KRT: Add support for plenty of kernel route metrics

Linux kernel route metrics (RTA_METRICS netlink route attribute) are
represented and accessible as new route attributes:

krt_mtu, krt_window, krt_rtt, krt_rttvar, krt_sstresh, krt_cwnd, krt_advmss,
krt_reordering, krt_hoplimit, krt_initcwnd, krt_rto_min, krt_initrwnd,
krt_quickack, krt_lock_mtu, krt_lock_window, krt_lock_rtt, krt_lock_rttvar,
krt_lock_sstresh, krt_lock_cwnd, krt_lock_advmss, krt_lock_reordering,
krt_lock_hoplimit, krt_lock_rto_min, krt_feature_ecn, krt_feature_allfrag

1 files changed, 2 insertions, 10 deletions

diff --git a/sysdep/unix/krt.c b/sysdep/unix/krt.c
index efdf4bdd..cfb623ce 100644
--- a/sysdep/unix/krt.c
+++ b/sysdep/unix/krt.c
@@ -1191,7 +1191,7 @@ krt_copy_config(struct proto_config *dest, struct proto_config *src)
 }
 
 static int
-krt_get_attr(eattr * a, byte * buf, int buflen UNUSED)
+krt_get_attr(eattr *a, byte *buf, int buflen)
 {
   switch (a->id)
   {
@@ -1203,16 +1203,8 @@ krt_get_attr(eattr * a, byte * buf, int buflen UNUSED)
     bsprintf(buf, "metric");
     return GA_NAME;
 
-  case EA_KRT_PREFSRC:
-    bsprintf(buf, "prefsrc");
-    return GA_NAME;
-
-  case EA_KRT_REALM:
-    bsprintf(buf, "realm");
-    return GA_NAME;
-
   default:
-    return GA_UNKNOWN;
+    return krt_sys_get_attr(a, buf, buflen);
   }
 }