From 144470c88c5d9a4cab81da22a26c129e6702c6cf Mon Sep 17 00:00:00 2001
From: Shenwei Wang <shenwei.wang@nxp.com>
Date: Fri, 12 May 2023 08:20:10 -0500
Subject: [PATCH] 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>
---
drivers/net/ethernet/freescale/fec_main.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 42ec6ca3bf035..cd215ab20ff95 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -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++;
}
--
2.30.2