diff options
-rw-r--r-- | drivers/net/ethernet/realtek/8139cp.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/net/ethernet/realtek/8139cp.c b/drivers/net/ethernet/realtek/8139cp.c index b3bd8b103593..ec6bd864b263 100644 --- a/drivers/net/ethernet/realtek/8139cp.c +++ b/drivers/net/ethernet/realtek/8139cp.c @@ -341,6 +341,7 @@ struct cp_private { unsigned tx_tail; struct cp_desc *tx_ring; struct sk_buff *tx_skb[CP_TX_RING_SIZE]; + u32 tx_opts[CP_TX_RING_SIZE]; unsigned rx_buf_sz; unsigned wol_enabled : 1; /* Is Wake-on-LAN enabled? */ @@ -665,7 +666,7 @@ static void cp_tx (struct cp_private *cp) BUG_ON(!skb); dma_unmap_single(&cp->pdev->dev, le64_to_cpu(txd->addr), - le32_to_cpu(txd->opts1) & 0xffff, + cp->tx_opts[tx_tail] & 0xffff, PCI_DMA_TODEVICE); if (status & LastFrag) { @@ -789,6 +790,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, wmb(); cp->tx_skb[entry] = skb; + cp->tx_opts[entry] = opts1; netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n", entry, skb->len); } else { @@ -839,6 +841,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, txd->opts1 = cpu_to_le32(ctrl); wmb(); + + cp->tx_opts[entry] = ctrl; cp->tx_skb[entry] = skb; } @@ -851,6 +855,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb, txd->opts1 = cpu_to_le32(ctrl); wmb(); + cp->tx_opts[first_entry] = ctrl; netif_dbg(cp, tx_queued, cp->dev, "tx queued, slots %d-%d, skblen %d\n", first_entry, entry, skb->len); } @@ -1093,6 +1098,7 @@ static int cp_init_rings (struct cp_private *cp) { memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE); cp->tx_ring[CP_TX_RING_SIZE - 1].opts1 = cpu_to_le32(RingEnd); + memset(cp->tx_opts, 0, sizeof(cp->tx_opts)); cp_init_rings_index(cp); @@ -1150,6 +1156,7 @@ static void cp_clean_rings (struct cp_private *cp) memset(cp->rx_ring, 0, sizeof(struct cp_desc) * CP_RX_RING_SIZE); memset(cp->tx_ring, 0, sizeof(struct cp_desc) * CP_TX_RING_SIZE); + memset(cp->tx_opts, 0, sizeof(cp->tx_opts)); memset(cp->rx_skb, 0, sizeof(struct sk_buff *) * CP_RX_RING_SIZE); memset(cp->tx_skb, 0, sizeof(struct sk_buff *) * CP_TX_RING_SIZE); |