return 0;
}
+static struct cfg80211_registered_device *
+__cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs)
+{
+ struct cfg80211_registered_device *rdev = NULL, *tmp;
+ struct net_device *netdev;
+
+ assert_cfg80211_lock();
+
+ if (!attrs[NL80211_ATTR_WIPHY] &&
+ !attrs[NL80211_ATTR_IFINDEX])
+ return ERR_PTR(-EINVAL);
+
+ if (attrs[NL80211_ATTR_WIPHY])
+ rdev = cfg80211_rdev_by_wiphy_idx(
+ nla_get_u32(attrs[NL80211_ATTR_WIPHY]));
+
+ if (attrs[NL80211_ATTR_IFINDEX]) {
+ int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
+ netdev = dev_get_by_index(netns, ifindex);
+ if (netdev) {
+ if (netdev->ieee80211_ptr)
+ tmp = wiphy_to_dev(
+ netdev->ieee80211_ptr->wiphy);
+ else
+ tmp = NULL;
+
+ dev_put(netdev);
+
+ /* not wireless device -- return error */
+ if (!tmp)
+ return ERR_PTR(-EINVAL);
+
+ /* mismatch -- return error */
+ if (rdev && tmp != rdev)
+ return ERR_PTR(-EINVAL);
+
+ rdev = tmp;
+ }
+ }
+
+ if (!rdev)
+ return ERR_PTR(-ENODEV);
+
+ if (netns != wiphy_net(&rdev->wiphy))
+ return ERR_PTR(-ENODEV);
+
+ return rdev;
+}
+
+/*
+ * This function returns a pointer to the driver
+ * that the genl_info item that is passed refers to.
+ * If successful, it returns non-NULL and also locks
+ * the driver's mutex!
+ *
+ * This means that you need to call cfg80211_unlock_rdev()
+ * before being allowed to acquire &cfg80211_mutex!
+ *
+ * This is necessary because we need to lock the global
+ * mutex to get an item off the list safely, and then
+ * we lock the rdev mutex so it doesn't go away under us.
+ *
+ * We don't want to keep cfg80211_mutex locked
+ * for all the time in order to allow requests on
+ * other interfaces to go through at the same time.
+ *
+ * The result of this can be a PTR_ERR and hence must
+ * be checked with IS_ERR() for errors.
+ */
+static struct cfg80211_registered_device *
+cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info)
+{
+ struct cfg80211_registered_device *rdev;
+
+ mutex_lock(&cfg80211_mutex);
+ rdev = __cfg80211_rdev_from_attrs(netns, info->attrs);
+
+ /* if it is not an error we grab the lock on
+ * it to assure it won't be going away while
+ * we operate on it */
+ if (!IS_ERR(rdev))
+ mutex_lock(&rdev->mtx);
+
+ mutex_unlock(&cfg80211_mutex);
+
+ return rdev;
+}
+
/* policy for the attributes */
static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = {
[NL80211_ATTR_WIPHY] = { .type = NLA_U32 },
nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = {
[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY,
.len = IEEE80211_MAX_SSID_LEN },
+ [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 },
};
/* ifidx get helper */
}
if (!netdev) {
- rdev = __cfg80211_rdev_from_info(info);
+ rdev = __cfg80211_rdev_from_attrs(genl_info_net(info),
+ info->attrs);
if (IS_ERR(rdev)) {
mutex_unlock(&cfg80211_mutex);
return PTR_ERR(rdev);
return 0;
}
+static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev,
+ struct cfg80211_ap_settings *params)
+{
+ struct wireless_dev *wdev;
+ bool ret = false;
+
+ mutex_lock(&rdev->devlist_mtx);
+
+ list_for_each_entry(wdev, &rdev->netdev_list, list) {
+ if (wdev->iftype != NL80211_IFTYPE_AP &&
+ wdev->iftype != NL80211_IFTYPE_P2P_GO)
+ continue;
+
+ if (!wdev->preset_chan)
+ continue;
+
+ params->channel = wdev->preset_chan;
+ params->channel_type = wdev->preset_chantype;
+ ret = true;
+ break;
+ }
+
+ mutex_unlock(&rdev->devlist_mtx);
+
+ return ret;
+}
+
static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
} else if (wdev->preset_chan) {
params.channel = wdev->preset_chan;
params.channel_type = wdev->preset_chantype;
- } else
+ } else if (!nl80211_get_ap_channel(rdev, ¶ms))
return -EINVAL;
if (!cfg80211_can_beacon_sec_chan(&rdev->wiphy, params.channel,
return -EINVAL;
err = rdev->ops->start_ap(&rdev->wiphy, dev, ¶ms);
- if (!err)
+ if (!err) {
+ wdev->preset_chan = params.channel;
+ wdev->preset_chantype = params.channel_type;
wdev->beacon_interval = params.beacon_interval;
+ }
return err;
}
nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT,
cur_params.dot11MeshHWMPactivePathToRootTimeout) ||
nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
- cur_params.dot11MeshHWMProotInterval))
+ cur_params.dot11MeshHWMProotInterval) ||
+ nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
+ cur_params.dot11MeshHWMPconfirmationInterval))
goto nla_put_failure;
nla_nest_end(msg, pinfoattr);
genlmsg_end(msg, hdr);
[NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 },
[NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 },
[NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 },
+ [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 },
};
static const struct nla_policy
FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval,
mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL,
nla_get_u16);
+ FILL_IN_MESH_PARAM_IF_SET(tb, cfg,
+ dot11MeshHWMPconfirmationInterval, mask,
+ NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL,
+ nla_get_u16);
if (mask_out)
*mask_out = mask;
nla_for_each_nested(attr,
info->attrs[NL80211_ATTR_SCHED_SCAN_MATCH],
tmp) {
- struct nlattr *ssid;
+ struct nlattr *ssid, *rssi;
nla_parse(tb, NL80211_SCHED_SCAN_MATCH_ATTR_MAX,
nla_data(attr), nla_len(attr),
request->match_sets[i].ssid.ssid_len =
nla_len(ssid);
}
+ rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI];
+ if (rssi)
+ request->rssi_thold = nla_get_u32(rssi);
+ else
+ request->rssi_thold =
+ NL80211_SCAN_RSSI_THOLD_OFF;
i++;
}
}
nl80211_policy);
if (err)
return err;
- if (nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]) {
- phy_idx = nla_get_u32(
- nl80211_fam.attrbuf[NL80211_ATTR_WIPHY]);
- } else {
- struct net_device *netdev;
- err = get_rdev_dev_by_ifindex(sock_net(skb->sk),
- nl80211_fam.attrbuf,
- &rdev, &netdev);
- if (err)
- return err;
- dev_put(netdev);
- phy_idx = rdev->wiphy_idx;
- cfg80211_unlock_rdev(rdev);
+ mutex_lock(&cfg80211_mutex);
+ rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk),
+ nl80211_fam.attrbuf);
+ if (IS_ERR(rdev)) {
+ mutex_unlock(&cfg80211_mutex);
+ return PTR_ERR(rdev);
}
+ phy_idx = rdev->wiphy_idx;
+ rdev = NULL;
+ mutex_unlock(&cfg80211_mutex);
+
if (nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA])
cb->args[1] =
(long)nl80211_fam.attrbuf[NL80211_ATTR_TESTDATA];
rtnl_lock();
if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) {
- rdev = cfg80211_get_dev_from_info(info);
+ rdev = cfg80211_get_dev_from_info(genl_info_net(info), info);
if (IS_ERR(rdev)) {
if (rtnl)
rtnl_unlock();
{
struct sk_buff *msg;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
{
struct sk_buff *msg;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
if (!msg)
return;
{
struct sk_buff *msg;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct nlattr *pinfoattr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct nlattr *rekey_attr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct nlattr *attr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct sk_buff *msg;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
struct nlattr *pinfoattr;
void *hdr;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
void *hdr;
int err;
- msg = nlmsg_new(NLMSG_GOODSIZE, gfp);
+ msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
if (!msg)
return;
projects / karo-tx-linux.git / blobdiff