Re: [PATCH] net: export netdev_txq_to_tc to allow sch_mqprio to compile as module

[David Miller]

From: Henrik Austad <henrik@xxxxxxxxx>
Date: Tue, 17 Oct 2017 12:10:10 +0200

> In commit 32302902ff09 ("mqprio: Reserve last 32 classid values for HW
> traffic classes and misc IDs") sch_mqprio started using netdev_txq_to_tc
> to find the correct tc instead of dev->tc_to_txq[]
> 
> However, when mqprio is compiled as a module, it cannot resolve the
> symbol, leading to this error:
> 
>      ERROR: "netdev_txq_to_tc" [net/sched/sch_mqprio.ko] undefined!
> 
> This adds an EXPORT_SYMBOL() since the other user in the kernel
> (netif_set_xps_queue) is also EXPORT_SYMBOL() (and not _GPL) or in a
> sysfs-callback.
> 
> Cc: Alexander Duyck <alexander.h.duyck@xxxxxxxxx>
> Cc: Jesus Sanchez-Palencia <jesus.sanchez-palencia@xxxxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Signed-off-by: Henrik Austad <haustad@xxxxxxxxx>

Applied, thanks.