/* atm.h - general ATM declarations */ /* Written 1995-1997 by Werner Almesberger, EPFL LRC */ #ifndef _LINUX_ATM_H #define _LINUX_ATM_H /* * BEGIN_xx and END_xx markers are used for automatic generation of * documentation. Do not change them. */ #include #include /* general ATM constants */ #define ATM_CELL_SIZE 53 /* ATM cell size incl. header */ #define ATM_CELL_PAYLOAD 48 /* ATM payload size */ #define ATM_AAL0_SDU 52 /* AAL0 SDU size */ #define ATM_MAX_AAL34_PDU 65535 /* maximum AAL3/4 PDU payload */ #define ATM_AAL5_TRAILER 8 /* AAL5 trailer size */ #define ATM_MAX_AAL5_PDU 65535 /* maximum AAL5 PDU payload */ #define ATM_MAX_CDV 9999 /* maximum (default) CDV */ #define ATM_NOT_RSV_VCI 32 /* first non-reserved VCI value */ #define ATM_MAX_VPI 255 /* maximum VPI at the UNI */ #define ATM_MAX_VPI_NNI 4096 /* maximum VPI at the NNI */ #define ATM_MAX_VCI 65535 /* maximum VCI */ /* * The following items should be added to sys/socket.h aka linux/socket.h */ /* address families */ #define AF_ATMPVC 6 /* ATM PVCs */ #define AF_ATMSVC 7 /* ATM SVCs */ /* "protcol" values for the socket system call */ #define ATM_NO_AAL 0 /* AAL not specified */ #define ATM_AAL0 13 /* "raw" ATM cells */ #define ATM_AAL1 1 /* AAL1 (CBR) */ #define ATM_AAL2 2 /* AAL2 (VBR) */ #define ATM_AAL34 3 /* AAL3/4 (data) */ #define ATM_AAL5 5 /* AAL5 (data) */ #define ATM_SAAL 12 /* signaling AAL */ /* * UGLY - there should only be one protocol family (PF_ATM) for both * address families. A quick glance at some kernel internals seems to * suggest to me that doing it the "right" way might involve some * swimming against the stream ... */ /* protocol families */ #define PF_ATMPVC AF_ATMPVC #define PF_ATMSVC AF_ATMSVC /* layers for getsockopt/setsockopt */ #define SOL_ATM 2 #define SOL_AAL 3 /* * ATM layer (values used for flags must be 2^n, non-flag values should use * the remaining values) */ #define SO_SETCLP 1 /* set CLP bit value - TODO */ #define SO_CIRANGE 3 /* connection identifier range; socket must be bound or connected */ #define SO_ATMQOS 5 /* Quality of Service setting */ /* AAL layer */ #define SO_AALTYPE 0 /* AAL type, get only */ /* socket layer */ #define SO_BCTXOPT 16 /* not ATM specific - should go */ #define SO_BCRXOPT 17 /* somewhere else */ /* for SO_BCTXOPT and SO_BCRXOPT */ struct atm_buffconst { unsigned long buf_fac; /* buffer alignment factor */ unsigned long buf_off; /* buffer alignment offset */ unsigned long size_fac; /* buffer size factor */ unsigned long size_off; /* buffer size offset */ unsigned long min_size; /* minimum size */ unsigned long max_size; /* maximum size, 0 = unlimited */ }; /* ATM cell header (for AAL0) */ /* BEGIN_CH */ #define ATM_HDR_GFC_MASK 0xf0000000 #define ATM_HDR_GFC_SHIFT 28 #define ATM_HDR_VPI_MASK 0x0ff00000 #define ATM_HDR_VPI_SHIFT 20 #define ATM_HDR_VCI_MASK 0x000ffff0 #define ATM_HDR_VCI_SHIFT 4 #define ATM_HDR_PTI_MASK 0x0000000e #define ATM_HDR_PTI_SHIFT 1 #define ATM_HDR_CLP 0x00000001 /* END_CH */ /* PTI codings */ /* BEGIN_PTI */ #define ATM_PTI_US0 0 /* user data cell, congestion not exp, SDU-type 0 */ #define ATM_PTI_US1 1 /* user data cell, congestion not exp, SDU-type 1 */ #define ATM_PTI_UCES0 2 /* user data cell, cong. experienced, SDU-type 0 */ #define ATM_PTI_UCES1 3 /* user data cell, cong. experienced, SDU-type 1 */ #define ATM_PTI_SEGF5 4 /* segment OAM F5 flow related cell */ #define ATM_PTI_E2EF5 5 /* end-to-end OAM F5 flow related cell */ #define ATM_PTI_RSV_RM 6 /* reserved for traffic control/resource mgmt */ #define ATM_PTI_RSV 7 /* reserved */ /* END_PTI */ /* * The following items should stay in linux/atm.h, which should be linked to * netatm/atm.h */ /* Traffic description */ #define ATM_NONE 0 /* no traffic */ #define ATM_UBR 1 #define ATM_CBR 2 #define ATM_VBR 3 #define ATM_ABR 4 #define ATM_ANYCLASS 5 /* compatible with everything */ #define ATM_MAX_PCR -1 /* maximum available PCR */ struct atm_trafprm { unsigned char traffic_class; /* traffic class (ATM_UBR, ...) */ int max_pcr; /* maximum PCR in cells per second */ int min_pcr; /* minimum PCR in cells per second */ int max_cdv; /* maximum CDV in microseconds */ int max_sdu; /* maximum SDU in bytes */ }; struct atm_qos { struct atm_trafprm txtp; /* parameters in TX direction */ struct atm_trafprm rxtp; /* parameters in RX direction */ unsigned char aal; }; /* PVC addressing */ #define ATM_ITF_ANY -1 /* "magic" PVC address values */ #define ATM_VPI_ANY -1 #define ATM_VCI_ANY -1 #define ATM_VPI_UNSPEC -2 #define ATM_VCI_UNSPEC -2 struct sockaddr_atmpvc { unsigned short sap_family; /* address family, AF_ATMPVC */ struct { /* PVC address */ short itf; /* ATM interface */ short vpi; /* VPI (only 8 bits at UNI) */ int vci; /* VCI (only 16 bits at UNI) */ } sap_addr; /* PVC address */ }; /* SVC addressing */ #define ATM_ESA_LEN 20 /* ATM End System Address length */ #define ATM_E164_LEN 12 /* maximum E.164 number length */ #define ATM_MAX_BLLI 16 /* maximum number of BLLI elements */ #define ATM_AFI_DCC 0x39 /* DCC ATM Format */ #define ATM_AFI_ICD 0x47 /* ICD ATM Format */ #define ATM_AFI_E164 0x45 /* E.164 ATM Format */ struct sockaddr_atmsvc { unsigned short sas_family; /* address family, AF_ATMSVC */ struct { /* SVC address */ unsigned char prv[ATM_ESA_LEN];/* private ATM address */ char pub[ATM_E164_LEN+1]; /* public address (E.164) */ /* unused addresses must be bzero'ed */ struct atm_blli *blli; /* local SAP, low-layer information */ struct atm_bhli bhli; /* local SAP, high-layer information */ } sas_addr; /* SVC address */ }; /* * Some stuff for linux/sockios.h */ struct atmif_sioc { int number; int length; void *arg; }; #define SIOCSIFATMTCP _IO('a',ATMIOC_ITF) /* set ATMTCP mode */ #ifdef __KERNEL__ #include /* struct net_proto */ void atmpvc_proto_init(struct net_proto *pro); void atmsvc_proto_init(struct net_proto *pro); #endif /* __KERNEL__ */ #endif