mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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cea2b4210d
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32953 3c298f89-4303-0410-b956-a3cf2f4a3e73
104 lines
3.6 KiB
C
104 lines
3.6 KiB
C
/******************************************************************************
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Copyright (c) 2007
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Infineon Technologies AG
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Am Campeon 1-12; 81726 Munich, Germany
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THE DELIVERY OF THIS SOFTWARE AS WELL AS THE HEREBY GRANTED NON-EXCLUSIVE,
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WORLDWIDE LICENSE TO USE, COPY, MODIFY, DISTRIBUTE AND SUBLICENSE THIS
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SOFTWARE IS FREE OF CHARGE.
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THE LICENSED SOFTWARE IS PROVIDED "AS IS" AND INFINEON EXPRESSLY DISCLAIMS
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ALL REPRESENTATIONS AND WARRANTIES, WHETHER EXPRESS OR IMPLIED, INCLUDING
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WITHOUT LIMITATION, WARRANTIES OR REPRESENTATIONS OF WORKMANSHIP,
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, DURABILITY, THAT THE
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OPERATING OF THE LICENSED SOFTWARE WILL BE ERROR FREE OR FREE OF ANY THIRD
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PARTY CLAIMS, INCLUDING WITHOUT LIMITATION CLAIMS OF THIRD PARTY INTELLECTUAL
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PROPERTY INFRINGEMENT.
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EXCEPT FOR ANY LIABILITY DUE TO WILFUL ACTS OR GROSS NEGLIGENCE AND EXCEPT
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FOR ANY PERSONAL INJURY INFINEON SHALL IN NO EVENT BE LIABLE FOR ANY CLAIM
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OR DAMAGES OF ANY KIND, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*******************************************************************************/
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#ifndef _SVIP_NAT_IO_H_
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#define _SVIP_NAT_IO_H_
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#include <asm/ioctl.h>
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#define SVIP_NAT_DEVICE_NAME "svip_nat"
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#define PATH_SVIP_NAT_DEVICE_NAME "/dev/"SVIP_NAT_DEVICE_NAME
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#define MAJOR_NUM_SVIP_NAT 10
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#define MINOR_NUM_SVIP_NAT 120
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/** maximum SVIP devices supported on a Line card system */
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#define SVIP_SYS_NUM 12
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/** maximum voice packet channels possible per SVIP device */
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#define SVIP_CODEC_NUM 16
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/** start UDP port number of the SVIP Linecard System */
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#define SVIP_UDP_FROM 50000
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/** @defgroup SVIP_NATAPI SVIP Custom NAT ioctl interface.
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An ioctl interface is provided to add a rule into the SVIP NAT table and
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to respectively remove the rule form it. The ioctl interface is accessible
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using the fd issued upon opening the special device node /dev/svip_nat.
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@{ */
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/** Used to add a new rule to the SVIP Custom NAT table. If a rule already
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exists for the target UDP port, that rule shall be overwritten.
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\param SVIP_NAT_IO_Rule_t* The parameter points to a
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\ref SVIP_NAT_IO_Rule_t structure.
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*/
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#define FIO_SVIP_NAT_RULE_ADD \
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_IOW(MAJOR_NUM_SVIP_NAT, 1, SVIP_NAT_IO_Rule_t)
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/** Used to remove a rule from the SVIP Custom NAT table. No check is
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performed whether the rule already exists or not. The remove operation is
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performed as long as the target UDP port is within the defined port range.
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\param SVIP_NAT_IO_Rule_t* The parameter points to a
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\ref SVIP_NAT_IO_Rule_t structure.
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*/
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#define FIO_SVIP_NAT_RULE_REMOVE \
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_IOW(MAJOR_NUM_SVIP_NAT, 2, SVIP_NAT_IO_Rule_t)
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/** Used to list all rules in the SVIP Custom NAT table.
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\param <none>
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*/
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#define FIO_SVIP_NAT_RULE_LIST \
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_IO(MAJOR_NUM_SVIP_NAT, 3)
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/** IP address in network-byte order */
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typedef u32 SVIP_IP_ADDR_t;
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/** UDP port in network-byte order */
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typedef u16 SVIP_UDP_PORT_t;
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#ifndef ETH_ALEN
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#define ETH_ALEN 6 /* Octets in one ethernet address */
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#endif
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/** NAT parameters part of the NAT table.
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These paramters are configurable through the NAT API. */
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typedef struct SVIP_NAT_IO_Rule
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{
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/** Remote peer, IP address */
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SVIP_IP_ADDR_t remIP;
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/** Remote peer, MAC address */
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u8 remMAC[ETH_ALEN];
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/** Target SVIP, IP address (local peer) */
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SVIP_IP_ADDR_t locIP;
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/** Target SVIP, MAC address */
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u8 locMAC[ETH_ALEN];
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/** Target SVIP, UDP port number */
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SVIP_UDP_PORT_t locUDP;
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} SVIP_NAT_IO_Rule_t;
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/** @} */
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#endif
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