mac80211: Modify mesh_set_ht_prot_mode() to have less identation
Determining types of peers is modified to have less indentation. This change is suggested by Johannes. This patch also corrects the reference in comment to IEEE 802.11-2012 version. Signed-off-by: Ashok Nagarajan <ashok@cozybit.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -105,15 +105,15 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
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return sta;
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}
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/** mesh_set_ht_prot_mode - set correct HT protection mode
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/*
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* mesh_set_ht_prot_mode - set correct HT protection mode
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*
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* Section 9.23.3.5 of IEEE 80211s standard describes the protection rules for
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* HT mesh STA in a MBSS. Three HT protection modes are supported for now,
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* non-HT mixed mode, 20MHz-protection and no-protection mode. non-HT mixed
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* mode is selected if any non-HT peers are present in our MBSS.
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* 20MHz-protection mode is selected if all peers in our 20/40MHz MBSS support
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* HT and atleast one HT20 peer is present. Otherwise no-protection mode is
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* selected.
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* Section 9.23.3.5 of IEEE 80211-2012 describes the protection rules for HT
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* mesh STA in a MBSS. Three HT protection modes are supported for now, non-HT
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* mixed mode, 20MHz-protection and no-protection mode. non-HT mixed mode is
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* selected if any non-HT peers are present in our MBSS. 20MHz-protection mode
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* is selected if all peers in our 20/40MHz MBSS support HT and atleast one
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* HT20 peer is present. Otherwise no-protection mode is selected.
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*/
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static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
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{
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@ -128,21 +128,22 @@ static u32 mesh_set_ht_prot_mode(struct ieee80211_sub_if_data *sdata)
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rcu_read_lock();
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list_for_each_entry_rcu(sta, &local->sta_list, list) {
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if (sdata == sta->sdata &&
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sta->plink_state == NL80211_PLINK_ESTAB) {
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switch (sta->ch_type) {
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case NL80211_CHAN_NO_HT:
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mpl_dbg("mesh_plink %pM: nonHT sta (%pM) is present",
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sdata->vif.addr, sta->sta.addr);
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non_ht_sta = true;
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goto out;
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case NL80211_CHAN_HT20:
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mpl_dbg("mesh_plink %pM: HT20 sta (%pM) is present",
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sdata->vif.addr, sta->sta.addr);
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ht20_sta = true;
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default:
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break;
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}
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if (sdata != sta->sdata ||
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sta->plink_state != NL80211_PLINK_ESTAB)
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continue;
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switch (sta->ch_type) {
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case NL80211_CHAN_NO_HT:
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mpl_dbg("mesh_plink %pM: nonHT sta (%pM) is present",
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sdata->vif.addr, sta->sta.addr);
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non_ht_sta = true;
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goto out;
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case NL80211_CHAN_HT20:
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mpl_dbg("mesh_plink %pM: HT20 sta (%pM) is present",
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sdata->vif.addr, sta->sta.addr);
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ht20_sta = true;
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default:
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break;
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}
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}
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out:
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