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Dmytro Linkin ab9341b549 net/mlx5e: Add ToS (DSCP) header rewrite support
Add support for rewriting of DSCP part of ToS field.
Next commands, for example, can be used to offload rewrite action:

OVS:
 $ ovs-ofctl add-flow ovs-sriov "ip, in_port=REP, \
       actions=mod_nw_tos:68, output:NIC"

iproute2 (used retain mask, as tc command rewrite whole ToS field):
 $ tc filter add dev REP ingress protocol ip prio 1 flower skip_sw \
       ip_proto icmp action pedit munge ip tos set 68 retain 0xfc pipe \
       action mirred egress redirect dev NIC

Signed-off-by: Dmytro Linkin <dmitrolin@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
History 2019-11-01 14:55:16 -07:00
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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.