netdev - Re: [PATCH] net/usbnet: reserve headroom on rx skbs

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: <201203151801.03399.oneukum@suse.de>
Date:	Thu, 15 Mar 2012 18:01:03 +0100
From:	Oliver Neukum <oneukum@...e.de>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	"Greg Kroah-Hartman" <gregkh@...uxfoundation.org>
Subject: Re: [PATCH] net/usbnet: reserve headroom on rx skbs

Am Mittwoch, 14. März 2012, 17:56:25 schrieb Eric Dumazet:
> network drivers should reserve some headroom on incoming skbs so that we
> dont need expensive reallocations, eg forwarding packets in tunnels.
> 
> This NET_SKB_PAD padding is done in various helpers, like
> __netdev_alloc_skb_ip_align() in this patch, combining NET_SKB_PAD and
> NET_IP_ALIGN magic.
> 
> Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> Cc: Oliver Neukum <oneukum@...e.de>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Acked-by: Oliver Neukum <oneukum@...e.de>
--
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