2015-05-28 13:28:48 -06:00
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/*
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* Copyright (c) 2015, Mellanox Technologies. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <linux/mlx5/flow_table.h>
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#include "en.h"
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struct mlx5e_rq_param {
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u32 rqc[MLX5_ST_SZ_DW(rqc)];
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struct mlx5_wq_param wq;
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};
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struct mlx5e_sq_param {
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u32 sqc[MLX5_ST_SZ_DW(sqc)];
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struct mlx5_wq_param wq;
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};
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struct mlx5e_cq_param {
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u32 cqc[MLX5_ST_SZ_DW(cqc)];
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struct mlx5_wq_param wq;
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u16 eq_ix;
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};
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struct mlx5e_channel_param {
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struct mlx5e_rq_param rq;
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struct mlx5e_sq_param sq;
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struct mlx5e_cq_param rx_cq;
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struct mlx5e_cq_param tx_cq;
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};
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static void mlx5e_update_carrier(struct mlx5e_priv *priv)
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{
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struct mlx5_core_dev *mdev = priv->mdev;
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u8 port_state;
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port_state = mlx5_query_vport_state(mdev,
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MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT);
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if (port_state == VPORT_STATE_UP)
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netif_carrier_on(priv->netdev);
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else
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netif_carrier_off(priv->netdev);
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}
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static void mlx5e_update_carrier_work(struct work_struct *work)
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{
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struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv,
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update_carrier_work);
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mutex_lock(&priv->state_lock);
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if (test_bit(MLX5E_STATE_OPENED, &priv->state))
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mlx5e_update_carrier(priv);
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mutex_unlock(&priv->state_lock);
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}
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void mlx5e_update_stats(struct mlx5e_priv *priv)
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{
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struct mlx5_core_dev *mdev = priv->mdev;
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struct mlx5e_vport_stats *s = &priv->stats.vport;
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struct mlx5e_rq_stats *rq_stats;
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struct mlx5e_sq_stats *sq_stats;
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u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)];
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u32 *out;
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int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out);
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u64 tx_offload_none;
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int i, j;
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out = mlx5_vzalloc(outlen);
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if (!out)
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return;
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/* Collect firts the SW counters and then HW for consistency */
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s->tso_packets = 0;
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s->tso_bytes = 0;
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s->tx_queue_stopped = 0;
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s->tx_queue_wake = 0;
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s->tx_queue_dropped = 0;
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tx_offload_none = 0;
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s->lro_packets = 0;
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s->lro_bytes = 0;
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s->rx_csum_none = 0;
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s->rx_wqe_err = 0;
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for (i = 0; i < priv->params.num_channels; i++) {
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rq_stats = &priv->channel[i]->rq.stats;
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s->lro_packets += rq_stats->lro_packets;
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s->lro_bytes += rq_stats->lro_bytes;
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s->rx_csum_none += rq_stats->csum_none;
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s->rx_wqe_err += rq_stats->wqe_err;
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for (j = 0; j < priv->num_tc; j++) {
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sq_stats = &priv->channel[i]->sq[j].stats;
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s->tso_packets += sq_stats->tso_packets;
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s->tso_bytes += sq_stats->tso_bytes;
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s->tx_queue_stopped += sq_stats->stopped;
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s->tx_queue_wake += sq_stats->wake;
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s->tx_queue_dropped += sq_stats->dropped;
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tx_offload_none += sq_stats->csum_offload_none;
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}
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}
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/* HW counters */
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memset(in, 0, sizeof(in));
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MLX5_SET(query_vport_counter_in, in, opcode,
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MLX5_CMD_OP_QUERY_VPORT_COUNTER);
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MLX5_SET(query_vport_counter_in, in, op_mod, 0);
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MLX5_SET(query_vport_counter_in, in, other_vport, 0);
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memset(out, 0, outlen);
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if (mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen))
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goto free_out;
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#define MLX5_GET_CTR(p, x) \
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MLX5_GET64(query_vport_counter_out, p, x)
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s->rx_error_packets =
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MLX5_GET_CTR(out, received_errors.packets);
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s->rx_error_bytes =
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MLX5_GET_CTR(out, received_errors.octets);
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s->tx_error_packets =
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MLX5_GET_CTR(out, transmit_errors.packets);
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s->tx_error_bytes =
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MLX5_GET_CTR(out, transmit_errors.octets);
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s->rx_unicast_packets =
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MLX5_GET_CTR(out, received_eth_unicast.packets);
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s->rx_unicast_bytes =
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MLX5_GET_CTR(out, received_eth_unicast.octets);
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s->tx_unicast_packets =
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MLX5_GET_CTR(out, transmitted_eth_unicast.packets);
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s->tx_unicast_bytes =
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MLX5_GET_CTR(out, transmitted_eth_unicast.octets);
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s->rx_multicast_packets =
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MLX5_GET_CTR(out, received_eth_multicast.packets);
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s->rx_multicast_bytes =
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MLX5_GET_CTR(out, received_eth_multicast.octets);
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s->tx_multicast_packets =
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MLX5_GET_CTR(out, transmitted_eth_multicast.packets);
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s->tx_multicast_bytes =
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MLX5_GET_CTR(out, transmitted_eth_multicast.octets);
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s->rx_broadcast_packets =
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MLX5_GET_CTR(out, received_eth_broadcast.packets);
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s->rx_broadcast_bytes =
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MLX5_GET_CTR(out, received_eth_broadcast.octets);
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s->tx_broadcast_packets =
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MLX5_GET_CTR(out, transmitted_eth_broadcast.packets);
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s->tx_broadcast_bytes =
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MLX5_GET_CTR(out, transmitted_eth_broadcast.octets);
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s->rx_packets =
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s->rx_unicast_packets +
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s->rx_multicast_packets +
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s->rx_broadcast_packets;
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s->rx_bytes =
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s->rx_unicast_bytes +
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s->rx_multicast_bytes +
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s->rx_broadcast_bytes;
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s->tx_packets =
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s->tx_unicast_packets +
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s->tx_multicast_packets +
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s->tx_broadcast_packets;
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s->tx_bytes =
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s->tx_unicast_bytes +
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s->tx_multicast_bytes +
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s->tx_broadcast_bytes;
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/* Update calculated offload counters */
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s->tx_csum_offload = s->tx_packets - tx_offload_none;
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s->rx_csum_good = s->rx_packets - s->rx_csum_none;
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free_out:
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kvfree(out);
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}
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static void mlx5e_update_stats_work(struct work_struct *work)
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{
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struct delayed_work *dwork = to_delayed_work(work);
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struct mlx5e_priv *priv = container_of(dwork, struct mlx5e_priv,
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update_stats_work);
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mutex_lock(&priv->state_lock);
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if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
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mlx5e_update_stats(priv);
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schedule_delayed_work(dwork,
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msecs_to_jiffies(
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MLX5E_UPDATE_STATS_INTERVAL));
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}
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mutex_unlock(&priv->state_lock);
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}
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static void __mlx5e_async_event(struct mlx5e_priv *priv,
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enum mlx5_dev_event event)
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{
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switch (event) {
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case MLX5_DEV_EVENT_PORT_UP:
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case MLX5_DEV_EVENT_PORT_DOWN:
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schedule_work(&priv->update_carrier_work);
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break;
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default:
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break;
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}
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}
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static void mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv,
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enum mlx5_dev_event event, unsigned long param)
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{
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struct mlx5e_priv *priv = vpriv;
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spin_lock(&priv->async_events_spinlock);
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if (test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state))
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__mlx5e_async_event(priv, event);
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spin_unlock(&priv->async_events_spinlock);
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}
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static void mlx5e_enable_async_events(struct mlx5e_priv *priv)
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{
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set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state);
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}
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static void mlx5e_disable_async_events(struct mlx5e_priv *priv)
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{
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spin_lock_irq(&priv->async_events_spinlock);
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clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state);
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spin_unlock_irq(&priv->async_events_spinlock);
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}
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static void mlx5e_send_nop(struct mlx5e_sq *sq)
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{
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struct mlx5_wq_cyc *wq = &sq->wq;
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u16 pi = sq->pc & wq->sz_m1;
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struct mlx5e_tx_wqe *wqe = mlx5_wq_cyc_get_wqe(wq, pi);
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struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
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memset(cseg, 0, sizeof(*cseg));
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cseg->opmod_idx_opcode = cpu_to_be32((sq->pc << 8) | MLX5_OPCODE_NOP);
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cseg->qpn_ds = cpu_to_be32((sq->sqn << 8) | 0x01);
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cseg->fm_ce_se = MLX5_WQE_CTRL_CQ_UPDATE;
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sq->skb[pi] = NULL;
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sq->pc++;
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mlx5e_tx_notify_hw(sq, wqe);
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}
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2015-06-11 05:47:27 -06:00
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#define MLX5E_HW2SW_MTU(hwmtu) (hwmtu - (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN))
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#define MLX5E_SW2HW_MTU(swmtu) (swmtu + (ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN))
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2015-05-28 13:28:48 -06:00
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static int mlx5e_create_rq(struct mlx5e_channel *c,
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struct mlx5e_rq_param *param,
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struct mlx5e_rq *rq)
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{
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struct mlx5e_priv *priv = c->priv;
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struct mlx5_core_dev *mdev = priv->mdev;
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void *rqc = param->rqc;
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void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq);
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int wq_sz;
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int err;
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int i;
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err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq,
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&rq->wq_ctrl);
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if (err)
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return err;
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rq->wq.db = &rq->wq.db[MLX5_RCV_DBR];
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wq_sz = mlx5_wq_ll_get_size(&rq->wq);
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rq->skb = kzalloc_node(wq_sz * sizeof(*rq->skb), GFP_KERNEL,
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cpu_to_node(c->cpu));
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if (!rq->skb) {
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err = -ENOMEM;
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goto err_rq_wq_destroy;
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}
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rq->wqe_sz = (priv->params.lro_en) ? priv->params.lro_wqe_sz :
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2015-06-11 05:47:27 -06:00
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MLX5E_SW2HW_MTU(priv->netdev->mtu);
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2015-06-11 05:47:28 -06:00
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rq->wqe_sz = SKB_DATA_ALIGN(rq->wqe_sz + MLX5E_NET_IP_ALIGN);
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2015-05-28 13:28:48 -06:00
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for (i = 0; i < wq_sz; i++) {
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struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i);
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2015-06-11 05:47:28 -06:00
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u32 byte_count = rq->wqe_sz - MLX5E_NET_IP_ALIGN;
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2015-05-28 13:28:48 -06:00
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wqe->data.lkey = c->mkey_be;
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2015-06-11 05:47:28 -06:00
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wqe->data.byte_count =
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cpu_to_be32(byte_count | MLX5_HW_START_PADDING);
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2015-05-28 13:28:48 -06:00
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}
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rq->pdev = c->pdev;
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rq->netdev = c->netdev;
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rq->channel = c;
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rq->ix = c->ix;
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return 0;
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err_rq_wq_destroy:
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|
|
|
mlx5_wq_destroy(&rq->wq_ctrl);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_destroy_rq(struct mlx5e_rq *rq)
|
|
|
|
{
|
|
|
|
kfree(rq->skb);
|
|
|
|
mlx5_wq_destroy(&rq->wq_ctrl);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = rq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
void *in;
|
|
|
|
void *rqc;
|
|
|
|
void *wq;
|
|
|
|
int inlen;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(create_rq_in) +
|
|
|
|
sizeof(u64) * rq->wq_ctrl.buf.npages;
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
rqc = MLX5_ADDR_OF(create_rq_in, in, ctx);
|
|
|
|
wq = MLX5_ADDR_OF(rqc, rqc, wq);
|
|
|
|
|
|
|
|
memcpy(rqc, param->rqc, sizeof(param->rqc));
|
|
|
|
|
|
|
|
MLX5_SET(rqc, rqc, cqn, c->rq.cq.mcq.cqn);
|
|
|
|
MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST);
|
|
|
|
MLX5_SET(rqc, rqc, flush_in_error_en, 1);
|
|
|
|
MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST);
|
|
|
|
MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift -
|
|
|
|
PAGE_SHIFT);
|
|
|
|
MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma);
|
|
|
|
|
|
|
|
mlx5_fill_page_array(&rq->wq_ctrl.buf,
|
|
|
|
(__be64 *)MLX5_ADDR_OF(wq, wq, pas));
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn);
|
2015-05-28 13:28:48 -06:00
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_modify_rq(struct mlx5e_rq *rq, int curr_state, int next_state)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = rq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
void *in;
|
|
|
|
void *rqc;
|
|
|
|
int inlen;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(modify_rq_in);
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx);
|
|
|
|
|
|
|
|
MLX5_SET(modify_rq_in, in, rq_state, curr_state);
|
|
|
|
MLX5_SET(rqc, rqc, state, next_state);
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
err = mlx5_core_modify_rq(mdev, rq->rqn, in, inlen);
|
2015-05-28 13:28:48 -06:00
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_disable_rq(struct mlx5e_rq *rq)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = rq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
mlx5_core_destroy_rq(mdev, rq->rqn);
|
2015-05-28 13:28:48 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = rq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_wq_ll *wq = &rq->wq;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < 1000; i++) {
|
|
|
|
if (wq->cur_sz >= priv->params.min_rx_wqes)
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
msleep(20);
|
|
|
|
}
|
|
|
|
|
|
|
|
return -ETIMEDOUT;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_rq(struct mlx5e_channel *c,
|
|
|
|
struct mlx5e_rq_param *param,
|
|
|
|
struct mlx5e_rq *rq)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = mlx5e_create_rq(c, param, rq);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
err = mlx5e_enable_rq(rq, param);
|
|
|
|
if (err)
|
|
|
|
goto err_destroy_rq;
|
|
|
|
|
|
|
|
err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY);
|
|
|
|
if (err)
|
|
|
|
goto err_disable_rq;
|
|
|
|
|
|
|
|
set_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state);
|
|
|
|
mlx5e_send_nop(&c->sq[0]); /* trigger mlx5e_post_rx_wqes() */
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_disable_rq:
|
|
|
|
mlx5e_disable_rq(rq);
|
|
|
|
err_destroy_rq:
|
|
|
|
mlx5e_destroy_rq(rq);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_rq(struct mlx5e_rq *rq)
|
|
|
|
{
|
|
|
|
clear_bit(MLX5E_RQ_STATE_POST_WQES_ENABLE, &rq->state);
|
|
|
|
napi_synchronize(&rq->channel->napi); /* prevent mlx5e_post_rx_wqes */
|
|
|
|
|
|
|
|
mlx5e_modify_rq(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR);
|
|
|
|
while (!mlx5_wq_ll_is_empty(&rq->wq))
|
|
|
|
msleep(20);
|
|
|
|
|
|
|
|
/* avoid destroying rq before mlx5e_poll_rx_cq() is done with it */
|
|
|
|
napi_synchronize(&rq->channel->napi);
|
|
|
|
|
|
|
|
mlx5e_disable_rq(rq);
|
|
|
|
mlx5e_destroy_rq(rq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_free_sq_db(struct mlx5e_sq *sq)
|
|
|
|
{
|
|
|
|
kfree(sq->dma_fifo);
|
|
|
|
kfree(sq->skb);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_alloc_sq_db(struct mlx5e_sq *sq, int numa)
|
|
|
|
{
|
|
|
|
int wq_sz = mlx5_wq_cyc_get_size(&sq->wq);
|
|
|
|
int df_sz = wq_sz * MLX5_SEND_WQEBB_NUM_DS;
|
|
|
|
|
|
|
|
sq->skb = kzalloc_node(wq_sz * sizeof(*sq->skb), GFP_KERNEL, numa);
|
|
|
|
sq->dma_fifo = kzalloc_node(df_sz * sizeof(*sq->dma_fifo), GFP_KERNEL,
|
|
|
|
numa);
|
|
|
|
|
|
|
|
if (!sq->skb || !sq->dma_fifo) {
|
|
|
|
mlx5e_free_sq_db(sq);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
|
|
|
|
sq->dma_fifo_mask = df_sz - 1;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_create_sq(struct mlx5e_channel *c,
|
|
|
|
int tc,
|
|
|
|
struct mlx5e_sq_param *param,
|
|
|
|
struct mlx5e_sq *sq)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
void *sqc = param->sqc;
|
|
|
|
void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq);
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = mlx5_alloc_map_uar(mdev, &sq->uar);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq,
|
|
|
|
&sq->wq_ctrl);
|
|
|
|
if (err)
|
|
|
|
goto err_unmap_free_uar;
|
|
|
|
|
|
|
|
sq->wq.db = &sq->wq.db[MLX5_SND_DBR];
|
|
|
|
sq->uar_map = sq->uar.map;
|
|
|
|
sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2;
|
|
|
|
|
2015-06-11 02:50:01 -06:00
|
|
|
err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu));
|
|
|
|
if (err)
|
2015-05-28 13:28:48 -06:00
|
|
|
goto err_sq_wq_destroy;
|
|
|
|
|
|
|
|
sq->txq = netdev_get_tx_queue(priv->netdev,
|
|
|
|
c->ix + tc * priv->params.num_channels);
|
|
|
|
|
|
|
|
sq->pdev = c->pdev;
|
|
|
|
sq->mkey_be = c->mkey_be;
|
|
|
|
sq->channel = c;
|
|
|
|
sq->tc = tc;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_sq_wq_destroy:
|
|
|
|
mlx5_wq_destroy(&sq->wq_ctrl);
|
|
|
|
|
|
|
|
err_unmap_free_uar:
|
|
|
|
mlx5_unmap_free_uar(mdev, &sq->uar);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_destroy_sq(struct mlx5e_sq *sq)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = sq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
|
|
|
|
mlx5e_free_sq_db(sq);
|
|
|
|
mlx5_wq_destroy(&sq->wq_ctrl);
|
|
|
|
mlx5_unmap_free_uar(priv->mdev, &sq->uar);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = sq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
void *in;
|
|
|
|
void *sqc;
|
|
|
|
void *wq;
|
|
|
|
int inlen;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(create_sq_in) +
|
|
|
|
sizeof(u64) * sq->wq_ctrl.buf.npages;
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
sqc = MLX5_ADDR_OF(create_sq_in, in, ctx);
|
|
|
|
wq = MLX5_ADDR_OF(sqc, sqc, wq);
|
|
|
|
|
|
|
|
memcpy(sqc, param->sqc, sizeof(param->sqc));
|
|
|
|
|
|
|
|
MLX5_SET(sqc, sqc, user_index, sq->tc);
|
|
|
|
MLX5_SET(sqc, sqc, tis_num_0, priv->tisn[sq->tc]);
|
|
|
|
MLX5_SET(sqc, sqc, cqn, c->sq[sq->tc].cq.mcq.cqn);
|
|
|
|
MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST);
|
|
|
|
MLX5_SET(sqc, sqc, tis_lst_sz, 1);
|
|
|
|
MLX5_SET(sqc, sqc, flush_in_error_en, 1);
|
|
|
|
|
|
|
|
MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC);
|
|
|
|
MLX5_SET(wq, wq, uar_page, sq->uar.index);
|
|
|
|
MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift -
|
|
|
|
PAGE_SHIFT);
|
|
|
|
MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma);
|
|
|
|
|
|
|
|
mlx5_fill_page_array(&sq->wq_ctrl.buf,
|
|
|
|
(__be64 *)MLX5_ADDR_OF(wq, wq, pas));
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn);
|
2015-05-28 13:28:48 -06:00
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = sq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
void *in;
|
|
|
|
void *sqc;
|
|
|
|
int inlen;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(modify_sq_in);
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx);
|
|
|
|
|
|
|
|
MLX5_SET(modify_sq_in, in, sq_state, curr_state);
|
|
|
|
MLX5_SET(sqc, sqc, state, next_state);
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
err = mlx5_core_modify_sq(mdev, sq->sqn, in, inlen);
|
2015-05-28 13:28:48 -06:00
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_disable_sq(struct mlx5e_sq *sq)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = sq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
mlx5_core_destroy_sq(mdev, sq->sqn);
|
2015-05-28 13:28:48 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_sq(struct mlx5e_channel *c,
|
|
|
|
int tc,
|
|
|
|
struct mlx5e_sq_param *param,
|
|
|
|
struct mlx5e_sq *sq)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = mlx5e_create_sq(c, tc, param, sq);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
err = mlx5e_enable_sq(sq, param);
|
|
|
|
if (err)
|
|
|
|
goto err_destroy_sq;
|
|
|
|
|
|
|
|
err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY);
|
|
|
|
if (err)
|
|
|
|
goto err_disable_sq;
|
|
|
|
|
|
|
|
set_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state);
|
|
|
|
netdev_tx_reset_queue(sq->txq);
|
|
|
|
netif_tx_start_queue(sq->txq);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_disable_sq:
|
|
|
|
mlx5e_disable_sq(sq);
|
|
|
|
err_destroy_sq:
|
|
|
|
mlx5e_destroy_sq(sq);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void netif_tx_disable_queue(struct netdev_queue *txq)
|
|
|
|
{
|
|
|
|
__netif_tx_lock_bh(txq);
|
|
|
|
netif_tx_stop_queue(txq);
|
|
|
|
__netif_tx_unlock_bh(txq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_sq(struct mlx5e_sq *sq)
|
|
|
|
{
|
|
|
|
clear_bit(MLX5E_SQ_STATE_WAKE_TXQ_ENABLE, &sq->state);
|
|
|
|
napi_synchronize(&sq->channel->napi); /* prevent netif_tx_wake_queue */
|
|
|
|
netif_tx_disable_queue(sq->txq);
|
|
|
|
|
|
|
|
/* ensure hw is notified of all pending wqes */
|
|
|
|
if (mlx5e_sq_has_room_for(sq, 1))
|
|
|
|
mlx5e_send_nop(sq);
|
|
|
|
|
|
|
|
mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, MLX5_SQC_STATE_ERR);
|
|
|
|
while (sq->cc != sq->pc) /* wait till sq is empty */
|
|
|
|
msleep(20);
|
|
|
|
|
|
|
|
/* avoid destroying sq before mlx5e_poll_tx_cq() is done with it */
|
|
|
|
napi_synchronize(&sq->channel->napi);
|
|
|
|
|
|
|
|
mlx5e_disable_sq(sq);
|
|
|
|
mlx5e_destroy_sq(sq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_create_cq(struct mlx5e_channel *c,
|
|
|
|
struct mlx5e_cq_param *param,
|
|
|
|
struct mlx5e_cq *cq)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
struct mlx5_core_cq *mcq = &cq->mcq;
|
|
|
|
int eqn_not_used;
|
|
|
|
int irqn;
|
|
|
|
int err;
|
|
|
|
u32 i;
|
|
|
|
|
|
|
|
param->wq.numa = cpu_to_node(c->cpu);
|
|
|
|
param->eq_ix = c->ix;
|
|
|
|
|
|
|
|
err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq,
|
|
|
|
&cq->wq_ctrl);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn);
|
|
|
|
|
|
|
|
cq->napi = &c->napi;
|
|
|
|
|
|
|
|
mcq->cqe_sz = 64;
|
|
|
|
mcq->set_ci_db = cq->wq_ctrl.db.db;
|
|
|
|
mcq->arm_db = cq->wq_ctrl.db.db + 1;
|
|
|
|
*mcq->set_ci_db = 0;
|
|
|
|
*mcq->arm_db = 0;
|
|
|
|
mcq->vector = param->eq_ix;
|
|
|
|
mcq->comp = mlx5e_completion_event;
|
|
|
|
mcq->event = mlx5e_cq_error_event;
|
|
|
|
mcq->irqn = irqn;
|
|
|
|
mcq->uar = &priv->cq_uar;
|
|
|
|
|
|
|
|
for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) {
|
|
|
|
struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i);
|
|
|
|
|
|
|
|
cqe->op_own = 0xf1;
|
|
|
|
}
|
|
|
|
|
|
|
|
cq->channel = c;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_destroy_cq(struct mlx5e_cq *cq)
|
|
|
|
{
|
|
|
|
mlx5_wq_destroy(&cq->wq_ctrl);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = cq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
struct mlx5_core_cq *mcq = &cq->mcq;
|
|
|
|
|
|
|
|
void *in;
|
|
|
|
void *cqc;
|
|
|
|
int inlen;
|
|
|
|
int irqn_not_used;
|
|
|
|
int eqn;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(create_cq_in) +
|
|
|
|
sizeof(u64) * cq->wq_ctrl.buf.npages;
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context);
|
|
|
|
|
|
|
|
memcpy(cqc, param->cqc, sizeof(param->cqc));
|
|
|
|
|
|
|
|
mlx5_fill_page_array(&cq->wq_ctrl.buf,
|
|
|
|
(__be64 *)MLX5_ADDR_OF(create_cq_in, in, pas));
|
|
|
|
|
|
|
|
mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used);
|
|
|
|
|
|
|
|
MLX5_SET(cqc, cqc, c_eqn, eqn);
|
|
|
|
MLX5_SET(cqc, cqc, uar_page, mcq->uar->index);
|
|
|
|
MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift -
|
|
|
|
PAGE_SHIFT);
|
|
|
|
MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma);
|
|
|
|
|
|
|
|
err = mlx5_core_create_cq(mdev, mcq, in, inlen);
|
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
mlx5e_cq_arm(cq);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_disable_cq(struct mlx5e_cq *cq)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel *c = cq->channel;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
mlx5_core_destroy_cq(mdev, &cq->mcq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_cq(struct mlx5e_channel *c,
|
|
|
|
struct mlx5e_cq_param *param,
|
|
|
|
struct mlx5e_cq *cq,
|
|
|
|
u16 moderation_usecs,
|
|
|
|
u16 moderation_frames)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
err = mlx5e_create_cq(c, param, cq);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
err = mlx5e_enable_cq(cq, param);
|
|
|
|
if (err)
|
|
|
|
goto err_destroy_cq;
|
|
|
|
|
|
|
|
err = mlx5_core_modify_cq_moderation(mdev, &cq->mcq,
|
|
|
|
moderation_usecs,
|
|
|
|
moderation_frames);
|
|
|
|
if (err)
|
|
|
|
goto err_destroy_cq;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_destroy_cq:
|
|
|
|
mlx5e_destroy_cq(cq);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_cq(struct mlx5e_cq *cq)
|
|
|
|
{
|
|
|
|
mlx5e_disable_cq(cq);
|
|
|
|
mlx5e_destroy_cq(cq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_get_cpu(struct mlx5e_priv *priv, int ix)
|
|
|
|
{
|
|
|
|
return cpumask_first(priv->mdev->priv.irq_info[ix].mask);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_tx_cqs(struct mlx5e_channel *c,
|
|
|
|
struct mlx5e_channel_param *cparam)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = c->priv;
|
|
|
|
int err;
|
|
|
|
int tc;
|
|
|
|
|
|
|
|
for (tc = 0; tc < c->num_tc; tc++) {
|
|
|
|
err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq,
|
|
|
|
priv->params.tx_cq_moderation_usec,
|
|
|
|
priv->params.tx_cq_moderation_pkts);
|
|
|
|
if (err)
|
|
|
|
goto err_close_tx_cqs;
|
|
|
|
|
|
|
|
c->sq[tc].cq.sqrq = &c->sq[tc];
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_tx_cqs:
|
|
|
|
for (tc--; tc >= 0; tc--)
|
|
|
|
mlx5e_close_cq(&c->sq[tc].cq);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_tx_cqs(struct mlx5e_channel *c)
|
|
|
|
{
|
|
|
|
int tc;
|
|
|
|
|
|
|
|
for (tc = 0; tc < c->num_tc; tc++)
|
|
|
|
mlx5e_close_cq(&c->sq[tc].cq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_sqs(struct mlx5e_channel *c,
|
|
|
|
struct mlx5e_channel_param *cparam)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
int tc;
|
|
|
|
|
|
|
|
for (tc = 0; tc < c->num_tc; tc++) {
|
|
|
|
err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]);
|
|
|
|
if (err)
|
|
|
|
goto err_close_sqs;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_sqs:
|
|
|
|
for (tc--; tc >= 0; tc--)
|
|
|
|
mlx5e_close_sq(&c->sq[tc]);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_sqs(struct mlx5e_channel *c)
|
|
|
|
{
|
|
|
|
int tc;
|
|
|
|
|
|
|
|
for (tc = 0; tc < c->num_tc; tc++)
|
|
|
|
mlx5e_close_sq(&c->sq[tc]);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_channel(struct mlx5e_priv *priv, int ix,
|
|
|
|
struct mlx5e_channel_param *cparam,
|
|
|
|
struct mlx5e_channel **cp)
|
|
|
|
{
|
|
|
|
struct net_device *netdev = priv->netdev;
|
|
|
|
int cpu = mlx5e_get_cpu(priv, ix);
|
|
|
|
struct mlx5e_channel *c;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
c = kzalloc_node(sizeof(*c), GFP_KERNEL, cpu_to_node(cpu));
|
|
|
|
if (!c)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
c->priv = priv;
|
|
|
|
c->ix = ix;
|
|
|
|
c->cpu = cpu;
|
|
|
|
c->pdev = &priv->mdev->pdev->dev;
|
|
|
|
c->netdev = priv->netdev;
|
|
|
|
c->mkey_be = cpu_to_be32(priv->mr.key);
|
|
|
|
c->num_tc = priv->num_tc;
|
|
|
|
|
|
|
|
netif_napi_add(netdev, &c->napi, mlx5e_napi_poll, 64);
|
|
|
|
|
|
|
|
err = mlx5e_open_tx_cqs(c, cparam);
|
|
|
|
if (err)
|
|
|
|
goto err_napi_del;
|
|
|
|
|
|
|
|
err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq,
|
|
|
|
priv->params.rx_cq_moderation_usec,
|
|
|
|
priv->params.rx_cq_moderation_pkts);
|
|
|
|
if (err)
|
|
|
|
goto err_close_tx_cqs;
|
|
|
|
c->rq.cq.sqrq = &c->rq;
|
|
|
|
|
|
|
|
napi_enable(&c->napi);
|
|
|
|
|
|
|
|
err = mlx5e_open_sqs(c, cparam);
|
|
|
|
if (err)
|
|
|
|
goto err_disable_napi;
|
|
|
|
|
|
|
|
err = mlx5e_open_rq(c, &cparam->rq, &c->rq);
|
|
|
|
if (err)
|
|
|
|
goto err_close_sqs;
|
|
|
|
|
|
|
|
netif_set_xps_queue(netdev, get_cpu_mask(c->cpu), ix);
|
|
|
|
*cp = c;
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_sqs:
|
|
|
|
mlx5e_close_sqs(c);
|
|
|
|
|
|
|
|
err_disable_napi:
|
|
|
|
napi_disable(&c->napi);
|
|
|
|
mlx5e_close_cq(&c->rq.cq);
|
|
|
|
|
|
|
|
err_close_tx_cqs:
|
|
|
|
mlx5e_close_tx_cqs(c);
|
|
|
|
|
|
|
|
err_napi_del:
|
|
|
|
netif_napi_del(&c->napi);
|
|
|
|
kfree(c);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_channel(struct mlx5e_channel *c)
|
|
|
|
{
|
|
|
|
mlx5e_close_rq(&c->rq);
|
|
|
|
mlx5e_close_sqs(c);
|
|
|
|
napi_disable(&c->napi);
|
|
|
|
mlx5e_close_cq(&c->rq.cq);
|
|
|
|
mlx5e_close_tx_cqs(c);
|
|
|
|
netif_napi_del(&c->napi);
|
|
|
|
kfree(c);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_rq_param(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_rq_param *param)
|
|
|
|
{
|
|
|
|
void *rqc = param->rqc;
|
|
|
|
void *wq = MLX5_ADDR_OF(rqc, rqc, wq);
|
|
|
|
|
|
|
|
MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST);
|
|
|
|
MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN);
|
|
|
|
MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe)));
|
|
|
|
MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size);
|
|
|
|
MLX5_SET(wq, wq, pd, priv->pdn);
|
|
|
|
|
|
|
|
param->wq.numa = dev_to_node(&priv->mdev->pdev->dev);
|
|
|
|
param->wq.linear = 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_sq_param(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_sq_param *param)
|
|
|
|
{
|
|
|
|
void *sqc = param->sqc;
|
|
|
|
void *wq = MLX5_ADDR_OF(sqc, sqc, wq);
|
|
|
|
|
|
|
|
MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size);
|
|
|
|
MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB));
|
|
|
|
MLX5_SET(wq, wq, pd, priv->pdn);
|
|
|
|
|
|
|
|
param->wq.numa = dev_to_node(&priv->mdev->pdev->dev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_common_cq_param(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_cq_param *param)
|
|
|
|
{
|
|
|
|
void *cqc = param->cqc;
|
|
|
|
|
|
|
|
MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_rx_cq_param(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_cq_param *param)
|
|
|
|
{
|
|
|
|
void *cqc = param->cqc;
|
|
|
|
|
|
|
|
MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_rq_size);
|
|
|
|
|
|
|
|
mlx5e_build_common_cq_param(priv, param);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_tx_cq_param(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_cq_param *param)
|
|
|
|
{
|
|
|
|
void *cqc = param->cqc;
|
|
|
|
|
|
|
|
MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size);
|
|
|
|
|
|
|
|
mlx5e_build_common_cq_param(priv, param);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_channel_param(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_channel_param *cparam)
|
|
|
|
{
|
|
|
|
memset(cparam, 0, sizeof(*cparam));
|
|
|
|
|
|
|
|
mlx5e_build_rq_param(priv, &cparam->rq);
|
|
|
|
mlx5e_build_sq_param(priv, &cparam->sq);
|
|
|
|
mlx5e_build_rx_cq_param(priv, &cparam->rx_cq);
|
|
|
|
mlx5e_build_tx_cq_param(priv, &cparam->tx_cq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_channels(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
struct mlx5e_channel_param cparam;
|
|
|
|
int err;
|
|
|
|
int i;
|
|
|
|
int j;
|
|
|
|
|
|
|
|
priv->channel = kcalloc(priv->params.num_channels,
|
|
|
|
sizeof(struct mlx5e_channel *), GFP_KERNEL);
|
|
|
|
if (!priv->channel)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
mlx5e_build_channel_param(priv, &cparam);
|
|
|
|
for (i = 0; i < priv->params.num_channels; i++) {
|
|
|
|
err = mlx5e_open_channel(priv, i, &cparam, &priv->channel[i]);
|
|
|
|
if (err)
|
|
|
|
goto err_close_channels;
|
|
|
|
}
|
|
|
|
|
|
|
|
for (j = 0; j < priv->params.num_channels; j++) {
|
|
|
|
err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq);
|
|
|
|
if (err)
|
|
|
|
goto err_close_channels;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_channels:
|
|
|
|
for (i--; i >= 0; i--)
|
|
|
|
mlx5e_close_channel(priv->channel[i]);
|
|
|
|
|
|
|
|
kfree(priv->channel);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_channels(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < priv->params.num_channels; i++)
|
|
|
|
mlx5e_close_channel(priv->channel[i]);
|
|
|
|
|
|
|
|
kfree(priv->channel);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_tis(struct mlx5e_priv *priv, int tc)
|
|
|
|
{
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
u32 in[MLX5_ST_SZ_DW(create_tis_in)];
|
|
|
|
void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx);
|
|
|
|
|
|
|
|
memset(in, 0, sizeof(in));
|
|
|
|
|
|
|
|
MLX5_SET(tisc, tisc, prio, tc);
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
return mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc]);
|
2015-05-28 13:28:48 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_tis(struct mlx5e_priv *priv, int tc)
|
|
|
|
{
|
2015-06-04 10:30:37 -06:00
|
|
|
mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]);
|
2015-05-28 13:28:48 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_tises(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
int num_tc = priv->num_tc;
|
|
|
|
int err;
|
|
|
|
int tc;
|
|
|
|
|
|
|
|
for (tc = 0; tc < num_tc; tc++) {
|
|
|
|
err = mlx5e_open_tis(priv, tc);
|
|
|
|
if (err)
|
|
|
|
goto err_close_tises;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_tises:
|
|
|
|
for (tc--; tc >= 0; tc--)
|
|
|
|
mlx5e_close_tis(priv, tc);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_tises(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
int num_tc = priv->num_tc;
|
|
|
|
int tc;
|
|
|
|
|
|
|
|
for (tc = 0; tc < num_tc; tc++)
|
|
|
|
mlx5e_close_tis(priv, tc);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_rqt(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
u32 *in;
|
|
|
|
u32 out[MLX5_ST_SZ_DW(create_rqt_out)];
|
|
|
|
void *rqtc;
|
|
|
|
int inlen;
|
|
|
|
int err;
|
|
|
|
int sz;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
sz = 1 << priv->params.rx_hash_log_tbl_sz;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz;
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context);
|
|
|
|
|
|
|
|
MLX5_SET(rqtc, rqtc, rqt_actual_size, sz);
|
|
|
|
MLX5_SET(rqtc, rqtc, rqt_max_size, sz);
|
|
|
|
|
|
|
|
for (i = 0; i < sz; i++) {
|
|
|
|
int ix = i % priv->params.num_channels;
|
|
|
|
|
|
|
|
MLX5_SET(rqtc, rqtc, rq_num[i], priv->channel[ix]->rq.rqn);
|
|
|
|
}
|
|
|
|
|
|
|
|
MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT);
|
|
|
|
|
|
|
|
memset(out, 0, sizeof(out));
|
|
|
|
err = mlx5_cmd_exec_check_status(mdev, in, inlen, out, sizeof(out));
|
|
|
|
if (!err)
|
|
|
|
priv->rqtn = MLX5_GET(create_rqt_out, out, rqtn);
|
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_rqt(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)];
|
|
|
|
u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)];
|
|
|
|
|
|
|
|
memset(in, 0, sizeof(in));
|
|
|
|
|
|
|
|
MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT);
|
|
|
|
MLX5_SET(destroy_rqt_in, in, rqtn, priv->rqtn);
|
|
|
|
|
|
|
|
mlx5_cmd_exec_check_status(priv->mdev, in, sizeof(in), out,
|
|
|
|
sizeof(out));
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, int tt)
|
|
|
|
{
|
|
|
|
void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer);
|
|
|
|
|
|
|
|
#define ROUGH_MAX_L2_L3_HDR_SZ 256
|
|
|
|
|
|
|
|
#define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
|
|
|
|
MLX5_HASH_FIELD_SEL_DST_IP)
|
|
|
|
|
|
|
|
#define MLX5_HASH_ALL (MLX5_HASH_FIELD_SEL_SRC_IP |\
|
|
|
|
MLX5_HASH_FIELD_SEL_DST_IP |\
|
|
|
|
MLX5_HASH_FIELD_SEL_L4_SPORT |\
|
|
|
|
MLX5_HASH_FIELD_SEL_L4_DPORT)
|
|
|
|
|
|
|
|
if (priv->params.lro_en) {
|
|
|
|
MLX5_SET(tirc, tirc, lro_enable_mask,
|
|
|
|
MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO |
|
|
|
|
MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO);
|
|
|
|
MLX5_SET(tirc, tirc, lro_max_ip_payload_size,
|
|
|
|
(priv->params.lro_wqe_sz -
|
|
|
|
ROUGH_MAX_L2_L3_HDR_SZ) >> 8);
|
|
|
|
MLX5_SET(tirc, tirc, lro_timeout_period_usecs,
|
|
|
|
MLX5_CAP_ETH(priv->mdev,
|
|
|
|
lro_timer_supported_periods[3]));
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (tt) {
|
|
|
|
case MLX5E_TT_ANY:
|
|
|
|
MLX5_SET(tirc, tirc, disp_type,
|
|
|
|
MLX5_TIRC_DISP_TYPE_DIRECT);
|
|
|
|
MLX5_SET(tirc, tirc, inline_rqn,
|
|
|
|
priv->channel[0]->rq.rqn);
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
MLX5_SET(tirc, tirc, disp_type,
|
|
|
|
MLX5_TIRC_DISP_TYPE_INDIRECT);
|
|
|
|
MLX5_SET(tirc, tirc, indirect_table,
|
|
|
|
priv->rqtn);
|
|
|
|
MLX5_SET(tirc, tirc, rx_hash_fn,
|
|
|
|
MLX5_TIRC_RX_HASH_FN_HASH_TOEPLITZ);
|
|
|
|
MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);
|
|
|
|
netdev_rss_key_fill(MLX5_ADDR_OF(tirc, tirc,
|
|
|
|
rx_hash_toeplitz_key),
|
|
|
|
MLX5_FLD_SZ_BYTES(tirc,
|
|
|
|
rx_hash_toeplitz_key));
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
switch (tt) {
|
|
|
|
case MLX5E_TT_IPV4_TCP:
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
|
|
|
|
MLX5_L3_PROT_TYPE_IPV4);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
|
|
|
|
MLX5_L4_PROT_TYPE_TCP);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, selected_fields,
|
|
|
|
MLX5_HASH_ALL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MLX5E_TT_IPV6_TCP:
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
|
|
|
|
MLX5_L3_PROT_TYPE_IPV6);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
|
|
|
|
MLX5_L4_PROT_TYPE_TCP);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, selected_fields,
|
|
|
|
MLX5_HASH_ALL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MLX5E_TT_IPV4_UDP:
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
|
|
|
|
MLX5_L3_PROT_TYPE_IPV4);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
|
|
|
|
MLX5_L4_PROT_TYPE_UDP);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, selected_fields,
|
|
|
|
MLX5_HASH_ALL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MLX5E_TT_IPV6_UDP:
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
|
|
|
|
MLX5_L3_PROT_TYPE_IPV6);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l4_prot_type,
|
|
|
|
MLX5_L4_PROT_TYPE_UDP);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, selected_fields,
|
|
|
|
MLX5_HASH_ALL);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MLX5E_TT_IPV4:
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
|
|
|
|
MLX5_L3_PROT_TYPE_IPV4);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, selected_fields,
|
|
|
|
MLX5_HASH_IP);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case MLX5E_TT_IPV6:
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, l3_prot_type,
|
|
|
|
MLX5_L3_PROT_TYPE_IPV6);
|
|
|
|
MLX5_SET(rx_hash_field_select, hfso, selected_fields,
|
|
|
|
MLX5_HASH_IP);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_tir(struct mlx5e_priv *priv, int tt)
|
|
|
|
{
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
u32 *in;
|
|
|
|
void *tirc;
|
|
|
|
int inlen;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
inlen = MLX5_ST_SZ_BYTES(create_tir_in);
|
|
|
|
in = mlx5_vzalloc(inlen);
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
|
|
|
|
|
|
|
|
mlx5e_build_tir_ctx(priv, tirc, tt);
|
|
|
|
|
2015-06-04 10:30:37 -06:00
|
|
|
err = mlx5_core_create_tir(mdev, in, inlen, &priv->tirn[tt]);
|
2015-05-28 13:28:48 -06:00
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_tir(struct mlx5e_priv *priv, int tt)
|
|
|
|
{
|
2015-06-04 10:30:37 -06:00
|
|
|
mlx5_core_destroy_tir(priv->mdev, priv->tirn[tt]);
|
2015-05-28 13:28:48 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open_tirs(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
int err;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < MLX5E_NUM_TT; i++) {
|
|
|
|
err = mlx5e_open_tir(priv, i);
|
|
|
|
if (err)
|
|
|
|
goto err_close_tirs;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_tirs:
|
|
|
|
for (i--; i >= 0; i--)
|
|
|
|
mlx5e_close_tir(priv, i);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_close_tirs(struct mlx5e_priv *priv)
|
|
|
|
{
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < MLX5E_NUM_TT; i++)
|
|
|
|
mlx5e_close_tir(priv, i);
|
|
|
|
}
|
|
|
|
|
2015-06-11 05:47:27 -06:00
|
|
|
static int mlx5e_set_dev_port_mtu(struct net_device *netdev)
|
2015-05-28 13:28:48 -06:00
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
2015-06-11 05:47:27 -06:00
|
|
|
int hw_mtu;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(netdev->mtu), 1);
|
|
|
|
if (err)
|
|
|
|
return err;
|
|
|
|
|
|
|
|
mlx5_query_port_oper_mtu(mdev, &hw_mtu, 1);
|
|
|
|
|
|
|
|
if (MLX5E_HW2SW_MTU(hw_mtu) != netdev->mtu)
|
|
|
|
netdev_warn(netdev, "%s: Port MTU %d is different than netdev mtu %d\n",
|
|
|
|
__func__, MLX5E_HW2SW_MTU(hw_mtu), netdev->mtu);
|
|
|
|
|
|
|
|
netdev->mtu = MLX5E_HW2SW_MTU(hw_mtu);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
int mlx5e_open_locked(struct net_device *netdev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
2015-05-28 13:28:48 -06:00
|
|
|
int num_txqs;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
num_txqs = roundup_pow_of_two(priv->params.num_channels) *
|
|
|
|
priv->params.num_tc;
|
|
|
|
netif_set_real_num_tx_queues(netdev, num_txqs);
|
|
|
|
netif_set_real_num_rx_queues(netdev, priv->params.num_channels);
|
|
|
|
|
2015-06-11 05:47:27 -06:00
|
|
|
err = mlx5e_set_dev_port_mtu(netdev);
|
|
|
|
if (err)
|
2015-05-28 13:28:48 -06:00
|
|
|
return err;
|
|
|
|
|
|
|
|
err = mlx5e_open_tises(priv);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_open_tises failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5e_open_channels(priv);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_open_channels failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_close_tises;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5e_open_rqt(priv);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_open_rqt failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_close_channels;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5e_open_tirs(priv);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_open_tir failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_close_rqls;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5e_open_flow_table(priv);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_open_flow_table failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_close_tirs;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5e_add_all_vlan_rules(priv);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_add_all_vlan_rules failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_close_flow_table;
|
|
|
|
}
|
|
|
|
|
|
|
|
mlx5e_init_eth_addr(priv);
|
|
|
|
|
|
|
|
set_bit(MLX5E_STATE_OPENED, &priv->state);
|
|
|
|
|
|
|
|
mlx5e_update_carrier(priv);
|
|
|
|
mlx5e_set_rx_mode_core(priv);
|
|
|
|
|
|
|
|
schedule_delayed_work(&priv->update_stats_work, 0);
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
err_close_flow_table:
|
|
|
|
mlx5e_close_flow_table(priv);
|
|
|
|
|
|
|
|
err_close_tirs:
|
|
|
|
mlx5e_close_tirs(priv);
|
|
|
|
|
|
|
|
err_close_rqls:
|
|
|
|
mlx5e_close_rqt(priv);
|
|
|
|
|
|
|
|
err_close_channels:
|
|
|
|
mlx5e_close_channels(priv);
|
|
|
|
|
|
|
|
err_close_tises:
|
|
|
|
mlx5e_close_tises(priv);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_open(struct net_device *netdev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
int err;
|
|
|
|
|
|
|
|
mutex_lock(&priv->state_lock);
|
|
|
|
err = mlx5e_open_locked(netdev);
|
|
|
|
mutex_unlock(&priv->state_lock);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
int mlx5e_close_locked(struct net_device *netdev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
|
|
|
|
clear_bit(MLX5E_STATE_OPENED, &priv->state);
|
|
|
|
|
|
|
|
mlx5e_set_rx_mode_core(priv);
|
|
|
|
mlx5e_del_all_vlan_rules(priv);
|
|
|
|
netif_carrier_off(priv->netdev);
|
|
|
|
mlx5e_close_flow_table(priv);
|
|
|
|
mlx5e_close_tirs(priv);
|
|
|
|
mlx5e_close_rqt(priv);
|
|
|
|
mlx5e_close_channels(priv);
|
|
|
|
mlx5e_close_tises(priv);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_close(struct net_device *netdev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
int err;
|
|
|
|
|
|
|
|
mutex_lock(&priv->state_lock);
|
|
|
|
err = mlx5e_close_locked(netdev);
|
|
|
|
mutex_unlock(&priv->state_lock);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
int mlx5e_update_priv_params(struct mlx5e_priv *priv,
|
|
|
|
struct mlx5e_params *new_params)
|
|
|
|
{
|
|
|
|
int err = 0;
|
|
|
|
int was_opened;
|
|
|
|
|
|
|
|
WARN_ON(!mutex_is_locked(&priv->state_lock));
|
|
|
|
|
|
|
|
was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state);
|
|
|
|
if (was_opened)
|
|
|
|
mlx5e_close_locked(priv->netdev);
|
|
|
|
|
|
|
|
priv->params = *new_params;
|
|
|
|
|
|
|
|
if (was_opened)
|
|
|
|
err = mlx5e_open_locked(priv->netdev);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct rtnl_link_stats64 *
|
|
|
|
mlx5e_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
|
|
struct mlx5e_vport_stats *vstats = &priv->stats.vport;
|
|
|
|
|
|
|
|
stats->rx_packets = vstats->rx_packets;
|
|
|
|
stats->rx_bytes = vstats->rx_bytes;
|
|
|
|
stats->tx_packets = vstats->tx_packets;
|
|
|
|
stats->tx_bytes = vstats->tx_bytes;
|
|
|
|
stats->multicast = vstats->rx_multicast_packets +
|
|
|
|
vstats->tx_multicast_packets;
|
|
|
|
stats->tx_errors = vstats->tx_error_packets;
|
|
|
|
stats->rx_errors = vstats->rx_error_packets;
|
|
|
|
stats->tx_dropped = vstats->tx_queue_dropped;
|
|
|
|
stats->rx_crc_errors = 0;
|
|
|
|
stats->rx_length_errors = 0;
|
|
|
|
|
|
|
|
return stats;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_set_rx_mode(struct net_device *dev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
|
|
|
|
|
|
schedule_work(&priv->set_rx_mode_work);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_set_mac(struct net_device *netdev, void *addr)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
struct sockaddr *saddr = addr;
|
|
|
|
|
|
|
|
if (!is_valid_ether_addr(saddr->sa_data))
|
|
|
|
return -EADDRNOTAVAIL;
|
|
|
|
|
|
|
|
netif_addr_lock_bh(netdev);
|
|
|
|
ether_addr_copy(netdev->dev_addr, saddr->sa_data);
|
|
|
|
netif_addr_unlock_bh(netdev);
|
|
|
|
|
|
|
|
schedule_work(&priv->set_rx_mode_work);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_set_features(struct net_device *netdev,
|
|
|
|
netdev_features_t features)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
netdev_features_t changes = features ^ netdev->features;
|
|
|
|
struct mlx5e_params new_params;
|
|
|
|
bool update_params = false;
|
|
|
|
|
|
|
|
mutex_lock(&priv->state_lock);
|
|
|
|
new_params = priv->params;
|
|
|
|
|
|
|
|
if (changes & NETIF_F_LRO) {
|
|
|
|
new_params.lro_en = !!(features & NETIF_F_LRO);
|
|
|
|
update_params = true;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (update_params)
|
|
|
|
mlx5e_update_priv_params(priv, &new_params);
|
|
|
|
|
|
|
|
if (changes & NETIF_F_HW_VLAN_CTAG_FILTER) {
|
|
|
|
if (features & NETIF_F_HW_VLAN_CTAG_FILTER)
|
|
|
|
mlx5e_enable_vlan_filter(priv);
|
|
|
|
else
|
|
|
|
mlx5e_disable_vlan_filter(priv);
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_unlock(&priv->state_lock);
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_change_mtu(struct net_device *netdev, int new_mtu)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
int max_mtu;
|
2015-06-11 05:47:27 -06:00
|
|
|
int err;
|
2015-05-28 13:28:48 -06:00
|
|
|
|
2015-06-11 05:47:27 -06:00
|
|
|
mlx5_query_port_max_mtu(mdev, &max_mtu, 1);
|
2015-05-28 13:28:48 -06:00
|
|
|
|
2015-06-11 05:47:27 -06:00
|
|
|
if (new_mtu > max_mtu) {
|
|
|
|
netdev_err(netdev,
|
|
|
|
"%s: Bad MTU (%d) > (%d) Max\n",
|
|
|
|
__func__, new_mtu, max_mtu);
|
2015-05-28 13:28:48 -06:00
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
mutex_lock(&priv->state_lock);
|
|
|
|
netdev->mtu = new_mtu;
|
|
|
|
err = mlx5e_update_priv_params(priv, &priv->params);
|
|
|
|
mutex_unlock(&priv->state_lock);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct net_device_ops mlx5e_netdev_ops = {
|
|
|
|
.ndo_open = mlx5e_open,
|
|
|
|
.ndo_stop = mlx5e_close,
|
|
|
|
.ndo_start_xmit = mlx5e_xmit,
|
|
|
|
.ndo_get_stats64 = mlx5e_get_stats,
|
|
|
|
.ndo_set_rx_mode = mlx5e_set_rx_mode,
|
|
|
|
.ndo_set_mac_address = mlx5e_set_mac,
|
|
|
|
.ndo_vlan_rx_add_vid = mlx5e_vlan_rx_add_vid,
|
|
|
|
.ndo_vlan_rx_kill_vid = mlx5e_vlan_rx_kill_vid,
|
|
|
|
.ndo_set_features = mlx5e_set_features,
|
|
|
|
.ndo_change_mtu = mlx5e_change_mtu,
|
|
|
|
};
|
|
|
|
|
|
|
|
static int mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev)
|
|
|
|
{
|
|
|
|
if (MLX5_CAP_GEN(mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH)
|
|
|
|
return -ENOTSUPP;
|
|
|
|
if (!MLX5_CAP_GEN(mdev, eth_net_offloads) ||
|
|
|
|
!MLX5_CAP_GEN(mdev, nic_flow_table) ||
|
|
|
|
!MLX5_CAP_ETH(mdev, csum_cap) ||
|
|
|
|
!MLX5_CAP_ETH(mdev, max_lso_cap) ||
|
|
|
|
!MLX5_CAP_ETH(mdev, vlan_cap) ||
|
|
|
|
!MLX5_CAP_ETH(mdev, rss_ind_tbl_cap)) {
|
|
|
|
mlx5_core_warn(mdev,
|
|
|
|
"Not creating net device, some required device capabilities are missing\n");
|
|
|
|
return -ENOTSUPP;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev,
|
|
|
|
struct net_device *netdev,
|
|
|
|
int num_comp_vectors)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
|
|
|
|
priv->params.log_sq_size =
|
|
|
|
MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE;
|
|
|
|
priv->params.log_rq_size =
|
|
|
|
MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE;
|
|
|
|
priv->params.rx_cq_moderation_usec =
|
|
|
|
MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC;
|
|
|
|
priv->params.rx_cq_moderation_pkts =
|
|
|
|
MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS;
|
|
|
|
priv->params.tx_cq_moderation_usec =
|
|
|
|
MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC;
|
|
|
|
priv->params.tx_cq_moderation_pkts =
|
|
|
|
MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS;
|
|
|
|
priv->params.min_rx_wqes =
|
|
|
|
MLX5E_PARAMS_DEFAULT_MIN_RX_WQES;
|
|
|
|
priv->params.rx_hash_log_tbl_sz =
|
|
|
|
(order_base_2(num_comp_vectors) >
|
|
|
|
MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ) ?
|
|
|
|
order_base_2(num_comp_vectors) :
|
|
|
|
MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ;
|
|
|
|
priv->params.num_tc = 1;
|
|
|
|
priv->params.default_vlan_prio = 0;
|
|
|
|
|
|
|
|
priv->params.lro_en = false && !!MLX5_CAP_ETH(priv->mdev, lro_cap);
|
|
|
|
priv->params.lro_wqe_sz =
|
|
|
|
MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;
|
|
|
|
|
|
|
|
priv->mdev = mdev;
|
|
|
|
priv->netdev = netdev;
|
|
|
|
priv->params.num_channels = num_comp_vectors;
|
|
|
|
priv->order_base_2_num_channels = order_base_2(num_comp_vectors);
|
|
|
|
priv->queue_mapping_channel_mask =
|
|
|
|
roundup_pow_of_two(num_comp_vectors) - 1;
|
|
|
|
priv->num_tc = priv->params.num_tc;
|
|
|
|
priv->default_vlan_prio = priv->params.default_vlan_prio;
|
|
|
|
|
|
|
|
spin_lock_init(&priv->async_events_spinlock);
|
|
|
|
mutex_init(&priv->state_lock);
|
|
|
|
|
|
|
|
INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work);
|
|
|
|
INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work);
|
|
|
|
INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_set_netdev_dev_addr(struct net_device *netdev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
|
2015-06-04 10:30:40 -06:00
|
|
|
mlx5_query_nic_vport_mac_address(priv->mdev, netdev->dev_addr);
|
2015-05-28 13:28:48 -06:00
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_build_netdev(struct net_device *netdev)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
|
|
|
|
SET_NETDEV_DEV(netdev, &mdev->pdev->dev);
|
|
|
|
|
|
|
|
if (priv->num_tc > 1) {
|
|
|
|
mlx5e_netdev_ops.ndo_select_queue = mlx5e_select_queue;
|
|
|
|
mlx5e_netdev_ops.ndo_start_xmit = mlx5e_xmit_multi_tc;
|
|
|
|
}
|
|
|
|
|
|
|
|
netdev->netdev_ops = &mlx5e_netdev_ops;
|
|
|
|
netdev->watchdog_timeo = 15 * HZ;
|
|
|
|
|
|
|
|
netdev->ethtool_ops = &mlx5e_ethtool_ops;
|
|
|
|
|
|
|
|
netdev->vlan_features |= NETIF_F_IP_CSUM;
|
|
|
|
netdev->vlan_features |= NETIF_F_IPV6_CSUM;
|
|
|
|
netdev->vlan_features |= NETIF_F_GRO;
|
|
|
|
netdev->vlan_features |= NETIF_F_TSO;
|
|
|
|
netdev->vlan_features |= NETIF_F_TSO6;
|
|
|
|
netdev->vlan_features |= NETIF_F_RXCSUM;
|
|
|
|
netdev->vlan_features |= NETIF_F_RXHASH;
|
|
|
|
|
|
|
|
if (!!MLX5_CAP_ETH(mdev, lro_cap))
|
|
|
|
netdev->vlan_features |= NETIF_F_LRO;
|
|
|
|
|
|
|
|
netdev->hw_features = netdev->vlan_features;
|
|
|
|
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_RX;
|
|
|
|
netdev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER;
|
|
|
|
|
|
|
|
netdev->features = netdev->hw_features;
|
|
|
|
if (!priv->params.lro_en)
|
|
|
|
netdev->features &= ~NETIF_F_LRO;
|
|
|
|
|
|
|
|
netdev->features |= NETIF_F_HIGHDMA;
|
|
|
|
|
|
|
|
netdev->priv_flags |= IFF_UNICAST_FLT;
|
|
|
|
|
|
|
|
mlx5e_set_netdev_dev_addr(netdev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn,
|
|
|
|
struct mlx5_core_mr *mr)
|
|
|
|
{
|
|
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
|
|
struct mlx5_create_mkey_mbox_in *in;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
in = mlx5_vzalloc(sizeof(*in));
|
|
|
|
if (!in)
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
in->seg.flags = MLX5_PERM_LOCAL_WRITE |
|
|
|
|
MLX5_PERM_LOCAL_READ |
|
|
|
|
MLX5_ACCESS_MODE_PA;
|
|
|
|
in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64);
|
|
|
|
in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8);
|
|
|
|
|
|
|
|
err = mlx5_core_create_mkey(mdev, mr, in, sizeof(*in), NULL, NULL,
|
|
|
|
NULL);
|
|
|
|
|
|
|
|
kvfree(in);
|
|
|
|
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *mlx5e_create_netdev(struct mlx5_core_dev *mdev)
|
|
|
|
{
|
|
|
|
struct net_device *netdev;
|
|
|
|
struct mlx5e_priv *priv;
|
|
|
|
int ncv = mdev->priv.eq_table.num_comp_vectors;
|
|
|
|
int err;
|
|
|
|
|
|
|
|
if (mlx5e_check_required_hca_cap(mdev))
|
|
|
|
return NULL;
|
|
|
|
|
|
|
|
netdev = alloc_etherdev_mqs(sizeof(struct mlx5e_priv),
|
|
|
|
roundup_pow_of_two(ncv) * MLX5E_MAX_NUM_TC,
|
|
|
|
ncv);
|
|
|
|
if (!netdev) {
|
|
|
|
mlx5_core_err(mdev, "alloc_etherdev_mqs() failed\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
mlx5e_build_netdev_priv(mdev, netdev, ncv);
|
|
|
|
mlx5e_build_netdev(netdev);
|
|
|
|
|
|
|
|
netif_carrier_off(netdev);
|
|
|
|
|
|
|
|
priv = netdev_priv(netdev);
|
|
|
|
|
|
|
|
err = mlx5_alloc_map_uar(mdev, &priv->cq_uar);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5_alloc_map_uar failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_free_netdev;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5_core_alloc_pd(mdev, &priv->pdn);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5_core_alloc_pd failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_unmap_free_uar;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = mlx5e_create_mkey(priv, priv->pdn, &priv->mr);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: mlx5e_create_mkey failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_dealloc_pd;
|
|
|
|
}
|
|
|
|
|
|
|
|
err = register_netdev(netdev);
|
|
|
|
if (err) {
|
|
|
|
netdev_err(netdev, "%s: register_netdev failed, %d\n",
|
|
|
|
__func__, err);
|
|
|
|
goto err_destroy_mkey;
|
|
|
|
}
|
|
|
|
|
|
|
|
mlx5e_enable_async_events(priv);
|
|
|
|
|
|
|
|
return priv;
|
|
|
|
|
|
|
|
err_destroy_mkey:
|
|
|
|
mlx5_core_destroy_mkey(mdev, &priv->mr);
|
|
|
|
|
|
|
|
err_dealloc_pd:
|
|
|
|
mlx5_core_dealloc_pd(mdev, priv->pdn);
|
|
|
|
|
|
|
|
err_unmap_free_uar:
|
|
|
|
mlx5_unmap_free_uar(mdev, &priv->cq_uar);
|
|
|
|
|
|
|
|
err_free_netdev:
|
|
|
|
free_netdev(netdev);
|
|
|
|
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, void *vpriv)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = vpriv;
|
|
|
|
struct net_device *netdev = priv->netdev;
|
|
|
|
|
|
|
|
unregister_netdev(netdev);
|
|
|
|
mlx5_core_destroy_mkey(priv->mdev, &priv->mr);
|
|
|
|
mlx5_core_dealloc_pd(priv->mdev, priv->pdn);
|
|
|
|
mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar);
|
|
|
|
mlx5e_disable_async_events(priv);
|
|
|
|
flush_scheduled_work();
|
|
|
|
free_netdev(netdev);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void *mlx5e_get_netdev(void *vpriv)
|
|
|
|
{
|
|
|
|
struct mlx5e_priv *priv = vpriv;
|
|
|
|
|
|
|
|
return priv->netdev;
|
|
|
|
}
|
|
|
|
|
|
|
|
static struct mlx5_interface mlx5e_interface = {
|
|
|
|
.add = mlx5e_create_netdev,
|
|
|
|
.remove = mlx5e_destroy_netdev,
|
|
|
|
.event = mlx5e_async_event,
|
|
|
|
.protocol = MLX5_INTERFACE_PROTOCOL_ETH,
|
|
|
|
.get_dev = mlx5e_get_netdev,
|
|
|
|
};
|
|
|
|
|
|
|
|
void mlx5e_init(void)
|
|
|
|
{
|
|
|
|
mlx5_register_interface(&mlx5e_interface);
|
|
|
|
}
|
|
|
|
|
|
|
|
void mlx5e_cleanup(void)
|
|
|
|
{
|
|
|
|
mlx5_unregister_interface(&mlx5e_interface);
|
|
|
|
}
|