diff options
Diffstat (limited to '')
| -rw-r--r-- | net/batman-adv/gateway_client.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index a9209466ddaf..4ed410f73de4 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -726,7 +726,20 @@ bool batadv_gw_is_dhcp_target(struct sk_buff *skb, unsigned int *header_len) return true; } -/* this call might reallocate skb data */ +/** + * batadv_gw_out_of_range - check if the dhcp request destination is the best gw + * @bat_priv: the bat priv with all the soft interface information + * @skb: the outgoing packet + * + * Check if the skb is a DHCP request and if it is sent to the current best GW + * server. Due to topology changes it may be the case that the GW server + * previously selected is not the best one anymore. + * + * Returns true if the packet destination is unicast and it is not the best gw, + * false otherwise. + * + * This call might reallocate skb data. + */ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, struct sk_buff *skb) { @@ -737,6 +750,9 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, bool ret, out_of_range = false; unsigned int header_len = 0; uint8_t curr_tq_avg; + unsigned short vid; + + vid = batadv_get_vid(skb, 0); ret = batadv_gw_is_dhcp_target(skb, &header_len); if (!ret) @@ -744,8 +760,7 @@ bool batadv_gw_out_of_range(struct batadv_priv *bat_priv, ethhdr = (struct ethhdr *)skb->data; orig_dst_node = batadv_transtable_search(bat_priv, ethhdr->h_source, - ethhdr->h_dest, - BATADV_NO_FLAGS); + ethhdr->h_dest, vid); if (!orig_dst_node) goto out; |