Default WMM params have to be set according to beacon/probe response
information prior to authentication (or IBSS start/join). This does
not affect the use of 'real' WMM params as reported by AP.
Signed-off-by: Vladimir Koutny <vlado@xxxxxx>
---
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 8b991eb..a55b422 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -220,6 +220,58 @@ static int ecw2cw(int ecw)
return (1 << ecw) - 1;
}
+
+static void ieee80211_sta_def_wmm_params(struct net_device *dev,
+ struct ieee80211_sta_bss *bss)
+{
+ struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
+ struct ieee80211_local *local = sdata->local;
+ int i, have_higher_than_11mbit = 0;
+
+
+ /* cf. IEEE 802.11 9.2.12 */
+ for (i = 0; i < bss->supp_rates_len; i++)
+ if ((bss->supp_rates[i] & 0x7f) * 5 > 110)
+ have_higher_than_11mbit = 1;
+
+ if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
+ have_higher_than_11mbit)
+ sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
+ else
+ sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
+
+
+ if (local->ops->conf_tx) {
+ struct ieee80211_tx_queue_params qparam;
+ int i;
+
+ memset(&qparam, 0, sizeof(qparam));
+
+ qparam.aifs = 2;
+
+ if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
+ !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
+ qparam.cw_min = 31;
+ else
+ qparam.cw_min = 15;
+
+ qparam.cw_max = 1023;
+ qparam.txop = 0;
+
+ for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++)
+ local->ops->conf_tx(local_to_hw(local),
+ i + IEEE80211_TX_QUEUE_DATA0,
+ &qparam);
+
+ /* IBSS uses different parameters for Beacon sending */
+ qparam.cw_min++;
+ qparam.cw_min *= 2;
+ qparam.cw_min--;
+ local->ops->conf_tx(local_to_hw(local),
+ IEEE80211_TX_QUEUE_BEACON, &qparam);
+ }
+}
+
static void ieee80211_sta_wmm_params(struct net_device *dev,
struct ieee80211_if_sta *ifsta,
u8 *wmm_param, size_t wmm_param_len)
@@ -2289,6 +2341,8 @@ static int ieee80211_sta_join_ibss(struct net_device *dev,
rates |= BIT(j);
}
ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
+
+ ieee80211_sta_def_wmm_params(dev, bss);
} while (0);
if (skb) {
@@ -3274,6 +3328,7 @@ static int ieee80211_sta_config_auth(struct net_device *dev,
ieee80211_sta_set_ssid(dev, selected->ssid,
selected->ssid_len);
ieee80211_sta_set_bssid(dev, selected->bssid);
+ ieee80211_sta_def_wmm_params(dev, selected);
ieee80211_rx_bss_put(dev, selected);
ifsta->state = IEEE80211_AUTHENTICATE;
ieee80211_sta_reset_auth(dev, ifsta);
@@ -3453,38 +3508,6 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
if (len > IEEE80211_MAX_SSID_LEN)
return -EINVAL;
- /* TODO: This should always be done for IBSS, even if IEEE80211_QOS is
- * not defined. */
- if (local->ops->conf_tx) {
- struct ieee80211_tx_queue_params qparam;
- int i;
-
- memset(&qparam, 0, sizeof(qparam));
-
- qparam.aifs = 2;
-
- if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
- !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
- qparam.cw_min = 31;
- else
- qparam.cw_min = 15;
-
- qparam.cw_max = 1023;
- qparam.txop = 0;
-
- for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++)
- local->ops->conf_tx(local_to_hw(local),
- i + IEEE80211_TX_QUEUE_DATA0,
- &qparam);
-
- /* IBSS uses different parameters for Beacon sending */
- qparam.cw_min++;
- qparam.cw_min *= 2;
- qparam.cw_min--;
- local->ops->conf_tx(local_to_hw(local),
- IEEE80211_TX_QUEUE_BEACON, &qparam);
- }
-
ifsta = &sdata->u.sta;
if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0)
--
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