drivers/net/ethernet/mellanox/mlx4/mlx4_en.h

   1 /*
   2  * Copyright (c) 2007 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  */
  33
  34 #ifndef _MLX4_EN_H_
  35 #define _MLX4_EN_H_
  36
  37 #include <linux/bitops.h>
  38 #include <linux/compiler.h>
  39 #include <linux/list.h>
  40 #include <linux/mutex.h>
  41 #include <linux/netdevice.h>
  42 #include <linux/if_vlan.h>
  43
  44 #include <linux/mlx4/device.h>
  45 #include <linux/mlx4/qp.h>
  46 #include <linux/mlx4/cq.h>
  47 #include <linux/mlx4/srq.h>
  48 #include <linux/mlx4/doorbell.h>
  49 #include <linux/mlx4/cmd.h>
  50
  51 #include "en_port.h"
  52
  53 #define DRV_NAME        "mlx4_en"
  54 #define DRV_VERSION     "2.0"
  55 #define DRV_RELDATE     "Dec 2011"
  56
  57 #define MLX4_EN_MSG_LEVEL       (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
  58
  59 /*
  60  * Device constants
  61  */
  62
  63
  64 #define MLX4_EN_PAGE_SHIFT      12
  65 #define MLX4_EN_PAGE_SIZE       (1 << MLX4_EN_PAGE_SHIFT)
  66 #define MAX_RX_RINGS            16
  67 #define MIN_RX_RINGS            4
  68 #define TXBB_SIZE               64
  69 #define HEADROOM                (2048 / TXBB_SIZE + 1)
  70 #define STAMP_STRIDE            64
  71 #define STAMP_DWORDS            (STAMP_STRIDE / 4)
  72 #define STAMP_SHIFT             31
  73 #define STAMP_VAL               0x7fffffff
  74 #define STATS_DELAY             (HZ / 4)
  75
  76 /* Typical TSO descriptor with 16 gather entries is 352 bytes... */
  77 #define MAX_DESC_SIZE           512
  78 #define MAX_DESC_TXBBS          (MAX_DESC_SIZE / TXBB_SIZE)
  79
  80 /*
  81  * OS related constants and tunables
  82  */
  83
  84 #define MLX4_EN_WATCHDOG_TIMEOUT        (15 * HZ)
  85
  86 #define MLX4_EN_ALLOC_ORDER     2
  87 #define MLX4_EN_ALLOC_SIZE      (PAGE_SIZE << MLX4_EN_ALLOC_ORDER)
  88
  89 #define MLX4_EN_MAX_LRO_DESCRIPTORS     32
  90
  91 /* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU
  92  * and 4K allocations) */
  93 enum {
  94         FRAG_SZ0 = 512 - NET_IP_ALIGN,
  95         FRAG_SZ1 = 1024,
  96         FRAG_SZ2 = 4096,
  97         FRAG_SZ3 = MLX4_EN_ALLOC_SIZE
  98 };
  99 #define MLX4_EN_MAX_RX_FRAGS    4
 100
 101 /* Maximum ring sizes */
 102 #define MLX4_EN_MAX_TX_SIZE     8192
 103 #define MLX4_EN_MAX_RX_SIZE     8192
 104
 105 /* Minimum ring size for our page-allocation sceme to work */
 106 #define MLX4_EN_MIN_RX_SIZE     (MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES)
 107 #define MLX4_EN_MIN_TX_SIZE     (4096 / TXBB_SIZE)
 108
 109 #define MLX4_EN_SMALL_PKT_SIZE          64
 110 #define MLX4_EN_NUM_TX_RINGS            8
 111 #define MLX4_EN_NUM_PPP_RINGS           8
 112 #define MAX_TX_RINGS                    (MLX4_EN_NUM_TX_RINGS + MLX4_EN_NUM_PPP_RINGS)
 113 #define MLX4_EN_DEF_TX_RING_SIZE        512
 114 #define MLX4_EN_DEF_RX_RING_SIZE        1024
 115
 116 /* Target number of packets to coalesce with interrupt moderation */
 117 #define MLX4_EN_RX_COAL_TARGET  44
 118 #define MLX4_EN_RX_COAL_TIME    0x10
 119
 120 #define MLX4_EN_TX_COAL_PKTS    5
 121 #define MLX4_EN_TX_COAL_TIME    0x80
 122
 123 #define MLX4_EN_RX_RATE_LOW             400000
 124 #define MLX4_EN_RX_COAL_TIME_LOW        0
 125 #define MLX4_EN_RX_RATE_HIGH            450000
 126 #define MLX4_EN_RX_COAL_TIME_HIGH       128
 127 #define MLX4_EN_RX_SIZE_THRESH          1024
 128 #define MLX4_EN_RX_RATE_THRESH          (1000000 / MLX4_EN_RX_COAL_TIME_HIGH)
 129 #define MLX4_EN_SAMPLE_INTERVAL         0
 130 #define MLX4_EN_AVG_PKT_SMALL           256
 131
 132 #define MLX4_EN_AUTO_CONF       0xffff
 133
 134 #define MLX4_EN_DEF_RX_PAUSE    1
 135 #define MLX4_EN_DEF_TX_PAUSE    1
 136
 137 /* Interval between successive polls in the Tx routine when polling is used
 138    instead of interrupts (in per-core Tx rings) - should be power of 2 */
 139 #define MLX4_EN_TX_POLL_MODER   16
 140 #define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4)
 141
 142 #define ETH_LLC_SNAP_SIZE       8
 143
 144 #define SMALL_PACKET_SIZE      (256 - NET_IP_ALIGN)
 145 #define HEADER_COPY_SIZE       (128 - NET_IP_ALIGN)
 146 #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN)
 147
 148 #define MLX4_EN_MIN_MTU         46
 149 #define ETH_BCAST               0xffffffffffffULL
 150
 151 #define MLX4_EN_LOOPBACK_RETRIES        5
 152 #define MLX4_EN_LOOPBACK_TIMEOUT        100
 153
 154 #ifdef MLX4_EN_PERF_STAT
 155 /* Number of samples to 'average' */
 156 #define AVG_SIZE                        128
 157 #define AVG_FACTOR                      1024
 158 #define NUM_PERF_STATS                  NUM_PERF_COUNTERS
 159
 160 #define INC_PERF_COUNTER(cnt)           (++(cnt))
 161 #define ADD_PERF_COUNTER(cnt, add)      ((cnt) += (add))
 162 #define AVG_PERF_COUNTER(cnt, sample) \
 163         ((cnt) = ((cnt) * (AVG_SIZE - 1) + (sample) * AVG_FACTOR) / AVG_SIZE)
 164 #define GET_PERF_COUNTER(cnt)           (cnt)
 165 #define GET_AVG_PERF_COUNTER(cnt)       ((cnt) / AVG_FACTOR)
 166
 167 #else
 168
 169 #define NUM_PERF_STATS                  0
 170 #define INC_PERF_COUNTER(cnt)           do {} while (0)
 171 #define ADD_PERF_COUNTER(cnt, add)      do {} while (0)
 172 #define AVG_PERF_COUNTER(cnt, sample)   do {} while (0)
 173 #define GET_PERF_COUNTER(cnt)           (0)
 174 #define GET_AVG_PERF_COUNTER(cnt)       (0)
 175 #endif /* MLX4_EN_PERF_STAT */
 176
 177 /*
 178  * Configurables
 179  */
 180
 181 enum cq_type {
 182         RX = 0,
 183         TX = 1,
 184 };
 185
 186
 187 /*
 188  * Useful macros
 189  */
 190 #define ROUNDUP_LOG2(x)         ilog2(roundup_pow_of_two(x))
 191 #define XNOR(x, y)              (!(x) == !(y))
 192 #define ILLEGAL_MAC(addr)       (addr == 0xffffffffffffULL || addr == 0x0)
 193
 194
 195 struct mlx4_en_tx_info {
 196         struct sk_buff *skb;
 197         u32 nr_txbb;
 198         u8 linear;
 199         u8 data_offset;
 200         u8 inl;
 201 };
 202
 203
 204 #define MLX4_EN_BIT_DESC_OWN    0x80000000
 205 #define CTRL_SIZE       sizeof(struct mlx4_wqe_ctrl_seg)
 206 #define MLX4_EN_MEMTYPE_PAD     0x100
 207 #define DS_SIZE         sizeof(struct mlx4_wqe_data_seg)
 208
 209
 210 struct mlx4_en_tx_desc {
 211         struct mlx4_wqe_ctrl_seg ctrl;
 212         union {
 213                 struct mlx4_wqe_data_seg data; /* at least one data segment */
 214                 struct mlx4_wqe_lso_seg lso;
 215                 struct mlx4_wqe_inline_seg inl;
 216         };
 217 };
 218
 219 #define MLX4_EN_USE_SRQ         0x01000000
 220
 221 #define MLX4_EN_CX3_LOW_ID      0x1000
 222 #define MLX4_EN_CX3_HIGH_ID     0x1005
 223
 224 struct mlx4_en_rx_alloc {
 225         struct page *page;
 226         u16 offset;
 227 };
 228
 229 struct mlx4_en_tx_ring {
 230         struct mlx4_hwq_resources wqres;
 231         u32 size ; /* number of TXBBs */
 232         u32 size_mask;
 233         u16 stride;
 234         u16 cqn;        /* index of port CQ associated with this ring */
 235         u32 prod;
 236         u32 cons;
 237         u32 buf_size;
 238         u32 doorbell_qpn;
 239         void *buf;
 240         u16 poll_cnt;
 241         int blocked;
 242         struct mlx4_en_tx_info *tx_info;
 243         u8 *bounce_buf;
 244         u32 last_nr_txbb;
 245         struct mlx4_qp qp;
 246         struct mlx4_qp_context context;
 247         int qpn;
 248         enum mlx4_qp_state qp_state;
 249         struct mlx4_srq dummy;
 250         unsigned long bytes;
 251         unsigned long packets;
 252         unsigned long tx_csum;
 253         spinlock_t comp_lock;
 254         struct mlx4_bf bf;
 255         bool bf_enabled;
 256 };
 257
 258 struct mlx4_en_rx_desc {
 259         /* actual number of entries depends on rx ring stride */
 260         struct mlx4_wqe_data_seg data[0];
 261 };
 262
 263 struct mlx4_en_rx_ring {
 264         struct mlx4_hwq_resources wqres;
 265         struct mlx4_en_rx_alloc page_alloc[MLX4_EN_MAX_RX_FRAGS];
 266         u32 size ;      /* number of Rx descs*/
 267         u32 actual_size;
 268         u32 size_mask;
 269         u16 stride;
 270         u16 log_stride;
 271         u16 cqn;        /* index of port CQ associated with this ring */
 272         u32 prod;
 273         u32 cons;
 274         u32 buf_size;
 275         u8  fcs_del;
 276         void *buf;
 277         void *rx_info;
 278         unsigned long bytes;
 279         unsigned long packets;
 280         unsigned long csum_ok;
 281         unsigned long csum_none;
 282 };
 283
 284
 285 static inline int mlx4_en_can_lro(__be16 status)
 286 {
 287         return (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4       |
 288                                      MLX4_CQE_STATUS_IPV4F      |
 289                                      MLX4_CQE_STATUS_IPV6       |
 290                                      MLX4_CQE_STATUS_IPV4OPT    |
 291                                      MLX4_CQE_STATUS_TCP        |
 292                                      MLX4_CQE_STATUS_UDP        |
 293                                      MLX4_CQE_STATUS_IPOK)) ==
 294                 cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
 295                             MLX4_CQE_STATUS_IPOK |
 296                             MLX4_CQE_STATUS_TCP);
 297 }
 298
 299 struct mlx4_en_cq {
 300         struct mlx4_cq          mcq;
 301         struct mlx4_hwq_resources wqres;
 302         int                     ring;
 303         spinlock_t              lock;
 304         struct net_device      *dev;
 305         struct napi_struct      napi;
 306         /* Per-core Tx cq processing support */
 307         struct timer_list timer;
 308         int size;
 309         int buf_size;
 310         unsigned vector;
 311         enum cq_type is_tx;
 312         u16 moder_time;
 313         u16 moder_cnt;
 314         struct mlx4_cqe *buf;
 315 #define MLX4_EN_OPCODE_ERROR    0x1e
 316 };
 317
 318 struct mlx4_en_port_profile {
 319         u32 flags;
 320         u32 tx_ring_num;
 321         u32 rx_ring_num;
 322         u32 tx_ring_size;
 323         u32 rx_ring_size;
 324         u8 rx_pause;
 325         u8 rx_ppp;
 326         u8 tx_pause;
 327         u8 tx_ppp;
 328         int rss_rings;
 329 };
 330
 331 struct mlx4_en_profile {
 332         int rss_xor;
 333         int udp_rss;
 334         u8 rss_mask;
 335         u32 active_ports;
 336         u32 small_pkt_int;
 337         u8 no_reset;
 338         struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
 339 };
 340
 341 struct mlx4_en_dev {
 342         struct mlx4_dev         *dev;
 343         struct pci_dev          *pdev;
 344         struct mutex            state_lock;
 345         struct net_device       *pndev[MLX4_MAX_PORTS + 1];
 346         u32                     port_cnt;
 347         bool                    device_up;
 348         struct mlx4_en_profile  profile;
 349         u32                     LSO_support;
 350         struct workqueue_struct *workqueue;
 351         struct device           *dma_device;
 352         void __iomem            *uar_map;
 353         struct mlx4_uar         priv_uar;
 354         struct mlx4_mr          mr;
 355         u32                     priv_pdn;
 356         spinlock_t              uar_lock;
 357         u8                      mac_removed[MLX4_MAX_PORTS + 1];
 358 };
 359
 360
 361 struct mlx4_en_rss_map {
 362         int base_qpn;
 363         struct mlx4_qp qps[MAX_RX_RINGS];
 364         enum mlx4_qp_state state[MAX_RX_RINGS];
 365         struct mlx4_qp indir_qp;
 366         enum mlx4_qp_state indir_state;
 367 };
 368
 369 struct mlx4_en_port_state {
 370         int link_state;
 371         int link_speed;
 372         int transciver;
 373 };
 374
 375 struct mlx4_en_pkt_stats {
 376         unsigned long broadcast;
 377         unsigned long rx_prio[8];
 378         unsigned long tx_prio[8];
 379 #define NUM_PKT_STATS           17
 380 };
 381
 382 struct mlx4_en_port_stats {
 383         unsigned long tso_packets;
 384         unsigned long queue_stopped;
 385         unsigned long wake_queue;
 386         unsigned long tx_timeout;
 387         unsigned long rx_alloc_failed;
 388         unsigned long rx_chksum_good;
 389         unsigned long rx_chksum_none;
 390         unsigned long tx_chksum_offload;
 391 #define NUM_PORT_STATS          8
 392 };
 393
 394 struct mlx4_en_perf_stats {
 395         u32 tx_poll;
 396         u64 tx_pktsz_avg;
 397         u32 inflight_avg;
 398         u16 tx_coal_avg;
 399         u16 rx_coal_avg;
 400         u32 napi_quota;
 401 #define NUM_PERF_COUNTERS               6
 402 };
 403
 404 struct mlx4_en_frag_info {
 405         u16 frag_size;
 406         u16 frag_prefix_size;
 407         u16 frag_stride;
 408         u16 frag_align;
 409         u16 last_offset;
 410
 411 };
 412
 413 struct mlx4_en_priv {
 414         struct mlx4_en_dev *mdev;
 415         struct mlx4_en_port_profile *prof;
 416         struct net_device *dev;
 417         unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 418         struct net_device_stats stats;
 419         struct net_device_stats ret_stats;
 420         struct mlx4_en_port_state port_state;
 421         spinlock_t stats_lock;
 422
 423         unsigned long last_moder_packets[MAX_RX_RINGS];
 424         unsigned long last_moder_tx_packets;
 425         unsigned long last_moder_bytes[MAX_RX_RINGS];
 426         unsigned long last_moder_jiffies;
 427         int last_moder_time[MAX_RX_RINGS];
 428         u16 rx_usecs;
 429         u16 rx_frames;
 430         u16 tx_usecs;
 431         u16 tx_frames;
 432         u32 pkt_rate_low;
 433         u16 rx_usecs_low;
 434         u32 pkt_rate_high;
 435         u16 rx_usecs_high;
 436         u16 sample_interval;
 437         u16 adaptive_rx_coal;
 438         u32 msg_enable;
 439         u32 loopback_ok;
 440         u32 validate_loopback;
 441
 442         struct mlx4_hwq_resources res;
 443         int link_state;
 444         int last_link_state;
 445         bool port_up;
 446         int port;
 447         int registered;
 448         int allocated;
 449         int stride;
 450         u64 mac;
 451         int mac_index;
 452         unsigned max_mtu;
 453         int base_qpn;
 454
 455         struct mlx4_en_rss_map rss_map;
 456         __be32 ctrl_flags;
 457         u32 flags;
 458 #define MLX4_EN_FLAG_PROMISC    0x1
 459 #define MLX4_EN_FLAG_MC_PROMISC 0x2
 460         u32 tx_ring_num;
 461         u32 rx_ring_num;
 462         u32 rx_skb_size;
 463         struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS];
 464         u16 num_frags;
 465         u16 log_rx_info;
 466
 467         struct mlx4_en_tx_ring tx_ring[MAX_TX_RINGS];
 468         struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
 469         struct mlx4_en_cq tx_cq[MAX_TX_RINGS];
 470         struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
 471         struct work_struct mcast_task;
 472         struct work_struct mac_task;
 473         struct work_struct watchdog_task;
 474         struct work_struct linkstate_task;
 475         struct delayed_work stats_task;
 476         struct mlx4_en_perf_stats pstats;
 477         struct mlx4_en_pkt_stats pkstats;
 478         struct mlx4_en_port_stats port_stats;
 479         u64 stats_bitmap;
 480         char *mc_addrs;
 481         int mc_addrs_cnt;
 482         struct mlx4_en_stat_out_mbox hw_stats;
 483         int vids[128];
 484         bool wol;
 485         struct device *ddev;
 486 };
 487
 488 enum mlx4_en_wol {
 489         MLX4_EN_WOL_MAGIC = (1ULL << 61),
 490         MLX4_EN_WOL_ENABLED = (1ULL << 62),
 491 };
 492
 493 #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63)
 494
 495 void mlx4_en_destroy_netdev(struct net_device *dev);
 496 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 497                         struct mlx4_en_port_profile *prof);
 498
 499 int mlx4_en_start_port(struct net_device *dev);
 500 void mlx4_en_stop_port(struct net_device *dev);
 501
 502 void mlx4_en_free_resources(struct mlx4_en_priv *priv);
 503 int mlx4_en_alloc_resources(struct mlx4_en_priv *priv);
 504
 505 int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
 506                       int entries, int ring, enum cq_type mode);
 507 void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 508 int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
 509                         int cq_idx);
 510 void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 511 int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 512 int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 513
 514 void mlx4_en_poll_tx_cq(unsigned long data);
 515 void mlx4_en_tx_irq(struct mlx4_cq *mcq);
 516 u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb);
 517 netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
 518
 519 int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring,
 520                            int qpn, u32 size, u16 stride);
 521 void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring);
 522 int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
 523                              struct mlx4_en_tx_ring *ring,
 524                              int cq, int user_prio);
 525 void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
 526                                 struct mlx4_en_tx_ring *ring);
 527
 528 int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
 529                            struct mlx4_en_rx_ring *ring,
 530                            u32 size, u16 stride);
 531 void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
 532                              struct mlx4_en_rx_ring *ring,
 533                              u32 size, u16 stride);
 534 int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
 535 void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
 536                                 struct mlx4_en_rx_ring *ring);
 537 int mlx4_en_process_rx_cq(struct net_device *dev,
 538                           struct mlx4_en_cq *cq,
 539                           int budget);
 540 int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
 541 void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
 542                 int is_tx, int rss, int qpn, int cqn, int user_prio,
 543                 struct mlx4_qp_context *context);
 544 void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
 545 int mlx4_en_map_buffer(struct mlx4_buf *buf);
 546 void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
 547
 548 void mlx4_en_calc_rx_buf(struct net_device *dev);
 549 int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
 550 void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
 551 int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);
 552 void mlx4_en_rx_irq(struct mlx4_cq *mcq);
 553
 554 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
 555 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv);
 556
 557 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset);
 558 int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
 559
 560 #define MLX4_EN_NUM_SELF_TEST   5
 561 void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
 562 u64 mlx4_en_mac_to_u64(u8 *addr);
 563
 564 /*
 565  * Globals
 566  */
 567 extern const struct ethtool_ops mlx4_en_ethtool_ops;
 568
 569
 570
 571 /*
 572  * printk / logging functions
 573  */
 574
 575 __printf(3, 4)
 576 int en_print(const char *level, const struct mlx4_en_priv *priv,
 577              const char *format, ...);
 578
 579 #define en_dbg(mlevel, priv, format, arg...)                    \
 580 do {                                                            \
 581         if (NETIF_MSG_##mlevel & priv->msg_enable)              \
 582                 en_print(KERN_DEBUG, priv, format, ##arg);      \
 583 } while (0)
 584 #define en_warn(priv, format, arg...)                   \
 585         en_print(KERN_WARNING, priv, format, ##arg)
 586 #define en_err(priv, format, arg...)                    \
 587         en_print(KERN_ERR, priv, format, ##arg)
 588 #define en_info(priv, format, arg...)                   \
 589         en_print(KERN_INFO, priv, format, ## arg)
 590
 591 #define mlx4_err(mdev, format, arg...)                  \
 592         pr_err("%s %s: " format, DRV_NAME,              \
 593                dev_name(&mdev->pdev->dev), ##arg)
 594 #define mlx4_info(mdev, format, arg...)                 \
 595         pr_info("%s %s: " format, DRV_NAME,             \
 596                 dev_name(&mdev->pdev->dev), ##arg)
 597 #define mlx4_warn(mdev, format, arg...)                 \
 598         pr_warning("%s %s: " format, DRV_NAME,          \
 599                    dev_name(&mdev->pdev->dev), ##arg)
 600
 601 #endif