From f3def4dd42531cb542bb0e004f375b9d89fd5853 Mon Sep 17 00:00:00 2001 From: Michael Brown Date: Tue, 6 Sep 2022 19:30:53 +0100 Subject: [PATCH] usbnet: Report link-up via interrupt endpoint in CDC-ECM mode Signed-off-by: Michael Brown Message-Id: <20220906183053.3625472-5-mcb30@ipxe.org> Signed-off-by: Gerd Hoffmann --- hw/usb/dev-network.c | 27 +++++++++++++++++++++------ 1 file 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);