Author: adrian
Date: Mon Jun 6 07:09:02 2016
New Revision: 301485
URL: https://svnweb.freebsd.org/changeset/base/301485
Log:
[bwn] don't use a 1MB CCK RTS frame for 11a OFDM transmissions.
Modified:
head/sys/dev/bwn/if_bwn.c
Modified: head/sys/dev/bwn/if_bwn.c
==============================================================================
--- head/sys/dev/bwn/if_bwn.c Mon Jun 6 06:18:18 2016 (r301484)
+++ head/sys/dev/bwn/if_bwn.c Mon Jun 6 07:09:02 2016 (r301485)
@@ -6229,7 +6229,6 @@ bwn_set_txhdr(struct bwn_mac *mac, struc
else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE)
rate = rate_fb = tp->ucastrate;
else {
- /* XXX TODO: don't fall back to CCK rates for OFDM */
rix = ieee80211_ratectl_rate(ni, NULL, 0);
rate = ni->ni_txrate;
@@ -6324,9 +6323,11 @@ bwn_set_txhdr(struct bwn_mac *mac, struc
macctl |= BWN_TX_MAC_LONGFRAME;
if (ic->ic_flags & IEEE80211_F_USEPROT) {
- /* XXX RTS rate is always 1MB??? */
- /* XXX TODO: don't fall back to CCK rates for OFDM */
- rts_rate = BWN_CCK_RATE_1MB;
+ /* Note: don't fall back to CCK rates for 5G */
+ if (phy->gmode)
+ rts_rate = BWN_CCK_RATE_1MB;
+ else
+ rts_rate = BWN_OFDM_RATE_6MB;
rts_rate_fb = bwn_get_fbrate(rts_rate);
/* XXX 'rate' here is hardware rate now, not the net80211 rate
*/
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