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
  ...

1 files changed, 76 insertions, 44 deletions

diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index ffc78d2cb0cf..f3e804f2a35f 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/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;
-
-	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;
-
-	hw->ctrl = cpu_to_be32(dw);
+	u8 flags = 0;
+
+	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->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);
 }
@@ -677,29 +689,51 @@ const u16 __sw_id_hw[] = {
 	[MLX4_NET_TRANS_RULE_ID_UDP]     = 0xE006
 };
 
+int mlx4_map_sw_to_hw_steering_id(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;
+	}
+	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] =
+		sizeof(struct mlx4_net_trans_rule_hw_ib),
+	[MLX4_NET_TRANS_RULE_ID_IPV6] = 0,
+	[MLX4_NET_TRANS_RULE_ID_IPV4] =
+		sizeof(struct mlx4_net_trans_rule_hw_ipv4),
+	[MLX4_NET_TRANS_RULE_ID_TCP] =
+		sizeof(struct mlx4_net_trans_rule_hw_tcp_udp),
+	[MLX4_NET_TRANS_RULE_ID_UDP] =
+		sizeof(struct mlx4_net_trans_rule_hw_tcp_udp)
+};
+
+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;
+	}
+
+	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)
 {
-	static const size_t __rule_hw_sz[] = {
-		[MLX4_NET_TRANS_RULE_ID_ETH] =
-			sizeof(struct mlx4_net_trans_rule_hw_eth),
-		[MLX4_NET_TRANS_RULE_ID_IB] =
-			sizeof(struct mlx4_net_trans_rule_hw_ib),
-		[MLX4_NET_TRANS_RULE_ID_IPV6] = 0,
-		[MLX4_NET_TRANS_RULE_ID_IPV4] =
-			sizeof(struct mlx4_net_trans_rule_hw_ipv4),
-		[MLX4_NET_TRANS_RULE_ID_TCP] =
-			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);
+	if (mlx4_hw_rule_sz(dev, spec->id) < 0)
 		return -EINVAL;
-	}
-	memset(rule_hw, 0, __rule_hw_sz[spec->id]);
+	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: