From: Joel A Fernandes Date: Mon, 10 Jan 2011 06:44:23 +0000 (-0600) Subject: mac80211: Rewrote code for checking if destinations are proxied. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=9d52501b421450ddd9e000c9788ac3be0e44ef1c;p=linux-beck.git mac80211: Rewrote code for checking if destinations are proxied. Rewrote code for checking if the destination is proxied by a mesh portal, to facilitate better understanding of the functionality. Signed-off-by: Joel A Fernandes Acked-by: Javier Cardona Signed-off-by: John W. Linville --- diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 5950e3abead9..dc261bbba522 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1815,19 +1815,19 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, mppath = mpp_path_lookup(skb->data, sdata); /* - * Do not use address extension, if it is a packet from - * the same interface and the destination is not being - * proxied by any other mest point. + * Use address extension if it is a packet from + * another interface or if we know the destination + * is being proxied by a portal (i.e. portal address + * differs from proxied address) */ if (compare_ether_addr(sdata->vif.addr, skb->data + ETH_ALEN) == 0 && - (!mppath || !compare_ether_addr(mppath->mpp, skb->data))) { + !(mppath && compare_ether_addr(mppath->mpp, skb->data))) { hdrlen = ieee80211_fill_mesh_addresses(&hdr, &fc, skb->data, skb->data + ETH_ALEN); meshhdrlen = ieee80211_new_mesh_header(&mesh_hdr, sdata, NULL, NULL); } else { - /* packet from other interface */ int is_mesh_mcast = 1; const u8 *mesh_da;