netdev - [net-next PATCH 0/2] Add mirror and LAG support to qca8k

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Date:   Tue, 23 Nov 2021 03:59:09 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Vladimir Oltean <olteanv@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Ansuel Smith <ansuelsmth@...il.com>
Subject: [net-next PATCH 0/2] Add mirror and LAG support to qca8k

With the continue of adding 'Multiple feature to qca8k'

The switch supports mirror mode and LAG.
In mirror mode a port is set as mirror and other port are configured
to both igress or egress mode. With no port configured for mirror,
the mirror port is disabled and reverted to normal port.

The switch supports max 4 LAG with 4 different member max.
Current supported mode is Hash mode in both L2 or L2+3 mode.
There is a problematic implementation for the hash mode where
with multiple LAG configured, someone has to remove them to
change the hash mode as it's global.
When a member of the LAG is disconnected, the traffic is redirected
to the other port.

Some warning are present from checkpatch but can't really be fixed
as it would result in making the regs less readable.
(They really did their best with the LAG reg logic and complexity)

Ansuel Smith (2):
  net: dsa: qca8k: add support for mirror mode
  net: dsa: qca8k: add LAG support

 drivers/net/dsa/qca8k.c | 272 ++++++++++++++++++++++++++++++++++++++++
 drivers/net/dsa/qca8k.h |  37 ++++++
 2 files changed, 309 insertions(+)

-- 
2.32.0