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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2020-03-06 23:56:38 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2020-03-09 19:07:42 -0700 |
| commit | 22d352c51e742af281bcbb0d6e67892e9922b7f4 (patch) | |
| tree | 23df4bf91575bd0bb70a93908f9809fd3214f0bd /drivers/net/ethernet/realtek/r8169_main.c | |
| parent | 6a41f2b2f1e4ce991a9e2f91023fc6f0b10b422b (diff) | |
| download | linux-22d352c51e742af281bcbb0d6e67892e9922b7f4.tar.gz linux-22d352c51e742af281bcbb0d6e67892e9922b7f4.tar.bz2 linux-22d352c51e742af281bcbb0d6e67892e9922b7f4.zip | |
r8169: simplify usage of rtl8169_unmap_tx_skb
Simplify the parameters taken by rtl8169_unmap_tx_skb, this makes
usage of this function easier to read and understand.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/realtek/r8169_main.c')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 359f029a7855..8a707d67c8d8 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -3970,12 +3970,13 @@ static int rtl8169_init_ring(struct rtl8169_private *tp) return rtl8169_rx_fill(tp); } -static void rtl8169_unmap_tx_skb(struct device *d, struct ring_info *tx_skb, - struct TxDesc *desc) +static void rtl8169_unmap_tx_skb(struct rtl8169_private *tp, unsigned int entry) { - unsigned int len = tx_skb->len; + struct ring_info *tx_skb = tp->tx_skb + entry; + struct TxDesc *desc = tp->TxDescArray + entry; - dma_unmap_single(d, le64_to_cpu(desc->addr), len, DMA_TO_DEVICE); + dma_unmap_single(tp_to_dev(tp), le64_to_cpu(desc->addr), tx_skb->len, + DMA_TO_DEVICE); memset(desc, 0, sizeof(*desc)); memset(tx_skb, 0, sizeof(*tx_skb)); } @@ -3993,8 +3994,7 @@ static void rtl8169_tx_clear_range(struct rtl8169_private *tp, u32 start, if (len) { struct sk_buff *skb = tx_skb->skb; - rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, - tp->TxDescArray + entry); + rtl8169_unmap_tx_skb(tp, entry); if (skb) dev_consume_skb_any(skb); } @@ -4303,7 +4303,7 @@ static netdev_tx_t rtl8169_start_xmit(struct sk_buff *skb, return NETDEV_TX_OK; err_dma_1: - rtl8169_unmap_tx_skb(d, tp->tx_skb + entry, txd); + rtl8169_unmap_tx_skb(tp, entry); err_dma_0: dev_kfree_skb_any(skb); dev->stats.tx_dropped++; @@ -4390,8 +4390,7 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp, for (tx_left = tp->cur_tx - dirty_tx; tx_left > 0; tx_left--) { unsigned int entry = dirty_tx % NUM_TX_DESC; - struct ring_info *tx_skb = tp->tx_skb + entry; - struct sk_buff *skb = tx_skb->skb; + struct sk_buff *skb = tp->tx_skb[entry].skb; u32 status; status = le32_to_cpu(tp->TxDescArray[entry].opts1); @@ -4404,8 +4403,8 @@ static void rtl_tx(struct net_device *dev, struct rtl8169_private *tp, */ dma_rmb(); - rtl8169_unmap_tx_skb(tp_to_dev(tp), tx_skb, - tp->TxDescArray + entry); + rtl8169_unmap_tx_skb(tp, entry); + if (skb) { pkts_compl++; bytes_compl += skb->len; |