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/* SPDX-License-Identifier: Apache-2.0
* Copyright (c) 2024 Cisco Systems, Inc.
*/
#ifndef __AUTO_SDL_H__
#define __AUTO_SDL_H__
#include <vlib/unix/plugin.h>
#include <vnet/fib/fib_types.h>
#include <vnet/dpo/dpo.h>
#include <vppinfra/tw_timer_4t_3w_256sl.h>
typedef struct
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
fib_prefix_t prefix;
u32 action_index;
u32 fib_index;
u8 *tag;
u32 last_updated;
u32 tw_handle;
u32 counter;
u8 sdl_added;
} auto_sdl_mapping_t;
#define AUTO_SDL_REMOVE_TIMEOUT 300 /* 5 minutes */
#define AUTO_SDL_THRESHOLD 5 /* 5 times */
typedef struct auto_sdl_per_fib_
{
uword *auto_sdl_fib_pool;
} auto_sdl_per_fib_t;
typedef struct auto_sdl_main
{
u32 remove_timeout;
u32 threshold;
auto_sdl_mapping_t *auto_sdl_pool;
clib_spinlock_t spinlock;
TWT (tw_timer_wheel) tw_wheel;
u32 pid;
auto_sdl_per_fib_t *asdl_pool;
u8 inited;
u8 auto_sdl_enable;
} auto_sdl_main_t;
typedef struct _auto_sdl_config_args_t
{
u32 threshold;
u32 remove_timeout;
i8 enable;
} auto_sdl_config_args_t;
clib_error_t *auto_sdl_config (auto_sdl_config_args_t *args);
typedef uword (*auto_sdl_pool_size_fn_t) (void);
typedef int (*auto_sdl_track_prefix_fn_t) (auto_sdl_track_prefix_args_t *args);
typedef clib_error_t *(*auto_sdl_config_fn_t) (auto_sdl_config_args_t *args);
#define foreach_auto_sdl_plugin_exported_method_name \
_ (track_prefix) \
_ (pool_size) \
_ (config)
#define _(name) auto_sdl_##name##_fn_t name;
typedef struct
{
void *p_asdl_main;
foreach_auto_sdl_plugin_exported_method_name
} auto_sdl_plugin_methods_t;
#undef _
#define AUTO_SDL_LOAD_SYMBOL_FROM_PLUGIN_TO(p, s, st) \
({ \
st = vlib_get_plugin_symbol (p, #s); \
if (!st) \
return clib_error_return (0, "Plugin %s and/or symbol %s not found.", \
p, #s); \
})
typedef clib_error_t *(*auto_sdl_plugin_methods_vtable_init_fn_t) (
auto_sdl_plugin_methods_t *m);
__clib_export clib_error_t *
auto_sdl_plugin_methods_vtable_init (auto_sdl_plugin_methods_t *m);
static inline clib_error_t *
auto_sdl_plugin_exports_init (auto_sdl_plugin_methods_t *m)
{
auto_sdl_plugin_methods_vtable_init_fn_t mvi;
AUTO_SDL_LOAD_SYMBOL_FROM_PLUGIN_TO (
"auto_sdl_plugin.so", auto_sdl_plugin_methods_vtable_init, mvi);
return (mvi (m));
}
#endif /* __AUTO_SDL_H__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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