search for: skbtx_shared_frag

...py skb_ubuf_info for callback when skb has no error */ > if (zerocopy) { > - skb_shinfo(skb)->destructor_arg = m->msg_control; > + skb_shinfo(skb)->destructor_arg = msg_control; > skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; > skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; > - } else if (m && m->msg_control) { > - struct ubuf_info *uarg = m->msg_control; > + } else if (msg_control) { > + struct ubuf_info *uarg = msg_control; > uarg->callback(uarg, false); > } > > @@ -1150,7 +1150,13 @@ static int tap_sendmsg(struct s...

...); } skb_shinfo(skb)->gso_type = SKB_GSO_UDP; - if (skb->protocol == htons(ETH_P_IPV6)) - ipv6_proxy_select_ident(skb); break; } default: @@ -1221,6 +1216,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; } + skb_reset_network_header(skb); skb_probe_transport_header(skb, 0); rxhash = skb_get_hash(skb); -- 1.9.3

...); } skb_shinfo(skb)->gso_type = SKB_GSO_UDP; - if (skb->protocol == htons(ETH_P_IPV6)) - ipv6_proxy_select_ident(skb); break; } default: @@ -1221,6 +1216,7 @@ static ssize_t tun_get_user(struct tun_struct *tun, struct tun_file *tfile, skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; } + skb_reset_network_header(skb); skb_probe_transport_header(skb, 0); rxhash = skb_get_hash(skb); -- 1.9.3

...rence(q->tap); /* copy skb_ubuf_info for callback when skb has no error */ if (zerocopy) { - skb_shinfo(skb)->destructor_arg = m->msg_control; + skb_shinfo(skb)->destructor_arg = msg_control; skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY; skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; - } else if (m && m->msg_control) { - struct ubuf_info *uarg = m->msg_control; + } else if (msg_control) { + struct ubuf_info *uarg = msg_control; uarg->callback(uarg, false); } @@ -1150,7 +1150,13 @@ static int tap_sendmsg(struct socket *sock, struct msghdr *m,...

...int size = min((unsigned)PAGE_SIZE - offset, *len); - int i = skb_shinfo(skb)->nr_frags; - - __skb_fill_page_desc(skb, i, page, offset, size); - - skb->data_len += size; - skb->len += size; - skb->truesize += PAGE_SIZE; - skb_shinfo(skb)->nr_frags++; - skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; - *len -= size; -} - /* Called from bottom half context */ static struct sk_buff *page_to_skb(struct receive_queue *rq, - struct page *page, unsigned int len) + struct page *page, unsigned int offset, + unsigned int len, unsigned int truesize) { struct virtnet_info *vi = rq-...

...int size = min((unsigned)PAGE_SIZE - offset, *len); - int i = skb_shinfo(skb)->nr_frags; - - __skb_fill_page_desc(skb, i, page, offset, size); - - skb->data_len += size; - skb->len += size; - skb->truesize += PAGE_SIZE; - skb_shinfo(skb)->nr_frags++; - skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; - *len -= size; -} - /* Called from bottom half context */ static struct sk_buff *page_to_skb(struct receive_queue *rq, - struct page *page, unsigned int len) + struct page *page, unsigned int offset, + unsigned int len, unsigned int truesize) { struct virtnet_info *vi = rq-...

...)->nr_frags; > - > - __skb_fill_page_desc(skb, i, page, offset, size); > - > - skb->data_len += size; > - skb->len += size; > - skb->truesize += PAGE_SIZE; > - skb_shinfo(skb)->nr_frags++; > - skb_shinfo(skb)->tx_flags |= SKBTX_SHARED_FRAG; > - *len -= size; > -} > - > /* Called from bottom half context */ > static struct sk_buff *page_to_skb(struct receive_queue *rq, > - struct page *page, unsigned int len) > + struct page *page, unsigned...

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

The virtio net protocol supports UFO but does not provide for passing a fragment ID for fragmentation of IPv6 packets. We used to generate a fragment ID wherever such a packet was fragmented, but currently we always use ID=0! Ben. Ben Hutchings (2): drivers/net: Disable UFO through virtio drivers/net,ipv6: Select IPv6 fragment idents for virtio UFO packets drivers/net/macvtap.c | 16

The virtio net protocol supports UFO but does not provide for passing a fragment ID for fragmentation of IPv6 packets. We used to generate a fragment ID wherever such a packet was fragmented, but currently we always use ID=0! Ben. Ben Hutchings (2): drivers/net: Disable UFO through virtio drivers/net,ipv6: Select IPv6 fragment idents for virtio UFO packets drivers/net/macvtap.c | 16

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

The virtio net protocol supports UFO but does not provide for passing a fragment ID for fragmentation of IPv6 packets. We used to generate a fragment ID wherever such a packet was fragmented, but currently we always use ID=0! v2: Add blank lines after declarations Ben. Ben Hutchings (2): drivers/net: Disable UFO through virtio drivers/net,ipv6: Select IPv6 fragment idents for virtio UFO

The virtio net protocol supports UFO but does not provide for passing a fragment ID for fragmentation of IPv6 packets. We used to generate a fragment ID wherever such a packet was fragmented, but currently we always use ID=0! v2: Add blank lines after declarations Ben. Ben Hutchings (2): drivers/net: Disable UFO through virtio drivers/net,ipv6: Select IPv6 fragment idents for virtio UFO

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

commit 3d0ad09412ffe00c9afa201d01effdb6023d09b4 Author: Ben Hutchings <ben at decadent.org.uk> Date: Thu Oct 30 18:27:12 2014 +0000 drivers/net: Disable UFO through virtio Turned off UFO support to virtio-net based devices due to issues with IPv6 fragment id generation for UFO packets. The issue was that IPv6 UFO/GSO implementation expects the fragment id to be supplied in

Hi all: This series tries to batch submitting packets to underlayer socket through msg_control during sendmsg(). This is done by: 1) Doing userspace copy inside vhost_net 2) Build XDP buff 3) Batch at most 64 (VHOST_NET_BATCH) XDP buffs and submit them once through msg_control during sendmsg(). 4) Underlayer sockets can use XDP buffs directly when XDP is enalbed, or build skb based on XDP