Defined in 3 files as a macro:

• include/uapi/linux/tcp.h, line 98 (as a macro)
• tools/include/uapi/linux/tcp.h, line 95 (as a macro)
• tools/testing/selftests/bpf/progs/bpf_tracing_net.h, line 48 (as a macro)

Referenced in 5 files:

• net/core/filter.c, line 5578
• net/ipv4/tcp.c
  • line 4044
  • line 4514
• net/mptcp/sockopt.c
  • line 563
  • line 878
  • line 1434
• tools/testing/selftests/bpf/progs/connect4_prog.c, line 114
• tools/testing/selftests/bpf/progs/setget_sockopt.c, line 53