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wifi: mac80211: remove sta_info_tx_streams()

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The function is unused since commit 52b4810bed ("mac80211: Remove
support for changing AP SMPS mode") so we can just remove it.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-05-30 21:28:31 +02:00
parent b4f85443c1
commit 2a5ccbeec0
2 changed files with 0 additions and 36 deletions
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35
net/mac80211/sta_info.c
View File

@ -2093,41 +2093,6 @@ int sta_info_move_state(struct sta_info *sta,
return 0;
}
u8 sta_info_tx_streams(struct sta_info *sta)
{
struct ieee80211_sta_ht_cap *ht_cap = &sta->sta.deflink.ht_cap;
u8 rx_streams;
if (!sta->sta.deflink.ht_cap.ht_supported)
return 1;
if (sta->sta.deflink.vht_cap.vht_supported) {
int i;
u16 tx_mcs_map =
le16_to_cpu(sta->sta.deflink.vht_cap.vht_mcs.tx_mcs_map);
for (i = 7; i >= 0; i--)
if ((tx_mcs_map & (0x3 << (i * 2))) !=
IEEE80211_VHT_MCS_NOT_SUPPORTED)
return i + 1;
}
if (ht_cap->mcs.rx_mask[3])
rx_streams = 4;
else if (ht_cap->mcs.rx_mask[2])
rx_streams = 3;
else if (ht_cap->mcs.rx_mask[1])
rx_streams = 2;
else
rx_streams = 1;
if (!(ht_cap->mcs.tx_params & IEEE80211_HT_MCS_TX_RX_DIFF))
return rx_streams;
return ((ht_cap->mcs.tx_params & IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK)
>> IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT) + 1;
}
static struct ieee80211_sta_rx_stats *
sta_get_last_rx_stats(struct sta_info *sta)
{

1
net/mac80211/sta_info.h
View File

@ -891,7 +891,6 @@ u32 sta_get_expected_throughput(struct sta_info *sta);
void ieee80211_sta_expire(struct ieee80211_sub_if_data *sdata,
unsigned long exp_time);
u8 sta_info_tx_streams(struct sta_info *sta);
void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta);
void ieee80211_sta_ps_deliver_poll_response(struct sta_info *sta);