1 /* 2 * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved. 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 #ifndef __MLX5_EN_H__ 33 #define __MLX5_EN_H__ 34 35 #include <linux/if_vlan.h> 36 #include <linux/etherdevice.h> 37 #include <linux/timecounter.h> 38 #include <linux/net_tstamp.h> 39 #include <linux/crash_dump.h> 40 #include <linux/mlx5/driver.h> 41 #include <linux/mlx5/qp.h> 42 #include <linux/mlx5/cq.h> 43 #include <linux/mlx5/port.h> 44 #include <linux/mlx5/vport.h> 45 #include <linux/mlx5/transobj.h> 46 #include <linux/mlx5/fs.h> 47 #include <linux/rhashtable.h> 48 #include <net/udp_tunnel.h> 49 #include <net/switchdev.h> 50 #include <net/xdp.h> 51 #include <linux/dim.h> 52 #include <linux/bits.h> 53 #include "wq.h" 54 #include "mlx5_core.h" 55 #include "en_stats.h" 56 #include "en/dcbnl.h" 57 #include "en/fs.h" 58 #include "en/qos.h" 59 #include "lib/hv_vhca.h" 60 #include "lib/clock.h" 61 #include "en/rx_res.h" 62 #include "en/selq.h" 63 #include "lib/sd.h" 64 65 extern const struct net_device_ops mlx5e_netdev_ops; 66 struct page_pool; 67 68 #define MLX5E_METADATA_ETHER_TYPE (0x8CE4) 69 #define MLX5E_METADATA_ETHER_LEN 8 70 71 #define MLX5E_ETH_HARD_MTU (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN) 72 73 #define MLX5E_HW2SW_MTU(params, hwmtu) ((hwmtu) - ((params)->hard_mtu)) 74 #define MLX5E_SW2HW_MTU(params, swmtu) ((swmtu) + ((params)->hard_mtu)) 75 76 #define MLX5E_MAX_NUM_MQPRIO_CH_TC TC_QOPT_MAX_QUEUE 77 78 #define MLX5_RX_HEADROOM NET_SKB_PAD 79 #define MLX5_SKB_FRAG_SZ(len) (SKB_DATA_ALIGN(len) + \ 80 SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) 81 82 #define MLX5E_RX_MAX_HEAD (256) 83 #define MLX5E_SHAMPO_LOG_HEADER_ENTRY_SIZE (8) 84 #define MLX5E_SHAMPO_LOG_MAX_HEADER_ENTRY_SIZE (9) 85 #define MLX5E_SHAMPO_WQ_HEADER_PER_PAGE (PAGE_SIZE >> MLX5E_SHAMPO_LOG_MAX_HEADER_ENTRY_SIZE) 86 #define MLX5E_SHAMPO_LOG_WQ_HEADER_PER_PAGE (PAGE_SHIFT - MLX5E_SHAMPO_LOG_MAX_HEADER_ENTRY_SIZE) 87 #define MLX5E_SHAMPO_WQ_BASE_HEAD_ENTRY_SIZE (64) 88 #define MLX5E_SHAMPO_WQ_RESRV_SIZE (64 * 1024) 89 #define MLX5E_SHAMPO_WQ_BASE_RESRV_SIZE (4096) 90 91 #define MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev) \ 92 (6 + MLX5_CAP_GEN(mdev, cache_line_128byte)) /* HW restriction */ 93 #define MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, req) \ 94 max_t(u32, MLX5_MPWRQ_MIN_LOG_STRIDE_SZ(mdev), req) 95 #define MLX5_MPWRQ_DEF_LOG_STRIDE_SZ(mdev) \ 96 MLX5_MPWRQ_LOG_STRIDE_SZ(mdev, order_base_2(MLX5E_RX_MAX_HEAD)) 97 98 /* Keep in sync with mlx5e_mpwrq_log_wqe_sz. 99 * These are theoretical maximums, which can be further restricted by 100 * capabilities. These values are used for static resource allocations and 101 * sanity checks. 102 * MLX5_SEND_WQE_MAX_SIZE is a bit bigger than the maximum cacheline-aligned WQE 103 * size actually used at runtime, but it's not a problem when calculating static 104 * array sizes. 105 */ 106 #define MLX5_UMR_MAX_FLEX_SPACE \ 107 (ALIGN_DOWN(MLX5_SEND_WQE_MAX_SIZE - sizeof(struct mlx5e_umr_wqe), \ 108 MLX5_UMR_FLEX_ALIGNMENT)) 109 #define MLX5_MPWRQ_MAX_PAGES_PER_WQE \ 110 rounddown_pow_of_two(MLX5_UMR_MAX_FLEX_SPACE / sizeof(struct mlx5_mtt)) 111 112 #define MLX5E_MAX_RQ_NUM_MTTS \ 113 (ALIGN_DOWN(U16_MAX, 4) * 2) /* Fits into u16 and aligned by WQEBB. */ 114 #define MLX5E_MAX_RQ_NUM_KSMS (U16_MAX - 1) /* So that num_ksms fits into u16. */ 115 #define MLX5E_ORDER2_MAX_PACKET_MTU (order_base_2(10 * 1024)) 116 117 #define MLX5E_MIN_SKB_FRAG_SZ (MLX5_SKB_FRAG_SZ(MLX5_RX_HEADROOM)) 118 #define MLX5E_LOG_MAX_RX_WQE_BULK \ 119 (ilog2(PAGE_SIZE / roundup_pow_of_two(MLX5E_MIN_SKB_FRAG_SZ))) 120 121 #define MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE 0x6 122 #define MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE 0xa 123 #define MLX5E_PARAMS_MAXIMUM_LOG_SQ_SIZE 0xd 124 125 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE (1 + MLX5E_LOG_MAX_RX_WQE_BULK) 126 #define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa 127 #define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd 128 129 #define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2 130 131 #define MLX5E_DEFAULT_LRO_TIMEOUT 32 132 #define MLX5E_DEFAULT_SHAMPO_TIMEOUT 1024 133 134 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC 0x10 135 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE 0x3 136 #define MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS 0x20 137 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC 0x10 138 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC_FROM_CQE 0x10 139 #define MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS 0x20 140 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES 0x80 141 #define MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW 0x2 142 143 #define MLX5E_MIN_NUM_CHANNELS 0x1 144 #define MLX5E_MAX_NUM_CHANNELS 256 145 #define MLX5E_TX_CQ_POLL_BUDGET 128 146 #define MLX5E_TX_XSK_POLL_BUDGET 64 147 #define MLX5E_SQ_RECOVER_MIN_INTERVAL 500 /* msecs */ 148 149 #define mlx5e_state_dereference(priv, p) \ 150 rcu_dereference_protected((p), lockdep_is_held(&(priv)->state_lock)) 151 152 enum mlx5e_devcom_events { 153 MPV_DEVCOM_MASTER_UP, 154 MPV_DEVCOM_MASTER_DOWN, 155 MPV_DEVCOM_IPSEC_MASTER_UP, 156 MPV_DEVCOM_IPSEC_MASTER_DOWN, 157 }; 158 159 static inline u8 mlx5e_get_num_lag_ports(struct mlx5_core_dev *mdev) 160 { 161 if (mlx5_lag_is_lacp_owner(mdev)) 162 return 1; 163 164 return clamp_t(u8, MLX5_CAP_GEN(mdev, num_lag_ports), 1, MLX5_MAX_PORTS); 165 } 166 167 static inline u16 mlx5_min_rx_wqes(int wq_type, u32 wq_size) 168 { 169 switch (wq_type) { 170 case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: 171 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES_MPW, 172 wq_size / 2); 173 default: 174 return min_t(u16, MLX5E_PARAMS_DEFAULT_MIN_RX_WQES, 175 wq_size / 2); 176 } 177 } 178 179 /* Use this function to get max num channels (rxqs/txqs) only to create netdev */ 180 static inline int mlx5e_get_max_num_channels(struct mlx5_core_dev *mdev) 181 { 182 return is_kdump_kernel() ? 183 MLX5E_MIN_NUM_CHANNELS : 184 min3(mlx5_comp_vectors_max(mdev), (u32)MLX5E_MAX_NUM_CHANNELS, 185 (u32)(1 << MLX5_CAP_GEN(mdev, log_max_rqt_size))); 186 } 187 188 /* The maximum WQE size can be retrieved by max_wqe_sz_sq in 189 * bytes units. Driver hardens the limitation to 1KB (16 190 * WQEBBs), unless firmware capability is stricter. 191 */ 192 static inline u8 mlx5e_get_max_sq_wqebbs(struct mlx5_core_dev *mdev) 193 { 194 BUILD_BUG_ON(MLX5_SEND_WQE_MAX_WQEBBS > U8_MAX); 195 196 return (u8)min_t(u16, MLX5_SEND_WQE_MAX_WQEBBS, 197 MLX5_CAP_GEN(mdev, max_wqe_sz_sq) / MLX5_SEND_WQE_BB); 198 } 199 200 static inline u8 mlx5e_get_max_sq_aligned_wqebbs(struct mlx5_core_dev *mdev) 201 { 202 /* The return value will be multiplied by MLX5_SEND_WQEBB_NUM_DS. 203 * Since max_sq_wqebbs may be up to MLX5_SEND_WQE_MAX_WQEBBS == 16, 204 * see mlx5e_get_max_sq_wqebbs(), the multiplication (16 * 4 == 64) 205 * overflows the 6-bit DS field of Ctrl Segment. Use a bound lower 206 * than MLX5_SEND_WQE_MAX_WQEBBS to let a full-session WQE be 207 * cache-aligned. 208 */ 209 u8 wqebbs = mlx5e_get_max_sq_wqebbs(mdev); 210 211 wqebbs = min_t(u8, wqebbs, MLX5_SEND_WQE_MAX_WQEBBS - 1); 212 #if L1_CACHE_BYTES >= 128 213 wqebbs = ALIGN_DOWN(wqebbs, 2); 214 #endif 215 return wqebbs; 216 } 217 218 struct mlx5e_tx_wqe { 219 struct mlx5_wqe_ctrl_seg ctrl; 220 struct mlx5_wqe_eth_seg eth; 221 struct mlx5_wqe_data_seg data[]; 222 }; 223 224 struct mlx5e_rx_wqe_ll { 225 struct mlx5_wqe_srq_next_seg next; 226 struct mlx5_wqe_data_seg data[]; 227 }; 228 229 struct mlx5e_rx_wqe_cyc { 230 DECLARE_FLEX_ARRAY(struct mlx5_wqe_data_seg, data); 231 }; 232 233 struct mlx5e_umr_wqe_hdr { 234 struct mlx5_wqe_ctrl_seg ctrl; 235 struct mlx5_wqe_umr_ctrl_seg uctrl; 236 struct mlx5_mkey_seg mkc; 237 }; 238 239 struct mlx5e_umr_wqe { 240 struct mlx5e_umr_wqe_hdr hdr; 241 union { 242 DECLARE_FLEX_ARRAY(struct mlx5_mtt, inline_mtts); 243 DECLARE_FLEX_ARRAY(struct mlx5_klm, inline_klms); 244 DECLARE_FLEX_ARRAY(struct mlx5_ksm, inline_ksms); 245 }; 246 }; 247 static_assert(offsetof(struct mlx5e_umr_wqe, inline_mtts) == sizeof(struct mlx5e_umr_wqe_hdr), 248 "struct members should be included in struct mlx5e_umr_wqe_hdr, not in struct mlx5e_umr_wqe"); 249 250 enum mlx5e_priv_flag { 251 MLX5E_PFLAG_RX_CQE_BASED_MODER, 252 MLX5E_PFLAG_TX_CQE_BASED_MODER, 253 MLX5E_PFLAG_RX_CQE_COMPRESS, 254 MLX5E_PFLAG_RX_STRIDING_RQ, 255 MLX5E_PFLAG_RX_NO_CSUM_COMPLETE, 256 MLX5E_PFLAG_XDP_TX_MPWQE, 257 MLX5E_PFLAG_SKB_TX_MPWQE, 258 MLX5E_PFLAG_TX_PORT_TS, 259 MLX5E_NUM_PFLAGS, /* Keep last */ 260 }; 261 262 #define MLX5E_SET_PFLAG(params, pflag, enable) \ 263 do { \ 264 if (enable) \ 265 (params)->pflags |= BIT(pflag); \ 266 else \ 267 (params)->pflags &= ~(BIT(pflag)); \ 268 } while (0) 269 270 #define MLX5E_GET_PFLAG(params, pflag) (!!((params)->pflags & (BIT(pflag)))) 271 272 enum packet_merge { 273 MLX5E_PACKET_MERGE_NONE, 274 MLX5E_PACKET_MERGE_LRO, 275 MLX5E_PACKET_MERGE_SHAMPO, 276 }; 277 278 struct mlx5e_packet_merge_param { 279 enum packet_merge type; 280 u32 timeout; 281 }; 282 283 struct mlx5e_params { 284 u8 log_sq_size; 285 u8 rq_wq_type; 286 u8 log_rq_mtu_frames; 287 u16 num_channels; 288 struct { 289 u16 mode; 290 u8 num_tc; 291 struct netdev_tc_txq tc_to_txq[TC_MAX_QUEUE]; 292 struct { 293 u64 max_rate[TC_MAX_QUEUE]; 294 u32 hw_id[TC_MAX_QUEUE]; 295 } channel; 296 } mqprio; 297 bool rx_cqe_compress_def; 298 struct dim_cq_moder rx_cq_moderation; 299 struct dim_cq_moder tx_cq_moderation; 300 struct mlx5e_packet_merge_param packet_merge; 301 u8 tx_min_inline_mode; 302 bool vlan_strip_disable; 303 bool scatter_fcs_en; 304 bool rx_dim_enabled; 305 bool tx_dim_enabled; 306 bool rx_moder_use_cqe_mode; 307 bool tx_moder_use_cqe_mode; 308 u32 pflags; 309 struct bpf_prog *xdp_prog; 310 struct mlx5e_xsk *xsk; 311 unsigned int sw_mtu; 312 int hard_mtu; 313 bool ptp_rx; 314 __be32 terminate_lkey_be; 315 }; 316 317 static inline u8 mlx5e_get_dcb_num_tc(struct mlx5e_params *params) 318 { 319 return params->mqprio.mode == TC_MQPRIO_MODE_DCB ? 320 params->mqprio.num_tc : 1; 321 } 322 323 /* Keep this enum consistent with the corresponding strings array 324 * declared in en/reporter_rx.c 325 */ 326 enum { 327 MLX5E_RQ_STATE_ENABLED = 0, 328 MLX5E_RQ_STATE_RECOVERING, 329 MLX5E_RQ_STATE_DIM, 330 MLX5E_RQ_STATE_NO_CSUM_COMPLETE, 331 MLX5E_RQ_STATE_CSUM_FULL, /* cqe_csum_full hw bit is set */ 332 MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX, /* set when mini_cqe_resp_stride_index cap is used */ 333 MLX5E_RQ_STATE_SHAMPO, /* set when SHAMPO cap is used */ 334 MLX5E_RQ_STATE_MINI_CQE_ENHANCED, /* set when enhanced mini_cqe_cap is used */ 335 MLX5E_RQ_STATE_XSK, /* set to indicate an xsk rq */ 336 MLX5E_NUM_RQ_STATES, /* Must be kept last */ 337 }; 338 339 struct mlx5e_cq { 340 /* data path - accessed per cqe */ 341 struct mlx5_cqwq wq; 342 343 /* data path - accessed per napi poll */ 344 u16 event_ctr; 345 struct napi_struct *napi; 346 struct mlx5_core_cq mcq; 347 struct mlx5e_ch_stats *ch_stats; 348 349 /* control */ 350 struct net_device *netdev; 351 struct mlx5_core_dev *mdev; 352 struct workqueue_struct *workqueue; 353 struct mlx5_wq_ctrl wq_ctrl; 354 } ____cacheline_aligned_in_smp; 355 356 struct mlx5e_cq_decomp { 357 /* cqe decompression */ 358 struct mlx5_cqe64 title; 359 struct mlx5_mini_cqe8 mini_arr[MLX5_MINI_CQE_ARRAY_SIZE]; 360 u8 mini_arr_idx; 361 u16 left; 362 u16 wqe_counter; 363 bool last_cqe_title; 364 } ____cacheline_aligned_in_smp; 365 366 enum mlx5e_dma_map_type { 367 MLX5E_DMA_MAP_SINGLE, 368 MLX5E_DMA_MAP_PAGE 369 }; 370 371 struct mlx5e_sq_dma { 372 dma_addr_t addr; 373 u32 size; 374 enum mlx5e_dma_map_type type; 375 }; 376 377 /* Keep this enum consistent with with the corresponding strings array 378 * declared in en/reporter_tx.c 379 */ 380 enum { 381 MLX5E_SQ_STATE_ENABLED = 0, 382 MLX5E_SQ_STATE_MPWQE, 383 MLX5E_SQ_STATE_RECOVERING, 384 MLX5E_SQ_STATE_IPSEC, 385 MLX5E_SQ_STATE_DIM, 386 MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE, 387 MLX5E_SQ_STATE_PENDING_XSK_TX, 388 MLX5E_SQ_STATE_PENDING_TLS_RX_RESYNC, 389 MLX5E_NUM_SQ_STATES, /* Must be kept last */ 390 }; 391 392 struct mlx5e_tx_mpwqe { 393 /* Current MPWQE session */ 394 struct mlx5e_tx_wqe *wqe; 395 u32 bytes_count; 396 u8 ds_count; 397 u8 ds_count_max; 398 u8 pkt_count; 399 u8 inline_on; 400 }; 401 402 struct mlx5e_skb_fifo { 403 struct sk_buff **fifo; 404 u16 *pc; 405 u16 *cc; 406 u16 mask; 407 }; 408 409 struct mlx5e_ptpsq; 410 411 struct mlx5e_txqsq { 412 /* data path */ 413 414 /* dirtied @completion */ 415 u16 cc; 416 u16 skb_fifo_cc; 417 u32 dma_fifo_cc; 418 struct dim *dim; /* Adaptive Moderation */ 419 420 /* dirtied @xmit */ 421 u16 pc ____cacheline_aligned_in_smp; 422 u16 skb_fifo_pc; 423 u32 dma_fifo_pc; 424 struct mlx5e_tx_mpwqe mpwqe; 425 426 struct mlx5e_cq cq; 427 428 /* read only */ 429 struct mlx5_wq_cyc wq; 430 u32 dma_fifo_mask; 431 struct mlx5e_sq_stats *stats; 432 struct { 433 struct mlx5e_sq_dma *dma_fifo; 434 struct mlx5e_skb_fifo skb_fifo; 435 struct mlx5e_tx_wqe_info *wqe_info; 436 } db; 437 void __iomem *uar_map; 438 struct netdev_queue *txq; 439 u32 sqn; 440 u16 stop_room; 441 u8 max_sq_mpw_wqebbs; 442 u8 min_inline_mode; 443 struct device *pdev; 444 __be32 mkey_be; 445 unsigned long state; 446 unsigned int hw_mtu; 447 struct mlx5_clock *clock; 448 struct net_device *netdev; 449 struct mlx5_core_dev *mdev; 450 struct mlx5e_channel *channel; 451 struct mlx5e_priv *priv; 452 453 /* control path */ 454 struct mlx5_wq_ctrl wq_ctrl; 455 int ch_ix; 456 int txq_ix; 457 u32 rate_limit; 458 struct work_struct recover_work; 459 struct mlx5e_ptpsq *ptpsq; 460 cqe_ts_to_ns ptp_cyc2time; 461 } ____cacheline_aligned_in_smp; 462 463 struct mlx5e_xdp_info_fifo { 464 union mlx5e_xdp_info *xi; 465 u32 *cc; 466 u32 *pc; 467 u32 mask; 468 }; 469 470 struct mlx5e_xdpsq; 471 struct mlx5e_xmit_data; 472 struct xsk_tx_metadata; 473 typedef int (*mlx5e_fp_xmit_xdp_frame_check)(struct mlx5e_xdpsq *); 474 typedef bool (*mlx5e_fp_xmit_xdp_frame)(struct mlx5e_xdpsq *, 475 struct mlx5e_xmit_data *, 476 int, 477 struct xsk_tx_metadata *); 478 479 struct mlx5e_xdpsq { 480 /* data path */ 481 482 /* dirtied @completion */ 483 u32 xdpi_fifo_cc; 484 u16 cc; 485 486 /* dirtied @xmit */ 487 u32 xdpi_fifo_pc ____cacheline_aligned_in_smp; 488 u16 pc; 489 struct mlx5_wqe_ctrl_seg *doorbell_cseg; 490 struct mlx5e_tx_mpwqe mpwqe; 491 492 struct mlx5e_cq cq; 493 494 /* read only */ 495 struct xsk_buff_pool *xsk_pool; 496 struct mlx5_wq_cyc wq; 497 struct mlx5e_xdpsq_stats *stats; 498 mlx5e_fp_xmit_xdp_frame_check xmit_xdp_frame_check; 499 mlx5e_fp_xmit_xdp_frame xmit_xdp_frame; 500 struct { 501 struct mlx5e_xdp_wqe_info *wqe_info; 502 struct mlx5e_xdp_info_fifo xdpi_fifo; 503 } db; 504 void __iomem *uar_map; 505 u32 sqn; 506 struct device *pdev; 507 __be32 mkey_be; 508 u16 stop_room; 509 u8 max_sq_mpw_wqebbs; 510 u8 min_inline_mode; 511 unsigned long state; 512 unsigned int hw_mtu; 513 514 /* control path */ 515 struct mlx5_wq_ctrl wq_ctrl; 516 struct mlx5e_channel *channel; 517 } ____cacheline_aligned_in_smp; 518 519 struct mlx5e_xdp_buff { 520 struct xdp_buff xdp; 521 struct mlx5_cqe64 *cqe; 522 struct mlx5e_rq *rq; 523 }; 524 525 struct mlx5e_ktls_resync_resp; 526 527 struct mlx5e_icosq { 528 /* data path */ 529 u16 cc; 530 u16 pc; 531 532 struct mlx5_wqe_ctrl_seg *doorbell_cseg; 533 struct mlx5e_cq cq; 534 535 /* write@xmit, read@completion */ 536 struct { 537 struct mlx5e_icosq_wqe_info *wqe_info; 538 } db; 539 540 /* read only */ 541 struct mlx5_wq_cyc wq; 542 void __iomem *uar_map; 543 u32 sqn; 544 u16 reserved_room; 545 unsigned long state; 546 struct mlx5e_ktls_resync_resp *ktls_resync; 547 548 /* control path */ 549 struct mlx5_wq_ctrl wq_ctrl; 550 struct mlx5e_channel *channel; 551 552 struct work_struct recover_work; 553 } ____cacheline_aligned_in_smp; 554 555 struct mlx5e_frag_page { 556 netmem_ref netmem; 557 u16 frags; 558 }; 559 560 enum mlx5e_wqe_frag_flag { 561 MLX5E_WQE_FRAG_LAST_IN_PAGE, 562 MLX5E_WQE_FRAG_SKIP_RELEASE, 563 }; 564 565 struct mlx5e_wqe_frag_info { 566 union { 567 struct mlx5e_frag_page *frag_page; 568 struct xdp_buff **xskp; 569 }; 570 u32 offset; 571 u8 flags; 572 }; 573 574 union mlx5e_alloc_units { 575 DECLARE_FLEX_ARRAY(struct mlx5e_frag_page, frag_pages); 576 DECLARE_FLEX_ARRAY(struct page *, pages); 577 DECLARE_FLEX_ARRAY(struct xdp_buff *, xsk_buffs); 578 }; 579 580 struct mlx5e_mpw_info { 581 u16 consumed_strides; 582 DECLARE_BITMAP(skip_release_bitmap, MLX5_MPWRQ_MAX_PAGES_PER_WQE); 583 struct mlx5e_frag_page linear_page; 584 union mlx5e_alloc_units alloc_units; 585 }; 586 587 #define MLX5E_MAX_RX_FRAGS 4 588 589 struct mlx5e_rq; 590 typedef void (*mlx5e_fp_handle_rx_cqe)(struct mlx5e_rq*, struct mlx5_cqe64*); 591 typedef struct sk_buff * 592 (*mlx5e_fp_skb_from_cqe_mpwrq)(struct mlx5e_rq *rq, struct mlx5e_mpw_info *wi, 593 struct mlx5_cqe64 *cqe, u16 cqe_bcnt, 594 u32 head_offset, u32 page_idx); 595 typedef struct sk_buff * 596 (*mlx5e_fp_skb_from_cqe)(struct mlx5e_rq *rq, struct mlx5e_wqe_frag_info *wi, 597 struct mlx5_cqe64 *cqe, u32 cqe_bcnt); 598 typedef bool (*mlx5e_fp_post_rx_wqes)(struct mlx5e_rq *rq); 599 typedef void (*mlx5e_fp_dealloc_wqe)(struct mlx5e_rq*, u16); 600 typedef void (*mlx5e_fp_shampo_dealloc_hd)(struct mlx5e_rq*, u16, u16, bool); 601 602 int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool xsk); 603 void mlx5e_rq_set_trap_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params); 604 605 enum mlx5e_rq_flag { 606 MLX5E_RQ_FLAG_XDP_XMIT, 607 MLX5E_RQ_FLAG_XDP_REDIRECT, 608 }; 609 610 struct mlx5e_rq_frag_info { 611 int frag_size; 612 int frag_stride; 613 }; 614 615 struct mlx5e_rq_frags_info { 616 struct mlx5e_rq_frag_info arr[MLX5E_MAX_RX_FRAGS]; 617 u8 num_frags; 618 u8 log_num_frags; 619 u16 wqe_bulk; 620 u16 refill_unit; 621 u8 wqe_index_mask; 622 }; 623 624 struct mlx5e_dma_info { 625 dma_addr_t addr; 626 union { 627 struct mlx5e_frag_page *frag_page; 628 struct page *page; 629 }; 630 }; 631 632 struct mlx5e_shampo_hd { 633 u32 mkey; 634 struct mlx5e_frag_page *pages; 635 u32 hd_per_wq; 636 u16 hd_per_wqe; 637 unsigned long *bitmap; 638 u16 pi; 639 u16 ci; 640 __be32 key; 641 }; 642 643 struct mlx5e_hw_gro_data { 644 struct sk_buff *skb; 645 struct flow_keys fk; 646 int second_ip_id; 647 }; 648 649 enum mlx5e_mpwrq_umr_mode { 650 MLX5E_MPWRQ_UMR_MODE_ALIGNED, 651 MLX5E_MPWRQ_UMR_MODE_UNALIGNED, 652 MLX5E_MPWRQ_UMR_MODE_OVERSIZED, 653 MLX5E_MPWRQ_UMR_MODE_TRIPLE, 654 }; 655 656 struct mlx5e_rq { 657 /* data path */ 658 union { 659 struct { 660 struct mlx5_wq_cyc wq; 661 struct mlx5e_wqe_frag_info *frags; 662 union mlx5e_alloc_units *alloc_units; 663 struct mlx5e_rq_frags_info info; 664 mlx5e_fp_skb_from_cqe skb_from_cqe; 665 } wqe; 666 struct { 667 struct mlx5_wq_ll wq; 668 struct mlx5e_umr_wqe_hdr umr_wqe; 669 struct mlx5e_mpw_info *info; 670 mlx5e_fp_skb_from_cqe_mpwrq skb_from_cqe_mpwrq; 671 __be32 umr_mkey_be; 672 u16 num_strides; 673 u16 actual_wq_head; 674 u8 log_stride_sz; 675 u8 umr_in_progress; 676 u8 umr_last_bulk; 677 u8 umr_completed; 678 u8 min_wqe_bulk; 679 u8 page_shift; 680 u8 pages_per_wqe; 681 u8 umr_wqebbs; 682 u8 mtts_per_wqe; 683 u8 umr_mode; 684 struct mlx5e_shampo_hd *shampo; 685 } mpwqe; 686 }; 687 struct { 688 u16 headroom; 689 u32 frame0_sz; 690 u8 map_dir; /* dma map direction */ 691 } buff; 692 693 struct device *pdev; 694 struct net_device *netdev; 695 struct mlx5e_rq_stats *stats; 696 struct mlx5e_cq cq; 697 struct mlx5e_cq_decomp cqd; 698 struct hwtstamp_config *tstamp; 699 struct mlx5_clock *clock; 700 struct mlx5e_icosq *icosq; 701 struct mlx5e_priv *priv; 702 703 struct mlx5e_hw_gro_data *hw_gro_data; 704 705 mlx5e_fp_handle_rx_cqe handle_rx_cqe; 706 mlx5e_fp_post_rx_wqes post_wqes; 707 mlx5e_fp_dealloc_wqe dealloc_wqe; 708 709 unsigned long state; 710 int ix; 711 unsigned int hw_mtu; 712 713 struct dim *dim; /* Dynamic Interrupt Moderation */ 714 715 /* XDP */ 716 struct bpf_prog __rcu *xdp_prog; 717 struct mlx5e_xdpsq *xdpsq; 718 DECLARE_BITMAP(flags, 8); 719 720 /* page pools */ 721 struct page_pool *page_pool; 722 struct page_pool *hd_page_pool; 723 724 struct mlx5e_xdp_buff mxbuf; 725 726 /* AF_XDP zero-copy */ 727 struct xsk_buff_pool *xsk_pool; 728 729 struct work_struct recover_work; 730 731 /* control */ 732 struct mlx5_wq_ctrl wq_ctrl; 733 __be32 mkey_be; 734 u8 wq_type; 735 u32 rqn; 736 struct mlx5_core_dev *mdev; 737 struct mlx5e_channel *channel; 738 struct mlx5e_dma_info wqe_overflow; 739 740 /* XDP read-mostly */ 741 struct xdp_rxq_info xdp_rxq; 742 cqe_ts_to_ns ptp_cyc2time; 743 } ____cacheline_aligned_in_smp; 744 745 enum mlx5e_channel_state { 746 MLX5E_CHANNEL_STATE_XSK, 747 MLX5E_CHANNEL_NUM_STATES 748 }; 749 750 struct mlx5e_channel { 751 /* data path */ 752 struct mlx5e_rq rq; 753 struct mlx5e_xdpsq rq_xdpsq; 754 struct mlx5e_txqsq sq[MLX5_MAX_NUM_TC]; 755 struct mlx5e_icosq icosq; /* internal control operations */ 756 struct mlx5e_txqsq __rcu * __rcu *qos_sqs; 757 bool xdp; 758 struct napi_struct napi; 759 struct device *pdev; 760 struct net_device *netdev; 761 __be32 mkey_be; 762 u16 qos_sqs_size; 763 u8 num_tc; 764 u8 lag_port; 765 766 /* XDP_REDIRECT */ 767 struct mlx5e_xdpsq *xdpsq; 768 769 /* AF_XDP zero-copy */ 770 struct mlx5e_rq xskrq; 771 struct mlx5e_xdpsq xsksq; 772 773 /* Async ICOSQ */ 774 struct mlx5e_icosq async_icosq; 775 /* async_icosq can be accessed from any CPU - the spinlock protects it. */ 776 spinlock_t async_icosq_lock; 777 778 /* data path - accessed per napi poll */ 779 const struct cpumask *aff_mask; 780 struct mlx5e_ch_stats *stats; 781 782 /* control */ 783 struct mlx5e_priv *priv; 784 struct mlx5_core_dev *mdev; 785 struct hwtstamp_config *tstamp; 786 DECLARE_BITMAP(state, MLX5E_CHANNEL_NUM_STATES); 787 int ix; 788 int vec_ix; 789 int sd_ix; 790 int cpu; 791 /* Sync between icosq recovery and XSK enable/disable. */ 792 struct mutex icosq_recovery_lock; 793 794 /* coalescing configuration */ 795 struct dim_cq_moder rx_cq_moder; 796 struct dim_cq_moder tx_cq_moder; 797 }; 798 799 struct mlx5e_ptp; 800 801 struct mlx5e_channels { 802 struct mlx5e_channel **c; 803 struct mlx5e_ptp *ptp; 804 unsigned int num; 805 struct mlx5e_params params; 806 }; 807 808 struct mlx5e_channel_stats { 809 struct mlx5e_ch_stats ch; 810 struct mlx5e_sq_stats sq[MLX5_MAX_NUM_TC]; 811 struct mlx5e_rq_stats rq; 812 struct mlx5e_rq_stats xskrq; 813 struct mlx5e_xdpsq_stats rq_xdpsq; 814 struct mlx5e_xdpsq_stats xdpsq; 815 struct mlx5e_xdpsq_stats xsksq; 816 } ____cacheline_aligned_in_smp; 817 818 struct mlx5e_ptp_stats { 819 struct mlx5e_ch_stats ch; 820 struct mlx5e_sq_stats sq[MLX5_MAX_NUM_TC]; 821 struct mlx5e_ptp_cq_stats cq[MLX5_MAX_NUM_TC]; 822 struct mlx5e_rq_stats rq; 823 } ____cacheline_aligned_in_smp; 824 825 enum { 826 MLX5E_STATE_OPENED, 827 MLX5E_STATE_DESTROYING, 828 MLX5E_STATE_XDP_TX_ENABLED, 829 MLX5E_STATE_XDP_ACTIVE, 830 MLX5E_STATE_CHANNELS_ACTIVE, 831 }; 832 833 struct mlx5e_modify_sq_param { 834 int curr_state; 835 int next_state; 836 int rl_update; 837 int rl_index; 838 bool qos_update; 839 u16 qos_queue_group_id; 840 }; 841 842 #if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE) 843 struct mlx5e_hv_vhca_stats_agent { 844 struct mlx5_hv_vhca_agent *agent; 845 struct delayed_work work; 846 u16 delay; 847 void *buf; 848 }; 849 #endif 850 851 struct mlx5e_xsk { 852 /* XSK buffer pools are stored separately from channels, 853 * because we don't want to lose them when channels are 854 * recreated. The kernel also stores buffer pool, but it doesn't 855 * distinguish between zero-copy and non-zero-copy UMEMs, so 856 * rely on our mechanism. 857 */ 858 struct xsk_buff_pool **pools; 859 u16 refcnt; 860 bool ever_used; 861 }; 862 863 /* Temporary storage for variables that are allocated when struct mlx5e_priv is 864 * initialized, and used where we can't allocate them because that functions 865 * must not fail. Use with care and make sure the same variable is not used 866 * simultaneously by multiple users. 867 */ 868 struct mlx5e_scratchpad { 869 cpumask_var_t cpumask; 870 }; 871 872 struct mlx5e_trap; 873 struct mlx5e_htb; 874 875 struct mlx5e_priv { 876 /* priv data path fields - start */ 877 struct mlx5e_selq selq; 878 struct mlx5e_txqsq **txq2sq; 879 struct mlx5e_sq_stats **txq2sq_stats; 880 881 #ifdef CONFIG_MLX5_CORE_EN_DCB 882 struct mlx5e_dcbx_dp dcbx_dp; 883 #endif 884 /* priv data path fields - end */ 885 886 unsigned long state; 887 struct mutex state_lock; /* Protects Interface state */ 888 struct mlx5e_rq drop_rq; 889 890 struct mlx5e_channels channels; 891 struct mlx5e_rx_res *rx_res; 892 u32 *tx_rates; 893 894 struct mlx5e_flow_steering *fs; 895 896 struct workqueue_struct *wq; 897 struct work_struct update_carrier_work; 898 struct work_struct set_rx_mode_work; 899 struct work_struct tx_timeout_work; 900 struct work_struct update_stats_work; 901 struct work_struct monitor_counters_work; 902 struct mlx5_nb monitor_counters_nb; 903 904 struct mlx5_core_dev *mdev; 905 struct net_device *netdev; 906 struct mlx5e_trap *en_trap; 907 struct mlx5e_stats stats; 908 struct mlx5e_channel_stats **channel_stats; 909 struct mlx5e_channel_stats trap_stats; 910 struct mlx5e_ptp_stats ptp_stats; 911 struct mlx5e_sq_stats **htb_qos_sq_stats; 912 u16 htb_max_qos_sqs; 913 u16 stats_nch; 914 u16 max_nch; 915 u8 max_opened_tc; 916 bool tx_ptp_opened; 917 bool rx_ptp_opened; 918 struct hwtstamp_config tstamp; 919 u16 q_counter[MLX5_SD_MAX_GROUP_SZ]; 920 u16 drop_rq_q_counter; 921 struct notifier_block events_nb; 922 struct notifier_block blocking_events_nb; 923 924 struct udp_tunnel_nic_info nic_info; 925 #ifdef CONFIG_MLX5_CORE_EN_DCB 926 struct mlx5e_dcbx dcbx; 927 #endif 928 929 const struct mlx5e_profile *profile; 930 void *ppriv; 931 #ifdef CONFIG_MLX5_MACSEC 932 struct mlx5e_macsec *macsec; 933 #endif 934 #ifdef CONFIG_MLX5_EN_IPSEC 935 struct mlx5e_ipsec *ipsec; 936 #endif 937 #ifdef CONFIG_MLX5_EN_TLS 938 struct mlx5e_tls *tls; 939 #endif 940 struct devlink_health_reporter *tx_reporter; 941 struct devlink_health_reporter *rx_reporter; 942 struct mlx5e_xsk xsk; 943 #if IS_ENABLED(CONFIG_PCI_HYPERV_INTERFACE) 944 struct mlx5e_hv_vhca_stats_agent stats_agent; 945 #endif 946 struct mlx5e_scratchpad scratchpad; 947 struct mlx5e_htb *htb; 948 struct mlx5e_mqprio_rl *mqprio_rl; 949 struct dentry *dfs_root; 950 struct mlx5_devcom_comp_dev *devcom; 951 }; 952 953 struct mlx5e_dev { 954 struct mlx5e_priv *priv; 955 struct devlink_port dl_port; 956 }; 957 958 struct mlx5e_rx_handlers { 959 mlx5e_fp_handle_rx_cqe handle_rx_cqe; 960 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe; 961 mlx5e_fp_handle_rx_cqe handle_rx_cqe_mpwqe_shampo; 962 }; 963 964 extern const struct mlx5e_rx_handlers mlx5e_rx_handlers_nic; 965 966 enum mlx5e_profile_feature { 967 MLX5E_PROFILE_FEATURE_PTP_RX, 968 MLX5E_PROFILE_FEATURE_PTP_TX, 969 MLX5E_PROFILE_FEATURE_QOS_HTB, 970 MLX5E_PROFILE_FEATURE_FS_VLAN, 971 MLX5E_PROFILE_FEATURE_FS_TC, 972 }; 973 974 struct mlx5e_profile { 975 int (*init)(struct mlx5_core_dev *mdev, 976 struct net_device *netdev); 977 void (*cleanup)(struct mlx5e_priv *priv); 978 int (*init_rx)(struct mlx5e_priv *priv); 979 void (*cleanup_rx)(struct mlx5e_priv *priv); 980 int (*init_tx)(struct mlx5e_priv *priv); 981 void (*cleanup_tx)(struct mlx5e_priv *priv); 982 void (*enable)(struct mlx5e_priv *priv); 983 void (*disable)(struct mlx5e_priv *priv); 984 int (*update_rx)(struct mlx5e_priv *priv); 985 void (*update_stats)(struct mlx5e_priv *priv); 986 void (*update_carrier)(struct mlx5e_priv *priv); 987 int (*max_nch_limit)(struct mlx5_core_dev *mdev); 988 u32 (*get_tisn)(struct mlx5_core_dev *mdev, struct mlx5e_priv *priv, 989 u8 lag_port, u8 tc); 990 unsigned int (*stats_grps_num)(struct mlx5e_priv *priv); 991 mlx5e_stats_grp_t *stats_grps; 992 const struct mlx5e_rx_handlers *rx_handlers; 993 int max_tc; 994 u32 features; 995 }; 996 997 u32 mlx5e_profile_get_tisn(struct mlx5_core_dev *mdev, 998 struct mlx5e_priv *priv, 999 const struct mlx5e_profile *profile, 1000 u8 lag_port, u8 tc); 1001 1002 #define mlx5e_profile_feature_cap(profile, feature) \ 1003 ((profile)->features & BIT(MLX5E_PROFILE_FEATURE_##feature)) 1004 1005 void mlx5e_build_ptys2ethtool_map(void); 1006 1007 bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev, u8 page_shift, 1008 enum mlx5e_mpwrq_umr_mode umr_mode); 1009 1010 void mlx5e_shampo_fill_umr(struct mlx5e_rq *rq, int len); 1011 void mlx5e_shampo_dealloc_hd(struct mlx5e_rq *rq); 1012 void mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats); 1013 void mlx5e_fold_sw_stats64(struct mlx5e_priv *priv, struct rtnl_link_stats64 *s); 1014 1015 int mlx5e_self_test_num(struct mlx5e_priv *priv); 1016 int mlx5e_self_test_fill_strings(struct mlx5e_priv *priv, u8 *data); 1017 void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest, 1018 u64 *buf); 1019 void mlx5e_set_rx_mode_work(struct work_struct *work); 1020 1021 int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr); 1022 int mlx5e_hwstamp_get(struct mlx5e_priv *priv, struct ifreq *ifr); 1023 int mlx5e_modify_rx_cqe_compression_locked(struct mlx5e_priv *priv, bool val, bool rx_filter); 1024 1025 int mlx5e_vlan_rx_add_vid(struct net_device *dev, __always_unused __be16 proto, 1026 u16 vid); 1027 int mlx5e_vlan_rx_kill_vid(struct net_device *dev, __always_unused __be16 proto, 1028 u16 vid); 1029 void mlx5e_timestamp_init(struct mlx5e_priv *priv); 1030 1031 struct mlx5e_xsk_param; 1032 1033 struct mlx5e_rq_param; 1034 int mlx5e_open_rq(struct mlx5e_params *params, struct mlx5e_rq_param *param, 1035 struct mlx5e_xsk_param *xsk, int node, u16 q_counter, 1036 struct mlx5e_rq *rq); 1037 #define MLX5E_RQ_WQES_TIMEOUT 20000 /* msecs */ 1038 int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq, int wait_time); 1039 void mlx5e_close_rq(struct mlx5e_rq *rq); 1040 int mlx5e_create_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param, u16 q_counter); 1041 void mlx5e_destroy_rq(struct mlx5e_rq *rq); 1042 1043 bool mlx5e_reset_rx_moderation(struct dim_cq_moder *cq_moder, u8 cq_period_mode, 1044 bool dim_enabled); 1045 bool mlx5e_reset_rx_channels_moderation(struct mlx5e_channels *chs, u8 cq_period_mode, 1046 bool dim_enabled, bool keep_dim_state); 1047 1048 struct mlx5e_sq_param; 1049 int mlx5e_open_xdpsq(struct mlx5e_channel *c, struct mlx5e_params *params, 1050 struct mlx5e_sq_param *param, struct xsk_buff_pool *xsk_pool, 1051 struct mlx5e_xdpsq *sq, bool is_redirect); 1052 void mlx5e_close_xdpsq(struct mlx5e_xdpsq *sq); 1053 1054 struct mlx5e_create_cq_param { 1055 struct net_device *netdev; 1056 struct workqueue_struct *wq; 1057 struct napi_struct *napi; 1058 struct mlx5e_ch_stats *ch_stats; 1059 int node; 1060 int ix; 1061 }; 1062 1063 struct mlx5e_cq_param; 1064 int mlx5e_open_cq(struct mlx5_core_dev *mdev, struct dim_cq_moder moder, 1065 struct mlx5e_cq_param *param, struct mlx5e_create_cq_param *ccp, 1066 struct mlx5e_cq *cq); 1067 void mlx5e_close_cq(struct mlx5e_cq *cq); 1068 int mlx5e_modify_cq_period_mode(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, 1069 u8 cq_period_mode); 1070 int mlx5e_modify_cq_moderation(struct mlx5_core_dev *dev, struct mlx5_core_cq *cq, 1071 u16 cq_period, u16 cq_max_count, u8 cq_period_mode); 1072 1073 int mlx5e_open_locked(struct net_device *netdev); 1074 int mlx5e_close_locked(struct net_device *netdev); 1075 1076 void mlx5e_trigger_napi_icosq(struct mlx5e_channel *c); 1077 void mlx5e_trigger_napi_sched(struct napi_struct *napi); 1078 1079 int mlx5e_open_channels(struct mlx5e_priv *priv, 1080 struct mlx5e_channels *chs); 1081 void mlx5e_close_channels(struct mlx5e_channels *chs); 1082 1083 /* Function pointer to be used to modify HW or kernel settings while 1084 * switching channels 1085 */ 1086 typedef int (*mlx5e_fp_preactivate)(struct mlx5e_priv *priv, void *context); 1087 #define MLX5E_DEFINE_PREACTIVATE_WRAPPER_CTX(fn) \ 1088 int fn##_ctx(struct mlx5e_priv *priv, void *context) \ 1089 { \ 1090 return fn(priv); \ 1091 } 1092 int mlx5e_safe_reopen_channels(struct mlx5e_priv *priv); 1093 int mlx5e_safe_switch_params(struct mlx5e_priv *priv, 1094 struct mlx5e_params *new_params, 1095 mlx5e_fp_preactivate preactivate, 1096 void *context, bool reset); 1097 int mlx5e_update_tx_netdev_queues(struct mlx5e_priv *priv); 1098 int mlx5e_num_channels_changed_ctx(struct mlx5e_priv *priv, void *context); 1099 int mlx5e_update_tc_and_tx_queues_ctx(struct mlx5e_priv *priv, void *context); 1100 void mlx5e_activate_priv_channels(struct mlx5e_priv *priv); 1101 void mlx5e_deactivate_priv_channels(struct mlx5e_priv *priv); 1102 int mlx5e_ptp_rx_manage_fs_ctx(struct mlx5e_priv *priv, void *ctx); 1103 1104 int mlx5e_flush_rq(struct mlx5e_rq *rq, int curr_state); 1105 void mlx5e_activate_rq(struct mlx5e_rq *rq); 1106 void mlx5e_deactivate_rq(struct mlx5e_rq *rq); 1107 void mlx5e_activate_icosq(struct mlx5e_icosq *icosq); 1108 void mlx5e_deactivate_icosq(struct mlx5e_icosq *icosq); 1109 1110 int mlx5e_modify_sq(struct mlx5_core_dev *mdev, u32 sqn, 1111 struct mlx5e_modify_sq_param *p); 1112 int mlx5e_open_txqsq(struct mlx5e_channel *c, u32 tisn, int txq_ix, 1113 struct mlx5e_params *params, struct mlx5e_sq_param *param, 1114 struct mlx5e_txqsq *sq, int tc, u16 qos_queue_group_id, 1115 struct mlx5e_sq_stats *sq_stats); 1116 void mlx5e_activate_txqsq(struct mlx5e_txqsq *sq); 1117 void mlx5e_deactivate_txqsq(struct mlx5e_txqsq *sq); 1118 void mlx5e_free_txqsq(struct mlx5e_txqsq *sq); 1119 void mlx5e_tx_disable_queue(struct netdev_queue *txq); 1120 int mlx5e_alloc_txqsq_db(struct mlx5e_txqsq *sq, int numa); 1121 void mlx5e_free_txqsq_db(struct mlx5e_txqsq *sq); 1122 struct mlx5e_create_sq_param; 1123 int mlx5e_create_sq_rdy(struct mlx5_core_dev *mdev, 1124 struct mlx5e_sq_param *param, 1125 struct mlx5e_create_sq_param *csp, 1126 u16 qos_queue_group_id, 1127 u32 *sqn); 1128 void mlx5e_tx_err_cqe_work(struct work_struct *recover_work); 1129 void mlx5e_close_txqsq(struct mlx5e_txqsq *sq); 1130 1131 bool mlx5e_reset_tx_moderation(struct dim_cq_moder *cq_moder, u8 cq_period_mode, 1132 bool dim_enabled); 1133 bool mlx5e_reset_tx_channels_moderation(struct mlx5e_channels *chs, u8 cq_period_mode, 1134 bool dim_enabled, bool keep_dim_state); 1135 1136 static inline bool mlx5_tx_swp_supported(struct mlx5_core_dev *mdev) 1137 { 1138 return MLX5_CAP_ETH(mdev, swp) && 1139 MLX5_CAP_ETH(mdev, swp_csum) && MLX5_CAP_ETH(mdev, swp_lso); 1140 } 1141 1142 extern const struct ethtool_ops mlx5e_ethtool_ops; 1143 1144 int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, u32 *mkey); 1145 int mlx5e_create_mdev_resources(struct mlx5_core_dev *mdev, bool create_tises); 1146 void mlx5e_destroy_mdev_resources(struct mlx5_core_dev *mdev); 1147 int mlx5e_refresh_tirs(struct mlx5e_priv *priv, bool enable_uc_lb, 1148 bool enable_mc_lb); 1149 void mlx5e_mkey_set_relaxed_ordering(struct mlx5_core_dev *mdev, void *mkc); 1150 1151 /* common netdev helpers */ 1152 void mlx5e_create_q_counters(struct mlx5e_priv *priv); 1153 void mlx5e_destroy_q_counters(struct mlx5e_priv *priv); 1154 int mlx5e_open_drop_rq(struct mlx5e_priv *priv, 1155 struct mlx5e_rq *drop_rq); 1156 void mlx5e_close_drop_rq(struct mlx5e_rq *drop_rq); 1157 1158 int mlx5e_create_tis(struct mlx5_core_dev *mdev, void *in, u32 *tisn); 1159 void mlx5e_destroy_tis(struct mlx5_core_dev *mdev, u32 tisn); 1160 1161 void mlx5e_update_carrier(struct mlx5e_priv *priv); 1162 int mlx5e_close(struct net_device *netdev); 1163 int mlx5e_open(struct net_device *netdev); 1164 1165 void mlx5e_queue_update_stats(struct mlx5e_priv *priv); 1166 1167 int mlx5e_set_dev_port_mtu(struct mlx5e_priv *priv); 1168 int mlx5e_set_dev_port_mtu_ctx(struct mlx5e_priv *priv, void *context); 1169 int mlx5e_change_mtu(struct net_device *netdev, int new_mtu, 1170 mlx5e_fp_preactivate preactivate); 1171 void mlx5e_vxlan_set_netdev_info(struct mlx5e_priv *priv); 1172 1173 /* ethtool helpers */ 1174 void mlx5e_ethtool_get_drvinfo(struct mlx5e_priv *priv, 1175 struct ethtool_drvinfo *drvinfo); 1176 void mlx5e_ethtool_get_strings(struct mlx5e_priv *priv, 1177 u32 stringset, u8 *data); 1178 int mlx5e_ethtool_get_sset_count(struct mlx5e_priv *priv, int sset); 1179 void mlx5e_ethtool_get_ethtool_stats(struct mlx5e_priv *priv, 1180 struct ethtool_stats *stats, u64 *data); 1181 void mlx5e_ethtool_get_ringparam(struct mlx5e_priv *priv, 1182 struct ethtool_ringparam *param, 1183 struct kernel_ethtool_ringparam *kernel_param); 1184 int mlx5e_ethtool_set_ringparam(struct mlx5e_priv *priv, 1185 struct ethtool_ringparam *param, 1186 struct netlink_ext_ack *extack); 1187 void mlx5e_ethtool_get_channels(struct mlx5e_priv *priv, 1188 struct ethtool_channels *ch); 1189 int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, 1190 struct ethtool_channels *ch); 1191 int mlx5e_ethtool_get_coalesce(struct mlx5e_priv *priv, 1192 struct ethtool_coalesce *coal, 1193 struct kernel_ethtool_coalesce *kernel_coal, 1194 struct netlink_ext_ack *extack); 1195 int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv, 1196 struct ethtool_coalesce *coal, 1197 struct kernel_ethtool_coalesce *kernel_coal, 1198 struct netlink_ext_ack *extack); 1199 int mlx5e_get_per_queue_coalesce(struct net_device *dev, u32 queue, 1200 struct ethtool_coalesce *coal); 1201 int mlx5e_set_per_queue_coalesce(struct net_device *dev, u32 queue, 1202 struct ethtool_coalesce *coal); 1203 u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv); 1204 u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv); 1205 int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv, 1206 struct kernel_ethtool_ts_info *info); 1207 int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv, 1208 struct ethtool_flash *flash); 1209 1210 /* mlx5e generic netdev management API */ 1211 static inline bool 1212 mlx5e_tx_mpwqe_supported(struct mlx5_core_dev *mdev) 1213 { 1214 return !is_kdump_kernel() && 1215 MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe); 1216 } 1217 1218 int mlx5e_get_pf_num_tirs(struct mlx5_core_dev *mdev); 1219 int mlx5e_priv_init(struct mlx5e_priv *priv, 1220 const struct mlx5e_profile *profile, 1221 struct net_device *netdev, 1222 struct mlx5_core_dev *mdev); 1223 void mlx5e_priv_cleanup(struct mlx5e_priv *priv); 1224 struct net_device * 1225 mlx5e_create_netdev(struct mlx5_core_dev *mdev, const struct mlx5e_profile *profile); 1226 int mlx5e_attach_netdev(struct mlx5e_priv *priv); 1227 void mlx5e_detach_netdev(struct mlx5e_priv *priv); 1228 void mlx5e_destroy_netdev(struct mlx5e_priv *priv); 1229 int mlx5e_netdev_change_profile(struct mlx5e_priv *priv, 1230 const struct mlx5e_profile *new_profile, void *new_ppriv); 1231 void mlx5e_netdev_attach_nic_profile(struct mlx5e_priv *priv); 1232 void mlx5e_set_netdev_mtu_boundaries(struct mlx5e_priv *priv); 1233 void mlx5e_build_nic_params(struct mlx5e_priv *priv, struct mlx5e_xsk *xsk, u16 mtu); 1234 1235 void mlx5e_set_xdp_feature(struct net_device *netdev); 1236 netdev_features_t mlx5e_features_check(struct sk_buff *skb, 1237 struct net_device *netdev, 1238 netdev_features_t features); 1239 int mlx5e_set_features(struct net_device *netdev, netdev_features_t features); 1240 #ifdef CONFIG_MLX5_ESWITCH 1241 int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac); 1242 int mlx5e_set_vf_rate(struct net_device *dev, int vf, int min_tx_rate, int max_tx_rate); 1243 int mlx5e_get_vf_config(struct net_device *dev, int vf, struct ifla_vf_info *ivi); 1244 int mlx5e_get_vf_stats(struct net_device *dev, int vf, struct ifla_vf_stats *vf_stats); 1245 #endif 1246 int mlx5e_create_mkey(struct mlx5_core_dev *mdev, u32 pdn, u32 *mkey); 1247 #endif /* __MLX5_EN_H__ */ 1248