iwlwifi: mvm: sram hex dump on NIC error (0c393d4e) · Commits · 戴 / test

drivers/net/wireless/iwlwifi/mvm/mvm.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -524,6 +524,7 @@ int iwl_mvm_legacy_rate_to_mac80211_idx(u32 rate_n_flags,
		enum ieee80211_band band);
		u8 iwl_mvm_mac80211_idx_to_hwrate(int rate_idx);
		void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm);
		void iwl_mvm_dump_sram(struct iwl_mvm *mvm);
		u8 first_antenna(u8 mask);
		u8 iwl_mvm_next_antenna(struct iwl_mvm *mvm, u8 valid, u8 last_idx);

+2 −0

Original line number	Diff line number	Diff line
		@@ -678,6 +678,8 @@ static void iwl_mvm_nic_error(struct iwl_op_mode *op_mode)
		struct iwl_mvm *mvm = IWL_OP_MODE_GET_MVM(op_mode);

		iwl_mvm_dump_nic_error_log(mvm);
		if (!iwlwifi_mod_params.restart_fw)
		iwl_mvm_dump_sram(mvm);

		iwl_mvm_nic_restart(mvm);
		}

+23 −0

Original line number	Diff line number	Diff line
		@@ -453,6 +453,29 @@ void iwl_mvm_dump_nic_error_log(struct iwl_mvm *mvm)
		IWL_ERR(mvm, "0x%08X \| flow_handler\n", table.flow_handler);
		}

		void iwl_mvm_dump_sram(struct iwl_mvm *mvm)
		{
		const struct fw_img *img;
		int ofs, len = 0;
		u8 *buf;

		if (!mvm->ucode_loaded)
		return;

		img = &mvm->fw->img[mvm->cur_ucode];
		ofs = img->sec[IWL_UCODE_SECTION_DATA].offset;
		len = img->sec[IWL_UCODE_SECTION_DATA].len;

		buf = kzalloc(len, GFP_KERNEL);
		if (!buf)
		return;

		iwl_trans_read_mem_bytes(mvm->trans, ofs, buf, len);
		iwl_print_hex_error(mvm->trans, buf, len);

		kfree(buf);
		}

		/**
		* iwl_mvm_send_lq_cmd() - Send link quality command
		* @init: This command is sent as part of station initialization right