6.17-stable review patch. If anyone has any objections, please let me know.
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From: Jonas Gorski jonas.gorski@gmail.com
[ Upstream commit 9316012dd01952f75e37035360138ccc786ef727 ]
BCM5325/65's Entry register uses the highest three bits for VALID/STATIC/AGE, so shifting by 53 only will add these to b53_arl_entry::vid.
So make sure to mask the vid value as well, to not get invalid VIDs.
Fixes: c45655386e53 ("net: dsa: b53: add support for FDB operations on 5325/5365") Reviewed-by: Florian Fainelli florian.fainelli@broadcom.com Tested-by: Álvaro Fernández Rojas noltari@gmail.com Signed-off-by: Jonas Gorski jonas.gorski@gmail.com Link: https://patch.msgid.link/20251128080625.27181-3-jonas.gorski@gmail.com Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/dsa/b53/b53_priv.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h index 458775f951643..2f44b3b6a0d9f 100644 --- a/drivers/net/dsa/b53/b53_priv.h +++ b/drivers/net/dsa/b53/b53_priv.h @@ -338,7 +338,7 @@ static inline void b53_arl_to_entry_25(struct b53_arl_entry *ent, ent->is_age = !!(mac_vid & ARLTBL_AGE_25); ent->is_static = !!(mac_vid & ARLTBL_STATIC_25); u64_to_ether_addr(mac_vid, ent->mac); - ent->vid = mac_vid >> ARLTBL_VID_S_65; + ent->vid = (mac_vid >> ARLTBL_VID_S_65) & ARLTBL_VID_MASK_25; }
static inline void b53_arl_from_entry(u64 *mac_vid, u32 *fwd_entry,