switchdev: bring back switchdev_obj and use it as a generic object param
Replace "void *obj" with a generic structure. Introduce couple of
helpers along that.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Scott Feldman <sfeldma@gmail.com>
Reviewed-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 250d013..0402b36 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -270,7 +270,8 @@
EXPORT_SYMBOL_GPL(switchdev_port_attr_set);
static int __switchdev_port_obj_add(struct net_device *dev,
- enum switchdev_obj_id id, const void *obj,
+ enum switchdev_obj_id id,
+ const struct switchdev_obj *obj,
struct switchdev_trans *trans)
{
const struct switchdev_ops *ops = dev->switchdev_ops;
@@ -309,7 +310,7 @@
* rtnl_lock must be held.
*/
int switchdev_port_obj_add(struct net_device *dev, enum switchdev_obj_id id,
- const void *obj)
+ const struct switchdev_obj *obj)
{
struct switchdev_trans trans;
int err;
@@ -361,7 +362,7 @@
* @obj: object to delete
*/
int switchdev_port_obj_del(struct net_device *dev, enum switchdev_obj_id id,
- const void *obj)
+ const struct switchdev_obj *obj)
{
const struct switchdev_ops *ops = dev->switchdev_ops;
struct net_device *lower_dev;
@@ -395,7 +396,8 @@
* @cb: function to call with a filled object
*/
int switchdev_port_obj_dump(struct net_device *dev, enum switchdev_obj_id id,
- void *obj, int (*cb)(void *obj))
+ struct switchdev_obj *obj,
+ switchdev_obj_dump_cb_t *cb)
{
const struct switchdev_ops *ops = dev->switchdev_ops;
struct net_device *lower_dev;
@@ -521,9 +523,9 @@
return 0;
}
-static int switchdev_port_vlan_dump_cb(void *obj)
+static int switchdev_port_vlan_dump_cb(struct switchdev_obj *obj)
{
- struct switchdev_obj_port_vlan *vlan = obj;
+ struct switchdev_obj_port_vlan *vlan = SWITCHDEV_OBJ_PORT_VLAN(obj);
struct switchdev_vlan_dump *dump =
container_of(vlan, struct switchdev_vlan_dump, vlan);
int err = 0;
@@ -585,7 +587,7 @@
if ((filter_mask & RTEXT_FILTER_BRVLAN) ||
(filter_mask & RTEXT_FILTER_BRVLAN_COMPRESSED)) {
err = switchdev_port_obj_dump(dev, SWITCHDEV_OBJ_ID_PORT_VLAN,
- &dump.vlan,
+ &dump.vlan.obj,
switchdev_port_vlan_dump_cb);
if (err)
goto err_out;
@@ -700,11 +702,11 @@
struct nlattr *afspec,
int (*f)(struct net_device *dev,
enum switchdev_obj_id id,
- const void *obj))
+ const struct switchdev_obj *obj))
{
struct nlattr *attr;
struct bridge_vlan_info *vinfo;
- struct switchdev_obj_port_vlan vlan = { 0 };
+ struct switchdev_obj_port_vlan vlan = { {}, 0 };
int rem;
int err;
@@ -725,7 +727,7 @@
vlan.vid_end = vinfo->vid;
if (vlan.vid_end <= vlan.vid_begin)
return -EINVAL;
- err = f(dev, SWITCHDEV_OBJ_ID_PORT_VLAN, &vlan);
+ err = f(dev, SWITCHDEV_OBJ_ID_PORT_VLAN, &vlan.obj);
if (err)
return err;
memset(&vlan, 0, sizeof(vlan));
@@ -734,7 +736,7 @@
return -EINVAL;
vlan.vid_begin = vinfo->vid;
vlan.vid_end = vinfo->vid;
- err = f(dev, SWITCHDEV_OBJ_ID_PORT_VLAN, &vlan);
+ err = f(dev, SWITCHDEV_OBJ_ID_PORT_VLAN, &vlan.obj);
if (err)
return err;
memset(&vlan, 0, sizeof(vlan));
@@ -824,7 +826,7 @@
.vid = vid,
};
- return switchdev_port_obj_add(dev, SWITCHDEV_OBJ_ID_PORT_FDB, &fdb);
+ return switchdev_port_obj_add(dev, SWITCHDEV_OBJ_ID_PORT_FDB, &fdb.obj);
}
EXPORT_SYMBOL_GPL(switchdev_port_fdb_add);
@@ -848,7 +850,7 @@
.vid = vid,
};
- return switchdev_port_obj_del(dev, SWITCHDEV_OBJ_ID_PORT_FDB, &fdb);
+ return switchdev_port_obj_del(dev, SWITCHDEV_OBJ_ID_PORT_FDB, &fdb.obj);
}
EXPORT_SYMBOL_GPL(switchdev_port_fdb_del);
@@ -860,9 +862,9 @@
int idx;
};
-static int switchdev_port_fdb_dump_cb(void *obj)
+static int switchdev_port_fdb_dump_cb(struct switchdev_obj *obj)
{
- struct switchdev_obj_port_fdb *fdb = obj;
+ struct switchdev_obj_port_fdb *fdb = SWITCHDEV_OBJ_PORT_FDB(obj);
struct switchdev_fdb_dump *dump =
container_of(fdb, struct switchdev_fdb_dump, fdb);
u32 portid = NETLINK_CB(dump->cb->skb).portid;
@@ -926,7 +928,7 @@
.idx = idx,
};
- switchdev_port_obj_dump(dev, SWITCHDEV_OBJ_ID_PORT_FDB, &dump.fdb,
+ switchdev_port_obj_dump(dev, SWITCHDEV_OBJ_ID_PORT_FDB, &dump.fdb.obj,
switchdev_port_fdb_dump_cb);
return dump.idx;
}
@@ -1033,7 +1035,8 @@
if (!dev)
return 0;
- err = switchdev_port_obj_add(dev, SWITCHDEV_OBJ_ID_IPV4_FIB, &ipv4_fib);
+ err = switchdev_port_obj_add(dev, SWITCHDEV_OBJ_ID_IPV4_FIB,
+ &ipv4_fib.obj);
if (!err)
fi->fib_flags |= RTNH_F_OFFLOAD;
@@ -1075,7 +1078,8 @@
if (!dev)
return 0;
- err = switchdev_port_obj_del(dev, SWITCHDEV_OBJ_ID_IPV4_FIB, &ipv4_fib);
+ err = switchdev_port_obj_del(dev, SWITCHDEV_OBJ_ID_IPV4_FIB,
+ &ipv4_fib.obj);
if (!err)
fi->fib_flags &= ~RTNH_F_OFFLOAD;