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| author |   Deepa Dinamani <deepa.kernel@gmail.com> | 2019-02-02 07:34:50 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2019-02-03 11:17:31 -0800 |
| commit | 887feae36aee6c08e0dafcdaa5ba921abbb2c56b (patch) | |
| tree | 1c34072c8057e8d5babf22242ec8b1a383998ce0 /include | |
| parent | socket: Add struct __kernel_sock_timeval (diff) | |
| download | linux-dev-887feae36aee6c08e0dafcdaa5ba921abbb2c56b.tar.xz linux-dev-887feae36aee6c08e0dafcdaa5ba921abbb2c56b.zip | |
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: 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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/skbuff.h | 18 | ||||
| -rw-r--r-- | include/net/sock.h | 1 | ||||
| -rw-r--r-- | include/uapi/asm-generic/socket.h | 15 |
3 files changed, 32 insertions, 2 deletions
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 4001611a4c9f..831846617d07 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -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(); diff --git a/include/net/sock.h b/include/net/sock.h index 2b229f7be8eb..6679f3c120b0 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -805,6 +805,7 @@ enum sock_flags { SOCK_RCU_FREE, /* wait rcu grace period in sk_destruct() */ SOCK_TXTIME, SOCK_XDP, /* XDP is attached */ + SOCK_TSTAMP_NEW, /* Indicates 64 bit timestamps always */ }; #define SK_FLAGS_TIMESTAMP ((1UL << SOCK_TIMESTAMP) | (1UL << SOCK_TIMESTAMPING_RX_SOFTWARE)) diff --git a/include/uapi/asm-generic/socket.h b/include/uapi/asm-generic/socket.h index 4ef3aed31fb7..f22d3f7162f8 100644 --- a/include/uapi/asm-generic/socket.h +++ b/include/uapi/asm-generic/socket.h @@ -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 |