diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_common.c')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_net_common.c | 13 |
1 files changed, 1 insertions, 12 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index c763a5b3bd6b..b9f3548bb65f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -2966,11 +2966,7 @@ static int nfp_net_xdp_setup(struct nfp_net *nn, struct bpf_prog *prog) dp->xdp_prog = prog; dp->num_tx_rings += prog ? nn->dp.num_rx_rings : -nn->dp.num_rx_rings; dp->rx_dma_dir = prog ? DMA_BIDIRECTIONAL : DMA_FROM_DEVICE; - if (prog) - dp->rx_dma_off = XDP_PACKET_HEADROOM - - (nn->dp.rx_offset ?: NFP_NET_MAX_PREPEND); - else - dp->rx_dma_off = 0; + dp->rx_dma_off = prog ? XDP_PACKET_HEADROOM - nn->dp.rx_offset : 0; /* We need RX reconfig to remap the buffers (BIDIR vs FROM_DEV) */ err = nfp_net_ring_reconfig(nn, dp); @@ -3198,13 +3194,6 @@ int nfp_net_netdev_init(struct net_device *netdev) struct nfp_net *nn = netdev_priv(netdev); int err; - /* XDP calls for 256 byte packet headroom which wouldn't fit in a u8. - * We, however, reuse the metadata prepend space for XDP buffers which - * is at least 1 byte long and as long as XDP headroom doesn't increase - * above 256 the *extra* XDP headroom will fit on 8 bits. - */ - BUILD_BUG_ON(XDP_PACKET_HEADROOM > 256); - nn->dp.chained_metadata_format = nn->fw_ver.major > 3; nn->dp.rx_dma_dir = DMA_FROM_DEVICE; |