1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
5 #include <linux/libc-compat.h>
6 #include <linux/types.h>
8 #include <asm/byteorder.h>
10 /* The latest drafts declared increase in minimal mtu up to 1280. */
12 #define IPV6_MIN_MTU 1280
16 * source interface/address selection, source routing, etc...
17 * *under construction*
20 #if __UAPI_DEF_IN6_PKTINFO
22 struct in6_addr ipi6_addr;
27 #if __UAPI_DEF_IP6_MTUINFO
29 struct sockaddr_in6 ip6m_addr;
35 struct in6_addr ifr6_addr;
40 #define IPV6_SRCRT_STRICT 0x01 /* Deprecated; will be removed */
41 #define IPV6_SRCRT_TYPE_0 0 /* Deprecated; will be removed */
42 #define IPV6_SRCRT_TYPE_2 2 /* IPv6 type 2 Routing Header */
43 #define IPV6_SRCRT_TYPE_3 3 /* RPL Segment Routing with IPv6 */
44 #define IPV6_SRCRT_TYPE_4 4 /* Segment Routing with IPv6 */
57 * variable length field
66 * TLV encoded option data follows.
68 } __attribute__((packed)); /* required for some archs */
70 #define ipv6_destopt_hdr ipv6_opt_hdr
71 #define ipv6_hopopt_hdr ipv6_opt_hdr
73 /* Router Alert option values (RFC2711) */
74 #define IPV6_OPT_ROUTERALERT_MLD 0x0000 /* MLD(RFC2710) */
77 * routing header type 0 (used in cmsghdr struct)
81 struct ipv6_rt_hdr rt_hdr;
83 struct in6_addr addr[0];
85 #define rt0_type rt_hdr.type
89 * routing header type 2
93 struct ipv6_rt_hdr rt_hdr;
97 #define rt2_type rt_hdr.type
101 * home address option in destination options header
104 struct ipv6_destopt_hao {
107 struct in6_addr addr;
108 } __attribute__((packed));
113 * BEWARE, it is incorrect. The first 4 bits of flow_lbl
114 * are glued to priority now, forming "class".
118 #if defined(__LITTLE_ENDIAN_BITFIELD)
121 #elif defined(__BIG_ENDIAN_BITFIELD)
125 #error "Please fix <asm/byteorder.h>"
133 struct in6_addr saddr;
134 struct in6_addr daddr;
138 /* index values for the variables in ipv6_devconf */
140 DEVCONF_FORWARDING = 0,
144 DEVCONF_ACCEPT_REDIRECTS,
146 DEVCONF_DAD_TRANSMITS,
147 DEVCONF_RTR_SOLICITS,
148 DEVCONF_RTR_SOLICIT_INTERVAL,
149 DEVCONF_RTR_SOLICIT_DELAY,
150 DEVCONF_USE_TEMPADDR,
151 DEVCONF_TEMP_VALID_LFT,
152 DEVCONF_TEMP_PREFERED_LFT,
153 DEVCONF_REGEN_MAX_RETRY,
154 DEVCONF_MAX_DESYNC_FACTOR,
155 DEVCONF_MAX_ADDRESSES,
156 DEVCONF_FORCE_MLD_VERSION,
157 DEVCONF_ACCEPT_RA_DEFRTR,
158 DEVCONF_ACCEPT_RA_PINFO,
159 DEVCONF_ACCEPT_RA_RTR_PREF,
160 DEVCONF_RTR_PROBE_INTERVAL,
161 DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
163 DEVCONF_OPTIMISTIC_DAD,
164 DEVCONF_ACCEPT_SOURCE_ROUTE,
165 DEVCONF_MC_FORWARDING,
166 DEVCONF_DISABLE_IPV6,
169 DEVCONF_NDISC_NOTIFY,
170 DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL,
171 DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL,
172 DEVCONF_SUPPRESS_FRAG_NDISC,
173 DEVCONF_ACCEPT_RA_FROM_LOCAL,
174 DEVCONF_USE_OPTIMISTIC,
175 DEVCONF_ACCEPT_RA_MTU,
176 DEVCONF_STABLE_SECRET,
177 DEVCONF_USE_OIF_ADDRS_ONLY,
178 DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT,
179 DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN,
180 DEVCONF_DROP_UNICAST_IN_L2_MULTICAST,
181 DEVCONF_DROP_UNSOLICITED_NA,
182 DEVCONF_KEEP_ADDR_ON_DOWN,
183 DEVCONF_RTR_SOLICIT_MAX_INTERVAL,
184 DEVCONF_SEG6_ENABLED,
185 DEVCONF_SEG6_REQUIRE_HMAC,
186 DEVCONF_ENHANCED_DAD,
187 DEVCONF_ADDR_GEN_MODE,
188 DEVCONF_DISABLE_POLICY,
189 DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
190 DEVCONF_NDISC_TCLASS,
191 DEVCONF_RPL_SEG_ENABLED,
196 #endif /* _UAPI_IPV6_H */