ip6tnl link module More...

Data Structures
struct	ip6_tnl_info

Macros
#define	IP6_TNL_ATTR_LINK (1 << 0)
#define	IP6_TNL_ATTR_LOCAL (1 << 1)
#define	IP6_TNL_ATTR_REMOTE (1 << 2)
#define	IP6_TNL_ATTR_TTL (1 << 3)
#define	IP6_TNL_ATTR_TOS (1 << 4)
#define	IP6_TNL_ATTR_ENCAPLIMIT (1 << 5)
#define	IP6_TNL_ATTR_FLAGS (1 << 6)
#define	IP6_TNL_ATTR_PROTO (1 << 7)
#define	IP6_TNL_ATTR_FLOWINFO (1 << 8)
#define	IP6_TNL_ATTR_FWMARK (1 << 9)
#define	IP6_TNL_ATTR_CMTD (1 << 10)
#define	IS_IP6_TNL_LINK_ASSERT(link)

Functions
struct rtnl_link *	rtnl_link_ip6_tnl_alloc (void)
int	rtnl_link_is_ip6_tnl (struct rtnl_link *link)
	Check if link is a IP6_TNL link.
int	rtnl_link_ip6_tnl_add (struct nl_sock sk, const char name)
	Create a new ip6_tnl tunnel device.
int	rtnl_link_ip6_tnl_set_link (struct rtnl_link *link, uint32_t index)
	Set IP6_TNL tunnel interface index.
uint32_t	rtnl_link_ip6_tnl_get_link (struct rtnl_link *link)
	Get IP6_TNL tunnel interface index.
int	rtnl_link_ip6_tnl_set_local (struct rtnl_link link, struct in6_addr addr)
	Set IP6_TNL tunnel local address.
int	rtnl_link_ip6_tnl_get_local (struct rtnl_link link, struct in6_addr addr)
	Get IP6_TNL tunnel local address.
int	rtnl_link_ip6_tnl_set_remote (struct rtnl_link link, struct in6_addr addr)
	Set IP6_TNL tunnel remote address.
int	rtnl_link_ip6_tnl_get_remote (struct rtnl_link link, struct in6_addr addr)
	Get IP6_TNL tunnel remote address.
int	rtnl_link_ip6_tnl_set_ttl (struct rtnl_link *link, uint8_t ttl)
	Set IP6_TNL tunnel ttl.
uint8_t	rtnl_link_ip6_tnl_get_ttl (struct rtnl_link *link)
	Get IP6_TNL tunnel ttl.
int	rtnl_link_ip6_tnl_set_tos (struct rtnl_link *link, uint8_t tos)
	Set IP6_TNL tunnel tos.
uint8_t	rtnl_link_ip6_tnl_get_tos (struct rtnl_link *link)
	Get IP6_TNL tunnel tos.
int	rtnl_link_ip6_tnl_set_encaplimit (struct rtnl_link *link, uint8_t encap_limit)
	Set IP6_TNL tunnel encap limit.
uint8_t	rtnl_link_ip6_tnl_get_encaplimit (struct rtnl_link *link)
	Get IP6_TNL encaplimit.
int	rtnl_link_ip6_tnl_set_flowinfo (struct rtnl_link *link, uint32_t flowinfo)
	Set IP6_TNL tunnel flowinfo.
uint32_t	rtnl_link_ip6_tnl_get_flowinfo (struct rtnl_link *link)
	Get IP6_TNL flowinfo.
int	rtnl_link_ip6_tnl_set_flags (struct rtnl_link *link, uint32_t flags)
	Set IP6_TNL tunnel flags.
uint32_t	rtnl_link_ip6_tnl_get_flags (struct rtnl_link *link)
	Get IP6_TNL path flags.
int	rtnl_link_ip6_tnl_set_collect_metadata (struct rtnl_link *link, int enable)
	Set IP6_TNL collect-metadata flag.
int	rtnl_link_ip6_tnl_get_collect_metadata (struct rtnl_link link, int enable)
	Get IP6_TNL collect-metadata flag.
int	rtnl_link_ip6_tnl_set_proto (struct rtnl_link *link, uint8_t proto)
	Set IP6_TNL tunnel proto.
uint8_t	rtnl_link_ip6_tnl_get_proto (struct rtnl_link *link)
	Get IP6_TNL proto.
int	rtnl_link_ip6_tnl_set_fwmark (struct rtnl_link *link, uint32_t fwmark)
	Set IP6_TNL tunnel fwmark.
int	rtnl_link_ip6_tnl_get_fwmark (struct rtnl_link link, uint32_t fwmark)
	Get IP6_TNL tunnel fwmark.

Variables
uint8_t	ip6_tnl_info::ttl
uint8_t	ip6_tnl_info::tos
uint8_t	ip6_tnl_info::encap_limit
uint8_t	ip6_tnl_info::proto
uint32_t	ip6_tnl_info::flags
uint32_t	ip6_tnl_info::link
uint32_t	ip6_tnl_info::flowinfo
struct in6_addr	ip6_tnl_info::local
struct in6_addr	ip6_tnl_info::remote
uint32_t	ip6_tnl_info::fwmark
uint32_t	ip6_tnl_info::ip6_tnl_mask

Detailed Description

ip6tnl link module

Link Type Name: "ip6tnl"

IP6TNL Documentation (Netlink Routing Development Guide)

Macro Definition Documentation

◆ IP6_TNL_ATTR_LINK

#define IP6_TNL_ATTR_LINK (1 << 0)

Definition at line 34 of file ip6tnl.c.

◆ IP6_TNL_ATTR_LOCAL

#define IP6_TNL_ATTR_LOCAL (1 << 1)

Definition at line 35 of file ip6tnl.c.

◆ IP6_TNL_ATTR_REMOTE

#define IP6_TNL_ATTR_REMOTE (1 << 2)

Definition at line 36 of file ip6tnl.c.

◆ IP6_TNL_ATTR_TTL

#define IP6_TNL_ATTR_TTL (1 << 3)

Definition at line 37 of file ip6tnl.c.

◆ IP6_TNL_ATTR_TOS

#define IP6_TNL_ATTR_TOS (1 << 4)

Definition at line 38 of file ip6tnl.c.

◆ IP6_TNL_ATTR_ENCAPLIMIT

#define IP6_TNL_ATTR_ENCAPLIMIT (1 << 5)

Definition at line 39 of file ip6tnl.c.

◆ IP6_TNL_ATTR_FLAGS

#define IP6_TNL_ATTR_FLAGS (1 << 6)

Definition at line 40 of file ip6tnl.c.

◆ IP6_TNL_ATTR_PROTO

#define IP6_TNL_ATTR_PROTO (1 << 7)

Definition at line 41 of file ip6tnl.c.

◆ IP6_TNL_ATTR_FLOWINFO

#define IP6_TNL_ATTR_FLOWINFO (1 << 8)

Definition at line 42 of file ip6tnl.c.

◆ IP6_TNL_ATTR_FWMARK

#define IP6_TNL_ATTR_FWMARK (1 << 9)

Definition at line 43 of file ip6tnl.c.

◆ IP6_TNL_ATTR_CMTD

#define IP6_TNL_ATTR_CMTD (1 << 10)

Definition at line 44 of file ip6tnl.c.

◆ IS_IP6_TNL_LINK_ASSERT

#define IS_IP6_TNL_LINK_ASSERT ( link )

Value:

        if ((link)->l_info_ops != &ip6_tnl_info_ops) {                            \
                APPBUG("Link is not a ip6_tnl link. set type \"ip6tnl\" first."); \
                return -NLE_OPNOTSUPP;                                            \
        }

Definition at line 346 of file ip6tnl.c.

Function Documentation

◆ rtnl_link_ip6_tnl_alloc()

struct rtnl_link * rtnl_link_ip6_tnl_alloc ( void )

Definition at line 352 of file ip6tnl.c.

◆ rtnl_link_is_ip6_tnl()

int rtnl_link_is_ip6_tnl ( struct rtnl_link * link )

Check if link is a IP6_TNL link.

Parameters

link	Link object

Returns: True if link is a IP6_TNL link, otherwise false is returned.

Definition at line 376 of file ip6tnl.c.

References rtnl_link_info_ops::io_name.

◆ rtnl_link_ip6_tnl_add()

int rtnl_link_ip6_tnl_add	(	struct nl_sock *	sk,
		const char *	name )

Create a new ip6_tnl tunnel device.

Parameters

sock	netlink socket
name	name of the tunnel device

Creates a new ip6_tnl tunnel device in the kernel

Returns: 0 on success or a negative error code

Definition at line 389 of file ip6tnl.c.

References rtnl_link_add(), rtnl_link_put(), and rtnl_link_set_name().

Here is the call graph for this function:

◆ rtnl_link_ip6_tnl_set_link()

int rtnl_link_ip6_tnl_set_link	(	struct rtnl_link *	link,
		uint32_t	index )

Set IP6_TNL tunnel interface index.

Parameters

link	Link object
index	interface index

Returns: 0 on success or a negative error code

Definition at line 414 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_link()

uint32_t rtnl_link_ip6_tnl_get_link ( struct rtnl_link * link )

Get IP6_TNL tunnel interface index.

Parameters

link	Link object

Returns: interface index value

Definition at line 432 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_local()

int rtnl_link_ip6_tnl_set_local	(	struct rtnl_link *	link,
		struct in6_addr *	addr )

Set IP6_TNL tunnel local address.

Parameters

link	Link object
addr	local address

Returns: 0 on success or a negative error code

Definition at line 448 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_local()

int rtnl_link_ip6_tnl_get_local	(	struct rtnl_link *	link,
		struct in6_addr *	addr )

Get IP6_TNL tunnel local address.

Parameters

link	Link object

Returns: 0 on success or a negative error code

Definition at line 466 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_remote()

int rtnl_link_ip6_tnl_set_remote	(	struct rtnl_link *	link,
		struct in6_addr *	addr )

Set IP6_TNL tunnel remote address.

Parameters

link	Link object
remote	remote address

Returns: 0 on success or a negative error code

Definition at line 484 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_remote()

int rtnl_link_ip6_tnl_get_remote	(	struct rtnl_link *	link,
		struct in6_addr *	addr )

Get IP6_TNL tunnel remote address.

Parameters

link	Link object

Returns: 0 on success or a negative error code

Definition at line 502 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_ttl()

int rtnl_link_ip6_tnl_set_ttl	(	struct rtnl_link *	link,
		uint8_t	ttl )

Set IP6_TNL tunnel ttl.

Parameters

link	Link object
ttl	tunnel ttl

Returns: 0 on success or a negative error code

Definition at line 520 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_ttl()

uint8_t rtnl_link_ip6_tnl_get_ttl ( struct rtnl_link * link )

Get IP6_TNL tunnel ttl.

Parameters

link	Link object

Returns: ttl value

Definition at line 538 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_tos()

int rtnl_link_ip6_tnl_set_tos	(	struct rtnl_link *	link,
		uint8_t	tos )

Set IP6_TNL tunnel tos.

Parameters

link	Link object
tos	tunnel tos

Returns: 0 on success or a negative error code

Definition at line 554 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_tos()

uint8_t rtnl_link_ip6_tnl_get_tos ( struct rtnl_link * link )

Get IP6_TNL tunnel tos.

Parameters

link	Link object

Returns: tos value

Definition at line 572 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_encaplimit()

int rtnl_link_ip6_tnl_set_encaplimit	(	struct rtnl_link *	link,
		uint8_t	encap_limit )

Set IP6_TNL tunnel encap limit.

Parameters

link	Link object
encap_limit	encaplimit value

Returns: 0 on success or a negative error code

Definition at line 588 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_encaplimit()

uint8_t rtnl_link_ip6_tnl_get_encaplimit ( struct rtnl_link * link )

Get IP6_TNL encaplimit.

Parameters

link	Link object

Returns: encaplimit value

Definition at line 607 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_flowinfo()

int rtnl_link_ip6_tnl_set_flowinfo	(	struct rtnl_link *	link,
		uint32_t	flowinfo )

Set IP6_TNL tunnel flowinfo.

Parameters

link	Link object
flowinfo	flowinfo value

Returns: 0 on success or a negative error code

Definition at line 623 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_flowinfo()

uint32_t rtnl_link_ip6_tnl_get_flowinfo ( struct rtnl_link * link )

Get IP6_TNL flowinfo.

Parameters

link	Link object

Returns: flowinfo value

Definition at line 641 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_flags()

int rtnl_link_ip6_tnl_set_flags	(	struct rtnl_link *	link,
		uint32_t	flags )

Set IP6_TNL tunnel flags.

Parameters

link	Link object
flags	tunnel flags

Returns: 0 on success or a negative error code

Definition at line 657 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_flags()

uint32_t rtnl_link_ip6_tnl_get_flags ( struct rtnl_link * link )

Get IP6_TNL path flags.

Parameters

link	Link object

Returns: flags value

Definition at line 675 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_collect_metadata()

int rtnl_link_ip6_tnl_set_collect_metadata	(	struct rtnl_link *	link,
		int	enable )

Set IP6_TNL collect-metadata flag.

Parameters

link	Link object
enable	0 to disable, non-zero to enable

Enable or disable the collect-metadata mode on the ip6tnl link.

Returns: 0 on success or a negative error code

Definition at line 693 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_collect_metadata()

int rtnl_link_ip6_tnl_get_collect_metadata	(	struct rtnl_link *	link,
		int *	enable )

Get IP6_TNL collect-metadata flag.

Parameters

link	Link object
enable	Pointer to int which will be set to the current state (0 if disabled, non-zero if enabled)

Returns: 0 on success or a negative error code

Definition at line 715 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_proto()

int rtnl_link_ip6_tnl_set_proto	(	struct rtnl_link *	link,
		uint8_t	proto )

Set IP6_TNL tunnel proto.

Parameters

link	Link object
proto	tunnel proto

Returns: 0 on success or a negative error code

Definition at line 736 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_proto()

uint8_t rtnl_link_ip6_tnl_get_proto ( struct rtnl_link * link )

Get IP6_TNL proto.

Parameters

link	Link object

Returns: proto value

Definition at line 754 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_set_fwmark()

int rtnl_link_ip6_tnl_set_fwmark	(	struct rtnl_link *	link,
		uint32_t	fwmark )

Set IP6_TNL tunnel fwmark.

Parameters

link	Link object
fwmark	fwmark

Returns: 0 on success or a negative error code

Definition at line 770 of file ip6tnl.c.

◆ rtnl_link_ip6_tnl_get_fwmark()

int rtnl_link_ip6_tnl_get_fwmark	(	struct rtnl_link *	link,
		uint32_t *	fwmark )

Get IP6_TNL tunnel fwmark.

Parameters

link	Link object
fwmark	addr to fill in with the fwmark

Returns: 0 on success or a negative error code

Definition at line 789 of file ip6tnl.c.

Variable Documentation

◆ ttl

uint8_t ip6_tnl_info::ttl

Definition at line 47 of file ip6tnl.c.

◆ tos

uint8_t ip6_tnl_info::tos

Definition at line 48 of file ip6tnl.c.

◆ encap_limit

uint8_t ip6_tnl_info::encap_limit

Definition at line 49 of file ip6tnl.c.

◆ proto

uint8_t ip6_tnl_info::proto

Definition at line 50 of file ip6tnl.c.

◆ flags

uint32_t ip6_tnl_info::flags

Definition at line 51 of file ip6tnl.c.

◆ link

uint32_t ip6_tnl_info::link

Definition at line 52 of file ip6tnl.c.

◆ flowinfo

uint32_t ip6_tnl_info::flowinfo

Definition at line 53 of file ip6tnl.c.

◆ local

struct in6_addr ip6_tnl_info::local

Definition at line 54 of file ip6tnl.c.

◆ remote

struct in6_addr ip6_tnl_info::remote

Definition at line 55 of file ip6tnl.c.

◆ fwmark

uint32_t ip6_tnl_info::fwmark

Definition at line 56 of file ip6tnl.c.

◆ ip6_tnl_mask

uint32_t ip6_tnl_info::ip6_tnl_mask

Definition at line 57 of file ip6tnl.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ IP6_TNL_ATTR_LINK

◆ IP6_TNL_ATTR_LOCAL

◆ IP6_TNL_ATTR_REMOTE

◆ IP6_TNL_ATTR_TTL

◆ IP6_TNL_ATTR_TOS

◆ IP6_TNL_ATTR_ENCAPLIMIT

◆ IP6_TNL_ATTR_FLAGS

◆ IP6_TNL_ATTR_PROTO

◆ IP6_TNL_ATTR_FLOWINFO

◆ IP6_TNL_ATTR_FWMARK

◆ IP6_TNL_ATTR_CMTD

◆ IS_IP6_TNL_LINK_ASSERT

Function Documentation

◆ rtnl_link_ip6_tnl_alloc()

◆ rtnl_link_is_ip6_tnl()

◆ rtnl_link_ip6_tnl_add()

◆ rtnl_link_ip6_tnl_set_link()

◆ rtnl_link_ip6_tnl_get_link()

◆ rtnl_link_ip6_tnl_set_local()

◆ rtnl_link_ip6_tnl_get_local()

◆ rtnl_link_ip6_tnl_set_remote()

◆ rtnl_link_ip6_tnl_get_remote()

◆ rtnl_link_ip6_tnl_set_ttl()

◆ rtnl_link_ip6_tnl_get_ttl()

◆ rtnl_link_ip6_tnl_set_tos()

◆ rtnl_link_ip6_tnl_get_tos()

◆ rtnl_link_ip6_tnl_set_encaplimit()

◆ rtnl_link_ip6_tnl_get_encaplimit()

◆ rtnl_link_ip6_tnl_set_flowinfo()

◆ rtnl_link_ip6_tnl_get_flowinfo()

◆ rtnl_link_ip6_tnl_set_flags()

◆ rtnl_link_ip6_tnl_get_flags()

◆ rtnl_link_ip6_tnl_set_collect_metadata()

◆ rtnl_link_ip6_tnl_get_collect_metadata()

◆ rtnl_link_ip6_tnl_set_proto()

◆ rtnl_link_ip6_tnl_get_proto()

◆ rtnl_link_ip6_tnl_set_fwmark()

◆ rtnl_link_ip6_tnl_get_fwmark()

Variable Documentation

◆ ttl

◆ tos

◆ encap_limit

◆ proto

◆ flags

◆ link

◆ flowinfo

◆ local

◆ remote

◆ fwmark

◆ ip6_tnl_mask