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authorScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
committerScott Wood <scottwood@freescale.com>2014-04-07 23:49:35 (GMT)
commit62b8c978ee6b8d135d9e7953221de58000dba986 (patch)
tree683b04b2e627f6710c22c151b23c8cc9a165315e /drivers/net/wireless/ath/wcn36xx/main.c
parent78fd82238d0e5716578c326404184a27ba67fd6e (diff)
downloadlinux-fsl-qoriq-62b8c978ee6b8d135d9e7953221de58000dba986.tar.xz
Rewind v3.13-rc3+ (78fd82238d0e5716) to v3.12
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/main.c')
-rw-r--r--drivers/net/wireless/ath/wcn36xx/main.c1036
1 files changed, 0 insertions, 1036 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c
deleted file mode 100644
index 7839b31..0000000
--- a/drivers/net/wireless/ath/wcn36xx/main.c
+++ /dev/null
@@ -1,1036 +0,0 @@
-/*
- * 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/platform_device.h>
-#include "wcn36xx.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 = IEEE80211_BAND_2GHZ, \
- .center_freq = (_freq), \
- .hw_value = (_idx), \
- .max_power = 25, \
-}
-
-#define CHAN5G(_freq, _idx) { \
- .band = IEEE80211_BAND_5GHZ, \
- .center_freq = (_freq), \
- .hw_value = (_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),
- CHAN5G(5200, 40),
- CHAN5G(5220, 44),
- CHAN5G(5240, 48),
- CHAN5G(5260, 52),
- CHAN5G(5280, 56),
- CHAN5G(5300, 60),
- CHAN5G(5320, 64),
- CHAN5G(5500, 100),
- CHAN5G(5520, 104),
- CHAN5G(5540, 108),
- CHAN5G(5560, 112),
- CHAN5G(5580, 116),
- CHAN5G(5600, 120),
- CHAN5G(5620, 124),
- CHAN5G(5640, 128),
- CHAN5G(5660, 132),
- CHAN5G(5700, 140),
- CHAN5G(5745, 149),
- CHAN5G(5765, 153),
- CHAN5G(5785, 157),
- CHAN5G(5805, 161),
- CHAN5G(5825, 165)
-};
-
-#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,
- .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(72),
- .tx_params = IEEE80211_HT_MCS_TX_DEFINED,
- }
- }
-};
-
-#ifdef CONFIG_PM
-
-static const struct wiphy_wowlan_support wowlan_support = {
- .flags = WIPHY_WOWLAN_ANY
-};
-
-#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 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;
- }
-
- wcn->hal_buf = kmalloc(WCN36XX_HAL_BUF_SIZE, GFP_KERNEL);
- if (!wcn->hal_buf) {
- wcn36xx_err("Failed to allocate smd buf\n");
- ret = -ENOMEM;
- goto out_free_dxe_ctl;
- }
-
- ret = wcn36xx_smd_load_nv(wcn);
- if (ret) {
- wcn36xx_err("Failed to push NV to chip\n");
- goto out_free_smd_buf;
- }
-
- ret = wcn36xx_smd_start(wcn);
- if (ret) {
- wcn36xx_err("Failed to start chip\n");
- goto out_free_smd_buf;
- }
-
- /* DMA channel initialization */
- ret = wcn36xx_dxe_init(wcn);
- if (ret) {
- wcn36xx_err("DXE init failed\n");
- goto out_smd_stop;
- }
-
- wcn36xx_debugfs_init(wcn);
-
- 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");
- }
- INIT_LIST_HEAD(&wcn->vif_list);
- return 0;
-
-out_smd_stop:
- wcn36xx_smd_stop(wcn);
-out_free_smd_buf:
- kfree(wcn->hal_buf);
-out_free_dxe_pool:
- wcn36xx_dxe_free_mem_pools(wcn);
-out_free_dxe_ctl:
- wcn36xx_dxe_free_ctl_blks(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");
-
- 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);
-
- kfree(wcn->hal_buf);
-}
-
-static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed)
-{
- struct wcn36xx *wcn = hw->priv;
- struct ieee80211_vif *vif = NULL;
- struct wcn36xx_vif *tmp;
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac config changed 0x%08x\n", changed);
-
- if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
- int ch = WCN36XX_HW_CHANNEL(wcn);
- wcn36xx_dbg(WCN36XX_DBG_MAC, "wcn36xx_config channel switch=%d\n",
- ch);
- list_for_each_entry(tmp, &wcn->vif_list, list) {
- vif = container_of((void *)tmp,
- struct ieee80211_vif,
- drv_priv);
- wcn36xx_smd_switch_channel(wcn, vif, ch);
- }
- }
-
- return 0;
-}
-
-#define WCN36XX_SUPPORTED_FILTERS (0)
-
-static void wcn36xx_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed,
- unsigned int *total, u64 multicast)
-{
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac configure filter\n");
-
- *total &= WCN36XX_SUPPORTED_FILTERS;
-}
-
-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 = (struct wcn36xx_sta *)control->sta->drv_priv;
-
- 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 = (struct wcn36xx_vif *)vif->drv_priv;
- struct wcn36xx_sta *sta_priv = vif_priv->sta;
- 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);
-
- 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_WEP40;
- 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_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,
- key_conf->keyidx,
- key_conf->keylen,
- key);
- if ((WLAN_CIPHER_SUITE_WEP40 == key_conf->cipher) ||
- (WLAN_CIPHER_SUITE_WEP104 == key_conf->cipher)) {
- 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)) {
- wcn36xx_smd_remove_bsskey(wcn,
- vif_priv->encrypt_type,
- key_conf->keyidx);
- } 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;
- break;
- }
-
-out:
- return ret;
-}
-
-static void wcn36xx_sw_scan_start(struct ieee80211_hw *hw)
-{
- struct wcn36xx *wcn = hw->priv;
-
- wcn36xx_smd_init_scan(wcn, HAL_SYS_MODE_SCAN);
- wcn36xx_smd_start_scan(wcn);
-}
-
-static void wcn36xx_sw_scan_complete(struct ieee80211_hw *hw)
-{
- struct wcn36xx *wcn = hw->priv;
-
- wcn36xx_smd_end_scan(wcn);
- wcn36xx_smd_finish_scan(wcn, HAL_SYS_MODE_SCAN);
-}
-
-static void wcn36xx_update_allowed_rates(struct ieee80211_sta *sta,
- enum ieee80211_band band)
-{
- int i, size;
- u16 *rates_table;
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
- u32 rates = sta->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 == IEEE80211_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->ht_cap.ht_supported) {
- BUILD_BUG_ON(sizeof(sta->ht_cap.mcs.rx_mask) >
- sizeof(sta_priv->supported_rates.supported_mcs_set));
- memcpy(sta_priv->supported_rates.supported_mcs_set,
- sta->ht_cap.mcs.rx_mask,
- sizeof(sta->ht_cap.mcs.rx_mask));
- }
-}
-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;
-}
-static void wcn36xx_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *bss_conf,
- u32 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 = (struct wcn36xx_vif *)vif->drv_priv;
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac bss info changed vif %p changed 0x%08x\n",
- vif, changed);
-
- 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_PS) {
- wcn36xx_dbg(WCN36XX_DBG_MAC,
- "mac bss PS set %d\n",
- bss_conf->ps);
- if (bss_conf->ps) {
- wcn36xx_pmc_enter_bmps_state(wcn, vif);
- } else {
- wcn36xx_pmc_exit_bmps_state(wcn, vif);
- }
- }
-
- 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 = 0xff;
- 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);
- }
- }
-
- if (changed & BSS_CHANGED_SSID) {
- wcn36xx_dbg(WCN36XX_DBG_MAC,
- "mac bss changed ssid\n");
- wcn36xx_dbg_dump(WCN36XX_DBG_MAC, "ssid ",
- bss_conf->ssid, bss_conf->ssid_len);
-
- vif_priv->ssid.length = bss_conf->ssid_len;
- memcpy(&vif_priv->ssid.ssid,
- bss_conf->ssid,
- bss_conf->ssid_len);
- }
-
- if (changed & BSS_CHANGED_ASSOC) {
- vif_priv->is_joining = false;
- if (bss_conf->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,
- bss_conf->aid);
-
- rcu_read_lock();
- sta = ieee80211_find_sta(vif, bss_conf->bssid);
- if (!sta) {
- wcn36xx_err("sta %pM is not found\n",
- bss_conf->bssid);
- rcu_read_unlock();
- goto out;
- }
- sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
-
- 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 = bss_conf->aid;
- /*
- * config_sta must be called from because this is the
- * place where AID is available.
- */
- wcn36xx_smd_config_sta(wcn, vif, sta);
- rcu_read_unlock();
- } else {
- wcn36xx_dbg(WCN36XX_DBG_MAC,
- "disassociated bss %pM vif %pM AID=%d\n",
- bss_conf->bssid,
- vif->addr,
- bss_conf->aid);
- 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) {
- wcn36xx_dbg(WCN36XX_DBG_MAC,
- "mac bss changed beacon enabled %d\n",
- bss_conf->enable_beacon);
-
- if (bss_conf->enable_beacon) {
- vif_priv->bss_index = 0xff;
- wcn36xx_smd_config_bss(wcn, vif, NULL,
- vif->addr, false);
- skb = ieee80211_beacon_get_tim(hw, vif, &tim_off,
- &tim_len);
- 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_set_link_st(wcn, vif->addr, vif->addr,
- WCN36XX_HAL_LINK_IDLE_STATE);
- wcn36xx_smd_delete_bss(wcn, vif);
- }
- }
-out:
- return;
-}
-
-/* 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);
-
- wcn36xx_smd_update_cfg(wcn, WCN36XX_HAL_CFG_RTS_THRESHOLD, value);
- 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 = (struct wcn36xx_vif *)vif->drv_priv;
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac remove interface vif %p\n", vif);
-
- list_del(&vif_priv->list);
- wcn36xx_smd_delete_sta_self(wcn, vif->addr);
-}
-
-static int wcn36xx_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
-{
- struct wcn36xx *wcn = hw->priv;
- struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
-
- 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;
- }
-
- list_add(&vif_priv->list, &wcn->vif_list);
- wcn36xx_smd_add_sta_self(wcn, vif);
-
- 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 = (struct wcn36xx_vif *)vif->drv_priv;
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta add vif %p sta %pM\n",
- vif, sta->addr);
-
- vif_priv->sta = sta_priv;
- sta_priv->vif = vif_priv;
- /*
- * 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);
- }
- 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_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
- struct wcn36xx_sta *sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac sta remove vif %p sta %pM index %d\n",
- vif, sta->addr, sta_priv->sta_index);
-
- wcn36xx_smd_delete_sta(wcn, sta_priv->sta_index);
- vif_priv->sta = NULL;
- sta_priv->vif = NULL;
- return 0;
-}
-
-#ifdef CONFIG_PM
-
-static int wcn36xx_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wow)
-{
- struct wcn36xx *wcn = hw->priv;
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac suspend\n");
-
- flush_workqueue(wcn->hal_ind_wq);
- wcn36xx_smd_set_power_params(wcn, true);
- return 0;
-}
-
-static int wcn36xx_resume(struct ieee80211_hw *hw)
-{
- struct wcn36xx *wcn = hw->priv;
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac resume\n");
-
- flush_workqueue(wcn->hal_ind_wq);
- wcn36xx_smd_set_power_params(wcn, false);
- return 0;
-}
-
-#endif
-
-static int wcn36xx_ampdu_action(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn,
- u8 buf_size)
-{
- struct wcn36xx *wcn = hw->priv;
- struct wcn36xx_sta *sta_priv = NULL;
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "mac ampdu action action %d tid %d\n",
- action, tid);
-
- sta_priv = (struct wcn36xx_sta *)sta->drv_priv;
-
- switch (action) {
- case IEEE80211_AMPDU_RX_START:
- sta_priv->tid = tid;
- wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 0,
- get_sta_index(vif, sta_priv));
- wcn36xx_smd_add_ba(wcn);
- wcn36xx_smd_trigger_ba(wcn, get_sta_index(vif, sta_priv));
- ieee80211_start_tx_ba_session(sta, tid, 0);
- break;
- case IEEE80211_AMPDU_RX_STOP:
- wcn36xx_smd_del_ba(wcn, tid, get_sta_index(vif, sta_priv));
- break;
- case IEEE80211_AMPDU_TX_START:
- ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
- case IEEE80211_AMPDU_TX_OPERATIONAL:
- wcn36xx_smd_add_ba_session(wcn, sta, tid, ssn, 1,
- get_sta_index(vif, sta_priv));
- break;
- case IEEE80211_AMPDU_TX_STOP_FLUSH:
- case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
- case IEEE80211_AMPDU_TX_STOP_CONT:
- ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
- break;
- default:
- wcn36xx_err("Unknown AMPDU action\n");
- }
-
- return 0;
-}
-
-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,
-#endif
- .config = wcn36xx_config,
- .configure_filter = wcn36xx_configure_filter,
- .tx = wcn36xx_tx,
- .set_key = wcn36xx_set_key,
- .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,
- .ampdu_action = wcn36xx_ampdu_action,
-};
-
-static int wcn36xx_init_ieee80211(struct wcn36xx *wcn)
-{
- int ret = 0;
-
- static const u32 cipher_suites[] = {
- WLAN_CIPHER_SUITE_WEP40,
- WLAN_CIPHER_SUITE_WEP104,
- WLAN_CIPHER_SUITE_TKIP,
- WLAN_CIPHER_SUITE_CCMP,
- };
-
- wcn->hw->flags = IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_HAS_RATE_CONTROL |
- IEEE80211_HW_SUPPORTS_PS |
- IEEE80211_HW_CONNECTION_MONITOR |
- IEEE80211_HW_AMPDU_AGGREGATION |
- IEEE80211_HW_TIMING_BEACON_ONLY;
-
- 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[IEEE80211_BAND_2GHZ] = &wcn_band_2ghz;
- wcn->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &wcn_band_5ghz;
-
- wcn->hw->wiphy->cipher_suites = cipher_suites;
- wcn->hw->wiphy->n_cipher_suites = ARRAY_SIZE(cipher_suites);
-
- wcn->hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
-
-#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);
-
- return ret;
-}
-
-static int wcn36xx_platform_get_resources(struct wcn36xx *wcn,
- struct platform_device *pdev)
-{
- struct resource *res;
- /* Set TX IRQ */
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- "wcnss_wlantx_irq");
- if (!res) {
- wcn36xx_err("failed to get tx_irq\n");
- return -ENOENT;
- }
- wcn->tx_irq = res->start;
-
- /* Set RX IRQ */
- res = platform_get_resource_byname(pdev, IORESOURCE_IRQ,
- "wcnss_wlanrx_irq");
- if (!res) {
- wcn36xx_err("failed to get rx_irq\n");
- return -ENOENT;
- }
- wcn->rx_irq = res->start;
-
- /* Map the memory */
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "wcnss_mmio");
- if (!res) {
- wcn36xx_err("failed to get mmio\n");
- return -ENOENT;
- }
- wcn->mmio = ioremap(res->start, resource_size(res));
- if (!wcn->mmio) {
- wcn36xx_err("failed to map io memory\n");
- return -ENOMEM;
- }
- return 0;
-}
-
-static int wcn36xx_probe(struct platform_device *pdev)
-{
- struct ieee80211_hw *hw;
- struct wcn36xx *wcn;
- int ret;
- u8 addr[ETH_ALEN];
-
- wcn36xx_dbg(WCN36XX_DBG_MAC, "platform probe\n");
-
- 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->ctrl_ops = pdev->dev.platform_data;
-
- mutex_init(&wcn->hal_mutex);
-
- if (!wcn->ctrl_ops->get_hw_mac(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_wq;
-
- wcn36xx_init_ieee80211(wcn);
- ret = ieee80211_register_hw(wcn->hw);
- if (ret)
- goto out_unmap;
-
- return 0;
-
-out_unmap:
- iounmap(wcn->mmio);
-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");
-
- mutex_destroy(&wcn->hal_mutex);
-
- ieee80211_unregister_hw(hw);
- iounmap(wcn->mmio);
- ieee80211_free_hw(hw);
-
- return 0;
-}
-static const struct platform_device_id wcn36xx_platform_id_table[] = {
- {
- .name = "wcn36xx",
- .driver_data = 0
- },
- {}
-};
-MODULE_DEVICE_TABLE(platform, wcn36xx_platform_id_table);
-
-static struct platform_driver wcn36xx_driver = {
- .probe = wcn36xx_probe,
- .remove = wcn36xx_remove,
- .driver = {
- .name = "wcn36xx",
- .owner = THIS_MODULE,
- },
- .id_table = wcn36xx_platform_id_table,
-};
-
-static int __init wcn36xx_init(void)
-{
- platform_driver_register(&wcn36xx_driver);
- return 0;
-}
-module_init(wcn36xx_init);
-
-static void __exit wcn36xx_exit(void)
-{
- platform_driver_unregister(&wcn36xx_driver);
-}
-module_exit(wcn36xx_exit);
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_AUTHOR("Eugene Krasnikov k.eugene.e@gmail.com");
-MODULE_FIRMWARE(WLAN_NV_FILE);