Michael S. Tsirkin m...@redhat.com writes:
On Fri, Sep 05, 2014 at 12:40:50PM +0200, Paolo Bonzini wrote:
Il 03/09/2014 06:29, Rusty Russell ha scritto:
+ sg_init_table(rq-sg, MAX_SKB_FRAGS + 2);
I think 2 is enough here. That said...
sg_set_buf(rq-sg, hdr-hdr, sizeof hdr-hdr);
-
On Fri, Sep 05, 2014 at 12:40:50PM +0200, Paolo Bonzini wrote:
Il 03/09/2014 06:29, Rusty Russell ha scritto:
+ sg_init_table(rq-sg, MAX_SKB_FRAGS + 2);
I think 2 is enough here. That said...
sg_set_buf(rq-sg, hdr-hdr, sizeof hdr-hdr);
-
skb_to_sgvec(skb, rq-sg + 1, 0,
Il 03/09/2014 06:29, Rusty Russell ha scritto:
+ sg_init_table(rq-sg, MAX_SKB_FRAGS + 2);
I think 2 is enough here. That said...
sg_set_buf(rq-sg, hdr-hdr, sizeof hdr-hdr);
-
skb_to_sgvec(skb, rq-sg + 1, 0, skb-len);
err = virtqueue_add_inbuf(rq-vq, rq-sg, 2, skb,
On Wed, 3 Sep 2014 13:59:14 +0930
Rusty Russell ru...@rustcorp.com.au wrote:
pktgen results:
modprobe pktgen
echo 'add_device eth0' /proc/net/pktgen/kpktgend_0
echo nowait 1 /proc/net/pktgen/eth0
Maybe your pktgen nowait (patch) should be a flag instead?
echo flag
This is the only driver which doesn't hand virtqueue_add_inbuf and
virtqueue_add_outbuf a well-formed, well-terminated sg. Fix it,
so we can make virtio_add_* simpler.
pktgen results:
modprobe pktgen
echo 'add_device eth0' /proc/net/pktgen/kpktgend_0
echo nowait 1
On Tue, Sep 2, 2014 at 9:29 PM, Rusty Russell ru...@rustcorp.com.au wrote:
This is the only driver which doesn't hand virtqueue_add_inbuf and
virtqueue_add_outbuf a well-formed, well-terminated sg. Fix it,
so we can make virtio_add_* simpler.
OK, I get it now: you're reinitializing the table
