185 	struct iscsi_login *login)  in iscsi_target_check_login_request()  argument
191 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_check_login_request()
217 	if (req_csg != login->current_stage) {  in iscsi_target_check_login_request()
219 			" from %d to %d, login failed.\n", login->current_stage,  in iscsi_target_check_login_request()
237 	if ((login_req->max_version != login->version_max) ||  in iscsi_target_check_login_request()
238 	    (login_req->min_version != login->version_min)) {  in iscsi_target_check_login_request()
247 	if (memcmp(login_req->isid, login->isid, 6) != 0) {  in iscsi_target_check_login_request()
255 	if (login_req->itt != login->init_task_tag) {  in iscsi_target_check_login_request()
275 	struct iscsi_login *login)  in iscsi_target_check_first_request()  argument
280 	login->first_request = 0;  in iscsi_target_check_first_request()
297 				if (!login->leading_connection)  in iscsi_target_check_first_request()
312 			if (!login->leading_connection) {  in iscsi_target_check_first_request()
341 static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_do_tx_login_io()  argument
347 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_tx_login_io()
350 	hton24(login_rsp->dlength, login->rsp_length);  in iscsi_target_do_tx_login_io()
351 	memcpy(login_rsp->isid, login->isid, 6);  in iscsi_target_do_tx_login_io()
352 	login_rsp->tsih			= cpu_to_be16(login->tsih);  in iscsi_target_do_tx_login_io()
353 	login_rsp->itt			= login->init_task_tag;  in iscsi_target_do_tx_login_io()
362 		ntohl(login_rsp->statsn), login->rsp_length);  in iscsi_target_do_tx_login_io()
364 	padding = ((-login->rsp_length) & 3);  in iscsi_target_do_tx_login_io()
371 	if (login->login_complete) {  in iscsi_target_do_tx_login_io()
380 	if (conn->conn_transport->iscsit_put_login_tx(conn, login,  in iscsi_target_do_tx_login_io()
381 					login->rsp_length + padding) < 0)  in iscsi_target_do_tx_login_io()
384 	login->rsp_length		= 0;  in iscsi_target_do_tx_login_io()
393 	if (login->login_complete) {  in iscsi_target_do_tx_login_io()
507 static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_login_drop()  argument
509 	struct iscsi_np *np = login->np;  in iscsi_target_login_drop()
510 	bool zero_tsih = login->zero_tsih;  in iscsi_target_login_drop()
534 	struct iscsi_login *login = conn->login;  in iscsi_target_do_login_rx()  local
535 	struct iscsi_np *np = login->np;  in iscsi_target_do_login_rx()
539 	int rc, zero_tsih = login->zero_tsih;  in iscsi_target_do_login_rx()
552 		iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
567 			iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
583 	rc = conn->conn_transport->iscsit_get_login_rx(conn, login);  in iscsi_target_do_login_rx()
590 		iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
598 	rc = iscsi_target_do_login(conn, login);  in iscsi_target_do_login_rx()
601 		iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
623 	struct iscsi_login *login = conn->login;  in iscsi_target_do_cleanup()  local
624 	struct iscsi_np *np = login->np;  in iscsi_target_do_cleanup()
634 	iscsi_target_login_drop(conn, login);  in iscsi_target_do_cleanup()
698 	struct iscsi_login *login)  in iscsi_target_check_for_existing_instances()  argument
700 	if (login->checked_for_existing)  in iscsi_target_check_for_existing_instances()
703 	login->checked_for_existing = 1;  in iscsi_target_check_for_existing_instances()
705 	if (!login->tsih)  in iscsi_target_check_for_existing_instances()
708 		return iscsi_login_post_auth_non_zero_tsih(conn, login->cid,  in iscsi_target_check_for_existing_instances()
709 				login->initial_exp_statsn);  in iscsi_target_check_for_existing_instances()
714 	struct iscsi_login *login)  in iscsi_target_do_authentication()  argument
722 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_do_authentication()
723 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_authentication()
732 			login->req_buf,  in iscsi_target_do_authentication()
733 			login->rsp_buf,  in iscsi_target_do_authentication()
735 			&login->rsp_length,  in iscsi_target_do_authentication()
745 		login->auth_complete = 1;  in iscsi_target_do_authentication()
750 			login->current_stage = 1;  in iscsi_target_do_authentication()
753 				conn, login);  in iscsi_target_do_authentication()
773 	struct iscsi_login *login)  in iscsi_target_handle_csg_zero()  argument
781 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_handle_csg_zero()
782 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_handle_csg_zero()
792 			login->req_buf,  in iscsi_target_handle_csg_zero()
799 		if (login->auth_complete) {  in iscsi_target_handle_csg_zero()
817 	if (login->first_request)  in iscsi_target_handle_csg_zero()
818 		if (iscsi_target_check_first_request(conn, login) < 0)  in iscsi_target_handle_csg_zero()
824 			login->rsp_buf,  in iscsi_target_handle_csg_zero()
825 			&login->rsp_length,  in iscsi_target_handle_csg_zero()
842 		    !login->auth_complete)  in iscsi_target_handle_csg_zero()
845 		if (strncmp(param->value, NONE, 4) && !login->auth_complete)  in iscsi_target_handle_csg_zero()
852 			login->current_stage = 1;  in iscsi_target_handle_csg_zero()
858 	return iscsi_target_do_authentication(conn, login);  in iscsi_target_handle_csg_zero()
861 static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_handle_csg_one()  argument
868 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_handle_csg_one()
869 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_handle_csg_one()
875 			login->req_buf,  in iscsi_target_handle_csg_one()
884 	if (login->first_request)  in iscsi_target_handle_csg_one()
885 		if (iscsi_target_check_first_request(conn, login) < 0)  in iscsi_target_handle_csg_one()
888 	if (iscsi_target_check_for_existing_instances(conn, login) < 0)  in iscsi_target_handle_csg_one()
894 			login->rsp_buf,  in iscsi_target_handle_csg_one()
895 			&login->rsp_length,  in iscsi_target_handle_csg_one()
903 	if (!login->auth_complete &&  in iscsi_target_handle_csg_one()
922 static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_do_login()  argument
928 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_do_login()
929 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_login()
942 			if (iscsi_target_handle_csg_zero(conn, login) < 0)  in iscsi_target_do_login()
947 			if (iscsi_target_handle_csg_one(conn, login) < 0)  in iscsi_target_do_login()
950 				login->tsih = conn->sess->tsih;  in iscsi_target_do_login()
951 				login->login_complete = 1;  in iscsi_target_do_login()
954 						login) < 0)  in iscsi_target_do_login()
966 		if (iscsi_target_do_tx_login_io(conn, login) < 0)  in iscsi_target_do_login()
1015 	struct iscsi_login *login)  in iscsi_target_locate_portal()  argument
1031 	login->np = np;  in iscsi_target_locate_portal()
1033 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_locate_portal()
1042 	memcpy(tmpbuf, login->req_buf, payload_length);  in iscsi_target_locate_portal()
1085 		if (!login->leading_connection)  in iscsi_target_locate_portal()
1102 		if (!login->leading_connection)  in iscsi_target_locate_portal()
1198 	if (!login->leading_connection) {  in iscsi_target_locate_portal()
1249 	struct iscsi_login *login,  in iscsi_target_start_negotiation()  argument
1254 	ret = iscsi_target_do_login(conn, login);  in iscsi_target_start_negotiation()
1277 	struct iscsi_login *login = conn->conn_login;  in iscsi_target_nego_release()  local
1279 	if (!login)  in iscsi_target_nego_release()
1282 	kfree(login->req_buf);  in iscsi_target_nego_release()
1283 	kfree(login->rsp_buf);  in iscsi_target_nego_release()
1284 	kfree(login);  in iscsi_target_nego_release()