From: Eric Dumazet <eric.duma...@gmail.com> Date: Fri, 25 Aug 2017 20:40:44 -0700
> On Fri, 2017-08-25 at 20:25 -0700, Florian Fainelli wrote: > >> It would. Since the call trace involves udp_send_skb() how come we are >> not returning an error to write(2)? are there other code paths where the >> neighbor code can do drops like these? > > Are you suggesting write(2) should block until ARP resolution is > done ? :) > > What about non blocking writes ? > > Honestly UDP is not a protocol for which we must absolutely be sure > packets are sent or not. Agreed, but the ARP resolution queue really needs to scale it's backlog to the physical technology it is attached to.
