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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

15
include/uapi/asm-generic/socket.h
View File

@@ -3,6 +3,7 @@
#define __ASM_GENERIC_SOCKET_H
#include <asm/sockios.h>
#include <asm/bitsperlong.h>
/* For setsockopt(2) */
#define SOL_SOCKET 1
@@ -109,10 +110,20 @@
#define SO_TIMESTAMPNS_OLD 35
#define SO_TIMESTAMPING_OLD 37
#define SO_TIMESTAMP_NEW 63
#define SO_TIMESTAMPNS_NEW 64
#if !defined(__KERNEL__)
#define SO_TIMESTAMP SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD
#if __BITS_PER_LONG == 64 || (defined(__x86_64__) && defined(__ILP32__))
/* on 64-bit and x32, avoid the ?: operator */
#define SO_TIMESTAMP SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD
#else
#define SO_TIMESTAMP (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMP_OLD : SO_TIMESTAMP_NEW)
#define SO_TIMESTAMPNS (sizeof(time_t) == sizeof(__kernel_long_t) ? SO_TIMESTAMPNS_OLD : SO_TIMESTAMPNS_NEW)
#endif
#define SO_TIMESTAMPING SO_TIMESTAMPING_OLD
#define SCM_TIMESTAMP SO_TIMESTAMP