diff options
author | Jaroslav Kysela <perex@hera.kernel.org> | 2005-06-21 10:39:41 -0400 |
---|---|---|
committer | Jaroslav Kysela <perex@hera.kernel.org> | 2005-06-21 10:39:41 -0400 |
commit | fae6ec69c84d71b1d5bda9ede1a262c1681684aa (patch) | |
tree | eb4aff9a5c2b7d04ce09a3717bb1dd4a79fe7595 /include/linux/tcp.h | |
parent | bbc0274e9bb2e3f1d724d445a2bd32566b9b66f7 (diff) | |
parent | 1d345dac1f30af1cd9f3a1faa12f9f18f17f236e (diff) |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'include/linux/tcp.h')
-rw-r--r-- | include/linux/tcp.h | 28 |
1 files changed, 12 insertions, 16 deletions
diff --git a/include/linux/tcp.h b/include/linux/tcp.h index 14a55e3e3a50..97a7c9e03df5 100644 --- a/include/linux/tcp.h +++ b/include/linux/tcp.h | |||
@@ -230,6 +230,17 @@ struct tcp_options_received { | |||
230 | __u16 mss_clamp; /* Maximal mss, negotiated at connection setup */ | 230 | __u16 mss_clamp; /* Maximal mss, negotiated at connection setup */ |
231 | }; | 231 | }; |
232 | 232 | ||
233 | struct tcp_request_sock { | ||
234 | struct inet_request_sock req; | ||
235 | __u32 rcv_isn; | ||
236 | __u32 snt_isn; | ||
237 | }; | ||
238 | |||
239 | static inline struct tcp_request_sock *tcp_rsk(const struct request_sock *req) | ||
240 | { | ||
241 | return (struct tcp_request_sock *)req; | ||
242 | } | ||
243 | |||
233 | struct tcp_sock { | 244 | struct tcp_sock { |
234 | /* inet_sock has to be the first member of tcp_sock */ | 245 | /* inet_sock has to be the first member of tcp_sock */ |
235 | struct inet_sock inet; | 246 | struct inet_sock inet; |
@@ -368,22 +379,7 @@ struct tcp_sock { | |||
368 | 379 | ||
369 | __u32 total_retrans; /* Total retransmits for entire connection */ | 380 | __u32 total_retrans; /* Total retransmits for entire connection */ |
370 | 381 | ||
371 | /* The syn_wait_lock is necessary only to avoid proc interface having | 382 | struct request_sock_queue accept_queue; /* FIFO of established children */ |
372 | * to grab the main lock sock while browsing the listening hash | ||
373 | * (otherwise it's deadlock prone). | ||
374 | * This lock is acquired in read mode only from listening_get_next() | ||
375 | * and it's acquired in write mode _only_ from code that is actively | ||
376 | * changing the syn_wait_queue. All readers that are holding | ||
377 | * the master sock lock don't need to grab this lock in read mode | ||
378 | * too as the syn_wait_queue writes are always protected from | ||
379 | * the main sock lock. | ||
380 | */ | ||
381 | rwlock_t syn_wait_lock; | ||
382 | struct tcp_listen_opt *listen_opt; | ||
383 | |||
384 | /* FIFO of established children */ | ||
385 | struct open_request *accept_queue; | ||
386 | struct open_request *accept_queue_tail; | ||
387 | 383 | ||
388 | unsigned int keepalive_time; /* time before keep alive takes place */ | 384 | unsigned int keepalive_time; /* time before keep alive takes place */ |
389 | unsigned int keepalive_intvl; /* time interval between keep alive probes */ | 385 | unsigned int keepalive_intvl; /* time interval between keep alive probes */ |