ipgre link module More...

Data Structures
struct	ipgre_info

Macros
#define	IPGRE_ATTR_LINK (1 << 0)

#define	IPGRE_ATTR_IFLAGS (1 << 1)

#define	IPGRE_ATTR_OFLAGS (1 << 2)

#define	IPGRE_ATTR_IKEY (1 << 3)

#define	IPGRE_ATTR_OKEY (1 << 4)

#define	IPGRE_ATTR_LOCAL (1 << 5)

#define	IPGRE_ATTR_REMOTE (1 << 6)

#define	IPGRE_ATTR_TTL (1 << 7)

#define	IPGRE_ATTR_TOS (1 << 8)

#define	IPGRE_ATTR_PMTUDISC (1 << 9)

#define	IPGRE_ATTR_FWMARK (1 << 10)

#define	IS_IPGRE_LINK_ASSERT(link)

Functions
struct rtnl_link *	rtnl_link_ipgre_alloc (void)

int	rtnl_link_is_ipgre (struct rtnl_link *link)
	Check if link is a IPGRE link. More...

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

struct rtnl_link *	rtnl_link_ipgretap_alloc (void)

int	rtnl_link_is_ipgretap (struct rtnl_link *link)
	Check if link is a IPGRETAP link. More...

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

int	rtnl_link_ipgre_set_link (struct rtnl_link *link, uint32_t index)
	Set IPGRE tunnel interface index. More...

uint32_t	rtnl_link_ipgre_get_link (struct rtnl_link *link)
	Get IPGRE tunnel interface index. More...

int	rtnl_link_ipgre_set_iflags (struct rtnl_link *link, uint16_t iflags)
	Set IPGRE tunnel set iflags. More...

uint16_t	rtnl_link_ipgre_get_iflags (struct rtnl_link *link)
	Get IPGRE tunnel iflags. More...

int	rtnl_link_ipgre_set_oflags (struct rtnl_link *link, uint16_t oflags)
	Set IPGRE tunnel set oflags. More...

uint16_t	rtnl_link_ipgre_get_oflags (struct rtnl_link *link)
	Get IPGRE tunnel oflags. More...

int	rtnl_link_ipgre_set_ikey (struct rtnl_link *link, uint32_t ikey)
	Set IPGRE tunnel set ikey. More...

uint32_t	rtnl_link_ipgre_get_ikey (struct rtnl_link *link)
	Get IPGRE tunnel ikey. More...

int	rtnl_link_ipgre_set_okey (struct rtnl_link *link, uint32_t okey)
	Set IPGRE tunnel set okey. More...

uint32_t	rtnl_link_ipgre_get_okey (struct rtnl_link *link)
	Get IPGRE tunnel okey. More...

int	rtnl_link_ipgre_set_local (struct rtnl_link *link, uint32_t addr)
	Set IPGRE tunnel local address. More...

uint32_t	rtnl_link_ipgre_get_local (struct rtnl_link *link)
	Get IPGRE tunnel local address. More...

int	rtnl_link_ipgre_set_remote (struct rtnl_link *link, uint32_t remote)
	Set IPGRE tunnel remote address. More...

uint32_t	rtnl_link_ipgre_get_remote (struct rtnl_link *link)
	Get IPGRE tunnel remote address. More...

int	rtnl_link_ipgre_set_ttl (struct rtnl_link *link, uint8_t ttl)
	Set IPGRE tunnel ttl. More...

uint8_t	rtnl_link_ipgre_get_ttl (struct rtnl_link *link)
	Set IPGRE tunnel ttl. More...

int	rtnl_link_ipgre_set_tos (struct rtnl_link *link, uint8_t tos)
	Set IPGRE tunnel tos. More...

uint8_t	rtnl_link_ipgre_get_tos (struct rtnl_link *link)
	Get IPGRE tunnel tos. More...

int	rtnl_link_ipgre_set_pmtudisc (struct rtnl_link *link, uint8_t pmtudisc)
	Set IPGRE tunnel path MTU discovery. More...

uint8_t	rtnl_link_ipgre_get_pmtudisc (struct rtnl_link *link)
	Get IPGRE path MTU discovery. More...

uint8_t	rtnl_link_get_pmtudisc (struct rtnl_link *link)

int	rtnl_link_ipgre_set_fwmark (struct rtnl_link *link, uint32_t fwmark)
	Set IPGRE tunnel fwmark. More...

int	rtnl_link_ipgre_get_fwmark (struct rtnl_link link, uint32_t fwmark)
	Get IPGRE tunnel fwmark. More...

Variables
uint8_t	ipgre_info::ttl

uint8_t	ipgre_info::tos

uint8_t	ipgre_info::pmtudisc

uint16_t	ipgre_info::iflags

uint16_t	ipgre_info::oflags

uint32_t	ipgre_info::ikey

uint32_t	ipgre_info::okey

uint32_t	ipgre_info::link

uint32_t	ipgre_info::local

uint32_t	ipgre_info::remote

uint32_t	ipgre_info::fwmark

uint32_t	ipgre_info::ipgre_mask

Detailed Description

ipgre link module

Link Type Name: "ipgre"

IPGRE Documentation (Netlink Routing Development Guide)

Macro Definition Documentation

◆ IPGRE_ATTR_LINK

#define IPGRE_ATTR_LINK (1 << 0)

Definition at line 29 of file ipgre.c.

◆ IPGRE_ATTR_IFLAGS

#define IPGRE_ATTR_IFLAGS (1 << 1)

Definition at line 30 of file ipgre.c.

◆ IPGRE_ATTR_OFLAGS

#define IPGRE_ATTR_OFLAGS (1 << 2)

Definition at line 31 of file ipgre.c.

◆ IPGRE_ATTR_IKEY

#define IPGRE_ATTR_IKEY (1 << 3)

Definition at line 32 of file ipgre.c.

◆ IPGRE_ATTR_OKEY

#define IPGRE_ATTR_OKEY (1 << 4)

Definition at line 33 of file ipgre.c.

◆ IPGRE_ATTR_LOCAL

#define IPGRE_ATTR_LOCAL (1 << 5)

Definition at line 34 of file ipgre.c.

◆ IPGRE_ATTR_REMOTE

#define IPGRE_ATTR_REMOTE (1 << 6)

Definition at line 35 of file ipgre.c.

◆ IPGRE_ATTR_TTL

#define IPGRE_ATTR_TTL (1 << 7)

Definition at line 36 of file ipgre.c.

◆ IPGRE_ATTR_TOS

#define IPGRE_ATTR_TOS (1 << 8)

Definition at line 37 of file ipgre.c.

◆ IPGRE_ATTR_PMTUDISC

#define IPGRE_ATTR_PMTUDISC (1 << 9)

Definition at line 38 of file ipgre.c.

◆ IPGRE_ATTR_FWMARK

#define IPGRE_ATTR_FWMARK (1 << 10)

Definition at line 39 of file ipgre.c.

◆ IS_IPGRE_LINK_ASSERT

#define IS_IPGRE_LINK_ASSERT ( link )

Value:

        if ((link)->l_info_ops != &ipgre_info_ops &&                               \
            (link)->l_info_ops != &ipgretap_info_ops) {                            \
                APPBUG("Link is not a ipgre link. set type \"gre/gretap\" first.");\
                return -NLE_OPNOTSUPP;                                             \
        }

Definition at line 375 of file ipgre.c.

Function Documentation

◆ rtnl_link_ipgre_alloc()

struct rtnl_link * rtnl_link_ipgre_alloc ( void )

Definition at line 382 of file ipgre.c.

◆ rtnl_link_is_ipgre()

int rtnl_link_is_ipgre ( struct rtnl_link * link )

Check if link is a IPGRE link.

Parameters

link	Link object

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

Definition at line 406 of file ipgre.c.

◆ rtnl_link_ipgre_add()

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

Create a new IPGRE tunnel device.

Parameters

sock	netlink socket
name	name of the tunnel deviceL

Creates a new ipip tunnel device in the kernel

Returns: 0 on success or a negative error code

Definition at line 419 of file ipgre.c.

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

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◆ rtnl_link_ipgretap_alloc()

struct rtnl_link * rtnl_link_ipgretap_alloc ( void )

Definition at line 437 of file ipgre.c.

◆ rtnl_link_is_ipgretap()

int rtnl_link_is_ipgretap ( struct rtnl_link * link )

Check if link is a IPGRETAP link.

Parameters

link	Link object

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

Definition at line 461 of file ipgre.c.

◆ rtnl_link_ipgretap_add()

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

Create a new IPGRETAP tunnel device.

Parameters

sock	netlink socket
name	name of the tunnel deviceL

Creates a new IPGRETAP tunnel device in the kernel

Returns: 0 on success or a negative error code

Definition at line 473 of file ipgre.c.

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

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◆ rtnl_link_ipgre_set_link()

int rtnl_link_ipgre_set_link	(	struct rtnl_link *	link,
		uint32_t	index
	)

Set IPGRE tunnel interface index.

Parameters

link	Link object
index	interface index

Returns: 0 on success or a negative error code

Definition at line 498 of file ipgre.c.

◆ rtnl_link_ipgre_get_link()

uint32_t rtnl_link_ipgre_get_link ( struct rtnl_link * link )

Get IPGRE tunnel interface index.

Parameters

link	Link object

Returns: interface index

Definition at line 516 of file ipgre.c.

◆ rtnl_link_ipgre_set_iflags()

int rtnl_link_ipgre_set_iflags	(	struct rtnl_link *	link,
		uint16_t	iflags
	)

Set IPGRE tunnel set iflags.

Parameters

link	Link object
iflags	gre iflags

Returns: 0 on success or a negative error code

Definition at line 532 of file ipgre.c.

◆ rtnl_link_ipgre_get_iflags()

uint16_t rtnl_link_ipgre_get_iflags ( struct rtnl_link * link )

Get IPGRE tunnel iflags.

Parameters

link	Link object

Returns: iflags

Definition at line 550 of file ipgre.c.

◆ rtnl_link_ipgre_set_oflags()

int rtnl_link_ipgre_set_oflags	(	struct rtnl_link *	link,
		uint16_t	oflags
	)

Set IPGRE tunnel set oflags.

Parameters

link	Link object
iflags	gre oflags

Returns: 0 on success or a negative error code

Definition at line 566 of file ipgre.c.

◆ rtnl_link_ipgre_get_oflags()

uint16_t rtnl_link_ipgre_get_oflags ( struct rtnl_link * link )

Get IPGRE tunnel oflags.

Parameters

link	Link object

Returns: oflags

Definition at line 584 of file ipgre.c.

◆ rtnl_link_ipgre_set_ikey()

int rtnl_link_ipgre_set_ikey	(	struct rtnl_link *	link,
		uint32_t	ikey
	)

Set IPGRE tunnel set ikey.

Parameters

link	Link object
ikey	gre ikey

Returns: 0 on success or a negative error code

Definition at line 600 of file ipgre.c.

◆ rtnl_link_ipgre_get_ikey()

uint32_t rtnl_link_ipgre_get_ikey ( struct rtnl_link * link )

Get IPGRE tunnel ikey.

Parameters

link	Link object

Returns: ikey

Definition at line 618 of file ipgre.c.

◆ rtnl_link_ipgre_set_okey()

int rtnl_link_ipgre_set_okey	(	struct rtnl_link *	link,
		uint32_t	okey
	)

Set IPGRE tunnel set okey.

Parameters

link	Link object
okey	gre okey

Returns: 0 on success or a negative error code

Definition at line 634 of file ipgre.c.

◆ rtnl_link_ipgre_get_okey()

uint32_t rtnl_link_ipgre_get_okey ( struct rtnl_link * link )

Get IPGRE tunnel okey.

Parameters

link	Link object

Returns: okey value

Definition at line 652 of file ipgre.c.

◆ rtnl_link_ipgre_set_local()

int rtnl_link_ipgre_set_local	(	struct rtnl_link *	link,
		uint32_t	addr
	)

Set IPGRE tunnel local address.

Parameters

link	Link object
addr	local address

Returns: 0 on success or a negative error code

Definition at line 668 of file ipgre.c.

◆ rtnl_link_ipgre_get_local()

uint32_t rtnl_link_ipgre_get_local ( struct rtnl_link * link )

Get IPGRE tunnel local address.

Parameters

link	Link object

Returns: local address

Definition at line 686 of file ipgre.c.

◆ rtnl_link_ipgre_set_remote()

int rtnl_link_ipgre_set_remote	(	struct rtnl_link *	link,
		uint32_t	remote
	)

Set IPGRE tunnel remote address.

Parameters

link	Link object
remote	remote address

Returns: 0 on success or a negative error code

Definition at line 702 of file ipgre.c.

◆ rtnl_link_ipgre_get_remote()

uint32_t rtnl_link_ipgre_get_remote ( struct rtnl_link * link )

Get IPGRE tunnel remote address.

Parameters

link	Link object

Returns: remote address on success or a negative error code

Definition at line 720 of file ipgre.c.

◆ rtnl_link_ipgre_set_ttl()

int rtnl_link_ipgre_set_ttl	(	struct rtnl_link *	link,
		uint8_t	ttl
	)

Set IPGRE tunnel ttl.

Parameters

link	Link object
ttl	tunnel ttl

Returns: 0 on success or a negative error code

Definition at line 736 of file ipgre.c.

◆ rtnl_link_ipgre_get_ttl()

uint8_t rtnl_link_ipgre_get_ttl ( struct rtnl_link * link )

Set IPGRE tunnel ttl.

Parameters

link	Link object

Returns: ttl value

Definition at line 754 of file ipgre.c.

◆ rtnl_link_ipgre_set_tos()

int rtnl_link_ipgre_set_tos	(	struct rtnl_link *	link,
		uint8_t	tos
	)

Set IPGRE tunnel tos.

Parameters

link	Link object
tos	tunnel tos

Returns: 0 on success or a negative error code

Definition at line 770 of file ipgre.c.

◆ rtnl_link_ipgre_get_tos()

uint8_t rtnl_link_ipgre_get_tos ( struct rtnl_link * link )

Get IPGRE tunnel tos.

Parameters

link	Link object

Returns: tos value

Definition at line 788 of file ipgre.c.

◆ rtnl_link_ipgre_set_pmtudisc()

int rtnl_link_ipgre_set_pmtudisc	(	struct rtnl_link *	link,
		uint8_t	pmtudisc
	)

Set IPGRE tunnel path MTU discovery.

Parameters

link	Link object
pmtudisc	path MTU discovery

Returns: 0 on success or a negative error code

Definition at line 804 of file ipgre.c.

◆ rtnl_link_ipgre_get_pmtudisc()

uint8_t rtnl_link_ipgre_get_pmtudisc ( struct rtnl_link * link )

Get IPGRE path MTU discovery.

Parameters

link	Link object

Returns: pmtudisc value

Definition at line 822 of file ipgre.c.

◆ rtnl_link_get_pmtudisc()

uint8_t rtnl_link_get_pmtudisc ( struct rtnl_link * link )

Definition at line 835 of file ipgre.c.

◆ rtnl_link_ipgre_set_fwmark()

int rtnl_link_ipgre_set_fwmark	(	struct rtnl_link *	link,
		uint32_t	fwmark
	)

Set IPGRE tunnel fwmark.

Parameters

link	Link object
fwmark	fwmark

Returns: 0 on success or a negative error code

Definition at line 849 of file ipgre.c.

◆ rtnl_link_ipgre_get_fwmark()

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

Get IPGRE 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 868 of file ipgre.c.

Variable Documentation

◆ ttl

uint8_t ipgre_info::ttl

Definition at line 43 of file ipgre.c.

◆ tos

uint8_t ipgre_info::tos

Definition at line 44 of file ipgre.c.

◆ pmtudisc

uint8_t ipgre_info::pmtudisc

Definition at line 45 of file ipgre.c.

◆ iflags

uint16_t ipgre_info::iflags

Definition at line 46 of file ipgre.c.

◆ oflags

uint16_t ipgre_info::oflags

Definition at line 47 of file ipgre.c.

◆ ikey

uint32_t ipgre_info::ikey

Definition at line 48 of file ipgre.c.

◆ okey

uint32_t ipgre_info::okey

Definition at line 49 of file ipgre.c.

◆ link

uint32_t ipgre_info::link

Definition at line 50 of file ipgre.c.

◆ local

uint32_t ipgre_info::local

Definition at line 51 of file ipgre.c.

◆ remote

uint32_t ipgre_info::remote

Definition at line 52 of file ipgre.c.

◆ fwmark

uint32_t ipgre_info::fwmark

Definition at line 53 of file ipgre.c.

◆ ipgre_mask

uint32_t ipgre_info::ipgre_mask

Definition at line 54 of file ipgre.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ IPGRE_ATTR_LINK

◆ IPGRE_ATTR_IFLAGS

◆ IPGRE_ATTR_OFLAGS

◆ IPGRE_ATTR_IKEY

◆ IPGRE_ATTR_OKEY

◆ IPGRE_ATTR_LOCAL

◆ IPGRE_ATTR_REMOTE

◆ IPGRE_ATTR_TTL

◆ IPGRE_ATTR_TOS

◆ IPGRE_ATTR_PMTUDISC

◆ IPGRE_ATTR_FWMARK

◆ IS_IPGRE_LINK_ASSERT

Function Documentation

◆ rtnl_link_ipgre_alloc()

◆ rtnl_link_is_ipgre()

◆ rtnl_link_ipgre_add()

◆ rtnl_link_ipgretap_alloc()

◆ rtnl_link_is_ipgretap()

◆ rtnl_link_ipgretap_add()

◆ rtnl_link_ipgre_set_link()

◆ rtnl_link_ipgre_get_link()

◆ rtnl_link_ipgre_set_iflags()

◆ rtnl_link_ipgre_get_iflags()

◆ rtnl_link_ipgre_set_oflags()

◆ rtnl_link_ipgre_get_oflags()

◆ rtnl_link_ipgre_set_ikey()

◆ rtnl_link_ipgre_get_ikey()

◆ rtnl_link_ipgre_set_okey()

◆ rtnl_link_ipgre_get_okey()

◆ rtnl_link_ipgre_set_local()

◆ rtnl_link_ipgre_get_local()

◆ rtnl_link_ipgre_set_remote()

◆ rtnl_link_ipgre_get_remote()

◆ rtnl_link_ipgre_set_ttl()

◆ rtnl_link_ipgre_get_ttl()

◆ rtnl_link_ipgre_set_tos()

◆ rtnl_link_ipgre_get_tos()

◆ rtnl_link_ipgre_set_pmtudisc()

◆ rtnl_link_ipgre_get_pmtudisc()

◆ rtnl_link_get_pmtudisc()

◆ rtnl_link_ipgre_set_fwmark()

◆ rtnl_link_ipgre_get_fwmark()

Variable Documentation

◆ ttl

◆ tos

◆ pmtudisc

◆ iflags

◆ oflags

◆ ikey

◆ okey

◆ link

◆ local

◆ remote

◆ fwmark

◆ ipgre_mask