X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fnet%2Fethernet%2Fatheros%2Falx%2Fmain.c;fp=kernel%2Fdrivers%2Fnet%2Fethernet%2Fatheros%2Falx%2Fmain.c;h=df54475d163bf509fe222bd58a2f8456902a5082;hb=52f993b8e89487ec9ee15a7fb4979e0f09a45b27;hp=bd377a6b067d4e7cc2e4640514d6910a03167450;hpb=c189ccac5702322ed843fe17057035b7222a59b6;p=kvmfornfv.git

diff --git a/kernel/drivers/net/ethernet/atheros/alx/main.c b/kernel/drivers/net/ethernet/atheros/alx/main.c
index bd377a6b0..df54475d1 100644
--- a/kernel/drivers/net/ethernet/atheros/alx/main.c
+++ b/kernel/drivers/net/ethernet/atheros/alx/main.c
@@ -86,9 +86,14 @@ static int alx_refill_rx_ring(struct alx_priv *alx, gfp_t gfp)
 	while (!cur_buf->skb && next != rxq->read_idx) {
 		struct alx_rfd *rfd = &rxq->rfd[cur];
 
-		skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size, gfp);
+		skb = __netdev_alloc_skb(alx->dev, alx->rxbuf_size + 64, gfp);
 		if (!skb)
 			break;
+
+		/* Workround for the HW RX DMA overflow issue */
+		if (((unsigned long)skb->data & 0xfff) == 0xfc0)
+			skb_reserve(skb, 64);
+
 		dma = dma_map_single(&alx->hw.pdev->dev,
 				     skb->data, alx->rxbuf_size,
 				     DMA_FROM_DEVICE);