libnl 1.1
Data Structures | Modules
Classifier Modules
Classifiers

Data Structures

struct  rtnl_cls_ops
 Classifier operations. More...

Modules

 Firewall Classifier
 Universal 32-bit Classifier

Classifier Module API

int rtnl_cls_register (struct rtnl_cls_ops *cops)
 Register a classifier module.
int rtnl_cls_unregister (struct rtnl_cls_ops *cops)
 Unregister a classifier module.
struct rtnl_cls_ops__rtnl_cls_lookup_ops (const char *kind)
struct rtnl_cls_opsrtnl_cls_lookup_ops (struct rtnl_cls *cls)
 Lookup classifier operations for a classifier object.

Function Documentation

int rtnl_cls_register ( struct rtnl_cls_ops cops)
Parameters:
copsclassifier module operations

Definition at line 38 of file cls_api.c.

References rtnl_cls_ops::co_kind, and rtnl_cls_ops::co_next.

{
        struct rtnl_cls_ops *o, **op;

        if (!cops->co_kind)
                BUG();

        for (op = &cls_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;
}
int rtnl_cls_unregister ( struct rtnl_cls_ops cops)
Parameters:
copsclassifier module operations

Definition at line 59 of file cls_api.c.

References rtnl_cls_ops::co_kind, and rtnl_cls_ops::co_next.

{
        struct rtnl_cls_ops *o, **op;

        for (op = &cls_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;
}
struct rtnl_cls_ops* rtnl_cls_lookup_ops ( struct rtnl_cls *  cls) [read]
Parameters:
clsClassifier object.
Returns:
Classifier operations or NULL if not found.

Definition at line 92 of file cls_api.c.

{
        if (!cls->c_ops)
                cls->c_ops = __rtnl_cls_lookup_ops(cls->c_kind);

        return cls->c_ops;
}