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authorMichael Walle <michael@walle.cc>2012-06-05 11:33:15 +0000
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-07-07 14:07:32 +0200
commit99e139d5902e488eb779cd4f00c978f3803c39be (patch)
tree44a0e2420003a2c3393b845b091bcc7b2e05a93b /include
parent9acf1ca50d8b031511d146f6ffd73201fedce28c (diff)
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net: use common rand()/srand() functions
Replace rand() with the functions from lib/. The link-local network code stores its own seed, derived from the MAC address. Thus making it independent from calls to srand() in other modules. Signed-off-by: Michael Walle <michael@walle.cc> Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'include')
-rw-r--r--include/common.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/common.h b/include/common.h
index e16c53e..d1dd65a 100644
--- a/include/common.h
+++ b/include/common.h
@@ -761,7 +761,9 @@ char * strmhz(char *buf, unsigned long hz);
#include <u-boot/crc.h>
/* lib/rand.c */
-#ifdef CONFIG_RANDOM_MACADDR
+#if defined(CONFIG_RANDOM_MACADDR) || \
+ defined(CONFIG_BOOTP_RANDOM_DELAY) || \
+ defined(CONFIG_CMD_LINK_LOCAL)
#define RAND_MAX -1U
void srand(unsigned int seed);
unsigned int rand(void);