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Filename Latest commit message Latest commit date
Thomas Higdon f9af2dbbfe tcp: Add TCP_INFO counter for packets received out-of-order
For receive-heavy cases on the server-side, we want to track the
connection quality for individual client IPs. This counter, similar to
the existing system-wide TCPOFOQueue counter in /proc/net/netstat,
tracks out-of-order packet reception. By providing this counter in
TCP_INFO, it will allow understanding to what degree receive-heavy
sockets are experiencing out-of-order delivery and packet drops
indicating congestion.

Please note that this is similar to the counter in NetBSD TCP_INFO, and
has the same name.

Also note that we avoid increasing the size of the tcp_sock struct by
taking advantage of a hole.

Signed-off-by: Thomas Higdon <tph@fb.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-09-16 16:26:11 +02:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
block block: remove REQ_NOWAIT_INLINE 2019-08-15 11:09:16 -06:00
certs
crypto
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
drivers net: mdio: switch to using gpiod_get_optional() 2019-09-16 16:25:16 +02:00
fs for-5.3-rc8-tag 2019-09-13 09:48:47 +01:00
include tcp: Add TCP_INFO counter for packets received out-of-order 2019-09-16 16:26:11 +02:00
init
ipc ipc: fix sparc64 ipc() wrapper 2019-09-07 21:42:25 +02:00
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-09-16 16:02:03 +02:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2019-09-15 14:17:27 +02:00
LICENSES
mm mm/balloon_compaction: suppress allocation warnings 2019-09-04 07:42:01 -04:00
net tcp: Add TCP_INFO counter for packets received out-of-order 2019-09-16 16:26:11 +02:00
samples samples/bpf: fix xdpsock l2fwd tx for unaligned mode 2019-09-16 09:35:10 +02:00
scripts kbuild: replace BASH-specific ${@:2} with shift and ${@} 2019-09-06 09:51:55 -07:00
security keys: Fix missing null pointer check in request_key_auth_describe() 2019-09-05 14:19:25 -07:00
sound sound fixes for 5.3-rc8 2019-09-05 10:26:20 -07:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-09-16 16:02:03 +02:00
usr
virt arm64 fixes for -rc7 2019-08-28 10:37:21 -07:00
.clang-format clang-format: Update with the latest for_each macro list 2019-08-31 10:00:51 +02:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: update email address 2019-09-04 13:29:15 +02:00
COPYING
CREDITS CREDITS: Update email address 2019-09-13 17:21:38 +03:00
Kbuild
Kconfig
MAINTAINERS net/wan: dscc4: remove broken dscc4 driver 2019-09-16 09:14:41 +02:00
Makefile Linux 5.3-rc8 2019-09-08 13:33:15 -07:00
README

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.