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1 #ifndef __LINUX_LLC_H |
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2 #define __LINUX_LLC_H |
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3 /* |
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4 * IEEE 802.2 User Interface SAPs for Linux, data structures and indicators. |
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5 * |
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6 * Copyright (c) 2001 by Jay Schulist <jschlst@samba.org> |
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7 * |
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8 * This program can be redistributed or modified under the terms of the |
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9 * GNU General Public License as published by the Free Software Foundation. |
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10 * This program is distributed without any warranty or implied warranty |
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11 * of merchantability or fitness for a particular purpose. |
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12 * |
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13 * See the GNU General Public License for more details. |
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14 */ |
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15 #define __LLC_SOCK_SIZE__ 16 /* sizeof(sockaddr_llc), word align. */ |
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16 struct sockaddr_llc { |
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17 sa_family_t sllc_family; /* AF_LLC */ |
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18 sa_family_t sllc_arphrd; /* ARPHRD_ETHER */ |
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19 unsigned char sllc_test; |
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20 unsigned char sllc_xid; |
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21 unsigned char sllc_ua; /* UA data, only for SOCK_STREAM. */ |
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22 unsigned char sllc_sap; |
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23 unsigned char sllc_mac[IFHWADDRLEN]; |
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24 unsigned char __pad[__LLC_SOCK_SIZE__ - sizeof(sa_family_t) * 2 - |
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25 sizeof(unsigned char) * 4 - IFHWADDRLEN]; |
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26 }; |
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27 |
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28 /* sockopt definitions. */ |
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29 enum llc_sockopts { |
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30 LLC_OPT_UNKNOWN = 0, |
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31 LLC_OPT_RETRY, /* max retrans attempts. */ |
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32 LLC_OPT_SIZE, /* max PDU size (octets). */ |
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33 LLC_OPT_ACK_TMR_EXP, /* ack expire time (secs). */ |
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34 LLC_OPT_P_TMR_EXP, /* pf cycle expire time (secs). */ |
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35 LLC_OPT_REJ_TMR_EXP, /* rej sent expire time (secs). */ |
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36 LLC_OPT_BUSY_TMR_EXP, /* busy state expire time (secs). */ |
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37 LLC_OPT_TX_WIN, /* tx window size. */ |
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38 LLC_OPT_RX_WIN, /* rx window size. */ |
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39 LLC_OPT_MAX |
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40 }; |
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41 |
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42 #define LLC_OPT_MAX_RETRY 100 |
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43 #define LLC_OPT_MAX_SIZE 4196 |
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44 #define LLC_OPT_MAX_WIN 127 |
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45 #define LLC_OPT_MAX_ACK_TMR_EXP 60 |
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46 #define LLC_OPT_MAX_P_TMR_EXP 60 |
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47 #define LLC_OPT_MAX_REJ_TMR_EXP 60 |
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48 #define LLC_OPT_MAX_BUSY_TMR_EXP 60 |
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49 |
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50 /* LLC SAP types. */ |
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51 #define LLC_SAP_NULL 0x00 /* NULL SAP. */ |
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52 #define LLC_SAP_LLC 0x02 /* LLC Sublayer Management. */ |
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53 #define LLC_SAP_SNA 0x04 /* SNA Path Control. */ |
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54 #define LLC_SAP_PNM 0x0E /* Proway Network Management. */ |
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55 #define LLC_SAP_IP 0x06 /* TCP/IP. */ |
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56 #define LLC_SAP_BSPAN 0x42 /* Bridge Spanning Tree Proto */ |
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57 #define LLC_SAP_MMS 0x4E /* Manufacturing Message Srv. */ |
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58 #define LLC_SAP_8208 0x7E /* ISO 8208 */ |
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59 #define LLC_SAP_3COM 0x80 /* 3COM. */ |
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60 #define LLC_SAP_PRO 0x8E /* Proway Active Station List */ |
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61 #define LLC_SAP_SNAP 0xAA /* SNAP. */ |
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62 #define LLC_SAP_BANYAN 0xBC /* Banyan. */ |
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63 #define LLC_SAP_IPX 0xE0 /* IPX/SPX. */ |
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64 #define LLC_SAP_NETBEUI 0xF0 /* NetBEUI. */ |
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65 #define LLC_SAP_LANMGR 0xF4 /* LanManager. */ |
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66 #define LLC_SAP_IMPL 0xF8 /* IMPL */ |
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67 #define LLC_SAP_DISC 0xFC /* Discovery */ |
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68 #define LLC_SAP_OSI 0xFE /* OSI Network Layers. */ |
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69 #define LLC_SAP_LAR 0xDC /* LAN Address Resolution */ |
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70 #define LLC_SAP_RM 0xD4 /* Resource Management */ |
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71 #define LLC_SAP_GLOBAL 0xFF /* Global SAP. */ |
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72 |
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73 #ifdef __KERNEL__ |
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74 #define LLC_SAP_DYN_START 0xC0 |
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75 #define LLC_SAP_DYN_STOP 0xDE |
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76 #define LLC_SAP_DYN_TRIES 4 |
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77 |
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78 #define llc_ui_skb_cb(__skb) ((struct sockaddr_llc *)&((__skb)->cb[0])) |
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79 #endif /* __KERNEL__ */ |
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80 #endif /* __LINUX_LLC_H */ |