Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1 | /* |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2 | * Copyright (c) 2015-2016, Mellanox Technologies. All rights reserved. |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 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 | |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 33 | #include <net/tc_act/tc_gact.h> |
| 34 | #include <net/pkt_cls.h> |
Maor Gottlieb | 86d722a | 2015-12-10 17:12:44 +0200 | [diff] [blame] | 35 | #include <linux/mlx5/fs.h> |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 36 | #include <net/vxlan.h> |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 37 | #include "en.h" |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 38 | #include "en_tc.h" |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 39 | #include "eswitch.h" |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 40 | #include "vxlan.h" |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 41 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame^] | 42 | enum { |
| 43 | MLX5_EN_QP_FLUSH_TIMEOUT_MS = 5000, |
| 44 | MLX5_EN_QP_FLUSH_MSLEEP_QUANT = 20, |
| 45 | MLX5_EN_QP_FLUSH_MAX_ITER = MLX5_EN_QP_FLUSH_TIMEOUT_MS / |
| 46 | MLX5_EN_QP_FLUSH_MSLEEP_QUANT, |
| 47 | }; |
| 48 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 49 | struct mlx5e_rq_param { |
| 50 | u32 rqc[MLX5_ST_SZ_DW(rqc)]; |
| 51 | struct mlx5_wq_param wq; |
| 52 | }; |
| 53 | |
| 54 | struct mlx5e_sq_param { |
| 55 | u32 sqc[MLX5_ST_SZ_DW(sqc)]; |
| 56 | struct mlx5_wq_param wq; |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 57 | u16 max_inline; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 58 | bool icosq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | struct mlx5e_cq_param { |
| 62 | u32 cqc[MLX5_ST_SZ_DW(cqc)]; |
| 63 | struct mlx5_wq_param wq; |
| 64 | u16 eq_ix; |
| 65 | }; |
| 66 | |
| 67 | struct mlx5e_channel_param { |
| 68 | struct mlx5e_rq_param rq; |
| 69 | struct mlx5e_sq_param sq; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 70 | struct mlx5e_sq_param icosq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 71 | struct mlx5e_cq_param rx_cq; |
| 72 | struct mlx5e_cq_param tx_cq; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 73 | struct mlx5e_cq_param icosq_cq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 74 | }; |
| 75 | |
| 76 | static void mlx5e_update_carrier(struct mlx5e_priv *priv) |
| 77 | { |
| 78 | struct mlx5_core_dev *mdev = priv->mdev; |
| 79 | u8 port_state; |
| 80 | |
| 81 | port_state = mlx5_query_vport_state(mdev, |
Saeed Mahameed | e754651 | 2015-12-01 18:03:13 +0200 | [diff] [blame] | 82 | MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 83 | |
| 84 | if (port_state == VPORT_STATE_UP) |
| 85 | netif_carrier_on(priv->netdev); |
| 86 | else |
| 87 | netif_carrier_off(priv->netdev); |
| 88 | } |
| 89 | |
| 90 | static void mlx5e_update_carrier_work(struct work_struct *work) |
| 91 | { |
| 92 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, |
| 93 | update_carrier_work); |
| 94 | |
| 95 | mutex_lock(&priv->state_lock); |
| 96 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 97 | mlx5e_update_carrier(priv); |
| 98 | mutex_unlock(&priv->state_lock); |
| 99 | } |
| 100 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 101 | static void mlx5e_update_sw_counters(struct mlx5e_priv *priv) |
Gal Pressman | efea389 | 2015-08-04 14:05:47 +0300 | [diff] [blame] | 102 | { |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 103 | struct mlx5e_sw_stats *s = &priv->stats.sw; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 104 | struct mlx5e_rq_stats *rq_stats; |
| 105 | struct mlx5e_sq_stats *sq_stats; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 106 | u64 tx_offload_none = 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 107 | int i, j; |
| 108 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 109 | memset(s, 0, sizeof(*s)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 110 | for (i = 0; i < priv->params.num_channels; i++) { |
| 111 | rq_stats = &priv->channel[i]->rq.stats; |
| 112 | |
Gal Pressman | faf4478 | 2016-02-29 21:17:15 +0200 | [diff] [blame] | 113 | s->rx_packets += rq_stats->packets; |
| 114 | s->rx_bytes += rq_stats->bytes; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 115 | s->rx_lro_packets += rq_stats->lro_packets; |
| 116 | s->rx_lro_bytes += rq_stats->lro_bytes; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 117 | s->rx_csum_none += rq_stats->csum_none; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 118 | s->rx_csum_complete += rq_stats->csum_complete; |
| 119 | s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 120 | s->rx_wqe_err += rq_stats->wqe_err; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 121 | s->rx_mpwqe_filler += rq_stats->mpwqe_filler; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 122 | s->rx_mpwqe_frag += rq_stats->mpwqe_frag; |
Tariq Toukan | 5498440 | 2016-04-20 22:02:19 +0300 | [diff] [blame] | 123 | s->rx_buff_alloc_err += rq_stats->buff_alloc_err; |
Tariq Toukan | 7219ab3 | 2016-05-11 00:29:14 +0300 | [diff] [blame] | 124 | s->rx_cqe_compress_blks += rq_stats->cqe_compress_blks; |
| 125 | s->rx_cqe_compress_pkts += rq_stats->cqe_compress_pkts; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 126 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 127 | for (j = 0; j < priv->params.num_tc; j++) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 128 | sq_stats = &priv->channel[i]->sq[j].stats; |
| 129 | |
Gal Pressman | faf4478 | 2016-02-29 21:17:15 +0200 | [diff] [blame] | 130 | s->tx_packets += sq_stats->packets; |
| 131 | s->tx_bytes += sq_stats->bytes; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 132 | s->tx_tso_packets += sq_stats->tso_packets; |
| 133 | s->tx_tso_bytes += sq_stats->tso_bytes; |
| 134 | s->tx_tso_inner_packets += sq_stats->tso_inner_packets; |
| 135 | s->tx_tso_inner_bytes += sq_stats->tso_inner_bytes; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 136 | s->tx_queue_stopped += sq_stats->stopped; |
| 137 | s->tx_queue_wake += sq_stats->wake; |
| 138 | s->tx_queue_dropped += sq_stats->dropped; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 139 | s->tx_csum_partial_inner += sq_stats->csum_partial_inner; |
| 140 | tx_offload_none += sq_stats->csum_none; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 141 | } |
| 142 | } |
| 143 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 144 | /* Update calculated offload counters */ |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 145 | s->tx_csum_partial = s->tx_packets - tx_offload_none - s->tx_csum_partial_inner; |
| 146 | s->rx_csum_unnecessary = s->rx_packets - s->rx_csum_none - s->rx_csum_complete; |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 147 | |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 148 | s->link_down_events_phy = MLX5_GET(ppcnt_reg, |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 149 | priv->stats.pport.phy_counters, |
| 150 | counter_set.phys_layer_cntrs.link_down_events); |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 151 | } |
| 152 | |
| 153 | static void mlx5e_update_vport_counters(struct mlx5e_priv *priv) |
| 154 | { |
| 155 | int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); |
| 156 | u32 *out = (u32 *)priv->stats.vport.query_vport_out; |
| 157 | u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)]; |
| 158 | struct mlx5_core_dev *mdev = priv->mdev; |
| 159 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 160 | memset(in, 0, sizeof(in)); |
| 161 | |
| 162 | MLX5_SET(query_vport_counter_in, in, opcode, |
| 163 | MLX5_CMD_OP_QUERY_VPORT_COUNTER); |
| 164 | MLX5_SET(query_vport_counter_in, in, op_mod, 0); |
| 165 | MLX5_SET(query_vport_counter_in, in, other_vport, 0); |
| 166 | |
| 167 | memset(out, 0, outlen); |
| 168 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 169 | mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen); |
| 170 | } |
| 171 | |
| 172 | static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) |
| 173 | { |
| 174 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
| 175 | struct mlx5_core_dev *mdev = priv->mdev; |
| 176 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); |
Gal Pressman | cf67857 | 2016-04-24 22:51:49 +0300 | [diff] [blame] | 177 | int prio; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 178 | void *out; |
| 179 | u32 *in; |
| 180 | |
| 181 | in = mlx5_vzalloc(sz); |
| 182 | if (!in) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 183 | goto free_out; |
| 184 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 185 | MLX5_SET(ppcnt_reg, in, local_port, 1); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 186 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 187 | out = pstats->IEEE_802_3_counters; |
| 188 | MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); |
| 189 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 190 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 191 | out = pstats->RFC_2863_counters; |
| 192 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); |
| 193 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 194 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 195 | out = pstats->RFC_2819_counters; |
| 196 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); |
| 197 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 198 | |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 199 | out = pstats->phy_counters; |
| 200 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP); |
| 201 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); |
| 202 | |
Gal Pressman | cf67857 | 2016-04-24 22:51:49 +0300 | [diff] [blame] | 203 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP); |
| 204 | for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { |
| 205 | out = pstats->per_prio_counters[prio]; |
| 206 | MLX5_SET(ppcnt_reg, in, prio_tc, prio); |
| 207 | mlx5_core_access_reg(mdev, in, sz, out, sz, |
| 208 | MLX5_REG_PPCNT, 0, 0); |
| 209 | } |
| 210 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 211 | free_out: |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 212 | kvfree(in); |
| 213 | } |
| 214 | |
| 215 | static void mlx5e_update_q_counter(struct mlx5e_priv *priv) |
| 216 | { |
| 217 | struct mlx5e_qcounter_stats *qcnt = &priv->stats.qcnt; |
| 218 | |
| 219 | if (!priv->q_counter) |
| 220 | return; |
| 221 | |
| 222 | mlx5_core_query_out_of_buffer(priv->mdev, priv->q_counter, |
| 223 | &qcnt->rx_out_of_buffer); |
| 224 | } |
| 225 | |
| 226 | void mlx5e_update_stats(struct mlx5e_priv *priv) |
| 227 | { |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 228 | mlx5e_update_q_counter(priv); |
| 229 | mlx5e_update_vport_counters(priv); |
| 230 | mlx5e_update_pport_counters(priv); |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 231 | mlx5e_update_sw_counters(priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | static void mlx5e_update_stats_work(struct work_struct *work) |
| 235 | { |
| 236 | struct delayed_work *dwork = to_delayed_work(work); |
| 237 | struct mlx5e_priv *priv = container_of(dwork, struct mlx5e_priv, |
| 238 | update_stats_work); |
| 239 | mutex_lock(&priv->state_lock); |
| 240 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { |
| 241 | mlx5e_update_stats(priv); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 242 | queue_delayed_work(priv->wq, dwork, |
| 243 | msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 244 | } |
| 245 | mutex_unlock(&priv->state_lock); |
| 246 | } |
| 247 | |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 248 | static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, |
| 249 | enum mlx5_dev_event event, unsigned long param) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 250 | { |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 251 | struct mlx5e_priv *priv = vpriv; |
| 252 | |
Eli Cohen | e0f46eb | 2016-06-27 12:08:34 +0300 | [diff] [blame] | 253 | if (!test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state)) |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 254 | return; |
| 255 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 256 | switch (event) { |
| 257 | case MLX5_DEV_EVENT_PORT_UP: |
| 258 | case MLX5_DEV_EVENT_PORT_DOWN: |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 259 | queue_work(priv->wq, &priv->update_carrier_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 260 | break; |
| 261 | |
| 262 | default: |
| 263 | break; |
| 264 | } |
| 265 | } |
| 266 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 267 | static void mlx5e_enable_async_events(struct mlx5e_priv *priv) |
| 268 | { |
Eli Cohen | e0f46eb | 2016-06-27 12:08:34 +0300 | [diff] [blame] | 269 | set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 270 | } |
| 271 | |
| 272 | static void mlx5e_disable_async_events(struct mlx5e_priv *priv) |
| 273 | { |
Eli Cohen | e0f46eb | 2016-06-27 12:08:34 +0300 | [diff] [blame] | 274 | clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 275 | synchronize_irq(mlx5_get_msix_vec(priv->mdev, MLX5_EQ_VEC_ASYNC)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 276 | } |
| 277 | |
Saeed Mahameed | facc969 | 2015-06-11 14:47:27 +0300 | [diff] [blame] | 278 | #define MLX5E_HW2SW_MTU(hwmtu) (hwmtu - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) |
| 279 | #define MLX5E_SW2HW_MTU(swmtu) (swmtu + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) |
| 280 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 281 | static int mlx5e_create_rq(struct mlx5e_channel *c, |
| 282 | struct mlx5e_rq_param *param, |
| 283 | struct mlx5e_rq *rq) |
| 284 | { |
| 285 | struct mlx5e_priv *priv = c->priv; |
| 286 | struct mlx5_core_dev *mdev = priv->mdev; |
| 287 | void *rqc = param->rqc; |
| 288 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 289 | u32 byte_count; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 290 | int wq_sz; |
| 291 | int err; |
| 292 | int i; |
| 293 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 294 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
| 295 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 296 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, |
| 297 | &rq->wq_ctrl); |
| 298 | if (err) |
| 299 | return err; |
| 300 | |
| 301 | rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; |
| 302 | |
| 303 | wq_sz = mlx5_wq_ll_get_size(&rq->wq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 304 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 305 | switch (priv->params.rq_wq_type) { |
| 306 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 307 | rq->wqe_info = kzalloc_node(wq_sz * sizeof(*rq->wqe_info), |
| 308 | GFP_KERNEL, cpu_to_node(c->cpu)); |
| 309 | if (!rq->wqe_info) { |
| 310 | err = -ENOMEM; |
| 311 | goto err_rq_wq_destroy; |
| 312 | } |
| 313 | rq->handle_rx_cqe = mlx5e_handle_rx_cqe_mpwrq; |
| 314 | rq->alloc_wqe = mlx5e_alloc_rx_mpwqe; |
| 315 | |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 316 | rq->mpwqe_stride_sz = BIT(priv->params.mpwqe_log_stride_sz); |
| 317 | rq->mpwqe_num_strides = BIT(priv->params.mpwqe_log_num_strides); |
| 318 | rq->wqe_sz = rq->mpwqe_stride_sz * rq->mpwqe_num_strides; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 319 | byte_count = rq->wqe_sz; |
| 320 | break; |
| 321 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 322 | rq->skb = kzalloc_node(wq_sz * sizeof(*rq->skb), GFP_KERNEL, |
| 323 | cpu_to_node(c->cpu)); |
| 324 | if (!rq->skb) { |
| 325 | err = -ENOMEM; |
| 326 | goto err_rq_wq_destroy; |
| 327 | } |
| 328 | rq->handle_rx_cqe = mlx5e_handle_rx_cqe; |
| 329 | rq->alloc_wqe = mlx5e_alloc_rx_wqe; |
| 330 | |
| 331 | rq->wqe_sz = (priv->params.lro_en) ? |
| 332 | priv->params.lro_wqe_sz : |
| 333 | MLX5E_SW2HW_MTU(priv->netdev->mtu); |
Tariq Toukan | c5adb96 | 2016-04-20 22:02:16 +0300 | [diff] [blame] | 334 | rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz); |
| 335 | byte_count = rq->wqe_sz; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 336 | byte_count |= MLX5_HW_START_PADDING; |
| 337 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 338 | |
| 339 | for (i = 0; i < wq_sz; i++) { |
| 340 | struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); |
| 341 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 342 | wqe->data.byte_count = cpu_to_be32(byte_count); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 343 | } |
| 344 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 345 | rq->wq_type = priv->params.rq_wq_type; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 346 | rq->pdev = c->pdev; |
| 347 | rq->netdev = c->netdev; |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 348 | rq->tstamp = &priv->tstamp; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 349 | rq->channel = c; |
| 350 | rq->ix = c->ix; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 351 | rq->priv = c->priv; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 352 | rq->mkey_be = c->mkey_be; |
| 353 | rq->umr_mkey_be = cpu_to_be32(c->priv->umr_mkey.key); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 354 | |
| 355 | return 0; |
| 356 | |
| 357 | err_rq_wq_destroy: |
| 358 | mlx5_wq_destroy(&rq->wq_ctrl); |
| 359 | |
| 360 | return err; |
| 361 | } |
| 362 | |
| 363 | static void mlx5e_destroy_rq(struct mlx5e_rq *rq) |
| 364 | { |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 365 | switch (rq->wq_type) { |
| 366 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 367 | kfree(rq->wqe_info); |
| 368 | break; |
| 369 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 370 | kfree(rq->skb); |
| 371 | } |
| 372 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 373 | mlx5_wq_destroy(&rq->wq_ctrl); |
| 374 | } |
| 375 | |
| 376 | static int mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) |
| 377 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 378 | struct mlx5e_priv *priv = rq->priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 379 | struct mlx5_core_dev *mdev = priv->mdev; |
| 380 | |
| 381 | void *in; |
| 382 | void *rqc; |
| 383 | void *wq; |
| 384 | int inlen; |
| 385 | int err; |
| 386 | |
| 387 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + |
| 388 | sizeof(u64) * rq->wq_ctrl.buf.npages; |
| 389 | in = mlx5_vzalloc(inlen); |
| 390 | if (!in) |
| 391 | return -ENOMEM; |
| 392 | |
| 393 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); |
| 394 | wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 395 | |
| 396 | memcpy(rqc, param->rqc, sizeof(param->rqc)); |
| 397 | |
Achiad Shochat | 97de9f3 | 2015-07-29 15:05:43 +0300 | [diff] [blame] | 398 | MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 399 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); |
| 400 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 401 | MLX5_SET(rqc, rqc, vsd, priv->params.vlan_strip_disable); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 402 | MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - |
Achiad Shochat | 68cdf5d | 2015-07-29 15:05:40 +0300 | [diff] [blame] | 403 | MLX5_ADAPTER_PAGE_SHIFT); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 404 | MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); |
| 405 | |
| 406 | mlx5_fill_page_array(&rq->wq_ctrl.buf, |
| 407 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); |
| 408 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 409 | err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 410 | |
| 411 | kvfree(in); |
| 412 | |
| 413 | return err; |
| 414 | } |
| 415 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 416 | static int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, |
| 417 | int next_state) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 418 | { |
| 419 | struct mlx5e_channel *c = rq->channel; |
| 420 | struct mlx5e_priv *priv = c->priv; |
| 421 | struct mlx5_core_dev *mdev = priv->mdev; |
| 422 | |
| 423 | void *in; |
| 424 | void *rqc; |
| 425 | int inlen; |
| 426 | int err; |
| 427 | |
| 428 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); |
| 429 | in = mlx5_vzalloc(inlen); |
| 430 | if (!in) |
| 431 | return -ENOMEM; |
| 432 | |
| 433 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); |
| 434 | |
| 435 | MLX5_SET(modify_rq_in, in, rq_state, curr_state); |
| 436 | MLX5_SET(rqc, rqc, state, next_state); |
| 437 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 438 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 439 | |
| 440 | kvfree(in); |
| 441 | |
| 442 | return err; |
| 443 | } |
| 444 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 445 | static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd) |
| 446 | { |
| 447 | struct mlx5e_channel *c = rq->channel; |
| 448 | struct mlx5e_priv *priv = c->priv; |
| 449 | struct mlx5_core_dev *mdev = priv->mdev; |
| 450 | |
| 451 | void *in; |
| 452 | void *rqc; |
| 453 | int inlen; |
| 454 | int err; |
| 455 | |
| 456 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); |
| 457 | in = mlx5_vzalloc(inlen); |
| 458 | if (!in) |
| 459 | return -ENOMEM; |
| 460 | |
| 461 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); |
| 462 | |
| 463 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); |
| 464 | MLX5_SET64(modify_rq_in, in, modify_bitmask, MLX5_RQ_BITMASK_VSD); |
| 465 | MLX5_SET(rqc, rqc, vsd, vsd); |
| 466 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); |
| 467 | |
| 468 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
| 469 | |
| 470 | kvfree(in); |
| 471 | |
| 472 | return err; |
| 473 | } |
| 474 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 475 | static void mlx5e_disable_rq(struct mlx5e_rq *rq) |
| 476 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 477 | mlx5_core_destroy_rq(rq->priv->mdev, rq->rqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) |
| 481 | { |
Achiad Shochat | 01c196a | 2015-11-03 08:07:19 +0200 | [diff] [blame] | 482 | unsigned long exp_time = jiffies + msecs_to_jiffies(20000); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 483 | struct mlx5e_channel *c = rq->channel; |
| 484 | struct mlx5e_priv *priv = c->priv; |
| 485 | struct mlx5_wq_ll *wq = &rq->wq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 486 | |
Achiad Shochat | 01c196a | 2015-11-03 08:07:19 +0200 | [diff] [blame] | 487 | while (time_before(jiffies, exp_time)) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 488 | if (wq->cur_sz >= priv->params.min_rx_wqes) |
| 489 | return 0; |
| 490 | |
| 491 | msleep(20); |
| 492 | } |
| 493 | |
| 494 | return -ETIMEDOUT; |
| 495 | } |
| 496 | |
| 497 | static int mlx5e_open_rq(struct mlx5e_channel *c, |
| 498 | struct mlx5e_rq_param *param, |
| 499 | struct mlx5e_rq *rq) |
| 500 | { |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 501 | struct mlx5e_sq *sq = &c->icosq; |
| 502 | u16 pi = sq->pc & sq->wq.sz_m1; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 503 | int err; |
| 504 | |
| 505 | err = mlx5e_create_rq(c, param, rq); |
| 506 | if (err) |
| 507 | return err; |
| 508 | |
| 509 | err = mlx5e_enable_rq(rq, param); |
| 510 | if (err) |
| 511 | goto err_destroy_rq; |
| 512 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 513 | err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 514 | if (err) |
| 515 | goto err_disable_rq; |
| 516 | |
| 517 | set_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 518 | |
| 519 | sq->ico_wqe_info[pi].opcode = MLX5_OPCODE_NOP; |
| 520 | sq->ico_wqe_info[pi].num_wqebbs = 1; |
| 521 | mlx5e_send_nop(sq, true); /* trigger mlx5e_post_rx_wqes() */ |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 522 | |
| 523 | return 0; |
| 524 | |
| 525 | err_disable_rq: |
| 526 | mlx5e_disable_rq(rq); |
| 527 | err_destroy_rq: |
| 528 | mlx5e_destroy_rq(rq); |
| 529 | |
| 530 | return err; |
| 531 | } |
| 532 | |
| 533 | static void mlx5e_close_rq(struct mlx5e_rq *rq) |
| 534 | { |
| 535 | clear_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); |
| 536 | napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ |
| 537 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 538 | mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 539 | while (!mlx5_wq_ll_is_empty(&rq->wq)) |
| 540 | msleep(20); |
| 541 | |
| 542 | /* avoid destroying rq before mlx5e_poll_rx_cq() is done with it */ |
| 543 | napi_synchronize(&rq->channel->napi); |
| 544 | |
| 545 | mlx5e_disable_rq(rq); |
| 546 | mlx5e_destroy_rq(rq); |
| 547 | } |
| 548 | |
| 549 | static void mlx5e_free_sq_db(struct mlx5e_sq *sq) |
| 550 | { |
Achiad Shochat | 34802a4 | 2015-12-29 14:58:29 +0200 | [diff] [blame] | 551 | kfree(sq->wqe_info); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 552 | kfree(sq->dma_fifo); |
| 553 | kfree(sq->skb); |
| 554 | } |
| 555 | |
| 556 | static int mlx5e_alloc_sq_db(struct mlx5e_sq *sq, int numa) |
| 557 | { |
| 558 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); |
| 559 | int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; |
| 560 | |
| 561 | sq->skb = kzalloc_node(wq_sz * sizeof(*sq->skb), GFP_KERNEL, numa); |
| 562 | sq->dma_fifo = kzalloc_node(df_sz * sizeof(*sq->dma_fifo), GFP_KERNEL, |
| 563 | numa); |
Achiad Shochat | 34802a4 | 2015-12-29 14:58:29 +0200 | [diff] [blame] | 564 | sq->wqe_info = kzalloc_node(wq_sz * sizeof(*sq->wqe_info), GFP_KERNEL, |
| 565 | numa); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 566 | |
Achiad Shochat | 34802a4 | 2015-12-29 14:58:29 +0200 | [diff] [blame] | 567 | if (!sq->skb || !sq->dma_fifo || !sq->wqe_info) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 568 | mlx5e_free_sq_db(sq); |
| 569 | return -ENOMEM; |
| 570 | } |
| 571 | |
| 572 | sq->dma_fifo_mask = df_sz - 1; |
| 573 | |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | static int mlx5e_create_sq(struct mlx5e_channel *c, |
| 578 | int tc, |
| 579 | struct mlx5e_sq_param *param, |
| 580 | struct mlx5e_sq *sq) |
| 581 | { |
| 582 | struct mlx5e_priv *priv = c->priv; |
| 583 | struct mlx5_core_dev *mdev = priv->mdev; |
| 584 | |
| 585 | void *sqc = param->sqc; |
| 586 | void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 587 | int err; |
| 588 | |
Gal Pressman | fd4782c | 2016-06-27 12:08:35 +0300 | [diff] [blame] | 589 | err = mlx5_alloc_map_uar(mdev, &sq->uar, !!MLX5_CAP_GEN(mdev, bf)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 590 | if (err) |
| 591 | return err; |
| 592 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 593 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
| 594 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 595 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, |
| 596 | &sq->wq_ctrl); |
| 597 | if (err) |
| 598 | goto err_unmap_free_uar; |
| 599 | |
| 600 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; |
Moshe Lazer | 0ba4224 | 2016-03-02 00:13:40 +0200 | [diff] [blame] | 601 | if (sq->uar.bf_map) { |
| 602 | set_bit(MLX5E_SQ_STATE_BF_ENABLE, &sq->state); |
| 603 | sq->uar_map = sq->uar.bf_map; |
| 604 | } else { |
| 605 | sq->uar_map = sq->uar.map; |
| 606 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 607 | sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 608 | sq->max_inline = param->max_inline; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 609 | |
Dan Carpenter | 7ec0bb2 | 2015-06-11 11:50:01 +0300 | [diff] [blame] | 610 | err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu)); |
| 611 | if (err) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 612 | goto err_sq_wq_destroy; |
| 613 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 614 | if (param->icosq) { |
| 615 | u8 wq_sz = mlx5_wq_cyc_get_size(&sq->wq); |
| 616 | |
| 617 | sq->ico_wqe_info = kzalloc_node(sizeof(*sq->ico_wqe_info) * |
| 618 | wq_sz, |
| 619 | GFP_KERNEL, |
| 620 | cpu_to_node(c->cpu)); |
| 621 | if (!sq->ico_wqe_info) { |
| 622 | err = -ENOMEM; |
| 623 | goto err_free_sq_db; |
| 624 | } |
| 625 | } else { |
| 626 | int txq_ix; |
| 627 | |
| 628 | txq_ix = c->ix + tc * priv->params.num_channels; |
| 629 | sq->txq = netdev_get_tx_queue(priv->netdev, txq_ix); |
| 630 | priv->txq_to_sq_map[txq_ix] = sq; |
| 631 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 632 | |
Achiad Shochat | 88a85f9 | 2015-07-23 23:35:59 +0300 | [diff] [blame] | 633 | sq->pdev = c->pdev; |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 634 | sq->tstamp = &priv->tstamp; |
Achiad Shochat | 88a85f9 | 2015-07-23 23:35:59 +0300 | [diff] [blame] | 635 | sq->mkey_be = c->mkey_be; |
| 636 | sq->channel = c; |
| 637 | sq->tc = tc; |
| 638 | sq->edge = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS; |
| 639 | sq->bf_budget = MLX5E_SQ_BF_BUDGET; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 640 | |
| 641 | return 0; |
| 642 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 643 | err_free_sq_db: |
| 644 | mlx5e_free_sq_db(sq); |
| 645 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 646 | err_sq_wq_destroy: |
| 647 | mlx5_wq_destroy(&sq->wq_ctrl); |
| 648 | |
| 649 | err_unmap_free_uar: |
| 650 | mlx5_unmap_free_uar(mdev, &sq->uar); |
| 651 | |
| 652 | return err; |
| 653 | } |
| 654 | |
| 655 | static void mlx5e_destroy_sq(struct mlx5e_sq *sq) |
| 656 | { |
| 657 | struct mlx5e_channel *c = sq->channel; |
| 658 | struct mlx5e_priv *priv = c->priv; |
| 659 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 660 | kfree(sq->ico_wqe_info); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 661 | mlx5e_free_sq_db(sq); |
| 662 | mlx5_wq_destroy(&sq->wq_ctrl); |
| 663 | mlx5_unmap_free_uar(priv->mdev, &sq->uar); |
| 664 | } |
| 665 | |
| 666 | static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param) |
| 667 | { |
| 668 | struct mlx5e_channel *c = sq->channel; |
| 669 | struct mlx5e_priv *priv = c->priv; |
| 670 | struct mlx5_core_dev *mdev = priv->mdev; |
| 671 | |
| 672 | void *in; |
| 673 | void *sqc; |
| 674 | void *wq; |
| 675 | int inlen; |
| 676 | int err; |
| 677 | |
| 678 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + |
| 679 | sizeof(u64) * sq->wq_ctrl.buf.npages; |
| 680 | in = mlx5_vzalloc(inlen); |
| 681 | if (!in) |
| 682 | return -ENOMEM; |
| 683 | |
| 684 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); |
| 685 | wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 686 | |
| 687 | memcpy(sqc, param->sqc, sizeof(param->sqc)); |
| 688 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 689 | MLX5_SET(sqc, sqc, tis_num_0, param->icosq ? 0 : priv->tisn[sq->tc]); |
| 690 | MLX5_SET(sqc, sqc, cqn, sq->cq.mcq.cqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 691 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 692 | MLX5_SET(sqc, sqc, tis_lst_sz, param->icosq ? 0 : 1); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 693 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); |
| 694 | |
| 695 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); |
| 696 | MLX5_SET(wq, wq, uar_page, sq->uar.index); |
| 697 | MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift - |
Achiad Shochat | 68cdf5d | 2015-07-29 15:05:40 +0300 | [diff] [blame] | 698 | MLX5_ADAPTER_PAGE_SHIFT); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 699 | MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma); |
| 700 | |
| 701 | mlx5_fill_page_array(&sq->wq_ctrl.buf, |
| 702 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); |
| 703 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 704 | err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 705 | |
| 706 | kvfree(in); |
| 707 | |
| 708 | return err; |
| 709 | } |
| 710 | |
| 711 | static int mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state) |
| 712 | { |
| 713 | struct mlx5e_channel *c = sq->channel; |
| 714 | struct mlx5e_priv *priv = c->priv; |
| 715 | struct mlx5_core_dev *mdev = priv->mdev; |
| 716 | |
| 717 | void *in; |
| 718 | void *sqc; |
| 719 | int inlen; |
| 720 | int err; |
| 721 | |
| 722 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); |
| 723 | in = mlx5_vzalloc(inlen); |
| 724 | if (!in) |
| 725 | return -ENOMEM; |
| 726 | |
| 727 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); |
| 728 | |
| 729 | MLX5_SET(modify_sq_in, in, sq_state, curr_state); |
| 730 | MLX5_SET(sqc, sqc, state, next_state); |
| 731 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 732 | err = mlx5_core_modify_sq(mdev, sq->sqn, in, inlen); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 733 | |
| 734 | kvfree(in); |
| 735 | |
| 736 | return err; |
| 737 | } |
| 738 | |
| 739 | static void mlx5e_disable_sq(struct mlx5e_sq *sq) |
| 740 | { |
| 741 | struct mlx5e_channel *c = sq->channel; |
| 742 | struct mlx5e_priv *priv = c->priv; |
| 743 | struct mlx5_core_dev *mdev = priv->mdev; |
| 744 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 745 | mlx5_core_destroy_sq(mdev, sq->sqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 746 | } |
| 747 | |
| 748 | static int mlx5e_open_sq(struct mlx5e_channel *c, |
| 749 | int tc, |
| 750 | struct mlx5e_sq_param *param, |
| 751 | struct mlx5e_sq *sq) |
| 752 | { |
| 753 | int err; |
| 754 | |
| 755 | err = mlx5e_create_sq(c, tc, param, sq); |
| 756 | if (err) |
| 757 | return err; |
| 758 | |
| 759 | err = mlx5e_enable_sq(sq, param); |
| 760 | if (err) |
| 761 | goto err_destroy_sq; |
| 762 | |
| 763 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY); |
| 764 | if (err) |
| 765 | goto err_disable_sq; |
| 766 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 767 | if (sq->txq) { |
| 768 | set_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); |
| 769 | netdev_tx_reset_queue(sq->txq); |
| 770 | netif_tx_start_queue(sq->txq); |
| 771 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 772 | |
| 773 | return 0; |
| 774 | |
| 775 | err_disable_sq: |
| 776 | mlx5e_disable_sq(sq); |
| 777 | err_destroy_sq: |
| 778 | mlx5e_destroy_sq(sq); |
| 779 | |
| 780 | return err; |
| 781 | } |
| 782 | |
| 783 | static inline void netif_tx_disable_queue(struct netdev_queue *txq) |
| 784 | { |
| 785 | __netif_tx_lock_bh(txq); |
| 786 | netif_tx_stop_queue(txq); |
| 787 | __netif_tx_unlock_bh(txq); |
| 788 | } |
| 789 | |
| 790 | static void mlx5e_close_sq(struct mlx5e_sq *sq) |
| 791 | { |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame^] | 792 | int tout = 0; |
| 793 | int err; |
| 794 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 795 | if (sq->txq) { |
| 796 | clear_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); |
| 797 | /* prevent netif_tx_wake_queue */ |
| 798 | napi_synchronize(&sq->channel->napi); |
| 799 | netif_tx_disable_queue(sq->txq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 800 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 801 | /* ensure hw is notified of all pending wqes */ |
| 802 | if (mlx5e_sq_has_room_for(sq, 1)) |
| 803 | mlx5e_send_nop(sq, true); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 804 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame^] | 805 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, |
| 806 | MLX5_SQC_STATE_ERR); |
| 807 | if (err) |
| 808 | set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 809 | } |
| 810 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame^] | 811 | /* wait till sq is empty, unless a TX timeout occurred on this SQ */ |
| 812 | while (sq->cc != sq->pc && |
| 813 | !test_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state)) { |
| 814 | msleep(MLX5_EN_QP_FLUSH_MSLEEP_QUANT); |
| 815 | if (tout++ > MLX5_EN_QP_FLUSH_MAX_ITER) |
| 816 | set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); |
| 817 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 818 | |
| 819 | /* avoid destroying sq before mlx5e_poll_tx_cq() is done with it */ |
| 820 | napi_synchronize(&sq->channel->napi); |
| 821 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame^] | 822 | mlx5e_free_tx_descs(sq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 823 | mlx5e_disable_sq(sq); |
| 824 | mlx5e_destroy_sq(sq); |
| 825 | } |
| 826 | |
| 827 | static int mlx5e_create_cq(struct mlx5e_channel *c, |
| 828 | struct mlx5e_cq_param *param, |
| 829 | struct mlx5e_cq *cq) |
| 830 | { |
| 831 | struct mlx5e_priv *priv = c->priv; |
| 832 | struct mlx5_core_dev *mdev = priv->mdev; |
| 833 | struct mlx5_core_cq *mcq = &cq->mcq; |
| 834 | int eqn_not_used; |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 835 | unsigned int irqn; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 836 | int err; |
| 837 | u32 i; |
| 838 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 839 | param->wq.buf_numa_node = cpu_to_node(c->cpu); |
| 840 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 841 | param->eq_ix = c->ix; |
| 842 | |
| 843 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, |
| 844 | &cq->wq_ctrl); |
| 845 | if (err) |
| 846 | return err; |
| 847 | |
| 848 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); |
| 849 | |
| 850 | cq->napi = &c->napi; |
| 851 | |
| 852 | mcq->cqe_sz = 64; |
| 853 | mcq->set_ci_db = cq->wq_ctrl.db.db; |
| 854 | mcq->arm_db = cq->wq_ctrl.db.db + 1; |
| 855 | *mcq->set_ci_db = 0; |
| 856 | *mcq->arm_db = 0; |
| 857 | mcq->vector = param->eq_ix; |
| 858 | mcq->comp = mlx5e_completion_event; |
| 859 | mcq->event = mlx5e_cq_error_event; |
| 860 | mcq->irqn = irqn; |
| 861 | mcq->uar = &priv->cq_uar; |
| 862 | |
| 863 | for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { |
| 864 | struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); |
| 865 | |
| 866 | cqe->op_own = 0xf1; |
| 867 | } |
| 868 | |
| 869 | cq->channel = c; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 870 | cq->priv = priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 871 | |
| 872 | return 0; |
| 873 | } |
| 874 | |
| 875 | static void mlx5e_destroy_cq(struct mlx5e_cq *cq) |
| 876 | { |
| 877 | mlx5_wq_destroy(&cq->wq_ctrl); |
| 878 | } |
| 879 | |
| 880 | static int mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param) |
| 881 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 882 | struct mlx5e_priv *priv = cq->priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 883 | struct mlx5_core_dev *mdev = priv->mdev; |
| 884 | struct mlx5_core_cq *mcq = &cq->mcq; |
| 885 | |
| 886 | void *in; |
| 887 | void *cqc; |
| 888 | int inlen; |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 889 | unsigned int irqn_not_used; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 890 | int eqn; |
| 891 | int err; |
| 892 | |
| 893 | inlen = MLX5_ST_SZ_BYTES(create_cq_in) + |
| 894 | sizeof(u64) * cq->wq_ctrl.buf.npages; |
| 895 | in = mlx5_vzalloc(inlen); |
| 896 | if (!in) |
| 897 | return -ENOMEM; |
| 898 | |
| 899 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); |
| 900 | |
| 901 | memcpy(cqc, param->cqc, sizeof(param->cqc)); |
| 902 | |
| 903 | mlx5_fill_page_array(&cq->wq_ctrl.buf, |
| 904 | (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas)); |
| 905 | |
| 906 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); |
| 907 | |
| 908 | MLX5_SET(cqc, cqc, c_eqn, eqn); |
| 909 | MLX5_SET(cqc, cqc, uar_page, mcq->uar->index); |
| 910 | MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift - |
Achiad Shochat | 68cdf5d | 2015-07-29 15:05:40 +0300 | [diff] [blame] | 911 | MLX5_ADAPTER_PAGE_SHIFT); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 912 | MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); |
| 913 | |
| 914 | err = mlx5_core_create_cq(mdev, mcq, in, inlen); |
| 915 | |
| 916 | kvfree(in); |
| 917 | |
| 918 | if (err) |
| 919 | return err; |
| 920 | |
| 921 | mlx5e_cq_arm(cq); |
| 922 | |
| 923 | return 0; |
| 924 | } |
| 925 | |
| 926 | static void mlx5e_disable_cq(struct mlx5e_cq *cq) |
| 927 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 928 | struct mlx5e_priv *priv = cq->priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 929 | struct mlx5_core_dev *mdev = priv->mdev; |
| 930 | |
| 931 | mlx5_core_destroy_cq(mdev, &cq->mcq); |
| 932 | } |
| 933 | |
| 934 | static int mlx5e_open_cq(struct mlx5e_channel *c, |
| 935 | struct mlx5e_cq_param *param, |
| 936 | struct mlx5e_cq *cq, |
| 937 | u16 moderation_usecs, |
| 938 | u16 moderation_frames) |
| 939 | { |
| 940 | int err; |
| 941 | struct mlx5e_priv *priv = c->priv; |
| 942 | struct mlx5_core_dev *mdev = priv->mdev; |
| 943 | |
| 944 | err = mlx5e_create_cq(c, param, cq); |
| 945 | if (err) |
| 946 | return err; |
| 947 | |
| 948 | err = mlx5e_enable_cq(cq, param); |
| 949 | if (err) |
| 950 | goto err_destroy_cq; |
| 951 | |
Gal Pressman | 7524a5d | 2016-03-02 00:13:37 +0200 | [diff] [blame] | 952 | if (MLX5_CAP_GEN(mdev, cq_moderation)) |
| 953 | mlx5_core_modify_cq_moderation(mdev, &cq->mcq, |
| 954 | moderation_usecs, |
| 955 | moderation_frames); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 956 | return 0; |
| 957 | |
| 958 | err_destroy_cq: |
| 959 | mlx5e_destroy_cq(cq); |
| 960 | |
| 961 | return err; |
| 962 | } |
| 963 | |
| 964 | static void mlx5e_close_cq(struct mlx5e_cq *cq) |
| 965 | { |
| 966 | mlx5e_disable_cq(cq); |
| 967 | mlx5e_destroy_cq(cq); |
| 968 | } |
| 969 | |
| 970 | static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix) |
| 971 | { |
| 972 | return cpumask_first(priv->mdev->priv.irq_info[ix].mask); |
| 973 | } |
| 974 | |
| 975 | static int mlx5e_open_tx_cqs(struct mlx5e_channel *c, |
| 976 | struct mlx5e_channel_param *cparam) |
| 977 | { |
| 978 | struct mlx5e_priv *priv = c->priv; |
| 979 | int err; |
| 980 | int tc; |
| 981 | |
| 982 | for (tc = 0; tc < c->num_tc; tc++) { |
| 983 | err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq, |
| 984 | priv->params.tx_cq_moderation_usec, |
| 985 | priv->params.tx_cq_moderation_pkts); |
| 986 | if (err) |
| 987 | goto err_close_tx_cqs; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 988 | } |
| 989 | |
| 990 | return 0; |
| 991 | |
| 992 | err_close_tx_cqs: |
| 993 | for (tc--; tc >= 0; tc--) |
| 994 | mlx5e_close_cq(&c->sq[tc].cq); |
| 995 | |
| 996 | return err; |
| 997 | } |
| 998 | |
| 999 | static void mlx5e_close_tx_cqs(struct mlx5e_channel *c) |
| 1000 | { |
| 1001 | int tc; |
| 1002 | |
| 1003 | for (tc = 0; tc < c->num_tc; tc++) |
| 1004 | mlx5e_close_cq(&c->sq[tc].cq); |
| 1005 | } |
| 1006 | |
| 1007 | static int mlx5e_open_sqs(struct mlx5e_channel *c, |
| 1008 | struct mlx5e_channel_param *cparam) |
| 1009 | { |
| 1010 | int err; |
| 1011 | int tc; |
| 1012 | |
| 1013 | for (tc = 0; tc < c->num_tc; tc++) { |
| 1014 | err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]); |
| 1015 | if (err) |
| 1016 | goto err_close_sqs; |
| 1017 | } |
| 1018 | |
| 1019 | return 0; |
| 1020 | |
| 1021 | err_close_sqs: |
| 1022 | for (tc--; tc >= 0; tc--) |
| 1023 | mlx5e_close_sq(&c->sq[tc]); |
| 1024 | |
| 1025 | return err; |
| 1026 | } |
| 1027 | |
| 1028 | static void mlx5e_close_sqs(struct mlx5e_channel *c) |
| 1029 | { |
| 1030 | int tc; |
| 1031 | |
| 1032 | for (tc = 0; tc < c->num_tc; tc++) |
| 1033 | mlx5e_close_sq(&c->sq[tc]); |
| 1034 | } |
| 1035 | |
Rana Shahout | 5283af8 | 2015-08-23 16:12:14 +0300 | [diff] [blame] | 1036 | static void mlx5e_build_channeltc_to_txq_map(struct mlx5e_priv *priv, int ix) |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1037 | { |
| 1038 | int i; |
| 1039 | |
| 1040 | for (i = 0; i < MLX5E_MAX_NUM_TC; i++) |
Rana Shahout | 5283af8 | 2015-08-23 16:12:14 +0300 | [diff] [blame] | 1041 | priv->channeltc_to_txq_map[ix][i] = |
| 1042 | ix + i * priv->params.num_channels; |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1043 | } |
| 1044 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1045 | static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, |
| 1046 | struct mlx5e_channel_param *cparam, |
| 1047 | struct mlx5e_channel **cp) |
| 1048 | { |
| 1049 | struct net_device *netdev = priv->netdev; |
| 1050 | int cpu = mlx5e_get_cpu(priv, ix); |
| 1051 | struct mlx5e_channel *c; |
| 1052 | int err; |
| 1053 | |
| 1054 | c = kzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu)); |
| 1055 | if (!c) |
| 1056 | return -ENOMEM; |
| 1057 | |
| 1058 | c->priv = priv; |
| 1059 | c->ix = ix; |
| 1060 | c->cpu = cpu; |
| 1061 | c->pdev = &priv->mdev->pdev->dev; |
| 1062 | c->netdev = priv->netdev; |
Matan Barak | a606b0f | 2016-02-29 18:05:28 +0200 | [diff] [blame] | 1063 | c->mkey_be = cpu_to_be32(priv->mkey.key); |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1064 | c->num_tc = priv->params.num_tc; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1065 | |
Rana Shahout | 5283af8 | 2015-08-23 16:12:14 +0300 | [diff] [blame] | 1066 | mlx5e_build_channeltc_to_txq_map(priv, ix); |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1067 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1068 | netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64); |
| 1069 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1070 | err = mlx5e_open_cq(c, &cparam->icosq_cq, &c->icosq.cq, 0, 0); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1071 | if (err) |
| 1072 | goto err_napi_del; |
| 1073 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1074 | err = mlx5e_open_tx_cqs(c, cparam); |
| 1075 | if (err) |
| 1076 | goto err_close_icosq_cq; |
| 1077 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1078 | err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq, |
| 1079 | priv->params.rx_cq_moderation_usec, |
| 1080 | priv->params.rx_cq_moderation_pkts); |
| 1081 | if (err) |
| 1082 | goto err_close_tx_cqs; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1083 | |
| 1084 | napi_enable(&c->napi); |
| 1085 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1086 | err = mlx5e_open_sq(c, 0, &cparam->icosq, &c->icosq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1087 | if (err) |
| 1088 | goto err_disable_napi; |
| 1089 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1090 | err = mlx5e_open_sqs(c, cparam); |
| 1091 | if (err) |
| 1092 | goto err_close_icosq; |
| 1093 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1094 | err = mlx5e_open_rq(c, &cparam->rq, &c->rq); |
| 1095 | if (err) |
| 1096 | goto err_close_sqs; |
| 1097 | |
| 1098 | netif_set_xps_queue(netdev, get_cpu_mask(c->cpu), ix); |
| 1099 | *cp = c; |
| 1100 | |
| 1101 | return 0; |
| 1102 | |
| 1103 | err_close_sqs: |
| 1104 | mlx5e_close_sqs(c); |
| 1105 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1106 | err_close_icosq: |
| 1107 | mlx5e_close_sq(&c->icosq); |
| 1108 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1109 | err_disable_napi: |
| 1110 | napi_disable(&c->napi); |
| 1111 | mlx5e_close_cq(&c->rq.cq); |
| 1112 | |
| 1113 | err_close_tx_cqs: |
| 1114 | mlx5e_close_tx_cqs(c); |
| 1115 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1116 | err_close_icosq_cq: |
| 1117 | mlx5e_close_cq(&c->icosq.cq); |
| 1118 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1119 | err_napi_del: |
| 1120 | netif_napi_del(&c->napi); |
Eric Dumazet | 7ae92ae | 2015-11-18 06:30:55 -0800 | [diff] [blame] | 1121 | napi_hash_del(&c->napi); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1122 | kfree(c); |
| 1123 | |
| 1124 | return err; |
| 1125 | } |
| 1126 | |
| 1127 | static void mlx5e_close_channel(struct mlx5e_channel *c) |
| 1128 | { |
| 1129 | mlx5e_close_rq(&c->rq); |
| 1130 | mlx5e_close_sqs(c); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1131 | mlx5e_close_sq(&c->icosq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1132 | napi_disable(&c->napi); |
| 1133 | mlx5e_close_cq(&c->rq.cq); |
| 1134 | mlx5e_close_tx_cqs(c); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1135 | mlx5e_close_cq(&c->icosq.cq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1136 | netif_napi_del(&c->napi); |
Eric Dumazet | 7ae92ae | 2015-11-18 06:30:55 -0800 | [diff] [blame] | 1137 | |
| 1138 | napi_hash_del(&c->napi); |
| 1139 | synchronize_rcu(); |
| 1140 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1141 | kfree(c); |
| 1142 | } |
| 1143 | |
| 1144 | static void mlx5e_build_rq_param(struct mlx5e_priv *priv, |
| 1145 | struct mlx5e_rq_param *param) |
| 1146 | { |
| 1147 | void *rqc = param->rqc; |
| 1148 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 1149 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1150 | switch (priv->params.rq_wq_type) { |
| 1151 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 1152 | MLX5_SET(wq, wq, log_wqe_num_of_strides, |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 1153 | priv->params.mpwqe_log_num_strides - 9); |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1154 | MLX5_SET(wq, wq, log_wqe_stride_size, |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 1155 | priv->params.mpwqe_log_stride_sz - 6); |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1156 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ); |
| 1157 | break; |
| 1158 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 1159 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); |
| 1160 | } |
| 1161 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1162 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); |
| 1163 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); |
| 1164 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size); |
| 1165 | MLX5_SET(wq, wq, pd, priv->pdn); |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 1166 | MLX5_SET(rqc, rqc, counter_set_id, priv->q_counter); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1167 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 1168 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1169 | param->wq.linear = 1; |
| 1170 | } |
| 1171 | |
Tariq Toukan | 556dd1b | 2016-03-02 00:13:36 +0200 | [diff] [blame] | 1172 | static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param) |
| 1173 | { |
| 1174 | void *rqc = param->rqc; |
| 1175 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 1176 | |
| 1177 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); |
| 1178 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); |
| 1179 | } |
| 1180 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1181 | static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv, |
| 1182 | struct mlx5e_sq_param *param) |
| 1183 | { |
| 1184 | void *sqc = param->sqc; |
| 1185 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 1186 | |
| 1187 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); |
| 1188 | MLX5_SET(wq, wq, pd, priv->pdn); |
| 1189 | |
| 1190 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
| 1191 | } |
| 1192 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1193 | static void mlx5e_build_sq_param(struct mlx5e_priv *priv, |
| 1194 | struct mlx5e_sq_param *param) |
| 1195 | { |
| 1196 | void *sqc = param->sqc; |
| 1197 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 1198 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1199 | mlx5e_build_sq_param_common(priv, param); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1200 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1201 | |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 1202 | param->max_inline = priv->params.tx_max_inline; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1203 | } |
| 1204 | |
| 1205 | static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv, |
| 1206 | struct mlx5e_cq_param *param) |
| 1207 | { |
| 1208 | void *cqc = param->cqc; |
| 1209 | |
| 1210 | MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index); |
| 1211 | } |
| 1212 | |
| 1213 | static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, |
| 1214 | struct mlx5e_cq_param *param) |
| 1215 | { |
| 1216 | void *cqc = param->cqc; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1217 | u8 log_cq_size; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1218 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1219 | switch (priv->params.rq_wq_type) { |
| 1220 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 1221 | log_cq_size = priv->params.log_rq_size + |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 1222 | priv->params.mpwqe_log_num_strides; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1223 | break; |
| 1224 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 1225 | log_cq_size = priv->params.log_rq_size; |
| 1226 | } |
| 1227 | |
| 1228 | MLX5_SET(cqc, cqc, log_cq_size, log_cq_size); |
Tariq Toukan | 7219ab3 | 2016-05-11 00:29:14 +0300 | [diff] [blame] | 1229 | if (priv->params.rx_cqe_compress) { |
| 1230 | MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); |
| 1231 | MLX5_SET(cqc, cqc, cqe_comp_en, 1); |
| 1232 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1233 | |
| 1234 | mlx5e_build_common_cq_param(priv, param); |
| 1235 | } |
| 1236 | |
| 1237 | static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, |
| 1238 | struct mlx5e_cq_param *param) |
| 1239 | { |
| 1240 | void *cqc = param->cqc; |
| 1241 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1242 | MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1243 | |
| 1244 | mlx5e_build_common_cq_param(priv, param); |
| 1245 | } |
| 1246 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1247 | static void mlx5e_build_ico_cq_param(struct mlx5e_priv *priv, |
| 1248 | struct mlx5e_cq_param *param, |
| 1249 | u8 log_wq_size) |
| 1250 | { |
| 1251 | void *cqc = param->cqc; |
| 1252 | |
| 1253 | MLX5_SET(cqc, cqc, log_cq_size, log_wq_size); |
| 1254 | |
| 1255 | mlx5e_build_common_cq_param(priv, param); |
| 1256 | } |
| 1257 | |
| 1258 | static void mlx5e_build_icosq_param(struct mlx5e_priv *priv, |
| 1259 | struct mlx5e_sq_param *param, |
| 1260 | u8 log_wq_size) |
| 1261 | { |
| 1262 | void *sqc = param->sqc; |
| 1263 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 1264 | |
| 1265 | mlx5e_build_sq_param_common(priv, param); |
| 1266 | |
| 1267 | MLX5_SET(wq, wq, log_wq_sz, log_wq_size); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 1268 | MLX5_SET(sqc, sqc, reg_umr, MLX5_CAP_ETH(priv->mdev, reg_umr_sq)); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1269 | |
| 1270 | param->icosq = true; |
| 1271 | } |
| 1272 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1273 | static void mlx5e_build_channel_param(struct mlx5e_priv *priv, struct mlx5e_channel_param *cparam) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1274 | { |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 1275 | u8 icosq_log_wq_sz = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1276 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1277 | mlx5e_build_rq_param(priv, &cparam->rq); |
| 1278 | mlx5e_build_sq_param(priv, &cparam->sq); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1279 | mlx5e_build_icosq_param(priv, &cparam->icosq, icosq_log_wq_sz); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1280 | mlx5e_build_rx_cq_param(priv, &cparam->rx_cq); |
| 1281 | mlx5e_build_tx_cq_param(priv, &cparam->tx_cq); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1282 | mlx5e_build_ico_cq_param(priv, &cparam->icosq_cq, icosq_log_wq_sz); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1283 | } |
| 1284 | |
| 1285 | static int mlx5e_open_channels(struct mlx5e_priv *priv) |
| 1286 | { |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1287 | struct mlx5e_channel_param *cparam; |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1288 | int nch = priv->params.num_channels; |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1289 | int err = -ENOMEM; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1290 | int i; |
| 1291 | int j; |
| 1292 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1293 | priv->channel = kcalloc(nch, sizeof(struct mlx5e_channel *), |
| 1294 | GFP_KERNEL); |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1295 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1296 | priv->txq_to_sq_map = kcalloc(nch * priv->params.num_tc, |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1297 | sizeof(struct mlx5e_sq *), GFP_KERNEL); |
| 1298 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1299 | cparam = kzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL); |
| 1300 | |
| 1301 | if (!priv->channel || !priv->txq_to_sq_map || !cparam) |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1302 | goto err_free_txq_to_sq_map; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1303 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1304 | mlx5e_build_channel_param(priv, cparam); |
| 1305 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1306 | for (i = 0; i < nch; i++) { |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1307 | err = mlx5e_open_channel(priv, i, cparam, &priv->channel[i]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1308 | if (err) |
| 1309 | goto err_close_channels; |
| 1310 | } |
| 1311 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1312 | for (j = 0; j < nch; j++) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1313 | err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq); |
| 1314 | if (err) |
| 1315 | goto err_close_channels; |
| 1316 | } |
| 1317 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1318 | kfree(cparam); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1319 | return 0; |
| 1320 | |
| 1321 | err_close_channels: |
| 1322 | for (i--; i >= 0; i--) |
| 1323 | mlx5e_close_channel(priv->channel[i]); |
| 1324 | |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1325 | err_free_txq_to_sq_map: |
| 1326 | kfree(priv->txq_to_sq_map); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1327 | kfree(priv->channel); |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1328 | kfree(cparam); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1329 | |
| 1330 | return err; |
| 1331 | } |
| 1332 | |
| 1333 | static void mlx5e_close_channels(struct mlx5e_priv *priv) |
| 1334 | { |
| 1335 | int i; |
| 1336 | |
| 1337 | for (i = 0; i < priv->params.num_channels; i++) |
| 1338 | mlx5e_close_channel(priv->channel[i]); |
| 1339 | |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1340 | kfree(priv->txq_to_sq_map); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1341 | kfree(priv->channel); |
| 1342 | } |
| 1343 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1344 | static int mlx5e_rx_hash_fn(int hfunc) |
| 1345 | { |
| 1346 | return (hfunc == ETH_RSS_HASH_TOP) ? |
| 1347 | MLX5_RX_HASH_FN_TOEPLITZ : |
| 1348 | MLX5_RX_HASH_FN_INVERTED_XOR8; |
| 1349 | } |
| 1350 | |
| 1351 | static int mlx5e_bits_invert(unsigned long a, int size) |
| 1352 | { |
| 1353 | int inv = 0; |
| 1354 | int i; |
| 1355 | |
| 1356 | for (i = 0; i < size; i++) |
| 1357 | inv |= (test_bit(size - i - 1, &a) ? 1 : 0) << i; |
| 1358 | |
| 1359 | return inv; |
| 1360 | } |
| 1361 | |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 1362 | static void mlx5e_fill_indir_rqt_rqns(struct mlx5e_priv *priv, void *rqtc) |
| 1363 | { |
| 1364 | int i; |
| 1365 | |
| 1366 | for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) { |
| 1367 | int ix = i; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1368 | u32 rqn; |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 1369 | |
| 1370 | if (priv->params.rss_hfunc == ETH_RSS_HASH_XOR) |
| 1371 | ix = mlx5e_bits_invert(i, MLX5E_LOG_INDIR_RQT_SIZE); |
| 1372 | |
Achiad Shochat | 2d75b2b | 2015-08-16 16:04:47 +0300 | [diff] [blame] | 1373 | ix = priv->params.indirection_rqt[ix]; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1374 | rqn = test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
| 1375 | priv->channel[ix]->rq.rqn : |
| 1376 | priv->drop_rq.rqn; |
| 1377 | MLX5_SET(rqtc, rqtc, rq_num[i], rqn); |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 1378 | } |
| 1379 | } |
| 1380 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1381 | static void mlx5e_fill_direct_rqt_rqn(struct mlx5e_priv *priv, void *rqtc, |
| 1382 | int ix) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1383 | { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1384 | u32 rqn = test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
| 1385 | priv->channel[ix]->rq.rqn : |
| 1386 | priv->drop_rq.rqn; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1387 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1388 | MLX5_SET(rqtc, rqtc, rq_num[0], rqn); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1389 | } |
| 1390 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1391 | static int mlx5e_create_rqt(struct mlx5e_priv *priv, int sz, int ix, u32 *rqtn) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1392 | { |
| 1393 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1394 | void *rqtc; |
| 1395 | int inlen; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1396 | int err; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1397 | u32 *in; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1398 | |
| 1399 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; |
| 1400 | in = mlx5_vzalloc(inlen); |
| 1401 | if (!in) |
| 1402 | return -ENOMEM; |
| 1403 | |
| 1404 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); |
| 1405 | |
| 1406 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); |
| 1407 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); |
| 1408 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1409 | if (sz > 1) /* RSS */ |
| 1410 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); |
| 1411 | else |
| 1412 | mlx5e_fill_direct_rqt_rqn(priv, rqtc, ix); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1413 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1414 | err = mlx5_core_create_rqt(mdev, in, inlen, rqtn); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1415 | |
| 1416 | kvfree(in); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1417 | return err; |
| 1418 | } |
| 1419 | |
| 1420 | static void mlx5e_destroy_rqt(struct mlx5e_priv *priv, u32 rqtn) |
| 1421 | { |
| 1422 | mlx5_core_destroy_rqt(priv->mdev, rqtn); |
| 1423 | } |
| 1424 | |
| 1425 | static int mlx5e_create_rqts(struct mlx5e_priv *priv) |
| 1426 | { |
| 1427 | int nch = mlx5e_get_max_num_channels(priv->mdev); |
| 1428 | u32 *rqtn; |
| 1429 | int err; |
| 1430 | int ix; |
| 1431 | |
| 1432 | /* Indirect RQT */ |
| 1433 | rqtn = &priv->indir_rqtn; |
| 1434 | err = mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, 0, rqtn); |
| 1435 | if (err) |
| 1436 | return err; |
| 1437 | |
| 1438 | /* Direct RQTs */ |
| 1439 | for (ix = 0; ix < nch; ix++) { |
| 1440 | rqtn = &priv->direct_tir[ix].rqtn; |
| 1441 | err = mlx5e_create_rqt(priv, 1 /*size */, ix, rqtn); |
| 1442 | if (err) |
| 1443 | goto err_destroy_rqts; |
| 1444 | } |
| 1445 | |
| 1446 | return 0; |
| 1447 | |
| 1448 | err_destroy_rqts: |
| 1449 | for (ix--; ix >= 0; ix--) |
| 1450 | mlx5e_destroy_rqt(priv, priv->direct_tir[ix].rqtn); |
| 1451 | |
| 1452 | mlx5e_destroy_rqt(priv, priv->indir_rqtn); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1453 | |
| 1454 | return err; |
| 1455 | } |
| 1456 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1457 | static void mlx5e_destroy_rqts(struct mlx5e_priv *priv) |
| 1458 | { |
| 1459 | int nch = mlx5e_get_max_num_channels(priv->mdev); |
| 1460 | int i; |
| 1461 | |
| 1462 | for (i = 0; i < nch; i++) |
| 1463 | mlx5e_destroy_rqt(priv, priv->direct_tir[i].rqtn); |
| 1464 | |
| 1465 | mlx5e_destroy_rqt(priv, priv->indir_rqtn); |
| 1466 | } |
| 1467 | |
| 1468 | int mlx5e_redirect_rqt(struct mlx5e_priv *priv, u32 rqtn, int sz, int ix) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1469 | { |
| 1470 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1471 | void *rqtc; |
| 1472 | int inlen; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1473 | u32 *in; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1474 | int err; |
| 1475 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1476 | inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + sizeof(u32) * sz; |
| 1477 | in = mlx5_vzalloc(inlen); |
| 1478 | if (!in) |
| 1479 | return -ENOMEM; |
| 1480 | |
| 1481 | rqtc = MLX5_ADDR_OF(modify_rqt_in, in, ctx); |
| 1482 | |
| 1483 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1484 | if (sz > 1) /* RSS */ |
| 1485 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); |
| 1486 | else |
| 1487 | mlx5e_fill_direct_rqt_rqn(priv, rqtc, ix); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1488 | |
| 1489 | MLX5_SET(modify_rqt_in, in, bitmask.rqn_list, 1); |
| 1490 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1491 | err = mlx5_core_modify_rqt(mdev, rqtn, in, inlen); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1492 | |
| 1493 | kvfree(in); |
| 1494 | |
| 1495 | return err; |
| 1496 | } |
| 1497 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1498 | static void mlx5e_redirect_rqts(struct mlx5e_priv *priv) |
| 1499 | { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1500 | u32 rqtn; |
| 1501 | int ix; |
| 1502 | |
| 1503 | rqtn = priv->indir_rqtn; |
| 1504 | mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0); |
| 1505 | for (ix = 0; ix < priv->params.num_channels; ix++) { |
| 1506 | rqtn = priv->direct_tir[ix].rqtn; |
| 1507 | mlx5e_redirect_rqt(priv, rqtn, 1, ix); |
| 1508 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1509 | } |
| 1510 | |
| 1511 | static void mlx5e_build_tir_ctx_lro(void *tirc, struct mlx5e_priv *priv) |
| 1512 | { |
| 1513 | if (!priv->params.lro_en) |
| 1514 | return; |
| 1515 | |
| 1516 | #define ROUGH_MAX_L2_L3_HDR_SZ 256 |
| 1517 | |
| 1518 | MLX5_SET(tirc, tirc, lro_enable_mask, |
| 1519 | MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | |
| 1520 | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); |
| 1521 | MLX5_SET(tirc, tirc, lro_max_ip_payload_size, |
| 1522 | (priv->params.lro_wqe_sz - |
| 1523 | ROUGH_MAX_L2_L3_HDR_SZ) >> 8); |
| 1524 | MLX5_SET(tirc, tirc, lro_timeout_period_usecs, |
| 1525 | MLX5_CAP_ETH(priv->mdev, |
Achiad Shochat | d9a4027 | 2015-08-16 16:04:49 +0300 | [diff] [blame] | 1526 | lro_timer_supported_periods[2])); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1527 | } |
| 1528 | |
Tariq Toukan | bdfc028 | 2016-02-29 21:17:12 +0200 | [diff] [blame] | 1529 | void mlx5e_build_tir_ctx_hash(void *tirc, struct mlx5e_priv *priv) |
| 1530 | { |
| 1531 | MLX5_SET(tirc, tirc, rx_hash_fn, |
| 1532 | mlx5e_rx_hash_fn(priv->params.rss_hfunc)); |
| 1533 | if (priv->params.rss_hfunc == ETH_RSS_HASH_TOP) { |
| 1534 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, |
| 1535 | rx_hash_toeplitz_key); |
| 1536 | size_t len = MLX5_FLD_SZ_BYTES(tirc, |
| 1537 | rx_hash_toeplitz_key); |
| 1538 | |
| 1539 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); |
| 1540 | memcpy(rss_key, priv->params.toeplitz_hash_key, len); |
| 1541 | } |
| 1542 | } |
| 1543 | |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1544 | static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1545 | { |
| 1546 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1547 | |
| 1548 | void *in; |
| 1549 | void *tirc; |
| 1550 | int inlen; |
| 1551 | int err; |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1552 | int tt; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1553 | int ix; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1554 | |
| 1555 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); |
| 1556 | in = mlx5_vzalloc(inlen); |
| 1557 | if (!in) |
| 1558 | return -ENOMEM; |
| 1559 | |
| 1560 | MLX5_SET(modify_tir_in, in, bitmask.lro, 1); |
| 1561 | tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); |
| 1562 | |
| 1563 | mlx5e_build_tir_ctx_lro(tirc, priv); |
| 1564 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1565 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
| 1566 | err = mlx5_core_modify_tir(mdev, priv->indir_tirn[tt], in, |
| 1567 | inlen); |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1568 | if (err) |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1569 | goto free_in; |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1570 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1571 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1572 | for (ix = 0; ix < mlx5e_get_max_num_channels(mdev); ix++) { |
| 1573 | err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, |
| 1574 | in, inlen); |
| 1575 | if (err) |
| 1576 | goto free_in; |
| 1577 | } |
| 1578 | |
| 1579 | free_in: |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1580 | kvfree(in); |
| 1581 | |
| 1582 | return err; |
| 1583 | } |
| 1584 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1585 | static int mlx5e_refresh_tirs_self_loopback_enable(struct mlx5e_priv *priv) |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1586 | { |
| 1587 | void *in; |
| 1588 | int inlen; |
| 1589 | int err; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1590 | int i; |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1591 | |
| 1592 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); |
| 1593 | in = mlx5_vzalloc(inlen); |
| 1594 | if (!in) |
| 1595 | return -ENOMEM; |
| 1596 | |
| 1597 | MLX5_SET(modify_tir_in, in, bitmask.self_lb_en, 1); |
| 1598 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1599 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) { |
| 1600 | err = mlx5_core_modify_tir(priv->mdev, priv->indir_tirn[i], in, |
| 1601 | inlen); |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1602 | if (err) |
| 1603 | return err; |
| 1604 | } |
| 1605 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1606 | for (i = 0; i < priv->params.num_channels; i++) { |
| 1607 | err = mlx5_core_modify_tir(priv->mdev, |
| 1608 | priv->direct_tir[i].tirn, in, |
| 1609 | inlen); |
| 1610 | if (err) |
| 1611 | return err; |
| 1612 | } |
| 1613 | |
| 1614 | kvfree(in); |
| 1615 | |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1616 | return 0; |
| 1617 | } |
| 1618 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1619 | static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1620 | { |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1621 | struct mlx5_core_dev *mdev = priv->mdev; |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1622 | u16 hw_mtu = MLX5E_SW2HW_MTU(mtu); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1623 | int err; |
| 1624 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1625 | err = mlx5_set_port_mtu(mdev, hw_mtu, 1); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1626 | if (err) |
| 1627 | return err; |
| 1628 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1629 | /* Update vport context MTU */ |
| 1630 | mlx5_modify_nic_vport_mtu(mdev, hw_mtu); |
| 1631 | return 0; |
| 1632 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1633 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1634 | static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) |
| 1635 | { |
| 1636 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1637 | u16 hw_mtu = 0; |
| 1638 | int err; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1639 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1640 | err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); |
| 1641 | if (err || !hw_mtu) /* fallback to port oper mtu */ |
| 1642 | mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); |
| 1643 | |
| 1644 | *mtu = MLX5E_HW2SW_MTU(hw_mtu); |
| 1645 | } |
| 1646 | |
| 1647 | static int mlx5e_set_dev_port_mtu(struct net_device *netdev) |
| 1648 | { |
| 1649 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1650 | u16 mtu; |
| 1651 | int err; |
| 1652 | |
| 1653 | err = mlx5e_set_mtu(priv, netdev->mtu); |
| 1654 | if (err) |
| 1655 | return err; |
| 1656 | |
| 1657 | mlx5e_query_mtu(priv, &mtu); |
| 1658 | if (mtu != netdev->mtu) |
| 1659 | netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", |
| 1660 | __func__, mtu, netdev->mtu); |
| 1661 | |
| 1662 | netdev->mtu = mtu; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1663 | return 0; |
| 1664 | } |
| 1665 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1666 | static void mlx5e_netdev_set_tcs(struct net_device *netdev) |
| 1667 | { |
| 1668 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1669 | int nch = priv->params.num_channels; |
| 1670 | int ntc = priv->params.num_tc; |
| 1671 | int tc; |
| 1672 | |
| 1673 | netdev_reset_tc(netdev); |
| 1674 | |
| 1675 | if (ntc == 1) |
| 1676 | return; |
| 1677 | |
| 1678 | netdev_set_num_tc(netdev, ntc); |
| 1679 | |
| 1680 | for (tc = 0; tc < ntc; tc++) |
| 1681 | netdev_set_tc_queue(netdev, tc, nch, tc * nch); |
| 1682 | } |
| 1683 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1684 | int mlx5e_open_locked(struct net_device *netdev) |
| 1685 | { |
| 1686 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1687 | int num_txqs; |
| 1688 | int err; |
| 1689 | |
| 1690 | set_bit(MLX5E_STATE_OPENED, &priv->state); |
| 1691 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1692 | mlx5e_netdev_set_tcs(netdev); |
| 1693 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1694 | num_txqs = priv->params.num_channels * priv->params.num_tc; |
| 1695 | netif_set_real_num_tx_queues(netdev, num_txqs); |
| 1696 | netif_set_real_num_rx_queues(netdev, priv->params.num_channels); |
| 1697 | |
| 1698 | err = mlx5e_set_dev_port_mtu(netdev); |
| 1699 | if (err) |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1700 | goto err_clear_state_opened_flag; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1701 | |
| 1702 | err = mlx5e_open_channels(priv); |
| 1703 | if (err) { |
| 1704 | netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n", |
| 1705 | __func__, err); |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1706 | goto err_clear_state_opened_flag; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1707 | } |
| 1708 | |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1709 | err = mlx5e_refresh_tirs_self_loopback_enable(priv); |
| 1710 | if (err) { |
| 1711 | netdev_err(netdev, "%s: mlx5e_refresh_tirs_self_loopback_enable failed, %d\n", |
| 1712 | __func__, err); |
| 1713 | goto err_close_channels; |
| 1714 | } |
| 1715 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1716 | mlx5e_redirect_rqts(priv); |
Tariq Toukan | ce89ef3 | 2016-03-02 00:13:33 +0200 | [diff] [blame] | 1717 | mlx5e_update_carrier(priv); |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 1718 | mlx5e_timestamp_init(priv); |
Maor Gottlieb | 5a7b27e | 2016-04-29 01:36:39 +0300 | [diff] [blame] | 1719 | #ifdef CONFIG_RFS_ACCEL |
| 1720 | priv->netdev->rx_cpu_rmap = priv->mdev->rmap; |
| 1721 | #endif |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1722 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 1723 | queue_delayed_work(priv->wq, &priv->update_stats_work, 0); |
Achiad Shochat | 9b37b07 | 2015-08-04 14:05:46 +0300 | [diff] [blame] | 1724 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1725 | return 0; |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1726 | |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1727 | err_close_channels: |
| 1728 | mlx5e_close_channels(priv); |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1729 | err_clear_state_opened_flag: |
| 1730 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
| 1731 | return err; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1732 | } |
| 1733 | |
| 1734 | static int mlx5e_open(struct net_device *netdev) |
| 1735 | { |
| 1736 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1737 | int err; |
| 1738 | |
| 1739 | mutex_lock(&priv->state_lock); |
| 1740 | err = mlx5e_open_locked(netdev); |
| 1741 | mutex_unlock(&priv->state_lock); |
| 1742 | |
| 1743 | return err; |
| 1744 | } |
| 1745 | |
| 1746 | int mlx5e_close_locked(struct net_device *netdev) |
| 1747 | { |
| 1748 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1749 | |
Achiad Shochat | a198574 | 2015-11-03 08:07:18 +0200 | [diff] [blame] | 1750 | /* May already be CLOSED in case a previous configuration operation |
| 1751 | * (e.g RX/TX queue size change) that involves close&open failed. |
| 1752 | */ |
| 1753 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 1754 | return 0; |
| 1755 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1756 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
| 1757 | |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 1758 | mlx5e_timestamp_cleanup(priv); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1759 | netif_carrier_off(priv->netdev); |
Tariq Toukan | ce89ef3 | 2016-03-02 00:13:33 +0200 | [diff] [blame] | 1760 | mlx5e_redirect_rqts(priv); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1761 | mlx5e_close_channels(priv); |
| 1762 | |
| 1763 | return 0; |
| 1764 | } |
| 1765 | |
| 1766 | static int mlx5e_close(struct net_device *netdev) |
| 1767 | { |
| 1768 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1769 | int err; |
| 1770 | |
| 1771 | mutex_lock(&priv->state_lock); |
| 1772 | err = mlx5e_close_locked(netdev); |
| 1773 | mutex_unlock(&priv->state_lock); |
| 1774 | |
| 1775 | return err; |
| 1776 | } |
| 1777 | |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1778 | static int mlx5e_create_drop_rq(struct mlx5e_priv *priv, |
| 1779 | struct mlx5e_rq *rq, |
| 1780 | struct mlx5e_rq_param *param) |
| 1781 | { |
| 1782 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1783 | void *rqc = param->rqc; |
| 1784 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 1785 | int err; |
| 1786 | |
| 1787 | param->wq.db_numa_node = param->wq.buf_numa_node; |
| 1788 | |
| 1789 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, |
| 1790 | &rq->wq_ctrl); |
| 1791 | if (err) |
| 1792 | return err; |
| 1793 | |
| 1794 | rq->priv = priv; |
| 1795 | |
| 1796 | return 0; |
| 1797 | } |
| 1798 | |
| 1799 | static int mlx5e_create_drop_cq(struct mlx5e_priv *priv, |
| 1800 | struct mlx5e_cq *cq, |
| 1801 | struct mlx5e_cq_param *param) |
| 1802 | { |
| 1803 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1804 | struct mlx5_core_cq *mcq = &cq->mcq; |
| 1805 | int eqn_not_used; |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 1806 | unsigned int irqn; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1807 | int err; |
| 1808 | |
| 1809 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, |
| 1810 | &cq->wq_ctrl); |
| 1811 | if (err) |
| 1812 | return err; |
| 1813 | |
| 1814 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); |
| 1815 | |
| 1816 | mcq->cqe_sz = 64; |
| 1817 | mcq->set_ci_db = cq->wq_ctrl.db.db; |
| 1818 | mcq->arm_db = cq->wq_ctrl.db.db + 1; |
| 1819 | *mcq->set_ci_db = 0; |
| 1820 | *mcq->arm_db = 0; |
| 1821 | mcq->vector = param->eq_ix; |
| 1822 | mcq->comp = mlx5e_completion_event; |
| 1823 | mcq->event = mlx5e_cq_error_event; |
| 1824 | mcq->irqn = irqn; |
| 1825 | mcq->uar = &priv->cq_uar; |
| 1826 | |
| 1827 | cq->priv = priv; |
| 1828 | |
| 1829 | return 0; |
| 1830 | } |
| 1831 | |
| 1832 | static int mlx5e_open_drop_rq(struct mlx5e_priv *priv) |
| 1833 | { |
| 1834 | struct mlx5e_cq_param cq_param; |
| 1835 | struct mlx5e_rq_param rq_param; |
| 1836 | struct mlx5e_rq *rq = &priv->drop_rq; |
| 1837 | struct mlx5e_cq *cq = &priv->drop_rq.cq; |
| 1838 | int err; |
| 1839 | |
| 1840 | memset(&cq_param, 0, sizeof(cq_param)); |
| 1841 | memset(&rq_param, 0, sizeof(rq_param)); |
Tariq Toukan | 556dd1b | 2016-03-02 00:13:36 +0200 | [diff] [blame] | 1842 | mlx5e_build_drop_rq_param(&rq_param); |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1843 | |
| 1844 | err = mlx5e_create_drop_cq(priv, cq, &cq_param); |
| 1845 | if (err) |
| 1846 | return err; |
| 1847 | |
| 1848 | err = mlx5e_enable_cq(cq, &cq_param); |
| 1849 | if (err) |
| 1850 | goto err_destroy_cq; |
| 1851 | |
| 1852 | err = mlx5e_create_drop_rq(priv, rq, &rq_param); |
| 1853 | if (err) |
| 1854 | goto err_disable_cq; |
| 1855 | |
| 1856 | err = mlx5e_enable_rq(rq, &rq_param); |
| 1857 | if (err) |
| 1858 | goto err_destroy_rq; |
| 1859 | |
| 1860 | return 0; |
| 1861 | |
| 1862 | err_destroy_rq: |
| 1863 | mlx5e_destroy_rq(&priv->drop_rq); |
| 1864 | |
| 1865 | err_disable_cq: |
| 1866 | mlx5e_disable_cq(&priv->drop_rq.cq); |
| 1867 | |
| 1868 | err_destroy_cq: |
| 1869 | mlx5e_destroy_cq(&priv->drop_rq.cq); |
| 1870 | |
| 1871 | return err; |
| 1872 | } |
| 1873 | |
| 1874 | static void mlx5e_close_drop_rq(struct mlx5e_priv *priv) |
| 1875 | { |
| 1876 | mlx5e_disable_rq(&priv->drop_rq); |
| 1877 | mlx5e_destroy_rq(&priv->drop_rq); |
| 1878 | mlx5e_disable_cq(&priv->drop_rq.cq); |
| 1879 | mlx5e_destroy_cq(&priv->drop_rq.cq); |
| 1880 | } |
| 1881 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1882 | static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1883 | { |
| 1884 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1885 | u32 in[MLX5_ST_SZ_DW(create_tis_in)]; |
| 1886 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); |
| 1887 | |
| 1888 | memset(in, 0, sizeof(in)); |
| 1889 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1890 | MLX5_SET(tisc, tisc, prio, tc << 1); |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 1891 | MLX5_SET(tisc, tisc, transport_domain, priv->tdn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1892 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 1893 | return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1894 | } |
| 1895 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1896 | static void mlx5e_destroy_tis(struct mlx5e_priv *priv, int tc) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1897 | { |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 1898 | mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1899 | } |
| 1900 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1901 | static int mlx5e_create_tises(struct mlx5e_priv *priv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1902 | { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1903 | int err; |
| 1904 | int tc; |
| 1905 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1906 | for (tc = 0; tc < MLX5E_MAX_NUM_TC; tc++) { |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1907 | err = mlx5e_create_tis(priv, tc); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1908 | if (err) |
| 1909 | goto err_close_tises; |
| 1910 | } |
| 1911 | |
| 1912 | return 0; |
| 1913 | |
| 1914 | err_close_tises: |
| 1915 | for (tc--; tc >= 0; tc--) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1916 | mlx5e_destroy_tis(priv, tc); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1917 | |
| 1918 | return err; |
| 1919 | } |
| 1920 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1921 | static void mlx5e_destroy_tises(struct mlx5e_priv *priv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1922 | { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1923 | int tc; |
| 1924 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1925 | for (tc = 0; tc < MLX5E_MAX_NUM_TC; tc++) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1926 | mlx5e_destroy_tis(priv, tc); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 1927 | } |
| 1928 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1929 | static void mlx5e_build_indir_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, |
| 1930 | enum mlx5e_traffic_types tt) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1931 | { |
| 1932 | void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); |
| 1933 | |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 1934 | MLX5_SET(tirc, tirc, transport_domain, priv->tdn); |
| 1935 | |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 1936 | #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| 1937 | MLX5_HASH_FIELD_SEL_DST_IP) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1938 | |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 1939 | #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| 1940 | MLX5_HASH_FIELD_SEL_DST_IP |\ |
| 1941 | MLX5_HASH_FIELD_SEL_L4_SPORT |\ |
| 1942 | MLX5_HASH_FIELD_SEL_L4_DPORT) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1943 | |
Achiad Shochat | a741749 | 2015-07-23 23:36:01 +0300 | [diff] [blame] | 1944 | #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| 1945 | MLX5_HASH_FIELD_SEL_DST_IP |\ |
| 1946 | MLX5_HASH_FIELD_SEL_IPSEC_SPI) |
| 1947 | |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 1948 | mlx5e_build_tir_ctx_lro(tirc, priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1949 | |
Achiad Shochat | 4cbeaff | 2015-08-04 14:05:40 +0300 | [diff] [blame] | 1950 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1951 | MLX5_SET(tirc, tirc, indirect_table, priv->indir_rqtn); |
| 1952 | mlx5e_build_tir_ctx_hash(tirc, priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1953 | |
| 1954 | switch (tt) { |
| 1955 | case MLX5E_TT_IPV4_TCP: |
| 1956 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 1957 | MLX5_L3_PROT_TYPE_IPV4); |
| 1958 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 1959 | MLX5_L4_PROT_TYPE_TCP); |
| 1960 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 1961 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1962 | break; |
| 1963 | |
| 1964 | case MLX5E_TT_IPV6_TCP: |
| 1965 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 1966 | MLX5_L3_PROT_TYPE_IPV6); |
| 1967 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 1968 | MLX5_L4_PROT_TYPE_TCP); |
| 1969 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 1970 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1971 | break; |
| 1972 | |
| 1973 | case MLX5E_TT_IPV4_UDP: |
| 1974 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 1975 | MLX5_L3_PROT_TYPE_IPV4); |
| 1976 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 1977 | MLX5_L4_PROT_TYPE_UDP); |
| 1978 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 1979 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1980 | break; |
| 1981 | |
| 1982 | case MLX5E_TT_IPV6_UDP: |
| 1983 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 1984 | MLX5_L3_PROT_TYPE_IPV6); |
| 1985 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 1986 | MLX5_L4_PROT_TYPE_UDP); |
| 1987 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 1988 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1989 | break; |
| 1990 | |
Achiad Shochat | a741749 | 2015-07-23 23:36:01 +0300 | [diff] [blame] | 1991 | case MLX5E_TT_IPV4_IPSEC_AH: |
| 1992 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 1993 | MLX5_L3_PROT_TYPE_IPV4); |
| 1994 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 1995 | MLX5_HASH_IP_IPSEC_SPI); |
| 1996 | break; |
| 1997 | |
| 1998 | case MLX5E_TT_IPV6_IPSEC_AH: |
| 1999 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2000 | MLX5_L3_PROT_TYPE_IPV6); |
| 2001 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2002 | MLX5_HASH_IP_IPSEC_SPI); |
| 2003 | break; |
| 2004 | |
| 2005 | case MLX5E_TT_IPV4_IPSEC_ESP: |
| 2006 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2007 | MLX5_L3_PROT_TYPE_IPV4); |
| 2008 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2009 | MLX5_HASH_IP_IPSEC_SPI); |
| 2010 | break; |
| 2011 | |
| 2012 | case MLX5E_TT_IPV6_IPSEC_ESP: |
| 2013 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2014 | MLX5_L3_PROT_TYPE_IPV6); |
| 2015 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2016 | MLX5_HASH_IP_IPSEC_SPI); |
| 2017 | break; |
| 2018 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2019 | case MLX5E_TT_IPV4: |
| 2020 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2021 | MLX5_L3_PROT_TYPE_IPV4); |
| 2022 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2023 | MLX5_HASH_IP); |
| 2024 | break; |
| 2025 | |
| 2026 | case MLX5E_TT_IPV6: |
| 2027 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2028 | MLX5_L3_PROT_TYPE_IPV6); |
| 2029 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2030 | MLX5_HASH_IP); |
| 2031 | break; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2032 | default: |
| 2033 | WARN_ONCE(true, |
| 2034 | "mlx5e_build_indir_tir_ctx: bad traffic type!\n"); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2035 | } |
| 2036 | } |
| 2037 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2038 | static void mlx5e_build_direct_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, |
| 2039 | u32 rqtn) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2040 | { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2041 | MLX5_SET(tirc, tirc, transport_domain, priv->tdn); |
| 2042 | |
| 2043 | mlx5e_build_tir_ctx_lro(tirc, priv); |
| 2044 | |
| 2045 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
| 2046 | MLX5_SET(tirc, tirc, indirect_table, rqtn); |
| 2047 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); |
| 2048 | } |
| 2049 | |
| 2050 | static int mlx5e_create_tirs(struct mlx5e_priv *priv) |
| 2051 | { |
| 2052 | int nch = mlx5e_get_max_num_channels(priv->mdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2053 | void *tirc; |
| 2054 | int inlen; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2055 | u32 *tirn; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2056 | int err; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2057 | u32 *in; |
| 2058 | int ix; |
| 2059 | int tt; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2060 | |
| 2061 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); |
| 2062 | in = mlx5_vzalloc(inlen); |
| 2063 | if (!in) |
| 2064 | return -ENOMEM; |
| 2065 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2066 | /* indirect tirs */ |
| 2067 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
| 2068 | memset(in, 0, inlen); |
| 2069 | tirn = &priv->indir_tirn[tt]; |
| 2070 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
| 2071 | mlx5e_build_indir_tir_ctx(priv, tirc, tt); |
| 2072 | err = mlx5_core_create_tir(priv->mdev, in, inlen, tirn); |
| 2073 | if (err) |
| 2074 | goto err_destroy_tirs; |
| 2075 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2076 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2077 | /* direct tirs */ |
| 2078 | for (ix = 0; ix < nch; ix++) { |
| 2079 | memset(in, 0, inlen); |
| 2080 | tirn = &priv->direct_tir[ix].tirn; |
| 2081 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
| 2082 | mlx5e_build_direct_tir_ctx(priv, tirc, |
| 2083 | priv->direct_tir[ix].rqtn); |
| 2084 | err = mlx5_core_create_tir(priv->mdev, in, inlen, tirn); |
| 2085 | if (err) |
| 2086 | goto err_destroy_ch_tirs; |
| 2087 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2088 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2089 | kvfree(in); |
| 2090 | |
| 2091 | return 0; |
| 2092 | |
| 2093 | err_destroy_ch_tirs: |
| 2094 | for (ix--; ix >= 0; ix--) |
| 2095 | mlx5_core_destroy_tir(priv->mdev, priv->direct_tir[ix].tirn); |
| 2096 | |
| 2097 | err_destroy_tirs: |
| 2098 | for (tt--; tt >= 0; tt--) |
| 2099 | mlx5_core_destroy_tir(priv->mdev, priv->indir_tirn[tt]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2100 | |
| 2101 | kvfree(in); |
| 2102 | |
| 2103 | return err; |
| 2104 | } |
| 2105 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 2106 | static void mlx5e_destroy_tirs(struct mlx5e_priv *priv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2107 | { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2108 | int nch = mlx5e_get_max_num_channels(priv->mdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2109 | int i; |
| 2110 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2111 | for (i = 0; i < nch; i++) |
| 2112 | mlx5_core_destroy_tir(priv->mdev, priv->direct_tir[i].tirn); |
| 2113 | |
| 2114 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) |
| 2115 | mlx5_core_destroy_tir(priv->mdev, priv->indir_tirn[i]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2116 | } |
| 2117 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 2118 | int mlx5e_modify_rqs_vsd(struct mlx5e_priv *priv, bool vsd) |
| 2119 | { |
| 2120 | int err = 0; |
| 2121 | int i; |
| 2122 | |
| 2123 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 2124 | return 0; |
| 2125 | |
| 2126 | for (i = 0; i < priv->params.num_channels; i++) { |
| 2127 | err = mlx5e_modify_rq_vsd(&priv->channel[i]->rq, vsd); |
| 2128 | if (err) |
| 2129 | return err; |
| 2130 | } |
| 2131 | |
| 2132 | return 0; |
| 2133 | } |
| 2134 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2135 | static int mlx5e_setup_tc(struct net_device *netdev, u8 tc) |
| 2136 | { |
| 2137 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2138 | bool was_opened; |
| 2139 | int err = 0; |
| 2140 | |
| 2141 | if (tc && tc != MLX5E_MAX_NUM_TC) |
| 2142 | return -EINVAL; |
| 2143 | |
| 2144 | mutex_lock(&priv->state_lock); |
| 2145 | |
| 2146 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| 2147 | if (was_opened) |
| 2148 | mlx5e_close_locked(priv->netdev); |
| 2149 | |
| 2150 | priv->params.num_tc = tc ? tc : 1; |
| 2151 | |
| 2152 | if (was_opened) |
| 2153 | err = mlx5e_open_locked(priv->netdev); |
| 2154 | |
| 2155 | mutex_unlock(&priv->state_lock); |
| 2156 | |
| 2157 | return err; |
| 2158 | } |
| 2159 | |
| 2160 | static int mlx5e_ndo_setup_tc(struct net_device *dev, u32 handle, |
| 2161 | __be16 proto, struct tc_to_netdev *tc) |
| 2162 | { |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2163 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2164 | |
| 2165 | if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS)) |
| 2166 | goto mqprio; |
| 2167 | |
| 2168 | switch (tc->type) { |
Amir Vadai | e3a2b7e | 2016-03-08 12:42:37 +0200 | [diff] [blame] | 2169 | case TC_SETUP_CLSFLOWER: |
| 2170 | switch (tc->cls_flower->command) { |
| 2171 | case TC_CLSFLOWER_REPLACE: |
| 2172 | return mlx5e_configure_flower(priv, proto, tc->cls_flower); |
| 2173 | case TC_CLSFLOWER_DESTROY: |
| 2174 | return mlx5e_delete_flower(priv, tc->cls_flower); |
Amir Vadai | aad7e08 | 2016-05-13 12:55:42 +0000 | [diff] [blame] | 2175 | case TC_CLSFLOWER_STATS: |
| 2176 | return mlx5e_stats_flower(priv, tc->cls_flower); |
Amir Vadai | e3a2b7e | 2016-03-08 12:42:37 +0200 | [diff] [blame] | 2177 | } |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2178 | default: |
| 2179 | return -EOPNOTSUPP; |
| 2180 | } |
| 2181 | |
| 2182 | mqprio: |
Amir Vadai | 67ba422 | 2016-03-08 12:42:34 +0200 | [diff] [blame] | 2183 | if (tc->type != TC_SETUP_MQPRIO) |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2184 | return -EINVAL; |
| 2185 | |
| 2186 | return mlx5e_setup_tc(dev, tc->tc); |
| 2187 | } |
| 2188 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2189 | static struct rtnl_link_stats64 * |
| 2190 | mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) |
| 2191 | { |
| 2192 | struct mlx5e_priv *priv = netdev_priv(dev); |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2193 | struct mlx5e_sw_stats *sstats = &priv->stats.sw; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2194 | struct mlx5e_vport_stats *vstats = &priv->stats.vport; |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2195 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2196 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2197 | stats->rx_packets = sstats->rx_packets; |
| 2198 | stats->rx_bytes = sstats->rx_bytes; |
| 2199 | stats->tx_packets = sstats->tx_packets; |
| 2200 | stats->tx_bytes = sstats->tx_bytes; |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2201 | |
| 2202 | stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2203 | stats->tx_dropped = sstats->tx_queue_dropped; |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2204 | |
| 2205 | stats->rx_length_errors = |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2206 | PPORT_802_3_GET(pstats, a_in_range_length_errors) + |
| 2207 | PPORT_802_3_GET(pstats, a_out_of_range_length_field) + |
| 2208 | PPORT_802_3_GET(pstats, a_frame_too_long_errors); |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2209 | stats->rx_crc_errors = |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2210 | PPORT_802_3_GET(pstats, a_frame_check_sequence_errors); |
| 2211 | stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors); |
| 2212 | stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards); |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2213 | stats->tx_carrier_errors = |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2214 | PPORT_802_3_GET(pstats, a_symbol_error_during_carrier); |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2215 | stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + |
| 2216 | stats->rx_frame_errors; |
| 2217 | stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors; |
| 2218 | |
| 2219 | /* vport multicast also counts packets that are dropped due to steering |
| 2220 | * or rx out of buffer |
| 2221 | */ |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2222 | stats->multicast = |
| 2223 | VPORT_COUNTER_GET(vstats, received_eth_multicast.packets); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2224 | |
| 2225 | return stats; |
| 2226 | } |
| 2227 | |
| 2228 | static void mlx5e_set_rx_mode(struct net_device *dev) |
| 2229 | { |
| 2230 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2231 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 2232 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2233 | } |
| 2234 | |
| 2235 | static int mlx5e_set_mac(struct net_device *netdev, void *addr) |
| 2236 | { |
| 2237 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2238 | struct sockaddr *saddr = addr; |
| 2239 | |
| 2240 | if (!is_valid_ether_addr(saddr->sa_data)) |
| 2241 | return -EADDRNOTAVAIL; |
| 2242 | |
| 2243 | netif_addr_lock_bh(netdev); |
| 2244 | ether_addr_copy(netdev->dev_addr, saddr->sa_data); |
| 2245 | netif_addr_unlock_bh(netdev); |
| 2246 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 2247 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2248 | |
| 2249 | return 0; |
| 2250 | } |
| 2251 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2252 | #define MLX5E_SET_FEATURE(netdev, feature, enable) \ |
| 2253 | do { \ |
| 2254 | if (enable) \ |
| 2255 | netdev->features |= feature; \ |
| 2256 | else \ |
| 2257 | netdev->features &= ~feature; \ |
| 2258 | } while (0) |
| 2259 | |
| 2260 | typedef int (*mlx5e_feature_handler)(struct net_device *netdev, bool enable); |
| 2261 | |
| 2262 | static int set_feature_lro(struct net_device *netdev, bool enable) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2263 | { |
| 2264 | struct mlx5e_priv *priv = netdev_priv(netdev); |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2265 | bool was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| 2266 | int err; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2267 | |
| 2268 | mutex_lock(&priv->state_lock); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2269 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2270 | if (was_opened && (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST)) |
| 2271 | mlx5e_close_locked(priv->netdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2272 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2273 | priv->params.lro_en = enable; |
| 2274 | err = mlx5e_modify_tirs_lro(priv); |
| 2275 | if (err) { |
| 2276 | netdev_err(netdev, "lro modify failed, %d\n", err); |
| 2277 | priv->params.lro_en = !enable; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2278 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2279 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2280 | if (was_opened && (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST)) |
| 2281 | mlx5e_open_locked(priv->netdev); |
| 2282 | |
Achiad Shochat | 9b37b07 | 2015-08-04 14:05:46 +0300 | [diff] [blame] | 2283 | mutex_unlock(&priv->state_lock); |
| 2284 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2285 | return err; |
| 2286 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2287 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2288 | static int set_feature_vlan_filter(struct net_device *netdev, bool enable) |
| 2289 | { |
| 2290 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2291 | |
| 2292 | if (enable) |
| 2293 | mlx5e_enable_vlan_filter(priv); |
| 2294 | else |
| 2295 | mlx5e_disable_vlan_filter(priv); |
| 2296 | |
| 2297 | return 0; |
| 2298 | } |
| 2299 | |
| 2300 | static int set_feature_tc_num_filters(struct net_device *netdev, bool enable) |
| 2301 | { |
| 2302 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2303 | |
| 2304 | if (!enable && mlx5e_tc_num_filters(priv)) { |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2305 | netdev_err(netdev, |
| 2306 | "Active offloaded tc filters, can't turn hw_tc_offload off\n"); |
| 2307 | return -EINVAL; |
| 2308 | } |
| 2309 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2310 | return 0; |
| 2311 | } |
| 2312 | |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2313 | static int set_feature_rx_all(struct net_device *netdev, bool enable) |
| 2314 | { |
| 2315 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2316 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2317 | |
| 2318 | return mlx5_set_port_fcs(mdev, !enable); |
| 2319 | } |
| 2320 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 2321 | static int set_feature_rx_vlan(struct net_device *netdev, bool enable) |
| 2322 | { |
| 2323 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2324 | int err; |
| 2325 | |
| 2326 | mutex_lock(&priv->state_lock); |
| 2327 | |
| 2328 | priv->params.vlan_strip_disable = !enable; |
| 2329 | err = mlx5e_modify_rqs_vsd(priv, !enable); |
| 2330 | if (err) |
| 2331 | priv->params.vlan_strip_disable = enable; |
| 2332 | |
| 2333 | mutex_unlock(&priv->state_lock); |
| 2334 | |
| 2335 | return err; |
| 2336 | } |
| 2337 | |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2338 | #ifdef CONFIG_RFS_ACCEL |
| 2339 | static int set_feature_arfs(struct net_device *netdev, bool enable) |
| 2340 | { |
| 2341 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2342 | int err; |
| 2343 | |
| 2344 | if (enable) |
| 2345 | err = mlx5e_arfs_enable(priv); |
| 2346 | else |
| 2347 | err = mlx5e_arfs_disable(priv); |
| 2348 | |
| 2349 | return err; |
| 2350 | } |
| 2351 | #endif |
| 2352 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2353 | static int mlx5e_handle_feature(struct net_device *netdev, |
| 2354 | netdev_features_t wanted_features, |
| 2355 | netdev_features_t feature, |
| 2356 | mlx5e_feature_handler feature_handler) |
| 2357 | { |
| 2358 | netdev_features_t changes = wanted_features ^ netdev->features; |
| 2359 | bool enable = !!(wanted_features & feature); |
| 2360 | int err; |
| 2361 | |
| 2362 | if (!(changes & feature)) |
| 2363 | return 0; |
| 2364 | |
| 2365 | err = feature_handler(netdev, enable); |
| 2366 | if (err) { |
| 2367 | netdev_err(netdev, "%s feature 0x%llx failed err %d\n", |
| 2368 | enable ? "Enable" : "Disable", feature, err); |
| 2369 | return err; |
| 2370 | } |
| 2371 | |
| 2372 | MLX5E_SET_FEATURE(netdev, feature, enable); |
| 2373 | return 0; |
| 2374 | } |
| 2375 | |
| 2376 | static int mlx5e_set_features(struct net_device *netdev, |
| 2377 | netdev_features_t features) |
| 2378 | { |
| 2379 | int err; |
| 2380 | |
| 2381 | err = mlx5e_handle_feature(netdev, features, NETIF_F_LRO, |
| 2382 | set_feature_lro); |
| 2383 | err |= mlx5e_handle_feature(netdev, features, |
| 2384 | NETIF_F_HW_VLAN_CTAG_FILTER, |
| 2385 | set_feature_vlan_filter); |
| 2386 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_TC, |
| 2387 | set_feature_tc_num_filters); |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2388 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_RXALL, |
| 2389 | set_feature_rx_all); |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 2390 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_VLAN_CTAG_RX, |
| 2391 | set_feature_rx_vlan); |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2392 | #ifdef CONFIG_RFS_ACCEL |
| 2393 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_NTUPLE, |
| 2394 | set_feature_arfs); |
| 2395 | #endif |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2396 | |
| 2397 | return err ? -EINVAL : 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2398 | } |
| 2399 | |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2400 | #define MXL5_HW_MIN_MTU 64 |
| 2401 | #define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN) |
| 2402 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2403 | static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) |
| 2404 | { |
| 2405 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2406 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2407 | bool was_opened; |
Saeed Mahameed | 046339e | 2016-04-22 00:33:03 +0300 | [diff] [blame] | 2408 | u16 max_mtu; |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2409 | u16 min_mtu; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2410 | int err = 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2411 | |
Saeed Mahameed | facc969 | 2015-06-11 14:47:27 +0300 | [diff] [blame] | 2412 | mlx5_query_port_max_mtu(mdev, &max_mtu, 1); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2413 | |
Doron Tsur | 50a9eea | 2015-11-12 19:35:27 +0200 | [diff] [blame] | 2414 | max_mtu = MLX5E_HW2SW_MTU(max_mtu); |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2415 | min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU); |
Doron Tsur | 50a9eea | 2015-11-12 19:35:27 +0200 | [diff] [blame] | 2416 | |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2417 | if (new_mtu > max_mtu || new_mtu < min_mtu) { |
Saeed Mahameed | facc969 | 2015-06-11 14:47:27 +0300 | [diff] [blame] | 2418 | netdev_err(netdev, |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2419 | "%s: Bad MTU (%d), valid range is: [%d..%d]\n", |
| 2420 | __func__, new_mtu, min_mtu, max_mtu); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2421 | return -EINVAL; |
| 2422 | } |
| 2423 | |
| 2424 | mutex_lock(&priv->state_lock); |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2425 | |
| 2426 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| 2427 | if (was_opened) |
| 2428 | mlx5e_close_locked(netdev); |
| 2429 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2430 | netdev->mtu = new_mtu; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2431 | |
| 2432 | if (was_opened) |
| 2433 | err = mlx5e_open_locked(netdev); |
| 2434 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2435 | mutex_unlock(&priv->state_lock); |
| 2436 | |
| 2437 | return err; |
| 2438 | } |
| 2439 | |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 2440 | static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 2441 | { |
| 2442 | switch (cmd) { |
| 2443 | case SIOCSHWTSTAMP: |
| 2444 | return mlx5e_hwstamp_set(dev, ifr); |
| 2445 | case SIOCGHWTSTAMP: |
| 2446 | return mlx5e_hwstamp_get(dev, ifr); |
| 2447 | default: |
| 2448 | return -EOPNOTSUPP; |
| 2449 | } |
| 2450 | } |
| 2451 | |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 2452 | static int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac) |
| 2453 | { |
| 2454 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2455 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2456 | |
| 2457 | return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac); |
| 2458 | } |
| 2459 | |
| 2460 | static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos) |
| 2461 | { |
| 2462 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2463 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2464 | |
| 2465 | return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1, |
| 2466 | vlan, qos); |
| 2467 | } |
| 2468 | |
Mohamad Haj Yahia | f942380 | 2016-05-03 17:13:59 +0300 | [diff] [blame] | 2469 | static int mlx5e_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
| 2470 | { |
| 2471 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2472 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2473 | |
| 2474 | return mlx5_eswitch_set_vport_spoofchk(mdev->priv.eswitch, vf + 1, setting); |
| 2475 | } |
| 2476 | |
Mohamad Haj Yahia | 1edc57e | 2016-05-03 17:14:04 +0300 | [diff] [blame] | 2477 | static int mlx5e_set_vf_trust(struct net_device *dev, int vf, bool setting) |
| 2478 | { |
| 2479 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2480 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2481 | |
| 2482 | return mlx5_eswitch_set_vport_trust(mdev->priv.eswitch, vf + 1, setting); |
| 2483 | } |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 2484 | static int mlx5_vport_link2ifla(u8 esw_link) |
| 2485 | { |
| 2486 | switch (esw_link) { |
| 2487 | case MLX5_ESW_VPORT_ADMIN_STATE_DOWN: |
| 2488 | return IFLA_VF_LINK_STATE_DISABLE; |
| 2489 | case MLX5_ESW_VPORT_ADMIN_STATE_UP: |
| 2490 | return IFLA_VF_LINK_STATE_ENABLE; |
| 2491 | } |
| 2492 | return IFLA_VF_LINK_STATE_AUTO; |
| 2493 | } |
| 2494 | |
| 2495 | static int mlx5_ifla_link2vport(u8 ifla_link) |
| 2496 | { |
| 2497 | switch (ifla_link) { |
| 2498 | case IFLA_VF_LINK_STATE_DISABLE: |
| 2499 | return MLX5_ESW_VPORT_ADMIN_STATE_DOWN; |
| 2500 | case IFLA_VF_LINK_STATE_ENABLE: |
| 2501 | return MLX5_ESW_VPORT_ADMIN_STATE_UP; |
| 2502 | } |
| 2503 | return MLX5_ESW_VPORT_ADMIN_STATE_AUTO; |
| 2504 | } |
| 2505 | |
| 2506 | static int mlx5e_set_vf_link_state(struct net_device *dev, int vf, |
| 2507 | int link_state) |
| 2508 | { |
| 2509 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2510 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2511 | |
| 2512 | return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1, |
| 2513 | mlx5_ifla_link2vport(link_state)); |
| 2514 | } |
| 2515 | |
| 2516 | static int mlx5e_get_vf_config(struct net_device *dev, |
| 2517 | int vf, struct ifla_vf_info *ivi) |
| 2518 | { |
| 2519 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2520 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2521 | int err; |
| 2522 | |
| 2523 | err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi); |
| 2524 | if (err) |
| 2525 | return err; |
| 2526 | ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate); |
| 2527 | return 0; |
| 2528 | } |
| 2529 | |
| 2530 | static int mlx5e_get_vf_stats(struct net_device *dev, |
| 2531 | int vf, struct ifla_vf_stats *vf_stats) |
| 2532 | { |
| 2533 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2534 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2535 | |
| 2536 | return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1, |
| 2537 | vf_stats); |
| 2538 | } |
| 2539 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2540 | static void mlx5e_add_vxlan_port(struct net_device *netdev, |
| 2541 | sa_family_t sa_family, __be16 port) |
| 2542 | { |
| 2543 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2544 | |
| 2545 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
| 2546 | return; |
| 2547 | |
Matthew Finlay | d8cf2dd | 2016-05-01 22:59:57 +0300 | [diff] [blame] | 2548 | mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 1); |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2549 | } |
| 2550 | |
| 2551 | static void mlx5e_del_vxlan_port(struct net_device *netdev, |
| 2552 | sa_family_t sa_family, __be16 port) |
| 2553 | { |
| 2554 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2555 | |
| 2556 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
| 2557 | return; |
| 2558 | |
Matthew Finlay | d8cf2dd | 2016-05-01 22:59:57 +0300 | [diff] [blame] | 2559 | mlx5e_vxlan_queue_work(priv, sa_family, be16_to_cpu(port), 0); |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2560 | } |
| 2561 | |
| 2562 | static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, |
| 2563 | struct sk_buff *skb, |
| 2564 | netdev_features_t features) |
| 2565 | { |
| 2566 | struct udphdr *udph; |
| 2567 | u16 proto; |
| 2568 | u16 port = 0; |
| 2569 | |
| 2570 | switch (vlan_get_protocol(skb)) { |
| 2571 | case htons(ETH_P_IP): |
| 2572 | proto = ip_hdr(skb)->protocol; |
| 2573 | break; |
| 2574 | case htons(ETH_P_IPV6): |
| 2575 | proto = ipv6_hdr(skb)->nexthdr; |
| 2576 | break; |
| 2577 | default: |
| 2578 | goto out; |
| 2579 | } |
| 2580 | |
| 2581 | if (proto == IPPROTO_UDP) { |
| 2582 | udph = udp_hdr(skb); |
| 2583 | port = be16_to_cpu(udph->dest); |
| 2584 | } |
| 2585 | |
| 2586 | /* Verify if UDP port is being offloaded by HW */ |
| 2587 | if (port && mlx5e_vxlan_lookup_port(priv, port)) |
| 2588 | return features; |
| 2589 | |
| 2590 | out: |
| 2591 | /* Disable CSUM and GSO if the udp dport is not offloaded by HW */ |
| 2592 | return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); |
| 2593 | } |
| 2594 | |
| 2595 | static netdev_features_t mlx5e_features_check(struct sk_buff *skb, |
| 2596 | struct net_device *netdev, |
| 2597 | netdev_features_t features) |
| 2598 | { |
| 2599 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2600 | |
| 2601 | features = vlan_features_check(skb, features); |
| 2602 | features = vxlan_features_check(skb, features); |
| 2603 | |
| 2604 | /* Validate if the tunneled packet is being offloaded by HW */ |
| 2605 | if (skb->encapsulation && |
| 2606 | (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK)) |
| 2607 | return mlx5e_vxlan_features_check(priv, skb, features); |
| 2608 | |
| 2609 | return features; |
| 2610 | } |
| 2611 | |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2612 | static const struct net_device_ops mlx5e_netdev_ops_basic = { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2613 | .ndo_open = mlx5e_open, |
| 2614 | .ndo_stop = mlx5e_close, |
| 2615 | .ndo_start_xmit = mlx5e_xmit, |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2616 | .ndo_setup_tc = mlx5e_ndo_setup_tc, |
| 2617 | .ndo_select_queue = mlx5e_select_queue, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2618 | .ndo_get_stats64 = mlx5e_get_stats, |
| 2619 | .ndo_set_rx_mode = mlx5e_set_rx_mode, |
| 2620 | .ndo_set_mac_address = mlx5e_set_mac, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2621 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
| 2622 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2623 | .ndo_set_features = mlx5e_set_features, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2624 | .ndo_change_mtu = mlx5e_change_mtu, |
| 2625 | .ndo_do_ioctl = mlx5e_ioctl, |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2626 | #ifdef CONFIG_RFS_ACCEL |
| 2627 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, |
| 2628 | #endif |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2629 | }; |
| 2630 | |
| 2631 | static const struct net_device_ops mlx5e_netdev_ops_sriov = { |
| 2632 | .ndo_open = mlx5e_open, |
| 2633 | .ndo_stop = mlx5e_close, |
| 2634 | .ndo_start_xmit = mlx5e_xmit, |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2635 | .ndo_setup_tc = mlx5e_ndo_setup_tc, |
| 2636 | .ndo_select_queue = mlx5e_select_queue, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2637 | .ndo_get_stats64 = mlx5e_get_stats, |
| 2638 | .ndo_set_rx_mode = mlx5e_set_rx_mode, |
| 2639 | .ndo_set_mac_address = mlx5e_set_mac, |
| 2640 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
| 2641 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, |
| 2642 | .ndo_set_features = mlx5e_set_features, |
| 2643 | .ndo_change_mtu = mlx5e_change_mtu, |
| 2644 | .ndo_do_ioctl = mlx5e_ioctl, |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2645 | .ndo_add_vxlan_port = mlx5e_add_vxlan_port, |
| 2646 | .ndo_del_vxlan_port = mlx5e_del_vxlan_port, |
| 2647 | .ndo_features_check = mlx5e_features_check, |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2648 | #ifdef CONFIG_RFS_ACCEL |
| 2649 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, |
| 2650 | #endif |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2651 | .ndo_set_vf_mac = mlx5e_set_vf_mac, |
| 2652 | .ndo_set_vf_vlan = mlx5e_set_vf_vlan, |
Mohamad Haj Yahia | f942380 | 2016-05-03 17:13:59 +0300 | [diff] [blame] | 2653 | .ndo_set_vf_spoofchk = mlx5e_set_vf_spoofchk, |
Mohamad Haj Yahia | 1edc57e | 2016-05-03 17:14:04 +0300 | [diff] [blame] | 2654 | .ndo_set_vf_trust = mlx5e_set_vf_trust, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2655 | .ndo_get_vf_config = mlx5e_get_vf_config, |
| 2656 | .ndo_set_vf_link_state = mlx5e_set_vf_link_state, |
| 2657 | .ndo_get_vf_stats = mlx5e_get_vf_stats, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2658 | }; |
| 2659 | |
| 2660 | static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) |
| 2661 | { |
| 2662 | if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) |
| 2663 | return -ENOTSUPP; |
| 2664 | if (!MLX5_CAP_GEN(mdev, eth_net_offloads) || |
| 2665 | !MLX5_CAP_GEN(mdev, nic_flow_table) || |
| 2666 | !MLX5_CAP_ETH(mdev, csum_cap) || |
| 2667 | !MLX5_CAP_ETH(mdev, max_lso_cap) || |
| 2668 | !MLX5_CAP_ETH(mdev, vlan_cap) || |
Gal Pressman | 796a27e | 2015-06-11 14:47:30 +0300 | [diff] [blame] | 2669 | !MLX5_CAP_ETH(mdev, rss_ind_tbl_cap) || |
| 2670 | MLX5_CAP_FLOWTABLE(mdev, |
| 2671 | flow_table_properties_nic_receive.max_ft_level) |
| 2672 | < 3) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2673 | mlx5_core_warn(mdev, |
| 2674 | "Not creating net device, some required device capabilities are missing\n"); |
| 2675 | return -ENOTSUPP; |
| 2676 | } |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 2677 | if (!MLX5_CAP_ETH(mdev, self_lb_en_modifiable)) |
| 2678 | mlx5_core_warn(mdev, "Self loop back prevention is not supported\n"); |
Gal Pressman | 7524a5d | 2016-03-02 00:13:37 +0200 | [diff] [blame] | 2679 | if (!MLX5_CAP_GEN(mdev, cq_moderation)) |
| 2680 | mlx5_core_warn(mdev, "CQ modiration is not supported\n"); |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 2681 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2682 | return 0; |
| 2683 | } |
| 2684 | |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 2685 | u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev) |
| 2686 | { |
| 2687 | int bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; |
| 2688 | |
| 2689 | return bf_buf_size - |
| 2690 | sizeof(struct mlx5e_tx_wqe) + |
| 2691 | 2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/; |
| 2692 | } |
| 2693 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2694 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 2695 | static void mlx5e_ets_init(struct mlx5e_priv *priv) |
| 2696 | { |
| 2697 | int i; |
| 2698 | |
| 2699 | priv->params.ets.ets_cap = mlx5_max_tc(priv->mdev) + 1; |
| 2700 | for (i = 0; i < priv->params.ets.ets_cap; i++) { |
| 2701 | priv->params.ets.tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC; |
| 2702 | priv->params.ets.tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR; |
| 2703 | priv->params.ets.prio_tc[i] = i; |
| 2704 | } |
| 2705 | |
| 2706 | /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */ |
| 2707 | priv->params.ets.prio_tc[0] = 1; |
| 2708 | priv->params.ets.prio_tc[1] = 0; |
| 2709 | } |
| 2710 | #endif |
| 2711 | |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2712 | void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev, |
| 2713 | u32 *indirection_rqt, int len, |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2714 | int num_channels) |
| 2715 | { |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2716 | int node = mdev->priv.numa_node; |
| 2717 | int node_num_of_cores; |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2718 | int i; |
| 2719 | |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2720 | if (node == -1) |
| 2721 | node = first_online_node; |
| 2722 | |
| 2723 | node_num_of_cores = cpumask_weight(cpumask_of_node(node)); |
| 2724 | |
| 2725 | if (node_num_of_cores) |
| 2726 | num_channels = min_t(int, num_channels, node_num_of_cores); |
| 2727 | |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2728 | for (i = 0; i < len; i++) |
| 2729 | indirection_rqt[i] = i % num_channels; |
| 2730 | } |
| 2731 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 2732 | static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev) |
| 2733 | { |
| 2734 | return MLX5_CAP_GEN(mdev, striding_rq) && |
| 2735 | MLX5_CAP_GEN(mdev, umr_ptr_rlky) && |
| 2736 | MLX5_CAP_ETH(mdev, reg_umr_sq); |
| 2737 | } |
| 2738 | |
Saeed Mahameed | b797a68 | 2016-05-11 00:29:16 +0300 | [diff] [blame] | 2739 | static int mlx5e_get_pci_bw(struct mlx5_core_dev *mdev, u32 *pci_bw) |
| 2740 | { |
| 2741 | enum pcie_link_width width; |
| 2742 | enum pci_bus_speed speed; |
| 2743 | int err = 0; |
| 2744 | |
| 2745 | err = pcie_get_minimum_link(mdev->pdev, &speed, &width); |
| 2746 | if (err) |
| 2747 | return err; |
| 2748 | |
| 2749 | if (speed == PCI_SPEED_UNKNOWN || width == PCIE_LNK_WIDTH_UNKNOWN) |
| 2750 | return -EINVAL; |
| 2751 | |
| 2752 | switch (speed) { |
| 2753 | case PCIE_SPEED_2_5GT: |
| 2754 | *pci_bw = 2500 * width; |
| 2755 | break; |
| 2756 | case PCIE_SPEED_5_0GT: |
| 2757 | *pci_bw = 5000 * width; |
| 2758 | break; |
| 2759 | case PCIE_SPEED_8_0GT: |
| 2760 | *pci_bw = 8000 * width; |
| 2761 | break; |
| 2762 | default: |
| 2763 | return -EINVAL; |
| 2764 | } |
| 2765 | |
| 2766 | return 0; |
| 2767 | } |
| 2768 | |
| 2769 | static bool cqe_compress_heuristic(u32 link_speed, u32 pci_bw) |
| 2770 | { |
| 2771 | return (link_speed && pci_bw && |
| 2772 | (pci_bw < 40000) && (pci_bw < link_speed)); |
| 2773 | } |
| 2774 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2775 | static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev, |
| 2776 | struct net_device *netdev, |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 2777 | int num_channels) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2778 | { |
| 2779 | struct mlx5e_priv *priv = netdev_priv(netdev); |
Saeed Mahameed | b797a68 | 2016-05-11 00:29:16 +0300 | [diff] [blame] | 2780 | u32 link_speed = 0; |
| 2781 | u32 pci_bw = 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2782 | |
| 2783 | priv->params.log_sq_size = |
| 2784 | MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 2785 | priv->params.rq_wq_type = mlx5e_check_fragmented_striding_rq_cap(mdev) ? |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 2786 | MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ : |
| 2787 | MLX5_WQ_TYPE_LINKED_LIST; |
| 2788 | |
Saeed Mahameed | b797a68 | 2016-05-11 00:29:16 +0300 | [diff] [blame] | 2789 | /* set CQE compression */ |
| 2790 | priv->params.rx_cqe_compress_admin = false; |
| 2791 | if (MLX5_CAP_GEN(mdev, cqe_compression) && |
| 2792 | MLX5_CAP_GEN(mdev, vport_group_manager)) { |
| 2793 | mlx5e_get_max_linkspeed(mdev, &link_speed); |
| 2794 | mlx5e_get_pci_bw(mdev, &pci_bw); |
| 2795 | mlx5_core_dbg(mdev, "Max link speed = %d, PCI BW = %d\n", |
| 2796 | link_speed, pci_bw); |
| 2797 | priv->params.rx_cqe_compress_admin = |
| 2798 | cqe_compress_heuristic(link_speed, pci_bw); |
| 2799 | } |
| 2800 | |
| 2801 | priv->params.rx_cqe_compress = priv->params.rx_cqe_compress_admin; |
| 2802 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 2803 | switch (priv->params.rq_wq_type) { |
| 2804 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 2805 | priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW; |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 2806 | priv->params.mpwqe_log_stride_sz = |
| 2807 | priv->params.rx_cqe_compress ? |
| 2808 | MLX5_MPWRQ_LOG_STRIDE_SIZE_CQE_COMPRESS : |
| 2809 | MLX5_MPWRQ_LOG_STRIDE_SIZE; |
| 2810 | priv->params.mpwqe_log_num_strides = MLX5_MPWRQ_LOG_WQE_SZ - |
| 2811 | priv->params.mpwqe_log_stride_sz; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 2812 | priv->params.lro_en = true; |
| 2813 | break; |
| 2814 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 2815 | priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; |
| 2816 | } |
| 2817 | |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 2818 | mlx5_core_info(mdev, |
| 2819 | "MLX5E: StrdRq(%d) RqSz(%ld) StrdSz(%ld) RxCqeCmprss(%d)\n", |
| 2820 | priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ, |
| 2821 | BIT(priv->params.log_rq_size), |
| 2822 | BIT(priv->params.mpwqe_log_stride_sz), |
| 2823 | priv->params.rx_cqe_compress_admin); |
| 2824 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 2825 | priv->params.min_rx_wqes = mlx5_min_rx_wqes(priv->params.rq_wq_type, |
| 2826 | BIT(priv->params.log_rq_size)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2827 | priv->params.rx_cq_moderation_usec = |
| 2828 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; |
| 2829 | priv->params.rx_cq_moderation_pkts = |
| 2830 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; |
| 2831 | priv->params.tx_cq_moderation_usec = |
| 2832 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; |
| 2833 | priv->params.tx_cq_moderation_pkts = |
| 2834 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 2835 | priv->params.tx_max_inline = mlx5e_get_max_inline_cap(mdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2836 | priv->params.num_tc = 1; |
Saeed Mahameed | 2be6967 | 2015-07-23 23:35:56 +0300 | [diff] [blame] | 2837 | priv->params.rss_hfunc = ETH_RSS_HASH_XOR; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2838 | |
Achiad Shochat | 57afead | 2015-08-16 16:04:45 +0300 | [diff] [blame] | 2839 | netdev_rss_key_fill(priv->params.toeplitz_hash_key, |
| 2840 | sizeof(priv->params.toeplitz_hash_key)); |
| 2841 | |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2842 | mlx5e_build_default_indir_rqt(mdev, priv->params.indirection_rqt, |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2843 | MLX5E_INDIR_RQT_SIZE, num_channels); |
Achiad Shochat | 2d75b2b | 2015-08-16 16:04:47 +0300 | [diff] [blame] | 2844 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2845 | priv->params.lro_wqe_sz = |
| 2846 | MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; |
| 2847 | |
| 2848 | priv->mdev = mdev; |
| 2849 | priv->netdev = netdev; |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 2850 | priv->params.num_channels = num_channels; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2851 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2852 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 2853 | mlx5e_ets_init(priv); |
| 2854 | #endif |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2855 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2856 | mutex_init(&priv->state_lock); |
| 2857 | |
| 2858 | INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); |
| 2859 | INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); |
| 2860 | INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work); |
| 2861 | } |
| 2862 | |
| 2863 | static void mlx5e_set_netdev_dev_addr(struct net_device *netdev) |
| 2864 | { |
| 2865 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2866 | |
Saeed Mahameed | e1d7d34 | 2015-12-01 18:03:11 +0200 | [diff] [blame] | 2867 | mlx5_query_nic_vport_mac_address(priv->mdev, 0, netdev->dev_addr); |
Saeed Mahameed | 108805f | 2015-12-10 17:12:38 +0200 | [diff] [blame] | 2868 | if (is_zero_ether_addr(netdev->dev_addr) && |
| 2869 | !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) { |
| 2870 | eth_hw_addr_random(netdev); |
| 2871 | mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr); |
| 2872 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2873 | } |
| 2874 | |
| 2875 | static void mlx5e_build_netdev(struct net_device *netdev) |
| 2876 | { |
| 2877 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2878 | struct mlx5_core_dev *mdev = priv->mdev; |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2879 | bool fcs_supported; |
| 2880 | bool fcs_enabled; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2881 | |
| 2882 | SET_NETDEV_DEV(netdev, &mdev->pdev->dev); |
| 2883 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2884 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2885 | netdev->netdev_ops = &mlx5e_netdev_ops_sriov; |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2886 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 2887 | netdev->dcbnl_ops = &mlx5e_dcbnl_ops; |
| 2888 | #endif |
| 2889 | } else { |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2890 | netdev->netdev_ops = &mlx5e_netdev_ops_basic; |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2891 | } |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 2892 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2893 | netdev->watchdog_timeo = 15 * HZ; |
| 2894 | |
| 2895 | netdev->ethtool_ops = &mlx5e_ethtool_ops; |
| 2896 | |
Saeed Mahameed | 12be4b2 | 2015-06-11 14:47:31 +0300 | [diff] [blame] | 2897 | netdev->vlan_features |= NETIF_F_SG; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2898 | netdev->vlan_features |= NETIF_F_IP_CSUM; |
| 2899 | netdev->vlan_features |= NETIF_F_IPV6_CSUM; |
| 2900 | netdev->vlan_features |= NETIF_F_GRO; |
| 2901 | netdev->vlan_features |= NETIF_F_TSO; |
| 2902 | netdev->vlan_features |= NETIF_F_TSO6; |
| 2903 | netdev->vlan_features |= NETIF_F_RXCSUM; |
| 2904 | netdev->vlan_features |= NETIF_F_RXHASH; |
| 2905 | |
| 2906 | if (!!MLX5_CAP_ETH(mdev, lro_cap)) |
| 2907 | netdev->vlan_features |= NETIF_F_LRO; |
| 2908 | |
| 2909 | netdev->hw_features = netdev->vlan_features; |
Achiad Shochat | e4cf27b | 2015-11-03 08:07:23 +0200 | [diff] [blame] | 2910 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2911 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; |
| 2912 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; |
| 2913 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2914 | if (mlx5e_vxlan_allowed(mdev)) { |
Alexander Duyck | b49663c | 2016-05-02 09:38:43 -0700 | [diff] [blame] | 2915 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
| 2916 | NETIF_F_GSO_UDP_TUNNEL_CSUM | |
| 2917 | NETIF_F_GSO_PARTIAL; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2918 | netdev->hw_enc_features |= NETIF_F_IP_CSUM; |
Alexander Duyck | f3ed653 | 2016-05-02 09:38:49 -0700 | [diff] [blame] | 2919 | netdev->hw_enc_features |= NETIF_F_IPV6_CSUM; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2920 | netdev->hw_enc_features |= NETIF_F_TSO; |
| 2921 | netdev->hw_enc_features |= NETIF_F_TSO6; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2922 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; |
Alexander Duyck | b49663c | 2016-05-02 09:38:43 -0700 | [diff] [blame] | 2923 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | |
| 2924 | NETIF_F_GSO_PARTIAL; |
| 2925 | netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2926 | } |
| 2927 | |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2928 | mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); |
| 2929 | |
| 2930 | if (fcs_supported) |
| 2931 | netdev->hw_features |= NETIF_F_RXALL; |
| 2932 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2933 | netdev->features = netdev->hw_features; |
| 2934 | if (!priv->params.lro_en) |
| 2935 | netdev->features &= ~NETIF_F_LRO; |
| 2936 | |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2937 | if (fcs_enabled) |
| 2938 | netdev->features &= ~NETIF_F_RXALL; |
| 2939 | |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2940 | #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) |
| 2941 | if (FT_CAP(flow_modify_en) && |
| 2942 | FT_CAP(modify_root) && |
| 2943 | FT_CAP(identified_miss_table_mode) && |
Maor Gottlieb | 1cabe6b | 2016-04-29 01:36:40 +0300 | [diff] [blame] | 2944 | FT_CAP(flow_table_modify)) { |
| 2945 | netdev->hw_features |= NETIF_F_HW_TC; |
| 2946 | #ifdef CONFIG_RFS_ACCEL |
| 2947 | netdev->hw_features |= NETIF_F_NTUPLE; |
| 2948 | #endif |
| 2949 | } |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2950 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2951 | netdev->features |= NETIF_F_HIGHDMA; |
| 2952 | |
| 2953 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 2954 | |
| 2955 | mlx5e_set_netdev_dev_addr(netdev); |
| 2956 | } |
| 2957 | |
| 2958 | static int mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn, |
Matan Barak | a606b0f | 2016-02-29 18:05:28 +0200 | [diff] [blame] | 2959 | struct mlx5_core_mkey *mkey) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2960 | { |
| 2961 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2962 | struct mlx5_create_mkey_mbox_in *in; |
| 2963 | int err; |
| 2964 | |
| 2965 | in = mlx5_vzalloc(sizeof(*in)); |
| 2966 | if (!in) |
| 2967 | return -ENOMEM; |
| 2968 | |
| 2969 | in->seg.flags = MLX5_PERM_LOCAL_WRITE | |
| 2970 | MLX5_PERM_LOCAL_READ | |
| 2971 | MLX5_ACCESS_MODE_PA; |
| 2972 | in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); |
| 2973 | in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); |
| 2974 | |
Matan Barak | a606b0f | 2016-02-29 18:05:28 +0200 | [diff] [blame] | 2975 | err = mlx5_core_create_mkey(mdev, mkey, in, sizeof(*in), NULL, NULL, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2976 | NULL); |
| 2977 | |
| 2978 | kvfree(in); |
| 2979 | |
| 2980 | return err; |
| 2981 | } |
| 2982 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 2983 | static void mlx5e_create_q_counter(struct mlx5e_priv *priv) |
| 2984 | { |
| 2985 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2986 | int err; |
| 2987 | |
| 2988 | err = mlx5_core_alloc_q_counter(mdev, &priv->q_counter); |
| 2989 | if (err) { |
| 2990 | mlx5_core_warn(mdev, "alloc queue counter failed, %d\n", err); |
| 2991 | priv->q_counter = 0; |
| 2992 | } |
| 2993 | } |
| 2994 | |
| 2995 | static void mlx5e_destroy_q_counter(struct mlx5e_priv *priv) |
| 2996 | { |
| 2997 | if (!priv->q_counter) |
| 2998 | return; |
| 2999 | |
| 3000 | mlx5_core_dealloc_q_counter(priv->mdev, priv->q_counter); |
| 3001 | } |
| 3002 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3003 | static int mlx5e_create_umr_mkey(struct mlx5e_priv *priv) |
| 3004 | { |
| 3005 | struct mlx5_core_dev *mdev = priv->mdev; |
| 3006 | struct mlx5_create_mkey_mbox_in *in; |
| 3007 | struct mlx5_mkey_seg *mkc; |
| 3008 | int inlen = sizeof(*in); |
| 3009 | u64 npages = |
| 3010 | mlx5e_get_max_num_channels(mdev) * MLX5_CHANNEL_MAX_NUM_MTTS; |
| 3011 | int err; |
| 3012 | |
| 3013 | in = mlx5_vzalloc(inlen); |
| 3014 | if (!in) |
| 3015 | return -ENOMEM; |
| 3016 | |
| 3017 | mkc = &in->seg; |
| 3018 | mkc->status = MLX5_MKEY_STATUS_FREE; |
| 3019 | mkc->flags = MLX5_PERM_UMR_EN | |
| 3020 | MLX5_PERM_LOCAL_READ | |
| 3021 | MLX5_PERM_LOCAL_WRITE | |
| 3022 | MLX5_ACCESS_MODE_MTT; |
| 3023 | |
| 3024 | mkc->qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); |
| 3025 | mkc->flags_pd = cpu_to_be32(priv->pdn); |
| 3026 | mkc->len = cpu_to_be64(npages << PAGE_SHIFT); |
| 3027 | mkc->xlt_oct_size = cpu_to_be32(mlx5e_get_mtt_octw(npages)); |
| 3028 | mkc->log2_page_size = PAGE_SHIFT; |
| 3029 | |
| 3030 | err = mlx5_core_create_mkey(mdev, &priv->umr_mkey, in, inlen, NULL, |
| 3031 | NULL, NULL); |
| 3032 | |
| 3033 | kvfree(in); |
| 3034 | |
| 3035 | return err; |
| 3036 | } |
| 3037 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3038 | static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev) |
| 3039 | { |
| 3040 | struct net_device *netdev; |
| 3041 | struct mlx5e_priv *priv; |
Achiad Shochat | 3435ab5 | 2015-11-03 08:07:21 +0200 | [diff] [blame] | 3042 | int nch = mlx5e_get_max_num_channels(mdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3043 | int err; |
| 3044 | |
| 3045 | if (mlx5e_check_required_hca_cap(mdev)) |
| 3046 | return NULL; |
| 3047 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3048 | netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), |
| 3049 | nch * MLX5E_MAX_NUM_TC, |
| 3050 | nch); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3051 | if (!netdev) { |
| 3052 | mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); |
| 3053 | return NULL; |
| 3054 | } |
| 3055 | |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 3056 | mlx5e_build_netdev_priv(mdev, netdev, nch); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3057 | mlx5e_build_netdev(netdev); |
| 3058 | |
| 3059 | netif_carrier_off(netdev); |
| 3060 | |
| 3061 | priv = netdev_priv(netdev); |
| 3062 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3063 | priv->wq = create_singlethread_workqueue("mlx5e"); |
| 3064 | if (!priv->wq) |
| 3065 | goto err_free_netdev; |
| 3066 | |
Moshe Lazer | 0ba4224 | 2016-03-02 00:13:40 +0200 | [diff] [blame] | 3067 | err = mlx5_alloc_map_uar(mdev, &priv->cq_uar, false); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3068 | if (err) { |
Achiad Shochat | 1f2a300 | 2015-07-29 15:05:44 +0300 | [diff] [blame] | 3069 | mlx5_core_err(mdev, "alloc_map uar failed, %d\n", err); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3070 | goto err_destroy_wq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3071 | } |
| 3072 | |
| 3073 | err = mlx5_core_alloc_pd(mdev, &priv->pdn); |
| 3074 | if (err) { |
Achiad Shochat | 1f2a300 | 2015-07-29 15:05:44 +0300 | [diff] [blame] | 3075 | mlx5_core_err(mdev, "alloc pd failed, %d\n", err); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3076 | goto err_unmap_free_uar; |
| 3077 | } |
| 3078 | |
majd@mellanox.com | 8d7f9ec | 2016-01-14 19:12:59 +0200 | [diff] [blame] | 3079 | err = mlx5_core_alloc_transport_domain(mdev, &priv->tdn); |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 3080 | if (err) { |
Achiad Shochat | 1f2a300 | 2015-07-29 15:05:44 +0300 | [diff] [blame] | 3081 | mlx5_core_err(mdev, "alloc td failed, %d\n", err); |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 3082 | goto err_dealloc_pd; |
| 3083 | } |
| 3084 | |
Matan Barak | a606b0f | 2016-02-29 18:05:28 +0200 | [diff] [blame] | 3085 | err = mlx5e_create_mkey(priv, priv->pdn, &priv->mkey); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3086 | if (err) { |
Achiad Shochat | 1f2a300 | 2015-07-29 15:05:44 +0300 | [diff] [blame] | 3087 | mlx5_core_err(mdev, "create mkey failed, %d\n", err); |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 3088 | goto err_dealloc_transport_domain; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3089 | } |
| 3090 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3091 | err = mlx5e_create_umr_mkey(priv); |
| 3092 | if (err) { |
| 3093 | mlx5_core_err(mdev, "create umr mkey failed, %d\n", err); |
| 3094 | goto err_destroy_mkey; |
| 3095 | } |
| 3096 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3097 | err = mlx5e_create_tises(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3098 | if (err) { |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3099 | mlx5_core_warn(mdev, "create tises failed, %d\n", err); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3100 | goto err_destroy_umr_mkey; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3101 | } |
| 3102 | |
| 3103 | err = mlx5e_open_drop_rq(priv); |
| 3104 | if (err) { |
| 3105 | mlx5_core_err(mdev, "open drop rq failed, %d\n", err); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3106 | goto err_destroy_tises; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3107 | } |
| 3108 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 3109 | err = mlx5e_create_rqts(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3110 | if (err) { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 3111 | mlx5_core_warn(mdev, "create rqts failed, %d\n", err); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3112 | goto err_close_drop_rq; |
| 3113 | } |
| 3114 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3115 | err = mlx5e_create_tirs(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3116 | if (err) { |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3117 | mlx5_core_warn(mdev, "create tirs failed, %d\n", err); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 3118 | goto err_destroy_rqts; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3119 | } |
| 3120 | |
Maor Gottlieb | acff797 | 2016-04-29 01:36:37 +0300 | [diff] [blame] | 3121 | err = mlx5e_create_flow_steering(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3122 | if (err) { |
Maor Gottlieb | acff797 | 2016-04-29 01:36:37 +0300 | [diff] [blame] | 3123 | mlx5_core_warn(mdev, "create flow steering failed, %d\n", err); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3124 | goto err_destroy_tirs; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3125 | } |
| 3126 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3127 | mlx5e_create_q_counter(priv); |
| 3128 | |
Maor Gottlieb | 33cfaaa | 2016-04-29 01:36:38 +0300 | [diff] [blame] | 3129 | mlx5e_init_l2_addr(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3130 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3131 | mlx5e_vxlan_init(priv); |
| 3132 | |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3133 | err = mlx5e_tc_init(priv); |
| 3134 | if (err) |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3135 | goto err_dealloc_q_counters; |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3136 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3137 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 3138 | mlx5e_dcbnl_ieee_setets_core(priv, &priv->params.ets); |
| 3139 | #endif |
| 3140 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3141 | err = register_netdev(netdev); |
| 3142 | if (err) { |
Achiad Shochat | 1f2a300 | 2015-07-29 15:05:44 +0300 | [diff] [blame] | 3143 | mlx5_core_err(mdev, "register_netdev failed, %d\n", err); |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3144 | goto err_tc_cleanup; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3145 | } |
| 3146 | |
Matthew Finlay | 01a1409 | 2016-04-29 01:36:31 +0300 | [diff] [blame] | 3147 | if (mlx5e_vxlan_allowed(mdev)) { |
| 3148 | rtnl_lock(); |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3149 | vxlan_get_rx_port(netdev); |
Matthew Finlay | 01a1409 | 2016-04-29 01:36:31 +0300 | [diff] [blame] | 3150 | rtnl_unlock(); |
| 3151 | } |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3152 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3153 | mlx5e_enable_async_events(priv); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3154 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3155 | |
| 3156 | return priv; |
| 3157 | |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3158 | err_tc_cleanup: |
| 3159 | mlx5e_tc_cleanup(priv); |
| 3160 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3161 | err_dealloc_q_counters: |
| 3162 | mlx5e_destroy_q_counter(priv); |
Maor Gottlieb | acff797 | 2016-04-29 01:36:37 +0300 | [diff] [blame] | 3163 | mlx5e_destroy_flow_steering(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3164 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3165 | err_destroy_tirs: |
| 3166 | mlx5e_destroy_tirs(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3167 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 3168 | err_destroy_rqts: |
| 3169 | mlx5e_destroy_rqts(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3170 | |
| 3171 | err_close_drop_rq: |
| 3172 | mlx5e_close_drop_rq(priv); |
| 3173 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3174 | err_destroy_tises: |
| 3175 | mlx5e_destroy_tises(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3176 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3177 | err_destroy_umr_mkey: |
| 3178 | mlx5_core_destroy_mkey(mdev, &priv->umr_mkey); |
| 3179 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3180 | err_destroy_mkey: |
Matan Barak | a606b0f | 2016-02-29 18:05:28 +0200 | [diff] [blame] | 3181 | mlx5_core_destroy_mkey(mdev, &priv->mkey); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3182 | |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 3183 | err_dealloc_transport_domain: |
majd@mellanox.com | 8d7f9ec | 2016-01-14 19:12:59 +0200 | [diff] [blame] | 3184 | mlx5_core_dealloc_transport_domain(mdev, priv->tdn); |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 3185 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3186 | err_dealloc_pd: |
| 3187 | mlx5_core_dealloc_pd(mdev, priv->pdn); |
| 3188 | |
| 3189 | err_unmap_free_uar: |
| 3190 | mlx5_unmap_free_uar(mdev, &priv->cq_uar); |
| 3191 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3192 | err_destroy_wq: |
| 3193 | destroy_workqueue(priv->wq); |
| 3194 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3195 | err_free_netdev: |
| 3196 | free_netdev(netdev); |
| 3197 | |
| 3198 | return NULL; |
| 3199 | } |
| 3200 | |
| 3201 | static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv) |
| 3202 | { |
| 3203 | struct mlx5e_priv *priv = vpriv; |
| 3204 | struct net_device *netdev = priv->netdev; |
| 3205 | |
Achiad Shochat | 9b37b07 | 2015-08-04 14:05:46 +0300 | [diff] [blame] | 3206 | set_bit(MLX5E_STATE_DESTROYING, &priv->state); |
| 3207 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3208 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Achiad Shochat | 1cefa32 | 2015-08-04 14:05:45 +0300 | [diff] [blame] | 3209 | mlx5e_disable_async_events(priv); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3210 | flush_workqueue(priv->wq); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 3211 | if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { |
| 3212 | netif_device_detach(netdev); |
Eran Ben Elisha | 811afea | 2016-06-10 00:07:39 +0300 | [diff] [blame] | 3213 | mlx5e_close(netdev); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 3214 | } else { |
| 3215 | unregister_netdev(netdev); |
| 3216 | } |
| 3217 | |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3218 | mlx5e_tc_cleanup(priv); |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3219 | mlx5e_vxlan_cleanup(priv); |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3220 | mlx5e_destroy_q_counter(priv); |
Maor Gottlieb | acff797 | 2016-04-29 01:36:37 +0300 | [diff] [blame] | 3221 | mlx5e_destroy_flow_steering(priv); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3222 | mlx5e_destroy_tirs(priv); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 3223 | mlx5e_destroy_rqts(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3224 | mlx5e_close_drop_rq(priv); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 3225 | mlx5e_destroy_tises(priv); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3226 | mlx5_core_destroy_mkey(priv->mdev, &priv->umr_mkey); |
Matan Barak | a606b0f | 2016-02-29 18:05:28 +0200 | [diff] [blame] | 3227 | mlx5_core_destroy_mkey(priv->mdev, &priv->mkey); |
majd@mellanox.com | 8d7f9ec | 2016-01-14 19:12:59 +0200 | [diff] [blame] | 3228 | mlx5_core_dealloc_transport_domain(priv->mdev, priv->tdn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3229 | mlx5_core_dealloc_pd(priv->mdev, priv->pdn); |
| 3230 | mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3231 | cancel_delayed_work_sync(&priv->update_stats_work); |
| 3232 | destroy_workqueue(priv->wq); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 3233 | |
| 3234 | if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) |
| 3235 | free_netdev(netdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3236 | } |
| 3237 | |
| 3238 | static void *mlx5e_get_netdev(void *vpriv) |
| 3239 | { |
| 3240 | struct mlx5e_priv *priv = vpriv; |
| 3241 | |
| 3242 | return priv->netdev; |
| 3243 | } |
| 3244 | |
| 3245 | static struct mlx5_interface mlx5e_interface = { |
| 3246 | .add = mlx5e_create_netdev, |
| 3247 | .remove = mlx5e_destroy_netdev, |
| 3248 | .event = mlx5e_async_event, |
| 3249 | .protocol = MLX5_INTERFACE_PROTOCOL_ETH, |
| 3250 | .get_dev = mlx5e_get_netdev, |
| 3251 | }; |
| 3252 | |
| 3253 | void mlx5e_init(void) |
| 3254 | { |
| 3255 | mlx5_register_interface(&mlx5e_interface); |
| 3256 | } |
| 3257 | |
| 3258 | void mlx5e_cleanup(void) |
| 3259 | { |
| 3260 | mlx5_unregister_interface(&mlx5e_interface); |
| 3261 | } |