Re: [PATCH net] net: fec: remove the xdp_return_frame when lack of tx BDs

From: Horatiu Vultur
Date: Fri May 12 2023 - 09:57:24 EST


The 05/12/2023 08:38, Shenwei Wang wrote:
>
> In the implementation, the sent_frame count does not increment when
> transmit errors occur. Therefore, bq_xmit_all() will take care of
> returning the XDP frames.

Reviewed-by: Horatiu Vultur <horatiu.vultur@xxxxxxxxxxxxx>

>
> Fixes: 26312c685ae0 ("net: fec: correct the counting of XDP sent frames")
> Signed-off-by: Shenwei Wang <shenwei.wang@xxxxxxx>
> ---
> drivers/net/ethernet/freescale/fec_main.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
> index 42ec6ca3bf03..2a3e8b69b70a 100644
> --- a/drivers/net/ethernet/freescale/fec_main.c
> +++ b/drivers/net/ethernet/freescale/fec_main.c
> @@ -3798,7 +3798,6 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
> entries_free = fec_enet_get_free_txdesc_num(txq);
> if (entries_free < MAX_SKB_FRAGS + 1) {
> netdev_err(fep->netdev, "NOT enough BD for SG!\n");
> - xdp_return_frame(frame);
> return NETDEV_TX_BUSY;
> }
>
> --
> 2.34.1
>
>

--
/Horatiu