From 0e62f543bed03a64495bd2651d4fe1aa4bcb7fe5 Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Sun, 22 Mar 2020 13:58:50 -0700 Subject: 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: 5037d532b83d ("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(+) (limited to 'net/dsa/tag_brcm.c') diff --git a/net/dsa/tag_brcm.c b/net/dsa/tag_brcm.c index 9c3114179690..9169b63a89e3 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 -- cgit