From ee930fffee469d076998274a2ca55e13dc1efb67 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 08:50:54 +0000
Subject: [PATCH] enable tun/tap/iptables
---
kernel/include/net/l3mdev.h | 67 +++++++++++++++++++++++++++++++--
1 files changed, 62 insertions(+), 5 deletions(-)
diff --git a/kernel/include/net/l3mdev.h b/kernel/include/net/l3mdev.h
index 1284876..031c661 100644
--- a/kernel/include/net/l3mdev.h
+++ b/kernel/include/net/l3mdev.h
@@ -1,18 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* include/net/l3mdev.h - L3 master device API
* Copyright (c) 2015 Cumulus Networks
* Copyright (c) 2015 David Ahern <dsa@cumulusnetworks.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*/
#ifndef _NET_L3MDEV_H_
#define _NET_L3MDEV_H_
#include <net/dst.h>
#include <net/fib_rules.h>
+
+enum l3mdev_type {
+ L3MDEV_TYPE_UNSPEC,
+ L3MDEV_TYPE_VRF,
+ __L3MDEV_TYPE_MAX
+};
+
+#define L3MDEV_TYPE_MAX (__L3MDEV_TYPE_MAX - 1)
+
+typedef int (*lookup_by_table_id_t)(struct net *net, u32 table_d);
/**
* struct l3mdev_ops - l3mdev operations
@@ -40,6 +46,15 @@
};
#ifdef CONFIG_NET_L3_MASTER_DEV
+
+int l3mdev_table_lookup_register(enum l3mdev_type l3type,
+ lookup_by_table_id_t fn);
+
+void l3mdev_table_lookup_unregister(enum l3mdev_type l3type,
+ lookup_by_table_id_t fn);
+
+int l3mdev_ifindex_lookup_by_table_id(enum l3mdev_type l3type, struct net *net,
+ u32 table_id);
int l3mdev_fib_rule_match(struct net *net, struct flowi *fl,
struct fib_lookup_arg *arg);
@@ -99,6 +114,17 @@
master = NULL;
return master;
+}
+
+int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex);
+static inline
+int l3mdev_master_upper_ifindex_by_index(struct net *net, int ifindex)
+{
+ rcu_read_lock();
+ ifindex = l3mdev_master_upper_ifindex_by_index_rcu(net, ifindex);
+ rcu_read_unlock();
+
+ return ifindex;
}
u32 l3mdev_fib_table_rcu(const struct net_device *dev);
@@ -209,6 +235,17 @@
}
static inline
+int l3mdev_master_upper_ifindex_by_index_rcu(struct net *net, int ifindex)
+{
+ return 0;
+}
+static inline
+int l3mdev_master_upper_ifindex_by_index(struct net *net, int ifindex)
+{
+ return 0;
+}
+
+static inline
struct net_device *l3mdev_master_dev_rcu(const struct net_device *dev)
{
return NULL;
@@ -263,6 +300,26 @@
}
static inline
+int l3mdev_table_lookup_register(enum l3mdev_type l3type,
+ lookup_by_table_id_t fn)
+{
+ return -EOPNOTSUPP;
+}
+
+static inline
+void l3mdev_table_lookup_unregister(enum l3mdev_type l3type,
+ lookup_by_table_id_t fn)
+{
+}
+
+static inline
+int l3mdev_ifindex_lookup_by_table_id(enum l3mdev_type l3type, struct net *net,
+ u32 table_id)
+{
+ return -ENODEV;
+}
+
+static inline
int l3mdev_fib_rule_match(struct net *net, struct flowi *fl,
struct fib_lookup_arg *arg)
{
--
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