Defined in 1 files as a macro:

• include/uapi/linux/tcp.h, line 245 (as a macro)

Referenced in 3 files:

• include/net/tcp_ecn.h
  • line 87
  • line 155
  • line 170
• net/ipv4/tcp_input.c, line 437
• net/ipv4/tcp_minisocks.c, line 908