1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Implementation of the host-to-chip MIBs of the hardware API.
4 *
5 * Copyright (c) 2017-2020, Silicon Laboratories, Inc.
6 * Copyright (c) 2010, ST-Ericsson
7 * Copyright (C) 2010, ST-Ericsson SA
8 */
9
10 #include <linux/etherdevice.h>
11
12 #include "wfx.h"
13 #include "hif_tx.h"
14 #include "hif_tx_mib.h"
15 #include "hif_api_mib.h"
16
wfx_hif_set_output_power(struct wfx_vif * wvif,int val)17 int wfx_hif_set_output_power(struct wfx_vif *wvif, int val)
18 {
19 struct wfx_hif_mib_current_tx_power_level arg = {
20 .power_level = cpu_to_le32(val * 10),
21 };
22
23 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_CURRENT_TX_POWER_LEVEL,
24 &arg, sizeof(arg));
25 }
26
wfx_hif_set_beacon_wakeup_period(struct wfx_vif * wvif,unsigned int dtim_interval,unsigned int listen_interval)27 int wfx_hif_set_beacon_wakeup_period(struct wfx_vif *wvif,
28 unsigned int dtim_interval, unsigned int listen_interval)
29 {
30 struct wfx_hif_mib_beacon_wake_up_period arg = {
31 .wakeup_period_min = dtim_interval,
32 .receive_dtim = 0,
33 .wakeup_period_max = listen_interval,
34 };
35
36 if (dtim_interval > 0xFF || listen_interval > 0xFFFF)
37 return -EINVAL;
38 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_BEACON_WAKEUP_PERIOD,
39 &arg, sizeof(arg));
40 }
41
wfx_hif_set_rcpi_rssi_threshold(struct wfx_vif * wvif,int rssi_thold,int rssi_hyst)42 int wfx_hif_set_rcpi_rssi_threshold(struct wfx_vif *wvif, int rssi_thold, int rssi_hyst)
43 {
44 struct wfx_hif_mib_rcpi_rssi_threshold arg = {
45 .rolling_average_count = 8,
46 .detection = 1,
47 };
48
49 if (!rssi_thold && !rssi_hyst) {
50 arg.upperthresh = 1;
51 arg.lowerthresh = 1;
52 } else {
53 arg.upper_threshold = rssi_thold + rssi_hyst;
54 arg.upper_threshold = (arg.upper_threshold + 110) * 2;
55 arg.lower_threshold = rssi_thold;
56 arg.lower_threshold = (arg.lower_threshold + 110) * 2;
57 }
58
59 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_RCPI_RSSI_THRESHOLD,
60 &arg, sizeof(arg));
61 }
62
wfx_hif_get_counters_table(struct wfx_dev * wdev,int vif_id,struct wfx_hif_mib_extended_count_table * arg)63 int wfx_hif_get_counters_table(struct wfx_dev *wdev, int vif_id,
64 struct wfx_hif_mib_extended_count_table *arg)
65 {
66 if (wfx_api_older_than(wdev, 1, 3)) {
67 /* extended_count_table is wider than count_table */
68 memset(arg, 0xFF, sizeof(*arg));
69 return wfx_hif_read_mib(wdev, vif_id, HIF_MIB_ID_COUNTERS_TABLE,
70 arg, sizeof(struct wfx_hif_mib_count_table));
71 } else {
72 return wfx_hif_read_mib(wdev, vif_id, HIF_MIB_ID_EXTENDED_COUNTERS_TABLE,
73 arg, sizeof(struct wfx_hif_mib_extended_count_table));
74 }
75 }
76
wfx_hif_set_macaddr(struct wfx_vif * wvif,u8 * mac)77 int wfx_hif_set_macaddr(struct wfx_vif *wvif, u8 *mac)
78 {
79 struct wfx_hif_mib_mac_address arg = { };
80
81 if (mac)
82 ether_addr_copy(arg.mac_addr, mac);
83 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_DOT11_MAC_ADDRESS,
84 &arg, sizeof(arg));
85 }
86
wfx_hif_set_rx_filter(struct wfx_vif * wvif,bool filter_bssid,bool filter_prbreq)87 int wfx_hif_set_rx_filter(struct wfx_vif *wvif, bool filter_bssid, bool filter_prbreq)
88 {
89 struct wfx_hif_mib_rx_filter arg = { };
90
91 if (filter_bssid)
92 arg.bssid_filter = 1;
93 if (!filter_prbreq)
94 arg.fwd_probe_req = 1;
95 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_RX_FILTER, &arg, sizeof(arg));
96 }
97
wfx_hif_set_beacon_filter_table(struct wfx_vif * wvif,int tbl_len,const struct wfx_hif_ie_table_entry * tbl)98 int wfx_hif_set_beacon_filter_table(struct wfx_vif *wvif, int tbl_len,
99 const struct wfx_hif_ie_table_entry *tbl)
100 {
101 int ret;
102 struct wfx_hif_mib_bcn_filter_table *arg;
103 int buf_len = struct_size(arg, ie_table, tbl_len);
104
105 arg = kzalloc(buf_len, GFP_KERNEL);
106 if (!arg)
107 return -ENOMEM;
108 arg->num_of_info_elmts = cpu_to_le32(tbl_len);
109 memcpy(arg->ie_table, tbl, flex_array_size(arg, ie_table, tbl_len));
110 ret = wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_BEACON_FILTER_TABLE,
111 arg, buf_len);
112 kfree(arg);
113 return ret;
114 }
115
wfx_hif_beacon_filter_control(struct wfx_vif * wvif,int enable,int beacon_count)116 int wfx_hif_beacon_filter_control(struct wfx_vif *wvif, int enable, int beacon_count)
117 {
118 struct wfx_hif_mib_bcn_filter_enable arg = {
119 .enable = cpu_to_le32(enable),
120 .bcn_count = cpu_to_le32(beacon_count),
121 };
122 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_BEACON_FILTER_ENABLE,
123 &arg, sizeof(arg));
124 }
125
wfx_hif_set_operational_mode(struct wfx_dev * wdev,enum wfx_hif_op_power_mode mode)126 int wfx_hif_set_operational_mode(struct wfx_dev *wdev, enum wfx_hif_op_power_mode mode)
127 {
128 struct wfx_hif_mib_gl_operational_power_mode arg = {
129 .power_mode = mode,
130 .wup_ind_activation = 1,
131 };
132
133 return wfx_hif_write_mib(wdev, -1, HIF_MIB_ID_GL_OPERATIONAL_POWER_MODE,
134 &arg, sizeof(arg));
135 }
136
wfx_hif_set_template_frame(struct wfx_vif * wvif,struct sk_buff * skb,u8 frame_type,int init_rate)137 int wfx_hif_set_template_frame(struct wfx_vif *wvif, struct sk_buff *skb,
138 u8 frame_type, int init_rate)
139 {
140 struct wfx_hif_mib_template_frame *arg;
141
142 WARN(skb->len > HIF_API_MAX_TEMPLATE_FRAME_SIZE, "frame is too big");
143 skb_push(skb, 4);
144 arg = (struct wfx_hif_mib_template_frame *)skb->data;
145 skb_pull(skb, 4);
146 arg->init_rate = init_rate;
147 arg->frame_type = frame_type;
148 arg->frame_length = cpu_to_le16(skb->len);
149 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_TEMPLATE_FRAME,
150 arg, sizeof(*arg) + skb->len);
151 }
152
wfx_hif_set_mfp(struct wfx_vif * wvif,bool capable,bool required)153 int wfx_hif_set_mfp(struct wfx_vif *wvif, bool capable, bool required)
154 {
155 struct wfx_hif_mib_protected_mgmt_policy arg = { };
156
157 WARN(required && !capable, "incoherent arguments");
158 if (capable) {
159 arg.pmf_enable = 1;
160 arg.host_enc_auth_frames = 1;
161 }
162 if (!required)
163 arg.unpmf_allowed = 1;
164 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_PROTECTED_MGMT_POLICY,
165 &arg, sizeof(arg));
166 }
167
wfx_hif_set_block_ack_policy(struct wfx_vif * wvif,u8 tx_tid_policy,u8 rx_tid_policy)168 int wfx_hif_set_block_ack_policy(struct wfx_vif *wvif, u8 tx_tid_policy, u8 rx_tid_policy)
169 {
170 struct wfx_hif_mib_block_ack_policy arg = {
171 .block_ack_tx_tid_policy = tx_tid_policy,
172 .block_ack_rx_tid_policy = rx_tid_policy,
173 };
174
175 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_BLOCK_ACK_POLICY,
176 &arg, sizeof(arg));
177 }
178
wfx_hif_set_association_mode(struct wfx_vif * wvif,int ampdu_density,bool greenfield,bool short_preamble)179 int wfx_hif_set_association_mode(struct wfx_vif *wvif, int ampdu_density,
180 bool greenfield, bool short_preamble)
181 {
182 struct wfx_hif_mib_set_association_mode arg = {
183 .preambtype_use = 1,
184 .mode = 1,
185 .spacing = 1,
186 .short_preamble = short_preamble,
187 .greenfield = greenfield,
188 .mpdu_start_spacing = ampdu_density,
189 };
190
191 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_SET_ASSOCIATION_MODE,
192 &arg, sizeof(arg));
193 }
194
wfx_hif_set_tx_rate_retry_policy(struct wfx_vif * wvif,int policy_index,u8 * rates)195 int wfx_hif_set_tx_rate_retry_policy(struct wfx_vif *wvif, int policy_index, u8 *rates)
196 {
197 struct wfx_hif_mib_set_tx_rate_retry_policy *arg;
198 size_t size = struct_size(arg, tx_rate_retry_policy, 1);
199 int ret;
200
201 arg = kzalloc(size, GFP_KERNEL);
202 if (!arg)
203 return -ENOMEM;
204 arg->num_tx_rate_policies = 1;
205 arg->tx_rate_retry_policy[0].policy_index = policy_index;
206 arg->tx_rate_retry_policy[0].short_retry_count = 255;
207 arg->tx_rate_retry_policy[0].long_retry_count = 255;
208 arg->tx_rate_retry_policy[0].first_rate_sel = 1;
209 arg->tx_rate_retry_policy[0].terminate = 1;
210 arg->tx_rate_retry_policy[0].count_init = 1;
211 memcpy(&arg->tx_rate_retry_policy[0].rates, rates,
212 sizeof(arg->tx_rate_retry_policy[0].rates));
213 ret = wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_SET_TX_RATE_RETRY_POLICY,
214 arg, size);
215 kfree(arg);
216 return ret;
217 }
218
wfx_hif_keep_alive_period(struct wfx_vif * wvif,int period)219 int wfx_hif_keep_alive_period(struct wfx_vif *wvif, int period)
220 {
221 struct wfx_hif_mib_keep_alive_period arg = {
222 .keep_alive_period = cpu_to_le16(period),
223 };
224
225 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_KEEP_ALIVE_PERIOD,
226 &arg, sizeof(arg));
227 };
228
wfx_hif_set_arp_ipv4_filter(struct wfx_vif * wvif,int idx,__be32 * addr)229 int wfx_hif_set_arp_ipv4_filter(struct wfx_vif *wvif, int idx, __be32 *addr)
230 {
231 struct wfx_hif_mib_arp_ip_addr_table arg = {
232 .condition_idx = idx,
233 .arp_enable = HIF_ARP_NS_FILTERING_DISABLE,
234 };
235
236 if (addr) {
237 /* Caution: type of addr is __be32 */
238 memcpy(arg.ipv4_address, addr, sizeof(arg.ipv4_address));
239 arg.arp_enable = HIF_ARP_NS_FILTERING_ENABLE;
240 }
241 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_ARP_IP_ADDRESSES_TABLE,
242 &arg, sizeof(arg));
243 }
244
wfx_hif_use_multi_tx_conf(struct wfx_dev * wdev,bool enable)245 int wfx_hif_use_multi_tx_conf(struct wfx_dev *wdev, bool enable)
246 {
247 struct wfx_hif_mib_gl_set_multi_msg arg = {
248 .enable_multi_tx_conf = enable,
249 };
250
251 return wfx_hif_write_mib(wdev, -1, HIF_MIB_ID_GL_SET_MULTI_MSG, &arg, sizeof(arg));
252 }
253
wfx_hif_set_uapsd_info(struct wfx_vif * wvif,unsigned long val)254 int wfx_hif_set_uapsd_info(struct wfx_vif *wvif, unsigned long val)
255 {
256 struct wfx_hif_mib_set_uapsd_information arg = { };
257
258 if (val & BIT(IEEE80211_AC_VO))
259 arg.trig_voice = 1;
260 if (val & BIT(IEEE80211_AC_VI))
261 arg.trig_video = 1;
262 if (val & BIT(IEEE80211_AC_BE))
263 arg.trig_be = 1;
264 if (val & BIT(IEEE80211_AC_BK))
265 arg.trig_bckgrnd = 1;
266 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_SET_UAPSD_INFORMATION,
267 &arg, sizeof(arg));
268 }
269
wfx_hif_erp_use_protection(struct wfx_vif * wvif,bool enable)270 int wfx_hif_erp_use_protection(struct wfx_vif *wvif, bool enable)
271 {
272 struct wfx_hif_mib_non_erp_protection arg = {
273 .use_cts_to_self = enable,
274 };
275
276 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_NON_ERP_PROTECTION,
277 &arg, sizeof(arg));
278 }
279
wfx_hif_slot_time(struct wfx_vif * wvif,int val)280 int wfx_hif_slot_time(struct wfx_vif *wvif, int val)
281 {
282 struct wfx_hif_mib_slot_time arg = {
283 .slot_time = cpu_to_le32(val),
284 };
285
286 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_SLOT_TIME, &arg, sizeof(arg));
287 }
288
wfx_hif_wep_default_key_id(struct wfx_vif * wvif,int val)289 int wfx_hif_wep_default_key_id(struct wfx_vif *wvif, int val)
290 {
291 struct wfx_hif_mib_wep_default_key_id arg = {
292 .wep_default_key_id = val,
293 };
294
295 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_DOT11_WEP_DEFAULT_KEY_ID,
296 &arg, sizeof(arg));
297 }
298
wfx_hif_rts_threshold(struct wfx_vif * wvif,int val)299 int wfx_hif_rts_threshold(struct wfx_vif *wvif, int val)
300 {
301 struct wfx_hif_mib_dot11_rts_threshold arg = {
302 .threshold = cpu_to_le32(val >= 0 ? val : 0xFFFF),
303 };
304
305 return wfx_hif_write_mib(wvif->wdev, wvif->id, HIF_MIB_ID_DOT11_RTS_THRESHOLD,
306 &arg, sizeof(arg));
307 }
308