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path: root/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c133
1 files changed, 82 insertions, 51 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
index d46f3fbea46e..505b0385d800 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c
@@ -19,11 +19,6 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110,
- * USA
- *
* The full GNU General Public License is included in this distribution
* in the file called COPYING.
*
@@ -559,8 +554,6 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->wiphy->max_remain_on_channel_duration = 10000;
hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
- /* we can compensate an offset of up to 3 channels = 15 MHz */
- hw->wiphy->max_adj_channel_rssi_comp = 3 * 5;
/* Extract MAC address */
memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
@@ -864,16 +857,13 @@ iwl_mvm_ampdu_check_trigger(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
+ trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+ FW_DBG_TRIGGER_BA);
+ if (!trig)
return;
- trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
- ieee80211_vif_to_wdev(vif), trig))
- return;
-
switch (action) {
case IEEE80211_AMPDU_TX_OPERATIONAL: {
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
@@ -1035,6 +1025,7 @@ static void iwl_mvm_cleanup_iterator(void *data, u8 *mac,
mvmvif->phy_ctxt = NULL;
memset(&mvmvif->bf_data, 0, sizeof(mvmvif->bf_data));
+ memset(&mvmvif->probe_resp_data, 0, sizeof(mvmvif->probe_resp_data));
}
static void iwl_mvm_restart_cleanup(struct iwl_mvm *mvm)
@@ -1124,7 +1115,9 @@ int __iwl_mvm_mac_start(struct iwl_mvm *mvm)
* would do.
*/
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
+#ifdef CONFIG_PM
iwl_mvm_d0i3_enable_tx(mvm, NULL);
+#endif
}
return ret;
@@ -1162,7 +1155,9 @@ static void iwl_mvm_restart_complete(struct iwl_mvm *mvm)
mutex_lock(&mvm->mutex);
clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status);
+#ifdef CONFIG_PM
iwl_mvm_d0i3_enable_tx(mvm, NULL);
+#endif
ret = iwl_mvm_update_quotas(mvm, true, NULL);
if (ret)
IWL_ERR(mvm, "Failed to update quotas after restart (%d)\n",
@@ -1233,12 +1228,15 @@ void __iwl_mvm_mac_stop(struct iwl_mvm *mvm)
iwl_mvm_del_aux_sta(mvm);
/*
- * Clear IN_HW_RESTART flag when stopping the hw (as restart_complete()
- * won't be called in this case).
+ * Clear IN_HW_RESTART and HW_RESTART_REQUESTED flag when stopping the
+ * hw (as restart_complete() won't be called in this case) and mac80211
+ * won't execute the restart.
* But make sure to cleanup interfaces that have gone down before/during
* HW restart was requested.
*/
- if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))
+ if (test_and_clear_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status) ||
+ test_and_clear_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED,
+ &mvm->status))
ieee80211_iterate_interfaces(mvm->hw, 0,
iwl_mvm_cleanup_iterator, mvm);
@@ -1308,19 +1306,28 @@ static struct iwl_mvm_phy_ctxt *iwl_mvm_get_free_phy_ctxt(struct iwl_mvm *mvm)
static int iwl_mvm_set_tx_power(struct iwl_mvm *mvm, struct ieee80211_vif *vif,
s16 tx_power)
{
- struct iwl_dev_tx_power_cmd cmd = {
- .v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
- .v3.mac_context_id =
+ int len;
+ union {
+ struct iwl_dev_tx_power_cmd v5;
+ struct iwl_dev_tx_power_cmd_v4 v4;
+ } cmd = {
+ .v5.v3.set_mode = cpu_to_le32(IWL_TX_POWER_MODE_SET_MAC),
+ .v5.v3.mac_context_id =
cpu_to_le32(iwl_mvm_vif_from_mac80211(vif)->id),
- .v3.pwr_restriction = cpu_to_le16(8 * tx_power),
+ .v5.v3.pwr_restriction = cpu_to_le16(8 * tx_power),
};
- int len = sizeof(cmd);
if (tx_power == IWL_DEFAULT_MAX_TX_POWER)
- cmd.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
+ cmd.v5.v3.pwr_restriction = cpu_to_le16(IWL_DEV_MAX_TX_POWER);
- if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
- len = sizeof(cmd.v3);
+ if (fw_has_api(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_API_REDUCE_TX_POWER))
+ len = sizeof(cmd.v5);
+ else if (fw_has_capa(&mvm->fw->ucode_capa,
+ IWL_UCODE_TLV_CAPA_TX_POWER_ACK))
+ len = sizeof(cmd.v4);
+ else
+ len = sizeof(cmd.v4.v3);
return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
}
@@ -1333,6 +1340,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
int ret;
mvmvif->mvm = mvm;
+ RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
/*
* make sure D0i3 exit is completed, otherwise a target access
@@ -1497,6 +1505,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif);
+ struct iwl_probe_resp_data *probe_data;
iwl_mvm_prepare_mac_removal(mvm, vif);
@@ -1506,6 +1515,12 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
mutex_lock(&mvm->mutex);
+ probe_data = rcu_dereference_protected(mvmvif->probe_resp_data,
+ lockdep_is_held(&mvm->mutex));
+ RCU_INIT_POINTER(mvmvif->probe_resp_data, NULL);
+ if (probe_data)
+ kfree_rcu(probe_data, rcu_head);
+
if (mvm->bf_allowed_vif == mvmvif) {
mvm->bf_allowed_vif = NULL;
vif->driver_flags &= ~(IEEE80211_VIF_BEACON_FILTER |
@@ -2455,6 +2470,9 @@ static void iwl_mvm_stop_ap_ibss(struct ieee80211_hw *hw,
iwl_mvm_mac_ctxt_remove(mvm, vif);
+ kfree(mvmvif->ap_wep_key);
+ mvmvif->ap_wep_key = NULL;
+
mutex_unlock(&mvm->mutex);
}
@@ -2784,14 +2802,12 @@ iwl_mvm_tdls_check_trigger(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_tdls *tdls_trig;
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_TDLS))
+ trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+ FW_DBG_TRIGGER_TDLS);
+ if (!trig)
return;
- trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TDLS);
tdls_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
- ieee80211_vif_to_wdev(vif), trig))
- return;
if (!(tdls_trig->action_bitmap & BIT(action)))
return;
@@ -2927,7 +2943,8 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
iwl_mvm_mac_ctxt_changed(mvm, vif, false, NULL);
}
- iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band);
+ iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+ false);
ret = iwl_mvm_update_sta(mvm, vif, sta);
} else if (old_state == IEEE80211_STA_ASSOC &&
new_state == IEEE80211_STA_AUTHORIZED) {
@@ -2943,9 +2960,16 @@ static int iwl_mvm_mac_sta_state(struct ieee80211_hw *hw,
/* enable beacon filtering */
WARN_ON(iwl_mvm_enable_beacon_filter(mvm, vif, 0));
- iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band);
+ iwl_mvm_rs_rate_init(mvm, sta, mvmvif->phy_ctxt->channel->band,
+ true);
- ret = 0;
+ /* if wep is used, need to set the key for the station now */
+ if (vif->type == NL80211_IFTYPE_AP && mvmvif->ap_wep_key)
+ ret = iwl_mvm_set_sta_key(mvm, vif, sta,
+ mvmvif->ap_wep_key,
+ STA_KEY_IDX_INVALID);
+ else
+ ret = 0;
} else if (old_state == IEEE80211_STA_AUTHORIZED &&
new_state == IEEE80211_STA_ASSOC) {
/* disable beacon filtering */
@@ -3128,8 +3152,15 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
switch (key->cipher) {
case WLAN_CIPHER_SUITE_TKIP:
- key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
- key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
+ if (!mvm->trans->cfg->gen2) {
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ key->flags |= IEEE80211_KEY_FLAG_PUT_IV_SPACE;
+ } else if (vif->type == NL80211_IFTYPE_STATION) {
+ key->flags |= IEEE80211_KEY_FLAG_PUT_MIC_SPACE;
+ } else {
+ IWL_DEBUG_MAC80211(mvm, "Use SW encryption for TKIP\n");
+ return -EOPNOTSUPP;
+ }
break;
case WLAN_CIPHER_SUITE_CCMP:
case WLAN_CIPHER_SUITE_GCMP:
@@ -3144,13 +3175,17 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
break;
case WLAN_CIPHER_SUITE_WEP40:
case WLAN_CIPHER_SUITE_WEP104:
- /* For non-client mode, only use WEP keys for TX as we probably
- * don't have a station yet anyway and would then have to keep
- * track of the keys, linking them to each of the clients/peers
- * as they appear. For now, don't do that, for performance WEP
- * offload doesn't really matter much, but we need it for some
- * other offload features in client mode.
- */
+ if (vif->type == NL80211_IFTYPE_AP) {
+ struct iwl_mvm_vif *mvmvif =
+ iwl_mvm_vif_from_mac80211(vif);
+
+ mvmvif->ap_wep_key = kmemdup(key,
+ sizeof(*key) + key->keylen,
+ GFP_KERNEL);
+ if (!mvmvif->ap_wep_key)
+ return -ENOMEM;
+ }
+
if (vif->type != NL80211_IFTYPE_STATION)
return 0;
break;
@@ -4454,14 +4489,12 @@ static void iwl_mvm_event_mlme_callback(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_mlme *trig_mlme;
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_MLME))
+ trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+ FW_DBG_TRIGGER_MLME);
+ if (!trig)
return;
- trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_MLME);
trig_mlme = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
- ieee80211_vif_to_wdev(vif), trig))
- return;
if (event->u.mlme.data == ASSOC_EVENT) {
if (event->u.mlme.status == MLME_DENIED)
@@ -4496,14 +4529,12 @@ static void iwl_mvm_event_bar_rx_callback(struct iwl_mvm *mvm,
struct iwl_fw_dbg_trigger_tlv *trig;
struct iwl_fw_dbg_trigger_ba *ba_trig;
- if (!iwl_fw_dbg_trigger_enabled(mvm->fw, FW_DBG_TRIGGER_BA))
+ trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, ieee80211_vif_to_wdev(vif),
+ FW_DBG_TRIGGER_BA);
+ if (!trig)
return;
- trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
ba_trig = (void *)trig->data;
- if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt,
- ieee80211_vif_to_wdev(vif), trig))
- return;
if (!(le16_to_cpu(ba_trig->rx_bar) & BIT(event->u.ba.tid)))
return;