linux-kernel - [PATCH RESEND net v1 0/2] iavf: fix double-broken HW hash report

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 for Android: free password hash cracker in your pocket

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

Message-Id: <20230301115908.47995-1-aleksander.lobakin@intel.com>
Date:   Wed,  1 Mar 2023 12:59:06 +0100
From:   Alexander Lobakin <aleksander.lobakin@...el.com>
To:     Tony Nguyen <anthony.l.nguyen@...el.com>
Cc:     Alexander Lobakin <aleksander.lobakin@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Michal Kubiak <michal.kubiak@...el.com>,
        Larysa Zaremba <larysa.zaremba@...el.com>,
        Maciej Fijalkowski <maciej.fijalkowski@...el.com>,
        Jesse Brandeburg <jesse.brandeburg@...el.com>,
        intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH RESEND net v1 0/2] iavf: fix double-broken HW hash report

Currently, passing HW hash from descriptors to skb is broken two times.
The first bug effectively disables hash from being filled at all, unless
%NETIF_F_RXHASH is *disabled* via Ethtool. The second incorrectly says
that IPv6 UDP packets are L3, which also triggers CPU hashing when
needed (the networking core treats only L4 HW hash as "true").
The very same problems were fixed in i40e and ice, but not in iavf,
although each of the original commits bugged at least two drivers.
It's never too late (I hope), so fix iavf this time.

Alexander Lobakin (2):
  iavf: fix inverted Rx hash condition leading to disabled hash
  iavf: fix non-tunneled IPv6 UDP packet type and hashing

 drivers/net/ethernet/intel/iavf/iavf_common.c | 2 +-
 drivers/net/ethernet/intel/iavf/iavf_txrx.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

---
To Tony: this is very trivial and tested for a while already, I hope it
could hit one of the first couple RCs :p
-- 
2.39.2