Auto merge of #1257 - vi:ORIGDSTADDR, r=gnzlbg

Add IP_ORIGDSTADDR and others on FreeBSD.

A follow-up from #1252.

CC @asomers.

r? @gnzlbg

Author: bors

libc-test/build.rs

@@ -725,6 +725,16 @@ fn do_ctest() {
             s if ios && s.starts_with("RTV_") => true,
             s if ios && s.starts_with("DLT_") => true,
 
+            | "IP_ORIGDSTADDR"
+            | "IP_RECVORIGDSTADDR"
+            | "IPV6_ORIGDSTADDR"
+            | "IPV6_RECVORIGDSTADDR"
+                if freebsd =>
+            {
+                // FreeBSD 12 required, but CI has FreeBSD 11.
+                true
+            }
+
             _ => false,
         }
     });

src/unix/bsd/freebsdlike/freebsd/mod.rs

@@ -828,8 +828,16 @@ pub const TCP_PCAP_OUT: ::c_int = 2048;
 pub const TCP_PCAP_IN: ::c_int = 4096;
 
 pub const IP_BINDANY: ::c_int = 24;
+pub const IP_BINDMULTI: ::c_int = 25;
+pub const IP_RSS_LISTEN_BUCKET: ::c_int = 26;
+pub const IP_ORIGDSTADDR : ::c_int = 27;
+pub const IP_RECVORIGDSTADDR : ::c_int = IP_ORIGDSTADDR;
+
 pub const IP_RECVTOS: ::c_int = 68;
 
+pub const IPV6_ORIGDSTADDR: ::c_int = 72;
+pub const IPV6_RECVORIGDSTADDR: ::c_int = IPV6_ORIGDSTADDR;
+
 pub const PF_SLOW: ::c_int = AF_SLOW;
 pub const PF_SCLUSTER: ::c_int = AF_SCLUSTER;
 pub const PF_ARP: ::c_int = AF_ARP;