mirror of
https://github.com/Fishwaldo/Star64_linux.git
synced 2025-06-28 01:21:58 +00:00
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
|
|
@ -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…
Add table
Add a link
Reference in a new issue