use 64bit counters if available

diff --git a/src/interface.c b/src/interface.c
index 9aae5ae..d68240e 100644 (file)
--- a/src/interface.c
+++ b/src/interface.c
@@ -302,16 +302,29 @@ static int interface_read (void)
                if (kstat_read (kc, ksp[i], NULL) == -1)
                        continue;
 
-               rx = get_kstat_value (ksp[i], "rbytes");
-               tx = get_kstat_value (ksp[i], "obytes");
+               /* try to get 64bit counters */
+               rx = get_kstat_value (ksp[i], "rbytes64");
+               tx = get_kstat_value (ksp[i], "obytes64");
+               /* or fallback to 32bit */
+               if (rx == -1LL)
+                       rx = get_kstat_value (ksp[i], "rbytes");
+               if (tx == -1LL)
+                       tx = get_kstat_value (ksp[i], "obytes");
                if ((rx != -1LL) || (tx != -1LL))
                        if_submit (ksp[i]->ks_name, "if_octets", rx, tx);
 
-               rx = get_kstat_value (ksp[i], "ipackets");
-               tx = get_kstat_value (ksp[i], "opackets");
+               /* try to get 64bit counters */
+               rx = get_kstat_value (ksp[i], "ipackets64");
+               tx = get_kstat_value (ksp[i], "opackets64");
+               /* or fallback to 32bit */
+               if (rx == -1LL)
+                       rx = get_kstat_value (ksp[i], "ipackets");
+               if (tx == -1LL)
+                       tx = get_kstat_value (ksp[i], "opackets");
                if ((rx != -1LL) || (tx != -1LL))
                        if_submit (ksp[i]->ks_name, "if_packets", rx, tx);
 
+               /* no 64bit error counters yet */
                rx = get_kstat_value (ksp[i], "ierrors");
                tx = get_kstat_value (ksp[i], "oerrors");
                if ((rx != -1LL) || (tx != -1LL))