Defined in 2 files as a macro:

• include/uapi/linux/tcp.h, line 88 (as a macro)
• tools/include/uapi/linux/tcp.h, line 88 (as a macro)

Referenced in 7 files:

• include/net/tcp.h, line 648
• net/ipv4/tcp.c, line 448
• net/ipv4/tcp_input.c
  • line 252
  • line 574
• net/ipv4/tcp_ipv4.c
  • line 267
  • line 1486
• net/ipv4/tcp_minisocks.c, line 544
• net/mptcp/protocol.c, line 2817
• net/netfilter/nft_rt.c, line 48