UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

net: stmmac: xgmac: Add RBU handling in DMA interrupt 

Add the handling of Receive Buffer Unavailable interrupt in the DMA
handler of XGMAC cores.

Signed-off-by: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-09-04 15:16:54 +02:00 committed by David S. Miller
parent 9513321069
commit 6338488356
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c
View File

@ -322,6 +322,10 @@ static int dwxgmac2_dma_interrupt(void __iomem *ioaddr,
/* ABNORMAL interrupts */
if (unlikely(intr_status & XGMAC_AIS)) {
if (unlikely(intr_status & XGMAC_RBU)) {
x->rx_buf_unav_irq++;
ret |= handle_rx;
}
if (unlikely(intr_status & XGMAC_TPS)) {
x->tx_process_stopped_irq++;
ret |= tx_hard_error;