svn commit: r354512 - head/sys/dev/iwm

[Mark Johnston]

Author: markj
Date: Thu Nov  7 23:38:17 2019
New Revision: 354512
URL: https://svnweb.freebsd.org/changeset/base/354512

Log:
  iwm: Use antenna B for TX on 9000-series chips.
  
  MFC after:	2 weeks
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/dev/iwm/if_iwm.c

Modified: head/sys/dev/iwm/if_iwm.c
==============================================================================
--- head/sys/dev/iwm/if_iwm.c	Thu Nov  7 23:37:55 2019	(r354511)
+++ head/sys/dev/iwm/if_iwm.c	Thu Nov  7 23:38:17 2019	(r354512)
@@ -3768,7 +3768,10 @@ iwm_tx_fill_cmd(struct iwm_softc *sc, struct iwm_node 
 	    );
 
 	/* XXX TODO: hard-coded TX antenna? */
-	rate_flags = 1 << IWM_RATE_MCS_ANT_POS;
+	if (sc->cfg->device_family == IWM_DEVICE_FAMILY_9000)
+		rate_flags = IWM_RATE_MCS_ANT_B_MSK;
+	else
+		rate_flags = IWM_RATE_MCS_ANT_A_MSK;
 	if (IWM_RIDX_IS_CCK(ridx))
 		rate_flags |= IWM_RATE_MCS_CCK_MSK;
 	tx->rate_n_flags = htole32(rate_flags | rinfo->plcp);