diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 694 |
1 files changed, 260 insertions, 434 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 8d1e44fd9de7..d35c63a673b6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2012-2014, 2018-2023 Intel Corporation + * Copyright (C) 2012-2014, 2018-2025 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -171,7 +171,7 @@ static int iwl_mvm_create_skb(struct iwl_mvm *mvm, struct sk_buff *skb, shdr->type != htons(ETH_P_PAE) && shdr->type != htons(ETH_P_TDLS)))) skb->ip_summed = CHECKSUM_NONE; - else if (mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_BZ) + else if (mvm->trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_BZ) /* mac80211 assumes full CSUM including SNAP header */ skb_postpush_rcsum(skb, shdr, sizeof(*shdr)); } @@ -236,31 +236,72 @@ static void iwl_mvm_add_rtap_sniffer_config(struct iwl_mvm *mvm, static void iwl_mvm_pass_packet_to_mac80211(struct iwl_mvm *mvm, struct napi_struct *napi, struct sk_buff *skb, int queue, - struct ieee80211_sta *sta, - struct ieee80211_link_sta *link_sta) + struct ieee80211_sta *sta) { if (unlikely(iwl_mvm_check_pn(mvm, skb, queue, sta))) { kfree_skb(skb); return; } - if (sta && sta->valid_links && link_sta) { - struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); + ieee80211_rx_napi(mvm->hw, sta, skb, napi); +} - rx_status->link_valid = 1; - rx_status->link_id = link_sta->link_id; - } +static bool iwl_mvm_used_average_energy(struct iwl_mvm *mvm, + struct iwl_rx_mpdu_desc *desc, + struct ieee80211_hdr *hdr, + struct ieee80211_rx_status *rx_status) +{ + struct iwl_mvm_vif *mvm_vif; + struct ieee80211_vif *vif; + u32 id; - ieee80211_rx_napi(mvm->hw, sta, skb, napi); + if (unlikely(!hdr || !desc)) + return false; + + if (likely(!ieee80211_is_beacon(hdr->frame_control))) + return false; + + /* for the link conf lookup */ + guard(rcu)(); + + /* MAC or link ID depending on FW, but driver has them equal */ + id = u8_get_bits(desc->mac_phy_band, + IWL_RX_MPDU_MAC_PHY_BAND_MAC_MASK); + + /* >= means AUX MAC/link ID, no energy correction needed then */ + if (id >= ARRAY_SIZE(mvm->vif_id_to_mac)) + return false; + + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, true); + if (!vif) + return false; + + mvm_vif = iwl_mvm_vif_from_mac80211(vif); + + /* + * If we know the MAC by MAC or link ID then the frame was + * received for the link, so by filtering it means it was + * from the AP the link is connected to. + */ + + /* skip also in case we don't have it (yet) */ + if (!mvm_vif->deflink.average_beacon_energy) + return false; + + IWL_DEBUG_STATS(mvm, "energy override by average %d\n", + mvm_vif->deflink.average_beacon_energy); + rx_status->signal = -mvm_vif->deflink.average_beacon_energy; + return true; } static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm, + struct iwl_rx_mpdu_desc *desc, + struct ieee80211_hdr *hdr, struct ieee80211_rx_status *rx_status, u32 rate_n_flags, int energy_a, int energy_b) { int max_energy; - u32 rate_flags = rate_n_flags; energy_a = energy_a ? -energy_a : S8_MIN; energy_b = energy_b ? -energy_b : S8_MIN; @@ -269,9 +310,11 @@ static void iwl_mvm_get_signal_strength(struct iwl_mvm *mvm, IWL_DEBUG_STATS(mvm, "energy In A %d B %d, and max %d\n", energy_a, energy_b, max_energy); + if (iwl_mvm_used_average_energy(mvm, desc, hdr, rx_status)) + return; + rx_status->signal = max_energy; - rx_status->chains = - (rate_flags & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS; + rx_status->chains = u32_get_bits(rate_n_flags, RATE_MCS_ANT_AB_MSK); rx_status->chain_signal[0] = energy_a; rx_status->chain_signal[1] = energy_b; } @@ -282,12 +325,14 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta, u32 status, struct ieee80211_rx_status *stats) { + struct wireless_dev *wdev; struct iwl_mvm_sta *mvmsta; struct iwl_mvm_vif *mvmvif; u8 keyid; struct ieee80211_key_conf *key; u32 len = le16_to_cpu(desc->mpdu_len); const u8 *frame = (void *)hdr; + const u8 *mmie; if ((status & IWL_RX_MPDU_STATUS_SEC_MASK) == IWL_RX_MPDU_STATUS_SEC_NONE) return 0; @@ -303,9 +348,15 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta, if (!ieee80211_is_beacon(hdr->frame_control)) return 0; + if (!sta) + return -1; + + mvmsta = iwl_mvm_sta_from_mac80211(sta); + mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); + /* key mismatch - will also report !MIC_OK but we shouldn't count it */ if (!(status & IWL_RX_MPDU_STATUS_KEY_VALID)) - return -1; + goto report; /* good cases */ if (likely(status & IWL_RX_MPDU_STATUS_MIC_OK && @@ -314,13 +365,6 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta, return 0; } - if (!sta) - return -1; - - mvmsta = iwl_mvm_sta_from_mac80211(sta); - - mvmvif = iwl_mvm_vif_from_mac80211(mvmsta->vif); - /* * both keys will have the same cipher and MIC length, use * whichever one is available @@ -329,14 +373,18 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta, if (!key) { key = rcu_dereference(mvmvif->bcn_prot.keys[1]); if (!key) - return -1; + goto report; } - if (len < key->icv_len + IEEE80211_GMAC_PN_LEN + 2) - return -1; + if (len < key->icv_len) + goto report; /* get the real key ID */ - keyid = frame[len - key->icv_len - IEEE80211_GMAC_PN_LEN - 2]; + mmie = frame + (len - key->icv_len); + + /* the position of the key_id in ieee80211_mmie_16 is the same */ + keyid = le16_to_cpu(((const struct ieee80211_mmie *) mmie)->key_id); + /* and if that's the other key, look it up */ if (keyid != key->keyidx) { /* @@ -347,7 +395,7 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta, return -1; key = rcu_dereference(mvmvif->bcn_prot.keys[keyid - 6]); if (!key) - return -1; + goto report; } /* Report status to mac80211 */ @@ -355,6 +403,10 @@ static int iwl_mvm_rx_mgmt_prot(struct ieee80211_sta *sta, ieee80211_key_mic_failure(key); else if (status & IWL_RX_MPDU_STATUS_REPLAY_ERROR) ieee80211_key_replay(key); +report: + wdev = ieee80211_vif_to_wdev(mvmsta->vif); + if (wdev->netdev) + cfg80211_rx_unprot_mlme_mgmt(wdev->netdev, (void *)hdr, len); return -1; } @@ -376,8 +428,10 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta, */ if (phy_info & IWL_RX_MPDU_PHY_AMPDU && (status & IWL_RX_MPDU_STATUS_SEC_MASK) == - IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) + IWL_RX_MPDU_STATUS_SEC_UNKNOWN && !mvm->monitor_on) { + IWL_DEBUG_DROP(mvm, "Dropping packets, bad enc status\n"); return -1; + } if (unlikely(ieee80211_is_mgmt(hdr->frame_control) && !ieee80211_has_protected(hdr->frame_control))) @@ -395,8 +449,11 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta, case IWL_RX_MPDU_STATUS_SEC_GCM: BUILD_BUG_ON(IEEE80211_CCMP_PN_LEN != IEEE80211_GCMP_PN_LEN); /* alg is CCM: check MIC only */ - if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) + if (!(status & IWL_RX_MPDU_STATUS_MIC_OK)) { + IWL_DEBUG_DROP(mvm, + "Dropping packet, bad MIC (CCM/GCM)\n"); return -1; + } stats->flag |= RX_FLAG_DECRYPTED | RX_FLAG_MIC_STRIPPED; *crypt_len = IEEE80211_CCMP_HDR_LEN; @@ -408,7 +465,7 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta, !(status & IWL_RX_MPDU_RES_STATUS_TTAK_OK)) return 0; - if (mvm->trans->trans_cfg->gen2 && + if (mvm->trans->mac_cfg->gen2 && !(status & RX_MPDU_RES_STATUS_MIC_OK)) stats->flag |= RX_FLAG_MMIC_ERROR; @@ -425,7 +482,7 @@ static int iwl_mvm_rx_crypto(struct iwl_mvm *mvm, struct ieee80211_sta *sta, if (pkt_flags & FH_RSCSR_RADA_EN) { stats->flag |= RX_FLAG_ICV_STRIPPED; - if (mvm->trans->trans_cfg->gen2) + if (mvm->trans->mac_cfg->gen2) stats->flag |= RX_FLAG_MMIC_STRIPPED; } @@ -461,7 +518,7 @@ static void iwl_mvm_rx_csum(struct iwl_mvm *mvm, { struct iwl_rx_mpdu_desc *desc = (void *)pkt->data; - if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { if (pkt->len_n_flags & cpu_to_le32(FH_RSCSR_RPA_EN)) { u16 hwsum = be16_to_cpu(desc->v3.raw_xsum); @@ -503,6 +560,10 @@ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, return false; mvm_sta = iwl_mvm_sta_from_mac80211(sta); + + if (WARN_ON_ONCE(!mvm_sta->dup_data)) + return false; + dup_data = &mvm_sta->dup_data[queue]; /* @@ -510,11 +571,9 @@ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, * (IEEE 802.11-2012: 9.3.2.10 "Duplicate detection and recovery") */ if (ieee80211_is_ctl(hdr->frame_control) || - ieee80211_is_qos_nullfunc(hdr->frame_control) || - is_multicast_ether_addr(hdr->addr1)) { - rx_status->flag |= RX_FLAG_DUP_VALIDATED; + ieee80211_is_any_nullfunc(hdr->frame_control) || + is_multicast_ether_addr(hdr->addr1)) return false; - } if (ieee80211_is_data_qos(hdr->frame_control)) { /* frame has qos control */ @@ -548,44 +607,12 @@ static bool iwl_mvm_is_dup(struct ieee80211_sta *sta, int queue, return false; } -/* - * Returns true if sn2 - buffer_size < sn1 < sn2. - * To be used only in order to compare reorder buffer head with NSSN. - * We fully trust NSSN unless it is behind us due to reorder timeout. - * Reorder timeout can only bring us up to buffer_size SNs ahead of NSSN. - */ -static bool iwl_mvm_is_sn_less(u16 sn1, u16 sn2, u16 buffer_size) -{ - return ieee80211_sn_less(sn1, sn2) && - !ieee80211_sn_less(sn1, sn2 - buffer_size); -} - -static void iwl_mvm_sync_nssn(struct iwl_mvm *mvm, u8 baid, u16 nssn) -{ - if (IWL_MVM_USE_NSSN_SYNC) { - struct iwl_mvm_nssn_sync_data notif = { - .baid = baid, - .nssn = nssn, - }; - - iwl_mvm_sync_rx_queues_internal(mvm, IWL_MVM_RXQ_NSSN_SYNC, false, - ¬if, sizeof(notif)); - } -} - -#define RX_REORDER_BUF_TIMEOUT_MQ (HZ / 10) - -enum iwl_mvm_release_flags { - IWL_MVM_RELEASE_SEND_RSS_SYNC = BIT(0), - IWL_MVM_RELEASE_FROM_RSS_SYNC = BIT(1), -}; - static void iwl_mvm_release_frames(struct iwl_mvm *mvm, struct ieee80211_sta *sta, struct napi_struct *napi, struct iwl_mvm_baid_data *baid_data, struct iwl_mvm_reorder_buffer *reorder_buf, - u16 nssn, u32 flags) + u16 nssn) { struct iwl_mvm_reorder_buf_entry *entries = &baid_data->entries[reorder_buf->queue * @@ -594,31 +621,12 @@ static void iwl_mvm_release_frames(struct iwl_mvm *mvm, lockdep_assert_held(&reorder_buf->lock); - /* - * We keep the NSSN not too far behind, if we are sync'ing it and it - * is more than 2048 ahead of us, it must be behind us. Discard it. - * This can happen if the queue that hit the 0 / 2048 seqno was lagging - * behind and this queue already processed packets. The next if - * would have caught cases where this queue would have processed less - * than 64 packets, but it may have processed more than 64 packets. - */ - if ((flags & IWL_MVM_RELEASE_FROM_RSS_SYNC) && - ieee80211_sn_less(nssn, ssn)) - goto set_timer; - - /* ignore nssn smaller than head sn - this can happen due to timeout */ - if (iwl_mvm_is_sn_less(nssn, ssn, reorder_buf->buf_size)) - goto set_timer; - - while (iwl_mvm_is_sn_less(ssn, nssn, reorder_buf->buf_size)) { - int index = ssn % reorder_buf->buf_size; - struct sk_buff_head *skb_list = &entries[index].e.frames; + while (ieee80211_sn_less(ssn, nssn)) { + int index = ssn % baid_data->buf_size; + struct sk_buff_head *skb_list = &entries[index].frames; struct sk_buff *skb; ssn = ieee80211_sn_inc(ssn); - if ((flags & IWL_MVM_RELEASE_SEND_RSS_SYNC) && - (ssn == 2048 || ssn == 0)) - iwl_mvm_sync_nssn(mvm, baid_data->baid, ssn); /* * Empty the list. Will have more than one frame for A-MSDU. @@ -628,104 +636,11 @@ static void iwl_mvm_release_frames(struct iwl_mvm *mvm, while ((skb = __skb_dequeue(skb_list))) { iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, reorder_buf->queue, - sta, NULL /* FIXME */); + sta); reorder_buf->num_stored--; } } reorder_buf->head_sn = nssn; - -set_timer: - if (reorder_buf->num_stored && !reorder_buf->removed) { - u16 index = reorder_buf->head_sn % reorder_buf->buf_size; - - while (skb_queue_empty(&entries[index].e.frames)) - index = (index + 1) % reorder_buf->buf_size; - /* modify timer to match next frame's expiration time */ - mod_timer(&reorder_buf->reorder_timer, - entries[index].e.reorder_time + 1 + - RX_REORDER_BUF_TIMEOUT_MQ); - } else { - del_timer(&reorder_buf->reorder_timer); - } -} - -void iwl_mvm_reorder_timer_expired(struct timer_list *t) -{ - struct iwl_mvm_reorder_buffer *buf = from_timer(buf, t, reorder_timer); - struct iwl_mvm_baid_data *baid_data = - iwl_mvm_baid_data_from_reorder_buf(buf); - struct iwl_mvm_reorder_buf_entry *entries = - &baid_data->entries[buf->queue * baid_data->entries_per_queue]; - int i; - u16 sn = 0, index = 0; - bool expired = false; - bool cont = false; - - spin_lock(&buf->lock); - - if (!buf->num_stored || buf->removed) { - spin_unlock(&buf->lock); - return; - } - - for (i = 0; i < buf->buf_size ; i++) { - index = (buf->head_sn + i) % buf->buf_size; - - if (skb_queue_empty(&entries[index].e.frames)) { - /* - * If there is a hole and the next frame didn't expire - * we want to break and not advance SN - */ - cont = false; - continue; - } - if (!cont && - !time_after(jiffies, entries[index].e.reorder_time + - RX_REORDER_BUF_TIMEOUT_MQ)) - break; - - expired = true; - /* continue until next hole after this expired frames */ - cont = true; - sn = ieee80211_sn_add(buf->head_sn, i + 1); - } - - if (expired) { - struct ieee80211_sta *sta; - struct iwl_mvm_sta *mvmsta; - u8 sta_id = ffs(baid_data->sta_mask) - 1; - - rcu_read_lock(); - sta = rcu_dereference(buf->mvm->fw_id_to_mac_id[sta_id]); - if (WARN_ON_ONCE(IS_ERR_OR_NULL(sta))) { - rcu_read_unlock(); - goto out; - } - - mvmsta = iwl_mvm_sta_from_mac80211(sta); - - /* SN is set to the last expired frame + 1 */ - IWL_DEBUG_HT(buf->mvm, - "Releasing expired frames for sta %u, sn %d\n", - sta_id, sn); - iwl_mvm_event_frame_timeout_callback(buf->mvm, mvmsta->vif, - sta, baid_data->tid); - iwl_mvm_release_frames(buf->mvm, sta, NULL, baid_data, - buf, sn, IWL_MVM_RELEASE_SEND_RSS_SYNC); - rcu_read_unlock(); - } else { - /* - * If no frame expired and there are stored frames, index is now - * pointing to the first unexpired frame - modify timer - * accordingly to this frame. - */ - mod_timer(&buf->reorder_timer, - entries[index].e.reorder_time + - 1 + RX_REORDER_BUF_TIMEOUT_MQ); - } - -out: - spin_unlock(&buf->lock); } static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue, @@ -758,10 +673,8 @@ static void iwl_mvm_del_ba(struct iwl_mvm *mvm, int queue, spin_lock_bh(&reorder_buf->lock); iwl_mvm_release_frames(mvm, sta, NULL, ba_data, reorder_buf, ieee80211_sn_add(reorder_buf->head_sn, - reorder_buf->buf_size), - 0); + ba_data->buf_size)); spin_unlock_bh(&reorder_buf->lock); - del_timer_sync(&reorder_buf->reorder_timer); out: rcu_read_unlock(); @@ -769,8 +682,7 @@ out: static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm, struct napi_struct *napi, - u8 baid, u16 nssn, int queue, - u32 flags) + u8 baid, u16 nssn, int queue) { struct ieee80211_sta *sta; struct iwl_mvm_reorder_buffer *reorder_buf; @@ -780,16 +692,19 @@ static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm, IWL_DEBUG_HT(mvm, "Frame release notification for BAID %u, NSSN %d\n", baid, nssn); - if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID || - baid >= ARRAY_SIZE(mvm->baid_map))) + if (IWL_FW_CHECK(mvm, + baid == IWL_RX_REORDER_DATA_INVALID_BAID || + baid >= ARRAY_SIZE(mvm->baid_map), + "invalid BAID from FW: %d\n", baid)) return; rcu_read_lock(); ba_data = rcu_dereference(mvm->baid_map[baid]); if (!ba_data) { - WARN(!(flags & IWL_MVM_RELEASE_FROM_RSS_SYNC), - "BAID %d not found in map\n", baid); + IWL_DEBUG_RX(mvm, + "Got valid BAID %d but not allocated, invalid frame release!\n", + baid); goto out; } @@ -803,22 +718,13 @@ static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm, spin_lock_bh(&reorder_buf->lock); iwl_mvm_release_frames(mvm, sta, napi, ba_data, - reorder_buf, nssn, flags); + reorder_buf, nssn); spin_unlock_bh(&reorder_buf->lock); out: rcu_read_unlock(); } -static void iwl_mvm_nssn_sync(struct iwl_mvm *mvm, - struct napi_struct *napi, int queue, - const struct iwl_mvm_nssn_sync_data *data) -{ - iwl_mvm_release_frames_from_notif(mvm, napi, data->baid, - data->nssn, queue, - IWL_MVM_RELEASE_FROM_RSS_SYNC); -} - void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_cmd_buffer *rxb, int queue) { @@ -836,11 +742,11 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, return; len -= sizeof(*notif) + sizeof(*internal_notif); - if (internal_notif->sync && - mvm->queue_sync_cookie != internal_notif->cookie) { - WARN_ONCE(1, "Received expired RX queue sync message\n"); + if (WARN_ONCE(internal_notif->sync && + mvm->queue_sync_cookie != internal_notif->cookie, + "Received expired RX queue sync message (cookie %d but wanted %d, queue %d)\n", + internal_notif->cookie, mvm->queue_sync_cookie, queue)) return; - } switch (internal_notif->type) { case IWL_MVM_RXQ_EMPTY: @@ -853,14 +759,6 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, break; iwl_mvm_del_ba(mvm, queue, (void *)internal_notif->data); break; - case IWL_MVM_RXQ_NSSN_SYNC: - if (WARN_ONCE(len != sizeof(struct iwl_mvm_nssn_sync_data), - "invalid nssn sync notification size %d (%d)", - len, (int)sizeof(struct iwl_mvm_nssn_sync_data))) - break; - iwl_mvm_nssn_sync(mvm, napi, queue, - (void *)internal_notif->data); - break; default: WARN_ONCE(1, "Invalid identifier %d", internal_notif->type); } @@ -874,55 +772,6 @@ void iwl_mvm_rx_queue_notif(struct iwl_mvm *mvm, struct napi_struct *napi, } } -static void iwl_mvm_oldsn_workaround(struct iwl_mvm *mvm, - struct ieee80211_sta *sta, int tid, - struct iwl_mvm_reorder_buffer *buffer, - u32 reorder, u32 gp2, int queue) -{ - struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); - - if (gp2 != buffer->consec_oldsn_ampdu_gp2) { - /* we have a new (A-)MPDU ... */ - - /* - * reset counter to 0 if we didn't have any oldsn in - * the last A-MPDU (as detected by GP2 being identical) - */ - if (!buffer->consec_oldsn_prev_drop) - buffer->consec_oldsn_drops = 0; - - /* either way, update our tracking state */ - buffer->consec_oldsn_ampdu_gp2 = gp2; - } else if (buffer->consec_oldsn_prev_drop) { - /* - * tracking state didn't change, and we had an old SN - * indication before - do nothing in this case, we - * already noted this one down and are waiting for the - * next A-MPDU (by GP2) - */ - return; - } - - /* return unless this MPDU has old SN */ - if (!(reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN)) - return; - - /* update state */ - buffer->consec_oldsn_prev_drop = 1; - buffer->consec_oldsn_drops++; - - /* if limit is reached, send del BA and reset state */ - if (buffer->consec_oldsn_drops == IWL_MVM_AMPDU_CONSEC_DROPS_DELBA) { - IWL_WARN(mvm, - "reached %d old SN frames from %pM on queue %d, stopping BA session on TID %d\n", - IWL_MVM_AMPDU_CONSEC_DROPS_DELBA, - sta->addr, queue, tid); - ieee80211_stop_rx_ba_session(mvmsta->vif, BIT(tid), sta->addr); - buffer->consec_oldsn_prev_drop = 0; - buffer->consec_oldsn_drops = 0; - } -} - /* * Returns true if the MPDU was buffered\dropped, false if it should be passed * to upper layer. @@ -934,18 +783,14 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, struct sk_buff *skb, struct iwl_rx_mpdu_desc *desc) { - struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); struct ieee80211_hdr *hdr = (void *)skb_mac_header(skb); struct iwl_mvm_baid_data *baid_data; struct iwl_mvm_reorder_buffer *buffer; - struct sk_buff *tail; u32 reorder = le32_to_cpu(desc->reorder_data); bool amsdu = desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU; bool last_subframe = desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME; u8 tid = ieee80211_get_tid(hdr); - u8 sub_frame_idx = desc->amsdu_info & - IWL_RX_MPDU_AMSDU_SUBFRAME_IDX_MASK; struct iwl_mvm_reorder_buf_entry *entries; u32 sta_mask; int index; @@ -955,6 +800,9 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, baid = (reorder & IWL_RX_MPDU_REORDER_BAID_MASK) >> IWL_RX_MPDU_REORDER_BAID_SHIFT; + if (mvm->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000) + return false; + /* * This also covers the case of receiving a Block Ack Request * outside a BA session; we'll pass it to mac80211 and that @@ -987,9 +835,7 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, return false; } - rcu_read_lock(); sta_mask = iwl_mvm_sta_fw_id_mask(mvm, sta, -1); - rcu_read_unlock(); if (IWL_FW_CHECK(mvm, tid != baid_data->tid || @@ -1016,60 +862,19 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, buffer->valid = true; } - if (ieee80211_is_back_req(hdr->frame_control)) { - iwl_mvm_release_frames(mvm, sta, napi, baid_data, - buffer, nssn, 0); + /* drop any duplicated packets */ + if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_DUPLICATE)) goto drop; - } - - /* - * If there was a significant jump in the nssn - adjust. - * If the SN is smaller than the NSSN it might need to first go into - * the reorder buffer, in which case we just release up to it and the - * rest of the function will take care of storing it and releasing up to - * the nssn. - * This should not happen. This queue has been lagging and it should - * have been updated by a IWL_MVM_RXQ_NSSN_SYNC notification. Be nice - * and update the other queues. - */ - if (!iwl_mvm_is_sn_less(nssn, buffer->head_sn + buffer->buf_size, - buffer->buf_size) || - !ieee80211_sn_less(sn, buffer->head_sn + buffer->buf_size)) { - u16 min_sn = ieee80211_sn_less(sn, nssn) ? sn : nssn; - - iwl_mvm_release_frames(mvm, sta, napi, baid_data, buffer, - min_sn, IWL_MVM_RELEASE_SEND_RSS_SYNC); - } - - iwl_mvm_oldsn_workaround(mvm, sta, tid, buffer, reorder, - rx_status->device_timestamp, queue); /* drop any oudated packets */ - if (ieee80211_sn_less(sn, buffer->head_sn)) + if (reorder & IWL_RX_MPDU_REORDER_BA_OLD_SN) goto drop; /* release immediately if allowed by nssn and no stored frames */ if (!buffer->num_stored && ieee80211_sn_less(sn, nssn)) { - if (iwl_mvm_is_sn_less(buffer->head_sn, nssn, - buffer->buf_size) && - (!amsdu || last_subframe)) { - /* - * If we crossed the 2048 or 0 SN, notify all the - * queues. This is done in order to avoid having a - * head_sn that lags behind for too long. When that - * happens, we can get to a situation where the head_sn - * is within the interval [nssn - buf_size : nssn] - * which will make us think that the nssn is a packet - * that we already freed because of the reordering - * buffer and we will ignore it. So maintain the - * head_sn somewhat updated across all the queues: - * when it crosses 0 and 2048. - */ - if (sn == 2048 || sn == 0) - iwl_mvm_sync_nssn(mvm, baid, sn); + if (!amsdu || last_subframe) buffer->head_sn = nssn; - } - /* No need to update AMSDU last SN - we are moving the head */ + spin_unlock_bh(&buffer->lock); return false; } @@ -1083,42 +888,17 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, * while technically there is no hole and we can move forward. */ if (!buffer->num_stored && sn == buffer->head_sn) { - if (!amsdu || last_subframe) { - if (sn == 2048 || sn == 0) - iwl_mvm_sync_nssn(mvm, baid, sn); + if (!amsdu || last_subframe) buffer->head_sn = ieee80211_sn_inc(buffer->head_sn); - } - /* No need to update AMSDU last SN - we are moving the head */ + spin_unlock_bh(&buffer->lock); return false; } - index = sn % buffer->buf_size; - - /* - * Check if we already stored this frame - * As AMSDU is either received or not as whole, logic is simple: - * If we have frames in that position in the buffer and the last frame - * originated from AMSDU had a different SN then it is a retransmission. - * If it is the same SN then if the subframe index is incrementing it - * is the same AMSDU - otherwise it is a retransmission. - */ - tail = skb_peek_tail(&entries[index].e.frames); - if (tail && !amsdu) - goto drop; - else if (tail && (sn != buffer->last_amsdu || - buffer->last_sub_index >= sub_frame_idx)) - goto drop; - /* put in reorder buffer */ - __skb_queue_tail(&entries[index].e.frames, skb); + index = sn % baid_data->buf_size; + __skb_queue_tail(&entries[index].frames, skb); buffer->num_stored++; - entries[index].e.reorder_time = jiffies; - - if (amsdu) { - buffer->last_amsdu = sn; - buffer->last_sub_index = sub_frame_idx; - } /* * We cannot trust NSSN for AMSDU sub-frames that are not the last. @@ -1130,11 +910,15 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, * already ahead and it will be dropped. * If the last sub-frame is not on this queue - we will get frame * release notification with up to date NSSN. + * If this is the first frame that is stored in the buffer, the head_sn + * may be outdated. Update it based on the last NSSN to make sure it + * will be released when the frame release notification arrives. */ if (!amsdu || last_subframe) iwl_mvm_release_frames(mvm, sta, napi, baid_data, - buffer, nssn, - IWL_MVM_RELEASE_SEND_RSS_SYNC); + buffer, nssn); + else if (buffer->num_stored == 1) + buffer->head_sn = nssn; spin_unlock_bh(&buffer->lock); return true; @@ -1272,7 +1056,7 @@ iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data, */ u8 ru = le32_get_bits(phy_data->d1, IWL_RX_PHY_DATA1_HE_RU_ALLOC_MASK); u32 rate_n_flags = phy_data->rate_n_flags; - u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK_V1; + u32 he_type = rate_n_flags & RATE_MCS_HE_TYPE_MSK; u8 offs = 0; rx_status->bw = RATE_INFO_BW_HE_RU; @@ -1327,13 +1111,13 @@ iwl_mvm_decode_he_phy_ru_alloc(struct iwl_mvm_rx_phy_data *phy_data, if (he_mu) he_mu->flags2 |= - le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1, + le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags), IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW); - else if (he_type == RATE_MCS_HE_TYPE_TRIG_V1) + else if (he_type == RATE_MCS_HE_TYPE_TRIG) he->data6 |= cpu_to_le16(IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN) | - le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK_V1, + le16_encode_bits(FIELD_GET(RATE_MCS_CHAN_WIDTH_MSK, rate_n_flags), IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW); } @@ -1507,7 +1291,7 @@ static void iwl_mvm_decode_he_phy_data(struct iwl_mvm *mvm, #define IWL_RX_RU_DATA_A1 2 #define IWL_RX_RU_DATA_A2 2 #define IWL_RX_RU_DATA_B1 2 -#define IWL_RX_RU_DATA_B2 3 +#define IWL_RX_RU_DATA_B2 4 #define IWL_RX_RU_DATA_C1 3 #define IWL_RX_RU_DATA_C2 3 #define IWL_RX_RU_DATA_D1 4 @@ -2163,21 +1947,6 @@ static void iwl_mvm_decode_lsig(struct sk_buff *skb, } } -static inline u8 iwl_mvm_nl80211_band_from_rx_msdu(u8 phy_band) -{ - switch (phy_band) { - case PHY_BAND_24: - return NL80211_BAND_2GHZ; - case PHY_BAND_5: - return NL80211_BAND_5GHZ; - case PHY_BAND_6: - return NL80211_BAND_6GHZ; - default: - WARN_ONCE(1, "Unsupported phy band (%u)\n", phy_band); - return NL80211_BAND_5GHZ; - } -} - struct iwl_rx_sta_csa { bool all_sta_unblocked; struct ieee80211_vif *vif; @@ -2198,8 +1967,11 @@ static void iwl_mvm_rx_get_sta_block_tx(void *data, struct ieee80211_sta *sta) /* * Note: requires also rx_status->band to be prefilled, as well * as phy_data (apart from phy_data->info_type) + * Note: desc/hdr may be NULL */ static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm, + struct iwl_rx_mpdu_desc *desc, + struct ieee80211_hdr *hdr, struct sk_buff *skb, struct iwl_mvm_rx_phy_data *phy_data, int queue) @@ -2236,57 +2008,67 @@ static void iwl_mvm_rx_fill_status(struct iwl_mvm *mvm, } /* must be before L-SIG data */ - if (format == RATE_MCS_HE_MSK) + if (format == RATE_MCS_MOD_TYPE_HE) iwl_mvm_rx_he(mvm, skb, phy_data, queue); iwl_mvm_decode_lsig(skb, phy_data); rx_status->device_timestamp = phy_data->gp2_on_air_rise; + + if (mvm->rx_ts_ptp && mvm->monitor_on) { + u64 adj_time = + iwl_mvm_ptp_get_adj_time(mvm, phy_data->gp2_on_air_rise * NSEC_PER_USEC); + + rx_status->mactime = div64_u64(adj_time, NSEC_PER_USEC); + rx_status->flag |= RX_FLAG_MACTIME_IS_RTAP_TS64; + rx_status->flag &= ~RX_FLAG_MACTIME; + } + rx_status->freq = ieee80211_channel_to_frequency(phy_data->channel, rx_status->band); - iwl_mvm_get_signal_strength(mvm, rx_status, rate_n_flags, + iwl_mvm_get_signal_strength(mvm, desc, hdr, rx_status, rate_n_flags, phy_data->energy_a, phy_data->energy_b); /* using TLV format and must be after all fixed len fields */ - if (format == RATE_MCS_EHT_MSK) + if (format == RATE_MCS_MOD_TYPE_EHT) iwl_mvm_rx_eht(mvm, skb, phy_data, queue); if (unlikely(mvm->monitor_on)) iwl_mvm_add_rtap_sniffer_config(mvm, skb); - is_sgi = format == RATE_MCS_HE_MSK ? + is_sgi = format == RATE_MCS_MOD_TYPE_HE ? iwl_he_is_sgi(rate_n_flags) : rate_n_flags & RATE_MCS_SGI_MSK; - if (!(format == RATE_MCS_CCK_MSK) && is_sgi) + if (!(format == RATE_MCS_MOD_TYPE_CCK) && is_sgi) rx_status->enc_flags |= RX_ENC_FLAG_SHORT_GI; if (rate_n_flags & RATE_MCS_LDPC_MSK) rx_status->enc_flags |= RX_ENC_FLAG_LDPC; switch (format) { - case RATE_MCS_VHT_MSK: + case RATE_MCS_MOD_TYPE_VHT: rx_status->encoding = RX_ENC_VHT; break; - case RATE_MCS_HE_MSK: + case RATE_MCS_MOD_TYPE_HE: rx_status->encoding = RX_ENC_HE; rx_status->he_dcm = !!(rate_n_flags & RATE_HE_DUAL_CARRIER_MODE_MSK); break; - case RATE_MCS_EHT_MSK: + case RATE_MCS_MOD_TYPE_EHT: rx_status->encoding = RX_ENC_EHT; break; } switch (format) { - case RATE_MCS_HT_MSK: + case RATE_MCS_MOD_TYPE_HT: rx_status->encoding = RX_ENC_HT; rx_status->rate_idx = RATE_HT_MCS_INDEX(rate_n_flags); rx_status->enc_flags |= stbc << RX_ENC_FLAG_STBC_SHIFT; break; - case RATE_MCS_VHT_MSK: - case RATE_MCS_HE_MSK: - case RATE_MCS_EHT_MSK: + case RATE_MCS_MOD_TYPE_VHT: + case RATE_MCS_MOD_TYPE_HE: + case RATE_MCS_MOD_TYPE_EHT: rx_status->nss = u32_get_bits(rate_n_flags, RATE_MCS_NSS_MSK) + 1; rx_status->rate_idx = rate_n_flags & RATE_MCS_CODE_MSK; @@ -2320,7 +2102,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, u32 len; u32 pkt_len = iwl_rx_packet_payload_len(pkt); struct ieee80211_sta *sta = NULL; - struct ieee80211_link_sta *link_sta = NULL; struct sk_buff *skb; u8 crypt_len = 0; size_t desc_size; @@ -2330,7 +2111,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (unlikely(test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status))) return; - if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) + if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) desc_size = sizeof(*desc); else desc_size = IWL_RX_DESC_SIZE_V1; @@ -2340,8 +2121,10 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, return; } - if (mvm->trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { - phy_data.rate_n_flags = le32_to_cpu(desc->v3.rate_n_flags); + if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) { + phy_data.rate_n_flags = + iwl_mvm_v3_rate_from_fw(desc->v3.rate_n_flags, + mvm->fw_rates_ver); phy_data.channel = desc->v3.channel; phy_data.gp2_on_air_rise = le32_to_cpu(desc->v3.gp2_on_air_rise); phy_data.energy_a = desc->v3.energy_a; @@ -2354,7 +2137,9 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, phy_data.eht_d4 = desc->phy_eht_data4; phy_data.d5 = desc->v3.phy_data5; } else { - phy_data.rate_n_flags = le32_to_cpu(desc->v1.rate_n_flags); + phy_data.rate_n_flags = + iwl_mvm_v3_rate_from_fw(desc->v1.rate_n_flags, + mvm->fw_rates_ver); phy_data.channel = desc->v1.channel; phy_data.gp2_on_air_rise = le32_to_cpu(desc->v1.gp2_on_air_rise); phy_data.energy_a = desc->v1.energy_a; @@ -2366,13 +2151,6 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, phy_data.d3 = desc->v1.phy_data3; } - if (iwl_fw_lookup_notif_ver(mvm->fw, LEGACY_GROUP, - REPLY_RX_MPDU_CMD, 0) < 4) { - phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags); - IWL_DEBUG_DROP(mvm, "Got old format rate, converting. New rate: 0x%x\n", - phy_data.rate_n_flags); - } - format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK; len = le16_to_cpu(desc->mpdu_len); @@ -2420,14 +2198,14 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, } /* set the preamble flag if appropriate */ - if (format == RATE_MCS_CCK_MSK && + if (format == RATE_MCS_MOD_TYPE_CCK && phy_data.phy_info & IWL_RX_MPDU_PHY_SHORT_PREAMBLE) rx_status->enc_flags |= RX_ENC_FLAG_SHORTPRE; if (likely(!(phy_data.phy_info & IWL_RX_MPDU_PHY_TSF_OVERLOAD))) { u64 tsf_on_air_rise; - if (mvm->trans->trans_cfg->device_family >= + if (mvm->trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) tsf_on_air_rise = le64_to_cpu(desc->v3.tsf_on_air_rise); else @@ -2439,9 +2217,10 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, } if (iwl_mvm_is_band_in_rx_supported(mvm)) { - u8 band = BAND_IN_RX_STATUS(desc->mac_phy_idx); + u8 band = u8_get_bits(desc->mac_phy_band, + IWL_RX_MPDU_MAC_PHY_BAND_BAND_MASK); - rx_status->band = iwl_mvm_nl80211_band_from_rx_msdu(band); + rx_status->band = iwl_mvm_nl80211_band_from_phy(band); } else { rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ; @@ -2471,13 +2250,21 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, rcu_read_lock(); if (desc->status & cpu_to_le32(IWL_RX_MPDU_STATUS_SRC_STA_FOUND)) { - u8 id = le32_get_bits(desc->status, IWL_RX_MPDU_STATUS_STA_ID); + u8 sta_id = le32_get_bits(desc->status, + IWL_RX_MPDU_STATUS_STA_ID); - if (!WARN_ON_ONCE(id >= mvm->fw->ucode_capa.num_stations)) { - sta = rcu_dereference(mvm->fw_id_to_mac_id[id]); + if (!WARN_ON_ONCE(sta_id >= mvm->fw->ucode_capa.num_stations)) { + struct ieee80211_link_sta *link_sta; + + sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]); if (IS_ERR(sta)) sta = NULL; - link_sta = rcu_dereference(mvm->fw_id_to_link_sta[id]); + link_sta = rcu_dereference(mvm->fw_id_to_link_sta[sta_id]); + + if (sta && sta->valid_links && link_sta) { + rx_status->link_valid = 1; + rx_status->link_id = link_sta->link_id; + } } } else if (!is_multicast_ether_addr(hdr->addr2)) { /* @@ -2494,7 +2281,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, goto out; } - iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue); + iwl_mvm_rx_fill_status(mvm, desc, hdr, skb, &phy_data, queue); if (sta) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); @@ -2562,6 +2349,8 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_rx_csum(mvm, sta, skb, pkt); if (iwl_mvm_is_dup(sta, queue, rx_status, hdr, desc)) { + IWL_DEBUG_DROP(mvm, "Dropping duplicate packet 0x%x\n", + le16_to_cpu(hdr->seq_ctrl)); kfree_skb(skb); goto out; } @@ -2578,7 +2367,7 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, *qc &= ~IEEE80211_QOS_CTL_A_MSDU_PRESENT; - if (mvm->trans->trans_cfg->device_family == + if (mvm->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000) { iwl_mvm_flip_address(hdr->addr3); @@ -2613,9 +2402,14 @@ void iwl_mvm_rx_mpdu_mq(struct iwl_mvm *mvm, struct napi_struct *napi, if (!iwl_mvm_reorder(mvm, napi, queue, sta, skb, desc) && likely(!iwl_mvm_time_sync_frame(mvm, skb, hdr->addr2)) && - likely(!iwl_mvm_mei_filter_scan(mvm, skb))) - iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta, - link_sta); + likely(!iwl_mvm_mei_filter_scan(mvm, skb))) { + if (mvm->trans->mac_cfg->device_family == IWL_DEVICE_FAMILY_9000 && + (desc->mac_flags2 & IWL_RX_MPDU_MFLG2_AMSDU) && + !(desc->amsdu_info & IWL_RX_MPDU_AMSDU_LAST_SUBFRAME)) + rx_status->flag |= RX_FLAG_AMSDU_MORE; + + iwl_mvm_pass_packet_to_mac80211(mvm, napi, skb, queue, sta); + } out: rcu_read_unlock(); } @@ -2627,7 +2421,6 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_rx_no_data_ver_3 *desc = (void *)pkt->data; u32 rssi; - u32 info_type; struct ieee80211_sta *sta = NULL; struct sk_buff *skb; struct iwl_mvm_rx_phy_data phy_data; @@ -2640,12 +2433,10 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, return; rssi = le32_to_cpu(desc->rssi); - info_type = le32_to_cpu(desc->info) & RX_NO_DATA_INFO_TYPE_MSK; phy_data.d0 = desc->phy_info[0]; phy_data.d1 = desc->phy_info[1]; phy_data.phy_info = IWL_RX_MPDU_PHY_TSF_OVERLOAD; phy_data.gp2_on_air_rise = le32_to_cpu(desc->on_air_rise_time); - phy_data.rate_n_flags = le32_to_cpu(desc->rate); phy_data.energy_a = u32_get_bits(rssi, RX_NO_DATA_CHAIN_A_MSK); phy_data.energy_b = u32_get_bits(rssi, RX_NO_DATA_CHAIN_B_MSK); phy_data.channel = u32_get_bits(rssi, RX_NO_DATA_CHANNEL_MSK); @@ -2653,14 +2444,8 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, phy_data.rx_vec[0] = desc->rx_vec[0]; phy_data.rx_vec[1] = desc->rx_vec[1]; - if (iwl_fw_lookup_notif_ver(mvm->fw, DATA_PATH_GROUP, - RX_NO_DATA_NOTIF, 0) < 2) { - IWL_DEBUG_DROP(mvm, "Got an old rate format. Old rate: 0x%x\n", - phy_data.rate_n_flags); - phy_data.rate_n_flags = iwl_new_rate_from_v1(phy_data.rate_n_flags); - IWL_DEBUG_DROP(mvm, " Rate after conversion to the new format: 0x%x\n", - phy_data.rate_n_flags); - } + phy_data.rate_n_flags = iwl_mvm_v3_rate_from_fw(desc->rate, + mvm->fw_rates_ver); format = phy_data.rate_n_flags & RATE_MCS_MOD_TYPE_MSK; @@ -2673,7 +2458,7 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, phy_data.rx_vec[2] = desc->rx_vec[2]; phy_data.rx_vec[3] = desc->rx_vec[3]; } else { - if (format == RATE_MCS_EHT_MSK) + if (format == RATE_MCS_MOD_TYPE_EHT) /* no support for EHT before version 3 API */ return; } @@ -2692,7 +2477,12 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, /* 0-length PSDU */ rx_status->flag |= RX_FLAG_NO_PSDU; - switch (info_type) { + /* mark as failed PLCP on any errors to skip checks in mac80211 */ + if (le32_get_bits(desc->info, RX_NO_DATA_INFO_ERR_MSK) != + RX_NO_DATA_INFO_ERR_NONE) + rx_status->flag |= RX_FLAG_FAILED_PLCP_CRC; + + switch (le32_get_bits(desc->info, RX_NO_DATA_INFO_TYPE_MSK)) { case RX_NO_DATA_INFO_TYPE_NDP: rx_status->zero_length_psdu_type = IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING; @@ -2711,14 +2501,17 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, rx_status->band = phy_data.channel > 14 ? NL80211_BAND_5GHZ : NL80211_BAND_2GHZ; - iwl_mvm_rx_fill_status(mvm, skb, &phy_data, queue); + iwl_mvm_rx_fill_status(mvm, NULL, NULL, skb, &phy_data, queue); /* no more radio tap info should be put after this point. * * We mark it as mac header, for upper layers to know where * all radio tap header ends. + * + * Since data doesn't move data while putting data on skb and that is + * the only way we use, data + len is the next place that hdr would be put */ - skb_reset_mac_header(skb); + skb_set_mac_header(skb, skb->len); /* * Override the nss from the rx_vec since the rate_n_flags has @@ -2726,17 +2519,17 @@ void iwl_mvm_rx_monitor_no_data(struct iwl_mvm *mvm, struct napi_struct *napi, * may be up to 8 spatial streams. */ switch (format) { - case RATE_MCS_VHT_MSK: + case RATE_MCS_MOD_TYPE_VHT: rx_status->nss = le32_get_bits(desc->rx_vec[0], RX_NO_DATA_RX_VEC0_VHT_NSTS_MSK) + 1; break; - case RATE_MCS_HE_MSK: + case RATE_MCS_MOD_TYPE_HE: rx_status->nss = le32_get_bits(desc->rx_vec[0], RX_NO_DATA_RX_VEC0_HE_NSTS_MSK) + 1; break; - case RATE_MCS_EHT_MSK: + case RATE_MCS_MOD_TYPE_EHT: rx_status->nss = le32_get_bits(desc->rx_vec[2], RX_NO_DATA_RX_VEC2_EHT_NSTS_MSK) + 1; @@ -2758,7 +2551,7 @@ void iwl_mvm_rx_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, iwl_mvm_release_frames_from_notif(mvm, napi, release->baid, le16_to_cpu(release->nssn), - queue, 0); + queue); } void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, @@ -2766,19 +2559,24 @@ void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, { struct iwl_rx_packet *pkt = rxb_addr(rxb); struct iwl_bar_frame_release *release = (void *)pkt->data; - unsigned int baid = le32_get_bits(release->ba_info, - IWL_BAR_FRAME_RELEASE_BAID_MASK); - unsigned int nssn = le32_get_bits(release->ba_info, - IWL_BAR_FRAME_RELEASE_NSSN_MASK); - unsigned int sta_id = le32_get_bits(release->sta_tid, - IWL_BAR_FRAME_RELEASE_STA_MASK); - unsigned int tid = le32_get_bits(release->sta_tid, - IWL_BAR_FRAME_RELEASE_TID_MASK); struct iwl_mvm_baid_data *baid_data; + u32 pkt_len = iwl_rx_packet_payload_len(pkt); + unsigned int baid, nssn, sta_id, tid; - if (unlikely(iwl_rx_packet_payload_len(pkt) < sizeof(*release))) + if (IWL_FW_CHECK(mvm, pkt_len < sizeof(*release), + "Unexpected frame release notif size %d (expected %zu)\n", + pkt_len, sizeof(*release))) return; + baid = le32_get_bits(release->ba_info, + IWL_BAR_FRAME_RELEASE_BAID_MASK); + nssn = le32_get_bits(release->ba_info, + IWL_BAR_FRAME_RELEASE_NSSN_MASK); + sta_id = le32_get_bits(release->sta_tid, + IWL_BAR_FRAME_RELEASE_STA_MASK); + tid = le32_get_bits(release->sta_tid, + IWL_BAR_FRAME_RELEASE_TID_MASK); + if (WARN_ON_ONCE(baid == IWL_RX_REORDER_DATA_INVALID_BAID || baid >= ARRAY_SIZE(mvm->baid_map))) return; @@ -2792,14 +2590,42 @@ void iwl_mvm_rx_bar_frame_release(struct iwl_mvm *mvm, struct napi_struct *napi, goto out; } - if (WARN(tid != baid_data->tid || sta_id > IWL_MVM_STATION_COUNT_MAX || + if (WARN(tid != baid_data->tid || sta_id > IWL_STATION_COUNT_MAX || !(baid_data->sta_mask & BIT(sta_id)), "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but BAR release received for sta:%d tid:%d\n", baid, baid_data->sta_mask, baid_data->tid, sta_id, tid)) goto out; - iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue, 0); + IWL_DEBUG_DROP(mvm, "Received a BAR, expect packet loss: nssn %d\n", + nssn); + + iwl_mvm_release_frames_from_notif(mvm, napi, baid, nssn, queue); out: rcu_read_unlock(); } + +void iwl_mvm_rx_beacon_filter_notif(struct iwl_mvm *mvm, + struct iwl_rx_cmd_buffer *rxb) +{ + struct iwl_rx_packet *pkt = rxb_addr(rxb); + /* MAC or link ID in v1/v2, but driver has the IDs equal */ + struct iwl_beacon_filter_notif *notif = (void *)pkt->data; + u32 id = le32_to_cpu(notif->link_id); + struct iwl_mvm_vif *mvm_vif; + struct ieee80211_vif *vif; + + /* >= means AUX MAC/link ID, no energy correction needed then */ + if (IWL_FW_CHECK(mvm, id >= ARRAY_SIZE(mvm->vif_id_to_mac), + "invalid link ID %d\n", id)) + return; + + vif = iwl_mvm_rcu_dereference_vif_id(mvm, id, false); + if (!vif) + return; + + mvm_vif = iwl_mvm_vif_from_mac80211(vif); + + mvm_vif->deflink.average_beacon_energy = + le32_to_cpu(notif->average_energy); +} |
