drivers/thunderbolt/path.c

163 	path->hops = kcalloc(num_hops, sizeof(*path->hops), GFP_KERNEL);
164 	if (!path->hops) {
198 		path->hops[i].in_port = p;
199 		path->hops[i].in_hop_index = h;
200 		path->hops[i].in_counter_index = -1;
201 		path->hops[i].out_port = out_port;
202 		path->hops[i].next_hop_index = next_hop;
204 		tb_dump_hop(&path->hops[i], &hop);
270 	path->hops = kcalloc(num_hops, sizeof(*path->hops), GFP_KERNEL);
271 	if (!path->hops) {
332 		path->hops[i].in_hop_index = in_hopid;
333 		path->hops[i].in_port = in_port;
334 		path->hops[i].in_counter_index = -1;
335 		path->hops[i].out_port = out_port;
336 		path->hops[i].next_hop_index = out_hopid;
364 			const struct tb_path_hop *hop = &path->hops[i];
375 	kfree(path->hops);
383 		res = tb_port_add_nfc_credits(path->hops[i].in_port,
384 					      -path->hops[i].nfc_credits);
386 			tb_port_warn(path->hops[i].in_port,
467 		res = __tb_path_deactivate_hop(path->hops[i].in_port,
468 					       path->hops[i].in_hop_index,
471 			tb_port_warn(path->hops[i].in_port,
473 				     i, path->hops[i].in_hop_index);
485 	       path->name, tb_route(path->hops[0].in_port->sw),
486 	       path->hops[0].in_port->port,
487 	       tb_route(path->hops[path->path_length - 1].out_port->sw),
488 	       path->hops[path->path_length - 1].out_port->port);
499  * caller must fill path->hops before calling tb_path_activate().
514 	       path->name, tb_route(path->hops[0].in_port->sw),
515 	       path->hops[0].in_port->port,
516 	       tb_route(path->hops[path->path_length - 1].out_port->sw),
517 	       path->hops[path->path_length - 1].out_port->port);
521 		if (path->hops[i].in_counter_index == -1)
523 		res = tb_port_clear_counter(path->hops[i].in_port,
524 					    path->hops[i].in_counter_index);
531 		res = tb_port_add_nfc_credits(path->hops[i].in_port,
532 					      path->hops[i].nfc_credits);
539 	/* Activate hops. */
544 		__tb_path_deactivate_hop(path->hops[i].in_port,
545 				path->hops[i].in_hop_index, path->clear_fc);
548 		hop.next_hop = path->hops[i].next_hop_index;
549 		hop.out_port = path->hops[i].out_port->port;
550 		hop.initial_credits = path->hops[i].initial_credits;
551 		hop.pmps = path->hops[i].pm_support;
563 		hop.counter = path->hops[i].in_counter_index;
564 		hop.counter_enable = path->hops[i].in_counter_index != -1;
573 		tb_port_dbg(path->hops[i].in_port, "Writing hop %d\n", i);
574 		tb_dump_hop(&path->hops[i], &hop);
575 		res = tb_port_write(path->hops[i].in_port, &hop, TB_CFG_HOPS,
576 				    2 * path->hops[i].in_hop_index, 2);
601 		if (path->hops[i].in_port->sw->is_unplugged)
603 		if (path->hops[i].out_port->sw->is_unplugged)
614  * Goes over all hops on path and checks if @port is any of them.
622 		if (path->hops[i].in_port == port ||
623 		    path->hops[i].out_port == port)