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stmmac: set dirty index out of the loop

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The dirty index can be updated out of the loop where all the
tx resources are claimed. This will help on performances too.
Also a useless debug printk has been removed from the main loop.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Giuseppe Cavallaro 2016-02-29 14:27:37 +01:00 • committed by David S. Miller
parent c363b6586c
commit fbc80823a9
1 changed files with 1 additions and 4 deletions
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5
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -1340,9 +1340,6 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
}
stmmac_get_tx_hwtstamp(priv, entry, skb);
}
if (netif_msg_tx_done(priv))
pr_debug("%s: curr %d, dirty %d\n", __func__,
priv->cur_tx, priv->dirty_tx);
if (likely(priv->tx_skbuff_dma[entry].buf)) {
if (priv->tx_skbuff_dma[entry].map_as_page)
@ -1372,8 +1369,8 @@ static void stmmac_tx_clean(struct stmmac_priv *priv)
priv->hw->desc->release_tx_desc(p, priv->mode);
entry = STMMAC_GET_ENTRY(entry, DMA_TX_SIZE);
priv->dirty_tx = entry;
}
priv->dirty_tx = entry;
netdev_completed_queue(priv->dev, pkts_compl, bytes_compl);