diff options
| author | Marek Lindner <mareklindner@neomailbox.ch> | 2016-03-20 18:39:56 +0800 |
|---|---|---|
| committer | Antonio Quartulli <a@unstable.cc> | 2016-05-10 18:28:54 +0800 |
| commit | 9d1601ef4347b27dfa627d61ccfa9a724cc6e303 (patch) | |
| tree | 4c83800f17204709e38d64e6f8b9475c5bfe2e2a /net/batman-adv | |
| parent | 4b426b108ac82b27f5af40df7da05a2501fd2aca (diff) | |
batman-adv: replace ethertype variable with ETH_P_BATMAN for readability
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Reviewed-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Antonio Quartulli <a@unstable.cc>
Diffstat (limited to 'net/batman-adv')
| -rw-r--r-- | net/batman-adv/soft-interface.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 3a0fc3c18444..343d2c904399 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -186,7 +186,6 @@ static int batadv_interface_tx(struct sk_buff *skb, struct batadv_priv *bat_priv = netdev_priv(soft_iface); struct batadv_hard_iface *primary_if = NULL; struct batadv_bcast_packet *bcast_packet; - __be16 ethertype = htons(ETH_P_BATMAN); static const u8 stp_addr[ETH_ALEN] = {0x01, 0x80, 0xC2, 0x00, 0x00, 0x00}; static const u8 ectp_addr[ETH_ALEN] = {0xCF, 0x00, 0x00, 0x00, @@ -216,7 +215,8 @@ static int batadv_interface_tx(struct sk_buff *skb, case ETH_P_8021Q: vhdr = vlan_eth_hdr(skb); - if (vhdr->h_vlan_encapsulated_proto != ethertype) { + /* drop batman-in-batman packets to prevent loops */ + if (vhdr->h_vlan_encapsulated_proto != htons(ETH_P_BATMAN)) { network_offset += VLAN_HLEN; break; } @@ -404,7 +404,6 @@ void batadv_interface_rx(struct net_device *soft_iface, { struct batadv_bcast_packet *batadv_bcast_packet; struct batadv_priv *bat_priv = netdev_priv(soft_iface); - __be16 ethertype = htons(ETH_P_BATMAN); struct vlan_ethhdr *vhdr; struct ethhdr *ethhdr; unsigned short vid; @@ -434,7 +433,8 @@ void batadv_interface_rx(struct net_device *soft_iface, vhdr = (struct vlan_ethhdr *)skb->data; - if (vhdr->h_vlan_encapsulated_proto != ethertype) + /* drop batman-in-batman packets to prevent loops */ + if (vhdr->h_vlan_encapsulated_proto != htons(ETH_P_BATMAN)) break; /* fall through */ |