Hi Aring,
> On Mon, Jul 13, 2015 at 01:50:33PM +0200, Lukasz Duda wrote:
> > Allocating context table for stateful compression when interface is
> > set up. Removing context table when interface is being unregistered.
> >
> > Signed-off-by: Lukasz Duda <lukasz.duda@xxxxxxxxxxxxx>
> > Signed-off-by: Glenn Ruben Bakke <glenn.ruben.bakke@xxxxxxxxxxxxx>
> > ---
> > net/bluetooth/6lowpan.c | 4 ++++
> > 1 file changed, 4 insertions(+)
> >
> > diff --git a/net/bluetooth/6lowpan.c b/net/bluetooth/6lowpan.c index
> > 2fb7b30..60c7e80 100644
> > --- a/net/bluetooth/6lowpan.c
> > +++ b/net/bluetooth/6lowpan.c
> > @@ -871,6 +871,9 @@ static int setup_netdev(struct l2cap_chan *chan,
> struct lowpan_dev **dev)
> > &chan->src, chan->src_type);
> > set_bit(__LINK_STATE_PRESENT, &netdev->state);
> >
> > + /* Allocate context table for stateful compression. */
> > + lowpan_context_table_alloc(netdev);
> > +
> > *dev = netdev_priv(netdev);
> > (*dev)->netdev = netdev;
> > (*dev)->hdev = chan->conn->hcon->hdev; @@ -1415,6 +1418,7 @@
> static
> > int device_event(struct notifier_block *unused,
> > if (entry->netdev == netdev) {
> > BT_DBG("Unregistered netdev %s %p",
> > netdev->name, netdev);
> > + lowpan_context_table_free(netdev);
> > list_del(&entry->list);
> > break;
> > }
>
> Don't we need similar allocation in net/ieee802154/6lowpan/core.c ?
>
> - Alex
Yes we need the same for IEEE802.15.4. Since I can test stateful compression feature only with BT-LE right now,
I decided to not touch this part. However this is an obvious goal to create generic stateful compression for all
set of 6LoWPAN protocols.
Regards,
Łukasz
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