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Date: Fri, 14 Sep 2007 16:40:19 -0700 From: Jay Vosburgh <fubar@...ibm.com> To: netdev@...r.kernel.org, rdreier@...co.com, monis@...taire.com Cc: monisonlists@...il.com, ogerlitz@...taire.com, jgarzik@...ox.com, davem@...emloft.net, general@...ts.openfabrics.org, Jay Vosburgh <fubar@...ibm.com> Subject: [PATCH 00/11] IPoIB support for bonding Following is patch set to provide IPoIB support for bonding in active-backup mode. Patches 1 - 10 were originally posted by Moni Shoua <monis@...taire.com>. The changes look reasonable to me, but others (for IB and net/core changes) probably need to ack. Patch 11 modifies the IB "don't copy MAC to all slaves" code in bonding to also be optional for ethernet devices; this is occasionally useful. Original preface for patches 1 - 10 from Moni Shoua <monis@...taire.com>: This patch series is the fourth version (see below link to V3) of the suggested changes to the bonding driver so it would be able to support non ARPHRD_ETHER netdevices for its High-Availability (active-backup) mode. The motivation is to enable the bonding driver on its HA mode to work with the IP over Infiniband (IPoIB) driver. With these patches I was able to enslave IPoIB netdevices and run TCP, UDP, IP (UDP) Multicast and ICMP traffic with fail-over and fail-back working fine. The working environment was the net-2.6 git. More over, as IPoIB is also the IB ARP provider for the RDMA CM driver which is used by native IB ULPs whose addressing scheme is based on IP (e.g. iSER, SDP, Lustre, NFSoRDMA, RDS), bonding support for IPoIB devices **enables** HA for these ULPs. This holds as when the ULP is informed by the IB HW on the failure of the current IB connection, it just need to reconnect, where the bonding device will now issue the IB ARP over the active IPoIB slave. This series also includes patches to the IPoIB driver that fix some fix some neighboring related issues. Major changes from the previous version: 1) Addressing the issue of safety when unloading the IPoIB module before the bonding module 2) style changes Links to earlier discussion: 1. A discussion in netdev about bonding support for IPoIB. http://lists.openwall.net/netdev/2006/11/30/46 2. A discussion in openfabrics regarding changes in the IPoIB that enable using it as a slave for bonding. http://lists.openfabrics.org/pipermail/general/2007-July/038914.html - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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