Commit 3f66116e authored by Alban Crequy's avatar Alban Crequy Committed by David S. Miller

AF_UNIX: Implement SO_TIMESTAMP and SO_TIMETAMPNS on Unix sockets

Userspace applications can already request to receive timestamps with:
setsockopt(sockfd, SOL_SOCKET, SO_TIMESTAMP, ...)

Although setsockopt() returns zero (success), timestamps are not added to the
ancillary data. This patch fixes that on SOCK_DGRAM and SOCK_SEQPACKET Unix
Signed-off-by: default avatarAlban Crequy <>
Signed-off-by: default avatarEric Dumazet <>
Signed-off-by: default avatarDavid S. Miller <>
parent d6bf7817
......@@ -1511,6 +1511,8 @@ static int unix_dgram_sendmsg(struct kiocb *kiocb, struct socket *sock,
goto restart;
if (sock_flag(other, SOCK_RCVTSTAMP))
skb_queue_tail(&other->sk_receive_queue, skb);
other->sk_data_ready(other, len);
......@@ -1722,6 +1724,9 @@ static int unix_dgram_recvmsg(struct kiocb *iocb, struct socket *sock,
if (err)
goto out_free;
if (sock_flag(sk, SOCK_RCVTSTAMP))
__sock_recv_timestamp(msg, sk, skb);
if (!siocb->scm) {
siocb->scm = &tmp_scm;
memset(&tmp_scm, 0, sizeof(tmp_scm));
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