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3c2d774c GS |
1 | /* |
2 | * Copyright (c) 2006 - 2008 NetEffect, Inc. All rights reserved. | |
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> | |
43 | #include <net/tcp.h> | |
44 | ||
45 | #include <net/inet_common.h> | |
46 | #include <linux/inet.h> | |
47 | ||
48 | #include "nes.h" | |
49 | ||
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} | |
55 | }; | |
56 | ||
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} | |
60 | }; | |
61 | ||
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} | |
64 | }; | |
65 | ||
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} | |
68 | }; | |
69 | ||
70 | static struct nic_qp_map nic_qp_mapping_4[] = { | |
71 | {28,8,0,0},{32,12,0,0} | |
72 | }; | |
73 | ||
74 | static struct nic_qp_map nic_qp_mapping_5[] = { | |
75 | {29,9,1,0},{33,13,1,0} | |
76 | }; | |
77 | ||
78 | static struct nic_qp_map nic_qp_mapping_6[] = { | |
79 | {30,10,2,0},{34,14,2,0} | |
80 | }; | |
81 | ||
82 | static struct nic_qp_map nic_qp_mapping_7[] = { | |
83 | {31,11,3,0},{35,15,3,0} | |
84 | }; | |
85 | ||
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 | |
89 | }; | |
90 | ||
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; | |
7e36d3d7 | 94 | static int nics_per_function = 1; |
3c2d774c | 95 | |
3c2d774c GS |
96 | /** |
97 | * nes_netdev_poll | |
98 | */ | |
99 | static int nes_netdev_poll(struct napi_struct *napi, int budget) | |
100 | { | |
101 | struct nes_vnic *nesvnic = container_of(napi, struct nes_vnic, napi); | |
102 | struct net_device *netdev = nesvnic->netdev; | |
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) { | |
115 | netif_rx_complete(netdev, napi); | |
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 | */ | |
135 | static 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; |
3c2d774c GS |
147 | |
148 | assert(nesdev != NULL); | |
149 | ||
11e0704b GS |
150 | if (nesvnic->netdev_open == 1) |
151 | return 0; | |
3c2d774c GS |
152 | |
153 | if (netif_msg_ifup(nesvnic)) | |
154 | printk(KERN_INFO PFX "%s: enabling interface\n", netdev->name); | |
155 | ||
156 | ret = nes_init_nic_qp(nesdev, netdev); | |
157 | if (ret) { | |
158 | return ret; | |
159 | } | |
160 | ||
161 | netif_carrier_off(netdev); | |
162 | netif_stop_queue(netdev); | |
163 | ||
164 | if ((!nesvnic->of_device_registered) && (nesvnic->rdma_enabled)) { | |
165 | nesvnic->nesibdev = nes_init_ofa_device(netdev); | |
166 | if (nesvnic->nesibdev == NULL) { | |
167 | printk(KERN_ERR PFX "%s: nesvnic->nesibdev alloc failed", netdev->name); | |
168 | } else { | |
169 | nesvnic->nesibdev->nesvnic = nesvnic; | |
170 | ret = nes_register_ofa_device(nesvnic->nesibdev); | |
171 | if (ret) { | |
172 | printk(KERN_ERR PFX "%s: Unable to register RDMA device, ret = %d\n", | |
173 | netdev->name, ret); | |
174 | } | |
175 | } | |
176 | } | |
177 | /* Set packet filters */ | |
178 | nic_active_bit = 1 << nesvnic->nic_index; | |
179 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE); | |
180 | nic_active |= nic_active_bit; | |
181 | nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active); | |
182 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE); | |
183 | nic_active |= nic_active_bit; | |
184 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active); | |
185 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON); | |
186 | nic_active |= nic_active_bit; | |
187 | nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active); | |
188 | ||
7495ab68 | 189 | macaddr_high = ((u16)netdev->dev_addr[0]) << 8; |
3c2d774c | 190 | macaddr_high += (u16)netdev->dev_addr[1]; |
7495ab68 GS |
191 | |
192 | macaddr_low = ((u32)netdev->dev_addr[2]) << 24; | |
193 | macaddr_low += ((u32)netdev->dev_addr[3]) << 16; | |
194 | macaddr_low += ((u32)netdev->dev_addr[4]) << 8; | |
195 | macaddr_low += (u32)netdev->dev_addr[5]; | |
3c2d774c GS |
196 | |
197 | /* Program the various MAC regs */ | |
198 | for (i = 0; i < NES_MAX_PORT_COUNT; i++) { | |
199 | if (nesvnic->qp_nic_index[i] == 0xf) { | |
200 | break; | |
201 | } | |
202 | nes_debug(NES_DBG_NETDEV, "i=%d, perfect filter table index= %d, PERF FILTER LOW" | |
203 | " (Addr:%08X) = %08X, HIGH = %08X.\n", | |
204 | i, nesvnic->qp_nic_index[i], | |
7e36d3d7 VM |
205 | NES_IDX_PERFECT_FILTER_LOW+ |
206 | (nesvnic->qp_nic_index[i] * 8), | |
3c2d774c GS |
207 | macaddr_low, |
208 | (u32)macaddr_high | NES_MAC_ADDR_VALID | | |
209 | ((((u32)nesvnic->nic_index) << 16))); | |
210 | nes_write_indexed(nesdev, | |
211 | NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8), | |
212 | macaddr_low); | |
213 | nes_write_indexed(nesdev, | |
214 | NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8), | |
215 | (u32)macaddr_high | NES_MAC_ADDR_VALID | | |
216 | ((((u32)nesvnic->nic_index) << 16))); | |
217 | } | |
218 | ||
219 | ||
220 | nes_write32(nesdev->regs+NES_CQE_ALLOC, NES_CQE_ALLOC_NOTIFY_NEXT | | |
221 | nesvnic->nic_cq.cq_number); | |
222 | nes_read32(nesdev->regs+NES_CQE_ALLOC); | |
11e0704b GS |
223 | list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) { |
224 | first_nesvnic = container_of(list_pos, struct nes_vnic, list); | |
225 | if (first_nesvnic->netdev_open == 1) | |
226 | break; | |
227 | } | |
228 | if (first_nesvnic->netdev_open == 0) { | |
229 | nes_debug(NES_DBG_INIT, "Setting up MAC interrupt mask.\n"); | |
230 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK + (0x200 * nesdev->mac_index), | |
231 | ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT | | |
232 | NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR)); | |
233 | first_nesvnic = nesvnic; | |
234 | } | |
3c2d774c GS |
235 | if (first_nesvnic->linkup) { |
236 | /* Enable network packets */ | |
237 | nesvnic->linkup = 1; | |
238 | netif_start_queue(netdev); | |
239 | netif_carrier_on(netdev); | |
240 | } | |
241 | napi_enable(&nesvnic->napi); | |
242 | nesvnic->netdev_open = 1; | |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
247 | ||
248 | /** | |
249 | * nes_netdev_stop | |
250 | */ | |
251 | static int nes_netdev_stop(struct net_device *netdev) | |
252 | { | |
253 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
254 | struct nes_device *nesdev = nesvnic->nesdev; | |
255 | u32 nic_active_mask; | |
256 | u32 nic_active; | |
11e0704b GS |
257 | struct nes_vnic *first_nesvnic = NULL; |
258 | struct list_head *list_pos, *list_temp; | |
3c2d774c GS |
259 | |
260 | nes_debug(NES_DBG_SHUTDOWN, "nesvnic=%p, nesdev=%p, netdev=%p %s\n", | |
261 | nesvnic, nesdev, netdev, netdev->name); | |
262 | if (nesvnic->netdev_open == 0) | |
263 | return 0; | |
264 | ||
265 | if (netif_msg_ifdown(nesvnic)) | |
266 | printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name); | |
267 | ||
268 | /* Disable network packets */ | |
269 | napi_disable(&nesvnic->napi); | |
270 | netif_stop_queue(netdev); | |
11e0704b GS |
271 | list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) { |
272 | first_nesvnic = container_of(list_pos, struct nes_vnic, list); | |
273 | if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic)) | |
274 | break; | |
275 | } | |
276 | ||
068e80de CT |
277 | if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic) && |
278 | (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != | |
279 | PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) { | |
280 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+ | |
281 | (0x200*nesdev->mac_index), 0xffffffff); | |
282 | nes_write_indexed(first_nesvnic->nesdev, | |
283 | NES_IDX_MAC_INT_MASK+ | |
284 | (0x200*first_nesvnic->nesdev->mac_index), | |
285 | ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT | | |
286 | NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR)); | |
287 | } else { | |
11e0704b | 288 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff); |
3c2d774c GS |
289 | } |
290 | ||
291 | nic_active_mask = ~((u32)(1 << nesvnic->nic_index)); | |
292 | nes_write_indexed(nesdev, NES_IDX_PERFECT_FILTER_HIGH+ | |
293 | (nesvnic->perfect_filter_index*8), 0); | |
294 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE); | |
295 | nic_active &= nic_active_mask; | |
296 | nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active); | |
297 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
298 | nic_active &= nic_active_mask; | |
299 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
300 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE); | |
301 | nic_active &= nic_active_mask; | |
302 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active); | |
303 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
304 | nic_active &= nic_active_mask; | |
305 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
306 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON); | |
307 | nic_active &= nic_active_mask; | |
308 | nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active); | |
309 | ||
310 | ||
311 | if (nesvnic->of_device_registered) { | |
312 | nes_destroy_ofa_device(nesvnic->nesibdev); | |
313 | nesvnic->nesibdev = NULL; | |
314 | nesvnic->of_device_registered = 0; | |
315 | } | |
316 | nes_destroy_nic_qp(nesvnic); | |
317 | ||
318 | nesvnic->netdev_open = 0; | |
319 | ||
320 | return 0; | |
321 | } | |
322 | ||
323 | ||
324 | /** | |
325 | * nes_nic_send | |
326 | */ | |
327 | static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev) | |
328 | { | |
329 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
330 | struct nes_device *nesdev = nesvnic->nesdev; | |
331 | struct nes_hw_nic *nesnic = &nesvnic->nic; | |
332 | struct nes_hw_nic_sq_wqe *nic_sqe; | |
333 | struct tcphdr *tcph; | |
334 | __le16 *wqe_fragment_length; | |
335 | u32 wqe_misc; | |
336 | u16 wqe_fragment_index = 1; /* first fragment (0) is used by copy buffer */ | |
337 | u16 skb_fragment_index; | |
338 | dma_addr_t bus_address; | |
339 | ||
340 | nic_sqe = &nesnic->sq_vbase[nesnic->sq_head]; | |
341 | wqe_fragment_length = (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX]; | |
342 | ||
343 | /* setup the VLAN tag if present */ | |
344 | if (vlan_tx_tag_present(skb)) { | |
345 | nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n", | |
346 | netdev->name, vlan_tx_tag_get(skb)); | |
347 | wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE; | |
348 | wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb); | |
349 | } else | |
350 | wqe_misc = 0; | |
351 | ||
352 | /* bump past the vlan tag */ | |
353 | wqe_fragment_length++; | |
354 | /* wqe_fragment_address = (u64 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX]; */ | |
355 | ||
356 | if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
357 | tcph = tcp_hdr(skb); | |
358 | if (1) { | |
359 | if (skb_is_gso(skb)) { | |
360 | /* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... seg size = %u\n", | |
361 | netdev->name, skb_is_gso(skb)); */ | |
362 | wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE | | |
363 | NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb); | |
364 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX, | |
365 | ((u32)tcph->doff) | | |
366 | (((u32)(((unsigned char *)tcph) - skb->data)) << 4)); | |
367 | } else { | |
368 | wqe_misc |= NES_NIC_SQ_WQE_COMPLETION; | |
369 | } | |
370 | } | |
371 | } else { /* CHECKSUM_HW */ | |
372 | wqe_misc |= NES_NIC_SQ_WQE_DISABLE_CHKSUM | NES_NIC_SQ_WQE_COMPLETION; | |
373 | } | |
374 | ||
375 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX, | |
376 | skb->len); | |
377 | memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer, | |
378 | skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), skb_headlen(skb))); | |
379 | wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE), | |
380 | skb_headlen(skb))); | |
381 | wqe_fragment_length[1] = 0; | |
382 | if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) { | |
383 | if ((skb_shinfo(skb)->nr_frags + 1) > 4) { | |
384 | nes_debug(NES_DBG_NIC_TX, "%s: Packet with %u fragments not sent, skb_headlen=%u\n", | |
385 | netdev->name, skb_shinfo(skb)->nr_frags + 2, skb_headlen(skb)); | |
386 | kfree_skb(skb); | |
387 | nesvnic->tx_sw_dropped++; | |
388 | return NETDEV_TX_LOCKED; | |
389 | } | |
390 | set_bit(nesnic->sq_head, nesnic->first_frag_overflow); | |
391 | bus_address = pci_map_single(nesdev->pcidev, skb->data + NES_FIRST_FRAG_SIZE, | |
392 | skb_headlen(skb) - NES_FIRST_FRAG_SIZE, PCI_DMA_TODEVICE); | |
393 | wqe_fragment_length[wqe_fragment_index++] = | |
394 | cpu_to_le16(skb_headlen(skb) - NES_FIRST_FRAG_SIZE); | |
395 | wqe_fragment_length[wqe_fragment_index] = 0; | |
396 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX, | |
397 | ((u64)(bus_address))); | |
398 | nesnic->tx_skb[nesnic->sq_head] = skb; | |
399 | } | |
400 | ||
401 | if (skb_headlen(skb) == skb->len) { | |
402 | if (skb_headlen(skb) <= NES_FIRST_FRAG_SIZE) { | |
403 | nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_2_1_IDX] = 0; | |
404 | nesnic->tx_skb[nesnic->sq_head] = NULL; | |
405 | dev_kfree_skb(skb); | |
406 | } | |
407 | } else { | |
408 | /* Deal with Fragments */ | |
409 | nesnic->tx_skb[nesnic->sq_head] = skb; | |
410 | for (skb_fragment_index = 0; skb_fragment_index < skb_shinfo(skb)->nr_frags; | |
411 | skb_fragment_index++) { | |
412 | bus_address = pci_map_page( nesdev->pcidev, | |
413 | skb_shinfo(skb)->frags[skb_fragment_index].page, | |
414 | skb_shinfo(skb)->frags[skb_fragment_index].page_offset, | |
415 | skb_shinfo(skb)->frags[skb_fragment_index].size, | |
416 | PCI_DMA_TODEVICE); | |
417 | wqe_fragment_length[wqe_fragment_index] = | |
418 | cpu_to_le16(skb_shinfo(skb)->frags[skb_fragment_index].size); | |
419 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index), | |
420 | bus_address); | |
421 | wqe_fragment_index++; | |
422 | if (wqe_fragment_index < 5) | |
423 | wqe_fragment_length[wqe_fragment_index] = 0; | |
424 | } | |
425 | } | |
426 | ||
427 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, wqe_misc); | |
428 | nesnic->sq_head++; | |
429 | nesnic->sq_head &= nesnic->sq_size - 1; | |
430 | ||
431 | return NETDEV_TX_OK; | |
432 | } | |
433 | ||
434 | ||
435 | /** | |
436 | * nes_netdev_start_xmit | |
437 | */ | |
438 | static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) | |
439 | { | |
440 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
441 | struct nes_device *nesdev = nesvnic->nesdev; | |
442 | struct nes_hw_nic *nesnic = &nesvnic->nic; | |
443 | struct nes_hw_nic_sq_wqe *nic_sqe; | |
444 | struct tcphdr *tcph; | |
445 | /* struct udphdr *udph; */ | |
a06fd26d | 446 | #define NES_MAX_TSO_FRAGS MAX_SKB_FRAGS |
3c2d774c GS |
447 | /* 64K segment plus overflow on each side */ |
448 | dma_addr_t tso_bus_address[NES_MAX_TSO_FRAGS]; | |
449 | dma_addr_t bus_address; | |
450 | u32 tso_frag_index; | |
451 | u32 tso_frag_count; | |
452 | u32 tso_wqe_length; | |
453 | u32 curr_tcp_seq; | |
454 | u32 wqe_count=1; | |
455 | u32 send_rc; | |
456 | struct iphdr *iph; | |
457 | unsigned long flags; | |
458 | __le16 *wqe_fragment_length; | |
459 | u32 nr_frags; | |
460 | u32 original_first_length; | |
7495ab68 | 461 | /* u64 *wqe_fragment_address; */ |
3c2d774c GS |
462 | /* first fragment (0) is used by copy buffer */ |
463 | u16 wqe_fragment_index=1; | |
464 | u16 hoffset; | |
465 | u16 nhoffset; | |
466 | u16 wqes_needed; | |
467 | u16 wqes_available; | |
468 | u32 old_head; | |
469 | u32 wqe_misc; | |
470 | ||
7495ab68 GS |
471 | /* |
472 | * nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u," | |
473 | * " (%u frags), tso_size=%u\n", | |
474 | * netdev->name, skb->len, skb_headlen(skb), | |
475 | * skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); | |
476 | */ | |
3c2d774c GS |
477 | |
478 | if (!netif_carrier_ok(netdev)) | |
479 | return NETDEV_TX_OK; | |
480 | ||
481 | if (netif_queue_stopped(netdev)) | |
482 | return NETDEV_TX_BUSY; | |
483 | ||
484 | local_irq_save(flags); | |
485 | if (!spin_trylock(&nesnic->sq_lock)) { | |
486 | local_irq_restore(flags); | |
487 | nesvnic->sq_locked++; | |
488 | return NETDEV_TX_LOCKED; | |
489 | } | |
490 | ||
491 | /* Check if SQ is full */ | |
492 | if ((((nesnic->sq_tail+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) == 1) { | |
493 | if (!netif_queue_stopped(netdev)) { | |
494 | netif_stop_queue(netdev); | |
495 | barrier(); | |
496 | if ((((((volatile u16)nesnic->sq_tail)+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) != 1) { | |
497 | netif_start_queue(netdev); | |
498 | goto sq_no_longer_full; | |
499 | } | |
500 | } | |
501 | nesvnic->sq_full++; | |
502 | spin_unlock_irqrestore(&nesnic->sq_lock, flags); | |
503 | return NETDEV_TX_BUSY; | |
504 | } | |
505 | ||
506 | sq_no_longer_full: | |
507 | nr_frags = skb_shinfo(skb)->nr_frags; | |
508 | if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) { | |
509 | nr_frags++; | |
510 | } | |
511 | /* Check if too many fragments */ | |
512 | if (unlikely((nr_frags > 4))) { | |
513 | if (skb_is_gso(skb)) { | |
514 | nesvnic->segmented_tso_requests++; | |
515 | nesvnic->tso_requests++; | |
516 | old_head = nesnic->sq_head; | |
517 | /* Basically 4 fragments available per WQE with extended fragments */ | |
518 | wqes_needed = nr_frags >> 2; | |
519 | wqes_needed += (nr_frags&3)?1:0; | |
520 | wqes_available = (((nesnic->sq_tail+nesnic->sq_size)-nesnic->sq_head) - 1) & | |
521 | (nesnic->sq_size - 1); | |
522 | ||
523 | if (unlikely(wqes_needed > wqes_available)) { | |
524 | if (!netif_queue_stopped(netdev)) { | |
525 | netif_stop_queue(netdev); | |
526 | barrier(); | |
527 | wqes_available = (((((volatile u16)nesnic->sq_tail)+nesnic->sq_size)-nesnic->sq_head) - 1) & | |
528 | (nesnic->sq_size - 1); | |
529 | if (wqes_needed <= wqes_available) { | |
530 | netif_start_queue(netdev); | |
531 | goto tso_sq_no_longer_full; | |
532 | } | |
533 | } | |
534 | nesvnic->sq_full++; | |
535 | spin_unlock_irqrestore(&nesnic->sq_lock, flags); | |
536 | nes_debug(NES_DBG_NIC_TX, "%s: HNIC SQ full- TSO request has too many frags!\n", | |
537 | netdev->name); | |
538 | return NETDEV_TX_BUSY; | |
539 | } | |
540 | tso_sq_no_longer_full: | |
541 | /* Map all the buffers */ | |
542 | for (tso_frag_count=0; tso_frag_count < skb_shinfo(skb)->nr_frags; | |
543 | tso_frag_count++) { | |
544 | tso_bus_address[tso_frag_count] = pci_map_page( nesdev->pcidev, | |
545 | skb_shinfo(skb)->frags[tso_frag_count].page, | |
546 | skb_shinfo(skb)->frags[tso_frag_count].page_offset, | |
547 | skb_shinfo(skb)->frags[tso_frag_count].size, | |
548 | PCI_DMA_TODEVICE); | |
549 | } | |
550 | ||
551 | tso_frag_index = 0; | |
552 | curr_tcp_seq = ntohl(tcp_hdr(skb)->seq); | |
553 | hoffset = skb_transport_header(skb) - skb->data; | |
554 | nhoffset = skb_network_header(skb) - skb->data; | |
555 | original_first_length = hoffset + ((((struct tcphdr *)skb_transport_header(skb))->doff)<<2); | |
556 | ||
557 | for (wqe_count=0; wqe_count<((u32)wqes_needed); wqe_count++) { | |
558 | tso_wqe_length = 0; | |
559 | nic_sqe = &nesnic->sq_vbase[nesnic->sq_head]; | |
560 | wqe_fragment_length = | |
561 | (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX]; | |
562 | /* setup the VLAN tag if present */ | |
563 | if (vlan_tx_tag_present(skb)) { | |
564 | nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n", | |
565 | netdev->name, vlan_tx_tag_get(skb) ); | |
566 | wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE; | |
567 | wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb); | |
568 | } else | |
569 | wqe_misc = 0; | |
570 | ||
571 | /* bump past the vlan tag */ | |
572 | wqe_fragment_length++; | |
573 | ||
574 | /* Assumes header totally fits in allocated buffer and is in first fragment */ | |
575 | if (original_first_length > NES_FIRST_FRAG_SIZE) { | |
576 | nes_debug(NES_DBG_NIC_TX, "ERROR: SKB header too big, headlen=%u, FIRST_FRAG_SIZE=%u\n", | |
577 | original_first_length, NES_FIRST_FRAG_SIZE); | |
578 | nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u," | |
579 | " (%u frags), tso_size=%u\n", | |
580 | netdev->name, | |
581 | skb->len, skb_headlen(skb), | |
582 | skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); | |
583 | } | |
584 | memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer, | |
585 | skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), | |
586 | original_first_length)); | |
587 | iph = (struct iphdr *) | |
588 | (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[nhoffset]); | |
589 | tcph = (struct tcphdr *) | |
590 | (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[hoffset]); | |
591 | if ((wqe_count+1)!=(u32)wqes_needed) { | |
592 | tcph->fin = 0; | |
593 | tcph->psh = 0; | |
594 | tcph->rst = 0; | |
595 | tcph->urg = 0; | |
596 | } | |
597 | if (wqe_count) { | |
598 | tcph->syn = 0; | |
599 | } | |
600 | tcph->seq = htonl(curr_tcp_seq); | |
601 | wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE), | |
602 | original_first_length)); | |
603 | ||
604 | wqe_fragment_index = 1; | |
605 | if ((wqe_count==0) && (skb_headlen(skb) > original_first_length)) { | |
606 | set_bit(nesnic->sq_head, nesnic->first_frag_overflow); | |
607 | bus_address = pci_map_single(nesdev->pcidev, skb->data + original_first_length, | |
608 | skb_headlen(skb) - original_first_length, PCI_DMA_TODEVICE); | |
609 | wqe_fragment_length[wqe_fragment_index++] = | |
610 | cpu_to_le16(skb_headlen(skb) - original_first_length); | |
611 | wqe_fragment_length[wqe_fragment_index] = 0; | |
612 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX, | |
613 | bus_address); | |
168ac824 CT |
614 | tso_wqe_length += skb_headlen(skb) - |
615 | original_first_length; | |
3c2d774c GS |
616 | } |
617 | while (wqe_fragment_index < 5) { | |
618 | wqe_fragment_length[wqe_fragment_index] = | |
619 | cpu_to_le16(skb_shinfo(skb)->frags[tso_frag_index].size); | |
620 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index), | |
621 | (u64)tso_bus_address[tso_frag_index]); | |
622 | wqe_fragment_index++; | |
623 | tso_wqe_length += skb_shinfo(skb)->frags[tso_frag_index++].size; | |
624 | if (wqe_fragment_index < 5) | |
625 | wqe_fragment_length[wqe_fragment_index] = 0; | |
626 | if (tso_frag_index == tso_frag_count) | |
627 | break; | |
628 | } | |
629 | if ((wqe_count+1) == (u32)wqes_needed) { | |
630 | nesnic->tx_skb[nesnic->sq_head] = skb; | |
631 | } else { | |
632 | nesnic->tx_skb[nesnic->sq_head] = NULL; | |
633 | } | |
634 | wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb); | |
635 | if ((tso_wqe_length + original_first_length) > skb_is_gso(skb)) { | |
636 | wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE; | |
637 | } else { | |
638 | iph->tot_len = htons(tso_wqe_length + original_first_length - nhoffset); | |
639 | } | |
640 | ||
641 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, | |
642 | wqe_misc); | |
643 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX, | |
644 | ((u32)tcph->doff) | (((u32)hoffset) << 4)); | |
645 | ||
646 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX, | |
647 | tso_wqe_length + original_first_length); | |
648 | curr_tcp_seq += tso_wqe_length; | |
649 | nesnic->sq_head++; | |
650 | nesnic->sq_head &= nesnic->sq_size-1; | |
651 | } | |
652 | } else { | |
653 | nesvnic->linearized_skbs++; | |
654 | hoffset = skb_transport_header(skb) - skb->data; | |
655 | nhoffset = skb_network_header(skb) - skb->data; | |
656 | skb_linearize(skb); | |
657 | skb_set_transport_header(skb, hoffset); | |
658 | skb_set_network_header(skb, nhoffset); | |
659 | send_rc = nes_nic_send(skb, netdev); | |
660 | if (send_rc != NETDEV_TX_OK) { | |
661 | spin_unlock_irqrestore(&nesnic->sq_lock, flags); | |
662 | return NETDEV_TX_OK; | |
663 | } | |
664 | } | |
665 | } else { | |
666 | send_rc = nes_nic_send(skb, netdev); | |
667 | if (send_rc != NETDEV_TX_OK) { | |
668 | spin_unlock_irqrestore(&nesnic->sq_lock, flags); | |
669 | return NETDEV_TX_OK; | |
670 | } | |
671 | } | |
672 | ||
673 | barrier(); | |
674 | ||
675 | if (wqe_count) | |
676 | nes_write32(nesdev->regs+NES_WQE_ALLOC, | |
677 | (wqe_count << 24) | (1 << 23) | nesvnic->nic.qp_id); | |
678 | ||
679 | netdev->trans_start = jiffies; | |
680 | spin_unlock_irqrestore(&nesnic->sq_lock, flags); | |
681 | ||
682 | return NETDEV_TX_OK; | |
683 | } | |
684 | ||
685 | ||
686 | /** | |
687 | * nes_netdev_get_stats | |
688 | */ | |
689 | static struct net_device_stats *nes_netdev_get_stats(struct net_device *netdev) | |
690 | { | |
691 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
692 | struct nes_device *nesdev = nesvnic->nesdev; | |
693 | u64 u64temp; | |
694 | u32 u32temp; | |
695 | ||
696 | u32temp = nes_read_indexed(nesdev, | |
697 | NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + (nesvnic->nic_index*0x200)); | |
698 | nesvnic->netstats.rx_dropped += u32temp; | |
699 | nesvnic->endnode_nstat_rx_discard += u32temp; | |
700 | ||
701 | u64temp = (u64)nes_read_indexed(nesdev, | |
702 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + (nesvnic->nic_index*0x200)); | |
703 | u64temp += ((u64)nes_read_indexed(nesdev, | |
704 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32; | |
705 | ||
706 | nesvnic->endnode_nstat_rx_octets += u64temp; | |
707 | nesvnic->netstats.rx_bytes += u64temp; | |
708 | ||
709 | u64temp = (u64)nes_read_indexed(nesdev, | |
710 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + (nesvnic->nic_index*0x200)); | |
711 | u64temp += ((u64)nes_read_indexed(nesdev, | |
712 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32; | |
713 | ||
714 | nesvnic->endnode_nstat_rx_frames += u64temp; | |
715 | nesvnic->netstats.rx_packets += u64temp; | |
716 | ||
717 | u64temp = (u64)nes_read_indexed(nesdev, | |
718 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + (nesvnic->nic_index*0x200)); | |
719 | u64temp += ((u64)nes_read_indexed(nesdev, | |
720 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32; | |
721 | ||
722 | nesvnic->endnode_nstat_tx_octets += u64temp; | |
723 | nesvnic->netstats.tx_bytes += u64temp; | |
724 | ||
725 | u64temp = (u64)nes_read_indexed(nesdev, | |
726 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + (nesvnic->nic_index*0x200)); | |
727 | u64temp += ((u64)nes_read_indexed(nesdev, | |
728 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32; | |
729 | ||
730 | nesvnic->endnode_nstat_tx_frames += u64temp; | |
731 | nesvnic->netstats.tx_packets += u64temp; | |
732 | ||
733 | u32temp = nes_read_indexed(nesdev, | |
734 | NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
735 | nesvnic->netstats.rx_dropped += u32temp; | |
736 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
737 | nesvnic->nesdev->mac_rx_short_frames += u32temp; | |
738 | ||
739 | u32temp = nes_read_indexed(nesdev, | |
740 | NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
741 | nesvnic->netstats.rx_dropped += u32temp; | |
742 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
743 | nesvnic->nesdev->mac_rx_oversized_frames += u32temp; | |
744 | ||
745 | u32temp = nes_read_indexed(nesdev, | |
746 | NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
747 | nesvnic->netstats.rx_dropped += u32temp; | |
748 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
749 | nesvnic->nesdev->mac_rx_jabber_frames += u32temp; | |
750 | ||
751 | u32temp = nes_read_indexed(nesdev, | |
752 | NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
753 | nesvnic->netstats.rx_dropped += u32temp; | |
754 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
755 | nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp; | |
756 | ||
757 | u32temp = nes_read_indexed(nesdev, | |
758 | NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
759 | nesvnic->netstats.rx_length_errors += u32temp; | |
760 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
761 | ||
762 | u32temp = nes_read_indexed(nesdev, | |
763 | NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
764 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
765 | nesvnic->nesdev->mac_rx_crc_errors += u32temp; | |
766 | nesvnic->netstats.rx_crc_errors += u32temp; | |
767 | ||
768 | u32temp = nes_read_indexed(nesdev, | |
769 | NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200)); | |
770 | nesvnic->nesdev->mac_tx_errors += u32temp; | |
771 | nesvnic->netstats.tx_errors += u32temp; | |
772 | ||
773 | return &nesvnic->netstats; | |
774 | } | |
775 | ||
776 | ||
777 | /** | |
778 | * nes_netdev_tx_timeout | |
779 | */ | |
780 | static void nes_netdev_tx_timeout(struct net_device *netdev) | |
781 | { | |
782 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
783 | ||
784 | if (netif_msg_timer(nesvnic)) | |
785 | nes_debug(NES_DBG_NIC_TX, "%s: tx timeout\n", netdev->name); | |
786 | } | |
787 | ||
788 | ||
789 | /** | |
790 | * nes_netdev_set_mac_address | |
791 | */ | |
792 | static int nes_netdev_set_mac_address(struct net_device *netdev, void *p) | |
793 | { | |
794 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
795 | struct nes_device *nesdev = nesvnic->nesdev; | |
796 | struct sockaddr *mac_addr = p; | |
797 | int i; | |
798 | u32 macaddr_low; | |
799 | u16 macaddr_high; | |
800 | ||
801 | if (!is_valid_ether_addr(mac_addr->sa_data)) | |
802 | return -EADDRNOTAVAIL; | |
803 | ||
804 | memcpy(netdev->dev_addr, mac_addr->sa_data, netdev->addr_len); | |
e174961c JB |
805 | printk(PFX "%s: Address length = %d, Address = %pM\n", |
806 | __func__, netdev->addr_len, mac_addr->sa_data); | |
7495ab68 | 807 | macaddr_high = ((u16)netdev->dev_addr[0]) << 8; |
3c2d774c | 808 | macaddr_high += (u16)netdev->dev_addr[1]; |
7495ab68 GS |
809 | macaddr_low = ((u32)netdev->dev_addr[2]) << 24; |
810 | macaddr_low += ((u32)netdev->dev_addr[3]) << 16; | |
811 | macaddr_low += ((u32)netdev->dev_addr[4]) << 8; | |
812 | macaddr_low += (u32)netdev->dev_addr[5]; | |
3c2d774c GS |
813 | |
814 | for (i = 0; i < NES_MAX_PORT_COUNT; i++) { | |
815 | if (nesvnic->qp_nic_index[i] == 0xf) { | |
816 | break; | |
817 | } | |
818 | nes_write_indexed(nesdev, | |
819 | NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8), | |
820 | macaddr_low); | |
821 | nes_write_indexed(nesdev, | |
822 | NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8), | |
823 | (u32)macaddr_high | NES_MAC_ADDR_VALID | | |
824 | ((((u32)nesvnic->nic_index) << 16))); | |
825 | } | |
826 | return 0; | |
827 | } | |
828 | ||
829 | ||
830 | /** | |
831 | * nes_netdev_set_multicast_list | |
832 | */ | |
1a855fbf | 833 | static void nes_netdev_set_multicast_list(struct net_device *netdev) |
3c2d774c GS |
834 | { |
835 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
836 | struct nes_device *nesdev = nesvnic->nesdev; | |
7e36d3d7 | 837 | struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; |
3c2d774c GS |
838 | struct dev_mc_list *multicast_addr; |
839 | u32 nic_active_bit; | |
840 | u32 nic_active; | |
841 | u32 perfect_filter_register_address; | |
842 | u32 macaddr_low; | |
843 | u16 macaddr_high; | |
844 | u8 mc_all_on = 0; | |
845 | u8 mc_index; | |
846 | int mc_nic_index = -1; | |
7e36d3d7 VM |
847 | u8 pft_entries_preallocated = max(nesadapter->adapter_fcn_count * |
848 | nics_per_function, 4); | |
849 | u8 max_pft_entries_avaiable = NES_PFT_SIZE - pft_entries_preallocated; | |
850 | unsigned long flags; | |
3c2d774c | 851 | |
7e36d3d7 | 852 | spin_lock_irqsave(&nesadapter->resource_lock, flags); |
3c2d774c GS |
853 | nic_active_bit = 1 << nesvnic->nic_index; |
854 | ||
855 | if (netdev->flags & IFF_PROMISC) { | |
856 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
857 | nic_active |= nic_active_bit; | |
858 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
859 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
860 | nic_active |= nic_active_bit; | |
861 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
862 | mc_all_on = 1; | |
7e36d3d7 | 863 | } else if ((netdev->flags & IFF_ALLMULTI) || |
3c2d774c GS |
864 | (nesvnic->nic_index > 3)) { |
865 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
866 | nic_active |= nic_active_bit; | |
867 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
868 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
869 | nic_active &= ~nic_active_bit; | |
870 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
871 | mc_all_on = 1; | |
872 | } else { | |
873 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
874 | nic_active &= ~nic_active_bit; | |
875 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
876 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
877 | nic_active &= ~nic_active_bit; | |
878 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
879 | } | |
880 | ||
881 | nes_debug(NES_DBG_NIC_RX, "Number of MC entries = %d, Promiscous = %d, All Multicast = %d.\n", | |
7e36d3d7 VM |
882 | netdev->mc_count, !!(netdev->flags & IFF_PROMISC), |
883 | !!(netdev->flags & IFF_ALLMULTI)); | |
3c2d774c GS |
884 | if (!mc_all_on) { |
885 | multicast_addr = netdev->mc_list; | |
7e36d3d7 VM |
886 | perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW + |
887 | pft_entries_preallocated * 0x8; | |
888 | for (mc_index = 0; mc_index < max_pft_entries_avaiable; | |
889 | mc_index++) { | |
890 | while (multicast_addr && nesvnic->mcrq_mcast_filter && | |
891 | ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic, | |
892 | multicast_addr->dmi_addr)) == 0)) { | |
3c2d774c | 893 | multicast_addr = multicast_addr->next; |
7e36d3d7 | 894 | } |
3c2d774c GS |
895 | if (mc_nic_index < 0) |
896 | mc_nic_index = nesvnic->nic_index; | |
7e36d3d7 VM |
897 | while (nesadapter->pft_mcast_map[mc_index] < 16 && |
898 | nesadapter->pft_mcast_map[mc_index] != | |
899 | nesvnic->nic_index && | |
900 | mc_index < max_pft_entries_avaiable) { | |
901 | nes_debug(NES_DBG_NIC_RX, | |
902 | "mc_index=%d skipping nic_index=%d,\ | |
903 | used for=%d \n", mc_index, | |
904 | nesvnic->nic_index, | |
905 | nesadapter->pft_mcast_map[mc_index]); | |
906 | mc_index++; | |
907 | } | |
908 | if (mc_index >= max_pft_entries_avaiable) | |
909 | break; | |
3c2d774c | 910 | if (multicast_addr) { |
e174961c JB |
911 | nes_debug(NES_DBG_NIC_RX, "Assigning MC Address %pM to register 0x%04X nic_idx=%d\n", |
912 | multicast_addr->dmi_addr, | |
2bd01c5d RD |
913 | perfect_filter_register_address+(mc_index * 8), |
914 | mc_nic_index); | |
7495ab68 | 915 | macaddr_high = ((u16)multicast_addr->dmi_addr[0]) << 8; |
3c2d774c | 916 | macaddr_high += (u16)multicast_addr->dmi_addr[1]; |
7495ab68 GS |
917 | macaddr_low = ((u32)multicast_addr->dmi_addr[2]) << 24; |
918 | macaddr_low += ((u32)multicast_addr->dmi_addr[3]) << 16; | |
919 | macaddr_low += ((u32)multicast_addr->dmi_addr[4]) << 8; | |
920 | macaddr_low += (u32)multicast_addr->dmi_addr[5]; | |
3c2d774c GS |
921 | nes_write_indexed(nesdev, |
922 | perfect_filter_register_address+(mc_index * 8), | |
923 | macaddr_low); | |
924 | nes_write_indexed(nesdev, | |
925 | perfect_filter_register_address+4+(mc_index * 8), | |
926 | (u32)macaddr_high | NES_MAC_ADDR_VALID | | |
927 | ((((u32)(1<<mc_nic_index)) << 16))); | |
928 | multicast_addr = multicast_addr->next; | |
7e36d3d7 VM |
929 | nesadapter->pft_mcast_map[mc_index] = |
930 | nesvnic->nic_index; | |
3c2d774c GS |
931 | } else { |
932 | nes_debug(NES_DBG_NIC_RX, "Clearing MC Address at register 0x%04X\n", | |
933 | perfect_filter_register_address+(mc_index * 8)); | |
934 | nes_write_indexed(nesdev, | |
935 | perfect_filter_register_address+4+(mc_index * 8), | |
936 | 0); | |
7e36d3d7 | 937 | nesadapter->pft_mcast_map[mc_index] = 255; |
3c2d774c GS |
938 | } |
939 | } | |
7e36d3d7 VM |
940 | /* PFT is not large enough */ |
941 | if (multicast_addr && multicast_addr->next) { | |
942 | nic_active = nes_read_indexed(nesdev, | |
943 | NES_IDX_NIC_MULTICAST_ALL); | |
944 | nic_active |= nic_active_bit; | |
945 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, | |
946 | nic_active); | |
947 | nic_active = nes_read_indexed(nesdev, | |
948 | NES_IDX_NIC_UNICAST_ALL); | |
949 | nic_active &= ~nic_active_bit; | |
950 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, | |
951 | nic_active); | |
952 | } | |
3c2d774c | 953 | } |
7e36d3d7 VM |
954 | |
955 | spin_unlock_irqrestore(&nesadapter->resource_lock, flags); | |
3c2d774c GS |
956 | } |
957 | ||
958 | ||
959 | /** | |
960 | * nes_netdev_change_mtu | |
961 | */ | |
7495ab68 | 962 | static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu) |
3c2d774c GS |
963 | { |
964 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
7495ab68 GS |
965 | struct nes_device *nesdev = nesvnic->nesdev; |
966 | int ret = 0; | |
967 | u8 jumbomode = 0; | |
e0e31afb BS |
968 | u32 nic_active; |
969 | u32 nic_active_bit; | |
970 | u32 uc_all_active; | |
971 | u32 mc_all_active; | |
3c2d774c | 972 | |
7495ab68 | 973 | if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu)) |
3c2d774c GS |
974 | return -EINVAL; |
975 | ||
7495ab68 | 976 | netdev->mtu = new_mtu; |
edd2fd64 | 977 | nesvnic->max_frame_size = new_mtu + VLAN_ETH_HLEN; |
3c2d774c GS |
978 | |
979 | if (netdev->mtu > 1500) { | |
980 | jumbomode=1; | |
981 | } | |
7495ab68 | 982 | nes_nic_init_timer_defaults(nesdev, jumbomode); |
3c2d774c GS |
983 | |
984 | if (netif_running(netdev)) { | |
e0e31afb BS |
985 | nic_active_bit = 1 << nesvnic->nic_index; |
986 | mc_all_active = nes_read_indexed(nesdev, | |
987 | NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit; | |
988 | uc_all_active = nes_read_indexed(nesdev, | |
989 | NES_IDX_NIC_UNICAST_ALL) & nic_active_bit; | |
990 | ||
3c2d774c GS |
991 | nes_netdev_stop(netdev); |
992 | nes_netdev_open(netdev); | |
e0e31afb BS |
993 | |
994 | nic_active = nes_read_indexed(nesdev, | |
995 | NES_IDX_NIC_MULTICAST_ALL); | |
996 | nic_active |= mc_all_active; | |
997 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, | |
998 | nic_active); | |
999 | ||
1000 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
1001 | nic_active |= uc_all_active; | |
1002 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
3c2d774c GS |
1003 | } |
1004 | ||
1005 | return ret; | |
1006 | } | |
1007 | ||
37dab411 | 1008 | static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = { |
3c2d774c GS |
1009 | "Link Change Interrupts", |
1010 | "Linearized SKBs", | |
1011 | "T/GSO Requests", | |
1012 | "Pause Frames Sent", | |
1013 | "Pause Frames Received", | |
1014 | "Internal Routing Errors", | |
1015 | "SQ SW Dropped SKBs", | |
1016 | "SQ Locked", | |
1017 | "SQ Full", | |
1018 | "Segmented TSO Requests", | |
1019 | "Rx Symbol Errors", | |
1020 | "Rx Jabber Errors", | |
1021 | "Rx Oversized Frames", | |
1022 | "Rx Short Frames", | |
1023 | "Endnode Rx Discards", | |
1024 | "Endnode Rx Octets", | |
1025 | "Endnode Rx Frames", | |
1026 | "Endnode Tx Octets", | |
1027 | "Endnode Tx Frames", | |
1028 | "mh detected", | |
1029 | "mh pauses", | |
1030 | "Retransmission Count", | |
1031 | "CM Connects", | |
1032 | "CM Accepts", | |
1033 | "Disconnects", | |
1034 | "Connected Events", | |
1035 | "Connect Requests", | |
1036 | "CM Rejects", | |
1037 | "ModifyQP Timeouts", | |
1038 | "CreateQPs", | |
1039 | "SW DestroyQPs", | |
1040 | "DestroyQPs", | |
1041 | "CM Closes", | |
1042 | "CM Packets Sent", | |
1043 | "CM Packets Bounced", | |
1044 | "CM Packets Created", | |
1045 | "CM Packets Rcvd", | |
1046 | "CM Packets Dropped", | |
1047 | "CM Packets Retrans", | |
1048 | "CM Listens Created", | |
1049 | "CM Listens Destroyed", | |
1050 | "CM Backlog Drops", | |
1051 | "CM Loopbacks", | |
1052 | "CM Nodes Created", | |
1053 | "CM Nodes Destroyed", | |
1054 | "CM Accel Drops", | |
1055 | "CM Resets Received", | |
1056 | "Timer Inits", | |
1057 | "CQ Depth 1", | |
1058 | "CQ Depth 4", | |
1059 | "CQ Depth 16", | |
1060 | "CQ Depth 24", | |
1061 | "CQ Depth 32", | |
1062 | "CQ Depth 128", | |
1063 | "CQ Depth 256", | |
37dab411 FL |
1064 | "LRO aggregated", |
1065 | "LRO flushed", | |
1066 | "LRO no_desc", | |
3c2d774c GS |
1067 | }; |
1068 | ||
37dab411 | 1069 | #define NES_ETHTOOL_STAT_COUNT ARRAY_SIZE(nes_ethtool_stringset) |
3c2d774c GS |
1070 | |
1071 | /** | |
1072 | * nes_netdev_get_rx_csum | |
1073 | */ | |
1074 | static u32 nes_netdev_get_rx_csum (struct net_device *netdev) | |
1075 | { | |
1076 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1077 | ||
1078 | if (nesvnic->rx_checksum_disabled) | |
1079 | return 0; | |
1080 | else | |
1081 | return 1; | |
1082 | } | |
1083 | ||
1084 | ||
1085 | /** | |
1086 | * nes_netdev_set_rc_csum | |
1087 | */ | |
1088 | static int nes_netdev_set_rx_csum(struct net_device *netdev, u32 enable) | |
1089 | { | |
1090 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1091 | ||
1092 | if (enable) | |
1093 | nesvnic->rx_checksum_disabled = 0; | |
1094 | else | |
1095 | nesvnic->rx_checksum_disabled = 1; | |
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | ||
1100 | /** | |
1101 | * nes_netdev_get_stats_count | |
1102 | */ | |
1103 | static int nes_netdev_get_stats_count(struct net_device *netdev) | |
1104 | { | |
1105 | return NES_ETHTOOL_STAT_COUNT; | |
1106 | } | |
1107 | ||
1108 | ||
1109 | /** | |
1110 | * nes_netdev_get_strings | |
1111 | */ | |
1112 | static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset, | |
1113 | u8 *ethtool_strings) | |
1114 | { | |
1115 | if (stringset == ETH_SS_STATS) | |
1116 | memcpy(ethtool_strings, | |
1117 | &nes_ethtool_stringset, | |
1118 | sizeof(nes_ethtool_stringset)); | |
1119 | } | |
1120 | ||
1121 | ||
1122 | /** | |
1123 | * nes_netdev_get_ethtool_stats | |
1124 | */ | |
1125 | static void nes_netdev_get_ethtool_stats(struct net_device *netdev, | |
1126 | struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values) | |
1127 | { | |
1128 | u64 u64temp; | |
1129 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1130 | struct nes_device *nesdev = nesvnic->nesdev; | |
1131 | u32 nic_count; | |
1132 | u32 u32temp; | |
1133 | ||
1134 | target_ethtool_stats->n_stats = NES_ETHTOOL_STAT_COUNT; | |
1135 | target_stat_values[0] = nesvnic->nesdev->link_status_interrupts; | |
1136 | target_stat_values[1] = nesvnic->linearized_skbs; | |
1137 | target_stat_values[2] = nesvnic->tso_requests; | |
1138 | ||
1139 | u32temp = nes_read_indexed(nesdev, | |
1140 | NES_IDX_MAC_TX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1141 | nesvnic->nesdev->mac_pause_frames_sent += u32temp; | |
1142 | target_stat_values[3] = nesvnic->nesdev->mac_pause_frames_sent; | |
1143 | ||
1144 | u32temp = nes_read_indexed(nesdev, | |
1145 | NES_IDX_MAC_RX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1146 | nesvnic->nesdev->mac_pause_frames_received += u32temp; | |
1147 | ||
1148 | u32temp = nes_read_indexed(nesdev, | |
1149 | NES_IDX_PORT_RX_DISCARDS + (nesvnic->nesdev->mac_index*0x40)); | |
1150 | nesvnic->nesdev->port_rx_discards += u32temp; | |
1151 | nesvnic->netstats.rx_dropped += u32temp; | |
1152 | ||
1153 | u32temp = nes_read_indexed(nesdev, | |
1154 | NES_IDX_PORT_TX_DISCARDS + (nesvnic->nesdev->mac_index*0x40)); | |
1155 | nesvnic->nesdev->port_tx_discards += u32temp; | |
1156 | nesvnic->netstats.tx_dropped += u32temp; | |
1157 | ||
1158 | for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) { | |
1159 | if (nesvnic->qp_nic_index[nic_count] == 0xf) | |
1160 | break; | |
1161 | ||
1162 | u32temp = nes_read_indexed(nesdev, | |
1163 | NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + | |
1164 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1165 | nesvnic->netstats.rx_dropped += u32temp; | |
1166 | nesvnic->endnode_nstat_rx_discard += u32temp; | |
1167 | ||
1168 | u64temp = (u64)nes_read_indexed(nesdev, | |
1169 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + | |
1170 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1171 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1172 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + | |
1173 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1174 | ||
1175 | nesvnic->endnode_nstat_rx_octets += u64temp; | |
1176 | nesvnic->netstats.rx_bytes += u64temp; | |
1177 | ||
1178 | u64temp = (u64)nes_read_indexed(nesdev, | |
1179 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + | |
1180 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1181 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1182 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + | |
1183 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1184 | ||
1185 | nesvnic->endnode_nstat_rx_frames += u64temp; | |
1186 | nesvnic->netstats.rx_packets += u64temp; | |
1187 | ||
1188 | u64temp = (u64)nes_read_indexed(nesdev, | |
1189 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + | |
1190 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1191 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1192 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + | |
1193 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1194 | ||
1195 | nesvnic->endnode_nstat_tx_octets += u64temp; | |
1196 | nesvnic->netstats.tx_bytes += u64temp; | |
1197 | ||
1198 | u64temp = (u64)nes_read_indexed(nesdev, | |
1199 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + | |
1200 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1201 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1202 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + | |
1203 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1204 | ||
1205 | nesvnic->endnode_nstat_tx_frames += u64temp; | |
1206 | nesvnic->netstats.tx_packets += u64temp; | |
1207 | ||
1208 | u32temp = nes_read_indexed(nesdev, | |
1209 | NES_IDX_IPV4_TCP_REXMITS + (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1210 | nesvnic->endnode_ipv4_tcp_retransmits += u32temp; | |
1211 | } | |
1212 | ||
1213 | target_stat_values[4] = nesvnic->nesdev->mac_pause_frames_received; | |
1214 | target_stat_values[5] = nesdev->nesadapter->nic_rx_eth_route_err; | |
1215 | target_stat_values[6] = nesvnic->tx_sw_dropped; | |
1216 | target_stat_values[7] = nesvnic->sq_locked; | |
1217 | target_stat_values[8] = nesvnic->sq_full; | |
1218 | target_stat_values[9] = nesvnic->segmented_tso_requests; | |
1219 | target_stat_values[10] = nesvnic->nesdev->mac_rx_symbol_err_frames; | |
1220 | target_stat_values[11] = nesvnic->nesdev->mac_rx_jabber_frames; | |
1221 | target_stat_values[12] = nesvnic->nesdev->mac_rx_oversized_frames; | |
1222 | target_stat_values[13] = nesvnic->nesdev->mac_rx_short_frames; | |
1223 | target_stat_values[14] = nesvnic->endnode_nstat_rx_discard; | |
1224 | target_stat_values[15] = nesvnic->endnode_nstat_rx_octets; | |
1225 | target_stat_values[16] = nesvnic->endnode_nstat_rx_frames; | |
1226 | target_stat_values[17] = nesvnic->endnode_nstat_tx_octets; | |
1227 | target_stat_values[18] = nesvnic->endnode_nstat_tx_frames; | |
1228 | target_stat_values[19] = mh_detected; | |
1229 | target_stat_values[20] = mh_pauses_sent; | |
1230 | target_stat_values[21] = nesvnic->endnode_ipv4_tcp_retransmits; | |
1231 | target_stat_values[22] = atomic_read(&cm_connects); | |
1232 | target_stat_values[23] = atomic_read(&cm_accepts); | |
1233 | target_stat_values[24] = atomic_read(&cm_disconnects); | |
1234 | target_stat_values[25] = atomic_read(&cm_connecteds); | |
1235 | target_stat_values[26] = atomic_read(&cm_connect_reqs); | |
1236 | target_stat_values[27] = atomic_read(&cm_rejects); | |
1237 | target_stat_values[28] = atomic_read(&mod_qp_timouts); | |
1238 | target_stat_values[29] = atomic_read(&qps_created); | |
1239 | target_stat_values[30] = atomic_read(&sw_qps_destroyed); | |
1240 | target_stat_values[31] = atomic_read(&qps_destroyed); | |
1241 | target_stat_values[32] = atomic_read(&cm_closes); | |
1242 | target_stat_values[33] = cm_packets_sent; | |
1243 | target_stat_values[34] = cm_packets_bounced; | |
1244 | target_stat_values[35] = cm_packets_created; | |
1245 | target_stat_values[36] = cm_packets_received; | |
1246 | target_stat_values[37] = cm_packets_dropped; | |
1247 | target_stat_values[38] = cm_packets_retrans; | |
1248 | target_stat_values[39] = cm_listens_created; | |
1249 | target_stat_values[40] = cm_listens_destroyed; | |
1250 | target_stat_values[41] = cm_backlog_drops; | |
1251 | target_stat_values[42] = atomic_read(&cm_loopbacks); | |
1252 | target_stat_values[43] = atomic_read(&cm_nodes_created); | |
1253 | target_stat_values[44] = atomic_read(&cm_nodes_destroyed); | |
1254 | target_stat_values[45] = atomic_read(&cm_accel_dropped_pkts); | |
1255 | target_stat_values[46] = atomic_read(&cm_resets_recvd); | |
1256 | target_stat_values[47] = int_mod_timer_init; | |
1257 | target_stat_values[48] = int_mod_cq_depth_1; | |
1258 | target_stat_values[49] = int_mod_cq_depth_4; | |
1259 | target_stat_values[50] = int_mod_cq_depth_16; | |
1260 | target_stat_values[51] = int_mod_cq_depth_24; | |
1261 | target_stat_values[52] = int_mod_cq_depth_32; | |
1262 | target_stat_values[53] = int_mod_cq_depth_128; | |
1263 | target_stat_values[54] = int_mod_cq_depth_256; | |
37dab411 FL |
1264 | target_stat_values[55] = nesvnic->lro_mgr.stats.aggregated; |
1265 | target_stat_values[56] = nesvnic->lro_mgr.stats.flushed; | |
1266 | target_stat_values[57] = nesvnic->lro_mgr.stats.no_desc; | |
3c2d774c GS |
1267 | |
1268 | } | |
1269 | ||
1270 | ||
1271 | /** | |
1272 | * nes_netdev_get_drvinfo | |
1273 | */ | |
1274 | static void nes_netdev_get_drvinfo(struct net_device *netdev, | |
1275 | struct ethtool_drvinfo *drvinfo) | |
1276 | { | |
1277 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
0c93ae35 | 1278 | struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; |
3c2d774c GS |
1279 | |
1280 | strcpy(drvinfo->driver, DRV_NAME); | |
1281 | strcpy(drvinfo->bus_info, pci_name(nesvnic->nesdev->pcidev)); | |
0c93ae35 CT |
1282 | sprintf(drvinfo->fw_version, "%u.%u", nesadapter->firmware_version>>16, |
1283 | nesadapter->firmware_version & 0x000000ff); | |
3c2d774c GS |
1284 | strcpy(drvinfo->version, DRV_VERSION); |
1285 | drvinfo->n_stats = nes_netdev_get_stats_count(netdev); | |
1286 | drvinfo->testinfo_len = 0; | |
1287 | drvinfo->eedump_len = 0; | |
1288 | drvinfo->regdump_len = 0; | |
1289 | } | |
1290 | ||
1291 | ||
1292 | /** | |
1293 | * nes_netdev_set_coalesce | |
1294 | */ | |
1295 | static int nes_netdev_set_coalesce(struct net_device *netdev, | |
1296 | struct ethtool_coalesce *et_coalesce) | |
1297 | { | |
1298 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
7495ab68 | 1299 | struct nes_device *nesdev = nesvnic->nesdev; |
3c2d774c GS |
1300 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
1301 | struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer; | |
1302 | unsigned long flags; | |
1303 | ||
7495ab68 | 1304 | spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags); |
3c2d774c | 1305 | if (et_coalesce->rx_max_coalesced_frames_low) { |
7495ab68 | 1306 | shared_timer->threshold_low = et_coalesce->rx_max_coalesced_frames_low; |
3c2d774c GS |
1307 | } |
1308 | if (et_coalesce->rx_max_coalesced_frames_irq) { | |
1309 | shared_timer->threshold_target = et_coalesce->rx_max_coalesced_frames_irq; | |
1310 | } | |
1311 | if (et_coalesce->rx_max_coalesced_frames_high) { | |
1312 | shared_timer->threshold_high = et_coalesce->rx_max_coalesced_frames_high; | |
1313 | } | |
1314 | if (et_coalesce->rx_coalesce_usecs_low) { | |
1315 | shared_timer->timer_in_use_min = et_coalesce->rx_coalesce_usecs_low; | |
1316 | } | |
1317 | if (et_coalesce->rx_coalesce_usecs_high) { | |
1318 | shared_timer->timer_in_use_max = et_coalesce->rx_coalesce_usecs_high; | |
1319 | } | |
1320 | spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags); | |
1321 | ||
1322 | /* using this to drive total interrupt moderation */ | |
1323 | nesadapter->et_rx_coalesce_usecs_irq = et_coalesce->rx_coalesce_usecs_irq; | |
1324 | if (et_coalesce->use_adaptive_rx_coalesce) { | |
1325 | nesadapter->et_use_adaptive_rx_coalesce = 1; | |
7495ab68 | 1326 | nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC; |
3c2d774c GS |
1327 | nesadapter->et_rx_coalesce_usecs_irq = 0; |
1328 | if (et_coalesce->pkt_rate_low) { | |
7495ab68 | 1329 | nesadapter->et_pkt_rate_low = et_coalesce->pkt_rate_low; |
3c2d774c GS |
1330 | } |
1331 | } else { | |
1332 | nesadapter->et_use_adaptive_rx_coalesce = 0; | |
7495ab68 | 1333 | nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT; |
3c2d774c GS |
1334 | if (nesadapter->et_rx_coalesce_usecs_irq) { |
1335 | nes_write32(nesdev->regs+NES_PERIODIC_CONTROL, | |
1336 | 0x80000000 | ((u32)(nesadapter->et_rx_coalesce_usecs_irq*8))); | |
1337 | } | |
1338 | } | |
1339 | return 0; | |
1340 | } | |
1341 | ||
1342 | ||
1343 | /** | |
1344 | * nes_netdev_get_coalesce | |
1345 | */ | |
1346 | static int nes_netdev_get_coalesce(struct net_device *netdev, | |
1347 | struct ethtool_coalesce *et_coalesce) | |
1348 | { | |
1349 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
7495ab68 | 1350 | struct nes_device *nesdev = nesvnic->nesdev; |
3c2d774c GS |
1351 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
1352 | struct ethtool_coalesce temp_et_coalesce; | |
1353 | struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer; | |
1354 | unsigned long flags; | |
1355 | ||
1356 | memset(&temp_et_coalesce, 0, sizeof(temp_et_coalesce)); | |
7495ab68 GS |
1357 | temp_et_coalesce.rx_coalesce_usecs_irq = nesadapter->et_rx_coalesce_usecs_irq; |
1358 | temp_et_coalesce.use_adaptive_rx_coalesce = nesadapter->et_use_adaptive_rx_coalesce; | |
1359 | temp_et_coalesce.rate_sample_interval = nesadapter->et_rate_sample_interval; | |
3c2d774c GS |
1360 | temp_et_coalesce.pkt_rate_low = nesadapter->et_pkt_rate_low; |
1361 | spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags); | |
7495ab68 GS |
1362 | temp_et_coalesce.rx_max_coalesced_frames_low = shared_timer->threshold_low; |
1363 | temp_et_coalesce.rx_max_coalesced_frames_irq = shared_timer->threshold_target; | |
3c2d774c | 1364 | temp_et_coalesce.rx_max_coalesced_frames_high = shared_timer->threshold_high; |
7495ab68 | 1365 | temp_et_coalesce.rx_coalesce_usecs_low = shared_timer->timer_in_use_min; |
3c2d774c GS |
1366 | temp_et_coalesce.rx_coalesce_usecs_high = shared_timer->timer_in_use_max; |
1367 | if (nesadapter->et_use_adaptive_rx_coalesce) { | |
1368 | temp_et_coalesce.rx_coalesce_usecs_irq = shared_timer->timer_in_use; | |
1369 | } | |
1370 | spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags); | |
7495ab68 | 1371 | memcpy(et_coalesce, &temp_et_coalesce, sizeof(*et_coalesce)); |
3c2d774c GS |
1372 | return 0; |
1373 | } | |
1374 | ||
1375 | ||
1376 | /** | |
1377 | * nes_netdev_get_pauseparam | |
1378 | */ | |
1379 | static void nes_netdev_get_pauseparam(struct net_device *netdev, | |
1380 | struct ethtool_pauseparam *et_pauseparam) | |
1381 | { | |
1382 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1383 | ||
1384 | et_pauseparam->autoneg = 0; | |
1385 | et_pauseparam->rx_pause = (nesvnic->nesdev->disable_rx_flow_control == 0) ? 1:0; | |
1386 | et_pauseparam->tx_pause = (nesvnic->nesdev->disable_tx_flow_control == 0) ? 1:0; | |
1387 | } | |
1388 | ||
1389 | ||
1390 | /** | |
1391 | * nes_netdev_set_pauseparam | |
1392 | */ | |
1393 | static int nes_netdev_set_pauseparam(struct net_device *netdev, | |
1394 | struct ethtool_pauseparam *et_pauseparam) | |
1395 | { | |
1396 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1397 | struct nes_device *nesdev = nesvnic->nesdev; | |
1398 | u32 u32temp; | |
1399 | ||
1400 | if (et_pauseparam->autoneg) { | |
1401 | /* TODO: should return unsupported */ | |
1402 | return 0; | |
1403 | } | |
1404 | if ((et_pauseparam->tx_pause == 1) && (nesdev->disable_tx_flow_control == 1)) { | |
1405 | u32temp = nes_read_indexed(nesdev, | |
1406 | NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200)); | |
1407 | u32temp |= NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE; | |
1408 | nes_write_indexed(nesdev, | |
1409 | NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE + (nesdev->mac_index*0x200), u32temp); | |
1410 | nesdev->disable_tx_flow_control = 0; | |
1411 | } else if ((et_pauseparam->tx_pause == 0) && (nesdev->disable_tx_flow_control == 0)) { | |
1412 | u32temp = nes_read_indexed(nesdev, | |
1413 | NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200)); | |
1414 | u32temp &= ~NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE; | |
1415 | nes_write_indexed(nesdev, | |
1416 | NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE + (nesdev->mac_index*0x200), u32temp); | |
1417 | nesdev->disable_tx_flow_control = 1; | |
1418 | } | |
1419 | if ((et_pauseparam->rx_pause == 1) && (nesdev->disable_rx_flow_control == 1)) { | |
1420 | u32temp = nes_read_indexed(nesdev, | |
1421 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40)); | |
1422 | u32temp &= ~NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE; | |
1423 | nes_write_indexed(nesdev, | |
1424 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp); | |
1425 | nesdev->disable_rx_flow_control = 0; | |
1426 | } else if ((et_pauseparam->rx_pause == 0) && (nesdev->disable_rx_flow_control == 0)) { | |
1427 | u32temp = nes_read_indexed(nesdev, | |
1428 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40)); | |
1429 | u32temp |= NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE; | |
1430 | nes_write_indexed(nesdev, | |
1431 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp); | |
1432 | nesdev->disable_rx_flow_control = 1; | |
1433 | } | |
1434 | ||
1435 | return 0; | |
1436 | } | |
1437 | ||
1438 | ||
1439 | /** | |
1440 | * nes_netdev_get_settings | |
1441 | */ | |
1442 | static int nes_netdev_get_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd) | |
1443 | { | |
1444 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1445 | struct nes_device *nesdev = nesvnic->nesdev; | |
1446 | struct nes_adapter *nesadapter = nesdev->nesadapter; | |
1447 | u16 phy_data; | |
1448 | ||
1449 | et_cmd->duplex = DUPLEX_FULL; | |
7495ab68 | 1450 | et_cmd->port = PORT_MII; |
0e1de5d6 | 1451 | |
3c2d774c | 1452 | if (nesadapter->OneG_Mode) { |
3c2d774c | 1453 | et_cmd->speed = SPEED_1000; |
0e1de5d6 ES |
1454 | if (nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) { |
1455 | et_cmd->supported = SUPPORTED_1000baseT_Full; | |
1456 | et_cmd->advertising = ADVERTISED_1000baseT_Full; | |
1457 | et_cmd->autoneg = AUTONEG_DISABLE; | |
1458 | et_cmd->transceiver = XCVR_INTERNAL; | |
1459 | et_cmd->phy_address = nesdev->mac_index; | |
3c2d774c | 1460 | } else { |
0e1de5d6 ES |
1461 | et_cmd->supported = SUPPORTED_1000baseT_Full | SUPPORTED_Autoneg; |
1462 | et_cmd->advertising = ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg; | |
1463 | nes_read_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index], &phy_data); | |
1464 | if (phy_data & 0x1000) | |
1465 | et_cmd->autoneg = AUTONEG_ENABLE; | |
1466 | else | |
1467 | et_cmd->autoneg = AUTONEG_DISABLE; | |
1468 | et_cmd->transceiver = XCVR_EXTERNAL; | |
1469 | et_cmd->phy_address = nesadapter->phy_index[nesdev->mac_index]; | |
3c2d774c | 1470 | } |
3c2d774c | 1471 | } else { |
0e1de5d6 ES |
1472 | if ((nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_IRIS) || |
1473 | (nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_ARGUS)) { | |
3c2d774c | 1474 | et_cmd->transceiver = XCVR_EXTERNAL; |
7495ab68 GS |
1475 | et_cmd->port = PORT_FIBRE; |
1476 | et_cmd->supported = SUPPORTED_FIBRE; | |
3c2d774c GS |
1477 | et_cmd->advertising = ADVERTISED_FIBRE; |
1478 | et_cmd->phy_address = nesadapter->phy_index[nesdev->mac_index]; | |
1479 | } else { | |
1480 | et_cmd->transceiver = XCVR_INTERNAL; | |
7495ab68 | 1481 | et_cmd->supported = SUPPORTED_10000baseT_Full; |
3c2d774c GS |
1482 | et_cmd->advertising = ADVERTISED_10000baseT_Full; |
1483 | et_cmd->phy_address = nesdev->mac_index; | |
1484 | } | |
1485 | et_cmd->speed = SPEED_10000; | |
1486 | et_cmd->autoneg = AUTONEG_DISABLE; | |
1487 | } | |
1488 | et_cmd->maxtxpkt = 511; | |
1489 | et_cmd->maxrxpkt = 511; | |
1490 | return 0; | |
1491 | } | |
1492 | ||
1493 | ||
1494 | /** | |
1495 | * nes_netdev_set_settings | |
1496 | */ | |
1497 | static int nes_netdev_set_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd) | |
1498 | { | |
1499 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1500 | struct nes_device *nesdev = nesvnic->nesdev; | |
1501 | struct nes_adapter *nesadapter = nesdev->nesadapter; | |
1502 | u16 phy_data; | |
1503 | ||
0e1de5d6 ES |
1504 | if ((nesadapter->OneG_Mode) && |
1505 | (nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G)) { | |
3c2d774c GS |
1506 | nes_read_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index], |
1507 | &phy_data); | |
1508 | if (et_cmd->autoneg) { | |
1509 | /* Turn on Full duplex, Autoneg, and restart autonegotiation */ | |
1510 | phy_data |= 0x1300; | |
1511 | } else { | |
7495ab68 | 1512 | /* Turn off autoneg */ |
3c2d774c GS |
1513 | phy_data &= ~0x1000; |
1514 | } | |
1515 | nes_write_1G_phy_reg(nesdev, 0, nesadapter->phy_index[nesdev->mac_index], | |
1516 | phy_data); | |
1517 | } | |
1518 | ||
1519 | return 0; | |
1520 | } | |
1521 | ||
1522 | ||
1523 | static struct ethtool_ops nes_ethtool_ops = { | |
1524 | .get_link = ethtool_op_get_link, | |
1525 | .get_settings = nes_netdev_get_settings, | |
1526 | .set_settings = nes_netdev_set_settings, | |
1527 | .get_tx_csum = ethtool_op_get_tx_csum, | |
1528 | .get_rx_csum = nes_netdev_get_rx_csum, | |
1529 | .get_sg = ethtool_op_get_sg, | |
1530 | .get_strings = nes_netdev_get_strings, | |
1531 | .get_stats_count = nes_netdev_get_stats_count, | |
1532 | .get_ethtool_stats = nes_netdev_get_ethtool_stats, | |
1533 | .get_drvinfo = nes_netdev_get_drvinfo, | |
1534 | .get_coalesce = nes_netdev_get_coalesce, | |
1535 | .set_coalesce = nes_netdev_set_coalesce, | |
1536 | .get_pauseparam = nes_netdev_get_pauseparam, | |
1537 | .set_pauseparam = nes_netdev_set_pauseparam, | |
1538 | .set_tx_csum = ethtool_op_set_tx_csum, | |
1539 | .set_rx_csum = nes_netdev_set_rx_csum, | |
1540 | .set_sg = ethtool_op_set_sg, | |
1541 | .get_tso = ethtool_op_get_tso, | |
1542 | .set_tso = ethtool_op_set_tso, | |
37dab411 FL |
1543 | .get_flags = ethtool_op_get_flags, |
1544 | .set_flags = ethtool_op_set_flags, | |
3c2d774c GS |
1545 | }; |
1546 | ||
1547 | ||
1548 | static void nes_netdev_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) | |
1549 | { | |
1550 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1551 | struct nes_device *nesdev = nesvnic->nesdev; | |
edd2fd64 | 1552 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
3c2d774c | 1553 | u32 u32temp; |
edd2fd64 | 1554 | unsigned long flags; |
3c2d774c | 1555 | |
edd2fd64 | 1556 | spin_lock_irqsave(&nesadapter->phy_lock, flags); |
3c2d774c GS |
1557 | nesvnic->vlan_grp = grp; |
1558 | ||
edd2fd64 CT |
1559 | nes_debug(NES_DBG_NETDEV, "%s: %s\n", __func__, netdev->name); |
1560 | ||
3c2d774c GS |
1561 | /* Enable/Disable VLAN Stripping */ |
1562 | u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG); | |
1563 | if (grp) | |
1564 | u32temp &= 0xfdffffff; | |
1565 | else | |
1566 | u32temp |= 0x02000000; | |
1567 | ||
1568 | nes_write_indexed(nesdev, NES_IDX_PCIX_DIAG, u32temp); | |
edd2fd64 | 1569 | spin_unlock_irqrestore(&nesadapter->phy_lock, flags); |
3c2d774c GS |
1570 | } |
1571 | ||
1572 | ||
1573 | /** | |
1574 | * nes_netdev_init - initialize network device | |
1575 | */ | |
1576 | struct net_device *nes_netdev_init(struct nes_device *nesdev, | |
1577 | void __iomem *mmio_addr) | |
1578 | { | |
1579 | u64 u64temp; | |
1580 | struct nes_vnic *nesvnic = NULL; | |
1581 | struct net_device *netdev; | |
1582 | struct nic_qp_map *curr_qp_map; | |
1583 | u32 u32temp; | |
1584 | u16 phy_data; | |
1585 | u16 temp_phy_data; | |
1586 | ||
1587 | netdev = alloc_etherdev(sizeof(struct nes_vnic)); | |
1588 | if (!netdev) { | |
1589 | printk(KERN_ERR PFX "nesvnic etherdev alloc failed"); | |
1590 | return NULL; | |
1591 | } | |
1592 | ||
1593 | nes_debug(NES_DBG_INIT, "netdev = %p, %s\n", netdev, netdev->name); | |
1594 | ||
1595 | SET_NETDEV_DEV(netdev, &nesdev->pcidev->dev); | |
1596 | ||
1597 | nesvnic = netdev_priv(netdev); | |
1598 | memset(nesvnic, 0, sizeof(*nesvnic)); | |
1599 | ||
1600 | netdev->open = nes_netdev_open; | |
1601 | netdev->stop = nes_netdev_stop; | |
1602 | netdev->hard_start_xmit = nes_netdev_start_xmit; | |
1603 | netdev->get_stats = nes_netdev_get_stats; | |
1604 | netdev->tx_timeout = nes_netdev_tx_timeout; | |
1605 | netdev->set_mac_address = nes_netdev_set_mac_address; | |
1606 | netdev->set_multicast_list = nes_netdev_set_multicast_list; | |
1607 | netdev->change_mtu = nes_netdev_change_mtu; | |
1608 | netdev->watchdog_timeo = NES_TX_TIMEOUT; | |
1609 | netdev->irq = nesdev->pcidev->irq; | |
1610 | netdev->mtu = ETH_DATA_LEN; | |
1611 | netdev->hard_header_len = ETH_HLEN; | |
1612 | netdev->addr_len = ETH_ALEN; | |
1613 | netdev->type = ARPHRD_ETHER; | |
1614 | netdev->features = NETIF_F_HIGHDMA; | |
1615 | netdev->ethtool_ops = &nes_ethtool_ops; | |
1616 | netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128); | |
1617 | nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n"); | |
1618 | netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
1619 | netdev->vlan_rx_register = nes_netdev_vlan_rx_register; | |
1620 | netdev->features |= NETIF_F_LLTX; | |
1621 | ||
1622 | /* Fill in the port structure */ | |
1623 | nesvnic->netdev = netdev; | |
1624 | nesvnic->nesdev = nesdev; | |
1625 | nesvnic->msg_enable = netif_msg_init(debug, default_msg); | |
1626 | nesvnic->netdev_index = nesdev->netdev_count; | |
1627 | nesvnic->perfect_filter_index = nesdev->nesadapter->netdev_count; | |
edd2fd64 | 1628 | nesvnic->max_frame_size = netdev->mtu + netdev->hard_header_len + VLAN_HLEN; |
3c2d774c GS |
1629 | |
1630 | curr_qp_map = nic_qp_mapping_per_function[PCI_FUNC(nesdev->pcidev->devfn)]; | |
1631 | nesvnic->nic.qp_id = curr_qp_map[nesdev->netdev_count].qpid; | |
1632 | nesvnic->nic_index = curr_qp_map[nesdev->netdev_count].nic_index; | |
1633 | nesvnic->logical_port = curr_qp_map[nesdev->netdev_count].logical_port; | |
1634 | ||
1635 | /* Setup the burned in MAC address */ | |
1636 | u64temp = (u64)nesdev->nesadapter->mac_addr_low; | |
1637 | u64temp += ((u64)nesdev->nesadapter->mac_addr_high) << 32; | |
1638 | u64temp += nesvnic->nic_index; | |
1639 | netdev->dev_addr[0] = (u8)(u64temp>>40); | |
1640 | netdev->dev_addr[1] = (u8)(u64temp>>32); | |
1641 | netdev->dev_addr[2] = (u8)(u64temp>>24); | |
1642 | netdev->dev_addr[3] = (u8)(u64temp>>16); | |
1643 | netdev->dev_addr[4] = (u8)(u64temp>>8); | |
1644 | netdev->dev_addr[5] = (u8)u64temp; | |
1645 | memcpy(netdev->perm_addr, netdev->dev_addr, 6); | |
1646 | ||
1647 | if ((nesvnic->logical_port < 2) || (nesdev->nesadapter->hw_rev != NE020_REV)) { | |
1648 | netdev->features |= NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM; | |
1649 | netdev->features |= NETIF_F_GSO | NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM; | |
1650 | } else { | |
1651 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; | |
1652 | } | |
1653 | ||
1654 | nes_debug(NES_DBG_INIT, "nesvnic = %p, reported features = 0x%lX, QPid = %d," | |
1655 | " nic_index = %d, logical_port = %d, mac_index = %d.\n", | |
1656 | nesvnic, (unsigned long)netdev->features, nesvnic->nic.qp_id, | |
1657 | nesvnic->nic_index, nesvnic->logical_port, nesdev->mac_index); | |
1658 | ||
7e36d3d7 VM |
1659 | if (nesvnic->nesdev->nesadapter->port_count == 1 && |
1660 | nesvnic->nesdev->nesadapter->adapter_fcn_count == 1) { | |
1661 | ||
3c2d774c GS |
1662 | nesvnic->qp_nic_index[0] = nesvnic->nic_index; |
1663 | nesvnic->qp_nic_index[1] = nesvnic->nic_index + 1; | |
1664 | if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) { | |
1665 | nesvnic->qp_nic_index[2] = 0xf; | |
1666 | nesvnic->qp_nic_index[3] = 0xf; | |
1667 | } else { | |
1668 | nesvnic->qp_nic_index[2] = nesvnic->nic_index + 2; | |
1669 | nesvnic->qp_nic_index[3] = nesvnic->nic_index + 3; | |
1670 | } | |
1671 | } else { | |
7e36d3d7 VM |
1672 | if (nesvnic->nesdev->nesadapter->port_count == 2 || |
1673 | (nesvnic->nesdev->nesadapter->port_count == 1 && | |
1674 | nesvnic->nesdev->nesadapter->adapter_fcn_count == 2)) { | |
1675 | nesvnic->qp_nic_index[0] = nesvnic->nic_index; | |
1676 | nesvnic->qp_nic_index[1] = nesvnic->nic_index | |
1677 | + 2; | |
1678 | nesvnic->qp_nic_index[2] = 0xf; | |
1679 | nesvnic->qp_nic_index[3] = 0xf; | |
3c2d774c GS |
1680 | } else { |
1681 | nesvnic->qp_nic_index[0] = nesvnic->nic_index; | |
1682 | nesvnic->qp_nic_index[1] = 0xf; | |
1683 | nesvnic->qp_nic_index[2] = 0xf; | |
1684 | nesvnic->qp_nic_index[3] = 0xf; | |
1685 | } | |
1686 | } | |
1687 | nesvnic->next_qp_nic_index = 0; | |
1688 | ||
1689 | if (nesdev->netdev_count == 0) { | |
1690 | nesvnic->rdma_enabled = 1; | |
1691 | } else { | |
1692 | nesvnic->rdma_enabled = 0; | |
1693 | } | |
1694 | nesvnic->nic_cq.cq_number = nesvnic->nic.qp_id; | |
1695 | spin_lock_init(&nesvnic->tx_lock); | |
1696 | nesdev->netdev[nesdev->netdev_count] = netdev; | |
1697 | ||
1698 | nes_debug(NES_DBG_INIT, "Adding nesvnic (%p) to the adapters nesvnic_list for MAC%d.\n", | |
1699 | nesvnic, nesdev->mac_index); | |
1700 | list_add_tail(&nesvnic->list, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]); | |
1701 | ||
1702 | if ((nesdev->netdev_count == 0) && | |
0e1de5d6 ES |
1703 | ((PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index) || |
1704 | ((nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) && | |
1705 | (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) || | |
1706 | ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) { | |
1707 | /* | |
1708 | * nes_debug(NES_DBG_INIT, "Setting up PHY interrupt mask. Using register index 0x%04X\n", | |
1709 | * NES_IDX_PHY_PCS_CONTROL_STATUS0 + (0x200 * (nesvnic->logical_port & 1))); | |
1710 | */ | |
3c2d774c | 1711 | u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 + |
0e1de5d6 ES |
1712 | (0x200 * (nesdev->mac_index & 1))); |
1713 | if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G) { | |
1714 | u32temp |= 0x00200000; | |
1715 | nes_write_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 + | |
1716 | (0x200 * (nesdev->mac_index & 1)), u32temp); | |
1717 | } | |
1718 | ||
3c2d774c | 1719 | u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 + |
0e1de5d6 ES |
1720 | (0x200 * (nesdev->mac_index & 1))); |
1721 | ||
3c2d774c | 1722 | if ((u32temp&0x0f1f0000) == 0x0f0f0000) { |
0e1de5d6 | 1723 | if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_IRIS) { |
3c2d774c | 1724 | nes_init_phy(nesdev); |
0e1de5d6 | 1725 | nes_read_10G_phy_reg(nesdev, nesdev->nesadapter->phy_index[nesdev->mac_index], 1, 1); |
3c2d774c GS |
1726 | temp_phy_data = (u16)nes_read_indexed(nesdev, |
1727 | NES_IDX_MAC_MDIO_CONTROL); | |
1728 | u32temp = 20; | |
1729 | do { | |
0e1de5d6 | 1730 | nes_read_10G_phy_reg(nesdev, nesdev->nesadapter->phy_index[nesdev->mac_index], 1, 1); |
3c2d774c GS |
1731 | phy_data = (u16)nes_read_indexed(nesdev, |
1732 | NES_IDX_MAC_MDIO_CONTROL); | |
1733 | if ((phy_data == temp_phy_data) || (!(--u32temp))) | |
1734 | break; | |
1735 | temp_phy_data = phy_data; | |
1736 | } while (1); | |
1737 | if (phy_data & 4) { | |
1738 | nes_debug(NES_DBG_INIT, "The Link is UP!!.\n"); | |
1739 | nesvnic->linkup = 1; | |
1740 | } else { | |
1741 | nes_debug(NES_DBG_INIT, "The Link is DOWN!!.\n"); | |
1742 | } | |
1743 | } else { | |
1744 | nes_debug(NES_DBG_INIT, "The Link is UP!!.\n"); | |
1745 | nesvnic->linkup = 1; | |
1746 | } | |
0e1de5d6 ES |
1747 | } else if (nesdev->nesadapter->phy_type[nesdev->mac_index] == NES_PHY_TYPE_PUMA_1G) { |
1748 | nes_debug(NES_DBG_INIT, "mac_index=%d, logical_port=%d, u32temp=0x%04X, PCI_FUNC=%d\n", | |
1749 | nesdev->mac_index, nesvnic->logical_port, u32temp, PCI_FUNC(nesdev->pcidev->devfn)); | |
1750 | if (((nesdev->mac_index < 2) && ((u32temp&0x01010000) == 0x01010000)) || | |
1751 | ((nesdev->mac_index > 1) && ((u32temp&0x02020000) == 0x02020000))) { | |
1752 | nes_debug(NES_DBG_INIT, "The Link is UP!!.\n"); | |
1753 | nesvnic->linkup = 1; | |
1754 | } | |
3c2d774c | 1755 | } |
3c2d774c | 1756 | /* clear the MAC interrupt status, assumes direct logical to physical mapping */ |
11e0704b | 1757 | u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index)); |
3c2d774c | 1758 | nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp); |
11e0704b | 1759 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp); |
3c2d774c | 1760 | |
11e0704b | 1761 | if (nesdev->nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_IRIS) |
3c2d774c GS |
1762 | nes_init_phy(nesdev); |
1763 | ||
3c2d774c GS |
1764 | } |
1765 | ||
1766 | return netdev; | |
1767 | } | |
1768 | ||
1769 | ||
1770 | /** | |
1771 | * nes_netdev_destroy - destroy network device structure | |
1772 | */ | |
1773 | void nes_netdev_destroy(struct net_device *netdev) | |
1774 | { | |
1775 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1776 | ||
1777 | /* make sure 'stop' method is called by Linux stack */ | |
1778 | /* nes_netdev_stop(netdev); */ | |
1779 | ||
1780 | list_del(&nesvnic->list); | |
1781 | ||
1782 | if (nesvnic->of_device_registered) { | |
1783 | nes_destroy_ofa_device(nesvnic->nesibdev); | |
1784 | } | |
1785 | ||
1786 | free_netdev(netdev); | |
1787 | } | |
1788 | ||
1789 | ||
1790 | /** | |
1791 | * nes_nic_cm_xmit -- CM calls this to send out pkts | |
1792 | */ | |
1793 | int nes_nic_cm_xmit(struct sk_buff *skb, struct net_device *netdev) | |
1794 | { | |
1795 | int ret; | |
1796 | ||
1797 | skb->dev = netdev; | |
1798 | ret = dev_queue_xmit(skb); | |
1799 | if (ret) { | |
1800 | nes_debug(NES_DBG_CM, "Bad return code from dev_queue_xmit %d\n", ret); | |
1801 | } | |
1802 | ||
1803 | return ret; | |
1804 | } |