netdev - Re: [PATCH net-next v2 10/10] bnxt_en: Implement .ndo_features

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20210426103635.2ccd9d77@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Mon, 26 Apr 2021 10:36:35 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Michael Chan <michael.chan@...adcom.com>
Cc:     David Miller <davem@...emloft.net>,
        Netdev <netdev@...r.kernel.org>,
        Andrew Gospodarek <gospo@...adcom.com>
Subject: Re: [PATCH net-next v2 10/10] bnxt_en: Implement
 .ndo_features_check().

On Mon, 26 Apr 2021 10:09:29 -0700 Michael Chan wrote:
> On Mon, Apr 26, 2021 at 10:00 AM Jakub Kicinski <kuba@...nel.org> wrote:
> > On Mon, 26 Apr 2021 09:45:17 -0700 Michael Chan wrote:  
> > > Sorry, hit send too early.  If it is not UDP, it could be GRE or IP
> > > over IP for example, right?  Why do we need to turn off offload?  
> >
> > All supported protocols can be included in the allow list.
> > That's one of the costs of NETIF_F_IP_CSUM, the driver needs
> > to make sure the device can understand the packet.  
> 
> Only UDP encapsulations have the 2 port limitations.  The rest are supported.

AFAIU you claim that other than certain UDP formats your device can
parse _every_ possible packet encapsulation. To which I have no reply.