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net: Get mac address from driver as seed

Previously seeded by obtaining mac addr from env. If mac addr was
never set, rand would output 0. This fix obtains the mac addr
from driver instead.

Signed-off-by: Jimmy Du <jimmy.du@ni.com>
Acked-by: Joe Hershberger <joe.hershberger@ni.com>
Jimmy Du преди 7 години
родител
ревизия
b044cc1dee
променени са 1 файла, в които са добавени 2 реда и са изтрити 2 реда
  1. 2 2
      net/net_rand.h

+ 2 - 2
net/net_rand.h

@@ -16,11 +16,11 @@
  */
  */
 static inline unsigned int seed_mac(void)
 static inline unsigned int seed_mac(void)
 {
 {
-	unsigned char enetaddr[6];
+	unsigned char enetaddr[ARP_HLEN];
 	unsigned int seed;
 	unsigned int seed;
 
 
 	/* get our mac */
 	/* get our mac */
-	eth_getenv_enetaddr("ethaddr", enetaddr);
+	memcpy(enetaddr, eth_get_ethaddr(), ARP_HLEN);
 
 
 	seed = enetaddr[5];
 	seed = enetaddr[5];
 	seed ^= enetaddr[4] << 8;
 	seed ^= enetaddr[4] << 8;