On Mon, Jan 7, 2019 at 10:29 PM Deepa Dinamani deepa.kernel@gmail.com wrote:
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 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
diff --git a/arch/alpha/include/uapi/asm/socket.h b/arch/alpha/include/uapi/asm/socket.h index 00e45c80e574..352e3dc0b3d9 100644 --- a/arch/alpha/include/uapi/asm/socket.h +++ b/arch/alpha/include/uapi/asm/socket.h @@ -3,6 +3,7 @@ #define _UAPI_ASM_SOCKET_H
#include <asm/sockios.h> +#include <asm/bitsperlong.h>
/* For setsockopt(2) */ /* @@ -110,12 +111,22 @@
#define SO_TIMESTAMP_OLD 29 #define SO_TIMESTAMPNS_OLD 35
nit: unnecessary whitespace line
@@ -1864,20 +1864,39 @@ static void tcp_update_recv_tstamps(struct sk_buff *skb, static void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk, struct scm_timestamping *tss) {
struct __kernel_old_timeval tv; bool has_timestamping = false;
int new_tstamp = sock_flag(sk, SOCK_TSTAMP_NEW); if (tss->ts[0].tv_sec || tss->ts[0].tv_nsec) { if (sock_flag(sk, SOCK_RCVTSTAMP)) { if (sock_flag(sk, SOCK_RCVTSTAMPNS)) {
put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMPNS_OLD,sizeof(tss->ts[0]), &tss->ts[0]);} else {tv.tv_sec = tss->ts[0].tv_sec;tv.tv_usec = tss->ts[0].tv_nsec / 1000;
if (new_tstamp) {struct __kernel_timespec kts = {tss->ts[0].tv_sec, tss->ts[0].tv_nsec};put_cmsg(msg, SOL_SOCKET, SO_TIMESTAMPNS_NEW,sizeof(kts), &kts);} else {struct timespec ts_old = tss->ts[0];
nit: intermediate variable not needed as tss->ts[0] is also of type struct timespec.