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-rw-r--r--include/linux/udp.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/include/linux/udp.h b/include/linux/udp.h
index 0cf5c4c0ec8..03f72a2ba02 100644
--- a/include/linux/udp.h
+++ b/include/linux/udp.h
@@ -45,16 +45,19 @@ static inline struct udphdr *udp_hdr(const struct sk_buff *skb)
return (struct udphdr *)skb_transport_header(skb);
}
-#define UDP_HTABLE_SIZE 128
+#define UDP_HTABLE_SIZE_MIN (CONFIG_BASE_SMALL ? 128 : 256)
-static inline int udp_hashfn(struct net *net, const unsigned num)
+static inline int udp_hashfn(struct net *net, unsigned num, unsigned mask)
{
- return (num + net_hash_mix(net)) & (UDP_HTABLE_SIZE - 1);
+ return (num + net_hash_mix(net)) & mask;
}
struct udp_sock {
/* inet_sock has to be the first member */
struct inet_sock inet;
+#define udp_port_hash inet.sk.__sk_common.skc_u16hashes[0]
+#define udp_portaddr_hash inet.sk.__sk_common.skc_u16hashes[1]
+#define udp_portaddr_node inet.sk.__sk_common.skc_portaddr_node
int pending; /* Any pending frames ? */
unsigned int corkflag; /* Cork is required */
__u16 encap_type; /* Is this an Encapsulation socket? */
@@ -85,6 +88,12 @@ static inline struct udp_sock *udp_sk(const struct sock *sk)
return (struct udp_sock *)sk;
}
+#define udp_portaddr_for_each_entry(__sk, node, list) \
+ hlist_nulls_for_each_entry(__sk, node, list, __sk_common.skc_portaddr_node)
+
+#define udp_portaddr_for_each_entry_rcu(__sk, node, list) \
+ hlist_nulls_for_each_entry_rcu(__sk, node, list, __sk_common.skc_portaddr_node)
+
#define IS_UDPLITE(__sk) (udp_sk(__sk)->pcflag)
#endif