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-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c4
-rw-r--r--drivers/net/ethernet/rocker/rocker_main.c2
-rw-r--r--include/net/switchdev.h1
-rw-r--r--net/bridge/br.c4
-rw-r--r--net/bridge/br_fdb.c47
-rw-r--r--net/bridge/br_private.h6
-rw-r--r--net/bridge/br_switchdev.c12
-rw-r--r--net/dsa/slave.c5
8 files changed, 51 insertions, 30 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
index 1af99fe5fd32..3973d90cc908 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_switchdev.c
@@ -2270,6 +2270,8 @@ static void mlxsw_sp_switchdev_event_work(struct work_struct *work)
switch (switchdev_work->event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE:
fdb_info = &switchdev_work->fdb_info;
+ if (!fdb_info->added_by_user)
+ break;
err = mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, true);
if (err)
break;
@@ -2279,6 +2281,8 @@ static void mlxsw_sp_switchdev_event_work(struct work_struct *work)
break;
case SWITCHDEV_FDB_DEL_TO_DEVICE:
fdb_info = &switchdev_work->fdb_info;
+ if (!fdb_info->added_by_user)
+ break;
mlxsw_sp_port_fdb_set(mlxsw_sp_port, fdb_info, false);
break;
case SWITCHDEV_FDB_ADD_TO_BRIDGE: /* fall through */
diff --git a/drivers/net/ethernet/rocker/rocker_main.c b/drivers/net/ethernet/rocker/rocker_main.c
index 056cb6093630..152d6948611c 100644
--- a/drivers/net/ethernet/rocker/rocker_main.c
+++ b/drivers/net/ethernet/rocker/rocker_main.c
@@ -2783,6 +2783,8 @@ static int rocker_switchdev_event(struct notifier_block *unused,
switch (event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */
case SWITCHDEV_FDB_DEL_TO_DEVICE:
+ if (!fdb_info->added_by_user)
+ break;
memcpy(&switchdev_work->fdb_info, ptr,
sizeof(switchdev_work->fdb_info));
switchdev_work->fdb_info.addr = kzalloc(ETH_ALEN, GFP_ATOMIC);
diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 39bc855d7fee..d574ce63bf22 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -155,6 +155,7 @@ struct switchdev_notifier_fdb_info {
struct switchdev_notifier_info info; /* must be first */
const unsigned char *addr;
u16 vid;
+ bool added_by_user;
};
static inline struct net_device *
diff --git a/net/bridge/br.c b/net/bridge/br.c
index 2ca035054664..b0a0b82e2d91 100644
--- a/net/bridge/br.c
+++ b/net/bridge/br.c
@@ -145,7 +145,7 @@ static int br_switchdev_event(struct notifier_block *unused,
case SWITCHDEV_FDB_ADD_TO_BRIDGE:
fdb_info = ptr;
err = br_fdb_external_learn_add(br, p, fdb_info->addr,
- fdb_info->vid);
+ fdb_info->vid, false);
if (err) {
err = notifier_from_errno(err);
break;
@@ -156,7 +156,7 @@ static int br_switchdev_event(struct notifier_block *unused,
case SWITCHDEV_FDB_DEL_TO_BRIDGE:
fdb_info = ptr;
err = br_fdb_external_learn_del(br, p, fdb_info->addr,
- fdb_info->vid);
+ fdb_info->vid, false);
if (err)
err = notifier_from_errno(err);
break;
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index a1c409cacec4..b19e3104afd6 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -40,7 +40,7 @@ static struct kmem_cache *br_fdb_cache __read_mostly;
static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
const unsigned char *addr, u16 vid);
static void fdb_notify(struct net_bridge *br,
- const struct net_bridge_fdb_entry *, int);
+ const struct net_bridge_fdb_entry *, int, bool);
int __init br_fdb_init(void)
{
@@ -195,7 +195,8 @@ static void fdb_del_hw_addr(struct net_bridge *br, const unsigned char *addr)
}
}
-static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f)
+static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f,
+ bool swdev_notify)
{
trace_fdb_delete(br, f);
@@ -205,7 +206,7 @@ static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f)
hlist_del_init_rcu(&f->fdb_node);
rhashtable_remove_fast(&br->fdb_hash_tbl, &f->rhnode,
br_fdb_rht_params);
- fdb_notify(br, f, RTM_DELNEIGH);
+ fdb_notify(br, f, RTM_DELNEIGH, swdev_notify);
call_rcu(&f->rcu, fdb_rcu_free);
}
@@ -241,7 +242,7 @@ static void fdb_delete_local(struct net_bridge *br,
return;
}
- fdb_delete(br, f);
+ fdb_delete(br, f, true);
}
void br_fdb_find_delete_local(struct net_bridge *br,
@@ -356,7 +357,7 @@ void br_fdb_cleanup(struct work_struct *work)
} else {
spin_lock_bh(&br->hash_lock);
if (!hlist_unhashed(&f->fdb_node))
- fdb_delete(br, f);
+ fdb_delete(br, f, true);
spin_unlock_bh(&br->hash_lock);
}
}
@@ -376,7 +377,7 @@ void br_fdb_flush(struct net_bridge *br)
spin_lock_bh(&br->hash_lock);
hlist_for_each_entry_safe(f, tmp, &br->fdb_list, fdb_node) {
if (!f->is_static)
- fdb_delete(br, f);
+ fdb_delete(br, f, true);
}
spin_unlock_bh(&br->hash_lock);
}
@@ -405,7 +406,7 @@ void br_fdb_delete_by_port(struct net_bridge *br,
if (f->is_local)
fdb_delete_local(br, p, f);
else
- fdb_delete(br, f);
+ fdb_delete(br, f, true);
}
spin_unlock_bh(&br->hash_lock);
}
@@ -531,7 +532,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
return 0;
br_warn(br, "adding interface %s with same address as a received packet (addr:%pM, vlan:%u)\n",
source ? source->dev->name : br->dev->name, addr, vid);
- fdb_delete(br, fdb);
+ fdb_delete(br, fdb, true);
}
fdb = fdb_create(br, source, addr, vid, 1, 1);
@@ -539,7 +540,7 @@ static int fdb_insert(struct net_bridge *br, struct net_bridge_port *source,
return -ENOMEM;
fdb_add_hw_addr(br, addr);
- fdb_notify(br, fdb, RTM_NEWNEIGH);
+ fdb_notify(br, fdb, RTM_NEWNEIGH, true);
return 0;
}
@@ -594,7 +595,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
fdb->added_by_user = 1;
if (unlikely(fdb_modified)) {
trace_br_fdb_update(br, source, addr, vid, added_by_user);
- fdb_notify(br, fdb, RTM_NEWNEIGH);
+ fdb_notify(br, fdb, RTM_NEWNEIGH, true);
}
}
} else {
@@ -605,7 +606,7 @@ void br_fdb_update(struct net_bridge *br, struct net_bridge_port *source,
fdb->added_by_user = 1;
trace_br_fdb_update(br, source, addr, vid,
added_by_user);
- fdb_notify(br, fdb, RTM_NEWNEIGH);
+ fdb_notify(br, fdb, RTM_NEWNEIGH, true);
}
/* else we lose race and someone else inserts
* it first, don't bother updating
@@ -687,13 +688,15 @@ static inline size_t fdb_nlmsg_size(void)
}
static void fdb_notify(struct net_bridge *br,
- const struct net_bridge_fdb_entry *fdb, int type)
+ const struct net_bridge_fdb_entry *fdb, int type,
+ bool swdev_notify)
{
struct net *net = dev_net(br->dev);
struct sk_buff *skb;
int err = -ENOBUFS;
- br_switchdev_fdb_notify(fdb, type);
+ if (swdev_notify)
+ br_switchdev_fdb_notify(fdb, type);
skb = nlmsg_new(fdb_nlmsg_size(), GFP_ATOMIC);
if (skb == NULL)
@@ -832,7 +835,7 @@ static int fdb_add_entry(struct net_bridge *br, struct net_bridge_port *source,
fdb->used = jiffies;
if (modified) {
fdb->updated = jiffies;
- fdb_notify(br, fdb, RTM_NEWNEIGH);
+ fdb_notify(br, fdb, RTM_NEWNEIGH, true);
}
return 0;
@@ -856,7 +859,7 @@ static int __br_fdb_add(struct ndmsg *ndm, struct net_bridge *br,
rcu_read_unlock();
local_bh_enable();
} else if (ndm->ndm_flags & NTF_EXT_LEARNED) {
- err = br_fdb_external_learn_add(br, p, addr, vid);
+ err = br_fdb_external_learn_add(br, p, addr, vid, true);
} else {
spin_lock_bh(&br->hash_lock);
err = fdb_add_entry(br, p, addr, ndm->ndm_state,
@@ -945,7 +948,7 @@ static int fdb_delete_by_addr_and_port(struct net_bridge *br,
if (!fdb || fdb->dst != p)
return -ENOENT;
- fdb_delete(br, fdb);
+ fdb_delete(br, fdb, true);
return 0;
}
@@ -1065,7 +1068,8 @@ void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p)
}
int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid,
+ bool swdev_notify)
{
struct net_bridge_fdb_entry *fdb;
bool modified = false;
@@ -1083,7 +1087,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
goto err_unlock;
}
fdb->added_by_external_learn = 1;
- fdb_notify(br, fdb, RTM_NEWNEIGH);
+ fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
} else {
fdb->updated = jiffies;
@@ -1102,7 +1106,7 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
}
if (modified)
- fdb_notify(br, fdb, RTM_NEWNEIGH);
+ fdb_notify(br, fdb, RTM_NEWNEIGH, swdev_notify);
}
err_unlock:
@@ -1112,7 +1116,8 @@ err_unlock:
}
int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
- const unsigned char *addr, u16 vid)
+ const unsigned char *addr, u16 vid,
+ bool swdev_notify)
{
struct net_bridge_fdb_entry *fdb;
int err = 0;
@@ -1121,7 +1126,7 @@ int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
fdb = br_fdb_find(br, addr, vid);
if (fdb && fdb->added_by_external_learn)
- fdb_delete(br, fdb);
+ fdb_delete(br, fdb, swdev_notify);
else
err = -ENOENT;
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 0ddeeea2c6a7..742f40aefdaf 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -553,9 +553,11 @@ int br_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
int br_fdb_sync_static(struct net_bridge *br, struct net_bridge_port *p);
void br_fdb_unsync_static(struct net_bridge *br, struct net_bridge_port *p);
int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p,
- const unsigned char *addr, u16 vid);
+ const unsigned char *addr, u16 vid,
+ bool swdev_notify);
int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p,
- const unsigned char *addr, u16 vid);
+ const unsigned char *addr, u16 vid,
+ bool swdev_notify);
void br_fdb_offloaded_set(struct net_bridge *br, struct net_bridge_port *p,
const unsigned char *addr, u16 vid);
diff --git a/net/bridge/br_switchdev.c b/net/bridge/br_switchdev.c
index ee775f4ff76c..35474d49555d 100644
--- a/net/bridge/br_switchdev.c
+++ b/net/bridge/br_switchdev.c
@@ -102,13 +102,15 @@ int br_switchdev_set_port_flag(struct net_bridge_port *p,
static void
br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac,
- u16 vid, struct net_device *dev)
+ u16 vid, struct net_device *dev,
+ bool added_by_user)
{
struct switchdev_notifier_fdb_info info;
unsigned long notifier_type;
info.addr = mac;
info.vid = vid;
+ info.added_by_user = added_by_user;
notifier_type = adding ? SWITCHDEV_FDB_ADD_TO_DEVICE : SWITCHDEV_FDB_DEL_TO_DEVICE;
call_switchdev_notifiers(notifier_type, dev, &info.info);
}
@@ -116,19 +118,21 @@ br_switchdev_fdb_call_notifiers(bool adding, const unsigned char *mac,
void
br_switchdev_fdb_notify(const struct net_bridge_fdb_entry *fdb, int type)
{
- if (!fdb->added_by_user || !fdb->dst)
+ if (!fdb->dst)
return;
switch (type) {
case RTM_DELNEIGH:
br_switchdev_fdb_call_notifiers(false, fdb->key.addr.addr,
fdb->key.vlan_id,
- fdb->dst->dev);
+ fdb->dst->dev,
+ fdb->added_by_user);
break;
case RTM_NEWNEIGH:
br_switchdev_fdb_call_notifiers(true, fdb->key.addr.addr,
fdb->key.vlan_id,
- fdb->dst->dev);
+ fdb->dst->dev,
+ fdb->added_by_user);
break;
}
}
diff --git a/net/dsa/slave.c b/net/dsa/slave.c
index f3fb3a0880b1..c287f1ef964c 100644
--- a/net/dsa/slave.c
+++ b/net/dsa/slave.c
@@ -1441,6 +1441,7 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused,
unsigned long event, void *ptr)
{
struct net_device *dev = switchdev_notifier_info_to_dev(ptr);
+ struct switchdev_notifier_fdb_info *fdb_info = ptr;
struct dsa_switchdev_event_work *switchdev_work;
if (!dsa_slave_dev_check(dev))
@@ -1458,8 +1459,10 @@ static int dsa_slave_switchdev_event(struct notifier_block *unused,
switch (event) {
case SWITCHDEV_FDB_ADD_TO_DEVICE: /* fall through */
case SWITCHDEV_FDB_DEL_TO_DEVICE:
+ if (!fdb_info->added_by_user)
+ break;
if (dsa_slave_switchdev_fdb_work_init(switchdev_work,
- ptr))
+ fdb_info))
goto err_fdb_work_init;
dev_hold(dev);
break;