Author: adrian
Date: Fri Apr 29 18:53:16 2016
New Revision: 298792
URL: https://svnweb.freebsd.org/changeset/base/298792
Log:
[ath] initialise do_ldpc to 0.
I .. can't believe I missed this.
This showed up because the AP was TX'ing LDPC to an iwm(4) chipset,
which didn't advertise LDPC and doesn't /accept/ LDPC. Amusingly, all
the two other FreeBSD 11n parts I had tested with (AR9380, Intel 7260)
and I completely forgot to test on ye olde hardware.
That'll teach me.
Tested:
* AR9580 (AP) - Intel 7260 (STA), AR9380 (STA), Intel 6205 (STA)
Modified:
head/sys/dev/ath/if_ath_tx_ht.c
Modified: head/sys/dev/ath/if_ath_tx_ht.c
==============================================================================
--- head/sys/dev/ath/if_ath_tx_ht.c Fri Apr 29 17:56:16 2016
(r298791)
+++ head/sys/dev/ath/if_ath_tx_ht.c Fri Apr 29 18:53:16 2016
(r298792)
@@ -237,6 +237,7 @@ ath_tx_rate_fill_rcflags(struct ath_soft
* It's a global flag, not a per-try flag, so we clear
* it if any of the rate entries aren't 11n.
*/
+ do_ldpc = 0;
if ((ni->ni_vap->iv_htcaps & IEEE80211_HTCAP_LDPC) &&
(ni->ni_htcap & IEEE80211_HTCAP_LDPC))
do_ldpc = 1;
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