ip6gre link module More...

Data Structures
struct	ip6gre_info

Macros
#define	IP6GRE_ATTR_LINK (1 << 0)

#define	IP6GRE_ATTR_IFLAGS (1 << 1)

#define	IP6GRE_ATTR_OFLAGS (1 << 2)

#define	IP6GRE_ATTR_IKEY (1 << 3)

#define	IP6GRE_ATTR_OKEY (1 << 4)

#define	IP6GRE_ATTR_LOCAL (1 << 5)

#define	IP6GRE_ATTR_REMOTE (1 << 6)

#define	IP6GRE_ATTR_TTL (1 << 7)

#define	IP6GRE_ATTR_ENCAPLIMIT (1 << 8)

#define	IP6GRE_ATTR_FLOWINFO (1 << 9)

#define	IP6GRE_ATTR_FLAGS (1 << 10)

#define	IP6GRE_ATTR_FWMARK (1 << 11)

#define	IS_IP6GRE_LINK_ASSERT(link)

#define	HAS_IP6GRE_ATTR_ASSERT(link, attr)

Functions
struct rtnl_link *	rtnl_link_ip6gre_alloc (void)

int	rtnl_link_is_ip6gre (struct rtnl_link *link)
	Check if link is a IP6GRE link. More...

int	rtnl_link_ip6gre_add (struct nl_sock sk, const char name)
	Create a new IP6GRE tunnel device. More...

int	rtnl_link_ip6gre_set_link (struct rtnl_link *link, uint32_t index)
	Set IP6GRE tunnel interface index. More...

int	rtnl_link_ip6gre_get_link (struct rtnl_link link, uint32_t index)
	Get IP6GRE tunnel interface index. More...

int	rtnl_link_ip6gre_set_iflags (struct rtnl_link *link, uint16_t iflags)
	Set IP6GRE tunnel set iflags. More...

int	rtnl_link_ip6gre_get_iflags (struct rtnl_link link, uint16_t iflags)
	Get IP6GRE tunnel iflags. More...

int	rtnl_link_ip6gre_set_oflags (struct rtnl_link *link, uint16_t oflags)
	Set IP6GRE tunnel set oflags. More...

int	rtnl_link_ip6gre_get_oflags (struct rtnl_link link, uint16_t oflags)
	Get IP6GRE tunnel oflags. More...

int	rtnl_link_ip6gre_set_ikey (struct rtnl_link *link, uint32_t ikey)
	Set IP6GRE tunnel set ikey. More...

int	rtnl_link_ip6gre_get_ikey (struct rtnl_link link, uint32_t ikey)
	Get IP6GRE tunnel ikey. More...

int	rtnl_link_ip6gre_set_okey (struct rtnl_link *link, uint32_t okey)
	Set IP6GRE tunnel set okey. More...

int	rtnl_link_ip6gre_get_okey (struct rtnl_link link, uint32_t okey)
	Get IP6GRE tunnel okey. More...

int	rtnl_link_ip6gre_set_local (struct rtnl_link link, struct in6_addr local)
	Set IP6GRE tunnel local address. More...

int	rtnl_link_ip6gre_get_local (struct rtnl_link link, struct in6_addr local)
	Get IP6GRE tunnel local address. More...

int	rtnl_link_ip6gre_set_remote (struct rtnl_link link, struct in6_addr remote)
	Set IP6GRE tunnel remote address. More...

int	rtnl_link_ip6gre_get_remote (struct rtnl_link link, struct in6_addr remote)
	Get IP6GRE tunnel remote address. More...

int	rtnl_link_ip6gre_set_ttl (struct rtnl_link *link, uint8_t ttl)
	Set IP6GRE tunnel ttl. More...

int	rtnl_link_ip6gre_get_ttl (struct rtnl_link link, uint8_t ttl)
	Set IP6GRE tunnel ttl. More...

int	rtnl_link_ip6gre_set_encaplimit (struct rtnl_link *link, uint8_t encaplimit)
	Set IP6GRE tunnel encap limit. More...

int	rtnl_link_ip6gre_get_encaplimit (struct rtnl_link link, uint8_t encaplimit)
	Get IP6GRE tunnel encap limit. More...

int	rtnl_link_ip6gre_set_flowinfo (struct rtnl_link *link, uint32_t flowinfo)
	Set IP6GRE tunnel flowinfo. More...

int	rtnl_link_ip6gre_get_flowinfo (struct rtnl_link link, uint32_t flowinfo)
	Get IP6GRE flowinfo. More...

int	rtnl_link_ip6gre_set_flags (struct rtnl_link *link, uint32_t flags)
	Set IP6GRE tunnel flags. More...

int	rtnl_link_ip6gre_get_flags (struct rtnl_link link, uint32_t flags)
	Get IP6GRE flags. More...

int	rtnl_link_ip6gre_set_fwmark (struct rtnl_link *link, uint32_t fwmark)
	Set IP6GRE tunnel fwmark. More...

int	rtnl_link_ip6gre_get_fwmark (struct rtnl_link link, uint32_t fwmark)
	Get IP6GRE tunnel fwmark. More...

Variables
uint8_t	ip6gre_info::ttl

uint8_t	ip6gre_info::encaplimit

uint16_t	ip6gre_info::iflags

uint16_t	ip6gre_info::oflags

uint32_t	ip6gre_info::ikey

uint32_t	ip6gre_info::okey

uint32_t	ip6gre_info::link

uint32_t	ip6gre_info::flowinfo

uint32_t	ip6gre_info::flags

struct in6_addr	ip6gre_info::local

struct in6_addr	ip6gre_info::remote

uint32_t	ip6gre_info::fwmark

uint32_t	ip6gre_info::ip6gre_mask

Detailed Description

ip6gre link module

Link Type Name: "ip6gre"

IP6GRE Documentation (Netlink Routing Development Guide)

Macro Definition Documentation

◆ IP6GRE_ATTR_LINK

#define IP6GRE_ATTR_LINK (1 << 0)

Definition at line 26 of file ip6gre.c.

◆ IP6GRE_ATTR_IFLAGS

#define IP6GRE_ATTR_IFLAGS (1 << 1)

Definition at line 27 of file ip6gre.c.

◆ IP6GRE_ATTR_OFLAGS

#define IP6GRE_ATTR_OFLAGS (1 << 2)

Definition at line 28 of file ip6gre.c.

◆ IP6GRE_ATTR_IKEY

#define IP6GRE_ATTR_IKEY (1 << 3)

Definition at line 29 of file ip6gre.c.

◆ IP6GRE_ATTR_OKEY

#define IP6GRE_ATTR_OKEY (1 << 4)

Definition at line 30 of file ip6gre.c.

◆ IP6GRE_ATTR_LOCAL

#define IP6GRE_ATTR_LOCAL (1 << 5)

Definition at line 31 of file ip6gre.c.

◆ IP6GRE_ATTR_REMOTE

#define IP6GRE_ATTR_REMOTE (1 << 6)

Definition at line 32 of file ip6gre.c.

◆ IP6GRE_ATTR_TTL

#define IP6GRE_ATTR_TTL (1 << 7)

Definition at line 33 of file ip6gre.c.

◆ IP6GRE_ATTR_ENCAPLIMIT

#define IP6GRE_ATTR_ENCAPLIMIT (1 << 8)

Definition at line 34 of file ip6gre.c.

◆ IP6GRE_ATTR_FLOWINFO

#define IP6GRE_ATTR_FLOWINFO (1 << 9)

Definition at line 35 of file ip6gre.c.

◆ IP6GRE_ATTR_FLAGS

#define IP6GRE_ATTR_FLAGS (1 << 10)

Definition at line 36 of file ip6gre.c.

◆ IP6GRE_ATTR_FWMARK

#define IP6GRE_ATTR_FWMARK (1 << 11)

Definition at line 37 of file ip6gre.c.

◆ IS_IP6GRE_LINK_ASSERT

#define IS_IP6GRE_LINK_ASSERT ( link )

Value:

        if ((link)->l_info_ops != &ip6gre_info_ops) {                           \
                APPBUG("Link is not a ip6gre link. set type \"ip6gre\" first.");\
                return -NLE_OPNOTSUPP;                                          \
        }

Definition at line 345 of file ip6gre.c.

◆ HAS_IP6GRE_ATTR_ASSERT

#define HAS_IP6GRE_ATTR_ASSERT	(	link,
		attr
	)

Value:

if (!((link)->ip6gre_mask & (attr))) \

return -NLE_NOATTR;

Definition at line 351 of file ip6gre.c.

Function Documentation

◆ rtnl_link_ip6gre_alloc()

struct rtnl_link * rtnl_link_ip6gre_alloc ( void )

Definition at line 355 of file ip6gre.c.

◆ rtnl_link_is_ip6gre()

int rtnl_link_is_ip6gre ( struct rtnl_link * link )

Check if link is a IP6GRE link.

Parameters

link	Link object

Returns: True if link is a IP6GRE link, otherwise 0 is returned.

Definition at line 379 of file ip6gre.c.

◆ rtnl_link_ip6gre_add()

int rtnl_link_ip6gre_add	(	struct nl_sock *	sk,
		const char *	name
	)

Create a new IP6GRE tunnel device.

Parameters

sock	netlink socket
name	name of the tunnel deviceL

Creates a new ip6gre tunnel device in the kernel

Returns: 0 on success or a negative error code

Definition at line 392 of file ip6gre.c.

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

Here is the call graph for this function:

◆ rtnl_link_ip6gre_set_link()

int rtnl_link_ip6gre_set_link	(	struct rtnl_link *	link,
		uint32_t	index
	)

Set IP6GRE tunnel interface index.

Parameters

link	Link object
index	interface index

Returns: 0 on success or a negative error code

Definition at line 417 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_link()

int rtnl_link_ip6gre_get_link	(	struct rtnl_link *	link,
		uint32_t *	index
	)

Get IP6GRE tunnel interface index.

Parameters

link	Link object
index	addr to fill in with the interface index

Returns: 0 on success or a negative error code

Definition at line 436 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_iflags()

int rtnl_link_ip6gre_set_iflags	(	struct rtnl_link *	link,
		uint16_t	iflags
	)

Set IP6GRE tunnel set iflags.

Parameters

link	Link object
iflags	ip6gre iflags

Returns: 0 on success or a negative error code

Definition at line 456 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_iflags()

int rtnl_link_ip6gre_get_iflags	(	struct rtnl_link *	link,
		uint16_t *	iflags
	)

Get IP6GRE tunnel iflags.

Parameters

link	Link object
iflags	addr to fill in with the iflags

Returns: 0 on success or a negative error code

Definition at line 475 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_oflags()

int rtnl_link_ip6gre_set_oflags	(	struct rtnl_link *	link,
		uint16_t	oflags
	)

Set IP6GRE tunnel set oflags.

Parameters

link	Link object
oflags	ip6gre oflags

Returns: 0 on success or a negative error code

Definition at line 495 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_oflags()

int rtnl_link_ip6gre_get_oflags	(	struct rtnl_link *	link,
		uint16_t *	oflags
	)

Get IP6GRE tunnel oflags.

Parameters

link	Link object
oflags	addr to fill in with the oflags

Returns: 0 on success or a negative error code

Definition at line 514 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_ikey()

int rtnl_link_ip6gre_set_ikey	(	struct rtnl_link *	link,
		uint32_t	ikey
	)

Set IP6GRE tunnel set ikey.

Parameters

link	Link object
ikey	ip6gre ikey

Returns: 0 on success or a negative error code

Definition at line 534 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_ikey()

int rtnl_link_ip6gre_get_ikey	(	struct rtnl_link *	link,
		uint32_t *	ikey
	)

Get IP6GRE tunnel ikey.

Parameters

link	Link object
ikey	addr to fill in with the ikey

Returns: 0 on success or a negative error code

Definition at line 553 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_okey()

int rtnl_link_ip6gre_set_okey	(	struct rtnl_link *	link,
		uint32_t	okey
	)

Set IP6GRE tunnel set okey.

Parameters

link	Link object
okey	ip6gre okey

Returns: 0 on success or a negative error code

Definition at line 573 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_okey()

int rtnl_link_ip6gre_get_okey	(	struct rtnl_link *	link,
		uint32_t *	okey
	)

Get IP6GRE tunnel okey.

Parameters

link	Link object
okey	addr to fill in with the okey

Returns: okey value

Definition at line 592 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_local()

int rtnl_link_ip6gre_set_local	(	struct rtnl_link *	link,
		struct in6_addr *	local
	)

Set IP6GRE tunnel local address.

Parameters

link	Link object
local	local address

Returns: 0 on success or a negative error code

Definition at line 612 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_local()

int rtnl_link_ip6gre_get_local	(	struct rtnl_link *	link,
		struct in6_addr *	local
	)

Get IP6GRE tunnel local address.

Parameters

link	Link object
local	addr to fill in with local address

Returns: 0 on success or a negative error code

Definition at line 631 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_remote()

int rtnl_link_ip6gre_set_remote	(	struct rtnl_link *	link,
		struct in6_addr *	remote
	)

Set IP6GRE tunnel remote address.

Parameters

link	Link object
remote	remote address

Returns: 0 on success or a negative error code

Definition at line 651 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_remote()

int rtnl_link_ip6gre_get_remote	(	struct rtnl_link *	link,
		struct in6_addr *	remote
	)

Get IP6GRE tunnel remote address.

Parameters

link	Link object
remote	addr to fill in with remote address

Returns: 0 on success or a negative error code

Definition at line 670 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_ttl()

int rtnl_link_ip6gre_set_ttl	(	struct rtnl_link *	link,
		uint8_t	ttl
	)

Set IP6GRE tunnel ttl.

Parameters

link	Link object
ttl	tunnel ttl

Returns: 0 on success or a negative error code

Definition at line 690 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_ttl()

int rtnl_link_ip6gre_get_ttl	(	struct rtnl_link *	link,
		uint8_t *	ttl
	)

Set IP6GRE tunnel ttl.

Parameters

link	Link object
ttl	addr to fill in with the ttl

Returns: 0 on success or a negative error code

Definition at line 709 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_encaplimit()

int rtnl_link_ip6gre_set_encaplimit	(	struct rtnl_link *	link,
		uint8_t	encaplimit
	)

Set IP6GRE tunnel encap limit.

Parameters

link	Link object
encaplimit	tunnel encap limit value

Returns: 0 on success or a negative error code

Definition at line 729 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_encaplimit()

int rtnl_link_ip6gre_get_encaplimit	(	struct rtnl_link *	link,
		uint8_t *	encaplimit
	)

Get IP6GRE tunnel encap limit.

Parameters

link	Link object
encaplimit	addr to fill in with the encaplimit

Returns: 0 on success or a negative error code

Definition at line 748 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_flowinfo()

int rtnl_link_ip6gre_set_flowinfo	(	struct rtnl_link *	link,
		uint32_t	flowinfo
	)

Set IP6GRE tunnel flowinfo.

Parameters

link	Link object
flowinfo	flowinfo value

Returns: 0 on success or a negative error code

Definition at line 768 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_flowinfo()

int rtnl_link_ip6gre_get_flowinfo	(	struct rtnl_link *	link,
		uint32_t *	flowinfo
	)

Get IP6GRE flowinfo.

Parameters

link	Link object
flowinfo	addr to fill in with the flowinfo

Returns: 0 on success or a negative error code

Definition at line 787 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_flags()

int rtnl_link_ip6gre_set_flags	(	struct rtnl_link *	link,
		uint32_t	flags
	)

Set IP6GRE tunnel flags.

Parameters

link	Link object
flags	tunnel flags

Returns: 0 on success or a negative error code

Definition at line 807 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_flags()

int rtnl_link_ip6gre_get_flags	(	struct rtnl_link *	link,
		uint32_t *	flags
	)

Get IP6GRE flags.

Parameters

link	Link object
flags	addr to fill in with the tunnel flags

Returns: 0 on success or a negative error code

Definition at line 826 of file ip6gre.c.

◆ rtnl_link_ip6gre_set_fwmark()

int rtnl_link_ip6gre_set_fwmark	(	struct rtnl_link *	link,
		uint32_t	fwmark
	)

Set IP6GRE tunnel fwmark.

Parameters

link	Link object
fwmark	fwmark

Returns: 0 on success or a negative error code

Definition at line 846 of file ip6gre.c.

◆ rtnl_link_ip6gre_get_fwmark()

int rtnl_link_ip6gre_get_fwmark	(	struct rtnl_link *	link,
		uint32_t *	fwmark
	)

Get IP6GRE 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 865 of file ip6gre.c.

Variable Documentation

◆ ttl

uint8_t ip6gre_info::ttl

Definition at line 41 of file ip6gre.c.

◆ encaplimit

uint8_t ip6gre_info::encaplimit

Definition at line 42 of file ip6gre.c.

◆ iflags

uint16_t ip6gre_info::iflags

Definition at line 43 of file ip6gre.c.

◆ oflags

uint16_t ip6gre_info::oflags

Definition at line 44 of file ip6gre.c.

◆ ikey

uint32_t ip6gre_info::ikey

Definition at line 45 of file ip6gre.c.

◆ okey

uint32_t ip6gre_info::okey

Definition at line 46 of file ip6gre.c.

◆ link

uint32_t ip6gre_info::link

Definition at line 47 of file ip6gre.c.

◆ flowinfo

uint32_t ip6gre_info::flowinfo

Definition at line 48 of file ip6gre.c.

◆ flags

uint32_t ip6gre_info::flags

Definition at line 49 of file ip6gre.c.

◆ local

struct in6_addr ip6gre_info::local

Definition at line 50 of file ip6gre.c.

◆ remote

struct in6_addr ip6gre_info::remote

Definition at line 51 of file ip6gre.c.

◆ fwmark

uint32_t ip6gre_info::fwmark

Definition at line 52 of file ip6gre.c.

◆ ip6gre_mask

uint32_t ip6gre_info::ip6gre_mask

Definition at line 53 of file ip6gre.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ IP6GRE_ATTR_LINK

◆ IP6GRE_ATTR_IFLAGS

◆ IP6GRE_ATTR_OFLAGS

◆ IP6GRE_ATTR_IKEY

◆ IP6GRE_ATTR_OKEY

◆ IP6GRE_ATTR_LOCAL

◆ IP6GRE_ATTR_REMOTE

◆ IP6GRE_ATTR_TTL

◆ IP6GRE_ATTR_ENCAPLIMIT

◆ IP6GRE_ATTR_FLOWINFO

◆ IP6GRE_ATTR_FLAGS

◆ IP6GRE_ATTR_FWMARK

◆ IS_IP6GRE_LINK_ASSERT

◆ HAS_IP6GRE_ATTR_ASSERT

Function Documentation

◆ rtnl_link_ip6gre_alloc()

◆ rtnl_link_is_ip6gre()

◆ rtnl_link_ip6gre_add()

◆ rtnl_link_ip6gre_set_link()

◆ rtnl_link_ip6gre_get_link()

◆ rtnl_link_ip6gre_set_iflags()

◆ rtnl_link_ip6gre_get_iflags()

◆ rtnl_link_ip6gre_set_oflags()

◆ rtnl_link_ip6gre_get_oflags()

◆ rtnl_link_ip6gre_set_ikey()

◆ rtnl_link_ip6gre_get_ikey()

◆ rtnl_link_ip6gre_set_okey()

◆ rtnl_link_ip6gre_get_okey()

◆ rtnl_link_ip6gre_set_local()

◆ rtnl_link_ip6gre_get_local()

◆ rtnl_link_ip6gre_set_remote()

◆ rtnl_link_ip6gre_get_remote()

◆ rtnl_link_ip6gre_set_ttl()

◆ rtnl_link_ip6gre_get_ttl()

◆ rtnl_link_ip6gre_set_encaplimit()

◆ rtnl_link_ip6gre_get_encaplimit()

◆ rtnl_link_ip6gre_set_flowinfo()

◆ rtnl_link_ip6gre_get_flowinfo()

◆ rtnl_link_ip6gre_set_flags()

◆ rtnl_link_ip6gre_get_flags()

◆ rtnl_link_ip6gre_set_fwmark()

◆ rtnl_link_ip6gre_get_fwmark()

Variable Documentation

◆ ttl

◆ encaplimit

◆ iflags

◆ oflags

◆ ikey

◆ okey

◆ link

◆ flowinfo

◆ flags

◆ local

◆ remote

◆ fwmark

◆ ip6gre_mask