Commit 3d0ba8c0 authored by Richard Cochran's avatar Richard Cochran Committed by David S. Miller

net: packet: Hook into time based transmission.

For raw layer-2 packets, copy the desired future transmit time from
the CMSG cookie into the skb.
Signed-off-by: default avatarRichard Cochran <rcochran@linutronix.de>
Signed-off-by: default avatarJesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a818f75e
...@@ -1951,6 +1951,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg, ...@@ -1951,6 +1951,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,
goto out_unlock; goto out_unlock;
} }
sockc.transmit_time = 0;
sockc.tsflags = sk->sk_tsflags; sockc.tsflags = sk->sk_tsflags;
if (msg->msg_controllen) { if (msg->msg_controllen) {
err = sock_cmsg_send(sk, msg, &sockc); err = sock_cmsg_send(sk, msg, &sockc);
...@@ -1962,6 +1963,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg, ...@@ -1962,6 +1963,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,
skb->dev = dev; skb->dev = dev;
skb->priority = sk->sk_priority; skb->priority = sk->sk_priority;
skb->mark = sk->sk_mark; skb->mark = sk->sk_mark;
skb->tstamp = sockc.transmit_time;
sock_tx_timestamp(sk, sockc.tsflags, &skb_shinfo(skb)->tx_flags); sock_tx_timestamp(sk, sockc.tsflags, &skb_shinfo(skb)->tx_flags);
...@@ -2457,6 +2459,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb, ...@@ -2457,6 +2459,7 @@ static int tpacket_fill_skb(struct packet_sock *po, struct sk_buff *skb,
skb->dev = dev; skb->dev = dev;
skb->priority = po->sk.sk_priority; skb->priority = po->sk.sk_priority;
skb->mark = po->sk.sk_mark; skb->mark = po->sk.sk_mark;
skb->tstamp = sockc->transmit_time;
sock_tx_timestamp(&po->sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags); sock_tx_timestamp(&po->sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags);
skb_shinfo(skb)->destructor_arg = ph.raw; skb_shinfo(skb)->destructor_arg = ph.raw;
...@@ -2633,6 +2636,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg) ...@@ -2633,6 +2636,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
if (unlikely(!(dev->flags & IFF_UP))) if (unlikely(!(dev->flags & IFF_UP)))
goto out_put; goto out_put;
sockc.transmit_time = 0;
sockc.tsflags = po->sk.sk_tsflags; sockc.tsflags = po->sk.sk_tsflags;
if (msg->msg_controllen) { if (msg->msg_controllen) {
err = sock_cmsg_send(&po->sk, msg, &sockc); err = sock_cmsg_send(&po->sk, msg, &sockc);
...@@ -2829,6 +2833,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) ...@@ -2829,6 +2833,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
if (unlikely(!(dev->flags & IFF_UP))) if (unlikely(!(dev->flags & IFF_UP)))
goto out_unlock; goto out_unlock;
sockc.transmit_time = 0;
sockc.tsflags = sk->sk_tsflags; sockc.tsflags = sk->sk_tsflags;
sockc.mark = sk->sk_mark; sockc.mark = sk->sk_mark;
if (msg->msg_controllen) { if (msg->msg_controllen) {
...@@ -2903,6 +2908,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len) ...@@ -2903,6 +2908,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
skb->dev = dev; skb->dev = dev;
skb->priority = sk->sk_priority; skb->priority = sk->sk_priority;
skb->mark = sockc.mark; skb->mark = sockc.mark;
skb->tstamp = sockc.transmit_time;
if (has_vnet_hdr) { if (has_vnet_hdr) {
err = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le()); err = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le());
......
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