4 files changed, 36 insertions, 9 deletions

diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index 81b62307621d..c094e5012862 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -36,6 +36,22 @@
 #include <linux/socket.h>
 #include <rdma/ib_verbs.h>
 
+struct rdma_addr_client {
+        atomic_t refcount;
+        struct completion comp;
+};
+
+/**
+ * rdma_addr_register_client - Register an address client.
+ */
+void rdma_addr_register_client(struct rdma_addr_client *client);
+
+/**
+ * rdma_addr_unregister_client - Deregister an address client.
+ * @client: Client object to deregister.
+ */
+void rdma_addr_unregister_client(struct rdma_addr_client *client);
+
 struct rdma_dev_addr {
         unsigned char src_dev_addr[MAX_ADDR_LEN];
         unsigned char dst_dev_addr[MAX_ADDR_LEN];
@@ -52,6 +68,7 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr);
 /**
  * rdma_resolve_ip - Resolve source and destination IP addresses to
  *   RDMA hardware addresses.
+ * @client: Address client associated with request.
  * @src_addr: An optional source address to use in the resolution.  If a
  *   source address is not provided, a usable address will be returned via
  *   the callback.
@@ -64,7 +81,8 @@ int rdma_translate_ip(struct sockaddr *addr, struct rdma_dev_addr *dev_addr);
  *   or been canceled.  A status of 0 indicates success.
  * @context: User-specified context associated with the call.
  */
-int rdma_resolve_ip(struct sockaddr *src_addr, struct sockaddr *dst_addr,
+int rdma_resolve_ip(struct rdma_addr_client *client,
+                    struct sockaddr *src_addr, struct sockaddr *dst_addr,
                     struct rdma_dev_addr *addr, int timeout_ms,
                     void (*callback)(int status, struct sockaddr *src_addr,
                                      struct rdma_dev_addr *addr, void *context),
diff --git a/include/rdma/ib_cm.h b/include/rdma/ib_cm.h
index c9b4738be9d6..5c070176d9ab 100644
--- a/include/rdma/ib_cm.h
+++ b/include/rdma/ib_cm.h
@@ -60,6 +60,7 @@ enum ib_cm_state {
 };
 
 enum ib_cm_lap_state {
+        IB_CM_LAP_UNINIT,
         IB_CM_LAP_IDLE,
         IB_CM_LAP_SENT,
         IB_CM_LAP_RCVD,
@@ -443,13 +444,20 @@ int ib_send_cm_drep(struct ib_cm_id *cm_id,
                     u8 private_data_len);
 
 /**
- * ib_cm_establish - Forces a connection state to established.
+ * ib_cm_notify - Notifies the CM of an event reported to the consumer.
  * @cm_id: Connection identifier to transition to established.
+ * @event: Type of event.
  *
- * This routine should be invoked by users who receive messages on a
- * connected QP before an RTU has been received.
+ * This routine should be invoked by users to notify the CM of relevant
+ * communication events.  Events that should be reported to the CM and
+ * when to report them are:
+ *
+ * IB_EVENT_COMM_EST - Used when a message is received on a connected
+ *    QP before an RTU has been received.
+ * IB_EVENT_PATH_MIG - Notifies the CM that the connection has failed over
+ *   to the alternate path.
  */
-int ib_cm_establish(struct ib_cm_id *cm_id);
+int ib_cm_notify(struct ib_cm_id *cm_id, enum ib_event_type event);
 
 /**
  * ib_send_cm_rej - Sends a connection rejection message to the
diff --git a/include/rdma/ib_user_cm.h b/include/rdma/ib_user_cm.h
index 066c20b7cdfb..37650afb982c 100644
--- a/include/rdma/ib_user_cm.h
+++ b/include/rdma/ib_user_cm.h
@@ -38,7 +38,7 @@
 
 #include <rdma/ib_user_sa.h>
 
-#define IB_USER_CM_ABI_VERSION 4
+#define IB_USER_CM_ABI_VERSION 5
 
 enum {
         IB_USER_CM_CMD_CREATE_ID,
@@ -46,7 +46,7 @@ enum {
         IB_USER_CM_CMD_ATTR_ID,
 
         IB_USER_CM_CMD_LISTEN,
-        IB_USER_CM_CMD_ESTABLISH,
+        IB_USER_CM_CMD_NOTIFY,
 
         IB_USER_CM_CMD_SEND_REQ,
         IB_USER_CM_CMD_SEND_REP,
@@ -117,8 +117,9 @@ struct ib_ucm_listen {
         __u32 reserved;
 };
 
-struct ib_ucm_establish {
+struct ib_ucm_notify {
         __u32 id;
+        __u32 event;
 };
 
 struct ib_ucm_private_data {
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index db1b814b62cc..64a721fcbc1c 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -458,7 +458,7 @@ struct ib_uverbs_query_qp_resp {
         __u8  cur_qp_state;
         __u8  path_mtu;
         __u8  path_mig_state;
-        __u8  en_sqd_async_notify;
+        __u8  sq_draining;
         __u8  max_rd_atomic;
         __u8  max_dest_rd_atomic;
         __u8  min_rnr_timer;