1 /*
2  * Copyright (c) 2013-2020 The Linux Foundation. All rights reserved.
3  * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <osdep.h>
21 #include <wmi.h>
22 #include <wmi_unified_priv.h>
23 #include <wmi_unified_concurrency_api.h>
24 #ifdef WLAN_FEATURE_MCC_QUOTA
25 #include <wlan_p2p_mcc_quota_public_struct.h>
26 #endif
27 
28 /**
29  * send_set_enable_disable_mcc_adaptive_scheduler_cmd_tlv() -enable/disable
30  *							     mcc scheduler
31  * @wmi_handle: wmi handle
32  * @mcc_adaptive_scheduler: enable/disable
33  * @pdev_id: pdev identifier
34  *
35  * This function enable/disable mcc adaptive scheduler in fw.
36  *
37  * Return: QDF_STATUS_SUCCESS for success or error code
38  */
send_set_enable_disable_mcc_adaptive_scheduler_cmd_tlv(wmi_unified_t wmi_handle,uint32_t mcc_adaptive_scheduler,uint32_t pdev_id)39 static QDF_STATUS send_set_enable_disable_mcc_adaptive_scheduler_cmd_tlv(
40 		wmi_unified_t wmi_handle, uint32_t mcc_adaptive_scheduler,
41 		uint32_t pdev_id)
42 {
43 	QDF_STATUS ret;
44 	wmi_buf_t buf = 0;
45 	wmi_resmgr_adaptive_ocs_enable_disable_cmd_fixed_param *cmd = NULL;
46 	uint16_t len =
47 		sizeof(wmi_resmgr_adaptive_ocs_enable_disable_cmd_fixed_param);
48 
49 	buf = wmi_buf_alloc(wmi_handle, len);
50 	if (!buf) {
51 		return QDF_STATUS_E_NOMEM;
52 	}
53 	cmd = (wmi_resmgr_adaptive_ocs_enable_disable_cmd_fixed_param *)
54 		wmi_buf_data(buf);
55 
56 	WMITLV_SET_HDR(&cmd->tlv_header,
57 		       WMITLV_TAG_STRUC_wmi_resmgr_adaptive_ocs_enable_disable_cmd_fixed_param,
58 		       WMITLV_GET_STRUCT_TLVLEN
59 			       (wmi_resmgr_adaptive_ocs_enable_disable_cmd_fixed_param));
60 	cmd->enable = mcc_adaptive_scheduler;
61 	cmd->pdev_id = wmi_handle->ops->convert_pdev_id_host_to_target(
62 								wmi_handle,
63 								pdev_id);
64 
65 	wmi_mtrace(WMI_RESMGR_ADAPTIVE_OCS_ENABLE_DISABLE_CMDID, NO_SESSION, 0);
66 	ret = wmi_unified_cmd_send(wmi_handle, buf, len,
67 				   WMI_RESMGR_ADAPTIVE_OCS_ENABLE_DISABLE_CMDID);
68 	if (QDF_IS_STATUS_ERROR(ret)) {
69 		wmi_err("Failed to send enable/disable MCC"
70 			" adaptive scheduler command");
71 		wmi_buf_free(buf);
72 	}
73 
74 	return ret;
75 }
76 
77 /**
78  * send_set_mcc_channel_time_latency_cmd_tlv() -set MCC channel time latency
79  * @wmi_handle: wmi handle
80  * @mcc_channel_freq: mcc channel frequency in MHz
81  * @mcc_channel_time_latency: MCC channel time latency.
82  *
83  * Currently used to set time latency for an MCC vdev/adapter using operating
84  * channel of it and channel number. The info is provided run time using
85  * iwpriv command: iwpriv <wlan0 | p2p0> setMccLatency <latency in ms>.
86  *
87  * Return: QDF status
88  */
send_set_mcc_channel_time_latency_cmd_tlv(wmi_unified_t wmi_handle,uint32_t mcc_channel_freq,uint32_t mcc_channel_time_latency)89 static QDF_STATUS send_set_mcc_channel_time_latency_cmd_tlv(
90 					wmi_unified_t wmi_handle,
91 					uint32_t mcc_channel_freq,
92 					uint32_t mcc_channel_time_latency)
93 {
94 	QDF_STATUS ret;
95 	wmi_buf_t buf = 0;
96 	wmi_resmgr_set_chan_latency_cmd_fixed_param *cmdTL = NULL;
97 	uint16_t len = 0;
98 	uint8_t *buf_ptr = NULL;
99 	wmi_resmgr_chan_latency chan_latency;
100 	/* Note: we only support MCC time latency for a single channel */
101 	uint32_t num_channels = 1;
102 	uint32_t chan1_freq = mcc_channel_freq;
103 	uint32_t latency_chan1 = mcc_channel_time_latency;
104 
105 	/* If 0ms latency is provided, then FW will set to a default.
106 	 * Otherwise, latency must be at least 30ms.
107 	 */
108 	if ((latency_chan1 > 0) &&
109 	    (latency_chan1 < WMI_MCC_MIN_NON_ZERO_CHANNEL_LATENCY)) {
110 		wmi_err("Invalid time latency for Channel #1 = %dms "
111 			 "Minimum is 30ms (or 0 to use default value by "
112 			 "firmware)", latency_chan1);
113 		return QDF_STATUS_E_INVAL;
114 	}
115 
116 	/*   Set WMI CMD for channel time latency here */
117 	len = sizeof(wmi_resmgr_set_chan_latency_cmd_fixed_param) +
118 	      WMI_TLV_HDR_SIZE +  /*Place holder for chan_time_latency array */
119 	      num_channels * sizeof(wmi_resmgr_chan_latency);
120 	buf = wmi_buf_alloc(wmi_handle, len);
121 	if (!buf) {
122 		return QDF_STATUS_E_NOMEM;
123 	}
124 	buf_ptr = (uint8_t *) wmi_buf_data(buf);
125 	cmdTL = (wmi_resmgr_set_chan_latency_cmd_fixed_param *)
126 		wmi_buf_data(buf);
127 	WMITLV_SET_HDR(&cmdTL->tlv_header,
128 		WMITLV_TAG_STRUC_wmi_resmgr_set_chan_latency_cmd_fixed_param,
129 		       WMITLV_GET_STRUCT_TLVLEN
130 		       (wmi_resmgr_set_chan_latency_cmd_fixed_param));
131 	cmdTL->num_chans = num_channels;
132 	/* Update channel time latency information for home channel(s) */
133 	buf_ptr += sizeof(*cmdTL);
134 	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE,
135 		       num_channels * sizeof(wmi_resmgr_chan_latency));
136 	buf_ptr += WMI_TLV_HDR_SIZE;
137 	chan_latency.chan_mhz = chan1_freq;
138 	chan_latency.latency = latency_chan1;
139 	qdf_mem_copy(buf_ptr, &chan_latency, sizeof(chan_latency));
140 	wmi_mtrace(WMI_RESMGR_SET_CHAN_LATENCY_CMDID, NO_SESSION, 0);
141 	ret = wmi_unified_cmd_send(wmi_handle, buf, len,
142 				   WMI_RESMGR_SET_CHAN_LATENCY_CMDID);
143 	if (QDF_IS_STATUS_ERROR(ret)) {
144 		wmi_err("Failed to send MCC Channel Time Latency command");
145 		wmi_buf_free(buf);
146 		QDF_ASSERT(0);
147 	}
148 
149 	return ret;
150 }
151 
152 /**
153  * send_set_mcc_channel_time_quota_cmd_tlv() -set MCC channel time quota
154  * @wmi_handle: wmi handle
155  * @adapter_1_chan_freq: adapter 1 channel frequency in MHz
156  * @adapter_1_quota: adapter 1 quota
157  * @adapter_2_chan_freq: adapter 2 channel frequency in MHz
158  *
159  * Return: QDF status
160  */
send_set_mcc_channel_time_quota_cmd_tlv(wmi_unified_t wmi_handle,uint32_t adapter_1_chan_freq,uint32_t adapter_1_quota,uint32_t adapter_2_chan_freq)161 static QDF_STATUS send_set_mcc_channel_time_quota_cmd_tlv(
162 					wmi_unified_t wmi_handle,
163 					uint32_t adapter_1_chan_freq,
164 					uint32_t adapter_1_quota,
165 					uint32_t adapter_2_chan_freq)
166 {
167 	QDF_STATUS ret;
168 	wmi_buf_t buf = 0;
169 	uint16_t len = 0;
170 	uint8_t *buf_ptr = NULL;
171 	wmi_resmgr_set_chan_time_quota_cmd_fixed_param *cmdTQ = NULL;
172 	wmi_resmgr_chan_time_quota chan_quota;
173 	uint32_t quota_chan1 = adapter_1_quota;
174 	/* Knowing quota of 1st chan., derive quota for 2nd chan. */
175 	uint32_t quota_chan2 = 100 - quota_chan1;
176 	/* Note: setting time quota for MCC requires info for 2 channels */
177 	uint32_t num_channels = 2;
178 	uint32_t chan1_freq = adapter_1_chan_freq;
179 	uint32_t chan2_freq = adapter_2_chan_freq;
180 
181 	wmi_debug("freq1:%dMHz, Quota1:%dms, freq2:%dMHz, Quota2:%dms",
182 		 chan1_freq, quota_chan1, chan2_freq, quota_chan2);
183 
184 	/*
185 	 * Perform sanity check on time quota values provided.
186 	 */
187 	if (quota_chan1 < WMI_MCC_MIN_CHANNEL_QUOTA ||
188 	    quota_chan1 > WMI_MCC_MAX_CHANNEL_QUOTA) {
189 		wmi_err("Invalid time quota for Chan #1=%dms. Min: %dms, Max: %dms",
190 			quota_chan1, WMI_MCC_MIN_CHANNEL_QUOTA,
191 			WMI_MCC_MAX_CHANNEL_QUOTA);
192 		return QDF_STATUS_E_INVAL;
193 	}
194 	/* Set WMI CMD for channel time quota here */
195 	len = sizeof(wmi_resmgr_set_chan_time_quota_cmd_fixed_param) +
196 	      WMI_TLV_HDR_SIZE +       /* Place holder for chan_time_quota array */
197 	      num_channels * sizeof(wmi_resmgr_chan_time_quota);
198 	buf = wmi_buf_alloc(wmi_handle, len);
199 	if (!buf) {
200 		return QDF_STATUS_E_NOMEM;
201 	}
202 	buf_ptr = (uint8_t *) wmi_buf_data(buf);
203 	cmdTQ = (wmi_resmgr_set_chan_time_quota_cmd_fixed_param *)
204 		wmi_buf_data(buf);
205 	WMITLV_SET_HDR(&cmdTQ->tlv_header,
206 		       WMITLV_TAG_STRUC_wmi_resmgr_set_chan_time_quota_cmd_fixed_param,
207 		       WMITLV_GET_STRUCT_TLVLEN
208 			       (wmi_resmgr_set_chan_time_quota_cmd_fixed_param));
209 	cmdTQ->num_chans = num_channels;
210 
211 	/* Update channel time quota information for home channel(s) */
212 	buf_ptr += sizeof(*cmdTQ);
213 	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_BYTE,
214 		       num_channels * sizeof(wmi_resmgr_chan_time_quota));
215 	buf_ptr += WMI_TLV_HDR_SIZE;
216 	chan_quota.chan_mhz = chan1_freq;
217 	chan_quota.channel_time_quota = quota_chan1;
218 	qdf_mem_copy(buf_ptr, &chan_quota, sizeof(chan_quota));
219 	/* Construct channel and quota record for the 2nd MCC mode. */
220 	buf_ptr += sizeof(chan_quota);
221 	chan_quota.chan_mhz = chan2_freq;
222 	chan_quota.channel_time_quota = quota_chan2;
223 	qdf_mem_copy(buf_ptr, &chan_quota, sizeof(chan_quota));
224 
225 	wmi_mtrace(WMI_RESMGR_SET_CHAN_TIME_QUOTA_CMDID, NO_SESSION, 0);
226 	ret = wmi_unified_cmd_send(wmi_handle, buf, len,
227 				   WMI_RESMGR_SET_CHAN_TIME_QUOTA_CMDID);
228 	if (QDF_IS_STATUS_ERROR(ret)) {
229 		wmi_err("Failed to send MCC Channel Time Quota command");
230 		wmi_buf_free(buf);
231 		QDF_ASSERT(0);
232 	}
233 
234 	return ret;
235 }
236 
237 #ifdef WLAN_FEATURE_MCC_QUOTA
238 /**
239  * convert_to_host_quota_type() - convert wmi quota type to host quota type
240  * @quota_type: wmi target quota type
241  *
242  * Return: enum mcc_quota_type
243  */
convert_to_host_quota_type(uint32_t quota_type)244 static enum mcc_quota_type convert_to_host_quota_type(uint32_t quota_type)
245 {
246 	switch (quota_type) {
247 	case WMI_RESMGR_QUOTA_TYPE_CLEAR:
248 		return QUOTA_TYPE_CLEAR;
249 	case WMI_RESMGR_QUOTA_TYPE_FIXED:
250 		return QUOTA_TYPE_FIXED;
251 	case WMI_RESMGR_QUOTA_TYPE_DYNAMIC:
252 		return QUOTA_TYPE_DYNAMIC;
253 	default:
254 		wmi_err("mcc quota unknown quota type %d", quota_type);
255 		return QUOTA_TYPE_UNKNOWN;
256 	}
257 }
258 
259 /**
260  * extract_mcc_quota_ev_param_tlv() - extract mcc quota information from wmi
261  *    event
262  * @wmi_handle: wmi handle
263  * @evt_buf: pointer to event buffer
264  * @param: Pointer to hold mcc quota info
265  *
266  * Return: QDF_STATUS_SUCCESS for success or error code
267  */
268 static QDF_STATUS
extract_mcc_quota_ev_param_tlv(wmi_unified_t wmi_handle,void * evt_buf,struct mcc_quota_info * param)269 extract_mcc_quota_ev_param_tlv(wmi_unified_t wmi_handle,
270 			       void *evt_buf, struct mcc_quota_info *param)
271 {
272 	WMI_RESMGR_CHAN_TIME_QUOTA_CHANGED_EVENTID_param_tlvs *param_tlvs;
273 	wmi_resmgr_chan_time_quota_changed_event_fixed_param *fixed_param;
274 	uint8_t i;
275 	wmi_resmgr_chan_time_quota_tlv *wmi_mcc_quota_info;
276 
277 	if (!param) {
278 		wmi_err("mcc quota information param is null");
279 		return QDF_STATUS_E_INVAL;
280 	}
281 
282 	param_tlvs = evt_buf;
283 	if (!param_tlvs || !param_tlvs->fixed_param) {
284 		wmi_err("Invalid mcc quota event buffer");
285 		return QDF_STATUS_E_INVAL;
286 	}
287 	fixed_param = param_tlvs->fixed_param;
288 
289 	wmi_debug("mcc quota type %d, num %d",
290 		  fixed_param->quota_type, param_tlvs->num_chan_quota);
291 
292 	param->type = convert_to_host_quota_type(fixed_param->quota_type);
293 	if (param->type == QUOTA_TYPE_UNKNOWN)
294 		return QDF_STATUS_E_INVAL;
295 
296 	if (!param_tlvs->chan_quota) {
297 		param->num_chan_quota = 0;
298 		return QDF_STATUS_SUCCESS;
299 	}
300 
301 	if (param_tlvs->num_chan_quota > MAX_MCC_QUOTA_CH_NUM)
302 		wmi_warn("mcc quota num %d unexpected",
303 			 param_tlvs->num_chan_quota);
304 	param->num_chan_quota = qdf_min(param_tlvs->num_chan_quota,
305 					(uint32_t)MAX_MCC_QUOTA_CH_NUM);
306 	wmi_mcc_quota_info = param_tlvs->chan_quota;
307 	for (i = 0; i < param->num_chan_quota; i++) {
308 		param->chan_quota[i].chan_mhz =
309 			wmi_mcc_quota_info[i].chan_time_quota.chan_mhz;
310 		param->chan_quota[i].channel_time_quota =
311 			wmi_mcc_quota_info[i].chan_time_quota.channel_time_quota;
312 		wmi_debug("mcc quota [%d] chan %d, quota %d",
313 			  i, param->chan_quota[i].chan_mhz,
314 			  param->chan_quota[i].channel_time_quota);
315 	}
316 
317 	return QDF_STATUS_SUCCESS;
318 }
319 
wmi_mcc_quota_evt_attach_tlv(wmi_unified_t wmi_handle)320 static void wmi_mcc_quota_evt_attach_tlv(wmi_unified_t wmi_handle)
321 {
322 	struct wmi_ops *ops = wmi_handle->ops;
323 
324 	ops->extract_mcc_quota_ev_param = extract_mcc_quota_ev_param_tlv;
325 }
326 #else
wmi_mcc_quota_evt_attach_tlv(wmi_unified_t wmi_handle)327 static inline void wmi_mcc_quota_evt_attach_tlv(wmi_unified_t wmi_handle)
328 {
329 }
330 #endif
331 
wmi_concurrency_attach_tlv(wmi_unified_t wmi_handle)332 void wmi_concurrency_attach_tlv(wmi_unified_t wmi_handle)
333 {
334 	struct wmi_ops *ops = wmi_handle->ops;
335 
336 	ops->send_set_enable_disable_mcc_adaptive_scheduler_cmd =
337 		send_set_enable_disable_mcc_adaptive_scheduler_cmd_tlv;
338 	ops->send_set_mcc_channel_time_latency_cmd =
339 		send_set_mcc_channel_time_latency_cmd_tlv;
340 	ops->send_set_mcc_channel_time_quota_cmd =
341 		send_set_mcc_channel_time_quota_cmd_tlv;
342 	wmi_mcc_quota_evt_attach_tlv(wmi_handle);
343 }
344