From 25f07adc473f05f850efc9414b9da3374563015f Mon Sep 17 00:00:00 2001 From: Vivien Didelot Date: Tue, 29 Sep 2015 12:07:16 -0400 Subject: net: switchdev: pass callback to dump operation Similar to the notifier_call callback of a notifier_block, change the function signature of switchdev dump operation to: int switchdev_port_obj_dump(struct net_device *dev, enum switchdev_obj_id id, void *obj, int (*cb)(void *obj)); This allows the caller to pass and expect back a specific switchdev_obj_* structure instead of the generic switchdev_obj one. Drivers implementation of dump operation can now expect this specific structure and call the callback with it. Drivers have been changed accordingly. Signed-off-by: Vivien Didelot Signed-off-by: David S. Miller --- drivers/net/ethernet/rocker/rocker.c | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) (limited to 'drivers/net/ethernet') diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index 78fd443f2ea1..107adb6aee81 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -4538,10 +4538,10 @@ static int rocker_port_obj_del(struct net_device *dev, } static int rocker_port_fdb_dump(const struct rocker_port *rocker_port, - struct switchdev_obj *obj) + struct switchdev_obj_fdb *fdb, + int (*cb)(void *obj)) { struct rocker *rocker = rocker_port->rocker; - struct switchdev_obj_fdb *fdb = &obj->u.fdb; struct rocker_fdb_tbl_entry *found; struct hlist_node *tmp; unsigned long lock_flags; @@ -4556,7 +4556,7 @@ static int rocker_port_fdb_dump(const struct rocker_port *rocker_port, fdb->ndm_state = NUD_REACHABLE; fdb->vid = rocker_port_vlan_to_vid(rocker_port, found->key.vlan_id); - err = obj->cb(obj); + err = cb(fdb); if (err) break; } @@ -4566,9 +4566,9 @@ static int rocker_port_fdb_dump(const struct rocker_port *rocker_port, } static int rocker_port_vlan_dump(const struct rocker_port *rocker_port, - struct switchdev_obj *obj) + struct switchdev_obj_vlan *vlan, + int (*cb)(void *obj)) { - struct switchdev_obj_vlan *vlan = &obj->u.vlan; u16 vid; int err = 0; @@ -4579,7 +4579,7 @@ static int rocker_port_vlan_dump(const struct rocker_port *rocker_port, if (rocker_vlan_id_is_internal(htons(vid))) vlan->flags |= BRIDGE_VLAN_INFO_PVID; vlan->vid_begin = vlan->vid_end = vid; - err = obj->cb(obj); + err = cb(vlan); if (err) break; } @@ -4588,17 +4588,18 @@ static int rocker_port_vlan_dump(const struct rocker_port *rocker_port, } static int rocker_port_obj_dump(struct net_device *dev, - struct switchdev_obj *obj) + enum switchdev_obj_id id, void *obj, + int (*cb)(void *obj)) { const struct rocker_port *rocker_port = netdev_priv(dev); int err = 0; - switch (obj->id) { + switch (id) { case SWITCHDEV_OBJ_PORT_FDB: - err = rocker_port_fdb_dump(rocker_port, obj); + err = rocker_port_fdb_dump(rocker_port, obj, cb); break; case SWITCHDEV_OBJ_PORT_VLAN: - err = rocker_port_vlan_dump(rocker_port, obj); + err = rocker_port_vlan_dump(rocker_port, obj, cb); break; default: err = -EOPNOTSUPP; -- cgit v1.2.3-59-g8ed1b