Commit 63384883 authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
Browse files

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: default avatarJose Abreu <joabreu@synopsys.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 95133210

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_dma.c

+4 −0
Original line number Diff line number Diff line
@@ -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;

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