Commit | Line | Data |
---|---|---|
6b7c5b94 | 1 | /* |
d2145cde | 2 | * Copyright (C) 2005 - 2011 Emulex |
6b7c5b94 SP |
3 | * All rights reserved. |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License version 2 | |
7 | * as published by the Free Software Foundation. The full GNU General | |
8 | * Public License is included in this distribution in the file called COPYING. | |
9 | * | |
10 | * Contact Information: | |
d2145cde | 11 | * linux-drivers@emulex.com |
6b7c5b94 | 12 | * |
d2145cde AK |
13 | * Emulex |
14 | * 3333 Susan Street | |
15 | * Costa Mesa, CA 92626 | |
6b7c5b94 SP |
16 | */ |
17 | ||
18 | #include "be.h" | |
8788fdc2 | 19 | #include "be_cmds.h" |
65f71b8b | 20 | #include <asm/div64.h> |
6b7c5b94 SP |
21 | |
22 | MODULE_VERSION(DRV_VER); | |
23 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
24 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); | |
25 | MODULE_AUTHOR("ServerEngines Corporation"); | |
26 | MODULE_LICENSE("GPL"); | |
27 | ||
2e588f84 | 28 | static ushort rx_frag_size = 2048; |
ba343c77 | 29 | static unsigned int num_vfs; |
2e588f84 | 30 | module_param(rx_frag_size, ushort, S_IRUGO); |
ba343c77 | 31 | module_param(num_vfs, uint, S_IRUGO); |
6b7c5b94 | 32 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
ba343c77 | 33 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
6b7c5b94 | 34 | |
3abcdeda SP |
35 | static bool multi_rxq = true; |
36 | module_param(multi_rxq, bool, S_IRUGO | S_IWUSR); | |
37 | MODULE_PARM_DESC(multi_rxq, "Multi Rx Queue support. Enabled by default"); | |
38 | ||
6b7c5b94 | 39 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { |
c4ca2374 | 40 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
59fd5d87 | 41 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
c4ca2374 AK |
42 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
43 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, | |
fe6d2a38 | 44 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
6b7c5b94 SP |
45 | { 0 } |
46 | }; | |
47 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
7c185276 AK |
48 | /* UE Status Low CSR */ |
49 | static char *ue_status_low_desc[] = { | |
50 | "CEV", | |
51 | "CTX", | |
52 | "DBUF", | |
53 | "ERX", | |
54 | "Host", | |
55 | "MPU", | |
56 | "NDMA", | |
57 | "PTC ", | |
58 | "RDMA ", | |
59 | "RXF ", | |
60 | "RXIPS ", | |
61 | "RXULP0 ", | |
62 | "RXULP1 ", | |
63 | "RXULP2 ", | |
64 | "TIM ", | |
65 | "TPOST ", | |
66 | "TPRE ", | |
67 | "TXIPS ", | |
68 | "TXULP0 ", | |
69 | "TXULP1 ", | |
70 | "UC ", | |
71 | "WDMA ", | |
72 | "TXULP2 ", | |
73 | "HOST1 ", | |
74 | "P0_OB_LINK ", | |
75 | "P1_OB_LINK ", | |
76 | "HOST_GPIO ", | |
77 | "MBOX ", | |
78 | "AXGMAC0", | |
79 | "AXGMAC1", | |
80 | "JTAG", | |
81 | "MPU_INTPEND" | |
82 | }; | |
83 | /* UE Status High CSR */ | |
84 | static char *ue_status_hi_desc[] = { | |
85 | "LPCMEMHOST", | |
86 | "MGMT_MAC", | |
87 | "PCS0ONLINE", | |
88 | "MPU_IRAM", | |
89 | "PCS1ONLINE", | |
90 | "PCTL0", | |
91 | "PCTL1", | |
92 | "PMEM", | |
93 | "RR", | |
94 | "TXPB", | |
95 | "RXPP", | |
96 | "XAUI", | |
97 | "TXP", | |
98 | "ARM", | |
99 | "IPC", | |
100 | "HOST2", | |
101 | "HOST3", | |
102 | "HOST4", | |
103 | "HOST5", | |
104 | "HOST6", | |
105 | "HOST7", | |
106 | "HOST8", | |
107 | "HOST9", | |
108 | "NETC" | |
109 | "Unknown", | |
110 | "Unknown", | |
111 | "Unknown", | |
112 | "Unknown", | |
113 | "Unknown", | |
114 | "Unknown", | |
115 | "Unknown", | |
116 | "Unknown" | |
117 | }; | |
6b7c5b94 SP |
118 | |
119 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) | |
120 | { | |
121 | struct be_dma_mem *mem = &q->dma_mem; | |
122 | if (mem->va) | |
2b7bcebf IV |
123 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
124 | mem->dma); | |
6b7c5b94 SP |
125 | } |
126 | ||
127 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
128 | u16 len, u16 entry_size) | |
129 | { | |
130 | struct be_dma_mem *mem = &q->dma_mem; | |
131 | ||
132 | memset(q, 0, sizeof(*q)); | |
133 | q->len = len; | |
134 | q->entry_size = entry_size; | |
135 | mem->size = len * entry_size; | |
2b7bcebf IV |
136 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
137 | GFP_KERNEL); | |
6b7c5b94 SP |
138 | if (!mem->va) |
139 | return -1; | |
140 | memset(mem->va, 0, mem->size); | |
141 | return 0; | |
142 | } | |
143 | ||
8788fdc2 | 144 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 145 | { |
8788fdc2 | 146 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; |
6b7c5b94 SP |
147 | u32 reg = ioread32(addr); |
148 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
5f0b849e | 149 | |
cf588477 SP |
150 | if (adapter->eeh_err) |
151 | return; | |
152 | ||
5f0b849e | 153 | if (!enabled && enable) |
6b7c5b94 | 154 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 155 | else if (enabled && !enable) |
6b7c5b94 | 156 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 157 | else |
6b7c5b94 | 158 | return; |
5f0b849e | 159 | |
6b7c5b94 SP |
160 | iowrite32(reg, addr); |
161 | } | |
162 | ||
8788fdc2 | 163 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
164 | { |
165 | u32 val = 0; | |
166 | val |= qid & DB_RQ_RING_ID_MASK; | |
167 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
168 | |
169 | wmb(); | |
8788fdc2 | 170 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
171 | } |
172 | ||
8788fdc2 | 173 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
174 | { |
175 | u32 val = 0; | |
176 | val |= qid & DB_TXULP_RING_ID_MASK; | |
177 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
178 | |
179 | wmb(); | |
8788fdc2 | 180 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); |
6b7c5b94 SP |
181 | } |
182 | ||
8788fdc2 | 183 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
184 | bool arm, bool clear_int, u16 num_popped) |
185 | { | |
186 | u32 val = 0; | |
187 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
188 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
189 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
190 | |
191 | if (adapter->eeh_err) | |
192 | return; | |
193 | ||
6b7c5b94 SP |
194 | if (arm) |
195 | val |= 1 << DB_EQ_REARM_SHIFT; | |
196 | if (clear_int) | |
197 | val |= 1 << DB_EQ_CLR_SHIFT; | |
198 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
199 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 200 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
201 | } |
202 | ||
8788fdc2 | 203 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
204 | { |
205 | u32 val = 0; | |
206 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
207 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
208 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
209 | |
210 | if (adapter->eeh_err) | |
211 | return; | |
212 | ||
6b7c5b94 SP |
213 | if (arm) |
214 | val |= 1 << DB_CQ_REARM_SHIFT; | |
215 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 216 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
217 | } |
218 | ||
6b7c5b94 SP |
219 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
220 | { | |
221 | struct be_adapter *adapter = netdev_priv(netdev); | |
222 | struct sockaddr *addr = p; | |
223 | int status = 0; | |
224 | ||
ca9e4988 AK |
225 | if (!is_valid_ether_addr(addr->sa_data)) |
226 | return -EADDRNOTAVAIL; | |
227 | ||
ba343c77 SB |
228 | /* MAC addr configuration will be done in hardware for VFs |
229 | * by their corresponding PFs. Just copy to netdev addr here | |
230 | */ | |
231 | if (!be_physfn(adapter)) | |
232 | goto netdev_addr; | |
233 | ||
f8617e08 AK |
234 | status = be_cmd_pmac_del(adapter, adapter->if_handle, |
235 | adapter->pmac_id, 0); | |
a65027e4 SP |
236 | if (status) |
237 | return status; | |
6b7c5b94 | 238 | |
a65027e4 | 239 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
f8617e08 | 240 | adapter->if_handle, &adapter->pmac_id, 0); |
ba343c77 | 241 | netdev_addr: |
6b7c5b94 SP |
242 | if (!status) |
243 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
244 | ||
245 | return status; | |
246 | } | |
247 | ||
b31c50a7 | 248 | void netdev_stats_update(struct be_adapter *adapter) |
6b7c5b94 | 249 | { |
3abcdeda | 250 | struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats_cmd.va); |
6b7c5b94 SP |
251 | struct be_rxf_stats *rxf_stats = &hw_stats->rxf; |
252 | struct be_port_rxf_stats *port_stats = | |
253 | &rxf_stats->port[adapter->port_num]; | |
78122a52 | 254 | struct net_device_stats *dev_stats = &adapter->netdev->stats; |
68110868 | 255 | struct be_erx_stats *erx_stats = &hw_stats->erx; |
3abcdeda SP |
256 | struct be_rx_obj *rxo; |
257 | int i; | |
6b7c5b94 | 258 | |
3abcdeda SP |
259 | memset(dev_stats, 0, sizeof(*dev_stats)); |
260 | for_all_rx_queues(adapter, rxo, i) { | |
261 | dev_stats->rx_packets += rx_stats(rxo)->rx_pkts; | |
262 | dev_stats->rx_bytes += rx_stats(rxo)->rx_bytes; | |
263 | dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts; | |
264 | /* no space in linux buffers: best possible approximation */ | |
265 | dev_stats->rx_dropped += | |
266 | erx_stats->rx_drops_no_fragments[rxo->q.id]; | |
267 | } | |
268 | ||
269 | dev_stats->tx_packets = tx_stats(adapter)->be_tx_pkts; | |
270 | dev_stats->tx_bytes = tx_stats(adapter)->be_tx_bytes; | |
6b7c5b94 SP |
271 | |
272 | /* bad pkts received */ | |
273 | dev_stats->rx_errors = port_stats->rx_crc_errors + | |
274 | port_stats->rx_alignment_symbol_errors + | |
275 | port_stats->rx_in_range_errors + | |
68110868 SP |
276 | port_stats->rx_out_range_errors + |
277 | port_stats->rx_frame_too_long + | |
278 | port_stats->rx_dropped_too_small + | |
279 | port_stats->rx_dropped_too_short + | |
280 | port_stats->rx_dropped_header_too_small + | |
281 | port_stats->rx_dropped_tcp_length + | |
282 | port_stats->rx_dropped_runt + | |
283 | port_stats->rx_tcp_checksum_errs + | |
284 | port_stats->rx_ip_checksum_errs + | |
285 | port_stats->rx_udp_checksum_errs; | |
286 | ||
6b7c5b94 SP |
287 | /* detailed rx errors */ |
288 | dev_stats->rx_length_errors = port_stats->rx_in_range_errors + | |
68110868 SP |
289 | port_stats->rx_out_range_errors + |
290 | port_stats->rx_frame_too_long; | |
291 | ||
6b7c5b94 SP |
292 | dev_stats->rx_crc_errors = port_stats->rx_crc_errors; |
293 | ||
294 | /* frame alignment errors */ | |
295 | dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors; | |
68110868 | 296 | |
6b7c5b94 SP |
297 | /* receiver fifo overrun */ |
298 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
299 | dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow + | |
300 | port_stats->rx_input_fifo_overflow + | |
301 | rxf_stats->rx_drops_no_pbuf; | |
6b7c5b94 SP |
302 | } |
303 | ||
8788fdc2 | 304 | void be_link_status_update(struct be_adapter *adapter, bool link_up) |
6b7c5b94 | 305 | { |
6b7c5b94 SP |
306 | struct net_device *netdev = adapter->netdev; |
307 | ||
6b7c5b94 | 308 | /* If link came up or went down */ |
a8f447bd | 309 | if (adapter->link_up != link_up) { |
0dffc83e | 310 | adapter->link_speed = -1; |
a8f447bd | 311 | if (link_up) { |
6b7c5b94 SP |
312 | netif_carrier_on(netdev); |
313 | printk(KERN_INFO "%s: Link up\n", netdev->name); | |
a8f447bd | 314 | } else { |
a8f447bd SP |
315 | netif_carrier_off(netdev); |
316 | printk(KERN_INFO "%s: Link down\n", netdev->name); | |
6b7c5b94 | 317 | } |
a8f447bd | 318 | adapter->link_up = link_up; |
6b7c5b94 | 319 | } |
6b7c5b94 SP |
320 | } |
321 | ||
322 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ | |
3abcdeda | 323 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 | 324 | { |
3abcdeda SP |
325 | struct be_eq_obj *rx_eq = &rxo->rx_eq; |
326 | struct be_rx_stats *stats = &rxo->stats; | |
4097f663 SP |
327 | ulong now = jiffies; |
328 | u32 eqd; | |
329 | ||
330 | if (!rx_eq->enable_aic) | |
331 | return; | |
332 | ||
333 | /* Wrapped around */ | |
334 | if (time_before(now, stats->rx_fps_jiffies)) { | |
335 | stats->rx_fps_jiffies = now; | |
336 | return; | |
337 | } | |
6b7c5b94 SP |
338 | |
339 | /* Update once a second */ | |
4097f663 | 340 | if ((now - stats->rx_fps_jiffies) < HZ) |
6b7c5b94 SP |
341 | return; |
342 | ||
3abcdeda | 343 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / |
4097f663 | 344 | ((now - stats->rx_fps_jiffies) / HZ); |
6b7c5b94 | 345 | |
4097f663 | 346 | stats->rx_fps_jiffies = now; |
3abcdeda SP |
347 | stats->prev_rx_frags = stats->rx_frags; |
348 | eqd = stats->rx_fps / 110000; | |
6b7c5b94 SP |
349 | eqd = eqd << 3; |
350 | if (eqd > rx_eq->max_eqd) | |
351 | eqd = rx_eq->max_eqd; | |
352 | if (eqd < rx_eq->min_eqd) | |
353 | eqd = rx_eq->min_eqd; | |
354 | if (eqd < 10) | |
355 | eqd = 0; | |
356 | if (eqd != rx_eq->cur_eqd) | |
8788fdc2 | 357 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); |
6b7c5b94 SP |
358 | |
359 | rx_eq->cur_eqd = eqd; | |
360 | } | |
361 | ||
65f71b8b SH |
362 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) |
363 | { | |
364 | u64 rate = bytes; | |
365 | ||
366 | do_div(rate, ticks / HZ); | |
367 | rate <<= 3; /* bytes/sec -> bits/sec */ | |
368 | do_div(rate, 1000000ul); /* MB/Sec */ | |
369 | ||
370 | return rate; | |
371 | } | |
372 | ||
4097f663 SP |
373 | static void be_tx_rate_update(struct be_adapter *adapter) |
374 | { | |
3abcdeda | 375 | struct be_tx_stats *stats = tx_stats(adapter); |
4097f663 SP |
376 | ulong now = jiffies; |
377 | ||
378 | /* Wrapped around? */ | |
379 | if (time_before(now, stats->be_tx_jiffies)) { | |
380 | stats->be_tx_jiffies = now; | |
381 | return; | |
382 | } | |
383 | ||
384 | /* Update tx rate once in two seconds */ | |
385 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { | |
65f71b8b SH |
386 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes |
387 | - stats->be_tx_bytes_prev, | |
388 | now - stats->be_tx_jiffies); | |
4097f663 SP |
389 | stats->be_tx_jiffies = now; |
390 | stats->be_tx_bytes_prev = stats->be_tx_bytes; | |
391 | } | |
392 | } | |
393 | ||
6b7c5b94 | 394 | static void be_tx_stats_update(struct be_adapter *adapter, |
91992e44 | 395 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 396 | { |
3abcdeda | 397 | struct be_tx_stats *stats = tx_stats(adapter); |
6b7c5b94 SP |
398 | stats->be_tx_reqs++; |
399 | stats->be_tx_wrbs += wrb_cnt; | |
400 | stats->be_tx_bytes += copied; | |
91992e44 | 401 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); |
6b7c5b94 SP |
402 | if (stopped) |
403 | stats->be_tx_stops++; | |
6b7c5b94 SP |
404 | } |
405 | ||
406 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
407 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
408 | bool *dummy) | |
6b7c5b94 | 409 | { |
ebc8d2ab DM |
410 | int cnt = (skb->len > skb->data_len); |
411 | ||
412 | cnt += skb_shinfo(skb)->nr_frags; | |
413 | ||
6b7c5b94 SP |
414 | /* to account for hdr wrb */ |
415 | cnt++; | |
fe6d2a38 SP |
416 | if (lancer_chip(adapter) || !(cnt & 1)) { |
417 | *dummy = false; | |
418 | } else { | |
6b7c5b94 SP |
419 | /* add a dummy to make it an even num */ |
420 | cnt++; | |
421 | *dummy = true; | |
fe6d2a38 | 422 | } |
6b7c5b94 SP |
423 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
424 | return cnt; | |
425 | } | |
426 | ||
427 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
428 | { | |
429 | wrb->frag_pa_hi = upper_32_bits(addr); | |
430 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
431 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
432 | } | |
433 | ||
cc4ce020 SK |
434 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
435 | struct sk_buff *skb, u32 wrb_cnt, u32 len) | |
6b7c5b94 | 436 | { |
cc4ce020 SK |
437 | u8 vlan_prio = 0; |
438 | u16 vlan_tag = 0; | |
439 | ||
6b7c5b94 SP |
440 | memset(hdr, 0, sizeof(*hdr)); |
441 | ||
442 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
443 | ||
49e4b847 | 444 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
445 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
446 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
447 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 448 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 449 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
fe6d2a38 SP |
450 | if (lancer_chip(adapter) && adapter->sli_family == |
451 | LANCER_A0_SLI_FAMILY) { | |
452 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); | |
453 | if (is_tcp_pkt(skb)) | |
454 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
455 | tcpcs, hdr, 1); | |
456 | else if (is_udp_pkt(skb)) | |
457 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
458 | udpcs, hdr, 1); | |
459 | } | |
6b7c5b94 SP |
460 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
461 | if (is_tcp_pkt(skb)) | |
462 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
463 | else if (is_udp_pkt(skb)) | |
464 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
465 | } | |
466 | ||
cc4ce020 | 467 | if (adapter->vlan_grp && vlan_tx_tag_present(skb)) { |
6b7c5b94 | 468 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
cc4ce020 SK |
469 | vlan_tag = vlan_tx_tag_get(skb); |
470 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
471 | /* If vlan priority provided by OS is NOT in available bmap */ | |
472 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
473 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
474 | adapter->recommended_prio; | |
475 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); | |
6b7c5b94 SP |
476 | } |
477 | ||
478 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); | |
479 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); | |
480 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); | |
481 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
482 | } | |
483 | ||
2b7bcebf | 484 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
7101e111 SP |
485 | bool unmap_single) |
486 | { | |
487 | dma_addr_t dma; | |
488 | ||
489 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
490 | ||
491 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 492 | if (wrb->frag_len) { |
7101e111 | 493 | if (unmap_single) |
2b7bcebf IV |
494 | dma_unmap_single(dev, dma, wrb->frag_len, |
495 | DMA_TO_DEVICE); | |
7101e111 | 496 | else |
2b7bcebf | 497 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
7101e111 SP |
498 | } |
499 | } | |
6b7c5b94 SP |
500 | |
501 | static int make_tx_wrbs(struct be_adapter *adapter, | |
502 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) | |
503 | { | |
7101e111 SP |
504 | dma_addr_t busaddr; |
505 | int i, copied = 0; | |
2b7bcebf | 506 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 SP |
507 | struct sk_buff *first_skb = skb; |
508 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
509 | struct be_eth_wrb *wrb; | |
510 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
511 | bool map_single = false; |
512 | u16 map_head; | |
6b7c5b94 | 513 | |
6b7c5b94 SP |
514 | hdr = queue_head_node(txq); |
515 | queue_head_inc(txq); | |
7101e111 | 516 | map_head = txq->head; |
6b7c5b94 | 517 | |
ebc8d2ab | 518 | if (skb->len > skb->data_len) { |
e743d313 | 519 | int len = skb_headlen(skb); |
2b7bcebf IV |
520 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
521 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 SP |
522 | goto dma_err; |
523 | map_single = true; | |
ebc8d2ab DM |
524 | wrb = queue_head_node(txq); |
525 | wrb_fill(wrb, busaddr, len); | |
526 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
527 | queue_head_inc(txq); | |
528 | copied += len; | |
529 | } | |
6b7c5b94 | 530 | |
ebc8d2ab DM |
531 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
532 | struct skb_frag_struct *frag = | |
533 | &skb_shinfo(skb)->frags[i]; | |
2b7bcebf IV |
534 | busaddr = dma_map_page(dev, frag->page, frag->page_offset, |
535 | frag->size, DMA_TO_DEVICE); | |
536 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 | 537 | goto dma_err; |
ebc8d2ab DM |
538 | wrb = queue_head_node(txq); |
539 | wrb_fill(wrb, busaddr, frag->size); | |
540 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
541 | queue_head_inc(txq); | |
542 | copied += frag->size; | |
6b7c5b94 SP |
543 | } |
544 | ||
545 | if (dummy_wrb) { | |
546 | wrb = queue_head_node(txq); | |
547 | wrb_fill(wrb, 0, 0); | |
548 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
549 | queue_head_inc(txq); | |
550 | } | |
551 | ||
cc4ce020 | 552 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
6b7c5b94 SP |
553 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
554 | ||
555 | return copied; | |
7101e111 SP |
556 | dma_err: |
557 | txq->head = map_head; | |
558 | while (copied) { | |
559 | wrb = queue_head_node(txq); | |
2b7bcebf | 560 | unmap_tx_frag(dev, wrb, map_single); |
7101e111 SP |
561 | map_single = false; |
562 | copied -= wrb->frag_len; | |
563 | queue_head_inc(txq); | |
564 | } | |
565 | return 0; | |
6b7c5b94 SP |
566 | } |
567 | ||
61357325 | 568 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
b31c50a7 | 569 | struct net_device *netdev) |
6b7c5b94 SP |
570 | { |
571 | struct be_adapter *adapter = netdev_priv(netdev); | |
572 | struct be_tx_obj *tx_obj = &adapter->tx_obj; | |
573 | struct be_queue_info *txq = &tx_obj->q; | |
574 | u32 wrb_cnt = 0, copied = 0; | |
575 | u32 start = txq->head; | |
576 | bool dummy_wrb, stopped = false; | |
577 | ||
fe6d2a38 | 578 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 SP |
579 | |
580 | copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb); | |
c190e3c8 AK |
581 | if (copied) { |
582 | /* record the sent skb in the sent_skb table */ | |
583 | BUG_ON(tx_obj->sent_skb_list[start]); | |
584 | tx_obj->sent_skb_list[start] = skb; | |
585 | ||
586 | /* Ensure txq has space for the next skb; Else stop the queue | |
587 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
588 | * tx compls of the current transmit which'll wake up the queue | |
589 | */ | |
7101e111 | 590 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
591 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
592 | txq->len) { | |
593 | netif_stop_queue(netdev); | |
594 | stopped = true; | |
595 | } | |
6b7c5b94 | 596 | |
c190e3c8 | 597 | be_txq_notify(adapter, txq->id, wrb_cnt); |
6b7c5b94 | 598 | |
91992e44 AK |
599 | be_tx_stats_update(adapter, wrb_cnt, copied, |
600 | skb_shinfo(skb)->gso_segs, stopped); | |
c190e3c8 AK |
601 | } else { |
602 | txq->head = start; | |
603 | dev_kfree_skb_any(skb); | |
6b7c5b94 | 604 | } |
6b7c5b94 SP |
605 | return NETDEV_TX_OK; |
606 | } | |
607 | ||
608 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
609 | { | |
610 | struct be_adapter *adapter = netdev_priv(netdev); | |
611 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
612 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
613 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
614 | dev_info(&adapter->pdev->dev, |
615 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
616 | BE_MIN_MTU, |
617 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
618 | return -EINVAL; |
619 | } | |
620 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
621 | netdev->mtu, new_mtu); | |
622 | netdev->mtu = new_mtu; | |
623 | return 0; | |
624 | } | |
625 | ||
626 | /* | |
82903e4b AK |
627 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
628 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 629 | */ |
1da87b7f | 630 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) |
6b7c5b94 | 631 | { |
6b7c5b94 SP |
632 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; |
633 | u16 ntags = 0, i; | |
82903e4b | 634 | int status = 0; |
1da87b7f AK |
635 | u32 if_handle; |
636 | ||
637 | if (vf) { | |
638 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; | |
639 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); | |
640 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); | |
641 | } | |
6b7c5b94 | 642 | |
82903e4b | 643 | if (adapter->vlans_added <= adapter->max_vlans) { |
6b7c5b94 | 644 | /* Construct VLAN Table to give to HW */ |
b738127d | 645 | for (i = 0; i < VLAN_N_VID; i++) { |
6b7c5b94 SP |
646 | if (adapter->vlan_tag[i]) { |
647 | vtag[ntags] = cpu_to_le16(i); | |
648 | ntags++; | |
649 | } | |
650 | } | |
b31c50a7 SP |
651 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
652 | vtag, ntags, 1, 0); | |
6b7c5b94 | 653 | } else { |
b31c50a7 SP |
654 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
655 | NULL, 0, 1, 1); | |
6b7c5b94 | 656 | } |
1da87b7f | 657 | |
b31c50a7 | 658 | return status; |
6b7c5b94 SP |
659 | } |
660 | ||
661 | static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) | |
662 | { | |
663 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 664 | |
6b7c5b94 | 665 | adapter->vlan_grp = grp; |
6b7c5b94 SP |
666 | } |
667 | ||
668 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) | |
669 | { | |
670 | struct be_adapter *adapter = netdev_priv(netdev); | |
671 | ||
1da87b7f | 672 | adapter->vlans_added++; |
ba343c77 SB |
673 | if (!be_physfn(adapter)) |
674 | return; | |
675 | ||
6b7c5b94 | 676 | adapter->vlan_tag[vid] = 1; |
82903e4b | 677 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
1da87b7f | 678 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
679 | } |
680 | ||
681 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) | |
682 | { | |
683 | struct be_adapter *adapter = netdev_priv(netdev); | |
684 | ||
1da87b7f AK |
685 | adapter->vlans_added--; |
686 | vlan_group_set_device(adapter->vlan_grp, vid, NULL); | |
687 | ||
ba343c77 SB |
688 | if (!be_physfn(adapter)) |
689 | return; | |
690 | ||
6b7c5b94 | 691 | adapter->vlan_tag[vid] = 0; |
82903e4b | 692 | if (adapter->vlans_added <= adapter->max_vlans) |
1da87b7f | 693 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
694 | } |
695 | ||
24307eef | 696 | static void be_set_multicast_list(struct net_device *netdev) |
6b7c5b94 SP |
697 | { |
698 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 699 | |
24307eef | 700 | if (netdev->flags & IFF_PROMISC) { |
8788fdc2 | 701 | be_cmd_promiscuous_config(adapter, adapter->port_num, 1); |
24307eef SP |
702 | adapter->promiscuous = true; |
703 | goto done; | |
6b7c5b94 SP |
704 | } |
705 | ||
25985edc | 706 | /* BE was previously in promiscuous mode; disable it */ |
24307eef SP |
707 | if (adapter->promiscuous) { |
708 | adapter->promiscuous = false; | |
8788fdc2 | 709 | be_cmd_promiscuous_config(adapter, adapter->port_num, 0); |
6b7c5b94 SP |
710 | } |
711 | ||
e7b909a6 | 712 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf JP |
713 | if (netdev->flags & IFF_ALLMULTI || |
714 | netdev_mc_count(netdev) > BE_MAX_MC) { | |
0ddf477b | 715 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, |
e7b909a6 | 716 | &adapter->mc_cmd_mem); |
24307eef | 717 | goto done; |
6b7c5b94 | 718 | } |
6b7c5b94 | 719 | |
0ddf477b | 720 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, |
f31e50a8 | 721 | &adapter->mc_cmd_mem); |
24307eef SP |
722 | done: |
723 | return; | |
6b7c5b94 SP |
724 | } |
725 | ||
ba343c77 SB |
726 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
727 | { | |
728 | struct be_adapter *adapter = netdev_priv(netdev); | |
729 | int status; | |
730 | ||
731 | if (!adapter->sriov_enabled) | |
732 | return -EPERM; | |
733 | ||
734 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) | |
735 | return -EINVAL; | |
736 | ||
64600ea5 AK |
737 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
738 | status = be_cmd_pmac_del(adapter, | |
739 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 740 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
ba343c77 | 741 | |
64600ea5 AK |
742 | status = be_cmd_pmac_add(adapter, mac, |
743 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 744 | &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
64600ea5 AK |
745 | |
746 | if (status) | |
ba343c77 SB |
747 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
748 | mac, vf); | |
64600ea5 AK |
749 | else |
750 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
751 | ||
ba343c77 SB |
752 | return status; |
753 | } | |
754 | ||
64600ea5 AK |
755 | static int be_get_vf_config(struct net_device *netdev, int vf, |
756 | struct ifla_vf_info *vi) | |
757 | { | |
758 | struct be_adapter *adapter = netdev_priv(netdev); | |
759 | ||
760 | if (!adapter->sriov_enabled) | |
761 | return -EPERM; | |
762 | ||
763 | if (vf >= num_vfs) | |
764 | return -EINVAL; | |
765 | ||
766 | vi->vf = vf; | |
e1d18735 | 767 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; |
1da87b7f | 768 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; |
64600ea5 AK |
769 | vi->qos = 0; |
770 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); | |
771 | ||
772 | return 0; | |
773 | } | |
774 | ||
1da87b7f AK |
775 | static int be_set_vf_vlan(struct net_device *netdev, |
776 | int vf, u16 vlan, u8 qos) | |
777 | { | |
778 | struct be_adapter *adapter = netdev_priv(netdev); | |
779 | int status = 0; | |
780 | ||
781 | if (!adapter->sriov_enabled) | |
782 | return -EPERM; | |
783 | ||
784 | if ((vf >= num_vfs) || (vlan > 4095)) | |
785 | return -EINVAL; | |
786 | ||
787 | if (vlan) { | |
788 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; | |
789 | adapter->vlans_added++; | |
790 | } else { | |
791 | adapter->vf_cfg[vf].vf_vlan_tag = 0; | |
792 | adapter->vlans_added--; | |
793 | } | |
794 | ||
795 | status = be_vid_config(adapter, true, vf); | |
796 | ||
797 | if (status) | |
798 | dev_info(&adapter->pdev->dev, | |
799 | "VLAN %d config on VF %d failed\n", vlan, vf); | |
800 | return status; | |
801 | } | |
802 | ||
e1d18735 AK |
803 | static int be_set_vf_tx_rate(struct net_device *netdev, |
804 | int vf, int rate) | |
805 | { | |
806 | struct be_adapter *adapter = netdev_priv(netdev); | |
807 | int status = 0; | |
808 | ||
809 | if (!adapter->sriov_enabled) | |
810 | return -EPERM; | |
811 | ||
812 | if ((vf >= num_vfs) || (rate < 0)) | |
813 | return -EINVAL; | |
814 | ||
815 | if (rate > 10000) | |
816 | rate = 10000; | |
817 | ||
818 | adapter->vf_cfg[vf].vf_tx_rate = rate; | |
856c4012 | 819 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
e1d18735 AK |
820 | |
821 | if (status) | |
822 | dev_info(&adapter->pdev->dev, | |
823 | "tx rate %d on VF %d failed\n", rate, vf); | |
824 | return status; | |
825 | } | |
826 | ||
3abcdeda | 827 | static void be_rx_rate_update(struct be_rx_obj *rxo) |
6b7c5b94 | 828 | { |
3abcdeda | 829 | struct be_rx_stats *stats = &rxo->stats; |
4097f663 | 830 | ulong now = jiffies; |
6b7c5b94 | 831 | |
4097f663 | 832 | /* Wrapped around */ |
3abcdeda SP |
833 | if (time_before(now, stats->rx_jiffies)) { |
834 | stats->rx_jiffies = now; | |
4097f663 SP |
835 | return; |
836 | } | |
6b7c5b94 SP |
837 | |
838 | /* Update the rate once in two seconds */ | |
3abcdeda | 839 | if ((now - stats->rx_jiffies) < 2 * HZ) |
6b7c5b94 SP |
840 | return; |
841 | ||
3abcdeda SP |
842 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, |
843 | now - stats->rx_jiffies); | |
844 | stats->rx_jiffies = now; | |
845 | stats->rx_bytes_prev = stats->rx_bytes; | |
6b7c5b94 SP |
846 | } |
847 | ||
3abcdeda | 848 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
2e588f84 | 849 | struct be_rx_compl_info *rxcp) |
4097f663 | 850 | { |
3abcdeda | 851 | struct be_rx_stats *stats = &rxo->stats; |
1ef78abe | 852 | |
3abcdeda | 853 | stats->rx_compl++; |
2e588f84 SP |
854 | stats->rx_frags += rxcp->num_rcvd; |
855 | stats->rx_bytes += rxcp->pkt_size; | |
3abcdeda | 856 | stats->rx_pkts++; |
2e588f84 | 857 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 858 | stats->rx_mcast_pkts++; |
2e588f84 SP |
859 | if (rxcp->err) |
860 | stats->rxcp_err++; | |
4097f663 SP |
861 | } |
862 | ||
2e588f84 | 863 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
728a9972 | 864 | { |
19fad86f PR |
865 | /* L4 checksum is not reliable for non TCP/UDP packets. |
866 | * Also ignore ipcksm for ipv6 pkts */ | |
2e588f84 SP |
867 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
868 | (rxcp->ip_csum || rxcp->ipv6); | |
728a9972 AK |
869 | } |
870 | ||
6b7c5b94 | 871 | static struct be_rx_page_info * |
3abcdeda SP |
872 | get_rx_page_info(struct be_adapter *adapter, |
873 | struct be_rx_obj *rxo, | |
874 | u16 frag_idx) | |
6b7c5b94 SP |
875 | { |
876 | struct be_rx_page_info *rx_page_info; | |
3abcdeda | 877 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 878 | |
3abcdeda | 879 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
880 | BUG_ON(!rx_page_info->page); |
881 | ||
205859a2 | 882 | if (rx_page_info->last_page_user) { |
2b7bcebf IV |
883 | dma_unmap_page(&adapter->pdev->dev, |
884 | dma_unmap_addr(rx_page_info, bus), | |
885 | adapter->big_page_size, DMA_FROM_DEVICE); | |
205859a2 AK |
886 | rx_page_info->last_page_user = false; |
887 | } | |
6b7c5b94 SP |
888 | |
889 | atomic_dec(&rxq->used); | |
890 | return rx_page_info; | |
891 | } | |
892 | ||
893 | /* Throwaway the data in the Rx completion */ | |
894 | static void be_rx_compl_discard(struct be_adapter *adapter, | |
3abcdeda | 895 | struct be_rx_obj *rxo, |
2e588f84 | 896 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 897 | { |
3abcdeda | 898 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 899 | struct be_rx_page_info *page_info; |
2e588f84 | 900 | u16 i, num_rcvd = rxcp->num_rcvd; |
6b7c5b94 | 901 | |
e80d9da6 | 902 | for (i = 0; i < num_rcvd; i++) { |
2e588f84 | 903 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
e80d9da6 PR |
904 | put_page(page_info->page); |
905 | memset(page_info, 0, sizeof(*page_info)); | |
2e588f84 | 906 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
907 | } |
908 | } | |
909 | ||
910 | /* | |
911 | * skb_fill_rx_data forms a complete skb for an ether frame | |
912 | * indicated by rxcp. | |
913 | */ | |
3abcdeda | 914 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, |
2e588f84 | 915 | struct sk_buff *skb, struct be_rx_compl_info *rxcp) |
6b7c5b94 | 916 | { |
3abcdeda | 917 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 918 | struct be_rx_page_info *page_info; |
2e588f84 SP |
919 | u16 i, j; |
920 | u16 hdr_len, curr_frag_len, remaining; | |
6b7c5b94 | 921 | u8 *start; |
6b7c5b94 | 922 | |
2e588f84 | 923 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
6b7c5b94 SP |
924 | start = page_address(page_info->page) + page_info->page_offset; |
925 | prefetch(start); | |
926 | ||
927 | /* Copy data in the first descriptor of this completion */ | |
2e588f84 | 928 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
6b7c5b94 SP |
929 | |
930 | /* Copy the header portion into skb_data */ | |
2e588f84 | 931 | hdr_len = min(BE_HDR_LEN, curr_frag_len); |
6b7c5b94 SP |
932 | memcpy(skb->data, start, hdr_len); |
933 | skb->len = curr_frag_len; | |
934 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
935 | /* Complete packet has now been moved to data */ | |
936 | put_page(page_info->page); | |
937 | skb->data_len = 0; | |
938 | skb->tail += curr_frag_len; | |
939 | } else { | |
940 | skb_shinfo(skb)->nr_frags = 1; | |
941 | skb_shinfo(skb)->frags[0].page = page_info->page; | |
942 | skb_shinfo(skb)->frags[0].page_offset = | |
943 | page_info->page_offset + hdr_len; | |
944 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; | |
945 | skb->data_len = curr_frag_len - hdr_len; | |
946 | skb->tail += hdr_len; | |
947 | } | |
205859a2 | 948 | page_info->page = NULL; |
6b7c5b94 | 949 | |
2e588f84 SP |
950 | if (rxcp->pkt_size <= rx_frag_size) { |
951 | BUG_ON(rxcp->num_rcvd != 1); | |
952 | return; | |
6b7c5b94 SP |
953 | } |
954 | ||
955 | /* More frags present for this completion */ | |
2e588f84 SP |
956 | index_inc(&rxcp->rxq_idx, rxq->len); |
957 | remaining = rxcp->pkt_size - curr_frag_len; | |
958 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { | |
959 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | |
960 | curr_frag_len = min(remaining, rx_frag_size); | |
6b7c5b94 | 961 | |
bd46cb6c AK |
962 | /* Coalesce all frags from the same physical page in one slot */ |
963 | if (page_info->page_offset == 0) { | |
964 | /* Fresh page */ | |
965 | j++; | |
966 | skb_shinfo(skb)->frags[j].page = page_info->page; | |
967 | skb_shinfo(skb)->frags[j].page_offset = | |
968 | page_info->page_offset; | |
969 | skb_shinfo(skb)->frags[j].size = 0; | |
970 | skb_shinfo(skb)->nr_frags++; | |
971 | } else { | |
972 | put_page(page_info->page); | |
973 | } | |
974 | ||
975 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | |
6b7c5b94 SP |
976 | skb->len += curr_frag_len; |
977 | skb->data_len += curr_frag_len; | |
6b7c5b94 | 978 | |
2e588f84 SP |
979 | remaining -= curr_frag_len; |
980 | index_inc(&rxcp->rxq_idx, rxq->len); | |
205859a2 | 981 | page_info->page = NULL; |
6b7c5b94 | 982 | } |
bd46cb6c | 983 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 SP |
984 | } |
985 | ||
5be93b9a | 986 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6b7c5b94 | 987 | static void be_rx_compl_process(struct be_adapter *adapter, |
3abcdeda | 988 | struct be_rx_obj *rxo, |
2e588f84 | 989 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 990 | { |
6332c8d3 | 991 | struct net_device *netdev = adapter->netdev; |
6b7c5b94 | 992 | struct sk_buff *skb; |
89420424 | 993 | |
6332c8d3 | 994 | skb = netdev_alloc_skb_ip_align(netdev, BE_HDR_LEN); |
a058a632 | 995 | if (unlikely(!skb)) { |
6b7c5b94 SP |
996 | if (net_ratelimit()) |
997 | dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); | |
3abcdeda | 998 | be_rx_compl_discard(adapter, rxo, rxcp); |
6b7c5b94 SP |
999 | return; |
1000 | } | |
1001 | ||
2e588f84 | 1002 | skb_fill_rx_data(adapter, rxo, skb, rxcp); |
6b7c5b94 | 1003 | |
6332c8d3 | 1004 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
728a9972 | 1005 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1006 | else |
1007 | skb_checksum_none_assert(skb); | |
6b7c5b94 SP |
1008 | |
1009 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
6332c8d3 | 1010 | skb->protocol = eth_type_trans(skb, netdev); |
4b972914 AK |
1011 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1012 | skb->rxhash = rxcp->rss_hash; | |
1013 | ||
6b7c5b94 | 1014 | |
2e588f84 | 1015 | if (unlikely(rxcp->vlanf)) { |
82903e4b | 1016 | if (!adapter->vlan_grp || adapter->vlans_added == 0) { |
6b7c5b94 SP |
1017 | kfree_skb(skb); |
1018 | return; | |
1019 | } | |
6709d952 SK |
1020 | vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, |
1021 | rxcp->vlan_tag); | |
6b7c5b94 SP |
1022 | } else { |
1023 | netif_receive_skb(skb); | |
1024 | } | |
6b7c5b94 SP |
1025 | } |
1026 | ||
5be93b9a AK |
1027 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
1028 | static void be_rx_compl_process_gro(struct be_adapter *adapter, | |
3abcdeda | 1029 | struct be_rx_obj *rxo, |
2e588f84 | 1030 | struct be_rx_compl_info *rxcp) |
6b7c5b94 SP |
1031 | { |
1032 | struct be_rx_page_info *page_info; | |
5be93b9a | 1033 | struct sk_buff *skb = NULL; |
3abcdeda SP |
1034 | struct be_queue_info *rxq = &rxo->q; |
1035 | struct be_eq_obj *eq_obj = &rxo->rx_eq; | |
2e588f84 SP |
1036 | u16 remaining, curr_frag_len; |
1037 | u16 i, j; | |
3968fa1e | 1038 | |
5be93b9a AK |
1039 | skb = napi_get_frags(&eq_obj->napi); |
1040 | if (!skb) { | |
3abcdeda | 1041 | be_rx_compl_discard(adapter, rxo, rxcp); |
5be93b9a AK |
1042 | return; |
1043 | } | |
1044 | ||
2e588f84 SP |
1045 | remaining = rxcp->pkt_size; |
1046 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { | |
1047 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | |
6b7c5b94 SP |
1048 | |
1049 | curr_frag_len = min(remaining, rx_frag_size); | |
1050 | ||
bd46cb6c AK |
1051 | /* Coalesce all frags from the same physical page in one slot */ |
1052 | if (i == 0 || page_info->page_offset == 0) { | |
1053 | /* First frag or Fresh page */ | |
1054 | j++; | |
5be93b9a AK |
1055 | skb_shinfo(skb)->frags[j].page = page_info->page; |
1056 | skb_shinfo(skb)->frags[j].page_offset = | |
1057 | page_info->page_offset; | |
1058 | skb_shinfo(skb)->frags[j].size = 0; | |
bd46cb6c AK |
1059 | } else { |
1060 | put_page(page_info->page); | |
1061 | } | |
5be93b9a | 1062 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
6b7c5b94 | 1063 | |
bd46cb6c | 1064 | remaining -= curr_frag_len; |
2e588f84 | 1065 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1066 | memset(page_info, 0, sizeof(*page_info)); |
1067 | } | |
bd46cb6c | 1068 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1069 | |
5be93b9a | 1070 | skb_shinfo(skb)->nr_frags = j + 1; |
2e588f84 SP |
1071 | skb->len = rxcp->pkt_size; |
1072 | skb->data_len = rxcp->pkt_size; | |
1073 | skb->truesize += rxcp->pkt_size; | |
5be93b9a | 1074 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
4b972914 AK |
1075 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1076 | skb->rxhash = rxcp->rss_hash; | |
5be93b9a | 1077 | |
2e588f84 | 1078 | if (likely(!rxcp->vlanf)) |
5be93b9a | 1079 | napi_gro_frags(&eq_obj->napi); |
2e588f84 | 1080 | else |
6709d952 SK |
1081 | vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, |
1082 | rxcp->vlan_tag); | |
2e588f84 SP |
1083 | } |
1084 | ||
1085 | static void be_parse_rx_compl_v1(struct be_adapter *adapter, | |
1086 | struct be_eth_rx_compl *compl, | |
1087 | struct be_rx_compl_info *rxcp) | |
1088 | { | |
1089 | rxcp->pkt_size = | |
1090 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); | |
1091 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); | |
1092 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); | |
1093 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); | |
9ecb42fd | 1094 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); |
2e588f84 SP |
1095 | rxcp->ip_csum = |
1096 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); | |
1097 | rxcp->l4_csum = | |
1098 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); | |
1099 | rxcp->ipv6 = | |
1100 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); | |
1101 | rxcp->rxq_idx = | |
1102 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); | |
1103 | rxcp->num_rcvd = | |
1104 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); | |
1105 | rxcp->pkt_type = | |
1106 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); | |
4b972914 AK |
1107 | rxcp->rss_hash = |
1108 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, rxcp); | |
15d72184 SP |
1109 | if (rxcp->vlanf) { |
1110 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, | |
3c709f8f DM |
1111 | compl); |
1112 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, | |
1113 | compl); | |
15d72184 | 1114 | } |
2e588f84 SP |
1115 | } |
1116 | ||
1117 | static void be_parse_rx_compl_v0(struct be_adapter *adapter, | |
1118 | struct be_eth_rx_compl *compl, | |
1119 | struct be_rx_compl_info *rxcp) | |
1120 | { | |
1121 | rxcp->pkt_size = | |
1122 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); | |
1123 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); | |
1124 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); | |
1125 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); | |
9ecb42fd | 1126 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); |
2e588f84 SP |
1127 | rxcp->ip_csum = |
1128 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); | |
1129 | rxcp->l4_csum = | |
1130 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); | |
1131 | rxcp->ipv6 = | |
1132 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); | |
1133 | rxcp->rxq_idx = | |
1134 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); | |
1135 | rxcp->num_rcvd = | |
1136 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); | |
1137 | rxcp->pkt_type = | |
1138 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); | |
4b972914 AK |
1139 | rxcp->rss_hash = |
1140 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, rxcp); | |
15d72184 SP |
1141 | if (rxcp->vlanf) { |
1142 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, | |
3c709f8f DM |
1143 | compl); |
1144 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, | |
1145 | compl); | |
15d72184 | 1146 | } |
2e588f84 SP |
1147 | } |
1148 | ||
1149 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) | |
1150 | { | |
1151 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); | |
1152 | struct be_rx_compl_info *rxcp = &rxo->rxcp; | |
1153 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1154 | |
2e588f84 SP |
1155 | /* For checking the valid bit it is Ok to use either definition as the |
1156 | * valid bit is at the same position in both v0 and v1 Rx compl */ | |
1157 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) | |
1158 | return NULL; | |
6b7c5b94 | 1159 | |
2e588f84 SP |
1160 | rmb(); |
1161 | be_dws_le_to_cpu(compl, sizeof(*compl)); | |
6b7c5b94 | 1162 | |
2e588f84 SP |
1163 | if (adapter->be3_native) |
1164 | be_parse_rx_compl_v1(adapter, compl, rxcp); | |
1165 | else | |
1166 | be_parse_rx_compl_v0(adapter, compl, rxcp); | |
6b7c5b94 | 1167 | |
15d72184 SP |
1168 | if (rxcp->vlanf) { |
1169 | /* vlanf could be wrongly set in some cards. | |
1170 | * ignore if vtm is not set */ | |
1171 | if ((adapter->function_mode & 0x400) && !rxcp->vtm) | |
1172 | rxcp->vlanf = 0; | |
6b7c5b94 | 1173 | |
15d72184 | 1174 | if (!lancer_chip(adapter)) |
3c709f8f | 1175 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
6b7c5b94 | 1176 | |
3c709f8f DM |
1177 | if (((adapter->pvid & VLAN_VID_MASK) == |
1178 | (rxcp->vlan_tag & VLAN_VID_MASK)) && | |
1179 | !adapter->vlan_tag[rxcp->vlan_tag]) | |
15d72184 SP |
1180 | rxcp->vlanf = 0; |
1181 | } | |
2e588f84 SP |
1182 | |
1183 | /* As the compl has been parsed, reset it; we wont touch it again */ | |
1184 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; | |
6b7c5b94 | 1185 | |
3abcdeda | 1186 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1187 | return rxcp; |
1188 | } | |
1189 | ||
1829b086 | 1190 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
6b7c5b94 | 1191 | { |
6b7c5b94 | 1192 | u32 order = get_order(size); |
1829b086 | 1193 | |
6b7c5b94 | 1194 | if (order > 0) |
1829b086 ED |
1195 | gfp |= __GFP_COMP; |
1196 | return alloc_pages(gfp, order); | |
6b7c5b94 SP |
1197 | } |
1198 | ||
1199 | /* | |
1200 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1201 | * receive buffers to BE | |
1202 | */ | |
1829b086 | 1203 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) |
6b7c5b94 | 1204 | { |
3abcdeda SP |
1205 | struct be_adapter *adapter = rxo->adapter; |
1206 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; | |
26d92f92 | 1207 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1208 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
1209 | struct page *pagep = NULL; |
1210 | struct be_eth_rx_d *rxd; | |
1211 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1212 | u32 posted, page_offset = 0; | |
1213 | ||
3abcdeda | 1214 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1215 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1216 | if (!pagep) { | |
1829b086 | 1217 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
6b7c5b94 | 1218 | if (unlikely(!pagep)) { |
3abcdeda | 1219 | rxo->stats.rx_post_fail++; |
6b7c5b94 SP |
1220 | break; |
1221 | } | |
2b7bcebf IV |
1222 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
1223 | 0, adapter->big_page_size, | |
1224 | DMA_FROM_DEVICE); | |
6b7c5b94 SP |
1225 | page_info->page_offset = 0; |
1226 | } else { | |
1227 | get_page(pagep); | |
1228 | page_info->page_offset = page_offset + rx_frag_size; | |
1229 | } | |
1230 | page_offset = page_info->page_offset; | |
1231 | page_info->page = pagep; | |
fac6da5b | 1232 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1233 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1234 | ||
1235 | rxd = queue_head_node(rxq); | |
1236 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1237 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1238 | |
1239 | /* Any space left in the current big page for another frag? */ | |
1240 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1241 | adapter->big_page_size) { | |
1242 | pagep = NULL; | |
1243 | page_info->last_page_user = true; | |
1244 | } | |
26d92f92 SP |
1245 | |
1246 | prev_page_info = page_info; | |
1247 | queue_head_inc(rxq); | |
6b7c5b94 SP |
1248 | page_info = &page_info_tbl[rxq->head]; |
1249 | } | |
1250 | if (pagep) | |
26d92f92 | 1251 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1252 | |
1253 | if (posted) { | |
6b7c5b94 | 1254 | atomic_add(posted, &rxq->used); |
8788fdc2 | 1255 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1256 | } else if (atomic_read(&rxq->used) == 0) { |
1257 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1258 | rxo->rx_post_starved = true; |
6b7c5b94 | 1259 | } |
6b7c5b94 SP |
1260 | } |
1261 | ||
5fb379ee | 1262 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1263 | { |
6b7c5b94 SP |
1264 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1265 | ||
1266 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1267 | return NULL; | |
1268 | ||
f3eb62d2 | 1269 | rmb(); |
6b7c5b94 SP |
1270 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1271 | ||
1272 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1273 | ||
1274 | queue_tail_inc(tx_cq); | |
1275 | return txcp; | |
1276 | } | |
1277 | ||
1278 | static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) | |
1279 | { | |
1280 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
a73b796e | 1281 | struct be_eth_wrb *wrb; |
6b7c5b94 SP |
1282 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1283 | struct sk_buff *sent_skb; | |
ec43b1a6 SP |
1284 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1285 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1286 | |
ec43b1a6 | 1287 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1288 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1289 | sent_skbs[txq->tail] = NULL; |
1290 | ||
1291 | /* skip header wrb */ | |
a73b796e | 1292 | queue_tail_inc(txq); |
6b7c5b94 | 1293 | |
ec43b1a6 | 1294 | do { |
6b7c5b94 | 1295 | cur_index = txq->tail; |
a73b796e | 1296 | wrb = queue_tail_node(txq); |
2b7bcebf IV |
1297 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
1298 | (unmap_skb_hdr && skb_headlen(sent_skb))); | |
ec43b1a6 SP |
1299 | unmap_skb_hdr = false; |
1300 | ||
6b7c5b94 SP |
1301 | num_wrbs++; |
1302 | queue_tail_inc(txq); | |
ec43b1a6 | 1303 | } while (cur_index != last_index); |
6b7c5b94 SP |
1304 | |
1305 | atomic_sub(num_wrbs, &txq->used); | |
a73b796e | 1306 | |
6b7c5b94 SP |
1307 | kfree_skb(sent_skb); |
1308 | } | |
1309 | ||
859b1e4e SP |
1310 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) |
1311 | { | |
1312 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | |
1313 | ||
1314 | if (!eqe->evt) | |
1315 | return NULL; | |
1316 | ||
f3eb62d2 | 1317 | rmb(); |
859b1e4e SP |
1318 | eqe->evt = le32_to_cpu(eqe->evt); |
1319 | queue_tail_inc(&eq_obj->q); | |
1320 | return eqe; | |
1321 | } | |
1322 | ||
1323 | static int event_handle(struct be_adapter *adapter, | |
1324 | struct be_eq_obj *eq_obj) | |
1325 | { | |
1326 | struct be_eq_entry *eqe; | |
1327 | u16 num = 0; | |
1328 | ||
1329 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1330 | eqe->evt = 0; | |
1331 | num++; | |
1332 | } | |
1333 | ||
1334 | /* Deal with any spurious interrupts that come | |
1335 | * without events | |
1336 | */ | |
1337 | be_eq_notify(adapter, eq_obj->q.id, true, true, num); | |
1338 | if (num) | |
1339 | napi_schedule(&eq_obj->napi); | |
1340 | ||
1341 | return num; | |
1342 | } | |
1343 | ||
1344 | /* Just read and notify events without processing them. | |
1345 | * Used at the time of destroying event queues */ | |
1346 | static void be_eq_clean(struct be_adapter *adapter, | |
1347 | struct be_eq_obj *eq_obj) | |
1348 | { | |
1349 | struct be_eq_entry *eqe; | |
1350 | u16 num = 0; | |
1351 | ||
1352 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1353 | eqe->evt = 0; | |
1354 | num++; | |
1355 | } | |
1356 | ||
1357 | if (num) | |
1358 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); | |
1359 | } | |
1360 | ||
3abcdeda | 1361 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 SP |
1362 | { |
1363 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1364 | struct be_queue_info *rxq = &rxo->q; |
1365 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1366 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
1367 | u16 tail; |
1368 | ||
1369 | /* First cleanup pending rx completions */ | |
3abcdeda SP |
1370 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { |
1371 | be_rx_compl_discard(adapter, rxo, rxcp); | |
64642811 | 1372 | be_cq_notify(adapter, rx_cq->id, false, 1); |
6b7c5b94 SP |
1373 | } |
1374 | ||
1375 | /* Then free posted rx buffer that were not used */ | |
1376 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; | |
cdab23b7 | 1377 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
3abcdeda | 1378 | page_info = get_rx_page_info(adapter, rxo, tail); |
6b7c5b94 SP |
1379 | put_page(page_info->page); |
1380 | memset(page_info, 0, sizeof(*page_info)); | |
1381 | } | |
1382 | BUG_ON(atomic_read(&rxq->used)); | |
1383 | } | |
1384 | ||
a8e9179a | 1385 | static void be_tx_compl_clean(struct be_adapter *adapter) |
6b7c5b94 | 1386 | { |
a8e9179a | 1387 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; |
6b7c5b94 | 1388 | struct be_queue_info *txq = &adapter->tx_obj.q; |
a8e9179a SP |
1389 | struct be_eth_tx_compl *txcp; |
1390 | u16 end_idx, cmpl = 0, timeo = 0; | |
b03388d6 SP |
1391 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1392 | struct sk_buff *sent_skb; | |
1393 | bool dummy_wrb; | |
a8e9179a SP |
1394 | |
1395 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1396 | do { | |
1397 | while ((txcp = be_tx_compl_get(tx_cq))) { | |
1398 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1399 | wrb_index, txcp); | |
1400 | be_tx_compl_process(adapter, end_idx); | |
1401 | cmpl++; | |
1402 | } | |
1403 | if (cmpl) { | |
1404 | be_cq_notify(adapter, tx_cq->id, false, cmpl); | |
1405 | cmpl = 0; | |
1406 | } | |
1407 | ||
1408 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) | |
1409 | break; | |
1410 | ||
1411 | mdelay(1); | |
1412 | } while (true); | |
1413 | ||
1414 | if (atomic_read(&txq->used)) | |
1415 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", | |
1416 | atomic_read(&txq->used)); | |
b03388d6 SP |
1417 | |
1418 | /* free posted tx for which compls will never arrive */ | |
1419 | while (atomic_read(&txq->used)) { | |
1420 | sent_skb = sent_skbs[txq->tail]; | |
1421 | end_idx = txq->tail; | |
1422 | index_adv(&end_idx, | |
fe6d2a38 SP |
1423 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, |
1424 | txq->len); | |
b03388d6 SP |
1425 | be_tx_compl_process(adapter, end_idx); |
1426 | } | |
6b7c5b94 SP |
1427 | } |
1428 | ||
5fb379ee SP |
1429 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
1430 | { | |
1431 | struct be_queue_info *q; | |
5fb379ee | 1432 | |
8788fdc2 | 1433 | q = &adapter->mcc_obj.q; |
5fb379ee | 1434 | if (q->created) |
8788fdc2 | 1435 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
1436 | be_queue_free(adapter, q); |
1437 | ||
8788fdc2 | 1438 | q = &adapter->mcc_obj.cq; |
5fb379ee | 1439 | if (q->created) |
8788fdc2 | 1440 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
1441 | be_queue_free(adapter, q); |
1442 | } | |
1443 | ||
1444 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
1445 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
1446 | { | |
1447 | struct be_queue_info *q, *cq; | |
5fb379ee SP |
1448 | |
1449 | /* Alloc MCC compl queue */ | |
8788fdc2 | 1450 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 1451 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 1452 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
1453 | goto err; |
1454 | ||
1455 | /* Ask BE to create MCC compl queue; share TX's eq */ | |
8788fdc2 | 1456 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) |
5fb379ee SP |
1457 | goto mcc_cq_free; |
1458 | ||
1459 | /* Alloc MCC queue */ | |
8788fdc2 | 1460 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
1461 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
1462 | goto mcc_cq_destroy; | |
1463 | ||
1464 | /* Ask BE to create MCC queue */ | |
8788fdc2 | 1465 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
1466 | goto mcc_q_free; |
1467 | ||
1468 | return 0; | |
1469 | ||
1470 | mcc_q_free: | |
1471 | be_queue_free(adapter, q); | |
1472 | mcc_cq_destroy: | |
8788fdc2 | 1473 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
1474 | mcc_cq_free: |
1475 | be_queue_free(adapter, cq); | |
1476 | err: | |
1477 | return -1; | |
1478 | } | |
1479 | ||
6b7c5b94 SP |
1480 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
1481 | { | |
1482 | struct be_queue_info *q; | |
1483 | ||
1484 | q = &adapter->tx_obj.q; | |
a8e9179a | 1485 | if (q->created) |
8788fdc2 | 1486 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
6b7c5b94 SP |
1487 | be_queue_free(adapter, q); |
1488 | ||
1489 | q = &adapter->tx_obj.cq; | |
1490 | if (q->created) | |
8788fdc2 | 1491 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
6b7c5b94 SP |
1492 | be_queue_free(adapter, q); |
1493 | ||
859b1e4e SP |
1494 | /* Clear any residual events */ |
1495 | be_eq_clean(adapter, &adapter->tx_eq); | |
1496 | ||
6b7c5b94 SP |
1497 | q = &adapter->tx_eq.q; |
1498 | if (q->created) | |
8788fdc2 | 1499 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
6b7c5b94 SP |
1500 | be_queue_free(adapter, q); |
1501 | } | |
1502 | ||
1503 | static int be_tx_queues_create(struct be_adapter *adapter) | |
1504 | { | |
1505 | struct be_queue_info *eq, *q, *cq; | |
1506 | ||
1507 | adapter->tx_eq.max_eqd = 0; | |
1508 | adapter->tx_eq.min_eqd = 0; | |
1509 | adapter->tx_eq.cur_eqd = 96; | |
1510 | adapter->tx_eq.enable_aic = false; | |
1511 | /* Alloc Tx Event queue */ | |
1512 | eq = &adapter->tx_eq.q; | |
1513 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry))) | |
1514 | return -1; | |
1515 | ||
1516 | /* Ask BE to create Tx Event queue */ | |
8788fdc2 | 1517 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) |
6b7c5b94 | 1518 | goto tx_eq_free; |
fe6d2a38 | 1519 | |
ecd62107 | 1520 | adapter->tx_eq.eq_idx = adapter->eq_next_idx++; |
fe6d2a38 | 1521 | |
ba343c77 | 1522 | |
6b7c5b94 SP |
1523 | /* Alloc TX eth compl queue */ |
1524 | cq = &adapter->tx_obj.cq; | |
1525 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
1526 | sizeof(struct be_eth_tx_compl))) | |
1527 | goto tx_eq_destroy; | |
1528 | ||
1529 | /* Ask BE to create Tx eth compl queue */ | |
8788fdc2 | 1530 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) |
6b7c5b94 SP |
1531 | goto tx_cq_free; |
1532 | ||
1533 | /* Alloc TX eth queue */ | |
1534 | q = &adapter->tx_obj.q; | |
1535 | if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb))) | |
1536 | goto tx_cq_destroy; | |
1537 | ||
1538 | /* Ask BE to create Tx eth queue */ | |
8788fdc2 | 1539 | if (be_cmd_txq_create(adapter, q, cq)) |
6b7c5b94 SP |
1540 | goto tx_q_free; |
1541 | return 0; | |
1542 | ||
1543 | tx_q_free: | |
1544 | be_queue_free(adapter, q); | |
1545 | tx_cq_destroy: | |
8788fdc2 | 1546 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
6b7c5b94 SP |
1547 | tx_cq_free: |
1548 | be_queue_free(adapter, cq); | |
1549 | tx_eq_destroy: | |
8788fdc2 | 1550 | be_cmd_q_destroy(adapter, eq, QTYPE_EQ); |
6b7c5b94 SP |
1551 | tx_eq_free: |
1552 | be_queue_free(adapter, eq); | |
1553 | return -1; | |
1554 | } | |
1555 | ||
1556 | static void be_rx_queues_destroy(struct be_adapter *adapter) | |
1557 | { | |
1558 | struct be_queue_info *q; | |
3abcdeda SP |
1559 | struct be_rx_obj *rxo; |
1560 | int i; | |
1561 | ||
1562 | for_all_rx_queues(adapter, rxo, i) { | |
1563 | q = &rxo->q; | |
1564 | if (q->created) { | |
1565 | be_cmd_q_destroy(adapter, q, QTYPE_RXQ); | |
1566 | /* After the rxq is invalidated, wait for a grace time | |
1567 | * of 1ms for all dma to end and the flush compl to | |
1568 | * arrive | |
1569 | */ | |
1570 | mdelay(1); | |
1571 | be_rx_q_clean(adapter, rxo); | |
1572 | } | |
1573 | be_queue_free(adapter, q); | |
1574 | ||
1575 | q = &rxo->cq; | |
1576 | if (q->created) | |
1577 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
1578 | be_queue_free(adapter, q); | |
1579 | ||
1580 | /* Clear any residual events */ | |
1581 | q = &rxo->rx_eq.q; | |
1582 | if (q->created) { | |
1583 | be_eq_clean(adapter, &rxo->rx_eq); | |
1584 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | |
1585 | } | |
1586 | be_queue_free(adapter, q); | |
6b7c5b94 | 1587 | } |
6b7c5b94 SP |
1588 | } |
1589 | ||
ac6a0c4a SP |
1590 | static u32 be_num_rxqs_want(struct be_adapter *adapter) |
1591 | { | |
1592 | if (multi_rxq && (adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | |
1593 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { | |
1594 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ | |
1595 | } else { | |
1596 | dev_warn(&adapter->pdev->dev, | |
1597 | "No support for multiple RX queues\n"); | |
1598 | return 1; | |
1599 | } | |
1600 | } | |
1601 | ||
6b7c5b94 SP |
1602 | static int be_rx_queues_create(struct be_adapter *adapter) |
1603 | { | |
1604 | struct be_queue_info *eq, *q, *cq; | |
3abcdeda SP |
1605 | struct be_rx_obj *rxo; |
1606 | int rc, i; | |
6b7c5b94 | 1607 | |
ac6a0c4a SP |
1608 | adapter->num_rx_qs = min(be_num_rxqs_want(adapter), |
1609 | msix_enabled(adapter) ? | |
1610 | adapter->num_msix_vec - 1 : 1); | |
1611 | if (adapter->num_rx_qs != MAX_RX_QS) | |
1612 | dev_warn(&adapter->pdev->dev, | |
1613 | "Can create only %d RX queues", adapter->num_rx_qs); | |
1614 | ||
6b7c5b94 | 1615 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
1616 | for_all_rx_queues(adapter, rxo, i) { |
1617 | rxo->adapter = adapter; | |
1618 | rxo->rx_eq.max_eqd = BE_MAX_EQD; | |
1619 | rxo->rx_eq.enable_aic = true; | |
1620 | ||
1621 | /* EQ */ | |
1622 | eq = &rxo->rx_eq.q; | |
1623 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
1624 | sizeof(struct be_eq_entry)); | |
1625 | if (rc) | |
1626 | goto err; | |
1627 | ||
1628 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); | |
1629 | if (rc) | |
1630 | goto err; | |
1631 | ||
ecd62107 | 1632 | rxo->rx_eq.eq_idx = adapter->eq_next_idx++; |
fe6d2a38 | 1633 | |
3abcdeda SP |
1634 | /* CQ */ |
1635 | cq = &rxo->cq; | |
1636 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
1637 | sizeof(struct be_eth_rx_compl)); | |
1638 | if (rc) | |
1639 | goto err; | |
1640 | ||
1641 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); | |
1642 | if (rc) | |
1643 | goto err; | |
3abcdeda SP |
1644 | /* Rx Q */ |
1645 | q = &rxo->q; | |
1646 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, | |
1647 | sizeof(struct be_eth_rx_d)); | |
1648 | if (rc) | |
1649 | goto err; | |
1650 | ||
1651 | rc = be_cmd_rxq_create(adapter, q, cq->id, rx_frag_size, | |
1652 | BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, | |
1653 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); | |
1654 | if (rc) | |
1655 | goto err; | |
1656 | } | |
1657 | ||
1658 | if (be_multi_rxq(adapter)) { | |
1659 | u8 rsstable[MAX_RSS_QS]; | |
1660 | ||
1661 | for_all_rss_queues(adapter, rxo, i) | |
1662 | rsstable[i] = rxo->rss_id; | |
1663 | ||
1664 | rc = be_cmd_rss_config(adapter, rsstable, | |
1665 | adapter->num_rx_qs - 1); | |
1666 | if (rc) | |
1667 | goto err; | |
1668 | } | |
6b7c5b94 SP |
1669 | |
1670 | return 0; | |
3abcdeda SP |
1671 | err: |
1672 | be_rx_queues_destroy(adapter); | |
1673 | return -1; | |
6b7c5b94 | 1674 | } |
6b7c5b94 | 1675 | |
fe6d2a38 | 1676 | static bool event_peek(struct be_eq_obj *eq_obj) |
b628bde2 | 1677 | { |
fe6d2a38 SP |
1678 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
1679 | if (!eqe->evt) | |
1680 | return false; | |
1681 | else | |
1682 | return true; | |
b628bde2 SP |
1683 | } |
1684 | ||
6b7c5b94 SP |
1685 | static irqreturn_t be_intx(int irq, void *dev) |
1686 | { | |
1687 | struct be_adapter *adapter = dev; | |
3abcdeda | 1688 | struct be_rx_obj *rxo; |
fe6d2a38 | 1689 | int isr, i, tx = 0 , rx = 0; |
6b7c5b94 | 1690 | |
fe6d2a38 SP |
1691 | if (lancer_chip(adapter)) { |
1692 | if (event_peek(&adapter->tx_eq)) | |
1693 | tx = event_handle(adapter, &adapter->tx_eq); | |
1694 | for_all_rx_queues(adapter, rxo, i) { | |
1695 | if (event_peek(&rxo->rx_eq)) | |
1696 | rx |= event_handle(adapter, &rxo->rx_eq); | |
1697 | } | |
6b7c5b94 | 1698 | |
fe6d2a38 SP |
1699 | if (!(tx || rx)) |
1700 | return IRQ_NONE; | |
3abcdeda | 1701 | |
fe6d2a38 SP |
1702 | } else { |
1703 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + | |
1704 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); | |
1705 | if (!isr) | |
1706 | return IRQ_NONE; | |
1707 | ||
ecd62107 | 1708 | if ((1 << adapter->tx_eq.eq_idx & isr)) |
fe6d2a38 SP |
1709 | event_handle(adapter, &adapter->tx_eq); |
1710 | ||
1711 | for_all_rx_queues(adapter, rxo, i) { | |
ecd62107 | 1712 | if ((1 << rxo->rx_eq.eq_idx & isr)) |
fe6d2a38 SP |
1713 | event_handle(adapter, &rxo->rx_eq); |
1714 | } | |
3abcdeda | 1715 | } |
c001c213 | 1716 | |
8788fdc2 | 1717 | return IRQ_HANDLED; |
6b7c5b94 SP |
1718 | } |
1719 | ||
1720 | static irqreturn_t be_msix_rx(int irq, void *dev) | |
1721 | { | |
3abcdeda SP |
1722 | struct be_rx_obj *rxo = dev; |
1723 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1724 | |
3abcdeda | 1725 | event_handle(adapter, &rxo->rx_eq); |
6b7c5b94 SP |
1726 | |
1727 | return IRQ_HANDLED; | |
1728 | } | |
1729 | ||
5fb379ee | 1730 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) |
6b7c5b94 SP |
1731 | { |
1732 | struct be_adapter *adapter = dev; | |
1733 | ||
8788fdc2 | 1734 | event_handle(adapter, &adapter->tx_eq); |
6b7c5b94 SP |
1735 | |
1736 | return IRQ_HANDLED; | |
1737 | } | |
1738 | ||
2e588f84 | 1739 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1740 | { |
2e588f84 | 1741 | return (rxcp->tcpf && !rxcp->err) ? true : false; |
6b7c5b94 SP |
1742 | } |
1743 | ||
49b05221 | 1744 | static int be_poll_rx(struct napi_struct *napi, int budget) |
6b7c5b94 SP |
1745 | { |
1746 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); | |
3abcdeda SP |
1747 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); |
1748 | struct be_adapter *adapter = rxo->adapter; | |
1749 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1750 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
1751 | u32 work_done; |
1752 | ||
3abcdeda | 1753 | rxo->stats.rx_polls++; |
6b7c5b94 | 1754 | for (work_done = 0; work_done < budget; work_done++) { |
3abcdeda | 1755 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
1756 | if (!rxcp) |
1757 | break; | |
1758 | ||
e80d9da6 | 1759 | /* Ignore flush completions */ |
2e588f84 SP |
1760 | if (rxcp->num_rcvd) { |
1761 | if (do_gro(rxcp)) | |
64642811 SP |
1762 | be_rx_compl_process_gro(adapter, rxo, rxcp); |
1763 | else | |
1764 | be_rx_compl_process(adapter, rxo, rxcp); | |
1765 | } | |
2e588f84 | 1766 | be_rx_stats_update(rxo, rxcp); |
6b7c5b94 SP |
1767 | } |
1768 | ||
6b7c5b94 | 1769 | /* Refill the queue */ |
3abcdeda | 1770 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
1829b086 | 1771 | be_post_rx_frags(rxo, GFP_ATOMIC); |
6b7c5b94 SP |
1772 | |
1773 | /* All consumed */ | |
1774 | if (work_done < budget) { | |
1775 | napi_complete(napi); | |
8788fdc2 | 1776 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
6b7c5b94 SP |
1777 | } else { |
1778 | /* More to be consumed; continue with interrupts disabled */ | |
8788fdc2 | 1779 | be_cq_notify(adapter, rx_cq->id, false, work_done); |
6b7c5b94 SP |
1780 | } |
1781 | return work_done; | |
1782 | } | |
1783 | ||
f31e50a8 SP |
1784 | /* As TX and MCC share the same EQ check for both TX and MCC completions. |
1785 | * For TX/MCC we don't honour budget; consume everything | |
1786 | */ | |
1787 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) | |
6b7c5b94 | 1788 | { |
f31e50a8 SP |
1789 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); |
1790 | struct be_adapter *adapter = | |
1791 | container_of(tx_eq, struct be_adapter, tx_eq); | |
5fb379ee SP |
1792 | struct be_queue_info *txq = &adapter->tx_obj.q; |
1793 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; | |
6b7c5b94 | 1794 | struct be_eth_tx_compl *txcp; |
f31e50a8 | 1795 | int tx_compl = 0, mcc_compl, status = 0; |
6b7c5b94 SP |
1796 | u16 end_idx; |
1797 | ||
5fb379ee | 1798 | while ((txcp = be_tx_compl_get(tx_cq))) { |
6b7c5b94 | 1799 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, |
f31e50a8 | 1800 | wrb_index, txcp); |
6b7c5b94 | 1801 | be_tx_compl_process(adapter, end_idx); |
f31e50a8 | 1802 | tx_compl++; |
6b7c5b94 SP |
1803 | } |
1804 | ||
f31e50a8 SP |
1805 | mcc_compl = be_process_mcc(adapter, &status); |
1806 | ||
1807 | napi_complete(napi); | |
1808 | ||
1809 | if (mcc_compl) { | |
1810 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1811 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); | |
1812 | } | |
1813 | ||
1814 | if (tx_compl) { | |
1815 | be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl); | |
5fb379ee SP |
1816 | |
1817 | /* As Tx wrbs have been freed up, wake up netdev queue if | |
1818 | * it was stopped due to lack of tx wrbs. | |
1819 | */ | |
1820 | if (netif_queue_stopped(adapter->netdev) && | |
6b7c5b94 | 1821 | atomic_read(&txq->used) < txq->len / 2) { |
5fb379ee SP |
1822 | netif_wake_queue(adapter->netdev); |
1823 | } | |
1824 | ||
3abcdeda SP |
1825 | tx_stats(adapter)->be_tx_events++; |
1826 | tx_stats(adapter)->be_tx_compl += tx_compl; | |
6b7c5b94 | 1827 | } |
6b7c5b94 SP |
1828 | |
1829 | return 1; | |
1830 | } | |
1831 | ||
d053de91 | 1832 | void be_detect_dump_ue(struct be_adapter *adapter) |
7c185276 AK |
1833 | { |
1834 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; | |
1835 | u32 i; | |
1836 | ||
1837 | pci_read_config_dword(adapter->pdev, | |
1838 | PCICFG_UE_STATUS_LOW, &ue_status_lo); | |
1839 | pci_read_config_dword(adapter->pdev, | |
1840 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); | |
1841 | pci_read_config_dword(adapter->pdev, | |
1842 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); | |
1843 | pci_read_config_dword(adapter->pdev, | |
1844 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); | |
1845 | ||
1846 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); | |
1847 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); | |
1848 | ||
d053de91 AK |
1849 | if (ue_status_lo || ue_status_hi) { |
1850 | adapter->ue_detected = true; | |
7acc2087 | 1851 | adapter->eeh_err = true; |
d053de91 AK |
1852 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); |
1853 | } | |
1854 | ||
7c185276 AK |
1855 | if (ue_status_lo) { |
1856 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { | |
1857 | if (ue_status_lo & 1) | |
1858 | dev_err(&adapter->pdev->dev, | |
1859 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
1860 | } | |
1861 | } | |
1862 | if (ue_status_hi) { | |
1863 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { | |
1864 | if (ue_status_hi & 1) | |
1865 | dev_err(&adapter->pdev->dev, | |
1866 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | } | |
1871 | ||
ea1dae11 SP |
1872 | static void be_worker(struct work_struct *work) |
1873 | { | |
1874 | struct be_adapter *adapter = | |
1875 | container_of(work, struct be_adapter, work.work); | |
3abcdeda SP |
1876 | struct be_rx_obj *rxo; |
1877 | int i; | |
ea1dae11 | 1878 | |
16da8250 SP |
1879 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
1880 | be_detect_dump_ue(adapter); | |
1881 | ||
f203af70 SK |
1882 | /* when interrupts are not yet enabled, just reap any pending |
1883 | * mcc completions */ | |
1884 | if (!netif_running(adapter->netdev)) { | |
1885 | int mcc_compl, status = 0; | |
1886 | ||
1887 | mcc_compl = be_process_mcc(adapter, &status); | |
1888 | ||
1889 | if (mcc_compl) { | |
1890 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1891 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); | |
1892 | } | |
9b037f38 | 1893 | |
f203af70 SK |
1894 | goto reschedule; |
1895 | } | |
1896 | ||
b2aebe6d | 1897 | if (!adapter->stats_cmd_sent) |
3abcdeda | 1898 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
ea1dae11 | 1899 | |
4097f663 | 1900 | be_tx_rate_update(adapter); |
4097f663 | 1901 | |
3abcdeda SP |
1902 | for_all_rx_queues(adapter, rxo, i) { |
1903 | be_rx_rate_update(rxo); | |
1904 | be_rx_eqd_update(adapter, rxo); | |
1905 | ||
1906 | if (rxo->rx_post_starved) { | |
1907 | rxo->rx_post_starved = false; | |
1829b086 | 1908 | be_post_rx_frags(rxo, GFP_KERNEL); |
3abcdeda | 1909 | } |
ea1dae11 SP |
1910 | } |
1911 | ||
f203af70 | 1912 | reschedule: |
e74fbd03 | 1913 | adapter->work_counter++; |
ea1dae11 SP |
1914 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
1915 | } | |
1916 | ||
8d56ff11 SP |
1917 | static void be_msix_disable(struct be_adapter *adapter) |
1918 | { | |
ac6a0c4a | 1919 | if (msix_enabled(adapter)) { |
8d56ff11 | 1920 | pci_disable_msix(adapter->pdev); |
ac6a0c4a | 1921 | adapter->num_msix_vec = 0; |
3abcdeda SP |
1922 | } |
1923 | } | |
1924 | ||
6b7c5b94 SP |
1925 | static void be_msix_enable(struct be_adapter *adapter) |
1926 | { | |
3abcdeda | 1927 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ |
ac6a0c4a | 1928 | int i, status, num_vec; |
6b7c5b94 | 1929 | |
ac6a0c4a | 1930 | num_vec = be_num_rxqs_want(adapter) + 1; |
3abcdeda | 1931 | |
ac6a0c4a | 1932 | for (i = 0; i < num_vec; i++) |
6b7c5b94 SP |
1933 | adapter->msix_entries[i].entry = i; |
1934 | ||
ac6a0c4a | 1935 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
3abcdeda SP |
1936 | if (status == 0) { |
1937 | goto done; | |
1938 | } else if (status >= BE_MIN_MSIX_VECTORS) { | |
ac6a0c4a | 1939 | num_vec = status; |
3abcdeda | 1940 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, |
ac6a0c4a | 1941 | num_vec) == 0) |
3abcdeda | 1942 | goto done; |
3abcdeda SP |
1943 | } |
1944 | return; | |
1945 | done: | |
ac6a0c4a SP |
1946 | adapter->num_msix_vec = num_vec; |
1947 | return; | |
6b7c5b94 SP |
1948 | } |
1949 | ||
ba343c77 SB |
1950 | static void be_sriov_enable(struct be_adapter *adapter) |
1951 | { | |
344dbf10 | 1952 | be_check_sriov_fn_type(adapter); |
6dedec81 | 1953 | #ifdef CONFIG_PCI_IOV |
ba343c77 | 1954 | if (be_physfn(adapter) && num_vfs) { |
81be8f0a AK |
1955 | int status, pos; |
1956 | u16 nvfs; | |
1957 | ||
1958 | pos = pci_find_ext_capability(adapter->pdev, | |
1959 | PCI_EXT_CAP_ID_SRIOV); | |
1960 | pci_read_config_word(adapter->pdev, | |
1961 | pos + PCI_SRIOV_TOTAL_VF, &nvfs); | |
1962 | ||
1963 | if (num_vfs > nvfs) { | |
1964 | dev_info(&adapter->pdev->dev, | |
1965 | "Device supports %d VFs and not %d\n", | |
1966 | nvfs, num_vfs); | |
1967 | num_vfs = nvfs; | |
1968 | } | |
6dedec81 | 1969 | |
ba343c77 SB |
1970 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
1971 | adapter->sriov_enabled = status ? false : true; | |
1972 | } | |
1973 | #endif | |
ba343c77 SB |
1974 | } |
1975 | ||
1976 | static void be_sriov_disable(struct be_adapter *adapter) | |
1977 | { | |
1978 | #ifdef CONFIG_PCI_IOV | |
1979 | if (adapter->sriov_enabled) { | |
1980 | pci_disable_sriov(adapter->pdev); | |
1981 | adapter->sriov_enabled = false; | |
1982 | } | |
1983 | #endif | |
1984 | } | |
1985 | ||
fe6d2a38 SP |
1986 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
1987 | struct be_eq_obj *eq_obj) | |
6b7c5b94 | 1988 | { |
ecd62107 | 1989 | return adapter->msix_entries[eq_obj->eq_idx].vector; |
6b7c5b94 SP |
1990 | } |
1991 | ||
b628bde2 SP |
1992 | static int be_request_irq(struct be_adapter *adapter, |
1993 | struct be_eq_obj *eq_obj, | |
3abcdeda | 1994 | void *handler, char *desc, void *context) |
6b7c5b94 SP |
1995 | { |
1996 | struct net_device *netdev = adapter->netdev; | |
b628bde2 SP |
1997 | int vec; |
1998 | ||
1999 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); | |
fe6d2a38 | 2000 | vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 2001 | return request_irq(vec, handler, 0, eq_obj->desc, context); |
b628bde2 SP |
2002 | } |
2003 | ||
3abcdeda SP |
2004 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, |
2005 | void *context) | |
b628bde2 | 2006 | { |
fe6d2a38 | 2007 | int vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 2008 | free_irq(vec, context); |
b628bde2 | 2009 | } |
6b7c5b94 | 2010 | |
b628bde2 SP |
2011 | static int be_msix_register(struct be_adapter *adapter) |
2012 | { | |
3abcdeda SP |
2013 | struct be_rx_obj *rxo; |
2014 | int status, i; | |
2015 | char qname[10]; | |
b628bde2 | 2016 | |
3abcdeda SP |
2017 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", |
2018 | adapter); | |
6b7c5b94 SP |
2019 | if (status) |
2020 | goto err; | |
2021 | ||
3abcdeda SP |
2022 | for_all_rx_queues(adapter, rxo, i) { |
2023 | sprintf(qname, "rxq%d", i); | |
2024 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, | |
2025 | qname, rxo); | |
2026 | if (status) | |
2027 | goto err_msix; | |
2028 | } | |
b628bde2 | 2029 | |
6b7c5b94 | 2030 | return 0; |
b628bde2 | 2031 | |
3abcdeda SP |
2032 | err_msix: |
2033 | be_free_irq(adapter, &adapter->tx_eq, adapter); | |
2034 | ||
2035 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) | |
2036 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2037 | ||
6b7c5b94 SP |
2038 | err: |
2039 | dev_warn(&adapter->pdev->dev, | |
2040 | "MSIX Request IRQ failed - err %d\n", status); | |
ac6a0c4a | 2041 | be_msix_disable(adapter); |
6b7c5b94 SP |
2042 | return status; |
2043 | } | |
2044 | ||
2045 | static int be_irq_register(struct be_adapter *adapter) | |
2046 | { | |
2047 | struct net_device *netdev = adapter->netdev; | |
2048 | int status; | |
2049 | ||
ac6a0c4a | 2050 | if (msix_enabled(adapter)) { |
6b7c5b94 SP |
2051 | status = be_msix_register(adapter); |
2052 | if (status == 0) | |
2053 | goto done; | |
ba343c77 SB |
2054 | /* INTx is not supported for VF */ |
2055 | if (!be_physfn(adapter)) | |
2056 | return status; | |
6b7c5b94 SP |
2057 | } |
2058 | ||
2059 | /* INTx */ | |
2060 | netdev->irq = adapter->pdev->irq; | |
2061 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
2062 | adapter); | |
2063 | if (status) { | |
2064 | dev_err(&adapter->pdev->dev, | |
2065 | "INTx request IRQ failed - err %d\n", status); | |
2066 | return status; | |
2067 | } | |
2068 | done: | |
2069 | adapter->isr_registered = true; | |
2070 | return 0; | |
2071 | } | |
2072 | ||
2073 | static void be_irq_unregister(struct be_adapter *adapter) | |
2074 | { | |
2075 | struct net_device *netdev = adapter->netdev; | |
3abcdeda SP |
2076 | struct be_rx_obj *rxo; |
2077 | int i; | |
6b7c5b94 SP |
2078 | |
2079 | if (!adapter->isr_registered) | |
2080 | return; | |
2081 | ||
2082 | /* INTx */ | |
ac6a0c4a | 2083 | if (!msix_enabled(adapter)) { |
6b7c5b94 SP |
2084 | free_irq(netdev->irq, adapter); |
2085 | goto done; | |
2086 | } | |
2087 | ||
2088 | /* MSIx */ | |
3abcdeda SP |
2089 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
2090 | ||
2091 | for_all_rx_queues(adapter, rxo, i) | |
2092 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2093 | ||
6b7c5b94 SP |
2094 | done: |
2095 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2096 | } |
2097 | ||
889cd4b2 SP |
2098 | static int be_close(struct net_device *netdev) |
2099 | { | |
2100 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda | 2101 | struct be_rx_obj *rxo; |
889cd4b2 | 2102 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2103 | int vec, i; |
889cd4b2 | 2104 | |
889cd4b2 SP |
2105 | be_async_mcc_disable(adapter); |
2106 | ||
889cd4b2 SP |
2107 | netif_carrier_off(netdev); |
2108 | adapter->link_up = false; | |
2109 | ||
fe6d2a38 SP |
2110 | if (!lancer_chip(adapter)) |
2111 | be_intr_set(adapter, false); | |
889cd4b2 | 2112 | |
63fcb27f PR |
2113 | for_all_rx_queues(adapter, rxo, i) |
2114 | napi_disable(&rxo->rx_eq.napi); | |
2115 | ||
2116 | napi_disable(&tx_eq->napi); | |
2117 | ||
2118 | if (lancer_chip(adapter)) { | |
2119 | be_cq_notify(adapter, adapter->tx_obj.cq.id, false, 0); | |
2120 | be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); | |
2121 | for_all_rx_queues(adapter, rxo, i) | |
2122 | be_cq_notify(adapter, rxo->cq.id, false, 0); | |
2123 | } | |
2124 | ||
ac6a0c4a | 2125 | if (msix_enabled(adapter)) { |
fe6d2a38 | 2126 | vec = be_msix_vec_get(adapter, tx_eq); |
889cd4b2 | 2127 | synchronize_irq(vec); |
3abcdeda SP |
2128 | |
2129 | for_all_rx_queues(adapter, rxo, i) { | |
fe6d2a38 | 2130 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); |
3abcdeda SP |
2131 | synchronize_irq(vec); |
2132 | } | |
889cd4b2 SP |
2133 | } else { |
2134 | synchronize_irq(netdev->irq); | |
2135 | } | |
2136 | be_irq_unregister(adapter); | |
2137 | ||
889cd4b2 SP |
2138 | /* Wait for all pending tx completions to arrive so that |
2139 | * all tx skbs are freed. | |
2140 | */ | |
2141 | be_tx_compl_clean(adapter); | |
2142 | ||
2143 | return 0; | |
2144 | } | |
2145 | ||
6b7c5b94 SP |
2146 | static int be_open(struct net_device *netdev) |
2147 | { | |
2148 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 2149 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2150 | struct be_rx_obj *rxo; |
a8f447bd | 2151 | bool link_up; |
3abcdeda | 2152 | int status, i; |
0388f251 SB |
2153 | u8 mac_speed; |
2154 | u16 link_speed; | |
5fb379ee | 2155 | |
3abcdeda | 2156 | for_all_rx_queues(adapter, rxo, i) { |
1829b086 | 2157 | be_post_rx_frags(rxo, GFP_KERNEL); |
3abcdeda SP |
2158 | napi_enable(&rxo->rx_eq.napi); |
2159 | } | |
5fb379ee SP |
2160 | napi_enable(&tx_eq->napi); |
2161 | ||
2162 | be_irq_register(adapter); | |
2163 | ||
fe6d2a38 SP |
2164 | if (!lancer_chip(adapter)) |
2165 | be_intr_set(adapter, true); | |
5fb379ee SP |
2166 | |
2167 | /* The evt queues are created in unarmed state; arm them */ | |
3abcdeda SP |
2168 | for_all_rx_queues(adapter, rxo, i) { |
2169 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); | |
2170 | be_cq_notify(adapter, rxo->cq.id, true, 0); | |
2171 | } | |
8788fdc2 | 2172 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
5fb379ee | 2173 | |
7a1e9b20 SP |
2174 | /* Now that interrupts are on we can process async mcc */ |
2175 | be_async_mcc_enable(adapter); | |
2176 | ||
0388f251 | 2177 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, |
187e8756 | 2178 | &link_speed, 0); |
a8f447bd | 2179 | if (status) |
889cd4b2 | 2180 | goto err; |
a8f447bd | 2181 | be_link_status_update(adapter, link_up); |
5fb379ee | 2182 | |
889cd4b2 | 2183 | if (be_physfn(adapter)) { |
1da87b7f | 2184 | status = be_vid_config(adapter, false, 0); |
889cd4b2 SP |
2185 | if (status) |
2186 | goto err; | |
4f2aa89c | 2187 | |
ba343c77 SB |
2188 | status = be_cmd_set_flow_control(adapter, |
2189 | adapter->tx_fc, adapter->rx_fc); | |
2190 | if (status) | |
889cd4b2 | 2191 | goto err; |
ba343c77 | 2192 | } |
4f2aa89c | 2193 | |
889cd4b2 SP |
2194 | return 0; |
2195 | err: | |
2196 | be_close(adapter->netdev); | |
2197 | return -EIO; | |
5fb379ee SP |
2198 | } |
2199 | ||
71d8d1b5 AK |
2200 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2201 | { | |
2202 | struct be_dma_mem cmd; | |
2203 | int status = 0; | |
2204 | u8 mac[ETH_ALEN]; | |
2205 | ||
2206 | memset(mac, 0, ETH_ALEN); | |
2207 | ||
2208 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
2b7bcebf IV |
2209 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
2210 | GFP_KERNEL); | |
71d8d1b5 AK |
2211 | if (cmd.va == NULL) |
2212 | return -1; | |
2213 | memset(cmd.va, 0, cmd.size); | |
2214 | ||
2215 | if (enable) { | |
2216 | status = pci_write_config_dword(adapter->pdev, | |
2217 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2218 | if (status) { | |
2219 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2220 | "Could not enable Wake-on-lan\n"); |
2b7bcebf IV |
2221 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
2222 | cmd.dma); | |
71d8d1b5 AK |
2223 | return status; |
2224 | } | |
2225 | status = be_cmd_enable_magic_wol(adapter, | |
2226 | adapter->netdev->dev_addr, &cmd); | |
2227 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2228 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2229 | } else { | |
2230 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2231 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2232 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2233 | } | |
2234 | ||
2b7bcebf | 2235 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
71d8d1b5 AK |
2236 | return status; |
2237 | } | |
2238 | ||
6d87f5c3 AK |
2239 | /* |
2240 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2241 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2242 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2243 | * queries for the MAC address during its probe. | |
2244 | */ | |
2245 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) | |
2246 | { | |
2247 | u32 vf = 0; | |
3abcdeda | 2248 | int status = 0; |
6d87f5c3 AK |
2249 | u8 mac[ETH_ALEN]; |
2250 | ||
2251 | be_vf_eth_addr_generate(adapter, mac); | |
2252 | ||
2253 | for (vf = 0; vf < num_vfs; vf++) { | |
2254 | status = be_cmd_pmac_add(adapter, mac, | |
2255 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 AK |
2256 | &adapter->vf_cfg[vf].vf_pmac_id, |
2257 | vf + 1); | |
6d87f5c3 AK |
2258 | if (status) |
2259 | dev_err(&adapter->pdev->dev, | |
2260 | "Mac address add failed for VF %d\n", vf); | |
2261 | else | |
2262 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
2263 | ||
2264 | mac[5] += 1; | |
2265 | } | |
2266 | return status; | |
2267 | } | |
2268 | ||
2269 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) | |
2270 | { | |
2271 | u32 vf; | |
2272 | ||
2273 | for (vf = 0; vf < num_vfs; vf++) { | |
2274 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | |
2275 | be_cmd_pmac_del(adapter, | |
2276 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 2277 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
6d87f5c3 AK |
2278 | } |
2279 | } | |
2280 | ||
5fb379ee SP |
2281 | static int be_setup(struct be_adapter *adapter) |
2282 | { | |
5fb379ee | 2283 | struct net_device *netdev = adapter->netdev; |
ba343c77 | 2284 | u32 cap_flags, en_flags, vf = 0; |
6b7c5b94 | 2285 | int status; |
ba343c77 SB |
2286 | u8 mac[ETH_ALEN]; |
2287 | ||
f21b538c PR |
2288 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | |
2289 | BE_IF_FLAGS_BROADCAST | | |
2290 | BE_IF_FLAGS_MULTICAST; | |
6b7c5b94 | 2291 | |
ba343c77 SB |
2292 | if (be_physfn(adapter)) { |
2293 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | | |
2294 | BE_IF_FLAGS_PROMISCUOUS | | |
2295 | BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
2296 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
3abcdeda | 2297 | |
ac6a0c4a | 2298 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) { |
3abcdeda SP |
2299 | cap_flags |= BE_IF_FLAGS_RSS; |
2300 | en_flags |= BE_IF_FLAGS_RSS; | |
2301 | } | |
ba343c77 | 2302 | } |
73d540f2 SP |
2303 | |
2304 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2305 | netdev->dev_addr, false/* pmac_invalid */, | |
ba343c77 | 2306 | &adapter->if_handle, &adapter->pmac_id, 0); |
6b7c5b94 SP |
2307 | if (status != 0) |
2308 | goto do_none; | |
2309 | ||
ba343c77 | 2310 | if (be_physfn(adapter)) { |
c99ac3e7 AK |
2311 | if (adapter->sriov_enabled) { |
2312 | while (vf < num_vfs) { | |
2313 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | | |
2314 | BE_IF_FLAGS_BROADCAST; | |
2315 | status = be_cmd_if_create(adapter, cap_flags, | |
2316 | en_flags, mac, true, | |
64600ea5 | 2317 | &adapter->vf_cfg[vf].vf_if_handle, |
ba343c77 | 2318 | NULL, vf+1); |
c99ac3e7 AK |
2319 | if (status) { |
2320 | dev_err(&adapter->pdev->dev, | |
2321 | "Interface Create failed for VF %d\n", | |
2322 | vf); | |
2323 | goto if_destroy; | |
2324 | } | |
2325 | adapter->vf_cfg[vf].vf_pmac_id = | |
2326 | BE_INVALID_PMAC_ID; | |
2327 | vf++; | |
ba343c77 | 2328 | } |
84e5b9f7 | 2329 | } |
c99ac3e7 | 2330 | } else { |
ba343c77 SB |
2331 | status = be_cmd_mac_addr_query(adapter, mac, |
2332 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); | |
2333 | if (!status) { | |
2334 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2335 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2336 | } | |
2337 | } | |
2338 | ||
6b7c5b94 SP |
2339 | status = be_tx_queues_create(adapter); |
2340 | if (status != 0) | |
2341 | goto if_destroy; | |
2342 | ||
2343 | status = be_rx_queues_create(adapter); | |
2344 | if (status != 0) | |
2345 | goto tx_qs_destroy; | |
2346 | ||
5fb379ee SP |
2347 | status = be_mcc_queues_create(adapter); |
2348 | if (status != 0) | |
2349 | goto rx_qs_destroy; | |
6b7c5b94 | 2350 | |
0dffc83e AK |
2351 | adapter->link_speed = -1; |
2352 | ||
6b7c5b94 SP |
2353 | return 0; |
2354 | ||
5fb379ee SP |
2355 | rx_qs_destroy: |
2356 | be_rx_queues_destroy(adapter); | |
6b7c5b94 SP |
2357 | tx_qs_destroy: |
2358 | be_tx_queues_destroy(adapter); | |
2359 | if_destroy: | |
c99ac3e7 AK |
2360 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2361 | for (vf = 0; vf < num_vfs; vf++) | |
2362 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2363 | be_cmd_if_destroy(adapter, | |
658681f7 AK |
2364 | adapter->vf_cfg[vf].vf_if_handle, |
2365 | vf + 1); | |
2366 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); | |
6b7c5b94 SP |
2367 | do_none: |
2368 | return status; | |
2369 | } | |
2370 | ||
5fb379ee SP |
2371 | static int be_clear(struct be_adapter *adapter) |
2372 | { | |
7ab8b0b4 AK |
2373 | int vf; |
2374 | ||
c99ac3e7 | 2375 | if (be_physfn(adapter) && adapter->sriov_enabled) |
6d87f5c3 AK |
2376 | be_vf_eth_addr_rem(adapter); |
2377 | ||
1a8887d8 | 2378 | be_mcc_queues_destroy(adapter); |
5fb379ee SP |
2379 | be_rx_queues_destroy(adapter); |
2380 | be_tx_queues_destroy(adapter); | |
1f5db833 | 2381 | adapter->eq_next_idx = 0; |
5fb379ee | 2382 | |
7ab8b0b4 AK |
2383 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2384 | for (vf = 0; vf < num_vfs; vf++) | |
2385 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2386 | be_cmd_if_destroy(adapter, | |
2387 | adapter->vf_cfg[vf].vf_if_handle, | |
2388 | vf + 1); | |
2389 | ||
658681f7 | 2390 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
5fb379ee | 2391 | |
2243e2e9 SP |
2392 | /* tell fw we're done with firing cmds */ |
2393 | be_cmd_fw_clean(adapter); | |
5fb379ee SP |
2394 | return 0; |
2395 | } | |
2396 | ||
6b7c5b94 | 2397 | |
84517482 | 2398 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
fa9a6fed | 2399 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
2400 | const u8 *p, u32 img_start, int image_size, |
2401 | int hdr_size) | |
fa9a6fed SB |
2402 | { |
2403 | u32 crc_offset; | |
2404 | u8 flashed_crc[4]; | |
2405 | int status; | |
3f0d4560 AK |
2406 | |
2407 | crc_offset = hdr_size + img_start + image_size - 4; | |
2408 | ||
fa9a6fed | 2409 | p += crc_offset; |
3f0d4560 AK |
2410 | |
2411 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 2412 | (image_size - 4)); |
fa9a6fed SB |
2413 | if (status) { |
2414 | dev_err(&adapter->pdev->dev, | |
2415 | "could not get crc from flash, not flashing redboot\n"); | |
2416 | return false; | |
2417 | } | |
2418 | ||
2419 | /*update redboot only if crc does not match*/ | |
2420 | if (!memcmp(flashed_crc, p, 4)) | |
2421 | return false; | |
2422 | else | |
2423 | return true; | |
fa9a6fed SB |
2424 | } |
2425 | ||
3f0d4560 | 2426 | static int be_flash_data(struct be_adapter *adapter, |
84517482 | 2427 | const struct firmware *fw, |
3f0d4560 AK |
2428 | struct be_dma_mem *flash_cmd, int num_of_images) |
2429 | ||
84517482 | 2430 | { |
3f0d4560 AK |
2431 | int status = 0, i, filehdr_size = 0; |
2432 | u32 total_bytes = 0, flash_op; | |
84517482 AK |
2433 | int num_bytes; |
2434 | const u8 *p = fw->data; | |
2435 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
215faf9c | 2436 | const struct flash_comp *pflashcomp; |
9fe96934 | 2437 | int num_comp; |
3f0d4560 | 2438 | |
215faf9c | 2439 | static const struct flash_comp gen3_flash_types[9] = { |
3f0d4560 AK |
2440 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, |
2441 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2442 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, | |
2443 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, | |
2444 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, | |
2445 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2446 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, | |
2447 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2448 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, | |
2449 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2450 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, | |
2451 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2452 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, | |
2453 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2454 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, | |
9fe96934 SB |
2455 | FLASH_IMAGE_MAX_SIZE_g3}, |
2456 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, | |
2457 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} | |
3f0d4560 | 2458 | }; |
215faf9c | 2459 | static const struct flash_comp gen2_flash_types[8] = { |
3f0d4560 AK |
2460 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, |
2461 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2462 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, | |
2463 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, | |
2464 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, | |
2465 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2466 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, | |
2467 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2468 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, | |
2469 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2470 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, | |
2471 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2472 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, | |
2473 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2474 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, | |
2475 | FLASH_IMAGE_MAX_SIZE_g2} | |
2476 | }; | |
2477 | ||
2478 | if (adapter->generation == BE_GEN3) { | |
2479 | pflashcomp = gen3_flash_types; | |
2480 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
215faf9c | 2481 | num_comp = ARRAY_SIZE(gen3_flash_types); |
3f0d4560 AK |
2482 | } else { |
2483 | pflashcomp = gen2_flash_types; | |
2484 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
215faf9c | 2485 | num_comp = ARRAY_SIZE(gen2_flash_types); |
84517482 | 2486 | } |
9fe96934 SB |
2487 | for (i = 0; i < num_comp; i++) { |
2488 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && | |
2489 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
2490 | continue; | |
3f0d4560 AK |
2491 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && |
2492 | (!be_flash_redboot(adapter, fw->data, | |
fae21a4d AK |
2493 | pflashcomp[i].offset, pflashcomp[i].size, filehdr_size + |
2494 | (num_of_images * sizeof(struct image_hdr))))) | |
3f0d4560 AK |
2495 | continue; |
2496 | p = fw->data; | |
2497 | p += filehdr_size + pflashcomp[i].offset | |
2498 | + (num_of_images * sizeof(struct image_hdr)); | |
2499 | if (p + pflashcomp[i].size > fw->data + fw->size) | |
84517482 | 2500 | return -1; |
3f0d4560 AK |
2501 | total_bytes = pflashcomp[i].size; |
2502 | while (total_bytes) { | |
2503 | if (total_bytes > 32*1024) | |
2504 | num_bytes = 32*1024; | |
2505 | else | |
2506 | num_bytes = total_bytes; | |
2507 | total_bytes -= num_bytes; | |
2508 | ||
2509 | if (!total_bytes) | |
2510 | flash_op = FLASHROM_OPER_FLASH; | |
2511 | else | |
2512 | flash_op = FLASHROM_OPER_SAVE; | |
2513 | memcpy(req->params.data_buf, p, num_bytes); | |
2514 | p += num_bytes; | |
2515 | status = be_cmd_write_flashrom(adapter, flash_cmd, | |
2516 | pflashcomp[i].optype, flash_op, num_bytes); | |
2517 | if (status) { | |
2518 | dev_err(&adapter->pdev->dev, | |
2519 | "cmd to write to flash rom failed.\n"); | |
2520 | return -1; | |
2521 | } | |
2522 | yield(); | |
84517482 | 2523 | } |
84517482 | 2524 | } |
84517482 AK |
2525 | return 0; |
2526 | } | |
2527 | ||
3f0d4560 AK |
2528 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) |
2529 | { | |
2530 | if (fhdr == NULL) | |
2531 | return 0; | |
2532 | if (fhdr->build[0] == '3') | |
2533 | return BE_GEN3; | |
2534 | else if (fhdr->build[0] == '2') | |
2535 | return BE_GEN2; | |
2536 | else | |
2537 | return 0; | |
2538 | } | |
2539 | ||
84517482 AK |
2540 | int be_load_fw(struct be_adapter *adapter, u8 *func) |
2541 | { | |
2542 | char fw_file[ETHTOOL_FLASH_MAX_FILENAME]; | |
2543 | const struct firmware *fw; | |
3f0d4560 AK |
2544 | struct flash_file_hdr_g2 *fhdr; |
2545 | struct flash_file_hdr_g3 *fhdr3; | |
2546 | struct image_hdr *img_hdr_ptr = NULL; | |
84517482 | 2547 | struct be_dma_mem flash_cmd; |
8b93b710 | 2548 | int status, i = 0, num_imgs = 0; |
84517482 | 2549 | const u8 *p; |
84517482 | 2550 | |
d9efd2af SB |
2551 | if (!netif_running(adapter->netdev)) { |
2552 | dev_err(&adapter->pdev->dev, | |
2553 | "Firmware load not allowed (interface is down)\n"); | |
2554 | return -EPERM; | |
2555 | } | |
2556 | ||
84517482 AK |
2557 | strcpy(fw_file, func); |
2558 | ||
2559 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
2560 | if (status) | |
2561 | goto fw_exit; | |
2562 | ||
2563 | p = fw->data; | |
3f0d4560 | 2564 | fhdr = (struct flash_file_hdr_g2 *) p; |
84517482 AK |
2565 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
2566 | ||
84517482 | 2567 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; |
2b7bcebf IV |
2568 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
2569 | &flash_cmd.dma, GFP_KERNEL); | |
84517482 AK |
2570 | if (!flash_cmd.va) { |
2571 | status = -ENOMEM; | |
2572 | dev_err(&adapter->pdev->dev, | |
2573 | "Memory allocation failure while flashing\n"); | |
2574 | goto fw_exit; | |
2575 | } | |
2576 | ||
3f0d4560 AK |
2577 | if ((adapter->generation == BE_GEN3) && |
2578 | (get_ufigen_type(fhdr) == BE_GEN3)) { | |
2579 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; | |
8b93b710 AK |
2580 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
2581 | for (i = 0; i < num_imgs; i++) { | |
3f0d4560 AK |
2582 | img_hdr_ptr = (struct image_hdr *) (fw->data + |
2583 | (sizeof(struct flash_file_hdr_g3) + | |
8b93b710 AK |
2584 | i * sizeof(struct image_hdr))); |
2585 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) | |
2586 | status = be_flash_data(adapter, fw, &flash_cmd, | |
2587 | num_imgs); | |
3f0d4560 AK |
2588 | } |
2589 | } else if ((adapter->generation == BE_GEN2) && | |
2590 | (get_ufigen_type(fhdr) == BE_GEN2)) { | |
2591 | status = be_flash_data(adapter, fw, &flash_cmd, 0); | |
2592 | } else { | |
2593 | dev_err(&adapter->pdev->dev, | |
2594 | "UFI and Interface are not compatible for flashing\n"); | |
2595 | status = -1; | |
84517482 AK |
2596 | } |
2597 | ||
2b7bcebf IV |
2598 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
2599 | flash_cmd.dma); | |
84517482 AK |
2600 | if (status) { |
2601 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
2602 | goto fw_exit; | |
2603 | } | |
2604 | ||
af901ca1 | 2605 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 AK |
2606 | |
2607 | fw_exit: | |
2608 | release_firmware(fw); | |
2609 | return status; | |
2610 | } | |
2611 | ||
6b7c5b94 SP |
2612 | static struct net_device_ops be_netdev_ops = { |
2613 | .ndo_open = be_open, | |
2614 | .ndo_stop = be_close, | |
2615 | .ndo_start_xmit = be_xmit, | |
6b7c5b94 SP |
2616 | .ndo_set_rx_mode = be_set_multicast_list, |
2617 | .ndo_set_mac_address = be_mac_addr_set, | |
2618 | .ndo_change_mtu = be_change_mtu, | |
2619 | .ndo_validate_addr = eth_validate_addr, | |
2620 | .ndo_vlan_rx_register = be_vlan_register, | |
2621 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, | |
2622 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 2623 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 2624 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 2625 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
64600ea5 | 2626 | .ndo_get_vf_config = be_get_vf_config |
6b7c5b94 SP |
2627 | }; |
2628 | ||
2629 | static void be_netdev_init(struct net_device *netdev) | |
2630 | { | |
2631 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda SP |
2632 | struct be_rx_obj *rxo; |
2633 | int i; | |
6b7c5b94 | 2634 | |
6332c8d3 | 2635 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
8b8ddc68 MM |
2636 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
2637 | NETIF_F_HW_VLAN_TX; | |
2638 | if (be_multi_rxq(adapter)) | |
2639 | netdev->hw_features |= NETIF_F_RXHASH; | |
6332c8d3 MM |
2640 | |
2641 | netdev->features |= netdev->hw_features | | |
8b8ddc68 | 2642 | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; |
4b972914 | 2643 | |
79032644 MM |
2644 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | |
2645 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; | |
51c59870 | 2646 | |
fe6d2a38 SP |
2647 | if (lancer_chip(adapter)) |
2648 | netdev->vlan_features |= NETIF_F_TSO6; | |
2649 | ||
6b7c5b94 SP |
2650 | netdev->flags |= IFF_MULTICAST; |
2651 | ||
9e90c961 AK |
2652 | /* Default settings for Rx and Tx flow control */ |
2653 | adapter->rx_fc = true; | |
2654 | adapter->tx_fc = true; | |
2655 | ||
c190e3c8 AK |
2656 | netif_set_gso_max_size(netdev, 65535); |
2657 | ||
6b7c5b94 SP |
2658 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); |
2659 | ||
2660 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
2661 | ||
3abcdeda SP |
2662 | for_all_rx_queues(adapter, rxo, i) |
2663 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, | |
2664 | BE_NAPI_WEIGHT); | |
2665 | ||
5fb379ee | 2666 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, |
6b7c5b94 | 2667 | BE_NAPI_WEIGHT); |
6b7c5b94 SP |
2668 | } |
2669 | ||
2670 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
2671 | { | |
8788fdc2 SP |
2672 | if (adapter->csr) |
2673 | iounmap(adapter->csr); | |
2674 | if (adapter->db) | |
2675 | iounmap(adapter->db); | |
ba343c77 | 2676 | if (adapter->pcicfg && be_physfn(adapter)) |
8788fdc2 | 2677 | iounmap(adapter->pcicfg); |
6b7c5b94 SP |
2678 | } |
2679 | ||
2680 | static int be_map_pci_bars(struct be_adapter *adapter) | |
2681 | { | |
2682 | u8 __iomem *addr; | |
ba343c77 | 2683 | int pcicfg_reg, db_reg; |
6b7c5b94 | 2684 | |
fe6d2a38 SP |
2685 | if (lancer_chip(adapter)) { |
2686 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), | |
2687 | pci_resource_len(adapter->pdev, 0)); | |
2688 | if (addr == NULL) | |
2689 | return -ENOMEM; | |
2690 | adapter->db = addr; | |
2691 | return 0; | |
2692 | } | |
2693 | ||
ba343c77 SB |
2694 | if (be_physfn(adapter)) { |
2695 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), | |
2696 | pci_resource_len(adapter->pdev, 2)); | |
2697 | if (addr == NULL) | |
2698 | return -ENOMEM; | |
2699 | adapter->csr = addr; | |
2700 | } | |
6b7c5b94 | 2701 | |
ba343c77 | 2702 | if (adapter->generation == BE_GEN2) { |
7b139c83 | 2703 | pcicfg_reg = 1; |
ba343c77 SB |
2704 | db_reg = 4; |
2705 | } else { | |
7b139c83 | 2706 | pcicfg_reg = 0; |
ba343c77 SB |
2707 | if (be_physfn(adapter)) |
2708 | db_reg = 4; | |
2709 | else | |
2710 | db_reg = 0; | |
2711 | } | |
2712 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), | |
2713 | pci_resource_len(adapter->pdev, db_reg)); | |
6b7c5b94 SP |
2714 | if (addr == NULL) |
2715 | goto pci_map_err; | |
ba343c77 SB |
2716 | adapter->db = addr; |
2717 | ||
2718 | if (be_physfn(adapter)) { | |
2719 | addr = ioremap_nocache( | |
2720 | pci_resource_start(adapter->pdev, pcicfg_reg), | |
2721 | pci_resource_len(adapter->pdev, pcicfg_reg)); | |
2722 | if (addr == NULL) | |
2723 | goto pci_map_err; | |
2724 | adapter->pcicfg = addr; | |
2725 | } else | |
2726 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; | |
6b7c5b94 SP |
2727 | |
2728 | return 0; | |
2729 | pci_map_err: | |
2730 | be_unmap_pci_bars(adapter); | |
2731 | return -ENOMEM; | |
2732 | } | |
2733 | ||
2734 | ||
2735 | static void be_ctrl_cleanup(struct be_adapter *adapter) | |
2736 | { | |
8788fdc2 | 2737 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
2738 | |
2739 | be_unmap_pci_bars(adapter); | |
2740 | ||
2741 | if (mem->va) | |
2b7bcebf IV |
2742 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
2743 | mem->dma); | |
e7b909a6 SP |
2744 | |
2745 | mem = &adapter->mc_cmd_mem; | |
2746 | if (mem->va) | |
2b7bcebf IV |
2747 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
2748 | mem->dma); | |
6b7c5b94 SP |
2749 | } |
2750 | ||
6b7c5b94 SP |
2751 | static int be_ctrl_init(struct be_adapter *adapter) |
2752 | { | |
8788fdc2 SP |
2753 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
2754 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
e7b909a6 | 2755 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; |
6b7c5b94 | 2756 | int status; |
6b7c5b94 SP |
2757 | |
2758 | status = be_map_pci_bars(adapter); | |
2759 | if (status) | |
e7b909a6 | 2760 | goto done; |
6b7c5b94 SP |
2761 | |
2762 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2b7bcebf IV |
2763 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
2764 | mbox_mem_alloc->size, | |
2765 | &mbox_mem_alloc->dma, | |
2766 | GFP_KERNEL); | |
6b7c5b94 | 2767 | if (!mbox_mem_alloc->va) { |
e7b909a6 SP |
2768 | status = -ENOMEM; |
2769 | goto unmap_pci_bars; | |
6b7c5b94 | 2770 | } |
e7b909a6 | 2771 | |
6b7c5b94 SP |
2772 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
2773 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
2774 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
2775 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 SP |
2776 | |
2777 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); | |
2b7bcebf IV |
2778 | mc_cmd_mem->va = dma_alloc_coherent(&adapter->pdev->dev, |
2779 | mc_cmd_mem->size, &mc_cmd_mem->dma, | |
2780 | GFP_KERNEL); | |
e7b909a6 SP |
2781 | if (mc_cmd_mem->va == NULL) { |
2782 | status = -ENOMEM; | |
2783 | goto free_mbox; | |
2784 | } | |
2785 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); | |
2786 | ||
2984961c | 2787 | mutex_init(&adapter->mbox_lock); |
8788fdc2 SP |
2788 | spin_lock_init(&adapter->mcc_lock); |
2789 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 2790 | |
dd131e76 | 2791 | init_completion(&adapter->flash_compl); |
cf588477 | 2792 | pci_save_state(adapter->pdev); |
6b7c5b94 | 2793 | return 0; |
e7b909a6 SP |
2794 | |
2795 | free_mbox: | |
2b7bcebf IV |
2796 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
2797 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
e7b909a6 SP |
2798 | |
2799 | unmap_pci_bars: | |
2800 | be_unmap_pci_bars(adapter); | |
2801 | ||
2802 | done: | |
2803 | return status; | |
6b7c5b94 SP |
2804 | } |
2805 | ||
2806 | static void be_stats_cleanup(struct be_adapter *adapter) | |
2807 | { | |
3abcdeda | 2808 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2809 | |
2810 | if (cmd->va) | |
2b7bcebf IV |
2811 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
2812 | cmd->va, cmd->dma); | |
6b7c5b94 SP |
2813 | } |
2814 | ||
2815 | static int be_stats_init(struct be_adapter *adapter) | |
2816 | { | |
3abcdeda | 2817 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2818 | |
2819 | cmd->size = sizeof(struct be_cmd_req_get_stats); | |
2b7bcebf IV |
2820 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
2821 | GFP_KERNEL); | |
6b7c5b94 SP |
2822 | if (cmd->va == NULL) |
2823 | return -1; | |
d291b9af | 2824 | memset(cmd->va, 0, cmd->size); |
6b7c5b94 SP |
2825 | return 0; |
2826 | } | |
2827 | ||
2828 | static void __devexit be_remove(struct pci_dev *pdev) | |
2829 | { | |
2830 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 2831 | |
6b7c5b94 SP |
2832 | if (!adapter) |
2833 | return; | |
2834 | ||
f203af70 SK |
2835 | cancel_delayed_work_sync(&adapter->work); |
2836 | ||
6b7c5b94 SP |
2837 | unregister_netdev(adapter->netdev); |
2838 | ||
5fb379ee SP |
2839 | be_clear(adapter); |
2840 | ||
6b7c5b94 SP |
2841 | be_stats_cleanup(adapter); |
2842 | ||
2843 | be_ctrl_cleanup(adapter); | |
2844 | ||
48f5a191 | 2845 | kfree(adapter->vf_cfg); |
ba343c77 SB |
2846 | be_sriov_disable(adapter); |
2847 | ||
8d56ff11 | 2848 | be_msix_disable(adapter); |
6b7c5b94 SP |
2849 | |
2850 | pci_set_drvdata(pdev, NULL); | |
2851 | pci_release_regions(pdev); | |
2852 | pci_disable_device(pdev); | |
2853 | ||
2854 | free_netdev(adapter->netdev); | |
2855 | } | |
2856 | ||
2243e2e9 | 2857 | static int be_get_config(struct be_adapter *adapter) |
6b7c5b94 | 2858 | { |
6b7c5b94 | 2859 | int status; |
2243e2e9 | 2860 | u8 mac[ETH_ALEN]; |
6b7c5b94 | 2861 | |
2243e2e9 | 2862 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); |
6b7c5b94 SP |
2863 | if (status) |
2864 | return status; | |
2865 | ||
3abcdeda SP |
2866 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
2867 | &adapter->function_mode, &adapter->function_caps); | |
43a04fdc SP |
2868 | if (status) |
2869 | return status; | |
2870 | ||
2243e2e9 | 2871 | memset(mac, 0, ETH_ALEN); |
ba343c77 SB |
2872 | |
2873 | if (be_physfn(adapter)) { | |
2874 | status = be_cmd_mac_addr_query(adapter, mac, | |
2243e2e9 | 2875 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); |
ca9e4988 | 2876 | |
ba343c77 SB |
2877 | if (status) |
2878 | return status; | |
ca9e4988 | 2879 | |
ba343c77 SB |
2880 | if (!is_valid_ether_addr(mac)) |
2881 | return -EADDRNOTAVAIL; | |
2882 | ||
2883 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2884 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2885 | } | |
6b7c5b94 | 2886 | |
3486be29 | 2887 | if (adapter->function_mode & 0x400) |
82903e4b AK |
2888 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; |
2889 | else | |
2890 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
2891 | ||
9e1453c5 AK |
2892 | status = be_cmd_get_cntl_attributes(adapter); |
2893 | if (status) | |
2894 | return status; | |
2895 | ||
2e588f84 | 2896 | be_cmd_check_native_mode(adapter); |
2243e2e9 | 2897 | return 0; |
6b7c5b94 SP |
2898 | } |
2899 | ||
fe6d2a38 SP |
2900 | static int be_dev_family_check(struct be_adapter *adapter) |
2901 | { | |
2902 | struct pci_dev *pdev = adapter->pdev; | |
2903 | u32 sli_intf = 0, if_type; | |
2904 | ||
2905 | switch (pdev->device) { | |
2906 | case BE_DEVICE_ID1: | |
2907 | case OC_DEVICE_ID1: | |
2908 | adapter->generation = BE_GEN2; | |
2909 | break; | |
2910 | case BE_DEVICE_ID2: | |
2911 | case OC_DEVICE_ID2: | |
2912 | adapter->generation = BE_GEN3; | |
2913 | break; | |
2914 | case OC_DEVICE_ID3: | |
2915 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); | |
2916 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> | |
2917 | SLI_INTF_IF_TYPE_SHIFT; | |
2918 | ||
2919 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || | |
2920 | if_type != 0x02) { | |
2921 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); | |
2922 | return -EINVAL; | |
2923 | } | |
2924 | if (num_vfs > 0) { | |
2925 | dev_err(&pdev->dev, "VFs not supported\n"); | |
2926 | return -EINVAL; | |
2927 | } | |
2928 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> | |
2929 | SLI_INTF_FAMILY_SHIFT); | |
2930 | adapter->generation = BE_GEN3; | |
2931 | break; | |
2932 | default: | |
2933 | adapter->generation = 0; | |
2934 | } | |
2935 | return 0; | |
2936 | } | |
2937 | ||
37eed1cb PR |
2938 | static int lancer_wait_ready(struct be_adapter *adapter) |
2939 | { | |
2940 | #define SLIPORT_READY_TIMEOUT 500 | |
2941 | u32 sliport_status; | |
2942 | int status = 0, i; | |
2943 | ||
2944 | for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) { | |
2945 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
2946 | if (sliport_status & SLIPORT_STATUS_RDY_MASK) | |
2947 | break; | |
2948 | ||
2949 | msleep(20); | |
2950 | } | |
2951 | ||
2952 | if (i == SLIPORT_READY_TIMEOUT) | |
2953 | status = -1; | |
2954 | ||
2955 | return status; | |
2956 | } | |
2957 | ||
2958 | static int lancer_test_and_set_rdy_state(struct be_adapter *adapter) | |
2959 | { | |
2960 | int status; | |
2961 | u32 sliport_status, err, reset_needed; | |
2962 | status = lancer_wait_ready(adapter); | |
2963 | if (!status) { | |
2964 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
2965 | err = sliport_status & SLIPORT_STATUS_ERR_MASK; | |
2966 | reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK; | |
2967 | if (err && reset_needed) { | |
2968 | iowrite32(SLI_PORT_CONTROL_IP_MASK, | |
2969 | adapter->db + SLIPORT_CONTROL_OFFSET); | |
2970 | ||
2971 | /* check adapter has corrected the error */ | |
2972 | status = lancer_wait_ready(adapter); | |
2973 | sliport_status = ioread32(adapter->db + | |
2974 | SLIPORT_STATUS_OFFSET); | |
2975 | sliport_status &= (SLIPORT_STATUS_ERR_MASK | | |
2976 | SLIPORT_STATUS_RN_MASK); | |
2977 | if (status || sliport_status) | |
2978 | status = -1; | |
2979 | } else if (err || reset_needed) { | |
2980 | status = -1; | |
2981 | } | |
2982 | } | |
2983 | return status; | |
2984 | } | |
2985 | ||
6b7c5b94 SP |
2986 | static int __devinit be_probe(struct pci_dev *pdev, |
2987 | const struct pci_device_id *pdev_id) | |
2988 | { | |
2989 | int status = 0; | |
2990 | struct be_adapter *adapter; | |
2991 | struct net_device *netdev; | |
6b7c5b94 SP |
2992 | |
2993 | status = pci_enable_device(pdev); | |
2994 | if (status) | |
2995 | goto do_none; | |
2996 | ||
2997 | status = pci_request_regions(pdev, DRV_NAME); | |
2998 | if (status) | |
2999 | goto disable_dev; | |
3000 | pci_set_master(pdev); | |
3001 | ||
3002 | netdev = alloc_etherdev(sizeof(struct be_adapter)); | |
3003 | if (netdev == NULL) { | |
3004 | status = -ENOMEM; | |
3005 | goto rel_reg; | |
3006 | } | |
3007 | adapter = netdev_priv(netdev); | |
3008 | adapter->pdev = pdev; | |
3009 | pci_set_drvdata(pdev, adapter); | |
fe6d2a38 SP |
3010 | |
3011 | status = be_dev_family_check(adapter); | |
63657b9c | 3012 | if (status) |
fe6d2a38 SP |
3013 | goto free_netdev; |
3014 | ||
6b7c5b94 | 3015 | adapter->netdev = netdev; |
2243e2e9 | 3016 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 3017 | |
2b7bcebf | 3018 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
3019 | if (!status) { |
3020 | netdev->features |= NETIF_F_HIGHDMA; | |
3021 | } else { | |
2b7bcebf | 3022 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
3023 | if (status) { |
3024 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
3025 | goto free_netdev; | |
3026 | } | |
3027 | } | |
3028 | ||
ba343c77 | 3029 | be_sriov_enable(adapter); |
48f5a191 AK |
3030 | if (adapter->sriov_enabled) { |
3031 | adapter->vf_cfg = kcalloc(num_vfs, | |
3032 | sizeof(struct be_vf_cfg), GFP_KERNEL); | |
3033 | ||
3034 | if (!adapter->vf_cfg) | |
3035 | goto free_netdev; | |
3036 | } | |
ba343c77 | 3037 | |
6b7c5b94 SP |
3038 | status = be_ctrl_init(adapter); |
3039 | if (status) | |
48f5a191 | 3040 | goto free_vf_cfg; |
6b7c5b94 | 3041 | |
37eed1cb PR |
3042 | if (lancer_chip(adapter)) { |
3043 | status = lancer_test_and_set_rdy_state(adapter); | |
3044 | if (status) { | |
3045 | dev_err(&pdev->dev, "Adapter in non recoverable error\n"); | |
48f5a191 | 3046 | goto ctrl_clean; |
37eed1cb PR |
3047 | } |
3048 | } | |
3049 | ||
2243e2e9 | 3050 | /* sync up with fw's ready state */ |
ba343c77 SB |
3051 | if (be_physfn(adapter)) { |
3052 | status = be_cmd_POST(adapter); | |
3053 | if (status) | |
3054 | goto ctrl_clean; | |
ba343c77 | 3055 | } |
6b7c5b94 | 3056 | |
2243e2e9 SP |
3057 | /* tell fw we're ready to fire cmds */ |
3058 | status = be_cmd_fw_init(adapter); | |
6b7c5b94 | 3059 | if (status) |
2243e2e9 SP |
3060 | goto ctrl_clean; |
3061 | ||
a4b4dfab AK |
3062 | status = be_cmd_reset_function(adapter); |
3063 | if (status) | |
3064 | goto ctrl_clean; | |
556ae191 | 3065 | |
2243e2e9 SP |
3066 | status = be_stats_init(adapter); |
3067 | if (status) | |
3068 | goto ctrl_clean; | |
3069 | ||
3070 | status = be_get_config(adapter); | |
6b7c5b94 SP |
3071 | if (status) |
3072 | goto stats_clean; | |
6b7c5b94 | 3073 | |
3abcdeda SP |
3074 | be_msix_enable(adapter); |
3075 | ||
6b7c5b94 | 3076 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
6b7c5b94 | 3077 | |
5fb379ee SP |
3078 | status = be_setup(adapter); |
3079 | if (status) | |
3abcdeda | 3080 | goto msix_disable; |
2243e2e9 | 3081 | |
3abcdeda | 3082 | be_netdev_init(netdev); |
6b7c5b94 SP |
3083 | status = register_netdev(netdev); |
3084 | if (status != 0) | |
5fb379ee | 3085 | goto unsetup; |
63a76944 | 3086 | netif_carrier_off(netdev); |
6b7c5b94 | 3087 | |
e6319365 | 3088 | if (be_physfn(adapter) && adapter->sriov_enabled) { |
d0381c42 AK |
3089 | u8 mac_speed; |
3090 | bool link_up; | |
3091 | u16 vf, lnk_speed; | |
3092 | ||
e6319365 AK |
3093 | status = be_vf_eth_addr_config(adapter); |
3094 | if (status) | |
3095 | goto unreg_netdev; | |
d0381c42 AK |
3096 | |
3097 | for (vf = 0; vf < num_vfs; vf++) { | |
3098 | status = be_cmd_link_status_query(adapter, &link_up, | |
3099 | &mac_speed, &lnk_speed, vf + 1); | |
3100 | if (!status) | |
3101 | adapter->vf_cfg[vf].vf_tx_rate = lnk_speed * 10; | |
3102 | else | |
3103 | goto unreg_netdev; | |
3104 | } | |
e6319365 AK |
3105 | } |
3106 | ||
c4ca2374 | 3107 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); |
f203af70 | 3108 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
6b7c5b94 SP |
3109 | return 0; |
3110 | ||
e6319365 AK |
3111 | unreg_netdev: |
3112 | unregister_netdev(netdev); | |
5fb379ee SP |
3113 | unsetup: |
3114 | be_clear(adapter); | |
3abcdeda SP |
3115 | msix_disable: |
3116 | be_msix_disable(adapter); | |
6b7c5b94 SP |
3117 | stats_clean: |
3118 | be_stats_cleanup(adapter); | |
3119 | ctrl_clean: | |
3120 | be_ctrl_cleanup(adapter); | |
48f5a191 AK |
3121 | free_vf_cfg: |
3122 | kfree(adapter->vf_cfg); | |
6b7c5b94 | 3123 | free_netdev: |
ba343c77 | 3124 | be_sriov_disable(adapter); |
fe6d2a38 | 3125 | free_netdev(netdev); |
8d56ff11 | 3126 | pci_set_drvdata(pdev, NULL); |
6b7c5b94 SP |
3127 | rel_reg: |
3128 | pci_release_regions(pdev); | |
3129 | disable_dev: | |
3130 | pci_disable_device(pdev); | |
3131 | do_none: | |
c4ca2374 | 3132 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
3133 | return status; |
3134 | } | |
3135 | ||
3136 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
3137 | { | |
3138 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3139 | struct net_device *netdev = adapter->netdev; | |
3140 | ||
a4ca055f | 3141 | cancel_delayed_work_sync(&adapter->work); |
71d8d1b5 AK |
3142 | if (adapter->wol) |
3143 | be_setup_wol(adapter, true); | |
3144 | ||
6b7c5b94 SP |
3145 | netif_device_detach(netdev); |
3146 | if (netif_running(netdev)) { | |
3147 | rtnl_lock(); | |
3148 | be_close(netdev); | |
3149 | rtnl_unlock(); | |
3150 | } | |
9e90c961 | 3151 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); |
9b0365f1 | 3152 | be_clear(adapter); |
6b7c5b94 | 3153 | |
a4ca055f | 3154 | be_msix_disable(adapter); |
6b7c5b94 SP |
3155 | pci_save_state(pdev); |
3156 | pci_disable_device(pdev); | |
3157 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
3158 | return 0; | |
3159 | } | |
3160 | ||
3161 | static int be_resume(struct pci_dev *pdev) | |
3162 | { | |
3163 | int status = 0; | |
3164 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3165 | struct net_device *netdev = adapter->netdev; | |
3166 | ||
3167 | netif_device_detach(netdev); | |
3168 | ||
3169 | status = pci_enable_device(pdev); | |
3170 | if (status) | |
3171 | return status; | |
3172 | ||
3173 | pci_set_power_state(pdev, 0); | |
3174 | pci_restore_state(pdev); | |
3175 | ||
a4ca055f | 3176 | be_msix_enable(adapter); |
2243e2e9 SP |
3177 | /* tell fw we're ready to fire cmds */ |
3178 | status = be_cmd_fw_init(adapter); | |
3179 | if (status) | |
3180 | return status; | |
3181 | ||
9b0365f1 | 3182 | be_setup(adapter); |
6b7c5b94 SP |
3183 | if (netif_running(netdev)) { |
3184 | rtnl_lock(); | |
3185 | be_open(netdev); | |
3186 | rtnl_unlock(); | |
3187 | } | |
3188 | netif_device_attach(netdev); | |
71d8d1b5 AK |
3189 | |
3190 | if (adapter->wol) | |
3191 | be_setup_wol(adapter, false); | |
a4ca055f AK |
3192 | |
3193 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); | |
6b7c5b94 SP |
3194 | return 0; |
3195 | } | |
3196 | ||
82456b03 SP |
3197 | /* |
3198 | * An FLR will stop BE from DMAing any data. | |
3199 | */ | |
3200 | static void be_shutdown(struct pci_dev *pdev) | |
3201 | { | |
3202 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
82456b03 | 3203 | |
2d5d4154 AK |
3204 | if (!adapter) |
3205 | return; | |
82456b03 | 3206 | |
0f4a6828 | 3207 | cancel_delayed_work_sync(&adapter->work); |
a4ca055f | 3208 | |
2d5d4154 | 3209 | netif_device_detach(adapter->netdev); |
82456b03 | 3210 | |
82456b03 SP |
3211 | if (adapter->wol) |
3212 | be_setup_wol(adapter, true); | |
3213 | ||
57841869 AK |
3214 | be_cmd_reset_function(adapter); |
3215 | ||
82456b03 | 3216 | pci_disable_device(pdev); |
82456b03 SP |
3217 | } |
3218 | ||
cf588477 SP |
3219 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
3220 | pci_channel_state_t state) | |
3221 | { | |
3222 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3223 | struct net_device *netdev = adapter->netdev; | |
3224 | ||
3225 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
3226 | ||
3227 | adapter->eeh_err = true; | |
3228 | ||
3229 | netif_device_detach(netdev); | |
3230 | ||
3231 | if (netif_running(netdev)) { | |
3232 | rtnl_lock(); | |
3233 | be_close(netdev); | |
3234 | rtnl_unlock(); | |
3235 | } | |
3236 | be_clear(adapter); | |
3237 | ||
3238 | if (state == pci_channel_io_perm_failure) | |
3239 | return PCI_ERS_RESULT_DISCONNECT; | |
3240 | ||
3241 | pci_disable_device(pdev); | |
3242 | ||
3243 | return PCI_ERS_RESULT_NEED_RESET; | |
3244 | } | |
3245 | ||
3246 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
3247 | { | |
3248 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3249 | int status; | |
3250 | ||
3251 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
3252 | adapter->eeh_err = false; | |
3253 | ||
3254 | status = pci_enable_device(pdev); | |
3255 | if (status) | |
3256 | return PCI_ERS_RESULT_DISCONNECT; | |
3257 | ||
3258 | pci_set_master(pdev); | |
3259 | pci_set_power_state(pdev, 0); | |
3260 | pci_restore_state(pdev); | |
3261 | ||
3262 | /* Check if card is ok and fw is ready */ | |
3263 | status = be_cmd_POST(adapter); | |
3264 | if (status) | |
3265 | return PCI_ERS_RESULT_DISCONNECT; | |
3266 | ||
3267 | return PCI_ERS_RESULT_RECOVERED; | |
3268 | } | |
3269 | ||
3270 | static void be_eeh_resume(struct pci_dev *pdev) | |
3271 | { | |
3272 | int status = 0; | |
3273 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3274 | struct net_device *netdev = adapter->netdev; | |
3275 | ||
3276 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
3277 | ||
3278 | pci_save_state(pdev); | |
3279 | ||
3280 | /* tell fw we're ready to fire cmds */ | |
3281 | status = be_cmd_fw_init(adapter); | |
3282 | if (status) | |
3283 | goto err; | |
3284 | ||
3285 | status = be_setup(adapter); | |
3286 | if (status) | |
3287 | goto err; | |
3288 | ||
3289 | if (netif_running(netdev)) { | |
3290 | status = be_open(netdev); | |
3291 | if (status) | |
3292 | goto err; | |
3293 | } | |
3294 | netif_device_attach(netdev); | |
3295 | return; | |
3296 | err: | |
3297 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
3298 | } |
3299 | ||
3300 | static struct pci_error_handlers be_eeh_handlers = { | |
3301 | .error_detected = be_eeh_err_detected, | |
3302 | .slot_reset = be_eeh_reset, | |
3303 | .resume = be_eeh_resume, | |
3304 | }; | |
3305 | ||
6b7c5b94 SP |
3306 | static struct pci_driver be_driver = { |
3307 | .name = DRV_NAME, | |
3308 | .id_table = be_dev_ids, | |
3309 | .probe = be_probe, | |
3310 | .remove = be_remove, | |
3311 | .suspend = be_suspend, | |
cf588477 | 3312 | .resume = be_resume, |
82456b03 | 3313 | .shutdown = be_shutdown, |
cf588477 | 3314 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
3315 | }; |
3316 | ||
3317 | static int __init be_init_module(void) | |
3318 | { | |
8e95a202 JP |
3319 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
3320 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
3321 | printk(KERN_WARNING DRV_NAME |
3322 | " : Module param rx_frag_size must be 2048/4096/8192." | |
3323 | " Using 2048\n"); | |
3324 | rx_frag_size = 2048; | |
3325 | } | |
6b7c5b94 SP |
3326 | |
3327 | return pci_register_driver(&be_driver); | |
3328 | } | |
3329 | module_init(be_init_module); | |
3330 | ||
3331 | static void __exit be_exit_module(void) | |
3332 | { | |
3333 | pci_unregister_driver(&be_driver); | |
3334 | } | |
3335 | module_exit(be_exit_module); |