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socket: Add SO_TIMESTAMP[NS]_NEW

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Add SO_TIMESTAMP_NEW and SO_TIMESTAMPNS_NEW variants of
socket timestamp options.
These are the y2038 safe versions of the SO_TIMESTAMP_OLD
and SO_TIMESTAMPNS_OLD for all architectures.

Note that the format of scm_timestamping.ts[0] is not changed
in this patch.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Cc: jejb@parisc-linux.org
Cc: ralf@linux-mips.org
Cc: rth@twiddle.net
Cc: linux-alpha@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-parisc@vger.kernel.org
Cc: linux-rdma@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: sparclinux@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Deepa Dinamani
2019-02-02 07:34:50 -08:00
committed by David S. Miller
parent 98bb03c865
commit 887feae36a
12 changed files with 171 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
net/rds/recv.c
View File

@@ -550,8 +550,20 @@ static int rds_cmsg_recv(struct rds_incoming *inc, struct msghdr *msg,
if ((inc->i_rx_tstamp != 0) &&
sock_flag(rds_rs_to_sk(rs), SOCK_RCVTSTAMP)) {
struct __kernel_old_timeval tv = ns_to_kernel_old_timeval(inc->i_rx_tstamp);
ret = put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMP_OLD,
sizeof(tv), &tv);
if (!sock_flag(rds_rs_to_sk(rs), SOCK_TSTAMP_NEW)) {
ret = put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMP_OLD,
sizeof(tv), &tv);
} else {
struct __kernel_sock_timeval sk_tv;
sk_tv.tv_sec = tv.tv_sec;
sk_tv.tv_usec = tv.tv_usec;
ret = put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMP_NEW,
sizeof(sk_tv), &sk_tv);
}
if (ret)
goto out;
}