ether: add loopback type ETH_P_LOOPBACK

Per IEEE 802.3*, the correct packet type for loopback 0x9000. There's already one ETH_P_LOOP 0x0060, which has been there for ages, however it's plainly wrong as anything that small is considered a length field. We can't remove it because legacy, so add a new type which corresponds to the correct id. http://www.iana.org/assignments/ieee-802-numbers/ieee-802-numbers.xhtml

Veaceslav Falico committed 12 years ago

Commit 61ccbb61 parent 21396681 file · +1 −0Browse files

Showing the changes to include/uapi/linux (1 of 1 file). Show all

Unified · Split

include/uapi/linux/if_ether.h+1−0

@@ -90,6 +90,7 @@ · 89 unmodified lines
90	90	#define ETH_P_TDLS 0x890D /* TDLS */
91	91	#define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */
92	92	#define ETH_P_80221 0x8917 /* IEEE 802.21 Media Independent Handover Protocol */
	93	+#define ETH_P_LOOPBACK 0x9000 /* Ethernet loopback packet, per IEEE 802.3 */
93	94	#define ETH_P_QINQ1 0x9100 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */
94	95	#define ETH_P_QINQ2 0x9200 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */
95	96	#define ETH_P_QINQ3 0x9300 /* deprecated QinQ VLAN [ NOT AN OFFICIALLY REGISTERED ID ] */