mirror of
https://github.com/torvalds/linux.git
synced 2025-11-04 10:40:15 +02:00
switchdev: add support for fdb add/del/dump via switchdev_port_obj ops.
- introduce port fdb obj and generic switchdev_port_fdb_add/del/dump() - use switchdev_port_fdb_add/del/dump in rocker/team/bonding ndo ops. - add support for fdb obj in switchdev_port_obj_add/del/dump() - switch rocker to implement fdb ops via switchdev_ops v3: updated to sync with named union changes. Signed-off-by: Sridhar Samudrala <sridhar.samudrala@intel.com> Signed-off-by: Scott Feldman <sfeldma@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Samudrala, Sridhar
David S. Miller
parent
5d48ef3e95
commit
45d4122ca7
5 changed files with 312 additions and 107 deletions
|
|
@ -4039,6 +4039,9 @@ static const struct net_device_ops bond_netdev_ops = {
|
|||
.ndo_bridge_setlink = switchdev_port_bridge_setlink,
|
||||
.ndo_bridge_getlink = switchdev_port_bridge_getlink,
|
||||
.ndo_bridge_dellink = switchdev_port_bridge_dellink,
|
||||
.ndo_fdb_add = switchdev_port_fdb_add,
|
||||
.ndo_fdb_del = switchdev_port_fdb_del,
|
||||
.ndo_fdb_dump = switchdev_port_fdb_dump,
|
||||
.ndo_features_check = passthru_features_check,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -4193,110 +4193,6 @@ static int rocker_port_vlan_rx_kill_vid(struct net_device *dev,
|
|||
ROCKER_OP_FLAG_REMOVE, vid);
|
||||
}
|
||||
|
||||
static int rocker_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev,
|
||||
const unsigned char *addr, u16 vid,
|
||||
u16 nlm_flags)
|
||||
{
|
||||
struct rocker_port *rocker_port = netdev_priv(dev);
|
||||
__be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, vid, NULL);
|
||||
int flags = 0;
|
||||
|
||||
if (!rocker_port_is_bridged(rocker_port))
|
||||
return -EINVAL;
|
||||
|
||||
return rocker_port_fdb(rocker_port, SWITCHDEV_TRANS_NONE,
|
||||
addr, vlan_id, flags);
|
||||
}
|
||||
|
||||
static int rocker_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev,
|
||||
const unsigned char *addr, u16 vid)
|
||||
{
|
||||
struct rocker_port *rocker_port = netdev_priv(dev);
|
||||
__be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, vid, NULL);
|
||||
int flags = ROCKER_OP_FLAG_REMOVE;
|
||||
|
||||
if (!rocker_port_is_bridged(rocker_port))
|
||||
return -EINVAL;
|
||||
|
||||
return rocker_port_fdb(rocker_port, SWITCHDEV_TRANS_NONE,
|
||||
addr, vlan_id, flags);
|
||||
}
|
||||
|
||||
static int rocker_fdb_fill_info(struct sk_buff *skb,
|
||||
struct rocker_port *rocker_port,
|
||||
const unsigned char *addr, u16 vid,
|
||||
u32 portid, u32 seq, int type,
|
||||
unsigned int flags)
|
||||
{
|
||||
struct nlmsghdr *nlh;
|
||||
struct ndmsg *ndm;
|
||||
|
||||
nlh = nlmsg_put(skb, portid, seq, type, sizeof(*ndm), flags);
|
||||
if (!nlh)
|
||||
return -EMSGSIZE;
|
||||
|
||||
ndm = nlmsg_data(nlh);
|
||||
ndm->ndm_family = AF_BRIDGE;
|
||||
ndm->ndm_pad1 = 0;
|
||||
ndm->ndm_pad2 = 0;
|
||||
ndm->ndm_flags = NTF_SELF;
|
||||
ndm->ndm_type = 0;
|
||||
ndm->ndm_ifindex = rocker_port->dev->ifindex;
|
||||
ndm->ndm_state = NUD_REACHABLE;
|
||||
|
||||
if (nla_put(skb, NDA_LLADDR, ETH_ALEN, addr))
|
||||
goto nla_put_failure;
|
||||
|
||||
if (vid && nla_put_u16(skb, NDA_VLAN, vid))
|
||||
goto nla_put_failure;
|
||||
|
||||
nlmsg_end(skb, nlh);
|
||||
return 0;
|
||||
|
||||
nla_put_failure:
|
||||
nlmsg_cancel(skb, nlh);
|
||||
return -EMSGSIZE;
|
||||
}
|
||||
|
||||
static int rocker_port_fdb_dump(struct sk_buff *skb,
|
||||
struct netlink_callback *cb,
|
||||
struct net_device *dev,
|
||||
struct net_device *filter_dev,
|
||||
int idx)
|
||||
{
|
||||
struct rocker_port *rocker_port = netdev_priv(dev);
|
||||
struct rocker *rocker = rocker_port->rocker;
|
||||
struct rocker_fdb_tbl_entry *found;
|
||||
struct hlist_node *tmp;
|
||||
int bkt;
|
||||
unsigned long lock_flags;
|
||||
const unsigned char *addr;
|
||||
u16 vid;
|
||||
int err;
|
||||
|
||||
spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags);
|
||||
hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) {
|
||||
if (found->key.pport != rocker_port->pport)
|
||||
continue;
|
||||
if (idx < cb->args[0])
|
||||
goto skip;
|
||||
addr = found->key.addr;
|
||||
vid = rocker_port_vlan_to_vid(rocker_port, found->key.vlan_id);
|
||||
err = rocker_fdb_fill_info(skb, rocker_port, addr, vid,
|
||||
NETLINK_CB(cb->skb).portid,
|
||||
cb->nlh->nlmsg_seq,
|
||||
RTM_NEWNEIGH, NLM_F_MULTI);
|
||||
if (err < 0)
|
||||
break;
|
||||
skip:
|
||||
++idx;
|
||||
}
|
||||
spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags);
|
||||
return idx;
|
||||
}
|
||||
|
||||
static int rocker_port_get_phys_port_name(struct net_device *dev,
|
||||
char *buf, size_t len)
|
||||
{
|
||||
|
|
@ -4320,12 +4216,12 @@ static const struct net_device_ops rocker_port_netdev_ops = {
|
|||
.ndo_set_mac_address = rocker_port_set_mac_address,
|
||||
.ndo_vlan_rx_add_vid = rocker_port_vlan_rx_add_vid,
|
||||
.ndo_vlan_rx_kill_vid = rocker_port_vlan_rx_kill_vid,
|
||||
.ndo_fdb_add = rocker_port_fdb_add,
|
||||
.ndo_fdb_del = rocker_port_fdb_del,
|
||||
.ndo_fdb_dump = rocker_port_fdb_dump,
|
||||
.ndo_bridge_getlink = switchdev_port_bridge_getlink,
|
||||
.ndo_bridge_setlink = switchdev_port_bridge_setlink,
|
||||
.ndo_bridge_dellink = switchdev_port_bridge_dellink,
|
||||
.ndo_fdb_add = switchdev_port_fdb_add,
|
||||
.ndo_fdb_del = switchdev_port_fdb_del,
|
||||
.ndo_fdb_dump = switchdev_port_fdb_dump,
|
||||
.ndo_get_phys_port_name = rocker_port_get_phys_port_name,
|
||||
};
|
||||
|
||||
|
|
@ -4447,6 +4343,19 @@ static int rocker_port_vlans_add(struct rocker_port *rocker_port,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int rocker_port_fdb_add(struct rocker_port *rocker_port,
|
||||
enum switchdev_trans trans,
|
||||
struct switchdev_obj_fdb *fdb)
|
||||
{
|
||||
__be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL);
|
||||
int flags = 0;
|
||||
|
||||
if (!rocker_port_is_bridged(rocker_port))
|
||||
return -EINVAL;
|
||||
|
||||
return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags);
|
||||
}
|
||||
|
||||
static int rocker_port_obj_add(struct net_device *dev,
|
||||
struct switchdev_obj *obj)
|
||||
{
|
||||
|
|
@ -4476,6 +4385,9 @@ static int rocker_port_obj_add(struct net_device *dev,
|
|||
htonl(fib4->dst), fib4->dst_len,
|
||||
fib4->fi, fib4->tb_id, 0);
|
||||
break;
|
||||
case SWITCHDEV_OBJ_PORT_FDB:
|
||||
err = rocker_port_fdb_add(rocker_port, obj->trans, &obj->u.fdb);
|
||||
break;
|
||||
default:
|
||||
err = -EOPNOTSUPP;
|
||||
break;
|
||||
|
|
@ -4513,6 +4425,19 @@ static int rocker_port_vlans_del(struct rocker_port *rocker_port,
|
|||
return 0;
|
||||
}
|
||||
|
||||
static int rocker_port_fdb_del(struct rocker_port *rocker_port,
|
||||
enum switchdev_trans trans,
|
||||
struct switchdev_obj_fdb *fdb)
|
||||
{
|
||||
__be16 vlan_id = rocker_port_vid_to_vlan(rocker_port, fdb->vid, NULL);
|
||||
int flags = ROCKER_OP_FLAG_REMOVE;
|
||||
|
||||
if (!rocker_port_is_bridged(rocker_port))
|
||||
return -EINVAL;
|
||||
|
||||
return rocker_port_fdb(rocker_port, trans, fdb->addr, vlan_id, flags);
|
||||
}
|
||||
|
||||
static int rocker_port_obj_del(struct net_device *dev,
|
||||
struct switchdev_obj *obj)
|
||||
{
|
||||
|
|
@ -4531,6 +4456,54 @@ static int rocker_port_obj_del(struct net_device *dev,
|
|||
fib4->fi, fib4->tb_id,
|
||||
ROCKER_OP_FLAG_REMOVE);
|
||||
break;
|
||||
case SWITCHDEV_OBJ_PORT_FDB:
|
||||
err = rocker_port_fdb_del(rocker_port, obj->trans, &obj->u.fdb);
|
||||
break;
|
||||
default:
|
||||
err = -EOPNOTSUPP;
|
||||
break;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int rocker_port_fdb_dump(struct rocker_port *rocker_port,
|
||||
struct switchdev_obj *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;
|
||||
int bkt;
|
||||
int err = 0;
|
||||
|
||||
spin_lock_irqsave(&rocker->fdb_tbl_lock, lock_flags);
|
||||
hash_for_each_safe(rocker->fdb_tbl, bkt, tmp, found, entry) {
|
||||
if (found->key.pport != rocker_port->pport)
|
||||
continue;
|
||||
fdb->addr = found->key.addr;
|
||||
fdb->vid = rocker_port_vlan_to_vid(rocker_port,
|
||||
found->key.vlan_id);
|
||||
err = obj->cb(rocker_port->dev, obj);
|
||||
if (err)
|
||||
break;
|
||||
}
|
||||
spin_unlock_irqrestore(&rocker->fdb_tbl_lock, lock_flags);
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static int rocker_port_obj_dump(struct net_device *dev,
|
||||
struct switchdev_obj *obj)
|
||||
{
|
||||
struct rocker_port *rocker_port = netdev_priv(dev);
|
||||
int err = 0;
|
||||
|
||||
switch (obj->id) {
|
||||
case SWITCHDEV_OBJ_PORT_FDB:
|
||||
err = rocker_port_fdb_dump(rocker_port, obj);
|
||||
break;
|
||||
default:
|
||||
err = -EOPNOTSUPP;
|
||||
break;
|
||||
|
|
@ -4544,6 +4517,7 @@ static const struct switchdev_ops rocker_port_switchdev_ops = {
|
|||
.switchdev_port_attr_set = rocker_port_attr_set,
|
||||
.switchdev_port_obj_add = rocker_port_obj_add,
|
||||
.switchdev_port_obj_del = rocker_port_obj_del,
|
||||
.switchdev_port_obj_dump = rocker_port_obj_dump,
|
||||
};
|
||||
|
||||
/********************
|
||||
|
|
|
|||
|
|
@ -1980,6 +1980,9 @@ static const struct net_device_ops team_netdev_ops = {
|
|||
.ndo_bridge_setlink = switchdev_port_bridge_setlink,
|
||||
.ndo_bridge_getlink = switchdev_port_bridge_getlink,
|
||||
.ndo_bridge_dellink = switchdev_port_bridge_dellink,
|
||||
.ndo_fdb_add = switchdev_port_fdb_add,
|
||||
.ndo_fdb_del = switchdev_port_fdb_del,
|
||||
.ndo_fdb_dump = switchdev_port_fdb_dump,
|
||||
.ndo_features_check = passthru_features_check,
|
||||
};
|
||||
|
||||
|
|
|
|||
|
|
@ -47,11 +47,13 @@ enum switchdev_obj_id {
|
|||
SWITCHDEV_OBJ_UNDEFINED,
|
||||
SWITCHDEV_OBJ_PORT_VLAN,
|
||||
SWITCHDEV_OBJ_IPV4_FIB,
|
||||
SWITCHDEV_OBJ_PORT_FDB,
|
||||
};
|
||||
|
||||
struct switchdev_obj {
|
||||
enum switchdev_obj_id id;
|
||||
enum switchdev_trans trans;
|
||||
int (*cb)(struct net_device *dev, struct switchdev_obj *obj);
|
||||
union {
|
||||
struct switchdev_obj_vlan { /* PORT_VLAN */
|
||||
u16 flags;
|
||||
|
|
@ -67,6 +69,10 @@ struct switchdev_obj {
|
|||
u32 nlflags;
|
||||
u32 tb_id;
|
||||
} ipv4_fib;
|
||||
struct switchdev_obj_fdb { /* PORT_FDB */
|
||||
const unsigned char *addr;
|
||||
u16 vid;
|
||||
} fdb;
|
||||
} u;
|
||||
};
|
||||
|
||||
|
|
@ -80,6 +86,8 @@ struct switchdev_obj {
|
|||
* @switchdev_port_obj_add: Add an object to port (see switchdev_obj).
|
||||
*
|
||||
* @switchdev_port_obj_del: Delete an object from port (see switchdev_obj).
|
||||
*
|
||||
* @switchdev_port_obj_dump: Dump port objects (see switchdev_obj).
|
||||
*/
|
||||
struct switchdev_ops {
|
||||
int (*switchdev_port_attr_get)(struct net_device *dev,
|
||||
|
|
@ -90,6 +98,8 @@ struct switchdev_ops {
|
|||
struct switchdev_obj *obj);
|
||||
int (*switchdev_port_obj_del)(struct net_device *dev,
|
||||
struct switchdev_obj *obj);
|
||||
int (*switchdev_port_obj_dump)(struct net_device *dev,
|
||||
struct switchdev_obj *obj);
|
||||
};
|
||||
|
||||
enum switchdev_notifier_type {
|
||||
|
|
@ -121,6 +131,7 @@ int switchdev_port_attr_set(struct net_device *dev,
|
|||
struct switchdev_attr *attr);
|
||||
int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj);
|
||||
int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj);
|
||||
int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj);
|
||||
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,
|
||||
|
|
@ -137,6 +148,15 @@ int switchdev_fib_ipv4_add(u32 dst, int dst_len, struct fib_info *fi,
|
|||
int switchdev_fib_ipv4_del(u32 dst, int dst_len, struct fib_info *fi,
|
||||
u8 tos, u8 type, u32 tb_id);
|
||||
void switchdev_fib_ipv4_abort(struct fib_info *fi);
|
||||
int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev, const unsigned char *addr,
|
||||
u16 vid, u16 nlm_flags);
|
||||
int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev, const unsigned char *addr,
|
||||
u16 vid);
|
||||
int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct net_device *dev,
|
||||
struct net_device *filter_dev, int idx);
|
||||
|
||||
#else
|
||||
|
||||
|
|
@ -164,6 +184,12 @@ static inline int switchdev_port_obj_del(struct net_device *dev,
|
|||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
static inline int switchdev_port_obj_dump(struct net_device *dev,
|
||||
struct switchdev_obj *obj)
|
||||
{
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
static inline int register_switchdev_notifier(struct notifier_block *nb)
|
||||
{
|
||||
return 0;
|
||||
|
|
@ -221,6 +247,30 @@ static inline void switchdev_fib_ipv4_abort(struct fib_info *fi)
|
|||
{
|
||||
}
|
||||
|
||||
static inline int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev,
|
||||
const unsigned char *addr,
|
||||
u16 vid, u16 nlm_flags)
|
||||
{
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
static inline int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev,
|
||||
const unsigned char *addr, u16 vid)
|
||||
{
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
static inline int switchdev_port_fdb_dump(struct sk_buff *skb,
|
||||
struct netlink_callback *cb,
|
||||
struct net_device *dev,
|
||||
struct net_device *filter_dev,
|
||||
int idx)
|
||||
{
|
||||
return -EOPNOTSUPP;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
#endif /* _LINUX_SWITCHDEV_H_ */
|
||||
|
|
|
|||
|
|
@ -296,6 +296,36 @@ int switchdev_port_obj_del(struct net_device *dev, struct switchdev_obj *obj)
|
|||
}
|
||||
EXPORT_SYMBOL_GPL(switchdev_port_obj_del);
|
||||
|
||||
/**
|
||||
* switchdev_port_obj_dump - Dump port objects
|
||||
*
|
||||
* @dev: port device
|
||||
* @obj: object to dump
|
||||
*/
|
||||
int switchdev_port_obj_dump(struct net_device *dev, struct switchdev_obj *obj)
|
||||
{
|
||||
const struct switchdev_ops *ops = dev->switchdev_ops;
|
||||
struct net_device *lower_dev;
|
||||
struct list_head *iter;
|
||||
int err = -EOPNOTSUPP;
|
||||
|
||||
if (ops && ops->switchdev_port_obj_dump)
|
||||
return ops->switchdev_port_obj_dump(dev, obj);
|
||||
|
||||
/* Switch device port(s) may be stacked under
|
||||
* bond/team/vlan dev, so recurse down to dump objects on
|
||||
* first port at bottom of stack.
|
||||
*/
|
||||
|
||||
netdev_for_each_lower_dev(dev, lower_dev, iter) {
|
||||
err = switchdev_port_obj_dump(lower_dev, obj);
|
||||
break;
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(switchdev_port_obj_dump);
|
||||
|
||||
static DEFINE_MUTEX(switchdev_mutex);
|
||||
static RAW_NOTIFIER_HEAD(switchdev_notif_chain);
|
||||
|
||||
|
|
@ -566,6 +596,151 @@ int switchdev_port_bridge_dellink(struct net_device *dev,
|
|||
}
|
||||
EXPORT_SYMBOL_GPL(switchdev_port_bridge_dellink);
|
||||
|
||||
/**
|
||||
* switchdev_port_fdb_add - Add FDB (MAC/VLAN) entry to port
|
||||
*
|
||||
* @ndmsg: netlink hdr
|
||||
* @nlattr: netlink attributes
|
||||
* @dev: port device
|
||||
* @addr: MAC address to add
|
||||
* @vid: VLAN to add
|
||||
*
|
||||
* Add FDB entry to switch device.
|
||||
*/
|
||||
int switchdev_port_fdb_add(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev, const unsigned char *addr,
|
||||
u16 vid, u16 nlm_flags)
|
||||
{
|
||||
struct switchdev_obj obj = {
|
||||
.id = SWITCHDEV_OBJ_PORT_FDB,
|
||||
.u.fdb = {
|
||||
.addr = addr,
|
||||
.vid = vid,
|
||||
},
|
||||
};
|
||||
|
||||
return switchdev_port_obj_add(dev, &obj);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(switchdev_port_fdb_add);
|
||||
|
||||
/**
|
||||
* switchdev_port_fdb_del - Delete FDB (MAC/VLAN) entry from port
|
||||
*
|
||||
* @ndmsg: netlink hdr
|
||||
* @nlattr: netlink attributes
|
||||
* @dev: port device
|
||||
* @addr: MAC address to delete
|
||||
* @vid: VLAN to delete
|
||||
*
|
||||
* Delete FDB entry from switch device.
|
||||
*/
|
||||
int switchdev_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
|
||||
struct net_device *dev, const unsigned char *addr,
|
||||
u16 vid)
|
||||
{
|
||||
struct switchdev_obj obj = {
|
||||
.id = SWITCHDEV_OBJ_PORT_FDB,
|
||||
.u.fdb = {
|
||||
.addr = addr,
|
||||
.vid = vid,
|
||||
},
|
||||
};
|
||||
|
||||
return switchdev_port_obj_del(dev, &obj);
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(switchdev_port_fdb_del);
|
||||
|
||||
struct switchdev_fdb_dump {
|
||||
struct switchdev_obj obj;
|
||||
struct sk_buff *skb;
|
||||
struct netlink_callback *cb;
|
||||
struct net_device *filter_dev;
|
||||
int idx;
|
||||
};
|
||||
|
||||
static int switchdev_port_fdb_dump_cb(struct net_device *dev,
|
||||
struct switchdev_obj *obj)
|
||||
{
|
||||
struct switchdev_fdb_dump *dump =
|
||||
container_of(obj, struct switchdev_fdb_dump, obj);
|
||||
u32 portid = NETLINK_CB(dump->cb->skb).portid;
|
||||
u32 seq = dump->cb->nlh->nlmsg_seq;
|
||||
struct nlmsghdr *nlh;
|
||||
struct ndmsg *ndm;
|
||||
struct net_device *master = netdev_master_upper_dev_get(dev);
|
||||
|
||||
if (dump->idx < dump->cb->args[0])
|
||||
goto skip;
|
||||
|
||||
if (master && dump->filter_dev != master)
|
||||
goto skip;
|
||||
|
||||
nlh = nlmsg_put(dump->skb, portid, seq, RTM_NEWNEIGH,
|
||||
sizeof(*ndm), NLM_F_MULTI);
|
||||
if (!nlh)
|
||||
return -EMSGSIZE;
|
||||
|
||||
ndm = nlmsg_data(nlh);
|
||||
ndm->ndm_family = AF_BRIDGE;
|
||||
ndm->ndm_pad1 = 0;
|
||||
ndm->ndm_pad2 = 0;
|
||||
ndm->ndm_flags = NTF_SELF;
|
||||
ndm->ndm_type = 0;
|
||||
ndm->ndm_ifindex = dev->ifindex;
|
||||
ndm->ndm_state = NUD_REACHABLE;
|
||||
|
||||
if (nla_put(dump->skb, NDA_LLADDR, ETH_ALEN, obj->u.fdb.addr))
|
||||
goto nla_put_failure;
|
||||
|
||||
if (obj->u.fdb.vid && nla_put_u16(dump->skb, NDA_VLAN, obj->u.fdb.vid))
|
||||
goto nla_put_failure;
|
||||
|
||||
nlmsg_end(dump->skb, nlh);
|
||||
|
||||
skip:
|
||||
dump->idx++;
|
||||
return 0;
|
||||
|
||||
nla_put_failure:
|
||||
nlmsg_cancel(dump->skb, nlh);
|
||||
return -EMSGSIZE;
|
||||
}
|
||||
|
||||
/**
|
||||
* switchdev_port_fdb_dump - Dump port FDB (MAC/VLAN) entries
|
||||
*
|
||||
* @skb: netlink skb
|
||||
* @cb: netlink callback
|
||||
* @dev: port device
|
||||
* @filter_dev: filter device
|
||||
* @idx:
|
||||
*
|
||||
* Delete FDB entry from switch device.
|
||||
*/
|
||||
int switchdev_port_fdb_dump(struct sk_buff *skb, struct netlink_callback *cb,
|
||||
struct net_device *dev,
|
||||
struct net_device *filter_dev, int idx)
|
||||
{
|
||||
struct switchdev_fdb_dump dump = {
|
||||
.obj = {
|
||||
.id = SWITCHDEV_OBJ_PORT_FDB,
|
||||
.cb = switchdev_port_fdb_dump_cb,
|
||||
},
|
||||
.skb = skb,
|
||||
.cb = cb,
|
||||
.filter_dev = filter_dev,
|
||||
.idx = idx,
|
||||
};
|
||||
int err;
|
||||
|
||||
err = switchdev_port_obj_dump(dev, &dump.obj);
|
||||
if (err)
|
||||
return err;
|
||||
|
||||
return dump.idx;
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(switchdev_port_fdb_dump);
|
||||
|
||||
static struct net_device *switchdev_get_lowest_dev(struct net_device *dev)
|
||||
{
|
||||
const struct switchdev_ops *ops = dev->switchdev_ops;
|
||||
|
|
|
|||
Loading…
Reference in a new issue