summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath/ath10k/mac.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/mac.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/mac.c677
1 files changed, 635 insertions, 42 deletions
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 97ac8c87cba2..776e364eadcd 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -322,12 +322,19 @@ static int ath10k_peer_create(struct ath10k *ar, u32 vdev_id, const u8 *addr)
lockdep_assert_held(&ar->conf_mutex);
ret = ath10k_wmi_peer_create(ar, vdev_id, addr);
- if (ret)
+ if (ret) {
+ ath10k_warn("Failed to create wmi peer: %i\n", ret);
return ret;
+ }
ret = ath10k_wait_for_peer_created(ar, vdev_id, addr);
- if (ret)
+ if (ret) {
+ ath10k_warn("Failed to wait for created wmi peer: %i\n", ret);
return ret;
+ }
+ spin_lock_bh(&ar->data_lock);
+ ar->num_peers++;
+ spin_unlock_bh(&ar->data_lock);
return 0;
}
@@ -373,6 +380,10 @@ static int ath10k_peer_delete(struct ath10k *ar, u32 vdev_id, const u8 *addr)
if (ret)
return ret;
+ spin_lock_bh(&ar->data_lock);
+ ar->num_peers--;
+ spin_unlock_bh(&ar->data_lock);
+
return 0;
}
@@ -392,6 +403,7 @@ static void ath10k_peer_cleanup(struct ath10k *ar, u32 vdev_id)
list_del(&peer->list);
kfree(peer);
+ ar->num_peers--;
}
spin_unlock_bh(&ar->data_lock);
}
@@ -407,6 +419,7 @@ static void ath10k_peer_cleanup_all(struct ath10k *ar)
list_del(&peer->list);
kfree(peer);
}
+ ar->num_peers = 0;
spin_unlock_bh(&ar->data_lock);
}
@@ -450,15 +463,19 @@ static int ath10k_vdev_start(struct ath10k_vif *arvif)
arg.channel.mode = chan_to_phymode(&conf->chandef);
- arg.channel.min_power = channel->max_power * 3;
- arg.channel.max_power = channel->max_power * 4;
- arg.channel.max_reg_power = channel->max_reg_power * 4;
- arg.channel.max_antenna_gain = channel->max_antenna_gain;
+ arg.channel.min_power = 0;
+ arg.channel.max_power = channel->max_power * 2;
+ arg.channel.max_reg_power = channel->max_reg_power * 2;
+ arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
if (arvif->vdev_type == WMI_VDEV_TYPE_AP) {
arg.ssid = arvif->u.ap.ssid;
arg.ssid_len = arvif->u.ap.ssid_len;
arg.hidden_ssid = arvif->u.ap.hidden_ssid;
+
+ /* For now allow DFS for AP mode */
+ arg.channel.chan_radar =
+ !!(channel->flags & IEEE80211_CHAN_RADAR);
} else if (arvif->vdev_type == WMI_VDEV_TYPE_IBSS) {
arg.ssid = arvif->vif->bss_conf.ssid;
arg.ssid_len = arvif->vif->bss_conf.ssid_len;
@@ -516,6 +533,11 @@ static int ath10k_monitor_start(struct ath10k *ar, int vdev_id)
lockdep_assert_held(&ar->conf_mutex);
+ if (!ar->monitor_present) {
+ ath10k_warn("mac montor stop -- monitor is not present\n");
+ return -EINVAL;
+ }
+
arg.vdev_id = vdev_id;
arg.channel.freq = channel->center_freq;
arg.channel.band_center_freq1 = ar->hw->conf.chandef.center_freq1;
@@ -523,11 +545,13 @@ static int ath10k_monitor_start(struct ath10k *ar, int vdev_id)
/* TODO setup this dynamically, what in case we
don't have any vifs? */
arg.channel.mode = chan_to_phymode(&ar->hw->conf.chandef);
+ arg.channel.chan_radar =
+ !!(channel->flags & IEEE80211_CHAN_RADAR);
- arg.channel.min_power = channel->max_power * 3;
- arg.channel.max_power = channel->max_power * 4;
- arg.channel.max_reg_power = channel->max_reg_power * 4;
- arg.channel.max_antenna_gain = channel->max_antenna_gain;
+ arg.channel.min_power = 0;
+ arg.channel.max_power = channel->max_power * 2;
+ arg.channel.max_reg_power = channel->max_reg_power * 2;
+ arg.channel.max_antenna_gain = channel->max_antenna_gain * 2;
ret = ath10k_wmi_vdev_start(ar, &arg);
if (ret) {
@@ -566,6 +590,16 @@ static int ath10k_monitor_stop(struct ath10k *ar)
lockdep_assert_held(&ar->conf_mutex);
+ if (!ar->monitor_present) {
+ ath10k_warn("mac montor stop -- monitor is not present\n");
+ return -EINVAL;
+ }
+
+ if (!ar->monitor_enabled) {
+ ath10k_warn("mac montor stop -- monitor is not enabled\n");
+ return -EINVAL;
+ }
+
ret = ath10k_wmi_vdev_down(ar, ar->monitor_vdev_id);
if (ret)
ath10k_warn("Monitor vdev down failed: %d\n", ret);
@@ -647,6 +681,107 @@ static int ath10k_monitor_destroy(struct ath10k *ar)
return ret;
}
+static int ath10k_start_cac(struct ath10k *ar)
+{
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ set_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+
+ ret = ath10k_monitor_create(ar);
+ if (ret) {
+ clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+ return ret;
+ }
+
+ ret = ath10k_monitor_start(ar, ar->monitor_vdev_id);
+ if (ret) {
+ clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+ ath10k_monitor_destroy(ar);
+ return ret;
+ }
+
+ ath10k_dbg(ATH10K_DBG_MAC, "mac cac start monitor vdev %d\n",
+ ar->monitor_vdev_id);
+
+ return 0;
+}
+
+static int ath10k_stop_cac(struct ath10k *ar)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+
+ /* CAC is not running - do nothing */
+ if (!test_bit(ATH10K_CAC_RUNNING, &ar->dev_flags))
+ return 0;
+
+ ath10k_monitor_stop(ar);
+ ath10k_monitor_destroy(ar);
+ clear_bit(ATH10K_CAC_RUNNING, &ar->dev_flags);
+
+ ath10k_dbg(ATH10K_DBG_MAC, "mac cac finished\n");
+
+ return 0;
+}
+
+static const char *ath10k_dfs_state(enum nl80211_dfs_state dfs_state)
+{
+ switch (dfs_state) {
+ case NL80211_DFS_USABLE:
+ return "USABLE";
+ case NL80211_DFS_UNAVAILABLE:
+ return "UNAVAILABLE";
+ case NL80211_DFS_AVAILABLE:
+ return "AVAILABLE";
+ default:
+ WARN_ON(1);
+ return "bug";
+ }
+}
+
+static void ath10k_config_radar_detection(struct ath10k *ar)
+{
+ struct ieee80211_channel *chan = ar->hw->conf.chandef.chan;
+ bool radar = ar->hw->conf.radar_enabled;
+ bool chan_radar = !!(chan->flags & IEEE80211_CHAN_RADAR);
+ enum nl80211_dfs_state dfs_state = chan->dfs_state;
+ int ret;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ ath10k_dbg(ATH10K_DBG_MAC,
+ "mac radar config update: chan %dMHz radar %d chan radar %d chan state %s\n",
+ chan->center_freq, radar, chan_radar,
+ ath10k_dfs_state(dfs_state));
+
+ /*
+ * It's safe to call it even if CAC is not started.
+ * This call here guarantees changing channel, etc. will stop CAC.
+ */
+ ath10k_stop_cac(ar);
+
+ if (!radar)
+ return;
+
+ if (!chan_radar)
+ return;
+
+ if (dfs_state != NL80211_DFS_USABLE)
+ return;
+
+ ret = ath10k_start_cac(ar);
+ if (ret) {
+ /*
+ * Not possible to start CAC on current channel so starting
+ * radiation is not allowed, make this channel DFS_UNAVAILABLE
+ * by indicating that radar was detected.
+ */
+ ath10k_warn("failed to start CAC (%d)\n", ret);
+ ieee80211_radar_detected(ar->hw);
+ }
+}
+
static void ath10k_control_beaconing(struct ath10k_vif *arvif,
struct ieee80211_bss_conf *info)
{
@@ -1351,19 +1486,22 @@ static int ath10k_update_channel_list(struct ath10k *ar)
ch->allow_vht = true;
ch->allow_ibss =
- !(channel->flags & IEEE80211_CHAN_NO_IBSS);
+ !(channel->flags & IEEE80211_CHAN_NO_IR);
ch->ht40plus =
!(channel->flags & IEEE80211_CHAN_NO_HT40PLUS);
- passive = channel->flags & IEEE80211_CHAN_PASSIVE_SCAN;
+ ch->chan_radar =
+ !!(channel->flags & IEEE80211_CHAN_RADAR);
+
+ passive = channel->flags & IEEE80211_CHAN_NO_IR;
ch->passive = passive;
ch->freq = channel->center_freq;
- ch->min_power = channel->max_power * 3;
- ch->max_power = channel->max_power * 4;
- ch->max_reg_power = channel->max_reg_power * 4;
- ch->max_antenna_gain = channel->max_antenna_gain;
+ ch->min_power = 0;
+ ch->max_power = channel->max_power * 2;
+ ch->max_reg_power = channel->max_reg_power * 2;
+ ch->max_antenna_gain = channel->max_antenna_gain * 2;
ch->reg_class_id = 0; /* FIXME */
/* FIXME: why use only legacy modes, why not any
@@ -1423,9 +1561,20 @@ static void ath10k_reg_notifier(struct wiphy *wiphy,
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ath10k *ar = hw->priv;
+ bool result;
ath_reg_notifier_apply(wiphy, request, &ar->ath_common.regulatory);
+ if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector) {
+ ath10k_dbg(ATH10K_DBG_REGULATORY, "dfs region 0x%x\n",
+ request->dfs_region);
+ result = ar->dfs_detector->set_dfs_domain(ar->dfs_detector,
+ request->dfs_region);
+ if (!result)
+ ath10k_warn("dfs region 0x%X not supported, will trigger radar for every pulse\n",
+ request->dfs_region);
+ }
+
mutex_lock(&ar->conf_mutex);
if (ar->state == ATH10K_STATE_ON)
ath10k_regd_update(ar);
@@ -1714,8 +1863,10 @@ void ath10k_mgmt_over_wmi_tx_work(struct work_struct *work)
break;
ret = ath10k_wmi_mgmt_tx(ar, skb);
- if (ret)
+ if (ret) {
ath10k_warn("wmi mgmt_tx failed (%d)\n", ret);
+ ieee80211_free_txskb(ar->hw, skb);
+ }
}
}
@@ -1889,6 +2040,7 @@ void ath10k_halt(struct ath10k *ar)
{
lockdep_assert_held(&ar->conf_mutex);
+ ath10k_stop_cac(ar);
del_timer_sync(&ar->scan.timeout);
ath10k_offchan_tx_purge(ar);
ath10k_mgmt_over_wmi_tx_purge(ar);
@@ -1943,7 +2095,7 @@ static int ath10k_start(struct ieee80211_hw *hw)
ath10k_warn("could not enable WMI_PDEV_PARAM_PMF_QOS (%d)\n",
ret);
- ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 0);
+ ret = ath10k_wmi_pdev_set_param(ar, ar->wmi.pdev_param->dynamic_bw, 1);
if (ret)
ath10k_warn("could not init WMI_PDEV_PARAM_DYNAMIC_BW (%d)\n",
ret);
@@ -1998,15 +2150,40 @@ static int ath10k_config(struct ieee80211_hw *hw, u32 changed)
struct ath10k *ar = hw->priv;
struct ieee80211_conf *conf = &hw->conf;
int ret = 0;
+ u32 param;
mutex_lock(&ar->conf_mutex);
if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- ath10k_dbg(ATH10K_DBG_MAC, "mac config channel %d mhz\n",
- conf->chandef.chan->center_freq);
+ ath10k_dbg(ATH10K_DBG_MAC,
+ "mac config channel %d mhz flags 0x%x\n",
+ conf->chandef.chan->center_freq,
+ conf->chandef.chan->flags);
+
spin_lock_bh(&ar->data_lock);
ar->rx_channel = conf->chandef.chan;
spin_unlock_bh(&ar->data_lock);
+
+ ath10k_config_radar_detection(ar);
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ ath10k_dbg(ATH10K_DBG_MAC, "mac config power %d\n",
+ hw->conf.power_level);
+
+ param = ar->wmi.pdev_param->txpower_limit2g;
+ ret = ath10k_wmi_pdev_set_param(ar, param,
+ hw->conf.power_level * 2);
+ if (ret)
+ ath10k_warn("mac failed to set 2g txpower %d (%d)\n",
+ hw->conf.power_level, ret);
+
+ param = ar->wmi.pdev_param->txpower_limit5g;
+ ret = ath10k_wmi_pdev_set_param(ar, param,
+ hw->conf.power_level * 2);
+ if (ret)
+ ath10k_warn("mac failed to set 5g txpower %d (%d)\n",
+ hw->conf.power_level, ret);
}
if (changed & IEEE80211_CONF_CHANGE_PS)
@@ -2037,7 +2214,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
enum wmi_sta_powersave_param param;
int ret = 0;
- u32 value;
+ u32 value, param_id;
int bit;
u32 vdev_param;
@@ -2049,6 +2226,7 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
arvif->vif = vif;
INIT_WORK(&arvif->wep_key_work, ath10k_tx_wep_key_work);
+ INIT_LIST_HEAD(&arvif->list);
if ((vif->type == NL80211_IFTYPE_MONITOR) && ar->monitor_present) {
ath10k_warn("Only one monitor interface allowed\n");
@@ -2128,6 +2306,13 @@ static int ath10k_add_interface(struct ieee80211_hw *hw,
ath10k_warn("Failed to create peer for AP: %d\n", ret);
goto err_vdev_delete;
}
+
+ param_id = ar->wmi.pdev_param->sta_kickout_th;
+
+ /* Disable STA KICKOUT functionality in FW */
+ ret = ath10k_wmi_pdev_set_param(ar, param_id, 0);
+ if (ret)
+ ath10k_warn("Failed to disable STA KICKOUT\n");
}
if (arvif->vdev_type == WMI_VDEV_TYPE_STA) {
@@ -2265,8 +2450,14 @@ static void ath10k_configure_filter(struct ieee80211_hw *hw,
*total_flags &= SUPPORTED_FILTERS;
ar->filter_flags = *total_flags;
+ /* Monitor must not be started if it wasn't created first.
+ * Promiscuous mode may be started on a non-monitor interface - in
+ * such case the monitor vdev is not created so starting the
+ * monitor makes no sense. Since ath10k uses no special RX filters
+ * (only BSS filter in STA mode) there's no need for any special
+ * action here. */
if ((ar->filter_flags & FIF_PROMISC_IN_BSS) &&
- !ar->monitor_enabled) {
+ !ar->monitor_enabled && ar->monitor_present) {
ath10k_dbg(ATH10K_DBG_MAC, "mac monitor %d start\n",
ar->monitor_vdev_id);
@@ -2274,7 +2465,7 @@ static void ath10k_configure_filter(struct ieee80211_hw *hw,
if (ret)
ath10k_warn("Unable to start monitor mode\n");
} else if (!(ar->filter_flags & FIF_PROMISC_IN_BSS) &&
- ar->monitor_enabled) {
+ ar->monitor_enabled && ar->monitor_present) {
ath10k_dbg(ATH10K_DBG_MAC, "mac monitor %d stop\n",
ar->monitor_vdev_id);
@@ -2360,8 +2551,8 @@ static void ath10k_bss_info_changed(struct ieee80211_hw *hw,
ret = ath10k_peer_create(ar, arvif->vdev_id,
info->bssid);
if (ret)
- ath10k_warn("Failed to add peer: %pM for VDEV: %d\n",
- info->bssid, arvif->vdev_id);
+ ath10k_warn("Failed to add peer %pM for vdev %d when changin bssid: %i\n",
+ info->bssid, arvif->vdev_id, ret);
if (vif->type == NL80211_IFTYPE_STATION) {
/*
@@ -2542,6 +2733,44 @@ static void ath10k_cancel_hw_scan(struct ieee80211_hw *hw,
mutex_unlock(&ar->conf_mutex);
}
+static void ath10k_set_key_h_def_keyidx(struct ath10k *ar,
+ struct ath10k_vif *arvif,
+ enum set_key_cmd cmd,
+ struct ieee80211_key_conf *key)
+{
+ u32 vdev_param = arvif->ar->wmi.vdev_param->def_keyid;
+ int ret;
+
+ /* 10.1 firmware branch requires default key index to be set to group
+ * key index after installing it. Otherwise FW/HW Txes corrupted
+ * frames with multi-vif APs. This is not required for main firmware
+ * branch (e.g. 636).
+ *
+ * FIXME: This has been tested only in AP. It remains unknown if this
+ * is required for multi-vif STA interfaces on 10.1 */
+
+ if (arvif->vdev_type != WMI_VDEV_TYPE_AP)
+ return;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP40)
+ return;
+
+ if (key->cipher == WLAN_CIPHER_SUITE_WEP104)
+ return;
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
+ return;
+
+ if (cmd != SET_KEY)
+ return;
+
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id, vdev_param,
+ key->keyidx);
+ if (ret)
+ ath10k_warn("failed to set group key as default key: %d\n",
+ ret);
+}
+
static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
struct ieee80211_key_conf *key)
@@ -2603,6 +2832,8 @@ static int ath10k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
goto exit;
}
+ ath10k_set_key_h_def_keyidx(ar, arvif, cmd, key);
+
spin_lock_bh(&ar->data_lock);
peer = ath10k_peer_find(ar, arvif->vdev_id, peer_addr);
if (peer && cmd == SET_KEY)
@@ -2627,6 +2858,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
{
struct ath10k *ar = hw->priv;
struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ int max_num_peers;
int ret = 0;
mutex_lock(&ar->conf_mutex);
@@ -2637,14 +2869,26 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
/*
* New station addition.
*/
+ if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features))
+ max_num_peers = TARGET_10X_NUM_PEERS_MAX - 1;
+ else
+ max_num_peers = TARGET_NUM_PEERS;
+
+ if (ar->num_peers >= max_num_peers) {
+ ath10k_warn("Number of peers exceeded: peers number %d (max peers %d)\n",
+ ar->num_peers, max_num_peers);
+ ret = -ENOBUFS;
+ goto exit;
+ }
+
ath10k_dbg(ATH10K_DBG_MAC,
- "mac vdev %d peer create %pM (new sta)\n",
- arvif->vdev_id, sta->addr);
+ "mac vdev %d peer create %pM (new sta) num_peers %d\n",
+ arvif->vdev_id, sta->addr, ar->num_peers);
ret = ath10k_peer_create(ar, arvif->vdev_id, sta->addr);
if (ret)
- ath10k_warn("Failed to add peer: %pM for VDEV: %d\n",
- sta->addr, arvif->vdev_id);
+ ath10k_warn("Failed to add peer %pM for vdev %d when adding a new sta: %i\n",
+ sta->addr, arvif->vdev_id, ret);
} else if ((old_state == IEEE80211_STA_NONE &&
new_state == IEEE80211_STA_NOTEXIST)) {
/*
@@ -2689,7 +2933,7 @@ static int ath10k_sta_state(struct ieee80211_hw *hw,
ath10k_warn("Failed to disassociate station: %pM\n",
sta->addr);
}
-
+exit:
mutex_unlock(&ar->conf_mutex);
return ret;
}
@@ -3095,6 +3339,307 @@ exit:
return ret;
}
+/* Helper table for legacy fixed_rate/bitrate_mask */
+static const u8 cck_ofdm_rate[] = {
+ /* CCK */
+ 3, /* 1Mbps */
+ 2, /* 2Mbps */
+ 1, /* 5.5Mbps */
+ 0, /* 11Mbps */
+ /* OFDM */
+ 3, /* 6Mbps */
+ 7, /* 9Mbps */
+ 2, /* 12Mbps */
+ 6, /* 18Mbps */
+ 1, /* 24Mbps */
+ 5, /* 36Mbps */
+ 0, /* 48Mbps */
+ 4, /* 54Mbps */
+};
+
+/* Check if only one bit set */
+static int ath10k_check_single_mask(u32 mask)
+{
+ int bit;
+
+ bit = ffs(mask);
+ if (!bit)
+ return 0;
+
+ mask &= ~BIT(bit - 1);
+ if (mask)
+ return 2;
+
+ return 1;
+}
+
+static bool
+ath10k_default_bitrate_mask(struct ath10k *ar,
+ enum ieee80211_band band,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ u32 legacy = 0x00ff;
+ u8 ht = 0xff, i;
+ u16 vht = 0x3ff;
+
+ switch (band) {
+ case IEEE80211_BAND_2GHZ:
+ legacy = 0x00fff;
+ vht = 0;
+ break;
+ case IEEE80211_BAND_5GHZ:
+ break;
+ default:
+ return false;
+ }
+
+ if (mask->control[band].legacy != legacy)
+ return false;
+
+ for (i = 0; i < ar->num_rf_chains; i++)
+ if (mask->control[band].ht_mcs[i] != ht)
+ return false;
+
+ for (i = 0; i < ar->num_rf_chains; i++)
+ if (mask->control[band].vht_mcs[i] != vht)
+ return false;
+
+ return true;
+}
+
+static bool
+ath10k_bitrate_mask_nss(const struct cfg80211_bitrate_mask *mask,
+ enum ieee80211_band band,
+ u8 *fixed_nss)
+{
+ int ht_nss = 0, vht_nss = 0, i;
+
+ /* check legacy */
+ if (ath10k_check_single_mask(mask->control[band].legacy))
+ return false;
+
+ /* check HT */
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) {
+ if (mask->control[band].ht_mcs[i] == 0xff)
+ continue;
+ else if (mask->control[band].ht_mcs[i] == 0x00)
+ break;
+ else
+ return false;
+ }
+
+ ht_nss = i;
+
+ /* check VHT */
+ for (i = 0; i < NL80211_VHT_NSS_MAX; i++) {
+ if (mask->control[band].vht_mcs[i] == 0x03ff)
+ continue;
+ else if (mask->control[band].vht_mcs[i] == 0x0000)
+ break;
+ else
+ return false;
+ }
+
+ vht_nss = i;
+
+ if (ht_nss > 0 && vht_nss > 0)
+ return false;
+
+ if (ht_nss)
+ *fixed_nss = ht_nss;
+ else if (vht_nss)
+ *fixed_nss = vht_nss;
+ else
+ return false;
+
+ return true;
+}
+
+static bool
+ath10k_bitrate_mask_correct(const struct cfg80211_bitrate_mask *mask,
+ enum ieee80211_band band,
+ enum wmi_rate_preamble *preamble)
+{
+ int legacy = 0, ht = 0, vht = 0, i;
+
+ *preamble = WMI_RATE_PREAMBLE_OFDM;
+
+ /* check legacy */
+ legacy = ath10k_check_single_mask(mask->control[band].legacy);
+ if (legacy > 1)
+ return false;
+
+ /* check HT */
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
+ ht += ath10k_check_single_mask(mask->control[band].ht_mcs[i]);
+ if (ht > 1)
+ return false;
+
+ /* check VHT */
+ for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
+ vht += ath10k_check_single_mask(mask->control[band].vht_mcs[i]);
+ if (vht > 1)
+ return false;
+
+ /* Currently we support only one fixed_rate */
+ if ((legacy + ht + vht) != 1)
+ return false;
+
+ if (ht)
+ *preamble = WMI_RATE_PREAMBLE_HT;
+ else if (vht)
+ *preamble = WMI_RATE_PREAMBLE_VHT;
+
+ return true;
+}
+
+static bool
+ath10k_bitrate_mask_rate(const struct cfg80211_bitrate_mask *mask,
+ enum ieee80211_band band,
+ u8 *fixed_rate,
+ u8 *fixed_nss)
+{
+ u8 rate = 0, pream = 0, nss = 0, i;
+ enum wmi_rate_preamble preamble;
+
+ /* Check if single rate correct */
+ if (!ath10k_bitrate_mask_correct(mask, band, &preamble))
+ return false;
+
+ pream = preamble;
+
+ switch (preamble) {
+ case WMI_RATE_PREAMBLE_CCK:
+ case WMI_RATE_PREAMBLE_OFDM:
+ i = ffs(mask->control[band].legacy) - 1;
+
+ if (band == IEEE80211_BAND_2GHZ && i < 4)
+ pream = WMI_RATE_PREAMBLE_CCK;
+
+ if (band == IEEE80211_BAND_5GHZ)
+ i += 4;
+
+ if (i >= ARRAY_SIZE(cck_ofdm_rate))
+ return false;
+
+ rate = cck_ofdm_rate[i];
+ break;
+ case WMI_RATE_PREAMBLE_HT:
+ for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++)
+ if (mask->control[band].ht_mcs[i])
+ break;
+
+ if (i == IEEE80211_HT_MCS_MASK_LEN)
+ return false;
+
+ rate = ffs(mask->control[band].ht_mcs[i]) - 1;
+ nss = i;
+ break;
+ case WMI_RATE_PREAMBLE_VHT:
+ for (i = 0; i < NL80211_VHT_NSS_MAX; i++)
+ if (mask->control[band].vht_mcs[i])
+ break;
+
+ if (i == NL80211_VHT_NSS_MAX)
+ return false;
+
+ rate = ffs(mask->control[band].vht_mcs[i]) - 1;
+ nss = i;
+ break;
+ }
+
+ *fixed_nss = nss + 1;
+ nss <<= 4;
+ pream <<= 6;
+
+ ath10k_dbg(ATH10K_DBG_MAC, "mac fixed rate pream 0x%02x nss 0x%02x rate 0x%02x\n",
+ pream, nss, rate);
+
+ *fixed_rate = pream | nss | rate;
+
+ return true;
+}
+
+static bool ath10k_get_fixed_rate_nss(const struct cfg80211_bitrate_mask *mask,
+ enum ieee80211_band band,
+ u8 *fixed_rate,
+ u8 *fixed_nss)
+{
+ /* First check full NSS mask, if we can simply limit NSS */
+ if (ath10k_bitrate_mask_nss(mask, band, fixed_nss))
+ return true;
+
+ /* Next Check single rate is set */
+ return ath10k_bitrate_mask_rate(mask, band, fixed_rate, fixed_nss);
+}
+
+static int ath10k_set_fixed_rate_param(struct ath10k_vif *arvif,
+ u8 fixed_rate,
+ u8 fixed_nss)
+{
+ struct ath10k *ar = arvif->ar;
+ u32 vdev_param;
+ int ret = 0;
+
+ mutex_lock(&ar->conf_mutex);
+
+ if (arvif->fixed_rate == fixed_rate &&
+ arvif->fixed_nss == fixed_nss)
+ goto exit;
+
+ if (fixed_rate == WMI_FIXED_RATE_NONE)
+ ath10k_dbg(ATH10K_DBG_MAC, "mac disable fixed bitrate mask\n");
+
+ vdev_param = ar->wmi.vdev_param->fixed_rate;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ vdev_param, fixed_rate);
+ if (ret) {
+ ath10k_warn("Could not set fixed_rate param 0x%02x: %d\n",
+ fixed_rate, ret);
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ arvif->fixed_rate = fixed_rate;
+
+ vdev_param = ar->wmi.vdev_param->nss;
+ ret = ath10k_wmi_vdev_set_param(ar, arvif->vdev_id,
+ vdev_param, fixed_nss);
+
+ if (ret) {
+ ath10k_warn("Could not set fixed_nss param %d: %d\n",
+ fixed_nss, ret);
+ ret = -EINVAL;
+ goto exit;
+ }
+
+ arvif->fixed_nss = fixed_nss;
+
+exit:
+ mutex_unlock(&ar->conf_mutex);
+ return ret;
+}
+
+static int ath10k_set_bitrate_mask(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const struct cfg80211_bitrate_mask *mask)
+{
+ struct ath10k_vif *arvif = ath10k_vif_to_arvif(vif);
+ struct ath10k *ar = arvif->ar;
+ enum ieee80211_band band = ar->hw->conf.chandef.chan->band;
+ u8 fixed_rate = WMI_FIXED_RATE_NONE;
+ u8 fixed_nss = ar->num_rf_chains;
+
+ if (!ath10k_default_bitrate_mask(ar, band, mask)) {
+ if (!ath10k_get_fixed_rate_nss(mask, band,
+ &fixed_rate,
+ &fixed_nss))
+ return -EINVAL;
+ }
+
+ return ath10k_set_fixed_rate_param(arvif, fixed_rate, fixed_nss);
+}
+
static const struct ieee80211_ops ath10k_ops = {
.tx = ath10k_tx,
.start = ath10k_start,
@@ -3117,6 +3662,7 @@ static const struct ieee80211_ops ath10k_ops = {
.tx_last_beacon = ath10k_tx_last_beacon,
.restart_complete = ath10k_restart_complete,
.get_survey = ath10k_get_survey,
+ .set_bitrate_mask = ath10k_set_bitrate_mask,
#ifdef CONFIG_PM
.suspend = ath10k_suspend,
.resume = ath10k_resume,
@@ -3249,12 +3795,37 @@ static const struct ieee80211_iface_limit ath10k_if_limits[] = {
},
};
-static const struct ieee80211_iface_combination ath10k_if_comb = {
- .limits = ath10k_if_limits,
- .n_limits = ARRAY_SIZE(ath10k_if_limits),
- .max_interfaces = 8,
- .num_different_channels = 1,
- .beacon_int_infra_match = true,
+static const struct ieee80211_iface_limit ath10k_10x_if_limits[] = {
+ {
+ .max = 8,
+ .types = BIT(NL80211_IFTYPE_AP)
+ },
+};
+
+static const struct ieee80211_iface_combination ath10k_if_comb[] = {
+ {
+ .limits = ath10k_if_limits,
+ .n_limits = ARRAY_SIZE(ath10k_if_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+ },
+};
+
+static const struct ieee80211_iface_combination ath10k_10x_if_comb[] = {
+ {
+ .limits = ath10k_10x_if_limits,
+ .n_limits = ARRAY_SIZE(ath10k_10x_if_limits),
+ .max_interfaces = 8,
+ .num_different_channels = 1,
+ .beacon_int_infra_match = true,
+#ifdef CONFIG_ATH10K_DFS_CERTIFIED
+ .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) |
+ BIT(NL80211_CHAN_WIDTH_20) |
+ BIT(NL80211_CHAN_WIDTH_40) |
+ BIT(NL80211_CHAN_WIDTH_80),
+#endif
+ },
};
static struct ieee80211_sta_vht_cap ath10k_create_vht_cap(struct ath10k *ar)
@@ -3433,9 +4004,12 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_ADHOC) |
- BIT(NL80211_IFTYPE_AP) |
- BIT(NL80211_IFTYPE_P2P_CLIENT) |
- BIT(NL80211_IFTYPE_P2P_GO);
+ BIT(NL80211_IFTYPE_AP);
+
+ if (!test_bit(ATH10K_FW_FEATURE_NO_P2P, ar->fw_features))
+ ar->hw->wiphy->interface_modes |=
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO);
ar->hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_SUPPORTS_PS |
@@ -3465,7 +4039,6 @@ int ath10k_mac_register(struct ath10k *ar)
ar->hw->vif_data_size = sizeof(struct ath10k_vif);
- ar->hw->channel_change_time = 5000;
ar->hw->max_listen_interval = ATH10K_MAX_HW_LISTEN_INTERVAL;
ar->hw->wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
@@ -3478,11 +4051,28 @@ int ath10k_mac_register(struct ath10k *ar)
*/
ar->hw->queues = 4;
- ar->hw->wiphy->iface_combinations = &ath10k_if_comb;
- ar->hw->wiphy->n_iface_combinations = 1;
+ if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
+ ar->hw->wiphy->iface_combinations = ath10k_10x_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_10x_if_comb);
+ } else {
+ ar->hw->wiphy->iface_combinations = ath10k_if_comb;
+ ar->hw->wiphy->n_iface_combinations =
+ ARRAY_SIZE(ath10k_if_comb);
+ }
ar->hw->netdev_features = NETIF_F_HW_CSUM;
+ if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED)) {
+ /* Init ath dfs pattern detector */
+ ar->ath_common.debug_mask = ATH_DBG_DFS;
+ ar->dfs_detector = dfs_pattern_detector_init(&ar->ath_common,
+ NL80211_DFS_UNSET);
+
+ if (!ar->dfs_detector)
+ ath10k_warn("dfs pattern detector init failed\n");
+ }
+
ret = ath_regd_init(&ar->ath_common.regulatory, ar->hw->wiphy,
ath10k_reg_notifier);
if (ret) {
@@ -3518,6 +4108,9 @@ void ath10k_mac_unregister(struct ath10k *ar)
{
ieee80211_unregister_hw(ar->hw);
+ if (config_enabled(CONFIG_ATH10K_DFS_CERTIFIED) && ar->dfs_detector)
+ ar->dfs_detector->exit(ar->dfs_detector);
+
kfree(ar->mac.sbands[IEEE80211_BAND_2GHZ].channels);
kfree(ar->mac.sbands[IEEE80211_BAND_5GHZ].channels);