1820df7a2d
Host ATM Research Platform (HARP), Network Computing Services, Inc. This software was developed with the support of the Defense Advanced Research Projects Agency (DARPA).
276 lines
9.2 KiB
C
276 lines
9.2 KiB
C
/*
|
|
*
|
|
* ===================================
|
|
* HARP | Host ATM Research Platform
|
|
* ===================================
|
|
*
|
|
*
|
|
* This Host ATM Research Platform ("HARP") file (the "Software") is
|
|
* made available by Network Computing Services, Inc. ("NetworkCS")
|
|
* "AS IS". NetworkCS does not provide maintenance, improvements or
|
|
* support of any kind.
|
|
*
|
|
* NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
|
|
* INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
* AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
|
|
* SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
|
|
* In no event shall NetworkCS be responsible for any damages, including
|
|
* but not limited to consequential damages, arising from or relating to
|
|
* any use of the Software or related support.
|
|
*
|
|
* Copyright 1994-1998 Network Computing Services, Inc.
|
|
*
|
|
* Copies of this Software may be made, however, the above copyright
|
|
* notice must be reproduced on all copies.
|
|
*
|
|
* @(#) $Id: atm_sys.h,v 1.12 1998/05/18 19:05:57 mks Exp $
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Core ATM Services
|
|
* -----------------
|
|
*
|
|
* General system definitions
|
|
*
|
|
*/
|
|
|
|
#ifndef _NETATM_ATM_SYS_H
|
|
#define _NETATM_ATM_SYS_H
|
|
|
|
/*
|
|
* Software Version
|
|
*/
|
|
#define ATM_VERSION 0x00030000 /* Version 3.0 */
|
|
#define ATM_VERS_MAJ(v) ((v) >> 16)
|
|
#define ATM_VERS_MIN(v) ((v) & 0xffff)
|
|
|
|
|
|
/*
|
|
* Misc system defines
|
|
*/
|
|
#define ATM_CALLQ_MAX 100 /* Maximum length of call queue */
|
|
#define ATM_INTRQ_MAX 1000 /* Maximum length of interrupt queue */
|
|
|
|
|
|
/*
|
|
* ATM address manipulation macros
|
|
*/
|
|
#define ATM_ADDR_EQUAL(a1, a2) \
|
|
(((a1)->address_format == (a2)->address_format) && \
|
|
((a1)->address_length == (a2)->address_length) && \
|
|
(bcmp((caddr_t)(a1)->address, (caddr_t)(a2)->address, \
|
|
(a1)->address_length) == 0))
|
|
|
|
#define ATM_ADDR_SEL_EQUAL(a1, s1, a2) \
|
|
(((a1)->address_format == (a2)->address_format) && \
|
|
((a1)->address_length == (a2)->address_length) && \
|
|
(((((a1)->address_format == T_ATM_ENDSYS_ADDR) || \
|
|
((a1)->address_format == T_ATM_NSAP_ADDR)) && \
|
|
(bcmp((caddr_t)(a1)->address, (caddr_t)(a2)->address, \
|
|
(a1)->address_length - 1) == 0) && \
|
|
((s1) == ((struct atm_addr_nsap *)(a2)->address)->aan_sel)) || \
|
|
(((a1)->address_format != T_ATM_ENDSYS_ADDR) && \
|
|
((a1)->address_format != T_ATM_NSAP_ADDR) && \
|
|
(bcmp((caddr_t)(a1)->address, (caddr_t)(a2)->address, \
|
|
(a1)->address_length) == 0))))
|
|
|
|
#define ATM_ADDR_COPY(a1, a2) \
|
|
{ \
|
|
(a2)->address_format = (a1)->address_format; \
|
|
(a2)->address_length = (a1)->address_length; \
|
|
XM_COPY((caddr_t)(a1)->address, (caddr_t)(a2)->address, \
|
|
(a1)->address_length); \
|
|
}
|
|
|
|
#define ATM_ADDR_SEL_COPY(a1, s1, a2) \
|
|
{ \
|
|
(a2)->address_format = (a1)->address_format; \
|
|
(a2)->address_length = (a1)->address_length; \
|
|
if (((a1)->address_format == T_ATM_ENDSYS_ADDR) || \
|
|
((a1)->address_format == T_ATM_NSAP_ADDR)) { \
|
|
XM_COPY((caddr_t)(a1)->address, (caddr_t)(a2)->address, \
|
|
(a1)->address_length - 1); \
|
|
((struct atm_addr_nsap *)(a2)->address)->aan_sel = (s1);\
|
|
} else { \
|
|
XM_COPY((caddr_t)(a1)->address, (caddr_t)(a2)->address, \
|
|
(a1)->address_length); \
|
|
} \
|
|
}
|
|
|
|
|
|
/*
|
|
* ATM Cell Header definitions
|
|
*/
|
|
|
|
/*
|
|
* These macros assume that the cell header (minus the HEC)
|
|
* is contained in the least-significant 32-bits of a word
|
|
*/
|
|
#define ATM_HDR_SET_VPI(vpi) (((vpi) & 0xff) << 20)
|
|
#define ATM_HDR_SET_VCI(vci) (((vci) & 0xffff) << 4)
|
|
#define ATM_HDR_SET_PT(pt) (((pt) & 0x7) << 1)
|
|
#define ATM_HDR_SET_CLP(clp) ((clp) & 0x1)
|
|
#define ATM_HDR_SET(vpi,vci,pt,clp) (ATM_HDR_SET_VPI(vpi) | \
|
|
ATM_HDR_SET_VCI(vci) | \
|
|
ATM_HDR_SET_PT(pt) | \
|
|
ATM_HDR_SET_CLP(clp))
|
|
#define ATM_HDR_GET_VPI(hdr) (((hdr) >> 20) & 0xff)
|
|
#define ATM_HDR_GET_VCI(hdr) (((hdr) >> 4) & 0xffff)
|
|
#define ATM_HDR_GET_PT(hdr) (((hdr) >> 1) & 0x7)
|
|
#define ATM_HDR_GET_CLP(hdr) ((hdr) & 0x1)
|
|
|
|
/*
|
|
* Payload Type Identifier (3 bits)
|
|
*/
|
|
#define ATM_PT_USER_SDU0 0x0 /* User, no congestion, sdu type 0 */
|
|
#define ATM_PT_USER_SDU1 0x1 /* User, no congestion, sdu type 1 */
|
|
#define ATM_PT_USER_CONG_SDU0 0x2 /* User, congestion, sdu type 0 */
|
|
#define ATM_PT_USER_CONG_SDU1 0x3 /* User, congestion, sdu type 1 */
|
|
#define ATM_PT_NONUSER 0x4 /* User/non-user differentiator */
|
|
#define ATM_PT_OAMF5_SEG 0x4 /* OAM F5 segment flow */
|
|
#define ATM_PT_OAMF5_E2E 0x5 /* OAM F5 end-to-end flow */
|
|
|
|
|
|
/*
|
|
* AAL (ATM Adaptation Layer) codes
|
|
*/
|
|
typedef u_char Aal_t;
|
|
#define ATM_AAL0 0 /* AAL0 - Cell service */
|
|
#define ATM_AAL1 1 /* AAL1 */
|
|
#define ATM_AAL2 2 /* AAL2 */
|
|
#define ATM_AAL3_4 3 /* AAL3/4 */
|
|
#define ATM_AAL5 5 /* AAL5 */
|
|
|
|
|
|
/*
|
|
* VCC Encapsulation codes
|
|
*/
|
|
typedef u_char Encaps_t;
|
|
#define ATM_ENC_NULL 1 /* Null encapsulation */
|
|
#define ATM_ENC_LLC 2 /* LLC encapsulation */
|
|
|
|
|
|
#ifdef ATM_KERNEL
|
|
/*
|
|
* ATM timer control block. Used to schedule a timeout via atm_timeout().
|
|
* This control block will typically be embedded in a processing-specific
|
|
* control block.
|
|
*/
|
|
struct atm_time {
|
|
u_short ti_ticks; /* Delta of ticks until timeout */
|
|
u_char ti_flag; /* Timer flag bits (see below) */
|
|
void (*ti_func) /* Call at timeout expiration */
|
|
__P((struct atm_time *));
|
|
struct atm_time *ti_next; /* Next on queue */
|
|
};
|
|
|
|
/*
|
|
* Timer Flags
|
|
*/
|
|
#define TIF_QUEUED 0x01 /* Control block on timer queue */
|
|
|
|
#define ATM_HZ 2 /* Time ticks per second */
|
|
|
|
|
|
/*
|
|
* To avoid heavy use of kmem_alloc, memory for protocol control blocks may
|
|
* be allocated from storage pools. Each control block type will have
|
|
* its own pool. Each storage pool will consist of individually allocated
|
|
* memory chunks, which will then be sub-divided into the separate control
|
|
* blocks. Each chunk will contain a header (sp_chunk) and 'n' blocks of the
|
|
* same type, plus a link field for each block. Each chunk will also contain
|
|
* a list of all free control blocks in the chunk.
|
|
*
|
|
* Each protocol must define an sp_info structure for each of its storage
|
|
* pools. This structure serves as the "root" for its particular pool.
|
|
* Protocols must not modify this structure after its first use.
|
|
*/
|
|
struct sp_info {
|
|
/* Values supplied by pool owner */
|
|
char *si_name; /* Name of pool */
|
|
size_t si_blksiz; /* Size of each block */
|
|
int si_blkcnt; /* Blocks per chunk */
|
|
int si_maxallow; /* Maximum allowable chunks */
|
|
|
|
/* Used by allocate/free functions - do not touch */
|
|
struct sp_info *si_next; /* Next active storage pool */
|
|
struct sp_chunk *si_poolh; /* Storage pool chunk head */
|
|
struct sp_chunk *si_poolt; /* Storage pool chunk tail */
|
|
size_t si_chunksiz; /* Size of chunk */
|
|
int si_chunks; /* Current allocated chunks */
|
|
int si_total; /* Total number of blocks */
|
|
int si_free; /* Free blocks */
|
|
int si_maxused; /* Maximum allocated chunks */
|
|
int si_allocs; /* Total allocate calls */
|
|
int si_fails; /* Allocate failures */
|
|
};
|
|
|
|
struct sp_chunk {
|
|
struct sp_chunk *sc_next; /* Next chunk in pool */
|
|
struct sp_info *sc_info; /* Storage pool info */
|
|
u_int sc_magic; /* Chunk magic number */
|
|
int sc_used; /* Allocated blocks in chunk */
|
|
struct sp_link *sc_freeh; /* Head of free blocks in chunk */
|
|
struct sp_link *sc_freet; /* Tail of free blocks in chunk */
|
|
};
|
|
|
|
struct sp_link {
|
|
union {
|
|
struct sp_link *slu_next; /* Next block in free list */
|
|
struct sp_chunk *slu_chunk; /* Link back to our chunk */
|
|
} sl_u;
|
|
};
|
|
|
|
#define SPOOL_MAGIC 0x73d4b69c /* Storage pool magic number */
|
|
#define SPOOL_MIN_CHUNK 2 /* Minimum number of chunks */
|
|
#define SPOOL_ROUNDUP 16 /* Roundup for allocated chunks */
|
|
#define SPOOL_COMPACT (300 * ATM_HZ) /* Compaction timeout value */
|
|
|
|
/*
|
|
* Debugging
|
|
*/
|
|
#ifdef DIAGNOSTIC
|
|
#define ATM_TIME \
|
|
struct timeval now, delta; \
|
|
KT_TIME(now); \
|
|
delta.tv_sec = now.tv_sec - atm_debugtime.tv_sec; \
|
|
delta.tv_usec = now.tv_usec - atm_debugtime.tv_usec; \
|
|
atm_debugtime = now; \
|
|
if (delta.tv_usec < 0) { \
|
|
delta.tv_sec--; \
|
|
delta.tv_usec += 1000000; \
|
|
} \
|
|
printf("%3d.%6d: ", delta.tv_sec, delta.tv_usec);
|
|
|
|
#define ATM_DEBUG0(f) if (atm_debug) {ATM_TIME; printf(f);}
|
|
#define ATM_DEBUGN0(f) if (atm_debug) {printf(f);}
|
|
#define ATM_DEBUG1(f,a1) if (atm_debug) {ATM_TIME; printf(f, a1);}
|
|
#define ATM_DEBUGN1(f,a1) if (atm_debug) {printf(f, a1);}
|
|
#define ATM_DEBUG2(f,a1,a2) if (atm_debug) {ATM_TIME; printf(f, a1, a2);}
|
|
#define ATM_DEBUGN2(f,a1,a2) if (atm_debug) {printf(f, a1, a2);}
|
|
#define ATM_DEBUG3(f,a1,a2,a3) if (atm_debug) {ATM_TIME; printf(f, a1, a2, a3);}
|
|
#define ATM_DEBUGN3(f,a1,a2,a3) if (atm_debug) {printf(f, a1, a2, a3);}
|
|
#define ATM_DEBUG4(f,a1,a2,a3,a4) if (atm_debug) {ATM_TIME; printf(f, a1, a2, a3, a4);}
|
|
#define ATM_DEBUGN4(f,a1,a2,a3,a4) if (atm_debug) {printf(f, a1, a2, a3, a4);}
|
|
#define ATM_DEBUG5(f,a1,a2,a3,a4,a5) if (atm_debug) {ATM_TIME; printf(f, a1, a2, a3, a4, a5);}
|
|
#define ATM_DEBUGN5(f,a1,a2,a3,a4,a5) if (atm_debug) {printf(f, a1, a2, a3, a4, a5);}
|
|
#else
|
|
#define ATM_DEBUG0(f)
|
|
#define ATM_DEBUGN0(f)
|
|
#define ATM_DEBUG1(f,a1)
|
|
#define ATM_DEBUGN1(f,a1)
|
|
#define ATM_DEBUG2(f,a1,a2)
|
|
#define ATM_DEBUGN2(f,a1,a2)
|
|
#define ATM_DEBUG3(f,a1,a2,a3)
|
|
#define ATM_DEBUGN3(f,a1,a2,a3)
|
|
#define ATM_DEBUG4(f,a1,a2,a3,a4)
|
|
#define ATM_DEBUGN4(f,a1,a2,a3,a4)
|
|
#define ATM_DEBUG5(f,a1,a2,a3,a4,a5)
|
|
#define ATM_DEBUGN5(f,a1,a2,a3,a4,a5)
|
|
#endif
|
|
|
|
#endif /* ATM_KERNEL */
|
|
|
|
#endif /* _NETATM_ATM_SYS_H */
|