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