search for: virtio_net_ctrl_guest_offloads

Document VIRTIO_NET_CTRL_GUEST_OFFLOADS and the relevant feature bits. Will allow ethtool control of the offloads down the road. Reported-by: Yan Vugenfirer <yan at daynix.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/uapi/linux/virtio_net.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)...

Document VIRTIO_NET_CTRL_GUEST_OFFLOADS and the relevant feature bits. Will allow ethtool control of the offloads down the road. Reported-by: Yan Vugenfirer <yan at daynix.com> Signed-off-by: Michael S. Tsirkin <mst at redhat.com> --- include/uapi/linux/virtio_net.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)...

From: Dmitry Fleytman <dfleytma at redhat.com> V2 changes: 1. _GUEST_ added to command and feature names 2. Live migration logic fixed Reported-by: Michael S. Tsirkin <mst at redhat.com> One of recently introduced Windows features (RSC) requires network driver to be able to enable and disable HW LRO offload on the fly without device reinitialization. Current Virtio

From: Dmitry Fleytman <dfleytma at redhat.com> V2 changes: 1. _GUEST_ added to command and feature names 2. Live migration logic fixed Reported-by: Michael S. Tsirkin <mst at redhat.com> One of recently introduced Windows features (RSC) requires network driver to be able to enable and disable HW LRO offload on the fly without device reinitialization. Current Virtio

From: Dmitry Fleytman <dfleytma at redhat.com> V4 changes: 1. Feature definitions re-used for command bitmask 2. Command data made uint64 3. Commit messsages fixed Reported-by: Rusty Russell rusty at rustcorp.com.au V3 changes: 1. Compat macro added 2. Feature name beautification V2 changes: 1. _GUEST_ added to command and feature names 2. Live migration logic fixed

From: Dmitry Fleytman <dfleytma at redhat.com> V4 changes: 1. Feature definitions re-used for command bitmask 2. Command data made uint64 3. Commit messsages fixed Reported-by: Rusty Russell rusty at rustcorp.com.au V3 changes: 1. Compat macro added 2. Feature name beautification V2 changes: 1. _GUEST_ added to command and feature names 2. Live migration logic fixed

From: Dmitry Fleytman <dfleytma at redhat.com> V3 changes: 1. Compat macro added 2. Feature name beautification V2 changes: 1. _GUEST_ added to command and feature names 2. Live migration logic fixed Reported-by: Michael S. Tsirkin <mst at redhat.com> One of recently introduced Windows features (RSC) requires network driver to be able to enable and disable HW LRO offload on

From: Dmitry Fleytman <dfleytma at redhat.com> V3 changes: 1. Compat macro added 2. Feature name beautification V2 changes: 1. _GUEST_ added to command and feature names 2. Live migration logic fixed Reported-by: Michael S. Tsirkin <mst at redhat.com> One of recently introduced Windows features (RSC) requires network driver to be able to enable and disable HW LRO offload on

...390: rename drivers/s390/kvm -> drivers/s390/virtio Igor Mammedov (3): vhost: use binary search instead of linear in find_region() vhost: extend memory regions allocation to vmalloc vhost: add max_mem_regions module parameter Michael S. Tsirkin (2): virtio_net: document VIRTIO_NET_CTRL_GUEST_OFFLOADS virtio: define virtio_pci_cfg_cap in header. Pierre Morel (1): 9p/trans_virtio: reset virtio device on remove Stephen Rothwell (1): virtio scsi: fix unused variable warning Thomas Huth (1): virtio: Fix typecast of pointer in vring_init() include/uapi/linux/virtio_net.h...

...390: rename drivers/s390/kvm -> drivers/s390/virtio Igor Mammedov (3): vhost: use binary search instead of linear in find_region() vhost: extend memory regions allocation to vmalloc vhost: add max_mem_regions module parameter Michael S. Tsirkin (2): virtio_net: document VIRTIO_NET_CTRL_GUEST_OFFLOADS virtio: define virtio_pci_cfg_cap in header. Pierre Morel (1): 9p/trans_virtio: reset virtio device on remove Stephen Rothwell (1): virtio scsi: fix unused variable warning Thomas Huth (1): virtio: Fix typecast of pointer in vring_init() include/uapi/linux/virtio_net.h...

..._guest_offloads(struct virtnet_info *vi, u64 offloads) > +{ > + struct scatterlist sg; > + vi->ctrl_offloads = cpu_to_virtio64(vi->vdev, offloads); > + > + sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); > + > + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, > + VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { > + dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int virtnet_clear_guest_offloads(struct virtnet_info *vi) > +{ &...

..._guest_offloads(struct virtnet_info *vi, u64 offloads) > +{ > + struct scatterlist sg; > + vi->ctrl_offloads = cpu_to_virtio64(vi->vdev, offloads); > + > + sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); > + > + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, > + VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { > + dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int virtnet_clear_guest_offloads(struct virtnet_info *vi) > +{ &...

..._guest_offloads(struct virtnet_info *vi, u64 offloads) > +{ > + struct scatterlist sg; > + vi->ctrl_offloads = cpu_to_virtio64(vi->vdev, offloads); > + > + sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); > + > + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, > + VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { > + dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int virtnet_clear_guest_offloads(struct virtnet_info *vi) > +{ &...

..._guest_offloads(struct virtnet_info *vi, u64 offloads) > +{ > + struct scatterlist sg; > + vi->ctrl_offloads = cpu_to_virtio64(vi->vdev, offloads); > + > + sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); > + > + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, > + VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { > + dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); > + return -EINVAL; > + } > + > + return 0; > +} > + > +static int virtnet_clear_guest_offloads(struct virtnet_info *vi) > +{ &...

...390: rename drivers/s390/kvm -> drivers/s390/virtio Igor Mammedov (3): vhost: use binary search instead of linear in find_region() vhost: extend memory regions allocation to vmalloc vhost: add max_mem_regions module parameter Michael S. Tsirkin (2): virtio_net: document VIRTIO_NET_CTRL_GUEST_OFFLOADS virtio: define virtio_pci_cfg_cap in header. Pierre Morel (1): 9p/trans_virtio: reset virtio device on remove Stephen Rothwell (1): virtio scsi: fix unused variable warning Thomas Huth (1): virtio: Fix typecast of pointer in vring_init() include/uapi/linux/virtio_net.h...

..., err); + "Unexpected TXQ (%d) queue failure: %d\n", + qnum, err); dev->stats.tx_dropped++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -2383,7 +2384,7 @@ static int virtnet_set_guest_offloads(struct virtnet_info *vi, u64 offloads) if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { - dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); + dev_warn(&vi->dev->dev, "Fail to set guest offload.\n"); return -EINVAL; } @@ -3114,8 +3115,9 @@ static int virtnet_probe(struct vir...

...390: rename drivers/s390/kvm -> drivers/s390/virtio Igor Mammedov (3): vhost: use binary search instead of linear in find_region() vhost: extend memory regions allocation to vmalloc vhost: add max_mem_regions module parameter Michael S. Tsirkin (2): virtio_net: document VIRTIO_NET_CTRL_GUEST_OFFLOADS virtio: define virtio_pci_cfg_cap in header. Pierre Morel (1): 9p/trans_virtio: reset virtio device on remove Stephen Rothwell (1): virtio scsi: fix unused variable warning Thomas Huth (1): virtio: Fix typecast of pointer in vring_init() include/uapi/linux/virtio_net.h...

..., err); + "Unexpected TXQ (%d) queue failure: %d\n", + qnum, err); dev->stats.tx_dropped++; dev_kfree_skb_any(skb); return NETDEV_TX_OK; @@ -2383,7 +2384,7 @@ static int virtnet_set_guest_offloads(struct virtnet_info *vi, u64 offloads) if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { - dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); + dev_warn(&vi->dev->dev, "Fail to set guest offload.\n"); return -EINVAL; } @@ -3114,8 +3115,9 @@ static int virtnet_probe(struct vir...

...(vi->vdev, offloads); + vi->ctrl->offloads = cpu_to_virtio64(vi->vdev, offloads); - sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); + sg_init_one(&sg, &vi->ctrl->offloads, sizeof(vi->ctrl->offloads)); if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { @@ -2351,6 +2355,7 @@ static void virtnet_free_queues(struct virtnet_info *vi) kfree(vi->rq); kfree(vi->sq); + kfree(vi->ctrl); } static void _free_receive_bufs(struct virtnet_info *vi) @@ -2543,6 +2548,9 @@ static int virtn...

...n err; } +static int virtnet_set_guest_offloads(struct virtnet_info *vi, u64 offloads) +{ + struct scatterlist sg; + vi->ctrl_offloads = cpu_to_virtio64(vi->vdev, offloads); + + sg_init_one(&sg, &vi->ctrl_offloads, sizeof(vi->ctrl_offloads)); + + if (!virtnet_send_command(vi, VIRTIO_NET_CTRL_GUEST_OFFLOADS, + VIRTIO_NET_CTRL_GUEST_OFFLOADS_SET, &sg)) { + dev_warn(&vi->dev->dev, "Fail to set guest offload. \n"); + return -EINVAL; + } + + return 0; +} + +static int virtnet_clear_guest_offloads(struct virtnet_info *vi) +{ + u64 offloads = 0; + + if (!vi->guest_offloads)...