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
346 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_tx_login_io()
349 	hton24(login_rsp->dlength, login->rsp_length);  in iscsi_target_do_tx_login_io()
350 	memcpy(login_rsp->isid, login->isid, 6);  in iscsi_target_do_tx_login_io()
351 	login_rsp->tsih			= cpu_to_be16(login->tsih);  in iscsi_target_do_tx_login_io()
352 	login_rsp->itt			= login->init_task_tag;  in iscsi_target_do_tx_login_io()
361 		ntohl(login_rsp->statsn), login->rsp_length);  in iscsi_target_do_tx_login_io()
363 	padding = ((-login->rsp_length) & 3);  in iscsi_target_do_tx_login_io()
370 	if (login->login_complete) {  in iscsi_target_do_tx_login_io()
379 	if (conn->conn_transport->iscsit_put_login_tx(conn, login,  in iscsi_target_do_tx_login_io()
380 					login->rsp_length + padding) < 0)  in iscsi_target_do_tx_login_io()
383 	login->rsp_length		= 0;  in iscsi_target_do_tx_login_io()
388 	if (login->login_complete) {  in iscsi_target_do_tx_login_io()
502 static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_login_drop()  argument
504 	struct iscsi_np *np = login->np;  in iscsi_target_login_drop()
505 	bool zero_tsih = login->zero_tsih;  in iscsi_target_login_drop()
529 	struct iscsi_login *login = conn->login;  in iscsi_target_do_login_rx()  local
530 	struct iscsi_np *np = login->np;  in iscsi_target_do_login_rx()
534 	int rc, zero_tsih = login->zero_tsih;  in iscsi_target_do_login_rx()
547 		iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
562 			iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
578 	rc = conn->conn_transport->iscsit_get_login_rx(conn, login);  in iscsi_target_do_login_rx()
585 		iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
593 	rc = iscsi_target_do_login(conn, login);  in iscsi_target_do_login_rx()
596 		iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
618 	struct iscsi_login *login = conn->login;  in iscsi_target_do_cleanup()  local
619 	struct iscsi_np *np = login->np;  in iscsi_target_do_cleanup()
629 	iscsi_target_login_drop(conn, login);  in iscsi_target_do_cleanup()
693 	struct iscsi_login *login)  in iscsi_target_check_for_existing_instances()  argument
695 	if (login->checked_for_existing)  in iscsi_target_check_for_existing_instances()
698 	login->checked_for_existing = 1;  in iscsi_target_check_for_existing_instances()
700 	if (!login->tsih)  in iscsi_target_check_for_existing_instances()
703 		return iscsi_login_post_auth_non_zero_tsih(conn, login->cid,  in iscsi_target_check_for_existing_instances()
704 				login->initial_exp_statsn);  in iscsi_target_check_for_existing_instances()
709 	struct iscsi_login *login)  in iscsi_target_do_authentication()  argument
717 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_do_authentication()
718 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_authentication()
727 			login->req_buf,  in iscsi_target_do_authentication()
728 			login->rsp_buf,  in iscsi_target_do_authentication()
730 			&login->rsp_length,  in iscsi_target_do_authentication()
740 		login->auth_complete = 1;  in iscsi_target_do_authentication()
745 			login->current_stage = 1;  in iscsi_target_do_authentication()
748 				conn, login);  in iscsi_target_do_authentication()
768 	struct iscsi_login *login)  in iscsi_target_handle_csg_zero()  argument
776 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_handle_csg_zero()
777 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_handle_csg_zero()
787 			login->req_buf,  in iscsi_target_handle_csg_zero()
794 		if (login->auth_complete) {  in iscsi_target_handle_csg_zero()
812 	if (login->first_request)  in iscsi_target_handle_csg_zero()
813 		if (iscsi_target_check_first_request(conn, login) < 0)  in iscsi_target_handle_csg_zero()
819 			login->rsp_buf,  in iscsi_target_handle_csg_zero()
820 			&login->rsp_length,  in iscsi_target_handle_csg_zero()
837 		    !login->auth_complete)  in iscsi_target_handle_csg_zero()
840 		if (strncmp(param->value, NONE, 4) && !login->auth_complete)  in iscsi_target_handle_csg_zero()
847 			login->current_stage = 1;  in iscsi_target_handle_csg_zero()
853 	return iscsi_target_do_authentication(conn, login);  in iscsi_target_handle_csg_zero()
856 static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_handle_csg_one()  argument
863 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_handle_csg_one()
864 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_handle_csg_one()
870 			login->req_buf,  in iscsi_target_handle_csg_one()
879 	if (login->first_request)  in iscsi_target_handle_csg_one()
880 		if (iscsi_target_check_first_request(conn, login) < 0)  in iscsi_target_handle_csg_one()
883 	if (iscsi_target_check_for_existing_instances(conn, login) < 0)  in iscsi_target_handle_csg_one()
889 			login->rsp_buf,  in iscsi_target_handle_csg_one()
890 			&login->rsp_length,  in iscsi_target_handle_csg_one()
898 	if (!login->auth_complete &&  in iscsi_target_handle_csg_one()
917 static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_do_login()  argument
923 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_do_login()
924 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_login()
937 			if (iscsi_target_handle_csg_zero(conn, login) < 0)  in iscsi_target_do_login()
942 			if (iscsi_target_handle_csg_one(conn, login) < 0)  in iscsi_target_do_login()
945 				login->tsih = conn->sess->tsih;  in iscsi_target_do_login()
946 				login->login_complete = 1;  in iscsi_target_do_login()
949 						login) < 0)  in iscsi_target_do_login()
961 		if (iscsi_target_do_tx_login_io(conn, login) < 0)  in iscsi_target_do_login()
1010 	struct iscsi_login *login)  in iscsi_target_locate_portal()  argument
1026 	login->np = np;  in iscsi_target_locate_portal()
1028 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_locate_portal()
1037 	memcpy(tmpbuf, login->req_buf, payload_length);  in iscsi_target_locate_portal()
1080 		if (!login->leading_connection)  in iscsi_target_locate_portal()
1097 		if (!login->leading_connection)  in iscsi_target_locate_portal()
1193 	if (!login->leading_connection) {  in iscsi_target_locate_portal()
1244 	struct iscsi_login *login,  in iscsi_target_start_negotiation()  argument
1249 	ret = iscsi_target_do_login(conn, login);  in iscsi_target_start_negotiation()
1272 	struct iscsi_login *login = conn->conn_login;  in iscsi_target_nego_release()  local
1274 	if (!login)  in iscsi_target_nego_release()
1277 	kfree(login->req_buf);  in iscsi_target_nego_release()
1278 	kfree(login->rsp_buf);  in iscsi_target_nego_release()
1279 	kfree(login);  in iscsi_target_nego_release()