18e99ea8dSJohannes Berg // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause 28e99ea8dSJohannes Berg /* 3*aedb2b38SAnjaneyulu * Copyright (C) 2012-2014, 2018-2023 Intel Corporation 48e99ea8dSJohannes Berg * Copyright (C) 2013-2015 Intel Mobile Communications GmbH 58e99ea8dSJohannes Berg * Copyright (C) 2016-2017 Intel Deutschland GmbH 68e99ea8dSJohannes Berg */ 7c5aaa8beSWang Xuerui #include <asm/unaligned.h> 8a399f980SJohannes Berg #include <linux/etherdevice.h> 9e705c121SKalle Valo #include <linux/skbuff.h> 10e705c121SKalle Valo #include "iwl-trans.h" 11e705c121SKalle Valo #include "mvm.h" 12e705c121SKalle Valo #include "fw-api.h" 13e705c121SKalle Valo 14e705c121SKalle Valo /* 15e705c121SKalle Valo * iwl_mvm_rx_rx_phy_cmd - REPLY_RX_PHY_CMD handler 16e705c121SKalle Valo * 17e705c121SKalle Valo * Copies the phy information in mvm->last_phy_info, it will be used when the 18e705c121SKalle Valo * actual data will come from the fw in the next packet. 19e705c121SKalle Valo */ 20e705c121SKalle Valo void iwl_mvm_rx_rx_phy_cmd(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 21e705c121SKalle Valo { 22e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 231e1a58beSJohannes Berg unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); 241e1a58beSJohannes Berg 251e1a58beSJohannes Berg if (unlikely(pkt_len < sizeof(mvm->last_phy_info))) 261e1a58beSJohannes Berg return; 27e705c121SKalle Valo 28e705c121SKalle Valo memcpy(&mvm->last_phy_info, pkt->data, sizeof(mvm->last_phy_info)); 29e705c121SKalle Valo mvm->ampdu_ref++; 30e705c121SKalle Valo 31e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 32e705c121SKalle Valo if (mvm->last_phy_info.phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) { 33e705c121SKalle Valo spin_lock(&mvm->drv_stats_lock); 34e705c121SKalle Valo mvm->drv_rx_stats.ampdu_count++; 35e705c121SKalle Valo spin_unlock(&mvm->drv_stats_lock); 36e705c121SKalle Valo } 37e705c121SKalle Valo #endif 38e705c121SKalle Valo } 39e705c121SKalle Valo 40e705c121SKalle Valo /* 41e705c121SKalle Valo * iwl_mvm_pass_packet_to_mac80211 - builds the packet for mac80211 42e705c121SKalle Valo * 43e705c121SKalle Valo * Adds the rxb to a new skb and give it to mac80211 44e705c121SKalle Valo */ 45e705c121SKalle Valo static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, 4643ec72b7SJohannes Berg struct ieee80211_sta *sta, 47e705c121SKalle Valo struct napi_struct *napi, 48e705c121SKalle Valo struct sk_buff *skb, 49e705c121SKalle Valo struct ieee80211_hdr *hdr, u16 len, 50bdbc58abSDan Carpenter u8 crypt_len, 51e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 52e705c121SKalle Valo { 535cddd05cSJohannes Berg unsigned int hdrlen = ieee80211_hdrlen(hdr->frame_control); 545cddd05cSJohannes Berg unsigned int fraglen; 555cddd05cSJohannes Berg 565cddd05cSJohannes Berg /* 575cddd05cSJohannes Berg * The 'hdrlen' (plus the 8 bytes for the SNAP and the crypt_len, 585cddd05cSJohannes Berg * but those are all multiples of 4 long) all goes away, but we 595cddd05cSJohannes Berg * want the *end* of it, which is going to be the start of the IP 605cddd05cSJohannes Berg * header, to be aligned when it gets pulled in. 615cddd05cSJohannes Berg * The beginning of the skb->data is aligned on at least a 4-byte 625cddd05cSJohannes Berg * boundary after allocation. Everything here is aligned at least 635cddd05cSJohannes Berg * on a 2-byte boundary so we can just take hdrlen & 3 and pad by 645cddd05cSJohannes Berg * the result. 655cddd05cSJohannes Berg */ 665cddd05cSJohannes Berg skb_reserve(skb, hdrlen & 3); 67e705c121SKalle Valo 68e705c121SKalle Valo /* If frame is small enough to fit in skb->head, pull it completely. 69e705c121SKalle Valo * If not, only pull ieee80211_hdr (including crypto if present, and 70e705c121SKalle Valo * an additional 8 bytes for SNAP/ethertype, see below) so that 71e705c121SKalle Valo * splice() or TCP coalesce are more efficient. 72e705c121SKalle Valo * 73e705c121SKalle Valo * Since, in addition, ieee80211_data_to_8023() always pull in at 74e705c121SKalle Valo * least 8 bytes (possibly more for mesh) we can do the same here 75e705c121SKalle Valo * to save the cost of doing it later. That still doesn't pull in 76e705c121SKalle Valo * the actual IP header since the typical case has a SNAP header. 77e705c121SKalle Valo * If the latter changes (there are efforts in the standards group 78e705c121SKalle Valo * to do so) we should revisit this and ieee80211_data_to_8023(). 79e705c121SKalle Valo */ 805cddd05cSJohannes Berg hdrlen = (len <= skb_tailroom(skb)) ? len : hdrlen + crypt_len + 8; 81e705c121SKalle Valo 8259ae1d12SJohannes Berg skb_put_data(skb, hdr, hdrlen); 83e705c121SKalle Valo fraglen = len - hdrlen; 84e705c121SKalle Valo 85e705c121SKalle Valo if (fraglen) { 863827cb59SJohannes Berg int offset = (u8 *)hdr + hdrlen - 873827cb59SJohannes Berg (u8 *)rxb_addr(rxb) + rxb_offset(rxb); 88e705c121SKalle Valo 89e705c121SKalle Valo skb_add_rx_frag(skb, 0, rxb_steal_page(rxb), offset, 90e705c121SKalle Valo fraglen, rxb->truesize); 91e705c121SKalle Valo } 92e705c121SKalle Valo 9343ec72b7SJohannes Berg ieee80211_rx_napi(mvm->hw, sta, skb, napi); 94e705c121SKalle Valo } 95e705c121SKalle Valo 96e705c121SKalle Valo /* 97e705c121SKalle Valo * iwl_mvm_get_signal_strength - use new rx PHY INFO API 98e705c121SKalle Valo * values are reported by the fw as positive values - need to negate 99e705c121SKalle Valo * to obtain their dBM. Account for missing antennas by replacing 0 100e705c121SKalle Valo * values by -256dBm: practically 0 power and a non-feasible 8 bit value. 101e705c121SKalle Valo */ 102e705c121SKalle Valo static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm, 103e705c121SKalle Valo struct iwl_rx_phy_info *phy_info, 104e705c121SKalle Valo struct ieee80211_rx_status *rx_status) 105e705c121SKalle Valo { 10657b7b345SMiri Korenblit int energy_a, energy_b, max_energy; 107e705c121SKalle Valo u32 val; 108e705c121SKalle Valo 109e705c121SKalle Valo val = 110e705c121SKalle Valo le32_to_cpu(phy_info->non_cfg_phy[IWL_RX_INFO_ENERGY_ANT_ABC_IDX]); 111e705c121SKalle Valo energy_a = (val & IWL_RX_INFO_ENERGY_ANT_A_MSK) >> 112e705c121SKalle Valo IWL_RX_INFO_ENERGY_ANT_A_POS; 113e705c121SKalle Valo energy_a = energy_a ? -energy_a : S8_MIN; 114e705c121SKalle Valo energy_b = (val & IWL_RX_INFO_ENERGY_ANT_B_MSK) >> 115e705c121SKalle Valo IWL_RX_INFO_ENERGY_ANT_B_POS; 116e705c121SKalle Valo energy_b = energy_b ? -energy_b : S8_MIN; 117e705c121SKalle Valo max_energy = max(energy_a, energy_b); 118e705c121SKalle Valo 11957b7b345SMiri Korenblit IWL_DEBUG_STATS(mvm, "energy In A %d B %d , and max %d\n", 12057b7b345SMiri Korenblit energy_a, energy_b, max_energy); 121e705c121SKalle Valo 122e705c121SKalle Valo rx_status->signal = max_energy; 123e705c121SKalle Valo rx_status->chains = (le16_to_cpu(phy_info->phy_flags) & 124e705c121SKalle Valo RX_RES_PHY_FLAGS_ANTENNA) 125e705c121SKalle Valo >> RX_RES_PHY_FLAGS_ANTENNA_POS; 126e705c121SKalle Valo rx_status->chain_signal[0] = energy_a; 127e705c121SKalle Valo rx_status->chain_signal[1] = energy_b; 128e705c121SKalle Valo } 129e705c121SKalle Valo 130e705c121SKalle Valo /* 131e705c121SKalle Valo * iwl_mvm_set_mac80211_rx_flag - translate fw status to mac80211 format 132e705c121SKalle Valo * @mvm: the mvm object 133e705c121SKalle Valo * @hdr: 80211 header 134e705c121SKalle Valo * @stats: status in mac80211's format 135e705c121SKalle Valo * @rx_pkt_status: status coming from fw 136e705c121SKalle Valo * 137e705c121SKalle Valo * returns non 0 value if the packet should be dropped 138e705c121SKalle Valo */ 139e705c121SKalle Valo static u32 iwl_mvm_set_mac80211_rx_flag(struct iwl_mvm *mvm, 140e705c121SKalle Valo struct ieee80211_hdr *hdr, 141e705c121SKalle Valo struct ieee80211_rx_status *stats, 142e705c121SKalle Valo u32 rx_pkt_status, 143e705c121SKalle Valo u8 *crypt_len) 144e705c121SKalle Valo { 145e705c121SKalle Valo if (!ieee80211_has_protected(hdr->frame_control) || 146e705c121SKalle Valo (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == 147e705c121SKalle Valo RX_MPDU_RES_STATUS_SEC_NO_ENC) 148e705c121SKalle Valo return 0; 149e705c121SKalle Valo 150e705c121SKalle Valo /* packet was encrypted with unknown alg */ 151e705c121SKalle Valo if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == 152e705c121SKalle Valo RX_MPDU_RES_STATUS_SEC_ENC_ERR) 153e705c121SKalle Valo return 0; 154e705c121SKalle Valo 155e705c121SKalle Valo switch (rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) { 156e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_CCM_ENC: 157e705c121SKalle Valo /* alg is CCM: check MIC only */ 158e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK)) 159e705c121SKalle Valo return -1; 160e705c121SKalle Valo 161e705c121SKalle Valo stats->flag |= RX_FLAG_DECRYPTED; 162e705c121SKalle Valo *crypt_len = IEEE80211_CCMP_HDR_LEN; 163e705c121SKalle Valo return 0; 164e705c121SKalle Valo 165e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_TKIP_ENC: 166e705c121SKalle Valo /* Don't drop the frame and decrypt it in SW */ 16757df3839SSara Sharon if (!fw_has_api(&mvm->fw->ucode_capa, 16857df3839SSara Sharon IWL_UCODE_TLV_API_DEPRECATE_TTAK) && 16957df3839SSara Sharon !(rx_pkt_status & RX_MPDU_RES_STATUS_TTAK_OK)) 170e705c121SKalle Valo return 0; 171e705c121SKalle Valo *crypt_len = IEEE80211_TKIP_IV_LEN; 1725a2abdcaSGustavo A. R. Silva fallthrough; 173e705c121SKalle Valo 174e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_WEP_ENC: 175e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_ICV_OK)) 176e705c121SKalle Valo return -1; 177e705c121SKalle Valo 178e705c121SKalle Valo stats->flag |= RX_FLAG_DECRYPTED; 179e705c121SKalle Valo if ((rx_pkt_status & RX_MPDU_RES_STATUS_SEC_ENC_MSK) == 180e705c121SKalle Valo RX_MPDU_RES_STATUS_SEC_WEP_ENC) 181e705c121SKalle Valo *crypt_len = IEEE80211_WEP_IV_LEN; 182e705c121SKalle Valo return 0; 183e705c121SKalle Valo 184e705c121SKalle Valo case RX_MPDU_RES_STATUS_SEC_EXT_ENC: 185e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_MIC_OK)) 186e705c121SKalle Valo return -1; 187e705c121SKalle Valo stats->flag |= RX_FLAG_DECRYPTED; 188e705c121SKalle Valo return 0; 189e705c121SKalle Valo 190e705c121SKalle Valo default: 191baf41bc3SShaul Triebitz /* Expected in monitor (not having the keys) */ 192baf41bc3SShaul Triebitz if (!mvm->monitor_on) 193876882b5SGolan Ben Ami IWL_WARN(mvm, "Unhandled alg: 0x%x\n", rx_pkt_status); 194e705c121SKalle Valo } 195e705c121SKalle Valo 196e705c121SKalle Valo return 0; 197e705c121SKalle Valo } 198e705c121SKalle Valo 1997d9d0d56SLuca Coelho static void iwl_mvm_rx_handle_tcm(struct iwl_mvm *mvm, 2007d9d0d56SLuca Coelho struct ieee80211_sta *sta, 2017d9d0d56SLuca Coelho struct ieee80211_hdr *hdr, u32 len, 2027d9d0d56SLuca Coelho struct iwl_rx_phy_info *phy_info, 2037d9d0d56SLuca Coelho u32 rate_n_flags) 2047d9d0d56SLuca Coelho { 2057d9d0d56SLuca Coelho struct iwl_mvm_sta *mvmsta; 2067d9d0d56SLuca Coelho struct iwl_mvm_tcm_mac *mdata; 2077d9d0d56SLuca Coelho int mac; 2087d9d0d56SLuca Coelho int ac = IEEE80211_AC_BE; /* treat non-QoS as BE */ 209b0ffe455SJohannes Berg struct iwl_mvm_vif *mvmvif; 210b0ffe455SJohannes Berg /* expected throughput in 100Kbps, single stream, 20 MHz */ 211b0ffe455SJohannes Berg static const u8 thresh_tpt[] = { 212b0ffe455SJohannes Berg 9, 18, 30, 42, 60, 78, 90, 96, 120, 135, 213b0ffe455SJohannes Berg }; 214b0ffe455SJohannes Berg u16 thr; 2157d9d0d56SLuca Coelho 216*aedb2b38SAnjaneyulu if (ieee80211_is_data_qos(hdr->frame_control)) { 217*aedb2b38SAnjaneyulu u8 tid = ieee80211_get_tid(hdr); 218*aedb2b38SAnjaneyulu 219*aedb2b38SAnjaneyulu if (tid < IWL_MAX_TID_COUNT) 220*aedb2b38SAnjaneyulu ac = tid_to_mac80211_ac[tid]; 221*aedb2b38SAnjaneyulu } 2227d9d0d56SLuca Coelho 2237d9d0d56SLuca Coelho mvmsta = iwl_mvm_sta_from_mac80211(sta); 2247d9d0d56SLuca Coelho mac = mvmsta->mac_id_n_color & FW_CTXT_ID_MSK; 2257d9d0d56SLuca Coelho 2267d9d0d56SLuca Coelho if (time_after(jiffies, mvm->tcm.ts + MVM_TCM_PERIOD)) 2277d9d0d56SLuca Coelho schedule_delayed_work(&mvm->tcm.work, 0); 2287d9d0d56SLuca Coelho mdata = &mvm->tcm.data[mac]; 2297d9d0d56SLuca Coelho mdata->rx.pkts[ac]++; 2307d9d0d56SLuca Coelho 2317d9d0d56SLuca Coelho /* count the airtime only once for each ampdu */ 2327d9d0d56SLuca Coelho if (mdata->rx.last_ampdu_ref != mvm->ampdu_ref) { 2337d9d0d56SLuca Coelho mdata->rx.last_ampdu_ref = mvm->ampdu_ref; 2347d9d0d56SLuca Coelho mdata->rx.airtime += le16_to_cpu(phy_info->frame_time); 2357d9d0d56SLuca Coelho } 2367d9d0d56SLuca Coelho 23748c6ebc1SMiri Korenblit if (!(rate_n_flags & (RATE_MCS_HT_MSK_V1 | RATE_MCS_VHT_MSK_V1))) 2387d9d0d56SLuca Coelho return; 2397d9d0d56SLuca Coelho 240b0ffe455SJohannes Berg mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); 241b0ffe455SJohannes Berg 242b0ffe455SJohannes Berg if (mdata->opened_rx_ba_sessions || 243b0ffe455SJohannes Berg mdata->uapsd_nonagg_detect.detected || 244650cadb7SGregory Greenman (!mvmvif->deflink.queue_params[IEEE80211_AC_VO].uapsd && 245650cadb7SGregory Greenman !mvmvif->deflink.queue_params[IEEE80211_AC_VI].uapsd && 246650cadb7SGregory Greenman !mvmvif->deflink.queue_params[IEEE80211_AC_BE].uapsd && 247650cadb7SGregory Greenman !mvmvif->deflink.queue_params[IEEE80211_AC_BK].uapsd) || 248c8ee33e1SGregory Greenman mvmsta->deflink.sta_id != mvmvif->deflink.ap_sta_id) 249b0ffe455SJohannes Berg return; 250b0ffe455SJohannes Berg 25148c6ebc1SMiri Korenblit if (rate_n_flags & RATE_MCS_HT_MSK_V1) { 25248c6ebc1SMiri Korenblit thr = thresh_tpt[rate_n_flags & RATE_HT_MCS_RATE_CODE_MSK_V1]; 25348c6ebc1SMiri Korenblit thr *= 1 + ((rate_n_flags & RATE_HT_MCS_NSS_MSK_V1) >> 25448c6ebc1SMiri Korenblit RATE_HT_MCS_NSS_POS_V1); 255b0ffe455SJohannes Berg } else { 256b0ffe455SJohannes Berg if (WARN_ON((rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK) >= 257b0ffe455SJohannes Berg ARRAY_SIZE(thresh_tpt))) 258b0ffe455SJohannes Berg return; 259b0ffe455SJohannes Berg thr = thresh_tpt[rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK]; 260774302d2SMordechay Goodstein thr *= 1 + FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags); 261b0ffe455SJohannes Berg } 262b0ffe455SJohannes Berg 26348c6ebc1SMiri Korenblit thr <<= ((rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) >> 264b0ffe455SJohannes Berg RATE_MCS_CHAN_WIDTH_POS); 265b0ffe455SJohannes Berg 266b0ffe455SJohannes Berg mdata->uapsd_nonagg_detect.rx_bytes += len; 267b0ffe455SJohannes Berg ewma_rate_add(&mdata->uapsd_nonagg_detect.rate, thr); 2687d9d0d56SLuca Coelho } 2697d9d0d56SLuca Coelho 270e705c121SKalle Valo static void iwl_mvm_rx_csum(struct ieee80211_sta *sta, 271e705c121SKalle Valo struct sk_buff *skb, 272e705c121SKalle Valo u32 status) 273e705c121SKalle Valo { 274e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 275e705c121SKalle Valo struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); 276e705c121SKalle Valo 277e705c121SKalle Valo if (mvmvif->features & NETIF_F_RXCSUM && 278e705c121SKalle Valo status & RX_MPDU_RES_STATUS_CSUM_DONE && 279e705c121SKalle Valo status & RX_MPDU_RES_STATUS_CSUM_OK) 280e705c121SKalle Valo skb->ip_summed = CHECKSUM_UNNECESSARY; 281e705c121SKalle Valo } 282e705c121SKalle Valo 283e705c121SKalle Valo /* 284e705c121SKalle Valo * iwl_mvm_rx_rx_mpdu - REPLY_RX_MPDU_CMD handler 285e705c121SKalle Valo * 286e705c121SKalle Valo * Handles the actual data of the Rx packet from the fw 287e705c121SKalle Valo */ 288e705c121SKalle Valo void iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct napi_struct *napi, 289e705c121SKalle Valo struct iwl_rx_cmd_buffer *rxb) 290e705c121SKalle Valo { 291e705c121SKalle Valo struct ieee80211_hdr *hdr; 292e705c121SKalle Valo struct ieee80211_rx_status *rx_status; 293e705c121SKalle Valo struct iwl_rx_packet *pkt = rxb_addr(rxb); 294e705c121SKalle Valo struct iwl_rx_phy_info *phy_info; 295e705c121SKalle Valo struct iwl_rx_mpdu_res_start *rx_res; 296a399f980SJohannes Berg struct ieee80211_sta *sta = NULL; 297e705c121SKalle Valo struct sk_buff *skb; 298efc0ec5aSJohannes Berg u32 len, pkt_len = iwl_rx_packet_payload_len(pkt); 299e705c121SKalle Valo u32 rate_n_flags; 300e705c121SKalle Valo u32 rx_pkt_status; 301e705c121SKalle Valo u8 crypt_len = 0; 302e705c121SKalle Valo 303b8aba27cSJohannes Berg if (unlikely(pkt_len < sizeof(*rx_res))) { 304b8aba27cSJohannes Berg IWL_DEBUG_DROP(mvm, "Bad REPLY_RX_MPDU_CMD size\n"); 305b8aba27cSJohannes Berg return; 306b8aba27cSJohannes Berg } 307b8aba27cSJohannes Berg 308e705c121SKalle Valo phy_info = &mvm->last_phy_info; 309e705c121SKalle Valo rx_res = (struct iwl_rx_mpdu_res_start *)pkt->data; 310e705c121SKalle Valo hdr = (struct ieee80211_hdr *)(pkt->data + sizeof(*rx_res)); 311e705c121SKalle Valo len = le16_to_cpu(rx_res->byte_count); 312efc0ec5aSJohannes Berg 313efc0ec5aSJohannes Berg if (unlikely(len + sizeof(*rx_res) + sizeof(__le32) > pkt_len)) { 314efc0ec5aSJohannes Berg IWL_DEBUG_DROP(mvm, "FW lied about packet len\n"); 315efc0ec5aSJohannes Berg return; 316efc0ec5aSJohannes Berg } 317efc0ec5aSJohannes Berg 318c5aaa8beSWang Xuerui rx_pkt_status = get_unaligned_le32((__le32 *) 319e705c121SKalle Valo (pkt->data + sizeof(*rx_res) + len)); 320e705c121SKalle Valo 321e705c121SKalle Valo /* Dont use dev_alloc_skb(), we'll have enough headroom once 322e705c121SKalle Valo * ieee80211_hdr pulled. 323e705c121SKalle Valo */ 324e705c121SKalle Valo skb = alloc_skb(128, GFP_ATOMIC); 325e705c121SKalle Valo if (!skb) { 326e705c121SKalle Valo IWL_ERR(mvm, "alloc_skb failed\n"); 327e705c121SKalle Valo return; 328e705c121SKalle Valo } 329e705c121SKalle Valo 330e705c121SKalle Valo rx_status = IEEE80211_SKB_RXCB(skb); 331e705c121SKalle Valo 332e705c121SKalle Valo /* 333e705c121SKalle Valo * Keep packets with CRC errors (and with overrun) for monitor mode 334e705c121SKalle Valo * (otherwise the firmware discards them) but mark them as bad. 335e705c121SKalle Valo */ 336e705c121SKalle Valo if (!(rx_pkt_status & RX_MPDU_RES_STATUS_CRC_OK) || 337e705c121SKalle Valo !(rx_pkt_status & RX_MPDU_RES_STATUS_OVERRUN_OK)) { 338e705c121SKalle Valo IWL_DEBUG_RX(mvm, "Bad CRC or FIFO: 0x%08X.\n", rx_pkt_status); 339e705c121SKalle Valo rx_status->flag |= RX_FLAG_FAILED_FCS_CRC; 340e705c121SKalle Valo } 341e705c121SKalle Valo 342e705c121SKalle Valo /* This will be used in several places later */ 343e705c121SKalle Valo rate_n_flags = le32_to_cpu(phy_info->rate_n_flags); 344e705c121SKalle Valo 345e705c121SKalle Valo /* rx_status carries information about the packet to mac80211 */ 346e705c121SKalle Valo rx_status->mactime = le64_to_cpu(phy_info->timestamp); 347e705c121SKalle Valo rx_status->device_timestamp = le32_to_cpu(phy_info->system_timestamp); 348e705c121SKalle Valo rx_status->band = 349e705c121SKalle Valo (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ? 35057fbcce3SJohannes Berg NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; 351e705c121SKalle Valo rx_status->freq = 352e705c121SKalle Valo ieee80211_channel_to_frequency(le16_to_cpu(phy_info->channel), 353e705c121SKalle Valo rx_status->band); 35477fe7395SSara Sharon 35577fe7395SSara Sharon /* TSF as indicated by the firmware is at INA time */ 35677fe7395SSara Sharon rx_status->flag |= RX_FLAG_MACTIME_PLCP_START; 357e705c121SKalle Valo 358e705c121SKalle Valo iwl_mvm_get_signal_strength(mvm, phy_info, rx_status); 359e705c121SKalle Valo 360e705c121SKalle Valo IWL_DEBUG_STATS_LIMIT(mvm, "Rssi %d, TSF %llu\n", rx_status->signal, 361e705c121SKalle Valo (unsigned long long)rx_status->mactime); 362e705c121SKalle Valo 363e705c121SKalle Valo rcu_read_lock(); 364a399f980SJohannes Berg if (rx_pkt_status & RX_MPDU_RES_STATUS_SRC_STA_FOUND) { 365a399f980SJohannes Berg u32 id = rx_pkt_status & RX_MPDU_RES_STATUS_STA_ID_MSK; 366a399f980SJohannes Berg 367a399f980SJohannes Berg id >>= RX_MDPU_RES_STATUS_STA_ID_SHIFT; 368a399f980SJohannes Berg 369be9ae34eSNathan Errera if (!WARN_ON_ONCE(id >= mvm->fw->ucode_capa.num_stations)) { 370a399f980SJohannes Berg sta = rcu_dereference(mvm->fw_id_to_mac_id[id]); 371a399f980SJohannes Berg if (IS_ERR(sta)) 372a399f980SJohannes Berg sta = NULL; 373a399f980SJohannes Berg } 374a399f980SJohannes Berg } else if (!is_multicast_ether_addr(hdr->addr2)) { 375a399f980SJohannes Berg /* This is fine since we prevent two stations with the same 376a399f980SJohannes Berg * address from being added. 377e705c121SKalle Valo */ 378a399f980SJohannes Berg sta = ieee80211_find_sta_by_ifaddr(mvm->hw, hdr->addr2, NULL); 379e705c121SKalle Valo } 380e705c121SKalle Valo 381e705c121SKalle Valo if (sta) { 382e705c121SKalle Valo struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 383147eb05fSEmmanuel Grumbach struct ieee80211_vif *vif = mvmsta->vif; 384147eb05fSEmmanuel Grumbach struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 385147eb05fSEmmanuel Grumbach 386147eb05fSEmmanuel Grumbach /* 387147eb05fSEmmanuel Grumbach * Don't even try to decrypt a MCAST frame that was received 388147eb05fSEmmanuel Grumbach * before the managed vif is authorized, we'd fail anyway. 389147eb05fSEmmanuel Grumbach */ 3908e5a2636SAyala Beker if (is_multicast_ether_addr(hdr->addr1) && 3918e5a2636SAyala Beker vif->type == NL80211_IFTYPE_STATION && 392147eb05fSEmmanuel Grumbach !mvmvif->authorized && 3938e5a2636SAyala Beker ieee80211_has_protected(hdr->frame_control)) { 394147eb05fSEmmanuel Grumbach IWL_DEBUG_DROP(mvm, "MCAST before the vif is authorized\n"); 395147eb05fSEmmanuel Grumbach kfree_skb(skb); 396147eb05fSEmmanuel Grumbach rcu_read_unlock(); 397147eb05fSEmmanuel Grumbach return; 398147eb05fSEmmanuel Grumbach } 399147eb05fSEmmanuel Grumbach } 400147eb05fSEmmanuel Grumbach 401147eb05fSEmmanuel Grumbach /* 402147eb05fSEmmanuel Grumbach * drop the packet if it has failed being decrypted by HW 403147eb05fSEmmanuel Grumbach */ 404147eb05fSEmmanuel Grumbach if (iwl_mvm_set_mac80211_rx_flag(mvm, hdr, rx_status, rx_pkt_status, 405147eb05fSEmmanuel Grumbach &crypt_len)) { 406147eb05fSEmmanuel Grumbach IWL_DEBUG_DROP(mvm, "Bad decryption results 0x%08x\n", 407147eb05fSEmmanuel Grumbach rx_pkt_status); 408147eb05fSEmmanuel Grumbach kfree_skb(skb); 409147eb05fSEmmanuel Grumbach rcu_read_unlock(); 410147eb05fSEmmanuel Grumbach return; 411147eb05fSEmmanuel Grumbach } 412147eb05fSEmmanuel Grumbach 413147eb05fSEmmanuel Grumbach if (sta) { 414147eb05fSEmmanuel Grumbach struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 415d3a108a4SAndrei Otcheretianski struct ieee80211_vif *tx_blocked_vif = 416d3a108a4SAndrei Otcheretianski rcu_dereference(mvm->csa_tx_blocked_vif); 4176c042d75SSara Sharon struct iwl_fw_dbg_trigger_tlv *trig; 4186c042d75SSara Sharon struct ieee80211_vif *vif = mvmsta->vif; 419e705c121SKalle Valo 420a399f980SJohannes Berg /* We have tx blocked stations (with CS bit). If we heard 421a399f980SJohannes Berg * frames from a blocked station on a new channel we can 422a399f980SJohannes Berg * TX to it again. 423a399f980SJohannes Berg */ 4246c042d75SSara Sharon if (unlikely(tx_blocked_vif) && vif == tx_blocked_vif) { 425d3a108a4SAndrei Otcheretianski struct iwl_mvm_vif *mvmvif = 426d3a108a4SAndrei Otcheretianski iwl_mvm_vif_from_mac80211(tx_blocked_vif); 427d3a108a4SAndrei Otcheretianski 428d3a108a4SAndrei Otcheretianski if (mvmvif->csa_target_freq == rx_status->freq) 429d3a108a4SAndrei Otcheretianski iwl_mvm_sta_modify_disable_tx_ap(mvm, sta, 430d3a108a4SAndrei Otcheretianski false); 431d3a108a4SAndrei Otcheretianski } 432a399f980SJohannes Berg 433ecaf71deSGregory Greenman rs_update_last_rssi(mvm, mvmsta, rx_status); 434e705c121SKalle Valo 4356c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, 4366c042d75SSara Sharon ieee80211_vif_to_wdev(vif), 4376c042d75SSara Sharon FW_DBG_TRIGGER_RSSI); 4386c042d75SSara Sharon 4396c042d75SSara Sharon if (trig && ieee80211_is_beacon(hdr->frame_control)) { 440e705c121SKalle Valo struct iwl_fw_dbg_trigger_low_rssi *rssi_trig; 441e705c121SKalle Valo s32 rssi; 442e705c121SKalle Valo 443e705c121SKalle Valo rssi_trig = (void *)trig->data; 444e705c121SKalle Valo rssi = le32_to_cpu(rssi_trig->rssi); 445e705c121SKalle Valo 4466c042d75SSara Sharon if (rx_status->signal < rssi) 4477174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, 4487174beb6SJohannes Berg NULL); 449e705c121SKalle Valo } 450e705c121SKalle Valo 4517d9d0d56SLuca Coelho if (!mvm->tcm.paused && len >= sizeof(*hdr) && 4527d9d0d56SLuca Coelho !is_multicast_ether_addr(hdr->addr1) && 4537d9d0d56SLuca Coelho ieee80211_is_data(hdr->frame_control)) 4547d9d0d56SLuca Coelho iwl_mvm_rx_handle_tcm(mvm, sta, hdr, len, phy_info, 4557d9d0d56SLuca Coelho rate_n_flags); 4567d9d0d56SLuca Coelho 457a399f980SJohannes Berg if (ieee80211_is_data(hdr->frame_control)) 458e705c121SKalle Valo iwl_mvm_rx_csum(sta, skb, rx_pkt_status); 459a399f980SJohannes Berg } 460e705c121SKalle Valo rcu_read_unlock(); 461e705c121SKalle Valo 462e705c121SKalle Valo /* set the preamble flag if appropriate */ 463e705c121SKalle Valo if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_SHORT_PREAMBLE)) 4647fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE; 465e705c121SKalle Valo 466e705c121SKalle Valo if (phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_AGG)) { 467e705c121SKalle Valo /* 468e705c121SKalle Valo * We know which subframes of an A-MPDU belong 469e705c121SKalle Valo * together since we get a single PHY response 470e705c121SKalle Valo * from the firmware for all of them 471e705c121SKalle Valo */ 472e705c121SKalle Valo rx_status->flag |= RX_FLAG_AMPDU_DETAILS; 473e705c121SKalle Valo rx_status->ampdu_reference = mvm->ampdu_ref; 474e705c121SKalle Valo } 475e705c121SKalle Valo 476e705c121SKalle Valo /* Set up the HT phy flags */ 47748c6ebc1SMiri Korenblit switch (rate_n_flags & RATE_MCS_CHAN_WIDTH_MSK_V1) { 478e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_20: 479e705c121SKalle Valo break; 480e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_40: 481da6a4352SJohannes Berg rx_status->bw = RATE_INFO_BW_40; 482e705c121SKalle Valo break; 483e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_80: 484da6a4352SJohannes Berg rx_status->bw = RATE_INFO_BW_80; 485e705c121SKalle Valo break; 486e705c121SKalle Valo case RATE_MCS_CHAN_WIDTH_160: 487da6a4352SJohannes Berg rx_status->bw = RATE_INFO_BW_160; 488e705c121SKalle Valo break; 489e705c121SKalle Valo } 49048c6ebc1SMiri Korenblit if (!(rate_n_flags & RATE_MCS_CCK_MSK_V1) && 49148c6ebc1SMiri Korenblit rate_n_flags & RATE_MCS_SGI_MSK_V1) 4927fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; 493e705c121SKalle Valo if (rate_n_flags & RATE_HT_MCS_GF_MSK) 4947fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_HT_GF; 49548c6ebc1SMiri Korenblit if (rate_n_flags & RATE_MCS_LDPC_MSK_V1) 4967fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_LDPC; 49748c6ebc1SMiri Korenblit if (rate_n_flags & RATE_MCS_HT_MSK_V1) { 49877e40945SSara Sharon u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> 499e705c121SKalle Valo RATE_MCS_STBC_POS; 500da6a4352SJohannes Berg rx_status->encoding = RX_ENC_HT; 50148c6ebc1SMiri Korenblit rx_status->rate_idx = rate_n_flags & RATE_HT_MCS_INDEX_MSK_V1; 5027fdd69c5SJohannes Berg rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT; 50348c6ebc1SMiri Korenblit } else if (rate_n_flags & RATE_MCS_VHT_MSK_V1) { 50477e40945SSara Sharon u8 stbc = (rate_n_flags & RATE_MCS_STBC_MSK) >> 505e705c121SKalle Valo RATE_MCS_STBC_POS; 5068613c948SJohannes Berg rx_status->nss = 507774302d2SMordechay Goodstein FIELD_GET(RATE_MCS_NSS_MSK, rate_n_flags) + 1; 508e705c121SKalle Valo rx_status->rate_idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK; 509da6a4352SJohannes Berg rx_status->encoding = RX_ENC_VHT; 5107fdd69c5SJohannes Berg rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT; 511e705c121SKalle Valo if (rate_n_flags & RATE_MCS_BF_MSK) 5127fdd69c5SJohannes Berg rx_status->enc_flags |= RX_ENC_FLAG_BF; 513e705c121SKalle Valo } else { 514cb2de6bbSSara Sharon int rate = iwl_mvm_legacy_rate_to_mac80211_idx(rate_n_flags, 515e705c121SKalle Valo rx_status->band); 516cb2de6bbSSara Sharon 517cb2de6bbSSara Sharon if (WARN(rate < 0 || rate > 0xFF, 518cb2de6bbSSara Sharon "Invalid rate flags 0x%x, band %d,\n", 519cb2de6bbSSara Sharon rate_n_flags, rx_status->band)) { 520cb2de6bbSSara Sharon kfree_skb(skb); 521cb2de6bbSSara Sharon return; 522cb2de6bbSSara Sharon } 523cb2de6bbSSara Sharon rx_status->rate_idx = rate; 524e705c121SKalle Valo } 525e705c121SKalle Valo 526e705c121SKalle Valo #ifdef CONFIG_IWLWIFI_DEBUGFS 527e705c121SKalle Valo iwl_mvm_update_frame_stats(mvm, rate_n_flags, 528e705c121SKalle Valo rx_status->flag & RX_FLAG_AMPDU_DETAILS); 529e705c121SKalle Valo #endif 530a339e918SLuca Coelho 531a339e918SLuca Coelho if (unlikely((ieee80211_is_beacon(hdr->frame_control) || 532a339e918SLuca Coelho ieee80211_is_probe_resp(hdr->frame_control)) && 533a339e918SLuca Coelho mvm->sched_scan_pass_all == SCHED_SCAN_PASS_ALL_ENABLED)) 534a339e918SLuca Coelho mvm->sched_scan_pass_all = SCHED_SCAN_PASS_ALL_FOUND; 535a339e918SLuca Coelho 53643ec72b7SJohannes Berg if (unlikely(ieee80211_is_beacon(hdr->frame_control) || 53743ec72b7SJohannes Berg ieee80211_is_probe_resp(hdr->frame_control))) 5389285ec4cSJason A. Donenfeld rx_status->boottime_ns = ktime_get_boottime_ns(); 53943ec72b7SJohannes Berg 54043ec72b7SJohannes Berg iwl_mvm_pass_packet_to_mac80211(mvm, sta, napi, skb, hdr, len, 541bdbc58abSDan Carpenter crypt_len, rxb); 542e705c121SKalle Valo } 543e705c121SKalle Valo 544e705c121SKalle Valo struct iwl_mvm_stat_data { 545e705c121SKalle Valo struct iwl_mvm *mvm; 546290d5e49SMordechay Goodstein __le32 flags; 547e705c121SKalle Valo __le32 mac_id; 548e705c121SKalle Valo u8 beacon_filter_average_energy; 549853f4954SMordechay Goodstein __le32 *beacon_counter; 550853f4954SMordechay Goodstein u8 *beacon_average_energy; 551e705c121SKalle Valo }; 552e705c121SKalle Valo 5536324c173SMordechay Goodstein struct iwl_mvm_stat_data_all_macs { 5546324c173SMordechay Goodstein struct iwl_mvm *mvm; 5556324c173SMordechay Goodstein __le32 flags; 5566324c173SMordechay Goodstein struct iwl_statistics_ntfy_per_mac *per_mac_stats; 5576324c173SMordechay Goodstein }; 5586324c173SMordechay Goodstein 5596324c173SMordechay Goodstein static void iwl_mvm_update_vif_sig(struct ieee80211_vif *vif, int sig) 560e705c121SKalle Valo { 5616324c173SMordechay Goodstein struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 5626324c173SMordechay Goodstein struct iwl_mvm *mvm = mvmvif->mvm; 563e705c121SKalle Valo int thold = vif->bss_conf.cqm_rssi_thold; 564e705c121SKalle Valo int hyst = vif->bss_conf.cqm_rssi_hyst; 5656324c173SMordechay Goodstein int last_event; 566e705c121SKalle Valo 567e705c121SKalle Valo if (sig == 0) { 568e705c121SKalle Valo IWL_DEBUG_RX(mvm, "RSSI is 0 - skip signal based decision\n"); 569e705c121SKalle Valo return; 570e705c121SKalle Valo } 571e705c121SKalle Valo 572e705c121SKalle Valo mvmvif->bf_data.ave_beacon_signal = sig; 573e705c121SKalle Valo 574e705c121SKalle Valo /* BT Coex */ 575e705c121SKalle Valo if (mvmvif->bf_data.bt_coex_min_thold != 576e705c121SKalle Valo mvmvif->bf_data.bt_coex_max_thold) { 577e705c121SKalle Valo last_event = mvmvif->bf_data.last_bt_coex_event; 578e705c121SKalle Valo if (sig > mvmvif->bf_data.bt_coex_max_thold && 579e705c121SKalle Valo (last_event <= mvmvif->bf_data.bt_coex_min_thold || 580e705c121SKalle Valo last_event == 0)) { 581e705c121SKalle Valo mvmvif->bf_data.last_bt_coex_event = sig; 582e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator bt coex high %d\n", 583e705c121SKalle Valo sig); 584e705c121SKalle Valo iwl_mvm_bt_rssi_event(mvm, vif, RSSI_EVENT_HIGH); 585e705c121SKalle Valo } else if (sig < mvmvif->bf_data.bt_coex_min_thold && 586e705c121SKalle Valo (last_event >= mvmvif->bf_data.bt_coex_max_thold || 587e705c121SKalle Valo last_event == 0)) { 588e705c121SKalle Valo mvmvif->bf_data.last_bt_coex_event = sig; 589e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator bt coex low %d\n", 590e705c121SKalle Valo sig); 591e705c121SKalle Valo iwl_mvm_bt_rssi_event(mvm, vif, RSSI_EVENT_LOW); 592e705c121SKalle Valo } 593e705c121SKalle Valo } 594e705c121SKalle Valo 595e705c121SKalle Valo if (!(vif->driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)) 596e705c121SKalle Valo return; 597e705c121SKalle Valo 598e705c121SKalle Valo /* CQM Notification */ 599e705c121SKalle Valo last_event = mvmvif->bf_data.last_cqm_event; 600e705c121SKalle Valo if (thold && sig < thold && (last_event == 0 || 601e705c121SKalle Valo sig < last_event - hyst)) { 602e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = sig; 603e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator cqm low %d\n", 604e705c121SKalle Valo sig); 605e705c121SKalle Valo ieee80211_cqm_rssi_notify( 606e705c121SKalle Valo vif, 607e705c121SKalle Valo NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW, 608769f07d8SAndrzej Zaborowski sig, 609e705c121SKalle Valo GFP_KERNEL); 610e705c121SKalle Valo } else if (sig > thold && 611e705c121SKalle Valo (last_event == 0 || sig > last_event + hyst)) { 612e705c121SKalle Valo mvmvif->bf_data.last_cqm_event = sig; 613e705c121SKalle Valo IWL_DEBUG_RX(mvm, "cqm_iterator cqm high %d\n", 614e705c121SKalle Valo sig); 615e705c121SKalle Valo ieee80211_cqm_rssi_notify( 616e705c121SKalle Valo vif, 617e705c121SKalle Valo NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH, 618769f07d8SAndrzej Zaborowski sig, 619e705c121SKalle Valo GFP_KERNEL); 620e705c121SKalle Valo } 621e705c121SKalle Valo } 622e705c121SKalle Valo 6236324c173SMordechay Goodstein static void iwl_mvm_stat_iterator(void *_data, u8 *mac, 6246324c173SMordechay Goodstein struct ieee80211_vif *vif) 6256324c173SMordechay Goodstein { 6266324c173SMordechay Goodstein struct iwl_mvm_stat_data *data = _data; 6276324c173SMordechay Goodstein int sig = -data->beacon_filter_average_energy; 6286324c173SMordechay Goodstein u16 id = le32_to_cpu(data->mac_id); 6296324c173SMordechay Goodstein struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6306324c173SMordechay Goodstein u16 vif_id = mvmvif->id; 6316324c173SMordechay Goodstein 6326324c173SMordechay Goodstein /* This doesn't need the MAC ID check since it's not taking the 6336324c173SMordechay Goodstein * data copied into the "data" struct, but rather the data from 6346324c173SMordechay Goodstein * the notification directly. 6356324c173SMordechay Goodstein */ 636650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons = 6376324c173SMordechay Goodstein le32_to_cpu(data->beacon_counter[vif_id]); 638650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.avg_signal = 6396324c173SMordechay Goodstein -data->beacon_average_energy[vif_id]; 6406324c173SMordechay Goodstein 6416324c173SMordechay Goodstein if (mvmvif->id != id) 6426324c173SMordechay Goodstein return; 6436324c173SMordechay Goodstein 6446324c173SMordechay Goodstein if (vif->type != NL80211_IFTYPE_STATION) 6456324c173SMordechay Goodstein return; 6466324c173SMordechay Goodstein 6476324c173SMordechay Goodstein /* make sure that beacon statistics don't go backwards with TCM 6486324c173SMordechay Goodstein * request to clear statistics 6496324c173SMordechay Goodstein */ 6506324c173SMordechay Goodstein if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR) 651650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons += 652650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons; 6536324c173SMordechay Goodstein 6546324c173SMordechay Goodstein iwl_mvm_update_vif_sig(vif, sig); 6556324c173SMordechay Goodstein } 6566324c173SMordechay Goodstein 6576324c173SMordechay Goodstein static void iwl_mvm_stat_iterator_all_macs(void *_data, u8 *mac, 6586324c173SMordechay Goodstein struct ieee80211_vif *vif) 6596324c173SMordechay Goodstein { 6606324c173SMordechay Goodstein struct iwl_mvm_stat_data_all_macs *data = _data; 6616324c173SMordechay Goodstein struct iwl_statistics_ntfy_per_mac *mac_stats; 6626324c173SMordechay Goodstein int sig; 6636324c173SMordechay Goodstein struct iwl_mvm_vif *mvmvif = iwl_mvm_vif_from_mac80211(vif); 6646324c173SMordechay Goodstein u16 vif_id = mvmvif->id; 6656324c173SMordechay Goodstein 666f1cbb0a8SDan Carpenter if (WARN_ONCE(vif_id >= MAC_INDEX_AUX, "invalid vif id: %d", vif_id)) 6676324c173SMordechay Goodstein return; 6686324c173SMordechay Goodstein 6696324c173SMordechay Goodstein if (vif->type != NL80211_IFTYPE_STATION) 6706324c173SMordechay Goodstein return; 6716324c173SMordechay Goodstein 6726324c173SMordechay Goodstein mac_stats = &data->per_mac_stats[vif_id]; 6736324c173SMordechay Goodstein 674650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons = 6756324c173SMordechay Goodstein le32_to_cpu(mac_stats->beacon_counter); 676650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.avg_signal = 6776324c173SMordechay Goodstein -le32_to_cpu(mac_stats->beacon_average_energy); 6786324c173SMordechay Goodstein 6796324c173SMordechay Goodstein /* make sure that beacon statistics don't go backwards with TCM 6806324c173SMordechay Goodstein * request to clear statistics 6816324c173SMordechay Goodstein */ 6826324c173SMordechay Goodstein if (le32_to_cpu(data->flags) & IWL_STATISTICS_REPLY_FLG_CLEAR) 683650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.accu_num_beacons += 684650cadb7SGregory Greenman mvmvif->deflink.beacon_stats.num_beacons; 6856324c173SMordechay Goodstein 6866324c173SMordechay Goodstein sig = -le32_to_cpu(mac_stats->beacon_filter_average_energy); 6876324c173SMordechay Goodstein iwl_mvm_update_vif_sig(vif, sig); 6886324c173SMordechay Goodstein } 6896324c173SMordechay Goodstein 690e705c121SKalle Valo static inline void 691e705c121SKalle Valo iwl_mvm_rx_stats_check_trigger(struct iwl_mvm *mvm, struct iwl_rx_packet *pkt) 692e705c121SKalle Valo { 693e705c121SKalle Valo struct iwl_fw_dbg_trigger_tlv *trig; 694e705c121SKalle Valo struct iwl_fw_dbg_trigger_stats *trig_stats; 695e705c121SKalle Valo u32 trig_offset, trig_thold; 696e705c121SKalle Valo 6976c042d75SSara Sharon trig = iwl_fw_dbg_trigger_on(&mvm->fwrt, NULL, FW_DBG_TRIGGER_STATS); 6986c042d75SSara Sharon if (!trig) 699e705c121SKalle Valo return; 700e705c121SKalle Valo 701e705c121SKalle Valo trig_stats = (void *)trig->data; 702e705c121SKalle Valo 703e705c121SKalle Valo trig_offset = le32_to_cpu(trig_stats->stop_offset); 704e705c121SKalle Valo trig_thold = le32_to_cpu(trig_stats->stop_threshold); 705e705c121SKalle Valo 706e705c121SKalle Valo if (WARN_ON_ONCE(trig_offset >= iwl_rx_packet_payload_len(pkt))) 707e705c121SKalle Valo return; 708e705c121SKalle Valo 709e705c121SKalle Valo if (le32_to_cpup((__le32 *) (pkt->data + trig_offset)) < trig_thold) 710e705c121SKalle Valo return; 711e705c121SKalle Valo 7127174beb6SJohannes Berg iwl_fw_dbg_collect_trig(&mvm->fwrt, trig, NULL); 713e705c121SKalle Valo } 714e705c121SKalle Valo 715c6bae216SMordechay Goodstein static void iwl_mvm_stats_energy_iter(void *_data, 716c6bae216SMordechay Goodstein struct ieee80211_sta *sta) 717853f4954SMordechay Goodstein { 718c6bae216SMordechay Goodstein struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); 719c6bae216SMordechay Goodstein u8 *energy = _data; 720c8ee33e1SGregory Greenman u32 sta_id = mvmsta->deflink.sta_id; 721853f4954SMordechay Goodstein 722c6bae216SMordechay Goodstein if (WARN_ONCE(sta_id >= IWL_MVM_STATION_COUNT_MAX, "sta_id %d >= %d", 723c6bae216SMordechay Goodstein sta_id, IWL_MVM_STATION_COUNT_MAX)) 724853f4954SMordechay Goodstein return; 725853f4954SMordechay Goodstein 726c6bae216SMordechay Goodstein if (energy[sta_id]) 727c8ee33e1SGregory Greenman mvmsta->deflink.avg_energy = energy[sta_id]; 728853f4954SMordechay Goodstein 729853f4954SMordechay Goodstein } 730853f4954SMordechay Goodstein 731853f4954SMordechay Goodstein static void 732853f4954SMordechay Goodstein iwl_mvm_update_tcm_from_stats(struct iwl_mvm *mvm, __le32 *air_time_le, 733853f4954SMordechay Goodstein __le32 *rx_bytes_le) 734853f4954SMordechay Goodstein { 735853f4954SMordechay Goodstein int i; 736853f4954SMordechay Goodstein 737853f4954SMordechay Goodstein spin_lock(&mvm->tcm.lock); 738853f4954SMordechay Goodstein for (i = 0; i < NUM_MAC_INDEX_DRIVER; i++) { 739853f4954SMordechay Goodstein struct iwl_mvm_tcm_mac *mdata = &mvm->tcm.data[i]; 740853f4954SMordechay Goodstein u32 rx_bytes = le32_to_cpu(rx_bytes_le[i]); 741853f4954SMordechay Goodstein u32 airtime = le32_to_cpu(air_time_le[i]); 742853f4954SMordechay Goodstein 743853f4954SMordechay Goodstein mdata->rx.airtime += airtime; 744853f4954SMordechay Goodstein mdata->uapsd_nonagg_detect.rx_bytes += rx_bytes; 745853f4954SMordechay Goodstein if (airtime) { 746853f4954SMordechay Goodstein /* re-init every time to store rate from FW */ 747853f4954SMordechay Goodstein ewma_rate_init(&mdata->uapsd_nonagg_detect.rate); 748853f4954SMordechay Goodstein ewma_rate_add(&mdata->uapsd_nonagg_detect.rate, 749853f4954SMordechay Goodstein rx_bytes * 8 / airtime); 750853f4954SMordechay Goodstein } 751853f4954SMordechay Goodstein } 752853f4954SMordechay Goodstein spin_unlock(&mvm->tcm.lock); 753853f4954SMordechay Goodstein } 754853f4954SMordechay Goodstein 755853f4954SMordechay Goodstein static void 7566324c173SMordechay Goodstein iwl_mvm_stats_ver_15(struct iwl_mvm *mvm, 7576324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy *stats) 7586324c173SMordechay Goodstein { 7596324c173SMordechay Goodstein struct iwl_mvm_stat_data_all_macs data = { 7606324c173SMordechay Goodstein .mvm = mvm, 7616324c173SMordechay Goodstein .flags = stats->flags, 7626324c173SMordechay Goodstein .per_mac_stats = stats->per_mac_stats, 7636324c173SMordechay Goodstein }; 7646324c173SMordechay Goodstein 7656324c173SMordechay Goodstein ieee80211_iterate_active_interfaces(mvm->hw, 7666324c173SMordechay Goodstein IEEE80211_IFACE_ITER_NORMAL, 7676324c173SMordechay Goodstein iwl_mvm_stat_iterator_all_macs, 7686324c173SMordechay Goodstein &data); 7696324c173SMordechay Goodstein } 7706324c173SMordechay Goodstein 7716324c173SMordechay Goodstein static void 7726324c173SMordechay Goodstein iwl_mvm_stats_ver_14(struct iwl_mvm *mvm, 7736324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy_ver_14 *stats) 774853f4954SMordechay Goodstein { 775853f4954SMordechay Goodstein struct iwl_mvm_stat_data data = { 776853f4954SMordechay Goodstein .mvm = mvm, 777853f4954SMordechay Goodstein }; 7786324c173SMordechay Goodstein 779853f4954SMordechay Goodstein u8 beacon_average_energy[MAC_INDEX_AUX]; 780853f4954SMordechay Goodstein __le32 flags; 781853f4954SMordechay Goodstein int i; 782853f4954SMordechay Goodstein 783853f4954SMordechay Goodstein flags = stats->flags; 784853f4954SMordechay Goodstein 785853f4954SMordechay Goodstein data.mac_id = stats->mac_id; 786853f4954SMordechay Goodstein data.beacon_filter_average_energy = 787853f4954SMordechay Goodstein le32_to_cpu(stats->beacon_filter_average_energy); 788853f4954SMordechay Goodstein data.flags = flags; 789853f4954SMordechay Goodstein data.beacon_counter = stats->beacon_counter; 7906324c173SMordechay Goodstein 791853f4954SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(beacon_average_energy); i++) 792853f4954SMordechay Goodstein beacon_average_energy[i] = 793853f4954SMordechay Goodstein le32_to_cpu(stats->beacon_average_energy[i]); 794853f4954SMordechay Goodstein 795853f4954SMordechay Goodstein data.beacon_average_energy = beacon_average_energy; 796853f4954SMordechay Goodstein 797853f4954SMordechay Goodstein ieee80211_iterate_active_interfaces(mvm->hw, 798853f4954SMordechay Goodstein IEEE80211_IFACE_ITER_NORMAL, 799853f4954SMordechay Goodstein iwl_mvm_stat_iterator, 800853f4954SMordechay Goodstein &data); 8016324c173SMordechay Goodstein } 8026324c173SMordechay Goodstein 8036324c173SMordechay Goodstein static bool iwl_mvm_verify_stats_len(struct iwl_mvm *mvm, 8046324c173SMordechay Goodstein struct iwl_rx_packet *pkt, 8056324c173SMordechay Goodstein u32 expected_size) 8066324c173SMordechay Goodstein { 8076324c173SMordechay Goodstein struct iwl_statistics_ntfy_hdr *hdr; 8086324c173SMordechay Goodstein 8096324c173SMordechay Goodstein if (WARN_ONCE(iwl_rx_packet_payload_len(pkt) < expected_size, 8106324c173SMordechay Goodstein "received invalid statistics size (%d)!, expected_size: %d\n", 8116324c173SMordechay Goodstein iwl_rx_packet_payload_len(pkt), expected_size)) 8126324c173SMordechay Goodstein return false; 8136324c173SMordechay Goodstein 8146324c173SMordechay Goodstein hdr = (void *)&pkt->data; 8156324c173SMordechay Goodstein 8166324c173SMordechay Goodstein if (WARN_ONCE((hdr->type & IWL_STATISTICS_TYPE_MSK) != FW_STATISTICS_OPERATIONAL || 8176324c173SMordechay Goodstein hdr->version != 8186324c173SMordechay Goodstein iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, STATISTICS_NOTIFICATION, 0), 8196324c173SMordechay Goodstein "received unsupported hdr type %d, version %d\n", 8206324c173SMordechay Goodstein hdr->type, hdr->version)) 8216324c173SMordechay Goodstein return false; 8226324c173SMordechay Goodstein 8236324c173SMordechay Goodstein if (WARN_ONCE(le16_to_cpu(hdr->size) != expected_size, 8246324c173SMordechay Goodstein "received invalid statistics size in header (%d)!, expected_size: %d\n", 8256324c173SMordechay Goodstein le16_to_cpu(hdr->size), expected_size)) 8266324c173SMordechay Goodstein return false; 8276324c173SMordechay Goodstein 8286324c173SMordechay Goodstein return true; 8296324c173SMordechay Goodstein } 8306324c173SMordechay Goodstein 8316324c173SMordechay Goodstein static void 8326324c173SMordechay Goodstein iwl_mvm_handle_rx_statistics_tlv(struct iwl_mvm *mvm, 8336324c173SMordechay Goodstein struct iwl_rx_packet *pkt) 8346324c173SMordechay Goodstein { 8356324c173SMordechay Goodstein u8 average_energy[IWL_MVM_STATION_COUNT_MAX]; 8366324c173SMordechay Goodstein __le32 air_time[MAC_INDEX_AUX]; 8376324c173SMordechay Goodstein __le32 rx_bytes[MAC_INDEX_AUX]; 8386324c173SMordechay Goodstein __le32 flags = 0; 8396324c173SMordechay Goodstein int i; 8406324c173SMordechay Goodstein u32 notif_ver = iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 8416324c173SMordechay Goodstein STATISTICS_NOTIFICATION, 0); 8426324c173SMordechay Goodstein 8436324c173SMordechay Goodstein if (WARN_ONCE(notif_ver > 15, 8446324c173SMordechay Goodstein "invalid statistics version id: %d\n", notif_ver)) 8456324c173SMordechay Goodstein return; 8466324c173SMordechay Goodstein 8476324c173SMordechay Goodstein if (notif_ver == 14) { 8486324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy_ver_14 *stats = 8496324c173SMordechay Goodstein (void *)pkt->data; 8506324c173SMordechay Goodstein 8516324c173SMordechay Goodstein if (!iwl_mvm_verify_stats_len(mvm, pkt, sizeof(*stats))) 8526324c173SMordechay Goodstein return; 8536324c173SMordechay Goodstein 8546324c173SMordechay Goodstein iwl_mvm_stats_ver_14(mvm, stats); 8556324c173SMordechay Goodstein 8566324c173SMordechay Goodstein flags = stats->flags; 8576324c173SMordechay Goodstein mvm->radio_stats.rx_time = le64_to_cpu(stats->rx_time); 8586324c173SMordechay Goodstein mvm->radio_stats.tx_time = le64_to_cpu(stats->tx_time); 8596324c173SMordechay Goodstein mvm->radio_stats.on_time_rf = le64_to_cpu(stats->on_time_rf); 8606324c173SMordechay Goodstein mvm->radio_stats.on_time_scan = 8616324c173SMordechay Goodstein le64_to_cpu(stats->on_time_scan); 862853f4954SMordechay Goodstein 863853f4954SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(average_energy); i++) 864853f4954SMordechay Goodstein average_energy[i] = le32_to_cpu(stats->average_energy[i]); 8656324c173SMordechay Goodstein 8666324c173SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(air_time); i++) { 8676324c173SMordechay Goodstein air_time[i] = stats->air_time[i]; 8686324c173SMordechay Goodstein rx_bytes[i] = stats->rx_bytes[i]; 8696324c173SMordechay Goodstein } 8706324c173SMordechay Goodstein } 8716324c173SMordechay Goodstein 8726324c173SMordechay Goodstein if (notif_ver == 15) { 8736324c173SMordechay Goodstein struct iwl_statistics_operational_ntfy *stats = 8746324c173SMordechay Goodstein (void *)pkt->data; 8756324c173SMordechay Goodstein 8766324c173SMordechay Goodstein if (!iwl_mvm_verify_stats_len(mvm, pkt, sizeof(*stats))) 8776324c173SMordechay Goodstein return; 8786324c173SMordechay Goodstein 8796324c173SMordechay Goodstein iwl_mvm_stats_ver_15(mvm, stats); 8806324c173SMordechay Goodstein 8816324c173SMordechay Goodstein flags = stats->flags; 8826324c173SMordechay Goodstein mvm->radio_stats.rx_time = le64_to_cpu(stats->rx_time); 8836324c173SMordechay Goodstein mvm->radio_stats.tx_time = le64_to_cpu(stats->tx_time); 8846324c173SMordechay Goodstein mvm->radio_stats.on_time_rf = le64_to_cpu(stats->on_time_rf); 8856324c173SMordechay Goodstein mvm->radio_stats.on_time_scan = 8866324c173SMordechay Goodstein le64_to_cpu(stats->on_time_scan); 8876324c173SMordechay Goodstein 8886324c173SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(average_energy); i++) 8896324c173SMordechay Goodstein average_energy[i] = 8906324c173SMordechay Goodstein le32_to_cpu(stats->per_sta_stats[i].average_energy); 8916324c173SMordechay Goodstein 8926324c173SMordechay Goodstein for (i = 0; i < ARRAY_SIZE(air_time); i++) { 8936324c173SMordechay Goodstein air_time[i] = stats->per_mac_stats[i].air_time; 8946324c173SMordechay Goodstein rx_bytes[i] = stats->per_mac_stats[i].rx_bytes; 8956324c173SMordechay Goodstein } 8966324c173SMordechay Goodstein } 8976324c173SMordechay Goodstein 8986324c173SMordechay Goodstein iwl_mvm_rx_stats_check_trigger(mvm, pkt); 8996324c173SMordechay Goodstein 900c6bae216SMordechay Goodstein ieee80211_iterate_stations_atomic(mvm->hw, iwl_mvm_stats_energy_iter, 901c6bae216SMordechay Goodstein average_energy); 902853f4954SMordechay Goodstein /* 903853f4954SMordechay Goodstein * Don't update in case the statistics are not cleared, since 904853f4954SMordechay Goodstein * we will end up counting twice the same airtime, once in TCM 905853f4954SMordechay Goodstein * request and once in statistics notification. 906853f4954SMordechay Goodstein */ 907853f4954SMordechay Goodstein if (le32_to_cpu(flags) & IWL_STATISTICS_REPLY_FLG_CLEAR) 9086324c173SMordechay Goodstein iwl_mvm_update_tcm_from_stats(mvm, air_time, rx_bytes); 909853f4954SMordechay Goodstein } 910853f4954SMordechay Goodstein 911e705c121SKalle Valo void iwl_mvm_handle_rx_statistics(struct iwl_mvm *mvm, 912e705c121SKalle Valo struct iwl_rx_packet *pkt) 913e705c121SKalle Valo { 914e705c121SKalle Valo struct iwl_mvm_stat_data data = { 915e705c121SKalle Valo .mvm = mvm, 916e705c121SKalle Valo }; 917853f4954SMordechay Goodstein __le32 *bytes, *air_time, flags; 9180e7ac018SSara Sharon int expected_size; 919cfbeb598SGoodstein, Mordechay u8 *energy; 920853f4954SMordechay Goodstein 921853f4954SMordechay Goodstein /* From ver 14 and up we use TLV statistics format */ 9226324c173SMordechay Goodstein if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, 9236324c173SMordechay Goodstein STATISTICS_NOTIFICATION, 0) >= 14) 924853f4954SMordechay Goodstein return iwl_mvm_handle_rx_statistics_tlv(mvm, pkt); 9250e7ac018SSara Sharon 926678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 927678d9b6dSLiad Kaufman if (iwl_mvm_has_new_rx_api(mvm)) 9280e7ac018SSara Sharon expected_size = sizeof(struct iwl_notif_statistics_v11); 9290e7ac018SSara Sharon else 9300e7ac018SSara Sharon expected_size = sizeof(struct iwl_notif_statistics_v10); 931678d9b6dSLiad Kaufman } else { 932606b9ab6SEmmanuel Grumbach expected_size = sizeof(struct iwl_notif_statistics); 933678d9b6dSLiad Kaufman } 934e705c121SKalle Valo 93542fa5e0eSJohannes Berg if (WARN_ONCE(iwl_rx_packet_payload_len(pkt) != expected_size, 93642fa5e0eSJohannes Berg "received invalid statistics size (%d)!\n", 93742fa5e0eSJohannes Berg iwl_rx_packet_payload_len(pkt))) 9386a90f85aSLuca Coelho return; 939e705c121SKalle Valo 940678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 941678d9b6dSLiad Kaufman struct iwl_notif_statistics_v11 *stats = (void *)&pkt->data; 942678d9b6dSLiad Kaufman 943e705c121SKalle Valo data.mac_id = stats->rx.general.mac_id; 944e705c121SKalle Valo data.beacon_filter_average_energy = 9450e7ac018SSara Sharon stats->general.common.beacon_filter_average_energy; 946e705c121SKalle Valo 947678d9b6dSLiad Kaufman mvm->rx_stats_v3 = stats->rx; 948e705c121SKalle Valo 949678d9b6dSLiad Kaufman mvm->radio_stats.rx_time = 950678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.rx_time); 951678d9b6dSLiad Kaufman mvm->radio_stats.tx_time = 952678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.tx_time); 953e705c121SKalle Valo mvm->radio_stats.on_time_rf = 9540e7ac018SSara Sharon le64_to_cpu(stats->general.common.on_time_rf); 955e705c121SKalle Valo mvm->radio_stats.on_time_scan = 9560e7ac018SSara Sharon le64_to_cpu(stats->general.common.on_time_scan); 957e705c121SKalle Valo 958853f4954SMordechay Goodstein data.beacon_counter = stats->general.beacon_counter; 959853f4954SMordechay Goodstein data.beacon_average_energy = 960853f4954SMordechay Goodstein stats->general.beacon_average_energy; 961678d9b6dSLiad Kaufman flags = stats->flag; 962678d9b6dSLiad Kaufman } else { 963606b9ab6SEmmanuel Grumbach struct iwl_notif_statistics *stats = (void *)&pkt->data; 964678d9b6dSLiad Kaufman 965678d9b6dSLiad Kaufman data.mac_id = stats->rx.general.mac_id; 966678d9b6dSLiad Kaufman data.beacon_filter_average_energy = 967678d9b6dSLiad Kaufman stats->general.common.beacon_filter_average_energy; 968678d9b6dSLiad Kaufman 969678d9b6dSLiad Kaufman mvm->rx_stats = stats->rx; 970678d9b6dSLiad Kaufman 971678d9b6dSLiad Kaufman mvm->radio_stats.rx_time = 972678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.rx_time); 973678d9b6dSLiad Kaufman mvm->radio_stats.tx_time = 974678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.tx_time); 975678d9b6dSLiad Kaufman mvm->radio_stats.on_time_rf = 976678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.on_time_rf); 977678d9b6dSLiad Kaufman mvm->radio_stats.on_time_scan = 978678d9b6dSLiad Kaufman le64_to_cpu(stats->general.common.on_time_scan); 979678d9b6dSLiad Kaufman 980853f4954SMordechay Goodstein data.beacon_counter = stats->general.beacon_counter; 981853f4954SMordechay Goodstein data.beacon_average_energy = 982853f4954SMordechay Goodstein stats->general.beacon_average_energy; 983678d9b6dSLiad Kaufman flags = stats->flag; 984678d9b6dSLiad Kaufman } 985290d5e49SMordechay Goodstein data.flags = flags; 986678d9b6dSLiad Kaufman 987cfbeb598SGoodstein, Mordechay iwl_mvm_rx_stats_check_trigger(mvm, pkt); 988cfbeb598SGoodstein, Mordechay 989cfbeb598SGoodstein, Mordechay ieee80211_iterate_active_interfaces(mvm->hw, 990cfbeb598SGoodstein, Mordechay IEEE80211_IFACE_ITER_NORMAL, 991cfbeb598SGoodstein, Mordechay iwl_mvm_stat_iterator, 992cfbeb598SGoodstein, Mordechay &data); 993cfbeb598SGoodstein, Mordechay 994cfbeb598SGoodstein, Mordechay if (!iwl_mvm_has_new_rx_api(mvm)) 995cfbeb598SGoodstein, Mordechay return; 996988b5968SSara Sharon 997678d9b6dSLiad Kaufman if (!iwl_mvm_has_new_rx_stats_api(mvm)) { 998678d9b6dSLiad Kaufman struct iwl_notif_statistics_v11 *v11 = (void *)&pkt->data; 9990e7ac018SSara Sharon 10000e7ac018SSara Sharon energy = (void *)&v11->load_stats.avg_energy; 1001b0ffe455SJohannes Berg bytes = (void *)&v11->load_stats.byte_count; 10020e7ac018SSara Sharon air_time = (void *)&v11->load_stats.air_time; 10030e7ac018SSara Sharon } else { 1004606b9ab6SEmmanuel Grumbach struct iwl_notif_statistics *stats = (void *)&pkt->data; 1005678d9b6dSLiad Kaufman 10060e7ac018SSara Sharon energy = (void *)&stats->load_stats.avg_energy; 1007b0ffe455SJohannes Berg bytes = (void *)&stats->load_stats.byte_count; 10080e7ac018SSara Sharon air_time = (void *)&stats->load_stats.air_time; 10090e7ac018SSara Sharon } 1010c6bae216SMordechay Goodstein ieee80211_iterate_stations_atomic(mvm->hw, iwl_mvm_stats_energy_iter, 1011c6bae216SMordechay Goodstein energy); 10127d9d0d56SLuca Coelho 10137d9d0d56SLuca Coelho /* 10147d9d0d56SLuca Coelho * Don't update in case the statistics are not cleared, since 10157d9d0d56SLuca Coelho * we will end up counting twice the same airtime, once in TCM 10167d9d0d56SLuca Coelho * request and once in statistics notification. 10177d9d0d56SLuca Coelho */ 1018853f4954SMordechay Goodstein if (le32_to_cpu(flags) & IWL_STATISTICS_REPLY_FLG_CLEAR) 1019853f4954SMordechay Goodstein iwl_mvm_update_tcm_from_stats(mvm, air_time, bytes); 10207d9d0d56SLuca Coelho 1021e705c121SKalle Valo } 1022e705c121SKalle Valo 1023e705c121SKalle Valo void iwl_mvm_rx_statistics(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) 1024e705c121SKalle Valo { 1025e705c121SKalle Valo iwl_mvm_handle_rx_statistics(mvm, rxb_addr(rxb)); 1026e705c121SKalle Valo } 10273af512d6SSara Sharon 10283af512d6SSara Sharon void iwl_mvm_window_status_notif(struct iwl_mvm *mvm, 10293af512d6SSara Sharon struct iwl_rx_cmd_buffer *rxb) 10303af512d6SSara Sharon { 10313af512d6SSara Sharon struct iwl_rx_packet *pkt = rxb_addr(rxb); 10323af512d6SSara Sharon struct iwl_ba_window_status_notif *notif = (void *)pkt->data; 10333af512d6SSara Sharon int i; 10343af512d6SSara Sharon 1035afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->ra_tid) != BA_WINDOW_STREAMS_MAX); 1036afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->mpdu_rx_count) != BA_WINDOW_STREAMS_MAX); 1037afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->bitmap) != BA_WINDOW_STREAMS_MAX); 1038afc857bcSJohannes Berg BUILD_BUG_ON(ARRAY_SIZE(notif->start_seq_num) != BA_WINDOW_STREAMS_MAX); 10393af512d6SSara Sharon 10403af512d6SSara Sharon rcu_read_lock(); 10413af512d6SSara Sharon for (i = 0; i < BA_WINDOW_STREAMS_MAX; i++) { 10423af512d6SSara Sharon struct ieee80211_sta *sta; 10433af512d6SSara Sharon u8 sta_id, tid; 10443af512d6SSara Sharon u64 bitmap; 10453af512d6SSara Sharon u32 ssn; 10463af512d6SSara Sharon u16 ratid; 10473af512d6SSara Sharon u16 received_mpdu; 10483af512d6SSara Sharon 10493af512d6SSara Sharon ratid = le16_to_cpu(notif->ra_tid[i]); 10503af512d6SSara Sharon /* check that this TID is valid */ 10513af512d6SSara Sharon if (!(ratid & BA_WINDOW_STATUS_VALID_MSK)) 10523af512d6SSara Sharon continue; 10533af512d6SSara Sharon 10543af512d6SSara Sharon received_mpdu = le16_to_cpu(notif->mpdu_rx_count[i]); 10553af512d6SSara Sharon if (received_mpdu == 0) 10563af512d6SSara Sharon continue; 10573af512d6SSara Sharon 10583af512d6SSara Sharon tid = ratid & BA_WINDOW_STATUS_TID_MSK; 10593af512d6SSara Sharon /* get the station */ 10603af512d6SSara Sharon sta_id = (ratid & BA_WINDOW_STATUS_STA_ID_MSK) 10613af512d6SSara Sharon >> BA_WINDOW_STATUS_STA_ID_POS; 10623af512d6SSara Sharon sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); 10633af512d6SSara Sharon if (IS_ERR_OR_NULL(sta)) 10643af512d6SSara Sharon continue; 10653af512d6SSara Sharon bitmap = le64_to_cpu(notif->bitmap[i]); 10663af512d6SSara Sharon ssn = le32_to_cpu(notif->start_seq_num[i]); 10673af512d6SSara Sharon 10683af512d6SSara Sharon /* update mac80211 with the bitmap for the reordering buffer */ 10693af512d6SSara Sharon ieee80211_mark_rx_ba_filtered_frames(sta, tid, ssn, bitmap, 10703af512d6SSara Sharon received_mpdu); 10713af512d6SSara Sharon } 10723af512d6SSara Sharon rcu_read_unlock(); 10733af512d6SSara Sharon } 1074