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rocker: implement ndo_fdb_dump 

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2014-11-28 14:34:29 +01:00 committed by David S. Miller
parent 6c70794500
commit ce76ca689d
1 changed files with 73 additions and 0 deletions
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73
drivers/net/ethernet/rocker/rocker.c
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@ -3587,6 +3587,78 @@ static int rocker_port_fdb_del(struct ndmsg *ndm, struct nlattr *tb[],
return rocker_port_fdb(rocker_port, 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;
return nlmsg_end(skb, nlh);
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.lport != rocker_port->lport)
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_switch_parent_id_get(struct net_device *dev,
struct netdev_phys_item_id *psid)
{
@ -3614,6 +3686,7 @@ static const struct net_device_ops rocker_port_netdev_ops = {
.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_switch_parent_id_get = rocker_port_switch_parent_id_get,
.ndo_switch_port_stp_update = rocker_port_switch_port_stp_update,
};