Defined in 2 files as a macro:

• include/uapi/linux/tcp.h, line 142 (as a macro)
• tools/testing/selftests/bpf/progs/bpf_tracing_net.h, line 61 (as a macro)

Referenced in 3 files:

• net/core/filter.c, line 5587
• net/ipv4/tcp.c
  • line 3939
  • line 4826
• tools/testing/selftests/bpf/progs/setget_sockopt.c, line 66