return scale_hash(hash_conntrack_raw(tuple, net));
}
+static bool nf_ct_get_tuple_ports(const struct sk_buff *skb,
+ unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
+{ struct {
+ __be16 sport;
+ __be16 dport;
+ } _inet_hdr, *inet_hdr;
+
+ /* Actually only need first 4 bytes to get ports. */
+ inet_hdr = skb_header_pointer(skb, dataoff, sizeof(_inet_hdr), &_inet_hdr);
+ if (!inet_hdr)
+ return false;
+
+ tuple->src.u.udp.port = inet_hdr->sport;
+ tuple->dst.u.udp.port = inet_hdr->dport;
+ return true;
+}
+
static bool
nf_ct_get_tuple(const struct sk_buff *skb,
unsigned int nhoff,
unsigned int size;
const __be32 *ap;
__be32 _addrs[8];
- struct {
- __be16 sport;
- __be16 dport;
- } _inet_hdr, *inet_hdr;
memset(tuple, 0, sizeof(*tuple));
case IPPROTO_GRE:
return gre_pkt_to_tuple(skb, dataoff, net, tuple);
#endif
+ case IPPROTO_TCP:
+ case IPPROTO_UDP: /* fallthrough */
+ return nf_ct_get_tuple_ports(skb, dataoff, tuple);
+#ifdef CONFIG_NF_CT_PROTO_UDPLITE
+ case IPPROTO_UDPLITE:
+ return nf_ct_get_tuple_ports(skb, dataoff, tuple);
+#endif
+#ifdef CONFIG_NF_CT_PROTO_SCTP
+ case IPPROTO_SCTP:
+ return nf_ct_get_tuple_ports(skb, dataoff, tuple);
+#endif
+#ifdef CONFIG_NF_CT_PROTO_DCCP
+ case IPPROTO_DCCP:
+ return nf_ct_get_tuple_ports(skb, dataoff, tuple);
+#endif
+ default:
+ break;
}
- /* Actually only need first 4 bytes to get ports. */
- inet_hdr = skb_header_pointer(skb, dataoff, sizeof(_inet_hdr), &_inet_hdr);
- if (!inet_hdr)
- return false;
-
- tuple->src.u.udp.port = inet_hdr->sport;
- tuple->dst.u.udp.port = inet_hdr->dport;
return true;
}