Hi Rebecca,
Thanks for your response. I will fixed it next.
Thanks,
Richard
-----Original Message-----
From: Rebecca Cran <rebe...@quicinc.com>
Sent: 2022年12月5日 11:15 AM
To: devel@edk2.groups.io; Richard Ho (何明忠) <richar...@ami.com>
Cc: Andrew Fish <af...@apple.com>; Leif Lindholm <quic_llind...@quicinc.com>;
Michael D Kinney <michael.d.kin...@intel.com>; Michael Kubacki
<michael.kuba...@microsoft.com>; Zhiguang Liu <zhiguang....@intel.com>; Liming
Gao <gaolim...@byosoft.com.cn>; Tony Lo (羅金松) <ton...@ami.com>
Subject: [EXTERNAL] Re: [edk2-devel] [PATCH] UsbNetworkPkg: add USB network
devices support
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before opening attachments, clicking links, or following guidance.**
On 9/1/22 23:24, RichardHo [何明忠] via groups.io wrote:
> + DataLength = (UINTN)(Cpb->DataLen + (UINT32)Cpb->MediaheaderLen);
> +
> + while (1) {
> + if (Counter >= 3) {
> + StatCode = PXE_STATCODE_BUSY;
> + break;
> + }
> +
> + Status = Nic->UsbEth->UsbEthTransmit (Cdb, Nic->UsbEth, (VOID
> *)(UINTN)BulkOutData, &DataLength);
> + if (EFI_ERROR (Status)) {
> + StatCode = PXE_STATFLAGS_COMMAND_FAILED;
> + }
> +
> + if (Status == EFI_INVALID_PARAMETER) {
> + StatCode = PXE_STATCODE_INVALID_PARAMETER;
> + break;
> + }
> +
> + if (Status == EFI_DEVICE_ERROR) {
> + StatCode = PXE_STATCODE_DEVICE_FAILURE;
> + break;
> + }
> +
> + if (!EFI_ERROR (Status)) {
> + Nic->TxFrame++;
> + StatCode = PXE_STATCODE_SUCCESS;
> + break;
> + }
> +
> + Counter++;
> + }
You need to set DataLength inside the while loop, otherwise on subsequent
iterations DataLength will be whatever value UsbEthTransmit just set it to,
which will likely be 0 since an error occurred.
--
Rebecca Cran
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