From 144470c88c5d9a4cab81da22a26c129e6702c6cf Mon Sep 17 00:00:00 2001 From: Shenwei Wang Date: Fri, 12 May 2023 08:20:10 -0500 Subject: 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 Reviewed-by: Simon Horman Reviewed-by: Horatiu Vultur Signed-off-by: David S. Miller --- drivers/net/ethernet/freescale/fec_main.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/net/ethernet/freescale/fec_main.c') diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 42ec6ca3bf03..cd215ab20ff9 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++; } -- cgit