Commit 30dfe2c05037fbc021121c037872c09956938c2f
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atm: fore200e: Fix build warning.
GCC (rightfully) complains that: drivers/atm/fore200e.c:614:5: warning: operation on 'cmdq->head' may be undefined This is due to the FORE200E_NEXT_ENTRY macro, which essentially evaluates to: i = ++i % m Make it what's explicitly intended here which is: i = (i + 1) % m and the warning goes away. Signed-off-by: David S. Miller <davem@davemloft.net>
Showing 1 changed file with 1 additions and 1 deletions Inline Diff
drivers/atm/fore200e.c
1 | /* | 1 | /* |
2 | A FORE Systems 200E-series driver for ATM on Linux. | 2 | A FORE Systems 200E-series driver for ATM on Linux. |
3 | Christophe Lizzi (lizzi@cnam.fr), October 1999-March 2003. | 3 | Christophe Lizzi (lizzi@cnam.fr), October 1999-March 2003. |
4 | 4 | ||
5 | Based on the PCA-200E driver from Uwe Dannowski (Uwe.Dannowski@inf.tu-dresden.de). | 5 | Based on the PCA-200E driver from Uwe Dannowski (Uwe.Dannowski@inf.tu-dresden.de). |
6 | 6 | ||
7 | This driver simultaneously supports PCA-200E and SBA-200E adapters | 7 | This driver simultaneously supports PCA-200E and SBA-200E adapters |
8 | on i386, alpha (untested), powerpc, sparc and sparc64 architectures. | 8 | on i386, alpha (untested), powerpc, sparc and sparc64 architectures. |
9 | 9 | ||
10 | This program is free software; you can redistribute it and/or modify | 10 | This program is free software; you can redistribute it and/or modify |
11 | it under the terms of the GNU General Public License as published by | 11 | it under the terms of the GNU General Public License as published by |
12 | the Free Software Foundation; either version 2 of the License, or | 12 | the Free Software Foundation; either version 2 of the License, or |
13 | (at your option) any later version. | 13 | (at your option) any later version. |
14 | 14 | ||
15 | This program is distributed in the hope that it will be useful, | 15 | This program is distributed in the hope that it will be useful, |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | 16 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | 17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18 | GNU General Public License for more details. | 18 | GNU General Public License for more details. |
19 | 19 | ||
20 | You should have received a copy of the GNU General Public License | 20 | You should have received a copy of the GNU General Public License |
21 | along with this program; if not, write to the Free Software | 21 | along with this program; if not, write to the Free Software |
22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | 22 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
23 | */ | 23 | */ |
24 | 24 | ||
25 | 25 | ||
26 | #include <linux/kernel.h> | 26 | #include <linux/kernel.h> |
27 | #include <linux/slab.h> | 27 | #include <linux/slab.h> |
28 | #include <linux/init.h> | 28 | #include <linux/init.h> |
29 | #include <linux/capability.h> | 29 | #include <linux/capability.h> |
30 | #include <linux/interrupt.h> | 30 | #include <linux/interrupt.h> |
31 | #include <linux/bitops.h> | 31 | #include <linux/bitops.h> |
32 | #include <linux/pci.h> | 32 | #include <linux/pci.h> |
33 | #include <linux/module.h> | 33 | #include <linux/module.h> |
34 | #include <linux/atmdev.h> | 34 | #include <linux/atmdev.h> |
35 | #include <linux/sonet.h> | 35 | #include <linux/sonet.h> |
36 | #include <linux/atm_suni.h> | 36 | #include <linux/atm_suni.h> |
37 | #include <linux/dma-mapping.h> | 37 | #include <linux/dma-mapping.h> |
38 | #include <linux/delay.h> | 38 | #include <linux/delay.h> |
39 | #include <linux/firmware.h> | 39 | #include <linux/firmware.h> |
40 | #include <asm/io.h> | 40 | #include <asm/io.h> |
41 | #include <asm/string.h> | 41 | #include <asm/string.h> |
42 | #include <asm/page.h> | 42 | #include <asm/page.h> |
43 | #include <asm/irq.h> | 43 | #include <asm/irq.h> |
44 | #include <asm/dma.h> | 44 | #include <asm/dma.h> |
45 | #include <asm/byteorder.h> | 45 | #include <asm/byteorder.h> |
46 | #include <asm/uaccess.h> | 46 | #include <asm/uaccess.h> |
47 | #include <asm/atomic.h> | 47 | #include <asm/atomic.h> |
48 | 48 | ||
49 | #ifdef CONFIG_SBUS | 49 | #ifdef CONFIG_SBUS |
50 | #include <linux/of.h> | 50 | #include <linux/of.h> |
51 | #include <linux/of_device.h> | 51 | #include <linux/of_device.h> |
52 | #include <asm/idprom.h> | 52 | #include <asm/idprom.h> |
53 | #include <asm/openprom.h> | 53 | #include <asm/openprom.h> |
54 | #include <asm/oplib.h> | 54 | #include <asm/oplib.h> |
55 | #include <asm/pgtable.h> | 55 | #include <asm/pgtable.h> |
56 | #endif | 56 | #endif |
57 | 57 | ||
58 | #if defined(CONFIG_ATM_FORE200E_USE_TASKLET) /* defer interrupt work to a tasklet */ | 58 | #if defined(CONFIG_ATM_FORE200E_USE_TASKLET) /* defer interrupt work to a tasklet */ |
59 | #define FORE200E_USE_TASKLET | 59 | #define FORE200E_USE_TASKLET |
60 | #endif | 60 | #endif |
61 | 61 | ||
62 | #if 0 /* enable the debugging code of the buffer supply queues */ | 62 | #if 0 /* enable the debugging code of the buffer supply queues */ |
63 | #define FORE200E_BSQ_DEBUG | 63 | #define FORE200E_BSQ_DEBUG |
64 | #endif | 64 | #endif |
65 | 65 | ||
66 | #if 1 /* ensure correct handling of 52-byte AAL0 SDUs expected by atmdump-like apps */ | 66 | #if 1 /* ensure correct handling of 52-byte AAL0 SDUs expected by atmdump-like apps */ |
67 | #define FORE200E_52BYTE_AAL0_SDU | 67 | #define FORE200E_52BYTE_AAL0_SDU |
68 | #endif | 68 | #endif |
69 | 69 | ||
70 | #include "fore200e.h" | 70 | #include "fore200e.h" |
71 | #include "suni.h" | 71 | #include "suni.h" |
72 | 72 | ||
73 | #define FORE200E_VERSION "0.3e" | 73 | #define FORE200E_VERSION "0.3e" |
74 | 74 | ||
75 | #define FORE200E "fore200e: " | 75 | #define FORE200E "fore200e: " |
76 | 76 | ||
77 | #if 0 /* override .config */ | 77 | #if 0 /* override .config */ |
78 | #define CONFIG_ATM_FORE200E_DEBUG 1 | 78 | #define CONFIG_ATM_FORE200E_DEBUG 1 |
79 | #endif | 79 | #endif |
80 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) | 80 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) |
81 | #define DPRINTK(level, format, args...) do { if (CONFIG_ATM_FORE200E_DEBUG >= (level)) \ | 81 | #define DPRINTK(level, format, args...) do { if (CONFIG_ATM_FORE200E_DEBUG >= (level)) \ |
82 | printk(FORE200E format, ##args); } while (0) | 82 | printk(FORE200E format, ##args); } while (0) |
83 | #else | 83 | #else |
84 | #define DPRINTK(level, format, args...) do {} while (0) | 84 | #define DPRINTK(level, format, args...) do {} while (0) |
85 | #endif | 85 | #endif |
86 | 86 | ||
87 | 87 | ||
88 | #define FORE200E_ALIGN(addr, alignment) \ | 88 | #define FORE200E_ALIGN(addr, alignment) \ |
89 | ((((unsigned long)(addr) + (alignment - 1)) & ~(alignment - 1)) - (unsigned long)(addr)) | 89 | ((((unsigned long)(addr) + (alignment - 1)) & ~(alignment - 1)) - (unsigned long)(addr)) |
90 | 90 | ||
91 | #define FORE200E_DMA_INDEX(dma_addr, type, index) ((dma_addr) + (index) * sizeof(type)) | 91 | #define FORE200E_DMA_INDEX(dma_addr, type, index) ((dma_addr) + (index) * sizeof(type)) |
92 | 92 | ||
93 | #define FORE200E_INDEX(virt_addr, type, index) (&((type *)(virt_addr))[ index ]) | 93 | #define FORE200E_INDEX(virt_addr, type, index) (&((type *)(virt_addr))[ index ]) |
94 | 94 | ||
95 | #define FORE200E_NEXT_ENTRY(index, modulo) (index = ++(index) % (modulo)) | 95 | #define FORE200E_NEXT_ENTRY(index, modulo) (index = ((index) + 1) % (modulo)) |
96 | 96 | ||
97 | #if 1 | 97 | #if 1 |
98 | #define ASSERT(expr) if (!(expr)) { \ | 98 | #define ASSERT(expr) if (!(expr)) { \ |
99 | printk(FORE200E "assertion failed! %s[%d]: %s\n", \ | 99 | printk(FORE200E "assertion failed! %s[%d]: %s\n", \ |
100 | __func__, __LINE__, #expr); \ | 100 | __func__, __LINE__, #expr); \ |
101 | panic(FORE200E "%s", __func__); \ | 101 | panic(FORE200E "%s", __func__); \ |
102 | } | 102 | } |
103 | #else | 103 | #else |
104 | #define ASSERT(expr) do {} while (0) | 104 | #define ASSERT(expr) do {} while (0) |
105 | #endif | 105 | #endif |
106 | 106 | ||
107 | 107 | ||
108 | static const struct atmdev_ops fore200e_ops; | 108 | static const struct atmdev_ops fore200e_ops; |
109 | static const struct fore200e_bus fore200e_bus[]; | 109 | static const struct fore200e_bus fore200e_bus[]; |
110 | 110 | ||
111 | static LIST_HEAD(fore200e_boards); | 111 | static LIST_HEAD(fore200e_boards); |
112 | 112 | ||
113 | 113 | ||
114 | MODULE_AUTHOR("Christophe Lizzi - credits to Uwe Dannowski and Heikki Vatiainen"); | 114 | MODULE_AUTHOR("Christophe Lizzi - credits to Uwe Dannowski and Heikki Vatiainen"); |
115 | MODULE_DESCRIPTION("FORE Systems 200E-series ATM driver - version " FORE200E_VERSION); | 115 | MODULE_DESCRIPTION("FORE Systems 200E-series ATM driver - version " FORE200E_VERSION); |
116 | MODULE_SUPPORTED_DEVICE("PCA-200E, SBA-200E"); | 116 | MODULE_SUPPORTED_DEVICE("PCA-200E, SBA-200E"); |
117 | 117 | ||
118 | 118 | ||
119 | static const int fore200e_rx_buf_nbr[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { | 119 | static const int fore200e_rx_buf_nbr[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { |
120 | { BUFFER_S1_NBR, BUFFER_L1_NBR }, | 120 | { BUFFER_S1_NBR, BUFFER_L1_NBR }, |
121 | { BUFFER_S2_NBR, BUFFER_L2_NBR } | 121 | { BUFFER_S2_NBR, BUFFER_L2_NBR } |
122 | }; | 122 | }; |
123 | 123 | ||
124 | static const int fore200e_rx_buf_size[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { | 124 | static const int fore200e_rx_buf_size[ BUFFER_SCHEME_NBR ][ BUFFER_MAGN_NBR ] = { |
125 | { BUFFER_S1_SIZE, BUFFER_L1_SIZE }, | 125 | { BUFFER_S1_SIZE, BUFFER_L1_SIZE }, |
126 | { BUFFER_S2_SIZE, BUFFER_L2_SIZE } | 126 | { BUFFER_S2_SIZE, BUFFER_L2_SIZE } |
127 | }; | 127 | }; |
128 | 128 | ||
129 | 129 | ||
130 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) | 130 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG > 0) |
131 | static const char* fore200e_traffic_class[] = { "NONE", "UBR", "CBR", "VBR", "ABR", "ANY" }; | 131 | static const char* fore200e_traffic_class[] = { "NONE", "UBR", "CBR", "VBR", "ABR", "ANY" }; |
132 | #endif | 132 | #endif |
133 | 133 | ||
134 | 134 | ||
135 | #if 0 /* currently unused */ | 135 | #if 0 /* currently unused */ |
136 | static int | 136 | static int |
137 | fore200e_fore2atm_aal(enum fore200e_aal aal) | 137 | fore200e_fore2atm_aal(enum fore200e_aal aal) |
138 | { | 138 | { |
139 | switch(aal) { | 139 | switch(aal) { |
140 | case FORE200E_AAL0: return ATM_AAL0; | 140 | case FORE200E_AAL0: return ATM_AAL0; |
141 | case FORE200E_AAL34: return ATM_AAL34; | 141 | case FORE200E_AAL34: return ATM_AAL34; |
142 | case FORE200E_AAL5: return ATM_AAL5; | 142 | case FORE200E_AAL5: return ATM_AAL5; |
143 | } | 143 | } |
144 | 144 | ||
145 | return -EINVAL; | 145 | return -EINVAL; |
146 | } | 146 | } |
147 | #endif | 147 | #endif |
148 | 148 | ||
149 | 149 | ||
150 | static enum fore200e_aal | 150 | static enum fore200e_aal |
151 | fore200e_atm2fore_aal(int aal) | 151 | fore200e_atm2fore_aal(int aal) |
152 | { | 152 | { |
153 | switch(aal) { | 153 | switch(aal) { |
154 | case ATM_AAL0: return FORE200E_AAL0; | 154 | case ATM_AAL0: return FORE200E_AAL0; |
155 | case ATM_AAL34: return FORE200E_AAL34; | 155 | case ATM_AAL34: return FORE200E_AAL34; |
156 | case ATM_AAL1: | 156 | case ATM_AAL1: |
157 | case ATM_AAL2: | 157 | case ATM_AAL2: |
158 | case ATM_AAL5: return FORE200E_AAL5; | 158 | case ATM_AAL5: return FORE200E_AAL5; |
159 | } | 159 | } |
160 | 160 | ||
161 | return -EINVAL; | 161 | return -EINVAL; |
162 | } | 162 | } |
163 | 163 | ||
164 | 164 | ||
165 | static char* | 165 | static char* |
166 | fore200e_irq_itoa(int irq) | 166 | fore200e_irq_itoa(int irq) |
167 | { | 167 | { |
168 | static char str[8]; | 168 | static char str[8]; |
169 | sprintf(str, "%d", irq); | 169 | sprintf(str, "%d", irq); |
170 | return str; | 170 | return str; |
171 | } | 171 | } |
172 | 172 | ||
173 | 173 | ||
174 | /* allocate and align a chunk of memory intended to hold the data behing exchanged | 174 | /* allocate and align a chunk of memory intended to hold the data behing exchanged |
175 | between the driver and the adapter (using streaming DVMA) */ | 175 | between the driver and the adapter (using streaming DVMA) */ |
176 | 176 | ||
177 | static int | 177 | static int |
178 | fore200e_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, int alignment, int direction) | 178 | fore200e_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, int size, int alignment, int direction) |
179 | { | 179 | { |
180 | unsigned long offset = 0; | 180 | unsigned long offset = 0; |
181 | 181 | ||
182 | if (alignment <= sizeof(int)) | 182 | if (alignment <= sizeof(int)) |
183 | alignment = 0; | 183 | alignment = 0; |
184 | 184 | ||
185 | chunk->alloc_size = size + alignment; | 185 | chunk->alloc_size = size + alignment; |
186 | chunk->align_size = size; | 186 | chunk->align_size = size; |
187 | chunk->direction = direction; | 187 | chunk->direction = direction; |
188 | 188 | ||
189 | chunk->alloc_addr = kzalloc(chunk->alloc_size, GFP_KERNEL | GFP_DMA); | 189 | chunk->alloc_addr = kzalloc(chunk->alloc_size, GFP_KERNEL | GFP_DMA); |
190 | if (chunk->alloc_addr == NULL) | 190 | if (chunk->alloc_addr == NULL) |
191 | return -ENOMEM; | 191 | return -ENOMEM; |
192 | 192 | ||
193 | if (alignment > 0) | 193 | if (alignment > 0) |
194 | offset = FORE200E_ALIGN(chunk->alloc_addr, alignment); | 194 | offset = FORE200E_ALIGN(chunk->alloc_addr, alignment); |
195 | 195 | ||
196 | chunk->align_addr = chunk->alloc_addr + offset; | 196 | chunk->align_addr = chunk->alloc_addr + offset; |
197 | 197 | ||
198 | chunk->dma_addr = fore200e->bus->dma_map(fore200e, chunk->align_addr, chunk->align_size, direction); | 198 | chunk->dma_addr = fore200e->bus->dma_map(fore200e, chunk->align_addr, chunk->align_size, direction); |
199 | 199 | ||
200 | return 0; | 200 | return 0; |
201 | } | 201 | } |
202 | 202 | ||
203 | 203 | ||
204 | /* free a chunk of memory */ | 204 | /* free a chunk of memory */ |
205 | 205 | ||
206 | static void | 206 | static void |
207 | fore200e_chunk_free(struct fore200e* fore200e, struct chunk* chunk) | 207 | fore200e_chunk_free(struct fore200e* fore200e, struct chunk* chunk) |
208 | { | 208 | { |
209 | fore200e->bus->dma_unmap(fore200e, chunk->dma_addr, chunk->dma_size, chunk->direction); | 209 | fore200e->bus->dma_unmap(fore200e, chunk->dma_addr, chunk->dma_size, chunk->direction); |
210 | 210 | ||
211 | kfree(chunk->alloc_addr); | 211 | kfree(chunk->alloc_addr); |
212 | } | 212 | } |
213 | 213 | ||
214 | 214 | ||
215 | static void | 215 | static void |
216 | fore200e_spin(int msecs) | 216 | fore200e_spin(int msecs) |
217 | { | 217 | { |
218 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); | 218 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); |
219 | while (time_before(jiffies, timeout)); | 219 | while (time_before(jiffies, timeout)); |
220 | } | 220 | } |
221 | 221 | ||
222 | 222 | ||
223 | static int | 223 | static int |
224 | fore200e_poll(struct fore200e* fore200e, volatile u32* addr, u32 val, int msecs) | 224 | fore200e_poll(struct fore200e* fore200e, volatile u32* addr, u32 val, int msecs) |
225 | { | 225 | { |
226 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); | 226 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); |
227 | int ok; | 227 | int ok; |
228 | 228 | ||
229 | mb(); | 229 | mb(); |
230 | do { | 230 | do { |
231 | if ((ok = (*addr == val)) || (*addr & STATUS_ERROR)) | 231 | if ((ok = (*addr == val)) || (*addr & STATUS_ERROR)) |
232 | break; | 232 | break; |
233 | 233 | ||
234 | } while (time_before(jiffies, timeout)); | 234 | } while (time_before(jiffies, timeout)); |
235 | 235 | ||
236 | #if 1 | 236 | #if 1 |
237 | if (!ok) { | 237 | if (!ok) { |
238 | printk(FORE200E "cmd polling failed, got status 0x%08x, expected 0x%08x\n", | 238 | printk(FORE200E "cmd polling failed, got status 0x%08x, expected 0x%08x\n", |
239 | *addr, val); | 239 | *addr, val); |
240 | } | 240 | } |
241 | #endif | 241 | #endif |
242 | 242 | ||
243 | return ok; | 243 | return ok; |
244 | } | 244 | } |
245 | 245 | ||
246 | 246 | ||
247 | static int | 247 | static int |
248 | fore200e_io_poll(struct fore200e* fore200e, volatile u32 __iomem *addr, u32 val, int msecs) | 248 | fore200e_io_poll(struct fore200e* fore200e, volatile u32 __iomem *addr, u32 val, int msecs) |
249 | { | 249 | { |
250 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); | 250 | unsigned long timeout = jiffies + msecs_to_jiffies(msecs); |
251 | int ok; | 251 | int ok; |
252 | 252 | ||
253 | do { | 253 | do { |
254 | if ((ok = (fore200e->bus->read(addr) == val))) | 254 | if ((ok = (fore200e->bus->read(addr) == val))) |
255 | break; | 255 | break; |
256 | 256 | ||
257 | } while (time_before(jiffies, timeout)); | 257 | } while (time_before(jiffies, timeout)); |
258 | 258 | ||
259 | #if 1 | 259 | #if 1 |
260 | if (!ok) { | 260 | if (!ok) { |
261 | printk(FORE200E "I/O polling failed, got status 0x%08x, expected 0x%08x\n", | 261 | printk(FORE200E "I/O polling failed, got status 0x%08x, expected 0x%08x\n", |
262 | fore200e->bus->read(addr), val); | 262 | fore200e->bus->read(addr), val); |
263 | } | 263 | } |
264 | #endif | 264 | #endif |
265 | 265 | ||
266 | return ok; | 266 | return ok; |
267 | } | 267 | } |
268 | 268 | ||
269 | 269 | ||
270 | static void | 270 | static void |
271 | fore200e_free_rx_buf(struct fore200e* fore200e) | 271 | fore200e_free_rx_buf(struct fore200e* fore200e) |
272 | { | 272 | { |
273 | int scheme, magn, nbr; | 273 | int scheme, magn, nbr; |
274 | struct buffer* buffer; | 274 | struct buffer* buffer; |
275 | 275 | ||
276 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | 276 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { |
277 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | 277 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { |
278 | 278 | ||
279 | if ((buffer = fore200e->host_bsq[ scheme ][ magn ].buffer) != NULL) { | 279 | if ((buffer = fore200e->host_bsq[ scheme ][ magn ].buffer) != NULL) { |
280 | 280 | ||
281 | for (nbr = 0; nbr < fore200e_rx_buf_nbr[ scheme ][ magn ]; nbr++) { | 281 | for (nbr = 0; nbr < fore200e_rx_buf_nbr[ scheme ][ magn ]; nbr++) { |
282 | 282 | ||
283 | struct chunk* data = &buffer[ nbr ].data; | 283 | struct chunk* data = &buffer[ nbr ].data; |
284 | 284 | ||
285 | if (data->alloc_addr != NULL) | 285 | if (data->alloc_addr != NULL) |
286 | fore200e_chunk_free(fore200e, data); | 286 | fore200e_chunk_free(fore200e, data); |
287 | } | 287 | } |
288 | } | 288 | } |
289 | } | 289 | } |
290 | } | 290 | } |
291 | } | 291 | } |
292 | 292 | ||
293 | 293 | ||
294 | static void | 294 | static void |
295 | fore200e_uninit_bs_queue(struct fore200e* fore200e) | 295 | fore200e_uninit_bs_queue(struct fore200e* fore200e) |
296 | { | 296 | { |
297 | int scheme, magn; | 297 | int scheme, magn; |
298 | 298 | ||
299 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | 299 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { |
300 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | 300 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { |
301 | 301 | ||
302 | struct chunk* status = &fore200e->host_bsq[ scheme ][ magn ].status; | 302 | struct chunk* status = &fore200e->host_bsq[ scheme ][ magn ].status; |
303 | struct chunk* rbd_block = &fore200e->host_bsq[ scheme ][ magn ].rbd_block; | 303 | struct chunk* rbd_block = &fore200e->host_bsq[ scheme ][ magn ].rbd_block; |
304 | 304 | ||
305 | if (status->alloc_addr) | 305 | if (status->alloc_addr) |
306 | fore200e->bus->dma_chunk_free(fore200e, status); | 306 | fore200e->bus->dma_chunk_free(fore200e, status); |
307 | 307 | ||
308 | if (rbd_block->alloc_addr) | 308 | if (rbd_block->alloc_addr) |
309 | fore200e->bus->dma_chunk_free(fore200e, rbd_block); | 309 | fore200e->bus->dma_chunk_free(fore200e, rbd_block); |
310 | } | 310 | } |
311 | } | 311 | } |
312 | } | 312 | } |
313 | 313 | ||
314 | 314 | ||
315 | static int | 315 | static int |
316 | fore200e_reset(struct fore200e* fore200e, int diag) | 316 | fore200e_reset(struct fore200e* fore200e, int diag) |
317 | { | 317 | { |
318 | int ok; | 318 | int ok; |
319 | 319 | ||
320 | fore200e->cp_monitor = fore200e->virt_base + FORE200E_CP_MONITOR_OFFSET; | 320 | fore200e->cp_monitor = fore200e->virt_base + FORE200E_CP_MONITOR_OFFSET; |
321 | 321 | ||
322 | fore200e->bus->write(BSTAT_COLD_START, &fore200e->cp_monitor->bstat); | 322 | fore200e->bus->write(BSTAT_COLD_START, &fore200e->cp_monitor->bstat); |
323 | 323 | ||
324 | fore200e->bus->reset(fore200e); | 324 | fore200e->bus->reset(fore200e); |
325 | 325 | ||
326 | if (diag) { | 326 | if (diag) { |
327 | ok = fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_SELFTEST_OK, 1000); | 327 | ok = fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_SELFTEST_OK, 1000); |
328 | if (ok == 0) { | 328 | if (ok == 0) { |
329 | 329 | ||
330 | printk(FORE200E "device %s self-test failed\n", fore200e->name); | 330 | printk(FORE200E "device %s self-test failed\n", fore200e->name); |
331 | return -ENODEV; | 331 | return -ENODEV; |
332 | } | 332 | } |
333 | 333 | ||
334 | printk(FORE200E "device %s self-test passed\n", fore200e->name); | 334 | printk(FORE200E "device %s self-test passed\n", fore200e->name); |
335 | 335 | ||
336 | fore200e->state = FORE200E_STATE_RESET; | 336 | fore200e->state = FORE200E_STATE_RESET; |
337 | } | 337 | } |
338 | 338 | ||
339 | return 0; | 339 | return 0; |
340 | } | 340 | } |
341 | 341 | ||
342 | 342 | ||
343 | static void | 343 | static void |
344 | fore200e_shutdown(struct fore200e* fore200e) | 344 | fore200e_shutdown(struct fore200e* fore200e) |
345 | { | 345 | { |
346 | printk(FORE200E "removing device %s at 0x%lx, IRQ %s\n", | 346 | printk(FORE200E "removing device %s at 0x%lx, IRQ %s\n", |
347 | fore200e->name, fore200e->phys_base, | 347 | fore200e->name, fore200e->phys_base, |
348 | fore200e_irq_itoa(fore200e->irq)); | 348 | fore200e_irq_itoa(fore200e->irq)); |
349 | 349 | ||
350 | if (fore200e->state > FORE200E_STATE_RESET) { | 350 | if (fore200e->state > FORE200E_STATE_RESET) { |
351 | /* first, reset the board to prevent further interrupts or data transfers */ | 351 | /* first, reset the board to prevent further interrupts or data transfers */ |
352 | fore200e_reset(fore200e, 0); | 352 | fore200e_reset(fore200e, 0); |
353 | } | 353 | } |
354 | 354 | ||
355 | /* then, release all allocated resources */ | 355 | /* then, release all allocated resources */ |
356 | switch(fore200e->state) { | 356 | switch(fore200e->state) { |
357 | 357 | ||
358 | case FORE200E_STATE_COMPLETE: | 358 | case FORE200E_STATE_COMPLETE: |
359 | kfree(fore200e->stats); | 359 | kfree(fore200e->stats); |
360 | 360 | ||
361 | case FORE200E_STATE_IRQ: | 361 | case FORE200E_STATE_IRQ: |
362 | free_irq(fore200e->irq, fore200e->atm_dev); | 362 | free_irq(fore200e->irq, fore200e->atm_dev); |
363 | 363 | ||
364 | case FORE200E_STATE_ALLOC_BUF: | 364 | case FORE200E_STATE_ALLOC_BUF: |
365 | fore200e_free_rx_buf(fore200e); | 365 | fore200e_free_rx_buf(fore200e); |
366 | 366 | ||
367 | case FORE200E_STATE_INIT_BSQ: | 367 | case FORE200E_STATE_INIT_BSQ: |
368 | fore200e_uninit_bs_queue(fore200e); | 368 | fore200e_uninit_bs_queue(fore200e); |
369 | 369 | ||
370 | case FORE200E_STATE_INIT_RXQ: | 370 | case FORE200E_STATE_INIT_RXQ: |
371 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.status); | 371 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.status); |
372 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.rpd); | 372 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_rxq.rpd); |
373 | 373 | ||
374 | case FORE200E_STATE_INIT_TXQ: | 374 | case FORE200E_STATE_INIT_TXQ: |
375 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.status); | 375 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.status); |
376 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.tpd); | 376 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_txq.tpd); |
377 | 377 | ||
378 | case FORE200E_STATE_INIT_CMDQ: | 378 | case FORE200E_STATE_INIT_CMDQ: |
379 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_cmdq.status); | 379 | fore200e->bus->dma_chunk_free(fore200e, &fore200e->host_cmdq.status); |
380 | 380 | ||
381 | case FORE200E_STATE_INITIALIZE: | 381 | case FORE200E_STATE_INITIALIZE: |
382 | /* nothing to do for that state */ | 382 | /* nothing to do for that state */ |
383 | 383 | ||
384 | case FORE200E_STATE_START_FW: | 384 | case FORE200E_STATE_START_FW: |
385 | /* nothing to do for that state */ | 385 | /* nothing to do for that state */ |
386 | 386 | ||
387 | case FORE200E_STATE_RESET: | 387 | case FORE200E_STATE_RESET: |
388 | /* nothing to do for that state */ | 388 | /* nothing to do for that state */ |
389 | 389 | ||
390 | case FORE200E_STATE_MAP: | 390 | case FORE200E_STATE_MAP: |
391 | fore200e->bus->unmap(fore200e); | 391 | fore200e->bus->unmap(fore200e); |
392 | 392 | ||
393 | case FORE200E_STATE_CONFIGURE: | 393 | case FORE200E_STATE_CONFIGURE: |
394 | /* nothing to do for that state */ | 394 | /* nothing to do for that state */ |
395 | 395 | ||
396 | case FORE200E_STATE_REGISTER: | 396 | case FORE200E_STATE_REGISTER: |
397 | /* XXX shouldn't we *start* by deregistering the device? */ | 397 | /* XXX shouldn't we *start* by deregistering the device? */ |
398 | atm_dev_deregister(fore200e->atm_dev); | 398 | atm_dev_deregister(fore200e->atm_dev); |
399 | 399 | ||
400 | case FORE200E_STATE_BLANK: | 400 | case FORE200E_STATE_BLANK: |
401 | /* nothing to do for that state */ | 401 | /* nothing to do for that state */ |
402 | break; | 402 | break; |
403 | } | 403 | } |
404 | } | 404 | } |
405 | 405 | ||
406 | 406 | ||
407 | #ifdef CONFIG_PCI | 407 | #ifdef CONFIG_PCI |
408 | 408 | ||
409 | static u32 fore200e_pca_read(volatile u32 __iomem *addr) | 409 | static u32 fore200e_pca_read(volatile u32 __iomem *addr) |
410 | { | 410 | { |
411 | /* on big-endian hosts, the board is configured to convert | 411 | /* on big-endian hosts, the board is configured to convert |
412 | the endianess of slave RAM accesses */ | 412 | the endianess of slave RAM accesses */ |
413 | return le32_to_cpu(readl(addr)); | 413 | return le32_to_cpu(readl(addr)); |
414 | } | 414 | } |
415 | 415 | ||
416 | 416 | ||
417 | static void fore200e_pca_write(u32 val, volatile u32 __iomem *addr) | 417 | static void fore200e_pca_write(u32 val, volatile u32 __iomem *addr) |
418 | { | 418 | { |
419 | /* on big-endian hosts, the board is configured to convert | 419 | /* on big-endian hosts, the board is configured to convert |
420 | the endianess of slave RAM accesses */ | 420 | the endianess of slave RAM accesses */ |
421 | writel(cpu_to_le32(val), addr); | 421 | writel(cpu_to_le32(val), addr); |
422 | } | 422 | } |
423 | 423 | ||
424 | 424 | ||
425 | static u32 | 425 | static u32 |
426 | fore200e_pca_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction) | 426 | fore200e_pca_dma_map(struct fore200e* fore200e, void* virt_addr, int size, int direction) |
427 | { | 427 | { |
428 | u32 dma_addr = pci_map_single((struct pci_dev*)fore200e->bus_dev, virt_addr, size, direction); | 428 | u32 dma_addr = pci_map_single((struct pci_dev*)fore200e->bus_dev, virt_addr, size, direction); |
429 | 429 | ||
430 | DPRINTK(3, "PCI DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d, --> dma_addr = 0x%08x\n", | 430 | DPRINTK(3, "PCI DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d, --> dma_addr = 0x%08x\n", |
431 | virt_addr, size, direction, dma_addr); | 431 | virt_addr, size, direction, dma_addr); |
432 | 432 | ||
433 | return dma_addr; | 433 | return dma_addr; |
434 | } | 434 | } |
435 | 435 | ||
436 | 436 | ||
437 | static void | 437 | static void |
438 | fore200e_pca_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction) | 438 | fore200e_pca_dma_unmap(struct fore200e* fore200e, u32 dma_addr, int size, int direction) |
439 | { | 439 | { |
440 | DPRINTK(3, "PCI DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d\n", | 440 | DPRINTK(3, "PCI DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d\n", |
441 | dma_addr, size, direction); | 441 | dma_addr, size, direction); |
442 | 442 | ||
443 | pci_unmap_single((struct pci_dev*)fore200e->bus_dev, dma_addr, size, direction); | 443 | pci_unmap_single((struct pci_dev*)fore200e->bus_dev, dma_addr, size, direction); |
444 | } | 444 | } |
445 | 445 | ||
446 | 446 | ||
447 | static void | 447 | static void |
448 | fore200e_pca_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction) | 448 | fore200e_pca_dma_sync_for_cpu(struct fore200e* fore200e, u32 dma_addr, int size, int direction) |
449 | { | 449 | { |
450 | DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); | 450 | DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); |
451 | 451 | ||
452 | pci_dma_sync_single_for_cpu((struct pci_dev*)fore200e->bus_dev, dma_addr, size, direction); | 452 | pci_dma_sync_single_for_cpu((struct pci_dev*)fore200e->bus_dev, dma_addr, size, direction); |
453 | } | 453 | } |
454 | 454 | ||
455 | static void | 455 | static void |
456 | fore200e_pca_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction) | 456 | fore200e_pca_dma_sync_for_device(struct fore200e* fore200e, u32 dma_addr, int size, int direction) |
457 | { | 457 | { |
458 | DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); | 458 | DPRINTK(3, "PCI DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); |
459 | 459 | ||
460 | pci_dma_sync_single_for_device((struct pci_dev*)fore200e->bus_dev, dma_addr, size, direction); | 460 | pci_dma_sync_single_for_device((struct pci_dev*)fore200e->bus_dev, dma_addr, size, direction); |
461 | } | 461 | } |
462 | 462 | ||
463 | 463 | ||
464 | /* allocate a DMA consistent chunk of memory intended to act as a communication mechanism | 464 | /* allocate a DMA consistent chunk of memory intended to act as a communication mechanism |
465 | (to hold descriptors, status, queues, etc.) shared by the driver and the adapter */ | 465 | (to hold descriptors, status, queues, etc.) shared by the driver and the adapter */ |
466 | 466 | ||
467 | static int | 467 | static int |
468 | fore200e_pca_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, | 468 | fore200e_pca_dma_chunk_alloc(struct fore200e* fore200e, struct chunk* chunk, |
469 | int size, int nbr, int alignment) | 469 | int size, int nbr, int alignment) |
470 | { | 470 | { |
471 | /* returned chunks are page-aligned */ | 471 | /* returned chunks are page-aligned */ |
472 | chunk->alloc_size = size * nbr; | 472 | chunk->alloc_size = size * nbr; |
473 | chunk->alloc_addr = pci_alloc_consistent((struct pci_dev*)fore200e->bus_dev, | 473 | chunk->alloc_addr = pci_alloc_consistent((struct pci_dev*)fore200e->bus_dev, |
474 | chunk->alloc_size, | 474 | chunk->alloc_size, |
475 | &chunk->dma_addr); | 475 | &chunk->dma_addr); |
476 | 476 | ||
477 | if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) | 477 | if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) |
478 | return -ENOMEM; | 478 | return -ENOMEM; |
479 | 479 | ||
480 | chunk->align_addr = chunk->alloc_addr; | 480 | chunk->align_addr = chunk->alloc_addr; |
481 | 481 | ||
482 | return 0; | 482 | return 0; |
483 | } | 483 | } |
484 | 484 | ||
485 | 485 | ||
486 | /* free a DMA consistent chunk of memory */ | 486 | /* free a DMA consistent chunk of memory */ |
487 | 487 | ||
488 | static void | 488 | static void |
489 | fore200e_pca_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk) | 489 | fore200e_pca_dma_chunk_free(struct fore200e* fore200e, struct chunk* chunk) |
490 | { | 490 | { |
491 | pci_free_consistent((struct pci_dev*)fore200e->bus_dev, | 491 | pci_free_consistent((struct pci_dev*)fore200e->bus_dev, |
492 | chunk->alloc_size, | 492 | chunk->alloc_size, |
493 | chunk->alloc_addr, | 493 | chunk->alloc_addr, |
494 | chunk->dma_addr); | 494 | chunk->dma_addr); |
495 | } | 495 | } |
496 | 496 | ||
497 | 497 | ||
498 | static int | 498 | static int |
499 | fore200e_pca_irq_check(struct fore200e* fore200e) | 499 | fore200e_pca_irq_check(struct fore200e* fore200e) |
500 | { | 500 | { |
501 | /* this is a 1 bit register */ | 501 | /* this is a 1 bit register */ |
502 | int irq_posted = readl(fore200e->regs.pca.psr); | 502 | int irq_posted = readl(fore200e->regs.pca.psr); |
503 | 503 | ||
504 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG == 2) | 504 | #if defined(CONFIG_ATM_FORE200E_DEBUG) && (CONFIG_ATM_FORE200E_DEBUG == 2) |
505 | if (irq_posted && (readl(fore200e->regs.pca.hcr) & PCA200E_HCR_OUTFULL)) { | 505 | if (irq_posted && (readl(fore200e->regs.pca.hcr) & PCA200E_HCR_OUTFULL)) { |
506 | DPRINTK(2,"FIFO OUT full, device %d\n", fore200e->atm_dev->number); | 506 | DPRINTK(2,"FIFO OUT full, device %d\n", fore200e->atm_dev->number); |
507 | } | 507 | } |
508 | #endif | 508 | #endif |
509 | 509 | ||
510 | return irq_posted; | 510 | return irq_posted; |
511 | } | 511 | } |
512 | 512 | ||
513 | 513 | ||
514 | static void | 514 | static void |
515 | fore200e_pca_irq_ack(struct fore200e* fore200e) | 515 | fore200e_pca_irq_ack(struct fore200e* fore200e) |
516 | { | 516 | { |
517 | writel(PCA200E_HCR_CLRINTR, fore200e->regs.pca.hcr); | 517 | writel(PCA200E_HCR_CLRINTR, fore200e->regs.pca.hcr); |
518 | } | 518 | } |
519 | 519 | ||
520 | 520 | ||
521 | static void | 521 | static void |
522 | fore200e_pca_reset(struct fore200e* fore200e) | 522 | fore200e_pca_reset(struct fore200e* fore200e) |
523 | { | 523 | { |
524 | writel(PCA200E_HCR_RESET, fore200e->regs.pca.hcr); | 524 | writel(PCA200E_HCR_RESET, fore200e->regs.pca.hcr); |
525 | fore200e_spin(10); | 525 | fore200e_spin(10); |
526 | writel(0, fore200e->regs.pca.hcr); | 526 | writel(0, fore200e->regs.pca.hcr); |
527 | } | 527 | } |
528 | 528 | ||
529 | 529 | ||
530 | static int __devinit | 530 | static int __devinit |
531 | fore200e_pca_map(struct fore200e* fore200e) | 531 | fore200e_pca_map(struct fore200e* fore200e) |
532 | { | 532 | { |
533 | DPRINTK(2, "device %s being mapped in memory\n", fore200e->name); | 533 | DPRINTK(2, "device %s being mapped in memory\n", fore200e->name); |
534 | 534 | ||
535 | fore200e->virt_base = ioremap(fore200e->phys_base, PCA200E_IOSPACE_LENGTH); | 535 | fore200e->virt_base = ioremap(fore200e->phys_base, PCA200E_IOSPACE_LENGTH); |
536 | 536 | ||
537 | if (fore200e->virt_base == NULL) { | 537 | if (fore200e->virt_base == NULL) { |
538 | printk(FORE200E "can't map device %s\n", fore200e->name); | 538 | printk(FORE200E "can't map device %s\n", fore200e->name); |
539 | return -EFAULT; | 539 | return -EFAULT; |
540 | } | 540 | } |
541 | 541 | ||
542 | DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); | 542 | DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); |
543 | 543 | ||
544 | /* gain access to the PCA specific registers */ | 544 | /* gain access to the PCA specific registers */ |
545 | fore200e->regs.pca.hcr = fore200e->virt_base + PCA200E_HCR_OFFSET; | 545 | fore200e->regs.pca.hcr = fore200e->virt_base + PCA200E_HCR_OFFSET; |
546 | fore200e->regs.pca.imr = fore200e->virt_base + PCA200E_IMR_OFFSET; | 546 | fore200e->regs.pca.imr = fore200e->virt_base + PCA200E_IMR_OFFSET; |
547 | fore200e->regs.pca.psr = fore200e->virt_base + PCA200E_PSR_OFFSET; | 547 | fore200e->regs.pca.psr = fore200e->virt_base + PCA200E_PSR_OFFSET; |
548 | 548 | ||
549 | fore200e->state = FORE200E_STATE_MAP; | 549 | fore200e->state = FORE200E_STATE_MAP; |
550 | return 0; | 550 | return 0; |
551 | } | 551 | } |
552 | 552 | ||
553 | 553 | ||
554 | static void | 554 | static void |
555 | fore200e_pca_unmap(struct fore200e* fore200e) | 555 | fore200e_pca_unmap(struct fore200e* fore200e) |
556 | { | 556 | { |
557 | DPRINTK(2, "device %s being unmapped from memory\n", fore200e->name); | 557 | DPRINTK(2, "device %s being unmapped from memory\n", fore200e->name); |
558 | 558 | ||
559 | if (fore200e->virt_base != NULL) | 559 | if (fore200e->virt_base != NULL) |
560 | iounmap(fore200e->virt_base); | 560 | iounmap(fore200e->virt_base); |
561 | } | 561 | } |
562 | 562 | ||
563 | 563 | ||
564 | static int __devinit | 564 | static int __devinit |
565 | fore200e_pca_configure(struct fore200e* fore200e) | 565 | fore200e_pca_configure(struct fore200e* fore200e) |
566 | { | 566 | { |
567 | struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev; | 567 | struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev; |
568 | u8 master_ctrl, latency; | 568 | u8 master_ctrl, latency; |
569 | 569 | ||
570 | DPRINTK(2, "device %s being configured\n", fore200e->name); | 570 | DPRINTK(2, "device %s being configured\n", fore200e->name); |
571 | 571 | ||
572 | if ((pci_dev->irq == 0) || (pci_dev->irq == 0xFF)) { | 572 | if ((pci_dev->irq == 0) || (pci_dev->irq == 0xFF)) { |
573 | printk(FORE200E "incorrect IRQ setting - misconfigured PCI-PCI bridge?\n"); | 573 | printk(FORE200E "incorrect IRQ setting - misconfigured PCI-PCI bridge?\n"); |
574 | return -EIO; | 574 | return -EIO; |
575 | } | 575 | } |
576 | 576 | ||
577 | pci_read_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, &master_ctrl); | 577 | pci_read_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, &master_ctrl); |
578 | 578 | ||
579 | master_ctrl = master_ctrl | 579 | master_ctrl = master_ctrl |
580 | #if defined(__BIG_ENDIAN) | 580 | #if defined(__BIG_ENDIAN) |
581 | /* request the PCA board to convert the endianess of slave RAM accesses */ | 581 | /* request the PCA board to convert the endianess of slave RAM accesses */ |
582 | | PCA200E_CTRL_CONVERT_ENDIAN | 582 | | PCA200E_CTRL_CONVERT_ENDIAN |
583 | #endif | 583 | #endif |
584 | #if 0 | 584 | #if 0 |
585 | | PCA200E_CTRL_DIS_CACHE_RD | 585 | | PCA200E_CTRL_DIS_CACHE_RD |
586 | | PCA200E_CTRL_DIS_WRT_INVAL | 586 | | PCA200E_CTRL_DIS_WRT_INVAL |
587 | | PCA200E_CTRL_ENA_CONT_REQ_MODE | 587 | | PCA200E_CTRL_ENA_CONT_REQ_MODE |
588 | | PCA200E_CTRL_2_CACHE_WRT_INVAL | 588 | | PCA200E_CTRL_2_CACHE_WRT_INVAL |
589 | #endif | 589 | #endif |
590 | | PCA200E_CTRL_LARGE_PCI_BURSTS; | 590 | | PCA200E_CTRL_LARGE_PCI_BURSTS; |
591 | 591 | ||
592 | pci_write_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, master_ctrl); | 592 | pci_write_config_byte(pci_dev, PCA200E_PCI_MASTER_CTRL, master_ctrl); |
593 | 593 | ||
594 | /* raise latency from 32 (default) to 192, as this seems to prevent NIC | 594 | /* raise latency from 32 (default) to 192, as this seems to prevent NIC |
595 | lockups (under heavy rx loads) due to continuous 'FIFO OUT full' condition. | 595 | lockups (under heavy rx loads) due to continuous 'FIFO OUT full' condition. |
596 | this may impact the performances of other PCI devices on the same bus, though */ | 596 | this may impact the performances of other PCI devices on the same bus, though */ |
597 | latency = 192; | 597 | latency = 192; |
598 | pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); | 598 | pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); |
599 | 599 | ||
600 | fore200e->state = FORE200E_STATE_CONFIGURE; | 600 | fore200e->state = FORE200E_STATE_CONFIGURE; |
601 | return 0; | 601 | return 0; |
602 | } | 602 | } |
603 | 603 | ||
604 | 604 | ||
605 | static int __init | 605 | static int __init |
606 | fore200e_pca_prom_read(struct fore200e* fore200e, struct prom_data* prom) | 606 | fore200e_pca_prom_read(struct fore200e* fore200e, struct prom_data* prom) |
607 | { | 607 | { |
608 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | 608 | struct host_cmdq* cmdq = &fore200e->host_cmdq; |
609 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | 609 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; |
610 | struct prom_opcode opcode; | 610 | struct prom_opcode opcode; |
611 | int ok; | 611 | int ok; |
612 | u32 prom_dma; | 612 | u32 prom_dma; |
613 | 613 | ||
614 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | 614 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); |
615 | 615 | ||
616 | opcode.opcode = OPCODE_GET_PROM; | 616 | opcode.opcode = OPCODE_GET_PROM; |
617 | opcode.pad = 0; | 617 | opcode.pad = 0; |
618 | 618 | ||
619 | prom_dma = fore200e->bus->dma_map(fore200e, prom, sizeof(struct prom_data), DMA_FROM_DEVICE); | 619 | prom_dma = fore200e->bus->dma_map(fore200e, prom, sizeof(struct prom_data), DMA_FROM_DEVICE); |
620 | 620 | ||
621 | fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr); | 621 | fore200e->bus->write(prom_dma, &entry->cp_entry->cmd.prom_block.prom_haddr); |
622 | 622 | ||
623 | *entry->status = STATUS_PENDING; | 623 | *entry->status = STATUS_PENDING; |
624 | 624 | ||
625 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.prom_block.opcode); | 625 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.prom_block.opcode); |
626 | 626 | ||
627 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | 627 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); |
628 | 628 | ||
629 | *entry->status = STATUS_FREE; | 629 | *entry->status = STATUS_FREE; |
630 | 630 | ||
631 | fore200e->bus->dma_unmap(fore200e, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE); | 631 | fore200e->bus->dma_unmap(fore200e, prom_dma, sizeof(struct prom_data), DMA_FROM_DEVICE); |
632 | 632 | ||
633 | if (ok == 0) { | 633 | if (ok == 0) { |
634 | printk(FORE200E "unable to get PROM data from device %s\n", fore200e->name); | 634 | printk(FORE200E "unable to get PROM data from device %s\n", fore200e->name); |
635 | return -EIO; | 635 | return -EIO; |
636 | } | 636 | } |
637 | 637 | ||
638 | #if defined(__BIG_ENDIAN) | 638 | #if defined(__BIG_ENDIAN) |
639 | 639 | ||
640 | #define swap_here(addr) (*((u32*)(addr)) = swab32( *((u32*)(addr)) )) | 640 | #define swap_here(addr) (*((u32*)(addr)) = swab32( *((u32*)(addr)) )) |
641 | 641 | ||
642 | /* MAC address is stored as little-endian */ | 642 | /* MAC address is stored as little-endian */ |
643 | swap_here(&prom->mac_addr[0]); | 643 | swap_here(&prom->mac_addr[0]); |
644 | swap_here(&prom->mac_addr[4]); | 644 | swap_here(&prom->mac_addr[4]); |
645 | #endif | 645 | #endif |
646 | 646 | ||
647 | return 0; | 647 | return 0; |
648 | } | 648 | } |
649 | 649 | ||
650 | 650 | ||
651 | static int | 651 | static int |
652 | fore200e_pca_proc_read(struct fore200e* fore200e, char *page) | 652 | fore200e_pca_proc_read(struct fore200e* fore200e, char *page) |
653 | { | 653 | { |
654 | struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev; | 654 | struct pci_dev* pci_dev = (struct pci_dev*)fore200e->bus_dev; |
655 | 655 | ||
656 | return sprintf(page, " PCI bus/slot/function:\t%d/%d/%d\n", | 656 | return sprintf(page, " PCI bus/slot/function:\t%d/%d/%d\n", |
657 | pci_dev->bus->number, PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); | 657 | pci_dev->bus->number, PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn)); |
658 | } | 658 | } |
659 | 659 | ||
660 | #endif /* CONFIG_PCI */ | 660 | #endif /* CONFIG_PCI */ |
661 | 661 | ||
662 | 662 | ||
663 | #ifdef CONFIG_SBUS | 663 | #ifdef CONFIG_SBUS |
664 | 664 | ||
665 | static u32 fore200e_sba_read(volatile u32 __iomem *addr) | 665 | static u32 fore200e_sba_read(volatile u32 __iomem *addr) |
666 | { | 666 | { |
667 | return sbus_readl(addr); | 667 | return sbus_readl(addr); |
668 | } | 668 | } |
669 | 669 | ||
670 | static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr) | 670 | static void fore200e_sba_write(u32 val, volatile u32 __iomem *addr) |
671 | { | 671 | { |
672 | sbus_writel(val, addr); | 672 | sbus_writel(val, addr); |
673 | } | 673 | } |
674 | 674 | ||
675 | static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction) | 675 | static u32 fore200e_sba_dma_map(struct fore200e *fore200e, void* virt_addr, int size, int direction) |
676 | { | 676 | { |
677 | struct platform_device *op = fore200e->bus_dev; | 677 | struct platform_device *op = fore200e->bus_dev; |
678 | u32 dma_addr; | 678 | u32 dma_addr; |
679 | 679 | ||
680 | dma_addr = dma_map_single(&op->dev, virt_addr, size, direction); | 680 | dma_addr = dma_map_single(&op->dev, virt_addr, size, direction); |
681 | 681 | ||
682 | DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n", | 682 | DPRINTK(3, "SBUS DVMA mapping: virt_addr = 0x%p, size = %d, direction = %d --> dma_addr = 0x%08x\n", |
683 | virt_addr, size, direction, dma_addr); | 683 | virt_addr, size, direction, dma_addr); |
684 | 684 | ||
685 | return dma_addr; | 685 | return dma_addr; |
686 | } | 686 | } |
687 | 687 | ||
688 | static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction) | 688 | static void fore200e_sba_dma_unmap(struct fore200e *fore200e, u32 dma_addr, int size, int direction) |
689 | { | 689 | { |
690 | struct platform_device *op = fore200e->bus_dev; | 690 | struct platform_device *op = fore200e->bus_dev; |
691 | 691 | ||
692 | DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n", | 692 | DPRINTK(3, "SBUS DVMA unmapping: dma_addr = 0x%08x, size = %d, direction = %d,\n", |
693 | dma_addr, size, direction); | 693 | dma_addr, size, direction); |
694 | 694 | ||
695 | dma_unmap_single(&op->dev, dma_addr, size, direction); | 695 | dma_unmap_single(&op->dev, dma_addr, size, direction); |
696 | } | 696 | } |
697 | 697 | ||
698 | static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction) | 698 | static void fore200e_sba_dma_sync_for_cpu(struct fore200e *fore200e, u32 dma_addr, int size, int direction) |
699 | { | 699 | { |
700 | struct platform_device *op = fore200e->bus_dev; | 700 | struct platform_device *op = fore200e->bus_dev; |
701 | 701 | ||
702 | DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); | 702 | DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); |
703 | 703 | ||
704 | dma_sync_single_for_cpu(&op->dev, dma_addr, size, direction); | 704 | dma_sync_single_for_cpu(&op->dev, dma_addr, size, direction); |
705 | } | 705 | } |
706 | 706 | ||
707 | static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction) | 707 | static void fore200e_sba_dma_sync_for_device(struct fore200e *fore200e, u32 dma_addr, int size, int direction) |
708 | { | 708 | { |
709 | struct platform_device *op = fore200e->bus_dev; | 709 | struct platform_device *op = fore200e->bus_dev; |
710 | 710 | ||
711 | DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); | 711 | DPRINTK(3, "SBUS DVMA sync: dma_addr = 0x%08x, size = %d, direction = %d\n", dma_addr, size, direction); |
712 | 712 | ||
713 | dma_sync_single_for_device(&op->dev, dma_addr, size, direction); | 713 | dma_sync_single_for_device(&op->dev, dma_addr, size, direction); |
714 | } | 714 | } |
715 | 715 | ||
716 | /* Allocate a DVMA consistent chunk of memory intended to act as a communication mechanism | 716 | /* Allocate a DVMA consistent chunk of memory intended to act as a communication mechanism |
717 | * (to hold descriptors, status, queues, etc.) shared by the driver and the adapter. | 717 | * (to hold descriptors, status, queues, etc.) shared by the driver and the adapter. |
718 | */ | 718 | */ |
719 | static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk, | 719 | static int fore200e_sba_dma_chunk_alloc(struct fore200e *fore200e, struct chunk *chunk, |
720 | int size, int nbr, int alignment) | 720 | int size, int nbr, int alignment) |
721 | { | 721 | { |
722 | struct platform_device *op = fore200e->bus_dev; | 722 | struct platform_device *op = fore200e->bus_dev; |
723 | 723 | ||
724 | chunk->alloc_size = chunk->align_size = size * nbr; | 724 | chunk->alloc_size = chunk->align_size = size * nbr; |
725 | 725 | ||
726 | /* returned chunks are page-aligned */ | 726 | /* returned chunks are page-aligned */ |
727 | chunk->alloc_addr = dma_alloc_coherent(&op->dev, chunk->alloc_size, | 727 | chunk->alloc_addr = dma_alloc_coherent(&op->dev, chunk->alloc_size, |
728 | &chunk->dma_addr, GFP_ATOMIC); | 728 | &chunk->dma_addr, GFP_ATOMIC); |
729 | 729 | ||
730 | if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) | 730 | if ((chunk->alloc_addr == NULL) || (chunk->dma_addr == 0)) |
731 | return -ENOMEM; | 731 | return -ENOMEM; |
732 | 732 | ||
733 | chunk->align_addr = chunk->alloc_addr; | 733 | chunk->align_addr = chunk->alloc_addr; |
734 | 734 | ||
735 | return 0; | 735 | return 0; |
736 | } | 736 | } |
737 | 737 | ||
738 | /* free a DVMA consistent chunk of memory */ | 738 | /* free a DVMA consistent chunk of memory */ |
739 | static void fore200e_sba_dma_chunk_free(struct fore200e *fore200e, struct chunk *chunk) | 739 | static void fore200e_sba_dma_chunk_free(struct fore200e *fore200e, struct chunk *chunk) |
740 | { | 740 | { |
741 | struct platform_device *op = fore200e->bus_dev; | 741 | struct platform_device *op = fore200e->bus_dev; |
742 | 742 | ||
743 | dma_free_coherent(&op->dev, chunk->alloc_size, | 743 | dma_free_coherent(&op->dev, chunk->alloc_size, |
744 | chunk->alloc_addr, chunk->dma_addr); | 744 | chunk->alloc_addr, chunk->dma_addr); |
745 | } | 745 | } |
746 | 746 | ||
747 | static void fore200e_sba_irq_enable(struct fore200e *fore200e) | 747 | static void fore200e_sba_irq_enable(struct fore200e *fore200e) |
748 | { | 748 | { |
749 | u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; | 749 | u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; |
750 | fore200e->bus->write(hcr | SBA200E_HCR_INTR_ENA, fore200e->regs.sba.hcr); | 750 | fore200e->bus->write(hcr | SBA200E_HCR_INTR_ENA, fore200e->regs.sba.hcr); |
751 | } | 751 | } |
752 | 752 | ||
753 | static int fore200e_sba_irq_check(struct fore200e *fore200e) | 753 | static int fore200e_sba_irq_check(struct fore200e *fore200e) |
754 | { | 754 | { |
755 | return fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_INTR_REQ; | 755 | return fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_INTR_REQ; |
756 | } | 756 | } |
757 | 757 | ||
758 | static void fore200e_sba_irq_ack(struct fore200e *fore200e) | 758 | static void fore200e_sba_irq_ack(struct fore200e *fore200e) |
759 | { | 759 | { |
760 | u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; | 760 | u32 hcr = fore200e->bus->read(fore200e->regs.sba.hcr) & SBA200E_HCR_STICKY; |
761 | fore200e->bus->write(hcr | SBA200E_HCR_INTR_CLR, fore200e->regs.sba.hcr); | 761 | fore200e->bus->write(hcr | SBA200E_HCR_INTR_CLR, fore200e->regs.sba.hcr); |
762 | } | 762 | } |
763 | 763 | ||
764 | static void fore200e_sba_reset(struct fore200e *fore200e) | 764 | static void fore200e_sba_reset(struct fore200e *fore200e) |
765 | { | 765 | { |
766 | fore200e->bus->write(SBA200E_HCR_RESET, fore200e->regs.sba.hcr); | 766 | fore200e->bus->write(SBA200E_HCR_RESET, fore200e->regs.sba.hcr); |
767 | fore200e_spin(10); | 767 | fore200e_spin(10); |
768 | fore200e->bus->write(0, fore200e->regs.sba.hcr); | 768 | fore200e->bus->write(0, fore200e->regs.sba.hcr); |
769 | } | 769 | } |
770 | 770 | ||
771 | static int __init fore200e_sba_map(struct fore200e *fore200e) | 771 | static int __init fore200e_sba_map(struct fore200e *fore200e) |
772 | { | 772 | { |
773 | struct platform_device *op = fore200e->bus_dev; | 773 | struct platform_device *op = fore200e->bus_dev; |
774 | unsigned int bursts; | 774 | unsigned int bursts; |
775 | 775 | ||
776 | /* gain access to the SBA specific registers */ | 776 | /* gain access to the SBA specific registers */ |
777 | fore200e->regs.sba.hcr = of_ioremap(&op->resource[0], 0, SBA200E_HCR_LENGTH, "SBA HCR"); | 777 | fore200e->regs.sba.hcr = of_ioremap(&op->resource[0], 0, SBA200E_HCR_LENGTH, "SBA HCR"); |
778 | fore200e->regs.sba.bsr = of_ioremap(&op->resource[1], 0, SBA200E_BSR_LENGTH, "SBA BSR"); | 778 | fore200e->regs.sba.bsr = of_ioremap(&op->resource[1], 0, SBA200E_BSR_LENGTH, "SBA BSR"); |
779 | fore200e->regs.sba.isr = of_ioremap(&op->resource[2], 0, SBA200E_ISR_LENGTH, "SBA ISR"); | 779 | fore200e->regs.sba.isr = of_ioremap(&op->resource[2], 0, SBA200E_ISR_LENGTH, "SBA ISR"); |
780 | fore200e->virt_base = of_ioremap(&op->resource[3], 0, SBA200E_RAM_LENGTH, "SBA RAM"); | 780 | fore200e->virt_base = of_ioremap(&op->resource[3], 0, SBA200E_RAM_LENGTH, "SBA RAM"); |
781 | 781 | ||
782 | if (!fore200e->virt_base) { | 782 | if (!fore200e->virt_base) { |
783 | printk(FORE200E "unable to map RAM of device %s\n", fore200e->name); | 783 | printk(FORE200E "unable to map RAM of device %s\n", fore200e->name); |
784 | return -EFAULT; | 784 | return -EFAULT; |
785 | } | 785 | } |
786 | 786 | ||
787 | DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); | 787 | DPRINTK(1, "device %s mapped to 0x%p\n", fore200e->name, fore200e->virt_base); |
788 | 788 | ||
789 | fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */ | 789 | fore200e->bus->write(0x02, fore200e->regs.sba.isr); /* XXX hardwired interrupt level */ |
790 | 790 | ||
791 | /* get the supported DVMA burst sizes */ | 791 | /* get the supported DVMA burst sizes */ |
792 | bursts = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0x00); | 792 | bursts = of_getintprop_default(op->dev.of_node->parent, "burst-sizes", 0x00); |
793 | 793 | ||
794 | if (sbus_can_dma_64bit()) | 794 | if (sbus_can_dma_64bit()) |
795 | sbus_set_sbus64(&op->dev, bursts); | 795 | sbus_set_sbus64(&op->dev, bursts); |
796 | 796 | ||
797 | fore200e->state = FORE200E_STATE_MAP; | 797 | fore200e->state = FORE200E_STATE_MAP; |
798 | return 0; | 798 | return 0; |
799 | } | 799 | } |
800 | 800 | ||
801 | static void fore200e_sba_unmap(struct fore200e *fore200e) | 801 | static void fore200e_sba_unmap(struct fore200e *fore200e) |
802 | { | 802 | { |
803 | struct platform_device *op = fore200e->bus_dev; | 803 | struct platform_device *op = fore200e->bus_dev; |
804 | 804 | ||
805 | of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH); | 805 | of_iounmap(&op->resource[0], fore200e->regs.sba.hcr, SBA200E_HCR_LENGTH); |
806 | of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH); | 806 | of_iounmap(&op->resource[1], fore200e->regs.sba.bsr, SBA200E_BSR_LENGTH); |
807 | of_iounmap(&op->resource[2], fore200e->regs.sba.isr, SBA200E_ISR_LENGTH); | 807 | of_iounmap(&op->resource[2], fore200e->regs.sba.isr, SBA200E_ISR_LENGTH); |
808 | of_iounmap(&op->resource[3], fore200e->virt_base, SBA200E_RAM_LENGTH); | 808 | of_iounmap(&op->resource[3], fore200e->virt_base, SBA200E_RAM_LENGTH); |
809 | } | 809 | } |
810 | 810 | ||
811 | static int __init fore200e_sba_configure(struct fore200e *fore200e) | 811 | static int __init fore200e_sba_configure(struct fore200e *fore200e) |
812 | { | 812 | { |
813 | fore200e->state = FORE200E_STATE_CONFIGURE; | 813 | fore200e->state = FORE200E_STATE_CONFIGURE; |
814 | return 0; | 814 | return 0; |
815 | } | 815 | } |
816 | 816 | ||
817 | static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom) | 817 | static int __init fore200e_sba_prom_read(struct fore200e *fore200e, struct prom_data *prom) |
818 | { | 818 | { |
819 | struct platform_device *op = fore200e->bus_dev; | 819 | struct platform_device *op = fore200e->bus_dev; |
820 | const u8 *prop; | 820 | const u8 *prop; |
821 | int len; | 821 | int len; |
822 | 822 | ||
823 | prop = of_get_property(op->dev.of_node, "madaddrlo2", &len); | 823 | prop = of_get_property(op->dev.of_node, "madaddrlo2", &len); |
824 | if (!prop) | 824 | if (!prop) |
825 | return -ENODEV; | 825 | return -ENODEV; |
826 | memcpy(&prom->mac_addr[4], prop, 4); | 826 | memcpy(&prom->mac_addr[4], prop, 4); |
827 | 827 | ||
828 | prop = of_get_property(op->dev.of_node, "madaddrhi4", &len); | 828 | prop = of_get_property(op->dev.of_node, "madaddrhi4", &len); |
829 | if (!prop) | 829 | if (!prop) |
830 | return -ENODEV; | 830 | return -ENODEV; |
831 | memcpy(&prom->mac_addr[2], prop, 4); | 831 | memcpy(&prom->mac_addr[2], prop, 4); |
832 | 832 | ||
833 | prom->serial_number = of_getintprop_default(op->dev.of_node, | 833 | prom->serial_number = of_getintprop_default(op->dev.of_node, |
834 | "serialnumber", 0); | 834 | "serialnumber", 0); |
835 | prom->hw_revision = of_getintprop_default(op->dev.of_node, | 835 | prom->hw_revision = of_getintprop_default(op->dev.of_node, |
836 | "promversion", 0); | 836 | "promversion", 0); |
837 | 837 | ||
838 | return 0; | 838 | return 0; |
839 | } | 839 | } |
840 | 840 | ||
841 | static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page) | 841 | static int fore200e_sba_proc_read(struct fore200e *fore200e, char *page) |
842 | { | 842 | { |
843 | struct platform_device *op = fore200e->bus_dev; | 843 | struct platform_device *op = fore200e->bus_dev; |
844 | const struct linux_prom_registers *regs; | 844 | const struct linux_prom_registers *regs; |
845 | 845 | ||
846 | regs = of_get_property(op->dev.of_node, "reg", NULL); | 846 | regs = of_get_property(op->dev.of_node, "reg", NULL); |
847 | 847 | ||
848 | return sprintf(page, " SBUS slot/device:\t\t%d/'%s'\n", | 848 | return sprintf(page, " SBUS slot/device:\t\t%d/'%s'\n", |
849 | (regs ? regs->which_io : 0), op->dev.of_node->name); | 849 | (regs ? regs->which_io : 0), op->dev.of_node->name); |
850 | } | 850 | } |
851 | #endif /* CONFIG_SBUS */ | 851 | #endif /* CONFIG_SBUS */ |
852 | 852 | ||
853 | 853 | ||
854 | static void | 854 | static void |
855 | fore200e_tx_irq(struct fore200e* fore200e) | 855 | fore200e_tx_irq(struct fore200e* fore200e) |
856 | { | 856 | { |
857 | struct host_txq* txq = &fore200e->host_txq; | 857 | struct host_txq* txq = &fore200e->host_txq; |
858 | struct host_txq_entry* entry; | 858 | struct host_txq_entry* entry; |
859 | struct atm_vcc* vcc; | 859 | struct atm_vcc* vcc; |
860 | struct fore200e_vc_map* vc_map; | 860 | struct fore200e_vc_map* vc_map; |
861 | 861 | ||
862 | if (fore200e->host_txq.txing == 0) | 862 | if (fore200e->host_txq.txing == 0) |
863 | return; | 863 | return; |
864 | 864 | ||
865 | for (;;) { | 865 | for (;;) { |
866 | 866 | ||
867 | entry = &txq->host_entry[ txq->tail ]; | 867 | entry = &txq->host_entry[ txq->tail ]; |
868 | 868 | ||
869 | if ((*entry->status & STATUS_COMPLETE) == 0) { | 869 | if ((*entry->status & STATUS_COMPLETE) == 0) { |
870 | break; | 870 | break; |
871 | } | 871 | } |
872 | 872 | ||
873 | DPRINTK(3, "TX COMPLETED: entry = %p [tail = %d], vc_map = %p, skb = %p\n", | 873 | DPRINTK(3, "TX COMPLETED: entry = %p [tail = %d], vc_map = %p, skb = %p\n", |
874 | entry, txq->tail, entry->vc_map, entry->skb); | 874 | entry, txq->tail, entry->vc_map, entry->skb); |
875 | 875 | ||
876 | /* free copy of misaligned data */ | 876 | /* free copy of misaligned data */ |
877 | kfree(entry->data); | 877 | kfree(entry->data); |
878 | 878 | ||
879 | /* remove DMA mapping */ | 879 | /* remove DMA mapping */ |
880 | fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length, | 880 | fore200e->bus->dma_unmap(fore200e, entry->tpd->tsd[ 0 ].buffer, entry->tpd->tsd[ 0 ].length, |
881 | DMA_TO_DEVICE); | 881 | DMA_TO_DEVICE); |
882 | 882 | ||
883 | vc_map = entry->vc_map; | 883 | vc_map = entry->vc_map; |
884 | 884 | ||
885 | /* vcc closed since the time the entry was submitted for tx? */ | 885 | /* vcc closed since the time the entry was submitted for tx? */ |
886 | if ((vc_map->vcc == NULL) || | 886 | if ((vc_map->vcc == NULL) || |
887 | (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { | 887 | (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { |
888 | 888 | ||
889 | DPRINTK(1, "no ready vcc found for PDU sent on device %d\n", | 889 | DPRINTK(1, "no ready vcc found for PDU sent on device %d\n", |
890 | fore200e->atm_dev->number); | 890 | fore200e->atm_dev->number); |
891 | 891 | ||
892 | dev_kfree_skb_any(entry->skb); | 892 | dev_kfree_skb_any(entry->skb); |
893 | } | 893 | } |
894 | else { | 894 | else { |
895 | ASSERT(vc_map->vcc); | 895 | ASSERT(vc_map->vcc); |
896 | 896 | ||
897 | /* vcc closed then immediately re-opened? */ | 897 | /* vcc closed then immediately re-opened? */ |
898 | if (vc_map->incarn != entry->incarn) { | 898 | if (vc_map->incarn != entry->incarn) { |
899 | 899 | ||
900 | /* when a vcc is closed, some PDUs may be still pending in the tx queue. | 900 | /* when a vcc is closed, some PDUs may be still pending in the tx queue. |
901 | if the same vcc is immediately re-opened, those pending PDUs must | 901 | if the same vcc is immediately re-opened, those pending PDUs must |
902 | not be popped after the completion of their emission, as they refer | 902 | not be popped after the completion of their emission, as they refer |
903 | to the prior incarnation of that vcc. otherwise, sk_atm(vcc)->sk_wmem_alloc | 903 | to the prior incarnation of that vcc. otherwise, sk_atm(vcc)->sk_wmem_alloc |
904 | would be decremented by the size of the (unrelated) skb, possibly | 904 | would be decremented by the size of the (unrelated) skb, possibly |
905 | leading to a negative sk->sk_wmem_alloc count, ultimately freezing the vcc. | 905 | leading to a negative sk->sk_wmem_alloc count, ultimately freezing the vcc. |
906 | we thus bind the tx entry to the current incarnation of the vcc | 906 | we thus bind the tx entry to the current incarnation of the vcc |
907 | when the entry is submitted for tx. When the tx later completes, | 907 | when the entry is submitted for tx. When the tx later completes, |
908 | if the incarnation number of the tx entry does not match the one | 908 | if the incarnation number of the tx entry does not match the one |
909 | of the vcc, then this implies that the vcc has been closed then re-opened. | 909 | of the vcc, then this implies that the vcc has been closed then re-opened. |
910 | we thus just drop the skb here. */ | 910 | we thus just drop the skb here. */ |
911 | 911 | ||
912 | DPRINTK(1, "vcc closed-then-re-opened; dropping PDU sent on device %d\n", | 912 | DPRINTK(1, "vcc closed-then-re-opened; dropping PDU sent on device %d\n", |
913 | fore200e->atm_dev->number); | 913 | fore200e->atm_dev->number); |
914 | 914 | ||
915 | dev_kfree_skb_any(entry->skb); | 915 | dev_kfree_skb_any(entry->skb); |
916 | } | 916 | } |
917 | else { | 917 | else { |
918 | vcc = vc_map->vcc; | 918 | vcc = vc_map->vcc; |
919 | ASSERT(vcc); | 919 | ASSERT(vcc); |
920 | 920 | ||
921 | /* notify tx completion */ | 921 | /* notify tx completion */ |
922 | if (vcc->pop) { | 922 | if (vcc->pop) { |
923 | vcc->pop(vcc, entry->skb); | 923 | vcc->pop(vcc, entry->skb); |
924 | } | 924 | } |
925 | else { | 925 | else { |
926 | dev_kfree_skb_any(entry->skb); | 926 | dev_kfree_skb_any(entry->skb); |
927 | } | 927 | } |
928 | #if 1 | 928 | #if 1 |
929 | /* race fixed by the above incarnation mechanism, but... */ | 929 | /* race fixed by the above incarnation mechanism, but... */ |
930 | if (atomic_read(&sk_atm(vcc)->sk_wmem_alloc) < 0) { | 930 | if (atomic_read(&sk_atm(vcc)->sk_wmem_alloc) < 0) { |
931 | atomic_set(&sk_atm(vcc)->sk_wmem_alloc, 0); | 931 | atomic_set(&sk_atm(vcc)->sk_wmem_alloc, 0); |
932 | } | 932 | } |
933 | #endif | 933 | #endif |
934 | /* check error condition */ | 934 | /* check error condition */ |
935 | if (*entry->status & STATUS_ERROR) | 935 | if (*entry->status & STATUS_ERROR) |
936 | atomic_inc(&vcc->stats->tx_err); | 936 | atomic_inc(&vcc->stats->tx_err); |
937 | else | 937 | else |
938 | atomic_inc(&vcc->stats->tx); | 938 | atomic_inc(&vcc->stats->tx); |
939 | } | 939 | } |
940 | } | 940 | } |
941 | 941 | ||
942 | *entry->status = STATUS_FREE; | 942 | *entry->status = STATUS_FREE; |
943 | 943 | ||
944 | fore200e->host_txq.txing--; | 944 | fore200e->host_txq.txing--; |
945 | 945 | ||
946 | FORE200E_NEXT_ENTRY(txq->tail, QUEUE_SIZE_TX); | 946 | FORE200E_NEXT_ENTRY(txq->tail, QUEUE_SIZE_TX); |
947 | } | 947 | } |
948 | } | 948 | } |
949 | 949 | ||
950 | 950 | ||
951 | #ifdef FORE200E_BSQ_DEBUG | 951 | #ifdef FORE200E_BSQ_DEBUG |
952 | int bsq_audit(int where, struct host_bsq* bsq, int scheme, int magn) | 952 | int bsq_audit(int where, struct host_bsq* bsq, int scheme, int magn) |
953 | { | 953 | { |
954 | struct buffer* buffer; | 954 | struct buffer* buffer; |
955 | int count = 0; | 955 | int count = 0; |
956 | 956 | ||
957 | buffer = bsq->freebuf; | 957 | buffer = bsq->freebuf; |
958 | while (buffer) { | 958 | while (buffer) { |
959 | 959 | ||
960 | if (buffer->supplied) { | 960 | if (buffer->supplied) { |
961 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld supplied but in free list!\n", | 961 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld supplied but in free list!\n", |
962 | where, scheme, magn, buffer->index); | 962 | where, scheme, magn, buffer->index); |
963 | } | 963 | } |
964 | 964 | ||
965 | if (buffer->magn != magn) { | 965 | if (buffer->magn != magn) { |
966 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected magn = %d\n", | 966 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected magn = %d\n", |
967 | where, scheme, magn, buffer->index, buffer->magn); | 967 | where, scheme, magn, buffer->index, buffer->magn); |
968 | } | 968 | } |
969 | 969 | ||
970 | if (buffer->scheme != scheme) { | 970 | if (buffer->scheme != scheme) { |
971 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected scheme = %d\n", | 971 | printk(FORE200E "bsq_audit(%d): queue %d.%d, buffer %ld, unexpected scheme = %d\n", |
972 | where, scheme, magn, buffer->index, buffer->scheme); | 972 | where, scheme, magn, buffer->index, buffer->scheme); |
973 | } | 973 | } |
974 | 974 | ||
975 | if ((buffer->index < 0) || (buffer->index >= fore200e_rx_buf_nbr[ scheme ][ magn ])) { | 975 | if ((buffer->index < 0) || (buffer->index >= fore200e_rx_buf_nbr[ scheme ][ magn ])) { |
976 | printk(FORE200E "bsq_audit(%d): queue %d.%d, out of range buffer index = %ld !\n", | 976 | printk(FORE200E "bsq_audit(%d): queue %d.%d, out of range buffer index = %ld !\n", |
977 | where, scheme, magn, buffer->index); | 977 | where, scheme, magn, buffer->index); |
978 | } | 978 | } |
979 | 979 | ||
980 | count++; | 980 | count++; |
981 | buffer = buffer->next; | 981 | buffer = buffer->next; |
982 | } | 982 | } |
983 | 983 | ||
984 | if (count != bsq->freebuf_count) { | 984 | if (count != bsq->freebuf_count) { |
985 | printk(FORE200E "bsq_audit(%d): queue %d.%d, %d bufs in free list, but freebuf_count = %d\n", | 985 | printk(FORE200E "bsq_audit(%d): queue %d.%d, %d bufs in free list, but freebuf_count = %d\n", |
986 | where, scheme, magn, count, bsq->freebuf_count); | 986 | where, scheme, magn, count, bsq->freebuf_count); |
987 | } | 987 | } |
988 | return 0; | 988 | return 0; |
989 | } | 989 | } |
990 | #endif | 990 | #endif |
991 | 991 | ||
992 | 992 | ||
993 | static void | 993 | static void |
994 | fore200e_supply(struct fore200e* fore200e) | 994 | fore200e_supply(struct fore200e* fore200e) |
995 | { | 995 | { |
996 | int scheme, magn, i; | 996 | int scheme, magn, i; |
997 | 997 | ||
998 | struct host_bsq* bsq; | 998 | struct host_bsq* bsq; |
999 | struct host_bsq_entry* entry; | 999 | struct host_bsq_entry* entry; |
1000 | struct buffer* buffer; | 1000 | struct buffer* buffer; |
1001 | 1001 | ||
1002 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | 1002 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { |
1003 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | 1003 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { |
1004 | 1004 | ||
1005 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; | 1005 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; |
1006 | 1006 | ||
1007 | #ifdef FORE200E_BSQ_DEBUG | 1007 | #ifdef FORE200E_BSQ_DEBUG |
1008 | bsq_audit(1, bsq, scheme, magn); | 1008 | bsq_audit(1, bsq, scheme, magn); |
1009 | #endif | 1009 | #endif |
1010 | while (bsq->freebuf_count >= RBD_BLK_SIZE) { | 1010 | while (bsq->freebuf_count >= RBD_BLK_SIZE) { |
1011 | 1011 | ||
1012 | DPRINTK(2, "supplying %d rx buffers to queue %d / %d, freebuf_count = %d\n", | 1012 | DPRINTK(2, "supplying %d rx buffers to queue %d / %d, freebuf_count = %d\n", |
1013 | RBD_BLK_SIZE, scheme, magn, bsq->freebuf_count); | 1013 | RBD_BLK_SIZE, scheme, magn, bsq->freebuf_count); |
1014 | 1014 | ||
1015 | entry = &bsq->host_entry[ bsq->head ]; | 1015 | entry = &bsq->host_entry[ bsq->head ]; |
1016 | 1016 | ||
1017 | for (i = 0; i < RBD_BLK_SIZE; i++) { | 1017 | for (i = 0; i < RBD_BLK_SIZE; i++) { |
1018 | 1018 | ||
1019 | /* take the first buffer in the free buffer list */ | 1019 | /* take the first buffer in the free buffer list */ |
1020 | buffer = bsq->freebuf; | 1020 | buffer = bsq->freebuf; |
1021 | if (!buffer) { | 1021 | if (!buffer) { |
1022 | printk(FORE200E "no more free bufs in queue %d.%d, but freebuf_count = %d\n", | 1022 | printk(FORE200E "no more free bufs in queue %d.%d, but freebuf_count = %d\n", |
1023 | scheme, magn, bsq->freebuf_count); | 1023 | scheme, magn, bsq->freebuf_count); |
1024 | return; | 1024 | return; |
1025 | } | 1025 | } |
1026 | bsq->freebuf = buffer->next; | 1026 | bsq->freebuf = buffer->next; |
1027 | 1027 | ||
1028 | #ifdef FORE200E_BSQ_DEBUG | 1028 | #ifdef FORE200E_BSQ_DEBUG |
1029 | if (buffer->supplied) | 1029 | if (buffer->supplied) |
1030 | printk(FORE200E "queue %d.%d, buffer %lu already supplied\n", | 1030 | printk(FORE200E "queue %d.%d, buffer %lu already supplied\n", |
1031 | scheme, magn, buffer->index); | 1031 | scheme, magn, buffer->index); |
1032 | buffer->supplied = 1; | 1032 | buffer->supplied = 1; |
1033 | #endif | 1033 | #endif |
1034 | entry->rbd_block->rbd[ i ].buffer_haddr = buffer->data.dma_addr; | 1034 | entry->rbd_block->rbd[ i ].buffer_haddr = buffer->data.dma_addr; |
1035 | entry->rbd_block->rbd[ i ].handle = FORE200E_BUF2HDL(buffer); | 1035 | entry->rbd_block->rbd[ i ].handle = FORE200E_BUF2HDL(buffer); |
1036 | } | 1036 | } |
1037 | 1037 | ||
1038 | FORE200E_NEXT_ENTRY(bsq->head, QUEUE_SIZE_BS); | 1038 | FORE200E_NEXT_ENTRY(bsq->head, QUEUE_SIZE_BS); |
1039 | 1039 | ||
1040 | /* decrease accordingly the number of free rx buffers */ | 1040 | /* decrease accordingly the number of free rx buffers */ |
1041 | bsq->freebuf_count -= RBD_BLK_SIZE; | 1041 | bsq->freebuf_count -= RBD_BLK_SIZE; |
1042 | 1042 | ||
1043 | *entry->status = STATUS_PENDING; | 1043 | *entry->status = STATUS_PENDING; |
1044 | fore200e->bus->write(entry->rbd_block_dma, &entry->cp_entry->rbd_block_haddr); | 1044 | fore200e->bus->write(entry->rbd_block_dma, &entry->cp_entry->rbd_block_haddr); |
1045 | } | 1045 | } |
1046 | } | 1046 | } |
1047 | } | 1047 | } |
1048 | } | 1048 | } |
1049 | 1049 | ||
1050 | 1050 | ||
1051 | static int | 1051 | static int |
1052 | fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rpd) | 1052 | fore200e_push_rpd(struct fore200e* fore200e, struct atm_vcc* vcc, struct rpd* rpd) |
1053 | { | 1053 | { |
1054 | struct sk_buff* skb; | 1054 | struct sk_buff* skb; |
1055 | struct buffer* buffer; | 1055 | struct buffer* buffer; |
1056 | struct fore200e_vcc* fore200e_vcc; | 1056 | struct fore200e_vcc* fore200e_vcc; |
1057 | int i, pdu_len = 0; | 1057 | int i, pdu_len = 0; |
1058 | #ifdef FORE200E_52BYTE_AAL0_SDU | 1058 | #ifdef FORE200E_52BYTE_AAL0_SDU |
1059 | u32 cell_header = 0; | 1059 | u32 cell_header = 0; |
1060 | #endif | 1060 | #endif |
1061 | 1061 | ||
1062 | ASSERT(vcc); | 1062 | ASSERT(vcc); |
1063 | 1063 | ||
1064 | fore200e_vcc = FORE200E_VCC(vcc); | 1064 | fore200e_vcc = FORE200E_VCC(vcc); |
1065 | ASSERT(fore200e_vcc); | 1065 | ASSERT(fore200e_vcc); |
1066 | 1066 | ||
1067 | #ifdef FORE200E_52BYTE_AAL0_SDU | 1067 | #ifdef FORE200E_52BYTE_AAL0_SDU |
1068 | if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.rxtp.max_sdu == ATM_AAL0_SDU)) { | 1068 | if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.rxtp.max_sdu == ATM_AAL0_SDU)) { |
1069 | 1069 | ||
1070 | cell_header = (rpd->atm_header.gfc << ATM_HDR_GFC_SHIFT) | | 1070 | cell_header = (rpd->atm_header.gfc << ATM_HDR_GFC_SHIFT) | |
1071 | (rpd->atm_header.vpi << ATM_HDR_VPI_SHIFT) | | 1071 | (rpd->atm_header.vpi << ATM_HDR_VPI_SHIFT) | |
1072 | (rpd->atm_header.vci << ATM_HDR_VCI_SHIFT) | | 1072 | (rpd->atm_header.vci << ATM_HDR_VCI_SHIFT) | |
1073 | (rpd->atm_header.plt << ATM_HDR_PTI_SHIFT) | | 1073 | (rpd->atm_header.plt << ATM_HDR_PTI_SHIFT) | |
1074 | rpd->atm_header.clp; | 1074 | rpd->atm_header.clp; |
1075 | pdu_len = 4; | 1075 | pdu_len = 4; |
1076 | } | 1076 | } |
1077 | #endif | 1077 | #endif |
1078 | 1078 | ||
1079 | /* compute total PDU length */ | 1079 | /* compute total PDU length */ |
1080 | for (i = 0; i < rpd->nseg; i++) | 1080 | for (i = 0; i < rpd->nseg; i++) |
1081 | pdu_len += rpd->rsd[ i ].length; | 1081 | pdu_len += rpd->rsd[ i ].length; |
1082 | 1082 | ||
1083 | skb = alloc_skb(pdu_len, GFP_ATOMIC); | 1083 | skb = alloc_skb(pdu_len, GFP_ATOMIC); |
1084 | if (skb == NULL) { | 1084 | if (skb == NULL) { |
1085 | DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); | 1085 | DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); |
1086 | 1086 | ||
1087 | atomic_inc(&vcc->stats->rx_drop); | 1087 | atomic_inc(&vcc->stats->rx_drop); |
1088 | return -ENOMEM; | 1088 | return -ENOMEM; |
1089 | } | 1089 | } |
1090 | 1090 | ||
1091 | __net_timestamp(skb); | 1091 | __net_timestamp(skb); |
1092 | 1092 | ||
1093 | #ifdef FORE200E_52BYTE_AAL0_SDU | 1093 | #ifdef FORE200E_52BYTE_AAL0_SDU |
1094 | if (cell_header) { | 1094 | if (cell_header) { |
1095 | *((u32*)skb_put(skb, 4)) = cell_header; | 1095 | *((u32*)skb_put(skb, 4)) = cell_header; |
1096 | } | 1096 | } |
1097 | #endif | 1097 | #endif |
1098 | 1098 | ||
1099 | /* reassemble segments */ | 1099 | /* reassemble segments */ |
1100 | for (i = 0; i < rpd->nseg; i++) { | 1100 | for (i = 0; i < rpd->nseg; i++) { |
1101 | 1101 | ||
1102 | /* rebuild rx buffer address from rsd handle */ | 1102 | /* rebuild rx buffer address from rsd handle */ |
1103 | buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); | 1103 | buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); |
1104 | 1104 | ||
1105 | /* Make device DMA transfer visible to CPU. */ | 1105 | /* Make device DMA transfer visible to CPU. */ |
1106 | fore200e->bus->dma_sync_for_cpu(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); | 1106 | fore200e->bus->dma_sync_for_cpu(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); |
1107 | 1107 | ||
1108 | memcpy(skb_put(skb, rpd->rsd[ i ].length), buffer->data.align_addr, rpd->rsd[ i ].length); | 1108 | memcpy(skb_put(skb, rpd->rsd[ i ].length), buffer->data.align_addr, rpd->rsd[ i ].length); |
1109 | 1109 | ||
1110 | /* Now let the device get at it again. */ | 1110 | /* Now let the device get at it again. */ |
1111 | fore200e->bus->dma_sync_for_device(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); | 1111 | fore200e->bus->dma_sync_for_device(fore200e, buffer->data.dma_addr, rpd->rsd[ i ].length, DMA_FROM_DEVICE); |
1112 | } | 1112 | } |
1113 | 1113 | ||
1114 | DPRINTK(3, "rx skb: len = %d, truesize = %d\n", skb->len, skb->truesize); | 1114 | DPRINTK(3, "rx skb: len = %d, truesize = %d\n", skb->len, skb->truesize); |
1115 | 1115 | ||
1116 | if (pdu_len < fore200e_vcc->rx_min_pdu) | 1116 | if (pdu_len < fore200e_vcc->rx_min_pdu) |
1117 | fore200e_vcc->rx_min_pdu = pdu_len; | 1117 | fore200e_vcc->rx_min_pdu = pdu_len; |
1118 | if (pdu_len > fore200e_vcc->rx_max_pdu) | 1118 | if (pdu_len > fore200e_vcc->rx_max_pdu) |
1119 | fore200e_vcc->rx_max_pdu = pdu_len; | 1119 | fore200e_vcc->rx_max_pdu = pdu_len; |
1120 | fore200e_vcc->rx_pdu++; | 1120 | fore200e_vcc->rx_pdu++; |
1121 | 1121 | ||
1122 | /* push PDU */ | 1122 | /* push PDU */ |
1123 | if (atm_charge(vcc, skb->truesize) == 0) { | 1123 | if (atm_charge(vcc, skb->truesize) == 0) { |
1124 | 1124 | ||
1125 | DPRINTK(2, "receive buffers saturated for %d.%d.%d - PDU dropped\n", | 1125 | DPRINTK(2, "receive buffers saturated for %d.%d.%d - PDU dropped\n", |
1126 | vcc->itf, vcc->vpi, vcc->vci); | 1126 | vcc->itf, vcc->vpi, vcc->vci); |
1127 | 1127 | ||
1128 | dev_kfree_skb_any(skb); | 1128 | dev_kfree_skb_any(skb); |
1129 | 1129 | ||
1130 | atomic_inc(&vcc->stats->rx_drop); | 1130 | atomic_inc(&vcc->stats->rx_drop); |
1131 | return -ENOMEM; | 1131 | return -ENOMEM; |
1132 | } | 1132 | } |
1133 | 1133 | ||
1134 | ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); | 1134 | ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); |
1135 | 1135 | ||
1136 | vcc->push(vcc, skb); | 1136 | vcc->push(vcc, skb); |
1137 | atomic_inc(&vcc->stats->rx); | 1137 | atomic_inc(&vcc->stats->rx); |
1138 | 1138 | ||
1139 | ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); | 1139 | ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); |
1140 | 1140 | ||
1141 | return 0; | 1141 | return 0; |
1142 | } | 1142 | } |
1143 | 1143 | ||
1144 | 1144 | ||
1145 | static void | 1145 | static void |
1146 | fore200e_collect_rpd(struct fore200e* fore200e, struct rpd* rpd) | 1146 | fore200e_collect_rpd(struct fore200e* fore200e, struct rpd* rpd) |
1147 | { | 1147 | { |
1148 | struct host_bsq* bsq; | 1148 | struct host_bsq* bsq; |
1149 | struct buffer* buffer; | 1149 | struct buffer* buffer; |
1150 | int i; | 1150 | int i; |
1151 | 1151 | ||
1152 | for (i = 0; i < rpd->nseg; i++) { | 1152 | for (i = 0; i < rpd->nseg; i++) { |
1153 | 1153 | ||
1154 | /* rebuild rx buffer address from rsd handle */ | 1154 | /* rebuild rx buffer address from rsd handle */ |
1155 | buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); | 1155 | buffer = FORE200E_HDL2BUF(rpd->rsd[ i ].handle); |
1156 | 1156 | ||
1157 | bsq = &fore200e->host_bsq[ buffer->scheme ][ buffer->magn ]; | 1157 | bsq = &fore200e->host_bsq[ buffer->scheme ][ buffer->magn ]; |
1158 | 1158 | ||
1159 | #ifdef FORE200E_BSQ_DEBUG | 1159 | #ifdef FORE200E_BSQ_DEBUG |
1160 | bsq_audit(2, bsq, buffer->scheme, buffer->magn); | 1160 | bsq_audit(2, bsq, buffer->scheme, buffer->magn); |
1161 | 1161 | ||
1162 | if (buffer->supplied == 0) | 1162 | if (buffer->supplied == 0) |
1163 | printk(FORE200E "queue %d.%d, buffer %ld was not supplied\n", | 1163 | printk(FORE200E "queue %d.%d, buffer %ld was not supplied\n", |
1164 | buffer->scheme, buffer->magn, buffer->index); | 1164 | buffer->scheme, buffer->magn, buffer->index); |
1165 | buffer->supplied = 0; | 1165 | buffer->supplied = 0; |
1166 | #endif | 1166 | #endif |
1167 | 1167 | ||
1168 | /* re-insert the buffer into the free buffer list */ | 1168 | /* re-insert the buffer into the free buffer list */ |
1169 | buffer->next = bsq->freebuf; | 1169 | buffer->next = bsq->freebuf; |
1170 | bsq->freebuf = buffer; | 1170 | bsq->freebuf = buffer; |
1171 | 1171 | ||
1172 | /* then increment the number of free rx buffers */ | 1172 | /* then increment the number of free rx buffers */ |
1173 | bsq->freebuf_count++; | 1173 | bsq->freebuf_count++; |
1174 | } | 1174 | } |
1175 | } | 1175 | } |
1176 | 1176 | ||
1177 | 1177 | ||
1178 | static void | 1178 | static void |
1179 | fore200e_rx_irq(struct fore200e* fore200e) | 1179 | fore200e_rx_irq(struct fore200e* fore200e) |
1180 | { | 1180 | { |
1181 | struct host_rxq* rxq = &fore200e->host_rxq; | 1181 | struct host_rxq* rxq = &fore200e->host_rxq; |
1182 | struct host_rxq_entry* entry; | 1182 | struct host_rxq_entry* entry; |
1183 | struct atm_vcc* vcc; | 1183 | struct atm_vcc* vcc; |
1184 | struct fore200e_vc_map* vc_map; | 1184 | struct fore200e_vc_map* vc_map; |
1185 | 1185 | ||
1186 | for (;;) { | 1186 | for (;;) { |
1187 | 1187 | ||
1188 | entry = &rxq->host_entry[ rxq->head ]; | 1188 | entry = &rxq->host_entry[ rxq->head ]; |
1189 | 1189 | ||
1190 | /* no more received PDUs */ | 1190 | /* no more received PDUs */ |
1191 | if ((*entry->status & STATUS_COMPLETE) == 0) | 1191 | if ((*entry->status & STATUS_COMPLETE) == 0) |
1192 | break; | 1192 | break; |
1193 | 1193 | ||
1194 | vc_map = FORE200E_VC_MAP(fore200e, entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); | 1194 | vc_map = FORE200E_VC_MAP(fore200e, entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); |
1195 | 1195 | ||
1196 | if ((vc_map->vcc == NULL) || | 1196 | if ((vc_map->vcc == NULL) || |
1197 | (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { | 1197 | (test_bit(ATM_VF_READY, &vc_map->vcc->flags) == 0)) { |
1198 | 1198 | ||
1199 | DPRINTK(1, "no ready VC found for PDU received on %d.%d.%d\n", | 1199 | DPRINTK(1, "no ready VC found for PDU received on %d.%d.%d\n", |
1200 | fore200e->atm_dev->number, | 1200 | fore200e->atm_dev->number, |
1201 | entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); | 1201 | entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); |
1202 | } | 1202 | } |
1203 | else { | 1203 | else { |
1204 | vcc = vc_map->vcc; | 1204 | vcc = vc_map->vcc; |
1205 | ASSERT(vcc); | 1205 | ASSERT(vcc); |
1206 | 1206 | ||
1207 | if ((*entry->status & STATUS_ERROR) == 0) { | 1207 | if ((*entry->status & STATUS_ERROR) == 0) { |
1208 | 1208 | ||
1209 | fore200e_push_rpd(fore200e, vcc, entry->rpd); | 1209 | fore200e_push_rpd(fore200e, vcc, entry->rpd); |
1210 | } | 1210 | } |
1211 | else { | 1211 | else { |
1212 | DPRINTK(2, "damaged PDU on %d.%d.%d\n", | 1212 | DPRINTK(2, "damaged PDU on %d.%d.%d\n", |
1213 | fore200e->atm_dev->number, | 1213 | fore200e->atm_dev->number, |
1214 | entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); | 1214 | entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); |
1215 | atomic_inc(&vcc->stats->rx_err); | 1215 | atomic_inc(&vcc->stats->rx_err); |
1216 | } | 1216 | } |
1217 | } | 1217 | } |
1218 | 1218 | ||
1219 | FORE200E_NEXT_ENTRY(rxq->head, QUEUE_SIZE_RX); | 1219 | FORE200E_NEXT_ENTRY(rxq->head, QUEUE_SIZE_RX); |
1220 | 1220 | ||
1221 | fore200e_collect_rpd(fore200e, entry->rpd); | 1221 | fore200e_collect_rpd(fore200e, entry->rpd); |
1222 | 1222 | ||
1223 | /* rewrite the rpd address to ack the received PDU */ | 1223 | /* rewrite the rpd address to ack the received PDU */ |
1224 | fore200e->bus->write(entry->rpd_dma, &entry->cp_entry->rpd_haddr); | 1224 | fore200e->bus->write(entry->rpd_dma, &entry->cp_entry->rpd_haddr); |
1225 | *entry->status = STATUS_FREE; | 1225 | *entry->status = STATUS_FREE; |
1226 | 1226 | ||
1227 | fore200e_supply(fore200e); | 1227 | fore200e_supply(fore200e); |
1228 | } | 1228 | } |
1229 | } | 1229 | } |
1230 | 1230 | ||
1231 | 1231 | ||
1232 | #ifndef FORE200E_USE_TASKLET | 1232 | #ifndef FORE200E_USE_TASKLET |
1233 | static void | 1233 | static void |
1234 | fore200e_irq(struct fore200e* fore200e) | 1234 | fore200e_irq(struct fore200e* fore200e) |
1235 | { | 1235 | { |
1236 | unsigned long flags; | 1236 | unsigned long flags; |
1237 | 1237 | ||
1238 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1238 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1239 | fore200e_rx_irq(fore200e); | 1239 | fore200e_rx_irq(fore200e); |
1240 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1240 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1241 | 1241 | ||
1242 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1242 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1243 | fore200e_tx_irq(fore200e); | 1243 | fore200e_tx_irq(fore200e); |
1244 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1244 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1245 | } | 1245 | } |
1246 | #endif | 1246 | #endif |
1247 | 1247 | ||
1248 | 1248 | ||
1249 | static irqreturn_t | 1249 | static irqreturn_t |
1250 | fore200e_interrupt(int irq, void* dev) | 1250 | fore200e_interrupt(int irq, void* dev) |
1251 | { | 1251 | { |
1252 | struct fore200e* fore200e = FORE200E_DEV((struct atm_dev*)dev); | 1252 | struct fore200e* fore200e = FORE200E_DEV((struct atm_dev*)dev); |
1253 | 1253 | ||
1254 | if (fore200e->bus->irq_check(fore200e) == 0) { | 1254 | if (fore200e->bus->irq_check(fore200e) == 0) { |
1255 | 1255 | ||
1256 | DPRINTK(3, "interrupt NOT triggered by device %d\n", fore200e->atm_dev->number); | 1256 | DPRINTK(3, "interrupt NOT triggered by device %d\n", fore200e->atm_dev->number); |
1257 | return IRQ_NONE; | 1257 | return IRQ_NONE; |
1258 | } | 1258 | } |
1259 | DPRINTK(3, "interrupt triggered by device %d\n", fore200e->atm_dev->number); | 1259 | DPRINTK(3, "interrupt triggered by device %d\n", fore200e->atm_dev->number); |
1260 | 1260 | ||
1261 | #ifdef FORE200E_USE_TASKLET | 1261 | #ifdef FORE200E_USE_TASKLET |
1262 | tasklet_schedule(&fore200e->tx_tasklet); | 1262 | tasklet_schedule(&fore200e->tx_tasklet); |
1263 | tasklet_schedule(&fore200e->rx_tasklet); | 1263 | tasklet_schedule(&fore200e->rx_tasklet); |
1264 | #else | 1264 | #else |
1265 | fore200e_irq(fore200e); | 1265 | fore200e_irq(fore200e); |
1266 | #endif | 1266 | #endif |
1267 | 1267 | ||
1268 | fore200e->bus->irq_ack(fore200e); | 1268 | fore200e->bus->irq_ack(fore200e); |
1269 | return IRQ_HANDLED; | 1269 | return IRQ_HANDLED; |
1270 | } | 1270 | } |
1271 | 1271 | ||
1272 | 1272 | ||
1273 | #ifdef FORE200E_USE_TASKLET | 1273 | #ifdef FORE200E_USE_TASKLET |
1274 | static void | 1274 | static void |
1275 | fore200e_tx_tasklet(unsigned long data) | 1275 | fore200e_tx_tasklet(unsigned long data) |
1276 | { | 1276 | { |
1277 | struct fore200e* fore200e = (struct fore200e*) data; | 1277 | struct fore200e* fore200e = (struct fore200e*) data; |
1278 | unsigned long flags; | 1278 | unsigned long flags; |
1279 | 1279 | ||
1280 | DPRINTK(3, "tx tasklet scheduled for device %d\n", fore200e->atm_dev->number); | 1280 | DPRINTK(3, "tx tasklet scheduled for device %d\n", fore200e->atm_dev->number); |
1281 | 1281 | ||
1282 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1282 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1283 | fore200e_tx_irq(fore200e); | 1283 | fore200e_tx_irq(fore200e); |
1284 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1284 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1285 | } | 1285 | } |
1286 | 1286 | ||
1287 | 1287 | ||
1288 | static void | 1288 | static void |
1289 | fore200e_rx_tasklet(unsigned long data) | 1289 | fore200e_rx_tasklet(unsigned long data) |
1290 | { | 1290 | { |
1291 | struct fore200e* fore200e = (struct fore200e*) data; | 1291 | struct fore200e* fore200e = (struct fore200e*) data; |
1292 | unsigned long flags; | 1292 | unsigned long flags; |
1293 | 1293 | ||
1294 | DPRINTK(3, "rx tasklet scheduled for device %d\n", fore200e->atm_dev->number); | 1294 | DPRINTK(3, "rx tasklet scheduled for device %d\n", fore200e->atm_dev->number); |
1295 | 1295 | ||
1296 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1296 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1297 | fore200e_rx_irq((struct fore200e*) data); | 1297 | fore200e_rx_irq((struct fore200e*) data); |
1298 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1298 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1299 | } | 1299 | } |
1300 | #endif | 1300 | #endif |
1301 | 1301 | ||
1302 | 1302 | ||
1303 | static int | 1303 | static int |
1304 | fore200e_select_scheme(struct atm_vcc* vcc) | 1304 | fore200e_select_scheme(struct atm_vcc* vcc) |
1305 | { | 1305 | { |
1306 | /* fairly balance the VCs over (identical) buffer schemes */ | 1306 | /* fairly balance the VCs over (identical) buffer schemes */ |
1307 | int scheme = vcc->vci % 2 ? BUFFER_SCHEME_ONE : BUFFER_SCHEME_TWO; | 1307 | int scheme = vcc->vci % 2 ? BUFFER_SCHEME_ONE : BUFFER_SCHEME_TWO; |
1308 | 1308 | ||
1309 | DPRINTK(1, "VC %d.%d.%d uses buffer scheme %d\n", | 1309 | DPRINTK(1, "VC %d.%d.%d uses buffer scheme %d\n", |
1310 | vcc->itf, vcc->vpi, vcc->vci, scheme); | 1310 | vcc->itf, vcc->vpi, vcc->vci, scheme); |
1311 | 1311 | ||
1312 | return scheme; | 1312 | return scheme; |
1313 | } | 1313 | } |
1314 | 1314 | ||
1315 | 1315 | ||
1316 | static int | 1316 | static int |
1317 | fore200e_activate_vcin(struct fore200e* fore200e, int activate, struct atm_vcc* vcc, int mtu) | 1317 | fore200e_activate_vcin(struct fore200e* fore200e, int activate, struct atm_vcc* vcc, int mtu) |
1318 | { | 1318 | { |
1319 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | 1319 | struct host_cmdq* cmdq = &fore200e->host_cmdq; |
1320 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | 1320 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; |
1321 | struct activate_opcode activ_opcode; | 1321 | struct activate_opcode activ_opcode; |
1322 | struct deactivate_opcode deactiv_opcode; | 1322 | struct deactivate_opcode deactiv_opcode; |
1323 | struct vpvc vpvc; | 1323 | struct vpvc vpvc; |
1324 | int ok; | 1324 | int ok; |
1325 | enum fore200e_aal aal = fore200e_atm2fore_aal(vcc->qos.aal); | 1325 | enum fore200e_aal aal = fore200e_atm2fore_aal(vcc->qos.aal); |
1326 | 1326 | ||
1327 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | 1327 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); |
1328 | 1328 | ||
1329 | if (activate) { | 1329 | if (activate) { |
1330 | FORE200E_VCC(vcc)->scheme = fore200e_select_scheme(vcc); | 1330 | FORE200E_VCC(vcc)->scheme = fore200e_select_scheme(vcc); |
1331 | 1331 | ||
1332 | activ_opcode.opcode = OPCODE_ACTIVATE_VCIN; | 1332 | activ_opcode.opcode = OPCODE_ACTIVATE_VCIN; |
1333 | activ_opcode.aal = aal; | 1333 | activ_opcode.aal = aal; |
1334 | activ_opcode.scheme = FORE200E_VCC(vcc)->scheme; | 1334 | activ_opcode.scheme = FORE200E_VCC(vcc)->scheme; |
1335 | activ_opcode.pad = 0; | 1335 | activ_opcode.pad = 0; |
1336 | } | 1336 | } |
1337 | else { | 1337 | else { |
1338 | deactiv_opcode.opcode = OPCODE_DEACTIVATE_VCIN; | 1338 | deactiv_opcode.opcode = OPCODE_DEACTIVATE_VCIN; |
1339 | deactiv_opcode.pad = 0; | 1339 | deactiv_opcode.pad = 0; |
1340 | } | 1340 | } |
1341 | 1341 | ||
1342 | vpvc.vci = vcc->vci; | 1342 | vpvc.vci = vcc->vci; |
1343 | vpvc.vpi = vcc->vpi; | 1343 | vpvc.vpi = vcc->vpi; |
1344 | 1344 | ||
1345 | *entry->status = STATUS_PENDING; | 1345 | *entry->status = STATUS_PENDING; |
1346 | 1346 | ||
1347 | if (activate) { | 1347 | if (activate) { |
1348 | 1348 | ||
1349 | #ifdef FORE200E_52BYTE_AAL0_SDU | 1349 | #ifdef FORE200E_52BYTE_AAL0_SDU |
1350 | mtu = 48; | 1350 | mtu = 48; |
1351 | #endif | 1351 | #endif |
1352 | /* the MTU is not used by the cp, except in the case of AAL0 */ | 1352 | /* the MTU is not used by the cp, except in the case of AAL0 */ |
1353 | fore200e->bus->write(mtu, &entry->cp_entry->cmd.activate_block.mtu); | 1353 | fore200e->bus->write(mtu, &entry->cp_entry->cmd.activate_block.mtu); |
1354 | fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.vpvc); | 1354 | fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.vpvc); |
1355 | fore200e->bus->write(*(u32*)&activ_opcode, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.opcode); | 1355 | fore200e->bus->write(*(u32*)&activ_opcode, (u32 __iomem *)&entry->cp_entry->cmd.activate_block.opcode); |
1356 | } | 1356 | } |
1357 | else { | 1357 | else { |
1358 | fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.vpvc); | 1358 | fore200e->bus->write(*(u32*)&vpvc, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.vpvc); |
1359 | fore200e->bus->write(*(u32*)&deactiv_opcode, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.opcode); | 1359 | fore200e->bus->write(*(u32*)&deactiv_opcode, (u32 __iomem *)&entry->cp_entry->cmd.deactivate_block.opcode); |
1360 | } | 1360 | } |
1361 | 1361 | ||
1362 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | 1362 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); |
1363 | 1363 | ||
1364 | *entry->status = STATUS_FREE; | 1364 | *entry->status = STATUS_FREE; |
1365 | 1365 | ||
1366 | if (ok == 0) { | 1366 | if (ok == 0) { |
1367 | printk(FORE200E "unable to %s VC %d.%d.%d\n", | 1367 | printk(FORE200E "unable to %s VC %d.%d.%d\n", |
1368 | activate ? "open" : "close", vcc->itf, vcc->vpi, vcc->vci); | 1368 | activate ? "open" : "close", vcc->itf, vcc->vpi, vcc->vci); |
1369 | return -EIO; | 1369 | return -EIO; |
1370 | } | 1370 | } |
1371 | 1371 | ||
1372 | DPRINTK(1, "VC %d.%d.%d %sed\n", vcc->itf, vcc->vpi, vcc->vci, | 1372 | DPRINTK(1, "VC %d.%d.%d %sed\n", vcc->itf, vcc->vpi, vcc->vci, |
1373 | activate ? "open" : "clos"); | 1373 | activate ? "open" : "clos"); |
1374 | 1374 | ||
1375 | return 0; | 1375 | return 0; |
1376 | } | 1376 | } |
1377 | 1377 | ||
1378 | 1378 | ||
1379 | #define FORE200E_MAX_BACK2BACK_CELLS 255 /* XXX depends on CDVT */ | 1379 | #define FORE200E_MAX_BACK2BACK_CELLS 255 /* XXX depends on CDVT */ |
1380 | 1380 | ||
1381 | static void | 1381 | static void |
1382 | fore200e_rate_ctrl(struct atm_qos* qos, struct tpd_rate* rate) | 1382 | fore200e_rate_ctrl(struct atm_qos* qos, struct tpd_rate* rate) |
1383 | { | 1383 | { |
1384 | if (qos->txtp.max_pcr < ATM_OC3_PCR) { | 1384 | if (qos->txtp.max_pcr < ATM_OC3_PCR) { |
1385 | 1385 | ||
1386 | /* compute the data cells to idle cells ratio from the tx PCR */ | 1386 | /* compute the data cells to idle cells ratio from the tx PCR */ |
1387 | rate->data_cells = qos->txtp.max_pcr * FORE200E_MAX_BACK2BACK_CELLS / ATM_OC3_PCR; | 1387 | rate->data_cells = qos->txtp.max_pcr * FORE200E_MAX_BACK2BACK_CELLS / ATM_OC3_PCR; |
1388 | rate->idle_cells = FORE200E_MAX_BACK2BACK_CELLS - rate->data_cells; | 1388 | rate->idle_cells = FORE200E_MAX_BACK2BACK_CELLS - rate->data_cells; |
1389 | } | 1389 | } |
1390 | else { | 1390 | else { |
1391 | /* disable rate control */ | 1391 | /* disable rate control */ |
1392 | rate->data_cells = rate->idle_cells = 0; | 1392 | rate->data_cells = rate->idle_cells = 0; |
1393 | } | 1393 | } |
1394 | } | 1394 | } |
1395 | 1395 | ||
1396 | 1396 | ||
1397 | static int | 1397 | static int |
1398 | fore200e_open(struct atm_vcc *vcc) | 1398 | fore200e_open(struct atm_vcc *vcc) |
1399 | { | 1399 | { |
1400 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | 1400 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); |
1401 | struct fore200e_vcc* fore200e_vcc; | 1401 | struct fore200e_vcc* fore200e_vcc; |
1402 | struct fore200e_vc_map* vc_map; | 1402 | struct fore200e_vc_map* vc_map; |
1403 | unsigned long flags; | 1403 | unsigned long flags; |
1404 | int vci = vcc->vci; | 1404 | int vci = vcc->vci; |
1405 | short vpi = vcc->vpi; | 1405 | short vpi = vcc->vpi; |
1406 | 1406 | ||
1407 | ASSERT((vpi >= 0) && (vpi < 1<<FORE200E_VPI_BITS)); | 1407 | ASSERT((vpi >= 0) && (vpi < 1<<FORE200E_VPI_BITS)); |
1408 | ASSERT((vci >= 0) && (vci < 1<<FORE200E_VCI_BITS)); | 1408 | ASSERT((vci >= 0) && (vci < 1<<FORE200E_VCI_BITS)); |
1409 | 1409 | ||
1410 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1410 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1411 | 1411 | ||
1412 | vc_map = FORE200E_VC_MAP(fore200e, vpi, vci); | 1412 | vc_map = FORE200E_VC_MAP(fore200e, vpi, vci); |
1413 | if (vc_map->vcc) { | 1413 | if (vc_map->vcc) { |
1414 | 1414 | ||
1415 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1415 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1416 | 1416 | ||
1417 | printk(FORE200E "VC %d.%d.%d already in use\n", | 1417 | printk(FORE200E "VC %d.%d.%d already in use\n", |
1418 | fore200e->atm_dev->number, vpi, vci); | 1418 | fore200e->atm_dev->number, vpi, vci); |
1419 | 1419 | ||
1420 | return -EINVAL; | 1420 | return -EINVAL; |
1421 | } | 1421 | } |
1422 | 1422 | ||
1423 | vc_map->vcc = vcc; | 1423 | vc_map->vcc = vcc; |
1424 | 1424 | ||
1425 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1425 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1426 | 1426 | ||
1427 | fore200e_vcc = kzalloc(sizeof(struct fore200e_vcc), GFP_ATOMIC); | 1427 | fore200e_vcc = kzalloc(sizeof(struct fore200e_vcc), GFP_ATOMIC); |
1428 | if (fore200e_vcc == NULL) { | 1428 | if (fore200e_vcc == NULL) { |
1429 | vc_map->vcc = NULL; | 1429 | vc_map->vcc = NULL; |
1430 | return -ENOMEM; | 1430 | return -ENOMEM; |
1431 | } | 1431 | } |
1432 | 1432 | ||
1433 | DPRINTK(2, "opening %d.%d.%d:%d QoS = (tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " | 1433 | DPRINTK(2, "opening %d.%d.%d:%d QoS = (tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " |
1434 | "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d)\n", | 1434 | "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d)\n", |
1435 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | 1435 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), |
1436 | fore200e_traffic_class[ vcc->qos.txtp.traffic_class ], | 1436 | fore200e_traffic_class[ vcc->qos.txtp.traffic_class ], |
1437 | vcc->qos.txtp.min_pcr, vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_cdv, vcc->qos.txtp.max_sdu, | 1437 | vcc->qos.txtp.min_pcr, vcc->qos.txtp.max_pcr, vcc->qos.txtp.max_cdv, vcc->qos.txtp.max_sdu, |
1438 | fore200e_traffic_class[ vcc->qos.rxtp.traffic_class ], | 1438 | fore200e_traffic_class[ vcc->qos.rxtp.traffic_class ], |
1439 | vcc->qos.rxtp.min_pcr, vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_cdv, vcc->qos.rxtp.max_sdu); | 1439 | vcc->qos.rxtp.min_pcr, vcc->qos.rxtp.max_pcr, vcc->qos.rxtp.max_cdv, vcc->qos.rxtp.max_sdu); |
1440 | 1440 | ||
1441 | /* pseudo-CBR bandwidth requested? */ | 1441 | /* pseudo-CBR bandwidth requested? */ |
1442 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { | 1442 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { |
1443 | 1443 | ||
1444 | mutex_lock(&fore200e->rate_mtx); | 1444 | mutex_lock(&fore200e->rate_mtx); |
1445 | if (fore200e->available_cell_rate < vcc->qos.txtp.max_pcr) { | 1445 | if (fore200e->available_cell_rate < vcc->qos.txtp.max_pcr) { |
1446 | mutex_unlock(&fore200e->rate_mtx); | 1446 | mutex_unlock(&fore200e->rate_mtx); |
1447 | 1447 | ||
1448 | kfree(fore200e_vcc); | 1448 | kfree(fore200e_vcc); |
1449 | vc_map->vcc = NULL; | 1449 | vc_map->vcc = NULL; |
1450 | return -EAGAIN; | 1450 | return -EAGAIN; |
1451 | } | 1451 | } |
1452 | 1452 | ||
1453 | /* reserve bandwidth */ | 1453 | /* reserve bandwidth */ |
1454 | fore200e->available_cell_rate -= vcc->qos.txtp.max_pcr; | 1454 | fore200e->available_cell_rate -= vcc->qos.txtp.max_pcr; |
1455 | mutex_unlock(&fore200e->rate_mtx); | 1455 | mutex_unlock(&fore200e->rate_mtx); |
1456 | } | 1456 | } |
1457 | 1457 | ||
1458 | vcc->itf = vcc->dev->number; | 1458 | vcc->itf = vcc->dev->number; |
1459 | 1459 | ||
1460 | set_bit(ATM_VF_PARTIAL,&vcc->flags); | 1460 | set_bit(ATM_VF_PARTIAL,&vcc->flags); |
1461 | set_bit(ATM_VF_ADDR, &vcc->flags); | 1461 | set_bit(ATM_VF_ADDR, &vcc->flags); |
1462 | 1462 | ||
1463 | vcc->dev_data = fore200e_vcc; | 1463 | vcc->dev_data = fore200e_vcc; |
1464 | 1464 | ||
1465 | if (fore200e_activate_vcin(fore200e, 1, vcc, vcc->qos.rxtp.max_sdu) < 0) { | 1465 | if (fore200e_activate_vcin(fore200e, 1, vcc, vcc->qos.rxtp.max_sdu) < 0) { |
1466 | 1466 | ||
1467 | vc_map->vcc = NULL; | 1467 | vc_map->vcc = NULL; |
1468 | 1468 | ||
1469 | clear_bit(ATM_VF_ADDR, &vcc->flags); | 1469 | clear_bit(ATM_VF_ADDR, &vcc->flags); |
1470 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); | 1470 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); |
1471 | 1471 | ||
1472 | vcc->dev_data = NULL; | 1472 | vcc->dev_data = NULL; |
1473 | 1473 | ||
1474 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; | 1474 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; |
1475 | 1475 | ||
1476 | kfree(fore200e_vcc); | 1476 | kfree(fore200e_vcc); |
1477 | return -EINVAL; | 1477 | return -EINVAL; |
1478 | } | 1478 | } |
1479 | 1479 | ||
1480 | /* compute rate control parameters */ | 1480 | /* compute rate control parameters */ |
1481 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { | 1481 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { |
1482 | 1482 | ||
1483 | fore200e_rate_ctrl(&vcc->qos, &fore200e_vcc->rate); | 1483 | fore200e_rate_ctrl(&vcc->qos, &fore200e_vcc->rate); |
1484 | set_bit(ATM_VF_HASQOS, &vcc->flags); | 1484 | set_bit(ATM_VF_HASQOS, &vcc->flags); |
1485 | 1485 | ||
1486 | DPRINTK(3, "tx on %d.%d.%d:%d, tx PCR = %d, rx PCR = %d, data_cells = %u, idle_cells = %u\n", | 1486 | DPRINTK(3, "tx on %d.%d.%d:%d, tx PCR = %d, rx PCR = %d, data_cells = %u, idle_cells = %u\n", |
1487 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | 1487 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), |
1488 | vcc->qos.txtp.max_pcr, vcc->qos.rxtp.max_pcr, | 1488 | vcc->qos.txtp.max_pcr, vcc->qos.rxtp.max_pcr, |
1489 | fore200e_vcc->rate.data_cells, fore200e_vcc->rate.idle_cells); | 1489 | fore200e_vcc->rate.data_cells, fore200e_vcc->rate.idle_cells); |
1490 | } | 1490 | } |
1491 | 1491 | ||
1492 | fore200e_vcc->tx_min_pdu = fore200e_vcc->rx_min_pdu = MAX_PDU_SIZE + 1; | 1492 | fore200e_vcc->tx_min_pdu = fore200e_vcc->rx_min_pdu = MAX_PDU_SIZE + 1; |
1493 | fore200e_vcc->tx_max_pdu = fore200e_vcc->rx_max_pdu = 0; | 1493 | fore200e_vcc->tx_max_pdu = fore200e_vcc->rx_max_pdu = 0; |
1494 | fore200e_vcc->tx_pdu = fore200e_vcc->rx_pdu = 0; | 1494 | fore200e_vcc->tx_pdu = fore200e_vcc->rx_pdu = 0; |
1495 | 1495 | ||
1496 | /* new incarnation of the vcc */ | 1496 | /* new incarnation of the vcc */ |
1497 | vc_map->incarn = ++fore200e->incarn_count; | 1497 | vc_map->incarn = ++fore200e->incarn_count; |
1498 | 1498 | ||
1499 | /* VC unusable before this flag is set */ | 1499 | /* VC unusable before this flag is set */ |
1500 | set_bit(ATM_VF_READY, &vcc->flags); | 1500 | set_bit(ATM_VF_READY, &vcc->flags); |
1501 | 1501 | ||
1502 | return 0; | 1502 | return 0; |
1503 | } | 1503 | } |
1504 | 1504 | ||
1505 | 1505 | ||
1506 | static void | 1506 | static void |
1507 | fore200e_close(struct atm_vcc* vcc) | 1507 | fore200e_close(struct atm_vcc* vcc) |
1508 | { | 1508 | { |
1509 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | 1509 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); |
1510 | struct fore200e_vcc* fore200e_vcc; | 1510 | struct fore200e_vcc* fore200e_vcc; |
1511 | struct fore200e_vc_map* vc_map; | 1511 | struct fore200e_vc_map* vc_map; |
1512 | unsigned long flags; | 1512 | unsigned long flags; |
1513 | 1513 | ||
1514 | ASSERT(vcc); | 1514 | ASSERT(vcc); |
1515 | ASSERT((vcc->vpi >= 0) && (vcc->vpi < 1<<FORE200E_VPI_BITS)); | 1515 | ASSERT((vcc->vpi >= 0) && (vcc->vpi < 1<<FORE200E_VPI_BITS)); |
1516 | ASSERT((vcc->vci >= 0) && (vcc->vci < 1<<FORE200E_VCI_BITS)); | 1516 | ASSERT((vcc->vci >= 0) && (vcc->vci < 1<<FORE200E_VCI_BITS)); |
1517 | 1517 | ||
1518 | DPRINTK(2, "closing %d.%d.%d:%d\n", vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal)); | 1518 | DPRINTK(2, "closing %d.%d.%d:%d\n", vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal)); |
1519 | 1519 | ||
1520 | clear_bit(ATM_VF_READY, &vcc->flags); | 1520 | clear_bit(ATM_VF_READY, &vcc->flags); |
1521 | 1521 | ||
1522 | fore200e_activate_vcin(fore200e, 0, vcc, 0); | 1522 | fore200e_activate_vcin(fore200e, 0, vcc, 0); |
1523 | 1523 | ||
1524 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1524 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1525 | 1525 | ||
1526 | vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); | 1526 | vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); |
1527 | 1527 | ||
1528 | /* the vc is no longer considered as "in use" by fore200e_open() */ | 1528 | /* the vc is no longer considered as "in use" by fore200e_open() */ |
1529 | vc_map->vcc = NULL; | 1529 | vc_map->vcc = NULL; |
1530 | 1530 | ||
1531 | vcc->itf = vcc->vci = vcc->vpi = 0; | 1531 | vcc->itf = vcc->vci = vcc->vpi = 0; |
1532 | 1532 | ||
1533 | fore200e_vcc = FORE200E_VCC(vcc); | 1533 | fore200e_vcc = FORE200E_VCC(vcc); |
1534 | vcc->dev_data = NULL; | 1534 | vcc->dev_data = NULL; |
1535 | 1535 | ||
1536 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1536 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1537 | 1537 | ||
1538 | /* release reserved bandwidth, if any */ | 1538 | /* release reserved bandwidth, if any */ |
1539 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { | 1539 | if ((vcc->qos.txtp.traffic_class == ATM_CBR) && (vcc->qos.txtp.max_pcr > 0)) { |
1540 | 1540 | ||
1541 | mutex_lock(&fore200e->rate_mtx); | 1541 | mutex_lock(&fore200e->rate_mtx); |
1542 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; | 1542 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; |
1543 | mutex_unlock(&fore200e->rate_mtx); | 1543 | mutex_unlock(&fore200e->rate_mtx); |
1544 | 1544 | ||
1545 | clear_bit(ATM_VF_HASQOS, &vcc->flags); | 1545 | clear_bit(ATM_VF_HASQOS, &vcc->flags); |
1546 | } | 1546 | } |
1547 | 1547 | ||
1548 | clear_bit(ATM_VF_ADDR, &vcc->flags); | 1548 | clear_bit(ATM_VF_ADDR, &vcc->flags); |
1549 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); | 1549 | clear_bit(ATM_VF_PARTIAL,&vcc->flags); |
1550 | 1550 | ||
1551 | ASSERT(fore200e_vcc); | 1551 | ASSERT(fore200e_vcc); |
1552 | kfree(fore200e_vcc); | 1552 | kfree(fore200e_vcc); |
1553 | } | 1553 | } |
1554 | 1554 | ||
1555 | 1555 | ||
1556 | static int | 1556 | static int |
1557 | fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) | 1557 | fore200e_send(struct atm_vcc *vcc, struct sk_buff *skb) |
1558 | { | 1558 | { |
1559 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | 1559 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); |
1560 | struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); | 1560 | struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); |
1561 | struct fore200e_vc_map* vc_map; | 1561 | struct fore200e_vc_map* vc_map; |
1562 | struct host_txq* txq = &fore200e->host_txq; | 1562 | struct host_txq* txq = &fore200e->host_txq; |
1563 | struct host_txq_entry* entry; | 1563 | struct host_txq_entry* entry; |
1564 | struct tpd* tpd; | 1564 | struct tpd* tpd; |
1565 | struct tpd_haddr tpd_haddr; | 1565 | struct tpd_haddr tpd_haddr; |
1566 | int retry = CONFIG_ATM_FORE200E_TX_RETRY; | 1566 | int retry = CONFIG_ATM_FORE200E_TX_RETRY; |
1567 | int tx_copy = 0; | 1567 | int tx_copy = 0; |
1568 | int tx_len = skb->len; | 1568 | int tx_len = skb->len; |
1569 | u32* cell_header = NULL; | 1569 | u32* cell_header = NULL; |
1570 | unsigned char* skb_data; | 1570 | unsigned char* skb_data; |
1571 | int skb_len; | 1571 | int skb_len; |
1572 | unsigned char* data; | 1572 | unsigned char* data; |
1573 | unsigned long flags; | 1573 | unsigned long flags; |
1574 | 1574 | ||
1575 | ASSERT(vcc); | 1575 | ASSERT(vcc); |
1576 | ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); | 1576 | ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); |
1577 | ASSERT(fore200e); | 1577 | ASSERT(fore200e); |
1578 | ASSERT(fore200e_vcc); | 1578 | ASSERT(fore200e_vcc); |
1579 | 1579 | ||
1580 | if (!test_bit(ATM_VF_READY, &vcc->flags)) { | 1580 | if (!test_bit(ATM_VF_READY, &vcc->flags)) { |
1581 | DPRINTK(1, "VC %d.%d.%d not ready for tx\n", vcc->itf, vcc->vpi, vcc->vpi); | 1581 | DPRINTK(1, "VC %d.%d.%d not ready for tx\n", vcc->itf, vcc->vpi, vcc->vpi); |
1582 | dev_kfree_skb_any(skb); | 1582 | dev_kfree_skb_any(skb); |
1583 | return -EINVAL; | 1583 | return -EINVAL; |
1584 | } | 1584 | } |
1585 | 1585 | ||
1586 | #ifdef FORE200E_52BYTE_AAL0_SDU | 1586 | #ifdef FORE200E_52BYTE_AAL0_SDU |
1587 | if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.txtp.max_sdu == ATM_AAL0_SDU)) { | 1587 | if ((vcc->qos.aal == ATM_AAL0) && (vcc->qos.txtp.max_sdu == ATM_AAL0_SDU)) { |
1588 | cell_header = (u32*) skb->data; | 1588 | cell_header = (u32*) skb->data; |
1589 | skb_data = skb->data + 4; /* skip 4-byte cell header */ | 1589 | skb_data = skb->data + 4; /* skip 4-byte cell header */ |
1590 | skb_len = tx_len = skb->len - 4; | 1590 | skb_len = tx_len = skb->len - 4; |
1591 | 1591 | ||
1592 | DPRINTK(3, "user-supplied cell header = 0x%08x\n", *cell_header); | 1592 | DPRINTK(3, "user-supplied cell header = 0x%08x\n", *cell_header); |
1593 | } | 1593 | } |
1594 | else | 1594 | else |
1595 | #endif | 1595 | #endif |
1596 | { | 1596 | { |
1597 | skb_data = skb->data; | 1597 | skb_data = skb->data; |
1598 | skb_len = skb->len; | 1598 | skb_len = skb->len; |
1599 | } | 1599 | } |
1600 | 1600 | ||
1601 | if (((unsigned long)skb_data) & 0x3) { | 1601 | if (((unsigned long)skb_data) & 0x3) { |
1602 | 1602 | ||
1603 | DPRINTK(2, "misaligned tx PDU on device %s\n", fore200e->name); | 1603 | DPRINTK(2, "misaligned tx PDU on device %s\n", fore200e->name); |
1604 | tx_copy = 1; | 1604 | tx_copy = 1; |
1605 | tx_len = skb_len; | 1605 | tx_len = skb_len; |
1606 | } | 1606 | } |
1607 | 1607 | ||
1608 | if ((vcc->qos.aal == ATM_AAL0) && (skb_len % ATM_CELL_PAYLOAD)) { | 1608 | if ((vcc->qos.aal == ATM_AAL0) && (skb_len % ATM_CELL_PAYLOAD)) { |
1609 | 1609 | ||
1610 | /* this simply NUKES the PCA board */ | 1610 | /* this simply NUKES the PCA board */ |
1611 | DPRINTK(2, "incomplete tx AAL0 PDU on device %s\n", fore200e->name); | 1611 | DPRINTK(2, "incomplete tx AAL0 PDU on device %s\n", fore200e->name); |
1612 | tx_copy = 1; | 1612 | tx_copy = 1; |
1613 | tx_len = ((skb_len / ATM_CELL_PAYLOAD) + 1) * ATM_CELL_PAYLOAD; | 1613 | tx_len = ((skb_len / ATM_CELL_PAYLOAD) + 1) * ATM_CELL_PAYLOAD; |
1614 | } | 1614 | } |
1615 | 1615 | ||
1616 | if (tx_copy) { | 1616 | if (tx_copy) { |
1617 | data = kmalloc(tx_len, GFP_ATOMIC | GFP_DMA); | 1617 | data = kmalloc(tx_len, GFP_ATOMIC | GFP_DMA); |
1618 | if (data == NULL) { | 1618 | if (data == NULL) { |
1619 | if (vcc->pop) { | 1619 | if (vcc->pop) { |
1620 | vcc->pop(vcc, skb); | 1620 | vcc->pop(vcc, skb); |
1621 | } | 1621 | } |
1622 | else { | 1622 | else { |
1623 | dev_kfree_skb_any(skb); | 1623 | dev_kfree_skb_any(skb); |
1624 | } | 1624 | } |
1625 | return -ENOMEM; | 1625 | return -ENOMEM; |
1626 | } | 1626 | } |
1627 | 1627 | ||
1628 | memcpy(data, skb_data, skb_len); | 1628 | memcpy(data, skb_data, skb_len); |
1629 | if (skb_len < tx_len) | 1629 | if (skb_len < tx_len) |
1630 | memset(data + skb_len, 0x00, tx_len - skb_len); | 1630 | memset(data + skb_len, 0x00, tx_len - skb_len); |
1631 | } | 1631 | } |
1632 | else { | 1632 | else { |
1633 | data = skb_data; | 1633 | data = skb_data; |
1634 | } | 1634 | } |
1635 | 1635 | ||
1636 | vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); | 1636 | vc_map = FORE200E_VC_MAP(fore200e, vcc->vpi, vcc->vci); |
1637 | ASSERT(vc_map->vcc == vcc); | 1637 | ASSERT(vc_map->vcc == vcc); |
1638 | 1638 | ||
1639 | retry_here: | 1639 | retry_here: |
1640 | 1640 | ||
1641 | spin_lock_irqsave(&fore200e->q_lock, flags); | 1641 | spin_lock_irqsave(&fore200e->q_lock, flags); |
1642 | 1642 | ||
1643 | entry = &txq->host_entry[ txq->head ]; | 1643 | entry = &txq->host_entry[ txq->head ]; |
1644 | 1644 | ||
1645 | if ((*entry->status != STATUS_FREE) || (txq->txing >= QUEUE_SIZE_TX - 2)) { | 1645 | if ((*entry->status != STATUS_FREE) || (txq->txing >= QUEUE_SIZE_TX - 2)) { |
1646 | 1646 | ||
1647 | /* try to free completed tx queue entries */ | 1647 | /* try to free completed tx queue entries */ |
1648 | fore200e_tx_irq(fore200e); | 1648 | fore200e_tx_irq(fore200e); |
1649 | 1649 | ||
1650 | if (*entry->status != STATUS_FREE) { | 1650 | if (*entry->status != STATUS_FREE) { |
1651 | 1651 | ||
1652 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1652 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1653 | 1653 | ||
1654 | /* retry once again? */ | 1654 | /* retry once again? */ |
1655 | if (--retry > 0) { | 1655 | if (--retry > 0) { |
1656 | udelay(50); | 1656 | udelay(50); |
1657 | goto retry_here; | 1657 | goto retry_here; |
1658 | } | 1658 | } |
1659 | 1659 | ||
1660 | atomic_inc(&vcc->stats->tx_err); | 1660 | atomic_inc(&vcc->stats->tx_err); |
1661 | 1661 | ||
1662 | fore200e->tx_sat++; | 1662 | fore200e->tx_sat++; |
1663 | DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", | 1663 | DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", |
1664 | fore200e->name, fore200e->cp_queues->heartbeat); | 1664 | fore200e->name, fore200e->cp_queues->heartbeat); |
1665 | if (vcc->pop) { | 1665 | if (vcc->pop) { |
1666 | vcc->pop(vcc, skb); | 1666 | vcc->pop(vcc, skb); |
1667 | } | 1667 | } |
1668 | else { | 1668 | else { |
1669 | dev_kfree_skb_any(skb); | 1669 | dev_kfree_skb_any(skb); |
1670 | } | 1670 | } |
1671 | 1671 | ||
1672 | if (tx_copy) | 1672 | if (tx_copy) |
1673 | kfree(data); | 1673 | kfree(data); |
1674 | 1674 | ||
1675 | return -ENOBUFS; | 1675 | return -ENOBUFS; |
1676 | } | 1676 | } |
1677 | } | 1677 | } |
1678 | 1678 | ||
1679 | entry->incarn = vc_map->incarn; | 1679 | entry->incarn = vc_map->incarn; |
1680 | entry->vc_map = vc_map; | 1680 | entry->vc_map = vc_map; |
1681 | entry->skb = skb; | 1681 | entry->skb = skb; |
1682 | entry->data = tx_copy ? data : NULL; | 1682 | entry->data = tx_copy ? data : NULL; |
1683 | 1683 | ||
1684 | tpd = entry->tpd; | 1684 | tpd = entry->tpd; |
1685 | tpd->tsd[ 0 ].buffer = fore200e->bus->dma_map(fore200e, data, tx_len, DMA_TO_DEVICE); | 1685 | tpd->tsd[ 0 ].buffer = fore200e->bus->dma_map(fore200e, data, tx_len, DMA_TO_DEVICE); |
1686 | tpd->tsd[ 0 ].length = tx_len; | 1686 | tpd->tsd[ 0 ].length = tx_len; |
1687 | 1687 | ||
1688 | FORE200E_NEXT_ENTRY(txq->head, QUEUE_SIZE_TX); | 1688 | FORE200E_NEXT_ENTRY(txq->head, QUEUE_SIZE_TX); |
1689 | txq->txing++; | 1689 | txq->txing++; |
1690 | 1690 | ||
1691 | /* The dma_map call above implies a dma_sync so the device can use it, | 1691 | /* The dma_map call above implies a dma_sync so the device can use it, |
1692 | * thus no explicit dma_sync call is necessary here. | 1692 | * thus no explicit dma_sync call is necessary here. |
1693 | */ | 1693 | */ |
1694 | 1694 | ||
1695 | DPRINTK(3, "tx on %d.%d.%d:%d, len = %u (%u)\n", | 1695 | DPRINTK(3, "tx on %d.%d.%d:%d, len = %u (%u)\n", |
1696 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | 1696 | vcc->itf, vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), |
1697 | tpd->tsd[0].length, skb_len); | 1697 | tpd->tsd[0].length, skb_len); |
1698 | 1698 | ||
1699 | if (skb_len < fore200e_vcc->tx_min_pdu) | 1699 | if (skb_len < fore200e_vcc->tx_min_pdu) |
1700 | fore200e_vcc->tx_min_pdu = skb_len; | 1700 | fore200e_vcc->tx_min_pdu = skb_len; |
1701 | if (skb_len > fore200e_vcc->tx_max_pdu) | 1701 | if (skb_len > fore200e_vcc->tx_max_pdu) |
1702 | fore200e_vcc->tx_max_pdu = skb_len; | 1702 | fore200e_vcc->tx_max_pdu = skb_len; |
1703 | fore200e_vcc->tx_pdu++; | 1703 | fore200e_vcc->tx_pdu++; |
1704 | 1704 | ||
1705 | /* set tx rate control information */ | 1705 | /* set tx rate control information */ |
1706 | tpd->rate.data_cells = fore200e_vcc->rate.data_cells; | 1706 | tpd->rate.data_cells = fore200e_vcc->rate.data_cells; |
1707 | tpd->rate.idle_cells = fore200e_vcc->rate.idle_cells; | 1707 | tpd->rate.idle_cells = fore200e_vcc->rate.idle_cells; |
1708 | 1708 | ||
1709 | if (cell_header) { | 1709 | if (cell_header) { |
1710 | tpd->atm_header.clp = (*cell_header & ATM_HDR_CLP); | 1710 | tpd->atm_header.clp = (*cell_header & ATM_HDR_CLP); |
1711 | tpd->atm_header.plt = (*cell_header & ATM_HDR_PTI_MASK) >> ATM_HDR_PTI_SHIFT; | 1711 | tpd->atm_header.plt = (*cell_header & ATM_HDR_PTI_MASK) >> ATM_HDR_PTI_SHIFT; |
1712 | tpd->atm_header.vci = (*cell_header & ATM_HDR_VCI_MASK) >> ATM_HDR_VCI_SHIFT; | 1712 | tpd->atm_header.vci = (*cell_header & ATM_HDR_VCI_MASK) >> ATM_HDR_VCI_SHIFT; |
1713 | tpd->atm_header.vpi = (*cell_header & ATM_HDR_VPI_MASK) >> ATM_HDR_VPI_SHIFT; | 1713 | tpd->atm_header.vpi = (*cell_header & ATM_HDR_VPI_MASK) >> ATM_HDR_VPI_SHIFT; |
1714 | tpd->atm_header.gfc = (*cell_header & ATM_HDR_GFC_MASK) >> ATM_HDR_GFC_SHIFT; | 1714 | tpd->atm_header.gfc = (*cell_header & ATM_HDR_GFC_MASK) >> ATM_HDR_GFC_SHIFT; |
1715 | } | 1715 | } |
1716 | else { | 1716 | else { |
1717 | /* set the ATM header, common to all cells conveying the PDU */ | 1717 | /* set the ATM header, common to all cells conveying the PDU */ |
1718 | tpd->atm_header.clp = 0; | 1718 | tpd->atm_header.clp = 0; |
1719 | tpd->atm_header.plt = 0; | 1719 | tpd->atm_header.plt = 0; |
1720 | tpd->atm_header.vci = vcc->vci; | 1720 | tpd->atm_header.vci = vcc->vci; |
1721 | tpd->atm_header.vpi = vcc->vpi; | 1721 | tpd->atm_header.vpi = vcc->vpi; |
1722 | tpd->atm_header.gfc = 0; | 1722 | tpd->atm_header.gfc = 0; |
1723 | } | 1723 | } |
1724 | 1724 | ||
1725 | tpd->spec.length = tx_len; | 1725 | tpd->spec.length = tx_len; |
1726 | tpd->spec.nseg = 1; | 1726 | tpd->spec.nseg = 1; |
1727 | tpd->spec.aal = fore200e_atm2fore_aal(vcc->qos.aal); | 1727 | tpd->spec.aal = fore200e_atm2fore_aal(vcc->qos.aal); |
1728 | tpd->spec.intr = 1; | 1728 | tpd->spec.intr = 1; |
1729 | 1729 | ||
1730 | tpd_haddr.size = sizeof(struct tpd) / (1<<TPD_HADDR_SHIFT); /* size is expressed in 32 byte blocks */ | 1730 | tpd_haddr.size = sizeof(struct tpd) / (1<<TPD_HADDR_SHIFT); /* size is expressed in 32 byte blocks */ |
1731 | tpd_haddr.pad = 0; | 1731 | tpd_haddr.pad = 0; |
1732 | tpd_haddr.haddr = entry->tpd_dma >> TPD_HADDR_SHIFT; /* shift the address, as we are in a bitfield */ | 1732 | tpd_haddr.haddr = entry->tpd_dma >> TPD_HADDR_SHIFT; /* shift the address, as we are in a bitfield */ |
1733 | 1733 | ||
1734 | *entry->status = STATUS_PENDING; | 1734 | *entry->status = STATUS_PENDING; |
1735 | fore200e->bus->write(*(u32*)&tpd_haddr, (u32 __iomem *)&entry->cp_entry->tpd_haddr); | 1735 | fore200e->bus->write(*(u32*)&tpd_haddr, (u32 __iomem *)&entry->cp_entry->tpd_haddr); |
1736 | 1736 | ||
1737 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 1737 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
1738 | 1738 | ||
1739 | return 0; | 1739 | return 0; |
1740 | } | 1740 | } |
1741 | 1741 | ||
1742 | 1742 | ||
1743 | static int | 1743 | static int |
1744 | fore200e_getstats(struct fore200e* fore200e) | 1744 | fore200e_getstats(struct fore200e* fore200e) |
1745 | { | 1745 | { |
1746 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | 1746 | struct host_cmdq* cmdq = &fore200e->host_cmdq; |
1747 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | 1747 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; |
1748 | struct stats_opcode opcode; | 1748 | struct stats_opcode opcode; |
1749 | int ok; | 1749 | int ok; |
1750 | u32 stats_dma_addr; | 1750 | u32 stats_dma_addr; |
1751 | 1751 | ||
1752 | if (fore200e->stats == NULL) { | 1752 | if (fore200e->stats == NULL) { |
1753 | fore200e->stats = kzalloc(sizeof(struct stats), GFP_KERNEL | GFP_DMA); | 1753 | fore200e->stats = kzalloc(sizeof(struct stats), GFP_KERNEL | GFP_DMA); |
1754 | if (fore200e->stats == NULL) | 1754 | if (fore200e->stats == NULL) |
1755 | return -ENOMEM; | 1755 | return -ENOMEM; |
1756 | } | 1756 | } |
1757 | 1757 | ||
1758 | stats_dma_addr = fore200e->bus->dma_map(fore200e, fore200e->stats, | 1758 | stats_dma_addr = fore200e->bus->dma_map(fore200e, fore200e->stats, |
1759 | sizeof(struct stats), DMA_FROM_DEVICE); | 1759 | sizeof(struct stats), DMA_FROM_DEVICE); |
1760 | 1760 | ||
1761 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | 1761 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); |
1762 | 1762 | ||
1763 | opcode.opcode = OPCODE_GET_STATS; | 1763 | opcode.opcode = OPCODE_GET_STATS; |
1764 | opcode.pad = 0; | 1764 | opcode.pad = 0; |
1765 | 1765 | ||
1766 | fore200e->bus->write(stats_dma_addr, &entry->cp_entry->cmd.stats_block.stats_haddr); | 1766 | fore200e->bus->write(stats_dma_addr, &entry->cp_entry->cmd.stats_block.stats_haddr); |
1767 | 1767 | ||
1768 | *entry->status = STATUS_PENDING; | 1768 | *entry->status = STATUS_PENDING; |
1769 | 1769 | ||
1770 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.stats_block.opcode); | 1770 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.stats_block.opcode); |
1771 | 1771 | ||
1772 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | 1772 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); |
1773 | 1773 | ||
1774 | *entry->status = STATUS_FREE; | 1774 | *entry->status = STATUS_FREE; |
1775 | 1775 | ||
1776 | fore200e->bus->dma_unmap(fore200e, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE); | 1776 | fore200e->bus->dma_unmap(fore200e, stats_dma_addr, sizeof(struct stats), DMA_FROM_DEVICE); |
1777 | 1777 | ||
1778 | if (ok == 0) { | 1778 | if (ok == 0) { |
1779 | printk(FORE200E "unable to get statistics from device %s\n", fore200e->name); | 1779 | printk(FORE200E "unable to get statistics from device %s\n", fore200e->name); |
1780 | return -EIO; | 1780 | return -EIO; |
1781 | } | 1781 | } |
1782 | 1782 | ||
1783 | return 0; | 1783 | return 0; |
1784 | } | 1784 | } |
1785 | 1785 | ||
1786 | 1786 | ||
1787 | static int | 1787 | static int |
1788 | fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen) | 1788 | fore200e_getsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, int optlen) |
1789 | { | 1789 | { |
1790 | /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ | 1790 | /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ |
1791 | 1791 | ||
1792 | DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", | 1792 | DPRINTK(2, "getsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", |
1793 | vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); | 1793 | vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); |
1794 | 1794 | ||
1795 | return -EINVAL; | 1795 | return -EINVAL; |
1796 | } | 1796 | } |
1797 | 1797 | ||
1798 | 1798 | ||
1799 | static int | 1799 | static int |
1800 | fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen) | 1800 | fore200e_setsockopt(struct atm_vcc* vcc, int level, int optname, void __user *optval, unsigned int optlen) |
1801 | { | 1801 | { |
1802 | /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ | 1802 | /* struct fore200e* fore200e = FORE200E_DEV(vcc->dev); */ |
1803 | 1803 | ||
1804 | DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", | 1804 | DPRINTK(2, "setsockopt %d.%d.%d, level = %d, optname = 0x%x, optval = 0x%p, optlen = %d\n", |
1805 | vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); | 1805 | vcc->itf, vcc->vpi, vcc->vci, level, optname, optval, optlen); |
1806 | 1806 | ||
1807 | return -EINVAL; | 1807 | return -EINVAL; |
1808 | } | 1808 | } |
1809 | 1809 | ||
1810 | 1810 | ||
1811 | #if 0 /* currently unused */ | 1811 | #if 0 /* currently unused */ |
1812 | static int | 1812 | static int |
1813 | fore200e_get_oc3(struct fore200e* fore200e, struct oc3_regs* regs) | 1813 | fore200e_get_oc3(struct fore200e* fore200e, struct oc3_regs* regs) |
1814 | { | 1814 | { |
1815 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | 1815 | struct host_cmdq* cmdq = &fore200e->host_cmdq; |
1816 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | 1816 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; |
1817 | struct oc3_opcode opcode; | 1817 | struct oc3_opcode opcode; |
1818 | int ok; | 1818 | int ok; |
1819 | u32 oc3_regs_dma_addr; | 1819 | u32 oc3_regs_dma_addr; |
1820 | 1820 | ||
1821 | oc3_regs_dma_addr = fore200e->bus->dma_map(fore200e, regs, sizeof(struct oc3_regs), DMA_FROM_DEVICE); | 1821 | oc3_regs_dma_addr = fore200e->bus->dma_map(fore200e, regs, sizeof(struct oc3_regs), DMA_FROM_DEVICE); |
1822 | 1822 | ||
1823 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | 1823 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); |
1824 | 1824 | ||
1825 | opcode.opcode = OPCODE_GET_OC3; | 1825 | opcode.opcode = OPCODE_GET_OC3; |
1826 | opcode.reg = 0; | 1826 | opcode.reg = 0; |
1827 | opcode.value = 0; | 1827 | opcode.value = 0; |
1828 | opcode.mask = 0; | 1828 | opcode.mask = 0; |
1829 | 1829 | ||
1830 | fore200e->bus->write(oc3_regs_dma_addr, &entry->cp_entry->cmd.oc3_block.regs_haddr); | 1830 | fore200e->bus->write(oc3_regs_dma_addr, &entry->cp_entry->cmd.oc3_block.regs_haddr); |
1831 | 1831 | ||
1832 | *entry->status = STATUS_PENDING; | 1832 | *entry->status = STATUS_PENDING; |
1833 | 1833 | ||
1834 | fore200e->bus->write(*(u32*)&opcode, (u32*)&entry->cp_entry->cmd.oc3_block.opcode); | 1834 | fore200e->bus->write(*(u32*)&opcode, (u32*)&entry->cp_entry->cmd.oc3_block.opcode); |
1835 | 1835 | ||
1836 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | 1836 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); |
1837 | 1837 | ||
1838 | *entry->status = STATUS_FREE; | 1838 | *entry->status = STATUS_FREE; |
1839 | 1839 | ||
1840 | fore200e->bus->dma_unmap(fore200e, oc3_regs_dma_addr, sizeof(struct oc3_regs), DMA_FROM_DEVICE); | 1840 | fore200e->bus->dma_unmap(fore200e, oc3_regs_dma_addr, sizeof(struct oc3_regs), DMA_FROM_DEVICE); |
1841 | 1841 | ||
1842 | if (ok == 0) { | 1842 | if (ok == 0) { |
1843 | printk(FORE200E "unable to get OC-3 regs of device %s\n", fore200e->name); | 1843 | printk(FORE200E "unable to get OC-3 regs of device %s\n", fore200e->name); |
1844 | return -EIO; | 1844 | return -EIO; |
1845 | } | 1845 | } |
1846 | 1846 | ||
1847 | return 0; | 1847 | return 0; |
1848 | } | 1848 | } |
1849 | #endif | 1849 | #endif |
1850 | 1850 | ||
1851 | 1851 | ||
1852 | static int | 1852 | static int |
1853 | fore200e_set_oc3(struct fore200e* fore200e, u32 reg, u32 value, u32 mask) | 1853 | fore200e_set_oc3(struct fore200e* fore200e, u32 reg, u32 value, u32 mask) |
1854 | { | 1854 | { |
1855 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | 1855 | struct host_cmdq* cmdq = &fore200e->host_cmdq; |
1856 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; | 1856 | struct host_cmdq_entry* entry = &cmdq->host_entry[ cmdq->head ]; |
1857 | struct oc3_opcode opcode; | 1857 | struct oc3_opcode opcode; |
1858 | int ok; | 1858 | int ok; |
1859 | 1859 | ||
1860 | DPRINTK(2, "set OC-3 reg = 0x%02x, value = 0x%02x, mask = 0x%02x\n", reg, value, mask); | 1860 | DPRINTK(2, "set OC-3 reg = 0x%02x, value = 0x%02x, mask = 0x%02x\n", reg, value, mask); |
1861 | 1861 | ||
1862 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); | 1862 | FORE200E_NEXT_ENTRY(cmdq->head, QUEUE_SIZE_CMD); |
1863 | 1863 | ||
1864 | opcode.opcode = OPCODE_SET_OC3; | 1864 | opcode.opcode = OPCODE_SET_OC3; |
1865 | opcode.reg = reg; | 1865 | opcode.reg = reg; |
1866 | opcode.value = value; | 1866 | opcode.value = value; |
1867 | opcode.mask = mask; | 1867 | opcode.mask = mask; |
1868 | 1868 | ||
1869 | fore200e->bus->write(0, &entry->cp_entry->cmd.oc3_block.regs_haddr); | 1869 | fore200e->bus->write(0, &entry->cp_entry->cmd.oc3_block.regs_haddr); |
1870 | 1870 | ||
1871 | *entry->status = STATUS_PENDING; | 1871 | *entry->status = STATUS_PENDING; |
1872 | 1872 | ||
1873 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.oc3_block.opcode); | 1873 | fore200e->bus->write(*(u32*)&opcode, (u32 __iomem *)&entry->cp_entry->cmd.oc3_block.opcode); |
1874 | 1874 | ||
1875 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); | 1875 | ok = fore200e_poll(fore200e, entry->status, STATUS_COMPLETE, 400); |
1876 | 1876 | ||
1877 | *entry->status = STATUS_FREE; | 1877 | *entry->status = STATUS_FREE; |
1878 | 1878 | ||
1879 | if (ok == 0) { | 1879 | if (ok == 0) { |
1880 | printk(FORE200E "unable to set OC-3 reg 0x%02x of device %s\n", reg, fore200e->name); | 1880 | printk(FORE200E "unable to set OC-3 reg 0x%02x of device %s\n", reg, fore200e->name); |
1881 | return -EIO; | 1881 | return -EIO; |
1882 | } | 1882 | } |
1883 | 1883 | ||
1884 | return 0; | 1884 | return 0; |
1885 | } | 1885 | } |
1886 | 1886 | ||
1887 | 1887 | ||
1888 | static int | 1888 | static int |
1889 | fore200e_setloop(struct fore200e* fore200e, int loop_mode) | 1889 | fore200e_setloop(struct fore200e* fore200e, int loop_mode) |
1890 | { | 1890 | { |
1891 | u32 mct_value, mct_mask; | 1891 | u32 mct_value, mct_mask; |
1892 | int error; | 1892 | int error; |
1893 | 1893 | ||
1894 | if (!capable(CAP_NET_ADMIN)) | 1894 | if (!capable(CAP_NET_ADMIN)) |
1895 | return -EPERM; | 1895 | return -EPERM; |
1896 | 1896 | ||
1897 | switch (loop_mode) { | 1897 | switch (loop_mode) { |
1898 | 1898 | ||
1899 | case ATM_LM_NONE: | 1899 | case ATM_LM_NONE: |
1900 | mct_value = 0; | 1900 | mct_value = 0; |
1901 | mct_mask = SUNI_MCT_DLE | SUNI_MCT_LLE; | 1901 | mct_mask = SUNI_MCT_DLE | SUNI_MCT_LLE; |
1902 | break; | 1902 | break; |
1903 | 1903 | ||
1904 | case ATM_LM_LOC_PHY: | 1904 | case ATM_LM_LOC_PHY: |
1905 | mct_value = mct_mask = SUNI_MCT_DLE; | 1905 | mct_value = mct_mask = SUNI_MCT_DLE; |
1906 | break; | 1906 | break; |
1907 | 1907 | ||
1908 | case ATM_LM_RMT_PHY: | 1908 | case ATM_LM_RMT_PHY: |
1909 | mct_value = mct_mask = SUNI_MCT_LLE; | 1909 | mct_value = mct_mask = SUNI_MCT_LLE; |
1910 | break; | 1910 | break; |
1911 | 1911 | ||
1912 | default: | 1912 | default: |
1913 | return -EINVAL; | 1913 | return -EINVAL; |
1914 | } | 1914 | } |
1915 | 1915 | ||
1916 | error = fore200e_set_oc3(fore200e, SUNI_MCT, mct_value, mct_mask); | 1916 | error = fore200e_set_oc3(fore200e, SUNI_MCT, mct_value, mct_mask); |
1917 | if (error == 0) | 1917 | if (error == 0) |
1918 | fore200e->loop_mode = loop_mode; | 1918 | fore200e->loop_mode = loop_mode; |
1919 | 1919 | ||
1920 | return error; | 1920 | return error; |
1921 | } | 1921 | } |
1922 | 1922 | ||
1923 | 1923 | ||
1924 | static int | 1924 | static int |
1925 | fore200e_fetch_stats(struct fore200e* fore200e, struct sonet_stats __user *arg) | 1925 | fore200e_fetch_stats(struct fore200e* fore200e, struct sonet_stats __user *arg) |
1926 | { | 1926 | { |
1927 | struct sonet_stats tmp; | 1927 | struct sonet_stats tmp; |
1928 | 1928 | ||
1929 | if (fore200e_getstats(fore200e) < 0) | 1929 | if (fore200e_getstats(fore200e) < 0) |
1930 | return -EIO; | 1930 | return -EIO; |
1931 | 1931 | ||
1932 | tmp.section_bip = be32_to_cpu(fore200e->stats->oc3.section_bip8_errors); | 1932 | tmp.section_bip = be32_to_cpu(fore200e->stats->oc3.section_bip8_errors); |
1933 | tmp.line_bip = be32_to_cpu(fore200e->stats->oc3.line_bip24_errors); | 1933 | tmp.line_bip = be32_to_cpu(fore200e->stats->oc3.line_bip24_errors); |
1934 | tmp.path_bip = be32_to_cpu(fore200e->stats->oc3.path_bip8_errors); | 1934 | tmp.path_bip = be32_to_cpu(fore200e->stats->oc3.path_bip8_errors); |
1935 | tmp.line_febe = be32_to_cpu(fore200e->stats->oc3.line_febe_errors); | 1935 | tmp.line_febe = be32_to_cpu(fore200e->stats->oc3.line_febe_errors); |
1936 | tmp.path_febe = be32_to_cpu(fore200e->stats->oc3.path_febe_errors); | 1936 | tmp.path_febe = be32_to_cpu(fore200e->stats->oc3.path_febe_errors); |
1937 | tmp.corr_hcs = be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors); | 1937 | tmp.corr_hcs = be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors); |
1938 | tmp.uncorr_hcs = be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors); | 1938 | tmp.uncorr_hcs = be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors); |
1939 | tmp.tx_cells = be32_to_cpu(fore200e->stats->aal0.cells_transmitted) + | 1939 | tmp.tx_cells = be32_to_cpu(fore200e->stats->aal0.cells_transmitted) + |
1940 | be32_to_cpu(fore200e->stats->aal34.cells_transmitted) + | 1940 | be32_to_cpu(fore200e->stats->aal34.cells_transmitted) + |
1941 | be32_to_cpu(fore200e->stats->aal5.cells_transmitted); | 1941 | be32_to_cpu(fore200e->stats->aal5.cells_transmitted); |
1942 | tmp.rx_cells = be32_to_cpu(fore200e->stats->aal0.cells_received) + | 1942 | tmp.rx_cells = be32_to_cpu(fore200e->stats->aal0.cells_received) + |
1943 | be32_to_cpu(fore200e->stats->aal34.cells_received) + | 1943 | be32_to_cpu(fore200e->stats->aal34.cells_received) + |
1944 | be32_to_cpu(fore200e->stats->aal5.cells_received); | 1944 | be32_to_cpu(fore200e->stats->aal5.cells_received); |
1945 | 1945 | ||
1946 | if (arg) | 1946 | if (arg) |
1947 | return copy_to_user(arg, &tmp, sizeof(struct sonet_stats)) ? -EFAULT : 0; | 1947 | return copy_to_user(arg, &tmp, sizeof(struct sonet_stats)) ? -EFAULT : 0; |
1948 | 1948 | ||
1949 | return 0; | 1949 | return 0; |
1950 | } | 1950 | } |
1951 | 1951 | ||
1952 | 1952 | ||
1953 | static int | 1953 | static int |
1954 | fore200e_ioctl(struct atm_dev* dev, unsigned int cmd, void __user * arg) | 1954 | fore200e_ioctl(struct atm_dev* dev, unsigned int cmd, void __user * arg) |
1955 | { | 1955 | { |
1956 | struct fore200e* fore200e = FORE200E_DEV(dev); | 1956 | struct fore200e* fore200e = FORE200E_DEV(dev); |
1957 | 1957 | ||
1958 | DPRINTK(2, "ioctl cmd = 0x%x (%u), arg = 0x%p (%lu)\n", cmd, cmd, arg, (unsigned long)arg); | 1958 | DPRINTK(2, "ioctl cmd = 0x%x (%u), arg = 0x%p (%lu)\n", cmd, cmd, arg, (unsigned long)arg); |
1959 | 1959 | ||
1960 | switch (cmd) { | 1960 | switch (cmd) { |
1961 | 1961 | ||
1962 | case SONET_GETSTAT: | 1962 | case SONET_GETSTAT: |
1963 | return fore200e_fetch_stats(fore200e, (struct sonet_stats __user *)arg); | 1963 | return fore200e_fetch_stats(fore200e, (struct sonet_stats __user *)arg); |
1964 | 1964 | ||
1965 | case SONET_GETDIAG: | 1965 | case SONET_GETDIAG: |
1966 | return put_user(0, (int __user *)arg) ? -EFAULT : 0; | 1966 | return put_user(0, (int __user *)arg) ? -EFAULT : 0; |
1967 | 1967 | ||
1968 | case ATM_SETLOOP: | 1968 | case ATM_SETLOOP: |
1969 | return fore200e_setloop(fore200e, (int)(unsigned long)arg); | 1969 | return fore200e_setloop(fore200e, (int)(unsigned long)arg); |
1970 | 1970 | ||
1971 | case ATM_GETLOOP: | 1971 | case ATM_GETLOOP: |
1972 | return put_user(fore200e->loop_mode, (int __user *)arg) ? -EFAULT : 0; | 1972 | return put_user(fore200e->loop_mode, (int __user *)arg) ? -EFAULT : 0; |
1973 | 1973 | ||
1974 | case ATM_QUERYLOOP: | 1974 | case ATM_QUERYLOOP: |
1975 | return put_user(ATM_LM_LOC_PHY | ATM_LM_RMT_PHY, (int __user *)arg) ? -EFAULT : 0; | 1975 | return put_user(ATM_LM_LOC_PHY | ATM_LM_RMT_PHY, (int __user *)arg) ? -EFAULT : 0; |
1976 | } | 1976 | } |
1977 | 1977 | ||
1978 | return -ENOSYS; /* not implemented */ | 1978 | return -ENOSYS; /* not implemented */ |
1979 | } | 1979 | } |
1980 | 1980 | ||
1981 | 1981 | ||
1982 | static int | 1982 | static int |
1983 | fore200e_change_qos(struct atm_vcc* vcc,struct atm_qos* qos, int flags) | 1983 | fore200e_change_qos(struct atm_vcc* vcc,struct atm_qos* qos, int flags) |
1984 | { | 1984 | { |
1985 | struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); | 1985 | struct fore200e_vcc* fore200e_vcc = FORE200E_VCC(vcc); |
1986 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); | 1986 | struct fore200e* fore200e = FORE200E_DEV(vcc->dev); |
1987 | 1987 | ||
1988 | if (!test_bit(ATM_VF_READY, &vcc->flags)) { | 1988 | if (!test_bit(ATM_VF_READY, &vcc->flags)) { |
1989 | DPRINTK(1, "VC %d.%d.%d not ready for QoS change\n", vcc->itf, vcc->vpi, vcc->vpi); | 1989 | DPRINTK(1, "VC %d.%d.%d not ready for QoS change\n", vcc->itf, vcc->vpi, vcc->vpi); |
1990 | return -EINVAL; | 1990 | return -EINVAL; |
1991 | } | 1991 | } |
1992 | 1992 | ||
1993 | DPRINTK(2, "change_qos %d.%d.%d, " | 1993 | DPRINTK(2, "change_qos %d.%d.%d, " |
1994 | "(tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " | 1994 | "(tx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d; " |
1995 | "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d), flags = 0x%x\n" | 1995 | "rx: cl=%s, pcr=%d-%d, cdv=%d, max_sdu=%d), flags = 0x%x\n" |
1996 | "available_cell_rate = %u", | 1996 | "available_cell_rate = %u", |
1997 | vcc->itf, vcc->vpi, vcc->vci, | 1997 | vcc->itf, vcc->vpi, vcc->vci, |
1998 | fore200e_traffic_class[ qos->txtp.traffic_class ], | 1998 | fore200e_traffic_class[ qos->txtp.traffic_class ], |
1999 | qos->txtp.min_pcr, qos->txtp.max_pcr, qos->txtp.max_cdv, qos->txtp.max_sdu, | 1999 | qos->txtp.min_pcr, qos->txtp.max_pcr, qos->txtp.max_cdv, qos->txtp.max_sdu, |
2000 | fore200e_traffic_class[ qos->rxtp.traffic_class ], | 2000 | fore200e_traffic_class[ qos->rxtp.traffic_class ], |
2001 | qos->rxtp.min_pcr, qos->rxtp.max_pcr, qos->rxtp.max_cdv, qos->rxtp.max_sdu, | 2001 | qos->rxtp.min_pcr, qos->rxtp.max_pcr, qos->rxtp.max_cdv, qos->rxtp.max_sdu, |
2002 | flags, fore200e->available_cell_rate); | 2002 | flags, fore200e->available_cell_rate); |
2003 | 2003 | ||
2004 | if ((qos->txtp.traffic_class == ATM_CBR) && (qos->txtp.max_pcr > 0)) { | 2004 | if ((qos->txtp.traffic_class == ATM_CBR) && (qos->txtp.max_pcr > 0)) { |
2005 | 2005 | ||
2006 | mutex_lock(&fore200e->rate_mtx); | 2006 | mutex_lock(&fore200e->rate_mtx); |
2007 | if (fore200e->available_cell_rate + vcc->qos.txtp.max_pcr < qos->txtp.max_pcr) { | 2007 | if (fore200e->available_cell_rate + vcc->qos.txtp.max_pcr < qos->txtp.max_pcr) { |
2008 | mutex_unlock(&fore200e->rate_mtx); | 2008 | mutex_unlock(&fore200e->rate_mtx); |
2009 | return -EAGAIN; | 2009 | return -EAGAIN; |
2010 | } | 2010 | } |
2011 | 2011 | ||
2012 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; | 2012 | fore200e->available_cell_rate += vcc->qos.txtp.max_pcr; |
2013 | fore200e->available_cell_rate -= qos->txtp.max_pcr; | 2013 | fore200e->available_cell_rate -= qos->txtp.max_pcr; |
2014 | 2014 | ||
2015 | mutex_unlock(&fore200e->rate_mtx); | 2015 | mutex_unlock(&fore200e->rate_mtx); |
2016 | 2016 | ||
2017 | memcpy(&vcc->qos, qos, sizeof(struct atm_qos)); | 2017 | memcpy(&vcc->qos, qos, sizeof(struct atm_qos)); |
2018 | 2018 | ||
2019 | /* update rate control parameters */ | 2019 | /* update rate control parameters */ |
2020 | fore200e_rate_ctrl(qos, &fore200e_vcc->rate); | 2020 | fore200e_rate_ctrl(qos, &fore200e_vcc->rate); |
2021 | 2021 | ||
2022 | set_bit(ATM_VF_HASQOS, &vcc->flags); | 2022 | set_bit(ATM_VF_HASQOS, &vcc->flags); |
2023 | 2023 | ||
2024 | return 0; | 2024 | return 0; |
2025 | } | 2025 | } |
2026 | 2026 | ||
2027 | return -EINVAL; | 2027 | return -EINVAL; |
2028 | } | 2028 | } |
2029 | 2029 | ||
2030 | 2030 | ||
2031 | static int __devinit | 2031 | static int __devinit |
2032 | fore200e_irq_request(struct fore200e* fore200e) | 2032 | fore200e_irq_request(struct fore200e* fore200e) |
2033 | { | 2033 | { |
2034 | if (request_irq(fore200e->irq, fore200e_interrupt, IRQF_SHARED, fore200e->name, fore200e->atm_dev) < 0) { | 2034 | if (request_irq(fore200e->irq, fore200e_interrupt, IRQF_SHARED, fore200e->name, fore200e->atm_dev) < 0) { |
2035 | 2035 | ||
2036 | printk(FORE200E "unable to reserve IRQ %s for device %s\n", | 2036 | printk(FORE200E "unable to reserve IRQ %s for device %s\n", |
2037 | fore200e_irq_itoa(fore200e->irq), fore200e->name); | 2037 | fore200e_irq_itoa(fore200e->irq), fore200e->name); |
2038 | return -EBUSY; | 2038 | return -EBUSY; |
2039 | } | 2039 | } |
2040 | 2040 | ||
2041 | printk(FORE200E "IRQ %s reserved for device %s\n", | 2041 | printk(FORE200E "IRQ %s reserved for device %s\n", |
2042 | fore200e_irq_itoa(fore200e->irq), fore200e->name); | 2042 | fore200e_irq_itoa(fore200e->irq), fore200e->name); |
2043 | 2043 | ||
2044 | #ifdef FORE200E_USE_TASKLET | 2044 | #ifdef FORE200E_USE_TASKLET |
2045 | tasklet_init(&fore200e->tx_tasklet, fore200e_tx_tasklet, (unsigned long)fore200e); | 2045 | tasklet_init(&fore200e->tx_tasklet, fore200e_tx_tasklet, (unsigned long)fore200e); |
2046 | tasklet_init(&fore200e->rx_tasklet, fore200e_rx_tasklet, (unsigned long)fore200e); | 2046 | tasklet_init(&fore200e->rx_tasklet, fore200e_rx_tasklet, (unsigned long)fore200e); |
2047 | #endif | 2047 | #endif |
2048 | 2048 | ||
2049 | fore200e->state = FORE200E_STATE_IRQ; | 2049 | fore200e->state = FORE200E_STATE_IRQ; |
2050 | return 0; | 2050 | return 0; |
2051 | } | 2051 | } |
2052 | 2052 | ||
2053 | 2053 | ||
2054 | static int __devinit | 2054 | static int __devinit |
2055 | fore200e_get_esi(struct fore200e* fore200e) | 2055 | fore200e_get_esi(struct fore200e* fore200e) |
2056 | { | 2056 | { |
2057 | struct prom_data* prom = kzalloc(sizeof(struct prom_data), GFP_KERNEL | GFP_DMA); | 2057 | struct prom_data* prom = kzalloc(sizeof(struct prom_data), GFP_KERNEL | GFP_DMA); |
2058 | int ok, i; | 2058 | int ok, i; |
2059 | 2059 | ||
2060 | if (!prom) | 2060 | if (!prom) |
2061 | return -ENOMEM; | 2061 | return -ENOMEM; |
2062 | 2062 | ||
2063 | ok = fore200e->bus->prom_read(fore200e, prom); | 2063 | ok = fore200e->bus->prom_read(fore200e, prom); |
2064 | if (ok < 0) { | 2064 | if (ok < 0) { |
2065 | kfree(prom); | 2065 | kfree(prom); |
2066 | return -EBUSY; | 2066 | return -EBUSY; |
2067 | } | 2067 | } |
2068 | 2068 | ||
2069 | printk(FORE200E "device %s, rev. %c, S/N: %d, ESI: %pM\n", | 2069 | printk(FORE200E "device %s, rev. %c, S/N: %d, ESI: %pM\n", |
2070 | fore200e->name, | 2070 | fore200e->name, |
2071 | (prom->hw_revision & 0xFF) + '@', /* probably meaningless with SBA boards */ | 2071 | (prom->hw_revision & 0xFF) + '@', /* probably meaningless with SBA boards */ |
2072 | prom->serial_number & 0xFFFF, &prom->mac_addr[2]); | 2072 | prom->serial_number & 0xFFFF, &prom->mac_addr[2]); |
2073 | 2073 | ||
2074 | for (i = 0; i < ESI_LEN; i++) { | 2074 | for (i = 0; i < ESI_LEN; i++) { |
2075 | fore200e->esi[ i ] = fore200e->atm_dev->esi[ i ] = prom->mac_addr[ i + 2 ]; | 2075 | fore200e->esi[ i ] = fore200e->atm_dev->esi[ i ] = prom->mac_addr[ i + 2 ]; |
2076 | } | 2076 | } |
2077 | 2077 | ||
2078 | kfree(prom); | 2078 | kfree(prom); |
2079 | 2079 | ||
2080 | return 0; | 2080 | return 0; |
2081 | } | 2081 | } |
2082 | 2082 | ||
2083 | 2083 | ||
2084 | static int __devinit | 2084 | static int __devinit |
2085 | fore200e_alloc_rx_buf(struct fore200e* fore200e) | 2085 | fore200e_alloc_rx_buf(struct fore200e* fore200e) |
2086 | { | 2086 | { |
2087 | int scheme, magn, nbr, size, i; | 2087 | int scheme, magn, nbr, size, i; |
2088 | 2088 | ||
2089 | struct host_bsq* bsq; | 2089 | struct host_bsq* bsq; |
2090 | struct buffer* buffer; | 2090 | struct buffer* buffer; |
2091 | 2091 | ||
2092 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | 2092 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { |
2093 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | 2093 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { |
2094 | 2094 | ||
2095 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; | 2095 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; |
2096 | 2096 | ||
2097 | nbr = fore200e_rx_buf_nbr[ scheme ][ magn ]; | 2097 | nbr = fore200e_rx_buf_nbr[ scheme ][ magn ]; |
2098 | size = fore200e_rx_buf_size[ scheme ][ magn ]; | 2098 | size = fore200e_rx_buf_size[ scheme ][ magn ]; |
2099 | 2099 | ||
2100 | DPRINTK(2, "rx buffers %d / %d are being allocated\n", scheme, magn); | 2100 | DPRINTK(2, "rx buffers %d / %d are being allocated\n", scheme, magn); |
2101 | 2101 | ||
2102 | /* allocate the array of receive buffers */ | 2102 | /* allocate the array of receive buffers */ |
2103 | buffer = bsq->buffer = kzalloc(nbr * sizeof(struct buffer), GFP_KERNEL); | 2103 | buffer = bsq->buffer = kzalloc(nbr * sizeof(struct buffer), GFP_KERNEL); |
2104 | 2104 | ||
2105 | if (buffer == NULL) | 2105 | if (buffer == NULL) |
2106 | return -ENOMEM; | 2106 | return -ENOMEM; |
2107 | 2107 | ||
2108 | bsq->freebuf = NULL; | 2108 | bsq->freebuf = NULL; |
2109 | 2109 | ||
2110 | for (i = 0; i < nbr; i++) { | 2110 | for (i = 0; i < nbr; i++) { |
2111 | 2111 | ||
2112 | buffer[ i ].scheme = scheme; | 2112 | buffer[ i ].scheme = scheme; |
2113 | buffer[ i ].magn = magn; | 2113 | buffer[ i ].magn = magn; |
2114 | #ifdef FORE200E_BSQ_DEBUG | 2114 | #ifdef FORE200E_BSQ_DEBUG |
2115 | buffer[ i ].index = i; | 2115 | buffer[ i ].index = i; |
2116 | buffer[ i ].supplied = 0; | 2116 | buffer[ i ].supplied = 0; |
2117 | #endif | 2117 | #endif |
2118 | 2118 | ||
2119 | /* allocate the receive buffer body */ | 2119 | /* allocate the receive buffer body */ |
2120 | if (fore200e_chunk_alloc(fore200e, | 2120 | if (fore200e_chunk_alloc(fore200e, |
2121 | &buffer[ i ].data, size, fore200e->bus->buffer_alignment, | 2121 | &buffer[ i ].data, size, fore200e->bus->buffer_alignment, |
2122 | DMA_FROM_DEVICE) < 0) { | 2122 | DMA_FROM_DEVICE) < 0) { |
2123 | 2123 | ||
2124 | while (i > 0) | 2124 | while (i > 0) |
2125 | fore200e_chunk_free(fore200e, &buffer[ --i ].data); | 2125 | fore200e_chunk_free(fore200e, &buffer[ --i ].data); |
2126 | kfree(buffer); | 2126 | kfree(buffer); |
2127 | 2127 | ||
2128 | return -ENOMEM; | 2128 | return -ENOMEM; |
2129 | } | 2129 | } |
2130 | 2130 | ||
2131 | /* insert the buffer into the free buffer list */ | 2131 | /* insert the buffer into the free buffer list */ |
2132 | buffer[ i ].next = bsq->freebuf; | 2132 | buffer[ i ].next = bsq->freebuf; |
2133 | bsq->freebuf = &buffer[ i ]; | 2133 | bsq->freebuf = &buffer[ i ]; |
2134 | } | 2134 | } |
2135 | /* all the buffers are free, initially */ | 2135 | /* all the buffers are free, initially */ |
2136 | bsq->freebuf_count = nbr; | 2136 | bsq->freebuf_count = nbr; |
2137 | 2137 | ||
2138 | #ifdef FORE200E_BSQ_DEBUG | 2138 | #ifdef FORE200E_BSQ_DEBUG |
2139 | bsq_audit(3, bsq, scheme, magn); | 2139 | bsq_audit(3, bsq, scheme, magn); |
2140 | #endif | 2140 | #endif |
2141 | } | 2141 | } |
2142 | } | 2142 | } |
2143 | 2143 | ||
2144 | fore200e->state = FORE200E_STATE_ALLOC_BUF; | 2144 | fore200e->state = FORE200E_STATE_ALLOC_BUF; |
2145 | return 0; | 2145 | return 0; |
2146 | } | 2146 | } |
2147 | 2147 | ||
2148 | 2148 | ||
2149 | static int __devinit | 2149 | static int __devinit |
2150 | fore200e_init_bs_queue(struct fore200e* fore200e) | 2150 | fore200e_init_bs_queue(struct fore200e* fore200e) |
2151 | { | 2151 | { |
2152 | int scheme, magn, i; | 2152 | int scheme, magn, i; |
2153 | 2153 | ||
2154 | struct host_bsq* bsq; | 2154 | struct host_bsq* bsq; |
2155 | struct cp_bsq_entry __iomem * cp_entry; | 2155 | struct cp_bsq_entry __iomem * cp_entry; |
2156 | 2156 | ||
2157 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { | 2157 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) { |
2158 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { | 2158 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) { |
2159 | 2159 | ||
2160 | DPRINTK(2, "buffer supply queue %d / %d is being initialized\n", scheme, magn); | 2160 | DPRINTK(2, "buffer supply queue %d / %d is being initialized\n", scheme, magn); |
2161 | 2161 | ||
2162 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; | 2162 | bsq = &fore200e->host_bsq[ scheme ][ magn ]; |
2163 | 2163 | ||
2164 | /* allocate and align the array of status words */ | 2164 | /* allocate and align the array of status words */ |
2165 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2165 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2166 | &bsq->status, | 2166 | &bsq->status, |
2167 | sizeof(enum status), | 2167 | sizeof(enum status), |
2168 | QUEUE_SIZE_BS, | 2168 | QUEUE_SIZE_BS, |
2169 | fore200e->bus->status_alignment) < 0) { | 2169 | fore200e->bus->status_alignment) < 0) { |
2170 | return -ENOMEM; | 2170 | return -ENOMEM; |
2171 | } | 2171 | } |
2172 | 2172 | ||
2173 | /* allocate and align the array of receive buffer descriptors */ | 2173 | /* allocate and align the array of receive buffer descriptors */ |
2174 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2174 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2175 | &bsq->rbd_block, | 2175 | &bsq->rbd_block, |
2176 | sizeof(struct rbd_block), | 2176 | sizeof(struct rbd_block), |
2177 | QUEUE_SIZE_BS, | 2177 | QUEUE_SIZE_BS, |
2178 | fore200e->bus->descr_alignment) < 0) { | 2178 | fore200e->bus->descr_alignment) < 0) { |
2179 | 2179 | ||
2180 | fore200e->bus->dma_chunk_free(fore200e, &bsq->status); | 2180 | fore200e->bus->dma_chunk_free(fore200e, &bsq->status); |
2181 | return -ENOMEM; | 2181 | return -ENOMEM; |
2182 | } | 2182 | } |
2183 | 2183 | ||
2184 | /* get the base address of the cp resident buffer supply queue entries */ | 2184 | /* get the base address of the cp resident buffer supply queue entries */ |
2185 | cp_entry = fore200e->virt_base + | 2185 | cp_entry = fore200e->virt_base + |
2186 | fore200e->bus->read(&fore200e->cp_queues->cp_bsq[ scheme ][ magn ]); | 2186 | fore200e->bus->read(&fore200e->cp_queues->cp_bsq[ scheme ][ magn ]); |
2187 | 2187 | ||
2188 | /* fill the host resident and cp resident buffer supply queue entries */ | 2188 | /* fill the host resident and cp resident buffer supply queue entries */ |
2189 | for (i = 0; i < QUEUE_SIZE_BS; i++) { | 2189 | for (i = 0; i < QUEUE_SIZE_BS; i++) { |
2190 | 2190 | ||
2191 | bsq->host_entry[ i ].status = | 2191 | bsq->host_entry[ i ].status = |
2192 | FORE200E_INDEX(bsq->status.align_addr, enum status, i); | 2192 | FORE200E_INDEX(bsq->status.align_addr, enum status, i); |
2193 | bsq->host_entry[ i ].rbd_block = | 2193 | bsq->host_entry[ i ].rbd_block = |
2194 | FORE200E_INDEX(bsq->rbd_block.align_addr, struct rbd_block, i); | 2194 | FORE200E_INDEX(bsq->rbd_block.align_addr, struct rbd_block, i); |
2195 | bsq->host_entry[ i ].rbd_block_dma = | 2195 | bsq->host_entry[ i ].rbd_block_dma = |
2196 | FORE200E_DMA_INDEX(bsq->rbd_block.dma_addr, struct rbd_block, i); | 2196 | FORE200E_DMA_INDEX(bsq->rbd_block.dma_addr, struct rbd_block, i); |
2197 | bsq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | 2197 | bsq->host_entry[ i ].cp_entry = &cp_entry[ i ]; |
2198 | 2198 | ||
2199 | *bsq->host_entry[ i ].status = STATUS_FREE; | 2199 | *bsq->host_entry[ i ].status = STATUS_FREE; |
2200 | 2200 | ||
2201 | fore200e->bus->write(FORE200E_DMA_INDEX(bsq->status.dma_addr, enum status, i), | 2201 | fore200e->bus->write(FORE200E_DMA_INDEX(bsq->status.dma_addr, enum status, i), |
2202 | &cp_entry[ i ].status_haddr); | 2202 | &cp_entry[ i ].status_haddr); |
2203 | } | 2203 | } |
2204 | } | 2204 | } |
2205 | } | 2205 | } |
2206 | 2206 | ||
2207 | fore200e->state = FORE200E_STATE_INIT_BSQ; | 2207 | fore200e->state = FORE200E_STATE_INIT_BSQ; |
2208 | return 0; | 2208 | return 0; |
2209 | } | 2209 | } |
2210 | 2210 | ||
2211 | 2211 | ||
2212 | static int __devinit | 2212 | static int __devinit |
2213 | fore200e_init_rx_queue(struct fore200e* fore200e) | 2213 | fore200e_init_rx_queue(struct fore200e* fore200e) |
2214 | { | 2214 | { |
2215 | struct host_rxq* rxq = &fore200e->host_rxq; | 2215 | struct host_rxq* rxq = &fore200e->host_rxq; |
2216 | struct cp_rxq_entry __iomem * cp_entry; | 2216 | struct cp_rxq_entry __iomem * cp_entry; |
2217 | int i; | 2217 | int i; |
2218 | 2218 | ||
2219 | DPRINTK(2, "receive queue is being initialized\n"); | 2219 | DPRINTK(2, "receive queue is being initialized\n"); |
2220 | 2220 | ||
2221 | /* allocate and align the array of status words */ | 2221 | /* allocate and align the array of status words */ |
2222 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2222 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2223 | &rxq->status, | 2223 | &rxq->status, |
2224 | sizeof(enum status), | 2224 | sizeof(enum status), |
2225 | QUEUE_SIZE_RX, | 2225 | QUEUE_SIZE_RX, |
2226 | fore200e->bus->status_alignment) < 0) { | 2226 | fore200e->bus->status_alignment) < 0) { |
2227 | return -ENOMEM; | 2227 | return -ENOMEM; |
2228 | } | 2228 | } |
2229 | 2229 | ||
2230 | /* allocate and align the array of receive PDU descriptors */ | 2230 | /* allocate and align the array of receive PDU descriptors */ |
2231 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2231 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2232 | &rxq->rpd, | 2232 | &rxq->rpd, |
2233 | sizeof(struct rpd), | 2233 | sizeof(struct rpd), |
2234 | QUEUE_SIZE_RX, | 2234 | QUEUE_SIZE_RX, |
2235 | fore200e->bus->descr_alignment) < 0) { | 2235 | fore200e->bus->descr_alignment) < 0) { |
2236 | 2236 | ||
2237 | fore200e->bus->dma_chunk_free(fore200e, &rxq->status); | 2237 | fore200e->bus->dma_chunk_free(fore200e, &rxq->status); |
2238 | return -ENOMEM; | 2238 | return -ENOMEM; |
2239 | } | 2239 | } |
2240 | 2240 | ||
2241 | /* get the base address of the cp resident rx queue entries */ | 2241 | /* get the base address of the cp resident rx queue entries */ |
2242 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_rxq); | 2242 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_rxq); |
2243 | 2243 | ||
2244 | /* fill the host resident and cp resident rx entries */ | 2244 | /* fill the host resident and cp resident rx entries */ |
2245 | for (i=0; i < QUEUE_SIZE_RX; i++) { | 2245 | for (i=0; i < QUEUE_SIZE_RX; i++) { |
2246 | 2246 | ||
2247 | rxq->host_entry[ i ].status = | 2247 | rxq->host_entry[ i ].status = |
2248 | FORE200E_INDEX(rxq->status.align_addr, enum status, i); | 2248 | FORE200E_INDEX(rxq->status.align_addr, enum status, i); |
2249 | rxq->host_entry[ i ].rpd = | 2249 | rxq->host_entry[ i ].rpd = |
2250 | FORE200E_INDEX(rxq->rpd.align_addr, struct rpd, i); | 2250 | FORE200E_INDEX(rxq->rpd.align_addr, struct rpd, i); |
2251 | rxq->host_entry[ i ].rpd_dma = | 2251 | rxq->host_entry[ i ].rpd_dma = |
2252 | FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i); | 2252 | FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i); |
2253 | rxq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | 2253 | rxq->host_entry[ i ].cp_entry = &cp_entry[ i ]; |
2254 | 2254 | ||
2255 | *rxq->host_entry[ i ].status = STATUS_FREE; | 2255 | *rxq->host_entry[ i ].status = STATUS_FREE; |
2256 | 2256 | ||
2257 | fore200e->bus->write(FORE200E_DMA_INDEX(rxq->status.dma_addr, enum status, i), | 2257 | fore200e->bus->write(FORE200E_DMA_INDEX(rxq->status.dma_addr, enum status, i), |
2258 | &cp_entry[ i ].status_haddr); | 2258 | &cp_entry[ i ].status_haddr); |
2259 | 2259 | ||
2260 | fore200e->bus->write(FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i), | 2260 | fore200e->bus->write(FORE200E_DMA_INDEX(rxq->rpd.dma_addr, struct rpd, i), |
2261 | &cp_entry[ i ].rpd_haddr); | 2261 | &cp_entry[ i ].rpd_haddr); |
2262 | } | 2262 | } |
2263 | 2263 | ||
2264 | /* set the head entry of the queue */ | 2264 | /* set the head entry of the queue */ |
2265 | rxq->head = 0; | 2265 | rxq->head = 0; |
2266 | 2266 | ||
2267 | fore200e->state = FORE200E_STATE_INIT_RXQ; | 2267 | fore200e->state = FORE200E_STATE_INIT_RXQ; |
2268 | return 0; | 2268 | return 0; |
2269 | } | 2269 | } |
2270 | 2270 | ||
2271 | 2271 | ||
2272 | static int __devinit | 2272 | static int __devinit |
2273 | fore200e_init_tx_queue(struct fore200e* fore200e) | 2273 | fore200e_init_tx_queue(struct fore200e* fore200e) |
2274 | { | 2274 | { |
2275 | struct host_txq* txq = &fore200e->host_txq; | 2275 | struct host_txq* txq = &fore200e->host_txq; |
2276 | struct cp_txq_entry __iomem * cp_entry; | 2276 | struct cp_txq_entry __iomem * cp_entry; |
2277 | int i; | 2277 | int i; |
2278 | 2278 | ||
2279 | DPRINTK(2, "transmit queue is being initialized\n"); | 2279 | DPRINTK(2, "transmit queue is being initialized\n"); |
2280 | 2280 | ||
2281 | /* allocate and align the array of status words */ | 2281 | /* allocate and align the array of status words */ |
2282 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2282 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2283 | &txq->status, | 2283 | &txq->status, |
2284 | sizeof(enum status), | 2284 | sizeof(enum status), |
2285 | QUEUE_SIZE_TX, | 2285 | QUEUE_SIZE_TX, |
2286 | fore200e->bus->status_alignment) < 0) { | 2286 | fore200e->bus->status_alignment) < 0) { |
2287 | return -ENOMEM; | 2287 | return -ENOMEM; |
2288 | } | 2288 | } |
2289 | 2289 | ||
2290 | /* allocate and align the array of transmit PDU descriptors */ | 2290 | /* allocate and align the array of transmit PDU descriptors */ |
2291 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2291 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2292 | &txq->tpd, | 2292 | &txq->tpd, |
2293 | sizeof(struct tpd), | 2293 | sizeof(struct tpd), |
2294 | QUEUE_SIZE_TX, | 2294 | QUEUE_SIZE_TX, |
2295 | fore200e->bus->descr_alignment) < 0) { | 2295 | fore200e->bus->descr_alignment) < 0) { |
2296 | 2296 | ||
2297 | fore200e->bus->dma_chunk_free(fore200e, &txq->status); | 2297 | fore200e->bus->dma_chunk_free(fore200e, &txq->status); |
2298 | return -ENOMEM; | 2298 | return -ENOMEM; |
2299 | } | 2299 | } |
2300 | 2300 | ||
2301 | /* get the base address of the cp resident tx queue entries */ | 2301 | /* get the base address of the cp resident tx queue entries */ |
2302 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_txq); | 2302 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_txq); |
2303 | 2303 | ||
2304 | /* fill the host resident and cp resident tx entries */ | 2304 | /* fill the host resident and cp resident tx entries */ |
2305 | for (i=0; i < QUEUE_SIZE_TX; i++) { | 2305 | for (i=0; i < QUEUE_SIZE_TX; i++) { |
2306 | 2306 | ||
2307 | txq->host_entry[ i ].status = | 2307 | txq->host_entry[ i ].status = |
2308 | FORE200E_INDEX(txq->status.align_addr, enum status, i); | 2308 | FORE200E_INDEX(txq->status.align_addr, enum status, i); |
2309 | txq->host_entry[ i ].tpd = | 2309 | txq->host_entry[ i ].tpd = |
2310 | FORE200E_INDEX(txq->tpd.align_addr, struct tpd, i); | 2310 | FORE200E_INDEX(txq->tpd.align_addr, struct tpd, i); |
2311 | txq->host_entry[ i ].tpd_dma = | 2311 | txq->host_entry[ i ].tpd_dma = |
2312 | FORE200E_DMA_INDEX(txq->tpd.dma_addr, struct tpd, i); | 2312 | FORE200E_DMA_INDEX(txq->tpd.dma_addr, struct tpd, i); |
2313 | txq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | 2313 | txq->host_entry[ i ].cp_entry = &cp_entry[ i ]; |
2314 | 2314 | ||
2315 | *txq->host_entry[ i ].status = STATUS_FREE; | 2315 | *txq->host_entry[ i ].status = STATUS_FREE; |
2316 | 2316 | ||
2317 | fore200e->bus->write(FORE200E_DMA_INDEX(txq->status.dma_addr, enum status, i), | 2317 | fore200e->bus->write(FORE200E_DMA_INDEX(txq->status.dma_addr, enum status, i), |
2318 | &cp_entry[ i ].status_haddr); | 2318 | &cp_entry[ i ].status_haddr); |
2319 | 2319 | ||
2320 | /* although there is a one-to-one mapping of tx queue entries and tpds, | 2320 | /* although there is a one-to-one mapping of tx queue entries and tpds, |
2321 | we do not write here the DMA (physical) base address of each tpd into | 2321 | we do not write here the DMA (physical) base address of each tpd into |
2322 | the related cp resident entry, because the cp relies on this write | 2322 | the related cp resident entry, because the cp relies on this write |
2323 | operation to detect that a new pdu has been submitted for tx */ | 2323 | operation to detect that a new pdu has been submitted for tx */ |
2324 | } | 2324 | } |
2325 | 2325 | ||
2326 | /* set the head and tail entries of the queue */ | 2326 | /* set the head and tail entries of the queue */ |
2327 | txq->head = 0; | 2327 | txq->head = 0; |
2328 | txq->tail = 0; | 2328 | txq->tail = 0; |
2329 | 2329 | ||
2330 | fore200e->state = FORE200E_STATE_INIT_TXQ; | 2330 | fore200e->state = FORE200E_STATE_INIT_TXQ; |
2331 | return 0; | 2331 | return 0; |
2332 | } | 2332 | } |
2333 | 2333 | ||
2334 | 2334 | ||
2335 | static int __devinit | 2335 | static int __devinit |
2336 | fore200e_init_cmd_queue(struct fore200e* fore200e) | 2336 | fore200e_init_cmd_queue(struct fore200e* fore200e) |
2337 | { | 2337 | { |
2338 | struct host_cmdq* cmdq = &fore200e->host_cmdq; | 2338 | struct host_cmdq* cmdq = &fore200e->host_cmdq; |
2339 | struct cp_cmdq_entry __iomem * cp_entry; | 2339 | struct cp_cmdq_entry __iomem * cp_entry; |
2340 | int i; | 2340 | int i; |
2341 | 2341 | ||
2342 | DPRINTK(2, "command queue is being initialized\n"); | 2342 | DPRINTK(2, "command queue is being initialized\n"); |
2343 | 2343 | ||
2344 | /* allocate and align the array of status words */ | 2344 | /* allocate and align the array of status words */ |
2345 | if (fore200e->bus->dma_chunk_alloc(fore200e, | 2345 | if (fore200e->bus->dma_chunk_alloc(fore200e, |
2346 | &cmdq->status, | 2346 | &cmdq->status, |
2347 | sizeof(enum status), | 2347 | sizeof(enum status), |
2348 | QUEUE_SIZE_CMD, | 2348 | QUEUE_SIZE_CMD, |
2349 | fore200e->bus->status_alignment) < 0) { | 2349 | fore200e->bus->status_alignment) < 0) { |
2350 | return -ENOMEM; | 2350 | return -ENOMEM; |
2351 | } | 2351 | } |
2352 | 2352 | ||
2353 | /* get the base address of the cp resident cmd queue entries */ | 2353 | /* get the base address of the cp resident cmd queue entries */ |
2354 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_cmdq); | 2354 | cp_entry = fore200e->virt_base + fore200e->bus->read(&fore200e->cp_queues->cp_cmdq); |
2355 | 2355 | ||
2356 | /* fill the host resident and cp resident cmd entries */ | 2356 | /* fill the host resident and cp resident cmd entries */ |
2357 | for (i=0; i < QUEUE_SIZE_CMD; i++) { | 2357 | for (i=0; i < QUEUE_SIZE_CMD; i++) { |
2358 | 2358 | ||
2359 | cmdq->host_entry[ i ].status = | 2359 | cmdq->host_entry[ i ].status = |
2360 | FORE200E_INDEX(cmdq->status.align_addr, enum status, i); | 2360 | FORE200E_INDEX(cmdq->status.align_addr, enum status, i); |
2361 | cmdq->host_entry[ i ].cp_entry = &cp_entry[ i ]; | 2361 | cmdq->host_entry[ i ].cp_entry = &cp_entry[ i ]; |
2362 | 2362 | ||
2363 | *cmdq->host_entry[ i ].status = STATUS_FREE; | 2363 | *cmdq->host_entry[ i ].status = STATUS_FREE; |
2364 | 2364 | ||
2365 | fore200e->bus->write(FORE200E_DMA_INDEX(cmdq->status.dma_addr, enum status, i), | 2365 | fore200e->bus->write(FORE200E_DMA_INDEX(cmdq->status.dma_addr, enum status, i), |
2366 | &cp_entry[ i ].status_haddr); | 2366 | &cp_entry[ i ].status_haddr); |
2367 | } | 2367 | } |
2368 | 2368 | ||
2369 | /* set the head entry of the queue */ | 2369 | /* set the head entry of the queue */ |
2370 | cmdq->head = 0; | 2370 | cmdq->head = 0; |
2371 | 2371 | ||
2372 | fore200e->state = FORE200E_STATE_INIT_CMDQ; | 2372 | fore200e->state = FORE200E_STATE_INIT_CMDQ; |
2373 | return 0; | 2373 | return 0; |
2374 | } | 2374 | } |
2375 | 2375 | ||
2376 | 2376 | ||
2377 | static void __devinit | 2377 | static void __devinit |
2378 | fore200e_param_bs_queue(struct fore200e* fore200e, | 2378 | fore200e_param_bs_queue(struct fore200e* fore200e, |
2379 | enum buffer_scheme scheme, enum buffer_magn magn, | 2379 | enum buffer_scheme scheme, enum buffer_magn magn, |
2380 | int queue_length, int pool_size, int supply_blksize) | 2380 | int queue_length, int pool_size, int supply_blksize) |
2381 | { | 2381 | { |
2382 | struct bs_spec __iomem * bs_spec = &fore200e->cp_queues->init.bs_spec[ scheme ][ magn ]; | 2382 | struct bs_spec __iomem * bs_spec = &fore200e->cp_queues->init.bs_spec[ scheme ][ magn ]; |
2383 | 2383 | ||
2384 | fore200e->bus->write(queue_length, &bs_spec->queue_length); | 2384 | fore200e->bus->write(queue_length, &bs_spec->queue_length); |
2385 | fore200e->bus->write(fore200e_rx_buf_size[ scheme ][ magn ], &bs_spec->buffer_size); | 2385 | fore200e->bus->write(fore200e_rx_buf_size[ scheme ][ magn ], &bs_spec->buffer_size); |
2386 | fore200e->bus->write(pool_size, &bs_spec->pool_size); | 2386 | fore200e->bus->write(pool_size, &bs_spec->pool_size); |
2387 | fore200e->bus->write(supply_blksize, &bs_spec->supply_blksize); | 2387 | fore200e->bus->write(supply_blksize, &bs_spec->supply_blksize); |
2388 | } | 2388 | } |
2389 | 2389 | ||
2390 | 2390 | ||
2391 | static int __devinit | 2391 | static int __devinit |
2392 | fore200e_initialize(struct fore200e* fore200e) | 2392 | fore200e_initialize(struct fore200e* fore200e) |
2393 | { | 2393 | { |
2394 | struct cp_queues __iomem * cpq; | 2394 | struct cp_queues __iomem * cpq; |
2395 | int ok, scheme, magn; | 2395 | int ok, scheme, magn; |
2396 | 2396 | ||
2397 | DPRINTK(2, "device %s being initialized\n", fore200e->name); | 2397 | DPRINTK(2, "device %s being initialized\n", fore200e->name); |
2398 | 2398 | ||
2399 | mutex_init(&fore200e->rate_mtx); | 2399 | mutex_init(&fore200e->rate_mtx); |
2400 | spin_lock_init(&fore200e->q_lock); | 2400 | spin_lock_init(&fore200e->q_lock); |
2401 | 2401 | ||
2402 | cpq = fore200e->cp_queues = fore200e->virt_base + FORE200E_CP_QUEUES_OFFSET; | 2402 | cpq = fore200e->cp_queues = fore200e->virt_base + FORE200E_CP_QUEUES_OFFSET; |
2403 | 2403 | ||
2404 | /* enable cp to host interrupts */ | 2404 | /* enable cp to host interrupts */ |
2405 | fore200e->bus->write(1, &cpq->imask); | 2405 | fore200e->bus->write(1, &cpq->imask); |
2406 | 2406 | ||
2407 | if (fore200e->bus->irq_enable) | 2407 | if (fore200e->bus->irq_enable) |
2408 | fore200e->bus->irq_enable(fore200e); | 2408 | fore200e->bus->irq_enable(fore200e); |
2409 | 2409 | ||
2410 | fore200e->bus->write(NBR_CONNECT, &cpq->init.num_connect); | 2410 | fore200e->bus->write(NBR_CONNECT, &cpq->init.num_connect); |
2411 | 2411 | ||
2412 | fore200e->bus->write(QUEUE_SIZE_CMD, &cpq->init.cmd_queue_len); | 2412 | fore200e->bus->write(QUEUE_SIZE_CMD, &cpq->init.cmd_queue_len); |
2413 | fore200e->bus->write(QUEUE_SIZE_RX, &cpq->init.rx_queue_len); | 2413 | fore200e->bus->write(QUEUE_SIZE_RX, &cpq->init.rx_queue_len); |
2414 | fore200e->bus->write(QUEUE_SIZE_TX, &cpq->init.tx_queue_len); | 2414 | fore200e->bus->write(QUEUE_SIZE_TX, &cpq->init.tx_queue_len); |
2415 | 2415 | ||
2416 | fore200e->bus->write(RSD_EXTENSION, &cpq->init.rsd_extension); | 2416 | fore200e->bus->write(RSD_EXTENSION, &cpq->init.rsd_extension); |
2417 | fore200e->bus->write(TSD_EXTENSION, &cpq->init.tsd_extension); | 2417 | fore200e->bus->write(TSD_EXTENSION, &cpq->init.tsd_extension); |
2418 | 2418 | ||
2419 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) | 2419 | for (scheme = 0; scheme < BUFFER_SCHEME_NBR; scheme++) |
2420 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) | 2420 | for (magn = 0; magn < BUFFER_MAGN_NBR; magn++) |
2421 | fore200e_param_bs_queue(fore200e, scheme, magn, | 2421 | fore200e_param_bs_queue(fore200e, scheme, magn, |
2422 | QUEUE_SIZE_BS, | 2422 | QUEUE_SIZE_BS, |
2423 | fore200e_rx_buf_nbr[ scheme ][ magn ], | 2423 | fore200e_rx_buf_nbr[ scheme ][ magn ], |
2424 | RBD_BLK_SIZE); | 2424 | RBD_BLK_SIZE); |
2425 | 2425 | ||
2426 | /* issue the initialize command */ | 2426 | /* issue the initialize command */ |
2427 | fore200e->bus->write(STATUS_PENDING, &cpq->init.status); | 2427 | fore200e->bus->write(STATUS_PENDING, &cpq->init.status); |
2428 | fore200e->bus->write(OPCODE_INITIALIZE, &cpq->init.opcode); | 2428 | fore200e->bus->write(OPCODE_INITIALIZE, &cpq->init.opcode); |
2429 | 2429 | ||
2430 | ok = fore200e_io_poll(fore200e, &cpq->init.status, STATUS_COMPLETE, 3000); | 2430 | ok = fore200e_io_poll(fore200e, &cpq->init.status, STATUS_COMPLETE, 3000); |
2431 | if (ok == 0) { | 2431 | if (ok == 0) { |
2432 | printk(FORE200E "device %s initialization failed\n", fore200e->name); | 2432 | printk(FORE200E "device %s initialization failed\n", fore200e->name); |
2433 | return -ENODEV; | 2433 | return -ENODEV; |
2434 | } | 2434 | } |
2435 | 2435 | ||
2436 | printk(FORE200E "device %s initialized\n", fore200e->name); | 2436 | printk(FORE200E "device %s initialized\n", fore200e->name); |
2437 | 2437 | ||
2438 | fore200e->state = FORE200E_STATE_INITIALIZE; | 2438 | fore200e->state = FORE200E_STATE_INITIALIZE; |
2439 | return 0; | 2439 | return 0; |
2440 | } | 2440 | } |
2441 | 2441 | ||
2442 | 2442 | ||
2443 | static void __devinit | 2443 | static void __devinit |
2444 | fore200e_monitor_putc(struct fore200e* fore200e, char c) | 2444 | fore200e_monitor_putc(struct fore200e* fore200e, char c) |
2445 | { | 2445 | { |
2446 | struct cp_monitor __iomem * monitor = fore200e->cp_monitor; | 2446 | struct cp_monitor __iomem * monitor = fore200e->cp_monitor; |
2447 | 2447 | ||
2448 | #if 0 | 2448 | #if 0 |
2449 | printk("%c", c); | 2449 | printk("%c", c); |
2450 | #endif | 2450 | #endif |
2451 | fore200e->bus->write(((u32) c) | FORE200E_CP_MONITOR_UART_AVAIL, &monitor->soft_uart.send); | 2451 | fore200e->bus->write(((u32) c) | FORE200E_CP_MONITOR_UART_AVAIL, &monitor->soft_uart.send); |
2452 | } | 2452 | } |
2453 | 2453 | ||
2454 | 2454 | ||
2455 | static int __devinit | 2455 | static int __devinit |
2456 | fore200e_monitor_getc(struct fore200e* fore200e) | 2456 | fore200e_monitor_getc(struct fore200e* fore200e) |
2457 | { | 2457 | { |
2458 | struct cp_monitor __iomem * monitor = fore200e->cp_monitor; | 2458 | struct cp_monitor __iomem * monitor = fore200e->cp_monitor; |
2459 | unsigned long timeout = jiffies + msecs_to_jiffies(50); | 2459 | unsigned long timeout = jiffies + msecs_to_jiffies(50); |
2460 | int c; | 2460 | int c; |
2461 | 2461 | ||
2462 | while (time_before(jiffies, timeout)) { | 2462 | while (time_before(jiffies, timeout)) { |
2463 | 2463 | ||
2464 | c = (int) fore200e->bus->read(&monitor->soft_uart.recv); | 2464 | c = (int) fore200e->bus->read(&monitor->soft_uart.recv); |
2465 | 2465 | ||
2466 | if (c & FORE200E_CP_MONITOR_UART_AVAIL) { | 2466 | if (c & FORE200E_CP_MONITOR_UART_AVAIL) { |
2467 | 2467 | ||
2468 | fore200e->bus->write(FORE200E_CP_MONITOR_UART_FREE, &monitor->soft_uart.recv); | 2468 | fore200e->bus->write(FORE200E_CP_MONITOR_UART_FREE, &monitor->soft_uart.recv); |
2469 | #if 0 | 2469 | #if 0 |
2470 | printk("%c", c & 0xFF); | 2470 | printk("%c", c & 0xFF); |
2471 | #endif | 2471 | #endif |
2472 | return c & 0xFF; | 2472 | return c & 0xFF; |
2473 | } | 2473 | } |
2474 | } | 2474 | } |
2475 | 2475 | ||
2476 | return -1; | 2476 | return -1; |
2477 | } | 2477 | } |
2478 | 2478 | ||
2479 | 2479 | ||
2480 | static void __devinit | 2480 | static void __devinit |
2481 | fore200e_monitor_puts(struct fore200e* fore200e, char* str) | 2481 | fore200e_monitor_puts(struct fore200e* fore200e, char* str) |
2482 | { | 2482 | { |
2483 | while (*str) { | 2483 | while (*str) { |
2484 | 2484 | ||
2485 | /* the i960 monitor doesn't accept any new character if it has something to say */ | 2485 | /* the i960 monitor doesn't accept any new character if it has something to say */ |
2486 | while (fore200e_monitor_getc(fore200e) >= 0); | 2486 | while (fore200e_monitor_getc(fore200e) >= 0); |
2487 | 2487 | ||
2488 | fore200e_monitor_putc(fore200e, *str++); | 2488 | fore200e_monitor_putc(fore200e, *str++); |
2489 | } | 2489 | } |
2490 | 2490 | ||
2491 | while (fore200e_monitor_getc(fore200e) >= 0); | 2491 | while (fore200e_monitor_getc(fore200e) >= 0); |
2492 | } | 2492 | } |
2493 | 2493 | ||
2494 | #ifdef __LITTLE_ENDIAN | 2494 | #ifdef __LITTLE_ENDIAN |
2495 | #define FW_EXT ".bin" | 2495 | #define FW_EXT ".bin" |
2496 | #else | 2496 | #else |
2497 | #define FW_EXT "_ecd.bin2" | 2497 | #define FW_EXT "_ecd.bin2" |
2498 | #endif | 2498 | #endif |
2499 | 2499 | ||
2500 | static int __devinit | 2500 | static int __devinit |
2501 | fore200e_load_and_start_fw(struct fore200e* fore200e) | 2501 | fore200e_load_and_start_fw(struct fore200e* fore200e) |
2502 | { | 2502 | { |
2503 | const struct firmware *firmware; | 2503 | const struct firmware *firmware; |
2504 | struct device *device; | 2504 | struct device *device; |
2505 | struct fw_header *fw_header; | 2505 | struct fw_header *fw_header; |
2506 | const __le32 *fw_data; | 2506 | const __le32 *fw_data; |
2507 | u32 fw_size; | 2507 | u32 fw_size; |
2508 | u32 __iomem *load_addr; | 2508 | u32 __iomem *load_addr; |
2509 | char buf[48]; | 2509 | char buf[48]; |
2510 | int err = -ENODEV; | 2510 | int err = -ENODEV; |
2511 | 2511 | ||
2512 | if (strcmp(fore200e->bus->model_name, "PCA-200E") == 0) | 2512 | if (strcmp(fore200e->bus->model_name, "PCA-200E") == 0) |
2513 | device = &((struct pci_dev *) fore200e->bus_dev)->dev; | 2513 | device = &((struct pci_dev *) fore200e->bus_dev)->dev; |
2514 | #ifdef CONFIG_SBUS | 2514 | #ifdef CONFIG_SBUS |
2515 | else if (strcmp(fore200e->bus->model_name, "SBA-200E") == 0) | 2515 | else if (strcmp(fore200e->bus->model_name, "SBA-200E") == 0) |
2516 | device = &((struct platform_device *) fore200e->bus_dev)->dev; | 2516 | device = &((struct platform_device *) fore200e->bus_dev)->dev; |
2517 | #endif | 2517 | #endif |
2518 | else | 2518 | else |
2519 | return err; | 2519 | return err; |
2520 | 2520 | ||
2521 | sprintf(buf, "%s%s", fore200e->bus->proc_name, FW_EXT); | 2521 | sprintf(buf, "%s%s", fore200e->bus->proc_name, FW_EXT); |
2522 | if ((err = request_firmware(&firmware, buf, device)) < 0) { | 2522 | if ((err = request_firmware(&firmware, buf, device)) < 0) { |
2523 | printk(FORE200E "problem loading firmware image %s\n", fore200e->bus->model_name); | 2523 | printk(FORE200E "problem loading firmware image %s\n", fore200e->bus->model_name); |
2524 | return err; | 2524 | return err; |
2525 | } | 2525 | } |
2526 | 2526 | ||
2527 | fw_data = (__le32 *) firmware->data; | 2527 | fw_data = (__le32 *) firmware->data; |
2528 | fw_size = firmware->size / sizeof(u32); | 2528 | fw_size = firmware->size / sizeof(u32); |
2529 | fw_header = (struct fw_header *) firmware->data; | 2529 | fw_header = (struct fw_header *) firmware->data; |
2530 | load_addr = fore200e->virt_base + le32_to_cpu(fw_header->load_offset); | 2530 | load_addr = fore200e->virt_base + le32_to_cpu(fw_header->load_offset); |
2531 | 2531 | ||
2532 | DPRINTK(2, "device %s firmware being loaded at 0x%p (%d words)\n", | 2532 | DPRINTK(2, "device %s firmware being loaded at 0x%p (%d words)\n", |
2533 | fore200e->name, load_addr, fw_size); | 2533 | fore200e->name, load_addr, fw_size); |
2534 | 2534 | ||
2535 | if (le32_to_cpu(fw_header->magic) != FW_HEADER_MAGIC) { | 2535 | if (le32_to_cpu(fw_header->magic) != FW_HEADER_MAGIC) { |
2536 | printk(FORE200E "corrupted %s firmware image\n", fore200e->bus->model_name); | 2536 | printk(FORE200E "corrupted %s firmware image\n", fore200e->bus->model_name); |
2537 | goto release; | 2537 | goto release; |
2538 | } | 2538 | } |
2539 | 2539 | ||
2540 | for (; fw_size--; fw_data++, load_addr++) | 2540 | for (; fw_size--; fw_data++, load_addr++) |
2541 | fore200e->bus->write(le32_to_cpu(*fw_data), load_addr); | 2541 | fore200e->bus->write(le32_to_cpu(*fw_data), load_addr); |
2542 | 2542 | ||
2543 | DPRINTK(2, "device %s firmware being started\n", fore200e->name); | 2543 | DPRINTK(2, "device %s firmware being started\n", fore200e->name); |
2544 | 2544 | ||
2545 | #if defined(__sparc_v9__) | 2545 | #if defined(__sparc_v9__) |
2546 | /* reported to be required by SBA cards on some sparc64 hosts */ | 2546 | /* reported to be required by SBA cards on some sparc64 hosts */ |
2547 | fore200e_spin(100); | 2547 | fore200e_spin(100); |
2548 | #endif | 2548 | #endif |
2549 | 2549 | ||
2550 | sprintf(buf, "\rgo %x\r", le32_to_cpu(fw_header->start_offset)); | 2550 | sprintf(buf, "\rgo %x\r", le32_to_cpu(fw_header->start_offset)); |
2551 | fore200e_monitor_puts(fore200e, buf); | 2551 | fore200e_monitor_puts(fore200e, buf); |
2552 | 2552 | ||
2553 | if (fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_CP_RUNNING, 1000) == 0) { | 2553 | if (fore200e_io_poll(fore200e, &fore200e->cp_monitor->bstat, BSTAT_CP_RUNNING, 1000) == 0) { |
2554 | printk(FORE200E "device %s firmware didn't start\n", fore200e->name); | 2554 | printk(FORE200E "device %s firmware didn't start\n", fore200e->name); |
2555 | goto release; | 2555 | goto release; |
2556 | } | 2556 | } |
2557 | 2557 | ||
2558 | printk(FORE200E "device %s firmware started\n", fore200e->name); | 2558 | printk(FORE200E "device %s firmware started\n", fore200e->name); |
2559 | 2559 | ||
2560 | fore200e->state = FORE200E_STATE_START_FW; | 2560 | fore200e->state = FORE200E_STATE_START_FW; |
2561 | err = 0; | 2561 | err = 0; |
2562 | 2562 | ||
2563 | release: | 2563 | release: |
2564 | release_firmware(firmware); | 2564 | release_firmware(firmware); |
2565 | return err; | 2565 | return err; |
2566 | } | 2566 | } |
2567 | 2567 | ||
2568 | 2568 | ||
2569 | static int __devinit | 2569 | static int __devinit |
2570 | fore200e_register(struct fore200e* fore200e) | 2570 | fore200e_register(struct fore200e* fore200e) |
2571 | { | 2571 | { |
2572 | struct atm_dev* atm_dev; | 2572 | struct atm_dev* atm_dev; |
2573 | 2573 | ||
2574 | DPRINTK(2, "device %s being registered\n", fore200e->name); | 2574 | DPRINTK(2, "device %s being registered\n", fore200e->name); |
2575 | 2575 | ||
2576 | atm_dev = atm_dev_register(fore200e->bus->proc_name, &fore200e_ops, -1, | 2576 | atm_dev = atm_dev_register(fore200e->bus->proc_name, &fore200e_ops, -1, |
2577 | NULL); | 2577 | NULL); |
2578 | if (atm_dev == NULL) { | 2578 | if (atm_dev == NULL) { |
2579 | printk(FORE200E "unable to register device %s\n", fore200e->name); | 2579 | printk(FORE200E "unable to register device %s\n", fore200e->name); |
2580 | return -ENODEV; | 2580 | return -ENODEV; |
2581 | } | 2581 | } |
2582 | 2582 | ||
2583 | atm_dev->dev_data = fore200e; | 2583 | atm_dev->dev_data = fore200e; |
2584 | fore200e->atm_dev = atm_dev; | 2584 | fore200e->atm_dev = atm_dev; |
2585 | 2585 | ||
2586 | atm_dev->ci_range.vpi_bits = FORE200E_VPI_BITS; | 2586 | atm_dev->ci_range.vpi_bits = FORE200E_VPI_BITS; |
2587 | atm_dev->ci_range.vci_bits = FORE200E_VCI_BITS; | 2587 | atm_dev->ci_range.vci_bits = FORE200E_VCI_BITS; |
2588 | 2588 | ||
2589 | fore200e->available_cell_rate = ATM_OC3_PCR; | 2589 | fore200e->available_cell_rate = ATM_OC3_PCR; |
2590 | 2590 | ||
2591 | fore200e->state = FORE200E_STATE_REGISTER; | 2591 | fore200e->state = FORE200E_STATE_REGISTER; |
2592 | return 0; | 2592 | return 0; |
2593 | } | 2593 | } |
2594 | 2594 | ||
2595 | 2595 | ||
2596 | static int __devinit | 2596 | static int __devinit |
2597 | fore200e_init(struct fore200e* fore200e) | 2597 | fore200e_init(struct fore200e* fore200e) |
2598 | { | 2598 | { |
2599 | if (fore200e_register(fore200e) < 0) | 2599 | if (fore200e_register(fore200e) < 0) |
2600 | return -ENODEV; | 2600 | return -ENODEV; |
2601 | 2601 | ||
2602 | if (fore200e->bus->configure(fore200e) < 0) | 2602 | if (fore200e->bus->configure(fore200e) < 0) |
2603 | return -ENODEV; | 2603 | return -ENODEV; |
2604 | 2604 | ||
2605 | if (fore200e->bus->map(fore200e) < 0) | 2605 | if (fore200e->bus->map(fore200e) < 0) |
2606 | return -ENODEV; | 2606 | return -ENODEV; |
2607 | 2607 | ||
2608 | if (fore200e_reset(fore200e, 1) < 0) | 2608 | if (fore200e_reset(fore200e, 1) < 0) |
2609 | return -ENODEV; | 2609 | return -ENODEV; |
2610 | 2610 | ||
2611 | if (fore200e_load_and_start_fw(fore200e) < 0) | 2611 | if (fore200e_load_and_start_fw(fore200e) < 0) |
2612 | return -ENODEV; | 2612 | return -ENODEV; |
2613 | 2613 | ||
2614 | if (fore200e_initialize(fore200e) < 0) | 2614 | if (fore200e_initialize(fore200e) < 0) |
2615 | return -ENODEV; | 2615 | return -ENODEV; |
2616 | 2616 | ||
2617 | if (fore200e_init_cmd_queue(fore200e) < 0) | 2617 | if (fore200e_init_cmd_queue(fore200e) < 0) |
2618 | return -ENOMEM; | 2618 | return -ENOMEM; |
2619 | 2619 | ||
2620 | if (fore200e_init_tx_queue(fore200e) < 0) | 2620 | if (fore200e_init_tx_queue(fore200e) < 0) |
2621 | return -ENOMEM; | 2621 | return -ENOMEM; |
2622 | 2622 | ||
2623 | if (fore200e_init_rx_queue(fore200e) < 0) | 2623 | if (fore200e_init_rx_queue(fore200e) < 0) |
2624 | return -ENOMEM; | 2624 | return -ENOMEM; |
2625 | 2625 | ||
2626 | if (fore200e_init_bs_queue(fore200e) < 0) | 2626 | if (fore200e_init_bs_queue(fore200e) < 0) |
2627 | return -ENOMEM; | 2627 | return -ENOMEM; |
2628 | 2628 | ||
2629 | if (fore200e_alloc_rx_buf(fore200e) < 0) | 2629 | if (fore200e_alloc_rx_buf(fore200e) < 0) |
2630 | return -ENOMEM; | 2630 | return -ENOMEM; |
2631 | 2631 | ||
2632 | if (fore200e_get_esi(fore200e) < 0) | 2632 | if (fore200e_get_esi(fore200e) < 0) |
2633 | return -EIO; | 2633 | return -EIO; |
2634 | 2634 | ||
2635 | if (fore200e_irq_request(fore200e) < 0) | 2635 | if (fore200e_irq_request(fore200e) < 0) |
2636 | return -EBUSY; | 2636 | return -EBUSY; |
2637 | 2637 | ||
2638 | fore200e_supply(fore200e); | 2638 | fore200e_supply(fore200e); |
2639 | 2639 | ||
2640 | /* all done, board initialization is now complete */ | 2640 | /* all done, board initialization is now complete */ |
2641 | fore200e->state = FORE200E_STATE_COMPLETE; | 2641 | fore200e->state = FORE200E_STATE_COMPLETE; |
2642 | return 0; | 2642 | return 0; |
2643 | } | 2643 | } |
2644 | 2644 | ||
2645 | #ifdef CONFIG_SBUS | 2645 | #ifdef CONFIG_SBUS |
2646 | static int __devinit fore200e_sba_probe(struct platform_device *op, | 2646 | static int __devinit fore200e_sba_probe(struct platform_device *op, |
2647 | const struct of_device_id *match) | 2647 | const struct of_device_id *match) |
2648 | { | 2648 | { |
2649 | const struct fore200e_bus *bus = match->data; | 2649 | const struct fore200e_bus *bus = match->data; |
2650 | struct fore200e *fore200e; | 2650 | struct fore200e *fore200e; |
2651 | static int index = 0; | 2651 | static int index = 0; |
2652 | int err; | 2652 | int err; |
2653 | 2653 | ||
2654 | fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); | 2654 | fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); |
2655 | if (!fore200e) | 2655 | if (!fore200e) |
2656 | return -ENOMEM; | 2656 | return -ENOMEM; |
2657 | 2657 | ||
2658 | fore200e->bus = bus; | 2658 | fore200e->bus = bus; |
2659 | fore200e->bus_dev = op; | 2659 | fore200e->bus_dev = op; |
2660 | fore200e->irq = op->archdata.irqs[0]; | 2660 | fore200e->irq = op->archdata.irqs[0]; |
2661 | fore200e->phys_base = op->resource[0].start; | 2661 | fore200e->phys_base = op->resource[0].start; |
2662 | 2662 | ||
2663 | sprintf(fore200e->name, "%s-%d", bus->model_name, index); | 2663 | sprintf(fore200e->name, "%s-%d", bus->model_name, index); |
2664 | 2664 | ||
2665 | err = fore200e_init(fore200e); | 2665 | err = fore200e_init(fore200e); |
2666 | if (err < 0) { | 2666 | if (err < 0) { |
2667 | fore200e_shutdown(fore200e); | 2667 | fore200e_shutdown(fore200e); |
2668 | kfree(fore200e); | 2668 | kfree(fore200e); |
2669 | return err; | 2669 | return err; |
2670 | } | 2670 | } |
2671 | 2671 | ||
2672 | index++; | 2672 | index++; |
2673 | dev_set_drvdata(&op->dev, fore200e); | 2673 | dev_set_drvdata(&op->dev, fore200e); |
2674 | 2674 | ||
2675 | return 0; | 2675 | return 0; |
2676 | } | 2676 | } |
2677 | 2677 | ||
2678 | static int __devexit fore200e_sba_remove(struct platform_device *op) | 2678 | static int __devexit fore200e_sba_remove(struct platform_device *op) |
2679 | { | 2679 | { |
2680 | struct fore200e *fore200e = dev_get_drvdata(&op->dev); | 2680 | struct fore200e *fore200e = dev_get_drvdata(&op->dev); |
2681 | 2681 | ||
2682 | fore200e_shutdown(fore200e); | 2682 | fore200e_shutdown(fore200e); |
2683 | kfree(fore200e); | 2683 | kfree(fore200e); |
2684 | 2684 | ||
2685 | return 0; | 2685 | return 0; |
2686 | } | 2686 | } |
2687 | 2687 | ||
2688 | static const struct of_device_id fore200e_sba_match[] = { | 2688 | static const struct of_device_id fore200e_sba_match[] = { |
2689 | { | 2689 | { |
2690 | .name = SBA200E_PROM_NAME, | 2690 | .name = SBA200E_PROM_NAME, |
2691 | .data = (void *) &fore200e_bus[1], | 2691 | .data = (void *) &fore200e_bus[1], |
2692 | }, | 2692 | }, |
2693 | {}, | 2693 | {}, |
2694 | }; | 2694 | }; |
2695 | MODULE_DEVICE_TABLE(of, fore200e_sba_match); | 2695 | MODULE_DEVICE_TABLE(of, fore200e_sba_match); |
2696 | 2696 | ||
2697 | static struct of_platform_driver fore200e_sba_driver = { | 2697 | static struct of_platform_driver fore200e_sba_driver = { |
2698 | .driver = { | 2698 | .driver = { |
2699 | .name = "fore_200e", | 2699 | .name = "fore_200e", |
2700 | .owner = THIS_MODULE, | 2700 | .owner = THIS_MODULE, |
2701 | .of_match_table = fore200e_sba_match, | 2701 | .of_match_table = fore200e_sba_match, |
2702 | }, | 2702 | }, |
2703 | .probe = fore200e_sba_probe, | 2703 | .probe = fore200e_sba_probe, |
2704 | .remove = __devexit_p(fore200e_sba_remove), | 2704 | .remove = __devexit_p(fore200e_sba_remove), |
2705 | }; | 2705 | }; |
2706 | #endif | 2706 | #endif |
2707 | 2707 | ||
2708 | #ifdef CONFIG_PCI | 2708 | #ifdef CONFIG_PCI |
2709 | static int __devinit | 2709 | static int __devinit |
2710 | fore200e_pca_detect(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent) | 2710 | fore200e_pca_detect(struct pci_dev *pci_dev, const struct pci_device_id *pci_ent) |
2711 | { | 2711 | { |
2712 | const struct fore200e_bus* bus = (struct fore200e_bus*) pci_ent->driver_data; | 2712 | const struct fore200e_bus* bus = (struct fore200e_bus*) pci_ent->driver_data; |
2713 | struct fore200e* fore200e; | 2713 | struct fore200e* fore200e; |
2714 | int err = 0; | 2714 | int err = 0; |
2715 | static int index = 0; | 2715 | static int index = 0; |
2716 | 2716 | ||
2717 | if (pci_enable_device(pci_dev)) { | 2717 | if (pci_enable_device(pci_dev)) { |
2718 | err = -EINVAL; | 2718 | err = -EINVAL; |
2719 | goto out; | 2719 | goto out; |
2720 | } | 2720 | } |
2721 | 2721 | ||
2722 | fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); | 2722 | fore200e = kzalloc(sizeof(struct fore200e), GFP_KERNEL); |
2723 | if (fore200e == NULL) { | 2723 | if (fore200e == NULL) { |
2724 | err = -ENOMEM; | 2724 | err = -ENOMEM; |
2725 | goto out_disable; | 2725 | goto out_disable; |
2726 | } | 2726 | } |
2727 | 2727 | ||
2728 | fore200e->bus = bus; | 2728 | fore200e->bus = bus; |
2729 | fore200e->bus_dev = pci_dev; | 2729 | fore200e->bus_dev = pci_dev; |
2730 | fore200e->irq = pci_dev->irq; | 2730 | fore200e->irq = pci_dev->irq; |
2731 | fore200e->phys_base = pci_resource_start(pci_dev, 0); | 2731 | fore200e->phys_base = pci_resource_start(pci_dev, 0); |
2732 | 2732 | ||
2733 | sprintf(fore200e->name, "%s-%d", bus->model_name, index - 1); | 2733 | sprintf(fore200e->name, "%s-%d", bus->model_name, index - 1); |
2734 | 2734 | ||
2735 | pci_set_master(pci_dev); | 2735 | pci_set_master(pci_dev); |
2736 | 2736 | ||
2737 | printk(FORE200E "device %s found at 0x%lx, IRQ %s\n", | 2737 | printk(FORE200E "device %s found at 0x%lx, IRQ %s\n", |
2738 | fore200e->bus->model_name, | 2738 | fore200e->bus->model_name, |
2739 | fore200e->phys_base, fore200e_irq_itoa(fore200e->irq)); | 2739 | fore200e->phys_base, fore200e_irq_itoa(fore200e->irq)); |
2740 | 2740 | ||
2741 | sprintf(fore200e->name, "%s-%d", bus->model_name, index); | 2741 | sprintf(fore200e->name, "%s-%d", bus->model_name, index); |
2742 | 2742 | ||
2743 | err = fore200e_init(fore200e); | 2743 | err = fore200e_init(fore200e); |
2744 | if (err < 0) { | 2744 | if (err < 0) { |
2745 | fore200e_shutdown(fore200e); | 2745 | fore200e_shutdown(fore200e); |
2746 | goto out_free; | 2746 | goto out_free; |
2747 | } | 2747 | } |
2748 | 2748 | ||
2749 | ++index; | 2749 | ++index; |
2750 | pci_set_drvdata(pci_dev, fore200e); | 2750 | pci_set_drvdata(pci_dev, fore200e); |
2751 | 2751 | ||
2752 | out: | 2752 | out: |
2753 | return err; | 2753 | return err; |
2754 | 2754 | ||
2755 | out_free: | 2755 | out_free: |
2756 | kfree(fore200e); | 2756 | kfree(fore200e); |
2757 | out_disable: | 2757 | out_disable: |
2758 | pci_disable_device(pci_dev); | 2758 | pci_disable_device(pci_dev); |
2759 | goto out; | 2759 | goto out; |
2760 | } | 2760 | } |
2761 | 2761 | ||
2762 | 2762 | ||
2763 | static void __devexit fore200e_pca_remove_one(struct pci_dev *pci_dev) | 2763 | static void __devexit fore200e_pca_remove_one(struct pci_dev *pci_dev) |
2764 | { | 2764 | { |
2765 | struct fore200e *fore200e; | 2765 | struct fore200e *fore200e; |
2766 | 2766 | ||
2767 | fore200e = pci_get_drvdata(pci_dev); | 2767 | fore200e = pci_get_drvdata(pci_dev); |
2768 | 2768 | ||
2769 | fore200e_shutdown(fore200e); | 2769 | fore200e_shutdown(fore200e); |
2770 | kfree(fore200e); | 2770 | kfree(fore200e); |
2771 | pci_disable_device(pci_dev); | 2771 | pci_disable_device(pci_dev); |
2772 | } | 2772 | } |
2773 | 2773 | ||
2774 | 2774 | ||
2775 | static struct pci_device_id fore200e_pca_tbl[] = { | 2775 | static struct pci_device_id fore200e_pca_tbl[] = { |
2776 | { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID, | 2776 | { PCI_VENDOR_ID_FORE, PCI_DEVICE_ID_FORE_PCA200E, PCI_ANY_ID, PCI_ANY_ID, |
2777 | 0, 0, (unsigned long) &fore200e_bus[0] }, | 2777 | 0, 0, (unsigned long) &fore200e_bus[0] }, |
2778 | { 0, } | 2778 | { 0, } |
2779 | }; | 2779 | }; |
2780 | 2780 | ||
2781 | MODULE_DEVICE_TABLE(pci, fore200e_pca_tbl); | 2781 | MODULE_DEVICE_TABLE(pci, fore200e_pca_tbl); |
2782 | 2782 | ||
2783 | static struct pci_driver fore200e_pca_driver = { | 2783 | static struct pci_driver fore200e_pca_driver = { |
2784 | .name = "fore_200e", | 2784 | .name = "fore_200e", |
2785 | .probe = fore200e_pca_detect, | 2785 | .probe = fore200e_pca_detect, |
2786 | .remove = __devexit_p(fore200e_pca_remove_one), | 2786 | .remove = __devexit_p(fore200e_pca_remove_one), |
2787 | .id_table = fore200e_pca_tbl, | 2787 | .id_table = fore200e_pca_tbl, |
2788 | }; | 2788 | }; |
2789 | #endif | 2789 | #endif |
2790 | 2790 | ||
2791 | static int __init fore200e_module_init(void) | 2791 | static int __init fore200e_module_init(void) |
2792 | { | 2792 | { |
2793 | int err; | 2793 | int err; |
2794 | 2794 | ||
2795 | printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n"); | 2795 | printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n"); |
2796 | 2796 | ||
2797 | #ifdef CONFIG_SBUS | 2797 | #ifdef CONFIG_SBUS |
2798 | err = of_register_platform_driver(&fore200e_sba_driver); | 2798 | err = of_register_platform_driver(&fore200e_sba_driver); |
2799 | if (err) | 2799 | if (err) |
2800 | return err; | 2800 | return err; |
2801 | #endif | 2801 | #endif |
2802 | 2802 | ||
2803 | #ifdef CONFIG_PCI | 2803 | #ifdef CONFIG_PCI |
2804 | err = pci_register_driver(&fore200e_pca_driver); | 2804 | err = pci_register_driver(&fore200e_pca_driver); |
2805 | #endif | 2805 | #endif |
2806 | 2806 | ||
2807 | #ifdef CONFIG_SBUS | 2807 | #ifdef CONFIG_SBUS |
2808 | if (err) | 2808 | if (err) |
2809 | of_unregister_platform_driver(&fore200e_sba_driver); | 2809 | of_unregister_platform_driver(&fore200e_sba_driver); |
2810 | #endif | 2810 | #endif |
2811 | 2811 | ||
2812 | return err; | 2812 | return err; |
2813 | } | 2813 | } |
2814 | 2814 | ||
2815 | static void __exit fore200e_module_cleanup(void) | 2815 | static void __exit fore200e_module_cleanup(void) |
2816 | { | 2816 | { |
2817 | #ifdef CONFIG_PCI | 2817 | #ifdef CONFIG_PCI |
2818 | pci_unregister_driver(&fore200e_pca_driver); | 2818 | pci_unregister_driver(&fore200e_pca_driver); |
2819 | #endif | 2819 | #endif |
2820 | #ifdef CONFIG_SBUS | 2820 | #ifdef CONFIG_SBUS |
2821 | of_unregister_platform_driver(&fore200e_sba_driver); | 2821 | of_unregister_platform_driver(&fore200e_sba_driver); |
2822 | #endif | 2822 | #endif |
2823 | } | 2823 | } |
2824 | 2824 | ||
2825 | static int | 2825 | static int |
2826 | fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) | 2826 | fore200e_proc_read(struct atm_dev *dev, loff_t* pos, char* page) |
2827 | { | 2827 | { |
2828 | struct fore200e* fore200e = FORE200E_DEV(dev); | 2828 | struct fore200e* fore200e = FORE200E_DEV(dev); |
2829 | struct fore200e_vcc* fore200e_vcc; | 2829 | struct fore200e_vcc* fore200e_vcc; |
2830 | struct atm_vcc* vcc; | 2830 | struct atm_vcc* vcc; |
2831 | int i, len, left = *pos; | 2831 | int i, len, left = *pos; |
2832 | unsigned long flags; | 2832 | unsigned long flags; |
2833 | 2833 | ||
2834 | if (!left--) { | 2834 | if (!left--) { |
2835 | 2835 | ||
2836 | if (fore200e_getstats(fore200e) < 0) | 2836 | if (fore200e_getstats(fore200e) < 0) |
2837 | return -EIO; | 2837 | return -EIO; |
2838 | 2838 | ||
2839 | len = sprintf(page,"\n" | 2839 | len = sprintf(page,"\n" |
2840 | " device:\n" | 2840 | " device:\n" |
2841 | " internal name:\t\t%s\n", fore200e->name); | 2841 | " internal name:\t\t%s\n", fore200e->name); |
2842 | 2842 | ||
2843 | /* print bus-specific information */ | 2843 | /* print bus-specific information */ |
2844 | if (fore200e->bus->proc_read) | 2844 | if (fore200e->bus->proc_read) |
2845 | len += fore200e->bus->proc_read(fore200e, page + len); | 2845 | len += fore200e->bus->proc_read(fore200e, page + len); |
2846 | 2846 | ||
2847 | len += sprintf(page + len, | 2847 | len += sprintf(page + len, |
2848 | " interrupt line:\t\t%s\n" | 2848 | " interrupt line:\t\t%s\n" |
2849 | " physical base address:\t0x%p\n" | 2849 | " physical base address:\t0x%p\n" |
2850 | " virtual base address:\t0x%p\n" | 2850 | " virtual base address:\t0x%p\n" |
2851 | " factory address (ESI):\t%pM\n" | 2851 | " factory address (ESI):\t%pM\n" |
2852 | " board serial number:\t\t%d\n\n", | 2852 | " board serial number:\t\t%d\n\n", |
2853 | fore200e_irq_itoa(fore200e->irq), | 2853 | fore200e_irq_itoa(fore200e->irq), |
2854 | (void*)fore200e->phys_base, | 2854 | (void*)fore200e->phys_base, |
2855 | fore200e->virt_base, | 2855 | fore200e->virt_base, |
2856 | fore200e->esi, | 2856 | fore200e->esi, |
2857 | fore200e->esi[4] * 256 + fore200e->esi[5]); | 2857 | fore200e->esi[4] * 256 + fore200e->esi[5]); |
2858 | 2858 | ||
2859 | return len; | 2859 | return len; |
2860 | } | 2860 | } |
2861 | 2861 | ||
2862 | if (!left--) | 2862 | if (!left--) |
2863 | return sprintf(page, | 2863 | return sprintf(page, |
2864 | " free small bufs, scheme 1:\t%d\n" | 2864 | " free small bufs, scheme 1:\t%d\n" |
2865 | " free large bufs, scheme 1:\t%d\n" | 2865 | " free large bufs, scheme 1:\t%d\n" |
2866 | " free small bufs, scheme 2:\t%d\n" | 2866 | " free small bufs, scheme 2:\t%d\n" |
2867 | " free large bufs, scheme 2:\t%d\n", | 2867 | " free large bufs, scheme 2:\t%d\n", |
2868 | fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_SMALL ].freebuf_count, | 2868 | fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_SMALL ].freebuf_count, |
2869 | fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_LARGE ].freebuf_count, | 2869 | fore200e->host_bsq[ BUFFER_SCHEME_ONE ][ BUFFER_MAGN_LARGE ].freebuf_count, |
2870 | fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_SMALL ].freebuf_count, | 2870 | fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_SMALL ].freebuf_count, |
2871 | fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_LARGE ].freebuf_count); | 2871 | fore200e->host_bsq[ BUFFER_SCHEME_TWO ][ BUFFER_MAGN_LARGE ].freebuf_count); |
2872 | 2872 | ||
2873 | if (!left--) { | 2873 | if (!left--) { |
2874 | u32 hb = fore200e->bus->read(&fore200e->cp_queues->heartbeat); | 2874 | u32 hb = fore200e->bus->read(&fore200e->cp_queues->heartbeat); |
2875 | 2875 | ||
2876 | len = sprintf(page,"\n\n" | 2876 | len = sprintf(page,"\n\n" |
2877 | " cell processor:\n" | 2877 | " cell processor:\n" |
2878 | " heartbeat state:\t\t"); | 2878 | " heartbeat state:\t\t"); |
2879 | 2879 | ||
2880 | if (hb >> 16 != 0xDEAD) | 2880 | if (hb >> 16 != 0xDEAD) |
2881 | len += sprintf(page + len, "0x%08x\n", hb); | 2881 | len += sprintf(page + len, "0x%08x\n", hb); |
2882 | else | 2882 | else |
2883 | len += sprintf(page + len, "*** FATAL ERROR %04x ***\n", hb & 0xFFFF); | 2883 | len += sprintf(page + len, "*** FATAL ERROR %04x ***\n", hb & 0xFFFF); |
2884 | 2884 | ||
2885 | return len; | 2885 | return len; |
2886 | } | 2886 | } |
2887 | 2887 | ||
2888 | if (!left--) { | 2888 | if (!left--) { |
2889 | static const char* media_name[] = { | 2889 | static const char* media_name[] = { |
2890 | "unshielded twisted pair", | 2890 | "unshielded twisted pair", |
2891 | "multimode optical fiber ST", | 2891 | "multimode optical fiber ST", |
2892 | "multimode optical fiber SC", | 2892 | "multimode optical fiber SC", |
2893 | "single-mode optical fiber ST", | 2893 | "single-mode optical fiber ST", |
2894 | "single-mode optical fiber SC", | 2894 | "single-mode optical fiber SC", |
2895 | "unknown" | 2895 | "unknown" |
2896 | }; | 2896 | }; |
2897 | 2897 | ||
2898 | static const char* oc3_mode[] = { | 2898 | static const char* oc3_mode[] = { |
2899 | "normal operation", | 2899 | "normal operation", |
2900 | "diagnostic loopback", | 2900 | "diagnostic loopback", |
2901 | "line loopback", | 2901 | "line loopback", |
2902 | "unknown" | 2902 | "unknown" |
2903 | }; | 2903 | }; |
2904 | 2904 | ||
2905 | u32 fw_release = fore200e->bus->read(&fore200e->cp_queues->fw_release); | 2905 | u32 fw_release = fore200e->bus->read(&fore200e->cp_queues->fw_release); |
2906 | u32 mon960_release = fore200e->bus->read(&fore200e->cp_queues->mon960_release); | 2906 | u32 mon960_release = fore200e->bus->read(&fore200e->cp_queues->mon960_release); |
2907 | u32 oc3_revision = fore200e->bus->read(&fore200e->cp_queues->oc3_revision); | 2907 | u32 oc3_revision = fore200e->bus->read(&fore200e->cp_queues->oc3_revision); |
2908 | u32 media_index = FORE200E_MEDIA_INDEX(fore200e->bus->read(&fore200e->cp_queues->media_type)); | 2908 | u32 media_index = FORE200E_MEDIA_INDEX(fore200e->bus->read(&fore200e->cp_queues->media_type)); |
2909 | u32 oc3_index; | 2909 | u32 oc3_index; |
2910 | 2910 | ||
2911 | if (media_index > 4) | 2911 | if (media_index > 4) |
2912 | media_index = 5; | 2912 | media_index = 5; |
2913 | 2913 | ||
2914 | switch (fore200e->loop_mode) { | 2914 | switch (fore200e->loop_mode) { |
2915 | case ATM_LM_NONE: oc3_index = 0; | 2915 | case ATM_LM_NONE: oc3_index = 0; |
2916 | break; | 2916 | break; |
2917 | case ATM_LM_LOC_PHY: oc3_index = 1; | 2917 | case ATM_LM_LOC_PHY: oc3_index = 1; |
2918 | break; | 2918 | break; |
2919 | case ATM_LM_RMT_PHY: oc3_index = 2; | 2919 | case ATM_LM_RMT_PHY: oc3_index = 2; |
2920 | break; | 2920 | break; |
2921 | default: oc3_index = 3; | 2921 | default: oc3_index = 3; |
2922 | } | 2922 | } |
2923 | 2923 | ||
2924 | return sprintf(page, | 2924 | return sprintf(page, |
2925 | " firmware release:\t\t%d.%d.%d\n" | 2925 | " firmware release:\t\t%d.%d.%d\n" |
2926 | " monitor release:\t\t%d.%d\n" | 2926 | " monitor release:\t\t%d.%d\n" |
2927 | " media type:\t\t\t%s\n" | 2927 | " media type:\t\t\t%s\n" |
2928 | " OC-3 revision:\t\t0x%x\n" | 2928 | " OC-3 revision:\t\t0x%x\n" |
2929 | " OC-3 mode:\t\t\t%s", | 2929 | " OC-3 mode:\t\t\t%s", |
2930 | fw_release >> 16, fw_release << 16 >> 24, fw_release << 24 >> 24, | 2930 | fw_release >> 16, fw_release << 16 >> 24, fw_release << 24 >> 24, |
2931 | mon960_release >> 16, mon960_release << 16 >> 16, | 2931 | mon960_release >> 16, mon960_release << 16 >> 16, |
2932 | media_name[ media_index ], | 2932 | media_name[ media_index ], |
2933 | oc3_revision, | 2933 | oc3_revision, |
2934 | oc3_mode[ oc3_index ]); | 2934 | oc3_mode[ oc3_index ]); |
2935 | } | 2935 | } |
2936 | 2936 | ||
2937 | if (!left--) { | 2937 | if (!left--) { |
2938 | struct cp_monitor __iomem * cp_monitor = fore200e->cp_monitor; | 2938 | struct cp_monitor __iomem * cp_monitor = fore200e->cp_monitor; |
2939 | 2939 | ||
2940 | return sprintf(page, | 2940 | return sprintf(page, |
2941 | "\n\n" | 2941 | "\n\n" |
2942 | " monitor:\n" | 2942 | " monitor:\n" |
2943 | " version number:\t\t%d\n" | 2943 | " version number:\t\t%d\n" |
2944 | " boot status word:\t\t0x%08x\n", | 2944 | " boot status word:\t\t0x%08x\n", |
2945 | fore200e->bus->read(&cp_monitor->mon_version), | 2945 | fore200e->bus->read(&cp_monitor->mon_version), |
2946 | fore200e->bus->read(&cp_monitor->bstat)); | 2946 | fore200e->bus->read(&cp_monitor->bstat)); |
2947 | } | 2947 | } |
2948 | 2948 | ||
2949 | if (!left--) | 2949 | if (!left--) |
2950 | return sprintf(page, | 2950 | return sprintf(page, |
2951 | "\n" | 2951 | "\n" |
2952 | " device statistics:\n" | 2952 | " device statistics:\n" |
2953 | " 4b5b:\n" | 2953 | " 4b5b:\n" |
2954 | " crc_header_errors:\t\t%10u\n" | 2954 | " crc_header_errors:\t\t%10u\n" |
2955 | " framing_errors:\t\t%10u\n", | 2955 | " framing_errors:\t\t%10u\n", |
2956 | be32_to_cpu(fore200e->stats->phy.crc_header_errors), | 2956 | be32_to_cpu(fore200e->stats->phy.crc_header_errors), |
2957 | be32_to_cpu(fore200e->stats->phy.framing_errors)); | 2957 | be32_to_cpu(fore200e->stats->phy.framing_errors)); |
2958 | 2958 | ||
2959 | if (!left--) | 2959 | if (!left--) |
2960 | return sprintf(page, "\n" | 2960 | return sprintf(page, "\n" |
2961 | " OC-3:\n" | 2961 | " OC-3:\n" |
2962 | " section_bip8_errors:\t%10u\n" | 2962 | " section_bip8_errors:\t%10u\n" |
2963 | " path_bip8_errors:\t\t%10u\n" | 2963 | " path_bip8_errors:\t\t%10u\n" |
2964 | " line_bip24_errors:\t\t%10u\n" | 2964 | " line_bip24_errors:\t\t%10u\n" |
2965 | " line_febe_errors:\t\t%10u\n" | 2965 | " line_febe_errors:\t\t%10u\n" |
2966 | " path_febe_errors:\t\t%10u\n" | 2966 | " path_febe_errors:\t\t%10u\n" |
2967 | " corr_hcs_errors:\t\t%10u\n" | 2967 | " corr_hcs_errors:\t\t%10u\n" |
2968 | " ucorr_hcs_errors:\t\t%10u\n", | 2968 | " ucorr_hcs_errors:\t\t%10u\n", |
2969 | be32_to_cpu(fore200e->stats->oc3.section_bip8_errors), | 2969 | be32_to_cpu(fore200e->stats->oc3.section_bip8_errors), |
2970 | be32_to_cpu(fore200e->stats->oc3.path_bip8_errors), | 2970 | be32_to_cpu(fore200e->stats->oc3.path_bip8_errors), |
2971 | be32_to_cpu(fore200e->stats->oc3.line_bip24_errors), | 2971 | be32_to_cpu(fore200e->stats->oc3.line_bip24_errors), |
2972 | be32_to_cpu(fore200e->stats->oc3.line_febe_errors), | 2972 | be32_to_cpu(fore200e->stats->oc3.line_febe_errors), |
2973 | be32_to_cpu(fore200e->stats->oc3.path_febe_errors), | 2973 | be32_to_cpu(fore200e->stats->oc3.path_febe_errors), |
2974 | be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors), | 2974 | be32_to_cpu(fore200e->stats->oc3.corr_hcs_errors), |
2975 | be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors)); | 2975 | be32_to_cpu(fore200e->stats->oc3.ucorr_hcs_errors)); |
2976 | 2976 | ||
2977 | if (!left--) | 2977 | if (!left--) |
2978 | return sprintf(page,"\n" | 2978 | return sprintf(page,"\n" |
2979 | " ATM:\t\t\t\t cells\n" | 2979 | " ATM:\t\t\t\t cells\n" |
2980 | " TX:\t\t\t%10u\n" | 2980 | " TX:\t\t\t%10u\n" |
2981 | " RX:\t\t\t%10u\n" | 2981 | " RX:\t\t\t%10u\n" |
2982 | " vpi out of range:\t\t%10u\n" | 2982 | " vpi out of range:\t\t%10u\n" |
2983 | " vpi no conn:\t\t%10u\n" | 2983 | " vpi no conn:\t\t%10u\n" |
2984 | " vci out of range:\t\t%10u\n" | 2984 | " vci out of range:\t\t%10u\n" |
2985 | " vci no conn:\t\t%10u\n", | 2985 | " vci no conn:\t\t%10u\n", |
2986 | be32_to_cpu(fore200e->stats->atm.cells_transmitted), | 2986 | be32_to_cpu(fore200e->stats->atm.cells_transmitted), |
2987 | be32_to_cpu(fore200e->stats->atm.cells_received), | 2987 | be32_to_cpu(fore200e->stats->atm.cells_received), |
2988 | be32_to_cpu(fore200e->stats->atm.vpi_bad_range), | 2988 | be32_to_cpu(fore200e->stats->atm.vpi_bad_range), |
2989 | be32_to_cpu(fore200e->stats->atm.vpi_no_conn), | 2989 | be32_to_cpu(fore200e->stats->atm.vpi_no_conn), |
2990 | be32_to_cpu(fore200e->stats->atm.vci_bad_range), | 2990 | be32_to_cpu(fore200e->stats->atm.vci_bad_range), |
2991 | be32_to_cpu(fore200e->stats->atm.vci_no_conn)); | 2991 | be32_to_cpu(fore200e->stats->atm.vci_no_conn)); |
2992 | 2992 | ||
2993 | if (!left--) | 2993 | if (!left--) |
2994 | return sprintf(page,"\n" | 2994 | return sprintf(page,"\n" |
2995 | " AAL0:\t\t\t cells\n" | 2995 | " AAL0:\t\t\t cells\n" |
2996 | " TX:\t\t\t%10u\n" | 2996 | " TX:\t\t\t%10u\n" |
2997 | " RX:\t\t\t%10u\n" | 2997 | " RX:\t\t\t%10u\n" |
2998 | " dropped:\t\t\t%10u\n", | 2998 | " dropped:\t\t\t%10u\n", |
2999 | be32_to_cpu(fore200e->stats->aal0.cells_transmitted), | 2999 | be32_to_cpu(fore200e->stats->aal0.cells_transmitted), |
3000 | be32_to_cpu(fore200e->stats->aal0.cells_received), | 3000 | be32_to_cpu(fore200e->stats->aal0.cells_received), |
3001 | be32_to_cpu(fore200e->stats->aal0.cells_dropped)); | 3001 | be32_to_cpu(fore200e->stats->aal0.cells_dropped)); |
3002 | 3002 | ||
3003 | if (!left--) | 3003 | if (!left--) |
3004 | return sprintf(page,"\n" | 3004 | return sprintf(page,"\n" |
3005 | " AAL3/4:\n" | 3005 | " AAL3/4:\n" |
3006 | " SAR sublayer:\t\t cells\n" | 3006 | " SAR sublayer:\t\t cells\n" |
3007 | " TX:\t\t\t%10u\n" | 3007 | " TX:\t\t\t%10u\n" |
3008 | " RX:\t\t\t%10u\n" | 3008 | " RX:\t\t\t%10u\n" |
3009 | " dropped:\t\t\t%10u\n" | 3009 | " dropped:\t\t\t%10u\n" |
3010 | " CRC errors:\t\t%10u\n" | 3010 | " CRC errors:\t\t%10u\n" |
3011 | " protocol errors:\t\t%10u\n\n" | 3011 | " protocol errors:\t\t%10u\n\n" |
3012 | " CS sublayer:\t\t PDUs\n" | 3012 | " CS sublayer:\t\t PDUs\n" |
3013 | " TX:\t\t\t%10u\n" | 3013 | " TX:\t\t\t%10u\n" |
3014 | " RX:\t\t\t%10u\n" | 3014 | " RX:\t\t\t%10u\n" |
3015 | " dropped:\t\t\t%10u\n" | 3015 | " dropped:\t\t\t%10u\n" |
3016 | " protocol errors:\t\t%10u\n", | 3016 | " protocol errors:\t\t%10u\n", |
3017 | be32_to_cpu(fore200e->stats->aal34.cells_transmitted), | 3017 | be32_to_cpu(fore200e->stats->aal34.cells_transmitted), |
3018 | be32_to_cpu(fore200e->stats->aal34.cells_received), | 3018 | be32_to_cpu(fore200e->stats->aal34.cells_received), |
3019 | be32_to_cpu(fore200e->stats->aal34.cells_dropped), | 3019 | be32_to_cpu(fore200e->stats->aal34.cells_dropped), |
3020 | be32_to_cpu(fore200e->stats->aal34.cells_crc_errors), | 3020 | be32_to_cpu(fore200e->stats->aal34.cells_crc_errors), |
3021 | be32_to_cpu(fore200e->stats->aal34.cells_protocol_errors), | 3021 | be32_to_cpu(fore200e->stats->aal34.cells_protocol_errors), |
3022 | be32_to_cpu(fore200e->stats->aal34.cspdus_transmitted), | 3022 | be32_to_cpu(fore200e->stats->aal34.cspdus_transmitted), |
3023 | be32_to_cpu(fore200e->stats->aal34.cspdus_received), | 3023 | be32_to_cpu(fore200e->stats->aal34.cspdus_received), |
3024 | be32_to_cpu(fore200e->stats->aal34.cspdus_dropped), | 3024 | be32_to_cpu(fore200e->stats->aal34.cspdus_dropped), |
3025 | be32_to_cpu(fore200e->stats->aal34.cspdus_protocol_errors)); | 3025 | be32_to_cpu(fore200e->stats->aal34.cspdus_protocol_errors)); |
3026 | 3026 | ||
3027 | if (!left--) | 3027 | if (!left--) |
3028 | return sprintf(page,"\n" | 3028 | return sprintf(page,"\n" |
3029 | " AAL5:\n" | 3029 | " AAL5:\n" |
3030 | " SAR sublayer:\t\t cells\n" | 3030 | " SAR sublayer:\t\t cells\n" |
3031 | " TX:\t\t\t%10u\n" | 3031 | " TX:\t\t\t%10u\n" |
3032 | " RX:\t\t\t%10u\n" | 3032 | " RX:\t\t\t%10u\n" |
3033 | " dropped:\t\t\t%10u\n" | 3033 | " dropped:\t\t\t%10u\n" |
3034 | " congestions:\t\t%10u\n\n" | 3034 | " congestions:\t\t%10u\n\n" |
3035 | " CS sublayer:\t\t PDUs\n" | 3035 | " CS sublayer:\t\t PDUs\n" |
3036 | " TX:\t\t\t%10u\n" | 3036 | " TX:\t\t\t%10u\n" |
3037 | " RX:\t\t\t%10u\n" | 3037 | " RX:\t\t\t%10u\n" |
3038 | " dropped:\t\t\t%10u\n" | 3038 | " dropped:\t\t\t%10u\n" |
3039 | " CRC errors:\t\t%10u\n" | 3039 | " CRC errors:\t\t%10u\n" |
3040 | " protocol errors:\t\t%10u\n", | 3040 | " protocol errors:\t\t%10u\n", |
3041 | be32_to_cpu(fore200e->stats->aal5.cells_transmitted), | 3041 | be32_to_cpu(fore200e->stats->aal5.cells_transmitted), |
3042 | be32_to_cpu(fore200e->stats->aal5.cells_received), | 3042 | be32_to_cpu(fore200e->stats->aal5.cells_received), |
3043 | be32_to_cpu(fore200e->stats->aal5.cells_dropped), | 3043 | be32_to_cpu(fore200e->stats->aal5.cells_dropped), |
3044 | be32_to_cpu(fore200e->stats->aal5.congestion_experienced), | 3044 | be32_to_cpu(fore200e->stats->aal5.congestion_experienced), |
3045 | be32_to_cpu(fore200e->stats->aal5.cspdus_transmitted), | 3045 | be32_to_cpu(fore200e->stats->aal5.cspdus_transmitted), |
3046 | be32_to_cpu(fore200e->stats->aal5.cspdus_received), | 3046 | be32_to_cpu(fore200e->stats->aal5.cspdus_received), |
3047 | be32_to_cpu(fore200e->stats->aal5.cspdus_dropped), | 3047 | be32_to_cpu(fore200e->stats->aal5.cspdus_dropped), |
3048 | be32_to_cpu(fore200e->stats->aal5.cspdus_crc_errors), | 3048 | be32_to_cpu(fore200e->stats->aal5.cspdus_crc_errors), |
3049 | be32_to_cpu(fore200e->stats->aal5.cspdus_protocol_errors)); | 3049 | be32_to_cpu(fore200e->stats->aal5.cspdus_protocol_errors)); |
3050 | 3050 | ||
3051 | if (!left--) | 3051 | if (!left--) |
3052 | return sprintf(page,"\n" | 3052 | return sprintf(page,"\n" |
3053 | " AUX:\t\t allocation failures\n" | 3053 | " AUX:\t\t allocation failures\n" |
3054 | " small b1:\t\t\t%10u\n" | 3054 | " small b1:\t\t\t%10u\n" |
3055 | " large b1:\t\t\t%10u\n" | 3055 | " large b1:\t\t\t%10u\n" |
3056 | " small b2:\t\t\t%10u\n" | 3056 | " small b2:\t\t\t%10u\n" |
3057 | " large b2:\t\t\t%10u\n" | 3057 | " large b2:\t\t\t%10u\n" |
3058 | " RX PDUs:\t\t\t%10u\n" | 3058 | " RX PDUs:\t\t\t%10u\n" |
3059 | " TX PDUs:\t\t\t%10lu\n", | 3059 | " TX PDUs:\t\t\t%10lu\n", |
3060 | be32_to_cpu(fore200e->stats->aux.small_b1_failed), | 3060 | be32_to_cpu(fore200e->stats->aux.small_b1_failed), |
3061 | be32_to_cpu(fore200e->stats->aux.large_b1_failed), | 3061 | be32_to_cpu(fore200e->stats->aux.large_b1_failed), |
3062 | be32_to_cpu(fore200e->stats->aux.small_b2_failed), | 3062 | be32_to_cpu(fore200e->stats->aux.small_b2_failed), |
3063 | be32_to_cpu(fore200e->stats->aux.large_b2_failed), | 3063 | be32_to_cpu(fore200e->stats->aux.large_b2_failed), |
3064 | be32_to_cpu(fore200e->stats->aux.rpd_alloc_failed), | 3064 | be32_to_cpu(fore200e->stats->aux.rpd_alloc_failed), |
3065 | fore200e->tx_sat); | 3065 | fore200e->tx_sat); |
3066 | 3066 | ||
3067 | if (!left--) | 3067 | if (!left--) |
3068 | return sprintf(page,"\n" | 3068 | return sprintf(page,"\n" |
3069 | " receive carrier:\t\t\t%s\n", | 3069 | " receive carrier:\t\t\t%s\n", |
3070 | fore200e->stats->aux.receive_carrier ? "ON" : "OFF!"); | 3070 | fore200e->stats->aux.receive_carrier ? "ON" : "OFF!"); |
3071 | 3071 | ||
3072 | if (!left--) { | 3072 | if (!left--) { |
3073 | return sprintf(page,"\n" | 3073 | return sprintf(page,"\n" |
3074 | " VCCs:\n address VPI VCI AAL " | 3074 | " VCCs:\n address VPI VCI AAL " |
3075 | "TX PDUs TX min/max size RX PDUs RX min/max size\n"); | 3075 | "TX PDUs TX min/max size RX PDUs RX min/max size\n"); |
3076 | } | 3076 | } |
3077 | 3077 | ||
3078 | for (i = 0; i < NBR_CONNECT; i++) { | 3078 | for (i = 0; i < NBR_CONNECT; i++) { |
3079 | 3079 | ||
3080 | vcc = fore200e->vc_map[i].vcc; | 3080 | vcc = fore200e->vc_map[i].vcc; |
3081 | 3081 | ||
3082 | if (vcc == NULL) | 3082 | if (vcc == NULL) |
3083 | continue; | 3083 | continue; |
3084 | 3084 | ||
3085 | spin_lock_irqsave(&fore200e->q_lock, flags); | 3085 | spin_lock_irqsave(&fore200e->q_lock, flags); |
3086 | 3086 | ||
3087 | if (vcc && test_bit(ATM_VF_READY, &vcc->flags) && !left--) { | 3087 | if (vcc && test_bit(ATM_VF_READY, &vcc->flags) && !left--) { |
3088 | 3088 | ||
3089 | fore200e_vcc = FORE200E_VCC(vcc); | 3089 | fore200e_vcc = FORE200E_VCC(vcc); |
3090 | ASSERT(fore200e_vcc); | 3090 | ASSERT(fore200e_vcc); |
3091 | 3091 | ||
3092 | len = sprintf(page, | 3092 | len = sprintf(page, |
3093 | " %08x %03d %05d %1d %09lu %05d/%05d %09lu %05d/%05d\n", | 3093 | " %08x %03d %05d %1d %09lu %05d/%05d %09lu %05d/%05d\n", |
3094 | (u32)(unsigned long)vcc, | 3094 | (u32)(unsigned long)vcc, |
3095 | vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), | 3095 | vcc->vpi, vcc->vci, fore200e_atm2fore_aal(vcc->qos.aal), |
3096 | fore200e_vcc->tx_pdu, | 3096 | fore200e_vcc->tx_pdu, |
3097 | fore200e_vcc->tx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->tx_min_pdu, | 3097 | fore200e_vcc->tx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->tx_min_pdu, |
3098 | fore200e_vcc->tx_max_pdu, | 3098 | fore200e_vcc->tx_max_pdu, |
3099 | fore200e_vcc->rx_pdu, | 3099 | fore200e_vcc->rx_pdu, |
3100 | fore200e_vcc->rx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->rx_min_pdu, | 3100 | fore200e_vcc->rx_min_pdu > 0xFFFF ? 0 : fore200e_vcc->rx_min_pdu, |
3101 | fore200e_vcc->rx_max_pdu); | 3101 | fore200e_vcc->rx_max_pdu); |
3102 | 3102 | ||
3103 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 3103 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
3104 | return len; | 3104 | return len; |
3105 | } | 3105 | } |
3106 | 3106 | ||
3107 | spin_unlock_irqrestore(&fore200e->q_lock, flags); | 3107 | spin_unlock_irqrestore(&fore200e->q_lock, flags); |
3108 | } | 3108 | } |
3109 | 3109 | ||
3110 | return 0; | 3110 | return 0; |
3111 | } | 3111 | } |
3112 | 3112 | ||
3113 | module_init(fore200e_module_init); | 3113 | module_init(fore200e_module_init); |
3114 | module_exit(fore200e_module_cleanup); | 3114 | module_exit(fore200e_module_cleanup); |
3115 | 3115 | ||
3116 | 3116 | ||
3117 | static const struct atmdev_ops fore200e_ops = | 3117 | static const struct atmdev_ops fore200e_ops = |
3118 | { | 3118 | { |
3119 | .open = fore200e_open, | 3119 | .open = fore200e_open, |
3120 | .close = fore200e_close, | 3120 | .close = fore200e_close, |
3121 | .ioctl = fore200e_ioctl, | 3121 | .ioctl = fore200e_ioctl, |
3122 | .getsockopt = fore200e_getsockopt, | 3122 | .getsockopt = fore200e_getsockopt, |
3123 | .setsockopt = fore200e_setsockopt, | 3123 | .setsockopt = fore200e_setsockopt, |
3124 | .send = fore200e_send, | 3124 | .send = fore200e_send, |
3125 | .change_qos = fore200e_change_qos, | 3125 | .change_qos = fore200e_change_qos, |
3126 | .proc_read = fore200e_proc_read, | 3126 | .proc_read = fore200e_proc_read, |
3127 | .owner = THIS_MODULE | 3127 | .owner = THIS_MODULE |
3128 | }; | 3128 | }; |
3129 | 3129 | ||
3130 | 3130 | ||
3131 | static const struct fore200e_bus fore200e_bus[] = { | 3131 | static const struct fore200e_bus fore200e_bus[] = { |
3132 | #ifdef CONFIG_PCI | 3132 | #ifdef CONFIG_PCI |
3133 | { "PCA-200E", "pca200e", 32, 4, 32, | 3133 | { "PCA-200E", "pca200e", 32, 4, 32, |
3134 | fore200e_pca_read, | 3134 | fore200e_pca_read, |
3135 | fore200e_pca_write, | 3135 | fore200e_pca_write, |
3136 | fore200e_pca_dma_map, | 3136 | fore200e_pca_dma_map, |
3137 | fore200e_pca_dma_unmap, | 3137 | fore200e_pca_dma_unmap, |
3138 | fore200e_pca_dma_sync_for_cpu, | 3138 | fore200e_pca_dma_sync_for_cpu, |
3139 | fore200e_pca_dma_sync_for_device, | 3139 | fore200e_pca_dma_sync_for_device, |
3140 | fore200e_pca_dma_chunk_alloc, | 3140 | fore200e_pca_dma_chunk_alloc, |
3141 | fore200e_pca_dma_chunk_free, | 3141 | fore200e_pca_dma_chunk_free, |
3142 | fore200e_pca_configure, | 3142 | fore200e_pca_configure, |
3143 | fore200e_pca_map, | 3143 | fore200e_pca_map, |
3144 | fore200e_pca_reset, | 3144 | fore200e_pca_reset, |
3145 | fore200e_pca_prom_read, | 3145 | fore200e_pca_prom_read, |
3146 | fore200e_pca_unmap, | 3146 | fore200e_pca_unmap, |
3147 | NULL, | 3147 | NULL, |
3148 | fore200e_pca_irq_check, | 3148 | fore200e_pca_irq_check, |
3149 | fore200e_pca_irq_ack, | 3149 | fore200e_pca_irq_ack, |
3150 | fore200e_pca_proc_read, | 3150 | fore200e_pca_proc_read, |
3151 | }, | 3151 | }, |
3152 | #endif | 3152 | #endif |
3153 | #ifdef CONFIG_SBUS | 3153 | #ifdef CONFIG_SBUS |
3154 | { "SBA-200E", "sba200e", 32, 64, 32, | 3154 | { "SBA-200E", "sba200e", 32, 64, 32, |
3155 | fore200e_sba_read, | 3155 | fore200e_sba_read, |
3156 | fore200e_sba_write, | 3156 | fore200e_sba_write, |
3157 | fore200e_sba_dma_map, | 3157 | fore200e_sba_dma_map, |
3158 | fore200e_sba_dma_unmap, | 3158 | fore200e_sba_dma_unmap, |
3159 | fore200e_sba_dma_sync_for_cpu, | 3159 | fore200e_sba_dma_sync_for_cpu, |
3160 | fore200e_sba_dma_sync_for_device, | 3160 | fore200e_sba_dma_sync_for_device, |
3161 | fore200e_sba_dma_chunk_alloc, | 3161 | fore200e_sba_dma_chunk_alloc, |
3162 | fore200e_sba_dma_chunk_free, | 3162 | fore200e_sba_dma_chunk_free, |
3163 | fore200e_sba_configure, | 3163 | fore200e_sba_configure, |
3164 | fore200e_sba_map, | 3164 | fore200e_sba_map, |
3165 | fore200e_sba_reset, | 3165 | fore200e_sba_reset, |
3166 | fore200e_sba_prom_read, | 3166 | fore200e_sba_prom_read, |
3167 | fore200e_sba_unmap, | 3167 | fore200e_sba_unmap, |
3168 | fore200e_sba_irq_enable, | 3168 | fore200e_sba_irq_enable, |
3169 | fore200e_sba_irq_check, | 3169 | fore200e_sba_irq_check, |
3170 | fore200e_sba_irq_ack, | 3170 | fore200e_sba_irq_ack, |
3171 | fore200e_sba_proc_read, | 3171 | fore200e_sba_proc_read, |
3172 | }, | 3172 | }, |
3173 | #endif | 3173 | #endif |
3174 | {} | 3174 | {} |
3175 | }; | 3175 | }; |
3176 | 3176 | ||
3177 | MODULE_LICENSE("GPL"); | 3177 | MODULE_LICENSE("GPL"); |
3178 | #ifdef CONFIG_PCI | 3178 | #ifdef CONFIG_PCI |
3179 | #ifdef __LITTLE_ENDIAN__ | 3179 | #ifdef __LITTLE_ENDIAN__ |
3180 | MODULE_FIRMWARE("pca200e.bin"); | 3180 | MODULE_FIRMWARE("pca200e.bin"); |
3181 | #else | 3181 | #else |
3182 | MODULE_FIRMWARE("pca200e_ecd.bin2"); | 3182 | MODULE_FIRMWARE("pca200e_ecd.bin2"); |
3183 | #endif | 3183 | #endif |
3184 | #endif /* CONFIG_PCI */ | 3184 | #endif /* CONFIG_PCI */ |
3185 | #ifdef CONFIG_SBUS | 3185 | #ifdef CONFIG_SBUS |
3186 | MODULE_FIRMWARE("sba200e_ecd.bin2"); | 3186 | MODULE_FIRMWARE("sba200e_ecd.bin2"); |
3187 | #endif | 3187 | #endif |
3188 | 3188 |