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IB/iser: Add support for RDMA_CM_EVENT_ADDR_CHANGE event 

Enhance iser to act upon notification on network stack changes that
make its RDMA connection unaligned with the link used by the stack for
the <src,dst> IPs used to establish the connection.

When RDMA_CM_EVENT_ADDR_CHANGE arrives, just disconnect the
connection, assuming that the user space iscsid daemon will reconnect,
and the new connection will be aligned with the IP stack.

Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
This commit is contained in:
Or Gerlitz 2008-07-22 14:16:21 -07:00 committed by Roland Dreier
parent 38ca83a588
commit 2f5de15128
1 changed files with 1 additions and 0 deletions
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1
drivers/infiniband/ulp/iser/iser_verbs.c
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@ -483,6 +483,7 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve
break;
case RDMA_CM_EVENT_DISCONNECTED:
case RDMA_CM_EVENT_DEVICE_REMOVAL:
case RDMA_CM_EVENT_ADDR_CHANGE:
iser_disconnected_handler(cma_id);
break;
default: