drivers: ethernet: stm32: Set LAA bit on MAC address based on device ID (300016c8) · Commits · Wenxi XU / zephyr

The MAC addressed derived from the device ID is not assigned by the manufacturer and therefor the Locally Administered Address (LAA) bit should be set. Signed-off-by:

Pieter De Gendt <pieter.degendt@basalte.be>

drivers/ethernet/eth_stm32_hal.c

+6 −0

Changes for drivers/ethernet/eth_stm32_hal.c: 6 added lines, 0 removed lines.
Original line number	Diff line number	Diff line
		@@ -815,6 +815,12 @@ static void generate_mac(uint8_t *mac_addr)
		result_mac_32_bits = crc32_ieee((uint8_t *)unique_device_ID_12_bytes, 12);
		memcpy(&mac_addr[3], &result_mac_32_bits, 3);

		/**
		* Set MAC address locally administered bit (LAA) as this is not assigned by the
		* manufacturer
		*/
		mac_addr[0] \|= 0x02;

		#endif /* NODE_HAS_VALID_MAC_ADDR(DT_DRV_INST(0))) */
		#endif
		}

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