-/* mac80211's rate_idx is like this:
- *
- * 2.4G band:rx_status->band == IEEE80211_BAND_2GHZ
- *
- * B/G rate:
- * (rx_status->flag & RX_FLAG_HT) = 0,
- * DESC_RATE1M-->DESC_RATE54M ==> idx is 0-->11,
- *
- * N rate:
- * (rx_status->flag & RX_FLAG_HT) = 1,
- * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
- *
- * 5G band:rx_status->band == IEEE80211_BAND_5GHZ
- * A rate:
- * (rx_status->flag & RX_FLAG_HT) = 0,
- * DESC_RATE6M-->DESC_RATE54M ==> idx is 0-->7,
- *
- * N rate:
- * (rx_status->flag & RX_FLAG_HT) = 1,
- * DESC_RATEMCS0-->DESC_RATEMCS15 ==> idx is 0-->15
- */
-static int _rtl8821ae_rate_mapping(struct ieee80211_hw *hw,
- bool isht, bool isvht, u8 desc_rate)
-{
- int rate_idx;
-
- if (!isht) {
- if (IEEE80211_BAND_2GHZ == hw->conf.chandef.chan->band) {
- switch (desc_rate) {
- case DESC_RATE1M:
- rate_idx = 0;
- break;
- case DESC_RATE2M:
- rate_idx = 1;
- break;
- case DESC_RATE5_5M:
- rate_idx = 2;
- break;
- case DESC_RATE11M:
- rate_idx = 3;
- break;
- case DESC_RATE6M:
- rate_idx = 4;
- break;
- case DESC_RATE9M:
- rate_idx = 5;
- break;
- case DESC_RATE12M:
- rate_idx = 6;
- break;
- case DESC_RATE18M:
- rate_idx = 7;
- break;
- case DESC_RATE24M:
- rate_idx = 8;
- break;
- case DESC_RATE36M:
- rate_idx = 9;
- break;
- case DESC_RATE48M:
- rate_idx = 10;
- break;
- case DESC_RATE54M:
- rate_idx = 11;
- break;
- default:
- rate_idx = 0;
- break;
- }
- } else {
- switch (desc_rate) {
- case DESC_RATE6M:
- rate_idx = 0;
- break;
- case DESC_RATE9M:
- rate_idx = 1;
- break;
- case DESC_RATE12M:
- rate_idx = 2;
- break;
- case DESC_RATE18M:
- rate_idx = 3;
- break;
- case DESC_RATE24M:
- rate_idx = 4;
- break;
- case DESC_RATE36M:
- rate_idx = 5;
- break;
- case DESC_RATE48M:
- rate_idx = 6;
- break;
- case DESC_RATE54M:
- rate_idx = 7;
- break;
- default:
- rate_idx = 0;
- break;
- }
- }
- } else {
- switch (desc_rate) {
- case DESC_RATEMCS0:
- rate_idx = 0;
- break;
- case DESC_RATEMCS1:
- rate_idx = 1;
- break;
- case DESC_RATEMCS2:
- rate_idx = 2;
- break;
- case DESC_RATEMCS3:
- rate_idx = 3;
- break;
- case DESC_RATEMCS4:
- rate_idx = 4;
- break;
- case DESC_RATEMCS5:
- rate_idx = 5;
- break;
- case DESC_RATEMCS6:
- rate_idx = 6;
- break;
- case DESC_RATEMCS7:
- rate_idx = 7;
- break;
- case DESC_RATEMCS8:
- rate_idx = 8;
- break;
- case DESC_RATEMCS9:
- rate_idx = 9;
- break;
- case DESC_RATEMCS10:
- rate_idx = 10;
- break;
- case DESC_RATEMCS11:
- rate_idx = 11;
- break;
- case DESC_RATEMCS12:
- rate_idx = 12;
- break;
- case DESC_RATEMCS13:
- rate_idx = 13;
- break;
- case DESC_RATEMCS14:
- rate_idx = 14;
- break;
- case DESC_RATEMCS15:
- rate_idx = 15;
- break;
- default:
- rate_idx = 0;
- break;
- }
- }
-
- if (isvht) {
- switch (desc_rate) {
- case DESC_RATEVHT1SS_MCS0:
- rate_idx = 0;
- break;
- case DESC_RATEVHT1SS_MCS1:
- rate_idx = 1;
- break;
- case DESC_RATEVHT1SS_MCS2:
- rate_idx = 2;
- break;
- case DESC_RATEVHT1SS_MCS3:
- rate_idx = 3;
- break;
- case DESC_RATEVHT1SS_MCS4:
- rate_idx = 4;
- break;
- case DESC_RATEVHT1SS_MCS5:
- rate_idx = 5;
- break;
- case DESC_RATEVHT1SS_MCS6:
- rate_idx = 6;
- break;
- case DESC_RATEVHT1SS_MCS7:
- rate_idx = 7;
- break;
- case DESC_RATEVHT1SS_MCS8:
- rate_idx = 8;
- break;
- case DESC_RATEVHT1SS_MCS9:
- rate_idx = 9;
- break;
- case DESC_RATEVHT2SS_MCS0:
- rate_idx = 0;
- break;
- case DESC_RATEVHT2SS_MCS1:
- rate_idx = 1;
- break;
- case DESC_RATEVHT2SS_MCS2:
- rate_idx = 2;
- break;
- case DESC_RATEVHT2SS_MCS3:
- rate_idx = 3;
- break;
- case DESC_RATEVHT2SS_MCS4:
- rate_idx = 4;
- break;
- case DESC_RATEVHT2SS_MCS5:
- rate_idx = 5;
- break;
- case DESC_RATEVHT2SS_MCS6:
- rate_idx = 6;
- break;
- case DESC_RATEVHT2SS_MCS7:
- rate_idx = 7;
- break;
- case DESC_RATEVHT2SS_MCS8:
- rate_idx = 8;
- break;
- case DESC_RATEVHT2SS_MCS9:
- rate_idx = 9;
- break;
- default:
- rate_idx = 0;
- break;
- }
- }
- return rate_idx;
-}
-