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authorMichael Brown <mcb30@ipxe.org>2022-09-06 19:30:53 +0100
committerGerd Hoffmann <kraxel@redhat.com>2022-09-27 07:32:31 +0200
commitf3def4dd42531cb542bb0e004f375b9d89fd5853 (patch)
tree8d9a658316f0ae58543a1c72bb9e99c9bfdee9aa /hw
parent2423ee233872d07c7607ce26f9225c64b30b0dc3 (diff)
usbnet: Report link-up via interrupt endpoint in CDC-ECM mode
Signed-off-by: Michael Brown <mcb30@ipxe.org> Message-Id: <20220906183053.3625472-5-mcb30@ipxe.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/usb/dev-network.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/hw/usb/dev-network.c b/hw/usb/dev-network.c
index 9d83974ec9..ac1adca543 100644
--- a/hw/usb/dev-network.c
+++ b/hw/usb/dev-network.c
@@ -91,6 +91,8 @@ enum usbstring_idx {
#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
#define USB_CDC_GET_ETHERNET_STATISTIC 0x44
+#define USB_CDC_NETWORK_CONNECTION 0x00
+
#define LOG2_STATUS_INTERVAL_MSEC 5 /* 1 << 5 == 32 msec */
#define STATUS_BYTECOUNT 16 /* 8 byte header + data */
@@ -640,6 +642,8 @@ struct USBNetState {
uint16_t filter;
uint32_t vendorid;
+ uint16_t connection;
+
unsigned int out_ptr;
uint8_t out_buf[2048];
@@ -1140,18 +1144,28 @@ static void usb_net_handle_control(USBDevice *dev, USBPacket *p,
static void usb_net_handle_statusin(USBNetState *s, USBPacket *p)
{
- le32 buf[2];
+ le32 rbuf[2];
+ uint16_t ebuf[4];
if (p->iov.size < 8) {
p->status = USB_RET_STALL;
return;
}
- buf[0] = cpu_to_le32(1);
- buf[1] = cpu_to_le32(0);
- usb_packet_copy(p, buf, 8);
- if (!s->rndis_resp.tqh_first) {
- p->status = USB_RET_NAK;
+ if (is_rndis(s)) {
+ rbuf[0] = cpu_to_le32(1);
+ rbuf[1] = cpu_to_le32(0);
+ usb_packet_copy(p, rbuf, 8);
+ if (!s->rndis_resp.tqh_first) {
+ p->status = USB_RET_NAK;
+ }
+ } else {
+ ebuf[0] =
+ cpu_to_be16(ClassInterfaceRequest | USB_CDC_NETWORK_CONNECTION);
+ ebuf[1] = cpu_to_le16(s->connection);
+ ebuf[2] = cpu_to_le16(1);
+ ebuf[3] = cpu_to_le16(0);
+ usb_packet_copy(p, ebuf, 8);
}
#ifdef TRAFFIC_DEBUG
@@ -1366,6 +1380,7 @@ static void usb_net_realize(USBDevice *dev, Error **errp)
s->media_state = 0; /* NDIS_MEDIA_STATE_CONNECTED */;
s->filter = 0;
s->vendorid = 0x1234;
+ s->connection = 1; /* Connected */
s->intr = usb_ep_get(dev, USB_TOKEN_IN, 1);
s->bulk_in = usb_ep_get(dev, USB_TOKEN_IN, 2);