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path: root/drivers/infiniband/hw
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-rw-r--r--drivers/infiniband/hw/nes/nes_cm.c77
-rw-r--r--drivers/infiniband/hw/nes/nes_cm.h1
2 files changed, 50 insertions, 28 deletions
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 08fcd25f788c..ec04786b6069 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -978,6 +978,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
reset_entry);
{
struct nes_cm_node *loopback = cm_node->loopbackpartner;
+ enum nes_cm_node_state old_state;
if (NES_CM_STATE_FIN_WAIT1 <= cm_node->state) {
rem_ref_cm_node(cm_node->cm_core, cm_node);
} else {
@@ -989,11 +990,12 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
NES_CM_STATE_CLOSED;
WARN_ON(1);
} else {
- cm_node->state =
- NES_CM_STATE_CLOSED;
- rem_ref_cm_node(
- cm_node->cm_core,
- cm_node);
+ old_state = cm_node->state;
+ cm_node->state = NES_CM_STATE_LISTENER_DESTROYED;
+ if (old_state != NES_CM_STATE_MPAREQ_RCVD)
+ rem_ref_cm_node(
+ cm_node->cm_core,
+ cm_node);
}
} else {
struct nes_cm_event event;
@@ -1009,6 +1011,7 @@ static int mini_cm_dec_refcnt_listen(struct nes_cm_core *cm_core,
loopback->loc_port;
event.cm_info.cm_id = loopback->cm_id;
cm_event_connect_error(&event);
+ cm_node->state = NES_CM_STATE_LISTENER_DESTROYED;
loopback->state = NES_CM_STATE_CLOSED;
event.cm_node = cm_node;
@@ -2131,30 +2134,39 @@ static int mini_cm_reject(struct nes_cm_core *cm_core,
cm_node->state = NES_CM_STATE_CLOSED;
rem_ref_cm_node(cm_core, cm_node);
} else {
- ret = send_mpa_reject(cm_node);
- if (ret) {
- cm_node->state = NES_CM_STATE_CLOSED;
- err = send_reset(cm_node, NULL);
- if (err)
- WARN_ON(1);
- } else
- cm_id->add_ref(cm_id);
+ if (cm_node->state == NES_CM_STATE_LISTENER_DESTROYED) {
+ rem_ref_cm_node(cm_core, cm_node);
+ } else {
+ ret = send_mpa_reject(cm_node);
+ if (ret) {
+ cm_node->state = NES_CM_STATE_CLOSED;
+ err = send_reset(cm_node, NULL);
+ if (err)
+ WARN_ON(1);
+ } else
+ cm_id->add_ref(cm_id);
+ }
}
} else {
cm_node->cm_id = NULL;
- event.cm_node = loopback;
- event.cm_info.rem_addr = loopback->rem_addr;
- event.cm_info.loc_addr = loopback->loc_addr;
- event.cm_info.rem_port = loopback->rem_port;
- event.cm_info.loc_port = loopback->loc_port;
- event.cm_info.cm_id = loopback->cm_id;
- cm_event_mpa_reject(&event);
- rem_ref_cm_node(cm_core, cm_node);
- loopback->state = NES_CM_STATE_CLOSING;
+ if (cm_node->state == NES_CM_STATE_LISTENER_DESTROYED) {
+ rem_ref_cm_node(cm_core, cm_node);
+ rem_ref_cm_node(cm_core, loopback);
+ } else {
+ event.cm_node = loopback;
+ event.cm_info.rem_addr = loopback->rem_addr;
+ event.cm_info.loc_addr = loopback->loc_addr;
+ event.cm_info.rem_port = loopback->rem_port;
+ event.cm_info.loc_port = loopback->loc_port;
+ event.cm_info.cm_id = loopback->cm_id;
+ cm_event_mpa_reject(&event);
+ rem_ref_cm_node(cm_core, cm_node);
+ loopback->state = NES_CM_STATE_CLOSING;
- cm_id = loopback->cm_id;
- rem_ref_cm_node(cm_core, loopback);
- cm_id->rem_ref(cm_id);
+ cm_id = loopback->cm_id;
+ rem_ref_cm_node(cm_core, loopback);
+ cm_id->rem_ref(cm_id);
+ }
}
return ret;
@@ -2198,6 +2210,7 @@ static int mini_cm_close(struct nes_cm_core *cm_core, struct nes_cm_node *cm_nod
case NES_CM_STATE_UNKNOWN:
case NES_CM_STATE_INITED:
case NES_CM_STATE_CLOSED:
+ case NES_CM_STATE_LISTENER_DESTROYED:
ret = rem_ref_cm_node(cm_core, cm_node);
break;
case NES_CM_STATE_TSA:
@@ -2716,8 +2729,6 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
struct nes_pd *nespd;
u64 tagged_offset;
-
-
ibqp = nes_get_qp(cm_id->device, conn_param->qpn);
if (!ibqp)
return -EINVAL;
@@ -2733,6 +2744,13 @@ int nes_accept(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
"%s\n", cm_node, nesvnic, nesvnic->netdev,
nesvnic->netdev->name);
+ if (NES_CM_STATE_LISTENER_DESTROYED == cm_node->state) {
+ if (cm_node->loopbackpartner)
+ rem_ref_cm_node(cm_node->cm_core, cm_node->loopbackpartner);
+ rem_ref_cm_node(cm_node->cm_core, cm_node);
+ return -EINVAL;
+ }
+
/* associate the node with the QP */
nesqp->cm_node = (void *)cm_node;
cm_node->nesqp = nesqp;
@@ -3003,6 +3021,9 @@ int nes_connect(struct iw_cm_id *cm_id, struct iw_cm_conn_param *conn_param)
if (!nesdev)
return -EINVAL;
+ if (!(cm_id->local_addr.sin_port) || !(cm_id->remote_addr.sin_port))
+ return -EINVAL;
+
nes_debug(NES_DBG_CM, "QP%u, current IP = 0x%08X, Destination IP = "
"0x%08X:0x%04X, local = 0x%08X:0x%04X.\n", nesqp->hwqp.qp_id,
ntohl(nesvnic->local_ipaddr),
@@ -3375,7 +3396,7 @@ static void cm_event_connect_error(struct nes_cm_event *event)
nesqp->cm_id = NULL;
cm_id->provider_data = NULL;
cm_event.event = IW_CM_EVENT_CONNECT_REPLY;
- cm_event.status = IW_CM_EVENT_STATUS_REJECTED;
+ cm_event.status = -ECONNRESET;
cm_event.provider_data = cm_id->provider_data;
cm_event.local_addr = cm_id->local_addr;
cm_event.remote_addr = cm_id->remote_addr;
diff --git a/drivers/infiniband/hw/nes/nes_cm.h b/drivers/infiniband/hw/nes/nes_cm.h
index 911846ae5c7d..d9825fda70a1 100644
--- a/drivers/infiniband/hw/nes/nes_cm.h
+++ b/drivers/infiniband/hw/nes/nes_cm.h
@@ -200,6 +200,7 @@ enum nes_cm_node_state {
NES_CM_STATE_TIME_WAIT,
NES_CM_STATE_LAST_ACK,
NES_CM_STATE_CLOSING,
+ NES_CM_STATE_LISTENER_DESTROYED,
NES_CM_STATE_CLOSED
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 10:52:06 +0000