1 /* 2 * This header was generated from the Linux kernel headers by update_headers.py, 3 * to provide necessary information from kernel to userspace, such as constants, 4 * structures, and macros, and thus, contains no copyrightable information. 5 */ 6 #ifndef _UAPI_IPV6_H 7 #define _UAPI_IPV6_H 8 #include <linux/libc-compat.h> 9 #include <linux/types.h> 10 #include <linux/in6.h> 11 #include <asm/byteorder.h> 12 #define IPV6_MIN_MTU 1280 13 #if __UAPI_DEF_IN6_PKTINFO 14 struct in6_pktinfo { 15 struct in6_addr ipi6_addr; 16 int ipi6_ifindex; 17 }; 18 #endif 19 #if __UAPI_DEF_IP6_MTUINFO 20 struct ip6_mtuinfo { 21 struct sockaddr_in6 ip6m_addr; 22 __u32 ip6m_mtu; 23 }; 24 #endif 25 struct in6_ifreq { 26 struct in6_addr ifr6_addr; 27 __u32 ifr6_prefixlen; 28 int ifr6_ifindex; 29 }; 30 #define IPV6_SRCRT_STRICT 0x01 31 #define IPV6_SRCRT_TYPE_0 0 32 #define IPV6_SRCRT_TYPE_2 2 33 #define IPV6_SRCRT_TYPE_4 4 34 struct ipv6_rt_hdr { 35 __u8 nexthdr; 36 __u8 hdrlen; 37 __u8 type; 38 __u8 segments_left; 39 40 }; 41 struct ipv6_opt_hdr { 42 __u8 nexthdr; 43 __u8 hdrlen; 44 45 } __attribute__((packed)); 46 #define ipv6_destopt_hdr ipv6_opt_hdr 47 #define ipv6_hopopt_hdr ipv6_opt_hdr 48 #define IPV6_OPT_ROUTERALERT_MLD 0x0000 49 struct rt0_hdr { 50 struct ipv6_rt_hdr rt_hdr; 51 __u32 reserved; 52 struct in6_addr addr[0]; 53 #define rt0_type rt_hdr.type 54 }; 55 struct rt2_hdr { 56 struct ipv6_rt_hdr rt_hdr; 57 __u32 reserved; 58 struct in6_addr addr; 59 #define rt2_type rt_hdr.type 60 }; 61 struct ipv6_destopt_hao { 62 __u8 type; 63 __u8 length; 64 struct in6_addr addr; 65 } __attribute__((packed)); 66 struct ipv6hdr { 67 #if defined(__LITTLE_ENDIAN_BITFIELD) 68 __u8 priority:4, 69 version:4; 70 #elif defined(__BIG_ENDIAN_BITFIELD) 71 __u8 version:4, 72 priority:4; 73 #else 74 #error "Please fix <asm/byteorder.h>" 75 #endif 76 __u8 flow_lbl[3]; 77 __be16 payload_len; 78 __u8 nexthdr; 79 __u8 hop_limit; 80 struct in6_addr saddr; 81 struct in6_addr daddr; 82 }; 83 enum { 84 DEVCONF_FORWARDING = 0, 85 DEVCONF_HOPLIMIT, 86 DEVCONF_MTU6, 87 DEVCONF_ACCEPT_RA, 88 DEVCONF_ACCEPT_REDIRECTS, 89 DEVCONF_AUTOCONF, 90 DEVCONF_DAD_TRANSMITS, 91 DEVCONF_RTR_SOLICITS, 92 DEVCONF_RTR_SOLICIT_INTERVAL, 93 DEVCONF_RTR_SOLICIT_DELAY, 94 DEVCONF_USE_TEMPADDR, 95 DEVCONF_TEMP_VALID_LFT, 96 DEVCONF_TEMP_PREFERED_LFT, 97 DEVCONF_REGEN_MAX_RETRY, 98 DEVCONF_MAX_DESYNC_FACTOR, 99 DEVCONF_MAX_ADDRESSES, 100 DEVCONF_FORCE_MLD_VERSION, 101 DEVCONF_ACCEPT_RA_DEFRTR, 102 DEVCONF_ACCEPT_RA_PINFO, 103 DEVCONF_ACCEPT_RA_RTR_PREF, 104 DEVCONF_RTR_PROBE_INTERVAL, 105 DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN, 106 DEVCONF_PROXY_NDP, 107 DEVCONF_OPTIMISTIC_DAD, 108 DEVCONF_ACCEPT_SOURCE_ROUTE, 109 DEVCONF_MC_FORWARDING, 110 DEVCONF_DISABLE_IPV6, 111 DEVCONF_ACCEPT_DAD, 112 DEVCONF_FORCE_TLLAO, 113 DEVCONF_NDISC_NOTIFY, 114 DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL, 115 DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL, 116 DEVCONF_SUPPRESS_FRAG_NDISC, 117 DEVCONF_ACCEPT_RA_FROM_LOCAL, 118 DEVCONF_USE_OPTIMISTIC, 119 DEVCONF_ACCEPT_RA_MTU, 120 DEVCONF_STABLE_SECRET, 121 DEVCONF_USE_OIF_ADDRS_ONLY, 122 DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT, 123 DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN, 124 DEVCONF_DROP_UNICAST_IN_L2_MULTICAST, 125 DEVCONF_DROP_UNSOLICITED_NA, 126 DEVCONF_KEEP_ADDR_ON_DOWN, 127 DEVCONF_RTR_SOLICIT_MAX_INTERVAL, 128 DEVCONF_SEG6_ENABLED, 129 DEVCONF_SEG6_REQUIRE_HMAC, 130 DEVCONF_ENHANCED_DAD, 131 DEVCONF_ADDR_GEN_MODE, 132 DEVCONF_DISABLE_POLICY, 133 DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN, 134 DEVCONF_NDISC_TCLASS, 135 DEVCONF_MAX 136 }; 137 #endif 138