net: fib_notifier: make FIB notifier per-netns

Currently all users of FIB notifier only cares about events in init_net.
Later in this patchset, users get interested in other namespaces too.
However, for every registered block user is interested only about one
namespace. Make the FIB notifier registration per-netns and avoid
unnecessary calls of notifier block for other namespaces.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
index 5d20d615663e789aace6ede20f67871a8ef3bc17..fe0cc969cf946fd1aa2673a4ed057a7c41d62482 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag_mp.c
@@ -248,9 +248,6 @@ static int mlx5_lag_fib_event(struct notifier_block *nb,
        struct net_device *fib_dev;
        struct fib_info *fi;
 
-       if (!net_eq(info->net, &init_net))
-               return NOTIFY_DONE;
-
        if (info->family != AF_INET)
                return NOTIFY_DONE;
 
@@ -311,7 +308,7 @@ int mlx5_lag_mp_init(struct mlx5_lag *ldev)
                return 0;
 
        mp->fib_nb.notifier_call = mlx5_lag_fib_event;
-       err = register_fib_notifier(&mp->fib_nb,
+       err = register_fib_notifier(&init_net, &mp->fib_nb,
                                    mlx5_lag_fib_event_flush);
        if (err)
                mp->fib_nb.notifier_call = NULL;
@@ -326,6 +323,6 @@ void mlx5_lag_mp_cleanup(struct mlx5_lag *ldev)
        if (!mp->fib_nb.notifier_call)
                return;
 
-       unregister_fib_notifier(&mp->fib_nb);
+       unregister_fib_notifier(&init_net, &mp->fib_nb);
        mp->fib_nb.notifier_call = NULL;
 }

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index a330b369e8995e5640dd2bd2b0bc35542941c493..d0db9ea71323a4e2005b5c24b8ea78f00efa5621 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -6213,7 +6213,7 @@ static int mlxsw_sp_router_fib_rule_event(unsigned long event,
        rule = fr_info->rule;
 
        /* Rule only affects locally generated traffic */
-       if (rule->iifindex == info->net->loopback_dev->ifindex)
+       if (rule->iifindex == init_net.loopback_dev->ifindex)
                return 0;
 
        switch (info->family) {
@@ -6250,8 +6250,7 @@ static int mlxsw_sp_router_fib_event(struct notifier_block *nb,
        struct mlxsw_sp_router *router;
        int err;
 
-       if (!net_eq(info->net, &init_net) ||
-           (info->family != AF_INET && info->family != AF_INET6 &&
+       if ((info->family != AF_INET && info->family != AF_INET6 &&
             info->family != RTNL_FAMILY_IPMR &&
             info->family != RTNL_FAMILY_IP6MR))
                return NOTIFY_DONE;
@@ -8155,7 +8154,7 @@ int mlxsw_sp_router_init(struct mlxsw_sp *mlxsw_sp)
                goto err_dscp_init;
 
        mlxsw_sp->router->fib_nb.notifier_call = mlxsw_sp_router_fib_event;
-       err = register_fib_notifier(&mlxsw_sp->router->fib_nb,
+       err = register_fib_notifier(&init_net, &mlxsw_sp->router->fib_nb,
                                    mlxsw_sp_router_fib_dump_flush);
        if (err)
                goto err_register_fib_notifier;
@@ -8195,7 +8194,7 @@ err_register_inetaddr_notifier:
 
 void mlxsw_sp_router_fini(struct mlxsw_sp *mlxsw_sp)
 {
-       unregister_fib_notifier(&mlxsw_sp->router->fib_nb);
+       unregister_fib_notifier(&init_net, &mlxsw_sp->router->fib_nb);
        unregister_netevent_notifier(&mlxsw_sp->router->netevent_nb);
        mlxsw_sp_neigh_fini(mlxsw_sp);
        mlxsw_sp_vrs_fini(mlxsw_sp);

diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 786b158bd305020a7e1122b1cc811f6983e71fa0..e54f6341a7856ee099e93d007ed36fc861b114c6 100644 (file)
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2189,9 +2189,6 @@ static int rocker_router_fib_event(struct notifier_block *nb,
        struct rocker_fib_event_work *fib_work;
        struct fib_notifier_info *info = ptr;
 
-       if (!net_eq(info->net, &init_net))
-               return NOTIFY_DONE;
-
        if (info->family != AF_INET)
                return NOTIFY_DONE;
 
@@ -2994,7 +2991,7 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         * the device, so no need to pass a callback.
         */
        rocker->fib_nb.notifier_call = rocker_router_fib_event;
-       err = register_fib_notifier(&rocker->fib_nb, NULL);
+       err = register_fib_notifier(&init_net, &rocker->fib_nb, NULL);
        if (err)
                goto err_register_fib_notifier;
 
@@ -3021,7 +3018,7 @@ static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 err_register_switchdev_blocking_notifier:
        unregister_switchdev_notifier(&rocker_switchdev_notifier);
 err_register_switchdev_notifier:
-       unregister_fib_notifier(&rocker->fib_nb);
+       unregister_fib_notifier(&init_net, &rocker->fib_nb);
 err_register_fib_notifier:
        rocker_remove_ports(rocker);
 err_probe_ports:
@@ -3057,7 +3054,7 @@ static void rocker_remove(struct pci_dev *pdev)
        unregister_switchdev_blocking_notifier(nb);
 
        unregister_switchdev_notifier(&rocker_switchdev_notifier);
-       unregister_fib_notifier(&rocker->fib_nb);
+       unregister_fib_notifier(&init_net, &rocker->fib_nb);
        rocker_remove_ports(rocker);
        rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET);
        destroy_workqueue(rocker->rocker_owq);

diff --git a/drivers/net/netdevsim/fib.c b/drivers/net/netdevsim/fib.c
index 7de17e42d77a4047f7dc1582b6ed49838b9d4d7c..01ee9cc546052755fb05b453b58413dfb2bd2972 100644 (file)
--- a/drivers/net/netdevsim/fib.c
+++ b/drivers/net/netdevsim/fib.c
@@ -182,9 +182,6 @@ static int nsim_fib_event_nb(struct notifier_block *nb, unsigned long event,
        struct fib_notifier_info *info = ptr;
        int err = 0;
 
-       if (!net_eq(info->net, &init_net))
-               return NOTIFY_DONE;
-
        switch (event) {
        case FIB_EVENT_RULE_ADD: /* fall through */
        case FIB_EVENT_RULE_DEL:
@@ -258,7 +255,8 @@ struct nsim_fib_data *nsim_fib_create(struct devlink *devlink)
        data->ipv6.rules.max = (u64)-1;
 
        data->fib_nb.notifier_call = nsim_fib_event_nb;
-       err = register_fib_notifier(&data->fib_nb, nsim_fib_dump_inconsistent);
+       err = register_fib_notifier(&init_net, &data->fib_nb,
+                                   nsim_fib_dump_inconsistent);
        if (err) {
                pr_err("Failed to register fib notifier\n");
                goto err_out;
@@ -297,6 +295,6 @@ void nsim_fib_destroy(struct devlink *devlink, struct nsim_fib_data *data)
                                            NSIM_RESOURCE_IPV4_FIB_RULES);
        devlink_resource_occ_get_unregister(devlink,
                                            NSIM_RESOURCE_IPV4_FIB);
-       unregister_fib_notifier(&data->fib_nb);
+       unregister_fib_notifier(&init_net, &data->fib_nb);
        kfree(data);
 }

diff --git a/include/linux/mroute_base.h b/include/linux/mroute_base.h
index 34de06b426efbeae9ac98a1ba7b0e4fd12004df1..0931631bbc13599e5e076ac375bbc718e8fb99f9 100644 (file)
--- a/include/linux/mroute_base.h
+++ b/include/linux/mroute_base.h
@@ -47,7 +47,6 @@ struct vif_entry_notifier_info {
 };
 
 static inline int mr_call_vif_notifier(struct notifier_block *nb,
-                                      struct net *net,
                                       unsigned short family,
                                       enum fib_event_type event_type,
                                       struct vif_device *vif,
@@ -56,7 +55,6 @@ static inline int mr_call_vif_notifier(struct notifier_block *nb,
        struct vif_entry_notifier_info info = {
                .info = {
                        .family = family,
-                       .net = net,
                },
                .dev = vif->dev,
                .vif_index = vif_index,
@@ -64,7 +62,7 @@ static inline int mr_call_vif_notifier(struct notifier_block *nb,
                .tb_id = tb_id,
        };
 
-       return call_fib_notifier(nb, net, event_type, &info.info);
+       return call_fib_notifier(nb, event_type, &info.info);
 }
 
 static inline int mr_call_vif_notifiers(struct net *net,
@@ -77,7 +75,6 @@ static inline int mr_call_vif_notifiers(struct net *net,
        struct vif_entry_notifier_info info = {
                .info = {
                        .family = family,
-                       .net = net,
                },
                .dev = vif->dev,
                .vif_index = vif_index,
@@ -173,7 +170,6 @@ struct mfc_entry_notifier_info {
 };
 
 static inline int mr_call_mfc_notifier(struct notifier_block *nb,
-                                      struct net *net,
                                       unsigned short family,
                                       enum fib_event_type event_type,
                                       struct mr_mfc *mfc, u32 tb_id)
@@ -181,13 +177,12 @@ static inline int mr_call_mfc_notifier(struct notifier_block *nb,
        struct mfc_entry_notifier_info info = {
                .info = {
                        .family = family,
-                       .net = net,
                },
                .mfc = mfc,
                .tb_id = tb_id
        };
 
-       return call_fib_notifier(nb, net, event_type, &info.info);
+       return call_fib_notifier(nb, event_type, &info.info);
 }
 
 static inline int mr_call_mfc_notifiers(struct net *net,
@@ -199,7 +194,6 @@ static inline int mr_call_mfc_notifiers(struct net *net,
        struct mfc_entry_notifier_info info = {
                .info = {
                        .family = family,
-                       .net = net,
                },
                .mfc = mfc,
                .tb_id = tb_id

diff --git a/include/net/fib_notifier.h b/include/net/fib_notifier.h
index c49d7bfb5c309c75572e40c8d112a71697c9da95..23353f67b2b009707ab937479e962f577da7f814 100644 (file)
--- a/include/net/fib_notifier.h
+++ b/include/net/fib_notifier.h
@@ -8,7 +8,6 @@
 struct module;
 
 struct fib_notifier_info {
-       struct net *net;
        int family;
        struct netlink_ext_ack  *extack;
 };
@@ -35,14 +34,14 @@ struct fib_notifier_ops {
        struct rcu_head rcu;
 };
 
-int call_fib_notifier(struct notifier_block *nb, struct net *net,
+int call_fib_notifier(struct notifier_block *nb,
                      enum fib_event_type event_type,
                      struct fib_notifier_info *info);
 int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
                       struct fib_notifier_info *info);
-int register_fib_notifier(struct notifier_block *nb,
+int register_fib_notifier(struct net *net, struct notifier_block *nb,
                          void (*cb)(struct notifier_block *nb));
-int unregister_fib_notifier(struct notifier_block *nb);
+int unregister_fib_notifier(struct net *net, struct notifier_block *nb);
 struct fib_notifier_ops *
 fib_notifier_ops_register(const struct fib_notifier_ops *tmpl, struct net *net);
 void fib_notifier_ops_unregister(struct fib_notifier_ops *ops);

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index 4b5656c71abcfb4447b1cd0baace54b76019695d..14e9fca0e3268253470683675d686361cf4bae1a 100644 (file)
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -478,7 +478,7 @@ struct ipv6_route_iter {
 
 extern const struct seq_operations ipv6_route_seq_ops;
 
-int call_fib6_notifier(struct notifier_block *nb, struct net *net,
+int call_fib6_notifier(struct notifier_block *nb,
                       enum fib_event_type event_type,
                       struct fib_notifier_info *info);
 int call_fib6_notifiers(struct net *net, enum fib_event_type event_type,

diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index ab1ca9e238d2726507596b8a5408bc97a9f5e3d0..a9df85304f403e22b2077426b1005f50ad3aaa34 100644 (file)
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -219,7 +219,7 @@ struct fib_nh_notifier_info {
        struct fib_nh *fib_nh;
 };
 
-int call_fib4_notifier(struct notifier_block *nb, struct net *net,
+int call_fib4_notifier(struct notifier_block *nb,
                       enum fib_event_type event_type,
                       struct fib_notifier_info *info);
 int call_fib4_notifiers(struct net *net, enum fib_event_type event_type,

diff --git a/net/core/fib_notifier.c b/net/core/fib_notifier.c
index 470a606d5e8d747a7b7e4772b2ccc6179e6d3766..fbd029425638d866c4415b1321fcd84dc7f8fb3c 100644 (file)
--- a/net/core/fib_notifier.c
+++ b/net/core/fib_notifier.c
@@ -12,17 +12,15 @@ static unsigned int fib_notifier_net_id;
 
 struct fib_notifier_net {
        struct list_head fib_notifier_ops;
+       struct atomic_notifier_head fib_chain;
 };
 
-static ATOMIC_NOTIFIER_HEAD(fib_chain);
-
-int call_fib_notifier(struct notifier_block *nb, struct net *net,
+int call_fib_notifier(struct notifier_block *nb,
                      enum fib_event_type event_type,
                      struct fib_notifier_info *info)
 {
        int err;
 
-       info->net = net;
        err = nb->notifier_call(nb, event_type, info);
        return notifier_to_errno(err);
 }
@@ -31,35 +29,29 @@ EXPORT_SYMBOL(call_fib_notifier);
 int call_fib_notifiers(struct net *net, enum fib_event_type event_type,
                       struct fib_notifier_info *info)
 {
+       struct fib_notifier_net *fn_net = net_generic(net, fib_notifier_net_id);
        int err;
 
-       info->net = net;
-       err = atomic_notifier_call_chain(&fib_chain, event_type, info);
+       err = atomic_notifier_call_chain(&fn_net->fib_chain, event_type, info);
        return notifier_to_errno(err);
 }
 EXPORT_SYMBOL(call_fib_notifiers);
 
-static unsigned int fib_seq_sum(void)
+static unsigned int fib_seq_sum(struct net *net)
 {
-       struct fib_notifier_net *fn_net;
+       struct fib_notifier_net *fn_net = net_generic(net, fib_notifier_net_id);
        struct fib_notifier_ops *ops;
        unsigned int fib_seq = 0;
-       struct net *net;
 
        rtnl_lock();
-       down_read(&net_rwsem);
-       for_each_net(net) {
-               fn_net = net_generic(net, fib_notifier_net_id);
-               rcu_read_lock();
-               list_for_each_entry_rcu(ops, &fn_net->fib_notifier_ops, list) {
-                       if (!try_module_get(ops->owner))
-                               continue;
-                       fib_seq += ops->fib_seq_read(net);
-                       module_put(ops->owner);
-               }
-               rcu_read_unlock();
+       rcu_read_lock();
+       list_for_each_entry_rcu(ops, &fn_net->fib_notifier_ops, list) {
+               if (!try_module_get(ops->owner))
+                       continue;
+               fib_seq += ops->fib_seq_read(net);
+               module_put(ops->owner);
        }
-       up_read(&net_rwsem);
+       rcu_read_unlock();
        rtnl_unlock();
 
        return fib_seq;
@@ -69,68 +61,66 @@ static int fib_net_dump(struct net *net, struct notifier_block *nb)
 {
        struct fib_notifier_net *fn_net = net_generic(net, fib_notifier_net_id);
        struct fib_notifier_ops *ops;
+       int err = 0;
 
+       rcu_read_lock();
        list_for_each_entry_rcu(ops, &fn_net->fib_notifier_ops, list) {
-               int err;
-
                if (!try_module_get(ops->owner))
                        continue;
                err = ops->fib_dump(net, nb);
                module_put(ops->owner);
                if (err)
-                       return err;
+                       goto unlock;
        }
 
-       return 0;
+unlock:
+       rcu_read_unlock();
+
+       return err;
 }
 
-static bool fib_dump_is_consistent(struct notifier_block *nb,
+static bool fib_dump_is_consistent(struct net *net, struct notifier_block *nb,
                                   void (*cb)(struct notifier_block *nb),
                                   unsigned int fib_seq)
 {
-       atomic_notifier_chain_register(&fib_chain, nb);
-       if (fib_seq == fib_seq_sum())
+       struct fib_notifier_net *fn_net = net_generic(net, fib_notifier_net_id);
+
+       atomic_notifier_chain_register(&fn_net->fib_chain, nb);
+       if (fib_seq == fib_seq_sum(net))
                return true;
-       atomic_notifier_chain_unregister(&fib_chain, nb);
+       atomic_notifier_chain_unregister(&fn_net->fib_chain, nb);
        if (cb)
                cb(nb);
        return false;
 }
 
 #define FIB_DUMP_MAX_RETRIES 5
-int register_fib_notifier(struct notifier_block *nb,
+int register_fib_notifier(struct net *net, struct notifier_block *nb,
                          void (*cb)(struct notifier_block *nb))
 {
        int retries = 0;
        int err;
 
        do {
-               unsigned int fib_seq = fib_seq_sum();
-               struct net *net;
-
-               rcu_read_lock();
-               for_each_net_rcu(net) {
-                       err = fib_net_dump(net, nb);
-                       if (err)
-                               goto err_fib_net_dump;
-               }
-               rcu_read_unlock();
-
-               if (fib_dump_is_consistent(nb, cb, fib_seq))
+               unsigned int fib_seq = fib_seq_sum(net);
+
+               err = fib_net_dump(net, nb);
+               if (err)
+                       return err;
+
+               if (fib_dump_is_consistent(net, nb, cb, fib_seq))
                        return 0;
        } while (++retries < FIB_DUMP_MAX_RETRIES);
 
        return -EBUSY;
-
-err_fib_net_dump:
-       rcu_read_unlock();
-       return err;
 }
 EXPORT_SYMBOL(register_fib_notifier);
 
-int unregister_fib_notifier(struct notifier_block *nb)
+int unregister_fib_notifier(struct net *net, struct notifier_block *nb)
 {
-       return atomic_notifier_chain_unregister(&fib_chain, nb);
+       struct fib_notifier_net *fn_net = net_generic(net, fib_notifier_net_id);
+
+       return atomic_notifier_chain_unregister(&fn_net->fib_chain, nb);
 }
 EXPORT_SYMBOL(unregister_fib_notifier);
 
@@ -181,6 +171,7 @@ static int __net_init fib_notifier_net_init(struct net *net)
        struct fib_notifier_net *fn_net = net_generic(net, fib_notifier_net_id);
 
        INIT_LIST_HEAD(&fn_net->fib_notifier_ops);
+       ATOMIC_INIT_NOTIFIER_HEAD(&fn_net->fib_chain);
        return 0;
 }
 

diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c
index dd220ce7ca7ab2dc81aec523055ea1ae0da5a1eb..28cbf07102bc94919e52b8d0d2f8f6e929d95060 100644 (file)
--- a/net/core/fib_rules.c
+++ b/net/core/fib_rules.c
@@ -321,7 +321,7 @@ out:
 }
 EXPORT_SYMBOL_GPL(fib_rules_lookup);
 
-static int call_fib_rule_notifier(struct notifier_block *nb, struct net *net,
+static int call_fib_rule_notifier(struct notifier_block *nb,
                                  enum fib_event_type event_type,
                                  struct fib_rule *rule, int family)
 {
@@ -330,7 +330,7 @@ static int call_fib_rule_notifier(struct notifier_block *nb, struct net *net,
                .rule = rule,
        };
 
-       return call_fib_notifier(nb, net, event_type, &info.info);
+       return call_fib_notifier(nb, event_type, &info.info);
 }
 
 static int call_fib_rule_notifiers(struct net *net,
@@ -359,8 +359,7 @@ int fib_rules_dump(struct net *net, struct notifier_block *nb, int family)
        if (!ops)
                return -EAFNOSUPPORT;
        list_for_each_entry_rcu(rule, &ops->rules_list, list)
-               call_fib_rule_notifier(nb, net, FIB_EVENT_RULE_ADD, rule,
-                                      family);
+               call_fib_rule_notifier(nb, FIB_EVENT_RULE_ADD, rule, family);
        rules_ops_put(ops);
 
        return 0;

diff --git a/net/ipv4/fib_notifier.c b/net/ipv4/fib_notifier.c
index b804ccbdb241e6a801ae29cf0664c6a23c0c8d48..1a128c1346fb046f0513ecc180d103179eb4fe63 100644 (file)
--- a/net/ipv4/fib_notifier.c
+++ b/net/ipv4/fib_notifier.c
@@ -9,12 +9,12 @@
 #include <net/netns/ipv4.h>
 #include <net/ip_fib.h>
 
-int call_fib4_notifier(struct notifier_block *nb, struct net *net,
+int call_fib4_notifier(struct notifier_block *nb,
                       enum fib_event_type event_type,
                       struct fib_notifier_info *info)
 {
        info->family = AF_INET;
-       return call_fib_notifier(nb, net, event_type, info);
+       return call_fib_notifier(nb, event_type, info);
 }
 
 int call_fib4_notifiers(struct net *net, enum fib_event_type event_type,

diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index 1ab2fb6bb37d7d8de416d5c7cf84efe21dc8faf3..5b600b2a2aa393ba1b1839419562287988a26f39 100644 (file)
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -74,7 +74,7 @@
 #include <trace/events/fib.h>
 #include "fib_lookup.h"
 
-static int call_fib_entry_notifier(struct notifier_block *nb, struct net *net,
+static int call_fib_entry_notifier(struct notifier_block *nb,
                                   enum fib_event_type event_type, u32 dst,
                                   int dst_len, struct fib_alias *fa)
 {
@@ -86,7 +86,7 @@ static int call_fib_entry_notifier(struct notifier_block *nb, struct net *net,
                .type = fa->fa_type,
                .tb_id = fa->tb_id,
        };
-       return call_fib4_notifier(nb, net, event_type, &info.info);
+       return call_fib4_notifier(nb, event_type, &info.info);
 }
 
 static int call_fib_entry_notifiers(struct net *net,
@@ -2015,8 +2015,8 @@ void fib_info_notify_update(struct net *net, struct nl_info *info)
        }
 }
 
-static void fib_leaf_notify(struct net *net, struct key_vector *l,
-                           struct fib_table *tb, struct notifier_block *nb)
+static void fib_leaf_notify(struct key_vector *l, struct fib_table *tb,
+                           struct notifier_block *nb)
 {
        struct fib_alias *fa;
 
@@ -2032,20 +2032,19 @@ static void fib_leaf_notify(struct net *net, struct key_vector *l,
                if (tb->tb_id != fa->tb_id)
                        continue;
 
-               call_fib_entry_notifier(nb, net, FIB_EVENT_ENTRY_ADD, l->key,
+               call_fib_entry_notifier(nb, FIB_EVENT_ENTRY_ADD, l->key,
                                        KEYLENGTH - fa->fa_slen, fa);
        }
 }
 
-static void fib_table_notify(struct net *net, struct fib_table *tb,
-                            struct notifier_block *nb)
+static void fib_table_notify(struct fib_table *tb, struct notifier_block *nb)
 {
        struct trie *t = (struct trie *)tb->tb_data;
        struct key_vector *l, *tp = t->kv;
        t_key key = 0;
 
        while ((l = leaf_walk_rcu(&tp, key)) != NULL) {
-               fib_leaf_notify(net, l, tb, nb);
+               fib_leaf_notify(l, tb, nb);
 
                key = l->key + 1;
                /* stop in case of wrap around */
@@ -2063,7 +2062,7 @@ void fib_notify(struct net *net, struct notifier_block *nb)
                struct fib_table *tb;
 
                hlist_for_each_entry_rcu(tb, head, tb_hlist)
-                       fib_table_notify(net, tb, nb);
+                       fib_table_notify(tb, nb);
        }
 }
 

diff --git a/net/ipv4/ipmr_base.c b/net/ipv4/ipmr_base.c
index ea48bd15a575bf38ce44ab7c86bab4f0935bd5b8..4dcc3214e3cc1f2550088793b6160c64510754e4 100644 (file)
--- a/net/ipv4/ipmr_base.c
+++ b/net/ipv4/ipmr_base.c
@@ -409,7 +409,7 @@ int mr_dump(struct net *net, struct notifier_block *nb, unsigned short family,
                        if (!v->dev)
                                continue;
 
-                       mr_call_vif_notifier(nb, net, family,
+                       mr_call_vif_notifier(nb, family,
                                             FIB_EVENT_VIF_ADD,
                                             v, vifi, mrt->id);
                }
@@ -417,7 +417,7 @@ int mr_dump(struct net *net, struct notifier_block *nb, unsigned short family,
 
                /* Notify on table MFC entries */
                list_for_each_entry_rcu(mfc, &mrt->mfc_cache_list, list)
-                       mr_call_mfc_notifier(nb, net, family,
+                       mr_call_mfc_notifier(nb, family,
                                             FIB_EVENT_ENTRY_ADD,
                                             mfc, mrt->id);
        }

diff --git a/net/ipv6/fib6_notifier.c b/net/ipv6/fib6_notifier.c
index 05f82baaa99ef13dcd419b91fd4460eba54a6ab6..4fe79296999a1be17c42ae2313644f1520eb35a9 100644 (file)
--- a/net/ipv6/fib6_notifier.c
+++ b/net/ipv6/fib6_notifier.c
@@ -7,12 +7,12 @@
 #include <net/netns/ipv6.h>
 #include <net/ip6_fib.h>
 
-int call_fib6_notifier(struct notifier_block *nb, struct net *net,
+int call_fib6_notifier(struct notifier_block *nb,
                       enum fib_event_type event_type,
                       struct fib_notifier_info *info)
 {
        info->family = AF_INET6;
-       return call_fib_notifier(nb, net, event_type, info);
+       return call_fib_notifier(nb, event_type, info);
 }
 
 int call_fib6_notifiers(struct net *net, enum fib_event_type event_type,

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 6e2af411cd9cc4131c5d457e6d48f177fc6d4428..f6fae48b2e18f70f982f85043fcd1c88dfbf8111 100644 (file)
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -357,7 +357,7 @@ unsigned int fib6_tables_seq_read(struct net *net)
        return fib_seq;
 }
 
-static int call_fib6_entry_notifier(struct notifier_block *nb, struct net *net,
+static int call_fib6_entry_notifier(struct notifier_block *nb,
                                    enum fib_event_type event_type,
                                    struct fib6_info *rt)
 {
@@ -365,7 +365,7 @@ static int call_fib6_entry_notifier(struct notifier_block *nb, struct net *net,
                .rt = rt,
        };
 
-       return call_fib6_notifier(nb, net, event_type, &info.info);
+       return call_fib6_notifier(nb, event_type, &info.info);
 }
 
 int call_fib6_entry_notifiers(struct net *net,
@@ -407,7 +407,7 @@ static void fib6_rt_dump(struct fib6_info *rt, struct fib6_dump_arg *arg)
 {
        if (rt == arg->net->ipv6.fib6_null_entry)
                return;
-       call_fib6_entry_notifier(arg->nb, arg->net, FIB_EVENT_ENTRY_ADD, rt);
+       call_fib6_entry_notifier(arg->nb, FIB_EVENT_ENTRY_ADD, rt);
 }
 
 static int fib6_node_dump(struct fib6_walker *w)