netdev - RE: [Intel-wired-lan] [PATCH intel-next v6 5/8] i40e: use frame_sz instead of recalculating truesize for building skb

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]

Date:   Fri, 3 Mar 2023 17:17:42 +0000
From:   "Rout, ChandanX" <chandanx.rout@...el.com>
To:     "Sarkar, Tirthendu" <tirthendu.sarkar@...el.com>,
        "intel-wired-lan@...ts.osuosl.org" <intel-wired-lan@...ts.osuosl.org>
CC:     "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
        "Nguyen, Anthony L" <anthony.l.nguyen@...el.com>,
        "bpf@...r.kernel.org" <bpf@...r.kernel.org>,
        "Karlsson, Magnus" <magnus.karlsson@...el.com>,
        "Kuruvinakunnel, George" <george.kuruvinakunnel@...el.com>,
        "Nagaraju, Shwetha" <shwetha.nagaraju@...el.com>,
        "Nagraj, Shravan" <shravan.nagraj@...el.com>
Subject: RE: [Intel-wired-lan] [PATCH intel-next v6 5/8] i40e: use frame_sz
 instead of recalculating truesize for building skb



>-----Original Message-----
>From: Intel-wired-lan <intel-wired-lan-bounces@...osl.org> On Behalf Of
>Sarkar, Tirthendu
>Sent: 18 February 2023 00:45
>To: intel-wired-lan@...ts.osuosl.org
>Cc: Sarkar, Tirthendu <tirthendu.sarkar@...el.com>; netdev@...r.kernel.org;
>Brandeburg, Jesse <jesse.brandeburg@...el.com>; Nguyen, Anthony L
><anthony.l.nguyen@...el.com>; bpf@...r.kernel.org; Karlsson, Magnus
><magnus.karlsson@...el.com>
>Subject: [Intel-wired-lan] [PATCH intel-next v6 5/8] i40e: use frame_sz instead
>of recalculating truesize for building skb
>
>In skb path truesize is calculated while building skb. This is now avoided and
>xdp->frame_is used instead for both i40e_build_skb() and
>i40e_construct_skb().
>
>Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@...el.com>
>---
> drivers/net/ethernet/intel/i40e/i40e_txrx.c | 20 ++++----------------
> 1 file changed, 4 insertions(+), 16 deletions(-)
>

Tested-by: Chandan Kumar Rout <chandanx.rout@...el.com> (A Contingent Worker at Intel)