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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* ATM Lan Emulation Daemon driver interface
*
* Marko Kiiskila <mkiiskila@yahoo.com>
*/
#ifndef _ATMLEC_H_
#define _ATMLEC_H_
#include <linux/atmapi.h>
#include <linux/atmioc.h>
#include <linux/atm.h>
#include <linux/if_ether.h>
#include <linux/types.h>
/* ATM lec daemon control socket */
#define ATMLEC_CTRL _IO('a', ATMIOC_LANE)
#define ATMLEC_DATA _IO('a', ATMIOC_LANE+1)
#define ATMLEC_MCAST _IO('a', ATMIOC_LANE+2)
/* Maximum number of LEC interfaces (tweakable) */
#define MAX_LEC_ITF 48
typedef enum {
l_set_mac_addr,
l_del_mac_addr,
l_svc_setup,
l_addr_delete,
l_topology_change,
l_flush_complete,
l_arp_update,
l_narp_req, /* LANE2 mandates the use of this */
l_config,
l_flush_tran_id,
l_set_lecid,
l_arp_xmt,
l_rdesc_arp_xmt,
l_associate_req,
l_should_bridge /* should we bridge this MAC? */
} atmlec_msg_type;
#define ATMLEC_MSG_TYPE_MAX l_should_bridge
struct atmlec_config_msg {
unsigned int maximum_unknown_frame_count;
unsigned int max_unknown_frame_time;
unsigned short max_retry_count;
unsigned int aging_time;
unsigned int forward_delay_time;
unsigned int arp_response_time;
unsigned int flush_timeout;
unsigned int path_switching_delay;
unsigned int lane_version; /* LANE2: 1 for LANEv1, 2 for LANEv2 */
int mtu;
int is_proxy;
};
struct atmlec_msg {
atmlec_msg_type type;
int sizeoftlvs; /* LANE2: if != 0, tlvs follow */
union {
struct {
unsigned char mac_addr[ETH_ALEN];
unsigned char atm_addr[ATM_ESA_LEN];
unsigned int flag; /*
* Topology_change flag,
* remoteflag, permanent flag,
* lecid, transaction id
*/
unsigned int targetless_le_arp; /* LANE2 */
unsigned int no_source_le_narp; /* LANE2 */
} normal;
struct atmlec_config_msg config;
struct {
__u16 lec_id; /* requestor lec_id */
__u32 tran_id; /* transaction id */
unsigned char mac_addr[ETH_ALEN]; /* dst mac addr */
unsigned char atm_addr[ATM_ESA_LEN]; /* reqestor ATM addr */
} proxy; /*
* For mapping LE_ARP requests to responses. Filled by
* zeppelin, returned by kernel. Used only when proxying
*/
} content;
} __ATM_API_ALIGN;
struct atmlec_ioc {
int dev_num;
unsigned char atm_addr[ATM_ESA_LEN];
unsigned char receive; /* 1= receive vcc, 0 = send vcc */
};
#endif /* _ATMLEC_H_ */
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