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3c2d774c | 1 | /* |
fa6c87d5 | 2 | * Copyright (c) 2006 - 2009 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 | ||
51 | static 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 | ||
58 | static 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 | ||
63 | static 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 | ||
67 | static 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 | ||
71 | static struct nic_qp_map nic_qp_mapping_4[] = { | |
72 | {28,8,0,0},{32,12,0,0} | |
73 | }; | |
74 | ||
75 | static struct nic_qp_map nic_qp_mapping_5[] = { | |
76 | {29,9,1,0},{33,13,1,0} | |
77 | }; | |
78 | ||
79 | static struct nic_qp_map nic_qp_mapping_6[] = { | |
80 | {30,10,2,0},{34,14,2,0} | |
81 | }; | |
82 | ||
83 | static struct nic_qp_map nic_qp_mapping_7[] = { | |
84 | {31,11,3,0},{35,15,3,0} | |
85 | }; | |
86 | ||
87 | static 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 | ||
92 | static const u32 default_msg = NETIF_MSG_DRV | NETIF_MSG_PROBE | NETIF_MSG_LINK | |
93 | | NETIF_MSG_IFUP | NETIF_MSG_IFDOWN; | |
94 | static int debug = -1; | |
7e36d3d7 | 95 | static int nics_per_function = 1; |
3c2d774c | 96 | |
3c2d774c GS |
97 | /** |
98 | * nes_netdev_poll | |
99 | */ | |
100 | static 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 | */ | |
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 | } | |
cd6860eb FL |
235 | |
236 | if (nesvnic->of_device_registered) { | |
237 | nesdev->iw_status = 1; | |
238 | nesdev->nesadapter->send_term_ok = 1; | |
239 | nes_port_ibevent(nesvnic); | |
240 | } | |
241 | ||
3c2d774c GS |
242 | if (first_nesvnic->linkup) { |
243 | /* Enable network packets */ | |
244 | nesvnic->linkup = 1; | |
245 | netif_start_queue(netdev); | |
246 | netif_carrier_on(netdev); | |
247 | } | |
248 | napi_enable(&nesvnic->napi); | |
249 | nesvnic->netdev_open = 1; | |
250 | ||
251 | return 0; | |
252 | } | |
253 | ||
254 | ||
255 | /** | |
256 | * nes_netdev_stop | |
257 | */ | |
258 | static int nes_netdev_stop(struct net_device *netdev) | |
259 | { | |
260 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
261 | struct nes_device *nesdev = nesvnic->nesdev; | |
262 | u32 nic_active_mask; | |
263 | u32 nic_active; | |
11e0704b GS |
264 | struct nes_vnic *first_nesvnic = NULL; |
265 | struct list_head *list_pos, *list_temp; | |
3c2d774c GS |
266 | |
267 | nes_debug(NES_DBG_SHUTDOWN, "nesvnic=%p, nesdev=%p, netdev=%p %s\n", | |
268 | nesvnic, nesdev, netdev, netdev->name); | |
269 | if (nesvnic->netdev_open == 0) | |
270 | return 0; | |
271 | ||
272 | if (netif_msg_ifdown(nesvnic)) | |
273 | printk(KERN_INFO PFX "%s: disabling interface\n", netdev->name); | |
52106bd2 | 274 | netif_carrier_off(netdev); |
3c2d774c GS |
275 | |
276 | /* Disable network packets */ | |
277 | napi_disable(&nesvnic->napi); | |
278 | netif_stop_queue(netdev); | |
11e0704b GS |
279 | list_for_each_safe(list_pos, list_temp, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]) { |
280 | first_nesvnic = container_of(list_pos, struct nes_vnic, list); | |
281 | if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic)) | |
282 | break; | |
283 | } | |
284 | ||
068e80de CT |
285 | if ((first_nesvnic->netdev_open == 1) && (first_nesvnic != nesvnic) && |
286 | (PCI_FUNC(first_nesvnic->nesdev->pcidev->devfn) != | |
287 | PCI_FUNC(nesvnic->nesdev->pcidev->devfn))) { | |
288 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+ | |
289 | (0x200*nesdev->mac_index), 0xffffffff); | |
290 | nes_write_indexed(first_nesvnic->nesdev, | |
291 | NES_IDX_MAC_INT_MASK+ | |
292 | (0x200*first_nesvnic->nesdev->mac_index), | |
293 | ~(NES_MAC_INT_LINK_STAT_CHG | NES_MAC_INT_XGMII_EXT | | |
294 | NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR)); | |
295 | } else { | |
11e0704b | 296 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_MASK+(0x200*nesdev->mac_index), 0xffffffff); |
3c2d774c GS |
297 | } |
298 | ||
299 | nic_active_mask = ~((u32)(1 << nesvnic->nic_index)); | |
300 | nes_write_indexed(nesdev, NES_IDX_PERFECT_FILTER_HIGH+ | |
301 | (nesvnic->perfect_filter_index*8), 0); | |
302 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_ACTIVE); | |
303 | nic_active &= nic_active_mask; | |
304 | nes_write_indexed(nesdev, NES_IDX_NIC_ACTIVE, nic_active); | |
305 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
306 | nic_active &= nic_active_mask; | |
307 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
308 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE); | |
309 | nic_active &= nic_active_mask; | |
310 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ENABLE, nic_active); | |
311 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
312 | nic_active &= nic_active_mask; | |
313 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
314 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON); | |
315 | nic_active &= nic_active_mask; | |
316 | nes_write_indexed(nesdev, NES_IDX_NIC_BROADCAST_ON, nic_active); | |
317 | ||
318 | ||
319 | if (nesvnic->of_device_registered) { | |
cd6860eb FL |
320 | nesdev->nesadapter->send_term_ok = 0; |
321 | nesdev->iw_status = 0; | |
322 | nes_port_ibevent(nesvnic); | |
3c2d774c GS |
323 | } |
324 | nes_destroy_nic_qp(nesvnic); | |
325 | ||
326 | nesvnic->netdev_open = 0; | |
327 | ||
328 | return 0; | |
329 | } | |
330 | ||
331 | ||
332 | /** | |
333 | * nes_nic_send | |
334 | */ | |
335 | static int nes_nic_send(struct sk_buff *skb, struct net_device *netdev) | |
336 | { | |
337 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
338 | struct nes_device *nesdev = nesvnic->nesdev; | |
339 | struct nes_hw_nic *nesnic = &nesvnic->nic; | |
340 | struct nes_hw_nic_sq_wqe *nic_sqe; | |
341 | struct tcphdr *tcph; | |
342 | __le16 *wqe_fragment_length; | |
343 | u32 wqe_misc; | |
344 | u16 wqe_fragment_index = 1; /* first fragment (0) is used by copy buffer */ | |
345 | u16 skb_fragment_index; | |
346 | dma_addr_t bus_address; | |
347 | ||
348 | nic_sqe = &nesnic->sq_vbase[nesnic->sq_head]; | |
349 | wqe_fragment_length = (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX]; | |
350 | ||
351 | /* setup the VLAN tag if present */ | |
352 | if (vlan_tx_tag_present(skb)) { | |
353 | nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n", | |
354 | netdev->name, vlan_tx_tag_get(skb)); | |
355 | wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE; | |
356 | wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb); | |
357 | } else | |
358 | wqe_misc = 0; | |
359 | ||
360 | /* bump past the vlan tag */ | |
361 | wqe_fragment_length++; | |
362 | /* wqe_fragment_address = (u64 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_FRAG0_LOW_IDX]; */ | |
363 | ||
364 | if (skb->ip_summed == CHECKSUM_PARTIAL) { | |
365 | tcph = tcp_hdr(skb); | |
366 | if (1) { | |
367 | if (skb_is_gso(skb)) { | |
368 | /* nes_debug(NES_DBG_NIC_TX, "%s: TSO request... seg size = %u\n", | |
369 | netdev->name, skb_is_gso(skb)); */ | |
370 | wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE | | |
371 | NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb); | |
372 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX, | |
373 | ((u32)tcph->doff) | | |
374 | (((u32)(((unsigned char *)tcph) - skb->data)) << 4)); | |
375 | } else { | |
376 | wqe_misc |= NES_NIC_SQ_WQE_COMPLETION; | |
377 | } | |
378 | } | |
379 | } else { /* CHECKSUM_HW */ | |
380 | wqe_misc |= NES_NIC_SQ_WQE_DISABLE_CHKSUM | NES_NIC_SQ_WQE_COMPLETION; | |
381 | } | |
382 | ||
383 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX, | |
384 | skb->len); | |
385 | memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer, | |
386 | skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), skb_headlen(skb))); | |
387 | wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE), | |
388 | skb_headlen(skb))); | |
389 | wqe_fragment_length[1] = 0; | |
390 | if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) { | |
391 | if ((skb_shinfo(skb)->nr_frags + 1) > 4) { | |
392 | nes_debug(NES_DBG_NIC_TX, "%s: Packet with %u fragments not sent, skb_headlen=%u\n", | |
393 | netdev->name, skb_shinfo(skb)->nr_frags + 2, skb_headlen(skb)); | |
394 | kfree_skb(skb); | |
395 | nesvnic->tx_sw_dropped++; | |
396 | return NETDEV_TX_LOCKED; | |
397 | } | |
398 | set_bit(nesnic->sq_head, nesnic->first_frag_overflow); | |
399 | bus_address = pci_map_single(nesdev->pcidev, skb->data + NES_FIRST_FRAG_SIZE, | |
400 | skb_headlen(skb) - NES_FIRST_FRAG_SIZE, PCI_DMA_TODEVICE); | |
401 | wqe_fragment_length[wqe_fragment_index++] = | |
402 | cpu_to_le16(skb_headlen(skb) - NES_FIRST_FRAG_SIZE); | |
403 | wqe_fragment_length[wqe_fragment_index] = 0; | |
404 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX, | |
405 | ((u64)(bus_address))); | |
406 | nesnic->tx_skb[nesnic->sq_head] = skb; | |
407 | } | |
408 | ||
409 | if (skb_headlen(skb) == skb->len) { | |
410 | if (skb_headlen(skb) <= NES_FIRST_FRAG_SIZE) { | |
411 | nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_2_1_IDX] = 0; | |
2869975c | 412 | nesnic->tx_skb[nesnic->sq_head] = skb; |
3c2d774c GS |
413 | } |
414 | } else { | |
415 | /* Deal with Fragments */ | |
416 | nesnic->tx_skb[nesnic->sq_head] = skb; | |
417 | for (skb_fragment_index = 0; skb_fragment_index < skb_shinfo(skb)->nr_frags; | |
418 | skb_fragment_index++) { | |
419 | bus_address = pci_map_page( nesdev->pcidev, | |
420 | skb_shinfo(skb)->frags[skb_fragment_index].page, | |
421 | skb_shinfo(skb)->frags[skb_fragment_index].page_offset, | |
422 | skb_shinfo(skb)->frags[skb_fragment_index].size, | |
423 | PCI_DMA_TODEVICE); | |
424 | wqe_fragment_length[wqe_fragment_index] = | |
425 | cpu_to_le16(skb_shinfo(skb)->frags[skb_fragment_index].size); | |
426 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index), | |
427 | bus_address); | |
428 | wqe_fragment_index++; | |
429 | if (wqe_fragment_index < 5) | |
430 | wqe_fragment_length[wqe_fragment_index] = 0; | |
431 | } | |
432 | } | |
433 | ||
434 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, wqe_misc); | |
435 | nesnic->sq_head++; | |
436 | nesnic->sq_head &= nesnic->sq_size - 1; | |
437 | ||
438 | return NETDEV_TX_OK; | |
439 | } | |
440 | ||
441 | ||
442 | /** | |
443 | * nes_netdev_start_xmit | |
444 | */ | |
445 | static int nes_netdev_start_xmit(struct sk_buff *skb, struct net_device *netdev) | |
446 | { | |
447 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
448 | struct nes_device *nesdev = nesvnic->nesdev; | |
449 | struct nes_hw_nic *nesnic = &nesvnic->nic; | |
450 | struct nes_hw_nic_sq_wqe *nic_sqe; | |
451 | struct tcphdr *tcph; | |
452 | /* struct udphdr *udph; */ | |
a06fd26d | 453 | #define NES_MAX_TSO_FRAGS MAX_SKB_FRAGS |
3c2d774c GS |
454 | /* 64K segment plus overflow on each side */ |
455 | dma_addr_t tso_bus_address[NES_MAX_TSO_FRAGS]; | |
456 | dma_addr_t bus_address; | |
457 | u32 tso_frag_index; | |
458 | u32 tso_frag_count; | |
459 | u32 tso_wqe_length; | |
460 | u32 curr_tcp_seq; | |
461 | u32 wqe_count=1; | |
462 | u32 send_rc; | |
463 | struct iphdr *iph; | |
3c2d774c GS |
464 | __le16 *wqe_fragment_length; |
465 | u32 nr_frags; | |
466 | u32 original_first_length; | |
7495ab68 | 467 | /* u64 *wqe_fragment_address; */ |
3c2d774c GS |
468 | /* first fragment (0) is used by copy buffer */ |
469 | u16 wqe_fragment_index=1; | |
470 | u16 hoffset; | |
471 | u16 nhoffset; | |
472 | u16 wqes_needed; | |
473 | u16 wqes_available; | |
3c2d774c GS |
474 | u32 wqe_misc; |
475 | ||
7495ab68 GS |
476 | /* |
477 | * nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u," | |
478 | * " (%u frags), tso_size=%u\n", | |
479 | * netdev->name, skb->len, skb_headlen(skb), | |
480 | * skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); | |
481 | */ | |
3c2d774c GS |
482 | |
483 | if (!netif_carrier_ok(netdev)) | |
484 | return NETDEV_TX_OK; | |
485 | ||
486 | if (netif_queue_stopped(netdev)) | |
487 | return NETDEV_TX_BUSY; | |
488 | ||
3c2d774c GS |
489 | /* Check if SQ is full */ |
490 | if ((((nesnic->sq_tail+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) == 1) { | |
491 | if (!netif_queue_stopped(netdev)) { | |
492 | netif_stop_queue(netdev); | |
493 | barrier(); | |
494 | if ((((((volatile u16)nesnic->sq_tail)+(nesnic->sq_size*2))-nesnic->sq_head) & (nesnic->sq_size - 1)) != 1) { | |
495 | netif_start_queue(netdev); | |
496 | goto sq_no_longer_full; | |
497 | } | |
498 | } | |
499 | nesvnic->sq_full++; | |
3c2d774c GS |
500 | return NETDEV_TX_BUSY; |
501 | } | |
502 | ||
503 | sq_no_longer_full: | |
504 | nr_frags = skb_shinfo(skb)->nr_frags; | |
505 | if (skb_headlen(skb) > NES_FIRST_FRAG_SIZE) { | |
506 | nr_frags++; | |
507 | } | |
508 | /* Check if too many fragments */ | |
509 | if (unlikely((nr_frags > 4))) { | |
510 | if (skb_is_gso(skb)) { | |
511 | nesvnic->segmented_tso_requests++; | |
512 | nesvnic->tso_requests++; | |
3c2d774c GS |
513 | /* Basically 4 fragments available per WQE with extended fragments */ |
514 | wqes_needed = nr_frags >> 2; | |
515 | wqes_needed += (nr_frags&3)?1:0; | |
516 | wqes_available = (((nesnic->sq_tail+nesnic->sq_size)-nesnic->sq_head) - 1) & | |
517 | (nesnic->sq_size - 1); | |
518 | ||
519 | if (unlikely(wqes_needed > wqes_available)) { | |
520 | if (!netif_queue_stopped(netdev)) { | |
521 | netif_stop_queue(netdev); | |
522 | barrier(); | |
523 | wqes_available = (((((volatile u16)nesnic->sq_tail)+nesnic->sq_size)-nesnic->sq_head) - 1) & | |
524 | (nesnic->sq_size - 1); | |
525 | if (wqes_needed <= wqes_available) { | |
526 | netif_start_queue(netdev); | |
527 | goto tso_sq_no_longer_full; | |
528 | } | |
529 | } | |
530 | nesvnic->sq_full++; | |
3c2d774c GS |
531 | nes_debug(NES_DBG_NIC_TX, "%s: HNIC SQ full- TSO request has too many frags!\n", |
532 | netdev->name); | |
533 | return NETDEV_TX_BUSY; | |
534 | } | |
535 | tso_sq_no_longer_full: | |
536 | /* Map all the buffers */ | |
537 | for (tso_frag_count=0; tso_frag_count < skb_shinfo(skb)->nr_frags; | |
538 | tso_frag_count++) { | |
539 | tso_bus_address[tso_frag_count] = pci_map_page( nesdev->pcidev, | |
540 | skb_shinfo(skb)->frags[tso_frag_count].page, | |
541 | skb_shinfo(skb)->frags[tso_frag_count].page_offset, | |
542 | skb_shinfo(skb)->frags[tso_frag_count].size, | |
543 | PCI_DMA_TODEVICE); | |
544 | } | |
545 | ||
546 | tso_frag_index = 0; | |
547 | curr_tcp_seq = ntohl(tcp_hdr(skb)->seq); | |
548 | hoffset = skb_transport_header(skb) - skb->data; | |
549 | nhoffset = skb_network_header(skb) - skb->data; | |
550 | original_first_length = hoffset + ((((struct tcphdr *)skb_transport_header(skb))->doff)<<2); | |
551 | ||
552 | for (wqe_count=0; wqe_count<((u32)wqes_needed); wqe_count++) { | |
553 | tso_wqe_length = 0; | |
554 | nic_sqe = &nesnic->sq_vbase[nesnic->sq_head]; | |
555 | wqe_fragment_length = | |
556 | (__le16 *)&nic_sqe->wqe_words[NES_NIC_SQ_WQE_LENGTH_0_TAG_IDX]; | |
557 | /* setup the VLAN tag if present */ | |
558 | if (vlan_tx_tag_present(skb)) { | |
559 | nes_debug(NES_DBG_NIC_TX, "%s: VLAN packet to send... VLAN = %08X\n", | |
560 | netdev->name, vlan_tx_tag_get(skb) ); | |
561 | wqe_misc = NES_NIC_SQ_WQE_TAGVALUE_ENABLE; | |
562 | wqe_fragment_length[0] = (__force __le16) vlan_tx_tag_get(skb); | |
563 | } else | |
564 | wqe_misc = 0; | |
565 | ||
566 | /* bump past the vlan tag */ | |
567 | wqe_fragment_length++; | |
568 | ||
569 | /* Assumes header totally fits in allocated buffer and is in first fragment */ | |
570 | if (original_first_length > NES_FIRST_FRAG_SIZE) { | |
571 | nes_debug(NES_DBG_NIC_TX, "ERROR: SKB header too big, headlen=%u, FIRST_FRAG_SIZE=%u\n", | |
572 | original_first_length, NES_FIRST_FRAG_SIZE); | |
573 | nes_debug(NES_DBG_NIC_TX, "%s Request to tx NIC packet length %u, headlen %u," | |
574 | " (%u frags), tso_size=%u\n", | |
575 | netdev->name, | |
576 | skb->len, skb_headlen(skb), | |
577 | skb_shinfo(skb)->nr_frags, skb_is_gso(skb)); | |
578 | } | |
579 | memcpy(&nesnic->first_frag_vbase[nesnic->sq_head].buffer, | |
580 | skb->data, min(((unsigned int)NES_FIRST_FRAG_SIZE), | |
581 | original_first_length)); | |
582 | iph = (struct iphdr *) | |
583 | (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[nhoffset]); | |
584 | tcph = (struct tcphdr *) | |
585 | (&nesnic->first_frag_vbase[nesnic->sq_head].buffer[hoffset]); | |
586 | if ((wqe_count+1)!=(u32)wqes_needed) { | |
587 | tcph->fin = 0; | |
588 | tcph->psh = 0; | |
589 | tcph->rst = 0; | |
590 | tcph->urg = 0; | |
591 | } | |
592 | if (wqe_count) { | |
593 | tcph->syn = 0; | |
594 | } | |
595 | tcph->seq = htonl(curr_tcp_seq); | |
596 | wqe_fragment_length[0] = cpu_to_le16(min(((unsigned int)NES_FIRST_FRAG_SIZE), | |
597 | original_first_length)); | |
598 | ||
599 | wqe_fragment_index = 1; | |
600 | if ((wqe_count==0) && (skb_headlen(skb) > original_first_length)) { | |
601 | set_bit(nesnic->sq_head, nesnic->first_frag_overflow); | |
602 | bus_address = pci_map_single(nesdev->pcidev, skb->data + original_first_length, | |
603 | skb_headlen(skb) - original_first_length, PCI_DMA_TODEVICE); | |
604 | wqe_fragment_length[wqe_fragment_index++] = | |
605 | cpu_to_le16(skb_headlen(skb) - original_first_length); | |
606 | wqe_fragment_length[wqe_fragment_index] = 0; | |
607 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG1_LOW_IDX, | |
608 | bus_address); | |
168ac824 CT |
609 | tso_wqe_length += skb_headlen(skb) - |
610 | original_first_length; | |
3c2d774c GS |
611 | } |
612 | while (wqe_fragment_index < 5) { | |
613 | wqe_fragment_length[wqe_fragment_index] = | |
614 | cpu_to_le16(skb_shinfo(skb)->frags[tso_frag_index].size); | |
615 | set_wqe_64bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_FRAG0_LOW_IDX+(2*wqe_fragment_index), | |
616 | (u64)tso_bus_address[tso_frag_index]); | |
617 | wqe_fragment_index++; | |
618 | tso_wqe_length += skb_shinfo(skb)->frags[tso_frag_index++].size; | |
619 | if (wqe_fragment_index < 5) | |
620 | wqe_fragment_length[wqe_fragment_index] = 0; | |
621 | if (tso_frag_index == tso_frag_count) | |
622 | break; | |
623 | } | |
624 | if ((wqe_count+1) == (u32)wqes_needed) { | |
625 | nesnic->tx_skb[nesnic->sq_head] = skb; | |
626 | } else { | |
627 | nesnic->tx_skb[nesnic->sq_head] = NULL; | |
628 | } | |
629 | wqe_misc |= NES_NIC_SQ_WQE_COMPLETION | (u16)skb_is_gso(skb); | |
630 | if ((tso_wqe_length + original_first_length) > skb_is_gso(skb)) { | |
631 | wqe_misc |= NES_NIC_SQ_WQE_LSO_ENABLE; | |
632 | } else { | |
633 | iph->tot_len = htons(tso_wqe_length + original_first_length - nhoffset); | |
634 | } | |
635 | ||
636 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_MISC_IDX, | |
637 | wqe_misc); | |
638 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_LSO_INFO_IDX, | |
639 | ((u32)tcph->doff) | (((u32)hoffset) << 4)); | |
640 | ||
641 | set_wqe_32bit_value(nic_sqe->wqe_words, NES_NIC_SQ_WQE_TOTAL_LENGTH_IDX, | |
642 | tso_wqe_length + original_first_length); | |
643 | curr_tcp_seq += tso_wqe_length; | |
644 | nesnic->sq_head++; | |
645 | nesnic->sq_head &= nesnic->sq_size-1; | |
646 | } | |
647 | } else { | |
648 | nesvnic->linearized_skbs++; | |
649 | hoffset = skb_transport_header(skb) - skb->data; | |
650 | nhoffset = skb_network_header(skb) - skb->data; | |
651 | skb_linearize(skb); | |
652 | skb_set_transport_header(skb, hoffset); | |
653 | skb_set_network_header(skb, nhoffset); | |
654 | send_rc = nes_nic_send(skb, netdev); | |
2869975c | 655 | if (send_rc != NETDEV_TX_OK) |
3c2d774c | 656 | return NETDEV_TX_OK; |
3c2d774c GS |
657 | } |
658 | } else { | |
659 | send_rc = nes_nic_send(skb, netdev); | |
2869975c | 660 | if (send_rc != NETDEV_TX_OK) |
3c2d774c | 661 | return NETDEV_TX_OK; |
3c2d774c GS |
662 | } |
663 | ||
664 | barrier(); | |
665 | ||
666 | if (wqe_count) | |
667 | nes_write32(nesdev->regs+NES_WQE_ALLOC, | |
668 | (wqe_count << 24) | (1 << 23) | nesvnic->nic.qp_id); | |
669 | ||
670 | netdev->trans_start = jiffies; | |
3c2d774c GS |
671 | |
672 | return NETDEV_TX_OK; | |
673 | } | |
674 | ||
675 | ||
676 | /** | |
677 | * nes_netdev_get_stats | |
678 | */ | |
679 | static struct net_device_stats *nes_netdev_get_stats(struct net_device *netdev) | |
680 | { | |
681 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
682 | struct nes_device *nesdev = nesvnic->nesdev; | |
683 | u64 u64temp; | |
684 | u32 u32temp; | |
685 | ||
686 | u32temp = nes_read_indexed(nesdev, | |
687 | NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + (nesvnic->nic_index*0x200)); | |
688 | nesvnic->netstats.rx_dropped += u32temp; | |
689 | nesvnic->endnode_nstat_rx_discard += u32temp; | |
690 | ||
691 | u64temp = (u64)nes_read_indexed(nesdev, | |
692 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + (nesvnic->nic_index*0x200)); | |
693 | u64temp += ((u64)nes_read_indexed(nesdev, | |
694 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32; | |
695 | ||
696 | nesvnic->endnode_nstat_rx_octets += u64temp; | |
697 | nesvnic->netstats.rx_bytes += u64temp; | |
698 | ||
699 | u64temp = (u64)nes_read_indexed(nesdev, | |
700 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + (nesvnic->nic_index*0x200)); | |
701 | u64temp += ((u64)nes_read_indexed(nesdev, | |
702 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32; | |
703 | ||
704 | nesvnic->endnode_nstat_rx_frames += u64temp; | |
705 | nesvnic->netstats.rx_packets += u64temp; | |
706 | ||
707 | u64temp = (u64)nes_read_indexed(nesdev, | |
708 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + (nesvnic->nic_index*0x200)); | |
709 | u64temp += ((u64)nes_read_indexed(nesdev, | |
710 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + (nesvnic->nic_index*0x200))) << 32; | |
711 | ||
712 | nesvnic->endnode_nstat_tx_octets += u64temp; | |
713 | nesvnic->netstats.tx_bytes += u64temp; | |
714 | ||
715 | u64temp = (u64)nes_read_indexed(nesdev, | |
716 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + (nesvnic->nic_index*0x200)); | |
717 | u64temp += ((u64)nes_read_indexed(nesdev, | |
718 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + (nesvnic->nic_index*0x200))) << 32; | |
719 | ||
720 | nesvnic->endnode_nstat_tx_frames += u64temp; | |
721 | nesvnic->netstats.tx_packets += u64temp; | |
722 | ||
723 | u32temp = nes_read_indexed(nesdev, | |
724 | NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
725 | nesvnic->netstats.rx_dropped += u32temp; | |
726 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
727 | nesvnic->nesdev->mac_rx_short_frames += u32temp; | |
728 | ||
729 | u32temp = nes_read_indexed(nesdev, | |
730 | NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
731 | nesvnic->netstats.rx_dropped += u32temp; | |
732 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
733 | nesvnic->nesdev->mac_rx_oversized_frames += u32temp; | |
734 | ||
735 | u32temp = nes_read_indexed(nesdev, | |
736 | NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
737 | nesvnic->netstats.rx_dropped += u32temp; | |
738 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
739 | nesvnic->nesdev->mac_rx_jabber_frames += u32temp; | |
740 | ||
741 | u32temp = nes_read_indexed(nesdev, | |
742 | NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
743 | nesvnic->netstats.rx_dropped += u32temp; | |
744 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
745 | nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp; | |
746 | ||
747 | u32temp = nes_read_indexed(nesdev, | |
748 | NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
749 | nesvnic->netstats.rx_length_errors += u32temp; | |
750 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
751 | ||
752 | u32temp = nes_read_indexed(nesdev, | |
753 | NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
754 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
755 | nesvnic->nesdev->mac_rx_crc_errors += u32temp; | |
756 | nesvnic->netstats.rx_crc_errors += u32temp; | |
757 | ||
758 | u32temp = nes_read_indexed(nesdev, | |
759 | NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200)); | |
760 | nesvnic->nesdev->mac_tx_errors += u32temp; | |
761 | nesvnic->netstats.tx_errors += u32temp; | |
762 | ||
763 | return &nesvnic->netstats; | |
764 | } | |
765 | ||
766 | ||
767 | /** | |
768 | * nes_netdev_tx_timeout | |
769 | */ | |
770 | static void nes_netdev_tx_timeout(struct net_device *netdev) | |
771 | { | |
772 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
773 | ||
774 | if (netif_msg_timer(nesvnic)) | |
775 | nes_debug(NES_DBG_NIC_TX, "%s: tx timeout\n", netdev->name); | |
776 | } | |
777 | ||
778 | ||
779 | /** | |
780 | * nes_netdev_set_mac_address | |
781 | */ | |
782 | static int nes_netdev_set_mac_address(struct net_device *netdev, void *p) | |
783 | { | |
784 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
785 | struct nes_device *nesdev = nesvnic->nesdev; | |
786 | struct sockaddr *mac_addr = p; | |
787 | int i; | |
788 | u32 macaddr_low; | |
789 | u16 macaddr_high; | |
790 | ||
791 | if (!is_valid_ether_addr(mac_addr->sa_data)) | |
792 | return -EADDRNOTAVAIL; | |
793 | ||
794 | memcpy(netdev->dev_addr, mac_addr->sa_data, netdev->addr_len); | |
e174961c JB |
795 | printk(PFX "%s: Address length = %d, Address = %pM\n", |
796 | __func__, netdev->addr_len, mac_addr->sa_data); | |
7495ab68 | 797 | macaddr_high = ((u16)netdev->dev_addr[0]) << 8; |
3c2d774c | 798 | macaddr_high += (u16)netdev->dev_addr[1]; |
7495ab68 GS |
799 | macaddr_low = ((u32)netdev->dev_addr[2]) << 24; |
800 | macaddr_low += ((u32)netdev->dev_addr[3]) << 16; | |
801 | macaddr_low += ((u32)netdev->dev_addr[4]) << 8; | |
802 | macaddr_low += (u32)netdev->dev_addr[5]; | |
3c2d774c GS |
803 | |
804 | for (i = 0; i < NES_MAX_PORT_COUNT; i++) { | |
805 | if (nesvnic->qp_nic_index[i] == 0xf) { | |
806 | break; | |
807 | } | |
808 | nes_write_indexed(nesdev, | |
809 | NES_IDX_PERFECT_FILTER_LOW + (nesvnic->qp_nic_index[i] * 8), | |
810 | macaddr_low); | |
811 | nes_write_indexed(nesdev, | |
812 | NES_IDX_PERFECT_FILTER_HIGH + (nesvnic->qp_nic_index[i] * 8), | |
813 | (u32)macaddr_high | NES_MAC_ADDR_VALID | | |
814 | ((((u32)nesvnic->nic_index) << 16))); | |
815 | } | |
816 | return 0; | |
817 | } | |
818 | ||
819 | ||
fbf219f1 JP |
820 | static void set_allmulti(struct nes_device *nesdev, u32 nic_active_bit) |
821 | { | |
822 | u32 nic_active; | |
823 | ||
824 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
825 | nic_active |= nic_active_bit; | |
826 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
827 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
828 | nic_active &= ~nic_active_bit; | |
829 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
830 | } | |
831 | ||
832 | #define get_addr(addrs, index) ((addrs) + (index) * ETH_ALEN) | |
833 | ||
3c2d774c GS |
834 | /** |
835 | * nes_netdev_set_multicast_list | |
836 | */ | |
1a855fbf | 837 | static void nes_netdev_set_multicast_list(struct net_device *netdev) |
3c2d774c GS |
838 | { |
839 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
840 | struct nes_device *nesdev = nesvnic->nesdev; | |
7e36d3d7 | 841 | struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; |
3c2d774c GS |
842 | u32 nic_active_bit; |
843 | u32 nic_active; | |
844 | u32 perfect_filter_register_address; | |
845 | u32 macaddr_low; | |
846 | u16 macaddr_high; | |
847 | u8 mc_all_on = 0; | |
848 | u8 mc_index; | |
849 | int mc_nic_index = -1; | |
7e36d3d7 VM |
850 | u8 pft_entries_preallocated = max(nesadapter->adapter_fcn_count * |
851 | nics_per_function, 4); | |
852 | u8 max_pft_entries_avaiable = NES_PFT_SIZE - pft_entries_preallocated; | |
853 | unsigned long flags; | |
fbf219f1 | 854 | int mc_count = netdev_mc_count(netdev); |
3c2d774c | 855 | |
7e36d3d7 | 856 | spin_lock_irqsave(&nesadapter->resource_lock, flags); |
3c2d774c GS |
857 | nic_active_bit = 1 << nesvnic->nic_index; |
858 | ||
859 | if (netdev->flags & IFF_PROMISC) { | |
860 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
861 | nic_active |= nic_active_bit; | |
862 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
863 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
864 | nic_active |= nic_active_bit; | |
865 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
866 | mc_all_on = 1; | |
7e36d3d7 | 867 | } else if ((netdev->flags & IFF_ALLMULTI) || |
3c2d774c | 868 | (nesvnic->nic_index > 3)) { |
fbf219f1 | 869 | set_allmulti(nesdev, nic_active_bit); |
3c2d774c GS |
870 | mc_all_on = 1; |
871 | } else { | |
872 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL); | |
873 | nic_active &= ~nic_active_bit; | |
874 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, nic_active); | |
875 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
876 | nic_active &= ~nic_active_bit; | |
877 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
878 | } | |
879 | ||
880 | nes_debug(NES_DBG_NIC_RX, "Number of MC entries = %d, Promiscous = %d, All Multicast = %d.\n", | |
fbf219f1 | 881 | mc_count, !!(netdev->flags & IFF_PROMISC), |
7e36d3d7 | 882 | !!(netdev->flags & IFF_ALLMULTI)); |
3c2d774c | 883 | if (!mc_all_on) { |
fbf219f1 JP |
884 | char *addrs; |
885 | int i; | |
22bedad3 | 886 | struct netdev_hw_addr *ha; |
fbf219f1 JP |
887 | |
888 | addrs = kmalloc(ETH_ALEN * mc_count, GFP_ATOMIC); | |
889 | if (!addrs) { | |
890 | set_allmulti(nesdev, nic_active_bit); | |
891 | goto unlock; | |
892 | } | |
893 | i = 0; | |
22bedad3 JP |
894 | netdev_for_each_mc_addr(ha, netdev) |
895 | memcpy(get_addr(addrs, i++), ha->addr, ETH_ALEN); | |
fbf219f1 | 896 | |
7e36d3d7 VM |
897 | perfect_filter_register_address = NES_IDX_PERFECT_FILTER_LOW + |
898 | pft_entries_preallocated * 0x8; | |
fbf219f1 JP |
899 | for (i = 0, mc_index = 0; mc_index < max_pft_entries_avaiable; |
900 | mc_index++) { | |
901 | while (i < mc_count && nesvnic->mcrq_mcast_filter && | |
7e36d3d7 | 902 | ((mc_nic_index = nesvnic->mcrq_mcast_filter(nesvnic, |
fbf219f1 | 903 | get_addr(addrs, i++))) == 0)); |
3c2d774c GS |
904 | if (mc_nic_index < 0) |
905 | mc_nic_index = nesvnic->nic_index; | |
7e36d3d7 VM |
906 | while (nesadapter->pft_mcast_map[mc_index] < 16 && |
907 | nesadapter->pft_mcast_map[mc_index] != | |
908 | nesvnic->nic_index && | |
909 | mc_index < max_pft_entries_avaiable) { | |
910 | nes_debug(NES_DBG_NIC_RX, | |
911 | "mc_index=%d skipping nic_index=%d,\ | |
912 | used for=%d \n", mc_index, | |
913 | nesvnic->nic_index, | |
914 | nesadapter->pft_mcast_map[mc_index]); | |
915 | mc_index++; | |
916 | } | |
917 | if (mc_index >= max_pft_entries_avaiable) | |
918 | break; | |
fbf219f1 JP |
919 | if (i < mc_count) { |
920 | char *addr = get_addr(addrs, i++); | |
921 | ||
e174961c | 922 | nes_debug(NES_DBG_NIC_RX, "Assigning MC Address %pM to register 0x%04X nic_idx=%d\n", |
fbf219f1 | 923 | addr, |
2bd01c5d RD |
924 | perfect_filter_register_address+(mc_index * 8), |
925 | mc_nic_index); | |
fbf219f1 JP |
926 | macaddr_high = ((u16) addr[0]) << 8; |
927 | macaddr_high += (u16) addr[1]; | |
928 | macaddr_low = ((u32) addr[2]) << 24; | |
929 | macaddr_low += ((u32) addr[3]) << 16; | |
930 | macaddr_low += ((u32) addr[4]) << 8; | |
931 | macaddr_low += (u32) addr[5]; | |
3c2d774c GS |
932 | nes_write_indexed(nesdev, |
933 | perfect_filter_register_address+(mc_index * 8), | |
934 | macaddr_low); | |
935 | nes_write_indexed(nesdev, | |
936 | perfect_filter_register_address+4+(mc_index * 8), | |
937 | (u32)macaddr_high | NES_MAC_ADDR_VALID | | |
938 | ((((u32)(1<<mc_nic_index)) << 16))); | |
7e36d3d7 VM |
939 | nesadapter->pft_mcast_map[mc_index] = |
940 | nesvnic->nic_index; | |
3c2d774c GS |
941 | } else { |
942 | nes_debug(NES_DBG_NIC_RX, "Clearing MC Address at register 0x%04X\n", | |
943 | perfect_filter_register_address+(mc_index * 8)); | |
944 | nes_write_indexed(nesdev, | |
945 | perfect_filter_register_address+4+(mc_index * 8), | |
946 | 0); | |
7e36d3d7 | 947 | nesadapter->pft_mcast_map[mc_index] = 255; |
3c2d774c GS |
948 | } |
949 | } | |
fbf219f1 | 950 | kfree(addrs); |
7e36d3d7 | 951 | /* PFT is not large enough */ |
fbf219f1 JP |
952 | if (i < mc_count) |
953 | set_allmulti(nesdev, nic_active_bit); | |
3c2d774c | 954 | } |
7e36d3d7 | 955 | |
fbf219f1 | 956 | unlock: |
7e36d3d7 | 957 | spin_unlock_irqrestore(&nesadapter->resource_lock, flags); |
3c2d774c GS |
958 | } |
959 | ||
960 | ||
961 | /** | |
962 | * nes_netdev_change_mtu | |
963 | */ | |
7495ab68 | 964 | static int nes_netdev_change_mtu(struct net_device *netdev, int new_mtu) |
3c2d774c GS |
965 | { |
966 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
7495ab68 GS |
967 | struct nes_device *nesdev = nesvnic->nesdev; |
968 | int ret = 0; | |
969 | u8 jumbomode = 0; | |
e0e31afb BS |
970 | u32 nic_active; |
971 | u32 nic_active_bit; | |
972 | u32 uc_all_active; | |
973 | u32 mc_all_active; | |
3c2d774c | 974 | |
7495ab68 | 975 | if ((new_mtu < ETH_ZLEN) || (new_mtu > max_mtu)) |
3c2d774c GS |
976 | return -EINVAL; |
977 | ||
7495ab68 | 978 | netdev->mtu = new_mtu; |
edd2fd64 | 979 | nesvnic->max_frame_size = new_mtu + VLAN_ETH_HLEN; |
3c2d774c GS |
980 | |
981 | if (netdev->mtu > 1500) { | |
982 | jumbomode=1; | |
983 | } | |
7495ab68 | 984 | nes_nic_init_timer_defaults(nesdev, jumbomode); |
3c2d774c GS |
985 | |
986 | if (netif_running(netdev)) { | |
e0e31afb BS |
987 | nic_active_bit = 1 << nesvnic->nic_index; |
988 | mc_all_active = nes_read_indexed(nesdev, | |
989 | NES_IDX_NIC_MULTICAST_ALL) & nic_active_bit; | |
990 | uc_all_active = nes_read_indexed(nesdev, | |
991 | NES_IDX_NIC_UNICAST_ALL) & nic_active_bit; | |
992 | ||
3c2d774c GS |
993 | nes_netdev_stop(netdev); |
994 | nes_netdev_open(netdev); | |
e0e31afb BS |
995 | |
996 | nic_active = nes_read_indexed(nesdev, | |
997 | NES_IDX_NIC_MULTICAST_ALL); | |
998 | nic_active |= mc_all_active; | |
999 | nes_write_indexed(nesdev, NES_IDX_NIC_MULTICAST_ALL, | |
1000 | nic_active); | |
1001 | ||
1002 | nic_active = nes_read_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL); | |
1003 | nic_active |= uc_all_active; | |
1004 | nes_write_indexed(nesdev, NES_IDX_NIC_UNICAST_ALL, nic_active); | |
3c2d774c GS |
1005 | } |
1006 | ||
1007 | return ret; | |
1008 | } | |
1009 | ||
39942a02 | 1010 | |
37dab411 | 1011 | static const char nes_ethtool_stringset[][ETH_GSTRING_LEN] = { |
3c2d774c GS |
1012 | "Link Change Interrupts", |
1013 | "Linearized SKBs", | |
1014 | "T/GSO Requests", | |
1015 | "Pause Frames Sent", | |
1016 | "Pause Frames Received", | |
1017 | "Internal Routing Errors", | |
1018 | "SQ SW Dropped SKBs", | |
3c2d774c GS |
1019 | "SQ Full", |
1020 | "Segmented TSO Requests", | |
1021 | "Rx Symbol Errors", | |
1022 | "Rx Jabber Errors", | |
1023 | "Rx Oversized Frames", | |
1024 | "Rx Short Frames", | |
39942a02 FL |
1025 | "Rx Length Errors", |
1026 | "Rx CRC Errors", | |
1027 | "Rx Port Discard", | |
3c2d774c GS |
1028 | "Endnode Rx Discards", |
1029 | "Endnode Rx Octets", | |
1030 | "Endnode Rx Frames", | |
1031 | "Endnode Tx Octets", | |
1032 | "Endnode Tx Frames", | |
39942a02 | 1033 | "Tx Errors", |
3c2d774c GS |
1034 | "mh detected", |
1035 | "mh pauses", | |
1036 | "Retransmission Count", | |
1037 | "CM Connects", | |
1038 | "CM Accepts", | |
1039 | "Disconnects", | |
1040 | "Connected Events", | |
1041 | "Connect Requests", | |
1042 | "CM Rejects", | |
1043 | "ModifyQP Timeouts", | |
1044 | "CreateQPs", | |
1045 | "SW DestroyQPs", | |
1046 | "DestroyQPs", | |
1047 | "CM Closes", | |
1048 | "CM Packets Sent", | |
1049 | "CM Packets Bounced", | |
1050 | "CM Packets Created", | |
1051 | "CM Packets Rcvd", | |
1052 | "CM Packets Dropped", | |
1053 | "CM Packets Retrans", | |
1054 | "CM Listens Created", | |
1055 | "CM Listens Destroyed", | |
1056 | "CM Backlog Drops", | |
1057 | "CM Loopbacks", | |
1058 | "CM Nodes Created", | |
1059 | "CM Nodes Destroyed", | |
1060 | "CM Accel Drops", | |
1061 | "CM Resets Received", | |
39942a02 FL |
1062 | "Free 4Kpbls", |
1063 | "Free 256pbls", | |
3c2d774c | 1064 | "Timer Inits", |
37dab411 FL |
1065 | "LRO aggregated", |
1066 | "LRO flushed", | |
1067 | "LRO no_desc", | |
3c2d774c | 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 | /** | |
15f0a394 | 1101 | * nes_netdev_get_sset_count |
3c2d774c | 1102 | */ |
15f0a394 | 1103 | static int nes_netdev_get_sset_count(struct net_device *netdev, int stringset) |
3c2d774c | 1104 | { |
15f0a394 BH |
1105 | if (stringset == ETH_SS_STATS) |
1106 | return NES_ETHTOOL_STAT_COUNT; | |
1107 | else | |
1108 | return -EINVAL; | |
3c2d774c GS |
1109 | } |
1110 | ||
1111 | ||
1112 | /** | |
1113 | * nes_netdev_get_strings | |
1114 | */ | |
1115 | static void nes_netdev_get_strings(struct net_device *netdev, u32 stringset, | |
1116 | u8 *ethtool_strings) | |
1117 | { | |
1118 | if (stringset == ETH_SS_STATS) | |
1119 | memcpy(ethtool_strings, | |
1120 | &nes_ethtool_stringset, | |
1121 | sizeof(nes_ethtool_stringset)); | |
1122 | } | |
1123 | ||
1124 | ||
1125 | /** | |
1126 | * nes_netdev_get_ethtool_stats | |
1127 | */ | |
39942a02 | 1128 | |
3c2d774c GS |
1129 | static void nes_netdev_get_ethtool_stats(struct net_device *netdev, |
1130 | struct ethtool_stats *target_ethtool_stats, u64 *target_stat_values) | |
1131 | { | |
1132 | u64 u64temp; | |
1133 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1134 | struct nes_device *nesdev = nesvnic->nesdev; | |
39942a02 | 1135 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
3c2d774c GS |
1136 | u32 nic_count; |
1137 | u32 u32temp; | |
2869975c | 1138 | u32 index = 0; |
3c2d774c GS |
1139 | |
1140 | target_ethtool_stats->n_stats = NES_ETHTOOL_STAT_COUNT; | |
2869975c FL |
1141 | target_stat_values[index] = nesvnic->nesdev->link_status_interrupts; |
1142 | target_stat_values[++index] = nesvnic->linearized_skbs; | |
1143 | target_stat_values[++index] = nesvnic->tso_requests; | |
3c2d774c GS |
1144 | |
1145 | u32temp = nes_read_indexed(nesdev, | |
1146 | NES_IDX_MAC_TX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1147 | nesvnic->nesdev->mac_pause_frames_sent += u32temp; | |
2869975c | 1148 | target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_sent; |
3c2d774c GS |
1149 | |
1150 | u32temp = nes_read_indexed(nesdev, | |
1151 | NES_IDX_MAC_RX_PAUSE_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1152 | nesvnic->nesdev->mac_pause_frames_received += u32temp; | |
1153 | ||
1154 | u32temp = nes_read_indexed(nesdev, | |
1155 | NES_IDX_PORT_RX_DISCARDS + (nesvnic->nesdev->mac_index*0x40)); | |
1156 | nesvnic->nesdev->port_rx_discards += u32temp; | |
1157 | nesvnic->netstats.rx_dropped += u32temp; | |
1158 | ||
1159 | u32temp = nes_read_indexed(nesdev, | |
1160 | NES_IDX_PORT_TX_DISCARDS + (nesvnic->nesdev->mac_index*0x40)); | |
1161 | nesvnic->nesdev->port_tx_discards += u32temp; | |
1162 | nesvnic->netstats.tx_dropped += u32temp; | |
1163 | ||
39942a02 FL |
1164 | u32temp = nes_read_indexed(nesdev, |
1165 | NES_IDX_MAC_RX_SHORT_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1166 | nesvnic->netstats.rx_dropped += u32temp; | |
1167 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
1168 | nesvnic->nesdev->mac_rx_short_frames += u32temp; | |
1169 | ||
1170 | u32temp = nes_read_indexed(nesdev, | |
1171 | NES_IDX_MAC_RX_OVERSIZED_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1172 | nesvnic->netstats.rx_dropped += u32temp; | |
1173 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
1174 | nesvnic->nesdev->mac_rx_oversized_frames += u32temp; | |
1175 | ||
1176 | u32temp = nes_read_indexed(nesdev, | |
1177 | NES_IDX_MAC_RX_JABBER_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1178 | nesvnic->netstats.rx_dropped += u32temp; | |
1179 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
1180 | nesvnic->nesdev->mac_rx_jabber_frames += u32temp; | |
1181 | ||
1182 | u32temp = nes_read_indexed(nesdev, | |
1183 | NES_IDX_MAC_RX_SYMBOL_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1184 | nesvnic->netstats.rx_dropped += u32temp; | |
1185 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
1186 | nesvnic->nesdev->mac_rx_symbol_err_frames += u32temp; | |
1187 | ||
1188 | u32temp = nes_read_indexed(nesdev, | |
1189 | NES_IDX_MAC_RX_LENGTH_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1190 | nesvnic->netstats.rx_length_errors += u32temp; | |
1191 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
1192 | ||
1193 | u32temp = nes_read_indexed(nesdev, | |
1194 | NES_IDX_MAC_RX_CRC_ERR_FRAMES + (nesvnic->nesdev->mac_index*0x200)); | |
1195 | nesvnic->nesdev->mac_rx_errors += u32temp; | |
1196 | nesvnic->nesdev->mac_rx_crc_errors += u32temp; | |
1197 | nesvnic->netstats.rx_crc_errors += u32temp; | |
1198 | ||
1199 | u32temp = nes_read_indexed(nesdev, | |
1200 | NES_IDX_MAC_TX_ERRORS + (nesvnic->nesdev->mac_index*0x200)); | |
1201 | nesvnic->nesdev->mac_tx_errors += u32temp; | |
1202 | nesvnic->netstats.tx_errors += u32temp; | |
1203 | ||
3c2d774c GS |
1204 | for (nic_count = 0; nic_count < NES_MAX_PORT_COUNT; nic_count++) { |
1205 | if (nesvnic->qp_nic_index[nic_count] == 0xf) | |
1206 | break; | |
1207 | ||
1208 | u32temp = nes_read_indexed(nesdev, | |
1209 | NES_IDX_ENDNODE0_NSTAT_RX_DISCARD + | |
1210 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1211 | nesvnic->netstats.rx_dropped += u32temp; | |
1212 | nesvnic->endnode_nstat_rx_discard += u32temp; | |
1213 | ||
1214 | u64temp = (u64)nes_read_indexed(nesdev, | |
1215 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_LO + | |
1216 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1217 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1218 | NES_IDX_ENDNODE0_NSTAT_RX_OCTETS_HI + | |
1219 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1220 | ||
1221 | nesvnic->endnode_nstat_rx_octets += u64temp; | |
1222 | nesvnic->netstats.rx_bytes += u64temp; | |
1223 | ||
1224 | u64temp = (u64)nes_read_indexed(nesdev, | |
1225 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_LO + | |
1226 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1227 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1228 | NES_IDX_ENDNODE0_NSTAT_RX_FRAMES_HI + | |
1229 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1230 | ||
1231 | nesvnic->endnode_nstat_rx_frames += u64temp; | |
1232 | nesvnic->netstats.rx_packets += u64temp; | |
1233 | ||
1234 | u64temp = (u64)nes_read_indexed(nesdev, | |
1235 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_LO + | |
1236 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1237 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1238 | NES_IDX_ENDNODE0_NSTAT_TX_OCTETS_HI + | |
1239 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1240 | ||
1241 | nesvnic->endnode_nstat_tx_octets += u64temp; | |
1242 | nesvnic->netstats.tx_bytes += u64temp; | |
1243 | ||
1244 | u64temp = (u64)nes_read_indexed(nesdev, | |
1245 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_LO + | |
1246 | (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1247 | u64temp += ((u64)nes_read_indexed(nesdev, | |
1248 | NES_IDX_ENDNODE0_NSTAT_TX_FRAMES_HI + | |
1249 | (nesvnic->qp_nic_index[nic_count]*0x200))) << 32; | |
1250 | ||
1251 | nesvnic->endnode_nstat_tx_frames += u64temp; | |
1252 | nesvnic->netstats.tx_packets += u64temp; | |
1253 | ||
1254 | u32temp = nes_read_indexed(nesdev, | |
1255 | NES_IDX_IPV4_TCP_REXMITS + (nesvnic->qp_nic_index[nic_count]*0x200)); | |
1256 | nesvnic->endnode_ipv4_tcp_retransmits += u32temp; | |
1257 | } | |
1258 | ||
2869975c FL |
1259 | target_stat_values[++index] = nesvnic->nesdev->mac_pause_frames_received; |
1260 | target_stat_values[++index] = nesdev->nesadapter->nic_rx_eth_route_err; | |
1261 | target_stat_values[++index] = nesvnic->tx_sw_dropped; | |
1262 | target_stat_values[++index] = nesvnic->sq_full; | |
1263 | target_stat_values[++index] = nesvnic->segmented_tso_requests; | |
1264 | target_stat_values[++index] = nesvnic->nesdev->mac_rx_symbol_err_frames; | |
1265 | target_stat_values[++index] = nesvnic->nesdev->mac_rx_jabber_frames; | |
1266 | target_stat_values[++index] = nesvnic->nesdev->mac_rx_oversized_frames; | |
1267 | target_stat_values[++index] = nesvnic->nesdev->mac_rx_short_frames; | |
39942a02 FL |
1268 | target_stat_values[++index] = nesvnic->netstats.rx_length_errors; |
1269 | target_stat_values[++index] = nesvnic->nesdev->mac_rx_crc_errors; | |
1270 | target_stat_values[++index] = nesvnic->nesdev->port_rx_discards; | |
2869975c FL |
1271 | target_stat_values[++index] = nesvnic->endnode_nstat_rx_discard; |
1272 | target_stat_values[++index] = nesvnic->endnode_nstat_rx_octets; | |
1273 | target_stat_values[++index] = nesvnic->endnode_nstat_rx_frames; | |
1274 | target_stat_values[++index] = nesvnic->endnode_nstat_tx_octets; | |
1275 | target_stat_values[++index] = nesvnic->endnode_nstat_tx_frames; | |
39942a02 | 1276 | target_stat_values[++index] = nesvnic->nesdev->mac_tx_errors; |
2869975c FL |
1277 | target_stat_values[++index] = mh_detected; |
1278 | target_stat_values[++index] = mh_pauses_sent; | |
1279 | target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits; | |
1280 | target_stat_values[++index] = atomic_read(&cm_connects); | |
1281 | target_stat_values[++index] = atomic_read(&cm_accepts); | |
1282 | target_stat_values[++index] = atomic_read(&cm_disconnects); | |
1283 | target_stat_values[++index] = atomic_read(&cm_connecteds); | |
1284 | target_stat_values[++index] = atomic_read(&cm_connect_reqs); | |
1285 | target_stat_values[++index] = atomic_read(&cm_rejects); | |
1286 | target_stat_values[++index] = atomic_read(&mod_qp_timouts); | |
1287 | target_stat_values[++index] = atomic_read(&qps_created); | |
1288 | target_stat_values[++index] = atomic_read(&sw_qps_destroyed); | |
1289 | target_stat_values[++index] = atomic_read(&qps_destroyed); | |
1290 | target_stat_values[++index] = atomic_read(&cm_closes); | |
1291 | target_stat_values[++index] = cm_packets_sent; | |
1292 | target_stat_values[++index] = cm_packets_bounced; | |
1293 | target_stat_values[++index] = cm_packets_created; | |
1294 | target_stat_values[++index] = cm_packets_received; | |
1295 | target_stat_values[++index] = cm_packets_dropped; | |
1296 | target_stat_values[++index] = cm_packets_retrans; | |
6e10d2e4 FL |
1297 | target_stat_values[++index] = atomic_read(&cm_listens_created); |
1298 | target_stat_values[++index] = atomic_read(&cm_listens_destroyed); | |
2869975c FL |
1299 | target_stat_values[++index] = cm_backlog_drops; |
1300 | target_stat_values[++index] = atomic_read(&cm_loopbacks); | |
1301 | target_stat_values[++index] = atomic_read(&cm_nodes_created); | |
1302 | target_stat_values[++index] = atomic_read(&cm_nodes_destroyed); | |
1303 | target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts); | |
1304 | target_stat_values[++index] = atomic_read(&cm_resets_recvd); | |
39942a02 FL |
1305 | target_stat_values[++index] = nesadapter->free_4kpbl; |
1306 | target_stat_values[++index] = nesadapter->free_256pbl; | |
2869975c | 1307 | target_stat_values[++index] = int_mod_timer_init; |
2869975c FL |
1308 | target_stat_values[++index] = nesvnic->lro_mgr.stats.aggregated; |
1309 | target_stat_values[++index] = nesvnic->lro_mgr.stats.flushed; | |
1310 | target_stat_values[++index] = nesvnic->lro_mgr.stats.no_desc; | |
3c2d774c GS |
1311 | } |
1312 | ||
3c2d774c GS |
1313 | /** |
1314 | * nes_netdev_get_drvinfo | |
1315 | */ | |
1316 | static void nes_netdev_get_drvinfo(struct net_device *netdev, | |
1317 | struct ethtool_drvinfo *drvinfo) | |
1318 | { | |
1319 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
0c93ae35 | 1320 | struct nes_adapter *nesadapter = nesvnic->nesdev->nesadapter; |
3c2d774c GS |
1321 | |
1322 | strcpy(drvinfo->driver, DRV_NAME); | |
1323 | strcpy(drvinfo->bus_info, pci_name(nesvnic->nesdev->pcidev)); | |
0c93ae35 CT |
1324 | sprintf(drvinfo->fw_version, "%u.%u", nesadapter->firmware_version>>16, |
1325 | nesadapter->firmware_version & 0x000000ff); | |
3c2d774c | 1326 | strcpy(drvinfo->version, DRV_VERSION); |
3c2d774c GS |
1327 | drvinfo->testinfo_len = 0; |
1328 | drvinfo->eedump_len = 0; | |
1329 | drvinfo->regdump_len = 0; | |
1330 | } | |
1331 | ||
1332 | ||
1333 | /** | |
1334 | * nes_netdev_set_coalesce | |
1335 | */ | |
1336 | static int nes_netdev_set_coalesce(struct net_device *netdev, | |
1337 | struct ethtool_coalesce *et_coalesce) | |
1338 | { | |
1339 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
7495ab68 | 1340 | struct nes_device *nesdev = nesvnic->nesdev; |
3c2d774c GS |
1341 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
1342 | struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer; | |
1343 | unsigned long flags; | |
1344 | ||
7495ab68 | 1345 | spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags); |
3c2d774c | 1346 | if (et_coalesce->rx_max_coalesced_frames_low) { |
7495ab68 | 1347 | shared_timer->threshold_low = et_coalesce->rx_max_coalesced_frames_low; |
3c2d774c GS |
1348 | } |
1349 | if (et_coalesce->rx_max_coalesced_frames_irq) { | |
1350 | shared_timer->threshold_target = et_coalesce->rx_max_coalesced_frames_irq; | |
1351 | } | |
1352 | if (et_coalesce->rx_max_coalesced_frames_high) { | |
1353 | shared_timer->threshold_high = et_coalesce->rx_max_coalesced_frames_high; | |
1354 | } | |
1355 | if (et_coalesce->rx_coalesce_usecs_low) { | |
1356 | shared_timer->timer_in_use_min = et_coalesce->rx_coalesce_usecs_low; | |
1357 | } | |
1358 | if (et_coalesce->rx_coalesce_usecs_high) { | |
1359 | shared_timer->timer_in_use_max = et_coalesce->rx_coalesce_usecs_high; | |
1360 | } | |
1361 | spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags); | |
1362 | ||
1363 | /* using this to drive total interrupt moderation */ | |
1364 | nesadapter->et_rx_coalesce_usecs_irq = et_coalesce->rx_coalesce_usecs_irq; | |
1365 | if (et_coalesce->use_adaptive_rx_coalesce) { | |
1366 | nesadapter->et_use_adaptive_rx_coalesce = 1; | |
7495ab68 | 1367 | nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT_DYNAMIC; |
3c2d774c GS |
1368 | nesadapter->et_rx_coalesce_usecs_irq = 0; |
1369 | if (et_coalesce->pkt_rate_low) { | |
7495ab68 | 1370 | nesadapter->et_pkt_rate_low = et_coalesce->pkt_rate_low; |
3c2d774c GS |
1371 | } |
1372 | } else { | |
1373 | nesadapter->et_use_adaptive_rx_coalesce = 0; | |
7495ab68 | 1374 | nesadapter->timer_int_limit = NES_TIMER_INT_LIMIT; |
3c2d774c GS |
1375 | if (nesadapter->et_rx_coalesce_usecs_irq) { |
1376 | nes_write32(nesdev->regs+NES_PERIODIC_CONTROL, | |
1377 | 0x80000000 | ((u32)(nesadapter->et_rx_coalesce_usecs_irq*8))); | |
1378 | } | |
1379 | } | |
1380 | return 0; | |
1381 | } | |
1382 | ||
1383 | ||
1384 | /** | |
1385 | * nes_netdev_get_coalesce | |
1386 | */ | |
1387 | static int nes_netdev_get_coalesce(struct net_device *netdev, | |
1388 | struct ethtool_coalesce *et_coalesce) | |
1389 | { | |
1390 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
7495ab68 | 1391 | struct nes_device *nesdev = nesvnic->nesdev; |
3c2d774c GS |
1392 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
1393 | struct ethtool_coalesce temp_et_coalesce; | |
1394 | struct nes_hw_tune_timer *shared_timer = &nesadapter->tune_timer; | |
1395 | unsigned long flags; | |
1396 | ||
1397 | memset(&temp_et_coalesce, 0, sizeof(temp_et_coalesce)); | |
7495ab68 GS |
1398 | temp_et_coalesce.rx_coalesce_usecs_irq = nesadapter->et_rx_coalesce_usecs_irq; |
1399 | temp_et_coalesce.use_adaptive_rx_coalesce = nesadapter->et_use_adaptive_rx_coalesce; | |
1400 | temp_et_coalesce.rate_sample_interval = nesadapter->et_rate_sample_interval; | |
3c2d774c GS |
1401 | temp_et_coalesce.pkt_rate_low = nesadapter->et_pkt_rate_low; |
1402 | spin_lock_irqsave(&nesadapter->periodic_timer_lock, flags); | |
7495ab68 GS |
1403 | temp_et_coalesce.rx_max_coalesced_frames_low = shared_timer->threshold_low; |
1404 | temp_et_coalesce.rx_max_coalesced_frames_irq = shared_timer->threshold_target; | |
3c2d774c | 1405 | temp_et_coalesce.rx_max_coalesced_frames_high = shared_timer->threshold_high; |
7495ab68 | 1406 | temp_et_coalesce.rx_coalesce_usecs_low = shared_timer->timer_in_use_min; |
3c2d774c GS |
1407 | temp_et_coalesce.rx_coalesce_usecs_high = shared_timer->timer_in_use_max; |
1408 | if (nesadapter->et_use_adaptive_rx_coalesce) { | |
1409 | temp_et_coalesce.rx_coalesce_usecs_irq = shared_timer->timer_in_use; | |
1410 | } | |
1411 | spin_unlock_irqrestore(&nesadapter->periodic_timer_lock, flags); | |
7495ab68 | 1412 | memcpy(et_coalesce, &temp_et_coalesce, sizeof(*et_coalesce)); |
3c2d774c GS |
1413 | return 0; |
1414 | } | |
1415 | ||
1416 | ||
1417 | /** | |
1418 | * nes_netdev_get_pauseparam | |
1419 | */ | |
1420 | static void nes_netdev_get_pauseparam(struct net_device *netdev, | |
1421 | struct ethtool_pauseparam *et_pauseparam) | |
1422 | { | |
1423 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1424 | ||
1425 | et_pauseparam->autoneg = 0; | |
1426 | et_pauseparam->rx_pause = (nesvnic->nesdev->disable_rx_flow_control == 0) ? 1:0; | |
1427 | et_pauseparam->tx_pause = (nesvnic->nesdev->disable_tx_flow_control == 0) ? 1:0; | |
1428 | } | |
1429 | ||
1430 | ||
1431 | /** | |
1432 | * nes_netdev_set_pauseparam | |
1433 | */ | |
1434 | static int nes_netdev_set_pauseparam(struct net_device *netdev, | |
1435 | struct ethtool_pauseparam *et_pauseparam) | |
1436 | { | |
1437 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1438 | struct nes_device *nesdev = nesvnic->nesdev; | |
1439 | u32 u32temp; | |
1440 | ||
1441 | if (et_pauseparam->autoneg) { | |
1442 | /* TODO: should return unsupported */ | |
1443 | return 0; | |
1444 | } | |
1445 | if ((et_pauseparam->tx_pause == 1) && (nesdev->disable_tx_flow_control == 1)) { | |
1446 | u32temp = nes_read_indexed(nesdev, | |
1447 | NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200)); | |
1448 | u32temp |= NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE; | |
1449 | nes_write_indexed(nesdev, | |
70c9db0f | 1450 | NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200), u32temp); |
3c2d774c GS |
1451 | nesdev->disable_tx_flow_control = 0; |
1452 | } else if ((et_pauseparam->tx_pause == 0) && (nesdev->disable_tx_flow_control == 0)) { | |
1453 | u32temp = nes_read_indexed(nesdev, | |
1454 | NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200)); | |
1455 | u32temp &= ~NES_IDX_MAC_TX_CONFIG_ENABLE_PAUSE; | |
1456 | nes_write_indexed(nesdev, | |
70c9db0f | 1457 | NES_IDX_MAC_TX_CONFIG + (nesdev->mac_index*0x200), u32temp); |
3c2d774c GS |
1458 | nesdev->disable_tx_flow_control = 1; |
1459 | } | |
1460 | if ((et_pauseparam->rx_pause == 1) && (nesdev->disable_rx_flow_control == 1)) { | |
1461 | u32temp = nes_read_indexed(nesdev, | |
1462 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40)); | |
1463 | u32temp &= ~NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE; | |
1464 | nes_write_indexed(nesdev, | |
1465 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp); | |
1466 | nesdev->disable_rx_flow_control = 0; | |
1467 | } else if ((et_pauseparam->rx_pause == 0) && (nesdev->disable_rx_flow_control == 0)) { | |
1468 | u32temp = nes_read_indexed(nesdev, | |
1469 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40)); | |
1470 | u32temp |= NES_IDX_MPP_DEBUG_PORT_DISABLE_PAUSE; | |
1471 | nes_write_indexed(nesdev, | |
1472 | NES_IDX_MPP_DEBUG + (nesdev->mac_index*0x40), u32temp); | |
1473 | nesdev->disable_rx_flow_control = 1; | |
1474 | } | |
1475 | ||
1476 | return 0; | |
1477 | } | |
1478 | ||
1479 | ||
1480 | /** | |
1481 | * nes_netdev_get_settings | |
1482 | */ | |
1483 | static int nes_netdev_get_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd) | |
1484 | { | |
1485 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1486 | struct nes_device *nesdev = nesvnic->nesdev; | |
1487 | struct nes_adapter *nesadapter = nesdev->nesadapter; | |
4303565d CT |
1488 | u32 mac_index = nesdev->mac_index; |
1489 | u8 phy_type = nesadapter->phy_type[mac_index]; | |
1490 | u8 phy_index = nesadapter->phy_index[mac_index]; | |
3c2d774c GS |
1491 | u16 phy_data; |
1492 | ||
1493 | et_cmd->duplex = DUPLEX_FULL; | |
7495ab68 | 1494 | et_cmd->port = PORT_MII; |
4303565d CT |
1495 | et_cmd->maxtxpkt = 511; |
1496 | et_cmd->maxrxpkt = 511; | |
0e1de5d6 | 1497 | |
3c2d774c | 1498 | if (nesadapter->OneG_Mode) { |
3c2d774c | 1499 | et_cmd->speed = SPEED_1000; |
4303565d | 1500 | if (phy_type == NES_PHY_TYPE_PUMA_1G) { |
0e1de5d6 ES |
1501 | et_cmd->supported = SUPPORTED_1000baseT_Full; |
1502 | et_cmd->advertising = ADVERTISED_1000baseT_Full; | |
1503 | et_cmd->autoneg = AUTONEG_DISABLE; | |
1504 | et_cmd->transceiver = XCVR_INTERNAL; | |
4303565d | 1505 | et_cmd->phy_address = mac_index; |
3c2d774c | 1506 | } else { |
ce6e74f2 | 1507 | unsigned long flags; |
4303565d CT |
1508 | et_cmd->supported = SUPPORTED_1000baseT_Full |
1509 | | SUPPORTED_Autoneg; | |
1510 | et_cmd->advertising = ADVERTISED_1000baseT_Full | |
1511 | | ADVERTISED_Autoneg; | |
ce6e74f2 | 1512 | spin_lock_irqsave(&nesadapter->phy_lock, flags); |
4303565d | 1513 | nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data); |
ce6e74f2 | 1514 | spin_unlock_irqrestore(&nesadapter->phy_lock, flags); |
0e1de5d6 ES |
1515 | if (phy_data & 0x1000) |
1516 | et_cmd->autoneg = AUTONEG_ENABLE; | |
1517 | else | |
1518 | et_cmd->autoneg = AUTONEG_DISABLE; | |
1519 | et_cmd->transceiver = XCVR_EXTERNAL; | |
4303565d | 1520 | et_cmd->phy_address = phy_index; |
3c2d774c | 1521 | } |
4303565d CT |
1522 | return 0; |
1523 | } | |
09124e19 CT |
1524 | if ((phy_type == NES_PHY_TYPE_ARGUS) || |
1525 | (phy_type == NES_PHY_TYPE_SFP_D) || | |
1526 | (phy_type == NES_PHY_TYPE_KR)) { | |
4303565d CT |
1527 | et_cmd->transceiver = XCVR_EXTERNAL; |
1528 | et_cmd->port = PORT_FIBRE; | |
1529 | et_cmd->supported = SUPPORTED_FIBRE; | |
1530 | et_cmd->advertising = ADVERTISED_FIBRE; | |
1531 | et_cmd->phy_address = phy_index; | |
3c2d774c | 1532 | } else { |
4303565d CT |
1533 | et_cmd->transceiver = XCVR_INTERNAL; |
1534 | et_cmd->supported = SUPPORTED_10000baseT_Full; | |
1535 | et_cmd->advertising = ADVERTISED_10000baseT_Full; | |
1536 | et_cmd->phy_address = mac_index; | |
3c2d774c | 1537 | } |
4303565d CT |
1538 | et_cmd->speed = SPEED_10000; |
1539 | et_cmd->autoneg = AUTONEG_DISABLE; | |
3c2d774c GS |
1540 | return 0; |
1541 | } | |
1542 | ||
1543 | ||
1544 | /** | |
1545 | * nes_netdev_set_settings | |
1546 | */ | |
1547 | static int nes_netdev_set_settings(struct net_device *netdev, struct ethtool_cmd *et_cmd) | |
1548 | { | |
1549 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1550 | struct nes_device *nesdev = nesvnic->nesdev; | |
1551 | struct nes_adapter *nesadapter = nesdev->nesadapter; | |
3c2d774c | 1552 | |
0e1de5d6 ES |
1553 | if ((nesadapter->OneG_Mode) && |
1554 | (nesadapter->phy_type[nesdev->mac_index] != NES_PHY_TYPE_PUMA_1G)) { | |
ce6e74f2 CT |
1555 | unsigned long flags; |
1556 | u16 phy_data; | |
1557 | u8 phy_index = nesadapter->phy_index[nesdev->mac_index]; | |
1558 | ||
1559 | spin_lock_irqsave(&nesadapter->phy_lock, flags); | |
1560 | nes_read_1G_phy_reg(nesdev, 0, phy_index, &phy_data); | |
3c2d774c GS |
1561 | if (et_cmd->autoneg) { |
1562 | /* Turn on Full duplex, Autoneg, and restart autonegotiation */ | |
1563 | phy_data |= 0x1300; | |
1564 | } else { | |
7495ab68 | 1565 | /* Turn off autoneg */ |
3c2d774c GS |
1566 | phy_data &= ~0x1000; |
1567 | } | |
ce6e74f2 CT |
1568 | nes_write_1G_phy_reg(nesdev, 0, phy_index, phy_data); |
1569 | spin_unlock_irqrestore(&nesadapter->phy_lock, flags); | |
3c2d774c GS |
1570 | } |
1571 | ||
1572 | return 0; | |
1573 | } | |
1574 | ||
1575 | ||
39827be2 BH |
1576 | static int nes_netdev_set_flags(struct net_device *netdev, u32 flags) |
1577 | { | |
1578 | return ethtool_op_set_flags(netdev, flags, ETH_FLAG_LRO); | |
1579 | } | |
1580 | ||
1581 | ||
0fc0b732 | 1582 | static const struct ethtool_ops nes_ethtool_ops = { |
3c2d774c GS |
1583 | .get_link = ethtool_op_get_link, |
1584 | .get_settings = nes_netdev_get_settings, | |
1585 | .set_settings = nes_netdev_set_settings, | |
1586 | .get_tx_csum = ethtool_op_get_tx_csum, | |
1587 | .get_rx_csum = nes_netdev_get_rx_csum, | |
1588 | .get_sg = ethtool_op_get_sg, | |
1589 | .get_strings = nes_netdev_get_strings, | |
15f0a394 | 1590 | .get_sset_count = nes_netdev_get_sset_count, |
3c2d774c GS |
1591 | .get_ethtool_stats = nes_netdev_get_ethtool_stats, |
1592 | .get_drvinfo = nes_netdev_get_drvinfo, | |
1593 | .get_coalesce = nes_netdev_get_coalesce, | |
1594 | .set_coalesce = nes_netdev_set_coalesce, | |
1595 | .get_pauseparam = nes_netdev_get_pauseparam, | |
1596 | .set_pauseparam = nes_netdev_set_pauseparam, | |
1597 | .set_tx_csum = ethtool_op_set_tx_csum, | |
1598 | .set_rx_csum = nes_netdev_set_rx_csum, | |
1599 | .set_sg = ethtool_op_set_sg, | |
1600 | .get_tso = ethtool_op_get_tso, | |
1601 | .set_tso = ethtool_op_set_tso, | |
37dab411 | 1602 | .get_flags = ethtool_op_get_flags, |
39827be2 | 1603 | .set_flags = nes_netdev_set_flags, |
3c2d774c GS |
1604 | }; |
1605 | ||
1606 | ||
1607 | static void nes_netdev_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) | |
1608 | { | |
1609 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1610 | struct nes_device *nesdev = nesvnic->nesdev; | |
edd2fd64 | 1611 | struct nes_adapter *nesadapter = nesdev->nesadapter; |
3c2d774c | 1612 | u32 u32temp; |
edd2fd64 | 1613 | unsigned long flags; |
3c2d774c | 1614 | |
edd2fd64 | 1615 | spin_lock_irqsave(&nesadapter->phy_lock, flags); |
3c2d774c GS |
1616 | nesvnic->vlan_grp = grp; |
1617 | ||
edd2fd64 CT |
1618 | nes_debug(NES_DBG_NETDEV, "%s: %s\n", __func__, netdev->name); |
1619 | ||
3c2d774c GS |
1620 | /* Enable/Disable VLAN Stripping */ |
1621 | u32temp = nes_read_indexed(nesdev, NES_IDX_PCIX_DIAG); | |
1622 | if (grp) | |
1623 | u32temp &= 0xfdffffff; | |
1624 | else | |
1625 | u32temp |= 0x02000000; | |
1626 | ||
1627 | nes_write_indexed(nesdev, NES_IDX_PCIX_DIAG, u32temp); | |
edd2fd64 | 1628 | spin_unlock_irqrestore(&nesadapter->phy_lock, flags); |
3c2d774c GS |
1629 | } |
1630 | ||
d0929553 SH |
1631 | static const struct net_device_ops nes_netdev_ops = { |
1632 | .ndo_open = nes_netdev_open, | |
1633 | .ndo_stop = nes_netdev_stop, | |
1634 | .ndo_start_xmit = nes_netdev_start_xmit, | |
1635 | .ndo_get_stats = nes_netdev_get_stats, | |
1636 | .ndo_tx_timeout = nes_netdev_tx_timeout, | |
1637 | .ndo_set_mac_address = nes_netdev_set_mac_address, | |
1638 | .ndo_set_multicast_list = nes_netdev_set_multicast_list, | |
1639 | .ndo_change_mtu = nes_netdev_change_mtu, | |
d0929553 SH |
1640 | .ndo_validate_addr = eth_validate_addr, |
1641 | .ndo_vlan_rx_register = nes_netdev_vlan_rx_register, | |
1642 | }; | |
3c2d774c GS |
1643 | |
1644 | /** | |
1645 | * nes_netdev_init - initialize network device | |
1646 | */ | |
1647 | struct net_device *nes_netdev_init(struct nes_device *nesdev, | |
1648 | void __iomem *mmio_addr) | |
1649 | { | |
1650 | u64 u64temp; | |
13220a94 | 1651 | struct nes_vnic *nesvnic; |
3c2d774c GS |
1652 | struct net_device *netdev; |
1653 | struct nic_qp_map *curr_qp_map; | |
09124e19 | 1654 | u8 phy_type = nesdev->nesadapter->phy_type[nesdev->mac_index]; |
3c2d774c GS |
1655 | |
1656 | netdev = alloc_etherdev(sizeof(struct nes_vnic)); | |
1657 | if (!netdev) { | |
1658 | printk(KERN_ERR PFX "nesvnic etherdev alloc failed"); | |
1659 | return NULL; | |
1660 | } | |
13220a94 | 1661 | nesvnic = netdev_priv(netdev); |
3c2d774c GS |
1662 | |
1663 | nes_debug(NES_DBG_INIT, "netdev = %p, %s\n", netdev, netdev->name); | |
1664 | ||
1665 | SET_NETDEV_DEV(netdev, &nesdev->pcidev->dev); | |
1666 | ||
3c2d774c GS |
1667 | netdev->watchdog_timeo = NES_TX_TIMEOUT; |
1668 | netdev->irq = nesdev->pcidev->irq; | |
1669 | netdev->mtu = ETH_DATA_LEN; | |
1670 | netdev->hard_header_len = ETH_HLEN; | |
1671 | netdev->addr_len = ETH_ALEN; | |
1672 | netdev->type = ARPHRD_ETHER; | |
1673 | netdev->features = NETIF_F_HIGHDMA; | |
d0929553 | 1674 | netdev->netdev_ops = &nes_netdev_ops; |
3c2d774c GS |
1675 | netdev->ethtool_ops = &nes_ethtool_ops; |
1676 | netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128); | |
1677 | nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n"); | |
1678 | netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX; | |
3c2d774c GS |
1679 | |
1680 | /* Fill in the port structure */ | |
1681 | nesvnic->netdev = netdev; | |
1682 | nesvnic->nesdev = nesdev; | |
1683 | nesvnic->msg_enable = netif_msg_init(debug, default_msg); | |
1684 | nesvnic->netdev_index = nesdev->netdev_count; | |
1685 | nesvnic->perfect_filter_index = nesdev->nesadapter->netdev_count; | |
edd2fd64 | 1686 | nesvnic->max_frame_size = netdev->mtu + netdev->hard_header_len + VLAN_HLEN; |
3c2d774c GS |
1687 | |
1688 | curr_qp_map = nic_qp_mapping_per_function[PCI_FUNC(nesdev->pcidev->devfn)]; | |
1689 | nesvnic->nic.qp_id = curr_qp_map[nesdev->netdev_count].qpid; | |
1690 | nesvnic->nic_index = curr_qp_map[nesdev->netdev_count].nic_index; | |
1691 | nesvnic->logical_port = curr_qp_map[nesdev->netdev_count].logical_port; | |
1692 | ||
1693 | /* Setup the burned in MAC address */ | |
1694 | u64temp = (u64)nesdev->nesadapter->mac_addr_low; | |
1695 | u64temp += ((u64)nesdev->nesadapter->mac_addr_high) << 32; | |
1696 | u64temp += nesvnic->nic_index; | |
1697 | netdev->dev_addr[0] = (u8)(u64temp>>40); | |
1698 | netdev->dev_addr[1] = (u8)(u64temp>>32); | |
1699 | netdev->dev_addr[2] = (u8)(u64temp>>24); | |
1700 | netdev->dev_addr[3] = (u8)(u64temp>>16); | |
1701 | netdev->dev_addr[4] = (u8)(u64temp>>8); | |
1702 | netdev->dev_addr[5] = (u8)u64temp; | |
1703 | memcpy(netdev->perm_addr, netdev->dev_addr, 6); | |
1704 | ||
1705 | if ((nesvnic->logical_port < 2) || (nesdev->nesadapter->hw_rev != NE020_REV)) { | |
1706 | netdev->features |= NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM; | |
1707 | netdev->features |= NETIF_F_GSO | NETIF_F_TSO | NETIF_F_SG | NETIF_F_IP_CSUM; | |
1708 | } else { | |
1709 | netdev->features |= NETIF_F_SG | NETIF_F_IP_CSUM; | |
1710 | } | |
1711 | ||
1712 | nes_debug(NES_DBG_INIT, "nesvnic = %p, reported features = 0x%lX, QPid = %d," | |
1713 | " nic_index = %d, logical_port = %d, mac_index = %d.\n", | |
1714 | nesvnic, (unsigned long)netdev->features, nesvnic->nic.qp_id, | |
1715 | nesvnic->nic_index, nesvnic->logical_port, nesdev->mac_index); | |
1716 | ||
7e36d3d7 VM |
1717 | if (nesvnic->nesdev->nesadapter->port_count == 1 && |
1718 | nesvnic->nesdev->nesadapter->adapter_fcn_count == 1) { | |
1719 | ||
3c2d774c GS |
1720 | nesvnic->qp_nic_index[0] = nesvnic->nic_index; |
1721 | nesvnic->qp_nic_index[1] = nesvnic->nic_index + 1; | |
1722 | if (nes_drv_opt & NES_DRV_OPT_DUAL_LOGICAL_PORT) { | |
1723 | nesvnic->qp_nic_index[2] = 0xf; | |
1724 | nesvnic->qp_nic_index[3] = 0xf; | |
1725 | } else { | |
1726 | nesvnic->qp_nic_index[2] = nesvnic->nic_index + 2; | |
1727 | nesvnic->qp_nic_index[3] = nesvnic->nic_index + 3; | |
1728 | } | |
1729 | } else { | |
7e36d3d7 VM |
1730 | if (nesvnic->nesdev->nesadapter->port_count == 2 || |
1731 | (nesvnic->nesdev->nesadapter->port_count == 1 && | |
1732 | nesvnic->nesdev->nesadapter->adapter_fcn_count == 2)) { | |
1733 | nesvnic->qp_nic_index[0] = nesvnic->nic_index; | |
1734 | nesvnic->qp_nic_index[1] = nesvnic->nic_index | |
1735 | + 2; | |
1736 | nesvnic->qp_nic_index[2] = 0xf; | |
1737 | nesvnic->qp_nic_index[3] = 0xf; | |
3c2d774c GS |
1738 | } else { |
1739 | nesvnic->qp_nic_index[0] = nesvnic->nic_index; | |
1740 | nesvnic->qp_nic_index[1] = 0xf; | |
1741 | nesvnic->qp_nic_index[2] = 0xf; | |
1742 | nesvnic->qp_nic_index[3] = 0xf; | |
1743 | } | |
1744 | } | |
1745 | nesvnic->next_qp_nic_index = 0; | |
1746 | ||
1747 | if (nesdev->netdev_count == 0) { | |
1748 | nesvnic->rdma_enabled = 1; | |
1749 | } else { | |
1750 | nesvnic->rdma_enabled = 0; | |
1751 | } | |
1752 | nesvnic->nic_cq.cq_number = nesvnic->nic.qp_id; | |
1753 | spin_lock_init(&nesvnic->tx_lock); | |
1754 | nesdev->netdev[nesdev->netdev_count] = netdev; | |
1755 | ||
1756 | nes_debug(NES_DBG_INIT, "Adding nesvnic (%p) to the adapters nesvnic_list for MAC%d.\n", | |
1757 | nesvnic, nesdev->mac_index); | |
1758 | list_add_tail(&nesvnic->list, &nesdev->nesadapter->nesvnic_list[nesdev->mac_index]); | |
1759 | ||
1760 | if ((nesdev->netdev_count == 0) && | |
0e1de5d6 | 1761 | ((PCI_FUNC(nesdev->pcidev->devfn) == nesdev->mac_index) || |
09124e19 | 1762 | ((phy_type == NES_PHY_TYPE_PUMA_1G) && |
0e1de5d6 ES |
1763 | (((PCI_FUNC(nesdev->pcidev->devfn) == 1) && (nesdev->mac_index == 2)) || |
1764 | ((PCI_FUNC(nesdev->pcidev->devfn) == 2) && (nesdev->mac_index == 1)))))) { | |
a72042c0 CT |
1765 | u32 u32temp; |
1766 | u32 link_mask; | |
1767 | u32 link_val; | |
1768 | ||
3c2d774c | 1769 | u32temp = nes_read_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 + |
0e1de5d6 | 1770 | (0x200 * (nesdev->mac_index & 1))); |
09124e19 | 1771 | if (phy_type != NES_PHY_TYPE_PUMA_1G) { |
0e1de5d6 ES |
1772 | u32temp |= 0x00200000; |
1773 | nes_write_indexed(nesdev, NES_IDX_PHY_PCS_CONTROL_STATUS0 + | |
1774 | (0x200 * (nesdev->mac_index & 1)), u32temp); | |
1775 | } | |
1776 | ||
a72042c0 CT |
1777 | /* Check and set linkup here. This is for back to back */ |
1778 | /* configuration where second port won't get link interrupt */ | |
1779 | switch (phy_type) { | |
1780 | case NES_PHY_TYPE_PUMA_1G: | |
1781 | if (nesdev->mac_index < 2) { | |
1782 | link_mask = 0x01010000; | |
1783 | link_val = 0x01010000; | |
1784 | } else { | |
1785 | link_mask = 0x02020000; | |
1786 | link_val = 0x02020000; | |
1787 | } | |
1788 | break; | |
1789 | default: | |
1790 | link_mask = 0x0f1f0000; | |
1791 | link_val = 0x0f0f0000; | |
1792 | break; | |
1793 | } | |
1794 | ||
1795 | u32temp = nes_read_indexed(nesdev, | |
1796 | NES_IDX_PHY_PCS_CONTROL_STATUS0 + | |
1797 | (0x200 * (nesdev->mac_index & 1))); | |
1798 | if ((u32temp & link_mask) == link_val) | |
1799 | nesvnic->linkup = 1; | |
1800 | ||
3c2d774c | 1801 | /* clear the MAC interrupt status, assumes direct logical to physical mapping */ |
11e0704b | 1802 | u32temp = nes_read_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index)); |
3c2d774c | 1803 | nes_debug(NES_DBG_INIT, "Phy interrupt status = 0x%X.\n", u32temp); |
11e0704b | 1804 | nes_write_indexed(nesdev, NES_IDX_MAC_INT_STATUS + (0x200 * nesdev->mac_index), u32temp); |
3c2d774c | 1805 | |
09124e19 | 1806 | nes_init_phy(nesdev); |
3c2d774c GS |
1807 | } |
1808 | ||
1809 | return netdev; | |
1810 | } | |
1811 | ||
1812 | ||
1813 | /** | |
1814 | * nes_netdev_destroy - destroy network device structure | |
1815 | */ | |
1816 | void nes_netdev_destroy(struct net_device *netdev) | |
1817 | { | |
1818 | struct nes_vnic *nesvnic = netdev_priv(netdev); | |
1819 | ||
1820 | /* make sure 'stop' method is called by Linux stack */ | |
1821 | /* nes_netdev_stop(netdev); */ | |
1822 | ||
1823 | list_del(&nesvnic->list); | |
1824 | ||
1825 | if (nesvnic->of_device_registered) { | |
1826 | nes_destroy_ofa_device(nesvnic->nesibdev); | |
1827 | } | |
1828 | ||
1829 | free_netdev(netdev); | |
1830 | } | |
1831 | ||
1832 | ||
1833 | /** | |
1834 | * nes_nic_cm_xmit -- CM calls this to send out pkts | |
1835 | */ | |
1836 | int nes_nic_cm_xmit(struct sk_buff *skb, struct net_device *netdev) | |
1837 | { | |
1838 | int ret; | |
1839 | ||
1840 | skb->dev = netdev; | |
1841 | ret = dev_queue_xmit(skb); | |
1842 | if (ret) { | |
1843 | nes_debug(NES_DBG_CM, "Bad return code from dev_queue_xmit %d\n", ret); | |
1844 | } | |
1845 | ||
1846 | return ret; | |
1847 | } |