From: Jeff Garzik <jgarzik@pobox•com>
To: Jay Vosburgh <fubar@us•ibm.com>
Cc: netdev@vger•kernel.org
Subject: Re: [PATCH 8/8] bonding: Add "follow" option to fail_over_mac
Date: Thu, 22 May 2008 07:09:19 -0400 [thread overview]
Message-ID: <4835545F.1080206@pobox.com> (raw)
In-Reply-To: <12110838193155-git-send-email-fubar@us.ibm.com>
Jay Vosburgh wrote:
> Add a "follow" selection for fail_over_mac. This option
> causes the MAC address to move from slave to slave as the active
> slave changes. This is in addition to the existing fail_over_mac option
> that causes the bond's MAC address to change during failover.
>
> This new option is useful for devices that cannot tolerate
> multiple ports using the same MAC address simultaneously, either
> because it confuses them or incurs a performance penalty (as is the
> case with some LPAR-aware multiport devices). Because the MAC of the
> bond itself does not change, the "follow" option is slightly more
> reliable during failover and doesn't change the MAC of the bond during
> operation.
>
> This patch requires a previous ARP monitor change to properly
> handle RTNL during failovers.
>
> Signed-off-by: Jay Vosburgh <fubar@us•ibm.com>
> ---
> Documentation/networking/bonding.txt | 96 ++++++++++++------
> drivers/net/bonding/bond_main.c | 185 ++++++++++++++++++++++++++-------
> drivers/net/bonding/bond_sysfs.c | 36 +++----
> drivers/net/bonding/bonding.h | 4 +
> 4 files changed, 232 insertions(+), 89 deletions(-)
applied 1-8
next prev parent reply other threads:[~2008-05-22 11:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-05-18 4:10 [PATCH net-next-2.6 0/8] bonding: Fixes and updates Jay Vosburgh
[not found] ` <12110838151824-git-send-email-fubar@us.ibm.com>
2008-05-18 4:10 ` [PATCH 2/8] bonding: remove test for IP in ARP monitor Jay Vosburgh
2008-05-18 4:10 ` [PATCH 3/8] bonding: Remove redundant argument from bond_create Jay Vosburgh
2008-05-18 4:10 ` [PATCH 4/8] bonding: Relax unneeded _safe lists iterations Jay Vosburgh
2008-05-18 4:10 ` [PATCH 5/8] bonding: Remove unneeded list_empty checks Jay Vosburgh
2008-05-18 4:10 ` [PATCH 6/8] bonding: Send more than one gratuitous ARP when slave takes over Jay Vosburgh
2008-05-18 4:10 ` [PATCH 7/8] bonding: refactor ARP active-backup monitor Jay Vosburgh
2008-05-18 4:10 ` [PATCH 8/8] bonding: Add "follow" option to fail_over_mac Jay Vosburgh
2008-05-22 11:09 ` Jeff Garzik [this message]
2008-05-20 21:54 ` [PATCH 6/8] bonding: Send more than one gratuitous ARP when slave takes over Andrew Morton
2008-05-20 21:46 ` [PATCH 3/8] bonding: Remove redundant argument from bond_create Andrew Morton
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