1 /* Broadcom NetXtreme-C/E network driver.
3 * Copyright (c) 2014-2016 Broadcom Corporation
4 * Copyright (c) 2016-2018 Broadcom Limited
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation.
11 #include <linux/module.h>
13 #include <linux/stringify.h>
14 #include <linux/kernel.h>
15 #include <linux/timer.h>
16 #include <linux/errno.h>
17 #include <linux/ioport.h>
18 #include <linux/slab.h>
19 #include <linux/vmalloc.h>
20 #include <linux/interrupt.h>
21 #include <linux/pci.h>
22 #include <linux/netdevice.h>
23 #include <linux/etherdevice.h>
24 #include <linux/skbuff.h>
25 #include <linux/dma-mapping.h>
26 #include <linux/bitops.h>
28 #include <linux/irq.h>
29 #include <linux/delay.h>
30 #include <asm/byteorder.h>
32 #include <linux/time.h>
33 #include <linux/mii.h>
35 #include <linux/if_vlan.h>
36 #include <linux/if_bridge.h>
37 #include <linux/rtc.h>
38 #include <linux/bpf.h>
42 #include <net/checksum.h>
43 #include <net/ip6_checksum.h>
44 #include <net/udp_tunnel.h>
45 #include <linux/workqueue.h>
46 #include <linux/prefetch.h>
47 #include <linux/cache.h>
48 #include <linux/log2.h>
49 #include <linux/aer.h>
50 #include <linux/bitmap.h>
51 #include <linux/cpu_rmap.h>
52 #include <linux/cpumask.h>
53 #include <net/pkt_cls.h>
58 #include "bnxt_sriov.h"
59 #include "bnxt_ethtool.h"
64 #include "bnxt_devlink.h"
65 #include "bnxt_debugfs.h"
67 #define BNXT_TX_TIMEOUT (5 * HZ)
69 static const char version[] =
70 "Broadcom NetXtreme-C/E driver " DRV_MODULE_NAME " v" DRV_MODULE_VERSION "\n";
72 MODULE_LICENSE("GPL");
73 MODULE_DESCRIPTION("Broadcom BCM573xx network driver");
74 MODULE_VERSION(DRV_MODULE_VERSION);
76 #define BNXT_RX_OFFSET (NET_SKB_PAD + NET_IP_ALIGN)
77 #define BNXT_RX_DMA_OFFSET NET_SKB_PAD
78 #define BNXT_RX_COPY_THRESH 256
80 #define BNXT_TX_PUSH_THRESH 164
120 /* indexed by enum above */
121 static const struct {
124 [BCM57301] = { "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet" },
125 [BCM57302] = { "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet" },
126 [BCM57304] = { "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" },
127 [BCM57417_NPAR] = { "Broadcom BCM57417 NetXtreme-E Ethernet Partition" },
128 [BCM58700] = { "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet" },
129 [BCM57311] = { "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet" },
130 [BCM57312] = { "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet" },
131 [BCM57402] = { "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet" },
132 [BCM57404] = { "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet" },
133 [BCM57406] = { "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet" },
134 [BCM57402_NPAR] = { "Broadcom BCM57402 NetXtreme-E Ethernet Partition" },
135 [BCM57407] = { "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet" },
136 [BCM57412] = { "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet" },
137 [BCM57414] = { "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet" },
138 [BCM57416] = { "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet" },
139 [BCM57417] = { "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet" },
140 [BCM57412_NPAR] = { "Broadcom BCM57412 NetXtreme-E Ethernet Partition" },
141 [BCM57314] = { "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet" },
142 [BCM57417_SFP] = { "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet" },
143 [BCM57416_SFP] = { "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet" },
144 [BCM57404_NPAR] = { "Broadcom BCM57404 NetXtreme-E Ethernet Partition" },
145 [BCM57406_NPAR] = { "Broadcom BCM57406 NetXtreme-E Ethernet Partition" },
146 [BCM57407_SFP] = { "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet" },
147 [BCM57407_NPAR] = { "Broadcom BCM57407 NetXtreme-E Ethernet Partition" },
148 [BCM57414_NPAR] = { "Broadcom BCM57414 NetXtreme-E Ethernet Partition" },
149 [BCM57416_NPAR] = { "Broadcom BCM57416 NetXtreme-E Ethernet Partition" },
150 [BCM57452] = { "Broadcom BCM57452 NetXtreme-E 10Gb/25Gb/40Gb/50Gb Ethernet" },
151 [BCM57454] = { "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" },
152 [BCM5745x_NPAR] = { "Broadcom BCM5745x NetXtreme-E Ethernet Partition" },
153 [BCM58802] = { "Broadcom BCM58802 NetXtreme-S 10Gb/25Gb/40Gb/50Gb Ethernet" },
154 [BCM58804] = { "Broadcom BCM58804 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" },
155 [BCM58808] = { "Broadcom BCM58808 NetXtreme-S 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet" },
156 [NETXTREME_E_VF] = { "Broadcom NetXtreme-E Ethernet Virtual Function" },
157 [NETXTREME_C_VF] = { "Broadcom NetXtreme-C Ethernet Virtual Function" },
158 [NETXTREME_S_VF] = { "Broadcom NetXtreme-S Ethernet Virtual Function" },
161 static const struct pci_device_id bnxt_pci_tbl[] = {
162 { PCI_VDEVICE(BROADCOM, 0x1604), .driver_data = BCM5745x_NPAR },
163 { PCI_VDEVICE(BROADCOM, 0x1605), .driver_data = BCM5745x_NPAR },
164 { PCI_VDEVICE(BROADCOM, 0x1614), .driver_data = BCM57454 },
165 { PCI_VDEVICE(BROADCOM, 0x16c0), .driver_data = BCM57417_NPAR },
166 { PCI_VDEVICE(BROADCOM, 0x16c8), .driver_data = BCM57301 },
167 { PCI_VDEVICE(BROADCOM, 0x16c9), .driver_data = BCM57302 },
168 { PCI_VDEVICE(BROADCOM, 0x16ca), .driver_data = BCM57304 },
169 { PCI_VDEVICE(BROADCOM, 0x16cc), .driver_data = BCM57417_NPAR },
170 { PCI_VDEVICE(BROADCOM, 0x16cd), .driver_data = BCM58700 },
171 { PCI_VDEVICE(BROADCOM, 0x16ce), .driver_data = BCM57311 },
172 { PCI_VDEVICE(BROADCOM, 0x16cf), .driver_data = BCM57312 },
173 { PCI_VDEVICE(BROADCOM, 0x16d0), .driver_data = BCM57402 },
174 { PCI_VDEVICE(BROADCOM, 0x16d1), .driver_data = BCM57404 },
175 { PCI_VDEVICE(BROADCOM, 0x16d2), .driver_data = BCM57406 },
176 { PCI_VDEVICE(BROADCOM, 0x16d4), .driver_data = BCM57402_NPAR },
177 { PCI_VDEVICE(BROADCOM, 0x16d5), .driver_data = BCM57407 },
178 { PCI_VDEVICE(BROADCOM, 0x16d6), .driver_data = BCM57412 },
179 { PCI_VDEVICE(BROADCOM, 0x16d7), .driver_data = BCM57414 },
180 { PCI_VDEVICE(BROADCOM, 0x16d8), .driver_data = BCM57416 },
181 { PCI_VDEVICE(BROADCOM, 0x16d9), .driver_data = BCM57417 },
182 { PCI_VDEVICE(BROADCOM, 0x16de), .driver_data = BCM57412_NPAR },
183 { PCI_VDEVICE(BROADCOM, 0x16df), .driver_data = BCM57314 },
184 { PCI_VDEVICE(BROADCOM, 0x16e2), .driver_data = BCM57417_SFP },
185 { PCI_VDEVICE(BROADCOM, 0x16e3), .driver_data = BCM57416_SFP },
186 { PCI_VDEVICE(BROADCOM, 0x16e7), .driver_data = BCM57404_NPAR },
187 { PCI_VDEVICE(BROADCOM, 0x16e8), .driver_data = BCM57406_NPAR },
188 { PCI_VDEVICE(BROADCOM, 0x16e9), .driver_data = BCM57407_SFP },
189 { PCI_VDEVICE(BROADCOM, 0x16ea), .driver_data = BCM57407_NPAR },
190 { PCI_VDEVICE(BROADCOM, 0x16eb), .driver_data = BCM57412_NPAR },
191 { PCI_VDEVICE(BROADCOM, 0x16ec), .driver_data = BCM57414_NPAR },
192 { PCI_VDEVICE(BROADCOM, 0x16ed), .driver_data = BCM57414_NPAR },
193 { PCI_VDEVICE(BROADCOM, 0x16ee), .driver_data = BCM57416_NPAR },
194 { PCI_VDEVICE(BROADCOM, 0x16ef), .driver_data = BCM57416_NPAR },
195 { PCI_VDEVICE(BROADCOM, 0x16f0), .driver_data = BCM58808 },
196 { PCI_VDEVICE(BROADCOM, 0x16f1), .driver_data = BCM57452 },
197 { PCI_VDEVICE(BROADCOM, 0xd802), .driver_data = BCM58802 },
198 { PCI_VDEVICE(BROADCOM, 0xd804), .driver_data = BCM58804 },
199 #ifdef CONFIG_BNXT_SRIOV
200 { PCI_VDEVICE(BROADCOM, 0x1606), .driver_data = NETXTREME_E_VF },
201 { PCI_VDEVICE(BROADCOM, 0x1609), .driver_data = NETXTREME_E_VF },
202 { PCI_VDEVICE(BROADCOM, 0x16c1), .driver_data = NETXTREME_E_VF },
203 { PCI_VDEVICE(BROADCOM, 0x16cb), .driver_data = NETXTREME_C_VF },
204 { PCI_VDEVICE(BROADCOM, 0x16d3), .driver_data = NETXTREME_E_VF },
205 { PCI_VDEVICE(BROADCOM, 0x16dc), .driver_data = NETXTREME_E_VF },
206 { PCI_VDEVICE(BROADCOM, 0x16e1), .driver_data = NETXTREME_C_VF },
207 { PCI_VDEVICE(BROADCOM, 0x16e5), .driver_data = NETXTREME_C_VF },
208 { PCI_VDEVICE(BROADCOM, 0xd800), .driver_data = NETXTREME_S_VF },
213 MODULE_DEVICE_TABLE(pci, bnxt_pci_tbl);
215 static const u16 bnxt_vf_req_snif[] = {
219 HWRM_CFA_L2_FILTER_ALLOC,
222 static const u16 bnxt_async_events_arr[] = {
223 ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE,
224 ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD,
225 ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED,
226 ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE,
227 ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE,
230 static struct workqueue_struct *bnxt_pf_wq;
232 static bool bnxt_vf_pciid(enum board_idx idx)
234 return (idx == NETXTREME_C_VF || idx == NETXTREME_E_VF ||
235 idx == NETXTREME_S_VF);
238 #define DB_CP_REARM_FLAGS (DB_KEY_CP | DB_IDX_VALID)
239 #define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
240 #define DB_CP_IRQ_DIS_FLAGS (DB_KEY_CP | DB_IRQ_DIS)
242 #define BNXT_CP_DB_REARM(db, raw_cons) \
243 writel(DB_CP_REARM_FLAGS | RING_CMP(raw_cons), db)
245 #define BNXT_CP_DB(db, raw_cons) \
246 writel(DB_CP_FLAGS | RING_CMP(raw_cons), db)
248 #define BNXT_CP_DB_IRQ_DIS(db) \
249 writel(DB_CP_IRQ_DIS_FLAGS, db)
251 const u16 bnxt_lhint_arr[] = {
252 TX_BD_FLAGS_LHINT_512_AND_SMALLER,
253 TX_BD_FLAGS_LHINT_512_TO_1023,
254 TX_BD_FLAGS_LHINT_1024_TO_2047,
255 TX_BD_FLAGS_LHINT_1024_TO_2047,
256 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
257 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
258 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
259 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
260 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
261 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
262 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
263 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
264 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
265 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
266 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
267 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
268 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
269 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
270 TX_BD_FLAGS_LHINT_2048_AND_LARGER,
273 static u16 bnxt_xmit_get_cfa_action(struct sk_buff *skb)
275 struct metadata_dst *md_dst = skb_metadata_dst(skb);
277 if (!md_dst || md_dst->type != METADATA_HW_PORT_MUX)
280 return md_dst->u.port_info.port_id;
283 static netdev_tx_t bnxt_start_xmit(struct sk_buff *skb, struct net_device *dev)
285 struct bnxt *bp = netdev_priv(dev);
287 struct tx_bd_ext *txbd1;
288 struct netdev_queue *txq;
291 unsigned int length, pad = 0;
292 u32 len, free_size, vlan_tag_flags, cfa_action, flags;
294 struct pci_dev *pdev = bp->pdev;
295 struct bnxt_tx_ring_info *txr;
296 struct bnxt_sw_tx_bd *tx_buf;
298 i = skb_get_queue_mapping(skb);
299 if (unlikely(i >= bp->tx_nr_rings)) {
300 dev_kfree_skb_any(skb);
304 txq = netdev_get_tx_queue(dev, i);
305 txr = &bp->tx_ring[bp->tx_ring_map[i]];
308 free_size = bnxt_tx_avail(bp, txr);
309 if (unlikely(free_size < skb_shinfo(skb)->nr_frags + 2)) {
310 netif_tx_stop_queue(txq);
311 return NETDEV_TX_BUSY;
315 len = skb_headlen(skb);
316 last_frag = skb_shinfo(skb)->nr_frags;
318 txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
320 txbd->tx_bd_opaque = prod;
322 tx_buf = &txr->tx_buf_ring[prod];
324 tx_buf->nr_frags = last_frag;
327 cfa_action = bnxt_xmit_get_cfa_action(skb);
328 if (skb_vlan_tag_present(skb)) {
329 vlan_tag_flags = TX_BD_CFA_META_KEY_VLAN |
330 skb_vlan_tag_get(skb);
331 /* Currently supports 8021Q, 8021AD vlan offloads
332 * QINQ1, QINQ2, QINQ3 vlan headers are deprecated
334 if (skb->vlan_proto == htons(ETH_P_8021Q))
335 vlan_tag_flags |= 1 << TX_BD_CFA_META_TPID_SHIFT;
338 if (free_size == bp->tx_ring_size && length <= bp->tx_push_thresh) {
339 struct tx_push_buffer *tx_push_buf = txr->tx_push;
340 struct tx_push_bd *tx_push = &tx_push_buf->push_bd;
341 struct tx_bd_ext *tx_push1 = &tx_push->txbd2;
342 void *pdata = tx_push_buf->data;
346 /* Set COAL_NOW to be ready quickly for the next push */
347 tx_push->tx_bd_len_flags_type =
348 cpu_to_le32((length << TX_BD_LEN_SHIFT) |
349 TX_BD_TYPE_LONG_TX_BD |
350 TX_BD_FLAGS_LHINT_512_AND_SMALLER |
351 TX_BD_FLAGS_COAL_NOW |
352 TX_BD_FLAGS_PACKET_END |
353 (2 << TX_BD_FLAGS_BD_CNT_SHIFT));
355 if (skb->ip_summed == CHECKSUM_PARTIAL)
356 tx_push1->tx_bd_hsize_lflags =
357 cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM);
359 tx_push1->tx_bd_hsize_lflags = 0;
361 tx_push1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags);
362 tx_push1->tx_bd_cfa_action =
363 cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT);
365 end = pdata + length;
366 end = PTR_ALIGN(end, 8) - 1;
369 skb_copy_from_linear_data(skb, pdata, len);
371 for (j = 0; j < last_frag; j++) {
372 skb_frag_t *frag = &skb_shinfo(skb)->frags[j];
375 fptr = skb_frag_address_safe(frag);
379 memcpy(pdata, fptr, skb_frag_size(frag));
380 pdata += skb_frag_size(frag);
383 txbd->tx_bd_len_flags_type = tx_push->tx_bd_len_flags_type;
384 txbd->tx_bd_haddr = txr->data_mapping;
385 prod = NEXT_TX(prod);
386 txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
387 memcpy(txbd, tx_push1, sizeof(*txbd));
388 prod = NEXT_TX(prod);
390 cpu_to_le32(DB_KEY_TX_PUSH | DB_LONG_TX_PUSH | prod);
394 netdev_tx_sent_queue(txq, skb->len);
395 wmb(); /* Sync is_push and byte queue before pushing data */
397 push_len = (length + sizeof(*tx_push) + 7) / 8;
399 __iowrite64_copy(txr->tx_doorbell, tx_push_buf, 16);
400 __iowrite32_copy(txr->tx_doorbell + 4, tx_push_buf + 1,
401 (push_len - 16) << 1);
403 __iowrite64_copy(txr->tx_doorbell, tx_push_buf,
411 if (length < BNXT_MIN_PKT_SIZE) {
412 pad = BNXT_MIN_PKT_SIZE - length;
413 if (skb_pad(skb, pad)) {
414 /* SKB already freed. */
418 length = BNXT_MIN_PKT_SIZE;
421 mapping = dma_map_single(&pdev->dev, skb->data, len, DMA_TO_DEVICE);
423 if (unlikely(dma_mapping_error(&pdev->dev, mapping))) {
424 dev_kfree_skb_any(skb);
429 dma_unmap_addr_set(tx_buf, mapping, mapping);
430 flags = (len << TX_BD_LEN_SHIFT) | TX_BD_TYPE_LONG_TX_BD |
431 ((last_frag + 2) << TX_BD_FLAGS_BD_CNT_SHIFT);
433 txbd->tx_bd_haddr = cpu_to_le64(mapping);
435 prod = NEXT_TX(prod);
436 txbd1 = (struct tx_bd_ext *)
437 &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
439 txbd1->tx_bd_hsize_lflags = 0;
440 if (skb_is_gso(skb)) {
443 if (skb->encapsulation)
444 hdr_len = skb_inner_network_offset(skb) +
445 skb_inner_network_header_len(skb) +
446 inner_tcp_hdrlen(skb);
448 hdr_len = skb_transport_offset(skb) +
451 txbd1->tx_bd_hsize_lflags = cpu_to_le32(TX_BD_FLAGS_LSO |
453 (hdr_len << (TX_BD_HSIZE_SHIFT - 1)));
454 length = skb_shinfo(skb)->gso_size;
455 txbd1->tx_bd_mss = cpu_to_le32(length);
457 } else if (skb->ip_summed == CHECKSUM_PARTIAL) {
458 txbd1->tx_bd_hsize_lflags =
459 cpu_to_le32(TX_BD_FLAGS_TCP_UDP_CHKSUM);
460 txbd1->tx_bd_mss = 0;
464 flags |= bnxt_lhint_arr[length];
465 txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
467 txbd1->tx_bd_cfa_meta = cpu_to_le32(vlan_tag_flags);
468 txbd1->tx_bd_cfa_action =
469 cpu_to_le32(cfa_action << TX_BD_CFA_ACTION_SHIFT);
470 for (i = 0; i < last_frag; i++) {
471 skb_frag_t *frag = &skb_shinfo(skb)->frags[i];
473 prod = NEXT_TX(prod);
474 txbd = &txr->tx_desc_ring[TX_RING(prod)][TX_IDX(prod)];
476 len = skb_frag_size(frag);
477 mapping = skb_frag_dma_map(&pdev->dev, frag, 0, len,
480 if (unlikely(dma_mapping_error(&pdev->dev, mapping)))
483 tx_buf = &txr->tx_buf_ring[prod];
484 dma_unmap_addr_set(tx_buf, mapping, mapping);
486 txbd->tx_bd_haddr = cpu_to_le64(mapping);
488 flags = len << TX_BD_LEN_SHIFT;
489 txbd->tx_bd_len_flags_type = cpu_to_le32(flags);
493 txbd->tx_bd_len_flags_type =
494 cpu_to_le32(((len + pad) << TX_BD_LEN_SHIFT) | flags |
495 TX_BD_FLAGS_PACKET_END);
497 netdev_tx_sent_queue(txq, skb->len);
499 /* Sync BD data before updating doorbell */
502 prod = NEXT_TX(prod);
505 if (!skb->xmit_more || netif_xmit_stopped(txq))
506 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);
512 if (unlikely(bnxt_tx_avail(bp, txr) <= MAX_SKB_FRAGS + 1)) {
513 if (skb->xmit_more && !tx_buf->is_push)
514 bnxt_db_write(bp, txr->tx_doorbell, DB_KEY_TX | prod);
516 netif_tx_stop_queue(txq);
518 /* netif_tx_stop_queue() must be done before checking
519 * tx index in bnxt_tx_avail() below, because in
520 * bnxt_tx_int(), we update tx index before checking for
521 * netif_tx_queue_stopped().
524 if (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh)
525 netif_tx_wake_queue(txq);
532 /* start back at beginning and unmap skb */
534 tx_buf = &txr->tx_buf_ring[prod];
536 dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
537 skb_headlen(skb), PCI_DMA_TODEVICE);
538 prod = NEXT_TX(prod);
540 /* unmap remaining mapped pages */
541 for (i = 0; i < last_frag; i++) {
542 prod = NEXT_TX(prod);
543 tx_buf = &txr->tx_buf_ring[prod];
544 dma_unmap_page(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
545 skb_frag_size(&skb_shinfo(skb)->frags[i]),
549 dev_kfree_skb_any(skb);
553 static void bnxt_tx_int(struct bnxt *bp, struct bnxt_napi *bnapi, int nr_pkts)
555 struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
556 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txr->txq_index);
557 u16 cons = txr->tx_cons;
558 struct pci_dev *pdev = bp->pdev;
560 unsigned int tx_bytes = 0;
562 for (i = 0; i < nr_pkts; i++) {
563 struct bnxt_sw_tx_bd *tx_buf;
567 tx_buf = &txr->tx_buf_ring[cons];
568 cons = NEXT_TX(cons);
572 if (tx_buf->is_push) {
577 dma_unmap_single(&pdev->dev, dma_unmap_addr(tx_buf, mapping),
578 skb_headlen(skb), PCI_DMA_TODEVICE);
579 last = tx_buf->nr_frags;
581 for (j = 0; j < last; j++) {
582 cons = NEXT_TX(cons);
583 tx_buf = &txr->tx_buf_ring[cons];
586 dma_unmap_addr(tx_buf, mapping),
587 skb_frag_size(&skb_shinfo(skb)->frags[j]),
592 cons = NEXT_TX(cons);
594 tx_bytes += skb->len;
595 dev_kfree_skb_any(skb);
598 netdev_tx_completed_queue(txq, nr_pkts, tx_bytes);
601 /* Need to make the tx_cons update visible to bnxt_start_xmit()
602 * before checking for netif_tx_queue_stopped(). Without the
603 * memory barrier, there is a small possibility that bnxt_start_xmit()
604 * will miss it and cause the queue to be stopped forever.
608 if (unlikely(netif_tx_queue_stopped(txq)) &&
609 (bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh)) {
610 __netif_tx_lock(txq, smp_processor_id());
611 if (netif_tx_queue_stopped(txq) &&
612 bnxt_tx_avail(bp, txr) > bp->tx_wake_thresh &&
613 txr->dev_state != BNXT_DEV_STATE_CLOSING)
614 netif_tx_wake_queue(txq);
615 __netif_tx_unlock(txq);
619 static struct page *__bnxt_alloc_rx_page(struct bnxt *bp, dma_addr_t *mapping,
622 struct device *dev = &bp->pdev->dev;
625 page = alloc_page(gfp);
629 *mapping = dma_map_page_attrs(dev, page, 0, PAGE_SIZE, bp->rx_dir,
630 DMA_ATTR_WEAK_ORDERING);
631 if (dma_mapping_error(dev, *mapping)) {
635 *mapping += bp->rx_dma_offset;
639 static inline u8 *__bnxt_alloc_rx_data(struct bnxt *bp, dma_addr_t *mapping,
643 struct pci_dev *pdev = bp->pdev;
645 data = kmalloc(bp->rx_buf_size, gfp);
649 *mapping = dma_map_single_attrs(&pdev->dev, data + bp->rx_dma_offset,
650 bp->rx_buf_use_size, bp->rx_dir,
651 DMA_ATTR_WEAK_ORDERING);
653 if (dma_mapping_error(&pdev->dev, *mapping)) {
660 int bnxt_alloc_rx_data(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
663 struct rx_bd *rxbd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
664 struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[prod];
667 if (BNXT_RX_PAGE_MODE(bp)) {
668 struct page *page = __bnxt_alloc_rx_page(bp, &mapping, gfp);
674 rx_buf->data_ptr = page_address(page) + bp->rx_offset;
676 u8 *data = __bnxt_alloc_rx_data(bp, &mapping, gfp);
682 rx_buf->data_ptr = data + bp->rx_offset;
684 rx_buf->mapping = mapping;
686 rxbd->rx_bd_haddr = cpu_to_le64(mapping);
690 void bnxt_reuse_rx_data(struct bnxt_rx_ring_info *rxr, u16 cons, void *data)
692 u16 prod = rxr->rx_prod;
693 struct bnxt_sw_rx_bd *cons_rx_buf, *prod_rx_buf;
694 struct rx_bd *cons_bd, *prod_bd;
696 prod_rx_buf = &rxr->rx_buf_ring[prod];
697 cons_rx_buf = &rxr->rx_buf_ring[cons];
699 prod_rx_buf->data = data;
700 prod_rx_buf->data_ptr = cons_rx_buf->data_ptr;
702 prod_rx_buf->mapping = cons_rx_buf->mapping;
704 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
705 cons_bd = &rxr->rx_desc_ring[RX_RING(cons)][RX_IDX(cons)];
707 prod_bd->rx_bd_haddr = cons_bd->rx_bd_haddr;
710 static inline u16 bnxt_find_next_agg_idx(struct bnxt_rx_ring_info *rxr, u16 idx)
712 u16 next, max = rxr->rx_agg_bmap_size;
714 next = find_next_zero_bit(rxr->rx_agg_bmap, max, idx);
716 next = find_first_zero_bit(rxr->rx_agg_bmap, max);
720 static inline int bnxt_alloc_rx_page(struct bnxt *bp,
721 struct bnxt_rx_ring_info *rxr,
725 &rxr->rx_agg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
726 struct bnxt_sw_rx_agg_bd *rx_agg_buf;
727 struct pci_dev *pdev = bp->pdev;
730 u16 sw_prod = rxr->rx_sw_agg_prod;
731 unsigned int offset = 0;
733 if (PAGE_SIZE > BNXT_RX_PAGE_SIZE) {
736 page = alloc_page(gfp);
740 rxr->rx_page_offset = 0;
742 offset = rxr->rx_page_offset;
743 rxr->rx_page_offset += BNXT_RX_PAGE_SIZE;
744 if (rxr->rx_page_offset == PAGE_SIZE)
749 page = alloc_page(gfp);
754 mapping = dma_map_page_attrs(&pdev->dev, page, offset,
755 BNXT_RX_PAGE_SIZE, PCI_DMA_FROMDEVICE,
756 DMA_ATTR_WEAK_ORDERING);
757 if (dma_mapping_error(&pdev->dev, mapping)) {
762 if (unlikely(test_bit(sw_prod, rxr->rx_agg_bmap)))
763 sw_prod = bnxt_find_next_agg_idx(rxr, sw_prod);
765 __set_bit(sw_prod, rxr->rx_agg_bmap);
766 rx_agg_buf = &rxr->rx_agg_ring[sw_prod];
767 rxr->rx_sw_agg_prod = NEXT_RX_AGG(sw_prod);
769 rx_agg_buf->page = page;
770 rx_agg_buf->offset = offset;
771 rx_agg_buf->mapping = mapping;
772 rxbd->rx_bd_haddr = cpu_to_le64(mapping);
773 rxbd->rx_bd_opaque = sw_prod;
777 static void bnxt_reuse_rx_agg_bufs(struct bnxt_napi *bnapi, u16 cp_cons,
780 struct bnxt *bp = bnapi->bp;
781 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
782 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
783 u16 prod = rxr->rx_agg_prod;
784 u16 sw_prod = rxr->rx_sw_agg_prod;
787 for (i = 0; i < agg_bufs; i++) {
789 struct rx_agg_cmp *agg;
790 struct bnxt_sw_rx_agg_bd *cons_rx_buf, *prod_rx_buf;
791 struct rx_bd *prod_bd;
794 agg = (struct rx_agg_cmp *)
795 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
796 cons = agg->rx_agg_cmp_opaque;
797 __clear_bit(cons, rxr->rx_agg_bmap);
799 if (unlikely(test_bit(sw_prod, rxr->rx_agg_bmap)))
800 sw_prod = bnxt_find_next_agg_idx(rxr, sw_prod);
802 __set_bit(sw_prod, rxr->rx_agg_bmap);
803 prod_rx_buf = &rxr->rx_agg_ring[sw_prod];
804 cons_rx_buf = &rxr->rx_agg_ring[cons];
806 /* It is possible for sw_prod to be equal to cons, so
807 * set cons_rx_buf->page to NULL first.
809 page = cons_rx_buf->page;
810 cons_rx_buf->page = NULL;
811 prod_rx_buf->page = page;
812 prod_rx_buf->offset = cons_rx_buf->offset;
814 prod_rx_buf->mapping = cons_rx_buf->mapping;
816 prod_bd = &rxr->rx_agg_desc_ring[RX_RING(prod)][RX_IDX(prod)];
818 prod_bd->rx_bd_haddr = cpu_to_le64(cons_rx_buf->mapping);
819 prod_bd->rx_bd_opaque = sw_prod;
821 prod = NEXT_RX_AGG(prod);
822 sw_prod = NEXT_RX_AGG(sw_prod);
823 cp_cons = NEXT_CMP(cp_cons);
825 rxr->rx_agg_prod = prod;
826 rxr->rx_sw_agg_prod = sw_prod;
829 static struct sk_buff *bnxt_rx_page_skb(struct bnxt *bp,
830 struct bnxt_rx_ring_info *rxr,
831 u16 cons, void *data, u8 *data_ptr,
833 unsigned int offset_and_len)
835 unsigned int payload = offset_and_len >> 16;
836 unsigned int len = offset_and_len & 0xffff;
837 struct skb_frag_struct *frag;
838 struct page *page = data;
839 u16 prod = rxr->rx_prod;
843 err = bnxt_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
845 bnxt_reuse_rx_data(rxr, cons, data);
848 dma_addr -= bp->rx_dma_offset;
849 dma_unmap_page_attrs(&bp->pdev->dev, dma_addr, PAGE_SIZE, bp->rx_dir,
850 DMA_ATTR_WEAK_ORDERING);
852 if (unlikely(!payload))
853 payload = eth_get_headlen(data_ptr, len);
855 skb = napi_alloc_skb(&rxr->bnapi->napi, payload);
861 off = (void *)data_ptr - page_address(page);
862 skb_add_rx_frag(skb, 0, page, off, len, PAGE_SIZE);
863 memcpy(skb->data - NET_IP_ALIGN, data_ptr - NET_IP_ALIGN,
864 payload + NET_IP_ALIGN);
866 frag = &skb_shinfo(skb)->frags[0];
867 skb_frag_size_sub(frag, payload);
868 frag->page_offset += payload;
869 skb->data_len -= payload;
870 skb->tail += payload;
875 static struct sk_buff *bnxt_rx_skb(struct bnxt *bp,
876 struct bnxt_rx_ring_info *rxr, u16 cons,
877 void *data, u8 *data_ptr,
879 unsigned int offset_and_len)
881 u16 prod = rxr->rx_prod;
885 err = bnxt_alloc_rx_data(bp, rxr, prod, GFP_ATOMIC);
887 bnxt_reuse_rx_data(rxr, cons, data);
891 skb = build_skb(data, 0);
892 dma_unmap_single_attrs(&bp->pdev->dev, dma_addr, bp->rx_buf_use_size,
893 bp->rx_dir, DMA_ATTR_WEAK_ORDERING);
899 skb_reserve(skb, bp->rx_offset);
900 skb_put(skb, offset_and_len & 0xffff);
904 static struct sk_buff *bnxt_rx_pages(struct bnxt *bp, struct bnxt_napi *bnapi,
905 struct sk_buff *skb, u16 cp_cons,
908 struct pci_dev *pdev = bp->pdev;
909 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
910 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
911 u16 prod = rxr->rx_agg_prod;
914 for (i = 0; i < agg_bufs; i++) {
916 struct rx_agg_cmp *agg;
917 struct bnxt_sw_rx_agg_bd *cons_rx_buf;
921 agg = (struct rx_agg_cmp *)
922 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
923 cons = agg->rx_agg_cmp_opaque;
924 frag_len = (le32_to_cpu(agg->rx_agg_cmp_len_flags_type) &
925 RX_AGG_CMP_LEN) >> RX_AGG_CMP_LEN_SHIFT;
927 cons_rx_buf = &rxr->rx_agg_ring[cons];
928 skb_fill_page_desc(skb, i, cons_rx_buf->page,
929 cons_rx_buf->offset, frag_len);
930 __clear_bit(cons, rxr->rx_agg_bmap);
932 /* It is possible for bnxt_alloc_rx_page() to allocate
933 * a sw_prod index that equals the cons index, so we
934 * need to clear the cons entry now.
936 mapping = cons_rx_buf->mapping;
937 page = cons_rx_buf->page;
938 cons_rx_buf->page = NULL;
940 if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_ATOMIC) != 0) {
941 struct skb_shared_info *shinfo;
942 unsigned int nr_frags;
944 shinfo = skb_shinfo(skb);
945 nr_frags = --shinfo->nr_frags;
946 __skb_frag_set_page(&shinfo->frags[nr_frags], NULL);
950 cons_rx_buf->page = page;
952 /* Update prod since possibly some pages have been
955 rxr->rx_agg_prod = prod;
956 bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs - i);
960 dma_unmap_page_attrs(&pdev->dev, mapping, BNXT_RX_PAGE_SIZE,
962 DMA_ATTR_WEAK_ORDERING);
964 skb->data_len += frag_len;
965 skb->len += frag_len;
966 skb->truesize += PAGE_SIZE;
968 prod = NEXT_RX_AGG(prod);
969 cp_cons = NEXT_CMP(cp_cons);
971 rxr->rx_agg_prod = prod;
975 static int bnxt_agg_bufs_valid(struct bnxt *bp, struct bnxt_cp_ring_info *cpr,
976 u8 agg_bufs, u32 *raw_cons)
979 struct rx_agg_cmp *agg;
981 *raw_cons = ADV_RAW_CMP(*raw_cons, agg_bufs);
982 last = RING_CMP(*raw_cons);
983 agg = (struct rx_agg_cmp *)
984 &cpr->cp_desc_ring[CP_RING(last)][CP_IDX(last)];
985 return RX_AGG_CMP_VALID(agg, *raw_cons);
988 static inline struct sk_buff *bnxt_copy_skb(struct bnxt_napi *bnapi, u8 *data,
992 struct bnxt *bp = bnapi->bp;
993 struct pci_dev *pdev = bp->pdev;
996 skb = napi_alloc_skb(&bnapi->napi, len);
1000 dma_sync_single_for_cpu(&pdev->dev, mapping, bp->rx_copy_thresh,
1003 memcpy(skb->data - NET_IP_ALIGN, data - NET_IP_ALIGN,
1004 len + NET_IP_ALIGN);
1006 dma_sync_single_for_device(&pdev->dev, mapping, bp->rx_copy_thresh,
1013 static int bnxt_discard_rx(struct bnxt *bp, struct bnxt_napi *bnapi,
1014 u32 *raw_cons, void *cmp)
1016 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1017 struct rx_cmp *rxcmp = cmp;
1018 u32 tmp_raw_cons = *raw_cons;
1019 u8 cmp_type, agg_bufs = 0;
1021 cmp_type = RX_CMP_TYPE(rxcmp);
1023 if (cmp_type == CMP_TYPE_RX_L2_CMP) {
1024 agg_bufs = (le32_to_cpu(rxcmp->rx_cmp_misc_v1) &
1026 RX_CMP_AGG_BUFS_SHIFT;
1027 } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
1028 struct rx_tpa_end_cmp *tpa_end = cmp;
1030 agg_bufs = (le32_to_cpu(tpa_end->rx_tpa_end_cmp_misc_v1) &
1031 RX_TPA_END_CMP_AGG_BUFS) >>
1032 RX_TPA_END_CMP_AGG_BUFS_SHIFT;
1036 if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, &tmp_raw_cons))
1039 *raw_cons = tmp_raw_cons;
1043 static void bnxt_queue_sp_work(struct bnxt *bp)
1046 queue_work(bnxt_pf_wq, &bp->sp_task);
1048 schedule_work(&bp->sp_task);
1051 static void bnxt_cancel_sp_work(struct bnxt *bp)
1054 flush_workqueue(bnxt_pf_wq);
1056 cancel_work_sync(&bp->sp_task);
1059 static void bnxt_sched_reset(struct bnxt *bp, struct bnxt_rx_ring_info *rxr)
1061 if (!rxr->bnapi->in_reset) {
1062 rxr->bnapi->in_reset = true;
1063 set_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event);
1064 bnxt_queue_sp_work(bp);
1066 rxr->rx_next_cons = 0xffff;
1069 static void bnxt_tpa_start(struct bnxt *bp, struct bnxt_rx_ring_info *rxr,
1070 struct rx_tpa_start_cmp *tpa_start,
1071 struct rx_tpa_start_cmp_ext *tpa_start1)
1073 u8 agg_id = TPA_START_AGG_ID(tpa_start);
1075 struct bnxt_tpa_info *tpa_info;
1076 struct bnxt_sw_rx_bd *cons_rx_buf, *prod_rx_buf;
1077 struct rx_bd *prod_bd;
1080 cons = tpa_start->rx_tpa_start_cmp_opaque;
1081 prod = rxr->rx_prod;
1082 cons_rx_buf = &rxr->rx_buf_ring[cons];
1083 prod_rx_buf = &rxr->rx_buf_ring[prod];
1084 tpa_info = &rxr->rx_tpa[agg_id];
1086 if (unlikely(cons != rxr->rx_next_cons)) {
1087 bnxt_sched_reset(bp, rxr);
1090 /* Store cfa_code in tpa_info to use in tpa_end
1091 * completion processing.
1093 tpa_info->cfa_code = TPA_START_CFA_CODE(tpa_start1);
1094 prod_rx_buf->data = tpa_info->data;
1095 prod_rx_buf->data_ptr = tpa_info->data_ptr;
1097 mapping = tpa_info->mapping;
1098 prod_rx_buf->mapping = mapping;
1100 prod_bd = &rxr->rx_desc_ring[RX_RING(prod)][RX_IDX(prod)];
1102 prod_bd->rx_bd_haddr = cpu_to_le64(mapping);
1104 tpa_info->data = cons_rx_buf->data;
1105 tpa_info->data_ptr = cons_rx_buf->data_ptr;
1106 cons_rx_buf->data = NULL;
1107 tpa_info->mapping = cons_rx_buf->mapping;
1110 le32_to_cpu(tpa_start->rx_tpa_start_cmp_len_flags_type) >>
1111 RX_TPA_START_CMP_LEN_SHIFT;
1112 if (likely(TPA_START_HASH_VALID(tpa_start))) {
1113 u32 hash_type = TPA_START_HASH_TYPE(tpa_start);
1115 tpa_info->hash_type = PKT_HASH_TYPE_L4;
1116 tpa_info->gso_type = SKB_GSO_TCPV4;
1117 /* RSS profiles 1 and 3 with extract code 0 for inner 4-tuple */
1119 tpa_info->gso_type = SKB_GSO_TCPV6;
1120 tpa_info->rss_hash =
1121 le32_to_cpu(tpa_start->rx_tpa_start_cmp_rss_hash);
1123 tpa_info->hash_type = PKT_HASH_TYPE_NONE;
1124 tpa_info->gso_type = 0;
1125 if (netif_msg_rx_err(bp))
1126 netdev_warn(bp->dev, "TPA packet without valid hash\n");
1128 tpa_info->flags2 = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_flags2);
1129 tpa_info->metadata = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_metadata);
1130 tpa_info->hdr_info = le32_to_cpu(tpa_start1->rx_tpa_start_cmp_hdr_info);
1132 rxr->rx_prod = NEXT_RX(prod);
1133 cons = NEXT_RX(cons);
1134 rxr->rx_next_cons = NEXT_RX(cons);
1135 cons_rx_buf = &rxr->rx_buf_ring[cons];
1137 bnxt_reuse_rx_data(rxr, cons, cons_rx_buf->data);
1138 rxr->rx_prod = NEXT_RX(rxr->rx_prod);
1139 cons_rx_buf->data = NULL;
1142 static void bnxt_abort_tpa(struct bnxt *bp, struct bnxt_napi *bnapi,
1143 u16 cp_cons, u32 agg_bufs)
1146 bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs);
1149 static struct sk_buff *bnxt_gro_func_5731x(struct bnxt_tpa_info *tpa_info,
1150 int payload_off, int tcp_ts,
1151 struct sk_buff *skb)
1156 u16 outer_ip_off, inner_ip_off, inner_mac_off;
1157 u32 hdr_info = tpa_info->hdr_info;
1158 bool loopback = false;
1160 inner_ip_off = BNXT_TPA_INNER_L3_OFF(hdr_info);
1161 inner_mac_off = BNXT_TPA_INNER_L2_OFF(hdr_info);
1162 outer_ip_off = BNXT_TPA_OUTER_L3_OFF(hdr_info);
1164 /* If the packet is an internal loopback packet, the offsets will
1165 * have an extra 4 bytes.
1167 if (inner_mac_off == 4) {
1169 } else if (inner_mac_off > 4) {
1170 __be16 proto = *((__be16 *)(skb->data + inner_ip_off -
1173 /* We only support inner iPv4/ipv6. If we don't see the
1174 * correct protocol ID, it must be a loopback packet where
1175 * the offsets are off by 4.
1177 if (proto != htons(ETH_P_IP) && proto != htons(ETH_P_IPV6))
1181 /* internal loopback packet, subtract all offsets by 4 */
1187 nw_off = inner_ip_off - ETH_HLEN;
1188 skb_set_network_header(skb, nw_off);
1189 if (tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_IP_TYPE) {
1190 struct ipv6hdr *iph = ipv6_hdr(skb);
1192 skb_set_transport_header(skb, nw_off + sizeof(struct ipv6hdr));
1193 len = skb->len - skb_transport_offset(skb);
1195 th->check = ~tcp_v6_check(len, &iph->saddr, &iph->daddr, 0);
1197 struct iphdr *iph = ip_hdr(skb);
1199 skb_set_transport_header(skb, nw_off + sizeof(struct iphdr));
1200 len = skb->len - skb_transport_offset(skb);
1202 th->check = ~tcp_v4_check(len, iph->saddr, iph->daddr, 0);
1205 if (inner_mac_off) { /* tunnel */
1206 struct udphdr *uh = NULL;
1207 __be16 proto = *((__be16 *)(skb->data + outer_ip_off -
1210 if (proto == htons(ETH_P_IP)) {
1211 struct iphdr *iph = (struct iphdr *)skb->data;
1213 if (iph->protocol == IPPROTO_UDP)
1214 uh = (struct udphdr *)(iph + 1);
1216 struct ipv6hdr *iph = (struct ipv6hdr *)skb->data;
1218 if (iph->nexthdr == IPPROTO_UDP)
1219 uh = (struct udphdr *)(iph + 1);
1223 skb_shinfo(skb)->gso_type |=
1224 SKB_GSO_UDP_TUNNEL_CSUM;
1226 skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
1233 #define BNXT_IPV4_HDR_SIZE (sizeof(struct iphdr) + sizeof(struct tcphdr))
1234 #define BNXT_IPV6_HDR_SIZE (sizeof(struct ipv6hdr) + sizeof(struct tcphdr))
1236 static struct sk_buff *bnxt_gro_func_5730x(struct bnxt_tpa_info *tpa_info,
1237 int payload_off, int tcp_ts,
1238 struct sk_buff *skb)
1242 int len, nw_off, tcp_opt_len = 0;
1247 if (tpa_info->gso_type == SKB_GSO_TCPV4) {
1250 nw_off = payload_off - BNXT_IPV4_HDR_SIZE - tcp_opt_len -
1252 skb_set_network_header(skb, nw_off);
1254 skb_set_transport_header(skb, nw_off + sizeof(struct iphdr));
1255 len = skb->len - skb_transport_offset(skb);
1257 th->check = ~tcp_v4_check(len, iph->saddr, iph->daddr, 0);
1258 } else if (tpa_info->gso_type == SKB_GSO_TCPV6) {
1259 struct ipv6hdr *iph;
1261 nw_off = payload_off - BNXT_IPV6_HDR_SIZE - tcp_opt_len -
1263 skb_set_network_header(skb, nw_off);
1264 iph = ipv6_hdr(skb);
1265 skb_set_transport_header(skb, nw_off + sizeof(struct ipv6hdr));
1266 len = skb->len - skb_transport_offset(skb);
1268 th->check = ~tcp_v6_check(len, &iph->saddr, &iph->daddr, 0);
1270 dev_kfree_skb_any(skb);
1274 if (nw_off) { /* tunnel */
1275 struct udphdr *uh = NULL;
1277 if (skb->protocol == htons(ETH_P_IP)) {
1278 struct iphdr *iph = (struct iphdr *)skb->data;
1280 if (iph->protocol == IPPROTO_UDP)
1281 uh = (struct udphdr *)(iph + 1);
1283 struct ipv6hdr *iph = (struct ipv6hdr *)skb->data;
1285 if (iph->nexthdr == IPPROTO_UDP)
1286 uh = (struct udphdr *)(iph + 1);
1290 skb_shinfo(skb)->gso_type |=
1291 SKB_GSO_UDP_TUNNEL_CSUM;
1293 skb_shinfo(skb)->gso_type |= SKB_GSO_UDP_TUNNEL;
1300 static inline struct sk_buff *bnxt_gro_skb(struct bnxt *bp,
1301 struct bnxt_tpa_info *tpa_info,
1302 struct rx_tpa_end_cmp *tpa_end,
1303 struct rx_tpa_end_cmp_ext *tpa_end1,
1304 struct sk_buff *skb)
1310 segs = TPA_END_TPA_SEGS(tpa_end);
1314 NAPI_GRO_CB(skb)->count = segs;
1315 skb_shinfo(skb)->gso_size =
1316 le32_to_cpu(tpa_end1->rx_tpa_end_cmp_seg_len);
1317 skb_shinfo(skb)->gso_type = tpa_info->gso_type;
1318 payload_off = (le32_to_cpu(tpa_end->rx_tpa_end_cmp_misc_v1) &
1319 RX_TPA_END_CMP_PAYLOAD_OFFSET) >>
1320 RX_TPA_END_CMP_PAYLOAD_OFFSET_SHIFT;
1321 skb = bp->gro_func(tpa_info, payload_off, TPA_END_GRO_TS(tpa_end), skb);
1323 tcp_gro_complete(skb);
1328 /* Given the cfa_code of a received packet determine which
1329 * netdev (vf-rep or PF) the packet is destined to.
1331 static struct net_device *bnxt_get_pkt_dev(struct bnxt *bp, u16 cfa_code)
1333 struct net_device *dev = bnxt_get_vf_rep(bp, cfa_code);
1335 /* if vf-rep dev is NULL, the must belongs to the PF */
1336 return dev ? dev : bp->dev;
1339 static inline struct sk_buff *bnxt_tpa_end(struct bnxt *bp,
1340 struct bnxt_napi *bnapi,
1342 struct rx_tpa_end_cmp *tpa_end,
1343 struct rx_tpa_end_cmp_ext *tpa_end1,
1346 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1347 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
1348 u8 agg_id = TPA_END_AGG_ID(tpa_end);
1349 u8 *data_ptr, agg_bufs;
1350 u16 cp_cons = RING_CMP(*raw_cons);
1352 struct bnxt_tpa_info *tpa_info;
1354 struct sk_buff *skb;
1357 if (unlikely(bnapi->in_reset)) {
1358 int rc = bnxt_discard_rx(bp, bnapi, raw_cons, tpa_end);
1361 return ERR_PTR(-EBUSY);
1365 tpa_info = &rxr->rx_tpa[agg_id];
1366 data = tpa_info->data;
1367 data_ptr = tpa_info->data_ptr;
1369 len = tpa_info->len;
1370 mapping = tpa_info->mapping;
1372 agg_bufs = (le32_to_cpu(tpa_end->rx_tpa_end_cmp_misc_v1) &
1373 RX_TPA_END_CMP_AGG_BUFS) >> RX_TPA_END_CMP_AGG_BUFS_SHIFT;
1376 if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, raw_cons))
1377 return ERR_PTR(-EBUSY);
1379 *event |= BNXT_AGG_EVENT;
1380 cp_cons = NEXT_CMP(cp_cons);
1383 if (unlikely(agg_bufs > MAX_SKB_FRAGS || TPA_END_ERRORS(tpa_end1))) {
1384 bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
1385 if (agg_bufs > MAX_SKB_FRAGS)
1386 netdev_warn(bp->dev, "TPA frags %d exceeded MAX_SKB_FRAGS %d\n",
1387 agg_bufs, (int)MAX_SKB_FRAGS);
1391 if (len <= bp->rx_copy_thresh) {
1392 skb = bnxt_copy_skb(bnapi, data_ptr, len, mapping);
1394 bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
1399 dma_addr_t new_mapping;
1401 new_data = __bnxt_alloc_rx_data(bp, &new_mapping, GFP_ATOMIC);
1403 bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
1407 tpa_info->data = new_data;
1408 tpa_info->data_ptr = new_data + bp->rx_offset;
1409 tpa_info->mapping = new_mapping;
1411 skb = build_skb(data, 0);
1412 dma_unmap_single_attrs(&bp->pdev->dev, mapping,
1413 bp->rx_buf_use_size, bp->rx_dir,
1414 DMA_ATTR_WEAK_ORDERING);
1418 bnxt_abort_tpa(bp, bnapi, cp_cons, agg_bufs);
1421 skb_reserve(skb, bp->rx_offset);
1426 skb = bnxt_rx_pages(bp, bnapi, skb, cp_cons, agg_bufs);
1428 /* Page reuse already handled by bnxt_rx_pages(). */
1434 eth_type_trans(skb, bnxt_get_pkt_dev(bp, tpa_info->cfa_code));
1436 if (tpa_info->hash_type != PKT_HASH_TYPE_NONE)
1437 skb_set_hash(skb, tpa_info->rss_hash, tpa_info->hash_type);
1439 if ((tpa_info->flags2 & RX_CMP_FLAGS2_META_FORMAT_VLAN) &&
1440 (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
1441 u16 vlan_proto = tpa_info->metadata >>
1442 RX_CMP_FLAGS2_METADATA_TPID_SFT;
1443 u16 vtag = tpa_info->metadata & RX_CMP_FLAGS2_METADATA_TCI_MASK;
1445 __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag);
1448 skb_checksum_none_assert(skb);
1449 if (likely(tpa_info->flags2 & RX_TPA_START_CMP_FLAGS2_L4_CS_CALC)) {
1450 skb->ip_summed = CHECKSUM_UNNECESSARY;
1452 (tpa_info->flags2 & RX_CMP_FLAGS2_T_L4_CS_CALC) >> 3;
1455 if (TPA_END_GRO(tpa_end))
1456 skb = bnxt_gro_skb(bp, tpa_info, tpa_end, tpa_end1, skb);
1461 static void bnxt_deliver_skb(struct bnxt *bp, struct bnxt_napi *bnapi,
1462 struct sk_buff *skb)
1464 if (skb->dev != bp->dev) {
1465 /* this packet belongs to a vf-rep */
1466 bnxt_vf_rep_rx(bp, skb);
1469 skb_record_rx_queue(skb, bnapi->index);
1470 napi_gro_receive(&bnapi->napi, skb);
1473 /* returns the following:
1474 * 1 - 1 packet successfully received
1475 * 0 - successful TPA_START, packet not completed yet
1476 * -EBUSY - completion ring does not have all the agg buffers yet
1477 * -ENOMEM - packet aborted due to out of memory
1478 * -EIO - packet aborted due to hw error indicated in BD
1480 static int bnxt_rx_pkt(struct bnxt *bp, struct bnxt_napi *bnapi, u32 *raw_cons,
1483 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1484 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
1485 struct net_device *dev = bp->dev;
1486 struct rx_cmp *rxcmp;
1487 struct rx_cmp_ext *rxcmp1;
1488 u32 tmp_raw_cons = *raw_cons;
1489 u16 cfa_code, cons, prod, cp_cons = RING_CMP(tmp_raw_cons);
1490 struct bnxt_sw_rx_bd *rx_buf;
1492 u8 *data_ptr, agg_bufs, cmp_type;
1493 dma_addr_t dma_addr;
1494 struct sk_buff *skb;
1499 rxcmp = (struct rx_cmp *)
1500 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
1502 tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
1503 cp_cons = RING_CMP(tmp_raw_cons);
1504 rxcmp1 = (struct rx_cmp_ext *)
1505 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
1507 if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
1510 cmp_type = RX_CMP_TYPE(rxcmp);
1512 prod = rxr->rx_prod;
1514 if (cmp_type == CMP_TYPE_RX_L2_TPA_START_CMP) {
1515 bnxt_tpa_start(bp, rxr, (struct rx_tpa_start_cmp *)rxcmp,
1516 (struct rx_tpa_start_cmp_ext *)rxcmp1);
1518 *event |= BNXT_RX_EVENT;
1519 goto next_rx_no_prod_no_len;
1521 } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
1522 skb = bnxt_tpa_end(bp, bnapi, &tmp_raw_cons,
1523 (struct rx_tpa_end_cmp *)rxcmp,
1524 (struct rx_tpa_end_cmp_ext *)rxcmp1, event);
1531 bnxt_deliver_skb(bp, bnapi, skb);
1534 *event |= BNXT_RX_EVENT;
1535 goto next_rx_no_prod_no_len;
1538 cons = rxcmp->rx_cmp_opaque;
1539 rx_buf = &rxr->rx_buf_ring[cons];
1540 data = rx_buf->data;
1541 data_ptr = rx_buf->data_ptr;
1542 if (unlikely(cons != rxr->rx_next_cons)) {
1543 int rc1 = bnxt_discard_rx(bp, bnapi, raw_cons, rxcmp);
1545 bnxt_sched_reset(bp, rxr);
1550 misc = le32_to_cpu(rxcmp->rx_cmp_misc_v1);
1551 agg_bufs = (misc & RX_CMP_AGG_BUFS) >> RX_CMP_AGG_BUFS_SHIFT;
1554 if (!bnxt_agg_bufs_valid(bp, cpr, agg_bufs, &tmp_raw_cons))
1557 cp_cons = NEXT_CMP(cp_cons);
1558 *event |= BNXT_AGG_EVENT;
1560 *event |= BNXT_RX_EVENT;
1562 rx_buf->data = NULL;
1563 if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L2_ERRORS) {
1564 bnxt_reuse_rx_data(rxr, cons, data);
1566 bnxt_reuse_rx_agg_bufs(bnapi, cp_cons, agg_bufs);
1572 len = le32_to_cpu(rxcmp->rx_cmp_len_flags_type) >> RX_CMP_LEN_SHIFT;
1573 dma_addr = rx_buf->mapping;
1575 if (bnxt_rx_xdp(bp, rxr, cons, data, &data_ptr, &len, event)) {
1580 if (len <= bp->rx_copy_thresh) {
1581 skb = bnxt_copy_skb(bnapi, data_ptr, len, dma_addr);
1582 bnxt_reuse_rx_data(rxr, cons, data);
1590 if (rx_buf->data_ptr == data_ptr)
1591 payload = misc & RX_CMP_PAYLOAD_OFFSET;
1594 skb = bp->rx_skb_func(bp, rxr, cons, data, data_ptr, dma_addr,
1603 skb = bnxt_rx_pages(bp, bnapi, skb, cp_cons, agg_bufs);
1610 if (RX_CMP_HASH_VALID(rxcmp)) {
1611 u32 hash_type = RX_CMP_HASH_TYPE(rxcmp);
1612 enum pkt_hash_types type = PKT_HASH_TYPE_L4;
1614 /* RSS profiles 1 and 3 with extract code 0 for inner 4-tuple */
1615 if (hash_type != 1 && hash_type != 3)
1616 type = PKT_HASH_TYPE_L3;
1617 skb_set_hash(skb, le32_to_cpu(rxcmp->rx_cmp_rss_hash), type);
1620 cfa_code = RX_CMP_CFA_CODE(rxcmp1);
1621 skb->protocol = eth_type_trans(skb, bnxt_get_pkt_dev(bp, cfa_code));
1623 if ((rxcmp1->rx_cmp_flags2 &
1624 cpu_to_le32(RX_CMP_FLAGS2_META_FORMAT_VLAN)) &&
1625 (skb->dev->features & NETIF_F_HW_VLAN_CTAG_RX)) {
1626 u32 meta_data = le32_to_cpu(rxcmp1->rx_cmp_meta_data);
1627 u16 vtag = meta_data & RX_CMP_FLAGS2_METADATA_TCI_MASK;
1628 u16 vlan_proto = meta_data >> RX_CMP_FLAGS2_METADATA_TPID_SFT;
1630 __vlan_hwaccel_put_tag(skb, htons(vlan_proto), vtag);
1633 skb_checksum_none_assert(skb);
1634 if (RX_CMP_L4_CS_OK(rxcmp1)) {
1635 if (dev->features & NETIF_F_RXCSUM) {
1636 skb->ip_summed = CHECKSUM_UNNECESSARY;
1637 skb->csum_level = RX_CMP_ENCAP(rxcmp1);
1640 if (rxcmp1->rx_cmp_cfa_code_errors_v2 & RX_CMP_L4_CS_ERR_BITS) {
1641 if (dev->features & NETIF_F_RXCSUM)
1642 cpr->rx_l4_csum_errors++;
1646 bnxt_deliver_skb(bp, bnapi, skb);
1650 rxr->rx_prod = NEXT_RX(prod);
1651 rxr->rx_next_cons = NEXT_RX(cons);
1653 cpr->rx_packets += 1;
1654 cpr->rx_bytes += len;
1656 next_rx_no_prod_no_len:
1657 *raw_cons = tmp_raw_cons;
1662 /* In netpoll mode, if we are using a combined completion ring, we need to
1663 * discard the rx packets and recycle the buffers.
1665 static int bnxt_force_rx_discard(struct bnxt *bp, struct bnxt_napi *bnapi,
1666 u32 *raw_cons, u8 *event)
1668 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1669 u32 tmp_raw_cons = *raw_cons;
1670 struct rx_cmp_ext *rxcmp1;
1671 struct rx_cmp *rxcmp;
1675 cp_cons = RING_CMP(tmp_raw_cons);
1676 rxcmp = (struct rx_cmp *)
1677 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
1679 tmp_raw_cons = NEXT_RAW_CMP(tmp_raw_cons);
1680 cp_cons = RING_CMP(tmp_raw_cons);
1681 rxcmp1 = (struct rx_cmp_ext *)
1682 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
1684 if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
1687 cmp_type = RX_CMP_TYPE(rxcmp);
1688 if (cmp_type == CMP_TYPE_RX_L2_CMP) {
1689 rxcmp1->rx_cmp_cfa_code_errors_v2 |=
1690 cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR);
1691 } else if (cmp_type == CMP_TYPE_RX_L2_TPA_END_CMP) {
1692 struct rx_tpa_end_cmp_ext *tpa_end1;
1694 tpa_end1 = (struct rx_tpa_end_cmp_ext *)rxcmp1;
1695 tpa_end1->rx_tpa_end_cmp_errors_v2 |=
1696 cpu_to_le32(RX_TPA_END_CMP_ERRORS);
1698 return bnxt_rx_pkt(bp, bnapi, raw_cons, event);
1701 #define BNXT_GET_EVENT_PORT(data) \
1703 ASYNC_EVENT_CMPL_PORT_CONN_NOT_ALLOWED_EVENT_DATA1_PORT_ID_MASK)
1705 static int bnxt_async_event_process(struct bnxt *bp,
1706 struct hwrm_async_event_cmpl *cmpl)
1708 u16 event_id = le16_to_cpu(cmpl->event_id);
1710 /* TODO CHIMP_FW: Define event id's for link change, error etc */
1712 case ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: {
1713 u32 data1 = le32_to_cpu(cmpl->event_data1);
1714 struct bnxt_link_info *link_info = &bp->link_info;
1717 goto async_event_process_exit;
1719 /* print unsupported speed warning in forced speed mode only */
1720 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED) &&
1721 (data1 & 0x20000)) {
1722 u16 fw_speed = link_info->force_link_speed;
1723 u32 speed = bnxt_fw_to_ethtool_speed(fw_speed);
1725 if (speed != SPEED_UNKNOWN)
1726 netdev_warn(bp->dev, "Link speed %d no longer supported\n",
1729 set_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT, &bp->sp_event);
1732 case ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
1733 set_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event);
1735 case ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
1736 set_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event);
1738 case ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: {
1739 u32 data1 = le32_to_cpu(cmpl->event_data1);
1740 u16 port_id = BNXT_GET_EVENT_PORT(data1);
1745 if (bp->pf.port_id != port_id)
1748 set_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event);
1751 case ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
1753 goto async_event_process_exit;
1754 set_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event);
1757 goto async_event_process_exit;
1759 bnxt_queue_sp_work(bp);
1760 async_event_process_exit:
1761 bnxt_ulp_async_events(bp, cmpl);
1765 static int bnxt_hwrm_handler(struct bnxt *bp, struct tx_cmp *txcmp)
1767 u16 cmpl_type = TX_CMP_TYPE(txcmp), vf_id, seq_id;
1768 struct hwrm_cmpl *h_cmpl = (struct hwrm_cmpl *)txcmp;
1769 struct hwrm_fwd_req_cmpl *fwd_req_cmpl =
1770 (struct hwrm_fwd_req_cmpl *)txcmp;
1772 switch (cmpl_type) {
1773 case CMPL_BASE_TYPE_HWRM_DONE:
1774 seq_id = le16_to_cpu(h_cmpl->sequence_id);
1775 if (seq_id == bp->hwrm_intr_seq_id)
1776 bp->hwrm_intr_seq_id = HWRM_SEQ_ID_INVALID;
1778 netdev_err(bp->dev, "Invalid hwrm seq id %d\n", seq_id);
1781 case CMPL_BASE_TYPE_HWRM_FWD_REQ:
1782 vf_id = le16_to_cpu(fwd_req_cmpl->source_id);
1784 if ((vf_id < bp->pf.first_vf_id) ||
1785 (vf_id >= bp->pf.first_vf_id + bp->pf.active_vfs)) {
1786 netdev_err(bp->dev, "Msg contains invalid VF id %x\n",
1791 set_bit(vf_id - bp->pf.first_vf_id, bp->pf.vf_event_bmap);
1792 set_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event);
1793 bnxt_queue_sp_work(bp);
1796 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
1797 bnxt_async_event_process(bp,
1798 (struct hwrm_async_event_cmpl *)txcmp);
1807 static irqreturn_t bnxt_msix(int irq, void *dev_instance)
1809 struct bnxt_napi *bnapi = dev_instance;
1810 struct bnxt *bp = bnapi->bp;
1811 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1812 u32 cons = RING_CMP(cpr->cp_raw_cons);
1815 prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]);
1816 napi_schedule(&bnapi->napi);
1820 static inline int bnxt_has_work(struct bnxt *bp, struct bnxt_cp_ring_info *cpr)
1822 u32 raw_cons = cpr->cp_raw_cons;
1823 u16 cons = RING_CMP(raw_cons);
1824 struct tx_cmp *txcmp;
1826 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
1828 return TX_CMP_VALID(txcmp, raw_cons);
1831 static irqreturn_t bnxt_inta(int irq, void *dev_instance)
1833 struct bnxt_napi *bnapi = dev_instance;
1834 struct bnxt *bp = bnapi->bp;
1835 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1836 u32 cons = RING_CMP(cpr->cp_raw_cons);
1839 prefetch(&cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)]);
1841 if (!bnxt_has_work(bp, cpr)) {
1842 int_status = readl(bp->bar0 + BNXT_CAG_REG_LEGACY_INT_STATUS);
1843 /* return if erroneous interrupt */
1844 if (!(int_status & (0x10000 << cpr->cp_ring_struct.fw_ring_id)))
1848 /* disable ring IRQ */
1849 BNXT_CP_DB_IRQ_DIS(cpr->cp_doorbell);
1851 /* Return here if interrupt is shared and is disabled. */
1852 if (unlikely(atomic_read(&bp->intr_sem) != 0))
1855 napi_schedule(&bnapi->napi);
1859 static int bnxt_poll_work(struct bnxt *bp, struct bnxt_napi *bnapi, int budget)
1861 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1862 u32 raw_cons = cpr->cp_raw_cons;
1867 struct tx_cmp *txcmp;
1872 cons = RING_CMP(raw_cons);
1873 txcmp = &cpr->cp_desc_ring[CP_RING(cons)][CP_IDX(cons)];
1875 if (!TX_CMP_VALID(txcmp, raw_cons))
1878 /* The valid test of the entry must be done first before
1879 * reading any further.
1882 if (TX_CMP_TYPE(txcmp) == CMP_TYPE_TX_L2_CMP) {
1884 /* return full budget so NAPI will complete. */
1885 if (unlikely(tx_pkts > bp->tx_wake_thresh))
1887 } else if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
1889 rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
1891 rc = bnxt_force_rx_discard(bp, bnapi, &raw_cons,
1893 if (likely(rc >= 0))
1895 /* Increment rx_pkts when rc is -ENOMEM to count towards
1896 * the NAPI budget. Otherwise, we may potentially loop
1897 * here forever if we consistently cannot allocate
1900 else if (rc == -ENOMEM && budget)
1902 else if (rc == -EBUSY) /* partial completion */
1904 } else if (unlikely((TX_CMP_TYPE(txcmp) ==
1905 CMPL_BASE_TYPE_HWRM_DONE) ||
1906 (TX_CMP_TYPE(txcmp) ==
1907 CMPL_BASE_TYPE_HWRM_FWD_REQ) ||
1908 (TX_CMP_TYPE(txcmp) ==
1909 CMPL_BASE_TYPE_HWRM_ASYNC_EVENT))) {
1910 bnxt_hwrm_handler(bp, txcmp);
1912 raw_cons = NEXT_RAW_CMP(raw_cons);
1914 if (rx_pkts == budget)
1918 if (event & BNXT_TX_EVENT) {
1919 struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
1920 void __iomem *db = txr->tx_doorbell;
1921 u16 prod = txr->tx_prod;
1923 /* Sync BD data before updating doorbell */
1926 bnxt_db_write_relaxed(bp, db, DB_KEY_TX | prod);
1929 cpr->cp_raw_cons = raw_cons;
1930 /* ACK completion ring before freeing tx ring and producing new
1931 * buffers in rx/agg rings to prevent overflowing the completion
1934 BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
1937 bnapi->tx_int(bp, bnapi, tx_pkts);
1939 if (event & BNXT_RX_EVENT) {
1940 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
1942 bnxt_db_write(bp, rxr->rx_doorbell, DB_KEY_RX | rxr->rx_prod);
1943 if (event & BNXT_AGG_EVENT)
1944 bnxt_db_write(bp, rxr->rx_agg_doorbell,
1945 DB_KEY_RX | rxr->rx_agg_prod);
1950 static int bnxt_poll_nitroa0(struct napi_struct *napi, int budget)
1952 struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi);
1953 struct bnxt *bp = bnapi->bp;
1954 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
1955 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
1956 struct tx_cmp *txcmp;
1957 struct rx_cmp_ext *rxcmp1;
1958 u32 cp_cons, tmp_raw_cons;
1959 u32 raw_cons = cpr->cp_raw_cons;
1966 cp_cons = RING_CMP(raw_cons);
1967 txcmp = &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
1969 if (!TX_CMP_VALID(txcmp, raw_cons))
1972 if ((TX_CMP_TYPE(txcmp) & 0x30) == 0x10) {
1973 tmp_raw_cons = NEXT_RAW_CMP(raw_cons);
1974 cp_cons = RING_CMP(tmp_raw_cons);
1975 rxcmp1 = (struct rx_cmp_ext *)
1976 &cpr->cp_desc_ring[CP_RING(cp_cons)][CP_IDX(cp_cons)];
1978 if (!RX_CMP_VALID(rxcmp1, tmp_raw_cons))
1981 /* force an error to recycle the buffer */
1982 rxcmp1->rx_cmp_cfa_code_errors_v2 |=
1983 cpu_to_le32(RX_CMPL_ERRORS_CRC_ERROR);
1985 rc = bnxt_rx_pkt(bp, bnapi, &raw_cons, &event);
1986 if (likely(rc == -EIO) && budget)
1988 else if (rc == -EBUSY) /* partial completion */
1990 } else if (unlikely(TX_CMP_TYPE(txcmp) ==
1991 CMPL_BASE_TYPE_HWRM_DONE)) {
1992 bnxt_hwrm_handler(bp, txcmp);
1995 "Invalid completion received on special ring\n");
1997 raw_cons = NEXT_RAW_CMP(raw_cons);
1999 if (rx_pkts == budget)
2003 cpr->cp_raw_cons = raw_cons;
2004 BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
2005 bnxt_db_write(bp, rxr->rx_doorbell, DB_KEY_RX | rxr->rx_prod);
2007 if (event & BNXT_AGG_EVENT)
2008 bnxt_db_write(bp, rxr->rx_agg_doorbell,
2009 DB_KEY_RX | rxr->rx_agg_prod);
2011 if (!bnxt_has_work(bp, cpr) && rx_pkts < budget) {
2012 napi_complete_done(napi, rx_pkts);
2013 BNXT_CP_DB_REARM(cpr->cp_doorbell, cpr->cp_raw_cons);
2018 static int bnxt_poll(struct napi_struct *napi, int budget)
2020 struct bnxt_napi *bnapi = container_of(napi, struct bnxt_napi, napi);
2021 struct bnxt *bp = bnapi->bp;
2022 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
2026 work_done += bnxt_poll_work(bp, bnapi, budget - work_done);
2028 if (work_done >= budget)
2031 if (!bnxt_has_work(bp, cpr)) {
2032 if (napi_complete_done(napi, work_done))
2033 BNXT_CP_DB_REARM(cpr->cp_doorbell,
2038 if (bp->flags & BNXT_FLAG_DIM) {
2039 struct net_dim_sample dim_sample;
2041 net_dim_sample(cpr->event_ctr,
2045 net_dim(&cpr->dim, dim_sample);
2051 static void bnxt_free_tx_skbs(struct bnxt *bp)
2054 struct pci_dev *pdev = bp->pdev;
2059 max_idx = bp->tx_nr_pages * TX_DESC_CNT;
2060 for (i = 0; i < bp->tx_nr_rings; i++) {
2061 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
2064 for (j = 0; j < max_idx;) {
2065 struct bnxt_sw_tx_bd *tx_buf = &txr->tx_buf_ring[j];
2066 struct sk_buff *skb = tx_buf->skb;
2076 if (tx_buf->is_push) {
2082 dma_unmap_single(&pdev->dev,
2083 dma_unmap_addr(tx_buf, mapping),
2087 last = tx_buf->nr_frags;
2089 for (k = 0; k < last; k++, j++) {
2090 int ring_idx = j & bp->tx_ring_mask;
2091 skb_frag_t *frag = &skb_shinfo(skb)->frags[k];
2093 tx_buf = &txr->tx_buf_ring[ring_idx];
2096 dma_unmap_addr(tx_buf, mapping),
2097 skb_frag_size(frag), PCI_DMA_TODEVICE);
2101 netdev_tx_reset_queue(netdev_get_tx_queue(bp->dev, i));
2105 static void bnxt_free_rx_skbs(struct bnxt *bp)
2107 int i, max_idx, max_agg_idx;
2108 struct pci_dev *pdev = bp->pdev;
2113 max_idx = bp->rx_nr_pages * RX_DESC_CNT;
2114 max_agg_idx = bp->rx_agg_nr_pages * RX_DESC_CNT;
2115 for (i = 0; i < bp->rx_nr_rings; i++) {
2116 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
2120 for (j = 0; j < MAX_TPA; j++) {
2121 struct bnxt_tpa_info *tpa_info =
2123 u8 *data = tpa_info->data;
2128 dma_unmap_single_attrs(&pdev->dev,
2130 bp->rx_buf_use_size,
2132 DMA_ATTR_WEAK_ORDERING);
2134 tpa_info->data = NULL;
2140 for (j = 0; j < max_idx; j++) {
2141 struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[j];
2142 dma_addr_t mapping = rx_buf->mapping;
2143 void *data = rx_buf->data;
2148 rx_buf->data = NULL;
2150 if (BNXT_RX_PAGE_MODE(bp)) {
2151 mapping -= bp->rx_dma_offset;
2152 dma_unmap_page_attrs(&pdev->dev, mapping,
2153 PAGE_SIZE, bp->rx_dir,
2154 DMA_ATTR_WEAK_ORDERING);
2157 dma_unmap_single_attrs(&pdev->dev, mapping,
2158 bp->rx_buf_use_size,
2160 DMA_ATTR_WEAK_ORDERING);
2165 for (j = 0; j < max_agg_idx; j++) {
2166 struct bnxt_sw_rx_agg_bd *rx_agg_buf =
2167 &rxr->rx_agg_ring[j];
2168 struct page *page = rx_agg_buf->page;
2173 dma_unmap_page_attrs(&pdev->dev, rx_agg_buf->mapping,
2176 DMA_ATTR_WEAK_ORDERING);
2178 rx_agg_buf->page = NULL;
2179 __clear_bit(j, rxr->rx_agg_bmap);
2184 __free_page(rxr->rx_page);
2185 rxr->rx_page = NULL;
2190 static void bnxt_free_skbs(struct bnxt *bp)
2192 bnxt_free_tx_skbs(bp);
2193 bnxt_free_rx_skbs(bp);
2196 static void bnxt_free_ring(struct bnxt *bp, struct bnxt_ring_struct *ring)
2198 struct pci_dev *pdev = bp->pdev;
2201 for (i = 0; i < ring->nr_pages; i++) {
2202 if (!ring->pg_arr[i])
2205 dma_free_coherent(&pdev->dev, ring->page_size,
2206 ring->pg_arr[i], ring->dma_arr[i]);
2208 ring->pg_arr[i] = NULL;
2211 dma_free_coherent(&pdev->dev, ring->nr_pages * 8,
2212 ring->pg_tbl, ring->pg_tbl_map);
2213 ring->pg_tbl = NULL;
2215 if (ring->vmem_size && *ring->vmem) {
2221 static int bnxt_alloc_ring(struct bnxt *bp, struct bnxt_ring_struct *ring)
2224 struct pci_dev *pdev = bp->pdev;
2226 if (ring->nr_pages > 1) {
2227 ring->pg_tbl = dma_alloc_coherent(&pdev->dev,
2235 for (i = 0; i < ring->nr_pages; i++) {
2236 ring->pg_arr[i] = dma_alloc_coherent(&pdev->dev,
2240 if (!ring->pg_arr[i])
2243 if (ring->nr_pages > 1)
2244 ring->pg_tbl[i] = cpu_to_le64(ring->dma_arr[i]);
2247 if (ring->vmem_size) {
2248 *ring->vmem = vzalloc(ring->vmem_size);
2255 static void bnxt_free_rx_rings(struct bnxt *bp)
2262 for (i = 0; i < bp->rx_nr_rings; i++) {
2263 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
2264 struct bnxt_ring_struct *ring;
2267 bpf_prog_put(rxr->xdp_prog);
2269 if (xdp_rxq_info_is_reg(&rxr->xdp_rxq))
2270 xdp_rxq_info_unreg(&rxr->xdp_rxq);
2275 kfree(rxr->rx_agg_bmap);
2276 rxr->rx_agg_bmap = NULL;
2278 ring = &rxr->rx_ring_struct;
2279 bnxt_free_ring(bp, ring);
2281 ring = &rxr->rx_agg_ring_struct;
2282 bnxt_free_ring(bp, ring);
2286 static int bnxt_alloc_rx_rings(struct bnxt *bp)
2288 int i, rc, agg_rings = 0, tpa_rings = 0;
2293 if (bp->flags & BNXT_FLAG_AGG_RINGS)
2296 if (bp->flags & BNXT_FLAG_TPA)
2299 for (i = 0; i < bp->rx_nr_rings; i++) {
2300 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
2301 struct bnxt_ring_struct *ring;
2303 ring = &rxr->rx_ring_struct;
2305 rc = xdp_rxq_info_reg(&rxr->xdp_rxq, bp->dev, i);
2309 rc = bnxt_alloc_ring(bp, ring);
2316 ring = &rxr->rx_agg_ring_struct;
2317 rc = bnxt_alloc_ring(bp, ring);
2322 rxr->rx_agg_bmap_size = bp->rx_agg_ring_mask + 1;
2323 mem_size = rxr->rx_agg_bmap_size / 8;
2324 rxr->rx_agg_bmap = kzalloc(mem_size, GFP_KERNEL);
2325 if (!rxr->rx_agg_bmap)
2329 rxr->rx_tpa = kcalloc(MAX_TPA,
2330 sizeof(struct bnxt_tpa_info),
2340 static void bnxt_free_tx_rings(struct bnxt *bp)
2343 struct pci_dev *pdev = bp->pdev;
2348 for (i = 0; i < bp->tx_nr_rings; i++) {
2349 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
2350 struct bnxt_ring_struct *ring;
2353 dma_free_coherent(&pdev->dev, bp->tx_push_size,
2354 txr->tx_push, txr->tx_push_mapping);
2355 txr->tx_push = NULL;
2358 ring = &txr->tx_ring_struct;
2360 bnxt_free_ring(bp, ring);
2364 static int bnxt_alloc_tx_rings(struct bnxt *bp)
2367 struct pci_dev *pdev = bp->pdev;
2369 bp->tx_push_size = 0;
2370 if (bp->tx_push_thresh) {
2373 push_size = L1_CACHE_ALIGN(sizeof(struct tx_push_bd) +
2374 bp->tx_push_thresh);
2376 if (push_size > 256) {
2378 bp->tx_push_thresh = 0;
2381 bp->tx_push_size = push_size;
2384 for (i = 0, j = 0; i < bp->tx_nr_rings; i++) {
2385 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
2386 struct bnxt_ring_struct *ring;
2389 ring = &txr->tx_ring_struct;
2391 rc = bnxt_alloc_ring(bp, ring);
2395 ring->grp_idx = txr->bnapi->index;
2396 if (bp->tx_push_size) {
2399 /* One pre-allocated DMA buffer to backup
2402 txr->tx_push = dma_alloc_coherent(&pdev->dev,
2404 &txr->tx_push_mapping,
2410 mapping = txr->tx_push_mapping +
2411 sizeof(struct tx_push_bd);
2412 txr->data_mapping = cpu_to_le64(mapping);
2414 memset(txr->tx_push, 0, sizeof(struct tx_push_bd));
2416 qidx = bp->tc_to_qidx[j];
2417 ring->queue_id = bp->q_info[qidx].queue_id;
2418 if (i < bp->tx_nr_rings_xdp)
2420 if (i % bp->tx_nr_rings_per_tc == (bp->tx_nr_rings_per_tc - 1))
2426 static void bnxt_free_cp_rings(struct bnxt *bp)
2433 for (i = 0; i < bp->cp_nr_rings; i++) {
2434 struct bnxt_napi *bnapi = bp->bnapi[i];
2435 struct bnxt_cp_ring_info *cpr;
2436 struct bnxt_ring_struct *ring;
2441 cpr = &bnapi->cp_ring;
2442 ring = &cpr->cp_ring_struct;
2444 bnxt_free_ring(bp, ring);
2448 static int bnxt_alloc_cp_rings(struct bnxt *bp)
2450 int i, rc, ulp_base_vec, ulp_msix;
2452 ulp_msix = bnxt_get_ulp_msix_num(bp);
2453 ulp_base_vec = bnxt_get_ulp_msix_base(bp);
2454 for (i = 0; i < bp->cp_nr_rings; i++) {
2455 struct bnxt_napi *bnapi = bp->bnapi[i];
2456 struct bnxt_cp_ring_info *cpr;
2457 struct bnxt_ring_struct *ring;
2462 cpr = &bnapi->cp_ring;
2463 ring = &cpr->cp_ring_struct;
2465 rc = bnxt_alloc_ring(bp, ring);
2469 if (ulp_msix && i >= ulp_base_vec)
2470 ring->map_idx = i + ulp_msix;
2477 static void bnxt_init_ring_struct(struct bnxt *bp)
2481 for (i = 0; i < bp->cp_nr_rings; i++) {
2482 struct bnxt_napi *bnapi = bp->bnapi[i];
2483 struct bnxt_cp_ring_info *cpr;
2484 struct bnxt_rx_ring_info *rxr;
2485 struct bnxt_tx_ring_info *txr;
2486 struct bnxt_ring_struct *ring;
2491 cpr = &bnapi->cp_ring;
2492 ring = &cpr->cp_ring_struct;
2493 ring->nr_pages = bp->cp_nr_pages;
2494 ring->page_size = HW_CMPD_RING_SIZE;
2495 ring->pg_arr = (void **)cpr->cp_desc_ring;
2496 ring->dma_arr = cpr->cp_desc_mapping;
2497 ring->vmem_size = 0;
2499 rxr = bnapi->rx_ring;
2503 ring = &rxr->rx_ring_struct;
2504 ring->nr_pages = bp->rx_nr_pages;
2505 ring->page_size = HW_RXBD_RING_SIZE;
2506 ring->pg_arr = (void **)rxr->rx_desc_ring;
2507 ring->dma_arr = rxr->rx_desc_mapping;
2508 ring->vmem_size = SW_RXBD_RING_SIZE * bp->rx_nr_pages;
2509 ring->vmem = (void **)&rxr->rx_buf_ring;
2511 ring = &rxr->rx_agg_ring_struct;
2512 ring->nr_pages = bp->rx_agg_nr_pages;
2513 ring->page_size = HW_RXBD_RING_SIZE;
2514 ring->pg_arr = (void **)rxr->rx_agg_desc_ring;
2515 ring->dma_arr = rxr->rx_agg_desc_mapping;
2516 ring->vmem_size = SW_RXBD_AGG_RING_SIZE * bp->rx_agg_nr_pages;
2517 ring->vmem = (void **)&rxr->rx_agg_ring;
2520 txr = bnapi->tx_ring;
2524 ring = &txr->tx_ring_struct;
2525 ring->nr_pages = bp->tx_nr_pages;
2526 ring->page_size = HW_RXBD_RING_SIZE;
2527 ring->pg_arr = (void **)txr->tx_desc_ring;
2528 ring->dma_arr = txr->tx_desc_mapping;
2529 ring->vmem_size = SW_TXBD_RING_SIZE * bp->tx_nr_pages;
2530 ring->vmem = (void **)&txr->tx_buf_ring;
2534 static void bnxt_init_rxbd_pages(struct bnxt_ring_struct *ring, u32 type)
2538 struct rx_bd **rx_buf_ring;
2540 rx_buf_ring = (struct rx_bd **)ring->pg_arr;
2541 for (i = 0, prod = 0; i < ring->nr_pages; i++) {
2545 rxbd = rx_buf_ring[i];
2549 for (j = 0; j < RX_DESC_CNT; j++, rxbd++, prod++) {
2550 rxbd->rx_bd_len_flags_type = cpu_to_le32(type);
2551 rxbd->rx_bd_opaque = prod;
2556 static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr)
2558 struct net_device *dev = bp->dev;
2559 struct bnxt_rx_ring_info *rxr;
2560 struct bnxt_ring_struct *ring;
2564 type = (bp->rx_buf_use_size << RX_BD_LEN_SHIFT) |
2565 RX_BD_TYPE_RX_PACKET_BD | RX_BD_FLAGS_EOP;
2567 if (NET_IP_ALIGN == 2)
2568 type |= RX_BD_FLAGS_SOP;
2570 rxr = &bp->rx_ring[ring_nr];
2571 ring = &rxr->rx_ring_struct;
2572 bnxt_init_rxbd_pages(ring, type);
2574 if (BNXT_RX_PAGE_MODE(bp) && bp->xdp_prog) {
2575 rxr->xdp_prog = bpf_prog_add(bp->xdp_prog, 1);
2576 if (IS_ERR(rxr->xdp_prog)) {
2577 int rc = PTR_ERR(rxr->xdp_prog);
2579 rxr->xdp_prog = NULL;
2583 prod = rxr->rx_prod;
2584 for (i = 0; i < bp->rx_ring_size; i++) {
2585 if (bnxt_alloc_rx_data(bp, rxr, prod, GFP_KERNEL) != 0) {
2586 netdev_warn(dev, "init'ed rx ring %d with %d/%d skbs only\n",
2587 ring_nr, i, bp->rx_ring_size);
2590 prod = NEXT_RX(prod);
2592 rxr->rx_prod = prod;
2593 ring->fw_ring_id = INVALID_HW_RING_ID;
2595 ring = &rxr->rx_agg_ring_struct;
2596 ring->fw_ring_id = INVALID_HW_RING_ID;
2598 if (!(bp->flags & BNXT_FLAG_AGG_RINGS))
2601 type = ((u32)BNXT_RX_PAGE_SIZE << RX_BD_LEN_SHIFT) |
2602 RX_BD_TYPE_RX_AGG_BD | RX_BD_FLAGS_SOP;
2604 bnxt_init_rxbd_pages(ring, type);
2606 prod = rxr->rx_agg_prod;
2607 for (i = 0; i < bp->rx_agg_ring_size; i++) {
2608 if (bnxt_alloc_rx_page(bp, rxr, prod, GFP_KERNEL) != 0) {
2609 netdev_warn(dev, "init'ed rx ring %d with %d/%d pages only\n",
2610 ring_nr, i, bp->rx_ring_size);
2613 prod = NEXT_RX_AGG(prod);
2615 rxr->rx_agg_prod = prod;
2617 if (bp->flags & BNXT_FLAG_TPA) {
2622 for (i = 0; i < MAX_TPA; i++) {
2623 data = __bnxt_alloc_rx_data(bp, &mapping,
2628 rxr->rx_tpa[i].data = data;
2629 rxr->rx_tpa[i].data_ptr = data + bp->rx_offset;
2630 rxr->rx_tpa[i].mapping = mapping;
2633 netdev_err(bp->dev, "No resource allocated for LRO/GRO\n");
2641 static void bnxt_init_cp_rings(struct bnxt *bp)
2645 for (i = 0; i < bp->cp_nr_rings; i++) {
2646 struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
2647 struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
2649 ring->fw_ring_id = INVALID_HW_RING_ID;
2650 cpr->rx_ring_coal.coal_ticks = bp->rx_coal.coal_ticks;
2651 cpr->rx_ring_coal.coal_bufs = bp->rx_coal.coal_bufs;
2655 static int bnxt_init_rx_rings(struct bnxt *bp)
2659 if (BNXT_RX_PAGE_MODE(bp)) {
2660 bp->rx_offset = NET_IP_ALIGN + XDP_PACKET_HEADROOM;
2661 bp->rx_dma_offset = XDP_PACKET_HEADROOM;
2663 bp->rx_offset = BNXT_RX_OFFSET;
2664 bp->rx_dma_offset = BNXT_RX_DMA_OFFSET;
2667 for (i = 0; i < bp->rx_nr_rings; i++) {
2668 rc = bnxt_init_one_rx_ring(bp, i);
2676 static int bnxt_init_tx_rings(struct bnxt *bp)
2680 bp->tx_wake_thresh = max_t(int, bp->tx_ring_size / 2,
2683 for (i = 0; i < bp->tx_nr_rings; i++) {
2684 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
2685 struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
2687 ring->fw_ring_id = INVALID_HW_RING_ID;
2693 static void bnxt_free_ring_grps(struct bnxt *bp)
2695 kfree(bp->grp_info);
2696 bp->grp_info = NULL;
2699 static int bnxt_init_ring_grps(struct bnxt *bp, bool irq_re_init)
2704 bp->grp_info = kcalloc(bp->cp_nr_rings,
2705 sizeof(struct bnxt_ring_grp_info),
2710 for (i = 0; i < bp->cp_nr_rings; i++) {
2712 bp->grp_info[i].fw_stats_ctx = INVALID_HW_RING_ID;
2713 bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID;
2714 bp->grp_info[i].rx_fw_ring_id = INVALID_HW_RING_ID;
2715 bp->grp_info[i].agg_fw_ring_id = INVALID_HW_RING_ID;
2716 bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID;
2721 static void bnxt_free_vnics(struct bnxt *bp)
2723 kfree(bp->vnic_info);
2724 bp->vnic_info = NULL;
2728 static int bnxt_alloc_vnics(struct bnxt *bp)
2732 #ifdef CONFIG_RFS_ACCEL
2733 if (bp->flags & BNXT_FLAG_RFS)
2734 num_vnics += bp->rx_nr_rings;
2737 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
2740 bp->vnic_info = kcalloc(num_vnics, sizeof(struct bnxt_vnic_info),
2745 bp->nr_vnics = num_vnics;
2749 static void bnxt_init_vnics(struct bnxt *bp)
2753 for (i = 0; i < bp->nr_vnics; i++) {
2754 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
2756 vnic->fw_vnic_id = INVALID_HW_RING_ID;
2757 vnic->fw_rss_cos_lb_ctx[0] = INVALID_HW_RING_ID;
2758 vnic->fw_rss_cos_lb_ctx[1] = INVALID_HW_RING_ID;
2759 vnic->fw_l2_ctx_id = INVALID_HW_RING_ID;
2761 if (bp->vnic_info[i].rss_hash_key) {
2763 prandom_bytes(vnic->rss_hash_key,
2766 memcpy(vnic->rss_hash_key,
2767 bp->vnic_info[0].rss_hash_key,
2773 static int bnxt_calc_nr_ring_pages(u32 ring_size, int desc_per_pg)
2777 pages = ring_size / desc_per_pg;
2784 while (pages & (pages - 1))
2790 void bnxt_set_tpa_flags(struct bnxt *bp)
2792 bp->flags &= ~BNXT_FLAG_TPA;
2793 if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
2795 if (bp->dev->features & NETIF_F_LRO)
2796 bp->flags |= BNXT_FLAG_LRO;
2797 else if (bp->dev->features & NETIF_F_GRO_HW)
2798 bp->flags |= BNXT_FLAG_GRO;
2801 /* bp->rx_ring_size, bp->tx_ring_size, dev->mtu, BNXT_FLAG_{G|L}RO flags must
2804 void bnxt_set_ring_params(struct bnxt *bp)
2806 u32 ring_size, rx_size, rx_space;
2807 u32 agg_factor = 0, agg_ring_size = 0;
2809 /* 8 for CRC and VLAN */
2810 rx_size = SKB_DATA_ALIGN(bp->dev->mtu + ETH_HLEN + NET_IP_ALIGN + 8);
2812 rx_space = rx_size + NET_SKB_PAD +
2813 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
2815 bp->rx_copy_thresh = BNXT_RX_COPY_THRESH;
2816 ring_size = bp->rx_ring_size;
2817 bp->rx_agg_ring_size = 0;
2818 bp->rx_agg_nr_pages = 0;
2820 if (bp->flags & BNXT_FLAG_TPA)
2821 agg_factor = min_t(u32, 4, 65536 / BNXT_RX_PAGE_SIZE);
2823 bp->flags &= ~BNXT_FLAG_JUMBO;
2824 if (rx_space > PAGE_SIZE && !(bp->flags & BNXT_FLAG_NO_AGG_RINGS)) {
2827 bp->flags |= BNXT_FLAG_JUMBO;
2828 jumbo_factor = PAGE_ALIGN(bp->dev->mtu - 40) >> PAGE_SHIFT;
2829 if (jumbo_factor > agg_factor)
2830 agg_factor = jumbo_factor;
2832 agg_ring_size = ring_size * agg_factor;
2834 if (agg_ring_size) {
2835 bp->rx_agg_nr_pages = bnxt_calc_nr_ring_pages(agg_ring_size,
2837 if (bp->rx_agg_nr_pages > MAX_RX_AGG_PAGES) {
2838 u32 tmp = agg_ring_size;
2840 bp->rx_agg_nr_pages = MAX_RX_AGG_PAGES;
2841 agg_ring_size = MAX_RX_AGG_PAGES * RX_DESC_CNT - 1;
2842 netdev_warn(bp->dev, "rx agg ring size %d reduced to %d.\n",
2843 tmp, agg_ring_size);
2845 bp->rx_agg_ring_size = agg_ring_size;
2846 bp->rx_agg_ring_mask = (bp->rx_agg_nr_pages * RX_DESC_CNT) - 1;
2847 rx_size = SKB_DATA_ALIGN(BNXT_RX_COPY_THRESH + NET_IP_ALIGN);
2848 rx_space = rx_size + NET_SKB_PAD +
2849 SKB_DATA_ALIGN(sizeof(struct skb_shared_info));
2852 bp->rx_buf_use_size = rx_size;
2853 bp->rx_buf_size = rx_space;
2855 bp->rx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, RX_DESC_CNT);
2856 bp->rx_ring_mask = (bp->rx_nr_pages * RX_DESC_CNT) - 1;
2858 ring_size = bp->tx_ring_size;
2859 bp->tx_nr_pages = bnxt_calc_nr_ring_pages(ring_size, TX_DESC_CNT);
2860 bp->tx_ring_mask = (bp->tx_nr_pages * TX_DESC_CNT) - 1;
2862 ring_size = bp->rx_ring_size * (2 + agg_factor) + bp->tx_ring_size;
2863 bp->cp_ring_size = ring_size;
2865 bp->cp_nr_pages = bnxt_calc_nr_ring_pages(ring_size, CP_DESC_CNT);
2866 if (bp->cp_nr_pages > MAX_CP_PAGES) {
2867 bp->cp_nr_pages = MAX_CP_PAGES;
2868 bp->cp_ring_size = MAX_CP_PAGES * CP_DESC_CNT - 1;
2869 netdev_warn(bp->dev, "completion ring size %d reduced to %d.\n",
2870 ring_size, bp->cp_ring_size);
2872 bp->cp_bit = bp->cp_nr_pages * CP_DESC_CNT;
2873 bp->cp_ring_mask = bp->cp_bit - 1;
2876 /* Changing allocation mode of RX rings.
2877 * TODO: Update when extending xdp_rxq_info to support allocation modes.
2879 int bnxt_set_rx_skb_mode(struct bnxt *bp, bool page_mode)
2882 if (bp->dev->mtu > BNXT_MAX_PAGE_MODE_MTU)
2885 min_t(u16, bp->max_mtu, BNXT_MAX_PAGE_MODE_MTU);
2886 bp->flags &= ~BNXT_FLAG_AGG_RINGS;
2887 bp->flags |= BNXT_FLAG_NO_AGG_RINGS | BNXT_FLAG_RX_PAGE_MODE;
2888 bp->rx_dir = DMA_BIDIRECTIONAL;
2889 bp->rx_skb_func = bnxt_rx_page_skb;
2890 /* Disable LRO or GRO_HW */
2891 netdev_update_features(bp->dev);
2893 bp->dev->max_mtu = bp->max_mtu;
2894 bp->flags &= ~BNXT_FLAG_RX_PAGE_MODE;
2895 bp->rx_dir = DMA_FROM_DEVICE;
2896 bp->rx_skb_func = bnxt_rx_skb;
2901 static void bnxt_free_vnic_attributes(struct bnxt *bp)
2904 struct bnxt_vnic_info *vnic;
2905 struct pci_dev *pdev = bp->pdev;
2910 for (i = 0; i < bp->nr_vnics; i++) {
2911 vnic = &bp->vnic_info[i];
2913 kfree(vnic->fw_grp_ids);
2914 vnic->fw_grp_ids = NULL;
2916 kfree(vnic->uc_list);
2917 vnic->uc_list = NULL;
2919 if (vnic->mc_list) {
2920 dma_free_coherent(&pdev->dev, vnic->mc_list_size,
2921 vnic->mc_list, vnic->mc_list_mapping);
2922 vnic->mc_list = NULL;
2925 if (vnic->rss_table) {
2926 dma_free_coherent(&pdev->dev, PAGE_SIZE,
2928 vnic->rss_table_dma_addr);
2929 vnic->rss_table = NULL;
2932 vnic->rss_hash_key = NULL;
2937 static int bnxt_alloc_vnic_attributes(struct bnxt *bp)
2939 int i, rc = 0, size;
2940 struct bnxt_vnic_info *vnic;
2941 struct pci_dev *pdev = bp->pdev;
2944 for (i = 0; i < bp->nr_vnics; i++) {
2945 vnic = &bp->vnic_info[i];
2947 if (vnic->flags & BNXT_VNIC_UCAST_FLAG) {
2948 int mem_size = (BNXT_MAX_UC_ADDRS - 1) * ETH_ALEN;
2951 vnic->uc_list = kmalloc(mem_size, GFP_KERNEL);
2952 if (!vnic->uc_list) {
2959 if (vnic->flags & BNXT_VNIC_MCAST_FLAG) {
2960 vnic->mc_list_size = BNXT_MAX_MC_ADDRS * ETH_ALEN;
2962 dma_alloc_coherent(&pdev->dev,
2964 &vnic->mc_list_mapping,
2966 if (!vnic->mc_list) {
2972 if (vnic->flags & BNXT_VNIC_RSS_FLAG)
2973 max_rings = bp->rx_nr_rings;
2977 vnic->fw_grp_ids = kcalloc(max_rings, sizeof(u16), GFP_KERNEL);
2978 if (!vnic->fw_grp_ids) {
2983 if ((bp->flags & BNXT_FLAG_NEW_RSS_CAP) &&
2984 !(vnic->flags & BNXT_VNIC_RSS_FLAG))
2987 /* Allocate rss table and hash key */
2988 vnic->rss_table = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
2989 &vnic->rss_table_dma_addr,
2991 if (!vnic->rss_table) {
2996 size = L1_CACHE_ALIGN(HW_HASH_INDEX_SIZE * sizeof(u16));
2998 vnic->rss_hash_key = ((void *)vnic->rss_table) + size;
2999 vnic->rss_hash_key_dma_addr = vnic->rss_table_dma_addr + size;
3007 static void bnxt_free_hwrm_resources(struct bnxt *bp)
3009 struct pci_dev *pdev = bp->pdev;
3011 dma_free_coherent(&pdev->dev, PAGE_SIZE, bp->hwrm_cmd_resp_addr,
3012 bp->hwrm_cmd_resp_dma_addr);
3014 bp->hwrm_cmd_resp_addr = NULL;
3015 if (bp->hwrm_dbg_resp_addr) {
3016 dma_free_coherent(&pdev->dev, HWRM_DBG_REG_BUF_SIZE,
3017 bp->hwrm_dbg_resp_addr,
3018 bp->hwrm_dbg_resp_dma_addr);
3020 bp->hwrm_dbg_resp_addr = NULL;
3024 static int bnxt_alloc_hwrm_resources(struct bnxt *bp)
3026 struct pci_dev *pdev = bp->pdev;
3028 bp->hwrm_cmd_resp_addr = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
3029 &bp->hwrm_cmd_resp_dma_addr,
3031 if (!bp->hwrm_cmd_resp_addr)
3033 bp->hwrm_dbg_resp_addr = dma_alloc_coherent(&pdev->dev,
3034 HWRM_DBG_REG_BUF_SIZE,
3035 &bp->hwrm_dbg_resp_dma_addr,
3037 if (!bp->hwrm_dbg_resp_addr)
3038 netdev_warn(bp->dev, "fail to alloc debug register dma mem\n");
3043 static void bnxt_free_hwrm_short_cmd_req(struct bnxt *bp)
3045 if (bp->hwrm_short_cmd_req_addr) {
3046 struct pci_dev *pdev = bp->pdev;
3048 dma_free_coherent(&pdev->dev, BNXT_HWRM_MAX_REQ_LEN,
3049 bp->hwrm_short_cmd_req_addr,
3050 bp->hwrm_short_cmd_req_dma_addr);
3051 bp->hwrm_short_cmd_req_addr = NULL;
3055 static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt *bp)
3057 struct pci_dev *pdev = bp->pdev;
3059 bp->hwrm_short_cmd_req_addr =
3060 dma_alloc_coherent(&pdev->dev, BNXT_HWRM_MAX_REQ_LEN,
3061 &bp->hwrm_short_cmd_req_dma_addr,
3063 if (!bp->hwrm_short_cmd_req_addr)
3069 static void bnxt_free_stats(struct bnxt *bp)
3072 struct pci_dev *pdev = bp->pdev;
3074 bp->flags &= ~BNXT_FLAG_PORT_STATS;
3075 bp->flags &= ~BNXT_FLAG_PORT_STATS_EXT;
3077 if (bp->hw_rx_port_stats) {
3078 dma_free_coherent(&pdev->dev, bp->hw_port_stats_size,
3079 bp->hw_rx_port_stats,
3080 bp->hw_rx_port_stats_map);
3081 bp->hw_rx_port_stats = NULL;
3084 if (bp->hw_rx_port_stats_ext) {
3085 dma_free_coherent(&pdev->dev, sizeof(struct rx_port_stats_ext),
3086 bp->hw_rx_port_stats_ext,
3087 bp->hw_rx_port_stats_ext_map);
3088 bp->hw_rx_port_stats_ext = NULL;
3094 size = sizeof(struct ctx_hw_stats);
3096 for (i = 0; i < bp->cp_nr_rings; i++) {
3097 struct bnxt_napi *bnapi = bp->bnapi[i];
3098 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
3100 if (cpr->hw_stats) {
3101 dma_free_coherent(&pdev->dev, size, cpr->hw_stats,
3103 cpr->hw_stats = NULL;
3108 static int bnxt_alloc_stats(struct bnxt *bp)
3111 struct pci_dev *pdev = bp->pdev;
3113 size = sizeof(struct ctx_hw_stats);
3115 for (i = 0; i < bp->cp_nr_rings; i++) {
3116 struct bnxt_napi *bnapi = bp->bnapi[i];
3117 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
3119 cpr->hw_stats = dma_alloc_coherent(&pdev->dev, size,
3125 cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID;
3128 if (BNXT_PF(bp) && bp->chip_num != CHIP_NUM_58700) {
3129 bp->hw_port_stats_size = sizeof(struct rx_port_stats) +
3130 sizeof(struct tx_port_stats) + 1024;
3132 bp->hw_rx_port_stats =
3133 dma_alloc_coherent(&pdev->dev, bp->hw_port_stats_size,
3134 &bp->hw_rx_port_stats_map,
3136 if (!bp->hw_rx_port_stats)
3139 bp->hw_tx_port_stats = (void *)(bp->hw_rx_port_stats + 1) +
3141 bp->hw_tx_port_stats_map = bp->hw_rx_port_stats_map +
3142 sizeof(struct rx_port_stats) + 512;
3143 bp->flags |= BNXT_FLAG_PORT_STATS;
3145 /* Display extended statistics only if FW supports it */
3146 if (bp->hwrm_spec_code < 0x10804 ||
3147 bp->hwrm_spec_code == 0x10900)
3150 bp->hw_rx_port_stats_ext =
3151 dma_zalloc_coherent(&pdev->dev,
3152 sizeof(struct rx_port_stats_ext),
3153 &bp->hw_rx_port_stats_ext_map,
3155 if (!bp->hw_rx_port_stats_ext)
3158 bp->flags |= BNXT_FLAG_PORT_STATS_EXT;
3163 static void bnxt_clear_ring_indices(struct bnxt *bp)
3170 for (i = 0; i < bp->cp_nr_rings; i++) {
3171 struct bnxt_napi *bnapi = bp->bnapi[i];
3172 struct bnxt_cp_ring_info *cpr;
3173 struct bnxt_rx_ring_info *rxr;
3174 struct bnxt_tx_ring_info *txr;
3179 cpr = &bnapi->cp_ring;
3180 cpr->cp_raw_cons = 0;
3182 txr = bnapi->tx_ring;
3188 rxr = bnapi->rx_ring;
3191 rxr->rx_agg_prod = 0;
3192 rxr->rx_sw_agg_prod = 0;
3193 rxr->rx_next_cons = 0;
3198 static void bnxt_free_ntp_fltrs(struct bnxt *bp, bool irq_reinit)
3200 #ifdef CONFIG_RFS_ACCEL
3203 /* Under rtnl_lock and all our NAPIs have been disabled. It's
3204 * safe to delete the hash table.
3206 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
3207 struct hlist_head *head;
3208 struct hlist_node *tmp;
3209 struct bnxt_ntuple_filter *fltr;
3211 head = &bp->ntp_fltr_hash_tbl[i];
3212 hlist_for_each_entry_safe(fltr, tmp, head, hash) {
3213 hlist_del(&fltr->hash);
3218 kfree(bp->ntp_fltr_bmap);
3219 bp->ntp_fltr_bmap = NULL;
3221 bp->ntp_fltr_count = 0;
3225 static int bnxt_alloc_ntp_fltrs(struct bnxt *bp)
3227 #ifdef CONFIG_RFS_ACCEL
3230 if (!(bp->flags & BNXT_FLAG_RFS))
3233 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++)
3234 INIT_HLIST_HEAD(&bp->ntp_fltr_hash_tbl[i]);
3236 bp->ntp_fltr_count = 0;
3237 bp->ntp_fltr_bmap = kcalloc(BITS_TO_LONGS(BNXT_NTP_FLTR_MAX_FLTR),
3241 if (!bp->ntp_fltr_bmap)
3250 static void bnxt_free_mem(struct bnxt *bp, bool irq_re_init)
3252 bnxt_free_vnic_attributes(bp);
3253 bnxt_free_tx_rings(bp);
3254 bnxt_free_rx_rings(bp);
3255 bnxt_free_cp_rings(bp);
3256 bnxt_free_ntp_fltrs(bp, irq_re_init);
3258 bnxt_free_stats(bp);
3259 bnxt_free_ring_grps(bp);
3260 bnxt_free_vnics(bp);
3261 kfree(bp->tx_ring_map);
3262 bp->tx_ring_map = NULL;
3270 bnxt_clear_ring_indices(bp);
3274 static int bnxt_alloc_mem(struct bnxt *bp, bool irq_re_init)
3276 int i, j, rc, size, arr_size;
3280 /* Allocate bnapi mem pointer array and mem block for
3283 arr_size = L1_CACHE_ALIGN(sizeof(struct bnxt_napi *) *
3285 size = L1_CACHE_ALIGN(sizeof(struct bnxt_napi));
3286 bnapi = kzalloc(arr_size + size * bp->cp_nr_rings, GFP_KERNEL);
3292 for (i = 0; i < bp->cp_nr_rings; i++, bnapi += size) {
3293 bp->bnapi[i] = bnapi;
3294 bp->bnapi[i]->index = i;
3295 bp->bnapi[i]->bp = bp;
3298 bp->rx_ring = kcalloc(bp->rx_nr_rings,
3299 sizeof(struct bnxt_rx_ring_info),
3304 for (i = 0; i < bp->rx_nr_rings; i++) {
3305 bp->rx_ring[i].bnapi = bp->bnapi[i];
3306 bp->bnapi[i]->rx_ring = &bp->rx_ring[i];
3309 bp->tx_ring = kcalloc(bp->tx_nr_rings,
3310 sizeof(struct bnxt_tx_ring_info),
3315 bp->tx_ring_map = kcalloc(bp->tx_nr_rings, sizeof(u16),
3318 if (!bp->tx_ring_map)
3321 if (bp->flags & BNXT_FLAG_SHARED_RINGS)
3324 j = bp->rx_nr_rings;
3326 for (i = 0; i < bp->tx_nr_rings; i++, j++) {
3327 bp->tx_ring[i].bnapi = bp->bnapi[j];
3328 bp->bnapi[j]->tx_ring = &bp->tx_ring[i];
3329 bp->tx_ring_map[i] = bp->tx_nr_rings_xdp + i;
3330 if (i >= bp->tx_nr_rings_xdp) {
3331 bp->tx_ring[i].txq_index = i -
3332 bp->tx_nr_rings_xdp;
3333 bp->bnapi[j]->tx_int = bnxt_tx_int;
3335 bp->bnapi[j]->flags |= BNXT_NAPI_FLAG_XDP;
3336 bp->bnapi[j]->tx_int = bnxt_tx_int_xdp;
3340 rc = bnxt_alloc_stats(bp);
3344 rc = bnxt_alloc_ntp_fltrs(bp);
3348 rc = bnxt_alloc_vnics(bp);
3353 bnxt_init_ring_struct(bp);
3355 rc = bnxt_alloc_rx_rings(bp);
3359 rc = bnxt_alloc_tx_rings(bp);
3363 rc = bnxt_alloc_cp_rings(bp);
3367 bp->vnic_info[0].flags |= BNXT_VNIC_RSS_FLAG | BNXT_VNIC_MCAST_FLAG |
3368 BNXT_VNIC_UCAST_FLAG;
3369 rc = bnxt_alloc_vnic_attributes(bp);
3375 bnxt_free_mem(bp, true);
3379 static void bnxt_disable_int(struct bnxt *bp)
3386 for (i = 0; i < bp->cp_nr_rings; i++) {
3387 struct bnxt_napi *bnapi = bp->bnapi[i];
3388 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
3389 struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
3391 if (ring->fw_ring_id != INVALID_HW_RING_ID)
3392 BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
3396 static int bnxt_cp_num_to_irq_num(struct bnxt *bp, int n)
3398 struct bnxt_napi *bnapi = bp->bnapi[n];
3399 struct bnxt_cp_ring_info *cpr;
3401 cpr = &bnapi->cp_ring;
3402 return cpr->cp_ring_struct.map_idx;
3405 static void bnxt_disable_int_sync(struct bnxt *bp)
3409 atomic_inc(&bp->intr_sem);
3411 bnxt_disable_int(bp);
3412 for (i = 0; i < bp->cp_nr_rings; i++) {
3413 int map_idx = bnxt_cp_num_to_irq_num(bp, i);
3415 synchronize_irq(bp->irq_tbl[map_idx].vector);
3419 static void bnxt_enable_int(struct bnxt *bp)
3423 atomic_set(&bp->intr_sem, 0);
3424 for (i = 0; i < bp->cp_nr_rings; i++) {
3425 struct bnxt_napi *bnapi = bp->bnapi[i];
3426 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
3428 BNXT_CP_DB_REARM(cpr->cp_doorbell, cpr->cp_raw_cons);
3432 void bnxt_hwrm_cmd_hdr_init(struct bnxt *bp, void *request, u16 req_type,
3433 u16 cmpl_ring, u16 target_id)
3435 struct input *req = request;
3437 req->req_type = cpu_to_le16(req_type);
3438 req->cmpl_ring = cpu_to_le16(cmpl_ring);
3439 req->target_id = cpu_to_le16(target_id);
3440 req->resp_addr = cpu_to_le64(bp->hwrm_cmd_resp_dma_addr);
3443 static int bnxt_hwrm_do_send_msg(struct bnxt *bp, void *msg, u32 msg_len,
3444 int timeout, bool silent)
3446 int i, intr_process, rc, tmo_count;
3447 struct input *req = msg;
3451 u16 cp_ring_id, len = 0;
3452 struct hwrm_err_output *resp = bp->hwrm_cmd_resp_addr;
3453 u16 max_req_len = BNXT_HWRM_MAX_REQ_LEN;
3454 struct hwrm_short_input short_input = {0};
3456 req->seq_id = cpu_to_le16(bp->hwrm_cmd_seq++);
3457 memset(resp, 0, PAGE_SIZE);
3458 cp_ring_id = le16_to_cpu(req->cmpl_ring);
3459 intr_process = (cp_ring_id == INVALID_HW_RING_ID) ? 0 : 1;
3461 if (bp->flags & BNXT_FLAG_SHORT_CMD) {
3462 void *short_cmd_req = bp->hwrm_short_cmd_req_addr;
3464 memcpy(short_cmd_req, req, msg_len);
3465 memset(short_cmd_req + msg_len, 0, BNXT_HWRM_MAX_REQ_LEN -
3468 short_input.req_type = req->req_type;
3469 short_input.signature =
3470 cpu_to_le16(SHORT_REQ_SIGNATURE_SHORT_CMD);
3471 short_input.size = cpu_to_le16(msg_len);
3472 short_input.req_addr =
3473 cpu_to_le64(bp->hwrm_short_cmd_req_dma_addr);
3475 data = (u32 *)&short_input;
3476 msg_len = sizeof(short_input);
3478 /* Sync memory write before updating doorbell */
3481 max_req_len = BNXT_HWRM_SHORT_REQ_LEN;
3484 /* Write request msg to hwrm channel */
3485 __iowrite32_copy(bp->bar0, data, msg_len / 4);
3487 for (i = msg_len; i < max_req_len; i += 4)
3488 writel(0, bp->bar0 + i);
3490 /* currently supports only one outstanding message */
3492 bp->hwrm_intr_seq_id = le16_to_cpu(req->seq_id);
3494 /* Ring channel doorbell */
3495 writel(1, bp->bar0 + 0x100);
3498 timeout = DFLT_HWRM_CMD_TIMEOUT;
3499 /* convert timeout to usec */
3503 /* Short timeout for the first few iterations:
3504 * number of loops = number of loops for short timeout +
3505 * number of loops for standard timeout.
3507 tmo_count = HWRM_SHORT_TIMEOUT_COUNTER;
3508 timeout = timeout - HWRM_SHORT_MIN_TIMEOUT * HWRM_SHORT_TIMEOUT_COUNTER;
3509 tmo_count += DIV_ROUND_UP(timeout, HWRM_MIN_TIMEOUT);
3510 resp_len = bp->hwrm_cmd_resp_addr + HWRM_RESP_LEN_OFFSET;
3512 /* Wait until hwrm response cmpl interrupt is processed */
3513 while (bp->hwrm_intr_seq_id != HWRM_SEQ_ID_INVALID &&
3515 /* on first few passes, just barely sleep */
3516 if (i < HWRM_SHORT_TIMEOUT_COUNTER)
3517 usleep_range(HWRM_SHORT_MIN_TIMEOUT,
3518 HWRM_SHORT_MAX_TIMEOUT);
3520 usleep_range(HWRM_MIN_TIMEOUT,
3524 if (bp->hwrm_intr_seq_id != HWRM_SEQ_ID_INVALID) {
3525 netdev_err(bp->dev, "Resp cmpl intr err msg: 0x%x\n",
3526 le16_to_cpu(req->req_type));
3529 len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
3531 valid = bp->hwrm_cmd_resp_addr + len - 1;
3535 /* Check if response len is updated */
3536 for (i = 0; i < tmo_count; i++) {
3537 len = (le32_to_cpu(*resp_len) & HWRM_RESP_LEN_MASK) >>
3541 /* on first few passes, just barely sleep */
3542 if (i < DFLT_HWRM_CMD_TIMEOUT)
3543 usleep_range(HWRM_SHORT_MIN_TIMEOUT,
3544 HWRM_SHORT_MAX_TIMEOUT);
3546 usleep_range(HWRM_MIN_TIMEOUT,
3550 if (i >= tmo_count) {
3551 netdev_err(bp->dev, "Error (timeout: %d) msg {0x%x 0x%x} len:%d\n",
3552 HWRM_TOTAL_TIMEOUT(i),
3553 le16_to_cpu(req->req_type),
3554 le16_to_cpu(req->seq_id), len);
3558 /* Last byte of resp contains valid bit */
3559 valid = bp->hwrm_cmd_resp_addr + len - 1;
3560 for (j = 0; j < HWRM_VALID_BIT_DELAY_USEC; j++) {
3561 /* make sure we read from updated DMA memory */
3568 if (j >= HWRM_VALID_BIT_DELAY_USEC) {
3569 netdev_err(bp->dev, "Error (timeout: %d) msg {0x%x 0x%x} len:%d v:%d\n",
3570 HWRM_TOTAL_TIMEOUT(i),
3571 le16_to_cpu(req->req_type),
3572 le16_to_cpu(req->seq_id), len, *valid);
3577 /* Zero valid bit for compatibility. Valid bit in an older spec
3578 * may become a new field in a newer spec. We must make sure that
3579 * a new field not implemented by old spec will read zero.
3582 rc = le16_to_cpu(resp->error_code);
3584 netdev_err(bp->dev, "hwrm req_type 0x%x seq id 0x%x error 0x%x\n",
3585 le16_to_cpu(resp->req_type),
3586 le16_to_cpu(resp->seq_id), rc);
3590 int _hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout)
3592 return bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, false);
3595 int _hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 msg_len,
3598 return bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, true);
3601 int hwrm_send_message(struct bnxt *bp, void *msg, u32 msg_len, int timeout)
3605 mutex_lock(&bp->hwrm_cmd_lock);
3606 rc = _hwrm_send_message(bp, msg, msg_len, timeout);
3607 mutex_unlock(&bp->hwrm_cmd_lock);
3611 int hwrm_send_message_silent(struct bnxt *bp, void *msg, u32 msg_len,
3616 mutex_lock(&bp->hwrm_cmd_lock);
3617 rc = bnxt_hwrm_do_send_msg(bp, msg, msg_len, timeout, true);
3618 mutex_unlock(&bp->hwrm_cmd_lock);
3622 int bnxt_hwrm_func_rgtr_async_events(struct bnxt *bp, unsigned long *bmap,
3625 struct hwrm_func_drv_rgtr_input req = {0};
3626 DECLARE_BITMAP(async_events_bmap, 256);
3627 u32 *events = (u32 *)async_events_bmap;
3630 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1);
3633 cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_ASYNC_EVENT_FWD);
3635 memset(async_events_bmap, 0, sizeof(async_events_bmap));
3636 for (i = 0; i < ARRAY_SIZE(bnxt_async_events_arr); i++)
3637 __set_bit(bnxt_async_events_arr[i], async_events_bmap);
3639 if (bmap && bmap_size) {
3640 for (i = 0; i < bmap_size; i++) {
3641 if (test_bit(i, bmap))
3642 __set_bit(i, async_events_bmap);
3646 for (i = 0; i < 8; i++)
3647 req.async_event_fwd[i] |= cpu_to_le32(events[i]);
3649 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3652 static int bnxt_hwrm_func_drv_rgtr(struct bnxt *bp)
3654 struct hwrm_func_drv_rgtr_input req = {0};
3656 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_RGTR, -1, -1);
3659 cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_OS_TYPE |
3660 FUNC_DRV_RGTR_REQ_ENABLES_VER);
3662 req.os_type = cpu_to_le16(FUNC_DRV_RGTR_REQ_OS_TYPE_LINUX);
3663 req.flags = cpu_to_le32(FUNC_DRV_RGTR_REQ_FLAGS_16BIT_VER_MODE);
3664 req.ver_maj_8b = DRV_VER_MAJ;
3665 req.ver_min_8b = DRV_VER_MIN;
3666 req.ver_upd_8b = DRV_VER_UPD;
3667 req.ver_maj = cpu_to_le16(DRV_VER_MAJ);
3668 req.ver_min = cpu_to_le16(DRV_VER_MIN);
3669 req.ver_upd = cpu_to_le16(DRV_VER_UPD);
3675 memset(data, 0, sizeof(data));
3676 for (i = 0; i < ARRAY_SIZE(bnxt_vf_req_snif); i++) {
3677 u16 cmd = bnxt_vf_req_snif[i];
3678 unsigned int bit, idx;
3682 data[idx] |= 1 << bit;
3685 for (i = 0; i < 8; i++)
3686 req.vf_req_fwd[i] = cpu_to_le32(data[i]);
3689 cpu_to_le32(FUNC_DRV_RGTR_REQ_ENABLES_VF_REQ_FWD);
3692 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3695 static int bnxt_hwrm_func_drv_unrgtr(struct bnxt *bp)
3697 struct hwrm_func_drv_unrgtr_input req = {0};
3699 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_DRV_UNRGTR, -1, -1);
3700 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3703 static int bnxt_hwrm_tunnel_dst_port_free(struct bnxt *bp, u8 tunnel_type)
3706 struct hwrm_tunnel_dst_port_free_input req = {0};
3708 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TUNNEL_DST_PORT_FREE, -1, -1);
3709 req.tunnel_type = tunnel_type;
3711 switch (tunnel_type) {
3712 case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN:
3713 req.tunnel_dst_port_id = bp->vxlan_fw_dst_port_id;
3715 case TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE:
3716 req.tunnel_dst_port_id = bp->nge_fw_dst_port_id;
3722 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3724 netdev_err(bp->dev, "hwrm_tunnel_dst_port_free failed. rc:%d\n",
3729 static int bnxt_hwrm_tunnel_dst_port_alloc(struct bnxt *bp, __be16 port,
3733 struct hwrm_tunnel_dst_port_alloc_input req = {0};
3734 struct hwrm_tunnel_dst_port_alloc_output *resp = bp->hwrm_cmd_resp_addr;
3736 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_TUNNEL_DST_PORT_ALLOC, -1, -1);
3738 req.tunnel_type = tunnel_type;
3739 req.tunnel_dst_port_val = port;
3741 mutex_lock(&bp->hwrm_cmd_lock);
3742 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3744 netdev_err(bp->dev, "hwrm_tunnel_dst_port_alloc failed. rc:%d\n",
3749 switch (tunnel_type) {
3750 case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_VXLAN:
3751 bp->vxlan_fw_dst_port_id = resp->tunnel_dst_port_id;
3753 case TUNNEL_DST_PORT_ALLOC_REQ_TUNNEL_TYPE_GENEVE:
3754 bp->nge_fw_dst_port_id = resp->tunnel_dst_port_id;
3761 mutex_unlock(&bp->hwrm_cmd_lock);
3765 static int bnxt_hwrm_cfa_l2_set_rx_mask(struct bnxt *bp, u16 vnic_id)
3767 struct hwrm_cfa_l2_set_rx_mask_input req = {0};
3768 struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
3770 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_SET_RX_MASK, -1, -1);
3771 req.vnic_id = cpu_to_le32(vnic->fw_vnic_id);
3773 req.num_mc_entries = cpu_to_le32(vnic->mc_list_count);
3774 req.mc_tbl_addr = cpu_to_le64(vnic->mc_list_mapping);
3775 req.mask = cpu_to_le32(vnic->rx_mask);
3776 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3779 #ifdef CONFIG_RFS_ACCEL
3780 static int bnxt_hwrm_cfa_ntuple_filter_free(struct bnxt *bp,
3781 struct bnxt_ntuple_filter *fltr)
3783 struct hwrm_cfa_ntuple_filter_free_input req = {0};
3785 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_FREE, -1, -1);
3786 req.ntuple_filter_id = fltr->filter_id;
3787 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3790 #define BNXT_NTP_FLTR_FLAGS \
3791 (CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_L2_FILTER_ID | \
3792 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_ETHERTYPE | \
3793 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_MACADDR | \
3794 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_IPADDR_TYPE | \
3795 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_IPADDR | \
3796 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_IPADDR_MASK | \
3797 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_IPADDR | \
3798 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_IPADDR_MASK | \
3799 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_IP_PROTOCOL | \
3800 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_PORT | \
3801 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_SRC_PORT_MASK | \
3802 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_PORT | \
3803 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_PORT_MASK | \
3804 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_DST_ID)
3806 #define BNXT_NTP_TUNNEL_FLTR_FLAG \
3807 CFA_NTUPLE_FILTER_ALLOC_REQ_ENABLES_TUNNEL_TYPE
3809 static int bnxt_hwrm_cfa_ntuple_filter_alloc(struct bnxt *bp,
3810 struct bnxt_ntuple_filter *fltr)
3813 struct hwrm_cfa_ntuple_filter_alloc_input req = {0};
3814 struct hwrm_cfa_ntuple_filter_alloc_output *resp =
3815 bp->hwrm_cmd_resp_addr;
3816 struct flow_keys *keys = &fltr->fkeys;
3817 struct bnxt_vnic_info *vnic = &bp->vnic_info[fltr->rxq + 1];
3819 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_NTUPLE_FILTER_ALLOC, -1, -1);
3820 req.l2_filter_id = bp->vnic_info[0].fw_l2_filter_id[fltr->l2_fltr_idx];
3822 req.enables = cpu_to_le32(BNXT_NTP_FLTR_FLAGS);
3824 req.ethertype = htons(ETH_P_IP);
3825 memcpy(req.src_macaddr, fltr->src_mac_addr, ETH_ALEN);
3826 req.ip_addr_type = CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV4;
3827 req.ip_protocol = keys->basic.ip_proto;
3829 if (keys->basic.n_proto == htons(ETH_P_IPV6)) {
3832 req.ethertype = htons(ETH_P_IPV6);
3834 CFA_NTUPLE_FILTER_ALLOC_REQ_IP_ADDR_TYPE_IPV6;
3835 *(struct in6_addr *)&req.src_ipaddr[0] =
3836 keys->addrs.v6addrs.src;
3837 *(struct in6_addr *)&req.dst_ipaddr[0] =
3838 keys->addrs.v6addrs.dst;
3839 for (i = 0; i < 4; i++) {
3840 req.src_ipaddr_mask[i] = cpu_to_be32(0xffffffff);
3841 req.dst_ipaddr_mask[i] = cpu_to_be32(0xffffffff);
3844 req.src_ipaddr[0] = keys->addrs.v4addrs.src;
3845 req.src_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
3846 req.dst_ipaddr[0] = keys->addrs.v4addrs.dst;
3847 req.dst_ipaddr_mask[0] = cpu_to_be32(0xffffffff);
3849 if (keys->control.flags & FLOW_DIS_ENCAPSULATION) {
3850 req.enables |= cpu_to_le32(BNXT_NTP_TUNNEL_FLTR_FLAG);
3852 CFA_NTUPLE_FILTER_ALLOC_REQ_TUNNEL_TYPE_ANYTUNNEL;
3855 req.src_port = keys->ports.src;
3856 req.src_port_mask = cpu_to_be16(0xffff);
3857 req.dst_port = keys->ports.dst;
3858 req.dst_port_mask = cpu_to_be16(0xffff);
3860 req.dst_id = cpu_to_le16(vnic->fw_vnic_id);
3861 mutex_lock(&bp->hwrm_cmd_lock);
3862 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3864 fltr->filter_id = resp->ntuple_filter_id;
3865 mutex_unlock(&bp->hwrm_cmd_lock);
3870 static int bnxt_hwrm_set_vnic_filter(struct bnxt *bp, u16 vnic_id, u16 idx,
3874 struct hwrm_cfa_l2_filter_alloc_input req = {0};
3875 struct hwrm_cfa_l2_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr;
3877 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_FILTER_ALLOC, -1, -1);
3878 req.flags = cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_FLAGS_PATH_RX);
3879 if (!BNXT_CHIP_TYPE_NITRO_A0(bp))
3881 cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_FLAGS_OUTERMOST);
3882 req.dst_id = cpu_to_le16(bp->vnic_info[vnic_id].fw_vnic_id);
3884 cpu_to_le32(CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR |
3885 CFA_L2_FILTER_ALLOC_REQ_ENABLES_DST_ID |
3886 CFA_L2_FILTER_ALLOC_REQ_ENABLES_L2_ADDR_MASK);
3887 memcpy(req.l2_addr, mac_addr, ETH_ALEN);
3888 req.l2_addr_mask[0] = 0xff;
3889 req.l2_addr_mask[1] = 0xff;
3890 req.l2_addr_mask[2] = 0xff;
3891 req.l2_addr_mask[3] = 0xff;
3892 req.l2_addr_mask[4] = 0xff;
3893 req.l2_addr_mask[5] = 0xff;
3895 mutex_lock(&bp->hwrm_cmd_lock);
3896 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3898 bp->vnic_info[vnic_id].fw_l2_filter_id[idx] =
3900 mutex_unlock(&bp->hwrm_cmd_lock);
3904 static int bnxt_hwrm_clear_vnic_filter(struct bnxt *bp)
3906 u16 i, j, num_of_vnics = 1; /* only vnic 0 supported */
3909 /* Any associated ntuple filters will also be cleared by firmware. */
3910 mutex_lock(&bp->hwrm_cmd_lock);
3911 for (i = 0; i < num_of_vnics; i++) {
3912 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
3914 for (j = 0; j < vnic->uc_filter_count; j++) {
3915 struct hwrm_cfa_l2_filter_free_input req = {0};
3917 bnxt_hwrm_cmd_hdr_init(bp, &req,
3918 HWRM_CFA_L2_FILTER_FREE, -1, -1);
3920 req.l2_filter_id = vnic->fw_l2_filter_id[j];
3922 rc = _hwrm_send_message(bp, &req, sizeof(req),
3925 vnic->uc_filter_count = 0;
3927 mutex_unlock(&bp->hwrm_cmd_lock);
3932 static int bnxt_hwrm_vnic_set_tpa(struct bnxt *bp, u16 vnic_id, u32 tpa_flags)
3934 struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
3935 struct hwrm_vnic_tpa_cfg_input req = {0};
3937 if (vnic->fw_vnic_id == INVALID_HW_RING_ID)
3940 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_TPA_CFG, -1, -1);
3943 u16 mss = bp->dev->mtu - 40;
3944 u32 nsegs, n, segs = 0, flags;
3946 flags = VNIC_TPA_CFG_REQ_FLAGS_TPA |
3947 VNIC_TPA_CFG_REQ_FLAGS_ENCAP_TPA |
3948 VNIC_TPA_CFG_REQ_FLAGS_RSC_WND_UPDATE |
3949 VNIC_TPA_CFG_REQ_FLAGS_AGG_WITH_ECN |
3950 VNIC_TPA_CFG_REQ_FLAGS_AGG_WITH_SAME_GRE_SEQ;
3951 if (tpa_flags & BNXT_FLAG_GRO)
3952 flags |= VNIC_TPA_CFG_REQ_FLAGS_GRO;
3954 req.flags = cpu_to_le32(flags);
3957 cpu_to_le32(VNIC_TPA_CFG_REQ_ENABLES_MAX_AGG_SEGS |
3958 VNIC_TPA_CFG_REQ_ENABLES_MAX_AGGS |
3959 VNIC_TPA_CFG_REQ_ENABLES_MIN_AGG_LEN);
3961 /* Number of segs are log2 units, and first packet is not
3962 * included as part of this units.
3964 if (mss <= BNXT_RX_PAGE_SIZE) {
3965 n = BNXT_RX_PAGE_SIZE / mss;
3966 nsegs = (MAX_SKB_FRAGS - 1) * n;
3968 n = mss / BNXT_RX_PAGE_SIZE;
3969 if (mss & (BNXT_RX_PAGE_SIZE - 1))
3971 nsegs = (MAX_SKB_FRAGS - n) / n;
3974 segs = ilog2(nsegs);
3975 req.max_agg_segs = cpu_to_le16(segs);
3976 req.max_aggs = cpu_to_le16(VNIC_TPA_CFG_REQ_MAX_AGGS_MAX);
3978 req.min_agg_len = cpu_to_le32(512);
3980 req.vnic_id = cpu_to_le16(vnic->fw_vnic_id);
3982 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3985 static int bnxt_hwrm_vnic_set_rss(struct bnxt *bp, u16 vnic_id, bool set_rss)
3987 u32 i, j, max_rings;
3988 struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
3989 struct hwrm_vnic_rss_cfg_input req = {0};
3991 if (vnic->fw_rss_cos_lb_ctx[0] == INVALID_HW_RING_ID)
3994 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_CFG, -1, -1);
3996 req.hash_type = cpu_to_le32(bp->rss_hash_cfg);
3997 if (vnic->flags & BNXT_VNIC_RSS_FLAG) {
3998 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
3999 max_rings = bp->rx_nr_rings - 1;
4001 max_rings = bp->rx_nr_rings;
4006 /* Fill the RSS indirection table with ring group ids */
4007 for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++, j++) {
4010 vnic->rss_table[i] = cpu_to_le16(vnic->fw_grp_ids[j]);
4013 req.ring_grp_tbl_addr = cpu_to_le64(vnic->rss_table_dma_addr);
4014 req.hash_key_tbl_addr =
4015 cpu_to_le64(vnic->rss_hash_key_dma_addr);
4017 req.rss_ctx_idx = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[0]);
4018 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4021 static int bnxt_hwrm_vnic_set_hds(struct bnxt *bp, u16 vnic_id)
4023 struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
4024 struct hwrm_vnic_plcmodes_cfg_input req = {0};
4026 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_PLCMODES_CFG, -1, -1);
4027 req.flags = cpu_to_le32(VNIC_PLCMODES_CFG_REQ_FLAGS_JUMBO_PLACEMENT |
4028 VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV4 |
4029 VNIC_PLCMODES_CFG_REQ_FLAGS_HDS_IPV6);
4031 cpu_to_le32(VNIC_PLCMODES_CFG_REQ_ENABLES_JUMBO_THRESH_VALID |
4032 VNIC_PLCMODES_CFG_REQ_ENABLES_HDS_THRESHOLD_VALID);
4033 /* thresholds not implemented in firmware yet */
4034 req.jumbo_thresh = cpu_to_le16(bp->rx_copy_thresh);
4035 req.hds_threshold = cpu_to_le16(bp->rx_copy_thresh);
4036 req.vnic_id = cpu_to_le32(vnic->fw_vnic_id);
4037 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4040 static void bnxt_hwrm_vnic_ctx_free_one(struct bnxt *bp, u16 vnic_id,
4043 struct hwrm_vnic_rss_cos_lb_ctx_free_input req = {0};
4045 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_COS_LB_CTX_FREE, -1, -1);
4046 req.rss_cos_lb_ctx_id =
4047 cpu_to_le16(bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx]);
4049 hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4050 bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx] = INVALID_HW_RING_ID;
4053 static void bnxt_hwrm_vnic_ctx_free(struct bnxt *bp)
4057 for (i = 0; i < bp->nr_vnics; i++) {
4058 struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
4060 for (j = 0; j < BNXT_MAX_CTX_PER_VNIC; j++) {
4061 if (vnic->fw_rss_cos_lb_ctx[j] != INVALID_HW_RING_ID)
4062 bnxt_hwrm_vnic_ctx_free_one(bp, i, j);
4065 bp->rsscos_nr_ctxs = 0;
4068 static int bnxt_hwrm_vnic_ctx_alloc(struct bnxt *bp, u16 vnic_id, u16 ctx_idx)
4071 struct hwrm_vnic_rss_cos_lb_ctx_alloc_input req = {0};
4072 struct hwrm_vnic_rss_cos_lb_ctx_alloc_output *resp =
4073 bp->hwrm_cmd_resp_addr;
4075 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_RSS_COS_LB_CTX_ALLOC, -1,
4078 mutex_lock(&bp->hwrm_cmd_lock);
4079 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4081 bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[ctx_idx] =
4082 le16_to_cpu(resp->rss_cos_lb_ctx_id);
4083 mutex_unlock(&bp->hwrm_cmd_lock);
4088 static u32 bnxt_get_roce_vnic_mode(struct bnxt *bp)
4090 if (bp->flags & BNXT_FLAG_ROCE_MIRROR_CAP)
4091 return VNIC_CFG_REQ_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_MODE;
4092 return VNIC_CFG_REQ_FLAGS_ROCE_DUAL_VNIC_MODE;
4095 int bnxt_hwrm_vnic_cfg(struct bnxt *bp, u16 vnic_id)
4097 unsigned int ring = 0, grp_idx;
4098 struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
4099 struct hwrm_vnic_cfg_input req = {0};
4102 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_CFG, -1, -1);
4104 req.enables = cpu_to_le32(VNIC_CFG_REQ_ENABLES_DFLT_RING_GRP);
4105 /* Only RSS support for now TBD: COS & LB */
4106 if (vnic->fw_rss_cos_lb_ctx[0] != INVALID_HW_RING_ID) {
4107 req.rss_rule = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[0]);
4108 req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_RSS_RULE |
4109 VNIC_CFG_REQ_ENABLES_MRU);
4110 } else if (vnic->flags & BNXT_VNIC_RFS_NEW_RSS_FLAG) {
4112 cpu_to_le16(bp->vnic_info[0].fw_rss_cos_lb_ctx[0]);
4113 req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_RSS_RULE |
4114 VNIC_CFG_REQ_ENABLES_MRU);
4115 req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_RSS_DFLT_CR_MODE);
4117 req.rss_rule = cpu_to_le16(0xffff);
4120 if (BNXT_CHIP_TYPE_NITRO_A0(bp) &&
4121 (vnic->fw_rss_cos_lb_ctx[0] != INVALID_HW_RING_ID)) {
4122 req.cos_rule = cpu_to_le16(vnic->fw_rss_cos_lb_ctx[1]);
4123 req.enables |= cpu_to_le32(VNIC_CFG_REQ_ENABLES_COS_RULE);
4125 req.cos_rule = cpu_to_le16(0xffff);
4128 if (vnic->flags & BNXT_VNIC_RSS_FLAG)
4130 else if (vnic->flags & BNXT_VNIC_RFS_FLAG)
4132 else if ((vnic_id == 1) && BNXT_CHIP_TYPE_NITRO_A0(bp))
4133 ring = bp->rx_nr_rings - 1;
4135 grp_idx = bp->rx_ring[ring].bnapi->index;
4136 req.vnic_id = cpu_to_le16(vnic->fw_vnic_id);
4137 req.dflt_ring_grp = cpu_to_le16(bp->grp_info[grp_idx].fw_grp_id);
4139 req.lb_rule = cpu_to_le16(0xffff);
4140 req.mru = cpu_to_le16(bp->dev->mtu + ETH_HLEN + ETH_FCS_LEN +
4143 #ifdef CONFIG_BNXT_SRIOV
4145 def_vlan = bp->vf.vlan;
4147 if ((bp->flags & BNXT_FLAG_STRIP_VLAN) || def_vlan)
4148 req.flags |= cpu_to_le32(VNIC_CFG_REQ_FLAGS_VLAN_STRIP_MODE);
4149 if (!vnic_id && bnxt_ulp_registered(bp->edev, BNXT_ROCE_ULP))
4150 req.flags |= cpu_to_le32(bnxt_get_roce_vnic_mode(bp));
4152 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4155 static int bnxt_hwrm_vnic_free_one(struct bnxt *bp, u16 vnic_id)
4159 if (bp->vnic_info[vnic_id].fw_vnic_id != INVALID_HW_RING_ID) {
4160 struct hwrm_vnic_free_input req = {0};
4162 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_FREE, -1, -1);
4164 cpu_to_le32(bp->vnic_info[vnic_id].fw_vnic_id);
4166 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4169 bp->vnic_info[vnic_id].fw_vnic_id = INVALID_HW_RING_ID;
4174 static void bnxt_hwrm_vnic_free(struct bnxt *bp)
4178 for (i = 0; i < bp->nr_vnics; i++)
4179 bnxt_hwrm_vnic_free_one(bp, i);
4182 static int bnxt_hwrm_vnic_alloc(struct bnxt *bp, u16 vnic_id,
4183 unsigned int start_rx_ring_idx,
4184 unsigned int nr_rings)
4187 unsigned int i, j, grp_idx, end_idx = start_rx_ring_idx + nr_rings;
4188 struct hwrm_vnic_alloc_input req = {0};
4189 struct hwrm_vnic_alloc_output *resp = bp->hwrm_cmd_resp_addr;
4191 /* map ring groups to this vnic */
4192 for (i = start_rx_ring_idx, j = 0; i < end_idx; i++, j++) {
4193 grp_idx = bp->rx_ring[i].bnapi->index;
4194 if (bp->grp_info[grp_idx].fw_grp_id == INVALID_HW_RING_ID) {
4195 netdev_err(bp->dev, "Not enough ring groups avail:%x req:%x\n",
4199 bp->vnic_info[vnic_id].fw_grp_ids[j] =
4200 bp->grp_info[grp_idx].fw_grp_id;
4203 bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[0] = INVALID_HW_RING_ID;
4204 bp->vnic_info[vnic_id].fw_rss_cos_lb_ctx[1] = INVALID_HW_RING_ID;
4206 req.flags = cpu_to_le32(VNIC_ALLOC_REQ_FLAGS_DEFAULT);
4208 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_ALLOC, -1, -1);
4210 mutex_lock(&bp->hwrm_cmd_lock);
4211 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4213 bp->vnic_info[vnic_id].fw_vnic_id = le32_to_cpu(resp->vnic_id);
4214 mutex_unlock(&bp->hwrm_cmd_lock);
4218 static int bnxt_hwrm_vnic_qcaps(struct bnxt *bp)
4220 struct hwrm_vnic_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
4221 struct hwrm_vnic_qcaps_input req = {0};
4224 if (bp->hwrm_spec_code < 0x10600)
4227 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VNIC_QCAPS, -1, -1);
4228 mutex_lock(&bp->hwrm_cmd_lock);
4229 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4231 u32 flags = le32_to_cpu(resp->flags);
4233 if (flags & VNIC_QCAPS_RESP_FLAGS_RSS_DFLT_CR_CAP)
4234 bp->flags |= BNXT_FLAG_NEW_RSS_CAP;
4236 VNIC_QCAPS_RESP_FLAGS_ROCE_MIRRORING_CAPABLE_VNIC_CAP)
4237 bp->flags |= BNXT_FLAG_ROCE_MIRROR_CAP;
4239 mutex_unlock(&bp->hwrm_cmd_lock);
4243 static int bnxt_hwrm_ring_grp_alloc(struct bnxt *bp)
4248 mutex_lock(&bp->hwrm_cmd_lock);
4249 for (i = 0; i < bp->rx_nr_rings; i++) {
4250 struct hwrm_ring_grp_alloc_input req = {0};
4251 struct hwrm_ring_grp_alloc_output *resp =
4252 bp->hwrm_cmd_resp_addr;
4253 unsigned int grp_idx = bp->rx_ring[i].bnapi->index;
4255 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_ALLOC, -1, -1);
4257 req.cr = cpu_to_le16(bp->grp_info[grp_idx].cp_fw_ring_id);
4258 req.rr = cpu_to_le16(bp->grp_info[grp_idx].rx_fw_ring_id);
4259 req.ar = cpu_to_le16(bp->grp_info[grp_idx].agg_fw_ring_id);
4260 req.sc = cpu_to_le16(bp->grp_info[grp_idx].fw_stats_ctx);
4262 rc = _hwrm_send_message(bp, &req, sizeof(req),
4267 bp->grp_info[grp_idx].fw_grp_id =
4268 le32_to_cpu(resp->ring_group_id);
4270 mutex_unlock(&bp->hwrm_cmd_lock);
4274 static int bnxt_hwrm_ring_grp_free(struct bnxt *bp)
4278 struct hwrm_ring_grp_free_input req = {0};
4283 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_GRP_FREE, -1, -1);
4285 mutex_lock(&bp->hwrm_cmd_lock);
4286 for (i = 0; i < bp->cp_nr_rings; i++) {
4287 if (bp->grp_info[i].fw_grp_id == INVALID_HW_RING_ID)
4290 cpu_to_le32(bp->grp_info[i].fw_grp_id);
4292 rc = _hwrm_send_message(bp, &req, sizeof(req),
4296 bp->grp_info[i].fw_grp_id = INVALID_HW_RING_ID;
4298 mutex_unlock(&bp->hwrm_cmd_lock);
4302 static int hwrm_ring_alloc_send_msg(struct bnxt *bp,
4303 struct bnxt_ring_struct *ring,
4304 u32 ring_type, u32 map_index)
4306 int rc = 0, err = 0;
4307 struct hwrm_ring_alloc_input req = {0};
4308 struct hwrm_ring_alloc_output *resp = bp->hwrm_cmd_resp_addr;
4309 struct bnxt_ring_grp_info *grp_info;
4312 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_ALLOC, -1, -1);
4315 if (ring->nr_pages > 1) {
4316 req.page_tbl_addr = cpu_to_le64(ring->pg_tbl_map);
4317 /* Page size is in log2 units */
4318 req.page_size = BNXT_PAGE_SHIFT;
4319 req.page_tbl_depth = 1;
4321 req.page_tbl_addr = cpu_to_le64(ring->dma_arr[0]);
4324 /* Association of ring index with doorbell index and MSIX number */
4325 req.logical_id = cpu_to_le16(map_index);
4327 switch (ring_type) {
4328 case HWRM_RING_ALLOC_TX:
4329 req.ring_type = RING_ALLOC_REQ_RING_TYPE_TX;
4330 /* Association of transmit ring with completion ring */
4331 grp_info = &bp->grp_info[ring->grp_idx];
4332 req.cmpl_ring_id = cpu_to_le16(grp_info->cp_fw_ring_id);
4333 req.length = cpu_to_le32(bp->tx_ring_mask + 1);
4334 req.stat_ctx_id = cpu_to_le32(grp_info->fw_stats_ctx);
4335 req.queue_id = cpu_to_le16(ring->queue_id);
4337 case HWRM_RING_ALLOC_RX:
4338 req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX;
4339 req.length = cpu_to_le32(bp->rx_ring_mask + 1);
4341 case HWRM_RING_ALLOC_AGG:
4342 req.ring_type = RING_ALLOC_REQ_RING_TYPE_RX;
4343 req.length = cpu_to_le32(bp->rx_agg_ring_mask + 1);
4345 case HWRM_RING_ALLOC_CMPL:
4346 req.ring_type = RING_ALLOC_REQ_RING_TYPE_L2_CMPL;
4347 req.length = cpu_to_le32(bp->cp_ring_mask + 1);
4348 if (bp->flags & BNXT_FLAG_USING_MSIX)
4349 req.int_mode = RING_ALLOC_REQ_INT_MODE_MSIX;
4352 netdev_err(bp->dev, "hwrm alloc invalid ring type %d\n",
4357 mutex_lock(&bp->hwrm_cmd_lock);
4358 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4359 err = le16_to_cpu(resp->error_code);
4360 ring_id = le16_to_cpu(resp->ring_id);
4361 mutex_unlock(&bp->hwrm_cmd_lock);
4364 netdev_err(bp->dev, "hwrm_ring_alloc type %d failed. rc:%x err:%x\n",
4365 ring_type, rc, err);
4368 ring->fw_ring_id = ring_id;
4372 static int bnxt_hwrm_set_async_event_cr(struct bnxt *bp, int idx)
4377 struct hwrm_func_cfg_input req = {0};
4379 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
4380 req.fid = cpu_to_le16(0xffff);
4381 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_ASYNC_EVENT_CR);
4382 req.async_event_cr = cpu_to_le16(idx);
4383 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4385 struct hwrm_func_vf_cfg_input req = {0};
4387 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_VF_CFG, -1, -1);
4389 cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_ASYNC_EVENT_CR);
4390 req.async_event_cr = cpu_to_le16(idx);
4391 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4396 static int bnxt_hwrm_ring_alloc(struct bnxt *bp)
4400 for (i = 0; i < bp->cp_nr_rings; i++) {
4401 struct bnxt_napi *bnapi = bp->bnapi[i];
4402 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
4403 struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
4404 u32 map_idx = ring->map_idx;
4406 cpr->cp_doorbell = bp->bar1 + map_idx * 0x80;
4407 rc = hwrm_ring_alloc_send_msg(bp, ring, HWRM_RING_ALLOC_CMPL,
4411 BNXT_CP_DB(cpr->cp_doorbell, cpr->cp_raw_cons);
4412 bp->grp_info[i].cp_fw_ring_id = ring->fw_ring_id;
4415 rc = bnxt_hwrm_set_async_event_cr(bp, ring->fw_ring_id);
4417 netdev_warn(bp->dev, "Failed to set async event completion ring.\n");
4421 for (i = 0; i < bp->tx_nr_rings; i++) {
4422 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
4423 struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
4426 rc = hwrm_ring_alloc_send_msg(bp, ring, HWRM_RING_ALLOC_TX,
4430 txr->tx_doorbell = bp->bar1 + map_idx * 0x80;
4433 for (i = 0; i < bp->rx_nr_rings; i++) {
4434 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
4435 struct bnxt_ring_struct *ring = &rxr->rx_ring_struct;
4436 u32 map_idx = rxr->bnapi->index;
4438 rc = hwrm_ring_alloc_send_msg(bp, ring, HWRM_RING_ALLOC_RX,
4442 rxr->rx_doorbell = bp->bar1 + map_idx * 0x80;
4443 writel(DB_KEY_RX | rxr->rx_prod, rxr->rx_doorbell);
4444 bp->grp_info[map_idx].rx_fw_ring_id = ring->fw_ring_id;
4447 if (bp->flags & BNXT_FLAG_AGG_RINGS) {
4448 for (i = 0; i < bp->rx_nr_rings; i++) {
4449 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
4450 struct bnxt_ring_struct *ring =
4451 &rxr->rx_agg_ring_struct;
4452 u32 grp_idx = ring->grp_idx;
4453 u32 map_idx = grp_idx + bp->rx_nr_rings;
4455 rc = hwrm_ring_alloc_send_msg(bp, ring,
4456 HWRM_RING_ALLOC_AGG,
4461 rxr->rx_agg_doorbell = bp->bar1 + map_idx * 0x80;
4462 writel(DB_KEY_RX | rxr->rx_agg_prod,
4463 rxr->rx_agg_doorbell);
4464 bp->grp_info[grp_idx].agg_fw_ring_id = ring->fw_ring_id;
4471 static int hwrm_ring_free_send_msg(struct bnxt *bp,
4472 struct bnxt_ring_struct *ring,
4473 u32 ring_type, int cmpl_ring_id)
4476 struct hwrm_ring_free_input req = {0};
4477 struct hwrm_ring_free_output *resp = bp->hwrm_cmd_resp_addr;
4480 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_RING_FREE, cmpl_ring_id, -1);
4481 req.ring_type = ring_type;
4482 req.ring_id = cpu_to_le16(ring->fw_ring_id);
4484 mutex_lock(&bp->hwrm_cmd_lock);
4485 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4486 error_code = le16_to_cpu(resp->error_code);
4487 mutex_unlock(&bp->hwrm_cmd_lock);
4489 if (rc || error_code) {
4490 netdev_err(bp->dev, "hwrm_ring_free type %d failed. rc:%x err:%x\n",
4491 ring_type, rc, error_code);
4497 static void bnxt_hwrm_ring_free(struct bnxt *bp, bool close_path)
4504 for (i = 0; i < bp->tx_nr_rings; i++) {
4505 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
4506 struct bnxt_ring_struct *ring = &txr->tx_ring_struct;
4507 u32 grp_idx = txr->bnapi->index;
4508 u32 cmpl_ring_id = bp->grp_info[grp_idx].cp_fw_ring_id;
4510 if (ring->fw_ring_id != INVALID_HW_RING_ID) {
4511 hwrm_ring_free_send_msg(bp, ring,
4512 RING_FREE_REQ_RING_TYPE_TX,
4513 close_path ? cmpl_ring_id :
4514 INVALID_HW_RING_ID);
4515 ring->fw_ring_id = INVALID_HW_RING_ID;
4519 for (i = 0; i < bp->rx_nr_rings; i++) {
4520 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
4521 struct bnxt_ring_struct *ring = &rxr->rx_ring_struct;
4522 u32 grp_idx = rxr->bnapi->index;
4523 u32 cmpl_ring_id = bp->grp_info[grp_idx].cp_fw_ring_id;
4525 if (ring->fw_ring_id != INVALID_HW_RING_ID) {
4526 hwrm_ring_free_send_msg(bp, ring,
4527 RING_FREE_REQ_RING_TYPE_RX,
4528 close_path ? cmpl_ring_id :
4529 INVALID_HW_RING_ID);
4530 ring->fw_ring_id = INVALID_HW_RING_ID;
4531 bp->grp_info[grp_idx].rx_fw_ring_id =
4536 for (i = 0; i < bp->rx_nr_rings; i++) {
4537 struct bnxt_rx_ring_info *rxr = &bp->rx_ring[i];
4538 struct bnxt_ring_struct *ring = &rxr->rx_agg_ring_struct;
4539 u32 grp_idx = rxr->bnapi->index;
4540 u32 cmpl_ring_id = bp->grp_info[grp_idx].cp_fw_ring_id;
4542 if (ring->fw_ring_id != INVALID_HW_RING_ID) {
4543 hwrm_ring_free_send_msg(bp, ring,
4544 RING_FREE_REQ_RING_TYPE_RX,
4545 close_path ? cmpl_ring_id :
4546 INVALID_HW_RING_ID);
4547 ring->fw_ring_id = INVALID_HW_RING_ID;
4548 bp->grp_info[grp_idx].agg_fw_ring_id =
4553 /* The completion rings are about to be freed. After that the
4554 * IRQ doorbell will not work anymore. So we need to disable
4557 bnxt_disable_int_sync(bp);
4559 for (i = 0; i < bp->cp_nr_rings; i++) {
4560 struct bnxt_napi *bnapi = bp->bnapi[i];
4561 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
4562 struct bnxt_ring_struct *ring = &cpr->cp_ring_struct;
4564 if (ring->fw_ring_id != INVALID_HW_RING_ID) {
4565 hwrm_ring_free_send_msg(bp, ring,
4566 RING_FREE_REQ_RING_TYPE_L2_CMPL,
4567 INVALID_HW_RING_ID);
4568 ring->fw_ring_id = INVALID_HW_RING_ID;
4569 bp->grp_info[i].cp_fw_ring_id = INVALID_HW_RING_ID;
4574 static int bnxt_hwrm_get_rings(struct bnxt *bp)
4576 struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
4577 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
4578 struct hwrm_func_qcfg_input req = {0};
4581 if (bp->hwrm_spec_code < 0x10601)
4584 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
4585 req.fid = cpu_to_le16(0xffff);
4586 mutex_lock(&bp->hwrm_cmd_lock);
4587 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4589 mutex_unlock(&bp->hwrm_cmd_lock);
4593 hw_resc->resv_tx_rings = le16_to_cpu(resp->alloc_tx_rings);
4594 if (bp->flags & BNXT_FLAG_NEW_RM) {
4597 hw_resc->resv_rx_rings = le16_to_cpu(resp->alloc_rx_rings);
4598 hw_resc->resv_hw_ring_grps =
4599 le32_to_cpu(resp->alloc_hw_ring_grps);
4600 hw_resc->resv_vnics = le16_to_cpu(resp->alloc_vnics);
4601 cp = le16_to_cpu(resp->alloc_cmpl_rings);
4602 stats = le16_to_cpu(resp->alloc_stat_ctx);
4603 cp = min_t(u16, cp, stats);
4604 hw_resc->resv_cp_rings = cp;
4606 mutex_unlock(&bp->hwrm_cmd_lock);
4610 /* Caller must hold bp->hwrm_cmd_lock */
4611 int __bnxt_hwrm_get_tx_rings(struct bnxt *bp, u16 fid, int *tx_rings)
4613 struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
4614 struct hwrm_func_qcfg_input req = {0};
4617 if (bp->hwrm_spec_code < 0x10601)
4620 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
4621 req.fid = cpu_to_le16(fid);
4622 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4624 *tx_rings = le16_to_cpu(resp->alloc_tx_rings);
4630 __bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, struct hwrm_func_cfg_input *req,
4631 int tx_rings, int rx_rings, int ring_grps,
4632 int cp_rings, int vnics)
4636 bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_CFG, -1, -1);
4637 req->fid = cpu_to_le16(0xffff);
4638 enables |= tx_rings ? FUNC_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
4639 req->num_tx_rings = cpu_to_le16(tx_rings);
4640 if (bp->flags & BNXT_FLAG_NEW_RM) {
4641 enables |= rx_rings ? FUNC_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
4642 enables |= cp_rings ? FUNC_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
4643 FUNC_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
4644 enables |= ring_grps ?
4645 FUNC_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
4646 enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
4648 req->num_rx_rings = cpu_to_le16(rx_rings);
4649 req->num_hw_ring_grps = cpu_to_le16(ring_grps);
4650 req->num_cmpl_rings = cpu_to_le16(cp_rings);
4651 req->num_stat_ctxs = req->num_cmpl_rings;
4652 req->num_vnics = cpu_to_le16(vnics);
4654 req->enables = cpu_to_le32(enables);
4658 __bnxt_hwrm_reserve_vf_rings(struct bnxt *bp,
4659 struct hwrm_func_vf_cfg_input *req, int tx_rings,
4660 int rx_rings, int ring_grps, int cp_rings,
4665 bnxt_hwrm_cmd_hdr_init(bp, req, HWRM_FUNC_VF_CFG, -1, -1);
4666 enables |= tx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_TX_RINGS : 0;
4667 enables |= rx_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_RX_RINGS : 0;
4668 enables |= cp_rings ? FUNC_VF_CFG_REQ_ENABLES_NUM_CMPL_RINGS |
4669 FUNC_VF_CFG_REQ_ENABLES_NUM_STAT_CTXS : 0;
4670 enables |= ring_grps ? FUNC_VF_CFG_REQ_ENABLES_NUM_HW_RING_GRPS : 0;
4671 enables |= vnics ? FUNC_VF_CFG_REQ_ENABLES_NUM_VNICS : 0;
4673 req->num_tx_rings = cpu_to_le16(tx_rings);
4674 req->num_rx_rings = cpu_to_le16(rx_rings);
4675 req->num_hw_ring_grps = cpu_to_le16(ring_grps);
4676 req->num_cmpl_rings = cpu_to_le16(cp_rings);
4677 req->num_stat_ctxs = req->num_cmpl_rings;
4678 req->num_vnics = cpu_to_le16(vnics);
4680 req->enables = cpu_to_le32(enables);
4684 bnxt_hwrm_reserve_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
4685 int ring_grps, int cp_rings, int vnics)
4687 struct hwrm_func_cfg_input req = {0};
4690 __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
4695 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4699 if (bp->hwrm_spec_code < 0x10601)
4700 bp->hw_resc.resv_tx_rings = tx_rings;
4702 rc = bnxt_hwrm_get_rings(bp);
4707 bnxt_hwrm_reserve_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
4708 int ring_grps, int cp_rings, int vnics)
4710 struct hwrm_func_vf_cfg_input req = {0};
4713 if (!(bp->flags & BNXT_FLAG_NEW_RM)) {
4714 bp->hw_resc.resv_tx_rings = tx_rings;
4718 __bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
4720 req.enables |= cpu_to_le32(FUNC_VF_CFG_REQ_ENABLES_NUM_RSSCOS_CTXS |
4721 FUNC_VF_CFG_REQ_ENABLES_NUM_L2_CTXS);
4722 req.num_rsscos_ctxs = cpu_to_le16(BNXT_VF_MAX_RSS_CTX);
4723 req.num_l2_ctxs = cpu_to_le16(BNXT_VF_MAX_L2_CTX);
4724 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4728 rc = bnxt_hwrm_get_rings(bp);
4732 static int bnxt_hwrm_reserve_rings(struct bnxt *bp, int tx, int rx, int grp,
4736 return bnxt_hwrm_reserve_pf_rings(bp, tx, rx, grp, cp, vnic);
4738 return bnxt_hwrm_reserve_vf_rings(bp, tx, rx, grp, cp, vnic);
4741 static int bnxt_cp_rings_in_use(struct bnxt *bp)
4743 int cp = bp->cp_nr_rings;
4744 int ulp_msix, ulp_base;
4746 ulp_msix = bnxt_get_ulp_msix_num(bp);
4748 ulp_base = bnxt_get_ulp_msix_base(bp);
4750 if ((ulp_base + ulp_msix) > cp)
4751 cp = ulp_base + ulp_msix;
4756 static bool bnxt_need_reserve_rings(struct bnxt *bp)
4758 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
4759 int cp = bnxt_cp_rings_in_use(bp);
4760 int rx = bp->rx_nr_rings;
4761 int vnic = 1, grp = rx;
4763 if (bp->hwrm_spec_code < 0x10601)
4766 if (hw_resc->resv_tx_rings != bp->tx_nr_rings)
4769 if (bp->flags & BNXT_FLAG_RFS)
4771 if (bp->flags & BNXT_FLAG_AGG_RINGS)
4773 if ((bp->flags & BNXT_FLAG_NEW_RM) &&
4774 (hw_resc->resv_rx_rings != rx || hw_resc->resv_cp_rings != cp ||
4775 hw_resc->resv_hw_ring_grps != grp || hw_resc->resv_vnics != vnic))
4780 static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max,
4783 static int __bnxt_reserve_rings(struct bnxt *bp)
4785 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
4786 int cp = bnxt_cp_rings_in_use(bp);
4787 int tx = bp->tx_nr_rings;
4788 int rx = bp->rx_nr_rings;
4789 int grp, rx_rings, rc;
4793 if (!bnxt_need_reserve_rings(bp))
4796 if (bp->flags & BNXT_FLAG_SHARED_RINGS)
4798 if (bp->flags & BNXT_FLAG_RFS)
4800 if (bp->flags & BNXT_FLAG_AGG_RINGS)
4802 grp = bp->rx_nr_rings;
4804 rc = bnxt_hwrm_reserve_rings(bp, tx, rx, grp, cp, vnic);
4808 tx = hw_resc->resv_tx_rings;
4809 if (bp->flags & BNXT_FLAG_NEW_RM) {
4810 rx = hw_resc->resv_rx_rings;
4811 cp = hw_resc->resv_cp_rings;
4812 grp = hw_resc->resv_hw_ring_grps;
4813 vnic = hw_resc->resv_vnics;
4817 if (bp->flags & BNXT_FLAG_AGG_RINGS) {
4821 if (netif_running(bp->dev))
4824 bp->flags &= ~BNXT_FLAG_AGG_RINGS;
4825 bp->flags |= BNXT_FLAG_NO_AGG_RINGS;
4826 bp->dev->hw_features &= ~NETIF_F_LRO;
4827 bp->dev->features &= ~NETIF_F_LRO;
4828 bnxt_set_ring_params(bp);
4831 rx_rings = min_t(int, rx_rings, grp);
4832 rc = bnxt_trim_rings(bp, &rx_rings, &tx, cp, sh);
4833 if (bp->flags & BNXT_FLAG_AGG_RINGS)
4835 cp = sh ? max_t(int, tx, rx_rings) : tx + rx_rings;
4836 bp->tx_nr_rings = tx;
4837 bp->rx_nr_rings = rx_rings;
4838 bp->cp_nr_rings = cp;
4840 if (!tx || !rx || !cp || !grp || !vnic)
4846 static int bnxt_hwrm_check_vf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
4847 int ring_grps, int cp_rings, int vnics)
4849 struct hwrm_func_vf_cfg_input req = {0};
4853 if (!(bp->flags & BNXT_FLAG_NEW_RM))
4856 __bnxt_hwrm_reserve_vf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
4858 flags = FUNC_VF_CFG_REQ_FLAGS_TX_ASSETS_TEST |
4859 FUNC_VF_CFG_REQ_FLAGS_RX_ASSETS_TEST |
4860 FUNC_VF_CFG_REQ_FLAGS_CMPL_ASSETS_TEST |
4861 FUNC_VF_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST |
4862 FUNC_VF_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST |
4863 FUNC_VF_CFG_REQ_FLAGS_VNIC_ASSETS_TEST;
4865 req.flags = cpu_to_le32(flags);
4866 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4872 static int bnxt_hwrm_check_pf_rings(struct bnxt *bp, int tx_rings, int rx_rings,
4873 int ring_grps, int cp_rings, int vnics)
4875 struct hwrm_func_cfg_input req = {0};
4879 __bnxt_hwrm_reserve_pf_rings(bp, &req, tx_rings, rx_rings, ring_grps,
4881 flags = FUNC_CFG_REQ_FLAGS_TX_ASSETS_TEST;
4882 if (bp->flags & BNXT_FLAG_NEW_RM)
4883 flags |= FUNC_CFG_REQ_FLAGS_RX_ASSETS_TEST |
4884 FUNC_CFG_REQ_FLAGS_CMPL_ASSETS_TEST |
4885 FUNC_CFG_REQ_FLAGS_RING_GRP_ASSETS_TEST |
4886 FUNC_CFG_REQ_FLAGS_STAT_CTX_ASSETS_TEST |
4887 FUNC_CFG_REQ_FLAGS_VNIC_ASSETS_TEST;
4889 req.flags = cpu_to_le32(flags);
4890 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
4896 static int bnxt_hwrm_check_rings(struct bnxt *bp, int tx_rings, int rx_rings,
4897 int ring_grps, int cp_rings, int vnics)
4899 if (bp->hwrm_spec_code < 0x10801)
4903 return bnxt_hwrm_check_pf_rings(bp, tx_rings, rx_rings,
4904 ring_grps, cp_rings, vnics);
4906 return bnxt_hwrm_check_vf_rings(bp, tx_rings, rx_rings, ring_grps,
4910 static void bnxt_hwrm_set_coal_params(struct bnxt_coal *hw_coal,
4911 struct hwrm_ring_cmpl_ring_cfg_aggint_params_input *req)
4913 u16 val, tmr, max, flags;
4915 max = hw_coal->bufs_per_record * 128;
4916 if (hw_coal->budget)
4917 max = hw_coal->bufs_per_record * hw_coal->budget;
4919 val = clamp_t(u16, hw_coal->coal_bufs, 1, max);
4920 req->num_cmpl_aggr_int = cpu_to_le16(val);
4922 /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
4923 val = min_t(u16, val, 63);
4924 req->num_cmpl_dma_aggr = cpu_to_le16(val);
4926 /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */
4927 val = clamp_t(u16, hw_coal->coal_bufs_irq, 1, 63);
4928 req->num_cmpl_dma_aggr_during_int = cpu_to_le16(val);
4930 tmr = BNXT_USEC_TO_COAL_TIMER(hw_coal->coal_ticks);
4931 tmr = max_t(u16, tmr, 1);
4932 req->int_lat_tmr_max = cpu_to_le16(tmr);
4934 /* min timer set to 1/2 of interrupt timer */
4936 req->int_lat_tmr_min = cpu_to_le16(val);
4938 /* buf timer set to 1/4 of interrupt timer */
4939 val = max_t(u16, tmr / 4, 1);
4940 req->cmpl_aggr_dma_tmr = cpu_to_le16(val);
4942 tmr = BNXT_USEC_TO_COAL_TIMER(hw_coal->coal_ticks_irq);
4943 tmr = max_t(u16, tmr, 1);
4944 req->cmpl_aggr_dma_tmr_during_int = cpu_to_le16(tmr);
4946 flags = RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_TIMER_RESET;
4947 if (hw_coal->idle_thresh && hw_coal->coal_ticks < hw_coal->idle_thresh)
4948 flags |= RING_CMPL_RING_CFG_AGGINT_PARAMS_REQ_FLAGS_RING_IDLE;
4949 req->flags = cpu_to_le16(flags);
4952 int bnxt_hwrm_set_ring_coal(struct bnxt *bp, struct bnxt_napi *bnapi)
4954 struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0};
4955 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
4956 struct bnxt_coal coal;
4957 unsigned int grp_idx;
4959 /* Tick values in micro seconds.
4960 * 1 coal_buf x bufs_per_record = 1 completion record.
4962 memcpy(&coal, &bp->rx_coal, sizeof(struct bnxt_coal));
4964 coal.coal_ticks = cpr->rx_ring_coal.coal_ticks;
4965 coal.coal_bufs = cpr->rx_ring_coal.coal_bufs;
4967 if (!bnapi->rx_ring)
4970 bnxt_hwrm_cmd_hdr_init(bp, &req_rx,
4971 HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1);
4973 bnxt_hwrm_set_coal_params(&coal, &req_rx);
4975 grp_idx = bnapi->index;
4976 req_rx.ring_id = cpu_to_le16(bp->grp_info[grp_idx].cp_fw_ring_id);
4978 return hwrm_send_message(bp, &req_rx, sizeof(req_rx),
4982 int bnxt_hwrm_set_coal(struct bnxt *bp)
4985 struct hwrm_ring_cmpl_ring_cfg_aggint_params_input req_rx = {0},
4988 bnxt_hwrm_cmd_hdr_init(bp, &req_rx,
4989 HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1);
4990 bnxt_hwrm_cmd_hdr_init(bp, &req_tx,
4991 HWRM_RING_CMPL_RING_CFG_AGGINT_PARAMS, -1, -1);
4993 bnxt_hwrm_set_coal_params(&bp->rx_coal, &req_rx);
4994 bnxt_hwrm_set_coal_params(&bp->tx_coal, &req_tx);
4996 mutex_lock(&bp->hwrm_cmd_lock);
4997 for (i = 0; i < bp->cp_nr_rings; i++) {
4998 struct bnxt_napi *bnapi = bp->bnapi[i];
5001 if (!bnapi->rx_ring)
5003 req->ring_id = cpu_to_le16(bp->grp_info[i].cp_fw_ring_id);
5005 rc = _hwrm_send_message(bp, req, sizeof(*req),
5010 mutex_unlock(&bp->hwrm_cmd_lock);
5014 static int bnxt_hwrm_stat_ctx_free(struct bnxt *bp)
5017 struct hwrm_stat_ctx_free_input req = {0};
5022 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
5025 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_FREE, -1, -1);
5027 mutex_lock(&bp->hwrm_cmd_lock);
5028 for (i = 0; i < bp->cp_nr_rings; i++) {
5029 struct bnxt_napi *bnapi = bp->bnapi[i];
5030 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
5032 if (cpr->hw_stats_ctx_id != INVALID_STATS_CTX_ID) {
5033 req.stat_ctx_id = cpu_to_le32(cpr->hw_stats_ctx_id);
5035 rc = _hwrm_send_message(bp, &req, sizeof(req),
5040 cpr->hw_stats_ctx_id = INVALID_STATS_CTX_ID;
5043 mutex_unlock(&bp->hwrm_cmd_lock);
5047 static int bnxt_hwrm_stat_ctx_alloc(struct bnxt *bp)
5050 struct hwrm_stat_ctx_alloc_input req = {0};
5051 struct hwrm_stat_ctx_alloc_output *resp = bp->hwrm_cmd_resp_addr;
5053 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
5056 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_STAT_CTX_ALLOC, -1, -1);
5058 req.update_period_ms = cpu_to_le32(bp->stats_coal_ticks / 1000);
5060 mutex_lock(&bp->hwrm_cmd_lock);
5061 for (i = 0; i < bp->cp_nr_rings; i++) {
5062 struct bnxt_napi *bnapi = bp->bnapi[i];
5063 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
5065 req.stats_dma_addr = cpu_to_le64(cpr->hw_stats_map);
5067 rc = _hwrm_send_message(bp, &req, sizeof(req),
5072 cpr->hw_stats_ctx_id = le32_to_cpu(resp->stat_ctx_id);
5074 bp->grp_info[i].fw_stats_ctx = cpr->hw_stats_ctx_id;
5076 mutex_unlock(&bp->hwrm_cmd_lock);
5080 static int bnxt_hwrm_func_qcfg(struct bnxt *bp)
5082 struct hwrm_func_qcfg_input req = {0};
5083 struct hwrm_func_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
5087 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCFG, -1, -1);
5088 req.fid = cpu_to_le16(0xffff);
5089 mutex_lock(&bp->hwrm_cmd_lock);
5090 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5092 goto func_qcfg_exit;
5094 #ifdef CONFIG_BNXT_SRIOV
5096 struct bnxt_vf_info *vf = &bp->vf;
5098 vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK;
5101 flags = le16_to_cpu(resp->flags);
5102 if (flags & (FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED |
5103 FUNC_QCFG_RESP_FLAGS_FW_LLDP_AGENT_ENABLED)) {
5104 bp->flags |= BNXT_FLAG_FW_LLDP_AGENT;
5105 if (flags & FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED)
5106 bp->flags |= BNXT_FLAG_FW_DCBX_AGENT;
5108 if (BNXT_PF(bp) && (flags & FUNC_QCFG_RESP_FLAGS_MULTI_HOST))
5109 bp->flags |= BNXT_FLAG_MULTI_HOST;
5111 switch (resp->port_partition_type) {
5112 case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0:
5113 case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5:
5114 case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR2_0:
5115 bp->port_partition_type = resp->port_partition_type;
5118 if (bp->hwrm_spec_code < 0x10707 ||
5119 resp->evb_mode == FUNC_QCFG_RESP_EVB_MODE_VEB)
5120 bp->br_mode = BRIDGE_MODE_VEB;
5121 else if (resp->evb_mode == FUNC_QCFG_RESP_EVB_MODE_VEPA)
5122 bp->br_mode = BRIDGE_MODE_VEPA;
5124 bp->br_mode = BRIDGE_MODE_UNDEF;
5126 bp->max_mtu = le16_to_cpu(resp->max_mtu_configured);
5128 bp->max_mtu = BNXT_MAX_MTU;
5131 mutex_unlock(&bp->hwrm_cmd_lock);
5135 int bnxt_hwrm_func_resc_qcaps(struct bnxt *bp, bool all)
5137 struct hwrm_func_resource_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
5138 struct hwrm_func_resource_qcaps_input req = {0};
5139 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
5142 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESOURCE_QCAPS, -1, -1);
5143 req.fid = cpu_to_le16(0xffff);
5145 mutex_lock(&bp->hwrm_cmd_lock);
5146 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5149 goto hwrm_func_resc_qcaps_exit;
5152 hw_resc->max_tx_sch_inputs = le16_to_cpu(resp->max_tx_scheduler_inputs);
5154 goto hwrm_func_resc_qcaps_exit;
5156 hw_resc->min_rsscos_ctxs = le16_to_cpu(resp->min_rsscos_ctx);
5157 hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);
5158 hw_resc->min_cp_rings = le16_to_cpu(resp->min_cmpl_rings);
5159 hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
5160 hw_resc->min_tx_rings = le16_to_cpu(resp->min_tx_rings);
5161 hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
5162 hw_resc->min_rx_rings = le16_to_cpu(resp->min_rx_rings);
5163 hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
5164 hw_resc->min_hw_ring_grps = le16_to_cpu(resp->min_hw_ring_grps);
5165 hw_resc->max_hw_ring_grps = le16_to_cpu(resp->max_hw_ring_grps);
5166 hw_resc->min_l2_ctxs = le16_to_cpu(resp->min_l2_ctxs);
5167 hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
5168 hw_resc->min_vnics = le16_to_cpu(resp->min_vnics);
5169 hw_resc->max_vnics = le16_to_cpu(resp->max_vnics);
5170 hw_resc->min_stat_ctxs = le16_to_cpu(resp->min_stat_ctx);
5171 hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
5174 struct bnxt_pf_info *pf = &bp->pf;
5176 pf->vf_resv_strategy =
5177 le16_to_cpu(resp->vf_reservation_strategy);
5178 if (pf->vf_resv_strategy > BNXT_VF_RESV_STRATEGY_MINIMAL)
5179 pf->vf_resv_strategy = BNXT_VF_RESV_STRATEGY_MAXIMAL;
5181 hwrm_func_resc_qcaps_exit:
5182 mutex_unlock(&bp->hwrm_cmd_lock);
5186 static int __bnxt_hwrm_func_qcaps(struct bnxt *bp)
5189 struct hwrm_func_qcaps_input req = {0};
5190 struct hwrm_func_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
5191 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
5194 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_QCAPS, -1, -1);
5195 req.fid = cpu_to_le16(0xffff);
5197 mutex_lock(&bp->hwrm_cmd_lock);
5198 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5200 goto hwrm_func_qcaps_exit;
5202 flags = le32_to_cpu(resp->flags);
5203 if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V1_SUPPORTED)
5204 bp->flags |= BNXT_FLAG_ROCEV1_CAP;
5205 if (flags & FUNC_QCAPS_RESP_FLAGS_ROCE_V2_SUPPORTED)
5206 bp->flags |= BNXT_FLAG_ROCEV2_CAP;
5208 bp->tx_push_thresh = 0;
5209 if (flags & FUNC_QCAPS_RESP_FLAGS_PUSH_MODE_SUPPORTED)
5210 bp->tx_push_thresh = BNXT_TX_PUSH_THRESH;
5212 hw_resc->max_rsscos_ctxs = le16_to_cpu(resp->max_rsscos_ctx);
5213 hw_resc->max_cp_rings = le16_to_cpu(resp->max_cmpl_rings);
5214 hw_resc->max_tx_rings = le16_to_cpu(resp->max_tx_rings);
5215 hw_resc->max_rx_rings = le16_to_cpu(resp->max_rx_rings);
5216 hw_resc->max_hw_ring_grps = le32_to_cpu(resp->max_hw_ring_grps);
5217 if (!hw_resc->max_hw_ring_grps)
5218 hw_resc->max_hw_ring_grps = hw_resc->max_tx_rings;
5219 hw_resc->max_l2_ctxs = le16_to_cpu(resp->max_l2_ctxs);
5220 hw_resc->max_vnics = le16_to_cpu(resp->max_vnics);
5221 hw_resc->max_stat_ctxs = le16_to_cpu(resp->max_stat_ctx);
5224 struct bnxt_pf_info *pf = &bp->pf;
5226 pf->fw_fid = le16_to_cpu(resp->fid);
5227 pf->port_id = le16_to_cpu(resp->port_id);
5228 bp->dev->dev_port = pf->port_id;
5229 memcpy(pf->mac_addr, resp->mac_address, ETH_ALEN);
5230 pf->first_vf_id = le16_to_cpu(resp->first_vf_id);
5231 pf->max_vfs = le16_to_cpu(resp->max_vfs);
5232 pf->max_encap_records = le32_to_cpu(resp->max_encap_records);
5233 pf->max_decap_records = le32_to_cpu(resp->max_decap_records);
5234 pf->max_tx_em_flows = le32_to_cpu(resp->max_tx_em_flows);
5235 pf->max_tx_wm_flows = le32_to_cpu(resp->max_tx_wm_flows);
5236 pf->max_rx_em_flows = le32_to_cpu(resp->max_rx_em_flows);
5237 pf->max_rx_wm_flows = le32_to_cpu(resp->max_rx_wm_flows);
5238 if (flags & FUNC_QCAPS_RESP_FLAGS_WOL_MAGICPKT_SUPPORTED)
5239 bp->flags |= BNXT_FLAG_WOL_CAP;
5241 #ifdef CONFIG_BNXT_SRIOV
5242 struct bnxt_vf_info *vf = &bp->vf;
5244 vf->fw_fid = le16_to_cpu(resp->fid);
5245 memcpy(vf->mac_addr, resp->mac_address, ETH_ALEN);
5249 hwrm_func_qcaps_exit:
5250 mutex_unlock(&bp->hwrm_cmd_lock);
5254 static int bnxt_hwrm_func_qcaps(struct bnxt *bp)
5258 rc = __bnxt_hwrm_func_qcaps(bp);
5261 if (bp->hwrm_spec_code >= 0x10803) {
5262 rc = bnxt_hwrm_func_resc_qcaps(bp, true);
5264 bp->flags |= BNXT_FLAG_NEW_RM;
5269 static int bnxt_hwrm_func_reset(struct bnxt *bp)
5271 struct hwrm_func_reset_input req = {0};
5273 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_RESET, -1, -1);
5276 return hwrm_send_message(bp, &req, sizeof(req), HWRM_RESET_TIMEOUT);
5279 static int bnxt_hwrm_queue_qportcfg(struct bnxt *bp)
5282 struct hwrm_queue_qportcfg_input req = {0};
5283 struct hwrm_queue_qportcfg_output *resp = bp->hwrm_cmd_resp_addr;
5286 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_QUEUE_QPORTCFG, -1, -1);
5288 mutex_lock(&bp->hwrm_cmd_lock);
5289 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5293 if (!resp->max_configurable_queues) {
5297 bp->max_tc = resp->max_configurable_queues;
5298 bp->max_lltc = resp->max_configurable_lossless_queues;
5299 if (bp->max_tc > BNXT_MAX_QUEUE)
5300 bp->max_tc = BNXT_MAX_QUEUE;
5302 if (resp->queue_cfg_info & QUEUE_QPORTCFG_RESP_QUEUE_CFG_INFO_ASYM_CFG)
5305 if (bp->max_lltc > bp->max_tc)
5306 bp->max_lltc = bp->max_tc;
5308 qptr = &resp->queue_id0;
5309 for (i = 0; i < bp->max_tc; i++) {
5310 bp->q_info[i].queue_id = *qptr++;
5311 bp->q_info[i].queue_profile = *qptr++;
5312 bp->tc_to_qidx[i] = i;
5316 mutex_unlock(&bp->hwrm_cmd_lock);
5320 static int bnxt_hwrm_ver_get(struct bnxt *bp)
5323 struct hwrm_ver_get_input req = {0};
5324 struct hwrm_ver_get_output *resp = bp->hwrm_cmd_resp_addr;
5327 bp->hwrm_max_req_len = HWRM_MAX_REQ_LEN;
5328 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_VER_GET, -1, -1);
5329 req.hwrm_intf_maj = HWRM_VERSION_MAJOR;
5330 req.hwrm_intf_min = HWRM_VERSION_MINOR;
5331 req.hwrm_intf_upd = HWRM_VERSION_UPDATE;
5332 mutex_lock(&bp->hwrm_cmd_lock);
5333 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5335 goto hwrm_ver_get_exit;
5337 memcpy(&bp->ver_resp, resp, sizeof(struct hwrm_ver_get_output));
5339 bp->hwrm_spec_code = resp->hwrm_intf_maj_8b << 16 |
5340 resp->hwrm_intf_min_8b << 8 |
5341 resp->hwrm_intf_upd_8b;
5342 if (resp->hwrm_intf_maj_8b < 1) {
5343 netdev_warn(bp->dev, "HWRM interface %d.%d.%d is older than 1.0.0.\n",
5344 resp->hwrm_intf_maj_8b, resp->hwrm_intf_min_8b,
5345 resp->hwrm_intf_upd_8b);
5346 netdev_warn(bp->dev, "Please update firmware with HWRM interface 1.0.0 or newer.\n");
5348 snprintf(bp->fw_ver_str, BC_HWRM_STR_LEN, "%d.%d.%d.%d",
5349 resp->hwrm_fw_maj_8b, resp->hwrm_fw_min_8b,
5350 resp->hwrm_fw_bld_8b, resp->hwrm_fw_rsvd_8b);
5352 bp->hwrm_cmd_timeout = le16_to_cpu(resp->def_req_timeout);
5353 if (!bp->hwrm_cmd_timeout)
5354 bp->hwrm_cmd_timeout = DFLT_HWRM_CMD_TIMEOUT;
5356 if (resp->hwrm_intf_maj_8b >= 1)
5357 bp->hwrm_max_req_len = le16_to_cpu(resp->max_req_win_len);
5359 bp->chip_num = le16_to_cpu(resp->chip_num);
5360 if (bp->chip_num == CHIP_NUM_58700 && !resp->chip_rev &&
5362 bp->flags |= BNXT_FLAG_CHIP_NITRO_A0;
5364 dev_caps_cfg = le32_to_cpu(resp->dev_caps_cfg);
5365 if ((dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_SUPPORTED) &&
5366 (dev_caps_cfg & VER_GET_RESP_DEV_CAPS_CFG_SHORT_CMD_REQUIRED))
5367 bp->flags |= BNXT_FLAG_SHORT_CMD;
5370 mutex_unlock(&bp->hwrm_cmd_lock);
5374 int bnxt_hwrm_fw_set_time(struct bnxt *bp)
5376 struct hwrm_fw_set_time_input req = {0};
5378 time64_t now = ktime_get_real_seconds();
5380 if ((BNXT_VF(bp) && bp->hwrm_spec_code < 0x10901) ||
5381 bp->hwrm_spec_code < 0x10400)
5384 time64_to_tm(now, 0, &tm);
5385 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_SET_TIME, -1, -1);
5386 req.year = cpu_to_le16(1900 + tm.tm_year);
5387 req.month = 1 + tm.tm_mon;
5388 req.day = tm.tm_mday;
5389 req.hour = tm.tm_hour;
5390 req.minute = tm.tm_min;
5391 req.second = tm.tm_sec;
5392 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5395 static int bnxt_hwrm_port_qstats(struct bnxt *bp)
5398 struct bnxt_pf_info *pf = &bp->pf;
5399 struct hwrm_port_qstats_input req = {0};
5401 if (!(bp->flags & BNXT_FLAG_PORT_STATS))
5404 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_QSTATS, -1, -1);
5405 req.port_id = cpu_to_le16(pf->port_id);
5406 req.tx_stat_host_addr = cpu_to_le64(bp->hw_tx_port_stats_map);
5407 req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_map);
5408 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5412 static int bnxt_hwrm_port_qstats_ext(struct bnxt *bp)
5414 struct hwrm_port_qstats_ext_input req = {0};
5415 struct bnxt_pf_info *pf = &bp->pf;
5417 if (!(bp->flags & BNXT_FLAG_PORT_STATS_EXT))
5420 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_QSTATS_EXT, -1, -1);
5421 req.port_id = cpu_to_le16(pf->port_id);
5422 req.rx_stat_size = cpu_to_le16(sizeof(struct rx_port_stats_ext));
5423 req.rx_stat_host_addr = cpu_to_le64(bp->hw_rx_port_stats_ext_map);
5424 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5427 static void bnxt_hwrm_free_tunnel_ports(struct bnxt *bp)
5429 if (bp->vxlan_port_cnt) {
5430 bnxt_hwrm_tunnel_dst_port_free(
5431 bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
5433 bp->vxlan_port_cnt = 0;
5434 if (bp->nge_port_cnt) {
5435 bnxt_hwrm_tunnel_dst_port_free(
5436 bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
5438 bp->nge_port_cnt = 0;
5441 static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa)
5447 tpa_flags = bp->flags & BNXT_FLAG_TPA;
5448 for (i = 0; i < bp->nr_vnics; i++) {
5449 rc = bnxt_hwrm_vnic_set_tpa(bp, i, tpa_flags);
5451 netdev_err(bp->dev, "hwrm vnic set tpa failure rc for vnic %d: %x\n",
5459 static void bnxt_hwrm_clear_vnic_rss(struct bnxt *bp)
5463 for (i = 0; i < bp->nr_vnics; i++)
5464 bnxt_hwrm_vnic_set_rss(bp, i, false);
5467 static void bnxt_hwrm_resource_free(struct bnxt *bp, bool close_path,
5470 if (bp->vnic_info) {
5471 bnxt_hwrm_clear_vnic_filter(bp);
5472 /* clear all RSS setting before free vnic ctx */
5473 bnxt_hwrm_clear_vnic_rss(bp);
5474 bnxt_hwrm_vnic_ctx_free(bp);
5475 /* before free the vnic, undo the vnic tpa settings */
5476 if (bp->flags & BNXT_FLAG_TPA)
5477 bnxt_set_tpa(bp, false);
5478 bnxt_hwrm_vnic_free(bp);
5480 bnxt_hwrm_ring_free(bp, close_path);
5481 bnxt_hwrm_ring_grp_free(bp);
5483 bnxt_hwrm_stat_ctx_free(bp);
5484 bnxt_hwrm_free_tunnel_ports(bp);
5488 static int bnxt_hwrm_set_br_mode(struct bnxt *bp, u16 br_mode)
5490 struct hwrm_func_cfg_input req = {0};
5493 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
5494 req.fid = cpu_to_le16(0xffff);
5495 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_EVB_MODE);
5496 if (br_mode == BRIDGE_MODE_VEB)
5497 req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEB;
5498 else if (br_mode == BRIDGE_MODE_VEPA)
5499 req.evb_mode = FUNC_CFG_REQ_EVB_MODE_VEPA;
5502 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5508 static int bnxt_hwrm_set_cache_line_size(struct bnxt *bp, int size)
5510 struct hwrm_func_cfg_input req = {0};
5513 if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10803)
5516 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FUNC_CFG, -1, -1);
5517 req.fid = cpu_to_le16(0xffff);
5518 req.enables = cpu_to_le32(FUNC_CFG_REQ_ENABLES_CACHE_LINESIZE);
5519 req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_64;
5521 req.options = FUNC_CFG_REQ_OPTIONS_CACHE_LINESIZE_SIZE_128;
5523 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
5529 static int bnxt_setup_vnic(struct bnxt *bp, u16 vnic_id)
5531 struct bnxt_vnic_info *vnic = &bp->vnic_info[vnic_id];
5534 if (vnic->flags & BNXT_VNIC_RFS_NEW_RSS_FLAG)
5537 /* allocate context for vnic */
5538 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, 0);
5540 netdev_err(bp->dev, "hwrm vnic %d alloc failure rc: %x\n",
5542 goto vnic_setup_err;
5544 bp->rsscos_nr_ctxs++;
5546 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
5547 rc = bnxt_hwrm_vnic_ctx_alloc(bp, vnic_id, 1);
5549 netdev_err(bp->dev, "hwrm vnic %d cos ctx alloc failure rc: %x\n",
5551 goto vnic_setup_err;
5553 bp->rsscos_nr_ctxs++;
5557 /* configure default vnic, ring grp */
5558 rc = bnxt_hwrm_vnic_cfg(bp, vnic_id);
5560 netdev_err(bp->dev, "hwrm vnic %d cfg failure rc: %x\n",
5562 goto vnic_setup_err;
5565 /* Enable RSS hashing on vnic */
5566 rc = bnxt_hwrm_vnic_set_rss(bp, vnic_id, true);
5568 netdev_err(bp->dev, "hwrm vnic %d set rss failure rc: %x\n",
5570 goto vnic_setup_err;
5573 if (bp->flags & BNXT_FLAG_AGG_RINGS) {
5574 rc = bnxt_hwrm_vnic_set_hds(bp, vnic_id);
5576 netdev_err(bp->dev, "hwrm vnic %d set hds failure rc: %x\n",
5585 static int bnxt_alloc_rfs_vnics(struct bnxt *bp)
5587 #ifdef CONFIG_RFS_ACCEL
5590 for (i = 0; i < bp->rx_nr_rings; i++) {
5591 struct bnxt_vnic_info *vnic;
5592 u16 vnic_id = i + 1;
5595 if (vnic_id >= bp->nr_vnics)
5598 vnic = &bp->vnic_info[vnic_id];
5599 vnic->flags |= BNXT_VNIC_RFS_FLAG;
5600 if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
5601 vnic->flags |= BNXT_VNIC_RFS_NEW_RSS_FLAG;
5602 rc = bnxt_hwrm_vnic_alloc(bp, vnic_id, ring_id, 1);
5604 netdev_err(bp->dev, "hwrm vnic %d alloc failure rc: %x\n",
5608 rc = bnxt_setup_vnic(bp, vnic_id);
5618 /* Allow PF and VF with default VLAN to be in promiscuous mode */
5619 static bool bnxt_promisc_ok(struct bnxt *bp)
5621 #ifdef CONFIG_BNXT_SRIOV
5622 if (BNXT_VF(bp) && !bp->vf.vlan)
5628 static int bnxt_setup_nitroa0_vnic(struct bnxt *bp)
5630 unsigned int rc = 0;
5632 rc = bnxt_hwrm_vnic_alloc(bp, 1, bp->rx_nr_rings - 1, 1);
5634 netdev_err(bp->dev, "Cannot allocate special vnic for NS2 A0: %x\n",
5639 rc = bnxt_hwrm_vnic_cfg(bp, 1);
5641 netdev_err(bp->dev, "Cannot allocate special vnic for NS2 A0: %x\n",
5648 static int bnxt_cfg_rx_mode(struct bnxt *);
5649 static bool bnxt_mc_list_updated(struct bnxt *, u32 *);
5651 static int bnxt_init_chip(struct bnxt *bp, bool irq_re_init)
5653 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
5655 unsigned int rx_nr_rings = bp->rx_nr_rings;
5658 rc = bnxt_hwrm_stat_ctx_alloc(bp);
5660 netdev_err(bp->dev, "hwrm stat ctx alloc failure rc: %x\n",
5666 rc = bnxt_hwrm_ring_alloc(bp);
5668 netdev_err(bp->dev, "hwrm ring alloc failure rc: %x\n", rc);
5672 rc = bnxt_hwrm_ring_grp_alloc(bp);
5674 netdev_err(bp->dev, "hwrm_ring_grp alloc failure: %x\n", rc);
5678 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
5681 /* default vnic 0 */
5682 rc = bnxt_hwrm_vnic_alloc(bp, 0, 0, rx_nr_rings);
5684 netdev_err(bp->dev, "hwrm vnic alloc failure rc: %x\n", rc);
5688 rc = bnxt_setup_vnic(bp, 0);
5692 if (bp->flags & BNXT_FLAG_RFS) {
5693 rc = bnxt_alloc_rfs_vnics(bp);
5698 if (bp->flags & BNXT_FLAG_TPA) {
5699 rc = bnxt_set_tpa(bp, true);
5705 bnxt_update_vf_mac(bp);
5707 /* Filter for default vnic 0 */
5708 rc = bnxt_hwrm_set_vnic_filter(bp, 0, 0, bp->dev->dev_addr);
5710 netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n", rc);
5713 vnic->uc_filter_count = 1;
5715 vnic->rx_mask = CFA_L2_SET_RX_MASK_REQ_MASK_BCAST;
5717 if ((bp->dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp))
5718 vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
5720 if (bp->dev->flags & IFF_ALLMULTI) {
5721 vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
5722 vnic->mc_list_count = 0;
5726 bnxt_mc_list_updated(bp, &mask);
5727 vnic->rx_mask |= mask;
5730 rc = bnxt_cfg_rx_mode(bp);
5734 rc = bnxt_hwrm_set_coal(bp);
5736 netdev_warn(bp->dev, "HWRM set coalescing failure rc: %x\n",
5739 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
5740 rc = bnxt_setup_nitroa0_vnic(bp);
5742 netdev_err(bp->dev, "Special vnic setup failure for NS2 A0 rc: %x\n",
5747 bnxt_hwrm_func_qcfg(bp);
5748 netdev_update_features(bp->dev);
5754 bnxt_hwrm_resource_free(bp, 0, true);
5759 static int bnxt_shutdown_nic(struct bnxt *bp, bool irq_re_init)
5761 bnxt_hwrm_resource_free(bp, 1, irq_re_init);
5765 static int bnxt_init_nic(struct bnxt *bp, bool irq_re_init)
5767 bnxt_init_cp_rings(bp);
5768 bnxt_init_rx_rings(bp);
5769 bnxt_init_tx_rings(bp);
5770 bnxt_init_ring_grps(bp, irq_re_init);
5771 bnxt_init_vnics(bp);
5773 return bnxt_init_chip(bp, irq_re_init);
5776 static int bnxt_set_real_num_queues(struct bnxt *bp)
5779 struct net_device *dev = bp->dev;
5781 rc = netif_set_real_num_tx_queues(dev, bp->tx_nr_rings -
5782 bp->tx_nr_rings_xdp);
5786 rc = netif_set_real_num_rx_queues(dev, bp->rx_nr_rings);
5790 #ifdef CONFIG_RFS_ACCEL
5791 if (bp->flags & BNXT_FLAG_RFS)
5792 dev->rx_cpu_rmap = alloc_irq_cpu_rmap(bp->rx_nr_rings);
5798 static int bnxt_trim_rings(struct bnxt *bp, int *rx, int *tx, int max,
5801 int _rx = *rx, _tx = *tx;
5804 *rx = min_t(int, _rx, max);
5805 *tx = min_t(int, _tx, max);
5810 while (_rx + _tx > max) {
5811 if (_rx > _tx && _rx > 1)
5822 static void bnxt_setup_msix(struct bnxt *bp)
5824 const int len = sizeof(bp->irq_tbl[0].name);
5825 struct net_device *dev = bp->dev;
5828 tcs = netdev_get_num_tc(dev);
5832 for (i = 0; i < tcs; i++) {
5833 count = bp->tx_nr_rings_per_tc;
5835 netdev_set_tc_queue(dev, i, count, off);
5839 for (i = 0; i < bp->cp_nr_rings; i++) {
5840 int map_idx = bnxt_cp_num_to_irq_num(bp, i);
5843 if (bp->flags & BNXT_FLAG_SHARED_RINGS)
5845 else if (i < bp->rx_nr_rings)
5850 snprintf(bp->irq_tbl[map_idx].name, len, "%s-%s-%d", dev->name,
5852 bp->irq_tbl[map_idx].handler = bnxt_msix;
5856 static void bnxt_setup_inta(struct bnxt *bp)
5858 const int len = sizeof(bp->irq_tbl[0].name);
5860 if (netdev_get_num_tc(bp->dev))
5861 netdev_reset_tc(bp->dev);
5863 snprintf(bp->irq_tbl[0].name, len, "%s-%s-%d", bp->dev->name, "TxRx",
5865 bp->irq_tbl[0].handler = bnxt_inta;
5868 static int bnxt_setup_int_mode(struct bnxt *bp)
5872 if (bp->flags & BNXT_FLAG_USING_MSIX)
5873 bnxt_setup_msix(bp);
5875 bnxt_setup_inta(bp);
5877 rc = bnxt_set_real_num_queues(bp);
5881 #ifdef CONFIG_RFS_ACCEL
5882 static unsigned int bnxt_get_max_func_rss_ctxs(struct bnxt *bp)
5884 return bp->hw_resc.max_rsscos_ctxs;
5887 static unsigned int bnxt_get_max_func_vnics(struct bnxt *bp)
5889 return bp->hw_resc.max_vnics;
5893 unsigned int bnxt_get_max_func_stat_ctxs(struct bnxt *bp)
5895 return bp->hw_resc.max_stat_ctxs;
5898 void bnxt_set_max_func_stat_ctxs(struct bnxt *bp, unsigned int max)
5900 bp->hw_resc.max_stat_ctxs = max;
5903 unsigned int bnxt_get_max_func_cp_rings(struct bnxt *bp)
5905 return bp->hw_resc.max_cp_rings;
5908 void bnxt_set_max_func_cp_rings(struct bnxt *bp, unsigned int max)
5910 bp->hw_resc.max_cp_rings = max;
5913 unsigned int bnxt_get_max_func_irqs(struct bnxt *bp)
5915 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
5917 return min_t(unsigned int, hw_resc->max_irqs, hw_resc->max_cp_rings);
5920 void bnxt_set_max_func_irqs(struct bnxt *bp, unsigned int max_irqs)
5922 bp->hw_resc.max_irqs = max_irqs;
5925 int bnxt_get_avail_msix(struct bnxt *bp, int num)
5927 int max_cp = bnxt_get_max_func_cp_rings(bp);
5928 int max_irq = bnxt_get_max_func_irqs(bp);
5929 int total_req = bp->cp_nr_rings + num;
5930 int max_idx, avail_msix;
5932 max_idx = min_t(int, bp->total_irqs, max_cp);
5933 avail_msix = max_idx - bp->cp_nr_rings;
5934 if (!(bp->flags & BNXT_FLAG_NEW_RM) || avail_msix >= num)
5937 if (max_irq < total_req) {
5938 num = max_irq - bp->cp_nr_rings;
5945 static int bnxt_get_num_msix(struct bnxt *bp)
5947 if (!(bp->flags & BNXT_FLAG_NEW_RM))
5948 return bnxt_get_max_func_irqs(bp);
5950 return bnxt_cp_rings_in_use(bp);
5953 static int bnxt_init_msix(struct bnxt *bp)
5955 int i, total_vecs, max, rc = 0, min = 1, ulp_msix;
5956 struct msix_entry *msix_ent;
5958 total_vecs = bnxt_get_num_msix(bp);
5959 max = bnxt_get_max_func_irqs(bp);
5960 if (total_vecs > max)
5966 msix_ent = kcalloc(total_vecs, sizeof(struct msix_entry), GFP_KERNEL);
5970 for (i = 0; i < total_vecs; i++) {
5971 msix_ent[i].entry = i;
5972 msix_ent[i].vector = 0;
5975 if (!(bp->flags & BNXT_FLAG_SHARED_RINGS))
5978 total_vecs = pci_enable_msix_range(bp->pdev, msix_ent, min, total_vecs);
5979 ulp_msix = bnxt_get_ulp_msix_num(bp);
5980 if (total_vecs < 0 || total_vecs < ulp_msix) {
5982 goto msix_setup_exit;
5985 bp->irq_tbl = kcalloc(total_vecs, sizeof(struct bnxt_irq), GFP_KERNEL);
5987 for (i = 0; i < total_vecs; i++)
5988 bp->irq_tbl[i].vector = msix_ent[i].vector;
5990 bp->total_irqs = total_vecs;
5991 /* Trim rings based upon num of vectors allocated */
5992 rc = bnxt_trim_rings(bp, &bp->rx_nr_rings, &bp->tx_nr_rings,
5993 total_vecs - ulp_msix, min == 1);
5995 goto msix_setup_exit;
5997 bp->cp_nr_rings = (min == 1) ?
5998 max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
5999 bp->tx_nr_rings + bp->rx_nr_rings;
6003 goto msix_setup_exit;
6005 bp->flags |= BNXT_FLAG_USING_MSIX;
6010 netdev_err(bp->dev, "bnxt_init_msix err: %x\n", rc);
6013 pci_disable_msix(bp->pdev);
6018 static int bnxt_init_inta(struct bnxt *bp)
6020 bp->irq_tbl = kcalloc(1, sizeof(struct bnxt_irq), GFP_KERNEL);
6025 bp->rx_nr_rings = 1;
6026 bp->tx_nr_rings = 1;
6027 bp->cp_nr_rings = 1;
6028 bp->flags |= BNXT_FLAG_SHARED_RINGS;
6029 bp->irq_tbl[0].vector = bp->pdev->irq;
6033 static int bnxt_init_int_mode(struct bnxt *bp)
6037 if (bp->flags & BNXT_FLAG_MSIX_CAP)
6038 rc = bnxt_init_msix(bp);
6040 if (!(bp->flags & BNXT_FLAG_USING_MSIX) && BNXT_PF(bp)) {
6041 /* fallback to INTA */
6042 rc = bnxt_init_inta(bp);
6047 static void bnxt_clear_int_mode(struct bnxt *bp)
6049 if (bp->flags & BNXT_FLAG_USING_MSIX)
6050 pci_disable_msix(bp->pdev);
6054 bp->flags &= ~BNXT_FLAG_USING_MSIX;
6057 int bnxt_reserve_rings(struct bnxt *bp)
6059 int tcs = netdev_get_num_tc(bp->dev);
6062 if (!bnxt_need_reserve_rings(bp))
6065 rc = __bnxt_reserve_rings(bp);
6067 netdev_err(bp->dev, "ring reservation failure rc: %d\n", rc);
6070 if ((bp->flags & BNXT_FLAG_NEW_RM) &&
6071 (bnxt_get_num_msix(bp) != bp->total_irqs)) {
6072 bnxt_ulp_irq_stop(bp);
6073 bnxt_clear_int_mode(bp);
6074 rc = bnxt_init_int_mode(bp);
6075 bnxt_ulp_irq_restart(bp, rc);
6079 if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) {
6080 netdev_err(bp->dev, "tx ring reservation failure\n");
6081 netdev_reset_tc(bp->dev);
6082 bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
6085 bp->num_stat_ctxs = bp->cp_nr_rings;
6089 static void bnxt_free_irq(struct bnxt *bp)
6091 struct bnxt_irq *irq;
6094 #ifdef CONFIG_RFS_ACCEL
6095 free_irq_cpu_rmap(bp->dev->rx_cpu_rmap);
6096 bp->dev->rx_cpu_rmap = NULL;
6098 if (!bp->irq_tbl || !bp->bnapi)
6101 for (i = 0; i < bp->cp_nr_rings; i++) {
6102 int map_idx = bnxt_cp_num_to_irq_num(bp, i);
6104 irq = &bp->irq_tbl[map_idx];
6105 if (irq->requested) {
6106 if (irq->have_cpumask) {
6107 irq_set_affinity_hint(irq->vector, NULL);
6108 free_cpumask_var(irq->cpu_mask);
6109 irq->have_cpumask = 0;
6111 free_irq(irq->vector, bp->bnapi[i]);
6118 static int bnxt_request_irq(struct bnxt *bp)
6121 unsigned long flags = 0;
6122 #ifdef CONFIG_RFS_ACCEL
6123 struct cpu_rmap *rmap;
6126 rc = bnxt_setup_int_mode(bp);
6128 netdev_err(bp->dev, "bnxt_setup_int_mode err: %x\n",
6132 #ifdef CONFIG_RFS_ACCEL
6133 rmap = bp->dev->rx_cpu_rmap;
6135 if (!(bp->flags & BNXT_FLAG_USING_MSIX))
6136 flags = IRQF_SHARED;
6138 for (i = 0, j = 0; i < bp->cp_nr_rings; i++) {
6139 int map_idx = bnxt_cp_num_to_irq_num(bp, i);
6140 struct bnxt_irq *irq = &bp->irq_tbl[map_idx];
6142 #ifdef CONFIG_RFS_ACCEL
6143 if (rmap && bp->bnapi[i]->rx_ring) {
6144 rc = irq_cpu_rmap_add(rmap, irq->vector);
6146 netdev_warn(bp->dev, "failed adding irq rmap for ring %d\n",
6151 rc = request_irq(irq->vector, irq->handler, flags, irq->name,
6158 if (zalloc_cpumask_var(&irq->cpu_mask, GFP_KERNEL)) {
6159 int numa_node = dev_to_node(&bp->pdev->dev);
6161 irq->have_cpumask = 1;
6162 cpumask_set_cpu(cpumask_local_spread(i, numa_node),
6164 rc = irq_set_affinity_hint(irq->vector, irq->cpu_mask);
6166 netdev_warn(bp->dev,
6167 "Set affinity failed, IRQ = %d\n",
6176 static void bnxt_del_napi(struct bnxt *bp)
6183 for (i = 0; i < bp->cp_nr_rings; i++) {
6184 struct bnxt_napi *bnapi = bp->bnapi[i];
6186 napi_hash_del(&bnapi->napi);
6187 netif_napi_del(&bnapi->napi);
6189 /* We called napi_hash_del() before netif_napi_del(), we need
6190 * to respect an RCU grace period before freeing napi structures.
6195 static void bnxt_init_napi(struct bnxt *bp)
6198 unsigned int cp_nr_rings = bp->cp_nr_rings;
6199 struct bnxt_napi *bnapi;
6201 if (bp->flags & BNXT_FLAG_USING_MSIX) {
6202 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
6204 for (i = 0; i < cp_nr_rings; i++) {
6205 bnapi = bp->bnapi[i];
6206 netif_napi_add(bp->dev, &bnapi->napi,
6209 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
6210 bnapi = bp->bnapi[cp_nr_rings];
6211 netif_napi_add(bp->dev, &bnapi->napi,
6212 bnxt_poll_nitroa0, 64);
6215 bnapi = bp->bnapi[0];
6216 netif_napi_add(bp->dev, &bnapi->napi, bnxt_poll, 64);
6220 static void bnxt_disable_napi(struct bnxt *bp)
6227 for (i = 0; i < bp->cp_nr_rings; i++) {
6228 struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
6230 if (bp->bnapi[i]->rx_ring)
6231 cancel_work_sync(&cpr->dim.work);
6233 napi_disable(&bp->bnapi[i]->napi);
6237 static void bnxt_enable_napi(struct bnxt *bp)
6241 for (i = 0; i < bp->cp_nr_rings; i++) {
6242 struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
6243 bp->bnapi[i]->in_reset = false;
6245 if (bp->bnapi[i]->rx_ring) {
6246 INIT_WORK(&cpr->dim.work, bnxt_dim_work);
6247 cpr->dim.mode = NET_DIM_CQ_PERIOD_MODE_START_FROM_EQE;
6249 napi_enable(&bp->bnapi[i]->napi);
6253 void bnxt_tx_disable(struct bnxt *bp)
6256 struct bnxt_tx_ring_info *txr;
6259 for (i = 0; i < bp->tx_nr_rings; i++) {
6260 txr = &bp->tx_ring[i];
6261 txr->dev_state = BNXT_DEV_STATE_CLOSING;
6264 /* Stop all TX queues */
6265 netif_tx_disable(bp->dev);
6266 netif_carrier_off(bp->dev);
6269 void bnxt_tx_enable(struct bnxt *bp)
6272 struct bnxt_tx_ring_info *txr;
6274 for (i = 0; i < bp->tx_nr_rings; i++) {
6275 txr = &bp->tx_ring[i];
6278 netif_tx_wake_all_queues(bp->dev);
6279 if (bp->link_info.link_up)
6280 netif_carrier_on(bp->dev);
6283 static void bnxt_report_link(struct bnxt *bp)
6285 if (bp->link_info.link_up) {
6287 const char *flow_ctrl;
6291 netif_carrier_on(bp->dev);
6292 if (bp->link_info.duplex == BNXT_LINK_DUPLEX_FULL)
6296 if (bp->link_info.pause == BNXT_LINK_PAUSE_BOTH)
6297 flow_ctrl = "ON - receive & transmit";
6298 else if (bp->link_info.pause == BNXT_LINK_PAUSE_TX)
6299 flow_ctrl = "ON - transmit";
6300 else if (bp->link_info.pause == BNXT_LINK_PAUSE_RX)
6301 flow_ctrl = "ON - receive";
6304 speed = bnxt_fw_to_ethtool_speed(bp->link_info.link_speed);
6305 netdev_info(bp->dev, "NIC Link is Up, %u Mbps %s duplex, Flow control: %s\n",
6306 speed, duplex, flow_ctrl);
6307 if (bp->flags & BNXT_FLAG_EEE_CAP)
6308 netdev_info(bp->dev, "EEE is %s\n",
6309 bp->eee.eee_active ? "active" :
6311 fec = bp->link_info.fec_cfg;
6312 if (!(fec & PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED))
6313 netdev_info(bp->dev, "FEC autoneg %s encodings: %s\n",
6314 (fec & BNXT_FEC_AUTONEG) ? "on" : "off",
6315 (fec & BNXT_FEC_ENC_BASE_R) ? "BaseR" :
6316 (fec & BNXT_FEC_ENC_RS) ? "RS" : "None");
6318 netif_carrier_off(bp->dev);
6319 netdev_err(bp->dev, "NIC Link is Down\n");
6323 static int bnxt_hwrm_phy_qcaps(struct bnxt *bp)
6326 struct hwrm_port_phy_qcaps_input req = {0};
6327 struct hwrm_port_phy_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
6328 struct bnxt_link_info *link_info = &bp->link_info;
6330 if (bp->hwrm_spec_code < 0x10201)
6333 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCAPS, -1, -1);
6335 mutex_lock(&bp->hwrm_cmd_lock);
6336 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6338 goto hwrm_phy_qcaps_exit;
6340 if (resp->flags & PORT_PHY_QCAPS_RESP_FLAGS_EEE_SUPPORTED) {
6341 struct ethtool_eee *eee = &bp->eee;
6342 u16 fw_speeds = le16_to_cpu(resp->supported_speeds_eee_mode);
6344 bp->flags |= BNXT_FLAG_EEE_CAP;
6345 eee->supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
6346 bp->lpi_tmr_lo = le32_to_cpu(resp->tx_lpi_timer_low) &
6347 PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_LOW_MASK;
6348 bp->lpi_tmr_hi = le32_to_cpu(resp->valid_tx_lpi_timer_high) &
6349 PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_HIGH_MASK;
6351 if (resp->supported_speeds_auto_mode)
6352 link_info->support_auto_speeds =
6353 le16_to_cpu(resp->supported_speeds_auto_mode);
6355 bp->port_count = resp->port_cnt;
6357 hwrm_phy_qcaps_exit:
6358 mutex_unlock(&bp->hwrm_cmd_lock);
6362 static int bnxt_update_link(struct bnxt *bp, bool chng_link_state)
6365 struct bnxt_link_info *link_info = &bp->link_info;
6366 struct hwrm_port_phy_qcfg_input req = {0};
6367 struct hwrm_port_phy_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
6368 u8 link_up = link_info->link_up;
6371 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_QCFG, -1, -1);
6373 mutex_lock(&bp->hwrm_cmd_lock);
6374 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6376 mutex_unlock(&bp->hwrm_cmd_lock);
6380 memcpy(&link_info->phy_qcfg_resp, resp, sizeof(*resp));
6381 link_info->phy_link_status = resp->link;
6382 link_info->duplex = resp->duplex_cfg;
6383 if (bp->hwrm_spec_code >= 0x10800)
6384 link_info->duplex = resp->duplex_state;
6385 link_info->pause = resp->pause;
6386 link_info->auto_mode = resp->auto_mode;
6387 link_info->auto_pause_setting = resp->auto_pause;
6388 link_info->lp_pause = resp->link_partner_adv_pause;
6389 link_info->force_pause_setting = resp->force_pause;
6390 link_info->duplex_setting = resp->duplex_cfg;
6391 if (link_info->phy_link_status == BNXT_LINK_LINK)
6392 link_info->link_speed = le16_to_cpu(resp->link_speed);
6394 link_info->link_speed = 0;
6395 link_info->force_link_speed = le16_to_cpu(resp->force_link_speed);
6396 link_info->support_speeds = le16_to_cpu(resp->support_speeds);
6397 link_info->auto_link_speeds = le16_to_cpu(resp->auto_link_speed_mask);
6398 link_info->lp_auto_link_speeds =
6399 le16_to_cpu(resp->link_partner_adv_speeds);
6400 link_info->preemphasis = le32_to_cpu(resp->preemphasis);
6401 link_info->phy_ver[0] = resp->phy_maj;
6402 link_info->phy_ver[1] = resp->phy_min;
6403 link_info->phy_ver[2] = resp->phy_bld;
6404 link_info->media_type = resp->media_type;
6405 link_info->phy_type = resp->phy_type;
6406 link_info->transceiver = resp->xcvr_pkg_type;
6407 link_info->phy_addr = resp->eee_config_phy_addr &
6408 PORT_PHY_QCFG_RESP_PHY_ADDR_MASK;
6409 link_info->module_status = resp->module_status;
6411 if (bp->flags & BNXT_FLAG_EEE_CAP) {
6412 struct ethtool_eee *eee = &bp->eee;
6415 eee->eee_active = 0;
6416 if (resp->eee_config_phy_addr &
6417 PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_ACTIVE) {
6418 eee->eee_active = 1;
6419 fw_speeds = le16_to_cpu(
6420 resp->link_partner_adv_eee_link_speed_mask);
6421 eee->lp_advertised =
6422 _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
6425 /* Pull initial EEE config */
6426 if (!chng_link_state) {
6427 if (resp->eee_config_phy_addr &
6428 PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_ENABLED)
6429 eee->eee_enabled = 1;
6431 fw_speeds = le16_to_cpu(resp->adv_eee_link_speed_mask);
6433 _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
6435 if (resp->eee_config_phy_addr &
6436 PORT_PHY_QCFG_RESP_EEE_CONFIG_EEE_TX_LPI) {
6439 eee->tx_lpi_enabled = 1;
6440 tmr = resp->xcvr_identifier_type_tx_lpi_timer;
6441 eee->tx_lpi_timer = le32_to_cpu(tmr) &
6442 PORT_PHY_QCFG_RESP_TX_LPI_TIMER_MASK;
6447 link_info->fec_cfg = PORT_PHY_QCFG_RESP_FEC_CFG_FEC_NONE_SUPPORTED;
6448 if (bp->hwrm_spec_code >= 0x10504)
6449 link_info->fec_cfg = le16_to_cpu(resp->fec_cfg);
6451 /* TODO: need to add more logic to report VF link */
6452 if (chng_link_state) {
6453 if (link_info->phy_link_status == BNXT_LINK_LINK)
6454 link_info->link_up = 1;
6456 link_info->link_up = 0;
6457 if (link_up != link_info->link_up)
6458 bnxt_report_link(bp);
6460 /* alwasy link down if not require to update link state */
6461 link_info->link_up = 0;
6463 mutex_unlock(&bp->hwrm_cmd_lock);
6465 if (!BNXT_SINGLE_PF(bp))
6468 diff = link_info->support_auto_speeds ^ link_info->advertising;
6469 if ((link_info->support_auto_speeds | diff) !=
6470 link_info->support_auto_speeds) {
6471 /* An advertised speed is no longer supported, so we need to
6472 * update the advertisement settings. Caller holds RTNL
6473 * so we can modify link settings.
6475 link_info->advertising = link_info->support_auto_speeds;
6476 if (link_info->autoneg & BNXT_AUTONEG_SPEED)
6477 bnxt_hwrm_set_link_setting(bp, true, false);
6482 static void bnxt_get_port_module_status(struct bnxt *bp)
6484 struct bnxt_link_info *link_info = &bp->link_info;
6485 struct hwrm_port_phy_qcfg_output *resp = &link_info->phy_qcfg_resp;
6488 if (bnxt_update_link(bp, true))
6491 module_status = link_info->module_status;
6492 switch (module_status) {
6493 case PORT_PHY_QCFG_RESP_MODULE_STATUS_DISABLETX:
6494 case PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN:
6495 case PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG:
6496 netdev_warn(bp->dev, "Unqualified SFP+ module detected on port %d\n",
6498 if (bp->hwrm_spec_code >= 0x10201) {
6499 netdev_warn(bp->dev, "Module part number %s\n",
6500 resp->phy_vendor_partnumber);
6502 if (module_status == PORT_PHY_QCFG_RESP_MODULE_STATUS_DISABLETX)
6503 netdev_warn(bp->dev, "TX is disabled\n");
6504 if (module_status == PORT_PHY_QCFG_RESP_MODULE_STATUS_PWRDOWN)
6505 netdev_warn(bp->dev, "SFP+ module is shutdown\n");
6510 bnxt_hwrm_set_pause_common(struct bnxt *bp, struct hwrm_port_phy_cfg_input *req)
6512 if (bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL) {
6513 if (bp->hwrm_spec_code >= 0x10201)
6515 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
6516 if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_RX)
6517 req->auto_pause |= PORT_PHY_CFG_REQ_AUTO_PAUSE_RX;
6518 if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_TX)
6519 req->auto_pause |= PORT_PHY_CFG_REQ_AUTO_PAUSE_TX;
6521 cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE);
6523 if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_RX)
6524 req->force_pause |= PORT_PHY_CFG_REQ_FORCE_PAUSE_RX;
6525 if (bp->link_info.req_flow_ctrl & BNXT_LINK_PAUSE_TX)
6526 req->force_pause |= PORT_PHY_CFG_REQ_FORCE_PAUSE_TX;
6528 cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_FORCE_PAUSE);
6529 if (bp->hwrm_spec_code >= 0x10201) {
6530 req->auto_pause = req->force_pause;
6531 req->enables |= cpu_to_le32(
6532 PORT_PHY_CFG_REQ_ENABLES_AUTO_PAUSE);
6537 static void bnxt_hwrm_set_link_common(struct bnxt *bp,
6538 struct hwrm_port_phy_cfg_input *req)
6540 u8 autoneg = bp->link_info.autoneg;
6541 u16 fw_link_speed = bp->link_info.req_link_speed;
6542 u16 advertising = bp->link_info.advertising;
6544 if (autoneg & BNXT_AUTONEG_SPEED) {
6546 PORT_PHY_CFG_REQ_AUTO_MODE_SPEED_MASK;
6548 req->enables |= cpu_to_le32(
6549 PORT_PHY_CFG_REQ_ENABLES_AUTO_LINK_SPEED_MASK);
6550 req->auto_link_speed_mask = cpu_to_le16(advertising);
6552 req->enables |= cpu_to_le32(PORT_PHY_CFG_REQ_ENABLES_AUTO_MODE);
6554 cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_RESTART_AUTONEG);
6556 req->force_link_speed = cpu_to_le16(fw_link_speed);
6557 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE);
6560 /* tell chimp that the setting takes effect immediately */
6561 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_RESET_PHY);
6564 int bnxt_hwrm_set_pause(struct bnxt *bp)
6566 struct hwrm_port_phy_cfg_input req = {0};
6569 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
6570 bnxt_hwrm_set_pause_common(bp, &req);
6572 if ((bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL) ||
6573 bp->link_info.force_link_chng)
6574 bnxt_hwrm_set_link_common(bp, &req);
6576 mutex_lock(&bp->hwrm_cmd_lock);
6577 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6578 if (!rc && !(bp->link_info.autoneg & BNXT_AUTONEG_FLOW_CTRL)) {
6579 /* since changing of pause setting doesn't trigger any link
6580 * change event, the driver needs to update the current pause
6581 * result upon successfully return of the phy_cfg command
6583 bp->link_info.pause =
6584 bp->link_info.force_pause_setting = bp->link_info.req_flow_ctrl;
6585 bp->link_info.auto_pause_setting = 0;
6586 if (!bp->link_info.force_link_chng)
6587 bnxt_report_link(bp);
6589 bp->link_info.force_link_chng = false;
6590 mutex_unlock(&bp->hwrm_cmd_lock);
6594 static void bnxt_hwrm_set_eee(struct bnxt *bp,
6595 struct hwrm_port_phy_cfg_input *req)
6597 struct ethtool_eee *eee = &bp->eee;
6599 if (eee->eee_enabled) {
6601 u32 flags = PORT_PHY_CFG_REQ_FLAGS_EEE_ENABLE;
6603 if (eee->tx_lpi_enabled)
6604 flags |= PORT_PHY_CFG_REQ_FLAGS_EEE_TX_LPI_ENABLE;
6606 flags |= PORT_PHY_CFG_REQ_FLAGS_EEE_TX_LPI_DISABLE;
6608 req->flags |= cpu_to_le32(flags);
6609 eee_speeds = bnxt_get_fw_auto_link_speeds(eee->advertised);
6610 req->eee_link_speed_mask = cpu_to_le16(eee_speeds);
6611 req->tx_lpi_timer = cpu_to_le32(eee->tx_lpi_timer);
6613 req->flags |= cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_EEE_DISABLE);
6617 int bnxt_hwrm_set_link_setting(struct bnxt *bp, bool set_pause, bool set_eee)
6619 struct hwrm_port_phy_cfg_input req = {0};
6621 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
6623 bnxt_hwrm_set_pause_common(bp, &req);
6625 bnxt_hwrm_set_link_common(bp, &req);
6628 bnxt_hwrm_set_eee(bp, &req);
6629 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6632 static int bnxt_hwrm_shutdown_link(struct bnxt *bp)
6634 struct hwrm_port_phy_cfg_input req = {0};
6636 if (!BNXT_SINGLE_PF(bp))
6639 if (pci_num_vf(bp->pdev))
6642 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_CFG, -1, -1);
6643 req.flags = cpu_to_le32(PORT_PHY_CFG_REQ_FLAGS_FORCE_LINK_DWN);
6644 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6647 static int bnxt_hwrm_port_led_qcaps(struct bnxt *bp)
6649 struct hwrm_port_led_qcaps_output *resp = bp->hwrm_cmd_resp_addr;
6650 struct hwrm_port_led_qcaps_input req = {0};
6651 struct bnxt_pf_info *pf = &bp->pf;
6654 if (BNXT_VF(bp) || bp->hwrm_spec_code < 0x10601)
6657 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_QCAPS, -1, -1);
6658 req.port_id = cpu_to_le16(pf->port_id);
6659 mutex_lock(&bp->hwrm_cmd_lock);
6660 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6662 mutex_unlock(&bp->hwrm_cmd_lock);
6665 if (resp->num_leds > 0 && resp->num_leds < BNXT_MAX_LED) {
6668 bp->num_leds = resp->num_leds;
6669 memcpy(bp->leds, &resp->led0_id, sizeof(bp->leds[0]) *
6671 for (i = 0; i < bp->num_leds; i++) {
6672 struct bnxt_led_info *led = &bp->leds[i];
6673 __le16 caps = led->led_state_caps;
6675 if (!led->led_group_id ||
6676 !BNXT_LED_ALT_BLINK_CAP(caps)) {
6682 mutex_unlock(&bp->hwrm_cmd_lock);
6686 int bnxt_hwrm_alloc_wol_fltr(struct bnxt *bp)
6688 struct hwrm_wol_filter_alloc_input req = {0};
6689 struct hwrm_wol_filter_alloc_output *resp = bp->hwrm_cmd_resp_addr;
6692 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_ALLOC, -1, -1);
6693 req.port_id = cpu_to_le16(bp->pf.port_id);
6694 req.wol_type = WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT;
6695 req.enables = cpu_to_le32(WOL_FILTER_ALLOC_REQ_ENABLES_MAC_ADDRESS);
6696 memcpy(req.mac_address, bp->dev->dev_addr, ETH_ALEN);
6697 mutex_lock(&bp->hwrm_cmd_lock);
6698 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6700 bp->wol_filter_id = resp->wol_filter_id;
6701 mutex_unlock(&bp->hwrm_cmd_lock);
6705 int bnxt_hwrm_free_wol_fltr(struct bnxt *bp)
6707 struct hwrm_wol_filter_free_input req = {0};
6710 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_FREE, -1, -1);
6711 req.port_id = cpu_to_le16(bp->pf.port_id);
6712 req.enables = cpu_to_le32(WOL_FILTER_FREE_REQ_ENABLES_WOL_FILTER_ID);
6713 req.wol_filter_id = bp->wol_filter_id;
6714 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6718 static u16 bnxt_hwrm_get_wol_fltrs(struct bnxt *bp, u16 handle)
6720 struct hwrm_wol_filter_qcfg_input req = {0};
6721 struct hwrm_wol_filter_qcfg_output *resp = bp->hwrm_cmd_resp_addr;
6722 u16 next_handle = 0;
6725 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_WOL_FILTER_QCFG, -1, -1);
6726 req.port_id = cpu_to_le16(bp->pf.port_id);
6727 req.handle = cpu_to_le16(handle);
6728 mutex_lock(&bp->hwrm_cmd_lock);
6729 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
6731 next_handle = le16_to_cpu(resp->next_handle);
6732 if (next_handle != 0) {
6733 if (resp->wol_type ==
6734 WOL_FILTER_ALLOC_REQ_WOL_TYPE_MAGICPKT) {
6736 bp->wol_filter_id = resp->wol_filter_id;
6740 mutex_unlock(&bp->hwrm_cmd_lock);
6744 static void bnxt_get_wol_settings(struct bnxt *bp)
6748 if (!BNXT_PF(bp) || !(bp->flags & BNXT_FLAG_WOL_CAP))
6752 handle = bnxt_hwrm_get_wol_fltrs(bp, handle);
6753 } while (handle && handle != 0xffff);
6756 static bool bnxt_eee_config_ok(struct bnxt *bp)
6758 struct ethtool_eee *eee = &bp->eee;
6759 struct bnxt_link_info *link_info = &bp->link_info;
6761 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
6764 if (eee->eee_enabled) {
6766 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
6768 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
6769 eee->eee_enabled = 0;
6772 if (eee->advertised & ~advertising) {
6773 eee->advertised = advertising & eee->supported;
6780 static int bnxt_update_phy_setting(struct bnxt *bp)
6783 bool update_link = false;
6784 bool update_pause = false;
6785 bool update_eee = false;
6786 struct bnxt_link_info *link_info = &bp->link_info;
6788 rc = bnxt_update_link(bp, true);
6790 netdev_err(bp->dev, "failed to update link (rc: %x)\n",
6794 if (!BNXT_SINGLE_PF(bp))
6797 if ((link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) &&
6798 (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) !=
6799 link_info->req_flow_ctrl)
6800 update_pause = true;
6801 if (!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) &&
6802 link_info->force_pause_setting != link_info->req_flow_ctrl)
6803 update_pause = true;
6804 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
6805 if (BNXT_AUTO_MODE(link_info->auto_mode))
6807 if (link_info->req_link_speed != link_info->force_link_speed)
6809 if (link_info->req_duplex != link_info->duplex_setting)
6812 if (link_info->auto_mode == BNXT_LINK_AUTO_NONE)
6814 if (link_info->advertising != link_info->auto_link_speeds)
6818 /* The last close may have shutdown the link, so need to call
6819 * PHY_CFG to bring it back up.
6821 if (!netif_carrier_ok(bp->dev))
6824 if (!bnxt_eee_config_ok(bp))
6828 rc = bnxt_hwrm_set_link_setting(bp, update_pause, update_eee);
6829 else if (update_pause)
6830 rc = bnxt_hwrm_set_pause(bp);
6832 netdev_err(bp->dev, "failed to update phy setting (rc: %x)\n",
6840 /* Common routine to pre-map certain register block to different GRC window.
6841 * A PF has 16 4K windows and a VF has 4 4K windows. However, only 15 windows
6842 * in PF and 3 windows in VF that can be customized to map in different
6845 static void bnxt_preset_reg_win(struct bnxt *bp)
6848 /* CAG registers map to GRC window #4 */
6849 writel(BNXT_CAG_REG_BASE,
6850 bp->bar0 + BNXT_GRCPF_REG_WINDOW_BASE_OUT + 12);
6854 static int bnxt_init_dflt_ring_mode(struct bnxt *bp);
6856 static int __bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
6860 bnxt_preset_reg_win(bp);
6861 netif_carrier_off(bp->dev);
6863 /* Reserve rings now if none were reserved at driver probe. */
6864 rc = bnxt_init_dflt_ring_mode(bp);
6866 netdev_err(bp->dev, "Failed to reserve default rings at open\n");
6869 rc = bnxt_reserve_rings(bp);
6873 if ((bp->flags & BNXT_FLAG_RFS) &&
6874 !(bp->flags & BNXT_FLAG_USING_MSIX)) {
6875 /* disable RFS if falling back to INTA */
6876 bp->dev->hw_features &= ~NETIF_F_NTUPLE;
6877 bp->flags &= ~BNXT_FLAG_RFS;
6880 rc = bnxt_alloc_mem(bp, irq_re_init);
6882 netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc);
6883 goto open_err_free_mem;
6888 rc = bnxt_request_irq(bp);
6890 netdev_err(bp->dev, "bnxt_request_irq err: %x\n", rc);
6895 bnxt_enable_napi(bp);
6896 bnxt_debug_dev_init(bp);
6898 rc = bnxt_init_nic(bp, irq_re_init);
6900 netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc);
6905 mutex_lock(&bp->link_lock);
6906 rc = bnxt_update_phy_setting(bp);
6907 mutex_unlock(&bp->link_lock);
6909 netdev_warn(bp->dev, "failed to update phy settings\n");
6913 udp_tunnel_get_rx_info(bp->dev);
6915 set_bit(BNXT_STATE_OPEN, &bp->state);
6916 bnxt_enable_int(bp);
6917 /* Enable TX queues */
6919 mod_timer(&bp->timer, jiffies + bp->current_interval);
6920 /* Poll link status and check for SFP+ module status */
6921 bnxt_get_port_module_status(bp);
6923 /* VF-reps may need to be re-opened after the PF is re-opened */
6925 bnxt_vf_reps_open(bp);
6929 bnxt_debug_dev_exit(bp);
6930 bnxt_disable_napi(bp);
6936 bnxt_free_mem(bp, true);
6940 /* rtnl_lock held */
6941 int bnxt_open_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
6945 rc = __bnxt_open_nic(bp, irq_re_init, link_re_init);
6947 netdev_err(bp->dev, "nic open fail (rc: %x)\n", rc);
6953 /* rtnl_lock held, open the NIC half way by allocating all resources, but
6954 * NAPI, IRQ, and TX are not enabled. This is mainly used for offline
6957 int bnxt_half_open_nic(struct bnxt *bp)
6961 rc = bnxt_alloc_mem(bp, false);
6963 netdev_err(bp->dev, "bnxt_alloc_mem err: %x\n", rc);
6966 rc = bnxt_init_nic(bp, false);
6968 netdev_err(bp->dev, "bnxt_init_nic err: %x\n", rc);
6975 bnxt_free_mem(bp, false);
6980 /* rtnl_lock held, this call can only be made after a previous successful
6981 * call to bnxt_half_open_nic().
6983 void bnxt_half_close_nic(struct bnxt *bp)
6985 bnxt_hwrm_resource_free(bp, false, false);
6987 bnxt_free_mem(bp, false);
6990 static int bnxt_open(struct net_device *dev)
6992 struct bnxt *bp = netdev_priv(dev);
6994 return __bnxt_open_nic(bp, true, true);
6997 static bool bnxt_drv_busy(struct bnxt *bp)
6999 return (test_bit(BNXT_STATE_IN_SP_TASK, &bp->state) ||
7000 test_bit(BNXT_STATE_READ_STATS, &bp->state));
7003 static void __bnxt_close_nic(struct bnxt *bp, bool irq_re_init,
7006 /* Close the VF-reps before closing PF */
7008 bnxt_vf_reps_close(bp);
7010 /* Change device state to avoid TX queue wake up's */
7011 bnxt_tx_disable(bp);
7013 clear_bit(BNXT_STATE_OPEN, &bp->state);
7014 smp_mb__after_atomic();
7015 while (bnxt_drv_busy(bp))
7018 /* Flush rings and and disable interrupts */
7019 bnxt_shutdown_nic(bp, irq_re_init);
7021 /* TODO CHIMP_FW: Link/PHY related cleanup if (link_re_init) */
7023 bnxt_debug_dev_exit(bp);
7024 bnxt_disable_napi(bp);
7025 del_timer_sync(&bp->timer);
7032 bnxt_free_mem(bp, irq_re_init);
7035 int bnxt_close_nic(struct bnxt *bp, bool irq_re_init, bool link_re_init)
7039 #ifdef CONFIG_BNXT_SRIOV
7040 if (bp->sriov_cfg) {
7041 rc = wait_event_interruptible_timeout(bp->sriov_cfg_wait,
7043 BNXT_SRIOV_CFG_WAIT_TMO);
7045 netdev_warn(bp->dev, "timeout waiting for SRIOV config operation to complete!\n");
7048 __bnxt_close_nic(bp, irq_re_init, link_re_init);
7052 static int bnxt_close(struct net_device *dev)
7054 struct bnxt *bp = netdev_priv(dev);
7056 bnxt_close_nic(bp, true, true);
7057 bnxt_hwrm_shutdown_link(bp);
7061 /* rtnl_lock held */
7062 static int bnxt_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
7068 if (!netif_running(dev))
7075 if (!netif_running(dev))
7088 bnxt_get_stats64(struct net_device *dev, struct rtnl_link_stats64 *stats)
7091 struct bnxt *bp = netdev_priv(dev);
7093 set_bit(BNXT_STATE_READ_STATS, &bp->state);
7094 /* Make sure bnxt_close_nic() sees that we are reading stats before
7095 * we check the BNXT_STATE_OPEN flag.
7097 smp_mb__after_atomic();
7098 if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
7099 clear_bit(BNXT_STATE_READ_STATS, &bp->state);
7103 /* TODO check if we need to synchronize with bnxt_close path */
7104 for (i = 0; i < bp->cp_nr_rings; i++) {
7105 struct bnxt_napi *bnapi = bp->bnapi[i];
7106 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
7107 struct ctx_hw_stats *hw_stats = cpr->hw_stats;
7109 stats->rx_packets += le64_to_cpu(hw_stats->rx_ucast_pkts);
7110 stats->rx_packets += le64_to_cpu(hw_stats->rx_mcast_pkts);
7111 stats->rx_packets += le64_to_cpu(hw_stats->rx_bcast_pkts);
7113 stats->tx_packets += le64_to_cpu(hw_stats->tx_ucast_pkts);
7114 stats->tx_packets += le64_to_cpu(hw_stats->tx_mcast_pkts);
7115 stats->tx_packets += le64_to_cpu(hw_stats->tx_bcast_pkts);
7117 stats->rx_bytes += le64_to_cpu(hw_stats->rx_ucast_bytes);
7118 stats->rx_bytes += le64_to_cpu(hw_stats->rx_mcast_bytes);
7119 stats->rx_bytes += le64_to_cpu(hw_stats->rx_bcast_bytes);
7121 stats->tx_bytes += le64_to_cpu(hw_stats->tx_ucast_bytes);
7122 stats->tx_bytes += le64_to_cpu(hw_stats->tx_mcast_bytes);
7123 stats->tx_bytes += le64_to_cpu(hw_stats->tx_bcast_bytes);
7125 stats->rx_missed_errors +=
7126 le64_to_cpu(hw_stats->rx_discard_pkts);
7128 stats->multicast += le64_to_cpu(hw_stats->rx_mcast_pkts);
7130 stats->tx_dropped += le64_to_cpu(hw_stats->tx_drop_pkts);
7133 if (bp->flags & BNXT_FLAG_PORT_STATS) {
7134 struct rx_port_stats *rx = bp->hw_rx_port_stats;
7135 struct tx_port_stats *tx = bp->hw_tx_port_stats;
7137 stats->rx_crc_errors = le64_to_cpu(rx->rx_fcs_err_frames);
7138 stats->rx_frame_errors = le64_to_cpu(rx->rx_align_err_frames);
7139 stats->rx_length_errors = le64_to_cpu(rx->rx_undrsz_frames) +
7140 le64_to_cpu(rx->rx_ovrsz_frames) +
7141 le64_to_cpu(rx->rx_runt_frames);
7142 stats->rx_errors = le64_to_cpu(rx->rx_false_carrier_frames) +
7143 le64_to_cpu(rx->rx_jbr_frames);
7144 stats->collisions = le64_to_cpu(tx->tx_total_collisions);
7145 stats->tx_fifo_errors = le64_to_cpu(tx->tx_fifo_underruns);
7146 stats->tx_errors = le64_to_cpu(tx->tx_err);
7148 clear_bit(BNXT_STATE_READ_STATS, &bp->state);
7151 static bool bnxt_mc_list_updated(struct bnxt *bp, u32 *rx_mask)
7153 struct net_device *dev = bp->dev;
7154 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
7155 struct netdev_hw_addr *ha;
7158 bool update = false;
7161 netdev_for_each_mc_addr(ha, dev) {
7162 if (mc_count >= BNXT_MAX_MC_ADDRS) {
7163 *rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
7164 vnic->mc_list_count = 0;
7168 if (!ether_addr_equal(haddr, vnic->mc_list + off)) {
7169 memcpy(vnic->mc_list + off, haddr, ETH_ALEN);
7176 *rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_MCAST;
7178 if (mc_count != vnic->mc_list_count) {
7179 vnic->mc_list_count = mc_count;
7185 static bool bnxt_uc_list_updated(struct bnxt *bp)
7187 struct net_device *dev = bp->dev;
7188 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
7189 struct netdev_hw_addr *ha;
7192 if (netdev_uc_count(dev) != (vnic->uc_filter_count - 1))
7195 netdev_for_each_uc_addr(ha, dev) {
7196 if (!ether_addr_equal(ha->addr, vnic->uc_list + off))
7204 static void bnxt_set_rx_mode(struct net_device *dev)
7206 struct bnxt *bp = netdev_priv(dev);
7207 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
7208 u32 mask = vnic->rx_mask;
7209 bool mc_update = false;
7212 if (!netif_running(dev))
7215 mask &= ~(CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS |
7216 CFA_L2_SET_RX_MASK_REQ_MASK_MCAST |
7217 CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST);
7219 if ((dev->flags & IFF_PROMISC) && bnxt_promisc_ok(bp))
7220 mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
7222 uc_update = bnxt_uc_list_updated(bp);
7224 if (dev->flags & IFF_ALLMULTI) {
7225 mask |= CFA_L2_SET_RX_MASK_REQ_MASK_ALL_MCAST;
7226 vnic->mc_list_count = 0;
7228 mc_update = bnxt_mc_list_updated(bp, &mask);
7231 if (mask != vnic->rx_mask || uc_update || mc_update) {
7232 vnic->rx_mask = mask;
7234 set_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event);
7235 bnxt_queue_sp_work(bp);
7239 static int bnxt_cfg_rx_mode(struct bnxt *bp)
7241 struct net_device *dev = bp->dev;
7242 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
7243 struct netdev_hw_addr *ha;
7247 netif_addr_lock_bh(dev);
7248 uc_update = bnxt_uc_list_updated(bp);
7249 netif_addr_unlock_bh(dev);
7254 mutex_lock(&bp->hwrm_cmd_lock);
7255 for (i = 1; i < vnic->uc_filter_count; i++) {
7256 struct hwrm_cfa_l2_filter_free_input req = {0};
7258 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_CFA_L2_FILTER_FREE, -1,
7261 req.l2_filter_id = vnic->fw_l2_filter_id[i];
7263 rc = _hwrm_send_message(bp, &req, sizeof(req),
7266 mutex_unlock(&bp->hwrm_cmd_lock);
7268 vnic->uc_filter_count = 1;
7270 netif_addr_lock_bh(dev);
7271 if (netdev_uc_count(dev) > (BNXT_MAX_UC_ADDRS - 1)) {
7272 vnic->rx_mask |= CFA_L2_SET_RX_MASK_REQ_MASK_PROMISCUOUS;
7274 netdev_for_each_uc_addr(ha, dev) {
7275 memcpy(vnic->uc_list + off, ha->addr, ETH_ALEN);
7277 vnic->uc_filter_count++;
7280 netif_addr_unlock_bh(dev);
7282 for (i = 1, off = 0; i < vnic->uc_filter_count; i++, off += ETH_ALEN) {
7283 rc = bnxt_hwrm_set_vnic_filter(bp, 0, i, vnic->uc_list + off);
7285 netdev_err(bp->dev, "HWRM vnic filter failure rc: %x\n",
7287 vnic->uc_filter_count = i;
7293 rc = bnxt_hwrm_cfa_l2_set_rx_mask(bp, 0);
7295 netdev_err(bp->dev, "HWRM cfa l2 rx mask failure rc: %x\n",
7301 static bool bnxt_can_reserve_rings(struct bnxt *bp)
7303 #ifdef CONFIG_BNXT_SRIOV
7304 if ((bp->flags & BNXT_FLAG_NEW_RM) && BNXT_VF(bp)) {
7305 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
7307 /* No minimum rings were provisioned by the PF. Don't
7308 * reserve rings by default when device is down.
7310 if (hw_resc->min_tx_rings || hw_resc->resv_tx_rings)
7313 if (!netif_running(bp->dev))
7320 /* If the chip and firmware supports RFS */
7321 static bool bnxt_rfs_supported(struct bnxt *bp)
7323 if (BNXT_PF(bp) && !BNXT_CHIP_TYPE_NITRO_A0(bp))
7325 if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
7330 /* If runtime conditions support RFS */
7331 static bool bnxt_rfs_capable(struct bnxt *bp)
7333 #ifdef CONFIG_RFS_ACCEL
7334 int vnics, max_vnics, max_rss_ctxs;
7336 if (!(bp->flags & BNXT_FLAG_MSIX_CAP) || !bnxt_can_reserve_rings(bp))
7339 vnics = 1 + bp->rx_nr_rings;
7340 max_vnics = bnxt_get_max_func_vnics(bp);
7341 max_rss_ctxs = bnxt_get_max_func_rss_ctxs(bp);
7343 /* RSS contexts not a limiting factor */
7344 if (bp->flags & BNXT_FLAG_NEW_RSS_CAP)
7345 max_rss_ctxs = max_vnics;
7346 if (vnics > max_vnics || vnics > max_rss_ctxs) {
7347 if (bp->rx_nr_rings > 1)
7348 netdev_warn(bp->dev,
7349 "Not enough resources to support NTUPLE filters, enough resources for up to %d rx rings\n",
7350 min(max_rss_ctxs - 1, max_vnics - 1));
7354 if (!(bp->flags & BNXT_FLAG_NEW_RM))
7357 if (vnics == bp->hw_resc.resv_vnics)
7360 bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, vnics);
7361 if (vnics <= bp->hw_resc.resv_vnics)
7364 netdev_warn(bp->dev, "Unable to reserve resources to support NTUPLE filters.\n");
7365 bnxt_hwrm_reserve_rings(bp, 0, 0, 0, 0, 1);
7372 static netdev_features_t bnxt_fix_features(struct net_device *dev,
7373 netdev_features_t features)
7375 struct bnxt *bp = netdev_priv(dev);
7377 if ((features & NETIF_F_NTUPLE) && !bnxt_rfs_capable(bp))
7378 features &= ~NETIF_F_NTUPLE;
7380 if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
7381 features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
7383 if (!(features & NETIF_F_GRO))
7384 features &= ~NETIF_F_GRO_HW;
7386 if (features & NETIF_F_GRO_HW)
7387 features &= ~NETIF_F_LRO;
7389 /* Both CTAG and STAG VLAN accelaration on the RX side have to be
7390 * turned on or off together.
7392 if ((features & (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) !=
7393 (NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_STAG_RX)) {
7394 if (dev->features & NETIF_F_HW_VLAN_CTAG_RX)
7395 features &= ~(NETIF_F_HW_VLAN_CTAG_RX |
7396 NETIF_F_HW_VLAN_STAG_RX);
7398 features |= NETIF_F_HW_VLAN_CTAG_RX |
7399 NETIF_F_HW_VLAN_STAG_RX;
7401 #ifdef CONFIG_BNXT_SRIOV
7404 features &= ~(NETIF_F_HW_VLAN_CTAG_RX |
7405 NETIF_F_HW_VLAN_STAG_RX);
7412 static int bnxt_set_features(struct net_device *dev, netdev_features_t features)
7414 struct bnxt *bp = netdev_priv(dev);
7415 u32 flags = bp->flags;
7418 bool re_init = false;
7419 bool update_tpa = false;
7421 flags &= ~BNXT_FLAG_ALL_CONFIG_FEATS;
7422 if (features & NETIF_F_GRO_HW)
7423 flags |= BNXT_FLAG_GRO;
7424 else if (features & NETIF_F_LRO)
7425 flags |= BNXT_FLAG_LRO;
7427 if (bp->flags & BNXT_FLAG_NO_AGG_RINGS)
7428 flags &= ~BNXT_FLAG_TPA;
7430 if (features & NETIF_F_HW_VLAN_CTAG_RX)
7431 flags |= BNXT_FLAG_STRIP_VLAN;
7433 if (features & NETIF_F_NTUPLE)
7434 flags |= BNXT_FLAG_RFS;
7436 changes = flags ^ bp->flags;
7437 if (changes & BNXT_FLAG_TPA) {
7439 if ((bp->flags & BNXT_FLAG_TPA) == 0 ||
7440 (flags & BNXT_FLAG_TPA) == 0)
7444 if (changes & ~BNXT_FLAG_TPA)
7447 if (flags != bp->flags) {
7448 u32 old_flags = bp->flags;
7452 if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
7454 bnxt_set_ring_params(bp);
7459 bnxt_close_nic(bp, false, false);
7461 bnxt_set_ring_params(bp);
7463 return bnxt_open_nic(bp, false, false);
7466 rc = bnxt_set_tpa(bp,
7467 (flags & BNXT_FLAG_TPA) ?
7470 bp->flags = old_flags;
7476 static void bnxt_dump_tx_sw_state(struct bnxt_napi *bnapi)
7478 struct bnxt_tx_ring_info *txr = bnapi->tx_ring;
7479 int i = bnapi->index;
7484 netdev_info(bnapi->bp->dev, "[%d]: tx{fw_ring: %d prod: %x cons: %x}\n",
7485 i, txr->tx_ring_struct.fw_ring_id, txr->tx_prod,
7489 static void bnxt_dump_rx_sw_state(struct bnxt_napi *bnapi)
7491 struct bnxt_rx_ring_info *rxr = bnapi->rx_ring;
7492 int i = bnapi->index;
7497 netdev_info(bnapi->bp->dev, "[%d]: rx{fw_ring: %d prod: %x} rx_agg{fw_ring: %d agg_prod: %x sw_agg_prod: %x}\n",
7498 i, rxr->rx_ring_struct.fw_ring_id, rxr->rx_prod,
7499 rxr->rx_agg_ring_struct.fw_ring_id, rxr->rx_agg_prod,
7500 rxr->rx_sw_agg_prod);
7503 static void bnxt_dump_cp_sw_state(struct bnxt_napi *bnapi)
7505 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
7506 int i = bnapi->index;
7508 netdev_info(bnapi->bp->dev, "[%d]: cp{fw_ring: %d raw_cons: %x}\n",
7509 i, cpr->cp_ring_struct.fw_ring_id, cpr->cp_raw_cons);
7512 static void bnxt_dbg_dump_states(struct bnxt *bp)
7515 struct bnxt_napi *bnapi;
7517 for (i = 0; i < bp->cp_nr_rings; i++) {
7518 bnapi = bp->bnapi[i];
7519 if (netif_msg_drv(bp)) {
7520 bnxt_dump_tx_sw_state(bnapi);
7521 bnxt_dump_rx_sw_state(bnapi);
7522 bnxt_dump_cp_sw_state(bnapi);
7527 static void bnxt_reset_task(struct bnxt *bp, bool silent)
7530 bnxt_dbg_dump_states(bp);
7531 if (netif_running(bp->dev)) {
7536 bnxt_close_nic(bp, false, false);
7537 rc = bnxt_open_nic(bp, false, false);
7543 static void bnxt_tx_timeout(struct net_device *dev)
7545 struct bnxt *bp = netdev_priv(dev);
7547 netdev_err(bp->dev, "TX timeout detected, starting reset task!\n");
7548 set_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event);
7549 bnxt_queue_sp_work(bp);
7552 #ifdef CONFIG_NET_POLL_CONTROLLER
7553 static void bnxt_poll_controller(struct net_device *dev)
7555 struct bnxt *bp = netdev_priv(dev);
7558 /* Only process tx rings/combined rings in netpoll mode. */
7559 for (i = 0; i < bp->tx_nr_rings; i++) {
7560 struct bnxt_tx_ring_info *txr = &bp->tx_ring[i];
7562 napi_schedule(&txr->bnapi->napi);
7567 static void bnxt_timer(struct timer_list *t)
7569 struct bnxt *bp = from_timer(bp, t, timer);
7570 struct net_device *dev = bp->dev;
7572 if (!netif_running(dev))
7575 if (atomic_read(&bp->intr_sem) != 0)
7576 goto bnxt_restart_timer;
7578 if (bp->link_info.link_up && (bp->flags & BNXT_FLAG_PORT_STATS) &&
7579 bp->stats_coal_ticks) {
7580 set_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event);
7581 bnxt_queue_sp_work(bp);
7584 if (bnxt_tc_flower_enabled(bp)) {
7585 set_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event);
7586 bnxt_queue_sp_work(bp);
7589 mod_timer(&bp->timer, jiffies + bp->current_interval);
7592 static void bnxt_rtnl_lock_sp(struct bnxt *bp)
7594 /* We are called from bnxt_sp_task which has BNXT_STATE_IN_SP_TASK
7595 * set. If the device is being closed, bnxt_close() may be holding
7596 * rtnl() and waiting for BNXT_STATE_IN_SP_TASK to clear. So we
7597 * must clear BNXT_STATE_IN_SP_TASK before holding rtnl().
7599 clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
7603 static void bnxt_rtnl_unlock_sp(struct bnxt *bp)
7605 set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
7609 /* Only called from bnxt_sp_task() */
7610 static void bnxt_reset(struct bnxt *bp, bool silent)
7612 bnxt_rtnl_lock_sp(bp);
7613 if (test_bit(BNXT_STATE_OPEN, &bp->state))
7614 bnxt_reset_task(bp, silent);
7615 bnxt_rtnl_unlock_sp(bp);
7618 static void bnxt_cfg_ntp_filters(struct bnxt *);
7620 static void bnxt_sp_task(struct work_struct *work)
7622 struct bnxt *bp = container_of(work, struct bnxt, sp_task);
7624 set_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
7625 smp_mb__after_atomic();
7626 if (!test_bit(BNXT_STATE_OPEN, &bp->state)) {
7627 clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
7631 if (test_and_clear_bit(BNXT_RX_MASK_SP_EVENT, &bp->sp_event))
7632 bnxt_cfg_rx_mode(bp);
7634 if (test_and_clear_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event))
7635 bnxt_cfg_ntp_filters(bp);
7636 if (test_and_clear_bit(BNXT_HWRM_EXEC_FWD_REQ_SP_EVENT, &bp->sp_event))
7637 bnxt_hwrm_exec_fwd_req(bp);
7638 if (test_and_clear_bit(BNXT_VXLAN_ADD_PORT_SP_EVENT, &bp->sp_event)) {
7639 bnxt_hwrm_tunnel_dst_port_alloc(
7641 TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
7643 if (test_and_clear_bit(BNXT_VXLAN_DEL_PORT_SP_EVENT, &bp->sp_event)) {
7644 bnxt_hwrm_tunnel_dst_port_free(
7645 bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_VXLAN);
7647 if (test_and_clear_bit(BNXT_GENEVE_ADD_PORT_SP_EVENT, &bp->sp_event)) {
7648 bnxt_hwrm_tunnel_dst_port_alloc(
7650 TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
7652 if (test_and_clear_bit(BNXT_GENEVE_DEL_PORT_SP_EVENT, &bp->sp_event)) {
7653 bnxt_hwrm_tunnel_dst_port_free(
7654 bp, TUNNEL_DST_PORT_FREE_REQ_TUNNEL_TYPE_GENEVE);
7656 if (test_and_clear_bit(BNXT_PERIODIC_STATS_SP_EVENT, &bp->sp_event)) {
7657 bnxt_hwrm_port_qstats(bp);
7658 bnxt_hwrm_port_qstats_ext(bp);
7661 if (test_and_clear_bit(BNXT_LINK_CHNG_SP_EVENT, &bp->sp_event)) {
7664 mutex_lock(&bp->link_lock);
7665 if (test_and_clear_bit(BNXT_LINK_SPEED_CHNG_SP_EVENT,
7667 bnxt_hwrm_phy_qcaps(bp);
7669 rc = bnxt_update_link(bp, true);
7670 mutex_unlock(&bp->link_lock);
7672 netdev_err(bp->dev, "SP task can't update link (rc: %x)\n",
7675 if (test_and_clear_bit(BNXT_HWRM_PORT_MODULE_SP_EVENT, &bp->sp_event)) {
7676 mutex_lock(&bp->link_lock);
7677 bnxt_get_port_module_status(bp);
7678 mutex_unlock(&bp->link_lock);
7681 if (test_and_clear_bit(BNXT_FLOW_STATS_SP_EVENT, &bp->sp_event))
7682 bnxt_tc_flow_stats_work(bp);
7684 /* These functions below will clear BNXT_STATE_IN_SP_TASK. They
7685 * must be the last functions to be called before exiting.
7687 if (test_and_clear_bit(BNXT_RESET_TASK_SP_EVENT, &bp->sp_event))
7688 bnxt_reset(bp, false);
7690 if (test_and_clear_bit(BNXT_RESET_TASK_SILENT_SP_EVENT, &bp->sp_event))
7691 bnxt_reset(bp, true);
7693 smp_mb__before_atomic();
7694 clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state);
7697 /* Under rtnl_lock */
7698 int bnxt_check_rings(struct bnxt *bp, int tx, int rx, bool sh, int tcs,
7701 int max_rx, max_tx, tx_sets = 1;
7702 int tx_rings_needed;
7709 rc = bnxt_get_max_rings(bp, &max_rx, &max_tx, sh);
7716 tx_rings_needed = tx * tx_sets + tx_xdp;
7717 if (max_tx < tx_rings_needed)
7721 if (bp->flags & BNXT_FLAG_RFS)
7724 if (bp->flags & BNXT_FLAG_AGG_RINGS)
7726 cp = sh ? max_t(int, tx_rings_needed, rx) : tx_rings_needed + rx;
7727 if (bp->flags & BNXT_FLAG_NEW_RM)
7728 cp += bnxt_get_ulp_msix_num(bp);
7729 return bnxt_hwrm_check_rings(bp, tx_rings_needed, rx_rings, rx, cp,
7733 static void bnxt_unmap_bars(struct bnxt *bp, struct pci_dev *pdev)
7736 pci_iounmap(pdev, bp->bar2);
7741 pci_iounmap(pdev, bp->bar1);
7746 pci_iounmap(pdev, bp->bar0);
7751 static void bnxt_cleanup_pci(struct bnxt *bp)
7753 bnxt_unmap_bars(bp, bp->pdev);
7754 pci_release_regions(bp->pdev);
7755 pci_disable_device(bp->pdev);
7758 static void bnxt_init_dflt_coal(struct bnxt *bp)
7760 struct bnxt_coal *coal;
7762 /* Tick values in micro seconds.
7763 * 1 coal_buf x bufs_per_record = 1 completion record.
7765 coal = &bp->rx_coal;
7766 coal->coal_ticks = 14;
7767 coal->coal_bufs = 30;
7768 coal->coal_ticks_irq = 1;
7769 coal->coal_bufs_irq = 2;
7770 coal->idle_thresh = 50;
7771 coal->bufs_per_record = 2;
7772 coal->budget = 64; /* NAPI budget */
7774 coal = &bp->tx_coal;
7775 coal->coal_ticks = 28;
7776 coal->coal_bufs = 30;
7777 coal->coal_ticks_irq = 2;
7778 coal->coal_bufs_irq = 2;
7779 coal->bufs_per_record = 1;
7781 bp->stats_coal_ticks = BNXT_DEF_STATS_COAL_TICKS;
7784 static int bnxt_init_board(struct pci_dev *pdev, struct net_device *dev)
7787 struct bnxt *bp = netdev_priv(dev);
7789 SET_NETDEV_DEV(dev, &pdev->dev);
7791 /* enable device (incl. PCI PM wakeup), and bus-mastering */
7792 rc = pci_enable_device(pdev);
7794 dev_err(&pdev->dev, "Cannot enable PCI device, aborting\n");
7798 if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) {
7800 "Cannot find PCI device base address, aborting\n");
7802 goto init_err_disable;
7805 rc = pci_request_regions(pdev, DRV_MODULE_NAME);
7807 dev_err(&pdev->dev, "Cannot obtain PCI resources, aborting\n");
7808 goto init_err_disable;
7811 if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)) != 0 &&
7812 dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)) != 0) {
7813 dev_err(&pdev->dev, "System does not support DMA, aborting\n");
7814 goto init_err_disable;
7817 pci_set_master(pdev);
7822 bp->bar0 = pci_ioremap_bar(pdev, 0);
7824 dev_err(&pdev->dev, "Cannot map device registers, aborting\n");
7826 goto init_err_release;
7829 bp->bar1 = pci_ioremap_bar(pdev, 2);
7831 dev_err(&pdev->dev, "Cannot map doorbell registers, aborting\n");
7833 goto init_err_release;
7836 bp->bar2 = pci_ioremap_bar(pdev, 4);
7838 dev_err(&pdev->dev, "Cannot map bar4 registers, aborting\n");
7840 goto init_err_release;
7843 pci_enable_pcie_error_reporting(pdev);
7845 INIT_WORK(&bp->sp_task, bnxt_sp_task);
7847 spin_lock_init(&bp->ntp_fltr_lock);
7849 bp->rx_ring_size = BNXT_DEFAULT_RX_RING_SIZE;
7850 bp->tx_ring_size = BNXT_DEFAULT_TX_RING_SIZE;
7852 bnxt_init_dflt_coal(bp);
7854 timer_setup(&bp->timer, bnxt_timer, 0);
7855 bp->current_interval = BNXT_TIMER_INTERVAL;
7857 clear_bit(BNXT_STATE_OPEN, &bp->state);
7861 bnxt_unmap_bars(bp, pdev);
7862 pci_release_regions(pdev);
7865 pci_disable_device(pdev);
7871 /* rtnl_lock held */
7872 static int bnxt_change_mac_addr(struct net_device *dev, void *p)
7874 struct sockaddr *addr = p;
7875 struct bnxt *bp = netdev_priv(dev);
7878 if (!is_valid_ether_addr(addr->sa_data))
7879 return -EADDRNOTAVAIL;
7881 if (ether_addr_equal(addr->sa_data, dev->dev_addr))
7884 rc = bnxt_approve_mac(bp, addr->sa_data);
7888 memcpy(dev->dev_addr, addr->sa_data, dev->addr_len);
7889 if (netif_running(dev)) {
7890 bnxt_close_nic(bp, false, false);
7891 rc = bnxt_open_nic(bp, false, false);
7897 /* rtnl_lock held */
7898 static int bnxt_change_mtu(struct net_device *dev, int new_mtu)
7900 struct bnxt *bp = netdev_priv(dev);
7902 if (netif_running(dev))
7903 bnxt_close_nic(bp, false, false);
7906 bnxt_set_ring_params(bp);
7908 if (netif_running(dev))
7909 return bnxt_open_nic(bp, false, false);
7914 int bnxt_setup_mq_tc(struct net_device *dev, u8 tc)
7916 struct bnxt *bp = netdev_priv(dev);
7920 if (tc > bp->max_tc) {
7921 netdev_err(dev, "Too many traffic classes requested: %d. Max supported is %d.\n",
7926 if (netdev_get_num_tc(dev) == tc)
7929 if (bp->flags & BNXT_FLAG_SHARED_RINGS)
7932 rc = bnxt_check_rings(bp, bp->tx_nr_rings_per_tc, bp->rx_nr_rings,
7933 sh, tc, bp->tx_nr_rings_xdp);
7937 /* Needs to close the device and do hw resource re-allocations */
7938 if (netif_running(bp->dev))
7939 bnxt_close_nic(bp, true, false);
7942 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tc;
7943 netdev_set_num_tc(dev, tc);
7945 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
7946 netdev_reset_tc(dev);
7948 bp->tx_nr_rings += bp->tx_nr_rings_xdp;
7949 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
7950 bp->tx_nr_rings + bp->rx_nr_rings;
7951 bp->num_stat_ctxs = bp->cp_nr_rings;
7953 if (netif_running(bp->dev))
7954 return bnxt_open_nic(bp, true, false);
7959 static int bnxt_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
7962 struct bnxt *bp = cb_priv;
7964 if (!bnxt_tc_flower_enabled(bp) ||
7965 !tc_cls_can_offload_and_chain0(bp->dev, type_data))
7969 case TC_SETUP_CLSFLOWER:
7970 return bnxt_tc_setup_flower(bp, bp->pf.fw_fid, type_data);
7976 static int bnxt_setup_tc_block(struct net_device *dev,
7977 struct tc_block_offload *f)
7979 struct bnxt *bp = netdev_priv(dev);
7981 if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
7984 switch (f->command) {
7986 return tcf_block_cb_register(f->block, bnxt_setup_tc_block_cb,
7988 case TC_BLOCK_UNBIND:
7989 tcf_block_cb_unregister(f->block, bnxt_setup_tc_block_cb, bp);
7996 static int bnxt_setup_tc(struct net_device *dev, enum tc_setup_type type,
8000 case TC_SETUP_BLOCK:
8001 return bnxt_setup_tc_block(dev, type_data);
8002 case TC_SETUP_QDISC_MQPRIO: {
8003 struct tc_mqprio_qopt *mqprio = type_data;
8005 mqprio->hw = TC_MQPRIO_HW_OFFLOAD_TCS;
8007 return bnxt_setup_mq_tc(dev, mqprio->num_tc);
8014 #ifdef CONFIG_RFS_ACCEL
8015 static bool bnxt_fltr_match(struct bnxt_ntuple_filter *f1,
8016 struct bnxt_ntuple_filter *f2)
8018 struct flow_keys *keys1 = &f1->fkeys;
8019 struct flow_keys *keys2 = &f2->fkeys;
8021 if (keys1->addrs.v4addrs.src == keys2->addrs.v4addrs.src &&
8022 keys1->addrs.v4addrs.dst == keys2->addrs.v4addrs.dst &&
8023 keys1->ports.ports == keys2->ports.ports &&
8024 keys1->basic.ip_proto == keys2->basic.ip_proto &&
8025 keys1->basic.n_proto == keys2->basic.n_proto &&
8026 keys1->control.flags == keys2->control.flags &&
8027 ether_addr_equal(f1->src_mac_addr, f2->src_mac_addr) &&
8028 ether_addr_equal(f1->dst_mac_addr, f2->dst_mac_addr))
8034 static int bnxt_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
8035 u16 rxq_index, u32 flow_id)
8037 struct bnxt *bp = netdev_priv(dev);
8038 struct bnxt_ntuple_filter *fltr, *new_fltr;
8039 struct flow_keys *fkeys;
8040 struct ethhdr *eth = (struct ethhdr *)skb_mac_header(skb);
8041 int rc = 0, idx, bit_id, l2_idx = 0;
8042 struct hlist_head *head;
8044 if (!ether_addr_equal(dev->dev_addr, eth->h_dest)) {
8045 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
8048 netif_addr_lock_bh(dev);
8049 for (j = 0; j < vnic->uc_filter_count; j++, off += ETH_ALEN) {
8050 if (ether_addr_equal(eth->h_dest,
8051 vnic->uc_list + off)) {
8056 netif_addr_unlock_bh(dev);
8060 new_fltr = kzalloc(sizeof(*new_fltr), GFP_ATOMIC);
8064 fkeys = &new_fltr->fkeys;
8065 if (!skb_flow_dissect_flow_keys(skb, fkeys, 0)) {
8066 rc = -EPROTONOSUPPORT;
8070 if ((fkeys->basic.n_proto != htons(ETH_P_IP) &&
8071 fkeys->basic.n_proto != htons(ETH_P_IPV6)) ||
8072 ((fkeys->basic.ip_proto != IPPROTO_TCP) &&
8073 (fkeys->basic.ip_proto != IPPROTO_UDP))) {
8074 rc = -EPROTONOSUPPORT;
8077 if (fkeys->basic.n_proto == htons(ETH_P_IPV6) &&
8078 bp->hwrm_spec_code < 0x10601) {
8079 rc = -EPROTONOSUPPORT;
8082 if ((fkeys->control.flags & FLOW_DIS_ENCAPSULATION) &&
8083 bp->hwrm_spec_code < 0x10601) {
8084 rc = -EPROTONOSUPPORT;
8088 memcpy(new_fltr->dst_mac_addr, eth->h_dest, ETH_ALEN);
8089 memcpy(new_fltr->src_mac_addr, eth->h_source, ETH_ALEN);
8091 idx = skb_get_hash_raw(skb) & BNXT_NTP_FLTR_HASH_MASK;
8092 head = &bp->ntp_fltr_hash_tbl[idx];
8094 hlist_for_each_entry_rcu(fltr, head, hash) {
8095 if (bnxt_fltr_match(fltr, new_fltr)) {
8103 spin_lock_bh(&bp->ntp_fltr_lock);
8104 bit_id = bitmap_find_free_region(bp->ntp_fltr_bmap,
8105 BNXT_NTP_FLTR_MAX_FLTR, 0);
8107 spin_unlock_bh(&bp->ntp_fltr_lock);
8112 new_fltr->sw_id = (u16)bit_id;
8113 new_fltr->flow_id = flow_id;
8114 new_fltr->l2_fltr_idx = l2_idx;
8115 new_fltr->rxq = rxq_index;
8116 hlist_add_head_rcu(&new_fltr->hash, head);
8117 bp->ntp_fltr_count++;
8118 spin_unlock_bh(&bp->ntp_fltr_lock);
8120 set_bit(BNXT_RX_NTP_FLTR_SP_EVENT, &bp->sp_event);
8121 bnxt_queue_sp_work(bp);
8123 return new_fltr->sw_id;
8130 static void bnxt_cfg_ntp_filters(struct bnxt *bp)
8134 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
8135 struct hlist_head *head;
8136 struct hlist_node *tmp;
8137 struct bnxt_ntuple_filter *fltr;
8140 head = &bp->ntp_fltr_hash_tbl[i];
8141 hlist_for_each_entry_safe(fltr, tmp, head, hash) {
8144 if (test_bit(BNXT_FLTR_VALID, &fltr->state)) {
8145 if (rps_may_expire_flow(bp->dev, fltr->rxq,
8148 bnxt_hwrm_cfa_ntuple_filter_free(bp,
8153 rc = bnxt_hwrm_cfa_ntuple_filter_alloc(bp,
8158 set_bit(BNXT_FLTR_VALID, &fltr->state);
8162 spin_lock_bh(&bp->ntp_fltr_lock);
8163 hlist_del_rcu(&fltr->hash);
8164 bp->ntp_fltr_count--;
8165 spin_unlock_bh(&bp->ntp_fltr_lock);
8167 clear_bit(fltr->sw_id, bp->ntp_fltr_bmap);
8172 if (test_and_clear_bit(BNXT_HWRM_PF_UNLOAD_SP_EVENT, &bp->sp_event))
8173 netdev_info(bp->dev, "Receive PF driver unload event!");
8178 static void bnxt_cfg_ntp_filters(struct bnxt *bp)
8182 #endif /* CONFIG_RFS_ACCEL */
8184 static void bnxt_udp_tunnel_add(struct net_device *dev,
8185 struct udp_tunnel_info *ti)
8187 struct bnxt *bp = netdev_priv(dev);
8189 if (ti->sa_family != AF_INET6 && ti->sa_family != AF_INET)
8192 if (!netif_running(dev))
8196 case UDP_TUNNEL_TYPE_VXLAN:
8197 if (bp->vxlan_port_cnt && bp->vxlan_port != ti->port)
8200 bp->vxlan_port_cnt++;
8201 if (bp->vxlan_port_cnt == 1) {
8202 bp->vxlan_port = ti->port;
8203 set_bit(BNXT_VXLAN_ADD_PORT_SP_EVENT, &bp->sp_event);
8204 bnxt_queue_sp_work(bp);
8207 case UDP_TUNNEL_TYPE_GENEVE:
8208 if (bp->nge_port_cnt && bp->nge_port != ti->port)
8212 if (bp->nge_port_cnt == 1) {
8213 bp->nge_port = ti->port;
8214 set_bit(BNXT_GENEVE_ADD_PORT_SP_EVENT, &bp->sp_event);
8221 bnxt_queue_sp_work(bp);
8224 static void bnxt_udp_tunnel_del(struct net_device *dev,
8225 struct udp_tunnel_info *ti)
8227 struct bnxt *bp = netdev_priv(dev);
8229 if (ti->sa_family != AF_INET6 && ti->sa_family != AF_INET)
8232 if (!netif_running(dev))
8236 case UDP_TUNNEL_TYPE_VXLAN:
8237 if (!bp->vxlan_port_cnt || bp->vxlan_port != ti->port)
8239 bp->vxlan_port_cnt--;
8241 if (bp->vxlan_port_cnt != 0)
8244 set_bit(BNXT_VXLAN_DEL_PORT_SP_EVENT, &bp->sp_event);
8246 case UDP_TUNNEL_TYPE_GENEVE:
8247 if (!bp->nge_port_cnt || bp->nge_port != ti->port)
8251 if (bp->nge_port_cnt != 0)
8254 set_bit(BNXT_GENEVE_DEL_PORT_SP_EVENT, &bp->sp_event);
8260 bnxt_queue_sp_work(bp);
8263 static int bnxt_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq,
8264 struct net_device *dev, u32 filter_mask,
8267 struct bnxt *bp = netdev_priv(dev);
8269 return ndo_dflt_bridge_getlink(skb, pid, seq, dev, bp->br_mode, 0, 0,
8270 nlflags, filter_mask, NULL);
8273 static int bnxt_bridge_setlink(struct net_device *dev, struct nlmsghdr *nlh,
8276 struct bnxt *bp = netdev_priv(dev);
8277 struct nlattr *attr, *br_spec;
8280 if (bp->hwrm_spec_code < 0x10708 || !BNXT_SINGLE_PF(bp))
8283 br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
8287 nla_for_each_nested(attr, br_spec, rem) {
8290 if (nla_type(attr) != IFLA_BRIDGE_MODE)
8293 if (nla_len(attr) < sizeof(mode))
8296 mode = nla_get_u16(attr);
8297 if (mode == bp->br_mode)
8300 rc = bnxt_hwrm_set_br_mode(bp, mode);
8308 static int bnxt_get_phys_port_name(struct net_device *dev, char *buf,
8311 struct bnxt *bp = netdev_priv(dev);
8314 /* The PF and it's VF-reps only support the switchdev framework */
8318 rc = snprintf(buf, len, "p%d", bp->pf.port_id);
8325 int bnxt_port_attr_get(struct bnxt *bp, struct switchdev_attr *attr)
8327 if (bp->eswitch_mode != DEVLINK_ESWITCH_MODE_SWITCHDEV)
8330 /* The PF and it's VF-reps only support the switchdev framework */
8335 case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
8336 attr->u.ppid.id_len = sizeof(bp->switch_id);
8337 memcpy(attr->u.ppid.id, bp->switch_id, attr->u.ppid.id_len);
8345 static int bnxt_swdev_port_attr_get(struct net_device *dev,
8346 struct switchdev_attr *attr)
8348 return bnxt_port_attr_get(netdev_priv(dev), attr);
8351 static const struct switchdev_ops bnxt_switchdev_ops = {
8352 .switchdev_port_attr_get = bnxt_swdev_port_attr_get
8355 static const struct net_device_ops bnxt_netdev_ops = {
8356 .ndo_open = bnxt_open,
8357 .ndo_start_xmit = bnxt_start_xmit,
8358 .ndo_stop = bnxt_close,
8359 .ndo_get_stats64 = bnxt_get_stats64,
8360 .ndo_set_rx_mode = bnxt_set_rx_mode,
8361 .ndo_do_ioctl = bnxt_ioctl,
8362 .ndo_validate_addr = eth_validate_addr,
8363 .ndo_set_mac_address = bnxt_change_mac_addr,
8364 .ndo_change_mtu = bnxt_change_mtu,
8365 .ndo_fix_features = bnxt_fix_features,
8366 .ndo_set_features = bnxt_set_features,
8367 .ndo_tx_timeout = bnxt_tx_timeout,
8368 #ifdef CONFIG_BNXT_SRIOV
8369 .ndo_get_vf_config = bnxt_get_vf_config,
8370 .ndo_set_vf_mac = bnxt_set_vf_mac,
8371 .ndo_set_vf_vlan = bnxt_set_vf_vlan,
8372 .ndo_set_vf_rate = bnxt_set_vf_bw,
8373 .ndo_set_vf_link_state = bnxt_set_vf_link_state,
8374 .ndo_set_vf_spoofchk = bnxt_set_vf_spoofchk,
8375 .ndo_set_vf_trust = bnxt_set_vf_trust,
8377 #ifdef CONFIG_NET_POLL_CONTROLLER
8378 .ndo_poll_controller = bnxt_poll_controller,
8380 .ndo_setup_tc = bnxt_setup_tc,
8381 #ifdef CONFIG_RFS_ACCEL
8382 .ndo_rx_flow_steer = bnxt_rx_flow_steer,
8384 .ndo_udp_tunnel_add = bnxt_udp_tunnel_add,
8385 .ndo_udp_tunnel_del = bnxt_udp_tunnel_del,
8386 .ndo_bpf = bnxt_xdp,
8387 .ndo_bridge_getlink = bnxt_bridge_getlink,
8388 .ndo_bridge_setlink = bnxt_bridge_setlink,
8389 .ndo_get_phys_port_name = bnxt_get_phys_port_name
8392 static void bnxt_remove_one(struct pci_dev *pdev)
8394 struct net_device *dev = pci_get_drvdata(pdev);
8395 struct bnxt *bp = netdev_priv(dev);
8398 bnxt_sriov_disable(bp);
8399 bnxt_dl_unregister(bp);
8402 pci_disable_pcie_error_reporting(pdev);
8403 unregister_netdev(dev);
8404 bnxt_shutdown_tc(bp);
8405 bnxt_cancel_sp_work(bp);
8408 bnxt_clear_int_mode(bp);
8409 bnxt_hwrm_func_drv_unrgtr(bp);
8410 bnxt_free_hwrm_resources(bp);
8411 bnxt_free_hwrm_short_cmd_req(bp);
8412 bnxt_ethtool_free(bp);
8416 bnxt_cleanup_pci(bp);
8420 static int bnxt_probe_phy(struct bnxt *bp)
8423 struct bnxt_link_info *link_info = &bp->link_info;
8425 rc = bnxt_hwrm_phy_qcaps(bp);
8427 netdev_err(bp->dev, "Probe phy can't get phy capabilities (rc: %x)\n",
8431 mutex_init(&bp->link_lock);
8433 rc = bnxt_update_link(bp, false);
8435 netdev_err(bp->dev, "Probe phy can't update link (rc: %x)\n",
8440 /* Older firmware does not have supported_auto_speeds, so assume
8441 * that all supported speeds can be autonegotiated.
8443 if (link_info->auto_link_speeds && !link_info->support_auto_speeds)
8444 link_info->support_auto_speeds = link_info->support_speeds;
8446 /*initialize the ethool setting copy with NVM settings */
8447 if (BNXT_AUTO_MODE(link_info->auto_mode)) {
8448 link_info->autoneg = BNXT_AUTONEG_SPEED;
8449 if (bp->hwrm_spec_code >= 0x10201) {
8450 if (link_info->auto_pause_setting &
8451 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE)
8452 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
8454 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
8456 link_info->advertising = link_info->auto_link_speeds;
8458 link_info->req_link_speed = link_info->force_link_speed;
8459 link_info->req_duplex = link_info->duplex_setting;
8461 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
8462 link_info->req_flow_ctrl =
8463 link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH;
8465 link_info->req_flow_ctrl = link_info->force_pause_setting;
8469 static int bnxt_get_max_irq(struct pci_dev *pdev)
8473 if (!pdev->msix_cap)
8476 pci_read_config_word(pdev, pdev->msix_cap + PCI_MSIX_FLAGS, &ctrl);
8477 return (ctrl & PCI_MSIX_FLAGS_QSIZE) + 1;
8480 static void _bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx,
8483 struct bnxt_hw_resc *hw_resc = &bp->hw_resc;
8484 int max_ring_grps = 0;
8486 *max_tx = hw_resc->max_tx_rings;
8487 *max_rx = hw_resc->max_rx_rings;
8488 *max_cp = min_t(int, hw_resc->max_irqs, hw_resc->max_cp_rings);
8489 *max_cp = min_t(int, *max_cp, hw_resc->max_stat_ctxs);
8490 max_ring_grps = hw_resc->max_hw_ring_grps;
8491 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && BNXT_PF(bp)) {
8495 if (bp->flags & BNXT_FLAG_AGG_RINGS)
8497 *max_rx = min_t(int, *max_rx, max_ring_grps);
8500 int bnxt_get_max_rings(struct bnxt *bp, int *max_rx, int *max_tx, bool shared)
8504 _bnxt_get_max_rings(bp, &rx, &tx, &cp);
8505 if (!rx || !tx || !cp)
8510 return bnxt_trim_rings(bp, max_rx, max_tx, cp, shared);
8513 static int bnxt_get_dflt_rings(struct bnxt *bp, int *max_rx, int *max_tx,
8518 rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared);
8519 if (rc && (bp->flags & BNXT_FLAG_AGG_RINGS)) {
8520 /* Not enough rings, try disabling agg rings. */
8521 bp->flags &= ~BNXT_FLAG_AGG_RINGS;
8522 rc = bnxt_get_max_rings(bp, max_rx, max_tx, shared);
8525 bp->flags |= BNXT_FLAG_NO_AGG_RINGS;
8526 bp->dev->hw_features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
8527 bp->dev->features &= ~(NETIF_F_LRO | NETIF_F_GRO_HW);
8528 bnxt_set_ring_params(bp);
8531 if (bp->flags & BNXT_FLAG_ROCE_CAP) {
8532 int max_cp, max_stat, max_irq;
8534 /* Reserve minimum resources for RoCE */
8535 max_cp = bnxt_get_max_func_cp_rings(bp);
8536 max_stat = bnxt_get_max_func_stat_ctxs(bp);
8537 max_irq = bnxt_get_max_func_irqs(bp);
8538 if (max_cp <= BNXT_MIN_ROCE_CP_RINGS ||
8539 max_irq <= BNXT_MIN_ROCE_CP_RINGS ||
8540 max_stat <= BNXT_MIN_ROCE_STAT_CTXS)
8543 max_cp -= BNXT_MIN_ROCE_CP_RINGS;
8544 max_irq -= BNXT_MIN_ROCE_CP_RINGS;
8545 max_stat -= BNXT_MIN_ROCE_STAT_CTXS;
8546 max_cp = min_t(int, max_cp, max_irq);
8547 max_cp = min_t(int, max_cp, max_stat);
8548 rc = bnxt_trim_rings(bp, max_rx, max_tx, max_cp, shared);
8555 /* In initial default shared ring setting, each shared ring must have a
8558 static void bnxt_trim_dflt_sh_rings(struct bnxt *bp)
8560 bp->cp_nr_rings = min_t(int, bp->tx_nr_rings_per_tc, bp->rx_nr_rings);
8561 bp->rx_nr_rings = bp->cp_nr_rings;
8562 bp->tx_nr_rings_per_tc = bp->cp_nr_rings;
8563 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
8566 static int bnxt_set_dflt_rings(struct bnxt *bp, bool sh)
8568 int dflt_rings, max_rx_rings, max_tx_rings, rc;
8570 if (!bnxt_can_reserve_rings(bp))
8574 bp->flags |= BNXT_FLAG_SHARED_RINGS;
8575 dflt_rings = netif_get_num_default_rss_queues();
8576 /* Reduce default rings on multi-port cards so that total default
8577 * rings do not exceed CPU count.
8579 if (bp->port_count > 1) {
8581 max_t(int, num_online_cpus() / bp->port_count, 1);
8583 dflt_rings = min_t(int, dflt_rings, max_rings);
8585 rc = bnxt_get_dflt_rings(bp, &max_rx_rings, &max_tx_rings, sh);
8588 bp->rx_nr_rings = min_t(int, dflt_rings, max_rx_rings);
8589 bp->tx_nr_rings_per_tc = min_t(int, dflt_rings, max_tx_rings);
8591 bnxt_trim_dflt_sh_rings(bp);
8593 bp->cp_nr_rings = bp->tx_nr_rings_per_tc + bp->rx_nr_rings;
8594 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
8596 rc = __bnxt_reserve_rings(bp);
8598 netdev_warn(bp->dev, "Unable to reserve tx rings\n");
8599 bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
8601 bnxt_trim_dflt_sh_rings(bp);
8603 /* Rings may have been trimmed, re-reserve the trimmed rings. */
8604 if (bnxt_need_reserve_rings(bp)) {
8605 rc = __bnxt_reserve_rings(bp);
8607 netdev_warn(bp->dev, "2nd rings reservation failed.\n");
8608 bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
8610 bp->num_stat_ctxs = bp->cp_nr_rings;
8611 if (BNXT_CHIP_TYPE_NITRO_A0(bp)) {
8618 static int bnxt_init_dflt_ring_mode(struct bnxt *bp)
8622 if (bp->tx_nr_rings)
8625 rc = bnxt_set_dflt_rings(bp, true);
8627 netdev_err(bp->dev, "Not enough rings available.\n");
8630 rc = bnxt_init_int_mode(bp);
8633 bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
8634 if (bnxt_rfs_supported(bp) && bnxt_rfs_capable(bp)) {
8635 bp->flags |= BNXT_FLAG_RFS;
8636 bp->dev->features |= NETIF_F_NTUPLE;
8641 int bnxt_restore_pf_fw_resources(struct bnxt *bp)
8646 bnxt_hwrm_func_qcaps(bp);
8648 if (netif_running(bp->dev))
8649 __bnxt_close_nic(bp, true, false);
8651 bnxt_ulp_irq_stop(bp);
8652 bnxt_clear_int_mode(bp);
8653 rc = bnxt_init_int_mode(bp);
8654 bnxt_ulp_irq_restart(bp, rc);
8656 if (netif_running(bp->dev)) {
8660 rc = bnxt_open_nic(bp, true, false);
8666 static int bnxt_init_mac_addr(struct bnxt *bp)
8671 memcpy(bp->dev->dev_addr, bp->pf.mac_addr, ETH_ALEN);
8673 #ifdef CONFIG_BNXT_SRIOV
8674 struct bnxt_vf_info *vf = &bp->vf;
8676 if (is_valid_ether_addr(vf->mac_addr)) {
8677 /* overwrite netdev dev_addr with admin VF MAC */
8678 memcpy(bp->dev->dev_addr, vf->mac_addr, ETH_ALEN);
8680 eth_hw_addr_random(bp->dev);
8682 rc = bnxt_approve_mac(bp, bp->dev->dev_addr);
8688 static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
8690 static int version_printed;
8691 struct net_device *dev;
8695 if (pci_is_bridge(pdev))
8698 if (version_printed++ == 0)
8699 pr_info("%s", version);
8701 max_irqs = bnxt_get_max_irq(pdev);
8702 dev = alloc_etherdev_mq(sizeof(*bp), max_irqs);
8706 bp = netdev_priv(dev);
8708 if (bnxt_vf_pciid(ent->driver_data))
8709 bp->flags |= BNXT_FLAG_VF;
8712 bp->flags |= BNXT_FLAG_MSIX_CAP;
8714 rc = bnxt_init_board(pdev, dev);
8718 dev->netdev_ops = &bnxt_netdev_ops;
8719 dev->watchdog_timeo = BNXT_TX_TIMEOUT;
8720 dev->ethtool_ops = &bnxt_ethtool_ops;
8721 SWITCHDEV_SET_OPS(dev, &bnxt_switchdev_ops);
8722 pci_set_drvdata(pdev, dev);
8724 rc = bnxt_alloc_hwrm_resources(bp);
8726 goto init_err_pci_clean;
8728 mutex_init(&bp->hwrm_cmd_lock);
8729 rc = bnxt_hwrm_ver_get(bp);
8731 goto init_err_pci_clean;
8733 if (bp->flags & BNXT_FLAG_SHORT_CMD) {
8734 rc = bnxt_alloc_hwrm_short_cmd_req(bp);
8736 goto init_err_pci_clean;
8739 rc = bnxt_hwrm_func_reset(bp);
8741 goto init_err_pci_clean;
8743 bnxt_hwrm_fw_set_time(bp);
8745 dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
8746 NETIF_F_TSO | NETIF_F_TSO6 |
8747 NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
8748 NETIF_F_GSO_IPXIP4 |
8749 NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
8750 NETIF_F_GSO_PARTIAL | NETIF_F_RXHASH |
8751 NETIF_F_RXCSUM | NETIF_F_GRO;
8753 if (!BNXT_CHIP_TYPE_NITRO_A0(bp))
8754 dev->hw_features |= NETIF_F_LRO;
8756 dev->hw_enc_features =
8757 NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG |
8758 NETIF_F_TSO | NETIF_F_TSO6 |
8759 NETIF_F_GSO_UDP_TUNNEL | NETIF_F_GSO_GRE |
8760 NETIF_F_GSO_UDP_TUNNEL_CSUM | NETIF_F_GSO_GRE_CSUM |
8761 NETIF_F_GSO_IPXIP4 | NETIF_F_GSO_PARTIAL;
8762 dev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM |
8763 NETIF_F_GSO_GRE_CSUM;
8764 dev->vlan_features = dev->hw_features | NETIF_F_HIGHDMA;
8765 dev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_TX |
8766 NETIF_F_HW_VLAN_STAG_RX | NETIF_F_HW_VLAN_STAG_TX;
8767 if (!BNXT_CHIP_TYPE_NITRO_A0(bp))
8768 dev->hw_features |= NETIF_F_GRO_HW;
8769 dev->features |= dev->hw_features | NETIF_F_HIGHDMA;
8770 if (dev->features & NETIF_F_GRO_HW)
8771 dev->features &= ~NETIF_F_LRO;
8772 dev->priv_flags |= IFF_UNICAST_FLT;
8774 #ifdef CONFIG_BNXT_SRIOV
8775 init_waitqueue_head(&bp->sriov_cfg_wait);
8776 mutex_init(&bp->sriov_lock);
8778 bp->gro_func = bnxt_gro_func_5730x;
8779 if (BNXT_CHIP_P4_PLUS(bp))
8780 bp->gro_func = bnxt_gro_func_5731x;
8782 bp->flags |= BNXT_FLAG_DOUBLE_DB;
8784 rc = bnxt_hwrm_func_drv_rgtr(bp);
8786 goto init_err_pci_clean;
8788 rc = bnxt_hwrm_func_rgtr_async_events(bp, NULL, 0);
8790 goto init_err_pci_clean;
8792 bp->ulp_probe = bnxt_ulp_probe;
8794 /* Get the MAX capabilities for this function */
8795 rc = bnxt_hwrm_func_qcaps(bp);
8797 netdev_err(bp->dev, "hwrm query capability failure rc: %x\n",
8800 goto init_err_pci_clean;
8802 rc = bnxt_init_mac_addr(bp);
8804 dev_err(&pdev->dev, "Unable to initialize mac address.\n");
8805 rc = -EADDRNOTAVAIL;
8806 goto init_err_pci_clean;
8808 rc = bnxt_hwrm_queue_qportcfg(bp);
8810 netdev_err(bp->dev, "hwrm query qportcfg failure rc: %x\n",
8813 goto init_err_pci_clean;
8816 bnxt_hwrm_func_qcfg(bp);
8817 bnxt_hwrm_port_led_qcaps(bp);
8818 bnxt_ethtool_init(bp);
8821 /* MTU range: 60 - FW defined max */
8822 dev->min_mtu = ETH_ZLEN;
8823 dev->max_mtu = bp->max_mtu;
8825 rc = bnxt_probe_phy(bp);
8827 goto init_err_pci_clean;
8829 bnxt_set_rx_skb_mode(bp, false);
8830 bnxt_set_tpa_flags(bp);
8831 bnxt_set_ring_params(bp);
8832 bnxt_set_max_func_irqs(bp, max_irqs);
8833 rc = bnxt_set_dflt_rings(bp, true);
8835 netdev_err(bp->dev, "Not enough rings available.\n");
8837 goto init_err_pci_clean;
8840 /* Default RSS hash cfg. */
8841 bp->rss_hash_cfg = VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4 |
8842 VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4 |
8843 VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6 |
8844 VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
8845 if (BNXT_CHIP_P4_PLUS(bp) && bp->hwrm_spec_code >= 0x10501) {
8846 bp->flags |= BNXT_FLAG_UDP_RSS_CAP;
8847 bp->rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4 |
8848 VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
8851 bnxt_hwrm_vnic_qcaps(bp);
8852 if (bnxt_rfs_supported(bp)) {
8853 dev->hw_features |= NETIF_F_NTUPLE;
8854 if (bnxt_rfs_capable(bp)) {
8855 bp->flags |= BNXT_FLAG_RFS;
8856 dev->features |= NETIF_F_NTUPLE;
8860 if (dev->hw_features & NETIF_F_HW_VLAN_CTAG_RX)
8861 bp->flags |= BNXT_FLAG_STRIP_VLAN;
8863 rc = bnxt_init_int_mode(bp);
8865 goto init_err_pci_clean;
8867 /* No TC has been set yet and rings may have been trimmed due to
8868 * limited MSIX, so we re-initialize the TX rings per TC.
8870 bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
8872 bnxt_get_wol_settings(bp);
8873 if (bp->flags & BNXT_FLAG_WOL_CAP)
8874 device_set_wakeup_enable(&pdev->dev, bp->wol);
8876 device_set_wakeup_capable(&pdev->dev, false);
8878 bnxt_hwrm_set_cache_line_size(bp, cache_line_size());
8883 create_singlethread_workqueue("bnxt_pf_wq");
8885 dev_err(&pdev->dev, "Unable to create workqueue.\n");
8886 goto init_err_pci_clean;
8892 rc = register_netdev(dev);
8894 goto init_err_cleanup_tc;
8897 bnxt_dl_register(bp);
8899 netdev_info(dev, "%s found at mem %lx, node addr %pM\n",
8900 board_info[ent->driver_data].name,
8901 (long)pci_resource_start(pdev, 0), dev->dev_addr);
8902 pcie_print_link_status(pdev);
8906 init_err_cleanup_tc:
8907 bnxt_shutdown_tc(bp);
8908 bnxt_clear_int_mode(bp);
8911 bnxt_cleanup_pci(bp);
8918 static void bnxt_shutdown(struct pci_dev *pdev)
8920 struct net_device *dev = pci_get_drvdata(pdev);
8927 bp = netdev_priv(dev);
8931 if (netif_running(dev))
8934 bnxt_ulp_shutdown(bp);
8936 if (system_state == SYSTEM_POWER_OFF) {
8937 bnxt_clear_int_mode(bp);
8938 pci_wake_from_d3(pdev, bp->wol);
8939 pci_set_power_state(pdev, PCI_D3hot);
8946 #ifdef CONFIG_PM_SLEEP
8947 static int bnxt_suspend(struct device *device)
8949 struct pci_dev *pdev = to_pci_dev(device);
8950 struct net_device *dev = pci_get_drvdata(pdev);
8951 struct bnxt *bp = netdev_priv(dev);
8955 if (netif_running(dev)) {
8956 netif_device_detach(dev);
8957 rc = bnxt_close(dev);
8959 bnxt_hwrm_func_drv_unrgtr(bp);
8964 static int bnxt_resume(struct device *device)
8966 struct pci_dev *pdev = to_pci_dev(device);
8967 struct net_device *dev = pci_get_drvdata(pdev);
8968 struct bnxt *bp = netdev_priv(dev);
8972 if (bnxt_hwrm_ver_get(bp) || bnxt_hwrm_func_drv_rgtr(bp)) {
8976 rc = bnxt_hwrm_func_reset(bp);
8981 bnxt_get_wol_settings(bp);
8982 if (netif_running(dev)) {
8983 rc = bnxt_open(dev);
8985 netif_device_attach(dev);
8993 static SIMPLE_DEV_PM_OPS(bnxt_pm_ops, bnxt_suspend, bnxt_resume);
8994 #define BNXT_PM_OPS (&bnxt_pm_ops)
8998 #define BNXT_PM_OPS NULL
9000 #endif /* CONFIG_PM_SLEEP */
9003 * bnxt_io_error_detected - called when PCI error is detected
9004 * @pdev: Pointer to PCI device
9005 * @state: The current pci connection state
9007 * This function is called after a PCI bus error affecting
9008 * this device has been detected.
9010 static pci_ers_result_t bnxt_io_error_detected(struct pci_dev *pdev,
9011 pci_channel_state_t state)
9013 struct net_device *netdev = pci_get_drvdata(pdev);
9014 struct bnxt *bp = netdev_priv(netdev);
9016 netdev_info(netdev, "PCI I/O error detected\n");
9019 netif_device_detach(netdev);
9023 if (state == pci_channel_io_perm_failure) {
9025 return PCI_ERS_RESULT_DISCONNECT;
9028 if (netif_running(netdev))
9031 pci_disable_device(pdev);
9034 /* Request a slot slot reset. */
9035 return PCI_ERS_RESULT_NEED_RESET;
9039 * bnxt_io_slot_reset - called after the pci bus has been reset.
9040 * @pdev: Pointer to PCI device
9042 * Restart the card from scratch, as if from a cold-boot.
9043 * At this point, the card has exprienced a hard reset,
9044 * followed by fixups by BIOS, and has its config space
9045 * set up identically to what it was at cold boot.
9047 static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
9049 struct net_device *netdev = pci_get_drvdata(pdev);
9050 struct bnxt *bp = netdev_priv(netdev);
9052 pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
9054 netdev_info(bp->dev, "PCI Slot Reset\n");
9058 if (pci_enable_device(pdev)) {
9060 "Cannot re-enable PCI device after reset.\n");
9062 pci_set_master(pdev);
9064 err = bnxt_hwrm_func_reset(bp);
9065 if (!err && netif_running(netdev))
9066 err = bnxt_open(netdev);
9069 result = PCI_ERS_RESULT_RECOVERED;
9074 if (result != PCI_ERS_RESULT_RECOVERED && netif_running(netdev))
9079 err = pci_cleanup_aer_uncorrect_error_status(pdev);
9082 "pci_cleanup_aer_uncorrect_error_status failed 0x%0x\n",
9083 err); /* non-fatal, continue */
9086 return PCI_ERS_RESULT_RECOVERED;
9090 * bnxt_io_resume - called when traffic can start flowing again.
9091 * @pdev: Pointer to PCI device
9093 * This callback is called when the error recovery driver tells
9094 * us that its OK to resume normal operation.
9096 static void bnxt_io_resume(struct pci_dev *pdev)
9098 struct net_device *netdev = pci_get_drvdata(pdev);
9102 netif_device_attach(netdev);
9107 static const struct pci_error_handlers bnxt_err_handler = {
9108 .error_detected = bnxt_io_error_detected,
9109 .slot_reset = bnxt_io_slot_reset,
9110 .resume = bnxt_io_resume
9113 static struct pci_driver bnxt_pci_driver = {
9114 .name = DRV_MODULE_NAME,
9115 .id_table = bnxt_pci_tbl,
9116 .probe = bnxt_init_one,
9117 .remove = bnxt_remove_one,
9118 .shutdown = bnxt_shutdown,
9119 .driver.pm = BNXT_PM_OPS,
9120 .err_handler = &bnxt_err_handler,
9121 #if defined(CONFIG_BNXT_SRIOV)
9122 .sriov_configure = bnxt_sriov_configure,
9126 static int __init bnxt_init(void)
9129 return pci_register_driver(&bnxt_pci_driver);
9132 static void __exit bnxt_exit(void)
9134 pci_unregister_driver(&bnxt_pci_driver);
9136 destroy_workqueue(bnxt_pf_wq);
9140 module_init(bnxt_init);
9141 module_exit(bnxt_exit);