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* [BRIDGE]: netlink interface for link managementStephen Hemminger2006-06-171-1/+6
| | | | | | | | | | | | | | | | Add basic netlink support to the Ethernet bridge. Including: * dump interfaces in bridges * monitor link status changes * change state of bridge port For some demo programs see: http://developer.osdl.org/shemminger/prototypes/brnl.tar.gz These are to allow building a daemon that does alternative implementations of Spanning Tree Protocol. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: fix module startup error handlingStephen Hemminger2006-06-171-0/+5
| | | | | | | | Return address in use, if some other kernel code has the SAP. Propogate out error codes from netfilter registration and unwind. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: allow show/store of group multicast addressStephen Hemminger2006-03-201-1/+2
| | | | | | | | | | | | | | Bridge's communicate with each other using Spanning Tree Protocol over a standard multicast address. There are times when testing or layering bridges over existing topologies or tunnels, when it is useful to use alternative multicast addresses for STP packets. The 802.1d standard has some unused addresses, that can be used for this. This patch is restrictive in that it only allows one of the possible addresses in the standard. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: use llc for receiving STP packetsStephen Hemminger2006-03-201-1/+2
| | | | | | | | | | | | | | | Use LLC for the receive path of Spanning Tree Protocol packets. This allows link local multicast packets to be received by other protocols (if they care), and uses the existing LLC code to get STP packets back into bridge code. The bridge multicast address is also checked, so bridges using other link local multicast addresses are ignored. This allows for use of different multicast addresses to define separate STP domains. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: fix error handling for add interface to bridgeStephen Hemminger2006-02-091-4/+1
| | | | | | | | | Refactor how the bridge code interacts with kobject system. It should still use kobjects even if not using sysfs. Fix the error unwind handling in br_add_if. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: fix for RCU and deadlock on device removalStephen Hemminger2006-02-091-1/+0
| | | | | | | | | Change Bridge receive path to correctly handle RCU removal of device from bridge. Also fixes deadlock between carrier_check and del_nbp. This replaces the previous deleted flag fix. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: Fix device delete race.Stephen Hemminger2006-01-311-0/+1
| | | | | | | | | | | | This is a simpler fix for the two races in bridge device removal. The Xen race of delif and notify is managed now by a new deleted flag. No need for barriers or other locking because of rtnl mutex. The del_timer_sync()'s are unnecessary, because br_stp_disable_port delete's the timers, and they will finish running before RCU callback. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: add version numberStephen Hemminger2006-01-031-0/+2
| | | | | | | Add version info to bridge module. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: limited ethtool supportStephen Hemminger2006-01-031-0/+1
| | | | | | | | | | | Add limited ethtool support to bridge to allow disabling features. Note: if underlying device does not support a feature (like checksum offload), then the bridge device won't inherit it. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: handle speed detection after carrier changesStephen Hemminger2006-01-031-0/+3
| | | | | | | | | | | | Speed of a interface may not be available until carrier is detected in the case of autonegotiation. To get the correct value we need to recheck speed after carrier event. But the check needs to be done in a context that is similar to normal ethtool interface (can sleep). Also, delay check for 1ms to try avoid any carrier bounce transitions. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: allow setting hardware address of bridge pseudo-devStephen Hemminger2006-01-031-0/+1
| | | | | | | | | | Some people are using bridging to hide multiple machines from an ISP that restricts by MAC address. So in that case allow the bridge mac address to be set to any of the existing interfaces. I don't want to allow any arbitrary value and confuse STP. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: set features based on enslaved devicesStephen Hemminger2005-05-291-0/+1
| | | | | | | | | Make features of the bridge pseudo-device be a subset of the underlying devices. Motivated by Xen and others who use bridging to do failover. Signed-off-by: Catalin BOIE <catab at umrella.ro> Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-161-0/+244
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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