diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1999-10-09 00:00:47 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 1999-10-09 00:00:47 +0000 |
commit | d6434e1042f3b0a6dfe1b1f615af369486f9b1fa (patch) | |
tree | e2be02f33984c48ec019c654051d27964e42c441 /include/linux/atm.h | |
parent | 609d1e803baf519487233b765eb487f9ec227a18 (diff) |
Merge with 2.3.19.
Diffstat (limited to 'include/linux/atm.h')
-rw-r--r-- | include/linux/atm.h | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/include/linux/atm.h b/include/linux/atm.h new file mode 100644 index 000000000..67a8f3465 --- /dev/null +++ b/include/linux/atm.h @@ -0,0 +1,253 @@ +/* atm.h - general ATM declarations */ + +/* Written 1995-1999 by Werner Almesberger, EPFL LRC/ICA */ + + +/* + * WARNING: User-space programs should not #include <linux/atm.h> directly. + * Instead, #include <atm.h> + */ + +#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. + */ + +#ifdef __KERNEL__ +#include <linux/socket.h> +#include <linux/types.h> +#endif +#include <linux/atmsap.h> +#include <linux/atmioc.h> + + +/* 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 */ + + +/* "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) */ + +/* + * socket option name coding functions + * + * Note that __SO_ENCODE and __SO_LEVEL are somewhat a hack since the + * << 22 only reserves 9 bits for the level. On some architectures + * SOL_SOCKET is 0xFFFF, so that's a bit of a problem + */ + +#define __SO_ENCODE(l,n,t) ((((l) & 0x1FF) << 22) | ((n) << 16) | \ + sizeof(t)) +#define __SO_LEVEL_MATCH(c,m) (((c) >> 22) == ((m) & 0x1FF)) +#define __SO_NUMBER(c) (((c) >> 16) & 0x3f) +#define __SO_SIZE(c) ((c) & 0x3fff) + +/* + * ATM layer + */ + +#define SO_SETCLP __SO_ENCODE(SOL_ATM,0,int) + /* set CLP bit value - TODO */ +#define SO_CIRANGE __SO_ENCODE(SOL_ATM,1,struct atm_cirange) + /* connection identifier range; socket must be + bound or connected */ +#define SO_ATMQOS __SO_ENCODE(SOL_ATM,2,struct atm_qos) + /* Quality of Service setting */ +#define SO_ATMSAP __SO_ENCODE(SOL_ATM,3,struct atm_sap) + /* Service Access Point */ +#define SO_ATMPVC __SO_ENCODE(SOL_ATM,4,struct sockaddr_atmpvc) + /* "PVC" address (also for SVCs); get only */ + +/* + * Note @@@: since the socket layers don't really distinguish the control and + * the data plane but generally seems to be data plane-centric, any layer is + * about equally wrong for the SAP. If you have a better idea about this, + * please speak up ... + */ + +/* socket layer */ +#define SO_BCTXOPT __SO_ENCODE(SOL_SOCKET,16,struct atm_buffconst) + /* not ATM specific - should go somewhere else */ +#define SO_BCRXOPT __SO_ENCODE(SOL_SOCKET,17,struct atm_buffconst) + + +/* 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 pcr; /* desired 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_AFI_DCC 0x39 /* DCC ATM Format */ +#define ATM_AFI_ICD 0x47 /* ICD ATM Format */ +#define ATM_AFI_E164 0x45 /* E.164 ATM Format */ +#define ATM_AFI_LOCAL 0x49 /* Local ATM Format */ + +#define ATM_AFI_DCC_GROUP 0xBD /* DCC ATM Group Format */ +#define ATM_AFI_ICD_GROUP 0xC5 /* ICD ATM Group Format */ +#define ATM_AFI_E164_GROUP 0xC3 /* E.164 ATM Group Format */ +#define ATM_AFI_LOCAL_GROUP 0xC7 /* Local ATM Group Format */ + +#define ATM_LIJ_NONE 0 /* no leaf-initiated join */ +#define ATM_LIJ 1 /* request joining */ +#define ATM_LIJ_RPJ 2 /* set to root-prompted join */ +#define ATM_LIJ_NJ 3 /* set to network join */ + + +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 */ + char lij_type; /* role in LIJ call; one of ATM_LIJ* */ + uint32_t lij_id; /* LIJ call identifier */ + } sas_addr; /* SVC address */ +}; + + +static __inline__ int atmsvc_addr_in_use(struct sockaddr_atmsvc addr) +{ + return *addr.sas_addr.prv || *addr.sas_addr.pub; +} + + +static __inline__ int atmpvc_addr_in_use(struct sockaddr_atmpvc addr) +{ + return addr.sap_addr.itf || addr.sap_addr.vpi || addr.sap_addr.vci; +} + + +/* + * Some stuff for linux/sockios.h + */ + +struct atmif_sioc { + int number; + int length; + void *arg; +}; + + +#define ATM_CREATE_LEAF _IO('a',ATMIOC_SPECIAL+2) + /* create a point-to-multipoint leaf socket */ + + +#ifdef __KERNEL__ + +#include <linux/net.h> /* struct net_proto */ + + +void atmpvc_proto_init(struct net_proto *pro); +void atmsvc_proto_init(struct net_proto *pro); + +#endif /* __KERNEL__ */ + +#endif |