diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/ipv6.h | 3 | ||||
| -rw-r--r-- | include/net/inet_timewait_sock.h | 3 | ||||
| -rw-r--r-- | include/net/sock.h | 4 | ||||
| -rw-r--r-- | include/net/tcp.h | 3 | ||||
| -rw-r--r-- | include/net/timewait_sock.h | 31 |
5 files changed, 40 insertions, 4 deletions
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h index 7d3908594fac..a0d04891fe12 100644 --- a/include/linux/ipv6.h +++ b/include/linux/ipv6.h @@ -360,7 +360,8 @@ struct tcp6_timewait_sock { static inline u16 inet6_tw_offset(const struct proto *prot) { - return prot->twsk_obj_size - sizeof(struct inet6_timewait_sock); + return prot->twsk_prot->twsk_obj_size - + sizeof(struct inet6_timewait_sock); } static inline struct inet6_timewait_sock *inet6_twsk(const struct sock *sk) diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index ca240f856c46..e396a65473d7 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -26,6 +26,7 @@ #include <net/sock.h> #include <net/tcp_states.h> +#include <net/timewait_sock.h> #include <asm/atomic.h> @@ -200,7 +201,7 @@ static inline void inet_twsk_put(struct inet_timewait_sock *tw) printk(KERN_DEBUG "%s timewait_sock %p released\n", tw->tw_prot->name, tw); #endif - kmem_cache_free(tw->tw_prot->twsk_slab, tw); + kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw); module_put(owner); } } diff --git a/include/net/sock.h b/include/net/sock.h index 0fbae85c6d55..91d28957dc10 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -493,6 +493,7 @@ extern void sk_stream_kill_queues(struct sock *sk); extern int sk_wait_data(struct sock *sk, long *timeo); struct request_sock_ops; +struct timewait_sock_ops; /* Networking protocol blocks we attach to sockets. * socket layer -> transport layer interface @@ -557,11 +558,10 @@ struct proto { kmem_cache_t *slab; unsigned int obj_size; - kmem_cache_t *twsk_slab; - unsigned int twsk_obj_size; atomic_t *orphan_count; struct request_sock_ops *rsk_prot; + struct timewait_sock_ops *twsk_prot; struct module *owner; diff --git a/include/net/tcp.h b/include/net/tcp.h index 83b117a25c2a..176221cd0cce 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -287,6 +287,9 @@ extern int tcp_rcv_established(struct sock *sk, extern void tcp_rcv_space_adjust(struct sock *sk); +extern int tcp_twsk_unique(struct sock *sk, + struct sock *sktw, void *twp); + static inline void tcp_dec_quickack_mode(struct sock *sk, const unsigned int pkts) { diff --git a/include/net/timewait_sock.h b/include/net/timewait_sock.h new file mode 100644 index 000000000000..2544281e1d5e --- /dev/null +++ b/include/net/timewait_sock.h @@ -0,0 +1,31 @@ +/* + * NET Generic infrastructure for Network protocols. + * + * Authors: Arnaldo Carvalho de Melo <acme@conectiva.com.br> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#ifndef _TIMEWAIT_SOCK_H +#define _TIMEWAIT_SOCK_H + +#include <linux/slab.h> +#include <net/sock.h> + +struct timewait_sock_ops { + kmem_cache_t *twsk_slab; + unsigned int twsk_obj_size; + int (*twsk_unique)(struct sock *sk, + struct sock *sktw, void *twp); +}; + +static inline int twsk_unique(struct sock *sk, struct sock *sktw, void *twp) +{ + if (sk->sk_prot->twsk_prot->twsk_unique != NULL) + return sk->sk_prot->twsk_prot->twsk_unique(sk, sktw, twp); + return 0; +} + +#endif /* _TIMEWAIT_SOCK_H */ |