diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/utils.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/utils.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 4a3d2971a98b..caf1dcf48888 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -135,31 +135,25 @@ int iwl_mvm_send_cmd_pdu_status(struct iwl_mvm *mvm, u32 id, u16 len, return iwl_mvm_send_cmd_status(mvm, &cmd, status); } -#define IWL_DECLARE_RATE_INFO(r) \ - [IWL_RATE_##r##M_INDEX] = IWL_RATE_##r##M_PLCP +int iwl_mvm_legacy_hw_idx_to_mac80211_idx(u32 rate_n_flags, + enum nl80211_band band) +{ + int format = rate_n_flags & RATE_MCS_MOD_TYPE_MSK; + int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; + bool is_LB = band == NL80211_BAND_2GHZ; -/* - * Translate from fw_rate_index (IWL_RATE_XXM_INDEX) to PLCP - */ -static const u8 fw_rate_idx_to_plcp[IWL_RATE_COUNT] = { - IWL_DECLARE_RATE_INFO(1), - IWL_DECLARE_RATE_INFO(2), - IWL_DECLARE_RATE_INFO(5), - IWL_DECLARE_RATE_INFO(11), - IWL_DECLARE_RATE_INFO(6), - IWL_DECLARE_RATE_INFO(9), - IWL_DECLARE_RATE_INFO(12), - IWL_DECLARE_RATE_INFO(18), - IWL_DECLARE_RATE_INFO(24), - IWL_DECLARE_RATE_INFO(36), - IWL_DECLARE_RATE_INFO(48), - IWL_DECLARE_RATE_INFO(54), -}; + if (format == RATE_MCS_LEGACY_OFDM_MSK) + return is_LB ? rate + IWL_FIRST_OFDM_RATE : + rate; + + /* CCK is not allowed in HB */ + return is_LB ? rate : -1; +} int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, enum nl80211_band band) { - int rate = rate_n_flags & RATE_LEGACY_RATE_MSK; + int rate = rate_n_flags & RATE_LEGACY_RATE_MSK_V1; int idx; int band_offset = 0; @@ -167,16 +161,24 @@ int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags, if (band != NL80211_BAND_2GHZ) band_offset = IWL_FIRST_OFDM_RATE; for (idx = band_offset; idx < IWL_RATE_COUNT_LEGACY; idx++) - if (fw_rate_idx_to_plcp[idx] == rate) + if (iwl_fw_rate_idx_to_plcp(idx) == rate) return idx - band_offset; return -1; } -u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx) +u8 iwl_mvm_mac80211_idx_to_hwrate(const struct iwl_fw *fw, int rate_idx) { - /* Get PLCP rate for tx_cmd->rate_n_flags */ - return fw_rate_idx_to_plcp[rate_idx]; + if (iwl_fw_lookup_cmd_ver(fw, LONG_GROUP, + TX_CMD, 0) > 8) + /* In the new rate legacy rates are indexed: + * 0 - 3 for CCK and 0 - 7 for OFDM. + */ + return (rate_idx >= IWL_FIRST_OFDM_RATE ? + rate_idx - IWL_FIRST_OFDM_RATE : + rate_idx); + + return iwl_fw_rate_idx_to_plcp(rate_idx); } u8 iwl_mvm_mac80211_ac_to_ucode_ac(enum ieee80211_ac_numbers ac) @@ -217,6 +219,7 @@ u8 first_antenna(u8 mask) return BIT(ffs(mask) - 1); } +#define MAX_ANT_NUM 2 /* * Toggles between TX antennas to send the probe request on. * Receives the bitmask of valid TX antennas and the *index* used @@ -405,6 +408,9 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) + return false; + if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return false; |