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Diffstat (limited to 'drivers/infiniband/ulp')
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c26
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.h1
2 files changed, 15 insertions, 12 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index ef73a38bcb6b..ef47ff66f8df 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -788,8 +788,10 @@ isert_disconnect_work(struct work_struct *work)
return;
}
- /* Send DREQ/DREP towards our initiator */
- rdma_disconnect(isert_conn->conn_cm_id);
+ if (isert_conn->disconnect) {
+ /* Send DREQ/DREP towards our initiator */
+ rdma_disconnect(isert_conn->conn_cm_id);
+ }
mutex_unlock(&isert_conn->conn_mutex);
@@ -799,10 +801,11 @@ wake_up:
}
static void
-isert_disconnected_handler(struct rdma_cm_id *cma_id)
+isert_disconnected_handler(struct rdma_cm_id *cma_id, bool disconnect)
{
struct isert_conn *isert_conn = (struct isert_conn *)cma_id->context;
+ isert_conn->disconnect = disconnect;
INIT_WORK(&isert_conn->conn_logout_work, isert_disconnect_work);
schedule_work(&isert_conn->conn_logout_work);
}
@@ -811,29 +814,28 @@ static int
isert_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *event)
{
int ret = 0;
+ bool disconnect = false;
pr_debug("isert_cma_handler: event %d status %d conn %p id %p\n",
event->event, event->status, cma_id->context, cma_id);
switch (event->event) {
case RDMA_CM_EVENT_CONNECT_REQUEST:
- pr_debug("RDMA_CM_EVENT_CONNECT_REQUEST: >>>>>>>>>>>>>>>\n");
ret = isert_connect_request(cma_id, event);
break;
case RDMA_CM_EVENT_ESTABLISHED:
- pr_debug("RDMA_CM_EVENT_ESTABLISHED >>>>>>>>>>>>>>\n");
isert_connected_handler(cma_id);
break;
- case RDMA_CM_EVENT_DISCONNECTED:
- pr_debug("RDMA_CM_EVENT_DISCONNECTED: >>>>>>>>>>>>>>\n");
- isert_disconnected_handler(cma_id);
- break;
- case RDMA_CM_EVENT_DEVICE_REMOVAL:
- case RDMA_CM_EVENT_ADDR_CHANGE:
+ case RDMA_CM_EVENT_ADDR_CHANGE: /* FALLTHRU */
+ case RDMA_CM_EVENT_DISCONNECTED: /* FALLTHRU */
+ case RDMA_CM_EVENT_DEVICE_REMOVAL: /* FALLTHRU */
+ disconnect = true;
+ case RDMA_CM_EVENT_TIMEWAIT_EXIT: /* FALLTHRU */
+ isert_disconnected_handler(cma_id, disconnect);
break;
case RDMA_CM_EVENT_CONNECT_ERROR:
default:
- pr_err("Unknown RDMA CMA event: %d\n", event->event);
+ pr_err("Unhandled RDMA CMA event: %d\n", event->event);
break;
}
diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h
index a2e926452f76..04f51f7bf614 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.h
+++ b/drivers/infiniband/ulp/isert/ib_isert.h
@@ -150,6 +150,7 @@ struct isert_conn {
#define ISERT_COMP_BATCH_COUNT 8
int conn_comp_batch;
struct llist_head conn_comp_llist;
+ bool disconnect;
};
#define ISERT_MAX_CQ 64