linux/include
Jiayuan Chen c449d5f3a3 tcp: add LINUX_MIB_PAWS_TW_REJECTED counter
When TCP is in TIME_WAIT state, PAWS verification uses
LINUX_PAWSESTABREJECTED, which is ambiguous and cannot be distinguished
from other PAWS verification processes.

We added a new counter, like the existing PAWS_OLD_ACK one.

Also we update the doc with previously missing PAWS_OLD_ACK.

usage:
'''
nstat -az | grep PAWSTimewait
TcpExtPAWSTimewait              1                  0.0
'''

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Jiayuan Chen <jiayuan.chen@linux.dev>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250409112614.16153-3-jiayuan.chen@linux.dev
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2025-04-10 18:29:26 -07:00
..
acpi misc: Constify amba_id table 2025-03-29 18:25:34 -07:00
asm-generic RISC-V Patches for the 6.15 Merge Window, Part 1 2025-04-04 09:49:17 -07:00
clocksource
crypto This update includes the following changes: 2025-03-29 10:01:55 -07:00
cxl cxl for v6.15 2025-04-02 20:04:43 -07:00
drm Rust changes for v6.15 2025-03-30 17:03:26 -07:00
dt-bindings Char/Misc/IIO driver updates for 6.15-rc1 2025-04-01 11:26:08 -07:00
hyperv
keys
kunit kunit: Spelling s/slowm/slow/ 2025-04-08 14:57:24 -06:00
kvm
linux Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2025-04-10 16:51:07 -07:00
math-emu
media
memory
misc
net tcp: add LINUX_MIB_PAWS_TW_REJECTED counter 2025-04-10 18:29:26 -07:00
pcmcia
ras
rdma
rv
scsi
soc soc: driver updates for 6.15, part 1 2025-03-27 09:05:55 -07:00
sound soundwire updates for 6.15 2025-04-01 12:43:13 -07:00
target
trace tracing/timers: Rename the hrtimer_init event to hrtimer_setup 2025-04-05 10:30:17 +02:00
uapi tcp: add LINUX_MIB_PAWS_TW_REJECTED counter 2025-04-10 18:29:26 -07:00
ufs
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xen
Kbuild