Commit 672f9a21 authored by Vladimir Oltean's avatar Vladimir Oltean Committed by David S. Miller
Browse files

net: enetc: recycle buffers for frames with RX errors 



When receiving a frame with errors, currently we do nothing with it (we
don't construct an skb or an xdp_buff), we just exit the NAPI poll loop.

Let's put the buffer back into the RX ring (similar to XDP_DROP).

Signed-off-by: default avatarVladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6b04830d

drivers/net/ethernet/freescale/enetc/enetc.c

+2 −0
Original line number Diff line number Diff line
@@ -822,12 +822,14 @@ static bool enetc_check_bd_errors_and_consume(struct enetc_bdr *rx_ring, 
	if (likely(!(bd_status & ENETC_RXBD_LSTATUS(ENETC_RXBD_ERR_MASK))))

		return false;



	enetc_put_rx_buff(rx_ring, &rx_ring->rx_swbd[*i]);

	enetc_rxbd_next(rx_ring, rxbd, i);



	while (!(bd_status & ENETC_RXBD_LSTATUS_F)) {

		dma_rmb();

		bd_status = le32_to_cpu((*rxbd)->r.lstatus);



		enetc_put_rx_buff(rx_ring, &rx_ring->rx_swbd[*i]);

		enetc_rxbd_next(rx_ring, rxbd, i);

	}