From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/net/openvswitch/flow_table.h | 65 ++++++++++++++++++++++----------
1 files changed, 45 insertions(+), 20 deletions(-)
diff --git a/kernel/net/openvswitch/flow_table.h b/kernel/net/openvswitch/flow_table.h
index 2dd9900..9e659db 100644
--- a/kernel/net/openvswitch/flow_table.h
+++ b/kernel/net/openvswitch/flow_table.h
@@ -1,19 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2007-2013 Nicira, Inc.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
- * 02110-1301, USA
*/
#ifndef FLOW_TABLE_H
@@ -29,26 +16,54 @@
#include <linux/in6.h>
#include <linux/jiffies.h>
#include <linux/time.h>
-#include <linux/flex_array.h>
#include <net/inet_ecn.h>
#include <net/ip_tunnels.h>
#include "flow.h"
+struct mask_cache_entry {
+ u32 skb_hash;
+ u32 mask_index;
+};
+
+struct mask_cache {
+ struct rcu_head rcu;
+ u32 cache_size; /* Must be ^2 value. */
+ struct mask_cache_entry __percpu *mask_cache;
+};
+
+struct mask_count {
+ int index;
+ u64 counter;
+};
+
+struct mask_array_stats {
+ struct u64_stats_sync syncp;
+ u64 usage_cntrs[];
+};
+
+struct mask_array {
+ struct rcu_head rcu;
+ int count, max;
+ struct mask_array_stats __percpu *masks_usage_stats;
+ u64 *masks_usage_zero_cntr;
+ struct sw_flow_mask __rcu *masks[];
+};
+
struct table_instance {
- struct flex_array *buckets;
+ struct hlist_head *buckets;
unsigned int n_buckets;
struct rcu_head rcu;
int node_ver;
u32 hash_seed;
- bool keep_flows;
};
struct flow_table {
struct table_instance __rcu *ti;
struct table_instance __rcu *ufid_ti;
- struct list_head mask_list;
+ struct mask_cache __rcu *mask_cache;
+ struct mask_array __rcu *mask_array;
unsigned long last_rehash;
unsigned int count;
unsigned int ufid_count;
@@ -71,11 +86,15 @@
const struct sw_flow_mask *mask);
void ovs_flow_tbl_remove(struct flow_table *table, struct sw_flow *flow);
int ovs_flow_tbl_num_masks(const struct flow_table *table);
+u32 ovs_flow_tbl_masks_cache_size(const struct flow_table *table);
+int ovs_flow_tbl_masks_cache_resize(struct flow_table *table, u32 size);
struct sw_flow *ovs_flow_tbl_dump_next(struct table_instance *table,
u32 *bucket, u32 *idx);
struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *,
- const struct sw_flow_key *,
- u32 *n_mask_hit);
+ const struct sw_flow_key *,
+ u32 skb_hash,
+ u32 *n_mask_hit,
+ u32 *n_cache_hit);
struct sw_flow *ovs_flow_tbl_lookup(struct flow_table *,
const struct sw_flow_key *);
struct sw_flow *ovs_flow_tbl_lookup_exact(struct flow_table *tbl,
@@ -87,4 +106,10 @@
void ovs_flow_mask_key(struct sw_flow_key *dst, const struct sw_flow_key *src,
bool full, const struct sw_flow_mask *mask);
+
+void ovs_flow_masks_rebalance(struct flow_table *table);
+void table_instance_flow_flush(struct flow_table *table,
+ struct table_instance *ti,
+ struct table_instance *ufid_ti);
+
#endif /* flow_table.h */
--
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