1 // SPDX-License-Identifier: GPL-2.0-only
5  * Copyright 2011-2020 NXP
83 /* AC rates */
181  * This function maps an index in supported rates table into
182  * the corresponding data rate.
202 			rate = ac_mcs_rate_nss2[2 * (3 - bw) + gi][mcs_index];  in mwifiex_index_to_acs_data_rate()
204 			rate = ac_mcs_rate_nss1[2 * (3 - bw) + gi][mcs_index];  in mwifiex_index_to_acs_data_rate()
219 				rate = mcs_rate[2 * (1 - bw) + gi][index];  in mwifiex_index_to_acs_data_rate()
226 		/* 11n non-HT rates */  in mwifiex_index_to_acs_data_rate()
235 /* This function maps an index in supported rates table into
236  * the corresponding data rate.
242 		(priv->adapter->user_dev_mcs_support == HT_STREAM_2X2) ? 16 : 8;  in mwifiex_index_to_data_rate()
245 	if (priv->adapter->is_hw_11ac_capable)  in mwifiex_index_to_data_rate()
281  * This function returns the current active data rates.
285 u32 mwifiex_get_active_data_rates(struct mwifiex_private *priv, u8 *rates)  in mwifiex_get_active_data_rates()  argument
287 	if (!priv->media_connected)  in mwifiex_get_active_data_rates()
288 		return mwifiex_get_supported_rates(priv, rates);  in mwifiex_get_active_data_rates()
290 		return mwifiex_copy_rates(rates, 0,  in mwifiex_get_active_data_rates()
291 					  priv->curr_bss_params.data_rates,  in mwifiex_get_active_data_rates()
292 					  priv->curr_bss_params.num_of_rates);  in mwifiex_get_active_data_rates()
296  * This function locates the Channel-Frequency-Power triplet based upon
311 		sband = priv->wdev.wiphy->bands[NL80211_BAND_2GHZ];  in mwifiex_get_cfp()
313 		sband = priv->wdev.wiphy->bands[NL80211_BAND_5GHZ];  in mwifiex_get_cfp()
316 		mwifiex_dbg(priv->adapter, ERROR,  in mwifiex_get_cfp()
322 	for (i = 0; i < sband->n_channels; i++) {  in mwifiex_get_cfp()
323 		ch = &sband->channels[i];  in mwifiex_get_cfp()
325 		if (ch->flags & IEEE80211_CHAN_DISABLED)  in mwifiex_get_cfp()
329 			if (ch->center_freq == freq)  in mwifiex_get_cfp()
333 			if (ch->hw_value == channel ||  in mwifiex_get_cfp()
338 	if (i == sband->n_channels) {  in mwifiex_get_cfp()
339 		mwifiex_dbg(priv->adapter, WARN,  in mwifiex_get_cfp()
347 		priv->cfp.channel = ch->hw_value;  in mwifiex_get_cfp()
348 		priv->cfp.freq = ch->center_freq;  in mwifiex_get_cfp()
349 		priv->cfp.max_tx_power = ch->max_power;  in mwifiex_get_cfp()
350 		cfp = &priv->cfp;  in mwifiex_get_cfp()
357  * This function checks if the data rate is set to auto.
365 	for (i = 0; i < ARRAY_SIZE(priv->bitmap_rates); i++)  in mwifiex_is_rate_auto()
366 		if (priv->bitmap_rates[i])  in mwifiex_is_rate_auto()
375 /* This function gets the supported data rates from bitmask inside
379 				    u8 *rates, u8 radio_type)  in mwifiex_get_rates_from_cfg80211()  argument
381 	struct wiphy *wiphy = priv->adapter->wiphy;  in mwifiex_get_rates_from_cfg80211()
382 	struct cfg80211_scan_request *request = priv->scan_request;  in mwifiex_get_rates_from_cfg80211()
388 		sband = wiphy->bands[NL80211_BAND_5GHZ];  in mwifiex_get_rates_from_cfg80211()
391 		rate_mask = request->rates[NL80211_BAND_5GHZ];  in mwifiex_get_rates_from_cfg80211()
393 		sband = wiphy->bands[NL80211_BAND_2GHZ];  in mwifiex_get_rates_from_cfg80211()
396 		rate_mask = request->rates[NL80211_BAND_2GHZ];  in mwifiex_get_rates_from_cfg80211()
400 	for (i = 0; i < sband->n_bitrates; i++) {  in mwifiex_get_rates_from_cfg80211()
403 		rates[num_rates++] = (u8)(sband->bitrates[i].bitrate / 5);  in mwifiex_get_rates_from_cfg80211()
409 /* This function gets the supported data rates. The function works in
410  * both Ad-Hoc and infra mode by printing the band and returning the
411  * data rates.
413 u32 mwifiex_get_supported_rates(struct mwifiex_private *priv, u8 *rates)  in mwifiex_get_supported_rates()  argument
416 	struct mwifiex_adapter *adapter = priv->adapter;  in mwifiex_get_supported_rates()
418 	if (priv->bss_mode == NL80211_IFTYPE_STATION ||  in mwifiex_get_supported_rates()
419 	    priv->bss_mode == NL80211_IFTYPE_P2P_CLIENT) {  in mwifiex_get_supported_rates()
420 		switch (adapter->config_bands) {  in mwifiex_get_supported_rates()
424 				    adapter->config_bands);  in mwifiex_get_supported_rates()
425 			k = mwifiex_copy_rates(rates, k, supported_rates_b,  in mwifiex_get_supported_rates()
432 				    adapter->config_bands);  in mwifiex_get_supported_rates()
433 			k = mwifiex_copy_rates(rates, k, supported_rates_g,  in mwifiex_get_supported_rates()
444 				    adapter->config_bands);  in mwifiex_get_supported_rates()
445 			k = mwifiex_copy_rates(rates, k, supported_rates_bg,  in mwifiex_get_supported_rates()
452 				    adapter->config_bands);  in mwifiex_get_supported_rates()
453 			k = mwifiex_copy_rates(rates, k, supported_rates_a,  in mwifiex_get_supported_rates()
463 				    adapter->config_bands);  in mwifiex_get_supported_rates()
464 			k = mwifiex_copy_rates(rates, k, supported_rates_a,  in mwifiex_get_supported_rates()
470 				    adapter->config_bands);  in mwifiex_get_supported_rates()
471 			k = mwifiex_copy_rates(rates, k, supported_rates_n,  in mwifiex_get_supported_rates()
476 		/* Ad-hoc mode */  in mwifiex_get_supported_rates()
477 		switch (adapter->adhoc_start_band) {  in mwifiex_get_supported_rates()
480 			k = mwifiex_copy_rates(rates, k, adhoc_rates_b,  in mwifiex_get_supported_rates()
486 			k = mwifiex_copy_rates(rates, k, adhoc_rates_g,  in mwifiex_get_supported_rates()
492 			k = mwifiex_copy_rates(rates, k, adhoc_rates_bg,  in mwifiex_get_supported_rates()
498 			k = mwifiex_copy_rates(rates, k, adhoc_rates_a,  in mwifiex_get_supported_rates()
520 			      rx_rate - 1 : rx_rate;  in mwifiex_adjust_data_rate()
523 		rate_index = MWIFIEX_MAX_AC_RX_RATES - 1;  in mwifiex_adjust_data_rate()