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Diffstat (limited to 'net/mac80211/ieee80211_sta.c')
-rw-r--r--net/mac80211/ieee80211_sta.c125
1 files changed, 86 insertions, 39 deletions
diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
index 8b991ebcbb4..cf51ca6804d 100644
--- a/net/mac80211/ieee80211_sta.c
+++ b/net/mac80211/ieee80211_sta.c
@@ -220,6 +220,61 @@ 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,
+ int ibss)
+{
+ 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);
+
+ if (ibss) {
+ /* 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)
@@ -467,8 +522,8 @@ static void ieee80211_set_associated(struct net_device *dev,
memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
ieee80211_sta_send_associnfo(dev, ifsta);
} else {
+ ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
-
netif_carrier_off(dev);
ieee80211_reset_erp_info(dev);
memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
@@ -1145,7 +1200,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
status = WLAN_STATUS_INVALID_QOS_PARAM;
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
- printk(KERN_DEBUG "Block Ack Req with bad params from "
+ printk(KERN_DEBUG "AddBA Req with bad params from "
"%s on tid %u. policy %d, buffer size %d\n",
print_mac(mac, mgmt->sa), tid, ba_policy,
buf_size);
@@ -1169,7 +1224,7 @@ static void ieee80211_sta_process_addba_request(struct net_device *dev,
if (tid_agg_rx->state != HT_AGG_STATE_IDLE) {
#ifdef CONFIG_MAC80211_HT_DEBUG
if (net_ratelimit())
- printk(KERN_DEBUG "unexpected Block Ack Req from "
+ printk(KERN_DEBUG "unexpected AddBA Req from "
"%s on tid %u\n",
print_mac(mac, mgmt->sa), tid);
#endif /* CONFIG_MAC80211_HT_DEBUG */
@@ -1427,7 +1482,7 @@ static void ieee80211_sta_process_delba(struct net_device *dev,
if (net_ratelimit())
printk(KERN_DEBUG "delba from %s (%s) tid %d reason code %d\n",
print_mac(mac, mgmt->sa),
- initiator ? "recipient" : "initiator", tid,
+ initiator ? "initiator" : "recipient", tid,
mgmt->u.action.u.delba.reason_code);
#endif /* CONFIG_MAC80211_HT_DEBUG */
@@ -1497,8 +1552,8 @@ timer_expired_exit:
}
/*
- * After receiving Block Ack Request (BAR) we activated a
- * timer after each frame arrives from the originator.
+ * After accepting the AddBA Request we activated a timer,
+ * resetting it after each frame that arrives from the originator.
* if this timer expires ieee80211_sta_stop_rx_ba_session will be executed.
*/
void sta_rx_agg_session_timer_expired(unsigned long data)
@@ -1518,6 +1573,19 @@ void sta_rx_agg_session_timer_expired(unsigned long data)
WLAN_REASON_QSTA_TIMEOUT);
}
+void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr)
+{
+ struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
+ int i;
+
+ for (i = 0; i < STA_TID_NUM; i++) {
+ ieee80211_stop_tx_ba_session(&local->hw, addr, i,
+ WLAN_BACK_INITIATOR);
+ ieee80211_sta_stop_rx_ba_session(dev, addr, i,
+ WLAN_BACK_RECIPIENT,
+ WLAN_REASON_QSTA_LEAVE_QBSS);
+ }
+}
static void ieee80211_rx_mgmt_auth(struct net_device *dev,
struct ieee80211_if_sta *ifsta,
@@ -2289,6 +2357,8 @@ 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, 1);
} while (0);
if (skb) {
@@ -2356,6 +2426,7 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
struct sta_info *sta;
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
u64 beacon_timestamp, rx_timestamp;
+ struct ieee80211_channel *channel;
DECLARE_MAC_BUF(mac);
DECLARE_MAC_BUF(mac2);
@@ -2420,6 +2491,11 @@ static void ieee80211_rx_bss_info(struct net_device *dev,
else
freq = rx_status->freq;
+ channel = ieee80211_get_channel(local->hw.wiphy, freq);
+
+ if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
+ return;
+
#ifdef CONFIG_MAC80211_MESH
if (elems.mesh_config)
bss = ieee80211_rx_mesh_bss_get(dev, elems.mesh_id,
@@ -3274,6 +3350,7 @@ 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, 0);
ieee80211_rx_bss_put(dev, selected);
ifsta->state = IEEE80211_AUTHENTICATE;
ieee80211_sta_reset_auth(dev, ifsta);
@@ -3448,43 +3525,10 @@ int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
{
struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
struct ieee80211_if_sta *ifsta;
- struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
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)
@@ -3596,6 +3640,9 @@ void ieee80211_scan_completed(struct ieee80211_hw *hw)
if (local->sta_hw_scanning) {
local->sta_hw_scanning = 0;
+ if (ieee80211_hw_config(local))
+ printk(KERN_DEBUG "%s: failed to restore operational "
+ "channel after scan\n", dev->name);
/* Restart STA timer for HW scan case */
rcu_read_lock();
list_for_each_entry_rcu(sdata, &local->interfaces, list)
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-07 18:12:15 +0000