Hello,
On Wed, 16 Aug 2017, Julian Anastasov wrote:
> I thought about this, it is possible in
> neigh_event_send:
>
> if (neigh->used != now)
> neigh->used = now;
> else if (neigh->nud_state == NUD_INCOMPLETE &&
> neigh->arp_queue_len_bytes + skb->truesize >
> NEIGH_VAR(neigh->parms, QUEUE_LEN_BYTES)
With kfree_skb(skb) here, of course...
> return 1;
>
> But this is really in fast path and not sure it is
> worth it. May be if we can move it somehow in __neigh_event_send
> but as neigh->used is changed early we need a better idea
> how to reduce the arp_queue hit rate...
Regards
--
Julian Anastasov <[email protected]>
