vlan.c File Reference

#include "syshead.h"
#include "multi.h"
#include "options.h"
#include "vlan.h"

Include dependency graph for vlan.c:

Go to the source code of this file.

Functions
static uint16_t	vlanhdr_get_vid (const struct openvpn_8021qhdr *hdr)
static void	vlanhdr_set_vid (struct openvpn_8021qhdr *hdr, const uint16_t vid)
int16_t	vlan_decapsulate (const struct context *c, struct buffer *buf)
void	vlan_encapsulate (const struct context *c, struct buffer *buf)
bool	vlan_is_tagged (const struct buffer *buf)
void	vlan_process_outgoing_tun (struct multi_context *m, struct multi_instance *mi)

Function Documentation

vlan_decapsulate()

int16_t vlan_decapsulate	(	const struct context *	c,
		struct buffer *	buf
	)

Definition at line 82 of file vlan.c.

References BLEN, BPTR, buf_advance(), D_VLAN_DEBUG, buffer::len, msg, OPENVPN_ETH_P_8021Q, context::options, openvpn_ethhdr::proto, openvpn_8021qhdr::proto, SIZE_ETH_TO_8021Q_HDR, options::vlan_accept, VLAN_ALL, VLAN_ONLY_TAGGED, VLAN_ONLY_UNTAGGED_OR_PRIORITY, options::vlan_pvid, and vlanhdr_get_vid().

Referenced by multi_process_incoming_tun().

vlan_encapsulate()

void vlan_encapsulate	(	const struct context *	c,
		struct buffer *	buf
	)

Definition at line 186 of file vlan.c.

References BLEN, BPTR, buf_prepend(), buf_reverse_capacity(), D_VLAN_DEBUG, buffer::len, msg, OPENVPN_ETH_P_8021Q, context::options, openvpn_8021qhdr::pcp_cfi_vid, openvpn_ethhdr::proto, openvpn_8021qhdr::proto, SIZE_ETH_TO_8021Q_HDR, openvpn_8021qhdr::tpid, options::vlan_pvid, vlanhdr_get_vid(), and vlanhdr_set_vid().

Referenced by vlan_process_outgoing_tun().

vlan_is_tagged()

bool vlan_is_tagged

(

const struct buffer *

buf

)

Definition at line 266 of file vlan.c.

References BLEN, BPTR, OPENVPN_ETH_P_8021Q, openvpn_8021qhdr::tpid, and vlanhdr_get_vid().

Referenced by multi_process_incoming_link().

vlan_process_outgoing_tun()

void vlan_process_outgoing_tun	(	struct multi_context *	m,
		struct multi_instance *	mi
	)

Definition at line 296 of file vlan.c.

References context::c2, multi_instance::context, buffer::len, context::options, context_2::to_tun, multi_context::top, options::vlan_accept, VLAN_ALL, vlan_encapsulate(), VLAN_ONLY_TAGGED, VLAN_ONLY_UNTAGGED_OR_PRIORITY, options::vlan_pvid, and options::vlan_tagging.

Referenced by multi_process_outgoing_tun().

vlanhdr_get_vid()

static uint16_t vlanhdr_get_vid ( const struct openvpn_8021qhdr *  hdr )

static

Definition at line 42 of file vlan.c.

References OPENVPN_8021Q_MASK_VID, and openvpn_8021qhdr::pcp_cfi_vid.

Referenced by vlan_decapsulate(), vlan_encapsulate(), and vlan_is_tagged().

vlanhdr_set_vid()

static void vlanhdr_set_vid ( struct openvpn_8021qhdr *  hdr, const uint16_t  vid  )

static

Definition at line 54 of file vlan.c.

References OPENVPN_8021Q_MASK_VID, and openvpn_8021qhdr::pcp_cfi_vid.

Referenced by vlan_encapsulate().