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wifi: iwlwifi: add STATUS_FW_ERROR API

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Add iwl_trans_notify_fw_error() and iwl_trans_is_fw_error() for use by
op modes. These helpers provide a clean interface for marking and
checking firmware error state. This hides the trans internal
implementation details from callers.

Signed-off-by: Rotem Kerem <rotem.kerem@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://patch.msgid.link/20250909061931.23f5160b3265.Iba325ffa4c6c6f7fc3a702fb6c1827b0857d0db3@changeid
This commit is contained in:
Rotem Kerem 2025-09-09 06:21:14 +03:00 committed by Miri Korenblit
parent ff46e2e703
commit 728d92a341
5 changed files with 21 additions and 10 deletions
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4
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@ -830,7 +830,7 @@ iwl_fw_error_dump_file(struct iwl_fw_runtime *fwrt,
}
/* reading RXF/TXF sizes */
if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status)) {
if (iwl_trans_is_fw_error(fwrt->trans)) {
fifo_len = iwl_fw_rxf_len(fwrt, mem_cfg);
fifo_len += iwl_fw_txf_len(fwrt, mem_cfg);
@ -3116,7 +3116,7 @@ static void iwl_send_dbg_dump_complete_cmd(struct iwl_fw_runtime *fwrt,
.len[0] = sizeof(hcmd_data),
};
if (test_bit(STATUS_FW_ERROR, &fwrt->trans->status))
if (iwl_trans_is_fw_error(fwrt->trans))
return;
if (fw_has_capa(&fwrt->fw->ucode_capa,

14
drivers/net/wireless/intel/iwlwifi/iwl-trans.h
View File

@ -1209,6 +1209,20 @@ static inline bool iwl_trans_is_dead(struct iwl_trans *trans)
return test_bit(STATUS_TRANS_DEAD, &trans->status);
}
static inline bool iwl_trans_is_fw_error(struct iwl_trans *trans)
{
return test_bit(STATUS_FW_ERROR, &trans->status);
}
/*
* This function notifies the transport layer of firmware error, the recovery
* will be handled by the op mode
*/
static inline void iwl_trans_notify_fw_error(struct iwl_trans *trans)
{
trans->state = IWL_TRANS_NO_FW;
set_bit(STATUS_FW_ERROR, &trans->status);
}
/*****************************************************
* PCIe handling
*****************************************************/

6
drivers/net/wireless/intel/iwlwifi/mld/d3.c
View File

@ -1213,8 +1213,7 @@ static int iwl_mld_wait_d3_notif(struct iwl_mld *mld,
ret = iwl_trans_d3_resume(mld->trans, false);
if (ret) {
/* Avoid sending commands if the FW is dead */
mld->trans->state = IWL_TRANS_NO_FW;
set_bit(STATUS_FW_ERROR, &mld->trans->status);
iwl_trans_notify_fw_error(mld->trans);
iwl_remove_notification(&mld->notif_wait, &wait_d3_notif);
return ret;
}
@ -1267,8 +1266,7 @@ int iwl_mld_no_wowlan_suspend(struct iwl_mld *mld)
if (ret) {
IWL_ERR(mld, "d3 suspend: trans_d3_suspend failed %d\n", ret);
/* We are going to stop the FW. Avoid sending commands in that flow */
mld->trans->state = IWL_TRANS_NO_FW;
set_bit(STATUS_FW_ERROR, &mld->trans->status);
iwl_trans_notify_fw_error(mld->trans);
} else {
/* Async notification might send hcmds, which is not allowed in suspend */
iwl_mld_cancel_async_notifications(mld);

5
drivers/net/wireless/intel/iwlwifi/mvm/d3.c
View File

@ -3102,7 +3102,7 @@ static int __iwl_mvm_resume(struct iwl_mvm *mvm)
rt_status = iwl_mvm_check_rt_status(mvm, vif);
if (rt_status != FW_ALIVE) {
set_bit(STATUS_FW_ERROR, &mvm->trans->status);
iwl_trans_notify_fw_error(mvm->trans);
if (rt_status == FW_ERROR) {
IWL_ERR(mvm, "FW Error occurred during suspend. Restarting.\n");
iwl_mvm_dump_nic_error_log(mvm);
@ -3272,7 +3272,7 @@ int iwl_mvm_fast_resume(struct iwl_mvm *mvm)
rt_status = iwl_mvm_check_rt_status(mvm, NULL);
if (rt_status != FW_ALIVE) {
set_bit(STATUS_FW_ERROR, &mvm->trans->status);
iwl_trans_notify_fw_error(mvm->trans);
if (rt_status == FW_ERROR) {
IWL_ERR(mvm,
"iwl_mvm_check_rt_status failed, device is gone during suspend\n");
@ -3284,7 +3284,6 @@ int iwl_mvm_fast_resume(struct iwl_mvm *mvm)
&iwl_dump_desc_assert,
false, 0);
}
mvm->trans->state = IWL_TRANS_NO_FW;
ret = -ENODEV;
goto out;

2
drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c
View File

@ -3539,7 +3539,7 @@ iwl_trans_pcie_dump_data(struct iwl_trans *trans, u32 dump_mask,
struct iwl_trans_dump_data *dump_data;
u32 len, num_rbs = 0, monitor_len = 0;
int i, ptr;
bool dump_rbs = test_bit(STATUS_FW_ERROR, &trans->status) &&
bool dump_rbs = iwl_trans_is_fw_error(trans) &&
!trans->mac_cfg->mq_rx_supported &&
dump_mask & BIT(IWL_FW_ERROR_DUMP_RB);