Defined in 2 files as a function:

• include/net/tcp.h, line 593 (as a function)
• tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c, line 179 (as a function)

Referenced in 3 files:

• net/core/filter.c, line 12030
• net/ipv4/syncookies.c, line 64
• tools/testing/selftests/bpf/progs/xdp_synproxy_kern.c, line 186