dpaa_eth: NETIF_F_LLTX requires to do our own update of trans_start
authorMadalin Bucur <madalin.bucur@nxp.com>
Thu, 17 Jan 2019 09:42:27 +0000 (11:42 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Jan 2019 06:00:00 +0000 (22:00 -0800)
As txq_trans_update() only updates trans_start when the lock is held,
trans_start does not get updated if NETIF_F_LLTX is declared.

Signed-off-by: Madalin Bucur <madalin.bucur@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/freescale/dpaa/dpaa_eth.c

index f53090c..dfebc30 100644 (file)
@@ -2051,6 +2051,7 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
        bool nonlinear = skb_is_nonlinear(skb);
        struct rtnl_link_stats64 *percpu_stats;
        struct dpaa_percpu_priv *percpu_priv;
+       struct netdev_queue *txq;
        struct dpaa_priv *priv;
        struct qm_fd fd;
        int offset = 0;
@@ -2100,6 +2101,11 @@ dpaa_start_xmit(struct sk_buff *skb, struct net_device *net_dev)
        if (unlikely(err < 0))
                goto skb_to_fd_failed;
 
+       txq = netdev_get_tx_queue(net_dev, queue_mapping);
+
+       /* LLTX requires to do our own update of trans_start */
+       txq->trans_start = jiffies;
+
        if (priv->tx_tstamp && skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP) {
                fd.cmd |= cpu_to_be32(FM_FD_CMD_UPD);
                skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS;