Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Conflicts:
	drivers/net/usb/qmi_wwan.c
	include/net/dst.h

Trivial merge conflicts, both were overlapping changes.

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 30 insertions, 50 deletions

diff --git a/drivers/infiniband/hw/mlx5/qp.c b/drivers/infiniband/hw/mlx5/qp.c
index 045f8cdbd30..5659ea88074 100644
--- a/drivers/infiniband/hw/mlx5/qp.c
+++ b/drivers/infiniband/hw/mlx5/qp.c
@@ -203,7 +203,7 @@ static int sq_overhead(enum ib_qp_type qp_type)
 
 	switch (qp_type) {
 	case IB_QPT_XRC_INI:
-		size = sizeof(struct mlx5_wqe_xrc_seg);
+		size += sizeof(struct mlx5_wqe_xrc_seg);
 		/* fall through */
 	case IB_QPT_RC:
 		size += sizeof(struct mlx5_wqe_ctrl_seg) +
@@ -211,20 +211,23 @@ static int sq_overhead(enum ib_qp_type qp_type)
 			sizeof(struct mlx5_wqe_raddr_seg);
 		break;
 
+	case IB_QPT_XRC_TGT:
+		return 0;
+
 	case IB_QPT_UC:
-		size = sizeof(struct mlx5_wqe_ctrl_seg) +
+		size += sizeof(struct mlx5_wqe_ctrl_seg) +
 			sizeof(struct mlx5_wqe_raddr_seg);
 		break;
 
 	case IB_QPT_UD:
 	case IB_QPT_SMI:
 	case IB_QPT_GSI:
-		size = sizeof(struct mlx5_wqe_ctrl_seg) +
+		size += sizeof(struct mlx5_wqe_ctrl_seg) +
 			sizeof(struct mlx5_wqe_datagram_seg);
 		break;
 
 	case MLX5_IB_QPT_REG_UMR:
-		size = sizeof(struct mlx5_wqe_ctrl_seg) +
+		size += sizeof(struct mlx5_wqe_ctrl_seg) +
 			sizeof(struct mlx5_wqe_umr_ctrl_seg) +
 			sizeof(struct mlx5_mkey_seg);
 		break;
@@ -270,7 +273,8 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
 		return wqe_size;
 
 	if (wqe_size > dev->mdev.caps.max_sq_desc_sz) {
-		mlx5_ib_dbg(dev, "\n");
+		mlx5_ib_dbg(dev, "wqe_size(%d) > max_sq_desc_sz(%d)\n",
+			    wqe_size, dev->mdev.caps.max_sq_desc_sz);
 		return -EINVAL;
 	}
 
@@ -280,9 +284,15 @@ static int calc_sq_size(struct mlx5_ib_dev *dev, struct ib_qp_init_attr *attr,
 
 	wq_size = roundup_pow_of_two(attr->cap.max_send_wr * wqe_size);
 	qp->sq.wqe_cnt = wq_size / MLX5_SEND_WQE_BB;
+	if (qp->sq.wqe_cnt > dev->mdev.caps.max_wqes) {
+		mlx5_ib_dbg(dev, "wqe count(%d) exceeds limits(%d)\n",
+			    qp->sq.wqe_cnt, dev->mdev.caps.max_wqes);
+		return -ENOMEM;
+	}
 	qp->sq.wqe_shift = ilog2(MLX5_SEND_WQE_BB);
 	qp->sq.max_gs = attr->cap.max_send_sge;
-	qp->sq.max_post = 1 << ilog2(wq_size / wqe_size);
+	qp->sq.max_post = wq_size / wqe_size;
+	attr->cap.max_send_wr = qp->sq.max_post;
 
 	return wq_size;
 }
@@ -1280,6 +1290,11 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q
 					  MLX5_QP_OPTPAR_Q_KEY,
 			[MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_PKEY_INDEX	|
 					   MLX5_QP_OPTPAR_Q_KEY,
+			[MLX5_QP_ST_XRC] = MLX5_QP_OPTPAR_ALT_ADDR_PATH |
+					  MLX5_QP_OPTPAR_RRE            |
+					  MLX5_QP_OPTPAR_RAE            |
+					  MLX5_QP_OPTPAR_RWE            |
+					  MLX5_QP_OPTPAR_PKEY_INDEX,
 		},
 	},
 	[MLX5_QP_STATE_RTR] = {
@@ -1314,6 +1329,11 @@ static enum mlx5_qp_optpar opt_mask[MLX5_QP_NUM_STATE][MLX5_QP_NUM_STATE][MLX5_Q
 		[MLX5_QP_STATE_RTS] = {
 			[MLX5_QP_ST_UD]	 = MLX5_QP_OPTPAR_Q_KEY,
 			[MLX5_QP_ST_MLX] = MLX5_QP_OPTPAR_Q_KEY,
+			[MLX5_QP_ST_UC]	 = MLX5_QP_OPTPAR_RWE,
+			[MLX5_QP_ST_RC]	 = MLX5_QP_OPTPAR_RNR_TIMEOUT	|
+					   MLX5_QP_OPTPAR_RWE		|
+					   MLX5_QP_OPTPAR_RAE		|
+					   MLX5_QP_OPTPAR_RRE,
 		},
 	},
 };
@@ -1651,29 +1671,6 @@ static __always_inline void set_raddr_seg(struct mlx5_wqe_raddr_seg *rseg,
 	rseg->reserved = 0;
 }
 
-static void set_atomic_seg(struct mlx5_wqe_atomic_seg *aseg, struct ib_send_wr *wr)
-{
-	if (wr->opcode == IB_WR_ATOMIC_CMP_AND_SWP) {
-		aseg->swap_add = cpu_to_be64(wr->wr.atomic.swap);
-		aseg->compare  = cpu_to_be64(wr->wr.atomic.compare_add);
-	} else if (wr->opcode == IB_WR_MASKED_ATOMIC_FETCH_AND_ADD) {
-		aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add);
-		aseg->compare  = cpu_to_be64(wr->wr.atomic.compare_add_mask);
-	} else {
-		aseg->swap_add = cpu_to_be64(wr->wr.atomic.compare_add);
-		aseg->compare  = 0;
-	}
-}
-
-static void set_masked_atomic_seg(struct mlx5_wqe_masked_atomic_seg *aseg,
-				  struct ib_send_wr *wr)
-{
-	aseg->swap_add		= cpu_to_be64(wr->wr.atomic.swap);
-	aseg->swap_add_mask	= cpu_to_be64(wr->wr.atomic.swap_mask);
-	aseg->compare		= cpu_to_be64(wr->wr.atomic.compare_add);
-	aseg->compare_mask	= cpu_to_be64(wr->wr.atomic.compare_add_mask);
-}
-
 static void set_datagram_seg(struct mlx5_wqe_datagram_seg *dseg,
 			     struct ib_send_wr *wr)
 {
@@ -2063,28 +2060,11 @@ int mlx5_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
 
 			case IB_WR_ATOMIC_CMP_AND_SWP:
 			case IB_WR_ATOMIC_FETCH_AND_ADD:
-				set_raddr_seg(seg, wr->wr.atomic.remote_addr,
-					      wr->wr.atomic.rkey);
-				seg  += sizeof(struct mlx5_wqe_raddr_seg);
-
-				set_atomic_seg(seg, wr);
-				seg  += sizeof(struct mlx5_wqe_atomic_seg);
-
-				size += (sizeof(struct mlx5_wqe_raddr_seg) +
-					 sizeof(struct mlx5_wqe_atomic_seg)) / 16;
-				break;
-
 			case IB_WR_MASKED_ATOMIC_CMP_AND_SWP:
-				set_raddr_seg(seg, wr->wr.atomic.remote_addr,
-					      wr->wr.atomic.rkey);
-				seg  += sizeof(struct mlx5_wqe_raddr_seg);
-
-				set_masked_atomic_seg(seg, wr);
-				seg  += sizeof(struct mlx5_wqe_masked_atomic_seg);
-
-				size += (sizeof(struct mlx5_wqe_raddr_seg) +
-					 sizeof(struct mlx5_wqe_masked_atomic_seg)) / 16;
-				break;
+				mlx5_ib_warn(dev, "Atomic operations are not supported yet\n");
+				err = -ENOSYS;
+				*bad_wr = wr;
+				goto out;
 
 			case IB_WR_LOCAL_INV:
 				next_fence = MLX5_FENCE_MODE_INITIATOR_SMALL;