2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2006-01-18 17:42:59 -08:00
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2007-07-21 19:11:35 -07:00
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2005-04-16 15:20:36 -07:00
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2006-09-25 23:11:21 -07:00
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2005-07-27 13:04:35 -07:00
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2006-01-08 22:34:25 -08:00
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2006-11-30 05:22:59 +01:00
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2006-01-08 22:34:25 -08:00
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2005-04-16 15:20:36 -07:00
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bonding: send IPv6 neighbor advertisement on failover
This patch adds better IPv6 failover support for bonding devices,
especially when in active-backup mode and there are only IPv6 addresses
configured, as reported by Alex Sidorenko.
- Creates a new file, net/drivers/bonding/bond_ipv6.c, for the
IPv6-specific routines. Both regular bonds and VLANs over bonds
are supported.
- Adds a new tunable, num_unsol_na, to limit the number of unsolicited
IPv6 Neighbor Advertisements that are sent on a failover event.
Default is 1.
- Creates two new IPv6 neighbor discovery functions:
ndisc_build_skb()
ndisc_send_skb()
These were required to support VLANs since we have to be able to
add the VLAN id to the skb since ndisc_send_na() and friends
shouldn't be asked to do this. These two routines are basically
__ndisc_send() split into two pieces, in a slightly different order.
- Updates Documentation/networking/bonding.txt and bumps the rev of bond
support to 3.4.0.
On failover, this new code will generate one packet:
- An unsolicited IPv6 Neighbor Advertisement, which helps the switch
learn that the address has moved to the new slave.
Testing has shown that sending just the NA results in pretty good
behavior when in active-back mode, I saw no lost ping packets for example.
Signed-off-by: Brian Haley <brian.haley@hp.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-11-04 17:51:14 -08:00
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2005-04-16 15:20:36 -07:00
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2006-02-12 11:53:04 -06:00
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2005-04-16 15:20:36 -07:00
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2007-07-14 18:55:06 -07:00
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2008-02-26 17:52:05 -08:00
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2007-07-14 18:55:06 -07:00
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2010-01-30 12:24:26 +00:00
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2005-04-16 15:20:36 -07:00
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2007-09-25 16:14:46 -07:00
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2007-11-06 20:35:55 -08:00
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2007-09-25 16:14:46 -07:00
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2007-11-06 20:35:55 -08:00
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2007-09-25 16:14:46 -07:00
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2005-04-16 15:20:36 -07:00
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2005-07-27 13:04:35 -07:00
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2005-04-16 15:20:36 -07:00
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2006-01-05 22:45:41 -08:00
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2005-04-16 15:20:36 -07:00
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2005-07-30 19:31:23 -04:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2006-11-09 14:51:17 +01:00
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2009-06-26 15:36:58 +01:00
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2007-07-12 19:07:24 +02:00
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2006-11-09 14:51:17 +01:00
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2005-04-16 15:20:36 -07:00
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2007-07-03 16:53:09 +01:00
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2007-11-08 16:31:05 +09:00
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2007-07-03 16:53:09 +01:00
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2007-09-28 22:42:16 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-05-01 22:33:01 +02:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2005-08-25 06:24:56 +01:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2006-11-18 10:05:16 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-28 00:49:06 +02:00
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2008-03-19 17:14:51 +01:00
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2008-04-28 12:48:40 +01:00
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2008-03-19 17:14:51 +01:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2008-05-05 23:36:35 -07:00
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2005-04-16 15:20:36 -07:00
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2010-04-06 22:08:53 +00:00
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2010-07-15 21:45:04 +02:00
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2006-06-01 09:41:04 +02:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2005-10-10 14:51:27 +01:00
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2007-03-18 23:21:22 +00:00
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2007-06-13 12:48:53 -07:00
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2005-10-10 14:51:27 +01:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2008-06-09 16:33:56 -07:00
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2009-05-24 23:54:30 +00:00
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2010-07-05 18:32:50 +00:00
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2008-06-09 16:33:56 -07:00
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2010-07-05 18:32:50 +00:00
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2008-06-09 16:33:56 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2005-09-27 15:24:13 -07:00
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2007-06-13 12:48:53 -07:00
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2005-09-27 15:24:13 -07:00
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2007-07-09 22:23:51 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2005-05-04 05:39:42 +01:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2005-05-04 05:39:42 +01:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2006-02-12 11:53:04 -06:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-07-17 14:43:44 +08:00
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2008-08-27 11:47:57 +08:00
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2009-01-08 10:52:26 -08:00
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2007-07-17 14:43:44 +08:00
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2007-09-19 23:37:41 +08:00
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2007-07-17 14:43:44 +08:00
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2008-08-27 11:47:57 +08:00
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2007-07-17 14:43:44 +08:00
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2008-01-30 16:52:25 +08:00
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2007-07-17 14:43:44 +08:00
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2007-10-20 01:34:40 +02:00
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2007-07-17 14:43:44 +08:00
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2010-02-15 14:32:50 +00:00
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2008-01-30 16:52:25 +08:00
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2007-07-17 14:43:44 +08:00
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2010-05-17 17:19:40 -07:00
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2007-06-13 12:48:53 -07:00
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2007-11-12 21:03:58 -08:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2010-07-16 02:29:02 +00:00
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2010-03-10 07:37:06 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2010-08-13 21:22:49 +00:00
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2006-06-22 07:11:13 +02:00
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2007-06-13 12:48:53 -07:00
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2006-06-22 07:11:13 +02:00
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2007-11-12 21:03:58 -08:00
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2006-06-22 07:11:13 +02:00
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2009-05-18 15:19:01 -07:00
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2009-11-19 15:58:25 +05:30
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2009-05-18 15:19:01 -07:00
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2005-05-05 15:14:15 -07:00
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2007-07-12 12:11:48 +08:00
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2005-05-05 15:14:15 -07:00
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2007-11-12 21:03:58 -08:00
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2005-05-05 15:14:15 -07:00
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2008-06-24 22:16:06 +01:00
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2008-06-24 22:16:04 +01:00
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2008-01-14 11:00:28 +01:00
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2008-02-05 03:13:58 -08:00
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2008-01-14 11:00:28 +01:00
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2009-03-27 00:12:24 -07:00
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2009-11-20 09:19:10 +00:00
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2009-03-27 00:12:24 -07:00
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2009-04-08 15:41:25 -07:00
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2009-03-27 00:12:24 -07:00
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2010-02-15 03:33:44 +00:00
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2010-02-18 23:32:26 -08:00
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2010-02-15 03:33:44 +00:00
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2006-04-19 20:24:51 -07:00
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2008-10-20 18:15:17 +01:00
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2006-04-19 20:24:51 -07:00
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2007-03-16 18:28:43 +05:00
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2006-04-19 20:24:51 -07:00
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2008-11-05 00:35:37 +00:00
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2009-10-13 07:25:48 +00:00
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2008-11-05 00:35:37 +00:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2005-05-04 05:39:42 +01:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2009-03-11 23:26:02 -07:00
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2009-03-21 16:58:47 -07:00
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2009-03-11 23:26:02 -07:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2006-02-12 11:53:04 -06:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2008-08-08 00:55:17 +09:00
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2005-04-16 15:20:36 -07:00
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2006-03-08 00:06:31 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2005-05-04 05:39:42 +01:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2008-01-30 22:02:35 +02:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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Device tree aware EMAC driver
Based on BenH's earlier work, this is a new version of the EMAC driver
for the built-in ethernet found on PowerPC 4xx embedded CPUs. The
same ASIC is also found in the Axon bridge chip. This new version is
designed to work in the arch/powerpc tree, using the device tree to
probe the device, rather than the old and ugly arch/ppc OCP layer.
This driver is designed to sit alongside the old driver (that lies in
drivers/net/ibm_emac and this one in drivers/net/ibm_newemac). The
old driver is left in place to support arch/ppc until arch/ppc itself
reaches its final demise (not too long now, with luck).
This driver still has a number of things that could do with cleaning
up, but I think they can be fixed up after merging. Specifically:
- Should be adjusted to properly use the dma mapping API.
Axon needs this.
- Probe logic needs reworking, in conjuction with the general
probing code for of_platform devices. The dependencies here between
EMAC, MAL, ZMII etc. make this complicated. At present, it usually
works, because we initialize and register the sub-drivers before the
EMAC driver itself, and (being in driver code) runs after the devices
themselves have been instantiated from the device tree.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-08-23 13:56:01 +10:00
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2007-06-13 12:48:53 -07:00
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2007-11-12 21:03:58 -08:00
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2007-11-12 21:03:58 -08:00
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2010-02-08 11:38:28 +00:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-09-19 14:20:30 -07:00
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2008-05-21 06:32:11 +01:00
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2007-09-19 14:20:30 -07:00
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2007-09-19 14:20:30 -07:00
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2007-11-12 21:03:58 -08:00
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2007-09-19 14:20:30 -07:00
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2005-04-16 15:20:36 -07:00
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2006-03-08 00:06:30 -08:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2008-09-26 15:44:43 +01:00
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2010-07-19 04:37:11 +00:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2008-09-26 15:44:43 +01:00
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2010-07-19 04:37:11 +00:00
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2008-09-26 15:44:43 +01:00
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2005-04-16 15:20:36 -07:00
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2007-03-03 23:54:59 +09:00
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2008-04-12 00:47:46 +09:00
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2007-11-12 21:03:58 -08:00
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2007-11-12 21:03:58 -08:00
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2007-11-12 21:03:58 -08:00
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2007-11-12 21:03:58 -08:00
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2007-11-12 21:03:58 -08:00
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2005-05-16 21:13:03 +02:00
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2005-04-16 15:20:36 -07:00
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2005-05-16 21:13:03 +02:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:31:11 -08:00
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2009-01-08 15:04:50 +00:00
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2007-11-12 21:31:11 -08:00
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2010-05-31 09:18:57 +00:00
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2007-11-12 21:31:11 -08:00
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2005-04-16 15:20:36 -07:00
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2005-04-30 13:52:49 +02:00
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2005-04-16 15:20:36 -07:00
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2006-03-04 17:07:57 +01:00
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2005-04-16 15:20:36 -07:00
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2008-12-11 20:54:30 -08:00
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2005-04-16 15:20:36 -07:00
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2008-05-30 09:49:55 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2009-06-04 03:35:55 +00:00
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2010-07-13 10:09:19 -07:00
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2010-07-29 07:14:27 +00:00
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2009-06-04 03:35:55 +00:00
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2010-07-13 10:09:19 -07:00
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2009-06-04 03:35:55 +00:00
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2009-07-16 05:24:08 +00:00
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2009-07-22 01:16:51 +00:00
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2009-08-19 12:13:31 -07:00
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2009-07-16 05:24:08 +00:00
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2009-09-25 14:42:12 +00:00
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2009-10-14 15:10:58 -07:00
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2009-09-25 14:42:12 +00:00
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2005-04-16 15:20:36 -07:00
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2006-12-19 13:08:47 -08:00
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2007-10-14 18:10:13 +02:00
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2009-08-04 11:17:49 +00:00
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2007-10-14 18:10:13 +02:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2005-09-10 00:14:05 +10:00
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2005-04-16 15:20:36 -07:00
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2005-09-10 00:14:05 +10:00
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2005-04-16 15:20:36 -07:00
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2005-09-10 00:14:05 +10:00
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2005-04-16 15:20:36 -07:00
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2007-12-19 13:42:36 +01:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2009-05-27 03:41:39 +00:00
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2010-02-05 08:56:22 +00:00
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2010-03-31 02:10:44 +00:00
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2005-04-16 15:20:36 -07:00
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2009-01-28 23:03:10 +00:00
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2005-09-12 11:18:10 +10:00
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2005-04-16 15:20:36 -07:00
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2007-10-26 18:07:49 +02:00
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2008-11-14 05:19:00 -07:00
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2007-10-26 18:07:49 +02:00
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2008-11-14 05:19:00 -07:00
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2007-10-26 18:07:49 +02:00
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2009-06-05 00:44:53 +02:00
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2007-10-26 18:07:49 +02:00
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2009-06-05 00:44:53 +02:00
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2007-10-26 18:07:49 +02:00
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2005-04-16 15:20:36 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2008-09-14 19:56:10 -05:00
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2009-08-20 02:52:16 -07:00
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2010-02-15 21:51:00 -08:00
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2009-08-20 02:52:16 -07:00
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2009-08-18 13:23:40 +01:00
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2005-10-28 16:25:58 -04:00
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2005-04-16 15:20:36 -07:00
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2009-10-14 12:04:41 -07:00
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2007-06-13 12:48:53 -07:00
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2005-04-16 15:20:36 -07:00
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2007-05-10 22:52:56 -07:00
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2005-07-27 13:04:35 -07:00
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2007-05-10 22:52:56 -07:00
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2007-08-18 12:56:21 +02:00
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2007-05-10 22:52:56 -07:00
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2005-04-16 15:20:36 -07:00
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2007-08-13 09:45:41 +09:00
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2005-04-16 15:20:36 -07:00
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2007-08-13 09:45:41 +09:00
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2005-04-16 15:20:36 -07:00
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2007-08-13 09:45:41 +09:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2007-09-17 12:30:59 -07:00
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2008-04-27 06:15:42 +01:00
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2007-09-17 12:30:59 -07:00
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2007-11-12 21:03:58 -08:00
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2007-09-17 12:30:59 -07:00
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2008-01-01 09:27:58 -08:00
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2008-01-24 02:22:38 -08:00
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2008-11-20 00:46:57 -08:00
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2008-01-24 02:22:38 -08:00
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2008-11-20 00:46:57 -08:00
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2008-01-24 02:22:38 -08:00
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2008-02-05 03:13:58 -08:00
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2008-01-24 02:22:38 -08:00
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2008-10-17 11:08:31 -07:00
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2008-11-02 20:30:33 -08:00
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2008-10-17 11:08:31 -07:00
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2008-11-02 20:30:33 -08:00
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2008-10-17 11:08:31 -07:00
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2009-04-07 14:37:34 +00:00
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[PATCH] intel ixp2000 network driver
The way the hardware and firmware work is that there is one shared RX
queue and IRQ for a number of different network interfaces. Due to this,
we would like to process received packets for every interface in the same
NAPI poll handler, so we need a pseudo-device to schedule polling on.
What the driver currently does is that it always schedules polling for
the first network interface in the list, and processes packets for every
interface in the poll handler for that first interface -- however, this
scheme breaks down if the first network interface happens to not be up,
since netif_rx_schedule_prep() checks netif_running().
sky2 apparently has the same issue, and Stephen Hemminger suggested a
way to work around this: create a variant of netif_rx_schedule_prep()
that does not check netif_running(). I implemented this locally and
called it netif_rx_schedule_prep_notup(), and it seems to work well,
but it's something that probably not everyone would be happy with.
The ixp2000 is an ARM CPU with a high-speed network interface in the
CPU itself (full duplex 4Gb/s or 10Gb/s depending on the IXP model.)
The CPU package also contains 8 or 16 (again depending on the IXP
model) 'microengines', which are somewhat primitive but very fast
and efficient processor cores which can be used to offload various
things from the main CPU.
This driver makes the high-speed network interface in the CPU visible
and usable as a regular linux network device. Currently, it only
supports the Radisys ENP2611 IXP board, but adding support for other
board types should be fairly easy.
Signed-off-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
2005-11-11 18:23:13 +01:00
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2005-04-16 15:20:36 -07:00
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2006-02-12 11:53:04 -06:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2008-09-13 15:04:38 +02:00
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2005-04-16 15:20:36 -07:00
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2008-05-11 14:51:00 +02:00
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2005-04-16 15:20:36 -07:00
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2007-09-14 12:05:00 +01:00
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2007-09-14 11:57:33 +01:00
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2007-09-21 12:52:10 +01:00
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2007-09-14 11:57:33 +01:00
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2005-07-30 13:08:43 +02:00
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2005-09-03 00:57:51 +02:00
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2005-08-09 02:41:00 +02:00
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2005-09-03 00:57:51 +02:00
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2005-08-09 02:41:00 +02:00
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2005-07-30 13:08:43 +02:00
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2005-05-12 20:14:36 -04:00
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2006-02-13 15:48:08 -08:00
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2005-05-12 20:14:36 -04:00
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2005-09-09 12:54:56 -07:00
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2005-05-12 20:14:36 -04:00
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2007-09-15 19:35:14 -04:00
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2005-08-16 16:36:49 -07:00
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2006-01-21 19:35:34 +00:00
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2005-08-16 16:36:49 -07:00
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2007-10-16 12:15:54 -07:00
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2009-06-02 15:01:37 +09:00
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2007-10-16 12:15:54 -07:00
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2005-08-16 16:36:49 -07:00
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2007-07-09 15:33:38 -07:00
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2006-10-27 10:22:10 -07:00
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2005-08-16 16:36:49 -07:00
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2006-10-03 22:36:44 +02:00
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2006-01-21 19:35:34 +00:00
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2006-10-27 10:22:10 -07:00
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2005-08-16 16:36:49 -07:00
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2007-07-09 15:33:35 -07:00
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2009-06-02 15:01:37 +09:00
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2007-07-09 15:33:35 -07:00
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2005-04-16 15:20:36 -07:00
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2007-05-24 16:12:27 +09:00
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2005-04-16 15:20:36 -07:00
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2008-05-29 01:37:54 -07:00
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2005-04-16 15:20:36 -07:00
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2005-05-26 13:03:09 -07:00
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2006-06-12 22:21:25 -07:00
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2009-04-04 16:51:14 -07:00
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2005-05-26 13:03:09 -07:00
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2009-06-08 18:14:43 -07:00
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2009-06-10 13:35:28 -07:00
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2009-06-08 18:14:43 -07:00
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2005-09-05 15:19:29 -07:00
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2007-02-20 16:36:14 -06:00
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2006-03-15 11:30:44 +01:00
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2005-09-05 15:19:29 -07:00
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2006-11-08 19:49:13 -08:00
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2007-07-05 20:11:16 +09:00
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2008-04-10 07:01:53 +10:00
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2007-07-05 20:11:16 +09:00
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2008-02-07 19:58:57 +09:00
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2008-03-06 13:08:09 -05:00
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2009-12-18 11:19:32 -08:00
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2008-03-06 13:08:09 -05:00
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2008-02-07 19:58:57 +09:00
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2009-02-04 16:42:12 -08:00
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2005-04-16 15:20:36 -07:00
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2008-01-28 10:24:30 -06:00
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2009-02-04 16:42:12 -08:00
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2005-09-23 22:54:21 -04:00
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2007-04-12 10:57:06 -07:00
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2005-04-16 15:20:36 -07:00
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2006-06-17 17:52:55 -05:00
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2005-04-16 15:20:36 -07:00
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2006-08-14 23:00:11 -07:00
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2007-03-12 15:40:27 -05:00
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2009-02-04 16:42:12 -08:00
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2007-06-01 00:46:29 -07:00
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2006-08-14 23:00:11 -07:00
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2007-03-12 15:40:27 -05:00
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2006-08-14 23:00:11 -07:00
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2007-04-13 01:26:19 -05:00
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2006-08-14 23:00:11 -07:00
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2005-04-16 15:20:36 -07:00
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2007-10-19 04:11:03 +02:00
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2009-05-25 22:46:19 -07:00
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2009-02-24 15:41:32 +00:00
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2008-08-26 13:34:19 +02:00
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2005-04-16 15:20:36 -07:00
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2007-10-19 04:11:03 +02:00
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2005-04-16 15:20:36 -07:00
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2009-04-25 12:53:39 +00:00
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2010-04-08 07:08:02 +00:00
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2009-04-25 12:53:39 +00:00
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2006-07-25 00:40:21 -07:00
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2007-02-08 10:42:37 -05:00
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2008-09-27 04:17:22 +00:00
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2007-02-08 10:42:37 -05:00
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2008-09-27 04:17:22 +00:00
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2007-02-08 10:42:37 -05:00
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2008-07-18 11:37:13 +08:00
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2009-02-18 17:24:15 -08:00
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2008-09-16 01:00:11 +08:00
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2009-06-10 12:58:48 -07:00
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2009-10-14 15:13:45 -07:00
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2007-05-10 22:52:56 -07:00
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2005-04-16 15:20:36 -07:00
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2007-05-10 22:52:56 -07:00
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2005-07-27 13:04:35 -07:00
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2007-05-10 22:52:56 -07:00
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2007-08-18 12:56:21 +02:00
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2007-05-10 22:52:56 -07:00
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2005-04-16 15:20:36 -07:00
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2009-04-29 08:04:46 +00:00
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2005-03-30 13:34:31 -08:00
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2006-12-01 16:36:19 -08:00
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2009-04-29 08:06:34 +00:00
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2005-03-30 13:34:31 -08:00
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2006-12-01 16:36:16 -08:00
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2005-03-30 13:34:31 -08:00
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2006-12-01 16:36:17 -08:00
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2008-12-30 10:20:24 -06:00
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2007-01-18 22:04:14 -05:00
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2007-03-21 19:21:00 -07:00
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2008-12-30 10:20:24 -06:00
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2007-03-18 13:10:06 -07:00
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2009-04-29 08:07:20 +00:00
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2007-03-21 19:21:00 -07:00
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2007-01-18 22:04:14 -05:00
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2007-03-21 19:21:00 -07:00
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2007-01-18 22:04:14 -05:00
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2007-03-21 19:21:00 -07:00
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2007-01-18 22:04:14 -05:00
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2007-03-21 19:21:00 -07:00
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2007-01-18 22:04:14 -05:00
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2007-03-21 19:21:00 -07:00
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2007-01-18 22:04:14 -05:00
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2010-04-01 15:28:27 +00:00
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2010-06-25 12:15:33 +00:00
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2006-09-13 17:44:31 +02:00
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2008-06-04 08:31:28 +10:00
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2007-09-25 16:16:34 -07:00
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2006-09-13 17:44:31 +02:00
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2008-09-15 09:17:11 -07:00
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2010-03-18 16:20:04 +00:00
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2008-09-15 09:17:11 -07:00
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2010-03-18 16:20:04 +00:00
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2008-09-15 09:17:11 -07:00
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2007-09-15 14:07:45 -07:00
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2008-06-18 15:32:19 -07:00
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2009-04-29 08:08:58 +00:00
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2007-09-15 14:07:45 -07:00
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2007-11-12 21:03:58 -08:00
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2007-09-15 14:07:45 -07:00
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2008-10-16 05:09:31 -04:00
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2008-11-02 20:30:33 -08:00
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2008-10-16 05:09:31 -04:00
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2008-11-02 20:30:33 -08:00
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2008-10-16 05:09:31 -04:00
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2008-11-25 01:02:08 -08:00
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2008-11-20 20:52:10 -08:00
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2008-11-25 01:02:08 -08:00
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2008-11-20 20:52:10 -08:00
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2010-01-09 02:24:50 +00:00
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2005-04-16 15:20:36 -07:00
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2007-09-15 14:07:45 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2005-10-21 19:06:42 +09:00
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2005-04-16 15:20:36 -07:00
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2009-04-01 18:15:24 +00:00
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2006-05-23 06:10:15 -04:00
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2007-10-18 21:53:50 -07:00
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2006-05-23 06:10:15 -04:00
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2007-09-17 11:37:42 -07:00
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2006-05-23 06:10:15 -04:00
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2006-09-05 21:58:50 -04:00
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2006-05-23 06:10:15 -04:00
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2007-11-12 21:03:58 -08:00
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2006-05-23 06:10:15 -04:00
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2008-10-16 05:09:31 -04:00
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2008-11-02 20:30:33 -08:00
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2008-10-16 05:09:31 -04:00
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2008-11-02 20:30:33 -08:00
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2008-10-16 05:09:31 -04:00
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2006-10-21 15:33:03 -04:00
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2006-11-16 21:39:11 -08:00
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2010-06-23 11:49:42 -07:00
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2006-10-21 15:33:03 -04:00
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2007-10-09 01:54:01 -07:00
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2009-12-10 13:50:56 -08:00
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2007-10-09 01:54:01 -07:00
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2007-01-31 21:43:54 -06:00
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2008-03-28 12:17:33 +11:00
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2007-05-08 00:47:54 -05:00
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2007-11-28 20:57:27 -06:00
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2007-01-31 21:43:54 -06:00
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2008-10-22 15:47:49 -07:00
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2007-05-08 18:00:38 -07:00
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2007-05-10 12:50:28 +09:00
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2007-05-08 18:00:38 -07:00
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2007-09-17 18:50:36 -07:00
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2007-11-15 20:09:02 +02:00
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2009-04-27 03:27:43 -07:00
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2007-12-13 16:02:59 -08:00
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2008-06-23 20:33:01 -07:00
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2009-08-12 08:23:08 +00:00
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2007-11-15 20:09:02 +02:00
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2010-01-13 00:37:26 +00:00
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2010-06-23 11:49:42 -07:00
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2010-01-13 00:37:26 +00:00
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2008-09-18 11:56:28 -04:00
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2008-04-27 12:55:59 +01:00
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2007-11-15 20:09:02 +02:00
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2009-03-11 23:32:03 -07:00
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2007-05-10 22:52:56 -07:00
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2005-04-16 15:20:36 -07:00
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2008-12-23 16:18:48 -08:00
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2007-05-09 21:31:55 -04:00
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2005-04-16 15:20:36 -07:00
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2009-06-08 12:18:51 +00:00
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2005-04-16 15:20:36 -07:00
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2010-03-30 13:56:30 +00:00
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2007-07-17 18:37:06 -07:00
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2005-04-16 15:20:36 -07:00
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2005-07-27 13:04:35 -07:00
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2005-04-16 15:20:36 -07:00
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2005-09-09 12:10:10 -07:00
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2006-11-01 21:18:58 -08:00
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2005-09-09 12:10:10 -07:00
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2005-04-16 15:20:36 -07:00
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2008-12-27 20:43:48 -08:00
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2007-02-05 16:28:27 -08:00
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2005-04-16 15:20:36 -07:00
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2007-02-05 16:28:27 -08:00
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2005-04-16 15:20:36 -07:00
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2006-12-19 13:09:08 -08:00
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2005-04-16 15:20:36 -07:00
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2005-07-27 13:04:35 -07:00
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2005-04-16 15:20:36 -07:00
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2005-07-27 13:04:35 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2006-07-14 12:15:40 +01:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2006-02-12 11:53:04 -06:00
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2005-04-16 15:20:36 -07:00
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2005-11-08 09:40:47 -08:00
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2006-10-25 16:49:36 +10:00
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2005-11-08 09:40:47 -08:00
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2005-04-16 15:20:36 -07:00
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2007-06-27 15:49:24 -07:00
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2010-04-02 06:18:33 +00:00
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2007-06-27 15:49:24 -07:00
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2005-04-16 15:20:36 -07:00
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2007-11-12 21:03:58 -08:00
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2005-04-16 15:20:36 -07:00
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2006-07-14 12:15:40 +01:00
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2005-04-16 15:20:36 -07:00
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2006-07-14 12:15:40 +01:00
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2005-04-16 15:20:36 -07:00
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2005-07-27 13:04:35 -07:00
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2005-04-16 15:20:36 -07:00
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2010-03-21 23:59:23 +00:00
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2005-04-16 15:20:36 -07:00
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[NET] netconsole: Support dynamic reconfiguration using configfs
Based upon initial work by Keiichi Kii <k-keiichi@bx.jp.nec.com>.
This patch introduces support for dynamic reconfiguration (adding, removing
and/or modifying parameters of netconsole targets at runtime) using a
userspace interface exported via configfs. Documentation is also updated
accordingly.
Issues and brief design overview:
(1) Kernel-initiated creation / destruction of kernel objects is not
possible with configfs -- the lifetimes of the "config items" is managed
exclusively from userspace. But netconsole must support boot/module
params too, and these are parsed in kernel and hence netpolls must be
setup from the kernel. Joel Becker suggested to separately manage the
lifetimes of the two kinds of netconsole_target objects -- those created
via configfs mkdir(2) from userspace and those specified from the
boot/module option string. This adds complexity and some redundancy here
and also means that boot/module param-created targets are not exposed
through the configfs namespace (and hence cannot be updated / destroyed
dynamically). However, this saves us from locking / refcounting
complexities that would need to be introduced in configfs to support
kernel-initiated item creation / destroy there.
(2) In configfs, item creation takes place in the call chain of the
mkdir(2) syscall in the driver subsystem. If we used an ioctl(2) to
create / destroy objects from userspace, the special userspace program is
able to fill out the structure to be passed into the ioctl and hence
specify attributes such as local interface that are required at the time
we set up the netpoll. For configfs, this information is not available at
the time of mkdir(2). So, we keep all newly-created targets (via
configfs) disabled by default. The user is expected to set various
attributes appropriately (including the local network interface if
required) and then write(2) "1" to the "enabled" attribute. Thus,
netpoll_setup() is then called on the set parameters in the context of
_this_ write(2) on the "enabled" attribute itself. This design enables
the user to reconfigure existing netconsole targets at runtime to be
attached to newly-come-up interfaces that may not have existed when
netconsole was loaded or when the targets were actually created. All this
effectively enables us to get rid of custom ioctls.
(3) Ultra-paranoid configfs attribute show() and store() operations, with
sanity and input range checking, using only safe string primitives, and
compliant with the recommendations in Documentation/filesystems/sysfs.txt.
(4) A new function netpoll_print_options() is created in the netpoll API,
that just prints out the configured parameters for a netpoll structure.
netpoll_parse_options() is modified to use that and it is also exported to
be used from netconsole.
Signed-off-by: Satyam Sharma <satyam@infradead.org>
Acked-by: Keiichi Kii <k-keiichi@bx.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-08-10 15:35:05 -07:00
|
|
|
|
2010-03-21 23:59:23 +00:00
|
|
|
|
|
|
|
|
|
[NET] netconsole: Support dynamic reconfiguration using configfs
Based upon initial work by Keiichi Kii <k-keiichi@bx.jp.nec.com>.
This patch introduces support for dynamic reconfiguration (adding, removing
and/or modifying parameters of netconsole targets at runtime) using a
userspace interface exported via configfs. Documentation is also updated
accordingly.
Issues and brief design overview:
(1) Kernel-initiated creation / destruction of kernel objects is not
possible with configfs -- the lifetimes of the "config items" is managed
exclusively from userspace. But netconsole must support boot/module
params too, and these are parsed in kernel and hence netpolls must be
setup from the kernel. Joel Becker suggested to separately manage the
lifetimes of the two kinds of netconsole_target objects -- those created
via configfs mkdir(2) from userspace and those specified from the
boot/module option string. This adds complexity and some redundancy here
and also means that boot/module param-created targets are not exposed
through the configfs namespace (and hence cannot be updated / destroyed
dynamically). However, this saves us from locking / refcounting
complexities that would need to be introduced in configfs to support
kernel-initiated item creation / destroy there.
(2) In configfs, item creation takes place in the call chain of the
mkdir(2) syscall in the driver subsystem. If we used an ioctl(2) to
create / destroy objects from userspace, the special userspace program is
able to fill out the structure to be passed into the ioctl and hence
specify attributes such as local interface that are required at the time
we set up the netpoll. For configfs, this information is not available at
the time of mkdir(2). So, we keep all newly-created targets (via
configfs) disabled by default. The user is expected to set various
attributes appropriately (including the local network interface if
required) and then write(2) "1" to the "enabled" attribute. Thus,
netpoll_setup() is then called on the set parameters in the context of
_this_ write(2) on the "enabled" attribute itself. This design enables
the user to reconfigure existing netconsole targets at runtime to be
attached to newly-come-up interfaces that may not have existed when
netconsole was loaded or when the targets were actually created. All this
effectively enables us to get rid of custom ioctls.
(3) Ultra-paranoid configfs attribute show() and store() operations, with
sanity and input range checking, using only safe string primitives, and
compliant with the recommendations in Documentation/filesystems/sysfs.txt.
(4) A new function netpoll_print_options() is created in the netpoll API,
that just prints out the configured parameters for a netpoll structure.
netpoll_parse_options() is modified to use that and it is also exported to
be used from netconsole.
Signed-off-by: Satyam Sharma <satyam@infradead.org>
Acked-by: Keiichi Kii <k-keiichi@bx.jp.nec.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2007-08-10 15:35:05 -07:00
|
|
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|
2005-07-18 13:45:12 -07:00
|
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|
2007-10-22 11:03:37 +10:00
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|
2007-11-07 20:46:31 -06:00
|
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|
2007-10-22 11:03:37 +10:00
|
|
|
|
2009-10-13 00:15:51 -07:00
|
|
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|
2009-11-16 13:41:33 +00:00
|
|
|
|
2009-10-13 00:15:51 -07:00
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2007-06-13 12:48:53 -07:00
|
|
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