118 lines
3.3 KiB
C
118 lines
3.3 KiB
C
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/*
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* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* OpenIB.org BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef MLX4_DRIVER_H
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#define MLX4_DRIVER_H
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#include <net/devlink.h>
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#include <linux/mlx4/device.h>
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struct mlx4_dev;
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#define MLX4_MAC_MASK 0xffffffffffffULL
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enum mlx4_dev_event {
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MLX4_DEV_EVENT_CATASTROPHIC_ERROR,
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MLX4_DEV_EVENT_PORT_UP,
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MLX4_DEV_EVENT_PORT_DOWN,
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MLX4_DEV_EVENT_PORT_REINIT,
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MLX4_DEV_EVENT_PORT_MGMT_CHANGE,
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MLX4_DEV_EVENT_SLAVE_INIT,
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MLX4_DEV_EVENT_SLAVE_SHUTDOWN,
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};
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enum {
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MLX4_INTFF_BONDING = 1 << 0
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};
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struct mlx4_interface {
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void * (*add) (struct mlx4_dev *dev);
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void (*remove)(struct mlx4_dev *dev, void *context);
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void (*event) (struct mlx4_dev *dev, void *context,
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enum mlx4_dev_event event, unsigned long param);
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void * (*get_dev)(struct mlx4_dev *dev, void *context, u8 port);
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void (*activate)(struct mlx4_dev *dev, void *context);
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struct list_head list;
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enum mlx4_protocol protocol;
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int flags;
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};
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int mlx4_register_interface(struct mlx4_interface *intf);
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void mlx4_unregister_interface(struct mlx4_interface *intf);
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int mlx4_bond(struct mlx4_dev *dev);
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int mlx4_unbond(struct mlx4_dev *dev);
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static inline int mlx4_is_bonded(struct mlx4_dev *dev)
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{
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return !!(dev->flags & MLX4_FLAG_BONDED);
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}
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static inline int mlx4_is_mf_bonded(struct mlx4_dev *dev)
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{
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return (mlx4_is_bonded(dev) && mlx4_is_mfunc(dev));
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}
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struct mlx4_port_map {
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u8 port1;
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u8 port2;
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};
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int mlx4_port_map_set(struct mlx4_dev *dev, struct mlx4_port_map *v2p);
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void *mlx4_get_protocol_dev(struct mlx4_dev *dev, enum mlx4_protocol proto, int port);
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struct devlink_port *mlx4_get_devlink_port(struct mlx4_dev *dev, int port);
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static inline u64 mlx4_mac_to_u64(u8 *addr)
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{
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u64 mac = 0;
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int i;
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for (i = 0; i < ETH_ALEN; i++) {
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mac <<= 8;
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mac |= addr[i];
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}
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return mac;
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}
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static inline void mlx4_u64_to_mac(u8 *addr, u64 mac)
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{
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int i;
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for (i = ETH_ALEN; i > 0; i--) {
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addr[i - 1] = mac & 0xFF;
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mac >>= 8;
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}
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}
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#endif /* MLX4_DRIVER_H */
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