diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tx.c | 15 |
4 files changed, 36 insertions, 9 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h index be7806407de8..dcba0eefe70d 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -1,6 +1,6 @@ /* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */ /* - * Copyright (C) 2005-2014, 2018-2019, 2021-2022 Intel Corporation + * Copyright (C) 2005-2014, 2018-2019, 2021-2023 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2015-2017 Intel Deutschland GmbH */ @@ -327,4 +327,18 @@ void iwl_fwrt_dump_error_logs(struct iwl_fw_runtime *fwrt); void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt, u32 timepoint, u32 timepoint_data); + +#define IWL_FW_CHECK_FAILED(_obj, _fmt, ...) \ + IWL_ERR_LIMIT(_obj, _fmt, __VA_ARGS__) + +#define IWL_FW_CHECK(_obj, _cond, _fmt, ...) \ + ({ \ + bool __cond = (_cond); \ + \ + if (unlikely(__cond)) \ + IWL_FW_CHECK_FAILED(_obj, _fmt, __VA_ARGS__); \ + \ + unlikely(__cond); \ + }) + #endif /* __iwl_fw_dbg_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index cc04d7cad715..5336a4afde4d 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1601,7 +1601,9 @@ static void iwl_mvm_rx_common(struct iwl_mvm *mvm, if (rx_h->cmd_id != WIDE_ID(pkt->hdr.group_id, pkt->hdr.cmd)) continue; - if (unlikely(pkt_len < rx_h->min_size)) + if (IWL_FW_CHECK(mvm, pkt_len < rx_h->min_size, + "unexpected notification 0x%04x size %d, need %d\n", + rx_h->cmd_id, pkt_len, rx_h->min_size)) return; if (rx_h->context == RX_HANDLER_SYNC) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c index 9d8d9def9391..5c06839b87c2 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/rxmq.c @@ -985,10 +985,12 @@ static bool iwl_mvm_reorder(struct iwl_mvm *mvm, sta_mask = iwl_mvm_sta_fw_id_mask(mvm, sta, -1); rcu_read_unlock(); - if (WARN(tid != baid_data->tid || - !(sta_mask & baid_data->sta_mask), - "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but was received for sta_mask:0x%x tid:%d\n", - baid, baid_data->sta_mask, baid_data->tid, sta_mask, tid)) + if (IWL_FW_CHECK(mvm, + tid != baid_data->tid || + !(sta_mask & baid_data->sta_mask), + "baid 0x%x is mapped to sta_mask:0x%x tid:%d, but was received for sta_mask:0x%x tid:%d\n", + baid, baid_data->sta_mask, baid_data->tid, + sta_mask, tid)) return false; nssn = reorder & IWL_RX_MPDU_REORDER_NSSN_MASK; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index 6f34208a6307..f88636a73c8a 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -2075,7 +2075,8 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) u16 tfd_cnt; int i; - if (unlikely(sizeof(*ba_res) > pkt_len)) + if (IWL_FW_CHECK(mvm, sizeof(*ba_res) > pkt_len, + "short BA notification (%d)\n", pkt_len)) return; sta_id = ba_res->sta_id; @@ -2087,7 +2088,13 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) (void *)(uintptr_t)ba_res->reduced_txp; tfd_cnt = le16_to_cpu(ba_res->tfd_cnt); - if (!tfd_cnt || struct_size(ba_res, tfd, tfd_cnt) > pkt_len) + if (!tfd_cnt) + return; + + if (IWL_FW_CHECK(mvm, + struct_size(ba_res, tfd, tfd_cnt) > pkt_len, + "short BA notification (tfds:%d, size:%d)\n", + tfd_cnt, pkt_len)) return; rcu_read_lock(); @@ -2145,7 +2152,9 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) rcu_read_lock(); mvmsta = iwl_mvm_sta_from_staid_rcu(mvm, sta_id); - if (WARN_ON_ONCE(!mvmsta)) { + if (IWL_FW_CHECK(mvm, !mvmsta, + "invalid STA ID %d in BA notif\n", + sta_id)) { rcu_read_unlock(); return; } |