diff --git a/drivers/infiniband/core/core_priv.h b/drivers/infiniband/core/core_priv.h
index 68e3de0..2c35162 100644
--- a/drivers/infiniband/core/core_priv.h
+++ b/drivers/infiniband/core/core_priv.h
@@ -37,6 +37,8 @@
 #include <linux/spinlock.h>
 
 #include <rdma/ib_verbs.h>
+#include <rdma/ib_mad.h>
+#include "mad_priv.h"
 
 struct pkey_index_qp_list {
 	struct list_head    pkey_index_list;
@@ -166,6 +168,11 @@ int ib_get_cached_subnet_prefix(struct ib_device *device,
 				u64              *sn_pfx);
 
 #ifdef CONFIG_SECURITY_INFINIBAND
+int ib_security_pkey_access(struct ib_device *dev,
+			    u8 port_num,
+			    u16 pkey_index,
+			    void *sec);
+
 void ib_security_destroy_port_pkey_list(struct ib_device *device);
 
 void ib_security_cache_change(struct ib_device *device,
@@ -183,7 +190,19 @@ int ib_security_modify_qp(struct ib_qp *qp,
 void ib_destroy_qp_security_end(struct ib_qp_security *sec);
 int ib_open_shared_qp_security(struct ib_qp *qp, struct ib_device *dev);
 void ib_close_shared_qp_security(struct ib_qp_security *sec);
+int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
+				enum ib_qp_type qp_type);
+void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent);
+int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index);
 #else
+static inline int ib_security_pkey_access(struct ib_device *dev,
+					  u8 port_num,
+					  u16 pkey_index,
+					  void *sec)
+{
+	return 0;
+}
+
 static inline void ib_security_destroy_port_pkey_list(struct ib_device *device)
 {
 }
@@ -232,5 +251,21 @@ static inline int ib_open_shared_qp_security(struct ib_qp *qp,
 static inline void ib_close_shared_qp_security(struct ib_qp_security *sec)
 {
 }
+
+static inline int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
+					      enum ib_qp_type qp_type)
+{
+	return 0;
+}
+
+static inline void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
+{
+}
+
+static inline int ib_mad_enforce_security(struct ib_mad_agent_private *map,
+					  u16 pkey_index)
+{
+	return 0;
+}
 #endif
 #endif /* _CORE_PRIV_H */
diff --git a/drivers/infiniband/core/mad.c b/drivers/infiniband/core/mad.c
index 40cbd6b..b6041ec 100644
--- a/drivers/infiniband/core/mad.c
+++ b/drivers/infiniband/core/mad.c
@@ -40,9 +40,11 @@
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/security.h>
 #include <rdma/ib_cache.h>
 
 #include "mad_priv.h"
+#include "core_priv.h"
 #include "mad_rmpp.h"
 #include "smi.h"
 #include "opa_smi.h"
@@ -367,6 +369,12 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
 	atomic_set(&mad_agent_priv->refcount, 1);
 	init_completion(&mad_agent_priv->comp);
 
+	ret2 = ib_mad_agent_security_setup(&mad_agent_priv->agent, qp_type);
+	if (ret2) {
+		ret = ERR_PTR(ret2);
+		goto error4;
+	}
+
 	spin_lock_irqsave(&port_priv->reg_lock, flags);
 	mad_agent_priv->agent.hi_tid = ++ib_mad_client_id;
 
@@ -384,7 +392,7 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
 				if (method) {
 					if (method_in_use(&method,
 							   mad_reg_req))
-						goto error4;
+						goto error5;
 				}
 			}
 			ret2 = add_nonoui_reg_req(mad_reg_req, mad_agent_priv,
@@ -400,14 +408,14 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
 					if (is_vendor_method_in_use(
 							vendor_class,
 							mad_reg_req))
-						goto error4;
+						goto error5;
 				}
 			}
 			ret2 = add_oui_reg_req(mad_reg_req, mad_agent_priv);
 		}
 		if (ret2) {
 			ret = ERR_PTR(ret2);
-			goto error4;
+			goto error5;
 		}
 	}
 
@@ -416,9 +424,10 @@ struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
 	spin_unlock_irqrestore(&port_priv->reg_lock, flags);
 
 	return &mad_agent_priv->agent;
-
-error4:
+error5:
 	spin_unlock_irqrestore(&port_priv->reg_lock, flags);
+	ib_mad_agent_security_cleanup(&mad_agent_priv->agent);
+error4:
 	kfree(reg_req);
 error3:
 	kfree(mad_agent_priv);
@@ -489,6 +498,7 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
 	struct ib_mad_agent *ret;
 	struct ib_mad_snoop_private *mad_snoop_priv;
 	int qpn;
+	int err;
 
 	/* Validate parameters */
 	if ((is_snooping_sends(mad_snoop_flags) && !snoop_handler) ||
@@ -523,17 +533,25 @@ struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
 	mad_snoop_priv->agent.port_num = port_num;
 	mad_snoop_priv->mad_snoop_flags = mad_snoop_flags;
 	init_completion(&mad_snoop_priv->comp);
+
+	err = ib_mad_agent_security_setup(&mad_snoop_priv->agent, qp_type);
+	if (err) {
+		ret = ERR_PTR(err);
+		goto error2;
+	}
+
 	mad_snoop_priv->snoop_index = register_snoop_agent(
 						&port_priv->qp_info[qpn],
 						mad_snoop_priv);
 	if (mad_snoop_priv->snoop_index < 0) {
 		ret = ERR_PTR(mad_snoop_priv->snoop_index);
-		goto error2;
+		goto error3;
 	}
 
 	atomic_set(&mad_snoop_priv->refcount, 1);
 	return &mad_snoop_priv->agent;
-
+error3:
+	ib_mad_agent_security_cleanup(&mad_snoop_priv->agent);
 error2:
 	kfree(mad_snoop_priv);
 error1:
@@ -579,6 +597,8 @@ static void unregister_mad_agent(struct ib_mad_agent_private *mad_agent_priv)
 	deref_mad_agent(mad_agent_priv);
 	wait_for_completion(&mad_agent_priv->comp);
 
+	ib_mad_agent_security_cleanup(&mad_agent_priv->agent);
+
 	kfree(mad_agent_priv->reg_req);
 	kfree(mad_agent_priv);
 }
@@ -597,6 +617,8 @@ static void unregister_mad_snoop(struct ib_mad_snoop_private *mad_snoop_priv)
 	deref_snoop_agent(mad_snoop_priv);
 	wait_for_completion(&mad_snoop_priv->comp);
 
+	ib_mad_agent_security_cleanup(&mad_snoop_priv->agent);
+
 	kfree(mad_snoop_priv);
 }
 
@@ -1219,12 +1241,16 @@ int ib_post_send_mad(struct ib_mad_send_buf *send_buf,
 
 	/* Walk list of send WRs and post each on send list */
 	for (; send_buf; send_buf = next_send_buf) {
-
 		mad_send_wr = container_of(send_buf,
 					   struct ib_mad_send_wr_private,
 					   send_buf);
 		mad_agent_priv = mad_send_wr->mad_agent_priv;
 
+		ret = ib_mad_enforce_security(mad_agent_priv,
+					      mad_send_wr->send_wr.pkey_index);
+		if (ret)
+			goto error;
+
 		if (!send_buf->mad_agent->send_handler ||
 		    (send_buf->timeout_ms &&
 		     !send_buf->mad_agent->recv_handler)) {
@@ -1958,6 +1984,14 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
 	struct ib_mad_send_wr_private *mad_send_wr;
 	struct ib_mad_send_wc mad_send_wc;
 	unsigned long flags;
+	int ret;
+
+	ret = ib_mad_enforce_security(mad_agent_priv,
+				      mad_recv_wc->wc->pkey_index);
+	if (ret) {
+		ib_free_recv_mad(mad_recv_wc);
+		deref_mad_agent(mad_agent_priv);
+	}
 
 	INIT_LIST_HEAD(&mad_recv_wc->rmpp_list);
 	list_add(&mad_recv_wc->recv_buf.list, &mad_recv_wc->rmpp_list);
@@ -2015,6 +2049,8 @@ static void ib_mad_complete_recv(struct ib_mad_agent_private *mad_agent_priv,
 						   mad_recv_wc);
 		deref_mad_agent(mad_agent_priv);
 	}
+
+	return;
 }
 
 static enum smi_action handle_ib_smi(const struct ib_mad_port_private *port_priv,
diff --git a/drivers/infiniband/core/security.c b/drivers/infiniband/core/security.c
index 45800dd..bc09af5 100644
--- a/drivers/infiniband/core/security.c
+++ b/drivers/infiniband/core/security.c
@@ -39,6 +39,7 @@
 #include <rdma/ib_verbs.h>
 #include <rdma/ib_cache.h>
 #include "core_priv.h"
+#include "mad_priv.h"
 
 static struct pkey_index_qp_list *get_pkey_idx_qp_list(struct ib_port_pkey *pp)
 {
@@ -614,4 +615,95 @@ int ib_security_modify_qp(struct ib_qp *qp,
 }
 EXPORT_SYMBOL(ib_security_modify_qp);
 
+int ib_security_pkey_access(struct ib_device *dev,
+			    u8 port_num,
+			    u16 pkey_index,
+			    void *sec)
+{
+	u64 subnet_prefix;
+	u16 pkey;
+	int ret;
+
+	ret = ib_get_cached_pkey(dev, port_num, pkey_index, &pkey);
+	if (ret)
+		return ret;
+
+	ret = ib_get_cached_subnet_prefix(dev, port_num, &subnet_prefix);
+
+	if (ret)
+		return ret;
+
+	return security_ib_pkey_access(sec, subnet_prefix, pkey);
+}
+EXPORT_SYMBOL(ib_security_pkey_access);
+
+static int ib_mad_agent_security_change(struct notifier_block *nb,
+					unsigned long event,
+					void *data)
+{
+	struct ib_mad_agent *ag = container_of(nb, struct ib_mad_agent, lsm_nb);
+
+	if (event != LSM_POLICY_CHANGE)
+		return NOTIFY_DONE;
+
+	ag->smp_allowed = !security_ib_endport_manage_subnet(ag->security,
+							     ag->device->name,
+							     ag->port_num);
+
+	return NOTIFY_OK;
+}
+
+int ib_mad_agent_security_setup(struct ib_mad_agent *agent,
+				enum ib_qp_type qp_type)
+{
+	int ret;
+
+	ret = security_ib_alloc_security(&agent->security);
+	if (ret)
+		return ret;
+
+	if (qp_type != IB_QPT_SMI)
+		return 0;
+
+	ret = security_ib_endport_manage_subnet(agent->security,
+						agent->device->name,
+						agent->port_num);
+	if (ret)
+		return ret;
+
+	agent->lsm_nb.notifier_call = ib_mad_agent_security_change;
+	ret = register_lsm_notifier(&agent->lsm_nb);
+	if (ret)
+		return ret;
+
+	agent->smp_allowed = true;
+	agent->lsm_nb_reg = true;
+	return 0;
+}
+
+void ib_mad_agent_security_cleanup(struct ib_mad_agent *agent)
+{
+	security_ib_free_security(agent->security);
+	if (agent->lsm_nb_reg)
+		unregister_lsm_notifier(&agent->lsm_nb);
+}
+
+int ib_mad_enforce_security(struct ib_mad_agent_private *map, u16 pkey_index)
+{
+	int ret;
+
+	if (map->agent.qp->qp_type == IB_QPT_SMI && !map->agent.smp_allowed)
+		return -EACCES;
+
+	ret = ib_security_pkey_access(map->agent.device,
+				      map->agent.port_num,
+				      pkey_index,
+				      map->agent.security);
+
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
 #endif /* CONFIG_SECURITY_INFINIBAND */
diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h
index d576efc..3936216 100644
--- a/include/linux/lsm_hooks.h
+++ b/include/linux/lsm_hooks.h
@@ -911,6 +911,11 @@
  *	@subnet_prefix the subnet prefix of the port being used.
  *	@pkey the pkey to be accessed.
  *	@sec pointer to a security structure.
+ * @ib_endport_manage_subnet:
+ *	Check permissions to send and receive SMPs on a end port.
+ *	@dev_name the IB device name (i.e. mlx4_0).
+ *	@port_num the port number.
+ *	@sec pointer to a security structure.
  * @ib_alloc_security:
  *	Allocate a security structure for Infiniband objects.
  *	@sec pointer to a security structure pointer.
@@ -1629,6 +1634,8 @@
 
 #ifdef CONFIG_SECURITY_INFINIBAND
 	int (*ib_pkey_access)(void *sec, u64 subnet_prefix, u16 pkey);
+	int (*ib_endport_manage_subnet)(void *sec, const char *dev_name,
+					u8 port_num);
 	int (*ib_alloc_security)(void **sec);
 	void (*ib_free_security)(void *sec);
 #endif	/* CONFIG_SECURITY_INFINIBAND */
@@ -1865,6 +1872,7 @@ struct security_hook_heads {
 #endif	/* CONFIG_SECURITY_NETWORK */
 #ifdef CONFIG_SECURITY_INFINIBAND
 	struct list_head ib_pkey_access;
+	struct list_head ib_endport_manage_subnet;
 	struct list_head ib_alloc_security;
 	struct list_head ib_free_security;
 #endif	/* CONFIG_SECURITY_INFINIBAND */
diff --git a/include/linux/security.h b/include/linux/security.h
index d8c29cd..9241f86 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1404,6 +1404,7 @@ static inline int security_tun_dev_open(void *security)
 
 #ifdef CONFIG_SECURITY_INFINIBAND
 int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
+int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
 int security_ib_alloc_security(void **sec);
 void security_ib_free_security(void *sec);
 #else	/* CONFIG_SECURITY_INFINIBAND */
@@ -1412,6 +1413,11 @@ static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey
 	return 0;
 }
 
+static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
+{
+	return 0;
+}
+
 static inline int security_ib_alloc_security(void **sec)
 {
 	return 0;
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index c8a773f..23c4a4e 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -537,6 +537,10 @@ struct ib_mad_agent {
 	u32			flags;
 	u8			port_num;
 	u8			rmpp_version;
+	void			*security;
+	bool			smp_allowed;
+	bool			lsm_nb_reg;
+	struct notifier_block   lsm_nb;
 };
 
 /**
diff --git a/security/security.c b/security/security.c
index 40326d4..e4fd2b6 100644
--- a/security/security.c
+++ b/security/security.c
@@ -1470,6 +1470,12 @@ int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
 }
 EXPORT_SYMBOL(security_ib_pkey_access);
 
+int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
+{
+	return call_int_hook(ib_endport_manage_subnet, 0, sec, dev_name, port_num);
+}
+EXPORT_SYMBOL(security_ib_endport_manage_subnet);
+
 int security_ib_alloc_security(void **sec)
 {
 	return call_int_hook(ib_alloc_security, 0, sec);
@@ -1943,6 +1949,8 @@ struct security_hook_heads security_hook_heads = {
 
 #ifdef CONFIG_SECURITY_INFINIBAND
 	.ib_pkey_access = LIST_HEAD_INIT(security_hook_heads.ib_pkey_access),
+	.ib_endport_manage_subnet =
+		LIST_HEAD_INIT(security_hook_heads.ib_endport_manage_subnet),
 	.ib_alloc_security =
 		LIST_HEAD_INIT(security_hook_heads.ib_alloc_security),
 	.ib_free_security =
