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* drivers/net: const-ify ethtool_ops declarationsJeff Garzik2006-09-131-1/+1
| | | | Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Remove obsolete #include <linux/config.h>Jörn Engel2006-06-302-2/+0
| | | | | Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* [NET]: Add NETIF_F_GEN_CSUM and NETIF_F_ALL_CSUMHerbert Xu2006-06-181-5/+2
| | | | | | | | | | | The current stack treats NETIF_F_HW_CSUM and NETIF_F_NO_CSUM identically so we test for them in quite a few places. For the sake of brevity, I'm adding the macro NETIF_F_GEN_CSUM for these two. We also test the disjunct of NETIF_F_IP_CSUM and the other two in various places, for that purpose I've added NETIF_F_ALL_CSUM. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Add netif_tx_lockHerbert Xu2006-06-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Various drivers use xmit_lock internally to synchronise with their transmission routines. They do so without setting xmit_lock_owner. This is fine as long as netpoll is not in use. With netpoll it is possible for deadlocks to occur if xmit_lock_owner isn't set. This is because if a printk occurs while xmit_lock is held and xmit_lock_owner is not set can cause netpoll to attempt to take xmit_lock recursively. While it is possible to resolve this by getting netpoll to use trylock, it is suboptimal because netpoll's sole objective is to maximise the chance of getting the printk out on the wire. So delaying or dropping the message is to be avoided as much as possible. So the only alternative is to always set xmit_lock_owner. The following patch does this by introducing the netif_tx_lock family of functions that take care of setting/unsetting xmit_lock_owner. I renamed xmit_lock to _xmit_lock to indicate that it should not be used directly. I didn't provide irq versions of the netif_tx_lock functions since xmit_lock is meant to be a BH-disabling lock. This is pretty much a straight text substitution except for a small bug fix in winbond. It currently uses netif_stop_queue/spin_unlock_wait to stop transmission. This is unsafe as an IRQ can potentially wake up the queue. So it is safer to use netif_tx_disable. The hamradio bits used spin_lock_irq but it is unnecessary as xmit_lock must never be taken in an IRQ handler. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] bonding: support carrier state for masterJay Vosburgh2006-03-304-28/+102
| | | | | | | | | | | | Add support for the bonding master to specify its carrier state based upon the state of the slaves. For 802.3ad, the bond is up if there is an active, parterned aggregator. For other modes, the bond is up if any slaves are up. Updates driver version to 3.0.3. Based on a patch by jamal <hadi@cyberus.ca>. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] Notifier chain update: API changesAlan Stern2006-03-271-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The kernel's implementation of notifier chains is unsafe. There is no protection against entries being added to or removed from a chain while the chain is in use. The issues were discussed in this thread: http://marc.theaimsgroup.com/?l=linux-kernel&m=113018709002036&w=2 We noticed that notifier chains in the kernel fall into two basic usage classes: "Blocking" chains are always called from a process context and the callout routines are allowed to sleep; "Atomic" chains can be called from an atomic context and the callout routines are not allowed to sleep. We decided to codify this distinction and make it part of the API. Therefore this set of patches introduces three new, parallel APIs: one for blocking notifiers, one for atomic notifiers, and one for "raw" notifiers (which is really just the old API under a new name). New kinds of data structures are used for the heads of the chains, and new routines are defined for registration, unregistration, and calling a chain. The three APIs are explained in include/linux/notifier.h and their implementation is in kernel/sys.c. With atomic and blocking chains, the implementation guarantees that the chain links will not be corrupted and that chain callers will not get messed up by entries being added or removed. For raw chains the implementation provides no guarantees at all; users of this API must provide their own protections. (The idea was that situations may come up where the assumptions of the atomic and blocking APIs are not appropriate, so it should be possible for users to handle these things in their own way.) There are some limitations, which should not be too hard to live with. For atomic/blocking chains, registration and unregistration must always be done in a process context since the chain is protected by a mutex/rwsem. Also, a callout routine for a non-raw chain must not try to register or unregister entries on its own chain. (This did happen in a couple of places and the code had to be changed to avoid it.) Since atomic chains may be called from within an NMI handler, they cannot use spinlocks for synchronization. Instead we use RCU. The overhead falls almost entirely in the unregister routine, which is okay since unregistration is much less frequent that calling a chain. Here is the list of chains that we adjusted and their classifications. None of them use the raw API, so for the moment it is only a placeholder. ATOMIC CHAINS ------------- arch/i386/kernel/traps.c: i386die_chain arch/ia64/kernel/traps.c: ia64die_chain arch/powerpc/kernel/traps.c: powerpc_die_chain arch/sparc64/kernel/traps.c: sparc64die_chain arch/x86_64/kernel/traps.c: die_chain drivers/char/ipmi/ipmi_si_intf.c: xaction_notifier_list kernel/panic.c: panic_notifier_list kernel/profile.c: task_free_notifier net/bluetooth/hci_core.c: hci_notifier net/ipv4/netfilter/ip_conntrack_core.c: ip_conntrack_chain net/ipv4/netfilter/ip_conntrack_core.c: ip_conntrack_expect_chain net/ipv6/addrconf.c: inet6addr_chain net/netfilter/nf_conntrack_core.c: nf_conntrack_chain net/netfilter/nf_conntrack_core.c: nf_conntrack_expect_chain net/netlink/af_netlink.c: netlink_chain BLOCKING CHAINS --------------- arch/powerpc/platforms/pseries/reconfig.c: pSeries_reconfig_chain arch/s390/kernel/process.c: idle_chain arch/x86_64/kernel/process.c idle_notifier drivers/base/memory.c: memory_chain drivers/cpufreq/cpufreq.c cpufreq_policy_notifier_list drivers/cpufreq/cpufreq.c cpufreq_transition_notifier_list drivers/macintosh/adb.c: adb_client_list drivers/macintosh/via-pmu.c sleep_notifier_list drivers/macintosh/via-pmu68k.c sleep_notifier_list drivers/macintosh/windfarm_core.c wf_client_list drivers/usb/core/notify.c usb_notifier_list drivers/video/fbmem.c fb_notifier_list kernel/cpu.c cpu_chain kernel/module.c module_notify_list kernel/profile.c munmap_notifier kernel/profile.c task_exit_notifier kernel/sys.c reboot_notifier_list net/core/dev.c netdev_chain net/decnet/dn_dev.c: dnaddr_chain net/ipv4/devinet.c: inetaddr_chain It's possible that some of these classifications are wrong. If they are, please let us know or submit a patch to fix them. Note that any chain that gets called very frequently should be atomic, because the rwsem read-locking used for blocking chains is very likely to incur cache misses on SMP systems. (However, if the chain's callout routines may sleep then the chain cannot be atomic.) The patch set was written by Alan Stern and Chandra Seetharaman, incorporating material written by Keith Owens and suggestions from Paul McKenney and Andrew Morton. [jes@sgi.com: restructure the notifier chain initialization macros] Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: Jes Sorensen <jes@sgi.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* Merge branch 'net-const'Jeff Garzik2006-03-042-2/+2
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| * Massive net driver const-ification.Arjan van de Ven2006-03-042-2/+2
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* | [PATCH] bonding: suppress duplicate packetsJay Vosburgh2006-03-043-26/+56
|/ | | | | | | | | | | | | | | | | | Originally submitted by Kenzo Iwami; his original description is: The current bonding driver receives duplicate packets when broadcast/ multicast packets are sent by other devices or packets are flooded by the switch. In this patch, new flags are added in priv_flags of net_device structure to let the bonding driver discard duplicate packets in dev.c:skb_bond(). Modified by Jay Vosburgh to change a define name, update some comments, rearrange the new skb_bond() for clarity, clear all bonding priv_flags on slave release, and update the driver version. Signed-off-by: Kenzo Iwami <k-iwami@cj.jp.nec.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] bonding: fix a locking bug in bond_releaseJay Vosburgh2006-02-171-0/+1
| | | | | | | | | | bond_release returns EINVAL without releasing the bond lock if the slave device is not being bonded by the bond. The following patch ensures that the lock is released in this case. Signed-off-by: Stephen J. Bevan <stephen@dino.dnsalias.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] bonding: Sparse warnings fixLuiz Fernando Capitulino2006-02-071-3/+3
| | | | | | | | | | drivers/net/bonding/bond_sysfs.c:263:27: warning: Using plain integer as NULL pointer drivers/net/bonding/bond_sysfs.c:998:26: warning: Using plain integer as NULL pointer drivers/net/bonding/bond_sysfs.c:1126:26: warning: Using plain integer as NULL pointer Signed-off-by: Luiz Capitulino <lcapitulino@mandriva.com.br> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] bonding: allow bond to use TSO if slaves support itJay Vosburgh2006-02-071-1/+14
| | | | | | | | | Add NETIF_F_TSO (NETIF_F_UFO) to BOND_INTERSECT_FEATURES so that it can be used by a bonding device iff all its slave devices support TSO (UFO). Signed-off-by: Arthur Kepner <akepner@sgi.com> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] bonding: fix ->get_settings error checkingEric Sesterhenn2006-01-271-1/+1
| | | | | | | | | Since get_settings() returns a signed int and it gets checked for < 0 to catch an error, res should be a signed int too. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] bonding: UPDATED hash-table corruption in bond_alb.cJay Vosburgh2006-01-122-4/+4
| | | | | | | | | | | | | | | | | | | I believe I see the race Michael refers to (tlb_choose_channel may set head, which tlb_init_slave clears), although I was not able to reproduce it. I have updated his patch for the current netdev-2.6.git tree and added a version update. His original comment follows: Our systems have been crashing during testing of PCI HotPlug support in the various networking components. We've faulted in the bonding driver due to a bug in bond_alb.c:tlb_clear_slave() In that routine, the last modification to the TLB hash table is made without protection of the lock, allowing a race that can lead tlb_choose_channel() to select an invalid table element. -J Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] drivers/net/bonding/bonding.h: "extern inline" -> "static inline"Adrian Bunk2006-01-091-4/+4
| | | | | | | | | | "extern inline" doesn't make much sense. Signed-off-by: Adrian Bunk <bunk@stusta.de> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Garzik <jgarzik@pobox.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [bonding] Remove superfluous changelog.Jeff Garzik2005-11-287-619/+0
| | | | | No need to record this information in source code, its all in the git repository, and kernel archives.
* [PATCH] bonding: comments and changelogMitch Williams2005-11-132-0/+26
| | | | | | | | | Bonding source files still have changelogs in the comments. This, then, is an update to that changelog. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: spelling and whitespace correctionsMitch Williams2005-11-133-3/+4
| | | | | | | | Minor spelling and whitespace corrections. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: version updateMitch Williams2005-11-131-2/+2
| | | | | | | | | Update the version number for the bonding module. Since we've just added a significant new feature (sysfs support), bump the major number. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: add sysfs functionality to bonding (large)Mitch Williams2005-11-134-2/+1429
| | | | | | | | | | | This large patch adds sysfs functionality to the channel bonding module. Bonds can be added, removed, and reconfigured at runtime without having to reload the module. Multiple bonds with different configurations are easily configured, and ifenslave is no longer required to configure bonds. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: add ARP entries to /procMitch Williams2005-11-131-0/+23
| | | | | | | | Make the /proc files show which ARP targets are in use by each bond. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: Allow ARP target table to have empty entriesMitch Williams2005-11-131-1/+3
| | | | | | | | | | With the sysfs interface, the user can remove entries from the ARP table at runtime. The ARP monitor code now allows for empty entries in the table. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: make bond_init not __initMitch Williams2005-11-131-1/+1
| | | | | | | | | The sysfs interface can create bonds at runtime, and __init code goes away after module init. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: move bond creation into separate functionMitch Williams2005-11-132-52/+62
| | | | | | | | | The sysfs interface can create bonds at runtime, so we need a separate function to do this, instead of just doing it in the module init code. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: make functions not staticMitch Williams2005-11-132-13/+24
| | | | | | | | | The sysfs code needs access these functions, so make them not static, and move the protos to the header file. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: expose some structsMitch Williams2005-11-132-8/+10
| | | | | | | | | The sysfs code needs to know what these structs look like, so make them not static, and move the definition to the header. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: explicitly clear RLB flag during ALB initMitch Williams2005-11-131-0/+2
| | | | | | | | | Explicitly clear RLB flag during ALB init. This is needed for sysfs support, since the bond mode can be changed at runtime via sysfs. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: move kmalloc out of spinlock in ALB initMitch Williams2005-11-131-10/+12
| | | | | | | | | Move memory allocations out of the spinlock during ALB init. This gets rid of a sleeping-inside-spinlock warning and accompanying stack dump. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: get slave name from actual slave instead of param listMitch Williams2005-11-131-2/+2
| | | | | | | | | | Take the primary slave name shown in /proc from the actual slave dev instead of from the command-line parameter, which won't be present if the bond is created via sysfs. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: Add transmit policy to /procMitch Williams2005-11-131-0/+7
| | | | | | | | | Adds information about the recently-added transmit policy setting to each bond's /proc file. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: expand module param descriptionsMitch Williams2005-11-131-5/+12
| | | | | | | | Expand and correct the parameter descriptions shown by modinfo. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: add bond name to all error messagesMitch Williams2005-11-133-81/+112
| | | | | | | | | Add the bond name to all error messages so we can tell which one is complaining. Also reformats some error messages to be more consistent. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Acked-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: fix feature consolidationJay Vosburgh2005-11-082-26/+13
| | | | | | | | | | | | This should resolve http://bugzilla.kernel.org/show_bug.cgi?id=5519 The current feature computation loses bits that it doesn't know about, resulting in an inability to add VLANs and possibly other havoc. Rewrote function to preserve bits it doesn't know about, remove an unneeded state variable, and simplify the code. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
* [PATCH] bonding: cleanup comment for mode 1 IGMP xmit hackJohn W. Linville2005-10-191-3/+7
| | | | | | | | | Expand comment explaining MAC address selection for replicated IGMP frames transmitted in bonding mode 1 (active-backup). Also, a small whitespace cleanup. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* Merge branch 'master'Jeff Garzik2005-10-141-2/+3
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| * [PATCH] gfp flags annotations - part 1Al Viro2005-10-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | - added typedef unsigned int __nocast gfp_t; - replaced __nocast uses for gfp flags with gfp_t - it gives exactly the same warnings as far as sparse is concerned, doesn't change generated code (from gcc point of view we replaced unsigned int with typedef) and documents what's going on far better. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
| * [BONDING]: fix sparse gfp nocast warningsRandy Dunlap2005-10-051-2/+3
| | | | | | | | | | | | | | | | Fix implicit nocast warnings in bonding code: drivers/net/bonding/bond_main.c:1302:49: warning: implicit cast to nocast type Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] bonding: replicate IGMP traffic in activebackup modeJohn W. Linville2005-10-041-2/+51
|/ | | | | | | | | | | | | | | Replicate IGMP frames across all slaves in activebackup mode. This ensures fail-over is rapid for multicast traffic as well. Otherwise, multicast traffic will be lost until the next IGMP membership report poll timeout. This is conceptually similar to the treatment of IGMP traffic in bond_alb_xmit. In that case, IGMP traffic transmitted on any slave is re-routed to the active slave in order to ensure that multicast traffic continues to be directed to the active receiver. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [PATCH] fix bonding crash, remove old ABI supportJay Vosburgh2005-10-042-213/+71
| | | | | | | | | | | | | | | David S. Miller <davem@davemloft.net> wrote: >I think removing support for older ifenslave binaries is >the least painful solution to this problem. This patch removes backwards compatibility for old ifenslave binaries (ifenslave prior to verison 1.0.0). I did not similarly modify ifenslave itself; with sysfs on the horizon, I don't see that as being worthwhile. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnlHerbert Xu2005-10-031-1/+1
| | | | | | | | | | | | | | | | | | The following patch renames __in_dev_get() to __in_dev_get_rtnl() and introduces __in_dev_get_rcu() to cover the second case. 1) RCU with refcnt should use in_dev_get(). 2) RCU without refcnt should use __in_dev_get_rcu(). 3) All others must hold RTNL and use __in_dev_get_rtnl(). There is one exception in net/ipv4/route.c which is in fact a pre-existing race condition. I've marked it as such so that we remember to fix it. This patch is based on suggestions and prior work by Suzanne Wood and Paul McKenney. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] bonding: Fix link monitor capability check (was skge: set mac ↵nsxfreddy@gmail.com2005-09-221-1/+2
| | | | | | | | | | | | address oops with bonding) Fix bond_enslave link monitoring warning to check use_carrier status and ethtool_ops in addition to do_ioctl. This version checks ethtool_ops as well as do_ioctl, and also uses the per-bond params.use_carrier instead of the global use_carrier. Signed-off-by: Jason R. Martin <nsxfreddy@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [BOND]: Fix bond_init() error path handling.Florin Malita2005-09-181-0/+8
| | | | | | | | | | | | | | From: Florin Malita <fmalita@gmail.com> bond_init() is not releasing rtnl_sem after register_netdevice() and before calling unregister_netdevice() (from bond_free_all()) in the exception path. As the device registration is not completed (dev->reg_state == NETREG_REGISTERING), the call to unregister_netdevice() triggers BUG_ON(dev->reg_state != NETREG_REGISTERED). Signed-off-by: Florin Malita <fmalita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] bonding: plug reference count leakJay Vosburgh2005-09-161-0/+3
| | | | | | | | | | | | Bonding leaks route structures when the ARP monitor is configured to send probes over VLANs. Originally reported by Ian Abel <ian.abel@mxtelecom.com>; his original fix was modified by Jay Vosburgh to correct coding style and to close a leak it missed. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* [NET]: Kill skb->real_devDavid S. Miller2005-08-303-11/+7
| | | | | | | | | | | Bonding just wants the device before the skb_bond() decapsulation occurs, so simply pass that original device into packet_type->func() as an argument. It remains to be seen whether we can use this same exact thing to get rid of skb->input_dev as well. Signed-off-by: David S. Miller <davem@davemloft.net>
* [PATCH] bonding: inherit zero-copy flags of slavesArthur Kepner2005-08-232-1/+60
| | | | | | | | | | | | | This change allows a bonding device to inherit the "zero-copy" features of its slave devices. It was inspired by a couple of previous postings on this topic: http://marc.theaimsgroup.com/?l=bonding-devel&m=111924607327794&w=2 http://marc.theaimsgroup.com/?l=bonding-devel&m=111925242706297&w=2 and it's largely a combination of the patches that appear in those emails. Signed-off-by: Arthur Kepner <akepner@sgi.com>
* [PATCH] bonding: ALB -- allow slave to use bond's MAC address if its own MAC ↵John W. Linville2005-07-311-11/+6
| | | | | | | | | | | address conflicts In ALB mode, allow new slave to use bond's MAC address if the new slave's MAC address is being used within the bond and no other slave is using the bond's MAC address. Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
* bonding: xor/802.3ad improved slave hashJay Vosburgh2005-06-263-13/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for alternate slave selection algorithms to bonding balance-xor and 802.3ad modes. Default mode (what we have now: xor of MAC addresses) is "layer2", new choice is "layer3+4", using IP and port information for hashing to select peer. Originally submitted by Jason Gabler for balance-xor mode; modified by Jay Vosburgh to additionally support 802.3ad mode. Jason's original comment is as follows: The attached patch to the Linux Etherchannel Bonding driver modifies the driver's "balance-xor" mode as follows: - alternate hashing policy support for mode 2 * Added kernel parameter "xmit_policy" to allow the specification of different hashing policies for mode 2. The original mode 2 policy is the default, now found in xmit_hash_policy_layer2(). * Added xmit_hash_policy_layer34() This patch was inspired by hashing policies implemented by Cisco, Foundry and IBM, which are explained in Foundry documentation found at: http://www.foundrynet.com/services/documentation/sribcg/Trunking.html#112750 Signed-off-by: Jason Gabler <jygabler@lbl.gov> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
* bonding: gratuitous ARPJay Vosburgh2005-06-262-34/+255
| | | | | | | | Add support for generating gratuitous ARPs in bonding active-backup mode when failovers occur. Includes support for VLAN tagging the ARPs as needed. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
* [BONDING]: bonding using arp_ip_target may stay down with active path Jay Vosburgh2005-05-261-1/+1
| | | | | | | Correcting the list traversal makes the problem go away. Signed-off-by: Jay Vosburgh <fubar@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Linux-2.6.12-rc2v2.6.12-rc2Linus Torvalds2005-04-177-0/+9556
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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