Extended Match

Modules
	Simple packet data comparison
Module Registration
int	rtnl_ematch_register (struct rtnl_ematch_ops *ops)
	Register ematch module.
int	rtnl_ematch_unregister (struct rtnl_ematch_ops *ops)
	Unregister ematch module.
struct rtnl_ematch_ops *	rtnl_ematch_lookup_ops (int kind)
	Lookup ematch module by kind.
struct rtnl_ematch_ops *	rtnl_ematch_lookup_ops_name (const char *name)
	Lookup ematch module by name.
Match
struct rtnl_ematch *	rtnl_ematch_alloc (struct rtnl_ematch_ops *ops)
void	rtnl_ematch_add_child (struct rtnl_ematch *parent, struct rtnl_ematch *child)
	Add ematch to the end of the parent's list of children.
void	rtnl_ematch_unlink (struct rtnl_ematch *ematch)
	Remove ematch from the list it is linked to.
void	rtnl_ematch_free (struct rtnl_ematch *ematch)
void	rtnl_ematch_set_flags (struct rtnl_ematch *ematch, uint16_t flags)
void	rtnl_ematch_unset_flags (struct rtnl_ematch *ematch, uint16_t flags)
uint16_t	rtnl_ematch_get_flags (struct rtnl_ematch *ematch)
void *	rtnl_ematch_data (struct rtnl_ematch *ematch)
Tree
struct rtnl_ematch_tree *	rtnl_ematch_tree_alloc (uint16_t progid)
void	rtnl_ematch_tree_free (struct rtnl_ematch_tree *tree)
void	rtnl_ematch_tree_add_tail (struct rtnl_ematch_tree *tree, struct rtnl_ematch *ematch)
int	rtnl_ematch_parse (struct nlattr *attr, struct rtnl_ematch_tree **result)
	Parse ematch netlink attributes.
void	rtnl_ematch_tree_dump (struct rtnl_ematch_tree *tree, struct nl_dump_params *p)

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Function Documentation

int rtnl_ematch_register

(

struct rtnl_ematch_ops *

ops

)

Parameters:

ops	Module operations.

Returns:

0 on success or a negative error code.

Definition at line 39 of file ematch.c.

References rtnl_ematch_lookup_ops().

int rtnl_ematch_unregister

(

struct rtnl_ematch_ops *

ops

)

Parameters:

ops	Module operations.

Returns:

0 on success or a negative error code.

Definition at line 55 of file ematch.c.

struct rtnl_ematch_ops* rtnl_ematch_lookup_ops

(

int

kind

)

[read]

Parameters:

kind	Module kind.

Returns:

Module operations or NULL if not found.

Definition at line 75 of file ematch.c.

Referenced by rtnl_ematch_parse(), and rtnl_ematch_register().

struct rtnl_ematch_ops* rtnl_ematch_lookup_ops_name

(

const char *

name

)

[read]

Parameters:

name	Name of ematch module.

Returns:

Module operations or NULL if not fuond.

Definition at line 92 of file ematch.c.

void rtnl_ematch_add_child	(	struct rtnl_ematch *	parent,
		struct rtnl_ematch *	child
	)

Parameters:

parent	Parent ematch.
child	Ematch to be added as new child of parent.

Definition at line 133 of file ematch.c.

void rtnl_ematch_unlink

(

struct rtnl_ematch *

ematch

)

Parameters:

ematch

Ematch to be unlinked.

Definition at line 143 of file ematch.c.

int rtnl_ematch_parse	(	struct nlattr *	attr,
		struct rtnl_ematch_tree **	result
	)

Returns:

0 on success or a negative error code.

Definition at line 259 of file ematch.c.

References nla_data(), nla_for_each_nested, nla_len(), nla_parse_nested(), nla_total_size(), and rtnl_ematch_lookup_ops().