diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rs.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c index 5802ed80a9ca..d1619a229d8f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c @@ -4178,167 +4178,3 @@ int iwl_mvm_tx_protection(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, else return rs_drv_tx_protection(mvm, mvmsta, enable); } - -static u32 iwl_legacy_rate_to_fw_idx(u32 rate_n_flags) -{ - int rate = rate_n_flags & RATE_LEGACY_RATE_MSK_V1; - int idx; - bool ofdm = !(rate_n_flags & RATE_MCS_CCK_MSK_V1); - int offset = ofdm ? IWL_FIRST_OFDM_RATE : 0; - int last = ofdm ? IWL_RATE_COUNT_LEGACY : IWL_FIRST_OFDM_RATE; - - for (idx = offset; idx < last; idx++) - if (iwl_fw_rate_idx_to_plcp(idx) == rate) - return idx - offset; - return IWL_RATE_INVALID; -} - -u32 iwl_mvm_v3_rate_from_fw(__le32 rate, u8 rate_ver) -{ - u32 rate_v3 = 0, rate_v1; - u32 dup = 0; - - if (rate_ver > 1) - return iwl_v3_rate_from_v2_v3(rate, rate_ver >= 3); - - rate_v1 = le32_to_cpu(rate); - if (rate_v1 == 0) - return rate_v1; - /* convert rate */ - if (rate_v1 & RATE_MCS_HT_MSK_V1) { - u32 nss; - - rate_v3 |= RATE_MCS_MOD_TYPE_HT; - rate_v3 |= - rate_v1 & RATE_HT_MCS_RATE_CODE_MSK_V1; - nss = u32_get_bits(rate_v1, RATE_HT_MCS_MIMO2_MSK); - rate_v3 |= u32_encode_bits(nss, RATE_MCS_NSS_MSK); - } else if (rate_v1 & RATE_MCS_VHT_MSK_V1 || - rate_v1 & RATE_MCS_HE_MSK_V1) { - u32 nss = u32_get_bits(rate_v1, RATE_VHT_MCS_NSS_MSK); - - rate_v3 |= rate_v1 & RATE_VHT_MCS_RATE_CODE_MSK; - - rate_v3 |= u32_encode_bits(nss, RATE_MCS_NSS_MSK); - - if (rate_v1 & RATE_MCS_HE_MSK_V1) { - u32 he_type_bits = rate_v1 & RATE_MCS_HE_TYPE_MSK_V1; - u32 he_type = he_type_bits >> RATE_MCS_HE_TYPE_POS_V1; - u32 he_106t = (rate_v1 & RATE_MCS_HE_106T_MSK_V1) >> - RATE_MCS_HE_106T_POS_V1; - u32 he_gi_ltf = (rate_v1 & RATE_MCS_HE_GI_LTF_MSK_V1) >> - RATE_MCS_HE_GI_LTF_POS; - - if ((he_type_bits == RATE_MCS_HE_TYPE_SU || - he_type_bits == RATE_MCS_HE_TYPE_EXT_SU) && - he_gi_ltf == RATE_MCS_HE_SU_4_LTF) - /* the new rate have an additional bit to - * represent the value 4 rather then using SGI - * bit for this purpose - as it was done in the - * old rate - */ - he_gi_ltf += (rate_v1 & RATE_MCS_SGI_MSK_V1) >> - RATE_MCS_SGI_POS_V1; - - rate_v3 |= he_gi_ltf << RATE_MCS_HE_GI_LTF_POS; - rate_v3 |= he_type << RATE_MCS_HE_TYPE_POS; - rate_v3 |= he_106t << RATE_MCS_HE_106T_POS; - rate_v3 |= rate_v1 & RATE_HE_DUAL_CARRIER_MODE_MSK; - rate_v3 |= RATE_MCS_MOD_TYPE_HE; - } else { - rate_v3 |= RATE_MCS_MOD_TYPE_VHT; - } - /* if legacy format */ - } else { - u32 legacy_rate = iwl_legacy_rate_to_fw_idx(rate_v1); - - if (WARN_ON_ONCE(legacy_rate == IWL_RATE_INVALID)) - legacy_rate = (rate_v1 & RATE_MCS_CCK_MSK_V1) ? - IWL_FIRST_CCK_RATE : IWL_FIRST_OFDM_RATE; - - rate_v3 |= legacy_rate; - if (!(rate_v1 & RATE_MCS_CCK_MSK_V1)) - rate_v3 |= RATE_MCS_MOD_TYPE_LEGACY_OFDM; - } - - /* convert flags */ - if (rate_v1 & RATE_MCS_LDPC_MSK_V1) - rate_v3 |= RATE_MCS_LDPC_MSK; - rate_v3 |= (rate_v1 & RATE_MCS_CHAN_WIDTH_MSK_V1) | - (rate_v1 & RATE_MCS_ANT_AB_MSK) | - (rate_v1 & RATE_MCS_STBC_MSK) | - (rate_v1 & RATE_MCS_BF_MSK); - - dup = (rate_v1 & RATE_MCS_DUP_MSK_V1) >> RATE_MCS_DUP_POS_V1; - if (dup) { - rate_v3 |= RATE_MCS_DUP_MSK; - rate_v3 |= dup << RATE_MCS_CHAN_WIDTH_POS; - } - - if ((!(rate_v1 & RATE_MCS_HE_MSK_V1)) && - (rate_v1 & RATE_MCS_SGI_MSK_V1)) - rate_v3 |= RATE_MCS_SGI_MSK; - - return rate_v3; -} - -__le32 iwl_mvm_v3_rate_to_fw(u32 rate, u8 rate_ver) -{ - u32 result = 0; - int rate_idx; - - if (rate_ver > 1) - return iwl_v3_rate_to_v2_v3(rate, rate_ver > 2); - - switch (rate & RATE_MCS_MOD_TYPE_MSK) { - case RATE_MCS_MOD_TYPE_CCK: - result = RATE_MCS_CCK_MSK_V1; - fallthrough; - case RATE_MCS_MOD_TYPE_LEGACY_OFDM: - rate_idx = u32_get_bits(rate, RATE_LEGACY_RATE_MSK); - if (!(result & RATE_MCS_CCK_MSK_V1)) - rate_idx += IWL_FIRST_OFDM_RATE; - result |= u32_encode_bits(iwl_fw_rate_idx_to_plcp(rate_idx), - RATE_LEGACY_RATE_MSK_V1); - break; - case RATE_MCS_MOD_TYPE_HT: - result = RATE_MCS_HT_MSK_V1; - result |= u32_encode_bits(u32_get_bits(rate, - RATE_HT_MCS_CODE_MSK), - RATE_HT_MCS_RATE_CODE_MSK_V1); - result |= u32_encode_bits(u32_get_bits(rate, - RATE_MCS_NSS_MSK), - RATE_HT_MCS_MIMO2_MSK); - break; - case RATE_MCS_MOD_TYPE_VHT: - result = RATE_MCS_VHT_MSK_V1; - result |= u32_encode_bits(u32_get_bits(rate, - RATE_VHT_MCS_NSS_MSK), - RATE_MCS_CODE_MSK); - result |= u32_encode_bits(u32_get_bits(rate, RATE_MCS_NSS_MSK), - RATE_VHT_MCS_NSS_MSK); - break; - case RATE_MCS_MOD_TYPE_HE: /* not generated */ - default: - WARN_ONCE(1, "bad modulation type %d\n", - u32_get_bits(rate, RATE_MCS_MOD_TYPE_MSK)); - return 0; - } - - if (rate & RATE_MCS_LDPC_MSK) - result |= RATE_MCS_LDPC_MSK_V1; - WARN_ON_ONCE(u32_get_bits(rate, RATE_MCS_CHAN_WIDTH_MSK) > - RATE_MCS_CHAN_WIDTH_160_VAL); - result |= (rate & RATE_MCS_CHAN_WIDTH_MSK_V1) | - (rate & RATE_MCS_ANT_AB_MSK) | - (rate & RATE_MCS_STBC_MSK) | - (rate & RATE_MCS_BF_MSK); - - /* not handling DUP since we don't use it */ - WARN_ON_ONCE(rate & RATE_MCS_DUP_MSK); - - if (rate & RATE_MCS_SGI_MSK) - result |= RATE_MCS_SGI_MSK_V1; - - return cpu_to_le32(result); -} |