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mac80211: define rate_control_apply_mask_ratetbl()

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Define rate_control_apply_mask_ratetbl() in order to apply ratemask in
rate_control_set_rates() for station rate table

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Lorenzo Bianconi 2015-08-06 23:47:32 +02:00 • committed by Johannes Berg
parent 90c66bd223
commit e910867bd2
1 changed files with 27 additions and 0 deletions
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27
net/mac80211/rate.c
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@ -651,6 +651,30 @@ static bool rate_control_cap_mask(struct ieee80211_sub_if_data *sdata,
return true; return true;
} }
static void
rate_control_apply_mask_ratetbl(struct sta_info *sta,
struct ieee80211_supported_band *sband,
struct ieee80211_sta_rates *rates)
{
int i;
u32 mask;
u8 mcs_mask[IEEE80211_HT_MCS_MASK_LEN];
enum nl80211_chan_width chan_width;
if (!rate_control_cap_mask(sta->sdata, sband, &sta->sta, &mask,
mcs_mask))
return;
chan_width = sta->sdata->vif.bss_conf.chandef.width;
for (i = 0; i < IEEE80211_TX_RATE_TABLE_SIZE; i++) {
if (rates->rate[i].idx < 0)
break;
rate_idx_match_mask(&rates->rate[i].idx, &rates->rate[i].flags,
sband, chan_width, mask, mcs_mask);
}
}
static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata, static void rate_control_apply_mask(struct ieee80211_sub_if_data *sdata,
struct ieee80211_sta *sta, struct ieee80211_sta *sta,
struct ieee80211_supported_band *sband, struct ieee80211_supported_band *sband,
@ -766,7 +790,10 @@ int rate_control_set_rates(struct ieee80211_hw *hw,
{ {
struct sta_info *sta = container_of(pubsta, struct sta_info, sta); struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
struct ieee80211_sta_rates *old; struct ieee80211_sta_rates *old;
struct ieee80211_supported_band *sband;
sband = hw->wiphy->bands[ieee80211_get_sdata_band(sta->sdata)];
rate_control_apply_mask_ratetbl(sta, sband, rates);
/* /*
* mac80211 guarantees that this function will not be called * mac80211 guarantees that this function will not be called
* concurrently, so the following RCU access is safe, even without * concurrently, so the following RCU access is safe, even without