libnl-tiny: add copy of linux/gen_stat.h, it's not available on brcm-2.4

SVN-Revision: 15756

package/libnl-tiny/src/include/linux/gen_stats.h

@@ -0,0 +1,67 @@
+#ifndef __LINUX_GEN_STATS_H
+#define __LINUX_GEN_STATS_H
+
+#include <linux/types.h>
+
+enum {
+	TCA_STATS_UNSPEC,
+	TCA_STATS_BASIC,
+	TCA_STATS_RATE_EST,
+	TCA_STATS_QUEUE,
+	TCA_STATS_APP,
+	__TCA_STATS_MAX,
+};
+#define TCA_STATS_MAX (__TCA_STATS_MAX - 1)
+
+/**
+ * struct gnet_stats_basic - byte/packet throughput statistics
+ * @bytes: number of seen bytes
+ * @packets: number of seen packets
+ */
+struct gnet_stats_basic
+{
+	__u64	bytes;
+	__u32	packets;
+};
+
+/**
+ * struct gnet_stats_rate_est - rate estimator
+ * @bps: current byte rate
+ * @pps: current packet rate
+ */
+struct gnet_stats_rate_est
+{
+	__u32	bps;
+	__u32	pps;
+};
+
+/**
+ * struct gnet_stats_queue - queuing statistics
+ * @qlen: queue length
+ * @backlog: backlog size of queue
+ * @drops: number of dropped packets
+ * @requeues: number of requeues
+ * @overlimits: number of enqueues over the limit
+ */
+struct gnet_stats_queue
+{
+	__u32	qlen;
+	__u32	backlog;
+	__u32	drops;
+	__u32	requeues;
+	__u32	overlimits;
+};
+
+/**
+ * struct gnet_estimator - rate estimator configuration
+ * @interval: sampling period
+ * @ewma_log: the log of measurement window weight
+ */
+struct gnet_estimator
+{
+	signed char	interval;
+	unsigned char	ewma_log;
+};
+
+
+#endif /* __LINUX_GEN_STATS_H */