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| author | Eric W. Biederman <ebiederm@xmission.com> | 2015-03-02 00:05:28 -0600 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-02 16:43:40 -0500 |
| commit | 3b6a94bed0029a6b48055d89b8dea0567abca0ac (patch) | |
| tree | 97ba52a0d8d6ae197f9a76c4c34c8a760719cf0b /net/ax25 | |
| parent | 46d4e47abee04c24055114d50e408078a09c4d36 (diff) | |
| download | lwn-3b6a94bed0029a6b48055d89b8dea0567abca0ac.tar.gz lwn-3b6a94bed0029a6b48055d89b8dea0567abca0ac.zip | |
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>
Diffstat (limited to 'net/ax25')
| -rw-r--r-- | net/ax25/ax25_ip.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/net/ax25/ax25_ip.c b/net/ax25/ax25_ip.c index d93103ba8cec..bff12e0c9090 100644 --- a/net/ax25/ax25_ip.c +++ b/net/ax25/ax25_ip.c @@ -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); |