Commit 887feae3 authored by Deepa Dinamani's avatar Deepa Dinamani Committed by David S. Miller
Browse files

socket: Add SO_TIMESTAMP[NS]_NEW 



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: default avatarDeepa Dinamani <deepa.kernel@gmail.com>
Acked-by: default avatarWillem 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: default avatarDavid S. Miller <davem@davemloft.net>
parent 98bb03c8

arch/alpha/include/uapi/asm/socket.h

+12 −2
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
#define _UAPI_ASM_SOCKET_H



#include <asm/sockios.h>

#include <asm/bitsperlong.h>



/* For setsockopt(2) */

/*
@@ -114,10 +115,19 @@ 
#define SO_TIMESTAMPNS_OLD      35

#define SO_TIMESTAMPING_OLD     37



#define SO_TIMESTAMP_NEW        63

#define SO_TIMESTAMPNS_NEW      64



#if !defined(__KERNEL__)



#if __BITS_PER_LONG == 64

#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

arch/mips/include/uapi/asm/socket.h

+12 −2
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#define _UAPI_ASM_SOCKET_H



#include <asm/sockios.h>

#include <asm/bitsperlong.h>



/*

 * For setsockopt(2)
@@ -125,10 +126,19 @@ 
#define SO_TIMESTAMPNS_OLD      35

#define SO_TIMESTAMPING_OLD     37



#define SO_TIMESTAMP_NEW        63

#define SO_TIMESTAMPNS_NEW      64



#if !defined(__KERNEL__)



#if __BITS_PER_LONG == 64

#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

arch/parisc/include/uapi/asm/socket.h

+12 −2
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
#define _UAPI_ASM_SOCKET_H



#include <asm/sockios.h>

#include <asm/bitsperlong.h>



/* For setsockopt(2) */

#define SOL_SOCKET	0xffff
@@ -106,10 +107,19 @@ 
#define SO_TIMESTAMPNS_OLD      0x4013

#define SO_TIMESTAMPING_OLD     0x4020



#define SO_TIMESTAMP_NEW        0x4038

#define SO_TIMESTAMPNS_NEW      0x4039



#if !defined(__KERNEL__)



#if __BITS_PER_LONG == 64

#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

arch/sparc/include/uapi/asm/socket.h

+12 −2
Original line number Diff line number Diff line
@@ -3,6 +3,7 @@ 
#define _ASM_SOCKET_H



#include <asm/sockios.h>

#include <asm/bitsperlong.h>



/* For setsockopt(2) */

#define SOL_SOCKET	0xffff
@@ -107,10 +108,19 @@ 
#define SO_TIMESTAMPNS_OLD       0x0021

#define SO_TIMESTAMPING_OLD      0x0023



#define SO_TIMESTAMP_NEW         0x0041

#define SO_TIMESTAMPNS_NEW       0x0042



#if !defined(__KERNEL__)



#if __BITS_PER_LONG == 64

#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

include/linux/skbuff.h

+18 −0
Original line number Diff line number Diff line
@@ -3498,12 +3498,30 @@ static inline void skb_get_timestamp(const struct sk_buff *skb, 
	*stamp = ns_to_kernel_old_timeval(skb->tstamp);

}



static inline void skb_get_new_timestamp(const struct sk_buff *skb,

					 struct __kernel_sock_timeval *stamp)

{

	struct timespec64 ts = ktime_to_timespec64(skb->tstamp);



	stamp->tv_sec = ts.tv_sec;

	stamp->tv_usec = ts.tv_nsec / 1000;

}



static inline void skb_get_timestampns(const struct sk_buff *skb,

				       struct timespec *stamp)

{

	*stamp = ktime_to_timespec(skb->tstamp);

}



static inline void skb_get_new_timestampns(const struct sk_buff *skb,

					   struct __kernel_timespec *stamp)

{

	struct timespec64 ts = ktime_to_timespec64(skb->tstamp);



	stamp->tv_sec = ts.tv_sec;

	stamp->tv_nsec = ts.tv_nsec;

}



static inline void __net_timestamp(struct sk_buff *skb)

{

	skb->tstamp = ktime_get_real();

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