Class Modules

Modules
	Class Based Queueing (CBQ)
	Differentiated Services Marker (DSMARK)
	Hierachical Token Bucket (HTB)

Data Structures
struct	rtnl_class_ops
	Class operations. More...

Module API
int	rtnl_class_register (struct rtnl_class_ops *cops)
	Register a class module.
int	rtnl_class_unregister (struct rtnl_class_ops *cops)
	Unregister a class module.
struct rtnl_class_ops *	__rtnl_class_lookup_ops (const char *kind)
struct rtnl_class_ops *	rtnl_class_lookup_ops (struct rtnl_class *class)
	Lookup class operations for a class object.

Detailed Description

Function Documentation

rtnl_class_register()

int rtnl_class_register

(

struct rtnl_class_ops *

cops

)

Parameters

cops	class module operations

Definition at line 37 of file class_api.c.

{
        struct rtnl_class_ops *o, **op;
 
        if (!cops->co_kind[0])
                BUG();
 
        for (op = &class_ops_list; (o = *op) != NULL; op = &o->co_next)
                if (!strcasecmp(cops->co_kind, o->co_kind))
                        return nl_errno(EEXIST);
 
        cops->co_next = NULL;
        *op = cops;
 
        return 0;
}

References rtnl_class_ops::co_kind, and rtnl_class_ops::co_next.

rtnl_class_unregister()

int rtnl_class_unregister

(

struct rtnl_class_ops *

cops

)

Parameters

cops	class module operations

Definition at line 58 of file class_api.c.

{
        struct rtnl_class_ops *o, **op;
 
        for (op = &class_ops_list; (o = *op) != NULL; op = &o->co_next)
                if (!strcasecmp(cops->co_kind, o->co_kind))
                        break;
 
        if (!o)
                return nl_errno(ENOENT);
 
        *op = cops->co_next;
 
        return 0;
}

References rtnl_class_ops::co_kind, and rtnl_class_ops::co_next.

__rtnl_class_lookup_ops()

struct rtnl_class_ops * __rtnl_class_lookup_ops

(

const char *

kind

)

Definition at line 74 of file class_api.c.

{
        struct rtnl_class_ops *cops;
 
        for (cops = class_ops_list; cops; cops = cops->co_next)
                if (!strcmp(kind, cops->co_kind))
                        return cops;
 
        return NULL;
}

rtnl_class_lookup_ops()

struct rtnl_class_ops * rtnl_class_lookup_ops

(

struct rtnl_class *

class

)

Parameters

class

Class object.

Returns

Class operations or NULL if not found.

Definition at line 91 of file class_api.c.

{
        if (!class->c_ops)
                class->c_ops = __rtnl_class_lookup_ops(class->c_kind);
 
        return class->c_ops;
}