Defined in 2 files as a macro:

• include/net/tcp.h, line 182 (as a macro)
• tools/testing/selftests/bpf/test_tcp_hdr_options.h, line 53 (as a macro)

Referenced in 7 files:

• net/ipv4/tcp.c, line 3126
• net/ipv4/tcp_input.c, line 4005
• net/ipv4/tcp_output.c, line 654
• net/netfilter/nf_conntrack_proto_tcp.c, line 369
• net/netfilter/nf_synproxy_core.c
  • line 68
  • line 147
• net/sched/sch_cake.c, line 1136
• tools/testing/selftests/bpf/progs/test_misc_tcp_hdr_options.c
  • line 183
  • line 227