net: buf: Add push functions for supported bit-variants

Add push functions for bit-widths supported by add and pull functions.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>

include/net/buf.h

@@ -384,6 +384,94 @@ void net_buf_simple_push_be16(struct net_buf_simple *buf, u16_t val);
  */
 void net_buf_simple_push_u8(struct net_buf_simple *buf, u8_t val);
 
+/**
+ * @brief Push 24-bit value to the beginning of the buffer
+ *
+ * Adds 24-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 24-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_le24(struct net_buf_simple *buf, u32_t val);
+
+/**
+ * @brief Push 24-bit value to the beginning of the buffer
+ *
+ * Adds 24-bit value in big endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 24-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_be24(struct net_buf_simple *buf, u32_t val);
+
+/**
+ * @brief Push 32-bit value to the beginning of the buffer
+ *
+ * Adds 32-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 32-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_le32(struct net_buf_simple *buf, u32_t val);
+
+/**
+ * @brief Push 32-bit value to the beginning of the buffer
+ *
+ * Adds 32-bit value in big endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 32-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_be32(struct net_buf_simple *buf, u32_t val);
+
+/**
+ * @brief Push 48-bit value to the beginning of the buffer
+ *
+ * Adds 48-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 48-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_le48(struct net_buf_simple *buf, u64_t val);
+
+/**
+ * @brief Push 48-bit value to the beginning of the buffer
+ *
+ * Adds 48-bit value in big endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 48-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_be48(struct net_buf_simple *buf, u64_t val);
+
+/**
+ * @brief Push 64-bit value to the beginning of the buffer
+ *
+ * Adds 64-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 64-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_le64(struct net_buf_simple *buf, u64_t val);
+
+/**
+ * @brief Push 64-bit value to the beginning of the buffer
+ *
+ * Adds 64-bit value in big endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 64-bit value to be pushed to the buffer.
+ */
+void net_buf_simple_push_be64(struct net_buf_simple *buf, u64_t val);
+
 /**
  * @brief Remove data from the beginning of the buffer.
  *
@@ -1409,6 +1497,102 @@ static inline void *net_buf_user_data(const struct net_buf *buf)
  */
 #define net_buf_push_u8(buf, val) net_buf_simple_push_u8(&(buf)->b, val)
 
+/**
+ * @def net_buf_push_le24
+ * @brief Push 24-bit value to the beginning of the buffer
+ *
+ * Adds 24-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 24-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_le24(buf, val) net_buf_simple_push_le24(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_be24
+ * @brief Push 24-bit value to the beginning of the buffer
+ *
+ * Adds 24-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 24-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_be24(buf, val) net_buf_simple_push_be24(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_le32
+ * @brief Push 32-bit value to the beginning of the buffer
+ *
+ * Adds 32-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 32-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_le32(buf, val) net_buf_simple_push_le32(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_be32
+ * @brief Push 32-bit value to the beginning of the buffer
+ *
+ * Adds 32-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 32-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_be32(buf, val) net_buf_simple_push_be32(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_le48
+ * @brief Push 48-bit value to the beginning of the buffer
+ *
+ * Adds 48-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 48-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_le48(buf, val) net_buf_simple_push_le48(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_be48
+ * @brief Push 48-bit value to the beginning of the buffer
+ *
+ * Adds 48-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 48-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_be48(buf, val) net_buf_simple_push_be48(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_le64
+ * @brief Push 64-bit value to the beginning of the buffer
+ *
+ * Adds 64-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 64-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_le64(buf, val) net_buf_simple_push_le64(&(buf)->b, val)
+
+/**
+ * @def net_buf_push_be64
+ * @brief Push 64-bit value to the beginning of the buffer
+ *
+ * Adds 64-bit value in little endian format to the beginning of the
+ * buffer.
+ *
+ * @param buf Buffer to update.
+ * @param val 64-bit value to be pushed to the buffer.
+ */
+#define net_buf_push_be64(buf, val) net_buf_simple_push_be64(&(buf)->b, val)
+
 /**
  * @def net_buf_pull
  * @brief Remove data from the beginning of the buffer.

subsys/net/buf.c

@@ -906,6 +906,62 @@ void net_buf_simple_push_u8(struct net_buf_simple *buf, u8_t val)
 	*data = val;
 }
 
+void net_buf_simple_push_le24(struct net_buf_simple *buf, u32_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %u", buf, val);
+
+	sys_put_le24(val, net_buf_simple_push(buf, 3));
+}
+
+void net_buf_simple_push_be24(struct net_buf_simple *buf, u32_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %u", buf, val);
+
+	sys_put_be24(val, net_buf_simple_push(buf, 3));
+}
+
+void net_buf_simple_push_le32(struct net_buf_simple *buf, u32_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %u", buf, val);
+
+	sys_put_le32(val, net_buf_simple_push(buf, sizeof(val)));
+}
+
+void net_buf_simple_push_be32(struct net_buf_simple *buf, u32_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %u", buf, val);
+
+	sys_put_be32(val, net_buf_simple_push(buf, sizeof(val)));
+}
+
+void net_buf_simple_push_le48(struct net_buf_simple *buf, u64_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %" PRIu64, buf, val);
+
+	sys_put_le48(val, net_buf_simple_push(buf, 6));
+}
+
+void net_buf_simple_push_be48(struct net_buf_simple *buf, u64_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %" PRIu64, buf, val);
+
+	sys_put_be48(val, net_buf_simple_push(buf, 6));
+}
+
+void net_buf_simple_push_le64(struct net_buf_simple *buf, u64_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %" PRIu64, buf, val);
+
+	sys_put_le64(val, net_buf_simple_push(buf, sizeof(val)));
+}
+
+void net_buf_simple_push_be64(struct net_buf_simple *buf, u64_t val)
+{
+	NET_BUF_SIMPLE_DBG("buf %p val %" PRIu64, buf, val);
+
+	sys_put_be64(val, net_buf_simple_push(buf, sizeof(val)));
+}
+
 void *net_buf_simple_pull(struct net_buf_simple *buf, size_t len)
 {
 	NET_BUF_SIMPLE_DBG("buf %p len %zu", buf, len);