Defined in 2 files as a enum:

• include/uapi/linux/if_link.h, line 1238 (as a enum)
• tools/include/uapi/linux/if_link.h, line 715 (as a enum)

Referenced in 3 files:

• drivers/net/ethernet/aquantia/atlantic/aq_macsec.c, line 670
• drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.h, line 409
• include/net/macsec.h, line 238