* [PATCH net-next v3] fec: Remove fec_enet_select_queue()
@ 2014-09-22 20:55 Fabio Estevam
2014-09-26 19:22 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Fabio Estevam @ 2014-09-22 20:55 UTC (permalink / raw)
To: davem; +Cc: Frank.Li, netdev, Fabio Estevam
From: Fabio Estevam <fabio.estevam@freescale.com>
Sparse complains about fec_enet_select_queue() not being static.
Feedback from David Miller [1] was to remove this function instead of making it
static:
"Please just delete this function.
It's overriding code which does exactly the same thing.
Actually, more precisely, this code is duplicating code in a way that
bypasses many core facilitites of the networking. For example, this
override means that socket based flow steering, XPS, etc. are all
not happening on these devices.
Without ->ndo_select_queue(), the flow dissector does __netdev_pick_tx
which is exactly what you want to happen."
[1] http://www.spinics.net/lists/netdev/msg297653.html
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
---
Changes since v2:
- Remove fec_enet_select_queue() instead of making it static.
drivers/net/ethernet/freescale/fec_main.c | 7 -------
1 file changed, 7 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
index 09d7f5f..33a7410 100644
--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -2851,17 +2851,10 @@ static int fec_set_features(struct net_device *netdev,
return 0;
}
-u16 fec_enet_select_queue(struct net_device *ndev, struct sk_buff *skb,
- void *accel_priv, select_queue_fallback_t fallback)
-{
- return skb_tx_hash(ndev, skb);
-}
-
static const struct net_device_ops fec_netdev_ops = {
.ndo_open = fec_enet_open,
.ndo_stop = fec_enet_close,
.ndo_start_xmit = fec_enet_start_xmit,
- .ndo_select_queue = fec_enet_select_queue,
.ndo_set_rx_mode = set_multicast_list,
.ndo_change_mtu = eth_change_mtu,
.ndo_validate_addr = eth_validate_addr,
--
1.9.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH net-next v3] fec: Remove fec_enet_select_queue()
2014-09-22 20:55 [PATCH net-next v3] fec: Remove fec_enet_select_queue() Fabio Estevam
@ 2014-09-26 19:22 ` David Miller
0 siblings, 0 replies; 2+ messages in thread
From: David Miller @ 2014-09-26 19:22 UTC (permalink / raw)
To: festevam; +Cc: Frank.Li, netdev, fabio.estevam
From: Fabio Estevam <festevam@gmail.com>
Date: Mon, 22 Sep 2014 17:55:29 -0300
> From: Fabio Estevam <fabio.estevam@freescale.com>
>
> Sparse complains about fec_enet_select_queue() not being static.
>
> Feedback from David Miller [1] was to remove this function instead of making it
> static:
>
> "Please just delete this function.
>
> It's overriding code which does exactly the same thing.
>
> Actually, more precisely, this code is duplicating code in a way that
> bypasses many core facilitites of the networking. For example, this
> override means that socket based flow steering, XPS, etc. are all
> not happening on these devices.
>
> Without ->ndo_select_queue(), the flow dissector does __netdev_pick_tx
> which is exactly what you want to happen."
>
> [1] http://www.spinics.net/lists/netdev/msg297653.html
>
> Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Looks a lot better, applied, thanks!
^ permalink raw reply [flat|nested] 2+ messages in thread
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