commit c75786c9ef9e726dc139325a775e90a684b00ed7
author Eliad Peller <eliad@wizery.com> Tue Aug 23 14:37:46 2011 +0300
committer John W. Linville <linville@tuxdriver.com> Fri Aug 26 10:47:56 2011 -0400
tree 90ea19402f4f63217f79410a2909c0c943851927
parent a21fa87e3a3a8390f17f53967baa574f4e1e1e76

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>

net/wireless/nl80211.c

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, &params))
 		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 &&