diff --git a/src/unix/notbsd/linux/mod.rs b/src/unix/notbsd/linux/mod.rs
index 65afa43332ad19f14953bd5ba46d844dbc19f11f..fb6d49ca3c309ff5140445bf3aaf634a61106ac5 100644
--- a/src/unix/notbsd/linux/mod.rs
+++ b/src/unix/notbsd/linux/mod.rs
@@ -1833,6 +1833,25 @@ pub const RTA_PAD: ::c_ushort = 24;
 pub const RTA_UID: ::c_ushort = 25;
 pub const RTA_TTL_PROPAGATE: ::c_ushort = 26;
 
+pub const RTN_UNSPEC: ::c_uchar = 0;
+pub const RTN_UNICAST: ::c_uchar = 1;
+pub const RTN_LOCAL: ::c_uchar = 2;
+pub const RTN_BROADCAST: ::c_uchar = 3;
+pub const RTN_ANYCAST: ::c_uchar = 4;
+pub const RTN_MULTICAST: ::c_uchar = 5;
+pub const RTN_BLACKHOLE: ::c_uchar = 6;
+pub const RTN_UNREACHABLE: ::c_uchar = 7;
+pub const RTN_PROHIBIT: ::c_uchar = 8;
+pub const RTN_THROW: ::c_uchar = 9;
+pub const RTN_NAT: ::c_uchar = 10;
+pub const RTN_XRESOLVE: ::c_uchar = 11;
+
+pub const RTPROT_UNSPEC: ::c_uchar = 0;
+pub const RTPROT_REDIRECT: ::c_uchar = 1;
+pub const RTPROT_KERNEL: ::c_uchar = 2;
+pub const RTPROT_BOOT: ::c_uchar = 3;
+pub const RTPROT_STATIC: ::c_uchar = 4;
+
 pub const RTMSG_OVERRUN: u32 = ::NLMSG_OVERRUN as u32;
 pub const RTMSG_NEWDEVICE: u32 = 0x11;
 pub const RTMSG_DELDEVICE: u32 = 0x12;