Messages in this thread | | | From | Felipe Balbi <> | Subject | RE: USB GADGET: have a question about usb2eth | Date | Mon, 17 Oct 2016 12:28:42 +0300 |
| |
Hi,
(please, avoid top-posting: http://daringfireball.net/2007/07/on_top)
Lipengcheng <lpc.li@hisilicon.com> writes: > Hi, > thank you for your suggestion. > > I have a question about usb2eth. In the function gen_ndis_set_resp > of the rndis.c, the value of *params->filter may be 0x20 from the > pc set command; Howerver the value is used cdc_filter = > dev->port_usb->cdc_filter in the function eth_start_xmit of the u_ether.c. > If we do not judge the RNDIS_PACKET_TYPE_PROMISCUOUS and the value is > 0x20, the broadcast packet can not send the pc win7; At the result, > the linux ping the win7 is slow an the first. At the same time, Why are > different value between RNDIS_PACKET_TYPE_PROMISCUOUS and > USB_CDC_PACKET_TYPE_PROMISCUOUS? If the value of RNDIS_PACKET_TYPE_PROMISCUOUS
because they are defined by different specifications. You should read both CDC specification from USB.org and RNDIS spec from Microsoft to understand the details of that.
> and USB_CDC_PACKET_TYPE_PROMISCUOUS is same, then the linux ping the win7 is > normal speed.
I don't understand what's going on here. Care to describe which kernel you're using, which USB peripheral controller, what is the actual problem you're trying to solve?
-- balbi [unhandled content-type:application/pgp-signature]
| |