break;
#endif
case NFT_CT_ID:
+ if (tb[NFTA_CT_DIRECTION])
+ return -EINVAL;
+
len = sizeof(u32);
break;
default:
if (tb[NFTA_CT_EXPECT_L3PROTO])
priv->l3num = ntohs(nla_get_be16(tb[NFTA_CT_EXPECT_L3PROTO]));
+ switch (priv->l3num) {
+ case NFPROTO_IPV4:
+ case NFPROTO_IPV6:
+ if (priv->l3num != ctx->family)
+ return -EINVAL;
+
+ fallthrough;
+ case NFPROTO_INET:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
priv->l4proto = nla_get_u8(tb[NFTA_CT_EXPECT_L4PROTO]);
+ switch (priv->l4proto) {
+ case IPPROTO_TCP:
+ case IPPROTO_UDP:
+ case IPPROTO_UDPLITE:
+ case IPPROTO_DCCP:
+ case IPPROTO_SCTP:
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
priv->dport = nla_get_be16(tb[NFTA_CT_EXPECT_DPORT]);
priv->timeout = nla_get_u32(tb[NFTA_CT_EXPECT_TIMEOUT]);
priv->size = nla_get_u8(tb[NFTA_CT_EXPECT_SIZE]);