Pass our currently configured SSID to iwm(4) scan commands.

This makes connecting to silly "hidden" networks work, which was a long
standing problem with iwm(4). My past observations where other SSIDs were
filtered from scan results while associated can no longer be reproduced.

ok robert phessler

diff --git a/sys/dev/pci/if_iwm.c b/sys/dev/pci/if_iwm.c
index 0ce72d2..b2fd03d 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 1.222 2017/12/10 20:34:41 stsp Exp $       */
+/*     $OpenBSD: if_iwm.c,v 1.223 2018/01/14 11:51:34 stsp Exp $       */
 
 /*
  * Copyright (c) 2014, 2016 genua gmbh <info@genua.de>
@@ -4741,10 +4741,8 @@ iwm_lmac_scan_fill_channels(struct iwm_softc *sc,
                chan->iter_count = htole16(1);
                chan->iter_interval = 0;
                chan->flags = htole32(IWM_UNIFIED_SCAN_CHANNEL_PARTIAL);
-#if 0 /* makes scanning while associated less useful */
                if (n_ssids != 0)
                        chan->flags |= htole32(1 << 1); /* select SSID 0 */
-#endif
                chan++;
                nchan++;
        }
@@ -4770,10 +4768,8 @@ iwm_umac_scan_fill_channels(struct iwm_softc *sc,
                chan->channel_num = ieee80211_mhz2ieee(c->ic_freq, 0);
                chan->iter_count = 1;
                chan->iter_interval = htole16(0);
-#if 0 /* makes scanning while associated less useful */
                if (n_ssids != 0)
                        chan->flags = htole32(1 << 0); /* select SSID 0 */
-#endif
                chan++;
                nchan++;
        }