diff mbox series

[2/4] usbnet: Accept mandatory USB_CDC_SET_ETHERNET_PACKET_FILTER request

Message ID 20220906183053.3625472-3-mcb30@ipxe.org
State New
Headers show
Series Fix USB network CDC-ECM mode support | expand

Commit Message

Michael Brown Sept. 6, 2022, 6:30 p.m. UTC 
The USB_CDC_SET_ETHERNET_PACKET_FILTER request is mandatory for
CDC-ECM devices.  Accept this request, ignoring the actual filter
value (to match the existing behaviour for RNDIS).

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---
 hw/usb/dev-network.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 61bf598870..155df935cd 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -1122,6 +1122,12 @@  static void usb_net_handle_control(USBDevice *dev, USBPacket *p,
 #endif
         break;
 
+    case ClassInterfaceOutRequest | USB_CDC_SET_ETHERNET_PACKET_FILTER:
+        if (is_rndis(s)) {
+            goto fail;
+        }
+        break;
+
     default:
     fail:
         fprintf(stderr, "usbnet: failed control transaction: "