FIB Lookup
[Netlink Families]

Modules
	Request

---

Function Documentation

struct nl_cache* flnl_result_alloc_cache

(

void

)

[read]

Allocates a new lookup result cache and initializes it properly.

Note:

Free the memory after usage using nl_cache_destroy_and_free().

Returns:

Newly allocated cache or NULL if an error occured.

Definition at line 183 of file lookup.c.

References nl_cache_alloc().

struct nl_msg* flnl_lookup_build_request	(	struct flnl_request *	req,
		int	flags
	)			[read]

Parameters:

	req	Requested match.
	flags	additional netlink message flags

Builds a new netlink message requesting a change of link attributes. The netlink message header isn't fully equipped with all relevant fields and must be sent out via nl_send_auto_complete() or supplemented as needed. old must point to a link currently configured in the kernel and tmpl must contain the attributes to be changed set via rtnl_link_set_* functions.

Returns:

New netlink message

Note:

Not all attributes can be changed, see Changeable Attributes for more details.

Definition at line 212 of file lookup.c.

References nl_addr_get_binary_addr(), nlmsg_alloc_simple(), nlmsg_append(), and nlmsg_free().

Referenced by flnl_lookup().

int flnl_lookup	(	struct nl_handle *	handle,
		struct flnl_request *	req,
		struct nl_cache *	cache
	)

Parameters:

	handle	Netlink handle.
	req	Lookup request object.
	cache	Cache for result.

Builds a netlink message to request a FIB lookup, waits for the reply and adds the result to the specified cache.

Returns:

0 on success or a negative error code.

Definition at line 263 of file lookup.c.

References flnl_lookup_build_request(), nl_cache_pickup(), nl_send_auto_complete(), and nlmsg_free().