2 * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
4 * Permission to use, copy, modify, and/or distribute this software for any
5 * purpose with or without fee is hereby granted, provided that the above
6 * copyright notice and this permission notice appear in all copies.
8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
11 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
13 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
14 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
20 #include <linux/completion.h>
21 #include <linux/printk.h>
22 #include <linux/spinlock.h>
23 #include <net/mac80211.h>
32 #define WLAN_NV_FILE "/*(DEBLOBBED)*/"
33 #define WCN36XX_AGGR_BUFFER_SIZE 64
35 /* How many frames until we start a-mpdu TX session */
36 #define WCN36XX_AMPDU_START_THRESH 20
38 #define WCN36XX_MAX_SCAN_SSIDS 9
39 #define WCN36XX_MAX_SCAN_IE_LEN 500
41 extern unsigned int wcn36xx_dbg_mask;
43 enum wcn36xx_debug_mask {
44 WCN36XX_DBG_DXE = 0x00000001,
45 WCN36XX_DBG_DXE_DUMP = 0x00000002,
46 WCN36XX_DBG_SMD = 0x00000004,
47 WCN36XX_DBG_SMD_DUMP = 0x00000008,
48 WCN36XX_DBG_RX = 0x00000010,
49 WCN36XX_DBG_RX_DUMP = 0x00000020,
50 WCN36XX_DBG_TX = 0x00000040,
51 WCN36XX_DBG_TX_DUMP = 0x00000080,
52 WCN36XX_DBG_HAL = 0x00000100,
53 WCN36XX_DBG_HAL_DUMP = 0x00000200,
54 WCN36XX_DBG_MAC = 0x00000400,
55 WCN36XX_DBG_BEACON = 0x00000800,
56 WCN36XX_DBG_BEACON_DUMP = 0x00001000,
57 WCN36XX_DBG_PMC = 0x00002000,
58 WCN36XX_DBG_PMC_DUMP = 0x00004000,
59 WCN36XX_DBG_ANY = 0xffffffff,
62 #define wcn36xx_err(fmt, arg...) \
63 printk(KERN_ERR pr_fmt("ERROR " fmt), ##arg)
65 #define wcn36xx_warn(fmt, arg...) \
66 printk(KERN_WARNING pr_fmt("WARNING " fmt), ##arg)
68 #define wcn36xx_info(fmt, arg...) \
69 printk(KERN_INFO pr_fmt(fmt), ##arg)
71 #define wcn36xx_dbg(mask, fmt, arg...) do { \
72 if (wcn36xx_dbg_mask & mask) \
73 printk(KERN_DEBUG pr_fmt(fmt), ##arg); \
76 #define wcn36xx_dbg_dump(mask, prefix_str, buf, len) do { \
77 if (wcn36xx_dbg_mask & mask) \
78 print_hex_dump(KERN_DEBUG, pr_fmt(prefix_str), \
79 DUMP_PREFIX_OFFSET, 32, 1, \
83 enum wcn36xx_ampdu_state {
87 WCN36XX_AMPDU_OPERATIONAL,
90 #define WCN36XX_HW_CHANNEL(__wcn) (__wcn->hw->conf.chandef.chan->hw_value)
91 #define WCN36XX_BAND(__wcn) (__wcn->hw->conf.chandef.chan->band)
92 #define WCN36XX_CENTER_FREQ(__wcn) (__wcn->hw->conf.chandef.chan->center_freq)
93 #define WCN36XX_LISTEN_INTERVAL(__wcn) (__wcn->hw->conf.listen_interval)
94 #define WCN36XX_FLAGS(__wcn) (__wcn->hw->flags)
95 #define WCN36XX_MAX_POWER(__wcn) (__wcn->hw->conf.chandef.chan->max_power)
97 static inline void buff_to_be(u32 *buf, size_t len)
100 for (i = 0; i < len; i++)
101 buf[i] = cpu_to_be32(buf[i]);
110 * struct wcn36xx_vif - holds VIF related fields
112 * @bss_index: bss_index is initially set to 0xFF. bss_index is received from
113 * HW after first config_bss call and must be used in delete_bss and
117 struct list_head list;
119 enum ani_ed_type encrypt_type;
122 struct wcn36xx_hal_mac_ssid ssid;
124 /* Power management */
125 enum wcn36xx_power_state pw_state;
128 /* Returned from WCN36XX_HAL_ADD_STA_SELF_RSP */
130 u8 self_dpu_desc_index;
131 u8 self_ucast_dpu_sign;
135 * struct wcn36xx_sta - holds STA related fields
137 * @tid: traffic ID that is used during AMPDU and in TX BD.
138 * @sta_index: STA index is returned from HW after config_sta call and is
139 * used in both SMD channel and TX BD.
140 * @dpu_desc_index: DPU descriptor index is returned from HW after config_sta
141 * call and is used in TX BD.
142 * @bss_sta_index: STA index is returned from HW after config_bss call and is
143 * used in both SMD channel and TX BD. See table bellow when it is used.
144 * @bss_dpu_desc_index: DPU descriptor index is returned from HW after
145 * config_bss call and is used in TX BD.
146 * ______________________________________________
148 * |______________|_____________|_______________|
149 * | TX BD |bss_sta_index| sta_index |
150 * |______________|_____________|_______________|
151 * |all SMD calls |bss_sta_index| sta_index |
152 * |______________|_____________|_______________|
153 * |smd_delete_sta| sta_index | sta_index |
154 * |______________|_____________|_______________|
157 struct wcn36xx_vif *vif;
164 u8 bss_dpu_desc_index;
165 bool is_data_encrypted;
167 struct wcn36xx_hal_supported_rates supported_rates;
169 spinlock_t ampdu_lock; /* protects next two fields */
170 enum wcn36xx_ampdu_state ampdu_state[16];
171 int non_agg_frame_ct;
173 struct wcn36xx_dxe_ch;
175 struct ieee80211_hw *hw;
177 struct list_head vif_list;
179 const struct firmware *nv;
185 u32 fw_feat_caps[WCN36XX_HAL_CAPS_SIZE];
188 /* extra byte for the NULL termination */
189 u8 crm_version[WCN36XX_HAL_VERSION_LENGTH + 1];
190 u8 wlan_version[WCN36XX_HAL_VERSION_LENGTH + 1];
195 void __iomem *ccu_base;
196 void __iomem *dxe_base;
198 struct rpmsg_endpoint *smd_channel;
200 struct qcom_smem_state *tx_enable_state;
201 unsigned tx_enable_state_bit;
202 struct qcom_smem_state *tx_rings_empty_state;
203 unsigned tx_rings_empty_state_bit;
205 /* prevents concurrent FW reconfiguration */
206 struct mutex conf_mutex;
209 * smd_buf must be protected with smd_mutex to garantee
210 * that all messages are sent one after another
214 struct mutex hal_mutex;
215 struct completion hal_rsp_compl;
216 struct workqueue_struct *hal_ind_wq;
217 struct work_struct hal_ind_work;
218 spinlock_t hal_ind_lock;
219 struct list_head hal_ind_queue;
221 struct work_struct scan_work;
222 struct cfg80211_scan_request *scan_req;
225 struct mutex scan_lock;
229 struct wcn36xx_dxe_ch dxe_tx_l_ch; /* TX low */
230 struct wcn36xx_dxe_ch dxe_tx_h_ch; /* TX high */
231 struct wcn36xx_dxe_ch dxe_rx_l_ch; /* RX low */
232 struct wcn36xx_dxe_ch dxe_rx_h_ch; /* RX high */
234 /* For synchronization of DXE resources from BH, IRQ and WQ contexts */
239 struct wcn36xx_dxe_mem_pool mgmt_mem_pool;
240 struct wcn36xx_dxe_mem_pool data_mem_pool;
242 struct sk_buff *tx_ack_skb;
244 #ifdef CONFIG_WCN36XX_DEBUGFS
245 /* Debug file system entry */
246 struct wcn36xx_dfs_entry dfs;
247 #endif /* CONFIG_WCN36XX_DEBUGFS */
251 static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn,
257 return (wcn->fw_major == major &&
258 wcn->fw_minor == minor &&
259 wcn->fw_version == version &&
260 wcn->fw_revision == revision);
262 void wcn36xx_set_default_rates(struct wcn36xx_hal_supported_rates *rates);
265 struct ieee80211_sta *wcn36xx_priv_to_sta(struct wcn36xx_sta *sta_priv)
267 return container_of((void *)sta_priv, struct ieee80211_sta, drv_priv);
271 struct wcn36xx_vif *wcn36xx_vif_to_priv(struct ieee80211_vif *vif)
273 return (struct wcn36xx_vif *) vif->drv_priv;
277 struct ieee80211_vif *wcn36xx_priv_to_vif(struct wcn36xx_vif *vif_priv)
279 return container_of((void *) vif_priv, struct ieee80211_vif, drv_priv);
283 struct wcn36xx_sta *wcn36xx_sta_to_priv(struct ieee80211_sta *sta)
285 return (struct wcn36xx_sta *)sta->drv_priv;
288 #endif /* _WCN36XX_H_ */