kabi: net: reserve space for net rdma subsystem related structure

hulk inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I4HE7P?from=project-issue
CVE: NA

--------

Reserve some fields beforehand for net rdma framework related structures prone
to change.

---------
Signed-off-by: NWang Hai <wanghai38@huawei.com>
Reviewed-by: NWei Yongjun <weiyongjun1@huawei.com>
Reviewed-by: NYue Haibing <yuehaibing@huawei.com>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>

include/rdma/ib_addr.h

@@ -20,6 +20,7 @@
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_pack.h>
 #include <net/net_namespace.h>
+#include <linux/kabi.h>
 
 /**
  * struct rdma_dev_addr - Contains resolved RDMA hardware addresses
@@ -43,6 +44,8 @@ struct rdma_dev_addr {
 	const struct ib_gid_attr *sgid_attr;
 	enum rdma_network_type network;
 	int hoplimit;
+
+	KABI_RESERVE(1)
 };
 
 /**

include/rdma/rdma_cm.h

@@ -12,6 +12,7 @@
 #include <rdma/ib_addr.h>
 #include <rdma/ib_sa.h>
 #include <uapi/rdma/rdma_user_cm.h>
+#include <linux/kabi.h>
 
 /*
  * Upon receiving a device removal event, users must destroy the associated
@@ -67,6 +68,9 @@ struct rdma_conn_param {
 	u8 srq;
 	u32 qp_num;
 	u32 qkey;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 struct rdma_ud_param {
@@ -85,6 +89,8 @@ struct rdma_cm_event {
 		struct rdma_ud_param	ud;
 	} param;
 	struct rdma_ucm_ece ece;
+
+	KABI_RESERVE(1)
 };
 
 struct rdma_cm_id;
@@ -108,6 +114,8 @@ struct rdma_cm_id {
 	enum rdma_ucm_port_space ps;
 	enum ib_qp_type		 qp_type;
 	u8			 port_num;
+
+	KABI_RESERVE(1)
 };
 
 struct rdma_cm_id *

include/rdma/rdma_counter.h

@@ -11,6 +11,7 @@
 
 #include <rdma/restrack.h>
 #include <rdma/rdma_netlink.h>
+#include <linux/kabi.h>
 
 struct ib_device;
 struct ib_qp;
@@ -41,6 +42,8 @@ struct rdma_counter {
 	struct mutex			lock;
 	struct rdma_hw_stats		*stats;
 	u8				port;
+
+	KABI_RESERVE(1)
 };
 
 void rdma_counter_init(struct ib_device *dev);

include/rdma/rdma_netlink.h

@@ -5,6 +5,7 @@
 
 #include <linux/netlink.h>
 #include <uapi/rdma/rdma_netlink.h>
+#include <linux/kabi.h>
 
 enum {
 	RDMA_NLDEV_ATTR_EMPTY_STRING = 1,
@@ -114,6 +115,9 @@ struct rdma_link_ops {
 	struct list_head list;
 	const char *type;
 	int (*newlink)(const char *ibdev_name, struct net_device *ndev);
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 void rdma_link_register(struct rdma_link_ops *ops);

include/rdma/rdma_vt.h

@@ -17,6 +17,7 @@
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_mad.h>
 #include <rdma/rdmavt_mr.h>
+#include <linux/kabi.h>
 
 #define RVT_MAX_PKEY_VALUES 16
 
@@ -105,6 +106,8 @@ struct rvt_ibport {
 	 */
 	struct trap_list trap_lists[RVT_MAX_TRAP_LISTS];
 	struct timer_list trap_timer;
+
+	KABI_RESERVE(1)
 };
 
 #define RVT_CQN_MAX 16 /* maximum length of cq name */
@@ -426,6 +429,9 @@ struct rvt_dev_info {
 
 	/* Memory Working Set Size */
 	struct rvt_wss *wss;
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
 };
 
 /**

include/rdma/rdmavt_qp.h

@@ -11,6 +11,7 @@
 #include <rdma/ib_verbs.h>
 #include <rdma/rdmavt_cq.h>
 #include <rdma/rvt-abi.h>
+#include <linux/kabi.h>
 /*
  * Atomic bit definitions for r_aflags.
  */
@@ -441,6 +442,10 @@ struct rvt_qp {
 
 	atomic_t local_ops_pending; /* number of fast_reg/local_inv reqs */
 
+
+	KABI_RESERVE(1)
+	KABI_RESERVE(2)
+
 	/*
 	 * This sge list MUST be last. Do not add anything below here.
 	 */