netdevsim.h | Explore in Territory

/*
 * Copyright (C) 2017 Netronome Systems, Inc.
 *
 * This software is licensed under the GNU General License Version 2,
 * June 1991 as shown in the file COPYING in the top-level directory of this
 * source tree.
 *
 * THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS"
 * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE
 * OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME
 * THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
 */

#include <linux/debugfs.h>
#include <linux/device.h>
#include <linux/ethtool.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/netdevice.h>
#include <linux/ptp_mock.h>
#include <linux/u64_stats_sync.h>
#include <net/devlink.h>
#include <net/udp_tunnel.h>
#include <net/xdp.h>
#include <net/macsec.h>

#define DRV_NAME …

#define NSIM_XDP_MAX_MTU …

#define NSIM_EA(extack, msg) …

#define NSIM_IPSEC_MAX_SA_COUNT …
#define NSIM_IPSEC_VALID …
#define NSIM_UDP_TUNNEL_N_PORTS …

struct nsim_sa { … };

struct nsim_ipsec { … };

#define NSIM_MACSEC_MAX_SECY_COUNT …
#define NSIM_MACSEC_MAX_RXSC_COUNT …
struct nsim_rxsc { … };

struct nsim_secy { … };

struct nsim_macsec { … };

struct nsim_ethtool_pauseparam { … };

struct nsim_ethtool { … };

struct nsim_rq { … };

struct netdevsim { … };

struct netdevsim *
nsim_create(struct nsim_dev *nsim_dev, struct nsim_dev_port *nsim_dev_port);
void nsim_destroy(struct netdevsim *ns);
bool netdev_is_nsim(struct net_device *dev);

void nsim_ethtool_init(struct netdevsim *ns);

void nsim_udp_tunnels_debugfs_create(struct nsim_dev *nsim_dev);
int nsim_udp_tunnels_info_create(struct nsim_dev *nsim_dev,
				 struct net_device *dev);
void nsim_udp_tunnels_info_destroy(struct net_device *dev);

#ifdef CONFIG_BPF_SYSCALL
int nsim_bpf_dev_init(struct nsim_dev *nsim_dev);
void nsim_bpf_dev_exit(struct nsim_dev *nsim_dev);
int nsim_bpf_init(struct netdevsim *ns);
void nsim_bpf_uninit(struct netdevsim *ns);
int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf);
int nsim_bpf_disable_tc(struct netdevsim *ns);
int nsim_bpf_setup_tc_block_cb(enum tc_setup_type type,
			       void *type_data, void *cb_priv);
#else

static inline int nsim_bpf_dev_init(struct nsim_dev *nsim_dev)
{
	return 0;
}

static inline void nsim_bpf_dev_exit(struct nsim_dev *nsim_dev)
{
}
static inline int nsim_bpf_init(struct netdevsim *ns)
{
	return 0;
}

static inline void nsim_bpf_uninit(struct netdevsim *ns)
{
}

static inline int nsim_bpf(struct net_device *dev, struct netdev_bpf *bpf)
{
	return -EOPNOTSUPP;
}

static inline int nsim_bpf_disable_tc(struct netdevsim *ns)
{
	return 0;
}

static inline int
nsim_bpf_setup_tc_block_cb(enum tc_setup_type type, void *type_data,
			   void *cb_priv)
{
	return -EOPNOTSUPP;
}
#endif

enum nsim_resource_id { … };

struct nsim_dev_health { … };

int nsim_dev_health_init(struct nsim_dev *nsim_dev, struct devlink *devlink);
void nsim_dev_health_exit(struct nsim_dev *nsim_dev);

struct nsim_dev_hwstats_netdev { … };

struct nsim_dev_hwstats { … };

int nsim_dev_hwstats_init(struct nsim_dev *nsim_dev);
void nsim_dev_hwstats_exit(struct nsim_dev *nsim_dev);

#if IS_ENABLED(CONFIG_PSAMPLE)
int nsim_dev_psample_init(struct nsim_dev *nsim_dev);
void nsim_dev_psample_exit(struct nsim_dev *nsim_dev);
#else
static inline int nsim_dev_psample_init(struct nsim_dev *nsim_dev)
{
	return 0;
}

static inline void nsim_dev_psample_exit(struct nsim_dev *nsim_dev)
{
}
#endif

enum nsim_dev_port_type { … };

#define NSIM_DEV_VF_PORT_INDEX_BASE …
#define NSIM_DEV_VF_PORT_INDEX_MAX …

struct nsim_dev_port { … };

struct nsim_vf_config { … };

struct nsim_dev { … };

static inline bool nsim_esw_mode_is_legacy(struct nsim_dev *nsim_dev)
{ … }

static inline bool nsim_esw_mode_is_switchdev(struct nsim_dev *nsim_dev)
{ … }

static inline struct net *nsim_dev_net(struct nsim_dev *nsim_dev)
{ … }

int nsim_dev_init(void);
void nsim_dev_exit(void);
int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev);
void nsim_drv_remove(struct nsim_bus_dev *nsim_bus_dev);
int nsim_drv_port_add(struct nsim_bus_dev *nsim_bus_dev,
		      enum nsim_dev_port_type type,
		      unsigned int port_index);
int nsim_drv_port_del(struct nsim_bus_dev *nsim_bus_dev,
		      enum nsim_dev_port_type type,
		      unsigned int port_index);
int nsim_drv_configure_vfs(struct nsim_bus_dev *nsim_bus_dev,
			   unsigned int num_vfs);

unsigned int nsim_dev_get_vfs(struct nsim_dev *nsim_dev);

struct nsim_fib_data *nsim_fib_create(struct devlink *devlink,
				      struct netlink_ext_ack *extack);
void nsim_fib_destroy(struct devlink *devlink, struct nsim_fib_data *fib_data);
u64 nsim_fib_get_val(struct nsim_fib_data *fib_data,
		     enum nsim_resource_id res_id, bool max);

static inline bool nsim_dev_port_is_pf(struct nsim_dev_port *nsim_dev_port)
{ … }

static inline bool nsim_dev_port_is_vf(struct nsim_dev_port *nsim_dev_port)
{ … }
#if IS_ENABLED(CONFIG_XFRM_OFFLOAD)
void nsim_ipsec_init(struct netdevsim *ns);
void nsim_ipsec_teardown(struct netdevsim *ns);
bool nsim_ipsec_tx(struct netdevsim *ns, struct sk_buff *skb);
#else
static inline void nsim_ipsec_init(struct netdevsim *ns)
{
}

static inline void nsim_ipsec_teardown(struct netdevsim *ns)
{
}

static inline bool nsim_ipsec_tx(struct netdevsim *ns, struct sk_buff *skb)
{
	return true;
}
#endif

#if IS_ENABLED(CONFIG_MACSEC)
void nsim_macsec_init(struct netdevsim *ns);
void nsim_macsec_teardown(struct netdevsim *ns);
#else
static inline void nsim_macsec_init(struct netdevsim *ns)
{
}

static inline void nsim_macsec_teardown(struct netdevsim *ns)
{
}
#endif

struct nsim_bus_dev { … };

int nsim_bus_init(void);
void nsim_bus_exit(void);
linux/drivers/net/netdevsim/netdevsim.h
