[PATCH] dpaa_eth: NETIF_F_LLTX requires to do our own update of trans_start

[Madalin Bucur]

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.bu...@nxp.com>
---
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c 
b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index f53090cde041..dfebc30c4841 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -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;
-- 
2.1.0