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RDMA/nes: Fix for sending fpdus in order to hardware
[mirror_ubuntu-artful-kernel.git] / drivers / infiniband / hw / nes / nes_nic.c
CommitLineData
3c2d774c 1/*
c5488c57 2 * Copyright (c) 2006 - 2011 Intel Corporation. All rights reserved.
3c2d774c
GS		 3 *
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:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
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.
22 *
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
30 * SOFTWARE.
31 *
32 */
33
34#include <linux/module.h>
35#include <linux/moduleparam.h>
36#include <linux/netdevice.h>
37#include <linux/etherdevice.h>
38#include <linux/ip.h>
39#include <linux/tcp.h>
40#include <linux/if_arp.h>
41#include <linux/if_vlan.h>
42#include <linux/ethtool.h>
5a0e3ad6 43#include <linux/slab.h>
3c2d774c
GS		 44#include <net/tcp.h>
45
46#include <net/inet_common.h>
47#include <linux/inet.h>
48
49#include "nes.h"
50
51static struct nic_qp_map nic_qp_mapping_0[] = {
52 {16,0,0,1},{24,4,0,0},{28,8,0,0},{32,12,0,0},
53 {20,2,2,1},{26,6,2,0},{30,10,2,0},{34,14,2,0},
54 {18,1,1,1},{25,5,1,0},{29,9,1,0},{33,13,1,0},
55 {22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
56};
57
58static struct nic_qp_map nic_qp_mapping_1[] = {
59 {18,1,1,1},{25,5,1,0},{29,9,1,0},{33,13,1,0},
60 {22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
61};
62
63static struct nic_qp_map nic_qp_mapping_2[] = {
64 {20,2,2,1},{26,6,2,0},{30,10,2,0},{34,14,2,0}
65};
66
67static struct nic_qp_map nic_qp_mapping_3[] = {
68 {22,3,3,1},{27,7,3,0},{31,11,3,0},{35,15,3,0}
69};
70
71static struct nic_qp_map nic_qp_mapping_4[] = {
72 {28,8,0,0},{32,12,0,0}
73};
74
75static struct nic_qp_map nic_qp_mapping_5[] = {
76 {29,9,1,0},{33,13,1,0}
77};
78
79static struct nic_qp_map nic_qp_mapping_6[] = {
80 {30,10,2,0},{34,14,2,0}
81};
82
83static struct nic_qp_map nic_qp_mapping_7[] = {
84 {31,11,3,0},{35,15,3,0}
85};
86
87static struct nic_qp_map *nic_qp_mapping_per_function[] = {
88 nic_qp_mapping_0, nic_qp_mapping_1, nic_qp_mapping_2, nic_qp_mapping_3,
89 nic_qp_mapping_4, nic_qp_mapping_5, nic_qp_mapping_6, nic_qp_mapping_7
90};
91
92static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK
93 | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN;
94static int debug = -1;
7e36d3d7 95static int nics_per_function = 1;
3c2d774c 96
3c2d774c
GS		 97/**
98 * nes_netdev_poll
99 */
100static int nes_netdev_poll(struct napi_struct *napi, int budget)
101{
102 struct nes_vnic *nesvnic = container_of(napi, struct nes_vnic, napi);
3c2d774c
GS		 103 struct nes_device *nesdev = nesvnic->nesdev;
104 struct nes_hw_nic_cq *nescq = &nesvnic->nic_cq;
105
106 nesvnic->budget = budget;
107 nescq->cqes_pending = 0;
108 nescq->rx_cqes_completed = 0;
109 nescq->cqe_allocs_pending = 0;
110 nescq->rx_pkts_indicated = 0;
111
112 nes_nic_ce_handler(nesdev, nescq);
113
114 if (nescq->cqes_pending == 0) {
288379f0 115 napi_complete(napi);
3c2d774c
GS		 116 /* clear out completed cqes and arm */
117 nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
118 nescq->cq_number | (nescq->cqe_allocs_pending << 16));
119 nes_read32(nesdev->regs+NES_CQE_ALLOC);
120 } else {
121 /* clear out completed cqes but don't arm */
122 nes_write32(nesdev->regs+NES_CQE_ALLOC,
123 nescq->cq_number | (nescq->cqe_allocs_pending << 16));
124 nes_debug(NES_DBG_NETDEV, "%s: exiting with work pending\n",
125 nesvnic->netdev->name);
126 }
127 return nescq->rx_pkts_indicated;
128}
129
130
131/**
132 * nes_netdev_open - Activate the network interface; ifconfig
133 * ethx up.
134 */
135static int nes_netdev_open(struct net_device *netdev)
136{
137 u32 macaddr_low;
138 u16 macaddr_high;
139 struct nes_vnic *nesvnic = netdev_priv(netdev);
140 struct nes_device *nesdev = nesvnic->nesdev;
141 int ret;
142 int i;
11e0704b 143 struct nes_vnic *first_nesvnic = NULL;
3c2d774c
GS		 144 u32 nic_active_bit;
145 u32 nic_active;
11e0704b 146 struct list_head *list_pos, *list_temp;
ea623455 147 unsigned long flags;
3c2d774c
GS		 148
149 assert(nesdev != NULL);
150
11e0704b
GS		 151 if (nesvnic->netdev_open == 1)
152 return 0;
3c2d774c
GS		 153
154 if (netif_msg_ifup(nesvnic))
155 printk(KERN_INFO PFX "%s: enabling interface\n", netdev->name);
156
157 ret = nes_init_nic_qp(nesdev, netdev);
158 if (ret) {
159 return ret;
160 }
161
162 netif_carrier_off(netdev);
163 netif_stop_queue(netdev);
164
165 if ((!nesvnic->of_device_registered) && (nesvnic->rdma_enabled)) {
166 nesvnic->nesibdev = nes_init_ofa_device(netdev);
167 if (nesvnic->nesibdev == NULL) {
168 printk(KERN_ERR PFX "%s: nesvnic->nesibdev alloc failed", netdev->name);
169 } else {
170 nesvnic->nesibdev->nesvnic = nesvnic;
171 ret = nes_register_ofa_device(nesvnic->nesibdev);
172 if (ret) {
173 printk(KERN_ERR PFX "%s: Unable to register RDMA device, ret = %d\n",
174 netdev->name, ret);
175 }
176 }
177 }
178 /* Set packet filters */
179 nic_active_bit = 1 << nesvnic->nic_index;
180 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE);
181 nic_active |= nic_active_bit;
182 nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active);
183 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE);
184 nic_active |= nic_active_bit;
185 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active);
186 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON);
187 nic_active |= nic_active_bit;
188 nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active);
189
7495ab68 190 macaddr_high = ((u16)netdev->dev_addr[0]) << 8;
3c2d774c 191 macaddr_high += (u16)netdev->dev_addr[1];
7495ab68
GS		 192
193 macaddr_low = ((u32)netdev->dev_addr[2]) << 24;
194 macaddr_low += ((u32)netdev->dev_addr[3]) << 16;
195 macaddr_low += ((u32)netdev->dev_addr[4]) << 8;
196 macaddr_low += (u32)netdev->dev_addr[5];
3c2d774c
GS		 197
198 /* Program the various MAC regs */
199 for (i = 0; i < NES_MAX_PORT_COUNT; i++) {
200 if (nesvnic->qp_nic_index[i] == 0xf) {
201 break;
202 }
203 nes_debug(NES_DBG_NETDEV, "i=%d, perfect filter table index= %d, PERF FILTER LOW"
204 " (Addr:%08X) = %08X, HIGH = %08X.\n",
205 i, nesvnic->qp_nic_index[i],
7e36d3d7
VM		 206 NES_IDX_PERFECT_FILTER_LOW+
207 (nesvnic->qp_nic_index[i] * 8),
3c2d774c
GS		 208 macaddr_low,
209 (u32)macaddr_high | NES_MAC_ADDR_VALID |
210 ((((u32)nesvnic->nic_index) << 16)));
211 nes_write_indexed(nesdev,
212 NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8),
213 macaddr_low);
214 nes_write_indexed(nesdev,
215 NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8),
216 (u32)macaddr_high | NES_MAC_ADDR_VALID |
217 ((((u32)nesvnic->nic_index) << 16)));
218 }
219
220
221 nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT |
222 nesvnic->nic_cq.cq_number);
223 nes_read32(nesdev->regs+NES_CQE_ALLOC);
11e0704b
GS		 224 list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) {
225 first_nesvnic = container_of(list_pos, struct nes_vnic, list);
226 if (first_nesvnic->netdev_open == 1)
227 break;
228 }
229 if (first_nesvnic->netdev_open == 0) {
230 nes_debug(NES_DBG_INIT, "Setting up MAC interrupt mask.\n");
231 nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index),
232 ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
233 NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
234 first_nesvnic = nesvnic;
235 }
cd6860eb 236
3c2d774c
GS		 237 if (first_nesvnic->linkup) {
238 /* Enable network packets */
239 nesvnic->linkup = 1;
240 netif_start_queue(netdev);
241 netif_carrier_on(netdev);
242 }
ea623455 243
843276ad
MS		 244 spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags);
245 if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_SFP_D) {
843276ad 246 nesdev->link_recheck = 1;
41f63c53
TH		 247 mod_delayed_work(system_wq, &nesdev->work,
248 NES_LINK_RECHECK_DELAY);
843276ad
MS		 249 }
250 spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
251
ea623455
MS		 252 spin_lock_irqsave(&nesvnic->port_ibevent_lock, flags);
253 if (nesvnic->of_device_registered) {
254 nesdev->nesadapter->send_term_ok = 1;
255 if (nesvnic->linkup == 1) {
256 if (nesdev->iw_status == 0) {
257 nesdev->iw_status = 1;
258 nes_port_ibevent(nesvnic);
259 }
260 } else {
261 nesdev->iw_status = 0;
262 }
263 }
264 spin_unlock_irqrestore(&nesvnic->port_ibevent_lock, flags);
265
3c2d774c
GS		 266 napi_enable(&nesvnic->napi);
267 nesvnic->netdev_open = 1;
268
269 return 0;
270}
271
272
273/**
274 * nes_netdev_stop
275 */
276static int nes_netdev_stop(struct net_device *netdev)
277{
278 struct nes_vnic *nesvnic = netdev_priv(netdev);
279 struct nes_device *nesdev = nesvnic->nesdev;
280 u32 nic_active_mask;
281 u32 nic_active;
11e0704b
GS		 282 struct nes_vnic *first_nesvnic = NULL;
283 struct list_head *list_pos, *list_temp;
ea623455 284 unsigned long flags;
3c2d774c
GS		 285
286 nes_debug(NES_DBG_SHUTDOWN, "nesvnic=%p, nesdev=%p, netdev=%p %s\n",
287 nesvnic, nesdev, netdev, netdev->name);
288 if (nesvnic->netdev_open == 0)
289 return 0;
290
291 if (netif_msg_ifdown(nesvnic))
292 printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name);
52106bd2 293 netif_carrier_off(netdev);
3c2d774c
GS		 294
295 /* Disable network packets */
296 napi_disable(&nesvnic->napi);
297 netif_stop_queue(netdev);
11e0704b
GS		 298 list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) {
299 first_nesvnic = container_of(list_pos, struct nes_vnic, list);
300 if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic))
301 break;
302 }
303
068e80de
CT		 304 if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic) &&
305 (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) !=
306 PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) {
307 nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+
308 (0x200*nesdev->mac_index), 0xffffffff);
309 nes_write_indexed(first_nesvnic->nesdev,
310 NES_IDX_MAC_INT_MASK+
311 (0x200*first_nesvnic->nesdev->mac_index),
312 ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT |
313 NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
314 } else {
11e0704b 315 nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff);
3c2d774c
GS		 316 }
317
318 nic_active_mask = ~((u32)(1 << nesvnic->nic_index));
319 nes_write_indexed(nesdev, NES_IDX_PERFECT_FILTER_HIGH+
320 (nesvnic->perfect_filter_index*8), 0);
321 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE);
322 nic_active &= nic_active_mask;
323 nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active);
324 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
325 nic_active &= nic_active_mask;
326 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
327 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE);
328 nic_active &= nic_active_mask;
329 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active);
330 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
331 nic_active &= nic_active_mask;
332 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
333 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON);
334 nic_active &= nic_active_mask;
335 nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active);
336
ea623455 337 spin_lock_irqsave(&nesvnic->port_ibevent_lock, flags);
3c2d774c 338 if (nesvnic->of_device_registered) {
cd6860eb
FL		 339 nesdev->nesadapter->send_term_ok = 0;
340 nesdev->iw_status = 0;
ea623455
MS		 341 if (nesvnic->linkup == 1)
342 nes_port_ibevent(nesvnic);
3c2d774c 343 }
ea623455
MS		 344 del_timer_sync(&nesvnic->event_timer);
345 nesvnic->event_timer.function = NULL;
346 spin_unlock_irqrestore(&nesvnic->port_ibevent_lock, flags);
347
3c2d774c
GS		 348 nes_destroy_nic_qp(nesvnic);
349
350 nesvnic->netdev_open = 0;
351
352 return 0;
353}
354
355
356/**
357 * nes_nic_send
358 */
359static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev)
360{
361 struct nes_vnic *nesvnic = netdev_priv(netdev);
362 struct nes_device *nesdev = nesvnic->nesdev;
363 struct nes_hw_nic *nesnic = &nesvnic->nic;
364 struct nes_hw_nic_sq_wqe *nic_sqe;
365 struct tcphdr *tcph;
366 __le16 *wqe_fragment_length;
367 u32 wqe_misc;
368 u16 wqe_fragment_index = 1; /* first fragment (0) is used by copy buffer */
369 u16 skb_fragment_index;
370 dma_addr_t bus_address;
371
372 nic_sqe = &nesnic->sq_vbase[nesnic->sq_head];
373 wqe_fragment_length = (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
374
375 /* setup the VLAN tag if present */
376 if (vlan_tx_tag_present(skb)) {
377 nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n",
378 netdev->name, vlan_tx_tag_get(skb));
379 wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE;
380 wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb);
381 } else
382 wqe_misc = 0;
383
384 /* bump past the vlan tag */
385 wqe_fragment_length++;
386 /* wqe_fragment_address = (u64 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX]; */
48a99563 387 wqe_misc |= NES_NIC_SQ_WQE_COMPLETION;
3c2d774c
GS		 388
389 if (skb->ip_summed == CHECKSUM_PARTIAL) {
48a99563
TN		 390 if (skb_is_gso(skb)) {
391 tcph = tcp_hdr(skb);
392 /* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... is_gso = %u seg size = %u\n",
393 netdev->name, skb_is_gso(skb), skb_shinfo(skb)->gso_size); */
394 wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE | (u16)skb_shinfo(skb)->gso_size;
395 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX,
396 ((u32)tcph->doff) |
397 (((u32)(((unsigned char *)tcph) - skb->data)) << 4));
3c2d774c
GS		 398 }
399 } else { /* CHECKSUM_HW */
48a99563 400 wqe_misc |= NES_NIC_SQ_WQE_DISABLE_CHKSUM;
3c2d774c
GS		 401 }
402
403 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX,
404 skb->len);
405 memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer,
406 skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), skb_headlen(skb)));
407 wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE),
408 skb_headlen(skb)));
409 wqe_fragment_length[1] = 0;
410 if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) {
411 if ((skb_shinfo(skb)->nr_frags + 1) > 4) {
412 nes_debug(NES_DBG_NIC_TX, "%s: Packet with %u fragments not sent, skb_headlen=%u\n",
413 netdev->name, skb_shinfo(skb)->nr_frags + 2, skb_headlen(skb));
414 kfree_skb(skb);
415 nesvnic->tx_sw_dropped++;
416 return NETDEV_TX_LOCKED;
417 }
418 set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
419 bus_address = pci_map_single(nesdev->pcidev, skb->data + NES_FIRST_FRAG_SIZE,
420 skb_headlen(skb) - NES_FIRST_FRAG_SIZE, PCI_DMA_TODEVICE);
421 wqe_fragment_length[wqe_fragment_index++] =
422 cpu_to_le16(skb_headlen(skb) - NES_FIRST_FRAG_SIZE);
423 wqe_fragment_length[wqe_fragment_index] = 0;
424 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
425 ((u64)(bus_address)));
426 nesnic->tx_skb[nesnic->sq_head] = skb;
427 }
428
429 if (skb_headlen(skb) == skb->len) {
430 if (skb_headlen(skb) <= NES_FIRST_FRAG_SIZE) {
431 nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_2_1_IDX] = 0;
2869975c 432 nesnic->tx_skb[nesnic->sq_head] = skb;
3c2d774c
GS		 433 }
434 } else {
435 /* Deal with Fragments */
436 nesnic->tx_skb[nesnic->sq_head] = skb;
437 for (skb_fragment_index = 0; skb_fragment_index < skb_shinfo(skb)->nr_frags;
438 skb_fragment_index++) {
cf383ebb
IC		 439 skb_frag_t *frag =
440 &skb_shinfo(skb)->frags[skb_fragment_index];
441 bus_address = skb_frag_dma_map(&nesdev->pcidev->dev,
9e903e08 442 frag, 0, skb_frag_size(frag),
5d6bcdfe 443 DMA_TO_DEVICE);
3c2d774c 444 wqe_fragment_length[wqe_fragment_index] =
9e903e08 445 cpu_to_le16(skb_frag_size(&skb_shinfo(skb)->frags[skb_fragment_index]));
3c2d774c
GS		 446 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
447 bus_address);
448 wqe_fragment_index++;
449 if (wqe_fragment_index < 5)
450 wqe_fragment_length[wqe_fragment_index] = 0;
451 }
452 }
453
454 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, wqe_misc);
455 nesnic->sq_head++;
456 nesnic->sq_head &= nesnic->sq_size - 1;
457
458 return NETDEV_TX_OK;
459}
460
461
462/**
463 * nes_netdev_start_xmit
464 */
465static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev)
466{
467 struct nes_vnic *nesvnic = netdev_priv(netdev);
468 struct nes_device *nesdev = nesvnic->nesdev;
469 struct nes_hw_nic *nesnic = &nesvnic->nic;
470 struct nes_hw_nic_sq_wqe *nic_sqe;
471 struct tcphdr *tcph;
472 /* struct udphdr *udph; */
a06fd26d 473#define NES_MAX_TSO_FRAGS MAX_SKB_FRAGS
3c2d774c
GS		 474 /* 64K segment plus overflow on each side */
475 dma_addr_t tso_bus_address[NES_MAX_TSO_FRAGS];
476 dma_addr_t bus_address;
477 u32 tso_frag_index;
478 u32 tso_frag_count;
479 u32 tso_wqe_length;
480 u32 curr_tcp_seq;
481 u32 wqe_count=1;
482 u32 send_rc;
483 struct iphdr *iph;
3c2d774c
GS		 484 __le16 *wqe_fragment_length;
485 u32 nr_frags;
486 u32 original_first_length;
7495ab68 487 /* u64 *wqe_fragment_address; */
3c2d774c
GS		 488 /* first fragment (0) is used by copy buffer */
489 u16 wqe_fragment_index=1;
490 u16 hoffset;
491 u16 nhoffset;
492 u16 wqes_needed;
493 u16 wqes_available;
3c2d774c
GS		 494 u32 wqe_misc;
495
7495ab68
GS		 496 /*
497 * nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u,"
498 * " (%u frags), tso_size=%u\n",
499 * netdev->name, skb->len, skb_headlen(skb),
500 * skb_shinfo(skb)->nr_frags, skb_is_gso(skb));
501 */
3c2d774c
GS		 502
503 if (!netif_carrier_ok(netdev))
504 return NETDEV_TX_OK;
505
506 if (netif_queue_stopped(netdev))
507 return NETDEV_TX_BUSY;
508
3c2d774c
GS		 509 /* Check if SQ is full */
510 if ((((nesnic->sq_tail+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) == 1) {
511 if (!netif_queue_stopped(netdev)) {
512 netif_stop_queue(netdev);
513 barrier();
514 if ((((((volatile u16)nesnic->sq_tail)+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) != 1) {
515 netif_start_queue(netdev);
516 goto sq_no_longer_full;
517 }
518 }
519 nesvnic->sq_full++;
3c2d774c
GS		 520 return NETDEV_TX_BUSY;
521 }
522
523sq_no_longer_full:
524 nr_frags = skb_shinfo(skb)->nr_frags;
525 if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) {
526 nr_frags++;
527 }
528 /* Check if too many fragments */
529 if (unlikely((nr_frags > 4))) {
530 if (skb_is_gso(skb)) {
531 nesvnic->segmented_tso_requests++;
532 nesvnic->tso_requests++;
3c2d774c
GS		 533 /* Basically 4 fragments available per WQE with extended fragments */
534 wqes_needed = nr_frags >> 2;
535 wqes_needed += (nr_frags&3)?1:0;
536 wqes_available = (((nesnic->sq_tail+nesnic->sq_size)-nesnic->sq_head) - 1) &
537 (nesnic->sq_size - 1);
538
539 if (unlikely(wqes_needed > wqes_available)) {
540 if (!netif_queue_stopped(netdev)) {
541 netif_stop_queue(netdev);
542 barrier();
543 wqes_available = (((((volatile u16)nesnic->sq_tail)+nesnic->sq_size)-nesnic->sq_head) - 1) &
544 (nesnic->sq_size - 1);
545 if (wqes_needed <= wqes_available) {
546 netif_start_queue(netdev);
547 goto tso_sq_no_longer_full;
548 }
549 }
550 nesvnic->sq_full++;
3c2d774c
GS		 551 nes_debug(NES_DBG_NIC_TX, "%s: HNIC SQ full- TSO request has too many frags!\n",
552 netdev->name);
553 return NETDEV_TX_BUSY;
554 }
555tso_sq_no_longer_full:
556 /* Map all the buffers */
557 for (tso_frag_count=0; tso_frag_count < skb_shinfo(skb)->nr_frags;
558 tso_frag_count++) {
cf383ebb
IC		 559 skb_frag_t *frag =
560 &skb_shinfo(skb)->frags[tso_frag_count];
561 tso_bus_address[tso_frag_count] =
562 skb_frag_dma_map(&nesdev->pcidev->dev,
9e903e08 563 frag, 0, skb_frag_size(frag),
5d6bcdfe 564 DMA_TO_DEVICE);
3c2d774c
GS		 565 }
566
567 tso_frag_index = 0;
568 curr_tcp_seq = ntohl(tcp_hdr(skb)->seq);
569 hoffset = skb_transport_header(skb) - skb->data;
570 nhoffset = skb_network_header(skb) - skb->data;
571 original_first_length = hoffset + ((((struct tcphdr *)skb_transport_header(skb))->doff)<<2);
572
573 for (wqe_count=0; wqe_count<((u32)wqes_needed); wqe_count++) {
574 tso_wqe_length = 0;
575 nic_sqe = &nesnic->sq_vbase[nesnic->sq_head];
576 wqe_fragment_length =
577 (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX];
578 /* setup the VLAN tag if present */
579 if (vlan_tx_tag_present(skb)) {
580 nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n",
581 netdev->name, vlan_tx_tag_get(skb) );
582 wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE;
583 wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb);
584 } else
585 wqe_misc = 0;
586
587 /* bump past the vlan tag */
588 wqe_fragment_length++;
589
590 /* Assumes header totally fits in allocated buffer and is in first fragment */
591 if (original_first_length > NES_FIRST_FRAG_SIZE) {
592 nes_debug(NES_DBG_NIC_TX, "ERROR: SKB header too big, headlen=%u, FIRST_FRAG_SIZE=%u\n",
593 original_first_length, NES_FIRST_FRAG_SIZE);
594 nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u,"
6ad1be81 595 " (%u frags), is_gso = %u tso_size=%u\n",
3c2d774c
GS		 596 netdev->name,
597 skb->len, skb_headlen(skb),
6ad1be81 598 skb_shinfo(skb)->nr_frags, skb_is_gso(skb), skb_shinfo(skb)->gso_size);
3c2d774c
GS		 599 }
600 memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer,
601 skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE),
602 original_first_length));
603 iph = (struct iphdr *)
604 (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[nhoffset]);
605 tcph = (struct tcphdr *)
606 (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[hoffset]);
607 if ((wqe_count+1)!=(u32)wqes_needed) {
608 tcph->fin = 0;
609 tcph->psh = 0;
610 tcph->rst = 0;
611 tcph->urg = 0;
612 }
613 if (wqe_count) {
614 tcph->syn = 0;
615 }
616 tcph->seq = htonl(curr_tcp_seq);
617 wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE),
618 original_first_length));
619
620 wqe_fragment_index = 1;
621 if ((wqe_count==0) && (skb_headlen(skb) > original_first_length)) {
622 set_bit(nesnic->sq_head, nesnic->first_frag_overflow);
623 bus_address = pci_map_single(nesdev->pcidev, skb->data + original_first_length,
624 skb_headlen(skb) - original_first_length, PCI_DMA_TODEVICE);
625 wqe_fragment_length[wqe_fragment_index++] =
626 cpu_to_le16(skb_headlen(skb) - original_first_length);
627 wqe_fragment_length[wqe_fragment_index] = 0;
628 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX,
629 bus_address);
168ac824
CT		 630 tso_wqe_length += skb_headlen(skb) -
631 original_first_length;
3c2d774c
GS		 632 }
633 while (wqe_fragment_index < 5) {
634 wqe_fragment_length[wqe_fragment_index] =
9e903e08 635 cpu_to_le16(skb_frag_size(&skb_shinfo(skb)->frags[tso_frag_index]));
3c2d774c
GS		 636 set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index),
637 (u64)tso_bus_address[tso_frag_index]);
638 wqe_fragment_index++;
9e903e08 639 tso_wqe_length += skb_frag_size(&skb_shinfo(skb)->frags[tso_frag_index++]);
3c2d774c
GS		 640 if (wqe_fragment_index < 5)
641 wqe_fragment_length[wqe_fragment_index] = 0;
642 if (tso_frag_index == tso_frag_count)
643 break;
644 }
645 if ((wqe_count+1) == (u32)wqes_needed) {
646 nesnic->tx_skb[nesnic->sq_head] = skb;
647 } else {
648 nesnic->tx_skb[nesnic->sq_head] = NULL;
649 }
6ad1be81
TN		 650 wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_shinfo(skb)->gso_size;
651 if ((tso_wqe_length + original_first_length) > skb_shinfo(skb)->gso_size) {
3c2d774c
GS		 652 wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE;
653 } else {
654 iph->tot_len = htons(tso_wqe_length + original_first_length - nhoffset);
655 }
656
657 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX,
658 wqe_misc);
659 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX,
660 ((u32)tcph->doff) | (((u32)hoffset) << 4));
661
662 set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX,
663 tso_wqe_length + original_first_length);
664 curr_tcp_seq += tso_wqe_length;
665 nesnic->sq_head++;
666 nesnic->sq_head &= nesnic->sq_size-1;
667 }
668 } else {
669 nesvnic->linearized_skbs++;
670 hoffset = skb_transport_header(skb) - skb->data;
671 nhoffset = skb_network_header(skb) - skb->data;
672 skb_linearize(skb);
673 skb_set_transport_header(skb, hoffset);
674 skb_set_network_header(skb, nhoffset);
675 send_rc = nes_nic_send(skb, netdev);
2869975c 676 if (send_rc != NETDEV_TX_OK)
3c2d774c 677 return NETDEV_TX_OK;
3c2d774c
GS		 678 }
679 } else {
680 send_rc = nes_nic_send(skb, netdev);
2869975c 681 if (send_rc != NETDEV_TX_OK)
3c2d774c 682 return NETDEV_TX_OK;
3c2d774c
GS		 683 }
684
685 barrier();
686
687 if (wqe_count)
688 nes_write32(nesdev->regs+NES_WQE_ALLOC,
689 (wqe_count << 24) | (1 << 23) | nesvnic->nic.qp_id);
690
691 netdev->trans_start = jiffies;
3c2d774c
GS		 692
693 return NETDEV_TX_OK;
694}
695
696
697/**
698 * nes_netdev_get_stats
699 */
700static struct net_device_stats *nes_netdev_get_stats(struct net_device *netdev)
701{
702 struct nes_vnic *nesvnic = netdev_priv(netdev);
703 struct nes_device *nesdev = nesvnic->nesdev;
704 u64 u64temp;
705 u32 u32temp;
706
707 u32temp = nes_read_indexed(nesdev,
708 NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + (nesvnic->nic_index*0x200));
709 nesvnic->netstats.rx_dropped += u32temp;
710 nesvnic->endnode_nstat_rx_discard += u32temp;
711
712 u64temp = (u64)nes_read_indexed(nesdev,
713 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + (nesvnic->nic_index*0x200));
714 u64temp += ((u64)nes_read_indexed(nesdev,
715 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32;
716
717 nesvnic->endnode_nstat_rx_octets += u64temp;
718 nesvnic->netstats.rx_bytes += u64temp;
719
720 u64temp = (u64)nes_read_indexed(nesdev,
721 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + (nesvnic->nic_index*0x200));
722 u64temp += ((u64)nes_read_indexed(nesdev,
723 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32;
724
725 nesvnic->endnode_nstat_rx_frames += u64temp;
726 nesvnic->netstats.rx_packets += u64temp;
727
728 u64temp = (u64)nes_read_indexed(nesdev,
729 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + (nesvnic->nic_index*0x200));
730 u64temp += ((u64)nes_read_indexed(nesdev,
731 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32;
732
733 nesvnic->endnode_nstat_tx_octets += u64temp;
734 nesvnic->netstats.tx_bytes += u64temp;
735
736 u64temp = (u64)nes_read_indexed(nesdev,
737 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + (nesvnic->nic_index*0x200));
738 u64temp += ((u64)nes_read_indexed(nesdev,
739 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32;
740
741 nesvnic->endnode_nstat_tx_frames += u64temp;
742 nesvnic->netstats.tx_packets += u64temp;
743
744 u32temp = nes_read_indexed(nesdev,
745 NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
746 nesvnic->netstats.rx_dropped += u32temp;
747 nesvnic->nesdev->mac_rx_errors += u32temp;
748 nesvnic->nesdev->mac_rx_short_frames += u32temp;
749
750 u32temp = nes_read_indexed(nesdev,
751 NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
752 nesvnic->netstats.rx_dropped += u32temp;
753 nesvnic->nesdev->mac_rx_errors += u32temp;
754 nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
755
756 u32temp = nes_read_indexed(nesdev,
757 NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
758 nesvnic->netstats.rx_dropped += u32temp;
759 nesvnic->nesdev->mac_rx_errors += u32temp;
760 nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
761
762 u32temp = nes_read_indexed(nesdev,
763 NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
764 nesvnic->netstats.rx_dropped += u32temp;
765 nesvnic->nesdev->mac_rx_errors += u32temp;
766 nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
767
768 u32temp = nes_read_indexed(nesdev,
769 NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
770 nesvnic->netstats.rx_length_errors += u32temp;
771 nesvnic->nesdev->mac_rx_errors += u32temp;
772
773 u32temp = nes_read_indexed(nesdev,
774 NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
775 nesvnic->nesdev->mac_rx_errors += u32temp;
776 nesvnic->nesdev->mac_rx_crc_errors += u32temp;
777 nesvnic->netstats.rx_crc_errors += u32temp;
778
779 u32temp = nes_read_indexed(nesdev,
780 NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
781 nesvnic->nesdev->mac_tx_errors += u32temp;
782 nesvnic->netstats.tx_errors += u32temp;
783
784 return &nesvnic->netstats;
785}
786
787
788/**
789 * nes_netdev_tx_timeout
790 */
791static void nes_netdev_tx_timeout(struct net_device *netdev)
792{
793 struct nes_vnic *nesvnic = netdev_priv(netdev);
794
795 if (netif_msg_timer(nesvnic))
796 nes_debug(NES_DBG_NIC_TX, "%s: tx timeout\n", netdev->name);
797}
798
799
800/**
801 * nes_netdev_set_mac_address
802 */
803static int nes_netdev_set_mac_address(struct net_device *netdev, void *p)
804{
805 struct nes_vnic *nesvnic = netdev_priv(netdev);
806 struct nes_device *nesdev = nesvnic->nesdev;
807 struct sockaddr *mac_addr = p;
808 int i;
809 u32 macaddr_low;
810 u16 macaddr_high;
811
812 if (!is_valid_ether_addr(mac_addr->sa_data))
813 return -EADDRNOTAVAIL;
814
815 memcpy(netdev->dev_addr, mac_addr->sa_data, netdev->addr_len);
e174961c
JB		 816 printk(PFX "%s: Address length = %d, Address = %pM\n",
817 __func__, netdev->addr_len, mac_addr->sa_data);
7495ab68 818 macaddr_high = ((u16)netdev->dev_addr[0]) << 8;
3c2d774c 819 macaddr_high += (u16)netdev->dev_addr[1];
7495ab68
GS		 820 macaddr_low = ((u32)netdev->dev_addr[2]) << 24;
821 macaddr_low += ((u32)netdev->dev_addr[3]) << 16;
822 macaddr_low += ((u32)netdev->dev_addr[4]) << 8;
823 macaddr_low += (u32)netdev->dev_addr[5];
3c2d774c
GS		 824
825 for (i = 0; i < NES_MAX_PORT_COUNT; i++) {
826 if (nesvnic->qp_nic_index[i] == 0xf) {
827 break;
828 }
829 nes_write_indexed(nesdev,
830 NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8),
831 macaddr_low);
832 nes_write_indexed(nesdev,
833 NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8),
834 (u32)macaddr_high | NES_MAC_ADDR_VALID |
835 ((((u32)nesvnic->nic_index) << 16)));
836 }
837 return 0;
838}
839
840
fbf219f1
JP		 841static void set_allmulti(struct nes_device *nesdev, u32 nic_active_bit)
842{
843 u32 nic_active;
844
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);
851}
852
853#define get_addr(addrs, index) ((addrs) + (index) * ETH_ALEN)
854
3c2d774c
GS		 855/**
856 * nes_netdev_set_multicast_list
857 */
1a855fbf 858static void nes_netdev_set_multicast_list(struct net_device *netdev)
3c2d774c
GS		 859{
860 struct nes_vnic *nesvnic = netdev_priv(netdev);
861 struct nes_device *nesdev = nesvnic->nesdev;
7e36d3d7 862 struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
3c2d774c
GS		 863 u32 nic_active_bit;
864 u32 nic_active;
865 u32 perfect_filter_register_address;
866 u32 macaddr_low;
867 u16 macaddr_high;
868 u8 mc_all_on = 0;
869 u8 mc_index;
870 int mc_nic_index = -1;
7e36d3d7
VM		 871 u8 pft_entries_preallocated = max(nesadapter->adapter_fcn_count *
872 nics_per_function, 4);
873 u8 max_pft_entries_avaiable = NES_PFT_SIZE - pft_entries_preallocated;
874 unsigned long flags;
fbf219f1 875 int mc_count = netdev_mc_count(netdev);
3c2d774c 876
7e36d3d7 877 spin_lock_irqsave(&nesadapter->resource_lock, flags);
3c2d774c
GS		 878 nic_active_bit = 1 << nesvnic->nic_index;
879
880 if (netdev->flags & IFF_PROMISC) {
881 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
882 nic_active |= nic_active_bit;
883 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
884 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
885 nic_active |= nic_active_bit;
886 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
887 mc_all_on = 1;
7e36d3d7 888 } else if ((netdev->flags & IFF_ALLMULTI) ||
3c2d774c 889 (nesvnic->nic_index > 3)) {
fbf219f1 890 set_allmulti(nesdev, nic_active_bit);
3c2d774c
GS		 891 mc_all_on = 1;
892 } else {
893 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL);
894 nic_active &= ~nic_active_bit;
895 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active);
896 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
897 nic_active &= ~nic_active_bit;
898 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
899 }
900
25985edc 901 nes_debug(NES_DBG_NIC_RX, "Number of MC entries = %d, Promiscuous = %d, All Multicast = %d.\n",
fbf219f1 902 mc_count, !!(netdev->flags & IFF_PROMISC),
7e36d3d7 903 !!(netdev->flags & IFF_ALLMULTI));
3c2d774c 904 if (!mc_all_on) {
fbf219f1
JP		 905 char *addrs;
906 int i;
22bedad3 907 struct netdev_hw_addr *ha;
fbf219f1
JP		 908
909 addrs = kmalloc(ETH_ALEN * mc_count, GFP_ATOMIC);
910 if (!addrs) {
911 set_allmulti(nesdev, nic_active_bit);
912 goto unlock;
913 }
914 i = 0;
22bedad3
JP		 915 netdev_for_each_mc_addr(ha, netdev)
916 memcpy(get_addr(addrs, i++), ha->addr, ETH_ALEN);
fbf219f1 917
7e36d3d7
VM		 918 perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW +
919 pft_entries_preallocated * 0x8;
fbf219f1
JP		 920 for (i = 0, mc_index = 0; mc_index < max_pft_entries_avaiable;
921 mc_index++) {
922 while (i < mc_count && nesvnic->mcrq_mcast_filter &&
7e36d3d7 923 ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic,
fbf219f1 924 get_addr(addrs, i++))) == 0));
3c2d774c
GS		 925 if (mc_nic_index < 0)
926 mc_nic_index = nesvnic->nic_index;
7e36d3d7
VM		 927 while (nesadapter->pft_mcast_map[mc_index] < 16 &&
928 nesadapter->pft_mcast_map[mc_index] !=
929 nesvnic->nic_index &&
930 mc_index < max_pft_entries_avaiable) {
931 nes_debug(NES_DBG_NIC_RX,
601d87b0
JP		 932 "mc_index=%d skipping nic_index=%d, "
933 "used for=%d \n", mc_index,
7e36d3d7
VM		 934 nesvnic->nic_index,
935 nesadapter->pft_mcast_map[mc_index]);
936 mc_index++;
937 }
938 if (mc_index >= max_pft_entries_avaiable)
939 break;
fbf219f1
JP		 940 if (i < mc_count) {
941 char *addr = get_addr(addrs, i++);
942
e174961c 943 nes_debug(NES_DBG_NIC_RX, "Assigning MC Address %pM to register 0x%04X nic_idx=%d\n",
fbf219f1 944 addr,
2bd01c5d
RD		 945 perfect_filter_register_address+(mc_index * 8),
946 mc_nic_index);
fbf219f1
JP		 947 macaddr_high = ((u16) addr[0]) << 8;
948 macaddr_high += (u16) addr[1];
949 macaddr_low = ((u32) addr[2]) << 24;
950 macaddr_low += ((u32) addr[3]) << 16;
951 macaddr_low += ((u32) addr[4]) << 8;
952 macaddr_low += (u32) addr[5];
3c2d774c
GS		 953 nes_write_indexed(nesdev,
954 perfect_filter_register_address+(mc_index * 8),
955 macaddr_low);
956 nes_write_indexed(nesdev,
957 perfect_filter_register_address+4+(mc_index * 8),
958 (u32)macaddr_high | NES_MAC_ADDR_VALID |
959 ((((u32)(1<<mc_nic_index)) << 16)));
7e36d3d7
VM		 960 nesadapter->pft_mcast_map[mc_index] =
961 nesvnic->nic_index;
3c2d774c
GS		 962 } else {
963 nes_debug(NES_DBG_NIC_RX, "Clearing MC Address at register 0x%04X\n",
964 perfect_filter_register_address+(mc_index * 8));
965 nes_write_indexed(nesdev,
966 perfect_filter_register_address+4+(mc_index * 8),
967 0);
7e36d3d7 968 nesadapter->pft_mcast_map[mc_index] = 255;
3c2d774c
GS		 969 }
970 }
fbf219f1 971 kfree(addrs);
7e36d3d7 972 /* PFT is not large enough */
fbf219f1
JP		 973 if (i < mc_count)
974 set_allmulti(nesdev, nic_active_bit);
3c2d774c 975 }
7e36d3d7 976
fbf219f1 977unlock:
7e36d3d7 978 spin_unlock_irqrestore(&nesadapter->resource_lock, flags);
3c2d774c
GS		 979}
980
981
982/**
983 * nes_netdev_change_mtu
984 */
7495ab68 985static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu)
3c2d774c
GS		 986{
987 struct nes_vnic *nesvnic = netdev_priv(netdev);
7495ab68
GS		 988 struct nes_device *nesdev = nesvnic->nesdev;
989 int ret = 0;
990 u8 jumbomode = 0;
e0e31afb
BS		 991 u32 nic_active;
992 u32 nic_active_bit;
993 u32 uc_all_active;
994 u32 mc_all_active;
3c2d774c 995
7495ab68 996 if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu))
3c2d774c
GS		 997 return -EINVAL;
998
7495ab68 999 netdev->mtu = new_mtu;
edd2fd64 1000 nesvnic->max_frame_size = new_mtu + VLAN_ETH_HLEN;
3c2d774c
GS		 1001
1002 if (netdev->mtu > 1500) {
1003 jumbomode=1;
1004 }
7495ab68 1005 nes_nic_init_timer_defaults(nesdev, jumbomode);
3c2d774c
GS		 1006
1007 if (netif_running(netdev)) {
e0e31afb
BS		 1008 nic_active_bit = 1 << nesvnic->nic_index;
1009 mc_all_active = nes_read_indexed(nesdev,
1010 NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit;
1011 uc_all_active = nes_read_indexed(nesdev,
1012 NES_IDX_NIC_UNICAST_ALL) & nic_active_bit;
1013
3c2d774c
GS		 1014 nes_netdev_stop(netdev);
1015 nes_netdev_open(netdev);
e0e31afb
BS		 1016
1017 nic_active = nes_read_indexed(nesdev,
1018 NES_IDX_NIC_MULTICAST_ALL);
1019 nic_active |= mc_all_active;
1020 nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL,
1021 nic_active);
1022
1023 nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL);
1024 nic_active |= uc_all_active;
1025 nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active);
3c2d774c
GS		 1026 }
1027
1028 return ret;
1029}
1030
39942a02 1031
37dab411 1032static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = {
3c2d774c
GS		 1033 "Link Change Interrupts",
1034 "Linearized SKBs",
1035 "T/GSO Requests",
1036 "Pause Frames Sent",
1037 "Pause Frames Received",
1038 "Internal Routing Errors",
1039 "SQ SW Dropped SKBs",
3c2d774c
GS		 1040 "SQ Full",
1041 "Segmented TSO Requests",
1042 "Rx Symbol Errors",
1043 "Rx Jabber Errors",
1044 "Rx Oversized Frames",
1045 "Rx Short Frames",
39942a02
FL		 1046 "Rx Length Errors",
1047 "Rx CRC Errors",
1048 "Rx Port Discard",
3c2d774c
GS		 1049 "Endnode Rx Discards",
1050 "Endnode Rx Octets",
1051 "Endnode Rx Frames",
1052 "Endnode Tx Octets",
1053 "Endnode Tx Frames",
39942a02 1054 "Tx Errors",
3c2d774c
GS		 1055 "mh detected",
1056 "mh pauses",
1057 "Retransmission Count",
1058 "CM Connects",
1059 "CM Accepts",
1060 "Disconnects",
1061 "Connected Events",
1062 "Connect Requests",
1063 "CM Rejects",
1064 "ModifyQP Timeouts",
1065 "CreateQPs",
1066 "SW DestroyQPs",
1067 "DestroyQPs",
1068 "CM Closes",
1069 "CM Packets Sent",
1070 "CM Packets Bounced",
1071 "CM Packets Created",
1072 "CM Packets Rcvd",
1073 "CM Packets Dropped",
1074 "CM Packets Retrans",
1075 "CM Listens Created",
1076 "CM Listens Destroyed",
1077 "CM Backlog Drops",
1078 "CM Loopbacks",
1079 "CM Nodes Created",
1080 "CM Nodes Destroyed",
1081 "CM Accel Drops",
1082 "CM Resets Received",
39942a02
FL		 1083 "Free 4Kpbls",
1084 "Free 256pbls",
3c2d774c 1085 "Timer Inits",
37dab411
FL		 1086 "LRO aggregated",
1087 "LRO flushed",
1088 "LRO no_desc",
0f0bee8b
FL		 1089 "PAU CreateQPs",
1090 "PAU DestroyQPs",
3c2d774c 1091};
37dab411 1092#define NES_ETHTOOL_STAT_COUNT ARRAY_SIZE(nes_ethtool_stringset)
3c2d774c 1093
3c2d774c
GS		 1094
1095/**
15f0a394 1096 * nes_netdev_get_sset_count
3c2d774c 1097 */
15f0a394 1098static int nes_netdev_get_sset_count(struct net_device *netdev, int stringset)
3c2d774c 1099{
15f0a394
BH		 1100 if (stringset == ETH_SS_STATS)
1101 return NES_ETHTOOL_STAT_COUNT;
1102 else
1103 return -EINVAL;
3c2d774c
GS		 1104}
1105
1106
1107/**
1108 * nes_netdev_get_strings
1109 */
1110static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset,
1111 u8 *ethtool_strings)
1112{
1113 if (stringset == ETH_SS_STATS)
1114 memcpy(ethtool_strings,
1115 &nes_ethtool_stringset,
1116 sizeof(nes_ethtool_stringset));
1117}
1118
1119
1120/**
1121 * nes_netdev_get_ethtool_stats
1122 */
39942a02 1123
3c2d774c
GS		 1124static void nes_netdev_get_ethtool_stats(struct net_device *netdev,
1125 struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values)
1126{
1127 u64 u64temp;
1128 struct nes_vnic *nesvnic = netdev_priv(netdev);
1129 struct nes_device *nesdev = nesvnic->nesdev;
39942a02 1130 struct nes_adapter *nesadapter = nesdev->nesadapter;
3c2d774c
GS		 1131 u32 nic_count;
1132 u32 u32temp;
2869975c 1133 u32 index = 0;
3c2d774c
GS		 1134
1135 target_ethtool_stats->n_stats = NES_ETHTOOL_STAT_COUNT;
2869975c
FL		 1136 target_stat_values[index] = nesvnic->nesdev->link_status_interrupts;
1137 target_stat_values[++index] = nesvnic->linearized_skbs;
1138 target_stat_values[++index] = nesvnic->tso_requests;
3c2d774c
GS		 1139
1140 u32temp = nes_read_indexed(nesdev,
1141 NES_IDX_MAC_TX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1142 nesvnic->nesdev->mac_pause_frames_sent += u32temp;
2869975c 1143 target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_sent;
3c2d774c
GS		 1144
1145 u32temp = nes_read_indexed(nesdev,
1146 NES_IDX_MAC_RX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1147 nesvnic->nesdev->mac_pause_frames_received += u32temp;
1148
1149 u32temp = nes_read_indexed(nesdev,
1150 NES_IDX_PORT_RX_DISCARDS + (nesvnic->nesdev->mac_index*0x40));
1151 nesvnic->nesdev->port_rx_discards += u32temp;
1152 nesvnic->netstats.rx_dropped += u32temp;
1153
1154 u32temp = nes_read_indexed(nesdev,
1155 NES_IDX_PORT_TX_DISCARDS + (nesvnic->nesdev->mac_index*0x40));
1156 nesvnic->nesdev->port_tx_discards += u32temp;
1157 nesvnic->netstats.tx_dropped += u32temp;
1158
39942a02
FL		 1159 u32temp = nes_read_indexed(nesdev,
1160 NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1161 nesvnic->netstats.rx_dropped += u32temp;
1162 nesvnic->nesdev->mac_rx_errors += u32temp;
1163 nesvnic->nesdev->mac_rx_short_frames += u32temp;
1164
1165 u32temp = nes_read_indexed(nesdev,
1166 NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1167 nesvnic->netstats.rx_dropped += u32temp;
1168 nesvnic->nesdev->mac_rx_errors += u32temp;
1169 nesvnic->nesdev->mac_rx_oversized_frames += u32temp;
1170
1171 u32temp = nes_read_indexed(nesdev,
1172 NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1173 nesvnic->netstats.rx_dropped += u32temp;
1174 nesvnic->nesdev->mac_rx_errors += u32temp;
1175 nesvnic->nesdev->mac_rx_jabber_frames += u32temp;
1176
1177 u32temp = nes_read_indexed(nesdev,
1178 NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1179 nesvnic->netstats.rx_dropped += u32temp;
1180 nesvnic->nesdev->mac_rx_errors += u32temp;
1181 nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp;
1182
1183 u32temp = nes_read_indexed(nesdev,
1184 NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1185 nesvnic->netstats.rx_length_errors += u32temp;
1186 nesvnic->nesdev->mac_rx_errors += u32temp;
1187
1188 u32temp = nes_read_indexed(nesdev,
1189 NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200));
1190 nesvnic->nesdev->mac_rx_errors += u32temp;
1191 nesvnic->nesdev->mac_rx_crc_errors += u32temp;
1192 nesvnic->netstats.rx_crc_errors += u32temp;
1193
1194 u32temp = nes_read_indexed(nesdev,
1195 NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200));
1196 nesvnic->nesdev->mac_tx_errors += u32temp;
1197 nesvnic->netstats.tx_errors += u32temp;
1198
3c2d774c
GS		 1199 for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) {
1200 if (nesvnic->qp_nic_index[nic_count] == 0xf)
1201 break;
1202
1203 u32temp = nes_read_indexed(nesdev,
1204 NES_IDX_ENDNODE0_NSTAT_RX_DISCARD +
1205 (nesvnic->qp_nic_index[nic_count]*0x200));
1206 nesvnic->netstats.rx_dropped += u32temp;
1207 nesvnic->endnode_nstat_rx_discard += u32temp;
1208
1209 u64temp = (u64)nes_read_indexed(nesdev,
1210 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO +
1211 (nesvnic->qp_nic_index[nic_count]*0x200));
1212 u64temp += ((u64)nes_read_indexed(nesdev,
1213 NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI +
1214 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1215
1216 nesvnic->endnode_nstat_rx_octets += u64temp;
1217 nesvnic->netstats.rx_bytes += u64temp;
1218
1219 u64temp = (u64)nes_read_indexed(nesdev,
1220 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO +
1221 (nesvnic->qp_nic_index[nic_count]*0x200));
1222 u64temp += ((u64)nes_read_indexed(nesdev,
1223 NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI +
1224 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1225
1226 nesvnic->endnode_nstat_rx_frames += u64temp;
1227 nesvnic->netstats.rx_packets += u64temp;
1228
1229 u64temp = (u64)nes_read_indexed(nesdev,
1230 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO +
1231 (nesvnic->qp_nic_index[nic_count]*0x200));
1232 u64temp += ((u64)nes_read_indexed(nesdev,
1233 NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI +
1234 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1235
1236 nesvnic->endnode_nstat_tx_octets += u64temp;
1237 nesvnic->netstats.tx_bytes += u64temp;
1238
1239 u64temp = (u64)nes_read_indexed(nesdev,
1240 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO +
1241 (nesvnic->qp_nic_index[nic_count]*0x200));
1242 u64temp += ((u64)nes_read_indexed(nesdev,
1243 NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI +
1244 (nesvnic->qp_nic_index[nic_count]*0x200))) << 32;
1245
1246 nesvnic->endnode_nstat_tx_frames += u64temp;
1247 nesvnic->netstats.tx_packets += u64temp;
1248
1249 u32temp = nes_read_indexed(nesdev,
1250 NES_IDX_IPV4_TCP_REXMITS + (nesvnic->qp_nic_index[nic_count]*0x200));
1251 nesvnic->endnode_ipv4_tcp_retransmits += u32temp;
1252 }
1253
2869975c
FL		 1254 target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_received;
1255 target_stat_values[++index] = nesdev->nesadapter->nic_rx_eth_route_err;
1256 target_stat_values[++index] = nesvnic->tx_sw_dropped;
1257 target_stat_values[++index] = nesvnic->sq_full;
1258 target_stat_values[++index] = nesvnic->segmented_tso_requests;
1259 target_stat_values[++index] = nesvnic->nesdev->mac_rx_symbol_err_frames;
1260 target_stat_values[++index] = nesvnic->nesdev->mac_rx_jabber_frames;
1261 target_stat_values[++index] = nesvnic->nesdev->mac_rx_oversized_frames;
1262 target_stat_values[++index] = nesvnic->nesdev->mac_rx_short_frames;
39942a02
FL		 1263 target_stat_values[++index] = nesvnic->netstats.rx_length_errors;
1264 target_stat_values[++index] = nesvnic->nesdev->mac_rx_crc_errors;
1265 target_stat_values[++index] = nesvnic->nesdev->port_rx_discards;
2869975c
FL		 1266 target_stat_values[++index] = nesvnic->endnode_nstat_rx_discard;
1267 target_stat_values[++index] = nesvnic->endnode_nstat_rx_octets;
1268 target_stat_values[++index] = nesvnic->endnode_nstat_rx_frames;
1269 target_stat_values[++index] = nesvnic->endnode_nstat_tx_octets;
1270 target_stat_values[++index] = nesvnic->endnode_nstat_tx_frames;
39942a02 1271 target_stat_values[++index] = nesvnic->nesdev->mac_tx_errors;
2869975c
FL		 1272 target_stat_values[++index] = mh_detected;
1273 target_stat_values[++index] = mh_pauses_sent;
1274 target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits;
1275 target_stat_values[++index] = atomic_read(&cm_connects);
1276 target_stat_values[++index] = atomic_read(&cm_accepts);
1277 target_stat_values[++index] = atomic_read(&cm_disconnects);
1278 target_stat_values[++index] = atomic_read(&cm_connecteds);
1279 target_stat_values[++index] = atomic_read(&cm_connect_reqs);
1280 target_stat_values[++index] = atomic_read(&cm_rejects);
1281 target_stat_values[++index] = atomic_read(&mod_qp_timouts);
1282 target_stat_values[++index] = atomic_read(&qps_created);
1283 target_stat_values[++index] = atomic_read(&sw_qps_destroyed);
1284 target_stat_values[++index] = atomic_read(&qps_destroyed);
1285 target_stat_values[++index] = atomic_read(&cm_closes);
1286 target_stat_values[++index] = cm_packets_sent;
1287 target_stat_values[++index] = cm_packets_bounced;
1288 target_stat_values[++index] = cm_packets_created;
1289 target_stat_values[++index] = cm_packets_received;
1290 target_stat_values[++index] = cm_packets_dropped;
1291 target_stat_values[++index] = cm_packets_retrans;
6e10d2e4
FL		 1292 target_stat_values[++index] = atomic_read(&cm_listens_created);
1293 target_stat_values[++index] = atomic_read(&cm_listens_destroyed);
2869975c
FL		 1294 target_stat_values[++index] = cm_backlog_drops;
1295 target_stat_values[++index] = atomic_read(&cm_loopbacks);
1296 target_stat_values[++index] = atomic_read(&cm_nodes_created);
1297 target_stat_values[++index] = atomic_read(&cm_nodes_destroyed);
1298 target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts);
1299 target_stat_values[++index] = atomic_read(&cm_resets_recvd);
39942a02
FL		 1300 target_stat_values[++index] = nesadapter->free_4kpbl;
1301 target_stat_values[++index] = nesadapter->free_256pbl;
2869975c 1302 target_stat_values[++index] = int_mod_timer_init;
2869975c
FL		 1303 target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated;
1304 target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed;
1305 target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc;
0f0bee8b
FL		 1306 target_stat_values[++index] = atomic_read(&pau_qps_created);
1307 target_stat_values[++index] = atomic_read(&pau_qps_destroyed);
3c2d774c
GS		 1308}
1309
3c2d774c
GS		 1310/**
1311 * nes_netdev_get_drvinfo
1312 */
1313static void nes_netdev_get_drvinfo(struct net_device *netdev,
1314 struct ethtool_drvinfo *drvinfo)
1315{
1316 struct nes_vnic *nesvnic = netdev_priv(netdev);
0c93ae35 1317 struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter;
3c2d774c
GS		 1318
1319 strcpy(drvinfo->driver, DRV_NAME);
1320 strcpy(drvinfo->bus_info, pci_name(nesvnic->nesdev->pcidev));
0c93ae35
CT		 1321 sprintf(drvinfo->fw_version, "%u.%u", nesadapter->firmware_version>>16,
1322 nesadapter->firmware_version & 0x000000ff);
3c2d774c 1323 strcpy(drvinfo->version, DRV_VERSION);
3c2d774c
GS		 1324 drvinfo->testinfo_len = 0;
1325 drvinfo->eedump_len = 0;
1326 drvinfo->regdump_len = 0;
1327}
1328
1329
1330/**
1331 * nes_netdev_set_coalesce
1332 */
1333static int nes_netdev_set_coalesce(struct net_device *netdev,
1334 struct ethtool_coalesce *et_coalesce)
1335{
1336 struct nes_vnic *nesvnic = netdev_priv(netdev);
7495ab68 1337 struct nes_device *nesdev = nesvnic->nesdev;
3c2d774c
GS		 1338 struct nes_adapter *nesadapter = nesdev->nesadapter;
1339 struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;
1340 unsigned long flags;
1341
7495ab68 1342 spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags);
3c2d774c 1343 if (et_coalesce->rx_max_coalesced_frames_low) {
7495ab68 1344 shared_timer->threshold_low = et_coalesce->rx_max_coalesced_frames_low;
3c2d774c
GS		 1345 }
1346 if (et_coalesce->rx_max_coalesced_frames_irq) {
1347 shared_timer->threshold_target = et_coalesce->rx_max_coalesced_frames_irq;
1348 }
1349 if (et_coalesce->rx_max_coalesced_frames_high) {
1350 shared_timer->threshold_high = et_coalesce->rx_max_coalesced_frames_high;
1351 }
1352 if (et_coalesce->rx_coalesce_usecs_low) {
1353 shared_timer->timer_in_use_min = et_coalesce->rx_coalesce_usecs_low;
1354 }
1355 if (et_coalesce->rx_coalesce_usecs_high) {
1356 shared_timer->timer_in_use_max = et_coalesce->rx_coalesce_usecs_high;
1357 }
1358 spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags);
1359
1360 /* using this to drive total interrupt moderation */
1361 nesadapter->et_rx_coalesce_usecs_irq = et_coalesce->rx_coalesce_usecs_irq;
1362 if (et_coalesce->use_adaptive_rx_coalesce) {
1363 nesadapter->et_use_adaptive_rx_coalesce = 1;
7495ab68 1364 nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC;
3c2d774c
GS		 1365 nesadapter->et_rx_coalesce_usecs_irq = 0;
1366 if (et_coalesce->pkt_rate_low) {
7495ab68 1367 nesadapter->et_pkt_rate_low = et_coalesce->pkt_rate_low;
3c2d774c
GS		 1368 }
1369 } else {
1370 nesadapter->et_use_adaptive_rx_coalesce = 0;
7495ab68 1371 nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT;
3c2d774c
GS		 1372 if (nesadapter->et_rx_coalesce_usecs_irq) {
1373 nes_write32(nesdev->regs+NES_PERIODIC_CONTROL,
1374 0x80000000 | ((u32)(nesadapter->et_rx_coalesce_usecs_irq*8)));
1375 }
1376 }
1377 return 0;
1378}
1379
1380
1381/**
1382 * nes_netdev_get_coalesce
1383 */
1384static int nes_netdev_get_coalesce(struct net_device *netdev,
1385 struct ethtool_coalesce *et_coalesce)
1386{
1387 struct nes_vnic *nesvnic = netdev_priv(netdev);
7495ab68 1388 struct nes_device *nesdev = nesvnic->nesdev;
3c2d774c
GS		 1389 struct nes_adapter *nesadapter = nesdev->nesadapter;
1390 struct ethtool_coalesce temp_et_coalesce;
1391 struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer;
1392 unsigned long flags;
1393
1394 memset(&temp_et_coalesce, 0, sizeof(temp_et_coalesce));
7495ab68
GS		 1395 temp_et_coalesce.rx_coalesce_usecs_irq = nesadapter->et_rx_coalesce_usecs_irq;
1396 temp_et_coalesce.use_adaptive_rx_coalesce = nesadapter->et_use_adaptive_rx_coalesce;
1397 temp_et_coalesce.rate_sample_interval = nesadapter->et_rate_sample_interval;
3c2d774c
GS		 1398 temp_et_coalesce.pkt_rate_low = nesadapter->et_pkt_rate_low;
1399 spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags);
7495ab68
GS		 1400 temp_et_coalesce.rx_max_coalesced_frames_low = shared_timer->threshold_low;
1401 temp_et_coalesce.rx_max_coalesced_frames_irq = shared_timer->threshold_target;
3c2d774c 1402 temp_et_coalesce.rx_max_coalesced_frames_high = shared_timer->threshold_high;
7495ab68 1403 temp_et_coalesce.rx_coalesce_usecs_low = shared_timer->timer_in_use_min;
3c2d774c
GS		 1404 temp_et_coalesce.rx_coalesce_usecs_high = shared_timer->timer_in_use_max;
1405 if (nesadapter->et_use_adaptive_rx_coalesce) {
1406 temp_et_coalesce.rx_coalesce_usecs_irq = shared_timer->timer_in_use;
1407 }
1408 spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags);
7495ab68 1409 memcpy(et_coalesce, &temp_et_coalesce, sizeof(*et_coalesce));
3c2d774c
GS		 1410 return 0;
1411}
1412
1413
1414/**
1415 * nes_netdev_get_pauseparam
1416 */
1417static void nes_netdev_get_pauseparam(struct net_device *netdev,
1418 struct ethtool_pauseparam *et_pauseparam)
1419{
1420 struct nes_vnic *nesvnic = netdev_priv(netdev);
1421
1422 et_pauseparam->autoneg = 0;
1423 et_pauseparam->rx_pause = (nesvnic->nesdev->disable_rx_flow_control == 0) ? 1:0;
1424 et_pauseparam->tx_pause = (nesvnic->nesdev->disable_tx_flow_control == 0) ? 1:0;
1425}
1426
1427
1428/**
1429 * nes_netdev_set_pauseparam
1430 */
1431static int nes_netdev_set_pauseparam(struct net_device *netdev,
1432 struct ethtool_pauseparam *et_pauseparam)
1433{
1434 struct nes_vnic *nesvnic = netdev_priv(netdev);
1435 struct nes_device *nesdev = nesvnic->nesdev;
1436 u32 u32temp;
1437
1438 if (et_pauseparam->autoneg) {
1439 /* TODO: should return unsupported */
1440 return 0;
1441 }
1442 if ((et_pauseparam->tx_pause == 1) && (nesdev->disable_tx_flow_control == 1)) {
1443 u32temp = nes_read_indexed(nesdev,
1444 NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200));
1445 u32temp |= NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE;
1446 nes_write_indexed(nesdev,
70c9db0f 1447 NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200), u32temp);
3c2d774c
GS		 1448 nesdev->disable_tx_flow_control = 0;
1449 } else if ((et_pauseparam->tx_pause == 0) && (nesdev->disable_tx_flow_control == 0)) {
1450 u32temp = nes_read_indexed(nesdev,
1451 NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200));
1452 u32temp &= ~NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE;
1453 nes_write_indexed(nesdev,
70c9db0f 1454 NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200), u32temp);
3c2d774c
GS		 1455 nesdev->disable_tx_flow_control = 1;
1456 }
1457 if ((et_pauseparam->rx_pause == 1) && (nesdev->disable_rx_flow_control == 1)) {
1458 u32temp = nes_read_indexed(nesdev,
1459 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40));
1460 u32temp &= ~NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE;
1461 nes_write_indexed(nesdev,
1462 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp);
1463 nesdev->disable_rx_flow_control = 0;
1464 } else if ((et_pauseparam->rx_pause == 0) && (nesdev->disable_rx_flow_control == 0)) {
1465 u32temp = nes_read_indexed(nesdev,
1466 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40));
1467 u32temp |= NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE;
1468 nes_write_indexed(nesdev,
1469 NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp);
1470 nesdev->disable_rx_flow_control = 1;
1471 }
1472
1473 return 0;
1474}
1475
1476
1477/**
1478 * nes_netdev_get_settings
1479 */
1480static int nes_netdev_get_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd)
1481{
1482 struct nes_vnic *nesvnic = netdev_priv(netdev);
1483 struct nes_device *nesdev = nesvnic->nesdev;
1484 struct nes_adapter *nesadapter = nesdev->nesadapter;
4303565d
CT		 1485 u32 mac_index = nesdev->mac_index;
1486 u8 phy_type = nesadapter->phy_type[mac_index];
1487 u8 phy_index = nesadapter->phy_index[mac_index];
3c2d774c
GS		 1488 u16 phy_data;
1489
1490 et_cmd->duplex = DUPLEX_FULL;
7495ab68 1491 et_cmd->port = PORT_MII;
4303565d
CT		 1492 et_cmd->maxtxpkt = 511;
1493 et_cmd->maxrxpkt = 511;
0e1de5d6 1494
3c2d774c 1495 if (nesadapter->OneG_Mode) {
70739497 1496 ethtool_cmd_speed_set(et_cmd, SPEED_1000);
4303565d 1497 if (phy_type == NES_PHY_TYPE_PUMA_1G) {
0e1de5d6
ES		 1498 et_cmd->supported = SUPPORTED_1000baseT_Full;
1499 et_cmd->advertising = ADVERTISED_1000baseT_Full;
1500 et_cmd->autoneg = AUTONEG_DISABLE;
1501 et_cmd->transceiver = XCVR_INTERNAL;
4303565d 1502 et_cmd->phy_address = mac_index;
3c2d774c 1503 } else {
ce6e74f2 1504 unsigned long flags;
4303565d
CT		 1505 et_cmd->supported = SUPPORTED_1000baseT_Full
1506 | SUPPORTED_Autoneg;
1507 et_cmd->advertising = ADVERTISED_1000baseT_Full
1508 | ADVERTISED_Autoneg;
ce6e74f2 1509 spin_lock_irqsave(&nesadapter->phy_lock, flags);
4303565d 1510 nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
ce6e74f2 1511 spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
0e1de5d6
ES		 1512 if (phy_data & 0x1000)
1513 et_cmd->autoneg = AUTONEG_ENABLE;
1514 else
1515 et_cmd->autoneg = AUTONEG_DISABLE;
1516 et_cmd->transceiver = XCVR_EXTERNAL;
4303565d 1517 et_cmd->phy_address = phy_index;
3c2d774c 1518 }
4303565d
CT		 1519 return 0;
1520 }
09124e19
CT		 1521 if ((phy_type == NES_PHY_TYPE_ARGUS) ||
1522 (phy_type == NES_PHY_TYPE_SFP_D) ||
1523 (phy_type == NES_PHY_TYPE_KR)) {
4303565d
CT		 1524 et_cmd->transceiver = XCVR_EXTERNAL;
1525 et_cmd->port = PORT_FIBRE;
1526 et_cmd->supported = SUPPORTED_FIBRE;
1527 et_cmd->advertising = ADVERTISED_FIBRE;
1528 et_cmd->phy_address = phy_index;
3c2d774c 1529 } else {
4303565d
CT		 1530 et_cmd->transceiver = XCVR_INTERNAL;
1531 et_cmd->supported = SUPPORTED_10000baseT_Full;
1532 et_cmd->advertising = ADVERTISED_10000baseT_Full;
1533 et_cmd->phy_address = mac_index;
3c2d774c 1534 }
70739497 1535 ethtool_cmd_speed_set(et_cmd, SPEED_10000);
4303565d 1536 et_cmd->autoneg = AUTONEG_DISABLE;
3c2d774c
GS		 1537 return 0;
1538}
1539
1540
1541/**
1542 * nes_netdev_set_settings
1543 */
1544static int nes_netdev_set_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd)
1545{
1546 struct nes_vnic *nesvnic = netdev_priv(netdev);
1547 struct nes_device *nesdev = nesvnic->nesdev;
1548 struct nes_adapter *nesadapter = nesdev->nesadapter;
3c2d774c 1549
0e1de5d6
ES		 1550 if ((nesadapter->OneG_Mode) &&
1551 (nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G)) {
ce6e74f2
CT		 1552 unsigned long flags;
1553 u16 phy_data;
1554 u8 phy_index = nesadapter->phy_index[nesdev->mac_index];
1555
1556 spin_lock_irqsave(&nesadapter->phy_lock, flags);
1557 nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data);
3c2d774c
GS		 1558 if (et_cmd->autoneg) {
1559 /* Turn on Full duplex, Autoneg, and restart autonegotiation */
1560 phy_data |= 0x1300;
1561 } else {
7495ab68 1562 /* Turn off autoneg */
3c2d774c
GS		 1563 phy_data &= ~0x1000;
1564 }
ce6e74f2
CT		 1565 nes_write_1G_phy_reg(nesdev, 0, phy_index, phy_data);
1566 spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
3c2d774c
GS		 1567 }
1568
1569 return 0;
1570}
1571
1572
0fc0b732 1573static const struct ethtool_ops nes_ethtool_ops = {
3c2d774c
GS		 1574 .get_link = ethtool_op_get_link,
1575 .get_settings = nes_netdev_get_settings,
1576 .set_settings = nes_netdev_set_settings,
3c2d774c 1577 .get_strings = nes_netdev_get_strings,
15f0a394 1578 .get_sset_count = nes_netdev_get_sset_count,
3c2d774c
GS		 1579 .get_ethtool_stats = nes_netdev_get_ethtool_stats,
1580 .get_drvinfo = nes_netdev_get_drvinfo,
1581 .get_coalesce = nes_netdev_get_coalesce,
1582 .set_coalesce = nes_netdev_set_coalesce,
1583 .get_pauseparam = nes_netdev_get_pauseparam,
1584 .set_pauseparam = nes_netdev_set_pauseparam,
3c2d774c
GS		 1585};
1586
9ca36f7d 1587static void nes_vlan_mode(struct net_device *netdev, struct nes_device *nesdev, netdev_features_t features)
3c2d774c 1588{
edd2fd64 1589 struct nes_adapter *nesadapter = nesdev->nesadapter;
3c2d774c 1590 u32 u32temp;
edd2fd64 1591 unsigned long flags;
3c2d774c 1592
edd2fd64 1593 spin_lock_irqsave(&nesadapter->phy_lock, flags);
3c2d774c 1594
edd2fd64
CT		 1595 nes_debug(NES_DBG_NETDEV, "%s: %s\n", __func__, netdev->name);
1596
3c2d774c
GS		 1597 /* Enable/Disable VLAN Stripping */
1598 u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG);
7033c4ad 1599 if (features & NETIF_F_HW_VLAN_RX)
3c2d774c
GS		 1600 u32temp &= 0xfdffffff;
1601 else
1602 u32temp |= 0x02000000;
1603
1604 nes_write_indexed(nesdev, NES_IDX_PCIX_DIAG, u32temp);
edd2fd64 1605 spin_unlock_irqrestore(&nesadapter->phy_lock, flags);
3c2d774c
GS		 1606}
1607
9ca36f7d 1608static netdev_features_t nes_fix_features(struct net_device *netdev, netdev_features_t features)
7033c4ad
JP		 1609{
1610 /*
1611 * Since there is no support for separate rx/tx vlan accel
1612 * enable/disable make sure tx flag is always in same state as rx.
1613 */
1614 if (features & NETIF_F_HW_VLAN_RX)
1615 features |= NETIF_F_HW_VLAN_TX;
1616 else
1617 features &= ~NETIF_F_HW_VLAN_TX;
1618
1619 return features;
1620}
1621
9ca36f7d 1622static int nes_set_features(struct net_device *netdev, netdev_features_t features)
7033c4ad
JP		 1623{
1624 struct nes_vnic *nesvnic = netdev_priv(netdev);
1625 struct nes_device *nesdev = nesvnic->nesdev;
1626 u32 changed = netdev->features ^ features;
1627
1628 if (changed & NETIF_F_HW_VLAN_RX)
1629 nes_vlan_mode(netdev, nesdev, features);
1630
1631 return 0;
1632}
1633
d0929553 1634static const struct net_device_ops nes_netdev_ops = {
7033c4ad 1635 .ndo_open = nes_netdev_open,
d0929553 1636 .ndo_stop = nes_netdev_stop,
7033c4ad 1637 .ndo_start_xmit = nes_netdev_start_xmit,
d0929553 1638 .ndo_get_stats = nes_netdev_get_stats,
7033c4ad 1639 .ndo_tx_timeout = nes_netdev_tx_timeout,
d0929553 1640 .ndo_set_mac_address = nes_netdev_set_mac_address,
afc4b13d 1641 .ndo_set_rx_mode = nes_netdev_set_multicast_list,
d0929553 1642 .ndo_change_mtu = nes_netdev_change_mtu,
d0929553 1643 .ndo_validate_addr = eth_validate_addr,
7033c4ad
JP		 1644 .ndo_fix_features = nes_fix_features,
1645 .ndo_set_features = nes_set_features,
d0929553 1646};
3c2d774c
GS		 1647
1648/**
1649 * nes_netdev_init - initialize network device
1650 */
1651struct net_device *nes_netdev_init(struct nes_device *nesdev,
1652 void __iomem *mmio_addr)
1653{
1654 u64 u64temp;
13220a94 1655 struct nes_vnic *nesvnic;
3c2d774c
GS		 1656 struct net_device *netdev;
1657 struct nic_qp_map *curr_qp_map;
09124e19 1658 u8 phy_type = nesdev->nesadapter->phy_type[nesdev->mac_index];
3c2d774c
GS		 1659
1660 netdev = alloc_etherdev(sizeof(struct nes_vnic));
1661 if (!netdev) {
1662 printk(KERN_ERR PFX "nesvnic etherdev alloc failed");
1663 return NULL;
1664 }
13220a94 1665 nesvnic = netdev_priv(netdev);
3c2d774c
GS		 1666
1667 nes_debug(NES_DBG_INIT, "netdev = %p, %s\n", netdev, netdev->name);
1668
1669 SET_NETDEV_DEV(netdev, &nesdev->pcidev->dev);
1670
3c2d774c
GS		 1671 netdev->watchdog_timeo = NES_TX_TIMEOUT;
1672 netdev->irq = nesdev->pcidev->irq;
1673 netdev->mtu = ETH_DATA_LEN;
1674 netdev->hard_header_len = ETH_HLEN;
1675 netdev->addr_len = ETH_ALEN;
1676 netdev->type = ARPHRD_ETHER;
d0929553 1677 netdev->netdev_ops = &nes_netdev_ops;
3c2d774c
GS		 1678 netdev->ethtool_ops = &nes_ethtool_ops;
1679 netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128);
1680 nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n");
3c2d774c
GS		 1681
1682 /* Fill in the port structure */
1683 nesvnic->netdev = netdev;
1684 nesvnic->nesdev = nesdev;
1685 nesvnic->msg_enable = netif_msg_init(debug, default_msg);
1686 nesvnic->netdev_index = nesdev->netdev_count;
1687 nesvnic->perfect_filter_index = nesdev->nesadapter->netdev_count;
edd2fd64 1688 nesvnic->max_frame_size = netdev->mtu + netdev->hard_header_len + VLAN_HLEN;
3c2d774c
GS		 1689
1690 curr_qp_map = nic_qp_mapping_per_function[PCI_FUNC(nesdev->pcidev->devfn)];
1691 nesvnic->nic.qp_id = curr_qp_map[nesdev->netdev_count].qpid;
1692 nesvnic->nic_index = curr_qp_map[nesdev->netdev_count].nic_index;
1693 nesvnic->logical_port = curr_qp_map[nesdev->netdev_count].logical_port;
1694
1695 /* Setup the burned in MAC address */
1696 u64temp = (u64)nesdev->nesadapter->mac_addr_low;
1697 u64temp += ((u64)nesdev->nesadapter->mac_addr_high) << 32;
1698 u64temp += nesvnic->nic_index;
1699 netdev->dev_addr[0] = (u8)(u64temp>>40);
1700 netdev->dev_addr[1] = (u8)(u64temp>>32);
1701 netdev->dev_addr[2] = (u8)(u64temp>>24);
1702 netdev->dev_addr[3] = (u8)(u64temp>>16);
1703 netdev->dev_addr[4] = (u8)(u64temp>>8);
1704 netdev->dev_addr[5] = (u8)u64temp;
1705 memcpy(netdev->perm_addr, netdev->dev_addr, 6);
1706
48a99563 1707 netdev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_RXCSUM | NETIF_F_HW_VLAN_RX;
dd6f6d02
MM		 1708 if ((nesvnic->logical_port < 2) || (nesdev->nesadapter->hw_rev != NE020_REV))
1709 netdev->hw_features |= NETIF_F_TSO;
48a99563
TN		 1710
1711 netdev->features = netdev->hw_features | NETIF_F_HIGHDMA | NETIF_F_HW_VLAN_TX;
dd6f6d02 1712 netdev->hw_features |= NETIF_F_LRO;
3c2d774c
GS		 1713
1714 nes_debug(NES_DBG_INIT, "nesvnic = %p, reported features = 0x%lX, QPid = %d,"
1715 " nic_index = %d, logical_port = %d, mac_index = %d.\n",
1716 nesvnic, (unsigned long)netdev->features, nesvnic->nic.qp_id,
1717 nesvnic->nic_index, nesvnic->logical_port, nesdev->mac_index);
1718
7e36d3d7
VM		 1719 if (nesvnic->nesdev->nesadapter->port_count == 1 &&
1720 nesvnic->nesdev->nesadapter->adapter_fcn_count == 1) {
1721
3c2d774c
GS		 1722 nesvnic->qp_nic_index[0] = nesvnic->nic_index;
1723 nesvnic->qp_nic_index[1] = nesvnic->nic_index + 1;
1724 if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) {
1725 nesvnic->qp_nic_index[2] = 0xf;
1726 nesvnic->qp_nic_index[3] = 0xf;
1727 } else {
1728 nesvnic->qp_nic_index[2] = nesvnic->nic_index + 2;
1729 nesvnic->qp_nic_index[3] = nesvnic->nic_index + 3;
1730 }
1731 } else {
7e36d3d7
VM		 1732 if (nesvnic->nesdev->nesadapter->port_count == 2 ||
1733 (nesvnic->nesdev->nesadapter->port_count == 1 &&
1734 nesvnic->nesdev->nesadapter->adapter_fcn_count == 2)) {
1735 nesvnic->qp_nic_index[0] = nesvnic->nic_index;
1736 nesvnic->qp_nic_index[1] = nesvnic->nic_index
1737 + 2;
1738 nesvnic->qp_nic_index[2] = 0xf;
1739 nesvnic->qp_nic_index[3] = 0xf;
3c2d774c
GS		 1740 } else {
1741 nesvnic->qp_nic_index[0] = nesvnic->nic_index;
1742 nesvnic->qp_nic_index[1] = 0xf;
1743 nesvnic->qp_nic_index[2] = 0xf;
1744 nesvnic->qp_nic_index[3] = 0xf;
1745 }
1746 }
1747 nesvnic->next_qp_nic_index = 0;
1748
1749 if (nesdev->netdev_count == 0) {
1750 nesvnic->rdma_enabled = 1;
1751 } else {
1752 nesvnic->rdma_enabled = 0;
1753 }
1754 nesvnic->nic_cq.cq_number = nesvnic->nic.qp_id;
ea623455
MS		 1755 init_timer(&nesvnic->event_timer);
1756 nesvnic->event_timer.function = NULL;
3c2d774c 1757 spin_lock_init(&nesvnic->tx_lock);
ea623455 1758 spin_lock_init(&nesvnic->port_ibevent_lock);
3c2d774c
GS		 1759 nesdev->netdev[nesdev->netdev_count] = netdev;
1760
1761 nes_debug(NES_DBG_INIT, "Adding nesvnic (%p) to the adapters nesvnic_list for MAC%d.\n",
1762 nesvnic, nesdev->mac_index);
1763 list_add_tail(&nesvnic->list, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]);
1764
1765 if ((nesdev->netdev_count == 0) &&
0e1de5d6 1766 ((PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index) ||
09124e19 1767 ((phy_type == NES_PHY_TYPE_PUMA_1G) &&
0e1de5d6
ES		 1768 (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) ||
1769 ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) {
a72042c0 1770 u32 u32temp;
843276ad
MS		 1771 u32 link_mask = 0;
1772 u32 link_val = 0;
1773 u16 temp_phy_data;
1774 u16 phy_data = 0;
1775 unsigned long flags;
a72042c0 1776
3c2d774c 1777 u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
0e1de5d6 1778 (0x200 * (nesdev->mac_index & 1)));
09124e19 1779 if (phy_type != NES_PHY_TYPE_PUMA_1G) {
0e1de5d6
ES		 1780 u32temp |= 0x00200000;
1781 nes_write_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 +
1782 (0x200 * (nesdev->mac_index & 1)), u32temp);
1783 }
1784
a72042c0
CT		 1785 /* Check and set linkup here. This is for back to back */
1786 /* configuration where second port won't get link interrupt */
1787 switch (phy_type) {
1788 case NES_PHY_TYPE_PUMA_1G:
1789 if (nesdev->mac_index < 2) {
1790 link_mask = 0x01010000;
1791 link_val = 0x01010000;
1792 } else {
1793 link_mask = 0x02020000;
1794 link_val = 0x02020000;
1795 }
1796 break;
843276ad
MS		 1797 case NES_PHY_TYPE_SFP_D:
1798 spin_lock_irqsave(&nesdev->nesadapter->phy_lock, flags);
1799 nes_read_10G_phy_reg(nesdev,
1800 nesdev->nesadapter->phy_index[nesdev->mac_index],
1801 1, 0x9003);
1802 temp_phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
1803 nes_read_10G_phy_reg(nesdev,
1804 nesdev->nesadapter->phy_index[nesdev->mac_index],
1805 3, 0x0021);
1806 nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
1807 nes_read_10G_phy_reg(nesdev,
1808 nesdev->nesadapter->phy_index[nesdev->mac_index],
1809 3, 0x0021);
1810 phy_data = (u16)nes_read_indexed(nesdev, NES_IDX_MAC_MDIO_CONTROL);
1811 spin_unlock_irqrestore(&nesdev->nesadapter->phy_lock, flags);
1812 phy_data = (!temp_phy_data && (phy_data == 0x8000)) ? 0x4 : 0x0;
1813 break;
a72042c0
CT		 1814 default:
1815 link_mask = 0x0f1f0000;
1816 link_val = 0x0f0f0000;
1817 break;
1818 }
1819
1820 u32temp = nes_read_indexed(nesdev,
1821 NES_IDX_PHY_PCS_CONTROL_STATUS0 +
1822 (0x200 * (nesdev->mac_index & 1)));
843276ad
MS		 1823
1824 if (phy_type == NES_PHY_TYPE_SFP_D) {
1825 if (phy_data & 0x0004)
1826 nesvnic->linkup = 1;
1827 } else {
1828 if ((u32temp & link_mask) == link_val)
1829 nesvnic->linkup = 1;
1830 }
a72042c0 1831
3c2d774c 1832 /* clear the MAC interrupt status, assumes direct logical to physical mapping */
11e0704b 1833 u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index));
3c2d774c 1834 nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp);
11e0704b 1835 nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp);
3c2d774c 1836
09124e19 1837 nes_init_phy(nesdev);
3c2d774c
GS		 1838 }
1839
7033c4ad
JP		 1840 nes_vlan_mode(netdev, nesdev, netdev->features);
1841
3c2d774c
GS		 1842 return netdev;
1843}
1844
1845
1846/**
1847 * nes_netdev_destroy - destroy network device structure
1848 */
1849void nes_netdev_destroy(struct net_device *netdev)
1850{
1851 struct nes_vnic *nesvnic = netdev_priv(netdev);
1852
1853 /* make sure 'stop' method is called by Linux stack */
1854 /* nes_netdev_stop(netdev); */
1855
1856 list_del(&nesvnic->list);
1857
1858 if (nesvnic->of_device_registered) {
1859 nes_destroy_ofa_device(nesvnic->nesibdev);
1860 }
1861
1862 free_netdev(netdev);
1863}
1864
1865
1866/**
1867 * nes_nic_cm_xmit -- CM calls this to send out pkts
1868 */
1869int nes_nic_cm_xmit(struct sk_buff *skb, struct net_device *netdev)
1870{
1871 int ret;
1872
1873 skb->dev = netdev;
1874 ret = dev_queue_xmit(skb);
1875 if (ret) {
1876 nes_debug(NES_DBG_CM, "Bad return code from dev_queue_xmit %d\n", ret);
1877 }
1878
1879 return ret;
1880}
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