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

Pull InfiniBand/RDMA changes from Roland Dreier:
 - XRC transport fixes
 - Fix DHCP on IPoIB
 - mlx4 preparations for flow steering
 - iSER fixes
 - miscellaneous other fixes

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (23 commits)
  IB/iser: Add support for iser CM REQ additional info
  IB/iser: Return error to upper layers on EAGAIN registration failures
  IB/iser: Move informational messages from error to info level
  IB/iser: Add module version
  mlx4_core: Expose a few helpers to fill DMFS HW strucutures
  mlx4_core: Directly expose fields of DMFS HW rule control segment
  mlx4_core: Change a few DMFS fields names to match firmare spec
  mlx4: Match DMFS promiscuous field names to firmware spec
  mlx4_core: Move DMFS HW structs to common header file
  IB/mlx4: Set link type for RAW PACKET QPs in the QP context
  IB/mlx4: Disable VLAN stripping for RAW PACKET QPs
  mlx4_core: Reduce warning message for SRQ_LIMIT event to debug level
  RDMA/iwcm: Don't touch cmid after dropping reference
  IB/qib: Correct qib_verbs_register_sysfs() error handling
  IB/ipath: Correct ipath_verbs_register_sysfs() error handling
  RDMA/cxgb4: Fix SQ allocation when on-chip SQ is disabled
  SRPT: Fix odd use of WARN_ON()
  IPoIB: Fix ipoib_hard_header() return value
  RDMA: Rename random32() to prandom_u32()
  RDMA/cxgb3: Fix uninitialized variable
  ...

drivers/infiniband/core/iwcm.c

@@ -878,6 +878,8 @@ static void cm_work_handler(struct work_struct *_work)
 			}
 			return;
 		}
+		if (empty)
+			return;
 		spin_lock_irqsave(&cm_id_priv->lock, flags);
 	}
 	spin_unlock_irqrestore(&cm_id_priv->lock, flags);

drivers/infiniband/core/verbs.c

@@ -348,6 +348,7 @@ static void __ib_shared_qp_event_handler(struct ib_event *event, void *context)
 	struct ib_qp *qp = context;
 
 	list_for_each_entry(event->element.qp, &qp->open_list, open_list)
+		if (event->element.qp->event_handler)
 			event->element.qp->event_handler(event, event->element.qp->qp_context);
 }
 

drivers/infiniband/hw/cxgb3/iwch_provider.c

@@ -559,7 +559,7 @@ static int iwch_reregister_phys_mem(struct ib_mr *mr,
 	__be64 *page_list = NULL;
 	int shift = 0;
 	u64 total_size;
-	int npages;
+	int npages = 0;
 	int ret;
 
 	PDBG("%s ib_mr %p ib_pd %p\n", __func__, mr, pd);

drivers/infiniband/hw/cxgb4/qp.c

@@ -111,6 +111,16 @@ static int alloc_host_sq(struct c4iw_rdev *rdev, struct t4_sq *sq)
 	return 0;
 }
 
+static int alloc_sq(struct c4iw_rdev *rdev, struct t4_sq *sq, int user)
+{
+	int ret = -ENOSYS;
+	if (user)
+		ret = alloc_oc_sq(rdev, sq);
+	if (ret)
+		ret = alloc_host_sq(rdev, sq);
+	return ret;
+}
+
 static int destroy_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
 		      struct c4iw_dev_ucontext *uctx)
 {
@@ -179,15 +189,9 @@ static int create_qp(struct c4iw_rdev *rdev, struct t4_wq *wq,
 		goto free_sw_rq;
 	}
 
-	if (user) {
-		if (alloc_oc_sq(rdev, &wq->sq) && alloc_host_sq(rdev, &wq->sq))
-			goto free_hwaddr;
-	} else {
-		ret = alloc_host_sq(rdev, &wq->sq);
+	ret = alloc_sq(rdev, &wq->sq, user);
 	if (ret)
 		goto free_hwaddr;
-	}
-
 	memset(wq->sq.queue, 0, wq->sq.memsize);
 	dma_unmap_addr_set(&wq->sq, mapping, wq->sq.dma_addr);
 

drivers/infiniband/hw/ipath/ipath_verbs.c

@@ -2187,7 +2187,8 @@ int ipath_register_ib_device(struct ipath_devdata *dd)
 	if (ret)
 		goto err_reg;
 
-	if (ipath_verbs_register_sysfs(dev))
+	ret = ipath_verbs_register_sysfs(dev);
+	if (ret)
 		goto err_class;
 
 	enable_timer(dd);
@@ -2327,15 +2328,15 @@ static int ipath_verbs_register_sysfs(struct ib_device *dev)
 	int i;
 	int ret;
 
-	for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
-		if (device_create_file(&dev->dev,
-				       ipath_class_attributes[i])) {
-			ret = 1;
+	for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i) {
+		ret = device_create_file(&dev->dev,
+				       ipath_class_attributes[i]);
+		if (ret)
 			goto bail;
 	}
-
-	ret = 0;
-
+	return 0;
 bail:
+	for (i = 0; i < ARRAY_SIZE(ipath_class_attributes); ++i)
+		device_remove_file(&dev->dev, ipath_class_attributes[i]);
 	return ret;
 }

drivers/infiniband/hw/mlx4/cq.c

@@ -33,6 +33,7 @@
 
 #include <linux/mlx4/cq.h>
 #include <linux/mlx4/qp.h>
+#include <linux/mlx4/srq.h>
 #include <linux/slab.h>
 
 #include "mlx4_ib.h"
@@ -585,6 +586,7 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
 	struct mlx4_qp *mqp;
 	struct mlx4_ib_wq *wq;
 	struct mlx4_ib_srq *srq;
+	struct mlx4_srq *msrq = NULL;
 	int is_send;
 	int is_error;
 	u32 g_mlpath_rqpn;
@@ -653,6 +655,20 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
 
 	wc->qp = &(*cur_qp)->ibqp;
 
+	if (wc->qp->qp_type == IB_QPT_XRC_TGT) {
+		u32 srq_num;
+		g_mlpath_rqpn = be32_to_cpu(cqe->g_mlpath_rqpn);
+		srq_num       = g_mlpath_rqpn & 0xffffff;
+		/* SRQ is also in the radix tree */
+		msrq = mlx4_srq_lookup(to_mdev(cq->ibcq.device)->dev,
+				       srq_num);
+		if (unlikely(!msrq)) {
+			pr_warn("CQ %06x with entry for unknown SRQN %06x\n",
+				cq->mcq.cqn, srq_num);
+			return -EINVAL;
+		}
+	}
+
 	if (is_send) {
 		wq = &(*cur_qp)->sq;
 		if (!(*cur_qp)->sq_signal_bits) {
@@ -666,6 +682,11 @@ static int mlx4_ib_poll_one(struct mlx4_ib_cq *cq,
 		wqe_ctr = be16_to_cpu(cqe->wqe_index);
 		wc->wr_id = srq->wrid[wqe_ctr];
 		mlx4_ib_free_srq_wqe(srq, wqe_ctr);
+	} else if (msrq) {
+		srq = to_mibsrq(msrq);
+		wqe_ctr = be16_to_cpu(cqe->wqe_index);
+		wc->wr_id = srq->wrid[wqe_ctr];
+		mlx4_ib_free_srq_wqe(srq, wqe_ctr);
 	} else {
 		wq	  = &(*cur_qp)->rq;
 		tail	  = wq->tail & (wq->wqe_cnt - 1);

drivers/infiniband/hw/mlx4/qp.c

@@ -1292,6 +1292,8 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
 	if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
 		context->sq_size_stride |= !!qp->sq_no_prefetch << 7;
 		context->xrcd = cpu_to_be32((u32) qp->xrcdn);
+		if (ibqp->qp_type == IB_QPT_RAW_PACKET)
+			context->param3 |= cpu_to_be32(1 << 30);
 	}
 
 	if (qp->ibqp.uobject)
@@ -1458,6 +1460,10 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
 		}
 	}
 
+	if (qp->ibqp.qp_type == IB_QPT_RAW_PACKET)
+		context->pri_path.ackto = (context->pri_path.ackto & 0xf8) |
+					MLX4_IB_LINK_TYPE_ETH;
+
 	if (cur_state == IB_QPS_RTS && new_state == IB_QPS_SQD	&&
 	    attr_mask & IB_QP_EN_SQD_ASYNC_NOTIFY && attr->en_sqd_async_notify)
 		sqd_event = 1;

drivers/infiniband/hw/qib/qib_sysfs.c

@@ -808,10 +808,14 @@ int qib_verbs_register_sysfs(struct qib_devdata *dd)
 	for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i) {
 		ret = device_create_file(&dev->dev, qib_attributes[i]);
 		if (ret)
-			return ret;
+			goto bail;
 	}
 
 	return 0;
+bail:
+	for (i = 0; i < ARRAY_SIZE(qib_attributes); ++i)
+		device_remove_file(&dev->dev, qib_attributes[i]);
+	return ret;
 }
 
 /*

drivers/infiniband/hw/qib/qib_verbs.c

@@ -2234,7 +2234,8 @@ int qib_register_ib_device(struct qib_devdata *dd)
 	if (ret)
 		goto err_agents;
 
-	if (qib_verbs_register_sysfs(dd))
+	ret = qib_verbs_register_sysfs(dd);
+	if (ret)
 		goto err_class;
 
 	goto bail;

drivers/infiniband/ulp/ipoib/ipoib_main.c

@@ -830,7 +830,7 @@ static int ipoib_hard_header(struct sk_buff *skb,
 	 */
 	memcpy(cb->hwaddr, daddr, INFINIBAND_ALEN);
 
-	return 0;
+	return sizeof *header;
 }
 
 static void ipoib_set_mcast_list(struct net_device *dev)

drivers/infiniband/ulp/iser/iscsi_iser.c

@@ -82,10 +82,10 @@ module_param_named(max_lun, iscsi_max_lun, uint, S_IRUGO);
 
 int iser_debug_level = 0;
 
-MODULE_DESCRIPTION("iSER (iSCSI Extensions for RDMA) Datamover "
-		   "v" DRV_VER " (" DRV_DATE ")");
+MODULE_DESCRIPTION("iSER (iSCSI Extensions for RDMA) Datamover");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_AUTHOR("Alex Nezhinsky, Dan Bar Dov, Or Gerlitz");
+MODULE_VERSION(DRV_VER);
 
 module_param_named(debug_level, iser_debug_level, int, 0644);
 MODULE_PARM_DESC(debug_level, "Enable debug tracing if > 0 (default:disabled)");
@@ -370,7 +370,7 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
 	/* binds the iSER connection retrieved from the previously
 	 * connected ep_handle to the iSCSI layer connection. exchanges
 	 * connection pointers */
-	iser_err("binding iscsi/iser conn %p %p to ib_conn %p\n",
+	iser_info("binding iscsi/iser conn %p %p to ib_conn %p\n",
 		  conn, conn->dd_data, ib_conn);
 	iser_conn = conn->dd_data;
 	ib_conn->iser_conn = iser_conn;
@@ -475,28 +475,28 @@ iscsi_iser_set_param(struct iscsi_cls_conn *cls_conn,
 	case ISCSI_PARAM_HDRDGST_EN:
 		sscanf(buf, "%d", &value);
 		if (value) {
-			printk(KERN_ERR "DataDigest wasn't negotiated to None");
+			iser_err("DataDigest wasn't negotiated to None");
 			return -EPROTO;
 		}
 		break;
 	case ISCSI_PARAM_DATADGST_EN:
 		sscanf(buf, "%d", &value);
 		if (value) {
-			printk(KERN_ERR "DataDigest wasn't negotiated to None");
+			iser_err("DataDigest wasn't negotiated to None");
 			return -EPROTO;
 		}
 		break;
 	case ISCSI_PARAM_IFMARKER_EN:
 		sscanf(buf, "%d", &value);
 		if (value) {
-			printk(KERN_ERR "IFMarker wasn't negotiated to No");
+			iser_err("IFMarker wasn't negotiated to No");
 			return -EPROTO;
 		}
 		break;
 	case ISCSI_PARAM_OFMARKER_EN:
 		sscanf(buf, "%d", &value);
 		if (value) {
-			printk(KERN_ERR "OFMarker wasn't negotiated to No");
+			iser_err("OFMarker wasn't negotiated to No");
 			return -EPROTO;
 		}
 		break;
@@ -596,7 +596,7 @@ iscsi_iser_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
 	     ib_conn->state == ISER_CONN_DOWN))
 		rc = -1;
 
-	iser_err("ib conn %p rc = %d\n", ib_conn, rc);
+	iser_info("ib conn %p rc = %d\n", ib_conn, rc);
 
 	if (rc > 0)
 		return 1; /* success, this is the equivalent of POLLOUT */
@@ -623,7 +623,7 @@ iscsi_iser_ep_disconnect(struct iscsi_endpoint *ep)
 		iscsi_suspend_tx(ib_conn->iser_conn->iscsi_conn);
 
 
-	iser_err("ib conn %p state %d\n",ib_conn, ib_conn->state);
+	iser_info("ib conn %p state %d\n", ib_conn, ib_conn->state);
 	iser_conn_terminate(ib_conn);
 }
 
@@ -682,7 +682,7 @@ static umode_t iser_attr_is_visible(int param_type, int param)
 
 static struct scsi_host_template iscsi_iser_sht = {
 	.module                 = THIS_MODULE,
-	.name                   = "iSCSI Initiator over iSER, v." DRV_VER,
+	.name                   = "iSCSI Initiator over iSER",
 	.queuecommand           = iscsi_queuecommand,
 	.change_queue_depth	= iscsi_change_queue_depth,
 	.sg_tablesize           = ISCSI_ISER_SG_TABLESIZE,
@@ -740,7 +740,7 @@ static int __init iser_init(void)
 	iser_dbg("Starting iSER datamover...\n");
 
 	if (iscsi_max_lun < 1) {
-		printk(KERN_ERR "Invalid max_lun value of %u\n", iscsi_max_lun);
+		iser_err("Invalid max_lun value of %u\n", iscsi_max_lun);
 		return -EINVAL;
 	}
 

drivers/infiniband/ulp/iser/iscsi_iser.h

@@ -42,6 +42,7 @@
 
 #include <linux/types.h>
 #include <linux/net.h>
+#include <linux/printk.h>
 #include <scsi/libiscsi.h>
 #include <scsi/scsi_transport_iscsi.h>
 
@@ -65,20 +66,26 @@
 
 #define DRV_NAME	"iser"
 #define PFX		DRV_NAME ": "
-#define DRV_VER		"0.1"
-#define DRV_DATE	"May 7th, 2006"
+#define DRV_VER		"1.1"
 
 #define iser_dbg(fmt, arg...)				\
 	do {						\
-		if (iser_debug_level > 1)		\
+		if (iser_debug_level > 2)		\
 			printk(KERN_DEBUG PFX "%s:" fmt,\
 				__func__ , ## arg);	\
 	} while (0)
 
 #define iser_warn(fmt, arg...)				\
+	do {						\
+		if (iser_debug_level > 1)		\
+			pr_warn(PFX "%s:" fmt,          \
+				__func__ , ## arg);	\
+	} while (0)
+
+#define iser_info(fmt, arg...)				\
 	do {						\
 		if (iser_debug_level > 0)		\
-			printk(KERN_DEBUG PFX "%s:" fmt,\
+			pr_info(PFX "%s:" fmt,          \
 				__func__ , ## arg);	\
 	} while (0)
 
@@ -133,6 +140,15 @@ struct iser_hdr {
 	__be64  read_va;
 } __attribute__((packed));
 
+
+#define ISER_ZBVA_NOT_SUPPORTED		0x80
+#define ISER_SEND_W_INV_NOT_SUPPORTED	0x40
+
+struct iser_cm_hdr {
+	u8      flags;
+	u8      rsvd[3];
+} __packed;
+
 /* Constant PDU lengths calculations */
 #define ISER_HEADERS_LEN  (sizeof(struct iser_hdr) + sizeof(struct iscsi_hdr))
 

drivers/infiniband/ulp/iser/iser_memory.c

@@ -416,8 +416,9 @@ int iser_reg_rdma_mem(struct iscsi_iser_task *iser_task,
 			for (i=0 ; i<ib_conn->page_vec->length ; i++)
 				iser_err("page_vec[%d] = 0x%llx\n", i,
 					 (unsigned long long) ib_conn->page_vec->pages[i]);
-			return err;
 		}
+		if (err)
+			return err;
 	}
 	return 0;
 }

drivers/infiniband/ulp/iser/iser_verbs.c

@@ -74,8 +74,9 @@ static int iser_create_device_ib_res(struct iser_device *device)
 	struct iser_cq_desc *cq_desc;
 
 	device->cqs_used = min(ISER_MAX_CQ, device->ib_device->num_comp_vectors);
-	iser_err("using %d CQs, device %s supports %d vectors\n", device->cqs_used,
-		 device->ib_device->name, device->ib_device->num_comp_vectors);
+	iser_info("using %d CQs, device %s supports %d vectors\n",
+		  device->cqs_used, device->ib_device->name,
+		  device->ib_device->num_comp_vectors);
 
 	device->cq_desc = kmalloc(sizeof(struct iser_cq_desc) * device->cqs_used,
 				  GFP_KERNEL);
@@ -262,7 +263,7 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
 			min_index = index;
 	device->cq_active_qps[min_index]++;
 	mutex_unlock(&ig.connlist_mutex);
-	iser_err("cq index %d used for ib_conn %p\n", min_index, ib_conn);
+	iser_info("cq index %d used for ib_conn %p\n", min_index, ib_conn);
 
 	init_attr.event_handler = iser_qp_event_callback;
 	init_attr.qp_context	= (void *)ib_conn;
@@ -280,7 +281,7 @@ static int iser_create_ib_conn_res(struct iser_conn *ib_conn)
 		goto out_err;
 
 	ib_conn->qp = ib_conn->cma_id->qp;
-	iser_err("setting conn %p cma_id %p: fmr_pool %p qp %p\n",
+	iser_info("setting conn %p cma_id %p: fmr_pool %p qp %p\n",
 		  ib_conn, ib_conn->cma_id,
 		  ib_conn->fmr_pool, ib_conn->cma_id->qp);
 	return ret;
@@ -299,7 +300,7 @@ static int iser_free_ib_conn_res(struct iser_conn *ib_conn, int can_destroy_id)
 	int cq_index;
 	BUG_ON(ib_conn == NULL);
 
-	iser_err("freeing conn %p cma_id %p fmr pool %p qp %p\n",
+	iser_info("freeing conn %p cma_id %p fmr pool %p qp %p\n",
 		  ib_conn, ib_conn->cma_id,
 		  ib_conn->fmr_pool, ib_conn->qp);
 
@@ -379,7 +380,7 @@ static void iser_device_try_release(struct iser_device *device)
 {
 	mutex_lock(&ig.device_list_mutex);
 	device->refcount--;
-	iser_err("device %p refcount %d\n",device,device->refcount);
+	iser_info("device %p refcount %d\n", device, device->refcount);
 	if (!device->refcount) {
 		iser_free_device_ib_res(device);
 		list_del(&device->ig_list);
@@ -498,6 +499,7 @@ static int iser_route_handler(struct rdma_cm_id *cma_id)
 {
 	struct rdma_conn_param conn_param;
 	int    ret;
+	struct iser_cm_hdr req_hdr;
 
 	ret = iser_create_ib_conn_res((struct iser_conn *)cma_id->context);
 	if (ret)
@@ -509,6 +511,12 @@ static int iser_route_handler(struct rdma_cm_id *cma_id)
 	conn_param.retry_count	       = 7;
 	conn_param.rnr_retry_count     = 6;
 
+	memset(&req_hdr, 0, sizeof(req_hdr));
+	req_hdr.flags = (ISER_ZBVA_NOT_SUPPORTED |
+			ISER_SEND_W_INV_NOT_SUPPORTED);
+	conn_param.private_data		= (void *)&req_hdr;
+	conn_param.private_data_len	= sizeof(struct iser_cm_hdr);
+
 	ret = rdma_connect(cma_id, &conn_param);
 	if (ret) {
 		iser_err("failure connecting: %d\n", ret);
@@ -558,7 +566,7 @@ static int iser_cma_handler(struct rdma_cm_id *cma_id, struct rdma_cm_event *eve
 {
 	int ret = 0;
 
-	iser_err("event %d status %d conn %p id %p\n",
+	iser_info("event %d status %d conn %p id %p\n",
 		  event->event, event->status, cma_id->context, cma_id);
 
 	switch (event->event) {
@@ -619,7 +627,7 @@ int iser_connect(struct iser_conn   *ib_conn,
 	/* the device is known only --after-- address resolution */
 	ib_conn->device = NULL;
 
-	iser_err("connecting to: %pI4, port 0x%x\n",
+	iser_info("connecting to: %pI4, port 0x%x\n",
 		  &dst_addr->sin_addr, dst_addr->sin_port);
 
 	ib_conn->state = ISER_CONN_PENDING;

drivers/infiniband/ulp/srpt/ib_srpt.c

@@ -1374,7 +1374,7 @@ static int srpt_abort_cmd(struct srpt_send_ioctx *ioctx)
 		target_put_sess_cmd(ioctx->ch->sess, &ioctx->cmd);
 		break;
 	default:
-		WARN_ON("ERROR: unexpected command state");
+		WARN(1, "Unexpected command state (%d)", state);
 		break;
 	}
 

drivers/net/ethernet/mellanox/mlx4/en_ethtool.c

@@ -889,7 +889,7 @@ static int mlx4_en_flow_replace(struct net_device *dev,
 		.queue_mode = MLX4_NET_TRANS_Q_FIFO,
 		.exclusive = 0,
 		.allow_loopback = 1,
-		.promisc_mode = MLX4_FS_PROMISC_NONE,
+		.promisc_mode = MLX4_FS_REGULAR,
 	};
 
 	rule.port = priv->port;

drivers/net/ethernet/mellanox/mlx4/en_netdev.c

@@ -127,7 +127,7 @@ static void mlx4_en_filter_work(struct work_struct *work)
 		.queue_mode = MLX4_NET_TRANS_Q_LIFO,
 		.exclusive = 1,
 		.allow_loopback = 1,
-		.promisc_mode = MLX4_FS_PROMISC_NONE,
+		.promisc_mode = MLX4_FS_REGULAR,
 		.port = priv->port,
 		.priority = MLX4_DOMAIN_RFS,
 	};
@@ -448,7 +448,7 @@ static int mlx4_en_uc_steer_add(struct mlx4_en_priv *priv,
 			.queue_mode = MLX4_NET_TRANS_Q_FIFO,
 			.exclusive = 0,
 			.allow_loopback = 1,
-			.promisc_mode = MLX4_FS_PROMISC_NONE,
+			.promisc_mode = MLX4_FS_REGULAR,
 			.priority = MLX4_DOMAIN_NIC,
 		};
 
@@ -795,7 +795,7 @@ static void mlx4_en_set_promisc_mode(struct mlx4_en_priv *priv,
 			err = mlx4_flow_steer_promisc_add(mdev->dev,
 							  priv->port,
 							  priv->base_qpn,
-							  MLX4_FS_PROMISC_UPLINK);
+							  MLX4_FS_ALL_DEFAULT);
 			if (err)
 				en_err(priv, "Failed enabling promiscuous mode\n");
 			priv->flags |= MLX4_EN_FLAG_MC_PROMISC;
@@ -858,7 +858,7 @@ static void mlx4_en_clear_promisc_mode(struct mlx4_en_priv *priv,
 	case MLX4_STEERING_MODE_DEVICE_MANAGED:
 		err = mlx4_flow_steer_promisc_remove(mdev->dev,
 						     priv->port,
-						     MLX4_FS_PROMISC_UPLINK);
+						     MLX4_FS_ALL_DEFAULT);
 		if (err)
 			en_err(priv, "Failed disabling promiscuous mode\n");
 		priv->flags &= ~MLX4_EN_FLAG_MC_PROMISC;
@@ -919,7 +919,7 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
 				err = mlx4_flow_steer_promisc_add(mdev->dev,
 								  priv->port,
 								  priv->base_qpn,
-								  MLX4_FS_PROMISC_ALL_MULTI);
+								  MLX4_FS_MC_DEFAULT);
 				break;
 
 			case MLX4_STEERING_MODE_B0:
@@ -942,7 +942,7 @@ static void mlx4_en_do_multicast(struct mlx4_en_priv *priv,
 			case MLX4_STEERING_MODE_DEVICE_MANAGED:
 				err = mlx4_flow_steer_promisc_remove(mdev->dev,
 								     priv->port,
-								     MLX4_FS_PROMISC_ALL_MULTI);
+								     MLX4_FS_MC_DEFAULT);
 				break;
 
 			case MLX4_STEERING_MODE_B0:
@@ -1621,10 +1621,10 @@ void mlx4_en_stop_port(struct net_device *dev, int detach)
 				 MLX4_EN_FLAG_MC_PROMISC);
 		mlx4_flow_steer_promisc_remove(mdev->dev,
 					       priv->port,
-					       MLX4_FS_PROMISC_UPLINK);
+					       MLX4_FS_ALL_DEFAULT);
 		mlx4_flow_steer_promisc_remove(mdev->dev,
 					       priv->port,
-					       MLX4_FS_PROMISC_ALL_MULTI);
+					       MLX4_FS_MC_DEFAULT);
 	} else if (priv->flags & MLX4_EN_FLAG_PROMISC) {
 		priv->flags &= ~MLX4_EN_FLAG_PROMISC;
 

drivers/net/ethernet/mellanox/mlx4/eq.c

@@ -497,7 +497,7 @@ static int mlx4_eq_int(struct mlx4_dev *dev, struct mlx4_eq *eq)
 			break;
 
 		case MLX4_EVENT_TYPE_SRQ_LIMIT:
-			mlx4_warn(dev, "%s: MLX4_EVENT_TYPE_SRQ_LIMIT\n",
+			mlx4_dbg(dev, "%s: MLX4_EVENT_TYPE_SRQ_LIMIT\n",
 				 __func__);
 		case MLX4_EVENT_TYPE_SRQ_CATAS_ERROR:
 			if (mlx4_is_master(dev)) {

drivers/net/ethernet/mellanox/mlx4/mcg.c

@@ -645,25 +645,37 @@ static int find_entry(struct mlx4_dev *dev, u8 port,
 	return err;
 }
 
+static const u8 __promisc_mode[] = {
+	[MLX4_FS_REGULAR]   = 0x0,
+	[MLX4_FS_ALL_DEFAULT] = 0x1,
+	[MLX4_FS_MC_DEFAULT] = 0x3,
+	[MLX4_FS_UC_SNIFFER] = 0x4,
+	[MLX4_FS_MC_SNIFFER] = 0x5,
+};
+
+int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
+				    enum mlx4_net_trans_promisc_mode flow_type)
+{
+	if (flow_type >= MLX4_FS_MODE_NUM || flow_type < 0) {
+		mlx4_err(dev, "Invalid flow type. type = %d\n", flow_type);
+		return -EINVAL;
+	}
+	return __promisc_mode[flow_type];
+}
+EXPORT_SYMBOL_GPL(mlx4_map_sw_to_hw_steering_mode);
+
 static void trans_rule_ctrl_to_hw(struct mlx4_net_trans_rule *ctrl,
 				  struct mlx4_net_trans_rule_hw_ctrl *hw)
 {
-	static const u8 __promisc_mode[] = {
-		[MLX4_FS_PROMISC_NONE]   = 0x0,
-		[MLX4_FS_PROMISC_UPLINK] = 0x1,
-		[MLX4_FS_PROMISC_FUNCTION_PORT] = 0x2,
-		[MLX4_FS_PROMISC_ALL_MULTI] = 0x3,
-	};
-
-	u32 dw = 0;
+	u8 flags = 0;
 
-	dw = ctrl->queue_mode == MLX4_NET_TRANS_Q_LIFO ? 1 : 0;
-	dw |= ctrl->exclusive ? (1 << 2) : 0;
-	dw |= ctrl->allow_loopback ? (1 << 3) : 0;
-	dw |= __promisc_mode[ctrl->promisc_mode] << 8;
-	dw |= ctrl->priority << 16;
+	flags = ctrl->queue_mode == MLX4_NET_TRANS_Q_LIFO ? 1 : 0;
+	flags |= ctrl->exclusive ? (1 << 2) : 0;
+	flags |= ctrl->allow_loopback ? (1 << 3) : 0;
 
-	hw->ctrl = cpu_to_be32(dw);
+	hw->flags = flags;
+	hw->type = __promisc_mode[ctrl->promisc_mode];
+	hw->prio = cpu_to_be16(ctrl->priority);
 	hw->port = ctrl->port;
 	hw->qpn = cpu_to_be32(ctrl->qpn);
 }
@@ -677,10 +689,18 @@ const u16 __sw_id_hw[] = {
 	[MLX4_NET_TRANS_RULE_ID_UDP]     = 0xE006
 };
 
-static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec,
-			    struct _rule_hw *rule_hw)
+int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
+				  enum mlx4_net_trans_rule_id id)
 {
-	static const size_t __rule_hw_sz[] = {
+	if (id >= MLX4_NET_TRANS_RULE_NUM || id < 0) {
+		mlx4_err(dev, "Invalid network rule id. id = %d\n", id);
+		return -EINVAL;
+	}
+	return __sw_id_hw[id];
+}
+EXPORT_SYMBOL_GPL(mlx4_map_sw_to_hw_steering_id);
+
+static const int __rule_hw_sz[] = {
 	[MLX4_NET_TRANS_RULE_ID_ETH] =
 		sizeof(struct mlx4_net_trans_rule_hw_eth),
 	[MLX4_NET_TRANS_RULE_ID_IB] =
@@ -692,14 +712,28 @@ static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec,
 		sizeof(struct mlx4_net_trans_rule_hw_tcp_udp),
 	[MLX4_NET_TRANS_RULE_ID_UDP] =
 		sizeof(struct mlx4_net_trans_rule_hw_tcp_udp)
-	};
-	if (spec->id >= MLX4_NET_TRANS_RULE_NUM) {
-		mlx4_err(dev, "Invalid network rule id. id = %d\n", spec->id);
+};
+
+int mlx4_hw_rule_sz(struct mlx4_dev *dev,
+	       enum mlx4_net_trans_rule_id id)
+{
+	if (id >= MLX4_NET_TRANS_RULE_NUM || id < 0) {
+		mlx4_err(dev, "Invalid network rule id. id = %d\n", id);
 		return -EINVAL;
 	}
-	memset(rule_hw, 0, __rule_hw_sz[spec->id]);
+
+	return __rule_hw_sz[id];
+}
+EXPORT_SYMBOL_GPL(mlx4_hw_rule_sz);
+
+static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec,
+			    struct _rule_hw *rule_hw)
+{
+	if (mlx4_hw_rule_sz(dev, spec->id) < 0)
+		return -EINVAL;
+	memset(rule_hw, 0, mlx4_hw_rule_sz(dev, spec->id));
 	rule_hw->id = cpu_to_be16(__sw_id_hw[spec->id]);
-	rule_hw->size = __rule_hw_sz[spec->id] >> 2;
+	rule_hw->size = mlx4_hw_rule_sz(dev, spec->id) >> 2;
 
 	switch (spec->id) {
 	case MLX4_NET_TRANS_RULE_ID_ETH:
@@ -713,12 +747,12 @@ static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec,
 			rule_hw->eth.ether_type_enable = 1;
 			rule_hw->eth.ether_type = spec->eth.ether_type;
 		}
-		rule_hw->eth.vlan_id = spec->eth.vlan_id;
-		rule_hw->eth.vlan_id_msk = spec->eth.vlan_id_msk;
+		rule_hw->eth.vlan_tag = spec->eth.vlan_id;
+		rule_hw->eth.vlan_tag_msk = spec->eth.vlan_id_msk;
 		break;
 
 	case MLX4_NET_TRANS_RULE_ID_IB:
-		rule_hw->ib.qpn = spec->ib.r_qpn;
+		rule_hw->ib.l3_qpn = spec->ib.l3_qpn;
 		rule_hw->ib.qpn_mask = spec->ib.qpn_msk;
 		memcpy(&rule_hw->ib.dst_gid, &spec->ib.dst_gid, 16);
 		memcpy(&rule_hw->ib.dst_gid_msk, &spec->ib.dst_gid_msk, 16);
@@ -1136,7 +1170,7 @@ int mlx4_trans_to_dmfs_attach(struct mlx4_dev *dev, struct mlx4_qp *qp,
 		struct mlx4_net_trans_rule rule = {
 			.queue_mode = MLX4_NET_TRANS_Q_FIFO,
 			.exclusive = 0,
-			.promisc_mode = MLX4_FS_PROMISC_NONE,
+			.promisc_mode = MLX4_FS_REGULAR,
 			.priority = MLX4_DOMAIN_NIC,
 		};
 
@@ -1229,11 +1263,10 @@ int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port,
 	u64 *regid_p;
 
 	switch (mode) {
-	case MLX4_FS_PROMISC_UPLINK:
-	case MLX4_FS_PROMISC_FUNCTION_PORT:
+	case MLX4_FS_ALL_DEFAULT:
 		regid_p = &dev->regid_promisc_array[port];
 		break;
-	case MLX4_FS_PROMISC_ALL_MULTI:
+	case MLX4_FS_MC_DEFAULT:
 		regid_p = &dev->regid_allmulti_array[port];
 		break;
 	default:
@@ -1260,11 +1293,10 @@ int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
 	u64 *regid_p;
 
 	switch (mode) {
-	case MLX4_FS_PROMISC_UPLINK:
-	case MLX4_FS_PROMISC_FUNCTION_PORT:
+	case MLX4_FS_ALL_DEFAULT:
 		regid_p = &dev->regid_promisc_array[port];
 		break;
-	case MLX4_FS_PROMISC_ALL_MULTI:
+	case MLX4_FS_MC_DEFAULT:
 		regid_p = &dev->regid_allmulti_array[port];
 		break;
 	default:

drivers/net/ethernet/mellanox/mlx4/mlx4.h

@@ -730,85 +730,6 @@ struct mlx4_steer {
 	struct list_head steer_entries[MLX4_NUM_STEERS];
 };
 
-struct mlx4_net_trans_rule_hw_ctrl {
-	__be32 ctrl;
-	u8 rsvd1;
-	u8 funcid;
-	u8 vep;
-	u8 port;
-	__be32 qpn;
-	__be32 rsvd2;
-};
-
-struct mlx4_net_trans_rule_hw_ib {
-	u8 size;
-	u8 rsvd1;
-	__be16 id;
-	u32 rsvd2;
-	__be32 qpn;
-	__be32 qpn_mask;
-	u8 dst_gid[16];
-	u8 dst_gid_msk[16];
-} __packed;
-
-struct mlx4_net_trans_rule_hw_eth {
-	u8	size;
-	u8	rsvd;
-	__be16	id;
-	u8	rsvd1[6];
-	u8	dst_mac[6];
-	u16	rsvd2;
-	u8	dst_mac_msk[6];
-	u16	rsvd3;
-	u8	src_mac[6];
-	u16	rsvd4;
-	u8	src_mac_msk[6];
-	u8      rsvd5;
-	u8      ether_type_enable;
-	__be16  ether_type;
-	__be16  vlan_id_msk;
-	__be16  vlan_id;
-} __packed;
-
-struct mlx4_net_trans_rule_hw_tcp_udp {
-	u8	size;
-	u8	rsvd;
-	__be16	id;
-	__be16	rsvd1[3];
-	__be16	dst_port;
-	__be16	rsvd2;
-	__be16	dst_port_msk;
-	__be16	rsvd3;
-	__be16	src_port;
-	__be16	rsvd4;
-	__be16	src_port_msk;
-} __packed;
-
-struct mlx4_net_trans_rule_hw_ipv4 {
-	u8	size;
-	u8	rsvd;
-	__be16	id;
-	__be32	rsvd1;
-	__be32	dst_ip;
-	__be32	dst_ip_msk;
-	__be32	src_ip;
-	__be32	src_ip_msk;
-} __packed;
-
-struct _rule_hw {
-	union {
-		struct {
-			u8 size;
-			u8 rsvd;
-			__be16 id;
-		};
-		struct mlx4_net_trans_rule_hw_eth eth;
-		struct mlx4_net_trans_rule_hw_ib ib;
-		struct mlx4_net_trans_rule_hw_ipv4 ipv4;
-		struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
-	};
-};
-
 enum {
 	MLX4_PCI_DEV_IS_VF		= 1 << 0,
 	MLX4_PCI_DEV_FORCE_SENSE_PORT	= 1 << 1,

drivers/net/ethernet/mellanox/mlx4/srq.c

@@ -298,3 +298,18 @@ void mlx4_cleanup_srq_table(struct mlx4_dev *dev)
 		return;
 	mlx4_bitmap_cleanup(&mlx4_priv(dev)->srq_table.bitmap);
 }
+
+struct mlx4_srq *mlx4_srq_lookup(struct mlx4_dev *dev, u32 srqn)
+{
+	struct mlx4_srq_table *srq_table = &mlx4_priv(dev)->srq_table;
+	struct mlx4_srq *srq;
+	unsigned long flags;
+
+	spin_lock_irqsave(&srq_table->lock, flags);
+	srq = radix_tree_lookup(&srq_table->tree,
+				srqn & (dev->caps.num_srqs - 1));
+	spin_unlock_irqrestore(&srq_table->lock, flags);
+
+	return srq;
+}
+EXPORT_SYMBOL_GPL(mlx4_srq_lookup);

include/linux/mlx4/device.h

@@ -903,11 +903,12 @@ static inline int map_hw_to_sw_id(u16 header_id)
 }
 
 enum mlx4_net_trans_promisc_mode {
-	MLX4_FS_PROMISC_NONE = 0,
-	MLX4_FS_PROMISC_UPLINK,
-	/* For future use. Not implemented yet */
-	MLX4_FS_PROMISC_FUNCTION_PORT,
-	MLX4_FS_PROMISC_ALL_MULTI,
+	MLX4_FS_REGULAR = 1,
+	MLX4_FS_ALL_DEFAULT,
+	MLX4_FS_MC_DEFAULT,
+	MLX4_FS_UC_SNIFFER,
+	MLX4_FS_MC_SNIFFER,
+	MLX4_FS_MODE_NUM, /* should be last */
 };
 
 struct mlx4_spec_eth {
@@ -936,7 +937,7 @@ struct mlx4_spec_ipv4 {
 };
 
 struct mlx4_spec_ib {
-	__be32	r_qpn;
+	__be32  l3_qpn;
 	__be32	qpn_msk;
 	u8	dst_gid[16];
 	u8	dst_gid_msk[16];
@@ -969,6 +970,92 @@ struct mlx4_net_trans_rule {
 	u32	qpn;
 };
 
+struct mlx4_net_trans_rule_hw_ctrl {
+	__be16 prio;
+	u8 type;
+	u8 flags;
+	u8 rsvd1;
+	u8 funcid;
+	u8 vep;
+	u8 port;
+	__be32 qpn;
+	__be32 rsvd2;
+};
+
+struct mlx4_net_trans_rule_hw_ib {
+	u8 size;
+	u8 rsvd1;
+	__be16 id;
+	u32 rsvd2;
+	__be32 l3_qpn;
+	__be32 qpn_mask;
+	u8 dst_gid[16];
+	u8 dst_gid_msk[16];
+} __packed;
+
+struct mlx4_net_trans_rule_hw_eth {
+	u8	size;
+	u8	rsvd;
+	__be16	id;
+	u8	rsvd1[6];
+	u8	dst_mac[6];
+	u16	rsvd2;
+	u8	dst_mac_msk[6];
+	u16	rsvd3;
+	u8	src_mac[6];
+	u16	rsvd4;
+	u8	src_mac_msk[6];
+	u8      rsvd5;
+	u8      ether_type_enable;
+	__be16  ether_type;
+	__be16  vlan_tag_msk;
+	__be16  vlan_tag;
+} __packed;
+
+struct mlx4_net_trans_rule_hw_tcp_udp {
+	u8	size;
+	u8	rsvd;
+	__be16	id;
+	__be16	rsvd1[3];
+	__be16	dst_port;
+	__be16	rsvd2;
+	__be16	dst_port_msk;
+	__be16	rsvd3;
+	__be16	src_port;
+	__be16	rsvd4;
+	__be16	src_port_msk;
+} __packed;
+
+struct mlx4_net_trans_rule_hw_ipv4 {
+	u8	size;
+	u8	rsvd;
+	__be16	id;
+	__be32	rsvd1;
+	__be32	dst_ip;
+	__be32	dst_ip_msk;
+	__be32	src_ip;
+	__be32	src_ip_msk;
+} __packed;
+
+struct _rule_hw {
+	union {
+		struct {
+			u8 size;
+			u8 rsvd;
+			__be16 id;
+		};
+		struct mlx4_net_trans_rule_hw_eth eth;
+		struct mlx4_net_trans_rule_hw_ib ib;
+		struct mlx4_net_trans_rule_hw_ipv4 ipv4;
+		struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp;
+	};
+};
+
+/* translating DMFS verbs sniffer rule to the FW API would need two reg IDs */
+struct mlx4_flow_handle {
+	u64 reg_id[2];
+};
+
 int mlx4_flow_steer_promisc_add(struct mlx4_dev *dev, u8 port, u32 qpn,
 				enum mlx4_net_trans_promisc_mode mode);
 int mlx4_flow_steer_promisc_remove(struct mlx4_dev *dev, u8 port,
@@ -1018,6 +1105,11 @@ void mlx4_counter_free(struct mlx4_dev *dev, u32 idx);
 int mlx4_flow_attach(struct mlx4_dev *dev,
 		     struct mlx4_net_trans_rule *rule, u64 *reg_id);
 int mlx4_flow_detach(struct mlx4_dev *dev, u64 reg_id);
+int mlx4_map_sw_to_hw_steering_mode(struct mlx4_dev *dev,
+				    enum mlx4_net_trans_promisc_mode flow_type);
+int mlx4_map_sw_to_hw_steering_id(struct mlx4_dev *dev,
+				  enum mlx4_net_trans_rule_id id);
+int mlx4_hw_rule_sz(struct mlx4_dev *dev, enum mlx4_net_trans_rule_id id);
 
 void mlx4_sync_pkey_table(struct mlx4_dev *dev, int slave, int port,
 			  int i, int val);

include/linux/mlx4/srq.h

@@ -39,4 +39,6 @@ struct mlx4_wqe_srq_next_seg {
 	u32			reserved2[3];
 };
 
+struct mlx4_srq *mlx4_srq_lookup(struct mlx4_dev *dev, u32 srqn);
+
 #endif /* MLX4_SRQ_H */