From: Vladimir Oltean <olteanv@gmail.com>
To: netdev@vger.kernel.org
Cc: Andrew Lunn <andrew@lunn.ch>,
Florian Fainelli <f.fainelli@gmail.com>,
Vivien Didelot <vivien.didelot@gmail.com>,
Jiri Pirko <jiri@resnulli.us>, Ido Schimmel <idosch@idosch.org>,
Tobias Waldekranz <tobias@waldekranz.com>,
Vladimir Oltean <vladimir.oltean@nxp.com>
Subject: [PATCH v2 net-next 01/12] Documentation: networking: update the graphical representation
Date: Tue, 16 Mar 2021 13:24:08 +0200 [thread overview]
Message-ID: <20210316112419.1304230-2-olteanv@gmail.com> (raw)
In-Reply-To: <20210316112419.1304230-1-olteanv@gmail.com>
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>
Reviewed-by: Tobias Waldekranz <tobias@waldekranz.com>
---
Documentation/networking/dsa/dsa.rst | 45 +++++++++++++++++-----------
1 file 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
--------------
--
2.25.1
next prev parent reply other threads:[~2021-03-16 11:25 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-16 11:24 [PATCH v2 net-next 00/12] Documentation updates for switchdev and DSA Vladimir Oltean
2021-03-16 11:24 ` Vladimir Oltean [this message]
2021-03-16 11:24 ` [PATCH v2 net-next 02/12] Documentation: networking: dsa: rewrite chapter about tagging protocol Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 03/12] Documentation: networking: dsa: remove static port count from limitations Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 04/12] Documentation: networking: dsa: remove references to switchdev prepare/commit Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 05/12] Documentation: networking: dsa: remove TODO about porting more vendor drivers Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 06/12] Documentation: networking: dsa: document the port_bridge_flags method Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 07/12] Documentation: networking: dsa: mention integration with devlink Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 08/12] Documentation: networking: dsa: add paragraph for the LAG offload Vladimir Oltean
2021-03-16 18:04 ` Tobias Waldekranz
2021-03-16 11:24 ` [PATCH v2 net-next 09/12] Documentation: networking: dsa: add paragraph for the MRP offload Vladimir Oltean
2021-03-16 15:12 ` Horatiu Vultur
2021-03-16 11:24 ` [PATCH v2 net-next 10/12] Documentation: networking: dsa: add paragraph for the HSR/PRP offload Vladimir Oltean
2021-03-16 11:24 ` [PATCH v2 net-next 11/12] Documentation: networking: switchdev: clarify device driver behavior Vladimir Oltean
2021-03-16 14:01 ` Ido Schimmel
2021-03-16 14:04 ` Vladimir Oltean
2021-03-16 14:13 ` Ido Schimmel
2021-03-16 11:24 ` [PATCH v2 net-next 12/12] Documentation: networking: switchdev: fix command for static FDB entries Vladimir Oltean
2021-03-16 14:04 ` Ido Schimmel
2021-03-16 22:20 ` [PATCH v2 net-next 00/12] Documentation updates for switchdev and DSA patchwork-bot+netdevbpf
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