Defined in 2 files as a macro:

• include/uapi/linux/tcp.h, line 124 (as a macro)
• tools/include/uapi/linux/tcp.h, line 124 (as a macro)

Referenced in 3 files:

• net/ipv4/tcp.c
  • line 3755
  • line 4259
• net/mptcp/sockopt.c
  • line 565
  • line 813
  • line 1180
• net/smc/af_smc.c, line 2964