From patchwork Tue Dec 7 22:32:19 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Linus_L=C3=BCssing?= X-Patchwork-Id: 658 Return-Path: Received: from fmmailgate02.web.de (fmmailgate02.web.de [217.72.192.227]) by open-mesh.org (Postfix) with ESMTP id B62E515466C for ; Tue, 7 Dec 2010 23:34:06 +0100 (CET) Received: from smtp03.web.de ( [172.20.0.65]) by fmmailgate02.web.de (Postfix) with ESMTP id DDBEB18C557FC; Tue, 7 Dec 2010 23:32:36 +0100 (CET) Received: from [46.126.246.98] (helo=localhost) by smtp03.web.de with asmtp (TLSv1:AES128-SHA:128) (WEB.DE 4.110 #4) id 1PQ65M-00056j-00; Tue, 07 Dec 2010 23:32:36 +0100 From: =?UTF-8?q?Linus=20L=C3=BCssing?= To: b.a.t.m.a.n@lists.open-mesh.org Date: Tue, 7 Dec 2010 23:32:19 +0100 Message-Id: <1291761150-29818-9-git-send-email-linus.luessing@saxnet.de> X-Mailer: git-send-email 1.7.1 In-Reply-To: <20101207221351.GA19474@Sellars> References: <20101207221351.GA19474@Sellars> MIME-Version: 1.0 Sender: linus.luessing@web.de X-Sender: linus.luessing@web.de X-Provags-ID: V01U2FsdGVkX19Ri5M7iR1Gsna6CZApQC9oRCgzEIsp3OjRcWUF xqr74mmuI0tRk3d1FPbvw5wd02Z829S8DTZOOtYcZtElFUtH3u S/wGK4efvBR6BIgYYffw== Cc: =?UTF-8?q?Linus=20L=C3=BCssing?= Subject: [B.A.T.M.A.N.] [PATCH 09/20] batman-adv: Route multicast tracker packets X-BeenThere: b.a.t.m.a.n@lists.open-mesh.org X-Mailman-Version: 2.1.11 Precedence: list Reply-To: The list for a Better Approach To Mobile Ad-hoc Networking List-Id: The list for a Better Approach To Mobile Ad-hoc Networking List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Dec 2010 22:34:08 -0000 This commit adds the ability to also forward a received multicast tracker packet (if necessary). It also makes use of the same splitting methods introduced with one of the previous commits, in case of multiple next hop destinations. Signed-off-by: Linus Lüssing --- hard-interface.c | 5 +++++ routing.c | 19 +++++++++++++++++++ routing.h | 1 + 3 files changed, 25 insertions(+), 0 deletions(-) diff --git a/hard-interface.c b/hard-interface.c index 2b502be..3b380e1 100644 --- a/hard-interface.c +++ b/hard-interface.c @@ -624,6 +624,11 @@ int batman_skb_recv(struct sk_buff *skb, struct net_device *dev, ret = recv_bcast_packet(skb, batman_if); break; + /* multicast tracker packet */ + case BAT_MCAST_TRACKER: + ret = recv_mcast_tracker_packet(skb, batman_if); + break; + /* vis packet */ case BAT_VIS: ret = recv_vis_packet(skb, batman_if); diff --git a/routing.c b/routing.c index cf145b7..9c83006 100644 --- a/routing.c +++ b/routing.c @@ -35,6 +35,7 @@ #include "gateway_common.h" #include "gateway_client.h" #include "unicast.h" +#include "multicast.h" void slide_own_bcast_window(struct batman_if *batman_if) { @@ -1378,6 +1379,24 @@ int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if) return NET_RX_SUCCESS; } +int recv_mcast_tracker_packet(struct sk_buff *skb, struct batman_if *recv_if) +{ + struct bat_priv *bat_priv = netdev_priv(recv_if->soft_iface); + struct mcast_tracker_packet *tracker_packet; + int hdr_size = sizeof(struct mcast_tracker_packet); + + if (check_unicast_packet(skb, hdr_size) < 0) + return NET_RX_DROP; + + tracker_packet = (struct mcast_tracker_packet *)skb->data; + + route_mcast_tracker_packet(tracker_packet, skb->len, bat_priv); + + dev_kfree_skb(skb); + + return NET_RX_SUCCESS; +} + int recv_vis_packet(struct sk_buff *skb, struct batman_if *recv_if) { struct vis_packet *vis_packet; diff --git a/routing.h b/routing.h index d44b540..ad3f054 100644 --- a/routing.h +++ b/routing.h @@ -38,6 +38,7 @@ int recv_icmp_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_unicast_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_ucast_frag_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_bcast_packet(struct sk_buff *skb, struct batman_if *recv_if); +int recv_mcast_tracker_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_vis_packet(struct sk_buff *skb, struct batman_if *recv_if); int recv_bat_packet(struct sk_buff *skb, struct batman_if *recv_if); struct neigh_node *find_router(struct bat_priv *bat_priv,