/* * 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 #include #include #include #include #include #include #include "eswitch.h" #include "en.h" #include "en_rep.h" #include "en/txrx.h" #include "en_tc.h" #include "en/rep/tc.h" #include "en/rep/neigh.h" #include "fs_core.h" #include "lib/mlx5.h" #define CREATE_TRACE_POINTS #include "diag/en_rep_tracepoint.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"; static void mlx5e_rep_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5_core_dev *mdev = priv->mdev; int count; strlcpy(drvinfo->driver, mlx5e_rep_driver_name, sizeof(drvinfo->driver)); count = snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%04d (%.16s)", fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev), mdev->board_id); if (count >= sizeof(drvinfo->fw_version)) snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), "%d.%d.%04d", fw_rev_maj(mdev), fw_rev_min(mdev), fw_rev_sub(mdev)); } static void mlx5e_uplink_rep_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *drvinfo) { struct mlx5e_priv *priv = netdev_priv(dev); mlx5e_rep_get_drvinfo(dev, drvinfo); strlcpy(drvinfo->bus_info, pci_name(priv->mdev->pdev), sizeof(drvinfo->bus_info)); } 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 MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(sw_rep) { return NUM_VPORT_REP_SW_COUNTERS; } static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(sw_rep) { int i; for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++) strcpy(data + (idx++) * ETH_GSTRING_LEN, sw_rep_stats_desc[i].format); return idx; } static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(sw_rep) { int i; for (i = 0; i < NUM_VPORT_REP_SW_COUNTERS; i++) data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.sw, sw_rep_stats_desc, i); return idx; } static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(sw_rep) { 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 MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(vport_rep) { return NUM_VPORT_REP_HW_COUNTERS; } static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(vport_rep) { int i; for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++) strcpy(data + (idx++) * ETH_GSTRING_LEN, vport_rep_stats_desc[i].format); return idx; } static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(vport_rep) { int i; for (i = 0; i < NUM_VPORT_REP_HW_COUNTERS; i++) data[idx++] = MLX5E_READ_CTR64_CPU(&priv->stats.vf_vport, vport_rep_stats_desc, i); return idx; } static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(vport_rep) { 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) { netdev_warn(priv->netdev, "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_rep_get_strings(struct net_device *dev, u32 stringset, uint8_t *data) { struct mlx5e_priv *priv = netdev_priv(dev); switch (stringset) { case ETH_SS_STATS: mlx5e_stats_fill_strings(priv, data); break; } } static void mlx5e_rep_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 *data) { struct mlx5e_priv *priv = netdev_priv(dev); mlx5e_ethtool_get_ethtool_stats(priv, stats, data); } static int mlx5e_rep_get_sset_count(struct net_device *dev, int sset) { struct mlx5e_priv *priv = netdev_priv(dev); switch (sset) { case ETH_SS_STATS: return mlx5e_stats_total_num(priv); 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 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); return mlx5e_ethtool_set_channels(priv, ch); } 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_pause_stats(struct net_device *netdev, struct ethtool_pause_stats *stats) { struct mlx5e_priv *priv = netdev_priv(netdev); mlx5e_stats_pause_get(priv, stats); } 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_rep_ethtool_ops = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES | ETHTOOL_COALESCE_USE_ADAPTIVE, .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 = { .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES | ETHTOOL_COALESCE_USE_ADAPTIVE, .get_drvinfo = mlx5e_uplink_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_rxfh = mlx5e_get_rxfh, .set_rxfh = mlx5e_set_rxfh, .get_rxnfc = mlx5e_get_rxnfc, .set_rxnfc = mlx5e_set_rxnfc, .get_pause_stats = mlx5e_uplink_rep_get_pause_stats, .get_pauseparam = mlx5e_uplink_rep_get_pauseparam, .set_pauseparam = mlx5e_uplink_rep_set_pauseparam, }; 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 != MLX5_ESWITCH_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 != MLX5_ESWITCH_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 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_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_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; } 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_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_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_ctx); } 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 struct devlink_port *mlx5e_rep_get_devlink_port(struct net_device *netdev) { struct mlx5e_priv *priv = netdev_priv(netdev); struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_core_dev *dev = priv->mdev; return mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport); } static int mlx5e_rep_change_carrier(struct net_device *dev, bool new_carrier) { struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; int err; if (new_carrier) { err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT, rep->vport, 1, MLX5_VPORT_ADMIN_STATE_UP); if (err) return err; netif_carrier_on(dev); } else { err = mlx5_modify_vport_admin_state(priv->mdev, MLX5_VPORT_STATE_OP_MOD_ESW_VPORT, rep->vport, 1, MLX5_VPORT_ADMIN_STATE_DOWN); if (err) return err; netif_carrier_off(dev); } return 0; } 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_setup_tc = mlx5e_rep_setup_tc, .ndo_get_devlink_port = mlx5e_rep_get_devlink_port, .ndo_get_stats64 = mlx5e_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_rep_change_mtu, .ndo_change_carrier = mlx5e_rep_change_carrier, }; 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_setup_tc = mlx5e_rep_setup_tc, .ndo_get_devlink_port = mlx5e_rep_get_devlink_port, .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 = udp_tunnel_nic_add_port, .ndo_udp_tunnel_del = udp_tunnel_nic_del_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_set_features = mlx5e_set_features, }; bool mlx5e_eswitch_uplink_rep(struct net_device *netdev) { return netdev->netdev_ops == &mlx5e_netdev_ops_uplink_rep; } bool mlx5e_eswitch_vf_rep(struct net_device *netdev) { return netdev->netdev_ops == &mlx5e_netdev_ops_rep; } 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; params->tunneled_offload_en = false; if (rep->vport != MLX5_VPORT_UPLINK) params->vlan_strip_disable = true; 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; SET_NETDEV_DEV(netdev, mdev->device); if (rep->vport == MLX5_VPORT_UPLINK) { netdev->netdev_ops = &mlx5e_netdev_ops_uplink_rep; /* we want a persistent mac for the uplink rep */ mlx5_query_mac_address(mdev, netdev->dev_addr); netdev->ethtool_ops = &mlx5e_uplink_rep_ethtool_ops; mlx5e_vxlan_set_netdev_info(priv); mlx5e_dcbnl_build_rep_netdev(netdev); } else { netdev->netdev_ops = &mlx5e_netdev_ops_rep; eth_hw_addr_random(netdev); netdev->ethtool_ops = &mlx5e_rep_ethtool_ops; } netdev->watchdog_timeo = 15 * HZ; netdev->features |= NETIF_F_NETNS_LOCAL; #if IS_ENABLED(CONFIG_MLX5_CLS_ACT) netdev->hw_features |= NETIF_F_HW_TC; #endif 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->hw_features |= NETIF_F_HW_VLAN_CTAG_RX; else 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 mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; 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); if (rep->vport != MLX5_VPORT_UPLINK) /* To give uplik rep TTC a lower level for chaining from root ft */ ttc_params.ft_attr.level = MLX5E_TTC_FT_LEVEL + 1; 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_root_ft(struct mlx5e_priv *priv) { struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; struct mlx5_flow_table_attr ft_attr = {}; struct mlx5_flow_namespace *ns; int err = 0; if (rep->vport != MLX5_VPORT_UPLINK) { /* non uplik reps will skip any bypass tables and go directly to * their own ttc */ rpriv->root_ft = priv->fs.ttc.ft.t; return 0; } /* uplink root ft will be used to auto chain, to ethtool or ttc tables */ ns = mlx5_get_flow_namespace(priv->mdev, MLX5_FLOW_NAMESPACE_OFFLOADS); if (!ns) { netdev_err(priv->netdev, "Failed to get reps offloads namespace\n"); return -EOPNOTSUPP; } ft_attr.max_fte = 0; /* Empty table, miss rule will always point to next table */ ft_attr.prio = 1; ft_attr.level = 1; rpriv->root_ft = mlx5_create_flow_table(ns, &ft_attr); if (IS_ERR(rpriv->root_ft)) { err = PTR_ERR(rpriv->root_ft); rpriv->root_ft = NULL; } return err; } static void mlx5e_destroy_rep_root_ft(struct mlx5e_priv *priv) { struct mlx5e_rep_priv *rpriv = priv->ppriv; struct mlx5_eswitch_rep *rep = rpriv->rep; if (rep->vport != MLX5_VPORT_UPLINK) return; mlx5_destroy_flow_table(rpriv->root_ft); } 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_FLOW_TABLE; dest.ft = rpriv->root_ft; 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 void rep_vport_rx_rule_destroy(struct mlx5e_priv *priv) { struct mlx5e_rep_priv *rpriv = priv->ppriv; if (!rpriv->vport_rx_rule) return; mlx5_del_flow_rules(rpriv->vport_rx_rule); rpriv->vport_rx_rule = NULL; } int mlx5e_rep_bond_update(struct mlx5e_priv *priv, bool cleanup) { rep_vport_rx_rule_destroy(priv); return cleanup ? 0 : mlx5e_create_rep_vport_rx_rule(priv); } 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, priv->direct_tir); 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, priv->direct_tir); 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_root_ft(priv); if (err) goto err_destroy_ttc_table; err = mlx5e_create_rep_vport_rx_rule(priv); if (err) goto err_destroy_root_ft; mlx5e_ethtool_init_steering(priv); return 0; err_destroy_root_ft: mlx5e_destroy_rep_root_ft(priv); err_destroy_ttc_table: mlx5e_destroy_ttc_table(priv, &priv->fs.ttc); err_destroy_direct_tirs: mlx5e_destroy_direct_tirs(priv, priv->direct_tir); err_destroy_indirect_tirs: mlx5e_destroy_indirect_tirs(priv); err_destroy_direct_rqts: mlx5e_destroy_direct_rqts(priv, priv->direct_tir); 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) { mlx5e_ethtool_cleanup_steering(priv); rep_vport_rx_rule_destroy(priv); mlx5e_destroy_rep_root_ft(priv); mlx5e_destroy_ttc_table(priv, &priv->fs.ttc); mlx5e_destroy_direct_tirs(priv, priv->direct_tir); mlx5e_destroy_indirect_tirs(priv); mlx5e_destroy_direct_rqts(priv, priv->direct_tir); mlx5e_destroy_rqt(priv, &priv->indir_rqt); mlx5e_close_drop_rq(&priv->drop_rq); } static int mlx5e_init_ul_rep_rx(struct mlx5e_priv *priv) { mlx5e_create_q_counters(priv); return mlx5e_init_rep_rx(priv); } static void mlx5e_cleanup_ul_rep_rx(struct mlx5e_priv *priv) { mlx5e_cleanup_rep_rx(priv); mlx5e_destroy_q_counters(priv); } static int mlx5e_init_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) { struct mlx5_rep_uplink_priv *uplink_priv; struct net_device *netdev; struct mlx5e_priv *priv; int err; netdev = rpriv->netdev; priv = netdev_priv(netdev); uplink_priv = &rpriv->uplink_priv; err = mlx5e_rep_tc_init(rpriv); if (err) return err; mlx5_init_port_tun_entropy(&uplink_priv->tun_entropy, priv->mdev); mlx5e_rep_bond_init(rpriv); err = mlx5e_rep_tc_netdevice_event_register(rpriv); if (err) { mlx5_core_err(priv->mdev, "Failed to register netdev notifier, err: %d\n", err); goto err_event_reg; } return 0; err_event_reg: mlx5e_rep_bond_cleanup(rpriv); mlx5e_rep_tc_cleanup(rpriv); return err; } static int mlx5e_init_rep_tx(struct mlx5e_priv *priv) { struct mlx5e_rep_priv *rpriv = priv->ppriv; int 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) { err = mlx5e_init_uplink_rep_tx(rpriv); if (err) goto destroy_tises; } return 0; destroy_tises: mlx5e_destroy_tises(priv); return err; } static void mlx5e_cleanup_uplink_rep_tx(struct mlx5e_rep_priv *rpriv) { mlx5e_rep_tc_netdevice_event_unregister(rpriv); mlx5e_rep_bond_cleanup(rpriv); mlx5e_rep_tc_cleanup(rpriv); } static void mlx5e_cleanup_rep_tx(struct mlx5e_priv *priv) { struct mlx5e_rep_priv *rpriv = priv->ppriv; mlx5e_destroy_tises(priv); if (rpriv->rep->vport == MLX5_VPORT_UPLINK) mlx5e_cleanup_uplink_rep_tx(rpriv); } static void mlx5e_rep_enable(struct mlx5e_priv *priv) { mlx5e_set_netdev_mtu_boundaries(priv); } static int mlx5e_update_rep_rx(struct mlx5e_priv *priv) { return 0; } 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) return mlx5e_rep_tc_event_port_affinity(priv); 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; 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); mlx5e_rep_tc_enable(priv); mlx5_modify_vport_admin_state(mdev, MLX5_VPORT_STATE_OP_MOD_UPLINK, 0, 0, MLX5_VPORT_ADMIN_STATE_AUTO); mlx5_lag_add(mdev, netdev); priv->events_nb.notifier_call = uplink_rep_async_event; mlx5_notifier_register(mdev, &priv->events_nb); mlx5e_dcbnl_initialize(priv); mlx5e_dcbnl_init_app(priv); } static void mlx5e_uplink_rep_disable(struct mlx5e_priv *priv) { struct mlx5_core_dev *mdev = priv->mdev; mlx5e_dcbnl_delete_app(priv); mlx5_notifier_unregister(mdev, &priv->events_nb); mlx5e_rep_tc_disable(priv); mlx5_lag_remove(mdev); } static MLX5E_DEFINE_STATS_GRP(sw_rep, 0); static MLX5E_DEFINE_STATS_GRP(vport_rep, MLX5E_NDO_UPDATE_STATS); /* The stats groups order is opposite to the update_stats() order calls */ static mlx5e_stats_grp_t mlx5e_rep_stats_grps[] = { &MLX5E_STATS_GRP(sw_rep), &MLX5E_STATS_GRP(vport_rep), }; static unsigned int mlx5e_rep_stats_grps_num(struct mlx5e_priv *priv) { return ARRAY_SIZE(mlx5e_rep_stats_grps); } /* The stats groups order is opposite to the update_stats() order calls */ static mlx5e_stats_grp_t mlx5e_ul_rep_stats_grps[] = { &MLX5E_STATS_GRP(sw), &MLX5E_STATS_GRP(qcnt), &MLX5E_STATS_GRP(vnic_env), &MLX5E_STATS_GRP(vport), &MLX5E_STATS_GRP(802_3), &MLX5E_STATS_GRP(2863), &MLX5E_STATS_GRP(2819), &MLX5E_STATS_GRP(phy), &MLX5E_STATS_GRP(eth_ext), &MLX5E_STATS_GRP(pcie), &MLX5E_STATS_GRP(per_prio), &MLX5E_STATS_GRP(pme), &MLX5E_STATS_GRP(channels), &MLX5E_STATS_GRP(per_port_buff_congest), }; static unsigned int mlx5e_ul_rep_stats_grps_num(struct mlx5e_priv *priv) { return ARRAY_SIZE(mlx5e_ul_rep_stats_grps); } static const struct mlx5e_profile mlx5e_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_rep_enable, .update_rx = mlx5e_update_rep_rx, .update_stats = mlx5e_stats_update_ndo_stats, .rx_handlers = &mlx5e_rx_handlers_rep, .max_tc = 1, .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), .stats_grps = mlx5e_rep_stats_grps, .stats_grps_num = mlx5e_rep_stats_grps_num, }; static const struct mlx5e_profile mlx5e_uplink_rep_profile = { .init = mlx5e_init_rep, .cleanup = mlx5e_cleanup_rep, .init_rx = mlx5e_init_ul_rep_rx, .cleanup_rx = mlx5e_cleanup_ul_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_rx = mlx5e_update_rep_rx, .update_stats = mlx5e_stats_update_ndo_stats, .update_carrier = mlx5e_update_carrier, .rx_handlers = &mlx5e_rx_handlers_rep, .max_tc = MLX5E_MAX_NUM_TC, .rq_groups = MLX5E_NUM_RQ_GROUPS(REGULAR), .stats_grps = mlx5e_ul_rep_stats_grps, .stats_grps_num = mlx5e_ul_rep_stats_grps_num, }; /* 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 devlink_port *dl_port; 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_rep_profile; netdev = mlx5e_create_netdev(dev, profile, nch, rpriv); if (!netdev) { mlx5_core_warn(dev, "Failed to create representor netdev for vport %d\n", rep->vport); kfree(rpriv); return -EINVAL; } dev_net_set(netdev, mlx5_core_net(dev)); rpriv->netdev = netdev; rep->rep_data[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) { netdev_warn(netdev, "Failed to attach representor netdev for vport %d\n", rep->vport); goto err_destroy_mdev_resources; } err = mlx5e_rep_neigh_init(rpriv); if (err) { netdev_warn(netdev, "Failed to initialized neighbours handling for vport %d\n", rep->vport); goto err_detach_netdev; } err = register_netdev(netdev); if (err) { netdev_warn(netdev, "Failed to register representor netdev for vport %d\n", rep->vport); goto err_neigh_cleanup; } dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport); if (dl_port) devlink_port_type_eth_set(dl_port, netdev); 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); struct mlx5_core_dev *dev = priv->mdev; struct devlink_port *dl_port; void *ppriv = priv->ppriv; dl_port = mlx5_esw_offloads_devlink_port(dev->priv.eswitch, rpriv->rep->vport); if (dl_port) devlink_port_type_clear(dl_port); 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; } static const struct mlx5_eswitch_rep_ops rep_ops = { .load = mlx5e_vport_rep_load, .unload = mlx5e_vport_rep_unload, .get_proto_dev = mlx5e_vport_rep_get_proto_dev }; void mlx5e_rep_register_vport_reps(struct mlx5_core_dev *mdev) { struct mlx5_eswitch *esw = mdev->priv.eswitch; mlx5_eswitch_register_vport_reps(esw, &rep_ops, 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); }