3  * DSA topology and switch handling
24 #include "dsa.h"
78 	 * driver can then return -EOPNOTSUPP back to DSA, which will  in dsa_lag_map()
390 		pr_err("DSA: tree %d has no CPU port\n", dst->index);  in dsa_tree_setup_default_cpu()
423 /* Perform initial assignment of CPU ports to user ports and DSA links in the
507 				 "skipping link registration for DSA port %d\n",  in dsa_port_setup()
881 		pr_err("DSA: tree %d already setup! Disjoint trees?\n",  in dsa_tree_setup()
912 	pr_info("DSA: tree %d setup\n", dst->index);  in dsa_tree_setup()
947 	pr_info("DSA: tree %d torn down\n", dst->index);  in dsa_tree_teardown()
983 /* Since the dsa/tagging sysfs device attribute is per conduit, the assumption
984  * is that all DSA switches within a tree share the same tagger, otherwise
985  * they would have formed disjoint trees (different "dsa,member" values).
1052 	/* Don't keep track of admin state on LAG DSA conduits,  in dsa_tree_conduit_admin_state_change()
1053 	 * but rather just of physical DSA conduits  in dsa_tree_conduit_admin_state_change()
1075 	/* Don't keep track of oper state on LAG DSA conduits,  in dsa_tree_conduit_oper_state_change()
1076 	 * but rather just of physical DSA conduits  in dsa_tree_conduit_oper_state_change()
1141 	/* It is possible to stack DSA switches onto one another when that  in dsa_get_tag_protocol()
1153 	/* If the conduit device is not itself a DSA user in a disjoint DSA  in dsa_get_tag_protocol()
1172 				"A DSA switch tree can have only one tagging protocol\n");  in dsa_port_parse_cpu()
1209 				"A DSA switch tree can have only one tagging protocol\n");  in dsa_port_parse_cpu()
1261 		user_protocol = of_get_property(dn, "dsa-tag-protocol", NULL);  in dsa_port_parse_of()
1325 	sz = of_property_read_variable_u32_array(dn, "dsa,member", m, 2, 2);  in dsa_switch_parse_member_of()
1337 			"A DSA switch with index %d already exists in tree %d\n",  in dsa_switch_parse_member_of()
1428 	if (!strcmp(name, "dsa"))  in dsa_port_parse()
1603 /* If the DSA conduit chooses to unregister its net_device on .shutdown, DSA is
1605  * netdev_upper_dev_link. Unlink the DSA user interfaces from being uppers of
1606  * the DSA conduit, so that the system can reboot successfully.
1831 MODULE_ALIAS("platform:dsa");