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 #ifdef CONFIG_MLX4_EN_DCB
  44 #include <linux/dcbnl.h>
  45 #endif
  46
  47 #include <linux/mlx4/device.h>
  48 #include <linux/mlx4/qp.h>
  49 #include <linux/mlx4/cq.h>
  50 #include <linux/mlx4/srq.h>
  51 #include <linux/mlx4/doorbell.h>
  52 #include <linux/mlx4/cmd.h>
  53
  54 #include "en_port.h"
  55
  56 #define DRV_NAME        "mlx4_en"
  57 #define DRV_VERSION     "2.0"
  58 #define DRV_RELDATE     "Dec 2011"
  59
  60 #define MLX4_EN_MSG_LEVEL       (NETIF_MSG_LINK | NETIF_MSG_IFDOWN)
  61
  62 /*
  63  * Device constants
  64  */
  65
  66
  67 #define MLX4_EN_PAGE_SHIFT      12
  68 #define MLX4_EN_PAGE_SIZE       (1 << MLX4_EN_PAGE_SHIFT)
  69 #define MAX_RX_RINGS            16
  70 #define MIN_RX_RINGS            4
  71 #define TXBB_SIZE               64
  72 #define HEADROOM                (2048 / TXBB_SIZE + 1)
  73 #define STAMP_STRIDE            64
  74 #define STAMP_DWORDS            (STAMP_STRIDE / 4)
  75 #define STAMP_SHIFT             31
  76 #define STAMP_VAL               0x7fffffff
  77 #define STATS_DELAY             (HZ / 4)
  78
  79 /* Typical TSO descriptor with 16 gather entries is 352 bytes... */
  80 #define MAX_DESC_SIZE           512
  81 #define MAX_DESC_TXBBS          (MAX_DESC_SIZE / TXBB_SIZE)
  82
  83 /*
  84  * OS related constants and tunables
  85  */
  86
  87 #define MLX4_EN_WATCHDOG_TIMEOUT        (15 * HZ)
  88
  89 /* Use the maximum between 16384 and a single page */
  90 #define MLX4_EN_ALLOC_SIZE      PAGE_ALIGN(16384)
  91 #define MLX4_EN_ALLOC_ORDER     get_order(MLX4_EN_ALLOC_SIZE)
  92
  93 #define MLX4_EN_MAX_LRO_DESCRIPTORS     32
  94
  95 /* Receive fragment sizes; we use at most 4 fragments (for 9600 byte MTU
  96  * and 4K allocations) */
  97 enum {
  98         FRAG_SZ0 = 512 - NET_IP_ALIGN,
  99         FRAG_SZ1 = 1024,
 100         FRAG_SZ2 = 4096,
 101         FRAG_SZ3 = MLX4_EN_ALLOC_SIZE
 102 };
 103 #define MLX4_EN_MAX_RX_FRAGS    4
 104
 105 /* Maximum ring sizes */
 106 #define MLX4_EN_MAX_TX_SIZE     8192
 107 #define MLX4_EN_MAX_RX_SIZE     8192
 108
 109 /* Minimum ring size for our page-allocation sceme to work */
 110 #define MLX4_EN_MIN_RX_SIZE     (MLX4_EN_ALLOC_SIZE / SMP_CACHE_BYTES)
 111 #define MLX4_EN_MIN_TX_SIZE     (4096 / TXBB_SIZE)
 112
 113 #define MLX4_EN_SMALL_PKT_SIZE          64
 114 #define MLX4_EN_MAX_TX_RING_P_UP        32
 115 #define MLX4_EN_NUM_UP                  8
 116 #define MLX4_EN_DEF_TX_RING_SIZE        512
 117 #define MLX4_EN_DEF_RX_RING_SIZE        1024
 118
 119 /* Target number of packets to coalesce with interrupt moderation */
 120 #define MLX4_EN_RX_COAL_TARGET  44
 121 #define MLX4_EN_RX_COAL_TIME    0x10
 122
 123 #define MLX4_EN_TX_COAL_PKTS    16
 124 #define MLX4_EN_TX_COAL_TIME    0x80
 125
 126 #define MLX4_EN_RX_RATE_LOW             400000
 127 #define MLX4_EN_RX_COAL_TIME_LOW        0
 128 #define MLX4_EN_RX_RATE_HIGH            450000
 129 #define MLX4_EN_RX_COAL_TIME_HIGH       128
 130 #define MLX4_EN_RX_SIZE_THRESH          1024
 131 #define MLX4_EN_RX_RATE_THRESH          (1000000 / MLX4_EN_RX_COAL_TIME_HIGH)
 132 #define MLX4_EN_SAMPLE_INTERVAL         0
 133 #define MLX4_EN_AVG_PKT_SMALL           256
 134
 135 #define MLX4_EN_AUTO_CONF       0xffff
 136
 137 #define MLX4_EN_DEF_RX_PAUSE    1
 138 #define MLX4_EN_DEF_TX_PAUSE    1
 139
 140 /* Interval between successive polls in the Tx routine when polling is used
 141    instead of interrupts (in per-core Tx rings) - should be power of 2 */
 142 #define MLX4_EN_TX_POLL_MODER   16
 143 #define MLX4_EN_TX_POLL_TIMEOUT (HZ / 4)
 144
 145 #define ETH_LLC_SNAP_SIZE       8
 146
 147 #define SMALL_PACKET_SIZE      (256 - NET_IP_ALIGN)
 148 #define HEADER_COPY_SIZE       (128 - NET_IP_ALIGN)
 149 #define MLX4_LOOPBACK_TEST_PAYLOAD (HEADER_COPY_SIZE - ETH_HLEN)
 150
 151 #define MLX4_EN_MIN_MTU         46
 152 #define ETH_BCAST               0xffffffffffffULL
 153
 154 #define MLX4_EN_LOOPBACK_RETRIES        5
 155 #define MLX4_EN_LOOPBACK_TIMEOUT        100
 156
 157 #ifdef MLX4_EN_PERF_STAT
 158 /* Number of samples to 'average' */
 159 #define AVG_SIZE                        128
 160 #define AVG_FACTOR                      1024
 161 #define NUM_PERF_STATS                  NUM_PERF_COUNTERS
 162
 163 #define INC_PERF_COUNTER(cnt)           (++(cnt))
 164 #define ADD_PERF_COUNTER(cnt, add)      ((cnt) += (add))
 165 #define AVG_PERF_COUNTER(cnt, sample) \
 166         ((cnt) = ((cnt) * (AVG_SIZE - 1) + (sample) * AVG_FACTOR) / AVG_SIZE)
 167 #define GET_PERF_COUNTER(cnt)           (cnt)
 168 #define GET_AVG_PERF_COUNTER(cnt)       ((cnt) / AVG_FACTOR)
 169
 170 #else
 171
 172 #define NUM_PERF_STATS                  0
 173 #define INC_PERF_COUNTER(cnt)           do {} while (0)
 174 #define ADD_PERF_COUNTER(cnt, add)      do {} while (0)
 175 #define AVG_PERF_COUNTER(cnt, sample)   do {} while (0)
 176 #define GET_PERF_COUNTER(cnt)           (0)
 177 #define GET_AVG_PERF_COUNTER(cnt)       (0)
 178 #endif /* MLX4_EN_PERF_STAT */
 179
 180 /*
 181  * Configurables
 182  */
 183
 184 enum cq_type {
 185         RX = 0,
 186         TX = 1,
 187 };
 188
 189
 190 /*
 191  * Useful macros
 192  */
 193 #define ROUNDUP_LOG2(x)         ilog2(roundup_pow_of_two(x))
 194 #define XNOR(x, y)              (!(x) == !(y))
 195 #define ILLEGAL_MAC(addr)       (addr == 0xffffffffffffULL || addr == 0x0)
 196
 197
 198 struct mlx4_en_tx_info {
 199         struct sk_buff *skb;
 200         u32 nr_txbb;
 201         u32 nr_bytes;
 202         u8 linear;
 203         u8 data_offset;
 204         u8 inl;
 205 };
 206
 207
 208 #define MLX4_EN_BIT_DESC_OWN    0x80000000
 209 #define CTRL_SIZE       sizeof(struct mlx4_wqe_ctrl_seg)
 210 #define MLX4_EN_MEMTYPE_PAD     0x100
 211 #define DS_SIZE         sizeof(struct mlx4_wqe_data_seg)
 212
 213
 214 struct mlx4_en_tx_desc {
 215         struct mlx4_wqe_ctrl_seg ctrl;
 216         union {
 217                 struct mlx4_wqe_data_seg data; /* at least one data segment */
 218                 struct mlx4_wqe_lso_seg lso;
 219                 struct mlx4_wqe_inline_seg inl;
 220         };
 221 };
 222
 223 #define MLX4_EN_USE_SRQ         0x01000000
 224
 225 #define MLX4_EN_CX3_LOW_ID      0x1000
 226 #define MLX4_EN_CX3_HIGH_ID     0x1005
 227
 228 struct mlx4_en_rx_alloc {
 229         struct page *page;
 230         u16 offset;
 231 };
 232
 233 struct mlx4_en_tx_ring {
 234         struct mlx4_hwq_resources wqres;
 235         u32 size ; /* number of TXBBs */
 236         u32 size_mask;
 237         u16 stride;
 238         u16 cqn;        /* index of port CQ associated with this ring */
 239         u32 prod;
 240         u32 cons;
 241         u32 buf_size;
 242         u32 doorbell_qpn;
 243         void *buf;
 244         u16 poll_cnt;
 245         int blocked;
 246         struct mlx4_en_tx_info *tx_info;
 247         u8 *bounce_buf;
 248         u32 last_nr_txbb;
 249         struct mlx4_qp qp;
 250         struct mlx4_qp_context context;
 251         int qpn;
 252         enum mlx4_qp_state qp_state;
 253         struct mlx4_srq dummy;
 254         unsigned long bytes;
 255         unsigned long packets;
 256         unsigned long tx_csum;
 257         struct mlx4_bf bf;
 258         bool bf_enabled;
 259         struct netdev_queue *tx_queue;
 260 };
 261
 262 struct mlx4_en_rx_desc {
 263         /* actual number of entries depends on rx ring stride */
 264         struct mlx4_wqe_data_seg data[0];
 265 };
 266
 267 struct mlx4_en_rx_ring {
 268         struct mlx4_hwq_resources wqres;
 269         struct mlx4_en_rx_alloc page_alloc[MLX4_EN_MAX_RX_FRAGS];
 270         u32 size ;      /* number of Rx descs*/
 271         u32 actual_size;
 272         u32 size_mask;
 273         u16 stride;
 274         u16 log_stride;
 275         u16 cqn;        /* index of port CQ associated with this ring */
 276         u32 prod;
 277         u32 cons;
 278         u32 buf_size;
 279         u8  fcs_del;
 280         void *buf;
 281         void *rx_info;
 282         unsigned long bytes;
 283         unsigned long packets;
 284         unsigned long csum_ok;
 285         unsigned long csum_none;
 286 };
 287
 288
 289 static inline int mlx4_en_can_lro(__be16 status)
 290 {
 291         return (status & cpu_to_be16(MLX4_CQE_STATUS_IPV4       |
 292                                      MLX4_CQE_STATUS_IPV4F      |
 293                                      MLX4_CQE_STATUS_IPV6       |
 294                                      MLX4_CQE_STATUS_IPV4OPT    |
 295                                      MLX4_CQE_STATUS_TCP        |
 296                                      MLX4_CQE_STATUS_UDP        |
 297                                      MLX4_CQE_STATUS_IPOK)) ==
 298                 cpu_to_be16(MLX4_CQE_STATUS_IPV4 |
 299                             MLX4_CQE_STATUS_IPOK |
 300                             MLX4_CQE_STATUS_TCP);
 301 }
 302
 303 struct mlx4_en_cq {
 304         struct mlx4_cq          mcq;
 305         struct mlx4_hwq_resources wqres;
 306         int                     ring;
 307         spinlock_t              lock;
 308         struct net_device      *dev;
 309         struct napi_struct      napi;
 310         int size;
 311         int buf_size;
 312         unsigned vector;
 313         enum cq_type is_tx;
 314         u16 moder_time;
 315         u16 moder_cnt;
 316         struct mlx4_cqe *buf;
 317 #define MLX4_EN_OPCODE_ERROR    0x1e
 318 };
 319
 320 struct mlx4_en_port_profile {
 321         u32 flags;
 322         u32 tx_ring_num;
 323         u32 rx_ring_num;
 324         u32 tx_ring_size;
 325         u32 rx_ring_size;
 326         u8 rx_pause;
 327         u8 rx_ppp;
 328         u8 tx_pause;
 329         u8 tx_ppp;
 330         int rss_rings;
 331 };
 332
 333 struct mlx4_en_profile {
 334         int rss_xor;
 335         int udp_rss;
 336         u8 rss_mask;
 337         u32 active_ports;
 338         u32 small_pkt_int;
 339         u8 no_reset;
 340         u8 num_tx_rings_p_up;
 341         struct mlx4_en_port_profile prof[MLX4_MAX_PORTS + 1];
 342 };
 343
 344 struct mlx4_en_dev {
 345         struct mlx4_dev         *dev;
 346         struct pci_dev          *pdev;
 347         struct mutex            state_lock;
 348         struct net_device       *pndev[MLX4_MAX_PORTS + 1];
 349         u32                     port_cnt;
 350         bool                    device_up;
 351         struct mlx4_en_profile  profile;
 352         u32                     LSO_support;
 353         struct workqueue_struct *workqueue;
 354         struct device           *dma_device;
 355         void __iomem            *uar_map;
 356         struct mlx4_uar         priv_uar;
 357         struct mlx4_mr          mr;
 358         u32                     priv_pdn;
 359         spinlock_t              uar_lock;
 360         u8                      mac_removed[MLX4_MAX_PORTS + 1];
 361 };
 362
 363
 364 struct mlx4_en_rss_map {
 365         int base_qpn;
 366         struct mlx4_qp qps[MAX_RX_RINGS];
 367         enum mlx4_qp_state state[MAX_RX_RINGS];
 368         struct mlx4_qp indir_qp;
 369         enum mlx4_qp_state indir_state;
 370 };
 371
 372 struct mlx4_en_port_state {
 373         int link_state;
 374         int link_speed;
 375         int transciver;
 376 };
 377
 378 struct mlx4_en_pkt_stats {
 379         unsigned long broadcast;
 380         unsigned long rx_prio[8];
 381         unsigned long tx_prio[8];
 382 #define NUM_PKT_STATS           17
 383 };
 384
 385 struct mlx4_en_port_stats {
 386         unsigned long tso_packets;
 387         unsigned long queue_stopped;
 388         unsigned long wake_queue;
 389         unsigned long tx_timeout;
 390         unsigned long rx_alloc_failed;
 391         unsigned long rx_chksum_good;
 392         unsigned long rx_chksum_none;
 393         unsigned long tx_chksum_offload;
 394 #define NUM_PORT_STATS          8
 395 };
 396
 397 struct mlx4_en_perf_stats {
 398         u32 tx_poll;
 399         u64 tx_pktsz_avg;
 400         u32 inflight_avg;
 401         u16 tx_coal_avg;
 402         u16 rx_coal_avg;
 403         u32 napi_quota;
 404 #define NUM_PERF_COUNTERS               6
 405 };
 406
 407 struct mlx4_en_frag_info {
 408         u16 frag_size;
 409         u16 frag_prefix_size;
 410         u16 frag_stride;
 411         u16 frag_align;
 412         u16 last_offset;
 413
 414 };
 415
 416 #ifdef CONFIG_MLX4_EN_DCB
 417 /* Minimal TC BW - setting to 0 will block traffic */
 418 #define MLX4_EN_BW_MIN 1
 419 #define MLX4_EN_BW_MAX 100 /* Utilize 100% of the line */
 420
 421 #define MLX4_EN_TC_ETS 7
 422
 423 #endif
 424
 425 struct mlx4_en_priv {
 426         struct mlx4_en_dev *mdev;
 427         struct mlx4_en_port_profile *prof;
 428         struct net_device *dev;
 429         unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
 430         struct net_device_stats stats;
 431         struct net_device_stats ret_stats;
 432         struct mlx4_en_port_state port_state;
 433         spinlock_t stats_lock;
 434
 435         unsigned long last_moder_packets[MAX_RX_RINGS];
 436         unsigned long last_moder_tx_packets;
 437         unsigned long last_moder_bytes[MAX_RX_RINGS];
 438         unsigned long last_moder_jiffies;
 439         int last_moder_time[MAX_RX_RINGS];
 440         u16 rx_usecs;
 441         u16 rx_frames;
 442         u16 tx_usecs;
 443         u16 tx_frames;
 444         u32 pkt_rate_low;
 445         u16 rx_usecs_low;
 446         u32 pkt_rate_high;
 447         u16 rx_usecs_high;
 448         u16 sample_interval;
 449         u16 adaptive_rx_coal;
 450         u32 msg_enable;
 451         u32 loopback_ok;
 452         u32 validate_loopback;
 453
 454         struct mlx4_hwq_resources res;
 455         int link_state;
 456         int last_link_state;
 457         bool port_up;
 458         int port;
 459         int registered;
 460         int allocated;
 461         int stride;
 462         u64 mac;
 463         int mac_index;
 464         unsigned max_mtu;
 465         int base_qpn;
 466
 467         struct mlx4_en_rss_map rss_map;
 468         __be32 ctrl_flags;
 469         u32 flags;
 470 #define MLX4_EN_FLAG_PROMISC    0x1
 471 #define MLX4_EN_FLAG_MC_PROMISC 0x2
 472         u32 tx_ring_num;
 473         u32 rx_ring_num;
 474         u32 rx_skb_size;
 475         struct mlx4_en_frag_info frag_info[MLX4_EN_MAX_RX_FRAGS];
 476         u16 num_frags;
 477         u16 log_rx_info;
 478
 479         struct mlx4_en_tx_ring *tx_ring;
 480         struct mlx4_en_rx_ring rx_ring[MAX_RX_RINGS];
 481         struct mlx4_en_cq *tx_cq;
 482         struct mlx4_en_cq rx_cq[MAX_RX_RINGS];
 483         struct work_struct mcast_task;
 484         struct work_struct mac_task;
 485         struct work_struct watchdog_task;
 486         struct work_struct linkstate_task;
 487         struct delayed_work stats_task;
 488         struct mlx4_en_perf_stats pstats;
 489         struct mlx4_en_pkt_stats pkstats;
 490         struct mlx4_en_port_stats port_stats;
 491         u64 stats_bitmap;
 492         char *mc_addrs;
 493         int mc_addrs_cnt;
 494         struct mlx4_en_stat_out_mbox hw_stats;
 495         int vids[128];
 496         bool wol;
 497         struct device *ddev;
 498         int base_tx_qpn;
 499
 500 #ifdef CONFIG_MLX4_EN_DCB
 501         struct ieee_ets ets;
 502         u16 maxrate[IEEE_8021QAZ_MAX_TCS];
 503 #endif
 504 };
 505
 506 enum mlx4_en_wol {
 507         MLX4_EN_WOL_MAGIC = (1ULL << 61),
 508         MLX4_EN_WOL_ENABLED = (1ULL << 62),
 509 };
 510
 511 #define MLX4_EN_WOL_DO_MODIFY (1ULL << 63)
 512
 513 void mlx4_en_destroy_netdev(struct net_device *dev);
 514 int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
 515                         struct mlx4_en_port_profile *prof);
 516
 517 int mlx4_en_start_port(struct net_device *dev);
 518 void mlx4_en_stop_port(struct net_device *dev);
 519
 520 void mlx4_en_free_resources(struct mlx4_en_priv *priv);
 521 int mlx4_en_alloc_resources(struct mlx4_en_priv *priv);
 522
 523 int mlx4_en_create_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
 524                       int entries, int ring, enum cq_type mode);
 525 void mlx4_en_destroy_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 526 int mlx4_en_activate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq,
 527                         int cq_idx);
 528 void mlx4_en_deactivate_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 529 int mlx4_en_set_cq_moder(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 530 int mlx4_en_arm_cq(struct mlx4_en_priv *priv, struct mlx4_en_cq *cq);
 531
 532 void mlx4_en_tx_irq(struct mlx4_cq *mcq);
 533 u16 mlx4_en_select_queue(struct net_device *dev, struct sk_buff *skb);
 534 netdev_tx_t mlx4_en_xmit(struct sk_buff *skb, struct net_device *dev);
 535
 536 int mlx4_en_create_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring,
 537                            int qpn, u32 size, u16 stride);
 538 void mlx4_en_destroy_tx_ring(struct mlx4_en_priv *priv, struct mlx4_en_tx_ring *ring);
 539 int mlx4_en_activate_tx_ring(struct mlx4_en_priv *priv,
 540                              struct mlx4_en_tx_ring *ring,
 541                              int cq, int user_prio);
 542 void mlx4_en_deactivate_tx_ring(struct mlx4_en_priv *priv,
 543                                 struct mlx4_en_tx_ring *ring);
 544
 545 int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
 546                            struct mlx4_en_rx_ring *ring,
 547                            u32 size, u16 stride);
 548 void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
 549                              struct mlx4_en_rx_ring *ring,
 550                              u32 size, u16 stride);
 551 int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
 552 void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
 553                                 struct mlx4_en_rx_ring *ring);
 554 int mlx4_en_process_rx_cq(struct net_device *dev,
 555                           struct mlx4_en_cq *cq,
 556                           int budget);
 557 int mlx4_en_poll_rx_cq(struct napi_struct *napi, int budget);
 558 void mlx4_en_fill_qp_context(struct mlx4_en_priv *priv, int size, int stride,
 559                 int is_tx, int rss, int qpn, int cqn, int user_prio,
 560                 struct mlx4_qp_context *context);
 561 void mlx4_en_sqp_event(struct mlx4_qp *qp, enum mlx4_event event);
 562 int mlx4_en_map_buffer(struct mlx4_buf *buf);
 563 void mlx4_en_unmap_buffer(struct mlx4_buf *buf);
 564
 565 void mlx4_en_calc_rx_buf(struct net_device *dev);
 566 int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv);
 567 void mlx4_en_release_rss_steer(struct mlx4_en_priv *priv);
 568 int mlx4_en_free_tx_buf(struct net_device *dev, struct mlx4_en_tx_ring *ring);
 569 void mlx4_en_rx_irq(struct mlx4_cq *mcq);
 570
 571 int mlx4_SET_MCAST_FLTR(struct mlx4_dev *dev, u8 port, u64 mac, u64 clear, u8 mode);
 572 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv);
 573
 574 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset);
 575 int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
 576
 577 #ifdef CONFIG_MLX4_EN_DCB
 578 extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops;
 579 #endif
 580
 581 #define MLX4_EN_NUM_SELF_TEST   5
 582 void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
 583 u64 mlx4_en_mac_to_u64(u8 *addr);
 584
 585 /*
 586  * Globals
 587  */
 588 extern const struct ethtool_ops mlx4_en_ethtool_ops;
 589
 590
 591
 592 /*
 593  * printk / logging functions
 594  */
 595
 596 __printf(3, 4)
 597 int en_print(const char *level, const struct mlx4_en_priv *priv,
 598              const char *format, ...);
 599
 600 #define en_dbg(mlevel, priv, format, arg...)                    \
 601 do {                                                            \
 602         if (NETIF_MSG_##mlevel & priv->msg_enable)              \
 603                 en_print(KERN_DEBUG, priv, format, ##arg);      \
 604 } while (0)
 605 #define en_warn(priv, format, arg...)                   \
 606         en_print(KERN_WARNING, priv, format, ##arg)
 607 #define en_err(priv, format, arg...)                    \
 608         en_print(KERN_ERR, priv, format, ##arg)
 609 #define en_info(priv, format, arg...)                   \
 610         en_print(KERN_INFO, priv, format, ## arg)
 611
 612 #define mlx4_err(mdev, format, arg...)                  \
 613         pr_err("%s %s: " format, DRV_NAME,              \
 614                dev_name(&mdev->pdev->dev), ##arg)
 615 #define mlx4_info(mdev, format, arg...)                 \
 616         pr_info("%s %s: " format, DRV_NAME,             \
 617                 dev_name(&mdev->pdev->dev), ##arg)
 618 #define mlx4_warn(mdev, format, arg...)                 \
 619         pr_warning("%s %s: " format, DRV_NAME,          \
 620                    dev_name(&mdev->pdev->dev), ##arg)
 621
 622 #endif