search for: _ufo

...---- Original Message ----- > > UFO support in the kernel applies to both IPv4 and IPv6 protocols > > with the same device feature. However some devices may not be able > > to support one of the offloads. For this we split the UFO offload > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > > this series introduces NETIF_F_UFO6. > > > > As a result of this work, we can now re-enable NETIF_F_UFO on > > virtio_net devices and restore UDP over IPv4 performance for guests. > > We also continue to support legacy guests that a...

...---- Original Message ----- > > UFO support in the kernel applies to both IPv4 and IPv6 protocols > > with the same device feature. However some devices may not be able > > to support one of the offloads. For this we split the UFO offload > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > > this series introduces NETIF_F_UFO6. > > > > As a result of this work, we can now re-enable NETIF_F_UFO on > > virtio_net devices and restore UDP over IPv4 performance for guests. > > We also continue to support legacy guests that a...

...sty Russell <rusty at rustcorp.com.au> Cc: Michael S. Tsirkin <mst at redhat.com> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- Changes from V1: - Drop VIRTIO_NET_F_*_UFO from the checklist, since it was disabled --- drivers/net/virtio_net.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index ec2a8b4..b16a761 100644 --- a/drivers/net/virtio_net.c +++ b/driver...

...sty Russell <rusty at rustcorp.com.au> Cc: Michael S. Tsirkin <mst at redhat.com> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- Changes from V1: - Drop VIRTIO_NET_F_*_UFO from the checklist, since it was disabled --- drivers/net/virtio_net.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 91 insertions(+) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index ec2a8b4..b16a761 100644 --- a/drivers/net/virtio_net.c +++ b/driver...

...ssell <rusty at rustcorp.com.au> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- Changes from V1: - Drop NETIF_F_*_UFO from checklist Changes from V2: - only check the features for ctrl vq (this fix the real bug) - better error message and simplify API Changes from V3: - pass dbit directly and even better error message - typo fix --- drivers/net/virtio_net.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file chang...

...ssell <rusty at rustcorp.com.au> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- Changes from V1: - Drop NETIF_F_*_UFO from checklist Changes from V2: - only check the features for ctrl vq (this fix the real bug) - better error message and simplify API Changes from V3: - pass dbit directly and even better error message - typo fix --- drivers/net/virtio_net.c | 37 +++++++++++++++++++++++++++++++++++++ 1 file chang...

...nel applies to both IPv4 and IPv6 >> protocols >> > > with the same device feature. However some devices may not be >> able >> > > to support one of the offloads. For this we split the UFO >> offload >> > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part >> and >> > > this series introduces NETIF_F_UFO6. >> > > >> > > As a result of this work, we can now re-enable NETIF_F_UFO on >> > > virtio_net devices and restore UDP over IPv4 performance for >> guests...

...nel applies to both IPv4 and IPv6 >> protocols >> > > with the same device feature. However some devices may not be >> able >> > > to support one of the offloads. For this we split the UFO >> offload >> > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part >> and >> > > this series introduces NETIF_F_UFO6. >> > > >> > > As a result of this work, we can now re-enable NETIF_F_UFO on >> > > virtio_net devices and restore UDP over IPv4 performance for >> guests...

...ssell <rusty at rustcorp.com.au> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- Changes from V1: - Drop NETIF_F_*_UFO from checklist Changes from V2: - only check the features for ctrl vq (this fix the real bug) - better error message and simplify API Changes from V3: - pass dbit directly and even better error message - typo fix Changes from v4: - add "device" before "advertise" --- drivers/ne...

...ssell <rusty at rustcorp.com.au> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> Signed-off-by: Jason Wang <jasowang at redhat.com> --- Changes from V1: - Drop NETIF_F_*_UFO from checklist Changes from V2: - only check the features for ctrl vq (this fix the real bug) - better error message and simplify API Changes from V3: - pass dbit directly and even better error message - typo fix Changes from v4: - add "device" before "advertise" --- drivers/ne...

----- Original Message ----- > UFO support in the kernel applies to both IPv4 and IPv6 protocols > with the same device feature. However some devices may not be able > to support one of the offloads. For this we split the UFO offload > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > this series introduces NETIF_F_UFO6. > > As a result of this work, we can now re-enable NETIF_F_UFO on > virtio_net devices and restore UDP over IPv4 performance for guests. > We also continue to support legacy guests that assume that UFO6 > supp...

...e ----- > > > UFO support in the kernel applies to both IPv4 and IPv6 protocols > > > with the same device feature. However some devices may not be able > > > to support one of the offloads. For this we split the UFO offload > > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > > > this series introduces NETIF_F_UFO6. > > > > > > As a result of this work, we can now re-enable NETIF_F_UFO on > > > virtio_net devices and restore UDP over IPv4 performance for guests. > > > We also continue to sup...

----- Original Message ----- > UFO support in the kernel applies to both IPv4 and IPv6 protocols > with the same device feature. However some devices may not be able > to support one of the offloads. For this we split the UFO offload > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > this series introduces NETIF_F_UFO6. > > As a result of this work, we can now re-enable NETIF_F_UFO on > virtio_net devices and restore UDP over IPv4 performance for guests. > We also continue to support legacy guests that assume that UFO6 > supp...

...e ----- > > > UFO support in the kernel applies to both IPv4 and IPv6 protocols > > > with the same device feature. However some devices may not be able > > > to support one of the offloads. For this we split the UFO offload > > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > > > this series introduces NETIF_F_UFO6. > > > > > > As a result of this work, we can now re-enable NETIF_F_UFO on > > > virtio_net devices and restore UDP over IPv4 performance for guests. > > > We also continue to sup...

...support in the kernel applies to both IPv4 and IPv6 protocols > >> > > with the same device feature. However some devices may not be able > >> > > to support one of the offloads. For this we split the UFO offload > >> > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > >> > > this series introduces NETIF_F_UFO6. > >> > > > > As a result of this work, we can now re-enable NETIF_F_UFO on > >> > > virtio_net devices and restore UDP over IPv4 performance for > >>guests. &gt...

...support in the kernel applies to both IPv4 and IPv6 protocols > >> > > with the same device feature. However some devices may not be able > >> > > to support one of the offloads. For this we split the UFO offload > >> > > feature into 2 pieces. NETIF_F_UFO now controlls the IPv4 part and > >> > > this series introduces NETIF_F_UFO6. > >> > > > > As a result of this work, we can now re-enable NETIF_F_UFO on > >> > > virtio_net devices and restore UDP over IPv4 performance for > >>guests. &gt...

...om.au> > Cc: Michael S. Tsirkin <mst at redhat.com> > Cc: Cornelia Huck <cornelia.huck at de.ibm.com> > Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> > Signed-off-by: Jason Wang <jasowang at redhat.com> > --- > Changes from V1: > - Drop VIRTIO_NET_F_*_UFO from the checklist, since it was disabled > --- > drivers/net/virtio_net.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 91 insertions(+) > > diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c > index ec2a8b4..b16a761 100644 > --- a/dr...

...el S. Tsirkin <mst at redhat.com> >> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> >> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> >> Signed-off-by: Jason Wang <jasowang at redhat.com> >> --- >> Changes from V1: >> - Drop VIRTIO_NET_F_*_UFO from the checklist, since it was disabled >> --- >> drivers/net/virtio_net.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 91 insertions(+) >> >> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c >> index ec2a8b4..b16a7...

...el S. Tsirkin <mst at redhat.com> >> Cc: Cornelia Huck <cornelia.huck at de.ibm.com> >> Cc: Wanlong Gao <gaowanlong at cn.fujitsu.com> >> Signed-off-by: Jason Wang <jasowang at redhat.com> >> --- >> Changes from V1: >> - Drop VIRTIO_NET_F_*_UFO from the checklist, since it was disabled >> --- >> drivers/net/virtio_net.c | 91 ++++++++++++++++++++++++++++++++++++++++++++++++ >> 1 file changed, 91 insertions(+) >> >> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c >> index ec2a8b4..b16a7...

...rl_vq[] = { + VIRTIO_NET_F_CTRL_RX, + VIRTIO_NET_F_CTRL_VLAN, + VIRTIO_NET_F_GUEST_ANNOUNCE, + VIRTIO_NET_F_MQ, + VIRTIO_NET_F_CTRL_MAC_ADDR + }; + unsigned int features_for_guest_csum[] = { + VIRTIO_NET_F_GUEST_TSO4, + VIRTIO_NET_F_GUEST_TSO6, + VIRTIO_NET_F_GUEST_ECN, + VIRTIO_NET_F_GUEST_UFO, + }; + unsigned int features_for_host_csum[] = { + VIRTIO_NET_F_HOST_TSO4, + VIRTIO_NET_F_HOST_TSO6, + VIRTIO_NET_F_HOST_ECN, + VIRTIO_NET_F_HOST_UFO, + }; + int err; + + err = virtnet_validate_features(dev, features_for_ctrl_vq, + ARRAY_SIZE(features_for_ctrl_vq), + VIRTIO_NET_F_CTRL_...