1292 lines
34 KiB
C
1292 lines
34 KiB
C
/*
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* Copyright (c) 2016, 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 <generated/utsrelease.h>
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#include <linux/mlx5/fs.h>
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#include <net/switchdev.h>
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#include <net/pkt_cls.h>
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#include <net/act_api.h>
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#include <net/netevent.h>
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#include <net/arp.h>
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#include "eswitch.h"
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#include "en.h"
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#include "en_rep.h"
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#include "en_tc.h"
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#include "fs_core.h"
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#define MLX5E_REP_PARAMS_LOG_SQ_SIZE \
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max(0x6, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)
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#define MLX5E_REP_PARAMS_LOG_RQ_SIZE \
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max(0x6, MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)
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static const char mlx5e_rep_driver_name[] = "mlx5e_rep";
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static void mlx5e_rep_get_drvinfo(struct net_device *dev,
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struct ethtool_drvinfo *drvinfo)
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{
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strlcpy(drvinfo->driver, mlx5e_rep_driver_name,
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sizeof(drvinfo->driver));
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strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version));
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}
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static const struct counter_desc sw_rep_stats_desc[] = {
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{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_packets) },
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{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_bytes) },
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{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_packets) },
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{ MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_bytes) },
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};
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struct vport_stats {
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u64 vport_rx_packets;
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u64 vport_tx_packets;
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u64 vport_rx_bytes;
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u64 vport_tx_bytes;
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};
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static const struct counter_desc vport_rep_stats_desc[] = {
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{ MLX5E_DECLARE_STAT(struct vport_stats, vport_rx_packets) },
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{ MLX5E_DECLARE_STAT(struct vport_stats, vport_rx_bytes) },
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{ MLX5E_DECLARE_STAT(struct vport_stats, vport_tx_packets) },
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{ MLX5E_DECLARE_STAT(struct vport_stats, vport_tx_bytes) },
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};
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#define NUM_VPORT_REP_SW_COUNTERS ARRAY_SIZE(sw_rep_stats_desc)
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#define NUM_VPORT_REP_HW_COUNTERS ARRAY_SIZE(vport_rep_stats_desc)
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static void mlx5e_rep_get_strings(struct net_device *dev,
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u32 stringset, uint8_t *data)
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{
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int i, j;
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switch (stringset) {
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case ETH_SS_STATS:
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for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
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strcpy(data + (i * ETH_GSTRING_LEN),
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sw_rep_stats_desc[i].format);
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for (j = 0; j < NUM_VPORT_REP_HW_COUNTERS; j++, i++)
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strcpy(data + (i * ETH_GSTRING_LEN),
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vport_rep_stats_desc[j].format);
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break;
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}
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}
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static void mlx5e_rep_update_hw_counters(struct mlx5e_priv *priv)
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{
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struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
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struct mlx5e_rep_priv *rpriv = priv->ppriv;
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struct mlx5_eswitch_rep *rep = rpriv->rep;
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struct rtnl_link_stats64 *vport_stats;
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struct ifla_vf_stats vf_stats;
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int err;
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err = mlx5_eswitch_get_vport_stats(esw, rep->vport, &vf_stats);
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if (err) {
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pr_warn("vport %d error %d reading stats\n", rep->vport, err);
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return;
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}
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vport_stats = &priv->stats.vf_vport;
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/* flip tx/rx as we are reporting the counters for the switch vport */
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vport_stats->rx_packets = vf_stats.tx_packets;
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vport_stats->rx_bytes = vf_stats.tx_bytes;
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vport_stats->tx_packets = vf_stats.rx_packets;
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vport_stats->tx_bytes = vf_stats.rx_bytes;
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}
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static void mlx5e_rep_update_sw_counters(struct mlx5e_priv *priv)
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{
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struct mlx5e_sw_stats *s = &priv->stats.sw;
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struct mlx5e_rq_stats *rq_stats;
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struct mlx5e_sq_stats *sq_stats;
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int i, j;
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memset(s, 0, sizeof(*s));
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for (i = 0; i < priv->channels.num; i++) {
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struct mlx5e_channel *c = priv->channels.c[i];
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rq_stats = c->rq.stats;
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s->rx_packets += rq_stats->packets;
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s->rx_bytes += rq_stats->bytes;
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for (j = 0; j < priv->channels.params.num_tc; j++) {
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sq_stats = c->sq[j].stats;
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s->tx_packets += sq_stats->packets;
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s->tx_bytes += sq_stats->bytes;
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}
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}
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}
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static void mlx5e_rep_get_ethtool_stats(struct net_device *dev,
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struct ethtool_stats *stats, u64 *data)
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{
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struct mlx5e_priv *priv = netdev_priv(dev);
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int i, j;
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if (!data)
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return;
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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_rep_update_sw_counters(priv);
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mlx5e_rep_update_hw_counters(priv);
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mutex_unlock(&priv->state_lock);
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for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++)
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data[i] = MLX5E_READ_CTR64_CPU(&priv->stats.sw,
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sw_rep_stats_desc, i);
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for (j = 0; j < NUM_VPORT_REP_HW_COUNTERS; j++, i++)
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data[i] = MLX5E_READ_CTR64_CPU(&priv->stats.vf_vport,
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vport_rep_stats_desc, j);
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}
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static int mlx5e_rep_get_sset_count(struct net_device *dev, int sset)
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{
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switch (sset) {
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case ETH_SS_STATS:
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return NUM_VPORT_REP_SW_COUNTERS + NUM_VPORT_REP_HW_COUNTERS;
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default:
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return -EOPNOTSUPP;
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}
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}
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static const struct ethtool_ops mlx5e_rep_ethtool_ops = {
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.get_drvinfo = mlx5e_rep_get_drvinfo,
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.get_link = ethtool_op_get_link,
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.get_strings = mlx5e_rep_get_strings,
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.get_sset_count = mlx5e_rep_get_sset_count,
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.get_ethtool_stats = mlx5e_rep_get_ethtool_stats,
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};
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int mlx5e_attr_get(struct net_device *dev, struct switchdev_attr *attr)
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{
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struct mlx5e_priv *priv = netdev_priv(dev);
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struct mlx5e_rep_priv *rpriv = priv->ppriv;
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struct mlx5_eswitch_rep *rep = rpriv->rep;
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struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
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if (esw->mode == SRIOV_NONE)
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return -EOPNOTSUPP;
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switch (attr->id) {
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case SWITCHDEV_ATTR_ID_PORT_PARENT_ID:
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attr->u.ppid.id_len = ETH_ALEN;
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ether_addr_copy(attr->u.ppid.id, rep->hw_id);
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break;
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default:
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return -EOPNOTSUPP;
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}
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return 0;
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}
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static void mlx5e_sqs2vport_stop(struct mlx5_eswitch *esw,
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struct mlx5_eswitch_rep *rep)
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{
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struct mlx5e_rep_sq *rep_sq, *tmp;
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struct mlx5e_rep_priv *rpriv;
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if (esw->mode != SRIOV_OFFLOADS)
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return;
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rpriv = mlx5e_rep_to_rep_priv(rep);
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list_for_each_entry_safe(rep_sq, tmp, &rpriv->vport_sqs_list, list) {
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mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule);
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list_del(&rep_sq->list);
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kfree(rep_sq);
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}
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}
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static int mlx5e_sqs2vport_start(struct mlx5_eswitch *esw,
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struct mlx5_eswitch_rep *rep,
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u32 *sqns_array, int sqns_num)
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{
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struct mlx5_flow_handle *flow_rule;
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struct mlx5e_rep_priv *rpriv;
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struct mlx5e_rep_sq *rep_sq;
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int err;
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int i;
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if (esw->mode != SRIOV_OFFLOADS)
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return 0;
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rpriv = mlx5e_rep_to_rep_priv(rep);
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for (i = 0; i < sqns_num; i++) {
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rep_sq = kzalloc(sizeof(*rep_sq), GFP_KERNEL);
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if (!rep_sq) {
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err = -ENOMEM;
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goto out_err;
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}
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/* Add re-inject rule to the PF/representor sqs */
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flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw,
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rep->vport,
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sqns_array[i]);
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if (IS_ERR(flow_rule)) {
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err = PTR_ERR(flow_rule);
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kfree(rep_sq);
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goto out_err;
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}
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rep_sq->send_to_vport_rule = flow_rule;
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list_add(&rep_sq->list, &rpriv->vport_sqs_list);
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}
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return 0;
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out_err:
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mlx5e_sqs2vport_stop(esw, rep);
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return err;
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}
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int mlx5e_add_sqs_fwd_rules(struct mlx5e_priv *priv)
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{
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struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
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struct mlx5e_rep_priv *rpriv = priv->ppriv;
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struct mlx5_eswitch_rep *rep = rpriv->rep;
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struct mlx5e_channel *c;
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int n, tc, num_sqs = 0;
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int err = -ENOMEM;
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u32 *sqs;
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sqs = kcalloc(priv->channels.num * priv->channels.params.num_tc, sizeof(*sqs), GFP_KERNEL);
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if (!sqs)
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goto out;
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for (n = 0; n < priv->channels.num; n++) {
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c = priv->channels.c[n];
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for (tc = 0; tc < c->num_tc; tc++)
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sqs[num_sqs++] = c->sq[tc].sqn;
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}
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err = mlx5e_sqs2vport_start(esw, rep, sqs, num_sqs);
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kfree(sqs);
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out:
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if (err)
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netdev_warn(priv->netdev, "Failed to add SQs FWD rules %d\n", err);
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return err;
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}
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void mlx5e_remove_sqs_fwd_rules(struct mlx5e_priv *priv)
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{
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struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
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struct mlx5e_rep_priv *rpriv = priv->ppriv;
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struct mlx5_eswitch_rep *rep = rpriv->rep;
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mlx5e_sqs2vport_stop(esw, rep);
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}
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static void mlx5e_rep_neigh_update_init_interval(struct mlx5e_rep_priv *rpriv)
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{
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#if IS_ENABLED(CONFIG_IPV6)
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unsigned long ipv6_interval = NEIGH_VAR(&nd_tbl.parms,
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DELAY_PROBE_TIME);
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#else
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unsigned long ipv6_interval = ~0UL;
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#endif
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unsigned long ipv4_interval = NEIGH_VAR(&arp_tbl.parms,
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DELAY_PROBE_TIME);
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struct net_device *netdev = rpriv->netdev;
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struct mlx5e_priv *priv = netdev_priv(netdev);
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rpriv->neigh_update.min_interval = min_t(unsigned long, ipv6_interval, ipv4_interval);
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mlx5_fc_update_sampling_interval(priv->mdev, rpriv->neigh_update.min_interval);
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}
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void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv)
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{
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struct mlx5e_rep_priv *rpriv = priv->ppriv;
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struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
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mlx5_fc_queue_stats_work(priv->mdev,
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&neigh_update->neigh_stats_work,
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neigh_update->min_interval);
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}
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static void mlx5e_rep_neigh_stats_work(struct work_struct *work)
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{
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struct mlx5e_rep_priv *rpriv = container_of(work, struct mlx5e_rep_priv,
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neigh_update.neigh_stats_work.work);
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struct net_device *netdev = rpriv->netdev;
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struct mlx5e_priv *priv = netdev_priv(netdev);
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struct mlx5e_neigh_hash_entry *nhe;
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rtnl_lock();
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if (!list_empty(&rpriv->neigh_update.neigh_list))
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mlx5e_rep_queue_neigh_stats_work(priv);
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list_for_each_entry(nhe, &rpriv->neigh_update.neigh_list, neigh_list)
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mlx5e_tc_update_neigh_used_value(nhe);
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rtnl_unlock();
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}
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static void mlx5e_rep_neigh_entry_hold(struct mlx5e_neigh_hash_entry *nhe)
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{
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refcount_inc(&nhe->refcnt);
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}
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static void mlx5e_rep_neigh_entry_release(struct mlx5e_neigh_hash_entry *nhe)
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{
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if (refcount_dec_and_test(&nhe->refcnt))
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kfree(nhe);
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}
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static void mlx5e_rep_update_flows(struct mlx5e_priv *priv,
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struct mlx5e_encap_entry *e,
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bool neigh_connected,
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unsigned char ha[ETH_ALEN])
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{
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struct ethhdr *eth = (struct ethhdr *)e->encap_header;
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ASSERT_RTNL();
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if ((!neigh_connected && (e->flags & MLX5_ENCAP_ENTRY_VALID)) ||
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!ether_addr_equal(e->h_dest, ha))
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mlx5e_tc_encap_flows_del(priv, e);
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if (neigh_connected && !(e->flags & MLX5_ENCAP_ENTRY_VALID)) {
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ether_addr_copy(e->h_dest, ha);
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ether_addr_copy(eth->h_dest, ha);
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mlx5e_tc_encap_flows_add(priv, e);
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}
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}
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static void mlx5e_rep_neigh_update(struct work_struct *work)
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{
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struct mlx5e_neigh_hash_entry *nhe =
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container_of(work, struct mlx5e_neigh_hash_entry, neigh_update_work);
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struct neighbour *n = nhe->n;
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struct mlx5e_encap_entry *e;
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unsigned char ha[ETH_ALEN];
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struct mlx5e_priv *priv;
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bool neigh_connected;
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bool encap_connected;
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u8 nud_state, dead;
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rtnl_lock();
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|
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/* If these parameters are changed after we release the lock,
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* we'll receive another event letting us know about it.
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* We use this lock to avoid inconsistency between the neigh validity
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* and it's hw address.
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*/
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read_lock_bh(&n->lock);
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memcpy(ha, n->ha, ETH_ALEN);
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nud_state = n->nud_state;
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dead = n->dead;
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read_unlock_bh(&n->lock);
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neigh_connected = (nud_state & NUD_VALID) && !dead;
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list_for_each_entry(e, &nhe->encap_list, encap_list) {
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encap_connected = !!(e->flags & MLX5_ENCAP_ENTRY_VALID);
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priv = netdev_priv(e->out_dev);
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|
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if (encap_connected != neigh_connected ||
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!ether_addr_equal(e->h_dest, ha))
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mlx5e_rep_update_flows(priv, e, neigh_connected, ha);
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}
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mlx5e_rep_neigh_entry_release(nhe);
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rtnl_unlock();
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neigh_release(n);
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}
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static struct mlx5e_neigh_hash_entry *
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mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv,
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struct mlx5e_neigh *m_neigh);
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|
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static int mlx5e_rep_netevent_event(struct notifier_block *nb,
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unsigned long event, void *ptr)
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{
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struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv,
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neigh_update.netevent_nb);
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struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
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struct net_device *netdev = rpriv->netdev;
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struct mlx5e_priv *priv = netdev_priv(netdev);
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struct mlx5e_neigh_hash_entry *nhe = NULL;
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struct mlx5e_neigh m_neigh = {};
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struct neigh_parms *p;
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struct neighbour *n;
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bool found = false;
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|
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switch (event) {
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case NETEVENT_NEIGH_UPDATE:
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n = ptr;
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#if IS_ENABLED(CONFIG_IPV6)
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|
if (n->tbl != &nd_tbl && n->tbl != &arp_tbl)
|
|
#else
|
|
if (n->tbl != &arp_tbl)
|
|
#endif
|
|
return NOTIFY_DONE;
|
|
|
|
m_neigh.dev = n->dev;
|
|
m_neigh.family = n->ops->family;
|
|
memcpy(&m_neigh.dst_ip, n->primary_key, n->tbl->key_len);
|
|
|
|
/* We are in atomic context and can't take RTNL mutex, so use
|
|
* spin_lock_bh to lookup the neigh table. bh is used since
|
|
* netevent can be called from a softirq context.
|
|
*/
|
|
spin_lock_bh(&neigh_update->encap_lock);
|
|
nhe = mlx5e_rep_neigh_entry_lookup(priv, &m_neigh);
|
|
if (!nhe) {
|
|
spin_unlock_bh(&neigh_update->encap_lock);
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
/* This assignment is valid as long as the the neigh reference
|
|
* is taken
|
|
*/
|
|
nhe->n = n;
|
|
|
|
/* Take a reference to ensure the neighbour and mlx5 encap
|
|
* entry won't be destructed until we drop the reference in
|
|
* delayed work.
|
|
*/
|
|
neigh_hold(n);
|
|
mlx5e_rep_neigh_entry_hold(nhe);
|
|
|
|
if (!queue_work(priv->wq, &nhe->neigh_update_work)) {
|
|
mlx5e_rep_neigh_entry_release(nhe);
|
|
neigh_release(n);
|
|
}
|
|
spin_unlock_bh(&neigh_update->encap_lock);
|
|
break;
|
|
|
|
case NETEVENT_DELAY_PROBE_TIME_UPDATE:
|
|
p = ptr;
|
|
|
|
/* We check the device is present since we don't care about
|
|
* changes in the default table, we only care about changes
|
|
* done per device delay prob time parameter.
|
|
*/
|
|
#if IS_ENABLED(CONFIG_IPV6)
|
|
if (!p->dev || (p->tbl != &nd_tbl && p->tbl != &arp_tbl))
|
|
#else
|
|
if (!p->dev || p->tbl != &arp_tbl)
|
|
#endif
|
|
return NOTIFY_DONE;
|
|
|
|
/* We are in atomic context and can't take RTNL mutex,
|
|
* so use spin_lock_bh to walk the neigh list and look for
|
|
* the relevant device. bh is used since netevent can be
|
|
* called from a softirq context.
|
|
*/
|
|
spin_lock_bh(&neigh_update->encap_lock);
|
|
list_for_each_entry(nhe, &neigh_update->neigh_list, neigh_list) {
|
|
if (p->dev == nhe->m_neigh.dev) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
spin_unlock_bh(&neigh_update->encap_lock);
|
|
if (!found)
|
|
return NOTIFY_DONE;
|
|
|
|
neigh_update->min_interval = min_t(unsigned long,
|
|
NEIGH_VAR(p, DELAY_PROBE_TIME),
|
|
neigh_update->min_interval);
|
|
mlx5_fc_update_sampling_interval(priv->mdev,
|
|
neigh_update->min_interval);
|
|
break;
|
|
}
|
|
return NOTIFY_DONE;
|
|
}
|
|
|
|
static const struct rhashtable_params mlx5e_neigh_ht_params = {
|
|
.head_offset = offsetof(struct mlx5e_neigh_hash_entry, rhash_node),
|
|
.key_offset = offsetof(struct mlx5e_neigh_hash_entry, m_neigh),
|
|
.key_len = sizeof(struct mlx5e_neigh),
|
|
.automatic_shrinking = true,
|
|
};
|
|
|
|
static int mlx5e_rep_neigh_init(struct mlx5e_rep_priv *rpriv)
|
|
{
|
|
struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
|
|
int err;
|
|
|
|
err = rhashtable_init(&neigh_update->neigh_ht, &mlx5e_neigh_ht_params);
|
|
if (err)
|
|
return err;
|
|
|
|
INIT_LIST_HEAD(&neigh_update->neigh_list);
|
|
spin_lock_init(&neigh_update->encap_lock);
|
|
INIT_DELAYED_WORK(&neigh_update->neigh_stats_work,
|
|
mlx5e_rep_neigh_stats_work);
|
|
mlx5e_rep_neigh_update_init_interval(rpriv);
|
|
|
|
rpriv->neigh_update.netevent_nb.notifier_call = mlx5e_rep_netevent_event;
|
|
err = register_netevent_notifier(&rpriv->neigh_update.netevent_nb);
|
|
if (err)
|
|
goto out_err;
|
|
return 0;
|
|
|
|
out_err:
|
|
rhashtable_destroy(&neigh_update->neigh_ht);
|
|
return err;
|
|
}
|
|
|
|
static void mlx5e_rep_neigh_cleanup(struct mlx5e_rep_priv *rpriv)
|
|
{
|
|
struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
|
|
struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
|
|
|
|
unregister_netevent_notifier(&neigh_update->netevent_nb);
|
|
|
|
flush_workqueue(priv->wq); /* flush neigh update works */
|
|
|
|
cancel_delayed_work_sync(&rpriv->neigh_update.neigh_stats_work);
|
|
|
|
rhashtable_destroy(&neigh_update->neigh_ht);
|
|
}
|
|
|
|
static int mlx5e_rep_neigh_entry_insert(struct mlx5e_priv *priv,
|
|
struct mlx5e_neigh_hash_entry *nhe)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
int err;
|
|
|
|
err = rhashtable_insert_fast(&rpriv->neigh_update.neigh_ht,
|
|
&nhe->rhash_node,
|
|
mlx5e_neigh_ht_params);
|
|
if (err)
|
|
return err;
|
|
|
|
list_add(&nhe->neigh_list, &rpriv->neigh_update.neigh_list);
|
|
|
|
return err;
|
|
}
|
|
|
|
static void mlx5e_rep_neigh_entry_remove(struct mlx5e_priv *priv,
|
|
struct mlx5e_neigh_hash_entry *nhe)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
|
|
spin_lock_bh(&rpriv->neigh_update.encap_lock);
|
|
|
|
list_del(&nhe->neigh_list);
|
|
|
|
rhashtable_remove_fast(&rpriv->neigh_update.neigh_ht,
|
|
&nhe->rhash_node,
|
|
mlx5e_neigh_ht_params);
|
|
spin_unlock_bh(&rpriv->neigh_update.encap_lock);
|
|
}
|
|
|
|
/* This function must only be called under RTNL lock or under the
|
|
* representor's encap_lock in case RTNL mutex can't be held.
|
|
*/
|
|
static struct mlx5e_neigh_hash_entry *
|
|
mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv,
|
|
struct mlx5e_neigh *m_neigh)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update;
|
|
|
|
return rhashtable_lookup_fast(&neigh_update->neigh_ht, m_neigh,
|
|
mlx5e_neigh_ht_params);
|
|
}
|
|
|
|
static int mlx5e_rep_neigh_entry_create(struct mlx5e_priv *priv,
|
|
struct mlx5e_encap_entry *e,
|
|
struct mlx5e_neigh_hash_entry **nhe)
|
|
{
|
|
int err;
|
|
|
|
*nhe = kzalloc(sizeof(**nhe), GFP_KERNEL);
|
|
if (!*nhe)
|
|
return -ENOMEM;
|
|
|
|
memcpy(&(*nhe)->m_neigh, &e->m_neigh, sizeof(e->m_neigh));
|
|
INIT_WORK(&(*nhe)->neigh_update_work, mlx5e_rep_neigh_update);
|
|
INIT_LIST_HEAD(&(*nhe)->encap_list);
|
|
refcount_set(&(*nhe)->refcnt, 1);
|
|
|
|
err = mlx5e_rep_neigh_entry_insert(priv, *nhe);
|
|
if (err)
|
|
goto out_free;
|
|
return 0;
|
|
|
|
out_free:
|
|
kfree(*nhe);
|
|
return err;
|
|
}
|
|
|
|
static void mlx5e_rep_neigh_entry_destroy(struct mlx5e_priv *priv,
|
|
struct mlx5e_neigh_hash_entry *nhe)
|
|
{
|
|
/* The neigh hash entry must be removed from the hash table regardless
|
|
* of the reference count value, so it won't be found by the next
|
|
* neigh notification call. The neigh hash entry reference count is
|
|
* incremented only during creation and neigh notification calls and
|
|
* protects from freeing the nhe struct.
|
|
*/
|
|
mlx5e_rep_neigh_entry_remove(priv, nhe);
|
|
mlx5e_rep_neigh_entry_release(nhe);
|
|
}
|
|
|
|
int mlx5e_rep_encap_entry_attach(struct mlx5e_priv *priv,
|
|
struct mlx5e_encap_entry *e)
|
|
{
|
|
struct mlx5e_neigh_hash_entry *nhe;
|
|
int err;
|
|
|
|
nhe = mlx5e_rep_neigh_entry_lookup(priv, &e->m_neigh);
|
|
if (!nhe) {
|
|
err = mlx5e_rep_neigh_entry_create(priv, e, &nhe);
|
|
if (err)
|
|
return err;
|
|
}
|
|
list_add(&e->encap_list, &nhe->encap_list);
|
|
return 0;
|
|
}
|
|
|
|
void mlx5e_rep_encap_entry_detach(struct mlx5e_priv *priv,
|
|
struct mlx5e_encap_entry *e)
|
|
{
|
|
struct mlx5e_neigh_hash_entry *nhe;
|
|
|
|
list_del(&e->encap_list);
|
|
nhe = mlx5e_rep_neigh_entry_lookup(priv, &e->m_neigh);
|
|
|
|
if (list_empty(&nhe->encap_list))
|
|
mlx5e_rep_neigh_entry_destroy(priv, nhe);
|
|
}
|
|
|
|
static int mlx5e_rep_open(struct net_device *dev)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5_eswitch_rep *rep = rpriv->rep;
|
|
int err;
|
|
|
|
mutex_lock(&priv->state_lock);
|
|
err = mlx5e_open_locked(dev);
|
|
if (err)
|
|
goto unlock;
|
|
|
|
if (!mlx5_modify_vport_admin_state(priv->mdev,
|
|
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
|
|
rep->vport, MLX5_ESW_VPORT_ADMIN_STATE_UP))
|
|
netif_carrier_on(dev);
|
|
|
|
unlock:
|
|
mutex_unlock(&priv->state_lock);
|
|
return err;
|
|
}
|
|
|
|
static int mlx5e_rep_close(struct net_device *dev)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5_eswitch_rep *rep = rpriv->rep;
|
|
int ret;
|
|
|
|
mutex_lock(&priv->state_lock);
|
|
mlx5_modify_vport_admin_state(priv->mdev,
|
|
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
|
|
rep->vport, MLX5_ESW_VPORT_ADMIN_STATE_DOWN);
|
|
ret = mlx5e_close_locked(dev);
|
|
mutex_unlock(&priv->state_lock);
|
|
return ret;
|
|
}
|
|
|
|
static int mlx5e_rep_get_phys_port_name(struct net_device *dev,
|
|
char *buf, size_t len)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5_eswitch_rep *rep = rpriv->rep;
|
|
int ret;
|
|
|
|
ret = snprintf(buf, len, "%d", rep->vport - 1);
|
|
if (ret >= len)
|
|
return -EOPNOTSUPP;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mlx5e_rep_setup_tc_cls_flower(struct mlx5e_priv *priv,
|
|
struct tc_cls_flower_offload *cls_flower, int flags)
|
|
{
|
|
switch (cls_flower->command) {
|
|
case TC_CLSFLOWER_REPLACE:
|
|
return mlx5e_configure_flower(priv, cls_flower, flags);
|
|
case TC_CLSFLOWER_DESTROY:
|
|
return mlx5e_delete_flower(priv, cls_flower, flags);
|
|
case TC_CLSFLOWER_STATS:
|
|
return mlx5e_stats_flower(priv, cls_flower, flags);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static int mlx5e_rep_setup_tc_cb_egdev(enum tc_setup_type type, void *type_data,
|
|
void *cb_priv)
|
|
{
|
|
struct mlx5e_priv *priv = cb_priv;
|
|
|
|
if (!tc_cls_can_offload_and_chain0(priv->netdev, type_data))
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (type) {
|
|
case TC_SETUP_CLSFLOWER:
|
|
return mlx5e_rep_setup_tc_cls_flower(priv, type_data, MLX5E_TC_EGRESS);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static int mlx5e_rep_setup_tc_cb(enum tc_setup_type type, void *type_data,
|
|
void *cb_priv)
|
|
{
|
|
struct mlx5e_priv *priv = cb_priv;
|
|
|
|
if (!tc_cls_can_offload_and_chain0(priv->netdev, type_data))
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (type) {
|
|
case TC_SETUP_CLSFLOWER:
|
|
return mlx5e_rep_setup_tc_cls_flower(priv, type_data, MLX5E_TC_INGRESS);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static int mlx5e_rep_setup_tc_block(struct net_device *dev,
|
|
struct tc_block_offload *f)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
|
|
if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
|
|
return -EOPNOTSUPP;
|
|
|
|
switch (f->command) {
|
|
case TC_BLOCK_BIND:
|
|
return tcf_block_cb_register(f->block, mlx5e_rep_setup_tc_cb,
|
|
priv, priv);
|
|
case TC_BLOCK_UNBIND:
|
|
tcf_block_cb_unregister(f->block, mlx5e_rep_setup_tc_cb, priv);
|
|
return 0;
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
static int mlx5e_rep_setup_tc(struct net_device *dev, enum tc_setup_type type,
|
|
void *type_data)
|
|
{
|
|
switch (type) {
|
|
case TC_SETUP_BLOCK:
|
|
return mlx5e_rep_setup_tc_block(dev, type_data);
|
|
default:
|
|
return -EOPNOTSUPP;
|
|
}
|
|
}
|
|
|
|
bool mlx5e_is_uplink_rep(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5_eswitch_rep *rep;
|
|
|
|
if (!MLX5_ESWITCH_MANAGER(priv->mdev))
|
|
return false;
|
|
|
|
rep = rpriv->rep;
|
|
if (esw->mode == SRIOV_OFFLOADS &&
|
|
rep && rep->vport == FDB_UPLINK_VPORT)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
static bool mlx5e_is_vf_vport_rep(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5_eswitch_rep *rep;
|
|
|
|
if (!MLX5_ESWITCH_MANAGER(priv->mdev))
|
|
return false;
|
|
|
|
rep = rpriv->rep;
|
|
if (rep && rep->vport != FDB_UPLINK_VPORT)
|
|
return true;
|
|
|
|
return false;
|
|
}
|
|
|
|
bool mlx5e_has_offload_stats(const struct net_device *dev, int attr_id)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
|
|
switch (attr_id) {
|
|
case IFLA_OFFLOAD_XSTATS_CPU_HIT:
|
|
if (mlx5e_is_vf_vport_rep(priv) || mlx5e_is_uplink_rep(priv))
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
static int
|
|
mlx5e_get_sw_stats64(const struct net_device *dev,
|
|
struct rtnl_link_stats64 *stats)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
struct mlx5e_sw_stats *sstats = &priv->stats.sw;
|
|
|
|
mlx5e_rep_update_sw_counters(priv);
|
|
|
|
stats->rx_packets = sstats->rx_packets;
|
|
stats->rx_bytes = sstats->rx_bytes;
|
|
stats->tx_packets = sstats->tx_packets;
|
|
stats->tx_bytes = sstats->tx_bytes;
|
|
|
|
stats->tx_dropped = sstats->tx_queue_dropped;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int mlx5e_get_offload_stats(int attr_id, const struct net_device *dev,
|
|
void *sp)
|
|
{
|
|
switch (attr_id) {
|
|
case IFLA_OFFLOAD_XSTATS_CPU_HIT:
|
|
return mlx5e_get_sw_stats64(dev, sp);
|
|
}
|
|
|
|
return -EINVAL;
|
|
}
|
|
|
|
static void
|
|
mlx5e_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(dev);
|
|
|
|
memcpy(stats, &priv->stats.vf_vport, sizeof(*stats));
|
|
}
|
|
|
|
static const struct switchdev_ops mlx5e_rep_switchdev_ops = {
|
|
.switchdev_port_attr_get = mlx5e_attr_get,
|
|
};
|
|
|
|
static int mlx5e_change_rep_mtu(struct net_device *netdev, int new_mtu)
|
|
{
|
|
return mlx5e_change_mtu(netdev, new_mtu, NULL);
|
|
}
|
|
|
|
static const struct net_device_ops mlx5e_netdev_ops_rep = {
|
|
.ndo_open = mlx5e_rep_open,
|
|
.ndo_stop = mlx5e_rep_close,
|
|
.ndo_start_xmit = mlx5e_xmit,
|
|
.ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name,
|
|
.ndo_setup_tc = mlx5e_rep_setup_tc,
|
|
.ndo_get_stats64 = mlx5e_rep_get_stats,
|
|
.ndo_has_offload_stats = mlx5e_has_offload_stats,
|
|
.ndo_get_offload_stats = mlx5e_get_offload_stats,
|
|
.ndo_change_mtu = mlx5e_change_rep_mtu,
|
|
};
|
|
|
|
static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev,
|
|
struct mlx5e_params *params, u16 mtu)
|
|
{
|
|
u8 cq_period_mode = MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ?
|
|
MLX5_CQ_PERIOD_MODE_START_FROM_CQE :
|
|
MLX5_CQ_PERIOD_MODE_START_FROM_EQE;
|
|
|
|
params->hard_mtu = MLX5E_ETH_HARD_MTU;
|
|
params->sw_mtu = mtu;
|
|
params->log_sq_size = MLX5E_REP_PARAMS_LOG_SQ_SIZE;
|
|
params->rq_wq_type = MLX5_WQ_TYPE_CYCLIC;
|
|
params->log_rq_mtu_frames = MLX5E_REP_PARAMS_LOG_RQ_SIZE;
|
|
|
|
params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);
|
|
mlx5e_set_rx_cq_mode_params(params, cq_period_mode);
|
|
|
|
params->num_tc = 1;
|
|
params->lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;
|
|
|
|
mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode);
|
|
}
|
|
|
|
static void mlx5e_build_rep_netdev(struct net_device *netdev)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
u16 max_mtu;
|
|
|
|
netdev->netdev_ops = &mlx5e_netdev_ops_rep;
|
|
|
|
netdev->watchdog_timeo = 15 * HZ;
|
|
|
|
netdev->ethtool_ops = &mlx5e_rep_ethtool_ops;
|
|
|
|
netdev->switchdev_ops = &mlx5e_rep_switchdev_ops;
|
|
|
|
netdev->features |= NETIF_F_VLAN_CHALLENGED | NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL;
|
|
netdev->hw_features |= NETIF_F_HW_TC;
|
|
|
|
eth_hw_addr_random(netdev);
|
|
|
|
netdev->min_mtu = ETH_MIN_MTU;
|
|
mlx5_query_port_max_mtu(mdev, &max_mtu, 1);
|
|
netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu);
|
|
}
|
|
|
|
static void mlx5e_init_rep(struct mlx5_core_dev *mdev,
|
|
struct net_device *netdev,
|
|
const struct mlx5e_profile *profile,
|
|
void *ppriv)
|
|
{
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
|
|
priv->mdev = mdev;
|
|
priv->netdev = netdev;
|
|
priv->profile = profile;
|
|
priv->ppriv = ppriv;
|
|
|
|
mutex_init(&priv->state_lock);
|
|
|
|
INIT_DELAYED_WORK(&priv->update_stats_work, mlx5e_update_stats_work);
|
|
|
|
priv->channels.params.num_channels = profile->max_nch(mdev);
|
|
|
|
mlx5e_build_rep_params(mdev, &priv->channels.params, netdev->mtu);
|
|
mlx5e_build_rep_netdev(netdev);
|
|
|
|
mlx5e_timestamp_init(priv);
|
|
}
|
|
|
|
static int mlx5e_init_rep_rx(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5_eswitch *esw = priv->mdev->priv.eswitch;
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
struct mlx5_eswitch_rep *rep = rpriv->rep;
|
|
struct mlx5_flow_handle *flow_rule;
|
|
int err;
|
|
|
|
mlx5e_init_l2_addr(priv);
|
|
|
|
err = mlx5e_create_direct_rqts(priv);
|
|
if (err)
|
|
return err;
|
|
|
|
err = mlx5e_create_direct_tirs(priv);
|
|
if (err)
|
|
goto err_destroy_direct_rqts;
|
|
|
|
flow_rule = mlx5_eswitch_create_vport_rx_rule(esw,
|
|
rep->vport,
|
|
priv->direct_tir[0].tirn);
|
|
if (IS_ERR(flow_rule)) {
|
|
err = PTR_ERR(flow_rule);
|
|
goto err_destroy_direct_tirs;
|
|
}
|
|
rpriv->vport_rx_rule = flow_rule;
|
|
|
|
return 0;
|
|
|
|
err_destroy_direct_tirs:
|
|
mlx5e_destroy_direct_tirs(priv);
|
|
err_destroy_direct_rqts:
|
|
mlx5e_destroy_direct_rqts(priv);
|
|
return err;
|
|
}
|
|
|
|
static void mlx5e_cleanup_rep_rx(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = priv->ppriv;
|
|
|
|
mlx5_del_flow_rules(rpriv->vport_rx_rule);
|
|
mlx5e_destroy_direct_tirs(priv);
|
|
mlx5e_destroy_direct_rqts(priv);
|
|
}
|
|
|
|
static int mlx5e_init_rep_tx(struct mlx5e_priv *priv)
|
|
{
|
|
int err;
|
|
|
|
err = mlx5e_create_tises(priv);
|
|
if (err) {
|
|
mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err);
|
|
return err;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int mlx5e_get_rep_max_num_channels(struct mlx5_core_dev *mdev)
|
|
{
|
|
#define MLX5E_PORT_REPRESENTOR_NCH 1
|
|
return MLX5E_PORT_REPRESENTOR_NCH;
|
|
}
|
|
|
|
static const struct mlx5e_profile mlx5e_rep_profile = {
|
|
.init = mlx5e_init_rep,
|
|
.init_rx = mlx5e_init_rep_rx,
|
|
.cleanup_rx = mlx5e_cleanup_rep_rx,
|
|
.init_tx = mlx5e_init_rep_tx,
|
|
.cleanup_tx = mlx5e_cleanup_nic_tx,
|
|
.update_stats = mlx5e_rep_update_hw_counters,
|
|
.max_nch = mlx5e_get_rep_max_num_channels,
|
|
.update_carrier = NULL,
|
|
.rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep,
|
|
.rx_handlers.handle_rx_cqe_mpwqe = NULL /* Not supported */,
|
|
.max_tc = 1,
|
|
};
|
|
|
|
/* e-Switch vport representors */
|
|
|
|
static int
|
|
mlx5e_nic_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
|
|
struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
|
|
|
|
int err;
|
|
|
|
if (test_bit(MLX5E_STATE_OPENED, &priv->state)) {
|
|
err = mlx5e_add_sqs_fwd_rules(priv);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
err = mlx5e_rep_neigh_init(rpriv);
|
|
if (err)
|
|
goto err_remove_sqs;
|
|
|
|
/* init shared tc flow table */
|
|
err = mlx5e_tc_esw_init(&rpriv->tc_ht);
|
|
if (err)
|
|
goto err_neigh_cleanup;
|
|
|
|
return 0;
|
|
|
|
err_neigh_cleanup:
|
|
mlx5e_rep_neigh_cleanup(rpriv);
|
|
err_remove_sqs:
|
|
mlx5e_remove_sqs_fwd_rules(priv);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlx5e_nic_rep_unload(struct mlx5_eswitch_rep *rep)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
|
|
struct mlx5e_priv *priv = netdev_priv(rpriv->netdev);
|
|
|
|
if (test_bit(MLX5E_STATE_OPENED, &priv->state))
|
|
mlx5e_remove_sqs_fwd_rules(priv);
|
|
|
|
/* clean uplink offloaded TC rules, delete shared tc flow table */
|
|
mlx5e_tc_esw_cleanup(&rpriv->tc_ht);
|
|
|
|
mlx5e_rep_neigh_cleanup(rpriv);
|
|
}
|
|
|
|
static int
|
|
mlx5e_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep)
|
|
{
|
|
struct mlx5e_rep_priv *uplink_rpriv;
|
|
struct mlx5e_rep_priv *rpriv;
|
|
struct net_device *netdev;
|
|
struct mlx5e_priv *upriv;
|
|
int err;
|
|
|
|
rpriv = kzalloc(sizeof(*rpriv), GFP_KERNEL);
|
|
if (!rpriv)
|
|
return -ENOMEM;
|
|
|
|
netdev = mlx5e_create_netdev(dev, &mlx5e_rep_profile, rpriv);
|
|
if (!netdev) {
|
|
pr_warn("Failed to create representor netdev for vport %d\n",
|
|
rep->vport);
|
|
kfree(rpriv);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rpriv->netdev = netdev;
|
|
rpriv->rep = rep;
|
|
rep->rep_if[REP_ETH].priv = rpriv;
|
|
INIT_LIST_HEAD(&rpriv->vport_sqs_list);
|
|
|
|
err = mlx5e_attach_netdev(netdev_priv(netdev));
|
|
if (err) {
|
|
pr_warn("Failed to attach representor netdev for vport %d\n",
|
|
rep->vport);
|
|
goto err_destroy_netdev;
|
|
}
|
|
|
|
err = mlx5e_rep_neigh_init(rpriv);
|
|
if (err) {
|
|
pr_warn("Failed to initialized neighbours handling for vport %d\n",
|
|
rep->vport);
|
|
goto err_detach_netdev;
|
|
}
|
|
|
|
uplink_rpriv = mlx5_eswitch_get_uplink_priv(dev->priv.eswitch, REP_ETH);
|
|
upriv = netdev_priv(uplink_rpriv->netdev);
|
|
err = tc_setup_cb_egdev_register(netdev, mlx5e_rep_setup_tc_cb_egdev,
|
|
upriv);
|
|
if (err)
|
|
goto err_neigh_cleanup;
|
|
|
|
err = register_netdev(netdev);
|
|
if (err) {
|
|
pr_warn("Failed to register representor netdev for vport %d\n",
|
|
rep->vport);
|
|
goto err_egdev_cleanup;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_egdev_cleanup:
|
|
tc_setup_cb_egdev_unregister(netdev, mlx5e_rep_setup_tc_cb_egdev,
|
|
upriv);
|
|
|
|
err_neigh_cleanup:
|
|
mlx5e_rep_neigh_cleanup(rpriv);
|
|
|
|
err_detach_netdev:
|
|
mlx5e_detach_netdev(netdev_priv(netdev));
|
|
|
|
err_destroy_netdev:
|
|
mlx5e_destroy_netdev(netdev_priv(netdev));
|
|
kfree(rpriv);
|
|
return err;
|
|
}
|
|
|
|
static void
|
|
mlx5e_vport_rep_unload(struct mlx5_eswitch_rep *rep)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv = mlx5e_rep_to_rep_priv(rep);
|
|
struct net_device *netdev = rpriv->netdev;
|
|
struct mlx5e_priv *priv = netdev_priv(netdev);
|
|
struct mlx5e_rep_priv *uplink_rpriv;
|
|
void *ppriv = priv->ppriv;
|
|
struct mlx5e_priv *upriv;
|
|
|
|
unregister_netdev(netdev);
|
|
uplink_rpriv = mlx5_eswitch_get_uplink_priv(priv->mdev->priv.eswitch,
|
|
REP_ETH);
|
|
upriv = netdev_priv(uplink_rpriv->netdev);
|
|
tc_setup_cb_egdev_unregister(netdev, mlx5e_rep_setup_tc_cb_egdev,
|
|
upriv);
|
|
mlx5e_rep_neigh_cleanup(rpriv);
|
|
mlx5e_detach_netdev(priv);
|
|
mlx5e_destroy_netdev(priv);
|
|
kfree(ppriv); /* mlx5e_rep_priv */
|
|
}
|
|
|
|
static void *mlx5e_vport_rep_get_proto_dev(struct mlx5_eswitch_rep *rep)
|
|
{
|
|
struct mlx5e_rep_priv *rpriv;
|
|
|
|
rpriv = mlx5e_rep_to_rep_priv(rep);
|
|
|
|
return rpriv->netdev;
|
|
}
|
|
|
|
static void mlx5e_rep_register_vf_vports(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
struct mlx5_eswitch *esw = mdev->priv.eswitch;
|
|
int total_vfs = MLX5_TOTAL_VPORTS(mdev);
|
|
int vport;
|
|
|
|
for (vport = 1; vport < total_vfs; vport++) {
|
|
struct mlx5_eswitch_rep_if rep_if = {};
|
|
|
|
rep_if.load = mlx5e_vport_rep_load;
|
|
rep_if.unload = mlx5e_vport_rep_unload;
|
|
rep_if.get_proto_dev = mlx5e_vport_rep_get_proto_dev;
|
|
mlx5_eswitch_register_vport_rep(esw, vport, &rep_if, REP_ETH);
|
|
}
|
|
}
|
|
|
|
static void mlx5e_rep_unregister_vf_vports(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
struct mlx5_eswitch *esw = mdev->priv.eswitch;
|
|
int total_vfs = MLX5_TOTAL_VPORTS(mdev);
|
|
int vport;
|
|
|
|
for (vport = 1; vport < total_vfs; vport++)
|
|
mlx5_eswitch_unregister_vport_rep(esw, vport, REP_ETH);
|
|
}
|
|
|
|
void mlx5e_register_vport_reps(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
struct mlx5_eswitch *esw = mdev->priv.eswitch;
|
|
struct mlx5_eswitch_rep_if rep_if;
|
|
struct mlx5e_rep_priv *rpriv;
|
|
|
|
rpriv = priv->ppriv;
|
|
rpriv->netdev = priv->netdev;
|
|
|
|
rep_if.load = mlx5e_nic_rep_load;
|
|
rep_if.unload = mlx5e_nic_rep_unload;
|
|
rep_if.get_proto_dev = mlx5e_vport_rep_get_proto_dev;
|
|
rep_if.priv = rpriv;
|
|
INIT_LIST_HEAD(&rpriv->vport_sqs_list);
|
|
mlx5_eswitch_register_vport_rep(esw, 0, &rep_if, REP_ETH); /* UPLINK PF vport*/
|
|
|
|
mlx5e_rep_register_vf_vports(priv); /* VFs vports */
|
|
}
|
|
|
|
void mlx5e_unregister_vport_reps(struct mlx5e_priv *priv)
|
|
{
|
|
struct mlx5_core_dev *mdev = priv->mdev;
|
|
struct mlx5_eswitch *esw = mdev->priv.eswitch;
|
|
|
|
mlx5e_rep_unregister_vf_vports(priv); /* VFs vports */
|
|
mlx5_eswitch_unregister_vport_rep(esw, 0, REP_ETH); /* UPLINK PF*/
|
|
}
|
|
|
|
void *mlx5e_alloc_nic_rep_priv(struct mlx5_core_dev *mdev)
|
|
{
|
|
struct mlx5_eswitch *esw = mdev->priv.eswitch;
|
|
struct mlx5e_rep_priv *rpriv;
|
|
|
|
rpriv = kzalloc(sizeof(*rpriv), GFP_KERNEL);
|
|
if (!rpriv)
|
|
return NULL;
|
|
|
|
rpriv->rep = &esw->offloads.vport_reps[0];
|
|
return rpriv;
|
|
}
|