Hi,
thanks for your patch.
On Tue, Feb 11, 2020 at 01:09:30PM +0530, P J P wrote:
> From: Prasad J Pandit <p...@fedoraproject.org>
> diff --git a/hw/net/tulip.c b/hw/net/tulip.c
> index cfac2719d3..aca2a3f17f 100644
> --- a/hw/net/tulip.c
> +++ b/hw/net/tulip.c
> @@ -164,27 +164,35 @@ static void tulip_copy_rx_bytes(TULIPState *s, struct
> tulip_descriptor *desc)
> int len2 = (desc->control >> RDES1_BUF2_SIZE_SHIFT) &
> RDES1_BUF2_SIZE_MASK;
> int len;
>
> - if (s->rx_frame_len && len1) {
> - if (s->rx_frame_len > len1) {
> - len = len1;
> - } else {
> - len = s->rx_frame_len;
> - }
> - pci_dma_write(&s->dev, desc->buf_addr1, s->rx_frame +
> - (s->rx_frame_size - s->rx_frame_len), len);
> - s->rx_frame_len -= len;
> + if (!len1 || !len2 || !s->rx_frame_len) {
> + return;
I haven't tested the patch yet, but would that work if the guest OS passes
only one buffer to the card? I.e. len1 = x, and len2 = 0 because only
buffer 1 is available?
Regards
Sven
