Release 4.7 include/uapi/linux/atmlec.h

/*
 * 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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