RDMA/ucma: Allow user space to pass AF_IB into resolve

Allow user space applications to call resolve_addr using AF_IB.  To
support sockaddr_ib, we need to define a new structure capable of
handling the larger address size.

Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

1 files changed, 12 insertions, 1 deletions

diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h
index 895a427bfc91..6d03f9c16f1e 100644
--- a/include/uapi/rdma/rdma_user_cm.h
+++ b/include/uapi/rdma/rdma_user_cm.h
@@ -63,7 +63,8 @@ enum {
         RDMA_USER_CM_CMD_LEAVE_MCAST,
         RDMA_USER_CM_CMD_MIGRATE_ID,
         RDMA_USER_CM_CMD_QUERY,
-        RDMA_USER_CM_CMD_BIND
+        RDMA_USER_CM_CMD_BIND,
+        RDMA_USER_CM_CMD_RESOLVE_ADDR
 };
 
 /*
@@ -117,6 +118,16 @@ struct rdma_ucm_resolve_ip {
         __u32 timeout_ms;
 };
 
+struct rdma_ucm_resolve_addr {
+        __u32 id;
+        __u32 timeout_ms;
+        __u16 src_size;
+        __u16 dst_size;
+        __u32 reserved;
+        struct sockaddr_storage src_addr;
+        struct sockaddr_storage dst_addr;
+};
+
 struct rdma_ucm_resolve_route {
         __u32 id;
         __u32 timeout_ms;