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fakelb: don't deliver when one phy 

A real phy don't transmit the transmitted frame back to the phy. This
behaviour will confuse the 6LoWPAN and the upper IPv6 neighbour
discovery cache. We need now at least two virtual phy's to creating a
virtual wpan network.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2015-05-17 21:45:01 +02:00 committed by Marcel Holtmann
parent db3f5d0df9
commit 9f8b97f888
1 changed files with 7 additions and 11 deletions
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18
drivers/net/ieee802154/fakelb.c
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@ -80,20 +80,16 @@ fakelb_hw_xmit(struct ieee802154_hw *hw, struct sk_buff *skb)
{
struct fakelb_phy *current_phy = hw->priv;
struct fakelb_priv *fake = current_phy->fake;
struct fakelb_phy *phy;
read_lock_bh(&fake->lock);
if (current_phy->list.next == current_phy->list.prev) {
/* we are the only one device */
fakelb_hw_deliver(current_phy, skb);
} else {
struct fakelb_phy *phy;
list_for_each_entry(phy, &current_phy->fake->list, list) {
if (current_phy == phy)
continue;
list_for_each_entry(phy, &current_phy->fake->list, list) {
if (current_phy != phy &&
(phy->hw->phy->current_channel ==
current_phy->hw->phy->current_channel))
fakelb_hw_deliver(phy, skb);
}
if (phy->hw->phy->current_channel ==
current_phy->hw->phy->current_channel)
fakelb_hw_deliver(phy, skb);
}
read_unlock_bh(&fake->lock);