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