Commit de7860c3 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband 

* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband:
  IPoIB/cm: Optimize stale connection detection
  IB/mthca: Set cleaned CQEs back to HW ownership when cleaning CQ
  IB/mthca: Fix posting >255 recv WRs for Tavor
  RDMA/cma: Add check to validate that cm_id is bound to a device
  RDMA/cma: Fix synchronization with device removal in cma_iw_handler
  RDMA/cma: Simplify device removal handling code
  IB/ehca: Disable scaling code by default, bump version number
  IB/ehca: Beautify sysfs attribute code and fix compiler warnings
  IB/ehca: Remove _irqsave, move #ifdef
  IB/ehca: Fix AQP0/1 QP number
  IB/ehca: Correctly set GRH mask bit in ehca_modify_qp()
  IB/ehca: Serialize hypervisor calls in ehca_register_mr()
  IB/ipath: Shadow the gpio_mask register
  IB/mlx4: Fix uninitialized spinlock for 32-bit archs
  mlx4_core: Remove unused doorbell_lock
  net: Trivial MLX4_DEBUG dependency fix.
parents cfbf07f2 7c5b9ef8

drivers/infiniband/core/cma.c

+59 −47
Original line number Diff line number Diff line
@@ -346,12 +346,33 @@ static void cma_deref_id(struct rdma_id_private *id_priv) 
		complete(&id_priv->comp);

}



static void cma_release_remove(struct rdma_id_private *id_priv)

static int cma_disable_remove(struct rdma_id_private *id_priv,

			      enum cma_state state)

{

	unsigned long flags;

	int ret;



	spin_lock_irqsave(&id_priv->lock, flags);

	if (id_priv->state == state) {

		atomic_inc(&id_priv->dev_remove);

		ret = 0;

	} else

		ret = -EINVAL;

	spin_unlock_irqrestore(&id_priv->lock, flags);

	return ret;

}



static void cma_enable_remove(struct rdma_id_private *id_priv)

{

	if (atomic_dec_and_test(&id_priv->dev_remove))

		wake_up(&id_priv->wait_remove);

}



static int cma_has_cm_dev(struct rdma_id_private *id_priv)

{

	return (id_priv->id.device && id_priv->cm_id.ib);

}



struct rdma_cm_id *rdma_create_id(rdma_cm_event_handler event_handler,

				  void *context, enum rdma_port_space ps)

{
@@ -884,9 +905,8 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) 
	struct rdma_cm_event event;

	int ret = 0;



	atomic_inc(&id_priv->dev_remove);

	if (!cma_comp(id_priv, CMA_CONNECT))

		goto out;

	if (cma_disable_remove(id_priv, CMA_CONNECT))

		return 0;



	memset(&event, 0, sizeof event);

	switch (ib_event->event) {
@@ -942,12 +962,12 @@ static int cma_ib_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) 
		/* Destroy the CM ID by returning a non-zero value. */

		id_priv->cm_id.ib = NULL;

		cma_exch(id_priv, CMA_DESTROYING);

		cma_release_remove(id_priv);

		cma_enable_remove(id_priv);

		rdma_destroy_id(&id_priv->id);

		return ret;

	}

out:

	cma_release_remove(id_priv);

	cma_enable_remove(id_priv);

	return ret;

}
@@ -1057,11 +1077,8 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) 
	int offset, ret;



	listen_id = cm_id->context;

	atomic_inc(&listen_id->dev_remove);

	if (!cma_comp(listen_id, CMA_LISTEN)) {

		ret = -ECONNABORTED;

		goto out;

	}

	if (cma_disable_remove(listen_id, CMA_LISTEN))

		return -ECONNABORTED;



	memset(&event, 0, sizeof event);

	offset = cma_user_data_offset(listen_id->id.ps);
@@ -1101,11 +1118,11 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) 


release_conn_id:

	cma_exch(conn_id, CMA_DESTROYING);

	cma_release_remove(conn_id);

	cma_enable_remove(conn_id);

	rdma_destroy_id(&conn_id->id);



out:

	cma_release_remove(listen_id);

	cma_enable_remove(listen_id);

	return ret;

}
@@ -1171,9 +1188,10 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) 
	struct sockaddr_in *sin;

	int ret = 0;



	memset(&event, 0, sizeof event);

	atomic_inc(&id_priv->dev_remove);

	if (cma_disable_remove(id_priv, CMA_CONNECT))

		return 0;



	memset(&event, 0, sizeof event);

	switch (iw_event->event) {

	case IW_CM_EVENT_CLOSE:

		event.event = RDMA_CM_EVENT_DISCONNECTED;
@@ -1214,12 +1232,12 @@ static int cma_iw_handler(struct iw_cm_id *iw_id, struct iw_cm_event *iw_event) 
		/* Destroy the CM ID by returning a non-zero value. */

		id_priv->cm_id.iw = NULL;

		cma_exch(id_priv, CMA_DESTROYING);

		cma_release_remove(id_priv);

		cma_enable_remove(id_priv);

		rdma_destroy_id(&id_priv->id);

		return ret;

	}



	cma_release_remove(id_priv);

	cma_enable_remove(id_priv);

	return ret;

}
@@ -1234,11 +1252,8 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
	int ret;



	listen_id = cm_id->context;

	atomic_inc(&listen_id->dev_remove);

	if (!cma_comp(listen_id, CMA_LISTEN)) {

		ret = -ECONNABORTED;

		goto out;

	}

	if (cma_disable_remove(listen_id, CMA_LISTEN))

		return -ECONNABORTED;



	/* Create a new RDMA id for the new IW CM ID */

	new_cm_id = rdma_create_id(listen_id->id.event_handler,
@@ -1255,13 +1270,13 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
	dev = ip_dev_find(iw_event->local_addr.sin_addr.s_addr);

	if (!dev) {

		ret = -EADDRNOTAVAIL;

		cma_release_remove(conn_id);

		cma_enable_remove(conn_id);

		rdma_destroy_id(new_cm_id);

		goto out;

	}

	ret = rdma_copy_addr(&conn_id->id.route.addr.dev_addr, dev, NULL);

	if (ret) {

		cma_release_remove(conn_id);

		cma_enable_remove(conn_id);

		rdma_destroy_id(new_cm_id);

		goto out;

	}
@@ -1270,7 +1285,7 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
	ret = cma_acquire_dev(conn_id);

	mutex_unlock(&lock);

	if (ret) {

		cma_release_remove(conn_id);

		cma_enable_remove(conn_id);

		rdma_destroy_id(new_cm_id);

		goto out;

	}
@@ -1293,14 +1308,14 @@ static int iw_conn_req_handler(struct iw_cm_id *cm_id, 
		/* User wants to destroy the CM ID */

		conn_id->cm_id.iw = NULL;

		cma_exch(conn_id, CMA_DESTROYING);

		cma_release_remove(conn_id);

		cma_enable_remove(conn_id);

		rdma_destroy_id(&conn_id->id);

	}



out:

	if (dev)

		dev_put(dev);

	cma_release_remove(listen_id);

	cma_enable_remove(listen_id);

	return ret;

}
@@ -1519,7 +1534,7 @@ static void cma_work_handler(struct work_struct *_work) 
		destroy = 1;

	}

out:

	cma_release_remove(id_priv);

	cma_enable_remove(id_priv);

	cma_deref_id(id_priv);

	if (destroy)

		rdma_destroy_id(&id_priv->id);
@@ -1711,13 +1726,13 @@ static void addr_handler(int status, struct sockaddr *src_addr, 


	if (id_priv->id.event_handler(&id_priv->id, &event)) {

		cma_exch(id_priv, CMA_DESTROYING);

		cma_release_remove(id_priv);

		cma_enable_remove(id_priv);

		cma_deref_id(id_priv);

		rdma_destroy_id(&id_priv->id);

		return;

	}

out:

	cma_release_remove(id_priv);

	cma_enable_remove(id_priv);

	cma_deref_id(id_priv);

}
@@ -2042,11 +2057,10 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id, 
	struct ib_cm_sidr_rep_event_param *rep = &ib_event->param.sidr_rep_rcvd;

	int ret = 0;



	memset(&event, 0, sizeof event);

	atomic_inc(&id_priv->dev_remove);

	if (!cma_comp(id_priv, CMA_CONNECT))

		goto out;

	if (cma_disable_remove(id_priv, CMA_CONNECT))

		return 0;



	memset(&event, 0, sizeof event);

	switch (ib_event->event) {

	case IB_CM_SIDR_REQ_ERROR:

		event.event = RDMA_CM_EVENT_UNREACHABLE;
@@ -2084,12 +2098,12 @@ static int cma_sidr_rep_handler(struct ib_cm_id *cm_id, 
		/* Destroy the CM ID by returning a non-zero value. */

		id_priv->cm_id.ib = NULL;

		cma_exch(id_priv, CMA_DESTROYING);

		cma_release_remove(id_priv);

		cma_enable_remove(id_priv);

		rdma_destroy_id(&id_priv->id);

		return ret;

	}

out:

	cma_release_remove(id_priv);

	cma_enable_remove(id_priv);

	return ret;

}
@@ -2413,7 +2427,7 @@ int rdma_notify(struct rdma_cm_id *id, enum ib_event_type event) 
	int ret;



	id_priv = container_of(id, struct rdma_id_private, id);

	if (!cma_comp(id_priv, CMA_CONNECT))

	if (!cma_has_cm_dev(id_priv))

		return -EINVAL;



	switch (id->device->node_type) {
@@ -2435,7 +2449,7 @@ int rdma_reject(struct rdma_cm_id *id, const void *private_data, 
	int ret;



	id_priv = container_of(id, struct rdma_id_private, id);

	if (!cma_comp(id_priv, CMA_CONNECT))

	if (!cma_has_cm_dev(id_priv))

		return -EINVAL;



	switch (rdma_node_get_transport(id->device->node_type)) {
@@ -2466,8 +2480,7 @@ int rdma_disconnect(struct rdma_cm_id *id) 
	int ret;



	id_priv = container_of(id, struct rdma_id_private, id);

	if (!cma_comp(id_priv, CMA_CONNECT) &&

	    !cma_comp(id_priv, CMA_DISCONNECT))

	if (!cma_has_cm_dev(id_priv))

		return -EINVAL;



	switch (rdma_node_get_transport(id->device->node_type)) {
@@ -2499,10 +2512,9 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast) 
	int ret;



	id_priv = mc->id_priv;

	atomic_inc(&id_priv->dev_remove);

	if (!cma_comp(id_priv, CMA_ADDR_BOUND) &&

	    !cma_comp(id_priv, CMA_ADDR_RESOLVED))

		goto out;

	if (cma_disable_remove(id_priv, CMA_ADDR_BOUND) &&

	    cma_disable_remove(id_priv, CMA_ADDR_RESOLVED))

		return 0;



	if (!status && id_priv->id.qp)

		status = ib_attach_mcast(id_priv->id.qp, &multicast->rec.mgid,
@@ -2524,12 +2536,12 @@ static int cma_ib_mc_handler(int status, struct ib_sa_multicast *multicast) 
	ret = id_priv->id.event_handler(&id_priv->id, &event);

	if (ret) {

		cma_exch(id_priv, CMA_DESTROYING);

		cma_release_remove(id_priv);

		cma_enable_remove(id_priv);

		rdma_destroy_id(&id_priv->id);

		return 0;

	}

out:

	cma_release_remove(id_priv);



	cma_enable_remove(id_priv);

	return 0;

}

drivers/infiniband/hw/ehca/ehca_classes.h

+1 −0
Original line number Diff line number Diff line
@@ -277,6 +277,7 @@ void ehca_cleanup_mrmw_cache(void); 


extern spinlock_t ehca_qp_idr_lock;

extern spinlock_t ehca_cq_idr_lock;

extern spinlock_t hcall_lock;

extern struct idr ehca_qp_idr;

extern struct idr ehca_cq_idr;

drivers/infiniband/hw/ehca/ehca_irq.c

+3 −4
Original line number Diff line number Diff line
@@ -517,12 +517,11 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq) 
			else {

				struct ehca_cq *cq = eq->eqe_cache[i].cq;

				comp_event_callback(cq);

				spin_lock_irqsave(&ehca_cq_idr_lock, flags);

				spin_lock(&ehca_cq_idr_lock);

				cq->nr_events--;

				if (!cq->nr_events)

					wake_up(&cq->wait_completion);

				spin_unlock_irqrestore(&ehca_cq_idr_lock,

						       flags);

				spin_unlock(&ehca_cq_idr_lock);

			}

		} else {

			ehca_dbg(&shca->ib_device, "Got non completion event");
@@ -711,6 +710,7 @@ static void destroy_comp_task(struct ehca_comp_pool *pool, 
		kthread_stop(task);

}



#ifdef CONFIG_HOTPLUG_CPU

static void take_over_work(struct ehca_comp_pool *pool,

			   int cpu)

{
@@ -735,7 +735,6 @@ static void take_over_work(struct ehca_comp_pool *pool, 


}



#ifdef CONFIG_HOTPLUG_CPU

static int comp_pool_callback(struct notifier_block *nfb,

			      unsigned long action,

			      void *hcpu)

drivers/infiniband/hw/ehca/ehca_main.c

+42 −52
Original line number Diff line number Diff line
@@ -52,7 +52,7 @@ 
MODULE_LICENSE("Dual BSD/GPL");

MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");

MODULE_DESCRIPTION("IBM eServer HCA InfiniBand Device Driver");

MODULE_VERSION("SVNEHCA_0022");

MODULE_VERSION("SVNEHCA_0023");



int ehca_open_aqp1     = 0;

int ehca_debug_level   = 0;
@@ -62,7 +62,7 @@ int ehca_use_hp_mr = 0; 
int ehca_port_act_time = 30;

int ehca_poll_all_eqs  = 1;

int ehca_static_rate   = -1;

int ehca_scaling_code  = 1;

int ehca_scaling_code  = 0;



module_param_named(open_aqp1,     ehca_open_aqp1,     int, 0);

module_param_named(debug_level,   ehca_debug_level,   int, 0);
@@ -98,6 +98,7 @@ MODULE_PARM_DESC(scaling_code, 


spinlock_t ehca_qp_idr_lock;

spinlock_t ehca_cq_idr_lock;

spinlock_t hcall_lock;

DEFINE_IDR(ehca_qp_idr);

DEFINE_IDR(ehca_cq_idr);
@@ -453,15 +454,14 @@ static ssize_t ehca_store_debug_level(struct device_driver *ddp, 
DRIVER_ATTR(debug_level, S_IRUSR | S_IWUSR,

	    ehca_show_debug_level, ehca_store_debug_level);



void ehca_create_driver_sysfs(struct ibmebus_driver *drv)

{

	driver_create_file(&drv->driver, &driver_attr_debug_level);

}

static struct attribute *ehca_drv_attrs[] = {

	&driver_attr_debug_level.attr,

	NULL

};



void ehca_remove_driver_sysfs(struct ibmebus_driver *drv)

{

	driver_remove_file(&drv->driver, &driver_attr_debug_level);

}

static struct attribute_group ehca_drv_attr_grp = {

	.attrs = ehca_drv_attrs

};



#define EHCA_RESOURCE_ATTR(name)                                           \

static ssize_t  ehca_show_##name(struct device *dev,                       \
@@ -523,44 +523,28 @@ static ssize_t ehca_show_adapter_handle(struct device *dev, 
}

static DEVICE_ATTR(adapter_handle, S_IRUGO, ehca_show_adapter_handle, NULL);



static struct attribute *ehca_dev_attrs[] = {

	&dev_attr_adapter_handle.attr,

	&dev_attr_num_ports.attr,

	&dev_attr_hw_ver.attr,

	&dev_attr_max_eq.attr,

	&dev_attr_cur_eq.attr,

	&dev_attr_max_cq.attr,

	&dev_attr_cur_cq.attr,

	&dev_attr_max_qp.attr,

	&dev_attr_cur_qp.attr,

	&dev_attr_max_mr.attr,

	&dev_attr_cur_mr.attr,

	&dev_attr_max_mw.attr,

	&dev_attr_cur_mw.attr,

	&dev_attr_max_pd.attr,

	&dev_attr_max_ah.attr,

	NULL

};



void ehca_create_device_sysfs(struct ibmebus_dev *dev)

{

	device_create_file(&dev->ofdev.dev, &dev_attr_adapter_handle);

	device_create_file(&dev->ofdev.dev, &dev_attr_num_ports);

	device_create_file(&dev->ofdev.dev, &dev_attr_hw_ver);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_eq);

	device_create_file(&dev->ofdev.dev, &dev_attr_cur_eq);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_cq);

	device_create_file(&dev->ofdev.dev, &dev_attr_cur_cq);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_qp);

	device_create_file(&dev->ofdev.dev, &dev_attr_cur_qp);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_mr);

	device_create_file(&dev->ofdev.dev, &dev_attr_cur_mr);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_mw);

	device_create_file(&dev->ofdev.dev, &dev_attr_cur_mw);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_pd);

	device_create_file(&dev->ofdev.dev, &dev_attr_max_ah);

}



void ehca_remove_device_sysfs(struct ibmebus_dev *dev)

{

	device_remove_file(&dev->ofdev.dev, &dev_attr_adapter_handle);

	device_remove_file(&dev->ofdev.dev, &dev_attr_num_ports);

	device_remove_file(&dev->ofdev.dev, &dev_attr_hw_ver);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_eq);

	device_remove_file(&dev->ofdev.dev, &dev_attr_cur_eq);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_cq);

	device_remove_file(&dev->ofdev.dev, &dev_attr_cur_cq);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_qp);

	device_remove_file(&dev->ofdev.dev, &dev_attr_cur_qp);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_mr);

	device_remove_file(&dev->ofdev.dev, &dev_attr_cur_mr);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_mw);

	device_remove_file(&dev->ofdev.dev, &dev_attr_cur_mw);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_pd);

	device_remove_file(&dev->ofdev.dev, &dev_attr_max_ah);

}

static struct attribute_group ehca_dev_attr_grp = {

	.attrs = ehca_dev_attrs

};



static int __devinit ehca_probe(struct ibmebus_dev *dev,

				const struct of_device_id *id)
@@ -668,7 +652,10 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev, 
		}

	}



	ehca_create_device_sysfs(dev);

	ret = sysfs_create_group(&dev->ofdev.dev.kobj, &ehca_dev_attr_grp);

	if (ret) /* only complain; we can live without attributes */

		ehca_err(&shca->ib_device,

			 "Cannot create device attributes  ret=%d", ret);



	spin_lock(&shca_list_lock);

	list_add(&shca->shca_list, &shca_list);
@@ -720,7 +707,7 @@ static int __devexit ehca_remove(struct ibmebus_dev *dev) 
	struct ehca_shca *shca = dev->ofdev.dev.driver_data;

	int ret;



	ehca_remove_device_sysfs(dev);

	sysfs_remove_group(&dev->ofdev.dev.kobj, &ehca_dev_attr_grp);



	if (ehca_open_aqp1 == 1) {

		int i;
@@ -812,11 +799,12 @@ int __init ehca_module_init(void) 
	int ret;



	printk(KERN_INFO "eHCA Infiniband Device Driver "

	       "(Rel.: SVNEHCA_0022)\n");

	       "(Rel.: SVNEHCA_0023)\n");

	idr_init(&ehca_qp_idr);

	idr_init(&ehca_cq_idr);

	spin_lock_init(&ehca_qp_idr_lock);

	spin_lock_init(&ehca_cq_idr_lock);

	spin_lock_init(&hcall_lock);



	INIT_LIST_HEAD(&shca_list);

	spin_lock_init(&shca_list_lock);
@@ -838,7 +826,9 @@ int __init ehca_module_init(void) 
		goto module_init2;

	}



	ehca_create_driver_sysfs(&ehca_driver);

	ret = sysfs_create_group(&ehca_driver.driver.kobj, &ehca_drv_attr_grp);

	if (ret) /* only complain; we can live without attributes */

		ehca_gen_err("Cannot create driver attributes  ret=%d", ret);



	if (ehca_poll_all_eqs != 1) {

		ehca_gen_err("WARNING!!!");
@@ -865,7 +855,7 @@ void __exit ehca_module_exit(void) 
	if (ehca_poll_all_eqs == 1)

		del_timer_sync(&poll_eqs_timer);



	ehca_remove_driver_sysfs(&ehca_driver);

	sysfs_remove_group(&ehca_driver.driver.kobj, &ehca_drv_attr_grp);

	ibmebus_unregister_driver(&ehca_driver);



	ehca_destroy_slab_caches();

drivers/infiniband/hw/ehca/ehca_qp.c

+11 −6
Original line number Diff line number Diff line
@@ -523,6 +523,8 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, 
		goto create_qp_exit1;

	}



	my_qp->ib_qp.qp_num = my_qp->real_qp_num;



	switch (init_attr->qp_type) {

	case IB_QPT_RC:

	        if (isdaqp == 0) {
@@ -568,7 +570,7 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, 
			parms.act_nr_recv_wqes = init_attr->cap.max_recv_wr;

			parms.act_nr_send_sges = init_attr->cap.max_send_sge;

			parms.act_nr_recv_sges = init_attr->cap.max_recv_sge;

			my_qp->real_qp_num =

			my_qp->ib_qp.qp_num =

				(init_attr->qp_type == IB_QPT_SMI) ? 0 : 1;

		}
@@ -595,7 +597,6 @@ struct ib_qp *ehca_create_qp(struct ib_pd *pd, 
	my_qp->ib_qp.recv_cq = init_attr->recv_cq;

	my_qp->ib_qp.send_cq = init_attr->send_cq;



	my_qp->ib_qp.qp_num = my_qp->real_qp_num;

	my_qp->ib_qp.qp_type = init_attr->qp_type;



	my_qp->qp_type = init_attr->qp_type;
@@ -968,17 +969,21 @@ static int internal_modify_qp(struct ib_qp *ibqp, 
			((ehca_mult - 1) / ah_mult) : 0;

		else

			mqpcb->max_static_rate = 0;



		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_MAX_STATIC_RATE, 1);



		/*

		 * Always supply the GRH flag, even if it's zero, to give the

		 * hypervisor a clear "yes" or "no" instead of a "perhaps"

		 */

		update_mask |= EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1);



		/*

		 * only if GRH is TRUE we might consider SOURCE_GID_IDX

		 * and DEST_GID otherwise phype will return H_ATTR_PARM!!!

		 */

		if (attr->ah_attr.ah_flags == IB_AH_GRH) {

			mqpcb->send_grh_flag = 1 << 31;

			update_mask |=

				EHCA_BMASK_SET(MQPCB_MASK_SEND_GRH_FLAG, 1);

			mqpcb->send_grh_flag = 1;



			mqpcb->source_gid_idx = attr->ah_attr.grh.sgid_index;

			update_mask |=

				EHCA_BMASK_SET(MQPCB_MASK_SOURCE_GID_IDX, 1);

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