On 2018/05/01 16:50, Jesper Dangaard Brouer wrote:
> On Tue, 24 Apr 2018 23:39:18 +0900
> Toshiaki Makita <toshiaki.maki...@gmail.com> wrote:
>
>> +static int veth_xdp_enqueue(struct veth_priv *priv, void *ptr)
>> +{
>> + if (unlikely(ptr_ring_produce(&priv->xdp_ring, ptr)))
>> + return -ENOSPC;
>> +
>> + return 0;
>> +}
>
> Here we have a lock per (enqueued) packet. I'm working on changing the
> ndo_xdp_xmit API to allow bulking. And the tun driver have exact same
> issue/need.
Probably I should have noted in commitlog, but this per-packet lock is
removed in patch 9.
I'm curious about if any change is needed by your new API.
--
Toshiaki Makita
