X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fnet%2Finet_timewait_sock.h;h=b63b80fac567a2e103c996d8c021b10ef6e150e8;hb=f68b2e05f326971cd76c65aa91a1a41771dd7485;hp=6d14c22a00c5e3e9ab750fb0c68434edba86c853;hpb=82103232edc4b4ed48949a195aca93cfa3fe3fa8;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h index 6d14c22..b63b80f 100644 --- a/include/net/inet_timewait_sock.h +++ b/include/net/inet_timewait_sock.h @@ -16,6 +16,7 @@ #define _INET_TIMEWAIT_SOCK_ +#include #include #include #include @@ -66,7 +67,7 @@ struct inet_hashinfo; struct inet_timewait_death_row { /* Short-time timewait calendar */ int twcal_hand; - int twcal_jiffie; + unsigned long twcal_jiffie; struct timer_list twcal_timer; struct hlist_head twcal_row[INET_TWDR_RECYCLE_SLOTS]; @@ -84,7 +85,7 @@ struct inet_timewait_death_row { }; extern void inet_twdr_hangman(unsigned long data); -extern void inet_twdr_twkill_work(void *data); +extern void inet_twdr_twkill_work(struct work_struct *work); extern void inet_twdr_twcal_tick(unsigned long data); #if (BITS_PER_LONG == 64) @@ -110,11 +111,13 @@ struct inet_timewait_sock { #define tw_state __tw_common.skc_state #define tw_reuse __tw_common.skc_reuse #define tw_bound_dev_if __tw_common.skc_bound_dev_if -#define tw_node __tw_common.skc_node +#define tw_node __tw_common.skc_nulls_node #define tw_bind_node __tw_common.skc_bind_node #define tw_refcnt __tw_common.skc_refcnt #define tw_hash __tw_common.skc_hash #define tw_prot __tw_common.skc_prot +#define tw_net __tw_common.skc_net + int tw_timeout; volatile unsigned char tw_substate; /* 3 bits hole, try to pack */ unsigned char tw_rcv_wscale; @@ -125,20 +128,22 @@ struct inet_timewait_sock { __be32 tw_rcv_saddr; __be16 tw_dport; __u16 tw_num; + kmemcheck_bitfield_begin(flags); /* And these are ours. */ - __u8 tw_ipv6only:1; - /* 15 bits hole, try to pack */ + __u8 tw_ipv6only:1, + tw_transparent:1; + /* 14 bits hole, try to pack */ + kmemcheck_bitfield_end(flags); __u16 tw_ipv6_offset; - int tw_timeout; unsigned long tw_ttd; struct inet_bind_bucket *tw_tb; struct hlist_node tw_death_node; }; -static inline void inet_twsk_add_node(struct inet_timewait_sock *tw, - struct hlist_head *list) +static inline void inet_twsk_add_node_rcu(struct inet_timewait_sock *tw, + struct hlist_nulls_head *list) { - hlist_add_head(&tw->tw_node, list); + hlist_nulls_add_head_rcu(&tw->tw_node, list); } static inline void inet_twsk_add_bind_node(struct inet_timewait_sock *tw, @@ -173,7 +178,7 @@ static inline int inet_twsk_del_dead_node(struct inet_timewait_sock *tw) } #define inet_twsk_for_each(tw, node, head) \ - hlist_for_each_entry(tw, node, head, tw_node) + hlist_nulls_for_each_entry(tw, node, head, tw_node) #define inet_twsk_for_each_inmate(tw, node, jail) \ hlist_for_each_entry(tw, node, jail, tw_death_node) @@ -192,25 +197,11 @@ static inline __be32 inet_rcv_saddr(const struct sock *sk) inet_sk(sk)->rcv_saddr : inet_twsk(sk)->tw_rcv_saddr; } -static inline void inet_twsk_put(struct inet_timewait_sock *tw) -{ - if (atomic_dec_and_test(&tw->tw_refcnt)) { - struct module *owner = tw->tw_prot->owner; -#ifdef SOCK_REFCNT_DEBUG - printk(KERN_DEBUG "%s timewait_sock %p released\n", - tw->tw_prot->name, tw); -#endif - kmem_cache_free(tw->tw_prot->twsk_prot->twsk_slab, tw); - module_put(owner); - } -} +extern void inet_twsk_put(struct inet_timewait_sock *tw); extern struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int state); -extern void __inet_twsk_kill(struct inet_timewait_sock *tw, - struct inet_hashinfo *hashinfo); - extern void __inet_twsk_hashdance(struct inet_timewait_sock *tw, struct sock *sk, struct inet_hashinfo *hashinfo); @@ -220,4 +211,25 @@ extern void inet_twsk_schedule(struct inet_timewait_sock *tw, const int timeo, const int timewait_len); extern void inet_twsk_deschedule(struct inet_timewait_sock *tw, struct inet_timewait_death_row *twdr); + +extern void inet_twsk_purge(struct net *net, struct inet_hashinfo *hashinfo, + struct inet_timewait_death_row *twdr, int family); + +static inline +struct net *twsk_net(const struct inet_timewait_sock *twsk) +{ +#ifdef CONFIG_NET_NS + return twsk->tw_net; +#else + return &init_net; +#endif +} + +static inline +void twsk_net_set(struct inet_timewait_sock *twsk, struct net *net) +{ +#ifdef CONFIG_NET_NS + twsk->tw_net = net; +#endif +} #endif /* _INET_TIMEWAIT_SOCK_ */