1 /* 2 * ATM Lan Emulation Daemon driver interface 3 * 4 * Marko Kiiskila <mkiiskila@yahoo.com> 5 */ 6 7 #ifndef _ATMLEC_H_ 8 #define _ATMLEC_H_ 9 10 #include <linux/atmapi.h> 11 #include <linux/atmioc.h> 12 #include <linux/atm.h> 13 #include <linux/if_ether.h> 14 15 /* ATM lec daemon control socket */ 16 #define ATMLEC_CTRL _IO('a', ATMIOC_LANE) 17 #define ATMLEC_DATA _IO('a', ATMIOC_LANE+1) 18 #define ATMLEC_MCAST _IO('a', ATMIOC_LANE+2) 19 20 /* Maximum number of LEC interfaces (tweakable) */ 21 #define MAX_LEC_ITF 48 22 23 /* 24 * From the total of MAX_LEC_ITF, last NUM_TR_DEVS are reserved for Token Ring. 25 * E.g. if MAX_LEC_ITF = 48 and NUM_TR_DEVS = 8, then lec0-lec39 are for 26 * Ethernet ELANs and lec40-lec47 are for Token Ring ELANS. 27 */ 28 #define NUM_TR_DEVS 8 29 30 typedef enum { 31 l_set_mac_addr, 32 l_del_mac_addr, 33 l_svc_setup, 34 l_addr_delete, 35 l_topology_change, 36 l_flush_complete, 37 l_arp_update, 38 l_narp_req, /* LANE2 mandates the use of this */ 39 l_config, 40 l_flush_tran_id, 41 l_set_lecid, 42 l_arp_xmt, 43 l_rdesc_arp_xmt, 44 l_associate_req, 45 l_should_bridge /* should we bridge this MAC? */ 46 } atmlec_msg_type; 47 48 #define ATMLEC_MSG_TYPE_MAX l_should_bridge 49 50 struct atmlec_config_msg { 51 unsigned int maximum_unknown_frame_count; 52 unsigned int max_unknown_frame_time; 53 unsigned short max_retry_count; 54 unsigned int aging_time; 55 unsigned int forward_delay_time; 56 unsigned int arp_response_time; 57 unsigned int flush_timeout; 58 unsigned int path_switching_delay; 59 unsigned int lane_version; /* LANE2: 1 for LANEv1, 2 for LANEv2 */ 60 int mtu; 61 int is_proxy; 62 }; 63 64 struct atmlec_msg { 65 atmlec_msg_type type; 66 int sizeoftlvs; /* LANE2: if != 0, tlvs follow */ 67 union { 68 struct { 69 unsigned char mac_addr[ETH_ALEN]; 70 unsigned char atm_addr[ATM_ESA_LEN]; 71 unsigned int flag; /* 72 * Topology_change flag, 73 * remoteflag, permanent flag, 74 * lecid, transaction id 75 */ 76 unsigned int targetless_le_arp; /* LANE2 */ 77 unsigned int no_source_le_narp; /* LANE2 */ 78 } normal; 79 struct atmlec_config_msg config; 80 struct { 81 uint16_t lec_id; /* requestor lec_id */ 82 uint32_t tran_id; /* transaction id */ 83 unsigned char mac_addr[ETH_ALEN]; /* dst mac addr */ 84 unsigned char atm_addr[ATM_ESA_LEN]; /* reqestor ATM addr */ 85 } proxy; /* 86 * For mapping LE_ARP requests to responses. Filled by 87 * zeppelin, returned by kernel. Used only when proxying 88 */ 89 } content; 90 } __ATM_API_ALIGN; 91 92 struct atmlec_ioc { 93 int dev_num; 94 unsigned char atm_addr[ATM_ESA_LEN]; 95 unsigned char receive; /* 1= receive vcc, 0 = send vcc */ 96 }; 97 #endif /* _ATMLEC_H_ */ 98