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authorGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
committerGlenn Elliott <gelliott@cs.unc.edu>2012-03-04 19:47:13 -0500
commitc71c03bda1e86c9d5198c5d83f712e695c4f2a1e (patch)
treeecb166cb3e2b7e2adb3b5e292245fefd23381ac8 /include/net/udp.h
parentea53c912f8a86a8567697115b6a0d8152beee5c8 (diff)
parent6a00f206debf8a5c8899055726ad127dbeeed098 (diff)
Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp
Conflicts: litmus/sched_cedf.c
Diffstat (limited to 'include/net/udp.h')
-rw-r--r--include/net/udp.h20
1 files changed, 17 insertions, 3 deletions
diff --git a/include/net/udp.h b/include/net/udp.h
index a184d3496b13..67ea6fcb3ec0 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -105,10 +105,10 @@ static inline struct udp_hslot *udp_hashslot2(struct udp_table *table,
105 105
106extern struct proto udp_prot; 106extern struct proto udp_prot;
107 107
108extern atomic_t udp_memory_allocated; 108extern atomic_long_t udp_memory_allocated;
109 109
110/* sysctl variables for udp */ 110/* sysctl variables for udp */
111extern int sysctl_udp_mem[3]; 111extern long sysctl_udp_mem[3];
112extern int sysctl_udp_rmem_min; 112extern int sysctl_udp_rmem_min;
113extern int sysctl_udp_wmem_min; 113extern int sysctl_udp_wmem_min;
114 114
@@ -144,6 +144,17 @@ static inline __wsum udp_csum_outgoing(struct sock *sk, struct sk_buff *skb)
144 return csum; 144 return csum;
145} 145}
146 146
147static inline __wsum udp_csum(struct sk_buff *skb)
148{
149 __wsum csum = csum_partial(skb_transport_header(skb),
150 sizeof(struct udphdr), skb->csum);
151
152 for (skb = skb_shinfo(skb)->frag_list; skb; skb = skb->next) {
153 csum = csum_add(csum, skb->csum);
154 }
155 return csum;
156}
157
147/* hash routines shared between UDPv4/6 and UDP-Litev4/6 */ 158/* hash routines shared between UDPv4/6 and UDP-Litev4/6 */
148static inline void udp_lib_hash(struct sock *sk) 159static inline void udp_lib_hash(struct sock *sk)
149{ 160{
@@ -183,6 +194,9 @@ extern int udp_lib_setsockopt(struct sock *sk, int level, int optname,
183extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport, 194extern struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport,
184 __be32 daddr, __be16 dport, 195 __be32 daddr, __be16 dport,
185 int dif); 196 int dif);
197extern struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport,
198 const struct in6_addr *daddr, __be16 dport,
199 int dif);
186 200
187/* 201/*
188 * SNMP statistics for UDP and UDP-Lite 202 * SNMP statistics for UDP and UDP-Lite
@@ -242,5 +256,5 @@ extern void udp4_proc_exit(void);
242extern void udp_init(void); 256extern void udp_init(void);
243 257
244extern int udp4_ufo_send_check(struct sk_buff *skb); 258extern int udp4_ufo_send_check(struct sk_buff *skb);
245extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, int features); 259extern struct sk_buff *udp4_ufo_fragment(struct sk_buff *skb, u32 features);
246#endif /* _UDP_H */ 260#endif /* _UDP_H */