[NET]: Introduce SIOCGSTAMPNS ioctl to get timestamps with nanosec resolution

Now network timestamps use ktime_t infrastructure, we can add a new
ioctl() SIOCGSTAMPNS command to get timestamps in 'struct timespec'.
User programs can thus access to nanosecond resolution.

Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
CC: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 8b1c5d8bf4effc57a2d54e40e54bea5081f9f18d..c68b055fa26e718824725bb961dd4a587f9a226d 100644 (file)
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -266,6 +266,23 @@ static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
        return err;
 }
 
+static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
+{
+       struct compat_timespec __user *up = compat_ptr(arg);
+       struct timespec kts;
+       mm_segment_t old_fs = get_fs();
+       int err;
+
+       set_fs(KERNEL_DS);
+       err = sys_ioctl(fd, cmd, (unsigned long)&kts);
+       set_fs(old_fs);
+       if (!err) {
+               err = put_user(kts.tv_sec, &up->tv_sec);
+               err |= __put_user(kts.tv_nsec, &up->tv_nsec);
+       }
+       return err;
+}
+
 struct ifmap32 {
        compat_ulong_t mem_start;
        compat_ulong_t mem_end;
@@ -2437,6 +2454,7 @@ HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
 /* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
 HANDLE_IOCTL(SIOCRTMSG, ret_einval)
 HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
+HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
 #endif
 #ifdef CONFIG_BLOCK
 HANDLE_IOCTL(HDIO_GETGEO, hdio_getgeo)

diff --git a/include/asm-alpha/sockios.h b/include/asm-alpha/sockios.h
index e4961a740e5f9d31fc272af3df9372fcc81eac62..7932c7ab4a4d4d0ae3b7243e1558283b415d1aba 100644 (file)
--- a/include/asm-alpha/sockios.h
+++ b/include/asm-alpha/sockios.h
@@ -10,6 +10,7 @@
 #define SIOCSPGRP      _IOW('s', 8, pid_t)
 #define SIOCGPGRP      _IOR('s', 9, pid_t)
 
-#define SIOCGSTAMP     0x8906          /* Get stamp - linux-specific */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* _ASM_ALPHA_SOCKIOS_H */

diff --git a/include/asm-arm/sockios.h b/include/asm-arm/sockios.h
index 77c34087d513d00d9ced5cb380235c85502ff50a..a2588a2512dfc76aee67f9b9e27b0b07cf4525f9 100644 (file)
--- a/include/asm-arm/sockios.h
+++ b/include/asm-arm/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-arm26/sockios.h b/include/asm-arm26/sockios.h
index 77c34087d513d00d9ced5cb380235c85502ff50a..a2588a2512dfc76aee67f9b9e27b0b07cf4525f9 100644 (file)
--- a/include/asm-arm26/sockios.h
+++ b/include/asm-arm26/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-avr32/sockios.h b/include/asm-avr32/sockios.h
index 84f3d65b3b3b67be5d0e47edbdc3ced2be26d912..0802d742f97d79138bbc5b4400f2fe1c145dece5 100644 (file)
--- a/include/asm-avr32/sockios.h
+++ b/include/asm-avr32/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* __ASM_AVR32_SOCKIOS_H */

diff --git a/include/asm-cris/sockios.h b/include/asm-cris/sockios.h
index 6c4012f0b29fa976151204efc1918135b132ac2c..cfe7bfecf5999e7a451cd941e3a848259b0db185 100644 (file)
--- a/include/asm-cris/sockios.h
+++ b/include/asm-cris/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-frv/sockios.h b/include/asm-frv/sockios.h
index 8a6e4b2074b7227da5604e360c1e7324c32599d7..5dbdd13e6de344f32dbe68ef3f93479854bcb061 100644 (file)
--- a/include/asm-frv/sockios.h
+++ b/include/asm-frv/sockios.h
@@ -7,7 +7,8 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* _ASM_SOCKIOS__ */
 

diff --git a/include/asm-h8300/sockios.h b/include/asm-h8300/sockios.h
index d005d9594cc60217dae7063c66247ccae910758f..e9c7ec810c23d7e293aa0401a25870717778e871 100644 (file)
--- a/include/asm-h8300/sockios.h
+++ b/include/asm-h8300/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* __ARCH_H8300_SOCKIOS__ */

diff --git a/include/asm-i386/sockios.h b/include/asm-i386/sockios.h
index 6b747f8e228bb820e859113b9f0e62bf83c61c01..ff528c7d255c393d06af6749a0580a43857d3d5d 100644 (file)
--- a/include/asm-i386/sockios.h
+++ b/include/asm-i386/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-ia64/sockios.h b/include/asm-ia64/sockios.h
index cf94857c8a5475bff63de6f77a54013b10a0e33a..15c92468ad38e28bb3913129e50db4540153fe7c 100644 (file)
--- a/include/asm-ia64/sockios.h
+++ b/include/asm-ia64/sockios.h
@@ -14,6 +14,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* _ASM_IA64_SOCKIOS_H */

diff --git a/include/asm-m32r/sockios.h b/include/asm-m32r/sockios.h
index f89962e231fedf296af9c4d3e76c55dc47f1da13..6c1fb9b43bdb1fb928d5c14fc10f7e97e5c51e48 100644 (file)
--- a/include/asm-m32r/sockios.h
+++ b/include/asm-m32r/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif  /* _ASM_M32R_SOCKIOS_H */

diff --git a/include/asm-m68k/sockios.h b/include/asm-m68k/sockios.h
index 9b9ed973c24eca0d686fb81a0bf4b6ae95755fc3..c04a23943cb7790d00fcb1e6747db1cece7f9685 100644 (file)
--- a/include/asm-m68k/sockios.h
+++ b/include/asm-m68k/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* __ARCH_M68K_SOCKIOS__ */

diff --git a/include/asm-mips/sockios.h b/include/asm-mips/sockios.h
index 87a50bf039ed8895fc85f01e8bf0d47ff58eb09d..ed1a5f78d22f401b58cfd303ea322b7e54d706e4 100644 (file)
--- a/include/asm-mips/sockios.h
+++ b/include/asm-mips/sockios.h
@@ -20,6 +20,7 @@
 #define SIOCSPGRP      _IOW('s', 8, pid_t)
 #define SIOCGPGRP      _IOR('s', 9, pid_t)
 
-#define SIOCGSTAMP     0x8906                  /* Get stamp - linux-specific */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* _ASM_SOCKIOS_H */

diff --git a/include/asm-parisc/sockios.h b/include/asm-parisc/sockios.h
index aace496299497d6fe9a648ab9b42e4ccf5459077..dabfbc7483f679eb12063b92d5c10594eda91fb8 100644 (file)
--- a/include/asm-parisc/sockios.h
+++ b/include/asm-parisc/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-powerpc/sockios.h b/include/asm-powerpc/sockios.h
index 590078d8ed28da51c46bcfbfbd03fc87b2962b3a..55cef7675a31c29210c3d36221f8c8c424cddac9 100644 (file)
--- a/include/asm-powerpc/sockios.h
+++ b/include/asm-powerpc/sockios.h
@@ -14,6 +14,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* _ASM_POWERPC_SOCKIOS_H */

diff --git a/include/asm-s390/sockios.h b/include/asm-s390/sockios.h
index 412aeb4dd6cea415c23ed42bfbf34015a3c05294..f4fc16c7da59bec02b26d9c9b0ab630cfda57adb 100644 (file)
--- a/include/asm-s390/sockios.h
+++ b/include/asm-s390/sockios.h
@@ -15,6 +15,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-sh/sockios.h b/include/asm-sh/sockios.h
index 08a71df8a8beb9155680baca3dc3dedc086a833d..cf8b96b1f9abbf7be1e56ab6275364c2d708fff8 100644 (file)
--- a/include/asm-sh/sockios.h
+++ b/include/asm-sh/sockios.h
@@ -9,5 +9,6 @@
 #define SIOCSPGRP      _IOW('s', 8, pid_t)
 #define SIOCGPGRP      _IOR('s', 9, pid_t)
 
-#define SIOCGSTAMP     _IOR('s', 100, struct timeval) /* Get stamp - linux-specific */
+#define SIOCGSTAMP     _IOR('s', 100, struct timeval) /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   _IOR('s', 101, struct timespec) /* Get stamp (timespec) */
 #endif /* __ASM_SH_SOCKIOS_H */

diff --git a/include/asm-sh64/sockios.h b/include/asm-sh64/sockios.h
index 1ae23ae8297740f8f1b6e9da2f56dade21821033..419e76f12f41c2bc4b6e1014d54c8d4687647d82 100644 (file)
--- a/include/asm-sh64/sockios.h
+++ b/include/asm-sh64/sockios.h
@@ -20,5 +20,6 @@
 #define SIOCSPGRP      _IOW('s', 8, pid_t)
 #define SIOCGPGRP      _IOR('s', 9, pid_t)
 
-#define SIOCGSTAMP     _IOR('s', 100, struct timeval) /* Get stamp - linux-specific */
+#define SIOCGSTAMP     _IOR('s', 100, struct timeval) /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   _IOR('s', 101, struct timespec) /* Get stamp (timespec) */
 #endif /* __ASM_SH64_SOCKIOS_H */

diff --git a/include/asm-sparc/sockios.h b/include/asm-sparc/sockios.h
index 0c01b597b06f5f47922ec595aa9d1c50fc6f0831..990ea746486b181c12a784cdc837a90e258a5c01 100644 (file)
--- a/include/asm-sparc/sockios.h
+++ b/include/asm-sparc/sockios.h
@@ -7,7 +7,8 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* !(_ASM_SPARC_SOCKIOS_H) */
 

diff --git a/include/asm-sparc64/sockios.h b/include/asm-sparc64/sockios.h
index 6735bab4f39dd4be9259c890b562c0cf7ca11d66..c7d9900638d0da5ffd762a46f88a2c130e201a26 100644 (file)
--- a/include/asm-sparc64/sockios.h
+++ b/include/asm-sparc64/sockios.h
@@ -7,7 +7,8 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* !(_ASM_SPARC64_SOCKIOS_H) */
 

diff --git a/include/asm-v850/sockios.h b/include/asm-v850/sockios.h
index cf4874c2fd8ae13e91d62609153b60bce864251e..823e106e6cd04d590093b30be6ad37031c93ffc6 100644 (file)
--- a/include/asm-v850/sockios.h
+++ b/include/asm-v850/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* __V850_SOCKIOS_H__ */

diff --git a/include/asm-x86_64/sockios.h b/include/asm-x86_64/sockios.h
index 2eefd10d4f48110cf80026321a38611d959203b0..d726ba2513e3e4d032fc1499ad1428f625b212f3 100644 (file)
--- a/include/asm-x86_64/sockios.h
+++ b/include/asm-x86_64/sockios.h
@@ -7,6 +7,7 @@
 #define FIOGETOWN      0x8903
 #define SIOCGPGRP      0x8904
 #define SIOCATMARK     0x8905
-#define SIOCGSTAMP     0x8906          /* Get stamp */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif

diff --git a/include/asm-xtensa/sockios.h b/include/asm-xtensa/sockios.h
index 20d2ba10ecd14c3144612fd46c1e1f105fdc59bf..efe0af379f0146be384f6e8787f78fffe3af06b6 100644 (file)
--- a/include/asm-xtensa/sockios.h
+++ b/include/asm-xtensa/sockios.h
@@ -25,6 +25,7 @@
 #define SIOCSPGRP      _IOW('s', 8, pid_t)
 #define SIOCGPGRP      _IOR('s', 9, pid_t)
 
-#define SIOCGSTAMP     0x8906          /* Get stamp - linux-specific */
+#define SIOCGSTAMP     0x8906          /* Get stamp (timeval) */
+#define SIOCGSTAMPNS   0x8907          /* Get stamp (timespec) */
 
 #endif /* _XTENSA_SOCKIOS_H */

diff --git a/include/net/compat.h b/include/net/compat.h
index 9859b60280d5631571cdbebdf611c28c8e283b48..406db242f73a6d8a4fecdaeff456fa08cccad26d 100644 (file)
--- a/include/net/compat.h
+++ b/include/net/compat.h
@@ -25,6 +25,7 @@ struct compat_cmsghdr {
 };
 
 extern int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
+extern int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
 
 #else /* defined(CONFIG_COMPAT) */
 #define compat_msghdr  msghdr          /* to avoid compiler warnings */

diff --git a/include/net/sock.h b/include/net/sock.h
index 2974bacc8850805f5254b16b265c6e9de8046e48..d093e49fdc857e9e3751a04bab800f6fb907f2ca 100644 (file)
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1329,6 +1329,7 @@ static inline void sk_eat_skb(struct sock *sk, struct sk_buff *skb, int copied_e
 
 extern void sock_enable_timestamp(struct sock *sk);
 extern int sock_get_timestamp(struct sock *, struct timeval __user *);
+extern int sock_get_timestampns(struct sock *, struct timespec __user *);
 
 /* 
  *     Enable debug/info messages 

diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index c8b7dc2c3257f6ac9d936eabf8a4f75ba660b1c4..32b82705b685025f678198eedf6072492a7df5e0 100644 (file)
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1771,6 +1771,9 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                case SIOCGSTAMP:
                        rc = sock_get_timestamp(sk, argp);
                        break;
+               case SIOCGSTAMPNS:
+                       rc = sock_get_timestampns(sk, argp);
+                       break;
                /* Routing */
                case SIOCADDRT:
                case SIOCDELRT:

diff --git a/net/atm/ioctl.c b/net/atm/ioctl.c
index 8ccee4591f65f5571f4cfd8de770a0afd3e799f9..7afd8e7754fd147dfa213dbd03f6fdab8ef9d97a 100644 (file)
--- a/net/atm/ioctl.c
+++ b/net/atm/ioctl.c
@@ -82,6 +82,9 @@ int vcc_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                case SIOCGSTAMP: /* borrowed from IP */
                        error = sock_get_timestamp(sk, argp);
                        goto done;
+               case SIOCGSTAMPNS: /* borrowed from IP */
+                       error = sock_get_timestampns(sk, argp);
+                       goto done;
                case ATM_SETSC:
                        printk(KERN_WARNING "ATM_SETSC is obsolete\n");
                        error = 0;

diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
index 1c07c6a50eb82eff90cfa88a209a979ce63307e8..62605dc5a2c8a7210e1cb23c248b74c2629c313d 100644 (file)
--- a/net/ax25/af_ax25.c
+++ b/net/ax25/af_ax25.c
@@ -1711,6 +1711,10 @@ static int ax25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                res = sock_get_timestamp(sk, argp);
                break;
 
+       case SIOCGSTAMPNS:
+               res = sock_get_timestampns(sk, argp);
+               break;
+
        case SIOCAX25ADDUID:    /* Add a uid to the uid/call map table */
        case SIOCAX25DELUID:    /* Delete a uid from the uid/call map table */
        case SIOCAX25GETUID: {

diff --git a/net/compat.c b/net/compat.c
index 17c2710b2b9386760d2adf3749511aa131e541f0..2fc6d9bb622bb962d4c4ae7b5247dd240b21e3c6 100644 (file)
--- a/net/compat.c
+++ b/net/compat.c
@@ -564,6 +564,30 @@ int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
 }
 EXPORT_SYMBOL(compat_sock_get_timestamp);
 
+int compat_sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp)
+{
+       struct compat_timespec __user *ctv =
+                       (struct compat_timespec __user*) userstamp;
+       int err = -ENOENT;
+       struct timespec ts;
+
+       if (!sock_flag(sk, SOCK_TIMESTAMP))
+               sock_enable_timestamp(sk);
+       ts = ktime_to_timespec(sk->sk_stamp);
+       if (ts.tv_sec == -1)
+               return err;
+       if (ts.tv_sec == 0) {
+               sk->sk_stamp = ktime_get_real();
+               ts = ktime_to_timespec(sk->sk_stamp);
+       }
+       err = 0;
+       if (put_user(ts.tv_sec, &ctv->tv_sec) ||
+                       put_user(ts.tv_nsec, &ctv->tv_nsec))
+               err = -EFAULT;
+       return err;
+}
+EXPORT_SYMBOL(compat_sock_get_timestampns);
+
 asmlinkage long compat_sys_getsockopt(int fd, int level, int optname,
                                char __user *optval, int __user *optlen)
 {

diff --git a/net/core/sock.c b/net/core/sock.c
index 6ddb3664b9937f0db6886bd32d11128389eead6c..cb48fa0e12497c076afb71c806b32833683ced5b 100644 (file)
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -1567,6 +1567,22 @@ int sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
 }
 EXPORT_SYMBOL(sock_get_timestamp);
 
+int sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp)
+{
+       struct timespec ts;
+       if (!sock_flag(sk, SOCK_TIMESTAMP))
+               sock_enable_timestamp(sk);
+       ts = ktime_to_timespec(sk->sk_stamp);
+       if (ts.tv_sec == -1)
+               return -ENOENT;
+       if (ts.tv_sec == 0) {
+               sk->sk_stamp = ktime_get_real();
+               ts = ktime_to_timespec(sk->sk_stamp);
+       }
+       return copy_to_user(userstamp, &ts, sizeof(ts)) ? -EFAULT : 0;
+}
+EXPORT_SYMBOL(sock_get_timestampns);
+
 void sock_enable_timestamp(struct sock *sk)
 {
        if (!sock_flag(sk, SOCK_TIMESTAMP)) {

diff --git a/net/econet/af_econet.c b/net/econet/af_econet.c
index f573eddc6034b24c115c014d5dd287a5b8513027..487f879f5a195c71895293d619f13087687a19ed 100644 (file)
--- a/net/econet/af_econet.c
+++ b/net/econet/af_econet.c
@@ -727,6 +727,9 @@ static int econet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg
                case SIOCGSTAMP:
                        return sock_get_timestamp(sk, argp);
 
+               case SIOCGSTAMPNS:
+                       return sock_get_timestampns(sk, argp);
+
                case SIOCSIFADDR:
                case SIOCGIFADDR:
                        return ec_dev_ioctl(sock, cmd, argp);

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index cf358c84c44060353b69b5ef26129f8a9cb2a266..df41856fc603b42438a30c51e2235caa4a64bc08 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -755,6 +755,9 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                case SIOCGSTAMP:
                        err = sock_get_timestamp(sk, (struct timeval __user *)arg);
                        break;
+               case SIOCGSTAMPNS:
+                       err = sock_get_timestampns(sk, (struct timespec __user *)arg);
+                       break;
                case SIOCADDRT:
                case SIOCDELRT:
                case SIOCRTMSG:

diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index fed3758181e1a28e4514c8b8f341e446250d3ef7..2ff0704179555a68e037c06351b46e31bf7dcc3f 100644 (file)
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -443,6 +443,9 @@ int inet6_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        case SIOCGSTAMP:
                return sock_get_timestamp(sk, (struct timeval __user *)arg);
 
+       case SIOCGSTAMPNS:
+               return sock_get_timestampns(sk, (struct timespec __user *)arg);
+
        case SIOCADDRT:
        case SIOCDELRT:
 

diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index bf9837dd95c4505642b99f93e9b96403d055685e..a54e7ef2568a47692d6e0cc59ec638d90c04ea0c 100644 (file)
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -1209,6 +1209,12 @@ static int nr_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                release_sock(sk);
                return ret;
 
+       case SIOCGSTAMPNS:
+               lock_sock(sk);
+               ret = sock_get_timestampns(sk, argp);
+               release_sock(sk);
+               return ret;
+
        case SIOCGIFADDR:
        case SIOCSIFADDR:
        case SIOCGIFDSTADDR:

diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index f9866a8456a15bebc574cad09f08b8cd8e2f0d9c..6f8c72d2413b65cad6a7c734737399e3bf3c5620 100644 (file)
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1545,6 +1545,8 @@ static int packet_ioctl(struct socket *sock, unsigned int cmd,
                }
                case SIOCGSTAMP:
                        return sock_get_timestamp(sk, (struct timeval __user *)arg);
+               case SIOCGSTAMPNS:
+                       return sock_get_timestampns(sk, (struct timespec __user *)arg);
 
 #ifdef CONFIG_INET
                case SIOCADDRT:

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index f92d5310847b02454ac8bc583ed80ab17f3d3184..f64be9369ef7bb453ee3a1bdf01b7088679e3ae2 100644 (file)
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1296,6 +1296,9 @@ static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        case SIOCGSTAMP:
                return sock_get_timestamp(sk, (struct timeval __user *) argp);
 
+       case SIOCGSTAMPNS:
+               return sock_get_timestampns(sk, (struct timespec __user *) argp);
+
        case SIOCGIFADDR:
        case SIOCSIFADDR:
        case SIOCGIFDSTADDR:

diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index e62ba41b05c59b06e8889440f079ccbd9f19344b..a198843156226a0c2c4d33b4aac15de584040a62 100644 (file)
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -1280,6 +1280,12 @@ static int x25_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
                                rc = sock_get_timestamp(sk,
                                                (struct timeval __user *)argp);
                        break;
+               case SIOCGSTAMPNS:
+                       rc = -EINVAL;
+                       if (sk)
+                               rc = sock_get_timestampns(sk,
+                                               (struct timespec __user *)argp);
+                       break;
                case SIOCGIFADDR:
                case SIOCSIFADDR:
                case SIOCGIFDSTADDR:
@@ -1521,6 +1527,12 @@ static int compat_x25_ioctl(struct socket *sock, unsigned int cmd,
                        rc = compat_sock_get_timestamp(sk,
                                        (struct timeval __user*)argp);
                break;
+       case SIOCGSTAMPNS:
+               rc = -EINVAL;
+               if (sk)
+                       rc = compat_sock_get_timestampns(sk,
+                                       (struct timespec __user*)argp);
+               break;
        case SIOCGIFADDR:
        case SIOCSIFADDR:
        case SIOCGIFDSTADDR: