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-rw-r--r--net/core/sock.c51
1 files changed, 28 insertions, 23 deletions
diff --git a/net/core/sock.c b/net/core/sock.c
index 067878a1e4c5..443b98d05f1e 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2977,39 +2977,44 @@ bool lock_sock_fast(struct sock *sk)
}
EXPORT_SYMBOL(lock_sock_fast);
-int sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
+int sock_gettstamp(struct socket *sock, void __user *userstamp,
+ bool timeval, bool time32)
{
- struct timeval tv;
+ struct sock *sk = sock->sk;
+ struct timespec64 ts;
sock_enable_timestamp(sk, SOCK_TIMESTAMP);
- tv = ktime_to_timeval(sock_read_timestamp(sk));
- if (tv.tv_sec == -1)
+ ts = ktime_to_timespec64(sock_read_timestamp(sk));
+ if (ts.tv_sec == -1)
return -ENOENT;
- if (tv.tv_sec == 0) {
+ if (ts.tv_sec == 0) {
ktime_t kt = ktime_get_real();
- sock_write_timestamp(sk, kt);
- tv = ktime_to_timeval(kt);
+ sock_write_timestamp(sk, kt);;
+ ts = ktime_to_timespec64(kt);
}
- return copy_to_user(userstamp, &tv, sizeof(tv)) ? -EFAULT : 0;
-}
-EXPORT_SYMBOL(sock_get_timestamp);
-int sock_get_timestampns(struct sock *sk, struct timespec __user *userstamp)
-{
- struct timespec ts;
+ if (timeval)
+ ts.tv_nsec /= 1000;
- sock_enable_timestamp(sk, SOCK_TIMESTAMP);
- ts = ktime_to_timespec(sock_read_timestamp(sk));
- if (ts.tv_sec == -1)
- return -ENOENT;
- if (ts.tv_sec == 0) {
- ktime_t kt = ktime_get_real();
- sock_write_timestamp(sk, kt);
- ts = ktime_to_timespec(sk->sk_stamp);
+#ifdef CONFIG_COMPAT_32BIT_TIME
+ if (time32)
+ return put_old_timespec32(&ts, userstamp);
+#endif
+#ifdef CONFIG_SPARC64
+ /* beware of padding in sparc64 timeval */
+ if (timeval && !in_compat_syscall()) {
+ struct __kernel_old_timeval __user tv = {
+ .tv_sec = ts.tv_sec;
+ .tv_usec = ts.tv_nsec;
+ };
+ if (copy_to_user(userstamp, &tv, sizeof(tv))
+ return -EFAULT;
+ return 0;
}
- return copy_to_user(userstamp, &ts, sizeof(ts)) ? -EFAULT : 0;
+#endif
+ return put_timespec64(&ts, userstamp);
}
-EXPORT_SYMBOL(sock_get_timestampns);
+EXPORT_SYMBOL(sock_gettstamp);
void sock_enable_timestamp(struct sock *sk, int flag)
{