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path: root/drivers/net/wireless/iwlwifi/mvm/mac80211.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/mac80211.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mac80211.c119
1 files changed, 95 insertions, 24 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
index 7e169b085afe..dd158ec571fb 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c
@@ -22,7 +22,7 @@
* USA
*
* The full GNU General Public License is included in this distribution
- * in the file called LICENSE.GPL.
+ * in the file called COPYING.
*
* Contact Information:
* Intel Linux Wireless <ilw@linux.intel.com>
@@ -65,7 +65,9 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
+#include <linux/ip.h>
#include <net/mac80211.h>
+#include <net/tcp.h>
#include "iwl-op-mode.h"
#include "iwl-io.h"
@@ -102,10 +104,33 @@ static const struct ieee80211_iface_combination iwl_mvm_iface_combinations[] = {
},
};
+#ifdef CONFIG_PM_SLEEP
+static const struct nl80211_wowlan_tcp_data_token_feature
+iwl_mvm_wowlan_tcp_token_feature = {
+ .min_len = 0,
+ .max_len = 255,
+ .bufsize = IWL_WOWLAN_REMOTE_WAKE_MAX_TOKENS,
+};
+
+static const struct wiphy_wowlan_tcp_support iwl_mvm_wowlan_tcp_support = {
+ .tok = &iwl_mvm_wowlan_tcp_token_feature,
+ .data_payload_max = IWL_WOWLAN_TCP_MAX_PACKET_LEN -
+ sizeof(struct ethhdr) -
+ sizeof(struct iphdr) -
+ sizeof(struct tcphdr),
+ .data_interval_max = 65535, /* __le16 in API */
+ .wake_payload_max = IWL_WOWLAN_REMOTE_WAKE_MAX_PACKET_LEN -
+ sizeof(struct ethhdr) -
+ sizeof(struct iphdr) -
+ sizeof(struct tcphdr),
+ .seq = true,
+};
+#endif
+
int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
{
struct ieee80211_hw *hw = mvm->hw;
- int num_mac, ret;
+ int num_mac, ret, i;
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
@@ -118,8 +143,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
IEEE80211_HW_AMPDU_AGGREGATION |
IEEE80211_HW_TIMING_BEACON_ONLY;
- hw->queues = IWL_FIRST_AMPDU_QUEUE;
- hw->offchannel_tx_hw_queue = IWL_OFFCHANNEL_QUEUE;
+ hw->queues = IWL_MVM_FIRST_AGG_QUEUE;
+ hw->offchannel_tx_hw_queue = IWL_MVM_OFFCHANNEL_QUEUE;
hw->rate_control_algorithm = "iwl-mvm-rs";
/*
@@ -149,18 +174,22 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->wiphy->n_iface_combinations =
ARRAY_SIZE(iwl_mvm_iface_combinations);
- hw->wiphy->max_remain_on_channel_duration = 500;
+ hw->wiphy->max_remain_on_channel_duration = 10000;
hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
/* Extract MAC address */
memcpy(mvm->addresses[0].addr, mvm->nvm_data->hw_addr, ETH_ALEN);
hw->wiphy->addresses = mvm->addresses;
hw->wiphy->n_addresses = 1;
- num_mac = mvm->nvm_data->n_hw_addrs;
- if (num_mac > 1) {
- memcpy(mvm->addresses[1].addr, mvm->addresses[0].addr,
+
+ /* Extract additional MAC addresses if available */
+ num_mac = (mvm->nvm_data->n_hw_addrs > 1) ?
+ min(IWL_MVM_MAX_ADDRESSES, mvm->nvm_data->n_hw_addrs) : 1;
+
+ for (i = 1; i < num_mac; i++) {
+ memcpy(mvm->addresses[i].addr, mvm->addresses[i-1].addr,
ETH_ALEN);
- mvm->addresses[1].addr[5]++;
+ mvm->addresses[i].addr[5]++;
hw->wiphy->n_addresses++;
}
@@ -178,7 +207,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->wiphy->hw_version = mvm->trans->hw_id;
- if (iwlwifi_mod_params.power_save)
+ if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM)
hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
else
hw->wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;
@@ -206,6 +235,7 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
hw->wiphy->wowlan.n_patterns = IWL_WOWLAN_MAX_PATTERNS;
hw->wiphy->wowlan.pattern_min_len = IWL_WOWLAN_MIN_PATTERN_LEN;
hw->wiphy->wowlan.pattern_max_len = IWL_WOWLAN_MAX_PATTERN_LEN;
+ hw->wiphy->wowlan.tcp = &iwl_mvm_wowlan_tcp_support;
}
#endif
@@ -227,7 +257,7 @@ static void iwl_mvm_mac_tx(struct ieee80211_hw *hw,
goto drop;
}
- if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_OFFCHANNEL_QUEUE &&
+ if (IEEE80211_SKB_CB(skb)->hw_queue == IWL_MVM_OFFCHANNEL_QUEUE &&
!test_bit(IWL_MVM_STATUS_ROC_RUNNING, &mvm->status))
goto drop;
@@ -273,12 +303,18 @@ static int iwl_mvm_mac_ampdu_action(struct ieee80211_hw *hw,
ret = iwl_mvm_sta_rx_agg(mvm, sta, tid, 0, false);
break;
case IEEE80211_AMPDU_TX_START:
+ if (iwlwifi_mod_params.disable_11n & IWL_DISABLE_HT_TXAGG) {
+ ret = -EINVAL;
+ break;
+ }
ret = iwl_mvm_sta_tx_agg_start(mvm, vif, sta, tid, ssn);
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
+ ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
+ break;
case IEEE80211_AMPDU_TX_STOP_FLUSH:
case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
- ret = iwl_mvm_sta_tx_agg_stop(mvm, vif, sta, tid);
+ ret = iwl_mvm_sta_tx_agg_flush(mvm, vif, sta, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
ret = iwl_mvm_sta_tx_agg_oper(mvm, vif, sta, tid, buf_size);
@@ -466,11 +502,15 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
/*
* TODO: remove this temporary code.
* Currently MVM FW supports power management only on single MAC.
- * Iterate and disable PM on all active interfaces.
+ * If new interface added, disable PM on existing interface.
+ * P2P device is a special case, since it is handled by FW similary to
+ * scan. If P2P deviced is added, PM remains enabled on existing
+ * interface.
* Note: the method below does not count the new interface being added
* at this moment.
*/
- mvm->vif_count++;
+ if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
+ mvm->vif_count++;
if (mvm->vif_count > 1) {
IWL_DEBUG_MAC80211(mvm,
"Disable power on existing interfaces\n");
@@ -526,6 +566,7 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
mvm->p2p_device_vif = vif;
}
+ iwl_mvm_vif_dbgfs_register(mvm, vif);
goto out_unlock;
out_unbind:
@@ -539,10 +580,11 @@ static int iwl_mvm_mac_add_interface(struct ieee80211_hw *hw,
/*
* TODO: remove this temporary code.
* Currently MVM FW supports power management only on single MAC.
- * Check if only one additional interface remains after rereasing
+ * Check if only one additional interface remains after releasing
* current one. Update power mode on the remaining interface.
*/
- mvm->vif_count--;
+ if (vif->type != NL80211_IFTYPE_P2P_DEVICE)
+ mvm->vif_count--;
IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n",
mvm->vif_count);
if (mvm->vif_count == 1) {
@@ -604,6 +646,8 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
mutex_lock(&mvm->mutex);
+ iwl_mvm_vif_dbgfs_clean(mvm, vif);
+
/*
* For AP/GO interface, the tear down of the resources allocated to the
* interface is be handled as part of the stop_ap flow.
@@ -627,7 +671,7 @@ static void iwl_mvm_mac_remove_interface(struct ieee80211_hw *hw,
* Check if only one additional interface remains after removing
* current one. Update power mode on the remaining interface.
*/
- if (mvm->vif_count)
+ if (mvm->vif_count && vif->type != NL80211_IFTYPE_P2P_DEVICE)
mvm->vif_count--;
IWL_DEBUG_MAC80211(mvm, "Currently %d interfaces active\n",
mvm->vif_count);
@@ -677,6 +721,7 @@ static void iwl_mvm_bss_info_changed_station(struct iwl_mvm *mvm,
IWL_ERR(mvm, "failed to update quotas\n");
return;
}
+ iwl_mvm_bt_coex_vif_assoc(mvm, vif);
} else if (mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
/* remove AP station now that the MAC is unassoc */
ret = iwl_mvm_rm_sta_id(mvm, vif, mvmvif->ap_sta_id);
@@ -895,7 +940,7 @@ static void iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw,
*/
break;
case STA_NOTIFY_AWAKE:
- if (WARN_ON(mvmsta->sta_id == IWL_INVALID_STATION))
+ if (WARN_ON(mvmsta->sta_id == IWL_MVM_STATION_COUNT))
break;
iwl_mvm_sta_modify_ps_wake(mvm, sta);
break;
@@ -1051,6 +1096,13 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
switch (cmd) {
case SET_KEY:
+ if (vif->type == NL80211_IFTYPE_AP && !sta) {
+ /* GTK on AP interface is a TX-only key, return 0 */
+ ret = 0;
+ key->hw_key_idx = STA_KEY_IDX_INVALID;
+ break;
+ }
+
IWL_DEBUG_MAC80211(mvm, "set hwcrypto key\n");
ret = iwl_mvm_set_sta_key(mvm, vif, sta, key, false);
if (ret) {
@@ -1059,11 +1111,17 @@ static int iwl_mvm_mac_set_key(struct ieee80211_hw *hw,
* can't add key for RX, but we don't need it
* in the device for TX so still return 0
*/
+ key->hw_key_idx = STA_KEY_IDX_INVALID;
ret = 0;
}
break;
case DISABLE_KEY:
+ if (key->hw_key_idx == STA_KEY_IDX_INVALID) {
+ ret = 0;
+ break;
+ }
+
IWL_DEBUG_MAC80211(mvm, "disable hwcrypto key\n");
ret = iwl_mvm_remove_sta_key(mvm, vif, sta, key);
break;
@@ -1090,7 +1148,8 @@ static void iwl_mvm_mac_update_tkip_key(struct ieee80211_hw *hw,
static int iwl_mvm_roc(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_channel *channel,
- int duration)
+ int duration,
+ enum ieee80211_roc_type type)
{
struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
struct cfg80211_chan_def chandef;
@@ -1101,8 +1160,8 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw,
return -EINVAL;
}
- IWL_DEBUG_MAC80211(mvm, "enter (%d, %d)\n", channel->hw_value,
- duration);
+ IWL_DEBUG_MAC80211(mvm, "enter (%d, %d, %d)\n", channel->hw_value,
+ duration, type);
mutex_lock(&mvm->mutex);
@@ -1111,7 +1170,7 @@ static int iwl_mvm_roc(struct ieee80211_hw *hw,
&chandef, 1, 1);
/* Schedule the time events */
- ret = iwl_mvm_start_p2p_roc(mvm, vif, duration);
+ ret = iwl_mvm_start_p2p_roc(mvm, vif, duration, type);
mutex_unlock(&mvm->mutex);
IWL_DEBUG_MAC80211(mvm, "leave\n");
@@ -1215,6 +1274,7 @@ static int iwl_mvm_assign_vif_chanctx(struct ieee80211_hw *hw,
* will handle quota settings.
*/
if (vif->type == NL80211_IFTYPE_MONITOR) {
+ mvmvif->monitor_active = true;
ret = iwl_mvm_update_quotas(mvm, vif);
if (ret)
goto out_remove_binding;
@@ -1245,15 +1305,16 @@ static void iwl_mvm_unassign_vif_chanctx(struct ieee80211_hw *hw,
if (vif->type == NL80211_IFTYPE_AP)
goto out_unlock;
- iwl_mvm_binding_remove_vif(mvm, vif);
switch (vif->type) {
case NL80211_IFTYPE_MONITOR:
- iwl_mvm_update_quotas(mvm, vif);
+ mvmvif->monitor_active = false;
+ iwl_mvm_update_quotas(mvm, NULL);
break;
default:
break;
}
+ iwl_mvm_binding_remove_vif(mvm, vif);
out_unlock:
mvmvif->phy_ctxt = NULL;
mutex_unlock(&mvm->mutex);
@@ -1274,6 +1335,15 @@ static int iwl_mvm_set_tim(struct ieee80211_hw *hw,
return iwl_mvm_mac_ctxt_beacon_changed(mvm, mvm_sta->vif);
}
+static void iwl_mvm_mac_rssi_callback(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum ieee80211_rssi_event rssi_event)
+{
+ struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw);
+
+ iwl_mvm_bt_rssi_event(mvm, vif, rssi_event);
+}
+
struct ieee80211_ops iwl_mvm_hw_ops = {
.tx = iwl_mvm_mac_tx,
.ampdu_action = iwl_mvm_mac_ampdu_action,
@@ -1297,6 +1367,7 @@ struct ieee80211_ops iwl_mvm_hw_ops = {
.update_tkip_key = iwl_mvm_mac_update_tkip_key,
.remain_on_channel = iwl_mvm_roc,
.cancel_remain_on_channel = iwl_mvm_cancel_roc,
+ .rssi_callback = iwl_mvm_mac_rssi_callback,
.add_chanctx = iwl_mvm_add_chanctx,
.remove_chanctx = iwl_mvm_remove_chanctx,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.