Add a "fork" of musl as //fusl.

fusl/include/netinet/icmp6.h

+#ifndef _NETINET_ICMP6_H
+#define _NETINET_ICMP6_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <stdint.h>
+#include <string.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#define ICMP6_FILTER 1
+
+#define ICMP6_FILTER_BLOCK              1
+#define ICMP6_FILTER_PASS               2
+#define ICMP6_FILTER_BLOCKOTHERS        3
+#define ICMP6_FILTER_PASSONLY           4
+
+struct icmp6_filter {
+        uint32_t icmp6_filt[8];
+};
+
+struct icmp6_hdr {
+        uint8_t     icmp6_type;
+        uint8_t     icmp6_code;
+        uint16_t    icmp6_cksum;
+        union {
+                uint32_t  icmp6_un_data32[1];
+                uint16_t  icmp6_un_data16[2];
+                uint8_t   icmp6_un_data8[4];
+        } icmp6_dataun;
+};
+
+#define icmp6_data32    icmp6_dataun.icmp6_un_data32
+#define icmp6_data16    icmp6_dataun.icmp6_un_data16
+#define icmp6_data8     icmp6_dataun.icmp6_un_data8
+#define icmp6_pptr      icmp6_data32[0]
+#define icmp6_mtu       icmp6_data32[0]
+#define icmp6_id        icmp6_data16[0]
+#define icmp6_seq       icmp6_data16[1]
+#define icmp6_maxdelay  icmp6_data16[0]
+
+#define ICMP6_DST_UNREACH             1
+#define ICMP6_PACKET_TOO_BIG          2
+#define ICMP6_TIME_EXCEEDED           3
+#define ICMP6_PARAM_PROB              4
+
+#define ICMP6_INFOMSG_MASK  0x80
+
+#define ICMP6_ECHO_REQUEST          128
+#define ICMP6_ECHO_REPLY            129
+#define MLD_LISTENER_QUERY          130
+#define MLD_LISTENER_REPORT         131
+#define MLD_LISTENER_REDUCTION      132
+
+#define ICMP6_DST_UNREACH_NOROUTE     0
+#define ICMP6_DST_UNREACH_ADMIN       1
+#define ICMP6_DST_UNREACH_BEYONDSCOPE 2
+#define ICMP6_DST_UNREACH_ADDR        3
+#define ICMP6_DST_UNREACH_NOPORT      4
+
+#define ICMP6_TIME_EXCEED_TRANSIT     0
+#define ICMP6_TIME_EXCEED_REASSEMBLY  1
+
+#define ICMP6_PARAMPROB_HEADER        0
+#define ICMP6_PARAMPROB_NEXTHEADER    1
+#define ICMP6_PARAMPROB_OPTION        2
+
+#define ICMP6_FILTER_WILLPASS(type, filterp) \
+        ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) == 0)
+
+#define ICMP6_FILTER_WILLBLOCK(type, filterp) \
+        ((((filterp)->icmp6_filt[(type) >> 5]) & (1 << ((type) & 31))) != 0)
+
+#define ICMP6_FILTER_SETPASS(type, filterp) \
+        ((((filterp)->icmp6_filt[(type) >> 5]) &= ~(1 << ((type) & 31))))
+
+#define ICMP6_FILTER_SETBLOCK(type, filterp) \
+        ((((filterp)->icmp6_filt[(type) >> 5]) |=  (1 << ((type) & 31))))
+
+#define ICMP6_FILTER_SETPASSALL(filterp) \
+        memset (filterp, 0, sizeof (struct icmp6_filter));
+
+#define ICMP6_FILTER_SETBLOCKALL(filterp) \
+        memset (filterp, 0xFF, sizeof (struct icmp6_filter));
+
+#define ND_ROUTER_SOLICIT           133
+#define ND_ROUTER_ADVERT            134
+#define ND_NEIGHBOR_SOLICIT         135
+#define ND_NEIGHBOR_ADVERT          136
+#define ND_REDIRECT                 137
+
+struct nd_router_solicit {
+        struct icmp6_hdr  nd_rs_hdr;
+};
+
+#define nd_rs_type               nd_rs_hdr.icmp6_type
+#define nd_rs_code               nd_rs_hdr.icmp6_code
+#define nd_rs_cksum              nd_rs_hdr.icmp6_cksum
+#define nd_rs_reserved           nd_rs_hdr.icmp6_data32[0]
+
+struct nd_router_advert {
+        struct icmp6_hdr  nd_ra_hdr;
+        uint32_t   nd_ra_reachable;
+        uint32_t   nd_ra_retransmit;
+};
+
+#define nd_ra_type               nd_ra_hdr.icmp6_type
+#define nd_ra_code               nd_ra_hdr.icmp6_code
+#define nd_ra_cksum              nd_ra_hdr.icmp6_cksum
+#define nd_ra_curhoplimit        nd_ra_hdr.icmp6_data8[0]
+#define nd_ra_flags_reserved     nd_ra_hdr.icmp6_data8[1]
+#define ND_RA_FLAG_MANAGED       0x80
+#define ND_RA_FLAG_OTHER         0x40
+#define ND_RA_FLAG_HOME_AGENT    0x20
+#define nd_ra_router_lifetime    nd_ra_hdr.icmp6_data16[1]
+
+struct nd_neighbor_solicit {
+        struct icmp6_hdr  nd_ns_hdr;
+        struct in6_addr   nd_ns_target;
+};
+
+#define nd_ns_type               nd_ns_hdr.icmp6_type
+#define nd_ns_code               nd_ns_hdr.icmp6_code
+#define nd_ns_cksum              nd_ns_hdr.icmp6_cksum
+#define nd_ns_reserved           nd_ns_hdr.icmp6_data32[0]
+
+struct nd_neighbor_advert {
+        struct icmp6_hdr  nd_na_hdr;
+        struct in6_addr   nd_na_target;
+};
+
+#define nd_na_type               nd_na_hdr.icmp6_type
+#define nd_na_code               nd_na_hdr.icmp6_code
+#define nd_na_cksum              nd_na_hdr.icmp6_cksum
+#define nd_na_flags_reserved     nd_na_hdr.icmp6_data32[0]
+#if     __BYTE_ORDER == __BIG_ENDIAN
+#define ND_NA_FLAG_ROUTER        0x80000000
+#define ND_NA_FLAG_SOLICITED     0x40000000
+#define ND_NA_FLAG_OVERRIDE      0x20000000
+#else
+#define ND_NA_FLAG_ROUTER        0x00000080
+#define ND_NA_FLAG_SOLICITED     0x00000040
+#define ND_NA_FLAG_OVERRIDE      0x00000020
+#endif
+
+struct nd_redirect {
+        struct icmp6_hdr  nd_rd_hdr;
+        struct in6_addr   nd_rd_target;
+        struct in6_addr   nd_rd_dst;
+};
+
+#define nd_rd_type               nd_rd_hdr.icmp6_type
+#define nd_rd_code               nd_rd_hdr.icmp6_code
+#define nd_rd_cksum              nd_rd_hdr.icmp6_cksum
+#define nd_rd_reserved           nd_rd_hdr.icmp6_data32[0]
+
+struct nd_opt_hdr {
+        uint8_t  nd_opt_type;
+        uint8_t  nd_opt_len;
+};
+
+#define ND_OPT_SOURCE_LINKADDR          1
+#define ND_OPT_TARGET_LINKADDR          2
+#define ND_OPT_PREFIX_INFORMATION       3
+#define ND_OPT_REDIRECTED_HEADER        4
+#define ND_OPT_MTU                      5
+#define ND_OPT_RTR_ADV_INTERVAL         7
+#define ND_OPT_HOME_AGENT_INFO          8
+
+struct nd_opt_prefix_info {
+        uint8_t   nd_opt_pi_type;
+        uint8_t   nd_opt_pi_len;
+        uint8_t   nd_opt_pi_prefix_len;
+        uint8_t   nd_opt_pi_flags_reserved;
+        uint32_t  nd_opt_pi_valid_time;
+        uint32_t  nd_opt_pi_preferred_time;
+        uint32_t  nd_opt_pi_reserved2;
+        struct in6_addr  nd_opt_pi_prefix;
+};
+
+#define ND_OPT_PI_FLAG_ONLINK   0x80
+#define ND_OPT_PI_FLAG_AUTO     0x40
+#define ND_OPT_PI_FLAG_RADDR    0x20
+
+struct nd_opt_rd_hdr {
+        uint8_t   nd_opt_rh_type;
+        uint8_t   nd_opt_rh_len;
+        uint16_t  nd_opt_rh_reserved1;
+        uint32_t  nd_opt_rh_reserved2;
+};
+
+struct nd_opt_mtu {
+        uint8_t   nd_opt_mtu_type;
+        uint8_t   nd_opt_mtu_len;
+        uint16_t  nd_opt_mtu_reserved;
+        uint32_t  nd_opt_mtu_mtu;
+};
+
+struct mld_hdr {
+        struct icmp6_hdr    mld_icmp6_hdr;
+        struct in6_addr     mld_addr;
+};
+
+#define mld_type        mld_icmp6_hdr.icmp6_type
+#define mld_code        mld_icmp6_hdr.icmp6_code
+#define mld_cksum       mld_icmp6_hdr.icmp6_cksum
+#define mld_maxdelay    mld_icmp6_hdr.icmp6_data16[0]
+#define mld_reserved    mld_icmp6_hdr.icmp6_data16[1]
+
+#define ICMP6_ROUTER_RENUMBERING    138
+
+struct icmp6_router_renum {
+        struct icmp6_hdr    rr_hdr;
+        uint8_t             rr_segnum;
+        uint8_t             rr_flags;
+        uint16_t            rr_maxdelay;
+        uint32_t            rr_reserved;
+};
+
+#define rr_type         rr_hdr.icmp6_type
+#define rr_code         rr_hdr.icmp6_code
+#define rr_cksum        rr_hdr.icmp6_cksum
+#define rr_seqnum       rr_hdr.icmp6_data32[0]
+
+#define ICMP6_RR_FLAGS_TEST             0x80
+#define ICMP6_RR_FLAGS_REQRESULT        0x40
+#define ICMP6_RR_FLAGS_FORCEAPPLY       0x20
+#define ICMP6_RR_FLAGS_SPECSITE         0x10
+#define ICMP6_RR_FLAGS_PREVDONE         0x08
+
+struct rr_pco_match {
+        uint8_t             rpm_code;
+        uint8_t             rpm_len;
+        uint8_t             rpm_ordinal;
+        uint8_t             rpm_matchlen;
+        uint8_t             rpm_minlen;
+        uint8_t             rpm_maxlen;
+        uint16_t            rpm_reserved;
+        struct in6_addr     rpm_prefix;
+};
+
+#define RPM_PCO_ADD             1
+#define RPM_PCO_CHANGE          2
+#define RPM_PCO_SETGLOBAL       3
+
+struct rr_pco_use {
+        uint8_t             rpu_uselen;
+        uint8_t             rpu_keeplen;
+        uint8_t             rpu_ramask;
+        uint8_t             rpu_raflags;
+        uint32_t            rpu_vltime;
+        uint32_t            rpu_pltime;
+        uint32_t            rpu_flags;
+        struct in6_addr     rpu_prefix;
+};
+
+#define ICMP6_RR_PCOUSE_RAFLAGS_ONLINK  0x20
+#define ICMP6_RR_PCOUSE_RAFLAGS_AUTO    0x10
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80000000
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40000000
+#else
+#define ICMP6_RR_PCOUSE_FLAGS_DECRVLTIME 0x80
+#define ICMP6_RR_PCOUSE_FLAGS_DECRPLTIME 0x40
+#endif
+
+struct rr_result {
+        uint16_t            rrr_flags;
+        uint8_t             rrr_ordinal;
+        uint8_t             rrr_matchedlen;
+        uint32_t            rrr_ifid;
+        struct in6_addr     rrr_prefix;
+};
+
+#if __BYTE_ORDER == __BIG_ENDIAN
+#define ICMP6_RR_RESULT_FLAGS_OOB       0x0002
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0001
+#else
+#define ICMP6_RR_RESULT_FLAGS_OOB       0x0200
+#define ICMP6_RR_RESULT_FLAGS_FORBIDDEN 0x0100
+#endif
+
+struct nd_opt_adv_interval {
+        uint8_t   nd_opt_adv_interval_type;
+        uint8_t   nd_opt_adv_interval_len;
+        uint16_t  nd_opt_adv_interval_reserved;
+        uint32_t  nd_opt_adv_interval_ival;
+};
+
+struct nd_opt_home_agent_info {
+        uint8_t   nd_opt_home_agent_info_type;
+        uint8_t   nd_opt_home_agent_info_len;
+        uint16_t  nd_opt_home_agent_info_reserved;
+        uint16_t  nd_opt_home_agent_info_preference;
+        uint16_t  nd_opt_home_agent_info_lifetime;
+};
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif