Merge branches 'mlx4', 'mlx5' and 'ocrdma' into k.o/for-4.6

drivers/infiniband/core/cma.c

@@ -1206,13 +1206,21 @@ static int cma_save_req_info(const struct ib_cm_event *ib_event,
 		req->has_gid	= true;
 		req->service_id	= req_param->primary_path->service_id;
 		req->pkey	= be16_to_cpu(req_param->primary_path->pkey);
+		if (req->pkey != req_param->bth_pkey)
+			pr_warn_ratelimited("RDMA CMA: got different BTH P_Key (0x%x) and primary path P_Key (0x%x)\n"
+					    "RDMA CMA: in the future this may cause the request to be dropped\n",
+					    req_param->bth_pkey, req->pkey);
 		break;
 	case IB_CM_SIDR_REQ_RECEIVED:
 		req->device	= sidr_param->listen_id->device;
 		req->port	= sidr_param->port;
 		req->has_gid	= false;
 		req->service_id	= sidr_param->service_id;
 		req->pkey	= sidr_param->pkey;
+		if (req->pkey != sidr_param->bth_pkey)
+			pr_warn_ratelimited("RDMA CMA: got different BTH P_Key (0x%x) and SIDR request payload P_Key (0x%x)\n"
+					    "RDMA CMA: in the future this may cause the request to be dropped\n",
+					    sidr_param->bth_pkey, req->pkey);
 		break;
 	default:
 		return -EINVAL;

drivers/infiniband/core/uverbs_cmd.c

@@ -1174,6 +1174,7 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file,
 	struct ib_uobject             *uobj;
 	struct ib_pd                  *pd;
 	struct ib_mw                  *mw;
+	struct ib_udata		       udata;
 	int                            ret;
 
 	if (out_len < sizeof(resp))
@@ -1195,7 +1196,12 @@ ssize_t ib_uverbs_alloc_mw(struct ib_uverbs_file *file,
 		goto err_free;
 	}
 
-	mw = pd->device->alloc_mw(pd, cmd.mw_type);
+	INIT_UDATA(&udata, buf + sizeof(cmd),
+		   (unsigned long)cmd.response + sizeof(resp),
+		   in_len - sizeof(cmd) - sizeof(struct ib_uverbs_cmd_hdr),
+		   out_len - sizeof(resp));
+
+	mw = pd->device->alloc_mw(pd, cmd.mw_type, &udata);
 	if (IS_ERR(mw)) {
 		ret = PTR_ERR(mw);
 		goto err_put;
@@ -3086,6 +3092,14 @@ int ib_uverbs_ex_create_flow(struct ib_uverbs_file *file,
 	     !capable(CAP_NET_ADMIN)) || !capable(CAP_NET_RAW))
 		return -EPERM;
 
+	if (cmd.flow_attr.flags >= IB_FLOW_ATTR_FLAGS_RESERVED)
+		return -EINVAL;
+
+	if ((cmd.flow_attr.flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) &&
+	    ((cmd.flow_attr.type == IB_FLOW_ATTR_ALL_DEFAULT) ||
+	     (cmd.flow_attr.type == IB_FLOW_ATTR_MC_DEFAULT)))
+		return -EINVAL;
+
 	if (cmd.flow_attr.num_of_specs > IB_FLOW_SPEC_SUPPORT_LAYERS)
 		return -EINVAL;
 

drivers/infiniband/core/verbs.c

@@ -1567,6 +1567,8 @@ EXPORT_SYMBOL(ib_check_mr_status);
  * - The last sg element is allowed to have length less than page_size.
  * - If sg_nents total byte length exceeds the mr max_num_sge * page_size
  *   then only max_num_sg entries will be mapped.
+ * - If the MR was allocated with type IB_MR_TYPE_SG_GAPS_REG, non of these
+ *   constraints holds and the page_size argument is ignored.
  *
  * Returns the number of sg elements that were mapped to the memory region.
  *

drivers/infiniband/hw/cxgb3/iwch_provider.c

@@ -657,7 +657,8 @@ static struct ib_mr *iwch_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 	return ERR_PTR(err);
 }
 
-static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
+static struct ib_mw *iwch_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
+				   struct ib_udata *udata)
 {
 	struct iwch_dev *rhp;
 	struct iwch_pd *php;

drivers/infiniband/hw/cxgb4/iw_cxgb4.h

@@ -963,7 +963,8 @@ int c4iw_map_mr_sg(struct ib_mr *ibmr,
 		   struct scatterlist *sg,
 		   int sg_nents);
 int c4iw_dealloc_mw(struct ib_mw *mw);
-struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
+struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
+			    struct ib_udata *udata);
 struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start,
 					   u64 length, u64 virt, int acc,
 					   struct ib_udata *udata);

drivers/infiniband/hw/cxgb4/mem.c

@@ -34,6 +34,7 @@
 #include <linux/moduleparam.h>
 #include <rdma/ib_umem.h>
 #include <linux/atomic.h>
+#include <rdma/ib_user_verbs.h>
 
 #include "iw_cxgb4.h"
 
@@ -552,7 +553,8 @@ struct ib_mr *c4iw_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 	return ERR_PTR(err);
 }
 
-struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
+struct ib_mw *c4iw_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
+			    struct ib_udata *udata)
 {
 	struct c4iw_dev *rhp;
 	struct c4iw_pd *php;

drivers/infiniband/hw/mlx4/alias_GUID.c

@@ -310,7 +310,7 @@ static void aliasguid_query_handler(int status,
 	if (status) {
 		pr_debug("(port: %d) failed: status = %d\n",
 			 cb_ctx->port, status);
-		rec->time_to_run = ktime_get_real_ns() + 1 * NSEC_PER_SEC;
+		rec->time_to_run = ktime_get_boot_ns() + 1 * NSEC_PER_SEC;
 		goto out;
 	}
 
@@ -416,7 +416,7 @@ static void aliasguid_query_handler(int status,
 			 be64_to_cpu((__force __be64)rec->guid_indexes),
 			 be64_to_cpu((__force __be64)applied_guid_indexes),
 			 be64_to_cpu((__force __be64)declined_guid_indexes));
-		rec->time_to_run = ktime_get_real_ns() +
+		rec->time_to_run = ktime_get_boot_ns() +
 			resched_delay_sec * NSEC_PER_SEC;
 	} else {
 		rec->status = MLX4_GUID_INFO_STATUS_SET;
@@ -708,7 +708,7 @@ static int get_low_record_time_index(struct mlx4_ib_dev *dev, u8 port,
 		}
 	}
 	if (resched_delay_sec) {
-		u64 curr_time = ktime_get_real_ns();
+		u64 curr_time = ktime_get_boot_ns();
 
 		*resched_delay_sec = (low_record_time < curr_time) ? 0 :
 			div_u64((low_record_time - curr_time), NSEC_PER_SEC);

drivers/infiniband/hw/mlx4/main.c

@@ -1643,6 +1643,56 @@ static int mlx4_ib_tunnel_steer_add(struct ib_qp *qp, struct ib_flow_attr *flow_
 	return err;
 }
 
+static int mlx4_ib_add_dont_trap_rule(struct mlx4_dev *dev,
+				      struct ib_flow_attr *flow_attr,
+				      enum mlx4_net_trans_promisc_mode *type)
+{
+	int err = 0;
+
+	if (!(dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_DMFS_UC_MC_SNIFFER) ||
+	    (dev->caps.dmfs_high_steer_mode == MLX4_STEERING_DMFS_A0_STATIC) ||
+	    (flow_attr->num_of_specs > 1) || (flow_attr->priority != 0)) {
+		return -EOPNOTSUPP;
+	}
+
+	if (flow_attr->num_of_specs == 0) {
+		type[0] = MLX4_FS_MC_SNIFFER;
+		type[1] = MLX4_FS_UC_SNIFFER;
+	} else {
+		union ib_flow_spec *ib_spec;
+
+		ib_spec = (union ib_flow_spec *)(flow_attr + 1);
+		if (ib_spec->type !=  IB_FLOW_SPEC_ETH)
+			return -EINVAL;
+
+		/* if all is zero than MC and UC */
+		if (is_zero_ether_addr(ib_spec->eth.mask.dst_mac)) {
+			type[0] = MLX4_FS_MC_SNIFFER;
+			type[1] = MLX4_FS_UC_SNIFFER;
+		} else {
+			u8 mac[ETH_ALEN] = {ib_spec->eth.mask.dst_mac[0] ^ 0x01,
+					    ib_spec->eth.mask.dst_mac[1],
+					    ib_spec->eth.mask.dst_mac[2],
+					    ib_spec->eth.mask.dst_mac[3],
+					    ib_spec->eth.mask.dst_mac[4],
+					    ib_spec->eth.mask.dst_mac[5]};
+
+			/* Above xor was only on MC bit, non empty mask is valid
+			 * only if this bit is set and rest are zero.
+			 */
+			if (!is_zero_ether_addr(&mac[0]))
+				return -EINVAL;
+
+			if (is_multicast_ether_addr(ib_spec->eth.val.dst_mac))
+				type[0] = MLX4_FS_MC_SNIFFER;
+			else
+				type[0] = MLX4_FS_UC_SNIFFER;
+		}
+	}
+
+	return err;
+}
+
 static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
 				    struct ib_flow_attr *flow_attr,
 				    int domain)
@@ -1653,6 +1703,10 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
 	struct mlx4_dev *dev = (to_mdev(qp->device))->dev;
 	int is_bonded = mlx4_is_bonded(dev);
 
+	if ((flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) &&
+	    (flow_attr->type != IB_FLOW_ATTR_NORMAL))
+		return ERR_PTR(-EOPNOTSUPP);
+
 	memset(type, 0, sizeof(type));
 
 	mflow = kzalloc(sizeof(*mflow), GFP_KERNEL);
@@ -1663,7 +1717,19 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
 
 	switch (flow_attr->type) {
 	case IB_FLOW_ATTR_NORMAL:
-		type[0] = MLX4_FS_REGULAR;
+		/* If dont trap flag (continue match) is set, under specific
+		 * condition traffic be replicated to given qp,
+		 * without stealing it
+		 */
+		if (unlikely(flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP)) {
+			err = mlx4_ib_add_dont_trap_rule(dev,
+							 flow_attr,
+							 type);
+			if (err)
+				goto err_free;
+		} else {
+			type[0] = MLX4_FS_REGULAR;
+		}
 		break;
 
 	case IB_FLOW_ATTR_ALL_DEFAULT:
@@ -1675,8 +1741,8 @@ static struct ib_flow *mlx4_ib_create_flow(struct ib_qp *qp,
 		break;
 
 	case IB_FLOW_ATTR_SNIFFER:
-		type[0] = MLX4_FS_UC_SNIFFER;
-		type[1] = MLX4_FS_MC_SNIFFER;
+		type[0] = MLX4_FS_MIRROR_RX_PORT;
+		type[1] = MLX4_FS_MIRROR_SX_PORT;
 		break;
 
 	default:

drivers/infiniband/hw/mlx4/mlx4_ib.h

@@ -711,7 +711,8 @@ struct ib_mr *mlx4_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
 				  u64 virt_addr, int access_flags,
 				  struct ib_udata *udata);
 int mlx4_ib_dereg_mr(struct ib_mr *mr);
-struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type);
+struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
+			       struct ib_udata *udata);
 int mlx4_ib_dealloc_mw(struct ib_mw *mw);
 struct ib_mr *mlx4_ib_alloc_mr(struct ib_pd *pd,
 			       enum ib_mr_type mr_type,

drivers/infiniband/hw/mlx4/mr.c

@@ -32,6 +32,7 @@
  */
 
 #include <linux/slab.h>
+#include <rdma/ib_user_verbs.h>
 
 #include "mlx4_ib.h"
 
@@ -334,7 +335,8 @@ int mlx4_ib_dereg_mr(struct ib_mr *ibmr)
 	return 0;
 }
 
-struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type)
+struct ib_mw *mlx4_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
+			       struct ib_udata *udata)
 {
 	struct mlx4_ib_dev *dev = to_mdev(pd->device);
 	struct mlx4_ib_mw *mw;

drivers/infiniband/hw/mlx5/Makefile

@@ -1,4 +1,4 @@
 obj-$(CONFIG_MLX5_INFINIBAND)	+= mlx5_ib.o
 
-mlx5_ib-y :=	main.o cq.o doorbell.o qp.o mem.o srq.o mr.o ah.o mad.o
+mlx5_ib-y :=	main.o cq.o doorbell.o qp.o mem.o srq.o mr.o ah.o mad.o gsi.o
 mlx5_ib-$(CONFIG_INFINIBAND_ON_DEMAND_PAGING) += odp.o