diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_tc.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 77 |
1 files changed, 52 insertions, 25 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index e9888d6c1f7c..c28fe469b04a 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -50,7 +50,7 @@ #include "en_rep.h" #include "en_tc.h" #include "eswitch.h" -#include "vxlan.h" +#include "lib/vxlan.h" #include "fs_core.h" #include "en/port.h" @@ -1124,16 +1124,12 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, skb_flow_dissector_target(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS, f->mask); - struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; - struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); - struct net_device *up_dev = uplink_rpriv->netdev; - struct mlx5e_priv *up_priv = netdev_priv(up_dev); /* Full udp dst port must be given */ if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) goto vxlan_match_offload_err; - if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) && + if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) parse_vxlan_attr(spec, f); else { @@ -1211,6 +1207,26 @@ vxlan_match_offload_err: MLX5_SET(fte_match_set_lyr_2_4, headers_v, ethertype, ETH_P_IPV6); } + if (dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ENC_IP)) { + struct flow_dissector_key_ip *key = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_ENC_IP, + f->key); + struct flow_dissector_key_ip *mask = + skb_flow_dissector_target(f->dissector, + FLOW_DISSECTOR_KEY_ENC_IP, + f->mask); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_ecn, mask->tos & 0x3); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_ecn, key->tos & 0x3); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_dscp, mask->tos >> 2); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_dscp, key->tos >> 2); + + MLX5_SET(fte_match_set_lyr_2_4, headers_c, ttl_hoplimit, mask->ttl); + MLX5_SET(fte_match_set_lyr_2_4, headers_v, ttl_hoplimit, key->ttl); + } + /* Enforce DMAC when offloading incoming tunneled flows. * Flow counters require a match on the DMAC. */ @@ -1259,7 +1275,8 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | BIT(FLOW_DISSECTOR_KEY_TCP) | - BIT(FLOW_DISSECTOR_KEY_IP))) { + BIT(FLOW_DISSECTOR_KEY_IP) | + BIT(FLOW_DISSECTOR_KEY_ENC_IP))) { netdev_warn(priv->netdev, "Unsupported key used: 0x%x\n", f->dissector->used_keys); return -EOPNOTSUPP; @@ -2004,6 +2021,10 @@ static bool actions_match_supported(struct mlx5e_priv *priv, else actions = flow->nic_attr->action; + if (flow->flags & MLX5E_TC_FLOW_EGRESS && + !(actions & MLX5_FLOW_CONTEXT_ACTION_DECAP)) + return false; + if (actions & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR) return modify_header_match_supported(&parse_attr->spec, exts); @@ -2125,7 +2146,7 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, struct net_device **out_dev, struct flowi4 *fl4, struct neighbour **out_n, - int *out_ttl) + u8 *out_ttl) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; struct mlx5e_rep_priv *uplink_rpriv; @@ -2149,7 +2170,8 @@ static int mlx5e_route_lookup_ipv4(struct mlx5e_priv *priv, else *out_dev = rt->dst.dev; - *out_ttl = ip4_dst_hoplimit(&rt->dst); + if (!(*out_ttl)) + *out_ttl = ip4_dst_hoplimit(&rt->dst); n = dst_neigh_lookup(&rt->dst, &fl4->daddr); ip_rt_put(rt); if (!n) @@ -2178,7 +2200,7 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, struct net_device **out_dev, struct flowi6 *fl6, struct neighbour **out_n, - int *out_ttl) + u8 *out_ttl) { struct neighbour *n = NULL; struct dst_entry *dst; @@ -2193,7 +2215,8 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, if (ret < 0) return ret; - *out_ttl = ip6_dst_hoplimit(dst); + if (!(*out_ttl)) + *out_ttl = ip6_dst_hoplimit(dst); uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, REP_ETH); /* if the egress device isn't on the same HW e-switch, we use the uplink */ @@ -2217,7 +2240,7 @@ static int mlx5e_route_lookup_ipv6(struct mlx5e_priv *priv, static void gen_vxlan_header_ipv4(struct net_device *out_dev, char buf[], int encap_size, unsigned char h_dest[ETH_ALEN], - int ttl, + u8 tos, u8 ttl, __be32 daddr, __be32 saddr, __be16 udp_dst_port, @@ -2237,6 +2260,7 @@ static void gen_vxlan_header_ipv4(struct net_device *out_dev, ip->daddr = daddr; ip->saddr = saddr; + ip->tos = tos; ip->ttl = ttl; ip->protocol = IPPROTO_UDP; ip->version = 0x4; @@ -2250,7 +2274,7 @@ static void gen_vxlan_header_ipv4(struct net_device *out_dev, static void gen_vxlan_header_ipv6(struct net_device *out_dev, char buf[], int encap_size, unsigned char h_dest[ETH_ALEN], - int ttl, + u8 tos, u8 ttl, struct in6_addr *daddr, struct in6_addr *saddr, __be16 udp_dst_port, @@ -2267,7 +2291,7 @@ static void gen_vxlan_header_ipv6(struct net_device *out_dev, ether_addr_copy(eth->h_source, out_dev->dev_addr); eth->h_proto = htons(ETH_P_IPV6); - ip6_flow_hdr(ip6h, 0, 0); + ip6_flow_hdr(ip6h, tos, 0); /* the HW fills up ipv6 payload len */ ip6h->nexthdr = IPPROTO_UDP; ip6h->hop_limit = ttl; @@ -2289,9 +2313,9 @@ static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, struct net_device *out_dev; struct neighbour *n = NULL; struct flowi4 fl4 = {}; + u8 nud_state, tos, ttl; char *encap_header; - int ttl, err; - u8 nud_state; + int err; if (max_encap_size < ipv4_encap_size) { mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", @@ -2312,6 +2336,10 @@ static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, err = -EOPNOTSUPP; goto free_encap; } + + tos = tun_key->tos; + ttl = tun_key->ttl; + fl4.flowi4_tos = tun_key->tos; fl4.daddr = tun_key->u.ipv4.dst; fl4.saddr = tun_key->u.ipv4.src; @@ -2346,7 +2374,7 @@ static int mlx5e_create_encap_header_ipv4(struct mlx5e_priv *priv, switch (e->tunnel_type) { case MLX5_HEADER_TYPE_VXLAN: gen_vxlan_header_ipv4(out_dev, encap_header, - ipv4_encap_size, e->h_dest, ttl, + ipv4_encap_size, e->h_dest, tos, ttl, fl4.daddr, fl4.saddr, tun_key->tp_dst, tunnel_id_to_key32(tun_key->tun_id)); @@ -2394,9 +2422,9 @@ static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, struct net_device *out_dev; struct neighbour *n = NULL; struct flowi6 fl6 = {}; + u8 nud_state, tos, ttl; char *encap_header; - int err, ttl = 0; - u8 nud_state; + int err; if (max_encap_size < ipv6_encap_size) { mlx5_core_warn(priv->mdev, "encap size %d too big, max supported is %d\n", @@ -2418,6 +2446,9 @@ static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, goto free_encap; } + tos = tun_key->tos; + ttl = tun_key->ttl; + fl6.flowlabel = ip6_make_flowinfo(RT_TOS(tun_key->tos), tun_key->label); fl6.daddr = tun_key->u.ipv6.dst; fl6.saddr = tun_key->u.ipv6.src; @@ -2452,7 +2483,7 @@ static int mlx5e_create_encap_header_ipv6(struct mlx5e_priv *priv, switch (e->tunnel_type) { case MLX5_HEADER_TYPE_VXLAN: gen_vxlan_header_ipv6(out_dev, encap_header, - ipv6_encap_size, e->h_dest, ttl, + ipv6_encap_size, e->h_dest, tos, ttl, &fl6.daddr, &fl6.saddr, tun_key->tp_dst, tunnel_id_to_key32(tun_key->tun_id)); @@ -2498,11 +2529,7 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; - struct mlx5e_rep_priv *uplink_rpriv = mlx5_eswitch_get_uplink_priv(esw, - REP_ETH); - struct net_device *up_dev = uplink_rpriv->netdev; unsigned short family = ip_tunnel_info_af(tun_info); - struct mlx5e_priv *up_priv = netdev_priv(up_dev); struct mlx5_esw_flow_attr *attr = flow->esw_attr; struct ip_tunnel_key *key = &tun_info->key; struct mlx5e_encap_entry *e; @@ -2522,7 +2549,7 @@ vxlan_encap_offload_err: return -EOPNOTSUPP; } - if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) && + if (mlx5_vxlan_lookup_port(priv->mdev->vxlan, be16_to_cpu(key->tp_dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { tunnel_type = MLX5_HEADER_TYPE_VXLAN; } else { |