cpp-d1064d
[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / ipv6.h
diff --git a/i686-linux-gnu-4.7/usr/include/linux/ipv6.h b/i686-linux-gnu-4.7/usr/include/linux/ipv6.h
new file mode 100644 (file)
index 0000000..769b4a3
--- /dev/null
@@ -0,0 +1,194 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef _IPV6_H
+#define _IPV6_H
+
+#include <linux/libc-compat.h>
+#include <linux/types.h>
+#include <linux/in6.h>
+#include <asm/byteorder.h>
+
+/* The latest drafts declared increase in minimal mtu up to 1280. */
+
+#define IPV6_MIN_MTU   1280
+
+/*
+ *     Advanced API
+ *     source interface/address selection, source routing, etc...
+ *     *under construction*
+ */
+
+#if __UAPI_DEF_IN6_PKTINFO
+struct in6_pktinfo {
+       struct in6_addr ipi6_addr;
+       int             ipi6_ifindex;
+};
+#endif
+
+#if __UAPI_DEF_IP6_MTUINFO
+struct ip6_mtuinfo {
+       struct sockaddr_in6     ip6m_addr;
+       __u32                   ip6m_mtu;
+};
+#endif
+
+struct in6_ifreq {
+       struct in6_addr ifr6_addr;
+       __u32           ifr6_prefixlen;
+       int             ifr6_ifindex; 
+};
+
+#define IPV6_SRCRT_STRICT      0x01    /* Deprecated; will be removed */
+#define IPV6_SRCRT_TYPE_0      0       /* Deprecated; will be removed */
+#define IPV6_SRCRT_TYPE_2      2       /* IPv6 type 2 Routing Header   */
+#define IPV6_SRCRT_TYPE_4      4       /* Segment Routing with IPv6 */
+
+/*
+ *     routing header
+ */
+struct ipv6_rt_hdr {
+       __u8            nexthdr;
+       __u8            hdrlen;
+       __u8            type;
+       __u8            segments_left;
+
+       /*
+        *      type specific data
+        *      variable length field
+        */
+};
+
+
+struct ipv6_opt_hdr {
+       __u8            nexthdr;
+       __u8            hdrlen;
+       /* 
+        * TLV encoded option data follows.
+        */
+} __attribute__((packed));     /* required for some archs */
+
+#define ipv6_destopt_hdr ipv6_opt_hdr
+#define ipv6_hopopt_hdr  ipv6_opt_hdr
+
+/* Router Alert option values (RFC2711) */
+#define IPV6_OPT_ROUTERALERT_MLD       0x0000  /* MLD(RFC2710) */
+
+/*
+ *     routing header type 0 (used in cmsghdr struct)
+ */
+
+struct rt0_hdr {
+       struct ipv6_rt_hdr      rt_hdr;
+       __u32                   reserved;
+       struct in6_addr         addr[0];
+
+#define rt0_type               rt_hdr.type
+};
+
+/*
+ *     routing header type 2
+ */
+
+struct rt2_hdr {
+       struct ipv6_rt_hdr      rt_hdr;
+       __u32                   reserved;
+       struct in6_addr         addr;
+
+#define rt2_type               rt_hdr.type
+};
+
+/*
+ *     home address option in destination options header
+ */
+
+struct ipv6_destopt_hao {
+       __u8                    type;
+       __u8                    length;
+       struct in6_addr         addr;
+} __attribute__((packed));
+
+/*
+ *     IPv6 fixed header
+ *
+ *     BEWARE, it is incorrect. The first 4 bits of flow_lbl
+ *     are glued to priority now, forming "class".
+ */
+
+struct ipv6hdr {
+#if defined(__LITTLE_ENDIAN_BITFIELD)
+       __u8                    priority:4,
+                               version:4;
+#elif defined(__BIG_ENDIAN_BITFIELD)
+       __u8                    version:4,
+                               priority:4;
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+       __u8                    flow_lbl[3];
+
+       __be16                  payload_len;
+       __u8                    nexthdr;
+       __u8                    hop_limit;
+
+       struct  in6_addr        saddr;
+       struct  in6_addr        daddr;
+};
+
+
+/* index values for the variables in ipv6_devconf */
+enum {
+       DEVCONF_FORWARDING = 0,
+       DEVCONF_HOPLIMIT,
+       DEVCONF_MTU6,
+       DEVCONF_ACCEPT_RA,
+       DEVCONF_ACCEPT_REDIRECTS,
+       DEVCONF_AUTOCONF,
+       DEVCONF_DAD_TRANSMITS,
+       DEVCONF_RTR_SOLICITS,
+       DEVCONF_RTR_SOLICIT_INTERVAL,
+       DEVCONF_RTR_SOLICIT_DELAY,
+       DEVCONF_USE_TEMPADDR,
+       DEVCONF_TEMP_VALID_LFT,
+       DEVCONF_TEMP_PREFERED_LFT,
+       DEVCONF_REGEN_MAX_RETRY,
+       DEVCONF_MAX_DESYNC_FACTOR,
+       DEVCONF_MAX_ADDRESSES,
+       DEVCONF_FORCE_MLD_VERSION,
+       DEVCONF_ACCEPT_RA_DEFRTR,
+       DEVCONF_ACCEPT_RA_PINFO,
+       DEVCONF_ACCEPT_RA_RTR_PREF,
+       DEVCONF_RTR_PROBE_INTERVAL,
+       DEVCONF_ACCEPT_RA_RT_INFO_MAX_PLEN,
+       DEVCONF_PROXY_NDP,
+       DEVCONF_OPTIMISTIC_DAD,
+       DEVCONF_ACCEPT_SOURCE_ROUTE,
+       DEVCONF_MC_FORWARDING,
+       DEVCONF_DISABLE_IPV6,
+       DEVCONF_ACCEPT_DAD,
+       DEVCONF_FORCE_TLLAO,
+       DEVCONF_NDISC_NOTIFY,
+       DEVCONF_MLDV1_UNSOLICITED_REPORT_INTERVAL,
+       DEVCONF_MLDV2_UNSOLICITED_REPORT_INTERVAL,
+       DEVCONF_SUPPRESS_FRAG_NDISC,
+       DEVCONF_ACCEPT_RA_FROM_LOCAL,
+       DEVCONF_USE_OPTIMISTIC,
+       DEVCONF_ACCEPT_RA_MTU,
+       DEVCONF_STABLE_SECRET,
+       DEVCONF_USE_OIF_ADDRS_ONLY,
+       DEVCONF_ACCEPT_RA_MIN_HOP_LIMIT,
+       DEVCONF_IGNORE_ROUTES_WITH_LINKDOWN,
+       DEVCONF_DROP_UNICAST_IN_L2_MULTICAST,
+       DEVCONF_DROP_UNSOLICITED_NA,
+       DEVCONF_KEEP_ADDR_ON_DOWN,
+       DEVCONF_RTR_SOLICIT_MAX_INTERVAL,
+       DEVCONF_SEG6_ENABLED,
+       DEVCONF_SEG6_REQUIRE_HMAC,
+       DEVCONF_ENHANCED_DAD,
+       DEVCONF_ADDR_GEN_MODE,
+       DEVCONF_DISABLE_POLICY,
+       DEVCONF_ACCEPT_RA_RT_INFO_MIN_PLEN,
+       DEVCONF_NDISC_TCLASS,
+       DEVCONF_MAX
+};
+
+
+#endif /* _IPV6_H */