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net: fec: using the standard return codes when xdp xmit errors 

This patch standardizes the inconsistent return values for unsuccessful
XDP transmits by using standardized error codes (-EBUSY or -ENOMEM).

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Shenwei Wang 2023-05-12 08:20:10 -05:00 committed by David S. Miller
parent 314cf958de
commit 144470c88c
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/freescale/fec_main.c
View File

@ -3799,7 +3799,7 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
if (entries_free < MAX_SKB_FRAGS + 1) {
netdev_err(fep->netdev, "NOT enough BD for SG!\n");
xdp_return_frame(frame);
return NETDEV_TX_BUSY;
return -EBUSY;
}
/* Fill in a Tx ring entry */
@ -3813,7 +3813,7 @@ static int fec_enet_txq_xmit_frame(struct fec_enet_private *fep,
dma_addr = dma_map_single(&fep->pdev->dev, frame->data,
frame->len, DMA_TO_DEVICE);
if (dma_mapping_error(&fep->pdev->dev, dma_addr))
return FEC_ENET_XDP_CONSUMED;
return -ENOMEM;
status |= (BD_ENET_TX_INTR | BD_ENET_TX_LAST);
if (fep->bufdesc_ex)
@ -3869,7 +3869,7 @@ static int fec_enet_xdp_xmit(struct net_device *dev,
__netif_tx_lock(nq, cpu);
for (i = 0; i < num_frames; i++) {
if (fec_enet_txq_xmit_frame(fep, txq, frames[i]) != 0)
if (fec_enet_txq_xmit_frame(fep, txq, frames[i]) < 0)
break;
sent_frames++;
}