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-rw-r--r--include/net/dsa.h3
-rw-r--r--net/dsa/dsa2.c14
-rw-r--r--net/dsa/switch.c132
3 files changed, 59 insertions, 90 deletions
diff --git a/include/net/dsa.h b/include/net/dsa.h
index 147b757ef8ea..96acb14ec1a8 100644
--- a/include/net/dsa.h
+++ b/include/net/dsa.h
@@ -275,9 +275,6 @@ struct dsa_switch {
*/
bool vlan_filtering;
- unsigned long *bitmap;
- unsigned long _bitmap;
-
/* Dynamically allocated ports, keep last */
size_t num_ports;
struct dsa_port ports[];
diff --git a/net/dsa/dsa2.c b/net/dsa/dsa2.c
index 8c4eccb0cfe6..f8445fa73448 100644
--- a/net/dsa/dsa2.c
+++ b/net/dsa/dsa2.c
@@ -834,20 +834,6 @@ struct dsa_switch *dsa_switch_alloc(struct device *dev, size_t n)
if (!ds)
return NULL;
- /* We avoid allocating memory outside dsa_switch
- * if it is not needed.
- */
- if (n <= sizeof(ds->_bitmap) * 8) {
- ds->bitmap = &ds->_bitmap;
- } else {
- ds->bitmap = devm_kcalloc(dev,
- BITS_TO_LONGS(n),
- sizeof(unsigned long),
- GFP_KERNEL);
- if (unlikely(!ds->bitmap))
- return NULL;
- }
-
ds->dev = dev;
ds->num_ports = n;
diff --git a/net/dsa/switch.c b/net/dsa/switch.c
index 09d9286b27cc..489eb7b430a4 100644
--- a/net/dsa/switch.c
+++ b/net/dsa/switch.c
@@ -128,57 +128,51 @@ static int dsa_switch_fdb_del(struct dsa_switch *ds,
return ds->ops->port_fdb_del(ds, port, info->addr, info->vid);
}
-static int
-dsa_switch_mdb_prepare_bitmap(struct dsa_switch *ds,
- const struct switchdev_obj_port_mdb *mdb,
- const unsigned long *bitmap)
+static bool dsa_switch_mdb_match(struct dsa_switch *ds, int port,
+ struct dsa_notifier_mdb_info *info)
+{
+ if (ds->index == info->sw_index && port == info->port)
+ return true;
+
+ if (dsa_is_dsa_port(ds, port))
+ return true;
+
+ return false;
+}
+
+static int dsa_switch_mdb_prepare(struct dsa_switch *ds,
+ struct dsa_notifier_mdb_info *info)
{
int port, err;
if (!ds->ops->port_mdb_prepare || !ds->ops->port_mdb_add)
return -EOPNOTSUPP;
- for_each_set_bit(port, bitmap, ds->num_ports) {
- err = ds->ops->port_mdb_prepare(ds, port, mdb);
- if (err)
- return err;
+ for (port = 0; port < ds->num_ports; port++) {
+ if (dsa_switch_mdb_match(ds, port, info)) {
+ err = ds->ops->port_mdb_prepare(ds, port, info->mdb);
+ if (err)
+ return err;
+ }
}
return 0;
}
-static void dsa_switch_mdb_add_bitmap(struct dsa_switch *ds,
- const struct switchdev_obj_port_mdb *mdb,
- const unsigned long *bitmap)
-{
- int port;
-
- if (!ds->ops->port_mdb_add)
- return;
-
- for_each_set_bit(port, bitmap, ds->num_ports)
- ds->ops->port_mdb_add(ds, port, mdb);
-}
-
static int dsa_switch_mdb_add(struct dsa_switch *ds,
struct dsa_notifier_mdb_info *info)
{
- const struct switchdev_obj_port_mdb *mdb = info->mdb;
- struct switchdev_trans *trans = info->trans;
int port;
- /* Build a mask of Multicast group members */
- bitmap_zero(ds->bitmap, ds->num_ports);
- if (ds->index == info->sw_index)
- set_bit(info->port, ds->bitmap);
- for (port = 0; port < ds->num_ports; port++)
- if (dsa_is_dsa_port(ds, port))
- set_bit(port, ds->bitmap);
+ if (switchdev_trans_ph_prepare(info->trans))
+ return dsa_switch_mdb_prepare(ds, info);
- if (switchdev_trans_ph_prepare(trans))
- return dsa_switch_mdb_prepare_bitmap(ds, mdb, ds->bitmap);
+ if (!ds->ops->port_mdb_add)
+ return 0;
- dsa_switch_mdb_add_bitmap(ds, mdb, ds->bitmap);
+ for (port = 0; port < ds->num_ports; port++)
+ if (dsa_switch_mdb_match(ds, port, info))
+ ds->ops->port_mdb_add(ds, port, info->mdb);
return 0;
}
@@ -186,13 +180,11 @@ static int dsa_switch_mdb_add(struct dsa_switch *ds,
static int dsa_switch_mdb_del(struct dsa_switch *ds,
struct dsa_notifier_mdb_info *info)
{
- const struct switchdev_obj_port_mdb *mdb = info->mdb;
-
if (!ds->ops->port_mdb_del)
return -EOPNOTSUPP;
if (ds->index == info->sw_index)
- return ds->ops->port_mdb_del(ds, info->port, mdb);
+ return ds->ops->port_mdb_del(ds, info->port, info->mdb);
return 0;
}
@@ -234,59 +226,55 @@ static int dsa_port_vlan_check(struct dsa_switch *ds, int port,
(void *)vlan);
}
-static int
-dsa_switch_vlan_prepare_bitmap(struct dsa_switch *ds,
- const struct switchdev_obj_port_vlan *vlan,
- const unsigned long *bitmap)
+static bool dsa_switch_vlan_match(struct dsa_switch *ds, int port,
+ struct dsa_notifier_vlan_info *info)
+{
+ if (ds->index == info->sw_index && port == info->port)
+ return true;
+
+ if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
+ return true;
+
+ return false;
+}
+
+static int dsa_switch_vlan_prepare(struct dsa_switch *ds,
+ struct dsa_notifier_vlan_info *info)
{
int port, err;
if (!ds->ops->port_vlan_prepare || !ds->ops->port_vlan_add)
return -EOPNOTSUPP;
- for_each_set_bit(port, bitmap, ds->num_ports) {
- err = dsa_port_vlan_check(ds, port, vlan);
- if (err)
- return err;
+ for (port = 0; port < ds->num_ports; port++) {
+ if (dsa_switch_vlan_match(ds, port, info)) {
+ err = dsa_port_vlan_check(ds, port, info->vlan);
+ if (err)
+ return err;
- err = ds->ops->port_vlan_prepare(ds, port, vlan);
- if (err)
- return err;
+ err = ds->ops->port_vlan_prepare(ds, port, info->vlan);
+ if (err)
+ return err;
+ }
}
return 0;
}
-static void
-dsa_switch_vlan_add_bitmap(struct dsa_switch *ds,
- const struct switchdev_obj_port_vlan *vlan,
- const unsigned long *bitmap)
-{
- int port;
-
- for_each_set_bit(port, bitmap, ds->num_ports)
- ds->ops->port_vlan_add(ds, port, vlan);
-}
-
static int dsa_switch_vlan_add(struct dsa_switch *ds,
struct dsa_notifier_vlan_info *info)
{
- const struct switchdev_obj_port_vlan *vlan = info->vlan;
- struct switchdev_trans *trans = info->trans;
int port;
- /* Build a mask of VLAN members */
- bitmap_zero(ds->bitmap, ds->num_ports);
- if (ds->index == info->sw_index)
- set_bit(info->port, ds->bitmap);
- for (port = 0; port < ds->num_ports; port++)
- if (dsa_is_cpu_port(ds, port) || dsa_is_dsa_port(ds, port))
- set_bit(port, ds->bitmap);
+ if (switchdev_trans_ph_prepare(info->trans))
+ return dsa_switch_vlan_prepare(ds, info);
- if (switchdev_trans_ph_prepare(trans))
- return dsa_switch_vlan_prepare_bitmap(ds, vlan, ds->bitmap);
+ if (!ds->ops->port_vlan_add)
+ return 0;
- dsa_switch_vlan_add_bitmap(ds, vlan, ds->bitmap);
+ for (port = 0; port < ds->num_ports; port++)
+ if (dsa_switch_vlan_match(ds, port, info))
+ ds->ops->port_vlan_add(ds, port, info->vlan);
return 0;
}
@@ -294,13 +282,11 @@ static int dsa_switch_vlan_add(struct dsa_switch *ds,
static int dsa_switch_vlan_del(struct dsa_switch *ds,
struct dsa_notifier_vlan_info *info)
{
- const struct switchdev_obj_port_vlan *vlan = info->vlan;
-
if (!ds->ops->port_vlan_del)
return -EOPNOTSUPP;
if (ds->index == info->sw_index)
- return ds->ops->port_vlan_del(ds, info->port, vlan);
+ return ds->ops->port_vlan_del(ds, info->port, info->vlan);
return 0;
}