1/* $NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $ */
2
3/*-
4 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * Id: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas Exp
| 1/* $NetBSD: pdqvar.h,v 1.27 2000/05/03 19:17:54 thorpej Exp $ */
2
3/*-
4 * Copyright (c) 1995, 1996 Matt Thomas <matt@3am-software.com>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * Id: pdqvar.h,v 1.21 1997/03/21 21:16:04 thomas Exp
|
27 * $FreeBSD: head/sys/dev/pdq/pdq_freebsd.h 112948 2003-04-01 16:31:12Z gallatin $
| 27 * $FreeBSD: head/sys/dev/pdq/pdq_freebsd.h 121816 2003-10-31 18:32:15Z brooks $
|
28 *
29 */
30
31/*
32 * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
33 *
34 * Written by Matt Thomas
35 *
36 */
37
38#if defined(PDQ_HWSUPPORT)
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/kernel.h>
42#include <sys/lock.h>
43#include <sys/mutex.h>
44#include <sys/malloc.h>
45#include <sys/socket.h>
46#include <sys/sockio.h>
47
48#include <sys/module.h>
49#include <sys/bus.h>
50
51#include <machine/bus_memio.h>
52#include <machine/bus_pio.h>
53#include <machine/bus.h>
54#include <machine/resource.h>
55#include <sys/rman.h>
56
57#include <net/if.h>
58#include <net/if_arp.h>
59#include <net/if_dl.h>
60#include <net/if_media.h>
61#include <net/fddi.h>
62
63#include <net/bpf.h>
64
65#include <vm/vm.h> /* for vtophys */
66#include <vm/pmap.h> /* for vtophys */
67#include <machine/clock.h> /* for DELAY */
68
69#endif /* PDQ_HWSUPPORT */
70
71typedef struct _pdq_t pdq_t;
72typedef struct _pdq_csrs_t pdq_csrs_t;
73typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
74typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
75typedef unsigned int pdq_uint32_t;
76typedef unsigned short pdq_uint16_t;
77typedef unsigned char pdq_uint8_t;
78typedef enum _pdq_boolean_t pdq_boolean_t;
79typedef enum _pdq_type_t pdq_type_t;
80typedef enum _pdq_state_t pdq_state_t;
81typedef struct mbuf PDQ_OS_DATABUF_T;
82
83typedef bus_space_tag_t pdq_bus_t;
84typedef bus_space_handle_t pdq_bus_memaddr_t;
85typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
86
87extern devclass_t pdq_devclass;
88
89enum _pdq_type_t {
90 PDQ_DEFPA, /* PCI-bus */
91 PDQ_DEFEA, /* EISA-bus */
92 PDQ_DEFTA, /* TurboChannel */
93 PDQ_DEFAA, /* FutureBus+ */
94 PDQ_DEFQA /* Q-bus */
95};
96
97#define sc_ifmedia ifmedia
98#define sc_if arpcom.ac_if
99#define sc_bpf sc_if.if_bpf
100#define IFQ_DEQUEUE IF_DEQUEUE
101#define IFQ_IS_EMPTY(q) ((q)->ifq_len == 0)
102
103typedef struct _pdq_os_ctx_t {
104 struct arpcom arpcom;
105 struct ifmedia ifmedia;
106 device_t dev;
107 int debug;
108
109 pdq_t * sc_pdq;
110 int sc_flags;
111#define PDQIF_DOWNCALL 0x0001 /* active calling from if to pdq */
112
113 struct resource * io;
114 int io_rid;
115 int io_type;
116 bus_space_handle_t io_bsh;
117 bus_space_tag_t io_bst;
118
119 struct resource * mem;
120 int mem_rid;
121 int mem_type;
122 bus_space_handle_t mem_bsh;
123 bus_space_tag_t mem_bst;
124
125 struct resource * irq;
126 int irq_rid;
127 void * irq_ih;
128
129 struct mtx mtx;
130} pdq_softc_t;
131
132#define PDQ_LOCK(_sc) mtx_lock(&(_sc)->mtx)
133#define PDQ_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
134
135#define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET
136
137#define PDQ_OS_PAGESIZE PAGE_SIZE
138#define PDQ_OS_TX_TRANSMIT 5
139
140#define PDQ_OS_IORD_32(bt, bh, off) bus_space_read_4(bt, bh, off)
141#define PDQ_OS_IOWR_32(bt, bh, off, data) bus_space_write_4(bt, bh, off, data)
142#define PDQ_OS_IORD_8(bt, bh, off) bus_space_read_1(bt, bh, off)
143#define PDQ_OS_IOWR_8(bt, bh, off, data) bus_space_write_1(bt, bh, off, data)
144
145#define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
146#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
147#define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
148
149#define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b))
150
151#if defined(PDQ_OSSUPPORT)
152#define PDQ_OS_TX_TIMEOUT 5 /* seconds */
153
154#define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc)
155#define PDQ_BPF_MTAP(sc, m) BPF_MTAP(&(sc)->arpcom.ac_if, m)
156
157#endif /* PDQ_OSSUPPORT */
158
159#if defined(PDQ_HWSUPPORT)
160
| 28 *
29 */
30
31/*
32 * DEC PDQ FDDI Controller; PDQ O/S dependent definitions
33 *
34 * Written by Matt Thomas
35 *
36 */
37
38#if defined(PDQ_HWSUPPORT)
39#include <sys/param.h>
40#include <sys/systm.h>
41#include <sys/kernel.h>
42#include <sys/lock.h>
43#include <sys/mutex.h>
44#include <sys/malloc.h>
45#include <sys/socket.h>
46#include <sys/sockio.h>
47
48#include <sys/module.h>
49#include <sys/bus.h>
50
51#include <machine/bus_memio.h>
52#include <machine/bus_pio.h>
53#include <machine/bus.h>
54#include <machine/resource.h>
55#include <sys/rman.h>
56
57#include <net/if.h>
58#include <net/if_arp.h>
59#include <net/if_dl.h>
60#include <net/if_media.h>
61#include <net/fddi.h>
62
63#include <net/bpf.h>
64
65#include <vm/vm.h> /* for vtophys */
66#include <vm/pmap.h> /* for vtophys */
67#include <machine/clock.h> /* for DELAY */
68
69#endif /* PDQ_HWSUPPORT */
70
71typedef struct _pdq_t pdq_t;
72typedef struct _pdq_csrs_t pdq_csrs_t;
73typedef struct _pdq_pci_csrs_t pdq_pci_csrs_t;
74typedef struct _pdq_lanaddr_t pdq_lanaddr_t;
75typedef unsigned int pdq_uint32_t;
76typedef unsigned short pdq_uint16_t;
77typedef unsigned char pdq_uint8_t;
78typedef enum _pdq_boolean_t pdq_boolean_t;
79typedef enum _pdq_type_t pdq_type_t;
80typedef enum _pdq_state_t pdq_state_t;
81typedef struct mbuf PDQ_OS_DATABUF_T;
82
83typedef bus_space_tag_t pdq_bus_t;
84typedef bus_space_handle_t pdq_bus_memaddr_t;
85typedef pdq_bus_memaddr_t pdq_bus_memoffset_t;
86
87extern devclass_t pdq_devclass;
88
89enum _pdq_type_t {
90 PDQ_DEFPA, /* PCI-bus */
91 PDQ_DEFEA, /* EISA-bus */
92 PDQ_DEFTA, /* TurboChannel */
93 PDQ_DEFAA, /* FutureBus+ */
94 PDQ_DEFQA /* Q-bus */
95};
96
97#define sc_ifmedia ifmedia
98#define sc_if arpcom.ac_if
99#define sc_bpf sc_if.if_bpf
100#define IFQ_DEQUEUE IF_DEQUEUE
101#define IFQ_IS_EMPTY(q) ((q)->ifq_len == 0)
102
103typedef struct _pdq_os_ctx_t {
104 struct arpcom arpcom;
105 struct ifmedia ifmedia;
106 device_t dev;
107 int debug;
108
109 pdq_t * sc_pdq;
110 int sc_flags;
111#define PDQIF_DOWNCALL 0x0001 /* active calling from if to pdq */
112
113 struct resource * io;
114 int io_rid;
115 int io_type;
116 bus_space_handle_t io_bsh;
117 bus_space_tag_t io_bst;
118
119 struct resource * mem;
120 int mem_rid;
121 int mem_type;
122 bus_space_handle_t mem_bsh;
123 bus_space_tag_t mem_bst;
124
125 struct resource * irq;
126 int irq_rid;
127 void * irq_ih;
128
129 struct mtx mtx;
130} pdq_softc_t;
131
132#define PDQ_LOCK(_sc) mtx_lock(&(_sc)->mtx)
133#define PDQ_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
134
135#define PDQ_OS_HDR_OFFSET PDQ_RX_FC_OFFSET
136
137#define PDQ_OS_PAGESIZE PAGE_SIZE
138#define PDQ_OS_TX_TRANSMIT 5
139
140#define PDQ_OS_IORD_32(bt, bh, off) bus_space_read_4(bt, bh, off)
141#define PDQ_OS_IOWR_32(bt, bh, off, data) bus_space_write_4(bt, bh, off, data)
142#define PDQ_OS_IORD_8(bt, bh, off) bus_space_read_1(bt, bh, off)
143#define PDQ_OS_IOWR_8(bt, bh, off, data) bus_space_write_1(bt, bh, off, data)
144
145#define PDQ_CSR_OFFSET(base, offset) (0 + (offset)*sizeof(pdq_uint32_t))
146#define PDQ_CSR_WRITE(csr, name, data) PDQ_OS_IOWR_32((csr)->csr_bus, (csr)->csr_base, (csr)->name, data)
147#define PDQ_CSR_READ(csr, name) PDQ_OS_IORD_32((csr)->csr_bus, (csr)->csr_base, (csr)->name)
148
149#define PDQ_OS_DATABUF_FREE(pdq, b) (m_freem(b))
150
151#if defined(PDQ_OSSUPPORT)
152#define PDQ_OS_TX_TIMEOUT 5 /* seconds */
153
154#define PDQ_OS_IFP_TO_SOFTC(ifp) ((pdq_softc_t *) (ifp)->if_softc)
155#define PDQ_BPF_MTAP(sc, m) BPF_MTAP(&(sc)->arpcom.ac_if, m)
156
157#endif /* PDQ_OSSUPPORT */
158
159#if defined(PDQ_HWSUPPORT)
160
|
161#define PDQ_OS_PREFIX "%s%d: "
162#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name, pdq->pdq_unit
| 161#define PDQ_OS_PREFIX "%s: "
162#define PDQ_OS_PREFIX_ARGS pdq->pdq_os_name
|
163
164#define PDQ_OS_PTR_FMT "%p"
165#define PDQ_OS_CSR_FMT "0x%x"
166
167#define PDQ_OS_USEC_DELAY(n) DELAY(n)
168#ifdef __alpha__
169#define PDQ_OS_VA_TO_BUSPA(pdq, p) alpha_XXX_dmamap((vm_offset_t)p)
170#else
171#define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p)
172#endif
173
174#define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
175#define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
176#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
177#define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0x800000, ~0, PAGE_SIZE, 0)
178#define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree(p, n, M_DEVBUF)
179
180#define PDQ_OS_DATABUF_SIZE (MCLBYTES)
181#define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
182#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
183#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
184#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
185#define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
186#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
187/* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
188#define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
189#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
190
191#define PDQ_OS_DATABUF_ALLOC(pdq, b) do { \
192 PDQ_OS_DATABUF_T *x_m0; \
193 MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
194 if (x_m0 != NULL) { \
195 MCLGET(x_m0, M_DONTWAIT); \
196 if ((x_m0->m_flags & M_EXT) == 0) { \
197 m_free(x_m0); \
198 (b) = NULL; \
199 } else { \
200 (b) = x_m0; \
201 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
202 } \
203 } else { \
204 (b) = NULL; \
205 } \
206} while (0)
207
208#define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
209
210#define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
211 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
212 if ((q)->q_tail == NULL) \
213 (q)->q_head = (b); \
214 else \
215 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
216 (q)->q_tail = (b); \
217} while (0)
218
219#define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
220 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
221 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
222 (q)->q_tail = NULL; \
223 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
224 } \
225} while (0)
226
227#define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b))
228
229#define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0)
230#define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0)
231#define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0)
232#define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0)
233#define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0)
234#define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0)
235#define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0)
236#define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0)
237#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0)
238#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0)
239#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0)
240#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0)
241
242#endif /* PDQ_HWSUPPORT */
243
244/*
245 * OS dependent functions provided by pdq_ifsubr.c to pdq.c
246 */
247void pdq_os_addr_fill (pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
248void pdq_os_receive_pdu (pdq_t *, PDQ_OS_DATABUF_T *, size_t, int);
249void pdq_os_restart_transmitter (pdq_t *pdq);
250void pdq_os_transmit_done (pdq_t *, PDQ_OS_DATABUF_T *);
251void pdq_os_update_status (pdq_t *, const void *);
252
253/*
254 * Driver interfaces functions provided by pdq.c to pdq_ifsubr.c
255 */
256pdq_boolean_t pdq_queue_transmit_data (pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
257void pdq_run (pdq_t *pdq);
258pdq_state_t pdq_stop (pdq_t *pdq);
259
260/*
261 * OS dependent functions provided by
262 * pdq_ifsubr.c or pdq.c to the bus front ends
263 */
264void pdq_ifattach (pdq_softc_t *);
265void pdq_ifdetach (pdq_softc_t *);
266void pdq_free (device_t);
267int pdq_interrupt (pdq_t *pdq);
268void pdq_hwreset (pdq_t *pdq);
269pdq_t * pdq_initialize (pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
270 const char *name, int unit,
271 void *ctx, pdq_type_t type);
272/*
273 * Misc prototypes.
274 */
275void pdq_flush_transmitter(pdq_t *pdq);
| 163
164#define PDQ_OS_PTR_FMT "%p"
165#define PDQ_OS_CSR_FMT "0x%x"
166
167#define PDQ_OS_USEC_DELAY(n) DELAY(n)
168#ifdef __alpha__
169#define PDQ_OS_VA_TO_BUSPA(pdq, p) alpha_XXX_dmamap((vm_offset_t)p)
170#else
171#define PDQ_OS_VA_TO_BUSPA(pdq, p) vtophys(p)
172#endif
173
174#define PDQ_OS_MEMALLOC(n) malloc(n, M_DEVBUF, M_NOWAIT)
175#define PDQ_OS_MEMFREE(p, n) free((void *) p, M_DEVBUF)
176#define PDQ_OS_MEMZERO(p, n) bzero((caddr_t)(p), (n))
177#define PDQ_OS_MEMALLOC_CONTIG(n) contigmalloc(n, M_DEVBUF, M_NOWAIT, 0x800000, ~0, PAGE_SIZE, 0)
178#define PDQ_OS_MEMFREE_CONTIG(p, n) contigfree(p, n, M_DEVBUF)
179
180#define PDQ_OS_DATABUF_SIZE (MCLBYTES)
181#define PDQ_OS_DATABUF_NEXT(b) ((b)->m_next)
182#define PDQ_OS_DATABUF_NEXT_SET(b, b1) ((b)->m_next = (b1))
183#define PDQ_OS_DATABUF_NEXTPKT(b) ((b)->m_nextpkt)
184#define PDQ_OS_DATABUF_NEXTPKT_SET(b, b1) ((b)->m_nextpkt = (b1))
185#define PDQ_OS_DATABUF_LEN(b) ((b)->m_len)
186#define PDQ_OS_DATABUF_LEN_SET(b, n) ((b)->m_len = (n))
187/* #define PDQ_OS_DATABUF_LEN_ADJ(b, n) ((b)->m_len += (n)) */
188#define PDQ_OS_DATABUF_PTR(b) (mtod((b), pdq_uint8_t *))
189#define PDQ_OS_DATABUF_ADJ(b, n) ((b)->m_data += (n), (b)->m_len -= (n))
190
191#define PDQ_OS_DATABUF_ALLOC(pdq, b) do { \
192 PDQ_OS_DATABUF_T *x_m0; \
193 MGETHDR(x_m0, M_DONTWAIT, MT_DATA); \
194 if (x_m0 != NULL) { \
195 MCLGET(x_m0, M_DONTWAIT); \
196 if ((x_m0->m_flags & M_EXT) == 0) { \
197 m_free(x_m0); \
198 (b) = NULL; \
199 } else { \
200 (b) = x_m0; \
201 x_m0->m_len = PDQ_OS_DATABUF_SIZE; \
202 } \
203 } else { \
204 (b) = NULL; \
205 } \
206} while (0)
207
208#define PDQ_OS_DATABUF_RESET(b) ((b)->m_data = (b)->m_ext.ext_buf, (b)->m_len = MCLBYTES)
209
210#define PDQ_OS_DATABUF_ENQUEUE(q, b) do { \
211 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
212 if ((q)->q_tail == NULL) \
213 (q)->q_head = (b); \
214 else \
215 PDQ_OS_DATABUF_NEXTPKT_SET(((PDQ_OS_DATABUF_T *)(q)->q_tail), b); \
216 (q)->q_tail = (b); \
217} while (0)
218
219#define PDQ_OS_DATABUF_DEQUEUE(q, b) do { \
220 if (((b) = (PDQ_OS_DATABUF_T *) (q)->q_head) != NULL) { \
221 if (((q)->q_head = PDQ_OS_DATABUF_NEXTPKT(b)) == NULL) \
222 (q)->q_tail = NULL; \
223 PDQ_OS_DATABUF_NEXTPKT_SET(b, NULL); \
224 } \
225} while (0)
226
227#define PDQ_OS_DATABUF_BUSPA(pdq, b) PDQ_OS_VA_TO_BUSPA(pdq, PDQ_OS_DATABUF_PTR(b))
228
229#define PDQ_OS_CONSUMER_PRESYNC(pdq) do { } while(0)
230#define PDQ_OS_CONSUMER_POSTSYNC(pdq) do { } while(0)
231#define PDQ_OS_DESC_PRESYNC(pdq, d, s) do { } while(0)
232#define PDQ_OS_DESC_POSTSYNC(pdq, d, s) do { } while(0)
233#define PDQ_OS_CMDRQST_PRESYNC(pdq, s) do { } while(0)
234#define PDQ_OS_CMDRQST_POSTSYNC(pdq, s) do { } while(0)
235#define PDQ_OS_CMDRSP_PRESYNC(pdq, s) do { } while(0)
236#define PDQ_OS_CMDRSP_POSTSYNC(pdq, s) do { } while(0)
237#define PDQ_OS_RXPDU_PRESYNC(pdq, b, o, l) do { } while(0)
238#define PDQ_OS_RXPDU_POSTSYNC(pdq, b, o, l) do { } while(0)
239#define PDQ_OS_UNSOL_EVENT_PRESYNC(pdq, e) do { } while(0)
240#define PDQ_OS_UNSOL_EVENT_POSTSYNC(pdq, e) do { } while(0)
241
242#endif /* PDQ_HWSUPPORT */
243
244/*
245 * OS dependent functions provided by pdq_ifsubr.c to pdq.c
246 */
247void pdq_os_addr_fill (pdq_t *pdq, pdq_lanaddr_t *addrs, size_t numaddrs);
248void pdq_os_receive_pdu (pdq_t *, PDQ_OS_DATABUF_T *, size_t, int);
249void pdq_os_restart_transmitter (pdq_t *pdq);
250void pdq_os_transmit_done (pdq_t *, PDQ_OS_DATABUF_T *);
251void pdq_os_update_status (pdq_t *, const void *);
252
253/*
254 * Driver interfaces functions provided by pdq.c to pdq_ifsubr.c
255 */
256pdq_boolean_t pdq_queue_transmit_data (pdq_t *pdq, PDQ_OS_DATABUF_T *pdu);
257void pdq_run (pdq_t *pdq);
258pdq_state_t pdq_stop (pdq_t *pdq);
259
260/*
261 * OS dependent functions provided by
262 * pdq_ifsubr.c or pdq.c to the bus front ends
263 */
264void pdq_ifattach (pdq_softc_t *);
265void pdq_ifdetach (pdq_softc_t *);
266void pdq_free (device_t);
267int pdq_interrupt (pdq_t *pdq);
268void pdq_hwreset (pdq_t *pdq);
269pdq_t * pdq_initialize (pdq_bus_t bus, pdq_bus_memaddr_t csr_va,
270 const char *name, int unit,
271 void *ctx, pdq_type_t type);
272/*
273 * Misc prototypes.
274 */
275void pdq_flush_transmitter(pdq_t *pdq);
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