From: Martin Hundebøll Date: Thu, 5 Jul 2012 09:34:27 +0000 (+0200) Subject: batman-adv: Move batadv_check_unicast_packet() X-Git-Tag: upstream/snapshot3+hdmi~6565^2~288^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ff51fd70ad3e6bbf1ffc7d2a1d6a845d081df5a1;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git batman-adv: Move batadv_check_unicast_packet() batadv_check_unicast_packet() is needed in batadv_recv_tt_query(), so move the former to before the latter. Signed-off-by: Martin Hundebøll Signed-off-by: Antonio Quartulli --- diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c index d5edee7..a79ded5 100644 --- a/net/batman-adv/routing.c +++ b/net/batman-adv/routing.c @@ -579,6 +579,31 @@ batadv_find_ifalter_router(struct batadv_orig_node *primary_orig, return router; } +static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size) +{ + struct ethhdr *ethhdr; + + /* drop packet if it has not necessary minimum size */ + if (unlikely(!pskb_may_pull(skb, hdr_size))) + return -1; + + ethhdr = (struct ethhdr *)skb_mac_header(skb); + + /* packet with unicast indication but broadcast recipient */ + if (is_broadcast_ether_addr(ethhdr->h_dest)) + return -1; + + /* packet with broadcast sender address */ + if (is_broadcast_ether_addr(ethhdr->h_source)) + return -1; + + /* not for me */ + if (!batadv_is_my_mac(ethhdr->h_dest)) + return -1; + + return 0; +} + int batadv_recv_tt_query(struct sk_buff *skb, struct batadv_hard_iface *recv_if) { struct batadv_priv *bat_priv = netdev_priv(recv_if->soft_iface); @@ -819,31 +844,6 @@ err: return NULL; } -static int batadv_check_unicast_packet(struct sk_buff *skb, int hdr_size) -{ - struct ethhdr *ethhdr; - - /* drop packet if it has not necessary minimum size */ - if (unlikely(!pskb_may_pull(skb, hdr_size))) - return -1; - - ethhdr = (struct ethhdr *)skb_mac_header(skb); - - /* packet with unicast indication but broadcast recipient */ - if (is_broadcast_ether_addr(ethhdr->h_dest)) - return -1; - - /* packet with broadcast sender address */ - if (is_broadcast_ether_addr(ethhdr->h_source)) - return -1; - - /* not for me */ - if (!batadv_is_my_mac(ethhdr->h_dest)) - return -1; - - return 0; -} - static int batadv_route_unicast_packet(struct sk_buff *skb, struct batadv_hard_iface *recv_if) {