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| author |   Florian Fainelli <f.fainelli@gmail.com> | 2020-03-22 13:58:50 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-03-23 21:44:45 -0700 |
| commit | 0e62f543bed03a64495bd2651d4fe1aa4bcb7fe5 (patch) | |
| tree | 219383ce2f12d8d654532db718973f319cdf963b /net/dsa | |
| parent | Merge branch 'bnxt_en-Bug-fixes' (diff) | |
| download | wireguard-linux-0e62f543bed03a64495bd2651d4fe1aa4bcb7fe5.tar.xz wireguard-linux-0e62f543bed03a64495bd2651d4fe1aa4bcb7fe5.zip | |
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/dsa')
| -rw-r--r-- | net/dsa/tag_brcm.c | 2 |
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 |