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soreuseport: infrastructure

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Definitions and macros for implementing soreusport.

Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tom Herbert 2013-01-22 09:49:50 +00:00 committed by David S. Miller
parent 4a633a602c
commit 055dc21a1d
18 changed files with 32 additions and 18 deletions
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2
arch/alpha/include/uapi/asm/socket.h
View file

@ -19,7 +19,7 @@
#define SO_BROADCAST 0x0020
#define SO_LINGER 0x0080
#define SO_OOBINLINE 0x0100
/* To add :#define SO_REUSEPORT 0x0200 */
#define SO_REUSEPORT 0x0200
#define SO_TYPE 0x1008
#define SO_ERROR 0x1007

2
arch/avr32/include/uapi/asm/socket.h
View file

@ -22,7 +22,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/cris/include/uapi/asm/socket.h
View file

@ -24,7 +24,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/frv/include/uapi/asm/socket.h
View file

@ -22,7 +22,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/h8300/include/uapi/asm/socket.h
View file

@ -22,7 +22,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/ia64/include/uapi/asm/socket.h
View file

@ -31,7 +31,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/m32r/include/uapi/asm/socket.h
View file

@ -22,7 +22,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

3
arch/mips/include/uapi/asm/socket.h
View file

@ -28,8 +28,7 @@
#define SO_LINGER 0x0080 /* Block on close of a reliable
socket to transmit pending data. */
#define SO_OOBINLINE 0x0100 /* Receive out-of-band data in-band. */
#if 0
To add: #define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */
#define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */
#endif
#define SO_TYPE 0x1008 /* Compatible name for SO_STYLE. */

2
arch/mn10300/include/uapi/asm/socket.h
View file

@ -22,7 +22,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/parisc/include/uapi/asm/socket.h
View file

@ -13,7 +13,7 @@
#define SO_BROADCAST 0x0020
#define SO_LINGER 0x0080
#define SO_OOBINLINE 0x0100
/* To add :#define SO_REUSEPORT 0x0200 */
#define SO_REUSEPORT 0x0200
#define SO_SNDBUF 0x1001
#define SO_RCVBUF 0x1002
#define SO_SNDBUFFORCE 0x100a

2
arch/powerpc/include/uapi/asm/socket.h
View file

@ -29,7 +29,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
#define SO_RCVTIMEO 18

2
arch/s390/include/uapi/asm/socket.h
View file

@ -28,7 +28,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

2
arch/sparc/include/uapi/asm/socket.h
View file

@ -15,7 +15,7 @@
#define SO_PEERCRED 0x0040
#define SO_LINGER 0x0080
#define SO_OOBINLINE 0x0100
/* To add :#define SO_REUSEPORT 0x0200 */
#define SO_REUSEPORT 0x0200
#define SO_BSDCOMPAT 0x0400
#define SO_RCVLOWAT 0x0800
#define SO_SNDLOWAT 0x1000

2
arch/xtensa/include/uapi/asm/socket.h
View file

@ -32,7 +32,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#define SO_PASSCRED 16
#define SO_PEERCRED 17
#define SO_RCVLOWAT 18

6
include/linux/random.h
View file

@ -74,4 +74,10 @@ static inline int arch_get_random_int(unsigned int *v)
}
#endif
/* Pseudo random number generator from numerical recipes. */
static inline u32 next_pseudo_random32(u32 seed)
{
return seed * 1664525 + 1013904223;
}
#endif /* _LINUX_RANDOM_H */

5
include/net/sock.h
View file

@ -140,6 +140,7 @@ typedef __u64 __bitwise __addrpair;
* @skc_family: network address family
* @skc_state: Connection state
* @skc_reuse: %SO_REUSEADDR setting
* @skc_reuseport: %SO_REUSEPORT setting
* @skc_bound_dev_if: bound device index if != 0
* @skc_bind_node: bind hash linkage for various protocol lookup tables
* @skc_portaddr_node: second hash linkage for UDP/UDP-Lite protocol
@ -179,7 +180,8 @@ struct sock_common {
unsigned short skc_family;
volatile unsigned char skc_state;
unsigned char skc_reuse;
unsigned char skc_reuse:4;
unsigned char skc_reuseport:4;
int skc_bound_dev_if;
union {
struct hlist_node skc_bind_node;
@ -297,6 +299,7 @@ struct sock {
#define sk_family __sk_common.skc_family
#define sk_state __sk_common.skc_state
#define sk_reuse __sk_common.skc_reuse
#define sk_reuseport __sk_common.skc_reuseport
#define sk_bound_dev_if __sk_common.skc_bound_dev_if
#define sk_bind_node __sk_common.skc_bind_node
#define sk_prot __sk_common.skc_prot

3
include/uapi/asm-generic/socket.h
View file

@ -22,8 +22,7 @@
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_REUSEPORT 15
#ifndef SO_PASSCRED /* powerpc only differs in these */
#define SO_PASSCRED 16
#define SO_PEERCRED 17

7
net/core/sock.c
View file

@ -665,6 +665,9 @@ int sock_setsockopt(struct socket *sock, int level, int optname,
case SO_REUSEADDR:
sk->sk_reuse = (valbool ? SK_CAN_REUSE : SK_NO_REUSE);
break;
case SO_REUSEPORT:
sk->sk_reuseport = valbool;
break;
case SO_TYPE:
case SO_PROTOCOL:
case SO_DOMAIN:
@ -972,6 +975,10 @@ int sock_getsockopt(struct socket *sock, int level, int optname,
v.val = sk->sk_reuse;
break;
case SO_REUSEPORT:
v.val = sk->sk_reuseport;
break;
case SO_KEEPALIVE:
v.val = sock_flag(sk, SOCK_KEEPOPEN);
break;