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dba1d918da
The classifier configuration for RSS is quite complex, with several lookup tables being used. This commit adds useful info in debugfs to see how the different tables are configured : Added 2 new entries in the per-port directory : - .../eth0/default_rxq : The default rx queue on that port - .../eth0/rss_enable : Indicates if RSS is enabled in the C2 entry Added the 'flows' directory : It contains one entry per sub-flow. a 'sub-flow' is a unique path from Header Parser to the flow table. Multiple sub-flows can point to the same 'flow' (each flow has an id from 8 to 29, which is its index in the Lookup Id table) : - .../flows/00/... /01/... ... /51/id : The flow id. There are 21 unique flows. There's one flow per combination of the following parameters : - L4 protocol (TCP, UDP, none) - L3 protocol (IPv4, IPv6) - L3 parameters (Fragmented or not) - L2 parameters (Vlan tag presence or not) .../type : The flow type. This is an even higher level flow, that we manipulate with ethtool. It can be : "udp4" "tcp4" "udp6" "tcp6" "ipv4" "ipv6" "other". .../eth0/... .../eth1/engine : The hash generation engine used for this flow on the given port .../hash_opts : The hash generation options indicating on what data we base the hash (vlan tag, src IP, src port, etc.) Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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arch | ||
block | ||
certs | ||
crypto | ||
Documentation | ||
drivers | ||
firmware | ||
fs | ||
include | ||
init | ||
ipc | ||
kernel | ||
lib | ||
LICENSES | ||
mm | ||
net | ||
samples | ||
scripts | ||
security | ||
sound | ||
tools | ||
usr | ||
virt | ||
.clang-format | ||
.cocciconfig | ||
.get_maintainer.ignore | ||
.gitattributes | ||
.gitignore | ||
.mailmap | ||
COPYING | ||
CREDITS | ||
Kbuild | ||
Kconfig | ||
MAINTAINERS | ||
Makefile | ||
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. See Documentation/00-INDEX for a list of what is contained in each file. 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.