205 lines
5.8 KiB
C
205 lines
5.8 KiB
C
/*
|
|
* include/net/devlink.h - Network physical device Netlink interface
|
|
* Copyright (c) 2016 Mellanox Technologies. All rights reserved.
|
|
* Copyright (c) 2016 Jiri Pirko <jiri@mellanox.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*/
|
|
#ifndef _NET_DEVLINK_H_
|
|
#define _NET_DEVLINK_H_
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/gfp.h>
|
|
#include <linux/list.h>
|
|
#include <linux/netdevice.h>
|
|
#include <net/net_namespace.h>
|
|
#include <uapi/linux/devlink.h>
|
|
|
|
struct devlink_ops;
|
|
|
|
struct devlink {
|
|
struct list_head list;
|
|
struct list_head port_list;
|
|
struct list_head sb_list;
|
|
const struct devlink_ops *ops;
|
|
struct device *dev;
|
|
possible_net_t _net;
|
|
char priv[0] __aligned(NETDEV_ALIGN);
|
|
};
|
|
|
|
struct devlink_port {
|
|
struct list_head list;
|
|
struct devlink *devlink;
|
|
unsigned index;
|
|
bool registered;
|
|
enum devlink_port_type type;
|
|
enum devlink_port_type desired_type;
|
|
void *type_dev;
|
|
bool split;
|
|
u32 split_group;
|
|
};
|
|
|
|
struct devlink_sb_pool_info {
|
|
enum devlink_sb_pool_type pool_type;
|
|
u32 size;
|
|
enum devlink_sb_threshold_type threshold_type;
|
|
};
|
|
|
|
struct devlink_ops {
|
|
size_t priv_size;
|
|
int (*port_type_set)(struct devlink_port *devlink_port,
|
|
enum devlink_port_type port_type);
|
|
int (*port_split)(struct devlink *devlink, unsigned int port_index,
|
|
unsigned int count);
|
|
int (*port_unsplit)(struct devlink *devlink, unsigned int port_index);
|
|
int (*sb_pool_get)(struct devlink *devlink, unsigned int sb_index,
|
|
u16 pool_index,
|
|
struct devlink_sb_pool_info *pool_info);
|
|
int (*sb_pool_set)(struct devlink *devlink, unsigned int sb_index,
|
|
u16 pool_index, u32 size,
|
|
enum devlink_sb_threshold_type threshold_type);
|
|
int (*sb_port_pool_get)(struct devlink_port *devlink_port,
|
|
unsigned int sb_index, u16 pool_index,
|
|
u32 *p_threshold);
|
|
int (*sb_port_pool_set)(struct devlink_port *devlink_port,
|
|
unsigned int sb_index, u16 pool_index,
|
|
u32 threshold);
|
|
int (*sb_tc_pool_bind_get)(struct devlink_port *devlink_port,
|
|
unsigned int sb_index,
|
|
u16 tc_index,
|
|
enum devlink_sb_pool_type pool_type,
|
|
u16 *p_pool_index, u32 *p_threshold);
|
|
int (*sb_tc_pool_bind_set)(struct devlink_port *devlink_port,
|
|
unsigned int sb_index,
|
|
u16 tc_index,
|
|
enum devlink_sb_pool_type pool_type,
|
|
u16 pool_index, u32 threshold);
|
|
int (*sb_occ_snapshot)(struct devlink *devlink,
|
|
unsigned int sb_index);
|
|
int (*sb_occ_max_clear)(struct devlink *devlink,
|
|
unsigned int sb_index);
|
|
int (*sb_occ_port_pool_get)(struct devlink_port *devlink_port,
|
|
unsigned int sb_index, u16 pool_index,
|
|
u32 *p_cur, u32 *p_max);
|
|
int (*sb_occ_tc_port_bind_get)(struct devlink_port *devlink_port,
|
|
unsigned int sb_index,
|
|
u16 tc_index,
|
|
enum devlink_sb_pool_type pool_type,
|
|
u32 *p_cur, u32 *p_max);
|
|
|
|
int (*eswitch_mode_get)(struct devlink *devlink, u16 *p_mode);
|
|
int (*eswitch_mode_set)(struct devlink *devlink, u16 mode);
|
|
};
|
|
|
|
static inline void *devlink_priv(struct devlink *devlink)
|
|
{
|
|
BUG_ON(!devlink);
|
|
return &devlink->priv;
|
|
}
|
|
|
|
static inline struct devlink *priv_to_devlink(void *priv)
|
|
{
|
|
BUG_ON(!priv);
|
|
return container_of(priv, struct devlink, priv);
|
|
}
|
|
|
|
struct ib_device;
|
|
|
|
#if IS_ENABLED(CONFIG_NET_DEVLINK)
|
|
|
|
struct devlink *devlink_alloc(const struct devlink_ops *ops, size_t priv_size);
|
|
int devlink_register(struct devlink *devlink, struct device *dev);
|
|
void devlink_unregister(struct devlink *devlink);
|
|
void devlink_free(struct devlink *devlink);
|
|
int devlink_port_register(struct devlink *devlink,
|
|
struct devlink_port *devlink_port,
|
|
unsigned int port_index);
|
|
void devlink_port_unregister(struct devlink_port *devlink_port);
|
|
void devlink_port_type_eth_set(struct devlink_port *devlink_port,
|
|
struct net_device *netdev);
|
|
void devlink_port_type_ib_set(struct devlink_port *devlink_port,
|
|
struct ib_device *ibdev);
|
|
void devlink_port_type_clear(struct devlink_port *devlink_port);
|
|
void devlink_port_split_set(struct devlink_port *devlink_port,
|
|
u32 split_group);
|
|
int devlink_sb_register(struct devlink *devlink, unsigned int sb_index,
|
|
u32 size, u16 ingress_pools_count,
|
|
u16 egress_pools_count, u16 ingress_tc_count,
|
|
u16 egress_tc_count);
|
|
void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
|
|
|
|
#else
|
|
|
|
static inline struct devlink *devlink_alloc(const struct devlink_ops *ops,
|
|
size_t priv_size)
|
|
{
|
|
return kzalloc(sizeof(struct devlink) + priv_size, GFP_KERNEL);
|
|
}
|
|
|
|
static inline int devlink_register(struct devlink *devlink, struct device *dev)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void devlink_unregister(struct devlink *devlink)
|
|
{
|
|
}
|
|
|
|
static inline void devlink_free(struct devlink *devlink)
|
|
{
|
|
kfree(devlink);
|
|
}
|
|
|
|
static inline int devlink_port_register(struct devlink *devlink,
|
|
struct devlink_port *devlink_port,
|
|
unsigned int port_index)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void devlink_port_unregister(struct devlink_port *devlink_port)
|
|
{
|
|
}
|
|
|
|
static inline void devlink_port_type_eth_set(struct devlink_port *devlink_port,
|
|
struct net_device *netdev)
|
|
{
|
|
}
|
|
|
|
static inline void devlink_port_type_ib_set(struct devlink_port *devlink_port,
|
|
struct ib_device *ibdev)
|
|
{
|
|
}
|
|
|
|
static inline void devlink_port_type_clear(struct devlink_port *devlink_port)
|
|
{
|
|
}
|
|
|
|
static inline void devlink_port_split_set(struct devlink_port *devlink_port,
|
|
u32 split_group)
|
|
{
|
|
}
|
|
|
|
static inline int devlink_sb_register(struct devlink *devlink,
|
|
unsigned int sb_index, u32 size,
|
|
u16 ingress_pools_count,
|
|
u16 egress_pools_count,
|
|
u16 ingress_tc_count,
|
|
u16 egress_tc_count)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void devlink_sb_unregister(struct devlink *devlink,
|
|
unsigned int sb_index)
|
|
{
|
|
}
|
|
|
|
#endif
|
|
|
|
#endif /* _NET_DEVLINK_H_ */
|