Defined in 1 files as a macro:

• include/uapi/linux/ip.h, line 57 (as a macro)

Referenced in 4 files:

• include/uapi/linux/ip.h, line 78
• net/ipv4/ah4.c, line 88
• net/ipv4/cipso_ipv4.c, line 1509
• net/ipv4/ip_options.c
  • line 183
  • line 204
  • line 261
  • line 263
  • line 264
  • line 527