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Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/main.c')
-rw-r--r--drivers/net/wireless/ath/wcn36xx/main.c1691
1 files changed, 1691 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
new file mode 100644
index 000000000..6b8d2889d
--- /dev/null
+++ b/drivers/net/wireless/ath/wcn36xx/main.c
@@ -0,0 +1,1691 @@
+/*
+ * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/module.h>
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+#include <linux/of_address.h>
+#include <linux/of_device.h>
+#include <linux/of_irq.h>
+#include <linux/rpmsg.h>
+#include <linux/soc/qcom/smem_state.h>
+#include <linux/soc/qcom/wcnss_ctrl.h>
+#include <net/ipv6.h>
+#include "wcn36xx.h"
+#include "testmode.h"
+#include "firmware.h"
+
+unsigned int wcn36xx_dbg_mask;
+module_param_named(debug_mask, wcn36xx_dbg_mask, uint, 0644);
+MODULE_PARM_DESC(debug_mask, "Debugging mask");
+
+#define CHAN2G(_freq, _idx) { \
+ .band = NL80211_BAND_2GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_idx), \
+ .max_power = 25, \
+}
+
+#define CHAN5G(_freq, _idx, _phy_val) { \
+ .band = NL80211_BAND_5GHZ, \
+ .center_freq = (_freq), \
+ .hw_value = (_phy_val) << HW_VALUE_PHY_SHIFT | HW_VALUE_CHANNEL(_idx), \
+ .max_power = 25, \
+}
+
+/* The wcn firmware expects channel values to matching
+ * their mnemonic values. So use these for .hw_value. */
+static struct ieee80211_channel wcn_2ghz_channels[] = {
+ CHAN2G(2412, 1), /* Channel 1 */
+ CHAN2G(2417, 2), /* Channel 2 */
+ CHAN2G(2422, 3), /* Channel 3 */
+ CHAN2G(2427, 4), /* Channel 4 */
+ CHAN2G(2432, 5), /* Channel 5 */
+ CHAN2G(2437, 6), /* Channel 6 */
+ CHAN2G(2442, 7), /* Channel 7 */
+ CHAN2G(2447, 8), /* Channel 8 */
+ CHAN2G(2452, 9), /* Channel 9 */
+ CHAN2G(2457, 10), /* Channel 10 */
+ CHAN2G(2462, 11), /* Channel 11 */
+ CHAN2G(2467, 12), /* Channel 12 */
+ CHAN2G(2472, 13), /* Channel 13 */
+ CHAN2G(2484, 14) /* Channel 14 */
+
+};
+
+static struct ieee80211_channel wcn_5ghz_channels[] = {
+ CHAN5G(5180, 36, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW),
+ CHAN5G(5200, 40, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW),
+ CHAN5G(5220, 44, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH),
+ CHAN5G(5240, 48, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH),
+ CHAN5G(5260, 52, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW),
+ CHAN5G(5280, 56, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW),
+ CHAN5G(5300, 60, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH),
+ CHAN5G(5320, 64, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH),
+ CHAN5G(5500, 100, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW),
+ CHAN5G(5520, 104, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW),
+ CHAN5G(5540, 108, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH),
+ CHAN5G(5560, 112, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH),
+ CHAN5G(5580, 116, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW),
+ CHAN5G(5600, 120, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW),
+ CHAN5G(5620, 124, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH),
+ CHAN5G(5640, 128, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH),
+ CHAN5G(5660, 132, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW),
+ CHAN5G(5680, 136, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW),
+ CHAN5G(5700, 140, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH),
+ CHAN5G(5720, 144, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH),
+ CHAN5G(5745, 149, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_LOW),
+ CHAN5G(5765, 153, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_LOW),
+ CHAN5G(5785, 157, PHY_QUADRUPLE_CHANNEL_20MHZ_LOW_40MHZ_HIGH),
+ CHAN5G(5805, 161, PHY_QUADRUPLE_CHANNEL_20MHZ_HIGH_40MHZ_HIGH),
+ CHAN5G(5825, 165, 0)
+};
+
+#define RATE(_bitrate, _hw_rate, _flags) { \
+ .bitrate = (_bitrate), \
+ .flags = (_flags), \
+ .hw_value = (_hw_rate), \
+ .hw_value_short = (_hw_rate) \
+}
+
+static struct ieee80211_rate wcn_2ghz_rates[] = {
+ RATE(10, HW_RATE_INDEX_1MBPS, 0),
+ RATE(20, HW_RATE_INDEX_2MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, HW_RATE_INDEX_5_5MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, HW_RATE_INDEX_11MBPS, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, HW_RATE_INDEX_6MBPS, 0),
+ RATE(90, HW_RATE_INDEX_9MBPS, 0),
+ RATE(120, HW_RATE_INDEX_12MBPS, 0),
+ RATE(180, HW_RATE_INDEX_18MBPS, 0),
+ RATE(240, HW_RATE_INDEX_24MBPS, 0),
+ RATE(360, HW_RATE_INDEX_36MBPS, 0),
+ RATE(480, HW_RATE_INDEX_48MBPS, 0),
+ RATE(540, HW_RATE_INDEX_54MBPS, 0)
+};
+
+static struct ieee80211_rate wcn_5ghz_rates[] = {
+ RATE(60, HW_RATE_INDEX_6MBPS, 0),
+ RATE(90, HW_RATE_INDEX_9MBPS, 0),
+ RATE(120, HW_RATE_INDEX_12MBPS, 0),
+ RATE(180, HW_RATE_INDEX_18MBPS, 0),
+ RATE(240, HW_RATE_INDEX_24MBPS, 0),
+ RATE(360, HW_RATE_INDEX_36MBPS, 0),
+ RATE(480, HW_RATE_INDEX_48MBPS, 0),
+ RATE(540, HW_RATE_INDEX_54MBPS, 0)
+};
+
+static struct ieee80211_supported_band wcn_band_2ghz = {
+ .channels = wcn_2ghz_channels,
+ .n_channels = ARRAY_SIZE(wcn_2ghz_channels),
+ .bitrates = wcn_2ghz_rates,
+ .n_bitrates = ARRAY_SIZE(wcn_2ghz_rates),
+ .ht_cap = {
+ .cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_DSSSCCK40 |
+ IEEE80211_HT_CAP_LSIG_TXOP_PROT |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_SUP_WIDTH_20_40,
+ .ht_supported = true,
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+ .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
+ .mcs = {
+ .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
+ .rx_highest = cpu_to_le16(72),
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
+ }
+ }
+};
+
+static struct ieee80211_supported_band wcn_band_5ghz = {
+ .channels = wcn_5ghz_channels,
+ .n_channels = ARRAY_SIZE(wcn_5ghz_channels),
+ .bitrates = wcn_5ghz_rates,
+ .n_bitrates = ARRAY_SIZE(wcn_5ghz_rates),
+ .ht_cap = {
+ .cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_DSSSCCK40 |
+ IEEE80211_HT_CAP_LSIG_TXOP_PROT |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_SUP_WIDTH_20_40,
+ .ht_supported = true,
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+ .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16,
+ .mcs = {
+ .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, },
+ .rx_highest = cpu_to_le16(150),
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
+ }
+ }
+};
+
+#ifdef CONFIG_PM
+
+static const struct wiphy_wowlan_support wowlan_support = {
+ .flags = WIPHY_WOWLAN_ANY |
+ WIPHY_WOWLAN_MAGIC_PKT |
+ WIPHY_WOWLAN_SUPPORTS_GTK_REKEY
+};
+
+#endif
+
+static inline u8 get_sta_index(struct ieee80211_vif *vif,
+ struct wcn36xx_sta *sta_priv)
+{
+ return NL80211_IFTYPE_STATION == vif->type ?
+ sta_priv->bss_sta_index :
+ sta_priv->sta_index;
+}
+
+static void wcn36xx_feat_caps_info(struct wcn36xx *wcn)
+{
+ int i;
+
+ for (i = 0; i < MAX_FEATURE_SUPPORTED; i++) {
+ if (wcn36xx_firmware_get_feat_caps(wcn->fw_feat_caps, i)) {
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "FW Cap %s\n",
+ wcn36xx_firmware_get_cap_name(i));
+ }
+ }
+}
+
+static int wcn36xx_start(struct ieee80211_hw *hw)
+{
+ struct wcn36xx *wcn = hw->priv;
+ int ret;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac start\n");
+
+ /* SMD initialization */
+ ret = wcn36xx_smd_open(wcn);
+ if (ret) {
+ wcn36xx_err("Failed to open smd channel: %d\n", ret);
+ goto out_err;
+ }
+
+ /* Allocate memory pools for Mgmt BD headers and Data BD headers */
+ ret = wcn36xx_dxe_allocate_mem_pools(wcn);
+ if (ret) {
+ wcn36xx_err("Failed to alloc DXE mempool: %d\n", ret);
+ goto out_smd_close;
+ }
+
+ ret = wcn36xx_dxe_alloc_ctl_blks(wcn);
+ if (ret) {
+ wcn36xx_err("Failed to alloc DXE ctl blocks: %d\n", ret);
+ goto out_free_dxe_pool;
+ }
+
+ ret = wcn36xx_smd_load_nv(wcn);
+ if (ret) {
+ wcn36xx_err("Failed to push NV to chip\n");
+ goto out_free_dxe_ctl;
+ }
+
+ ret = wcn36xx_smd_start(wcn);
+ if (ret) {
+ wcn36xx_err("Failed to start chip\n");
+ goto out_free_dxe_ctl;
+ }
+
+ if (!wcn36xx_is_fw_version(wcn, 1, 2, 2, 24)) {
+ ret = wcn36xx_smd_feature_caps_exchange(wcn);
+ if (ret)
+ wcn36xx_warn("Exchange feature caps failed\n");
+ else
+ wcn36xx_feat_caps_info(wcn);
+ }
+
+ /* DMA channel initialization */
+ ret = wcn36xx_dxe_init(wcn);
+ if (ret) {
+ wcn36xx_err("DXE init failed\n");
+ goto out_smd_stop;
+ }
+
+ wcn36xx_debugfs_init(wcn);
+
+ INIT_LIST_HEAD(&wcn->vif_list);
+ spin_lock_init(&wcn->dxe_lock);
+ spin_lock_init(&wcn->survey_lock);
+
+ return 0;
+
+out_smd_stop:
+ wcn36xx_smd_stop(wcn);
+out_free_dxe_ctl:
+ wcn36xx_dxe_free_ctl_blks(wcn);
+out_free_dxe_pool:
+ wcn36xx_dxe_free_mem_pools(wcn);
+out_smd_close:
+ wcn36xx_smd_close(wcn);
+out_err:
+ return ret;
+}
+
+static void wcn36xx_stop(struct ieee80211_hw *hw)
+{
+ struct wcn36xx *wcn = hw->priv;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac stop\n");
+
+ mutex_lock(&wcn->scan_lock);
+ if (wcn->scan_req) {
+ struct cfg80211_scan_info scan_info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(wcn->hw, &scan_info);
+ }
+ wcn->scan_req = NULL;
+ mutex_unlock(&wcn->scan_lock);
+
+ wcn36xx_debugfs_exit(wcn);
+ wcn36xx_smd_stop(wcn);
+ wcn36xx_dxe_deinit(wcn);
+ wcn36xx_smd_close(wcn);
+
+ wcn36xx_dxe_free_mem_pools(wcn);
+ wcn36xx_dxe_free_ctl_blks(wcn);
+}
+
+static void wcn36xx_change_ps(struct wcn36xx *wcn, bool enable)
+{
+ struct ieee80211_vif *vif = NULL;
+ struct wcn36xx_vif *tmp;
+
+ list_for_each_entry(tmp, &wcn->vif_list, list) {
+ vif = wcn36xx_priv_to_vif(tmp);
+ if (enable && !wcn->sw_scan) {
+ if (vif->cfg.ps) /* ps allowed ? */
+ wcn36xx_pmc_enter_bmps_state(wcn, vif);
+ } else {
+ wcn36xx_pmc_exit_bmps_state(wcn, vif);
+ }
+ }
+}
+
+static void wcn36xx_change_opchannel(struct wcn36xx *wcn, int ch)
+{
+ struct ieee80211_vif *vif = NULL;
+ struct wcn36xx_vif *tmp;
+ struct ieee80211_supported_band *band;
+ struct ieee80211_channel *channel = NULL;
+ unsigned long flags;
+ int i, j;
+
+ for (i = 0; i < ARRAY_SIZE(wcn->hw->wiphy->bands); i++) {
+ band = wcn->hw->wiphy->bands[i];
+ if (!band)
+ break;
+ for (j = 0; j < band->n_channels; j++) {
+ if (HW_VALUE_CHANNEL(band->channels[j].hw_value) == ch) {
+ channel = &band->channels[j];
+ break;
+ }
+ }
+ if (channel)
+ break;
+ }
+
+ if (!channel) {
+ wcn36xx_err("Cannot tune to channel %d\n", ch);
+ return;
+ }
+
+ spin_lock_irqsave(&wcn->survey_lock, flags);
+ wcn->band = band;
+ wcn->channel = channel;
+ spin_unlock_irqrestore(&wcn->survey_lock, flags);
+
+ list_for_each_entry(tmp, &wcn->vif_list, list) {
+ vif = wcn36xx_priv_to_vif(tmp);
+ wcn36xx_smd_switch_channel(wcn, vif, ch);
+ }
+
+ return;
+}
+
+static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct wcn36xx *wcn = hw->priv;
+ int ret;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ int ch = WCN36XX_HW_CHANNEL(wcn);
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n",
+ ch);
+
+ if (wcn->sw_scan_opchannel == ch && wcn->sw_scan_channel) {
+ /* If channel is the initial operating channel, we may
+ * want to receive/transmit regular data packets, then
+ * simply stop the scan session and exit PS mode.
+ */
+ if (wcn->sw_scan_channel)
+ wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel);
+ if (wcn->sw_scan_init) {
+ wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN,
+ wcn->sw_scan_vif);
+ }
+ } else if (wcn->sw_scan) {
+ /* A scan is ongoing, do not change the operating
+ * channel, but start a scan session on the channel.
+ */
+ if (wcn->sw_scan_channel)
+ wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel);
+ if (!wcn->sw_scan_init) {
+ /* This can fail if we are unable to notify the
+ * operating channel.
+ */
+ ret = wcn36xx_smd_init_scan(wcn,
+ HAL_SYS_MODE_SCAN,
+ wcn->sw_scan_vif);
+ if (ret) {
+ mutex_unlock(&wcn->conf_mutex);
+ return -EIO;
+ }
+ }
+ wcn36xx_smd_start_scan(wcn, ch);
+ } else {
+ wcn36xx_change_opchannel(wcn, ch);
+ }
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_PS)
+ wcn36xx_change_ps(wcn, hw->conf.flags & IEEE80211_CONF_PS);
+
+ if (changed & IEEE80211_CONF_CHANGE_IDLE) {
+ if (hw->conf.flags & IEEE80211_CONF_IDLE)
+ wcn36xx_smd_enter_imps(wcn);
+ else
+ wcn36xx_smd_exit_imps(wcn);
+ }
+
+ mutex_unlock(&wcn->conf_mutex);
+
+ return 0;
+}
+
+static void wcn36xx_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed,
+ unsigned int *total, u64 multicast)
+{
+ struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp;
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *tmp;
+ struct ieee80211_vif *vif = NULL;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n");
+
+ mutex_lock(&wcn->conf_mutex);
+
+ *total &= FIF_ALLMULTI;
+
+ fp = (void *)(unsigned long)multicast;
+ list_for_each_entry(tmp, &wcn->vif_list, list) {
+ vif = wcn36xx_priv_to_vif(tmp);
+
+ /* FW handles MC filtering only when connected as STA */
+ if (*total & FIF_ALLMULTI)
+ wcn36xx_smd_set_mc_list(wcn, vif, NULL);
+ else if (NL80211_IFTYPE_STATION == vif->type && tmp->sta_assoc)
+ wcn36xx_smd_set_mc_list(wcn, vif, fp);
+ }
+
+ mutex_unlock(&wcn->conf_mutex);
+ kfree(fp);
+}
+
+static u64 wcn36xx_prepare_multicast(struct ieee80211_hw *hw,
+ struct netdev_hw_addr_list *mc_list)
+{
+ struct wcn36xx_hal_rcv_flt_mc_addr_list_type *fp;
+ struct netdev_hw_addr *ha;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac prepare multicast list\n");
+ fp = kzalloc(sizeof(*fp), GFP_ATOMIC);
+ if (!fp) {
+ wcn36xx_err("Out of memory setting filters.\n");
+ return 0;
+ }
+
+ fp->mc_addr_count = 0;
+ /* update multicast filtering parameters */
+ if (netdev_hw_addr_list_count(mc_list) <=
+ WCN36XX_HAL_MAX_NUM_MULTICAST_ADDRESS) {
+ netdev_hw_addr_list_for_each(ha, mc_list) {
+ memcpy(fp->mc_addr[fp->mc_addr_count],
+ ha->addr, ETH_ALEN);
+ fp->mc_addr_count++;
+ }
+ }
+
+ return (u64)(unsigned long)fp;
+}
+
+static void wcn36xx_tx(struct ieee80211_hw *hw,
+ struct ieee80211_tx_control *control,
+ struct sk_buff *skb)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_sta *sta_priv = NULL;
+
+ if (control->sta)
+ sta_priv = wcn36xx_sta_to_priv(control->sta);
+
+ if (wcn36xx_start_tx(wcn, sta_priv, skb))
+ ieee80211_free_txskb(wcn->hw, skb);
+}
+
+static int wcn36xx_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key_conf)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+ struct wcn36xx_sta *sta_priv = sta ? wcn36xx_sta_to_priv(sta) : NULL;
+ int ret = 0;
+ u8 key[WLAN_MAX_KEY_LEN];
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac80211 set key\n");
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "Key: cmd=0x%x algo:0x%x, id:%d, len:%d flags 0x%x\n",
+ cmd, key_conf->cipher, key_conf->keyidx,
+ key_conf->keylen, key_conf->flags);
+ wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "KEY: ",
+ key_conf->key,
+ key_conf->keylen);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ switch (key_conf->cipher) {
+ case WLAN_CIPHER_SUITE_WEP40:
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP40;
+ break;
+ case WLAN_CIPHER_SUITE_WEP104:
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_WEP104;
+ break;
+ case WLAN_CIPHER_SUITE_CCMP:
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_CCMP;
+ break;
+ case WLAN_CIPHER_SUITE_TKIP:
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_TKIP;
+ break;
+ default:
+ wcn36xx_err("Unsupported key type 0x%x\n",
+ key_conf->cipher);
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+ switch (cmd) {
+ case SET_KEY:
+ if (WCN36XX_HAL_ED_TKIP == vif_priv->encrypt_type) {
+ /*
+ * Supplicant is sending key in the wrong order:
+ * Temporal Key (16 b) - TX MIC (8 b) - RX MIC (8 b)
+ * but HW expects it to be in the order as described in
+ * IEEE 802.11 spec (see chapter 11.7) like this:
+ * Temporal Key (16 b) - RX MIC (8 b) - TX MIC (8 b)
+ */
+ memcpy(key, key_conf->key, 16);
+ memcpy(key + 16, key_conf->key + 24, 8);
+ memcpy(key + 24, key_conf->key + 16, 8);
+ } else {
+ memcpy(key, key_conf->key, key_conf->keylen);
+ }
+
+ if (IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags) {
+ sta_priv->is_data_encrypted = true;
+ /* Reconfigure bss with encrypt_type */
+ if (NL80211_IFTYPE_STATION == vif->type) {
+ wcn36xx_smd_config_bss(wcn,
+ vif,
+ sta,
+ sta->addr,
+ true);
+ wcn36xx_smd_config_sta(wcn, vif, sta);
+ }
+
+ wcn36xx_smd_set_stakey(wcn,
+ vif_priv->encrypt_type,
+ key_conf->keyidx,
+ key_conf->keylen,
+ key,
+ get_sta_index(vif, sta_priv));
+ } else {
+ wcn36xx_smd_set_bsskey(wcn,
+ vif_priv->encrypt_type,
+ vif_priv->bss_index,
+ key_conf->keyidx,
+ key_conf->keylen,
+ key);
+
+ if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) ||
+ (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) {
+ list_for_each_entry(sta_priv,
+ &vif_priv->sta_list, list) {
+ sta_priv->is_data_encrypted = true;
+ wcn36xx_smd_set_stakey(wcn,
+ vif_priv->encrypt_type,
+ key_conf->keyidx,
+ key_conf->keylen,
+ key,
+ get_sta_index(vif, sta_priv));
+ }
+ }
+ }
+ break;
+ case DISABLE_KEY:
+ if (!(IEEE80211_KEY_FLAG_PAIRWISE & key_conf->flags)) {
+ if (vif_priv->bss_index != WCN36XX_HAL_BSS_INVALID_IDX)
+ wcn36xx_smd_remove_bsskey(wcn,
+ vif_priv->encrypt_type,
+ vif_priv->bss_index,
+ key_conf->keyidx);
+
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE;
+ } else {
+ sta_priv->is_data_encrypted = false;
+ /* do not remove key if disassociated */
+ if (sta_priv->aid)
+ wcn36xx_smd_remove_stakey(wcn,
+ vif_priv->encrypt_type,
+ key_conf->keyidx,
+ get_sta_index(vif, sta_priv));
+ }
+ break;
+ default:
+ wcn36xx_err("Unsupported key cmd 0x%x\n", cmd);
+ ret = -EOPNOTSUPP;
+ goto out;
+ }
+
+out:
+ mutex_unlock(&wcn->conf_mutex);
+
+ return ret;
+}
+
+static int wcn36xx_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *hw_req)
+{
+ struct wcn36xx *wcn = hw->priv;
+
+ if (!wcn36xx_firmware_get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) {
+ /* fallback to mac80211 software scan */
+ return 1;
+ }
+
+ /* Firmware scan offload is limited to 48 channels, fallback to
+ * software driven scanning otherwise.
+ */
+ if (hw_req->req.n_channels > 48) {
+ wcn36xx_warn("Offload scan aborted, n_channels=%u",
+ hw_req->req.n_channels);
+ return 1;
+ }
+
+ mutex_lock(&wcn->scan_lock);
+ if (wcn->scan_req) {
+ mutex_unlock(&wcn->scan_lock);
+ return -EBUSY;
+ }
+
+ wcn->scan_aborted = false;
+ wcn->scan_req = &hw_req->req;
+
+ mutex_unlock(&wcn->scan_lock);
+
+ wcn36xx_smd_update_channel_list(wcn, &hw_req->req);
+ return wcn36xx_smd_start_hw_scan(wcn, vif, &hw_req->req);
+}
+
+static void wcn36xx_cancel_hw_scan(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct wcn36xx *wcn = hw->priv;
+
+ mutex_lock(&wcn->scan_lock);
+ wcn->scan_aborted = true;
+ mutex_unlock(&wcn->scan_lock);
+
+ if (wcn36xx_firmware_get_feat_caps(wcn->fw_feat_caps, SCAN_OFFLOAD)) {
+ /* ieee80211_scan_completed will be called on FW scan
+ * indication */
+ wcn36xx_smd_stop_hw_scan(wcn);
+ }
+}
+
+static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ const u8 *mac_addr)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_start");
+
+ wcn->sw_scan = true;
+ wcn->sw_scan_vif = vif;
+ wcn->sw_scan_channel = 0;
+ if (vif_priv->sta_assoc)
+ wcn->sw_scan_opchannel = WCN36XX_HW_CHANNEL(wcn);
+ else
+ wcn->sw_scan_opchannel = 0;
+}
+
+static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct wcn36xx *wcn = hw->priv;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "sw_scan_complete");
+
+ /* ensure that any scan session is finished */
+ if (wcn->sw_scan_channel)
+ wcn36xx_smd_end_scan(wcn, wcn->sw_scan_channel);
+ if (wcn->sw_scan_init) {
+ wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN,
+ wcn->sw_scan_vif);
+ }
+ wcn->sw_scan = false;
+ wcn->sw_scan_opchannel = 0;
+}
+
+static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta,
+ enum nl80211_band band)
+{
+ int i, size;
+ u16 *rates_table;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
+ u32 rates = sta->deflink.supp_rates[band];
+
+ memset(&sta_priv->supported_rates, 0,
+ sizeof(sta_priv->supported_rates));
+ sta_priv->supported_rates.op_rate_mode = STA_11n;
+
+ size = ARRAY_SIZE(sta_priv->supported_rates.dsss_rates);
+ rates_table = sta_priv->supported_rates.dsss_rates;
+ if (band == NL80211_BAND_2GHZ) {
+ for (i = 0; i < size; i++) {
+ if (rates & 0x01) {
+ rates_table[i] = wcn_2ghz_rates[i].hw_value;
+ rates = rates >> 1;
+ }
+ }
+ }
+
+ size = ARRAY_SIZE(sta_priv->supported_rates.ofdm_rates);
+ rates_table = sta_priv->supported_rates.ofdm_rates;
+ for (i = 0; i < size; i++) {
+ if (rates & 0x01) {
+ rates_table[i] = wcn_5ghz_rates[i].hw_value;
+ rates = rates >> 1;
+ }
+ }
+
+ if (sta->deflink.ht_cap.ht_supported) {
+ BUILD_BUG_ON(sizeof(sta->deflink.ht_cap.mcs.rx_mask) >
+ sizeof(sta_priv->supported_rates.supported_mcs_set));
+ memcpy(sta_priv->supported_rates.supported_mcs_set,
+ sta->deflink.ht_cap.mcs.rx_mask,
+ sizeof(sta->deflink.ht_cap.mcs.rx_mask));
+ }
+
+ if (sta->deflink.vht_cap.vht_supported) {
+ sta_priv->supported_rates.op_rate_mode = STA_11ac;
+ sta_priv->supported_rates.vht_rx_mcs_map =
+ sta->deflink.vht_cap.vht_mcs.rx_mcs_map;
+ sta_priv->supported_rates.vht_tx_mcs_map =
+ sta->deflink.vht_cap.vht_mcs.tx_mcs_map;
+ }
+}
+
+void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates)
+{
+ u16 ofdm_rates[WCN36XX_HAL_NUM_OFDM_RATES] = {
+ HW_RATE_INDEX_6MBPS,
+ HW_RATE_INDEX_9MBPS,
+ HW_RATE_INDEX_12MBPS,
+ HW_RATE_INDEX_18MBPS,
+ HW_RATE_INDEX_24MBPS,
+ HW_RATE_INDEX_36MBPS,
+ HW_RATE_INDEX_48MBPS,
+ HW_RATE_INDEX_54MBPS
+ };
+ u16 dsss_rates[WCN36XX_HAL_NUM_DSSS_RATES] = {
+ HW_RATE_INDEX_1MBPS,
+ HW_RATE_INDEX_2MBPS,
+ HW_RATE_INDEX_5_5MBPS,
+ HW_RATE_INDEX_11MBPS
+ };
+
+ rates->op_rate_mode = STA_11n;
+ memcpy(rates->dsss_rates, dsss_rates,
+ sizeof(*dsss_rates) * WCN36XX_HAL_NUM_DSSS_RATES);
+ memcpy(rates->ofdm_rates, ofdm_rates,
+ sizeof(*ofdm_rates) * WCN36XX_HAL_NUM_OFDM_RATES);
+ rates->supported_mcs_set[0] = 0xFF;
+}
+
+void wcn36xx_set_default_rates_v1(struct wcn36xx_hal_supported_rates_v1 *rates)
+{
+ rates->op_rate_mode = STA_11ac;
+ rates->vht_rx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9;
+ rates->vht_tx_mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9;
+}
+
+static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u64 changed)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct sk_buff *skb = NULL;
+ u16 tim_off, tim_len;
+ enum wcn36xx_hal_link_state link_state;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%llx\n",
+ vif, changed);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ if (changed & BSS_CHANGED_BEACON_INFO) {
+ wcn36xx_dbg(WCN36XX_DBG_MAC,
+ "mac bss changed dtim period %d\n",
+ bss_conf->dtim_period);
+
+ vif_priv->dtim_period = bss_conf->dtim_period;
+ }
+
+ if (changed & BSS_CHANGED_BSSID) {
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed_bssid %pM\n",
+ bss_conf->bssid);
+
+ if (!is_zero_ether_addr(bss_conf->bssid)) {
+ vif_priv->is_joining = true;
+ vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
+ wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr,
+ WCN36XX_HAL_LINK_PREASSOC_STATE);
+ wcn36xx_smd_join(wcn, bss_conf->bssid,
+ vif->addr, WCN36XX_HW_CHANNEL(wcn));
+ wcn36xx_smd_config_bss(wcn, vif, NULL,
+ bss_conf->bssid, false);
+ } else {
+ vif_priv->is_joining = false;
+ wcn36xx_smd_delete_bss(wcn, vif);
+ wcn36xx_smd_set_link_st(wcn, bss_conf->bssid, vif->addr,
+ WCN36XX_HAL_LINK_IDLE_STATE);
+ vif_priv->encrypt_type = WCN36XX_HAL_ED_NONE;
+ }
+ }
+
+ if (changed & BSS_CHANGED_SSID) {
+ wcn36xx_dbg(WCN36XX_DBG_MAC,
+ "mac bss changed ssid\n");
+ wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ",
+ vif->cfg.ssid, vif->cfg.ssid_len);
+
+ vif_priv->ssid.length = vif->cfg.ssid_len;
+ memcpy(&vif_priv->ssid.ssid,
+ vif->cfg.ssid,
+ vif->cfg.ssid_len);
+ }
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ vif_priv->is_joining = false;
+ if (vif->cfg.assoc) {
+ struct ieee80211_sta *sta;
+ struct wcn36xx_sta *sta_priv;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC,
+ "mac assoc bss %pM vif %pM AID=%d\n",
+ bss_conf->bssid,
+ vif->addr,
+ vif->cfg.aid);
+
+ vif_priv->sta_assoc = true;
+
+ /*
+ * Holding conf_mutex ensures mutal exclusion with
+ * wcn36xx_sta_remove() and as such ensures that sta
+ * won't be freed while we're operating on it. As such
+ * we do not need to hold the rcu_read_lock().
+ */
+ sta = ieee80211_find_sta(vif, bss_conf->bssid);
+ if (!sta) {
+ wcn36xx_err("sta %pM is not found\n",
+ bss_conf->bssid);
+ goto out;
+ }
+ sta_priv = wcn36xx_sta_to_priv(sta);
+
+ wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));
+
+ wcn36xx_smd_set_link_st(wcn, bss_conf->bssid,
+ vif->addr,
+ WCN36XX_HAL_LINK_POSTASSOC_STATE);
+ wcn36xx_smd_config_bss(wcn, vif, sta,
+ bss_conf->bssid,
+ true);
+ sta_priv->aid = vif->cfg.aid;
+ /*
+ * config_sta must be called from because this is the
+ * place where AID is available.
+ */
+ wcn36xx_smd_config_sta(wcn, vif, sta);
+ if (vif->type == NL80211_IFTYPE_STATION)
+ wcn36xx_smd_add_beacon_filter(wcn, vif);
+ wcn36xx_enable_keep_alive_null_packet(wcn, vif);
+ } else {
+ wcn36xx_dbg(WCN36XX_DBG_MAC,
+ "disassociated bss %pM vif %pM AID=%d\n",
+ bss_conf->bssid,
+ vif->addr,
+ vif->cfg.aid);
+ vif_priv->sta_assoc = false;
+ wcn36xx_smd_set_link_st(wcn,
+ bss_conf->bssid,
+ vif->addr,
+ WCN36XX_HAL_LINK_IDLE_STATE);
+ }
+ }
+
+ if (changed & BSS_CHANGED_AP_PROBE_RESP) {
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss changed ap probe resp\n");
+ skb = ieee80211_proberesp_get(hw, vif);
+ if (!skb) {
+ wcn36xx_err("failed to alloc probereq skb\n");
+ goto out;
+ }
+
+ wcn36xx_smd_update_proberesp_tmpl(wcn, vif, skb);
+ dev_kfree_skb(skb);
+ }
+
+ if (changed & BSS_CHANGED_BEACON_ENABLED ||
+ changed & BSS_CHANGED_BEACON) {
+ wcn36xx_dbg(WCN36XX_DBG_MAC,
+ "mac bss changed beacon enabled %d\n",
+ bss_conf->enable_beacon);
+
+ if (bss_conf->enable_beacon) {
+ vif_priv->dtim_period = bss_conf->dtim_period;
+ vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
+ wcn36xx_smd_config_bss(wcn, vif, NULL,
+ vif->addr, false);
+ skb = ieee80211_beacon_get_tim(hw, vif, &tim_off,
+ &tim_len, 0);
+ if (!skb) {
+ wcn36xx_err("failed to alloc beacon skb\n");
+ goto out;
+ }
+ wcn36xx_smd_send_beacon(wcn, vif, skb, tim_off, 0);
+ dev_kfree_skb(skb);
+
+ if (vif->type == NL80211_IFTYPE_ADHOC ||
+ vif->type == NL80211_IFTYPE_MESH_POINT)
+ link_state = WCN36XX_HAL_LINK_IBSS_STATE;
+ else
+ link_state = WCN36XX_HAL_LINK_AP_STATE;
+
+ wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr,
+ link_state);
+ } else {
+ wcn36xx_smd_delete_bss(wcn, vif);
+ wcn36xx_smd_set_link_st(wcn, vif->addr, vif->addr,
+ WCN36XX_HAL_LINK_IDLE_STATE);
+ }
+ }
+out:
+
+ mutex_unlock(&wcn->conf_mutex);
+}
+
+/* this is required when using IEEE80211_HW_HAS_RATE_CONTROL */
+static int wcn36xx_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
+{
+ struct wcn36xx *wcn = hw->priv;
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac set RTS threshold %d\n", value);
+
+ mutex_lock(&wcn->conf_mutex);
+ wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value);
+ mutex_unlock(&wcn->conf_mutex);
+
+ return 0;
+}
+
+static void wcn36xx_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ list_del(&vif_priv->list);
+ wcn36xx_smd_delete_sta_self(wcn, vif->addr);
+
+ mutex_unlock(&wcn->conf_mutex);
+}
+
+static int wcn36xx_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac add interface vif %p type %d\n",
+ vif, vif->type);
+
+ if (!(NL80211_IFTYPE_STATION == vif->type ||
+ NL80211_IFTYPE_AP == vif->type ||
+ NL80211_IFTYPE_ADHOC == vif->type ||
+ NL80211_IFTYPE_MESH_POINT == vif->type)) {
+ wcn36xx_warn("Unsupported interface type requested: %d\n",
+ vif->type);
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&wcn->conf_mutex);
+
+ vif_priv->bss_index = WCN36XX_HAL_BSS_INVALID_IDX;
+ INIT_LIST_HEAD(&vif_priv->sta_list);
+ list_add(&vif_priv->list, &wcn->vif_list);
+ wcn36xx_smd_add_sta_self(wcn, vif);
+
+ mutex_unlock(&wcn->conf_mutex);
+
+ return 0;
+}
+
+static int wcn36xx_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n",
+ vif, sta->addr);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ spin_lock_init(&sta_priv->ampdu_lock);
+ sta_priv->vif = vif_priv;
+ list_add(&sta_priv->list, &vif_priv->sta_list);
+
+ /*
+ * For STA mode HW will be configured on BSS_CHANGED_ASSOC because
+ * at this stage AID is not available yet.
+ */
+ if (NL80211_IFTYPE_STATION != vif->type) {
+ wcn36xx_update_allowed_rates(sta, WCN36XX_BAND(wcn));
+ sta_priv->aid = sta->aid;
+ wcn36xx_smd_config_sta(wcn, vif, sta);
+ }
+
+ mutex_unlock(&wcn->conf_mutex);
+
+ return 0;
+}
+
+static int wcn36xx_sta_remove(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(sta);
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n",
+ vif, sta->addr, sta_priv->sta_index);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ list_del(&sta_priv->list);
+ wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index);
+ sta_priv->vif = NULL;
+
+ mutex_unlock(&wcn->conf_mutex);
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+
+static struct ieee80211_vif *wcn36xx_get_first_assoc_vif(struct wcn36xx *wcn)
+{
+ struct wcn36xx_vif *vif_priv = NULL;
+ struct ieee80211_vif *vif = NULL;
+
+ list_for_each_entry(vif_priv, &wcn->vif_list, list) {
+ if (vif_priv->sta_assoc) {
+ vif = wcn36xx_priv_to_vif(vif_priv);
+ break;
+ }
+ }
+ return vif;
+}
+
+static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct ieee80211_vif *vif = NULL;
+ int ret = 0;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n");
+
+ mutex_lock(&wcn->conf_mutex);
+
+ vif = wcn36xx_get_first_assoc_vif(wcn);
+ if (vif) {
+ ret = wcn36xx_smd_arp_offload(wcn, vif, true);
+ if (ret)
+ goto out;
+ ret = wcn36xx_smd_ipv6_ns_offload(wcn, vif, true);
+ if (ret)
+ goto out;
+ ret = wcn36xx_smd_gtk_offload(wcn, vif, true);
+ if (ret)
+ goto out;
+ ret = wcn36xx_smd_set_power_params(wcn, true);
+ if (ret)
+ goto out;
+ ret = wcn36xx_smd_wlan_host_suspend_ind(wcn);
+ }
+
+ /* Disable IRQ, we don't want to handle any packet before mac80211 is
+ * resumed and ready to receive packets.
+ */
+ disable_irq(wcn->tx_irq);
+ disable_irq(wcn->rx_irq);
+
+out:
+ mutex_unlock(&wcn->conf_mutex);
+ return ret;
+}
+
+static int wcn36xx_resume(struct ieee80211_hw *hw)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct ieee80211_vif *vif = NULL;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n");
+
+ mutex_lock(&wcn->conf_mutex);
+ vif = wcn36xx_get_first_assoc_vif(wcn);
+ if (vif) {
+ wcn36xx_smd_host_resume(wcn);
+ wcn36xx_smd_set_power_params(wcn, false);
+ wcn36xx_smd_gtk_offload_get_info(wcn, vif);
+ wcn36xx_smd_gtk_offload(wcn, vif, false);
+ wcn36xx_smd_ipv6_ns_offload(wcn, vif, false);
+ wcn36xx_smd_arp_offload(wcn, vif, false);
+ }
+
+ enable_irq(wcn->tx_irq);
+ enable_irq(wcn->rx_irq);
+
+ mutex_unlock(&wcn->conf_mutex);
+
+ return 0;
+}
+
+static void wcn36xx_set_rekey_data(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_gtk_rekey_data *data)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ memcpy(vif_priv->rekey_data.kek, data->kek, NL80211_KEK_LEN);
+ memcpy(vif_priv->rekey_data.kck, data->kck, NL80211_KCK_LEN);
+ vif_priv->rekey_data.replay_ctr =
+ cpu_to_le64(be64_to_cpup((__be64 *)data->replay_ctr));
+ vif_priv->rekey_data.valid = true;
+
+ mutex_unlock(&wcn->conf_mutex);
+}
+
+#endif
+
+static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_ampdu_params *params)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct wcn36xx_sta *sta_priv = wcn36xx_sta_to_priv(params->sta);
+ struct ieee80211_sta *sta = params->sta;
+ enum ieee80211_ampdu_mlme_action action = params->action;
+ u16 tid = params->tid;
+ u16 *ssn = &params->ssn;
+ int ret = 0;
+ int session;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n",
+ action, tid);
+
+ mutex_lock(&wcn->conf_mutex);
+
+ switch (action) {
+ case IEEE80211_AMPDU_RX_START:
+ sta_priv->tid = tid;
+ session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0,
+ get_sta_index(vif, sta_priv));
+ if (session < 0) {
+ ret = session;
+ goto out;
+ }
+ wcn36xx_smd_add_ba(wcn, session);
+ break;
+ case IEEE80211_AMPDU_RX_STOP:
+ wcn36xx_smd_del_ba(wcn, tid, 0, get_sta_index(vif, sta_priv));
+ break;
+ case IEEE80211_AMPDU_TX_START:
+ spin_lock_bh(&sta_priv->ampdu_lock);
+ sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_START;
+ spin_unlock_bh(&sta_priv->ampdu_lock);
+
+ /* Replace the mac80211 ssn with the firmware one */
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu ssn = %u\n", *ssn);
+ wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv), tid, ssn);
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu fw-ssn = %u\n", *ssn);
+
+ /* Start BA session */
+ session = wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1,
+ get_sta_index(vif, sta_priv));
+ if (session < 0) {
+ ret = session;
+ goto out;
+ }
+ ret = IEEE80211_AMPDU_TX_START_IMMEDIATE;
+ break;
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
+ spin_lock_bh(&sta_priv->ampdu_lock);
+ sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_OPERATIONAL;
+ spin_unlock_bh(&sta_priv->ampdu_lock);
+
+ break;
+ case IEEE80211_AMPDU_TX_STOP_FLUSH:
+ case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
+ case IEEE80211_AMPDU_TX_STOP_CONT:
+ spin_lock_bh(&sta_priv->ampdu_lock);
+ sta_priv->ampdu_state[tid] = WCN36XX_AMPDU_NONE;
+ spin_unlock_bh(&sta_priv->ampdu_lock);
+
+ wcn36xx_smd_del_ba(wcn, tid, 1, get_sta_index(vif, sta_priv));
+ ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
+ break;
+ default:
+ wcn36xx_err("Unknown AMPDU action\n");
+ }
+
+out:
+ mutex_unlock(&wcn->conf_mutex);
+
+ return ret;
+}
+
+#if IS_ENABLED(CONFIG_IPV6)
+static void wcn36xx_ipv6_addr_change(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct inet6_dev *idev)
+{
+ struct wcn36xx_vif *vif_priv = wcn36xx_vif_to_priv(vif);
+ struct inet6_ifaddr *ifa;
+ int idx = 0;
+
+ memset(vif_priv->tentative_addrs, 0, sizeof(vif_priv->tentative_addrs));
+
+ read_lock_bh(&idev->lock);
+ list_for_each_entry(ifa, &idev->addr_list, if_list) {
+ vif_priv->target_ipv6_addrs[idx] = ifa->addr;
+ if (ifa->flags & IFA_F_TENTATIVE)
+ __set_bit(idx, vif_priv->tentative_addrs);
+ idx++;
+ if (idx >= WCN36XX_HAL_IPV6_OFFLOAD_ADDR_MAX)
+ break;
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "%pI6 %s\n", &ifa->addr,
+ (ifa->flags & IFA_F_TENTATIVE) ? "tentative" : NULL);
+ }
+ read_unlock_bh(&idev->lock);
+
+ vif_priv->num_target_ipv6_addrs = idx;
+}
+#endif
+
+static void wcn36xx_flush(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ u32 queues, bool drop)
+{
+ struct wcn36xx *wcn = hw->priv;
+
+ if (wcn36xx_dxe_tx_flush(wcn)) {
+ wcn36xx_err("Failed to flush hardware tx queues\n");
+ }
+}
+
+static int wcn36xx_get_survey(struct ieee80211_hw *hw, int idx,
+ struct survey_info *survey)
+{
+ struct wcn36xx *wcn = hw->priv;
+ struct ieee80211_supported_band *sband;
+ struct wcn36xx_chan_survey *chan_survey;
+ int band_idx;
+ unsigned long flags;
+
+ sband = wcn->hw->wiphy->bands[NL80211_BAND_2GHZ];
+ band_idx = idx;
+ if (band_idx >= sband->n_channels) {
+ band_idx -= sband->n_channels;
+ sband = wcn->hw->wiphy->bands[NL80211_BAND_5GHZ];
+ }
+
+ if (!sband || band_idx >= sband->n_channels)
+ return -ENOENT;
+
+ spin_lock_irqsave(&wcn->survey_lock, flags);
+
+ chan_survey = &wcn->chan_survey[idx];
+ survey->channel = &sband->channels[band_idx];
+ survey->noise = chan_survey->rssi - chan_survey->snr;
+ survey->filled = 0;
+
+ if (chan_survey->rssi > -100 && chan_survey->rssi < 0)
+ survey->filled |= SURVEY_INFO_NOISE_DBM;
+
+ if (survey->channel == wcn->channel)
+ survey->filled |= SURVEY_INFO_IN_USE;
+
+ spin_unlock_irqrestore(&wcn->survey_lock, flags);
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC,
+ "ch %d rssi %d snr %d noise %d filled %x freq %d\n",
+ HW_VALUE_CHANNEL(survey->channel->hw_value),
+ chan_survey->rssi, chan_survey->snr, survey->noise,
+ survey->filled, survey->channel->center_freq);
+
+ return 0;
+}
+
+static void wcn36xx_sta_statistics(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, struct station_info *sinfo)
+{
+ struct wcn36xx *wcn;
+ u8 sta_index;
+ int status;
+
+ wcn = hw->priv;
+ sta_index = get_sta_index(vif, wcn36xx_sta_to_priv(sta));
+ status = wcn36xx_smd_get_stats(wcn, sta_index, HAL_GLOBAL_CLASS_A_STATS_INFO, sinfo);
+
+ if (status)
+ wcn36xx_err("wcn36xx_smd_get_stats failed\n");
+}
+
+static const struct ieee80211_ops wcn36xx_ops = {
+ .start = wcn36xx_start,
+ .stop = wcn36xx_stop,
+ .add_interface = wcn36xx_add_interface,
+ .remove_interface = wcn36xx_remove_interface,
+#ifdef CONFIG_PM
+ .suspend = wcn36xx_suspend,
+ .resume = wcn36xx_resume,
+ .set_rekey_data = wcn36xx_set_rekey_data,
+#endif
+ .config = wcn36xx_config,
+ .prepare_multicast = wcn36xx_prepare_multicast,
+ .configure_filter = wcn36xx_configure_filter,
+ .tx = wcn36xx_tx,
+ .set_key = wcn36xx_set_key,
+ .hw_scan = wcn36xx_hw_scan,
+ .cancel_hw_scan = wcn36xx_cancel_hw_scan,
+ .sw_scan_start = wcn36xx_sw_scan_start,
+ .sw_scan_complete = wcn36xx_sw_scan_complete,
+ .bss_info_changed = wcn36xx_bss_info_changed,
+ .set_rts_threshold = wcn36xx_set_rts_threshold,
+ .sta_add = wcn36xx_sta_add,
+ .sta_remove = wcn36xx_sta_remove,
+ .sta_statistics = wcn36xx_sta_statistics,
+ .ampdu_action = wcn36xx_ampdu_action,
+#if IS_ENABLED(CONFIG_IPV6)
+ .ipv6_addr_change = wcn36xx_ipv6_addr_change,
+#endif
+ .flush = wcn36xx_flush,
+ .get_survey = wcn36xx_get_survey,
+
+ CFG80211_TESTMODE_CMD(wcn36xx_tm_cmd)
+};
+
+static void
+wcn36xx_set_ieee80211_vht_caps(struct ieee80211_sta_vht_cap *vht_cap)
+{
+ vht_cap->vht_supported = true;
+
+ vht_cap->cap = (IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 |
+ IEEE80211_VHT_CAP_SHORT_GI_80 |
+ IEEE80211_VHT_CAP_RXSTBC_1 |
+ IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
+ IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE |
+ 3 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT |
+ 7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT);
+
+ vht_cap->vht_mcs.rx_mcs_map =
+ cpu_to_le16(IEEE80211_VHT_MCS_SUPPORT_0_9 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 2 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
+ IEEE80211_VHT_MCS_NOT_SUPPORTED << 14);
+
+ vht_cap->vht_mcs.rx_highest = cpu_to_le16(433);
+ vht_cap->vht_mcs.tx_highest = vht_cap->vht_mcs.rx_highest;
+
+ vht_cap->vht_mcs.tx_mcs_map = vht_cap->vht_mcs.rx_mcs_map;
+}
+
+static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
+{
+ static const u32 cipher_suites[] = {
+ WLAN_CIPHER_SUITE_WEP40,
+ WLAN_CIPHER_SUITE_WEP104,
+ WLAN_CIPHER_SUITE_TKIP,
+ WLAN_CIPHER_SUITE_CCMP,
+ };
+
+ ieee80211_hw_set(wcn->hw, TIMING_BEACON_ONLY);
+ ieee80211_hw_set(wcn->hw, AMPDU_AGGREGATION);
+ ieee80211_hw_set(wcn->hw, SUPPORTS_PS);
+ ieee80211_hw_set(wcn->hw, SIGNAL_DBM);
+ ieee80211_hw_set(wcn->hw, HAS_RATE_CONTROL);
+ ieee80211_hw_set(wcn->hw, SINGLE_SCAN_ON_ALL_BANDS);
+ ieee80211_hw_set(wcn->hw, REPORTS_TX_ACK_STATUS);
+
+ wcn->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_AP) |
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
+
+ wcn->hw->wiphy->bands[NL80211_BAND_2GHZ] = &wcn_band_2ghz;
+ if (wcn->rf_id != RF_IRIS_WCN3620)
+ wcn->hw->wiphy->bands[NL80211_BAND_5GHZ] = &wcn_band_5ghz;
+
+ if (wcn->rf_id == RF_IRIS_WCN3680)
+ wcn36xx_set_ieee80211_vht_caps(&wcn_band_5ghz.vht_cap);
+
+ wcn->hw->wiphy->max_scan_ssids = WCN36XX_MAX_SCAN_SSIDS;
+ wcn->hw->wiphy->max_scan_ie_len = WCN36XX_MAX_SCAN_IE_LEN;
+
+ wcn->hw->wiphy->cipher_suites = cipher_suites;
+ wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
+
+#ifdef CONFIG_PM
+ wcn->hw->wiphy->wowlan = &wowlan_support;
+#endif
+
+ wcn->hw->max_listen_interval = 200;
+
+ wcn->hw->queues = 4;
+
+ SET_IEEE80211_DEV(wcn->hw, wcn->dev);
+
+ wcn->hw->sta_data_size = sizeof(struct wcn36xx_sta);
+ wcn->hw->vif_data_size = sizeof(struct wcn36xx_vif);
+
+ wiphy_ext_feature_set(wcn->hw->wiphy,
+ NL80211_EXT_FEATURE_CQM_RSSI_LIST);
+
+ return 0;
+}
+
+static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
+ struct platform_device *pdev)
+{
+ struct device_node *mmio_node;
+ struct device_node *iris_node;
+ int index;
+ int ret;
+
+ /* Set TX IRQ */
+ ret = platform_get_irq_byname(pdev, "tx");
+ if (ret < 0)
+ return ret;
+ wcn->tx_irq = ret;
+
+ /* Set RX IRQ */
+ ret = platform_get_irq_byname(pdev, "rx");
+ if (ret < 0)
+ return ret;
+ wcn->rx_irq = ret;
+
+ /* Acquire SMSM tx enable handle */
+ wcn->tx_enable_state = qcom_smem_state_get(&pdev->dev,
+ "tx-enable", &wcn->tx_enable_state_bit);
+ if (IS_ERR(wcn->tx_enable_state)) {
+ wcn36xx_err("failed to get tx-enable state\n");
+ return PTR_ERR(wcn->tx_enable_state);
+ }
+
+ /* Acquire SMSM tx rings empty handle */
+ wcn->tx_rings_empty_state = qcom_smem_state_get(&pdev->dev,
+ "tx-rings-empty", &wcn->tx_rings_empty_state_bit);
+ if (IS_ERR(wcn->tx_rings_empty_state)) {
+ wcn36xx_err("failed to get tx-rings-empty state\n");
+ return PTR_ERR(wcn->tx_rings_empty_state);
+ }
+
+ mmio_node = of_parse_phandle(pdev->dev.parent->of_node, "qcom,mmio", 0);
+ if (!mmio_node) {
+ wcn36xx_err("failed to acquire qcom,mmio reference\n");
+ return -EINVAL;
+ }
+
+ wcn->is_pronto = !!of_device_is_compatible(mmio_node, "qcom,pronto");
+
+ /* Map the CCU memory */
+ index = of_property_match_string(mmio_node, "reg-names", "ccu");
+ wcn->ccu_base = of_iomap(mmio_node, index);
+ if (!wcn->ccu_base) {
+ wcn36xx_err("failed to map ccu memory\n");
+ ret = -ENOMEM;
+ goto put_mmio_node;
+ }
+
+ /* Map the DXE memory */
+ index = of_property_match_string(mmio_node, "reg-names", "dxe");
+ wcn->dxe_base = of_iomap(mmio_node, index);
+ if (!wcn->dxe_base) {
+ wcn36xx_err("failed to map dxe memory\n");
+ ret = -ENOMEM;
+ goto unmap_ccu;
+ }
+
+ /* External RF module */
+ iris_node = of_get_child_by_name(mmio_node, "iris");
+ if (iris_node) {
+ if (of_device_is_compatible(iris_node, "qcom,wcn3620"))
+ wcn->rf_id = RF_IRIS_WCN3620;
+ if (of_device_is_compatible(iris_node, "qcom,wcn3660") ||
+ of_device_is_compatible(iris_node, "qcom,wcn3660b"))
+ wcn->rf_id = RF_IRIS_WCN3660;
+ if (of_device_is_compatible(iris_node, "qcom,wcn3680"))
+ wcn->rf_id = RF_IRIS_WCN3680;
+ of_node_put(iris_node);
+ }
+
+ of_node_put(mmio_node);
+ return 0;
+
+unmap_ccu:
+ iounmap(wcn->ccu_base);
+put_mmio_node:
+ of_node_put(mmio_node);
+ return ret;
+}
+
+static int wcn36xx_probe(struct platform_device *pdev)
+{
+ struct ieee80211_hw *hw;
+ struct wcn36xx *wcn;
+ void *wcnss;
+ int ret;
+ const u8 *addr;
+ int n_channels;
+
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n");
+
+ wcnss = dev_get_drvdata(pdev->dev.parent);
+
+ hw = ieee80211_alloc_hw(sizeof(struct wcn36xx), &wcn36xx_ops);
+ if (!hw) {
+ wcn36xx_err("failed to alloc hw\n");
+ ret = -ENOMEM;
+ goto out_err;
+ }
+ platform_set_drvdata(pdev, hw);
+ wcn = hw->priv;
+ wcn->hw = hw;
+ wcn->dev = &pdev->dev;
+ wcn->first_boot = true;
+ mutex_init(&wcn->conf_mutex);
+ mutex_init(&wcn->hal_mutex);
+ mutex_init(&wcn->scan_lock);
+ __skb_queue_head_init(&wcn->amsdu);
+
+ wcn->hal_buf = devm_kmalloc(wcn->dev, WCN36XX_HAL_BUF_SIZE, GFP_KERNEL);
+ if (!wcn->hal_buf) {
+ ret = -ENOMEM;
+ goto out_wq;
+ }
+
+ n_channels = wcn_band_2ghz.n_channels + wcn_band_5ghz.n_channels;
+ wcn->chan_survey = devm_kmalloc(wcn->dev, n_channels, GFP_KERNEL);
+ if (!wcn->chan_survey) {
+ ret = -ENOMEM;
+ goto out_wq;
+ }
+
+ ret = dma_set_mask_and_coherent(wcn->dev, DMA_BIT_MASK(32));
+ if (ret < 0) {
+ wcn36xx_err("failed to set DMA mask: %d\n", ret);
+ goto out_wq;
+ }
+
+ wcn->nv_file = WLAN_NV_FILE;
+ ret = of_property_read_string(wcn->dev->parent->of_node, "firmware-name", &wcn->nv_file);
+ if (ret < 0 && ret != -EINVAL) {
+ wcn36xx_err("failed to read \"firmware-name\" property: %d\n", ret);
+ goto out_wq;
+ }
+
+ wcn->smd_channel = qcom_wcnss_open_channel(wcnss, "WLAN_CTRL", wcn36xx_smd_rsp_process, hw);
+ if (IS_ERR(wcn->smd_channel)) {
+ wcn36xx_err("failed to open WLAN_CTRL channel\n");
+ ret = PTR_ERR(wcn->smd_channel);
+ goto out_wq;
+ }
+
+ addr = of_get_property(pdev->dev.of_node, "local-mac-address", &ret);
+ if (addr && ret != ETH_ALEN) {
+ wcn36xx_err("invalid local-mac-address\n");
+ ret = -EINVAL;
+ goto out_destroy_ept;
+ } else if (addr) {
+ wcn36xx_info("mac address: %pM\n", addr);
+ SET_IEEE80211_PERM_ADDR(wcn->hw, addr);
+ }
+
+ ret = wcn36xx_platform_get_resources(wcn, pdev);
+ if (ret)
+ goto out_destroy_ept;
+
+ wcn36xx_init_ieee80211(wcn);
+ ret = ieee80211_register_hw(wcn->hw);
+ if (ret)
+ goto out_unmap;
+
+ return 0;
+
+out_unmap:
+ iounmap(wcn->ccu_base);
+ iounmap(wcn->dxe_base);
+out_destroy_ept:
+ rpmsg_destroy_ept(wcn->smd_channel);
+out_wq:
+ ieee80211_free_hw(hw);
+out_err:
+ return ret;
+}
+
+static int wcn36xx_remove(struct platform_device *pdev)
+{
+ struct ieee80211_hw *hw = platform_get_drvdata(pdev);
+ struct wcn36xx *wcn = hw->priv;
+ wcn36xx_dbg(WCN36XX_DBG_MAC, "platform remove\n");
+
+ release_firmware(wcn->nv);
+
+ ieee80211_unregister_hw(hw);
+
+ qcom_smem_state_put(wcn->tx_enable_state);
+ qcom_smem_state_put(wcn->tx_rings_empty_state);
+
+ rpmsg_destroy_ept(wcn->smd_channel);
+
+ iounmap(wcn->dxe_base);
+ iounmap(wcn->ccu_base);
+
+ __skb_queue_purge(&wcn->amsdu);
+
+ mutex_destroy(&wcn->hal_mutex);
+ ieee80211_free_hw(hw);
+
+ return 0;
+}
+
+static const struct of_device_id wcn36xx_of_match[] = {
+ { .compatible = "qcom,wcnss-wlan" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, wcn36xx_of_match);
+
+static struct platform_driver wcn36xx_driver = {
+ .probe = wcn36xx_probe,
+ .remove = wcn36xx_remove,
+ .driver = {
+ .name = "wcn36xx",
+ .of_match_table = wcn36xx_of_match,
+ },
+};
+
+module_platform_driver(wcn36xx_driver);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com");
+MODULE_FIRMWARE(WLAN_NV_FILE);