Routing

Collaboration diagram for Routing:

Modules
	Route Object
	Utilities
	Routing Utility Functions.

Cache Management
int	rtnl_route_alloc_cache (struct nl_sock *sk, int family, int flags, struct nl_cache **result)
	Build a route cache holding all routes currently configured in the kernel. More...

Route Addition
int	rtnl_route_build_add_request (struct rtnl_route *tmpl, int flags, struct nl_msg **result)
int	rtnl_route_add (struct nl_sock *sk, struct rtnl_route *route, int flags)
int	rtnl_route_build_del_request (struct rtnl_route *tmpl, int flags, struct nl_msg **result)
int	rtnl_route_delete (struct nl_sock *sk, struct rtnl_route *route, int flags)

Detailed Description

Function Documentation

int rtnl_route_add	(	struct nl_sock *	sk,
		struct rtnl_route *	route,
		int	flags
	)

References nl_send_auto_complete(), nlmsg_free(), and rtnl_route_build_add_request().

Referenced by main().

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int rtnl_route_alloc_cache	(	struct nl_sock *	sk,
		int	family,
		int	flags,
		struct nl_cache **	result
	)

Build a route cache holding all routes currently configured in the kernel.

• sk Netlink socket.
• family Address family of routes to cover or AF_UNSPEC
• flags Flags

Allocates a new cache, initializes it properly and updates it to contain all routes currently configured in the kernel.

Note

The caller is responsible for destroying and freeing the cache after using it.

Returns

The cache or NULL if an error has occured.

References nl_cache::c_iarg1, nl_cache::c_iarg2, flags, nl_cache_alloc(), nl_cache_refill(), and NLE_NOMEM.

Referenced by nl_cli_route_alloc_cache().

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int rtnl_route_build_add_request	(	struct rtnl_route *	tmpl,
		int	flags,
		struct nl_msg **	result
	)

References NLM_F_CREATE, and RTM_NEWROUTE.

Referenced by rtnl_route_add().

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int rtnl_route_build_del_request	(	struct rtnl_route *	tmpl,
		int	flags,
		struct nl_msg **	result
	)

References RTM_DELROUTE.

Referenced by rtnl_route_delete().

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int rtnl_route_delete	(	struct nl_sock *	sk,
		struct rtnl_route *	route,
		int	flags
	)

References nl_send_auto_complete(), nlmsg_free(), and rtnl_route_build_del_request().

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