diff options
| -rw-r--r-- | net/bridge/Kconfig | 1 | ||||
| -rw-r--r-- | net/bridge/br.c | 16 | ||||
| -rw-r--r-- | net/bridge/br_private.h | 5 | ||||
| -rw-r--r-- | net/bridge/br_stp_bpdu.c | 12 |
4 files changed, 16 insertions, 18 deletions
diff --git a/net/bridge/Kconfig b/net/bridge/Kconfig index 12265af..e143ca6 100644 --- a/net/bridge/Kconfig +++ b/net/bridge/Kconfig @@ -5,6 +5,7 @@ config BRIDGE tristate "802.1d Ethernet Bridging" select LLC + select STP ---help--- If you say Y here, then your Linux box will be able to act as an Ethernet bridge, which means that the different Ethernet segments it diff --git a/net/bridge/br.c b/net/bridge/br.c index cede010..573acdf 100644 --- a/net/bridge/br.c +++ b/net/bridge/br.c @@ -18,21 +18,24 @@ #include <linux/init.h> #include <linux/llc.h> #include <net/llc.h> +#include <net/stp.h> #include "br_private.h" int (*br_should_route_hook)(struct sk_buff *skb); -static struct llc_sap *br_stp_sap; +static const struct stp_proto br_stp_proto = { + .rcv = br_stp_rcv, +}; static int __init br_init(void) { int err; - br_stp_sap = llc_sap_open(LLC_SAP_BSPAN, br_stp_rcv); - if (!br_stp_sap) { + err = stp_proto_register(&br_stp_proto); + if (err < 0) { printk(KERN_ERR "bridge: can't register sap for STP\n"); - return -EADDRINUSE; + return err; } err = br_fdb_init(); @@ -65,13 +68,13 @@ err_out2: err_out1: br_fdb_fini(); err_out: - llc_sap_put(br_stp_sap); + stp_proto_unregister(&br_stp_proto); return err; } static void __exit br_deinit(void) { - rcu_assign_pointer(br_stp_sap->rcv_func, NULL); + stp_proto_unregister(&br_stp_proto); br_netlink_fini(); unregister_netdevice_notifier(&br_device_notifier); @@ -82,7 +85,6 @@ static void __exit br_deinit(void) synchronize_net(); br_netfilter_fini(); - llc_sap_put(br_stp_sap); br_fdb_get_hook = NULL; br_fdb_put_hook = NULL; diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 8593c9f..815ed38 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -226,8 +226,9 @@ extern void br_stp_set_path_cost(struct net_bridge_port *p, extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id); /* br_stp_bpdu.c */ -extern int br_stp_rcv(struct sk_buff *skb, struct net_device *dev, - struct packet_type *pt, struct net_device *orig_dev); +struct stp_proto; +extern void br_stp_rcv(const struct stp_proto *proto, struct sk_buff *skb, + struct net_device *dev); /* br_stp_timer.c */ extern void br_stp_timer_init(struct net_bridge *br); diff --git a/net/bridge/br_stp_bpdu.c b/net/bridge/br_stp_bpdu.c index 9dc2de6..9964761 100644 --- a/net/bridge/br_stp_bpdu.c +++ b/net/bridge/br_stp_bpdu.c @@ -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; } |
