]>
Commit | Line | Data |
---|---|---|
6b7c5b94 | 1 | /* |
294aedcf | 2 | * Copyright (C) 2005 - 2010 ServerEngines |
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: | |
11 | * linux-drivers@serverengines.com | |
12 | * | |
13 | * ServerEngines | |
14 | * 209 N. Fair Oaks Ave | |
15 | * Sunnyvale, CA 94085 | |
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 | ||
28 | static unsigned int rx_frag_size = 2048; | |
ba343c77 | 29 | static unsigned int num_vfs; |
6b7c5b94 | 30 | module_param(rx_frag_size, uint, 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 | 118 | |
3abcdeda SP |
119 | static inline bool be_multi_rxq(struct be_adapter *adapter) |
120 | { | |
121 | return (adapter->num_rx_qs > 1); | |
122 | } | |
123 | ||
6b7c5b94 SP |
124 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
125 | { | |
126 | struct be_dma_mem *mem = &q->dma_mem; | |
127 | if (mem->va) | |
2b7bcebf IV |
128 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
129 | mem->dma); | |
6b7c5b94 SP |
130 | } |
131 | ||
132 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
133 | u16 len, u16 entry_size) | |
134 | { | |
135 | struct be_dma_mem *mem = &q->dma_mem; | |
136 | ||
137 | memset(q, 0, sizeof(*q)); | |
138 | q->len = len; | |
139 | q->entry_size = entry_size; | |
140 | mem->size = len * entry_size; | |
2b7bcebf IV |
141 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
142 | GFP_KERNEL); | |
6b7c5b94 SP |
143 | if (!mem->va) |
144 | return -1; | |
145 | memset(mem->va, 0, mem->size); | |
146 | return 0; | |
147 | } | |
148 | ||
8788fdc2 | 149 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 150 | { |
8788fdc2 | 151 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; |
6b7c5b94 SP |
152 | u32 reg = ioread32(addr); |
153 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
5f0b849e | 154 | |
cf588477 SP |
155 | if (adapter->eeh_err) |
156 | return; | |
157 | ||
5f0b849e | 158 | if (!enabled && enable) |
6b7c5b94 | 159 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 160 | else if (enabled && !enable) |
6b7c5b94 | 161 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 162 | else |
6b7c5b94 | 163 | return; |
5f0b849e | 164 | |
6b7c5b94 SP |
165 | iowrite32(reg, addr); |
166 | } | |
167 | ||
8788fdc2 | 168 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
169 | { |
170 | u32 val = 0; | |
171 | val |= qid & DB_RQ_RING_ID_MASK; | |
172 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
173 | |
174 | wmb(); | |
8788fdc2 | 175 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
176 | } |
177 | ||
8788fdc2 | 178 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
179 | { |
180 | u32 val = 0; | |
181 | val |= qid & DB_TXULP_RING_ID_MASK; | |
182 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
183 | |
184 | wmb(); | |
8788fdc2 | 185 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); |
6b7c5b94 SP |
186 | } |
187 | ||
8788fdc2 | 188 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
189 | bool arm, bool clear_int, u16 num_popped) |
190 | { | |
191 | u32 val = 0; | |
192 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
193 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
194 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
195 | |
196 | if (adapter->eeh_err) | |
197 | return; | |
198 | ||
6b7c5b94 SP |
199 | if (arm) |
200 | val |= 1 << DB_EQ_REARM_SHIFT; | |
201 | if (clear_int) | |
202 | val |= 1 << DB_EQ_CLR_SHIFT; | |
203 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
204 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 205 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
206 | } |
207 | ||
8788fdc2 | 208 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
209 | { |
210 | u32 val = 0; | |
211 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
212 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
213 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
214 | |
215 | if (adapter->eeh_err) | |
216 | return; | |
217 | ||
6b7c5b94 SP |
218 | if (arm) |
219 | val |= 1 << DB_CQ_REARM_SHIFT; | |
220 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 221 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
222 | } |
223 | ||
6b7c5b94 SP |
224 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
225 | { | |
226 | struct be_adapter *adapter = netdev_priv(netdev); | |
227 | struct sockaddr *addr = p; | |
228 | int status = 0; | |
229 | ||
ca9e4988 AK |
230 | if (!is_valid_ether_addr(addr->sa_data)) |
231 | return -EADDRNOTAVAIL; | |
232 | ||
ba343c77 SB |
233 | /* MAC addr configuration will be done in hardware for VFs |
234 | * by their corresponding PFs. Just copy to netdev addr here | |
235 | */ | |
236 | if (!be_physfn(adapter)) | |
237 | goto netdev_addr; | |
238 | ||
a65027e4 SP |
239 | status = be_cmd_pmac_del(adapter, adapter->if_handle, adapter->pmac_id); |
240 | if (status) | |
241 | return status; | |
6b7c5b94 | 242 | |
a65027e4 SP |
243 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
244 | adapter->if_handle, &adapter->pmac_id); | |
ba343c77 | 245 | netdev_addr: |
6b7c5b94 SP |
246 | if (!status) |
247 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
248 | ||
249 | return status; | |
250 | } | |
251 | ||
b31c50a7 | 252 | void netdev_stats_update(struct be_adapter *adapter) |
6b7c5b94 | 253 | { |
3abcdeda | 254 | struct be_hw_stats *hw_stats = hw_stats_from_cmd(adapter->stats_cmd.va); |
6b7c5b94 SP |
255 | struct be_rxf_stats *rxf_stats = &hw_stats->rxf; |
256 | struct be_port_rxf_stats *port_stats = | |
257 | &rxf_stats->port[adapter->port_num]; | |
78122a52 | 258 | struct net_device_stats *dev_stats = &adapter->netdev->stats; |
68110868 | 259 | struct be_erx_stats *erx_stats = &hw_stats->erx; |
3abcdeda SP |
260 | struct be_rx_obj *rxo; |
261 | int i; | |
6b7c5b94 | 262 | |
3abcdeda SP |
263 | memset(dev_stats, 0, sizeof(*dev_stats)); |
264 | for_all_rx_queues(adapter, rxo, i) { | |
265 | dev_stats->rx_packets += rx_stats(rxo)->rx_pkts; | |
266 | dev_stats->rx_bytes += rx_stats(rxo)->rx_bytes; | |
267 | dev_stats->multicast += rx_stats(rxo)->rx_mcast_pkts; | |
268 | /* no space in linux buffers: best possible approximation */ | |
269 | dev_stats->rx_dropped += | |
270 | erx_stats->rx_drops_no_fragments[rxo->q.id]; | |
271 | } | |
272 | ||
273 | dev_stats->tx_packets = tx_stats(adapter)->be_tx_pkts; | |
274 | dev_stats->tx_bytes = tx_stats(adapter)->be_tx_bytes; | |
6b7c5b94 SP |
275 | |
276 | /* bad pkts received */ | |
277 | dev_stats->rx_errors = port_stats->rx_crc_errors + | |
278 | port_stats->rx_alignment_symbol_errors + | |
279 | port_stats->rx_in_range_errors + | |
68110868 SP |
280 | port_stats->rx_out_range_errors + |
281 | port_stats->rx_frame_too_long + | |
282 | port_stats->rx_dropped_too_small + | |
283 | port_stats->rx_dropped_too_short + | |
284 | port_stats->rx_dropped_header_too_small + | |
285 | port_stats->rx_dropped_tcp_length + | |
286 | port_stats->rx_dropped_runt + | |
287 | port_stats->rx_tcp_checksum_errs + | |
288 | port_stats->rx_ip_checksum_errs + | |
289 | port_stats->rx_udp_checksum_errs; | |
290 | ||
6b7c5b94 SP |
291 | /* detailed rx errors */ |
292 | dev_stats->rx_length_errors = port_stats->rx_in_range_errors + | |
68110868 SP |
293 | port_stats->rx_out_range_errors + |
294 | port_stats->rx_frame_too_long; | |
295 | ||
6b7c5b94 SP |
296 | dev_stats->rx_crc_errors = port_stats->rx_crc_errors; |
297 | ||
298 | /* frame alignment errors */ | |
299 | dev_stats->rx_frame_errors = port_stats->rx_alignment_symbol_errors; | |
68110868 | 300 | |
6b7c5b94 SP |
301 | /* receiver fifo overrun */ |
302 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
303 | dev_stats->rx_fifo_errors = port_stats->rx_fifo_overflow + | |
304 | port_stats->rx_input_fifo_overflow + | |
305 | rxf_stats->rx_drops_no_pbuf; | |
6b7c5b94 SP |
306 | } |
307 | ||
8788fdc2 | 308 | void be_link_status_update(struct be_adapter *adapter, bool link_up) |
6b7c5b94 | 309 | { |
6b7c5b94 SP |
310 | struct net_device *netdev = adapter->netdev; |
311 | ||
6b7c5b94 | 312 | /* If link came up or went down */ |
a8f447bd | 313 | if (adapter->link_up != link_up) { |
0dffc83e | 314 | adapter->link_speed = -1; |
a8f447bd | 315 | if (link_up) { |
6b7c5b94 SP |
316 | netif_carrier_on(netdev); |
317 | printk(KERN_INFO "%s: Link up\n", netdev->name); | |
a8f447bd | 318 | } else { |
a8f447bd SP |
319 | netif_carrier_off(netdev); |
320 | printk(KERN_INFO "%s: Link down\n", netdev->name); | |
6b7c5b94 | 321 | } |
a8f447bd | 322 | adapter->link_up = link_up; |
6b7c5b94 | 323 | } |
6b7c5b94 SP |
324 | } |
325 | ||
326 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ | |
3abcdeda | 327 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 | 328 | { |
3abcdeda SP |
329 | struct be_eq_obj *rx_eq = &rxo->rx_eq; |
330 | struct be_rx_stats *stats = &rxo->stats; | |
4097f663 SP |
331 | ulong now = jiffies; |
332 | u32 eqd; | |
333 | ||
334 | if (!rx_eq->enable_aic) | |
335 | return; | |
336 | ||
337 | /* Wrapped around */ | |
338 | if (time_before(now, stats->rx_fps_jiffies)) { | |
339 | stats->rx_fps_jiffies = now; | |
340 | return; | |
341 | } | |
6b7c5b94 SP |
342 | |
343 | /* Update once a second */ | |
4097f663 | 344 | if ((now - stats->rx_fps_jiffies) < HZ) |
6b7c5b94 SP |
345 | return; |
346 | ||
3abcdeda | 347 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / |
4097f663 | 348 | ((now - stats->rx_fps_jiffies) / HZ); |
6b7c5b94 | 349 | |
4097f663 | 350 | stats->rx_fps_jiffies = now; |
3abcdeda SP |
351 | stats->prev_rx_frags = stats->rx_frags; |
352 | eqd = stats->rx_fps / 110000; | |
6b7c5b94 SP |
353 | eqd = eqd << 3; |
354 | if (eqd > rx_eq->max_eqd) | |
355 | eqd = rx_eq->max_eqd; | |
356 | if (eqd < rx_eq->min_eqd) | |
357 | eqd = rx_eq->min_eqd; | |
358 | if (eqd < 10) | |
359 | eqd = 0; | |
360 | if (eqd != rx_eq->cur_eqd) | |
8788fdc2 | 361 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); |
6b7c5b94 SP |
362 | |
363 | rx_eq->cur_eqd = eqd; | |
364 | } | |
365 | ||
65f71b8b SH |
366 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) |
367 | { | |
368 | u64 rate = bytes; | |
369 | ||
370 | do_div(rate, ticks / HZ); | |
371 | rate <<= 3; /* bytes/sec -> bits/sec */ | |
372 | do_div(rate, 1000000ul); /* MB/Sec */ | |
373 | ||
374 | return rate; | |
375 | } | |
376 | ||
4097f663 SP |
377 | static void be_tx_rate_update(struct be_adapter *adapter) |
378 | { | |
3abcdeda | 379 | struct be_tx_stats *stats = tx_stats(adapter); |
4097f663 SP |
380 | ulong now = jiffies; |
381 | ||
382 | /* Wrapped around? */ | |
383 | if (time_before(now, stats->be_tx_jiffies)) { | |
384 | stats->be_tx_jiffies = now; | |
385 | return; | |
386 | } | |
387 | ||
388 | /* Update tx rate once in two seconds */ | |
389 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { | |
65f71b8b SH |
390 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes |
391 | - stats->be_tx_bytes_prev, | |
392 | now - stats->be_tx_jiffies); | |
4097f663 SP |
393 | stats->be_tx_jiffies = now; |
394 | stats->be_tx_bytes_prev = stats->be_tx_bytes; | |
395 | } | |
396 | } | |
397 | ||
6b7c5b94 | 398 | static void be_tx_stats_update(struct be_adapter *adapter, |
91992e44 | 399 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 400 | { |
3abcdeda | 401 | struct be_tx_stats *stats = tx_stats(adapter); |
6b7c5b94 SP |
402 | stats->be_tx_reqs++; |
403 | stats->be_tx_wrbs += wrb_cnt; | |
404 | stats->be_tx_bytes += copied; | |
91992e44 | 405 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); |
6b7c5b94 SP |
406 | if (stopped) |
407 | stats->be_tx_stops++; | |
6b7c5b94 SP |
408 | } |
409 | ||
410 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
411 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
412 | bool *dummy) | |
6b7c5b94 | 413 | { |
ebc8d2ab DM |
414 | int cnt = (skb->len > skb->data_len); |
415 | ||
416 | cnt += skb_shinfo(skb)->nr_frags; | |
417 | ||
6b7c5b94 SP |
418 | /* to account for hdr wrb */ |
419 | cnt++; | |
fe6d2a38 SP |
420 | if (lancer_chip(adapter) || !(cnt & 1)) { |
421 | *dummy = false; | |
422 | } else { | |
6b7c5b94 SP |
423 | /* add a dummy to make it an even num */ |
424 | cnt++; | |
425 | *dummy = true; | |
fe6d2a38 | 426 | } |
6b7c5b94 SP |
427 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
428 | return cnt; | |
429 | } | |
430 | ||
431 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
432 | { | |
433 | wrb->frag_pa_hi = upper_32_bits(addr); | |
434 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
435 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
436 | } | |
437 | ||
cc4ce020 SK |
438 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
439 | struct sk_buff *skb, u32 wrb_cnt, u32 len) | |
6b7c5b94 | 440 | { |
cc4ce020 SK |
441 | u8 vlan_prio = 0; |
442 | u16 vlan_tag = 0; | |
443 | ||
6b7c5b94 SP |
444 | memset(hdr, 0, sizeof(*hdr)); |
445 | ||
446 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
447 | ||
49e4b847 | 448 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
449 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
450 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
451 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 452 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 453 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
fe6d2a38 SP |
454 | if (lancer_chip(adapter) && adapter->sli_family == |
455 | LANCER_A0_SLI_FAMILY) { | |
456 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); | |
457 | if (is_tcp_pkt(skb)) | |
458 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
459 | tcpcs, hdr, 1); | |
460 | else if (is_udp_pkt(skb)) | |
461 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
462 | udpcs, hdr, 1); | |
463 | } | |
6b7c5b94 SP |
464 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
465 | if (is_tcp_pkt(skb)) | |
466 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
467 | else if (is_udp_pkt(skb)) | |
468 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
469 | } | |
470 | ||
cc4ce020 | 471 | if (adapter->vlan_grp && vlan_tx_tag_present(skb)) { |
6b7c5b94 | 472 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
cc4ce020 SK |
473 | vlan_tag = vlan_tx_tag_get(skb); |
474 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
475 | /* If vlan priority provided by OS is NOT in available bmap */ | |
476 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
477 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
478 | adapter->recommended_prio; | |
479 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); | |
6b7c5b94 SP |
480 | } |
481 | ||
482 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); | |
483 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); | |
484 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); | |
485 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
486 | } | |
487 | ||
2b7bcebf | 488 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
7101e111 SP |
489 | bool unmap_single) |
490 | { | |
491 | dma_addr_t dma; | |
492 | ||
493 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
494 | ||
495 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 496 | if (wrb->frag_len) { |
7101e111 | 497 | if (unmap_single) |
2b7bcebf IV |
498 | dma_unmap_single(dev, dma, wrb->frag_len, |
499 | DMA_TO_DEVICE); | |
7101e111 | 500 | else |
2b7bcebf | 501 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
7101e111 SP |
502 | } |
503 | } | |
6b7c5b94 SP |
504 | |
505 | static int make_tx_wrbs(struct be_adapter *adapter, | |
506 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) | |
507 | { | |
7101e111 SP |
508 | dma_addr_t busaddr; |
509 | int i, copied = 0; | |
2b7bcebf | 510 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 SP |
511 | struct sk_buff *first_skb = skb; |
512 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
513 | struct be_eth_wrb *wrb; | |
514 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
515 | bool map_single = false; |
516 | u16 map_head; | |
6b7c5b94 | 517 | |
6b7c5b94 SP |
518 | hdr = queue_head_node(txq); |
519 | queue_head_inc(txq); | |
7101e111 | 520 | map_head = txq->head; |
6b7c5b94 | 521 | |
ebc8d2ab | 522 | if (skb->len > skb->data_len) { |
e743d313 | 523 | int len = skb_headlen(skb); |
2b7bcebf IV |
524 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
525 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 SP |
526 | goto dma_err; |
527 | map_single = true; | |
ebc8d2ab DM |
528 | wrb = queue_head_node(txq); |
529 | wrb_fill(wrb, busaddr, len); | |
530 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
531 | queue_head_inc(txq); | |
532 | copied += len; | |
533 | } | |
6b7c5b94 | 534 | |
ebc8d2ab DM |
535 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
536 | struct skb_frag_struct *frag = | |
537 | &skb_shinfo(skb)->frags[i]; | |
2b7bcebf IV |
538 | busaddr = dma_map_page(dev, frag->page, frag->page_offset, |
539 | frag->size, DMA_TO_DEVICE); | |
540 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 | 541 | goto dma_err; |
ebc8d2ab DM |
542 | wrb = queue_head_node(txq); |
543 | wrb_fill(wrb, busaddr, frag->size); | |
544 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
545 | queue_head_inc(txq); | |
546 | copied += frag->size; | |
6b7c5b94 SP |
547 | } |
548 | ||
549 | if (dummy_wrb) { | |
550 | wrb = queue_head_node(txq); | |
551 | wrb_fill(wrb, 0, 0); | |
552 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
553 | queue_head_inc(txq); | |
554 | } | |
555 | ||
cc4ce020 | 556 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
6b7c5b94 SP |
557 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
558 | ||
559 | return copied; | |
7101e111 SP |
560 | dma_err: |
561 | txq->head = map_head; | |
562 | while (copied) { | |
563 | wrb = queue_head_node(txq); | |
2b7bcebf | 564 | unmap_tx_frag(dev, wrb, map_single); |
7101e111 SP |
565 | map_single = false; |
566 | copied -= wrb->frag_len; | |
567 | queue_head_inc(txq); | |
568 | } | |
569 | return 0; | |
6b7c5b94 SP |
570 | } |
571 | ||
61357325 | 572 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
b31c50a7 | 573 | struct net_device *netdev) |
6b7c5b94 SP |
574 | { |
575 | struct be_adapter *adapter = netdev_priv(netdev); | |
576 | struct be_tx_obj *tx_obj = &adapter->tx_obj; | |
577 | struct be_queue_info *txq = &tx_obj->q; | |
578 | u32 wrb_cnt = 0, copied = 0; | |
579 | u32 start = txq->head; | |
580 | bool dummy_wrb, stopped = false; | |
581 | ||
fe6d2a38 | 582 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 SP |
583 | |
584 | copied = make_tx_wrbs(adapter, skb, wrb_cnt, dummy_wrb); | |
c190e3c8 AK |
585 | if (copied) { |
586 | /* record the sent skb in the sent_skb table */ | |
587 | BUG_ON(tx_obj->sent_skb_list[start]); | |
588 | tx_obj->sent_skb_list[start] = skb; | |
589 | ||
590 | /* Ensure txq has space for the next skb; Else stop the queue | |
591 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
592 | * tx compls of the current transmit which'll wake up the queue | |
593 | */ | |
7101e111 | 594 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
595 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
596 | txq->len) { | |
597 | netif_stop_queue(netdev); | |
598 | stopped = true; | |
599 | } | |
6b7c5b94 | 600 | |
c190e3c8 | 601 | be_txq_notify(adapter, txq->id, wrb_cnt); |
6b7c5b94 | 602 | |
91992e44 AK |
603 | be_tx_stats_update(adapter, wrb_cnt, copied, |
604 | skb_shinfo(skb)->gso_segs, stopped); | |
c190e3c8 AK |
605 | } else { |
606 | txq->head = start; | |
607 | dev_kfree_skb_any(skb); | |
6b7c5b94 | 608 | } |
6b7c5b94 SP |
609 | return NETDEV_TX_OK; |
610 | } | |
611 | ||
612 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
613 | { | |
614 | struct be_adapter *adapter = netdev_priv(netdev); | |
615 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
616 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
617 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
618 | dev_info(&adapter->pdev->dev, |
619 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
620 | BE_MIN_MTU, |
621 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
622 | return -EINVAL; |
623 | } | |
624 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
625 | netdev->mtu, new_mtu); | |
626 | netdev->mtu = new_mtu; | |
627 | return 0; | |
628 | } | |
629 | ||
630 | /* | |
82903e4b AK |
631 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
632 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 633 | */ |
1da87b7f | 634 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) |
6b7c5b94 | 635 | { |
6b7c5b94 SP |
636 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; |
637 | u16 ntags = 0, i; | |
82903e4b | 638 | int status = 0; |
1da87b7f AK |
639 | u32 if_handle; |
640 | ||
641 | if (vf) { | |
642 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; | |
643 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); | |
644 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); | |
645 | } | |
6b7c5b94 | 646 | |
82903e4b | 647 | if (adapter->vlans_added <= adapter->max_vlans) { |
6b7c5b94 | 648 | /* Construct VLAN Table to give to HW */ |
b738127d | 649 | for (i = 0; i < VLAN_N_VID; i++) { |
6b7c5b94 SP |
650 | if (adapter->vlan_tag[i]) { |
651 | vtag[ntags] = cpu_to_le16(i); | |
652 | ntags++; | |
653 | } | |
654 | } | |
b31c50a7 SP |
655 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
656 | vtag, ntags, 1, 0); | |
6b7c5b94 | 657 | } else { |
b31c50a7 SP |
658 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
659 | NULL, 0, 1, 1); | |
6b7c5b94 | 660 | } |
1da87b7f | 661 | |
b31c50a7 | 662 | return status; |
6b7c5b94 SP |
663 | } |
664 | ||
665 | static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) | |
666 | { | |
667 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 668 | |
6b7c5b94 | 669 | adapter->vlan_grp = grp; |
6b7c5b94 SP |
670 | } |
671 | ||
672 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) | |
673 | { | |
674 | struct be_adapter *adapter = netdev_priv(netdev); | |
675 | ||
1da87b7f | 676 | adapter->vlans_added++; |
ba343c77 SB |
677 | if (!be_physfn(adapter)) |
678 | return; | |
679 | ||
6b7c5b94 | 680 | adapter->vlan_tag[vid] = 1; |
82903e4b | 681 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
1da87b7f | 682 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
683 | } |
684 | ||
685 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) | |
686 | { | |
687 | struct be_adapter *adapter = netdev_priv(netdev); | |
688 | ||
1da87b7f AK |
689 | adapter->vlans_added--; |
690 | vlan_group_set_device(adapter->vlan_grp, vid, NULL); | |
691 | ||
ba343c77 SB |
692 | if (!be_physfn(adapter)) |
693 | return; | |
694 | ||
6b7c5b94 | 695 | adapter->vlan_tag[vid] = 0; |
82903e4b | 696 | if (adapter->vlans_added <= adapter->max_vlans) |
1da87b7f | 697 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
698 | } |
699 | ||
24307eef | 700 | static void be_set_multicast_list(struct net_device *netdev) |
6b7c5b94 SP |
701 | { |
702 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 703 | |
24307eef | 704 | if (netdev->flags & IFF_PROMISC) { |
8788fdc2 | 705 | be_cmd_promiscuous_config(adapter, adapter->port_num, 1); |
24307eef SP |
706 | adapter->promiscuous = true; |
707 | goto done; | |
6b7c5b94 SP |
708 | } |
709 | ||
24307eef SP |
710 | /* BE was previously in promiscous mode; disable it */ |
711 | if (adapter->promiscuous) { | |
712 | adapter->promiscuous = false; | |
8788fdc2 | 713 | be_cmd_promiscuous_config(adapter, adapter->port_num, 0); |
6b7c5b94 SP |
714 | } |
715 | ||
e7b909a6 | 716 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf JP |
717 | if (netdev->flags & IFF_ALLMULTI || |
718 | netdev_mc_count(netdev) > BE_MAX_MC) { | |
0ddf477b | 719 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, |
e7b909a6 | 720 | &adapter->mc_cmd_mem); |
24307eef | 721 | goto done; |
6b7c5b94 | 722 | } |
6b7c5b94 | 723 | |
0ddf477b | 724 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, |
f31e50a8 | 725 | &adapter->mc_cmd_mem); |
24307eef SP |
726 | done: |
727 | return; | |
6b7c5b94 SP |
728 | } |
729 | ||
ba343c77 SB |
730 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
731 | { | |
732 | struct be_adapter *adapter = netdev_priv(netdev); | |
733 | int status; | |
734 | ||
735 | if (!adapter->sriov_enabled) | |
736 | return -EPERM; | |
737 | ||
738 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) | |
739 | return -EINVAL; | |
740 | ||
64600ea5 AK |
741 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
742 | status = be_cmd_pmac_del(adapter, | |
743 | adapter->vf_cfg[vf].vf_if_handle, | |
744 | adapter->vf_cfg[vf].vf_pmac_id); | |
ba343c77 | 745 | |
64600ea5 AK |
746 | status = be_cmd_pmac_add(adapter, mac, |
747 | adapter->vf_cfg[vf].vf_if_handle, | |
748 | &adapter->vf_cfg[vf].vf_pmac_id); | |
749 | ||
750 | if (status) | |
ba343c77 SB |
751 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
752 | mac, vf); | |
64600ea5 AK |
753 | else |
754 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
755 | ||
ba343c77 SB |
756 | return status; |
757 | } | |
758 | ||
64600ea5 AK |
759 | static int be_get_vf_config(struct net_device *netdev, int vf, |
760 | struct ifla_vf_info *vi) | |
761 | { | |
762 | struct be_adapter *adapter = netdev_priv(netdev); | |
763 | ||
764 | if (!adapter->sriov_enabled) | |
765 | return -EPERM; | |
766 | ||
767 | if (vf >= num_vfs) | |
768 | return -EINVAL; | |
769 | ||
770 | vi->vf = vf; | |
e1d18735 | 771 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; |
1da87b7f | 772 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; |
64600ea5 AK |
773 | vi->qos = 0; |
774 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); | |
775 | ||
776 | return 0; | |
777 | } | |
778 | ||
1da87b7f AK |
779 | static int be_set_vf_vlan(struct net_device *netdev, |
780 | int vf, u16 vlan, u8 qos) | |
781 | { | |
782 | struct be_adapter *adapter = netdev_priv(netdev); | |
783 | int status = 0; | |
784 | ||
785 | if (!adapter->sriov_enabled) | |
786 | return -EPERM; | |
787 | ||
788 | if ((vf >= num_vfs) || (vlan > 4095)) | |
789 | return -EINVAL; | |
790 | ||
791 | if (vlan) { | |
792 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; | |
793 | adapter->vlans_added++; | |
794 | } else { | |
795 | adapter->vf_cfg[vf].vf_vlan_tag = 0; | |
796 | adapter->vlans_added--; | |
797 | } | |
798 | ||
799 | status = be_vid_config(adapter, true, vf); | |
800 | ||
801 | if (status) | |
802 | dev_info(&adapter->pdev->dev, | |
803 | "VLAN %d config on VF %d failed\n", vlan, vf); | |
804 | return status; | |
805 | } | |
806 | ||
e1d18735 AK |
807 | static int be_set_vf_tx_rate(struct net_device *netdev, |
808 | int vf, int rate) | |
809 | { | |
810 | struct be_adapter *adapter = netdev_priv(netdev); | |
811 | int status = 0; | |
812 | ||
813 | if (!adapter->sriov_enabled) | |
814 | return -EPERM; | |
815 | ||
816 | if ((vf >= num_vfs) || (rate < 0)) | |
817 | return -EINVAL; | |
818 | ||
819 | if (rate > 10000) | |
820 | rate = 10000; | |
821 | ||
822 | adapter->vf_cfg[vf].vf_tx_rate = rate; | |
856c4012 | 823 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
e1d18735 AK |
824 | |
825 | if (status) | |
826 | dev_info(&adapter->pdev->dev, | |
827 | "tx rate %d on VF %d failed\n", rate, vf); | |
828 | return status; | |
829 | } | |
830 | ||
3abcdeda | 831 | static void be_rx_rate_update(struct be_rx_obj *rxo) |
6b7c5b94 | 832 | { |
3abcdeda | 833 | struct be_rx_stats *stats = &rxo->stats; |
4097f663 | 834 | ulong now = jiffies; |
6b7c5b94 | 835 | |
4097f663 | 836 | /* Wrapped around */ |
3abcdeda SP |
837 | if (time_before(now, stats->rx_jiffies)) { |
838 | stats->rx_jiffies = now; | |
4097f663 SP |
839 | return; |
840 | } | |
6b7c5b94 SP |
841 | |
842 | /* Update the rate once in two seconds */ | |
3abcdeda | 843 | if ((now - stats->rx_jiffies) < 2 * HZ) |
6b7c5b94 SP |
844 | return; |
845 | ||
3abcdeda SP |
846 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, |
847 | now - stats->rx_jiffies); | |
848 | stats->rx_jiffies = now; | |
849 | stats->rx_bytes_prev = stats->rx_bytes; | |
6b7c5b94 SP |
850 | } |
851 | ||
3abcdeda | 852 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
1ef78abe | 853 | u32 pktsize, u16 numfrags, u8 pkt_type) |
4097f663 | 854 | { |
3abcdeda | 855 | struct be_rx_stats *stats = &rxo->stats; |
1ef78abe | 856 | |
3abcdeda SP |
857 | stats->rx_compl++; |
858 | stats->rx_frags += numfrags; | |
859 | stats->rx_bytes += pktsize; | |
860 | stats->rx_pkts++; | |
1ef78abe | 861 | if (pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 862 | stats->rx_mcast_pkts++; |
4097f663 SP |
863 | } |
864 | ||
c6ce2f4b | 865 | static inline bool csum_passed(struct be_eth_rx_compl *rxcp) |
728a9972 | 866 | { |
c6ce2f4b | 867 | u8 l4_cksm, ipv6, ipcksm; |
728a9972 AK |
868 | |
869 | l4_cksm = AMAP_GET_BITS(struct amap_eth_rx_compl, l4_cksm, rxcp); | |
870 | ipcksm = AMAP_GET_BITS(struct amap_eth_rx_compl, ipcksm, rxcp); | |
c6ce2f4b | 871 | ipv6 = AMAP_GET_BITS(struct amap_eth_rx_compl, ip_version, rxcp); |
728a9972 | 872 | |
c6ce2f4b SK |
873 | /* Ignore ipcksm for ipv6 pkts */ |
874 | return l4_cksm && (ipcksm || ipv6); | |
728a9972 AK |
875 | } |
876 | ||
6b7c5b94 | 877 | static struct be_rx_page_info * |
3abcdeda SP |
878 | get_rx_page_info(struct be_adapter *adapter, |
879 | struct be_rx_obj *rxo, | |
880 | u16 frag_idx) | |
6b7c5b94 SP |
881 | { |
882 | struct be_rx_page_info *rx_page_info; | |
3abcdeda | 883 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 884 | |
3abcdeda | 885 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
886 | BUG_ON(!rx_page_info->page); |
887 | ||
205859a2 | 888 | if (rx_page_info->last_page_user) { |
2b7bcebf IV |
889 | dma_unmap_page(&adapter->pdev->dev, |
890 | dma_unmap_addr(rx_page_info, bus), | |
891 | adapter->big_page_size, DMA_FROM_DEVICE); | |
205859a2 AK |
892 | rx_page_info->last_page_user = false; |
893 | } | |
6b7c5b94 SP |
894 | |
895 | atomic_dec(&rxq->used); | |
896 | return rx_page_info; | |
897 | } | |
898 | ||
899 | /* Throwaway the data in the Rx completion */ | |
900 | static void be_rx_compl_discard(struct be_adapter *adapter, | |
3abcdeda SP |
901 | struct be_rx_obj *rxo, |
902 | struct be_eth_rx_compl *rxcp) | |
6b7c5b94 | 903 | { |
3abcdeda | 904 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
905 | struct be_rx_page_info *page_info; |
906 | u16 rxq_idx, i, num_rcvd; | |
907 | ||
908 | rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); | |
909 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); | |
910 | ||
64642811 SP |
911 | /* Skip out-of-buffer compl(lancer) or flush compl(BE) */ |
912 | if (likely(rxq_idx != rxo->last_frag_index && num_rcvd != 0)) { | |
913 | ||
914 | rxo->last_frag_index = rxq_idx; | |
915 | ||
916 | for (i = 0; i < num_rcvd; i++) { | |
917 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); | |
918 | put_page(page_info->page); | |
919 | memset(page_info, 0, sizeof(*page_info)); | |
920 | index_inc(&rxq_idx, rxq->len); | |
921 | } | |
6b7c5b94 SP |
922 | } |
923 | } | |
924 | ||
925 | /* | |
926 | * skb_fill_rx_data forms a complete skb for an ether frame | |
927 | * indicated by rxcp. | |
928 | */ | |
3abcdeda | 929 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, |
89420424 SP |
930 | struct sk_buff *skb, struct be_eth_rx_compl *rxcp, |
931 | u16 num_rcvd) | |
6b7c5b94 | 932 | { |
3abcdeda | 933 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 934 | struct be_rx_page_info *page_info; |
89420424 | 935 | u16 rxq_idx, i, j; |
fa77406a | 936 | u32 pktsize, hdr_len, curr_frag_len, size; |
6b7c5b94 | 937 | u8 *start; |
1ef78abe | 938 | u8 pkt_type; |
6b7c5b94 SP |
939 | |
940 | rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); | |
941 | pktsize = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp); | |
1ef78abe | 942 | pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl, cast_enc, rxcp); |
6b7c5b94 | 943 | |
3abcdeda | 944 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 SP |
945 | |
946 | start = page_address(page_info->page) + page_info->page_offset; | |
947 | prefetch(start); | |
948 | ||
949 | /* Copy data in the first descriptor of this completion */ | |
950 | curr_frag_len = min(pktsize, rx_frag_size); | |
951 | ||
952 | /* Copy the header portion into skb_data */ | |
953 | hdr_len = min((u32)BE_HDR_LEN, curr_frag_len); | |
954 | memcpy(skb->data, start, hdr_len); | |
955 | skb->len = curr_frag_len; | |
956 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
957 | /* Complete packet has now been moved to data */ | |
958 | put_page(page_info->page); | |
959 | skb->data_len = 0; | |
960 | skb->tail += curr_frag_len; | |
961 | } else { | |
962 | skb_shinfo(skb)->nr_frags = 1; | |
963 | skb_shinfo(skb)->frags[0].page = page_info->page; | |
964 | skb_shinfo(skb)->frags[0].page_offset = | |
965 | page_info->page_offset + hdr_len; | |
966 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; | |
967 | skb->data_len = curr_frag_len - hdr_len; | |
968 | skb->tail += hdr_len; | |
969 | } | |
205859a2 | 970 | page_info->page = NULL; |
6b7c5b94 SP |
971 | |
972 | if (pktsize <= rx_frag_size) { | |
973 | BUG_ON(num_rcvd != 1); | |
76fbb429 | 974 | goto done; |
6b7c5b94 SP |
975 | } |
976 | ||
977 | /* More frags present for this completion */ | |
fa77406a | 978 | size = pktsize; |
bd46cb6c | 979 | for (i = 1, j = 0; i < num_rcvd; i++) { |
fa77406a | 980 | size -= curr_frag_len; |
6b7c5b94 | 981 | index_inc(&rxq_idx, rxq->len); |
3abcdeda | 982 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 | 983 | |
fa77406a | 984 | curr_frag_len = min(size, rx_frag_size); |
6b7c5b94 | 985 | |
bd46cb6c AK |
986 | /* Coalesce all frags from the same physical page in one slot */ |
987 | if (page_info->page_offset == 0) { | |
988 | /* Fresh page */ | |
989 | j++; | |
990 | skb_shinfo(skb)->frags[j].page = page_info->page; | |
991 | skb_shinfo(skb)->frags[j].page_offset = | |
992 | page_info->page_offset; | |
993 | skb_shinfo(skb)->frags[j].size = 0; | |
994 | skb_shinfo(skb)->nr_frags++; | |
995 | } else { | |
996 | put_page(page_info->page); | |
997 | } | |
998 | ||
999 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | |
6b7c5b94 SP |
1000 | skb->len += curr_frag_len; |
1001 | skb->data_len += curr_frag_len; | |
6b7c5b94 | 1002 | |
205859a2 | 1003 | page_info->page = NULL; |
6b7c5b94 | 1004 | } |
bd46cb6c | 1005 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1006 | |
76fbb429 | 1007 | done: |
3abcdeda | 1008 | be_rx_stats_update(rxo, pktsize, num_rcvd, pkt_type); |
6b7c5b94 SP |
1009 | } |
1010 | ||
5be93b9a | 1011 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6b7c5b94 | 1012 | static void be_rx_compl_process(struct be_adapter *adapter, |
3abcdeda | 1013 | struct be_rx_obj *rxo, |
6b7c5b94 SP |
1014 | struct be_eth_rx_compl *rxcp) |
1015 | { | |
1016 | struct sk_buff *skb; | |
dcb9b564 | 1017 | u32 vlanf, vid; |
89420424 | 1018 | u16 num_rcvd; |
dcb9b564 | 1019 | u8 vtm; |
6b7c5b94 | 1020 | |
89420424 | 1021 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); |
89420424 | 1022 | |
89d71a66 | 1023 | skb = netdev_alloc_skb_ip_align(adapter->netdev, BE_HDR_LEN); |
a058a632 | 1024 | if (unlikely(!skb)) { |
6b7c5b94 SP |
1025 | if (net_ratelimit()) |
1026 | dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); | |
3abcdeda | 1027 | be_rx_compl_discard(adapter, rxo, rxcp); |
6b7c5b94 SP |
1028 | return; |
1029 | } | |
1030 | ||
3abcdeda | 1031 | skb_fill_rx_data(adapter, rxo, skb, rxcp, num_rcvd); |
6b7c5b94 | 1032 | |
c6ce2f4b | 1033 | if (likely(adapter->rx_csum && csum_passed(rxcp))) |
728a9972 | 1034 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1035 | else |
1036 | skb_checksum_none_assert(skb); | |
6b7c5b94 SP |
1037 | |
1038 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
1039 | skb->protocol = eth_type_trans(skb, adapter->netdev); | |
6b7c5b94 | 1040 | |
a058a632 SP |
1041 | vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp); |
1042 | vtm = AMAP_GET_BITS(struct amap_eth_rx_compl, vtm, rxcp); | |
1043 | ||
1044 | /* vlanf could be wrongly set in some cards. | |
1045 | * ignore if vtm is not set */ | |
3486be29 | 1046 | if ((adapter->function_mode & 0x400) && !vtm) |
a058a632 SP |
1047 | vlanf = 0; |
1048 | ||
1049 | if (unlikely(vlanf)) { | |
82903e4b | 1050 | if (!adapter->vlan_grp || adapter->vlans_added == 0) { |
6b7c5b94 SP |
1051 | kfree_skb(skb); |
1052 | return; | |
1053 | } | |
1054 | vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp); | |
fe6d2a38 SP |
1055 | if (!lancer_chip(adapter)) |
1056 | vid = swab16(vid); | |
6b7c5b94 SP |
1057 | vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, vid); |
1058 | } else { | |
1059 | netif_receive_skb(skb); | |
1060 | } | |
6b7c5b94 SP |
1061 | } |
1062 | ||
5be93b9a AK |
1063 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
1064 | static void be_rx_compl_process_gro(struct be_adapter *adapter, | |
3abcdeda SP |
1065 | struct be_rx_obj *rxo, |
1066 | struct be_eth_rx_compl *rxcp) | |
6b7c5b94 SP |
1067 | { |
1068 | struct be_rx_page_info *page_info; | |
5be93b9a | 1069 | struct sk_buff *skb = NULL; |
3abcdeda SP |
1070 | struct be_queue_info *rxq = &rxo->q; |
1071 | struct be_eq_obj *eq_obj = &rxo->rx_eq; | |
6b7c5b94 | 1072 | u32 num_rcvd, pkt_size, remaining, vlanf, curr_frag_len; |
bd46cb6c | 1073 | u16 i, rxq_idx = 0, vid, j; |
dcb9b564 | 1074 | u8 vtm; |
1ef78abe | 1075 | u8 pkt_type; |
6b7c5b94 SP |
1076 | |
1077 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, rxcp); | |
1078 | pkt_size = AMAP_GET_BITS(struct amap_eth_rx_compl, pktsize, rxcp); | |
1079 | vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl, vtp, rxcp); | |
1080 | rxq_idx = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, rxcp); | |
dcb9b564 | 1081 | vtm = AMAP_GET_BITS(struct amap_eth_rx_compl, vtm, rxcp); |
1ef78abe | 1082 | pkt_type = AMAP_GET_BITS(struct amap_eth_rx_compl, cast_enc, rxcp); |
dcb9b564 AK |
1083 | |
1084 | /* vlanf could be wrongly set in some cards. | |
1085 | * ignore if vtm is not set */ | |
3486be29 | 1086 | if ((adapter->function_mode & 0x400) && !vtm) |
dcb9b564 | 1087 | vlanf = 0; |
6b7c5b94 | 1088 | |
5be93b9a AK |
1089 | skb = napi_get_frags(&eq_obj->napi); |
1090 | if (!skb) { | |
3abcdeda | 1091 | be_rx_compl_discard(adapter, rxo, rxcp); |
5be93b9a AK |
1092 | return; |
1093 | } | |
1094 | ||
6b7c5b94 | 1095 | remaining = pkt_size; |
bd46cb6c | 1096 | for (i = 0, j = -1; i < num_rcvd; i++) { |
3abcdeda | 1097 | page_info = get_rx_page_info(adapter, rxo, rxq_idx); |
6b7c5b94 SP |
1098 | |
1099 | curr_frag_len = min(remaining, rx_frag_size); | |
1100 | ||
bd46cb6c AK |
1101 | /* Coalesce all frags from the same physical page in one slot */ |
1102 | if (i == 0 || page_info->page_offset == 0) { | |
1103 | /* First frag or Fresh page */ | |
1104 | j++; | |
5be93b9a AK |
1105 | skb_shinfo(skb)->frags[j].page = page_info->page; |
1106 | skb_shinfo(skb)->frags[j].page_offset = | |
1107 | page_info->page_offset; | |
1108 | skb_shinfo(skb)->frags[j].size = 0; | |
bd46cb6c AK |
1109 | } else { |
1110 | put_page(page_info->page); | |
1111 | } | |
5be93b9a | 1112 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
6b7c5b94 | 1113 | |
bd46cb6c | 1114 | remaining -= curr_frag_len; |
6b7c5b94 | 1115 | index_inc(&rxq_idx, rxq->len); |
6b7c5b94 SP |
1116 | memset(page_info, 0, sizeof(*page_info)); |
1117 | } | |
bd46cb6c | 1118 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1119 | |
5be93b9a AK |
1120 | skb_shinfo(skb)->nr_frags = j + 1; |
1121 | skb->len = pkt_size; | |
1122 | skb->data_len = pkt_size; | |
1123 | skb->truesize += pkt_size; | |
1124 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1125 | ||
6b7c5b94 | 1126 | if (likely(!vlanf)) { |
5be93b9a | 1127 | napi_gro_frags(&eq_obj->napi); |
6b7c5b94 SP |
1128 | } else { |
1129 | vid = AMAP_GET_BITS(struct amap_eth_rx_compl, vlan_tag, rxcp); | |
fe6d2a38 SP |
1130 | if (!lancer_chip(adapter)) |
1131 | vid = swab16(vid); | |
6b7c5b94 | 1132 | |
82903e4b | 1133 | if (!adapter->vlan_grp || adapter->vlans_added == 0) |
6b7c5b94 SP |
1134 | return; |
1135 | ||
5be93b9a | 1136 | vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, vid); |
6b7c5b94 SP |
1137 | } |
1138 | ||
3abcdeda | 1139 | be_rx_stats_update(rxo, pkt_size, num_rcvd, pkt_type); |
6b7c5b94 SP |
1140 | } |
1141 | ||
3abcdeda | 1142 | static struct be_eth_rx_compl *be_rx_compl_get(struct be_rx_obj *rxo) |
6b7c5b94 | 1143 | { |
3abcdeda | 1144 | struct be_eth_rx_compl *rxcp = queue_tail_node(&rxo->cq); |
6b7c5b94 SP |
1145 | |
1146 | if (rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] == 0) | |
1147 | return NULL; | |
1148 | ||
f3eb62d2 | 1149 | rmb(); |
6b7c5b94 SP |
1150 | be_dws_le_to_cpu(rxcp, sizeof(*rxcp)); |
1151 | ||
3abcdeda | 1152 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1153 | return rxcp; |
1154 | } | |
1155 | ||
a7a0ef31 SP |
1156 | /* To reset the valid bit, we need to reset the whole word as |
1157 | * when walking the queue the valid entries are little-endian | |
1158 | * and invalid entries are host endian | |
1159 | */ | |
1160 | static inline void be_rx_compl_reset(struct be_eth_rx_compl *rxcp) | |
1161 | { | |
1162 | rxcp->dw[offsetof(struct amap_eth_rx_compl, valid) / 32] = 0; | |
1163 | } | |
1164 | ||
6b7c5b94 SP |
1165 | static inline struct page *be_alloc_pages(u32 size) |
1166 | { | |
1167 | gfp_t alloc_flags = GFP_ATOMIC; | |
1168 | u32 order = get_order(size); | |
1169 | if (order > 0) | |
1170 | alloc_flags |= __GFP_COMP; | |
1171 | return alloc_pages(alloc_flags, order); | |
1172 | } | |
1173 | ||
1174 | /* | |
1175 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1176 | * receive buffers to BE | |
1177 | */ | |
3abcdeda | 1178 | static void be_post_rx_frags(struct be_rx_obj *rxo) |
6b7c5b94 | 1179 | { |
3abcdeda SP |
1180 | struct be_adapter *adapter = rxo->adapter; |
1181 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; | |
26d92f92 | 1182 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1183 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
1184 | struct page *pagep = NULL; |
1185 | struct be_eth_rx_d *rxd; | |
1186 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1187 | u32 posted, page_offset = 0; | |
1188 | ||
3abcdeda | 1189 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1190 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1191 | if (!pagep) { | |
1192 | pagep = be_alloc_pages(adapter->big_page_size); | |
1193 | if (unlikely(!pagep)) { | |
3abcdeda | 1194 | rxo->stats.rx_post_fail++; |
6b7c5b94 SP |
1195 | break; |
1196 | } | |
2b7bcebf IV |
1197 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
1198 | 0, adapter->big_page_size, | |
1199 | DMA_FROM_DEVICE); | |
6b7c5b94 SP |
1200 | page_info->page_offset = 0; |
1201 | } else { | |
1202 | get_page(pagep); | |
1203 | page_info->page_offset = page_offset + rx_frag_size; | |
1204 | } | |
1205 | page_offset = page_info->page_offset; | |
1206 | page_info->page = pagep; | |
fac6da5b | 1207 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1208 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1209 | ||
1210 | rxd = queue_head_node(rxq); | |
1211 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1212 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1213 | |
1214 | /* Any space left in the current big page for another frag? */ | |
1215 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1216 | adapter->big_page_size) { | |
1217 | pagep = NULL; | |
1218 | page_info->last_page_user = true; | |
1219 | } | |
26d92f92 SP |
1220 | |
1221 | prev_page_info = page_info; | |
1222 | queue_head_inc(rxq); | |
6b7c5b94 SP |
1223 | page_info = &page_info_tbl[rxq->head]; |
1224 | } | |
1225 | if (pagep) | |
26d92f92 | 1226 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1227 | |
1228 | if (posted) { | |
6b7c5b94 | 1229 | atomic_add(posted, &rxq->used); |
8788fdc2 | 1230 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1231 | } else if (atomic_read(&rxq->used) == 0) { |
1232 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1233 | rxo->rx_post_starved = true; |
6b7c5b94 | 1234 | } |
6b7c5b94 SP |
1235 | } |
1236 | ||
5fb379ee | 1237 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1238 | { |
6b7c5b94 SP |
1239 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1240 | ||
1241 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1242 | return NULL; | |
1243 | ||
f3eb62d2 | 1244 | rmb(); |
6b7c5b94 SP |
1245 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1246 | ||
1247 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1248 | ||
1249 | queue_tail_inc(tx_cq); | |
1250 | return txcp; | |
1251 | } | |
1252 | ||
1253 | static void be_tx_compl_process(struct be_adapter *adapter, u16 last_index) | |
1254 | { | |
1255 | struct be_queue_info *txq = &adapter->tx_obj.q; | |
a73b796e | 1256 | struct be_eth_wrb *wrb; |
6b7c5b94 SP |
1257 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1258 | struct sk_buff *sent_skb; | |
ec43b1a6 SP |
1259 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1260 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1261 | |
ec43b1a6 | 1262 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1263 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1264 | sent_skbs[txq->tail] = NULL; |
1265 | ||
1266 | /* skip header wrb */ | |
a73b796e | 1267 | queue_tail_inc(txq); |
6b7c5b94 | 1268 | |
ec43b1a6 | 1269 | do { |
6b7c5b94 | 1270 | cur_index = txq->tail; |
a73b796e | 1271 | wrb = queue_tail_node(txq); |
2b7bcebf IV |
1272 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
1273 | (unmap_skb_hdr && skb_headlen(sent_skb))); | |
ec43b1a6 SP |
1274 | unmap_skb_hdr = false; |
1275 | ||
6b7c5b94 SP |
1276 | num_wrbs++; |
1277 | queue_tail_inc(txq); | |
ec43b1a6 | 1278 | } while (cur_index != last_index); |
6b7c5b94 SP |
1279 | |
1280 | atomic_sub(num_wrbs, &txq->used); | |
a73b796e | 1281 | |
6b7c5b94 SP |
1282 | kfree_skb(sent_skb); |
1283 | } | |
1284 | ||
859b1e4e SP |
1285 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) |
1286 | { | |
1287 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | |
1288 | ||
1289 | if (!eqe->evt) | |
1290 | return NULL; | |
1291 | ||
f3eb62d2 | 1292 | rmb(); |
859b1e4e SP |
1293 | eqe->evt = le32_to_cpu(eqe->evt); |
1294 | queue_tail_inc(&eq_obj->q); | |
1295 | return eqe; | |
1296 | } | |
1297 | ||
1298 | static int event_handle(struct be_adapter *adapter, | |
1299 | struct be_eq_obj *eq_obj) | |
1300 | { | |
1301 | struct be_eq_entry *eqe; | |
1302 | u16 num = 0; | |
1303 | ||
1304 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1305 | eqe->evt = 0; | |
1306 | num++; | |
1307 | } | |
1308 | ||
1309 | /* Deal with any spurious interrupts that come | |
1310 | * without events | |
1311 | */ | |
1312 | be_eq_notify(adapter, eq_obj->q.id, true, true, num); | |
1313 | if (num) | |
1314 | napi_schedule(&eq_obj->napi); | |
1315 | ||
1316 | return num; | |
1317 | } | |
1318 | ||
1319 | /* Just read and notify events without processing them. | |
1320 | * Used at the time of destroying event queues */ | |
1321 | static void be_eq_clean(struct be_adapter *adapter, | |
1322 | struct be_eq_obj *eq_obj) | |
1323 | { | |
1324 | struct be_eq_entry *eqe; | |
1325 | u16 num = 0; | |
1326 | ||
1327 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1328 | eqe->evt = 0; | |
1329 | num++; | |
1330 | } | |
1331 | ||
1332 | if (num) | |
1333 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); | |
1334 | } | |
1335 | ||
3abcdeda | 1336 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 SP |
1337 | { |
1338 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1339 | struct be_queue_info *rxq = &rxo->q; |
1340 | struct be_queue_info *rx_cq = &rxo->cq; | |
6b7c5b94 SP |
1341 | struct be_eth_rx_compl *rxcp; |
1342 | u16 tail; | |
1343 | ||
1344 | /* First cleanup pending rx completions */ | |
3abcdeda SP |
1345 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { |
1346 | be_rx_compl_discard(adapter, rxo, rxcp); | |
a7a0ef31 | 1347 | be_rx_compl_reset(rxcp); |
64642811 | 1348 | be_cq_notify(adapter, rx_cq->id, false, 1); |
6b7c5b94 SP |
1349 | } |
1350 | ||
1351 | /* Then free posted rx buffer that were not used */ | |
1352 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; | |
cdab23b7 | 1353 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
3abcdeda | 1354 | page_info = get_rx_page_info(adapter, rxo, tail); |
6b7c5b94 SP |
1355 | put_page(page_info->page); |
1356 | memset(page_info, 0, sizeof(*page_info)); | |
1357 | } | |
1358 | BUG_ON(atomic_read(&rxq->used)); | |
1359 | } | |
1360 | ||
a8e9179a | 1361 | static void be_tx_compl_clean(struct be_adapter *adapter) |
6b7c5b94 | 1362 | { |
a8e9179a | 1363 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; |
6b7c5b94 | 1364 | struct be_queue_info *txq = &adapter->tx_obj.q; |
a8e9179a SP |
1365 | struct be_eth_tx_compl *txcp; |
1366 | u16 end_idx, cmpl = 0, timeo = 0; | |
b03388d6 SP |
1367 | struct sk_buff **sent_skbs = adapter->tx_obj.sent_skb_list; |
1368 | struct sk_buff *sent_skb; | |
1369 | bool dummy_wrb; | |
a8e9179a SP |
1370 | |
1371 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1372 | do { | |
1373 | while ((txcp = be_tx_compl_get(tx_cq))) { | |
1374 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1375 | wrb_index, txcp); | |
1376 | be_tx_compl_process(adapter, end_idx); | |
1377 | cmpl++; | |
1378 | } | |
1379 | if (cmpl) { | |
1380 | be_cq_notify(adapter, tx_cq->id, false, cmpl); | |
1381 | cmpl = 0; | |
1382 | } | |
1383 | ||
1384 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) | |
1385 | break; | |
1386 | ||
1387 | mdelay(1); | |
1388 | } while (true); | |
1389 | ||
1390 | if (atomic_read(&txq->used)) | |
1391 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", | |
1392 | atomic_read(&txq->used)); | |
b03388d6 SP |
1393 | |
1394 | /* free posted tx for which compls will never arrive */ | |
1395 | while (atomic_read(&txq->used)) { | |
1396 | sent_skb = sent_skbs[txq->tail]; | |
1397 | end_idx = txq->tail; | |
1398 | index_adv(&end_idx, | |
fe6d2a38 SP |
1399 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, |
1400 | txq->len); | |
b03388d6 SP |
1401 | be_tx_compl_process(adapter, end_idx); |
1402 | } | |
6b7c5b94 SP |
1403 | } |
1404 | ||
5fb379ee SP |
1405 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
1406 | { | |
1407 | struct be_queue_info *q; | |
5fb379ee | 1408 | |
8788fdc2 | 1409 | q = &adapter->mcc_obj.q; |
5fb379ee | 1410 | if (q->created) |
8788fdc2 | 1411 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
1412 | be_queue_free(adapter, q); |
1413 | ||
8788fdc2 | 1414 | q = &adapter->mcc_obj.cq; |
5fb379ee | 1415 | if (q->created) |
8788fdc2 | 1416 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
1417 | be_queue_free(adapter, q); |
1418 | } | |
1419 | ||
1420 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
1421 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
1422 | { | |
1423 | struct be_queue_info *q, *cq; | |
5fb379ee SP |
1424 | |
1425 | /* Alloc MCC compl queue */ | |
8788fdc2 | 1426 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 1427 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 1428 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
1429 | goto err; |
1430 | ||
1431 | /* Ask BE to create MCC compl queue; share TX's eq */ | |
8788fdc2 | 1432 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) |
5fb379ee SP |
1433 | goto mcc_cq_free; |
1434 | ||
1435 | /* Alloc MCC queue */ | |
8788fdc2 | 1436 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
1437 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
1438 | goto mcc_cq_destroy; | |
1439 | ||
1440 | /* Ask BE to create MCC queue */ | |
8788fdc2 | 1441 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
1442 | goto mcc_q_free; |
1443 | ||
1444 | return 0; | |
1445 | ||
1446 | mcc_q_free: | |
1447 | be_queue_free(adapter, q); | |
1448 | mcc_cq_destroy: | |
8788fdc2 | 1449 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
1450 | mcc_cq_free: |
1451 | be_queue_free(adapter, cq); | |
1452 | err: | |
1453 | return -1; | |
1454 | } | |
1455 | ||
6b7c5b94 SP |
1456 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
1457 | { | |
1458 | struct be_queue_info *q; | |
1459 | ||
1460 | q = &adapter->tx_obj.q; | |
a8e9179a | 1461 | if (q->created) |
8788fdc2 | 1462 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); |
6b7c5b94 SP |
1463 | be_queue_free(adapter, q); |
1464 | ||
1465 | q = &adapter->tx_obj.cq; | |
1466 | if (q->created) | |
8788fdc2 | 1467 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
6b7c5b94 SP |
1468 | be_queue_free(adapter, q); |
1469 | ||
859b1e4e SP |
1470 | /* Clear any residual events */ |
1471 | be_eq_clean(adapter, &adapter->tx_eq); | |
1472 | ||
6b7c5b94 SP |
1473 | q = &adapter->tx_eq.q; |
1474 | if (q->created) | |
8788fdc2 | 1475 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
6b7c5b94 SP |
1476 | be_queue_free(adapter, q); |
1477 | } | |
1478 | ||
1479 | static int be_tx_queues_create(struct be_adapter *adapter) | |
1480 | { | |
1481 | struct be_queue_info *eq, *q, *cq; | |
1482 | ||
1483 | adapter->tx_eq.max_eqd = 0; | |
1484 | adapter->tx_eq.min_eqd = 0; | |
1485 | adapter->tx_eq.cur_eqd = 96; | |
1486 | adapter->tx_eq.enable_aic = false; | |
1487 | /* Alloc Tx Event queue */ | |
1488 | eq = &adapter->tx_eq.q; | |
1489 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, sizeof(struct be_eq_entry))) | |
1490 | return -1; | |
1491 | ||
1492 | /* Ask BE to create Tx Event queue */ | |
8788fdc2 | 1493 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) |
6b7c5b94 | 1494 | goto tx_eq_free; |
fe6d2a38 SP |
1495 | |
1496 | adapter->tx_eq.msix_vec_idx = adapter->msix_vec_next_idx++; | |
1497 | ||
ba343c77 | 1498 | |
6b7c5b94 SP |
1499 | /* Alloc TX eth compl queue */ |
1500 | cq = &adapter->tx_obj.cq; | |
1501 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
1502 | sizeof(struct be_eth_tx_compl))) | |
1503 | goto tx_eq_destroy; | |
1504 | ||
1505 | /* Ask BE to create Tx eth compl queue */ | |
8788fdc2 | 1506 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) |
6b7c5b94 SP |
1507 | goto tx_cq_free; |
1508 | ||
1509 | /* Alloc TX eth queue */ | |
1510 | q = &adapter->tx_obj.q; | |
1511 | if (be_queue_alloc(adapter, q, TX_Q_LEN, sizeof(struct be_eth_wrb))) | |
1512 | goto tx_cq_destroy; | |
1513 | ||
1514 | /* Ask BE to create Tx eth queue */ | |
8788fdc2 | 1515 | if (be_cmd_txq_create(adapter, q, cq)) |
6b7c5b94 SP |
1516 | goto tx_q_free; |
1517 | return 0; | |
1518 | ||
1519 | tx_q_free: | |
1520 | be_queue_free(adapter, q); | |
1521 | tx_cq_destroy: | |
8788fdc2 | 1522 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
6b7c5b94 SP |
1523 | tx_cq_free: |
1524 | be_queue_free(adapter, cq); | |
1525 | tx_eq_destroy: | |
8788fdc2 | 1526 | be_cmd_q_destroy(adapter, eq, QTYPE_EQ); |
6b7c5b94 SP |
1527 | tx_eq_free: |
1528 | be_queue_free(adapter, eq); | |
1529 | return -1; | |
1530 | } | |
1531 | ||
1532 | static void be_rx_queues_destroy(struct be_adapter *adapter) | |
1533 | { | |
1534 | struct be_queue_info *q; | |
3abcdeda SP |
1535 | struct be_rx_obj *rxo; |
1536 | int i; | |
1537 | ||
1538 | for_all_rx_queues(adapter, rxo, i) { | |
1539 | q = &rxo->q; | |
1540 | if (q->created) { | |
1541 | be_cmd_q_destroy(adapter, q, QTYPE_RXQ); | |
1542 | /* After the rxq is invalidated, wait for a grace time | |
1543 | * of 1ms for all dma to end and the flush compl to | |
1544 | * arrive | |
1545 | */ | |
1546 | mdelay(1); | |
1547 | be_rx_q_clean(adapter, rxo); | |
1548 | } | |
1549 | be_queue_free(adapter, q); | |
1550 | ||
1551 | q = &rxo->cq; | |
1552 | if (q->created) | |
1553 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
1554 | be_queue_free(adapter, q); | |
1555 | ||
1556 | /* Clear any residual events */ | |
1557 | q = &rxo->rx_eq.q; | |
1558 | if (q->created) { | |
1559 | be_eq_clean(adapter, &rxo->rx_eq); | |
1560 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | |
1561 | } | |
1562 | be_queue_free(adapter, q); | |
6b7c5b94 | 1563 | } |
6b7c5b94 SP |
1564 | } |
1565 | ||
1566 | static int be_rx_queues_create(struct be_adapter *adapter) | |
1567 | { | |
1568 | struct be_queue_info *eq, *q, *cq; | |
3abcdeda SP |
1569 | struct be_rx_obj *rxo; |
1570 | int rc, i; | |
6b7c5b94 | 1571 | |
6b7c5b94 | 1572 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
1573 | for_all_rx_queues(adapter, rxo, i) { |
1574 | rxo->adapter = adapter; | |
64642811 SP |
1575 | /* Init last_frag_index so that the frag index in the first |
1576 | * completion will never match */ | |
1577 | rxo->last_frag_index = 0xffff; | |
3abcdeda SP |
1578 | rxo->rx_eq.max_eqd = BE_MAX_EQD; |
1579 | rxo->rx_eq.enable_aic = true; | |
1580 | ||
1581 | /* EQ */ | |
1582 | eq = &rxo->rx_eq.q; | |
1583 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
1584 | sizeof(struct be_eq_entry)); | |
1585 | if (rc) | |
1586 | goto err; | |
1587 | ||
1588 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); | |
1589 | if (rc) | |
1590 | goto err; | |
1591 | ||
fe6d2a38 SP |
1592 | rxo->rx_eq.msix_vec_idx = adapter->msix_vec_next_idx++; |
1593 | ||
3abcdeda SP |
1594 | /* CQ */ |
1595 | cq = &rxo->cq; | |
1596 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
1597 | sizeof(struct be_eth_rx_compl)); | |
1598 | if (rc) | |
1599 | goto err; | |
1600 | ||
1601 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); | |
1602 | if (rc) | |
1603 | goto err; | |
3abcdeda SP |
1604 | /* Rx Q */ |
1605 | q = &rxo->q; | |
1606 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, | |
1607 | sizeof(struct be_eth_rx_d)); | |
1608 | if (rc) | |
1609 | goto err; | |
1610 | ||
1611 | rc = be_cmd_rxq_create(adapter, q, cq->id, rx_frag_size, | |
1612 | BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, | |
1613 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); | |
1614 | if (rc) | |
1615 | goto err; | |
1616 | } | |
1617 | ||
1618 | if (be_multi_rxq(adapter)) { | |
1619 | u8 rsstable[MAX_RSS_QS]; | |
1620 | ||
1621 | for_all_rss_queues(adapter, rxo, i) | |
1622 | rsstable[i] = rxo->rss_id; | |
1623 | ||
1624 | rc = be_cmd_rss_config(adapter, rsstable, | |
1625 | adapter->num_rx_qs - 1); | |
1626 | if (rc) | |
1627 | goto err; | |
1628 | } | |
6b7c5b94 SP |
1629 | |
1630 | return 0; | |
3abcdeda SP |
1631 | err: |
1632 | be_rx_queues_destroy(adapter); | |
1633 | return -1; | |
6b7c5b94 | 1634 | } |
6b7c5b94 | 1635 | |
fe6d2a38 | 1636 | static bool event_peek(struct be_eq_obj *eq_obj) |
b628bde2 | 1637 | { |
fe6d2a38 SP |
1638 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
1639 | if (!eqe->evt) | |
1640 | return false; | |
1641 | else | |
1642 | return true; | |
b628bde2 SP |
1643 | } |
1644 | ||
6b7c5b94 SP |
1645 | static irqreturn_t be_intx(int irq, void *dev) |
1646 | { | |
1647 | struct be_adapter *adapter = dev; | |
3abcdeda | 1648 | struct be_rx_obj *rxo; |
fe6d2a38 | 1649 | int isr, i, tx = 0 , rx = 0; |
6b7c5b94 | 1650 | |
fe6d2a38 SP |
1651 | if (lancer_chip(adapter)) { |
1652 | if (event_peek(&adapter->tx_eq)) | |
1653 | tx = event_handle(adapter, &adapter->tx_eq); | |
1654 | for_all_rx_queues(adapter, rxo, i) { | |
1655 | if (event_peek(&rxo->rx_eq)) | |
1656 | rx |= event_handle(adapter, &rxo->rx_eq); | |
1657 | } | |
6b7c5b94 | 1658 | |
fe6d2a38 SP |
1659 | if (!(tx || rx)) |
1660 | return IRQ_NONE; | |
3abcdeda | 1661 | |
fe6d2a38 SP |
1662 | } else { |
1663 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + | |
1664 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); | |
1665 | if (!isr) | |
1666 | return IRQ_NONE; | |
1667 | ||
1668 | if ((1 << adapter->tx_eq.msix_vec_idx & isr)) | |
1669 | event_handle(adapter, &adapter->tx_eq); | |
1670 | ||
1671 | for_all_rx_queues(adapter, rxo, i) { | |
1672 | if ((1 << rxo->rx_eq.msix_vec_idx & isr)) | |
1673 | event_handle(adapter, &rxo->rx_eq); | |
1674 | } | |
3abcdeda | 1675 | } |
c001c213 | 1676 | |
8788fdc2 | 1677 | return IRQ_HANDLED; |
6b7c5b94 SP |
1678 | } |
1679 | ||
1680 | static irqreturn_t be_msix_rx(int irq, void *dev) | |
1681 | { | |
3abcdeda SP |
1682 | struct be_rx_obj *rxo = dev; |
1683 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1684 | |
3abcdeda | 1685 | event_handle(adapter, &rxo->rx_eq); |
6b7c5b94 SP |
1686 | |
1687 | return IRQ_HANDLED; | |
1688 | } | |
1689 | ||
5fb379ee | 1690 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) |
6b7c5b94 SP |
1691 | { |
1692 | struct be_adapter *adapter = dev; | |
1693 | ||
8788fdc2 | 1694 | event_handle(adapter, &adapter->tx_eq); |
6b7c5b94 SP |
1695 | |
1696 | return IRQ_HANDLED; | |
1697 | } | |
1698 | ||
64642811 SP |
1699 | static inline bool do_gro(struct be_rx_obj *rxo, |
1700 | struct be_eth_rx_compl *rxcp, u8 err) | |
6b7c5b94 | 1701 | { |
6b7c5b94 SP |
1702 | int tcp_frame = AMAP_GET_BITS(struct amap_eth_rx_compl, tcpf, rxcp); |
1703 | ||
1704 | if (err) | |
3abcdeda | 1705 | rxo->stats.rxcp_err++; |
6b7c5b94 | 1706 | |
5be93b9a | 1707 | return (tcp_frame && !err) ? true : false; |
6b7c5b94 SP |
1708 | } |
1709 | ||
49b05221 | 1710 | static int be_poll_rx(struct napi_struct *napi, int budget) |
6b7c5b94 SP |
1711 | { |
1712 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); | |
3abcdeda SP |
1713 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); |
1714 | struct be_adapter *adapter = rxo->adapter; | |
1715 | struct be_queue_info *rx_cq = &rxo->cq; | |
6b7c5b94 SP |
1716 | struct be_eth_rx_compl *rxcp; |
1717 | u32 work_done; | |
64642811 SP |
1718 | u16 frag_index, num_rcvd; |
1719 | u8 err; | |
6b7c5b94 | 1720 | |
3abcdeda | 1721 | rxo->stats.rx_polls++; |
6b7c5b94 | 1722 | for (work_done = 0; work_done < budget; work_done++) { |
3abcdeda | 1723 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
1724 | if (!rxcp) |
1725 | break; | |
1726 | ||
64642811 SP |
1727 | err = AMAP_GET_BITS(struct amap_eth_rx_compl, err, rxcp); |
1728 | frag_index = AMAP_GET_BITS(struct amap_eth_rx_compl, fragndx, | |
1729 | rxcp); | |
1730 | num_rcvd = AMAP_GET_BITS(struct amap_eth_rx_compl, numfrags, | |
1731 | rxcp); | |
1732 | ||
1733 | /* Skip out-of-buffer compl(lancer) or flush compl(BE) */ | |
1734 | if (likely(frag_index != rxo->last_frag_index && | |
1735 | num_rcvd != 0)) { | |
1736 | rxo->last_frag_index = frag_index; | |
1737 | ||
1738 | if (do_gro(rxo, rxcp, err)) | |
1739 | be_rx_compl_process_gro(adapter, rxo, rxcp); | |
1740 | else | |
1741 | be_rx_compl_process(adapter, rxo, rxcp); | |
1742 | } | |
a7a0ef31 SP |
1743 | |
1744 | be_rx_compl_reset(rxcp); | |
6b7c5b94 SP |
1745 | } |
1746 | ||
6b7c5b94 | 1747 | /* Refill the queue */ |
3abcdeda SP |
1748 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
1749 | be_post_rx_frags(rxo); | |
6b7c5b94 SP |
1750 | |
1751 | /* All consumed */ | |
1752 | if (work_done < budget) { | |
1753 | napi_complete(napi); | |
8788fdc2 | 1754 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
6b7c5b94 SP |
1755 | } else { |
1756 | /* More to be consumed; continue with interrupts disabled */ | |
8788fdc2 | 1757 | be_cq_notify(adapter, rx_cq->id, false, work_done); |
6b7c5b94 SP |
1758 | } |
1759 | return work_done; | |
1760 | } | |
1761 | ||
f31e50a8 SP |
1762 | /* As TX and MCC share the same EQ check for both TX and MCC completions. |
1763 | * For TX/MCC we don't honour budget; consume everything | |
1764 | */ | |
1765 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) | |
6b7c5b94 | 1766 | { |
f31e50a8 SP |
1767 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); |
1768 | struct be_adapter *adapter = | |
1769 | container_of(tx_eq, struct be_adapter, tx_eq); | |
5fb379ee SP |
1770 | struct be_queue_info *txq = &adapter->tx_obj.q; |
1771 | struct be_queue_info *tx_cq = &adapter->tx_obj.cq; | |
6b7c5b94 | 1772 | struct be_eth_tx_compl *txcp; |
f31e50a8 | 1773 | int tx_compl = 0, mcc_compl, status = 0; |
6b7c5b94 SP |
1774 | u16 end_idx; |
1775 | ||
5fb379ee | 1776 | while ((txcp = be_tx_compl_get(tx_cq))) { |
6b7c5b94 | 1777 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, |
f31e50a8 | 1778 | wrb_index, txcp); |
6b7c5b94 | 1779 | be_tx_compl_process(adapter, end_idx); |
f31e50a8 | 1780 | tx_compl++; |
6b7c5b94 SP |
1781 | } |
1782 | ||
f31e50a8 SP |
1783 | mcc_compl = be_process_mcc(adapter, &status); |
1784 | ||
1785 | napi_complete(napi); | |
1786 | ||
1787 | if (mcc_compl) { | |
1788 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1789 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); | |
1790 | } | |
1791 | ||
1792 | if (tx_compl) { | |
1793 | be_cq_notify(adapter, adapter->tx_obj.cq.id, true, tx_compl); | |
5fb379ee SP |
1794 | |
1795 | /* As Tx wrbs have been freed up, wake up netdev queue if | |
1796 | * it was stopped due to lack of tx wrbs. | |
1797 | */ | |
1798 | if (netif_queue_stopped(adapter->netdev) && | |
6b7c5b94 | 1799 | atomic_read(&txq->used) < txq->len / 2) { |
5fb379ee SP |
1800 | netif_wake_queue(adapter->netdev); |
1801 | } | |
1802 | ||
3abcdeda SP |
1803 | tx_stats(adapter)->be_tx_events++; |
1804 | tx_stats(adapter)->be_tx_compl += tx_compl; | |
6b7c5b94 | 1805 | } |
6b7c5b94 SP |
1806 | |
1807 | return 1; | |
1808 | } | |
1809 | ||
d053de91 | 1810 | void be_detect_dump_ue(struct be_adapter *adapter) |
7c185276 AK |
1811 | { |
1812 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; | |
1813 | u32 i; | |
1814 | ||
1815 | pci_read_config_dword(adapter->pdev, | |
1816 | PCICFG_UE_STATUS_LOW, &ue_status_lo); | |
1817 | pci_read_config_dword(adapter->pdev, | |
1818 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); | |
1819 | pci_read_config_dword(adapter->pdev, | |
1820 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); | |
1821 | pci_read_config_dword(adapter->pdev, | |
1822 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); | |
1823 | ||
1824 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); | |
1825 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); | |
1826 | ||
d053de91 AK |
1827 | if (ue_status_lo || ue_status_hi) { |
1828 | adapter->ue_detected = true; | |
1829 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); | |
1830 | } | |
1831 | ||
7c185276 AK |
1832 | if (ue_status_lo) { |
1833 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { | |
1834 | if (ue_status_lo & 1) | |
1835 | dev_err(&adapter->pdev->dev, | |
1836 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
1837 | } | |
1838 | } | |
1839 | if (ue_status_hi) { | |
1840 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { | |
1841 | if (ue_status_hi & 1) | |
1842 | dev_err(&adapter->pdev->dev, | |
1843 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
1844 | } | |
1845 | } | |
1846 | ||
1847 | } | |
1848 | ||
ea1dae11 SP |
1849 | static void be_worker(struct work_struct *work) |
1850 | { | |
1851 | struct be_adapter *adapter = | |
1852 | container_of(work, struct be_adapter, work.work); | |
3abcdeda SP |
1853 | struct be_rx_obj *rxo; |
1854 | int i; | |
ea1dae11 | 1855 | |
f203af70 SK |
1856 | /* when interrupts are not yet enabled, just reap any pending |
1857 | * mcc completions */ | |
1858 | if (!netif_running(adapter->netdev)) { | |
1859 | int mcc_compl, status = 0; | |
1860 | ||
1861 | mcc_compl = be_process_mcc(adapter, &status); | |
1862 | ||
1863 | if (mcc_compl) { | |
1864 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
1865 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); | |
1866 | } | |
1867 | goto reschedule; | |
1868 | } | |
1869 | ||
0fc48c37 | 1870 | if (!adapter->stats_ioctl_sent) |
3abcdeda | 1871 | be_cmd_get_stats(adapter, &adapter->stats_cmd); |
ea1dae11 | 1872 | |
4097f663 | 1873 | be_tx_rate_update(adapter); |
4097f663 | 1874 | |
3abcdeda SP |
1875 | for_all_rx_queues(adapter, rxo, i) { |
1876 | be_rx_rate_update(rxo); | |
1877 | be_rx_eqd_update(adapter, rxo); | |
1878 | ||
1879 | if (rxo->rx_post_starved) { | |
1880 | rxo->rx_post_starved = false; | |
1881 | be_post_rx_frags(rxo); | |
1882 | } | |
ea1dae11 | 1883 | } |
fe6d2a38 | 1884 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
d053de91 | 1885 | be_detect_dump_ue(adapter); |
ea1dae11 | 1886 | |
f203af70 | 1887 | reschedule: |
ea1dae11 SP |
1888 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
1889 | } | |
1890 | ||
8d56ff11 SP |
1891 | static void be_msix_disable(struct be_adapter *adapter) |
1892 | { | |
1893 | if (adapter->msix_enabled) { | |
1894 | pci_disable_msix(adapter->pdev); | |
1895 | adapter->msix_enabled = false; | |
1896 | } | |
1897 | } | |
1898 | ||
3abcdeda SP |
1899 | static int be_num_rxqs_get(struct be_adapter *adapter) |
1900 | { | |
1901 | if (multi_rxq && (adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | |
1902 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { | |
1903 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ | |
1904 | } else { | |
1905 | dev_warn(&adapter->pdev->dev, | |
1906 | "No support for multiple RX queues\n"); | |
1907 | return 1; | |
1908 | } | |
1909 | } | |
1910 | ||
6b7c5b94 SP |
1911 | static void be_msix_enable(struct be_adapter *adapter) |
1912 | { | |
3abcdeda | 1913 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ |
6b7c5b94 SP |
1914 | int i, status; |
1915 | ||
3abcdeda SP |
1916 | adapter->num_rx_qs = be_num_rxqs_get(adapter); |
1917 | ||
1918 | for (i = 0; i < (adapter->num_rx_qs + 1); i++) | |
6b7c5b94 SP |
1919 | adapter->msix_entries[i].entry = i; |
1920 | ||
1921 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, | |
3abcdeda SP |
1922 | adapter->num_rx_qs + 1); |
1923 | if (status == 0) { | |
1924 | goto done; | |
1925 | } else if (status >= BE_MIN_MSIX_VECTORS) { | |
1926 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, | |
1927 | status) == 0) { | |
1928 | adapter->num_rx_qs = status - 1; | |
1929 | dev_warn(&adapter->pdev->dev, | |
1930 | "Could alloc only %d MSIx vectors. " | |
1931 | "Using %d RX Qs\n", status, adapter->num_rx_qs); | |
1932 | goto done; | |
1933 | } | |
1934 | } | |
1935 | return; | |
1936 | done: | |
1937 | adapter->msix_enabled = true; | |
6b7c5b94 SP |
1938 | } |
1939 | ||
ba343c77 SB |
1940 | static void be_sriov_enable(struct be_adapter *adapter) |
1941 | { | |
344dbf10 | 1942 | be_check_sriov_fn_type(adapter); |
6dedec81 | 1943 | #ifdef CONFIG_PCI_IOV |
ba343c77 | 1944 | if (be_physfn(adapter) && num_vfs) { |
6dedec81 AK |
1945 | int status; |
1946 | ||
ba343c77 SB |
1947 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
1948 | adapter->sriov_enabled = status ? false : true; | |
1949 | } | |
1950 | #endif | |
ba343c77 SB |
1951 | } |
1952 | ||
1953 | static void be_sriov_disable(struct be_adapter *adapter) | |
1954 | { | |
1955 | #ifdef CONFIG_PCI_IOV | |
1956 | if (adapter->sriov_enabled) { | |
1957 | pci_disable_sriov(adapter->pdev); | |
1958 | adapter->sriov_enabled = false; | |
1959 | } | |
1960 | #endif | |
1961 | } | |
1962 | ||
fe6d2a38 SP |
1963 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
1964 | struct be_eq_obj *eq_obj) | |
6b7c5b94 | 1965 | { |
fe6d2a38 | 1966 | return adapter->msix_entries[eq_obj->msix_vec_idx].vector; |
6b7c5b94 SP |
1967 | } |
1968 | ||
b628bde2 SP |
1969 | static int be_request_irq(struct be_adapter *adapter, |
1970 | struct be_eq_obj *eq_obj, | |
3abcdeda | 1971 | void *handler, char *desc, void *context) |
6b7c5b94 SP |
1972 | { |
1973 | struct net_device *netdev = adapter->netdev; | |
b628bde2 SP |
1974 | int vec; |
1975 | ||
1976 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); | |
fe6d2a38 | 1977 | vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 1978 | return request_irq(vec, handler, 0, eq_obj->desc, context); |
b628bde2 SP |
1979 | } |
1980 | ||
3abcdeda SP |
1981 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, |
1982 | void *context) | |
b628bde2 | 1983 | { |
fe6d2a38 | 1984 | int vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 1985 | free_irq(vec, context); |
b628bde2 | 1986 | } |
6b7c5b94 | 1987 | |
b628bde2 SP |
1988 | static int be_msix_register(struct be_adapter *adapter) |
1989 | { | |
3abcdeda SP |
1990 | struct be_rx_obj *rxo; |
1991 | int status, i; | |
1992 | char qname[10]; | |
b628bde2 | 1993 | |
3abcdeda SP |
1994 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", |
1995 | adapter); | |
6b7c5b94 SP |
1996 | if (status) |
1997 | goto err; | |
1998 | ||
3abcdeda SP |
1999 | for_all_rx_queues(adapter, rxo, i) { |
2000 | sprintf(qname, "rxq%d", i); | |
2001 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, | |
2002 | qname, rxo); | |
2003 | if (status) | |
2004 | goto err_msix; | |
2005 | } | |
b628bde2 | 2006 | |
6b7c5b94 | 2007 | return 0; |
b628bde2 | 2008 | |
3abcdeda SP |
2009 | err_msix: |
2010 | be_free_irq(adapter, &adapter->tx_eq, adapter); | |
2011 | ||
2012 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) | |
2013 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2014 | ||
6b7c5b94 SP |
2015 | err: |
2016 | dev_warn(&adapter->pdev->dev, | |
2017 | "MSIX Request IRQ failed - err %d\n", status); | |
2018 | pci_disable_msix(adapter->pdev); | |
2019 | adapter->msix_enabled = false; | |
2020 | return status; | |
2021 | } | |
2022 | ||
2023 | static int be_irq_register(struct be_adapter *adapter) | |
2024 | { | |
2025 | struct net_device *netdev = adapter->netdev; | |
2026 | int status; | |
2027 | ||
2028 | if (adapter->msix_enabled) { | |
2029 | status = be_msix_register(adapter); | |
2030 | if (status == 0) | |
2031 | goto done; | |
ba343c77 SB |
2032 | /* INTx is not supported for VF */ |
2033 | if (!be_physfn(adapter)) | |
2034 | return status; | |
6b7c5b94 SP |
2035 | } |
2036 | ||
2037 | /* INTx */ | |
2038 | netdev->irq = adapter->pdev->irq; | |
2039 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
2040 | adapter); | |
2041 | if (status) { | |
2042 | dev_err(&adapter->pdev->dev, | |
2043 | "INTx request IRQ failed - err %d\n", status); | |
2044 | return status; | |
2045 | } | |
2046 | done: | |
2047 | adapter->isr_registered = true; | |
2048 | return 0; | |
2049 | } | |
2050 | ||
2051 | static void be_irq_unregister(struct be_adapter *adapter) | |
2052 | { | |
2053 | struct net_device *netdev = adapter->netdev; | |
3abcdeda SP |
2054 | struct be_rx_obj *rxo; |
2055 | int i; | |
6b7c5b94 SP |
2056 | |
2057 | if (!adapter->isr_registered) | |
2058 | return; | |
2059 | ||
2060 | /* INTx */ | |
2061 | if (!adapter->msix_enabled) { | |
2062 | free_irq(netdev->irq, adapter); | |
2063 | goto done; | |
2064 | } | |
2065 | ||
2066 | /* MSIx */ | |
3abcdeda SP |
2067 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
2068 | ||
2069 | for_all_rx_queues(adapter, rxo, i) | |
2070 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2071 | ||
6b7c5b94 SP |
2072 | done: |
2073 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2074 | } |
2075 | ||
889cd4b2 SP |
2076 | static int be_close(struct net_device *netdev) |
2077 | { | |
2078 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda | 2079 | struct be_rx_obj *rxo; |
889cd4b2 | 2080 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2081 | int vec, i; |
889cd4b2 | 2082 | |
889cd4b2 SP |
2083 | be_async_mcc_disable(adapter); |
2084 | ||
2085 | netif_stop_queue(netdev); | |
2086 | netif_carrier_off(netdev); | |
2087 | adapter->link_up = false; | |
2088 | ||
fe6d2a38 SP |
2089 | if (!lancer_chip(adapter)) |
2090 | be_intr_set(adapter, false); | |
889cd4b2 SP |
2091 | |
2092 | if (adapter->msix_enabled) { | |
fe6d2a38 | 2093 | vec = be_msix_vec_get(adapter, tx_eq); |
889cd4b2 | 2094 | synchronize_irq(vec); |
3abcdeda SP |
2095 | |
2096 | for_all_rx_queues(adapter, rxo, i) { | |
fe6d2a38 | 2097 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); |
3abcdeda SP |
2098 | synchronize_irq(vec); |
2099 | } | |
889cd4b2 SP |
2100 | } else { |
2101 | synchronize_irq(netdev->irq); | |
2102 | } | |
2103 | be_irq_unregister(adapter); | |
2104 | ||
3abcdeda SP |
2105 | for_all_rx_queues(adapter, rxo, i) |
2106 | napi_disable(&rxo->rx_eq.napi); | |
2107 | ||
889cd4b2 SP |
2108 | napi_disable(&tx_eq->napi); |
2109 | ||
2110 | /* Wait for all pending tx completions to arrive so that | |
2111 | * all tx skbs are freed. | |
2112 | */ | |
2113 | be_tx_compl_clean(adapter); | |
2114 | ||
2115 | return 0; | |
2116 | } | |
2117 | ||
6b7c5b94 SP |
2118 | static int be_open(struct net_device *netdev) |
2119 | { | |
2120 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 2121 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2122 | struct be_rx_obj *rxo; |
a8f447bd | 2123 | bool link_up; |
3abcdeda | 2124 | int status, i; |
0388f251 SB |
2125 | u8 mac_speed; |
2126 | u16 link_speed; | |
5fb379ee | 2127 | |
3abcdeda SP |
2128 | for_all_rx_queues(adapter, rxo, i) { |
2129 | be_post_rx_frags(rxo); | |
2130 | napi_enable(&rxo->rx_eq.napi); | |
2131 | } | |
5fb379ee SP |
2132 | napi_enable(&tx_eq->napi); |
2133 | ||
2134 | be_irq_register(adapter); | |
2135 | ||
fe6d2a38 SP |
2136 | if (!lancer_chip(adapter)) |
2137 | be_intr_set(adapter, true); | |
5fb379ee SP |
2138 | |
2139 | /* The evt queues are created in unarmed state; arm them */ | |
3abcdeda SP |
2140 | for_all_rx_queues(adapter, rxo, i) { |
2141 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); | |
2142 | be_cq_notify(adapter, rxo->cq.id, true, 0); | |
2143 | } | |
8788fdc2 | 2144 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
5fb379ee | 2145 | |
7a1e9b20 SP |
2146 | /* Now that interrupts are on we can process async mcc */ |
2147 | be_async_mcc_enable(adapter); | |
2148 | ||
0388f251 SB |
2149 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, |
2150 | &link_speed); | |
a8f447bd | 2151 | if (status) |
889cd4b2 | 2152 | goto err; |
a8f447bd | 2153 | be_link_status_update(adapter, link_up); |
5fb379ee | 2154 | |
889cd4b2 | 2155 | if (be_physfn(adapter)) { |
1da87b7f | 2156 | status = be_vid_config(adapter, false, 0); |
889cd4b2 SP |
2157 | if (status) |
2158 | goto err; | |
4f2aa89c | 2159 | |
ba343c77 SB |
2160 | status = be_cmd_set_flow_control(adapter, |
2161 | adapter->tx_fc, adapter->rx_fc); | |
2162 | if (status) | |
889cd4b2 | 2163 | goto err; |
ba343c77 | 2164 | } |
4f2aa89c | 2165 | |
889cd4b2 SP |
2166 | return 0; |
2167 | err: | |
2168 | be_close(adapter->netdev); | |
2169 | return -EIO; | |
5fb379ee SP |
2170 | } |
2171 | ||
71d8d1b5 AK |
2172 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2173 | { | |
2174 | struct be_dma_mem cmd; | |
2175 | int status = 0; | |
2176 | u8 mac[ETH_ALEN]; | |
2177 | ||
2178 | memset(mac, 0, ETH_ALEN); | |
2179 | ||
2180 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
2b7bcebf IV |
2181 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
2182 | GFP_KERNEL); | |
71d8d1b5 AK |
2183 | if (cmd.va == NULL) |
2184 | return -1; | |
2185 | memset(cmd.va, 0, cmd.size); | |
2186 | ||
2187 | if (enable) { | |
2188 | status = pci_write_config_dword(adapter->pdev, | |
2189 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2190 | if (status) { | |
2191 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2192 | "Could not enable Wake-on-lan\n"); |
2b7bcebf IV |
2193 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
2194 | cmd.dma); | |
71d8d1b5 AK |
2195 | return status; |
2196 | } | |
2197 | status = be_cmd_enable_magic_wol(adapter, | |
2198 | adapter->netdev->dev_addr, &cmd); | |
2199 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2200 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2201 | } else { | |
2202 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2203 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2204 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2205 | } | |
2206 | ||
2b7bcebf | 2207 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
71d8d1b5 AK |
2208 | return status; |
2209 | } | |
2210 | ||
6d87f5c3 AK |
2211 | /* |
2212 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2213 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2214 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2215 | * queries for the MAC address during its probe. | |
2216 | */ | |
2217 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) | |
2218 | { | |
2219 | u32 vf = 0; | |
3abcdeda | 2220 | int status = 0; |
6d87f5c3 AK |
2221 | u8 mac[ETH_ALEN]; |
2222 | ||
2223 | be_vf_eth_addr_generate(adapter, mac); | |
2224 | ||
2225 | for (vf = 0; vf < num_vfs; vf++) { | |
2226 | status = be_cmd_pmac_add(adapter, mac, | |
2227 | adapter->vf_cfg[vf].vf_if_handle, | |
2228 | &adapter->vf_cfg[vf].vf_pmac_id); | |
2229 | if (status) | |
2230 | dev_err(&adapter->pdev->dev, | |
2231 | "Mac address add failed for VF %d\n", vf); | |
2232 | else | |
2233 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
2234 | ||
2235 | mac[5] += 1; | |
2236 | } | |
2237 | return status; | |
2238 | } | |
2239 | ||
2240 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) | |
2241 | { | |
2242 | u32 vf; | |
2243 | ||
2244 | for (vf = 0; vf < num_vfs; vf++) { | |
2245 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | |
2246 | be_cmd_pmac_del(adapter, | |
2247 | adapter->vf_cfg[vf].vf_if_handle, | |
2248 | adapter->vf_cfg[vf].vf_pmac_id); | |
2249 | } | |
2250 | } | |
2251 | ||
5fb379ee SP |
2252 | static int be_setup(struct be_adapter *adapter) |
2253 | { | |
5fb379ee | 2254 | struct net_device *netdev = adapter->netdev; |
ba343c77 | 2255 | u32 cap_flags, en_flags, vf = 0; |
6b7c5b94 | 2256 | int status; |
ba343c77 SB |
2257 | u8 mac[ETH_ALEN]; |
2258 | ||
2259 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST; | |
6b7c5b94 | 2260 | |
ba343c77 SB |
2261 | if (be_physfn(adapter)) { |
2262 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | | |
2263 | BE_IF_FLAGS_PROMISCUOUS | | |
2264 | BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
2265 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
3abcdeda SP |
2266 | |
2267 | if (be_multi_rxq(adapter)) { | |
2268 | cap_flags |= BE_IF_FLAGS_RSS; | |
2269 | en_flags |= BE_IF_FLAGS_RSS; | |
2270 | } | |
ba343c77 | 2271 | } |
73d540f2 SP |
2272 | |
2273 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2274 | netdev->dev_addr, false/* pmac_invalid */, | |
ba343c77 | 2275 | &adapter->if_handle, &adapter->pmac_id, 0); |
6b7c5b94 SP |
2276 | if (status != 0) |
2277 | goto do_none; | |
2278 | ||
ba343c77 | 2279 | if (be_physfn(adapter)) { |
c99ac3e7 AK |
2280 | if (adapter->sriov_enabled) { |
2281 | while (vf < num_vfs) { | |
2282 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | | |
2283 | BE_IF_FLAGS_BROADCAST; | |
2284 | status = be_cmd_if_create(adapter, cap_flags, | |
2285 | en_flags, mac, true, | |
64600ea5 | 2286 | &adapter->vf_cfg[vf].vf_if_handle, |
ba343c77 | 2287 | NULL, vf+1); |
c99ac3e7 AK |
2288 | if (status) { |
2289 | dev_err(&adapter->pdev->dev, | |
2290 | "Interface Create failed for VF %d\n", | |
2291 | vf); | |
2292 | goto if_destroy; | |
2293 | } | |
2294 | adapter->vf_cfg[vf].vf_pmac_id = | |
2295 | BE_INVALID_PMAC_ID; | |
2296 | vf++; | |
ba343c77 | 2297 | } |
84e5b9f7 | 2298 | } |
c99ac3e7 | 2299 | } else { |
ba343c77 SB |
2300 | status = be_cmd_mac_addr_query(adapter, mac, |
2301 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); | |
2302 | if (!status) { | |
2303 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2304 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2305 | } | |
2306 | } | |
2307 | ||
6b7c5b94 SP |
2308 | status = be_tx_queues_create(adapter); |
2309 | if (status != 0) | |
2310 | goto if_destroy; | |
2311 | ||
2312 | status = be_rx_queues_create(adapter); | |
2313 | if (status != 0) | |
2314 | goto tx_qs_destroy; | |
2315 | ||
5fb379ee SP |
2316 | status = be_mcc_queues_create(adapter); |
2317 | if (status != 0) | |
2318 | goto rx_qs_destroy; | |
6b7c5b94 | 2319 | |
0dffc83e AK |
2320 | adapter->link_speed = -1; |
2321 | ||
6b7c5b94 SP |
2322 | return 0; |
2323 | ||
6d87f5c3 | 2324 | be_mcc_queues_destroy(adapter); |
5fb379ee SP |
2325 | rx_qs_destroy: |
2326 | be_rx_queues_destroy(adapter); | |
6b7c5b94 SP |
2327 | tx_qs_destroy: |
2328 | be_tx_queues_destroy(adapter); | |
2329 | if_destroy: | |
c99ac3e7 AK |
2330 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2331 | for (vf = 0; vf < num_vfs; vf++) | |
2332 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2333 | be_cmd_if_destroy(adapter, | |
658681f7 AK |
2334 | adapter->vf_cfg[vf].vf_if_handle, |
2335 | vf + 1); | |
2336 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); | |
6b7c5b94 SP |
2337 | do_none: |
2338 | return status; | |
2339 | } | |
2340 | ||
5fb379ee SP |
2341 | static int be_clear(struct be_adapter *adapter) |
2342 | { | |
c99ac3e7 | 2343 | if (be_physfn(adapter) && adapter->sriov_enabled) |
6d87f5c3 AK |
2344 | be_vf_eth_addr_rem(adapter); |
2345 | ||
1a8887d8 | 2346 | be_mcc_queues_destroy(adapter); |
5fb379ee SP |
2347 | be_rx_queues_destroy(adapter); |
2348 | be_tx_queues_destroy(adapter); | |
2349 | ||
658681f7 | 2350 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
5fb379ee | 2351 | |
2243e2e9 SP |
2352 | /* tell fw we're done with firing cmds */ |
2353 | be_cmd_fw_clean(adapter); | |
5fb379ee SP |
2354 | return 0; |
2355 | } | |
2356 | ||
6b7c5b94 | 2357 | |
84517482 | 2358 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
fa9a6fed | 2359 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
2360 | const u8 *p, u32 img_start, int image_size, |
2361 | int hdr_size) | |
fa9a6fed SB |
2362 | { |
2363 | u32 crc_offset; | |
2364 | u8 flashed_crc[4]; | |
2365 | int status; | |
3f0d4560 AK |
2366 | |
2367 | crc_offset = hdr_size + img_start + image_size - 4; | |
2368 | ||
fa9a6fed | 2369 | p += crc_offset; |
3f0d4560 AK |
2370 | |
2371 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 2372 | (image_size - 4)); |
fa9a6fed SB |
2373 | if (status) { |
2374 | dev_err(&adapter->pdev->dev, | |
2375 | "could not get crc from flash, not flashing redboot\n"); | |
2376 | return false; | |
2377 | } | |
2378 | ||
2379 | /*update redboot only if crc does not match*/ | |
2380 | if (!memcmp(flashed_crc, p, 4)) | |
2381 | return false; | |
2382 | else | |
2383 | return true; | |
fa9a6fed SB |
2384 | } |
2385 | ||
3f0d4560 | 2386 | static int be_flash_data(struct be_adapter *adapter, |
84517482 | 2387 | const struct firmware *fw, |
3f0d4560 AK |
2388 | struct be_dma_mem *flash_cmd, int num_of_images) |
2389 | ||
84517482 | 2390 | { |
3f0d4560 AK |
2391 | int status = 0, i, filehdr_size = 0; |
2392 | u32 total_bytes = 0, flash_op; | |
84517482 AK |
2393 | int num_bytes; |
2394 | const u8 *p = fw->data; | |
2395 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
215faf9c | 2396 | const struct flash_comp *pflashcomp; |
9fe96934 | 2397 | int num_comp; |
3f0d4560 | 2398 | |
215faf9c | 2399 | static const struct flash_comp gen3_flash_types[9] = { |
3f0d4560 AK |
2400 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, |
2401 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2402 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, | |
2403 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, | |
2404 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, | |
2405 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2406 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, | |
2407 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2408 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, | |
2409 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2410 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, | |
2411 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2412 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, | |
2413 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2414 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, | |
9fe96934 SB |
2415 | FLASH_IMAGE_MAX_SIZE_g3}, |
2416 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, | |
2417 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} | |
3f0d4560 | 2418 | }; |
215faf9c | 2419 | static const struct flash_comp gen2_flash_types[8] = { |
3f0d4560 AK |
2420 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, |
2421 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2422 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, | |
2423 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, | |
2424 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, | |
2425 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2426 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, | |
2427 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2428 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, | |
2429 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2430 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, | |
2431 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2432 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, | |
2433 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2434 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, | |
2435 | FLASH_IMAGE_MAX_SIZE_g2} | |
2436 | }; | |
2437 | ||
2438 | if (adapter->generation == BE_GEN3) { | |
2439 | pflashcomp = gen3_flash_types; | |
2440 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
215faf9c | 2441 | num_comp = ARRAY_SIZE(gen3_flash_types); |
3f0d4560 AK |
2442 | } else { |
2443 | pflashcomp = gen2_flash_types; | |
2444 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
215faf9c | 2445 | num_comp = ARRAY_SIZE(gen2_flash_types); |
84517482 | 2446 | } |
9fe96934 SB |
2447 | for (i = 0; i < num_comp; i++) { |
2448 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && | |
2449 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
2450 | continue; | |
3f0d4560 AK |
2451 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && |
2452 | (!be_flash_redboot(adapter, fw->data, | |
2453 | pflashcomp[i].offset, pflashcomp[i].size, | |
2454 | filehdr_size))) | |
2455 | continue; | |
2456 | p = fw->data; | |
2457 | p += filehdr_size + pflashcomp[i].offset | |
2458 | + (num_of_images * sizeof(struct image_hdr)); | |
2459 | if (p + pflashcomp[i].size > fw->data + fw->size) | |
84517482 | 2460 | return -1; |
3f0d4560 AK |
2461 | total_bytes = pflashcomp[i].size; |
2462 | while (total_bytes) { | |
2463 | if (total_bytes > 32*1024) | |
2464 | num_bytes = 32*1024; | |
2465 | else | |
2466 | num_bytes = total_bytes; | |
2467 | total_bytes -= num_bytes; | |
2468 | ||
2469 | if (!total_bytes) | |
2470 | flash_op = FLASHROM_OPER_FLASH; | |
2471 | else | |
2472 | flash_op = FLASHROM_OPER_SAVE; | |
2473 | memcpy(req->params.data_buf, p, num_bytes); | |
2474 | p += num_bytes; | |
2475 | status = be_cmd_write_flashrom(adapter, flash_cmd, | |
2476 | pflashcomp[i].optype, flash_op, num_bytes); | |
2477 | if (status) { | |
2478 | dev_err(&adapter->pdev->dev, | |
2479 | "cmd to write to flash rom failed.\n"); | |
2480 | return -1; | |
2481 | } | |
2482 | yield(); | |
84517482 | 2483 | } |
84517482 | 2484 | } |
84517482 AK |
2485 | return 0; |
2486 | } | |
2487 | ||
3f0d4560 AK |
2488 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) |
2489 | { | |
2490 | if (fhdr == NULL) | |
2491 | return 0; | |
2492 | if (fhdr->build[0] == '3') | |
2493 | return BE_GEN3; | |
2494 | else if (fhdr->build[0] == '2') | |
2495 | return BE_GEN2; | |
2496 | else | |
2497 | return 0; | |
2498 | } | |
2499 | ||
84517482 AK |
2500 | int be_load_fw(struct be_adapter *adapter, u8 *func) |
2501 | { | |
2502 | char fw_file[ETHTOOL_FLASH_MAX_FILENAME]; | |
2503 | const struct firmware *fw; | |
3f0d4560 AK |
2504 | struct flash_file_hdr_g2 *fhdr; |
2505 | struct flash_file_hdr_g3 *fhdr3; | |
2506 | struct image_hdr *img_hdr_ptr = NULL; | |
84517482 | 2507 | struct be_dma_mem flash_cmd; |
8b93b710 | 2508 | int status, i = 0, num_imgs = 0; |
84517482 | 2509 | const u8 *p; |
84517482 | 2510 | |
d9efd2af SB |
2511 | if (!netif_running(adapter->netdev)) { |
2512 | dev_err(&adapter->pdev->dev, | |
2513 | "Firmware load not allowed (interface is down)\n"); | |
2514 | return -EPERM; | |
2515 | } | |
2516 | ||
84517482 AK |
2517 | strcpy(fw_file, func); |
2518 | ||
2519 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
2520 | if (status) | |
2521 | goto fw_exit; | |
2522 | ||
2523 | p = fw->data; | |
3f0d4560 | 2524 | fhdr = (struct flash_file_hdr_g2 *) p; |
84517482 AK |
2525 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); |
2526 | ||
84517482 | 2527 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; |
2b7bcebf IV |
2528 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
2529 | &flash_cmd.dma, GFP_KERNEL); | |
84517482 AK |
2530 | if (!flash_cmd.va) { |
2531 | status = -ENOMEM; | |
2532 | dev_err(&adapter->pdev->dev, | |
2533 | "Memory allocation failure while flashing\n"); | |
2534 | goto fw_exit; | |
2535 | } | |
2536 | ||
3f0d4560 AK |
2537 | if ((adapter->generation == BE_GEN3) && |
2538 | (get_ufigen_type(fhdr) == BE_GEN3)) { | |
2539 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; | |
8b93b710 AK |
2540 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
2541 | for (i = 0; i < num_imgs; i++) { | |
3f0d4560 AK |
2542 | img_hdr_ptr = (struct image_hdr *) (fw->data + |
2543 | (sizeof(struct flash_file_hdr_g3) + | |
8b93b710 AK |
2544 | i * sizeof(struct image_hdr))); |
2545 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) | |
2546 | status = be_flash_data(adapter, fw, &flash_cmd, | |
2547 | num_imgs); | |
3f0d4560 AK |
2548 | } |
2549 | } else if ((adapter->generation == BE_GEN2) && | |
2550 | (get_ufigen_type(fhdr) == BE_GEN2)) { | |
2551 | status = be_flash_data(adapter, fw, &flash_cmd, 0); | |
2552 | } else { | |
2553 | dev_err(&adapter->pdev->dev, | |
2554 | "UFI and Interface are not compatible for flashing\n"); | |
2555 | status = -1; | |
84517482 AK |
2556 | } |
2557 | ||
2b7bcebf IV |
2558 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
2559 | flash_cmd.dma); | |
84517482 AK |
2560 | if (status) { |
2561 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
2562 | goto fw_exit; | |
2563 | } | |
2564 | ||
af901ca1 | 2565 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 AK |
2566 | |
2567 | fw_exit: | |
2568 | release_firmware(fw); | |
2569 | return status; | |
2570 | } | |
2571 | ||
6b7c5b94 SP |
2572 | static struct net_device_ops be_netdev_ops = { |
2573 | .ndo_open = be_open, | |
2574 | .ndo_stop = be_close, | |
2575 | .ndo_start_xmit = be_xmit, | |
6b7c5b94 SP |
2576 | .ndo_set_rx_mode = be_set_multicast_list, |
2577 | .ndo_set_mac_address = be_mac_addr_set, | |
2578 | .ndo_change_mtu = be_change_mtu, | |
2579 | .ndo_validate_addr = eth_validate_addr, | |
2580 | .ndo_vlan_rx_register = be_vlan_register, | |
2581 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, | |
2582 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 2583 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 2584 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 2585 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
64600ea5 | 2586 | .ndo_get_vf_config = be_get_vf_config |
6b7c5b94 SP |
2587 | }; |
2588 | ||
2589 | static void be_netdev_init(struct net_device *netdev) | |
2590 | { | |
2591 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda SP |
2592 | struct be_rx_obj *rxo; |
2593 | int i; | |
6b7c5b94 SP |
2594 | |
2595 | netdev->features |= NETIF_F_SG | NETIF_F_HW_VLAN_RX | NETIF_F_TSO | | |
79032644 MM |
2596 | NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_FILTER | |
2597 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | | |
49e4b847 | 2598 | NETIF_F_GRO | NETIF_F_TSO6; |
6b7c5b94 | 2599 | |
79032644 MM |
2600 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | |
2601 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; | |
51c59870 | 2602 | |
fe6d2a38 SP |
2603 | if (lancer_chip(adapter)) |
2604 | netdev->vlan_features |= NETIF_F_TSO6; | |
2605 | ||
6b7c5b94 SP |
2606 | netdev->flags |= IFF_MULTICAST; |
2607 | ||
728a9972 AK |
2608 | adapter->rx_csum = true; |
2609 | ||
9e90c961 AK |
2610 | /* Default settings for Rx and Tx flow control */ |
2611 | adapter->rx_fc = true; | |
2612 | adapter->tx_fc = true; | |
2613 | ||
c190e3c8 AK |
2614 | netif_set_gso_max_size(netdev, 65535); |
2615 | ||
6b7c5b94 SP |
2616 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); |
2617 | ||
2618 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
2619 | ||
3abcdeda SP |
2620 | for_all_rx_queues(adapter, rxo, i) |
2621 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, | |
2622 | BE_NAPI_WEIGHT); | |
2623 | ||
5fb379ee | 2624 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, |
6b7c5b94 | 2625 | BE_NAPI_WEIGHT); |
6b7c5b94 SP |
2626 | } |
2627 | ||
2628 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
2629 | { | |
8788fdc2 SP |
2630 | if (adapter->csr) |
2631 | iounmap(adapter->csr); | |
2632 | if (adapter->db) | |
2633 | iounmap(adapter->db); | |
ba343c77 | 2634 | if (adapter->pcicfg && be_physfn(adapter)) |
8788fdc2 | 2635 | iounmap(adapter->pcicfg); |
6b7c5b94 SP |
2636 | } |
2637 | ||
2638 | static int be_map_pci_bars(struct be_adapter *adapter) | |
2639 | { | |
2640 | u8 __iomem *addr; | |
ba343c77 | 2641 | int pcicfg_reg, db_reg; |
6b7c5b94 | 2642 | |
fe6d2a38 SP |
2643 | if (lancer_chip(adapter)) { |
2644 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), | |
2645 | pci_resource_len(adapter->pdev, 0)); | |
2646 | if (addr == NULL) | |
2647 | return -ENOMEM; | |
2648 | adapter->db = addr; | |
2649 | return 0; | |
2650 | } | |
2651 | ||
ba343c77 SB |
2652 | if (be_physfn(adapter)) { |
2653 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), | |
2654 | pci_resource_len(adapter->pdev, 2)); | |
2655 | if (addr == NULL) | |
2656 | return -ENOMEM; | |
2657 | adapter->csr = addr; | |
2658 | } | |
6b7c5b94 | 2659 | |
ba343c77 | 2660 | if (adapter->generation == BE_GEN2) { |
7b139c83 | 2661 | pcicfg_reg = 1; |
ba343c77 SB |
2662 | db_reg = 4; |
2663 | } else { | |
7b139c83 | 2664 | pcicfg_reg = 0; |
ba343c77 SB |
2665 | if (be_physfn(adapter)) |
2666 | db_reg = 4; | |
2667 | else | |
2668 | db_reg = 0; | |
2669 | } | |
2670 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), | |
2671 | pci_resource_len(adapter->pdev, db_reg)); | |
6b7c5b94 SP |
2672 | if (addr == NULL) |
2673 | goto pci_map_err; | |
ba343c77 SB |
2674 | adapter->db = addr; |
2675 | ||
2676 | if (be_physfn(adapter)) { | |
2677 | addr = ioremap_nocache( | |
2678 | pci_resource_start(adapter->pdev, pcicfg_reg), | |
2679 | pci_resource_len(adapter->pdev, pcicfg_reg)); | |
2680 | if (addr == NULL) | |
2681 | goto pci_map_err; | |
2682 | adapter->pcicfg = addr; | |
2683 | } else | |
2684 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; | |
6b7c5b94 SP |
2685 | |
2686 | return 0; | |
2687 | pci_map_err: | |
2688 | be_unmap_pci_bars(adapter); | |
2689 | return -ENOMEM; | |
2690 | } | |
2691 | ||
2692 | ||
2693 | static void be_ctrl_cleanup(struct be_adapter *adapter) | |
2694 | { | |
8788fdc2 | 2695 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
2696 | |
2697 | be_unmap_pci_bars(adapter); | |
2698 | ||
2699 | if (mem->va) | |
2b7bcebf IV |
2700 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
2701 | mem->dma); | |
e7b909a6 SP |
2702 | |
2703 | mem = &adapter->mc_cmd_mem; | |
2704 | if (mem->va) | |
2b7bcebf IV |
2705 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
2706 | mem->dma); | |
6b7c5b94 SP |
2707 | } |
2708 | ||
6b7c5b94 SP |
2709 | static int be_ctrl_init(struct be_adapter *adapter) |
2710 | { | |
8788fdc2 SP |
2711 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
2712 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
e7b909a6 | 2713 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; |
6b7c5b94 | 2714 | int status; |
6b7c5b94 SP |
2715 | |
2716 | status = be_map_pci_bars(adapter); | |
2717 | if (status) | |
e7b909a6 | 2718 | goto done; |
6b7c5b94 SP |
2719 | |
2720 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2b7bcebf IV |
2721 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
2722 | mbox_mem_alloc->size, | |
2723 | &mbox_mem_alloc->dma, | |
2724 | GFP_KERNEL); | |
6b7c5b94 | 2725 | if (!mbox_mem_alloc->va) { |
e7b909a6 SP |
2726 | status = -ENOMEM; |
2727 | goto unmap_pci_bars; | |
6b7c5b94 | 2728 | } |
e7b909a6 | 2729 | |
6b7c5b94 SP |
2730 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
2731 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
2732 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
2733 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 SP |
2734 | |
2735 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); | |
2b7bcebf IV |
2736 | mc_cmd_mem->va = dma_alloc_coherent(&adapter->pdev->dev, |
2737 | mc_cmd_mem->size, &mc_cmd_mem->dma, | |
2738 | GFP_KERNEL); | |
e7b909a6 SP |
2739 | if (mc_cmd_mem->va == NULL) { |
2740 | status = -ENOMEM; | |
2741 | goto free_mbox; | |
2742 | } | |
2743 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); | |
2744 | ||
2984961c | 2745 | mutex_init(&adapter->mbox_lock); |
8788fdc2 SP |
2746 | spin_lock_init(&adapter->mcc_lock); |
2747 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 2748 | |
dd131e76 | 2749 | init_completion(&adapter->flash_compl); |
cf588477 | 2750 | pci_save_state(adapter->pdev); |
6b7c5b94 | 2751 | return 0; |
e7b909a6 SP |
2752 | |
2753 | free_mbox: | |
2b7bcebf IV |
2754 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
2755 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
e7b909a6 SP |
2756 | |
2757 | unmap_pci_bars: | |
2758 | be_unmap_pci_bars(adapter); | |
2759 | ||
2760 | done: | |
2761 | return status; | |
6b7c5b94 SP |
2762 | } |
2763 | ||
2764 | static void be_stats_cleanup(struct be_adapter *adapter) | |
2765 | { | |
3abcdeda | 2766 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2767 | |
2768 | if (cmd->va) | |
2b7bcebf IV |
2769 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
2770 | cmd->va, cmd->dma); | |
6b7c5b94 SP |
2771 | } |
2772 | ||
2773 | static int be_stats_init(struct be_adapter *adapter) | |
2774 | { | |
3abcdeda | 2775 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
2776 | |
2777 | cmd->size = sizeof(struct be_cmd_req_get_stats); | |
2b7bcebf IV |
2778 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
2779 | GFP_KERNEL); | |
6b7c5b94 SP |
2780 | if (cmd->va == NULL) |
2781 | return -1; | |
d291b9af | 2782 | memset(cmd->va, 0, cmd->size); |
6b7c5b94 SP |
2783 | return 0; |
2784 | } | |
2785 | ||
2786 | static void __devexit be_remove(struct pci_dev *pdev) | |
2787 | { | |
2788 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 2789 | |
6b7c5b94 SP |
2790 | if (!adapter) |
2791 | return; | |
2792 | ||
f203af70 SK |
2793 | cancel_delayed_work_sync(&adapter->work); |
2794 | ||
6b7c5b94 SP |
2795 | unregister_netdev(adapter->netdev); |
2796 | ||
5fb379ee SP |
2797 | be_clear(adapter); |
2798 | ||
6b7c5b94 SP |
2799 | be_stats_cleanup(adapter); |
2800 | ||
2801 | be_ctrl_cleanup(adapter); | |
2802 | ||
ba343c77 SB |
2803 | be_sriov_disable(adapter); |
2804 | ||
8d56ff11 | 2805 | be_msix_disable(adapter); |
6b7c5b94 SP |
2806 | |
2807 | pci_set_drvdata(pdev, NULL); | |
2808 | pci_release_regions(pdev); | |
2809 | pci_disable_device(pdev); | |
2810 | ||
2811 | free_netdev(adapter->netdev); | |
2812 | } | |
2813 | ||
2243e2e9 | 2814 | static int be_get_config(struct be_adapter *adapter) |
6b7c5b94 | 2815 | { |
6b7c5b94 | 2816 | int status; |
2243e2e9 | 2817 | u8 mac[ETH_ALEN]; |
6b7c5b94 | 2818 | |
2243e2e9 | 2819 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); |
6b7c5b94 SP |
2820 | if (status) |
2821 | return status; | |
2822 | ||
3abcdeda SP |
2823 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
2824 | &adapter->function_mode, &adapter->function_caps); | |
43a04fdc SP |
2825 | if (status) |
2826 | return status; | |
2827 | ||
2243e2e9 | 2828 | memset(mac, 0, ETH_ALEN); |
ba343c77 SB |
2829 | |
2830 | if (be_physfn(adapter)) { | |
2831 | status = be_cmd_mac_addr_query(adapter, mac, | |
2243e2e9 | 2832 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); |
ca9e4988 | 2833 | |
ba343c77 SB |
2834 | if (status) |
2835 | return status; | |
ca9e4988 | 2836 | |
ba343c77 SB |
2837 | if (!is_valid_ether_addr(mac)) |
2838 | return -EADDRNOTAVAIL; | |
2839 | ||
2840 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2841 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2842 | } | |
6b7c5b94 | 2843 | |
3486be29 | 2844 | if (adapter->function_mode & 0x400) |
82903e4b AK |
2845 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; |
2846 | else | |
2847 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
2848 | ||
2243e2e9 | 2849 | return 0; |
6b7c5b94 SP |
2850 | } |
2851 | ||
fe6d2a38 SP |
2852 | static int be_dev_family_check(struct be_adapter *adapter) |
2853 | { | |
2854 | struct pci_dev *pdev = adapter->pdev; | |
2855 | u32 sli_intf = 0, if_type; | |
2856 | ||
2857 | switch (pdev->device) { | |
2858 | case BE_DEVICE_ID1: | |
2859 | case OC_DEVICE_ID1: | |
2860 | adapter->generation = BE_GEN2; | |
2861 | break; | |
2862 | case BE_DEVICE_ID2: | |
2863 | case OC_DEVICE_ID2: | |
2864 | adapter->generation = BE_GEN3; | |
2865 | break; | |
2866 | case OC_DEVICE_ID3: | |
2867 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); | |
2868 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> | |
2869 | SLI_INTF_IF_TYPE_SHIFT; | |
2870 | ||
2871 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || | |
2872 | if_type != 0x02) { | |
2873 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); | |
2874 | return -EINVAL; | |
2875 | } | |
2876 | if (num_vfs > 0) { | |
2877 | dev_err(&pdev->dev, "VFs not supported\n"); | |
2878 | return -EINVAL; | |
2879 | } | |
2880 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> | |
2881 | SLI_INTF_FAMILY_SHIFT); | |
2882 | adapter->generation = BE_GEN3; | |
2883 | break; | |
2884 | default: | |
2885 | adapter->generation = 0; | |
2886 | } | |
2887 | return 0; | |
2888 | } | |
2889 | ||
6b7c5b94 SP |
2890 | static int __devinit be_probe(struct pci_dev *pdev, |
2891 | const struct pci_device_id *pdev_id) | |
2892 | { | |
2893 | int status = 0; | |
2894 | struct be_adapter *adapter; | |
2895 | struct net_device *netdev; | |
6b7c5b94 SP |
2896 | |
2897 | status = pci_enable_device(pdev); | |
2898 | if (status) | |
2899 | goto do_none; | |
2900 | ||
2901 | status = pci_request_regions(pdev, DRV_NAME); | |
2902 | if (status) | |
2903 | goto disable_dev; | |
2904 | pci_set_master(pdev); | |
2905 | ||
2906 | netdev = alloc_etherdev(sizeof(struct be_adapter)); | |
2907 | if (netdev == NULL) { | |
2908 | status = -ENOMEM; | |
2909 | goto rel_reg; | |
2910 | } | |
2911 | adapter = netdev_priv(netdev); | |
2912 | adapter->pdev = pdev; | |
2913 | pci_set_drvdata(pdev, adapter); | |
fe6d2a38 SP |
2914 | |
2915 | status = be_dev_family_check(adapter); | |
63657b9c | 2916 | if (status) |
fe6d2a38 SP |
2917 | goto free_netdev; |
2918 | ||
6b7c5b94 | 2919 | adapter->netdev = netdev; |
2243e2e9 | 2920 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 2921 | |
2b7bcebf | 2922 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
2923 | if (!status) { |
2924 | netdev->features |= NETIF_F_HIGHDMA; | |
2925 | } else { | |
2b7bcebf | 2926 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
2927 | if (status) { |
2928 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
2929 | goto free_netdev; | |
2930 | } | |
2931 | } | |
2932 | ||
ba343c77 SB |
2933 | be_sriov_enable(adapter); |
2934 | ||
6b7c5b94 SP |
2935 | status = be_ctrl_init(adapter); |
2936 | if (status) | |
2937 | goto free_netdev; | |
2938 | ||
2243e2e9 | 2939 | /* sync up with fw's ready state */ |
ba343c77 SB |
2940 | if (be_physfn(adapter)) { |
2941 | status = be_cmd_POST(adapter); | |
2942 | if (status) | |
2943 | goto ctrl_clean; | |
ba343c77 | 2944 | } |
6b7c5b94 | 2945 | |
2243e2e9 SP |
2946 | /* tell fw we're ready to fire cmds */ |
2947 | status = be_cmd_fw_init(adapter); | |
6b7c5b94 | 2948 | if (status) |
2243e2e9 SP |
2949 | goto ctrl_clean; |
2950 | ||
556ae191 SB |
2951 | if (be_physfn(adapter)) { |
2952 | status = be_cmd_reset_function(adapter); | |
2953 | if (status) | |
2954 | goto ctrl_clean; | |
2955 | } | |
2956 | ||
2243e2e9 SP |
2957 | status = be_stats_init(adapter); |
2958 | if (status) | |
2959 | goto ctrl_clean; | |
2960 | ||
2961 | status = be_get_config(adapter); | |
6b7c5b94 SP |
2962 | if (status) |
2963 | goto stats_clean; | |
6b7c5b94 | 2964 | |
3abcdeda SP |
2965 | be_msix_enable(adapter); |
2966 | ||
6b7c5b94 | 2967 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
6b7c5b94 | 2968 | |
5fb379ee SP |
2969 | status = be_setup(adapter); |
2970 | if (status) | |
3abcdeda | 2971 | goto msix_disable; |
2243e2e9 | 2972 | |
3abcdeda | 2973 | be_netdev_init(netdev); |
6b7c5b94 SP |
2974 | status = register_netdev(netdev); |
2975 | if (status != 0) | |
5fb379ee | 2976 | goto unsetup; |
63a76944 | 2977 | netif_carrier_off(netdev); |
6b7c5b94 | 2978 | |
e6319365 AK |
2979 | if (be_physfn(adapter) && adapter->sriov_enabled) { |
2980 | status = be_vf_eth_addr_config(adapter); | |
2981 | if (status) | |
2982 | goto unreg_netdev; | |
2983 | } | |
2984 | ||
c4ca2374 | 2985 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); |
f203af70 | 2986 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
6b7c5b94 SP |
2987 | return 0; |
2988 | ||
e6319365 AK |
2989 | unreg_netdev: |
2990 | unregister_netdev(netdev); | |
5fb379ee SP |
2991 | unsetup: |
2992 | be_clear(adapter); | |
3abcdeda SP |
2993 | msix_disable: |
2994 | be_msix_disable(adapter); | |
6b7c5b94 SP |
2995 | stats_clean: |
2996 | be_stats_cleanup(adapter); | |
2997 | ctrl_clean: | |
2998 | be_ctrl_cleanup(adapter); | |
2999 | free_netdev: | |
ba343c77 | 3000 | be_sriov_disable(adapter); |
fe6d2a38 | 3001 | free_netdev(netdev); |
8d56ff11 | 3002 | pci_set_drvdata(pdev, NULL); |
6b7c5b94 SP |
3003 | rel_reg: |
3004 | pci_release_regions(pdev); | |
3005 | disable_dev: | |
3006 | pci_disable_device(pdev); | |
3007 | do_none: | |
c4ca2374 | 3008 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
3009 | return status; |
3010 | } | |
3011 | ||
3012 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
3013 | { | |
3014 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3015 | struct net_device *netdev = adapter->netdev; | |
3016 | ||
71d8d1b5 AK |
3017 | if (adapter->wol) |
3018 | be_setup_wol(adapter, true); | |
3019 | ||
6b7c5b94 SP |
3020 | netif_device_detach(netdev); |
3021 | if (netif_running(netdev)) { | |
3022 | rtnl_lock(); | |
3023 | be_close(netdev); | |
3024 | rtnl_unlock(); | |
3025 | } | |
9e90c961 | 3026 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); |
9b0365f1 | 3027 | be_clear(adapter); |
6b7c5b94 SP |
3028 | |
3029 | pci_save_state(pdev); | |
3030 | pci_disable_device(pdev); | |
3031 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
3032 | return 0; | |
3033 | } | |
3034 | ||
3035 | static int be_resume(struct pci_dev *pdev) | |
3036 | { | |
3037 | int status = 0; | |
3038 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3039 | struct net_device *netdev = adapter->netdev; | |
3040 | ||
3041 | netif_device_detach(netdev); | |
3042 | ||
3043 | status = pci_enable_device(pdev); | |
3044 | if (status) | |
3045 | return status; | |
3046 | ||
3047 | pci_set_power_state(pdev, 0); | |
3048 | pci_restore_state(pdev); | |
3049 | ||
2243e2e9 SP |
3050 | /* tell fw we're ready to fire cmds */ |
3051 | status = be_cmd_fw_init(adapter); | |
3052 | if (status) | |
3053 | return status; | |
3054 | ||
9b0365f1 | 3055 | be_setup(adapter); |
6b7c5b94 SP |
3056 | if (netif_running(netdev)) { |
3057 | rtnl_lock(); | |
3058 | be_open(netdev); | |
3059 | rtnl_unlock(); | |
3060 | } | |
3061 | netif_device_attach(netdev); | |
71d8d1b5 AK |
3062 | |
3063 | if (adapter->wol) | |
3064 | be_setup_wol(adapter, false); | |
6b7c5b94 SP |
3065 | return 0; |
3066 | } | |
3067 | ||
82456b03 SP |
3068 | /* |
3069 | * An FLR will stop BE from DMAing any data. | |
3070 | */ | |
3071 | static void be_shutdown(struct pci_dev *pdev) | |
3072 | { | |
3073 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3074 | struct net_device *netdev = adapter->netdev; | |
3075 | ||
3076 | netif_device_detach(netdev); | |
3077 | ||
3078 | be_cmd_reset_function(adapter); | |
3079 | ||
3080 | if (adapter->wol) | |
3081 | be_setup_wol(adapter, true); | |
3082 | ||
3083 | pci_disable_device(pdev); | |
82456b03 SP |
3084 | } |
3085 | ||
cf588477 SP |
3086 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
3087 | pci_channel_state_t state) | |
3088 | { | |
3089 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3090 | struct net_device *netdev = adapter->netdev; | |
3091 | ||
3092 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
3093 | ||
3094 | adapter->eeh_err = true; | |
3095 | ||
3096 | netif_device_detach(netdev); | |
3097 | ||
3098 | if (netif_running(netdev)) { | |
3099 | rtnl_lock(); | |
3100 | be_close(netdev); | |
3101 | rtnl_unlock(); | |
3102 | } | |
3103 | be_clear(adapter); | |
3104 | ||
3105 | if (state == pci_channel_io_perm_failure) | |
3106 | return PCI_ERS_RESULT_DISCONNECT; | |
3107 | ||
3108 | pci_disable_device(pdev); | |
3109 | ||
3110 | return PCI_ERS_RESULT_NEED_RESET; | |
3111 | } | |
3112 | ||
3113 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
3114 | { | |
3115 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3116 | int status; | |
3117 | ||
3118 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
3119 | adapter->eeh_err = false; | |
3120 | ||
3121 | status = pci_enable_device(pdev); | |
3122 | if (status) | |
3123 | return PCI_ERS_RESULT_DISCONNECT; | |
3124 | ||
3125 | pci_set_master(pdev); | |
3126 | pci_set_power_state(pdev, 0); | |
3127 | pci_restore_state(pdev); | |
3128 | ||
3129 | /* Check if card is ok and fw is ready */ | |
3130 | status = be_cmd_POST(adapter); | |
3131 | if (status) | |
3132 | return PCI_ERS_RESULT_DISCONNECT; | |
3133 | ||
3134 | return PCI_ERS_RESULT_RECOVERED; | |
3135 | } | |
3136 | ||
3137 | static void be_eeh_resume(struct pci_dev *pdev) | |
3138 | { | |
3139 | int status = 0; | |
3140 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3141 | struct net_device *netdev = adapter->netdev; | |
3142 | ||
3143 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
3144 | ||
3145 | pci_save_state(pdev); | |
3146 | ||
3147 | /* tell fw we're ready to fire cmds */ | |
3148 | status = be_cmd_fw_init(adapter); | |
3149 | if (status) | |
3150 | goto err; | |
3151 | ||
3152 | status = be_setup(adapter); | |
3153 | if (status) | |
3154 | goto err; | |
3155 | ||
3156 | if (netif_running(netdev)) { | |
3157 | status = be_open(netdev); | |
3158 | if (status) | |
3159 | goto err; | |
3160 | } | |
3161 | netif_device_attach(netdev); | |
3162 | return; | |
3163 | err: | |
3164 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
3165 | } |
3166 | ||
3167 | static struct pci_error_handlers be_eeh_handlers = { | |
3168 | .error_detected = be_eeh_err_detected, | |
3169 | .slot_reset = be_eeh_reset, | |
3170 | .resume = be_eeh_resume, | |
3171 | }; | |
3172 | ||
6b7c5b94 SP |
3173 | static struct pci_driver be_driver = { |
3174 | .name = DRV_NAME, | |
3175 | .id_table = be_dev_ids, | |
3176 | .probe = be_probe, | |
3177 | .remove = be_remove, | |
3178 | .suspend = be_suspend, | |
cf588477 | 3179 | .resume = be_resume, |
82456b03 | 3180 | .shutdown = be_shutdown, |
cf588477 | 3181 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
3182 | }; |
3183 | ||
3184 | static int __init be_init_module(void) | |
3185 | { | |
8e95a202 JP |
3186 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
3187 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
3188 | printk(KERN_WARNING DRV_NAME |
3189 | " : Module param rx_frag_size must be 2048/4096/8192." | |
3190 | " Using 2048\n"); | |
3191 | rx_frag_size = 2048; | |
3192 | } | |
6b7c5b94 | 3193 | |
ba343c77 SB |
3194 | if (num_vfs > 32) { |
3195 | printk(KERN_WARNING DRV_NAME | |
3196 | " : Module param num_vfs must not be greater than 32." | |
3197 | "Using 32\n"); | |
3198 | num_vfs = 32; | |
3199 | } | |
3200 | ||
6b7c5b94 SP |
3201 | return pci_register_driver(&be_driver); |
3202 | } | |
3203 | module_init(be_init_module); | |
3204 | ||
3205 | static void __exit be_exit_module(void) | |
3206 | { | |
3207 | pci_unregister_driver(&be_driver); | |
3208 | } | |
3209 | module_exit(be_exit_module); |