infiniband/core/mad.c

91 static int method_in_use(struct ib_mad_mgmt_method_table **method,
187 	struct ib_mad_mgmt_method_table *method;
192 			method = vendor_class->method_table[i];
193 			if (method) {
194 				if (method_in_use(&method, mad_reg_req))
206 	return ((hdr->method & IB_MGMT_METHOD_RESP) ||
207 		(hdr->method == IB_MGMT_METHOD_TRAP_REPRESS) ||
235 	struct ib_mad_mgmt_method_table *method;
431 				method = class->method_table[mgmt_class];
432 				if (method) {
433 					if (method_in_use(&method,
1183 static int method_in_use(struct ib_mad_mgmt_method_table **method,
1189 		if ((*method)->agent[i]) {
1197 static int allocate_method_table(struct ib_mad_mgmt_method_table **method)
1199 	/* Allocate management method table */
1200 	*method = kzalloc(sizeof **method, GFP_ATOMIC);
1201 	return (*method) ? 0 : (-ENOMEM);
1207 static int check_method_table(struct ib_mad_mgmt_method_table *method)
1212 		if (method->agent[i])
1218  * Check to see if there are any method tables for this class still in use
1264 static void remove_methods_mad_agent(struct ib_mad_mgmt_method_table *method,
1271 		if (method->agent[i] == agent)
1272 			method->agent[i] = NULL;
1281 	struct ib_mad_mgmt_method_table **method;
1294 		/* Allocate method table for this management class */
1295 		method = &(*class)->method_table[mgmt_class];
1296 		if ((ret = allocate_method_table(method)))
1299 		method = &(*class)->method_table[mgmt_class];
1300 		if (!*method) {
1301 			/* Allocate method table for this management class */
1302 			if ((ret = allocate_method_table(method)))
1308 	if (method_in_use(method, mad_reg_req))
1313 		(*method)->agent[i] = agent_priv;
1319 	remove_methods_mad_agent(*method, agent_priv);
1321 	if (!check_method_table(*method)) {
1322 		/* If not, release management method table */
1323 		kfree(*method);
1324 		*method = NULL;
1342 	struct ib_mad_mgmt_method_table **method;
1371 			method = &(*vendor_table)->vendor_class[
1373 			if (!*method)
1382 			method = &(*vendor_table)->vendor_class[
1384 			/* Allocate method table for this OUI */
1385 			if (!*method) {
1386 				ret = allocate_method_table(method);
1400 	if (method_in_use(method, mad_reg_req))
1405 		(*method)->agent[i] = agent_priv;
1411 	remove_methods_mad_agent(*method, agent_priv);
1413 	if (!check_method_table(*method)) {
1414 		/* If not, release management method table */
1415 		kfree(*method);
1416 		*method = NULL;
1437 	struct ib_mad_mgmt_method_table *method;
1457 	method = class->method_table[mgmt_class];
1458 	if (method) {
1460 		remove_methods_mad_agent(method, agent_priv);
1462 		if (!check_method_table(method)) {
1463 			/* If not, release management method table */
1464 			kfree(method);
1494 		method = vendor_class->method_table[index];
1495 		if (method) {
1497 			remove_methods_mad_agent(method, agent_priv);
1502 			if (!check_method_table(method)) {
1503 				/* If not, release management method table */
1504 				kfree(method);
1551 		struct ib_mad_mgmt_method_table *method;
1559 		 * Routing is based on version, class, and method
1572 			method = class->method_table[convert_mgmt_class(
1574 			if (method)
1575 				mad_agent = method->agent[mad_hdr->method &
1591 			method = vendor_class->method_table[index];
1592 			if (method) {
1593 				mad_agent = method->agent[mad_hdr->method &
1635 		/* CM attributes other than ClassPortInfo only use Send method */
1638 		    (mad_hdr->method != IB_MGMT_METHOD_SEND))
1914 	if (recv_hdr->method == IB_MGMT_METHOD_GET ||
1915 	    recv_hdr->method == IB_MGMT_METHOD_SET) {
1920 		resp_hdr->method = IB_MGMT_METHOD_GET_RESP;