netdev - [PATCH] ethtool: mask out FLOW

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-next>] [day] [month] [year] [list]

Message-ID: <31603.80.254.147.148.1306158835.squirrel@webmail.hs-esslingen.de>
Date:	Mon, 23 May 2011 15:53:55 +0200 (CEST)
From:	Sebastian Pöhn <s.poehn@...d.hs-esslingen.de>
To:	netdev@...r.kernel.org
Cc:	sebastian.poehn@...den.com, bhutchings@...arflare.com
Subject: [PATCH] ethtool: mask out FLOW_EXT

Sorry for the disclaimer the last time!

The FLOW_EXT bit must be masked out. Otherwise if e.g. vlan is set a
driver receiving the ntuple may not detect the flow_type correctly!

Signed-off-by: Sebastian Poehn <sebastian.poehn@...den.com>
---

diff --git a/ethtool.c b/ethtool.c
index 34fe107..0b7ec05 100644
--- a/ethtool.c
+++ b/ethtool.c
@@ -3134,6 +3134,9 @@ static int flow_spec_to_ntuple(struct
ethtool_rx_flow_spec *fsp,
                 (u64)ntohl(~fsp->m_ext.data[1]);
         }
     }
+
+    /*Mask out the extended bit, because ntuple does not know it!*/
+    ntuple->flow_type &= ~FLOW_EXT;

     return 0;
 }
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html