Better packet priority and traffic class handling.

Implements support for IPv6 traffic class, sets higher priority for OSPF
and RIP outgoing packets by default and allows to configure ToS/DS/TClass
IP header field and the local priority of outgoing packets.

1 files changed, 19 insertions, 0 deletions

diff --git a/sysdep/linux/sysio.h b/sysdep/linux/sysio.h
index 90b3ebd9..41287e71 100644
--- a/sysdep/linux/sysio.h
+++ b/sysdep/linux/sysio.h
@@ -310,3 +310,22 @@ sk_set_min_ttl6(sock *s, int ttl)
 }
 
 #endif
+
+
+#ifndef IPV6_TCLASS
+#define IPV6_TCLASS 67
+#endif
+
+int sk_priority_control = 7;
+
+static int
+sk_set_priority(sock *s, int prio)
+{
+  if (setsockopt(s->fd, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)) < 0)
+  {
+    log(L_WARN "sk_set_priority: setsockopt: %m");
+    return -1;
+  }
+
+  return 0;
+}