diff options
Diffstat (limited to 'net/batman-adv/network-coding.c')
| -rw-r--r-- | net/batman-adv/network-coding.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c index e84629ece9b7..a487d46e0aec 100644 --- a/net/batman-adv/network-coding.c +++ b/net/batman-adv/network-coding.c @@ -1245,7 +1245,7 @@ static void batadv_nc_skb_store_before_coding(struct batadv_priv *bat_priv, return; /* Set the mac header as if we actually sent the packet uncoded */ - ethhdr = (struct ethhdr *)skb_mac_header(skb); + ethhdr = eth_hdr(skb); memcpy(ethhdr->h_source, ethhdr->h_dest, ETH_ALEN); memcpy(ethhdr->h_dest, eth_dst_new, ETH_ALEN); @@ -1359,18 +1359,17 @@ static bool batadv_nc_skb_add_to_path(struct sk_buff *skb, * buffer * @skb: data skb to forward * @neigh_node: next hop to forward packet to - * @ethhdr: pointer to the ethernet header inside the skb * * Returns true if the skb was consumed (encoded packet sent) or false otherwise */ bool batadv_nc_skb_forward(struct sk_buff *skb, - struct batadv_neigh_node *neigh_node, - struct ethhdr *ethhdr) + struct batadv_neigh_node *neigh_node) { const struct net_device *netdev = neigh_node->if_incoming->soft_iface; struct batadv_priv *bat_priv = netdev_priv(netdev); struct batadv_unicast_packet *packet; struct batadv_nc_path *nc_path; + struct ethhdr *ethhdr = eth_hdr(skb); __be32 packet_id; u8 *payload; @@ -1423,7 +1422,7 @@ void batadv_nc_skb_store_for_decoding(struct batadv_priv *bat_priv, { struct batadv_unicast_packet *packet; struct batadv_nc_path *nc_path; - struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb); + struct ethhdr *ethhdr = eth_hdr(skb); __be32 packet_id; u8 *payload; @@ -1482,7 +1481,7 @@ out: void batadv_nc_skb_store_sniffed_unicast(struct batadv_priv *bat_priv, struct sk_buff *skb) { - struct ethhdr *ethhdr = (struct ethhdr *)skb_mac_header(skb); + struct ethhdr *ethhdr = eth_hdr(skb); if (batadv_is_my_mac(bat_priv, ethhdr->h_dest)) return; @@ -1533,7 +1532,7 @@ batadv_nc_skb_decode_packet(struct batadv_priv *bat_priv, struct sk_buff *skb, skb_reset_network_header(skb); /* Reconstruct original mac header */ - ethhdr = (struct ethhdr *)skb_mac_header(skb); + ethhdr = eth_hdr(skb); memcpy(ethhdr, ðhdr_tmp, sizeof(*ethhdr)); /* Select the correct unicast header information based on the location @@ -1677,7 +1676,7 @@ static int batadv_nc_recv_coded_packet(struct sk_buff *skb, return NET_RX_DROP; coded_packet = (struct batadv_coded_packet *)skb->data; - ethhdr = (struct ethhdr *)skb_mac_header(skb); + ethhdr = eth_hdr(skb); /* Verify frame is destined for us */ if (!batadv_is_my_mac(bat_priv, ethhdr->h_dest) && @@ -1763,6 +1762,13 @@ int batadv_nc_nodes_seq_print_text(struct seq_file *seq, void *offset) /* For each orig_node in this bin */ rcu_read_lock(); hlist_for_each_entry_rcu(orig_node, head, hash_entry) { + /* no need to print the orig node if it does not have + * network coding neighbors + */ + if (list_empty(&orig_node->in_coding_list) && + list_empty(&orig_node->out_coding_list)) + continue; + seq_printf(seq, "Node: %pM\n", orig_node->orig); seq_puts(seq, " Ingoing: "); |