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path: root/drivers/net/wireless/rsi/rsi_91x_mac80211.c
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Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_mac80211.c')
-rw-r--r--drivers/net/wireless/rsi/rsi_91x_mac80211.c1229
1 files changed, 1037 insertions, 192 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
index 021e5ac5f107..f3a853edfc11 100644
--- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c
+++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c
@@ -1,4 +1,4 @@
-/**
+/*
* Copyright (c) 2014 Redpine Signals Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
@@ -17,7 +17,9 @@
#include <linux/etherdevice.h>
#include "rsi_debugfs.h"
#include "rsi_mgmt.h"
+#include "rsi_sdio.h"
#include "rsi_common.h"
+#include "rsi_ps.h"
static const struct ieee80211_channel rsi_2ghz_channels[] = {
{ .band = NL80211_BAND_2GHZ, .center_freq = 2412,
@@ -121,6 +123,49 @@ const u16 rsi_mcsrates[8] = {
RSI_RATE_MCS4, RSI_RATE_MCS5, RSI_RATE_MCS6, RSI_RATE_MCS7
};
+static const u32 rsi_max_ap_stas[16] = {
+ 32, /* 1 - Wi-Fi alone */
+ 0, /* 2 */
+ 0, /* 3 */
+ 0, /* 4 - BT EDR alone */
+ 4, /* 5 - STA + BT EDR */
+ 32, /* 6 - AP + BT EDR */
+ 0, /* 7 */
+ 0, /* 8 - BT LE alone */
+ 4, /* 9 - STA + BE LE */
+ 0, /* 10 */
+ 0, /* 11 */
+ 0, /* 12 */
+ 1, /* 13 - STA + BT Dual */
+ 4, /* 14 - AP + BT Dual */
+};
+
+static const struct ieee80211_iface_limit rsi_iface_limits[] = {
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_STATION),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO),
+ },
+ {
+ .max = 1,
+ .types = BIT(NL80211_IFTYPE_P2P_DEVICE),
+ },
+};
+
+static const struct ieee80211_iface_combination rsi_iface_combinations[] = {
+ {
+ .num_different_channels = 1,
+ .max_interfaces = 3,
+ .limits = rsi_iface_limits,
+ .n_limits = ARRAY_SIZE(rsi_iface_limits),
+ },
+};
+
/**
* rsi_is_cipher_wep() - This function determines if the cipher is WEP or not.
* @common: Pointer to the driver private structure.
@@ -143,27 +188,27 @@ bool rsi_is_cipher_wep(struct rsi_common *common)
* @adapter: Pointer to the adapter structure.
* @band: Operating band to be set.
*
- * Return: None.
+ * Return: int - 0 on success, negative error on failure.
*/
-static void rsi_register_rates_channels(struct rsi_hw *adapter, int band)
+static int rsi_register_rates_channels(struct rsi_hw *adapter, int band)
{
struct ieee80211_supported_band *sbands = &adapter->sbands[band];
void *channels = NULL;
if (band == NL80211_BAND_2GHZ) {
- channels = kmalloc(sizeof(rsi_2ghz_channels), GFP_KERNEL);
- memcpy(channels,
- rsi_2ghz_channels,
- sizeof(rsi_2ghz_channels));
+ channels = kmemdup(rsi_2ghz_channels, sizeof(rsi_2ghz_channels),
+ GFP_KERNEL);
+ if (!channels)
+ return -ENOMEM;
sbands->band = NL80211_BAND_2GHZ;
sbands->n_channels = ARRAY_SIZE(rsi_2ghz_channels);
sbands->bitrates = rsi_rates;
sbands->n_bitrates = ARRAY_SIZE(rsi_rates);
} else {
- channels = kmalloc(sizeof(rsi_5ghz_channels), GFP_KERNEL);
- memcpy(channels,
- rsi_5ghz_channels,
- sizeof(rsi_5ghz_channels));
+ channels = kmemdup(rsi_5ghz_channels, sizeof(rsi_5ghz_channels),
+ GFP_KERNEL);
+ if (!channels)
+ return -ENOMEM;
sbands->band = NL80211_BAND_5GHZ;
sbands->n_channels = ARRAY_SIZE(rsi_5ghz_channels);
sbands->bitrates = &rsi_rates[4];
@@ -182,6 +227,69 @@ static void rsi_register_rates_channels(struct rsi_hw *adapter, int band)
sbands->ht_cap.mcs.rx_mask[0] = 0xff;
sbands->ht_cap.mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
/* sbands->ht_cap.mcs.rx_highest = 0x82; */
+ return 0;
+}
+
+static int rsi_mac80211_hw_scan_start(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *hw_req)
+{
+ struct cfg80211_scan_request *scan_req = &hw_req->req;
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ rsi_dbg(INFO_ZONE, "***** Hardware scan start *****\n");
+ common->mac_ops_resumed = false;
+
+ if (common->fsm_state != FSM_MAC_INIT_DONE)
+ return -ENODEV;
+
+ if ((common->wow_flags & RSI_WOW_ENABLED) ||
+ scan_req->n_channels == 0)
+ return -EINVAL;
+
+ /* Scan already in progress. So return */
+ if (common->bgscan_en)
+ return -EBUSY;
+
+ /* If STA is not connected, return with special value 1, in order
+ * to start sw_scan in mac80211
+ */
+ if (!vif->cfg.assoc)
+ return 1;
+
+ mutex_lock(&common->mutex);
+ common->hwscan = scan_req;
+ if (!rsi_send_bgscan_params(common, RSI_START_BGSCAN)) {
+ if (!rsi_send_bgscan_probe_req(common, vif)) {
+ rsi_dbg(INFO_ZONE, "Background scan started...\n");
+ common->bgscan_en = true;
+ }
+ }
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+static void rsi_mac80211_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+ struct cfg80211_scan_info info;
+
+ rsi_dbg(INFO_ZONE, "***** Hardware scan stop *****\n");
+ mutex_lock(&common->mutex);
+
+ if (common->bgscan_en) {
+ if (!rsi_send_bgscan_params(common, RSI_STOP_BGSCAN))
+ common->bgscan_en = false;
+ info.aborted = false;
+ ieee80211_scan_completed(adapter->hw, &info);
+ rsi_dbg(INFO_ZONE, "Back ground scan cancelled\n");
+ }
+ common->hwscan = NULL;
+ mutex_unlock(&common->mutex);
}
/**
@@ -200,6 +308,7 @@ void rsi_mac80211_detach(struct rsi_hw *adapter)
ieee80211_stop_queues(hw);
ieee80211_unregister_hw(hw);
ieee80211_free_hw(hw);
+ adapter->hw = NULL;
}
for (band = 0; band < NUM_NL80211_BANDS; band++) {
@@ -229,12 +338,20 @@ void rsi_indicate_tx_status(struct rsi_hw *adapter,
int status)
{
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+ struct skb_info *tx_params;
- memset(info->driver_data, 0, IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
+ if (!adapter->hw) {
+ rsi_dbg(ERR_ZONE, "##### No MAC #####\n");
+ return;
+ }
if (!status)
info->flags |= IEEE80211_TX_STAT_ACK;
+ tx_params = (struct skb_info *)info->driver_data;
+ skb_pull(skb, tx_params->internal_hdr_size);
+ memset(info->driver_data, 0, IEEE80211_TX_INFO_DRIVER_DATA_SIZE);
+
ieee80211_tx_status_irqsafe(adapter->hw, skb);
}
@@ -254,6 +371,10 @@ static void rsi_mac80211_tx(struct ieee80211_hw *hw,
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ struct ieee80211_hdr *wlh = (struct ieee80211_hdr *)skb->data;
+
+ if (ieee80211_is_auth(wlh->frame_control))
+ common->mac_ops_resumed = false;
rsi_core_xmit(common, skb);
}
@@ -271,11 +392,17 @@ static int rsi_mac80211_start(struct ieee80211_hw *hw)
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ rsi_dbg(ERR_ZONE, "===> Interface UP <===\n");
mutex_lock(&common->mutex);
+ if (common->hibernate_resume) {
+ common->reinit_hw = true;
+ adapter->host_intf_ops->reinit_device(adapter);
+ wait_for_completion(&adapter->priv->wlan_init_completion);
+ }
common->iface_down = false;
- mutex_unlock(&common->mutex);
-
+ wiphy_rfkill_start_polling(hw->wiphy);
rsi_send_rx_filter_frame(common, 0);
+ mutex_unlock(&common->mutex);
return 0;
}
@@ -283,19 +410,44 @@ static int rsi_mac80211_start(struct ieee80211_hw *hw)
/**
* rsi_mac80211_stop() - This is the last handler that 802.11 module calls.
* @hw: Pointer to the ieee80211_hw structure.
+ * @suspend: true if the this was called from suspend flow.
*
* Return: None.
*/
-static void rsi_mac80211_stop(struct ieee80211_hw *hw)
+static void rsi_mac80211_stop(struct ieee80211_hw *hw, bool suspend)
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ rsi_dbg(ERR_ZONE, "===> Interface DOWN <===\n");
mutex_lock(&common->mutex);
common->iface_down = true;
+ wiphy_rfkill_stop_polling(hw->wiphy);
+
+ /* Block all rx frames */
+ rsi_send_rx_filter_frame(common, 0xffff);
+
mutex_unlock(&common->mutex);
}
+static int rsi_map_intf_mode(enum nl80211_iftype vif_type)
+{
+ switch (vif_type) {
+ case NL80211_IFTYPE_STATION:
+ return RSI_OPMODE_STA;
+ case NL80211_IFTYPE_AP:
+ return RSI_OPMODE_AP;
+ case NL80211_IFTYPE_P2P_DEVICE:
+ return RSI_OPMODE_P2P_CLIENT;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ return RSI_OPMODE_P2P_CLIENT;
+ case NL80211_IFTYPE_P2P_GO:
+ return RSI_OPMODE_P2P_GO;
+ default:
+ return RSI_OPMODE_UNSUPPORTED;
+ }
+}
+
/**
* rsi_mac80211_add_interface() - This function is called when a netdevice
* attached to the hardware is enabled.
@@ -309,27 +461,62 @@ static int rsi_mac80211_add_interface(struct ieee80211_hw *hw,
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
- int ret = -EOPNOTSUPP;
+ struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv;
+ enum opmode intf_mode;
+ enum vap_status vap_status;
+ int vap_idx = -1, i;
+ vif->driver_flags |= IEEE80211_VIF_SUPPORTS_UAPSD;
mutex_lock(&common->mutex);
- switch (vif->type) {
- case NL80211_IFTYPE_STATION:
- if (!adapter->sc_nvifs) {
- ++adapter->sc_nvifs;
- adapter->vifs[0] = vif;
- ret = rsi_set_vap_capabilities(common,
- STA_OPMODE,
- VAP_ADD);
- }
- break;
- default:
+
+ intf_mode = rsi_map_intf_mode(vif->type);
+ if (intf_mode == RSI_OPMODE_UNSUPPORTED) {
rsi_dbg(ERR_ZONE,
"%s: Interface type %d not supported\n", __func__,
vif->type);
+ mutex_unlock(&common->mutex);
+ return -EOPNOTSUPP;
+ }
+ if ((vif->type == NL80211_IFTYPE_P2P_DEVICE) ||
+ (vif->type == NL80211_IFTYPE_P2P_CLIENT) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO))
+ common->p2p_enabled = true;
+
+ /* Get free vap index */
+ for (i = 0; i < RSI_MAX_VIFS; i++) {
+ if (!adapter->vifs[i] ||
+ !memcmp(vif->addr, adapter->vifs[i]->addr, ETH_ALEN)) {
+ vap_idx = i;
+ break;
+ }
+ }
+ if (vap_idx < 0) {
+ rsi_dbg(ERR_ZONE, "Reject: Max VAPs reached\n");
+ mutex_unlock(&common->mutex);
+ return -EOPNOTSUPP;
}
+ vif_info->vap_id = vap_idx;
+ adapter->vifs[vap_idx] = vif;
+ adapter->sc_nvifs++;
+ vap_status = VAP_ADD;
+
+ if (rsi_set_vap_capabilities(common, intf_mode, vif->addr,
+ vif_info->vap_id, vap_status)) {
+ rsi_dbg(ERR_ZONE, "Failed to set VAP capabilities\n");
+ mutex_unlock(&common->mutex);
+ return -EINVAL;
+ }
+
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ rsi_send_rx_filter_frame(common, DISALLOW_BEACONS);
+ for (i = 0; i < common->max_stations; i++)
+ common->stations[i].sta = NULL;
+ }
+
mutex_unlock(&common->mutex);
- return ret;
+ return 0;
}
/**
@@ -345,15 +532,34 @@ static void rsi_mac80211_remove_interface(struct ieee80211_hw *hw,
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ enum opmode opmode;
+ int i;
+
+ rsi_dbg(INFO_ZONE, "Remove Interface Called\n");
mutex_lock(&common->mutex);
- if (vif->type == NL80211_IFTYPE_STATION) {
- adapter->sc_nvifs--;
- rsi_set_vap_capabilities(common, STA_OPMODE, VAP_DELETE);
+
+ if (adapter->sc_nvifs <= 0) {
+ mutex_unlock(&common->mutex);
+ return;
}
- if (!memcmp(adapter->vifs[0], vif, sizeof(struct ieee80211_vif)))
- adapter->vifs[0] = NULL;
+ opmode = rsi_map_intf_mode(vif->type);
+ if (opmode == RSI_OPMODE_UNSUPPORTED) {
+ rsi_dbg(ERR_ZONE, "Opmode error : %d\n", opmode);
+ mutex_unlock(&common->mutex);
+ return;
+ }
+ for (i = 0; i < RSI_MAX_VIFS; i++) {
+ if (!adapter->vifs[i])
+ continue;
+ if (vif == adapter->vifs[i]) {
+ rsi_set_vap_capabilities(common, opmode, vif->addr,
+ i, VAP_DELETE);
+ adapter->sc_nvifs--;
+ adapter->vifs[i] = NULL;
+ }
+ }
mutex_unlock(&common->mutex);
}
@@ -372,35 +578,42 @@ static int rsi_channel_change(struct ieee80211_hw *hw)
int status = -EOPNOTSUPP;
struct ieee80211_channel *curchan = hw->conf.chandef.chan;
u16 channel = curchan->hw_value;
- struct ieee80211_bss_conf *bss = &adapter->vifs[0]->bss_conf;
+ struct ieee80211_vif *vif;
+ bool assoc = false;
+ int i;
rsi_dbg(INFO_ZONE,
"%s: Set channel: %d MHz type: %d channel_no %d\n",
__func__, curchan->center_freq,
curchan->flags, channel);
- if (bss->assoc) {
+ for (i = 0; i < RSI_MAX_VIFS; i++) {
+ vif = adapter->vifs[i];
+ if (!vif)
+ continue;
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ if (vif->cfg.assoc) {
+ assoc = true;
+ break;
+ }
+ }
+ }
+ if (assoc) {
if (!common->hw_data_qs_blocked &&
- (rsi_get_connected_channel(adapter) != channel)) {
+ (rsi_get_connected_channel(vif) != channel)) {
rsi_dbg(INFO_ZONE, "blk data q %d\n", channel);
if (!rsi_send_block_unblock_frame(common, true))
common->hw_data_qs_blocked = true;
}
}
- status = rsi_band_check(common);
+ status = rsi_band_check(common, curchan);
if (!status)
status = rsi_set_channel(adapter->priv, curchan);
- if (bss->assoc) {
+ if (assoc) {
if (common->hw_data_qs_blocked &&
- (rsi_get_connected_channel(adapter) == channel)) {
- rsi_dbg(INFO_ZONE, "unblk data q %d\n", channel);
- if (!rsi_send_block_unblock_frame(common, false))
- common->hw_data_qs_blocked = false;
- }
- } else {
- if (common->hw_data_qs_blocked) {
+ (rsi_get_connected_channel(vif) == channel)) {
rsi_dbg(INFO_ZONE, "unblk data q %d\n", channel);
if (!rsi_send_block_unblock_frame(common, false))
common->hw_data_qs_blocked = false;
@@ -443,15 +656,18 @@ static int rsi_config_power(struct ieee80211_hw *hw)
* requests. The stack calls this function to
* change hardware configuration, e.g., channel.
* @hw: Pointer to the ieee80211_hw structure.
+ * @radio_idx: Radio index.
* @changed: Changed flags set.
*
* Return: 0 on success, negative error code on failure.
*/
static int rsi_mac80211_config(struct ieee80211_hw *hw,
+ int radio_idx,
u32 changed)
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ struct ieee80211_conf *conf = &hw->conf;
int status = -EOPNOTSUPP;
mutex_lock(&common->mutex);
@@ -465,6 +681,47 @@ static int rsi_mac80211_config(struct ieee80211_hw *hw,
status = rsi_config_power(hw);
}
+ /* Power save parameters */
+ if ((changed & IEEE80211_CONF_CHANGE_PS) &&
+ !common->mac_ops_resumed) {
+ struct ieee80211_vif *vif, *sta_vif = NULL;
+ unsigned long flags;
+ int i, set_ps = 1;
+
+ for (i = 0; i < RSI_MAX_VIFS; i++) {
+ vif = adapter->vifs[i];
+ if (!vif)
+ continue;
+ /* Don't go to power save if AP vap exists */
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ set_ps = 0;
+ break;
+ }
+ if ((vif->type == NL80211_IFTYPE_STATION ||
+ vif->type == NL80211_IFTYPE_P2P_CLIENT) &&
+ (!sta_vif || vif->cfg.assoc))
+ sta_vif = vif;
+ }
+ if (set_ps && sta_vif) {
+ spin_lock_irqsave(&adapter->ps_lock, flags);
+ if (conf->flags & IEEE80211_CONF_PS)
+ rsi_enable_ps(adapter, sta_vif);
+ else
+ rsi_disable_ps(adapter, sta_vif);
+ spin_unlock_irqrestore(&adapter->ps_lock, flags);
+ }
+ }
+
+ /* RTS threshold */
+ if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
+ rsi_dbg(INFO_ZONE, "RTS threshold\n");
+ if ((common->rts_threshold) <= IEEE80211_MAX_RTS_THRESHOLD) {
+ rsi_dbg(INFO_ZONE,
+ "%s: Sending vap updates....\n", __func__);
+ status = rsi_send_vap_dynamic_update(common);
+ }
+ }
mutex_unlock(&common->mutex);
return status;
@@ -473,20 +730,46 @@ static int rsi_mac80211_config(struct ieee80211_hw *hw,
/**
* rsi_get_connected_channel() - This function is used to get the current
* connected channel number.
- * @adapter: Pointer to the adapter structure.
+ * @vif: Pointer to the ieee80211_vif structure.
*
* Return: Current connected AP's channel number is returned.
*/
-u16 rsi_get_connected_channel(struct rsi_hw *adapter)
+u16 rsi_get_connected_channel(struct ieee80211_vif *vif)
{
- struct ieee80211_vif *vif = adapter->vifs[0];
- if (vif) {
- struct ieee80211_bss_conf *bss = &vif->bss_conf;
- struct ieee80211_channel *channel = bss->chandef.chan;
- return channel->hw_value;
- }
+ struct ieee80211_bss_conf *bss;
+ struct ieee80211_channel *channel;
- return 0;
+ if (!vif)
+ return 0;
+
+ bss = &vif->bss_conf;
+ channel = bss->chanreq.oper.chan;
+
+ if (!channel)
+ return 0;
+
+ return channel->hw_value;
+}
+
+static void rsi_switch_channel(struct rsi_hw *adapter,
+ struct ieee80211_vif *vif)
+{
+ struct rsi_common *common = adapter->priv;
+ struct ieee80211_channel *channel;
+
+ if (common->iface_down)
+ return;
+ if (!vif)
+ return;
+
+ channel = vif->bss_conf.chanreq.oper.chan;
+
+ if (!channel)
+ return;
+
+ rsi_band_check(common, channel);
+ rsi_set_channel(common, channel);
+ rsi_dbg(INFO_ZONE, "Switched to channel - %d\n", channel->hw_value);
}
/**
@@ -503,17 +786,19 @@ u16 rsi_get_connected_channel(struct rsi_hw *adapter)
static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
- u32 changed)
+ u64 changed)
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ struct ieee80211_bss_conf *bss = &vif->bss_conf;
+ struct ieee80211_conf *conf = &hw->conf;
u16 rx_filter_word = 0;
mutex_lock(&common->mutex);
if (changed & BSS_CHANGED_ASSOC) {
rsi_dbg(INFO_ZONE, "%s: Changed Association status: %d\n",
- __func__, bss_conf->assoc);
- if (bss_conf->assoc) {
+ __func__, vif->cfg.assoc);
+ if (vif->cfg.assoc) {
/* Send the RX filter frame */
rx_filter_word = (ALLOW_DATA_ASSOC_PEER |
ALLOW_CTRL_ASSOC_PEER |
@@ -521,27 +806,72 @@ static void rsi_mac80211_bss_info_changed(struct ieee80211_hw *hw,
rsi_send_rx_filter_frame(common, rx_filter_word);
}
rsi_inform_bss_status(common,
- bss_conf->assoc,
+ RSI_OPMODE_STA,
+ vif->cfg.assoc,
bss_conf->bssid,
bss_conf->qos,
- bss_conf->aid);
+ vif->cfg.aid,
+ NULL, 0,
+ bss_conf->assoc_capability, vif);
+ adapter->ps_info.dtim_interval_duration = bss->dtim_period;
+ adapter->ps_info.listen_interval = conf->listen_interval;
+
+ /* If U-APSD is updated, send ps parameters to firmware */
+ if (vif->cfg.assoc) {
+ if (common->uapsd_bitmap) {
+ rsi_dbg(INFO_ZONE, "Configuring UAPSD\n");
+ rsi_conf_uapsd(adapter, vif);
+ }
+ } else {
+ common->uapsd_bitmap = 0;
+ }
}
if (changed & BSS_CHANGED_CQM) {
common->cqm_info.last_cqm_event_rssi = 0;
common->cqm_info.rssi_thold = bss_conf->cqm_rssi_thold;
common->cqm_info.rssi_hyst = bss_conf->cqm_rssi_hyst;
- rsi_dbg(INFO_ZONE, "RSSI throld & hysteresis are: %d %d\n",
+ rsi_dbg(INFO_ZONE, "RSSI threshold & hysteresis are: %d %d\n",
common->cqm_info.rssi_thold,
common->cqm_info.rssi_hyst);
}
+
+ if (changed & BSS_CHANGED_BEACON_INT) {
+ rsi_dbg(INFO_ZONE, "%s: Changed Beacon interval: %d\n",
+ __func__, bss_conf->beacon_int);
+ if (common->beacon_interval != bss->beacon_int) {
+ common->beacon_interval = bss->beacon_int;
+ if (vif->type == NL80211_IFTYPE_AP) {
+ struct vif_priv *vif_info = (struct vif_priv *)vif->drv_priv;
+
+ rsi_set_vap_capabilities(common, RSI_OPMODE_AP,
+ vif->addr, vif_info->vap_id,
+ VAP_UPDATE);
+ }
+ }
+ adapter->ps_info.listen_interval =
+ bss->beacon_int * adapter->ps_info.num_bcns_per_lis_int;
+ }
+
+ if ((changed & BSS_CHANGED_BEACON_ENABLED) &&
+ ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO))) {
+ if (bss->enable_beacon) {
+ rsi_dbg(INFO_ZONE, "===> BEACON ENABLED <===\n");
+ common->beacon_enabled = 1;
+ } else {
+ rsi_dbg(INFO_ZONE, "===> BEACON DISABLED <===\n");
+ common->beacon_enabled = 0;
+ }
+ }
+
mutex_unlock(&common->mutex);
}
/**
* rsi_mac80211_conf_filter() - This function configure the device's RX filter.
* @hw: Pointer to the ieee80211_hw structure.
- * @changed: Changed flags set.
+ * @changed_flags: Changed flags set.
* @total_flags: Total initial flags set.
* @multicast: Multicast.
*
@@ -562,13 +892,15 @@ static void rsi_mac80211_conf_filter(struct ieee80211_hw *hw,
* for a hardware TX queue.
* @hw: Pointer to the ieee80211_hw structure
* @vif: Pointer to the ieee80211_vif structure.
+ * @link_id: the link ID if MLO is used, otherwise 0
* @queue: Queue number.
* @params: Pointer to ieee80211_tx_queue_params structure.
*
* Return: 0 on success, negative error code on failure.
*/
static int rsi_mac80211_conf_tx(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif, u16 queue,
+ struct ieee80211_vif *vif,
+ unsigned int link_id, u16 queue,
const struct ieee80211_tx_queue_params *params)
{
struct rsi_hw *adapter = hw->priv;
@@ -606,6 +938,12 @@ static int rsi_mac80211_conf_tx(struct ieee80211_hw *hw,
memcpy(&common->edca_params[idx],
params,
sizeof(struct ieee80211_tx_queue_params));
+
+ if (params->uapsd)
+ common->uapsd_bitmap |= idx;
+ else
+ common->uapsd_bitmap &= (~idx);
+
mutex_unlock(&common->mutex);
return 0;
@@ -616,16 +954,20 @@ static int rsi_mac80211_conf_tx(struct ieee80211_hw *hw,
* @hw: Pointer to the ieee80211_hw structure.
* @vif: Pointer to the ieee80211_vif structure.
* @key: Pointer to the ieee80211_key_conf structure.
+ * @sta: Pointer to the ieee80211_sta structure.
*
- * Return: status: 0 on success, -1 on failure.
+ * Return: status: 0 on success, negative error codes on failure.
*/
static int rsi_hal_key_config(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
- struct ieee80211_key_conf *key)
+ struct ieee80211_key_conf *key,
+ struct ieee80211_sta *sta)
{
struct rsi_hw *adapter = hw->priv;
+ struct rsi_sta *rsta = NULL;
int status;
u8 key_type;
+ s16 sta_id = 0;
if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE)
key_type = RSI_PAIRWISE_KEY;
@@ -635,23 +977,49 @@ static int rsi_hal_key_config(struct ieee80211_hw *hw,
rsi_dbg(ERR_ZONE, "%s: Cipher 0x%x key_type: %d key_len: %d\n",
__func__, key->cipher, key_type, key->keylen);
- if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) ||
- (key->cipher == WLAN_CIPHER_SUITE_WEP40)) {
- status = rsi_hal_load_key(adapter->priv,
- key->key,
- key->keylen,
- RSI_PAIRWISE_KEY,
- key->keyidx,
- key->cipher);
- if (status)
- return status;
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ if (sta) {
+ rsta = rsi_find_sta(adapter->priv, sta->addr);
+ if (rsta)
+ sta_id = rsta->sta_id;
+ }
+ adapter->priv->key = key;
+ } else {
+ if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) ||
+ (key->cipher == WLAN_CIPHER_SUITE_WEP40)) {
+ status = rsi_hal_load_key(adapter->priv,
+ key->key,
+ key->keylen,
+ RSI_PAIRWISE_KEY,
+ key->keyidx,
+ key->cipher,
+ sta_id,
+ vif);
+ if (status)
+ return status;
+ }
+ }
+
+ status = rsi_hal_load_key(adapter->priv,
+ key->key,
+ key->keylen,
+ key_type,
+ key->keyidx,
+ key->cipher,
+ sta_id,
+ vif);
+ if (status)
+ return status;
+
+ if (vif->type == NL80211_IFTYPE_STATION &&
+ (key->cipher == WLAN_CIPHER_SUITE_WEP104 ||
+ key->cipher == WLAN_CIPHER_SUITE_WEP40)) {
+ if (!rsi_send_block_unblock_frame(adapter->priv, false))
+ adapter->priv->hw_data_qs_blocked = false;
}
- return rsi_hal_load_key(adapter->priv,
- key->key,
- key->keylen,
- key_type,
- key->keyidx,
- key->cipher);
+
+ return 0;
}
/**
@@ -678,8 +1046,7 @@ static int rsi_mac80211_set_key(struct ieee80211_hw *hw,
mutex_lock(&common->mutex);
switch (cmd) {
case SET_KEY:
- secinfo->security_enable = true;
- status = rsi_hal_key_config(hw, vif, key);
+ status = rsi_hal_key_config(hw, vif, key, sta);
if (status) {
mutex_unlock(&common->mutex);
return status;
@@ -697,10 +1064,9 @@ static int rsi_mac80211_set_key(struct ieee80211_hw *hw,
break;
case DISABLE_KEY:
- secinfo->security_enable = false;
rsi_dbg(ERR_ZONE, "%s: RSI del key\n", __func__);
memset(key, 0, sizeof(struct ieee80211_key_conf));
- status = rsi_hal_key_config(hw, vif, key);
+ status = rsi_hal_key_config(hw, vif, key, sta);
break;
default:
@@ -729,9 +1095,11 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
int status = -EOPNOTSUPP;
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
- u16 seq_no = 0;
+ struct rsi_sta *rsta = NULL;
+ u16 seq_no = 0, seq_start = 0;
u8 ii = 0;
struct ieee80211_sta *sta = params->sta;
+ u8 sta_id = 0;
enum ieee80211_ampdu_mlme_action action = params->action;
u16 tid = params->tid;
u16 *ssn = &params->ssn;
@@ -742,18 +1110,37 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
break;
}
+ if (ii >= RSI_MAX_VIFS)
+ return status;
+
mutex_lock(&common->mutex);
- rsi_dbg(INFO_ZONE, "%s: AMPDU action %d called\n", __func__, action);
+
if (ssn != NULL)
seq_no = *ssn;
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ rsta = rsi_find_sta(common, sta->addr);
+ if (!rsta) {
+ rsi_dbg(ERR_ZONE, "No station mapped\n");
+ status = 0;
+ goto unlock;
+ }
+ sta_id = rsta->sta_id;
+ }
+
+ rsi_dbg(INFO_ZONE,
+ "%s: AMPDU action tid=%d ssn=0x%x, buf_size=%d sta_id=%d\n",
+ __func__, tid, seq_no, buf_size, sta_id);
+
switch (action) {
case IEEE80211_AMPDU_RX_START:
status = rsi_send_aggregation_params_frame(common,
tid,
seq_no,
buf_size,
- STA_RX_ADDBA_DONE);
+ STA_RX_ADDBA_DONE,
+ sta_id);
break;
case IEEE80211_AMPDU_RX_STOP:
@@ -761,13 +1148,18 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
tid,
0,
buf_size,
- STA_RX_DELBA);
+ STA_RX_DELBA,
+ sta_id);
break;
case IEEE80211_AMPDU_TX_START:
- common->vif_info[ii].seq_start = seq_no;
- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- status = 0;
+ if ((vif->type == NL80211_IFTYPE_STATION) ||
+ (vif->type == NL80211_IFTYPE_P2P_CLIENT))
+ common->vif_info[ii].seq_start = seq_no;
+ else if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO))
+ rsta->seq_start[tid] = seq_no;
+ status = IEEE80211_AMPDU_TX_START_IMMEDIATE;
break;
case IEEE80211_AMPDU_TX_STOP_CONT:
@@ -777,25 +1169,33 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
tid,
seq_no,
buf_size,
- STA_TX_DELBA);
+ STA_TX_DELBA,
+ sta_id);
if (!status)
ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
break;
case IEEE80211_AMPDU_TX_OPERATIONAL:
+ if ((vif->type == NL80211_IFTYPE_STATION) ||
+ (vif->type == NL80211_IFTYPE_P2P_CLIENT))
+ seq_start = common->vif_info[ii].seq_start;
+ else if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO))
+ seq_start = rsta->seq_start[tid];
status = rsi_send_aggregation_params_frame(common,
tid,
- common->vif_info[ii]
- .seq_start,
+ seq_start,
buf_size,
- STA_TX_ADDBA_DONE);
+ STA_TX_ADDBA_DONE,
+ sta_id);
break;
default:
- rsi_dbg(ERR_ZONE, "%s: Uknown AMPDU action\n", __func__);
+ rsi_dbg(ERR_ZONE, "%s: Unknown AMPDU action\n", __func__);
break;
}
+unlock:
mutex_unlock(&common->mutex);
return status;
}
@@ -803,12 +1203,13 @@ static int rsi_mac80211_ampdu_action(struct ieee80211_hw *hw,
/**
* rsi_mac80211_set_rts_threshold() - This function sets rts threshold value.
* @hw: Pointer to the ieee80211_hw structure.
+ * @radio_idx: Radio index.
* @value: Rts threshold value.
*
* Return: 0 on success.
*/
static int rsi_mac80211_set_rts_threshold(struct ieee80211_hw *hw,
- u32 value)
+ int radio_idx, u32 value)
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
@@ -832,20 +1233,32 @@ static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
const struct cfg80211_bitrate_mask *mask)
{
+ const unsigned int mcs_offset = ARRAY_SIZE(rsi_rates);
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
- enum nl80211_band band = hw->conf.chandef.chan->band;
+ int i;
mutex_lock(&common->mutex);
- common->fixedrate_mask[band] = 0;
- if (mask->control[band].legacy == 0xfff) {
- common->fixedrate_mask[band] =
- (mask->control[band].ht_mcs[0] << 12);
- } else {
- common->fixedrate_mask[band] =
- mask->control[band].legacy;
+ for (i = 0; i < ARRAY_SIZE(common->rate_config); i++) {
+ struct rsi_rate_config *cfg = &common->rate_config[i];
+ u32 bm;
+
+ bm = mask->control[i].legacy | (mask->control[i].ht_mcs[0] << mcs_offset);
+ if (hweight32(bm) == 1) { /* single rate */
+ int rate_index = ffs(bm) - 1;
+
+ if (rate_index < mcs_offset)
+ cfg->fixed_hw_rate = rsi_rates[rate_index].hw_value;
+ else
+ cfg->fixed_hw_rate = rsi_mcsrates[rate_index - mcs_offset];
+ cfg->fixed_enabled = true;
+ } else {
+ cfg->configured_mask = bm;
+ cfg->fixed_enabled = false;
+ }
}
+
mutex_unlock(&common->mutex);
return 0;
@@ -856,12 +1269,13 @@ static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw,
* @common: Pointer to the driver private structure.
* @bssid: pointer to the bssid.
* @rssi: RSSI value.
+ * @vif: Pointer to the ieee80211_vif structure.
*/
static void rsi_perform_cqm(struct rsi_common *common,
u8 *bssid,
- s8 rssi)
+ s8 rssi,
+ struct ieee80211_vif *vif)
{
- struct rsi_hw *adapter = common->priv;
s8 last_event = common->cqm_info.last_cqm_event_rssi;
int thold = common->cqm_info.rssi_thold;
u32 hyst = common->cqm_info.rssi_hyst;
@@ -877,7 +1291,7 @@ static void rsi_perform_cqm(struct rsi_common *common,
common->cqm_info.last_cqm_event_rssi = rssi;
rsi_dbg(INFO_ZONE, "CQM: Notifying event: %d\n", event);
- ieee80211_cqm_rssi_notify(adapter->vifs[0], event, rssi, GFP_KERNEL);
+ ieee80211_cqm_rssi_notify(vif, event, rssi, GFP_KERNEL);
return;
}
@@ -897,7 +1311,9 @@ static void rsi_fill_rx_status(struct ieee80211_hw *hw,
struct rsi_common *common,
struct ieee80211_rx_status *rxs)
{
- struct ieee80211_bss_conf *bss = &common->priv->vifs[0]->bss_conf;
+ struct rsi_hw *adapter = common->priv;
+ struct ieee80211_vif *vif;
+ struct ieee80211_bss_conf *bss = NULL;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct skb_info *rx_params = (struct skb_info *)info->driver_data;
struct ieee80211_hdr *hdr;
@@ -905,6 +1321,7 @@ static void rsi_fill_rx_status(struct ieee80211_hw *hw,
u8 hdrlen = 0;
u8 channel = rx_params->channel;
s32 freq;
+ int i;
hdr = ((struct ieee80211_hdr *)(skb->data));
hdrlen = ieee80211_hdrlen(hdr->frame_control);
@@ -933,17 +1350,28 @@ static void rsi_fill_rx_status(struct ieee80211_hw *hw,
rxs->flag |= RX_FLAG_IV_STRIPPED;
}
+ for (i = 0; i < RSI_MAX_VIFS; i++) {
+ vif = adapter->vifs[i];
+ if (!vif)
+ continue;
+ if (vif->type == NL80211_IFTYPE_STATION) {
+ bss = &vif->bss_conf;
+ break;
+ }
+ }
+ if (!bss)
+ return;
/* CQM only for connected AP beacons, the RSSI is a weighted avg */
- if (bss->assoc && !(memcmp(bss->bssid, hdr->addr2, ETH_ALEN))) {
+ if (vif->cfg.assoc && !(memcmp(bss->bssid, hdr->addr2, ETH_ALEN))) {
if (ieee80211_is_beacon(hdr->frame_control))
- rsi_perform_cqm(common, hdr->addr2, rxs->signal);
+ rsi_perform_cqm(common, hdr->addr2, rxs->signal, vif);
}
return;
}
/**
- * rsi_indicate_pkt_to_os() - This function sends recieved packet to mac80211.
+ * rsi_indicate_pkt_to_os() - This function sends received packet to mac80211.
* @common: Pointer to the driver private structure.
* @skb: Pointer to the socket buffer structure.
*
@@ -967,46 +1395,6 @@ void rsi_indicate_pkt_to_os(struct rsi_common *common,
ieee80211_rx_irqsafe(hw, skb);
}
-static void rsi_set_min_rate(struct ieee80211_hw *hw,
- struct ieee80211_sta *sta,
- struct rsi_common *common)
-{
- u8 band = hw->conf.chandef.chan->band;
- u8 ii;
- u32 rate_bitmap;
- bool matched = false;
-
- common->bitrate_mask[band] = sta->supp_rates[band];
-
- rate_bitmap = (common->fixedrate_mask[band] & sta->supp_rates[band]);
-
- if (rate_bitmap & 0xfff) {
- /* Find out the min rate */
- for (ii = 0; ii < ARRAY_SIZE(rsi_rates); ii++) {
- if (rate_bitmap & BIT(ii)) {
- common->min_rate = rsi_rates[ii].hw_value;
- matched = true;
- break;
- }
- }
- }
-
- common->vif_info[0].is_ht = sta->ht_cap.ht_supported;
-
- if ((common->vif_info[0].is_ht) && (rate_bitmap >> 12)) {
- for (ii = 0; ii < ARRAY_SIZE(rsi_mcsrates); ii++) {
- if ((rate_bitmap >> 12) & BIT(ii)) {
- common->min_rate = rsi_mcsrates[ii];
- matched = true;
- break;
- }
- }
- }
-
- if (!matched)
- common->min_rate = 0xffff;
-}
-
/**
* rsi_mac80211_sta_add() - This function notifies driver about a peer getting
* connected.
@@ -1014,7 +1402,7 @@ static void rsi_set_min_rate(struct ieee80211_hw *hw,
* @vif: Pointer to the ieee80211_vif structure.
* @sta: Pointer to the ieee80211_sta structure.
*
- * Return: 0 on success, -1 on failure.
+ * Return: 0 on success, negative error codes on failure.
*/
static int rsi_mac80211_sta_add(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
@@ -1022,22 +1410,105 @@ static int rsi_mac80211_sta_add(struct ieee80211_hw *hw,
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ bool sta_exist = false;
+ struct rsi_sta *rsta;
+ int status = 0;
+
+ rsi_dbg(INFO_ZONE, "Station Add: %pM\n", sta->addr);
mutex_lock(&common->mutex);
- rsi_set_min_rate(hw, sta, common);
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ u8 cnt;
+ int sta_idx = -1;
+ int free_index = -1;
+
+ /* Check if max stations reached */
+ if (common->num_stations >= common->max_stations) {
+ rsi_dbg(ERR_ZONE, "Reject: Max Stations exists\n");
+ status = -EOPNOTSUPP;
+ goto unlock;
+ }
+ for (cnt = 0; cnt < common->max_stations; cnt++) {
+ rsta = &common->stations[cnt];
+
+ if (!rsta->sta) {
+ if (free_index < 0)
+ free_index = cnt;
+ continue;
+ }
+ if (!memcmp(rsta->sta->addr, sta->addr, ETH_ALEN)) {
+ rsi_dbg(INFO_ZONE, "Station exists\n");
+ sta_idx = cnt;
+ sta_exist = true;
+ break;
+ }
+ }
+ if (!sta_exist) {
+ if (free_index >= 0)
+ sta_idx = free_index;
+ }
+ if (sta_idx < 0) {
+ rsi_dbg(ERR_ZONE,
+ "%s: Some problem reaching here...\n",
+ __func__);
+ status = -EINVAL;
+ goto unlock;
+ }
+ rsta = &common->stations[sta_idx];
+ rsta->sta = sta;
+ rsta->sta_id = sta_idx;
+ for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++)
+ rsta->start_tx_aggr[cnt] = false;
+ for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++)
+ rsta->seq_start[cnt] = 0;
+ if (!sta_exist) {
+ rsi_dbg(INFO_ZONE, "New Station\n");
+
+ /* Send peer notify to device */
+ rsi_dbg(INFO_ZONE, "Indicate bss status to device\n");
+ rsi_inform_bss_status(common, RSI_OPMODE_AP, 1,
+ sta->addr, sta->wme, sta->aid,
+ sta, sta_idx, 0, vif);
+
+ if (common->key) {
+ struct ieee80211_key_conf *key = common->key;
+
+ if ((key->cipher == WLAN_CIPHER_SUITE_WEP104) ||
+ (key->cipher == WLAN_CIPHER_SUITE_WEP40))
+ rsi_hal_load_key(adapter->priv,
+ key->key,
+ key->keylen,
+ RSI_PAIRWISE_KEY,
+ key->keyidx,
+ key->cipher,
+ sta_idx,
+ vif);
+ }
- if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ||
- (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)) {
- common->vif_info[0].sgi = true;
+ common->num_stations++;
+ }
}
- if (sta->ht_cap.ht_supported)
- ieee80211_start_tx_ba_session(sta, 0, 0);
+ if ((vif->type == NL80211_IFTYPE_STATION) ||
+ (vif->type == NL80211_IFTYPE_P2P_CLIENT)) {
+ common->bitrate_mask[common->band] = sta->deflink.supp_rates[common->band];
+ common->vif_info[0].is_ht = sta->deflink.ht_cap.ht_supported;
+ if (sta->deflink.ht_cap.ht_supported) {
+ common->bitrate_mask[NL80211_BAND_2GHZ] =
+ sta->deflink.supp_rates[NL80211_BAND_2GHZ];
+ if ((sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ||
+ (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_SGI_40))
+ common->vif_info[0].sgi = true;
+ ieee80211_start_tx_ba_session(sta, 0, 0);
+ }
+ }
+unlock:
mutex_unlock(&common->mutex);
- return 0;
+ return status;
}
/**
@@ -1047,7 +1518,7 @@ static int rsi_mac80211_sta_add(struct ieee80211_hw *hw,
* @vif: Pointer to the ieee80211_vif structure.
* @sta: Pointer to the ieee80211_sta structure.
*
- * Return: 0 on success, -1 on failure.
+ * Return: 0 on success, negative error codes on failure.
*/
static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
@@ -1055,21 +1526,57 @@ static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw,
{
struct rsi_hw *adapter = hw->priv;
struct rsi_common *common = adapter->priv;
+ struct ieee80211_bss_conf *bss = &vif->bss_conf;
+ struct rsi_sta *rsta;
+
+ rsi_dbg(INFO_ZONE, "Station Remove: %pM\n", sta->addr);
mutex_lock(&common->mutex);
- /* Resetting all the fields to default values */
- common->bitrate_mask[NL80211_BAND_2GHZ] = 0;
- common->bitrate_mask[NL80211_BAND_5GHZ] = 0;
- common->min_rate = 0xffff;
- common->vif_info[0].is_ht = false;
- common->vif_info[0].sgi = false;
- common->vif_info[0].seq_start = 0;
- common->secinfo.ptk_cipher = 0;
- common->secinfo.gtk_cipher = 0;
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ u8 sta_idx, cnt;
+
+ /* Send peer notify to device */
+ rsi_dbg(INFO_ZONE, "Indicate bss status to device\n");
+ for (sta_idx = 0; sta_idx < common->max_stations; sta_idx++) {
+ rsta = &common->stations[sta_idx];
+
+ if (!rsta->sta)
+ continue;
+ if (!memcmp(rsta->sta->addr, sta->addr, ETH_ALEN)) {
+ rsi_inform_bss_status(common, RSI_OPMODE_AP, 0,
+ sta->addr, sta->wme,
+ sta->aid, sta, sta_idx,
+ 0, vif);
+ rsta->sta = NULL;
+ rsta->sta_id = -1;
+ for (cnt = 0; cnt < IEEE80211_NUM_TIDS; cnt++)
+ rsta->start_tx_aggr[cnt] = false;
+ if (common->num_stations > 0)
+ common->num_stations--;
+ break;
+ }
+ }
+ if (sta_idx >= common->max_stations)
+ rsi_dbg(ERR_ZONE, "%s: No station found\n", __func__);
+ }
- rsi_send_rx_filter_frame(common, 0);
-
+ if ((vif->type == NL80211_IFTYPE_STATION) ||
+ (vif->type == NL80211_IFTYPE_P2P_CLIENT)) {
+ /* Resetting all the fields to default values */
+ memcpy((u8 *)bss->bssid, (u8 *)sta->addr, ETH_ALEN);
+ bss->qos = sta->wme;
+ common->bitrate_mask[NL80211_BAND_2GHZ] = 0;
+ common->bitrate_mask[NL80211_BAND_5GHZ] = 0;
+ common->vif_info[0].is_ht = false;
+ common->vif_info[0].sgi = false;
+ common->vif_info[0].seq_start = 0;
+ common->secinfo.ptk_cipher = 0;
+ common->secinfo.gtk_cipher = 0;
+ if (!common->iface_down)
+ rsi_send_rx_filter_frame(common, 0);
+ }
mutex_unlock(&common->mutex);
return 0;
@@ -1079,12 +1586,14 @@ static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw,
* rsi_mac80211_set_antenna() - This function is used to configure
* tx and rx antennas.
* @hw: Pointer to the ieee80211_hw structure.
+ * @radio_idx: Radio index
* @tx_ant: Bitmap for tx antenna
* @rx_ant: Bitmap for rx antenna
*
* Return: 0 on success, Negative error code on failure.
*/
static int rsi_mac80211_set_antenna(struct ieee80211_hw *hw,
+ int radio_idx,
u32 tx_ant, u32 rx_ant)
{
struct rsi_hw *adapter = hw->priv;
@@ -1130,12 +1639,14 @@ fail_set_antenna:
* tx and rx antennas.
*
* @hw: Pointer to the ieee80211_hw structure.
+ * @radio_idx: Radio index
* @tx_ant: Bitmap for tx antenna
* @rx_ant: Bitmap for rx antenna
*
- * Return: 0 on success, -1 on failure.
+ * Return: 0 on success, negative error codes on failure.
*/
static int rsi_mac80211_get_antenna(struct ieee80211_hw *hw,
+ int radio_idx,
u32 *tx_ant, u32 *rx_ant)
{
struct rsi_hw *adapter = hw->priv;
@@ -1151,6 +1662,21 @@ static int rsi_mac80211_get_antenna(struct ieee80211_hw *hw,
return 0;
}
+static int rsi_map_region_code(enum nl80211_dfs_regions region_code)
+{
+ switch (region_code) {
+ case NL80211_DFS_FCC:
+ return RSI_REGION_FCC;
+ case NL80211_DFS_ETSI:
+ return RSI_REGION_ETSI;
+ case NL80211_DFS_JP:
+ return RSI_REGION_TELEC;
+ case NL80211_DFS_UNSET:
+ return RSI_REGION_WORLD;
+ }
+ return RSI_REGION_WORLD;
+}
+
static void rsi_reg_notify(struct wiphy *wiphy,
struct regulatory_request *request)
{
@@ -1158,27 +1684,293 @@ static void rsi_reg_notify(struct wiphy *wiphy,
struct ieee80211_channel *ch;
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct rsi_hw * adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
int i;
+
+ mutex_lock(&common->mutex);
+
+ rsi_dbg(INFO_ZONE, "country = %s dfs_region = %d\n",
+ request->alpha2, request->dfs_region);
- sband = wiphy->bands[NL80211_BAND_5GHZ];
+ if (common->num_supp_bands > 1) {
+ sband = wiphy->bands[NL80211_BAND_5GHZ];
+
+ for (i = 0; i < sband->n_channels; i++) {
+ ch = &sband->channels[i];
+ if (ch->flags & IEEE80211_CHAN_DISABLED)
+ continue;
+
+ if (ch->flags & IEEE80211_CHAN_RADAR)
+ ch->flags |= IEEE80211_CHAN_NO_IR;
+ }
+ }
+ adapter->dfs_region = rsi_map_region_code(request->dfs_region);
+ rsi_dbg(INFO_ZONE, "RSI region code = %d\n", adapter->dfs_region);
- for (i = 0; i < sband->n_channels; i++) {
- ch = &sband->channels[i];
- if (ch->flags & IEEE80211_CHAN_DISABLED)
+ adapter->country[0] = request->alpha2[0];
+ adapter->country[1] = request->alpha2[1];
+
+ mutex_unlock(&common->mutex);
+}
+
+static void rsi_mac80211_rfkill_poll(struct ieee80211_hw *hw)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ mutex_lock(&common->mutex);
+ if (common->fsm_state != FSM_MAC_INIT_DONE)
+ wiphy_rfkill_set_hw_state(hw->wiphy, true);
+ else
+ wiphy_rfkill_set_hw_state(hw->wiphy, false);
+ mutex_unlock(&common->mutex);
+}
+
+static void rsi_resume_conn_channel(struct rsi_common *common)
+{
+ struct rsi_hw *adapter = common->priv;
+ struct ieee80211_vif *vif;
+ int cnt;
+
+ for (cnt = 0; cnt < RSI_MAX_VIFS; cnt++) {
+ vif = adapter->vifs[cnt];
+ if (!vif)
continue;
- if (ch->flags & IEEE80211_CHAN_RADAR)
- ch->flags |= IEEE80211_CHAN_NO_IR;
+ if ((vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_P2P_GO)) {
+ rsi_switch_channel(adapter, vif);
+ break;
+ }
+ if (((vif->type == NL80211_IFTYPE_STATION) ||
+ (vif->type == NL80211_IFTYPE_P2P_CLIENT)) &&
+ vif->cfg.assoc) {
+ rsi_switch_channel(adapter, vif);
+ break;
+ }
}
-
- rsi_dbg(INFO_ZONE,
- "country = %s dfs_region = %d\n",
- request->alpha2, request->dfs_region);
- adapter->dfs_region = request->dfs_region;
}
-static struct ieee80211_ops mac80211_ops = {
+void rsi_roc_timeout(struct timer_list *t)
+{
+ struct rsi_common *common = timer_container_of(common, t, roc_timer);
+
+ rsi_dbg(INFO_ZONE, "Remain on channel expired\n");
+
+ mutex_lock(&common->mutex);
+ ieee80211_remain_on_channel_expired(common->priv->hw);
+
+ if (timer_pending(&common->roc_timer))
+ timer_delete(&common->roc_timer);
+
+ rsi_resume_conn_channel(common);
+ mutex_unlock(&common->mutex);
+}
+
+static int rsi_mac80211_roc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_channel *chan, int duration,
+ enum ieee80211_roc_type type)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+ int status = 0;
+
+ rsi_dbg(INFO_ZONE, "***** Remain on channel *****\n");
+
+ mutex_lock(&common->mutex);
+ rsi_dbg(INFO_ZONE, "%s: channel: %d duration: %dms\n",
+ __func__, chan->hw_value, duration);
+
+ if (timer_pending(&common->roc_timer)) {
+ rsi_dbg(INFO_ZONE, "Stop on-going ROC\n");
+ timer_delete(&common->roc_timer);
+ }
+ common->roc_timer.expires = msecs_to_jiffies(duration) + jiffies;
+ add_timer(&common->roc_timer);
+
+ /* Configure band */
+ if (rsi_band_check(common, chan)) {
+ rsi_dbg(ERR_ZONE, "Failed to set band\n");
+ status = -EINVAL;
+ goto out;
+ }
+
+ /* Configure channel */
+ if (rsi_set_channel(common, chan)) {
+ rsi_dbg(ERR_ZONE, "Failed to set the channel\n");
+ status = -EINVAL;
+ goto out;
+ }
+
+ common->roc_vif = vif;
+ ieee80211_ready_on_channel(hw);
+ rsi_dbg(INFO_ZONE, "%s: Ready on channel :%d\n",
+ __func__, chan->hw_value);
+
+out:
+ mutex_unlock(&common->mutex);
+
+ return status;
+}
+
+static int rsi_mac80211_cancel_roc(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ rsi_dbg(INFO_ZONE, "Cancel remain on channel\n");
+
+ mutex_lock(&common->mutex);
+ if (!timer_pending(&common->roc_timer)) {
+ mutex_unlock(&common->mutex);
+ return 0;
+ }
+
+ timer_delete(&common->roc_timer);
+
+ rsi_resume_conn_channel(common);
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static const struct wiphy_wowlan_support rsi_wowlan_support = {
+ .flags = WIPHY_WOWLAN_ANY |
+ WIPHY_WOWLAN_MAGIC_PKT |
+ WIPHY_WOWLAN_DISCONNECT |
+ WIPHY_WOWLAN_GTK_REKEY_FAILURE |
+ WIPHY_WOWLAN_SUPPORTS_GTK_REKEY |
+ WIPHY_WOWLAN_EAP_IDENTITY_REQ |
+ WIPHY_WOWLAN_4WAY_HANDSHAKE,
+};
+
+static u16 rsi_wow_map_triggers(struct rsi_common *common,
+ struct cfg80211_wowlan *wowlan)
+{
+ u16 wow_triggers = 0;
+
+ rsi_dbg(INFO_ZONE, "Mapping wowlan triggers\n");
+
+ if (wowlan->any)
+ wow_triggers |= RSI_WOW_ANY;
+ if (wowlan->magic_pkt)
+ wow_triggers |= RSI_WOW_MAGIC_PKT;
+ if (wowlan->disconnect)
+ wow_triggers |= RSI_WOW_DISCONNECT;
+ if (wowlan->gtk_rekey_failure || wowlan->eap_identity_req ||
+ wowlan->four_way_handshake)
+ wow_triggers |= RSI_WOW_GTK_REKEY;
+
+ return wow_triggers;
+}
+
+int rsi_config_wowlan(struct rsi_hw *adapter, struct cfg80211_wowlan *wowlan)
+{
+ struct rsi_common *common = adapter->priv;
+ struct ieee80211_vif *vif = adapter->vifs[0];
+ u16 triggers = 0;
+ u16 rx_filter_word = 0;
+
+ rsi_dbg(INFO_ZONE, "Config WoWLAN to device\n");
+
+ if (!vif)
+ return -EINVAL;
+
+ if (WARN_ON(!wowlan)) {
+ rsi_dbg(ERR_ZONE, "WoW triggers not enabled\n");
+ return -EINVAL;
+ }
+
+ common->wow_flags |= RSI_WOW_ENABLED;
+ triggers = rsi_wow_map_triggers(common, wowlan);
+ if (!triggers) {
+ rsi_dbg(ERR_ZONE, "%s:No valid WoW triggers\n", __func__);
+ return -EINVAL;
+ }
+ if (!vif->cfg.assoc) {
+ rsi_dbg(ERR_ZONE,
+ "Cannot configure WoWLAN (Station not connected)\n");
+ common->wow_flags |= RSI_WOW_NO_CONNECTION;
+ return 0;
+ }
+ rsi_dbg(INFO_ZONE, "TRIGGERS %x\n", triggers);
+
+ if (common->coex_mode > 1)
+ rsi_disable_ps(adapter, adapter->vifs[0]);
+
+ rsi_send_wowlan_request(common, triggers, 1);
+
+ /**
+ * Increase the beacon_miss threshold & keep-alive timers in
+ * vap_update frame
+ */
+ rsi_send_vap_dynamic_update(common);
+
+ rx_filter_word = (ALLOW_DATA_ASSOC_PEER | DISALLOW_BEACONS);
+ rsi_send_rx_filter_frame(common, rx_filter_word);
+
+ return 0;
+}
+EXPORT_SYMBOL(rsi_config_wowlan);
+
+static int rsi_mac80211_suspend(struct ieee80211_hw *hw,
+ struct cfg80211_wowlan *wowlan)
+{
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ rsi_dbg(INFO_ZONE, "%s: mac80211 suspend\n", __func__);
+ mutex_lock(&common->mutex);
+ if (rsi_config_wowlan(adapter, wowlan)) {
+ rsi_dbg(ERR_ZONE, "Failed to configure WoWLAN\n");
+ mutex_unlock(&common->mutex);
+ return 1;
+ }
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+static int rsi_mac80211_resume(struct ieee80211_hw *hw)
+{
+ u16 rx_filter_word = 0;
+ struct rsi_hw *adapter = hw->priv;
+ struct rsi_common *common = adapter->priv;
+
+ common->wow_flags = 0;
+
+ rsi_dbg(INFO_ZONE, "%s: mac80211 resume\n", __func__);
+
+ if (common->hibernate_resume) {
+ common->mac_ops_resumed = true;
+ /* Device need a complete restart of all MAC operations.
+ * returning 1 will serve this purpose.
+ */
+ return 1;
+ }
+
+ mutex_lock(&common->mutex);
+ rsi_send_wowlan_request(common, 0, 0);
+
+ rx_filter_word = (ALLOW_DATA_ASSOC_PEER | ALLOW_CTRL_ASSOC_PEER |
+ ALLOW_MGMT_ASSOC_PEER);
+ rsi_send_rx_filter_frame(common, rx_filter_word);
+ mutex_unlock(&common->mutex);
+
+ return 0;
+}
+
+#endif
+
+static const struct ieee80211_ops mac80211_ops = {
+ .add_chanctx = ieee80211_emulate_add_chanctx,
+ .remove_chanctx = ieee80211_emulate_remove_chanctx,
+ .change_chanctx = ieee80211_emulate_change_chanctx,
+ .switch_vif_chanctx = ieee80211_emulate_switch_vif_chanctx,
.tx = rsi_mac80211_tx,
+ .wake_tx_queue = ieee80211_handle_wake_tx_queue,
.start = rsi_mac80211_start,
.stop = rsi_mac80211_stop,
.add_interface = rsi_mac80211_add_interface,
@@ -1195,13 +1987,22 @@ static struct ieee80211_ops mac80211_ops = {
.sta_remove = rsi_mac80211_sta_remove,
.set_antenna = rsi_mac80211_set_antenna,
.get_antenna = rsi_mac80211_get_antenna,
+ .rfkill_poll = rsi_mac80211_rfkill_poll,
+ .remain_on_channel = rsi_mac80211_roc,
+ .cancel_remain_on_channel = rsi_mac80211_cancel_roc,
+#ifdef CONFIG_PM
+ .suspend = rsi_mac80211_suspend,
+ .resume = rsi_mac80211_resume,
+#endif
+ .hw_scan = rsi_mac80211_hw_scan_start,
+ .cancel_hw_scan = rsi_mac80211_cancel_hw_scan,
};
/**
* rsi_mac80211_attach() - This function is used to initialize Mac80211 stack.
* @common: Pointer to the driver private structure.
*
- * Return: 0 on success, -1 on failure.
+ * Return: 0 on success, negative error codes on failure.
*/
int rsi_mac80211_attach(struct rsi_common *common)
{
@@ -1229,22 +2030,30 @@ int rsi_mac80211_attach(struct rsi_common *common)
ieee80211_hw_set(hw, SIGNAL_DBM);
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
ieee80211_hw_set(hw, AMPDU_AGGREGATION);
+ ieee80211_hw_set(hw, SUPPORTS_PS);
+ ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
hw->queues = MAX_HW_QUEUES;
hw->extra_tx_headroom = RSI_NEEDED_HEADROOM;
hw->max_rates = 1;
hw->max_rate_tries = MAX_RETRIES;
+ hw->uapsd_queues = RSI_IEEE80211_UAPSD_QUEUES;
+ hw->uapsd_max_sp_len = IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL;
- hw->max_tx_aggregation_subframes = 6;
- rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ);
- rsi_register_rates_channels(adapter, NL80211_BAND_5GHZ);
+ hw->max_tx_aggregation_subframes = RSI_MAX_TX_AGGR_FRMS;
+ hw->max_rx_aggregation_subframes = RSI_MAX_RX_AGGR_FRMS;
hw->rate_control_algorithm = "AARF";
SET_IEEE80211_PERM_ADDR(hw, common->mac_addr);
ether_addr_copy(hw->wiphy->addr_mask, addr_mask);
- wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION);
+ wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_P2P_DEVICE) |
+ BIT(NL80211_IFTYPE_P2P_CLIENT) |
+ BIT(NL80211_IFTYPE_P2P_GO);
+
wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM;
wiphy->retry_short = RETRY_SHORT;
wiphy->retry_long = RETRY_LONG;
@@ -1254,15 +2063,51 @@ int rsi_mac80211_attach(struct rsi_common *common)
wiphy->available_antennas_rx = 1;
wiphy->available_antennas_tx = 1;
+
+ status = rsi_register_rates_channels(adapter, NL80211_BAND_2GHZ);
+ if (status)
+ return status;
wiphy->bands[NL80211_BAND_2GHZ] =
&adapter->sbands[NL80211_BAND_2GHZ];
- wiphy->bands[NL80211_BAND_5GHZ] =
- &adapter->sbands[NL80211_BAND_5GHZ];
+ if (common->num_supp_bands > 1) {
+ status = rsi_register_rates_channels(adapter,
+ NL80211_BAND_5GHZ);
+ if (status)
+ return status;
+ wiphy->bands[NL80211_BAND_5GHZ] =
+ &adapter->sbands[NL80211_BAND_5GHZ];
+ }
+ /* AP Parameters */
+ wiphy->max_ap_assoc_sta = rsi_max_ap_stas[common->oper_mode - 1];
+ common->max_stations = wiphy->max_ap_assoc_sta;
+ rsi_dbg(ERR_ZONE, "Max Stations Allowed = %d\n", common->max_stations);
+ hw->sta_data_size = sizeof(struct rsi_sta);
+
+ wiphy->max_scan_ssids = RSI_MAX_SCAN_SSIDS;
+ wiphy->max_scan_ie_len = RSI_MAX_SCAN_IE_LEN;
+ wiphy->flags = WIPHY_FLAG_REPORTS_OBSS;
+ wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
+ wiphy->features |= NL80211_FEATURE_INACTIVITY_TIMER;
wiphy->reg_notifier = rsi_reg_notify;
+#ifdef CONFIG_PM
+ wiphy->wowlan = &rsi_wowlan_support;
+#endif
+
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+ /* Wi-Fi direct parameters */
+ wiphy->flags |= WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL;
+ wiphy->flags |= WIPHY_FLAG_OFFCHAN_TX;
+ wiphy->max_remain_on_channel_duration = 10000;
+ hw->max_listen_interval = 10;
+ wiphy->iface_combinations = rsi_iface_combinations;
+ wiphy->n_iface_combinations = ARRAY_SIZE(rsi_iface_combinations);
+
+ if (common->coex_mode > 1)
+ wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT;
+
status = ieee80211_register_hw(hw);
if (status)
return status;
generated by cgit (git 2.34.1) at 2025-12-26 06:17:04 +0000