diff options
Diffstat (limited to 'drivers/net/ethernet/ti/cpsw.c')
| -rw-r--r-- | drivers/net/ethernet/ti/cpsw.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 40aff684aa23..b35e6a76664c 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -374,6 +374,9 @@ void cpsw_tx_handler(void *token, int len, int status) struct net_device *ndev = skb->dev; struct cpsw_priv *priv = netdev_priv(ndev); + /* Check whether the queue is stopped due to stalled tx dma, if the + * queue is stopped then start the queue as we have free desc for tx + */ if (unlikely(netif_queue_stopped(ndev))) netif_start_queue(ndev); cpts_tx_timestamp(&priv->cpts, skb); @@ -592,7 +595,7 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) 1 << slave_port, 0, ALE_MCAST_FWD_2); slave->phy = phy_connect(priv->ndev, slave->data->phy_id, - &cpsw_adjust_link, 0, slave->data->phy_if); + &cpsw_adjust_link, slave->data->phy_if); if (IS_ERR(slave->phy)) { dev_err(priv->dev, "phy %s not found on slave %d\n", slave->data->phy_id, slave->slave_num); @@ -736,6 +739,12 @@ static netdev_tx_t cpsw_ndo_start_xmit(struct sk_buff *skb, goto fail; } + /* If there is no more tx desc left free then we need to + * tell the kernel to stop sending us tx frames. + */ + if (unlikely(cpdma_check_free_tx_desc(priv->txch))) + netif_stop_queue(ndev); + return NETDEV_TX_OK; fail: priv->stats.tx_dropped++; @@ -944,9 +953,10 @@ static void cpsw_get_drvinfo(struct net_device *ndev, struct ethtool_drvinfo *info) { struct cpsw_priv *priv = netdev_priv(ndev); - strcpy(info->driver, "TI CPSW Driver v1.0"); - strcpy(info->version, "1.0"); - strcpy(info->bus_info, priv->pdev->name); + + strlcpy(info->driver, "TI CPSW Driver v1.0", sizeof(info->driver)); + strlcpy(info->version, "1.0", sizeof(info->version)); + strlcpy(info->bus_info, priv->pdev->name, sizeof(info->bus_info)); } static u32 cpsw_get_msglevel(struct net_device *ndev) |
