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 { |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 50 | u32 rqc[MLX5_ST_SZ_DW(rqc)]; |
| 51 | struct mlx5_wq_param wq; |
| 52 | bool am_enabled; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 53 | }; |
| 54 | |
| 55 | struct mlx5e_sq_param { |
| 56 | u32 sqc[MLX5_ST_SZ_DW(sqc)]; |
| 57 | struct mlx5_wq_param wq; |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 58 | u16 max_inline; |
Hadar Hen Zion | cff92d7 | 2016-07-24 16:12:40 +0300 | [diff] [blame] | 59 | u8 min_inline_mode; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 60 | bool icosq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 61 | }; |
| 62 | |
| 63 | struct mlx5e_cq_param { |
| 64 | u32 cqc[MLX5_ST_SZ_DW(cqc)]; |
| 65 | struct mlx5_wq_param wq; |
| 66 | u16 eq_ix; |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 67 | u8 cq_period_mode; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 68 | }; |
| 69 | |
| 70 | struct mlx5e_channel_param { |
| 71 | struct mlx5e_rq_param rq; |
| 72 | struct mlx5e_sq_param sq; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 73 | struct mlx5e_sq_param icosq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 74 | struct mlx5e_cq_param rx_cq; |
| 75 | struct mlx5e_cq_param tx_cq; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 76 | struct mlx5e_cq_param icosq_cq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 77 | }; |
| 78 | |
| 79 | static void mlx5e_update_carrier(struct mlx5e_priv *priv) |
| 80 | { |
| 81 | struct mlx5_core_dev *mdev = priv->mdev; |
| 82 | u8 port_state; |
| 83 | |
| 84 | port_state = mlx5_query_vport_state(mdev, |
Saeed Mahameed | e754651 | 2015-12-01 18:03:13 +0200 | [diff] [blame] | 85 | MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT, 0); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 86 | |
Shaker Daibes | 87424ad | 2016-06-30 17:34:50 +0300 | [diff] [blame] | 87 | if (port_state == VPORT_STATE_UP) { |
| 88 | netdev_info(priv->netdev, "Link up\n"); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 89 | netif_carrier_on(priv->netdev); |
Shaker Daibes | 87424ad | 2016-06-30 17:34:50 +0300 | [diff] [blame] | 90 | } else { |
| 91 | netdev_info(priv->netdev, "Link down\n"); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 92 | netif_carrier_off(priv->netdev); |
Shaker Daibes | 87424ad | 2016-06-30 17:34:50 +0300 | [diff] [blame] | 93 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 94 | } |
| 95 | |
| 96 | static void mlx5e_update_carrier_work(struct work_struct *work) |
| 97 | { |
| 98 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, |
| 99 | update_carrier_work); |
| 100 | |
| 101 | mutex_lock(&priv->state_lock); |
| 102 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 103 | mlx5e_update_carrier(priv); |
| 104 | mutex_unlock(&priv->state_lock); |
| 105 | } |
| 106 | |
Daniel Jurgens | 3947ca1 | 2016-06-30 17:34:45 +0300 | [diff] [blame] | 107 | static void mlx5e_tx_timeout_work(struct work_struct *work) |
| 108 | { |
| 109 | struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, |
| 110 | tx_timeout_work); |
| 111 | int err; |
| 112 | |
| 113 | rtnl_lock(); |
| 114 | mutex_lock(&priv->state_lock); |
| 115 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 116 | goto unlock; |
| 117 | mlx5e_close_locked(priv->netdev); |
| 118 | err = mlx5e_open_locked(priv->netdev); |
| 119 | if (err) |
| 120 | netdev_err(priv->netdev, "mlx5e_open_locked failed recovering from a tx_timeout, err(%d).\n", |
| 121 | err); |
| 122 | unlock: |
| 123 | mutex_unlock(&priv->state_lock); |
| 124 | rtnl_unlock(); |
| 125 | } |
| 126 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 127 | static void mlx5e_update_sw_counters(struct mlx5e_priv *priv) |
Gal Pressman | efea389 | 2015-08-04 14:05:47 +0300 | [diff] [blame] | 128 | { |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 129 | struct mlx5e_sw_stats *s = &priv->stats.sw; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 130 | struct mlx5e_rq_stats *rq_stats; |
| 131 | struct mlx5e_sq_stats *sq_stats; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 132 | u64 tx_offload_none = 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 133 | int i, j; |
| 134 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 135 | memset(s, 0, sizeof(*s)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 136 | for (i = 0; i < priv->params.num_channels; i++) { |
| 137 | rq_stats = &priv->channel[i]->rq.stats; |
| 138 | |
Gal Pressman | faf4478 | 2016-02-29 21:17:15 +0200 | [diff] [blame] | 139 | s->rx_packets += rq_stats->packets; |
| 140 | s->rx_bytes += rq_stats->bytes; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 141 | s->rx_lro_packets += rq_stats->lro_packets; |
| 142 | s->rx_lro_bytes += rq_stats->lro_bytes; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 143 | s->rx_csum_none += rq_stats->csum_none; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 144 | s->rx_csum_complete += rq_stats->csum_complete; |
| 145 | s->rx_csum_unnecessary_inner += rq_stats->csum_unnecessary_inner; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 146 | s->rx_wqe_err += rq_stats->wqe_err; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 147 | s->rx_mpwqe_filler += rq_stats->mpwqe_filler; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 148 | s->rx_mpwqe_frag += rq_stats->mpwqe_frag; |
Tariq Toukan | 5498440 | 2016-04-20 22:02:19 +0300 | [diff] [blame] | 149 | s->rx_buff_alloc_err += rq_stats->buff_alloc_err; |
Tariq Toukan | 7219ab3 | 2016-05-11 00:29:14 +0300 | [diff] [blame] | 150 | s->rx_cqe_compress_blks += rq_stats->cqe_compress_blks; |
| 151 | s->rx_cqe_compress_pkts += rq_stats->cqe_compress_pkts; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 152 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 153 | for (j = 0; j < priv->params.num_tc; j++) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 154 | sq_stats = &priv->channel[i]->sq[j].stats; |
| 155 | |
Gal Pressman | faf4478 | 2016-02-29 21:17:15 +0200 | [diff] [blame] | 156 | s->tx_packets += sq_stats->packets; |
| 157 | s->tx_bytes += sq_stats->bytes; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 158 | s->tx_tso_packets += sq_stats->tso_packets; |
| 159 | s->tx_tso_bytes += sq_stats->tso_bytes; |
| 160 | s->tx_tso_inner_packets += sq_stats->tso_inner_packets; |
| 161 | s->tx_tso_inner_bytes += sq_stats->tso_inner_bytes; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 162 | s->tx_queue_stopped += sq_stats->stopped; |
| 163 | s->tx_queue_wake += sq_stats->wake; |
| 164 | s->tx_queue_dropped += sq_stats->dropped; |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 165 | s->tx_csum_partial_inner += sq_stats->csum_partial_inner; |
| 166 | tx_offload_none += sq_stats->csum_none; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 167 | } |
| 168 | } |
| 169 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 170 | /* Update calculated offload counters */ |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 171 | s->tx_csum_partial = s->tx_packets - tx_offload_none - s->tx_csum_partial_inner; |
| 172 | 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] | 173 | |
Gal Pressman | bfe6d8d | 2016-06-27 12:08:38 +0300 | [diff] [blame] | 174 | s->link_down_events_phy = MLX5_GET(ppcnt_reg, |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 175 | priv->stats.pport.phy_counters, |
| 176 | counter_set.phys_layer_cntrs.link_down_events); |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | static void mlx5e_update_vport_counters(struct mlx5e_priv *priv) |
| 180 | { |
| 181 | int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); |
| 182 | u32 *out = (u32 *)priv->stats.vport.query_vport_out; |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 183 | u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)] = {0}; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 184 | struct mlx5_core_dev *mdev = priv->mdev; |
| 185 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 186 | MLX5_SET(query_vport_counter_in, in, opcode, |
| 187 | MLX5_CMD_OP_QUERY_VPORT_COUNTER); |
| 188 | MLX5_SET(query_vport_counter_in, in, op_mod, 0); |
| 189 | MLX5_SET(query_vport_counter_in, in, other_vport, 0); |
| 190 | |
| 191 | memset(out, 0, outlen); |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 192 | mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen); |
| 193 | } |
| 194 | |
| 195 | static void mlx5e_update_pport_counters(struct mlx5e_priv *priv) |
| 196 | { |
| 197 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
| 198 | struct mlx5_core_dev *mdev = priv->mdev; |
| 199 | int sz = MLX5_ST_SZ_BYTES(ppcnt_reg); |
Gal Pressman | cf67857 | 2016-04-24 22:51:49 +0300 | [diff] [blame] | 200 | int prio; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 201 | void *out; |
| 202 | u32 *in; |
| 203 | |
| 204 | in = mlx5_vzalloc(sz); |
| 205 | if (!in) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 206 | goto free_out; |
| 207 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 208 | MLX5_SET(ppcnt_reg, in, local_port, 1); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 209 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 210 | out = pstats->IEEE_802_3_counters; |
| 211 | MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); |
| 212 | 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] | 213 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 214 | out = pstats->RFC_2863_counters; |
| 215 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); |
| 216 | 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] | 217 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 218 | out = pstats->RFC_2819_counters; |
| 219 | MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); |
| 220 | 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] | 221 | |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 222 | out = pstats->phy_counters; |
| 223 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP); |
| 224 | mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); |
| 225 | |
Gal Pressman | cf67857 | 2016-04-24 22:51:49 +0300 | [diff] [blame] | 226 | MLX5_SET(ppcnt_reg, in, grp, MLX5_PER_PRIORITY_COUNTERS_GROUP); |
| 227 | for (prio = 0; prio < NUM_PPORT_PRIO; prio++) { |
| 228 | out = pstats->per_prio_counters[prio]; |
| 229 | MLX5_SET(ppcnt_reg, in, prio_tc, prio); |
| 230 | mlx5_core_access_reg(mdev, in, sz, out, sz, |
| 231 | MLX5_REG_PPCNT, 0, 0); |
| 232 | } |
| 233 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 234 | free_out: |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 235 | kvfree(in); |
| 236 | } |
| 237 | |
| 238 | static void mlx5e_update_q_counter(struct mlx5e_priv *priv) |
| 239 | { |
| 240 | struct mlx5e_qcounter_stats *qcnt = &priv->stats.qcnt; |
| 241 | |
| 242 | if (!priv->q_counter) |
| 243 | return; |
| 244 | |
| 245 | mlx5_core_query_out_of_buffer(priv->mdev, priv->q_counter, |
| 246 | &qcnt->rx_out_of_buffer); |
| 247 | } |
| 248 | |
| 249 | void mlx5e_update_stats(struct mlx5e_priv *priv) |
| 250 | { |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 251 | mlx5e_update_q_counter(priv); |
| 252 | mlx5e_update_vport_counters(priv); |
| 253 | mlx5e_update_pport_counters(priv); |
Gal Pressman | 121fcdc | 2016-04-24 22:51:50 +0300 | [diff] [blame] | 254 | mlx5e_update_sw_counters(priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 255 | } |
| 256 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 257 | void mlx5e_update_stats_work(struct work_struct *work) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 258 | { |
| 259 | struct delayed_work *dwork = to_delayed_work(work); |
| 260 | struct mlx5e_priv *priv = container_of(dwork, struct mlx5e_priv, |
| 261 | update_stats_work); |
| 262 | mutex_lock(&priv->state_lock); |
| 263 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) { |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 264 | priv->profile->update_stats(priv); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 265 | queue_delayed_work(priv->wq, dwork, |
| 266 | msecs_to_jiffies(MLX5E_UPDATE_STATS_INTERVAL)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 267 | } |
| 268 | mutex_unlock(&priv->state_lock); |
| 269 | } |
| 270 | |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 271 | static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, |
| 272 | enum mlx5_dev_event event, unsigned long param) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 273 | { |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 274 | struct mlx5e_priv *priv = vpriv; |
| 275 | |
Eli Cohen | e0f46eb | 2016-06-27 12:08:34 +0300 | [diff] [blame] | 276 | if (!test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state)) |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 277 | return; |
| 278 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 279 | switch (event) { |
| 280 | case MLX5_DEV_EVENT_PORT_UP: |
| 281 | case MLX5_DEV_EVENT_PORT_DOWN: |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 282 | queue_work(priv->wq, &priv->update_carrier_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 283 | break; |
| 284 | |
| 285 | default: |
| 286 | break; |
| 287 | } |
| 288 | } |
| 289 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 290 | static void mlx5e_enable_async_events(struct mlx5e_priv *priv) |
| 291 | { |
Eli Cohen | e0f46eb | 2016-06-27 12:08:34 +0300 | [diff] [blame] | 292 | set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 293 | } |
| 294 | |
| 295 | static void mlx5e_disable_async_events(struct mlx5e_priv *priv) |
| 296 | { |
Eli Cohen | e0f46eb | 2016-06-27 12:08:34 +0300 | [diff] [blame] | 297 | clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLED, &priv->state); |
Tariq Toukan | daa2156 | 2016-03-02 00:13:32 +0200 | [diff] [blame] | 298 | synchronize_irq(mlx5_get_msix_vec(priv->mdev, MLX5_EQ_VEC_ASYNC)); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 299 | } |
| 300 | |
Saeed Mahameed | facc969 | 2015-06-11 14:47:27 +0300 | [diff] [blame] | 301 | #define MLX5E_HW2SW_MTU(hwmtu) (hwmtu - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) |
| 302 | #define MLX5E_SW2HW_MTU(swmtu) (swmtu + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN)) |
| 303 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 304 | static int mlx5e_create_rq(struct mlx5e_channel *c, |
| 305 | struct mlx5e_rq_param *param, |
| 306 | struct mlx5e_rq *rq) |
| 307 | { |
| 308 | struct mlx5e_priv *priv = c->priv; |
| 309 | struct mlx5_core_dev *mdev = priv->mdev; |
| 310 | void *rqc = param->rqc; |
| 311 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 312 | u32 byte_count; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 313 | int wq_sz; |
| 314 | int err; |
| 315 | int i; |
| 316 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 317 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
| 318 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 319 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, |
| 320 | &rq->wq_ctrl); |
| 321 | if (err) |
| 322 | return err; |
| 323 | |
| 324 | rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; |
| 325 | |
| 326 | wq_sz = mlx5_wq_ll_get_size(&rq->wq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 327 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 328 | switch (priv->params.rq_wq_type) { |
| 329 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 330 | rq->wqe_info = kzalloc_node(wq_sz * sizeof(*rq->wqe_info), |
| 331 | GFP_KERNEL, cpu_to_node(c->cpu)); |
| 332 | if (!rq->wqe_info) { |
| 333 | err = -ENOMEM; |
| 334 | goto err_rq_wq_destroy; |
| 335 | } |
| 336 | rq->handle_rx_cqe = mlx5e_handle_rx_cqe_mpwrq; |
| 337 | rq->alloc_wqe = mlx5e_alloc_rx_mpwqe; |
Daniel Jurgens | 6cd392a | 2016-06-30 17:34:46 +0300 | [diff] [blame] | 338 | rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 339 | |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 340 | rq->mpwqe_stride_sz = BIT(priv->params.mpwqe_log_stride_sz); |
| 341 | rq->mpwqe_num_strides = BIT(priv->params.mpwqe_log_num_strides); |
| 342 | rq->wqe_sz = rq->mpwqe_stride_sz * rq->mpwqe_num_strides; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 343 | byte_count = rq->wqe_sz; |
| 344 | break; |
| 345 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 346 | rq->skb = kzalloc_node(wq_sz * sizeof(*rq->skb), GFP_KERNEL, |
| 347 | cpu_to_node(c->cpu)); |
| 348 | if (!rq->skb) { |
| 349 | err = -ENOMEM; |
| 350 | goto err_rq_wq_destroy; |
| 351 | } |
| 352 | rq->handle_rx_cqe = mlx5e_handle_rx_cqe; |
| 353 | rq->alloc_wqe = mlx5e_alloc_rx_wqe; |
Daniel Jurgens | 6cd392a | 2016-06-30 17:34:46 +0300 | [diff] [blame] | 354 | rq->dealloc_wqe = mlx5e_dealloc_rx_wqe; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 355 | |
| 356 | rq->wqe_sz = (priv->params.lro_en) ? |
| 357 | priv->params.lro_wqe_sz : |
| 358 | MLX5E_SW2HW_MTU(priv->netdev->mtu); |
Tariq Toukan | c5adb96 | 2016-04-20 22:02:16 +0300 | [diff] [blame] | 359 | rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz); |
| 360 | byte_count = rq->wqe_sz; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 361 | byte_count |= MLX5_HW_START_PADDING; |
| 362 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 363 | |
| 364 | for (i = 0; i < wq_sz; i++) { |
| 365 | struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); |
| 366 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 367 | wqe->data.byte_count = cpu_to_be32(byte_count); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 368 | } |
| 369 | |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 370 | INIT_WORK(&rq->am.work, mlx5e_rx_am_work); |
| 371 | rq->am.mode = priv->params.rx_cq_period_mode; |
| 372 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 373 | rq->wq_type = priv->params.rq_wq_type; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 374 | rq->pdev = c->pdev; |
| 375 | rq->netdev = c->netdev; |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 376 | rq->tstamp = &priv->tstamp; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 377 | rq->channel = c; |
| 378 | rq->ix = c->ix; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 379 | rq->priv = c->priv; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 380 | rq->mkey_be = c->mkey_be; |
| 381 | rq->umr_mkey_be = cpu_to_be32(c->priv->umr_mkey.key); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 382 | |
| 383 | return 0; |
| 384 | |
| 385 | err_rq_wq_destroy: |
| 386 | mlx5_wq_destroy(&rq->wq_ctrl); |
| 387 | |
| 388 | return err; |
| 389 | } |
| 390 | |
| 391 | static void mlx5e_destroy_rq(struct mlx5e_rq *rq) |
| 392 | { |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 393 | switch (rq->wq_type) { |
| 394 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 395 | kfree(rq->wqe_info); |
| 396 | break; |
| 397 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 398 | kfree(rq->skb); |
| 399 | } |
| 400 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 401 | mlx5_wq_destroy(&rq->wq_ctrl); |
| 402 | } |
| 403 | |
| 404 | static int mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) |
| 405 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 406 | struct mlx5e_priv *priv = rq->priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 407 | struct mlx5_core_dev *mdev = priv->mdev; |
| 408 | |
| 409 | void *in; |
| 410 | void *rqc; |
| 411 | void *wq; |
| 412 | int inlen; |
| 413 | int err; |
| 414 | |
| 415 | inlen = MLX5_ST_SZ_BYTES(create_rq_in) + |
| 416 | sizeof(u64) * rq->wq_ctrl.buf.npages; |
| 417 | in = mlx5_vzalloc(inlen); |
| 418 | if (!in) |
| 419 | return -ENOMEM; |
| 420 | |
| 421 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); |
| 422 | wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 423 | |
| 424 | memcpy(rqc, param->rqc, sizeof(param->rqc)); |
| 425 | |
Achiad Shochat | 97de9f3 | 2015-07-29 15:05:43 +0300 | [diff] [blame] | 426 | MLX5_SET(rqc, rqc, cqn, rq->cq.mcq.cqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 427 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); |
| 428 | MLX5_SET(rqc, rqc, flush_in_error_en, 1); |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 429 | MLX5_SET(rqc, rqc, vsd, priv->params.vlan_strip_disable); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 430 | 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] | 431 | MLX5_ADAPTER_PAGE_SHIFT); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 432 | MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); |
| 433 | |
| 434 | mlx5_fill_page_array(&rq->wq_ctrl.buf, |
| 435 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); |
| 436 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 437 | err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 438 | |
| 439 | kvfree(in); |
| 440 | |
| 441 | return err; |
| 442 | } |
| 443 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 444 | static int mlx5e_modify_rq_state(struct mlx5e_rq *rq, int curr_state, |
| 445 | int next_state) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 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, curr_state); |
| 464 | MLX5_SET(rqc, rqc, state, next_state); |
| 465 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 466 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 467 | |
| 468 | kvfree(in); |
| 469 | |
| 470 | return err; |
| 471 | } |
| 472 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 473 | static int mlx5e_modify_rq_vsd(struct mlx5e_rq *rq, bool vsd) |
| 474 | { |
| 475 | struct mlx5e_channel *c = rq->channel; |
| 476 | struct mlx5e_priv *priv = c->priv; |
| 477 | struct mlx5_core_dev *mdev = priv->mdev; |
| 478 | |
| 479 | void *in; |
| 480 | void *rqc; |
| 481 | int inlen; |
| 482 | int err; |
| 483 | |
| 484 | inlen = MLX5_ST_SZ_BYTES(modify_rq_in); |
| 485 | in = mlx5_vzalloc(inlen); |
| 486 | if (!in) |
| 487 | return -ENOMEM; |
| 488 | |
| 489 | rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); |
| 490 | |
| 491 | MLX5_SET(modify_rq_in, in, rq_state, MLX5_RQC_STATE_RDY); |
Alex Vesker | 83b502a | 2016-08-04 17:32:02 +0300 | [diff] [blame] | 492 | MLX5_SET64(modify_rq_in, in, modify_bitmask, |
| 493 | MLX5_MODIFY_RQ_IN_MODIFY_BITMASK_VSD); |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 494 | MLX5_SET(rqc, rqc, vsd, vsd); |
| 495 | MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RDY); |
| 496 | |
| 497 | err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen); |
| 498 | |
| 499 | kvfree(in); |
| 500 | |
| 501 | return err; |
| 502 | } |
| 503 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 504 | static void mlx5e_disable_rq(struct mlx5e_rq *rq) |
| 505 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 506 | mlx5_core_destroy_rq(rq->priv->mdev, rq->rqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 507 | } |
| 508 | |
| 509 | static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) |
| 510 | { |
Achiad Shochat | 01c196a | 2015-11-03 08:07:19 +0200 | [diff] [blame] | 511 | unsigned long exp_time = jiffies + msecs_to_jiffies(20000); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 512 | struct mlx5e_channel *c = rq->channel; |
| 513 | struct mlx5e_priv *priv = c->priv; |
| 514 | struct mlx5_wq_ll *wq = &rq->wq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 515 | |
Achiad Shochat | 01c196a | 2015-11-03 08:07:19 +0200 | [diff] [blame] | 516 | while (time_before(jiffies, exp_time)) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 517 | if (wq->cur_sz >= priv->params.min_rx_wqes) |
| 518 | return 0; |
| 519 | |
| 520 | msleep(20); |
| 521 | } |
| 522 | |
| 523 | return -ETIMEDOUT; |
| 524 | } |
| 525 | |
| 526 | static int mlx5e_open_rq(struct mlx5e_channel *c, |
| 527 | struct mlx5e_rq_param *param, |
| 528 | struct mlx5e_rq *rq) |
| 529 | { |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 530 | struct mlx5e_sq *sq = &c->icosq; |
| 531 | u16 pi = sq->pc & sq->wq.sz_m1; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 532 | int err; |
| 533 | |
| 534 | err = mlx5e_create_rq(c, param, rq); |
| 535 | if (err) |
| 536 | return err; |
| 537 | |
| 538 | err = mlx5e_enable_rq(rq, param); |
| 539 | if (err) |
| 540 | goto err_destroy_rq; |
| 541 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 542 | 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] | 543 | if (err) |
| 544 | goto err_disable_rq; |
| 545 | |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 546 | if (param->am_enabled) |
| 547 | set_bit(MLX5E_RQ_STATE_AM, &c->rq.state); |
| 548 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 549 | set_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 550 | |
| 551 | sq->ico_wqe_info[pi].opcode = MLX5_OPCODE_NOP; |
| 552 | sq->ico_wqe_info[pi].num_wqebbs = 1; |
| 553 | mlx5e_send_nop(sq, true); /* trigger mlx5e_post_rx_wqes() */ |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 554 | |
| 555 | return 0; |
| 556 | |
| 557 | err_disable_rq: |
| 558 | mlx5e_disable_rq(rq); |
| 559 | err_destroy_rq: |
| 560 | mlx5e_destroy_rq(rq); |
| 561 | |
| 562 | return err; |
| 563 | } |
| 564 | |
| 565 | static void mlx5e_close_rq(struct mlx5e_rq *rq) |
| 566 | { |
Daniel Jurgens | 6cd392a | 2016-06-30 17:34:46 +0300 | [diff] [blame] | 567 | int tout = 0; |
| 568 | int err; |
| 569 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 570 | clear_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state); |
| 571 | napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */ |
| 572 | |
Daniel Jurgens | 6cd392a | 2016-06-30 17:34:46 +0300 | [diff] [blame] | 573 | err = mlx5e_modify_rq_state(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); |
| 574 | while (!mlx5_wq_ll_is_empty(&rq->wq) && !err && |
| 575 | tout++ < MLX5_EN_QP_FLUSH_MAX_ITER) |
| 576 | msleep(MLX5_EN_QP_FLUSH_MSLEEP_QUANT); |
| 577 | |
| 578 | if (err || tout == MLX5_EN_QP_FLUSH_MAX_ITER) |
| 579 | set_bit(MLX5E_RQ_STATE_FLUSH_TIMEOUT, &rq->state); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 580 | |
| 581 | /* avoid destroying rq before mlx5e_poll_rx_cq() is done with it */ |
| 582 | napi_synchronize(&rq->channel->napi); |
| 583 | |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 584 | cancel_work_sync(&rq->am.work); |
| 585 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 586 | mlx5e_disable_rq(rq); |
Daniel Jurgens | 6cd392a | 2016-06-30 17:34:46 +0300 | [diff] [blame] | 587 | mlx5e_free_rx_descs(rq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 588 | mlx5e_destroy_rq(rq); |
| 589 | } |
| 590 | |
| 591 | static void mlx5e_free_sq_db(struct mlx5e_sq *sq) |
| 592 | { |
Achiad Shochat | 34802a4 | 2015-12-29 14:58:29 +0200 | [diff] [blame] | 593 | kfree(sq->wqe_info); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 594 | kfree(sq->dma_fifo); |
| 595 | kfree(sq->skb); |
| 596 | } |
| 597 | |
| 598 | static int mlx5e_alloc_sq_db(struct mlx5e_sq *sq, int numa) |
| 599 | { |
| 600 | int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); |
| 601 | int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS; |
| 602 | |
| 603 | sq->skb = kzalloc_node(wq_sz * sizeof(*sq->skb), GFP_KERNEL, numa); |
| 604 | sq->dma_fifo = kzalloc_node(df_sz * sizeof(*sq->dma_fifo), GFP_KERNEL, |
| 605 | numa); |
Achiad Shochat | 34802a4 | 2015-12-29 14:58:29 +0200 | [diff] [blame] | 606 | sq->wqe_info = kzalloc_node(wq_sz * sizeof(*sq->wqe_info), GFP_KERNEL, |
| 607 | numa); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 608 | |
Achiad Shochat | 34802a4 | 2015-12-29 14:58:29 +0200 | [diff] [blame] | 609 | if (!sq->skb || !sq->dma_fifo || !sq->wqe_info) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 610 | mlx5e_free_sq_db(sq); |
| 611 | return -ENOMEM; |
| 612 | } |
| 613 | |
| 614 | sq->dma_fifo_mask = df_sz - 1; |
| 615 | |
| 616 | return 0; |
| 617 | } |
| 618 | |
| 619 | static int mlx5e_create_sq(struct mlx5e_channel *c, |
| 620 | int tc, |
| 621 | struct mlx5e_sq_param *param, |
| 622 | struct mlx5e_sq *sq) |
| 623 | { |
| 624 | struct mlx5e_priv *priv = c->priv; |
| 625 | struct mlx5_core_dev *mdev = priv->mdev; |
| 626 | |
| 627 | void *sqc = param->sqc; |
| 628 | void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 629 | int err; |
| 630 | |
Gal Pressman | fd4782c | 2016-06-27 12:08:35 +0300 | [diff] [blame] | 631 | 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] | 632 | if (err) |
| 633 | return err; |
| 634 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 635 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
| 636 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 637 | err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, |
| 638 | &sq->wq_ctrl); |
| 639 | if (err) |
| 640 | goto err_unmap_free_uar; |
| 641 | |
| 642 | sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; |
Moshe Lazer | 0ba4224 | 2016-03-02 00:13:40 +0200 | [diff] [blame] | 643 | if (sq->uar.bf_map) { |
| 644 | set_bit(MLX5E_SQ_STATE_BF_ENABLE, &sq->state); |
| 645 | sq->uar_map = sq->uar.bf_map; |
| 646 | } else { |
| 647 | sq->uar_map = sq->uar.map; |
| 648 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 649 | 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] | 650 | sq->max_inline = param->max_inline; |
Hadar Hen Zion | cff92d7 | 2016-07-24 16:12:40 +0300 | [diff] [blame] | 651 | sq->min_inline_mode = |
| 652 | MLX5_CAP_ETH(mdev, wqe_inline_mode) == MLX5E_INLINE_MODE_VPORT_CONTEXT ? |
| 653 | param->min_inline_mode : 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 654 | |
Dan Carpenter | 7ec0bb2 | 2015-06-11 11:50:01 +0300 | [diff] [blame] | 655 | err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu)); |
| 656 | if (err) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 657 | goto err_sq_wq_destroy; |
| 658 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 659 | if (param->icosq) { |
| 660 | u8 wq_sz = mlx5_wq_cyc_get_size(&sq->wq); |
| 661 | |
| 662 | sq->ico_wqe_info = kzalloc_node(sizeof(*sq->ico_wqe_info) * |
| 663 | wq_sz, |
| 664 | GFP_KERNEL, |
| 665 | cpu_to_node(c->cpu)); |
| 666 | if (!sq->ico_wqe_info) { |
| 667 | err = -ENOMEM; |
| 668 | goto err_free_sq_db; |
| 669 | } |
| 670 | } else { |
| 671 | int txq_ix; |
| 672 | |
| 673 | txq_ix = c->ix + tc * priv->params.num_channels; |
| 674 | sq->txq = netdev_get_tx_queue(priv->netdev, txq_ix); |
| 675 | priv->txq_to_sq_map[txq_ix] = sq; |
| 676 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 677 | |
Achiad Shochat | 88a85f9 | 2015-07-23 23:35:59 +0300 | [diff] [blame] | 678 | sq->pdev = c->pdev; |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 679 | sq->tstamp = &priv->tstamp; |
Achiad Shochat | 88a85f9 | 2015-07-23 23:35:59 +0300 | [diff] [blame] | 680 | sq->mkey_be = c->mkey_be; |
| 681 | sq->channel = c; |
| 682 | sq->tc = tc; |
| 683 | sq->edge = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS; |
| 684 | sq->bf_budget = MLX5E_SQ_BF_BUDGET; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 685 | |
| 686 | return 0; |
| 687 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 688 | err_free_sq_db: |
| 689 | mlx5e_free_sq_db(sq); |
| 690 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 691 | err_sq_wq_destroy: |
| 692 | mlx5_wq_destroy(&sq->wq_ctrl); |
| 693 | |
| 694 | err_unmap_free_uar: |
| 695 | mlx5_unmap_free_uar(mdev, &sq->uar); |
| 696 | |
| 697 | return err; |
| 698 | } |
| 699 | |
| 700 | static void mlx5e_destroy_sq(struct mlx5e_sq *sq) |
| 701 | { |
| 702 | struct mlx5e_channel *c = sq->channel; |
| 703 | struct mlx5e_priv *priv = c->priv; |
| 704 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 705 | kfree(sq->ico_wqe_info); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 706 | mlx5e_free_sq_db(sq); |
| 707 | mlx5_wq_destroy(&sq->wq_ctrl); |
| 708 | mlx5_unmap_free_uar(priv->mdev, &sq->uar); |
| 709 | } |
| 710 | |
| 711 | static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param) |
| 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 | void *wq; |
| 720 | int inlen; |
| 721 | int err; |
| 722 | |
| 723 | inlen = MLX5_ST_SZ_BYTES(create_sq_in) + |
| 724 | sizeof(u64) * sq->wq_ctrl.buf.npages; |
| 725 | in = mlx5_vzalloc(inlen); |
| 726 | if (!in) |
| 727 | return -ENOMEM; |
| 728 | |
| 729 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); |
| 730 | wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 731 | |
| 732 | memcpy(sqc, param->sqc, sizeof(param->sqc)); |
| 733 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 734 | MLX5_SET(sqc, sqc, tis_num_0, param->icosq ? 0 : priv->tisn[sq->tc]); |
| 735 | MLX5_SET(sqc, sqc, cqn, sq->cq.mcq.cqn); |
Hadar Hen Zion | cff92d7 | 2016-07-24 16:12:40 +0300 | [diff] [blame] | 736 | MLX5_SET(sqc, sqc, min_wqe_inline_mode, sq->min_inline_mode); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 737 | MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 738 | MLX5_SET(sqc, sqc, tis_lst_sz, param->icosq ? 0 : 1); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 739 | MLX5_SET(sqc, sqc, flush_in_error_en, 1); |
| 740 | |
| 741 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); |
| 742 | MLX5_SET(wq, wq, uar_page, sq->uar.index); |
| 743 | 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] | 744 | MLX5_ADAPTER_PAGE_SHIFT); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 745 | MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma); |
| 746 | |
| 747 | mlx5_fill_page_array(&sq->wq_ctrl.buf, |
| 748 | (__be64 *)MLX5_ADDR_OF(wq, wq, pas)); |
| 749 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 750 | err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 751 | |
| 752 | kvfree(in); |
| 753 | |
| 754 | return err; |
| 755 | } |
| 756 | |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 757 | static int mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, |
| 758 | int next_state, bool update_rl, int rl_index) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 759 | { |
| 760 | struct mlx5e_channel *c = sq->channel; |
| 761 | struct mlx5e_priv *priv = c->priv; |
| 762 | struct mlx5_core_dev *mdev = priv->mdev; |
| 763 | |
| 764 | void *in; |
| 765 | void *sqc; |
| 766 | int inlen; |
| 767 | int err; |
| 768 | |
| 769 | inlen = MLX5_ST_SZ_BYTES(modify_sq_in); |
| 770 | in = mlx5_vzalloc(inlen); |
| 771 | if (!in) |
| 772 | return -ENOMEM; |
| 773 | |
| 774 | sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); |
| 775 | |
| 776 | MLX5_SET(modify_sq_in, in, sq_state, curr_state); |
| 777 | MLX5_SET(sqc, sqc, state, next_state); |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 778 | if (update_rl && next_state == MLX5_SQC_STATE_RDY) { |
| 779 | MLX5_SET64(modify_sq_in, in, modify_bitmask, 1); |
| 780 | MLX5_SET(sqc, sqc, packet_pacing_rate_limit_index, rl_index); |
| 781 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 782 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 783 | err = mlx5_core_modify_sq(mdev, sq->sqn, in, inlen); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 784 | |
| 785 | kvfree(in); |
| 786 | |
| 787 | return err; |
| 788 | } |
| 789 | |
| 790 | static void mlx5e_disable_sq(struct mlx5e_sq *sq) |
| 791 | { |
| 792 | struct mlx5e_channel *c = sq->channel; |
| 793 | struct mlx5e_priv *priv = c->priv; |
| 794 | struct mlx5_core_dev *mdev = priv->mdev; |
| 795 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 796 | mlx5_core_destroy_sq(mdev, sq->sqn); |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 797 | if (sq->rate_limit) |
| 798 | mlx5_rl_remove_rate(mdev, sq->rate_limit); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 799 | } |
| 800 | |
| 801 | static int mlx5e_open_sq(struct mlx5e_channel *c, |
| 802 | int tc, |
| 803 | struct mlx5e_sq_param *param, |
| 804 | struct mlx5e_sq *sq) |
| 805 | { |
| 806 | int err; |
| 807 | |
| 808 | err = mlx5e_create_sq(c, tc, param, sq); |
| 809 | if (err) |
| 810 | return err; |
| 811 | |
| 812 | err = mlx5e_enable_sq(sq, param); |
| 813 | if (err) |
| 814 | goto err_destroy_sq; |
| 815 | |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 816 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY, |
| 817 | false, 0); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 818 | if (err) |
| 819 | goto err_disable_sq; |
| 820 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 821 | if (sq->txq) { |
| 822 | set_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); |
| 823 | netdev_tx_reset_queue(sq->txq); |
| 824 | netif_tx_start_queue(sq->txq); |
| 825 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 826 | |
| 827 | return 0; |
| 828 | |
| 829 | err_disable_sq: |
| 830 | mlx5e_disable_sq(sq); |
| 831 | err_destroy_sq: |
| 832 | mlx5e_destroy_sq(sq); |
| 833 | |
| 834 | return err; |
| 835 | } |
| 836 | |
| 837 | static inline void netif_tx_disable_queue(struct netdev_queue *txq) |
| 838 | { |
| 839 | __netif_tx_lock_bh(txq); |
| 840 | netif_tx_stop_queue(txq); |
| 841 | __netif_tx_unlock_bh(txq); |
| 842 | } |
| 843 | |
| 844 | static void mlx5e_close_sq(struct mlx5e_sq *sq) |
| 845 | { |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame] | 846 | int tout = 0; |
| 847 | int err; |
| 848 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 849 | if (sq->txq) { |
| 850 | clear_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state); |
| 851 | /* prevent netif_tx_wake_queue */ |
| 852 | napi_synchronize(&sq->channel->napi); |
| 853 | netif_tx_disable_queue(sq->txq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 854 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 855 | /* ensure hw is notified of all pending wqes */ |
| 856 | if (mlx5e_sq_has_room_for(sq, 1)) |
| 857 | mlx5e_send_nop(sq, true); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 858 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame] | 859 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, |
David S. Miller | 30d0844 | 2016-07-06 10:35:22 -0700 | [diff] [blame] | 860 | MLX5_SQC_STATE_ERR, false, 0); |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame] | 861 | if (err) |
| 862 | set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 863 | } |
| 864 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame] | 865 | /* wait till sq is empty, unless a TX timeout occurred on this SQ */ |
| 866 | while (sq->cc != sq->pc && |
| 867 | !test_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state)) { |
| 868 | msleep(MLX5_EN_QP_FLUSH_MSLEEP_QUANT); |
| 869 | if (tout++ > MLX5_EN_QP_FLUSH_MAX_ITER) |
| 870 | set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); |
| 871 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 872 | |
| 873 | /* avoid destroying sq before mlx5e_poll_tx_cq() is done with it */ |
| 874 | napi_synchronize(&sq->channel->napi); |
| 875 | |
Daniel Jurgens | 29429f3 | 2016-06-30 17:34:44 +0300 | [diff] [blame] | 876 | mlx5e_free_tx_descs(sq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 877 | mlx5e_disable_sq(sq); |
| 878 | mlx5e_destroy_sq(sq); |
| 879 | } |
| 880 | |
| 881 | static int mlx5e_create_cq(struct mlx5e_channel *c, |
| 882 | struct mlx5e_cq_param *param, |
| 883 | struct mlx5e_cq *cq) |
| 884 | { |
| 885 | struct mlx5e_priv *priv = c->priv; |
| 886 | struct mlx5_core_dev *mdev = priv->mdev; |
| 887 | struct mlx5_core_cq *mcq = &cq->mcq; |
| 888 | int eqn_not_used; |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 889 | unsigned int irqn; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 890 | int err; |
| 891 | u32 i; |
| 892 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 893 | param->wq.buf_numa_node = cpu_to_node(c->cpu); |
| 894 | param->wq.db_numa_node = cpu_to_node(c->cpu); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 895 | param->eq_ix = c->ix; |
| 896 | |
| 897 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, |
| 898 | &cq->wq_ctrl); |
| 899 | if (err) |
| 900 | return err; |
| 901 | |
| 902 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); |
| 903 | |
| 904 | cq->napi = &c->napi; |
| 905 | |
| 906 | mcq->cqe_sz = 64; |
| 907 | mcq->set_ci_db = cq->wq_ctrl.db.db; |
| 908 | mcq->arm_db = cq->wq_ctrl.db.db + 1; |
| 909 | *mcq->set_ci_db = 0; |
| 910 | *mcq->arm_db = 0; |
| 911 | mcq->vector = param->eq_ix; |
| 912 | mcq->comp = mlx5e_completion_event; |
| 913 | mcq->event = mlx5e_cq_error_event; |
| 914 | mcq->irqn = irqn; |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 915 | mcq->uar = &mdev->mlx5e_res.cq_uar; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 916 | |
| 917 | for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { |
| 918 | struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); |
| 919 | |
| 920 | cqe->op_own = 0xf1; |
| 921 | } |
| 922 | |
| 923 | cq->channel = c; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 924 | cq->priv = priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 925 | |
| 926 | return 0; |
| 927 | } |
| 928 | |
| 929 | static void mlx5e_destroy_cq(struct mlx5e_cq *cq) |
| 930 | { |
| 931 | mlx5_wq_destroy(&cq->wq_ctrl); |
| 932 | } |
| 933 | |
| 934 | static int mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param) |
| 935 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 936 | struct mlx5e_priv *priv = cq->priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 937 | struct mlx5_core_dev *mdev = priv->mdev; |
| 938 | struct mlx5_core_cq *mcq = &cq->mcq; |
| 939 | |
| 940 | void *in; |
| 941 | void *cqc; |
| 942 | int inlen; |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 943 | unsigned int irqn_not_used; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 944 | int eqn; |
| 945 | int err; |
| 946 | |
| 947 | inlen = MLX5_ST_SZ_BYTES(create_cq_in) + |
| 948 | sizeof(u64) * cq->wq_ctrl.buf.npages; |
| 949 | in = mlx5_vzalloc(inlen); |
| 950 | if (!in) |
| 951 | return -ENOMEM; |
| 952 | |
| 953 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); |
| 954 | |
| 955 | memcpy(cqc, param->cqc, sizeof(param->cqc)); |
| 956 | |
| 957 | mlx5_fill_page_array(&cq->wq_ctrl.buf, |
| 958 | (__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas)); |
| 959 | |
| 960 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); |
| 961 | |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 962 | MLX5_SET(cqc, cqc, cq_period_mode, param->cq_period_mode); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 963 | MLX5_SET(cqc, cqc, c_eqn, eqn); |
| 964 | MLX5_SET(cqc, cqc, uar_page, mcq->uar->index); |
| 965 | 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] | 966 | MLX5_ADAPTER_PAGE_SHIFT); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 967 | MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); |
| 968 | |
| 969 | err = mlx5_core_create_cq(mdev, mcq, in, inlen); |
| 970 | |
| 971 | kvfree(in); |
| 972 | |
| 973 | if (err) |
| 974 | return err; |
| 975 | |
| 976 | mlx5e_cq_arm(cq); |
| 977 | |
| 978 | return 0; |
| 979 | } |
| 980 | |
| 981 | static void mlx5e_disable_cq(struct mlx5e_cq *cq) |
| 982 | { |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 983 | struct mlx5e_priv *priv = cq->priv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 984 | struct mlx5_core_dev *mdev = priv->mdev; |
| 985 | |
| 986 | mlx5_core_destroy_cq(mdev, &cq->mcq); |
| 987 | } |
| 988 | |
| 989 | static int mlx5e_open_cq(struct mlx5e_channel *c, |
| 990 | struct mlx5e_cq_param *param, |
| 991 | struct mlx5e_cq *cq, |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 992 | struct mlx5e_cq_moder moderation) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 993 | { |
| 994 | int err; |
| 995 | struct mlx5e_priv *priv = c->priv; |
| 996 | struct mlx5_core_dev *mdev = priv->mdev; |
| 997 | |
| 998 | err = mlx5e_create_cq(c, param, cq); |
| 999 | if (err) |
| 1000 | return err; |
| 1001 | |
| 1002 | err = mlx5e_enable_cq(cq, param); |
| 1003 | if (err) |
| 1004 | goto err_destroy_cq; |
| 1005 | |
Gal Pressman | 7524a5d | 2016-03-02 00:13:37 +0200 | [diff] [blame] | 1006 | if (MLX5_CAP_GEN(mdev, cq_moderation)) |
| 1007 | mlx5_core_modify_cq_moderation(mdev, &cq->mcq, |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1008 | moderation.usec, |
| 1009 | moderation.pkts); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1010 | return 0; |
| 1011 | |
| 1012 | err_destroy_cq: |
| 1013 | mlx5e_destroy_cq(cq); |
| 1014 | |
| 1015 | return err; |
| 1016 | } |
| 1017 | |
| 1018 | static void mlx5e_close_cq(struct mlx5e_cq *cq) |
| 1019 | { |
| 1020 | mlx5e_disable_cq(cq); |
| 1021 | mlx5e_destroy_cq(cq); |
| 1022 | } |
| 1023 | |
| 1024 | static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix) |
| 1025 | { |
| 1026 | return cpumask_first(priv->mdev->priv.irq_info[ix].mask); |
| 1027 | } |
| 1028 | |
| 1029 | static int mlx5e_open_tx_cqs(struct mlx5e_channel *c, |
| 1030 | struct mlx5e_channel_param *cparam) |
| 1031 | { |
| 1032 | struct mlx5e_priv *priv = c->priv; |
| 1033 | int err; |
| 1034 | int tc; |
| 1035 | |
| 1036 | for (tc = 0; tc < c->num_tc; tc++) { |
| 1037 | err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq, |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1038 | priv->params.tx_cq_moderation); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1039 | if (err) |
| 1040 | goto err_close_tx_cqs; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1041 | } |
| 1042 | |
| 1043 | return 0; |
| 1044 | |
| 1045 | err_close_tx_cqs: |
| 1046 | for (tc--; tc >= 0; tc--) |
| 1047 | mlx5e_close_cq(&c->sq[tc].cq); |
| 1048 | |
| 1049 | return err; |
| 1050 | } |
| 1051 | |
| 1052 | static void mlx5e_close_tx_cqs(struct mlx5e_channel *c) |
| 1053 | { |
| 1054 | int tc; |
| 1055 | |
| 1056 | for (tc = 0; tc < c->num_tc; tc++) |
| 1057 | mlx5e_close_cq(&c->sq[tc].cq); |
| 1058 | } |
| 1059 | |
| 1060 | static int mlx5e_open_sqs(struct mlx5e_channel *c, |
| 1061 | struct mlx5e_channel_param *cparam) |
| 1062 | { |
| 1063 | int err; |
| 1064 | int tc; |
| 1065 | |
| 1066 | for (tc = 0; tc < c->num_tc; tc++) { |
| 1067 | err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]); |
| 1068 | if (err) |
| 1069 | goto err_close_sqs; |
| 1070 | } |
| 1071 | |
| 1072 | return 0; |
| 1073 | |
| 1074 | err_close_sqs: |
| 1075 | for (tc--; tc >= 0; tc--) |
| 1076 | mlx5e_close_sq(&c->sq[tc]); |
| 1077 | |
| 1078 | return err; |
| 1079 | } |
| 1080 | |
| 1081 | static void mlx5e_close_sqs(struct mlx5e_channel *c) |
| 1082 | { |
| 1083 | int tc; |
| 1084 | |
| 1085 | for (tc = 0; tc < c->num_tc; tc++) |
| 1086 | mlx5e_close_sq(&c->sq[tc]); |
| 1087 | } |
| 1088 | |
Rana Shahout | 5283af8 | 2015-08-23 16:12:14 +0300 | [diff] [blame] | 1089 | 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] | 1090 | { |
| 1091 | int i; |
| 1092 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 1093 | for (i = 0; i < priv->profile->max_tc; i++) |
Rana Shahout | 5283af8 | 2015-08-23 16:12:14 +0300 | [diff] [blame] | 1094 | priv->channeltc_to_txq_map[ix][i] = |
| 1095 | ix + i * priv->params.num_channels; |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1096 | } |
| 1097 | |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 1098 | static int mlx5e_set_sq_maxrate(struct net_device *dev, |
| 1099 | struct mlx5e_sq *sq, u32 rate) |
| 1100 | { |
| 1101 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 1102 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1103 | u16 rl_index = 0; |
| 1104 | int err; |
| 1105 | |
| 1106 | if (rate == sq->rate_limit) |
| 1107 | /* nothing to do */ |
| 1108 | return 0; |
| 1109 | |
| 1110 | if (sq->rate_limit) |
| 1111 | /* remove current rl index to free space to next ones */ |
| 1112 | mlx5_rl_remove_rate(mdev, sq->rate_limit); |
| 1113 | |
| 1114 | sq->rate_limit = 0; |
| 1115 | |
| 1116 | if (rate) { |
| 1117 | err = mlx5_rl_add_rate(mdev, rate, &rl_index); |
| 1118 | if (err) { |
| 1119 | netdev_err(dev, "Failed configuring rate %u: %d\n", |
| 1120 | rate, err); |
| 1121 | return err; |
| 1122 | } |
| 1123 | } |
| 1124 | |
| 1125 | err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, |
| 1126 | MLX5_SQC_STATE_RDY, true, rl_index); |
| 1127 | if (err) { |
| 1128 | netdev_err(dev, "Failed configuring rate %u: %d\n", |
| 1129 | rate, err); |
| 1130 | /* remove the rate from the table */ |
| 1131 | if (rate) |
| 1132 | mlx5_rl_remove_rate(mdev, rate); |
| 1133 | return err; |
| 1134 | } |
| 1135 | |
| 1136 | sq->rate_limit = rate; |
| 1137 | return 0; |
| 1138 | } |
| 1139 | |
| 1140 | static int mlx5e_set_tx_maxrate(struct net_device *dev, int index, u32 rate) |
| 1141 | { |
| 1142 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 1143 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1144 | struct mlx5e_sq *sq = priv->txq_to_sq_map[index]; |
| 1145 | int err = 0; |
| 1146 | |
| 1147 | if (!mlx5_rl_is_supported(mdev)) { |
| 1148 | netdev_err(dev, "Rate limiting is not supported on this device\n"); |
| 1149 | return -EINVAL; |
| 1150 | } |
| 1151 | |
| 1152 | /* rate is given in Mb/sec, HW config is in Kb/sec */ |
| 1153 | rate = rate << 10; |
| 1154 | |
| 1155 | /* Check whether rate in valid range, 0 is always valid */ |
| 1156 | if (rate && !mlx5_rl_is_in_range(mdev, rate)) { |
| 1157 | netdev_err(dev, "TX rate %u, is not in range\n", rate); |
| 1158 | return -ERANGE; |
| 1159 | } |
| 1160 | |
| 1161 | mutex_lock(&priv->state_lock); |
| 1162 | if (test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 1163 | err = mlx5e_set_sq_maxrate(dev, sq, rate); |
| 1164 | if (!err) |
| 1165 | priv->tx_rates[index] = rate; |
| 1166 | mutex_unlock(&priv->state_lock); |
| 1167 | |
| 1168 | return err; |
| 1169 | } |
| 1170 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1171 | static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix, |
| 1172 | struct mlx5e_channel_param *cparam, |
| 1173 | struct mlx5e_channel **cp) |
| 1174 | { |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1175 | struct mlx5e_cq_moder icosq_cq_moder = {0, 0}; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1176 | struct net_device *netdev = priv->netdev; |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 1177 | struct mlx5e_cq_moder rx_cq_profile; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1178 | int cpu = mlx5e_get_cpu(priv, ix); |
| 1179 | struct mlx5e_channel *c; |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 1180 | struct mlx5e_sq *sq; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1181 | int err; |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 1182 | int i; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1183 | |
| 1184 | c = kzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu)); |
| 1185 | if (!c) |
| 1186 | return -ENOMEM; |
| 1187 | |
| 1188 | c->priv = priv; |
| 1189 | c->ix = ix; |
| 1190 | c->cpu = cpu; |
| 1191 | c->pdev = &priv->mdev->pdev->dev; |
| 1192 | c->netdev = priv->netdev; |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 1193 | c->mkey_be = cpu_to_be32(priv->mdev->mlx5e_res.mkey.key); |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1194 | c->num_tc = priv->params.num_tc; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1195 | |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 1196 | if (priv->params.rx_am_enabled) |
| 1197 | rx_cq_profile = mlx5e_am_get_def_profile(priv->params.rx_cq_period_mode); |
| 1198 | else |
| 1199 | rx_cq_profile = priv->params.rx_cq_moderation; |
| 1200 | |
Rana Shahout | 5283af8 | 2015-08-23 16:12:14 +0300 | [diff] [blame] | 1201 | mlx5e_build_channeltc_to_txq_map(priv, ix); |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1202 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1203 | netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64); |
| 1204 | |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1205 | err = mlx5e_open_cq(c, &cparam->icosq_cq, &c->icosq.cq, icosq_cq_moder); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1206 | if (err) |
| 1207 | goto err_napi_del; |
| 1208 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1209 | err = mlx5e_open_tx_cqs(c, cparam); |
| 1210 | if (err) |
| 1211 | goto err_close_icosq_cq; |
| 1212 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1213 | err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq, |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 1214 | rx_cq_profile); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1215 | if (err) |
| 1216 | goto err_close_tx_cqs; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1217 | |
| 1218 | napi_enable(&c->napi); |
| 1219 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1220 | err = mlx5e_open_sq(c, 0, &cparam->icosq, &c->icosq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1221 | if (err) |
| 1222 | goto err_disable_napi; |
| 1223 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1224 | err = mlx5e_open_sqs(c, cparam); |
| 1225 | if (err) |
| 1226 | goto err_close_icosq; |
| 1227 | |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 1228 | for (i = 0; i < priv->params.num_tc; i++) { |
| 1229 | u32 txq_ix = priv->channeltc_to_txq_map[ix][i]; |
| 1230 | |
| 1231 | if (priv->tx_rates[txq_ix]) { |
| 1232 | sq = priv->txq_to_sq_map[txq_ix]; |
| 1233 | mlx5e_set_sq_maxrate(priv->netdev, sq, |
| 1234 | priv->tx_rates[txq_ix]); |
| 1235 | } |
| 1236 | } |
| 1237 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1238 | err = mlx5e_open_rq(c, &cparam->rq, &c->rq); |
| 1239 | if (err) |
| 1240 | goto err_close_sqs; |
| 1241 | |
| 1242 | netif_set_xps_queue(netdev, get_cpu_mask(c->cpu), ix); |
| 1243 | *cp = c; |
| 1244 | |
| 1245 | return 0; |
| 1246 | |
| 1247 | err_close_sqs: |
| 1248 | mlx5e_close_sqs(c); |
| 1249 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1250 | err_close_icosq: |
| 1251 | mlx5e_close_sq(&c->icosq); |
| 1252 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1253 | err_disable_napi: |
| 1254 | napi_disable(&c->napi); |
| 1255 | mlx5e_close_cq(&c->rq.cq); |
| 1256 | |
| 1257 | err_close_tx_cqs: |
| 1258 | mlx5e_close_tx_cqs(c); |
| 1259 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1260 | err_close_icosq_cq: |
| 1261 | mlx5e_close_cq(&c->icosq.cq); |
| 1262 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1263 | err_napi_del: |
| 1264 | netif_napi_del(&c->napi); |
Eric Dumazet | 7ae92ae | 2015-11-18 06:30:55 -0800 | [diff] [blame] | 1265 | napi_hash_del(&c->napi); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1266 | kfree(c); |
| 1267 | |
| 1268 | return err; |
| 1269 | } |
| 1270 | |
| 1271 | static void mlx5e_close_channel(struct mlx5e_channel *c) |
| 1272 | { |
| 1273 | mlx5e_close_rq(&c->rq); |
| 1274 | mlx5e_close_sqs(c); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1275 | mlx5e_close_sq(&c->icosq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1276 | napi_disable(&c->napi); |
| 1277 | mlx5e_close_cq(&c->rq.cq); |
| 1278 | mlx5e_close_tx_cqs(c); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1279 | mlx5e_close_cq(&c->icosq.cq); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1280 | netif_napi_del(&c->napi); |
Eric Dumazet | 7ae92ae | 2015-11-18 06:30:55 -0800 | [diff] [blame] | 1281 | |
| 1282 | napi_hash_del(&c->napi); |
| 1283 | synchronize_rcu(); |
| 1284 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1285 | kfree(c); |
| 1286 | } |
| 1287 | |
| 1288 | static void mlx5e_build_rq_param(struct mlx5e_priv *priv, |
| 1289 | struct mlx5e_rq_param *param) |
| 1290 | { |
| 1291 | void *rqc = param->rqc; |
| 1292 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 1293 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1294 | switch (priv->params.rq_wq_type) { |
| 1295 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 1296 | MLX5_SET(wq, wq, log_wqe_num_of_strides, |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 1297 | priv->params.mpwqe_log_num_strides - 9); |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1298 | MLX5_SET(wq, wq, log_wqe_stride_size, |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 1299 | priv->params.mpwqe_log_stride_sz - 6); |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1300 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ); |
| 1301 | break; |
| 1302 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 1303 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); |
| 1304 | } |
| 1305 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1306 | MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); |
| 1307 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); |
| 1308 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size); |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 1309 | MLX5_SET(wq, wq, pd, priv->mdev->mlx5e_res.pdn); |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 1310 | MLX5_SET(rqc, rqc, counter_set_id, priv->q_counter); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1311 | |
Saeed Mahameed | 311c7c7 | 2015-07-23 23:35:57 +0300 | [diff] [blame] | 1312 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1313 | param->wq.linear = 1; |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 1314 | |
| 1315 | param->am_enabled = priv->params.rx_am_enabled; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1316 | } |
| 1317 | |
Tariq Toukan | 556dd1b | 2016-03-02 00:13:36 +0200 | [diff] [blame] | 1318 | static void mlx5e_build_drop_rq_param(struct mlx5e_rq_param *param) |
| 1319 | { |
| 1320 | void *rqc = param->rqc; |
| 1321 | void *wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 1322 | |
| 1323 | MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); |
| 1324 | MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); |
| 1325 | } |
| 1326 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1327 | static void mlx5e_build_sq_param_common(struct mlx5e_priv *priv, |
| 1328 | struct mlx5e_sq_param *param) |
| 1329 | { |
| 1330 | void *sqc = param->sqc; |
| 1331 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 1332 | |
| 1333 | MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 1334 | MLX5_SET(wq, wq, pd, priv->mdev->mlx5e_res.pdn); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1335 | |
| 1336 | param->wq.buf_numa_node = dev_to_node(&priv->mdev->pdev->dev); |
| 1337 | } |
| 1338 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1339 | static void mlx5e_build_sq_param(struct mlx5e_priv *priv, |
| 1340 | struct mlx5e_sq_param *param) |
| 1341 | { |
| 1342 | void *sqc = param->sqc; |
| 1343 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 1344 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1345 | mlx5e_build_sq_param_common(priv, param); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1346 | MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1347 | |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 1348 | param->max_inline = priv->params.tx_max_inline; |
Hadar Hen Zion | cff92d7 | 2016-07-24 16:12:40 +0300 | [diff] [blame] | 1349 | param->min_inline_mode = priv->params.tx_min_inline_mode; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1350 | } |
| 1351 | |
| 1352 | static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv, |
| 1353 | struct mlx5e_cq_param *param) |
| 1354 | { |
| 1355 | void *cqc = param->cqc; |
| 1356 | |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 1357 | MLX5_SET(cqc, cqc, uar_page, priv->mdev->mlx5e_res.cq_uar.index); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1358 | } |
| 1359 | |
| 1360 | static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, |
| 1361 | struct mlx5e_cq_param *param) |
| 1362 | { |
| 1363 | void *cqc = param->cqc; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1364 | u8 log_cq_size; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1365 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1366 | switch (priv->params.rq_wq_type) { |
| 1367 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 1368 | log_cq_size = priv->params.log_rq_size + |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 1369 | priv->params.mpwqe_log_num_strides; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 1370 | break; |
| 1371 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 1372 | log_cq_size = priv->params.log_rq_size; |
| 1373 | } |
| 1374 | |
| 1375 | MLX5_SET(cqc, cqc, log_cq_size, log_cq_size); |
Tariq Toukan | 7219ab3 | 2016-05-11 00:29:14 +0300 | [diff] [blame] | 1376 | if (priv->params.rx_cqe_compress) { |
| 1377 | MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); |
| 1378 | MLX5_SET(cqc, cqc, cqe_comp_en, 1); |
| 1379 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1380 | |
| 1381 | mlx5e_build_common_cq_param(priv, param); |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1382 | |
| 1383 | param->cq_period_mode = priv->params.rx_cq_period_mode; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1384 | } |
| 1385 | |
| 1386 | static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, |
| 1387 | struct mlx5e_cq_param *param) |
| 1388 | { |
| 1389 | void *cqc = param->cqc; |
| 1390 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1391 | MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1392 | |
| 1393 | mlx5e_build_common_cq_param(priv, param); |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1394 | |
| 1395 | param->cq_period_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1396 | } |
| 1397 | |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1398 | static void mlx5e_build_ico_cq_param(struct mlx5e_priv *priv, |
| 1399 | struct mlx5e_cq_param *param, |
| 1400 | u8 log_wq_size) |
| 1401 | { |
| 1402 | void *cqc = param->cqc; |
| 1403 | |
| 1404 | MLX5_SET(cqc, cqc, log_cq_size, log_wq_size); |
| 1405 | |
| 1406 | mlx5e_build_common_cq_param(priv, param); |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 1407 | |
| 1408 | param->cq_period_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1409 | } |
| 1410 | |
| 1411 | static void mlx5e_build_icosq_param(struct mlx5e_priv *priv, |
| 1412 | struct mlx5e_sq_param *param, |
| 1413 | u8 log_wq_size) |
| 1414 | { |
| 1415 | void *sqc = param->sqc; |
| 1416 | void *wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 1417 | |
| 1418 | mlx5e_build_sq_param_common(priv, param); |
| 1419 | |
| 1420 | MLX5_SET(wq, wq, log_wq_sz, log_wq_size); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 1421 | 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] | 1422 | |
| 1423 | param->icosq = true; |
| 1424 | } |
| 1425 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1426 | 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] | 1427 | { |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 1428 | u8 icosq_log_wq_sz = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE; |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1429 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1430 | mlx5e_build_rq_param(priv, &cparam->rq); |
| 1431 | mlx5e_build_sq_param(priv, &cparam->sq); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1432 | mlx5e_build_icosq_param(priv, &cparam->icosq, icosq_log_wq_sz); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1433 | mlx5e_build_rx_cq_param(priv, &cparam->rx_cq); |
| 1434 | mlx5e_build_tx_cq_param(priv, &cparam->tx_cq); |
Tariq Toukan | d3c9bc2 | 2016-04-20 22:02:14 +0300 | [diff] [blame] | 1435 | 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] | 1436 | } |
| 1437 | |
| 1438 | static int mlx5e_open_channels(struct mlx5e_priv *priv) |
| 1439 | { |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1440 | struct mlx5e_channel_param *cparam; |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1441 | int nch = priv->params.num_channels; |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1442 | int err = -ENOMEM; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1443 | int i; |
| 1444 | int j; |
| 1445 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1446 | priv->channel = kcalloc(nch, sizeof(struct mlx5e_channel *), |
| 1447 | GFP_KERNEL); |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1448 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1449 | priv->txq_to_sq_map = kcalloc(nch * priv->params.num_tc, |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1450 | sizeof(struct mlx5e_sq *), GFP_KERNEL); |
| 1451 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1452 | cparam = kzalloc(sizeof(struct mlx5e_channel_param), GFP_KERNEL); |
| 1453 | |
| 1454 | if (!priv->channel || !priv->txq_to_sq_map || !cparam) |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1455 | goto err_free_txq_to_sq_map; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1456 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1457 | mlx5e_build_channel_param(priv, cparam); |
| 1458 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1459 | for (i = 0; i < nch; i++) { |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1460 | err = mlx5e_open_channel(priv, i, cparam, &priv->channel[i]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1461 | if (err) |
| 1462 | goto err_close_channels; |
| 1463 | } |
| 1464 | |
Achiad Shochat | a4418a6 | 2015-07-29 15:05:41 +0300 | [diff] [blame] | 1465 | for (j = 0; j < nch; j++) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1466 | err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq); |
| 1467 | if (err) |
| 1468 | goto err_close_channels; |
| 1469 | } |
| 1470 | |
Mohamad Haj Yahia | c3b7c5c | 2016-07-13 00:07:00 +0300 | [diff] [blame] | 1471 | /* FIXME: This is a W/A for tx timeout watch dog false alarm when |
| 1472 | * polling for inactive tx queues. |
| 1473 | */ |
| 1474 | netif_tx_start_all_queues(priv->netdev); |
| 1475 | |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1476 | kfree(cparam); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1477 | return 0; |
| 1478 | |
| 1479 | err_close_channels: |
| 1480 | for (i--; i >= 0; i--) |
| 1481 | mlx5e_close_channel(priv->channel[i]); |
| 1482 | |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1483 | err_free_txq_to_sq_map: |
| 1484 | kfree(priv->txq_to_sq_map); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1485 | kfree(priv->channel); |
Arnd Bergmann | 6b87663 | 2016-04-26 17:52:33 +0200 | [diff] [blame] | 1486 | kfree(cparam); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1487 | |
| 1488 | return err; |
| 1489 | } |
| 1490 | |
| 1491 | static void mlx5e_close_channels(struct mlx5e_priv *priv) |
| 1492 | { |
| 1493 | int i; |
| 1494 | |
Mohamad Haj Yahia | c3b7c5c | 2016-07-13 00:07:00 +0300 | [diff] [blame] | 1495 | /* FIXME: This is a W/A only for tx timeout watch dog false alarm when |
| 1496 | * polling for inactive tx queues. |
| 1497 | */ |
| 1498 | netif_tx_stop_all_queues(priv->netdev); |
| 1499 | netif_tx_disable(priv->netdev); |
| 1500 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1501 | for (i = 0; i < priv->params.num_channels; i++) |
| 1502 | mlx5e_close_channel(priv->channel[i]); |
| 1503 | |
Saeed Mahameed | 03289b8 | 2015-06-23 17:14:14 +0300 | [diff] [blame] | 1504 | kfree(priv->txq_to_sq_map); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 1505 | kfree(priv->channel); |
| 1506 | } |
| 1507 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1508 | static int mlx5e_rx_hash_fn(int hfunc) |
| 1509 | { |
| 1510 | return (hfunc == ETH_RSS_HASH_TOP) ? |
| 1511 | MLX5_RX_HASH_FN_TOEPLITZ : |
| 1512 | MLX5_RX_HASH_FN_INVERTED_XOR8; |
| 1513 | } |
| 1514 | |
| 1515 | static int mlx5e_bits_invert(unsigned long a, int size) |
| 1516 | { |
| 1517 | int inv = 0; |
| 1518 | int i; |
| 1519 | |
| 1520 | for (i = 0; i < size; i++) |
| 1521 | inv |= (test_bit(size - i - 1, &a) ? 1 : 0) << i; |
| 1522 | |
| 1523 | return inv; |
| 1524 | } |
| 1525 | |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 1526 | static void mlx5e_fill_indir_rqt_rqns(struct mlx5e_priv *priv, void *rqtc) |
| 1527 | { |
| 1528 | int i; |
| 1529 | |
| 1530 | for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++) { |
| 1531 | int ix = i; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1532 | u32 rqn; |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 1533 | |
| 1534 | if (priv->params.rss_hfunc == ETH_RSS_HASH_XOR) |
| 1535 | ix = mlx5e_bits_invert(i, MLX5E_LOG_INDIR_RQT_SIZE); |
| 1536 | |
Achiad Shochat | 2d75b2b | 2015-08-16 16:04:47 +0300 | [diff] [blame] | 1537 | ix = priv->params.indirection_rqt[ix]; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1538 | rqn = test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
| 1539 | priv->channel[ix]->rq.rqn : |
| 1540 | priv->drop_rq.rqn; |
| 1541 | MLX5_SET(rqtc, rqtc, rq_num[i], rqn); |
Achiad Shochat | 936896e | 2015-08-16 16:04:46 +0300 | [diff] [blame] | 1542 | } |
| 1543 | } |
| 1544 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1545 | static void mlx5e_fill_direct_rqt_rqn(struct mlx5e_priv *priv, void *rqtc, |
| 1546 | int ix) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1547 | { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1548 | u32 rqn = test_bit(MLX5E_STATE_OPENED, &priv->state) ? |
| 1549 | priv->channel[ix]->rq.rqn : |
| 1550 | priv->drop_rq.rqn; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1551 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1552 | MLX5_SET(rqtc, rqtc, rq_num[0], rqn); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1553 | } |
| 1554 | |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1555 | static int mlx5e_create_rqt(struct mlx5e_priv *priv, int sz, |
| 1556 | int ix, struct mlx5e_rqt *rqt) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1557 | { |
| 1558 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1559 | void *rqtc; |
| 1560 | int inlen; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1561 | int err; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1562 | u32 *in; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1563 | |
| 1564 | inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; |
| 1565 | in = mlx5_vzalloc(inlen); |
| 1566 | if (!in) |
| 1567 | return -ENOMEM; |
| 1568 | |
| 1569 | rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); |
| 1570 | |
| 1571 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); |
| 1572 | MLX5_SET(rqtc, rqtc, rqt_max_size, sz); |
| 1573 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1574 | if (sz > 1) /* RSS */ |
| 1575 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); |
| 1576 | else |
| 1577 | mlx5e_fill_direct_rqt_rqn(priv, rqtc, ix); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1578 | |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1579 | err = mlx5_core_create_rqt(mdev, in, inlen, &rqt->rqtn); |
| 1580 | if (!err) |
| 1581 | rqt->enabled = true; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1582 | |
| 1583 | kvfree(in); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1584 | return err; |
| 1585 | } |
| 1586 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1587 | void mlx5e_destroy_rqt(struct mlx5e_priv *priv, struct mlx5e_rqt *rqt) |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1588 | { |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1589 | rqt->enabled = false; |
| 1590 | mlx5_core_destroy_rqt(priv->mdev, rqt->rqtn); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1591 | } |
| 1592 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 1593 | static int mlx5e_create_indirect_rqts(struct mlx5e_priv *priv) |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1594 | { |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 1595 | struct mlx5e_rqt *rqt = &priv->indir_rqt; |
| 1596 | |
| 1597 | return mlx5e_create_rqt(priv, MLX5E_INDIR_RQT_SIZE, 0, rqt); |
| 1598 | } |
| 1599 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1600 | int mlx5e_create_direct_rqts(struct mlx5e_priv *priv) |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 1601 | { |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1602 | struct mlx5e_rqt *rqt; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1603 | int err; |
| 1604 | int ix; |
| 1605 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 1606 | for (ix = 0; ix < priv->profile->max_nch(priv->mdev); ix++) { |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1607 | rqt = &priv->direct_tir[ix].rqt; |
| 1608 | err = mlx5e_create_rqt(priv, 1 /*size */, ix, rqt); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1609 | if (err) |
| 1610 | goto err_destroy_rqts; |
| 1611 | } |
| 1612 | |
| 1613 | return 0; |
| 1614 | |
| 1615 | err_destroy_rqts: |
| 1616 | for (ix--; ix >= 0; ix--) |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1617 | mlx5e_destroy_rqt(priv, &priv->direct_tir[ix].rqt); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1618 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1619 | return err; |
| 1620 | } |
| 1621 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1622 | 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] | 1623 | { |
| 1624 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1625 | void *rqtc; |
| 1626 | int inlen; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1627 | u32 *in; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1628 | int err; |
| 1629 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1630 | inlen = MLX5_ST_SZ_BYTES(modify_rqt_in) + sizeof(u32) * sz; |
| 1631 | in = mlx5_vzalloc(inlen); |
| 1632 | if (!in) |
| 1633 | return -ENOMEM; |
| 1634 | |
| 1635 | rqtc = MLX5_ADDR_OF(modify_rqt_in, in, ctx); |
| 1636 | |
| 1637 | MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1638 | if (sz > 1) /* RSS */ |
| 1639 | mlx5e_fill_indir_rqt_rqns(priv, rqtc); |
| 1640 | else |
| 1641 | mlx5e_fill_direct_rqt_rqn(priv, rqtc, ix); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1642 | |
| 1643 | MLX5_SET(modify_rqt_in, in, bitmask.rqn_list, 1); |
| 1644 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1645 | err = mlx5_core_modify_rqt(mdev, rqtn, in, inlen); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1646 | |
| 1647 | kvfree(in); |
| 1648 | |
| 1649 | return err; |
| 1650 | } |
| 1651 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1652 | static void mlx5e_redirect_rqts(struct mlx5e_priv *priv) |
| 1653 | { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1654 | u32 rqtn; |
| 1655 | int ix; |
| 1656 | |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1657 | if (priv->indir_rqt.enabled) { |
| 1658 | rqtn = priv->indir_rqt.rqtn; |
| 1659 | mlx5e_redirect_rqt(priv, rqtn, MLX5E_INDIR_RQT_SIZE, 0); |
| 1660 | } |
| 1661 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1662 | for (ix = 0; ix < priv->params.num_channels; ix++) { |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 1663 | if (!priv->direct_tir[ix].rqt.enabled) |
| 1664 | continue; |
| 1665 | rqtn = priv->direct_tir[ix].rqt.rqtn; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1666 | mlx5e_redirect_rqt(priv, rqtn, 1, ix); |
| 1667 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1668 | } |
| 1669 | |
| 1670 | static void mlx5e_build_tir_ctx_lro(void *tirc, struct mlx5e_priv *priv) |
| 1671 | { |
| 1672 | if (!priv->params.lro_en) |
| 1673 | return; |
| 1674 | |
| 1675 | #define ROUGH_MAX_L2_L3_HDR_SZ 256 |
| 1676 | |
| 1677 | MLX5_SET(tirc, tirc, lro_enable_mask, |
| 1678 | MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | |
| 1679 | MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); |
| 1680 | MLX5_SET(tirc, tirc, lro_max_ip_payload_size, |
| 1681 | (priv->params.lro_wqe_sz - |
| 1682 | ROUGH_MAX_L2_L3_HDR_SZ) >> 8); |
| 1683 | MLX5_SET(tirc, tirc, lro_timeout_period_usecs, |
| 1684 | MLX5_CAP_ETH(priv->mdev, |
Achiad Shochat | d9a4027 | 2015-08-16 16:04:49 +0300 | [diff] [blame] | 1685 | lro_timer_supported_periods[2])); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1686 | } |
| 1687 | |
Tariq Toukan | bdfc028 | 2016-02-29 21:17:12 +0200 | [diff] [blame] | 1688 | void mlx5e_build_tir_ctx_hash(void *tirc, struct mlx5e_priv *priv) |
| 1689 | { |
| 1690 | MLX5_SET(tirc, tirc, rx_hash_fn, |
| 1691 | mlx5e_rx_hash_fn(priv->params.rss_hfunc)); |
| 1692 | if (priv->params.rss_hfunc == ETH_RSS_HASH_TOP) { |
| 1693 | void *rss_key = MLX5_ADDR_OF(tirc, tirc, |
| 1694 | rx_hash_toeplitz_key); |
| 1695 | size_t len = MLX5_FLD_SZ_BYTES(tirc, |
| 1696 | rx_hash_toeplitz_key); |
| 1697 | |
| 1698 | MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); |
| 1699 | memcpy(rss_key, priv->params.toeplitz_hash_key, len); |
| 1700 | } |
| 1701 | } |
| 1702 | |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1703 | static int mlx5e_modify_tirs_lro(struct mlx5e_priv *priv) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1704 | { |
| 1705 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1706 | |
| 1707 | void *in; |
| 1708 | void *tirc; |
| 1709 | int inlen; |
| 1710 | int err; |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1711 | int tt; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1712 | int ix; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1713 | |
| 1714 | inlen = MLX5_ST_SZ_BYTES(modify_tir_in); |
| 1715 | in = mlx5_vzalloc(inlen); |
| 1716 | if (!in) |
| 1717 | return -ENOMEM; |
| 1718 | |
| 1719 | MLX5_SET(modify_tir_in, in, bitmask.lro, 1); |
| 1720 | tirc = MLX5_ADDR_OF(modify_tir_in, in, ctx); |
| 1721 | |
| 1722 | mlx5e_build_tir_ctx_lro(tirc, priv); |
| 1723 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1724 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 1725 | err = mlx5_core_modify_tir(mdev, priv->indir_tir[tt].tirn, in, |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1726 | inlen); |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1727 | if (err) |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1728 | goto free_in; |
Tariq Toukan | ab0394f | 2016-02-29 21:17:10 +0200 | [diff] [blame] | 1729 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1730 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 1731 | for (ix = 0; ix < priv->profile->max_nch(priv->mdev); ix++) { |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 1732 | err = mlx5_core_modify_tir(mdev, priv->direct_tir[ix].tirn, |
| 1733 | in, inlen); |
| 1734 | if (err) |
| 1735 | goto free_in; |
| 1736 | } |
| 1737 | |
| 1738 | free_in: |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1739 | kvfree(in); |
| 1740 | |
| 1741 | return err; |
| 1742 | } |
| 1743 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1744 | static int mlx5e_set_mtu(struct mlx5e_priv *priv, u16 mtu) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1745 | { |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1746 | struct mlx5_core_dev *mdev = priv->mdev; |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1747 | u16 hw_mtu = MLX5E_SW2HW_MTU(mtu); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1748 | int err; |
| 1749 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1750 | err = mlx5_set_port_mtu(mdev, hw_mtu, 1); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1751 | if (err) |
| 1752 | return err; |
| 1753 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1754 | /* Update vport context MTU */ |
| 1755 | mlx5_modify_nic_vport_mtu(mdev, hw_mtu); |
| 1756 | return 0; |
| 1757 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1758 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1759 | static void mlx5e_query_mtu(struct mlx5e_priv *priv, u16 *mtu) |
| 1760 | { |
| 1761 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1762 | u16 hw_mtu = 0; |
| 1763 | int err; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1764 | |
Saeed Mahameed | cd255ef | 2016-04-22 00:33:05 +0300 | [diff] [blame] | 1765 | err = mlx5_query_nic_vport_mtu(mdev, &hw_mtu); |
| 1766 | if (err || !hw_mtu) /* fallback to port oper mtu */ |
| 1767 | mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1); |
| 1768 | |
| 1769 | *mtu = MLX5E_HW2SW_MTU(hw_mtu); |
| 1770 | } |
| 1771 | |
| 1772 | static int mlx5e_set_dev_port_mtu(struct net_device *netdev) |
| 1773 | { |
| 1774 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1775 | u16 mtu; |
| 1776 | int err; |
| 1777 | |
| 1778 | err = mlx5e_set_mtu(priv, netdev->mtu); |
| 1779 | if (err) |
| 1780 | return err; |
| 1781 | |
| 1782 | mlx5e_query_mtu(priv, &mtu); |
| 1783 | if (mtu != netdev->mtu) |
| 1784 | netdev_warn(netdev, "%s: VPort MTU %d is different than netdev mtu %d\n", |
| 1785 | __func__, mtu, netdev->mtu); |
| 1786 | |
| 1787 | netdev->mtu = mtu; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1788 | return 0; |
| 1789 | } |
| 1790 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1791 | static void mlx5e_netdev_set_tcs(struct net_device *netdev) |
| 1792 | { |
| 1793 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1794 | int nch = priv->params.num_channels; |
| 1795 | int ntc = priv->params.num_tc; |
| 1796 | int tc; |
| 1797 | |
| 1798 | netdev_reset_tc(netdev); |
| 1799 | |
| 1800 | if (ntc == 1) |
| 1801 | return; |
| 1802 | |
| 1803 | netdev_set_num_tc(netdev, ntc); |
| 1804 | |
Rana Shahout | 7ccdd08 | 2016-06-30 17:34:48 +0300 | [diff] [blame] | 1805 | /* Map netdev TCs to offset 0 |
| 1806 | * We have our own UP to TXQ mapping for QoS |
| 1807 | */ |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1808 | for (tc = 0; tc < ntc; tc++) |
Rana Shahout | 7ccdd08 | 2016-06-30 17:34:48 +0300 | [diff] [blame] | 1809 | netdev_set_tc_queue(netdev, tc, nch, 0); |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1810 | } |
| 1811 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1812 | int mlx5e_open_locked(struct net_device *netdev) |
| 1813 | { |
| 1814 | struct mlx5e_priv *priv = netdev_priv(netdev); |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1815 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1816 | int num_txqs; |
| 1817 | int err; |
| 1818 | |
| 1819 | set_bit(MLX5E_STATE_OPENED, &priv->state); |
| 1820 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 1821 | mlx5e_netdev_set_tcs(netdev); |
| 1822 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1823 | num_txqs = priv->params.num_channels * priv->params.num_tc; |
| 1824 | netif_set_real_num_tx_queues(netdev, num_txqs); |
| 1825 | netif_set_real_num_rx_queues(netdev, priv->params.num_channels); |
| 1826 | |
| 1827 | err = mlx5e_set_dev_port_mtu(netdev); |
| 1828 | if (err) |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1829 | goto err_clear_state_opened_flag; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1830 | |
| 1831 | err = mlx5e_open_channels(priv); |
| 1832 | if (err) { |
| 1833 | netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n", |
| 1834 | __func__, err); |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1835 | goto err_clear_state_opened_flag; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1836 | } |
| 1837 | |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 1838 | err = mlx5e_refresh_tirs_self_loopback_enable(priv->mdev); |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1839 | if (err) { |
| 1840 | netdev_err(netdev, "%s: mlx5e_refresh_tirs_self_loopback_enable failed, %d\n", |
| 1841 | __func__, err); |
| 1842 | goto err_close_channels; |
| 1843 | } |
| 1844 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1845 | mlx5e_redirect_rqts(priv); |
Tariq Toukan | ce89ef3 | 2016-03-02 00:13:33 +0200 | [diff] [blame] | 1846 | mlx5e_update_carrier(priv); |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 1847 | mlx5e_timestamp_init(priv); |
Maor Gottlieb | 5a7b27e | 2016-04-29 01:36:39 +0300 | [diff] [blame] | 1848 | #ifdef CONFIG_RFS_ACCEL |
| 1849 | priv->netdev->rx_cpu_rmap = priv->mdev->rmap; |
| 1850 | #endif |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1851 | if (priv->profile->update_stats) |
| 1852 | queue_delayed_work(priv->wq, &priv->update_stats_work, 0); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1853 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1854 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
| 1855 | err = mlx5e_add_sqs_fwd_rules(priv); |
| 1856 | if (err) |
| 1857 | goto err_close_channels; |
| 1858 | } |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1859 | return 0; |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1860 | |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 1861 | err_close_channels: |
| 1862 | mlx5e_close_channels(priv); |
Achiad Shochat | 343b29f | 2015-09-25 10:49:09 +0300 | [diff] [blame] | 1863 | err_clear_state_opened_flag: |
| 1864 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
| 1865 | return err; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1866 | } |
| 1867 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1868 | int mlx5e_open(struct net_device *netdev) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1869 | { |
| 1870 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1871 | int err; |
| 1872 | |
| 1873 | mutex_lock(&priv->state_lock); |
| 1874 | err = mlx5e_open_locked(netdev); |
| 1875 | mutex_unlock(&priv->state_lock); |
| 1876 | |
| 1877 | return err; |
| 1878 | } |
| 1879 | |
| 1880 | int mlx5e_close_locked(struct net_device *netdev) |
| 1881 | { |
| 1882 | struct mlx5e_priv *priv = netdev_priv(netdev); |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1883 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1884 | |
Achiad Shochat | a198574 | 2015-11-03 08:07:18 +0200 | [diff] [blame] | 1885 | /* May already be CLOSED in case a previous configuration operation |
| 1886 | * (e.g RX/TX queue size change) that involves close&open failed. |
| 1887 | */ |
| 1888 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 1889 | return 0; |
| 1890 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1891 | clear_bit(MLX5E_STATE_OPENED, &priv->state); |
| 1892 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1893 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) |
| 1894 | mlx5e_remove_sqs_fwd_rules(priv); |
| 1895 | |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 1896 | mlx5e_timestamp_cleanup(priv); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1897 | netif_carrier_off(priv->netdev); |
Tariq Toukan | ce89ef3 | 2016-03-02 00:13:33 +0200 | [diff] [blame] | 1898 | mlx5e_redirect_rqts(priv); |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1899 | mlx5e_close_channels(priv); |
| 1900 | |
| 1901 | return 0; |
| 1902 | } |
| 1903 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 1904 | int mlx5e_close(struct net_device *netdev) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 1905 | { |
| 1906 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 1907 | int err; |
| 1908 | |
| 1909 | mutex_lock(&priv->state_lock); |
| 1910 | err = mlx5e_close_locked(netdev); |
| 1911 | mutex_unlock(&priv->state_lock); |
| 1912 | |
| 1913 | return err; |
| 1914 | } |
| 1915 | |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1916 | static int mlx5e_create_drop_rq(struct mlx5e_priv *priv, |
| 1917 | struct mlx5e_rq *rq, |
| 1918 | struct mlx5e_rq_param *param) |
| 1919 | { |
| 1920 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1921 | void *rqc = param->rqc; |
| 1922 | void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 1923 | int err; |
| 1924 | |
| 1925 | param->wq.db_numa_node = param->wq.buf_numa_node; |
| 1926 | |
| 1927 | err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, |
| 1928 | &rq->wq_ctrl); |
| 1929 | if (err) |
| 1930 | return err; |
| 1931 | |
| 1932 | rq->priv = priv; |
| 1933 | |
| 1934 | return 0; |
| 1935 | } |
| 1936 | |
| 1937 | static int mlx5e_create_drop_cq(struct mlx5e_priv *priv, |
| 1938 | struct mlx5e_cq *cq, |
| 1939 | struct mlx5e_cq_param *param) |
| 1940 | { |
| 1941 | struct mlx5_core_dev *mdev = priv->mdev; |
| 1942 | struct mlx5_core_cq *mcq = &cq->mcq; |
| 1943 | int eqn_not_used; |
Doron Tsur | 0b6e26c | 2016-01-17 11:25:47 +0200 | [diff] [blame] | 1944 | unsigned int irqn; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1945 | int err; |
| 1946 | |
| 1947 | err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, |
| 1948 | &cq->wq_ctrl); |
| 1949 | if (err) |
| 1950 | return err; |
| 1951 | |
| 1952 | mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); |
| 1953 | |
| 1954 | mcq->cqe_sz = 64; |
| 1955 | mcq->set_ci_db = cq->wq_ctrl.db.db; |
| 1956 | mcq->arm_db = cq->wq_ctrl.db.db + 1; |
| 1957 | *mcq->set_ci_db = 0; |
| 1958 | *mcq->arm_db = 0; |
| 1959 | mcq->vector = param->eq_ix; |
| 1960 | mcq->comp = mlx5e_completion_event; |
| 1961 | mcq->event = mlx5e_cq_error_event; |
| 1962 | mcq->irqn = irqn; |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 1963 | mcq->uar = &mdev->mlx5e_res.cq_uar; |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1964 | |
| 1965 | cq->priv = priv; |
| 1966 | |
| 1967 | return 0; |
| 1968 | } |
| 1969 | |
| 1970 | static int mlx5e_open_drop_rq(struct mlx5e_priv *priv) |
| 1971 | { |
| 1972 | struct mlx5e_cq_param cq_param; |
| 1973 | struct mlx5e_rq_param rq_param; |
| 1974 | struct mlx5e_rq *rq = &priv->drop_rq; |
| 1975 | struct mlx5e_cq *cq = &priv->drop_rq.cq; |
| 1976 | int err; |
| 1977 | |
| 1978 | memset(&cq_param, 0, sizeof(cq_param)); |
| 1979 | memset(&rq_param, 0, sizeof(rq_param)); |
Tariq Toukan | 556dd1b | 2016-03-02 00:13:36 +0200 | [diff] [blame] | 1980 | mlx5e_build_drop_rq_param(&rq_param); |
Achiad Shochat | 50cfa25 | 2015-08-04 14:05:41 +0300 | [diff] [blame] | 1981 | |
| 1982 | err = mlx5e_create_drop_cq(priv, cq, &cq_param); |
| 1983 | if (err) |
| 1984 | return err; |
| 1985 | |
| 1986 | err = mlx5e_enable_cq(cq, &cq_param); |
| 1987 | if (err) |
| 1988 | goto err_destroy_cq; |
| 1989 | |
| 1990 | err = mlx5e_create_drop_rq(priv, rq, &rq_param); |
| 1991 | if (err) |
| 1992 | goto err_disable_cq; |
| 1993 | |
| 1994 | err = mlx5e_enable_rq(rq, &rq_param); |
| 1995 | if (err) |
| 1996 | goto err_destroy_rq; |
| 1997 | |
| 1998 | return 0; |
| 1999 | |
| 2000 | err_destroy_rq: |
| 2001 | mlx5e_destroy_rq(&priv->drop_rq); |
| 2002 | |
| 2003 | err_disable_cq: |
| 2004 | mlx5e_disable_cq(&priv->drop_rq.cq); |
| 2005 | |
| 2006 | err_destroy_cq: |
| 2007 | mlx5e_destroy_cq(&priv->drop_rq.cq); |
| 2008 | |
| 2009 | return err; |
| 2010 | } |
| 2011 | |
| 2012 | static void mlx5e_close_drop_rq(struct mlx5e_priv *priv) |
| 2013 | { |
| 2014 | mlx5e_disable_rq(&priv->drop_rq); |
| 2015 | mlx5e_destroy_rq(&priv->drop_rq); |
| 2016 | mlx5e_disable_cq(&priv->drop_rq.cq); |
| 2017 | mlx5e_destroy_cq(&priv->drop_rq.cq); |
| 2018 | } |
| 2019 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 2020 | static int mlx5e_create_tis(struct mlx5e_priv *priv, int tc) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2021 | { |
| 2022 | struct mlx5_core_dev *mdev = priv->mdev; |
Saeed Mahameed | c4f287c | 2016-07-19 20:17:12 +0300 | [diff] [blame] | 2023 | u32 in[MLX5_ST_SZ_DW(create_tis_in)] = {0}; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2024 | void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); |
| 2025 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2026 | MLX5_SET(tisc, tisc, prio, tc << 1); |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 2027 | MLX5_SET(tisc, tisc, transport_domain, mdev->mlx5e_res.td.tdn); |
Aviv Heller | db60b80 | 2016-05-30 18:31:13 +0300 | [diff] [blame^] | 2028 | |
| 2029 | if (mlx5_lag_is_lacp_owner(mdev)) |
| 2030 | MLX5_SET(tisc, tisc, strict_lag_tx_port_affinity, 1); |
| 2031 | |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 2032 | return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2033 | } |
| 2034 | |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 2035 | static void mlx5e_destroy_tis(struct mlx5e_priv *priv, int tc) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2036 | { |
Haggai Abramonvsky | 7db22ff | 2015-06-04 19:30:37 +0300 | [diff] [blame] | 2037 | mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2038 | } |
| 2039 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 2040 | int mlx5e_create_tises(struct mlx5e_priv *priv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2041 | { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2042 | int err; |
| 2043 | int tc; |
| 2044 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2045 | for (tc = 0; tc < priv->profile->max_tc; tc++) { |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 2046 | err = mlx5e_create_tis(priv, tc); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2047 | if (err) |
| 2048 | goto err_close_tises; |
| 2049 | } |
| 2050 | |
| 2051 | return 0; |
| 2052 | |
| 2053 | err_close_tises: |
| 2054 | for (tc--; tc >= 0; tc--) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 2055 | mlx5e_destroy_tis(priv, tc); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2056 | |
| 2057 | return err; |
| 2058 | } |
| 2059 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 2060 | void mlx5e_cleanup_nic_tx(struct mlx5e_priv *priv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2061 | { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2062 | int tc; |
| 2063 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2064 | for (tc = 0; tc < priv->profile->max_tc; tc++) |
Achiad Shochat | 40ab6a6 | 2015-08-04 14:05:44 +0300 | [diff] [blame] | 2065 | mlx5e_destroy_tis(priv, tc); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 2066 | } |
| 2067 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2068 | static void mlx5e_build_indir_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, |
| 2069 | enum mlx5e_traffic_types tt) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2070 | { |
| 2071 | void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); |
| 2072 | |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 2073 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); |
Achiad Shochat | 3191e05f | 2015-06-11 14:47:33 +0300 | [diff] [blame] | 2074 | |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 2075 | #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| 2076 | MLX5_HASH_FIELD_SEL_DST_IP) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2077 | |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 2078 | #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| 2079 | MLX5_HASH_FIELD_SEL_DST_IP |\ |
| 2080 | MLX5_HASH_FIELD_SEL_L4_SPORT |\ |
| 2081 | MLX5_HASH_FIELD_SEL_L4_DPORT) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2082 | |
Achiad Shochat | a741749 | 2015-07-23 23:36:01 +0300 | [diff] [blame] | 2083 | #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| 2084 | MLX5_HASH_FIELD_SEL_DST_IP |\ |
| 2085 | MLX5_HASH_FIELD_SEL_IPSEC_SPI) |
| 2086 | |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 2087 | mlx5e_build_tir_ctx_lro(tirc, priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2088 | |
Achiad Shochat | 4cbeaff | 2015-08-04 14:05:40 +0300 | [diff] [blame] | 2089 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 2090 | MLX5_SET(tirc, tirc, indirect_table, priv->indir_rqt.rqtn); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2091 | mlx5e_build_tir_ctx_hash(tirc, priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2092 | |
| 2093 | switch (tt) { |
| 2094 | case MLX5E_TT_IPV4_TCP: |
| 2095 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2096 | MLX5_L3_PROT_TYPE_IPV4); |
| 2097 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 2098 | MLX5_L4_PROT_TYPE_TCP); |
| 2099 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 2100 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2101 | break; |
| 2102 | |
| 2103 | case MLX5E_TT_IPV6_TCP: |
| 2104 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2105 | MLX5_L3_PROT_TYPE_IPV6); |
| 2106 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 2107 | MLX5_L4_PROT_TYPE_TCP); |
| 2108 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 2109 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2110 | break; |
| 2111 | |
| 2112 | case MLX5E_TT_IPV4_UDP: |
| 2113 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2114 | MLX5_L3_PROT_TYPE_IPV4); |
| 2115 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 2116 | MLX5_L4_PROT_TYPE_UDP); |
| 2117 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 2118 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2119 | break; |
| 2120 | |
| 2121 | case MLX5E_TT_IPV6_UDP: |
| 2122 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2123 | MLX5_L3_PROT_TYPE_IPV6); |
| 2124 | MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, |
| 2125 | MLX5_L4_PROT_TYPE_UDP); |
| 2126 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
Achiad Shochat | 5a6f8ae | 2015-07-23 23:36:00 +0300 | [diff] [blame] | 2127 | MLX5_HASH_IP_L4PORTS); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2128 | break; |
| 2129 | |
Achiad Shochat | a741749 | 2015-07-23 23:36:01 +0300 | [diff] [blame] | 2130 | case MLX5E_TT_IPV4_IPSEC_AH: |
| 2131 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2132 | MLX5_L3_PROT_TYPE_IPV4); |
| 2133 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2134 | MLX5_HASH_IP_IPSEC_SPI); |
| 2135 | break; |
| 2136 | |
| 2137 | case MLX5E_TT_IPV6_IPSEC_AH: |
| 2138 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2139 | MLX5_L3_PROT_TYPE_IPV6); |
| 2140 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2141 | MLX5_HASH_IP_IPSEC_SPI); |
| 2142 | break; |
| 2143 | |
| 2144 | case MLX5E_TT_IPV4_IPSEC_ESP: |
| 2145 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2146 | MLX5_L3_PROT_TYPE_IPV4); |
| 2147 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2148 | MLX5_HASH_IP_IPSEC_SPI); |
| 2149 | break; |
| 2150 | |
| 2151 | case MLX5E_TT_IPV6_IPSEC_ESP: |
| 2152 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2153 | MLX5_L3_PROT_TYPE_IPV6); |
| 2154 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2155 | MLX5_HASH_IP_IPSEC_SPI); |
| 2156 | break; |
| 2157 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2158 | case MLX5E_TT_IPV4: |
| 2159 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2160 | MLX5_L3_PROT_TYPE_IPV4); |
| 2161 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2162 | MLX5_HASH_IP); |
| 2163 | break; |
| 2164 | |
| 2165 | case MLX5E_TT_IPV6: |
| 2166 | MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, |
| 2167 | MLX5_L3_PROT_TYPE_IPV6); |
| 2168 | MLX5_SET(rx_hash_field_select, hfso, selected_fields, |
| 2169 | MLX5_HASH_IP); |
| 2170 | break; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2171 | default: |
| 2172 | WARN_ONCE(true, |
| 2173 | "mlx5e_build_indir_tir_ctx: bad traffic type!\n"); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2174 | } |
| 2175 | } |
| 2176 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2177 | static void mlx5e_build_direct_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, |
| 2178 | u32 rqtn) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2179 | { |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 2180 | MLX5_SET(tirc, tirc, transport_domain, priv->mdev->mlx5e_res.td.tdn); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2181 | |
| 2182 | mlx5e_build_tir_ctx_lro(tirc, priv); |
| 2183 | |
| 2184 | MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT); |
| 2185 | MLX5_SET(tirc, tirc, indirect_table, rqtn); |
| 2186 | MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8); |
| 2187 | } |
| 2188 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2189 | static int mlx5e_create_indirect_tirs(struct mlx5e_priv *priv) |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2190 | { |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2191 | struct mlx5e_tir *tir; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2192 | void *tirc; |
| 2193 | int inlen; |
| 2194 | int err; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2195 | u32 *in; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2196 | int tt; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2197 | |
| 2198 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); |
| 2199 | in = mlx5_vzalloc(inlen); |
| 2200 | if (!in) |
| 2201 | return -ENOMEM; |
| 2202 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2203 | for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) { |
| 2204 | memset(in, 0, inlen); |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2205 | tir = &priv->indir_tir[tt]; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2206 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
| 2207 | mlx5e_build_indir_tir_ctx(priv, tirc, tt); |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2208 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2209 | if (err) |
| 2210 | goto err_destroy_tirs; |
| 2211 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2212 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2213 | kvfree(in); |
| 2214 | |
| 2215 | return 0; |
| 2216 | |
| 2217 | err_destroy_tirs: |
| 2218 | for (tt--; tt >= 0; tt--) |
| 2219 | mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[tt]); |
| 2220 | |
| 2221 | kvfree(in); |
| 2222 | |
| 2223 | return err; |
| 2224 | } |
| 2225 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 2226 | int mlx5e_create_direct_tirs(struct mlx5e_priv *priv) |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2227 | { |
| 2228 | int nch = priv->profile->max_nch(priv->mdev); |
| 2229 | struct mlx5e_tir *tir; |
| 2230 | void *tirc; |
| 2231 | int inlen; |
| 2232 | int err; |
| 2233 | u32 *in; |
| 2234 | int ix; |
| 2235 | |
| 2236 | inlen = MLX5_ST_SZ_BYTES(create_tir_in); |
| 2237 | in = mlx5_vzalloc(inlen); |
| 2238 | if (!in) |
| 2239 | return -ENOMEM; |
| 2240 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2241 | for (ix = 0; ix < nch; ix++) { |
| 2242 | memset(in, 0, inlen); |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2243 | tir = &priv->direct_tir[ix]; |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2244 | tirc = MLX5_ADDR_OF(create_tir_in, in, ctx); |
| 2245 | mlx5e_build_direct_tir_ctx(priv, tirc, |
Hadar Hen Zion | 398f335 | 2016-07-01 14:51:06 +0300 | [diff] [blame] | 2246 | priv->direct_tir[ix].rqt.rqtn); |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2247 | err = mlx5e_create_tir(priv->mdev, tir, in, inlen); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2248 | if (err) |
| 2249 | goto err_destroy_ch_tirs; |
| 2250 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2251 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2252 | kvfree(in); |
| 2253 | |
| 2254 | return 0; |
| 2255 | |
| 2256 | err_destroy_ch_tirs: |
| 2257 | for (ix--; ix >= 0; ix--) |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2258 | mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[ix]); |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2259 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2260 | kvfree(in); |
| 2261 | |
| 2262 | return err; |
| 2263 | } |
| 2264 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2265 | static void mlx5e_destroy_indirect_tirs(struct mlx5e_priv *priv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2266 | { |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2267 | int i; |
| 2268 | |
| 2269 | for (i = 0; i < MLX5E_NUM_INDIR_TIRS; i++) |
| 2270 | mlx5e_destroy_tir(priv->mdev, &priv->indir_tir[i]); |
| 2271 | } |
| 2272 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 2273 | void mlx5e_destroy_direct_tirs(struct mlx5e_priv *priv) |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 2274 | { |
| 2275 | int nch = priv->profile->max_nch(priv->mdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2276 | int i; |
| 2277 | |
Tariq Toukan | 1da3669 | 2016-04-29 01:36:32 +0300 | [diff] [blame] | 2278 | for (i = 0; i < nch; i++) |
Hadar Hen Zion | 724b2aa | 2016-07-01 14:51:05 +0300 | [diff] [blame] | 2279 | mlx5e_destroy_tir(priv->mdev, &priv->direct_tir[i]); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2280 | } |
| 2281 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 2282 | int mlx5e_modify_rqs_vsd(struct mlx5e_priv *priv, bool vsd) |
| 2283 | { |
| 2284 | int err = 0; |
| 2285 | int i; |
| 2286 | |
| 2287 | if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 2288 | return 0; |
| 2289 | |
| 2290 | for (i = 0; i < priv->params.num_channels; i++) { |
| 2291 | err = mlx5e_modify_rq_vsd(&priv->channel[i]->rq, vsd); |
| 2292 | if (err) |
| 2293 | return err; |
| 2294 | } |
| 2295 | |
| 2296 | return 0; |
| 2297 | } |
| 2298 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2299 | static int mlx5e_setup_tc(struct net_device *netdev, u8 tc) |
| 2300 | { |
| 2301 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2302 | bool was_opened; |
| 2303 | int err = 0; |
| 2304 | |
| 2305 | if (tc && tc != MLX5E_MAX_NUM_TC) |
| 2306 | return -EINVAL; |
| 2307 | |
| 2308 | mutex_lock(&priv->state_lock); |
| 2309 | |
| 2310 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| 2311 | if (was_opened) |
| 2312 | mlx5e_close_locked(priv->netdev); |
| 2313 | |
| 2314 | priv->params.num_tc = tc ? tc : 1; |
| 2315 | |
| 2316 | if (was_opened) |
| 2317 | err = mlx5e_open_locked(priv->netdev); |
| 2318 | |
| 2319 | mutex_unlock(&priv->state_lock); |
| 2320 | |
| 2321 | return err; |
| 2322 | } |
| 2323 | |
| 2324 | static int mlx5e_ndo_setup_tc(struct net_device *dev, u32 handle, |
| 2325 | __be16 proto, struct tc_to_netdev *tc) |
| 2326 | { |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2327 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2328 | |
| 2329 | if (TC_H_MAJ(handle) != TC_H_MAJ(TC_H_INGRESS)) |
| 2330 | goto mqprio; |
| 2331 | |
| 2332 | switch (tc->type) { |
Amir Vadai | e3a2b7e | 2016-03-08 12:42:37 +0200 | [diff] [blame] | 2333 | case TC_SETUP_CLSFLOWER: |
| 2334 | switch (tc->cls_flower->command) { |
| 2335 | case TC_CLSFLOWER_REPLACE: |
| 2336 | return mlx5e_configure_flower(priv, proto, tc->cls_flower); |
| 2337 | case TC_CLSFLOWER_DESTROY: |
| 2338 | return mlx5e_delete_flower(priv, tc->cls_flower); |
Amir Vadai | aad7e08 | 2016-05-13 12:55:42 +0000 | [diff] [blame] | 2339 | case TC_CLSFLOWER_STATS: |
| 2340 | return mlx5e_stats_flower(priv, tc->cls_flower); |
Amir Vadai | e3a2b7e | 2016-03-08 12:42:37 +0200 | [diff] [blame] | 2341 | } |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2342 | default: |
| 2343 | return -EOPNOTSUPP; |
| 2344 | } |
| 2345 | |
| 2346 | mqprio: |
Amir Vadai | 67ba422 | 2016-03-08 12:42:34 +0200 | [diff] [blame] | 2347 | if (tc->type != TC_SETUP_MQPRIO) |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2348 | return -EINVAL; |
| 2349 | |
| 2350 | return mlx5e_setup_tc(dev, tc->tc); |
| 2351 | } |
| 2352 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 2353 | struct rtnl_link_stats64 * |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2354 | mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) |
| 2355 | { |
| 2356 | struct mlx5e_priv *priv = netdev_priv(dev); |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2357 | struct mlx5e_sw_stats *sstats = &priv->stats.sw; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2358 | struct mlx5e_vport_stats *vstats = &priv->stats.vport; |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2359 | struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2360 | |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2361 | stats->rx_packets = sstats->rx_packets; |
| 2362 | stats->rx_bytes = sstats->rx_bytes; |
| 2363 | stats->tx_packets = sstats->tx_packets; |
| 2364 | stats->tx_bytes = sstats->tx_bytes; |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2365 | |
| 2366 | stats->rx_dropped = priv->stats.qcnt.rx_out_of_buffer; |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2367 | stats->tx_dropped = sstats->tx_queue_dropped; |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2368 | |
| 2369 | stats->rx_length_errors = |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2370 | PPORT_802_3_GET(pstats, a_in_range_length_errors) + |
| 2371 | PPORT_802_3_GET(pstats, a_out_of_range_length_field) + |
| 2372 | PPORT_802_3_GET(pstats, a_frame_too_long_errors); |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2373 | stats->rx_crc_errors = |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2374 | PPORT_802_3_GET(pstats, a_frame_check_sequence_errors); |
| 2375 | stats->rx_frame_errors = PPORT_802_3_GET(pstats, a_alignment_errors); |
| 2376 | stats->tx_aborted_errors = PPORT_2863_GET(pstats, if_out_discards); |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2377 | stats->tx_carrier_errors = |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2378 | PPORT_802_3_GET(pstats, a_symbol_error_during_carrier); |
Gal Pressman | 269e6b3 | 2016-04-24 22:51:46 +0300 | [diff] [blame] | 2379 | stats->rx_errors = stats->rx_length_errors + stats->rx_crc_errors + |
| 2380 | stats->rx_frame_errors; |
| 2381 | stats->tx_errors = stats->tx_aborted_errors + stats->tx_carrier_errors; |
| 2382 | |
| 2383 | /* vport multicast also counts packets that are dropped due to steering |
| 2384 | * or rx out of buffer |
| 2385 | */ |
Gal Pressman | 9218b44 | 2016-04-24 22:51:47 +0300 | [diff] [blame] | 2386 | stats->multicast = |
| 2387 | VPORT_COUNTER_GET(vstats, received_eth_multicast.packets); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2388 | |
| 2389 | return stats; |
| 2390 | } |
| 2391 | |
| 2392 | static void mlx5e_set_rx_mode(struct net_device *dev) |
| 2393 | { |
| 2394 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2395 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 2396 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2397 | } |
| 2398 | |
| 2399 | static int mlx5e_set_mac(struct net_device *netdev, void *addr) |
| 2400 | { |
| 2401 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2402 | struct sockaddr *saddr = addr; |
| 2403 | |
| 2404 | if (!is_valid_ether_addr(saddr->sa_data)) |
| 2405 | return -EADDRNOTAVAIL; |
| 2406 | |
| 2407 | netif_addr_lock_bh(netdev); |
| 2408 | ether_addr_copy(netdev->dev_addr, saddr->sa_data); |
| 2409 | netif_addr_unlock_bh(netdev); |
| 2410 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 2411 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2412 | |
| 2413 | return 0; |
| 2414 | } |
| 2415 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2416 | #define MLX5E_SET_FEATURE(netdev, feature, enable) \ |
| 2417 | do { \ |
| 2418 | if (enable) \ |
| 2419 | netdev->features |= feature; \ |
| 2420 | else \ |
| 2421 | netdev->features &= ~feature; \ |
| 2422 | } while (0) |
| 2423 | |
| 2424 | typedef int (*mlx5e_feature_handler)(struct net_device *netdev, bool enable); |
| 2425 | |
| 2426 | static int set_feature_lro(struct net_device *netdev, bool enable) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2427 | { |
| 2428 | struct mlx5e_priv *priv = netdev_priv(netdev); |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2429 | bool was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| 2430 | int err; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2431 | |
| 2432 | mutex_lock(&priv->state_lock); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2433 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2434 | if (was_opened && (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST)) |
| 2435 | mlx5e_close_locked(priv->netdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2436 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2437 | priv->params.lro_en = enable; |
| 2438 | err = mlx5e_modify_tirs_lro(priv); |
| 2439 | if (err) { |
| 2440 | netdev_err(netdev, "lro modify failed, %d\n", err); |
| 2441 | priv->params.lro_en = !enable; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2442 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2443 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2444 | if (was_opened && (priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST)) |
| 2445 | mlx5e_open_locked(priv->netdev); |
| 2446 | |
Achiad Shochat | 9b37b07 | 2015-08-04 14:05:46 +0300 | [diff] [blame] | 2447 | mutex_unlock(&priv->state_lock); |
| 2448 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2449 | return err; |
| 2450 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2451 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2452 | static int set_feature_vlan_filter(struct net_device *netdev, bool enable) |
| 2453 | { |
| 2454 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2455 | |
| 2456 | if (enable) |
| 2457 | mlx5e_enable_vlan_filter(priv); |
| 2458 | else |
| 2459 | mlx5e_disable_vlan_filter(priv); |
| 2460 | |
| 2461 | return 0; |
| 2462 | } |
| 2463 | |
| 2464 | static int set_feature_tc_num_filters(struct net_device *netdev, bool enable) |
| 2465 | { |
| 2466 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2467 | |
| 2468 | if (!enable && mlx5e_tc_num_filters(priv)) { |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 2469 | netdev_err(netdev, |
| 2470 | "Active offloaded tc filters, can't turn hw_tc_offload off\n"); |
| 2471 | return -EINVAL; |
| 2472 | } |
| 2473 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2474 | return 0; |
| 2475 | } |
| 2476 | |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2477 | static int set_feature_rx_all(struct net_device *netdev, bool enable) |
| 2478 | { |
| 2479 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2480 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2481 | |
| 2482 | return mlx5_set_port_fcs(mdev, !enable); |
| 2483 | } |
| 2484 | |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 2485 | static int set_feature_rx_vlan(struct net_device *netdev, bool enable) |
| 2486 | { |
| 2487 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2488 | int err; |
| 2489 | |
| 2490 | mutex_lock(&priv->state_lock); |
| 2491 | |
| 2492 | priv->params.vlan_strip_disable = !enable; |
| 2493 | err = mlx5e_modify_rqs_vsd(priv, !enable); |
| 2494 | if (err) |
| 2495 | priv->params.vlan_strip_disable = enable; |
| 2496 | |
| 2497 | mutex_unlock(&priv->state_lock); |
| 2498 | |
| 2499 | return err; |
| 2500 | } |
| 2501 | |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2502 | #ifdef CONFIG_RFS_ACCEL |
| 2503 | static int set_feature_arfs(struct net_device *netdev, bool enable) |
| 2504 | { |
| 2505 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2506 | int err; |
| 2507 | |
| 2508 | if (enable) |
| 2509 | err = mlx5e_arfs_enable(priv); |
| 2510 | else |
| 2511 | err = mlx5e_arfs_disable(priv); |
| 2512 | |
| 2513 | return err; |
| 2514 | } |
| 2515 | #endif |
| 2516 | |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2517 | static int mlx5e_handle_feature(struct net_device *netdev, |
| 2518 | netdev_features_t wanted_features, |
| 2519 | netdev_features_t feature, |
| 2520 | mlx5e_feature_handler feature_handler) |
| 2521 | { |
| 2522 | netdev_features_t changes = wanted_features ^ netdev->features; |
| 2523 | bool enable = !!(wanted_features & feature); |
| 2524 | int err; |
| 2525 | |
| 2526 | if (!(changes & feature)) |
| 2527 | return 0; |
| 2528 | |
| 2529 | err = feature_handler(netdev, enable); |
| 2530 | if (err) { |
| 2531 | netdev_err(netdev, "%s feature 0x%llx failed err %d\n", |
| 2532 | enable ? "Enable" : "Disable", feature, err); |
| 2533 | return err; |
| 2534 | } |
| 2535 | |
| 2536 | MLX5E_SET_FEATURE(netdev, feature, enable); |
| 2537 | return 0; |
| 2538 | } |
| 2539 | |
| 2540 | static int mlx5e_set_features(struct net_device *netdev, |
| 2541 | netdev_features_t features) |
| 2542 | { |
| 2543 | int err; |
| 2544 | |
| 2545 | err = mlx5e_handle_feature(netdev, features, NETIF_F_LRO, |
| 2546 | set_feature_lro); |
| 2547 | err |= mlx5e_handle_feature(netdev, features, |
| 2548 | NETIF_F_HW_VLAN_CTAG_FILTER, |
| 2549 | set_feature_vlan_filter); |
| 2550 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_TC, |
| 2551 | set_feature_tc_num_filters); |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 2552 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_RXALL, |
| 2553 | set_feature_rx_all); |
Gal Pressman | 3635011 | 2016-04-24 22:51:55 +0300 | [diff] [blame] | 2554 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_HW_VLAN_CTAG_RX, |
| 2555 | set_feature_rx_vlan); |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2556 | #ifdef CONFIG_RFS_ACCEL |
| 2557 | err |= mlx5e_handle_feature(netdev, features, NETIF_F_NTUPLE, |
| 2558 | set_feature_arfs); |
| 2559 | #endif |
Gal Pressman | 0e40544 | 2016-04-24 22:51:51 +0300 | [diff] [blame] | 2560 | |
| 2561 | return err ? -EINVAL : 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2562 | } |
| 2563 | |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2564 | #define MXL5_HW_MIN_MTU 64 |
| 2565 | #define MXL5E_MIN_MTU (MXL5_HW_MIN_MTU + ETH_FCS_LEN) |
| 2566 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2567 | static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu) |
| 2568 | { |
| 2569 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2570 | struct mlx5_core_dev *mdev = priv->mdev; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2571 | bool was_opened; |
Saeed Mahameed | 046339e | 2016-04-22 00:33:03 +0300 | [diff] [blame] | 2572 | u16 max_mtu; |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2573 | u16 min_mtu; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2574 | int err = 0; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2575 | |
Saeed Mahameed | facc969 | 2015-06-11 14:47:27 +0300 | [diff] [blame] | 2576 | mlx5_query_port_max_mtu(mdev, &max_mtu, 1); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2577 | |
Doron Tsur | 50a9eea | 2015-11-12 19:35:27 +0200 | [diff] [blame] | 2578 | max_mtu = MLX5E_HW2SW_MTU(max_mtu); |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2579 | min_mtu = MLX5E_HW2SW_MTU(MXL5E_MIN_MTU); |
Doron Tsur | 50a9eea | 2015-11-12 19:35:27 +0200 | [diff] [blame] | 2580 | |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2581 | if (new_mtu > max_mtu || new_mtu < min_mtu) { |
Saeed Mahameed | facc969 | 2015-06-11 14:47:27 +0300 | [diff] [blame] | 2582 | netdev_err(netdev, |
Saeed Mahameed | d8edd24 | 2016-04-22 00:33:04 +0300 | [diff] [blame] | 2583 | "%s: Bad MTU (%d), valid range is: [%d..%d]\n", |
| 2584 | __func__, new_mtu, min_mtu, max_mtu); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2585 | return -EINVAL; |
| 2586 | } |
| 2587 | |
| 2588 | mutex_lock(&priv->state_lock); |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2589 | |
| 2590 | was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); |
| 2591 | if (was_opened) |
| 2592 | mlx5e_close_locked(netdev); |
| 2593 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2594 | netdev->mtu = new_mtu; |
Achiad Shochat | 98e81b0 | 2015-07-29 15:05:46 +0300 | [diff] [blame] | 2595 | |
| 2596 | if (was_opened) |
| 2597 | err = mlx5e_open_locked(netdev); |
| 2598 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2599 | mutex_unlock(&priv->state_lock); |
| 2600 | |
| 2601 | return err; |
| 2602 | } |
| 2603 | |
Eran Ben Elisha | ef9814d | 2015-12-29 14:58:31 +0200 | [diff] [blame] | 2604 | static int mlx5e_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) |
| 2605 | { |
| 2606 | switch (cmd) { |
| 2607 | case SIOCSHWTSTAMP: |
| 2608 | return mlx5e_hwstamp_set(dev, ifr); |
| 2609 | case SIOCGHWTSTAMP: |
| 2610 | return mlx5e_hwstamp_get(dev, ifr); |
| 2611 | default: |
| 2612 | return -EOPNOTSUPP; |
| 2613 | } |
| 2614 | } |
| 2615 | |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 2616 | static int mlx5e_set_vf_mac(struct net_device *dev, int vf, u8 *mac) |
| 2617 | { |
| 2618 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2619 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2620 | |
| 2621 | return mlx5_eswitch_set_vport_mac(mdev->priv.eswitch, vf + 1, mac); |
| 2622 | } |
| 2623 | |
| 2624 | static int mlx5e_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos) |
| 2625 | { |
| 2626 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2627 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2628 | |
| 2629 | return mlx5_eswitch_set_vport_vlan(mdev->priv.eswitch, vf + 1, |
| 2630 | vlan, qos); |
| 2631 | } |
| 2632 | |
Mohamad Haj Yahia | f942380 | 2016-05-03 17:13:59 +0300 | [diff] [blame] | 2633 | static int mlx5e_set_vf_spoofchk(struct net_device *dev, int vf, bool setting) |
| 2634 | { |
| 2635 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2636 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2637 | |
| 2638 | return mlx5_eswitch_set_vport_spoofchk(mdev->priv.eswitch, vf + 1, setting); |
| 2639 | } |
| 2640 | |
Mohamad Haj Yahia | 1edc57e | 2016-05-03 17:14:04 +0300 | [diff] [blame] | 2641 | static int mlx5e_set_vf_trust(struct net_device *dev, int vf, bool setting) |
| 2642 | { |
| 2643 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2644 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2645 | |
| 2646 | return mlx5_eswitch_set_vport_trust(mdev->priv.eswitch, vf + 1, setting); |
| 2647 | } |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 2648 | static int mlx5_vport_link2ifla(u8 esw_link) |
| 2649 | { |
| 2650 | switch (esw_link) { |
| 2651 | case MLX5_ESW_VPORT_ADMIN_STATE_DOWN: |
| 2652 | return IFLA_VF_LINK_STATE_DISABLE; |
| 2653 | case MLX5_ESW_VPORT_ADMIN_STATE_UP: |
| 2654 | return IFLA_VF_LINK_STATE_ENABLE; |
| 2655 | } |
| 2656 | return IFLA_VF_LINK_STATE_AUTO; |
| 2657 | } |
| 2658 | |
| 2659 | static int mlx5_ifla_link2vport(u8 ifla_link) |
| 2660 | { |
| 2661 | switch (ifla_link) { |
| 2662 | case IFLA_VF_LINK_STATE_DISABLE: |
| 2663 | return MLX5_ESW_VPORT_ADMIN_STATE_DOWN; |
| 2664 | case IFLA_VF_LINK_STATE_ENABLE: |
| 2665 | return MLX5_ESW_VPORT_ADMIN_STATE_UP; |
| 2666 | } |
| 2667 | return MLX5_ESW_VPORT_ADMIN_STATE_AUTO; |
| 2668 | } |
| 2669 | |
| 2670 | static int mlx5e_set_vf_link_state(struct net_device *dev, int vf, |
| 2671 | int link_state) |
| 2672 | { |
| 2673 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2674 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2675 | |
| 2676 | return mlx5_eswitch_set_vport_state(mdev->priv.eswitch, vf + 1, |
| 2677 | mlx5_ifla_link2vport(link_state)); |
| 2678 | } |
| 2679 | |
| 2680 | static int mlx5e_get_vf_config(struct net_device *dev, |
| 2681 | int vf, struct ifla_vf_info *ivi) |
| 2682 | { |
| 2683 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2684 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2685 | int err; |
| 2686 | |
| 2687 | err = mlx5_eswitch_get_vport_config(mdev->priv.eswitch, vf + 1, ivi); |
| 2688 | if (err) |
| 2689 | return err; |
| 2690 | ivi->linkstate = mlx5_vport_link2ifla(ivi->linkstate); |
| 2691 | return 0; |
| 2692 | } |
| 2693 | |
| 2694 | static int mlx5e_get_vf_stats(struct net_device *dev, |
| 2695 | int vf, struct ifla_vf_stats *vf_stats) |
| 2696 | { |
| 2697 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2698 | struct mlx5_core_dev *mdev = priv->mdev; |
| 2699 | |
| 2700 | return mlx5_eswitch_get_vport_stats(mdev->priv.eswitch, vf + 1, |
| 2701 | vf_stats); |
| 2702 | } |
| 2703 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2704 | static void mlx5e_add_vxlan_port(struct net_device *netdev, |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2705 | struct udp_tunnel_info *ti) |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2706 | { |
| 2707 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2708 | |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2709 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
| 2710 | return; |
| 2711 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2712 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
| 2713 | return; |
| 2714 | |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2715 | mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 1); |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2716 | } |
| 2717 | |
| 2718 | static void mlx5e_del_vxlan_port(struct net_device *netdev, |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2719 | struct udp_tunnel_info *ti) |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2720 | { |
| 2721 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2722 | |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2723 | if (ti->type != UDP_TUNNEL_TYPE_VXLAN) |
| 2724 | return; |
| 2725 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2726 | if (!mlx5e_vxlan_allowed(priv->mdev)) |
| 2727 | return; |
| 2728 | |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2729 | mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 0); |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2730 | } |
| 2731 | |
| 2732 | static netdev_features_t mlx5e_vxlan_features_check(struct mlx5e_priv *priv, |
| 2733 | struct sk_buff *skb, |
| 2734 | netdev_features_t features) |
| 2735 | { |
| 2736 | struct udphdr *udph; |
| 2737 | u16 proto; |
| 2738 | u16 port = 0; |
| 2739 | |
| 2740 | switch (vlan_get_protocol(skb)) { |
| 2741 | case htons(ETH_P_IP): |
| 2742 | proto = ip_hdr(skb)->protocol; |
| 2743 | break; |
| 2744 | case htons(ETH_P_IPV6): |
| 2745 | proto = ipv6_hdr(skb)->nexthdr; |
| 2746 | break; |
| 2747 | default: |
| 2748 | goto out; |
| 2749 | } |
| 2750 | |
| 2751 | if (proto == IPPROTO_UDP) { |
| 2752 | udph = udp_hdr(skb); |
| 2753 | port = be16_to_cpu(udph->dest); |
| 2754 | } |
| 2755 | |
| 2756 | /* Verify if UDP port is being offloaded by HW */ |
| 2757 | if (port && mlx5e_vxlan_lookup_port(priv, port)) |
| 2758 | return features; |
| 2759 | |
| 2760 | out: |
| 2761 | /* Disable CSUM and GSO if the udp dport is not offloaded by HW */ |
| 2762 | return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK); |
| 2763 | } |
| 2764 | |
| 2765 | static netdev_features_t mlx5e_features_check(struct sk_buff *skb, |
| 2766 | struct net_device *netdev, |
| 2767 | netdev_features_t features) |
| 2768 | { |
| 2769 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 2770 | |
| 2771 | features = vlan_features_check(skb, features); |
| 2772 | features = vxlan_features_check(skb, features); |
| 2773 | |
| 2774 | /* Validate if the tunneled packet is being offloaded by HW */ |
| 2775 | if (skb->encapsulation && |
| 2776 | (features & NETIF_F_CSUM_MASK || features & NETIF_F_GSO_MASK)) |
| 2777 | return mlx5e_vxlan_features_check(priv, skb, features); |
| 2778 | |
| 2779 | return features; |
| 2780 | } |
| 2781 | |
Daniel Jurgens | 3947ca1 | 2016-06-30 17:34:45 +0300 | [diff] [blame] | 2782 | static void mlx5e_tx_timeout(struct net_device *dev) |
| 2783 | { |
| 2784 | struct mlx5e_priv *priv = netdev_priv(dev); |
| 2785 | bool sched_work = false; |
| 2786 | int i; |
| 2787 | |
| 2788 | netdev_err(dev, "TX timeout detected\n"); |
| 2789 | |
| 2790 | for (i = 0; i < priv->params.num_channels * priv->params.num_tc; i++) { |
| 2791 | struct mlx5e_sq *sq = priv->txq_to_sq_map[i]; |
| 2792 | |
Daniel Jurgens | 2c1ccc9 | 2016-07-13 00:06:59 +0300 | [diff] [blame] | 2793 | if (!netif_xmit_stopped(netdev_get_tx_queue(dev, i))) |
Daniel Jurgens | 3947ca1 | 2016-06-30 17:34:45 +0300 | [diff] [blame] | 2794 | continue; |
| 2795 | sched_work = true; |
| 2796 | set_bit(MLX5E_SQ_STATE_TX_TIMEOUT, &sq->state); |
| 2797 | netdev_err(dev, "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x\n", |
| 2798 | i, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc); |
| 2799 | } |
| 2800 | |
| 2801 | if (sched_work && test_bit(MLX5E_STATE_OPENED, &priv->state)) |
| 2802 | schedule_work(&priv->tx_timeout_work); |
| 2803 | } |
| 2804 | |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2805 | static const struct net_device_ops mlx5e_netdev_ops_basic = { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2806 | .ndo_open = mlx5e_open, |
| 2807 | .ndo_stop = mlx5e_close, |
| 2808 | .ndo_start_xmit = mlx5e_xmit, |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2809 | .ndo_setup_tc = mlx5e_ndo_setup_tc, |
| 2810 | .ndo_select_queue = mlx5e_select_queue, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2811 | .ndo_get_stats64 = mlx5e_get_stats, |
| 2812 | .ndo_set_rx_mode = mlx5e_set_rx_mode, |
| 2813 | .ndo_set_mac_address = mlx5e_set_mac, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2814 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
| 2815 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2816 | .ndo_set_features = mlx5e_set_features, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2817 | .ndo_change_mtu = mlx5e_change_mtu, |
| 2818 | .ndo_do_ioctl = mlx5e_ioctl, |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 2819 | .ndo_set_tx_maxrate = mlx5e_set_tx_maxrate, |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2820 | #ifdef CONFIG_RFS_ACCEL |
| 2821 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, |
| 2822 | #endif |
Daniel Jurgens | 3947ca1 | 2016-06-30 17:34:45 +0300 | [diff] [blame] | 2823 | .ndo_tx_timeout = mlx5e_tx_timeout, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2824 | }; |
| 2825 | |
| 2826 | static const struct net_device_ops mlx5e_netdev_ops_sriov = { |
| 2827 | .ndo_open = mlx5e_open, |
| 2828 | .ndo_stop = mlx5e_close, |
| 2829 | .ndo_start_xmit = mlx5e_xmit, |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2830 | .ndo_setup_tc = mlx5e_ndo_setup_tc, |
| 2831 | .ndo_select_queue = mlx5e_select_queue, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2832 | .ndo_get_stats64 = mlx5e_get_stats, |
| 2833 | .ndo_set_rx_mode = mlx5e_set_rx_mode, |
| 2834 | .ndo_set_mac_address = mlx5e_set_mac, |
| 2835 | .ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid, |
| 2836 | .ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid, |
| 2837 | .ndo_set_features = mlx5e_set_features, |
| 2838 | .ndo_change_mtu = mlx5e_change_mtu, |
| 2839 | .ndo_do_ioctl = mlx5e_ioctl, |
Alexander Duyck | 974c3f3 | 2016-06-16 12:22:38 -0700 | [diff] [blame] | 2840 | .ndo_udp_tunnel_add = mlx5e_add_vxlan_port, |
| 2841 | .ndo_udp_tunnel_del = mlx5e_del_vxlan_port, |
Yevgeny Petrilin | 507f0c8 | 2016-06-23 17:02:38 +0300 | [diff] [blame] | 2842 | .ndo_set_tx_maxrate = mlx5e_set_tx_maxrate, |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 2843 | .ndo_features_check = mlx5e_features_check, |
Maor Gottlieb | 45bf454a | 2016-04-29 01:36:42 +0300 | [diff] [blame] | 2844 | #ifdef CONFIG_RFS_ACCEL |
| 2845 | .ndo_rx_flow_steer = mlx5e_rx_flow_steer, |
| 2846 | #endif |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2847 | .ndo_set_vf_mac = mlx5e_set_vf_mac, |
| 2848 | .ndo_set_vf_vlan = mlx5e_set_vf_vlan, |
Mohamad Haj Yahia | f942380 | 2016-05-03 17:13:59 +0300 | [diff] [blame] | 2849 | .ndo_set_vf_spoofchk = mlx5e_set_vf_spoofchk, |
Mohamad Haj Yahia | 1edc57e | 2016-05-03 17:14:04 +0300 | [diff] [blame] | 2850 | .ndo_set_vf_trust = mlx5e_set_vf_trust, |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 2851 | .ndo_get_vf_config = mlx5e_get_vf_config, |
| 2852 | .ndo_set_vf_link_state = mlx5e_set_vf_link_state, |
| 2853 | .ndo_get_vf_stats = mlx5e_get_vf_stats, |
Daniel Jurgens | 3947ca1 | 2016-06-30 17:34:45 +0300 | [diff] [blame] | 2854 | .ndo_tx_timeout = mlx5e_tx_timeout, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2855 | }; |
| 2856 | |
| 2857 | static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) |
| 2858 | { |
| 2859 | if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) |
| 2860 | return -ENOTSUPP; |
| 2861 | if (!MLX5_CAP_GEN(mdev, eth_net_offloads) || |
| 2862 | !MLX5_CAP_GEN(mdev, nic_flow_table) || |
| 2863 | !MLX5_CAP_ETH(mdev, csum_cap) || |
| 2864 | !MLX5_CAP_ETH(mdev, max_lso_cap) || |
| 2865 | !MLX5_CAP_ETH(mdev, vlan_cap) || |
Gal Pressman | 796a27e | 2015-06-11 14:47:30 +0300 | [diff] [blame] | 2866 | !MLX5_CAP_ETH(mdev, rss_ind_tbl_cap) || |
| 2867 | MLX5_CAP_FLOWTABLE(mdev, |
| 2868 | flow_table_properties_nic_receive.max_ft_level) |
| 2869 | < 3) { |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2870 | mlx5_core_warn(mdev, |
| 2871 | "Not creating net device, some required device capabilities are missing\n"); |
| 2872 | return -ENOTSUPP; |
| 2873 | } |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 2874 | if (!MLX5_CAP_ETH(mdev, self_lb_en_modifiable)) |
| 2875 | mlx5_core_warn(mdev, "Self loop back prevention is not supported\n"); |
Gal Pressman | 7524a5d | 2016-03-02 00:13:37 +0200 | [diff] [blame] | 2876 | if (!MLX5_CAP_GEN(mdev, cq_moderation)) |
| 2877 | mlx5_core_warn(mdev, "CQ modiration is not supported\n"); |
Tariq Toukan | 6618996 | 2015-11-12 19:35:26 +0200 | [diff] [blame] | 2878 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 2879 | return 0; |
| 2880 | } |
| 2881 | |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 2882 | u16 mlx5e_get_max_inline_cap(struct mlx5_core_dev *mdev) |
| 2883 | { |
| 2884 | int bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; |
| 2885 | |
| 2886 | return bf_buf_size - |
| 2887 | sizeof(struct mlx5e_tx_wqe) + |
| 2888 | 2 /*sizeof(mlx5e_tx_wqe.inline_hdr_start)*/; |
| 2889 | } |
| 2890 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 2891 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 2892 | static void mlx5e_ets_init(struct mlx5e_priv *priv) |
| 2893 | { |
| 2894 | int i; |
| 2895 | |
| 2896 | priv->params.ets.ets_cap = mlx5_max_tc(priv->mdev) + 1; |
| 2897 | for (i = 0; i < priv->params.ets.ets_cap; i++) { |
| 2898 | priv->params.ets.tc_tx_bw[i] = MLX5E_MAX_BW_ALLOC; |
| 2899 | priv->params.ets.tc_tsa[i] = IEEE_8021QAZ_TSA_VENDOR; |
| 2900 | priv->params.ets.prio_tc[i] = i; |
| 2901 | } |
| 2902 | |
| 2903 | /* tclass[prio=0]=1, tclass[prio=1]=0, tclass[prio=i]=i (for i>1) */ |
| 2904 | priv->params.ets.prio_tc[0] = 1; |
| 2905 | priv->params.ets.prio_tc[1] = 0; |
| 2906 | } |
| 2907 | #endif |
| 2908 | |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2909 | void mlx5e_build_default_indir_rqt(struct mlx5_core_dev *mdev, |
| 2910 | u32 *indirection_rqt, int len, |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2911 | int num_channels) |
| 2912 | { |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2913 | int node = mdev->priv.numa_node; |
| 2914 | int node_num_of_cores; |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2915 | int i; |
| 2916 | |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 2917 | if (node == -1) |
| 2918 | node = first_online_node; |
| 2919 | |
| 2920 | node_num_of_cores = cpumask_weight(cpumask_of_node(node)); |
| 2921 | |
| 2922 | if (node_num_of_cores) |
| 2923 | num_channels = min_t(int, num_channels, node_num_of_cores); |
| 2924 | |
Tariq Toukan | 85082db | 2016-02-29 21:17:13 +0200 | [diff] [blame] | 2925 | for (i = 0; i < len; i++) |
| 2926 | indirection_rqt[i] = i % num_channels; |
| 2927 | } |
| 2928 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 2929 | static bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev) |
| 2930 | { |
| 2931 | return MLX5_CAP_GEN(mdev, striding_rq) && |
| 2932 | MLX5_CAP_GEN(mdev, umr_ptr_rlky) && |
| 2933 | MLX5_CAP_ETH(mdev, reg_umr_sq); |
| 2934 | } |
| 2935 | |
Saeed Mahameed | b797a68 | 2016-05-11 00:29:16 +0300 | [diff] [blame] | 2936 | static int mlx5e_get_pci_bw(struct mlx5_core_dev *mdev, u32 *pci_bw) |
| 2937 | { |
| 2938 | enum pcie_link_width width; |
| 2939 | enum pci_bus_speed speed; |
| 2940 | int err = 0; |
| 2941 | |
| 2942 | err = pcie_get_minimum_link(mdev->pdev, &speed, &width); |
| 2943 | if (err) |
| 2944 | return err; |
| 2945 | |
| 2946 | if (speed == PCI_SPEED_UNKNOWN || width == PCIE_LNK_WIDTH_UNKNOWN) |
| 2947 | return -EINVAL; |
| 2948 | |
| 2949 | switch (speed) { |
| 2950 | case PCIE_SPEED_2_5GT: |
| 2951 | *pci_bw = 2500 * width; |
| 2952 | break; |
| 2953 | case PCIE_SPEED_5_0GT: |
| 2954 | *pci_bw = 5000 * width; |
| 2955 | break; |
| 2956 | case PCIE_SPEED_8_0GT: |
| 2957 | *pci_bw = 8000 * width; |
| 2958 | break; |
| 2959 | default: |
| 2960 | return -EINVAL; |
| 2961 | } |
| 2962 | |
| 2963 | return 0; |
| 2964 | } |
| 2965 | |
| 2966 | static bool cqe_compress_heuristic(u32 link_speed, u32 pci_bw) |
| 2967 | { |
| 2968 | return (link_speed && pci_bw && |
| 2969 | (pci_bw < 40000) && (pci_bw < link_speed)); |
| 2970 | } |
| 2971 | |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 2972 | void mlx5e_set_rx_cq_mode_params(struct mlx5e_params *params, u8 cq_period_mode) |
| 2973 | { |
| 2974 | params->rx_cq_period_mode = cq_period_mode; |
| 2975 | |
| 2976 | params->rx_cq_moderation.pkts = |
| 2977 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; |
| 2978 | params->rx_cq_moderation.usec = |
| 2979 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; |
| 2980 | |
| 2981 | if (cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE) |
| 2982 | params->rx_cq_moderation.usec = |
| 2983 | MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE; |
| 2984 | } |
| 2985 | |
Hadar Hen Zion | cff92d7 | 2016-07-24 16:12:40 +0300 | [diff] [blame] | 2986 | static void mlx5e_query_min_inline(struct mlx5_core_dev *mdev, |
| 2987 | u8 *min_inline_mode) |
| 2988 | { |
| 2989 | switch (MLX5_CAP_ETH(mdev, wqe_inline_mode)) { |
| 2990 | case MLX5E_INLINE_MODE_L2: |
| 2991 | *min_inline_mode = MLX5_INLINE_MODE_L2; |
| 2992 | break; |
| 2993 | case MLX5E_INLINE_MODE_VPORT_CONTEXT: |
| 2994 | mlx5_query_nic_vport_min_inline(mdev, |
| 2995 | min_inline_mode); |
| 2996 | break; |
| 2997 | case MLX5_INLINE_MODE_NOT_REQUIRED: |
| 2998 | *min_inline_mode = MLX5_INLINE_MODE_NONE; |
| 2999 | break; |
| 3000 | } |
| 3001 | } |
| 3002 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3003 | static void mlx5e_build_nic_netdev_priv(struct mlx5_core_dev *mdev, |
| 3004 | struct net_device *netdev, |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3005 | const struct mlx5e_profile *profile, |
| 3006 | void *ppriv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3007 | { |
| 3008 | struct mlx5e_priv *priv = netdev_priv(netdev); |
Saeed Mahameed | b797a68 | 2016-05-11 00:29:16 +0300 | [diff] [blame] | 3009 | u32 link_speed = 0; |
| 3010 | u32 pci_bw = 0; |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 3011 | u8 cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? |
| 3012 | MLX5_CQ_PERIOD_MODE_START_FROM_CQE : |
| 3013 | MLX5_CQ_PERIOD_MODE_START_FROM_EQE; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3014 | |
| 3015 | priv->params.log_sq_size = |
| 3016 | MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3017 | priv->params.rq_wq_type = mlx5e_check_fragmented_striding_rq_cap(mdev) ? |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 3018 | MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ : |
| 3019 | MLX5_WQ_TYPE_LINKED_LIST; |
| 3020 | |
Saeed Mahameed | b797a68 | 2016-05-11 00:29:16 +0300 | [diff] [blame] | 3021 | /* set CQE compression */ |
| 3022 | priv->params.rx_cqe_compress_admin = false; |
| 3023 | if (MLX5_CAP_GEN(mdev, cqe_compression) && |
| 3024 | MLX5_CAP_GEN(mdev, vport_group_manager)) { |
| 3025 | mlx5e_get_max_linkspeed(mdev, &link_speed); |
| 3026 | mlx5e_get_pci_bw(mdev, &pci_bw); |
| 3027 | mlx5_core_dbg(mdev, "Max link speed = %d, PCI BW = %d\n", |
| 3028 | link_speed, pci_bw); |
| 3029 | priv->params.rx_cqe_compress_admin = |
| 3030 | cqe_compress_heuristic(link_speed, pci_bw); |
| 3031 | } |
| 3032 | |
| 3033 | priv->params.rx_cqe_compress = priv->params.rx_cqe_compress_admin; |
| 3034 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 3035 | switch (priv->params.rq_wq_type) { |
| 3036 | case MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ: |
| 3037 | priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW; |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 3038 | priv->params.mpwqe_log_stride_sz = |
| 3039 | priv->params.rx_cqe_compress ? |
| 3040 | MLX5_MPWRQ_LOG_STRIDE_SIZE_CQE_COMPRESS : |
| 3041 | MLX5_MPWRQ_LOG_STRIDE_SIZE; |
| 3042 | priv->params.mpwqe_log_num_strides = MLX5_MPWRQ_LOG_WQE_SZ - |
| 3043 | priv->params.mpwqe_log_stride_sz; |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 3044 | priv->params.lro_en = true; |
| 3045 | break; |
| 3046 | default: /* MLX5_WQ_TYPE_LINKED_LIST */ |
| 3047 | priv->params.log_rq_size = MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; |
| 3048 | } |
| 3049 | |
Tariq Toukan | d9d9f15 | 2016-05-11 00:29:15 +0300 | [diff] [blame] | 3050 | mlx5_core_info(mdev, |
| 3051 | "MLX5E: StrdRq(%d) RqSz(%ld) StrdSz(%ld) RxCqeCmprss(%d)\n", |
| 3052 | priv->params.rq_wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ, |
| 3053 | BIT(priv->params.log_rq_size), |
| 3054 | BIT(priv->params.mpwqe_log_stride_sz), |
| 3055 | priv->params.rx_cqe_compress_admin); |
| 3056 | |
Tariq Toukan | 461017c | 2016-04-20 22:02:13 +0300 | [diff] [blame] | 3057 | priv->params.min_rx_wqes = mlx5_min_rx_wqes(priv->params.rq_wq_type, |
| 3058 | BIT(priv->params.log_rq_size)); |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 3059 | |
Gil Rockah | cb3c7fd | 2016-06-23 17:02:41 +0300 | [diff] [blame] | 3060 | priv->params.rx_am_enabled = MLX5_CAP_GEN(mdev, cq_moderation); |
| 3061 | mlx5e_set_rx_cq_mode_params(&priv->params, cq_period_mode); |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 3062 | |
| 3063 | priv->params.tx_cq_moderation.usec = |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3064 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 3065 | priv->params.tx_cq_moderation.pkts = |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3066 | MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; |
Achiad Shochat | 58d5229 | 2015-07-23 23:35:58 +0300 | [diff] [blame] | 3067 | priv->params.tx_max_inline = mlx5e_get_max_inline_cap(mdev); |
Hadar Hen Zion | cff92d7 | 2016-07-24 16:12:40 +0300 | [diff] [blame] | 3068 | mlx5e_query_min_inline(mdev, &priv->params.tx_min_inline_mode); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3069 | priv->params.num_tc = 1; |
Saeed Mahameed | 2be6967 | 2015-07-23 23:35:56 +0300 | [diff] [blame] | 3070 | priv->params.rss_hfunc = ETH_RSS_HASH_XOR; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3071 | |
Achiad Shochat | 57afead | 2015-08-16 16:04:45 +0300 | [diff] [blame] | 3072 | netdev_rss_key_fill(priv->params.toeplitz_hash_key, |
| 3073 | sizeof(priv->params.toeplitz_hash_key)); |
| 3074 | |
Tariq Toukan | d8c9660 | 2016-04-20 22:02:11 +0300 | [diff] [blame] | 3075 | mlx5e_build_default_indir_rqt(mdev, priv->params.indirection_rqt, |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3076 | MLX5E_INDIR_RQT_SIZE, profile->max_nch(mdev)); |
Achiad Shochat | 2d75b2b | 2015-08-16 16:04:47 +0300 | [diff] [blame] | 3077 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3078 | priv->params.lro_wqe_sz = |
| 3079 | MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; |
| 3080 | |
Tariq Toukan | 9908aa2 | 2016-06-23 17:02:40 +0300 | [diff] [blame] | 3081 | /* Initialize pflags */ |
| 3082 | MLX5E_SET_PRIV_FLAG(priv, MLX5E_PFLAG_RX_CQE_BASED_MODER, |
| 3083 | priv->params.rx_cq_period_mode == MLX5_CQ_PERIOD_MODE_START_FROM_CQE); |
| 3084 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3085 | priv->mdev = mdev; |
| 3086 | priv->netdev = netdev; |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3087 | priv->params.num_channels = profile->max_nch(mdev); |
| 3088 | priv->profile = profile; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3089 | priv->ppriv = ppriv; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3090 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3091 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 3092 | mlx5e_ets_init(priv); |
| 3093 | #endif |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3094 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3095 | mutex_init(&priv->state_lock); |
| 3096 | |
| 3097 | INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); |
| 3098 | INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); |
Daniel Jurgens | 3947ca1 | 2016-06-30 17:34:45 +0300 | [diff] [blame] | 3099 | INIT_WORK(&priv->tx_timeout_work, mlx5e_tx_timeout_work); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3100 | INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work); |
| 3101 | } |
| 3102 | |
| 3103 | static void mlx5e_set_netdev_dev_addr(struct net_device *netdev) |
| 3104 | { |
| 3105 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 3106 | |
Saeed Mahameed | e1d7d34 | 2015-12-01 18:03:11 +0200 | [diff] [blame] | 3107 | mlx5_query_nic_vport_mac_address(priv->mdev, 0, netdev->dev_addr); |
Saeed Mahameed | 108805f | 2015-12-10 17:12:38 +0200 | [diff] [blame] | 3108 | if (is_zero_ether_addr(netdev->dev_addr) && |
| 3109 | !MLX5_CAP_GEN(priv->mdev, vport_group_manager)) { |
| 3110 | eth_hw_addr_random(netdev); |
| 3111 | mlx5_core_info(priv->mdev, "Assigned random MAC address %pM\n", netdev->dev_addr); |
| 3112 | } |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3113 | } |
| 3114 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 3115 | static const struct switchdev_ops mlx5e_switchdev_ops = { |
| 3116 | .switchdev_port_attr_get = mlx5e_attr_get, |
| 3117 | }; |
| 3118 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3119 | static void mlx5e_build_nic_netdev(struct net_device *netdev) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3120 | { |
| 3121 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 3122 | struct mlx5_core_dev *mdev = priv->mdev; |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 3123 | bool fcs_supported; |
| 3124 | bool fcs_enabled; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3125 | |
| 3126 | SET_NETDEV_DEV(netdev, &mdev->pdev->dev); |
| 3127 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3128 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 3129 | netdev->netdev_ops = &mlx5e_netdev_ops_sriov; |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3130 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 3131 | netdev->dcbnl_ops = &mlx5e_dcbnl_ops; |
| 3132 | #endif |
| 3133 | } else { |
Saeed Mahameed | b0eed40 | 2016-02-09 14:57:44 +0200 | [diff] [blame] | 3134 | netdev->netdev_ops = &mlx5e_netdev_ops_basic; |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3135 | } |
Saeed Mahameed | 66e49de | 2015-12-01 18:03:25 +0200 | [diff] [blame] | 3136 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3137 | netdev->watchdog_timeo = 15 * HZ; |
| 3138 | |
| 3139 | netdev->ethtool_ops = &mlx5e_ethtool_ops; |
| 3140 | |
Saeed Mahameed | 12be4b2 | 2015-06-11 14:47:31 +0300 | [diff] [blame] | 3141 | netdev->vlan_features |= NETIF_F_SG; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3142 | netdev->vlan_features |= NETIF_F_IP_CSUM; |
| 3143 | netdev->vlan_features |= NETIF_F_IPV6_CSUM; |
| 3144 | netdev->vlan_features |= NETIF_F_GRO; |
| 3145 | netdev->vlan_features |= NETIF_F_TSO; |
| 3146 | netdev->vlan_features |= NETIF_F_TSO6; |
| 3147 | netdev->vlan_features |= NETIF_F_RXCSUM; |
| 3148 | netdev->vlan_features |= NETIF_F_RXHASH; |
| 3149 | |
| 3150 | if (!!MLX5_CAP_ETH(mdev, lro_cap)) |
| 3151 | netdev->vlan_features |= NETIF_F_LRO; |
| 3152 | |
| 3153 | netdev->hw_features = netdev->vlan_features; |
Achiad Shochat | e4cf27b | 2015-11-03 08:07:23 +0200 | [diff] [blame] | 3154 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_TX; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3155 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; |
| 3156 | netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; |
| 3157 | |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3158 | if (mlx5e_vxlan_allowed(mdev)) { |
Alexander Duyck | b49663c | 2016-05-02 09:38:43 -0700 | [diff] [blame] | 3159 | netdev->hw_features |= NETIF_F_GSO_UDP_TUNNEL | |
| 3160 | NETIF_F_GSO_UDP_TUNNEL_CSUM | |
| 3161 | NETIF_F_GSO_PARTIAL; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3162 | netdev->hw_enc_features |= NETIF_F_IP_CSUM; |
Alexander Duyck | f3ed653 | 2016-05-02 09:38:49 -0700 | [diff] [blame] | 3163 | netdev->hw_enc_features |= NETIF_F_IPV6_CSUM; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3164 | netdev->hw_enc_features |= NETIF_F_TSO; |
| 3165 | netdev->hw_enc_features |= NETIF_F_TSO6; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3166 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL; |
Alexander Duyck | b49663c | 2016-05-02 09:38:43 -0700 | [diff] [blame] | 3167 | netdev->hw_enc_features |= NETIF_F_GSO_UDP_TUNNEL_CSUM | |
| 3168 | NETIF_F_GSO_PARTIAL; |
| 3169 | netdev->gso_partial_features = NETIF_F_GSO_UDP_TUNNEL_CSUM; |
Matthew Finlay | b3f63c3 | 2016-02-22 18:17:32 +0200 | [diff] [blame] | 3170 | } |
| 3171 | |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 3172 | mlx5_query_port_fcs(mdev, &fcs_supported, &fcs_enabled); |
| 3173 | |
| 3174 | if (fcs_supported) |
| 3175 | netdev->hw_features |= NETIF_F_RXALL; |
| 3176 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3177 | netdev->features = netdev->hw_features; |
| 3178 | if (!priv->params.lro_en) |
| 3179 | netdev->features &= ~NETIF_F_LRO; |
| 3180 | |
Eran Ben Elisha | 94cb1eb | 2016-04-24 22:51:52 +0300 | [diff] [blame] | 3181 | if (fcs_enabled) |
| 3182 | netdev->features &= ~NETIF_F_RXALL; |
| 3183 | |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3184 | #define FT_CAP(f) MLX5_CAP_FLOWTABLE(mdev, flow_table_properties_nic_receive.f) |
| 3185 | if (FT_CAP(flow_modify_en) && |
| 3186 | FT_CAP(modify_root) && |
| 3187 | FT_CAP(identified_miss_table_mode) && |
Maor Gottlieb | 1cabe6b | 2016-04-29 01:36:40 +0300 | [diff] [blame] | 3188 | FT_CAP(flow_table_modify)) { |
| 3189 | netdev->hw_features |= NETIF_F_HW_TC; |
| 3190 | #ifdef CONFIG_RFS_ACCEL |
| 3191 | netdev->hw_features |= NETIF_F_NTUPLE; |
| 3192 | #endif |
| 3193 | } |
Amir Vadai | e8f887a | 2016-03-08 12:42:36 +0200 | [diff] [blame] | 3194 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3195 | netdev->features |= NETIF_F_HIGHDMA; |
| 3196 | |
| 3197 | netdev->priv_flags |= IFF_UNICAST_FLT; |
| 3198 | |
| 3199 | mlx5e_set_netdev_dev_addr(netdev); |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 3200 | |
| 3201 | #ifdef CONFIG_NET_SWITCHDEV |
| 3202 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) |
| 3203 | netdev->switchdev_ops = &mlx5e_switchdev_ops; |
| 3204 | #endif |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3205 | } |
| 3206 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3207 | static void mlx5e_create_q_counter(struct mlx5e_priv *priv) |
| 3208 | { |
| 3209 | struct mlx5_core_dev *mdev = priv->mdev; |
| 3210 | int err; |
| 3211 | |
| 3212 | err = mlx5_core_alloc_q_counter(mdev, &priv->q_counter); |
| 3213 | if (err) { |
| 3214 | mlx5_core_warn(mdev, "alloc queue counter failed, %d\n", err); |
| 3215 | priv->q_counter = 0; |
| 3216 | } |
| 3217 | } |
| 3218 | |
| 3219 | static void mlx5e_destroy_q_counter(struct mlx5e_priv *priv) |
| 3220 | { |
| 3221 | if (!priv->q_counter) |
| 3222 | return; |
| 3223 | |
| 3224 | mlx5_core_dealloc_q_counter(priv->mdev, priv->q_counter); |
| 3225 | } |
| 3226 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3227 | static int mlx5e_create_umr_mkey(struct mlx5e_priv *priv) |
| 3228 | { |
| 3229 | struct mlx5_core_dev *mdev = priv->mdev; |
Saeed Mahameed | ec22eb5 | 2016-07-16 06:28:36 +0300 | [diff] [blame] | 3230 | u64 npages = priv->profile->max_nch(mdev) * MLX5_CHANNEL_MAX_NUM_MTTS; |
| 3231 | int inlen = MLX5_ST_SZ_BYTES(create_mkey_in); |
| 3232 | void *mkc; |
| 3233 | u32 *in; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3234 | int err; |
| 3235 | |
| 3236 | in = mlx5_vzalloc(inlen); |
| 3237 | if (!in) |
| 3238 | return -ENOMEM; |
| 3239 | |
Saeed Mahameed | ec22eb5 | 2016-07-16 06:28:36 +0300 | [diff] [blame] | 3240 | mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3241 | |
Saeed Mahameed | ec22eb5 | 2016-07-16 06:28:36 +0300 | [diff] [blame] | 3242 | MLX5_SET(mkc, mkc, free, 1); |
| 3243 | MLX5_SET(mkc, mkc, umr_en, 1); |
| 3244 | MLX5_SET(mkc, mkc, lw, 1); |
| 3245 | MLX5_SET(mkc, mkc, lr, 1); |
| 3246 | MLX5_SET(mkc, mkc, access_mode, MLX5_MKC_ACCESS_MODE_MTT); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3247 | |
Saeed Mahameed | ec22eb5 | 2016-07-16 06:28:36 +0300 | [diff] [blame] | 3248 | MLX5_SET(mkc, mkc, qpn, 0xffffff); |
| 3249 | MLX5_SET(mkc, mkc, pd, mdev->mlx5e_res.pdn); |
| 3250 | MLX5_SET64(mkc, mkc, len, npages << PAGE_SHIFT); |
| 3251 | MLX5_SET(mkc, mkc, translations_octword_size, |
| 3252 | mlx5e_get_mtt_octw(npages)); |
| 3253 | MLX5_SET(mkc, mkc, log_page_size, PAGE_SHIFT); |
| 3254 | |
| 3255 | err = mlx5_core_create_mkey(mdev, &priv->umr_mkey, in, inlen); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3256 | |
| 3257 | kvfree(in); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3258 | return err; |
| 3259 | } |
| 3260 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3261 | static void mlx5e_nic_init(struct mlx5_core_dev *mdev, |
| 3262 | struct net_device *netdev, |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3263 | const struct mlx5e_profile *profile, |
| 3264 | void *ppriv) |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3265 | { |
| 3266 | struct mlx5e_priv *priv = netdev_priv(netdev); |
| 3267 | |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3268 | mlx5e_build_nic_netdev_priv(mdev, netdev, profile, ppriv); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3269 | mlx5e_build_nic_netdev(netdev); |
| 3270 | mlx5e_vxlan_init(priv); |
| 3271 | } |
| 3272 | |
| 3273 | static void mlx5e_nic_cleanup(struct mlx5e_priv *priv) |
| 3274 | { |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3275 | struct mlx5_core_dev *mdev = priv->mdev; |
| 3276 | struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| 3277 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3278 | mlx5e_vxlan_cleanup(priv); |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3279 | |
| 3280 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) |
| 3281 | mlx5_eswitch_unregister_vport_rep(esw, 0); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3282 | } |
| 3283 | |
| 3284 | static int mlx5e_init_nic_rx(struct mlx5e_priv *priv) |
| 3285 | { |
| 3286 | struct mlx5_core_dev *mdev = priv->mdev; |
| 3287 | int err; |
| 3288 | int i; |
| 3289 | |
| 3290 | err = mlx5e_create_indirect_rqts(priv); |
| 3291 | if (err) { |
| 3292 | mlx5_core_warn(mdev, "create indirect rqts failed, %d\n", err); |
| 3293 | return err; |
| 3294 | } |
| 3295 | |
| 3296 | err = mlx5e_create_direct_rqts(priv); |
| 3297 | if (err) { |
| 3298 | mlx5_core_warn(mdev, "create direct rqts failed, %d\n", err); |
| 3299 | goto err_destroy_indirect_rqts; |
| 3300 | } |
| 3301 | |
| 3302 | err = mlx5e_create_indirect_tirs(priv); |
| 3303 | if (err) { |
| 3304 | mlx5_core_warn(mdev, "create indirect tirs failed, %d\n", err); |
| 3305 | goto err_destroy_direct_rqts; |
| 3306 | } |
| 3307 | |
| 3308 | err = mlx5e_create_direct_tirs(priv); |
| 3309 | if (err) { |
| 3310 | mlx5_core_warn(mdev, "create direct tirs failed, %d\n", err); |
| 3311 | goto err_destroy_indirect_tirs; |
| 3312 | } |
| 3313 | |
| 3314 | err = mlx5e_create_flow_steering(priv); |
| 3315 | if (err) { |
| 3316 | mlx5_core_warn(mdev, "create flow steering failed, %d\n", err); |
| 3317 | goto err_destroy_direct_tirs; |
| 3318 | } |
| 3319 | |
| 3320 | err = mlx5e_tc_init(priv); |
| 3321 | if (err) |
| 3322 | goto err_destroy_flow_steering; |
| 3323 | |
| 3324 | return 0; |
| 3325 | |
| 3326 | err_destroy_flow_steering: |
| 3327 | mlx5e_destroy_flow_steering(priv); |
| 3328 | err_destroy_direct_tirs: |
| 3329 | mlx5e_destroy_direct_tirs(priv); |
| 3330 | err_destroy_indirect_tirs: |
| 3331 | mlx5e_destroy_indirect_tirs(priv); |
| 3332 | err_destroy_direct_rqts: |
| 3333 | for (i = 0; i < priv->profile->max_nch(mdev); i++) |
| 3334 | mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); |
| 3335 | err_destroy_indirect_rqts: |
| 3336 | mlx5e_destroy_rqt(priv, &priv->indir_rqt); |
| 3337 | return err; |
| 3338 | } |
| 3339 | |
| 3340 | static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv) |
| 3341 | { |
| 3342 | int i; |
| 3343 | |
| 3344 | mlx5e_tc_cleanup(priv); |
| 3345 | mlx5e_destroy_flow_steering(priv); |
| 3346 | mlx5e_destroy_direct_tirs(priv); |
| 3347 | mlx5e_destroy_indirect_tirs(priv); |
| 3348 | for (i = 0; i < priv->profile->max_nch(priv->mdev); i++) |
| 3349 | mlx5e_destroy_rqt(priv, &priv->direct_tir[i].rqt); |
| 3350 | mlx5e_destroy_rqt(priv, &priv->indir_rqt); |
| 3351 | } |
| 3352 | |
| 3353 | static int mlx5e_init_nic_tx(struct mlx5e_priv *priv) |
| 3354 | { |
| 3355 | int err; |
| 3356 | |
| 3357 | err = mlx5e_create_tises(priv); |
| 3358 | if (err) { |
| 3359 | mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err); |
| 3360 | return err; |
| 3361 | } |
| 3362 | |
| 3363 | #ifdef CONFIG_MLX5_CORE_EN_DCB |
| 3364 | mlx5e_dcbnl_ieee_setets_core(priv, &priv->params.ets); |
| 3365 | #endif |
| 3366 | return 0; |
| 3367 | } |
| 3368 | |
| 3369 | static void mlx5e_nic_enable(struct mlx5e_priv *priv) |
| 3370 | { |
| 3371 | struct net_device *netdev = priv->netdev; |
| 3372 | struct mlx5_core_dev *mdev = priv->mdev; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3373 | struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| 3374 | struct mlx5_eswitch_rep rep; |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3375 | |
Aviv Heller | 7907f23 | 2016-04-17 16:57:32 +0300 | [diff] [blame] | 3376 | mlx5_lag_add(mdev, netdev); |
| 3377 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3378 | if (mlx5e_vxlan_allowed(mdev)) { |
| 3379 | rtnl_lock(); |
| 3380 | udp_tunnel_get_rx_info(netdev); |
| 3381 | rtnl_unlock(); |
| 3382 | } |
| 3383 | |
| 3384 | mlx5e_enable_async_events(priv); |
| 3385 | queue_work(priv->wq, &priv->set_rx_mode_work); |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3386 | |
| 3387 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) { |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 3388 | rep.load = mlx5e_nic_rep_load; |
| 3389 | rep.unload = mlx5e_nic_rep_unload; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3390 | rep.vport = 0; |
| 3391 | rep.priv_data = priv; |
| 3392 | mlx5_eswitch_register_vport_rep(esw, &rep); |
| 3393 | } |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3394 | } |
| 3395 | |
| 3396 | static void mlx5e_nic_disable(struct mlx5e_priv *priv) |
| 3397 | { |
| 3398 | queue_work(priv->wq, &priv->set_rx_mode_work); |
| 3399 | mlx5e_disable_async_events(priv); |
Aviv Heller | 7907f23 | 2016-04-17 16:57:32 +0300 | [diff] [blame] | 3400 | mlx5_lag_remove(priv->mdev); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3401 | } |
| 3402 | |
| 3403 | static const struct mlx5e_profile mlx5e_nic_profile = { |
| 3404 | .init = mlx5e_nic_init, |
| 3405 | .cleanup = mlx5e_nic_cleanup, |
| 3406 | .init_rx = mlx5e_init_nic_rx, |
| 3407 | .cleanup_rx = mlx5e_cleanup_nic_rx, |
| 3408 | .init_tx = mlx5e_init_nic_tx, |
| 3409 | .cleanup_tx = mlx5e_cleanup_nic_tx, |
| 3410 | .enable = mlx5e_nic_enable, |
| 3411 | .disable = mlx5e_nic_disable, |
| 3412 | .update_stats = mlx5e_update_stats, |
| 3413 | .max_nch = mlx5e_get_max_num_channels, |
| 3414 | .max_tc = MLX5E_MAX_NUM_TC, |
| 3415 | }; |
| 3416 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 3417 | void *mlx5e_create_netdev(struct mlx5_core_dev *mdev, |
| 3418 | const struct mlx5e_profile *profile, void *ppriv) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3419 | { |
| 3420 | struct net_device *netdev; |
| 3421 | struct mlx5e_priv *priv; |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3422 | int nch = profile->max_nch(mdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3423 | int err; |
| 3424 | |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3425 | netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv), |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3426 | nch * profile->max_tc, |
Saeed Mahameed | 08fb1da | 2016-02-22 18:17:26 +0200 | [diff] [blame] | 3427 | nch); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3428 | if (!netdev) { |
| 3429 | mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n"); |
| 3430 | return NULL; |
| 3431 | } |
| 3432 | |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3433 | profile->init(mdev, netdev, profile, ppriv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3434 | |
| 3435 | netif_carrier_off(netdev); |
| 3436 | |
| 3437 | priv = netdev_priv(netdev); |
| 3438 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3439 | priv->wq = create_singlethread_workqueue("mlx5e"); |
| 3440 | if (!priv->wq) |
| 3441 | goto err_free_netdev; |
| 3442 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3443 | err = mlx5e_create_umr_mkey(priv); |
| 3444 | if (err) { |
| 3445 | mlx5_core_err(mdev, "create umr mkey failed, %d\n", err); |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3446 | goto err_destroy_wq; |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3447 | } |
| 3448 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3449 | err = profile->init_tx(priv); |
| 3450 | if (err) |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3451 | goto err_destroy_umr_mkey; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3452 | |
| 3453 | err = mlx5e_open_drop_rq(priv); |
| 3454 | if (err) { |
| 3455 | mlx5_core_err(mdev, "open drop rq failed, %d\n", err); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3456 | goto err_cleanup_tx; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3457 | } |
| 3458 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3459 | err = profile->init_rx(priv); |
| 3460 | if (err) |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3461 | goto err_close_drop_rq; |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3462 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3463 | mlx5e_create_q_counter(priv); |
| 3464 | |
Maor Gottlieb | 33cfaaa | 2016-04-29 01:36:38 +0300 | [diff] [blame] | 3465 | mlx5e_init_l2_addr(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3466 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3467 | err = register_netdev(netdev); |
| 3468 | if (err) { |
Achiad Shochat | 1f2a300 | 2015-07-29 15:05:44 +0300 | [diff] [blame] | 3469 | mlx5_core_err(mdev, "register_netdev failed, %d\n", err); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3470 | goto err_dealloc_q_counters; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3471 | } |
| 3472 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3473 | if (profile->enable) |
| 3474 | profile->enable(priv); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3475 | |
| 3476 | return priv; |
| 3477 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3478 | err_dealloc_q_counters: |
| 3479 | mlx5e_destroy_q_counter(priv); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3480 | profile->cleanup_rx(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3481 | |
| 3482 | err_close_drop_rq: |
| 3483 | mlx5e_close_drop_rq(priv); |
| 3484 | |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3485 | err_cleanup_tx: |
| 3486 | profile->cleanup_tx(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3487 | |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3488 | err_destroy_umr_mkey: |
| 3489 | mlx5_core_destroy_mkey(mdev, &priv->umr_mkey); |
| 3490 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3491 | err_destroy_wq: |
| 3492 | destroy_workqueue(priv->wq); |
| 3493 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3494 | err_free_netdev: |
| 3495 | free_netdev(netdev); |
| 3496 | |
| 3497 | return NULL; |
| 3498 | } |
| 3499 | |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3500 | static void mlx5e_register_vport_rep(struct mlx5_core_dev *mdev) |
| 3501 | { |
| 3502 | struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| 3503 | int total_vfs = MLX5_TOTAL_VPORTS(mdev); |
| 3504 | int vport; |
| 3505 | |
| 3506 | if (!MLX5_CAP_GEN(mdev, vport_group_manager)) |
| 3507 | return; |
| 3508 | |
| 3509 | for (vport = 1; vport < total_vfs; vport++) { |
| 3510 | struct mlx5_eswitch_rep rep; |
| 3511 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 3512 | rep.load = mlx5e_vport_rep_load; |
| 3513 | rep.unload = mlx5e_vport_rep_unload; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3514 | rep.vport = vport; |
| 3515 | mlx5_eswitch_register_vport_rep(esw, &rep); |
| 3516 | } |
| 3517 | } |
| 3518 | |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3519 | static void *mlx5e_add(struct mlx5_core_dev *mdev) |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3520 | { |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3521 | struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| 3522 | void *ppriv = NULL; |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3523 | void *ret; |
| 3524 | |
| 3525 | if (mlx5e_check_required_hca_cap(mdev)) |
| 3526 | return NULL; |
| 3527 | |
| 3528 | if (mlx5e_create_mdev_resources(mdev)) |
| 3529 | return NULL; |
| 3530 | |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3531 | mlx5e_register_vport_rep(mdev); |
| 3532 | |
| 3533 | if (MLX5_CAP_GEN(mdev, vport_group_manager)) |
| 3534 | ppriv = &esw->offloads.vport_reps[0]; |
| 3535 | |
| 3536 | ret = mlx5e_create_netdev(mdev, &mlx5e_nic_profile, ppriv); |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3537 | if (!ret) { |
| 3538 | mlx5e_destroy_mdev_resources(mdev); |
| 3539 | return NULL; |
| 3540 | } |
| 3541 | return ret; |
| 3542 | } |
| 3543 | |
Hadar Hen Zion | cb67b83 | 2016-07-01 14:51:09 +0300 | [diff] [blame] | 3544 | void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, struct mlx5e_priv *priv) |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3545 | { |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3546 | const struct mlx5e_profile *profile = priv->profile; |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3547 | struct net_device *netdev = priv->netdev; |
| 3548 | |
Achiad Shochat | 9b37b07 | 2015-08-04 14:05:46 +0300 | [diff] [blame] | 3549 | set_bit(MLX5E_STATE_DESTROYING, &priv->state); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3550 | if (profile->disable) |
| 3551 | profile->disable(priv); |
Achiad Shochat | 9b37b07 | 2015-08-04 14:05:46 +0300 | [diff] [blame] | 3552 | |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3553 | flush_workqueue(priv->wq); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 3554 | if (test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) { |
| 3555 | netif_device_detach(netdev); |
Eran Ben Elisha | 811afea | 2016-06-10 00:07:39 +0300 | [diff] [blame] | 3556 | mlx5e_close(netdev); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 3557 | } else { |
| 3558 | unregister_netdev(netdev); |
| 3559 | } |
| 3560 | |
Rana Shahout | 593cf33 | 2016-04-20 22:02:10 +0300 | [diff] [blame] | 3561 | mlx5e_destroy_q_counter(priv); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3562 | profile->cleanup_rx(priv); |
Achiad Shochat | 5c50368 | 2015-08-04 14:05:43 +0300 | [diff] [blame] | 3563 | mlx5e_close_drop_rq(priv); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3564 | profile->cleanup_tx(priv); |
Tariq Toukan | bc77b24 | 2016-04-20 22:02:15 +0300 | [diff] [blame] | 3565 | mlx5_core_destroy_mkey(priv->mdev, &priv->umr_mkey); |
Matthew Finlay | 7bb2975 | 2016-05-01 22:59:56 +0300 | [diff] [blame] | 3566 | cancel_delayed_work_sync(&priv->update_stats_work); |
| 3567 | destroy_workqueue(priv->wq); |
Hadar Hen Zion | 6bfd390 | 2016-07-01 14:51:07 +0300 | [diff] [blame] | 3568 | if (profile->cleanup) |
| 3569 | profile->cleanup(priv); |
Majd Dibbiny | 5fc7197 | 2016-04-22 00:33:07 +0300 | [diff] [blame] | 3570 | |
| 3571 | if (!test_bit(MLX5_INTERFACE_STATE_SHUTDOWN, &mdev->intf_state)) |
| 3572 | free_netdev(netdev); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3573 | } |
| 3574 | |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3575 | static void mlx5e_remove(struct mlx5_core_dev *mdev, void *vpriv) |
| 3576 | { |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3577 | struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| 3578 | int total_vfs = MLX5_TOTAL_VPORTS(mdev); |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3579 | struct mlx5e_priv *priv = vpriv; |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3580 | int vport; |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3581 | |
| 3582 | mlx5e_destroy_netdev(mdev, priv); |
Hadar Hen Zion | 127ea38 | 2016-07-01 14:51:08 +0300 | [diff] [blame] | 3583 | |
| 3584 | for (vport = 1; vport < total_vfs; vport++) |
| 3585 | mlx5_eswitch_unregister_vport_rep(esw, vport); |
| 3586 | |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3587 | mlx5e_destroy_mdev_resources(mdev); |
| 3588 | } |
| 3589 | |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3590 | static void *mlx5e_get_netdev(void *vpriv) |
| 3591 | { |
| 3592 | struct mlx5e_priv *priv = vpriv; |
| 3593 | |
| 3594 | return priv->netdev; |
| 3595 | } |
| 3596 | |
| 3597 | static struct mlx5_interface mlx5e_interface = { |
Hadar Hen Zion | b50d292 | 2016-07-01 14:51:04 +0300 | [diff] [blame] | 3598 | .add = mlx5e_add, |
| 3599 | .remove = mlx5e_remove, |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3600 | .event = mlx5e_async_event, |
| 3601 | .protocol = MLX5_INTERFACE_PROTOCOL_ETH, |
| 3602 | .get_dev = mlx5e_get_netdev, |
| 3603 | }; |
| 3604 | |
| 3605 | void mlx5e_init(void) |
| 3606 | { |
Gal Pressman | 665bc53 | 2016-06-23 17:02:45 +0300 | [diff] [blame] | 3607 | mlx5e_build_ptys2ethtool_map(); |
Amir Vadai | f62b8bb8 | 2015-05-28 22:28:48 +0300 | [diff] [blame] | 3608 | mlx5_register_interface(&mlx5e_interface); |
| 3609 | } |
| 3610 | |
| 3611 | void mlx5e_cleanup(void) |
| 3612 | { |
| 3613 | mlx5_unregister_interface(&mlx5e_interface); |
| 3614 | } |