aboutsummaryrefslogtreecommitdiff
path: root/net/ipv4/multipath_random.c
diff options
context:
space:
mode:
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 57f481498fb..c312785d14d 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