xref: /titanic_41/usr/src/uts/intel/io/amd8111s/amd8111s_main.h (revision fcf3ce441efd61da9bb2884968af01cb7c1452cc)
1 /*
2  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
3  * Use is subject to license terms.
4  */
5 
6 #ifndef AMD8111S_MAIN_H
7 #define	AMD8111S_MAIN_H
8 
9 #pragma ident	"%Z%%M%	%I%	%E% SMI"
10 
11 /*
12  * Copyright (c) 2001-2006 Advanced Micro Devices, Inc.  All rights reserved.
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions are met:
16  *
17  * + Redistributions of source code must retain the above copyright notice,
18  * + this list of conditions and the following disclaimer.
19  *
20  * + Redistributions in binary form must reproduce the above copyright
21  * + notice, this list of conditions and the following disclaimer in the
22  * + documentation and/or other materials provided with the distribution.
23  *
24  * + Neither the name of Advanced Micro Devices, Inc. nor the names of its
25  * + contributors may be used to endorse or promote products derived from
26  * + this software without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
29  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
30  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
31  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
32  * DISCLAIMED. IN NO EVENT SHALL ADVANCED MICRO DEVICES, INC. OR
33  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
35  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
36  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
38  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
39  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
40  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41  *
42  * Import/Export/Re-Export/Use/Release/Transfer Restrictions and
43  * Compliance with Applicable Laws.  Notice is hereby given that
44  * the software may be subject to restrictions on use, release,
45  * transfer, importation, exportation and/or re-exportation under
46  * the laws and regulations of the United States or other
47  * countries ("Applicable Laws"), which include but are not
48  * limited to U.S. export control laws such as the Export
49  * Administration Regulations and national security controls as
50  * defined thereunder, as well as State Department controls under
51  * the U.S. Munitions List.  Permission to use and/or
52  * redistribute the software is conditioned upon compliance with
53  * all Applicable Laws, including U.S. export control laws
54  * regarding specifically designated persons, countries and
55  * nationals of countries subject to national security controls.
56  */
57 
58 
59 #pragma ident "@(#)$RCSfile: odl.h,v $ $Revision: 1.1 $  " \
60 "$Date: 2004/04/22 15:22:52 $ AMD"
61 
62 #include <sys/types.h>
63 #include <sys/errno.h>
64 #include <sys/kmem.h>
65 #include <sys/conf.h>
66 #include <sys/stat.h>
67 #include <sys/note.h>
68 #include <sys/modctl.h>
69 
70 #include <sys/stream.h>
71 #include <sys/strsubr.h>
72 #include <sys/strsun.h>
73 
74 #include <sys/dditypes.h>
75 #include <sys/ddi.h>
76 #include <sys/sunddi.h>
77 
78 #include <sys/pci.h>
79 
80 #include <sys/ethernet.h>
81 #include <sys/dlpi.h>
82 #include <sys/mac.h>
83 #include <sys/mac_ether.h>
84 #include <sys/netlb.h>
85 #include "amd8111s_hw.h"
86 
87 #define	MEM_REQ_MAX		100
88 #define	MEMSET			4
89 
90 #define	IOC_LINESIZE	40
91 
92 /*
93  * Loopback definitions
94  */
95 #define	AMD8111S_LB_NONE			0
96 #define	AMD8111S_LB_EXTERNAL_1000		1
97 #define	AMD8111S_LB_EXTERNAL_100		2
98 #define	AMD8111S_LB_EXTERNAL_10			3
99 #define	AMD8111S_LB_INTERNAL_PHY		4
100 #define	AMD8111S_LB_INTERNAL_MAC		5
101 
102 /* ((2 ^ (32 - 1)) * 8) / (10 ^ 8) >= 100 */
103 #define	AMD8111S_DUMP_MIB_SECONDS_THRESHOLD	100
104 #define	AMD8111S_DUMP_MIB_BYTES_THRESHOLD	0x80000000
105 
106 /* Bit flags for 'attach_progress' */
107 #define	AMD8111S_ATTACH_PCI		0x0001	/* pci_config_setup() */
108 #define	AMD8111S_ATTACH_RESOURCE	0x0002	/* odlInit() */
109 #define	AMD8111S_ATTACH_REGS		0x0004	/* ddi_regs_map_setup() */
110 #define	AMD8111S_ATTACH_INTRADDED	0x0010	/* intr_add() */
111 #define	AMD8111S_ATTACH_MACREGED	0x0020	/* mac_register() */
112 #define	AMD8111S_ATTACH_RESCHED		0x0040	/* soft_intr() */
113 
114 #define	AMD8111S_TRY_SEND		0x0001
115 #define	AMD8111S_SEND_READY		0x0002
116 
117 #define	NEXT(buf, ptr) \
118 	(buf.ptr + 1 >= buf.msg_buf + \
119 	buf.ring_size ? \
120 	buf.msg_buf : \
121 	buf.ptr + 1)
122 /*
123  * (Internal) return values from ioctl subroutines
124  */
125 enum ioc_reply {
126 	IOC_INVAL = -1,				/* bad, NAK with EINVAL	*/
127 	IOC_DONE,				/* OK, reply sent	*/
128 	IOC_ACK,				/* OK, just send ACK	*/
129 	IOC_REPLY,				/* OK, just send reply	*/
130 	IOC_RESTART_ACK,			/* OK, restart & ACK	*/
131 	IOC_RESTART_REPLY			/* OK, restart & reply	*/
132 };
133 
134 typedef int (*TIMERfUNC) (struct LayerPointers *);
135 
136 struct TimerStructure {
137 	int Type;
138 	int Period;	/* in milliseconds */
139 	timeout_id_t TimerHandle;
140 	int (*TimerFunptr)(struct LayerPointers *);
141 	struct LayerPointers *pLayerPointers;
142 };
143 
144 struct amd8111s_statistics
145 {
146 	uint64_t intr_TINT0;	/* # of TINT0 (Tx interrupts) */
147 	uint64_t intr_RINT0;	/* # of RINT0 (Rx interrupts) */
148 	uint64_t intr_STINT;	/* # of STINT (Software Timer Intr) */
149 	uint64_t intr_OTHER;	/* Intr caused by other device */
150 
151 	uint64_t tx_ok_packets;
152 	uint64_t tx_no_descriptor;
153 	uint64_t tx_no_buffer;
154 	uint64_t tx_rescheduled;
155 	uint64_t tx_unrescheduled;
156 
157 	/* # of call amd8111s_dump_mib function */
158 	uint64_t mib_dump_counter;
159 
160 	/*
161 	 * From MIB registers (TX)
162 	 */
163 	uint64_t tx_mib_packets;		/* # of packets */
164 	uint64_t tx_mib_multicst_packets;	/* # of multicast packets */
165 	uint64_t tx_mib_broadcst_packets;	/* # of broadcast packets */
166 	uint64_t tx_mib_flowctrl_packets;	/* # of flow ctrl packets */
167 
168 	uint64_t tx_mib_bytes;			/* # of all Tx bytes */
169 
170 	/* Packet drop due to Tx FIFO underrun */
171 	uint64_t tx_mib_underrun_packets;
172 	uint64_t tx_mib_collision_packets;
173 	/* Packets successfully transmitted after experiencing one collision */
174 	uint64_t tx_mib_one_coll_packets;
175 	uint64_t tx_mib_multi_coll_packets;
176 	/* # of late collisions that occur */
177 	uint64_t tx_mib_late_coll_packets;
178 	uint64_t tx_mib_ex_coll_packets;	/* excessive collision */
179 	uint64_t tx_mib_oversize_packets;
180 	uint64_t tx_mib_defer_trans_packets;	/* defer transmit */
181 
182 
183 	/*
184 	 * Some error counter after "ifconfig amd8111sX unplumb"
185 	 */
186 	/*
187 	 * Count Tx mp number from GLD even after NIC has been unplumbed.
188 	 * This value should always be 0.
189 	 */
190 	uint64_t tx_afterunplumb;
191 	/*
192 	 * We drain all pending tx packets during unplumb operation. This
193 	 * variable is to count the drain time.
194 	 *	30 means success; =30 means fail
195 	 */
196 	uint64_t tx_draintime;
197 
198 	uint64_t rx_ok_packets;		/* # of all good packets */
199 	uint64_t rx_allocfail;		/* alloc memory fail during Rx */
200 	uint64_t rx_error_zerosize;
201 
202 	uint64_t rx_0_packets;
203 	uint64_t rx_1_15_packets;
204 	uint64_t rx_16_31_packets;
205 	uint64_t rx_32_47_packets;
206 	uint64_t rx_48_63_packets;
207 	uint64_t rx_double_overflow;
208 
209 	uint64_t rx_desc_err;
210 	uint64_t rx_desc_err_FRAM;	/* Framing error */
211 	uint64_t rx_desc_err_OFLO;	/* Overflow error */
212 	uint64_t rx_desc_err_CRC;	/* CRC error */
213 	uint64_t rx_desc_err_BUFF;	/* BCRC error */
214 
215 	/*
216 	 * From MIB registers (RX)
217 	 */
218 	uint64_t rx_mib_unicst_packets;		/* # of unicast packets */
219 	uint64_t rx_mib_multicst_packets;	/* # of multicast packets */
220 	uint64_t rx_mib_broadcst_packets;	/* # of broadcast packets */
221 	uint64_t rx_mib_macctrl_packets;	/* # of mac ctrl packets */
222 	uint64_t rx_mib_flowctrl_packets;	/* # of flow ctrl packets */
223 
224 	uint64_t rx_mib_bytes;			/* # of all Rx bytes */
225 	uint64_t rx_mib_good_bytes;			/* # of all Rx bytes */
226 	/*
227 	 * The total number of valid frames received that are less than 64
228 	 * bytes long (include the FCS).
229 	 */
230 	uint64_t rx_mib_undersize_packets;
231 	/*
232 	 * The total number of valid frames received that are greater than the
233 	 * maximum valid frame size (include the FCS).
234 	 */
235 	uint64_t rx_mib_oversize_packets;
236 
237 	uint64_t rx_mib_align_err_packets;
238 	uint64_t rx_mib_fcs_err_packets;	/* has a bad FCS */
239 	/* Invalid data symbol (RX_ER) */
240 	uint64_t rx_mib_symbol_err_packets;
241 	/* Packets that were dropped because no descriptor was available */
242 	uint64_t rx_mib_drop_packets;
243 	/*
244 	 * Packets that were dropped due to lack of resources. This includes
245 	 * the number of times a packet was dropped due to receive FIFO
246 	 * overflow and lack of receive descriptor.
247 	 */
248 	uint64_t rx_mib_miss_packets;
249 };
250 
251 struct amd8111s_msgbuf {
252 	uint64_t phy_addr;
253 	caddr_t vir_addr;
254 	uint32_t msg_size;
255 	ddi_dma_handle_t p_hdl;
256 	uint32_t offset;
257 };
258 
259 struct amd8111s_dma_ringbuf {
260 	ddi_dma_handle_t *dma_hdl;
261 	ddi_acc_handle_t *acc_hdl;
262 	ddi_dma_cookie_t *dma_cookie;
263 	caddr_t		 *trunk_addr;
264 	uint32_t buf_sz;
265 	uint32_t trunk_sz;
266 	uint32_t trunk_num;
267 	struct amd8111s_msgbuf	*msg_buf;
268 	uint32_t ring_size;
269 	uint32_t dma_buf_sz;
270 	struct amd8111s_msgbuf *free;
271 	struct amd8111s_msgbuf *next;
272 	struct amd8111s_msgbuf *curr;
273 
274 	kmutex_t ring_lock;
275 };
276 
277 struct odl {
278 	dev_info_t *devinfo;
279 
280 	mac_handle_t mh;		/* mac module handle */
281 	mac_resource_handle_t mrh;
282 
283 	struct amd8111s_statistics statistics;
284 
285 	/* Locks */
286 	kmutex_t mdlSendLock;
287 	kmutex_t mdlRcvLock;
288 	kmutex_t timer_lock;
289 	kmutex_t send_cv_lock;
290 	kcondvar_t send_cv;
291 
292 	ddi_softintr_t drain_id;
293 	/*
294 	 * The chip_lock assures that the Rx/Tx process must be stopped while
295 	 * other functions change the hardware configuration, such as attach()
296 	 * detach() etc are executed.
297 	 */
298 	krwlock_t chip_lock;
299 
300 	/*
301 	 * HW operators and parameters on attach period
302 	 */
303 	ddi_iblock_cookie_t iblock;	/* HW: interrupt block cookie */
304 	ddi_acc_handle_t MemBasehandle;
305 
306 	/* For pci configuration */
307 	ddi_acc_handle_t pci_handle;	/* HW: access handle of PCI space */
308 	uint16_t vendor_id;
309 	uint16_t device_id;
310 
311 	/*
312 	 * FreeQ: Transfer Rx Buffer parameters from top layer to low layers.
313 	 * Format of parameter:
314 	 *	(struct RxBufInfo *, physical address)
315 	 */
316 	unsigned long FreeQ[2 * RX_RING_SIZE];
317 	unsigned long *FreeQStart;
318 	unsigned long *FreeQEnd;
319 	long *FreeQWrite;
320 	long *FreeQRead;
321 
322 	/* For Rx descriptors */
323 	ddi_dma_handle_t rx_desc_dma_handle;
324 	ddi_acc_handle_t rx_desc_acc_handle;
325 	ddi_dma_cookie_t rx_desc_dma_cookie;
326 
327 	/* For Tx descriptors */
328 	ddi_dma_handle_t tx_desc_dma_handle;
329 	ddi_acc_handle_t tx_desc_acc_handle;
330 	ddi_dma_cookie_t tx_desc_dma_cookie;
331 
332 	/* For Tx buffers */
333 	struct amd8111s_dma_ringbuf tx_buf;
334 
335 	/* For Rx buffers */
336 	struct amd8111s_dma_ringbuf rx_buf;
337 
338 	ether_addr_t MacAddress;	/* Mac address */
339 
340 	/* Multicast addresses table */
341 	UCHAR MulticastAddresses
342 	    [MAX_MULTICAST_ADDRESSES][ETH_LENGTH_OF_ADDRESS];
343 
344 	link_state_t LinkStatus;
345 
346 	/* Timer */
347 	timeout_id_t Timer_id;
348 	int (*TimerFunc)(struct LayerPointers *);
349 	int timer_run;
350 	int timer_linkdown;
351 
352 	unsigned int dump_mib_seconds;
353 
354 	uint32_t loopback_mode;
355 	unsigned int rx_fcs_stripped;
356 
357 	unsigned int rx_overflow_counter;
358 	unsigned int pause_interval;
359 
360 };
361 
362 #endif	/* AMD8111S_MAIN_H */
363