diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index af15d470c69b..1484eaedf452 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, 2018-2024 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -282,6 +282,7 @@ 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; @@ -303,9 +304,15 @@ 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 +321,6 @@ 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 @@ -329,11 +329,11 @@ 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; + goto report; /* get the real key ID */ keyid = frame[len - key->icv_len - IEEE80211_GMAC_PN_LEN - 2]; @@ -347,7 +347,7 @@ 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 +355,10 @@ 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; } @@ -397,8 +401,11 @@ 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; @@ -516,11 +523,9 @@ 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 */ @@ -646,10 +651,8 @@ static void iwl_mvm_release_frames_from_notif(struct iwl_mvm *mvm, rcu_read_lock(); ba_data = rcu_dereference(mvm->baid_map[baid]); - if (!ba_data) { - WARN(true, "BAID %d not found in map\n", baid); + if (WARN(!ba_data, "BAID %d not found in map\n", baid)) goto out; - } /* pick any STA ID to find the pointer */ sta_id = ffs(ba_data->sta_mask) - 1; @@ -685,11 +688,11 @@ 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: |