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Commit ff276691 authored by Johannes Berg's avatar Johannes Berg
Browse files

cfg80211: unify station WME parsing 



Instead of copying the code, create a new function
to parse the station's WME information.

Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 984c311b

net/wireless/nl80211.c

+19 −34
Original line number Diff line number Diff line
@@ -3359,21 +3359,13 @@ nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] __read_mostly = { 
	[NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 },

};



static int nl80211_set_station_tdls(struct genl_info *info,

static int nl80211_parse_sta_wme(struct genl_info *info,

				 struct station_parameters *params)

{

	struct nlattr *tb[NL80211_STA_WME_MAX + 1];

	struct nlattr *nla;

	int err;



	/* Dummy STA entry gets updated once the peer capabilities are known */

	if (info->attrs[NL80211_ATTR_HT_CAPABILITY])

		params->ht_capa =

			nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);

	if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])

		params->vht_capa =

			nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);



	/* parse WME attributes if present */

	if (!info->attrs[NL80211_ATTR_STA_WME])

		return 0;
@@ -3401,6 +3393,20 @@ static int nl80211_set_station_tdls(struct genl_info *info, 
	return 0;

}



static int nl80211_set_station_tdls(struct genl_info *info,

				    struct station_parameters *params)

{

	/* Dummy STA entry gets updated once the peer capabilities are known */

	if (info->attrs[NL80211_ATTR_HT_CAPABILITY])

		params->ht_capa =

			nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]);

	if (info->attrs[NL80211_ATTR_VHT_CAPABILITY])

		params->vht_capa =

			nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]);



	return nl80211_parse_sta_wme(info, params);

}



static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)

{

	struct cfg80211_registered_device *rdev = info->user_ptr[0];
@@ -3674,31 +3680,10 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) 
			return -EINVAL;

	}



	if (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);

	err = nl80211_parse_sta_wme(info, &params);

	if (err)

		return err;



		if (tb[NL80211_STA_WME_UAPSD_QUEUES])

			params.uapsd_queues =

			     nla_get_u8(tb[NL80211_STA_WME_UAPSD_QUEUES]);

		if (params.uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK)

			return -EINVAL;



		if (tb[NL80211_STA_WME_MAX_SP])

			params.max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]);



		if (params.max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK)

			return -EINVAL;



		params.sta_modify_mask |= STATION_PARAM_APPLY_UAPSD;

	}



	if (parse_station_flags(info, dev->ieee80211_ptr->iftype, &params))

		return -EINVAL;