extern struct proto udp_prot;
+extern atomic_t udp_memory_allocated;
+
+/* sysctl variables for udp */
+extern int sysctl_udp_mem[3];
+extern int sysctl_udp_rmem_min;
+extern int sysctl_udp_wmem_min;
+
struct sk_buff;
/*
write_lock_bh(&udp_hash_lock);
if (sk_del_node_init(sk)) {
inet_sk(sk)->num = 0;
- sock_prot_dec_use(sk->sk_prot);
+ sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1);
}
write_unlock_bh(&udp_hash_lock);
}
sk_common_release(sk);
}
-
-struct udp_get_port_ops {
- int (*saddr_cmp)(const struct sock *sk1, const struct sock *sk2);
- int (*saddr_any)(const struct sock *sk);
- unsigned int (*hash_port_and_rcv_saddr)(__u16 port,
- const struct sock *sk);
-};
+extern int udp_lib_get_port(struct sock *sk, unsigned short snum,
+ int (*)(const struct sock*,const struct sock*));
/* net/ipv4/udp.c */
extern int udp_get_port(struct sock *sk, unsigned short snum,
- const struct udp_get_port_ops *ops);
+ int (*saddr_cmp)(const struct sock *, const struct sock *));
extern void udp_err(struct sk_buff *, u32);
extern int udp_sendmsg(struct kiocb *iocb, struct sock *sk,
int (*push_pending_frames)(struct sock *));
DECLARE_SNMP_STAT(struct udp_mib, udp_statistics);
+DECLARE_SNMP_STAT(struct udp_mib, udp_stats_in6);
+
+/* UDP-Lite does not have a standardized MIB yet, so we inherit from UDP */
+DECLARE_SNMP_STAT(struct udp_mib, udplite_statistics);
+DECLARE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
+
/*
* SNMP statistics for UDP and UDP-Lite
*/
if (is_udplite) SNMP_INC_STATS_BH(udplite_statistics, field); \
else SNMP_INC_STATS_BH(udp_statistics, field); } while(0)
+#define UDP6_INC_STATS_BH(field, is_udplite) do { \
+ if (is_udplite) SNMP_INC_STATS_BH(udplite_stats_in6, field); \
+ else SNMP_INC_STATS_BH(udp_stats_in6, field); } while(0)
+#define UDP6_INC_STATS_USER(field, is_udplite) do { \
+ if (is_udplite) SNMP_INC_STATS_USER(udplite_stats_in6, field); \
+ else SNMP_INC_STATS_USER(udp_stats_in6, field); } while(0)
+
+#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#define UDPX_INC_STATS_BH(sk, field) \
+ do { \
+ if ((sk)->sk_family == AF_INET) \
+ UDP_INC_STATS_BH(field, 0); \
+ else \
+ UDP6_INC_STATS_BH(field, 0); \
+ } while (0);
+#else
+#define UDPX_INC_STATS_BH(sk, field) UDP_INC_STATS_BH(field, 0)
+#endif
+
/* /proc */
struct udp_seq_afinfo {
- struct module *owner;
char *name;
sa_family_t family;
struct hlist_head *hashtable;
- int (*seq_show) (struct seq_file *m, void *v);
- struct file_operations *seq_fops;
+ struct file_operations seq_fops;
+ struct seq_operations seq_ops;
};
struct udp_iter_state {
+ struct seq_net_private p;
sa_family_t family;
struct hlist_head *hashtable;
int bucket;
- struct seq_operations seq_ops;
};
#ifdef CONFIG_PROC_FS
-extern int udp_proc_register(struct udp_seq_afinfo *afinfo);
-extern void udp_proc_unregister(struct udp_seq_afinfo *afinfo);
+extern int udp_proc_register(struct net *net, struct udp_seq_afinfo *afinfo);
+extern void udp_proc_unregister(struct net *net, struct udp_seq_afinfo *afinfo);
extern int udp4_proc_init(void);
extern void udp4_proc_exit(void);
#endif
+
+extern void udp_init(void);
#endif /* _UDP_H */