diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/flower/offload.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/flower/offload.c | 100 |
1 files changed, 60 insertions, 40 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/flower/offload.c b/drivers/net/ethernet/netronome/nfp/flower/offload.c index 39e6599f2bd7..6b28910442db 100644 --- a/drivers/net/ethernet/netronome/nfp/flower/offload.c +++ b/drivers/net/ethernet/netronome/nfp/flower/offload.c @@ -141,16 +141,16 @@ static bool nfp_flower_check_higher_than_l3(struct tc_cls_flower_offload *f) } static int -nfp_flower_calc_opt_layer(struct flow_match_enc_opts *enc_opts, +nfp_flower_calc_opt_layer(struct flow_dissector_key_enc_opts *enc_opts, u32 *key_layer_two, int *key_size, struct netlink_ext_ack *extack) { - if (enc_opts->key->len > NFP_FL_MAX_GENEVE_OPT_KEY) { + if (enc_opts->len > NFP_FL_MAX_GENEVE_OPT_KEY) { NL_SET_ERR_MSG_MOD(extack, "unsupported offload: geneve options exceed maximum length"); return -EOPNOTSUPP; } - if (enc_opts->key->len > 0) { + if (enc_opts->len > 0) { *key_layer_two |= NFP_FLOWER_LAYER2_GENEVE_OP; *key_size += sizeof(struct nfp_flower_geneve_options); } @@ -159,6 +159,57 @@ nfp_flower_calc_opt_layer(struct flow_match_enc_opts *enc_opts, } static int +nfp_flower_calc_udp_tun_layer(struct flow_dissector_key_ports *enc_ports, + struct flow_dissector_key_enc_opts *enc_op, + u32 *key_layer_two, u8 *key_layer, int *key_size, + struct nfp_flower_priv *priv, + enum nfp_flower_tun_type *tun_type, + struct netlink_ext_ack *extack) +{ + int err; + + switch (enc_ports->dst) { + case htons(IANA_VXLAN_UDP_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) { + NL_SET_ERR_MSG_MOD(extack, "unsupported offload: encap options not supported on vxlan tunnels"); + return -EOPNOTSUPP; + } + break; + case htons(GENEVE_UDP_PORT): + if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE)) { + NL_SET_ERR_MSG_MOD(extack, "unsupported offload: loaded firmware does not support geneve offload"); + return -EOPNOTSUPP; + } + *tun_type = NFP_FL_TUNNEL_GENEVE; + *key_layer |= NFP_FLOWER_LAYER_EXT_META; + *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)) { + NL_SET_ERR_MSG_MOD(extack, "unsupported offload: loaded firmware does not support geneve option offload"); + return -EOPNOTSUPP; + } + err = nfp_flower_calc_opt_layer(enc_op, key_layer_two, + key_size, extack); + if (err) + return err; + break; + default: + NL_SET_ERR_MSG_MOD(extack, "unsupported offload: tunnel type unknown"); + return -EOPNOTSUPP; + } + + return 0; +} + +static int nfp_flower_calculate_key_layers(struct nfp_app *app, struct net_device *netdev, struct nfp_fl_key_ls *ret_key_ls, @@ -243,44 +294,13 @@ nfp_flower_calculate_key_layers(struct nfp_app *app, if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_ENC_OPTS)) flow_rule_match_enc_opts(rule, &enc_op); - switch (enc_ports.key->dst) { - case htons(IANA_VXLAN_UDP_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.key) { - NL_SET_ERR_MSG_MOD(extack, "unsupported offload: encap options not supported on vxlan tunnels"); - return -EOPNOTSUPP; - } - break; - case htons(GENEVE_UDP_PORT): - if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE)) { - NL_SET_ERR_MSG_MOD(extack, "unsupported offload: loaded firmware does not support geneve offload"); - return -EOPNOTSUPP; - } - *tun_type = NFP_FL_TUNNEL_GENEVE; - key_layer |= NFP_FLOWER_LAYER_EXT_META; - 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.key) - break; - if (!(priv->flower_ext_feats & - NFP_FL_FEATS_GENEVE_OPT)) { - NL_SET_ERR_MSG_MOD(extack, "unsupported offload: loaded firmware does not support geneve option offload"); - return -EOPNOTSUPP; - } - err = nfp_flower_calc_opt_layer(&enc_op, &key_layer_two, - &key_size, extack); - if (err) - return err; - break; - default: - NL_SET_ERR_MSG_MOD(extack, "unsupported offload: tunnel type unknown"); - return -EOPNOTSUPP; - } + err = nfp_flower_calc_udp_tun_layer(enc_ports.key, enc_op.key, + &key_layer_two, &key_layer, + &key_size, priv, tun_type, + extack); + if (err) + return err; /* Ensure the ingress netdev matches the expected tun type. */ if (!nfp_fl_netdev_is_tunnel_type(netdev, *tun_type)) { |