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path: root/drivers/net/ethernet
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Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_common.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
index 074259cc8e06..9179a99563af 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c
@@ -1498,7 +1498,7 @@ nfp_net_tx_xdp_buf(struct nfp_net *nn, struct nfp_net_rx_ring *rx_ring,
txbuf->real_len = pkt_len;
dma_sync_single_for_device(&nn->pdev->dev, rxbuf->dma_addr + pkt_off,
- pkt_len, DMA_TO_DEVICE);
+ pkt_len, DMA_BIDIRECTIONAL);
/* Build TX descriptor */
txd = &tx_ring->txds[wr_idx];
@@ -1611,7 +1611,7 @@ static int nfp_net_rx(struct nfp_net_rx_ring *rx_ring, int budget)
dma_sync_single_for_cpu(&nn->pdev->dev,
rxbuf->dma_addr + pkt_off,
- pkt_len, DMA_FROM_DEVICE);
+ pkt_len, DMA_BIDIRECTIONAL);
act = nfp_net_run_xdp(xdp_prog, rxbuf->frag + data_off,
pkt_len);
switch (act) {
@@ -2198,7 +2198,8 @@ static int __nfp_net_set_config_and_enable(struct nfp_net *nn)
nfp_net_write_mac_addr(nn);
nn_writel(nn, NFP_NET_CFG_MTU, nn->netdev->mtu);
- nn_writel(nn, NFP_NET_CFG_FLBUFSZ, nn->fl_bufsz);
+ nn_writel(nn, NFP_NET_CFG_FLBUFSZ,
+ nn->fl_bufsz - NFP_NET_RX_BUF_NON_DATA);
/* Enable device */
new_ctrl |= NFP_NET_CFG_CTRL_ENABLE;