1#ifndef _LINUX_DN_H 2#define _LINUX_DN_H 3 4#include <linux/types.h> 5 6/* 7 8 DECnet Data Structures and Constants 9 10*/ 11 12/* 13 * DNPROTO_NSP can't be the same as SOL_SOCKET, 14 * so increment each by one (compared to ULTRIX) 15 */ 16#define DNPROTO_NSP 2 /* NSP protocol number */ 17#define DNPROTO_ROU 3 /* Routing protocol number */ 18#define DNPROTO_NML 4 /* Net mgt protocol number */ 19#define DNPROTO_EVL 5 /* Evl protocol number (usr) */ 20#define DNPROTO_EVR 6 /* Evl protocol number (evl) */ 21#define DNPROTO_NSPT 7 /* NSP trace protocol number */ 22 23 24#define DN_ADDL 2 25#define DN_MAXADDL 2 /* ULTRIX headers have 20 here, but pathworks has 2 */ 26#define DN_MAXOPTL 16 27#define DN_MAXOBJL 16 28#define DN_MAXACCL 40 29#define DN_MAXALIASL 128 30#define DN_MAXNODEL 256 31#define DNBUFSIZE 65023 32 33/* 34 * SET/GET Socket options - must match the DSO_ numbers below 35 */ 36#define SO_CONDATA 1 37#define SO_CONACCESS 2 38#define SO_PROXYUSR 3 39#define SO_LINKINFO 7 40 41#define DSO_CONDATA 1 /* Set/Get connect data */ 42#define DSO_DISDATA 10 /* Set/Get disconnect data */ 43#define DSO_CONACCESS 2 /* Set/Get connect access data */ 44#define DSO_ACCEPTMODE 4 /* Set/Get accept mode */ 45#define DSO_CONACCEPT 5 /* Accept deferred connection */ 46#define DSO_CONREJECT 6 /* Reject deferred connection */ 47#define DSO_LINKINFO 7 /* Set/Get link information */ 48#define DSO_STREAM 8 /* Set socket type to stream */ 49#define DSO_SEQPACKET 9 /* Set socket type to sequenced packet */ 50#define DSO_MAXWINDOW 11 /* Maximum window size allowed */ 51#define DSO_NODELAY 12 /* Turn off nagle */ 52#define DSO_CORK 13 /* Wait for more data! */ 53#define DSO_SERVICES 14 /* NSP Services field */ 54#define DSO_INFO 15 /* NSP Info field */ 55#define DSO_MAX 15 /* Maximum option number */ 56 57 58/* LINK States */ 59#define LL_INACTIVE 0 60#define LL_CONNECTING 1 61#define LL_RUNNING 2 62#define LL_DISCONNECTING 3 63 64#define ACC_IMMED 0 65#define ACC_DEFER 1 66 67#define SDF_WILD 1 /* Wild card object */ 68#define SDF_PROXY 2 /* Addr eligible for proxy */ 69#define SDF_UICPROXY 4 /* Use uic-based proxy */ 70 71/* Structures */ 72 73 74struct dn_naddr { 75 __le16 a_len; 76 __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */ 77}; 78 79struct sockaddr_dn { 80 __u16 sdn_family; 81 __u8 sdn_flags; 82 __u8 sdn_objnum; 83 __le16 sdn_objnamel; 84 __u8 sdn_objname[DN_MAXOBJL]; 85 struct dn_naddr sdn_add; 86}; 87#define sdn_nodeaddrl sdn_add.a_len /* Node address length */ 88#define sdn_nodeaddr sdn_add.a_addr /* Node address */ 89 90 91 92/* 93 * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure 94 */ 95struct optdata_dn { 96 __le16 opt_status; /* Extended status return */ 97#define opt_sts opt_status 98 __le16 opt_optl; /* Length of user data */ 99 __u8 opt_data[16]; /* User data */ 100}; 101 102struct accessdata_dn { 103 __u8 acc_accl; 104 __u8 acc_acc[DN_MAXACCL]; 105 __u8 acc_passl; 106 __u8 acc_pass[DN_MAXACCL]; 107 __u8 acc_userl; 108 __u8 acc_user[DN_MAXACCL]; 109}; 110 111/* 112 * DECnet logical link information structure 113 */ 114struct linkinfo_dn { 115 __u16 idn_segsize; /* Segment size for link */ 116 __u8 idn_linkstate; /* Logical link state */ 117}; 118 119/* 120 * Ethernet address format (for DECnet) 121 */ 122union etheraddress { 123 __u8 dne_addr[6]; /* Full ethernet address */ 124 struct { 125 __u8 dne_hiord[4]; /* DECnet HIORD prefix */ 126 __u8 dne_nodeaddr[2]; /* DECnet node address */ 127 } dne_remote; 128}; 129 130 131/* 132 * DECnet physical socket address format 133 */ 134struct dn_addr { 135 __le16 dna_family; /* AF_DECnet */ 136 union etheraddress dna_netaddr; /* DECnet ethernet address */ 137}; 138 139#define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */ 140 141#define SIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr) 142#define SIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr) 143#define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int) 144#define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int) 145 146#endif /* _LINUX_DN_H */ 147