1 /* bnx2x_stats.c: Broadcom Everest network driver.
2  *
3  * Copyright (c) 2007-2013 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
10  * Written by: Eliezer Tamir
11  * Based on code from Michael Chan's bnx2 driver
12  * UDP CSUM errata workaround by Arik Gendelman
13  * Slowpath and fastpath rework by Vladislav Zolotarov
14  * Statistics and Link management by Yitchak Gertner
15  *
16  */
17 
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19 
20 #include "bnx2x_stats.h"
21 #include "bnx2x_cmn.h"
22 #include "bnx2x_sriov.h"
23 
24 /* Statistics */
25 
26 /*
27  * General service functions
28  */
29 
30 static inline long bnx2x_hilo(u32 *hiref)
31 {
32 	u32 lo = *(hiref + 1);
33 #if (BITS_PER_LONG == 64)
34 	u32 hi = *hiref;
35 
36 	return HILO_U64(hi, lo);
37 #else
38 	return lo;
39 #endif
40 }
41 
42 static inline u16 bnx2x_get_port_stats_dma_len(struct bnx2x *bp)
43 {
44 	u16 res = 0;
45 
46 	/* 'newest' convention - shmem2 cotains the size of the port stats */
47 	if (SHMEM2_HAS(bp, sizeof_port_stats)) {
48 		u32 size = SHMEM2_RD(bp, sizeof_port_stats);
49 		if (size)
50 			res = size;
51 
52 		/* prevent newer BC from causing buffer overflow */
53 		if (res > sizeof(struct host_port_stats))
54 			res = sizeof(struct host_port_stats);
55 	}
56 
57 	/* Older convention - all BCs support the port stats' fields up until
58 	 * the 'not_used' field
59 	 */
60 	if (!res) {
61 		res = offsetof(struct host_port_stats, not_used) + 4;
62 
63 		/* if PFC stats are supported by the MFW, DMA them as well */
64 		if (bp->flags & BC_SUPPORTS_PFC_STATS) {
65 			res += offsetof(struct host_port_stats,
66 					pfc_frames_rx_lo) -
67 			       offsetof(struct host_port_stats,
68 					pfc_frames_tx_hi) + 4 ;
69 		}
70 	}
71 
72 	res >>= 2;
73 
74 	WARN_ON(res > 2 * DMAE_LEN32_RD_MAX);
75 	return res;
76 }
77 
78 /*
79  * Init service functions
80  */
81 
82 static void bnx2x_dp_stats(struct bnx2x *bp)
83 {
84 	int i;
85 
86 	DP(BNX2X_MSG_STATS, "dumping stats:\n"
87 	   "fw_stats_req\n"
88 	   "    hdr\n"
89 	   "        cmd_num %d\n"
90 	   "        reserved0 %d\n"
91 	   "        drv_stats_counter %d\n"
92 	   "        reserved1 %d\n"
93 	   "        stats_counters_addrs %x %x\n",
94 	   bp->fw_stats_req->hdr.cmd_num,
95 	   bp->fw_stats_req->hdr.reserved0,
96 	   bp->fw_stats_req->hdr.drv_stats_counter,
97 	   bp->fw_stats_req->hdr.reserved1,
98 	   bp->fw_stats_req->hdr.stats_counters_addrs.hi,
99 	   bp->fw_stats_req->hdr.stats_counters_addrs.lo);
100 
101 	for (i = 0; i < bp->fw_stats_req->hdr.cmd_num; i++) {
102 		DP(BNX2X_MSG_STATS,
103 		   "query[%d]\n"
104 		   "              kind %d\n"
105 		   "              index %d\n"
106 		   "              funcID %d\n"
107 		   "              reserved %d\n"
108 		   "              address %x %x\n",
109 		   i, bp->fw_stats_req->query[i].kind,
110 		   bp->fw_stats_req->query[i].index,
111 		   bp->fw_stats_req->query[i].funcID,
112 		   bp->fw_stats_req->query[i].reserved,
113 		   bp->fw_stats_req->query[i].address.hi,
114 		   bp->fw_stats_req->query[i].address.lo);
115 	}
116 }
117 
118 /* Post the next statistics ramrod. Protect it with the spin in
119  * order to ensure the strict order between statistics ramrods
120  * (each ramrod has a sequence number passed in a
121  * bp->fw_stats_req->hdr.drv_stats_counter and ramrods must be
122  * sent in order).
123  */
124 static void bnx2x_storm_stats_post(struct bnx2x *bp)
125 {
126 	if (!bp->stats_pending) {
127 		int rc;
128 
129 		spin_lock_bh(&bp->stats_lock);
130 
131 		if (bp->stats_pending) {
132 			spin_unlock_bh(&bp->stats_lock);
133 			return;
134 		}
135 
136 		bp->fw_stats_req->hdr.drv_stats_counter =
137 			cpu_to_le16(bp->stats_counter++);
138 
139 		DP(BNX2X_MSG_STATS, "Sending statistics ramrod %d\n",
140 			bp->fw_stats_req->hdr.drv_stats_counter);
141 
142 		/* adjust the ramrod to include VF queues statistics */
143 		bnx2x_iov_adjust_stats_req(bp);
144 		bnx2x_dp_stats(bp);
145 
146 		/* send FW stats ramrod */
147 		rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STAT_QUERY, 0,
148 				   U64_HI(bp->fw_stats_req_mapping),
149 				   U64_LO(bp->fw_stats_req_mapping),
150 				   NONE_CONNECTION_TYPE);
151 		if (rc == 0)
152 			bp->stats_pending = 1;
153 
154 		spin_unlock_bh(&bp->stats_lock);
155 	}
156 }
157 
158 static void bnx2x_hw_stats_post(struct bnx2x *bp)
159 {
160 	struct dmae_command *dmae = &bp->stats_dmae;
161 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
162 
163 	*stats_comp = DMAE_COMP_VAL;
164 	if (CHIP_REV_IS_SLOW(bp))
165 		return;
166 
167 	/* Update MCP's statistics if possible */
168 	if (bp->func_stx)
169 		memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats,
170 		       sizeof(bp->func_stats));
171 
172 	/* loader */
173 	if (bp->executer_idx) {
174 		int loader_idx = PMF_DMAE_C(bp);
175 		u32 opcode =  bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
176 						 true, DMAE_COMP_GRC);
177 		opcode = bnx2x_dmae_opcode_clr_src_reset(opcode);
178 
179 		memset(dmae, 0, sizeof(struct dmae_command));
180 		dmae->opcode = opcode;
181 		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0]));
182 		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0]));
183 		dmae->dst_addr_lo = (DMAE_REG_CMD_MEM +
184 				     sizeof(struct dmae_command) *
185 				     (loader_idx + 1)) >> 2;
186 		dmae->dst_addr_hi = 0;
187 		dmae->len = sizeof(struct dmae_command) >> 2;
188 		if (CHIP_IS_E1(bp))
189 			dmae->len--;
190 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2;
191 		dmae->comp_addr_hi = 0;
192 		dmae->comp_val = 1;
193 
194 		*stats_comp = 0;
195 		bnx2x_post_dmae(bp, dmae, loader_idx);
196 
197 	} else if (bp->func_stx) {
198 		*stats_comp = 0;
199 		bnx2x_issue_dmae_with_comp(bp, dmae, stats_comp);
200 	}
201 }
202 
203 static int bnx2x_stats_comp(struct bnx2x *bp)
204 {
205 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
206 	int cnt = 10;
207 
208 	might_sleep();
209 	while (*stats_comp != DMAE_COMP_VAL) {
210 		if (!cnt) {
211 			BNX2X_ERR("timeout waiting for stats finished\n");
212 			break;
213 		}
214 		cnt--;
215 		usleep_range(1000, 2000);
216 	}
217 	return 1;
218 }
219 
220 /*
221  * Statistics service functions
222  */
223 
224 /* should be called under stats_sema */
225 static void __bnx2x_stats_pmf_update(struct bnx2x *bp)
226 {
227 	struct dmae_command *dmae;
228 	u32 opcode;
229 	int loader_idx = PMF_DMAE_C(bp);
230 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
231 
232 	/* sanity */
233 	if (!bp->port.pmf || !bp->port.port_stx) {
234 		BNX2X_ERR("BUG!\n");
235 		return;
236 	}
237 
238 	bp->executer_idx = 0;
239 
240 	opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI, false, 0);
241 
242 	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
243 	dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_GRC);
244 	dmae->src_addr_lo = bp->port.port_stx >> 2;
245 	dmae->src_addr_hi = 0;
246 	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
247 	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
248 	dmae->len = DMAE_LEN32_RD_MAX;
249 	dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
250 	dmae->comp_addr_hi = 0;
251 	dmae->comp_val = 1;
252 
253 	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
254 	dmae->opcode = bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
255 	dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX;
256 	dmae->src_addr_hi = 0;
257 	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) +
258 				   DMAE_LEN32_RD_MAX * 4);
259 	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) +
260 				   DMAE_LEN32_RD_MAX * 4);
261 	dmae->len = bnx2x_get_port_stats_dma_len(bp) - DMAE_LEN32_RD_MAX;
262 
263 	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
264 	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
265 	dmae->comp_val = DMAE_COMP_VAL;
266 
267 	*stats_comp = 0;
268 	bnx2x_hw_stats_post(bp);
269 	bnx2x_stats_comp(bp);
270 }
271 
272 static void bnx2x_port_stats_init(struct bnx2x *bp)
273 {
274 	struct dmae_command *dmae;
275 	int port = BP_PORT(bp);
276 	u32 opcode;
277 	int loader_idx = PMF_DMAE_C(bp);
278 	u32 mac_addr;
279 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
280 
281 	/* sanity */
282 	if (!bp->link_vars.link_up || !bp->port.pmf) {
283 		BNX2X_ERR("BUG!\n");
284 		return;
285 	}
286 
287 	bp->executer_idx = 0;
288 
289 	/* MCP */
290 	opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
291 				    true, DMAE_COMP_GRC);
292 
293 	if (bp->port.port_stx) {
294 
295 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
296 		dmae->opcode = opcode;
297 		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
298 		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
299 		dmae->dst_addr_lo = bp->port.port_stx >> 2;
300 		dmae->dst_addr_hi = 0;
301 		dmae->len = bnx2x_get_port_stats_dma_len(bp);
302 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
303 		dmae->comp_addr_hi = 0;
304 		dmae->comp_val = 1;
305 	}
306 
307 	if (bp->func_stx) {
308 
309 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
310 		dmae->opcode = opcode;
311 		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
312 		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
313 		dmae->dst_addr_lo = bp->func_stx >> 2;
314 		dmae->dst_addr_hi = 0;
315 		dmae->len = sizeof(struct host_func_stats) >> 2;
316 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
317 		dmae->comp_addr_hi = 0;
318 		dmae->comp_val = 1;
319 	}
320 
321 	/* MAC */
322 	opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
323 				   true, DMAE_COMP_GRC);
324 
325 	/* EMAC is special */
326 	if (bp->link_vars.mac_type == MAC_TYPE_EMAC) {
327 		mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0);
328 
329 		/* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/
330 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
331 		dmae->opcode = opcode;
332 		dmae->src_addr_lo = (mac_addr +
333 				     EMAC_REG_EMAC_RX_STAT_AC) >> 2;
334 		dmae->src_addr_hi = 0;
335 		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
336 		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
337 		dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT;
338 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
339 		dmae->comp_addr_hi = 0;
340 		dmae->comp_val = 1;
341 
342 		/* EMAC_REG_EMAC_RX_STAT_AC_28 */
343 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
344 		dmae->opcode = opcode;
345 		dmae->src_addr_lo = (mac_addr +
346 				     EMAC_REG_EMAC_RX_STAT_AC_28) >> 2;
347 		dmae->src_addr_hi = 0;
348 		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
349 		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
350 		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
351 		     offsetof(struct emac_stats, rx_stat_falsecarriererrors));
352 		dmae->len = 1;
353 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
354 		dmae->comp_addr_hi = 0;
355 		dmae->comp_val = 1;
356 
357 		/* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/
358 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
359 		dmae->opcode = opcode;
360 		dmae->src_addr_lo = (mac_addr +
361 				     EMAC_REG_EMAC_TX_STAT_AC) >> 2;
362 		dmae->src_addr_hi = 0;
363 		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) +
364 			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
365 		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) +
366 			offsetof(struct emac_stats, tx_stat_ifhcoutoctets));
367 		dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT;
368 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
369 		dmae->comp_addr_hi = 0;
370 		dmae->comp_val = 1;
371 	} else {
372 		u32 tx_src_addr_lo, rx_src_addr_lo;
373 		u16 rx_len, tx_len;
374 
375 		/* configure the params according to MAC type */
376 		switch (bp->link_vars.mac_type) {
377 		case MAC_TYPE_BMAC:
378 			mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM :
379 					   NIG_REG_INGRESS_BMAC0_MEM);
380 
381 			/* BIGMAC_REGISTER_TX_STAT_GTPKT ..
382 			   BIGMAC_REGISTER_TX_STAT_GTBYT */
383 			if (CHIP_IS_E1x(bp)) {
384 				tx_src_addr_lo = (mac_addr +
385 					BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
386 				tx_len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT -
387 					  BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2;
388 				rx_src_addr_lo = (mac_addr +
389 					BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
390 				rx_len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ -
391 					  BIGMAC_REGISTER_RX_STAT_GR64) >> 2;
392 			} else {
393 				tx_src_addr_lo = (mac_addr +
394 					BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
395 				tx_len = (8 + BIGMAC2_REGISTER_TX_STAT_GTBYT -
396 					  BIGMAC2_REGISTER_TX_STAT_GTPOK) >> 2;
397 				rx_src_addr_lo = (mac_addr +
398 					BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
399 				rx_len = (8 + BIGMAC2_REGISTER_RX_STAT_GRIPJ -
400 					  BIGMAC2_REGISTER_RX_STAT_GR64) >> 2;
401 			}
402 			break;
403 
404 		case MAC_TYPE_UMAC: /* handled by MSTAT */
405 		case MAC_TYPE_XMAC: /* handled by MSTAT */
406 		default:
407 			mac_addr = port ? GRCBASE_MSTAT1 : GRCBASE_MSTAT0;
408 			tx_src_addr_lo = (mac_addr +
409 					  MSTAT_REG_TX_STAT_GTXPOK_LO) >> 2;
410 			rx_src_addr_lo = (mac_addr +
411 					  MSTAT_REG_RX_STAT_GR64_LO) >> 2;
412 			tx_len = sizeof(bp->slowpath->
413 					mac_stats.mstat_stats.stats_tx) >> 2;
414 			rx_len = sizeof(bp->slowpath->
415 					mac_stats.mstat_stats.stats_rx) >> 2;
416 			break;
417 		}
418 
419 		/* TX stats */
420 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
421 		dmae->opcode = opcode;
422 		dmae->src_addr_lo = tx_src_addr_lo;
423 		dmae->src_addr_hi = 0;
424 		dmae->len = tx_len;
425 		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats));
426 		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats));
427 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
428 		dmae->comp_addr_hi = 0;
429 		dmae->comp_val = 1;
430 
431 		/* RX stats */
432 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
433 		dmae->opcode = opcode;
434 		dmae->src_addr_hi = 0;
435 		dmae->src_addr_lo = rx_src_addr_lo;
436 		dmae->dst_addr_lo =
437 			U64_LO(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
438 		dmae->dst_addr_hi =
439 			U64_HI(bnx2x_sp_mapping(bp, mac_stats) + (tx_len << 2));
440 		dmae->len = rx_len;
441 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
442 		dmae->comp_addr_hi = 0;
443 		dmae->comp_val = 1;
444 	}
445 
446 	/* NIG */
447 	if (!CHIP_IS_E3(bp)) {
448 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
449 		dmae->opcode = opcode;
450 		dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 :
451 					    NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2;
452 		dmae->src_addr_hi = 0;
453 		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
454 				offsetof(struct nig_stats, egress_mac_pkt0_lo));
455 		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
456 				offsetof(struct nig_stats, egress_mac_pkt0_lo));
457 		dmae->len = (2*sizeof(u32)) >> 2;
458 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
459 		dmae->comp_addr_hi = 0;
460 		dmae->comp_val = 1;
461 
462 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
463 		dmae->opcode = opcode;
464 		dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 :
465 					    NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2;
466 		dmae->src_addr_hi = 0;
467 		dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) +
468 				offsetof(struct nig_stats, egress_mac_pkt1_lo));
469 		dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) +
470 				offsetof(struct nig_stats, egress_mac_pkt1_lo));
471 		dmae->len = (2*sizeof(u32)) >> 2;
472 		dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
473 		dmae->comp_addr_hi = 0;
474 		dmae->comp_val = 1;
475 	}
476 
477 	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
478 	dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_GRC, DMAE_DST_PCI,
479 						 true, DMAE_COMP_PCI);
480 	dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD :
481 				    NIG_REG_STAT0_BRB_DISCARD) >> 2;
482 	dmae->src_addr_hi = 0;
483 	dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats));
484 	dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats));
485 	dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2;
486 
487 	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
488 	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
489 	dmae->comp_val = DMAE_COMP_VAL;
490 
491 	*stats_comp = 0;
492 }
493 
494 static void bnx2x_func_stats_init(struct bnx2x *bp)
495 {
496 	struct dmae_command *dmae = &bp->stats_dmae;
497 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
498 
499 	/* sanity */
500 	if (!bp->func_stx) {
501 		BNX2X_ERR("BUG!\n");
502 		return;
503 	}
504 
505 	bp->executer_idx = 0;
506 	memset(dmae, 0, sizeof(struct dmae_command));
507 
508 	dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
509 					 true, DMAE_COMP_PCI);
510 	dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
511 	dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
512 	dmae->dst_addr_lo = bp->func_stx >> 2;
513 	dmae->dst_addr_hi = 0;
514 	dmae->len = sizeof(struct host_func_stats) >> 2;
515 	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
516 	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
517 	dmae->comp_val = DMAE_COMP_VAL;
518 
519 	*stats_comp = 0;
520 }
521 
522 /* should be called under stats_sema */
523 static void __bnx2x_stats_start(struct bnx2x *bp)
524 {
525 	if (IS_PF(bp)) {
526 		if (bp->port.pmf)
527 			bnx2x_port_stats_init(bp);
528 
529 		else if (bp->func_stx)
530 			bnx2x_func_stats_init(bp);
531 
532 		bnx2x_hw_stats_post(bp);
533 		bnx2x_storm_stats_post(bp);
534 	}
535 
536 	bp->stats_started = true;
537 }
538 
539 static void bnx2x_stats_start(struct bnx2x *bp)
540 {
541 	if (down_timeout(&bp->stats_sema, HZ/10))
542 		BNX2X_ERR("Unable to acquire stats lock\n");
543 	__bnx2x_stats_start(bp);
544 	up(&bp->stats_sema);
545 }
546 
547 static void bnx2x_stats_pmf_start(struct bnx2x *bp)
548 {
549 	if (down_timeout(&bp->stats_sema, HZ/10))
550 		BNX2X_ERR("Unable to acquire stats lock\n");
551 	bnx2x_stats_comp(bp);
552 	__bnx2x_stats_pmf_update(bp);
553 	__bnx2x_stats_start(bp);
554 	up(&bp->stats_sema);
555 }
556 
557 static void bnx2x_stats_pmf_update(struct bnx2x *bp)
558 {
559 	if (down_timeout(&bp->stats_sema, HZ/10))
560 		BNX2X_ERR("Unable to acquire stats lock\n");
561 	__bnx2x_stats_pmf_update(bp);
562 	up(&bp->stats_sema);
563 }
564 
565 static void bnx2x_stats_restart(struct bnx2x *bp)
566 {
567 	/* vfs travel through here as part of the statistics FSM, but no action
568 	 * is required
569 	 */
570 	if (IS_VF(bp))
571 		return;
572 	if (down_timeout(&bp->stats_sema, HZ/10))
573 		BNX2X_ERR("Unable to acquire stats lock\n");
574 	bnx2x_stats_comp(bp);
575 	__bnx2x_stats_start(bp);
576 	up(&bp->stats_sema);
577 }
578 
579 static void bnx2x_bmac_stats_update(struct bnx2x *bp)
580 {
581 	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
582 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
583 	struct {
584 		u32 lo;
585 		u32 hi;
586 	} diff;
587 
588 	if (CHIP_IS_E1x(bp)) {
589 		struct bmac1_stats *new = bnx2x_sp(bp, mac_stats.bmac1_stats);
590 
591 		/* the macros below will use "bmac1_stats" type */
592 		UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
593 		UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
594 		UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
595 		UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
596 		UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
597 		UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
598 		UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
599 		UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
600 		UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
601 
602 		UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
603 		UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
604 		UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
605 		UPDATE_STAT64(tx_stat_gt127,
606 				tx_stat_etherstatspkts65octetsto127octets);
607 		UPDATE_STAT64(tx_stat_gt255,
608 				tx_stat_etherstatspkts128octetsto255octets);
609 		UPDATE_STAT64(tx_stat_gt511,
610 				tx_stat_etherstatspkts256octetsto511octets);
611 		UPDATE_STAT64(tx_stat_gt1023,
612 				tx_stat_etherstatspkts512octetsto1023octets);
613 		UPDATE_STAT64(tx_stat_gt1518,
614 				tx_stat_etherstatspkts1024octetsto1522octets);
615 		UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
616 		UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
617 		UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
618 		UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
619 		UPDATE_STAT64(tx_stat_gterr,
620 				tx_stat_dot3statsinternalmactransmiterrors);
621 		UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
622 
623 	} else {
624 		struct bmac2_stats *new = bnx2x_sp(bp, mac_stats.bmac2_stats);
625 
626 		/* the macros below will use "bmac2_stats" type */
627 		UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets);
628 		UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors);
629 		UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts);
630 		UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong);
631 		UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments);
632 		UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers);
633 		UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived);
634 		UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered);
635 		UPDATE_STAT64(rx_stat_grxpf, rx_stat_mac_xpf);
636 		UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent);
637 		UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone);
638 		UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets);
639 		UPDATE_STAT64(tx_stat_gt127,
640 				tx_stat_etherstatspkts65octetsto127octets);
641 		UPDATE_STAT64(tx_stat_gt255,
642 				tx_stat_etherstatspkts128octetsto255octets);
643 		UPDATE_STAT64(tx_stat_gt511,
644 				tx_stat_etherstatspkts256octetsto511octets);
645 		UPDATE_STAT64(tx_stat_gt1023,
646 				tx_stat_etherstatspkts512octetsto1023octets);
647 		UPDATE_STAT64(tx_stat_gt1518,
648 				tx_stat_etherstatspkts1024octetsto1522octets);
649 		UPDATE_STAT64(tx_stat_gt2047, tx_stat_mac_2047);
650 		UPDATE_STAT64(tx_stat_gt4095, tx_stat_mac_4095);
651 		UPDATE_STAT64(tx_stat_gt9216, tx_stat_mac_9216);
652 		UPDATE_STAT64(tx_stat_gt16383, tx_stat_mac_16383);
653 		UPDATE_STAT64(tx_stat_gterr,
654 				tx_stat_dot3statsinternalmactransmiterrors);
655 		UPDATE_STAT64(tx_stat_gtufl, tx_stat_mac_ufl);
656 
657 		/* collect PFC stats */
658 		pstats->pfc_frames_tx_hi = new->tx_stat_gtpp_hi;
659 		pstats->pfc_frames_tx_lo = new->tx_stat_gtpp_lo;
660 
661 		pstats->pfc_frames_rx_hi = new->rx_stat_grpp_hi;
662 		pstats->pfc_frames_rx_lo = new->rx_stat_grpp_lo;
663 	}
664 
665 	estats->pause_frames_received_hi =
666 				pstats->mac_stx[1].rx_stat_mac_xpf_hi;
667 	estats->pause_frames_received_lo =
668 				pstats->mac_stx[1].rx_stat_mac_xpf_lo;
669 
670 	estats->pause_frames_sent_hi =
671 				pstats->mac_stx[1].tx_stat_outxoffsent_hi;
672 	estats->pause_frames_sent_lo =
673 				pstats->mac_stx[1].tx_stat_outxoffsent_lo;
674 
675 	estats->pfc_frames_received_hi =
676 				pstats->pfc_frames_rx_hi;
677 	estats->pfc_frames_received_lo =
678 				pstats->pfc_frames_rx_lo;
679 	estats->pfc_frames_sent_hi =
680 				pstats->pfc_frames_tx_hi;
681 	estats->pfc_frames_sent_lo =
682 				pstats->pfc_frames_tx_lo;
683 }
684 
685 static void bnx2x_mstat_stats_update(struct bnx2x *bp)
686 {
687 	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
688 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
689 
690 	struct mstat_stats *new = bnx2x_sp(bp, mac_stats.mstat_stats);
691 
692 	ADD_STAT64(stats_rx.rx_grerb, rx_stat_ifhcinbadoctets);
693 	ADD_STAT64(stats_rx.rx_grfcs, rx_stat_dot3statsfcserrors);
694 	ADD_STAT64(stats_rx.rx_grund, rx_stat_etherstatsundersizepkts);
695 	ADD_STAT64(stats_rx.rx_grovr, rx_stat_dot3statsframestoolong);
696 	ADD_STAT64(stats_rx.rx_grfrg, rx_stat_etherstatsfragments);
697 	ADD_STAT64(stats_rx.rx_grxcf, rx_stat_maccontrolframesreceived);
698 	ADD_STAT64(stats_rx.rx_grxpf, rx_stat_xoffstateentered);
699 	ADD_STAT64(stats_rx.rx_grxpf, rx_stat_mac_xpf);
700 	ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_outxoffsent);
701 	ADD_STAT64(stats_tx.tx_gtxpf, tx_stat_flowcontroldone);
702 
703 	/* collect pfc stats */
704 	ADD_64(pstats->pfc_frames_tx_hi, new->stats_tx.tx_gtxpp_hi,
705 		pstats->pfc_frames_tx_lo, new->stats_tx.tx_gtxpp_lo);
706 	ADD_64(pstats->pfc_frames_rx_hi, new->stats_rx.rx_grxpp_hi,
707 		pstats->pfc_frames_rx_lo, new->stats_rx.rx_grxpp_lo);
708 
709 	ADD_STAT64(stats_tx.tx_gt64, tx_stat_etherstatspkts64octets);
710 	ADD_STAT64(stats_tx.tx_gt127,
711 			tx_stat_etherstatspkts65octetsto127octets);
712 	ADD_STAT64(stats_tx.tx_gt255,
713 			tx_stat_etherstatspkts128octetsto255octets);
714 	ADD_STAT64(stats_tx.tx_gt511,
715 			tx_stat_etherstatspkts256octetsto511octets);
716 	ADD_STAT64(stats_tx.tx_gt1023,
717 			tx_stat_etherstatspkts512octetsto1023octets);
718 	ADD_STAT64(stats_tx.tx_gt1518,
719 			tx_stat_etherstatspkts1024octetsto1522octets);
720 	ADD_STAT64(stats_tx.tx_gt2047, tx_stat_mac_2047);
721 
722 	ADD_STAT64(stats_tx.tx_gt4095, tx_stat_mac_4095);
723 	ADD_STAT64(stats_tx.tx_gt9216, tx_stat_mac_9216);
724 	ADD_STAT64(stats_tx.tx_gt16383, tx_stat_mac_16383);
725 
726 	ADD_STAT64(stats_tx.tx_gterr,
727 			tx_stat_dot3statsinternalmactransmiterrors);
728 	ADD_STAT64(stats_tx.tx_gtufl, tx_stat_mac_ufl);
729 
730 	estats->etherstatspkts1024octetsto1522octets_hi =
731 	    pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_hi;
732 	estats->etherstatspkts1024octetsto1522octets_lo =
733 	    pstats->mac_stx[1].tx_stat_etherstatspkts1024octetsto1522octets_lo;
734 
735 	estats->etherstatspktsover1522octets_hi =
736 	    pstats->mac_stx[1].tx_stat_mac_2047_hi;
737 	estats->etherstatspktsover1522octets_lo =
738 	    pstats->mac_stx[1].tx_stat_mac_2047_lo;
739 
740 	ADD_64(estats->etherstatspktsover1522octets_hi,
741 	       pstats->mac_stx[1].tx_stat_mac_4095_hi,
742 	       estats->etherstatspktsover1522octets_lo,
743 	       pstats->mac_stx[1].tx_stat_mac_4095_lo);
744 
745 	ADD_64(estats->etherstatspktsover1522octets_hi,
746 	       pstats->mac_stx[1].tx_stat_mac_9216_hi,
747 	       estats->etherstatspktsover1522octets_lo,
748 	       pstats->mac_stx[1].tx_stat_mac_9216_lo);
749 
750 	ADD_64(estats->etherstatspktsover1522octets_hi,
751 	       pstats->mac_stx[1].tx_stat_mac_16383_hi,
752 	       estats->etherstatspktsover1522octets_lo,
753 	       pstats->mac_stx[1].tx_stat_mac_16383_lo);
754 
755 	estats->pause_frames_received_hi =
756 				pstats->mac_stx[1].rx_stat_mac_xpf_hi;
757 	estats->pause_frames_received_lo =
758 				pstats->mac_stx[1].rx_stat_mac_xpf_lo;
759 
760 	estats->pause_frames_sent_hi =
761 				pstats->mac_stx[1].tx_stat_outxoffsent_hi;
762 	estats->pause_frames_sent_lo =
763 				pstats->mac_stx[1].tx_stat_outxoffsent_lo;
764 
765 	estats->pfc_frames_received_hi =
766 				pstats->pfc_frames_rx_hi;
767 	estats->pfc_frames_received_lo =
768 				pstats->pfc_frames_rx_lo;
769 	estats->pfc_frames_sent_hi =
770 				pstats->pfc_frames_tx_hi;
771 	estats->pfc_frames_sent_lo =
772 				pstats->pfc_frames_tx_lo;
773 }
774 
775 static void bnx2x_emac_stats_update(struct bnx2x *bp)
776 {
777 	struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats);
778 	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
779 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
780 
781 	UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets);
782 	UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets);
783 	UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors);
784 	UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors);
785 	UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors);
786 	UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors);
787 	UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts);
788 	UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong);
789 	UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments);
790 	UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers);
791 	UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived);
792 	UPDATE_EXTEND_STAT(rx_stat_xoffstateentered);
793 	UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived);
794 	UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived);
795 	UPDATE_EXTEND_STAT(tx_stat_outxonsent);
796 	UPDATE_EXTEND_STAT(tx_stat_outxoffsent);
797 	UPDATE_EXTEND_STAT(tx_stat_flowcontroldone);
798 	UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions);
799 	UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes);
800 	UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes);
801 	UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions);
802 	UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions);
803 	UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions);
804 	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets);
805 	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets);
806 	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets);
807 	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets);
808 	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets);
809 	UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets);
810 	UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets);
811 	UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors);
812 
813 	estats->pause_frames_received_hi =
814 			pstats->mac_stx[1].rx_stat_xonpauseframesreceived_hi;
815 	estats->pause_frames_received_lo =
816 			pstats->mac_stx[1].rx_stat_xonpauseframesreceived_lo;
817 	ADD_64(estats->pause_frames_received_hi,
818 	       pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_hi,
819 	       estats->pause_frames_received_lo,
820 	       pstats->mac_stx[1].rx_stat_xoffpauseframesreceived_lo);
821 
822 	estats->pause_frames_sent_hi =
823 			pstats->mac_stx[1].tx_stat_outxonsent_hi;
824 	estats->pause_frames_sent_lo =
825 			pstats->mac_stx[1].tx_stat_outxonsent_lo;
826 	ADD_64(estats->pause_frames_sent_hi,
827 	       pstats->mac_stx[1].tx_stat_outxoffsent_hi,
828 	       estats->pause_frames_sent_lo,
829 	       pstats->mac_stx[1].tx_stat_outxoffsent_lo);
830 }
831 
832 static int bnx2x_hw_stats_update(struct bnx2x *bp)
833 {
834 	struct nig_stats *new = bnx2x_sp(bp, nig_stats);
835 	struct nig_stats *old = &(bp->port.old_nig_stats);
836 	struct host_port_stats *pstats = bnx2x_sp(bp, port_stats);
837 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
838 	struct {
839 		u32 lo;
840 		u32 hi;
841 	} diff;
842 
843 	switch (bp->link_vars.mac_type) {
844 	case MAC_TYPE_BMAC:
845 		bnx2x_bmac_stats_update(bp);
846 		break;
847 
848 	case MAC_TYPE_EMAC:
849 		bnx2x_emac_stats_update(bp);
850 		break;
851 
852 	case MAC_TYPE_UMAC:
853 	case MAC_TYPE_XMAC:
854 		bnx2x_mstat_stats_update(bp);
855 		break;
856 
857 	case MAC_TYPE_NONE: /* unreached */
858 		DP(BNX2X_MSG_STATS,
859 		   "stats updated by DMAE but no MAC active\n");
860 		return -1;
861 
862 	default: /* unreached */
863 		BNX2X_ERR("Unknown MAC type\n");
864 	}
865 
866 	ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo,
867 		      new->brb_discard - old->brb_discard);
868 	ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo,
869 		      new->brb_truncate - old->brb_truncate);
870 
871 	if (!CHIP_IS_E3(bp)) {
872 		UPDATE_STAT64_NIG(egress_mac_pkt0,
873 					etherstatspkts1024octetsto1522octets);
874 		UPDATE_STAT64_NIG(egress_mac_pkt1,
875 					etherstatspktsover1522octets);
876 	}
877 
878 	memcpy(old, new, sizeof(struct nig_stats));
879 
880 	memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]),
881 	       sizeof(struct mac_stx));
882 	estats->brb_drop_hi = pstats->brb_drop_hi;
883 	estats->brb_drop_lo = pstats->brb_drop_lo;
884 
885 	pstats->host_port_stats_counter++;
886 
887 	if (CHIP_IS_E3(bp)) {
888 		u32 lpi_reg = BP_PORT(bp) ? MISC_REG_CPMU_LP_SM_ENT_CNT_P1
889 					  : MISC_REG_CPMU_LP_SM_ENT_CNT_P0;
890 		estats->eee_tx_lpi += REG_RD(bp, lpi_reg);
891 	}
892 
893 	if (!BP_NOMCP(bp)) {
894 		u32 nig_timer_max =
895 			SHMEM_RD(bp, port_mb[BP_PORT(bp)].stat_nig_timer);
896 		if (nig_timer_max != estats->nig_timer_max) {
897 			estats->nig_timer_max = nig_timer_max;
898 			BNX2X_ERR("NIG timer max (%u)\n",
899 				  estats->nig_timer_max);
900 		}
901 	}
902 
903 	return 0;
904 }
905 
906 static int bnx2x_storm_stats_validate_counters(struct bnx2x *bp)
907 {
908 	struct stats_counter *counters = &bp->fw_stats_data->storm_counters;
909 	u16 cur_stats_counter;
910 	/* Make sure we use the value of the counter
911 	 * used for sending the last stats ramrod.
912 	 */
913 	cur_stats_counter = bp->stats_counter - 1;
914 
915 	/* are storm stats valid? */
916 	if (le16_to_cpu(counters->xstats_counter) != cur_stats_counter) {
917 		DP(BNX2X_MSG_STATS,
918 		   "stats not updated by xstorm  xstorm counter (0x%x) != stats_counter (0x%x)\n",
919 		   le16_to_cpu(counters->xstats_counter), bp->stats_counter);
920 		return -EAGAIN;
921 	}
922 
923 	if (le16_to_cpu(counters->ustats_counter) != cur_stats_counter) {
924 		DP(BNX2X_MSG_STATS,
925 		   "stats not updated by ustorm  ustorm counter (0x%x) != stats_counter (0x%x)\n",
926 		   le16_to_cpu(counters->ustats_counter), bp->stats_counter);
927 		return -EAGAIN;
928 	}
929 
930 	if (le16_to_cpu(counters->cstats_counter) != cur_stats_counter) {
931 		DP(BNX2X_MSG_STATS,
932 		   "stats not updated by cstorm  cstorm counter (0x%x) != stats_counter (0x%x)\n",
933 		   le16_to_cpu(counters->cstats_counter), bp->stats_counter);
934 		return -EAGAIN;
935 	}
936 
937 	if (le16_to_cpu(counters->tstats_counter) != cur_stats_counter) {
938 		DP(BNX2X_MSG_STATS,
939 		   "stats not updated by tstorm  tstorm counter (0x%x) != stats_counter (0x%x)\n",
940 		   le16_to_cpu(counters->tstats_counter), bp->stats_counter);
941 		return -EAGAIN;
942 	}
943 	return 0;
944 }
945 
946 static int bnx2x_storm_stats_update(struct bnx2x *bp)
947 {
948 	struct tstorm_per_port_stats *tport =
949 				&bp->fw_stats_data->port.tstorm_port_statistics;
950 	struct tstorm_per_pf_stats *tfunc =
951 				&bp->fw_stats_data->pf.tstorm_pf_statistics;
952 	struct host_func_stats *fstats = &bp->func_stats;
953 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
954 	struct bnx2x_eth_stats_old *estats_old = &bp->eth_stats_old;
955 	int i;
956 
957 	/* vfs stat counter is managed by pf */
958 	if (IS_PF(bp) && bnx2x_storm_stats_validate_counters(bp))
959 		return -EAGAIN;
960 
961 	estats->error_bytes_received_hi = 0;
962 	estats->error_bytes_received_lo = 0;
963 
964 	for_each_eth_queue(bp, i) {
965 		struct bnx2x_fastpath *fp = &bp->fp[i];
966 		struct tstorm_per_queue_stats *tclient =
967 			&bp->fw_stats_data->queue_stats[i].
968 			tstorm_queue_statistics;
969 		struct tstorm_per_queue_stats *old_tclient =
970 			&bnx2x_fp_stats(bp, fp)->old_tclient;
971 		struct ustorm_per_queue_stats *uclient =
972 			&bp->fw_stats_data->queue_stats[i].
973 			ustorm_queue_statistics;
974 		struct ustorm_per_queue_stats *old_uclient =
975 			&bnx2x_fp_stats(bp, fp)->old_uclient;
976 		struct xstorm_per_queue_stats *xclient =
977 			&bp->fw_stats_data->queue_stats[i].
978 			xstorm_queue_statistics;
979 		struct xstorm_per_queue_stats *old_xclient =
980 			&bnx2x_fp_stats(bp, fp)->old_xclient;
981 		struct bnx2x_eth_q_stats *qstats =
982 			&bnx2x_fp_stats(bp, fp)->eth_q_stats;
983 		struct bnx2x_eth_q_stats_old *qstats_old =
984 			&bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
985 
986 		u32 diff;
987 
988 		DP(BNX2X_MSG_STATS, "queue[%d]: ucast_sent 0x%x, bcast_sent 0x%x mcast_sent 0x%x\n",
989 		   i, xclient->ucast_pkts_sent,
990 		   xclient->bcast_pkts_sent, xclient->mcast_pkts_sent);
991 
992 		DP(BNX2X_MSG_STATS, "---------------\n");
993 
994 		UPDATE_QSTAT(tclient->rcv_bcast_bytes,
995 			     total_broadcast_bytes_received);
996 		UPDATE_QSTAT(tclient->rcv_mcast_bytes,
997 			     total_multicast_bytes_received);
998 		UPDATE_QSTAT(tclient->rcv_ucast_bytes,
999 			     total_unicast_bytes_received);
1000 
1001 		/*
1002 		 * sum to total_bytes_received all
1003 		 * unicast/multicast/broadcast
1004 		 */
1005 		qstats->total_bytes_received_hi =
1006 			qstats->total_broadcast_bytes_received_hi;
1007 		qstats->total_bytes_received_lo =
1008 			qstats->total_broadcast_bytes_received_lo;
1009 
1010 		ADD_64(qstats->total_bytes_received_hi,
1011 		       qstats->total_multicast_bytes_received_hi,
1012 		       qstats->total_bytes_received_lo,
1013 		       qstats->total_multicast_bytes_received_lo);
1014 
1015 		ADD_64(qstats->total_bytes_received_hi,
1016 		       qstats->total_unicast_bytes_received_hi,
1017 		       qstats->total_bytes_received_lo,
1018 		       qstats->total_unicast_bytes_received_lo);
1019 
1020 		qstats->valid_bytes_received_hi =
1021 					qstats->total_bytes_received_hi;
1022 		qstats->valid_bytes_received_lo =
1023 					qstats->total_bytes_received_lo;
1024 
1025 		UPDATE_EXTEND_TSTAT(rcv_ucast_pkts,
1026 					total_unicast_packets_received);
1027 		UPDATE_EXTEND_TSTAT(rcv_mcast_pkts,
1028 					total_multicast_packets_received);
1029 		UPDATE_EXTEND_TSTAT(rcv_bcast_pkts,
1030 					total_broadcast_packets_received);
1031 		UPDATE_EXTEND_E_TSTAT(pkts_too_big_discard,
1032 				      etherstatsoverrsizepkts, 32);
1033 		UPDATE_EXTEND_E_TSTAT(no_buff_discard, no_buff_discard, 16);
1034 
1035 		SUB_EXTEND_USTAT(ucast_no_buff_pkts,
1036 					total_unicast_packets_received);
1037 		SUB_EXTEND_USTAT(mcast_no_buff_pkts,
1038 					total_multicast_packets_received);
1039 		SUB_EXTEND_USTAT(bcast_no_buff_pkts,
1040 					total_broadcast_packets_received);
1041 		UPDATE_EXTEND_E_USTAT(ucast_no_buff_pkts, no_buff_discard);
1042 		UPDATE_EXTEND_E_USTAT(mcast_no_buff_pkts, no_buff_discard);
1043 		UPDATE_EXTEND_E_USTAT(bcast_no_buff_pkts, no_buff_discard);
1044 
1045 		UPDATE_QSTAT(xclient->bcast_bytes_sent,
1046 			     total_broadcast_bytes_transmitted);
1047 		UPDATE_QSTAT(xclient->mcast_bytes_sent,
1048 			     total_multicast_bytes_transmitted);
1049 		UPDATE_QSTAT(xclient->ucast_bytes_sent,
1050 			     total_unicast_bytes_transmitted);
1051 
1052 		/*
1053 		 * sum to total_bytes_transmitted all
1054 		 * unicast/multicast/broadcast
1055 		 */
1056 		qstats->total_bytes_transmitted_hi =
1057 				qstats->total_unicast_bytes_transmitted_hi;
1058 		qstats->total_bytes_transmitted_lo =
1059 				qstats->total_unicast_bytes_transmitted_lo;
1060 
1061 		ADD_64(qstats->total_bytes_transmitted_hi,
1062 		       qstats->total_broadcast_bytes_transmitted_hi,
1063 		       qstats->total_bytes_transmitted_lo,
1064 		       qstats->total_broadcast_bytes_transmitted_lo);
1065 
1066 		ADD_64(qstats->total_bytes_transmitted_hi,
1067 		       qstats->total_multicast_bytes_transmitted_hi,
1068 		       qstats->total_bytes_transmitted_lo,
1069 		       qstats->total_multicast_bytes_transmitted_lo);
1070 
1071 		UPDATE_EXTEND_XSTAT(ucast_pkts_sent,
1072 					total_unicast_packets_transmitted);
1073 		UPDATE_EXTEND_XSTAT(mcast_pkts_sent,
1074 					total_multicast_packets_transmitted);
1075 		UPDATE_EXTEND_XSTAT(bcast_pkts_sent,
1076 					total_broadcast_packets_transmitted);
1077 
1078 		UPDATE_EXTEND_TSTAT(checksum_discard,
1079 				    total_packets_received_checksum_discarded);
1080 		UPDATE_EXTEND_TSTAT(ttl0_discard,
1081 				    total_packets_received_ttl0_discarded);
1082 
1083 		UPDATE_EXTEND_XSTAT(error_drop_pkts,
1084 				    total_transmitted_dropped_packets_error);
1085 
1086 		/* TPA aggregations completed */
1087 		UPDATE_EXTEND_E_USTAT(coalesced_events, total_tpa_aggregations);
1088 		/* Number of network frames aggregated by TPA */
1089 		UPDATE_EXTEND_E_USTAT(coalesced_pkts,
1090 				      total_tpa_aggregated_frames);
1091 		/* Total number of bytes in completed TPA aggregations */
1092 		UPDATE_QSTAT(uclient->coalesced_bytes, total_tpa_bytes);
1093 
1094 		UPDATE_ESTAT_QSTAT_64(total_tpa_bytes);
1095 
1096 		UPDATE_FSTAT_QSTAT(total_bytes_received);
1097 		UPDATE_FSTAT_QSTAT(total_bytes_transmitted);
1098 		UPDATE_FSTAT_QSTAT(total_unicast_packets_received);
1099 		UPDATE_FSTAT_QSTAT(total_multicast_packets_received);
1100 		UPDATE_FSTAT_QSTAT(total_broadcast_packets_received);
1101 		UPDATE_FSTAT_QSTAT(total_unicast_packets_transmitted);
1102 		UPDATE_FSTAT_QSTAT(total_multicast_packets_transmitted);
1103 		UPDATE_FSTAT_QSTAT(total_broadcast_packets_transmitted);
1104 		UPDATE_FSTAT_QSTAT(valid_bytes_received);
1105 	}
1106 
1107 	ADD_64(estats->total_bytes_received_hi,
1108 	       estats->rx_stat_ifhcinbadoctets_hi,
1109 	       estats->total_bytes_received_lo,
1110 	       estats->rx_stat_ifhcinbadoctets_lo);
1111 
1112 	ADD_64_LE(estats->total_bytes_received_hi,
1113 		  tfunc->rcv_error_bytes.hi,
1114 		  estats->total_bytes_received_lo,
1115 		  tfunc->rcv_error_bytes.lo);
1116 
1117 	ADD_64_LE(estats->error_bytes_received_hi,
1118 		  tfunc->rcv_error_bytes.hi,
1119 		  estats->error_bytes_received_lo,
1120 		  tfunc->rcv_error_bytes.lo);
1121 
1122 	UPDATE_ESTAT(etherstatsoverrsizepkts, rx_stat_dot3statsframestoolong);
1123 
1124 	ADD_64(estats->error_bytes_received_hi,
1125 	       estats->rx_stat_ifhcinbadoctets_hi,
1126 	       estats->error_bytes_received_lo,
1127 	       estats->rx_stat_ifhcinbadoctets_lo);
1128 
1129 	if (bp->port.pmf) {
1130 		struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1131 		UPDATE_FW_STAT(mac_filter_discard);
1132 		UPDATE_FW_STAT(mf_tag_discard);
1133 		UPDATE_FW_STAT(brb_truncate_discard);
1134 		UPDATE_FW_STAT(mac_discard);
1135 	}
1136 
1137 	fstats->host_func_stats_start = ++fstats->host_func_stats_end;
1138 
1139 	bp->stats_pending = 0;
1140 
1141 	return 0;
1142 }
1143 
1144 static void bnx2x_net_stats_update(struct bnx2x *bp)
1145 {
1146 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
1147 	struct net_device_stats *nstats = &bp->dev->stats;
1148 	unsigned long tmp;
1149 	int i;
1150 
1151 	nstats->rx_packets =
1152 		bnx2x_hilo(&estats->total_unicast_packets_received_hi) +
1153 		bnx2x_hilo(&estats->total_multicast_packets_received_hi) +
1154 		bnx2x_hilo(&estats->total_broadcast_packets_received_hi);
1155 
1156 	nstats->tx_packets =
1157 		bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) +
1158 		bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) +
1159 		bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi);
1160 
1161 	nstats->rx_bytes = bnx2x_hilo(&estats->total_bytes_received_hi);
1162 
1163 	nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi);
1164 
1165 	tmp = estats->mac_discard;
1166 	for_each_rx_queue(bp, i) {
1167 		struct tstorm_per_queue_stats *old_tclient =
1168 			&bp->fp_stats[i].old_tclient;
1169 		tmp += le32_to_cpu(old_tclient->checksum_discard);
1170 	}
1171 	nstats->rx_dropped = tmp + bp->net_stats_old.rx_dropped;
1172 
1173 	nstats->tx_dropped = 0;
1174 
1175 	nstats->multicast =
1176 		bnx2x_hilo(&estats->total_multicast_packets_received_hi);
1177 
1178 	nstats->collisions =
1179 		bnx2x_hilo(&estats->tx_stat_etherstatscollisions_hi);
1180 
1181 	nstats->rx_length_errors =
1182 		bnx2x_hilo(&estats->rx_stat_etherstatsundersizepkts_hi) +
1183 		bnx2x_hilo(&estats->etherstatsoverrsizepkts_hi);
1184 	nstats->rx_over_errors = bnx2x_hilo(&estats->brb_drop_hi) +
1185 				 bnx2x_hilo(&estats->brb_truncate_hi);
1186 	nstats->rx_crc_errors =
1187 		bnx2x_hilo(&estats->rx_stat_dot3statsfcserrors_hi);
1188 	nstats->rx_frame_errors =
1189 		bnx2x_hilo(&estats->rx_stat_dot3statsalignmenterrors_hi);
1190 	nstats->rx_fifo_errors = bnx2x_hilo(&estats->no_buff_discard_hi);
1191 	nstats->rx_missed_errors = 0;
1192 
1193 	nstats->rx_errors = nstats->rx_length_errors +
1194 			    nstats->rx_over_errors +
1195 			    nstats->rx_crc_errors +
1196 			    nstats->rx_frame_errors +
1197 			    nstats->rx_fifo_errors +
1198 			    nstats->rx_missed_errors;
1199 
1200 	nstats->tx_aborted_errors =
1201 		bnx2x_hilo(&estats->tx_stat_dot3statslatecollisions_hi) +
1202 		bnx2x_hilo(&estats->tx_stat_dot3statsexcessivecollisions_hi);
1203 	nstats->tx_carrier_errors =
1204 		bnx2x_hilo(&estats->rx_stat_dot3statscarriersenseerrors_hi);
1205 	nstats->tx_fifo_errors = 0;
1206 	nstats->tx_heartbeat_errors = 0;
1207 	nstats->tx_window_errors = 0;
1208 
1209 	nstats->tx_errors = nstats->tx_aborted_errors +
1210 			    nstats->tx_carrier_errors +
1211 	    bnx2x_hilo(&estats->tx_stat_dot3statsinternalmactransmiterrors_hi);
1212 }
1213 
1214 static void bnx2x_drv_stats_update(struct bnx2x *bp)
1215 {
1216 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
1217 	int i;
1218 
1219 	for_each_queue(bp, i) {
1220 		struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1221 		struct bnx2x_eth_q_stats_old *qstats_old =
1222 			&bp->fp_stats[i].eth_q_stats_old;
1223 
1224 		UPDATE_ESTAT_QSTAT(driver_xoff);
1225 		UPDATE_ESTAT_QSTAT(rx_err_discard_pkt);
1226 		UPDATE_ESTAT_QSTAT(rx_skb_alloc_failed);
1227 		UPDATE_ESTAT_QSTAT(hw_csum_err);
1228 		UPDATE_ESTAT_QSTAT(driver_filtered_tx_pkt);
1229 	}
1230 }
1231 
1232 static bool bnx2x_edebug_stats_stopped(struct bnx2x *bp)
1233 {
1234 	u32 val;
1235 
1236 	if (SHMEM2_HAS(bp, edebug_driver_if[1])) {
1237 		val = SHMEM2_RD(bp, edebug_driver_if[1]);
1238 
1239 		if (val == EDEBUG_DRIVER_IF_OP_CODE_DISABLE_STAT)
1240 			return true;
1241 	}
1242 
1243 	return false;
1244 }
1245 
1246 static void bnx2x_stats_update(struct bnx2x *bp)
1247 {
1248 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1249 
1250 	/* we run update from timer context, so give up
1251 	 * if somebody is in the middle of transition
1252 	 */
1253 	if (down_trylock(&bp->stats_sema))
1254 		return;
1255 
1256 	if (bnx2x_edebug_stats_stopped(bp) || !bp->stats_started)
1257 		goto out;
1258 
1259 	if (IS_PF(bp)) {
1260 		if (*stats_comp != DMAE_COMP_VAL)
1261 			goto out;
1262 
1263 		if (bp->port.pmf)
1264 			bnx2x_hw_stats_update(bp);
1265 
1266 		if (bnx2x_storm_stats_update(bp)) {
1267 			if (bp->stats_pending++ == 3) {
1268 				BNX2X_ERR("storm stats were not updated for 3 times\n");
1269 				bnx2x_panic();
1270 			}
1271 			goto out;
1272 		}
1273 	} else {
1274 		/* vf doesn't collect HW statistics, and doesn't get completions
1275 		 * perform only update
1276 		 */
1277 		bnx2x_storm_stats_update(bp);
1278 	}
1279 
1280 	bnx2x_net_stats_update(bp);
1281 	bnx2x_drv_stats_update(bp);
1282 
1283 	/* vf is done */
1284 	if (IS_VF(bp))
1285 		goto out;
1286 
1287 	if (netif_msg_timer(bp)) {
1288 		struct bnx2x_eth_stats *estats = &bp->eth_stats;
1289 
1290 		netdev_dbg(bp->dev, "brb drops %u  brb truncate %u\n",
1291 		       estats->brb_drop_lo, estats->brb_truncate_lo);
1292 	}
1293 
1294 	bnx2x_hw_stats_post(bp);
1295 	bnx2x_storm_stats_post(bp);
1296 
1297 out:
1298 	up(&bp->stats_sema);
1299 }
1300 
1301 static void bnx2x_port_stats_stop(struct bnx2x *bp)
1302 {
1303 	struct dmae_command *dmae;
1304 	u32 opcode;
1305 	int loader_idx = PMF_DMAE_C(bp);
1306 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1307 
1308 	bp->executer_idx = 0;
1309 
1310 	opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC, false, 0);
1311 
1312 	if (bp->port.port_stx) {
1313 
1314 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1315 		if (bp->func_stx)
1316 			dmae->opcode = bnx2x_dmae_opcode_add_comp(
1317 						opcode, DMAE_COMP_GRC);
1318 		else
1319 			dmae->opcode = bnx2x_dmae_opcode_add_comp(
1320 						opcode, DMAE_COMP_PCI);
1321 
1322 		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1323 		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1324 		dmae->dst_addr_lo = bp->port.port_stx >> 2;
1325 		dmae->dst_addr_hi = 0;
1326 		dmae->len = bnx2x_get_port_stats_dma_len(bp);
1327 		if (bp->func_stx) {
1328 			dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2;
1329 			dmae->comp_addr_hi = 0;
1330 			dmae->comp_val = 1;
1331 		} else {
1332 			dmae->comp_addr_lo =
1333 				U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1334 			dmae->comp_addr_hi =
1335 				U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1336 			dmae->comp_val = DMAE_COMP_VAL;
1337 
1338 			*stats_comp = 0;
1339 		}
1340 	}
1341 
1342 	if (bp->func_stx) {
1343 
1344 		dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1345 		dmae->opcode =
1346 			bnx2x_dmae_opcode_add_comp(opcode, DMAE_COMP_PCI);
1347 		dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats));
1348 		dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats));
1349 		dmae->dst_addr_lo = bp->func_stx >> 2;
1350 		dmae->dst_addr_hi = 0;
1351 		dmae->len = sizeof(struct host_func_stats) >> 2;
1352 		dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1353 		dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1354 		dmae->comp_val = DMAE_COMP_VAL;
1355 
1356 		*stats_comp = 0;
1357 	}
1358 }
1359 
1360 static void bnx2x_stats_stop(struct bnx2x *bp)
1361 {
1362 	int update = 0;
1363 
1364 	if (down_timeout(&bp->stats_sema, HZ/10))
1365 		BNX2X_ERR("Unable to acquire stats lock\n");
1366 
1367 	bp->stats_started = false;
1368 
1369 	bnx2x_stats_comp(bp);
1370 
1371 	if (bp->port.pmf)
1372 		update = (bnx2x_hw_stats_update(bp) == 0);
1373 
1374 	update |= (bnx2x_storm_stats_update(bp) == 0);
1375 
1376 	if (update) {
1377 		bnx2x_net_stats_update(bp);
1378 
1379 		if (bp->port.pmf)
1380 			bnx2x_port_stats_stop(bp);
1381 
1382 		bnx2x_hw_stats_post(bp);
1383 		bnx2x_stats_comp(bp);
1384 	}
1385 
1386 	up(&bp->stats_sema);
1387 }
1388 
1389 static void bnx2x_stats_do_nothing(struct bnx2x *bp)
1390 {
1391 }
1392 
1393 static const struct {
1394 	void (*action)(struct bnx2x *bp);
1395 	enum bnx2x_stats_state next_state;
1396 } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = {
1397 /* state	event	*/
1398 {
1399 /* DISABLED	PMF	*/ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED},
1400 /*		LINK_UP	*/ {bnx2x_stats_start,      STATS_STATE_ENABLED},
1401 /*		UPDATE	*/ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED},
1402 /*		STOP	*/ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}
1403 },
1404 {
1405 /* ENABLED	PMF	*/ {bnx2x_stats_pmf_start,  STATS_STATE_ENABLED},
1406 /*		LINK_UP	*/ {bnx2x_stats_restart,    STATS_STATE_ENABLED},
1407 /*		UPDATE	*/ {bnx2x_stats_update,     STATS_STATE_ENABLED},
1408 /*		STOP	*/ {bnx2x_stats_stop,       STATS_STATE_DISABLED}
1409 }
1410 };
1411 
1412 void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event)
1413 {
1414 	enum bnx2x_stats_state state;
1415 	void (*action)(struct bnx2x *bp);
1416 	if (unlikely(bp->panic))
1417 		return;
1418 
1419 	spin_lock_bh(&bp->stats_lock);
1420 	state = bp->stats_state;
1421 	bp->stats_state = bnx2x_stats_stm[state][event].next_state;
1422 	action = bnx2x_stats_stm[state][event].action;
1423 	spin_unlock_bh(&bp->stats_lock);
1424 
1425 	action(bp);
1426 
1427 	if ((event != STATS_EVENT_UPDATE) || netif_msg_timer(bp))
1428 		DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n",
1429 		   state, event, bp->stats_state);
1430 }
1431 
1432 static void bnx2x_port_stats_base_init(struct bnx2x *bp)
1433 {
1434 	struct dmae_command *dmae;
1435 	u32 *stats_comp = bnx2x_sp(bp, stats_comp);
1436 
1437 	/* sanity */
1438 	if (!bp->port.pmf || !bp->port.port_stx) {
1439 		BNX2X_ERR("BUG!\n");
1440 		return;
1441 	}
1442 
1443 	bp->executer_idx = 0;
1444 
1445 	dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]);
1446 	dmae->opcode = bnx2x_dmae_opcode(bp, DMAE_SRC_PCI, DMAE_DST_GRC,
1447 					 true, DMAE_COMP_PCI);
1448 	dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats));
1449 	dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats));
1450 	dmae->dst_addr_lo = bp->port.port_stx >> 2;
1451 	dmae->dst_addr_hi = 0;
1452 	dmae->len = bnx2x_get_port_stats_dma_len(bp);
1453 	dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp));
1454 	dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp));
1455 	dmae->comp_val = DMAE_COMP_VAL;
1456 
1457 	*stats_comp = 0;
1458 	bnx2x_hw_stats_post(bp);
1459 	bnx2x_stats_comp(bp);
1460 }
1461 
1462 /* This function will prepare the statistics ramrod data the way
1463  * we will only have to increment the statistics counter and
1464  * send the ramrod each time we have to.
1465  */
1466 static void bnx2x_prep_fw_stats_req(struct bnx2x *bp)
1467 {
1468 	int i;
1469 	int first_queue_query_index;
1470 	struct stats_query_header *stats_hdr = &bp->fw_stats_req->hdr;
1471 
1472 	dma_addr_t cur_data_offset;
1473 	struct stats_query_entry *cur_query_entry;
1474 
1475 	stats_hdr->cmd_num = bp->fw_stats_num;
1476 	stats_hdr->drv_stats_counter = 0;
1477 
1478 	/* storm_counters struct contains the counters of completed
1479 	 * statistics requests per storm which are incremented by FW
1480 	 * each time it completes hadning a statistics ramrod. We will
1481 	 * check these counters in the timer handler and discard a
1482 	 * (statistics) ramrod completion.
1483 	 */
1484 	cur_data_offset = bp->fw_stats_data_mapping +
1485 		offsetof(struct bnx2x_fw_stats_data, storm_counters);
1486 
1487 	stats_hdr->stats_counters_addrs.hi =
1488 		cpu_to_le32(U64_HI(cur_data_offset));
1489 	stats_hdr->stats_counters_addrs.lo =
1490 		cpu_to_le32(U64_LO(cur_data_offset));
1491 
1492 	/* prepare to the first stats ramrod (will be completed with
1493 	 * the counters equal to zero) - init counters to somethig different.
1494 	 */
1495 	memset(&bp->fw_stats_data->storm_counters, 0xff,
1496 	       sizeof(struct stats_counter));
1497 
1498 	/**** Port FW statistics data ****/
1499 	cur_data_offset = bp->fw_stats_data_mapping +
1500 		offsetof(struct bnx2x_fw_stats_data, port);
1501 
1502 	cur_query_entry = &bp->fw_stats_req->query[BNX2X_PORT_QUERY_IDX];
1503 
1504 	cur_query_entry->kind = STATS_TYPE_PORT;
1505 	/* For port query index is a DONT CARE */
1506 	cur_query_entry->index = BP_PORT(bp);
1507 	/* For port query funcID is a DONT CARE */
1508 	cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1509 	cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1510 	cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1511 
1512 	/**** PF FW statistics data ****/
1513 	cur_data_offset = bp->fw_stats_data_mapping +
1514 		offsetof(struct bnx2x_fw_stats_data, pf);
1515 
1516 	cur_query_entry = &bp->fw_stats_req->query[BNX2X_PF_QUERY_IDX];
1517 
1518 	cur_query_entry->kind = STATS_TYPE_PF;
1519 	/* For PF query index is a DONT CARE */
1520 	cur_query_entry->index = BP_PORT(bp);
1521 	cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1522 	cur_query_entry->address.hi = cpu_to_le32(U64_HI(cur_data_offset));
1523 	cur_query_entry->address.lo = cpu_to_le32(U64_LO(cur_data_offset));
1524 
1525 	/**** FCoE FW statistics data ****/
1526 	if (!NO_FCOE(bp)) {
1527 		cur_data_offset = bp->fw_stats_data_mapping +
1528 			offsetof(struct bnx2x_fw_stats_data, fcoe);
1529 
1530 		cur_query_entry =
1531 			&bp->fw_stats_req->query[BNX2X_FCOE_QUERY_IDX];
1532 
1533 		cur_query_entry->kind = STATS_TYPE_FCOE;
1534 		/* For FCoE query index is a DONT CARE */
1535 		cur_query_entry->index = BP_PORT(bp);
1536 		cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1537 		cur_query_entry->address.hi =
1538 			cpu_to_le32(U64_HI(cur_data_offset));
1539 		cur_query_entry->address.lo =
1540 			cpu_to_le32(U64_LO(cur_data_offset));
1541 	}
1542 
1543 	/**** Clients' queries ****/
1544 	cur_data_offset = bp->fw_stats_data_mapping +
1545 		offsetof(struct bnx2x_fw_stats_data, queue_stats);
1546 
1547 	/* first queue query index depends whether FCoE offloaded request will
1548 	 * be included in the ramrod
1549 	 */
1550 	if (!NO_FCOE(bp))
1551 		first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX;
1552 	else
1553 		first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - 1;
1554 
1555 	for_each_eth_queue(bp, i) {
1556 		cur_query_entry =
1557 			&bp->fw_stats_req->
1558 					query[first_queue_query_index + i];
1559 
1560 		cur_query_entry->kind = STATS_TYPE_QUEUE;
1561 		cur_query_entry->index = bnx2x_stats_id(&bp->fp[i]);
1562 		cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1563 		cur_query_entry->address.hi =
1564 			cpu_to_le32(U64_HI(cur_data_offset));
1565 		cur_query_entry->address.lo =
1566 			cpu_to_le32(U64_LO(cur_data_offset));
1567 
1568 		cur_data_offset += sizeof(struct per_queue_stats);
1569 	}
1570 
1571 	/* add FCoE queue query if needed */
1572 	if (!NO_FCOE(bp)) {
1573 		cur_query_entry =
1574 			&bp->fw_stats_req->
1575 					query[first_queue_query_index + i];
1576 
1577 		cur_query_entry->kind = STATS_TYPE_QUEUE;
1578 		cur_query_entry->index = bnx2x_stats_id(&bp->fp[FCOE_IDX(bp)]);
1579 		cur_query_entry->funcID = cpu_to_le16(BP_FUNC(bp));
1580 		cur_query_entry->address.hi =
1581 			cpu_to_le32(U64_HI(cur_data_offset));
1582 		cur_query_entry->address.lo =
1583 			cpu_to_le32(U64_LO(cur_data_offset));
1584 	}
1585 }
1586 
1587 void bnx2x_memset_stats(struct bnx2x *bp)
1588 {
1589 	int i;
1590 
1591 	/* function stats */
1592 	for_each_queue(bp, i) {
1593 		struct bnx2x_fp_stats *fp_stats = &bp->fp_stats[i];
1594 
1595 		memset(&fp_stats->old_tclient, 0,
1596 		       sizeof(fp_stats->old_tclient));
1597 		memset(&fp_stats->old_uclient, 0,
1598 		       sizeof(fp_stats->old_uclient));
1599 		memset(&fp_stats->old_xclient, 0,
1600 		       sizeof(fp_stats->old_xclient));
1601 		if (bp->stats_init) {
1602 			memset(&fp_stats->eth_q_stats, 0,
1603 			       sizeof(fp_stats->eth_q_stats));
1604 			memset(&fp_stats->eth_q_stats_old, 0,
1605 			       sizeof(fp_stats->eth_q_stats_old));
1606 		}
1607 	}
1608 
1609 	memset(&bp->dev->stats, 0, sizeof(bp->dev->stats));
1610 
1611 	if (bp->stats_init) {
1612 		memset(&bp->net_stats_old, 0, sizeof(bp->net_stats_old));
1613 		memset(&bp->fw_stats_old, 0, sizeof(bp->fw_stats_old));
1614 		memset(&bp->eth_stats_old, 0, sizeof(bp->eth_stats_old));
1615 		memset(&bp->eth_stats, 0, sizeof(bp->eth_stats));
1616 		memset(&bp->func_stats, 0, sizeof(bp->func_stats));
1617 	}
1618 
1619 	bp->stats_state = STATS_STATE_DISABLED;
1620 
1621 	if (bp->port.pmf && bp->port.port_stx)
1622 		bnx2x_port_stats_base_init(bp);
1623 
1624 	/* mark the end of statistics initializiation */
1625 	bp->stats_init = false;
1626 }
1627 
1628 void bnx2x_stats_init(struct bnx2x *bp)
1629 {
1630 	int /*abs*/port = BP_PORT(bp);
1631 	int mb_idx = BP_FW_MB_IDX(bp);
1632 
1633 	bp->stats_pending = 0;
1634 	bp->executer_idx = 0;
1635 	bp->stats_counter = 0;
1636 
1637 	/* port and func stats for management */
1638 	if (!BP_NOMCP(bp)) {
1639 		bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx);
1640 		bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param);
1641 
1642 	} else {
1643 		bp->port.port_stx = 0;
1644 		bp->func_stx = 0;
1645 	}
1646 	DP(BNX2X_MSG_STATS, "port_stx 0x%x  func_stx 0x%x\n",
1647 	   bp->port.port_stx, bp->func_stx);
1648 
1649 	/* pmf should retrieve port statistics from SP on a non-init*/
1650 	if (!bp->stats_init && bp->port.pmf && bp->port.port_stx)
1651 		bnx2x_stats_handle(bp, STATS_EVENT_PMF);
1652 
1653 	port = BP_PORT(bp);
1654 	/* port stats */
1655 	memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats));
1656 	bp->port.old_nig_stats.brb_discard =
1657 			REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38);
1658 	bp->port.old_nig_stats.brb_truncate =
1659 			REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38);
1660 	if (!CHIP_IS_E3(bp)) {
1661 		REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50,
1662 			    &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2);
1663 		REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50,
1664 			    &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2);
1665 	}
1666 
1667 	/* Prepare statistics ramrod data */
1668 	bnx2x_prep_fw_stats_req(bp);
1669 
1670 	/* Clean SP from previous statistics */
1671 	if (bp->stats_init) {
1672 		if (bp->func_stx) {
1673 			memset(bnx2x_sp(bp, func_stats), 0,
1674 			       sizeof(struct host_func_stats));
1675 			bnx2x_func_stats_init(bp);
1676 			bnx2x_hw_stats_post(bp);
1677 			bnx2x_stats_comp(bp);
1678 		}
1679 	}
1680 
1681 	bnx2x_memset_stats(bp);
1682 }
1683 
1684 void bnx2x_save_statistics(struct bnx2x *bp)
1685 {
1686 	int i;
1687 	struct net_device_stats *nstats = &bp->dev->stats;
1688 
1689 	/* save queue statistics */
1690 	for_each_eth_queue(bp, i) {
1691 		struct bnx2x_fastpath *fp = &bp->fp[i];
1692 		struct bnx2x_eth_q_stats *qstats =
1693 			&bnx2x_fp_stats(bp, fp)->eth_q_stats;
1694 		struct bnx2x_eth_q_stats_old *qstats_old =
1695 			&bnx2x_fp_stats(bp, fp)->eth_q_stats_old;
1696 
1697 		UPDATE_QSTAT_OLD(total_unicast_bytes_received_hi);
1698 		UPDATE_QSTAT_OLD(total_unicast_bytes_received_lo);
1699 		UPDATE_QSTAT_OLD(total_broadcast_bytes_received_hi);
1700 		UPDATE_QSTAT_OLD(total_broadcast_bytes_received_lo);
1701 		UPDATE_QSTAT_OLD(total_multicast_bytes_received_hi);
1702 		UPDATE_QSTAT_OLD(total_multicast_bytes_received_lo);
1703 		UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_hi);
1704 		UPDATE_QSTAT_OLD(total_unicast_bytes_transmitted_lo);
1705 		UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_hi);
1706 		UPDATE_QSTAT_OLD(total_broadcast_bytes_transmitted_lo);
1707 		UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_hi);
1708 		UPDATE_QSTAT_OLD(total_multicast_bytes_transmitted_lo);
1709 		UPDATE_QSTAT_OLD(total_tpa_bytes_hi);
1710 		UPDATE_QSTAT_OLD(total_tpa_bytes_lo);
1711 	}
1712 
1713 	/* save net_device_stats statistics */
1714 	bp->net_stats_old.rx_dropped = nstats->rx_dropped;
1715 
1716 	/* store port firmware statistics */
1717 	if (bp->port.pmf && IS_MF(bp)) {
1718 		struct bnx2x_eth_stats *estats = &bp->eth_stats;
1719 		struct bnx2x_fw_port_stats_old *fwstats = &bp->fw_stats_old;
1720 		UPDATE_FW_STAT_OLD(mac_filter_discard);
1721 		UPDATE_FW_STAT_OLD(mf_tag_discard);
1722 		UPDATE_FW_STAT_OLD(brb_truncate_discard);
1723 		UPDATE_FW_STAT_OLD(mac_discard);
1724 	}
1725 }
1726 
1727 void bnx2x_afex_collect_stats(struct bnx2x *bp, void *void_afex_stats,
1728 			      u32 stats_type)
1729 {
1730 	int i;
1731 	struct afex_stats *afex_stats = (struct afex_stats *)void_afex_stats;
1732 	struct bnx2x_eth_stats *estats = &bp->eth_stats;
1733 	struct per_queue_stats *fcoe_q_stats =
1734 		&bp->fw_stats_data->queue_stats[FCOE_IDX(bp)];
1735 
1736 	struct tstorm_per_queue_stats *fcoe_q_tstorm_stats =
1737 		&fcoe_q_stats->tstorm_queue_statistics;
1738 
1739 	struct ustorm_per_queue_stats *fcoe_q_ustorm_stats =
1740 		&fcoe_q_stats->ustorm_queue_statistics;
1741 
1742 	struct xstorm_per_queue_stats *fcoe_q_xstorm_stats =
1743 		&fcoe_q_stats->xstorm_queue_statistics;
1744 
1745 	struct fcoe_statistics_params *fw_fcoe_stat =
1746 		&bp->fw_stats_data->fcoe;
1747 
1748 	memset(afex_stats, 0, sizeof(struct afex_stats));
1749 
1750 	for_each_eth_queue(bp, i) {
1751 		struct bnx2x_eth_q_stats *qstats = &bp->fp_stats[i].eth_q_stats;
1752 
1753 		ADD_64(afex_stats->rx_unicast_bytes_hi,
1754 		       qstats->total_unicast_bytes_received_hi,
1755 		       afex_stats->rx_unicast_bytes_lo,
1756 		       qstats->total_unicast_bytes_received_lo);
1757 
1758 		ADD_64(afex_stats->rx_broadcast_bytes_hi,
1759 		       qstats->total_broadcast_bytes_received_hi,
1760 		       afex_stats->rx_broadcast_bytes_lo,
1761 		       qstats->total_broadcast_bytes_received_lo);
1762 
1763 		ADD_64(afex_stats->rx_multicast_bytes_hi,
1764 		       qstats->total_multicast_bytes_received_hi,
1765 		       afex_stats->rx_multicast_bytes_lo,
1766 		       qstats->total_multicast_bytes_received_lo);
1767 
1768 		ADD_64(afex_stats->rx_unicast_frames_hi,
1769 		       qstats->total_unicast_packets_received_hi,
1770 		       afex_stats->rx_unicast_frames_lo,
1771 		       qstats->total_unicast_packets_received_lo);
1772 
1773 		ADD_64(afex_stats->rx_broadcast_frames_hi,
1774 		       qstats->total_broadcast_packets_received_hi,
1775 		       afex_stats->rx_broadcast_frames_lo,
1776 		       qstats->total_broadcast_packets_received_lo);
1777 
1778 		ADD_64(afex_stats->rx_multicast_frames_hi,
1779 		       qstats->total_multicast_packets_received_hi,
1780 		       afex_stats->rx_multicast_frames_lo,
1781 		       qstats->total_multicast_packets_received_lo);
1782 
1783 		/* sum to rx_frames_discarded all discraded
1784 		 * packets due to size, ttl0 and checksum
1785 		 */
1786 		ADD_64(afex_stats->rx_frames_discarded_hi,
1787 		       qstats->total_packets_received_checksum_discarded_hi,
1788 		       afex_stats->rx_frames_discarded_lo,
1789 		       qstats->total_packets_received_checksum_discarded_lo);
1790 
1791 		ADD_64(afex_stats->rx_frames_discarded_hi,
1792 		       qstats->total_packets_received_ttl0_discarded_hi,
1793 		       afex_stats->rx_frames_discarded_lo,
1794 		       qstats->total_packets_received_ttl0_discarded_lo);
1795 
1796 		ADD_64(afex_stats->rx_frames_discarded_hi,
1797 		       qstats->etherstatsoverrsizepkts_hi,
1798 		       afex_stats->rx_frames_discarded_lo,
1799 		       qstats->etherstatsoverrsizepkts_lo);
1800 
1801 		ADD_64(afex_stats->rx_frames_dropped_hi,
1802 		       qstats->no_buff_discard_hi,
1803 		       afex_stats->rx_frames_dropped_lo,
1804 		       qstats->no_buff_discard_lo);
1805 
1806 		ADD_64(afex_stats->tx_unicast_bytes_hi,
1807 		       qstats->total_unicast_bytes_transmitted_hi,
1808 		       afex_stats->tx_unicast_bytes_lo,
1809 		       qstats->total_unicast_bytes_transmitted_lo);
1810 
1811 		ADD_64(afex_stats->tx_broadcast_bytes_hi,
1812 		       qstats->total_broadcast_bytes_transmitted_hi,
1813 		       afex_stats->tx_broadcast_bytes_lo,
1814 		       qstats->total_broadcast_bytes_transmitted_lo);
1815 
1816 		ADD_64(afex_stats->tx_multicast_bytes_hi,
1817 		       qstats->total_multicast_bytes_transmitted_hi,
1818 		       afex_stats->tx_multicast_bytes_lo,
1819 		       qstats->total_multicast_bytes_transmitted_lo);
1820 
1821 		ADD_64(afex_stats->tx_unicast_frames_hi,
1822 		       qstats->total_unicast_packets_transmitted_hi,
1823 		       afex_stats->tx_unicast_frames_lo,
1824 		       qstats->total_unicast_packets_transmitted_lo);
1825 
1826 		ADD_64(afex_stats->tx_broadcast_frames_hi,
1827 		       qstats->total_broadcast_packets_transmitted_hi,
1828 		       afex_stats->tx_broadcast_frames_lo,
1829 		       qstats->total_broadcast_packets_transmitted_lo);
1830 
1831 		ADD_64(afex_stats->tx_multicast_frames_hi,
1832 		       qstats->total_multicast_packets_transmitted_hi,
1833 		       afex_stats->tx_multicast_frames_lo,
1834 		       qstats->total_multicast_packets_transmitted_lo);
1835 
1836 		ADD_64(afex_stats->tx_frames_dropped_hi,
1837 		       qstats->total_transmitted_dropped_packets_error_hi,
1838 		       afex_stats->tx_frames_dropped_lo,
1839 		       qstats->total_transmitted_dropped_packets_error_lo);
1840 	}
1841 
1842 	/* now add FCoE statistics which are collected separately
1843 	 * (both offloaded and non offloaded)
1844 	 */
1845 	if (!NO_FCOE(bp)) {
1846 		ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1847 			  LE32_0,
1848 			  afex_stats->rx_unicast_bytes_lo,
1849 			  fw_fcoe_stat->rx_stat0.fcoe_rx_byte_cnt);
1850 
1851 		ADD_64_LE(afex_stats->rx_unicast_bytes_hi,
1852 			  fcoe_q_tstorm_stats->rcv_ucast_bytes.hi,
1853 			  afex_stats->rx_unicast_bytes_lo,
1854 			  fcoe_q_tstorm_stats->rcv_ucast_bytes.lo);
1855 
1856 		ADD_64_LE(afex_stats->rx_broadcast_bytes_hi,
1857 			  fcoe_q_tstorm_stats->rcv_bcast_bytes.hi,
1858 			  afex_stats->rx_broadcast_bytes_lo,
1859 			  fcoe_q_tstorm_stats->rcv_bcast_bytes.lo);
1860 
1861 		ADD_64_LE(afex_stats->rx_multicast_bytes_hi,
1862 			  fcoe_q_tstorm_stats->rcv_mcast_bytes.hi,
1863 			  afex_stats->rx_multicast_bytes_lo,
1864 			  fcoe_q_tstorm_stats->rcv_mcast_bytes.lo);
1865 
1866 		ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1867 			  LE32_0,
1868 			  afex_stats->rx_unicast_frames_lo,
1869 			  fw_fcoe_stat->rx_stat0.fcoe_rx_pkt_cnt);
1870 
1871 		ADD_64_LE(afex_stats->rx_unicast_frames_hi,
1872 			  LE32_0,
1873 			  afex_stats->rx_unicast_frames_lo,
1874 			  fcoe_q_tstorm_stats->rcv_ucast_pkts);
1875 
1876 		ADD_64_LE(afex_stats->rx_broadcast_frames_hi,
1877 			  LE32_0,
1878 			  afex_stats->rx_broadcast_frames_lo,
1879 			  fcoe_q_tstorm_stats->rcv_bcast_pkts);
1880 
1881 		ADD_64_LE(afex_stats->rx_multicast_frames_hi,
1882 			  LE32_0,
1883 			  afex_stats->rx_multicast_frames_lo,
1884 			  fcoe_q_tstorm_stats->rcv_ucast_pkts);
1885 
1886 		ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1887 			  LE32_0,
1888 			  afex_stats->rx_frames_discarded_lo,
1889 			  fcoe_q_tstorm_stats->checksum_discard);
1890 
1891 		ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1892 			  LE32_0,
1893 			  afex_stats->rx_frames_discarded_lo,
1894 			  fcoe_q_tstorm_stats->pkts_too_big_discard);
1895 
1896 		ADD_64_LE(afex_stats->rx_frames_discarded_hi,
1897 			  LE32_0,
1898 			  afex_stats->rx_frames_discarded_lo,
1899 			  fcoe_q_tstorm_stats->ttl0_discard);
1900 
1901 		ADD_64_LE16(afex_stats->rx_frames_dropped_hi,
1902 			    LE16_0,
1903 			    afex_stats->rx_frames_dropped_lo,
1904 			    fcoe_q_tstorm_stats->no_buff_discard);
1905 
1906 		ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1907 			  LE32_0,
1908 			  afex_stats->rx_frames_dropped_lo,
1909 			  fcoe_q_ustorm_stats->ucast_no_buff_pkts);
1910 
1911 		ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1912 			  LE32_0,
1913 			  afex_stats->rx_frames_dropped_lo,
1914 			  fcoe_q_ustorm_stats->mcast_no_buff_pkts);
1915 
1916 		ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1917 			  LE32_0,
1918 			  afex_stats->rx_frames_dropped_lo,
1919 			  fcoe_q_ustorm_stats->bcast_no_buff_pkts);
1920 
1921 		ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1922 			  LE32_0,
1923 			  afex_stats->rx_frames_dropped_lo,
1924 			  fw_fcoe_stat->rx_stat1.fcoe_rx_drop_pkt_cnt);
1925 
1926 		ADD_64_LE(afex_stats->rx_frames_dropped_hi,
1927 			  LE32_0,
1928 			  afex_stats->rx_frames_dropped_lo,
1929 			  fw_fcoe_stat->rx_stat2.fcoe_rx_drop_pkt_cnt);
1930 
1931 		ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1932 			  LE32_0,
1933 			  afex_stats->tx_unicast_bytes_lo,
1934 			  fw_fcoe_stat->tx_stat.fcoe_tx_byte_cnt);
1935 
1936 		ADD_64_LE(afex_stats->tx_unicast_bytes_hi,
1937 			  fcoe_q_xstorm_stats->ucast_bytes_sent.hi,
1938 			  afex_stats->tx_unicast_bytes_lo,
1939 			  fcoe_q_xstorm_stats->ucast_bytes_sent.lo);
1940 
1941 		ADD_64_LE(afex_stats->tx_broadcast_bytes_hi,
1942 			  fcoe_q_xstorm_stats->bcast_bytes_sent.hi,
1943 			  afex_stats->tx_broadcast_bytes_lo,
1944 			  fcoe_q_xstorm_stats->bcast_bytes_sent.lo);
1945 
1946 		ADD_64_LE(afex_stats->tx_multicast_bytes_hi,
1947 			  fcoe_q_xstorm_stats->mcast_bytes_sent.hi,
1948 			  afex_stats->tx_multicast_bytes_lo,
1949 			  fcoe_q_xstorm_stats->mcast_bytes_sent.lo);
1950 
1951 		ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1952 			  LE32_0,
1953 			  afex_stats->tx_unicast_frames_lo,
1954 			  fw_fcoe_stat->tx_stat.fcoe_tx_pkt_cnt);
1955 
1956 		ADD_64_LE(afex_stats->tx_unicast_frames_hi,
1957 			  LE32_0,
1958 			  afex_stats->tx_unicast_frames_lo,
1959 			  fcoe_q_xstorm_stats->ucast_pkts_sent);
1960 
1961 		ADD_64_LE(afex_stats->tx_broadcast_frames_hi,
1962 			  LE32_0,
1963 			  afex_stats->tx_broadcast_frames_lo,
1964 			  fcoe_q_xstorm_stats->bcast_pkts_sent);
1965 
1966 		ADD_64_LE(afex_stats->tx_multicast_frames_hi,
1967 			  LE32_0,
1968 			  afex_stats->tx_multicast_frames_lo,
1969 			  fcoe_q_xstorm_stats->mcast_pkts_sent);
1970 
1971 		ADD_64_LE(afex_stats->tx_frames_dropped_hi,
1972 			  LE32_0,
1973 			  afex_stats->tx_frames_dropped_lo,
1974 			  fcoe_q_xstorm_stats->error_drop_pkts);
1975 	}
1976 
1977 	/* if port stats are requested, add them to the PMF
1978 	 * stats, as anyway they will be accumulated by the
1979 	 * MCP before sent to the switch
1980 	 */
1981 	if ((bp->port.pmf) && (stats_type == VICSTATST_UIF_INDEX)) {
1982 		ADD_64(afex_stats->rx_frames_dropped_hi,
1983 		       0,
1984 		       afex_stats->rx_frames_dropped_lo,
1985 		       estats->mac_filter_discard);
1986 		ADD_64(afex_stats->rx_frames_dropped_hi,
1987 		       0,
1988 		       afex_stats->rx_frames_dropped_lo,
1989 		       estats->brb_truncate_discard);
1990 		ADD_64(afex_stats->rx_frames_discarded_hi,
1991 		       0,
1992 		       afex_stats->rx_frames_discarded_lo,
1993 		       estats->mac_discard);
1994 	}
1995 }
1996 
1997 void bnx2x_stats_safe_exec(struct bnx2x *bp,
1998 			   void (func_to_exec)(void *cookie),
1999 			   void *cookie){
2000 	if (down_timeout(&bp->stats_sema, HZ/10))
2001 		BNX2X_ERR("Unable to acquire stats lock\n");
2002 	bnx2x_stats_comp(bp);
2003 	func_to_exec(cookie);
2004 	__bnx2x_stats_start(bp);
2005 	up(&bp->stats_sema);
2006 }
2007