Restore if_iwm.c r1.173 (mira retry change) which got incarcerated by

the backout police even though it wasn't responsible for anything.
pointed out by tb@

diff --git a/sys/dev/pci/if_iwm.c b/sys/dev/pci/if_iwm.c
index 1ceef1e..215eef9 100644 (file)
--- a/sys/dev/pci/if_iwm.c
+++ b/sys/dev/pci/if_iwm.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: if_iwm.c,v 1.176 2017/04/27 05:46:51 stsp Exp $       */
+/*     $OpenBSD: if_iwm.c,v 1.177 2017/04/27 06:14:23 stsp Exp $       */
 
 /*
  * Copyright (c) 2014, 2016 genua gmbh <info@genua.de>
@@ -3444,7 +3444,7 @@ iwm_rx_tx_cmd_single(struct iwm_softc *sc, struct iwm_rx_packet *pkt,
                in->in_mn.ampdu_size = le16toh(tx_resp->byte_cnt);
                in->in_mn.agglen = tx_resp->frame_count;
                if (tx_resp->failure_frame > 0)
-                       in->in_mn.retries++;
+                       in->in_mn.retries += tx_resp->failure_frame;
                if (txfail)
                        in->in_mn.txfail += tx_resp->frame_count;
                if (ic->ic_state == IEEE80211_S_RUN)