Re: [PATCH net-next] net: netdev_pick_tx: use get_xps_q if xps mapis set

[Eric Dumazet]

On Fri, 2013-05-17 at 14:18 +0530, govindarajulu.v wrote:
> From: "govindarajulu.v" <govindarajulu90@xxxxxxxxx>
> 
> netdev_pick_tx ignores the xps map configuration if netdev->ndo_select_queue
> is defined. Most of the drivers define ndo_select_queue. The problem with this
> is, if admin wants kernel to pick tx queue based on xps map (instead of driver
> defined ndo_select_queue), he has to netdev->ndo_select_queue = NULL, compile
> and reload.
> 
> This patch fixes it by checking if dev->xps_maps is defined. If yes it
> proceeds with get_xps_queue. If not it proceeds with netdev->ndo_select_queue
> (if defined).
> 
> Compile test only.

I do not think its right, take a look at
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c , around line 6467



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