qcacmn: Add the API wlan_reg_get_band_cap_from_op_class

Add the API wlan_reg_get_band_cap_from_op_class to get the supported
band capability from an list of operating class as input.

Change-Id: I58dc0bbe7c5436b889c12ac2d68bd769a3c702cf
CRs-fixed: 2617526

umac/regulatory/core/src/reg_opclass.c

@@ -261,8 +261,8 @@ static const struct reg_dmn_op_class_map_t japan_op_class[] = {
  *
  * Return: class.
  */
-static const
+static const struct reg_dmn_op_class_map_t
-struct reg_dmn_op_class_map_t *reg_get_class_from_country(uint8_t *country)
+*reg_get_class_from_country(const uint8_t *country)
 {
 	const struct reg_dmn_op_class_map_t *class = NULL;
 
@@ -369,6 +369,42 @@ uint8_t reg_dmn_get_opclass_from_freq_width(uint8_t *country,
 	return 0;
 }
 
+uint8_t reg_get_band_cap_from_op_class(const uint8_t *country,
+				       uint8_t num_of_opclass,
+				       const uint8_t *opclass)
+{
+	const struct reg_dmn_op_class_map_t *op_class_tbl;
+	uint8_t supported_band = 0, opclassidx;
+
+	op_class_tbl = reg_get_class_from_country(country);
+
+	while (op_class_tbl && op_class_tbl->op_class) {
+		for (opclassidx = 0; opclassidx < num_of_opclass;
+		     opclassidx++) {
+			if (op_class_tbl->op_class == opclass[opclassidx]) {
+				if (op_class_tbl->start_freq ==
+				    TWOG_START_FREQ) {
+					supported_band |= BIT(REG_BAND_2G);
+				} else if (op_class_tbl->start_freq ==
+					   FIVEG_START_FREQ) {
+					supported_band |= BIT(REG_BAND_5G);
+				} else if (op_class_tbl->start_freq ==
+					   SIXG_STARTING_FREQ) {
+					supported_band |= BIT(REG_BAND_6G);
+				} else {
+					reg_err_rl("Unknown band");
+				}
+			}
+		}
+		op_class_tbl++;
+	}
+
+	if (!supported_band)
+		reg_err_rl("None of the operating classes is found");
+
+	return supported_band;
+}
+
 void reg_dmn_print_channels_in_opclass(uint8_t *country, uint8_t op_class)
 {
 	const struct reg_dmn_op_class_map_t *class = NULL;

umac/regulatory/core/src/reg_opclass.h

@@ -62,6 +62,21 @@ uint8_t reg_dmn_get_opclass_from_freq_width(uint8_t *country,
 					    uint8_t ch_width,
 					    uint16_t behav_limit);
 
+/**
+ * reg_get_band_cap_from_op_class() - Return band capability bitmap
+ * @country: Pointer to Country code.
+ * @num_of_opclass: Number of Operating class.
+ * @opclass: Pointer to opclass.
+ *
+ * Return supported band bitmap based on the input operating class list
+ * provided.
+ *
+ * Return: Return supported band capability
+ */
+uint8_t reg_get_band_cap_from_op_class(const uint8_t *country,
+				       uint8_t num_of_opclass,
+				       const uint8_t *opclass);
+
 /**
  * reg_dmn_get_opclass_from_channe() - Print channels in op class.
  * @country: Country code.
@@ -265,6 +280,14 @@ uint8_t reg_dmn_get_opclass_from_freq_width(uint8_t *country,
 	return 0;
 }
 
+static inline
+uint8_t reg_get_band_cap_from_op_class(uint8_t *country,
+				       uint8_t num_of_opclass,
+				       const uint8_t *opclass)
+{
+	return 0;
+}
+
 static inline void reg_dmn_print_channels_in_opclass(uint8_t *country,
 						     uint8_t op_class)
 {

umac/regulatory/dispatcher/inc/reg_services_public_struct.h

@@ -40,6 +40,8 @@
 #define CH_AVOID_MAX_RANGE   4
 #define REG_ALPHA2_LEN 2
 #define MAX_REG_RULES 10
+#define TWOG_START_FREQ 2407
+#define FIVEG_START_FREQ 5000
 
 #define REGULATORY_CHAN_DISABLED     BIT(0)
 #define REGULATORY_CHAN_NO_IR        BIT(1)

umac/regulatory/dispatcher/inc/wlan_reg_services_api.h

@@ -561,6 +561,21 @@ uint8_t wlan_reg_get_opclass_from_freq_width(uint8_t *country,
 					     uint8_t ch_width,
 					     uint16_t behav_limit);
 
+/**
+ * wlan_reg_get_band_cap_from_op_class() - Return band capability bitmap
+ * @country: Pointer to Country code.
+ * @num_of_opclass: Number of Operating class.
+ * @opclass: Pointer to opclass.
+ *
+ * Return supported band bitmap based on the input operating class list
+ * provided.
+ *
+ * Return: Return supported band capability
+ */
+uint8_t wlan_reg_get_band_cap_from_op_class(const uint8_t *country,
+					    uint8_t num_of_opclass,
+					    const uint8_t *opclass);
+
 /**
  * wlan_reg_dmn_print_channels_in_opclass() - Print channels in op-class
  * @country: country alpha2

umac/regulatory/dispatcher/src/wlan_reg_services_api.c

@@ -267,6 +267,14 @@ uint16_t wlan_reg_dmn_get_opclass_from_channel(uint8_t *country,
 						offset);
 }
 
+uint8_t wlan_reg_get_band_cap_from_op_class(const uint8_t *country,
+					    uint8_t num_of_opclass,
+					    const uint8_t *opclass)
+{
+	return reg_get_band_cap_from_op_class(country,
+					      num_of_opclass, opclass);
+}
+
 uint8_t wlan_reg_get_opclass_from_freq_width(uint8_t *country,
 					     qdf_freq_t freq,
 					     uint8_t ch_width,