linux-kernel - [RFC net-next 2/3] net: dsa: qca8k: enable assisted learning on CPU port

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Date:   Sat,  7 Aug 2021 20:07:25 +0800
From:   DENG Qingfang <dqfext@...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 (open list:NETWORKING DRIVERS),
        linux-kernel@...r.kernel.org (open list)
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        Jonathan McDowell <noodles@...th.li>,
        Michal Vokáč <vokac.m@...il.com>,
        Christian Lamparter <chunkeey@...il.com>,
        Nishka Dasgupta <nishkadg.linux@...il.com>,
        Xiaofei Shen <xiaofeis@...eaurora.org>,
        John Crispin <john@...ozen.org>,
        Stefan Lippers-Hollmann <s.l-h@....de>,
        Hannu Nyman <hannu.nyman@....fi>,
        Imran Khan <gururug@...il.com>,
        Frank Wunderlich <frank-w@...lic-files.de>,
        Nick Lowe <nick.lowe@...il.com>,
        André Valentin <avalentin@....kalnet.hooya.de>
Subject: [RFC net-next 2/3] net: dsa: qca8k: enable assisted learning on CPU port

Enable assisted learning on CPU port to fix roaming issues.

Although hardware learning is available, it won't work well with
software bridging fallback or multiple CPU ports.

Signed-off-by: DENG Qingfang <dqfext@...il.com>
---
 drivers/net/dsa/qca8k.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
index 798bc548e5b0..de2aa7812d1c 100644
--- a/drivers/net/dsa/qca8k.c
+++ b/drivers/net/dsa/qca8k.c
@@ -1114,6 +1114,8 @@ qca8k_setup(struct dsa_switch *ds)
 	/* We don't have interrupts for link changes, so we need to poll */
 	ds->pcs_poll = true;
 
+	ds->assisted_learning_on_cpu_port = true;
+
 	return 0;
 }
 
-- 
2.25.1