| Message ID | 1479419887-10515-3-git-send-email-maxime.coquelin@redhat.com |
|---|---|
| State | New |
| Headers | show |
On Thu, Nov 17, 2016 at 10:58:06PM +0100, Maxime Coquelin wrote: > If VHOST_USER_F_MTU feature is negociated, vhost-net makes the negotiated > advised MTU available to virtio-net through a vhost_net_get_mtu() > call. > > Cc: Michael S. Tsirkin <mst@redhat.com> > Cc: Aaron Conole <aconole@redhat.com> > Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> > --- > hw/net/vhost_net.c | 11 +++++++++++ > include/net/vhost_net.h | 2 ++ > 2 files changed, 13 insertions(+) > > diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c > index f2d49ad..21057d6 100644 > --- a/hw/net/vhost_net.c > +++ b/hw/net/vhost_net.c > @@ -74,6 +74,7 @@ static const int user_feature_bits[] = { > VIRTIO_NET_F_HOST_ECN, > VIRTIO_NET_F_HOST_UFO, > VIRTIO_NET_F_MRG_RXBUF, > + VIRTIO_NET_F_MTU, > > /* This bit implies RARP isn't sent by QEMU out of band */ > VIRTIO_NET_F_GUEST_ANNOUNCE, > @@ -435,6 +436,11 @@ int vhost_set_vring_enable(NetClientState *nc, int enable) > return 0; > } > > +uint64_t vhost_net_get_mtu(struct vhost_net *net) > +{ > + return net->dev.mtu; > +} > + > #else > uint64_t vhost_net_get_max_queues(VHostNetState *net) > { > @@ -501,4 +507,9 @@ int vhost_set_vring_enable(NetClientState *nc, int enable) > { > return 0; > } > + > +uint64_t vhost_net_get_mtu(struct vhost_net *net) > +{ > + return 0; > +} > #endif > diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h > index 5a08eff..37de17b 100644 > --- a/include/net/vhost_net.h > +++ b/include/net/vhost_net.h > @@ -35,4 +35,6 @@ int vhost_set_vring_enable(NetClientState * nc, int enable); > > uint64_t vhost_net_get_acked_features(VHostNetState *net); > > +uint64_t vhost_net_get_mtu(struct vhost_net *net); > + > #endif > -- > 2.7.4
Maxime Coquelin <maxime.coquelin@redhat.com> writes: > If VHOST_USER_F_MTU feature is negociated, vhost-net makes the > advised MTU available to virtio-net through a vhost_net_get_mtu() s/advised/maximum/ > call. > > Cc: Michael S. Tsirkin <mst@redhat.com> > Cc: Aaron Conole <aconole@redhat.com> > Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> > --- > hw/net/vhost_net.c | 11 +++++++++++ > include/net/vhost_net.h | 2 ++ > 2 files changed, 13 insertions(+) > > diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c > index f2d49ad..21057d6 100644 > --- a/hw/net/vhost_net.c > +++ b/hw/net/vhost_net.c > @@ -74,6 +74,7 @@ static const int user_feature_bits[] = { > VIRTIO_NET_F_HOST_ECN, > VIRTIO_NET_F_HOST_UFO, > VIRTIO_NET_F_MRG_RXBUF, > + VIRTIO_NET_F_MTU, > > /* This bit implies RARP isn't sent by QEMU out of band */ > VIRTIO_NET_F_GUEST_ANNOUNCE, > @@ -435,6 +436,11 @@ int vhost_set_vring_enable(NetClientState *nc, int enable) > return 0; > } > > +uint64_t vhost_net_get_mtu(struct vhost_net *net) > +{ > + return net->dev.mtu; > +} > + > #else > uint64_t vhost_net_get_max_queues(VHostNetState *net) > { > @@ -501,4 +507,9 @@ int vhost_set_vring_enable(NetClientState *nc, int enable) > { > return 0; > } > + > +uint64_t vhost_net_get_mtu(struct vhost_net *net) > +{ > + return 0; > +} > #endif > diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h > index 5a08eff..37de17b 100644 > --- a/include/net/vhost_net.h > +++ b/include/net/vhost_net.h > @@ -35,4 +35,6 @@ int vhost_set_vring_enable(NetClientState * nc, int enable); > > uint64_t vhost_net_get_acked_features(VHostNetState *net); > > +uint64_t vhost_net_get_mtu(struct vhost_net *net); > + > #endif
On 11/17/2016 11:39 PM, Michael S. Tsirkin wrote: > On Thu, Nov 17, 2016 at 10:58:06PM +0100, Maxime Coquelin wrote: >> > If VHOST_USER_F_MTU feature is negociated, vhost-net makes the > > negotiated Excuse my "frenglish"... It will be fixed in next revision. Thanks, Maxime
diff --git a/hw/net/vhost_net.c b/hw/net/vhost_net.c index f2d49ad..21057d6 100644 --- a/hw/net/vhost_net.c +++ b/hw/net/vhost_net.c @@ -74,6 +74,7 @@ static const int user_feature_bits[] = { VIRTIO_NET_F_HOST_ECN, VIRTIO_NET_F_HOST_UFO, VIRTIO_NET_F_MRG_RXBUF, + VIRTIO_NET_F_MTU, /* This bit implies RARP isn't sent by QEMU out of band */ VIRTIO_NET_F_GUEST_ANNOUNCE, @@ -435,6 +436,11 @@ int vhost_set_vring_enable(NetClientState *nc, int enable) return 0; } +uint64_t vhost_net_get_mtu(struct vhost_net *net) +{ + return net->dev.mtu; +} + #else uint64_t vhost_net_get_max_queues(VHostNetState *net) { @@ -501,4 +507,9 @@ int vhost_set_vring_enable(NetClientState *nc, int enable) { return 0; } + +uint64_t vhost_net_get_mtu(struct vhost_net *net) +{ + return 0; +} #endif diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h index 5a08eff..37de17b 100644 --- a/include/net/vhost_net.h +++ b/include/net/vhost_net.h @@ -35,4 +35,6 @@ int vhost_set_vring_enable(NetClientState * nc, int enable); uint64_t vhost_net_get_acked_features(VHostNetState *net); +uint64_t vhost_net_get_mtu(struct vhost_net *net); + #endif
If VHOST_USER_F_MTU feature is negociated, vhost-net makes the advised MTU available to virtio-net through a vhost_net_get_mtu() call. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Aaron Conole <aconole@redhat.com> Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com> --- hw/net/vhost_net.c | 11 +++++++++++ include/net/vhost_net.h | 2 ++ 2 files changed, 13 insertions(+)