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isert-scst: Add support for handling RDMA_CV_EVENT_ADDR_CHANGE

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Re-create the portal RDMA CM ID if the address of that port changes.

Signed-off-by: Chesnokov Gleb <Chesnokov.G@raidix.com>
[ bvanassche: edited patch description ]


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@9483 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2021-07-12 03:11:18 +00:00
parent c67a1535dc
commit 7517bd6b22
1 changed files with 8 additions and 0 deletions
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8
iscsi-scst/kernel/isert-scst/iser_rdma.c
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@@ -1660,6 +1660,14 @@ static int isert_cm_evt_listener_handler(struct rdma_cm_id *cm_id,
case RDMA_CM_EVENT_DEVICE_REMOVAL:
portal->cm_id = NULL;
break;
case RDMA_CM_EVENT_ADDR_CHANGE:
portal->cm_id = isert_setup_id(portal);
if (IS_ERR(portal->cm_id)) {
PRINT_ERROR("Failed to create rdma id, err:%ld\n",
PTR_ERR(portal->cm_id));
portal->cm_id = NULL;
}
break;
default:
PRINT_INFO("Listener event:%s(%d), ignored",
rdma_event_msg(event), event);