netdev - RE: [Intel-wired-lan] [PATCH v3 intel-net 2/2] ice: xsk: drop power of 2 ring size restriction for AF

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Date:   Tue, 27 Sep 2022 03:25:44 +0000
From:   "Kuruvinakunnel, George" <george.kuruvinakunnel@...el.com>
To:     "Fijalkowski, Maciej" <maciej.fijalkowski@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "alasdair.mcwilliam@...look.com" <alasdair.mcwilliam@...look.com>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "Karlsson, Magnus" <magnus.karlsson@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH v3 intel-net 2/2] ice: xsk: drop power
 of 2 ring size restriction for AF_XDP

> -----Original Message-----
> From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of Maciej
> Fijalkowski
> Sent: Thursday, September 1, 2022 4:11 PM
> To: intel-wired-lan@...ts.osuosl.org
> Cc: alasdair.mcwilliam@...look.com; netdev@...r.kernel.org;
> bpf@...r.kernel.org; Karlsson, Magnus <magnus.karlsson@...el.com>
> Subject: [Intel-wired-lan] [PATCH v3 intel-net 2/2] ice: xsk: drop power of 2 ring
> size restriction for AF_XDP
> 
> We had multiple customers in the past months that reported commit
> 296f13ff3854 ("ice: xsk: Force rings to be sized to power of 2") makes them
> unable to use ring size of 8160 in conjunction with AF_XDP.
> Remove this restriction.
> 
> Fixes: 296f13ff3854 ("ice: xsk: Force rings to be sized to power of 2")
> CC: Alasdair McWilliam <alasdair.mcwilliam@...look.com>
> Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@...el.com>
> ---
>  drivers/net/ethernet/intel/ice/ice_xsk.c | 20 +++++++-------------
>  1 file changed, 7 insertions(+), 13 deletions(-)
> 

Tested-by: George Kuruvinakunnel <george.kuruvinakunnel@...el.com>