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e586b3b0 | 1 | /* |
98795158 | 2 | * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved. |
e586b3b0 AV |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
33 | #include <linux/tcp.h> | |
34 | #include <linux/if_vlan.h> | |
35 | #include "en.h" | |
36 | ||
12be4b21 SM |
37 | #define MLX5E_SQ_NOPS_ROOM MLX5_SEND_WQE_MAX_WQEBBS |
38 | #define MLX5E_SQ_STOP_ROOM (MLX5_SEND_WQE_MAX_WQEBBS +\ | |
39 | MLX5E_SQ_NOPS_ROOM) | |
40 | ||
41 | void mlx5e_send_nop(struct mlx5e_sq *sq, bool notify_hw) | |
42 | { | |
43 | struct mlx5_wq_cyc *wq = &sq->wq; | |
44 | ||
45 | u16 pi = sq->pc & wq->sz_m1; | |
46 | struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi); | |
47 | ||
48 | struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; | |
49 | ||
50 | memset(cseg, 0, sizeof(*cseg)); | |
51 | ||
52 | cseg->opmod_idx_opcode = cpu_to_be32((sq->pc << 8) | MLX5_OPCODE_NOP); | |
53 | cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | 0x01); | |
54 | ||
55 | sq->skb[pi] = NULL; | |
56 | sq->pc++; | |
d3c9bc27 | 57 | sq->stats.nop++; |
12be4b21 SM |
58 | |
59 | if (notify_hw) { | |
60 | cseg->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE; | |
bc77b240 | 61 | mlx5e_tx_notify_hw(sq, &wqe->ctrl, 0); |
12be4b21 SM |
62 | } |
63 | } | |
64 | ||
d4e28cbd AS |
65 | static inline void mlx5e_tx_dma_unmap(struct device *pdev, |
66 | struct mlx5e_sq_dma *dma) | |
e586b3b0 | 67 | { |
d4e28cbd AS |
68 | switch (dma->type) { |
69 | case MLX5E_DMA_MAP_SINGLE: | |
70 | dma_unmap_single(pdev, dma->addr, dma->size, DMA_TO_DEVICE); | |
71 | break; | |
72 | case MLX5E_DMA_MAP_PAGE: | |
73 | dma_unmap_page(pdev, dma->addr, dma->size, DMA_TO_DEVICE); | |
74 | break; | |
75 | default: | |
76 | WARN_ONCE(true, "mlx5e_tx_dma_unmap unknown DMA type!\n"); | |
e586b3b0 AV |
77 | } |
78 | } | |
79 | ||
d4e28cbd AS |
80 | static inline void mlx5e_dma_push(struct mlx5e_sq *sq, |
81 | dma_addr_t addr, | |
82 | u32 size, | |
83 | enum mlx5e_dma_map_type map_type) | |
e586b3b0 AV |
84 | { |
85 | sq->dma_fifo[sq->dma_fifo_pc & sq->dma_fifo_mask].addr = addr; | |
86 | sq->dma_fifo[sq->dma_fifo_pc & sq->dma_fifo_mask].size = size; | |
d4e28cbd | 87 | sq->dma_fifo[sq->dma_fifo_pc & sq->dma_fifo_mask].type = map_type; |
e586b3b0 AV |
88 | sq->dma_fifo_pc++; |
89 | } | |
90 | ||
d4e28cbd AS |
91 | static inline struct mlx5e_sq_dma *mlx5e_dma_get(struct mlx5e_sq *sq, u32 i) |
92 | { | |
93 | return &sq->dma_fifo[i & sq->dma_fifo_mask]; | |
94 | } | |
95 | ||
34802a42 | 96 | static void mlx5e_dma_unmap_wqe_err(struct mlx5e_sq *sq, u8 num_dma) |
e586b3b0 | 97 | { |
d4e28cbd AS |
98 | int i; |
99 | ||
34802a42 | 100 | for (i = 0; i < num_dma; i++) { |
d4e28cbd AS |
101 | struct mlx5e_sq_dma *last_pushed_dma = |
102 | mlx5e_dma_get(sq, --sq->dma_fifo_pc); | |
103 | ||
104 | mlx5e_tx_dma_unmap(sq->pdev, last_pushed_dma); | |
105 | } | |
e586b3b0 AV |
106 | } |
107 | ||
108 | u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb, | |
109 | void *accel_priv, select_queue_fallback_t fallback) | |
110 | { | |
111 | struct mlx5e_priv *priv = netdev_priv(dev); | |
112 | int channel_ix = fallback(dev, skb); | |
08fb1dac SM |
113 | int up = (netdev_get_num_tc(dev) && skb_vlan_tag_present(skb)) ? |
114 | skb->vlan_tci >> VLAN_PRIO_SHIFT : 0; | |
e586b3b0 | 115 | |
08fb1dac | 116 | return priv->channeltc_to_txq_map[channel_ix][up]; |
e586b3b0 AV |
117 | } |
118 | ||
119 | static inline u16 mlx5e_get_inline_hdr_size(struct mlx5e_sq *sq, | |
88a85f99 | 120 | struct sk_buff *skb, bool bf) |
e586b3b0 | 121 | { |
58d52291 AS |
122 | /* Some NIC TX decisions, e.g loopback, are based on the packet |
123 | * headers and occur before the data gather. | |
124 | * Therefore these headers must be copied into the WQE | |
125 | */ | |
3ea4891d | 126 | #define MLX5E_MIN_INLINE ETH_HLEN |
58d52291 | 127 | |
ba6c4c09 SM |
128 | if (bf) { |
129 | u16 ihs = skb_headlen(skb); | |
130 | ||
131 | if (skb_vlan_tag_present(skb)) | |
132 | ihs += VLAN_HLEN; | |
133 | ||
134 | if (ihs <= sq->max_inline) | |
135 | return skb_headlen(skb); | |
136 | } | |
58d52291 | 137 | |
e586b3b0 AV |
138 | return MLX5E_MIN_INLINE; |
139 | } | |
140 | ||
34802a42 AS |
141 | static inline void mlx5e_tx_skb_pull_inline(unsigned char **skb_data, |
142 | unsigned int *skb_len, | |
143 | unsigned int len) | |
144 | { | |
145 | *skb_len -= len; | |
146 | *skb_data += len; | |
147 | } | |
148 | ||
149 | static inline void mlx5e_insert_vlan(void *start, struct sk_buff *skb, u16 ihs, | |
150 | unsigned char **skb_data, | |
151 | unsigned int *skb_len) | |
e4cf27bd AS |
152 | { |
153 | struct vlan_ethhdr *vhdr = (struct vlan_ethhdr *)start; | |
154 | int cpy1_sz = 2 * ETH_ALEN; | |
3ea4891d | 155 | int cpy2_sz = ihs - cpy1_sz; |
e4cf27bd | 156 | |
34802a42 AS |
157 | memcpy(vhdr, *skb_data, cpy1_sz); |
158 | mlx5e_tx_skb_pull_inline(skb_data, skb_len, cpy1_sz); | |
e4cf27bd AS |
159 | vhdr->h_vlan_proto = skb->vlan_proto; |
160 | vhdr->h_vlan_TCI = cpu_to_be16(skb_vlan_tag_get(skb)); | |
34802a42 AS |
161 | memcpy(&vhdr->h_vlan_encapsulated_proto, *skb_data, cpy2_sz); |
162 | mlx5e_tx_skb_pull_inline(skb_data, skb_len, cpy2_sz); | |
e4cf27bd AS |
163 | } |
164 | ||
e586b3b0 AV |
165 | static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) |
166 | { | |
167 | struct mlx5_wq_cyc *wq = &sq->wq; | |
168 | ||
169 | u16 pi = sq->pc & wq->sz_m1; | |
170 | struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi); | |
34802a42 | 171 | struct mlx5e_tx_wqe_info *wi = &sq->wqe_info[pi]; |
e586b3b0 AV |
172 | |
173 | struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl; | |
174 | struct mlx5_wqe_eth_seg *eseg = &wqe->eth; | |
175 | struct mlx5_wqe_data_seg *dseg; | |
176 | ||
34802a42 AS |
177 | unsigned char *skb_data = skb->data; |
178 | unsigned int skb_len = skb->len; | |
e586b3b0 AV |
179 | u8 opcode = MLX5_OPCODE_SEND; |
180 | dma_addr_t dma_addr = 0; | |
b081da5e | 181 | unsigned int num_bytes; |
88a85f99 | 182 | bool bf = false; |
e586b3b0 AV |
183 | u16 headlen; |
184 | u16 ds_cnt; | |
185 | u16 ihs; | |
186 | int i; | |
187 | ||
188 | memset(wqe, 0, sizeof(*wqe)); | |
189 | ||
98795158 MF |
190 | if (likely(skb->ip_summed == CHECKSUM_PARTIAL)) { |
191 | eseg->cs_flags = MLX5_ETH_WQE_L3_CSUM; | |
89db09eb | 192 | if (skb->encapsulation) { |
98795158 MF |
193 | eseg->cs_flags |= MLX5_ETH_WQE_L3_INNER_CSUM | |
194 | MLX5_ETH_WQE_L4_INNER_CSUM; | |
bfe6d8d1 | 195 | sq->stats.csum_partial_inner++; |
89db09eb | 196 | } else { |
98795158 | 197 | eseg->cs_flags |= MLX5_ETH_WQE_L4_CSUM; |
89db09eb | 198 | } |
98795158 | 199 | } else |
bfe6d8d1 | 200 | sq->stats.csum_none++; |
e586b3b0 | 201 | |
88a85f99 AS |
202 | if (sq->cc != sq->prev_cc) { |
203 | sq->prev_cc = sq->cc; | |
204 | sq->bf_budget = (sq->cc == sq->pc) ? MLX5E_SQ_BF_BUDGET : 0; | |
205 | } | |
206 | ||
e586b3b0 | 207 | if (skb_is_gso(skb)) { |
e586b3b0 AV |
208 | eseg->mss = cpu_to_be16(skb_shinfo(skb)->gso_size); |
209 | opcode = MLX5_OPCODE_LSO; | |
98795158 | 210 | |
89db09eb | 211 | if (skb->encapsulation) { |
98795158 | 212 | ihs = skb_inner_transport_offset(skb) + inner_tcp_hdrlen(skb); |
89db09eb MF |
213 | sq->stats.tso_inner_packets++; |
214 | sq->stats.tso_inner_bytes += skb->len - ihs; | |
215 | } else { | |
98795158 | 216 | ihs = skb_transport_offset(skb) + tcp_hdrlen(skb); |
89db09eb MF |
217 | sq->stats.tso_packets++; |
218 | sq->stats.tso_bytes += skb->len - ihs; | |
219 | } | |
98795158 | 220 | |
b081da5e | 221 | num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs; |
e586b3b0 | 222 | } else { |
88a85f99 AS |
223 | bf = sq->bf_budget && |
224 | !skb->xmit_more && | |
225 | !skb_shinfo(skb)->nr_frags; | |
226 | ihs = mlx5e_get_inline_hdr_size(sq, skb, bf); | |
b081da5e | 227 | num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN); |
e586b3b0 AV |
228 | } |
229 | ||
b081da5e GP |
230 | wi->num_bytes = num_bytes; |
231 | ||
e4cf27bd | 232 | if (skb_vlan_tag_present(skb)) { |
34802a42 AS |
233 | mlx5e_insert_vlan(eseg->inline_hdr_start, skb, ihs, &skb_data, |
234 | &skb_len); | |
3ea4891d | 235 | ihs += VLAN_HLEN; |
e4cf27bd | 236 | } else { |
34802a42 AS |
237 | memcpy(eseg->inline_hdr_start, skb_data, ihs); |
238 | mlx5e_tx_skb_pull_inline(&skb_data, &skb_len, ihs); | |
e4cf27bd | 239 | } |
e586b3b0 | 240 | |
8ca56ce3 | 241 | eseg->inline_hdr_sz = cpu_to_be16(ihs); |
e586b3b0 AV |
242 | |
243 | ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS; | |
244 | ds_cnt += DIV_ROUND_UP(ihs - sizeof(eseg->inline_hdr_start), | |
245 | MLX5_SEND_WQE_DS); | |
246 | dseg = (struct mlx5_wqe_data_seg *)cseg + ds_cnt; | |
247 | ||
34802a42 | 248 | wi->num_dma = 0; |
e586b3b0 | 249 | |
34802a42 | 250 | headlen = skb_len - skb->data_len; |
e586b3b0 | 251 | if (headlen) { |
34802a42 | 252 | dma_addr = dma_map_single(sq->pdev, skb_data, headlen, |
e586b3b0 AV |
253 | DMA_TO_DEVICE); |
254 | if (unlikely(dma_mapping_error(sq->pdev, dma_addr))) | |
255 | goto dma_unmap_wqe_err; | |
256 | ||
257 | dseg->addr = cpu_to_be64(dma_addr); | |
258 | dseg->lkey = sq->mkey_be; | |
259 | dseg->byte_count = cpu_to_be32(headlen); | |
260 | ||
d4e28cbd | 261 | mlx5e_dma_push(sq, dma_addr, headlen, MLX5E_DMA_MAP_SINGLE); |
34802a42 | 262 | wi->num_dma++; |
e586b3b0 AV |
263 | |
264 | dseg++; | |
265 | } | |
266 | ||
267 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
268 | struct skb_frag_struct *frag = &skb_shinfo(skb)->frags[i]; | |
269 | int fsz = skb_frag_size(frag); | |
270 | ||
271 | dma_addr = skb_frag_dma_map(sq->pdev, frag, 0, fsz, | |
272 | DMA_TO_DEVICE); | |
273 | if (unlikely(dma_mapping_error(sq->pdev, dma_addr))) | |
274 | goto dma_unmap_wqe_err; | |
275 | ||
276 | dseg->addr = cpu_to_be64(dma_addr); | |
277 | dseg->lkey = sq->mkey_be; | |
278 | dseg->byte_count = cpu_to_be32(fsz); | |
279 | ||
d4e28cbd | 280 | mlx5e_dma_push(sq, dma_addr, fsz, MLX5E_DMA_MAP_PAGE); |
34802a42 | 281 | wi->num_dma++; |
e586b3b0 AV |
282 | |
283 | dseg++; | |
284 | } | |
285 | ||
34802a42 | 286 | ds_cnt += wi->num_dma; |
e586b3b0 | 287 | |
8ca56ce3 AS |
288 | cseg->opmod_idx_opcode = cpu_to_be32((sq->pc << 8) | opcode); |
289 | cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | ds_cnt); | |
e586b3b0 AV |
290 | |
291 | sq->skb[pi] = skb; | |
292 | ||
34802a42 AS |
293 | wi->num_wqebbs = DIV_ROUND_UP(ds_cnt, MLX5_SEND_WQEBB_NUM_DS); |
294 | sq->pc += wi->num_wqebbs; | |
e586b3b0 | 295 | |
34802a42 | 296 | netdev_tx_sent_queue(sq->txq, wi->num_bytes); |
e586b3b0 | 297 | |
ef9814de EBE |
298 | if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP)) |
299 | skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; | |
300 | ||
12be4b21 | 301 | if (unlikely(!mlx5e_sq_has_room_for(sq, MLX5E_SQ_STOP_ROOM))) { |
e586b3b0 AV |
302 | netif_tx_stop_queue(sq->txq); |
303 | sq->stats.stopped++; | |
304 | } | |
305 | ||
059ba072 | 306 | if (!skb->xmit_more || netif_xmit_stopped(sq->txq)) { |
88a85f99 AS |
307 | int bf_sz = 0; |
308 | ||
0ba42241 | 309 | if (bf && test_bit(MLX5E_SQ_STATE_BF_ENABLE, &sq->state)) |
34802a42 | 310 | bf_sz = wi->num_wqebbs << 3; |
88a85f99 | 311 | |
059ba072 | 312 | cseg->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE; |
bc77b240 | 313 | mlx5e_tx_notify_hw(sq, &wqe->ctrl, bf_sz); |
059ba072 | 314 | } |
e586b3b0 | 315 | |
12be4b21 SM |
316 | /* fill sq edge with nops to avoid wqe wrap around */ |
317 | while ((sq->pc & wq->sz_m1) > sq->edge) | |
318 | mlx5e_send_nop(sq, false); | |
319 | ||
0ca00fc1 EC |
320 | if (bf) |
321 | sq->bf_budget--; | |
88a85f99 | 322 | |
e586b3b0 | 323 | sq->stats.packets++; |
b081da5e | 324 | sq->stats.bytes += num_bytes; |
e586b3b0 AV |
325 | return NETDEV_TX_OK; |
326 | ||
327 | dma_unmap_wqe_err: | |
328 | sq->stats.dropped++; | |
34802a42 | 329 | mlx5e_dma_unmap_wqe_err(sq, wi->num_dma); |
e586b3b0 AV |
330 | |
331 | dev_kfree_skb_any(skb); | |
332 | ||
333 | return NETDEV_TX_OK; | |
334 | } | |
335 | ||
336 | netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev) | |
337 | { | |
338 | struct mlx5e_priv *priv = netdev_priv(dev); | |
03289b88 | 339 | struct mlx5e_sq *sq = priv->txq_to_sq_map[skb_get_queue_mapping(skb)]; |
e586b3b0 AV |
340 | |
341 | return mlx5e_sq_xmit(sq, skb); | |
342 | } | |
343 | ||
8ec736e5 | 344 | bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget) |
e586b3b0 AV |
345 | { |
346 | struct mlx5e_sq *sq; | |
347 | u32 dma_fifo_cc; | |
348 | u32 nbytes; | |
349 | u16 npkts; | |
350 | u16 sqcc; | |
351 | int i; | |
352 | ||
e3391054 | 353 | sq = container_of(cq, struct mlx5e_sq, cq); |
e586b3b0 AV |
354 | |
355 | npkts = 0; | |
356 | nbytes = 0; | |
357 | ||
358 | /* sq->cc must be updated only after mlx5_cqwq_update_db_record(), | |
359 | * otherwise a cq overrun may occur | |
360 | */ | |
361 | sqcc = sq->cc; | |
362 | ||
363 | /* avoid dirtying sq cache line every cqe */ | |
364 | dma_fifo_cc = sq->dma_fifo_cc; | |
365 | ||
366 | for (i = 0; i < MLX5E_TX_CQ_POLL_BUDGET; i++) { | |
367 | struct mlx5_cqe64 *cqe; | |
059ba072 AS |
368 | u16 wqe_counter; |
369 | bool last_wqe; | |
e586b3b0 AV |
370 | |
371 | cqe = mlx5e_get_cqe(cq); | |
372 | if (!cqe) | |
373 | break; | |
374 | ||
a1f5a1a8 AS |
375 | mlx5_cqwq_pop(&cq->wq); |
376 | ||
059ba072 AS |
377 | wqe_counter = be16_to_cpu(cqe->wqe_counter); |
378 | ||
379 | do { | |
34802a42 | 380 | struct mlx5e_tx_wqe_info *wi; |
059ba072 AS |
381 | struct sk_buff *skb; |
382 | u16 ci; | |
383 | int j; | |
384 | ||
385 | last_wqe = (sqcc == wqe_counter); | |
386 | ||
387 | ci = sqcc & sq->wq.sz_m1; | |
388 | skb = sq->skb[ci]; | |
34802a42 | 389 | wi = &sq->wqe_info[ci]; |
e586b3b0 | 390 | |
059ba072 | 391 | if (unlikely(!skb)) { /* nop */ |
059ba072 AS |
392 | sqcc++; |
393 | continue; | |
394 | } | |
e586b3b0 | 395 | |
ef9814de EBE |
396 | if (unlikely(skb_shinfo(skb)->tx_flags & |
397 | SKBTX_HW_TSTAMP)) { | |
398 | struct skb_shared_hwtstamps hwts = {}; | |
399 | ||
400 | mlx5e_fill_hwstamp(sq->tstamp, | |
401 | get_cqe_ts(cqe), &hwts); | |
402 | skb_tstamp_tx(skb, &hwts); | |
403 | } | |
404 | ||
34802a42 | 405 | for (j = 0; j < wi->num_dma; j++) { |
d4e28cbd AS |
406 | struct mlx5e_sq_dma *dma = |
407 | mlx5e_dma_get(sq, dma_fifo_cc++); | |
e586b3b0 | 408 | |
d4e28cbd | 409 | mlx5e_tx_dma_unmap(sq->pdev, dma); |
059ba072 | 410 | } |
e586b3b0 | 411 | |
059ba072 | 412 | npkts++; |
34802a42 AS |
413 | nbytes += wi->num_bytes; |
414 | sqcc += wi->num_wqebbs; | |
8ec736e5 | 415 | napi_consume_skb(skb, napi_budget); |
059ba072 | 416 | } while (!last_wqe); |
e586b3b0 AV |
417 | } |
418 | ||
419 | mlx5_cqwq_update_db_record(&cq->wq); | |
420 | ||
421 | /* ensure cq space is freed before enabling more cqes */ | |
422 | wmb(); | |
423 | ||
424 | sq->dma_fifo_cc = dma_fifo_cc; | |
425 | sq->cc = sqcc; | |
426 | ||
427 | netdev_tx_completed_queue(sq->txq, npkts, nbytes); | |
428 | ||
429 | if (netif_tx_queue_stopped(sq->txq) && | |
12be4b21 | 430 | mlx5e_sq_has_room_for(sq, MLX5E_SQ_STOP_ROOM) && |
e586b3b0 AV |
431 | likely(test_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state))) { |
432 | netif_tx_wake_queue(sq->txq); | |
433 | sq->stats.wake++; | |
434 | } | |
e586b3b0 | 435 | |
59a7c2fd | 436 | return (i == MLX5E_TX_CQ_POLL_BUDGET); |
e586b3b0 | 437 | } |