| /* |
| * Copyright (c) 2016, Mellanox Technologies. All rights reserved. |
| * |
| * This software is available to you under a choice of one of two |
| * licenses. You may choose to be licensed under the terms of the GNU |
| * General Public License (GPL) Version 2, available from the file |
| * COPYING in the main directory of this source tree, or the |
| * OpenIB.org BSD license below: |
| * |
| * Redistribution and use in source and binary forms, with or |
| * without modification, are permitted provided that the following |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include <generated/utsrelease.h> |
| #include <linux/mlx5/fs.h> |
| #include <net/switchdev.h> |
| #include <net/pkt_cls.h> |
| #include <net/act_api.h> |
| #include <net/netevent.h> |
| #include <net/arp.h> |
| |
| #include "eswitch.h" |
| #include "en.h" |
| #include "en_rep.h" |
| #include "en_tc.h" |
| #include "en/tc_tun.h" |
| #include "fs_core.h" |
| #include "lib/port_tun.h" |
| |
| #define MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE \ |
| max(0x7, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE) |
| #define MLX5E_REP_PARAMS_DEF_NUM_CHANNELS 1 |
| |
| static const char mlx5e_rep_driver_name[] = "mlx5e_rep"; |
| |
| struct mlx5e_rep_indr_block_priv { |
| struct net_device *netdev; |
| struct mlx5e_rep_priv *rpriv; |
| |
| struct list_head list; |
| }; |
| |
| static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv, |
| struct net_device *netdev); |
| |
| static void mlx5e_rep_get_drvinfo(struct net_device *dev, |
| struct ethtool_drvinfo *drvinfo) |
| { |
| strlcpy(drvinfo->driver, mlx5e_rep_driver_name, |
| sizeof(drvinfo->driver)); |
| strlcpy(drvinfo->version, UTS_RELEASE, sizeof(drvinfo->version)); |
| } |
| |
| static const struct counter_desc sw_rep_stats_desc[] = { |
| { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_packets) }, |
| { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, rx_bytes) }, |
| { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_packets) }, |
| { MLX5E_DECLARE_STAT(struct mlx5e_sw_stats, tx_bytes) }, |
| }; |
| |
| struct vport_stats { |
| u64 vport_rx_packets; |
| u64 vport_tx_packets; |
| u64 vport_rx_bytes; |
| u64 vport_tx_bytes; |
| }; |
| |
| static const struct counter_desc vport_rep_stats_desc[] = { |
| { MLX5E_DECLARE_STAT(struct vport_stats, vport_rx_packets) }, |
| { MLX5E_DECLARE_STAT(struct vport_stats, vport_rx_bytes) }, |
| { MLX5E_DECLARE_STAT(struct vport_stats, vport_tx_packets) }, |
| { MLX5E_DECLARE_STAT(struct vport_stats, vport_tx_bytes) }, |
| }; |
| |
| #define NUM_VPORT_REP_SW_COUNTERS ARRAY_SIZE(sw_rep_stats_desc) |
| #define NUM_VPORT_REP_HW_COUNTERS ARRAY_SIZE(vport_rep_stats_desc) |
| |
| static void mlx5e_rep_get_strings(struct net_device *dev, |
| u32 stringset, uint8_t *data) |
| { |
| int i, j; |
| |
| switch (stringset) { |
| case ETH_SS_STATS: |
| for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++) |
| strcpy(data + (i * ETH_GSTRING_LEN), |
| sw_rep_stats_desc[i].format); |
| for (j = 0; j < NUM_VPORT_REP_HW_COUNTERS; j++, i++) |
| strcpy(data + (i * ETH_GSTRING_LEN), |
| vport_rep_stats_desc[j].format); |
| break; |
| } |
| } |
| |
| static void mlx5e_vf_rep_update_hw_counters(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 rtnl_link_stats64 *vport_stats; |
| struct ifla_vf_stats vf_stats; |
| int err; |
| |
| err = mlx5_eswitch_get_vport_stats(esw, rep->vport, &vf_stats); |
| if (err) { |
| pr_warn("vport %d error %d reading stats\n", rep->vport, err); |
| return; |
| } |
| |
| vport_stats = &priv->stats.vf_vport; |
| /* flip tx/rx as we are reporting the counters for the switch vport */ |
| vport_stats->rx_packets = vf_stats.tx_packets; |
| vport_stats->rx_bytes = vf_stats.tx_bytes; |
| vport_stats->tx_packets = vf_stats.rx_packets; |
| vport_stats->tx_bytes = vf_stats.rx_bytes; |
| } |
| |
| static void mlx5e_uplink_rep_update_hw_counters(struct mlx5e_priv *priv) |
| { |
| struct mlx5e_pport_stats *pstats = &priv->stats.pport; |
| struct rtnl_link_stats64 *vport_stats; |
| |
| mlx5e_grp_802_3_update_stats(priv); |
| |
| vport_stats = &priv->stats.vf_vport; |
| |
| vport_stats->rx_packets = PPORT_802_3_GET(pstats, a_frames_received_ok); |
| vport_stats->rx_bytes = PPORT_802_3_GET(pstats, a_octets_received_ok); |
| vport_stats->tx_packets = PPORT_802_3_GET(pstats, a_frames_transmitted_ok); |
| vport_stats->tx_bytes = PPORT_802_3_GET(pstats, a_octets_transmitted_ok); |
| } |
| |
| static void mlx5e_rep_update_hw_counters(struct mlx5e_priv *priv) |
| { |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_eswitch_rep *rep = rpriv->rep; |
| |
| if (rep->vport == MLX5_VPORT_UPLINK) |
| mlx5e_uplink_rep_update_hw_counters(priv); |
| else |
| mlx5e_vf_rep_update_hw_counters(priv); |
| } |
| |
| static void mlx5e_rep_update_sw_counters(struct mlx5e_priv *priv) |
| { |
| struct mlx5e_sw_stats *s = &priv->stats.sw; |
| struct rtnl_link_stats64 stats64 = {}; |
| |
| memset(s, 0, sizeof(*s)); |
| mlx5e_fold_sw_stats64(priv, &stats64); |
| |
| s->rx_packets = stats64.rx_packets; |
| s->rx_bytes = stats64.rx_bytes; |
| s->tx_packets = stats64.tx_packets; |
| s->tx_bytes = stats64.tx_bytes; |
| s->tx_queue_dropped = stats64.tx_dropped; |
| } |
| |
| static void mlx5e_rep_get_ethtool_stats(struct net_device *dev, |
| struct ethtool_stats *stats, u64 *data) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| int i, j; |
| |
| if (!data) |
| return; |
| |
| mutex_lock(&priv->state_lock); |
| mlx5e_rep_update_sw_counters(priv); |
| mlx5e_rep_update_hw_counters(priv); |
| mutex_unlock(&priv->state_lock); |
| |
| for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++) |
| data[i] = MLX5E_READ_CTR64_CPU(&priv->stats.sw, |
| sw_rep_stats_desc, i); |
| |
| for (j = 0; j < NUM_VPORT_REP_HW_COUNTERS; j++, i++) |
| data[i] = MLX5E_READ_CTR64_CPU(&priv->stats.vf_vport, |
| vport_rep_stats_desc, j); |
| } |
| |
| static int mlx5e_rep_get_sset_count(struct net_device *dev, int sset) |
| { |
| switch (sset) { |
| case ETH_SS_STATS: |
| return NUM_VPORT_REP_SW_COUNTERS + NUM_VPORT_REP_HW_COUNTERS; |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static void mlx5e_rep_get_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *param) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| mlx5e_ethtool_get_ringparam(priv, param); |
| } |
| |
| static int mlx5e_rep_set_ringparam(struct net_device *dev, |
| struct ethtool_ringparam *param) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| return mlx5e_ethtool_set_ringparam(priv, param); |
| } |
| |
| static int mlx5e_replace_rep_vport_rx_rule(struct mlx5e_priv *priv, |
| struct mlx5_flow_destination *dest) |
| { |
| 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; |
| |
| flow_rule = mlx5_eswitch_create_vport_rx_rule(esw, |
| rep->vport, |
| dest); |
| if (IS_ERR(flow_rule)) |
| return PTR_ERR(flow_rule); |
| |
| mlx5_del_flow_rules(rpriv->vport_rx_rule); |
| rpriv->vport_rx_rule = flow_rule; |
| return 0; |
| } |
| |
| static void mlx5e_rep_get_channels(struct net_device *dev, |
| struct ethtool_channels *ch) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| mlx5e_ethtool_get_channels(priv, ch); |
| } |
| |
| static int mlx5e_rep_set_channels(struct net_device *dev, |
| struct ethtool_channels *ch) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| u16 curr_channels_amount = priv->channels.params.num_channels; |
| u32 new_channels_amount = ch->combined_count; |
| struct mlx5_flow_destination new_dest; |
| int err = 0; |
| |
| err = mlx5e_ethtool_set_channels(priv, ch); |
| if (err) |
| return err; |
| |
| if (curr_channels_amount == 1 && new_channels_amount > 1) { |
| new_dest.type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| new_dest.ft = priv->fs.ttc.ft.t; |
| } else if (new_channels_amount == 1 && curr_channels_amount > 1) { |
| new_dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR; |
| new_dest.tir_num = priv->direct_tir[0].tirn; |
| } else { |
| return 0; |
| } |
| |
| err = mlx5e_replace_rep_vport_rx_rule(priv, &new_dest); |
| if (err) { |
| netdev_warn(priv->netdev, "Failed to update vport rx rule, when going from (%d) channels to (%d) channels\n", |
| curr_channels_amount, new_channels_amount); |
| return err; |
| } |
| |
| return 0; |
| } |
| |
| static int mlx5e_rep_get_coalesce(struct net_device *netdev, |
| struct ethtool_coalesce *coal) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_get_coalesce(priv, coal); |
| } |
| |
| static int mlx5e_rep_set_coalesce(struct net_device *netdev, |
| struct ethtool_coalesce *coal) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_set_coalesce(priv, coal); |
| } |
| |
| static u32 mlx5e_rep_get_rxfh_key_size(struct net_device *netdev) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_get_rxfh_key_size(priv); |
| } |
| |
| static u32 mlx5e_rep_get_rxfh_indir_size(struct net_device *netdev) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_get_rxfh_indir_size(priv); |
| } |
| |
| static void mlx5e_uplink_rep_get_pauseparam(struct net_device *netdev, |
| struct ethtool_pauseparam *pauseparam) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| mlx5e_ethtool_get_pauseparam(priv, pauseparam); |
| } |
| |
| static int mlx5e_uplink_rep_set_pauseparam(struct net_device *netdev, |
| struct ethtool_pauseparam *pauseparam) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_set_pauseparam(priv, pauseparam); |
| } |
| |
| static int mlx5e_uplink_rep_get_link_ksettings(struct net_device *netdev, |
| struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_get_link_ksettings(priv, link_ksettings); |
| } |
| |
| static int mlx5e_uplink_rep_set_link_ksettings(struct net_device *netdev, |
| const struct ethtool_link_ksettings *link_ksettings) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| return mlx5e_ethtool_set_link_ksettings(priv, link_ksettings); |
| } |
| |
| static const struct ethtool_ops mlx5e_vf_rep_ethtool_ops = { |
| .get_drvinfo = mlx5e_rep_get_drvinfo, |
| .get_link = ethtool_op_get_link, |
| .get_strings = mlx5e_rep_get_strings, |
| .get_sset_count = mlx5e_rep_get_sset_count, |
| .get_ethtool_stats = mlx5e_rep_get_ethtool_stats, |
| .get_ringparam = mlx5e_rep_get_ringparam, |
| .set_ringparam = mlx5e_rep_set_ringparam, |
| .get_channels = mlx5e_rep_get_channels, |
| .set_channels = mlx5e_rep_set_channels, |
| .get_coalesce = mlx5e_rep_get_coalesce, |
| .set_coalesce = mlx5e_rep_set_coalesce, |
| .get_rxfh_key_size = mlx5e_rep_get_rxfh_key_size, |
| .get_rxfh_indir_size = mlx5e_rep_get_rxfh_indir_size, |
| }; |
| |
| static const struct ethtool_ops mlx5e_uplink_rep_ethtool_ops = { |
| .get_drvinfo = mlx5e_rep_get_drvinfo, |
| .get_link = ethtool_op_get_link, |
| .get_strings = mlx5e_rep_get_strings, |
| .get_sset_count = mlx5e_rep_get_sset_count, |
| .get_ethtool_stats = mlx5e_rep_get_ethtool_stats, |
| .get_ringparam = mlx5e_rep_get_ringparam, |
| .set_ringparam = mlx5e_rep_set_ringparam, |
| .get_channels = mlx5e_rep_get_channels, |
| .set_channels = mlx5e_rep_set_channels, |
| .get_coalesce = mlx5e_rep_get_coalesce, |
| .set_coalesce = mlx5e_rep_set_coalesce, |
| .get_link_ksettings = mlx5e_uplink_rep_get_link_ksettings, |
| .set_link_ksettings = mlx5e_uplink_rep_set_link_ksettings, |
| .get_rxfh_key_size = mlx5e_rep_get_rxfh_key_size, |
| .get_rxfh_indir_size = mlx5e_rep_get_rxfh_indir_size, |
| .get_pauseparam = mlx5e_uplink_rep_get_pauseparam, |
| .set_pauseparam = mlx5e_uplink_rep_set_pauseparam, |
| }; |
| |
| static int mlx5e_rep_get_port_parent_id(struct net_device *dev, |
| struct netdev_phys_item_id *ppid) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; |
| struct net_device *uplink_upper = NULL; |
| struct mlx5e_priv *uplink_priv = NULL; |
| struct net_device *uplink_dev; |
| |
| if (esw->mode == SRIOV_NONE) |
| return -EOPNOTSUPP; |
| |
| uplink_dev = mlx5_eswitch_uplink_get_proto_dev(esw, REP_ETH); |
| if (uplink_dev) { |
| uplink_upper = netdev_master_upper_dev_get(uplink_dev); |
| uplink_priv = netdev_priv(uplink_dev); |
| } |
| |
| ppid->id_len = ETH_ALEN; |
| if (uplink_upper && mlx5_lag_is_sriov(uplink_priv->mdev)) { |
| ether_addr_copy(ppid->id, uplink_upper->dev_addr); |
| } else { |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_eswitch_rep *rep = rpriv->rep; |
| |
| ether_addr_copy(ppid->id, rep->hw_id); |
| } |
| |
| return 0; |
| } |
| |
| static void mlx5e_sqs2vport_stop(struct mlx5_eswitch *esw, |
| struct mlx5_eswitch_rep *rep) |
| { |
| struct mlx5e_rep_sq *rep_sq, *tmp; |
| struct mlx5e_rep_priv *rpriv; |
| |
| if (esw->mode != SRIOV_OFFLOADS) |
| return; |
| |
| rpriv = mlx5e_rep_to_rep_priv(rep); |
| list_for_each_entry_safe(rep_sq, tmp, &rpriv->vport_sqs_list, list) { |
| mlx5_eswitch_del_send_to_vport_rule(rep_sq->send_to_vport_rule); |
| list_del(&rep_sq->list); |
| kfree(rep_sq); |
| } |
| } |
| |
| static int mlx5e_sqs2vport_start(struct mlx5_eswitch *esw, |
| struct mlx5_eswitch_rep *rep, |
| u32 *sqns_array, int sqns_num) |
| { |
| struct mlx5_flow_handle *flow_rule; |
| struct mlx5e_rep_priv *rpriv; |
| struct mlx5e_rep_sq *rep_sq; |
| int err; |
| int i; |
| |
| if (esw->mode != SRIOV_OFFLOADS) |
| return 0; |
| |
| rpriv = mlx5e_rep_to_rep_priv(rep); |
| for (i = 0; i < sqns_num; i++) { |
| rep_sq = kzalloc(sizeof(*rep_sq), GFP_KERNEL); |
| if (!rep_sq) { |
| err = -ENOMEM; |
| goto out_err; |
| } |
| |
| /* Add re-inject rule to the PF/representor sqs */ |
| flow_rule = mlx5_eswitch_add_send_to_vport_rule(esw, |
| rep->vport, |
| sqns_array[i]); |
| if (IS_ERR(flow_rule)) { |
| err = PTR_ERR(flow_rule); |
| kfree(rep_sq); |
| goto out_err; |
| } |
| rep_sq->send_to_vport_rule = flow_rule; |
| list_add(&rep_sq->list, &rpriv->vport_sqs_list); |
| } |
| return 0; |
| |
| out_err: |
| mlx5e_sqs2vport_stop(esw, rep); |
| return err; |
| } |
| |
| int mlx5e_add_sqs_fwd_rules(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 mlx5e_channel *c; |
| int n, tc, num_sqs = 0; |
| int err = -ENOMEM; |
| u32 *sqs; |
| |
| sqs = kcalloc(priv->channels.num * priv->channels.params.num_tc, sizeof(*sqs), GFP_KERNEL); |
| if (!sqs) |
| goto out; |
| |
| for (n = 0; n < priv->channels.num; n++) { |
| c = priv->channels.c[n]; |
| for (tc = 0; tc < c->num_tc; tc++) |
| sqs[num_sqs++] = c->sq[tc].sqn; |
| } |
| |
| err = mlx5e_sqs2vport_start(esw, rep, sqs, num_sqs); |
| kfree(sqs); |
| |
| out: |
| if (err) |
| netdev_warn(priv->netdev, "Failed to add SQs FWD rules %d\n", err); |
| return err; |
| } |
| |
| void mlx5e_remove_sqs_fwd_rules(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; |
| |
| mlx5e_sqs2vport_stop(esw, rep); |
| } |
| |
| static void mlx5e_rep_neigh_update_init_interval(struct mlx5e_rep_priv *rpriv) |
| { |
| #if IS_ENABLED(CONFIG_IPV6) |
| unsigned long ipv6_interval = NEIGH_VAR(&nd_tbl.parms, |
| DELAY_PROBE_TIME); |
| #else |
| unsigned long ipv6_interval = ~0UL; |
| #endif |
| unsigned long ipv4_interval = NEIGH_VAR(&arp_tbl.parms, |
| DELAY_PROBE_TIME); |
| struct net_device *netdev = rpriv->netdev; |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| |
| rpriv->neigh_update.min_interval = min_t(unsigned long, ipv6_interval, ipv4_interval); |
| mlx5_fc_update_sampling_interval(priv->mdev, rpriv->neigh_update.min_interval); |
| } |
| |
| void mlx5e_rep_queue_neigh_stats_work(struct mlx5e_priv *priv) |
| { |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update; |
| |
| mlx5_fc_queue_stats_work(priv->mdev, |
| &neigh_update->neigh_stats_work, |
| neigh_update->min_interval); |
| } |
| |
| static void mlx5e_rep_neigh_stats_work(struct work_struct *work) |
| { |
| struct mlx5e_rep_priv *rpriv = container_of(work, struct mlx5e_rep_priv, |
| neigh_update.neigh_stats_work.work); |
| struct net_device *netdev = rpriv->netdev; |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5e_neigh_hash_entry *nhe; |
| |
| rtnl_lock(); |
| if (!list_empty(&rpriv->neigh_update.neigh_list)) |
| mlx5e_rep_queue_neigh_stats_work(priv); |
| |
| list_for_each_entry(nhe, &rpriv->neigh_update.neigh_list, neigh_list) |
| mlx5e_tc_update_neigh_used_value(nhe); |
| |
| rtnl_unlock(); |
| } |
| |
| static void mlx5e_rep_neigh_entry_hold(struct mlx5e_neigh_hash_entry *nhe) |
| { |
| refcount_inc(&nhe->refcnt); |
| } |
| |
| static void mlx5e_rep_neigh_entry_release(struct mlx5e_neigh_hash_entry *nhe) |
| { |
| if (refcount_dec_and_test(&nhe->refcnt)) |
| kfree(nhe); |
| } |
| |
| static void mlx5e_rep_update_flows(struct mlx5e_priv *priv, |
| struct mlx5e_encap_entry *e, |
| bool neigh_connected, |
| unsigned char ha[ETH_ALEN]) |
| { |
| struct ethhdr *eth = (struct ethhdr *)e->encap_header; |
| |
| ASSERT_RTNL(); |
| |
| if ((e->flags & MLX5_ENCAP_ENTRY_VALID) && |
| (!neigh_connected || !ether_addr_equal(e->h_dest, ha))) |
| mlx5e_tc_encap_flows_del(priv, e); |
| |
| if (neigh_connected && !(e->flags & MLX5_ENCAP_ENTRY_VALID)) { |
| ether_addr_copy(e->h_dest, ha); |
| ether_addr_copy(eth->h_dest, ha); |
| /* Update the encap source mac, in case that we delete |
| * the flows when encap source mac changed. |
| */ |
| ether_addr_copy(eth->h_source, e->route_dev->dev_addr); |
| |
| mlx5e_tc_encap_flows_add(priv, e); |
| } |
| } |
| |
| static void mlx5e_rep_neigh_update(struct work_struct *work) |
| { |
| struct mlx5e_neigh_hash_entry *nhe = |
| container_of(work, struct mlx5e_neigh_hash_entry, neigh_update_work); |
| struct neighbour *n = nhe->n; |
| struct mlx5e_encap_entry *e; |
| unsigned char ha[ETH_ALEN]; |
| struct mlx5e_priv *priv; |
| bool neigh_connected; |
| bool encap_connected; |
| u8 nud_state, dead; |
| |
| rtnl_lock(); |
| |
| /* If these parameters are changed after we release the lock, |
| * we'll receive another event letting us know about it. |
| * We use this lock to avoid inconsistency between the neigh validity |
| * and it's hw address. |
| */ |
| read_lock_bh(&n->lock); |
| memcpy(ha, n->ha, ETH_ALEN); |
| nud_state = n->nud_state; |
| dead = n->dead; |
| read_unlock_bh(&n->lock); |
| |
| neigh_connected = (nud_state & NUD_VALID) && !dead; |
| |
| list_for_each_entry(e, &nhe->encap_list, encap_list) { |
| encap_connected = !!(e->flags & MLX5_ENCAP_ENTRY_VALID); |
| priv = netdev_priv(e->out_dev); |
| |
| if (encap_connected != neigh_connected || |
| !ether_addr_equal(e->h_dest, ha)) |
| mlx5e_rep_update_flows(priv, e, neigh_connected, ha); |
| } |
| mlx5e_rep_neigh_entry_release(nhe); |
| rtnl_unlock(); |
| neigh_release(n); |
| } |
| |
| static struct mlx5e_rep_indr_block_priv * |
| mlx5e_rep_indr_block_priv_lookup(struct mlx5e_rep_priv *rpriv, |
| struct net_device *netdev) |
| { |
| struct mlx5e_rep_indr_block_priv *cb_priv; |
| |
| /* All callback list access should be protected by RTNL. */ |
| ASSERT_RTNL(); |
| |
| list_for_each_entry(cb_priv, |
| &rpriv->uplink_priv.tc_indr_block_priv_list, |
| list) |
| if (cb_priv->netdev == netdev) |
| return cb_priv; |
| |
| return NULL; |
| } |
| |
| static void mlx5e_rep_indr_clean_block_privs(struct mlx5e_rep_priv *rpriv) |
| { |
| struct mlx5e_rep_indr_block_priv *cb_priv, *temp; |
| struct list_head *head = &rpriv->uplink_priv.tc_indr_block_priv_list; |
| |
| list_for_each_entry_safe(cb_priv, temp, head, list) { |
| mlx5e_rep_indr_unregister_block(rpriv, cb_priv->netdev); |
| kfree(cb_priv); |
| } |
| } |
| |
| static int |
| mlx5e_rep_indr_offload(struct net_device *netdev, |
| struct tc_cls_flower_offload *flower, |
| struct mlx5e_rep_indr_block_priv *indr_priv) |
| { |
| struct mlx5e_priv *priv = netdev_priv(indr_priv->rpriv->netdev); |
| int flags = MLX5E_TC_EGRESS | MLX5E_TC_ESW_OFFLOAD; |
| int err = 0; |
| |
| switch (flower->command) { |
| case TC_CLSFLOWER_REPLACE: |
| err = mlx5e_configure_flower(netdev, priv, flower, flags); |
| break; |
| case TC_CLSFLOWER_DESTROY: |
| err = mlx5e_delete_flower(netdev, priv, flower, flags); |
| break; |
| case TC_CLSFLOWER_STATS: |
| err = mlx5e_stats_flower(netdev, priv, flower, flags); |
| break; |
| default: |
| err = -EOPNOTSUPP; |
| } |
| |
| return err; |
| } |
| |
| static int mlx5e_rep_indr_setup_block_cb(enum tc_setup_type type, |
| void *type_data, void *indr_priv) |
| { |
| struct mlx5e_rep_indr_block_priv *priv = indr_priv; |
| |
| switch (type) { |
| case TC_SETUP_CLSFLOWER: |
| return mlx5e_rep_indr_offload(priv->netdev, type_data, priv); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static int |
| mlx5e_rep_indr_setup_tc_block(struct net_device *netdev, |
| struct mlx5e_rep_priv *rpriv, |
| struct tc_block_offload *f) |
| { |
| struct mlx5e_rep_indr_block_priv *indr_priv; |
| int err = 0; |
| |
| if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS) |
| return -EOPNOTSUPP; |
| |
| switch (f->command) { |
| case TC_BLOCK_BIND: |
| indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev); |
| if (indr_priv) |
| return -EEXIST; |
| |
| indr_priv = kmalloc(sizeof(*indr_priv), GFP_KERNEL); |
| if (!indr_priv) |
| return -ENOMEM; |
| |
| indr_priv->netdev = netdev; |
| indr_priv->rpriv = rpriv; |
| list_add(&indr_priv->list, |
| &rpriv->uplink_priv.tc_indr_block_priv_list); |
| |
| err = tcf_block_cb_register(f->block, |
| mlx5e_rep_indr_setup_block_cb, |
| indr_priv, indr_priv, f->extack); |
| if (err) { |
| list_del(&indr_priv->list); |
| kfree(indr_priv); |
| } |
| |
| return err; |
| case TC_BLOCK_UNBIND: |
| indr_priv = mlx5e_rep_indr_block_priv_lookup(rpriv, netdev); |
| if (!indr_priv) |
| return -ENOENT; |
| |
| tcf_block_cb_unregister(f->block, |
| mlx5e_rep_indr_setup_block_cb, |
| indr_priv); |
| list_del(&indr_priv->list); |
| kfree(indr_priv); |
| |
| return 0; |
| default: |
| return -EOPNOTSUPP; |
| } |
| return 0; |
| } |
| |
| static |
| int mlx5e_rep_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv, |
| enum tc_setup_type type, void *type_data) |
| { |
| switch (type) { |
| case TC_SETUP_BLOCK: |
| return mlx5e_rep_indr_setup_tc_block(netdev, cb_priv, |
| type_data); |
| default: |
| return -EOPNOTSUPP; |
| } |
| } |
| |
| static int mlx5e_rep_indr_register_block(struct mlx5e_rep_priv *rpriv, |
| struct net_device *netdev) |
| { |
| int err; |
| |
| err = __tc_indr_block_cb_register(netdev, rpriv, |
| mlx5e_rep_indr_setup_tc_cb, |
| rpriv); |
| if (err) { |
| struct mlx5e_priv *priv = netdev_priv(rpriv->netdev); |
| |
| mlx5_core_err(priv->mdev, "Failed to register remote block notifier for %s err=%d\n", |
| netdev_name(netdev), err); |
| } |
| return err; |
| } |
| |
| static void mlx5e_rep_indr_unregister_block(struct mlx5e_rep_priv *rpriv, |
| struct net_device *netdev) |
| { |
| __tc_indr_block_cb_unregister(netdev, mlx5e_rep_indr_setup_tc_cb, |
| rpriv); |
| } |
| |
| static int mlx5e_nic_rep_netdevice_event(struct notifier_block *nb, |
| unsigned long event, void *ptr) |
| { |
| struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv, |
| uplink_priv.netdevice_nb); |
| struct mlx5e_priv *priv = netdev_priv(rpriv->netdev); |
| struct net_device *netdev = netdev_notifier_info_to_dev(ptr); |
| |
| if (!mlx5e_tc_tun_device_to_offload(priv, netdev)) |
| return NOTIFY_OK; |
| |
| switch (event) { |
| case NETDEV_REGISTER: |
| mlx5e_rep_indr_register_block(rpriv, netdev); |
| break; |
| case NETDEV_UNREGISTER: |
| mlx5e_rep_indr_unregister_block(rpriv, netdev); |
| break; |
| } |
| return NOTIFY_OK; |
| } |
| |
| static struct mlx5e_neigh_hash_entry * |
| mlx5e_rep_neigh_entry_lookup(struct mlx5e_priv *priv, |
| struct mlx5e_neigh *m_neigh); |
| |
| static int mlx5e_rep_netevent_event(struct notifier_block *nb, |
| unsigned long event, void *ptr) |
| { |
| struct mlx5e_rep_priv *rpriv = container_of(nb, struct mlx5e_rep_priv, |
| neigh_update.netevent_nb); |
| struct mlx5e_neigh_update_table *neigh_update = &rpriv->neigh_update; |
| struct net_device *netdev = rpriv->netdev; |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5e_neigh_hash_entry *nhe = NULL; |
| struct mlx5e_neigh m_neigh = {}; |
| struct neigh_parms *p; |
| struct neighbour *n; |
| bool found = false; |
| |
| switch (event) { |
| case NETEVENT_NEIGH_UPDATE: |
| n = ptr; |
| #if IS_ENABLED(CONFIG_IPV6) |
| 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_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv; |
| struct mlx5_tun_entropy *tun_entropy = &uplink_priv->tun_entropy; |
| struct mlx5e_neigh_hash_entry *nhe; |
| int err; |
| |
| err = mlx5_tun_entropy_refcount_inc(tun_entropy, e->reformat_type); |
| if (err) |
| return err; |
| nhe = mlx5e_rep_neigh_entry_lookup(priv, &e->m_neigh); |
| if (!nhe) { |
| err = mlx5e_rep_neigh_entry_create(priv, e, &nhe); |
| if (err) { |
| mlx5_tun_entropy_refcount_dec(tun_entropy, |
| e->reformat_type); |
| 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_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_rep_uplink_priv *uplink_priv = &rpriv->uplink_priv; |
| struct mlx5_tun_entropy *tun_entropy = &uplink_priv->tun_entropy; |
| 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); |
| mlx5_tun_entropy_refcount_dec(tun_entropy, e->reformat_type); |
| } |
| |
| static int mlx5e_vf_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_VPORT_STATE_OP_MOD_ESW_VPORT, |
| rep->vport, 1, |
| MLX5_VPORT_ADMIN_STATE_UP)) |
| netif_carrier_on(dev); |
| |
| unlock: |
| mutex_unlock(&priv->state_lock); |
| return err; |
| } |
| |
| static int mlx5e_vf_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_VPORT_STATE_OP_MOD_ESW_VPORT, |
| rep->vport, 1, |
| MLX5_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; |
| unsigned int fn; |
| int ret; |
| |
| fn = PCI_FUNC(priv->mdev->pdev->devfn); |
| if (fn >= MLX5_MAX_PORTS) |
| return -EOPNOTSUPP; |
| |
| if (rep->vport == MLX5_VPORT_UPLINK) |
| ret = snprintf(buf, len, "p%d", fn); |
| else |
| ret = snprintf(buf, len, "pf%dvf%d", fn, 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->netdev, priv, cls_flower, |
| flags); |
| case TC_CLSFLOWER_DESTROY: |
| return mlx5e_delete_flower(priv->netdev, priv, cls_flower, |
| flags); |
| case TC_CLSFLOWER_STATS: |
| return mlx5e_stats_flower(priv->netdev, priv, cls_flower, |
| flags); |
| 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; |
| |
| switch (type) { |
| case TC_SETUP_CLSFLOWER: |
| return mlx5e_rep_setup_tc_cls_flower(priv, type_data, MLX5E_TC_INGRESS | |
| MLX5E_TC_ESW_OFFLOAD); |
| 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, f->extack); |
| 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 mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_eswitch_rep *rep; |
| |
| if (!MLX5_ESWITCH_MANAGER(priv->mdev)) |
| return false; |
| |
| if (!rpriv) /* non vport rep mlx5e instances don't use this field */ |
| return false; |
| |
| rep = rpriv->rep; |
| return (rep->vport == MLX5_VPORT_UPLINK); |
| } |
| |
| static bool mlx5e_rep_has_offload_stats(const struct net_device *dev, int attr_id) |
| { |
| switch (attr_id) { |
| case IFLA_OFFLOAD_XSTATS_CPU_HIT: |
| 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); |
| |
| mlx5e_fold_sw_stats64(priv, stats); |
| return 0; |
| } |
| |
| static int mlx5e_rep_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_vf_rep_get_stats(struct net_device *dev, struct rtnl_link_stats64 *stats) |
| { |
| struct mlx5e_priv *priv = netdev_priv(dev); |
| |
| /* update HW stats in background for next time */ |
| mlx5e_queue_update_stats(priv); |
| memcpy(stats, &priv->stats.vf_vport, sizeof(*stats)); |
| } |
| |
| static int mlx5e_vf_rep_change_mtu(struct net_device *netdev, int new_mtu) |
| { |
| return mlx5e_change_mtu(netdev, new_mtu, NULL); |
| } |
| |
| static int mlx5e_uplink_rep_change_mtu(struct net_device *netdev, int new_mtu) |
| { |
| return mlx5e_change_mtu(netdev, new_mtu, mlx5e_set_dev_port_mtu); |
| } |
| |
| static int mlx5e_uplink_rep_set_mac(struct net_device *netdev, void *addr) |
| { |
| struct sockaddr *saddr = addr; |
| |
| if (!is_valid_ether_addr(saddr->sa_data)) |
| return -EADDRNOTAVAIL; |
| |
| ether_addr_copy(netdev->dev_addr, saddr->sa_data); |
| return 0; |
| } |
| |
| static int mlx5e_uplink_rep_set_vf_vlan(struct net_device *dev, int vf, u16 vlan, u8 qos, |
| __be16 vlan_proto) |
| { |
| netdev_warn_once(dev, "legacy vf vlan setting isn't supported in switchdev mode\n"); |
| |
| if (vlan != 0) |
| return -EOPNOTSUPP; |
| |
| /* allow setting 0-vid for compatibility with libvirt */ |
| return 0; |
| } |
| |
| static const struct net_device_ops mlx5e_netdev_ops_vf_rep = { |
| .ndo_open = mlx5e_vf_rep_open, |
| .ndo_stop = mlx5e_vf_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_vf_rep_get_stats, |
| .ndo_has_offload_stats = mlx5e_rep_has_offload_stats, |
| .ndo_get_offload_stats = mlx5e_rep_get_offload_stats, |
| .ndo_change_mtu = mlx5e_vf_rep_change_mtu, |
| .ndo_get_port_parent_id = mlx5e_rep_get_port_parent_id, |
| }; |
| |
| static const struct net_device_ops mlx5e_netdev_ops_uplink_rep = { |
| .ndo_open = mlx5e_open, |
| .ndo_stop = mlx5e_close, |
| .ndo_start_xmit = mlx5e_xmit, |
| .ndo_set_mac_address = mlx5e_uplink_rep_set_mac, |
| .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, |
| .ndo_setup_tc = mlx5e_rep_setup_tc, |
| .ndo_get_stats64 = mlx5e_get_stats, |
| .ndo_has_offload_stats = mlx5e_rep_has_offload_stats, |
| .ndo_get_offload_stats = mlx5e_rep_get_offload_stats, |
| .ndo_change_mtu = mlx5e_uplink_rep_change_mtu, |
| .ndo_udp_tunnel_add = mlx5e_add_vxlan_port, |
| .ndo_udp_tunnel_del = mlx5e_del_vxlan_port, |
| .ndo_features_check = mlx5e_features_check, |
| .ndo_set_vf_mac = mlx5e_set_vf_mac, |
| .ndo_set_vf_rate = mlx5e_set_vf_rate, |
| .ndo_get_vf_config = mlx5e_get_vf_config, |
| .ndo_get_vf_stats = mlx5e_get_vf_stats, |
| .ndo_set_vf_vlan = mlx5e_uplink_rep_set_vf_vlan, |
| .ndo_get_port_parent_id = mlx5e_rep_get_port_parent_id, |
| }; |
| |
| bool mlx5e_eswitch_rep(struct net_device *netdev) |
| { |
| if (netdev->netdev_ops == &mlx5e_netdev_ops_vf_rep || |
| netdev->netdev_ops == &mlx5e_netdev_ops_uplink_rep) |
| return true; |
| |
| return false; |
| } |
| |
| static void mlx5e_build_rep_params(struct net_device *netdev) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_eswitch_rep *rep = rpriv->rep; |
| struct mlx5_core_dev *mdev = priv->mdev; |
| struct mlx5e_params *params; |
| |
| 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 = &priv->channels.params; |
| params->hard_mtu = MLX5E_ETH_HARD_MTU; |
| params->sw_mtu = netdev->mtu; |
| |
| /* SQ */ |
| if (rep->vport == MLX5_VPORT_UPLINK) |
| params->log_sq_size = MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; |
| else |
| params->log_sq_size = MLX5E_REP_PARAMS_DEF_LOG_SQ_SIZE; |
| |
| /* RQ */ |
| mlx5e_build_rq_params(mdev, params); |
| |
| /* CQ moderation params */ |
| params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation); |
| mlx5e_set_rx_cq_mode_params(params, cq_period_mode); |
| |
| params->num_tc = 1; |
| |
| mlx5_query_min_inline(mdev, ¶ms->tx_min_inline_mode); |
| |
| /* RSS */ |
| mlx5e_build_rss_params(&priv->rss_params, params->num_channels); |
| } |
| |
| static void mlx5e_build_rep_netdev(struct net_device *netdev) |
| { |
| struct mlx5e_priv *priv = netdev_priv(netdev); |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_eswitch_rep *rep = rpriv->rep; |
| struct mlx5_core_dev *mdev = priv->mdev; |
| |
| if (rep->vport == MLX5_VPORT_UPLINK) { |
| SET_NETDEV_DEV(netdev, &priv->mdev->pdev->dev); |
| netdev->netdev_ops = &mlx5e_netdev_ops_uplink_rep; |
| /* we want a persistent mac for the uplink rep */ |
| mlx5_query_nic_vport_mac_address(mdev, 0, netdev->dev_addr); |
| netdev->ethtool_ops = &mlx5e_uplink_rep_ethtool_ops; |
| #ifdef CONFIG_MLX5_CORE_EN_DCB |
| if (MLX5_CAP_GEN(mdev, qos)) |
| netdev->dcbnl_ops = &mlx5e_dcbnl_ops; |
| #endif |
| } else { |
| netdev->netdev_ops = &mlx5e_netdev_ops_vf_rep; |
| eth_hw_addr_random(netdev); |
| netdev->ethtool_ops = &mlx5e_vf_rep_ethtool_ops; |
| } |
| |
| netdev->watchdog_timeo = 15 * HZ; |
| |
| |
| netdev->features |= NETIF_F_HW_TC | NETIF_F_NETNS_LOCAL; |
| netdev->hw_features |= NETIF_F_HW_TC; |
| |
| netdev->hw_features |= NETIF_F_SG; |
| netdev->hw_features |= NETIF_F_IP_CSUM; |
| netdev->hw_features |= NETIF_F_IPV6_CSUM; |
| netdev->hw_features |= NETIF_F_GRO; |
| netdev->hw_features |= NETIF_F_TSO; |
| netdev->hw_features |= NETIF_F_TSO6; |
| netdev->hw_features |= NETIF_F_RXCSUM; |
| |
| if (rep->vport != MLX5_VPORT_UPLINK) |
| netdev->features |= NETIF_F_VLAN_CHALLENGED; |
| |
| netdev->features |= netdev->hw_features; |
| } |
| |
| static int 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); |
| int err; |
| |
| err = mlx5e_netdev_init(netdev, priv, mdev, profile, ppriv); |
| if (err) |
| return err; |
| |
| priv->channels.params.num_channels = MLX5E_REP_PARAMS_DEF_NUM_CHANNELS; |
| |
| mlx5e_build_rep_params(netdev); |
| mlx5e_build_rep_netdev(netdev); |
| |
| mlx5e_timestamp_init(priv); |
| |
| return 0; |
| } |
| |
| static void mlx5e_cleanup_rep(struct mlx5e_priv *priv) |
| { |
| mlx5e_netdev_cleanup(priv->netdev, priv); |
| } |
| |
| static int mlx5e_create_rep_ttc_table(struct mlx5e_priv *priv) |
| { |
| struct ttc_params ttc_params = {}; |
| int tt, err; |
| |
| priv->fs.ns = mlx5_get_flow_namespace(priv->mdev, |
| MLX5_FLOW_NAMESPACE_KERNEL); |
| |
| /* The inner_ttc in the ttc params is intentionally not set */ |
| ttc_params.any_tt_tirn = priv->direct_tir[0].tirn; |
| mlx5e_set_ttc_ft_params(&ttc_params); |
| for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) |
| ttc_params.indir_tirn[tt] = priv->indir_tir[tt].tirn; |
| |
| err = mlx5e_create_ttc_table(priv, &ttc_params, &priv->fs.ttc); |
| if (err) { |
| netdev_err(priv->netdev, "Failed to create rep ttc table, err=%d\n", err); |
| return err; |
| } |
| return 0; |
| } |
| |
| static int mlx5e_create_rep_vport_rx_rule(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; |
| struct mlx5_flow_destination dest; |
| |
| dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR; |
| dest.tir_num = priv->direct_tir[0].tirn; |
| flow_rule = mlx5_eswitch_create_vport_rx_rule(esw, |
| rep->vport, |
| &dest); |
| if (IS_ERR(flow_rule)) |
| return PTR_ERR(flow_rule); |
| rpriv->vport_rx_rule = flow_rule; |
| return 0; |
| } |
| |
| static int mlx5e_init_rep_rx(struct mlx5e_priv *priv) |
| { |
| struct mlx5_core_dev *mdev = priv->mdev; |
| int err; |
| |
| mlx5e_init_l2_addr(priv); |
| |
| err = mlx5e_open_drop_rq(priv, &priv->drop_rq); |
| if (err) { |
| mlx5_core_err(mdev, "open drop rq failed, %d\n", err); |
| return err; |
| } |
| |
| err = mlx5e_create_indirect_rqt(priv); |
| if (err) |
| goto err_close_drop_rq; |
| |
| err = mlx5e_create_direct_rqts(priv); |
| if (err) |
| goto err_destroy_indirect_rqts; |
| |
| err = mlx5e_create_indirect_tirs(priv, false); |
| if (err) |
| goto err_destroy_direct_rqts; |
| |
| err = mlx5e_create_direct_tirs(priv); |
| if (err) |
| goto err_destroy_indirect_tirs; |
| |
| err = mlx5e_create_rep_ttc_table(priv); |
| if (err) |
| goto err_destroy_direct_tirs; |
| |
| err = mlx5e_create_rep_vport_rx_rule(priv); |
| if (err) |
| goto err_destroy_ttc_table; |
| |
| return 0; |
| |
| err_destroy_ttc_table: |
| mlx5e_destroy_ttc_table(priv, &priv->fs.ttc); |
| err_destroy_direct_tirs: |
| mlx5e_destroy_direct_tirs(priv); |
| err_destroy_indirect_tirs: |
| mlx5e_destroy_indirect_tirs(priv, false); |
| err_destroy_direct_rqts: |
| mlx5e_destroy_direct_rqts(priv); |
| err_destroy_indirect_rqts: |
| mlx5e_destroy_rqt(priv, &priv->indir_rqt); |
| err_close_drop_rq: |
| mlx5e_close_drop_rq(&priv->drop_rq); |
| 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_ttc_table(priv, &priv->fs.ttc); |
| mlx5e_destroy_direct_tirs(priv); |
| mlx5e_destroy_indirect_tirs(priv, false); |
| mlx5e_destroy_direct_rqts(priv); |
| mlx5e_destroy_rqt(priv, &priv->indir_rqt); |
| mlx5e_close_drop_rq(&priv->drop_rq); |
| } |
| |
| static int mlx5e_init_rep_tx(struct mlx5e_priv *priv) |
| { |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| struct mlx5_rep_uplink_priv *uplink_priv; |
| int tc, err; |
| |
| err = mlx5e_create_tises(priv); |
| if (err) { |
| mlx5_core_warn(priv->mdev, "create tises failed, %d\n", err); |
| return err; |
| } |
| |
| if (rpriv->rep->vport == MLX5_VPORT_UPLINK) { |
| uplink_priv = &rpriv->uplink_priv; |
| |
| INIT_LIST_HEAD(&uplink_priv->unready_flows); |
| |
| /* init shared tc flow table */ |
| err = mlx5e_tc_esw_init(&uplink_priv->tc_ht); |
| if (err) |
| goto destroy_tises; |
| |
| mlx5_init_port_tun_entropy(&uplink_priv->tun_entropy, priv->mdev); |
| |
| /* init indirect block notifications */ |
| INIT_LIST_HEAD(&uplink_priv->tc_indr_block_priv_list); |
| uplink_priv->netdevice_nb.notifier_call = mlx5e_nic_rep_netdevice_event; |
| err = register_netdevice_notifier(&uplink_priv->netdevice_nb); |
| if (err) { |
| mlx5_core_err(priv->mdev, "Failed to register netdev notifier\n"); |
| goto tc_esw_cleanup; |
| } |
| } |
| |
| return 0; |
| |
| tc_esw_cleanup: |
| mlx5e_tc_esw_cleanup(&uplink_priv->tc_ht); |
| destroy_tises: |
| for (tc = 0; tc < priv->profile->max_tc; tc++) |
| mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); |
| return err; |
| } |
| |
| static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv) |
| { |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| int tc; |
| |
| for (tc = 0; tc < priv->profile->max_tc; tc++) |
| mlx5e_destroy_tis(priv->mdev, priv->tisn[tc]); |
| |
| if (rpriv->rep->vport == MLX5_VPORT_UPLINK) { |
| /* clean indirect TC block notifications */ |
| unregister_netdevice_notifier(&rpriv->uplink_priv.netdevice_nb); |
| mlx5e_rep_indr_clean_block_privs(rpriv); |
| |
| /* delete shared tc flow table */ |
| mlx5e_tc_esw_cleanup(&rpriv->uplink_priv.tc_ht); |
| } |
| } |
| |
| static void mlx5e_vf_rep_enable(struct mlx5e_priv *priv) |
| { |
| struct net_device *netdev = priv->netdev; |
| struct mlx5_core_dev *mdev = priv->mdev; |
| u16 max_mtu; |
| |
| 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 int uplink_rep_async_event(struct notifier_block *nb, unsigned long event, void *data) |
| { |
| struct mlx5e_priv *priv = container_of(nb, struct mlx5e_priv, events_nb); |
| |
| if (event == MLX5_EVENT_TYPE_PORT_CHANGE) { |
| struct mlx5_eqe *eqe = data; |
| |
| switch (eqe->sub_type) { |
| case MLX5_PORT_CHANGE_SUBTYPE_DOWN: |
| case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE: |
| queue_work(priv->wq, &priv->update_carrier_work); |
| break; |
| default: |
| return NOTIFY_DONE; |
| } |
| |
| return NOTIFY_OK; |
| } |
| |
| if (event == MLX5_DEV_EVENT_PORT_AFFINITY) { |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| |
| queue_work(priv->wq, &rpriv->uplink_priv.reoffload_flows_work); |
| |
| return NOTIFY_OK; |
| } |
| |
| return NOTIFY_DONE; |
| } |
| |
| static void mlx5e_uplink_rep_enable(struct mlx5e_priv *priv) |
| { |
| struct net_device *netdev = priv->netdev; |
| struct mlx5_core_dev *mdev = priv->mdev; |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| u16 max_mtu; |
| |
| netdev->min_mtu = ETH_MIN_MTU; |
| mlx5_query_port_max_mtu(priv->mdev, &max_mtu, 1); |
| netdev->max_mtu = MLX5E_HW2SW_MTU(&priv->channels.params, max_mtu); |
| mlx5e_set_dev_port_mtu(priv); |
| |
| INIT_WORK(&rpriv->uplink_priv.reoffload_flows_work, |
| mlx5e_tc_reoffload_flows_work); |
| |
| mlx5_lag_add(mdev, netdev); |
| priv->events_nb.notifier_call = uplink_rep_async_event; |
| mlx5_notifier_register(mdev, &priv->events_nb); |
| #ifdef CONFIG_MLX5_CORE_EN_DCB |
| mlx5e_dcbnl_initialize(priv); |
| mlx5e_dcbnl_init_app(priv); |
| #endif |
| } |
| |
| static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv) |
| { |
| struct mlx5_core_dev *mdev = priv->mdev; |
| struct mlx5e_rep_priv *rpriv = priv->ppriv; |
| |
| #ifdef CONFIG_MLX5_CORE_EN_DCB |
| mlx5e_dcbnl_delete_app(priv); |
| #endif |
| mlx5_notifier_unregister(mdev, &priv->events_nb); |
| cancel_work_sync(&rpriv->uplink_priv.reoffload_flows_work); |
| mlx5_lag_remove(mdev); |
| } |
| |
| static const struct mlx5e_profile mlx5e_vf_rep_profile = { |
| .init = mlx5e_init_rep, |
| .cleanup = mlx5e_cleanup_rep, |
| .init_rx = mlx5e_init_rep_rx, |
| .cleanup_rx = mlx5e_cleanup_rep_rx, |
| .init_tx = mlx5e_init_rep_tx, |
| .cleanup_tx = mlx5e_cleanup_rep_tx, |
| .enable = mlx5e_vf_rep_enable, |
| .update_stats = mlx5e_vf_rep_update_hw_counters, |
| .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep, |
| .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, |
| .max_tc = 1, |
| }; |
| |
| static const struct mlx5e_profile mlx5e_uplink_rep_profile = { |
| .init = mlx5e_init_rep, |
| .cleanup = mlx5e_cleanup_rep, |
| .init_rx = mlx5e_init_rep_rx, |
| .cleanup_rx = mlx5e_cleanup_rep_rx, |
| .init_tx = mlx5e_init_rep_tx, |
| .cleanup_tx = mlx5e_cleanup_rep_tx, |
| .enable = mlx5e_uplink_rep_enable, |
| .disable = mlx5e_uplink_rep_disable, |
| .update_stats = mlx5e_uplink_rep_update_hw_counters, |
| .update_carrier = mlx5e_update_carrier, |
| .rx_handlers.handle_rx_cqe = mlx5e_handle_rx_cqe_rep, |
| .rx_handlers.handle_rx_cqe_mpwqe = mlx5e_handle_rx_cqe_mpwrq, |
| .max_tc = MLX5E_MAX_NUM_TC, |
| }; |
| |
| /* e-Switch vport representors */ |
| static int |
| mlx5e_vport_rep_load(struct mlx5_core_dev *dev, struct mlx5_eswitch_rep *rep) |
| { |
| const struct mlx5e_profile *profile; |
| struct mlx5e_rep_priv *rpriv; |
| struct net_device *netdev; |
| int nch, err; |
| |
| rpriv = kzalloc(sizeof(*rpriv), GFP_KERNEL); |
| if (!rpriv) |
| return -ENOMEM; |
| |
| /* rpriv->rep to be looked up when profile->init() is called */ |
| rpriv->rep = rep; |
| |
| nch = mlx5e_get_max_num_channels(dev); |
| profile = (rep->vport == MLX5_VPORT_UPLINK) ? &mlx5e_uplink_rep_profile : &mlx5e_vf_rep_profile; |
| netdev = mlx5e_create_netdev(dev, profile, nch, rpriv); |
| if (!netdev) { |
| pr_warn("Failed to create representor netdev for vport %d\n", |
| rep->vport); |
| kfree(rpriv); |
| return -EINVAL; |
| } |
| |
| rpriv->netdev = netdev; |
| rep->rep_if[REP_ETH].priv = rpriv; |
| INIT_LIST_HEAD(&rpriv->vport_sqs_list); |
| |
| if (rep->vport == MLX5_VPORT_UPLINK) { |
| err = mlx5e_create_mdev_resources(dev); |
| if (err) |
| goto err_destroy_netdev; |
| } |
| |
| 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_mdev_resources; |
| } |
| |
| 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; |
| } |
| |
| err = register_netdev(netdev); |
| if (err) { |
| pr_warn("Failed to register representor netdev for vport %d\n", |
| rep->vport); |
| goto err_neigh_cleanup; |
| } |
| |
| return 0; |
| |
| err_neigh_cleanup: |
| mlx5e_rep_neigh_cleanup(rpriv); |
| |
| err_detach_netdev: |
| mlx5e_detach_netdev(netdev_priv(netdev)); |
| |
| err_destroy_mdev_resources: |
| if (rep->vport == MLX5_VPORT_UPLINK) |
| mlx5e_destroy_mdev_resources(dev); |
| |
| 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); |
| void *ppriv = priv->ppriv; |
| |
| unregister_netdev(netdev); |
| mlx5e_rep_neigh_cleanup(rpriv); |
| mlx5e_detach_netdev(priv); |
| if (rep->vport == MLX5_VPORT_UPLINK) |
| mlx5e_destroy_mdev_resources(priv->mdev); |
| 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; |
| } |
| |
| void mlx5e_rep_register_vport_reps(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| 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_reps(esw, &rep_if, REP_ETH); |
| } |
| |
| void mlx5e_rep_unregister_vport_reps(struct mlx5_core_dev *mdev) |
| { |
| struct mlx5_eswitch *esw = mdev->priv.eswitch; |
| |
| mlx5_eswitch_unregister_vport_reps(esw, REP_ETH); |
| } |