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* [PATCH] net: ethernet: ti: netcp_core: return netdev_tx_t in xmit
@ 2017-02-09 14:24 Ivan Khoronzhuk
  2017-02-10 19:45 ` David Miller
  0 siblings, 1 reply; 3+ messages in thread
From: Ivan Khoronzhuk @ 2017-02-09 14:24 UTC (permalink / raw)
  To: w-kwok2, m-karicheri2, netdev; +Cc: linux-kernel, Ivan Khoronzhuk

The _xmit function should return netdev_tx_t type.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
Based on net-next/master

 drivers/net/ethernet/ti/netcp_core.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/ti/netcp_core.c b/drivers/net/ethernet/ti/netcp_core.c
index 7c7ae08..5845ad8 100644
--- a/drivers/net/ethernet/ti/netcp_core.c
+++ b/drivers/net/ethernet/ti/netcp_core.c
@@ -1280,7 +1280,8 @@ static int netcp_tx_submit_skb(struct netcp_intf *netcp,
 }
 
 /* Submit the packet */
-static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t netcp_ndo_start_xmit(struct sk_buff *skb,
+					struct net_device *ndev)
 {
 	struct netcp_intf *netcp = netdev_priv(ndev);
 	struct netcp_stats *tx_stats = &netcp->stats;
@@ -1300,7 +1301,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 			dev_warn(netcp->ndev_dev, "padding failed (%d), packet dropped\n",
 				 ret);
 			tx_stats->tx_dropped++;
-			return ret;
+			return NETDEV_TX_BUSY;
 		}
 		skb->len = NETCP_MIN_PACKET_SIZE;
 	}
@@ -1329,7 +1330,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	if (desc)
 		netcp_free_tx_desc_chain(netcp, desc, sizeof(*desc));
 	dev_kfree_skb(skb);
-	return ret;
+	return NETDEV_TX_BUSY;
 }
 
 int netcp_txpipe_close(struct netcp_tx_pipe *tx_pipe)
-- 
2.7.4

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] net: ethernet: ti: netcp_core: return netdev_tx_t in xmit
  2017-02-09 14:24 [PATCH] net: ethernet: ti: netcp_core: return netdev_tx_t in xmit Ivan Khoronzhuk
@ 2017-02-10 19:45 ` David Miller
  2017-02-11  1:08   ` Ivan Khoronzhuk
  0 siblings, 1 reply; 3+ messages in thread
From: David Miller @ 2017-02-10 19:45 UTC (permalink / raw)
  To: ivan.khoronzhuk; +Cc: w-kwok2, m-karicheri2, netdev, linux-kernel

From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Date: Thu,  9 Feb 2017 16:24:14 +0200

> @@ -1300,7 +1301,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>  			dev_warn(netcp->ndev_dev, "padding failed (%d), packet dropped\n",
>  				 ret);
>  			tx_stats->tx_dropped++;
> -			return ret;
> +			return NETDEV_TX_BUSY;
>  		}
>  		skb->len = NETCP_MIN_PACKET_SIZE;
>  	}
> @@ -1329,7 +1330,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
>  	if (desc)
>  		netcp_free_tx_desc_chain(netcp, desc, sizeof(*desc));
>  	dev_kfree_skb(skb);
> -	return ret;
> +	return NETDEV_TX_BUSY;
>  }

I really think these should be returning NET_XMIT_DROP.

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] net: ethernet: ti: netcp_core: return netdev_tx_t in xmit
  2017-02-10 19:45 ` David Miller
@ 2017-02-11  1:08   ` Ivan Khoronzhuk
  0 siblings, 0 replies; 3+ messages in thread
From: Ivan Khoronzhuk @ 2017-02-11  1:08 UTC (permalink / raw)
  To: David Miller; +Cc: w-kwok2, m-karicheri2, netdev, linux-kernel

On Fri, Feb 10, 2017 at 02:45:21PM -0500, David Miller wrote:
> From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
> Date: Thu,  9 Feb 2017 16:24:14 +0200
> 
> > @@ -1300,7 +1301,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
> >  			dev_warn(netcp->ndev_dev, "padding failed (%d), packet dropped\n",
> >  				 ret);
> >  			tx_stats->tx_dropped++;
> > -			return ret;
> > +			return NETDEV_TX_BUSY;
> >  		}
> >  		skb->len = NETCP_MIN_PACKET_SIZE;
> >  	}
> > @@ -1329,7 +1330,7 @@ static int netcp_ndo_start_xmit(struct sk_buff *skb, struct net_device *ndev)
> >  	if (desc)
> >  		netcp_free_tx_desc_chain(netcp, desc, sizeof(*desc));
> >  	dev_kfree_skb(skb);
> > -	return ret;
> > +	return NETDEV_TX_BUSY;
> >  }
> 
> I really think these should be returning NET_XMIT_DROP.

Yes, it seems here can be a little more changes then, will send new version
later.

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2017-02-11  1:08 UTC | newest]

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2017-02-09 14:24 [PATCH] net: ethernet: ti: netcp_core: return netdev_tx_t in xmit Ivan Khoronzhuk
2017-02-10 19:45 ` David Miller
2017-02-11  1:08   ` Ivan Khoronzhuk

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