diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/util.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/util.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/util.c b/drivers/net/wireless/realtek/rtw88/util.c index 212070c2baa8..10f1117c0cfb 100644 --- a/drivers/net/wireless/realtek/rtw88/util.c +++ b/drivers/net/wireless/realtek/rtw88/util.c @@ -70,3 +70,30 @@ void rtw_restore_reg(struct rtw_dev *rtwdev, } } } + +void rtw_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss) +{ + if (rate <= DESC_RATE54M) + return; + + if (rate >= DESC_RATEVHT1SS_MCS0 && + rate <= DESC_RATEVHT1SS_MCS9) { + *nss = 1; + *mcs = rate - DESC_RATEVHT1SS_MCS0; + } else if (rate >= DESC_RATEVHT2SS_MCS0 && + rate <= DESC_RATEVHT2SS_MCS9) { + *nss = 2; + *mcs = rate - DESC_RATEVHT2SS_MCS0; + } else if (rate >= DESC_RATEVHT3SS_MCS0 && + rate <= DESC_RATEVHT3SS_MCS9) { + *nss = 3; + *mcs = rate - DESC_RATEVHT3SS_MCS0; + } else if (rate >= DESC_RATEVHT4SS_MCS0 && + rate <= DESC_RATEVHT4SS_MCS9) { + *nss = 4; + *mcs = rate - DESC_RATEVHT4SS_MCS0; + } else if (rate >= DESC_RATEMCS0 && + rate <= DESC_RATEMCS15) { + *mcs = rate - DESC_RATEMCS0; + } +} |