net/ipv4/cipso_ipv4.c

632  * cipso_v4_map_lvl_valid - Checks to see if the given level is understood
634  * @level: the level to check
637  * Checks the given level against the given DOI definition and returns a
638  * negative value if the level does not have a valid mapping and a zero value
639  * if the level is defined by the DOI.
642 static int cipso_v4_map_lvl_valid(const struct cipso_v4_doi *doi_def, u8 level)
648 		if ((level < doi_def->map.std->lvl.cipso_size) &&
649 		    (doi_def->map.std->lvl.cipso[level] < CIPSO_V4_INV_LVL))
658  * cipso_v4_map_lvl_hton - Perform a level mapping from the host to the network
660  * @host_lvl: the host MLS level
661  * @net_lvl: the network/CIPSO MLS level
664  * Perform a label mapping to translate a local MLS level to the correct
665  * CIPSO level using the given DOI definition.  Returns zero on success,
690  * cipso_v4_map_lvl_ntoh - Perform a level mapping from the network to the host
692  * @net_lvl: the network/CIPSO MLS level
693  * @host_lvl: the host MLS level
696  * Perform a label mapping to translate a CIPSO level to the correct local MLS
697  * level using the given DOI definition.  Returns zero on success, negative
1178 	u32 level;
1185 					&level);
1210 	buffer[3] = level;
1233 	u32 level;
1235 	ret_val = cipso_v4_map_lvl_ntoh(doi_def, tag[3], &level);
1238 	secattr->attr.mls.lvl = level;
1277 	u32 level;
1284 					&level);
1302 	buffer[3] = level;
1325 	u32 level;
1327 	ret_val = cipso_v4_map_lvl_ntoh(doi_def, tag[3], &level);
1330 	secattr->attr.mls.lvl = level;
1368 	u32 level;
1375 					&level);
1393 	buffer[3] = level;
1415 	u32 level;
1417 	ret_val = cipso_v4_map_lvl_ntoh(doi_def, tag[3], &level);
1420 	secattr->attr.mls.lvl = level;