Add mlx5 and mlx5en driver(s) for ConnectX-4 and ConnectX-4LX cards

from Mellanox Technologies. The current driver supports ethernet
speeds up to and including 100 GBit/s. Infiniband support will be
done later.

The code added is not compiled by default, which will be done by a
separate commit.

Sponsored by:	Mellanox Technologies
MFC after:	2 weeks

1 files changed, 74 insertions, 0 deletions

diff --git a/sys/dev/mlx5/vport.h b/sys/dev/mlx5/vport.h
new file mode 100644
index 0000000..7d79c59
--- /dev/null
+++ b/sys/dev/mlx5/vport.h
@@ -0,0 +1,74 @@
+/*-
+ * Copyright (c) 2013-2015, Mellanox Technologies, Ltd.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef __MLX5_VPORT_H__
+#define __MLX5_VPORT_H__
+
+#include <dev/mlx5/driver.h>
+int mlx5_vport_alloc_q_counter(struct mlx5_core_dev *mdev,
+			       int *counter_set_id);
+int mlx5_vport_dealloc_q_counter(struct mlx5_core_dev *mdev,
+				 int counter_set_id);
+int mlx5_vport_query_out_of_rx_buffer(struct mlx5_core_dev *mdev,
+				      int counter_set_id,
+				      u32 *out_of_rx_buffer);
+
+u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod);
+int mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev,
+				     u32 vport, u8 *addr);
+int mlx5_set_nic_vport_current_mac(struct mlx5_core_dev *mdev, int vport,
+				   bool other_vport, u8 *addr);
+int mlx5_set_nic_vport_permanent_mac(struct mlx5_core_dev *mdev, int vport,
+				     u8 *addr);
+int mlx5_nic_vport_enable_roce(struct mlx5_core_dev *mdev);
+int mlx5_nic_vport_disable_roce(struct mlx5_core_dev *mdev);
+int mlx5_query_nic_vport_system_image_guid(struct mlx5_core_dev *mdev,
+					   u64 *system_image_guid);
+int mlx5_query_nic_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid);
+int mlx5_query_nic_vport_port_guid(struct mlx5_core_dev *mdev, u64 *port_guid);
+int mlx5_query_nic_vport_qkey_viol_cntr(struct mlx5_core_dev *mdev,
+					u16 *qkey_viol_cntr);
+int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *mdev, u64 *node_guid);
+int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *mdev,
+					   u64 *system_image_guid);
+int mlx5_query_hca_vport_context(struct mlx5_core_dev *mdev,
+				 u8 port_num, u8 vport_num, u32 *out,
+				 int outlen);
+int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
+			      u8 port_num, u16 vf_num, u16 pkey_index,
+			      u16 *pkey);
+int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 port_num,
+			     u16 vport_num, u16 gid_index, union ib_gid *gid);
+int mlx5_set_eswitch_cvlan_info(struct mlx5_core_dev *mdev, u8 vport,
+				u8 insert_mode, u8 strip_mode,
+				u16 vlan, u8 cfi, u8 pcp);
+int mlx5_query_vport_counter(struct mlx5_core_dev *dev,
+			     u8 port_num, u16 vport_num,
+			     void *out, int out_size);
+int mlx5_get_vport_counters(struct mlx5_core_dev *dev, u8 port_num,
+			    struct mlx5_vport_counters *vc);
+#endif /* __MLX5_VPORT_H__ */