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teaming: deliver link-local packets with the link they arrive on

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skb is ignored if team port is disabled. We want the skb to be delivered
if it's an link layer packet.

Issue is already fixed for bonding in
commit b89f04c61e ("bonding: deliver link-local packets with skb->dev set to link that packets arrived on")

changelog:

v2: change LLDP -> link layer in comments/commit descrip, comment format

Signed-off-by: jeffreyji <jeffreyji@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
jeffreyji 2022-02-17 21:23:12 +00:00 committed by David S. Miller
parent a3b355c778
commit aaae162aeb
1 changed files with 5 additions and 0 deletions
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5
drivers/net/team/team.c
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@ -734,6 +734,11 @@ static rx_handler_result_t team_handle_frame(struct sk_buff **pskb)
port = team_port_get_rcu(skb->dev);
team = port->team;
if (!team_port_enabled(port)) {
if (is_link_local_ether_addr(eth_hdr(skb)->h_dest))
/* link-local packets are mostly useful when stack receives them
* with the link they arrive on.
*/
return RX_HANDLER_PASS;
/* allow exact match delivery for disabled ports */
res = RX_HANDLER_EXACT;
} else {