ax25: Refactor to use private neighbour operations.

AX25 already has it's own private arp cache operations to isolate
it's abuse of dev_rebuild_header to transmit packets.  Add a function
ax25_neigh_construct that will allow all of the ax25 devices to
force using these operations, so that the generic arp code does
not need to.

Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-hams@vger.kernel.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric W. Biederman
2015-03-02 00:05:28 -06:00
committed by David S. Miller
parent 46d4e47abe
commit 3b6a94bed0
10 changed files with 42 additions and 0 deletions
+21
View File
@@ -216,6 +216,22 @@ put:
return 1;
}
int ax25_neigh_construct(struct neighbour *neigh)
{
/* This trouble could be saved if ax25 would right a proper
* dev_queue_xmit function.
*/
struct ax25_neigh_priv *priv = neighbour_priv(neigh);
if (neigh->tbl->family != AF_INET)
return -EINVAL;
priv->ops = *neigh->ops;
priv->ops.output = neigh_compat_output;
priv->ops.connected_output = neigh_compat_output;
return 0;
}
#else /* INET */
static int ax25_hard_header(struct sk_buff *skb, struct net_device *dev,
@@ -230,6 +246,10 @@ static int ax25_rebuild_header(struct sk_buff *skb)
return 1;
}
int ax25_neigh_construct(struct neighbour *neigh)
{
return 0;
}
#endif
const struct header_ops ax25_header_ops = {
@@ -238,4 +258,5 @@ const struct header_ops ax25_header_ops = {
};
EXPORT_SYMBOL(ax25_header_ops);
EXPORT_SYMBOL(ax25_neigh_construct);