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Ian Campbell 06c4648d46 arp_notify: allow drivers to explicitly request a notification event. 
Currently such notifications are only generated when the device comes up or the
address changes. However one use case for these notifications is to enable
faster network recovery after a virtual machine migration (by causing switches
to relearn their MAC tables). A migration appears to the network stack as a
temporary loss of carrier and therefore does not trigger either of the current
conditions. Rather than adding carrier up as a trigger (which can cause issues
when interfaces a flapping) simply add an interface which the driver can use
to explicitly trigger the notification.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Cc: stable@kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2010-05-31 00:27:44 -07:00
..
act_api.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
act_gact.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
act_ipt.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
act_mirred.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
act_nat.c tc: propogate errors from tcf_hash_create 2008-11-25 21:13:25 -08:00
act_pedit.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
act_police.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
act_simple.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
act_skbedit.c pkt_sched: skbedit add support for setting mark 2009-10-22 21:56:42 -07:00
cls_api.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2010-04-11 14:53:53 -07:00
cls_basic.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cls_cgroup.c cls_cgroup: Store classid in struct sock 2010-05-24 00:12:34 -07:00
cls_flow.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
cls_fw.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cls_route.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cls_rsvp.c [NET_SCHED]: Remove unnecessary includes 2007-07-10 22:16:41 -07:00
cls_rsvp.h net: Move && and || to end of previous line 2009-11-29 16:55:45 -08:00
cls_rsvp6.c [NET_SCHED]: Remove unnecessary includes 2007-07-10 22:16:41 -07:00
cls_tcindex.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
cls_u32.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
em_cmp.c net: em_cmp.c use unaligned access helpers 2008-09-22 19:20:51 -07:00
em_meta.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
em_nbyte.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
em_text.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
em_u32.c [PKT_SCHED]: annotate cls_u32 2008-03-17 22:46:46 -07:00
ematch.c net sched: printk message severity 2010-05-17 23:23:12 -07:00
Kconfig cgroups: net_cls as module 2010-03-23 13:06:14 -07:00
Makefile net_sched: add classful multiqueue dummy scheduler 2009-09-06 02:07:05 -07:00
sch_api.c net_sched: Fix qdisc_notify() 2010-05-23 23:11:07 -07:00
sch_atm.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_blackhole.c pkt_sched: Add qdisc->ops->peek() implementation. 2008-10-31 00:45:55 -07:00
sch_cbq.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_drr.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_dsmark.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_fifo.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_generic.c arp_notify: allow drivers to explicitly request a notification event. 2010-05-31 00:27:44 -07:00
sch_gred.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_hfsc.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sch_htb.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_ingress.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sch_mq.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sch_multiq.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sch_netem.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sch_prio.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sch_red.c net: Remove unnecessary returns from void function()s 2010-05-17 23:23:14 -07:00
sch_sfq.c net: Fix various endianness glitches 2010-04-20 19:06:52 -07:00
sch_tbf.c tbf: stop wanton destruction of children (v2) 2010-05-17 17:44:35 -07:00
sch_teql.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00