1 /* QLogic qede NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 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 _QEDE_H_ 33 #define _QEDE_H_ 34 #include <linux/compiler.h> 35 #include <linux/version.h> 36 #include <linux/workqueue.h> 37 #include <linux/netdevice.h> 38 #include <linux/interrupt.h> 39 #include <linux/bitmap.h> 40 #include <linux/kernel.h> 41 #include <linux/mutex.h> 42 #include <linux/bpf.h> 43 #include <net/xdp.h> 44 #include <linux/qed/qede_rdma.h> 45 #include <linux/io.h> 46 #ifdef CONFIG_RFS_ACCEL 47 #include <linux/cpu_rmap.h> 48 #endif 49 #include <linux/qed/common_hsi.h> 50 #include <linux/qed/eth_common.h> 51 #include <linux/qed/qed_if.h> 52 #include <linux/qed/qed_chain.h> 53 #include <linux/qed/qed_eth_if.h> 54 55 #include <net/pkt_cls.h> 56 #include <net/tc_act/tc_gact.h> 57 58 #define QEDE_MAJOR_VERSION 8 59 #define QEDE_MINOR_VERSION 37 60 #define QEDE_REVISION_VERSION 0 61 #define QEDE_ENGINEERING_VERSION 20 62 #define DRV_MODULE_VERSION __stringify(QEDE_MAJOR_VERSION) "." \ 63 __stringify(QEDE_MINOR_VERSION) "." \ 64 __stringify(QEDE_REVISION_VERSION) "." \ 65 __stringify(QEDE_ENGINEERING_VERSION) 66 67 #define DRV_MODULE_SYM qede 68 69 struct qede_stats_common { 70 u64 no_buff_discards; 71 u64 packet_too_big_discard; 72 u64 ttl0_discard; 73 u64 rx_ucast_bytes; 74 u64 rx_mcast_bytes; 75 u64 rx_bcast_bytes; 76 u64 rx_ucast_pkts; 77 u64 rx_mcast_pkts; 78 u64 rx_bcast_pkts; 79 u64 mftag_filter_discards; 80 u64 mac_filter_discards; 81 u64 gft_filter_drop; 82 u64 tx_ucast_bytes; 83 u64 tx_mcast_bytes; 84 u64 tx_bcast_bytes; 85 u64 tx_ucast_pkts; 86 u64 tx_mcast_pkts; 87 u64 tx_bcast_pkts; 88 u64 tx_err_drop_pkts; 89 u64 coalesced_pkts; 90 u64 coalesced_events; 91 u64 coalesced_aborts_num; 92 u64 non_coalesced_pkts; 93 u64 coalesced_bytes; 94 u64 link_change_count; 95 u64 ptp_skip_txts; 96 97 /* port */ 98 u64 rx_64_byte_packets; 99 u64 rx_65_to_127_byte_packets; 100 u64 rx_128_to_255_byte_packets; 101 u64 rx_256_to_511_byte_packets; 102 u64 rx_512_to_1023_byte_packets; 103 u64 rx_1024_to_1518_byte_packets; 104 u64 rx_crc_errors; 105 u64 rx_mac_crtl_frames; 106 u64 rx_pause_frames; 107 u64 rx_pfc_frames; 108 u64 rx_align_errors; 109 u64 rx_carrier_errors; 110 u64 rx_oversize_packets; 111 u64 rx_jabbers; 112 u64 rx_undersize_packets; 113 u64 rx_fragments; 114 u64 tx_64_byte_packets; 115 u64 tx_65_to_127_byte_packets; 116 u64 tx_128_to_255_byte_packets; 117 u64 tx_256_to_511_byte_packets; 118 u64 tx_512_to_1023_byte_packets; 119 u64 tx_1024_to_1518_byte_packets; 120 u64 tx_pause_frames; 121 u64 tx_pfc_frames; 122 u64 brb_truncates; 123 u64 brb_discards; 124 u64 tx_mac_ctrl_frames; 125 }; 126 127 struct qede_stats_bb { 128 u64 rx_1519_to_1522_byte_packets; 129 u64 rx_1519_to_2047_byte_packets; 130 u64 rx_2048_to_4095_byte_packets; 131 u64 rx_4096_to_9216_byte_packets; 132 u64 rx_9217_to_16383_byte_packets; 133 u64 tx_1519_to_2047_byte_packets; 134 u64 tx_2048_to_4095_byte_packets; 135 u64 tx_4096_to_9216_byte_packets; 136 u64 tx_9217_to_16383_byte_packets; 137 u64 tx_lpi_entry_count; 138 u64 tx_total_collisions; 139 }; 140 141 struct qede_stats_ah { 142 u64 rx_1519_to_max_byte_packets; 143 u64 tx_1519_to_max_byte_packets; 144 }; 145 146 struct qede_stats { 147 struct qede_stats_common common; 148 149 union { 150 struct qede_stats_bb bb; 151 struct qede_stats_ah ah; 152 }; 153 }; 154 155 struct qede_vlan { 156 struct list_head list; 157 u16 vid; 158 bool configured; 159 }; 160 161 struct qede_rdma_dev { 162 struct qedr_dev *qedr_dev; 163 struct list_head entry; 164 struct list_head rdma_event_list; 165 struct workqueue_struct *rdma_wq; 166 struct kref refcnt; 167 struct completion event_comp; 168 bool exp_recovery; 169 }; 170 171 struct qede_ptp; 172 173 #define QEDE_RFS_MAX_FLTR 256 174 175 enum qede_flags_bit { 176 QEDE_FLAGS_IS_VF = 0, 177 QEDE_FLAGS_LINK_REQUESTED, 178 QEDE_FLAGS_PTP_TX_IN_PRORGESS, 179 QEDE_FLAGS_TX_TIMESTAMPING_EN 180 }; 181 182 #define QEDE_DUMP_MAX_ARGS 4 183 enum qede_dump_cmd { 184 QEDE_DUMP_CMD_NONE = 0, 185 QEDE_DUMP_CMD_NVM_CFG, 186 QEDE_DUMP_CMD_GRCDUMP, 187 QEDE_DUMP_CMD_MAX 188 }; 189 190 struct qede_dump_info { 191 enum qede_dump_cmd cmd; 192 u8 num_args; 193 u32 args[QEDE_DUMP_MAX_ARGS]; 194 }; 195 196 struct qede_dev { 197 struct qed_dev *cdev; 198 struct net_device *ndev; 199 struct pci_dev *pdev; 200 201 u32 dp_module; 202 u8 dp_level; 203 204 unsigned long flags; 205 #define IS_VF(edev) (test_bit(QEDE_FLAGS_IS_VF, &(edev)->flags)) 206 207 const struct qed_eth_ops *ops; 208 struct qede_ptp *ptp; 209 u64 ptp_skip_txts; 210 211 struct qed_dev_eth_info dev_info; 212 #define QEDE_MAX_RSS_CNT(edev) ((edev)->dev_info.num_queues) 213 #define QEDE_MAX_TSS_CNT(edev) ((edev)->dev_info.num_queues) 214 #define QEDE_IS_BB(edev) \ 215 ((edev)->dev_info.common.dev_type == QED_DEV_TYPE_BB) 216 #define QEDE_IS_AH(edev) \ 217 ((edev)->dev_info.common.dev_type == QED_DEV_TYPE_AH) 218 219 struct qede_fastpath *fp_array; 220 u8 req_num_tx; 221 u8 fp_num_tx; 222 u8 req_num_rx; 223 u8 fp_num_rx; 224 u16 req_queues; 225 u16 num_queues; 226 #define QEDE_QUEUE_CNT(edev) ((edev)->num_queues) 227 #define QEDE_RSS_COUNT(edev) ((edev)->num_queues - (edev)->fp_num_tx) 228 #define QEDE_RX_QUEUE_IDX(edev, i) (i) 229 #define QEDE_TSS_COUNT(edev) ((edev)->num_queues - (edev)->fp_num_rx) 230 231 struct qed_int_info int_info; 232 233 /* Smaller private varaiant of the RTNL lock */ 234 struct mutex qede_lock; 235 u32 state; /* Protected by qede_lock */ 236 u16 rx_buf_size; 237 u32 rx_copybreak; 238 239 /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */ 240 #define ETH_OVERHEAD (ETH_HLEN + 8 + 8) 241 /* Max supported alignment is 256 (8 shift) 242 * minimal alignment shift 6 is optimal for 57xxx HW performance 243 */ 244 #define QEDE_RX_ALIGN_SHIFT max(6, min(8, L1_CACHE_SHIFT)) 245 /* We assume skb_build() uses sizeof(struct skb_shared_info) bytes 246 * at the end of skb->data, to avoid wasting a full cache line. 247 * This reduces memory use (skb->truesize). 248 */ 249 #define QEDE_FW_RX_ALIGN_END \ 250 max_t(u64, 1UL << QEDE_RX_ALIGN_SHIFT, \ 251 SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) 252 253 struct qede_stats stats; 254 #define QEDE_RSS_INDIR_INITED BIT(0) 255 #define QEDE_RSS_KEY_INITED BIT(1) 256 #define QEDE_RSS_CAPS_INITED BIT(2) 257 u32 rss_params_inited; /* bit-field to track initialized rss params */ 258 u16 rss_ind_table[128]; 259 u32 rss_key[10]; 260 u8 rss_caps; 261 262 u16 q_num_rx_buffers; /* Must be a power of two */ 263 u16 q_num_tx_buffers; /* Must be a power of two */ 264 265 bool gro_disable; 266 struct list_head vlan_list; 267 u16 configured_vlans; 268 u16 non_configured_vlans; 269 bool accept_any_vlan; 270 struct delayed_work sp_task; 271 unsigned long sp_flags; 272 u16 vxlan_dst_port; 273 u16 geneve_dst_port; 274 275 struct qede_arfs *arfs; 276 bool wol_enabled; 277 278 struct qede_rdma_dev rdma_info; 279 280 struct bpf_prog *xdp_prog; 281 struct qede_dump_info dump_info; 282 }; 283 284 enum QEDE_STATE { 285 QEDE_STATE_CLOSED, 286 QEDE_STATE_OPEN, 287 QEDE_STATE_RECOVERY, 288 }; 289 290 #define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo)) 291 292 #define MAX_NUM_TC 8 293 #define MAX_NUM_PRI 8 294 295 /* The driver supports the new build_skb() API: 296 * RX ring buffer contains pointer to kmalloc() data only, 297 * skb are built only after the frame was DMA-ed. 298 */ 299 struct sw_rx_data { 300 struct page *data; 301 dma_addr_t mapping; 302 unsigned int page_offset; 303 }; 304 305 enum qede_agg_state { 306 QEDE_AGG_STATE_NONE = 0, 307 QEDE_AGG_STATE_START = 1, 308 QEDE_AGG_STATE_ERROR = 2 309 }; 310 311 struct qede_agg_info { 312 /* rx_buf is a data buffer that can be placed / consumed from rx bd 313 * chain. It has two purposes: We will preallocate the data buffer 314 * for each aggregation when we open the interface and will place this 315 * buffer on the rx-bd-ring when we receive TPA_START. We don't want 316 * to be in a state where allocation fails, as we can't reuse the 317 * consumer buffer in the rx-chain since FW may still be writing to it 318 * (since header needs to be modified for TPA). 319 * The second purpose is to keep a pointer to the bd buffer during 320 * aggregation. 321 */ 322 struct sw_rx_data buffer; 323 struct sk_buff *skb; 324 325 /* We need some structs from the start cookie until termination */ 326 u16 vlan_tag; 327 328 bool tpa_start_fail; 329 u8 state; 330 u8 frag_id; 331 332 u8 tunnel_type; 333 }; 334 335 struct qede_rx_queue { 336 __le16 *hw_cons_ptr; 337 void __iomem *hw_rxq_prod_addr; 338 339 /* Required for the allocation of replacement buffers */ 340 struct device *dev; 341 342 struct bpf_prog *xdp_prog; 343 344 u16 sw_rx_cons; 345 u16 sw_rx_prod; 346 347 u16 filled_buffers; 348 u8 data_direction; 349 u8 rxq_id; 350 351 /* Used once per each NAPI run */ 352 u16 num_rx_buffers; 353 354 u16 rx_headroom; 355 356 u32 rx_buf_size; 357 u32 rx_buf_seg_size; 358 359 struct sw_rx_data *sw_rx_ring; 360 struct qed_chain rx_bd_ring; 361 struct qed_chain rx_comp_ring ____cacheline_aligned; 362 363 /* GRO */ 364 struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM]; 365 366 /* Used once per each NAPI run */ 367 u64 rcv_pkts; 368 369 u64 rx_hw_errors; 370 u64 rx_alloc_errors; 371 u64 rx_ip_frags; 372 373 u64 xdp_no_pass; 374 375 void *handle; 376 struct xdp_rxq_info xdp_rxq; 377 }; 378 379 union db_prod { 380 struct eth_db_data data; 381 u32 raw; 382 }; 383 384 struct sw_tx_bd { 385 struct sk_buff *skb; 386 u8 flags; 387 /* Set on the first BD descriptor when there is a split BD */ 388 #define QEDE_TSO_SPLIT_BD BIT(0) 389 }; 390 391 struct sw_tx_xdp { 392 struct page *page; 393 dma_addr_t mapping; 394 }; 395 396 struct qede_tx_queue { 397 u8 is_xdp; 398 bool is_legacy; 399 u16 sw_tx_cons; 400 u16 sw_tx_prod; 401 u16 num_tx_buffers; /* Slowpath only */ 402 403 u64 xmit_pkts; 404 u64 stopped_cnt; 405 u64 tx_mem_alloc_err; 406 407 __le16 *hw_cons_ptr; 408 409 /* Needed for the mapping of packets */ 410 struct device *dev; 411 412 void __iomem *doorbell_addr; 413 union db_prod tx_db; 414 int index; /* Slowpath only */ 415 #define QEDE_TXQ_XDP_TO_IDX(edev, txq) ((txq)->index - \ 416 QEDE_MAX_TSS_CNT(edev)) 417 #define QEDE_TXQ_IDX_TO_XDP(edev, idx) ((idx) + QEDE_MAX_TSS_CNT(edev)) 418 #define QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx) ((edev)->fp_num_rx + \ 419 ((idx) % QEDE_TSS_COUNT(edev))) 420 #define QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx) ((idx) / QEDE_TSS_COUNT(edev)) 421 #define QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq) ((QEDE_TSS_COUNT(edev) * \ 422 (txq)->cos) + (txq)->index) 423 #define QEDE_NDEV_TXQ_ID_TO_TXQ(edev, idx) \ 424 (&((edev)->fp_array[QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)].txq \ 425 [QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)])) 426 #define QEDE_FP_TC0_TXQ(fp) (&((fp)->txq[0])) 427 428 /* Regular Tx requires skb + metadata for release purpose, 429 * while XDP requires the pages and the mapped address. 430 */ 431 union { 432 struct sw_tx_bd *skbs; 433 struct sw_tx_xdp *xdp; 434 } sw_tx_ring; 435 436 struct qed_chain tx_pbl; 437 438 /* Slowpath; Should be kept in end [unless missing padding] */ 439 void *handle; 440 u16 cos; 441 u16 ndev_txq_id; 442 }; 443 444 #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr.hi), \ 445 le32_to_cpu((bd)->addr.lo)) 446 #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len) \ 447 do { \ 448 (bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr)); \ 449 (bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr)); \ 450 (bd)->nbytes = cpu_to_le16(len); \ 451 } while (0) 452 #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes)) 453 454 struct qede_fastpath { 455 struct qede_dev *edev; 456 #define QEDE_FASTPATH_TX BIT(0) 457 #define QEDE_FASTPATH_RX BIT(1) 458 #define QEDE_FASTPATH_XDP BIT(2) 459 #define QEDE_FASTPATH_COMBINED (QEDE_FASTPATH_TX | QEDE_FASTPATH_RX) 460 u8 type; 461 u8 id; 462 u8 xdp_xmit; 463 struct napi_struct napi; 464 struct qed_sb_info *sb_info; 465 struct qede_rx_queue *rxq; 466 struct qede_tx_queue *txq; 467 struct qede_tx_queue *xdp_tx; 468 469 #define VEC_NAME_SIZE (sizeof_field(struct net_device, name) + 8) 470 char name[VEC_NAME_SIZE]; 471 }; 472 473 /* Debug print definitions */ 474 #define DP_NAME(edev) ((edev)->ndev->name) 475 476 #define XMIT_PLAIN 0 477 #define XMIT_L4_CSUM BIT(0) 478 #define XMIT_LSO BIT(1) 479 #define XMIT_ENC BIT(2) 480 #define XMIT_ENC_GSO_L4_CSUM BIT(3) 481 482 #define QEDE_CSUM_ERROR BIT(0) 483 #define QEDE_CSUM_UNNECESSARY BIT(1) 484 #define QEDE_TUNN_CSUM_UNNECESSARY BIT(2) 485 486 #define QEDE_SP_RECOVERY 0 487 #define QEDE_SP_RX_MODE 1 488 489 #ifdef CONFIG_RFS_ACCEL 490 int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, 491 u16 rxq_index, u32 flow_id); 492 #define QEDE_SP_ARFS_CONFIG 4 493 #define QEDE_SP_TASK_POLL_DELAY (5 * HZ) 494 #endif 495 496 void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr); 497 void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev); 498 void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc); 499 void qede_free_arfs(struct qede_dev *edev); 500 int qede_alloc_arfs(struct qede_dev *edev); 501 int qede_add_cls_rule(struct qede_dev *edev, struct ethtool_rxnfc *info); 502 int qede_delete_flow_filter(struct qede_dev *edev, u64 cookie); 503 int qede_get_cls_rule_entry(struct qede_dev *edev, struct ethtool_rxnfc *cmd); 504 int qede_get_cls_rule_all(struct qede_dev *edev, struct ethtool_rxnfc *info, 505 u32 *rule_locs); 506 int qede_get_arfs_filter_count(struct qede_dev *edev); 507 508 struct qede_reload_args { 509 void (*func)(struct qede_dev *edev, struct qede_reload_args *args); 510 union { 511 netdev_features_t features; 512 struct bpf_prog *new_prog; 513 u16 mtu; 514 } u; 515 }; 516 517 /* Datapath functions definition */ 518 netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev); 519 u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, 520 struct net_device *sb_dev); 521 netdev_features_t qede_features_check(struct sk_buff *skb, 522 struct net_device *dev, 523 netdev_features_t features); 524 void qede_tx_log_print(struct qede_dev *edev, struct qede_fastpath *fp); 525 int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy); 526 int qede_free_tx_pkt(struct qede_dev *edev, 527 struct qede_tx_queue *txq, int *len); 528 int qede_poll(struct napi_struct *napi, int budget); 529 irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie); 530 531 /* Filtering function definitions */ 532 void qede_force_mac(void *dev, u8 *mac, bool forced); 533 void qede_udp_ports_update(void *dev, u16 vxlan_port, u16 geneve_port); 534 int qede_set_mac_addr(struct net_device *ndev, void *p); 535 536 int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid); 537 int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid); 538 void qede_vlan_mark_nonconfigured(struct qede_dev *edev); 539 int qede_configure_vlan_filters(struct qede_dev *edev); 540 541 netdev_features_t qede_fix_features(struct net_device *dev, 542 netdev_features_t features); 543 int qede_set_features(struct net_device *dev, netdev_features_t features); 544 void qede_set_rx_mode(struct net_device *ndev); 545 void qede_config_rx_mode(struct net_device *ndev); 546 void qede_fill_rss_params(struct qede_dev *edev, 547 struct qed_update_vport_rss_params *rss, u8 *update); 548 549 void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti); 550 void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti); 551 552 int qede_xdp(struct net_device *dev, struct netdev_bpf *xdp); 553 554 #ifdef CONFIG_DCB 555 void qede_set_dcbnl_ops(struct net_device *ndev); 556 #endif 557 558 void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level); 559 void qede_set_ethtool_ops(struct net_device *netdev); 560 void qede_reload(struct qede_dev *edev, 561 struct qede_reload_args *args, bool is_locked); 562 int qede_change_mtu(struct net_device *dev, int new_mtu); 563 void qede_fill_by_demand_stats(struct qede_dev *edev); 564 void __qede_lock(struct qede_dev *edev); 565 void __qede_unlock(struct qede_dev *edev); 566 bool qede_has_rx_work(struct qede_rx_queue *rxq); 567 int qede_txq_has_work(struct qede_tx_queue *txq); 568 void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count); 569 void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq); 570 int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto, 571 struct flow_cls_offload *f); 572 573 #define RX_RING_SIZE_POW 13 574 #define RX_RING_SIZE ((u16)BIT(RX_RING_SIZE_POW)) 575 #define NUM_RX_BDS_MAX (RX_RING_SIZE - 1) 576 #define NUM_RX_BDS_MIN 128 577 #define NUM_RX_BDS_DEF ((u16)BIT(10) - 1) 578 579 #define TX_RING_SIZE_POW 13 580 #define TX_RING_SIZE ((u16)BIT(TX_RING_SIZE_POW)) 581 #define NUM_TX_BDS_MAX (TX_RING_SIZE - 1) 582 #define NUM_TX_BDS_MIN 128 583 #define NUM_TX_BDS_DEF NUM_TX_BDS_MAX 584 585 #define QEDE_MIN_PKT_LEN 64 586 #define QEDE_RX_HDR_SIZE 256 587 #define QEDE_MAX_JUMBO_PACKET_SIZE 9600 588 #define for_each_queue(i) for (i = 0; i < edev->num_queues; i++) 589 #define for_each_cos_in_txq(edev, var) \ 590 for ((var) = 0; (var) < (edev)->dev_info.num_tc; (var)++) 591 592 #endif /* _QEDE_H_ */ 593