1 /**
2 * Copyright (c) 2014 Redpine Signals Inc.
3 *
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.
7 *
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
11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 */
16
17 #ifndef __RSI_MGMT_H__
18 #define __RSI_MGMT_H__
19
20 #include <linux/sort.h>
21 #include "rsi_boot_params.h"
22 #include "rsi_main.h"
23
24 #define MAX_MGMT_PKT_SIZE 512
25 #define RSI_NEEDED_HEADROOM 80
26 #define RSI_RCV_BUFFER_LEN 2000
27
28 #define RSI_11B_MODE 0
29 #define RSI_11G_MODE BIT(7)
30 #define RETRY_COUNT 8
31 #define RETRY_LONG 4
32 #define RETRY_SHORT 7
33 #define WMM_SHORT_SLOT_TIME 9
34 #define SIFS_DURATION 16
35
36 #define KEY_TYPE_CLEAR 0
37 #define RSI_PAIRWISE_KEY 1
38 #define RSI_GROUP_KEY 2
39
40 /* EPPROM_READ_ADDRESS */
41 #define WLAN_MAC_EEPROM_ADDR 40
42 #define WLAN_MAC_MAGIC_WORD_LEN 0x01
43 #define WLAN_HOST_MODE_LEN 0x04
44 #define WLAN_FW_VERSION_LEN 0x08
45 #define MAGIC_WORD 0x5A
46
47 /* Receive Frame Types */
48 #define TA_CONFIRM_TYPE 0x01
49 #define RX_DOT11_MGMT 0x02
50 #define TX_STATUS_IND 0x04
51 #define PROBEREQ_CONFIRM 2
52 #define CARD_READY_IND 0x00
53
54 #define RSI_DELETE_PEER 0x0
55 #define RSI_ADD_PEER 0x1
56 #define START_AMPDU_AGGR 0x1
57 #define STOP_AMPDU_AGGR 0x0
58 #define INTERNAL_MGMT_PKT 0x99
59
60 #define PUT_BBP_RESET 0
61 #define BBP_REG_WRITE 0
62 #define RF_RESET_ENABLE BIT(3)
63 #define RATE_INFO_ENABLE BIT(0)
64 #define RSI_BROADCAST_PKT BIT(9)
65
66 #define UPPER_20_ENABLE (0x2 << 12)
67 #define LOWER_20_ENABLE (0x4 << 12)
68 #define FULL40M_ENABLE 0x6
69
70 #define RSI_LMAC_CLOCK_80MHZ 0x1
71 #define RSI_ENABLE_40MHZ (0x1 << 3)
72 #define ENABLE_SHORTGI_RATE BIT(9)
73
74 #define RX_BA_INDICATION 1
75 #define RSI_TBL_SZ 40
76 #define MAX_RETRIES 8
77 #define RSI_IFTYPE_STATION 0
78
79 #define STD_RATE_MCS7 0x07
80 #define STD_RATE_MCS6 0x06
81 #define STD_RATE_MCS5 0x05
82 #define STD_RATE_MCS4 0x04
83 #define STD_RATE_MCS3 0x03
84 #define STD_RATE_MCS2 0x02
85 #define STD_RATE_MCS1 0x01
86 #define STD_RATE_MCS0 0x00
87 #define STD_RATE_54 0x6c
88 #define STD_RATE_48 0x60
89 #define STD_RATE_36 0x48
90 #define STD_RATE_24 0x30
91 #define STD_RATE_18 0x24
92 #define STD_RATE_12 0x18
93 #define STD_RATE_11 0x16
94 #define STD_RATE_09 0x12
95 #define STD_RATE_06 0x0C
96 #define STD_RATE_5_5 0x0B
97 #define STD_RATE_02 0x04
98 #define STD_RATE_01 0x02
99
100 #define RSI_RF_TYPE 1
101 #define RSI_RATE_00 0x00
102 #define RSI_RATE_1 0x0
103 #define RSI_RATE_2 0x2
104 #define RSI_RATE_5_5 0x4
105 #define RSI_RATE_11 0x6
106 #define RSI_RATE_6 0x8b
107 #define RSI_RATE_9 0x8f
108 #define RSI_RATE_12 0x8a
109 #define RSI_RATE_18 0x8e
110 #define RSI_RATE_24 0x89
111 #define RSI_RATE_36 0x8d
112 #define RSI_RATE_48 0x88
113 #define RSI_RATE_54 0x8c
114 #define RSI_RATE_MCS0 0x100
115 #define RSI_RATE_MCS1 0x101
116 #define RSI_RATE_MCS2 0x102
117 #define RSI_RATE_MCS3 0x103
118 #define RSI_RATE_MCS4 0x104
119 #define RSI_RATE_MCS5 0x105
120 #define RSI_RATE_MCS6 0x106
121 #define RSI_RATE_MCS7 0x107
122 #define RSI_RATE_MCS7_SG 0x307
123
124 #define BW_20MHZ 0
125 #define BW_40MHZ 1
126
127 #define EP_2GHZ_20MHZ 0
128 #define EP_2GHZ_40MHZ 1
129 #define EP_5GHZ_20MHZ 2
130 #define EP_5GHZ_40MHZ 3
131
132 #define SIFS_TX_11N_VALUE 580
133 #define SIFS_TX_11B_VALUE 346
134 #define SHORT_SLOT_VALUE 360
135 #define LONG_SLOT_VALUE 640
136 #define OFDM_ACK_TOUT_VALUE 2720
137 #define CCK_ACK_TOUT_VALUE 9440
138 #define LONG_PREAMBLE 0x0000
139 #define SHORT_PREAMBLE 0x0001
140
141 #define RSI_SUPP_FILTERS (FIF_ALLMULTI | FIF_PROBE_REQ |\
142 FIF_BCN_PRBRESP_PROMISC)
143 enum opmode {
144 STA_OPMODE = 1,
145 AP_OPMODE = 2
146 };
147
148 extern struct ieee80211_rate rsi_rates[12];
149 extern const u16 rsi_mcsrates[8];
150
151 enum sta_notify_events {
152 STA_CONNECTED = 0,
153 STA_DISCONNECTED,
154 STA_TX_ADDBA_DONE,
155 STA_TX_DELBA,
156 STA_RX_ADDBA_DONE,
157 STA_RX_DELBA
158 };
159
160 /* Send Frames Types */
161 enum cmd_frame_type {
162 TX_DOT11_MGMT,
163 RESET_MAC_REQ,
164 RADIO_CAPABILITIES,
165 BB_PROG_VALUES_REQUEST,
166 RF_PROG_VALUES_REQUEST,
167 WAKEUP_SLEEP_REQUEST,
168 SCAN_REQUEST,
169 TSF_UPDATE,
170 PEER_NOTIFY,
171 BLOCK_HW_QUEUE,
172 SET_KEY_REQ,
173 AUTO_RATE_IND,
174 BOOTUP_PARAMS_REQUEST,
175 VAP_CAPABILITIES,
176 EEPROM_READ_TYPE ,
177 EEPROM_WRITE,
178 GPIO_PIN_CONFIG ,
179 SET_RX_FILTER,
180 AMPDU_IND,
181 STATS_REQUEST_FRAME,
182 BB_BUF_PROG_VALUES_REQ,
183 BBP_PROG_IN_TA,
184 BG_SCAN_PARAMS,
185 BG_SCAN_PROBE_REQ,
186 CW_MODE_REQ,
187 PER_CMD_PKT
188 };
189
190 struct rsi_mac_frame {
191 __le16 desc_word[8];
192 } __packed;
193
194 struct rsi_boot_params {
195 __le16 desc_word[8];
196 struct bootup_params bootup_params;
197 } __packed;
198
199 struct rsi_peer_notify {
200 __le16 desc_word[8];
201 u8 mac_addr[6];
202 __le16 command;
203 __le16 mpdu_density;
204 __le16 reserved;
205 __le32 sta_flags;
206 } __packed;
207
208 struct rsi_vap_caps {
209 __le16 desc_word[8];
210 u8 mac_addr[6];
211 __le16 keep_alive_period;
212 u8 bssid[6];
213 __le16 reserved;
214 __le32 flags;
215 __le16 frag_threshold;
216 __le16 rts_threshold;
217 __le32 default_mgmt_rate;
218 __le32 default_ctrl_rate;
219 __le32 default_data_rate;
220 __le16 beacon_interval;
221 __le16 dtim_period;
222 } __packed;
223
224 struct rsi_set_key {
225 __le16 desc_word[8];
226 u8 key[4][32];
227 u8 tx_mic_key[8];
228 u8 rx_mic_key[8];
229 } __packed;
230
231 struct rsi_auto_rate {
232 __le16 desc_word[8];
233 __le16 failure_limit;
234 __le16 initial_boundary;
235 __le16 max_threshold_limt;
236 __le16 num_supported_rates;
237 __le16 aarf_rssi;
238 __le16 moderate_rate_inx;
239 __le16 collision_tolerance;
240 __le16 supported_rates[40];
241 } __packed;
242
243 struct qos_params {
244 __le16 cont_win_min_q;
245 __le16 cont_win_max_q;
246 __le16 aifsn_val_q;
247 __le16 txop_q;
248 } __packed;
249
250 struct rsi_radio_caps {
251 __le16 desc_word[8];
252 struct qos_params qos_params[MAX_HW_QUEUES];
253 u8 num_11n_rates;
254 u8 num_11ac_rates;
255 __le16 gcpd_per_rate[20];
256 __le16 sifs_tx_11n;
257 __le16 sifs_tx_11b;
258 __le16 slot_rx_11n;
259 __le16 ofdm_ack_tout;
260 __le16 cck_ack_tout;
261 __le16 preamble_type;
262 } __packed;
263
rsi_get_queueno(u8 * addr,u16 offset)264 static inline u32 rsi_get_queueno(u8 *addr, u16 offset)
265 {
266 return (le16_to_cpu(*(__le16 *)&addr[offset]) & 0x7000) >> 12;
267 }
268
rsi_get_length(u8 * addr,u16 offset)269 static inline u32 rsi_get_length(u8 *addr, u16 offset)
270 {
271 return (le16_to_cpu(*(__le16 *)&addr[offset])) & 0x0fff;
272 }
273
rsi_get_extended_desc(u8 * addr,u16 offset)274 static inline u8 rsi_get_extended_desc(u8 *addr, u16 offset)
275 {
276 return le16_to_cpu(*((__le16 *)&addr[offset + 4])) & 0x00ff;
277 }
278
rsi_get_rssi(u8 * addr)279 static inline u8 rsi_get_rssi(u8 *addr)
280 {
281 return *(u8 *)(addr + FRAME_DESC_SZ);
282 }
283
rsi_get_channel(u8 * addr)284 static inline u8 rsi_get_channel(u8 *addr)
285 {
286 return *(char *)(addr + 15);
287 }
288
289 int rsi_mgmt_pkt_recv(struct rsi_common *common, u8 *msg);
290 int rsi_set_vap_capabilities(struct rsi_common *common, enum opmode mode);
291 int rsi_send_aggregation_params_frame(struct rsi_common *common, u16 tid,
292 u16 ssn, u8 buf_size, u8 event);
293 int rsi_hal_load_key(struct rsi_common *common, u8 *data, u16 key_len,
294 u8 key_type, u8 key_id, u32 cipher);
295 int rsi_set_channel(struct rsi_common *common, u16 chno);
296 int rsi_send_block_unblock_frame(struct rsi_common *common, bool event);
297 void rsi_inform_bss_status(struct rsi_common *common, u8 status,
298 const u8 *bssid, u8 qos_enable, u16 aid);
299 void rsi_indicate_pkt_to_os(struct rsi_common *common, struct sk_buff *skb);
300 int rsi_mac80211_attach(struct rsi_common *common);
301 void rsi_indicate_tx_status(struct rsi_hw *common, struct sk_buff *skb,
302 int status);
303 bool rsi_is_cipher_wep(struct rsi_common *common);
304 void rsi_core_qos_processor(struct rsi_common *common);
305 void rsi_core_xmit(struct rsi_common *common, struct sk_buff *skb);
306 int rsi_send_mgmt_pkt(struct rsi_common *common, struct sk_buff *skb);
307 int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb);
308 int rsi_band_check(struct rsi_common *common);
309 #endif
310