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8d174351f2
Chelsio NICs have 3 filter regions, in following order of priority: 1. High Priority (HPFILTER) region (Highest Priority). 2. HASH region. 3. Normal FILTER region (Lowest Priority). Currently, there's a 1-to-1 mapping between the prio value passed by TC and the filter region index. However, it's possible to have multiple TC rules with the same prio value. In this case, if a region is exhausted, no attempt is made to try inserting the rule in the next available region. So, rework and remove the 1-to-1 mapping. Instead, dynamically select the region to insert the filter rule, as long as the new rule's prio value doesn't conflict with existing rules across all the 3 regions. Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.