igb: The RDT writing thresh should be tested w/ ">=" instead of ">"

diff --git a/sys/dev/netif/igb/if_igb.c b/sys/dev/netif/igb/if_igb.c
index 09a1c1d..9086d5b 100644 (file)
--- a/sys/dev/netif/igb/if_igb.c
+++ b/sys/dev/netif/igb/if_igb.c
@@ -2549,7 +2549,7 @@ discard:
                if (++i == rxr->num_rx_desc)
                        i = 0;
 
-               if (ncoll > rxr->rx_wreg) {
+               if (ncoll >= rxr->rx_wreg) {
                        igb_rx_refresh(rxr, i);
                        ncoll = 0;
                }