On Tue, 30 Aug 2016 15:08:58 +0200
Nikolay Aleksandrov <nikolay@xxxxxxxxxxxxxxxxxxx> wrote:
> - if (!is_broadcast_ether_addr(dest) && is_multicast_ether_addr(dest) &&
> - br_multicast_rcv(br, p, skb, vid))
> - goto drop;
> + local_rcv = !!(br->dev->flags & IFF_PROMISC);
local_rcv is needlessly initialized in existing code. Pls remove that.
> + if (is_multicast_ether_addr(dest)) {
> + /* by definition the broadcast is also a multicast address */
> + if (is_broadcast_ether_addr(dest)) {
> + pkt_type = BR_PKT_BROADCAST;
> + local_rcv = true;
> + } else {
> + pkt_type = BR_PKT_MULTICAST;
> + if (br_multicast_rcv(br, p, skb, vid))
> + goto drop;
> + }
> + }
>
These could go after the BR_STATE_LEARNING check
> if (p->state == BR_STATE_LEARNING)
> goto drop;
>
> BR_INPUT_SKB_CB(skb)->brdev = br->dev;
>
> - local_rcv = !!(br->dev->flags & IFF_PROMISC);
> -
> if (IS_ENABLED(CONFIG_INET) && skb->protocol == htons(ETH_P_ARP))
> br_do_proxy_arp(skb, br, vid, p);
>
can't proxy_arp change what was a broadcast packet into a unicast packet?
