Defined in 2 files as a macro:

• include/uapi/linux/tcp.h, line 98 (as a macro)
• tools/include/uapi/linux/tcp.h, line 98 (as a macro)

Referenced in 4 files:

• net/core/filter.c, line 4892
• net/ipv4/tcp.c
  • line 3533
  • line 3948
• net/mptcp/sockopt.c, line 531
• tools/testing/selftests/bpf/progs/connect4_prog.c, line 124