From ff276691e9f13bc1619cc8f091fb887c2b4f98a1 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 15 Feb 2013 00:09:01 +0100 Subject: [PATCH] cfg80211: unify station WME parsing Instead of copying the code, create a new function to parse the station's WME information. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 53 ++++++++++++++++++-------------------------------- 1 file changed, 19 insertions(+), 34 deletions(-) diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 3b82f95..9e7c104 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -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, - struct station_parameters *params) +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]; @@ -3674,30 +3680,9 @@ 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); - 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; - } + err = nl80211_parse_sta_wme(info, ¶ms); + if (err) + return err; if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) return -EINVAL; -- 2.7.4