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-rw-r--r--src/unix/bsd/mod.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
index b0788124ae..03125c9473 100644
--- a/src/unix/bsd/mod.rs
+++ b/src/unix/bsd/mod.rs
@@ -191,6 +191,10 @@ pub const IPV6_MULTICAST_LOOP: ::c_int = 11;
pub const IPV6_V6ONLY: ::c_int = 27;
pub const IPTOS_ECN_NOTECT: u8 = 0x00;
+pub const IPTOS_ECN_MASK: u8 = 0x03;
+pub const IPTOS_ECN_ECT1: u8 = 0x01;
+pub const IPTOS_ECN_ECT0: u8 = 0x02;
+pub const IPTOS_ECN_CE: u8 = 0x03;
pub const ST_RDONLY: ::c_ulong = 1;