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RFC 2292 struct and constant definitions
This PR adds the icmp6_filter struct and constants as defined by RFC 2292 - Advanced Sockets API for IPv6. These constants are available for use in get/setsockopt on supported Unix platforms. The operations defined on the icmp6_filter struct are defined as C macros, so the implementations are not included here. See the RFC for definitions and use.
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‎libc-test/build.rs‎

Lines changed: 18 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -254,6 +254,8 @@ fn test_apple(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
256256
"netinet/udp.h",
257+
"netinet/icmp6.h",
258+
"netinet/in6.h",
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"netinet6/in6_var.h",
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"os/clock.h",
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"os/lock.h",
@@ -449,6 +451,8 @@ fn test_openbsd(target: &str) {
449451
"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netinet/in6.h",
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"net/bpf.h",
453457
"regex.h",
454458
"resolv.h",
@@ -867,6 +871,7 @@ fn test_redox(target: &str) {
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"netinet/in.h",
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/icmp6.h",
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"poll.h",
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"pwd.h",
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"semaphore.h",
@@ -945,6 +950,8 @@ fn test_solarish(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netinet/in6.h",
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"poll.h",
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"port.h",
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"pthread.h",
@@ -1229,6 +1236,8 @@ fn test_netbsd(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netinet/in6.h",
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"poll.h",
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"pthread.h",
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"pwd.h",
@@ -1518,6 +1527,8 @@ fn test_dragonflybsd(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netinet/in6.h",
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"poll.h",
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"pthread.h",
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"pthread_np.h",
@@ -1833,6 +1844,7 @@ fn test_android(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netpacket/packet.h",
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"poll.h",
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"pthread.h",
@@ -2373,6 +2385,8 @@ fn test_freebsd(target: &str) {
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"netinet/sctp.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netinet/in6.h",
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"poll.h",
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"pthread.h",
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"pthread_np.h",
@@ -3000,6 +3014,7 @@ fn test_emscripten(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netpacket/packet.h",
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"poll.h",
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"pthread.h",
@@ -3268,6 +3283,7 @@ fn test_neutrino(target: &str) {
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/ip_var.h",
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"netinet/icmp6.h",
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"sys/poll.h",
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"pthread.h",
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"pwd.h",
@@ -3764,6 +3780,7 @@ fn test_linux(target: &str) {
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"netinet/ip.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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(l4re, "netpacket/packet.h"),
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"poll.h",
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"pthread.h",
@@ -5022,6 +5039,7 @@ fn test_haiku(target: &str) {
50225039
"netinet/ip_var.h",
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"netinet/tcp.h",
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"netinet/udp.h",
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"netinet/icmp6.h",
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"netinet6/in6.h",
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"nl_types.h",
50275045
"null.h",

‎src/unix/bsd/mod.rs‎

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Original file line numberDiff line numberDiff line change
@@ -211,6 +211,7 @@ pub const IPV6_UNICAST_HOPS: c_int = 4;
211211
pub const IPV6_MULTICAST_IF: c_int = 9;
212212
pub const IPV6_MULTICAST_HOPS: c_int = 10;
213213
pub const IPV6_MULTICAST_LOOP: c_int = 11;
214+
pub const ICMP6_FILTER: c_int = 18;
214215
pub const IPV6_V6ONLY: c_int = 27;
215216
pub const IPV6_DONTFRAG: c_int = 62;
216217

‎src/unix/linux_like/mod.rs‎

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Original file line numberDiff line numberDiff line change
@@ -977,6 +977,8 @@ pub const IPV6_PMTUDISC_PROBE: c_int = 3;
977977
pub const IPV6_PMTUDISC_INTERFACE: c_int = 4;
978978
pub const IPV6_PMTUDISC_OMIT: c_int = 5;
979979

980+
pub const ICMP6_FILTER: c_int = 1;
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980982
pub const TCP_NODELAY: c_int = 1;
981983
pub const TCP_MAXSEG: c_int = 2;
982984
pub const TCP_CORK: c_int = 3;

‎src/unix/mod.rs‎

Lines changed: 158 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -217,6 +217,107 @@ s! {
217217
pub struct in6_addr {
218218
pub s6_addr: [u8; 16],
219219
}
220+
221+
pub struct ip6_hbh {
222+
pub ip6h_nxt: u8,
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pub ip6h_len: u8,
224+
}
225+
226+
pub struct ip6_dest {
227+
pub ip6d_nxt: u8,
228+
pub ip6d_len: u8,
229+
}
230+
231+
pub struct ip6_rthdr {
232+
pub ip6r_nxt: u8,
233+
pub ip6r_len: u8,
234+
pub ip6r_type: u8,
235+
pub ip6r_segleft: u8,
236+
}
237+
238+
pub struct ip6_rthdr0 {
239+
pub ip6r0_nxt: u8,
240+
pub ip6r0_len: u8,
241+
pub ip6r0_type: u8,
242+
pub ip6r0_segleft: u8,
243+
pub ip6r0_reserved: u8,
244+
pub ip6r0_slmap: [u8; 3],
245+
pub ip6r0_addr: in6_addr,
246+
}
247+
248+
pub struct ip6_frag {
249+
ip6f_nxt: u8,
250+
ip6f_reserved: u8,
251+
ip6f_offlg: u16,
252+
ip6f_ident: u32,
253+
}
254+
255+
pub struct icmp6_filter {
256+
pub icmp6_filt: [u32; 8],
257+
}
258+
259+
pub struct icmp6_hdr {
260+
pub icmp6_type: u8,
261+
pub icmp6_code: u8,
262+
pub icmp6_chksum: u16,
263+
pub icmp6_un_data: [u8; 4],
264+
}
265+
266+
pub struct nd_router_solicit {
267+
pub nd_rs_hdr: icmp6_hdr,
268+
}
269+
270+
pub struct nd_router_advert {
271+
pub nd_ra_hdr: icmp6_hdr,
272+
pub nd_ra_reachable: u32,
273+
pub nd_ra_retransmit: u32,
274+
}
275+
276+
pub struct nd_neighbor_solicit {
277+
pub nd_ns_hdr: icmp6_hdr,
278+
pub nd_ns_target: in6_addr,
279+
}
280+
281+
pub struct nd_neighbor_advert {
282+
pub nd_na_hdr: icmp6_hdr,
283+
pub nd_na_target: in6_addr,
284+
}
285+
286+
pub struct nd_redirect {
287+
pub nd_rd_hdr: icmp6_hdr,
288+
pub nd_rd_target: in6_addr,
289+
pub nd_rd_dst: in6_addr,
290+
}
291+
292+
pub struct nd_opt_hdr {
293+
pub nd_opt_type: u8,
294+
pub nd_opt_len: u8,
295+
}
296+
297+
pub struct nd_opt_prefix_info {
298+
pub nd_opt_pi_type: u8,
299+
pub nd_opt_pi_len: u8,
300+
pub nd_opt_pi_prefix_len: u8,
301+
pub nd_opt_pi_flags_reserved: u8,
302+
pub nd_opt_pi_valid_time: u32,
303+
pub nd_opt_pi_preferred_time: u32,
304+
pub nd_opt_pi_reserved2: u32,
305+
pub nd_opt_pi_prefix: in6_addr,
306+
}
307+
308+
pub struct nd_opt_rd_hdr {
309+
pub nd_opt_rh_type: u8,
310+
pub nd_opt_rh_len: u8,
311+
pub nd_opt_rh_reserved1: u16,
312+
pub nd_opt_rh_reserved2: u32,
313+
}
314+
315+
pub struct nd_opt_mtu {
316+
pub nd_opt_mtu_type: u8,
317+
pub nd_opt_mtu_len: u8,
318+
pub nd_opt_mtu_reserved1: u16,
319+
pub nd_opt_mtu_reserved2: u32,
320+
}
220321
}
221322

222323
s_no_extra_traits! {
@@ -364,6 +465,63 @@ pub const ATF_PERM: c_int = 0x04;
364465
pub const ATF_PUBL: c_int = 0x08;
365466
pub const ATF_USETRAILERS: c_int = 0x10;
366467

468+
// ICMPv6 Type and Code Values
469+
pub const ICMP6_DST_UNREACH: u8 = 1;
470+
pub const ICMP6_PACKET_TOO_BIG: u8 = 2;
471+
pub const ICMP6_TIME_EXCEEDED: u8 = 3;
472+
pub const ICMP6_PARAM_PROB: u8 = 4;
473+
474+
pub const ICMP6_INFOMSG_MASK: u8 = 0x80;
475+
476+
pub const ICMP6_ECHO_REQUEST: u8 = 128;
477+
pub const ICMP6_ECHO_REPLY: u8 = 129;
478+
pub const MLD_LISTENER_QUERY: u8 = 130;
479+
pub const MLD_LISTENER_REPORT: u8 = 131;
480+
pub const MLD_LISTENER_REDUCTION: u8 = 132;
481+
482+
pub const ICMP6_DST_UNREACH_NOROUTE: u8 = 0;
483+
pub const ICMP6_DST_UNREACH_ADMIN: u8 = 1;
484+
pub const ICMP6_DST_UNREACH_BEYONDSCOPE: u8 = 2;
485+
pub const ICMP6_DST_UNREACH_ADDR: u8 = 3;
486+
pub const ICMP6_DST_UNREACH_NOPORT: u8 = 4;
487+
488+
pub const ICMP6_TIME_EXCEED_TRANSIT: u8 = 0;
489+
pub const ICMP6_TIME_EXCEED_REASSEMBLY: u8 = 1;
490+
491+
pub const ICMP6_PARAMPROB_HEADER: u8 = 0;
492+
pub const ICMP6_PARAMPROB_NEXTHEADER: u8 = 1;
493+
pub const ICMP6_PARAMPROB_OPTION: u8 = 2;
494+
495+
// ICMPv6 Neighbor Discovery Type and Code Values
496+
pub const ND_ROUTER_SOLICIT: u8 = 133;
497+
pub const ND_ROUTER_ADVERT: u8 = 134;
498+
pub const ND_NEIGHBOR_SOLICIT: u8 = 135;
499+
pub const ND_NEIGHBOR_ADVERT: u8 = 136;
500+
pub const ND_REDIRECT: u8 = 137;
501+
502+
pub const ND_RA_FLAG_MANAGED: u8 = 0x80;
503+
pub const ND_RA_FLAG_OTHER: u8 = 0x40;
504+
505+
cfg_if!{
506+
if #[cfg(target_endian = "big")] {
507+
pub const ND_NA_FLAG_ROUTER: u32 = 0x80000000;
508+
pub const ND_NA_FLAG_SOLICITED: u32 = 0x40000000;
509+
pub const ND_NA_FLAG_OVERRIDE: u32 = 0x20000000;
510+
} else {
511+
pub const ND_NA_FLAG_ROUTER: u32 = 0x00000080;
512+
pub const ND_NA_FLAG_SOLICITED: u32 = 0x00000040;
513+
pub const ND_NA_FLAG_OVERRIDE: u32 = 0x00000020;
514+
}
515+
}
516+
517+
pub const ND_OPT_SOURCE_LINKADDR: u8 = 1;
518+
pub const ND_OPT_TARGET_LINKADDR: u8 = 2;
519+
pub const ND_OPT_PREFIX_INFORMATION: u8 = 3;
520+
pub const ND_OPT_REDIRECTED_HEADER: u8 = 4;
521+
pub const ND_OPT_MTU: u8 = 5;
522+
pub const ND_OPT_PI_FLAG_ONLINK: u8 = 0x80;
523+
pub const ND_OPT_PI_FLAG_AUTO: u8 = 0x40;
524+
367525
cfg_if! {
368526
if #[cfg(any(target_os = "nto", target_os = "aix"))] {
369527
pub const FNM_PERIOD: c_int = 1 << 1;

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