Class Object

Variables
struct nl_object_ops	class_obj_ops

Allocation/Freeing
struct rtnl_class *	rtnl_class_alloc (void)
void	rtnl_class_put (struct rtnl_class *class)

Leaf Qdisc
struct rtnl_qdisc *	rtnl_class_leaf_qdisc (struct rtnl_class *class, struct nl_cache *cache)
	Lookup the leaf qdisc of a class.

Iterators
void	rtnl_class_foreach_child (struct rtnl_class *class, struct nl_cache *cache, void(*cb)(struct nl_object *, void *), void *arg)
	Call a callback for each child of a class.
void	rtnl_class_foreach_cls (struct rtnl_class *class, struct nl_cache *cache, void(*cb)(struct nl_object *, void *), void *arg)
	Call a callback for each classifier attached to the class.

Attributes
void	rtnl_class_set_ifindex (struct rtnl_class *class, int ifindex)
int	rtnl_class_get_ifindex (struct rtnl_class *class)
void	rtnl_class_set_handle (struct rtnl_class *class, uint32_t handle)
uint32_t	rtnl_class_get_handle (struct rtnl_class *class)
void	rtnl_class_set_parent (struct rtnl_class *class, uint32_t parent)
uint32_t	rtnl_class_get_parent (struct rtnl_class *class)
void	rtnl_class_set_kind (struct rtnl_class *class, const char *name)
char *	rtnl_class_get_kind (struct rtnl_class *class)
uint64_t	rtnl_class_get_stat (struct rtnl_class *class, enum rtnl_tc_stats_id id)

Detailed Description

Function Documentation

rtnl_class_alloc()

struct rtnl_class * rtnl_class_alloc

(

void

)

Definition at line 121 of file class_obj.c.

{
        return (struct rtnl_class *) nl_object_alloc(&class_obj_ops);
}

rtnl_class_put()

void rtnl_class_put

(

struct rtnl_class *

class

)

Definition at line 126 of file class_obj.c.

{
        nl_object_put((struct nl_object *) class);
}

rtnl_class_leaf_qdisc()

struct rtnl_qdisc * rtnl_class_leaf_qdisc	(	struct rtnl_class *	class,
		struct nl_cache *	cache
	)

Parameters

class	the parent class
cache	a qdisc cache including at laest all qdiscs of the interface the specified class is attached to

Returns

The qdisc from the cache or NULL if the class has no leaf qdisc

Definition at line 145 of file class_obj.c.

{
        struct rtnl_qdisc *leaf;
 
        if (!class->c_info)
                return NULL;
 
        leaf = rtnl_qdisc_get_by_parent(cache, class->c_ifindex,
                                        class->c_handle);
        if (!leaf || leaf->q_handle != class->c_info)
                return NULL;
 
        return leaf;
}

References rtnl_qdisc_get_by_parent().

rtnl_class_foreach_child()

void rtnl_class_foreach_child	(	struct rtnl_class *	class,
		struct nl_cache *	cache,
		void(*)(struct nl_object *, void *)	cb,
		void *	arg
	)

Parameters

class	the parent class
cache	a class cache including all classes of the interface the specified class is attached to
cb	callback function
arg	argument to be passed to callback function

Definition at line 177 of file class_obj.c.

{
        struct rtnl_class *filter;
        
        filter = rtnl_class_alloc();
        if (!filter)
                return;
 
        rtnl_class_set_parent(filter, class->c_handle);
        rtnl_class_set_ifindex(filter, class->c_ifindex);
        rtnl_class_set_kind(filter, class->c_kind);
 
        nl_cache_foreach_filter(cache, (struct nl_object *) filter, cb, arg);
        rtnl_class_put(filter);
}

References nl_cache_foreach_filter().

rtnl_class_foreach_cls()

void rtnl_class_foreach_cls	(	struct rtnl_class *	class,
		struct nl_cache *	cache,
		void(*)(struct nl_object *, void *)	cb,
		void *	arg
	)

Parameters

class	the parent class
cache	a filter cache including at least all the filters attached to the specified class
cb	callback function
arg	argument to be passed to callback function

Definition at line 202 of file class_obj.c.

{
        struct rtnl_cls *filter;
 
        filter = rtnl_cls_alloc();
        if (!filter)
                return;
 
        rtnl_cls_set_ifindex(filter, class->c_ifindex);
        rtnl_cls_set_parent(filter, class->c_parent);
 
        nl_cache_foreach_filter(cache, (struct nl_object *) filter, cb, arg);
        rtnl_cls_put(filter);
}

References nl_cache_foreach_filter().

rtnl_class_set_ifindex()

void rtnl_class_set_ifindex	(	struct rtnl_class *	class,
		int	ifindex
	)

Definition at line 226 of file class_obj.c.

{
        tca_set_ifindex((struct rtnl_tca *) class, ifindex);
}

rtnl_class_get_ifindex()

int rtnl_class_get_ifindex

(

struct rtnl_class *

class

)

Definition at line 231 of file class_obj.c.

{
        return tca_get_ifindex((struct rtnl_tca *) class);
}

rtnl_class_set_handle()

void rtnl_class_set_handle	(	struct rtnl_class *	class,
		uint32_t	handle
	)

Definition at line 236 of file class_obj.c.

{
        tca_set_handle((struct rtnl_tca *) class, handle);
}

rtnl_class_get_handle()

uint32_t rtnl_class_get_handle

(

struct rtnl_class *

class

)

Definition at line 241 of file class_obj.c.

{
        return tca_get_handle((struct rtnl_tca *) class);
}

rtnl_class_set_parent()

void rtnl_class_set_parent	(	struct rtnl_class *	class,
		uint32_t	parent
	)

Definition at line 246 of file class_obj.c.

{
        tca_set_parent((struct rtnl_tca *) class, parent);
}

rtnl_class_get_parent()

uint32_t rtnl_class_get_parent

(

struct rtnl_class *

class

)

Definition at line 251 of file class_obj.c.

{
        return tca_get_parent((struct rtnl_tca *) class);
}

rtnl_class_set_kind()

void rtnl_class_set_kind	(	struct rtnl_class *	class,
		const char *	name
	)

Definition at line 256 of file class_obj.c.

{
        tca_set_kind((struct rtnl_tca *) class, name);
        class->c_ops = __rtnl_class_lookup_ops(name);
}

rtnl_class_get_kind()

char * rtnl_class_get_kind

(

struct rtnl_class *

class

)

Definition at line 262 of file class_obj.c.

{
        return tca_get_kind((struct rtnl_tca *) class);
}

rtnl_class_get_stat()

uint64_t rtnl_class_get_stat	(	struct rtnl_class *	class,
		enum rtnl_tc_stats_id	id
	)

Definition at line 267 of file class_obj.c.

{
        return tca_get_stat((struct rtnl_tca *) class, id);
}

Variable Documentation

class_obj_ops

struct nl_object_ops class_obj_ops

Initial value:

= {
        .oo_name                = "route/class",
        .oo_size                = sizeof(struct rtnl_class),
        .oo_free_data           = class_free_data,
        .oo_clone               = class_clone,
        .oo_dump[NL_DUMP_BRIEF] = class_dump_brief,
        .oo_dump[NL_DUMP_FULL]  = class_dump_full,
        .oo_dump[NL_DUMP_STATS] = class_dump_stats,
        .oo_compare             = tca_compare,
        .oo_id_attrs            = (TCA_ATTR_IFINDEX | TCA_ATTR_HANDLE),
}

Definition at line 275 of file class_obj.c.