core.link: Add dropped bytes counter

snabbco · Feb 8, 2017 · 8530942 · 8530942
1 parent aa9980a
commit 8530942
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/src/core/link.h b/src/core/link.h
@@ -9,7 +9,7 @@ struct link {
   //   http://en.wikipedia.org/wiki/Circular_buffer
   struct packet *packets[LINK_RING_SIZE];
   struct {
-    struct counter *dtime, *txbytes, *rxbytes, *txpackets, *rxpackets, *txdrop;
+    struct counter *dtime, *txbytes, *rxbytes, *txpackets, *rxpackets, *txdrop, *txdropbytes;
   } stats;
   // Two cursors:
   //   read:  the next element to be read

diff --git a/src/core/link.lua b/src/core/link.lua
@@ -23,7 +23,7 @@ local size = C.LINK_RING_SIZE         -- NB: Huge slow-down if this is not local
 max        = C.LINK_MAX_PACKETS
 
 local provided_counters = {
-   "dtime", "rxpackets", "rxbytes", "txpackets", "txbytes", "txdrop"
+   "dtime", "rxpackets", "rxbytes", "txpackets", "txbytes", "txdrop", "txdropbytes"
 }
 
 function new (name)
@@ -60,6 +60,7 @@ function transmit (r, p)
 --   assert(p)
    if full(r) then
       counter.add(r.stats.txdrop)
+      counter.add(r.stats.txdropbytes, p.length)
       packet.free(p)
    else
       r.packets[r.write] = p