diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/rx.c')
| -rw-r--r-- | drivers/net/ethernet/sfc/rx.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 644d157843c6..91f6d5b9ceac 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -653,6 +653,7 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, u8 rx_prefix[EFX_MAX_RX_PREFIX_SIZE]; struct efx_rx_queue *rx_queue; struct bpf_prog *xdp_prog; + struct xdp_frame *xdpf; struct xdp_buff xdp; u32 xdp_act; s16 offset; @@ -713,7 +714,16 @@ static bool efx_do_xdp(struct efx_nic *efx, struct efx_channel *channel, break; case XDP_TX: - return -EOPNOTSUPP; + /* Buffer ownership passes to tx on success. */ + xdpf = convert_to_xdp_frame(&xdp); + err = efx_xdp_tx_buffers(efx, 1, &xdpf, true); + if (unlikely(err != 1)) { + efx_free_rx_buffers(rx_queue, rx_buf, 1); + if (net_ratelimit()) + netif_err(efx, rx_err, efx->net_dev, + "XDP TX failed (%d)\n", err); + } + break; case XDP_REDIRECT: err = xdp_do_redirect(efx->net_dev, &xdp, xdp_prog); |