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socket: Rename SO_RCVTIMEO/ SO_SNDTIMEO with _OLD suffixes

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SO_RCVTIMEO and SO_SNDTIMEO socket options use struct timeval
as the time format. struct timeval is not y2038 safe.
The subsequent patches in the series add support for new socket
timeout options with _NEW suffix that will use y2038 safe
data structures. Although the existing struct timeval layout
is sufficiently wide to represent timeouts, because of the way
libc will interpret time_t based on user defined flag, these
new flags provide a way of having a structure that is the same
for all architectures consistently.
Rename the existing options with _OLD suffix forms so that the
right option is enabled for userspace applications according
to the architecture and time_t definition of libc.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Acked-by: Willem de Bruijn <willemb@google.com>
Cc: ccaulfie@redhat.com
Cc: deller@gmx.de
Cc: paulus@samba.org
Cc: ralf@linux-mips.org
Cc: rth@twiddle.net
Cc: cluster-devel@redhat.com
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux-alpha@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Cc: linux-parisc@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 07:34:53 -08:00 committed by David S. Miller
parent 9dd49211b8
commit 45bdc66159
8 changed files with 28 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/alpha/include/uapi/asm/socket.h
View File

@ -31,8 +31,8 @@
#define SO_RCVBUFFORCE 0x100b
#define SO_RCVLOWAT 0x1010
#define SO_SNDLOWAT 0x1011
#define SO_RCVTIMEO 0x1012
#define SO_SNDTIMEO 0x1013
#define SO_RCVTIMEO_OLD 0x1012
#define SO_SNDTIMEO_OLD 0x1013
#define SO_ACCEPTCONN 0x1014
#define SO_PROTOCOL 0x1028
#define SO_DOMAIN 0x1029
@ -121,6 +121,9 @@
#if !defined(__KERNEL__)
#define SO_RCVTIMEO SO_RCVTIMEO_OLD
#define SO_SNDTIMEO SO_SNDTIMEO_OLD
#if __BITS_PER_LONG == 64
#define SO_TIMESTAMP SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD

6
arch/mips/include/uapi/asm/socket.h
View File

@ -39,8 +39,8 @@
#define SO_RCVBUF 0x1002 /* Receive buffer. */
#define SO_SNDLOWAT 0x1003 /* send low-water mark */
#define SO_RCVLOWAT 0x1004 /* receive low-water mark */
#define SO_SNDTIMEO 0x1005 /* send timeout */
#define SO_RCVTIMEO 0x1006 /* receive timeout */
#define SO_SNDTIMEO_OLD 0x1005 /* send timeout */
#define SO_RCVTIMEO_OLD 0x1006 /* receive timeout */
#define SO_ACCEPTCONN 0x1009
#define SO_PROTOCOL 0x1028 /* protocol type */
#define SO_DOMAIN 0x1029 /* domain/socket family */
@ -132,6 +132,8 @@
#if !defined(__KERNEL__)
#define SO_RCVTIMEO SO_RCVTIMEO_OLD
#define SO_SNDTIMEO SO_SNDTIMEO_OLD
#if __BITS_PER_LONG == 64
#define SO_TIMESTAMP SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD

6
arch/parisc/include/uapi/asm/socket.h
View File

@ -22,8 +22,8 @@
#define SO_RCVBUFFORCE 0x100b
#define SO_SNDLOWAT 0x1003
#define SO_RCVLOWAT 0x1004
#define SO_SNDTIMEO 0x1005
#define SO_RCVTIMEO 0x1006
#define SO_SNDTIMEO_OLD 0x1005
#define SO_RCVTIMEO_OLD 0x1006
#define SO_ERROR 0x1007
#define SO_TYPE 0x1008
#define SO_PROTOCOL 0x1028
@ -113,6 +113,8 @@
#if !defined(__KERNEL__)
#define SO_RCVTIMEO SO_RCVTIMEO_OLD
#define SO_SNDTIMEO SO_SNDTIMEO_OLD
#if __BITS_PER_LONG == 64
#define SO_TIMESTAMP SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD

4
arch/powerpc/include/uapi/asm/socket.h
View File

@ -11,8 +11,8 @@
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
#define SO_RCVTIMEO 18
#define SO_SNDTIMEO 19
#define SO_RCVTIMEO_OLD 18
#define SO_SNDTIMEO_OLD 19
#define SO_PASSCRED 20
#define SO_PEERCRED 21

7
arch/sparc/include/uapi/asm/socket.h
View File

@ -21,8 +21,8 @@
#define SO_BSDCOMPAT 0x0400
#define SO_RCVLOWAT 0x0800
#define SO_SNDLOWAT 0x1000
#define SO_RCVTIMEO 0x2000
#define SO_SNDTIMEO 0x4000
#define SO_RCVTIMEO_OLD 0x2000
#define SO_SNDTIMEO_OLD 0x4000
#define SO_ACCEPTCONN 0x8000
#define SO_SNDBUF 0x1001
@ -114,6 +114,9 @@
#if !defined(__KERNEL__)
#define SO_RCVTIMEO SO_RCVTIMEO_OLD
#define SO_SNDTIMEO SO_SNDTIMEO_OLD
#if __BITS_PER_LONG == 64
#define SO_TIMESTAMP SO_TIMESTAMP_OLD
#define SO_TIMESTAMPNS SO_TIMESTAMPNS_OLD

4
fs/dlm/lowcomms.c
View File

@ -1089,12 +1089,12 @@ static void sctp_connect_to_sock(struct connection *con)
* since O_NONBLOCK argument in connect() function does not work here,
* then, we should restore the default value of this attribute.
*/
kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv,
kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_OLD, (char *)&tv,
sizeof(tv));
result = sock->ops->connect(sock, (struct sockaddr *)&daddr, addr_len,
0);
memset(&tv, 0, sizeof(tv));
kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO, (char *)&tv,
kernel_setsockopt(sock, SOL_SOCKET, SO_SNDTIMEO_OLD, (char *)&tv,
sizeof(tv));
if (result == -EINPROGRESS)

6
include/uapi/asm-generic/socket.h
View File

@ -30,8 +30,8 @@
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18
#define SO_SNDLOWAT 19
#define SO_RCVTIMEO 20
#define SO_SNDTIMEO 21
#define SO_RCVTIMEO_OLD 20
#define SO_SNDTIMEO_OLD 21
#endif
/* Security levels - as per NRL IPv6 - don't actually do anything */
@ -116,6 +116,8 @@
#if !defined(__KERNEL__)
#define SO_RCVTIMEO SO_RCVTIMEO_OLD
#define SO_SNDTIMEO SO_SNDTIMEO_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

4
net/core/sock.c
View File

@ -941,11 +941,11 @@ set_rcvbuf:
sk->sk_rcvlowat = val ? : 1;
break;
case SO_RCVTIMEO:
case SO_RCVTIMEO_OLD:
ret = sock_set_timeout(&sk->sk_rcvtimeo, optval, optlen);
break;
case SO_SNDTIMEO:
case SO_SNDTIMEO_OLD:
ret = sock_set_timeout(&sk->sk_sndtimeo, optval, optlen);
break;