redox add new netinet constants

(backport <rust-lang#3586>)
(cherry picked from commit 50bbf3a)

Author: devnexen

libc-test/semver/redox.txt

@@ -96,8 +96,19 @@ EUSERS
 EXFULL
 FIONREAD
 IMAXBEL
+IPPROTO_ICMP
+IPPROTO_IDP
+IPPROTO_IGMP
+IPPROTO_IP
+IPPROTO_IPV6
+IPPROTO_MAX
+IPPROTO_PUP
+IPPROTO_TCP
+IPPROTO_UDP
 IPV6_ADD_MEMBERSHIP
 IPV6_DROP_MEMBERSHIP
+IP_RECVTOS
+IP_TOS
 IUCLC
 IUTF8
 MADV_DONTNEED
@@ -129,6 +140,7 @@ SIGPWR
 SIGSTKFLT
 SOCK_CLOEXEC
 SOCK_NONBLOCK
+SOCK_RAW
 SO_BSDCOMPAT
 SO_DOMAIN
 SO_NO_CHECK

src/unix/redox/mod.rs

@@ -585,7 +585,13 @@ pub const IP_MULTICAST_TTL: ::c_int = 33;
 pub const IP_MULTICAST_LOOP: ::c_int = 34;
 pub const IP_ADD_MEMBERSHIP: ::c_int = 35;
 pub const IP_DROP_MEMBERSHIP: ::c_int = 36;
+pub const IP_TOS: ::c_int = 1;
+pub const IP_RECVTOS: ::c_int = 2;
+pub const IPPROTO_IGMP: ::c_int = 2;
+pub const IPPROTO_PUP: ::c_int = 12;
+pub const IPPROTO_IDP: ::c_int = 22;
 pub const IPPROTO_RAW: ::c_int = 255;
+pub const IPPROTO_MAX: ::c_int = 255;
 // }
 
 // netinet/tcp.h
@@ -810,6 +816,7 @@ pub const SO_PROTOCOL: ::c_int = 38;
 pub const SO_DOMAIN: ::c_int = 39;
 pub const SOCK_STREAM: ::c_int = 1;
 pub const SOCK_DGRAM: ::c_int = 2;
+pub const SOCK_RAW: ::c_int = 3;
 pub const SOCK_NONBLOCK: ::c_int = 0o4_000;
 pub const SOCK_CLOEXEC: ::c_int = 0o2_000_000;
 pub const SOCK_SEQPACKET: ::c_int = 5;