summaryrefslogtreecommitdiff
path: root/include
diff options
context:
space:
mode:
Diffstat (limited to 'include')
-rw-r--r--include/linux/netdevice.h36
-rw-r--r--include/net/l3mdev.h149
-rw-r--r--include/net/route.h3
-rw-r--r--include/net/vrf.h178
4 files changed, 159 insertions, 207 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index d2ffeafc9998..b9450784ae06 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1258,7 +1258,7 @@ struct net_device_ops {
* @IFF_LIVE_ADDR_CHANGE: device supports hardware address
* change when it's running
* @IFF_MACVLAN: Macvlan device
- * @IFF_VRF_MASTER: device is a VRF master
+ * @IFF_L3MDEV_MASTER: device is an L3 master device
* @IFF_NO_QUEUE: device can run without qdisc attached
* @IFF_OPENVSWITCH: device is a Open vSwitch master
*/
@@ -1283,7 +1283,7 @@ enum netdev_priv_flags {
IFF_XMIT_DST_RELEASE_PERM = 1<<17,
IFF_IPVLAN_MASTER = 1<<18,
IFF_IPVLAN_SLAVE = 1<<19,
- IFF_VRF_MASTER = 1<<20,
+ IFF_L3MDEV_MASTER = 1<<20,
IFF_NO_QUEUE = 1<<21,
IFF_OPENVSWITCH = 1<<22,
};
@@ -1308,7 +1308,7 @@ enum netdev_priv_flags {
#define IFF_XMIT_DST_RELEASE_PERM IFF_XMIT_DST_RELEASE_PERM
#define IFF_IPVLAN_MASTER IFF_IPVLAN_MASTER
#define IFF_IPVLAN_SLAVE IFF_IPVLAN_SLAVE
-#define IFF_VRF_MASTER IFF_VRF_MASTER
+#define IFF_L3MDEV_MASTER IFF_L3MDEV_MASTER
#define IFF_NO_QUEUE IFF_NO_QUEUE
#define IFF_OPENVSWITCH IFF_OPENVSWITCH
@@ -1427,7 +1427,6 @@ enum netdev_priv_flags {
* @dn_ptr: DECnet specific data
* @ip6_ptr: IPv6 specific data
* @ax25_ptr: AX.25 specific data
- * @vrf_ptr: VRF specific data
* @ieee80211_ptr: IEEE 802.11 specific data, assign before registering
*
* @last_rx: Time of last Rx
@@ -1587,6 +1586,9 @@ struct net_device {
#ifdef CONFIG_NET_SWITCHDEV
const struct switchdev_ops *switchdev_ops;
#endif
+#ifdef CONFIG_NET_L3_MASTER_DEV
+ const struct l3mdev_ops *l3mdev_ops;
+#endif
const struct header_ops *header_ops;
@@ -1646,7 +1648,6 @@ struct net_device {
struct dn_dev __rcu *dn_ptr;
struct inet6_dev __rcu *ip6_ptr;
void *ax25_ptr;
- struct net_vrf_dev __rcu *vrf_ptr;
struct wireless_dev *ieee80211_ptr;
struct wpan_dev *ieee802154_ptr;
#if IS_ENABLED(CONFIG_MPLS_ROUTING)
@@ -3824,9 +3825,9 @@ static inline bool netif_supports_nofcs(struct net_device *dev)
return dev->priv_flags & IFF_SUPP_NOFCS;
}
-static inline bool netif_is_vrf(const struct net_device *dev)
+static inline bool netif_is_l3_master(const struct net_device *dev)
{
- return dev->priv_flags & IFF_VRF_MASTER;
+ return dev->priv_flags & IFF_L3MDEV_MASTER;
}
static inline bool netif_is_bridge_master(const struct net_device *dev)
@@ -3839,27 +3840,6 @@ static inline bool netif_is_ovs_master(const struct net_device *dev)
return dev->priv_flags & IFF_OPENVSWITCH;
}
-static inline bool netif_index_is_vrf(struct net *net, int ifindex)
-{
- bool rc = false;
-
-#if IS_ENABLED(CONFIG_NET_VRF)
- struct net_device *dev;
-
- if (ifindex == 0)
- return false;
-
- rcu_read_lock();
-
- dev = dev_get_by_index_rcu(net, ifindex);
- if (dev)
- rc = netif_is_vrf(dev);
-
- rcu_read_unlock();
-#endif
- return rc;
-}
-
/* This device needs to keep skb dst for qdisc enqueue or ndo_start_xmit() */
static inline void netif_keep_dst(struct net_device *dev)
{
diff --git a/include/net/l3mdev.h b/include/net/l3mdev.h
new file mode 100644
index 000000000000..87cee05a0a17
--- /dev/null
+++ b/include/net/l3mdev.h
@@ -0,0 +1,149 @@
+/*
+ * 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_
+
+/**
+ * struct l3mdev_ops - l3mdev operations
+ *
+ * @l3mdev_fib_table: Get FIB table id to use for lookups
+ *
+ * @l3mdev_get_rtable: Get cached IPv4 rtable (dst_entry) for device
+ */
+
+struct l3mdev_ops {
+ u32 (*l3mdev_fib_table)(const struct net_device *dev);
+ struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev,
+ const struct flowi4 *fl4);
+};
+
+#ifdef CONFIG_NET_L3_MASTER_DEV
+
+int l3mdev_master_ifindex_rcu(struct net_device *dev);
+static inline int l3mdev_master_ifindex(struct net_device *dev)
+{
+ int ifindex;
+
+ rcu_read_lock();
+ ifindex = l3mdev_master_ifindex_rcu(dev);
+ rcu_read_unlock();
+
+ return ifindex;
+}
+
+/* get index of an interface to use for FIB lookups. For devices
+ * enslaved to an L3 master device FIB lookups are based on the
+ * master index
+ */
+static inline int l3mdev_fib_oif_rcu(struct net_device *dev)
+{
+ return l3mdev_master_ifindex_rcu(dev) ? : dev->ifindex;
+}
+
+static inline int l3mdev_fib_oif(struct net_device *dev)
+{
+ int oif;
+
+ rcu_read_lock();
+ oif = l3mdev_fib_oif_rcu(dev);
+ rcu_read_unlock();
+
+ return oif;
+}
+
+u32 l3mdev_fib_table_rcu(const struct net_device *dev);
+u32 l3mdev_fib_table_by_index(struct net *net, int ifindex);
+static inline u32 l3mdev_fib_table(const struct net_device *dev)
+{
+ u32 tb_id;
+
+ rcu_read_lock();
+ tb_id = l3mdev_fib_table_rcu(dev);
+ rcu_read_unlock();
+
+ return tb_id;
+}
+
+static inline struct rtable *l3mdev_get_rtable(const struct net_device *dev,
+ const struct flowi4 *fl4)
+{
+ if (netif_is_l3_master(dev) && dev->l3mdev_ops->l3mdev_get_rtable)
+ return dev->l3mdev_ops->l3mdev_get_rtable(dev, fl4);
+
+ return NULL;
+}
+
+static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
+{
+ struct net_device *dev;
+ bool rc = false;
+
+ if (ifindex == 0)
+ return false;
+
+ rcu_read_lock();
+
+ dev = dev_get_by_index_rcu(net, ifindex);
+ if (dev)
+ rc = netif_is_l3_master(dev);
+
+ rcu_read_unlock();
+
+ return rc;
+}
+
+#else
+
+static inline int l3mdev_master_ifindex_rcu(struct net_device *dev)
+{
+ return 0;
+}
+static inline int l3mdev_master_ifindex(struct net_device *dev)
+{
+ return 0;
+}
+
+static inline int l3mdev_fib_oif_rcu(struct net_device *dev)
+{
+ return dev ? dev->ifindex : 0;
+}
+static inline int l3mdev_fib_oif(struct net_device *dev)
+{
+ return dev ? dev->ifindex : 0;
+}
+
+static inline u32 l3mdev_fib_table_rcu(const struct net_device *dev)
+{
+ return 0;
+}
+static inline u32 l3mdev_fib_table(const struct net_device *dev)
+{
+ return 0;
+}
+static inline u32 l3mdev_fib_table_by_index(struct net *net, int ifindex)
+{
+ return 0;
+}
+
+static inline struct rtable *l3mdev_get_rtable(const struct net_device *dev,
+ const struct flowi4 *fl4)
+{
+ return NULL;
+}
+
+static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
+{
+ return false;
+}
+
+#endif
+
+#endif /* _NET_L3MDEV_H_ */
diff --git a/include/net/route.h b/include/net/route.h
index d1bd90bb3187..e211dc167db1 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -28,6 +28,7 @@
#include <net/inetpeer.h>
#include <net/flow.h>
#include <net/inet_sock.h>
+#include <net/l3mdev.h>
#include <linux/in_route.h>
#include <linux/rtnetlink.h>
#include <linux/rcupdate.h>
@@ -256,7 +257,7 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32
if (inet_sk(sk)->transparent)
flow_flags |= FLOWI_FLAG_ANYSRC;
- if (netif_index_is_vrf(sock_net(sk), oif))
+ if (netif_index_is_l3_master(sock_net(sk), oif))
flow_flags |= FLOWI_FLAG_VRFSRC | FLOWI_FLAG_SKIP_NH_OIF;
flowi4_init_output(fl4, oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE,
diff --git a/include/net/vrf.h b/include/net/vrf.h
deleted file mode 100644
index 593e6094ddd4..000000000000
--- a/include/net/vrf.h
+++ /dev/null
@@ -1,178 +0,0 @@
-/*
- * include/net/net_vrf.h - adds vrf dev structure definitions
- * Copyright (c) 2015 Cumulus Networks
- *
- * 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 __LINUX_NET_VRF_H
-#define __LINUX_NET_VRF_H
-
-struct net_vrf_dev {
- struct rcu_head rcu;
- int ifindex; /* ifindex of master dev */
- u32 tb_id; /* table id for VRF */
-};
-
-struct slave {
- struct list_head list;
- struct net_device *dev;
-};
-
-struct slave_queue {
- struct list_head all_slaves;
-};
-
-struct net_vrf {
- struct slave_queue queue;
- struct rtable *rth;
- u32 tb_id;
-};
-
-
-#if IS_ENABLED(CONFIG_NET_VRF)
-/* called with rcu_read_lock() */
-static inline int vrf_master_ifindex_rcu(const struct net_device *dev)
-{
- struct net_vrf_dev *vrf_ptr;
- int ifindex = 0;
-
- if (!dev)
- return 0;
-
- if (netif_is_vrf(dev)) {
- ifindex = dev->ifindex;
- } else {
- vrf_ptr = rcu_dereference(dev->vrf_ptr);
- if (vrf_ptr)
- ifindex = vrf_ptr->ifindex;
- }
-
- return ifindex;
-}
-
-static inline int vrf_master_ifindex(const struct net_device *dev)
-{
- int ifindex;
-
- rcu_read_lock();
- ifindex = vrf_master_ifindex_rcu(dev);
- rcu_read_unlock();
-
- return ifindex;
-}
-
-/* called with rcu_read_lock */
-static inline u32 vrf_dev_table_rcu(const struct net_device *dev)
-{
- u32 tb_id = 0;
-
- if (dev) {
- struct net_vrf_dev *vrf_ptr;
-
- vrf_ptr = rcu_dereference(dev->vrf_ptr);
- if (vrf_ptr)
- tb_id = vrf_ptr->tb_id;
- }
- return tb_id;
-}
-
-static inline u32 vrf_dev_table(const struct net_device *dev)
-{
- u32 tb_id;
-
- rcu_read_lock();
- tb_id = vrf_dev_table_rcu(dev);
- rcu_read_unlock();
-
- return tb_id;
-}
-
-static inline u32 vrf_dev_table_ifindex(struct net *net, int ifindex)
-{
- struct net_device *dev;
- u32 tb_id = 0;
-
- if (!ifindex)
- return 0;
-
- rcu_read_lock();
-
- dev = dev_get_by_index_rcu(net, ifindex);
- if (dev)
- tb_id = vrf_dev_table_rcu(dev);
-
- rcu_read_unlock();
-
- return tb_id;
-}
-
-/* called with rtnl */
-static inline u32 vrf_dev_table_rtnl(const struct net_device *dev)
-{
- u32 tb_id = 0;
-
- if (dev) {
- struct net_vrf_dev *vrf_ptr;
-
- vrf_ptr = rtnl_dereference(dev->vrf_ptr);
- if (vrf_ptr)
- tb_id = vrf_ptr->tb_id;
- }
- return tb_id;
-}
-
-/* caller has already checked netif_is_vrf(dev) */
-static inline struct rtable *vrf_dev_get_rth(const struct net_device *dev)
-{
- struct rtable *rth = ERR_PTR(-ENETUNREACH);
- struct net_vrf *vrf = netdev_priv(dev);
-
- if (vrf) {
- rth = vrf->rth;
- atomic_inc(&rth->dst.__refcnt);
- }
- return rth;
-}
-
-#else
-static inline int vrf_master_ifindex_rcu(const struct net_device *dev)
-{
- return 0;
-}
-
-static inline int vrf_master_ifindex(const struct net_device *dev)
-{
- return 0;
-}
-
-static inline u32 vrf_dev_table_rcu(const struct net_device *dev)
-{
- return 0;
-}
-
-static inline u32 vrf_dev_table(const struct net_device *dev)
-{
- return 0;
-}
-
-static inline u32 vrf_dev_table_ifindex(struct net *net, int ifindex)
-{
- return 0;
-}
-
-static inline u32 vrf_dev_table_rtnl(const struct net_device *dev)
-{
- return 0;
-}
-
-static inline struct rtable *vrf_dev_get_rth(const struct net_device *dev)
-{
- return ERR_PTR(-ENETUNREACH);
-}
-#endif
-
-#endif /* __LINUX_NET_VRF_H */
generated by cgit v1.2.3 (git 2.0.4) at 2026-04-10 12:27:08 +0000