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authorJoe Perches <joe@perches.com>2007-02-22 01:26:32 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2007-02-26 11:43:00 -0800
commit4c3ae4d7e727eac6f6eb23587cef0413734d4ae1 (patch)
tree9ab908c6b7bf0120a407d9343b15db939d489476 /net/ipv4/multipath_random.c
parent269def7c505b4d229f9ad49bf88543d1e605533e (diff)
downloadop-kernel-dev-4c3ae4d7e727eac6f6eb23587cef0413734d4ae1.zip
op-kernel-dev-4c3ae4d7e727eac6f6eb23587cef0413734d4ae1.tar.gz
[IPV4]: Use random32() in net/ipv4/multipath
Removed local random number generator function Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/multipath_random.c')
-rw-r--r--net/ipv4/multipath_random.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/net/ipv4/multipath_random.c b/net/ipv4/multipath_random.c
index 57f481498..c312785 100644
--- a/net/ipv4/multipath_random.c
+++ b/net/ipv4/multipath_random.c
@@ -32,6 +32,7 @@
#include <linux/module.h>
#include <linux/mroute.h>
#include <linux/init.h>
+#include <linux/random.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <linux/skbuff.h>
@@ -48,21 +49,6 @@
#define MULTIPATH_MAX_CANDIDATES 40
-/* interface to random number generation */
-static unsigned int RANDOM_SEED = 93186752;
-
-static inline unsigned int random(unsigned int ubound)
-{
- static unsigned int a = 1588635695,
- q = 2,
- r = 1117695901;
-
- RANDOM_SEED = a*(RANDOM_SEED % q) - r*(RANDOM_SEED / q);
-
- return RANDOM_SEED % ubound;
-}
-
-
static void random_select_route(const struct flowi *flp,
struct rtable *first,
struct rtable **rp)
@@ -84,7 +70,7 @@ static void random_select_route(const struct flowi *flp,
if (candidate_count > 1) {
unsigned char i = 0;
unsigned char candidate_no = (unsigned char)
- random(candidate_count);
+ (random32() % candidate_count);
/* find chosen candidate and adjust GC data for all candidates
* to ensure they stay in cache
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