Merge branches 'core', 'cxgb4', 'ipoib', 'iser', 'iwcm', 'mad', 'misc…

…', 'mlx4', 'mlx5', 'ocrdma' and 'srp' into for-next

Documentation/infiniband/user_mad.txt

@@ -26,6 +26,11 @@ Creating MAD agents
   ioctl.  Also, all agents registered through a file descriptor will
   be unregistered when the descriptor is closed.
 
+  2014 -- a new registration ioctl is now provided which allows additional
+       fields to be provided during registration.
+       Users of this registration call are implicitly setting the use of
+       pkey_index (see below).
+
 Receiving MADs
 
   MADs are received using read().  The receive side now supports
@@ -104,10 +109,10 @@ P_Key Index Handling
   The old ib_umad interface did not allow setting the P_Key index for
   MADs that are sent and did not provide a way for obtaining the P_Key
   index of received MADs.  A new layout for struct ib_user_mad_hdr
-  with a pkey_index member has been defined; however, to preserve
-  binary compatibility with older applications, this new layout will
-  not be used unless the IB_USER_MAD_ENABLE_PKEY ioctl is called
-  before a file descriptor is used for anything else.
+  with a pkey_index member has been defined; however, to preserve binary
+  compatibility with older applications, this new layout will not be used
+  unless one of IB_USER_MAD_ENABLE_PKEY or IB_USER_MAD_REGISTER_AGENT2 ioctl's
+  are called before a file descriptor is used for anything else.
 
   In September 2008, the IB_USER_MAD_ABI_VERSION will be incremented
   to 6, the new layout of struct ib_user_mad_hdr will be used by

drivers/infiniband/core/agent.c

@@ -94,14 +94,14 @@ void agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
 		port_priv = ib_get_agent_port(device, port_num);
 
 	if (!port_priv) {
-		printk(KERN_ERR SPFX "Unable to find port agent\n");
+		dev_err(&device->dev, "Unable to find port agent\n");
 		return;
 	}
 
 	agent = port_priv->agent[qpn];
 	ah = ib_create_ah_from_wc(agent->qp->pd, wc, grh, port_num);
 	if (IS_ERR(ah)) {
-		printk(KERN_ERR SPFX "ib_create_ah_from_wc error %ld\n",
+		dev_err(&device->dev, "ib_create_ah_from_wc error %ld\n",
 			PTR_ERR(ah));
 		return;
 	}
@@ -110,7 +110,7 @@ void agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
 				      IB_MGMT_MAD_HDR, IB_MGMT_MAD_DATA,
 				      GFP_KERNEL);
 	if (IS_ERR(send_buf)) {
-		printk(KERN_ERR SPFX "ib_create_send_mad error\n");
+		dev_err(&device->dev, "ib_create_send_mad error\n");
 		goto err1;
 	}
 
@@ -125,7 +125,7 @@ void agent_send_response(struct ib_mad *mad, struct ib_grh *grh,
 	}
 
 	if (ib_post_send_mad(send_buf, NULL)) {
-		printk(KERN_ERR SPFX "ib_post_send_mad error\n");
+		dev_err(&device->dev, "ib_post_send_mad error\n");
 		goto err2;
 	}
 	return;
@@ -151,7 +151,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
 	/* Create new device info */
 	port_priv = kzalloc(sizeof *port_priv, GFP_KERNEL);
 	if (!port_priv) {
-		printk(KERN_ERR SPFX "No memory for ib_agent_port_private\n");
+		dev_err(&device->dev, "No memory for ib_agent_port_private\n");
 		ret = -ENOMEM;
 		goto error1;
 	}
@@ -161,7 +161,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
 		port_priv->agent[0] = ib_register_mad_agent(device, port_num,
 							    IB_QPT_SMI, NULL, 0,
 							    &agent_send_handler,
-							    NULL, NULL);
+							    NULL, NULL, 0);
 		if (IS_ERR(port_priv->agent[0])) {
 			ret = PTR_ERR(port_priv->agent[0]);
 			goto error2;
@@ -172,7 +172,7 @@ int ib_agent_port_open(struct ib_device *device, int port_num)
 	port_priv->agent[1] = ib_register_mad_agent(device, port_num,
 						    IB_QPT_GSI, NULL, 0,
 						    &agent_send_handler,
-						    NULL, NULL);
+						    NULL, NULL, 0);
 	if (IS_ERR(port_priv->agent[1])) {
 		ret = PTR_ERR(port_priv->agent[1]);
 		goto error3;
@@ -202,7 +202,7 @@ int ib_agent_port_close(struct ib_device *device, int port_num)
 	port_priv = __ib_get_agent_port(device, port_num);
 	if (port_priv == NULL) {
 		spin_unlock_irqrestore(&ib_agent_port_list_lock, flags);
-		printk(KERN_ERR SPFX "Port %d not found\n", port_num);
+		dev_err(&device->dev, "Port %d not found\n", port_num);
 		return -ENODEV;
 	}
 	list_del(&port_priv->port_list);

drivers/infiniband/core/cm.c

@@ -3753,7 +3753,7 @@ static void cm_add_one(struct ib_device *ib_device)
 	struct cm_port *port;
 	struct ib_mad_reg_req reg_req = {
 		.mgmt_class = IB_MGMT_CLASS_CM,
-		.mgmt_class_version = IB_CM_CLASS_VERSION
+		.mgmt_class_version = IB_CM_CLASS_VERSION,
 	};
 	struct ib_port_modify port_modify = {
 		.set_port_cap_mask = IB_PORT_CM_SUP
@@ -3801,7 +3801,8 @@ static void cm_add_one(struct ib_device *ib_device)
 							0,
 							cm_send_handler,
 							cm_recv_handler,
-							port);
+							port,
+							0);
 		if (IS_ERR(port->mad_agent))
 			goto error2;
 

drivers/infiniband/core/iwcm.c

@@ -46,6 +46,7 @@
 #include <linux/completion.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/sysctl.h>
 
 #include <rdma/iw_cm.h>
 #include <rdma/ib_addr.h>
@@ -65,6 +66,20 @@ struct iwcm_work {
 	struct list_head free_list;
 };
 
+static unsigned int default_backlog = 256;
+
+static struct ctl_table_header *iwcm_ctl_table_hdr;
+static struct ctl_table iwcm_ctl_table[] = {
+	{
+		.procname	= "default_backlog",
+		.data		= &default_backlog,
+		.maxlen		= sizeof(default_backlog),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec,
+	},
+	{ }
+};
+
 /*
  * The following services provide a mechanism for pre-allocating iwcm_work
  * elements.  The design pre-allocates them  based on the cm_id type:
@@ -425,6 +440,9 @@ int iw_cm_listen(struct iw_cm_id *cm_id, int backlog)
 
 	cm_id_priv = container_of(cm_id, struct iwcm_id_private, id);
 
+	if (!backlog)
+		backlog = default_backlog;
+
 	ret = alloc_work_entries(cm_id_priv, backlog);
 	if (ret)
 		return ret;
@@ -1030,11 +1048,20 @@ static int __init iw_cm_init(void)
 	if (!iwcm_wq)
 		return -ENOMEM;
 
+	iwcm_ctl_table_hdr = register_net_sysctl(&init_net, "net/iw_cm",
+						 iwcm_ctl_table);
+	if (!iwcm_ctl_table_hdr) {
+		pr_err("iw_cm: couldn't register sysctl paths\n");
+		destroy_workqueue(iwcm_wq);
+		return -ENOMEM;
+	}
+
 	return 0;
 }
 
 static void __exit iw_cm_cleanup(void)
 {
+	unregister_net_sysctl_table(iwcm_ctl_table_hdr);
 	destroy_workqueue(iwcm_wq);
 }