@@ -305,6 +305,13 @@ AC_DEFUN([OVS_CHECK_LINUX_TC], [
])],
[AC_DEFINE([HAVE_TCA_SKBEDIT_FLAGS], [1],
[Define to 1 if TCA_SKBEDIT_FLAGS is available.])])
+
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([#include <linux/gen_stats.h>], [
+ int x = TCA_STATS_PKT64;
+ ])],
+ [AC_DEFINE([HAVE_TCA_STATS_PKT64], [1],
+ [Define to 1 if TCA_STATS_PKT64 is available.])])
])
dnl OVS_CHECK_LINUX_SCTP_CT
@@ -2,6 +2,7 @@ noinst_HEADERS += \
include/linux/netlink.h \
include/linux/netfilter/nf_conntrack_sctp.h \
include/linux/pkt_cls.h \
+ include/linux/gen_stats.h \
include/linux/tc_act/tc_mpls.h \
include/linux/tc_act/tc_pedit.h \
include/linux/tc_act/tc_skbedit.h \
new file mode 100644
@@ -0,0 +1,81 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+#ifndef __LINUX_GEN_STATS_WRAPPER_H
+#define __LINUX_GEN_STATS_WRAPPER_H 1
+
+#if defined(__KERNEL__) || defined(HAVE_TCA_STATS_PKT64)
+#include_next <linux/gen_stats.h>
+#else
+#include <linux/types.h>
+
+enum {
+ TCA_STATS_UNSPEC,
+ TCA_STATS_BASIC,
+ TCA_STATS_RATE_EST,
+ TCA_STATS_QUEUE,
+ TCA_STATS_APP,
+ TCA_STATS_RATE_EST64,
+ TCA_STATS_PAD,
+ TCA_STATS_BASIC_HW,
+ TCA_STATS_PKT64,
+ __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_rate_est64 - rate estimator
+ * @bps: current byte rate
+ * @pps: current packet rate
+ */
+struct gnet_stats_rate_est64 {
+ __u64 bps;
+ __u64 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 /* __KERNEL__ || !HAVE_TCA_STATS_PKT64 */
+#endif /* __LINUX_GEN_STATS_WRAPPER_H */