169 	struct iscsi_login *login)  in iscsi_target_check_login_request()  argument
175 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_check_login_request()
201 	if (req_csg != login->current_stage) {  in iscsi_target_check_login_request()
203 			" from %d to %d, login failed.\n", login->current_stage,  in iscsi_target_check_login_request()
221 	if ((login_req->max_version != login->version_max) ||  in iscsi_target_check_login_request()
222 	    (login_req->min_version != login->version_min)) {  in iscsi_target_check_login_request()
231 	if (memcmp(login_req->isid, login->isid, 6) != 0) {  in iscsi_target_check_login_request()
239 	if (login_req->itt != login->init_task_tag) {  in iscsi_target_check_login_request()
260 	struct iscsi_login *login)  in iscsi_target_check_first_request()  argument
265 	login->first_request = 0;  in iscsi_target_check_first_request()
282 				if (!login->leading_connection)  in iscsi_target_check_first_request()
297 			if (!login->leading_connection) {  in iscsi_target_check_first_request()
326 static int iscsi_target_do_tx_login_io(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_do_tx_login_io()  argument
331 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_tx_login_io()
334 	hton24(login_rsp->dlength, login->rsp_length);  in iscsi_target_do_tx_login_io()
335 	memcpy(login_rsp->isid, login->isid, 6);  in iscsi_target_do_tx_login_io()
336 	login_rsp->tsih			= cpu_to_be16(login->tsih);  in iscsi_target_do_tx_login_io()
337 	login_rsp->itt			= login->init_task_tag;  in iscsi_target_do_tx_login_io()
346 		ntohl(login_rsp->statsn), login->rsp_length);  in iscsi_target_do_tx_login_io()
348 	padding = ((-login->rsp_length) & 3);  in iscsi_target_do_tx_login_io()
355 	if (login->login_complete) {  in iscsi_target_do_tx_login_io()
364 	if (conn->conn_transport->iscsit_put_login_tx(conn, login,  in iscsi_target_do_tx_login_io()
365 					login->rsp_length + padding) < 0)  in iscsi_target_do_tx_login_io()
368 	login->rsp_length		= 0;  in iscsi_target_do_tx_login_io()
373 	if (login->login_complete) {  in iscsi_target_do_tx_login_io()
536 static void iscsi_target_login_drop(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_login_drop()  argument
538 	bool zero_tsih = login->zero_tsih;  in iscsi_target_login_drop()
568 	struct iscsi_login *login = conn->login;  in iscsi_target_do_login_rx()  local
569 	struct iscsi_np *np = login->np;  in iscsi_target_do_login_rx()
573 	int rc, zero_tsih = login->zero_tsih;  in iscsi_target_do_login_rx()
615 	rc = conn->conn_transport->iscsit_get_login_rx(conn, login);  in iscsi_target_do_login_rx()
649 	rc = iscsi_target_do_login(conn, login);  in iscsi_target_do_login_rx()
667 	iscsi_target_login_drop(conn, login);  in iscsi_target_do_login_rx()
753 	struct iscsi_login *login)  in iscsi_target_check_for_existing_instances()  argument
755 	if (login->checked_for_existing)  in iscsi_target_check_for_existing_instances()
758 	login->checked_for_existing = 1;  in iscsi_target_check_for_existing_instances()
760 	if (!login->tsih)  in iscsi_target_check_for_existing_instances()
763 		return iscsi_login_post_auth_non_zero_tsih(conn, login->cid,  in iscsi_target_check_for_existing_instances()
764 				login->initial_exp_statsn);  in iscsi_target_check_for_existing_instances()
769 	struct iscsi_login *login)  in iscsi_target_do_authentication()  argument
777 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_do_authentication()
778 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_authentication()
787 			login->req_buf,  in iscsi_target_do_authentication()
788 			login->rsp_buf,  in iscsi_target_do_authentication()
790 			&login->rsp_length,  in iscsi_target_do_authentication()
800 		login->auth_complete = 1;  in iscsi_target_do_authentication()
805 			login->current_stage = 1;  in iscsi_target_do_authentication()
808 				conn, login);  in iscsi_target_do_authentication()
828 	struct iscsi_login *login)  in iscsi_target_handle_csg_zero()  argument
836 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_handle_csg_zero()
837 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_handle_csg_zero()
847 			login->req_buf,  in iscsi_target_handle_csg_zero()
854 		if (login->auth_complete) {  in iscsi_target_handle_csg_zero()
872 	if (login->first_request)  in iscsi_target_handle_csg_zero()
873 		if (iscsi_target_check_first_request(conn, login) < 0)  in iscsi_target_handle_csg_zero()
879 			login->rsp_buf,  in iscsi_target_handle_csg_zero()
880 			&login->rsp_length,  in iscsi_target_handle_csg_zero()
898 		    !login->auth_complete)  in iscsi_target_handle_csg_zero()
901 		if (strncmp(param->value, NONE, 4) && !login->auth_complete)  in iscsi_target_handle_csg_zero()
908 			login->current_stage = 1;  in iscsi_target_handle_csg_zero()
914 	return iscsi_target_do_authentication(conn, login);  in iscsi_target_handle_csg_zero()
917 static int iscsi_target_handle_csg_one(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_handle_csg_one()  argument
924 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_handle_csg_one()
925 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_handle_csg_one()
931 			login->req_buf,  in iscsi_target_handle_csg_one()
940 	if (login->first_request)  in iscsi_target_handle_csg_one()
941 		if (iscsi_target_check_first_request(conn, login) < 0)  in iscsi_target_handle_csg_one()
944 	if (iscsi_target_check_for_existing_instances(conn, login) < 0)  in iscsi_target_handle_csg_one()
950 			login->rsp_buf,  in iscsi_target_handle_csg_one()
951 			&login->rsp_length,  in iscsi_target_handle_csg_one()
960 	if (!login->auth_complete &&  in iscsi_target_handle_csg_one()
979 static int iscsi_target_do_login(struct iscsi_conn *conn, struct iscsi_login *login)  in iscsi_target_do_login()  argument
985 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_do_login()
986 	login_rsp = (struct iscsi_login_rsp *) login->rsp;  in iscsi_target_do_login()
999 			if (iscsi_target_handle_csg_zero(conn, login) < 0)  in iscsi_target_do_login()
1004 			if (iscsi_target_handle_csg_one(conn, login) < 0)  in iscsi_target_do_login()
1016 				login->tsih = conn->sess->tsih;  in iscsi_target_do_login()
1017 				login->login_complete = 1;  in iscsi_target_do_login()
1020 						login) < 0)  in iscsi_target_do_login()
1032 		if (iscsi_target_do_tx_login_io(conn, login) < 0)  in iscsi_target_do_login()
1066 	struct iscsi_login *login)  in iscsi_target_locate_portal()  argument
1081 	login->np = np;  in iscsi_target_locate_portal()
1083 	login_req = (struct iscsi_login_req *) login->req;  in iscsi_target_locate_portal()
1092 	memcpy(tmpbuf, login->req_buf, payload_length);  in iscsi_target_locate_portal()
1135 		if (!login->leading_connection)  in iscsi_target_locate_portal()
1152 		if (!login->leading_connection)  in iscsi_target_locate_portal()
1248 	if (!login->leading_connection) {  in iscsi_target_locate_portal()
1299 	struct iscsi_login *login,  in iscsi_target_start_negotiation()  argument
1321 	ret = iscsi_target_do_login(conn, login);  in iscsi_target_start_negotiation()
1338 	struct iscsi_login *login = conn->conn_login;  in iscsi_target_nego_release()  local
1340 	if (!login)  in iscsi_target_nego_release()
1343 	kfree(login->req_buf);  in iscsi_target_nego_release()
1344 	kfree(login->rsp_buf);  in iscsi_target_nego_release()
1345 	kfree(login);  in iscsi_target_nego_release()