diff --git a/src/unix/solarish/mod.rs b/src/unix/solarish/mod.rs
index 202e03691c134e1105ab93c396f5b962e3f48246..353f1c6aa14126e887c5f40bcd5dfa4ca9428005 100644
--- a/src/unix/solarish/mod.rs
+++ b/src/unix/solarish/mod.rs
@@ -1319,15 +1319,16 @@ pub const IFF_NOARP: ::c_int = 0x0000000080; // No address res. protocol
 pub const IFF_PROMISC: ::c_int = 0x0000000100; // Receive all packets
 pub const IFF_ALLMULTI: ::c_int = 0x0000000200; // Receive all multicast pkts
 pub const IFF_INTELLIGENT: ::c_int = 0x0000000400; // Protocol code on board
-// Supports multicast Multicast using broadcst. add.
-pub const IFF_MULTICAST: ::c_int = 0x0000000800;
+pub const IFF_MULTICAST: ::c_int = 0x0000000800; // Supports multicast
+
+// Multicast using broadcst. add.
 pub const IFF_MULTI_BCAST: ::c_int = 0x0000001000;
 pub const IFF_UNNUMBERED: ::c_int = 0x0000002000; // Non-unique address
 pub const IFF_DHCPRUNNING: ::c_int = 0x0000004000; // DHCP controls interface
 pub const IFF_PRIVATE: ::c_int = 0x0000008000; // Do not advertise
-// Do not transmit pkts
+pub const IFF_NOXMIT: ::c_int = 0x0000010000; // Do not transmit pkts
+
 // No address - just on-link subnet
-pub const IFF_NOXMIT: ::c_int = 0x0000010000;
 pub const IFF_NOLOCAL: ::c_int = 0x0000020000;
 pub const IFF_DEPRECATED: ::c_int = 0x0000040000; // Address is deprecated
 pub const IFF_ADDRCONF: ::c_int = 0x0000080000; // Addr. from stateless addrconf
diff --git a/src/unix/uclibc/mod.rs b/src/unix/uclibc/mod.rs
index f4d499b2bb5d4ebe6efc5094f2eab0fc1881b60f..bf4d9772de5882e4d915a45e6664a0b826ea8fb7 100644
--- a/src/unix/uclibc/mod.rs
+++ b/src/unix/uclibc/mod.rs
@@ -742,13 +742,15 @@ pub const IFF_NOTRAILERS: ::c_int = 0x20; // Avoid use of trailers.
 pub const IFF_RUNNING: ::c_int = 0x40; // Resources allocated.
 pub const IFF_NOARP: ::c_int = 0x80; // No address resolution protocol.
 pub const IFF_PROMISC: ::c_int = 0x100; // Receive all packets.
-                                        // Not supported
+
+// Not supported
 pub const IFF_ALLMULTI: ::c_int = 0x200; // Receive all multicast packets.
 pub const IFF_MASTER: ::c_int = 0x400; // Master of a load balancer.
 pub const IFF_SLAVE: ::c_int = 0x800; // Slave of a load balancer.
 pub const IFF_MULTICAST: ::c_int = 0x1000; // Supports multicast.
 pub const IFF_PORTSEL: ::c_int = 0x2000; // Can set media type.
 pub const IFF_AUTOMEDIA: ::c_int = 0x4000; // Auto media select active.
+
 // Dialup device with changing addresses.
 pub const IFF_DYNAMIC: ::c_int = 0x8000;