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Commit 7e275465 authored by Perry Hung's avatar Perry Hung Committed by Greg Kroah-Hartman
Browse files

greybus: svc: create bidirectional routes on hotplug request 



Upon receiving a hotplug request, we need to prepare the routing table
to allow packets to flow between the AP interface and the newly detected
interface.

Tested-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: default avatarViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: default avatarPerry Hung <perry@leaflabs.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@google.com>
parent e08aaa49

drivers/staging/greybus/svc.c

+19 −0
Original line number Diff line number Diff line
@@ -309,6 +309,25 @@ static int gb_svc_intf_hotplug_recv(struct gb_operation *op) 
		goto ida_put;

	}



	/*

	 * Create a two-way route between the AP and the new interface

	 */

	ret = route_create_operation(svc, hd->endo->ap_intf_id,

				     GB_DEVICE_ID_AP, intf_id, device_id);

	if (ret) {

		dev_err(dev, "%s: Route create operation failed, interface %hhu device_id %hhu (%d)\n",

			__func__, intf_id, device_id, ret);

		goto ida_put;

	}



	ret = route_create_operation(svc, intf_id, device_id,

				     hd->endo->ap_intf_id, GB_DEVICE_ID_AP);

	if (ret) {

		dev_err(dev, "%s: Route create operation failed, interface %hhu device_id %hhu (%d)\n",

			__func__, intf_id, device_id, ret);

		goto ida_put;

	}



	ret = gb_interface_init(intf, device_id);

	if (ret) {

		dev_err(dev, "%s: Failed to initialize interface, interface %hhu device_id %hhu (%d)\n",