]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/commit
net: add network priority cgroup infrastructure (v4)
authorNeil Horman <nhorman@tuxdriver.com>
Tue, 22 Nov 2011 05:10:51 +0000 (05:10 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 22 Nov 2011 20:22:23 +0000 (15:22 -0500)
commit5bc1421e34ecfe0bd4b26dc3232b7d5e25179144
tree783ed95187915c06757a260b637308919b35d5a0
parent202ff1c26c768efeead20b388556eda265dc8352
net: add network priority cgroup infrastructure (v4)

This patch adds in the infrastructure code to create the network priority
cgroup.  The cgroup, in addition to the standard processes file creates two
control files:

1) prioidx - This is a read-only file that exports the index of this cgroup.
This is a value that is both arbitrary and unique to a cgroup in this subsystem,
and is used to index the per-device priority map

2) priomap - This is a writeable file.  On read it reports a table of 2-tuples
<name:priority> where name is the name of a network interface and priority is
indicates the priority assigned to frames egresessing on the named interface and
originating from a pid in this cgroup

This cgroup allows for skb priority to be set prior to a root qdisc getting
selected. This is benenficial for DCB enabled systems, in that it allows for any
application to use dcb configured priorities so without application modification

Signed-off-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
CC: Robert Love <robert.w.love@intel.com>
CC: "David S. Miller" <davem@davemloft.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
include/linux/cgroup_subsys.h
include/linux/netdevice.h
include/net/netprio_cgroup.h [new file with mode: 0644]
include/net/sock.h
net/Kconfig
net/core/Makefile
net/core/dev.c
net/core/netprio_cgroup.c [new file with mode: 0644]
net/core/sock.c
net/socket.c