diff options
| -rw-r--r-- | drivers/net/ethernet/xilinx/xilinx_axienet_main.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c index 2d47b35443af..1775e060d39d 100644 --- a/drivers/net/ethernet/xilinx/xilinx_axienet_main.c +++ b/drivers/net/ethernet/xilinx/xilinx_axienet_main.c @@ -1119,6 +1119,7 @@ static void axienet_dma_rx_cb(void *data, const struct dmaengine_result *result) struct axienet_local *lp = data; struct sk_buff *skb; u32 *app_metadata; + int i; skbuf_dma = axienet_get_rx_desc(lp, lp->rx_ring_tail++); skb = skbuf_dma->skb; @@ -1137,7 +1138,10 @@ static void axienet_dma_rx_cb(void *data, const struct dmaengine_result *result) u64_stats_add(&lp->rx_packets, 1); u64_stats_add(&lp->rx_bytes, rx_len); u64_stats_update_end(&lp->rx_stat_sync); - axienet_rx_submit_desc(lp->ndev); + + for (i = 0; i < CIRC_SPACE(lp->rx_ring_head, lp->rx_ring_tail, + RX_BUF_NUM_DEFAULT); i++) + axienet_rx_submit_desc(lp->ndev); dma_async_issue_pending(lp->rx_chan); } @@ -1394,7 +1398,6 @@ static void axienet_rx_submit_desc(struct net_device *ndev) if (!skbuf_dma) return; - lp->rx_ring_head++; skb = netdev_alloc_skb(ndev, lp->max_frm_size); if (!skb) return; @@ -1419,6 +1422,7 @@ static void axienet_rx_submit_desc(struct net_device *ndev) skbuf_dma->desc = dma_rx_desc; dma_rx_desc->callback_param = lp; dma_rx_desc->callback_result = axienet_dma_rx_cb; + lp->rx_ring_head++; dmaengine_submit(dma_rx_desc); return; |