sit link module More...

Data Structures
struct	sit_info

Macros
#define	SIT_ATTR_LINK (1 << 0)

#define	SIT_ATTR_LOCAL (1 << 1)

#define	SIT_ATTR_REMOTE (1 << 2)

#define	SIT_ATTR_TTL (1 << 3)

#define	SIT_ATTR_TOS (1 << 4)

#define	SIT_ATTR_PMTUDISC (1 << 5)

#define	SIT_ATTR_FLAGS (1 << 6)

#define	SIT_ATTR_PROTO (1 << 7)

#define	SIT_ATTR_6RD_PREFIX (1 << 8)

#define	SIT_ATTR_6RD_RELAY_PREFIX (1 << 9)

#define	SIT_ATTR_6RD_PREFIXLEN (1 << 10)

#define	SIT_ATTR_6RD_RELAY_PREFIXLEN (1 << 11)

#define	SIT_ATTR_FWMARK (1 << 12)

#define	IS_SIT_LINK_ASSERT(link, sit)

Functions
struct rtnl_link *	rtnl_link_sit_alloc (void)

int	rtnl_link_is_sit (struct rtnl_link *link)
	Check if link is a SIT link. More...

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

int	rtnl_link_sit_set_link (struct rtnl_link *link, uint32_t index)
	Set SIT tunnel interface index. More...

uint32_t	rtnl_link_sit_get_link (struct rtnl_link *link)
	Get SIT tunnel interface index. More...

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

uint32_t	rtnl_link_sit_get_local (struct rtnl_link *link)
	Get SIT tunnel local address. More...

int	rtnl_link_sit_set_remote (struct rtnl_link *link, uint32_t addr)
	Set SIT tunnel remote address. More...

uint32_t	rtnl_link_sit_get_remote (struct rtnl_link *link)
	Get SIT tunnel remote address. More...

int	rtnl_link_sit_set_ttl (struct rtnl_link *link, uint8_t ttl)
	Set SIT tunnel ttl. More...

uint8_t	rtnl_link_sit_get_ttl (struct rtnl_link *link)
	Get SIT tunnel ttl. More...

int	rtnl_link_sit_set_tos (struct rtnl_link *link, uint8_t tos)
	Set SIT tunnel tos. More...

uint8_t	rtnl_link_sit_get_tos (struct rtnl_link *link)
	Get SIT tunnel tos. More...

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

uint8_t	rtnl_link_sit_get_pmtudisc (struct rtnl_link *link)
	Get SIT path MTU discovery. More...

int	rtnl_link_sit_set_flags (struct rtnl_link *link, uint16_t flags)
	Set SIT tunnel flags. More...

uint16_t	rtnl_link_sit_get_flags (struct rtnl_link *link)
	Get SIT path flags. More...

int	rtnl_link_sit_set_proto (struct rtnl_link *link, uint8_t proto)
	Set SIT tunnel proto. More...

uint8_t	rtnl_link_sit_get_proto (struct rtnl_link *link)
	Get SIT proto. More...

int	rtnl_link_sit_set_ip6rd_prefix (struct rtnl_link link, const struct in6_addr prefix)
	Set ip6rd prefix. More...

int	rtnl_link_sit_get_ip6rd_prefix (const struct rtnl_link link, struct in6_addr prefix)
	Get ip6rd prefix. More...

int	rtnl_link_sit_set_ip6rd_prefixlen (struct rtnl_link *link, uint16_t prefixlen)
	Set ip6rd prefix length. More...

int	rtnl_link_sit_get_ip6rd_prefixlen (struct rtnl_link link, uint16_t prefixlen)
	Get ip6rd prefix length. More...

int	rtnl_link_sit_set_ip6rd_relay_prefix (struct rtnl_link *link, uint32_t prefix)
	Set ip6rd relay prefix. More...

int	rtnl_link_sit_get_ip6rd_relay_prefix (const struct rtnl_link link, uint32_t prefix)
	Get ip6rd prefix length. More...

int	rtnl_link_sit_set_ip6rd_relay_prefixlen (struct rtnl_link *link, uint16_t prefixlen)
	Set ip6rd relay prefix length. More...

int	rtnl_link_sit_get_ip6rd_relay_prefixlen (struct rtnl_link link, uint16_t prefixlen)
	Get ip6rd relay prefix length. More...

int	rtnl_link_sit_set_fwmark (struct rtnl_link *link, uint32_t fwmark)
	Set SIT tunnel fwmark. More...

int	rtnl_link_sit_get_fwmark (struct rtnl_link link, uint32_t fwmark)
	Get SIT tunnel fwmark. More...

Variables
uint8_t	sit_info::ttl

uint8_t	sit_info::tos

uint8_t	sit_info::pmtudisc

uint8_t	sit_info::proto

uint16_t	sit_info::flags

uint32_t	sit_info::link

uint32_t	sit_info::local

uint32_t	sit_info::remote

struct in6_addr	sit_info::ip6rd_prefix

uint32_t	sit_info::ip6rd_relay_prefix

uint16_t	sit_info::ip6rd_prefixlen

uint16_t	sit_info::ip6rd_relay_prefixlen

uint32_t	sit_info::fwmark

uint32_t	sit_info::sit_mask

Detailed Description

sit link module

Link Type Name: "sit"

SIT Documentation (Netlink Routing Development Guide)

Macro Definition Documentation

◆ SIT_ATTR_LINK

#define SIT_ATTR_LINK (1 << 0)

Definition at line 29 of file sit.c.

◆ SIT_ATTR_LOCAL

#define SIT_ATTR_LOCAL (1 << 1)

Definition at line 30 of file sit.c.

◆ SIT_ATTR_REMOTE

#define SIT_ATTR_REMOTE (1 << 2)

Definition at line 31 of file sit.c.

◆ SIT_ATTR_TTL

#define SIT_ATTR_TTL (1 << 3)

Definition at line 32 of file sit.c.

◆ SIT_ATTR_TOS

#define SIT_ATTR_TOS (1 << 4)

Definition at line 33 of file sit.c.

◆ SIT_ATTR_PMTUDISC

#define SIT_ATTR_PMTUDISC (1 << 5)

Definition at line 34 of file sit.c.

◆ SIT_ATTR_FLAGS

#define SIT_ATTR_FLAGS (1 << 6)

Definition at line 35 of file sit.c.

◆ SIT_ATTR_PROTO

#define SIT_ATTR_PROTO (1 << 7)

Definition at line 36 of file sit.c.

◆ SIT_ATTR_6RD_PREFIX

#define SIT_ATTR_6RD_PREFIX (1 << 8)

Definition at line 37 of file sit.c.

◆ SIT_ATTR_6RD_RELAY_PREFIX

#define SIT_ATTR_6RD_RELAY_PREFIX (1 << 9)

Definition at line 38 of file sit.c.

◆ SIT_ATTR_6RD_PREFIXLEN

#define SIT_ATTR_6RD_PREFIXLEN (1 << 10)

Definition at line 39 of file sit.c.

◆ SIT_ATTR_6RD_RELAY_PREFIXLEN

#define SIT_ATTR_6RD_RELAY_PREFIXLEN (1 << 11)

Definition at line 40 of file sit.c.

◆ SIT_ATTR_FWMARK

#define SIT_ATTR_FWMARK (1 << 12)

Definition at line 41 of file sit.c.

◆ IS_SIT_LINK_ASSERT

#define IS_SIT_LINK_ASSERT	(	link,
		sit
	)

Value:

        struct sit_info *sit;                                                      \
        do {                                                                       \
                const struct rtnl_link *_link = (link);                            \
                if (!_link || _link->l_info_ops != &sit_info_ops) {                \
                        APPBUG("Link is not a sit link. set type \"sit\" first."); \
                        return -NLE_OPNOTSUPP;                                     \
                }                                                                  \
                (sit) = _link->l_info;                                             \
        } while (0)

Definition at line 375 of file sit.c.

Function Documentation

◆ rtnl_link_sit_alloc()

struct rtnl_link * rtnl_link_sit_alloc ( void )

Definition at line 386 of file sit.c.

◆ rtnl_link_is_sit()

int rtnl_link_is_sit ( struct rtnl_link * link )

Check if link is a SIT link.

Parameters

link	Link object

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

Definition at line 410 of file sit.c.

◆ rtnl_link_sit_add()

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

Create a new sit tunnel device.

Parameters

sock	netlink socket
name	name of the tunnel device

Creates a new sit tunnel device in the kernel

Returns: 0 on success or a negative error code

Definition at line 423 of file sit.c.

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

Here is the call graph for this function:

◆ rtnl_link_sit_set_link()

int rtnl_link_sit_set_link	(	struct rtnl_link *	link,
		uint32_t	index
	)

Set SIT tunnel interface index.

Parameters

link	Link object
index	interface index

Returns: 0 on success or a negative error code

Definition at line 448 of file sit.c.

◆ rtnl_link_sit_get_link()

uint32_t rtnl_link_sit_get_link ( struct rtnl_link * link )

Get SIT tunnel interface index.

Parameters

link	Link object

Returns: interface index value

Definition at line 464 of file sit.c.

◆ rtnl_link_sit_set_local()

int rtnl_link_sit_set_local	(	struct rtnl_link *	link,
		uint32_t	addr
	)

Set SIT tunnel local address.

Parameters

link	Link object
addr	local address

Returns: 0 on success or a negative error code

Definition at line 478 of file sit.c.

◆ rtnl_link_sit_get_local()

uint32_t rtnl_link_sit_get_local ( struct rtnl_link * link )

Get SIT tunnel local address.

Parameters

link	Link object

Returns: local address value

Definition at line 494 of file sit.c.

◆ rtnl_link_sit_set_remote()

int rtnl_link_sit_set_remote	(	struct rtnl_link *	link,
		uint32_t	addr
	)

Set SIT tunnel remote address.

Parameters

link	Link object
remote	remote address

Returns: 0 on success or a negative error code

Definition at line 508 of file sit.c.

◆ rtnl_link_sit_get_remote()

uint32_t rtnl_link_sit_get_remote ( struct rtnl_link * link )

Get SIT tunnel remote address.

Parameters

link	Link object

Returns: remote address

Definition at line 524 of file sit.c.

◆ rtnl_link_sit_set_ttl()

int rtnl_link_sit_set_ttl	(	struct rtnl_link *	link,
		uint8_t	ttl
	)

Set SIT tunnel ttl.

Parameters

link	Link object
ttl	tunnel ttl

Returns: 0 on success or a negative error code

Definition at line 538 of file sit.c.

◆ rtnl_link_sit_get_ttl()

uint8_t rtnl_link_sit_get_ttl ( struct rtnl_link * link )

Get SIT tunnel ttl.

Parameters

link	Link object

Returns: ttl value

Definition at line 554 of file sit.c.

◆ rtnl_link_sit_set_tos()

int rtnl_link_sit_set_tos	(	struct rtnl_link *	link,
		uint8_t	tos
	)

Set SIT tunnel tos.

Parameters

link	Link object
tos	tunnel tos

Returns: 0 on success or a negative error code

Definition at line 568 of file sit.c.

◆ rtnl_link_sit_get_tos()

uint8_t rtnl_link_sit_get_tos ( struct rtnl_link * link )

Get SIT tunnel tos.

Parameters

link	Link object

Returns: tos value

Definition at line 584 of file sit.c.

◆ rtnl_link_sit_set_pmtudisc()

int rtnl_link_sit_set_pmtudisc	(	struct rtnl_link *	link,
		uint8_t	pmtudisc
	)

Set SIT tunnel path MTU discovery.

Parameters

link	Link object
pmtudisc	path MTU discovery

Returns: 0 on success or a negative error code

Definition at line 598 of file sit.c.

◆ rtnl_link_sit_get_pmtudisc()

uint8_t rtnl_link_sit_get_pmtudisc ( struct rtnl_link * link )

Get SIT path MTU discovery.

Parameters

link	Link object

Returns: pmtudisc value

Definition at line 614 of file sit.c.

◆ rtnl_link_sit_set_flags()

int rtnl_link_sit_set_flags	(	struct rtnl_link *	link,
		uint16_t	flags
	)

Set SIT tunnel flags.

Parameters

link	Link object
flags	tunnel flags

Returns: 0 on success or a negative error code

Definition at line 628 of file sit.c.

◆ rtnl_link_sit_get_flags()

uint16_t rtnl_link_sit_get_flags ( struct rtnl_link * link )

Get SIT path flags.

Parameters

link	Link object

Returns: flags value

Definition at line 644 of file sit.c.

◆ rtnl_link_sit_set_proto()

int rtnl_link_sit_set_proto	(	struct rtnl_link *	link,
		uint8_t	proto
	)

Set SIT tunnel proto.

Parameters

link	Link object
proto	tunnel proto

Returns: 0 on success or a negative error code

Definition at line 658 of file sit.c.

◆ rtnl_link_sit_get_proto()

uint8_t rtnl_link_sit_get_proto ( struct rtnl_link * link )

Get SIT proto.

Parameters

link	Link object

Returns: proto value

Definition at line 674 of file sit.c.

◆ rtnl_link_sit_set_ip6rd_prefix()

int rtnl_link_sit_set_ip6rd_prefix	(	struct rtnl_link *	link,
		const struct in6_addr *	prefix
	)

Set ip6rd prefix.

Parameters

link	Link object
prefix	The IPv6 prefix

Returns: 0 on success or an error code.

Definition at line 688 of file sit.c.

◆ rtnl_link_sit_get_ip6rd_prefix()

int rtnl_link_sit_get_ip6rd_prefix	(	const struct rtnl_link *	link,
		struct in6_addr *	prefix
	)

Get ip6rd prefix.

Parameters

link	Link object
prefix	The output IPv6 prefix

Returns: 0 on success or an error code. If the property is unset, this call fails too.

Definition at line 705 of file sit.c.

◆ rtnl_link_sit_set_ip6rd_prefixlen()

int rtnl_link_sit_set_ip6rd_prefixlen	(	struct rtnl_link *	link,
		uint16_t	prefixlen
	)

Set ip6rd prefix length.

Parameters

link	Link object
prefixlen	The IPv6 prefix length

Returns: 0 on success or an error code.

Definition at line 724 of file sit.c.

◆ rtnl_link_sit_get_ip6rd_prefixlen()

int rtnl_link_sit_get_ip6rd_prefixlen	(	struct rtnl_link *	link,
		uint16_t *	prefixlen
	)

Get ip6rd prefix length.

Parameters

link	Link object
prefixlen	Output pointer for the prefix length

Returns: 0 on success or an error code. If the property is unset, this call fails.

Definition at line 741 of file sit.c.

◆ rtnl_link_sit_set_ip6rd_relay_prefix()

int rtnl_link_sit_set_ip6rd_relay_prefix	(	struct rtnl_link *	link,
		uint32_t	prefix
	)

Set ip6rd relay prefix.

Parameters

link	Link object
prefix	The IPv6 prefix length

Returns: 0 on success or an error code.

Definition at line 760 of file sit.c.

◆ rtnl_link_sit_get_ip6rd_relay_prefix()

int rtnl_link_sit_get_ip6rd_relay_prefix	(	const struct rtnl_link *	link,
		uint32_t *	prefix
	)

Get ip6rd prefix length.

Parameters

link	Link object
prefixlen	Output pointer for the prefix length

Returns: 0 on success or an error code. If the property is unset, this call fails.

Definition at line 777 of file sit.c.

◆ rtnl_link_sit_set_ip6rd_relay_prefixlen()

int rtnl_link_sit_set_ip6rd_relay_prefixlen	(	struct rtnl_link *	link,
		uint16_t	prefixlen
	)

Set ip6rd relay prefix length.

Parameters

link	Link object
prefixlen	The IPv6 prefix length

Returns: 0 on success or an error code.

Definition at line 796 of file sit.c.

◆ rtnl_link_sit_get_ip6rd_relay_prefixlen()

int rtnl_link_sit_get_ip6rd_relay_prefixlen	(	struct rtnl_link *	link,
		uint16_t *	prefixlen
	)

Get ip6rd relay prefix length.

Parameters

link	Link object
prefixlen	Output pointer for the prefix length

Returns: 0 on success or an error code. If the property is unset, this call fails.

Definition at line 813 of file sit.c.

◆ rtnl_link_sit_set_fwmark()

int rtnl_link_sit_set_fwmark	(	struct rtnl_link *	link,
		uint32_t	fwmark
	)

Set SIT tunnel fwmark.

Parameters

link	Link object
fwmark	fwmark

Returns: 0 on success or a negative error code

Definition at line 832 of file sit.c.

◆ rtnl_link_sit_get_fwmark()

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

Get SIT 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 849 of file sit.c.

Variable Documentation

◆ ttl

uint8_t sit_info::ttl

Definition at line 45 of file sit.c.

◆ tos

uint8_t sit_info::tos

Definition at line 46 of file sit.c.

◆ pmtudisc

uint8_t sit_info::pmtudisc

Definition at line 47 of file sit.c.

◆ proto

uint8_t sit_info::proto

Definition at line 48 of file sit.c.

◆ flags

uint16_t sit_info::flags

Definition at line 49 of file sit.c.

◆ link

uint32_t sit_info::link

Definition at line 50 of file sit.c.

◆ local

uint32_t sit_info::local

Definition at line 51 of file sit.c.

◆ remote

uint32_t sit_info::remote

Definition at line 52 of file sit.c.

◆ ip6rd_prefix

struct in6_addr sit_info::ip6rd_prefix

Definition at line 53 of file sit.c.

◆ ip6rd_relay_prefix

uint32_t sit_info::ip6rd_relay_prefix

Definition at line 54 of file sit.c.

◆ ip6rd_prefixlen

uint16_t sit_info::ip6rd_prefixlen

Definition at line 55 of file sit.c.

◆ ip6rd_relay_prefixlen

uint16_t sit_info::ip6rd_relay_prefixlen

Definition at line 56 of file sit.c.

◆ fwmark

uint32_t sit_info::fwmark

Definition at line 57 of file sit.c.

◆ sit_mask

uint32_t sit_info::sit_mask

Definition at line 58 of file sit.c.

Data Structures

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ SIT_ATTR_LINK

◆ SIT_ATTR_LOCAL

◆ SIT_ATTR_REMOTE

◆ SIT_ATTR_TTL

◆ SIT_ATTR_TOS

◆ SIT_ATTR_PMTUDISC

◆ SIT_ATTR_FLAGS

◆ SIT_ATTR_PROTO

◆ SIT_ATTR_6RD_PREFIX

◆ SIT_ATTR_6RD_RELAY_PREFIX

◆ SIT_ATTR_6RD_PREFIXLEN

◆ SIT_ATTR_6RD_RELAY_PREFIXLEN

◆ SIT_ATTR_FWMARK

◆ IS_SIT_LINK_ASSERT

Function Documentation

◆ rtnl_link_sit_alloc()

◆ rtnl_link_is_sit()

◆ rtnl_link_sit_add()

◆ rtnl_link_sit_set_link()

◆ rtnl_link_sit_get_link()

◆ rtnl_link_sit_set_local()

◆ rtnl_link_sit_get_local()

◆ rtnl_link_sit_set_remote()

◆ rtnl_link_sit_get_remote()

◆ rtnl_link_sit_set_ttl()

◆ rtnl_link_sit_get_ttl()

◆ rtnl_link_sit_set_tos()

◆ rtnl_link_sit_get_tos()

◆ rtnl_link_sit_set_pmtudisc()

◆ rtnl_link_sit_get_pmtudisc()

◆ rtnl_link_sit_set_flags()

◆ rtnl_link_sit_get_flags()

◆ rtnl_link_sit_set_proto()

◆ rtnl_link_sit_get_proto()

◆ rtnl_link_sit_set_ip6rd_prefix()

◆ rtnl_link_sit_get_ip6rd_prefix()

◆ rtnl_link_sit_set_ip6rd_prefixlen()

◆ rtnl_link_sit_get_ip6rd_prefixlen()

◆ rtnl_link_sit_set_ip6rd_relay_prefix()

◆ rtnl_link_sit_get_ip6rd_relay_prefix()

◆ rtnl_link_sit_set_ip6rd_relay_prefixlen()

◆ rtnl_link_sit_get_ip6rd_relay_prefixlen()

◆ rtnl_link_sit_set_fwmark()

◆ rtnl_link_sit_get_fwmark()

Variable Documentation

◆ ttl

◆ tos

◆ pmtudisc

◆ proto

◆ flags

◆ link

◆ local

◆ remote

◆ ip6rd_prefix

◆ ip6rd_relay_prefix

◆ ip6rd_prefixlen

◆ ip6rd_relay_prefixlen

◆ fwmark

◆ sit_mask