[PATCH] kni: update kernel API to receive packets

[Stephen Hemminger]

On Fri, 15 Apr 2022 13:30:33 +0100
Ferruh Yigit <ferruh.yigit at xilinx.com> wrote:

> >> But this change would cause KNI kernel module does not work in the old kernel
> >> without this patch. I suggested using netif_rx_ni to keep compatibility.  
> > 
> > netif_rx() API exists from very older versions of kernel before v2.6. There will be
> > no compilation issues. Only difference was, netif_rx_ni() can be used in noninterrupt contexts
> > to improve performance.  
> 
> May not be compilation issue, but with old kernels won't the behavior be 
> different when 'netif_rx_ni()' switched to 'netif_rx()

Probably best handled by #ifdef on kernel version but will be
a mess for backports to distro kernels.

Looks like:

	Older	   -> New
	netif_rx_ni   netif_rx
	neitf_rx      __netif_rx