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; 281 282 unsigned long err_flags; 283 #define QEDE_ERR_IS_HANDLED 31 284 #define QEDE_ERR_ATTN_CLR_EN 0 285 #define QEDE_ERR_GET_DBG_INFO 1 286 #define QEDE_ERR_IS_RECOVERABLE 2 287 #define QEDE_ERR_WARN 3 288 289 struct qede_dump_info dump_info; 290 }; 291 292 enum QEDE_STATE { 293 QEDE_STATE_CLOSED, 294 QEDE_STATE_OPEN, 295 QEDE_STATE_RECOVERY, 296 }; 297 298 #define HILO_U64(hi, lo) ((((u64)(hi)) << 32) + (lo)) 299 300 #define MAX_NUM_TC 8 301 #define MAX_NUM_PRI 8 302 303 /* The driver supports the new build_skb() API: 304 * RX ring buffer contains pointer to kmalloc() data only, 305 * skb are built only after the frame was DMA-ed. 306 */ 307 struct sw_rx_data { 308 struct page *data; 309 dma_addr_t mapping; 310 unsigned int page_offset; 311 }; 312 313 enum qede_agg_state { 314 QEDE_AGG_STATE_NONE = 0, 315 QEDE_AGG_STATE_START = 1, 316 QEDE_AGG_STATE_ERROR = 2 317 }; 318 319 struct qede_agg_info { 320 /* rx_buf is a data buffer that can be placed / consumed from rx bd 321 * chain. It has two purposes: We will preallocate the data buffer 322 * for each aggregation when we open the interface and will place this 323 * buffer on the rx-bd-ring when we receive TPA_START. We don't want 324 * to be in a state where allocation fails, as we can't reuse the 325 * consumer buffer in the rx-chain since FW may still be writing to it 326 * (since header needs to be modified for TPA). 327 * The second purpose is to keep a pointer to the bd buffer during 328 * aggregation. 329 */ 330 struct sw_rx_data buffer; 331 struct sk_buff *skb; 332 333 /* We need some structs from the start cookie until termination */ 334 u16 vlan_tag; 335 336 bool tpa_start_fail; 337 u8 state; 338 u8 frag_id; 339 340 u8 tunnel_type; 341 }; 342 343 struct qede_rx_queue { 344 __le16 *hw_cons_ptr; 345 void __iomem *hw_rxq_prod_addr; 346 347 /* Required for the allocation of replacement buffers */ 348 struct device *dev; 349 350 struct bpf_prog *xdp_prog; 351 352 u16 sw_rx_cons; 353 u16 sw_rx_prod; 354 355 u16 filled_buffers; 356 u8 data_direction; 357 u8 rxq_id; 358 359 /* Used once per each NAPI run */ 360 u16 num_rx_buffers; 361 362 u16 rx_headroom; 363 364 u32 rx_buf_size; 365 u32 rx_buf_seg_size; 366 367 struct sw_rx_data *sw_rx_ring; 368 struct qed_chain rx_bd_ring; 369 struct qed_chain rx_comp_ring ____cacheline_aligned; 370 371 /* GRO */ 372 struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM]; 373 374 /* Used once per each NAPI run */ 375 u64 rcv_pkts; 376 377 u64 rx_hw_errors; 378 u64 rx_alloc_errors; 379 u64 rx_ip_frags; 380 381 u64 xdp_no_pass; 382 383 void *handle; 384 struct xdp_rxq_info xdp_rxq; 385 }; 386 387 union db_prod { 388 struct eth_db_data data; 389 u32 raw; 390 }; 391 392 struct sw_tx_bd { 393 struct sk_buff *skb; 394 u8 flags; 395 /* Set on the first BD descriptor when there is a split BD */ 396 #define QEDE_TSO_SPLIT_BD BIT(0) 397 }; 398 399 struct sw_tx_xdp { 400 struct page *page; 401 dma_addr_t mapping; 402 }; 403 404 struct qede_tx_queue { 405 u8 is_xdp; 406 bool is_legacy; 407 u16 sw_tx_cons; 408 u16 sw_tx_prod; 409 u16 num_tx_buffers; /* Slowpath only */ 410 411 u64 xmit_pkts; 412 u64 stopped_cnt; 413 u64 tx_mem_alloc_err; 414 415 __le16 *hw_cons_ptr; 416 417 /* Needed for the mapping of packets */ 418 struct device *dev; 419 420 void __iomem *doorbell_addr; 421 union db_prod tx_db; 422 int index; /* Slowpath only */ 423 #define QEDE_TXQ_XDP_TO_IDX(edev, txq) ((txq)->index - \ 424 QEDE_MAX_TSS_CNT(edev)) 425 #define QEDE_TXQ_IDX_TO_XDP(edev, idx) ((idx) + QEDE_MAX_TSS_CNT(edev)) 426 #define QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx) ((edev)->fp_num_rx + \ 427 ((idx) % QEDE_TSS_COUNT(edev))) 428 #define QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx) ((idx) / QEDE_TSS_COUNT(edev)) 429 #define QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq) ((QEDE_TSS_COUNT(edev) * \ 430 (txq)->cos) + (txq)->index) 431 #define QEDE_NDEV_TXQ_ID_TO_TXQ(edev, idx) \ 432 (&((edev)->fp_array[QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)].txq \ 433 [QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)])) 434 #define QEDE_FP_TC0_TXQ(fp) (&((fp)->txq[0])) 435 436 /* Regular Tx requires skb + metadata for release purpose, 437 * while XDP requires the pages and the mapped address. 438 */ 439 union { 440 struct sw_tx_bd *skbs; 441 struct sw_tx_xdp *xdp; 442 } sw_tx_ring; 443 444 struct qed_chain tx_pbl; 445 446 /* Slowpath; Should be kept in end [unless missing padding] */ 447 void *handle; 448 u16 cos; 449 u16 ndev_txq_id; 450 }; 451 452 #define BD_UNMAP_ADDR(bd) HILO_U64(le32_to_cpu((bd)->addr.hi), \ 453 le32_to_cpu((bd)->addr.lo)) 454 #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len) \ 455 do { \ 456 (bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr)); \ 457 (bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr)); \ 458 (bd)->nbytes = cpu_to_le16(len); \ 459 } while (0) 460 #define BD_UNMAP_LEN(bd) (le16_to_cpu((bd)->nbytes)) 461 462 struct qede_fastpath { 463 struct qede_dev *edev; 464 #define QEDE_FASTPATH_TX BIT(0) 465 #define QEDE_FASTPATH_RX BIT(1) 466 #define QEDE_FASTPATH_XDP BIT(2) 467 #define QEDE_FASTPATH_COMBINED (QEDE_FASTPATH_TX | QEDE_FASTPATH_RX) 468 u8 type; 469 u8 id; 470 u8 xdp_xmit; 471 struct napi_struct napi; 472 struct qed_sb_info *sb_info; 473 struct qede_rx_queue *rxq; 474 struct qede_tx_queue *txq; 475 struct qede_tx_queue *xdp_tx; 476 477 #define VEC_NAME_SIZE (sizeof_field(struct net_device, name) + 8) 478 char name[VEC_NAME_SIZE]; 479 }; 480 481 /* Debug print definitions */ 482 #define DP_NAME(edev) ((edev)->ndev->name) 483 484 #define XMIT_PLAIN 0 485 #define XMIT_L4_CSUM BIT(0) 486 #define XMIT_LSO BIT(1) 487 #define XMIT_ENC BIT(2) 488 #define XMIT_ENC_GSO_L4_CSUM BIT(3) 489 490 #define QEDE_CSUM_ERROR BIT(0) 491 #define QEDE_CSUM_UNNECESSARY BIT(1) 492 #define QEDE_TUNN_CSUM_UNNECESSARY BIT(2) 493 494 #define QEDE_SP_RECOVERY 0 495 #define QEDE_SP_RX_MODE 1 496 #define QEDE_SP_RSVD1 2 497 #define QEDE_SP_RSVD2 3 498 #define QEDE_SP_HW_ERR 4 499 #define QEDE_SP_ARFS_CONFIG 5 500 #define QEDE_SP_AER 7 501 502 #ifdef CONFIG_RFS_ACCEL 503 int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, 504 u16 rxq_index, u32 flow_id); 505 #define QEDE_SP_TASK_POLL_DELAY (5 * HZ) 506 #endif 507 508 void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr); 509 void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev); 510 void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc); 511 void qede_free_arfs(struct qede_dev *edev); 512 int qede_alloc_arfs(struct qede_dev *edev); 513 int qede_add_cls_rule(struct qede_dev *edev, struct ethtool_rxnfc *info); 514 int qede_delete_flow_filter(struct qede_dev *edev, u64 cookie); 515 int qede_get_cls_rule_entry(struct qede_dev *edev, struct ethtool_rxnfc *cmd); 516 int qede_get_cls_rule_all(struct qede_dev *edev, struct ethtool_rxnfc *info, 517 u32 *rule_locs); 518 int qede_get_arfs_filter_count(struct qede_dev *edev); 519 520 struct qede_reload_args { 521 void (*func)(struct qede_dev *edev, struct qede_reload_args *args); 522 union { 523 netdev_features_t features; 524 struct bpf_prog *new_prog; 525 u16 mtu; 526 } u; 527 }; 528 529 /* Datapath functions definition */ 530 netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev); 531 u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb, 532 struct net_device *sb_dev); 533 netdev_features_t qede_features_check(struct sk_buff *skb, 534 struct net_device *dev, 535 netdev_features_t features); 536 int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy); 537 int qede_free_tx_pkt(struct qede_dev *edev, 538 struct qede_tx_queue *txq, int *len); 539 int qede_poll(struct napi_struct *napi, int budget); 540 irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie); 541 542 /* Filtering function definitions */ 543 void qede_force_mac(void *dev, u8 *mac, bool forced); 544 void qede_udp_ports_update(void *dev, u16 vxlan_port, u16 geneve_port); 545 int qede_set_mac_addr(struct net_device *ndev, void *p); 546 547 int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid); 548 int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid); 549 void qede_vlan_mark_nonconfigured(struct qede_dev *edev); 550 int qede_configure_vlan_filters(struct qede_dev *edev); 551 552 netdev_features_t qede_fix_features(struct net_device *dev, 553 netdev_features_t features); 554 int qede_set_features(struct net_device *dev, netdev_features_t features); 555 void qede_set_rx_mode(struct net_device *ndev); 556 void qede_config_rx_mode(struct net_device *ndev); 557 void qede_fill_rss_params(struct qede_dev *edev, 558 struct qed_update_vport_rss_params *rss, u8 *update); 559 560 void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti); 561 void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti); 562 563 int qede_xdp(struct net_device *dev, struct netdev_bpf *xdp); 564 565 #ifdef CONFIG_DCB 566 void qede_set_dcbnl_ops(struct net_device *ndev); 567 #endif 568 569 void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level); 570 void qede_set_ethtool_ops(struct net_device *netdev); 571 void qede_reload(struct qede_dev *edev, 572 struct qede_reload_args *args, bool is_locked); 573 int qede_change_mtu(struct net_device *dev, int new_mtu); 574 void qede_fill_by_demand_stats(struct qede_dev *edev); 575 void __qede_lock(struct qede_dev *edev); 576 void __qede_unlock(struct qede_dev *edev); 577 bool qede_has_rx_work(struct qede_rx_queue *rxq); 578 int qede_txq_has_work(struct qede_tx_queue *txq); 579 void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count); 580 void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq); 581 int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto, 582 struct flow_cls_offload *f); 583 584 #define RX_RING_SIZE_POW 13 585 #define RX_RING_SIZE ((u16)BIT(RX_RING_SIZE_POW)) 586 #define NUM_RX_BDS_MAX (RX_RING_SIZE - 1) 587 #define NUM_RX_BDS_MIN 128 588 #define NUM_RX_BDS_KDUMP_MIN 63 589 #define NUM_RX_BDS_DEF ((u16)BIT(10) - 1) 590 591 #define TX_RING_SIZE_POW 13 592 #define TX_RING_SIZE ((u16)BIT(TX_RING_SIZE_POW)) 593 #define NUM_TX_BDS_MAX (TX_RING_SIZE - 1) 594 #define NUM_TX_BDS_MIN 128 595 #define NUM_TX_BDS_KDUMP_MIN 63 596 #define NUM_TX_BDS_DEF NUM_TX_BDS_MAX 597 598 #define QEDE_MIN_PKT_LEN 64 599 #define QEDE_RX_HDR_SIZE 256 600 #define QEDE_MAX_JUMBO_PACKET_SIZE 9600 601 #define for_each_queue(i) for (i = 0; i < edev->num_queues; i++) 602 #define for_each_cos_in_txq(edev, var) \ 603 for ((var) = 0; (var) < (edev)->dev_info.num_tc; (var)++) 604 605 #endif /* _QEDE_H_ */ 606