drivers: ethernet: use sys_rand_get directly (792cbb9a) · Commits · Wenxi XU / zephyr

drivers/ethernet/eth.h

+1 −7

Original line number	Diff line number	Diff line
		@@ -32,10 +32,6 @@

		static inline void gen_random_mac(uint8_t *mac_addr, uint8_t b0, uint8_t b1, uint8_t b2)
		{
		uint32_t entropy;

		entropy = sys_rand32_get();

		mac_addr[0] = b0;
		mac_addr[1] = b1;
		mac_addr[2] = b2;
		@@ -43,9 +39,7 @@ static inline void gen_random_mac(uint8_t *mac_addr, uint8_t b0, uint8_t b1, uin
		/* Set MAC address locally administered, unicast (LAA) */
		mac_addr[0] \|= 0x02;

		mac_addr[3] = (entropy >> 16) & 0xff;
		mac_addr[4] = (entropy >> 8) & 0xff;
		mac_addr[5] = (entropy >> 0) & 0xff;
		sys_rand_get(&mac_addr[3], 3U);
		}

		#endif /* ZEPHYR_DRIVERS_ETHERNET_ETH_H_ */

+1 −4

Original line number	Diff line number	Diff line
		@@ -390,10 +390,7 @@ static const struct ethernet_api eth_ivshmem_api = {
		#define ETH_IVSHMEM_RANDOM_MAC_ADDR(inst) \
		static void generate_mac_addr_##inst(uint8_t mac_addr[6]) \
		{ \
		uint32_t entropy = sys_rand32_get(); \
		mac_addr[0] = (entropy >> 16) & 0xff; \
		mac_addr[1] = (entropy >> 8) & 0xff; \
		mac_addr[2] = (entropy >> 0) & 0xff; \
		sys_rand_get(mac_addr, 3U); \
		/* Clear multicast bit */ \
		mac_addr[0] &= 0xFE; \
		gen_random_mac(mac_addr, mac_addr[0], mac_addr[1], mac_addr[2]); \