void pal_OEM_1S_MSG_OUT()

in meta-facebook/yv35-bb/src/ipmi/plat_ipmi.c [451:531]

• 65 lines of code
• 15 McCabe index (conditional complexity)

void pal_OEM_1S_MSG_OUT(ipmi_msg *msg)
{
	uint8_t target_IF;
	ipmb_error status;
	ipmi_msg *bridge_msg;

	if (msg->completion_code != CC_INVALID_IANA) {
		msg->completion_code = CC_SUCCESS;
	}

	if (msg->data_len <= 2) { // Should input target, netfn, cmd
		msg->completion_code = CC_INVALID_LENGTH;
	}

	target_IF = msg->data[0];

	// To do: send SEL to another BMC
	if (target_IF == PEER_BMC_IPMB_IFs) {
		if (msg->InF_source == SLOT1_BIC_IFs) {
			target_IF = SLOT3_BIC_IFs;
		} else if (msg->InF_source == SLOT3_BIC_IFs) {
			target_IF = SLOT1_BIC_IFs;
		} else {
			msg->completion_code = CC_INVALID_DATA_FIELD;
		}
	}

	if ((IPMB_config_table[IPMB_inf_index_map[target_IF]].Inf == Reserve_IFs) ||
	    (IPMB_config_table[IPMB_inf_index_map[target_IF]].EnStatus ==
	     Disable)) { // Bridge to invalid or disabled interface
		printf("OEM_MSG_OUT: Invalid bridge interface: %x\n", target_IF);
		msg->completion_code = CC_NOT_SUPP_IN_CURR_STATE;
	}

	if (msg->completion_code == CC_SUCCESS) { // only send to target while msg is valid
		bridge_msg = (ipmi_msg *)malloc(sizeof(ipmi_msg));
		if (bridge_msg == NULL) {
			msg->completion_code = CC_OUT_OF_SPACE;
		} else {
			memset(bridge_msg, 0, sizeof(ipmi_msg));

			if (DEBUG_IPMI) {
				printf("bridge targetIf %x, len %d, netfn %x, cmd %x\n", target_IF,
				       msg->data_len, msg->data[1] >> 2, msg->data[2]);
			}

			bridge_msg->data_len = msg->data_len - 3;
			bridge_msg->seq_source = msg->seq_source;
			bridge_msg->InF_target = msg->data[0];
			bridge_msg->InF_source = msg->InF_source;
			bridge_msg->netfn = msg->data[1] >> 2;
			bridge_msg->cmd = msg->data[2];

			if (bridge_msg->data_len != 0) {
				memcpy(&bridge_msg->data[0], &msg->data[3],
				       bridge_msg->data_len * sizeof(msg->data[0]));
			}

			status = ipmb_send_request(bridge_msg, IPMB_inf_index_map[target_IF]);

			if (status != ipmb_error_success) {
				printf("OEM_MSG_OUT send IPMB req fail status: %x", status);
				msg->completion_code = CC_BRIDGE_MSG_ERR;
			}
			free(bridge_msg);
		}
	}

	if (msg->completion_code !=
	    CC_SUCCESS) { // Return to source while data is invalid or sending req to Tx task fail

		msg->data_len = 0;
		status = ipmb_send_response(msg, IPMB_inf_index_map[msg->InF_source]);

		if (status != ipmb_error_success) {
			printf("OEM_MSG_OUT send IPMB resp fail status: %x", status);
		}
	}

	return;
}