Commit 390a4bee authored by David S. Miller's avatar David S. Miller

Merge branch 'l3mdev_saddr_op'

David Ahern says:

====================
net: Add saddr op to l3mdev and vrf

First 2 patches are re-sends of patches that got lost in the ethosphere
Tuesday; they were part of the first round of l3mdev conversions.
Next 3 handle the source address lookup for raw and datagram sockets
bound to a VRF device.

The conversion to the get_saddr op also fixes locally originated TCP
packets showing up at the VRF device. The use of the FLOWI_FLAG_L3MDEV_SRC
flag in ip_route_connect_init was causing locally generated packets
to skip the VRF device.

v2
- rebased to top of net-next per device delete fix and hash based
  multipath patches
====================
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 4148987a bb191c3e
...@@ -36,11 +36,12 @@ ...@@ -36,11 +36,12 @@
#include <net/addrconf.h> #include <net/addrconf.h>
#include <net/l3mdev.h> #include <net/l3mdev.h>
#define RT_FL_TOS(oldflp4) \
((oldflp4)->flowi4_tos & (IPTOS_RT_MASK | RTO_ONLINK))
#define DRV_NAME "vrf" #define DRV_NAME "vrf"
#define DRV_VERSION "1.0" #define DRV_VERSION "1.0"
#define vrf_is_slave(dev) ((dev)->flags & IFF_SLAVE)
#define vrf_master_get_rcu(dev) \ #define vrf_master_get_rcu(dev) \
((struct net_device *)rcu_dereference(dev->rx_handler_data)) ((struct net_device *)rcu_dereference(dev->rx_handler_data))
...@@ -208,7 +209,7 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb, ...@@ -208,7 +209,7 @@ static netdev_tx_t vrf_process_v4_outbound(struct sk_buff *skb,
.flowi4_oif = vrf_dev->ifindex, .flowi4_oif = vrf_dev->ifindex,
.flowi4_iif = LOOPBACK_IFINDEX, .flowi4_iif = LOOPBACK_IFINDEX,
.flowi4_tos = RT_TOS(ip4h->tos), .flowi4_tos = RT_TOS(ip4h->tos),
.flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_VRFSRC | .flowi4_flags = FLOWI_FLAG_ANYSRC | FLOWI_FLAG_L3MDEV_SRC |
FLOWI_FLAG_SKIP_NH_OIF, FLOWI_FLAG_SKIP_NH_OIF,
.daddr = ip4h->daddr, .daddr = ip4h->daddr,
}; };
...@@ -433,7 +434,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev) ...@@ -433,7 +434,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
if (ret < 0) if (ret < 0)
goto out_unregister; goto out_unregister;
port_dev->flags |= IFF_SLAVE; port_dev->priv_flags |= IFF_L3MDEV_SLAVE;
__vrf_insert_slave(queue, slave); __vrf_insert_slave(queue, slave);
cycle_netdev(port_dev); cycle_netdev(port_dev);
...@@ -448,7 +449,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev) ...@@ -448,7 +449,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev) static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev)
{ {
if (netif_is_l3_master(port_dev) || vrf_is_slave(port_dev)) if (netif_is_l3_master(port_dev) || netif_is_l3_slave(port_dev))
return -EINVAL; return -EINVAL;
return do_vrf_add_slave(dev, port_dev); return do_vrf_add_slave(dev, port_dev);
...@@ -462,7 +463,7 @@ static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev) ...@@ -462,7 +463,7 @@ static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
struct slave *slave; struct slave *slave;
netdev_upper_dev_unlink(port_dev, dev); netdev_upper_dev_unlink(port_dev, dev);
port_dev->flags &= ~IFF_SLAVE; port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE;
netdev_rx_handler_unregister(port_dev); netdev_rx_handler_unregister(port_dev);
...@@ -545,7 +546,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev, ...@@ -545,7 +546,7 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev,
{ {
struct rtable *rth = NULL; struct rtable *rth = NULL;
if (!(fl4->flowi4_flags & FLOWI_FLAG_VRFSRC)) { if (!(fl4->flowi4_flags & FLOWI_FLAG_L3MDEV_SRC)) {
struct net_vrf *vrf = netdev_priv(dev); struct net_vrf *vrf = netdev_priv(dev);
rth = vrf->rth; rth = vrf->rth;
...@@ -555,9 +556,41 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev, ...@@ -555,9 +556,41 @@ static struct rtable *vrf_get_rtable(const struct net_device *dev,
return rth; return rth;
} }
/* called under rcu_read_lock */
static void vrf_get_saddr(struct net_device *dev, struct flowi4 *fl4)
{
struct fib_result res = { .tclassid = 0 };
struct net *net = dev_net(dev);
u32 orig_tos = fl4->flowi4_tos;
u8 flags = fl4->flowi4_flags;
u8 scope = fl4->flowi4_scope;
u8 tos = RT_FL_TOS(fl4);
if (unlikely(!fl4->daddr))
return;
fl4->flowi4_flags |= FLOWI_FLAG_SKIP_NH_OIF;
fl4->flowi4_iif = LOOPBACK_IFINDEX;
fl4->flowi4_tos = tos & IPTOS_RT_MASK;
fl4->flowi4_scope = ((tos & RTO_ONLINK) ?
RT_SCOPE_LINK : RT_SCOPE_UNIVERSE);
if (!fib_lookup(net, fl4, &res, 0)) {
if (res.type == RTN_LOCAL)
fl4->saddr = res.fi->fib_prefsrc ? : fl4->daddr;
else
fib_select_path(net, &res, fl4, -1);
}
fl4->flowi4_flags = flags;
fl4->flowi4_tos = orig_tos;
fl4->flowi4_scope = scope;
}
static const struct l3mdev_ops vrf_l3mdev_ops = { static const struct l3mdev_ops vrf_l3mdev_ops = {
.l3mdev_fib_table = vrf_fib_table, .l3mdev_fib_table = vrf_fib_table,
.l3mdev_get_rtable = vrf_get_rtable, .l3mdev_get_rtable = vrf_get_rtable,
.l3mdev_get_saddr = vrf_get_saddr,
}; };
static void vrf_get_drvinfo(struct net_device *dev, static void vrf_get_drvinfo(struct net_device *dev,
...@@ -672,7 +705,7 @@ static int vrf_device_event(struct notifier_block *unused, ...@@ -672,7 +705,7 @@ static int vrf_device_event(struct notifier_block *unused,
if (event == NETDEV_UNREGISTER) { if (event == NETDEV_UNREGISTER) {
struct net_device *vrf_dev; struct net_device *vrf_dev;
if (!vrf_is_slave(dev) || netif_is_l3_master(dev)) if (!netif_is_l3_slave(dev))
goto out; goto out;
vrf_dev = netdev_master_upper_dev_get(dev); vrf_dev = netdev_master_upper_dev_get(dev);
......
...@@ -1261,6 +1261,7 @@ struct net_device_ops { ...@@ -1261,6 +1261,7 @@ struct net_device_ops {
* @IFF_L3MDEV_MASTER: device is an L3 master device * @IFF_L3MDEV_MASTER: device is an L3 master device
* @IFF_NO_QUEUE: device can run without qdisc attached * @IFF_NO_QUEUE: device can run without qdisc attached
* @IFF_OPENVSWITCH: device is a Open vSwitch master * @IFF_OPENVSWITCH: device is a Open vSwitch master
* @IFF_L3MDEV_SLAVE: device is enslaved to an L3 master device
*/ */
enum netdev_priv_flags { enum netdev_priv_flags {
IFF_802_1Q_VLAN = 1<<0, IFF_802_1Q_VLAN = 1<<0,
...@@ -1286,6 +1287,7 @@ enum netdev_priv_flags { ...@@ -1286,6 +1287,7 @@ enum netdev_priv_flags {
IFF_L3MDEV_MASTER = 1<<20, IFF_L3MDEV_MASTER = 1<<20,
IFF_NO_QUEUE = 1<<21, IFF_NO_QUEUE = 1<<21,
IFF_OPENVSWITCH = 1<<22, IFF_OPENVSWITCH = 1<<22,
IFF_L3MDEV_SLAVE = 1<<23,
}; };
#define IFF_802_1Q_VLAN IFF_802_1Q_VLAN #define IFF_802_1Q_VLAN IFF_802_1Q_VLAN
...@@ -3830,6 +3832,11 @@ static inline bool netif_is_l3_master(const struct net_device *dev) ...@@ -3830,6 +3832,11 @@ static inline bool netif_is_l3_master(const struct net_device *dev)
return dev->priv_flags & IFF_L3MDEV_MASTER; return dev->priv_flags & IFF_L3MDEV_MASTER;
} }
static inline bool netif_is_l3_slave(const struct net_device *dev)
{
return dev->priv_flags & IFF_L3MDEV_SLAVE;
}
static inline bool netif_is_bridge_master(const struct net_device *dev) static inline bool netif_is_bridge_master(const struct net_device *dev)
{ {
return dev->priv_flags & IFF_EBRIDGE; return dev->priv_flags & IFF_EBRIDGE;
......
...@@ -34,7 +34,7 @@ struct flowi_common { ...@@ -34,7 +34,7 @@ struct flowi_common {
__u8 flowic_flags; __u8 flowic_flags;
#define FLOWI_FLAG_ANYSRC 0x01 #define FLOWI_FLAG_ANYSRC 0x01
#define FLOWI_FLAG_KNOWN_NH 0x02 #define FLOWI_FLAG_KNOWN_NH 0x02
#define FLOWI_FLAG_VRFSRC 0x04 #define FLOWI_FLAG_L3MDEV_SRC 0x04
#define FLOWI_FLAG_SKIP_NH_OIF 0x08 #define FLOWI_FLAG_SKIP_NH_OIF 0x08
__u32 flowic_secid; __u32 flowic_secid;
struct flowi_tunnel flowic_tun_key; struct flowi_tunnel flowic_tun_key;
......
...@@ -329,6 +329,8 @@ static inline int fib_multipath_hash(__be32 saddr, __be32 daddr) ...@@ -329,6 +329,8 @@ static inline int fib_multipath_hash(__be32 saddr, __be32 daddr)
} }
void fib_select_multipath(struct fib_result *res, int hash); void fib_select_multipath(struct fib_result *res, int hash);
void fib_select_path(struct net *net, struct fib_result *res,
struct flowi4 *fl4, int mp_hash);
/* Exported by fib_trie.c */ /* Exported by fib_trie.c */
void fib_trie_init(void); void fib_trie_init(void);
......
...@@ -17,12 +17,16 @@ ...@@ -17,12 +17,16 @@
* @l3mdev_fib_table: Get FIB table id to use for lookups * @l3mdev_fib_table: Get FIB table id to use for lookups
* *
* @l3mdev_get_rtable: Get cached IPv4 rtable (dst_entry) for device * @l3mdev_get_rtable: Get cached IPv4 rtable (dst_entry) for device
*
* @l3mdev_get_saddr: Get source address for a flow
*/ */
struct l3mdev_ops { struct l3mdev_ops {
u32 (*l3mdev_fib_table)(const struct net_device *dev); u32 (*l3mdev_fib_table)(const struct net_device *dev);
struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev, struct rtable * (*l3mdev_get_rtable)(const struct net_device *dev,
const struct flowi4 *fl4); const struct flowi4 *fl4);
void (*l3mdev_get_saddr)(struct net_device *dev,
struct flowi4 *fl4);
}; };
#ifdef CONFIG_NET_L3_MASTER_DEV #ifdef CONFIG_NET_L3_MASTER_DEV
...@@ -100,6 +104,25 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) ...@@ -100,6 +104,25 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return rc; return rc;
} }
static inline void l3mdev_get_saddr(struct net *net, int ifindex,
struct flowi4 *fl4)
{
struct net_device *dev;
if (ifindex) {
rcu_read_lock();
dev = dev_get_by_index_rcu(net, ifindex);
if (dev && netif_is_l3_master(dev) &&
dev->l3mdev_ops->l3mdev_get_saddr) {
dev->l3mdev_ops->l3mdev_get_saddr(dev, fl4);
}
rcu_read_unlock();
}
}
#else #else
static inline int l3mdev_master_ifindex_rcu(struct net_device *dev) static inline int l3mdev_master_ifindex_rcu(struct net_device *dev)
...@@ -144,6 +167,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex) ...@@ -144,6 +167,10 @@ static inline bool netif_index_is_l3_master(struct net *net, int ifindex)
return false; return false;
} }
static inline void l3mdev_get_saddr(struct net *net, int ifindex,
struct flowi4 *fl4)
{
}
#endif #endif
#endif /* _NET_L3MDEV_H_ */ #endif /* _NET_L3MDEV_H_ */
...@@ -266,9 +266,6 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32 ...@@ -266,9 +266,6 @@ static inline void ip_route_connect_init(struct flowi4 *fl4, __be32 dst, __be32
if (inet_sk(sk)->transparent) if (inet_sk(sk)->transparent)
flow_flags |= FLOWI_FLAG_ANYSRC; flow_flags |= FLOWI_FLAG_ANYSRC;
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, flowi4_init_output(fl4, oif, sk->sk_mark, tos, RT_SCOPE_UNIVERSE,
protocol, flow_flags, dst, src, dport, sport); protocol, flow_flags, dst, src, dport, sport);
} }
...@@ -285,6 +282,10 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4, ...@@ -285,6 +282,10 @@ static inline struct rtable *ip_route_connect(struct flowi4 *fl4,
ip_route_connect_init(fl4, dst, src, tos, oif, protocol, ip_route_connect_init(fl4, dst, src, tos, oif, protocol,
sport, dport, sk); sport, dport, sk);
if (!src && oif) {
l3mdev_get_saddr(net, oif, fl4);
src = fl4->saddr;
}
if (!dst || !src) { if (!dst || !src) {
rt = __ip_route_output_key(net, fl4); rt = __ip_route_output_key(net, fl4);
if (IS_ERR(rt)) if (IS_ERR(rt))
......
...@@ -1557,3 +1557,24 @@ void fib_select_multipath(struct fib_result *res, int hash) ...@@ -1557,3 +1557,24 @@ void fib_select_multipath(struct fib_result *res, int hash)
res->nh_sel = 0; res->nh_sel = 0;
} }
#endif #endif
void fib_select_path(struct net *net, struct fib_result *res,
struct flowi4 *fl4, int mp_hash)
{
#ifdef CONFIG_IP_ROUTE_MULTIPATH
if (res->fi->fib_nhs > 1 && fl4->flowi4_oif == 0) {
if (mp_hash < 0)
mp_hash = fib_multipath_hash(fl4->saddr, fl4->daddr);
fib_select_multipath(res, mp_hash);
}
else
#endif
if (!res->prefixlen &&
res->table->tb_num_default > 1 &&
res->type == RTN_UNICAST && !fl4->flowi4_oif)
fib_select_default(fl4, res);
if (!fl4->saddr)
fl4->saddr = FIB_RES_PREFSRC(net, *res);
}
EXPORT_SYMBOL_GPL(fib_select_path);
...@@ -484,6 +484,7 @@ static int raw_getfrag(void *from, char *to, int offset, int len, int odd, ...@@ -484,6 +484,7 @@ static int raw_getfrag(void *from, char *to, int offset, int len, int odd,
static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
{ {
struct inet_sock *inet = inet_sk(sk); struct inet_sock *inet = inet_sk(sk);
struct net *net = sock_net(sk);
struct ipcm_cookie ipc; struct ipcm_cookie ipc;
struct rtable *rt = NULL; struct rtable *rt = NULL;
struct flowi4 fl4; struct flowi4 fl4;
...@@ -543,7 +544,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) ...@@ -543,7 +544,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
ipc.oif = sk->sk_bound_dev_if; ipc.oif = sk->sk_bound_dev_if;
if (msg->msg_controllen) { if (msg->msg_controllen) {
err = ip_cmsg_send(sock_net(sk), msg, &ipc, false); err = ip_cmsg_send(net, msg, &ipc, false);
if (err) if (err)
goto out; goto out;
if (ipc.opt) if (ipc.opt)
...@@ -598,6 +599,9 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) ...@@ -598,6 +599,9 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
(inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0), (inet->hdrincl ? FLOWI_FLAG_KNOWN_NH : 0),
daddr, saddr, 0, 0); daddr, saddr, 0, 0);
if (!saddr && ipc.oif)
l3mdev_get_saddr(net, ipc.oif, &fl4);
if (!inet->hdrincl) { if (!inet->hdrincl) {
rfv.msg = msg; rfv.msg = msg;
rfv.hlen = 0; rfv.hlen = 0;
...@@ -608,7 +612,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) ...@@ -608,7 +612,7 @@ static int raw_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
} }
security_sk_classify_flow(sk, flowi4_to_flowi(&fl4)); security_sk_classify_flow(sk, flowi4_to_flowi(&fl4));
rt = ip_route_output_flow(sock_net(sk), &fl4, sk); rt = ip_route_output_flow(net, &fl4, sk);
if (IS_ERR(rt)) { if (IS_ERR(rt)) {
err = PTR_ERR(rt); err = PTR_ERR(rt);
rt = NULL; rt = NULL;
......
...@@ -2238,21 +2238,7 @@ struct rtable *__ip_route_output_key_hash(struct net *net, struct flowi4 *fl4, ...@@ -2238,21 +2238,7 @@ struct rtable *__ip_route_output_key_hash(struct net *net, struct flowi4 *fl4,
goto make_route; goto make_route;
} }
#ifdef CONFIG_IP_ROUTE_MULTIPATH fib_select_path(net, &res, fl4, mp_hash);
if (res.fi->fib_nhs > 1 && fl4->flowi4_oif == 0) {
if (mp_hash < 0)
mp_hash = fib_multipath_hash(fl4->saddr, fl4->daddr);
fib_select_multipath(&res, mp_hash);
}
else
#endif
if (!res.prefixlen &&
res.table->tb_num_default > 1 &&
res.type == RTN_UNICAST && !fl4->flowi4_oif)
fib_select_default(fl4, &res);
if (!fl4->saddr)
fl4->saddr = FIB_RES_PREFSRC(net, res);
dev_out = FIB_RES_DEV(res); dev_out = FIB_RES_DEV(res);
fl4->flowi4_oif = dev_out->ifindex; fl4->flowi4_oif = dev_out->ifindex;
......
...@@ -1017,30 +1017,14 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) ...@@ -1017,30 +1017,14 @@ int udp_sendmsg(struct sock *sk, struct msghdr *msg, size_t len)
fl4 = &fl4_stack; fl4 = &fl4_stack;
/* unconnected socket. If output device is enslaved to a VRF
* device lookup source address from VRF table. This mimics
* behavior of ip_route_connect{_init}.
*/
if (netif_index_is_l3_master(net, ipc.oif)) {
flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE, sk->sk_protocol,
(flow_flags | FLOWI_FLAG_VRFSRC |
FLOWI_FLAG_SKIP_NH_OIF),
faddr, saddr, dport,
inet->inet_sport);
rt = ip_route_output_flow(net, fl4, sk);
if (!IS_ERR(rt)) {
saddr = fl4->saddr;
ip_rt_put(rt);
}
}
flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos, flowi4_init_output(fl4, ipc.oif, sk->sk_mark, tos,
RT_SCOPE_UNIVERSE, sk->sk_protocol, RT_SCOPE_UNIVERSE, sk->sk_protocol,
flow_flags, flow_flags,
faddr, saddr, dport, inet->inet_sport); faddr, saddr, dport, inet->inet_sport);
if (!saddr && ipc.oif)
l3mdev_get_saddr(net, ipc.oif, fl4);
security_sk_classify_flow(sk, flowi4_to_flowi(fl4)); security_sk_classify_flow(sk, flowi4_to_flowi(fl4));
rt = ip_route_output_flow(net, fl4, sk); rt = ip_route_output_flow(net, fl4, sk);
if (IS_ERR(rt)) { if (IS_ERR(rt)) {
......
...@@ -26,11 +26,11 @@ int l3mdev_master_ifindex_rcu(struct net_device *dev) ...@@ -26,11 +26,11 @@ int l3mdev_master_ifindex_rcu(struct net_device *dev)
if (netif_is_l3_master(dev)) { if (netif_is_l3_master(dev)) {
ifindex = dev->ifindex; ifindex = dev->ifindex;
} else if (dev->flags & IFF_SLAVE) { } else if (netif_is_l3_slave(dev)) {
struct net_device *master; struct net_device *master;
master = netdev_master_upper_dev_get_rcu(dev); master = netdev_master_upper_dev_get_rcu(dev);
if (master && netif_is_l3_master(master)) if (master)
ifindex = master->ifindex; ifindex = master->ifindex;
} }
...@@ -54,7 +54,7 @@ u32 l3mdev_fib_table_rcu(const struct net_device *dev) ...@@ -54,7 +54,7 @@ u32 l3mdev_fib_table_rcu(const struct net_device *dev)
if (netif_is_l3_master(dev)) { if (netif_is_l3_master(dev)) {
if (dev->l3mdev_ops->l3mdev_fib_table) if (dev->l3mdev_ops->l3mdev_fib_table)
tb_id = dev->l3mdev_ops->l3mdev_fib_table(dev); tb_id = dev->l3mdev_ops->l3mdev_fib_table(dev);
} else if (dev->flags & IFF_SLAVE) { } else if (netif_is_l3_slave(dev)) {
/* Users of netdev_master_upper_dev_get_rcu need non-const, /* Users of netdev_master_upper_dev_get_rcu need non-const,
* but current inet_*type functions take a const * but current inet_*type functions take a const
*/ */
...@@ -62,7 +62,7 @@ u32 l3mdev_fib_table_rcu(const struct net_device *dev) ...@@ -62,7 +62,7 @@ u32 l3mdev_fib_table_rcu(const struct net_device *dev)
const struct net_device *master; const struct net_device *master;
master = netdev_master_upper_dev_get_rcu(_dev); master = netdev_master_upper_dev_get_rcu(_dev);
if (master && netif_is_l3_master(master) && if (master &&
master->l3mdev_ops->l3mdev_fib_table) master->l3mdev_ops->l3mdev_fib_table)
tb_id = master->l3mdev_ops->l3mdev_fib_table(master); tb_id = master->l3mdev_ops->l3mdev_fib_table(master);
} }
......
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