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Re: [PATCH] mac80211: fix the problem of unicast forwarding from DS to DS in Mesh

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On Mon, 2013-02-18 at 19:16 +0800, Chun-Yeow Yeoh wrote:
> Unicast frame with unknown forwarding information always trigger
> the path discovery assuming destination is always located inside the
> MBSS. This patch allows the forwarding to look for mesh gate if path
> discovery inside the MBSS has failed.
> 
> Reported-by: Cedric Voncken <cedric.voncken@xxxxxxxxx>
> Signed-off-by: Chun-Yeow Yeoh <yeohchunyeow@xxxxxxxxx>
> ---
>  net/mac80211/tx.c |   15 ++++++++++++---
>  1 files changed, 12 insertions(+), 3 deletions(-)
> 
> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
> index 5b9602b..dce3af3 100644
> --- a/net/mac80211/tx.c
> +++ b/net/mac80211/tx.c
> @@ -1844,9 +1844,18 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb,
>  		}
>  
>  		if (!is_multicast_ether_addr(skb->data)) {
> -			mpath = mesh_path_lookup(sdata, skb->data);
> -			if (!mpath)
> -				mppath = mpp_path_lookup(sdata, skb->data);
> +			struct sta_info *next_hop;
> +
> +			mpath = mesh_path_lookup(skb->data, sdata);

as Thomas said, please rebase on mac80211-next.

> +			if (mpath)
> +				next_hop = rcu_dereference(mpath->next_hop);
> +
> +			if (!mpath || (mpath && (!next_hop ||
> +					!(mpath->flags & MESH_PATH_ACTIVE))))

indentation here is also wrong.

johannes


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