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bridge: Use STP demux

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Use the STP demux layer for receiving STP PDUs instead of directly
registering with LLC.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2008-07-05 21:25:56 -07:00
committed by David S. Miller
parent a19800d704
commit 7c85fbf065
4 changed files with 16 additions and 18 deletions
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12
net/bridge/br_stp_bpdu.c
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@@ -18,6 +18,7 @@
#include <net/net_namespace.h>
#include <net/llc.h>
#include <net/llc_pdu.h>
#include <net/stp.h>
#include <asm/unaligned.h>
#include "br_private.h"
@@ -131,10 +132,9 @@ void br_send_tcn_bpdu(struct net_bridge_port *p)
*
* NO locks, but rcu_read_lock (preempt_disabled)
*/
int br_stp_rcv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *pt, struct net_device *orig_dev)
void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb,
struct net_device *dev)
{
const struct llc_pdu_un *pdu = llc_pdu_un_hdr(skb);
const unsigned char *dest = eth_hdr(skb)->h_dest;
struct net_bridge_port *p = rcu_dereference(dev->br_port);
struct net_bridge *br;
@@ -146,11 +146,6 @@ int br_stp_rcv(struct sk_buff *skb, struct net_device *dev,
if (!p)
goto err;
if (pdu->ssap != LLC_SAP_BSPAN
|| pdu->dsap != LLC_SAP_BSPAN
|| pdu->ctrl_1 != LLC_PDU_TYPE_U)
goto err;
if (!pskb_may_pull(skb, 4))
goto err;
@@ -224,5 +219,4 @@ int br_stp_rcv(struct sk_buff *skb, struct net_device *dev,
spin_unlock(&br->lock);
err:
kfree_skb(skb);
return 0;
}