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Commit ce9d3c9a authored by Linus Torvalds's avatar Linus Torvalds
Browse files

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

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (87 commits)
  mlx4_core: Fix section mismatches
  IPoIB: Allow setting policy to ignore multicast groups
  IB/mthca: Mark error paths as unlikely() in post_srq_recv functions
  IB/ipath: Minor fix to ordering of freeing and zeroing of tid pages.
  IB/ipath: Remove redundant link state checks
  IB/ipath: Fix IB_EVENT_PORT_ERR event
  IB/ipath: Better handling of unexpected GPIO interrupts
  IB/ipath: Maintain active time on all chips
  IB/ipath: Fix QHT7040 serial number check
  IB/ipath: Indicate a couple of chip bugs to userspace
  IB/ipath: iba6110 rev4 no longer needs recv header overrun workaround
  IB/ipath: Use counters in ipath_poll and cleanup interrupts in ipath_close
  IB/ipath: Remove duplicate copy of LMC
  IB/ipath: Add ability to set the LMC via the sysfs debugging interface
  IB/ipath: Optimize completion queue entry insertion and polling
  IB/ipath: Implement IB_EVENT_QP_LAST_WQE_REACHED
  IB/ipath: Generate flush CQE when QP is in error state
  IB/ipath: Remove redundant code
  IB/ipath: Future proof eeprom checksum code (contents reading)
  IB/ipath: UC RDMA WRITE with IMMEDIATE doesn't send the immediate
  ...
parents 038a5008 3d73c288

Documentation/infiniband/user_mad.txt

+14 −0
Original line number Diff line number Diff line
@@ -99,6 +99,20 @@ Transaction IDs 
  request/response pairs.  The upper 32 bits are reserved for use by

  the kernel and will be overwritten before a MAD is sent.



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.



  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

  default, and the IB_USER_MAD_ENABLE_PKEY ioctl will be removed.



Setting IsSM Capability Bit



  To set the IsSM capability bit for a port, simply open the

drivers/infiniband/core/addr.c

+1 −2
Original line number Diff line number Diff line
@@ -161,8 +161,7 @@ static void addr_send_arp(struct sockaddr_in *dst_in) 
	if (ip_route_output_key(&rt, &fl))

		return;



	arp_send(ARPOP_REQUEST, ETH_P_ARP, rt->rt_gateway, rt->idev->dev,

		 rt->rt_src, NULL, rt->idev->dev->dev_addr, NULL);

	neigh_event_send(rt->u.dst.neighbour, NULL);

	ip_rt_put(rt);

}

drivers/infiniband/core/cm.c

+23 −28
Original line number Diff line number Diff line
@@ -2219,6 +2219,9 @@ int ib_send_cm_mra(struct ib_cm_id *cm_id, 
{

	struct cm_id_private *cm_id_priv;

	struct ib_mad_send_buf *msg;

	enum ib_cm_state cm_state;

	enum ib_cm_lap_state lap_state;

	enum cm_msg_response msg_response;

	void *data;

	unsigned long flags;

	int ret;
@@ -2235,48 +2238,40 @@ int ib_send_cm_mra(struct ib_cm_id *cm_id, 
	spin_lock_irqsave(&cm_id_priv->lock, flags);

	switch(cm_id_priv->id.state) {

	case IB_CM_REQ_RCVD:

		ret = cm_alloc_msg(cm_id_priv, &msg);

		if (ret)

			goto error1;



		cm_format_mra((struct cm_mra_msg *) msg->mad, cm_id_priv,

			      CM_MSG_RESPONSE_REQ, service_timeout,

			      private_data, private_data_len);

		ret = ib_post_send_mad(msg, NULL);

		if (ret)

			goto error2;

		cm_id->state = IB_CM_MRA_REQ_SENT;

		cm_state = IB_CM_MRA_REQ_SENT;

		lap_state = cm_id->lap_state;

		msg_response = CM_MSG_RESPONSE_REQ;

		break;

	case IB_CM_REP_RCVD:

		ret = cm_alloc_msg(cm_id_priv, &msg);

		if (ret)

			goto error1;



		cm_format_mra((struct cm_mra_msg *) msg->mad, cm_id_priv,

			      CM_MSG_RESPONSE_REP, service_timeout,

			      private_data, private_data_len);

		ret = ib_post_send_mad(msg, NULL);

		if (ret)

			goto error2;

		cm_id->state = IB_CM_MRA_REP_SENT;

		cm_state = IB_CM_MRA_REP_SENT;

		lap_state = cm_id->lap_state;

		msg_response = CM_MSG_RESPONSE_REP;

		break;

	case IB_CM_ESTABLISHED:

		cm_state = cm_id->state;

		lap_state = IB_CM_MRA_LAP_SENT;

		msg_response = CM_MSG_RESPONSE_OTHER;

		break;

	default:

		ret = -EINVAL;

		goto error1;

	}



	if (!(service_timeout & IB_CM_MRA_FLAG_DELAY)) {

		ret = cm_alloc_msg(cm_id_priv, &msg);

		if (ret)

			goto error1;



		cm_format_mra((struct cm_mra_msg *) msg->mad, cm_id_priv,

			      CM_MSG_RESPONSE_OTHER, service_timeout,

			      msg_response, service_timeout,

			      private_data, private_data_len);

		ret = ib_post_send_mad(msg, NULL);

		if (ret)

			goto error2;

		cm_id->lap_state = IB_CM_MRA_LAP_SENT;

		break;

	default:

		ret = -EINVAL;

		goto error1;

	}



	cm_id->state = cm_state;

	cm_id->lap_state = lap_state;

	cm_id_priv->service_timeout = service_timeout;

	cm_set_private_data(cm_id_priv, data, private_data_len);

	spin_unlock_irqrestore(&cm_id_priv->lock, flags);

drivers/infiniband/core/cma.c

+36 −10
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ MODULE_LICENSE("Dual BSD/GPL"); 


#define CMA_CM_RESPONSE_TIMEOUT 20

#define CMA_MAX_CM_RETRIES 15

#define CMA_CM_MRA_SETTING (IB_CM_MRA_FLAG_DELAY | 24)



static void cma_add_one(struct ib_device *device);

static void cma_remove_one(struct ib_device *device);
@@ -138,6 +139,7 @@ struct rdma_id_private { 
	u32			qkey;

	u32			qp_num;

	u8			srq;

	u8			tos;

};



struct cma_multicast {
@@ -1089,6 +1091,7 @@ static int cma_req_handler(struct ib_cm_id *cm_id, struct ib_cm_event *ib_event) 
		event.param.ud.private_data_len =

				IB_CM_SIDR_REQ_PRIVATE_DATA_SIZE - offset;

	} else {

		ib_send_cm_mra(cm_id, CMA_CM_MRA_SETTING, NULL, 0);

		conn_id = cma_new_conn_id(&listen_id->id, ib_event);

		cma_set_req_event_data(&event, &ib_event->param.req_rcvd,

				       ib_event->private_data, offset);
@@ -1474,6 +1477,15 @@ err: 
}

EXPORT_SYMBOL(rdma_listen);



void rdma_set_service_type(struct rdma_cm_id *id, int tos)

{

	struct rdma_id_private *id_priv;



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

	id_priv->tos = (u8) tos;

}

EXPORT_SYMBOL(rdma_set_service_type);



static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec,

			      void *context)

{
@@ -1498,23 +1510,37 @@ static void cma_query_handler(int status, struct ib_sa_path_rec *path_rec, 
static int cma_query_ib_route(struct rdma_id_private *id_priv, int timeout_ms,

			      struct cma_work *work)

{

	struct rdma_dev_addr *addr = &id_priv->id.route.addr.dev_addr;

	struct rdma_addr *addr = &id_priv->id.route.addr;

	struct ib_sa_path_rec path_rec;

	ib_sa_comp_mask comp_mask;

	struct sockaddr_in6 *sin6;



	memset(&path_rec, 0, sizeof path_rec);

	ib_addr_get_sgid(addr, &path_rec.sgid);

	ib_addr_get_dgid(addr, &path_rec.dgid);

	path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(addr));

	ib_addr_get_sgid(&addr->dev_addr, &path_rec.sgid);

	ib_addr_get_dgid(&addr->dev_addr, &path_rec.dgid);

	path_rec.pkey = cpu_to_be16(ib_addr_get_pkey(&addr->dev_addr));

	path_rec.numb_path = 1;

	path_rec.reversible = 1;

	path_rec.service_id = cma_get_service_id(id_priv->id.ps, &addr->dst_addr);



	comp_mask = IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |

		    IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |

		    IB_SA_PATH_REC_REVERSIBLE | IB_SA_PATH_REC_SERVICE_ID;



	if (addr->src_addr.sa_family == AF_INET) {

		path_rec.qos_class = cpu_to_be16((u16) id_priv->tos);

		comp_mask |= IB_SA_PATH_REC_QOS_CLASS;

	} else {

		sin6 = (struct sockaddr_in6 *) &addr->src_addr;

		path_rec.traffic_class = (u8) (be32_to_cpu(sin6->sin6_flowinfo) >> 20);

		comp_mask |= IB_SA_PATH_REC_TRAFFIC_CLASS;

	}



	id_priv->query_id = ib_sa_path_rec_get(&sa_client, id_priv->id.device,

					       id_priv->id.port_num, &path_rec,

				IB_SA_PATH_REC_DGID | IB_SA_PATH_REC_SGID |

				IB_SA_PATH_REC_PKEY | IB_SA_PATH_REC_NUMB_PATH |

				IB_SA_PATH_REC_REVERSIBLE,

				timeout_ms, GFP_KERNEL,

				cma_query_handler, work, &id_priv->query);

					       comp_mask, timeout_ms,

					       GFP_KERNEL, cma_query_handler,

					       work, &id_priv->query);



	return (id_priv->query_id < 0) ? id_priv->query_id : 0;

}

drivers/infiniband/core/device.c

+2 −2
Original line number Diff line number Diff line
@@ -120,12 +120,12 @@ static struct ib_device *__ib_device_get_by_name(const char *name) 


static int alloc_name(char *name)

{

	long *inuse;

	unsigned long *inuse;

	char buf[IB_DEVICE_NAME_MAX];

	struct ib_device *device;

	int i;



	inuse = (long *) get_zeroed_page(GFP_KERNEL);

	inuse = (unsigned long *) get_zeroed_page(GFP_KERNEL);

	if (!inuse)

		return -ENOMEM;