1 |
/* |
2 |
* Cisco router simulation platform. |
3 |
* Copyright (c) 2006 Christophe Fillot (cf@utc.fr) |
4 |
* |
5 |
* NM-16ESW ethernet switch module (experimental!) |
6 |
* |
7 |
* It's an attempt of proof of concept, so not optimized at all at this time. |
8 |
* Only L2 switching will be managed (no L3 at all). |
9 |
* |
10 |
* To do next: QoS features (CoS/DSCP handling). |
11 |
*/ |
12 |
|
13 |
#include <stdio.h> |
14 |
#include <stdlib.h> |
15 |
#include <string.h> |
16 |
#include <stdarg.h> |
17 |
#include <unistd.h> |
18 |
#include <time.h> |
19 |
#include <errno.h> |
20 |
#include <assert.h> |
21 |
|
22 |
#include "utils.h" |
23 |
#include "timer.h" |
24 |
#include "net.h" |
25 |
#include "net_io.h" |
26 |
#include "ptask.h" |
27 |
#include "dev_nm_16esw.h" |
28 |
|
29 |
/* Debugging flags */ |
30 |
#define DEBUG_ACCESS 0 |
31 |
#define DEBUG_UNKNOWN 0 |
32 |
#define DEBUG_MII 0 |
33 |
#define DEBUG_MEM 0 |
34 |
#define DEBUG_REG 0 |
35 |
#define DEBUG_TRANSMIT 0 |
36 |
#define DEBUG_RECEIVE 0 |
37 |
#define DEBUG_FORWARD 0 |
38 |
#define DEBUG_MIRROR 0 |
39 |
#define DEBUG_ARL 0 |
40 |
|
41 |
/* Invalid VLAN value */ |
42 |
#define VLAN_INVALID 0xFFF |
43 |
|
44 |
/* Maximum packet size */ |
45 |
#define BCM5600_MAX_PKT_SIZE 2048 |
46 |
|
47 |
/* PCI vendor/product codes */ |
48 |
#define BCM5605_PCI_VENDOR_ID 0x14e4 |
49 |
#define BCM5605_PCI_PRODUCT_ID 0x5605 |
50 |
|
51 |
/* "S-channel" commands */ |
52 |
#define BCM5600_SCHAN_CMD_LINKSCAN 0x13 |
53 |
#define BCM5600_SCHAN_CMD_EXEC 0x80 |
54 |
#define BCM5600_SCHAN_CMD_READ_MII 0x90 |
55 |
#define BCM5600_SCHAN_CMD_WRITE_MII 0x91 |
56 |
|
57 |
/* Opcodes */ |
58 |
#define BCM5600_OP_BP_WARN_STATUS 0x01 |
59 |
#define BCM5600_OP_BP_DISCARD_STATUS 0x02 |
60 |
#define BCM5600_OP_COS_QSTAT_NOTIFY 0x03 |
61 |
#define BCM5600_OP_HOL_STAT_NOTIFY 0x04 |
62 |
#define BCM5600_OP_GBP_FULL_NOTIFY 0x05 |
63 |
#define BCM5600_OP_GBP_AVAIL_NOTIFY 0x06 |
64 |
#define BCM5600_OP_READ_MEM_CMD 0x07 |
65 |
#define BCM5600_OP_READ_MEM_ACK 0x08 |
66 |
#define BCM5600_OP_WRITE_MEM_CMD 0x09 |
67 |
#define BCM5600_OP_WRITE_MEM_ACK 0x0A |
68 |
#define BCM5600_OP_READ_REG_CMD 0x0B |
69 |
#define BCM5600_OP_READ_REG_ACK 0x0C |
70 |
#define BCM5600_OP_WRITE_REG_CMD 0x0D |
71 |
#define BCM5600_OP_WRITE_REG_ACK 0x0E |
72 |
#define BCM5600_OP_ARL_INSERT_CMD 0x0F |
73 |
#define BCM5600_OP_ARL_INSERT_DONE 0x10 |
74 |
#define BCM5600_OP_ARL_DELETE_CMD 0x11 |
75 |
#define BCM5600_OP_ARL_DELETE_DONE 0x12 |
76 |
#define BCM5600_OP_LINKSTAT_NOTIFY 0x13 |
77 |
#define BCM5600_OP_MEM_FAIL_NOTIFY 0x14 |
78 |
#define BCM5600_OP_INIT_CFAP 0x15 |
79 |
#define BCM5600_OP_INIT_SFAP 0x16 |
80 |
#define BCM5600_OP_ENTER_DEBUG_MODE 0x17 |
81 |
#define BCM5600_OP_EXIT_DEBUG_MODE 0x18 |
82 |
#define BCM5600_OP_ARL_LOOKUP_CMD 0x19 |
83 |
|
84 |
/* Command details */ |
85 |
#define BCM5600_CMD_OP_MASK 0xFC000000 |
86 |
#define BCM5600_CMD_OP_SHIFT 26 |
87 |
#define BCM5600_CMD_DST_MASK 0x03F00000 |
88 |
#define BCM5600_CMD_DST_SHIFT 20 |
89 |
#define BCM5600_CMD_SRC_MASK 0x000FC000 |
90 |
#define BCM5600_CMD_SRC_SHIFT 14 |
91 |
#define BCM5600_CMD_LEN_MASK 0x00003F80 |
92 |
#define BCM5600_CMD_LEN_SHIFT 7 |
93 |
#define BCM5600_CMD_EBIT_MASK 0x00000040 |
94 |
#define BCM5600_CMD_EBIT_SHIFT 6 |
95 |
#define BCM5600_CMD_ECODE_MASK 0x00000030 |
96 |
#define BCM5600_CMD_ECODE_SHIFT 4 |
97 |
#define BCM5600_CMD_COS_MASK 0x0000000E |
98 |
#define BCM5600_CMD_COS_SHIFT 1 |
99 |
#define BCM5600_CMD_CPU_MASK 0x00000001 |
100 |
#define BCM5600_CMD_CPU_SHIFT 0 |
101 |
|
102 |
/* Memory zones */ |
103 |
#define BCM5600_ADDR_ARLCNT0 0x01000000 |
104 |
#define BCM5600_ADDR_ARLCNT1 0x01100000 |
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#define BCM5600_ADDR_ARLCNT2 0x01200000 |
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#define BCM5600_ADDR_ARL0 0x02000000 |
107 |
#define BCM5600_ADDR_ARL1 0x02100000 |
108 |
#define BCM5600_ADDR_ARL2 0x02200000 |
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#define BCM5600_ADDR_PTABLE0 0x03000000 |
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#define BCM5600_ADDR_PTABLE1 0x03100000 |
111 |
#define BCM5600_ADDR_PTABLE2 0x03200000 |
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#define BCM5600_ADDR_VTABLE0 0x05000000 |
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#define BCM5600_ADDR_VTABLE1 0x05100000 |
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#define BCM5600_ADDR_VTABLE2 0x05200000 |
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#define BCM5600_ADDR_TTR0 0x06000000 |
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#define BCM5600_ADDR_TBMAP0 0x06010000 |
117 |
#define BCM5600_ADDR_TTR1 0x06100000 |
118 |
#define BCM5600_ADDR_TBMAP1 0x06110000 |
119 |
#define BCM5600_ADDR_TTR2 0x06200000 |
120 |
#define BCM5600_ADDR_TBMAP2 0x06210000 |
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#define BCM5600_ADDR_IMASK0 0x07000000 |
122 |
#define BCM5600_ADDR_IRULE0 0x07020000 |
123 |
#define BCM5600_ADDR_IMASK1 0x07100000 |
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#define BCM5600_ADDR_IRULE1 0x07120000 |
125 |
#define BCM5600_ADDR_IMASK2 0x07200000 |
126 |
#define BCM5600_ADDR_IRULE2 0x07220000 |
127 |
#define BCM5600_ADDR_GIMASK 0x07300000 |
128 |
#define BCM5600_ADDR_GIRULE 0x07320000 |
129 |
#define BCM5600_ADDR_MARL0 0x08000000 |
130 |
#define BCM5600_ADDR_MARL1 0x08100000 |
131 |
#define BCM5600_ADDR_MARL2 0x08200000 |
132 |
#define BCM5600_ADDR_L3 0x09000000 |
133 |
#define BCM5600_ADDR_DEFIP 0x09010000 |
134 |
#define BCM5600_ADDR_L3INTF 0x09020000 |
135 |
#define BCM5600_ADDR_IPMC 0x09030000 |
136 |
#define BCM5600_ADDR_CBPHDR 0x0A600000 |
137 |
#define BCM5600_ADDR_CAB0 0x0A610000 |
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#define BCM5600_ADDR_CAB1 0x0A620000 |
139 |
#define BCM5600_ADDR_CAB2 0x0A630000 |
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#define BCM5600_ADDR_CAB3 0x0A640000 |
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#define BCM5600_ADDR_CCP 0x0A650000 |
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#define BCM5600_ADDR_PPP 0x0A660000 |
143 |
#define BCM5600_ADDR_CFAP 0x0A670000 |
144 |
#define BCM5600_ADDR_SFAP 0x0A680000 |
145 |
#define BCM5600_ADDR_CBPDATA0 0x0A6A0000 |
146 |
#define BCM5600_ADDR_CBPDATA1 0x0A6B0000 |
147 |
#define BCM5600_ADDR_CBPDATA2 0x0A6C0000 |
148 |
#define BCM5600_ADDR_CBPDATA3 0x0A6D0000 |
149 |
#define BCM5600_ADDR_PID 0x0A900000 |
150 |
#define BCM5600_ADDR_XQ_BASE 0x0B600000 |
151 |
#define BCM5600_ADDR_GBP 0x12000000 |
152 |
|
153 |
/* Number of "Data Words" */ |
154 |
#define BCM5600_DW_MAX 32 |
155 |
|
156 |
/* === VTABLE definitions === */ |
157 |
/* Word 0 */ |
158 |
#define BCM5600_VTABLE_VLAN_TAG_MASK 0x00000FFF |
159 |
|
160 |
/* Word 1: Port bitmap */ |
161 |
#define BCM5600_VTABLE_PORT_BMAP_MASK 0x1FFFFFFF |
162 |
|
163 |
/* Word 2: Untagged port bitmap */ |
164 |
#define BCM5600_VTABLE_UT_PORT_BMAP_MASK 0x1FFFFFFF |
165 |
|
166 |
/* Word 3: Module bitmap */ |
167 |
#define BCM5600_VTABLE_MOD_BMAP_MASK 0xFFFFFFFF |
168 |
|
169 |
/* === PTABLE definitions === */ |
170 |
/* Word 0 */ |
171 |
#define BCM5600_PTABLE_VLAN_TAG_MASK 0x00000FFF |
172 |
#define BCM5600_PTABLE_SP_ST_MASK 0x00003000 |
173 |
#define BCM5600_PTABLE_SP_ST_SHIFT 12 |
174 |
#define BCM5600_PTABLE_PRT_DIS_MASK 0x000FC000 |
175 |
#define BCM5600_PTABLE_PRT_DIS_SHIFT 14 |
176 |
#define BCM5600_PTABLE_JUMBO_FLAG 0x00100000 |
177 |
#define BCM5600_PTABLE_RTAG_MASK 0x00E00000 |
178 |
#define BCM5600_PTABLE_RTAG_SHIFT 21 |
179 |
#define BCM5600_PTABLE_TGID_MASK 0x07000000 |
180 |
#define BCM5600_PTABLE_TGID_SHIFT 24 |
181 |
#define BCM5600_PTABLE_TRUNK_FLAG 0x08000000 |
182 |
#define BCM5600_PTABLE_CPU_FLAG 0x10000000 |
183 |
#define BCM5600_PTABLE_PTYPE_MASK 0x60000000 |
184 |
#define BCM5600_PTABLE_PTYPE_SHIFT 29 |
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#define BCM5600_PTABLE_BPDU_FLAG 0x80000000 |
186 |
|
187 |
/* Word 1 */ |
188 |
#define BCM5600_PTABLE_PORT_BMAP_MASK 0x1FFFFFFF |
189 |
#define BCM5600_PTABLE_MI_FLAG 0x20000000 |
190 |
#define BCM5600_PTABLE_CML_MASK 0xC0000000 |
191 |
#define BCM5600_PTABLE_CML_SHIFT 30 |
192 |
|
193 |
/* Word 2 */ |
194 |
#define BCM5600_PTABLE_UT_PORT_BMAP_MASK 0x1FFFFFFF |
195 |
|
196 |
/* Word 4 */ |
197 |
#define BCM5600_PTABLE_DSCP_MASK 0x0000003F |
198 |
#define BCM5600_PTABLE_DSCP_SHIFT 0 |
199 |
#define BCM5600_PTABLE_DSE_MODE_MASK 0x000000C0 |
200 |
#define BCM5600_PTABLE_DSE_MODE_SHIFT 6 |
201 |
#define BCM5600_PTABLE_RPE_FLAG 0x00000100 |
202 |
#define BCM5600_PTABLE_PRI_MASK 0x00000E00 |
203 |
#define BCM5600_PTABLE_PRI_SHIFT 9 |
204 |
#define BCM5600_PTABLE_L3_DIS_FLAG 0x00001000 |
205 |
|
206 |
|
207 |
/* === ARL (Addess Resolution Logic) definitions === */ |
208 |
/* Word 0: MAC address LSB */ |
209 |
|
210 |
/* Word 1 */ |
211 |
#define BCM5600_ARL_MAC_MSB_MASK 0x0000FFFF |
212 |
#define BCM5600_ARL_VLAN_TAG_MASK 0x0FFF0000 |
213 |
#define BCM5600_ARL_VLAN_TAG_SHIFT 16 |
214 |
#define BCM5600_ARL_COS_DST_MASK 0x70000000 |
215 |
#define BCM5600_ARL_COS_DST_SHIFT 28 |
216 |
#define BCM5600_ARL_CPU_FLAG 0x80000000 |
217 |
|
218 |
/* Word 2 */ |
219 |
#define BCM5600_ARL_L3_FLAG 0x00000001 |
220 |
#define BCM5600_ARL_SD_DIS_MASK 0x00000006 |
221 |
#define BCM5600_ARL_SD_DIS_SHIFT 1 |
222 |
#define BCM5600_ARL_ST_FLAG 0x00000008 |
223 |
#define BCM5600_ARL_HIT_FLAG 0x00000010 |
224 |
#define BCM5600_ARL_COS_SRC_MASK 0x000000E0 |
225 |
#define BCM5600_ARL_COS_SRC_SHIFT 5 |
226 |
#define BCM5600_ARL_TRUNK_FLAG 0x00000100 |
227 |
#define BCM5600_ARL_TGID_MASK 0x00000E00 |
228 |
#define BCM5600_ARL_TGID_SHIFT 9 |
229 |
#define BCM5600_ARL_RTAG_MASK 0x00007000 |
230 |
#define BCM5600_ARL_RTAG_SHIFT 12 |
231 |
#define BCM5600_ARL_PORT_MASK 0x001F8000 |
232 |
#define BCM5600_ARL_PORT_SHIFT 15 |
233 |
#define BCM5600_ARL_SCP_FLAG 0x00200000 |
234 |
#define BCM5600_ARL_MOD_ID_MASK 0x07C00000 |
235 |
#define BCM5600_ARL_MOD_ID_SHIFT 22 |
236 |
|
237 |
/* === Multicast ARL definitions === */ |
238 |
/* Word 0: MAC address LSB */ |
239 |
|
240 |
/* Word 1 */ |
241 |
#define BCM5600_MARL_MAC_MSB_MASK 0x0000FFFF |
242 |
#define BCM5600_MARL_VLAN_TAG_MASK 0x0FFF0000 |
243 |
#define BCM5600_MARL_VLAN_TAG_SHIFT 16 |
244 |
#define BCM5600_MARL_COS_DST_MASK 0x70000000 |
245 |
#define BCM5600_MARL_COS_DST_SHIFT 28 |
246 |
|
247 |
/* Word 2 */ |
248 |
#define BCM5600_MARL_PORT_BMAP_MASK 0x1FFFFFFF |
249 |
|
250 |
/* Word 3 */ |
251 |
#define BCM5600_MARL_UT_PORT_BMAP_MASK 0x1FFFFFFF |
252 |
|
253 |
/* Word 4 */ |
254 |
#define BCM5600_MARL_MOD_BMAP_MASK 0xFFFFFFFF |
255 |
|
256 |
/* === Trunk bitmap === */ |
257 |
#define BCM5600_TBMAP_MASK 0x0FFFFFFF |
258 |
|
259 |
/* === Trunk table === */ |
260 |
/* Word 0 */ |
261 |
#define BCM5600_TTR_TP0_MASK 0x0000003F |
262 |
#define BCM5600_TTR_TP0_SHIFT 0 |
263 |
#define BCM5600_TTR_TP1_MASK 0x00000FC0 |
264 |
#define BCM5600_TTR_TP1_SHIFT 6 |
265 |
#define BCM5600_TTR_TP2_MASK 0x0003F000 |
266 |
#define BCM5600_TTR_TP2_SHIFT 12 |
267 |
#define BCM5600_TTR_TP3_MASK 0x00FC0000 |
268 |
#define BCM5600_TTR_TP3_SHIFT 18 |
269 |
#define BCM5600_TTR_TP4_MASK 0x3F000000 |
270 |
#define BCM5600_TTR_TP4_SHIFT 24 |
271 |
|
272 |
/* Word 1 */ |
273 |
#define BCM5600_TTR_TP5_MASK 0x0000003F |
274 |
#define BCM5600_TTR_TP5_SHIFT 0 |
275 |
#define BCM5600_TTR_TP6_MASK 0x00000FC0 |
276 |
#define BCM5600_TTR_TP6_SHIFT 6 |
277 |
#define BCM5600_TTR_TP7_MASK 0x0003F000 |
278 |
#define BCM5600_TTR_TP7_SHIFT 12 |
279 |
|
280 |
#define BCM5600_TTR_TG_SIZE_MASK 0x003C0000 |
281 |
#define BCM5600_TTR_TG_SIZE_SHIFT 18 |
282 |
|
283 |
/* Trunks (port aggregation) */ |
284 |
#define BCM5600_MAX_TRUNKS 6 |
285 |
#define BCM5600_MAX_PORTS_PER_TRUNK 8 |
286 |
|
287 |
/* ======================================================================= */ |
288 |
|
289 |
/* Transmit descriptor size */ |
290 |
#define BCM5600_TXD_SIZE 32 |
291 |
#define BCM5600_TXD_RING_CONT 0x80000000 /* ring is continuing */ |
292 |
#define BCM5600_TXD_UNKNOWN 0x04000000 /* valid packet (?) */ |
293 |
#define BCM5600_TXD_NEOP 0x00040000 /* end of packet if not set */ |
294 |
|
295 |
/* Receive descriptor size */ |
296 |
#define BCM5600_RXD_SIZE 32 |
297 |
#define BCM5600_RXD_RING_CONT 0x80000000 /* ring is continuing */ |
298 |
#define BCM5600_RXD_UNKNOWN 0x00040000 /* unknown */ |
299 |
|
300 |
/* Interrupt sources */ |
301 |
#define BCM5600_INTR_STAT_ITER_DONE 0x00100000 /* Unknown */ |
302 |
#define BCM5600_INTR_RX_UNDERRUN 0x00000400 /* RX ring underrun */ |
303 |
#define BCM5600_INTR_RX_AVAIL 0x00000200 /* packet available */ |
304 |
#define BCM5600_INTR_TX_UNDERRUN 0x00000100 /* TX ring underrun */ |
305 |
#define BCM5600_INTR_LINKSTAT_MOD 0x00000010 /* Link status modified */ |
306 |
|
307 |
/* ======================================================================= */ |
308 |
|
309 |
/* Port Mirroring */ |
310 |
#define BCM5600_MIRROR_ENABLE 0x40 |
311 |
#define BCM5600_MIRROR_PORT_MASK 0x3F |
312 |
|
313 |
/* ======================================================================= */ |
314 |
|
315 |
#define BCM5600_REG_HASH_SIZE 8192 |
316 |
|
317 |
/* BCM5600 register */ |
318 |
struct bcm5600_reg { |
319 |
m_uint32_t addr; |
320 |
m_uint32_t value; |
321 |
struct bcm5600_reg *next; |
322 |
}; |
323 |
|
324 |
/* BCM5600 table */ |
325 |
struct bcm5600_table { |
326 |
char *name; |
327 |
long offset; |
328 |
m_uint32_t addr; |
329 |
u_int min_index,max_index; |
330 |
u_int nr_words; |
331 |
}; |
332 |
|
333 |
/* BCM5600 in-transit packet */ |
334 |
struct bcm5600_pkt { |
335 |
/* Received packet data */ |
336 |
u_char *pkt; |
337 |
ssize_t pkt_len; |
338 |
|
339 |
/* Rewritten packet (802.1Q tag pushed or poped) */ |
340 |
u_char *rewr_pkt; |
341 |
int rewrite_done; |
342 |
|
343 |
/* Original VLAN (-1 for untagged packet) and Real VLAN */ |
344 |
int orig_vlan,real_vlan; |
345 |
|
346 |
/* VLAN entry */ |
347 |
m_uint32_t *vlan_entry; |
348 |
|
349 |
/* Ingress Port and Egress Port bitmap */ |
350 |
u_int ingress_port,egress_bitmap,egress_ut_bitmap; |
351 |
u_int egress_filter_bitmap; |
352 |
|
353 |
/* RX descriptor */ |
354 |
m_uint32_t rdes[4]; |
355 |
|
356 |
/* Packet sent to CPU */ |
357 |
u_int sent_to_cpu; |
358 |
}; |
359 |
|
360 |
/* BCM5600 physical port */ |
361 |
struct bcm5600_port { |
362 |
netio_desc_t *nio; |
363 |
u_int id; |
364 |
char name[32]; |
365 |
}; |
366 |
|
367 |
/* NM-16ESW private data */ |
368 |
struct nm_16esw_data { |
369 |
char *name; |
370 |
u_int nr_port; |
371 |
|
372 |
vm_instance_t *vm; |
373 |
struct vdevice *dev; |
374 |
struct pci_device *pci_dev; |
375 |
|
376 |
pthread_mutex_t lock; |
377 |
|
378 |
/* Ager task */ |
379 |
timer_id ager_tid; |
380 |
|
381 |
/* S-channel command and command result */ |
382 |
m_uint32_t schan_cmd,schan_cmd_res; |
383 |
|
384 |
/* Data Words */ |
385 |
m_uint32_t dw[BCM5600_DW_MAX]; |
386 |
|
387 |
/* Interrupt mask */ |
388 |
m_uint32_t intr_mask; |
389 |
|
390 |
/* MII registers */ |
391 |
m_uint16_t mii_regs[64][32]; |
392 |
m_uint32_t mii_input,mii_output; |
393 |
u_int mii_intr; |
394 |
|
395 |
/* RX/TX rings addresses */ |
396 |
m_uint32_t rx_ring_addr,tx_ring_addr; |
397 |
m_uint32_t tx_current,tx_end_scan; |
398 |
m_uint32_t rx_current,rx_end_scan; |
399 |
|
400 |
/* TX ring scanner task id */ |
401 |
ptask_id_t tx_tid; |
402 |
|
403 |
/* TX buffer */ |
404 |
u_char tx_buffer[BCM5600_MAX_PKT_SIZE]; |
405 |
u_int tx_bufsize; |
406 |
|
407 |
/* Port Mirroring */ |
408 |
u_int mirror_dst_port; |
409 |
u_int mirror_egress_ports; |
410 |
|
411 |
/* Registers hash table */ |
412 |
struct bcm5600_reg *reg_hash_table[BCM5600_REG_HASH_SIZE]; |
413 |
|
414 |
/* Most used tables... */ |
415 |
struct bcm5600_table *t_ptable,*t_vtable; |
416 |
struct bcm5600_table *t_arl,*t_marl; |
417 |
struct bcm5600_table *t_tbmap,*t_ttr; |
418 |
|
419 |
/* Ports (only 16 are "real" and usable) */ |
420 |
struct bcm5600_port ports[32]; |
421 |
|
422 |
/* CPU port */ |
423 |
u_int cpu_port; |
424 |
|
425 |
/* Current egress port of all trunks */ |
426 |
u_int trunk_last_egress_port[BCM5600_MAX_TRUNKS]; |
427 |
|
428 |
/* ARL count table */ |
429 |
m_uint32_t *arl_cnt; |
430 |
|
431 |
/* ARL (Address Resolution Logic) Table */ |
432 |
m_uint32_t *arl_table; |
433 |
|
434 |
/* Multicast ARL Table */ |
435 |
m_uint32_t *marl_table; |
436 |
|
437 |
/* VTABLE (VLAN Table) */ |
438 |
m_uint32_t *vtable; |
439 |
|
440 |
/* Trunks */ |
441 |
m_uint32_t *ttr,*tbmap; |
442 |
|
443 |
/* PTABLE (Port Table) */ |
444 |
m_uint32_t *ptable; |
445 |
}; |
446 |
|
447 |
/* NM-16ESW Port physical port mapping table (Cisco => BCM) */ |
448 |
static int nm16esw_port_mapping[] = { |
449 |
2, 0, 6, 4, 10, 8, 14, 12, 3, 1, 7, 5, 11, 9, 15, 13, |
450 |
}; |
451 |
|
452 |
/* Log a BCM message */ |
453 |
#define BCM_LOG(d,msg...) vm_log((d)->vm,(d)->name,msg) |
454 |
|
455 |
/* Lock/Unlock primitives */ |
456 |
#define BCM_LOCK(d) pthread_mutex_lock(&(d)->lock) |
457 |
#define BCM_UNLOCK(d) pthread_mutex_unlock(&(d)->lock) |
458 |
|
459 |
/* Trunk group info */ |
460 |
struct bcm5600_tg_info { |
461 |
u_int index,mask,shift; |
462 |
}; |
463 |
|
464 |
static struct bcm5600_tg_info tg_info[8] = { |
465 |
{ 0, BCM5600_TTR_TP0_MASK, BCM5600_TTR_TP0_SHIFT }, |
466 |
{ 0, BCM5600_TTR_TP1_MASK, BCM5600_TTR_TP1_SHIFT }, |
467 |
{ 0, BCM5600_TTR_TP2_MASK, BCM5600_TTR_TP2_SHIFT }, |
468 |
{ 0, BCM5600_TTR_TP3_MASK, BCM5600_TTR_TP3_SHIFT }, |
469 |
{ 0, BCM5600_TTR_TP4_MASK, BCM5600_TTR_TP4_SHIFT }, |
470 |
{ 1, BCM5600_TTR_TP5_MASK, BCM5600_TTR_TP5_SHIFT }, |
471 |
{ 1, BCM5600_TTR_TP6_MASK, BCM5600_TTR_TP6_SHIFT }, |
472 |
{ 1, BCM5600_TTR_TP7_MASK, BCM5600_TTR_TP7_SHIFT }, |
473 |
}; |
474 |
|
475 |
/* Return port status (up or down), based on the MII register */ |
476 |
static int bcm5600_mii_port_status(struct nm_16esw_data *d,u_int port) |
477 |
{ |
478 |
u_int mii_ctrl; |
479 |
|
480 |
mii_ctrl = d->mii_regs[port][0x00]; |
481 |
|
482 |
/* Isolate bit */ |
483 |
return(!(mii_ctrl & 0x400)); |
484 |
} |
485 |
|
486 |
/* Build port status bitmap */ |
487 |
static m_uint32_t bcm5600_mii_port_status_bmp(struct nm_16esw_data *d) |
488 |
{ |
489 |
m_uint32_t bmp; |
490 |
int i; |
491 |
|
492 |
for(i=0,bmp=0;i<d->nr_port;i++) |
493 |
if (bcm5600_mii_port_status(d,i)) |
494 |
bmp |= 1 << i; |
495 |
|
496 |
return(bmp); |
497 |
} |
498 |
|
499 |
/* Read a MII register */ |
500 |
static void bcm5600_mii_read(struct nm_16esw_data *d) |
501 |
{ |
502 |
m_uint8_t port,reg; |
503 |
|
504 |
port = (d->mii_input >> 16) & 0xFF; |
505 |
reg = (d->mii_input >> 24) & 0xFF; |
506 |
|
507 |
if ((port < 32) && (reg < 32)) { |
508 |
d->mii_output = d->mii_regs[port][reg]; |
509 |
|
510 |
switch(reg) { |
511 |
case 0x00: |
512 |
d->mii_output &= ~0x8200; |
513 |
break; |
514 |
case 0x01: |
515 |
if (d->ports[port].nio && bcm5600_mii_port_status(d,port)) |
516 |
d->mii_output = 0x782C; |
517 |
else |
518 |
d->mii_output = 0; |
519 |
break; |
520 |
case 0x02: |
521 |
d->mii_output = 0x40; |
522 |
break; |
523 |
case 0x03: |
524 |
d->mii_output = 0x61d4; |
525 |
break; |
526 |
case 0x04: |
527 |
d->mii_output = 0x1E1; |
528 |
break; |
529 |
case 0x05: |
530 |
d->mii_output = 0x41E1; |
531 |
break; |
532 |
default: |
533 |
d->mii_output = 0; |
534 |
} |
535 |
} |
536 |
} |
537 |
|
538 |
/* Write a MII register */ |
539 |
static void bcm5600_mii_write(struct nm_16esw_data *d) |
540 |
{ |
541 |
m_uint8_t port,reg; |
542 |
m_uint16_t isolation; |
543 |
|
544 |
port = (d->mii_input >> 16) & 0xFF; |
545 |
reg = (d->mii_input >> 24) & 0xFF; |
546 |
|
547 |
if ((port < 32) && (reg < 32)) |
548 |
{ |
549 |
#if DEBUG_MII |
550 |
BCM_LOG(d,"MII: port 0x%4.4x, reg 0x%2.2x: writing 0x%4.4x\n", |
551 |
port,reg,d->mii_input & 0xFFFF); |
552 |
#endif |
553 |
|
554 |
/* Check if PHY isolation status is changing */ |
555 |
if (reg == 0) { |
556 |
isolation = (d->mii_input ^ d->mii_regs[port][reg]) & 0x400; |
557 |
|
558 |
if (isolation) { |
559 |
#if DEBUG_MII |
560 |
BCM_LOG(d,"MII: port 0x%4.4x: generating IRQ\n",port); |
561 |
#endif |
562 |
d->mii_intr = TRUE; |
563 |
pci_dev_trigger_irq(d->vm,d->pci_dev); |
564 |
} |
565 |
} |
566 |
|
567 |
d->mii_regs[port][reg] = d->mii_input & 0xFFFF; |
568 |
} |
569 |
} |
570 |
|
571 |
/* Hash function for register */ |
572 |
static u_int bcm5600_reg_get_hash(m_uint32_t addr) |
573 |
{ |
574 |
return((addr ^ (addr >> 16)) & (BCM5600_REG_HASH_SIZE - 1)); |
575 |
} |
576 |
|
577 |
/* Find a register entry */ |
578 |
static struct bcm5600_reg *bcm5600_reg_find(struct nm_16esw_data *d, |
579 |
m_uint32_t addr) |
580 |
{ |
581 |
struct bcm5600_reg *reg; |
582 |
u_int h_index; |
583 |
|
584 |
h_index = bcm5600_reg_get_hash(addr); |
585 |
for(reg=d->reg_hash_table[h_index];reg;reg=reg->next) |
586 |
if (reg->addr == addr) |
587 |
return reg; |
588 |
|
589 |
return NULL; |
590 |
} |
591 |
|
592 |
/* Read a register */ |
593 |
static m_uint32_t bcm5600_reg_read(struct nm_16esw_data *d,m_uint32_t addr) |
594 |
{ |
595 |
struct bcm5600_reg *reg; |
596 |
|
597 |
if (!(reg = bcm5600_reg_find(d,addr))) |
598 |
return(0); |
599 |
|
600 |
return(reg->value); |
601 |
} |
602 |
|
603 |
/* Write a register */ |
604 |
static int bcm5600_reg_write(struct nm_16esw_data *d,m_uint32_t addr, |
605 |
m_uint32_t value) |
606 |
{ |
607 |
struct bcm5600_reg *reg; |
608 |
u_int h_index; |
609 |
|
610 |
if ((reg = bcm5600_reg_find(d,addr))) { |
611 |
reg->value = value; |
612 |
return(0); |
613 |
} |
614 |
|
615 |
/* create a new register */ |
616 |
if (!(reg = malloc(sizeof(*reg)))) |
617 |
return(-1); |
618 |
|
619 |
reg->addr = addr; |
620 |
reg->value = value; |
621 |
|
622 |
/* insert new register in hash table */ |
623 |
h_index = bcm5600_reg_get_hash(addr); |
624 |
reg->next = d->reg_hash_table[h_index]; |
625 |
d->reg_hash_table[h_index] = reg; |
626 |
|
627 |
return(0); |
628 |
} |
629 |
|
630 |
/* Register special handling */ |
631 |
static void bcm5600_reg_write_special(struct nm_16esw_data *d, |
632 |
m_uint32_t addr,m_uint32_t value) |
633 |
{ |
634 |
switch(addr) { |
635 |
case 0x80006: |
636 |
d->mirror_dst_port = value; |
637 |
break; |
638 |
|
639 |
case 0x8000d: |
640 |
d->mirror_egress_ports = value; |
641 |
break; |
642 |
|
643 |
case 0x80009: |
644 |
/* age timer */ |
645 |
break; |
646 |
} |
647 |
} |
648 |
|
649 |
/* Free memory used to store register info */ |
650 |
static void bcm5600_reg_free(struct nm_16esw_data *d) |
651 |
{ |
652 |
struct bcm5600_reg *reg,*next; |
653 |
int i; |
654 |
|
655 |
for(i=0;i<BCM5600_REG_HASH_SIZE;i++) |
656 |
for(reg=d->reg_hash_table[i];reg;reg=next) { |
657 |
next = reg->next; |
658 |
free(reg); |
659 |
} |
660 |
} |
661 |
|
662 |
/* Dump all known registers */ |
663 |
static void bcm5600_reg_dump(struct nm_16esw_data *d,int show_null) |
664 |
{ |
665 |
struct bcm5600_reg *reg; |
666 |
int i; |
667 |
|
668 |
printf("%s: dumping registers:\n",d->name); |
669 |
|
670 |
for(i=0;i<BCM5600_REG_HASH_SIZE;i++) |
671 |
for(reg=d->reg_hash_table[i];reg;reg=reg->next) { |
672 |
if (reg->value || show_null) |
673 |
printf(" 0x%8.8x: 0x%8.8x\n",reg->addr,reg->value); |
674 |
} |
675 |
} |
676 |
|
677 |
/* Fill a string buffer with all ports of the specified bitmap */ |
678 |
static char *bcm5600_port_bitmap_str(struct nm_16esw_data *d, |
679 |
char *buffer,m_uint32_t bitmap) |
680 |
{ |
681 |
char *ptr = buffer; |
682 |
int i; |
683 |
|
684 |
*ptr = 0; |
685 |
|
686 |
for(i=0;i<d->nr_port;i++) |
687 |
if (bitmap & (1 << i)) { |
688 |
ptr += sprintf(ptr,"%s ",d->ports[i].name); |
689 |
} |
690 |
|
691 |
return buffer; |
692 |
} |
693 |
|
694 |
/* BCM5600 tables */ |
695 |
#define BCM_OFFSET(x) (OFFSET(struct nm_16esw_data,x)) |
696 |
|
697 |
static struct bcm5600_table bcm5600_tables[] = { |
698 |
/* ARL tables */ |
699 |
{ "arlcnt0", BCM_OFFSET(arl_cnt), BCM5600_ADDR_ARLCNT0, 0, 0, 1 }, |
700 |
{ "arlcnt1", BCM_OFFSET(arl_cnt), BCM5600_ADDR_ARLCNT1, 0, 0, 1 }, |
701 |
{ "arlcnt2", BCM_OFFSET(arl_cnt), BCM5600_ADDR_ARLCNT2, 0, 0, 1 }, |
702 |
|
703 |
/* ARL tables */ |
704 |
{ "arl0", BCM_OFFSET(arl_table), BCM5600_ADDR_ARL0, 0, 8191, 3 }, |
705 |
{ "arl1", BCM_OFFSET(arl_table), BCM5600_ADDR_ARL1, 0, 8191, 3 }, |
706 |
{ "arl2", BCM_OFFSET(arl_table), BCM5600_ADDR_ARL2, 0, 8191, 3 }, |
707 |
|
708 |
/* Multicast ARL tables */ |
709 |
{ "marl0", BCM_OFFSET(marl_table), BCM5600_ADDR_MARL0, 1, 255, 5 }, |
710 |
{ "marl1", BCM_OFFSET(marl_table), BCM5600_ADDR_MARL1, 1, 255, 5 }, |
711 |
{ "marl2", BCM_OFFSET(marl_table), BCM5600_ADDR_MARL2, 1, 255, 5 }, |
712 |
|
713 |
/* PTABLE - Physical Ports */ |
714 |
{ "ptable0", BCM_OFFSET(ptable), BCM5600_ADDR_PTABLE0, 0, 31, 6 }, |
715 |
{ "ptable1", BCM_OFFSET(ptable), BCM5600_ADDR_PTABLE1, 0, 31, 6 }, |
716 |
{ "ptable2", BCM_OFFSET(ptable), BCM5600_ADDR_PTABLE2, 0, 31, 6 }, |
717 |
|
718 |
/* VTABLE - VLANs */ |
719 |
{ "vtable0", BCM_OFFSET(vtable), BCM5600_ADDR_VTABLE0, 1, 255, 4 }, |
720 |
{ "vtable1", BCM_OFFSET(vtable), BCM5600_ADDR_VTABLE1, 1, 255, 4 }, |
721 |
{ "vtable2", BCM_OFFSET(vtable), BCM5600_ADDR_VTABLE2, 1, 255, 4 }, |
722 |
|
723 |
/* TTR */ |
724 |
{ "ttr0", BCM_OFFSET(ttr), BCM5600_ADDR_TTR0, 0, 5, 3 }, |
725 |
{ "ttr1", BCM_OFFSET(ttr), BCM5600_ADDR_TTR1, 0, 5, 3 }, |
726 |
{ "ttr2", BCM_OFFSET(ttr), BCM5600_ADDR_TTR2, 0, 5, 3 }, |
727 |
|
728 |
/* TBMAP */ |
729 |
{ "tbmap0", BCM_OFFSET(tbmap), BCM5600_ADDR_TBMAP0, 0, 5, 1 }, |
730 |
{ "tbmap1", BCM_OFFSET(tbmap), BCM5600_ADDR_TBMAP1, 0, 5, 1 }, |
731 |
{ "tbmap2", BCM_OFFSET(tbmap), BCM5600_ADDR_TBMAP2, 0, 5, 1 }, |
732 |
|
733 |
{ NULL, -1, 0, 0, 0 }, |
734 |
}; |
735 |
|
736 |
/* Get table size (in number of words) */ |
737 |
static inline u_int bcm5600_table_get_size(struct bcm5600_table *table) |
738 |
{ |
739 |
return(table->nr_words * (table->max_index + 1)); |
740 |
} |
741 |
|
742 |
/* Create automatically tables */ |
743 |
static int bcm5600_table_create(struct nm_16esw_data *d) |
744 |
{ |
745 |
struct bcm5600_table *table; |
746 |
m_uint32_t *array; |
747 |
size_t nr_words; |
748 |
int i; |
749 |
|
750 |
for(i=0;bcm5600_tables[i].name;i++) |
751 |
{ |
752 |
table = &bcm5600_tables[i]; |
753 |
nr_words = bcm5600_table_get_size(table); |
754 |
|
755 |
if (!(array = calloc(nr_words,sizeof(m_uint32_t)))) { |
756 |
fprintf(stderr,"BCM5600: unable to create table '%s'\n",table->name); |
757 |
return(-1); |
758 |
} |
759 |
|
760 |
*(PTR_ADJUST(m_uint32_t **,d,table->offset)) = array; |
761 |
} |
762 |
|
763 |
return(0); |
764 |
} |
765 |
|
766 |
/* Free tables */ |
767 |
static void bcm5600_table_free(struct nm_16esw_data *d) |
768 |
{ |
769 |
struct bcm5600_table *table; |
770 |
m_uint32_t **array; |
771 |
int i; |
772 |
|
773 |
for(i=0;bcm5600_tables[i].name;i++) { |
774 |
table = &bcm5600_tables[i]; |
775 |
array = (PTR_ADJUST(m_uint32_t **,d,table->offset)); |
776 |
free(*array); |
777 |
|
778 |
/* avoid freeing the same table multiple times */ |
779 |
*array = NULL; |
780 |
} |
781 |
} |
782 |
|
783 |
/* Find a table given its address */ |
784 |
static struct bcm5600_table *bcm5600_table_find(struct nm_16esw_data *d, |
785 |
m_uint32_t addr) |
786 |
{ |
787 |
int i; |
788 |
|
789 |
for(i=0;bcm5600_tables[i].name;i++) |
790 |
if (bcm5600_tables[i].addr == addr) |
791 |
return(&bcm5600_tables[i]); |
792 |
|
793 |
#if DEBUG_UNKNOWN |
794 |
BCM_LOG(d,"unknown table at address 0x%8.8x\n",addr); |
795 |
#endif |
796 |
return NULL; |
797 |
} |
798 |
|
799 |
/* Get a table entry */ |
800 |
static inline m_uint32_t *bcm5600_table_get_entry(struct nm_16esw_data *d, |
801 |
struct bcm5600_table *table, |
802 |
m_uint32_t index) |
803 |
{ |
804 |
m_uint32_t *array; |
805 |
|
806 |
if ((index < table->min_index) || (index > table->max_index)) |
807 |
return NULL; |
808 |
|
809 |
array = *(PTR_ADJUST(m_uint32_t **,d,table->offset)); |
810 |
return(&array[index*table->nr_words]); |
811 |
} |
812 |
|
813 |
/* Read a table entry */ |
814 |
static int bcm5600_table_read_entry(struct nm_16esw_data *d) |
815 |
{ |
816 |
struct bcm5600_table *table; |
817 |
m_uint32_t addr,index,*entry; |
818 |
int i; |
819 |
|
820 |
addr = d->dw[1] & 0xFFFF0000; |
821 |
index = d->dw[1] & 0x0000FFFF; |
822 |
|
823 |
if (!(table = bcm5600_table_find(d,addr))) { |
824 |
#if DEBUG_UNKNOWN |
825 |
BCM_LOG(d,"unknown mem address at address 0x%8.8x\n",d->dw[1]); |
826 |
#endif |
827 |
return(-1); |
828 |
} |
829 |
|
830 |
if (!(entry = bcm5600_table_get_entry(d,table,index))) |
831 |
return(-1); |
832 |
|
833 |
#if DEBUG_MEM |
834 |
BCM_LOG(d,"READ_MEM: addr=0x%8.8x (table %s)\n",d->dw[1],table->name); |
835 |
#endif |
836 |
|
837 |
for(i=0;i<table->nr_words;i++) |
838 |
d->dw[i+1] = entry[i]; |
839 |
|
840 |
return(0); |
841 |
} |
842 |
|
843 |
/* Write a table entry */ |
844 |
static int bcm5600_table_write_entry(struct nm_16esw_data *d) |
845 |
{ |
846 |
struct bcm5600_table *table; |
847 |
m_uint32_t addr,index,*entry; |
848 |
int i; |
849 |
|
850 |
addr = d->dw[1] & 0xFFFF0000; |
851 |
index = d->dw[1] & 0x0000FFFF; |
852 |
|
853 |
if (!(table = bcm5600_table_find(d,addr))) |
854 |
return(-1); |
855 |
|
856 |
if (!(entry = bcm5600_table_get_entry(d,table,index))) |
857 |
return(-1); |
858 |
|
859 |
for(i=0;i<table->nr_words;i++) |
860 |
entry[i] = d->dw[i+2]; |
861 |
|
862 |
#if DEBUG_MEM |
863 |
{ |
864 |
char buffer[512],*ptr = buffer; |
865 |
|
866 |
for(i=0;i<table->nr_words;i++) |
867 |
ptr += sprintf(ptr,"data[%d]=0x%8.8x ",i,entry[i]); |
868 |
|
869 |
BCM_LOG(d,"WRITE_MEM: addr=0x%8.8x (table %s) %s\n", |
870 |
d->dw[1],table->name,buffer); |
871 |
} |
872 |
#endif |
873 |
return(0); |
874 |
} |
875 |
|
876 |
/* Dump a table (for debugging) */ |
877 |
static int bcm5600_table_dump(struct nm_16esw_data *d,m_uint32_t addr) |
878 |
{ |
879 |
struct bcm5600_table *table; |
880 |
m_uint32_t *entry; |
881 |
int i,j; |
882 |
|
883 |
if (!(table = bcm5600_table_find(d,addr))) |
884 |
return(-1); |
885 |
|
886 |
printf("%s: dumping table \"%s\":\n",d->name,table->name); |
887 |
|
888 |
for(i=table->min_index;i<=table->max_index;i++) { |
889 |
if (!(entry = bcm5600_table_get_entry(d,table,i))) |
890 |
break; |
891 |
|
892 |
printf(" %4d:",i); |
893 |
|
894 |
for(j=0;j<table->nr_words;j++) |
895 |
printf("0x%8.8x ",entry[j]); |
896 |
|
897 |
printf("\n"); |
898 |
} |
899 |
|
900 |
printf("\n"); |
901 |
return(0); |
902 |
} |
903 |
|
904 |
/* Dump the VLAN table */ |
905 |
static int bcm5600_dump_vtable(struct nm_16esw_data *d) |
906 |
{ |
907 |
struct bcm5600_table *table; |
908 |
struct bcm5600_port *port; |
909 |
m_uint32_t *entry,tbmp,ubmp; |
910 |
u_int vlan; |
911 |
int i,j; |
912 |
|
913 |
if (!(table = bcm5600_table_find(d,BCM5600_ADDR_VTABLE0))) |
914 |
return(-1); |
915 |
|
916 |
printf("%s: dumping VLAN table:\n",d->name); |
917 |
|
918 |
for(i=table->min_index;i<=table->max_index;i++) { |
919 |
if (!(entry = bcm5600_table_get_entry(d,table,i))) |
920 |
break; |
921 |
|
922 |
/* Extract the VLAN info */ |
923 |
vlan = entry[0] & BCM5600_VTABLE_VLAN_TAG_MASK; |
924 |
|
925 |
if (vlan == VLAN_INVALID) |
926 |
continue; |
927 |
|
928 |
printf(" VLAN %4u: ",vlan); |
929 |
|
930 |
for(j=0;j<d->nr_port;j++) { |
931 |
tbmp = entry[1] & (1 << j); |
932 |
ubmp = entry[2] & (1 << j); |
933 |
|
934 |
if (tbmp || ubmp) { |
935 |
port = &d->ports[j]; |
936 |
|
937 |
printf("%s (",port->name); |
938 |
|
939 |
if (tbmp) |
940 |
printf("T%s",ubmp ? "/" : ") "); |
941 |
|
942 |
if (ubmp) |
943 |
printf("UT) "); |
944 |
} |
945 |
} |
946 |
|
947 |
printf("\n"); |
948 |
} |
949 |
|
950 |
printf("\n"); |
951 |
return(0); |
952 |
} |
953 |
|
954 |
/* Dump the "trunk" ports */ |
955 |
static int bcm5600_dump_trunks(struct nm_16esw_data *d) |
956 |
{ |
957 |
struct bcm5600_table *table; |
958 |
struct bcm5600_port *port; |
959 |
m_uint32_t *entry; |
960 |
int i,j; |
961 |
|
962 |
if (!(table = bcm5600_table_find(d,BCM5600_ADDR_TBMAP0))) |
963 |
return(-1); |
964 |
|
965 |
printf("%s: trunk ports:\n",d->name); |
966 |
|
967 |
for(i=table->min_index;i<=table->max_index;i++) { |
968 |
if (!(entry = bcm5600_table_get_entry(d,table,i))) |
969 |
break; |
970 |
|
971 |
if (!entry[0]) |
972 |
continue; |
973 |
|
974 |
printf(" Trunk %d: ",i); |
975 |
|
976 |
for(j=0;j<d->nr_port;j++) { |
977 |
if (entry[0] & (1 << j)) { |
978 |
port = &d->ports[j]; |
979 |
printf("%s ",port->name); |
980 |
} |
981 |
} |
982 |
|
983 |
printf("\n"); |
984 |
} |
985 |
|
986 |
printf("\n"); |
987 |
return(0); |
988 |
} |
989 |
|
990 |
/* Dump the physical port info */ |
991 |
static int bcm5600_dump_ports(struct nm_16esw_data *d) |
992 |
{ |
993 |
struct bcm5600_table *table; |
994 |
struct bcm5600_port *port; |
995 |
m_uint32_t *entry; |
996 |
u_int vlan,tgid; |
997 |
int i; |
998 |
|
999 |
if (!(table = bcm5600_table_find(d,BCM5600_ADDR_PTABLE0))) |
1000 |
return(-1); |
1001 |
|
1002 |
printf("%s: physical ports:\n",d->name); |
1003 |
|
1004 |
for(i=0;i<d->nr_port;i++) { |
1005 |
if (!(entry = bcm5600_table_get_entry(d,table,i))) |
1006 |
break; |
1007 |
|
1008 |
port = &d->ports[i]; |
1009 |
vlan = entry[0] & BCM5600_PTABLE_VLAN_TAG_MASK; |
1010 |
|
1011 |
printf(" %-10s: VLAN %u",port->name,vlan); |
1012 |
|
1013 |
if (entry[0] & BCM5600_PTABLE_TRUNK_FLAG) { |
1014 |
tgid = entry[0] & BCM5600_PTABLE_TGID_MASK; |
1015 |
tgid >>= BCM5600_PTABLE_TGID_SHIFT; |
1016 |
|
1017 |
printf(", Trunk Group %u ",tgid); |
1018 |
} |
1019 |
|
1020 |
printf("\n"); |
1021 |
} |
1022 |
|
1023 |
printf("\n"); |
1024 |
return(0); |
1025 |
} |
1026 |
|
1027 |
/* Dump the physical port bitmaps */ |
1028 |
static int bcm5600_dump_port_bitmaps(struct nm_16esw_data *d) |
1029 |
{ |
1030 |
struct bcm5600_table *table; |
1031 |
struct bcm5600_port *port; |
1032 |
m_uint32_t *entry,tbmp,ubmp; |
1033 |
int i,j; |
1034 |
|
1035 |
if (!(table = bcm5600_table_find(d,BCM5600_ADDR_PTABLE0))) |
1036 |
return(-1); |
1037 |
|
1038 |
printf("%s: dumping bitmaps of the port table:\n",d->name); |
1039 |
|
1040 |
for(i=0;i<d->nr_port;i++) { |
1041 |
if (!(entry = bcm5600_table_get_entry(d,table,i))) |
1042 |
break; |
1043 |
|
1044 |
port = &d->ports[i]; |
1045 |
|
1046 |
printf(" %-10s: ",port->name); |
1047 |
|
1048 |
for(j=0;j<d->nr_port;j++) { |
1049 |
tbmp = entry[1] & (1 << j); |
1050 |
ubmp = entry[2] & (1 << j); |
1051 |
|
1052 |
if (tbmp || ubmp) { |
1053 |
printf("%s (",d->ports[j].name); |
1054 |
|
1055 |
if (tbmp) |
1056 |
printf("T%s",ubmp ? "/" : ") "); |
1057 |
|
1058 |
if (ubmp) |
1059 |
printf("UT) "); |
1060 |
} |
1061 |
} |
1062 |
|
1063 |
printf("\n"); |
1064 |
} |
1065 |
|
1066 |
printf("\n"); |
1067 |
return(0); |
1068 |
} |
1069 |
|
1070 |
/* Dump main tables */ |
1071 |
static void bcm5600_dump_main_tables(struct nm_16esw_data *d) |
1072 |
{ |
1073 |
bcm5600_dump_ports(d); |
1074 |
bcm5600_dump_port_bitmaps(d); |
1075 |
bcm5600_dump_vtable(d); |
1076 |
bcm5600_dump_trunks(d); |
1077 |
} |
1078 |
|
1079 |
/* Find a free ARL entry */ |
1080 |
static int bcm5600_find_free_arl_entry(struct nm_16esw_data *d) |
1081 |
{ |
1082 |
struct bcm5600_table *table = d->t_arl; |
1083 |
|
1084 |
if (d->arl_cnt[0] == table->max_index) |
1085 |
return(-1); |
1086 |
|
1087 |
return(d->arl_cnt[0] - 1); |
1088 |
} |
1089 |
|
1090 |
/* ARL Lookup. TODO: this must be optimized in the future. */ |
1091 |
static inline int bcm5600_gen_arl_lookup(struct nm_16esw_data *d, |
1092 |
struct bcm5600_table *table, |
1093 |
u_int index_start,u_int index_end, |
1094 |
n_eth_addr_t *mac_addr, |
1095 |
u_int vlan) |
1096 |
{ |
1097 |
m_uint32_t *entry,tmp[2],mask; |
1098 |
int i; |
1099 |
|
1100 |
tmp[0] = mac_addr->eth_addr_byte[2] << 24; |
1101 |
tmp[0] |= mac_addr->eth_addr_byte[3] << 16; |
1102 |
tmp[0] |= mac_addr->eth_addr_byte[4] << 8; |
1103 |
tmp[0] |= mac_addr->eth_addr_byte[5]; |
1104 |
|
1105 |
tmp[1] = (mac_addr->eth_addr_byte[0] << 8) | mac_addr->eth_addr_byte[1]; |
1106 |
tmp[1] |= vlan << BCM5600_ARL_VLAN_TAG_SHIFT; |
1107 |
|
1108 |
mask = BCM5600_ARL_VLAN_TAG_MASK | BCM5600_ARL_MAC_MSB_MASK; |
1109 |
|
1110 |
for(i=index_start;i<index_end;i++) { |
1111 |
entry = bcm5600_table_get_entry(d,table,i); |
1112 |
|
1113 |
if ((entry[0] == tmp[0]) && ((entry[1] & mask) == tmp[1])) |
1114 |
return(i); |
1115 |
} |
1116 |
|
1117 |
return(-1); |
1118 |
} |
1119 |
|
1120 |
/* ARL Lookup */ |
1121 |
static inline int bcm5600_arl_lookup(struct nm_16esw_data *d, |
1122 |
n_eth_addr_t *mac_addr, |
1123 |
u_int vlan) |
1124 |
{ |
1125 |
struct bcm5600_table *table = d->t_arl; |
1126 |
return(bcm5600_gen_arl_lookup(d,table,1,d->arl_cnt[0]-1,mac_addr,vlan)); |
1127 |
} |
1128 |
|
1129 |
/* MARL Lookup */ |
1130 |
static inline int bcm5600_marl_lookup(struct nm_16esw_data *d, |
1131 |
n_eth_addr_t *mac_addr, |
1132 |
u_int vlan) |
1133 |
{ |
1134 |
struct bcm5600_table *table = d->t_marl; |
1135 |
return(bcm5600_gen_arl_lookup(d,table,table->min_index,table->max_index+1, |
1136 |
mac_addr,vlan)); |
1137 |
} |
1138 |
|
1139 |
/* Invalidate an ARL entry */ |
1140 |
static void bcm5600_invalidate_arl_entry(m_uint32_t *entry) |
1141 |
{ |
1142 |
entry[0] = entry[1] = entry[2] = 0; |
1143 |
} |
1144 |
|
1145 |
/* Insert an entry into the ARL table */ |
1146 |
static int bcm5600_insert_arl_entry(struct nm_16esw_data *d) |
1147 |
{ |
1148 |
struct bcm5600_table *table = d->t_arl; |
1149 |
m_uint32_t *entry,mask; |
1150 |
int i,index; |
1151 |
|
1152 |
mask = BCM5600_ARL_VLAN_TAG_MASK | BCM5600_ARL_MAC_MSB_MASK; |
1153 |
|
1154 |
for(i=0;i<d->arl_cnt[0]-1;i++) { |
1155 |
entry = bcm5600_table_get_entry(d,table,i); |
1156 |
|
1157 |
/* If entry already exists, just modify it */ |
1158 |
if ((entry[0] == d->dw[1]) && ((entry[1] & mask) == (d->dw[2] & mask))) { |
1159 |
entry[0] = d->dw[1]; |
1160 |
entry[1] = d->dw[2]; |
1161 |
entry[2] = d->dw[3]; |
1162 |
d->dw[1] = i; |
1163 |
return(0); |
1164 |
} |
1165 |
} |
1166 |
|
1167 |
index = d->arl_cnt[0] - 1; |
1168 |
|
1169 |
entry = bcm5600_table_get_entry(d,table,index); |
1170 |
entry[0] = d->dw[1]; |
1171 |
entry[1] = d->dw[2]; |
1172 |
entry[2] = d->dw[3]; |
1173 |
d->dw[1] = index; |
1174 |
|
1175 |
d->arl_cnt[0]++; |
1176 |
return(0); |
1177 |
} |
1178 |
|
1179 |
/* Delete an entry from the ARL table */ |
1180 |
static int bcm5600_delete_arl_entry(struct nm_16esw_data *d) |
1181 |
{ |
1182 |
struct bcm5600_table *table; |
1183 |
m_uint32_t *entry,*last_entry,mac_msb; |
1184 |
u_int cvlan,vlan; |
1185 |
int i; |
1186 |
|
1187 |
if (!(table = bcm5600_table_find(d,BCM5600_ADDR_ARL0))) |
1188 |
return(-1); |
1189 |
|
1190 |
vlan = d->dw[2] & BCM5600_ARL_VLAN_TAG_MASK; |
1191 |
vlan >>= BCM5600_ARL_VLAN_TAG_SHIFT; |
1192 |
|
1193 |
mac_msb = d->dw[2] & BCM5600_ARL_MAC_MSB_MASK; |
1194 |
|
1195 |
for(i=table->min_index;i<=table->max_index;i++) { |
1196 |
entry = bcm5600_table_get_entry(d,table,i); |
1197 |
|
1198 |
/* compare VLANs and MAC addresses */ |
1199 |
cvlan = (entry[1] & BCM5600_ARL_VLAN_TAG_MASK); |
1200 |
cvlan >>= BCM5600_ARL_VLAN_TAG_SHIFT; |
1201 |
|
1202 |
if ((cvlan == vlan) && (entry[0] == d->dw[1]) && |
1203 |
((entry[1] & BCM5600_ARL_MAC_MSB_MASK) == mac_msb)) |
1204 |
{ |
1205 |
d->dw[1] = i; |
1206 |
|
1207 |
last_entry = bcm5600_table_get_entry(d,d->t_arl,d->arl_cnt[0]-2); |
1208 |
|
1209 |
entry[0] = last_entry[0]; |
1210 |
entry[1] = last_entry[1]; |
1211 |
entry[2] = last_entry[2]; |
1212 |
|
1213 |
d->arl_cnt[0]--; |
1214 |
return(i); |
1215 |
} |
1216 |
} |
1217 |
|
1218 |
return(0); |
1219 |
} |
1220 |
|
1221 |
/* Reset the ARL tables */ |
1222 |
static int bcm5600_reset_arl(struct nm_16esw_data *d) |
1223 |
{ |
1224 |
struct bcm5600_table *table; |
1225 |
m_uint32_t *entry; |
1226 |
int i; |
1227 |
|
1228 |
if (!(table = bcm5600_table_find(d,BCM5600_ADDR_ARL0))) |
1229 |
return(-1); |
1230 |
|
1231 |
for(i=table->min_index;i<=table->max_index;i++) { |
1232 |
entry = bcm5600_table_get_entry(d,table,i); |
1233 |
bcm5600_invalidate_arl_entry(entry); |
1234 |
} |
1235 |
|
1236 |
return(0); |
1237 |
} |
1238 |
|
1239 |
/* MAC Address Ager */ |
1240 |
static int bcm5600_arl_ager(struct nm_16esw_data *d) |
1241 |
{ |
1242 |
m_uint32_t *entry,*last_entry; |
1243 |
int i; |
1244 |
|
1245 |
BCM_LOCK(d); |
1246 |
|
1247 |
for(i=1;i<d->arl_cnt[0]-1;i++) { |
1248 |
entry = bcm5600_table_get_entry(d,d->t_arl,i); |
1249 |
assert(entry); |
1250 |
|
1251 |
if (entry[2] & BCM5600_ARL_ST_FLAG) |
1252 |
continue; |
1253 |
|
1254 |
/* The entry has expired, purge it */ |
1255 |
if (!(entry[2] & BCM5600_ARL_HIT_FLAG)) { |
1256 |
last_entry = bcm5600_table_get_entry(d,d->t_arl,d->arl_cnt[0]-2); |
1257 |
|
1258 |
entry[0] = last_entry[0]; |
1259 |
entry[1] = last_entry[1]; |
1260 |
entry[2] = last_entry[2]; |
1261 |
|
1262 |
d->arl_cnt[0]--; |
1263 |
i--; |
1264 |
} else { |
1265 |
entry[2] &= ~BCM5600_ARL_HIT_FLAG; |
1266 |
} |
1267 |
} |
1268 |
|
1269 |
BCM_UNLOCK(d); |
1270 |
return(TRUE); |
1271 |
} |
1272 |
|
1273 |
/* Get the VTABLE entry matching the specified VLAN */ |
1274 |
static m_uint32_t *bcm5600_vtable_get_entry_by_vlan(struct nm_16esw_data *d, |
1275 |
u_int vlan) |
1276 |
{ |
1277 |
struct bcm5600_table *table = d->t_vtable; |
1278 |
m_uint32_t *entry; |
1279 |
int i; |
1280 |
|
1281 |
for(i=table->min_index;i<=table->max_index;i++) { |
1282 |
if (!(entry = bcm5600_table_get_entry(d,table,i))) |
1283 |
break; |
1284 |
|
1285 |
if ((entry[0] & BCM5600_VTABLE_VLAN_TAG_MASK) == vlan) |
1286 |
return entry; |
1287 |
} |
1288 |
|
1289 |
return NULL; |
1290 |
} |
1291 |
|
1292 |
/* Read memory command */ |
1293 |
static void bcm5600_handle_read_mem_cmd(struct nm_16esw_data *d) |
1294 |
{ |
1295 |
int i; |
1296 |
|
1297 |
if (bcm5600_table_read_entry(d) != 0) { |
1298 |
for(i=1;i<BCM5600_DW_MAX;i++) |
1299 |
d->dw[i] = 0; |
1300 |
} |
1301 |
|
1302 |
d->dw[0] = BCM5600_OP_READ_MEM_ACK << BCM5600_CMD_OP_SHIFT; |
1303 |
} |
1304 |
|
1305 |
/* Write memory command */ |
1306 |
static void bcm5600_handle_write_mem_cmd(struct nm_16esw_data *d) |
1307 |
{ |
1308 |
bcm5600_table_write_entry(d); |
1309 |
d->dw[0] = BCM5600_OP_WRITE_MEM_ACK << BCM5600_CMD_OP_SHIFT; |
1310 |
} |
1311 |
|
1312 |
/* Handle a "general" command */ |
1313 |
static void bcm5600_handle_gen_cmd(struct nm_16esw_data *d) |
1314 |
{ |
1315 |
m_uint32_t op,src,dst,len; |
1316 |
|
1317 |
/* Extract the opcode */ |
1318 |
op = (d->dw[0] & BCM5600_CMD_OP_MASK) >> BCM5600_CMD_OP_SHIFT; |
1319 |
src = (d->dw[0] & BCM5600_CMD_SRC_MASK) >> BCM5600_CMD_SRC_SHIFT; |
1320 |
dst = (d->dw[0] & BCM5600_CMD_DST_MASK) >> BCM5600_CMD_DST_SHIFT; |
1321 |
len = (d->dw[0] & BCM5600_CMD_LEN_MASK) >> BCM5600_CMD_LEN_SHIFT; |
1322 |
|
1323 |
#if DEBUG_ACCESS |
1324 |
BCM_LOG(d,"gen_cmd: opcode 0x%2.2x [src=0x%2.2x,dst=0x%2.2x,len=0x%2.2x] " |
1325 |
"(dw[0]=0x%8.8x, dw[1]=0x%8.8x, dw[2]=0x%8.8x, dw[3]=0x%8.8x)\n", |
1326 |
op,src,dst,len,d->dw[0],d->dw[1],d->dw[2],d->dw[3]); |
1327 |
#endif |
1328 |
|
1329 |
switch(op) { |
1330 |
case BCM5600_OP_READ_MEM_CMD: |
1331 |
bcm5600_handle_read_mem_cmd(d); |
1332 |
break; |
1333 |
|
1334 |
case BCM5600_OP_WRITE_MEM_CMD: |
1335 |
bcm5600_handle_write_mem_cmd(d); |
1336 |
break; |
1337 |
|
1338 |
case BCM5600_OP_READ_REG_CMD: |
1339 |
d->dw[0] = BCM5600_OP_READ_REG_ACK << BCM5600_CMD_OP_SHIFT; |
1340 |
#if DEBUG_REG |
1341 |
BCM_LOG(d,"READ_REG: reg_addr=0x%8.8x\n",d->dw[1]); |
1342 |
#endif |
1343 |
d->dw[1] = bcm5600_reg_read(d,d->dw[1]); |
1344 |
break; |
1345 |
|
1346 |
case BCM5600_OP_WRITE_REG_CMD: |
1347 |
d->dw[0] = BCM5600_OP_WRITE_REG_ACK << BCM5600_CMD_OP_SHIFT; |
1348 |
#if DEBUG_REG |
1349 |
BCM_LOG(d,"WRITE_REG: reg_addr=0x%8.8x val=0x%8.8x\n", |
1350 |
d->dw[1],d->dw[2]); |
1351 |
#endif |
1352 |
bcm5600_reg_write(d,d->dw[1],d->dw[2]); |
1353 |
bcm5600_reg_write_special(d,d->dw[1],d->dw[2]); |
1354 |
break; |
1355 |
|
1356 |
case BCM5600_OP_ARL_INSERT_CMD: |
1357 |
d->dw[0] = BCM5600_OP_ARL_INSERT_DONE << BCM5600_CMD_OP_SHIFT; |
1358 |
|
1359 |
#if DEBUG_ARL |
1360 |
BCM_LOG(d,"ARL_INSERT_CMD " |
1361 |
"(dw[1]=0x%8.8x,dw[2]=0x%8.8x,dw[3]=0x%8.8x)\n", |
1362 |
d->dw[1],d->dw[2],d->dw[3]); |
1363 |
#endif |
1364 |
bcm5600_insert_arl_entry(d); |
1365 |
break; |
1366 |
|
1367 |
case BCM5600_OP_ARL_DELETE_CMD: |
1368 |
d->dw[0] = BCM5600_OP_ARL_DELETE_DONE << BCM5600_CMD_OP_SHIFT; |
1369 |
|
1370 |
#if DEBUG_ARL |
1371 |
BCM_LOG(d,"ARL_DELETE_CMD (dw[1]=0x%8.8x,dw[2]=0x%8.8x)\n", |
1372 |
d->dw[1],d->dw[2]); |
1373 |
#endif |
1374 |
bcm5600_delete_arl_entry(d); |
1375 |
break; |
1376 |
|
1377 |
case BCM5600_OP_ARL_LOOKUP_CMD: |
1378 |
d->dw[0] = BCM5600_OP_READ_MEM_ACK << BCM5600_CMD_OP_SHIFT; |
1379 |
break; |
1380 |
|
1381 |
default: |
1382 |
BCM_LOG(d,"unknown opcode 0x%8.8x (cmd=0x%8.8x)\n",op,d->dw[0]); |
1383 |
} |
1384 |
} |
1385 |
|
1386 |
/* Handle a s-channel command */ |
1387 |
static void bcm5600_handle_schan_cmd(struct nm_16esw_data *d,m_uint32_t cmd) |
1388 |
{ |
1389 |
d->schan_cmd = cmd; |
1390 |
|
1391 |
#if DEBUG_ACCESS |
1392 |
BCM_LOG(d,"s-chan command 0x%8.8x\n",cmd); |
1393 |
#endif |
1394 |
|
1395 |
switch(cmd) { |
1396 |
case BCM5600_SCHAN_CMD_EXEC: |
1397 |
bcm5600_handle_gen_cmd(d); |
1398 |
d->schan_cmd_res = 0x00008002; |
1399 |
break; |
1400 |
|
1401 |
case BCM5600_SCHAN_CMD_READ_MII: |
1402 |
bcm5600_mii_read(d); |
1403 |
d->schan_cmd_res = 0x00048000; |
1404 |
break; |
1405 |
|
1406 |
case BCM5600_SCHAN_CMD_WRITE_MII: |
1407 |
bcm5600_mii_write(d); |
1408 |
d->schan_cmd_res = 0x00048000; |
1409 |
break; |
1410 |
|
1411 |
case BCM5600_SCHAN_CMD_LINKSCAN: |
1412 |
d->schan_cmd_res = 0x0; |
1413 |
break; |
1414 |
|
1415 |
default: |
1416 |
#if DEBUG_UNKNOWN |
1417 |
BCM_LOG(d,"unknown s-chan command 0x%8.8x\n",cmd); |
1418 |
#endif |
1419 |
d->schan_cmd_res = 0xFFFFFFFF; |
1420 |
} |
1421 |
} |
1422 |
|
1423 |
/* |
1424 |
* dev_bcm5605_access() |
1425 |
*/ |
1426 |
void *dev_bcm5605_access(cpu_gen_t *cpu,struct vdevice *dev,m_uint32_t offset, |
1427 |
u_int op_size,u_int op_type,m_uint64_t *data) |
1428 |
{ |
1429 |
struct nm_16esw_data *d = dev->priv_data; |
1430 |
u_int reg; |
1431 |
|
1432 |
if (op_type == MTS_READ) |
1433 |
*data = 0; |
1434 |
|
1435 |
#if DEBUG_ACCESS |
1436 |
if (op_type == MTS_READ) { |
1437 |
BCM_LOG(d,"read access to offset=0x%x, pc=0x%llx\n", |
1438 |
offset,cpu_get_pc(cpu)); |
1439 |
} else { |
1440 |
BCM_LOG(d,"write access to offset=0x%x, pc=0x%llx, val=0x%llx\n", |
1441 |
offset,cpu_get_pc(cpu),*data); |
1442 |
} |
1443 |
#endif |
1444 |
|
1445 |
BCM_LOCK(d); |
1446 |
|
1447 |
switch(offset) { |
1448 |
case 0x50: |
1449 |
if (op_type == MTS_WRITE) { |
1450 |
bcm5600_handle_schan_cmd(d,*data); |
1451 |
} else { |
1452 |
*data = d->schan_cmd_res; |
1453 |
} |
1454 |
break; |
1455 |
|
1456 |
case 0x140: |
1457 |
if (op_type == MTS_READ) |
1458 |
*data = bcm5600_mii_port_status_bmp(d); |
1459 |
break; |
1460 |
|
1461 |
/* MII input register */ |
1462 |
case 0x158: |
1463 |
if (op_type == MTS_WRITE) |
1464 |
d->mii_input = *data; |
1465 |
break; |
1466 |
|
1467 |
/* MII output register */ |
1468 |
case 0x15c: |
1469 |
if (op_type == MTS_READ) |
1470 |
*data = d->mii_output; |
1471 |
break; |
1472 |
|
1473 |
/* Unknown (related to RX/TX rings ?) */ |
1474 |
case 0x104: |
1475 |
break; |
1476 |
|
1477 |
/* TX ring address */ |
1478 |
case 0x110: |
1479 |
if (op_type == MTS_READ) |
1480 |
*data = d->tx_ring_addr; |
1481 |
else { |
1482 |
d->tx_ring_addr = d->tx_current = *data; |
1483 |
d->tx_end_scan = 0; |
1484 |
#if DEBUG_TRANSMIT |
1485 |
BCM_LOG(d,"tx_ring_addr = 0x%8.8x\n",d->tx_ring_addr); |
1486 |
#endif |
1487 |
} |
1488 |
break; |
1489 |
|
1490 |
/* RX ring address */ |
1491 |
case 0x114: |
1492 |
if (op_type == MTS_READ) |
1493 |
*data = d->rx_ring_addr; |
1494 |
else { |
1495 |
d->rx_ring_addr = d->rx_current = *data; |
1496 |
d->rx_end_scan = 0; |
1497 |
#if DEBUG_RECEIVE |
1498 |
BCM_LOG(d,"rx_ring_addr = 0x%8.8x\n",d->rx_ring_addr); |
1499 |
#endif |
1500 |
} |
1501 |
break; |
1502 |
|
1503 |
/* Interrupt status */ |
1504 |
case 0x144: |
1505 |
if (op_type == MTS_READ) { |
1506 |
*data = 0; |
1507 |
|
1508 |
/* RX/TX underrun (end of rings reached) */ |
1509 |
if (d->tx_end_scan) |
1510 |
*data |= BCM5600_INTR_TX_UNDERRUN; |
1511 |
|
1512 |
if (d->rx_end_scan) |
1513 |
*data |= BCM5600_INTR_RX_UNDERRUN; |
1514 |
|
1515 |
/* RX packet available */ |
1516 |
*data |= BCM5600_INTR_RX_AVAIL; |
1517 |
|
1518 |
/* Link status changed */ |
1519 |
if (d->mii_intr) { |
1520 |
*data |= BCM5600_INTR_LINKSTAT_MOD; |
1521 |
d->mii_intr = FALSE; |
1522 |
} |
1523 |
|
1524 |
pci_dev_clear_irq(d->vm,d->pci_dev); |
1525 |
} |
1526 |
break; |
1527 |
|
1528 |
/* Interrupt mask */ |
1529 |
case 0x148: |
1530 |
if (op_type == MTS_READ) |
1531 |
*data = d->intr_mask; |
1532 |
else |
1533 |
d->intr_mask = *data; |
1534 |
break; |
1535 |
|
1536 |
/* Data Words */ |
1537 |
case 0x800 ... 0x850: |
1538 |
reg = (offset - 0x800) >> 2; |
1539 |
|
1540 |
if (op_type == MTS_READ) |
1541 |
*data = d->dw[reg]; |
1542 |
else |
1543 |
d->dw[reg] = *data; |
1544 |
break; |
1545 |
|
1546 |
#if DEBUG_UNKNOWN |
1547 |
/* Unknown offset */ |
1548 |
default: |
1549 |
if (op_type == MTS_READ) { |
1550 |
BCM_LOG(d,"read from unknown addr 0x%x, pc=0x%llx (size=%u)\n", |
1551 |
offset,cpu_get_pc(cpu),op_size); |
1552 |
} else { |
1553 |
BCM_LOG(d,"write to unknown addr 0x%x, value=0x%llx, " |
1554 |
"pc=0x%llx (size=%u)\n", |
1555 |
offset,*data,cpu_get_pc(cpu),op_size); |
1556 |
} |
1557 |
#endif |
1558 |
} |
1559 |
|
1560 |
BCM_UNLOCK(d); |
1561 |
return NULL; |
1562 |
} |
1563 |
|
1564 |
/* Show mirroring status */ |
1565 |
static int bcm5600_mirror_show_status(struct nm_16esw_data *d) |
1566 |
{ |
1567 |
m_uint32_t *port,dst_port; |
1568 |
int i; |
1569 |
|
1570 |
printf("Mirroring status: "); |
1571 |
|
1572 |
if (!(d->mirror_dst_port & BCM5600_MIRROR_ENABLE)) { |
1573 |
printf("disabled.\n\n"); |
1574 |
return(FALSE); |
1575 |
} |
1576 |
|
1577 |
printf("enabled. Dest port: "); |
1578 |
|
1579 |
dst_port = d->mirror_dst_port & BCM5600_MIRROR_PORT_MASK; |
1580 |
|
1581 |
if (dst_port < 32) |
1582 |
printf("%s\n",d->ports[dst_port].name); |
1583 |
else |
1584 |
printf("none set.\n"); |
1585 |
|
1586 |
/* Ingress info */ |
1587 |
printf(" Ingress Ports: "); |
1588 |
|
1589 |
for(i=0;i<d->nr_port;i++) { |
1590 |
port = bcm5600_table_get_entry(d,d->t_ptable,i); |
1591 |
if (port[1] & BCM5600_PTABLE_MI_FLAG) |
1592 |
printf("%s ",d->ports[i].name); |
1593 |
} |
1594 |
|
1595 |
printf("\n"); |
1596 |
|
1597 |
/* Egress info */ |
1598 |
printf(" Egress Ports: "); |
1599 |
|
1600 |
for(i=0;i<d->nr_port;i++) |
1601 |
if (d->mirror_egress_ports & (1 << i)) |
1602 |
printf("%s ",d->ports[i].name); |
1603 |
|
1604 |
printf("\n\n"); |
1605 |
return(TRUE); |
1606 |
} |
1607 |
|
1608 |
/* Mirror a packet */ |
1609 |
static int bcm5600_mirror_pkt(struct nm_16esw_data *d,struct bcm5600_pkt *p, |
1610 |
int reason) |
1611 |
{ |
1612 |
u_int mport; |
1613 |
|
1614 |
if (!(d->mirror_dst_port & BCM5600_MIRROR_ENABLE)) |
1615 |
return(FALSE); |
1616 |
|
1617 |
#if DEBUG_MIRROR |
1618 |
if (reason == 0) { |
1619 |
BCM_LOG(d,"mirroring packet on ingress port %s\n", |
1620 |
d->ports[p->ingress_port]); |
1621 |
} else { |
1622 |
BCM_LOG(d,"mirroring packet on egress port (input port %s)\n", |
1623 |
d->ports[p->ingress_port]); |
1624 |
} |
1625 |
mem_dump(d->vm->log_fd,pkt,pkt_len); |
1626 |
#endif |
1627 |
|
1628 |
mport = d->mirror_dst_port & BCM5600_MIRROR_PORT_MASK; |
1629 |
if (mport < 32) |
1630 |
netio_send(d->ports[mport].nio,p->pkt,p->pkt_len); |
1631 |
return(TRUE); |
1632 |
} |
1633 |
|
1634 |
/* Put a packet into the RX ring (tag it if necessary) */ |
1635 |
static int bcm5600_send_pkt_to_cpu(struct nm_16esw_data *d, |
1636 |
struct bcm5600_pkt *p) |
1637 |
{ |
1638 |
m_uint32_t pkt_addr,pkt_len,dot1q_data; |
1639 |
|
1640 |
/* If the packet was already sent to CPU, don't send it again */ |
1641 |
if (p->sent_to_cpu) |
1642 |
return(FALSE); |
1643 |
|
1644 |
pkt_addr = p->rdes[0]; |
1645 |
pkt_len = p->pkt_len; |
1646 |
|
1647 |
if (p->orig_vlan != -1) { |
1648 |
/* 802.1Q packet: copy it directly */ |
1649 |
physmem_copy_to_vm(d->vm,p->pkt,pkt_addr,pkt_len); |
1650 |
} else { |
1651 |
/* untagged packet: copy the dst and src addresses first */ |
1652 |
physmem_copy_to_vm(d->vm,p->pkt,pkt_addr,N_ETH_HLEN - 2); |
1653 |
|
1654 |
/* add the 802.1Q protocol field (0x8100) + VLAN info */ |
1655 |
dot1q_data = (N_ETH_PROTO_DOT1Q << 16) | p->real_vlan; |
1656 |
physmem_copy_u32_to_vm(d->vm,pkt_addr+N_ETH_HLEN-2,dot1q_data); |
1657 |
|
1658 |
/* copy the payload */ |
1659 |
physmem_copy_to_vm(d->vm,p->pkt+N_ETH_HLEN-2, |
1660 |
pkt_addr+sizeof(n_eth_dot1q_hdr_t), |
1661 |
pkt_len - (N_ETH_HLEN - 2)); |
1662 |
pkt_len += 4; |
1663 |
} |
1664 |
|
1665 |
physmem_copy_u32_to_vm(d->vm,d->rx_current+0x14,0x40000000 + (pkt_len+4)); |
1666 |
physmem_copy_u32_to_vm(d->vm,d->rx_current+0x18,0x100 + p->ingress_port); |
1667 |
p->sent_to_cpu = TRUE; |
1668 |
|
1669 |
#if DEBUG_RECEIVE |
1670 |
BCM_LOG(d,"sending packet to CPU (orig_vlan=%d).\n",p->orig_vlan); |
1671 |
#endif |
1672 |
return(TRUE); |
1673 |
} |
1674 |
|
1675 |
/* Source MAC address learning */ |
1676 |
static int bcm5600_src_mac_learning(struct nm_16esw_data *d, |
1677 |
struct bcm5600_pkt *p) |
1678 |
{ |
1679 |
n_eth_hdr_t *eth_hdr = (n_eth_hdr_t *)p->pkt; |
1680 |
n_eth_addr_t *src_mac = ð_hdr->saddr; |
1681 |
m_uint32_t *arl_entry,*src_port,*trunk; |
1682 |
u_int trunk_id,old_ingress_port; |
1683 |
int src_mac_index; |
1684 |
|
1685 |
trunk = NULL; |
1686 |
trunk_id = 0; |
1687 |
|
1688 |
/* Skip multicast sources */ |
1689 |
if (eth_addr_is_mcast(src_mac)) |
1690 |
return(FALSE); |
1691 |
|
1692 |
src_port = bcm5600_table_get_entry(d,d->t_ptable,p->ingress_port); |
1693 |
assert(src_port != NULL); |
1694 |
|
1695 |
/* |
1696 |
* The packet comes from a trunk port. Prevent sending the packet |
1697 |
* to the other ports of the trunk. |
1698 |
*/ |
1699 |
if (src_port[0] & BCM5600_PTABLE_TRUNK_FLAG) { |
1700 |
trunk_id = src_port[0] & BCM5600_PTABLE_TGID_MASK; |
1701 |
trunk_id >>= BCM5600_PTABLE_TGID_SHIFT; |
1702 |
|
1703 |
trunk = bcm5600_table_get_entry(d,d->t_tbmap,trunk_id); |
1704 |
assert(trunk != NULL); |
1705 |
|
1706 |
p->egress_filter_bitmap |= trunk[0] & BCM5600_TBMAP_MASK; |
1707 |
} |
1708 |
|
1709 |
/* Source MAC address learning */ |
1710 |
src_mac_index = bcm5600_arl_lookup(d,src_mac,p->real_vlan); |
1711 |
|
1712 |
if (src_mac_index != -1) { |
1713 |
arl_entry = bcm5600_table_get_entry(d,d->t_arl,src_mac_index); |
1714 |
assert(arl_entry != NULL); |
1715 |
|
1716 |
old_ingress_port = arl_entry[2] & BCM5600_ARL_PORT_MASK; |
1717 |
old_ingress_port >>= BCM5600_ARL_PORT_SHIFT; |
1718 |
|
1719 |
if (old_ingress_port != p->ingress_port) |
1720 |
{ |
1721 |
/* |
1722 |
* Determine if we have a station movement. |
1723 |
* If we have a trunk, check if the old ingress port is member |
1724 |
* of this trunk, in this case this is not a movement. |
1725 |
*/ |
1726 |
if (trunk != NULL) { |
1727 |
if (trunk[0] & (1 << old_ingress_port)) |
1728 |
arl_entry[2] |= BCM5600_ARL_HIT_FLAG; |
1729 |
else |
1730 |
arl_entry[2] &= ~BCM5600_ARL_HIT_FLAG; |
1731 |
} else { |
1732 |
arl_entry[2] &= ~(BCM5600_ARL_TRUNK_FLAG|BCM5600_ARL_HIT_FLAG); |
1733 |
arl_entry[2] &= ~BCM5600_ARL_TGID_MASK; |
1734 |
} |
1735 |
|
1736 |
/* Change the ingress port */ |
1737 |
arl_entry[2] &= ~BCM5600_ARL_PORT_MASK; |
1738 |
arl_entry[2] |= p->ingress_port << BCM5600_ARL_PORT_SHIFT; |
1739 |
return(TRUE); |
1740 |
} |
1741 |
|
1742 |
arl_entry[2] |= BCM5600_ARL_HIT_FLAG; |
1743 |
return(TRUE); |
1744 |
} |
1745 |
|
1746 |
#if DEBUG_FORWARD |
1747 |
BCM_LOG(d,"source MAC address unknown, learning it.\n"); |
1748 |
#endif |
1749 |
|
1750 |
/* Add the new learned MAC address */ |
1751 |
src_mac_index = bcm5600_find_free_arl_entry(d); |
1752 |
|
1753 |
if (src_mac_index == -1) { |
1754 |
BCM_LOG(d,"no free entries in ARL table!\n"); |
1755 |
return(FALSE); |
1756 |
} |
1757 |
|
1758 |
arl_entry = bcm5600_table_get_entry(d,d->t_arl,src_mac_index); |
1759 |
assert(arl_entry != NULL); |
1760 |
|
1761 |
/* Fill the new ARL entry */ |
1762 |
arl_entry[0] = src_mac->eth_addr_byte[2] << 24; |
1763 |
arl_entry[0] |= src_mac->eth_addr_byte[3] << 16; |
1764 |
arl_entry[0] |= src_mac->eth_addr_byte[4] << 8; |
1765 |
arl_entry[0] |= src_mac->eth_addr_byte[5]; |
1766 |
|
1767 |
arl_entry[1] = src_mac->eth_addr_byte[0] << 8; |
1768 |
arl_entry[1] |= src_mac->eth_addr_byte[1]; |
1769 |
arl_entry[1] |= p->real_vlan << BCM5600_ARL_VLAN_TAG_SHIFT; |
1770 |
|
1771 |
arl_entry[2] = BCM5600_ARL_HIT_FLAG; |
1772 |
arl_entry[2] |= p->ingress_port << BCM5600_ARL_PORT_SHIFT; |
1773 |
|
1774 |
if (trunk != NULL) { |
1775 |
arl_entry[2] |= BCM5600_ARL_TRUNK_FLAG; |
1776 |
arl_entry[2] |= (trunk_id << BCM5600_ARL_TGID_SHIFT); |
1777 |
} |
1778 |
|
1779 |
d->arl_cnt[0]++; |
1780 |
return(TRUE); |
1781 |
} |
1782 |
|
1783 |
/* Select an egress port the specified trunk */ |
1784 |
static int bcm5600_trunk_egress_port(struct nm_16esw_data *d, |
1785 |
struct bcm5600_pkt *p, |
1786 |
u_int trunk_id) |
1787 |
{ |
1788 |
n_eth_hdr_t *eth_hdr = (n_eth_hdr_t *)p->pkt; |
1789 |
struct bcm5600_tg_info *tgi; |
1790 |
m_uint32_t *ttr_entry; |
1791 |
u_int i,nr_links; |
1792 |
u_int hash,port_id; |
1793 |
|
1794 |
ttr_entry = bcm5600_table_get_entry(d,d->t_ttr,trunk_id); |
1795 |
assert(ttr_entry != NULL); |
1796 |
|
1797 |
nr_links = ttr_entry[1] & BCM5600_TTR_TG_SIZE_MASK; |
1798 |
nr_links >>= BCM5600_TTR_TG_SIZE_SHIFT; |
1799 |
|
1800 |
#if 0 |
1801 |
/* Hash on source and destination MAC addresses */ |
1802 |
for(i=0,hash=0;i<N_ETH_ALEN;i++) { |
1803 |
hash ^= eth_hdr->saddr.eth_addr_byte[i]; |
1804 |
hash ^= eth_hdr->daddr.eth_addr_byte[i]; |
1805 |
} |
1806 |
|
1807 |
hash ^= (hash >> 4); |
1808 |
port_id = hash % nr_links; |
1809 |
|
1810 |
/* Maximum of 8 ports per trunk */ |
1811 |
assert(hash < BCM5600_MAX_PORTS_PER_TRUNK); |
1812 |
#else |
1813 |
port_id = d->trunk_last_egress_port[trunk_id] + 1; |
1814 |
port_id %= nr_links; |
1815 |
#endif |
1816 |
|
1817 |
/* Save the latest port used for this trunk */ |
1818 |
d->trunk_last_egress_port[trunk_id] = port_id; |
1819 |
|
1820 |
/* Select the egress port */ |
1821 |
tgi = &tg_info[port_id]; |
1822 |
return((ttr_entry[tgi->index] & tgi->mask) >> tgi->shift); |
1823 |
} |
1824 |
|
1825 |
/* Destination address lookup (take the forwarding decision) */ |
1826 |
static int bcm5600_dst_mac_lookup(struct nm_16esw_data *d, |
1827 |
struct bcm5600_pkt *p) |
1828 |
{ |
1829 |
n_eth_hdr_t *eth_hdr = (n_eth_hdr_t *)p->pkt; |
1830 |
n_eth_addr_t *dst_mac = ð_hdr->daddr; |
1831 |
struct bcm5600_table *arl_table; |
1832 |
m_uint32_t *arl_entry; |
1833 |
u_int egress_port; |
1834 |
u_int trunk_id; |
1835 |
int dst_mac_index; |
1836 |
int is_mcast; |
1837 |
|
1838 |
/* Select the appropriate ARL table and do the lookup on dst MAC + VLAN */ |
1839 |
if (eth_addr_is_mcast(dst_mac)) { |
1840 |
is_mcast = TRUE; |
1841 |
arl_table = d->t_marl; |
1842 |
dst_mac_index = bcm5600_marl_lookup(d,dst_mac,p->real_vlan); |
1843 |
} else { |
1844 |
is_mcast = FALSE; |
1845 |
arl_table = d->t_arl; |
1846 |
dst_mac_index = bcm5600_arl_lookup(d,dst_mac,p->real_vlan); |
1847 |
} |
1848 |
|
1849 |
/* |
1850 |
* Destination Lookup Failure (DLF). |
1851 |
* |
1852 |
* Use the VLAN bitmap to compute the Egress port bitmap. |
1853 |
* Remove the ingress port from it. |
1854 |
*/ |
1855 |
if (dst_mac_index == -1) { |
1856 |
#if DEBUG_FORWARD |
1857 |
BCM_LOG(d,"Destination MAC address " |
1858 |
"%2.2x%2.2x.%2.2x%2.2x.%2.2x%2.2x unknown, flooding.\n", |
1859 |
dst_mac->eth_addr_byte[0],dst_mac->eth_addr_byte[1], |
1860 |
dst_mac->eth_addr_byte[2],dst_mac->eth_addr_byte[3], |
1861 |
dst_mac->eth_addr_byte[4],dst_mac->eth_addr_byte[5]); |
1862 |
#endif |
1863 |
p->egress_bitmap = p->vlan_entry[1] & BCM5600_VTABLE_PORT_BMAP_MASK; |
1864 |
|
1865 |
/* Add the CPU to the egress ports */ |
1866 |
p->egress_bitmap |= 1 << d->cpu_port; |
1867 |
|
1868 |
p->egress_ut_bitmap = p->vlan_entry[2]; |
1869 |
p->egress_ut_bitmap &= BCM5600_VTABLE_UT_PORT_BMAP_MASK; |
1870 |
return(TRUE); |
1871 |
} |
1872 |
|
1873 |
/* The MAC address was found in the ARL/MARL table */ |
1874 |
arl_entry = bcm5600_table_get_entry(d,arl_table,dst_mac_index); |
1875 |
assert(arl_entry != NULL); |
1876 |
|
1877 |
/* If the CPU bit is set, send a copy of the packet to the CPU */ |
1878 |
if (arl_entry[1] & BCM5600_ARL_CPU_FLAG) |
1879 |
bcm5600_send_pkt_to_cpu(d,p); |
1880 |
|
1881 |
if (!is_mcast) { |
1882 |
/* Unicast: send the packet to the port or trunk found in ARL table */ |
1883 |
if (arl_entry[2] & BCM5600_ARL_TRUNK_FLAG) { |
1884 |
trunk_id = arl_entry[2] & BCM5600_ARL_TGID_MASK; |
1885 |
trunk_id >>= BCM5600_ARL_TGID_SHIFT; |
1886 |
|
1887 |
/* Select an output port for this trunk */ |
1888 |
egress_port = bcm5600_trunk_egress_port(d,p,trunk_id); |
1889 |
|
1890 |
#if DEBUG_FORWARD |
1891 |
BCM_LOG(d,"Sending packet to trunk port %u, egress port %u\n", |
1892 |
trunk_id,egress_port); |
1893 |
#endif |
1894 |
} else { |
1895 |
egress_port = arl_entry[2] & BCM5600_ARL_PORT_MASK; |
1896 |
egress_port >>= BCM5600_ARL_PORT_SHIFT; |
1897 |
} |
1898 |
|
1899 |
p->egress_bitmap = 1 << egress_port; |
1900 |
p->egress_ut_bitmap = p->vlan_entry[2] & |
1901 |
BCM5600_VTABLE_UT_PORT_BMAP_MASK; |
1902 |
} else { |
1903 |
/* Multicast: send the packet to the egress ports found in MARL table */ |
1904 |
p->egress_bitmap = arl_entry[2] & BCM5600_MARL_PORT_BMAP_MASK; |
1905 |
p->egress_ut_bitmap = arl_entry[3] & BCM5600_MARL_UT_PORT_BMAP_MASK; |
1906 |
} |
1907 |
|
1908 |
#if DEBUG_FORWARD |
1909 |
{ |
1910 |
char buffer[1024]; |
1911 |
|
1912 |
BCM_LOG(d,"bitmap: 0x%8.8x, filter: 0x%8.8x\n", |
1913 |
p->egress_bitmap,p->egress_filter_bitmap); |
1914 |
|
1915 |
bcm5600_port_bitmap_str(d,buffer,p->egress_bitmap); |
1916 |
|
1917 |
/* without egress port filtering */ |
1918 |
if (*buffer) |
1919 |
BCM_LOG(d,"forwarding to egress port list w/o filter: %s\n",buffer); |
1920 |
else |
1921 |
BCM_LOG(d,"w/o filter: empty egress port list.\n"); |
1922 |
|
1923 |
/* with egress port filtering */ |
1924 |
bcm5600_port_bitmap_str(d,buffer, |
1925 |
p->egress_bitmap & ~p->egress_filter_bitmap); |
1926 |
|
1927 |
if (*buffer) |
1928 |
BCM_LOG(d,"forwarding to egress port list w/ filter: %s\n",buffer); |
1929 |
} |
1930 |
#endif |
1931 |
|
1932 |
return(p->egress_bitmap != 0); |
1933 |
} |
1934 |
|
1935 |
/* Prototype for a packet sending function */ |
1936 |
typedef void (*bcm5600_send_pkt_t)(struct nm_16esw_data *d, |
1937 |
struct bcm5600_pkt *p, |
1938 |
netio_desc_t *nio); |
1939 |
|
1940 |
/* Directly forward a packet (not rewritten) */ |
1941 |
static void bcm5600_send_pkt_direct(struct nm_16esw_data *d, |
1942 |
struct bcm5600_pkt *p, |
1943 |
netio_desc_t *nio) |
1944 |
{ |
1945 |
netio_send(nio,p->pkt,p->pkt_len); |
1946 |
} |
1947 |
|
1948 |
/* Send a packet with a 802.1Q tag */ |
1949 |
static void bcm5600_send_pkt_push_dot1q(struct nm_16esw_data *d, |
1950 |
struct bcm5600_pkt *p, |
1951 |
netio_desc_t *nio) |
1952 |
{ |
1953 |
n_eth_dot1q_hdr_t *hdr; |
1954 |
|
1955 |
if (!p->rewrite_done) { |
1956 |
memcpy(p->rewr_pkt,p->pkt,(N_ETH_HLEN - 2)); |
1957 |
|
1958 |
hdr = (n_eth_dot1q_hdr_t *)p->rewr_pkt; |
1959 |
hdr->type = htons(N_ETH_PROTO_DOT1Q); |
1960 |
hdr->vlan_id = htons(p->real_vlan); |
1961 |
|
1962 |
memcpy(p->rewr_pkt + sizeof(n_eth_dot1q_hdr_t), |
1963 |
p->pkt + (N_ETH_HLEN - 2), |
1964 |
p->pkt_len - (N_ETH_HLEN - 2)); |
1965 |
|
1966 |
p->rewrite_done = TRUE; |
1967 |
} |
1968 |
|
1969 |
netio_send(nio,p->rewr_pkt,p->pkt_len+4); |
1970 |
} |
1971 |
|
1972 |
/* Send a packet deleting its 802.1Q tag */ |
1973 |
static void bcm5600_send_pkt_pop_dot1q(struct nm_16esw_data *d, |
1974 |
struct bcm5600_pkt *p, |
1975 |
netio_desc_t *nio) |
1976 |
{ |
1977 |
if (!p->rewrite_done) { |
1978 |
memcpy(p->rewr_pkt,p->pkt,(N_ETH_HLEN - 2)); |
1979 |
|
1980 |
memcpy(p->rewr_pkt + (N_ETH_HLEN - 2), |
1981 |
p->pkt + sizeof(n_eth_dot1q_hdr_t), |
1982 |
p->pkt_len - sizeof(n_eth_dot1q_hdr_t)); |
1983 |
|
1984 |
p->rewrite_done = TRUE; |
1985 |
} |
1986 |
|
1987 |
netio_send(nio,p->rewr_pkt,p->pkt_len-4); |
1988 |
} |
1989 |
|
1990 |
/* Forward a packet on physical ports (egress bitmap must be defined) */ |
1991 |
static int bcm5600_forward_pkt(struct nm_16esw_data *d,struct bcm5600_pkt *p) |
1992 |
{ |
1993 |
u_char rewr_pkt[BCM5600_MAX_PKT_SIZE]; |
1994 |
bcm5600_send_pkt_t send_pkt; |
1995 |
u_int egress_untagged,trunk_id; |
1996 |
m_uint32_t *dst_port,*trunk; |
1997 |
int i; |
1998 |
|
1999 |
p->egress_bitmap &= ~p->egress_filter_bitmap; |
2000 |
|
2001 |
if (!p->egress_bitmap) |
2002 |
return(FALSE); |
2003 |
|
2004 |
/* Process egress mirroring (if enabled) */ |
2005 |
if (p->egress_bitmap & d->mirror_egress_ports) |
2006 |
bcm5600_mirror_pkt(d,p,1); |
2007 |
|
2008 |
/* No rewrite done at this time */ |
2009 |
p->rewr_pkt = rewr_pkt; |
2010 |
p->rewrite_done = FALSE; |
2011 |
|
2012 |
/* Forward to CPU port ? */ |
2013 |
if (p->egress_bitmap & (1 << d->cpu_port)) |
2014 |
bcm5600_send_pkt_to_cpu(d,p); |
2015 |
|
2016 |
for(i=0;i<d->nr_port;i++) { |
2017 |
if (!(p->egress_bitmap & (1 << i))) |
2018 |
continue; |
2019 |
|
2020 |
/* |
2021 |
* If this port is a member of a trunk, remove all other ports to avoid |
2022 |
* duplicate frames (typically, when a dest MAC address is unknown |
2023 |
* or for a broadcast/multicast). |
2024 |
*/ |
2025 |
dst_port = bcm5600_table_get_entry(d,d->t_ptable,i); |
2026 |
assert(dst_port != NULL); |
2027 |
|
2028 |
if (dst_port[0] & BCM5600_PTABLE_TRUNK_FLAG) { |
2029 |
trunk_id = dst_port[0] & BCM5600_PTABLE_TGID_MASK; |
2030 |
trunk_id >>= BCM5600_PTABLE_TGID_SHIFT; |
2031 |
|
2032 |
trunk = bcm5600_table_get_entry(d,d->t_tbmap,trunk_id); |
2033 |
assert(trunk != NULL); |
2034 |
|
2035 |
p->egress_bitmap &= ~trunk[0]; |
2036 |
} |
2037 |
|
2038 |
/* select the appropriate output vector */ |
2039 |
if (p->orig_vlan == 0) |
2040 |
send_pkt = bcm5600_send_pkt_direct; |
2041 |
else { |
2042 |
egress_untagged = p->egress_ut_bitmap & (1 << i); |
2043 |
|
2044 |
if (p->orig_vlan == -1) { |
2045 |
/* Untagged packet */ |
2046 |
if (egress_untagged) |
2047 |
send_pkt = bcm5600_send_pkt_direct; |
2048 |
else |
2049 |
send_pkt = bcm5600_send_pkt_push_dot1q; |
2050 |
} else { |
2051 |
/* Tagged packet */ |
2052 |
if (egress_untagged) |
2053 |
send_pkt = bcm5600_send_pkt_pop_dot1q; |
2054 |
else |
2055 |
send_pkt = bcm5600_send_pkt_direct; |
2056 |
} |
2057 |
} |
2058 |
|
2059 |
#if DEBUG_FORWARD > 1 |
2060 |
BCM_LOG(d,"forwarding on port %s (vector=%p)\n", |
2061 |
d->ports[i].name,send_pkt); |
2062 |
#endif |
2063 |
send_pkt(d,p,d->ports[i].nio); |
2064 |
} |
2065 |
|
2066 |
return(TRUE); |
2067 |
} |
2068 |
|
2069 |
/* Determine if the specified MAC address matches a BPDU */ |
2070 |
static inline int bcm5600_is_bpdu(n_eth_addr_t *m) |
2071 |
{ |
2072 |
/* PVST+ */ |
2073 |
if (!memcmp(m,"\x01\x00\x0c\xcc\xcc\xcd",6)) |
2074 |
return(TRUE); |
2075 |
|
2076 |
/* Classical 802.1D */ |
2077 |
if (!memcmp(m,"\x01\x80\xc2\x00\x00",5) && !(m->eth_addr_byte[5] & 0xF0)) |
2078 |
return(TRUE); |
2079 |
|
2080 |
/* |
2081 |
* CDP: this is cleary a hack, but IOS seems to program this address |
2082 |
* in BPDU registers. |
2083 |
*/ |
2084 |
if (!memcmp(m,"\x01\x00\x0c\xcc\xcc\xcc",6)) |
2085 |
return(TRUE); |
2086 |
|
2087 |
return(FALSE); |
2088 |
} |
2089 |
|
2090 |
/* Handle a received packet */ |
2091 |
static int bcm5600_handle_rx_pkt(struct nm_16esw_data *d,struct bcm5600_pkt *p) |
2092 |
{ |
2093 |
m_uint32_t *port_entry; |
2094 |
n_eth_dot1q_hdr_t *eth_hdr; |
2095 |
u_int discard; |
2096 |
|
2097 |
/* No egress port at this time */ |
2098 |
p->egress_bitmap = 0; |
2099 |
|
2100 |
/* Never send back frames to the source port */ |
2101 |
p->egress_filter_bitmap = 1 << p->ingress_port; |
2102 |
|
2103 |
if (!(port_entry = bcm5600_table_get_entry(d,d->t_ptable,p->ingress_port))) |
2104 |
return(FALSE); |
2105 |
|
2106 |
/* Analyze the Ethernet header */ |
2107 |
eth_hdr = (n_eth_dot1q_hdr_t *)p->pkt; |
2108 |
|
2109 |
/* Determine VLAN */ |
2110 |
if (ntohs(eth_hdr->type) != N_ETH_PROTO_DOT1Q) { |
2111 |
p->orig_vlan = -1; |
2112 |
p->real_vlan = port_entry[0] & BCM5600_PTABLE_VLAN_TAG_MASK; |
2113 |
|
2114 |
/* TODO: 802.1p/CoS remarking */ |
2115 |
if (port_entry[4] & BCM5600_PTABLE_RPE_FLAG) { |
2116 |
} |
2117 |
} else { |
2118 |
p->orig_vlan = p->real_vlan = ntohs(eth_hdr->vlan_id) & 0xFFF; |
2119 |
} |
2120 |
|
2121 |
/* Check that this VLAN exists */ |
2122 |
if (!(p->vlan_entry = bcm5600_vtable_get_entry_by_vlan(d,p->real_vlan))) |
2123 |
return(FALSE); |
2124 |
|
2125 |
/* Check for the reserved addresses (BPDU for spanning-tree) */ |
2126 |
if (bcm5600_is_bpdu(ð_hdr->daddr)) { |
2127 |
#if DEBUG_RECEIVE |
2128 |
BCM_LOG(d,"Received a BPDU packet:\n"); |
2129 |
mem_dump(d->vm->log_fd,p->pkt,p->pkt_len); |
2130 |
#endif |
2131 |
p->egress_bitmap |= 1 << d->cpu_port; |
2132 |
return(bcm5600_forward_pkt(d,p)); |
2133 |
} |
2134 |
|
2135 |
/* Check that this port is a member of this VLAN */ |
2136 |
if (!(p->vlan_entry[1] & (1 << p->ingress_port))) |
2137 |
return(FALSE); |
2138 |
|
2139 |
/* Discard packet ? */ |
2140 |
discard = port_entry[0] & BCM5600_PTABLE_PRT_DIS_MASK; |
2141 |
discard >>= BCM5600_PTABLE_PRT_DIS_SHIFT; |
2142 |
|
2143 |
if ((p->orig_vlan == -1) && discard) { |
2144 |
if (discard != 0x20) { |
2145 |
printf("\n\n\n" |
2146 |
"-----------------------------------------------------------" |
2147 |
"---------------------------------\n" |
2148 |
"Unspported feature: please post your current configuration " |
2149 |
"on http://www.ipflow.utc.fr/blog/\n" |
2150 |
"-----------------------------------------------------------" |
2151 |
"---------------------------------\n"); |
2152 |
} |
2153 |
|
2154 |
/* Drop the packet */ |
2155 |
return(FALSE); |
2156 |
} |
2157 |
|
2158 |
/* Mirroring on Ingress ? */ |
2159 |
if (port_entry[1] & BCM5600_PTABLE_MI_FLAG) |
2160 |
bcm5600_mirror_pkt(d,p,0); |
2161 |
|
2162 |
#if DEBUG_RECEIVE |
2163 |
BCM_LOG(d,"%s: received a packet on VLAN %u\n", |
2164 |
d->ports[p->ingress_port].name,p->real_vlan); |
2165 |
#endif |
2166 |
|
2167 |
/* Source MAC address learning */ |
2168 |
if (!bcm5600_src_mac_learning(d,p)) |
2169 |
return(FALSE); |
2170 |
|
2171 |
/* Take forwarding decision based on destination MAC address */ |
2172 |
if (!bcm5600_dst_mac_lookup(d,p)) |
2173 |
return(FALSE); |
2174 |
|
2175 |
/* Send the packet to the egress ports */ |
2176 |
return(bcm5600_forward_pkt(d,p)); |
2177 |
} |
2178 |
|
2179 |
/* Handle a packet to transmit */ |
2180 |
static int bcm5600_handle_tx_pkt(struct nm_16esw_data *d, |
2181 |
struct bcm5600_pkt *p, |
2182 |
u_int egress_bitmap) |
2183 |
{ |
2184 |
n_eth_dot1q_hdr_t *eth_hdr; |
2185 |
|
2186 |
/* Never send back frames to the source port */ |
2187 |
p->egress_filter_bitmap = 1 << p->ingress_port; |
2188 |
|
2189 |
/* We take the complete forwarding decision if bit 23 is set */ |
2190 |
if (egress_bitmap & (1 << 23)) { |
2191 |
/* No egress port at this time */ |
2192 |
p->egress_bitmap = 0; |
2193 |
|
2194 |
/* The packet must be tagged so that we can determine the VLAN */ |
2195 |
eth_hdr = (n_eth_dot1q_hdr_t *)p->pkt; |
2196 |
|
2197 |
if (ntohs(eth_hdr->type) != N_ETH_PROTO_DOT1Q) { |
2198 |
BCM_LOG(d,"bcm5600_handle_tx_pkt: untagged packet ?\n"); |
2199 |
return(FALSE); |
2200 |
} |
2201 |
|
2202 |
/* Find the appropriate, check it exists (just in case) */ |
2203 |
p->orig_vlan = p->real_vlan = ntohs(eth_hdr->vlan_id) & 0xFFF; |
2204 |
|
2205 |
if (!(p->vlan_entry = bcm5600_vtable_get_entry_by_vlan(d,p->real_vlan))) |
2206 |
return(FALSE); |
2207 |
|
2208 |
#if DEBUG_TRANSMIT |
2209 |
BCM_LOG(d,"Transmitting a packet from TX ring to VLAN %u\n", |
2210 |
p->real_vlan); |
2211 |
#endif |
2212 |
|
2213 |
/* Take forwarding decision based on destination MAC address */ |
2214 |
if (!bcm5600_dst_mac_lookup(d,p)) |
2215 |
return(FALSE); |
2216 |
} else { |
2217 |
#if DEBUG_TRANSMIT |
2218 |
BCM_LOG(d,"Transmitting natively a packet from TX ring.\n"); |
2219 |
#endif |
2220 |
/* The egress ports are specified, send the packet natively */ |
2221 |
p->orig_vlan = 0; |
2222 |
p->egress_bitmap = egress_bitmap; |
2223 |
} |
2224 |
|
2225 |
/* Send the packet to the egress ports */ |
2226 |
return(bcm5600_forward_pkt(d,p)); |
2227 |
} |
2228 |
|
2229 |
/* Handle the TX ring */ |
2230 |
static int dev_bcm5600_handle_txring(struct nm_16esw_data *d) |
2231 |
{ |
2232 |
struct bcm5600_pkt pkt_data; |
2233 |
m_uint32_t tdes[4],txd_len; |
2234 |
|
2235 |
BCM_LOCK(d); |
2236 |
|
2237 |
if (!d->tx_current || d->tx_end_scan) { |
2238 |
BCM_UNLOCK(d); |
2239 |
return(FALSE); |
2240 |
} |
2241 |
|
2242 |
/* Read the current TX descriptor */ |
2243 |
physmem_copy_from_vm(d->vm,tdes,d->tx_current,4*sizeof(m_uint32_t)); |
2244 |
tdes[0] = vmtoh32(tdes[0]); |
2245 |
tdes[1] = vmtoh32(tdes[1]); |
2246 |
tdes[2] = vmtoh32(tdes[2]); |
2247 |
tdes[3] = vmtoh32(tdes[3]); |
2248 |
|
2249 |
#if DEBUG_TRANSMIT |
2250 |
BCM_LOG(d,"=== TRANSMIT PATH ===\n"); |
2251 |
|
2252 |
BCM_LOG(d,"tx_current=0x%8.8x, " |
2253 |
"tdes[0]=0x%8.8x, tdes[1]=0x%8.8x, tdes[2]=0x%8.8x\n", |
2254 |
d->tx_current,tdes[0],tdes[1],tdes[2]); |
2255 |
#endif |
2256 |
|
2257 |
/* Get the buffer size */ |
2258 |
txd_len = tdes[1] & 0x7FF; |
2259 |
|
2260 |
/* Check buffer size */ |
2261 |
if ((d->tx_bufsize + txd_len) >= sizeof(d->tx_buffer)) |
2262 |
goto done; |
2263 |
|
2264 |
/* Copy the packet from memory */ |
2265 |
physmem_copy_from_vm(d->vm,d->tx_buffer+d->tx_bufsize,tdes[0],txd_len); |
2266 |
d->tx_bufsize += txd_len; |
2267 |
|
2268 |
/* Packet not complete: handle it later */ |
2269 |
if (tdes[1] & BCM5600_TXD_NEOP) |
2270 |
goto done; |
2271 |
|
2272 |
#if DEBUG_TRANSMIT |
2273 |
mem_dump(d->vm->log_fd,d->tx_buffer,d->tx_bufsize); |
2274 |
#endif |
2275 |
|
2276 |
/* Transmit the packet */ |
2277 |
pkt_data.ingress_port = d->cpu_port; |
2278 |
pkt_data.pkt = d->tx_buffer; |
2279 |
pkt_data.pkt_len = d->tx_bufsize - 4; |
2280 |
pkt_data.sent_to_cpu = TRUE; |
2281 |
bcm5600_handle_tx_pkt(d,&pkt_data,tdes[2]); |
2282 |
|
2283 |
/* Reset the TX buffer (packet fully transmitted) */ |
2284 |
d->tx_bufsize = 0; |
2285 |
|
2286 |
done: |
2287 |
/* We have reached end of ring: trigger the TX underrun interrupt */ |
2288 |
if (!(tdes[1] & BCM5600_TXD_RING_CONT)) { |
2289 |
d->tx_end_scan = 1; |
2290 |
pci_dev_trigger_irq(d->vm,d->pci_dev); |
2291 |
BCM_UNLOCK(d); |
2292 |
return(TRUE); |
2293 |
} |
2294 |
|
2295 |
/* Go to the next descriptor */ |
2296 |
d->tx_current += BCM5600_TXD_SIZE; |
2297 |
BCM_UNLOCK(d); |
2298 |
return(TRUE); |
2299 |
} |
2300 |
|
2301 |
/* Handle the RX ring */ |
2302 |
static int dev_bcm5600_handle_rxring(netio_desc_t *nio, |
2303 |
u_char *pkt,ssize_t pkt_len, |
2304 |
struct nm_16esw_data *d, |
2305 |
struct bcm5600_port *port) |
2306 |
{ |
2307 |
struct bcm5600_pkt pkt_data; |
2308 |
m_uint32_t rxd_len; |
2309 |
|
2310 |
#if DEBUG_RECEIVE |
2311 |
BCM_LOG(d,"=== RECEIVE PATH ===\n"); |
2312 |
|
2313 |
BCM_LOG(d,"%s: received a packet of %ld bytes.\n", |
2314 |
port->name,(u_long)pkt_len); |
2315 |
mem_dump(d->vm->log_fd,pkt,pkt_len); |
2316 |
#endif |
2317 |
|
2318 |
BCM_LOCK(d); |
2319 |
|
2320 |
if (!d->rx_current || d->rx_end_scan) { |
2321 |
BCM_UNLOCK(d); |
2322 |
return(FALSE); |
2323 |
} |
2324 |
|
2325 |
/* Read the current TX descriptor */ |
2326 |
physmem_copy_from_vm(d->vm,pkt_data.rdes,d->rx_current, |
2327 |
(4 * sizeof(m_uint32_t))); |
2328 |
|
2329 |
pkt_data.rdes[0] = vmtoh32(pkt_data.rdes[0]); |
2330 |
pkt_data.rdes[1] = vmtoh32(pkt_data.rdes[1]); |
2331 |
pkt_data.rdes[2] = vmtoh32(pkt_data.rdes[2]); |
2332 |
pkt_data.rdes[3] = vmtoh32(pkt_data.rdes[3]); |
2333 |
|
2334 |
#if DEBUG_RECEIVE |
2335 |
BCM_LOG(d,"rx_current=0x%8.8x, " |
2336 |
"rdes[0]=0x%8.8x, rdes[1]=0x%8.8x, rdes[2]=0x%8.8x\n", |
2337 |
d->rx_current,pkt_data.rdes[0],pkt_data.rdes[1],pkt_data.rdes[2]); |
2338 |
#endif |
2339 |
|
2340 |
/* Get the buffer size */ |
2341 |
rxd_len = pkt_data.rdes[1] & 0x7FF; |
2342 |
|
2343 |
if (pkt_len > rxd_len) { |
2344 |
BCM_UNLOCK(d); |
2345 |
return(FALSE); |
2346 |
} |
2347 |
|
2348 |
/* Fill the packet info */ |
2349 |
pkt_data.ingress_port = port->id; |
2350 |
pkt_data.pkt = pkt; |
2351 |
pkt_data.pkt_len = pkt_len; |
2352 |
pkt_data.sent_to_cpu = FALSE; |
2353 |
|
2354 |
/* Handle the packet */ |
2355 |
bcm5600_handle_rx_pkt(d,&pkt_data); |
2356 |
|
2357 |
/* Signal only an interrupt when a packet has been sent to the CPU */ |
2358 |
if (pkt_data.sent_to_cpu) { |
2359 |
/* We have reached end of ring: trigger the RX underrun interrupt */ |
2360 |
if (!(pkt_data.rdes[1] & BCM5600_RXD_RING_CONT)) { |
2361 |
d->rx_end_scan = 1; |
2362 |
pci_dev_trigger_irq(d->vm,d->pci_dev); |
2363 |
BCM_UNLOCK(d); |
2364 |
return(TRUE); |
2365 |
} |
2366 |
|
2367 |
/* A packet was received */ |
2368 |
pci_dev_trigger_irq(d->vm,d->pci_dev); |
2369 |
|
2370 |
/* Go to the next descriptor */ |
2371 |
d->rx_current += BCM5600_RXD_SIZE; |
2372 |
} |
2373 |
|
2374 |
BCM_UNLOCK(d); |
2375 |
return(TRUE); |
2376 |
} |
2377 |
|
2378 |
/* pci_bcm5605_read() */ |
2379 |
static m_uint32_t pci_bcm5605_read(cpu_gen_t *cpu,struct pci_device *dev, |
2380 |
int reg) |
2381 |
{ |
2382 |
struct nm_16esw_data *d = dev->priv_data; |
2383 |
|
2384 |
switch(reg) { |
2385 |
case PCI_REG_BAR0: |
2386 |
return(d->dev->phys_addr); |
2387 |
default: |
2388 |
return(0); |
2389 |
} |
2390 |
} |
2391 |
|
2392 |
/* pci_bcm5605_write() */ |
2393 |
static void pci_bcm5605_write(cpu_gen_t *cpu,struct pci_device *dev, |
2394 |
int reg,m_uint32_t value) |
2395 |
{ |
2396 |
struct nm_16esw_data *d = dev->priv_data; |
2397 |
|
2398 |
switch(reg) { |
2399 |
case PCI_REG_BAR0: |
2400 |
vm_map_device(cpu->vm,d->dev,(m_uint64_t)value); |
2401 |
BCM_LOG(d,"BCM5600 registers are mapped at 0x%x\n",value); |
2402 |
break; |
2403 |
} |
2404 |
} |
2405 |
|
2406 |
/* Rewrite the base MAC address */ |
2407 |
int dev_nm_16esw_burn_mac_addr(vm_instance_t *vm,u_int nm_bay, |
2408 |
struct cisco_eeprom *eeprom) |
2409 |
{ |
2410 |
m_uint8_t eeprom_ver; |
2411 |
size_t offset; |
2412 |
n_eth_addr_t addr; |
2413 |
m_uint16_t pid; |
2414 |
|
2415 |
pid = (m_uint16_t)getpid(); |
2416 |
|
2417 |
/* Generate automatically the MAC address */ |
2418 |
addr.eth_addr_byte[0] = vm_get_mac_addr_msb(vm); |
2419 |
addr.eth_addr_byte[1] = vm->instance_id & 0xFF; |
2420 |
addr.eth_addr_byte[2] = pid >> 8; |
2421 |
addr.eth_addr_byte[3] = pid & 0xFF; |
2422 |
addr.eth_addr_byte[4] = 0xF0 + nm_bay; |
2423 |
addr.eth_addr_byte[5] = 0x00; |
2424 |
|
2425 |
/* Read EEPROM format version */ |
2426 |
cisco_eeprom_get_byte(eeprom,0,&eeprom_ver); |
2427 |
|
2428 |
if (eeprom_ver != 4) |
2429 |
return(-1); |
2430 |
|
2431 |
if (cisco_eeprom_v4_find_field(eeprom,0xCF,&offset) == -1) |
2432 |
return(-1); |
2433 |
|
2434 |
cisco_eeprom_set_region(eeprom,offset,addr.eth_addr_byte,6); |
2435 |
return(0); |
2436 |
} |
2437 |
|
2438 |
/* Initialize a NM-16ESW module */ |
2439 |
struct nm_16esw_data * |
2440 |
dev_nm_16esw_init(vm_instance_t *vm,char *name,u_int nm_bay, |
2441 |
struct pci_bus *pci_bus,int pci_device,int irq) |
2442 |
{ |
2443 |
struct nm_16esw_data *data; |
2444 |
struct bcm5600_port *port; |
2445 |
struct vdevice *dev; |
2446 |
int i,port_id; |
2447 |
|
2448 |
/* Allocate the private data structure */ |
2449 |
if (!(data = malloc(sizeof(*data)))) { |
2450 |
fprintf(stderr,"%s: out of memory\n",name); |
2451 |
return NULL; |
2452 |
} |
2453 |
|
2454 |
memset(data,0,sizeof(*data)); |
2455 |
pthread_mutex_init(&data->lock,NULL); |
2456 |
data->name = name; |
2457 |
data->nr_port = 16; |
2458 |
data->vm = vm; |
2459 |
|
2460 |
/* Create the BCM5600 tables */ |
2461 |
if (bcm5600_table_create(data) == -1) |
2462 |
return NULL; |
2463 |
|
2464 |
/* Clear the various tables */ |
2465 |
bcm5600_reset_arl(data); |
2466 |
data->arl_cnt[0] = 1; |
2467 |
data->t_ptable = bcm5600_table_find(data,BCM5600_ADDR_PTABLE0); |
2468 |
data->t_vtable = bcm5600_table_find(data,BCM5600_ADDR_VTABLE0); |
2469 |
data->t_arl = bcm5600_table_find(data,BCM5600_ADDR_ARL0); |
2470 |
data->t_marl = bcm5600_table_find(data,BCM5600_ADDR_MARL0); |
2471 |
data->t_tbmap = bcm5600_table_find(data,BCM5600_ADDR_TBMAP0); |
2472 |
data->t_ttr = bcm5600_table_find(data,BCM5600_ADDR_TTR0); |
2473 |
|
2474 |
/* Initialize ports */ |
2475 |
data->cpu_port = 27; |
2476 |
|
2477 |
for(i=0;i<data->nr_port;i++) { |
2478 |
port_id = nm16esw_port_mapping[i]; |
2479 |
|
2480 |
port = &data->ports[port_id]; |
2481 |
port->id = port_id; |
2482 |
snprintf(port->name,sizeof(port->name),"Fa%u/%d",nm_bay,i); |
2483 |
} |
2484 |
|
2485 |
/* Create the BCM5605 PCI device */ |
2486 |
data->pci_dev = pci_dev_add(pci_bus,name, |
2487 |
BCM5605_PCI_VENDOR_ID,BCM5605_PCI_PRODUCT_ID, |
2488 |
pci_device,0,irq,data, |
2489 |
NULL,pci_bcm5605_read,pci_bcm5605_write); |
2490 |
|
2491 |
if (!data->pci_dev) { |
2492 |
fprintf(stderr,"%s: unable to create PCI device.\n",name); |
2493 |
return NULL; |
2494 |
} |
2495 |
|
2496 |
/* Create the BCM5605 device itself */ |
2497 |
if (!(dev = dev_create(name))) { |
2498 |
fprintf(stderr,"%s: unable to create device.\n",name); |
2499 |
return NULL; |
2500 |
} |
2501 |
|
2502 |
dev->phys_addr = 0; |
2503 |
dev->phys_len = 0x200000; |
2504 |
dev->handler = dev_bcm5605_access; |
2505 |
|
2506 |
/* Store device info */ |
2507 |
dev->priv_data = data; |
2508 |
data->dev = dev; |
2509 |
|
2510 |
/* Create the TX ring scanner */ |
2511 |
data->tx_tid = ptask_add((ptask_callback)dev_bcm5600_handle_txring, |
2512 |
data,NULL); |
2513 |
|
2514 |
/* Start the MAC address ager */ |
2515 |
data->ager_tid = timer_create_entry(15000,FALSE,10, |
2516 |
(timer_proc)bcm5600_arl_ager,data); |
2517 |
return data; |
2518 |
} |
2519 |
|
2520 |
/* Remove a NM-16ESW from the specified slot */ |
2521 |
int dev_nm_16esw_remove(struct nm_16esw_data *data) |
2522 |
{ |
2523 |
/* Stop the Ager */ |
2524 |
timer_remove(data->ager_tid); |
2525 |
|
2526 |
/* Stop the TX ring task */ |
2527 |
ptask_remove(data->tx_tid); |
2528 |
|
2529 |
/* Remove device + PCI stuff */ |
2530 |
pci_dev_remove(data->pci_dev); |
2531 |
vm_unbind_device(data->vm,data->dev); |
2532 |
cpu_group_rebuild_mts(data->vm->cpu_group); |
2533 |
free(data->dev); |
2534 |
|
2535 |
/* Free all tables and registers */ |
2536 |
bcm5600_table_free(data); |
2537 |
bcm5600_reg_free(data); |
2538 |
free(data); |
2539 |
return(0); |
2540 |
} |
2541 |
|
2542 |
/* Bind a Network IO descriptor */ |
2543 |
int dev_nm_16esw_set_nio(struct nm_16esw_data *d,u_int port_id, |
2544 |
netio_desc_t *nio) |
2545 |
{ |
2546 |
struct bcm5600_port *port; |
2547 |
|
2548 |
if (!d || (port_id >= d->nr_port)) |
2549 |
return(-1); |
2550 |
|
2551 |
/* define the new NIO */ |
2552 |
port = &d->ports[nm16esw_port_mapping[port_id]]; |
2553 |
port->nio = nio; |
2554 |
netio_rxl_add(nio,(netio_rx_handler_t)dev_bcm5600_handle_rxring,d,port); |
2555 |
return(0); |
2556 |
} |
2557 |
|
2558 |
/* Unbind a Network IO descriptor */ |
2559 |
int dev_nm_16esw_unset_nio(struct nm_16esw_data *d,u_int port_id) |
2560 |
{ |
2561 |
struct bcm5600_port *port; |
2562 |
|
2563 |
if (!d || (port_id >= d->nr_port)) |
2564 |
return(-1); |
2565 |
|
2566 |
port = &d->ports[nm16esw_port_mapping[port_id]]; |
2567 |
|
2568 |
if (port->nio) { |
2569 |
netio_rxl_remove(port->nio); |
2570 |
port->nio = NULL; |
2571 |
} |
2572 |
|
2573 |
return(0); |
2574 |
} |
2575 |
|
2576 |
/* Show debugging information */ |
2577 |
int dev_nm_16esw_show_info(struct nm_16esw_data *d) |
2578 |
{ |
2579 |
BCM_LOCK(d); |
2580 |
printf("ARL count = %u\n\n",d->arl_cnt[0]); |
2581 |
bcm5600_dump_main_tables(d); |
2582 |
bcm5600_mirror_show_status(d); |
2583 |
bcm5600_reg_dump(d,FALSE); |
2584 |
BCM_UNLOCK(d); |
2585 |
return(0); |
2586 |
} |