On Fri, 29 Jan 2021 22:49:27 +0100
Lorenzo Bianconi wrote:
> On Jan 29, Lorenzo Bianconi wrote:
> > On Jan 29, Jesper Dangaard Brouer wrote:
> > > On Fri, 29 Jan 2021 17:02:16 +0100
> > > Jesper Dangaard Brouer wrote:
> > >
> > > > > + for (i = 0; i < n_skb; i++) {
> > > > > +
On Jan 29, Lorenzo Bianconi wrote:
> On Jan 29, Jesper Dangaard Brouer wrote:
> > On Fri, 29 Jan 2021 17:02:16 +0100
> > Jesper Dangaard Brouer wrote:
> >
> > > > + for (i = 0; i < n_skb; i++) {
> > > > + struct sk_buff *skb = skbs[i];
> > > > +
> > > > + memset(
On Jan 29, Jesper Dangaard Brouer wrote:
> On Fri, 29 Jan 2021 17:02:16 +0100
> Jesper Dangaard Brouer wrote:
>
> > > + for (i = 0; i < n_skb; i++) {
> > > + struct sk_buff *skb = skbs[i];
> > > +
> > > + memset(skb, 0, offsetof(struct sk_buff, tail));
> >
> > It is very subtle
> On 2021/01/29 4:41, Lorenzo Bianconi wrote:
> > Split ndo_xdp_xmit and ndo_start_xmit use cases in veth_xdp_rcv routine
> > in order to alloc skbs in bulk for XDP_PASS verdict.
> > Introduce xdp_alloc_skb_bulk utility routine to alloc skb bulk list.
> > The proposed approach has been tested in th
On Fri, 29 Jan 2021 17:02:16 +0100
Jesper Dangaard Brouer wrote:
> > + for (i = 0; i < n_skb; i++) {
> > + struct sk_buff *skb = skbs[i];
> > +
> > + memset(skb, 0, offsetof(struct sk_buff, tail));
>
> It is very subtle, but the memset operation on Intel CPU translates
>
