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f62b8bb8 1/*
1afff42c 2 * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved.
f62b8bb8
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 */
1afff42c
MF
32#ifndef __MLX5_EN_H__
33#define __MLX5_EN_H__
f62b8bb8
AV
34
35#include <linux/if_vlan.h>
36#include <linux/etherdevice.h>
ef9814de
EBE
37#include <linux/timecounter.h>
38#include <linux/net_tstamp.h>
3d8c38af 39#include <linux/ptp_clock_kernel.h>
48935bbb 40#include <linux/crash_dump.h>
f62b8bb8
AV
41#include <linux/mlx5/driver.h>
42#include <linux/mlx5/qp.h>
43#include <linux/mlx5/cq.h>
ada68c31 44#include <linux/mlx5/port.h>
d18a9470 45#include <linux/mlx5/vport.h>
8d7f9ecb 46#include <linux/mlx5/transobj.h>
1ae1df3a 47#include <linux/mlx5/fs.h>
e8f887ac 48#include <linux/rhashtable.h>
cb67b832 49#include <net/switchdev.h>
0ddf5432 50#include <net/xdp.h>
4c4dbb4a 51#include <linux/net_dim.h>
8ff57c18 52#include <linux/bits.h>
f62b8bb8 53#include "wq.h"
f62b8bb8 54#include "mlx5_core.h"
9218b44d 55#include "en_stats.h"
fe6d86b3 56#include "en/fs.h"
f62b8bb8 57
4d8fcf21 58extern const struct net_device_ops mlx5e_netdev_ops;
60bbf7ee
JDB
59struct page_pool;
60
bb909416
IL
61#define MLX5E_METADATA_ETHER_TYPE (0x8CE4)
62#define MLX5E_METADATA_ETHER_LEN 8
63
1cabe6b0
MG
64#define MLX5_SET_CFG(p, f, v) MLX5_SET(create_flow_group_in, p, f, v)
65
c139dbfd
ES
66#define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)
67
472a1e44
TT
68#define MLX5E_HW2SW_MTU(params, hwmtu) ((hwmtu) - ((params)->hard_mtu))
69#define MLX5E_SW2HW_MTU(params, swmtu) ((swmtu) + ((params)->hard_mtu))
d8bec2b2 70
0696d608 71#define MLX5E_MAX_PRIORITY 8
2a5e7a13 72#define MLX5E_MAX_DSCP 64
f62b8bb8
AV
73#define MLX5E_MAX_NUM_TC 8
74
1bfecfca 75#define MLX5_RX_HEADROOM NET_SKB_PAD
78aedd32
TT
76#define MLX5_SKB_FRAG_SZ(len) (SKB_DATA_ALIGN(len) + \
77 SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
1bfecfca 78
94816278
TT
79#define MLX5E_RX_MAX_HEAD (256)
80
f32f5bd2
DJ
81#define MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev) \
82 (6 + MLX5_CAP_GEN(mdev, cache_line_128byte)) /* HW restriction */
83#define MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, req) \
84 max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req)
94816278
TT
85#define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) \
86 MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, order_base_2(MLX5E_RX_MAX_HEAD))
f32f5bd2 87
7e426671 88#define MLX5_MPWRQ_LOG_WQE_SZ 18
461017cb
TT
89#define MLX5_MPWRQ_WQE_PAGE_ORDER (MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT > 0 ? \
90 MLX5_MPWRQ_LOG_WQE_SZ - PAGE_SHIFT : 0)
91#define MLX5_MPWRQ_PAGES_PER_WQE BIT(MLX5_MPWRQ_WQE_PAGE_ORDER)
fe4c988b
SM
92
93#define MLX5_MTT_OCTW(npages) (ALIGN(npages, 8) / 2)
73281b78 94#define MLX5E_REQUIRED_WQE_MTTS (ALIGN(MLX5_MPWRQ_PAGES_PER_WQE, 8))
b8a98a4c 95#define MLX5E_LOG_ALIGNED_MPWQE_PPW (ilog2(MLX5E_REQUIRED_WQE_MTTS))
73281b78
TT
96#define MLX5E_REQUIRED_MTTS(wqes) (wqes * MLX5E_REQUIRED_WQE_MTTS)
97#define MLX5E_MAX_RQ_NUM_MTTS \
98 ((1 << 16) * 2) /* So that MLX5_MTT_OCTW(num_mtts) fits into u16 */
99#define MLX5E_ORDER2_MAX_PACKET_MTU (order_base_2(10 * 1024))
100#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW \
101 (ilog2(MLX5E_MAX_RQ_NUM_MTTS / MLX5E_REQUIRED_WQE_MTTS))
102#define MLX5E_LOG_MAX_RQ_NUM_PACKETS_MPW \
103 (MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW + \
104 (MLX5_MPWRQ_LOG_WQE_SZ - MLX5E_ORDER2_MAX_PACKET_MTU))
105
069d1146
TT
106#define MLX5E_MIN_SKB_FRAG_SZ (MLX5_SKB_FRAG_SZ(MLX5_RX_HEADROOM))
107#define MLX5E_LOG_MAX_RX_WQE_BULK \
108 (ilog2(PAGE_SIZE / roundup_pow_of_two(MLX5E_MIN_SKB_FRAG_SZ)))
109
73281b78
TT
110#define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6
111#define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa
112#define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd
113
069d1146 114#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE (1 + MLX5E_LOG_MAX_RX_WQE_BULK)
73281b78
TT
115#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
116#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE min_t(u8, 0xd, \
117 MLX5E_LOG_MAX_RQ_NUM_PACKETS_MPW)
118
119#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
fe4c988b 120
d9a40271 121#define MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ (64 * 1024)
2b029556
SM
122#define MLX5E_DEFAULT_LRO_TIMEOUT 32
123#define MLX5E_LRO_TIMEOUT_ARR_SIZE 4
124
f62b8bb8 125#define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10
9908aa29 126#define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3
f62b8bb8
AV
127#define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20
128#define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10
0088cbbc 129#define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC_FROM_CQE 0x10
f62b8bb8
AV
130#define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20
131#define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80
461017cb 132#define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2
f62b8bb8 133
936896e9
AS
134#define MLX5E_LOG_INDIR_RQT_SIZE 0x7
135#define MLX5E_INDIR_RQT_SIZE BIT(MLX5E_LOG_INDIR_RQT_SIZE)
b4e029da 136#define MLX5E_MIN_NUM_CHANNELS 0x1
936896e9 137#define MLX5E_MAX_NUM_CHANNELS (MLX5E_INDIR_RQT_SIZE >> 1)
507f0c81 138#define MLX5E_MAX_NUM_SQS (MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC)
f62b8bb8 139#define MLX5E_TX_CQ_POLL_BUDGET 128
db75373c 140#define MLX5E_SQ_RECOVER_MIN_INTERVAL 500 /* msecs */
f62b8bb8 141
ea3886ca
TT
142#define MLX5E_UMR_WQE_INLINE_SZ \
143 (sizeof(struct mlx5e_umr_wqe) + \
144 ALIGN(MLX5_MPWRQ_PAGES_PER_WQE * sizeof(struct mlx5_mtt), \
145 MLX5_UMR_MTT_ALIGNMENT))
146#define MLX5E_UMR_WQEBBS \
147 (DIV_ROUND_UP(MLX5E_UMR_WQE_INLINE_SZ, MLX5_SEND_WQE_BB))
2f48af12 148
79c48764
GP
149#define MLX5E_MSG_LEVEL NETIF_MSG_LINK
150
151#define mlx5e_dbg(mlevel, priv, format, ...) \
152do { \
153 if (NETIF_MSG_##mlevel & (priv)->msglevel) \
154 netdev_warn(priv->netdev, format, \
155 ##__VA_ARGS__); \
156} while (0)
157
158
461017cb
TT
159static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size)
160{
161 switch (wq_type) {
162 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ:
163 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW,
164 wq_size / 2);
165 default:
166 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES,
167 wq_size / 2);
168 }
169}
170
779d986d 171/* Use this function to get max num channels (rxqs/txqs) only to create netdev */
48935bbb
SM
172static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev)
173{
174 return is_kdump_kernel() ?
175 MLX5E_MIN_NUM_CHANNELS :
f2f3df55 176 min_t(int, mlx5_comp_vectors_count(mdev), MLX5E_MAX_NUM_CHANNELS);
48935bbb
SM
177}
178
779d986d
FD
179/* Use this function to get max num channels after netdev was created */
180static inline int mlx5e_get_netdev_max_channels(struct net_device *netdev)
181{
182 return min_t(unsigned int, netdev->num_rx_queues,
183 netdev->num_tx_queues);
184}
185
2f48af12
TT
186struct mlx5e_tx_wqe {
187 struct mlx5_wqe_ctrl_seg ctrl;
188 struct mlx5_wqe_eth_seg eth;
043dc78e 189 struct mlx5_wqe_data_seg data[0];
2f48af12
TT
190};
191
99cbfa93 192struct mlx5e_rx_wqe_ll {
2f48af12 193 struct mlx5_wqe_srq_next_seg next;
99cbfa93
TT
194 struct mlx5_wqe_data_seg data[0];
195};
196
197struct mlx5e_rx_wqe_cyc {
198 struct mlx5_wqe_data_seg data[0];
2f48af12 199};
86d722ad 200
bc77b240
TT
201struct mlx5e_umr_wqe {
202 struct mlx5_wqe_ctrl_seg ctrl;
203 struct mlx5_wqe_umr_ctrl_seg uctrl;
204 struct mlx5_mkey_seg mkc;
ea3886ca 205 struct mlx5_mtt inline_mtts[0];
bc77b240
TT
206};
207
d605d668
KH
208extern const char mlx5e_self_tests[][ETH_GSTRING_LEN];
209
4e59e288 210enum mlx5e_priv_flag {
8ff57c18
TT
211 MLX5E_PFLAG_RX_CQE_BASED_MODER,
212 MLX5E_PFLAG_TX_CQE_BASED_MODER,
213 MLX5E_PFLAG_RX_CQE_COMPRESS,
214 MLX5E_PFLAG_RX_STRIDING_RQ,
215 MLX5E_PFLAG_RX_NO_CSUM_COMPLETE,
6277053a 216 MLX5E_PFLAG_XDP_TX_MPWQE,
8ff57c18 217 MLX5E_NUM_PFLAGS, /* Keep last */
4e59e288
GP
218};
219
6a9764ef 220#define MLX5E_SET_PFLAG(params, pflag, enable) \
59ece1c9
SD
221 do { \
222 if (enable) \
8ff57c18 223 (params)->pflags |= BIT(pflag); \
59ece1c9 224 else \
8ff57c18 225 (params)->pflags &= ~(BIT(pflag)); \
4e59e288
GP
226 } while (0)
227
8ff57c18 228#define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (BIT(pflag))))
59ece1c9 229
08fb1dac
SM
230#ifdef CONFIG_MLX5_CORE_EN_DCB
231#define MLX5E_MAX_BW_ALLOC 100 /* Max percentage of BW allocation */
08fb1dac
SM
232#endif
233
f62b8bb8
AV
234struct mlx5e_params {
235 u8 log_sq_size;
461017cb 236 u8 rq_wq_type;
73281b78 237 u8 log_rq_mtu_frames;
f62b8bb8 238 u16 num_channels;
f62b8bb8 239 u8 num_tc;
9bcc8606 240 bool rx_cqe_compress_def;
9a317425
AG
241 struct net_dim_cq_moder rx_cq_moderation;
242 struct net_dim_cq_moder tx_cq_moderation;
f62b8bb8 243 bool lro_en;
cff92d7c 244 u8 tx_min_inline_mode;
36350114 245 bool vlan_strip_disable;
102722fc 246 bool scatter_fcs_en;
9a317425 247 bool rx_dim_enabled;
cbce4f44 248 bool tx_dim_enabled;
2b029556 249 u32 lro_timeout;
59ece1c9 250 u32 pflags;
6a9764ef 251 struct bpf_prog *xdp_prog;
472a1e44
TT
252 unsigned int sw_mtu;
253 int hard_mtu;
f62b8bb8
AV
254};
255
3a6a931d
HN
256#ifdef CONFIG_MLX5_CORE_EN_DCB
257struct mlx5e_cee_config {
258 /* bw pct for priority group */
259 u8 pg_bw_pct[CEE_DCBX_MAX_PGS];
260 u8 prio_to_pg_map[CEE_DCBX_MAX_PRIO];
261 bool pfc_setting[CEE_DCBX_MAX_PRIO];
262 bool pfc_enable;
263};
264
265enum {
266 MLX5_DCB_CHG_RESET,
267 MLX5_DCB_NO_CHG,
268 MLX5_DCB_CHG_NO_RESET,
269};
270
271struct mlx5e_dcbx {
e207b7e9 272 enum mlx5_dcbx_oper_mode mode;
3a6a931d 273 struct mlx5e_cee_config cee_cfg; /* pending configuration */
2a5e7a13 274 u8 dscp_app_cnt;
820c2c5e
HN
275
276 /* The only setting that cannot be read from FW */
277 u8 tc_tsa[IEEE_8021QAZ_MAX_TCS];
9e10bf1d 278 u8 cap;
0696d608
HN
279
280 /* Buffer configuration */
ecdf2dad 281 bool manual_buffer;
0696d608
HN
282 u32 cable_len;
283 u32 xoff;
3a6a931d 284};
2a5e7a13
HN
285
286struct mlx5e_dcbx_dp {
287 u8 dscp2prio[MLX5E_MAX_DSCP];
288 u8 trust_state;
289};
3a6a931d
HN
290#endif
291
f62b8bb8 292enum {
c0f1147d 293 MLX5E_RQ_STATE_ENABLED,
cb3c7fd4 294 MLX5E_RQ_STATE_AM,
b856df28 295 MLX5E_RQ_STATE_NO_CSUM_COMPLETE,
f62b8bb8
AV
296};
297
f62b8bb8
AV
298struct mlx5e_cq {
299 /* data path - accessed per cqe */
300 struct mlx5_cqwq wq;
f62b8bb8
AV
301
302 /* data path - accessed per napi poll */
cb3c7fd4 303 u16 event_ctr;
f62b8bb8
AV
304 struct napi_struct *napi;
305 struct mlx5_core_cq mcq;
306 struct mlx5e_channel *channel;
307
79d356ef
TT
308 /* control */
309 struct mlx5_core_dev *mdev;
310 struct mlx5_wq_ctrl wq_ctrl;
311} ____cacheline_aligned_in_smp;
312
313struct mlx5e_cq_decomp {
7219ab34
TT
314 /* cqe decompression */
315 struct mlx5_cqe64 title;
316 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE];
317 u8 mini_arr_idx;
79d356ef
TT
318 u16 left;
319 u16 wqe_counter;
f62b8bb8
AV
320} ____cacheline_aligned_in_smp;
321
eba2db2b 322struct mlx5e_tx_wqe_info {
77bdf895 323 struct sk_buff *skb;
eba2db2b
SM
324 u32 num_bytes;
325 u8 num_wqebbs;
326 u8 num_dma;
327};
328
329enum mlx5e_dma_map_type {
330 MLX5E_DMA_MAP_SINGLE,
331 MLX5E_DMA_MAP_PAGE
332};
333
334struct mlx5e_sq_dma {
335 dma_addr_t addr;
336 u32 size;
337 enum mlx5e_dma_map_type type;
338};
339
340enum {
341 MLX5E_SQ_STATE_ENABLED,
db75373c 342 MLX5E_SQ_STATE_RECOVERING,
2ac9cfe7 343 MLX5E_SQ_STATE_IPSEC,
cbce4f44 344 MLX5E_SQ_STATE_AM,
bf239741 345 MLX5E_SQ_STATE_TLS,
eba2db2b
SM
346};
347
348struct mlx5e_sq_wqe_info {
349 u8 opcode;
eba2db2b 350};
2f48af12 351
31391048 352struct mlx5e_txqsq {
eba2db2b
SM
353 /* data path */
354
355 /* dirtied @completion */
356 u16 cc;
357 u32 dma_fifo_cc;
cbce4f44 358 struct net_dim dim; /* Adaptive Moderation */
eba2db2b
SM
359
360 /* dirtied @xmit */
361 u16 pc ____cacheline_aligned_in_smp;
362 u32 dma_fifo_pc;
eba2db2b
SM
363
364 struct mlx5e_cq cq;
365
eba2db2b
SM
366 /* read only */
367 struct mlx5_wq_cyc wq;
368 u32 dma_fifo_mask;
05909bab 369 struct mlx5e_sq_stats *stats;
9a3956da
TT
370 struct {
371 struct mlx5e_sq_dma *dma_fifo;
372 struct mlx5e_tx_wqe_info *wqe_info;
373 } db;
eba2db2b
SM
374 void __iomem *uar_map;
375 struct netdev_queue *txq;
376 u32 sqn;
eba2db2b 377 u8 min_inline_mode;
eba2db2b 378 struct device *pdev;
eba2db2b
SM
379 __be32 mkey_be;
380 unsigned long state;
7c39afb3
FD
381 struct hwtstamp_config *tstamp;
382 struct mlx5_clock *clock;
eba2db2b
SM
383
384 /* control path */
385 struct mlx5_wq_ctrl wq_ctrl;
386 struct mlx5e_channel *channel;
acc6c595 387 int txq_ix;
eba2db2b 388 u32 rate_limit;
de8650a8 389 struct work_struct recover_work;
31391048
SM
390} ____cacheline_aligned_in_smp;
391
c94e4f11
TT
392struct mlx5e_dma_info {
393 struct page *page;
394 dma_addr_t addr;
395};
396
397struct mlx5e_xdp_info {
398 struct xdp_frame *xdpf;
399 dma_addr_t dma_addr;
400 struct mlx5e_dma_info di;
401};
402
fea28dd6
TT
403struct mlx5e_xdp_info_fifo {
404 struct mlx5e_xdp_info *xi;
405 u32 *cc;
406 u32 *pc;
407 u32 mask;
408};
409
1feeab80
TT
410struct mlx5e_xdp_wqe_info {
411 u8 num_wqebbs;
412 u8 num_ds;
413};
414
5e0d2eef
TT
415struct mlx5e_xdp_mpwqe {
416 /* Current MPWQE session */
417 struct mlx5e_tx_wqe *wqe;
418 u8 ds_count;
419 u8 max_ds_count;
420};
421
422struct mlx5e_xdpsq;
423typedef bool (*mlx5e_fp_xmit_xdp_frame)(struct mlx5e_xdpsq*,
424 struct mlx5e_xdp_info*);
31391048
SM
425struct mlx5e_xdpsq {
426 /* data path */
427
dac0d15f 428 /* dirtied @completion */
fea28dd6 429 u32 xdpi_fifo_cc;
31391048 430 u16 cc;
dac0d15f 431 bool redirect_flush;
31391048 432
dac0d15f 433 /* dirtied @xmit */
fea28dd6
TT
434 u32 xdpi_fifo_pc ____cacheline_aligned_in_smp;
435 u16 pc;
b8180392 436 struct mlx5_wqe_ctrl_seg *doorbell_cseg;
5e0d2eef 437 struct mlx5e_xdp_mpwqe mpwqe;
31391048 438
dac0d15f 439 struct mlx5e_cq cq;
31391048
SM
440
441 /* read only */
442 struct mlx5_wq_cyc wq;
890388ad 443 struct mlx5e_xdpsq_stats *stats;
5e0d2eef 444 mlx5e_fp_xmit_xdp_frame xmit_xdp_frame;
dac0d15f 445 struct {
1feeab80 446 struct mlx5e_xdp_wqe_info *wqe_info;
fea28dd6 447 struct mlx5e_xdp_info_fifo xdpi_fifo;
dac0d15f 448 } db;
31391048
SM
449 void __iomem *uar_map;
450 u32 sqn;
451 struct device *pdev;
452 __be32 mkey_be;
453 u8 min_inline_mode;
454 unsigned long state;
c94e4f11 455 unsigned int hw_mtu;
31391048
SM
456
457 /* control path */
458 struct mlx5_wq_ctrl wq_ctrl;
459 struct mlx5e_channel *channel;
460} ____cacheline_aligned_in_smp;
461
462struct mlx5e_icosq {
463 /* data path */
464
31391048
SM
465 /* dirtied @xmit */
466 u16 pc ____cacheline_aligned_in_smp;
31391048
SM
467
468 struct mlx5e_cq cq;
469
470 /* write@xmit, read@completion */
471 struct {
472 struct mlx5e_sq_wqe_info *ico_wqe;
473 } db;
474
475 /* read only */
476 struct mlx5_wq_cyc wq;
477 void __iomem *uar_map;
478 u32 sqn;
31391048
SM
479 unsigned long state;
480
481 /* control path */
482 struct mlx5_wq_ctrl wq_ctrl;
483 struct mlx5e_channel *channel;
eba2db2b
SM
484} ____cacheline_aligned_in_smp;
485
864b2d71
SM
486static inline bool
487mlx5e_wqc_has_room_for(struct mlx5_wq_cyc *wq, u16 cc, u16 pc, u16 n)
eba2db2b 488{
ddf385e3 489 return (mlx5_wq_cyc_ctr2ix(wq, cc - pc) >= n) || (cc == pc);
eba2db2b 490}
6cd392a0 491
accd5883 492struct mlx5e_wqe_frag_info {
069d1146 493 struct mlx5e_dma_info *di;
accd5883 494 u32 offset;
069d1146 495 bool last_in_page;
accd5883
TT
496};
497
eba2db2b 498struct mlx5e_umr_dma_info {
eba2db2b 499 struct mlx5e_dma_info dma_info[MLX5_MPWRQ_PAGES_PER_WQE];
eba2db2b
SM
500};
501
502struct mlx5e_mpw_info {
503 struct mlx5e_umr_dma_info umr;
504 u16 consumed_strides;
22f45398 505 DECLARE_BITMAP(xdp_xmit_bitmap, MLX5_MPWRQ_PAGES_PER_WQE);
eba2db2b
SM
506};
507
069d1146
TT
508#define MLX5E_MAX_RX_FRAGS 4
509
4415a031
TT
510/* a single cache unit is capable to serve one napi call (for non-striding rq)
511 * or a MPWQE (for striding rq).
512 */
513#define MLX5E_CACHE_UNIT (MLX5_MPWRQ_PAGES_PER_WQE > NAPI_POLL_WEIGHT ? \
514 MLX5_MPWRQ_PAGES_PER_WQE : NAPI_POLL_WEIGHT)
29c2849e 515#define MLX5E_CACHE_SIZE (4 * roundup_pow_of_two(MLX5E_CACHE_UNIT))
4415a031
TT
516struct mlx5e_page_cache {
517 u32 head;
518 u32 tail;
519 struct mlx5e_dma_info page_cache[MLX5E_CACHE_SIZE];
520};
521
eba2db2b
SM
522struct mlx5e_rq;
523typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*);
619a8f2a
TT
524typedef struct sk_buff *
525(*mlx5e_fp_skb_from_cqe_mpwrq)(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
526 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
069d1146
TT
527typedef struct sk_buff *
528(*mlx5e_fp_skb_from_cqe)(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
529 struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt);
7cc6d77b 530typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq);
eba2db2b
SM
531typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16);
532
121e8927
TT
533enum mlx5e_rq_flag {
534 MLX5E_RQ_FLAG_XDP_XMIT = BIT(0),
535};
536
069d1146
TT
537struct mlx5e_rq_frag_info {
538 int frag_size;
539 int frag_stride;
540};
541
542struct mlx5e_rq_frags_info {
543 struct mlx5e_rq_frag_info arr[MLX5E_MAX_RX_FRAGS];
544 u8 num_frags;
545 u8 log_num_frags;
546 u8 wqe_bulk;
547};
548
f62b8bb8
AV
549struct mlx5e_rq {
550 /* data path */
21c59685 551 union {
accd5883 552 struct {
069d1146
TT
553 struct mlx5_wq_cyc wq;
554 struct mlx5e_wqe_frag_info *frags;
555 struct mlx5e_dma_info *di;
556 struct mlx5e_rq_frags_info info;
557 mlx5e_fp_skb_from_cqe skb_from_cqe;
accd5883 558 } wqe;
21c59685 559 struct {
422d4c40 560 struct mlx5_wq_ll wq;
b8a98a4c 561 struct mlx5e_umr_wqe umr_wqe;
21c59685 562 struct mlx5e_mpw_info *info;
619a8f2a 563 mlx5e_fp_skb_from_cqe_mpwrq skb_from_cqe_mpwrq;
b45d8b50 564 u16 num_strides;
89e89f7a 565 u8 log_stride_sz;
a071cb9f 566 bool umr_in_progress;
21c59685
SM
567 } mpwqe;
568 };
1bfecfca 569 struct {
b45d8b50 570 u16 headroom;
b5503b99 571 u8 map_dir; /* dma map direction */
1bfecfca 572 } buff;
f62b8bb8 573
7cc6d77b 574 struct mlx5e_channel *channel;
f62b8bb8
AV
575 struct device *pdev;
576 struct net_device *netdev;
05909bab 577 struct mlx5e_rq_stats *stats;
f62b8bb8 578 struct mlx5e_cq cq;
79d356ef 579 struct mlx5e_cq_decomp cqd;
4415a031 580 struct mlx5e_page_cache page_cache;
7c39afb3
FD
581 struct hwtstamp_config *tstamp;
582 struct mlx5_clock *clock;
4415a031 583
2f48af12 584 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
7cc6d77b 585 mlx5e_fp_post_rx_wqes post_wqes;
6cd392a0 586 mlx5e_fp_dealloc_wqe dealloc_wqe;
f62b8bb8
AV
587
588 unsigned long state;
589 int ix;
0073c8f7 590 unsigned int hw_mtu;
f62b8bb8 591
9a317425 592 struct net_dim dim; /* Dynamic Interrupt Moderation */
31871f87
SM
593
594 /* XDP */
86994156 595 struct bpf_prog *xdp_prog;
31391048 596 struct mlx5e_xdpsq xdpsq;
121e8927 597 DECLARE_BITMAP(flags, 8);
60bbf7ee 598 struct page_pool *page_pool;
cb3c7fd4 599
f62b8bb8
AV
600 /* control */
601 struct mlx5_wq_ctrl wq_ctrl;
b45d8b50 602 __be32 mkey_be;
461017cb 603 u8 wq_type;
f62b8bb8 604 u32 rqn;
a43b25da 605 struct mlx5_core_dev *mdev;
ec8b9981 606 struct mlx5_core_mkey umr_mkey;
0ddf5432
JDB
607
608 /* XDP read-mostly */
609 struct xdp_rxq_info xdp_rxq;
f62b8bb8
AV
610} ____cacheline_aligned_in_smp;
611
f62b8bb8
AV
612struct mlx5e_channel {
613 /* data path */
614 struct mlx5e_rq rq;
31391048
SM
615 struct mlx5e_txqsq sq[MLX5E_MAX_NUM_TC];
616 struct mlx5e_icosq icosq; /* internal control operations */
b5503b99 617 bool xdp;
f62b8bb8
AV
618 struct napi_struct napi;
619 struct device *pdev;
620 struct net_device *netdev;
621 __be32 mkey_be;
622 u8 num_tc;
f62b8bb8 623
58b99ee3
TT
624 /* XDP_REDIRECT */
625 struct mlx5e_xdpsq xdpsq;
626
a8c2eb15
TT
627 /* data path - accessed per napi poll */
628 struct irq_desc *irq_desc;
05909bab 629 struct mlx5e_ch_stats *stats;
f62b8bb8
AV
630
631 /* control */
632 struct mlx5e_priv *priv;
a43b25da 633 struct mlx5_core_dev *mdev;
7c39afb3 634 struct hwtstamp_config *tstamp;
f62b8bb8 635 int ix;
231243c8 636 int cpu;
149e566f 637 cpumask_var_t xps_cpumask;
f62b8bb8
AV
638};
639
ff9c852f
SM
640struct mlx5e_channels {
641 struct mlx5e_channel **c;
642 unsigned int num;
6a9764ef 643 struct mlx5e_params params;
ff9c852f
SM
644};
645
05909bab
EBE
646struct mlx5e_channel_stats {
647 struct mlx5e_ch_stats ch;
648 struct mlx5e_sq_stats sq[MLX5E_MAX_NUM_TC];
649 struct mlx5e_rq_stats rq;
890388ad 650 struct mlx5e_xdpsq_stats rq_xdpsq;
58b99ee3 651 struct mlx5e_xdpsq_stats xdpsq;
05909bab
EBE
652} ____cacheline_aligned_in_smp;
653
acff797c 654enum {
acff797c
MG
655 MLX5E_STATE_OPENED,
656 MLX5E_STATE_DESTROYING,
407e17b1 657 MLX5E_STATE_XDP_TX_ENABLED,
acff797c
MG
658};
659
398f3351 660struct mlx5e_rqt {
1da36696 661 u32 rqtn;
398f3351
HHZ
662 bool enabled;
663};
664
665struct mlx5e_tir {
666 u32 tirn;
667 struct mlx5e_rqt rqt;
668 struct list_head list;
1da36696
TT
669};
670
acff797c
MG
671enum {
672 MLX5E_TC_PRIO = 0,
673 MLX5E_NIC_PRIO
674};
675
bbeb53b8
AL
676struct mlx5e_rss_params {
677 u32 indirection_rqt[MLX5E_INDIR_RQT_SIZE];
756c4160 678 u32 rx_hash_fields[MLX5E_NUM_INDIR_TIRS];
bbeb53b8
AL
679 u8 toeplitz_hash_key[40];
680 u8 hfunc;
681};
682
de8650a8
EBE
683struct mlx5e_modify_sq_param {
684 int curr_state;
685 int next_state;
686 int rl_update;
687 int rl_index;
688};
689
f62b8bb8
AV
690struct mlx5e_priv {
691 /* priv data path fields - start */
acc6c595
SM
692 struct mlx5e_txqsq *txq2sq[MLX5E_MAX_NUM_CHANNELS * MLX5E_MAX_NUM_TC];
693 int channel_tc2txq[MLX5E_MAX_NUM_CHANNELS][MLX5E_MAX_NUM_TC];
2a5e7a13
HN
694#ifdef CONFIG_MLX5_CORE_EN_DCB
695 struct mlx5e_dcbx_dp dcbx_dp;
696#endif
f62b8bb8
AV
697 /* priv data path fields - end */
698
79c48764 699 u32 msglevel;
f62b8bb8
AV
700 unsigned long state;
701 struct mutex state_lock; /* Protects Interface state */
50cfa25a 702 struct mlx5e_rq drop_rq;
f62b8bb8 703
ff9c852f 704 struct mlx5e_channels channels;
f62b8bb8 705 u32 tisn[MLX5E_MAX_NUM_TC];
398f3351 706 struct mlx5e_rqt indir_rqt;
724b2aa1 707 struct mlx5e_tir indir_tir[MLX5E_NUM_INDIR_TIRS];
7b3722fa 708 struct mlx5e_tir inner_indir_tir[MLX5E_NUM_INDIR_TIRS];
724b2aa1 709 struct mlx5e_tir direct_tir[MLX5E_MAX_NUM_CHANNELS];
bbeb53b8 710 struct mlx5e_rss_params rss_params;
507f0c81 711 u32 tx_rates[MLX5E_MAX_NUM_SQS];
f62b8bb8 712
acff797c 713 struct mlx5e_flow_steering fs;
f62b8bb8 714
7bb29755 715 struct workqueue_struct *wq;
f62b8bb8
AV
716 struct work_struct update_carrier_work;
717 struct work_struct set_rx_mode_work;
3947ca18 718 struct work_struct tx_timeout_work;
cdeef2b1 719 struct work_struct update_stats_work;
5c7e8bbb
ED
720 struct work_struct monitor_counters_work;
721 struct mlx5_nb monitor_counters_nb;
f62b8bb8
AV
722
723 struct mlx5_core_dev *mdev;
724 struct net_device *netdev;
725 struct mlx5e_stats stats;
05909bab
EBE
726 struct mlx5e_channel_stats channel_stats[MLX5E_MAX_NUM_CHANNELS];
727 u8 max_opened_tc;
7c39afb3 728 struct hwtstamp_config tstamp;
7cbaf9a3
MS
729 u16 q_counter;
730 u16 drop_rq_q_counter;
7cffaddd
SM
731 struct notifier_block events_nb;
732
3a6a931d
HN
733#ifdef CONFIG_MLX5_CORE_EN_DCB
734 struct mlx5e_dcbx dcbx;
735#endif
736
6bfd390b 737 const struct mlx5e_profile *profile;
127ea380 738 void *ppriv;
547eede0
IT
739#ifdef CONFIG_MLX5_EN_IPSEC
740 struct mlx5e_ipsec *ipsec;
741#endif
43585a41
IL
742#ifdef CONFIG_MLX5_EN_TLS
743 struct mlx5e_tls *tls;
744#endif
de8650a8 745 struct devlink_health_reporter *tx_reporter;
f62b8bb8
AV
746};
747
a43b25da 748struct mlx5e_profile {
182570b2 749 int (*init)(struct mlx5_core_dev *mdev,
a43b25da
SM
750 struct net_device *netdev,
751 const struct mlx5e_profile *profile, void *ppriv);
752 void (*cleanup)(struct mlx5e_priv *priv);
753 int (*init_rx)(struct mlx5e_priv *priv);
754 void (*cleanup_rx)(struct mlx5e_priv *priv);
755 int (*init_tx)(struct mlx5e_priv *priv);
756 void (*cleanup_tx)(struct mlx5e_priv *priv);
757 void (*enable)(struct mlx5e_priv *priv);
758 void (*disable)(struct mlx5e_priv *priv);
759 void (*update_stats)(struct mlx5e_priv *priv);
7ca42c80 760 void (*update_carrier)(struct mlx5e_priv *priv);
20fd0c19
SM
761 struct {
762 mlx5e_fp_handle_rx_cqe handle_rx_cqe;
763 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe;
764 } rx_handlers;
a43b25da
SM
765 int max_tc;
766};
767
665bc539
GP
768void mlx5e_build_ptys2ethtool_map(void);
769
f62b8bb8 770u16 mlx5e_select_queue(struct net_device *dev, struct sk_buff *skb,
a350ecce 771 struct net_device *sb_dev);
f62b8bb8 772netdev_tx_t mlx5e_xmit(struct sk_buff *skb, struct net_device *dev);
bf239741 773netdev_tx_t mlx5e_sq_xmit(struct mlx5e_txqsq *sq, struct sk_buff *skb,
3c31ff22 774 struct mlx5e_tx_wqe *wqe, u16 pi, bool xmit_more);
f62b8bb8
AV
775
776void mlx5e_completion_event(struct mlx5_core_cq *mcq);
777void mlx5e_cq_error_event(struct mlx5_core_cq *mcq, enum mlx5_event event);
778int mlx5e_napi_poll(struct napi_struct *napi, int budget);
8ec736e5 779bool mlx5e_poll_tx_cq(struct mlx5e_cq *cq, int napi_budget);
44fb6fbb 780int mlx5e_poll_rx_cq(struct mlx5e_cq *cq, int budget);
31391048 781void mlx5e_free_txqsq_descs(struct mlx5e_txqsq *sq);
461017cb 782
2ccb0a79
TT
783bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev);
784bool mlx5e_striding_rq_possible(struct mlx5_core_dev *mdev,
785 struct mlx5e_params *params);
786
159d2131 787void mlx5e_page_dma_unmap(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info);
4415a031
TT
788void mlx5e_page_release(struct mlx5e_rq *rq, struct mlx5e_dma_info *dma_info,
789 bool recycle);
2f48af12 790void mlx5e_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
461017cb 791void mlx5e_handle_rx_cqe_mpwrq(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe);
f62b8bb8 792bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq);
7cc6d77b 793bool mlx5e_post_rx_mpwqes(struct mlx5e_rq *rq);
6cd392a0
DJ
794void mlx5e_dealloc_rx_wqe(struct mlx5e_rq *rq, u16 ix);
795void mlx5e_dealloc_rx_mpwqe(struct mlx5e_rq *rq, u16 ix);
619a8f2a
TT
796struct sk_buff *
797mlx5e_skb_from_cqe_mpwrq_linear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
798 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
799struct sk_buff *
800mlx5e_skb_from_cqe_mpwrq_nonlinear(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi,
801 u16 cqe_bcnt, u32 head_offset, u32 page_idx);
069d1146
TT
802struct sk_buff *
803mlx5e_skb_from_cqe_linear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
804 struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt);
805struct sk_buff *
806mlx5e_skb_from_cqe_nonlinear(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe,
807 struct mlx5e_wqe_frag_info *wi, u32 cqe_bcnt);
f62b8bb8 808
19386177 809void mlx5e_update_stats(struct mlx5e_priv *priv);
d9ee0491 810void mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats);
b832d4fd 811void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s);
f62b8bb8 812
33cfaaa8 813void mlx5e_init_l2_addr(struct mlx5e_priv *priv);
d605d668
KH
814int mlx5e_self_test_num(struct mlx5e_priv *priv);
815void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,
816 u64 *buf);
f62b8bb8
AV
817void mlx5e_set_rx_mode_work(struct work_struct *work);
818
1170fbd8
FD
819int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);
820int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr);
be7e87f9 821int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val);
ef9814de 822
f62b8bb8
AV
823int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto,
824 u16 vid);
825int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto,
826 u16 vid);
237f258c 827void mlx5e_timestamp_init(struct mlx5e_priv *priv);
f62b8bb8 828
a5f97fee
SM
829struct mlx5e_redirect_rqt_param {
830 bool is_rss;
831 union {
832 u32 rqn; /* Direct RQN (Non-RSS) */
833 struct {
834 u8 hfunc;
835 struct mlx5e_channels *channels;
836 } rss; /* RSS data */
837 };
838};
839
840int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz,
841 struct mlx5e_redirect_rqt_param rrp);
bbeb53b8 842void mlx5e_build_indir_tir_ctx_hash(struct mlx5e_rss_params *rss_params,
d930ac79 843 const struct mlx5e_tirc_config *ttconfig,
7b3722fa 844 void *tirc, bool inner);
080d1b17 845void mlx5e_modify_tirs_hash(struct mlx5e_priv *priv, void *in, int inlen);
d930ac79 846struct mlx5e_tirc_config mlx5e_tirc_get_default_config(enum mlx5e_traffic_types tt);
2d75b2bc 847
f62b8bb8
AV
848int mlx5e_open_locked(struct net_device *netdev);
849int mlx5e_close_locked(struct net_device *netdev);
55c2503d
SM
850
851int mlx5e_open_channels(struct mlx5e_priv *priv,
852 struct mlx5e_channels *chs);
853void mlx5e_close_channels(struct mlx5e_channels *chs);
2e20a151
SM
854
855/* Function pointer to be used to modify WH settings while
856 * switching channels
857 */
858typedef int (*mlx5e_fp_hw_modify)(struct mlx5e_priv *priv);
877662e2
TT
859int mlx5e_safe_switch_channels(struct mlx5e_priv *priv,
860 struct mlx5e_channels *new_chs,
861 mlx5e_fp_hw_modify hw_modify);
603f4a45
SM
862void mlx5e_activate_priv_channels(struct mlx5e_priv *priv);
863void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv);
55c2503d 864
d4b6c488 865void mlx5e_build_default_indir_rqt(u32 *indirection_rqt, int len,
85082dba 866 int num_channels);
0088cbbc
TG
867void mlx5e_set_tx_cq_mode_params(struct mlx5e_params *params,
868 u8 cq_period_mode);
9908aa29
TT
869void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params,
870 u8 cq_period_mode);
2ccb0a79 871void mlx5e_set_rq_type(struct mlx5_core_dev *mdev, struct mlx5e_params *params);
696a97cf 872void mlx5e_init_rq_type_params(struct mlx5_core_dev *mdev,
2a0f561b 873 struct mlx5e_params *params);
9908aa29 874
de8650a8
EBE
875int mlx5e_modify_sq(struct mlx5_core_dev *mdev, u32 sqn,
876 struct mlx5e_modify_sq_param *p);
877void mlx5e_activate_txqsq(struct mlx5e_txqsq *sq);
878void mlx5e_tx_disable_queue(struct netdev_queue *txq);
879
7b3722fa
GP
880static inline bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev)
881{
882 return (MLX5_CAP_ETH(mdev, tunnel_stateless_gre) &&
883 MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ft_field_support.inner_ip_version));
884}
885
e3cfc7e6
MS
886static inline bool mlx5_tx_swp_supported(struct mlx5_core_dev *mdev)
887{
888 return MLX5_CAP_ETH(mdev, swp) &&
889 MLX5_CAP_ETH(mdev, swp_csum) && MLX5_CAP_ETH(mdev, swp_lso);
890}
891
cac018b8
MS
892struct mlx5e_swp_spec {
893 __be16 l3_proto;
894 u8 l4_proto;
895 u8 is_tun;
896 __be16 tun_l3_proto;
897 u8 tun_l4_proto;
898};
899
900static inline void
901mlx5e_set_eseg_swp(struct sk_buff *skb, struct mlx5_wqe_eth_seg *eseg,
902 struct mlx5e_swp_spec *swp_spec)
903{
904 /* SWP offsets are in 2-bytes words */
905 eseg->swp_outer_l3_offset = skb_network_offset(skb) / 2;
906 if (swp_spec->l3_proto == htons(ETH_P_IPV6))
907 eseg->swp_flags |= MLX5_ETH_WQE_SWP_OUTER_L3_IPV6;
908 if (swp_spec->l4_proto) {
909 eseg->swp_outer_l4_offset = skb_transport_offset(skb) / 2;
910 if (swp_spec->l4_proto == IPPROTO_UDP)
911 eseg->swp_flags |= MLX5_ETH_WQE_SWP_OUTER_L4_UDP;
912 }
913
914 if (swp_spec->is_tun) {
915 eseg->swp_inner_l3_offset = skb_inner_network_offset(skb) / 2;
916 if (swp_spec->tun_l3_proto == htons(ETH_P_IPV6))
917 eseg->swp_flags |= MLX5_ETH_WQE_SWP_INNER_L3_IPV6;
918 } else { /* typically for ipsec when xfrm mode != XFRM_MODE_TUNNEL */
919 eseg->swp_inner_l3_offset = skb_network_offset(skb) / 2;
920 if (swp_spec->l3_proto == htons(ETH_P_IPV6))
921 eseg->swp_flags |= MLX5_ETH_WQE_SWP_INNER_L3_IPV6;
922 }
923 switch (swp_spec->tun_l4_proto) {
924 case IPPROTO_UDP:
925 eseg->swp_flags |= MLX5_ETH_WQE_SWP_INNER_L4_UDP;
926 /* fall through */
927 case IPPROTO_TCP:
928 eseg->swp_inner_l4_offset = skb_inner_transport_offset(skb) / 2;
929 break;
930 }
931}
932
bf239741
IL
933static inline void mlx5e_sq_fetch_wqe(struct mlx5e_txqsq *sq,
934 struct mlx5e_tx_wqe **wqe,
935 u16 *pi)
936{
ddf385e3 937 struct mlx5_wq_cyc *wq = &sq->wq;
bf239741 938
ddf385e3 939 *pi = mlx5_wq_cyc_ctr2ix(wq, sq->pc);
bf239741
IL
940 *wqe = mlx5_wq_cyc_get_wqe(wq, *pi);
941 memset(*wqe, 0, sizeof(**wqe));
942}
943
864b2d71
SM
944static inline
945struct mlx5e_tx_wqe *mlx5e_post_nop(struct mlx5_wq_cyc *wq, u32 sqn, u16 *pc)
f62b8bb8 946{
ddf385e3 947 u16 pi = mlx5_wq_cyc_ctr2ix(wq, *pc);
864b2d71
SM
948 struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
949 struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
950
951 memset(cseg, 0, sizeof(*cseg));
952
953 cseg->opmod_idx_opcode = cpu_to_be32((*pc << 8) | MLX5_OPCODE_NOP);
954 cseg->qpn_ds = cpu_to_be32((sqn << 8) | 0x01);
955
956 (*pc)++;
957
958 return wqe;
959}
960
961static inline
962void mlx5e_notify_hw(struct mlx5_wq_cyc *wq, u16 pc,
963 void __iomem *uar_map,
964 struct mlx5_wqe_ctrl_seg *ctrl)
965{
966 ctrl->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
f62b8bb8
AV
967 /* ensure wqe is visible to device before updating doorbell record */
968 dma_wmb();
969
864b2d71 970 *wq->db = cpu_to_be32(pc);
f62b8bb8
AV
971
972 /* ensure doorbell record is visible to device before ringing the
973 * doorbell
974 */
975 wmb();
f62b8bb8 976
bbf29f61 977 mlx5_write64((__be32 *)ctrl, uar_map);
f62b8bb8
AV
978}
979
980static inline void mlx5e_cq_arm(struct mlx5e_cq *cq)
981{
982 struct mlx5_core_cq *mcq;
983
984 mcq = &cq->mcq;
5fe9dec0 985 mlx5_cq_arm(mcq, MLX5_CQ_DB_REQ_NOT, mcq->uar->map, cq->wq.cc);
f62b8bb8
AV
986}
987
988extern const struct ethtool_ops mlx5e_ethtool_ops;
08fb1dac
SM
989#ifdef CONFIG_MLX5_CORE_EN_DCB
990extern const struct dcbnl_rtnl_ops mlx5e_dcbnl_ops;
991int mlx5e_dcbnl_ieee_setets_core(struct mlx5e_priv *priv, struct ieee_ets *ets);
e207b7e9 992void mlx5e_dcbnl_initialize(struct mlx5e_priv *priv);
2a5e7a13
HN
993void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
994void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
08fb1dac
SM
995#endif
996
724b2aa1
HHZ
997int mlx5e_create_tir(struct mlx5_core_dev *mdev,
998 struct mlx5e_tir *tir, u32 *in, int inlen);
999void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
1000 struct mlx5e_tir *tir);
b50d292b
HHZ
1001int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev);
1002void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev);
b676f653 1003int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb);
1afff42c 1004
bc81b9d3 1005/* common netdev helpers */
1462e48d
RD
1006void mlx5e_create_q_counters(struct mlx5e_priv *priv);
1007void mlx5e_destroy_q_counters(struct mlx5e_priv *priv);
1008int mlx5e_open_drop_rq(struct mlx5e_priv *priv,
1009 struct mlx5e_rq *drop_rq);
1010void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq);
1011
8f493ffd
SM
1012int mlx5e_create_indirect_rqt(struct mlx5e_priv *priv);
1013
46dc933c
OG
1014int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc);
1015void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv, bool inner_ttc);
8f493ffd 1016
cb67b832 1017int mlx5e_create_direct_rqts(struct mlx5e_priv *priv);
8f493ffd 1018void mlx5e_destroy_direct_rqts(struct mlx5e_priv *priv);
cb67b832
HHZ
1019int mlx5e_create_direct_tirs(struct mlx5e_priv *priv);
1020void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv);
8f493ffd
SM
1021void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt);
1022
5426a0b2
SM
1023int mlx5e_create_tis(struct mlx5_core_dev *mdev, int tc,
1024 u32 underlay_qpn, u32 *tisn);
1025void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn);
1026
cb67b832 1027int mlx5e_create_tises(struct mlx5e_priv *priv);
b36cdb42 1028void mlx5e_update_carrier(struct mlx5e_priv *priv);
cb67b832
HHZ
1029int mlx5e_close(struct net_device *netdev);
1030int mlx5e_open(struct net_device *netdev);
5c7e8bbb 1031void mlx5e_update_ndo_stats(struct mlx5e_priv *priv);
cb67b832 1032
cdeef2b1 1033void mlx5e_queue_update_stats(struct mlx5e_priv *priv);
3f6d08d1
OG
1034int mlx5e_bits_invert(unsigned long a, int size);
1035
250a42b6 1036typedef int (*change_hw_mtu_cb)(struct mlx5e_priv *priv);
d9ee0491 1037int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv);
250a42b6
AN
1038int mlx5e_change_mtu(struct net_device *netdev, int new_mtu,
1039 change_hw_mtu_cb set_mtu_cb);
1040
076b0936
ES
1041/* ethtool helpers */
1042void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv,
1043 struct ethtool_drvinfo *drvinfo);
1044void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv,
1045 uint32_t stringset, uint8_t *data);
1046int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset);
1047void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv,
1048 struct ethtool_stats *stats, u64 *data);
1049void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv,
1050 struct ethtool_ringparam *param);
1051int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv,
1052 struct ethtool_ringparam *param);
1053void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv,
1054 struct ethtool_channels *ch);
1055int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
1056 struct ethtool_channels *ch);
1057int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv,
1058 struct ethtool_coalesce *coal);
1059int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
1060 struct ethtool_coalesce *coal);
371289b6
OG
1061int mlx5e_ethtool_get_link_ksettings(struct mlx5e_priv *priv,
1062 struct ethtool_link_ksettings *link_ksettings);
1063int mlx5e_ethtool_set_link_ksettings(struct mlx5e_priv *priv,
1064 const struct ethtool_link_ksettings *link_ksettings);
a5355de8
OG
1065u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv);
1066u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv);
3844b07e
FD
1067int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
1068 struct ethtool_ts_info *info);
3ffaabec
OG
1069int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
1070 struct ethtool_flash *flash);
371289b6
OG
1071void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
1072 struct ethtool_pauseparam *pauseparam);
1073int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,
1074 struct ethtool_pauseparam *pauseparam);
076b0936 1075
2c3b5bee 1076/* mlx5e generic netdev management API */
519a0bf5
SM
1077int mlx5e_netdev_init(struct net_device *netdev,
1078 struct mlx5e_priv *priv,
1079 struct mlx5_core_dev *mdev,
1080 const struct mlx5e_profile *profile,
1081 void *ppriv);
182570b2 1082void mlx5e_netdev_cleanup(struct net_device *netdev, struct mlx5e_priv *priv);
2c3b5bee
SM
1083struct net_device*
1084mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile,
779d986d 1085 int nch, void *ppriv);
2c3b5bee
SM
1086int mlx5e_attach_netdev(struct mlx5e_priv *priv);
1087void mlx5e_detach_netdev(struct mlx5e_priv *priv);
1088void mlx5e_destroy_netdev(struct mlx5e_priv *priv);
8f493ffd 1089void mlx5e_build_nic_params(struct mlx5_core_dev *mdev,
bbeb53b8 1090 struct mlx5e_rss_params *rss_params,
8f493ffd 1091 struct mlx5e_params *params,
472a1e44 1092 u16 max_channels, u16 mtu);
749359f4
GT
1093void mlx5e_build_rq_params(struct mlx5_core_dev *mdev,
1094 struct mlx5e_params *params);
bbeb53b8
AL
1095void mlx5e_build_rss_params(struct mlx5e_rss_params *rss_params,
1096 u16 num_channels);
fbcb127e 1097u8 mlx5e_params_calculate_tx_min_inline(struct mlx5_core_dev *mdev);
9a317425 1098void mlx5e_rx_dim_work(struct work_struct *work);
cbce4f44 1099void mlx5e_tx_dim_work(struct work_struct *work);
073caf50
OG
1100
1101void mlx5e_add_vxlan_port(struct net_device *netdev, struct udp_tunnel_info *ti);
1102void mlx5e_del_vxlan_port(struct net_device *netdev, struct udp_tunnel_info *ti);
1103netdev_features_t mlx5e_features_check(struct sk_buff *skb,
1104 struct net_device *netdev,
1105 netdev_features_t features);
1106#ifdef CONFIG_MLX5_ESWITCH
1107int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac);
1108int mlx5e_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, int max_tx_rate);
1109int mlx5e_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_info *ivi);
1110int mlx5e_get_vf_stats(struct net_device *dev, int vf, struct ifla_vf_stats *vf_stats);
1111#endif
1afff42c 1112#endif /* __MLX5_EN_H__ */