Defined in 2 files as a macro:

• include/uapi/linux/tcp.h, line 113 (as a macro)
• tools/include/uapi/linux/tcp.h, line 113 (as a macro)

Referenced in 5 files:

• net/ipv4/tcp.c
  • line 3588
  • line 4097
• net/smc/af_smc.c, line 2233
• tools/testing/selftests/bpf/prog_tests/migrate_reuseport.c, line 261
• tools/testing/selftests/net/reuseport_bpf.c, line 177
• tools/testing/selftests/net/tcp_fastopen_backup_key.c, line 134