[PATCH net-next v2 2/4] net: dsa: hellcreek: Add STP forwarding rule
flat view
STALE1760d
From: Kurt Kanzenbach <kurt@linutronix.de>
Date: 2021-12-14 13:45:41
Subsystem:
hirschmann hellcreek ethernet switch driver, networking drivers, networking [dsa], the rest · Maintainers:
Kurt Kanzenbach, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Andrew Lunn, Vladimir Oltean, Linus Torvalds
Treat STP as management traffic. STP traffic is designated for the CPU port
only. In addition, STP traffic has to pass blocked ports.
Fixes: e4b27ebc780f ("net: dsa: Add DSA driver for Hirschmann Hellcreek switches")
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
---
drivers/net/dsa/hirschmann/hellcreek.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c
index c4f840b20adf..17d3a4a3582e 100644
--- a/drivers/net/dsa/hirschmann/hellcreek.c
+++ b/drivers/net/dsa/hirschmann/hellcreek.c@@ -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);
--
2.30.2