From: Shahar S Matityahu <[email protected]> Differentiate between SW and HW error interrupts and support ini HW error trigger.
Signed-off-by: Shahar S Matityahu <[email protected]> Signed-off-by: Luca Coelho <[email protected]> --- drivers/net/wireless/intel/iwlwifi/fw/dbg.h | 10 ++++++++++ drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 2 ++ drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 7 +++---- drivers/net/wireless/intel/iwlwifi/pcie/rx.c | 1 + 4 files changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h index 13cb164a4fb9..cccf91db74c4 100644 --- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.h +++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.h @@ -458,4 +458,14 @@ static inline void iwl_fw_umac_set_alive_err_table(struct iwl_trans *trans, /* This bit is used to differentiate the legacy dump from the ini dump */ #define INI_DUMP_BIT BIT(31) +static inline void iwl_fw_error_collect(struct iwl_fw_runtime *fwrt) +{ + if (fwrt->trans->ini_valid && fwrt->trans->hw_error) { + _iwl_fw_dbg_ini_collect(fwrt, IWL_FW_TRIGGER_ID_FW_HW_ERROR); + fwrt->trans->hw_error = false; + } else { + iwl_fw_dbg_collect_desc(fwrt, &iwl_dump_desc_assert, false, 0); + } +} + #endif /* __iwl_fw_dbg_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index cef045d3f1bf..2235978adf70 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -768,6 +768,7 @@ struct iwl_self_init_dram { * @umac_error_event_table: addr of umac error table * @error_event_table_tlv_status: bitmap that indicates what error table * pointers was recevied via TLV. use enum &iwl_error_event_table_status + * @hw_error: equals true if hw error interrupt was received from the FW */ struct iwl_trans { const struct iwl_trans_ops *ops; @@ -831,6 +832,7 @@ struct iwl_trans { u32 umac_error_event_table; unsigned int error_event_table_tlv_status; wait_queue_head_t fw_halt_waitq; + bool hw_error; /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 3cc6048d6a10..8e2e4fa7914e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -1291,8 +1291,7 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) * can't recover this since we're already half suspended. */ if (!mvm->fw_restart && fw_error) { - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + iwl_fw_error_collect(&mvm->fwrt); } else if (test_bit(IWL_MVM_STATUS_IN_HW_RESTART, &mvm->status)) { struct iwl_mvm_reprobe *reprobe; @@ -1340,8 +1339,8 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error) } } - iwl_fw_dbg_collect_desc(&mvm->fwrt, &iwl_dump_desc_assert, - false, 0); + iwl_fw_error_collect(&mvm->fwrt); + if (fw_error && mvm->fw_restart > 0) mvm->fw_restart--; set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status); diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c index abe40196266b..69fcfa930791 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/rx.c @@ -2207,6 +2207,7 @@ irqreturn_t iwl_pcie_irq_msix_handler(int irq, void *dev_id) "Hardware error detected. Restarting.\n"); isr_stats->hw++; + trans->hw_error = true; iwl_pcie_irq_handle_error(trans); } -- 2.20.1
