[PATCH] kni: update kernel API to receive packets

[Gagandeep Singh]

> -----Original Message-----
> From: Wang, Haiyue <haiyue.wang at intel.com>
> Sent: Wednesday, April 20, 2022 1:15 PM
> To: Gagandeep Singh <G.Singh at nxp.com>; dev at dpdk.org
> Subject: RE: [PATCH] kni: update kernel API to receive packets
> 
> > -----Original Message-----
> > From: Gagandeep Singh <g.singh at nxp.com>
> > Sent: Wednesday, April 20, 2022 13:03
> > To: dev at dpdk.org
> > Cc: Gagandeep Singh <g.singh at nxp.com>
> > Subject: [PATCH] kni: update kernel API to receive packets
> >
> > API 'netif_rx_ni()' has been removed in kernel with commit:
> > baebdf48c3600 ("net: dev: Makes sure netif_rx() can be invoked in any
> > context.")
> >
> 
> It should be 5.18:
> 	git describe --contains baebdf48c3600
> 	v5.18-rc1~136^2~356^2~1

Thanks, will be updated in next version.
> 
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> vs
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> 
> > The API netif_rx() can be used for any context to receive packets from
> > device drivers.
> >
> > This patch replaces the API netif_rx_ni() with netif_rx() for kernel
> > version 5.17 and above.
> >
> > Signed-off-by: Gagandeep Singh <g.singh at nxp.com>
> > ---
> >  kernel/linux/kni/kni_net.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> >
> > diff --git a/kernel/linux/kni/kni_net.c b/kernel/linux/kni/kni_net.c
> > index 29e5b9e21f..764ac0b225 100644
> > --- a/kernel/linux/kni/kni_net.c
> > +++ b/kernel/linux/kni/kni_net.c
> > @@ -441,7 +441,11 @@ kni_net_rx_normal(struct kni_dev *kni)
> >  		skb->ip_summed = CHECKSUM_UNNECESSARY;
> >
> >  		/* Call netif interface */
> > +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 17, 0)
> > +		netif_rx(skb);
> > +#else
> >  		netif_rx_ni(skb);
> > +#endif
> >
> >  		/* Update statistics */
> >  		dev->stats.rx_bytes += len;
> > --
> > 2.25.1