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9eb1b6aabb
freebsd/sys
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Ruslan Ermilov 9eb1b6aabb Fix bugs in the TCP syncache timeout code. including: 
When system ticks are positive, for entries in the cache
bucket, syncache_timer() ran on every tick (doing nothing
useful) instead of the supposed 3, 6, 12, and 24 seconds
later (when it's time to retransmit SYN,ACK).

When ticks are negative, syncache_timer() was scheduled
for the too far future (up to ~25 days on systems with
HZ=1000), no SYN,ACK retransmits were attempted at all,
and syncache entries added in that period that correspond
to non-established connections stay there forever.

Only HEAD and RELENG_7 are affected.

Reviewed by:	silby, kmacy (earlier version)
Submitted by:	Maxim Dounin, ru
2007-12-19 16:56:28 +00:00
..
amd64 Add the 'hptrr' driver for supporting the following Highpoint RocketRAID 2007-12-15 00:56:17 +00:00
arm Use M_NOWAIT instead of M_WAITOK to cause malloc() to return NULL 2007-12-17 05:08:54 +00:00
boot Remove file after being repocopied to ../ofw, where it lives on. 2007-12-17 22:50:39 +00:00
bsm Merge OpenBSM 1.0 changes to src/sys/bsm: 2007-10-29 18:47:25 +00:00
cam Add a missing mutex unlock. 2007-12-16 07:49:44 +00:00
cddl Remove some compatibility stuff that we now get from the Solaris header. 2007-11-29 00:15:08 +00:00
compat Bah, remove last vestiges of some statfs conversion fixes that aren't quite 2007-12-10 19:42:23 +00:00
conf Make TCP offload work on HEAD (modulo negative interaction between sbcompress 2007-12-17 08:17:51 +00:00
contrib * Check endianness the FreeBSD way. 2007-11-28 22:16:00 +00:00
crypto
ddb Make the examine command honor db_pager_quit so you can use 'q' or 'x' 2007-10-27 20:19:11 +00:00
dev Do not recursively acquire aac_io_lock in aac_ioctl_event. 2007-12-19 14:33:40 +00:00
fs Fix calculation of descriptor tag checksums. According to ECMA-167, Part 4, 2007-12-11 19:49:40 +00:00
gdb
geom Chop DIOCGDELETE from userland up in 1024 sector chunks to give geom_disk 2007-12-16 19:38:26 +00:00
gnu Remove duplicate "union" from ext2_opts. 2007-10-27 16:14:33 +00:00
i4b Spelling fix for interupt -> interrupt 2007-10-12 06:03:46 +00:00
i386 Fix previous commit. The code ended up in the wrong function. 2007-12-16 20:37:27 +00:00
ia64 Add stubs to unbreak LINT. 2007-12-07 13:45:47 +00:00
isa Split /dev/nvram driver out of isa/clock.c for i386 and amd64. I have not 2007-10-26 03:23:54 +00:00
kern Be more exact with sigaction SA_SIGINFO handling. 2007-12-18 20:39:13 +00:00
libkern Do not use __XSCALE__ to detect if clz is available, use _ARM_ARCH_5 instead. 2007-10-13 12:05:36 +00:00
modules Don't overload tcp_usrreqs unless the kernel doesn't provide offload support. 2007-12-18 23:00:25 +00:00
net Simplify the error handling and use the dereferenced sc->sc_ifp pointer. 2007-12-18 09:13:04 +00:00
net80211 update channel flag defs to match _ieee80211.h so cpp doesn't complain 2007-12-13 01:23:40 +00:00
netatalk Annotate two possible bugs in a comment: (1) we allocate and explicitly 2007-11-20 18:50:54 +00:00
netatm
netgraph Increase control channel xmit queue to 128 packets. 2007-12-12 19:04:30 +00:00
netinet Fix bugs in the TCP syncache timeout code. including: 2007-12-19 16:56:28 +00:00
netinet6 Fix leaking MAC labels for IPv6 inpcbs by adding missing MAC label 2007-12-17 17:20:57 +00:00
netipsec Add sysctls to if_enc(4) to control whether the firewalls or 2007-11-28 22:33:53 +00:00
netipx
netnatm
netncp Refactor select to reduce contention and hide internal implementation 2007-12-16 06:21:20 +00:00
netsmb Refactor select to reduce contention and hide internal implementation 2007-12-16 06:21:20 +00:00
nfs
nfs4client Rename the kthread_xxx (e.g. kthread_create()) calls 2007-10-20 23:23:23 +00:00
nfsclient Remove hacks from the NFSv2/3 client intended to handle a lack of a 2007-11-19 16:03:21 +00:00
nfsserver Garbage collect now-unused nfsrv_setcred() -- it's not only unused, but 2007-11-04 19:20:33 +00:00
opencrypto Rename the kthread_xxx (e.g. kthread_create()) calls 2007-10-20 23:23:23 +00:00
pc98 Catch up pc98 for i386 stack(9) changes: 2007-12-03 11:38:28 +00:00
pccard
pci Add another RTL8168 revision 3 which is found on RTL8111-GR Gigabit 2007-12-08 00:14:09 +00:00
powerpc Rename OEA to AIM. The former means nothing as it applies to all 2007-12-16 00:45:56 +00:00
rpc
security Fix a MAC label leak for POSIX semaphores, in which per-policy labels 2007-12-17 17:26:32 +00:00
sparc64 Add stubs to unbreak LINT. 2007-12-07 13:45:47 +00:00
sun4v Add stubs to unbreak LINT. 2007-12-07 13:45:47 +00:00
sys Add SB_NOCOALESCE flag to disable socket buffer update in place 2007-12-17 10:02:01 +00:00
tools
ufs Fix a broken check that recently became more annoying because it now 2007-12-01 13:12:43 +00:00
vm Eliminate redundant code from vm_page_startup(). 2007-12-19 05:47:50 +00:00
Makefile