linux-kernel - [PATCH 4.14 236/284] ipv6: add missing tx timestamping on IPPROTO

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Message-Id: <20220418121218.423694271@linuxfoundation.org>
Date:   Mon, 18 Apr 2022 14:13:37 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Willem de Bruijn <willemb@...gle.com>,
        Soheil Hassas Yeganeh <soheil@...gle.com>,
        "David S. Miller" <davem@...emloft.net>,
        Vladimir Oltean <vladimir.oltean@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 236/284] ipv6: add missing tx timestamping on IPPROTO_RAW

From: Willem de Bruijn <willemb@...gle.com>

[ Upstream commit fbfb2321e950918b430e7225546296b2dcadf725 ]

Raw sockets support tx timestamping, but one case is missing.

IPPROTO_RAW takes a separate packet construction path. raw_send_hdrinc
has an explicit call to sock_tx_timestamp, but rawv6_send_hdrinc does
not. Add it.

Fixes: 11878b40ed5c ("net-timestamp: SOCK_RAW and PING timestamping")
Signed-off-by: Willem de Bruijn <willemb@...gle.com>
Acked-by: Soheil Hassas Yeganeh <soheil@...gle.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/ipv6/raw.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index 3d9d20074203..f0d8b7e9a685 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -622,7 +622,7 @@ static int rawv6_push_pending_frames(struct sock *sk, struct flowi6 *fl6,
 
 static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
 			struct flowi6 *fl6, struct dst_entry **dstp,
-			unsigned int flags)
+			unsigned int flags, const struct sockcm_cookie *sockc)
 {
 	struct ipv6_pinfo *np = inet6_sk(sk);
 	struct net *net = sock_net(sk);
@@ -659,6 +659,8 @@ static int rawv6_send_hdrinc(struct sock *sk, struct msghdr *msg, int length,
 
 	skb->ip_summed = CHECKSUM_NONE;
 
+	sock_tx_timestamp(sk, sockc->tsflags, &skb_shinfo(skb)->tx_flags);
+
 	if (flags & MSG_CONFIRM)
 		skb_set_dst_pending_confirm(skb, 1);
 
@@ -945,7 +947,8 @@ static int rawv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
 
 back_from_confirm:
 	if (hdrincl)
-		err = rawv6_send_hdrinc(sk, msg, len, &fl6, &dst, msg->msg_flags);
+		err = rawv6_send_hdrinc(sk, msg, len, &fl6, &dst,
+					msg->msg_flags, &sockc);
 	else {
 		ipc6.opt = opt;
 		lock_sock(sk);
-- 
2.35.1