nl80211/cfg80211: add STA WME parameters
Add new NL80211_ATTR_STA_WME nested attribute that contains
wme params needed by the low-level driver (uapsd_queues and
max_sp).
Add these params to the station_parameters struct as well.
Signed-off-by: Eliad Peller <eliad@wizery.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 3769303..0343504 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -1042,6 +1042,9 @@
* (Re)Association Response frames when the driver (or firmware) replies to
* (Re)Association Request frames.
*
+ * @NL80211_ATTR_STA_WME: Nested attribute containing the wme configuration
+ * of the station, see &enum nl80211_sta_wme_attr.
+ *
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@@ -1252,6 +1255,8 @@
NL80211_ATTR_IE_PROBE_RESP,
NL80211_ATTR_IE_ASSOC_RESP,
+ NL80211_ATTR_STA_WME,
+
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@@ -2482,4 +2487,22 @@
NL80211_HIDDEN_SSID_ZERO_CONTENTS
};
+/**
+ * enum nl80211_sta_wme_attr - station WME attributes
+ * @__NL80211_STA_WME_INVALID: invalid number for nested attribute
+ * @NL80211_STA_WME_QUEUES: bitmap of uapsd queues.
+ * @NL80211_STA_WME_MAX_SP: max service period.
+ * @__NL80211_STA_WME_AFTER_LAST: internal
+ * @NL80211_STA_WME_MAX: highest station WME attribute
+ */
+enum nl80211_sta_wme_attr {
+ __NL80211_STA_WME_INVALID,
+ NL80211_STA_WME_UAPSD_QUEUES,
+ NL80211_STA_WME_MAX_SP,
+
+ /* keep last */
+ __NL80211_STA_WME_AFTER_LAST,
+ NL80211_STA_WME_MAX = __NL80211_STA_WME_AFTER_LAST - 1
+};
+
#endif /* __LINUX_NL80211_H */
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 77aa777..88112ca 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -452,6 +452,8 @@
u8 plink_action;
u8 plink_state;
struct ieee80211_ht_cap *ht_capa;
+ u8 uapsd_queues;
+ u8 max_sp;
};
/**
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 57ecfa4..bddb559 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -2545,6 +2545,12 @@
return err;
}
+static struct nla_policy
+nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = {
+ [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 },
+ [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },
+};
+
static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
{
struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -2590,6 +2596,27 @@
if (parse_station_flags(info, ¶ms))
return -EINVAL;
+ /* parse WME attributes if sta is WME capable */
+ if ((params.sta_flags_set & NL80211_STA_FLAG_WME) &&
+ info->attrs[NL80211_ATTR_STA_WME]) {
+ struct nlattr *tb[NL80211_STA_WME_MAX + 1];
+ struct nlattr *nla;
+
+ nla = info->attrs[NL80211_ATTR_STA_WME];
+ err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla,
+ nl80211_sta_wme_policy);
+ if (err)
+ return err;
+
+ if (tb[NL80211_STA_WME_UAPSD_QUEUES])
+ params.uapsd_queues =
+ nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);
+
+ if (tb[NL80211_STA_WME_MAX_SP])
+ params.max_sp =
+ nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);
+ }
+
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT &&