mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-29 15:43:59 +08:00
8865c418ca
We lack compat ioctl support through most of the ATM code. This patch
deals with most of it, and I can now at least use BR2684 and PPPoATM
with 32-bit userspace.
I haven't added a .compat_ioctl method to struct atm_ioctl, because
AFAICT none of the current users need any conversion -- so we can just
call the ->ioctl() method in every case. I looked at br2684, clip, lec,
mpc, pppoatm and atmtcp.
In svc_compat_ioctl() the only mangling which is needed is to change
COMPAT_ATM_ADDPARTY to ATM_ADDPARTY. Although it's defined as
_IOW('a', ATMIOC_SPECIAL+4,struct atm_iobuf)
it doesn't actually _take_ a struct atm_iobuf as an argument -- it takes
a struct sockaddr_atmsvc, which _is_ the same between 32-bit and 64-bit
code, so doesn't need conversion.
Almost all of vcc_ioctl() would have been identical, so I converted that
into a core do_vcc_ioctl() function with an 'int compat' argument.
I've done the same with atm_dev_ioctl(), where there _are_ a few
differences, but still it's relatively contained and there would
otherwise have been a lot of duplication.
I haven't done any of the actual device-specific ioctls, although I've
added a compat_ioctl method to struct atmdev_ops.
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
252 lines
7.8 KiB
C
252 lines
7.8 KiB
C
/* atm.h - general ATM declarations */
|
|
|
|
/* Written 1995-2000 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.
|
|
*/
|
|
|
|
#include <linux/compiler.h>
|
|
#include <linux/atmapi.h>
|
|
#include <linux/atmsap.h>
|
|
#include <linux/atmioc.h>
|
|
#include <linux/types.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 */
|
|
#define SO_MULTIPOINT __SO_ENCODE(SOL_ATM, 5, int)
|
|
/* make this vc a p2mp */
|
|
|
|
|
|
/*
|
|
* 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 ...
|
|
*/
|
|
|
|
|
|
/* 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 */
|
|
/* extra params for ABR */
|
|
unsigned int icr; /* Initial Cell Rate (24-bit) */
|
|
unsigned int tbe; /* Transient Buffer Exposure (24-bit) */
|
|
unsigned int frtt : 24; /* Fixed Round Trip Time (24-bit) */
|
|
unsigned int rif : 4; /* Rate Increment Factor (4-bit) */
|
|
unsigned int rdf : 4; /* Rate Decrease Factor (4-bit) */
|
|
unsigned int nrm_pres :1; /* nrm present bit */
|
|
unsigned int trm_pres :1; /* rm present bit */
|
|
unsigned int adtf_pres :1; /* adtf present bit */
|
|
unsigned int cdf_pres :1; /* cdf present bit*/
|
|
unsigned int nrm :3; /* Max # of Cells for each forward RM cell (3-bit) */
|
|
unsigned int trm :3; /* Time between forward RM cells (3-bit) */
|
|
unsigned int adtf :10; /* ACR Decrease Time Factor (10-bit) */
|
|
unsigned int cdf :3; /* Cutoff Decrease Factor (3-bit) */
|
|
unsigned int spare :9; /* spare bits */
|
|
};
|
|
|
|
struct atm_qos {
|
|
struct atm_trafprm txtp; /* parameters in TX direction */
|
|
struct atm_trafprm rxtp __ATM_API_ALIGN;
|
|
/* parameters in RX direction */
|
|
unsigned char aal __ATM_API_ALIGN;
|
|
};
|
|
|
|
/* 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 __ATM_API_ALIGN; /* 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* */
|
|
__u32 lij_id; /* LIJ call identifier */
|
|
} sas_addr __ATM_API_ALIGN; /* 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 __user *arg;
|
|
};
|
|
|
|
#ifdef __KERNEL__
|
|
#ifdef CONFIG_COMPAT
|
|
#include <linux/compat.h>
|
|
struct compat_atmif_sioc {
|
|
int number;
|
|
int length;
|
|
compat_uptr_t arg;
|
|
};
|
|
#endif
|
|
#endif
|
|
|
|
typedef unsigned short atm_backend_t;
|
|
#endif
|