Defined in 5 files as a macro:

• include/net/tcp.h, line 210 (as a macro)
• tools/testing/selftests/bpf/progs/bpf_tracing_net.h, line 85 (as a macro)
• tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c, line 32 (as a macro)
• tools/testing/selftests/bpf/test_tcp_hdr_options.h, line 54 (as a macro)
• tools/testing/selftests/net/tcp_ao/lib/repair.c, line 16 (as a macro)

Referenced in 11 files:

• net/ipv4/tcp.c, line 3566
• net/ipv4/tcp_input.c, line 4609
• net/ipv4/tcp_output.c, line 767
• net/netfilter/nf_conntrack_proto_tcp.c, line 375
• net/netfilter/nf_synproxy_core.c
  • line 71
  • line 150
• net/sched/sch_cake.c, line 1202
• tools/testing/selftests/bpf/progs/test_misc_tcp_hdr_options.c
  • line 191
  • line 235
• tools/testing/selftests/bpf/progs/test_tcp_custom_syncookie.c
  • line 251
  • line 375
• tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c
  • line 236
  • line 507
• tools/testing/selftests/net/lib/gro.c
  • line 648
  • line 650
  • line 799
• tools/testing/selftests/net/tcp_ao/lib/repair.c
  • line 15
  • line 194