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| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2021-03-16 13:24:08 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-03-16 15:13:44 -0700 |
| commit | 0f455371054bd40a69199868af99b80d1f3c4796 (patch) | |
| tree | 8e8b1572a60e128e5b1a0011ed2ec7bd655db3bf /Documentation/networking/dsa | |
| parent | 52280f60c9b6e25b00d43f576690e43baf724d09 (diff) | |
| download | linux-stable-0f455371054bd40a69199868af99b80d1f3c4796.tar.gz linux-stable-0f455371054bd40a69199868af99b80d1f3c4796.tar.bz2 linux-stable-0f455371054bd40a69199868af99b80d1f3c4796.zip | |
Documentation: networking: update the graphical representation
While preparing some slides for a customer presentation, I found the
existing high-level view to be a bit confusing, so I modified it a
little bit.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Tobias Waldekranz <tobias@waldekranz.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/networking/dsa')
| -rw-r--r-- | Documentation/networking/dsa/dsa.rst | 45 |
1 files changed, 28 insertions, 17 deletions
diff --git a/Documentation/networking/dsa/dsa.rst b/Documentation/networking/dsa/dsa.rst index e9517af5fe02..e20fbad2241a 100644 --- a/Documentation/networking/dsa/dsa.rst +++ b/Documentation/networking/dsa/dsa.rst @@ -172,23 +172,34 @@ Graphical representation Summarized, this is basically how DSA looks like from a network device perspective:: - - |--------------------------- - | CPU network device (eth0)| - ---------------------------- - | <tag added by switch | - | | - | | - | tag added by CPU> | - |--------------------------------------------| - | Switch driver | - |--------------------------------------------| - || || || - |-------| |-------| |-------| - | sw0p0 | | sw0p1 | | sw0p2 | - |-------| |-------| |-------| - - + Unaware application + opens and binds socket + | ^ + | | + +-----------v--|--------------------+ + |+------+ +------+ +------+ +------+| + || swp0 | | swp1 | | swp2 | | swp3 || + |+------+-+------+-+------+-+------+| + | DSA switch driver | + +-----------------------------------+ + | ^ + Tag added by | | Tag consumed by + switch driver | | switch driver + v | + +-----------------------------------+ + | Unmodified host interface driver | Software + --------+-----------------------------------+------------ + | Host interface (eth0) | Hardware + +-----------------------------------+ + | ^ + Tag consumed by | | Tag added by + switch hardware | | switch hardware + v | + +-----------------------------------+ + | Switch | + |+------+ +------+ +------+ +------+| + || swp0 | | swp1 | | swp2 | | swp3 || + ++------+-+------+-+------+-+------++ Slave MDIO bus -------------- |