407 if (nesadapter->OneG_Mode) {
1408 et_cmd->speed = SPEED_1000;
1409 if (nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) {
1410 et_cmd->supported = SUPPORTED_1000baseT_Full;
1411 et_cmd->advertising = ADVERTISED_1000baseT_Full;
1412 et_cmd->autoneg = AUTONEG_DISABLE;
1413 et_cmd->transceiver = XCVR_INTERNAL;
1414 et_cmd->phy_address = nesdev->mac_index;
1416 et_cmd->supported = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg;
1417 et_cmd->advertising = ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg;
1418 nes_read_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index], &phy_data);
1419 if (phy_data & 0x1000)
1420 et_cmd->autoneg = AUTONEG_ENABLE;
1422 et_cmd->autoneg = AUTONEG_DISABLE;
1423 et_cmd->transceiver = XCVR_EXTERNAL;
1424 et_cmd->phy_address = nesadapter->phy_index[nesdev->mac_index];
1427 if ((nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_IRIS) ||
1428 (nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_ARGUS)) {
1429 et_cmd->transceiver = XCVR_EXTERNAL;
1430 et_cmd->port = PORT_FIBRE;
1431 et_cmd->supported = SUPPORTED_FIBRE;
1432 et_cmd->advertising = ADVERTISED_FIBRE;
1433 et_cmd->phy_address = nesadapter->phy_index[nesdev->mac_index];
1435 et_cmd->transceiver = XCVR_INTERNAL;
1436 et_cmd->supported = SUPPORTED_10000baseT_Full;
1437 et_cmd->advertising = ADVERTISED_10000baseT_Full;
1438 et_cmd->phy_address = nesdev->mac_index;
1440 et_cmd->speed = SPEED_10000;
1441 et_cmd->autoneg = AUTONEG_DISABLE;
1443 et_cmd->maxtxpkt = 511;
1444 et_cmd->maxrxpkt = 511;
1450 * nes_netdev_set_settings
1452 static int nes_netdev_set_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd)
1454 struct nes_vnic *nesvnic = netdev_priv(netdev);
1455 struct nes_device *nesdev = nesvnic->nesdev;
1456 struct nes_adapter *nesadapter = nesdev->nesadapter;
1459 if ((nesadapter->OneG_Mode) &&
1460 (nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G)) {
1461 nes_read_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index],
1463 if (et_cmd->autoneg) {
1464 /* Turn on Full duplex, Autoneg, and restart autonegotiation */
1467 /* Turn off autoneg */
1468 phy_data &= ~0x1000;
1470 nes_write_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index],
1478 static struct ethtool_ops nes_ethtool_ops = {
1479 .get_link = ethtool_op_get_link,
1480 .get_settings = nes_netdev_get_settings,
1481 .set_settings = nes_netdev_set_settings,
1482 .get_tx_csum = ethtool_op_get_tx_csum,
1483 .get_rx_csum = nes_netdev_get_rx_csum,
1484 .get_sg = ethtool_op_get_sg,
1485 .get_strings = nes_netdev_get_strings,
1486 .get_stats_count = nes_netdev_get_stats_count,
1487 .get_ethtool_stats = nes_netdev_get_ethtool_stats,
1488 .get_drvinfo = nes_netdev_get_drvinfo,
1489 .get_coalesce = nes_netdev_get_coalesce,
1490 .set_coalesce = nes_netdev_set_coalesce,
1491 .get_pauseparam = nes_netdev_get_pauseparam,
1492 .set_pauseparam = nes_netdev_set_pauseparam,
1493 .set_tx_csum = ethtool_op_set_tx_csum,
1494 .set_rx_csum = nes_netdev_set_rx_csum,
1495 .set_sg = ethtool_op_set_sg,
1496 .get_tso = ethtool_op_get_tso,
1497 .set_tso = ethtool_op_set_tso,
1498 .get_flags = ethtool_op_get_flags,
1499 .set_flags = ethtool_op_set_flags,
1503 static void nes_netdev_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
1505 struct nes_vnic *nesvnic = netdev_priv(netdev);
1506 struct nes_device *nesdev = nesvnic->nesdev;
1507 struct nes_adapter *nesadapter = nesdev->nesadapter;
1509 unsigned long flags;
1511 spin_lock_irqsave(&nesadapter->phy_lock, flags);
1512 nesvnic->vlan_grp = grp;
1514 nes_debug(NES_DBG_NETDEV, "%s: %s\n", __func__, netdev->name);
1516 /* Enable/Disable VLAN Stripping */
1517 u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG);
1519 u32temp &= 0xfdffffff;
1521 u32temp |= 0x02000000;
1523 nes_write_indexed(nesdev, NES_IDX_PCIX_DIAG, u32temp);
1524 spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
1529 * nes_netdev_init - initialize network device
1531 struct net_device *nes_netdev_init(struct nes_device *nesdev,
1532 void __iomem *mmio_addr)
1535 struct nes_vnic *nesvnic = NULL;
1536 struct net_device *netdev;
1537 struct nic_qp_map *curr_qp_map;
1542 netdev = alloc_etherdev(sizeof(struct nes_vnic));
1544 printk(KERN_ERR PFX "nesvnic etherdev alloc failed");
1548 nes_debug(NES_DBG_INIT, "netdev = %p, %s\n", netdev, netdev->name);
1550 SET_NETDEV_DEV(netdev, &nesdev->pcidev->dev);
1552 nesvnic = netdev_priv(netdev);
1553 memset(nesvnic, 0, sizeof(*nesvnic));
1555 netdev->open = nes_netdev_open;
1556 netdev->stop = nes_netdev_stop;
1557 netdev->hard_start_xmit = nes_netdev_start_xmit;
1558 netdev->get_stats = nes_netdev_get_stats;
1559 netdev->tx_timeout = nes_netdev_tx_timeout;
1560 netdev->set_mac_address = nes_netdev_set_mac_address;
1561 netdev->set_multicast_list = nes_netdev_set_multicast_list;
1562 netdev->change_mtu = nes_netdev_change_mtu;
1563 netdev->watchdog_timeo = NES_TX_TIMEOUT;
1564 netdev->irq = nesdev->pcidev->irq;
1565 netdev->mtu = ETH_DATA_LEN;
1566 netdev->hard_header_len = ETH_HLEN;
1567 netdev->addr_len = ETH_ALEN;
1568 netdev->type = ARPHRD_ETHER;
1569 netdev->features = NETIF_F_HIGHDMA;
1570 netdev->ethtool_ops = &nes_ethtool_ops;
1571 netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128);
1572 nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n");
1573 netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
1574 netdev->vlan_rx_register = nes_netdev_vlan_rx_register;
1575 netdev->features |= NETIF_F_LLTX;
1577 /* Fill in the port structure */
1578 nesvnic->netdev = netdev;
1579 nesvnic->nesdev = nesdev;
1580 nesvnic->msg_enable = netif_msg_init(debug, default_msg);
1581 nesvnic->netdev_index = nesdev->netdev_count;
1582 nesvnic->perfect_filter_index = nesdev->nesadapter->netdev_count;
1583 nesvnic->max_frame_size = netdev->mtu + netdev->hard_header_len + VLAN_HLEN;
1585 curr_qp_map = nic_qp_mapping_per_function[PCI_FUNC(nesdev->pcidev->devfn)];
1586 nesvnic->nic.qp_id = curr_qp_map[nesdev->netdev_count].qpid;
1587 nesvnic->nic_index = curr_qp_map[nesdev->netdev_count].nic_index;
1588 nesvnic->logical_port = curr_qp_map[nesdev->netdev_count].logical_port;
1590 /* Setup the burned in MAC address */
1591 u64temp = (u64)nesdev->nesadapter->mac_addr_low;
1592 u64temp += ((u64)nesdev->nesadapter->mac_addr_high) << 32;
1593 u64temp += nesvnic->nic_index;
1594 netdev->dev_addr[0] = (u8)(u64temp>>40);
1595 netdev->dev_addr[1] = (u8)(u64temp>>32);
1596 netdev->dev_addr[2] = (u8)(u64temp>>24);
1597 netdev->dev_addr[3] = (u8)(u64temp>>16);
1598 netdev->dev_addr[4] = (u8)(u64temp>>8);
1599 netdev->dev_addr[5] = (u8)u64temp;
1600 memcpy(netdev->perm_addr, netdev->dev_addr, 6);
1602 if ((nesvnic->logical_port < 2) || (nesdev->nesadapter->hw_rev != NE020_REV)) {
1603 netdev->features |= NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM;
1604 netdev->features |= NETIF_F_GSO | NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM;
1606 netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM;
1609 nes_debug(NES_DBG_INIT, "nesvnic = %p, reported features = 0x%lX, QPid = %d,"
1610 " nic_index = %d, logical_port = %d, mac_index = %d.\n",
1611 nesvnic, (unsigned long)netdev->features, nesvnic->nic.qp_id,
1612 nesvnic->nic_index, nesvnic->logical_port, nesdev->mac_index);
1614 if (nesvnic->nesdev->nesadapter->port_count == 1) {
1615 nesvnic->qp_nic_index[0] = nesvnic->nic_index;
1616 nesvnic->qp_nic_index[1] = nesvnic->nic_index + 1;
1617 if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) {
1618 nesvnic->qp_nic_index[2] = 0xf;
1619 nesvnic->qp_nic_index[3] = 0xf;
1621 nesvnic->qp_nic_index[2] = nesvnic->nic_index + 2;
1622 nesvnic->qp_nic_index[3] = nesvnic->nic_index + 3;
1625 if (nesvnic->nesdev->nesadapter->port_count == 2) {
1626 nesvnic->qp_nic_index[0] = nesvnic->nic_index;
1627 nesvnic->qp_nic_index[1] = nesvnic->nic_index + 2;
1628 nesvnic->qp_nic_index[2] = 0xf;
1629 nesvnic->qp_nic_index[3] = 0xf;
1631 nesvnic->qp_nic_index[0] = nesvnic->nic_index;
1632 nesvnic->qp_nic_index[1] = 0xf;
1633 nesvnic->qp_nic_index[2] = 0xf;
1634 nesvnic->qp_nic_index[3] = 0xf;
1637 nesvnic->next_qp_nic_index = 0;
1639 if (nesdev->netdev_count == 0) {
1640 nesvnic->rdma_enabled = 1;
1642 nesvnic->rdma_enabled = 0;
1644 nesvnic->nic_cq.cq_number = nesvnic->nic.qp_id;
1645 spin_lock_init(&nesvnic->tx_lock);
1646 nesdev->netdev[nesdev->netdev_count] = netdev;
1648 nes_debug(NES_DBG_INIT, "Adding nesvnic (%p) to the adapters nesvnic_list for MAC%d.\n",
1649 nesvnic, nesdev->mac_index);
1650 list_add_tail(&nesvnic->list, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]);
1652 if ((nesdev->netdev_count == 0) &&
1653 ((PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index) ||
1654 ((nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) &&
1655 (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) ||
1656 ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) {
1658 * nes_debug(NES_DBG_INIT, "Setting up PHY interrupt mask. Using register index 0x%04X\n",
1659 * NES_IDX_PHY_PCS_CONTROL_STATUS0 + (0x200 * (nesvnic->logical_port & 1)));
1661 u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
1662 (0x200 * (nesdev->mac_index & 1)));
1663 if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G) {
1664 u32temp |= 0x00200000;
1665 nes_write_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
1666 (0x200 * (nesdev->mac_index & 1)), u32temp);
1669 u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
1670 (0x200 * (nesdev->mac_index & 1)));
1672 if ((u32temp&0x0f1f0000) == 0x0f0f0000) {
1673 if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_IRIS) {
1674 nes_init_phy(nesdev);
1675 nes_read_10G_phy_reg(nesdev, nesdev->nesadapter->phy_index[nesdev->mac_index], 1, 1);
1676 temp_phy_data = (u16)nes_read_indexed(nesdev,
1677 NES_IDX_MAC_MDIO_CONTROL);
1680 nes_read_10G_phy_reg(nesdev, nesdev->nesadapter->phy_index[nesdev->mac_index], 1, 1);
1681 phy_data = (u16)nes_read_indexed(nesdev,
1682 NES_IDX_MAC_MDIO_CONTROL);
1683 if ((phy_data == temp_phy_data) || (!(--u32temp)))
1685 temp_phy_data = phy_data;
1688 nes_debug(NES_DBG_INIT, "The Link is UP!!.\n");
1689 nesvnic->linkup = 1;
1691 nes_debug(NES_DBG_INIT, "The Link is DOWN!!.\n");
1694 nes_debug(NES_DBG_INIT, "The Link is UP!!.\n");
1695 nesvnic->linkup = 1;
1697 } else if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) {
1698 nes_debug(NES_DBG_INIT, "mac_index=%d, logical_port=%d, u32temp=0x%04X, PCI_FUNC=%d\n",
1699 nesdev->mac_index, nesvnic->logical_port, u32temp, PCI_FUNC(nesdev->pcidev->devfn));
1700 if (((nesdev->mac_index < 2) && ((u32temp&0x01010000) == 0x01010000)) ||
1701 ((nesdev->mac_index > 1) && ((u32temp&0x02020000) == 0x02020000))) {
1702 nes_debug(NES_DBG_INIT, "The Link is UP!!.\n");
1703 nesvnic->linkup = 1;
1706 /* clear the MAC interrupt status, assumes direct logical to physical mapping */
1707 u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index));
1708 nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp);
1709 nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp);
1711 if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_IRIS)
1712 nes_init_phy(nesdev);
1721 * nes_netdev_destroy - destroy network device structure
1723 void nes_netdev_destroy(struct net_device *netdev)
1725 struct nes_vnic *nesvnic = netdev_priv(netdev);
1727 /* make sure 'stop' method is called by Linux stack */
1728 /* nes_netdev_stop(netdev); */
1730 list_del(&nesvnic->list);
1732 if (nesvnic->of_device_registered) {
1733 nes_destroy_ofa_device(nesvnic->nesibdev);
1736 free_netdev(netdev);
1741 * nes_nic_cm_xmit -- CM calls this to send out pkts
1743 int nes_nic_cm_xmit(struct sk_buff *skb, struct net_device *netdev)
1748 ret = dev_queue_xmit(skb);
1750 nes_debug(NES_DBG_CM, "Bad return code from dev_queue_xmit %d\n", ret);