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| author | Stephen Hemminger <shemminger@linux-foundation.org> | 2007-03-21 14:22:44 -0700 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-04-25 22:28:48 -0700 |
| commit | 9cde070874b822d4677f4f01fe146991785813b1 (patch) | |
| tree | 2e3a444ad82e026237ce99a4f8cad201f6ca807d /net/bridge/br_private.h | |
| parent | 9cf637473c8535b5abe27fee79254c2d552e042a (diff) | |
| download | lwn-9cde070874b822d4677f4f01fe146991785813b1.tar.gz lwn-9cde070874b822d4677f4f01fe146991785813b1.zip | |
bridge: add support for user mode STP
This patchset based on work by Aji_Srinivas@emc.com provides allows
spanning tree to be controled from userspace. Like hotplug, it
uses call_usermodehelper when spanning tree is enabled so there
is no visible API change. If call to start usermode STP fails
it falls back to existing kernel STP.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Diffstat (limited to 'net/bridge/br_private.h')
| -rw-r--r-- | net/bridge/br_private.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 3adacdf3406f..974feccd28b1 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -26,7 +26,10 @@ #define BR_PORT_BITS 10 #define BR_MAX_PORTS (1<<BR_PORT_BITS) -#define BR_VERSION "2.2" +#define BR_VERSION "2.3" + +/* Path to usermode spanning tree program */ +#define BR_STP_PROG "/sbin/bridge-stp" typedef struct bridge_id bridge_id; typedef struct mac_addr mac_addr; @@ -107,7 +110,13 @@ struct net_bridge u8 group_addr[ETH_ALEN]; u16 root_port; - unsigned char stp_enabled; + + enum { + BR_NO_STP, /* no spanning tree */ + BR_KERNEL_STP, /* old STP in kernel */ + BR_USER_STP, /* new RSTP in userspace */ + } stp_enabled; + unsigned char topology_change; unsigned char topology_change_detected; @@ -127,7 +136,6 @@ static inline int br_is_root_bridge(const struct net_bridge *br) return !memcmp(&br->bridge_id, &br->designated_root, 8); } - /* br_device.c */ extern void br_dev_setup(struct net_device *dev); extern int br_dev_xmit(struct sk_buff *skb, struct net_device *dev); @@ -209,6 +217,7 @@ extern void br_become_designated_port(struct net_bridge_port *p); /* br_stp_if.c */ extern void br_stp_enable_bridge(struct net_bridge *br); extern void br_stp_disable_bridge(struct net_bridge *br); +extern void br_stp_set_enabled(struct net_bridge *br, unsigned long val); extern void br_stp_enable_port(struct net_bridge_port *p); extern void br_stp_disable_port(struct net_bridge_port *p); extern void br_stp_recalculate_bridge_id(struct net_bridge *br); |