net: dsa: bcm_sf2: Disable learning for ASP port (8b6b208b) · Commits · 戴 / test

We don't want to enable learning for the ASP port since it only receives directed traffic, this allows us to bypass ARL-driven forwarding rules which could conflict with Broadcom tags and/or CFP forwarding. Signed-off-by:

Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:

David S. Miller <davem@davemloft.net>

drivers/net/dsa/bcm_sf2.c

+9 −1

Original line number	Diff line number	Diff line
		@@ -178,9 +178,17 @@ static int bcm_sf2_port_setup(struct dsa_switch *ds, int port,
		core_writel(priv, reg, CORE_DIS_LEARN);

		/* Enable Broadcom tags for that port if requested */
		if (priv->brcm_tag_mask & BIT(port))
		if (priv->brcm_tag_mask & BIT(port)) {
		b53_brcm_hdr_setup(ds, port);

		/* Disable learning on ASP port */
		if (port == 7) {
		reg = core_readl(priv, CORE_DIS_LEARN);
		reg \|= BIT(port);
		core_writel(priv, reg, CORE_DIS_LEARN);
		}
		}

		/* Configure Traffic Class to QoS mapping, allow each priority to map
		* to a different queue number
		*/

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