search for: needed_headroom

Displaying 20 results from an estimated 56 matches for "needed_headroom".

[PATCH v6 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 27
1
[PATCH v6 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v6 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 27
1
[PATCH v6 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH -next 2/2] virtio_net: Read the advised MTU
2016 Jun 02
1
[PATCH -next 2/2] virtio_net: Read the advised MTU
...ev, VIRTIO_NET_F_CTRL_VQ)) > vi->has_cvq = true; > > + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { > + dev->mtu = virtio_cread16(vdev, > + offsetof(struct virtio_net_config, > + mtu)); > + } > + > if (vi->any_header_sg) > dev->needed_headroom = vi->hdr_len; > > @@ -2067,6 +2073,7 @@ static unsigned int features[] = { > VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, > VIRTIO_NET_F_CTRL_MAC_ADDR, > VIRTIO_F_ANY_LAYOUT, > + VIRTIO_NET_F_MTU, > }; > > static struct virtio_driver virtio_net_driver = {...
[PATCH -next 2/2] virtio_net: Read the advised MTU
2016 Jun 02
1
[PATCH -next 2/2] virtio_net: Read the advised MTU
...ev, VIRTIO_NET_F_CTRL_VQ)) > vi->has_cvq = true; > > + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { > + dev->mtu = virtio_cread16(vdev, > + offsetof(struct virtio_net_config, > + mtu)); > + } > + > if (vi->any_header_sg) > dev->needed_headroom = vi->hdr_len; > > @@ -2067,6 +2073,7 @@ static unsigned int features[] = { > VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, > VIRTIO_NET_F_CTRL_MAC_ADDR, > VIRTIO_F_ANY_LAYOUT, > + VIRTIO_NET_F_MTU, > }; > > static struct virtio_driver virtio_net_driver = {...
[PATCH net-next] virtio-net: enable multiqueue by default
2016 Nov 25
7
[PATCH net-next] virtio-net: enable multiqueue by default
...ertions(+), 2 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d4ac7a6..a21d93a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1886,8 +1886,11 @@ static int virtnet_probe(struct virtio_device *vdev) if (vi->any_header_sg) dev->needed_headroom = vi->hdr_len; - /* Use single tx/rx queue pair as default */ - vi->curr_queue_pairs = 1; + /* Enable multiqueue by default */ + if (num_online_cpus() >= max_queue_pairs) + vi->curr_queue_pairs = max_queue_pairs; + else + vi->curr_queue_pairs = num_online_cpus(); vi->max_que...
[PATCH net-next] virtio-net: enable multiqueue by default
2016 Nov 25
7
[PATCH net-next] virtio-net: enable multiqueue by default
...ertions(+), 2 deletions(-) diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index d4ac7a6..a21d93a 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1886,8 +1886,11 @@ static int virtnet_probe(struct virtio_device *vdev) if (vi->any_header_sg) dev->needed_headroom = vi->hdr_len; - /* Use single tx/rx queue pair as default */ - vi->curr_queue_pairs = 1; + /* Enable multiqueue by default */ + if (num_online_cpus() >= max_queue_pairs) + vi->curr_queue_pairs = max_queue_pairs; + else + vi->curr_queue_pairs = num_online_cpus(); vi->max_que...
[PATCH RFC 2/4] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Oct 23
0
[PATCH RFC 2/4] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH RFC 2/4] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Oct 23
0
[PATCH RFC 2/4] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v3 20/41] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 24
0
[PATCH v3 20/41] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v3 20/41] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 24
0
[PATCH v3 20/41] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v5 23/45] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 27
0
[PATCH v5 23/45] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v5 23/45] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 27
0
[PATCH v5 23/45] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v7 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 30
0
[PATCH v7 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v8 24/50] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Dec 01
0
[PATCH v8 24/50] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v7 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Nov 30
0
[PATCH v7 24/46] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[PATCH v8 24/50] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
2014 Dec 01
0
[PATCH v8 24/50] virtio_net: get rid of virtio_net_hdr/skb_vnet_hdr
...se + vi->hdr_len = sizeof(struct virtio_net_hdr); + if (virtio_has_feature(vdev, VIRTIO_F_ANY_LAYOUT)) vi->any_header_sg = true; if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; - if (vi->any_header_sg) { - if (vi->mergeable_rx_bufs) - dev->needed_headroom = sizeof(struct virtio_net_hdr_mrg_rxbuf); - else - dev->needed_headroom = sizeof(struct virtio_net_hdr); - } + if (vi->any_header_sg) + dev->needed_headroom = vi->hdr_len; /* Use single tx/rx queue pair as default */ vi->curr_queue_pairs = 1; -- MST
[RFC -next 2/2] virtio_net: Read and use the advised MTU
2016 Mar 10
1
[RFC -next 2/2] virtio_net: Read and use the advised MTU
...>has_cvq = true; > > + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { > + vi->negotiated_mtu = true; > + dev->mtu = virtio_cread16(vdev, > + offsetof(struct virtio_net_config, > + mtu)); > + } > + > if (vi->any_header_sg) > dev->needed_headroom = vi->hdr_len; > > @@ -2017,8 +2029,9 @@ static unsigned int features[] = { > VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_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_ADD...
[RFC -next 2/2] virtio_net: Read and use the advised MTU
2016 Mar 10
1
[RFC -next 2/2] virtio_net: Read and use the advised MTU
...>has_cvq = true; > > + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { > + vi->negotiated_mtu = true; > + dev->mtu = virtio_cread16(vdev, > + offsetof(struct virtio_net_config, > + mtu)); > + } > + > if (vi->any_header_sg) > dev->needed_headroom = vi->hdr_len; > > @@ -2017,8 +2029,9 @@ static unsigned int features[] = { > VIRTIO_NET_F_MRG_RXBUF, VIRTIO_NET_F_STATUS, VIRTIO_NET_F_CTRL_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_ADD...
[PATCH v2 -next] virtio-net: Add initial MTU advice feature
2016 Jun 02
1
[PATCH v2 -next] virtio-net: Add initial MTU advice feature
...t virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { + dev->mtu = virtio_cread16(vdev, + offsetof(struct virtio_net_config, + mtu)); + } + if (vi->any_header_sg) dev->needed_headroom = vi->hdr_len; @@ -2067,6 +2073,7 @@ static unsigned int features[] = { VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, VIRTIO_NET_F_CTRL_MAC_ADDR, VIRTIO_F_ANY_LAYOUT, + VIRTIO_NET_F_MTU, }; static struct virtio_driver virtio_net_driver = { diff --git a/include/uapi/linux/virtio_net.h...
[PATCH v2 -next] virtio-net: Add initial MTU advice feature
2016 Jun 02
1
[PATCH v2 -next] virtio-net: Add initial MTU advice feature
...t virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_NET_F_CTRL_VQ)) vi->has_cvq = true; + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { + dev->mtu = virtio_cread16(vdev, + offsetof(struct virtio_net_config, + mtu)); + } + if (vi->any_header_sg) dev->needed_headroom = vi->hdr_len; @@ -2067,6 +2073,7 @@ static unsigned int features[] = { VIRTIO_NET_F_GUEST_ANNOUNCE, VIRTIO_NET_F_MQ, VIRTIO_NET_F_CTRL_MAC_ADDR, VIRTIO_F_ANY_LAYOUT, + VIRTIO_NET_F_MTU, }; static struct virtio_driver virtio_net_driver = { diff --git a/include/uapi/linux/virtio_net.h...