nl80211/cfg80211: support for mesh, sta dumping
Added support for mesh id and mesh path operation as well as
station structure dumping.
Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5b347479..64a7460 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -81,8 +81,12 @@
[NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
[NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
.len = NL80211_MAX_SUPP_RATES },
+ [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 },
[NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
[NL80211_ATTR_MNTR_FLAGS] = { .type = NLA_NESTED },
+ [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY,
+ .len = IEEE80211_MAX_MESH_ID_LEN },
+ [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 },
};
/* message building helper */
@@ -369,11 +373,14 @@
static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *drv;
+ struct vif_params params;
int err, ifindex;
enum nl80211_iftype type;
struct net_device *dev;
u32 flags;
+ memset(¶ms, 0, sizeof(params));
+
if (info->attrs[NL80211_ATTR_IFTYPE]) {
type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
if (type > NL80211_IFTYPE_MAX)
@@ -392,12 +399,18 @@
goto unlock;
}
+ if (type == NL80211_IFTYPE_MESH_POINT &&
+ info->attrs[NL80211_ATTR_MESH_ID]) {
+ params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
+ params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+ }
+
rtnl_lock();
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
- type, err ? NULL : &flags);
+ type, err ? NULL : &flags, ¶ms);
rtnl_unlock();
unlock:
@@ -408,10 +421,13 @@
static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *drv;
+ struct vif_params params;
int err;
enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
u32 flags;
+ memset(¶ms, 0, sizeof(params));
+
if (!info->attrs[NL80211_ATTR_IFNAME])
return -EINVAL;
@@ -430,15 +446,22 @@
goto unlock;
}
+ if (type == NL80211_IFTYPE_MESH_POINT &&
+ info->attrs[NL80211_ATTR_MESH_ID]) {
+ params.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]);
+ params.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]);
+ }
+
rtnl_lock();
err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
&flags);
err = drv->ops->add_virtual_intf(&drv->wiphy,
nla_data(info->attrs[NL80211_ATTR_IFNAME]),
- type, err ? NULL : &flags);
+ type, err ? NULL : &flags, ¶ms);
rtnl_unlock();
+
unlock:
cfg80211_put_dev(drv);
return err;
@@ -866,10 +889,10 @@
static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
int flags, struct net_device *dev,
- u8 *mac_addr, struct station_stats *stats)
+ u8 *mac_addr, struct station_info *sinfo)
{
void *hdr;
- struct nlattr *statsattr;
+ struct nlattr *sinfoattr;
hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
if (!hdr)
@@ -878,20 +901,29 @@
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
- statsattr = nla_nest_start(msg, NL80211_ATTR_STA_STATS);
- if (!statsattr)
+ sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
+ if (!sinfoattr)
goto nla_put_failure;
- if (stats->filled & STATION_STAT_INACTIVE_TIME)
- NLA_PUT_U32(msg, NL80211_STA_STAT_INACTIVE_TIME,
- stats->inactive_time);
- if (stats->filled & STATION_STAT_RX_BYTES)
- NLA_PUT_U32(msg, NL80211_STA_STAT_RX_BYTES,
- stats->rx_bytes);
- if (stats->filled & STATION_STAT_TX_BYTES)
- NLA_PUT_U32(msg, NL80211_STA_STAT_TX_BYTES,
- stats->tx_bytes);
+ if (sinfo->filled & STATION_INFO_INACTIVE_TIME)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_INACTIVE_TIME,
+ sinfo->inactive_time);
+ if (sinfo->filled & STATION_INFO_RX_BYTES)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_RX_BYTES,
+ sinfo->rx_bytes);
+ if (sinfo->filled & STATION_INFO_TX_BYTES)
+ NLA_PUT_U32(msg, NL80211_STA_INFO_TX_BYTES,
+ sinfo->tx_bytes);
+ if (sinfo->filled & STATION_INFO_LLID)
+ NLA_PUT_U16(msg, NL80211_STA_INFO_LLID,
+ sinfo->llid);
+ if (sinfo->filled & STATION_INFO_PLID)
+ NLA_PUT_U16(msg, NL80211_STA_INFO_PLID,
+ sinfo->plid);
+ if (sinfo->filled & STATION_INFO_PLINK_STATE)
+ NLA_PUT_U8(msg, NL80211_STA_INFO_PLINK_STATE,
+ sinfo->plink_state);
- nla_nest_end(msg, statsattr);
+ nla_nest_end(msg, sinfoattr);
return genlmsg_end(msg, hdr);
@@ -899,17 +931,80 @@
return genlmsg_cancel(msg, hdr);
}
+static int nl80211_dump_station(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ int wp_idx = 0;
+ int if_idx = 0;
+ int sta_idx = cb->args[2];
+ int wp_start = cb->args[0];
+ int if_start = cb->args[1];
+ struct station_info sinfo;
+ struct cfg80211_registered_device *dev;
+ struct wireless_dev *wdev;
+ u8 mac_addr[ETH_ALEN];
+ int err;
+ int exit = 0;
+
+ /* TODO: filter by device */
+ mutex_lock(&cfg80211_drv_mutex);
+ list_for_each_entry(dev, &cfg80211_drv_list, list) {
+ if (exit)
+ break;
+ if (++wp_idx < wp_start)
+ continue;
+ if_idx = 0;
+
+ mutex_lock(&dev->devlist_mtx);
+ list_for_each_entry(wdev, &dev->netdev_list, list) {
+ if (exit)
+ break;
+ if (++if_idx < if_start)
+ continue;
+ if (!dev->ops->dump_station)
+ continue;
+
+ for (;; ++sta_idx) {
+ rtnl_lock();
+ err = dev->ops->dump_station(&dev->wiphy,
+ wdev->netdev, sta_idx, mac_addr,
+ &sinfo);
+ rtnl_unlock();
+ if (err) {
+ sta_idx = 0;
+ break;
+ }
+ if (nl80211_send_station(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ wdev->netdev, mac_addr,
+ &sinfo) < 0) {
+ exit = 1;
+ break;
+ }
+ }
+ }
+ mutex_unlock(&dev->devlist_mtx);
+ }
+ mutex_unlock(&cfg80211_drv_mutex);
+
+ cb->args[0] = wp_idx;
+ cb->args[1] = if_idx;
+ cb->args[2] = sta_idx;
+
+ return skb->len;
+}
static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *drv;
int err;
struct net_device *dev;
- struct station_stats stats;
+ struct station_info sinfo;
struct sk_buff *msg;
u8 *mac_addr = NULL;
- memset(&stats, 0, sizeof(stats));
+ memset(&sinfo, 0, sizeof(sinfo));
if (!info->attrs[NL80211_ATTR_MAC])
return -EINVAL;
@@ -926,15 +1021,18 @@
}
rtnl_lock();
- err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &stats);
+ err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &sinfo);
rtnl_unlock();
+ if (err)
+ goto out;
+
msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
if (!msg)
goto out;
if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
- dev, mac_addr, &stats) < 0)
+ dev, mac_addr, &sinfo) < 0)
goto out_free;
err = genlmsg_unicast(msg, info->snd_pid);
@@ -1005,6 +1103,10 @@
¶ms.station_flags))
return -EINVAL;
+ if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION])
+ params.plink_action =
+ nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]);
+
err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
if (err)
return err;
@@ -1119,6 +1221,273 @@
return err;
}
+static int nl80211_send_mpath(struct sk_buff *msg, u32 pid, u32 seq,
+ int flags, struct net_device *dev,
+ u8 *dst, u8 *next_hop,
+ struct mpath_info *pinfo)
+{
+ void *hdr;
+ struct nlattr *pinfoattr;
+
+ hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
+ if (!hdr)
+ return -1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+ NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, dst);
+ NLA_PUT(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop);
+
+ pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO);
+ if (!pinfoattr)
+ goto nla_put_failure;
+ if (pinfo->filled & MPATH_INFO_FRAME_QLEN)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_FRAME_QLEN,
+ pinfo->frame_qlen);
+ if (pinfo->filled & MPATH_INFO_DSN)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_DSN,
+ pinfo->dsn);
+ if (pinfo->filled & MPATH_INFO_METRIC)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_METRIC,
+ pinfo->metric);
+ if (pinfo->filled & MPATH_INFO_EXPTIME)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_EXPTIME,
+ pinfo->exptime);
+ if (pinfo->filled & MPATH_INFO_FLAGS)
+ NLA_PUT_U8(msg, NL80211_MPATH_INFO_FLAGS,
+ pinfo->flags);
+ if (pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT)
+ NLA_PUT_U32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT,
+ pinfo->discovery_timeout);
+ if (pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES)
+ NLA_PUT_U8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES,
+ pinfo->discovery_retries);
+
+ nla_nest_end(msg, pinfoattr);
+
+ return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+ return genlmsg_cancel(msg, hdr);
+}
+
+static int nl80211_dump_mpath(struct sk_buff *skb,
+ struct netlink_callback *cb)
+{
+ int wp_idx = 0;
+ int if_idx = 0;
+ int sta_idx = cb->args[2];
+ int wp_start = cb->args[0];
+ int if_start = cb->args[1];
+ struct mpath_info pinfo;
+ struct cfg80211_registered_device *dev;
+ struct wireless_dev *wdev;
+ u8 dst[ETH_ALEN];
+ u8 next_hop[ETH_ALEN];
+ int err;
+ int exit = 0;
+
+ /* TODO: filter by device */
+ mutex_lock(&cfg80211_drv_mutex);
+ list_for_each_entry(dev, &cfg80211_drv_list, list) {
+ if (exit)
+ break;
+ if (++wp_idx < wp_start)
+ continue;
+ if_idx = 0;
+
+ mutex_lock(&dev->devlist_mtx);
+ list_for_each_entry(wdev, &dev->netdev_list, list) {
+ if (exit)
+ break;
+ if (++if_idx < if_start)
+ continue;
+ if (!dev->ops->dump_mpath)
+ continue;
+
+ for (;; ++sta_idx) {
+ rtnl_lock();
+ err = dev->ops->dump_mpath(&dev->wiphy,
+ wdev->netdev, sta_idx, dst,
+ next_hop, &pinfo);
+ rtnl_unlock();
+ if (err) {
+ sta_idx = 0;
+ break;
+ }
+ if (nl80211_send_mpath(skb,
+ NETLINK_CB(cb->skb).pid,
+ cb->nlh->nlmsg_seq, NLM_F_MULTI,
+ wdev->netdev, dst, next_hop,
+ &pinfo) < 0) {
+ exit = 1;
+ break;
+ }
+ }
+ }
+ mutex_unlock(&dev->devlist_mtx);
+ }
+ mutex_unlock(&cfg80211_drv_mutex);
+
+ cb->args[0] = wp_idx;
+ cb->args[1] = if_idx;
+ cb->args[2] = sta_idx;
+
+ return skb->len;
+}
+
+static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ int err;
+ struct net_device *dev;
+ struct mpath_info pinfo;
+ struct sk_buff *msg;
+ u8 *dst = NULL;
+ u8 next_hop[ETH_ALEN];
+
+ memset(&pinfo, 0, sizeof(pinfo));
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ if (err)
+ return err;
+
+ if (!drv->ops->get_mpath) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ rtnl_lock();
+ err = drv->ops->get_mpath(&drv->wiphy, dev, dst, next_hop, &pinfo);
+ rtnl_unlock();
+
+ if (err)
+ goto out;
+
+ msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ if (!msg)
+ goto out;
+
+ if (nl80211_send_mpath(msg, info->snd_pid, info->snd_seq, 0,
+ dev, dst, next_hop, &pinfo) < 0)
+ goto out_free;
+
+ err = genlmsg_unicast(msg, info->snd_pid);
+ goto out;
+
+ out_free:
+ nlmsg_free(msg);
+
+ out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+
+static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ int err;
+ struct net_device *dev;
+ u8 *dst = NULL;
+ u8 *next_hop = NULL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
+ return -EINVAL;
+
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
+
+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ if (err)
+ return err;
+
+ if (!drv->ops->change_mpath) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ rtnl_lock();
+ err = drv->ops->change_mpath(&drv->wiphy, dev, dst, next_hop);
+ rtnl_unlock();
+
+ out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ int err;
+ struct net_device *dev;
+ u8 *dst = NULL;
+ u8 *next_hop = NULL;
+
+ if (!info->attrs[NL80211_ATTR_MAC])
+ return -EINVAL;
+
+ if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP])
+ return -EINVAL;
+
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+ next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]);
+
+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ if (err)
+ return err;
+
+ if (!drv->ops->add_mpath) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ rtnl_lock();
+ err = drv->ops->add_mpath(&drv->wiphy, dev, dst, next_hop);
+ rtnl_unlock();
+
+ out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+
+static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info)
+{
+ struct cfg80211_registered_device *drv;
+ int err;
+ struct net_device *dev;
+ u8 *dst = NULL;
+
+ if (info->attrs[NL80211_ATTR_MAC])
+ dst = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+ err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+ if (err)
+ return err;
+
+ if (!drv->ops->del_mpath) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ rtnl_lock();
+ err = drv->ops->del_mpath(&drv->wiphy, dev, dst);
+ rtnl_unlock();
+
+ out:
+ cfg80211_put_dev(drv);
+ dev_put(dev);
+ return err;
+}
+
static struct genl_ops nl80211_ops[] = {
{
.cmd = NL80211_CMD_GET_WIPHY,
@@ -1203,7 +1572,7 @@
{
.cmd = NL80211_CMD_GET_STATION,
.doit = nl80211_get_station,
- /* TODO: implement dumpit */
+ .dumpit = nl80211_dump_station,
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
@@ -1225,6 +1594,31 @@
.policy = nl80211_policy,
.flags = GENL_ADMIN_PERM,
},
+ {
+ .cmd = NL80211_CMD_GET_MPATH,
+ .doit = nl80211_get_mpath,
+ .dumpit = nl80211_dump_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_SET_MPATH,
+ .doit = nl80211_set_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_NEW_MPATH,
+ .doit = nl80211_new_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
+ {
+ .cmd = NL80211_CMD_DEL_MPATH,
+ .doit = nl80211_del_mpath,
+ .policy = nl80211_policy,
+ .flags = GENL_ADMIN_PERM,
+ },
};
/* multicast groups */
