Merge branch 'if_ether-h-add-industrial-fieldbus-ethertypes'

Daniel Braunwarth says:

====================
if_ether.h: add industrial fieldbus Ethertypes

This set of patches adds the Ethertypes for PROFINET and EtherCAT.

The defines should be used by iproute2 to extend the list of available link
layer protocols.
====================

Link: https://lore.kernel.org/r/20220228133029.100913-1-daniel@braunwarth.devSigned-off-by: Jakub Kicinski <kuba@kernel.org>

include/uapi/linux/if_ether.h

@@ -86,8 +86,10 @@
 					 * over Ethernet
 					 */
 #define ETH_P_PAE	0x888E		/* Port Access Entity (IEEE 802.1X) */
+#define ETH_P_PROFINET	0x8892		/* PROFINET			*/
 #define ETH_P_REALTEK	0x8899          /* Multiple proprietary protocols */
 #define ETH_P_AOE	0x88A2		/* ATA over Ethernet		*/
+#define ETH_P_ETHERCAT	0x88A4		/* EtherCAT			*/
 #define ETH_P_8021AD	0x88A8          /* 802.1ad Service VLAN		*/
 #define ETH_P_802_EX1	0x88B5		/* 802.1 Local Experimental 1.  */
 #define ETH_P_PREAUTH	0x88C7		/* 802.11 Preauthentication */