103 lines
3.6 KiB
C
103 lines
3.6 KiB
C
/******************************************************************************
|
|
|
|
Copyright (c) 2007
|
|
Infineon Technologies AG
|
|
Am Campeon 1-12; 81726 Munich, Germany
|
|
|
|
THE DELIVERY OF THIS SOFTWARE AS WELL AS THE HEREBY GRANTED NON-EXCLUSIVE,
|
|
WORLDWIDE LICENSE TO USE, COPY, MODIFY, DISTRIBUTE AND SUBLICENSE THIS
|
|
SOFTWARE IS FREE OF CHARGE.
|
|
|
|
THE LICENSED SOFTWARE IS PROVIDED "AS IS" AND INFINEON EXPRESSLY DISCLAIMS
|
|
ALL REPRESENTATIONS AND WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING
|
|
WITHOUT LIMITATION, WARRANTIES OR REPRESENTATIONS OF WORKMANSHIP,
|
|
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, DURABILITY, THAT THE
|
|
OPERATING OF THE LICENSED SOFTWARE WILL BE ERROR FREE OR FREE OF ANY THIRD
|
|
PARTY CLAIMS, INCLUDING WITHOUT LIMITATION CLAIMS OF THIRD PARTY INTELLECTUAL
|
|
PROPERTY INFRINGEMENT.
|
|
|
|
EXCEPT FOR ANY LIABILITY DUE TO WILFUL ACTS OR GROSS NEGLIGENCE AND EXCEPT
|
|
FOR ANY PERSONAL INJURY INFINEON SHALL IN NO EVENT BE LIABLE FOR ANY CLAIM
|
|
OR DAMAGES OF ANY KIND, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
|
|
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
DEALINGS IN THE SOFTWARE.
|
|
*******************************************************************************/
|
|
#ifndef _SVIP_NAT_IO_H_
|
|
#define _SVIP_NAT_IO_H_
|
|
|
|
#include <asm/ioctl.h>
|
|
|
|
#define SVIP_NAT_DEVICE_NAME "svip_nat"
|
|
#define PATH_SVIP_NAT_DEVICE_NAME "/dev/"SVIP_NAT_DEVICE_NAME
|
|
|
|
#define MAJOR_NUM_SVIP_NAT 10
|
|
#define MINOR_NUM_SVIP_NAT 120
|
|
|
|
/** maximum SVIP devices supported on a Line card system */
|
|
#define SVIP_SYS_NUM 12
|
|
|
|
/** maximum voice packet channels possible per SVIP device */
|
|
#define SVIP_CODEC_NUM 16
|
|
|
|
/** start UDP port number of the SVIP Linecard System */
|
|
#define SVIP_UDP_FROM 50000
|
|
|
|
/** @defgroup SVIP_NATAPI SVIP Custom NAT ioctl interface.
|
|
An ioctl interface is provided to add a rule into the SVIP NAT table and
|
|
to respectively remove the rule form it. The ioctl interface is accessible
|
|
using the fd issued upon opening the special device node /dev/svip_nat.
|
|
@{ */
|
|
|
|
/** Used to add a new rule to the SVIP Custom NAT table. If a rule already
|
|
exists for the target UDP port, that rule shall be overwritten.
|
|
|
|
\param SVIP_NAT_IO_Rule_t* The parameter points to a
|
|
\ref SVIP_NAT_IO_Rule_t structure.
|
|
*/
|
|
#define FIO_SVIP_NAT_RULE_ADD \
|
|
_IOW(MAJOR_NUM_SVIP_NAT, 1, SVIP_NAT_IO_Rule_t)
|
|
|
|
/** Used to remove a rule from the SVIP Custom NAT table. No check is
|
|
performed whether the rule already exists or not. The remove operation is
|
|
performed as long as the target UDP port is within the defined port range.
|
|
|
|
\param SVIP_NAT_IO_Rule_t* The parameter points to a
|
|
\ref SVIP_NAT_IO_Rule_t structure.
|
|
*/
|
|
#define FIO_SVIP_NAT_RULE_REMOVE \
|
|
_IOW(MAJOR_NUM_SVIP_NAT, 2, SVIP_NAT_IO_Rule_t)
|
|
|
|
/** Used to list all rules in the SVIP Custom NAT table.
|
|
|
|
\param <none>
|
|
*/
|
|
#define FIO_SVIP_NAT_RULE_LIST \
|
|
_IO(MAJOR_NUM_SVIP_NAT, 3)
|
|
|
|
/** IP address in network-byte order */
|
|
typedef u32 SVIP_IP_ADDR_t;
|
|
/** UDP port in network-byte order */
|
|
typedef u16 SVIP_UDP_PORT_t;
|
|
|
|
#ifndef ETH_ALEN
|
|
#define ETH_ALEN 6 /* Octets in one ethernet address */
|
|
#endif
|
|
|
|
/** NAT parameters part of the NAT table.
|
|
These paramters are configurable through the NAT API. */
|
|
typedef struct SVIP_NAT_IO_Rule
|
|
{
|
|
/** Remote peer, IP address */
|
|
SVIP_IP_ADDR_t remIP;
|
|
/** Remote peer, MAC address */
|
|
u8 remMAC[ETH_ALEN];
|
|
/** Target SVIP, IP address (local peer) */
|
|
SVIP_IP_ADDR_t locIP;
|
|
/** Target SVIP, MAC address */
|
|
u8 locMAC[ETH_ALEN];
|
|
/** Target SVIP, UDP port number */
|
|
SVIP_UDP_PORT_t locUDP;
|
|
} SVIP_NAT_IO_Rule_t;
|
|
|
|
/** @} */
|
|
#endif
|