diff options
| author | Tom Herbert <therbert@google.com> | 2013-01-22 09:49:50 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-01-23 13:44:00 -0500 |
| commit | 055dc21a1d1d219608cd4baac7d0683fb2cbbe8a (patch) | |
| tree | 23e66bde4668a92585f62d15c759c53fd4d0892f /include | |
| parent | 4a633a602c26497b8285a202830829d3be007c7b (diff) | |
soreuseport: infrastructure
Definitions and macros for implementing soreusport.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/random.h | 6 | ||||
| -rw-r--r-- | include/net/sock.h | 5 | ||||
| -rw-r--r-- | include/uapi/asm-generic/socket.h | 3 |
3 files changed, 11 insertions, 3 deletions
diff --git a/include/linux/random.h b/include/linux/random.h index d9846088c2c5..347ce553a306 100644 --- a/include/linux/random.h +++ b/include/linux/random.h @@ -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 */ diff --git a/include/net/sock.h b/include/net/sock.h index 5a34e2f03657..581dc6bd7dc6 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -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 diff --git a/include/uapi/asm-generic/socket.h b/include/uapi/asm-generic/socket.h index 3f6a99201410..4ef3acbba5da 100644 --- a/include/uapi/asm-generic/socket.h +++ b/include/uapi/asm-generic/socket.h @@ -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 |