Message ID | 20210221213355.1241450-2-olteanv@gmail.com (mailing list archive) |
---|---|
State | RFC |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | Documentation updates for switchdev and DSA | expand |
Context | Check | Description |
---|---|---|
netdev/cover_letter | success | Link |
netdev/fixes_present | success | Link |
netdev/patch_count | success | Link |
netdev/tree_selection | success | Clearly marked for net-next |
netdev/subject_prefix | success | Link |
netdev/cc_maintainers | warning | 6 maintainers not CCed: linux-doc@vger.kernel.org kuba@kernel.org corbet@lwn.net davem@davemloft.net vladimir.oltean@nxp.com rdunlap@infradead.org |
netdev/source_inline | success | Was 0 now: 0 |
netdev/verify_signedoff | success | Link |
netdev/module_param | success | Was 0 now: 0 |
netdev/build_32bit | success | Errors and warnings before: 0 this patch: 0 |
netdev/kdoc | success | Errors and warnings before: 0 this patch: 0 |
netdev/verify_fixes | success | Link |
netdev/checkpatch | success | total: 0 errors, 0 warnings, 0 checks, 51 lines checked |
netdev/build_allmodconfig_warn | success | Errors and warnings before: 0 this patch: 0 |
netdev/header_inline | success | Link |
netdev/stable | success | Stable not CCed |
On 2/21/2021 13:33, Vladimir Oltean wrote: > From: Vladimir Oltean <vladimir.oltean@nxp.com> > > 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>
On Sun, Feb 21, 2021 at 23:33, Vladimir Oltean <olteanv@gmail.com> wrote: > From: Vladimir Oltean <vladimir.oltean@nxp.com> > > 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: Tobias Waldekranz <tobias@waldekranz.com>
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 --------------