3  * net/dsa/dsa2.c - Hardware switch handling, binding version 2
28  * dsa_tree_notify - Execute code for all switches in a DSA switch tree.
34  * each member DSA switch. The other alternative of traversing the tree is only
48  * dsa_broadcast - Notify all DSA trees in the system.
57  * between trees is asynchronous and not all DSA trees might have probed.
102 	 * driver can then return -EOPNOTSUPP back to DSA, which will  in dsa_lag_map()
374 		pr_err("DSA: tree %d has no CPU port\n", dst->index);  in dsa_tree_setup_default_cpu()
389 /* Perform initial assignment of CPU ports to user ports and DSA links in the
1066 		pr_err("DSA: tree %d already setup! Disjoint trees?\n",  in dsa_tree_setup()
1093 	pr_info("DSA: tree %d setup\n", dst->index);  in dsa_tree_setup()
1130 	pr_info("DSA: tree %d torn down\n", dst->index);  in dsa_tree_teardown()
1135 /* Since the dsa/tagging sysfs device attribute is per master, the assumption
1136  * is that all DSA switches within a tree share the same tagger, otherwise
1137  * they would have formed disjoint trees (different "dsa,member" values).
1235 	/* It is possible to stack DSA switches onto one another when that  in dsa_get_tag_protocol()
1247 	/* If the master device is not itself a DSA slave in a disjoint DSA  in dsa_get_tag_protocol()
1266 				"A DSA switch tree can have only one tagging protocol\n");  in dsa_port_parse_cpu()
1296 				"A DSA switch tree can have only one tagging protocol\n");  in dsa_port_parse_cpu()
1347 		user_protocol = of_get_property(dn, "dsa-tag-protocol", NULL);  in dsa_port_parse_of()
1411 	sz = of_property_read_variable_u32_array(dn, "dsa,member", m, 2, 2);  in dsa_switch_parse_member_of()
1423 			"A DSA switch with index %d already exists in tree %d\n",  in dsa_switch_parse_member_of()
1478 	if (!strcmp(name, "dsa"))  in dsa_port_parse()
1621 /* If the DSA master chooses to unregister its net_device on .shutdown, DSA is
1623  * netdev_upper_dev_link. Unlink the DSA slave interfaces from being uppers of
1624  * the DSA master, so that the system can reboot successfully.
1651 		 * device. If the master is also a DSA switch port, this will  in dsa_switch_shutdown()
1659 		 * the DSA slave interfaces too, to avoid the nonsensical  in dsa_switch_shutdown()