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rt2x00: Remove ieee80211_rx_status from rt2x00_dev
rt2x00 was keeping a copy of ieee80211_rx_status embedded into the rt2x00_dev structure. For each RX frame, this structure was copied into the skb->cb where mac80211 would handle it further. However at the moment only the fields current band, and frequency were updated. Whereas the band was already provided directly within the rt2x00_dev structure. Save a memcpy action, and reduce memory a bit, by adding a curr_freq field to rt2x00_dev, and completely remove the ieee80211_rx_status structure from rt2x00_dev. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Acked-by: Gertjan van Wingerde <gwingerde@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -494,7 +494,7 @@ static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxwi_w2)
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u8 offset1;
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u8 offset2;
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if (rt2x00dev->rx_status.band == IEEE80211_BAND_2GHZ) {
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if (rt2x00dev->curr_band == IEEE80211_BAND_2GHZ) {
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rt2x00_eeprom_read(rt2x00dev, EEPROM_RSSI_BG, &eeprom);
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offset0 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET0);
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offset1 = rt2x00_get_field16(eeprom, EEPROM_RSSI_BG_OFFSET1);
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@ -699,6 +699,7 @@ struct rt2x00_dev {
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struct ieee80211_hw *hw;
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struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS];
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enum ieee80211_band curr_band;
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int curr_freq;
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/*
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* If enabled, the debugfs interface structures
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@ -850,11 +851,6 @@ struct rt2x00_dev {
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*/
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struct ieee80211_low_level_stats low_level_stats;
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/*
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* RX configuration information.
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*/
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struct ieee80211_rx_status rx_status;
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/*
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* Scheduled work.
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* NOTE: intf_work will use ieee80211_iterate_active_interfaces()
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@ -201,10 +201,8 @@ void rt2x00lib_config(struct rt2x00_dev *rt2x00dev,
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rt2x00link_reset_tuner(rt2x00dev, false);
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rt2x00dev->curr_band = conf->channel->band;
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rt2x00dev->curr_freq = conf->channel->center_freq;
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rt2x00dev->tx_power = conf->power_level;
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rt2x00dev->short_retry = conf->short_frame_max_tx_count;
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rt2x00dev->long_retry = conf->long_frame_max_tx_count;
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rt2x00dev->rx_status.band = conf->channel->band;
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rt2x00dev->rx_status.freq = conf->channel->center_freq;
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}
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@ -464,7 +464,7 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
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{
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struct rxdone_entry_desc rxdesc;
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struct sk_buff *skb;
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struct ieee80211_rx_status *rx_status = &rt2x00dev->rx_status;
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struct ieee80211_rx_status *rx_status;
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unsigned int header_length;
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int rate_idx;
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@ -535,19 +535,21 @@ void rt2x00lib_rxdone(struct rt2x00_dev *rt2x00dev,
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*/
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rt2x00link_update_stats(rt2x00dev, entry->skb, &rxdesc);
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rt2x00debug_update_crypto(rt2x00dev, &rxdesc);
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rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_RXDONE, entry->skb);
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/*
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* Initialize RX status information, and send frame
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* to mac80211.
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*/
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rx_status = IEEE80211_SKB_RXCB(entry->skb);
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rx_status->mactime = rxdesc.timestamp;
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rx_status->band = rt2x00dev->curr_band;
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rx_status->freq = rt2x00dev->curr_freq;
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rx_status->rate_idx = rate_idx;
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rx_status->signal = rxdesc.rssi;
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rx_status->flag = rxdesc.flags;
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rx_status->antenna = rt2x00dev->link.ant.active.rx;
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/*
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* Send frame to mac80211 & debugfs.
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* mac80211 will clean up the skb structure.
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*/
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rt2x00debug_dump_frame(rt2x00dev, DUMP_FRAME_RXDONE, entry->skb);
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memcpy(IEEE80211_SKB_RXCB(entry->skb), rx_status, sizeof(*rx_status));
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ieee80211_rx_ni(rt2x00dev->hw, entry->skb);
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/*
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@ -1050,7 +1050,7 @@ static void rt61pci_link_tuner(struct rt2x00_dev *rt2x00dev,
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/*
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* Determine r17 bounds.
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*/
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if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
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if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
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low_bound = 0x28;
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up_bound = 0x48;
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if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
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@ -1972,7 +1972,7 @@ static int rt61pci_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
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return 0;
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}
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if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
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if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
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if (lna == 3 || lna == 2)
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offset += 10;
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}
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@ -929,7 +929,7 @@ static void rt73usb_link_tuner(struct rt2x00_dev *rt2x00dev,
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/*
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* Determine r17 bounds.
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*/
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if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
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if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
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low_bound = 0x28;
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up_bound = 0x48;
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@ -1597,7 +1597,7 @@ static int rt73usb_agc_to_rssi(struct rt2x00_dev *rt2x00dev, int rxd_w1)
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return 0;
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}
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if (rt2x00dev->rx_status.band == IEEE80211_BAND_5GHZ) {
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if (rt2x00dev->curr_band == IEEE80211_BAND_5GHZ) {
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if (test_bit(CONFIG_EXTERNAL_LNA_A, &rt2x00dev->flags)) {
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if (lna == 3 || lna == 2)
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offset += 10;
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