diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 1236b27b149386ab61f1c25ab26c84d43d561ab9..2b7dd315020cd9e1a21b28643621122695cd06dd 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3675,14 +3675,8 @@ static void mlx5e_nic_init(struct mlx5_core_dev *mdev, static void mlx5e_nic_cleanup(struct mlx5e_priv *priv) { - struct mlx5_core_dev *mdev = priv->mdev; - struct mlx5_eswitch *esw = mdev->priv.eswitch; - mlx5e_vxlan_cleanup(priv); - if (MLX5_CAP_GEN(mdev, vport_group_manager)) - mlx5_eswitch_unregister_vport_rep(esw, 0); - if (priv->xdp_prog) bpf_prog_put(priv->xdp_prog); } @@ -3807,9 +3801,14 @@ static void mlx5e_nic_enable(struct mlx5e_priv *priv) static void mlx5e_nic_disable(struct mlx5e_priv *priv) { + struct mlx5_core_dev *mdev = priv->mdev; + struct mlx5_eswitch *esw = mdev->priv.eswitch; + queue_work(priv->wq, &priv->set_rx_mode_work); + if (MLX5_CAP_GEN(mdev, vport_group_manager)) + mlx5_eswitch_unregister_vport_rep(esw, 0); mlx5e_disable_async_events(priv); - mlx5_lag_remove(priv->mdev); + mlx5_lag_remove(mdev); } static const struct mlx5e_profile mlx5e_nic_profile = { diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c index 1fffe48a93cc35d55d03eba9ba352590924548d2..cbfac06b7ffd1d5140226ccb87331db57d4880d8 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx_am.c @@ -109,7 +109,6 @@ static bool mlx5e_am_on_top(struct mlx5e_rx_am *am) switch (am->tune_state) { case MLX5E_AM_PARKING_ON_TOP: case MLX5E_AM_PARKING_TIRED: - WARN_ONCE(true, "mlx5e_am_on_top: PARKING\n"); return true; case MLX5E_AM_GOING_RIGHT: return (am->steps_left > 1) && (am->steps_right == 1); @@ -123,7 +122,6 @@ static void mlx5e_am_turn(struct mlx5e_rx_am *am) switch (am->tune_state) { case MLX5E_AM_PARKING_ON_TOP: case MLX5E_AM_PARKING_TIRED: - WARN_ONCE(true, "mlx5e_am_turn: PARKING\n"); break; case MLX5E_AM_GOING_RIGHT: am->tune_state = MLX5E_AM_GOING_LEFT; @@ -144,7 +142,6 @@ static int mlx5e_am_step(struct mlx5e_rx_am *am) switch (am->tune_state) { case MLX5E_AM_PARKING_ON_TOP: case MLX5E_AM_PARKING_TIRED: - WARN_ONCE(true, "mlx5e_am_step: PARKING\n"); break; case MLX5E_AM_GOING_RIGHT: if (am->profile_ix == (MLX5E_PARAMS_AM_NUM_PROFILES - 1)) @@ -282,10 +279,8 @@ static void mlx5e_am_calc_stats(struct mlx5e_rx_am_sample *start, u32 delta_us = ktime_us_delta(end->time, start->time); unsigned int npkts = end->pkt_ctr - start->pkt_ctr; - if (!delta_us) { - WARN_ONCE(true, "mlx5e_am_calc_stats: delta_us=0\n"); + if (!delta_us) return; - } curr_stats->ppms = (npkts * USEC_PER_MSEC) / delta_us; curr_stats->epms = (MLX5E_AM_NEVENTS * USEC_PER_MSEC) / delta_us; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index f8829b5171560ed2f51cd05b8c82d2a076ce8cbb..118cea5e5489e69f7496f6772b7f189d66b3ac10 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -161,15 +161,21 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv, } } +/* we get here also when setting rule to the FW failed, etc. It means that the + * flow rule itself might not exist, but some offloading related to the actions + * should be cleaned. + */ static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct mlx5_fc *counter = NULL; - counter = mlx5_flow_rule_counter(flow->rule); - - mlx5_del_flow_rules(flow->rule); + if (!IS_ERR(flow->rule)) { + counter = mlx5_flow_rule_counter(flow->rule); + mlx5_del_flow_rules(flow->rule); + mlx5_fc_destroy(priv->mdev, counter); + } if (esw && esw->mode == SRIOV_OFFLOADS) { mlx5_eswitch_del_vlan_action(esw, flow->attr); @@ -177,8 +183,6 @@ static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, mlx5e_detach_encap(priv, flow); } - mlx5_fc_destroy(priv->mdev, counter); - if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) { mlx5_destroy_flow_table(priv->fs.tc.t); priv->fs.tc.t = NULL; @@ -225,6 +229,11 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, void *headers_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, outer_headers); + struct flow_dissector_key_control *enc_control = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_ENC_CONTROL, + f->key); + if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS)) { struct flow_dissector_key_ports *key = skb_flow_dissector_target(f->dissector, @@ -237,28 +246,34 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, /* Full udp dst port must be given */ if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) - return -EOPNOTSUPP; - - /* udp src port isn't supported */ - if (memchr_inv(&mask->src, 0, sizeof(mask->src))) - return -EOPNOTSUPP; + goto vxlan_match_offload_err; if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) parse_vxlan_attr(spec, f); - else + else { + netdev_warn(priv->netdev, + "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->dst)); return -EOPNOTSUPP; + } MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_dport, ntohs(mask->dst)); MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, ntohs(key->dst)); + MLX5_SET(fte_match_set_lyr_2_4, headers_c, + udp_sport, ntohs(mask->src)); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, + udp_sport, ntohs(key->src)); } else { /* udp dst port must be given */ - return -EOPNOTSUPP; +vxlan_match_offload_err: + netdev_warn(priv->netdev, + "IP tunnel decap offload supported only for vxlan, must set UDP dport\n"); + return -EOPNOTSUPP; } - if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { + if (enc_control->addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS) { struct flow_dissector_key_ipv4_addrs *key = skb_flow_dissector_target(f->dissector, FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, @@ -280,10 +295,10 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, MLX5_SET(fte_match_set_lyr_2_4, headers_v, dst_ipv4_dst_ipv6.ipv4_layout.ipv4, ntohl(key->dst)); - } - MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); - MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); + MLX5_SET_TO_ONES(fte_match_set_lyr_2_4, headers_c, ethertype); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IP); + } /* Enforce DMAC when offloading incoming tunneled flows. * Flow counters require a match on the DMAC. @@ -346,6 +361,9 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, if (parse_tunnel_attr(priv, spec, f)) return -EOPNOTSUPP; break; + case FLOW_DISSECTOR_KEY_IPV6_ADDRS: + netdev_warn(priv->netdev, + "IPv6 tunnel decap offload isn't supported\n"); default: return -EOPNOTSUPP; } @@ -375,6 +393,10 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, MLX5_SET(fte_match_set_lyr_2_4, headers_c, frag, 1); MLX5_SET(fte_match_set_lyr_2_4, headers_v, frag, key->flags & FLOW_DIS_IS_FRAGMENT); + + /* the HW doesn't need L3 inline to match on frag=no */ + if (key->flags & FLOW_DIS_IS_FRAGMENT) + *min_inline = MLX5_INLINE_MODE_IP; } } @@ -647,17 +669,14 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, #if IS_ENABLED(CONFIG_INET) rt = ip_route_output_key(dev_net(mirred_dev), fl4); - if (IS_ERR(rt)) { - pr_warn("%s: no route to %pI4\n", __func__, &fl4->daddr); - return -EOPNOTSUPP; - } + if (IS_ERR(rt)) + return PTR_ERR(rt); #else return -EOPNOTSUPP; #endif if (!switchdev_port_same_parent_id(priv->netdev, rt->dst.dev)) { - pr_warn("%s: Can't offload the flow, netdevices aren't on the same HW e-switch\n", - __func__); + pr_warn("%s: can't offload, devices not on same HW e-switch\n", __func__); ip_rt_put(rt); return -EOPNOTSUPP; } @@ -718,12 +737,12 @@ static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, struct net_device **out_dev) { int max_encap_size = MLX5_CAP_ESW(priv->mdev, max_encap_header_size); + struct neighbour *n = NULL; struct flowi4 fl4 = {}; - struct neighbour *n; char *encap_header; int encap_size; - __be32 saddr; - int ttl; + __be32 saddr = 0; + int ttl = 0; int err; encap_header = kzalloc(max_encap_size, GFP_KERNEL); @@ -750,7 +769,8 @@ static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, e->out_dev = *out_dev; if (!(n->nud_state & NUD_VALID)) { - err = -ENOTSUPP; + pr_warn("%s: can't offload, neighbour to %pI4 invalid\n", __func__, &fl4.daddr); + err = -EOPNOTSUPP; goto out; } @@ -772,6 +792,8 @@ static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, err = mlx5_encap_alloc(priv->mdev, e->tunnel_type, encap_size, encap_header, &e->encap_id); out: + if (err && n) + neigh_release(n); kfree(encap_header); return err; } @@ -792,9 +814,17 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, int tunnel_type; int err; - /* udp dst port must be given */ + /* udp dst port must be set */ if (!memchr_inv(&key->tp_dst, 0, sizeof(key->tp_dst))) + goto vxlan_encap_offload_err; + + /* setting udp src port isn't supported */ + if (memchr_inv(&key->tp_src, 0, sizeof(key->tp_src))) { +vxlan_encap_offload_err: + netdev_warn(priv->netdev, + "must set udp dst port and not set udp src port\n"); return -EOPNOTSUPP; + } if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->tp_dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { @@ -802,6 +832,8 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, info.tun_id = tunnel_id_to_key32(key->tun_id); tunnel_type = MLX5_HEADER_TYPE_VXLAN; } else { + netdev_warn(priv->netdev, + "%d isn't an offloaded vxlan udp dport\n", be16_to_cpu(key->tp_dst)); return -EOPNOTSUPP; } @@ -809,6 +841,9 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, case AF_INET: info.daddr = key->u.ipv4.dst; break; + case AF_INET6: + netdev_warn(priv->netdev, + "IPv6 tunnel encap offload isn't supported\n"); default: return -EOPNOTSUPP; } @@ -986,7 +1021,7 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol, if (IS_ERR(flow->rule)) { err = PTR_ERR(flow->rule); - goto err_free; + goto err_del_rule; } err = rhashtable_insert_fast(&tc->ht, &flow->node, @@ -997,7 +1032,7 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol, goto out; err_del_rule: - mlx5_del_flow_rules(flow->rule); + mlx5e_tc_del_flow(priv, flow); err_free: kfree(flow); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 6547f22e6b9b919010eada133093654348dff671..d01e9f21d4691ea497aa7ea0666c83e330c078bb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -1195,7 +1195,8 @@ static int mlx5_unload_one(struct mlx5_core_dev *dev, struct mlx5_priv *priv, { int err = 0; - mlx5_drain_health_wq(dev); + if (cleanup) + mlx5_drain_health_wq(dev); mutex_lock(&dev->intf_state_mutex); if (test_bit(MLX5_INTERFACE_STATE_DOWN, &dev->intf_state)) { @@ -1359,9 +1360,10 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, mlx5_enter_error_state(dev); mlx5_unload_one(dev, priv, false); - /* In case of kernel call save the pci state */ + /* In case of kernel call save the pci state and drain the health wq */ if (state) { pci_save_state(pdev); + mlx5_drain_health_wq(dev); mlx5_pci_disable_device(dev); }