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authorDavid Howells2012-10-13 11:46:48 +0200
committerDavid Howells2012-10-13 11:46:48 +0200
commit607ca46e97a1b6594b29647d98a32d545c24bdff (patch)
tree30f4c0784bfddb57332cdc0678bd06d1e77fa185 /include/uapi/linux/gen_stats.h
parentUAPI: Unexport linux/blk_types.h (diff)
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UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'include/uapi/linux/gen_stats.h')
-rw-r--r--include/uapi/linux/gen_stats.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/include/uapi/linux/gen_stats.h b/include/uapi/linux/gen_stats.h
new file mode 100644
index 000000000000..552c8a0a12d1
--- /dev/null
+++ b/include/uapi/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_basic_packed {
+ __u64 bytes;
+ __u32 packets;
+} __attribute__ ((packed));
+
+/**
+ * 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 */