diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/offload.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/offload.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index d2230a0e49b9..2edab01c3beb 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -66,6 +66,7 @@ BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | \ BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | \ BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | \ + BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | \ BIT(FLOW_DISSECTOR_KEY_ENC_IP) | \ BIT(FLOW_DISSECTOR_KEY_MPLS) | \ BIT(FLOW_DISSECTOR_KEY_IP)) @@ -75,6 +76,7 @@ BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | \ BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | \ BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | \ + BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | \ BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | \ BIT(FLOW_DISSECTOR_KEY_ENC_IP)) @@ -141,6 +143,21 @@ static bool nfp_flower_check_higher_than_mac(struct tc_cls_flower_offload *f) } static int +nfp_flower_calc_opt_layer(struct flow_dissector_key_enc_opts *enc_opts, + u32 *key_layer_two, int *key_size) +{ + if (enc_opts->len > NFP_FL_MAX_GENEVE_OPT_KEY) + return -EOPNOTSUPP; + + if (enc_opts->len > 0) { + *key_layer_two |= NFP_FLOWER_LAYER2_GENEVE_OP; + *key_size += sizeof(struct nfp_flower_geneve_options); + } + + return 0; +} + +static int nfp_flower_calculate_key_layers(struct nfp_app *app, struct nfp_fl_key_ls *ret_key_ls, struct tc_cls_flower_offload *flow, @@ -153,6 +170,7 @@ nfp_flower_calculate_key_layers(struct nfp_app *app, u32 key_layer_two; u8 key_layer; int key_size; + int err; if (flow->dissector->used_keys & ~NFP_FLOWER_WHITELIST_DISSECTOR) return -EOPNOTSUPP; @@ -178,6 +196,7 @@ nfp_flower_calculate_key_layers(struct nfp_app *app, FLOW_DISSECTOR_KEY_ENC_CONTROL)) { struct flow_dissector_key_ipv4_addrs *mask_ipv4 = NULL; struct flow_dissector_key_ports *mask_enc_ports = NULL; + struct flow_dissector_key_enc_opts *enc_op = NULL; struct flow_dissector_key_ports *enc_ports = NULL; struct flow_dissector_key_control *mask_enc_ctl = skb_flow_dissector_target(flow->dissector, @@ -214,11 +233,21 @@ nfp_flower_calculate_key_layers(struct nfp_app *app, if (mask_enc_ports->dst != cpu_to_be16(~0)) return -EOPNOTSUPP; + if (dissector_uses_key(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_OPTS)) { + enc_op = skb_flow_dissector_target(flow->dissector, + FLOW_DISSECTOR_KEY_ENC_OPTS, + flow->key); + } + switch (enc_ports->dst) { case htons(NFP_FL_VXLAN_PORT): *tun_type = NFP_FL_TUNNEL_VXLAN; key_layer |= NFP_FLOWER_LAYER_VXLAN; key_size += sizeof(struct nfp_flower_ipv4_udp_tun); + + if (enc_op) + return -EOPNOTSUPP; break; case htons(NFP_FL_GENEVE_PORT): if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE)) @@ -228,6 +257,15 @@ nfp_flower_calculate_key_layers(struct nfp_app *app, key_size += sizeof(struct nfp_flower_ext_meta); key_layer_two |= NFP_FLOWER_LAYER2_GENEVE; key_size += sizeof(struct nfp_flower_ipv4_udp_tun); + + if (!enc_op) + break; + if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE_OPT)) + return -EOPNOTSUPP; + err = nfp_flower_calc_opt_layer(enc_op, &key_layer_two, + &key_size); + if (err) + return err; break; default: return -EOPNOTSUPP; |