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94db331778
Multiport eswitch mode is a LAG mode that allows to add rules that forward traffic to a specific physical port without being affected by LAG affinity configuration. This mode of operation is mutual exclusive with the other LAG modes used by multipath and bonding. To make the transition between the modes, we maintain a counter on the number of rules specifying one of the uplink representors as the target of mirred egress redirect action. An example of such rule would be: $ tc filter add dev enp8s0f0_0 prot all root flower dst_mac \ 00:11:22:33:44:55 action mirred egress redirect dev enp8s0f0 If the reference count just grows to one and LAG is not in use, we create the LAG in multiport eswitch mode. Other mode changes are not allowed while in this mode. When the reference count reaches zero, we destroy the LAG and let other modes be used if needed. logic also changed such that if forwarding to some uplink destination cannot be guaranteed, we fail the operation so the rule will eventually be in software and not in hardware. Signed-off-by: Eli Cohen <elic@nvidia.com> Reviewed-by: Mark Bloch <mbloch@nvidia.com> Signed-off-by: Saeed Mahameed <saeedm@nvidia.com> |
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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.