diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 526 |
1 files changed, 330 insertions, 196 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 26ac9402568d..7bd8676508f5 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -200,7 +200,8 @@ static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, { struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); - if (iwl_mvm_check_pn(mvm, skb, queue, sta)) { + if (!(rx_status->flag & RX_FLAG_NO_PSDU) && + iwl_mvm_check_pn(mvm, skb, queue, sta)) { kfree_skb(skb); } else { unsigned int radiotap_len = 0; @@ -863,68 +864,66 @@ static void iwl_mvm_flip_address(u8 *addr) ether_addr_copy(addr, mac_addr); } -static void iwl_mvm_decode_he_sigb(struct iwl_mvm *mvm, - struct iwl_rx_mpdu_desc *desc, - u32 rate_n_flags, - struct ieee80211_radiotap_he_mu *he_mu) -{ - u32 sigb0, sigb1; - u16 sigb2; - - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) { - sigb0 = le32_to_cpu(desc->v3.sigb_common0); - sigb1 = le32_to_cpu(desc->v3.sigb_common1); - } else { - sigb0 = le32_to_cpu(desc->v1.sigb_common0); - sigb1 = le32_to_cpu(desc->v1.sigb_common1); - } +struct iwl_mvm_rx_phy_data { + enum iwl_rx_phy_info_type info_type; + __le32 d0, d1, d2, d3; + __le16 d4; +}; - sigb2 = le16_to_cpu(desc->sigb_common2); +static void iwl_mvm_decode_he_mu_ext(struct iwl_mvm *mvm, + struct iwl_mvm_rx_phy_data *phy_data, + u32 rate_n_flags, + struct ieee80211_radiotap_he_mu *he_mu) +{ + u32 phy_data2 = le32_to_cpu(phy_data->d2); + u32 phy_data3 = le32_to_cpu(phy_data->d3); + u16 phy_data4 = le16_to_cpu(phy_data->d4); - if (FIELD_GET(IWL_RX_HE_SIGB_COMMON2_CH1_CRC_OK, sigb2)) { + if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CRC_OK, phy_data4)) { he_mu->flags1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN | IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN); he_mu->flags1 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_SIGB_COMMON2_CH1_CTR_RU, - sigb2), + le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH1_CTR_RU, + phy_data4), IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU); - he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_HE_SIGB_COMMON0_CH1_RU0, - sigb0); - he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_HE_SIGB_COMMON1_CH1_RU1, - sigb1); - he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_HE_SIGB_COMMON0_CH1_RU2, - sigb0); - he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_HE_SIGB_COMMON1_CH1_RU3, - sigb1); + he_mu->ru_ch1[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU0, + phy_data2); + he_mu->ru_ch1[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU1, + phy_data3); + he_mu->ru_ch1[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH1_RU2, + phy_data2); + he_mu->ru_ch1[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH1_RU3, + phy_data3); } - if (FIELD_GET(IWL_RX_HE_SIGB_COMMON2_CH2_CRC_OK, sigb2) && + if (FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CRC_OK, phy_data4) && (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) != RATE_MCS_CHAN_WIDTH_20) { he_mu->flags1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN | IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN); he_mu->flags2 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_SIGB_COMMON2_CH2_CTR_RU, - sigb2), + le16_encode_bits(FIELD_GET(IWL_RX_PHY_DATA4_HE_MU_EXT_CH2_CTR_RU, + phy_data4), IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU); - he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_HE_SIGB_COMMON0_CH2_RU0, - sigb0); - he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_HE_SIGB_COMMON1_CH2_RU1, - sigb1); - he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_HE_SIGB_COMMON0_CH2_RU2, - sigb0); - he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_HE_SIGB_COMMON1_CH2_RU3, - sigb1); + he_mu->ru_ch2[0] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU0, + phy_data2); + he_mu->ru_ch2[1] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU1, + phy_data3); + he_mu->ru_ch2[2] = FIELD_GET(IWL_RX_PHY_DATA2_HE_MU_EXT_CH2_RU2, + phy_data2); + he_mu->ru_ch2[3] = FIELD_GET(IWL_RX_PHY_DATA3_HE_MU_EXT_CH2_RU3, + phy_data3); } } static void -iwl_mvm_decode_he_phy_ru_alloc(u64 he_phy_data, u32 rate_n_flags, +iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data, + u32 rate_n_flags, struct ieee80211_radiotap_he *he, struct ieee80211_radiotap_he_mu *he_mu, struct ieee80211_rx_status *rx_status) @@ -937,7 +936,7 @@ iwl_mvm_decode_he_phy_ru_alloc(u64 he_phy_data, u32 rate_n_flags, * happen though as management frames where we need * the TSF/timers are not be transmitted in HE-MU. */ - u8 ru = FIELD_GET(IWL_RX_HE_PHY_RU_ALLOC_MASK, he_phy_data); + u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK); u8 offs = 0; rx_status->bw = RATE_INFO_BW_HE_RU; @@ -976,7 +975,7 @@ iwl_mvm_decode_he_phy_ru_alloc(u64 he_phy_data, u32 rate_n_flags, IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET); he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN | IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN); - if (he_phy_data & IWL_RX_HE_PHY_RU_ALLOC_SEC80) + if (phy_data->d1 & cpu_to_le32(IWL_RX_PHY_DATA1_HE_RU_ALLOC_SEC80)) he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC); @@ -996,106 +995,122 @@ iwl_mvm_decode_he_phy_ru_alloc(u64 he_phy_data, u32 rate_n_flags, } static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm, - struct iwl_rx_mpdu_desc *desc, + struct iwl_mvm_rx_phy_data *phy_data, struct ieee80211_radiotap_he *he, struct ieee80211_radiotap_he_mu *he_mu, struct ieee80211_rx_status *rx_status, - u64 he_phy_data, u32 rate_n_flags, - int queue) + u32 rate_n_flags, int queue) { - u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK; - bool sigb_data; - u16 d1known = IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN | - IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN | - IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN | - IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN | - IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN; - u16 d2known = IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN | - IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN | - IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN; - - he->data1 |= cpu_to_le16(d1known); - he->data2 |= cpu_to_le16(d2known); - he->data3 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_BSS_COLOR_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR); - he->data3 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_UPLINK, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA3_UL_DL); - he->data3 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_LDPC_EXT_SYM, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG); - he->data4 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_SPATIAL_REUSE_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE); - he->data5 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_PRE_FEC_PAD_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD); - he->data5 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_PE_DISAMBIG, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG); - he->data6 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_TXOP_DUR_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA6_TXOP); - he->data6 |= le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_DOPPLER, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA6_DOPPLER); - - switch (he_type) { - case RATE_MCS_HE_TYPE_MU: + switch (phy_data->info_type) { + case IWL_RX_PHY_INFO_TYPE_NONE: + case IWL_RX_PHY_INFO_TYPE_CCK: + case IWL_RX_PHY_INFO_TYPE_OFDM_LGCY: + case IWL_RX_PHY_INFO_TYPE_HT: + case IWL_RX_PHY_INFO_TYPE_VHT_SU: + case IWL_RX_PHY_INFO_TYPE_VHT_MU: + return; + case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT: + he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN); + he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE1), + IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1); + he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE2), + IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2); + he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE3), + IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3); + he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA2_HE_TB_EXT_SPTL_REUSE4), + IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4); + /* fall through */ + case IWL_RX_PHY_INFO_TYPE_HE_SU: + case IWL_RX_PHY_INFO_TYPE_HE_MU: + case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT: + case IWL_RX_PHY_INFO_TYPE_HE_TB: + /* HE common */ + he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN | + IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN); + he->data2 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN | + IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN | + IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN | + IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN); + he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_BSS_COLOR_MASK), + IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR); + if (phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB && + phy_data->info_type != IWL_RX_PHY_INFO_TYPE_HE_TB_EXT) { + he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN); + he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_UPLINK), + IEEE80211_RADIOTAP_HE_DATA3_UL_DL); + } + he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_LDPC_EXT_SYM), + IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG); + he->data4 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_SPATIAL_REUSE_MASK), + IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE); + he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_PRE_FEC_PAD_MASK), + IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD); + he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_PE_DISAMBIG), + IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG); + he->data5 |= le16_encode_bits(le32_get_bits(phy_data->d1, + IWL_RX_PHY_DATA1_HE_LTF_NUM_MASK), + IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS); + he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_TXOP_DUR_MASK), + IEEE80211_RADIOTAP_HE_DATA6_TXOP); + he->data6 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_DOPPLER), + IEEE80211_RADIOTAP_HE_DATA6_DOPPLER); + break; + } + + switch (phy_data->info_type) { + case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT: he_mu->flags1 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_DCM, - he_phy_data), + le16_encode_bits(le16_get_bits(phy_data->d4, + IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_DCM), IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM); he_mu->flags1 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_MCS_MASK, - he_phy_data), + le16_encode_bits(le16_get_bits(phy_data->d4, + IWL_RX_PHY_DATA4_HE_MU_EXT_SIGB_MCS_MASK), IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS); he_mu->flags2 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIBG_SYM_OR_USER_NUM_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS); + le16_encode_bits(le16_get_bits(phy_data->d4, + IWL_RX_PHY_DATA4_HE_MU_EXT_PREAMBLE_PUNC_TYPE_MASK), + IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW); + iwl_mvm_decode_he_mu_ext(mvm, phy_data, rate_n_flags, he_mu); + /* fall through */ + case IWL_RX_PHY_INFO_TYPE_HE_MU: he_mu->flags2 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_SIGB_COMPRESSION, - he_phy_data), - IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP); + le16_encode_bits(le32_get_bits(phy_data->d1, + IWL_RX_PHY_DATA1_HE_MU_SIBG_SYM_OR_USER_NUM_MASK), + IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS); he_mu->flags2 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_MU_PREAMBLE_PUNC_TYPE_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW); - - sigb_data = FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK, - he_phy_data) == - IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO; - if (sigb_data) - iwl_mvm_decode_he_sigb(mvm, desc, rate_n_flags, he_mu); + le16_encode_bits(le32_get_bits(phy_data->d1, + IWL_RX_PHY_DATA1_HE_MU_SIGB_COMPRESSION), + IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP); /* fall through */ - case RATE_MCS_HE_TYPE_TRIG: - he->data2 |= - cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN); - he->data5 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_HE_LTF_NUM_MASK, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS); - break; - case RATE_MCS_HE_TYPE_SU: - case RATE_MCS_HE_TYPE_EXT_SU: - he->data1 |= - cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN); - he->data3 |= - le16_encode_bits(FIELD_GET(IWL_RX_HE_PHY_BEAM_CHNG, - he_phy_data), - IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE); - break; - } - - switch (FIELD_GET(IWL_RX_HE_PHY_INFO_TYPE_MASK, he_phy_data)) { - case IWL_RX_HE_PHY_INFO_TYPE_MU: - case IWL_RX_HE_PHY_INFO_TYPE_MU_EXT_INFO: - case IWL_RX_HE_PHY_INFO_TYPE_TB: - iwl_mvm_decode_he_phy_ru_alloc(he_phy_data, rate_n_flags, + case IWL_RX_PHY_INFO_TYPE_HE_TB: + case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT: + iwl_mvm_decode_he_phy_ru_alloc(phy_data, rate_n_flags, he, he_mu, rx_status); break; + case IWL_RX_PHY_INFO_TYPE_HE_SU: + he->data1 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN); + he->data3 |= le16_encode_bits(le32_get_bits(phy_data->d0, + IWL_RX_PHY_DATA0_HE_BEAM_CHNG), + IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE); + break; default: /* nothing */ break; @@ -1103,13 +1118,10 @@ static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm, } static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb, - struct iwl_rx_mpdu_desc *desc, + struct iwl_mvm_rx_phy_data *phy_data, u32 rate_n_flags, u16 phy_info, int queue) { struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); - /* this is invalid e.g. because puncture type doesn't allow 0b11 */ -#define HE_PHY_DATA_INVAL ((u64)-1) - u64 he_phy_data = HE_PHY_DATA_INVAL; struct ieee80211_radiotap_he *he = NULL; struct ieee80211_radiotap_he_mu *he_mu = NULL; u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK; @@ -1136,49 +1148,41 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb, radiotap_len += sizeof(known); rx_status->flag |= RX_FLAG_RADIOTAP_HE; - if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) { - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) - he_phy_data = le64_to_cpu(desc->v3.he_phy_data); - else - he_phy_data = le64_to_cpu(desc->v1.he_phy_data); - - if (he_type == RATE_MCS_HE_TYPE_MU) { - he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known)); - radiotap_len += sizeof(mu_known); - rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU; - } + if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU || + phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_MU_EXT) { + he_mu = skb_put_data(skb, &mu_known, sizeof(mu_known)); + radiotap_len += sizeof(mu_known); + rx_status->flag |= RX_FLAG_RADIOTAP_HE_MU; } /* temporarily hide the radiotap data */ __skb_pull(skb, radiotap_len); - if (he_phy_data != HE_PHY_DATA_INVAL && - he_type == RATE_MCS_HE_TYPE_SU) { + if (phy_data->info_type == IWL_RX_PHY_INFO_TYPE_HE_SU) { /* report the AMPDU-EOF bit on single frames */ if (!queue && !(phy_info & IWL_RX_MPDU_PHY_AMPDU)) { rx_status->flag |= RX_FLAG_AMPDU_DETAILS; rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN; - if (FIELD_GET(IWL_RX_HE_PHY_DELIM_EOF, he_phy_data)) + if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF)) rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT; } } - if (he_phy_data != HE_PHY_DATA_INVAL) - iwl_mvm_decode_he_phy_data(mvm, desc, he, he_mu, rx_status, - he_phy_data, rate_n_flags, queue); + if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) + iwl_mvm_decode_he_phy_data(mvm, phy_data, he, he_mu, rx_status, + rate_n_flags, queue); /* update aggregation data for monitor sake on default queue */ - if (!queue && (phy_info & IWL_RX_MPDU_PHY_AMPDU)) { + if (!queue && (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) && + (phy_info & IWL_RX_MPDU_PHY_AMPDU)) { bool toggle_bit = phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE; /* toggle is switched whenever new aggregation starts */ if (toggle_bit != mvm->ampdu_toggle && - he_phy_data != HE_PHY_DATA_INVAL && (he_type == RATE_MCS_HE_TYPE_MU || he_type == RATE_MCS_HE_TYPE_SU)) { rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT_KNOWN; - if (FIELD_GET(IWL_RX_HE_PHY_DELIM_EOF, - he_phy_data)) + if (phy_data->d0 & cpu_to_le32(IWL_RX_PHY_DATA0_HE_DELIM_EOF)) rx_status->flag |= RX_FLAG_AMPDU_EOF_BIT; } } @@ -1261,43 +1265,34 @@ static void iwl_mvm_rx_he(struct iwl_mvm *mvm, struct sk_buff *skb, break; } - he->data5 |= le16_encode_bits(ltf, IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); - - if (he_type == RATE_MCS_HE_TYPE_SU || - he_type == RATE_MCS_HE_TYPE_EXT_SU) { - u16 val; - - /* LTF syms correspond to streams */ - he->data2 |= - cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN); - switch (rx_status->nss) { - case 1: - val = 0; - break; - case 2: - val = 1; - break; - case 3: - case 4: - val = 2; - break; - case 5: - case 6: - val = 3; - break; - case 7: - case 8: - val = 4; - break; - default: - WARN_ONCE(1, "invalid nss: %d\n", - rx_status->nss); - val = 0; - } + he->data5 |= le16_encode_bits(ltf, + IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE); +} - he->data5 |= - le16_encode_bits(val, - IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS); +static void iwl_mvm_decode_lsig(struct sk_buff *skb, + struct iwl_mvm_rx_phy_data *phy_data) +{ + struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + struct ieee80211_radiotap_lsig *lsig; + + switch (phy_data->info_type) { + case IWL_RX_PHY_INFO_TYPE_HT: + case IWL_RX_PHY_INFO_TYPE_VHT_SU: + case IWL_RX_PHY_INFO_TYPE_VHT_MU: + case IWL_RX_PHY_INFO_TYPE_HE_TB_EXT: + case IWL_RX_PHY_INFO_TYPE_HE_SU: + case IWL_RX_PHY_INFO_TYPE_HE_MU: + case IWL_RX_PHY_INFO_TYPE_HE_MU_EXT: + case IWL_RX_PHY_INFO_TYPE_HE_TB: + lsig = skb_put(skb, sizeof(*lsig)); + lsig->data1 = cpu_to_le16(IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN); + lsig->data2 = le16_encode_bits(le32_get_bits(phy_data->d1, + IWL_RX_PHY_DATA1_LSIG_LEN_MASK), + IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH); + rx_status->flag |= RX_FLAG_RADIOTAP_LSIG; + break; + default: + break; } } @@ -1315,6 +1310,10 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, struct sk_buff *skb; u8 crypt_len = 0, channel, energy_a, energy_b; size_t desc_size; + struct iwl_mvm_rx_phy_data phy_data = { + .d4 = desc->phy_data4, + .info_type = IWL_RX_PHY_INFO_TYPE_NONE, + }; if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) return; @@ -1326,6 +1325,11 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, energy_a = desc->v3.energy_a; energy_b = desc->v3.energy_b; desc_size = sizeof(*desc); + + phy_data.d0 = desc->v3.phy_data0; + phy_data.d1 = desc->v3.phy_data1; + phy_data.d2 = desc->v3.phy_data2; + phy_data.d3 = desc->v3.phy_data3; } else { rate_n_flags = le32_to_cpu(desc->v1.rate_n_flags); channel = desc->v1.channel; @@ -1333,8 +1337,18 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, energy_a = desc->v1.energy_a; energy_b = desc->v1.energy_b; desc_size = IWL_RX_DESC_SIZE_V1; + + phy_data.d0 = desc->v1.phy_data0; + phy_data.d1 = desc->v1.phy_data1; + phy_data.d2 = desc->v1.phy_data2; + phy_data.d3 = desc->v1.phy_data3; } + if (phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD) + phy_data.info_type = + le32_get_bits(phy_data.d1, + IWL_RX_PHY_DATA1_INFO_TYPE_MASK); + hdr = (void *)(pkt->data + desc_size); /* Dont use dev_alloc_skb(), we'll have enough headroom once * ieee80211_hdr pulled. @@ -1373,7 +1387,10 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, } if (rate_n_flags & RATE_MCS_HE_MSK) - iwl_mvm_rx_he(mvm, skb, desc, rate_n_flags, phy_info, queue); + iwl_mvm_rx_he(mvm, skb, &phy_data, rate_n_flags, + phy_info, queue); + + iwl_mvm_decode_lsig(skb, &phy_data); rx_status = IEEE80211_SKB_RXCB(skb); @@ -1422,12 +1439,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, /* update aggregation data for monitor sake on default queue */ if (!queue && (phy_info & IWL_RX_MPDU_PHY_AMPDU)) { bool toggle_bit = phy_info & IWL_RX_MPDU_PHY_AMPDU_TOGGLE; - u64 he_phy_data; - - if (mvm->trans->cfg->device_family >= IWL_DEVICE_FAMILY_22560) - he_phy_data = le64_to_cpu(desc->v3.he_phy_data); - else - he_phy_data = le64_to_cpu(desc->v1.he_phy_data); rx_status->flag |= RX_FLAG_AMPDU_DETAILS; rx_status->ampdu_reference = mvm->ampdu_ref; @@ -1596,6 +1607,129 @@ out: rcu_read_unlock(); } +void iwl_mvm_rx_monitor_ndp(struct iwl_mvm *mvm, struct napi_struct *napi, + struct iwl_rx_cmd_buffer *rxb, int queue) +{ + struct ieee80211_rx_status *rx_status; + struct iwl_rx_packet *pkt = rxb_addr(rxb); + struct iwl_rx_no_data *desc = (void *)pkt->data; + u32 rate_n_flags = le32_to_cpu(desc->rate); + u32 gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time); + u32 rssi = le32_to_cpu(desc->rssi); + u32 info_type = le32_to_cpu(desc->info) & RX_NO_DATA_INFO_TYPE_MSK; + u16 phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD; + struct ieee80211_sta *sta = NULL; + struct sk_buff *skb; + u8 channel, energy_a, energy_b; + struct iwl_mvm_rx_phy_data phy_data = { + .d0 = desc->phy_info[0], + .info_type = IWL_RX_PHY_INFO_TYPE_NONE, + }; + + if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) + return; + + /* Currently only NDP type is supported */ + if (info_type != RX_NO_DATA_INFO_TYPE_NDP) + return; + + energy_a = (rssi & RX_NO_DATA_CHAIN_A_MSK) >> RX_NO_DATA_CHAIN_A_POS; + energy_b = (rssi & RX_NO_DATA_CHAIN_B_MSK) >> RX_NO_DATA_CHAIN_B_POS; + channel = (rssi & RX_NO_DATA_CHANNEL_MSK) >> RX_NO_DATA_CHANNEL_POS; + + phy_data.info_type = + le32_get_bits(desc->phy_info[1], + IWL_RX_PHY_DATA1_INFO_TYPE_MASK); + + /* Dont use dev_alloc_skb(), we'll have enough headroom once + * ieee80211_hdr pulled. + */ + skb = alloc_skb(128, GFP_ATOMIC); + if (!skb) { + IWL_ERR(mvm, "alloc_skb failed\n"); + return; + } + + rx_status = IEEE80211_SKB_RXCB(skb); + + /* 0-length PSDU */ + rx_status->flag |= RX_FLAG_NO_PSDU; + /* currently this is the only type for which we get this notif */ + rx_status->zero_length_psdu_type = + IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING; + + /* This may be overridden by iwl_mvm_rx_he() to HE_RU */ + switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK) { + case RATE_MCS_CHAN_WIDTH_20: + break; + case RATE_MCS_CHAN_WIDTH_40: + rx_status->bw = RATE_INFO_BW_40; + break; + case RATE_MCS_CHAN_WIDTH_80: + rx_status->bw = RATE_INFO_BW_80; + break; + case RATE_MCS_CHAN_WIDTH_160: + rx_status->bw = RATE_INFO_BW_160; + break; + } + + if (rate_n_flags & RATE_MCS_HE_MSK) + iwl_mvm_rx_he(mvm, skb, &phy_data, rate_n_flags, + phy_info, queue); + + iwl_mvm_decode_lsig(skb, &phy_data); + + rx_status->device_timestamp = gp2_on_air_rise; + rx_status->band = channel > 14 ? NL80211_BAND_5GHZ : + NL80211_BAND_2GHZ; + rx_status->freq = ieee80211_channel_to_frequency(channel, + rx_status->band); + iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags, energy_a, + energy_b); + + rcu_read_lock(); + + if (!(rate_n_flags & RATE_MCS_CCK_MSK) && + rate_n_flags & RATE_MCS_SGI_MSK) + rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + if (rate_n_flags & RATE_HT_MCS_GF_MSK) + rx_status->enc_flags |= RX_ENC_FLAG_HT_GF; + if (rate_n_flags & RATE_MCS_LDPC_MSK) + rx_status->enc_flags |= RX_ENC_FLAG_LDPC; + if (rate_n_flags & RATE_MCS_HT_MSK) { + u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> + RATE_MCS_STBC_POS; + rx_status->encoding = RX_ENC_HT; + rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK; + rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT; + } else if (rate_n_flags & RATE_MCS_VHT_MSK) { + u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> + RATE_MCS_STBC_POS; + rx_status->nss = + ((rate_n_flags & RATE_VHT_MCS_NSS_MSK) >> + RATE_VHT_MCS_NSS_POS) + 1; + rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK; + rx_status->encoding = RX_ENC_VHT; + rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT; + if (rate_n_flags & RATE_MCS_BF_MSK) + rx_status->enc_flags |= RX_ENC_FLAG_BF; + } else if (!(rate_n_flags & RATE_MCS_HE_MSK)) { + int rate = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, + rx_status->band); + + if (WARN(rate < 0 || rate > 0xFF, + "Invalid rate flags 0x%x, band %d,\n", + rate_n_flags, rx_status->band)) { + kfree_skb(skb); + goto out; + } + rx_status->rate_idx = rate; + } + + iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta); +out: + rcu_read_unlock(); +} void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue) { |