diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c index b8b2b819e8e7..8169d1450b3b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs-fw.c @@ -183,6 +183,43 @@ rs_fw_vht_set_enabled_rates(const struct ieee80211_sta *sta, } } +static u16 rs_fw_he_ieee80211_mcs_to_rs_mcs(u16 mcs) +{ + switch (mcs) { + case IEEE80211_HE_MCS_SUPPORT_0_7: + return BIT(IWL_TLC_MNG_HT_RATE_MCS7 + 1) - 1; + case IEEE80211_HE_MCS_SUPPORT_0_9: + return BIT(IWL_TLC_MNG_HT_RATE_MCS9 + 1) - 1; + case IEEE80211_HE_MCS_SUPPORT_0_11: + return BIT(IWL_TLC_MNG_HT_RATE_MCS11 + 1) - 1; + case IEEE80211_HE_MCS_NOT_SUPPORTED: + return 0; + } + + WARN(1, "invalid HE MCS %d\n", mcs); + return 0; +} + +static void +rs_fw_he_set_enabled_rates(const struct ieee80211_sta *sta, + const struct ieee80211_sta_he_cap *he_cap, + struct iwl_tlc_config_cmd *cmd) +{ + u16 mcs_160 = le16_to_cpu(sta->he_cap.he_mcs_nss_supp.rx_mcs_160); + u16 mcs_80 = le16_to_cpu(sta->he_cap.he_mcs_nss_supp.rx_mcs_80); + int i; + + for (i = 0; i < sta->rx_nss && i < MAX_NSS; i++) { + u16 _mcs_160 = (mcs_160 >> (2 * i)) & 0x3; + u16 _mcs_80 = (mcs_80 >> (2 * i)) & 0x3; + + cmd->ht_rates[i][0] = + cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_80)); + cmd->ht_rates[i][1] = + cpu_to_le16(rs_fw_he_ieee80211_mcs_to_rs_mcs(_mcs_160)); + } +} + static void rs_fw_set_supp_rates(struct ieee80211_sta *sta, struct ieee80211_supported_band *sband, struct iwl_tlc_config_cmd *cmd) @@ -192,6 +229,7 @@ static void rs_fw_set_supp_rates(struct ieee80211_sta *sta, unsigned long supp; /* must be unsigned long for for_each_set_bit */ const struct ieee80211_sta_ht_cap *ht_cap = &sta->ht_cap; const struct ieee80211_sta_vht_cap *vht_cap = &sta->vht_cap; + const struct ieee80211_sta_he_cap *he_cap = &sta->he_cap; /* non HT rates */ supp = 0; @@ -202,7 +240,11 @@ static void rs_fw_set_supp_rates(struct ieee80211_sta *sta, cmd->non_ht_rates = cpu_to_le16(supp); cmd->mode = IWL_TLC_MNG_MODE_NON_HT; - if (vht_cap && vht_cap->vht_supported) { + /* HT/VHT rates */ + if (he_cap && he_cap->has_he) { + cmd->mode = IWL_TLC_MNG_MODE_HE; + rs_fw_he_set_enabled_rates(sta, he_cap, cmd); + } else if (vht_cap && vht_cap->vht_supported) { cmd->mode = IWL_TLC_MNG_MODE_VHT; rs_fw_vht_set_enabled_rates(sta, vht_cap, cmd); } else if (ht_cap && ht_cap->ht_supported) { |