Defined in 2 files as a enum:

• include/uapi/linux/if_link.h, line 669 (as a enum)
• tools/include/uapi/linux/if_link.h, line 486 (as a enum)

Referenced in 2 files:

• drivers/net/ethernet/aquantia/atlantic/aq_macsec.c, line 693
• include/net/macsec.h, line 220