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/*
*
* ATM Lan Emulation Daemon vs. driver interface
*
* carnil@cs.tut.fi
*
*/
#ifndef _ATMLEC_H_
#define _ATMLEC_H_
#include <linux/atmioc.h>
#include <linux/atm.h>
#include <linux/if_ether.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
/* From the total of MAX_LEC_ITF, last NUM_TR_DEVS are reserved for Token Ring.
* E.g. if MAX_LEC_ITF = 48 and NUM_TR_DEVS = 8, then lec0-lec39 are for
* Ethernet ELANs and lec40-lec47 are for Token Ring ELANS.
*/
#define NUM_TR_DEVS 8
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 long max_unknown_frame_time;
unsigned short max_retry_count;
unsigned long aging_time;
unsigned long forward_delay_time;
unsigned long arp_response_time;
unsigned long flush_timeout;
unsigned long path_switching_delay;
unsigned int lane_version; /* LANE2: 1 for LANEv1, 2 for LANEv2 */
int mtu;
};
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 long 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 {
uint16_t lec_id; /* requestor lec_id */
uint32_t 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 */
} content; /* zeppelin, returned by kernel. Used only when proxying */
};
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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