1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _LINUX_DN_H 3 #define _LINUX_DN_H 4 5 #include <linux/ioctl.h> 6 #include <linux/types.h> 7 #include <linux/if_ether.h> 8 9 /* 10 11 DECnet Data Structures and Constants 12 13 */ 14 15 /* 16 * DNPROTO_NSP can't be the same as SOL_SOCKET, 17 * so increment each by one (compared to ULTRIX) 18 */ 19 #define DNPROTO_NSP 2 /* NSP protocol number */ 20 #define DNPROTO_ROU 3 /* Routing protocol number */ 21 #define DNPROTO_NML 4 /* Net mgt protocol number */ 22 #define DNPROTO_EVL 5 /* Evl protocol number (usr) */ 23 #define DNPROTO_EVR 6 /* Evl protocol number (evl) */ 24 #define DNPROTO_NSPT 7 /* NSP trace protocol number */ 25 26 27 #define DN_ADDL 2 28 #define DN_MAXADDL 2 /* ULTRIX headers have 20 here, but pathworks has 2 */ 29 #define DN_MAXOPTL 16 30 #define DN_MAXOBJL 16 31 #define DN_MAXACCL 40 32 #define DN_MAXALIASL 128 33 #define DN_MAXNODEL 256 34 #define DNBUFSIZE 65023 35 36 /* 37 * SET/GET Socket options - must match the DSO_ numbers below 38 */ 39 #define SO_CONDATA 1 40 #define SO_CONACCESS 2 41 #define SO_PROXYUSR 3 42 #define SO_LINKINFO 7 43 44 #define DSO_CONDATA 1 /* Set/Get connect data */ 45 #define DSO_DISDATA 10 /* Set/Get disconnect data */ 46 #define DSO_CONACCESS 2 /* Set/Get connect access data */ 47 #define DSO_ACCEPTMODE 4 /* Set/Get accept mode */ 48 #define DSO_CONACCEPT 5 /* Accept deferred connection */ 49 #define DSO_CONREJECT 6 /* Reject deferred connection */ 50 #define DSO_LINKINFO 7 /* Set/Get link information */ 51 #define DSO_STREAM 8 /* Set socket type to stream */ 52 #define DSO_SEQPACKET 9 /* Set socket type to sequenced packet */ 53 #define DSO_MAXWINDOW 11 /* Maximum window size allowed */ 54 #define DSO_NODELAY 12 /* Turn off nagle */ 55 #define DSO_CORK 13 /* Wait for more data! */ 56 #define DSO_SERVICES 14 /* NSP Services field */ 57 #define DSO_INFO 15 /* NSP Info field */ 58 #define DSO_MAX 15 /* Maximum option number */ 59 60 61 /* LINK States */ 62 #define LL_INACTIVE 0 63 #define LL_CONNECTING 1 64 #define LL_RUNNING 2 65 #define LL_DISCONNECTING 3 66 67 #define ACC_IMMED 0 68 #define ACC_DEFER 1 69 70 #define SDF_WILD 1 /* Wild card object */ 71 #define SDF_PROXY 2 /* Addr eligible for proxy */ 72 #define SDF_UICPROXY 4 /* Use uic-based proxy */ 73 74 /* Structures */ 75 76 77 struct dn_naddr { 78 __le16 a_len; 79 __u8 a_addr[DN_MAXADDL]; /* Two bytes little endian */ 80 }; 81 82 struct sockaddr_dn { 83 __u16 sdn_family; 84 __u8 sdn_flags; 85 __u8 sdn_objnum; 86 __le16 sdn_objnamel; 87 __u8 sdn_objname[DN_MAXOBJL]; 88 struct dn_naddr sdn_add; 89 }; 90 #define sdn_nodeaddrl sdn_add.a_len /* Node address length */ 91 #define sdn_nodeaddr sdn_add.a_addr /* Node address */ 92 93 94 95 /* 96 * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure 97 */ 98 struct optdata_dn { 99 __le16 opt_status; /* Extended status return */ 100 #define opt_sts opt_status 101 __le16 opt_optl; /* Length of user data */ 102 __u8 opt_data[16]; /* User data */ 103 }; 104 105 struct accessdata_dn { 106 __u8 acc_accl; 107 __u8 acc_acc[DN_MAXACCL]; 108 __u8 acc_passl; 109 __u8 acc_pass[DN_MAXACCL]; 110 __u8 acc_userl; 111 __u8 acc_user[DN_MAXACCL]; 112 }; 113 114 /* 115 * DECnet logical link information structure 116 */ 117 struct linkinfo_dn { 118 __u16 idn_segsize; /* Segment size for link */ 119 __u8 idn_linkstate; /* Logical link state */ 120 }; 121 122 /* 123 * Ethernet address format (for DECnet) 124 */ 125 union etheraddress { 126 __u8 dne_addr[ETH_ALEN]; /* Full ethernet address */ 127 struct { 128 __u8 dne_hiord[4]; /* DECnet HIORD prefix */ 129 __u8 dne_nodeaddr[2]; /* DECnet node address */ 130 } dne_remote; 131 }; 132 133 134 /* 135 * DECnet physical socket address format 136 */ 137 struct dn_addr { 138 __le16 dna_family; /* AF_DECnet */ 139 union etheraddress dna_netaddr; /* DECnet ethernet address */ 140 }; 141 142 #define DECNET_IOCTL_BASE 0x89 /* PROTOPRIVATE range */ 143 144 #define SIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, struct dn_naddr) 145 #define SIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, struct dn_naddr) 146 #define OSIOCSNETADDR _IOW(DECNET_IOCTL_BASE, 0xe0, int) 147 #define OSIOCGNETADDR _IOR(DECNET_IOCTL_BASE, 0xe1, int) 148 149 #endif /* _LINUX_DN_H */ 150