qcacmn: Implement QDF API to get queue mapping and total ram size

This change adds the following QDF APIs -

qdf_nbuf_get_queue_mapping: To get the queue mapping set by linux kernel

qdf_get_totalramsize: To get total ram size in Kb

Change-Id: I86daffebba759c086d15951dfcc72ea626c74bb4
CRs-Fixed: 1055387

qdf/inc/qdf_nbuf.h

@@ -2041,6 +2041,12 @@ static inline void qdf_nbuf_set_priority(qdf_nbuf_t buf, uint32_t p)
 	__qdf_nbuf_set_priority(buf, p);
 }
 
+static inline uint16_t
+qdf_nbuf_get_queue_mapping(qdf_nbuf_t buf)
+{
+	return __qdf_nbuf_get_queue_mapping(buf);
+}
+
 static inline uint8_t *
 qdf_nbuf_get_priv_ptr(qdf_nbuf_t buf)
 {

qdf/inc/qdf_util.h

@@ -433,5 +433,10 @@ static inline int qdf_device_init_wakeup(qdf_device_t qdf_dev, bool enable)
 	return __qdf_device_init_wakeup(qdf_dev, enable);
 }
 
+static inline
+uint64_t qdf_get_totalramsize(void)
+{
+	return __qdf_get_totalramsize();
+}
 
 #endif /*_QDF_UTIL_H*/

qdf/linux/src/i_qdf_nbuf.h

@@ -1670,4 +1670,16 @@ __qdf_nbuf_mark_wakeup_frame(__qdf_nbuf_t buf)
 	buf->mark |= QDF_MARK_FIRST_WAKEUP_PACKET;
 }
 
+/**
+ * __qdf_nbuf_get_queue_mapping() - get the queue mapping set by linux kernel
+ *
+ * @buf: sk buff
+ *
+ * Return: Queue mapping
+ */
+static inline uint16_t
+__qdf_nbuf_get_queue_mapping(struct sk_buff *skb)
+{
+	return skb->queue_mapping;
+}
 #endif /*_I_QDF_NET_BUF_H */

qdf/linux/src/i_qdf_util.h

@@ -36,6 +36,7 @@
 #include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
+#include <linux/mm.h>
 #include <errno.h>
 
 #include <linux/random.h>
@@ -195,6 +196,8 @@ static inline bool __qdf_is_macaddr_equal(struct qdf_mac_addr *mac_addr1,
 #define __qdf_min(_a, _b)         ((_a) < (_b) ? _a : _b)
 #define __qdf_max(_a, _b)         ((_a) > (_b) ? _a : _b)
 
+#define MEMINFO_KB(x)  ((x) << (PAGE_SHIFT - 10))   /* In kilobytes */
+
 /**
  * @brief Assert
  */
@@ -276,4 +279,17 @@ static inline int __qdf_device_init_wakeup(__qdf_device_t qdf_dev, bool enable)
 	return device_init_wakeup(qdf_dev->dev, enable);
 }
 
+/**
+ * __qdf_get_totalramsize() -  Get total ram size in Kb
+ *
+ * Return: Total ram size in Kb
+ */
+static inline uint64_t
+__qdf_get_totalramsize(void)
+{
+	struct sysinfo meminfo;
+	si_meminfo(&meminfo);
+	return MEMINFO_KB(meminfo.totalram);
+}
+
 #endif /*_I_QDF_UTIL_H*/