Commit b7ade35e authored by Kurt Kanzenbach's avatar Kurt Kanzenbach Committed by Jakub Kicinski
Browse files

net: dsa: hellcreek: Add STP forwarding rule 



Treat STP as management traffic. STP traffic is designated for the CPU port
only. In addition, STP traffic has to pass blocked ports.

Fixes: e4b27ebc ("net: dsa: Add DSA driver for Hirschmann Hellcreek switches")
Signed-off-by: default avatarKurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: default avatarVladimir Oltean <olteanv@gmail.com>
Acked-by: default avatarRichard Cochran <richardcochran@gmail.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 4db4c3ea

drivers/net/dsa/hirschmann/hellcreek.c

+14 −0
Original line number Diff line number Diff line
@@ -1075,6 +1075,17 @@ static int hellcreek_setup_fdb(struct hellcreek *hellcreek) 
		.reprio_tc    = 6,	/* TC: 6 as per IEEE 802.1AS */

		.reprio_en    = 1,

	};

	static struct hellcreek_fdb_entry stp = {

		/* MAC: 01-80-C2-00-00-00 */

		.mac	      = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 },

		.portmask     = 0x03,	/* Management ports */

		.age	      = 0,

		.is_obt	      = 0,

		.pass_blocked = 1,

		.is_static    = 1,

		.reprio_tc    = 6,

		.reprio_en    = 1,

	};

	int ret;



	mutex_lock(&hellcreek->reg_lock);
@@ -1082,6 +1093,9 @@ static int hellcreek_setup_fdb(struct hellcreek *hellcreek) 
	if (ret)

		goto out;

	ret = __hellcreek_fdb_add(hellcreek, &p2p);

	if (ret)

		goto out;

	ret = __hellcreek_fdb_add(hellcreek, &stp);

out:

	mutex_unlock(&hellcreek->reg_lock);