1 /* 2 * Copyright (c) 2007, 2014 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 #include <sys/types.h> 35 #include <linux/if_vlan.h> 36 37 #include <dev/mlx4/device.h> 38 #include <dev/mlx4/cmd.h> 39 40 #include "en_port.h" 41 #include "en.h" 42 43 44 int mlx4_SET_VLAN_FLTR(struct mlx4_dev *dev, struct mlx4_en_priv *priv) 45 { 46 struct mlx4_cmd_mailbox *mailbox; 47 struct mlx4_set_vlan_fltr_mbox *filter; 48 int i; 49 int j; 50 int index = 0; 51 u32 entry; 52 int err = 0; 53 54 mailbox = mlx4_alloc_cmd_mailbox(dev); 55 if (IS_ERR(mailbox)) 56 return PTR_ERR(mailbox); 57 58 filter = mailbox->buf; 59 for (i = VLAN_FLTR_SIZE - 1; i >= 0; i--) { 60 entry = 0; 61 for (j = 0; j < 32; j++) { 62 if (test_bit(index, priv->active_vlans)) 63 entry |= 1 << j; 64 index++; 65 } 66 filter->entry[i] = cpu_to_be32(entry); 67 } 68 err = mlx4_cmd(dev, mailbox->dma, priv->port, 0, MLX4_CMD_SET_VLAN_FLTR, 69 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_WRAPPED); 70 mlx4_free_cmd_mailbox(dev, mailbox); 71 return err; 72 } 73 74 int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port) 75 { 76 struct mlx4_en_query_port_context *qport_context; 77 struct mlx4_en_priv *priv = mlx4_netdev_priv(mdev->pndev[port]); 78 struct mlx4_en_port_state *state = &priv->port_state; 79 struct mlx4_cmd_mailbox *mailbox; 80 int err; 81 82 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); 83 if (IS_ERR(mailbox)) 84 return PTR_ERR(mailbox); 85 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, port, 0, 86 MLX4_CMD_QUERY_PORT, MLX4_CMD_TIME_CLASS_B, 87 MLX4_CMD_WRAPPED); 88 if (err) 89 goto out; 90 qport_context = mailbox->buf; 91 92 /* This command is always accessed from Ethtool context 93 * already synchronized, no need in locking */ 94 state->link_state = !!(qport_context->link_up & MLX4_EN_LINK_UP_MASK); 95 switch (qport_context->link_speed & MLX4_EN_SPEED_MASK) { 96 case MLX4_EN_100M_SPEED: 97 state->link_speed = 100; 98 break; 99 case MLX4_EN_1G_SPEED: 100 state->link_speed = 1000; 101 break; 102 case MLX4_EN_10G_SPEED_XAUI: 103 case MLX4_EN_10G_SPEED_XFI: 104 state->link_speed = 10000; 105 break; 106 case MLX4_EN_20G_SPEED: 107 state->link_speed = 20000; 108 break; 109 case MLX4_EN_40G_SPEED: 110 state->link_speed = 40000; 111 break; 112 case MLX4_EN_56G_SPEED: 113 state->link_speed = 56000; 114 break; 115 default: 116 state->link_speed = -1; 117 break; 118 } 119 120 state->transceiver = qport_context->transceiver; 121 122 state->flags = 0; /* Reset and recalculate the port flags */ 123 state->flags |= (qport_context->link_up & MLX4_EN_ANC_MASK) ? 124 MLX4_EN_PORT_ANC : 0; 125 state->flags |= (qport_context->autoneg & MLX4_EN_AUTONEG_MASK) ? 126 MLX4_EN_PORT_ANE : 0; 127 128 out: 129 mlx4_free_cmd_mailbox(mdev->dev, mailbox); 130 return err; 131 } 132 133 /* Each counter set is located in struct mlx4_en_stat_out_mbox 134 * with a const offset between its prio components. 135 * This function runs over a counter set and sum all of it's prio components. 136 */ 137 static u64 en_stats_adder(__be64 *start, __be64 *next, int num) 138 { 139 __be64 *curr = start; 140 u64 ret = 0; 141 int i; 142 int offset = next - start; 143 144 for (i = 0; i < num; i++) { 145 ret += be64_to_cpu(*curr); 146 curr += offset; 147 } 148 149 return ret; 150 } 151 152 static void mlx4_en_fold_software_stats(if_t dev) 153 { 154 struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); 155 struct mlx4_en_dev *mdev = priv->mdev; 156 u64 packets, bytes; 157 int i; 158 159 if (!priv->port_up || mlx4_is_master(mdev->dev)) 160 return; 161 162 packets = 0; 163 bytes = 0; 164 for (i = 0; i < priv->rx_ring_num; i++) { 165 const struct mlx4_en_rx_ring *ring = priv->rx_ring[i]; 166 167 packets += READ_ONCE(ring->packets); 168 bytes += READ_ONCE(ring->bytes); 169 } 170 priv->pkstats.rx_packets = packets; 171 priv->pkstats.rx_bytes = bytes; 172 173 packets = 0; 174 bytes = 0; 175 for (i = 0; i < priv->tx_ring_num; i++) { 176 const struct mlx4_en_tx_ring *ring = priv->tx_ring[i]; 177 178 packets += READ_ONCE(ring->packets); 179 bytes += READ_ONCE(ring->bytes); 180 } 181 priv->pkstats.tx_packets = packets; 182 priv->pkstats.tx_bytes = bytes; 183 } 184 185 int mlx4_en_DUMP_ETH_STATS(struct mlx4_en_dev *mdev, u8 port, u8 reset) 186 { 187 struct mlx4_counter tmp_vport_stats; 188 struct mlx4_en_stat_out_mbox *mlx4_en_stats; 189 struct mlx4_en_stat_out_flow_control_mbox *flowstats; 190 if_t dev = mdev->pndev[port]; 191 struct mlx4_en_priv *priv = mlx4_netdev_priv(dev); 192 struct mlx4_en_vport_stats *vport_stats = &priv->vport_stats; 193 struct mlx4_cmd_mailbox *mailbox; 194 u64 in_mod = reset << 8 | port; 195 int err; 196 int i, counter_index; 197 198 mailbox = mlx4_alloc_cmd_mailbox(mdev->dev); 199 if (IS_ERR(mailbox)) 200 return PTR_ERR(mailbox); 201 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, in_mod, 0, 202 MLX4_CMD_DUMP_ETH_STATS, MLX4_CMD_TIME_CLASS_B, 203 MLX4_CMD_NATIVE); 204 if (err) 205 goto out; 206 207 mlx4_en_stats = mailbox->buf; 208 209 spin_lock(&priv->stats_lock); 210 211 priv->port_stats.rx_chksum_good = 0; 212 priv->port_stats.rx_chksum_none = 0; 213 for (i = 0; i < priv->rx_ring_num; i++) { 214 priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok; 215 priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none; 216 } 217 priv->port_stats.tx_chksum_offload = 0; 218 priv->port_stats.queue_stopped = 0; 219 priv->port_stats.wake_queue = 0; 220 priv->port_stats.oversized_packets = 0; 221 priv->port_stats.tso_packets = 0; 222 priv->port_stats.defrag_attempts = 0; 223 224 for (i = 0; i < priv->tx_ring_num; i++) { 225 const struct mlx4_en_tx_ring *ring; 226 ring = priv->tx_ring[i]; 227 228 priv->port_stats.tx_chksum_offload += ring->tx_csum; 229 priv->port_stats.queue_stopped += ring->queue_stopped; 230 priv->port_stats.wake_queue += ring->wake_queue; 231 priv->port_stats.oversized_packets += ring->oversized_packets; 232 priv->port_stats.tso_packets += ring->tso_packets; 233 priv->port_stats.defrag_attempts += ring->defrag_attempts; 234 } 235 236 priv->pkstats.rx_errors = 237 be64_to_cpu(mlx4_en_stats->PCS) + 238 be32_to_cpu(mlx4_en_stats->RJBBR) + 239 be32_to_cpu(mlx4_en_stats->RCRC) + 240 be32_to_cpu(mlx4_en_stats->RRUNT) + 241 be64_to_cpu(mlx4_en_stats->RInRangeLengthErr) + 242 be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr) + 243 be32_to_cpu(mlx4_en_stats->RSHORT) + 244 en_stats_adder(&mlx4_en_stats->RGIANT_prio_0, 245 &mlx4_en_stats->RGIANT_prio_1, 246 NUM_PRIORITIES); 247 priv->pkstats.tx_errors = 248 en_stats_adder(&mlx4_en_stats->TGIANT_prio_0, 249 &mlx4_en_stats->TGIANT_prio_1, 250 NUM_PRIORITIES); 251 priv->pkstats.rx_multicast_packets = 252 en_stats_adder(&mlx4_en_stats->MCAST_prio_0, 253 &mlx4_en_stats->MCAST_prio_1, 254 NUM_PRIORITIES); 255 priv->pkstats.rx_dropped = be32_to_cpu(mlx4_en_stats->RDROP); 256 priv->pkstats.rx_length_errors = be32_to_cpu(mlx4_en_stats->RdropLength); 257 priv->pkstats.rx_over_errors = be32_to_cpu(mlx4_en_stats->RdropOvflw); 258 priv->pkstats.rx_crc_errors = be32_to_cpu(mlx4_en_stats->RCRC); 259 priv->pkstats.tx_dropped = be32_to_cpu(mlx4_en_stats->TDROP); 260 261 /* RX stats */ 262 priv->pkstats.rx_packets = en_stats_adder(&mlx4_en_stats->RTOT_prio_0, 263 &mlx4_en_stats->RTOT_prio_1, 264 NUM_PRIORITIES); 265 priv->pkstats.rx_bytes = en_stats_adder(&mlx4_en_stats->ROCT_prio_0, 266 &mlx4_en_stats->ROCT_prio_1, 267 NUM_PRIORITIES); 268 priv->pkstats.rx_broadcast_packets = 269 en_stats_adder(&mlx4_en_stats->RBCAST_prio_0, 270 &mlx4_en_stats->RBCAST_prio_1, 271 NUM_PRIORITIES); 272 priv->pkstats.rx_jabbers = be32_to_cpu(mlx4_en_stats->RJBBR); 273 priv->pkstats.rx_in_range_length_error = 274 be64_to_cpu(mlx4_en_stats->RInRangeLengthErr); 275 priv->pkstats.rx_out_range_length_error = 276 be64_to_cpu(mlx4_en_stats->ROutRangeLengthErr); 277 278 /* Tx stats */ 279 priv->pkstats.tx_packets = en_stats_adder(&mlx4_en_stats->TTOT_prio_0, 280 &mlx4_en_stats->TTOT_prio_1, 281 NUM_PRIORITIES); 282 priv->pkstats.tx_bytes = en_stats_adder(&mlx4_en_stats->TOCT_prio_0, 283 &mlx4_en_stats->TOCT_prio_1, 284 NUM_PRIORITIES); 285 priv->pkstats.tx_multicast_packets = 286 en_stats_adder(&mlx4_en_stats->TMCAST_prio_0, 287 &mlx4_en_stats->TMCAST_prio_1, 288 NUM_PRIORITIES); 289 priv->pkstats.tx_broadcast_packets = 290 en_stats_adder(&mlx4_en_stats->TBCAST_prio_0, 291 &mlx4_en_stats->TBCAST_prio_1, 292 NUM_PRIORITIES); 293 294 priv->pkstats.rx_prio[0][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_0); 295 priv->pkstats.rx_prio[0][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_0); 296 priv->pkstats.rx_prio[1][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_1); 297 priv->pkstats.rx_prio[1][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_1); 298 priv->pkstats.rx_prio[2][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_2); 299 priv->pkstats.rx_prio[2][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_2); 300 priv->pkstats.rx_prio[3][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_3); 301 priv->pkstats.rx_prio[3][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_3); 302 priv->pkstats.rx_prio[4][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_4); 303 priv->pkstats.rx_prio[4][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_4); 304 priv->pkstats.rx_prio[5][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_5); 305 priv->pkstats.rx_prio[5][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_5); 306 priv->pkstats.rx_prio[6][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_6); 307 priv->pkstats.rx_prio[6][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_6); 308 priv->pkstats.rx_prio[7][0] = be64_to_cpu(mlx4_en_stats->RTOT_prio_7); 309 priv->pkstats.rx_prio[7][1] = be64_to_cpu(mlx4_en_stats->ROCT_prio_7); 310 priv->pkstats.rx_prio[8][0] = be64_to_cpu(mlx4_en_stats->RTOT_novlan); 311 priv->pkstats.rx_prio[8][1] = be64_to_cpu(mlx4_en_stats->ROCT_novlan); 312 priv->pkstats.tx_prio[0][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_0); 313 priv->pkstats.tx_prio[0][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_0); 314 priv->pkstats.tx_prio[1][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_1); 315 priv->pkstats.tx_prio[1][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_1); 316 priv->pkstats.tx_prio[2][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_2); 317 priv->pkstats.tx_prio[2][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_2); 318 priv->pkstats.tx_prio[3][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_3); 319 priv->pkstats.tx_prio[3][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_3); 320 priv->pkstats.tx_prio[4][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_4); 321 priv->pkstats.tx_prio[4][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_4); 322 priv->pkstats.tx_prio[5][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_5); 323 priv->pkstats.tx_prio[5][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_5); 324 priv->pkstats.tx_prio[6][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_6); 325 priv->pkstats.tx_prio[6][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_6); 326 priv->pkstats.tx_prio[7][0] = be64_to_cpu(mlx4_en_stats->TTOT_prio_7); 327 priv->pkstats.tx_prio[7][1] = be64_to_cpu(mlx4_en_stats->TOCT_prio_7); 328 priv->pkstats.tx_prio[8][0] = be64_to_cpu(mlx4_en_stats->TTOT_novlan); 329 priv->pkstats.tx_prio[8][1] = be64_to_cpu(mlx4_en_stats->TOCT_novlan); 330 331 mlx4_en_fold_software_stats(dev); 332 333 spin_unlock(&priv->stats_lock); 334 335 memset(&tmp_vport_stats, 0, sizeof(tmp_vport_stats)); 336 counter_index = mlx4_get_default_counter_index(mdev->dev, port); 337 err = mlx4_get_counter_stats(mdev->dev, counter_index, 338 &tmp_vport_stats, reset); 339 340 spin_lock(&priv->stats_lock); 341 if (!err) { 342 /* ethtool stats format */ 343 vport_stats->rx_bytes = be64_to_cpu(tmp_vport_stats.rx_bytes); 344 vport_stats->rx_frames = be64_to_cpu(tmp_vport_stats.rx_frames); 345 vport_stats->tx_bytes = be64_to_cpu(tmp_vport_stats.tx_bytes); 346 vport_stats->tx_frames = be64_to_cpu(tmp_vport_stats.tx_frames); 347 } 348 349 if (reset == 0) { 350 if_inc_counter(dev, IFCOUNTER_IPACKETS, 351 priv->pkstats.rx_packets - priv->pkstats_last.rx_packets); 352 if_inc_counter(dev, IFCOUNTER_OPACKETS, 353 priv->pkstats.tx_packets - priv->pkstats_last.tx_packets); 354 if_inc_counter(dev, IFCOUNTER_IBYTES, 355 priv->pkstats.rx_bytes - priv->pkstats_last.rx_bytes); 356 if_inc_counter(dev, IFCOUNTER_OBYTES, 357 priv->pkstats.tx_bytes - priv->pkstats_last.tx_bytes); 358 if_inc_counter(dev, IFCOUNTER_IERRORS, 359 priv->pkstats.rx_errors - priv->pkstats_last.rx_errors); 360 if_inc_counter(dev, IFCOUNTER_IQDROPS, 361 priv->pkstats.rx_dropped - priv->pkstats_last.rx_dropped); 362 if_inc_counter(dev, IFCOUNTER_IMCASTS, 363 priv->pkstats.rx_multicast_packets - priv->pkstats_last.rx_multicast_packets); 364 if_inc_counter(dev, IFCOUNTER_OMCASTS, 365 priv->pkstats.tx_multicast_packets - priv->pkstats_last.tx_multicast_packets); 366 } 367 priv->pkstats_last = priv->pkstats; 368 369 spin_unlock(&priv->stats_lock); 370 371 /* 0xffs indicates invalid value */ 372 memset(mailbox->buf, 0xff, sizeof(*flowstats) * MLX4_NUM_PRIORITIES); 373 374 if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_FLOWSTATS_EN) { 375 memset(mailbox->buf, 0, 376 sizeof(*flowstats) * MLX4_NUM_PRIORITIES); 377 err = mlx4_cmd_box(mdev->dev, 0, mailbox->dma, 378 in_mod | MLX4_DUMP_ETH_STATS_FLOW_CONTROL, 379 0, MLX4_CMD_DUMP_ETH_STATS, 380 MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); 381 if (err) 382 goto out; 383 } 384 385 flowstats = mailbox->buf; 386 387 spin_lock(&priv->stats_lock); 388 389 for (i = 0; i < MLX4_NUM_PRIORITIES; i++) { 390 priv->rx_priority_flowstats[i].rx_pause = 391 be64_to_cpu(flowstats[i].rx_pause); 392 priv->rx_priority_flowstats[i].rx_pause_duration = 393 be64_to_cpu(flowstats[i].rx_pause_duration); 394 priv->rx_priority_flowstats[i].rx_pause_transition = 395 be64_to_cpu(flowstats[i].rx_pause_transition); 396 priv->tx_priority_flowstats[i].tx_pause = 397 be64_to_cpu(flowstats[i].tx_pause); 398 priv->tx_priority_flowstats[i].tx_pause_duration = 399 be64_to_cpu(flowstats[i].tx_pause_duration); 400 priv->tx_priority_flowstats[i].tx_pause_transition = 401 be64_to_cpu(flowstats[i].tx_pause_transition); 402 } 403 404 /* if pfc is not in use, all priorities counters have the same value */ 405 priv->rx_flowstats.rx_pause = 406 be64_to_cpu(flowstats[0].rx_pause); 407 priv->rx_flowstats.rx_pause_duration = 408 be64_to_cpu(flowstats[0].rx_pause_duration); 409 priv->rx_flowstats.rx_pause_transition = 410 be64_to_cpu(flowstats[0].rx_pause_transition); 411 priv->tx_flowstats.tx_pause = 412 be64_to_cpu(flowstats[0].tx_pause); 413 priv->tx_flowstats.tx_pause_duration = 414 be64_to_cpu(flowstats[0].tx_pause_duration); 415 priv->tx_flowstats.tx_pause_transition = 416 be64_to_cpu(flowstats[0].tx_pause_transition); 417 418 spin_unlock(&priv->stats_lock); 419 420 out: 421 mlx4_free_cmd_mailbox(mdev->dev, mailbox); 422 return err; 423 } 424 425 int mlx4_en_get_vport_stats(struct mlx4_en_dev *mdev, u8 port) 426 { 427 struct mlx4_en_priv *priv = mlx4_netdev_priv(mdev->pndev[port]); 428 struct mlx4_counter tmp_vport_stats; 429 struct mlx4_en_vf_stats *vf_stats = &priv->vf_stats; 430 int err, i, counter_index; 431 432 spin_lock(&priv->stats_lock); 433 434 priv->pkstats.rx_packets = 0; 435 priv->pkstats.rx_bytes = 0; 436 priv->port_stats.rx_chksum_good = 0; 437 priv->port_stats.rx_chksum_none = 0; 438 for (i = 0; i < priv->rx_ring_num; i++) { 439 priv->pkstats.rx_packets += priv->rx_ring[i]->packets; 440 priv->pkstats.rx_bytes += priv->rx_ring[i]->bytes; 441 priv->port_stats.rx_chksum_good += priv->rx_ring[i]->csum_ok; 442 priv->port_stats.rx_chksum_none += priv->rx_ring[i]->csum_none; 443 } 444 priv->pkstats.tx_packets = 0; 445 priv->pkstats.tx_bytes = 0; 446 priv->port_stats.tx_chksum_offload = 0; 447 priv->port_stats.queue_stopped = 0; 448 priv->port_stats.wake_queue = 0; 449 450 for (i = 0; i < priv->tx_ring_num; i++) { 451 const struct mlx4_en_tx_ring *ring = priv->tx_ring[i]; 452 453 priv->pkstats.tx_packets += ring->packets; 454 priv->pkstats.tx_bytes += ring->bytes; 455 priv->port_stats.tx_chksum_offload += ring->tx_csum; 456 priv->port_stats.queue_stopped += ring->queue_stopped; 457 priv->port_stats.wake_queue += ring->wake_queue; 458 priv->port_stats.oversized_packets += priv->tx_ring[i]->oversized_packets; 459 } 460 461 spin_unlock(&priv->stats_lock); 462 463 memset(&tmp_vport_stats, 0, sizeof(tmp_vport_stats)); 464 465 counter_index = mlx4_get_default_counter_index(mdev->dev, port); 466 err = mlx4_get_counter_stats(mdev->dev, counter_index, 467 &tmp_vport_stats, 0); 468 469 if (!err) { 470 spin_lock(&priv->stats_lock); 471 472 vf_stats->rx_bytes = be64_to_cpu(tmp_vport_stats.rx_bytes); 473 vf_stats->rx_frames = be64_to_cpu(tmp_vport_stats.rx_frames); 474 vf_stats->tx_bytes = be64_to_cpu(tmp_vport_stats.tx_bytes); 475 vf_stats->tx_frames = be64_to_cpu(tmp_vport_stats.tx_frames); 476 477 priv->pkstats.rx_packets = vf_stats->rx_frames; 478 priv->pkstats.rx_bytes = vf_stats->rx_bytes; 479 priv->pkstats.tx_packets = vf_stats->tx_frames; 480 priv->pkstats.tx_bytes = vf_stats->tx_bytes; 481 482 /* PF&VFs are not expected to report errors in ifconfig. 483 * rx_errors will be reprted in PF's ethtool statistics, 484 * see: mlx4_en_DUMP_ETH_STATS 485 */ 486 priv->pkstats.rx_errors = 0; 487 priv->pkstats.rx_dropped = 0; 488 priv->pkstats.tx_dropped = 0; 489 priv->pkstats.rx_multicast_packets = 0; 490 491 spin_unlock(&priv->stats_lock); 492 } 493 494 return err; 495 } 496