linux-kernel - Re: [PATCH net-next,v2] hyperv: Add handling of IP header with option field in netvsc_set

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

Message-Id: <20141014.173717.1412701736631211553.davem@davemloft.net>
Date:	Tue, 14 Oct 2014 17:37:17 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	haiyangz@...rosoft.com
Cc:	netdev@...r.kernel.org, kys@...rosoft.com, olaf@...fle.de,
	jasowang@...hat.com, linux-kernel@...r.kernel.org,
	driverdev-devel@...uxdriverproject.org
Subject: Re: [PATCH net-next,v2] hyperv: Add handling of IP header with
 option field in netvsc_set_hash()

From: Haiyang Zhang <haiyangz@...rosoft.com>
Date: Tue, 14 Oct 2014 15:16:28 -0700

> In case that the IP header has optional field at the end, this patch will
> get the port numbers after that field, and compute the hash.
> 
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
> Reviewed-by: K. Y. Srinivasan <kys@...rosoft.com>

Instead of adding hack after hack after hack to your internal header
parser, just use the generic flow dissector we already have in the
kernel to fetch out the values you need.

__skb_flow_get_ports() etc.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/