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

   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         bool exp_recovery;
 167 };
 168
 169 struct qede_ptp;
 170
 171 #define QEDE_RFS_MAX_FLTR       256
 172
 173 enum qede_flags_bit {
 174         QEDE_FLAGS_IS_VF = 0,
 175         QEDE_FLAGS_LINK_REQUESTED,
 176         QEDE_FLAGS_PTP_TX_IN_PRORGESS,
 177         QEDE_FLAGS_TX_TIMESTAMPING_EN
 178 };
 179
 180 #define QEDE_DUMP_MAX_ARGS 4
 181 enum qede_dump_cmd {
 182         QEDE_DUMP_CMD_NONE = 0,
 183         QEDE_DUMP_CMD_NVM_CFG,
 184         QEDE_DUMP_CMD_GRCDUMP,
 185         QEDE_DUMP_CMD_MAX
 186 };
 187
 188 struct qede_dump_info {
 189         enum qede_dump_cmd cmd;
 190         u8 num_args;
 191         u32 args[QEDE_DUMP_MAX_ARGS];
 192 };
 193
 194 struct qede_dev {
 195         struct qed_dev                  *cdev;
 196         struct net_device               *ndev;
 197         struct pci_dev                  *pdev;
 198
 199         u32                             dp_module;
 200         u8                              dp_level;
 201
 202         unsigned long flags;
 203 #define IS_VF(edev)     (test_bit(QEDE_FLAGS_IS_VF, &(edev)->flags))
 204
 205         const struct qed_eth_ops        *ops;
 206         struct qede_ptp                 *ptp;
 207         u64                             ptp_skip_txts;
 208
 209         struct qed_dev_eth_info dev_info;
 210 #define QEDE_MAX_RSS_CNT(edev)  ((edev)->dev_info.num_queues)
 211 #define QEDE_MAX_TSS_CNT(edev)  ((edev)->dev_info.num_queues)
 212 #define QEDE_IS_BB(edev) \
 213         ((edev)->dev_info.common.dev_type == QED_DEV_TYPE_BB)
 214 #define QEDE_IS_AH(edev) \
 215         ((edev)->dev_info.common.dev_type == QED_DEV_TYPE_AH)
 216
 217         struct qede_fastpath            *fp_array;
 218         u8                              req_num_tx;
 219         u8                              fp_num_tx;
 220         u8                              req_num_rx;
 221         u8                              fp_num_rx;
 222         u16                             req_queues;
 223         u16                             num_queues;
 224 #define QEDE_QUEUE_CNT(edev)    ((edev)->num_queues)
 225 #define QEDE_RSS_COUNT(edev)    ((edev)->num_queues - (edev)->fp_num_tx)
 226 #define QEDE_RX_QUEUE_IDX(edev, i)      (i)
 227 #define QEDE_TSS_COUNT(edev)    ((edev)->num_queues - (edev)->fp_num_rx)
 228
 229         struct qed_int_info             int_info;
 230
 231         /* Smaller private varaiant of the RTNL lock */
 232         struct mutex                    qede_lock;
 233         u32                             state; /* Protected by qede_lock */
 234         u16                             rx_buf_size;
 235         u32                             rx_copybreak;
 236
 237         /* L2 header size + 2*VLANs (8 bytes) + LLC SNAP (8 bytes) */
 238 #define ETH_OVERHEAD                    (ETH_HLEN + 8 + 8)
 239         /* Max supported alignment is 256 (8 shift)
 240          * minimal alignment shift 6 is optimal for 57xxx HW performance
 241          */
 242 #define QEDE_RX_ALIGN_SHIFT             max(6, min(8, L1_CACHE_SHIFT))
 243         /* We assume skb_build() uses sizeof(struct skb_shared_info) bytes
 244          * at the end of skb->data, to avoid wasting a full cache line.
 245          * This reduces memory use (skb->truesize).
 246          */
 247 #define QEDE_FW_RX_ALIGN_END                                    \
 248         max_t(u64, 1UL << QEDE_RX_ALIGN_SHIFT,                  \
 249               SKB_DATA_ALIGN(sizeof(struct skb_shared_info)))
 250
 251         struct qede_stats               stats;
 252 #define QEDE_RSS_INDIR_INITED   BIT(0)
 253 #define QEDE_RSS_KEY_INITED     BIT(1)
 254 #define QEDE_RSS_CAPS_INITED    BIT(2)
 255         u32 rss_params_inited; /* bit-field to track initialized rss params */
 256         u16 rss_ind_table[128];
 257         u32 rss_key[10];
 258         u8 rss_caps;
 259
 260         u16                     q_num_rx_buffers; /* Must be a power of two */
 261         u16                     q_num_tx_buffers; /* Must be a power of two */
 262
 263         bool gro_disable;
 264         struct list_head vlan_list;
 265         u16 configured_vlans;
 266         u16 non_configured_vlans;
 267         bool accept_any_vlan;
 268         struct delayed_work             sp_task;
 269         unsigned long                   sp_flags;
 270         u16                             vxlan_dst_port;
 271         u16                             geneve_dst_port;
 272
 273         struct qede_arfs                *arfs;
 274         bool                            wol_enabled;
 275
 276         struct qede_rdma_dev            rdma_info;
 277
 278         struct bpf_prog *xdp_prog;
 279         struct qede_dump_info           dump_info;
 280 };
 281
 282 enum QEDE_STATE {
 283         QEDE_STATE_CLOSED,
 284         QEDE_STATE_OPEN,
 285         QEDE_STATE_RECOVERY,
 286 };
 287
 288 #define HILO_U64(hi, lo)                ((((u64)(hi)) << 32) + (lo))
 289
 290 #define MAX_NUM_TC      8
 291 #define MAX_NUM_PRI     8
 292
 293 /* The driver supports the new build_skb() API:
 294  * RX ring buffer contains pointer to kmalloc() data only,
 295  * skb are built only after the frame was DMA-ed.
 296  */
 297 struct sw_rx_data {
 298         struct page *data;
 299         dma_addr_t mapping;
 300         unsigned int page_offset;
 301 };
 302
 303 enum qede_agg_state {
 304         QEDE_AGG_STATE_NONE  = 0,
 305         QEDE_AGG_STATE_START = 1,
 306         QEDE_AGG_STATE_ERROR = 2
 307 };
 308
 309 struct qede_agg_info {
 310         /* rx_buf is a data buffer that can be placed / consumed from rx bd
 311          * chain. It has two purposes: We will preallocate the data buffer
 312          * for each aggregation when we open the interface and will place this
 313          * buffer on the rx-bd-ring when we receive TPA_START. We don't want
 314          * to be in a state where allocation fails, as we can't reuse the
 315          * consumer buffer in the rx-chain since FW may still be writing to it
 316          * (since header needs to be modified for TPA).
 317          * The second purpose is to keep a pointer to the bd buffer during
 318          * aggregation.
 319          */
 320         struct sw_rx_data buffer;
 321         struct sk_buff *skb;
 322
 323         /* We need some structs from the start cookie until termination */
 324         u16 vlan_tag;
 325
 326         bool tpa_start_fail;
 327         u8 state;
 328         u8 frag_id;
 329
 330         u8 tunnel_type;
 331 };
 332
 333 struct qede_rx_queue {
 334         __le16 *hw_cons_ptr;
 335         void __iomem *hw_rxq_prod_addr;
 336
 337         /* Required for the allocation of replacement buffers */
 338         struct device *dev;
 339
 340         struct bpf_prog *xdp_prog;
 341
 342         u16 sw_rx_cons;
 343         u16 sw_rx_prod;
 344
 345         u16 filled_buffers;
 346         u8 data_direction;
 347         u8 rxq_id;
 348
 349         /* Used once per each NAPI run */
 350         u16 num_rx_buffers;
 351
 352         u16 rx_headroom;
 353
 354         u32 rx_buf_size;
 355         u32 rx_buf_seg_size;
 356
 357         struct sw_rx_data *sw_rx_ring;
 358         struct qed_chain rx_bd_ring;
 359         struct qed_chain rx_comp_ring ____cacheline_aligned;
 360
 361         /* GRO */
 362         struct qede_agg_info tpa_info[ETH_TPA_MAX_AGGS_NUM];
 363
 364         /* Used once per each NAPI run */
 365         u64 rcv_pkts;
 366
 367         u64 rx_hw_errors;
 368         u64 rx_alloc_errors;
 369         u64 rx_ip_frags;
 370
 371         u64 xdp_no_pass;
 372
 373         void *handle;
 374         struct xdp_rxq_info xdp_rxq;
 375 };
 376
 377 union db_prod {
 378         struct eth_db_data data;
 379         u32             raw;
 380 };
 381
 382 struct sw_tx_bd {
 383         struct sk_buff *skb;
 384         u8 flags;
 385 /* Set on the first BD descriptor when there is a split BD */
 386 #define QEDE_TSO_SPLIT_BD               BIT(0)
 387 };
 388
 389 struct sw_tx_xdp {
 390         struct page *page;
 391         dma_addr_t mapping;
 392 };
 393
 394 struct qede_tx_queue {
 395         u8 is_xdp;
 396         bool is_legacy;
 397         u16 sw_tx_cons;
 398         u16 sw_tx_prod;
 399         u16 num_tx_buffers; /* Slowpath only */
 400
 401         u64 xmit_pkts;
 402         u64 stopped_cnt;
 403         u64 tx_mem_alloc_err;
 404
 405         __le16 *hw_cons_ptr;
 406
 407         /* Needed for the mapping of packets */
 408         struct device *dev;
 409
 410         void __iomem *doorbell_addr;
 411         union db_prod tx_db;
 412         int index; /* Slowpath only */
 413 #define QEDE_TXQ_XDP_TO_IDX(edev, txq)  ((txq)->index - \
 414                                          QEDE_MAX_TSS_CNT(edev))
 415 #define QEDE_TXQ_IDX_TO_XDP(edev, idx)  ((idx) + QEDE_MAX_TSS_CNT(edev))
 416 #define QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)    ((edev)->fp_num_rx + \
 417                                                  ((idx) % QEDE_TSS_COUNT(edev)))
 418 #define QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)  ((idx) / QEDE_TSS_COUNT(edev))
 419 #define QEDE_TXQ_TO_NDEV_TXQ_ID(edev, txq)      ((QEDE_TSS_COUNT(edev) * \
 420                                                  (txq)->cos) + (txq)->index)
 421 #define QEDE_NDEV_TXQ_ID_TO_TXQ(edev, idx)      \
 422         (&((edev)->fp_array[QEDE_NDEV_TXQ_ID_TO_FP_ID(edev, idx)].txq \
 423         [QEDE_NDEV_TXQ_ID_TO_TXQ_COS(edev, idx)]))
 424 #define QEDE_FP_TC0_TXQ(fp)     (&((fp)->txq[0]))
 425
 426         /* Regular Tx requires skb + metadata for release purpose,
 427          * while XDP requires the pages and the mapped address.
 428          */
 429         union {
 430                 struct sw_tx_bd *skbs;
 431                 struct sw_tx_xdp *xdp;
 432         } sw_tx_ring;
 433
 434         struct qed_chain tx_pbl;
 435
 436         /* Slowpath; Should be kept in end [unless missing padding] */
 437         void *handle;
 438         u16 cos;
 439         u16 ndev_txq_id;
 440 };
 441
 442 #define BD_UNMAP_ADDR(bd)               HILO_U64(le32_to_cpu((bd)->addr.hi), \
 443                                                  le32_to_cpu((bd)->addr.lo))
 444 #define BD_SET_UNMAP_ADDR_LEN(bd, maddr, len)                           \
 445         do {                                                            \
 446                 (bd)->addr.hi = cpu_to_le32(upper_32_bits(maddr));      \
 447                 (bd)->addr.lo = cpu_to_le32(lower_32_bits(maddr));      \
 448                 (bd)->nbytes = cpu_to_le16(len);                        \
 449         } while (0)
 450 #define BD_UNMAP_LEN(bd)                (le16_to_cpu((bd)->nbytes))
 451
 452 struct qede_fastpath {
 453         struct qede_dev *edev;
 454 #define QEDE_FASTPATH_TX        BIT(0)
 455 #define QEDE_FASTPATH_RX        BIT(1)
 456 #define QEDE_FASTPATH_XDP       BIT(2)
 457 #define QEDE_FASTPATH_COMBINED  (QEDE_FASTPATH_TX | QEDE_FASTPATH_RX)
 458         u8                      type;
 459         u8                      id;
 460         u8                      xdp_xmit;
 461         struct napi_struct      napi;
 462         struct qed_sb_info      *sb_info;
 463         struct qede_rx_queue    *rxq;
 464         struct qede_tx_queue    *txq;
 465         struct qede_tx_queue    *xdp_tx;
 466
 467 #define VEC_NAME_SIZE  (sizeof_field(struct net_device, name) + 8)
 468         char    name[VEC_NAME_SIZE];
 469 };
 470
 471 /* Debug print definitions */
 472 #define DP_NAME(edev) ((edev)->ndev->name)
 473
 474 #define XMIT_PLAIN              0
 475 #define XMIT_L4_CSUM            BIT(0)
 476 #define XMIT_LSO                BIT(1)
 477 #define XMIT_ENC                BIT(2)
 478 #define XMIT_ENC_GSO_L4_CSUM    BIT(3)
 479
 480 #define QEDE_CSUM_ERROR                 BIT(0)
 481 #define QEDE_CSUM_UNNECESSARY           BIT(1)
 482 #define QEDE_TUNN_CSUM_UNNECESSARY      BIT(2)
 483
 484 #define QEDE_SP_RECOVERY                0
 485 #define QEDE_SP_RX_MODE                 1
 486
 487 #ifdef CONFIG_RFS_ACCEL
 488 int qede_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
 489                        u16 rxq_index, u32 flow_id);
 490 #define QEDE_SP_ARFS_CONFIG     4
 491 #define QEDE_SP_TASK_POLL_DELAY (5 * HZ)
 492 #endif
 493
 494 void qede_process_arfs_filters(struct qede_dev *edev, bool free_fltr);
 495 void qede_poll_for_freeing_arfs_filters(struct qede_dev *edev);
 496 void qede_arfs_filter_op(void *dev, void *filter, u8 fw_rc);
 497 void qede_free_arfs(struct qede_dev *edev);
 498 int qede_alloc_arfs(struct qede_dev *edev);
 499 int qede_add_cls_rule(struct qede_dev *edev, struct ethtool_rxnfc *info);
 500 int qede_delete_flow_filter(struct qede_dev *edev, u64 cookie);
 501 int qede_get_cls_rule_entry(struct qede_dev *edev, struct ethtool_rxnfc *cmd);
 502 int qede_get_cls_rule_all(struct qede_dev *edev, struct ethtool_rxnfc *info,
 503                           u32 *rule_locs);
 504 int qede_get_arfs_filter_count(struct qede_dev *edev);
 505
 506 struct qede_reload_args {
 507         void (*func)(struct qede_dev *edev, struct qede_reload_args *args);
 508         union {
 509                 netdev_features_t features;
 510                 struct bpf_prog *new_prog;
 511                 u16 mtu;
 512         } u;
 513 };
 514
 515 /* Datapath functions definition */
 516 netdev_tx_t qede_start_xmit(struct sk_buff *skb, struct net_device *ndev);
 517 u16 qede_select_queue(struct net_device *dev, struct sk_buff *skb,
 518                       struct net_device *sb_dev);
 519 netdev_features_t qede_features_check(struct sk_buff *skb,
 520                                       struct net_device *dev,
 521                                       netdev_features_t features);
 522 void qede_tx_log_print(struct qede_dev *edev, struct qede_fastpath *fp);
 523 int qede_alloc_rx_buffer(struct qede_rx_queue *rxq, bool allow_lazy);
 524 int qede_free_tx_pkt(struct qede_dev *edev,
 525                      struct qede_tx_queue *txq, int *len);
 526 int qede_poll(struct napi_struct *napi, int budget);
 527 irqreturn_t qede_msix_fp_int(int irq, void *fp_cookie);
 528
 529 /* Filtering function definitions */
 530 void qede_force_mac(void *dev, u8 *mac, bool forced);
 531 void qede_udp_ports_update(void *dev, u16 vxlan_port, u16 geneve_port);
 532 int qede_set_mac_addr(struct net_device *ndev, void *p);
 533
 534 int qede_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
 535 int qede_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
 536 void qede_vlan_mark_nonconfigured(struct qede_dev *edev);
 537 int qede_configure_vlan_filters(struct qede_dev *edev);
 538
 539 netdev_features_t qede_fix_features(struct net_device *dev,
 540                                     netdev_features_t features);
 541 int qede_set_features(struct net_device *dev, netdev_features_t features);
 542 void qede_set_rx_mode(struct net_device *ndev);
 543 void qede_config_rx_mode(struct net_device *ndev);
 544 void qede_fill_rss_params(struct qede_dev *edev,
 545                           struct qed_update_vport_rss_params *rss, u8 *update);
 546
 547 void qede_udp_tunnel_add(struct net_device *dev, struct udp_tunnel_info *ti);
 548 void qede_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *ti);
 549
 550 int qede_xdp(struct net_device *dev, struct netdev_bpf *xdp);
 551
 552 #ifdef CONFIG_DCB
 553 void qede_set_dcbnl_ops(struct net_device *ndev);
 554 #endif
 555
 556 void qede_config_debug(uint debug, u32 *p_dp_module, u8 *p_dp_level);
 557 void qede_set_ethtool_ops(struct net_device *netdev);
 558 void qede_reload(struct qede_dev *edev,
 559                  struct qede_reload_args *args, bool is_locked);
 560 int qede_change_mtu(struct net_device *dev, int new_mtu);
 561 void qede_fill_by_demand_stats(struct qede_dev *edev);
 562 void __qede_lock(struct qede_dev *edev);
 563 void __qede_unlock(struct qede_dev *edev);
 564 bool qede_has_rx_work(struct qede_rx_queue *rxq);
 565 int qede_txq_has_work(struct qede_tx_queue *txq);
 566 void qede_recycle_rx_bd_ring(struct qede_rx_queue *rxq, u8 count);
 567 void qede_update_rx_prod(struct qede_dev *edev, struct qede_rx_queue *rxq);
 568 int qede_add_tc_flower_fltr(struct qede_dev *edev, __be16 proto,
 569                             struct flow_cls_offload *f);
 570
 571 #define RX_RING_SIZE_POW        13
 572 #define RX_RING_SIZE            ((u16)BIT(RX_RING_SIZE_POW))
 573 #define NUM_RX_BDS_MAX          (RX_RING_SIZE - 1)
 574 #define NUM_RX_BDS_MIN          128
 575 #define NUM_RX_BDS_DEF          ((u16)BIT(10) - 1)
 576
 577 #define TX_RING_SIZE_POW        13
 578 #define TX_RING_SIZE            ((u16)BIT(TX_RING_SIZE_POW))
 579 #define NUM_TX_BDS_MAX          (TX_RING_SIZE - 1)
 580 #define NUM_TX_BDS_MIN          128
 581 #define NUM_TX_BDS_DEF          NUM_TX_BDS_MAX
 582
 583 #define QEDE_MIN_PKT_LEN                64
 584 #define QEDE_RX_HDR_SIZE                256
 585 #define QEDE_MAX_JUMBO_PACKET_SIZE      9600
 586 #define for_each_queue(i) for (i = 0; i < edev->num_queues; i++)
 587 #define for_each_cos_in_txq(edev, var) \
 588         for ((var) = 0; (var) < (edev)->dev_info.num_tc; (var)++)
 589
 590 #endif /* _QEDE_H_ */