netdev - Re: [PATCH 03/10] ovs: Enable handling of UFO6 packets.

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:	Thu, 18 Dec 2014 00:26:01 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Vladislav Yasevich <vyasevich@...il.com>
Cc:	netdev@...r.kernel.org, virtualization@...ts.linux-foundation.org,
	ben@...adent.org.uk, stefanha@...hat.com,
	Vladislav Yasevich <vyasevic@...hat.com>
Subject: Re: [PATCH 03/10] ovs: Enable handling of UFO6 packets.

On Wed, Dec 17, 2014 at 01:20:48PM -0500, Vladislav Yasevich wrote:
> Since UFO6 packets can now be identified by SKB_GSO_UDP6, add proper checks
> to handel UFO6 flows.

s/handel/handle/

> Legacy applications may still have UFO6 packets identified by SKB_GSO_UDP,
> so we need to continue to handle them correclty.
> 
> Signed-off-by: Vladislav Yasevich <vyasevic@...hat.com>
> ---
>  net/openvswitch/datapath.c | 3 ++-
>  net/openvswitch/flow.c     | 2 +-
>  2 files changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
> index f9e556b..b43fc60 100644
> --- a/net/openvswitch/datapath.c
> +++ b/net/openvswitch/datapath.c
> @@ -334,7 +334,8 @@ static int queue_gso_packets(struct datapath *dp, struct sk_buff *skb,
>  		if (err)
>  			break;
>  
> -		if (skb == segs && gso_type & SKB_GSO_UDP) {
> +		if (skb == segs &&
> +		    ((gso_type & SKB_GSO_UDP) || (gso_type & SKB_GSO_UDP6))) {
>  			/* The initial flow key extracted by ovs_flow_extract()
>  			 * in this case is for a first fragment, so we need to
>  			 * properly mark later fragments.
> diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c
> index 2b78789..d03adf4 100644
> --- a/net/openvswitch/flow.c
> +++ b/net/openvswitch/flow.c
> @@ -602,7 +602,7 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key)
>  
>  		if (key->ip.frag == OVS_FRAG_TYPE_LATER)
>  			return 0;
> -		if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP)
> +		if (skb_shinfo(skb)->gso_type & (SKB_GSO_UDP | SKB_GSO_UDP6))
>  			key->ip.frag = OVS_FRAG_TYPE_FIRST;
>  
>  		/* Transport layer. */
> -- 
> 1.9.3
--
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