qcacld-3.0: Update OFDM rates only if oper freq is 5GHz

In PE session, host updates supported rates from beacon IE stored
in BSS descriptor. If OFDM rates are present in beacon while
operating frequency is not from 5GHz band, host copies them into
PE session's supported rated.
Hence add a check to avoid adding OFDM rates while operating
frequency is not 5GHz.

Change-Id: Ia3b39b31269b79e6d1f96d3a0bddb185597c0303
CRs-Fixed: 2948058

core/mac/src/include/parser_api.h

@@ -1367,8 +1367,7 @@ bool wlan_check_rate_bitmap(uint8_t rate, uint16_t rate_bitmap);
 
 QDF_STATUS wlan_get_rate_set(struct mac_context *mac,
 			     tDot11fBeaconIEs *ie_struct,
-			     tSirMacRateSet *op_rate,
-			     tSirMacRateSet *ext_rate);
+			     struct pe_session *pe_session);
 
 void wlan_add_rate_bitmap(uint8_t rate, uint16_t *rate_bitmap);
 

core/mac/src/pe/lim/lim_process_sme_req_messages.c

@@ -2674,8 +2674,7 @@ lim_fill_pe_session(struct mac_context *mac_ctx, struct pe_session *session,
 		return QDF_STATUS_E_FAILURE;
 	}
 
-	status = wlan_get_rate_set(mac_ctx, ie_struct, &session->rateSet,
-				   &session->extRateSet);
+	status = wlan_get_rate_set(mac_ctx, ie_struct, session);
 	if (QDF_IS_STATUS_ERROR(status)) {
 		pe_err("Get rate failed vdev id %d", session->vdev_id);
 		lim_get_basic_rates(&session->rateSet, bss_desc->chan_freq);

core/mac/src/sys/legacy/src/utils/src/parser_api.c

@@ -7056,15 +7056,47 @@ void wlan_add_rate_bitmap(uint8_t rate, uint16_t *rate_bitmap)
 	}
 }
 
+static bool is_ofdm_rates(uint16_t rate)
+{
+	uint16_t n = BITS_OFF(rate, WLAN_DOT11_BASIC_RATE_MASK);
+
+	switch (n) {
+	case SIR_MAC_RATE_6:
+	case SIR_MAC_RATE_9:
+	case SIR_MAC_RATE_12:
+	case SIR_MAC_RATE_18:
+	case SIR_MAC_RATE_24:
+	case SIR_MAC_RATE_36:
+	case SIR_MAC_RATE_48:
+	case SIR_MAC_RATE_54:
+		return true;
+	default:
+		break;
+	}
+
+	return false;
+}
+
 QDF_STATUS wlan_get_rate_set(struct mac_context *mac,
 			     tDot11fBeaconIEs *ie_struct,
-			     tSirMacRateSet *op_rate,
-			     tSirMacRateSet *ext_rate)
+			     struct pe_session *pe_session)
 {
 	QDF_STATUS status = QDF_STATUS_E_FAILURE;
 	int i;
 	uint8_t *dst_rate;
 	uint16_t rateBitmap = 0;
+	bool is_5ghz_freq;
+	tSirMacRateSet *op_rate;
+	tSirMacRateSet *ext_rate;
+
+
+	if (!pe_session) {
+		pe_err("pe session is NULL");
+		return QDF_STATUS_E_INVAL;
+	}
+	op_rate = &pe_session->rateSet;
+	ext_rate = &pe_session->extRateSet;
+	is_5ghz_freq = wlan_reg_is_5ghz_ch_freq(pe_session->curr_op_freq);
 
 	qdf_mem_zero(op_rate, sizeof(tSirMacRateSet));
 	qdf_mem_zero(ext_rate, sizeof(tSirMacRateSet));
@@ -7085,7 +7117,11 @@ QDF_STATUS wlan_get_rate_set(struct mac_context *mac,
 	dst_rate = op_rate->rate;
 	if (ie_struct->SuppRates.present) {
 		for (i = 0; i < ie_struct->SuppRates.num_rates; i++) {
-			if (csr_rates_is_dot11_rate_supported(mac,
+			if (is_5ghz_freq &&
+			    !is_ofdm_rates(ie_struct->SuppRates.rates[i]))
+				continue;
+
+			if (wlan_rates_is_dot11_rate_supported(mac,
 				ie_struct->SuppRates.rates[i]) &&
 				!wlan_check_rate_bitmap(
 					ie_struct->SuppRates.rates[i],