Defined in 1 files as a macro:

• include/uapi/linux/if_packet.h, line 54 (as a macro)

Referenced in 3 files:

• net/packet/af_packet.c, line 3374
• tools/testing/selftests/net/msg_zerocopy.c, line 420
• tools/testing/selftests/net/txtimestamp.c, line 326