1de8650a8SEran Ben Elisha /* SPDX-License-Identifier: GPL-2.0 */ 2de8650a8SEran Ben Elisha /* Copyright (c) 2019 Mellanox Technologies. */ 3de8650a8SEran Ben Elisha 44edc17fdSAya Levin #include "health.h" 5de8650a8SEran Ben Elisha 6de8650a8SEran Ben Elisha static int mlx5e_wait_for_sq_flush(struct mlx5e_txqsq *sq) 7de8650a8SEran Ben Elisha { 8e74e28aeSAya Levin unsigned long exp_time = jiffies + 9e74e28aeSAya Levin msecs_to_jiffies(MLX5E_REPORTER_FLUSH_TIMEOUT_MSEC); 10de8650a8SEran Ben Elisha 11de8650a8SEran Ben Elisha while (time_before(jiffies, exp_time)) { 12de8650a8SEran Ben Elisha if (sq->cc == sq->pc) 13de8650a8SEran Ben Elisha return 0; 14de8650a8SEran Ben Elisha 15de8650a8SEran Ben Elisha msleep(20); 16de8650a8SEran Ben Elisha } 17de8650a8SEran Ben Elisha 18de8650a8SEran Ben Elisha netdev_err(sq->channel->netdev, 19de8650a8SEran Ben Elisha "Wait for SQ 0x%x flush timeout (sq cc = 0x%x, sq pc = 0x%x)\n", 20de8650a8SEran Ben Elisha sq->sqn, sq->cc, sq->pc); 21de8650a8SEran Ben Elisha 22de8650a8SEran Ben Elisha return -ETIMEDOUT; 23de8650a8SEran Ben Elisha } 24de8650a8SEran Ben Elisha 25de8650a8SEran Ben Elisha static void mlx5e_reset_txqsq_cc_pc(struct mlx5e_txqsq *sq) 26de8650a8SEran Ben Elisha { 27de8650a8SEran Ben Elisha WARN_ONCE(sq->cc != sq->pc, 28de8650a8SEran Ben Elisha "SQ 0x%x: cc (0x%x) != pc (0x%x)\n", 29de8650a8SEran Ben Elisha sq->sqn, sq->cc, sq->pc); 30de8650a8SEran Ben Elisha sq->cc = 0; 31de8650a8SEran Ben Elisha sq->dma_fifo_cc = 0; 32de8650a8SEran Ben Elisha sq->pc = 0; 33de8650a8SEran Ben Elisha } 34de8650a8SEran Ben Elisha 35c50de4afSAya Levin static int mlx5e_tx_reporter_err_cqe_recover(void *ctx) 36de8650a8SEran Ben Elisha { 37c50de4afSAya Levin struct mlx5_core_dev *mdev; 38c50de4afSAya Levin struct net_device *dev; 39c50de4afSAya Levin struct mlx5e_txqsq *sq; 40de8650a8SEran Ben Elisha u8 state; 41de8650a8SEran Ben Elisha int err; 42de8650a8SEran Ben Elisha 43c50de4afSAya Levin sq = ctx; 44c50de4afSAya Levin mdev = sq->channel->mdev; 45c50de4afSAya Levin dev = sq->channel->netdev; 46c50de4afSAya Levin 47c50de4afSAya Levin if (!test_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state)) 48c50de4afSAya Levin return 0; 49c50de4afSAya Levin 50de8650a8SEran Ben Elisha err = mlx5_core_query_sq_state(mdev, sq->sqn, &state); 51de8650a8SEran Ben Elisha if (err) { 52de8650a8SEran Ben Elisha netdev_err(dev, "Failed to query SQ 0x%x state. err = %d\n", 53de8650a8SEran Ben Elisha sq->sqn, err); 54276d197eSAya Levin goto out; 55de8650a8SEran Ben Elisha } 56de8650a8SEran Ben Elisha 57d9a2fcf5SAya Levin if (state != MLX5_SQC_STATE_ERR) 58276d197eSAya Levin goto out; 59de8650a8SEran Ben Elisha 60de8650a8SEran Ben Elisha mlx5e_tx_disable_queue(sq->txq); 61de8650a8SEran Ben Elisha 62de8650a8SEran Ben Elisha err = mlx5e_wait_for_sq_flush(sq); 63de8650a8SEran Ben Elisha if (err) 64276d197eSAya Levin goto out; 65de8650a8SEran Ben Elisha 66de8650a8SEran Ben Elisha /* At this point, no new packets will arrive from the stack as TXQ is 67de8650a8SEran Ben Elisha * marked with QUEUE_STATE_DRV_XOFF. In addition, NAPI cleared all 68de8650a8SEran Ben Elisha * pending WQEs. SQ can safely reset the SQ. 69de8650a8SEran Ben Elisha */ 70de8650a8SEran Ben Elisha 71c50de4afSAya Levin err = mlx5e_health_sq_to_ready(sq->channel, sq->sqn); 72de8650a8SEran Ben Elisha if (err) 73276d197eSAya Levin goto out; 74de8650a8SEran Ben Elisha 75de8650a8SEran Ben Elisha mlx5e_reset_txqsq_cc_pc(sq); 76de8650a8SEran Ben Elisha sq->stats->recover++; 77276d197eSAya Levin clear_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state); 78de8650a8SEran Ben Elisha mlx5e_activate_txqsq(sq); 79de8650a8SEran Ben Elisha 80de8650a8SEran Ben Elisha return 0; 81276d197eSAya Levin out: 82276d197eSAya Levin clear_bit(MLX5E_SQ_STATE_RECOVERING, &sq->state); 83276d197eSAya Levin return err; 84de8650a8SEran Ben Elisha } 85de8650a8SEran Ben Elisha 86c50de4afSAya Levin static int mlx5e_tx_reporter_timeout_recover(void *ctx) 877d91126bSEran Ben Elisha { 88c50de4afSAya Levin struct mlx5_eq_comp *eq; 89c50de4afSAya Levin struct mlx5e_txqsq *sq; 90c50de4afSAya Levin int err; 917d91126bSEran Ben Elisha 92c50de4afSAya Levin sq = ctx; 93c50de4afSAya Levin eq = sq->cq.mcq.eq; 94c50de4afSAya Levin err = mlx5e_health_channel_eq_recover(eq, sq->channel); 95c50de4afSAya Levin if (err) 967d91126bSEran Ben Elisha clear_bit(MLX5E_SQ_STATE_ENABLED, &sq->state); 977d91126bSEran Ben Elisha 98c50de4afSAya Levin return err; 997d91126bSEran Ben Elisha } 1007d91126bSEran Ben Elisha 101de8650a8SEran Ben Elisha /* state lock cannot be grabbed within this function. 102de8650a8SEran Ben Elisha * It can cause a dead lock or a read-after-free. 103de8650a8SEran Ben Elisha */ 104c50de4afSAya Levin static int mlx5e_tx_reporter_recover_from_ctx(struct mlx5e_err_ctx *err_ctx) 105de8650a8SEran Ben Elisha { 106c50de4afSAya Levin return err_ctx->recover(err_ctx->ctx); 107de8650a8SEran Ben Elisha } 108de8650a8SEran Ben Elisha 109de8650a8SEran Ben Elisha static int mlx5e_tx_reporter_recover(struct devlink_health_reporter *reporter, 110e7a98105SJiri Pirko void *context, 111e7a98105SJiri Pirko struct netlink_ext_ack *extack) 112de8650a8SEran Ben Elisha { 113de8650a8SEran Ben Elisha struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 114c50de4afSAya Levin struct mlx5e_err_ctx *err_ctx = context; 115de8650a8SEran Ben Elisha 116de8650a8SEran Ben Elisha return err_ctx ? mlx5e_tx_reporter_recover_from_ctx(err_ctx) : 117c50de4afSAya Levin mlx5e_health_recover_channels(priv); 118de8650a8SEran Ben Elisha } 119de8650a8SEran Ben Elisha 120de8650a8SEran Ben Elisha static int 121de8650a8SEran Ben Elisha mlx5e_tx_reporter_build_diagnose_output(struct devlink_fmsg *fmsg, 1222d708887SAya Levin struct mlx5e_txqsq *sq, int tc) 123de8650a8SEran Ben Elisha { 124dd921fd2SAya Levin struct mlx5e_priv *priv = sq->channel->priv; 125dd921fd2SAya Levin bool stopped = netif_xmit_stopped(sq->txq); 126dd921fd2SAya Levin u8 state; 127de8650a8SEran Ben Elisha int err; 128de8650a8SEran Ben Elisha 129dd921fd2SAya Levin err = mlx5_core_query_sq_state(priv->mdev, sq->sqn, &state); 130dd921fd2SAya Levin if (err) 131dd921fd2SAya Levin return err; 132dd921fd2SAya Levin 133de8650a8SEran Ben Elisha err = devlink_fmsg_obj_nest_start(fmsg); 134de8650a8SEran Ben Elisha if (err) 135de8650a8SEran Ben Elisha return err; 136de8650a8SEran Ben Elisha 1372d708887SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", sq->ch_ix); 1382d708887SAya Levin if (err) 1392d708887SAya Levin return err; 1402d708887SAya Levin 1412d708887SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "tc", tc); 1422d708887SAya Levin if (err) 1432d708887SAya Levin return err; 1442d708887SAya Levin 1452d708887SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "txq ix", sq->txq_ix); 1462d708887SAya Levin if (err) 1472d708887SAya Levin return err; 1482d708887SAya Levin 149dd921fd2SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "sqn", sq->sqn); 150de8650a8SEran Ben Elisha if (err) 151de8650a8SEran Ben Elisha return err; 152de8650a8SEran Ben Elisha 153de8650a8SEran Ben Elisha err = devlink_fmsg_u8_pair_put(fmsg, "HW state", state); 154de8650a8SEran Ben Elisha if (err) 155de8650a8SEran Ben Elisha return err; 156de8650a8SEran Ben Elisha 157de8650a8SEran Ben Elisha err = devlink_fmsg_bool_pair_put(fmsg, "stopped", stopped); 158de8650a8SEran Ben Elisha if (err) 159de8650a8SEran Ben Elisha return err; 160de8650a8SEran Ben Elisha 1612d708887SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "cc", sq->cc); 1622d708887SAya Levin if (err) 1632d708887SAya Levin return err; 1642d708887SAya Levin 1652d708887SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "pc", sq->pc); 1662d708887SAya Levin if (err) 1672d708887SAya Levin return err; 1682d708887SAya Levin 169d5cbedd7SAya Levin err = mlx5e_health_cq_diag_fmsg(&sq->cq, fmsg); 1702bf09e60SAya Levin if (err) 1712bf09e60SAya Levin return err; 1722bf09e60SAya Levin 17356837c2aSAya Levin err = mlx5e_health_eq_diag_fmsg(sq->cq.mcq.eq, fmsg); 17456837c2aSAya Levin if (err) 17556837c2aSAya Levin return err; 17656837c2aSAya Levin 177de8650a8SEran Ben Elisha err = devlink_fmsg_obj_nest_end(fmsg); 178de8650a8SEran Ben Elisha if (err) 179de8650a8SEran Ben Elisha return err; 180de8650a8SEran Ben Elisha 181de8650a8SEran Ben Elisha return 0; 182de8650a8SEran Ben Elisha } 183de8650a8SEran Ben Elisha 184de8650a8SEran Ben Elisha static int mlx5e_tx_reporter_diagnose(struct devlink_health_reporter *reporter, 185e7a98105SJiri Pirko struct devlink_fmsg *fmsg, 186e7a98105SJiri Pirko struct netlink_ext_ack *extack) 187de8650a8SEran Ben Elisha { 188de8650a8SEran Ben Elisha struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 1892d708887SAya Levin struct mlx5e_txqsq *generic_sq = priv->txq2sq[0]; 1902d708887SAya Levin u32 sq_stride, sq_sz; 1912d708887SAya Levin 1922d708887SAya Levin int i, tc, err = 0; 193de8650a8SEran Ben Elisha 194de8650a8SEran Ben Elisha mutex_lock(&priv->state_lock); 195de8650a8SEran Ben Elisha 196de8650a8SEran Ben Elisha if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 197de8650a8SEran Ben Elisha goto unlock; 198de8650a8SEran Ben Elisha 1992d708887SAya Levin sq_sz = mlx5_wq_cyc_get_size(&generic_sq->wq); 2002d708887SAya Levin sq_stride = MLX5_SEND_WQE_BB; 2012d708887SAya Levin 202d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "Common Config"); 2032d708887SAya Levin if (err) 2042d708887SAya Levin goto unlock; 2052d708887SAya Levin 206d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SQ"); 2072d708887SAya Levin if (err) 2082d708887SAya Levin goto unlock; 2092d708887SAya Levin 2102d708887SAya Levin err = devlink_fmsg_u64_pair_put(fmsg, "stride size", sq_stride); 2112d708887SAya Levin if (err) 2122d708887SAya Levin goto unlock; 2132d708887SAya Levin 2142d708887SAya Levin err = devlink_fmsg_u32_pair_put(fmsg, "size", sq_sz); 2152d708887SAya Levin if (err) 2162d708887SAya Levin goto unlock; 2172d708887SAya Levin 218d5cbedd7SAya Levin err = mlx5e_health_cq_common_diag_fmsg(&generic_sq->cq, fmsg); 2192bf09e60SAya Levin if (err) 2202bf09e60SAya Levin goto unlock; 2212bf09e60SAya Levin 222d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 2232d708887SAya Levin if (err) 2242d708887SAya Levin goto unlock; 2252d708887SAya Levin 226d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 2272d708887SAya Levin if (err) 2282d708887SAya Levin goto unlock; 2292d708887SAya Levin 230de8650a8SEran Ben Elisha err = devlink_fmsg_arr_pair_nest_start(fmsg, "SQs"); 231de8650a8SEran Ben Elisha if (err) 232de8650a8SEran Ben Elisha goto unlock; 233de8650a8SEran Ben Elisha 2342d708887SAya Levin for (i = 0; i < priv->channels.num; i++) { 2352d708887SAya Levin struct mlx5e_channel *c = priv->channels.c[i]; 236de8650a8SEran Ben Elisha 2372d708887SAya Levin for (tc = 0; tc < priv->channels.params.num_tc; tc++) { 2382d708887SAya Levin struct mlx5e_txqsq *sq = &c->sq[tc]; 2392d708887SAya Levin 2402d708887SAya Levin err = mlx5e_tx_reporter_build_diagnose_output(fmsg, sq, tc); 241de8650a8SEran Ben Elisha if (err) 24299d31cbdSAya Levin goto unlock; 243de8650a8SEran Ben Elisha } 2442d708887SAya Levin } 245de8650a8SEran Ben Elisha err = devlink_fmsg_arr_pair_nest_end(fmsg); 246de8650a8SEran Ben Elisha if (err) 247de8650a8SEran Ben Elisha goto unlock; 248de8650a8SEran Ben Elisha 249de8650a8SEran Ben Elisha unlock: 250de8650a8SEran Ben Elisha mutex_unlock(&priv->state_lock); 251de8650a8SEran Ben Elisha return err; 252de8650a8SEran Ben Elisha } 253de8650a8SEran Ben Elisha 2545f29458bSAya Levin static int mlx5e_tx_reporter_dump_sq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg, 2555f29458bSAya Levin void *ctx) 2565f29458bSAya Levin { 2575f29458bSAya Levin struct mlx5_rsc_key key = {}; 2585f29458bSAya Levin struct mlx5e_txqsq *sq = ctx; 2595f29458bSAya Levin int err; 2605f29458bSAya Levin 2615f29458bSAya Levin if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 2625f29458bSAya Levin return 0; 2635f29458bSAya Levin 264d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SX Slice"); 2655f29458bSAya Levin if (err) 2665f29458bSAya Levin return err; 2675f29458bSAya Levin 2685f29458bSAya Levin key.size = PAGE_SIZE; 2695f29458bSAya Levin key.rsc = MLX5_SGMT_TYPE_SX_SLICE_ALL; 2705f29458bSAya Levin err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 2715f29458bSAya Levin if (err) 2725f29458bSAya Levin return err; 2735f29458bSAya Levin 274d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 2755f29458bSAya Levin if (err) 2765f29458bSAya Levin return err; 2775f29458bSAya Levin 278d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SQ"); 2795f29458bSAya Levin if (err) 2805f29458bSAya Levin return err; 2815f29458bSAya Levin 282d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC"); 2835f29458bSAya Levin if (err) 2845f29458bSAya Levin return err; 2855f29458bSAya Levin 2865f29458bSAya Levin key.rsc = MLX5_SGMT_TYPE_FULL_QPC; 2875f29458bSAya Levin key.index1 = sq->sqn; 2885f29458bSAya Levin key.num_of_obj1 = 1; 2895f29458bSAya Levin 2905f29458bSAya Levin err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 2915f29458bSAya Levin if (err) 2925f29458bSAya Levin return err; 2935f29458bSAya Levin 294d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 2955f29458bSAya Levin if (err) 2965f29458bSAya Levin return err; 2975f29458bSAya Levin 298d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "send_buff"); 2995f29458bSAya Levin if (err) 3005f29458bSAya Levin return err; 3015f29458bSAya Levin 3025f29458bSAya Levin key.rsc = MLX5_SGMT_TYPE_SND_BUFF; 3035f29458bSAya Levin key.num_of_obj2 = MLX5_RSC_DUMP_ALL; 3045f29458bSAya Levin err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 3055f29458bSAya Levin if (err) 3065f29458bSAya Levin return err; 3075f29458bSAya Levin 308d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 3095f29458bSAya Levin if (err) 3105f29458bSAya Levin return err; 3115f29458bSAya Levin 312d5cbedd7SAya Levin return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 3135f29458bSAya Levin } 3145f29458bSAya Levin 3155f29458bSAya Levin static int mlx5e_tx_reporter_dump_all_sqs(struct mlx5e_priv *priv, 3165f29458bSAya Levin struct devlink_fmsg *fmsg) 3175f29458bSAya Levin { 3185f29458bSAya Levin struct mlx5_rsc_key key = {}; 3195f29458bSAya Levin int i, tc, err; 3205f29458bSAya Levin 3215f29458bSAya Levin if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 3225f29458bSAya Levin return 0; 3235f29458bSAya Levin 324d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SX Slice"); 3255f29458bSAya Levin if (err) 3265f29458bSAya Levin return err; 3275f29458bSAya Levin 3285f29458bSAya Levin key.size = PAGE_SIZE; 3295f29458bSAya Levin key.rsc = MLX5_SGMT_TYPE_SX_SLICE_ALL; 3305f29458bSAya Levin err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 3315f29458bSAya Levin if (err) 3325f29458bSAya Levin return err; 3335f29458bSAya Levin 334d5cbedd7SAya Levin err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 3355f29458bSAya Levin if (err) 3365f29458bSAya Levin return err; 3375f29458bSAya Levin 3385f29458bSAya Levin err = devlink_fmsg_arr_pair_nest_start(fmsg, "SQs"); 3395f29458bSAya Levin if (err) 3405f29458bSAya Levin return err; 3415f29458bSAya Levin 3425f29458bSAya Levin for (i = 0; i < priv->channels.num; i++) { 3435f29458bSAya Levin struct mlx5e_channel *c = priv->channels.c[i]; 3445f29458bSAya Levin 3455f29458bSAya Levin for (tc = 0; tc < priv->channels.params.num_tc; tc++) { 3465f29458bSAya Levin struct mlx5e_txqsq *sq = &c->sq[tc]; 3475f29458bSAya Levin 3485f29458bSAya Levin err = mlx5e_health_queue_dump(priv, fmsg, sq->sqn, "SQ"); 3495f29458bSAya Levin if (err) 3505f29458bSAya Levin return err; 3515f29458bSAya Levin } 3525f29458bSAya Levin } 3535f29458bSAya Levin return devlink_fmsg_arr_pair_nest_end(fmsg); 3545f29458bSAya Levin } 3555f29458bSAya Levin 3565f29458bSAya Levin static int mlx5e_tx_reporter_dump_from_ctx(struct mlx5e_priv *priv, 3575f29458bSAya Levin struct mlx5e_err_ctx *err_ctx, 3585f29458bSAya Levin struct devlink_fmsg *fmsg) 3595f29458bSAya Levin { 3605f29458bSAya Levin return err_ctx->dump(priv, fmsg, err_ctx->ctx); 3615f29458bSAya Levin } 3625f29458bSAya Levin 3635f29458bSAya Levin static int mlx5e_tx_reporter_dump(struct devlink_health_reporter *reporter, 3645f29458bSAya Levin struct devlink_fmsg *fmsg, void *context, 3655f29458bSAya Levin struct netlink_ext_ack *extack) 3665f29458bSAya Levin { 3675f29458bSAya Levin struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 3685f29458bSAya Levin struct mlx5e_err_ctx *err_ctx = context; 3695f29458bSAya Levin 3705f29458bSAya Levin return err_ctx ? mlx5e_tx_reporter_dump_from_ctx(priv, err_ctx, fmsg) : 3715f29458bSAya Levin mlx5e_tx_reporter_dump_all_sqs(priv, fmsg); 3725f29458bSAya Levin } 3735f29458bSAya Levin 3740a56be3cSAya Levin void mlx5e_reporter_tx_err_cqe(struct mlx5e_txqsq *sq) 3750a56be3cSAya Levin { 3760a56be3cSAya Levin struct mlx5e_priv *priv = sq->channel->priv; 3770a56be3cSAya Levin char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN]; 3780a56be3cSAya Levin struct mlx5e_err_ctx err_ctx = {}; 3790a56be3cSAya Levin 3800a56be3cSAya Levin err_ctx.ctx = sq; 3810a56be3cSAya Levin err_ctx.recover = mlx5e_tx_reporter_err_cqe_recover; 3825f29458bSAya Levin err_ctx.dump = mlx5e_tx_reporter_dump_sq; 383b21aef7eSJoe Perches snprintf(err_str, sizeof(err_str), "ERR CQE on SQ: 0x%x", sq->sqn); 3840a56be3cSAya Levin 3850a56be3cSAya Levin mlx5e_health_report(priv, priv->tx_reporter, err_str, &err_ctx); 3860a56be3cSAya Levin } 3870a56be3cSAya Levin 3880a56be3cSAya Levin int mlx5e_reporter_tx_timeout(struct mlx5e_txqsq *sq) 3890a56be3cSAya Levin { 3900a56be3cSAya Levin struct mlx5e_priv *priv = sq->channel->priv; 3910a56be3cSAya Levin char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN]; 3920a56be3cSAya Levin struct mlx5e_err_ctx err_ctx = {}; 3930a56be3cSAya Levin 3940a56be3cSAya Levin err_ctx.ctx = sq; 3950a56be3cSAya Levin err_ctx.recover = mlx5e_tx_reporter_timeout_recover; 3965f29458bSAya Levin err_ctx.dump = mlx5e_tx_reporter_dump_sq; 397b21aef7eSJoe Perches snprintf(err_str, sizeof(err_str), 398b21aef7eSJoe Perches "TX timeout on queue: %d, SQ: 0x%x, CQ: 0x%x, SQ Cons: 0x%x SQ Prod: 0x%x, usecs since last trans: %u", 3990a56be3cSAya Levin sq->channel->ix, sq->sqn, sq->cq.mcq.cqn, sq->cc, sq->pc, 4000a56be3cSAya Levin jiffies_to_usecs(jiffies - sq->txq->trans_start)); 4010a56be3cSAya Levin 4020a56be3cSAya Levin return mlx5e_health_report(priv, priv->tx_reporter, err_str, &err_ctx); 4030a56be3cSAya Levin } 4040a56be3cSAya Levin 405de8650a8SEran Ben Elisha static const struct devlink_health_reporter_ops mlx5_tx_reporter_ops = { 406de8650a8SEran Ben Elisha .name = "tx", 407de8650a8SEran Ben Elisha .recover = mlx5e_tx_reporter_recover, 408de8650a8SEran Ben Elisha .diagnose = mlx5e_tx_reporter_diagnose, 4095f29458bSAya Levin .dump = mlx5e_tx_reporter_dump, 410de8650a8SEran Ben Elisha }; 411de8650a8SEran Ben Elisha 412de8650a8SEran Ben Elisha #define MLX5_REPORTER_TX_GRACEFUL_PERIOD 500 413de8650a8SEran Ben Elisha 414b3ea4c4fSEran Ben Elisha void mlx5e_reporter_tx_create(struct mlx5e_priv *priv) 415de8650a8SEran Ben Elisha { 416baf6dfdbSAya Levin struct devlink_health_reporter *reporter; 417de8650a8SEran Ben Elisha struct mlx5_core_dev *mdev = priv->mdev; 418c50de4afSAya Levin struct devlink *devlink; 419de8650a8SEran Ben Elisha 420c50de4afSAya Levin devlink = priv_to_devlink(mdev); 421baf6dfdbSAya Levin reporter = 422de8650a8SEran Ben Elisha devlink_health_reporter_create(devlink, &mlx5_tx_reporter_ops, 423de8650a8SEran Ben Elisha MLX5_REPORTER_TX_GRACEFUL_PERIOD, 424ba7d16c7SEran Ben Elisha priv); 425baf6dfdbSAya Levin if (IS_ERR(reporter)) { 426de8650a8SEran Ben Elisha netdev_warn(priv->netdev, 427de8650a8SEran Ben Elisha "Failed to create tx reporter, err = %ld\n", 428baf6dfdbSAya Levin PTR_ERR(reporter)); 429b3ea4c4fSEran Ben Elisha return; 4307f7cc235SAya Levin } 431baf6dfdbSAya Levin priv->tx_reporter = reporter; 432de8650a8SEran Ben Elisha } 433de8650a8SEran Ben Elisha 43406293ae4SAya Levin void mlx5e_reporter_tx_destroy(struct mlx5e_priv *priv) 435de8650a8SEran Ben Elisha { 436baf6dfdbSAya Levin if (!priv->tx_reporter) 437de8650a8SEran Ben Elisha return; 438de8650a8SEran Ben Elisha 439de8650a8SEran Ben Elisha devlink_health_reporter_destroy(priv->tx_reporter); 440de8650a8SEran Ben Elisha } 441