On 8/14/20, David Miller wrote:
> From: "Jason A. Donenfeld"
> Date: Fri, 14 Aug 2020 09:30:48 +0200
>
>> @@ -4676,6 +4688,7 @@ static u32 netif_receive_generic_xdp(struct sk_buff
>> *skb,
>> (orig_bcast != is_multicast_ether_addr_64bits(eth->h_dest))) {
>> __skb_push(skb, E
From: "Jason A. Donenfeld"
Date: Fri, 14 Aug 2020 09:30:48 +0200
> @@ -4676,6 +4688,7 @@ static u32 netif_receive_generic_xdp(struct sk_buff
> *skb,
> (orig_bcast != is_multicast_ether_addr_64bits(eth->h_dest))) {
> __skb_push(skb, ETH_HLEN);
> skb->protocol
A user reported that packets from wireguard were possibly ignored by XDP
[1]. Another user reported that modifying packets from layer 3
interfaces results in impossible to diagnose drops.
Apparently, the generic skb xdp handler path seems to assume that
packets will always have an ethernet header,
