atmlec.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:3k
- /*
- *
- * ATM Lan Emulation Daemon vs. driver interface
- *
- * carnil@cs.tut.fi
- *
- */
- #ifndef _ATMLEC_H_
- #define _ATMLEC_H_
- #include <linux/atmapi.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 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 {
- 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 */
- } __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_ */