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| author | Antonio Quartulli <ordex@autistici.org> | 2011-04-26 21:31:45 +0200 |
|---|---|---|
| committer | Sven Eckelmann <sven@narfation.org> | 2011-06-20 11:37:41 +0200 |
| commit | 43676ab590c3f8686fd047d34c3e33803eef71f0 (patch) | |
| tree | 056303a6b33a23a74610cceee11c946847b22c61 /net/batman-adv/soft-interface.c | |
| parent | 19595e054d35820e026caac314414e435287e3ae (diff) | |
| download | linux-43676ab590c3f8686fd047d34c3e33803eef71f0.tar.gz linux-43676ab590c3f8686fd047d34c3e33803eef71f0.tar.bz2 linux-43676ab590c3f8686fd047d34c3e33803eef71f0.zip | |
batman-adv: improved gateway tq-based selection
If a client issues a DHCPREQUEST for renewal, the packet is dropped
if the old destination (the old gateway for the client) TQ is smaller
than the current best gateway TQ less GW_THRESHOLD
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Diffstat (limited to 'net/batman-adv/soft-interface.c')
| -rw-r--r-- | net/batman-adv/soft-interface.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 3371ece680a2..2dcdbb7a236c 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -30,6 +30,7 @@ #include "gateway_common.h" #include "gateway_client.h" #include "bat_sysfs.h" +#include "originator.h" #include <linux/slab.h> #include <linux/ethtool.h> #include <linux/etherdevice.h> @@ -561,6 +562,7 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) struct bcast_packet *bcast_packet; struct vlan_ethhdr *vhdr; struct softif_neigh *curr_softif_neigh = NULL; + struct orig_node *orig_node = NULL; int data_len = skb->len, ret; short vid = -1; bool do_bcast = false; @@ -595,8 +597,10 @@ static int interface_tx(struct sk_buff *skb, struct net_device *soft_iface) /* Register the client MAC in the transtable */ tt_local_add(soft_iface, ethhdr->h_source); - if (is_multicast_ether_addr(ethhdr->h_dest)) { - ret = gw_is_target(bat_priv, skb); + orig_node = transtable_search(bat_priv, ethhdr->h_dest); + if (is_multicast_ether_addr(ethhdr->h_dest) || + (orig_node && orig_node->gw_flags)) { + ret = gw_is_target(bat_priv, skb, orig_node); if (ret < 0) goto dropped; @@ -656,6 +660,8 @@ end: softif_neigh_free_ref(curr_softif_neigh); if (primary_if) hardif_free_ref(primary_if); + if (orig_node) + orig_node_free_ref(orig_node); return NETDEV_TX_OK; } |