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switchdev: bring back switchdev_obj and use it as a generic object param
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Replace "void *obj" with a generic structure. Introduce couple of
helpers along that.

Signed-off-by: Jiri Pirko <[email protected]>
Acked-by: Scott Feldman <[email protected]>
Reviewed-by: Vivien Didelot <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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@jpirko @davem330
jpirko authored and davem330 committed Oct 3, 2015
1 parent 52ba57c commit 648b4a9
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Showing 6 changed files with 109 additions and 62 deletions.
41 changes: 25 additions & 16 deletions drivers/net/ethernet/rocker/rocker.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -4437,7 +4437,8 @@ static int rocker_port_fdb_add(struct rocker_port *rocker_port,
}

static int rocker_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)
{
struct rocker_port *rocker_port = netdev_priv(dev);
Expand All @@ -4446,16 +4447,18 @@ static int rocker_port_obj_add(struct net_device *dev,

switch (id) {
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = rocker_port_vlans_add(rocker_port, trans, obj);
err = rocker_port_vlans_add(rocker_port, trans,
SWITCHDEV_OBJ_PORT_VLAN(obj));
break;
case SWITCHDEV_OBJ_ID_IPV4_FIB:
fib4 = obj;
fib4 = SWITCHDEV_OBJ_IPV4_FIB(obj);
err = rocker_port_fib_ipv4(rocker_port, trans,
htonl(fib4->dst), fib4->dst_len,
fib4->fi, fib4->tb_id, 0);
break;
case SWITCHDEV_OBJ_ID_PORT_FDB:
err = rocker_port_fdb_add(rocker_port, trans, obj);
err = rocker_port_fdb_add(rocker_port, trans,
SWITCHDEV_OBJ_PORT_FDB(obj));
break;
default:
err = -EOPNOTSUPP;
Expand Down Expand Up @@ -4508,25 +4511,28 @@ static int rocker_port_fdb_del(struct rocker_port *rocker_port,
}

static int rocker_port_obj_del(struct net_device *dev,
enum switchdev_obj_id id, const void *obj)
enum switchdev_obj_id id,
const struct switchdev_obj *obj)
{
struct rocker_port *rocker_port = netdev_priv(dev);
const struct switchdev_obj_ipv4_fib *fib4;
int err = 0;

switch (id) {
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = rocker_port_vlans_del(rocker_port, obj);
err = rocker_port_vlans_del(rocker_port,
SWITCHDEV_OBJ_PORT_VLAN(obj));
break;
case SWITCHDEV_OBJ_ID_IPV4_FIB:
fib4 = obj;
fib4 = SWITCHDEV_OBJ_IPV4_FIB(obj);
err = rocker_port_fib_ipv4(rocker_port, NULL,
htonl(fib4->dst), fib4->dst_len,
fib4->fi, fib4->tb_id,
ROCKER_OP_FLAG_REMOVE);
break;
case SWITCHDEV_OBJ_ID_PORT_FDB:
err = rocker_port_fdb_del(rocker_port, NULL, obj);
err = rocker_port_fdb_del(rocker_port, NULL,
SWITCHDEV_OBJ_PORT_FDB(obj));
break;
default:
err = -EOPNOTSUPP;
Expand All @@ -4538,7 +4544,7 @@ 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_port_fdb *fdb,
int (*cb)(void *obj))
switchdev_obj_dump_cb_t *cb)
{
struct rocker *rocker = rocker_port->rocker;
struct rocker_fdb_tbl_entry *found;
Expand All @@ -4555,7 +4561,7 @@ 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 = cb(fdb);
err = cb(&fdb->obj);
if (err)
break;
}
Expand All @@ -4566,7 +4572,7 @@ 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_port_vlan *vlan,
int (*cb)(void *obj))
switchdev_obj_dump_cb_t *cb)
{
u16 vid;
int err = 0;
Expand All @@ -4578,7 +4584,7 @@ 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 = cb(vlan);
err = cb(&vlan->obj);
if (err)
break;
}
Expand All @@ -4587,18 +4593,21 @@ static int rocker_port_vlan_dump(const struct rocker_port *rocker_port,
}

static int rocker_port_obj_dump(struct net_device *dev,
enum switchdev_obj_id id, void *obj,
int (*cb)(void *obj))
enum switchdev_obj_id id,
struct switchdev_obj *obj,
switchdev_obj_dump_cb_t *cb)
{
const struct rocker_port *rocker_port = netdev_priv(dev);
int err = 0;

switch (id) {
case SWITCHDEV_OBJ_ID_PORT_FDB:
err = rocker_port_fdb_dump(rocker_port, obj, cb);
err = rocker_port_fdb_dump(rocker_port,
SWITCHDEV_OBJ_PORT_FDB(obj), cb);
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = rocker_port_vlan_dump(rocker_port, obj, cb);
err = rocker_port_vlan_dump(rocker_port,
SWITCHDEV_OBJ_PORT_VLAN(obj), cb);
break;
default:
err = -EOPNOTSUPP;
Expand Down
42 changes: 31 additions & 11 deletions include/net/switchdev.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -64,15 +64,23 @@ enum switchdev_obj_id {
SWITCHDEV_OBJ_ID_PORT_FDB,
};

struct switchdev_obj {
};

/* SWITCHDEV_OBJ_ID_PORT_VLAN */
struct switchdev_obj_port_vlan {
struct switchdev_obj obj;
u16 flags;
u16 vid_begin;
u16 vid_end;
};

#define SWITCHDEV_OBJ_PORT_VLAN(obj) \
container_of(obj, struct switchdev_obj_port_vlan, obj)

/* SWITCHDEV_OBJ_ID_IPV4_FIB */
struct switchdev_obj_ipv4_fib {
struct switchdev_obj obj;
u32 dst;
int dst_len;
struct fib_info *fi;
Expand All @@ -82,18 +90,27 @@ struct switchdev_obj_ipv4_fib {
u32 tb_id;
};

#define SWITCHDEV_OBJ_IPV4_FIB(obj) \
container_of(obj, struct switchdev_obj_ipv4_fib, obj)

/* SWITCHDEV_OBJ_ID_PORT_FDB */
struct switchdev_obj_port_fdb {
struct switchdev_obj obj;
const unsigned char *addr;
u16 vid;
u16 ndm_state;
};

#define SWITCHDEV_OBJ_PORT_FDB(obj) \
container_of(obj, struct switchdev_obj_port_fdb, obj)

void switchdev_trans_item_enqueue(struct switchdev_trans *trans,
void *data, void (*destructor)(void const *),
struct switchdev_trans_item *tritem);
void *switchdev_trans_item_dequeue(struct switchdev_trans *trans);

typedef int switchdev_obj_dump_cb_t(struct switchdev_obj *obj);

/**
* struct switchdev_ops - switchdev operations
*
Expand All @@ -115,14 +132,15 @@ struct switchdev_ops {
struct switchdev_trans *trans);
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 (*switchdev_port_obj_del)(struct net_device *dev,
enum switchdev_obj_id id,
const void *obj);
const struct switchdev_obj *obj);
int (*switchdev_port_obj_dump)(struct net_device *dev,
enum switchdev_obj_id id, void *obj,
int (*cb)(void *obj));
enum switchdev_obj_id id,
struct switchdev_obj *obj,
switchdev_obj_dump_cb_t *cb);
};

enum switchdev_notifier_type {
Expand Down Expand Up @@ -153,11 +171,12 @@ int switchdev_port_attr_get(struct net_device *dev,
int switchdev_port_attr_set(struct net_device *dev,
struct switchdev_attr *attr);
int switchdev_port_obj_add(struct net_device *dev, enum switchdev_obj_id id,
const void *obj);
const struct switchdev_obj *obj);
int switchdev_port_obj_del(struct net_device *dev, enum switchdev_obj_id id,
const void *obj);
const struct switchdev_obj *obj);
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);
int register_switchdev_notifier(struct notifier_block *nb);
int unregister_switchdev_notifier(struct notifier_block *nb);
int call_switchdev_notifiers(unsigned long val, struct net_device *dev,
Expand Down Expand Up @@ -203,21 +222,22 @@ static inline int switchdev_port_attr_set(struct net_device *dev,

static inline int switchdev_port_obj_add(struct net_device *dev,
enum switchdev_obj_id id,
const void *obj)
const struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}

static inline int switchdev_port_obj_del(struct net_device *dev,
enum switchdev_obj_id id,
const void *obj)
const struct switchdev_obj *obj)
{
return -EOPNOTSUPP;
}

static inline int switchdev_port_obj_dump(struct net_device *dev,
enum switchdev_obj_id id, void *obj,
int (*cb)(void *obj))
enum switchdev_obj_id id,
const struct switchdev_obj *obj,
switchdev_obj_dump_cb_t *cb)
{
return -EOPNOTSUPP;
}
Expand Down
3 changes: 2 additions & 1 deletion net/bridge/br_fdb.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -138,7 +138,8 @@ static void fdb_del_external_learn(struct net_bridge_fdb_entry *f)
.vid = f->vlan_id,
};

switchdev_port_obj_del(f->dst->dev, SWITCHDEV_OBJ_ID_PORT_FDB, &fdb);
switchdev_port_obj_del(f->dst->dev, SWITCHDEV_OBJ_ID_PORT_FDB,
&fdb.obj);
}

static void fdb_delete(struct net_bridge *br, struct net_bridge_fdb_entry *f)
Expand Down
4 changes: 2 additions & 2 deletions net/bridge/br_vlan.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -89,7 +89,7 @@ static int __vlan_vid_add(struct net_device *dev, struct net_bridge *br,
};

err = switchdev_port_obj_add(dev, SWITCHDEV_OBJ_ID_PORT_VLAN,
&v);
&v.obj);
if (err == -EOPNOTSUPP)
err = 0;
}
Expand Down Expand Up @@ -138,7 +138,7 @@ static int __vlan_vid_del(struct net_device *dev, struct net_bridge *br,
};

err = switchdev_port_obj_del(dev, SWITCHDEV_OBJ_ID_PORT_VLAN,
&v);
&v.obj);
if (err == -EOPNOTSUPP)
err = 0;
}
Expand Down
41 changes: 27 additions & 14 deletions net/dsa/slave.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,7 @@ static int dsa_slave_port_vlan_del(struct net_device *dev,

static int dsa_slave_port_vlan_dump(struct net_device *dev,
struct switchdev_obj_port_vlan *vlan,
int (*cb)(void *obj))
switchdev_obj_dump_cb_t *cb)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent;
Expand Down Expand Up @@ -332,7 +332,7 @@ static int dsa_slave_port_vlan_dump(struct net_device *dev,
if (test_bit(p->port, untagged))
vlan->flags |= BRIDGE_VLAN_INFO_UNTAGGED;

err = cb(vlan);
err = cb(&vlan->obj);
if (err)
break;
}
Expand Down Expand Up @@ -371,7 +371,7 @@ static int dsa_slave_port_fdb_del(struct net_device *dev,

static int dsa_slave_port_fdb_dump(struct net_device *dev,
struct switchdev_obj_port_fdb *fdb,
int (*cb)(void *obj))
switchdev_obj_dump_cb_t *cb)
{
struct dsa_slave_priv *p = netdev_priv(dev);
struct dsa_switch *ds = p->parent;
Expand All @@ -394,7 +394,7 @@ static int dsa_slave_port_fdb_dump(struct net_device *dev,
fdb->vid = vid;
fdb->ndm_state = is_static ? NUD_NOARP : NUD_REACHABLE;

ret = cb(fdb);
ret = cb(&fdb->obj);
if (ret < 0)
break;
}
Expand Down Expand Up @@ -474,7 +474,8 @@ static int dsa_slave_port_attr_set(struct net_device *dev,
}

static int dsa_slave_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)
{
int err;
Expand All @@ -486,10 +487,14 @@ static int dsa_slave_port_obj_add(struct net_device *dev,

switch (id) {
case SWITCHDEV_OBJ_ID_PORT_FDB:
err = dsa_slave_port_fdb_add(dev, obj, trans);
err = dsa_slave_port_fdb_add(dev,
SWITCHDEV_OBJ_PORT_FDB(obj),
trans);
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dsa_slave_port_vlan_add(dev, obj, trans);
err = dsa_slave_port_vlan_add(dev,
SWITCHDEV_OBJ_PORT_VLAN(obj),
trans);
break;
default:
err = -EOPNOTSUPP;
Expand All @@ -500,16 +505,19 @@ static int dsa_slave_port_obj_add(struct net_device *dev,
}

static int dsa_slave_port_obj_del(struct net_device *dev,
enum switchdev_obj_id id, const void *obj)
enum switchdev_obj_id id,
const struct switchdev_obj *obj)
{
int err;

switch (id) {
case SWITCHDEV_OBJ_ID_PORT_FDB:
err = dsa_slave_port_fdb_del(dev, obj);
err = dsa_slave_port_fdb_del(dev,
SWITCHDEV_OBJ_PORT_FDB(obj));
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dsa_slave_port_vlan_del(dev, obj);
err = dsa_slave_port_vlan_del(dev,
SWITCHDEV_OBJ_PORT_VLAN(obj));
break;
default:
err = -EOPNOTSUPP;
Expand All @@ -520,17 +528,22 @@ static int dsa_slave_port_obj_del(struct net_device *dev,
}

static int dsa_slave_port_obj_dump(struct net_device *dev,
enum switchdev_obj_id id, void *obj,
int (*cb)(void *obj))
enum switchdev_obj_id id,
struct switchdev_obj *obj,
switchdev_obj_dump_cb_t *cb)
{
int err;

switch (id) {
case SWITCHDEV_OBJ_ID_PORT_FDB:
err = dsa_slave_port_fdb_dump(dev, obj, cb);
err = dsa_slave_port_fdb_dump(dev,
SWITCHDEV_OBJ_PORT_FDB(obj),
cb);
break;
case SWITCHDEV_OBJ_ID_PORT_VLAN:
err = dsa_slave_port_vlan_dump(dev, obj, cb);
err = dsa_slave_port_vlan_dump(dev,
SWITCHDEV_OBJ_PORT_VLAN(obj),
cb);
break;
default:
err = -EOPNOTSUPP;
Expand Down
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