3  * DSA topology and switch handling
24 #include "dsa.h"
79 	 * driver can then return -EOPNOTSUPP back to DSA, which will  in dsa_lag_map()
391 		pr_err("DSA: tree %d has no CPU port\n", dst->index);  in dsa_tree_setup_default_cpu()
424 /* Perform initial assignment of CPU ports to user ports and DSA links in the
508 				 "skipping link registration for DSA port %d\n",  in dsa_port_setup()
876 		pr_err("DSA: tree %d already setup! Disjoint trees?\n",  in dsa_tree_setup()
907 	pr_info("DSA: tree %d setup\n", dst->index);  in dsa_tree_setup()
945 	pr_info("DSA: tree %d torn down\n", dst->index);  in dsa_tree_teardown()
981 /* Since the dsa/tagging sysfs device attribute is per master, the assumption
982  * is that all DSA switches within a tree share the same tagger, otherwise
983  * they would have formed disjoint trees (different "dsa,member" values).
1050 	/* Don't keep track of admin state on LAG DSA masters,  in dsa_tree_master_admin_state_change()
1051 	 * but rather just of physical DSA masters  in dsa_tree_master_admin_state_change()
1073 	/* Don't keep track of oper state on LAG DSA masters,  in dsa_tree_master_oper_state_change()
1074 	 * but rather just of physical DSA masters  in dsa_tree_master_oper_state_change()
1139 	/* It is possible to stack DSA switches onto one another when that  in dsa_get_tag_protocol()
1151 	/* If the master device is not itself a DSA slave in a disjoint DSA  in dsa_get_tag_protocol()
1170 				"A DSA switch tree can have only one tagging protocol\n");  in dsa_port_parse_cpu()
1207 				"A DSA switch tree can have only one tagging protocol\n");  in dsa_port_parse_cpu()
1259 		user_protocol = of_get_property(dn, "dsa-tag-protocol", NULL);  in dsa_port_parse_of()
1323 	sz = of_property_read_variable_u32_array(dn, "dsa,member", m, 2, 2);  in dsa_switch_parse_member_of()
1335 			"A DSA switch with index %d already exists in tree %d\n",  in dsa_switch_parse_member_of()
1426 	if (!strcmp(name, "dsa"))  in dsa_port_parse()
1569 /* If the DSA master chooses to unregister its net_device on .shutdown, DSA is
1571  * netdev_upper_dev_link. Unlink the DSA slave interfaces from being uppers of
1572  * the DSA master, so that the system can reboot successfully.
1790 MODULE_ALIAS("platform:dsa");