diff options
| author | Mathias Thore <mathias.thore@infinera.com> | 2018-11-07 11:09:45 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-11-08 09:21:25 +0300 |
| commit | 2e7ad56aa54778de863998579fc6b5ff52838571 (patch) | |
| tree | e923d62eedfd70ffe7596a6b675f9bf49dfe98d6 | |
| parent | 3b73e842c7265a645f373a2de956ad36292f819d (diff) | |
| download | linux-2e7ad56aa54778de863998579fc6b5ff52838571.tar.xz | |
net/wan/fsl_ucc_hdlc: add BQL support
Add byte queue limits support in the fsl_ucc_hdlc driver.
Signed-off-by: Mathias Thore <mathias.thore@infinera.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/wan/fsl_ucc_hdlc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index 4d6409605207..7a42336c8af8 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -391,6 +391,7 @@ static netdev_tx_t ucc_hdlc_tx(struct sk_buff *skb, struct net_device *dev) dev_kfree_skb(skb); return -ENOMEM; } + netdev_sent_queue(dev, skb->len); spin_lock_irqsave(&priv->lock, flags); /* Start from the next BD that should be filled */ @@ -447,6 +448,8 @@ static int hdlc_tx_done(struct ucc_hdlc_private *priv) { /* Start from the next BD that should be filled */ struct net_device *dev = priv->ndev; + unsigned int bytes_sent = 0; + int howmany = 0; struct qe_bd *bd; /* BD pointer */ u16 bd_status; int tx_restart = 0; @@ -474,6 +477,8 @@ static int hdlc_tx_done(struct ucc_hdlc_private *priv) skb = priv->tx_skbuff[priv->skb_dirtytx]; if (!skb) break; + howmany++; + bytes_sent += skb->len; dev->stats.tx_packets++; memset(priv->tx_buffer + (be32_to_cpu(bd->buf) - priv->dma_tx_addr), @@ -501,6 +506,7 @@ static int hdlc_tx_done(struct ucc_hdlc_private *priv) if (tx_restart) hdlc_tx_restart(priv); + netdev_completed_queue(dev, howmany, bytes_sent); return 0; } @@ -721,6 +727,7 @@ static int uhdlc_open(struct net_device *dev) priv->hdlc_busy = 1; netif_device_attach(priv->ndev); napi_enable(&priv->napi); + netdev_reset_queue(dev); netif_start_queue(dev); hdlc_open(dev); } @@ -812,6 +819,7 @@ static int uhdlc_close(struct net_device *dev) free_irq(priv->ut_info->uf_info.irq, priv); netif_stop_queue(dev); + netdev_reset_queue(dev); priv->hdlc_busy = 0; return 0; |