diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2021-04-16 23:22:18 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-17 02:08:39 +0200 |
| commit | 672f9a21989e56c8233d1d8daab3e5eecf76c59e (patch) | |
| tree | 71e187ae34ae1dc42cf074a4efd100d859d92eba /drivers/net/ethernet/freescale | |
| parent | net: enetc: rename the buffer reuse helpers (diff) | |
| download | linux-672f9a21989e56c8233d1d8daab3e5eecf76c59e.tar.xz linux-672f9a21989e56c8233d1d8daab3e5eecf76c59e.zip | |
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: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/freescale')
| -rw-r--r-- | drivers/net/ethernet/freescale/enetc/enetc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/enetc/enetc.c b/drivers/net/ethernet/freescale/enetc/enetc.c index c4ff090f29ec..c6f984473337 100644 --- a/drivers/net/ethernet/freescale/enetc/enetc.c +++ b/drivers/net/ethernet/freescale/enetc/enetc.c @@ -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); } |