[PATCH 2/2] net/af_xdp: reserve fill queue before socket create

[Ferruh Yigit]

On 2/18/2022 11:20 AM, Ciara Loftus wrote:
> Some zero copy AF_XDP drivers eg. ice require that there are addresses
> already in the fill queue before the socket is created. Otherwise you may
> see log messages such as:
> 
> XSK buffer pool does not provide enough addresses to fill 2047 buffers on
> Rx ring 0
> 

I confirm the above log is gone with the patch,
for the record I am seeing below instead now:
[  +0.346578] ice 0000:86:00.1: Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring 0
[  +0.032472] device enp134s0f1 left promiscuous mode

> This commit ensures that the addresses are available before creating the
> socket, instead of after.
> 
> Signed-off-by: Ciara Loftus<ciara.loftus at intel.com>

Tested-by: Ferruh Yigit <ferruh.yigit at intel.com>