diff options
| author |   bluhm <bluhm@openbsd.org> | 2015-08-27 20:56:16 +0000 |
|---|---|---|
| committer | bluhm <bluhm@openbsd.org> | 2015-08-27 20:56:16 +0000 |
| commit | 7a4d62d1113ddce8e026efa98b366130d71b4bee (patch) | |
| tree | 2f92ba430afd9a111c6cf27a514e89fb97c703d1 /sys/netinet/tcp_input.c | |
| parent | If we take the address of a function pointer, we might get a pointer to (diff) | |
| download | wireguard-openbsd-7a4d62d1113ddce8e026efa98b366130d71b4bee.tar.xz wireguard-openbsd-7a4d62d1113ddce8e026efa98b366130d71b4bee.zip | |
The syn cache is completely implemented in tcp_input.c. So all its
global variables should also live there.
OK markus@
Diffstat (limited to 'sys/netinet/tcp_input.c')
| -rw-r--r-- | sys/netinet/tcp_input.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/netinet/tcp_input.c b/sys/netinet/tcp_input.c index 0792b547164..e652c97af40 100644 --- a/sys/netinet/tcp_input.c +++ b/sys/netinet/tcp_input.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_input.c,v 1.301 2015/08/24 23:31:35 bluhm Exp $ */ +/* $OpenBSD: tcp_input.c,v 1.302 2015/08/27 20:56:16 bluhm Exp $ */ /* $NetBSD: tcp_input.c,v 1.23 1996/02/13 23:43:44 christos Exp $ */ /* @@ -3276,7 +3276,14 @@ tcp_mss_adv(struct ifnet *ifp, int af) * state for SYN_RECEIVED. */ +/* syn hash parameters */ +#define TCP_SYN_HASH_SIZE 293 +#define TCP_SYN_BUCKET_SIZE 35 +int tcp_syn_cache_size = TCP_SYN_HASH_SIZE; +int tcp_syn_cache_limit = TCP_SYN_HASH_SIZE*TCP_SYN_BUCKET_SIZE; +int tcp_syn_bucket_limit = 3*TCP_SYN_BUCKET_SIZE; int tcp_syn_cache_count; +struct syn_cache_head tcp_syn_cache[TCP_SYN_HASH_SIZE]; u_int32_t syn_hash1, syn_hash2; #define SYN_HASH(sa, sp, dp) \ |