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authorDapeng Mi <dapeng1.mi@linux.intel.com>2026-09-17 09:52:33 +0800
committerIngo Molnar <mingo@kernel.org>2026-09-22 11:37:46 +0200
commit0102c8c7fdfc4bd700971daff2b94470f4eafae4 (patch)
tree531306c2299f9a269f0a986e29f17ba972180104 /net/openvswitch/meter.h
downloadlinux-stable-0102c8c7fdfc4bd700971daff2b94470f4eafae4.tar.gz
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perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rspgrafted
DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org> Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com
Diffstat (limited to 'net/openvswitch/meter.h')
-rw-r--r--net/openvswitch/meter.h62
1 files changed, 62 insertions, 0 deletions
diff --git a/net/openvswitch/meter.h b/net/openvswitch/meter.h
new file mode 100644
index 000000000..8bbf983cd
--- /dev/null
+++ b/net/openvswitch/meter.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2017 Nicira, Inc.
+ */
+
+#ifndef METER_H
+#define METER_H 1
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/netlink.h>
+#include <linux/openvswitch.h>
+#include <linux/skbuff.h>
+#include <linux/bits.h>
+
+#include "flow.h"
+struct datapath;
+
+#define DP_MAX_BANDS 1
+#define DP_METER_ARRAY_SIZE_MIN BIT_ULL(10)
+#define DP_METER_NUM_MAX (200000UL)
+
+struct dp_meter_band {
+ u32 type;
+ u32 rate;
+ u32 burst_size;
+ u64 bucket; /* 1/1000 packets, or in bits */
+ struct ovs_flow_stats stats;
+};
+
+struct dp_meter {
+ spinlock_t lock; /* Per meter lock */
+ struct rcu_head rcu;
+ u32 id;
+ u16 kbps:1, keep_stats:1;
+ u16 n_bands;
+ u32 max_delta_t;
+ u64 used;
+ struct ovs_flow_stats stats;
+ struct dp_meter_band bands[] __counted_by(n_bands);
+};
+
+struct dp_meter_instance {
+ struct rcu_head rcu;
+ u32 n_meters;
+ struct dp_meter __rcu *dp_meters[] __counted_by(n_meters);
+};
+
+struct dp_meter_table {
+ struct dp_meter_instance __rcu *ti;
+ u32 count;
+ u32 max_meters_allowed;
+};
+
+extern struct genl_family dp_meter_genl_family;
+int ovs_meters_init(struct datapath *dp);
+void ovs_meters_exit(struct datapath *dp);
+bool ovs_meter_execute(struct datapath *dp, struct sk_buff *skb,
+ struct sw_flow_key *key, u32 meter_id);
+
+#endif /* meter.h */