提交 26b0bad6 编写于 作者: D David Woodhouse 提交者: David S. Miller

8139cp: Fix tx_queued debug message to print correct slot numbers

After a certain amount of staring at the debug output of this driver, I
realised it was lying to me.
Signed-off-by: NDavid Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 aaa0062e
......@@ -786,7 +786,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
wmb();
cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
entry, skb->len);
} else {
struct cp_desc *txd;
u32 first_len, first_eor;
......@@ -805,7 +806,6 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
goto out_dma_error;
cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
for (frag = 0; frag < skb_shinfo(skb)->nr_frags; frag++) {
const skb_frag_t *this_frag = &skb_shinfo(skb)->frags[frag];
......@@ -813,6 +813,8 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
u32 ctrl;
dma_addr_t mapping;
entry = NEXT_TX(entry);
len = skb_frag_size(this_frag);
mapping = dma_map_single(&cp->pdev->dev,
skb_frag_address(this_frag),
......@@ -848,9 +850,7 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
txd->opts1 = cpu_to_le32(ctrl);
wmb();
cp->tx_skb[entry] = skb;
entry = NEXT_TX(entry);
}
txd = &cp->tx_ring[first_entry];
......@@ -873,12 +873,13 @@ static netdev_tx_t cp_start_xmit (struct sk_buff *skb,
txd->opts1 = cpu_to_le32(first_eor | first_len |
FirstFrag | DescOwn);
wmb();
netif_dbg(cp, tx_queued, cp->dev, "tx queued, slots %d-%d, skblen %d\n",
first_entry, entry, skb->len);
}
cp->tx_head = entry;
cp->tx_head = NEXT_TX(entry);
netdev_sent_queue(dev, skb->len);
netif_dbg(cp, tx_queued, cp->dev, "tx queued, slot %d, skblen %d\n",
entry, skb->len);
if (TX_BUFFS_AVAIL(cp) <= (MAX_SKB_FRAGS + 1))
netif_stop_queue(dev);
......
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