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7#ifndef WILC_NETDEV_H
8#define WILC_NETDEV_H
9
10#include <linux/tcp.h>
11#include <linux/ieee80211.h>
12#include <net/cfg80211.h>
13#include <net/ieee80211_radiotap.h>
14#include <linux/if_arp.h>
15#include <linux/gpio/consumer.h>
16
17#include "hif.h"
18#include "wlan.h"
19#include "wlan_cfg.h"
20
21#define FLOW_CONTROL_LOWER_THRESHOLD 128
22#define FLOW_CONTROL_UPPER_THRESHOLD 256
23
24#define PMKID_FOUND 1
25#define NUM_STA_ASSOCIATED 8
26
27#define TCP_ACK_FILTER_LINK_SPEED_THRESH 54
28#define DEFAULT_LINK_SPEED 72
29
30struct wilc_wfi_stats {
31 unsigned long rx_packets;
32 unsigned long tx_packets;
33 unsigned long rx_bytes;
34 unsigned long tx_bytes;
35 u64 rx_time;
36 u64 tx_time;
37
38};
39
40struct wilc_wfi_key {
41 u8 *key;
42 u8 *seq;
43 int key_len;
44 int seq_len;
45 u32 cipher;
46};
47
48struct wilc_wfi_wep_key {
49 u8 *key;
50 u8 key_len;
51 u8 key_idx;
52};
53
54struct sta_info {
55 u8 sta_associated_bss[WILC_MAX_NUM_STA][ETH_ALEN];
56};
57
58
59struct wilc_wfi_p2p_listen_params {
60 struct ieee80211_channel *listen_ch;
61 u32 listen_duration;
62 u64 listen_cookie;
63};
64
65static const u32 wilc_cipher_suites[] = {
66 WLAN_CIPHER_SUITE_WEP40,
67 WLAN_CIPHER_SUITE_WEP104,
68 WLAN_CIPHER_SUITE_TKIP,
69 WLAN_CIPHER_SUITE_CCMP,
70 WLAN_CIPHER_SUITE_AES_CMAC
71};
72
73#define CHAN2G(_channel, _freq, _flags) { \
74 .band = NL80211_BAND_2GHZ, \
75 .center_freq = (_freq), \
76 .hw_value = (_channel), \
77 .flags = (_flags), \
78 .max_antenna_gain = 0, \
79 .max_power = 30, \
80}
81
82static const struct ieee80211_channel wilc_2ghz_channels[] = {
83 CHAN2G(1, 2412, 0),
84 CHAN2G(2, 2417, 0),
85 CHAN2G(3, 2422, 0),
86 CHAN2G(4, 2427, 0),
87 CHAN2G(5, 2432, 0),
88 CHAN2G(6, 2437, 0),
89 CHAN2G(7, 2442, 0),
90 CHAN2G(8, 2447, 0),
91 CHAN2G(9, 2452, 0),
92 CHAN2G(10, 2457, 0),
93 CHAN2G(11, 2462, 0),
94 CHAN2G(12, 2467, 0),
95 CHAN2G(13, 2472, 0),
96 CHAN2G(14, 2484, 0)
97};
98
99#define RATETAB_ENT(_rate, _hw_value, _flags) { \
100 .bitrate = (_rate), \
101 .hw_value = (_hw_value), \
102 .flags = (_flags), \
103}
104
105static struct ieee80211_rate wilc_bitrates[] = {
106 RATETAB_ENT(10, 0, 0),
107 RATETAB_ENT(20, 1, 0),
108 RATETAB_ENT(55, 2, 0),
109 RATETAB_ENT(110, 3, 0),
110 RATETAB_ENT(60, 9, 0),
111 RATETAB_ENT(90, 6, 0),
112 RATETAB_ENT(120, 7, 0),
113 RATETAB_ENT(180, 8, 0),
114 RATETAB_ENT(240, 9, 0),
115 RATETAB_ENT(360, 10, 0),
116 RATETAB_ENT(480, 11, 0),
117 RATETAB_ENT(540, 12, 0)
118};
119
120struct wilc_priv {
121 struct wireless_dev wdev;
122 struct cfg80211_scan_request *scan_req;
123
124 struct wilc_wfi_p2p_listen_params remain_on_ch_params;
125 u64 tx_cookie;
126
127 bool cfg_scanning;
128
129 u8 associated_bss[ETH_ALEN];
130 struct sta_info assoc_stainfo;
131 struct sk_buff *skb;
132 struct net_device *dev;
133 struct host_if_drv *hif_drv;
134 struct wilc_pmkid_attr pmkid_list;
135 u8 wep_key[4][WLAN_KEY_LEN_WEP104];
136 u8 wep_key_len[4];
137
138
139 struct net_device *real_ndev;
140 struct wilc_wfi_key *wilc_gtk[WILC_MAX_NUM_STA];
141 struct wilc_wfi_key *wilc_ptk[WILC_MAX_NUM_STA];
142 u8 wilc_groupkey;
143
144
145 struct mutex scan_req_lock;
146 bool p2p_listen_state;
147 int scanned_cnt;
148
149 u64 inc_roc_cookie;
150};
151
152#define MAX_TCP_SESSION 25
153#define MAX_PENDING_ACKS 256
154
155struct ack_session_info {
156 u32 seq_num;
157 u32 bigger_ack_num;
158 u16 src_port;
159 u16 dst_port;
160 u16 status;
161};
162
163struct pending_acks {
164 u32 ack_num;
165 u32 session_index;
166 struct txq_entry_t *txqe;
167};
168
169struct tcp_ack_filter {
170 struct ack_session_info ack_session_info[2 * MAX_TCP_SESSION];
171 struct pending_acks pending_acks[MAX_PENDING_ACKS];
172 u32 pending_base;
173 u32 tcp_session;
174 u32 pending_acks_idx;
175 bool enabled;
176};
177
178struct wilc_vif {
179 u8 idx;
180 u8 iftype;
181 int monitor_flag;
182 int mac_opened;
183 u32 mgmt_reg_stypes;
184 struct net_device_stats netstats;
185 struct wilc *wilc;
186 u8 bssid[ETH_ALEN];
187 struct host_if_drv *hif_drv;
188 struct net_device *ndev;
189 u8 mode;
190 struct timer_list during_ip_timer;
191 struct timer_list periodic_rssi;
192 struct rf_info periodic_stat;
193 struct tcp_ack_filter ack_filter;
194 bool connecting;
195 struct wilc_priv priv;
196 struct list_head list;
197 struct cfg80211_bss *bss;
198};
199
200struct wilc_tx_queue_status {
201 u8 buffer[AC_BUFFER_SIZE];
202 u16 end_index;
203 u16 cnt[NQUEUES];
204 u16 sum;
205 bool initialized;
206};
207
208struct wilc {
209 struct wiphy *wiphy;
210 const struct wilc_hif_func *hif_func;
211 int io_type;
212 s8 mac_status;
213 struct clk *rtc_clk;
214 bool initialized;
215 int dev_irq_num;
216 int close;
217 u8 vif_num;
218 struct list_head vif_list;
219
220
221 struct mutex vif_mutex;
222 struct srcu_struct srcu;
223 u8 open_ifcs;
224
225
226 struct mutex txq_add_to_head_cs;
227
228
229 spinlock_t txq_spinlock;
230
231
232 struct mutex rxq_cs;
233
234
235 struct mutex hif_cs;
236
237 struct completion cfg_event;
238 struct completion sync_event;
239 struct completion txq_event;
240 struct completion txq_thread_started;
241
242 struct task_struct *txq_thread;
243
244 int quit;
245
246
247 struct mutex cfg_cmd_lock;
248 struct wilc_cfg_frame cfg_frame;
249 u32 cfg_frame_offset;
250 u8 cfg_seq_no;
251
252 u8 *rx_buffer;
253 u32 rx_buffer_offset;
254 u8 *tx_buffer;
255
256 struct txq_handle txq[NQUEUES];
257 int txq_entries;
258
259 struct wilc_tx_queue_status tx_q_limit;
260 struct rxq_entry_t rxq_head;
261
262 const struct firmware *firmware;
263
264 struct device *dev;
265 bool suspend_event;
266
267 struct workqueue_struct *hif_workqueue;
268 struct wilc_cfg cfg;
269 void *bus_data;
270 struct net_device *monitor_dev;
271
272
273 struct mutex deinit_lock;
274 u8 sta_ch;
275 u8 op_ch;
276 struct ieee80211_channel channels[ARRAY_SIZE(wilc_2ghz_channels)];
277 struct ieee80211_rate bitrates[ARRAY_SIZE(wilc_bitrates)];
278 struct ieee80211_supported_band band;
279 u32 cipher_suites[ARRAY_SIZE(wilc_cipher_suites)];
280};
281
282struct wilc_wfi_mon_priv {
283 struct net_device *real_ndev;
284};
285
286void wilc_frmw_to_host(struct wilc *wilc, u8 *buff, u32 size, u32 pkt_offset);
287void wilc_mac_indicate(struct wilc *wilc);
288void wilc_netdev_cleanup(struct wilc *wilc);
289void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 size);
290void wilc_wlan_set_bssid(struct net_device *wilc_netdev, const u8 *bssid,
291 u8 mode);
292struct wilc_vif *wilc_netdev_ifc_init(struct wilc *wl, const char *name,
293 int vif_type, enum nl80211_iftype type,
294 bool rtnl_locked);
295#endif
296
