[PATCH v7 net-next 5/9] drivers: net: dsa: add fdb entry flags to drivers

From: Hans J. Schultz
Date: Sun Oct 09 2022 - 13:42:03 EST

Ignore fdb entries with set flags coming in on all drivers.

Signed-off-by: Hans J. Schultz <netdev@xxxxxxxxxxxxxxxxxxxx>
---
drivers/net/dsa/b53/b53_common.c | 12 ++++++++++--
drivers/net/dsa/b53/b53_priv.h | 4 ++--
drivers/net/dsa/hirschmann/hellcreek.c | 12 ++++++++++--
drivers/net/dsa/lan9303-core.c | 12 ++++++++++--
drivers/net/dsa/lantiq_gswip.c | 12 ++++++++++--
drivers/net/dsa/microchip/ksz9477.c | 8 ++++----
drivers/net/dsa/microchip/ksz9477.h | 8 ++++----
drivers/net/dsa/microchip/ksz_common.c | 14 +++++++++++---
drivers/net/dsa/mt7530.c | 12 ++++++++++--
drivers/net/dsa/mv88e6xxx/chip.c | 12 ++++++++++--
drivers/net/dsa/ocelot/felix.c | 12 ++++++++++--
drivers/net/dsa/qca/qca8k-common.c | 12 ++++++++++--
drivers/net/dsa/qca/qca8k.h | 4 ++--
drivers/net/dsa/sja1105/sja1105_main.c | 18 +++++++++++++-----
include/net/dsa.h | 4 ++--
net/dsa/switch.c | 8 ++++----
16 files changed, 122 insertions(+), 42 deletions(-)

diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 59cdfc51ce06..cec60af6dfdc 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1684,11 +1684,15 @@ static int b53_arl_op(struct b53_device *dev, int op, int port,

int b53_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct b53_device *priv = ds->priv;
int ret;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
/* 5325 and 5365 require some more massaging, but could
* be supported eventually
*/
@@ -1705,11 +1709,15 @@ EXPORT_SYMBOL(b53_fdb_add);

int b53_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct b53_device *priv = ds->priv;
int ret;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
mutex_lock(&priv->arl_mutex);
ret = b53_arl_op(priv, 0, port, addr, vid, false);
mutex_unlock(&priv->arl_mutex);
diff --git a/drivers/net/dsa/b53/b53_priv.h b/drivers/net/dsa/b53/b53_priv.h
index 795cbffd5c2b..7673c4e712bb 100644
--- a/drivers/net/dsa/b53/b53_priv.h
+++ b/drivers/net/dsa/b53/b53_priv.h
@@ -362,10 +362,10 @@ int b53_vlan_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_vlan *vlan);
int b53_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db);
+ u16 fdb_flags, struct dsa_db db);
int b53_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db);
+ u16 fdb_flags, struct dsa_db db);
int b53_fdb_dump(struct dsa_switch *ds, int port,
dsa_fdb_dump_cb_t *cb, void *data);
int b53_mdb_add(struct dsa_switch *ds, int port,
diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c
index 951f7935c872..374b90e79b9a 100644
--- a/drivers/net/dsa/hirschmann/hellcreek.c
+++ b/drivers/net/dsa/hirschmann/hellcreek.c
@@ -839,12 +839,16 @@ static int hellcreek_fdb_get(struct hellcreek *hellcreek,

static int hellcreek_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct hellcreek_fdb_entry entry = { 0 };
struct hellcreek *hellcreek = ds->priv;
int ret;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
dev_dbg(hellcreek->dev, "Add FDB entry for MAC=%pM\n", addr);

mutex_lock(&hellcreek->reg_lock);
@@ -885,12 +889,16 @@ static int hellcreek_fdb_add(struct dsa_switch *ds, int port,

static int hellcreek_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct hellcreek_fdb_entry entry = { 0 };
struct hellcreek *hellcreek = ds->priv;
int ret;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
dev_dbg(hellcreek->dev, "Delete FDB entry for MAC=%pM\n", addr);

mutex_lock(&hellcreek->reg_lock);
diff --git a/drivers/net/dsa/lan9303-core.c b/drivers/net/dsa/lan9303-core.c
index 438e46af03e9..36187705833f 100644
--- a/drivers/net/dsa/lan9303-core.c
+++ b/drivers/net/dsa/lan9303-core.c
@@ -1192,10 +1192,14 @@ static void lan9303_port_fast_age(struct dsa_switch *ds, int port)

static int lan9303_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct lan9303 *chip = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
dev_dbg(chip->dev, "%s(%d, %pM, %d)\n", __func__, port, addr, vid);
if (vid)
return -EOPNOTSUPP;
@@ -1205,10 +1209,14 @@ static int lan9303_port_fdb_add(struct dsa_switch *ds, int port,

static int lan9303_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct lan9303 *chip = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
dev_dbg(chip->dev, "%s(%d, %pM, %d)\n", __func__, port, addr, vid);
if (vid)
return -EOPNOTSUPP;
diff --git a/drivers/net/dsa/lantiq_gswip.c b/drivers/net/dsa/lantiq_gswip.c
index 05ecaa007ab1..a945e8e62232 100644
--- a/drivers/net/dsa/lantiq_gswip.c
+++ b/drivers/net/dsa/lantiq_gswip.c
@@ -1399,15 +1399,23 @@ static int gswip_port_fdb(struct dsa_switch *ds, int port,

static int gswip_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
return gswip_port_fdb(ds, port, addr, vid, true);
}

static int gswip_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
return gswip_port_fdb(ds, port, addr, vid, false);
}

diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index a6a0321a8931..e65daabf9865 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -457,8 +457,8 @@ int ksz9477_port_vlan_del(struct ksz_device *dev, int port,
return 0;
}

-int ksz9477_fdb_add(struct ksz_device *dev, int port,
- const unsigned char *addr, u16 vid, struct dsa_db db)
+int ksz9477_fdb_add(struct ksz_device *dev, int port, const unsigned char *addr,
+ u16 vid, struct dsa_db db)
{
u32 alu_table[4];
u32 data;
@@ -513,8 +513,8 @@ int ksz9477_fdb_add(struct ksz_device *dev, int port,
return ret;
}

-int ksz9477_fdb_del(struct ksz_device *dev, int port,
- const unsigned char *addr, u16 vid, struct dsa_db db)
+int ksz9477_fdb_del(struct ksz_device *dev, int port, const unsigned char *addr,
+ u16 vid, struct dsa_db db)
{
u32 alu_table[4];
u32 data;
diff --git a/drivers/net/dsa/microchip/ksz9477.h b/drivers/net/dsa/microchip/ksz9477.h
index 00862c4cfb7f..a9c64e166cca 100644
--- a/drivers/net/dsa/microchip/ksz9477.h
+++ b/drivers/net/dsa/microchip/ksz9477.h
@@ -41,10 +41,10 @@ void ksz9477_get_caps(struct ksz_device *dev, int port,
struct phylink_config *config);
int ksz9477_fdb_dump(struct ksz_device *dev, int port,
dsa_fdb_dump_cb_t *cb, void *data);
-int ksz9477_fdb_add(struct ksz_device *dev, int port,
- const unsigned char *addr, u16 vid, struct dsa_db db);
-int ksz9477_fdb_del(struct ksz_device *dev, int port,
- const unsigned char *addr, u16 vid, struct dsa_db db);
+int ksz9477_fdb_add(struct ksz_device *dev, int port, const unsigned char *addr,
+ u16 vid, struct dsa_db db);
+int ksz9477_fdb_del(struct ksz_device *dev, int port, const unsigned char *addr,
+ u16 vid, struct dsa_db db);
int ksz9477_mdb_add(struct ksz_device *dev, int port,
const struct switchdev_obj_port_mdb *mdb, struct dsa_db db);
int ksz9477_mdb_del(struct ksz_device *dev, int port,
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index d612181b3226..cfcfc725fed9 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -2227,10 +2227,14 @@ static int ksz_set_ageing_time(struct dsa_switch *ds, unsigned int msecs)

static int ksz_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct ksz_device *dev = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (!dev->dev_ops->fdb_add)
return -EOPNOTSUPP;

@@ -2238,11 +2242,15 @@ static int ksz_port_fdb_add(struct dsa_switch *ds, int port,
}

static int ksz_port_fdb_del(struct dsa_switch *ds, int port,
- const unsigned char *addr,
- u16 vid, struct dsa_db db)
+ const unsigned char *addr, u16 vid,
+ u16 fdb_flags, struct dsa_db db)
{
struct ksz_device *dev = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (!dev->dev_ops->fdb_del)
return -EOPNOTSUPP;

diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index e74c6b406172..fd75565b1782 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -1369,12 +1369,16 @@ mt7530_port_bridge_leave(struct dsa_switch *ds, int port,
static int
mt7530_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct mt7530_priv *priv = ds->priv;
int ret;
u8 port_mask = BIT(port);

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
mutex_lock(&priv->reg_mutex);
mt7530_fdb_write(priv, vid, port_mask, addr, -1, STATIC_ENT);
ret = mt7530_fdb_cmd(priv, MT7530_FDB_WRITE, NULL);
@@ -1386,12 +1390,16 @@ mt7530_port_fdb_add(struct dsa_switch *ds, int port,
static int
mt7530_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct mt7530_priv *priv = ds->priv;
int ret;
u8 port_mask = BIT(port);

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
mutex_lock(&priv->reg_mutex);
mt7530_fdb_write(priv, vid, port_mask, addr, -1, STATIC_EMP);
ret = mt7530_fdb_cmd(priv, MT7530_FDB_WRITE, NULL);
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 2479be3a1e35..352121cce77e 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2722,11 +2722,15 @@ static int mv88e6xxx_vlan_msti_set(struct dsa_switch *ds,

static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct mv88e6xxx_chip *chip = ds->priv;
int err;

+ /* Ignore entries with flags set */
+ if (fdb_flags)
+ return 0;
+
mv88e6xxx_reg_lock(chip);
err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid,
MV88E6XXX_G1_ATU_DATA_STATE_UC_STATIC);
@@ -2737,11 +2741,15 @@ static int mv88e6xxx_port_fdb_add(struct dsa_switch *ds, int port,

static int mv88e6xxx_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct mv88e6xxx_chip *chip = ds->priv;
int err;

+ /* Ignore entries with flags set */
+ if (fdb_flags)
+ return 0;
+
mv88e6xxx_reg_lock(chip);
err = mv88e6xxx_port_db_load_purge(chip, port, addr, vid, 0);
mv88e6xxx_reg_unlock(chip);
diff --git a/drivers/net/dsa/ocelot/felix.c b/drivers/net/dsa/ocelot/felix.c
index dd3a18cc89dd..b9acec77c820 100644
--- a/drivers/net/dsa/ocelot/felix.c
+++ b/drivers/net/dsa/ocelot/felix.c
@@ -782,12 +782,16 @@ static int felix_fdb_dump(struct dsa_switch *ds, int port,

static int felix_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct net_device *bridge_dev = felix_classify_db(db);
struct dsa_port *dp = dsa_to_port(ds, port);
struct ocelot *ocelot = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (IS_ERR(bridge_dev))
return PTR_ERR(bridge_dev);

@@ -803,12 +807,16 @@ static int felix_fdb_add(struct dsa_switch *ds, int port,

static int felix_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct net_device *bridge_dev = felix_classify_db(db);
struct dsa_port *dp = dsa_to_port(ds, port);
struct ocelot *ocelot = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (IS_ERR(bridge_dev))
return PTR_ERR(bridge_dev);

diff --git a/drivers/net/dsa/qca/qca8k-common.c b/drivers/net/dsa/qca/qca8k-common.c
index fb45b598847b..e26a9a483955 100644
--- a/drivers/net/dsa/qca/qca8k-common.c
+++ b/drivers/net/dsa/qca/qca8k-common.c
@@ -795,21 +795,29 @@ int qca8k_port_fdb_insert(struct qca8k_priv *priv, const u8 *addr,

int qca8k_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
u16 port_mask = BIT(port);

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
return qca8k_port_fdb_insert(priv, addr, port_mask, vid);
}

int qca8k_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct qca8k_priv *priv = (struct qca8k_priv *)ds->priv;
u16 port_mask = BIT(port);

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (!vid)
vid = QCA8K_PORT_VID_DEF;

diff --git a/drivers/net/dsa/qca/qca8k.h b/drivers/net/dsa/qca/qca8k.h
index 0b7a5cb12321..5d47e840ae1e 100644
--- a/drivers/net/dsa/qca/qca8k.h
+++ b/drivers/net/dsa/qca/qca8k.h
@@ -479,10 +479,10 @@ int qca8k_port_fdb_insert(struct qca8k_priv *priv, const u8 *addr,
u16 port_mask, u16 vid);
int qca8k_port_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db);
+ u16 fdb_flags, struct dsa_db db);
int qca8k_port_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db);
+ u16 fdb_flags, struct dsa_db db);
int qca8k_port_fdb_dump(struct dsa_switch *ds, int port,
dsa_fdb_dump_cb_t *cb, void *data);

diff --git a/drivers/net/dsa/sja1105/sja1105_main.c b/drivers/net/dsa/sja1105/sja1105_main.c
index 412666111b0c..526177813d53 100644
--- a/drivers/net/dsa/sja1105/sja1105_main.c
+++ b/drivers/net/dsa/sja1105/sja1105_main.c
@@ -1802,10 +1802,14 @@ int sja1105pqrs_fdb_del(struct dsa_switch *ds, int port,

static int sja1105_fdb_add(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct sja1105_private *priv = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (!vid) {
switch (db.type) {
case DSA_DB_PORT:
@@ -1824,10 +1828,14 @@ static int sja1105_fdb_add(struct dsa_switch *ds, int port,

static int sja1105_fdb_del(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db)
+ u16 fdb_flags, struct dsa_db db)
{
struct sja1105_private *priv = ds->priv;

+ /* Ignore entries with set flags */
+ if (fdb_flags)
+ return 0;
+
if (!vid) {
switch (db.type) {
case DSA_DB_PORT:
@@ -1930,7 +1938,7 @@ static void sja1105_fast_age(struct dsa_switch *ds, int port)

u64_to_ether_addr(l2_lookup.macaddr, macaddr);

- rc = sja1105_fdb_del(ds, port, macaddr, l2_lookup.vlanid, db);
+ rc = sja1105_fdb_del(ds, port, macaddr, l2_lookup.vlanid, 0, db);
if (rc) {
dev_err(ds->dev,
"Failed to delete FDB entry %pM vid %lld: %pe\n",
@@ -1944,14 +1952,14 @@ static int sja1105_mdb_add(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db)
{
- return sja1105_fdb_add(ds, port, mdb->addr, mdb->vid, db);
+ return sja1105_fdb_add(ds, port, mdb->addr, mdb->vid, 0, db);
}

static int sja1105_mdb_del(struct dsa_switch *ds, int port,
const struct switchdev_obj_port_mdb *mdb,
struct dsa_db db)
{
- return sja1105_fdb_del(ds, port, mdb->addr, mdb->vid, db);
+ return sja1105_fdb_del(ds, port, mdb->addr, mdb->vid, 0, db);
}

/* Common function for unicast and broadcast flood configuration.
diff --git a/include/net/dsa.h b/include/net/dsa.h
index d5b2aef52d93..50ed82f16cda 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -1043,10 +1043,10 @@ struct dsa_switch_ops {
*/
int (*port_fdb_add)(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db);
+ u16 fdb_flags, struct dsa_db db);
int (*port_fdb_del)(struct dsa_switch *ds, int port,
const unsigned char *addr, u16 vid,
- struct dsa_db db);
+ u16 fdb_flags, struct dsa_db db);
int (*port_fdb_dump)(struct dsa_switch *ds, int port,
dsa_fdb_dump_cb_t *cb, void *data);
int (*lag_fdb_add)(struct dsa_switch *ds, struct dsa_lag lag,
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index dd355556892e..6dacab9c1428 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -243,7 +243,7 @@ static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr,

/* No need to bother with refcounting for user ports */
if (!(dsa_port_is_cpu(dp) || dsa_port_is_dsa(dp)))
- return ds->ops->port_fdb_add(ds, port, addr, vid, db);
+ return ds->ops->port_fdb_add(ds, port, addr, vid, fdb_flags, db);

mutex_lock(&dp->addr_lists_lock);

@@ -259,7 +259,7 @@ static int dsa_port_do_fdb_add(struct dsa_port *dp, const unsigned char *addr,
goto out;
}

- err = ds->ops->port_fdb_add(ds, port, addr, vid, db);
+ err = ds->ops->port_fdb_add(ds, port, addr, vid, fdb_flags, db);
if (err) {
kfree(a);
goto out;
@@ -287,7 +287,7 @@ static int dsa_port_do_fdb_del(struct dsa_port *dp, const unsigned char *addr,

/* No need to bother with refcounting for user ports */
if (!(dsa_port_is_cpu(dp) || dsa_port_is_dsa(dp)))
- return ds->ops->port_fdb_del(ds, port, addr, vid, db);
+ return ds->ops->port_fdb_del(ds, port, addr, vid, fdb_flags, db);

mutex_lock(&dp->addr_lists_lock);

@@ -300,7 +300,7 @@ static int dsa_port_do_fdb_del(struct dsa_port *dp, const unsigned char *addr,
if (!refcount_dec_and_test(&a->refcount))
goto out;

- err = ds->ops->port_fdb_del(ds, port, addr, vid, db);
+ err = ds->ops->port_fdb_del(ds, port, addr, vid, fdb_flags, db);
if (err) {
refcount_set(&a->refcount, 1);
goto out;
--
2.34.1