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authorFlorian Fainelli <f.fainelli@gmail.com>2020-03-22 13:58:50 -0700
committerDavid S. Miller <davem@davemloft.net>2020-03-23 21:44:45 -0700
commit0e62f543bed03a64495bd2651d4fe1aa4bcb7fe5 (patch)
tree219383ce2f12d8d654532db718973f319cdf963b /net
parent39a8f2a88b0c04ff0f5db57ce5d44d36bcce1424 (diff)
downloadlinux-0e62f543bed03a64495bd2651d4fe1aa4bcb7fe5.tar.bz2
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 <mbizon@freebox.fr> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
-rw-r--r--net/dsa/tag_brcm.c2
1 files changed, 2 insertions, 0 deletions
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