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From: Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
To: netdev@vger.kernel.org
Cc: tglx@linutronix.de, jan.altenberg@linutronix.de,
	vinicius.gomes@intel.com, kurt.kanzenbach@linutronix.de,
	henrik@austad.us, richardcochran@gmail.com,
	levi.pearson@harman.com, ilias.apalodimas@linaro.org,
	ivan.khoronzhuk@linaro.org, mlichvar@redhat.com,
	willemb@google.com, jhs@mojatatu.com, xiyou.wangcong@gmail.com,
	jiri@resnulli.us, Richard Cochran <rcochran@linutronix.de>,
	Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
Subject: [PATCH v1 net-next 04/14] net: packet: Hook into time based transmission.
Date: Wed, 27 Jun 2018 14:59:40 -0700	[thread overview]
Message-ID: <20180627215950.6719-5-jesus.sanchez-palencia@intel.com> (raw)
In-Reply-To: <20180627215950.6719-1-jesus.sanchez-palencia@intel.com>

From: Richard Cochran <rcochran@linutronix.de>

For raw layer-2 packets, copy the desired future transmit time from
the CMSG cookie into the skb.

Signed-off-by: Richard Cochran <rcochran@linutronix.de>
Signed-off-by: Jesus Sanchez-Palencia <jesus.sanchez-palencia@intel.com>
---
 net/packet/af_packet.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index ff8e7e245c37..255c0164e0aa 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1951,6 +1951,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,
 		goto out_unlock;
 	}
 
+	sockc.transmit_time = 0;
 	sockc.tsflags = sk->sk_tsflags;
 	if (msg->msg_controllen) {
 		err = sock_cmsg_send(sk, msg, &sockc);
@@ -1962,6 +1963,7 @@ static int packet_sendmsg_spkt(struct socket *sock, struct msghdr *msg,
 	skb->dev = dev;
 	skb->priority = sk->sk_priority;
 	skb->mark = sk->sk_mark;
+	skb->tstamp = sockc.transmit_time;
 
 	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,
 	skb->dev = dev;
 	skb->priority = po->sk.sk_priority;
 	skb->mark = po->sk.sk_mark;
+	skb->tstamp = sockc->transmit_time;
 	sock_tx_timestamp(&po->sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags);
 	skb_shinfo(skb)->destructor_arg = ph.raw;
 
@@ -2633,6 +2636,7 @@ static int tpacket_snd(struct packet_sock *po, struct msghdr *msg)
 	if (unlikely(!(dev->flags & IFF_UP)))
 		goto out_put;
 
+	sockc.transmit_time = 0;
 	sockc.tsflags = po->sk.sk_tsflags;
 	if (msg->msg_controllen) {
 		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)
 	if (unlikely(!(dev->flags & IFF_UP)))
 		goto out_unlock;
 
+	sockc.transmit_time = 0;
 	sockc.tsflags = sk->sk_tsflags;
 	sockc.mark = sk->sk_mark;
 	if (msg->msg_controllen) {
@@ -2903,6 +2908,7 @@ static int packet_snd(struct socket *sock, struct msghdr *msg, size_t len)
 	skb->dev = dev;
 	skb->priority = sk->sk_priority;
 	skb->mark = sockc.mark;
+	skb->tstamp = sockc.transmit_time;
 
 	if (has_vnet_hdr) {
 		err = virtio_net_hdr_to_skb(skb, &vnet_hdr, vio_le());
-- 
2.17.1

  parent reply	other threads:[~2018-06-27 22:04 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-27 21:59 [PATCH v1 net-next 00/14] Scheduled packet Transmission: ETF Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 01/14] net: Clear skb->tstamp only on the forwarding path Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 02/14] net: Add a new socket option for a future transmit time Jesus Sanchez-Palencia
2018-06-27 22:16   ` Eric Dumazet
2018-06-27 23:07     ` Jesus Sanchez-Palencia
2018-06-28  0:05       ` Eric Dumazet
2018-06-28  2:16   ` kbuild test robot
2018-06-28 14:26   ` Willem de Bruijn
2018-06-28 14:40     ` Willem de Bruijn
2018-06-28 18:33       ` Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 03/14] net: ipv4: Hook into time based transmission Jesus Sanchez-Palencia
2018-06-28 14:26   ` Willem de Bruijn
2018-06-27 21:59 ` Jesus Sanchez-Palencia [this message]
2018-06-27 21:59 ` [PATCH v1 net-next 05/14] net/sched: Allow creating a Qdisc watchdog with other clocks Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 06/14] net/sched: Introduce the ETF Qdisc Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 07/14] net/sched: Add HW offloading capability to ETF Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 08/14] igb: Refactor igb_configure_cbs() Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 09/14] igb: Only change Tx arbitration when CBS is on Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 10/14] igb: Refactor igb_offload_cbs() Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 11/14] igb: Add support for ETF offload Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 12/14] igb: Only call skb_tx_timestamp after descriptors are ready Jesus Sanchez-Palencia
2018-06-27 23:56   ` Eric Dumazet
2018-06-28 17:12     ` Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 13/14] net/sched: Enforce usage of CLOCK_TAI for sch_etf Jesus Sanchez-Palencia
2018-06-28 14:26   ` Willem de Bruijn
2018-06-28 17:11     ` Jesus Sanchez-Palencia
2018-06-27 21:59 ` [PATCH v1 net-next 14/14] net/sched: Make etf report drops on error_queue Jesus Sanchez-Palencia
2018-06-28 14:27   ` Willem de Bruijn
2018-06-29 17:48     ` Jesus Sanchez-Palencia
2018-06-29 18:49       ` Willem de Bruijn
2018-06-29 20:14         ` Jesus Sanchez-Palencia

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