mac80211: support mesh rate updates

An existing mesh station entry may change its rate
capabilities, so call rate_control_rate_update() to notify
the rate control.

Signed-off-by: Thomas Pedersen <thomas@cozybit.com>
[fix compilation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index e75f5b9..434b3c4 100644 (file)
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -569,7 +569,8 @@ static inline void drv_sta_rc_update(struct ieee80211_local *local,
        check_sdata_in_driver(sdata);
 
        WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED &&
-               sdata->vif.type != NL80211_IFTYPE_ADHOC);
+               (sdata->vif.type != NL80211_IFTYPE_ADHOC &&
+                sdata->vif.type != NL80211_IFTYPE_MESH_POINT));
 
        trace_drv_sta_rc_update(local, sdata, sta, changed);
        if (local->ops->sta_rc_update)

diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index ef92d27..4e1d406 100644 (file)
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -292,7 +292,7 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
        struct ieee80211_local *local = sdata->local;
        enum ieee80211_band band = ieee80211_get_sdata_band(sdata);
        struct ieee80211_supported_band *sband;
-       u32 rates, basic_rates = 0;
+       u32 rates, basic_rates = 0, changed = 0;
 
        sband = local->hw.wiphy->bands[band];
        rates = ieee80211_sta_get_rates(local, elems, band, &basic_rates);
@@ -304,6 +304,8 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
        if (sta->plink_state == NL80211_PLINK_ESTAB)
                goto out;
 
+       if (sta->sta.supp_rates[band] != rates)
+               changed |= IEEE80211_RC_SUPP_RATES_CHANGED;
        sta->sta.supp_rates[band] = rates;
        if (elems->ht_cap_elem &&
            sdata->vif.bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT)
@@ -322,11 +324,15 @@ static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata,
                                            ~IEEE80211_HT_CAP_SUP_WIDTH_20_40;
                ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan,
                                             elems->ht_operation, &chandef);
+               if (sta->ch_width != chandef.width)
+                       changed |= IEEE80211_RC_BW_CHANGED;
                sta->ch_width = chandef.width;
        }
 
        if (insert)
                rate_control_rate_init(sta);
+       else
+               rate_control_rate_update(local, sband, sta, changed);
 out:
        spin_unlock_bh(&sta->lock);
 }