diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/match.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/match.c | 114 |
1 files changed, 106 insertions, 8 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c index d25b5038c3a2..60614d4f0e22 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/match.c +++ b/drivers/net/ethernet/netronome/nfp/flower/match.c @@ -77,14 +77,17 @@ nfp_flower_compile_meta(struct nfp_flower_meta_one *frame, u8 key_type) static int nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port, - bool mask_version) + bool mask_version, enum nfp_flower_tun_type tun_type) { if (mask_version) { frame->in_port = cpu_to_be32(~0); return 0; } - frame->in_port = cpu_to_be32(cmsg_port); + if (tun_type) + frame->in_port = cpu_to_be32(NFP_FL_PORT_TYPE_TUN | tun_type); + else + frame->in_port = cpu_to_be32(cmsg_port); return 0; } @@ -108,8 +111,21 @@ nfp_flower_compile_mac(struct nfp_flower_mac_mpls *frame, ether_addr_copy(frame->mac_src, &addr->src[0]); } - if (mask_version) - frame->mpls_lse = cpu_to_be32(~0); + if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_MPLS)) { + struct flow_dissector_key_mpls *mpls; + u32 t_mpls; + + mpls = skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_MPLS, + target); + + t_mpls = FIELD_PREP(NFP_FLOWER_MASK_MPLS_LB, mpls->mpls_label) | + FIELD_PREP(NFP_FLOWER_MASK_MPLS_TC, mpls->mpls_tc) | + FIELD_PREP(NFP_FLOWER_MASK_MPLS_BOS, mpls->mpls_bos) | + NFP_FLOWER_MASK_MPLS_Q; + + frame->mpls_lse = cpu_to_be32(t_mpls); + } } static void @@ -140,7 +156,6 @@ nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *frame, struct flow_dissector_key_ipv4_addrs *addr; struct flow_dissector_key_basic *basic; - /* Wildcard TOS/TTL for now. */ memset(frame, 0, sizeof(struct nfp_flower_ipv4)); if (dissector_uses_key(flow->dissector, @@ -158,6 +173,16 @@ nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *frame, target); frame->proto = basic->ip_proto; } + + if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_IP)) { + struct flow_dissector_key_ip *flow_ip; + + flow_ip = skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_IP, + target); + frame->tos = flow_ip->tos; + frame->ttl = flow_ip->ttl; + } } static void @@ -169,7 +194,6 @@ nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame, struct flow_dissector_key_ipv6_addrs *addr; struct flow_dissector_key_basic *basic; - /* Wildcard LABEL/TOS/TTL for now. */ memset(frame, 0, sizeof(struct nfp_flower_ipv6)); if (dissector_uses_key(flow->dissector, @@ -187,6 +211,51 @@ nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *frame, target); frame->proto = basic->ip_proto; } + + if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_IP)) { + struct flow_dissector_key_ip *flow_ip; + + flow_ip = skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_IP, + target); + frame->tos = flow_ip->tos; + frame->ttl = flow_ip->ttl; + } +} + +static void +nfp_flower_compile_vxlan(struct nfp_flower_vxlan *frame, + struct tc_cls_flower_offload *flow, + bool mask_version, __be32 *tun_dst) +{ + struct fl_flow_key *target = mask_version ? flow->mask : flow->key; + struct flow_dissector_key_ipv4_addrs *vxlan_ips; + struct flow_dissector_key_keyid *vni; + + /* Wildcard TOS/TTL/GPE_FLAGS/NXT_PROTO for now. */ + memset(frame, 0, sizeof(struct nfp_flower_vxlan)); + + if (dissector_uses_key(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_KEYID)) { + u32 temp_vni; + + vni = skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_KEYID, + target); + temp_vni = be32_to_cpu(vni->keyid) << NFP_FL_TUN_VNI_OFFSET; + frame->tun_id = cpu_to_be32(temp_vni); + } + + if (dissector_uses_key(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS)) { + vxlan_ips = + skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, + target); + frame->ip_src = vxlan_ips->src; + frame->ip_dst = vxlan_ips->dst; + *tun_dst = vxlan_ips->dst; + } } int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, @@ -194,10 +263,16 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, struct net_device *netdev, struct nfp_fl_payload *nfp_flow) { + enum nfp_flower_tun_type tun_type = NFP_FL_TUNNEL_NONE; + __be32 tun_dst, tun_dst_mask = 0; + struct nfp_repr *netdev_repr; int err; u8 *ext; u8 *msk; + if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN) + tun_type = NFP_FL_TUNNEL_VXLAN; + memset(nfp_flow->unmasked_data, 0, key_ls->key_size); memset(nfp_flow->mask_data, 0, key_ls->key_size); @@ -216,14 +291,14 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, /* Populate Exact Port data. */ err = nfp_flower_compile_port((struct nfp_flower_in_port *)ext, nfp_repr_get_port_id(netdev), - false); + false, tun_type); if (err) return err; /* Populate Mask Port Data. */ err = nfp_flower_compile_port((struct nfp_flower_in_port *)msk, nfp_repr_get_port_id(netdev), - true); + true, tun_type); if (err) return err; @@ -291,5 +366,28 @@ int nfp_flower_compile_flow_match(struct tc_cls_flower_offload *flow, msk += sizeof(struct nfp_flower_ipv6); } + if (key_ls->key_layer & NFP_FLOWER_LAYER_VXLAN) { + /* Populate Exact VXLAN Data. */ + nfp_flower_compile_vxlan((struct nfp_flower_vxlan *)ext, + flow, false, &tun_dst); + /* Populate Mask VXLAN Data. */ + nfp_flower_compile_vxlan((struct nfp_flower_vxlan *)msk, + flow, true, &tun_dst_mask); + ext += sizeof(struct nfp_flower_vxlan); + msk += sizeof(struct nfp_flower_vxlan); + + /* Configure tunnel end point MAC. */ + if (nfp_netdev_is_nfp_repr(netdev)) { + netdev_repr = netdev_priv(netdev); + nfp_tunnel_write_macs(netdev_repr->app); + + /* Store the tunnel destination in the rule data. + * This must be present and be an exact match. + */ + nfp_flow->nfp_tun_ipv4_addr = tun_dst; + nfp_tunnel_add_ipv4_off(netdev_repr->app, tun_dst); + } + } + return 0; } |