drivers/net/ethernet/qlogic/qede/qede.h

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   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  (FIELD_SIZEOF(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_ */
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root/drivers/net/ethernet/qlogic/qede/qede.h

INCLUDED FROM
