From c35f5d0592e8fcdbf1333a249129ac80bdd66604 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sun, 22 Mar 2020 13:58:50 -0700 Subject: [PATCH] net: dsa: Fix duplicate frames flooded by learning When both the switch and the bridge are learning about new addresses, switch ports attached to the bridge would see duplicate ARP frames because both entities would attempt to send them. Fixes: 5c0322d61058 ("net: dsa: add Broadcom tag RX/TX handler") Reported-by: Maxime Bizon Signed-off-by: Florian Fainelli Reviewed-by: Vivien Didelot Signed-off-by: David S. Miller --- net/dsa/tag_brcm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c index 9c31141796907..9169b63a89e3e 100644 --- a/net/dsa/tag_brcm.c +++ b/net/dsa/tag_brcm.c @@ -140,6 +140,8 @@ static struct sk_buff *brcm_tag_rcv_ll(struct sk_buff *skb, /* Remove Broadcom tag and update checksum */ skb_pull_rcsum(skb, BRCM_TAG_LEN); + skb->offload_fwd_mark = 1; + return skb; } #endif -- 2.39.5