On Mon, Jun 25, 2018 at 02:07:06PM +0300, Sameeh Jubran wrote: > From: Sameeh Jubran <sjub...@redhat.com> > > This commit is a sample only for using the libbpf in the code and > shouldn't be committed. > > Signed-off-by: Sameeh Jubran <sjub...@redhat.com> > --- > hw/net/Makefile.objs | 4 ++++ > hw/net/virtio-net.c | 4 ++++ > 2 files changed, 8 insertions(+) > > diff --git a/hw/net/Makefile.objs b/hw/net/Makefile.objs > index fa461d4463..0fb271436d 100644 > --- a/hw/net/Makefile.objs > +++ b/hw/net/Makefile.objs > @@ -37,6 +37,10 @@ obj-$(CONFIG_PSERIES) += spapr_llan.o > obj-$(CONFIG_XILINX_ETHLITE) += xilinx_ethlite.o > > obj-$(CONFIG_VIRTIO_NET) += virtio-net.o > +ifeq ($(CONFIG_BPF),y) > + virtio-net.o-cflags := $(CFLAGS_BPF) > + virtio-net.o-libs := $(LIBS_BPF) > +endif > obj-y += vhost_net.o > > obj-$(CONFIG_ETSEC) += fsl_etsec/etsec.o fsl_etsec/registers.o \ > diff --git a/hw/net/virtio-net.c b/hw/net/virtio-net.c > index 90502fca7c..b4840838c1 100644 > --- a/hw/net/virtio-net.c > +++ b/hw/net/virtio-net.c > @@ -27,6 +27,7 @@ > #include "hw/virtio/virtio-access.h" > #include "migration/misc.h" > #include "standard-headers/linux/ethtool.h" > +#include "standard-headers/linux/libbpf.h" > > #define VIRTIO_NET_VM_VERSION 11 > > @@ -1329,6 +1330,9 @@ static int32_t virtio_net_flush_tx(VirtIONetQueue *q) > VirtQueueElement *elem; > int32_t num_packets = 0; > int queue_index = vq2q(virtio_get_queue_index(q->tx_vq)); > + > + struct bpf_object *obj = NULL; > + bpf_object__load(obj);
This really doesn't tell us anything useful about how this will be used and integrated in qemu. I'd expect this patch to actually be doing a real feature complete impl of RSS for virtio-net. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|