From: Willem de Bruijn <willemdebruijn.kernel@gmail.com>
To: Deepa Dinamani <deepa.kernel@gmail.com>
Cc: David Miller <davem@davemloft.net>,
LKML <linux-kernel@vger.kernel.org>,
Network Development <netdev@vger.kernel.org>,
Arnd Bergmann <arnd@arndb.de>,
y2038 Mailman List <y2038@lists.linaro.org>,
"James E.J. Bottomley" <jejb@parisc-linux.org>,
Ralf Baechle <ralf@linux-mips.org>,
rth@twiddle.net, linux-alpha@vger.kernel.org,
"open list:RALINK MIPS ARCHITECTURE" <linux-mips@linux-mips.org>,
Parisc List <linux-parisc@vger.kernel.org>,
linux-rdma@vger.kernel.org,
sparclinux <sparclinux@vger.kernel.org>
Subject: Re: [PATCH v3 6/8] socket: Add SO_TIMESTAMP[NS]_NEW
Date: Tue, 8 Jan 2019 08:46:13 -0500 [thread overview]
Message-ID: <CAF=yD-LDd0jOgFPQWNSw_h7vMJ+tMB+G+ZS67ZZFKOJc4oFFrQ@mail.gmail.com> (raw)
In-Reply-To: <20190108032657.8331-7-deepa.kernel@gmail.com>
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.
next prev parent reply other threads:[~2019-01-08 13:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-08 3:26 [PATCH v3 0/8] net: y2038-safe socket timestamps Deepa Dinamani
2019-01-08 3:26 ` [PATCH v3 2/8] sockopt: Rename SO_TIMESTAMP* to SO_TIMESTAMP*_OLD Deepa Dinamani
2019-01-08 3:26 ` [PATCH v3 6/8] socket: Add SO_TIMESTAMP[NS]_NEW Deepa Dinamani
2019-01-08 13:46 ` Willem de Bruijn [this message]
2019-01-08 14:03 ` Willem de Bruijn
2019-01-08 13:37 ` [PATCH v3 0/8] net: y2038-safe socket timestamps Willem de Bruijn
2019-01-08 13:53 ` Willem de Bruijn
2019-01-08 21:49 ` David Miller
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