Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1 | /* bnx2x_sp.c: Broadcom Everest network driver. |
| 2 | * |
Ariel Elior | 85b26ea | 2012-01-26 06:01:54 +0000 | [diff] [blame] | 3 | * Copyright (c) 2011-2012 Broadcom Corporation |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4 | * |
| 5 | * Unless you and Broadcom execute a separate written software license |
| 6 | * agreement governing use of this software, this software is licensed to you |
| 7 | * under the terms of the GNU General Public License version 2, available |
| 8 | * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
| 9 | * |
| 10 | * Notwithstanding the above, under no circumstances may you combine this |
| 11 | * software in any way with any other Broadcom software provided under a |
| 12 | * license other than the GPL, without Broadcom's express prior written |
| 13 | * consent. |
| 14 | * |
| 15 | * Maintained by: Eilon Greenstein <eilong@broadcom.com> |
| 16 | * Written by: Vladislav Zolotarov |
| 17 | * |
| 18 | */ |
Joe Perches | f1deab5 | 2011-08-14 12:16:21 +0000 | [diff] [blame] | 19 | |
| 20 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
| 21 | |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 22 | #include <linux/module.h> |
| 23 | #include <linux/crc32.h> |
| 24 | #include <linux/netdevice.h> |
| 25 | #include <linux/etherdevice.h> |
| 26 | #include <linux/crc32c.h> |
| 27 | #include "bnx2x.h" |
| 28 | #include "bnx2x_cmn.h" |
| 29 | #include "bnx2x_sp.h" |
| 30 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 31 | #define BNX2X_MAX_EMUL_MULTI 16 |
| 32 | |
Ariel Elior | ed5162a | 2011-12-05 21:52:24 +0000 | [diff] [blame] | 33 | #define MAC_LEADING_ZERO_CNT (ALIGN(ETH_ALEN, sizeof(u32)) - ETH_ALEN) |
| 34 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 35 | /**** Exe Queue interfaces ****/ |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 36 | |
| 37 | /** |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 38 | * bnx2x_exe_queue_init - init the Exe Queue object |
| 39 | * |
| 40 | * @o: poiter to the object |
| 41 | * @exe_len: length |
| 42 | * @owner: poiter to the owner |
| 43 | * @validate: validate function pointer |
| 44 | * @optimize: optimize function pointer |
| 45 | * @exec: execute function pointer |
| 46 | * @get: get function pointer |
| 47 | */ |
| 48 | static inline void bnx2x_exe_queue_init(struct bnx2x *bp, |
| 49 | struct bnx2x_exe_queue_obj *o, |
| 50 | int exe_len, |
| 51 | union bnx2x_qable_obj *owner, |
| 52 | exe_q_validate validate, |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 53 | exe_q_remove remove, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 54 | exe_q_optimize optimize, |
| 55 | exe_q_execute exec, |
| 56 | exe_q_get get) |
| 57 | { |
| 58 | memset(o, 0, sizeof(*o)); |
| 59 | |
| 60 | INIT_LIST_HEAD(&o->exe_queue); |
| 61 | INIT_LIST_HEAD(&o->pending_comp); |
| 62 | |
| 63 | spin_lock_init(&o->lock); |
| 64 | |
| 65 | o->exe_chunk_len = exe_len; |
| 66 | o->owner = owner; |
| 67 | |
| 68 | /* Owner specific callbacks */ |
| 69 | o->validate = validate; |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 70 | o->remove = remove; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 71 | o->optimize = optimize; |
| 72 | o->execute = exec; |
| 73 | o->get = get; |
| 74 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 75 | DP(BNX2X_MSG_SP, "Setup the execution queue with the chunk length of %d\n", |
| 76 | exe_len); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 77 | } |
| 78 | |
| 79 | static inline void bnx2x_exe_queue_free_elem(struct bnx2x *bp, |
| 80 | struct bnx2x_exeq_elem *elem) |
| 81 | { |
| 82 | DP(BNX2X_MSG_SP, "Deleting an exe_queue element\n"); |
| 83 | kfree(elem); |
| 84 | } |
| 85 | |
| 86 | static inline int bnx2x_exe_queue_length(struct bnx2x_exe_queue_obj *o) |
| 87 | { |
| 88 | struct bnx2x_exeq_elem *elem; |
| 89 | int cnt = 0; |
| 90 | |
| 91 | spin_lock_bh(&o->lock); |
| 92 | |
| 93 | list_for_each_entry(elem, &o->exe_queue, link) |
| 94 | cnt++; |
| 95 | |
| 96 | spin_unlock_bh(&o->lock); |
| 97 | |
| 98 | return cnt; |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * bnx2x_exe_queue_add - add a new element to the execution queue |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 103 | * |
| 104 | * @bp: driver handle |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 105 | * @o: queue |
| 106 | * @cmd: new command to add |
| 107 | * @restore: true - do not optimize the command |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 108 | * |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 109 | * If the element is optimized or is illegal, frees it. |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 110 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 111 | static inline int bnx2x_exe_queue_add(struct bnx2x *bp, |
| 112 | struct bnx2x_exe_queue_obj *o, |
| 113 | struct bnx2x_exeq_elem *elem, |
| 114 | bool restore) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 115 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 116 | int rc; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 117 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 118 | spin_lock_bh(&o->lock); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 119 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 120 | if (!restore) { |
| 121 | /* Try to cancel this element queue */ |
| 122 | rc = o->optimize(bp, o->owner, elem); |
| 123 | if (rc) |
| 124 | goto free_and_exit; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 125 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 126 | /* Check if this request is ok */ |
| 127 | rc = o->validate(bp, o->owner, elem); |
| 128 | if (rc) { |
| 129 | BNX2X_ERR("Preamble failed: %d\n", rc); |
| 130 | goto free_and_exit; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 131 | } |
| 132 | } |
| 133 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 134 | /* If so, add it to the execution queue */ |
| 135 | list_add_tail(&elem->link, &o->exe_queue); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 136 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 137 | spin_unlock_bh(&o->lock); |
| 138 | |
| 139 | return 0; |
| 140 | |
| 141 | free_and_exit: |
| 142 | bnx2x_exe_queue_free_elem(bp, elem); |
| 143 | |
| 144 | spin_unlock_bh(&o->lock); |
| 145 | |
| 146 | return rc; |
| 147 | |
| 148 | } |
| 149 | |
| 150 | static inline void __bnx2x_exe_queue_reset_pending( |
| 151 | struct bnx2x *bp, |
| 152 | struct bnx2x_exe_queue_obj *o) |
| 153 | { |
| 154 | struct bnx2x_exeq_elem *elem; |
| 155 | |
| 156 | while (!list_empty(&o->pending_comp)) { |
| 157 | elem = list_first_entry(&o->pending_comp, |
| 158 | struct bnx2x_exeq_elem, link); |
| 159 | |
| 160 | list_del(&elem->link); |
| 161 | bnx2x_exe_queue_free_elem(bp, elem); |
| 162 | } |
| 163 | } |
| 164 | |
| 165 | static inline void bnx2x_exe_queue_reset_pending(struct bnx2x *bp, |
| 166 | struct bnx2x_exe_queue_obj *o) |
| 167 | { |
| 168 | |
| 169 | spin_lock_bh(&o->lock); |
| 170 | |
| 171 | __bnx2x_exe_queue_reset_pending(bp, o); |
| 172 | |
| 173 | spin_unlock_bh(&o->lock); |
| 174 | |
| 175 | } |
| 176 | |
| 177 | /** |
| 178 | * bnx2x_exe_queue_step - execute one execution chunk atomically |
| 179 | * |
| 180 | * @bp: driver handle |
| 181 | * @o: queue |
| 182 | * @ramrod_flags: flags |
| 183 | * |
| 184 | * (Atomicy is ensured using the exe_queue->lock). |
| 185 | */ |
| 186 | static inline int bnx2x_exe_queue_step(struct bnx2x *bp, |
| 187 | struct bnx2x_exe_queue_obj *o, |
| 188 | unsigned long *ramrod_flags) |
| 189 | { |
| 190 | struct bnx2x_exeq_elem *elem, spacer; |
| 191 | int cur_len = 0, rc; |
| 192 | |
| 193 | memset(&spacer, 0, sizeof(spacer)); |
| 194 | |
| 195 | spin_lock_bh(&o->lock); |
| 196 | |
| 197 | /* |
| 198 | * Next step should not be performed until the current is finished, |
| 199 | * unless a DRV_CLEAR_ONLY bit is set. In this case we just want to |
| 200 | * properly clear object internals without sending any command to the FW |
| 201 | * which also implies there won't be any completion to clear the |
| 202 | * 'pending' list. |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 203 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 204 | if (!list_empty(&o->pending_comp)) { |
| 205 | if (test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 206 | DP(BNX2X_MSG_SP, "RAMROD_DRV_CLR_ONLY requested: resetting a pending_comp list\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 207 | __bnx2x_exe_queue_reset_pending(bp, o); |
| 208 | } else { |
| 209 | spin_unlock_bh(&o->lock); |
| 210 | return 1; |
| 211 | } |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 212 | } |
| 213 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 214 | /* |
| 215 | * Run through the pending commands list and create a next |
| 216 | * execution chunk. |
| 217 | */ |
| 218 | while (!list_empty(&o->exe_queue)) { |
| 219 | elem = list_first_entry(&o->exe_queue, struct bnx2x_exeq_elem, |
| 220 | link); |
| 221 | WARN_ON(!elem->cmd_len); |
| 222 | |
| 223 | if (cur_len + elem->cmd_len <= o->exe_chunk_len) { |
| 224 | cur_len += elem->cmd_len; |
| 225 | /* |
| 226 | * Prevent from both lists being empty when moving an |
| 227 | * element. This will allow the call of |
| 228 | * bnx2x_exe_queue_empty() without locking. |
| 229 | */ |
| 230 | list_add_tail(&spacer.link, &o->pending_comp); |
| 231 | mb(); |
| 232 | list_del(&elem->link); |
| 233 | list_add_tail(&elem->link, &o->pending_comp); |
| 234 | list_del(&spacer.link); |
| 235 | } else |
| 236 | break; |
| 237 | } |
| 238 | |
| 239 | /* Sanity check */ |
| 240 | if (!cur_len) { |
| 241 | spin_unlock_bh(&o->lock); |
| 242 | return 0; |
| 243 | } |
| 244 | |
| 245 | rc = o->execute(bp, o->owner, &o->pending_comp, ramrod_flags); |
| 246 | if (rc < 0) |
| 247 | /* |
| 248 | * In case of an error return the commands back to the queue |
| 249 | * and reset the pending_comp. |
| 250 | */ |
| 251 | list_splice_init(&o->pending_comp, &o->exe_queue); |
| 252 | else if (!rc) |
| 253 | /* |
| 254 | * If zero is returned, means there are no outstanding pending |
| 255 | * completions and we may dismiss the pending list. |
| 256 | */ |
| 257 | __bnx2x_exe_queue_reset_pending(bp, o); |
| 258 | |
| 259 | spin_unlock_bh(&o->lock); |
| 260 | return rc; |
| 261 | } |
| 262 | |
| 263 | static inline bool bnx2x_exe_queue_empty(struct bnx2x_exe_queue_obj *o) |
| 264 | { |
| 265 | bool empty = list_empty(&o->exe_queue); |
| 266 | |
| 267 | /* Don't reorder!!! */ |
| 268 | mb(); |
| 269 | |
| 270 | return empty && list_empty(&o->pending_comp); |
| 271 | } |
| 272 | |
| 273 | static inline struct bnx2x_exeq_elem *bnx2x_exe_queue_alloc_elem( |
| 274 | struct bnx2x *bp) |
| 275 | { |
| 276 | DP(BNX2X_MSG_SP, "Allocating a new exe_queue element\n"); |
| 277 | return kzalloc(sizeof(struct bnx2x_exeq_elem), GFP_ATOMIC); |
| 278 | } |
| 279 | |
| 280 | /************************ raw_obj functions ***********************************/ |
| 281 | static bool bnx2x_raw_check_pending(struct bnx2x_raw_obj *o) |
| 282 | { |
| 283 | return !!test_bit(o->state, o->pstate); |
| 284 | } |
| 285 | |
| 286 | static void bnx2x_raw_clear_pending(struct bnx2x_raw_obj *o) |
| 287 | { |
| 288 | smp_mb__before_clear_bit(); |
| 289 | clear_bit(o->state, o->pstate); |
| 290 | smp_mb__after_clear_bit(); |
| 291 | } |
| 292 | |
| 293 | static void bnx2x_raw_set_pending(struct bnx2x_raw_obj *o) |
| 294 | { |
| 295 | smp_mb__before_clear_bit(); |
| 296 | set_bit(o->state, o->pstate); |
| 297 | smp_mb__after_clear_bit(); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * bnx2x_state_wait - wait until the given bit(state) is cleared |
| 302 | * |
| 303 | * @bp: device handle |
| 304 | * @state: state which is to be cleared |
| 305 | * @state_p: state buffer |
| 306 | * |
| 307 | */ |
| 308 | static inline int bnx2x_state_wait(struct bnx2x *bp, int state, |
| 309 | unsigned long *pstate) |
| 310 | { |
| 311 | /* can take a while if any port is running */ |
| 312 | int cnt = 5000; |
| 313 | |
| 314 | |
| 315 | if (CHIP_REV_IS_EMUL(bp)) |
| 316 | cnt *= 20; |
| 317 | |
| 318 | DP(BNX2X_MSG_SP, "waiting for state to become %d\n", state); |
| 319 | |
| 320 | might_sleep(); |
| 321 | while (cnt--) { |
| 322 | if (!test_bit(state, pstate)) { |
| 323 | #ifdef BNX2X_STOP_ON_ERROR |
| 324 | DP(BNX2X_MSG_SP, "exit (cnt %d)\n", 5000 - cnt); |
| 325 | #endif |
| 326 | return 0; |
| 327 | } |
| 328 | |
| 329 | usleep_range(1000, 1000); |
| 330 | |
| 331 | if (bp->panic) |
| 332 | return -EIO; |
| 333 | } |
| 334 | |
| 335 | /* timeout! */ |
| 336 | BNX2X_ERR("timeout waiting for state %d\n", state); |
| 337 | #ifdef BNX2X_STOP_ON_ERROR |
| 338 | bnx2x_panic(); |
| 339 | #endif |
| 340 | |
| 341 | return -EBUSY; |
| 342 | } |
| 343 | |
| 344 | static int bnx2x_raw_wait(struct bnx2x *bp, struct bnx2x_raw_obj *raw) |
| 345 | { |
| 346 | return bnx2x_state_wait(bp, raw->state, raw->pstate); |
| 347 | } |
| 348 | |
| 349 | /***************** Classification verbs: Set/Del MAC/VLAN/VLAN-MAC ************/ |
| 350 | /* credit handling callbacks */ |
| 351 | static bool bnx2x_get_cam_offset_mac(struct bnx2x_vlan_mac_obj *o, int *offset) |
| 352 | { |
| 353 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
| 354 | |
| 355 | WARN_ON(!mp); |
| 356 | |
| 357 | return mp->get_entry(mp, offset); |
| 358 | } |
| 359 | |
| 360 | static bool bnx2x_get_credit_mac(struct bnx2x_vlan_mac_obj *o) |
| 361 | { |
| 362 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
| 363 | |
| 364 | WARN_ON(!mp); |
| 365 | |
| 366 | return mp->get(mp, 1); |
| 367 | } |
| 368 | |
| 369 | static bool bnx2x_get_cam_offset_vlan(struct bnx2x_vlan_mac_obj *o, int *offset) |
| 370 | { |
| 371 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
| 372 | |
| 373 | WARN_ON(!vp); |
| 374 | |
| 375 | return vp->get_entry(vp, offset); |
| 376 | } |
| 377 | |
| 378 | static bool bnx2x_get_credit_vlan(struct bnx2x_vlan_mac_obj *o) |
| 379 | { |
| 380 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
| 381 | |
| 382 | WARN_ON(!vp); |
| 383 | |
| 384 | return vp->get(vp, 1); |
| 385 | } |
| 386 | |
| 387 | static bool bnx2x_get_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o) |
| 388 | { |
| 389 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
| 390 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
| 391 | |
| 392 | if (!mp->get(mp, 1)) |
| 393 | return false; |
| 394 | |
| 395 | if (!vp->get(vp, 1)) { |
| 396 | mp->put(mp, 1); |
| 397 | return false; |
| 398 | } |
| 399 | |
| 400 | return true; |
| 401 | } |
| 402 | |
| 403 | static bool bnx2x_put_cam_offset_mac(struct bnx2x_vlan_mac_obj *o, int offset) |
| 404 | { |
| 405 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
| 406 | |
| 407 | return mp->put_entry(mp, offset); |
| 408 | } |
| 409 | |
| 410 | static bool bnx2x_put_credit_mac(struct bnx2x_vlan_mac_obj *o) |
| 411 | { |
| 412 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
| 413 | |
| 414 | return mp->put(mp, 1); |
| 415 | } |
| 416 | |
| 417 | static bool bnx2x_put_cam_offset_vlan(struct bnx2x_vlan_mac_obj *o, int offset) |
| 418 | { |
| 419 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
| 420 | |
| 421 | return vp->put_entry(vp, offset); |
| 422 | } |
| 423 | |
| 424 | static bool bnx2x_put_credit_vlan(struct bnx2x_vlan_mac_obj *o) |
| 425 | { |
| 426 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
| 427 | |
| 428 | return vp->put(vp, 1); |
| 429 | } |
| 430 | |
| 431 | static bool bnx2x_put_credit_vlan_mac(struct bnx2x_vlan_mac_obj *o) |
| 432 | { |
| 433 | struct bnx2x_credit_pool_obj *mp = o->macs_pool; |
| 434 | struct bnx2x_credit_pool_obj *vp = o->vlans_pool; |
| 435 | |
| 436 | if (!mp->put(mp, 1)) |
| 437 | return false; |
| 438 | |
| 439 | if (!vp->put(vp, 1)) { |
| 440 | mp->get(mp, 1); |
| 441 | return false; |
| 442 | } |
| 443 | |
| 444 | return true; |
| 445 | } |
| 446 | |
Ariel Elior | ed5162a | 2011-12-05 21:52:24 +0000 | [diff] [blame] | 447 | static int bnx2x_get_n_elements(struct bnx2x *bp, struct bnx2x_vlan_mac_obj *o, |
| 448 | int n, u8 *buf) |
| 449 | { |
| 450 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 451 | u8 *next = buf; |
| 452 | int counter = 0; |
| 453 | |
| 454 | /* traverse list */ |
| 455 | list_for_each_entry(pos, &o->head, link) { |
| 456 | if (counter < n) { |
| 457 | /* place leading zeroes in buffer */ |
| 458 | memset(next, 0, MAC_LEADING_ZERO_CNT); |
| 459 | |
| 460 | /* place mac after leading zeroes*/ |
| 461 | memcpy(next + MAC_LEADING_ZERO_CNT, pos->u.mac.mac, |
| 462 | ETH_ALEN); |
| 463 | |
| 464 | /* calculate address of next element and |
| 465 | * advance counter |
| 466 | */ |
| 467 | counter++; |
| 468 | next = buf + counter * ALIGN(ETH_ALEN, sizeof(u32)); |
| 469 | |
| 470 | DP(BNX2X_MSG_SP, "copied element number %d to address %p element was %pM\n", |
| 471 | counter, next, pos->u.mac.mac); |
| 472 | } |
| 473 | } |
| 474 | return counter * ETH_ALEN; |
| 475 | } |
| 476 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 477 | /* check_add() callbacks */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 478 | static int bnx2x_check_mac_add(struct bnx2x *bp, |
| 479 | struct bnx2x_vlan_mac_obj *o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 480 | union bnx2x_classification_ramrod_data *data) |
| 481 | { |
| 482 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 483 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 484 | DP(BNX2X_MSG_SP, "Checking MAC %pM for ADD command\n", data->mac.mac); |
| 485 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 486 | if (!is_valid_ether_addr(data->mac.mac)) |
| 487 | return -EINVAL; |
| 488 | |
| 489 | /* Check if a requested MAC already exists */ |
| 490 | list_for_each_entry(pos, &o->head, link) |
| 491 | if (!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) |
| 492 | return -EEXIST; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 493 | |
| 494 | return 0; |
| 495 | } |
| 496 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 497 | static int bnx2x_check_vlan_add(struct bnx2x *bp, |
| 498 | struct bnx2x_vlan_mac_obj *o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 499 | union bnx2x_classification_ramrod_data *data) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 500 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 501 | struct bnx2x_vlan_mac_registry_elem *pos; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 502 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 503 | DP(BNX2X_MSG_SP, "Checking VLAN %d for ADD command\n", data->vlan.vlan); |
| 504 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 505 | list_for_each_entry(pos, &o->head, link) |
| 506 | if (data->vlan.vlan == pos->u.vlan.vlan) |
| 507 | return -EEXIST; |
| 508 | |
| 509 | return 0; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 510 | } |
| 511 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 512 | static int bnx2x_check_vlan_mac_add(struct bnx2x *bp, |
| 513 | struct bnx2x_vlan_mac_obj *o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 514 | union bnx2x_classification_ramrod_data *data) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 515 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 516 | struct bnx2x_vlan_mac_registry_elem *pos; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 517 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 518 | DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for ADD command\n", |
| 519 | data->vlan_mac.mac, data->vlan_mac.vlan); |
| 520 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 521 | list_for_each_entry(pos, &o->head, link) |
| 522 | if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) && |
| 523 | (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac, |
| 524 | ETH_ALEN))) |
| 525 | return -EEXIST; |
| 526 | |
| 527 | return 0; |
| 528 | } |
| 529 | |
| 530 | |
| 531 | /* check_del() callbacks */ |
| 532 | static struct bnx2x_vlan_mac_registry_elem * |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 533 | bnx2x_check_mac_del(struct bnx2x *bp, |
| 534 | struct bnx2x_vlan_mac_obj *o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 535 | union bnx2x_classification_ramrod_data *data) |
| 536 | { |
| 537 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 538 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 539 | DP(BNX2X_MSG_SP, "Checking MAC %pM for DEL command\n", data->mac.mac); |
| 540 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 541 | list_for_each_entry(pos, &o->head, link) |
| 542 | if (!memcmp(data->mac.mac, pos->u.mac.mac, ETH_ALEN)) |
| 543 | return pos; |
| 544 | |
| 545 | return NULL; |
| 546 | } |
| 547 | |
| 548 | static struct bnx2x_vlan_mac_registry_elem * |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 549 | bnx2x_check_vlan_del(struct bnx2x *bp, |
| 550 | struct bnx2x_vlan_mac_obj *o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 551 | union bnx2x_classification_ramrod_data *data) |
| 552 | { |
| 553 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 554 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 555 | DP(BNX2X_MSG_SP, "Checking VLAN %d for DEL command\n", data->vlan.vlan); |
| 556 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 557 | list_for_each_entry(pos, &o->head, link) |
| 558 | if (data->vlan.vlan == pos->u.vlan.vlan) |
| 559 | return pos; |
| 560 | |
| 561 | return NULL; |
| 562 | } |
| 563 | |
| 564 | static struct bnx2x_vlan_mac_registry_elem * |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 565 | bnx2x_check_vlan_mac_del(struct bnx2x *bp, |
| 566 | struct bnx2x_vlan_mac_obj *o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 567 | union bnx2x_classification_ramrod_data *data) |
| 568 | { |
| 569 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 570 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 571 | DP(BNX2X_MSG_SP, "Checking VLAN_MAC (%pM, %d) for DEL command\n", |
| 572 | data->vlan_mac.mac, data->vlan_mac.vlan); |
| 573 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 574 | list_for_each_entry(pos, &o->head, link) |
| 575 | if ((data->vlan_mac.vlan == pos->u.vlan_mac.vlan) && |
| 576 | (!memcmp(data->vlan_mac.mac, pos->u.vlan_mac.mac, |
| 577 | ETH_ALEN))) |
| 578 | return pos; |
| 579 | |
| 580 | return NULL; |
| 581 | } |
| 582 | |
| 583 | /* check_move() callback */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 584 | static bool bnx2x_check_move(struct bnx2x *bp, |
| 585 | struct bnx2x_vlan_mac_obj *src_o, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 586 | struct bnx2x_vlan_mac_obj *dst_o, |
| 587 | union bnx2x_classification_ramrod_data *data) |
| 588 | { |
| 589 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 590 | int rc; |
| 591 | |
| 592 | /* Check if we can delete the requested configuration from the first |
| 593 | * object. |
| 594 | */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 595 | pos = src_o->check_del(bp, src_o, data); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 596 | |
| 597 | /* check if configuration can be added */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 598 | rc = dst_o->check_add(bp, dst_o, data); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 599 | |
| 600 | /* If this classification can not be added (is already set) |
| 601 | * or can't be deleted - return an error. |
| 602 | */ |
| 603 | if (rc || !pos) |
| 604 | return false; |
| 605 | |
| 606 | return true; |
| 607 | } |
| 608 | |
| 609 | static bool bnx2x_check_move_always_err( |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 610 | struct bnx2x *bp, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 611 | struct bnx2x_vlan_mac_obj *src_o, |
| 612 | struct bnx2x_vlan_mac_obj *dst_o, |
| 613 | union bnx2x_classification_ramrod_data *data) |
| 614 | { |
| 615 | return false; |
| 616 | } |
| 617 | |
| 618 | |
| 619 | static inline u8 bnx2x_vlan_mac_get_rx_tx_flag(struct bnx2x_vlan_mac_obj *o) |
| 620 | { |
| 621 | struct bnx2x_raw_obj *raw = &o->raw; |
| 622 | u8 rx_tx_flag = 0; |
| 623 | |
| 624 | if ((raw->obj_type == BNX2X_OBJ_TYPE_TX) || |
| 625 | (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX)) |
| 626 | rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_TX_CMD; |
| 627 | |
| 628 | if ((raw->obj_type == BNX2X_OBJ_TYPE_RX) || |
| 629 | (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX)) |
| 630 | rx_tx_flag |= ETH_CLASSIFY_CMD_HEADER_RX_CMD; |
| 631 | |
| 632 | return rx_tx_flag; |
| 633 | } |
| 634 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 635 | |
| 636 | static inline void bnx2x_set_mac_in_nig(struct bnx2x *bp, |
| 637 | bool add, unsigned char *dev_addr, int index) |
| 638 | { |
| 639 | u32 wb_data[2]; |
| 640 | u32 reg_offset = BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM : |
| 641 | NIG_REG_LLH0_FUNC_MEM; |
| 642 | |
Yuval Mintz | 0a52fd0 | 2012-03-12 08:53:07 +0000 | [diff] [blame] | 643 | if (!IS_MF_SI(bp) || index > BNX2X_LLH_CAM_MAX_PF_LINE) |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 644 | return; |
| 645 | |
| 646 | DP(BNX2X_MSG_SP, "Going to %s LLH configuration at entry %d\n", |
| 647 | (add ? "ADD" : "DELETE"), index); |
| 648 | |
| 649 | if (add) { |
| 650 | /* LLH_FUNC_MEM is a u64 WB register */ |
| 651 | reg_offset += 8*index; |
| 652 | |
| 653 | wb_data[0] = ((dev_addr[2] << 24) | (dev_addr[3] << 16) | |
| 654 | (dev_addr[4] << 8) | dev_addr[5]); |
| 655 | wb_data[1] = ((dev_addr[0] << 8) | dev_addr[1]); |
| 656 | |
| 657 | REG_WR_DMAE(bp, reg_offset, wb_data, 2); |
| 658 | } |
| 659 | |
| 660 | REG_WR(bp, (BP_PORT(bp) ? NIG_REG_LLH1_FUNC_MEM_ENABLE : |
| 661 | NIG_REG_LLH0_FUNC_MEM_ENABLE) + 4*index, add); |
| 662 | } |
| 663 | |
| 664 | /** |
| 665 | * bnx2x_vlan_mac_set_cmd_hdr_e2 - set a header in a single classify ramrod |
| 666 | * |
| 667 | * @bp: device handle |
| 668 | * @o: queue for which we want to configure this rule |
| 669 | * @add: if true the command is an ADD command, DEL otherwise |
| 670 | * @opcode: CLASSIFY_RULE_OPCODE_XXX |
| 671 | * @hdr: pointer to a header to setup |
| 672 | * |
| 673 | */ |
| 674 | static inline void bnx2x_vlan_mac_set_cmd_hdr_e2(struct bnx2x *bp, |
| 675 | struct bnx2x_vlan_mac_obj *o, bool add, int opcode, |
| 676 | struct eth_classify_cmd_header *hdr) |
| 677 | { |
| 678 | struct bnx2x_raw_obj *raw = &o->raw; |
| 679 | |
| 680 | hdr->client_id = raw->cl_id; |
| 681 | hdr->func_id = raw->func_id; |
| 682 | |
| 683 | /* Rx or/and Tx (internal switching) configuration ? */ |
| 684 | hdr->cmd_general_data |= |
| 685 | bnx2x_vlan_mac_get_rx_tx_flag(o); |
| 686 | |
| 687 | if (add) |
| 688 | hdr->cmd_general_data |= ETH_CLASSIFY_CMD_HEADER_IS_ADD; |
| 689 | |
| 690 | hdr->cmd_general_data |= |
| 691 | (opcode << ETH_CLASSIFY_CMD_HEADER_OPCODE_SHIFT); |
| 692 | } |
| 693 | |
| 694 | /** |
| 695 | * bnx2x_vlan_mac_set_rdata_hdr_e2 - set the classify ramrod data header |
| 696 | * |
| 697 | * @cid: connection id |
| 698 | * @type: BNX2X_FILTER_XXX_PENDING |
| 699 | * @hdr: poiter to header to setup |
| 700 | * @rule_cnt: |
| 701 | * |
| 702 | * currently we always configure one rule and echo field to contain a CID and an |
| 703 | * opcode type. |
| 704 | */ |
| 705 | static inline void bnx2x_vlan_mac_set_rdata_hdr_e2(u32 cid, int type, |
| 706 | struct eth_classify_header *hdr, int rule_cnt) |
| 707 | { |
| 708 | hdr->echo = (cid & BNX2X_SWCID_MASK) | (type << BNX2X_SWCID_SHIFT); |
| 709 | hdr->rule_cnt = (u8)rule_cnt; |
| 710 | } |
| 711 | |
| 712 | |
| 713 | /* hw_config() callbacks */ |
| 714 | static void bnx2x_set_one_mac_e2(struct bnx2x *bp, |
| 715 | struct bnx2x_vlan_mac_obj *o, |
| 716 | struct bnx2x_exeq_elem *elem, int rule_idx, |
| 717 | int cam_offset) |
| 718 | { |
| 719 | struct bnx2x_raw_obj *raw = &o->raw; |
| 720 | struct eth_classify_rules_ramrod_data *data = |
| 721 | (struct eth_classify_rules_ramrod_data *)(raw->rdata); |
| 722 | int rule_cnt = rule_idx + 1, cmd = elem->cmd_data.vlan_mac.cmd; |
| 723 | union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; |
| 724 | bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; |
| 725 | unsigned long *vlan_mac_flags = &elem->cmd_data.vlan_mac.vlan_mac_flags; |
| 726 | u8 *mac = elem->cmd_data.vlan_mac.u.mac.mac; |
| 727 | |
| 728 | /* |
| 729 | * Set LLH CAM entry: currently only iSCSI and ETH macs are |
| 730 | * relevant. In addition, current implementation is tuned for a |
| 731 | * single ETH MAC. |
| 732 | * |
| 733 | * When multiple unicast ETH MACs PF configuration in switch |
| 734 | * independent mode is required (NetQ, multiple netdev MACs, |
| 735 | * etc.), consider better utilisation of 8 per function MAC |
| 736 | * entries in the LLH register. There is also |
| 737 | * NIG_REG_P[01]_LLH_FUNC_MEM2 registers that complete the |
| 738 | * total number of CAM entries to 16. |
| 739 | * |
| 740 | * Currently we won't configure NIG for MACs other than a primary ETH |
| 741 | * MAC and iSCSI L2 MAC. |
| 742 | * |
| 743 | * If this MAC is moving from one Queue to another, no need to change |
| 744 | * NIG configuration. |
| 745 | */ |
| 746 | if (cmd != BNX2X_VLAN_MAC_MOVE) { |
| 747 | if (test_bit(BNX2X_ISCSI_ETH_MAC, vlan_mac_flags)) |
| 748 | bnx2x_set_mac_in_nig(bp, add, mac, |
Yuval Mintz | 0a52fd0 | 2012-03-12 08:53:07 +0000 | [diff] [blame] | 749 | BNX2X_LLH_CAM_ISCSI_ETH_LINE); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 750 | else if (test_bit(BNX2X_ETH_MAC, vlan_mac_flags)) |
Yuval Mintz | 0a52fd0 | 2012-03-12 08:53:07 +0000 | [diff] [blame] | 751 | bnx2x_set_mac_in_nig(bp, add, mac, |
| 752 | BNX2X_LLH_CAM_ETH_LINE); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 753 | } |
| 754 | |
| 755 | /* Reset the ramrod data buffer for the first rule */ |
| 756 | if (rule_idx == 0) |
| 757 | memset(data, 0, sizeof(*data)); |
| 758 | |
| 759 | /* Setup a command header */ |
| 760 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_MAC, |
| 761 | &rule_entry->mac.header); |
| 762 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 763 | DP(BNX2X_MSG_SP, "About to %s MAC %pM for Queue %d\n", |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 764 | (add ? "add" : "delete"), mac, raw->cl_id); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 765 | |
| 766 | /* Set a MAC itself */ |
| 767 | bnx2x_set_fw_mac_addr(&rule_entry->mac.mac_msb, |
| 768 | &rule_entry->mac.mac_mid, |
| 769 | &rule_entry->mac.mac_lsb, mac); |
| 770 | |
| 771 | /* MOVE: Add a rule that will add this MAC to the target Queue */ |
| 772 | if (cmd == BNX2X_VLAN_MAC_MOVE) { |
| 773 | rule_entry++; |
| 774 | rule_cnt++; |
| 775 | |
| 776 | /* Setup ramrod data */ |
| 777 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, |
| 778 | elem->cmd_data.vlan_mac.target_obj, |
| 779 | true, CLASSIFY_RULE_OPCODE_MAC, |
| 780 | &rule_entry->mac.header); |
| 781 | |
| 782 | /* Set a MAC itself */ |
| 783 | bnx2x_set_fw_mac_addr(&rule_entry->mac.mac_msb, |
| 784 | &rule_entry->mac.mac_mid, |
| 785 | &rule_entry->mac.mac_lsb, mac); |
| 786 | } |
| 787 | |
| 788 | /* Set the ramrod data header */ |
| 789 | /* TODO: take this to the higher level in order to prevent multiple |
| 790 | writing */ |
| 791 | bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, |
| 792 | rule_cnt); |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * bnx2x_vlan_mac_set_rdata_hdr_e1x - set a header in a single classify ramrod |
| 797 | * |
| 798 | * @bp: device handle |
| 799 | * @o: queue |
| 800 | * @type: |
| 801 | * @cam_offset: offset in cam memory |
| 802 | * @hdr: pointer to a header to setup |
| 803 | * |
| 804 | * E1/E1H |
| 805 | */ |
| 806 | static inline void bnx2x_vlan_mac_set_rdata_hdr_e1x(struct bnx2x *bp, |
| 807 | struct bnx2x_vlan_mac_obj *o, int type, int cam_offset, |
| 808 | struct mac_configuration_hdr *hdr) |
| 809 | { |
| 810 | struct bnx2x_raw_obj *r = &o->raw; |
| 811 | |
| 812 | hdr->length = 1; |
| 813 | hdr->offset = (u8)cam_offset; |
| 814 | hdr->client_id = 0xff; |
| 815 | hdr->echo = ((r->cid & BNX2X_SWCID_MASK) | (type << BNX2X_SWCID_SHIFT)); |
| 816 | } |
| 817 | |
| 818 | static inline void bnx2x_vlan_mac_set_cfg_entry_e1x(struct bnx2x *bp, |
| 819 | struct bnx2x_vlan_mac_obj *o, bool add, int opcode, u8 *mac, |
| 820 | u16 vlan_id, struct mac_configuration_entry *cfg_entry) |
| 821 | { |
| 822 | struct bnx2x_raw_obj *r = &o->raw; |
| 823 | u32 cl_bit_vec = (1 << r->cl_id); |
| 824 | |
| 825 | cfg_entry->clients_bit_vector = cpu_to_le32(cl_bit_vec); |
| 826 | cfg_entry->pf_id = r->func_id; |
| 827 | cfg_entry->vlan_id = cpu_to_le16(vlan_id); |
| 828 | |
| 829 | if (add) { |
| 830 | SET_FLAG(cfg_entry->flags, MAC_CONFIGURATION_ENTRY_ACTION_TYPE, |
| 831 | T_ETH_MAC_COMMAND_SET); |
| 832 | SET_FLAG(cfg_entry->flags, |
| 833 | MAC_CONFIGURATION_ENTRY_VLAN_FILTERING_MODE, opcode); |
| 834 | |
| 835 | /* Set a MAC in a ramrod data */ |
| 836 | bnx2x_set_fw_mac_addr(&cfg_entry->msb_mac_addr, |
| 837 | &cfg_entry->middle_mac_addr, |
| 838 | &cfg_entry->lsb_mac_addr, mac); |
| 839 | } else |
| 840 | SET_FLAG(cfg_entry->flags, MAC_CONFIGURATION_ENTRY_ACTION_TYPE, |
| 841 | T_ETH_MAC_COMMAND_INVALIDATE); |
| 842 | } |
| 843 | |
| 844 | static inline void bnx2x_vlan_mac_set_rdata_e1x(struct bnx2x *bp, |
| 845 | struct bnx2x_vlan_mac_obj *o, int type, int cam_offset, bool add, |
| 846 | u8 *mac, u16 vlan_id, int opcode, struct mac_configuration_cmd *config) |
| 847 | { |
| 848 | struct mac_configuration_entry *cfg_entry = &config->config_table[0]; |
| 849 | struct bnx2x_raw_obj *raw = &o->raw; |
| 850 | |
| 851 | bnx2x_vlan_mac_set_rdata_hdr_e1x(bp, o, type, cam_offset, |
| 852 | &config->hdr); |
| 853 | bnx2x_vlan_mac_set_cfg_entry_e1x(bp, o, add, opcode, mac, vlan_id, |
| 854 | cfg_entry); |
| 855 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 856 | DP(BNX2X_MSG_SP, "%s MAC %pM CLID %d CAM offset %d\n", |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 857 | (add ? "setting" : "clearing"), |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 858 | mac, raw->cl_id, cam_offset); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | /** |
| 862 | * bnx2x_set_one_mac_e1x - fill a single MAC rule ramrod data |
| 863 | * |
| 864 | * @bp: device handle |
| 865 | * @o: bnx2x_vlan_mac_obj |
| 866 | * @elem: bnx2x_exeq_elem |
| 867 | * @rule_idx: rule_idx |
| 868 | * @cam_offset: cam_offset |
| 869 | */ |
| 870 | static void bnx2x_set_one_mac_e1x(struct bnx2x *bp, |
| 871 | struct bnx2x_vlan_mac_obj *o, |
| 872 | struct bnx2x_exeq_elem *elem, int rule_idx, |
| 873 | int cam_offset) |
| 874 | { |
| 875 | struct bnx2x_raw_obj *raw = &o->raw; |
| 876 | struct mac_configuration_cmd *config = |
| 877 | (struct mac_configuration_cmd *)(raw->rdata); |
| 878 | /* |
| 879 | * 57710 and 57711 do not support MOVE command, |
| 880 | * so it's either ADD or DEL |
| 881 | */ |
| 882 | bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? |
| 883 | true : false; |
| 884 | |
| 885 | /* Reset the ramrod data buffer */ |
| 886 | memset(config, 0, sizeof(*config)); |
| 887 | |
Yuval Mintz | 33ac338 | 2012-03-12 08:53:09 +0000 | [diff] [blame] | 888 | bnx2x_vlan_mac_set_rdata_e1x(bp, o, raw->state, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 889 | cam_offset, add, |
| 890 | elem->cmd_data.vlan_mac.u.mac.mac, 0, |
| 891 | ETH_VLAN_FILTER_ANY_VLAN, config); |
| 892 | } |
| 893 | |
| 894 | static void bnx2x_set_one_vlan_e2(struct bnx2x *bp, |
| 895 | struct bnx2x_vlan_mac_obj *o, |
| 896 | struct bnx2x_exeq_elem *elem, int rule_idx, |
| 897 | int cam_offset) |
| 898 | { |
| 899 | struct bnx2x_raw_obj *raw = &o->raw; |
| 900 | struct eth_classify_rules_ramrod_data *data = |
| 901 | (struct eth_classify_rules_ramrod_data *)(raw->rdata); |
| 902 | int rule_cnt = rule_idx + 1; |
| 903 | union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; |
| 904 | int cmd = elem->cmd_data.vlan_mac.cmd; |
| 905 | bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; |
| 906 | u16 vlan = elem->cmd_data.vlan_mac.u.vlan.vlan; |
| 907 | |
| 908 | /* Reset the ramrod data buffer for the first rule */ |
| 909 | if (rule_idx == 0) |
| 910 | memset(data, 0, sizeof(*data)); |
| 911 | |
| 912 | /* Set a rule header */ |
| 913 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_VLAN, |
| 914 | &rule_entry->vlan.header); |
| 915 | |
| 916 | DP(BNX2X_MSG_SP, "About to %s VLAN %d\n", (add ? "add" : "delete"), |
| 917 | vlan); |
| 918 | |
| 919 | /* Set a VLAN itself */ |
| 920 | rule_entry->vlan.vlan = cpu_to_le16(vlan); |
| 921 | |
| 922 | /* MOVE: Add a rule that will add this MAC to the target Queue */ |
| 923 | if (cmd == BNX2X_VLAN_MAC_MOVE) { |
| 924 | rule_entry++; |
| 925 | rule_cnt++; |
| 926 | |
| 927 | /* Setup ramrod data */ |
| 928 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, |
| 929 | elem->cmd_data.vlan_mac.target_obj, |
| 930 | true, CLASSIFY_RULE_OPCODE_VLAN, |
| 931 | &rule_entry->vlan.header); |
| 932 | |
| 933 | /* Set a VLAN itself */ |
| 934 | rule_entry->vlan.vlan = cpu_to_le16(vlan); |
| 935 | } |
| 936 | |
| 937 | /* Set the ramrod data header */ |
| 938 | /* TODO: take this to the higher level in order to prevent multiple |
| 939 | writing */ |
| 940 | bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, |
| 941 | rule_cnt); |
| 942 | } |
| 943 | |
| 944 | static void bnx2x_set_one_vlan_mac_e2(struct bnx2x *bp, |
| 945 | struct bnx2x_vlan_mac_obj *o, |
| 946 | struct bnx2x_exeq_elem *elem, |
| 947 | int rule_idx, int cam_offset) |
| 948 | { |
| 949 | struct bnx2x_raw_obj *raw = &o->raw; |
| 950 | struct eth_classify_rules_ramrod_data *data = |
| 951 | (struct eth_classify_rules_ramrod_data *)(raw->rdata); |
| 952 | int rule_cnt = rule_idx + 1; |
| 953 | union eth_classify_rule_cmd *rule_entry = &data->rules[rule_idx]; |
| 954 | int cmd = elem->cmd_data.vlan_mac.cmd; |
| 955 | bool add = (cmd == BNX2X_VLAN_MAC_ADD) ? true : false; |
| 956 | u16 vlan = elem->cmd_data.vlan_mac.u.vlan_mac.vlan; |
| 957 | u8 *mac = elem->cmd_data.vlan_mac.u.vlan_mac.mac; |
| 958 | |
| 959 | |
| 960 | /* Reset the ramrod data buffer for the first rule */ |
| 961 | if (rule_idx == 0) |
| 962 | memset(data, 0, sizeof(*data)); |
| 963 | |
| 964 | /* Set a rule header */ |
| 965 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, o, add, CLASSIFY_RULE_OPCODE_PAIR, |
| 966 | &rule_entry->pair.header); |
| 967 | |
| 968 | /* Set VLAN and MAC themselvs */ |
| 969 | rule_entry->pair.vlan = cpu_to_le16(vlan); |
| 970 | bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb, |
| 971 | &rule_entry->pair.mac_mid, |
| 972 | &rule_entry->pair.mac_lsb, mac); |
| 973 | |
| 974 | /* MOVE: Add a rule that will add this MAC to the target Queue */ |
| 975 | if (cmd == BNX2X_VLAN_MAC_MOVE) { |
| 976 | rule_entry++; |
| 977 | rule_cnt++; |
| 978 | |
| 979 | /* Setup ramrod data */ |
| 980 | bnx2x_vlan_mac_set_cmd_hdr_e2(bp, |
| 981 | elem->cmd_data.vlan_mac.target_obj, |
| 982 | true, CLASSIFY_RULE_OPCODE_PAIR, |
| 983 | &rule_entry->pair.header); |
| 984 | |
| 985 | /* Set a VLAN itself */ |
| 986 | rule_entry->pair.vlan = cpu_to_le16(vlan); |
| 987 | bnx2x_set_fw_mac_addr(&rule_entry->pair.mac_msb, |
| 988 | &rule_entry->pair.mac_mid, |
| 989 | &rule_entry->pair.mac_lsb, mac); |
| 990 | } |
| 991 | |
| 992 | /* Set the ramrod data header */ |
| 993 | /* TODO: take this to the higher level in order to prevent multiple |
| 994 | writing */ |
| 995 | bnx2x_vlan_mac_set_rdata_hdr_e2(raw->cid, raw->state, &data->header, |
| 996 | rule_cnt); |
| 997 | } |
| 998 | |
| 999 | /** |
| 1000 | * bnx2x_set_one_vlan_mac_e1h - |
| 1001 | * |
| 1002 | * @bp: device handle |
| 1003 | * @o: bnx2x_vlan_mac_obj |
| 1004 | * @elem: bnx2x_exeq_elem |
| 1005 | * @rule_idx: rule_idx |
| 1006 | * @cam_offset: cam_offset |
| 1007 | */ |
| 1008 | static void bnx2x_set_one_vlan_mac_e1h(struct bnx2x *bp, |
| 1009 | struct bnx2x_vlan_mac_obj *o, |
| 1010 | struct bnx2x_exeq_elem *elem, |
| 1011 | int rule_idx, int cam_offset) |
| 1012 | { |
| 1013 | struct bnx2x_raw_obj *raw = &o->raw; |
| 1014 | struct mac_configuration_cmd *config = |
| 1015 | (struct mac_configuration_cmd *)(raw->rdata); |
| 1016 | /* |
| 1017 | * 57710 and 57711 do not support MOVE command, |
| 1018 | * so it's either ADD or DEL |
| 1019 | */ |
| 1020 | bool add = (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? |
| 1021 | true : false; |
| 1022 | |
| 1023 | /* Reset the ramrod data buffer */ |
| 1024 | memset(config, 0, sizeof(*config)); |
| 1025 | |
| 1026 | bnx2x_vlan_mac_set_rdata_e1x(bp, o, BNX2X_FILTER_VLAN_MAC_PENDING, |
| 1027 | cam_offset, add, |
| 1028 | elem->cmd_data.vlan_mac.u.vlan_mac.mac, |
| 1029 | elem->cmd_data.vlan_mac.u.vlan_mac.vlan, |
| 1030 | ETH_VLAN_FILTER_CLASSIFY, config); |
| 1031 | } |
| 1032 | |
| 1033 | #define list_next_entry(pos, member) \ |
| 1034 | list_entry((pos)->member.next, typeof(*(pos)), member) |
| 1035 | |
| 1036 | /** |
| 1037 | * bnx2x_vlan_mac_restore - reconfigure next MAC/VLAN/VLAN-MAC element |
| 1038 | * |
| 1039 | * @bp: device handle |
| 1040 | * @p: command parameters |
| 1041 | * @ppos: pointer to the cooky |
| 1042 | * |
| 1043 | * reconfigure next MAC/VLAN/VLAN-MAC element from the |
| 1044 | * previously configured elements list. |
| 1045 | * |
| 1046 | * from command parameters only RAMROD_COMP_WAIT bit in ramrod_flags is taken |
| 1047 | * into an account |
| 1048 | * |
| 1049 | * pointer to the cooky - that should be given back in the next call to make |
| 1050 | * function handle the next element. If *ppos is set to NULL it will restart the |
| 1051 | * iterator. If returned *ppos == NULL this means that the last element has been |
| 1052 | * handled. |
| 1053 | * |
| 1054 | */ |
| 1055 | static int bnx2x_vlan_mac_restore(struct bnx2x *bp, |
| 1056 | struct bnx2x_vlan_mac_ramrod_params *p, |
| 1057 | struct bnx2x_vlan_mac_registry_elem **ppos) |
| 1058 | { |
| 1059 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 1060 | struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj; |
| 1061 | |
| 1062 | /* If list is empty - there is nothing to do here */ |
| 1063 | if (list_empty(&o->head)) { |
| 1064 | *ppos = NULL; |
| 1065 | return 0; |
| 1066 | } |
| 1067 | |
| 1068 | /* make a step... */ |
| 1069 | if (*ppos == NULL) |
| 1070 | *ppos = list_first_entry(&o->head, |
| 1071 | struct bnx2x_vlan_mac_registry_elem, |
| 1072 | link); |
| 1073 | else |
| 1074 | *ppos = list_next_entry(*ppos, link); |
| 1075 | |
| 1076 | pos = *ppos; |
| 1077 | |
| 1078 | /* If it's the last step - return NULL */ |
| 1079 | if (list_is_last(&pos->link, &o->head)) |
| 1080 | *ppos = NULL; |
| 1081 | |
| 1082 | /* Prepare a 'user_req' */ |
| 1083 | memcpy(&p->user_req.u, &pos->u, sizeof(pos->u)); |
| 1084 | |
| 1085 | /* Set the command */ |
| 1086 | p->user_req.cmd = BNX2X_VLAN_MAC_ADD; |
| 1087 | |
| 1088 | /* Set vlan_mac_flags */ |
| 1089 | p->user_req.vlan_mac_flags = pos->vlan_mac_flags; |
| 1090 | |
| 1091 | /* Set a restore bit */ |
| 1092 | __set_bit(RAMROD_RESTORE, &p->ramrod_flags); |
| 1093 | |
| 1094 | return bnx2x_config_vlan_mac(bp, p); |
| 1095 | } |
| 1096 | |
| 1097 | /* |
| 1098 | * bnx2x_exeq_get_mac/bnx2x_exeq_get_vlan/bnx2x_exeq_get_vlan_mac return a |
| 1099 | * pointer to an element with a specific criteria and NULL if such an element |
| 1100 | * hasn't been found. |
| 1101 | */ |
| 1102 | static struct bnx2x_exeq_elem *bnx2x_exeq_get_mac( |
| 1103 | struct bnx2x_exe_queue_obj *o, |
| 1104 | struct bnx2x_exeq_elem *elem) |
| 1105 | { |
| 1106 | struct bnx2x_exeq_elem *pos; |
| 1107 | struct bnx2x_mac_ramrod_data *data = &elem->cmd_data.vlan_mac.u.mac; |
| 1108 | |
| 1109 | /* Check pending for execution commands */ |
| 1110 | list_for_each_entry(pos, &o->exe_queue, link) |
| 1111 | if (!memcmp(&pos->cmd_data.vlan_mac.u.mac, data, |
| 1112 | sizeof(*data)) && |
| 1113 | (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd)) |
| 1114 | return pos; |
| 1115 | |
| 1116 | return NULL; |
| 1117 | } |
| 1118 | |
| 1119 | static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan( |
| 1120 | struct bnx2x_exe_queue_obj *o, |
| 1121 | struct bnx2x_exeq_elem *elem) |
| 1122 | { |
| 1123 | struct bnx2x_exeq_elem *pos; |
| 1124 | struct bnx2x_vlan_ramrod_data *data = &elem->cmd_data.vlan_mac.u.vlan; |
| 1125 | |
| 1126 | /* Check pending for execution commands */ |
| 1127 | list_for_each_entry(pos, &o->exe_queue, link) |
| 1128 | if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan, data, |
| 1129 | sizeof(*data)) && |
| 1130 | (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd)) |
| 1131 | return pos; |
| 1132 | |
| 1133 | return NULL; |
| 1134 | } |
| 1135 | |
| 1136 | static struct bnx2x_exeq_elem *bnx2x_exeq_get_vlan_mac( |
| 1137 | struct bnx2x_exe_queue_obj *o, |
| 1138 | struct bnx2x_exeq_elem *elem) |
| 1139 | { |
| 1140 | struct bnx2x_exeq_elem *pos; |
| 1141 | struct bnx2x_vlan_mac_ramrod_data *data = |
| 1142 | &elem->cmd_data.vlan_mac.u.vlan_mac; |
| 1143 | |
| 1144 | /* Check pending for execution commands */ |
| 1145 | list_for_each_entry(pos, &o->exe_queue, link) |
| 1146 | if (!memcmp(&pos->cmd_data.vlan_mac.u.vlan_mac, data, |
| 1147 | sizeof(*data)) && |
| 1148 | (pos->cmd_data.vlan_mac.cmd == elem->cmd_data.vlan_mac.cmd)) |
| 1149 | return pos; |
| 1150 | |
| 1151 | return NULL; |
| 1152 | } |
| 1153 | |
| 1154 | /** |
| 1155 | * bnx2x_validate_vlan_mac_add - check if an ADD command can be executed |
| 1156 | * |
| 1157 | * @bp: device handle |
| 1158 | * @qo: bnx2x_qable_obj |
| 1159 | * @elem: bnx2x_exeq_elem |
| 1160 | * |
| 1161 | * Checks that the requested configuration can be added. If yes and if |
| 1162 | * requested, consume CAM credit. |
| 1163 | * |
| 1164 | * The 'validate' is run after the 'optimize'. |
| 1165 | * |
| 1166 | */ |
| 1167 | static inline int bnx2x_validate_vlan_mac_add(struct bnx2x *bp, |
| 1168 | union bnx2x_qable_obj *qo, |
| 1169 | struct bnx2x_exeq_elem *elem) |
| 1170 | { |
| 1171 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac; |
| 1172 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; |
| 1173 | int rc; |
| 1174 | |
| 1175 | /* Check the registry */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1176 | rc = o->check_add(bp, o, &elem->cmd_data.vlan_mac.u); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1177 | if (rc) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1178 | DP(BNX2X_MSG_SP, "ADD command is not allowed considering current registry state.\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1179 | return rc; |
| 1180 | } |
| 1181 | |
| 1182 | /* |
| 1183 | * Check if there is a pending ADD command for this |
| 1184 | * MAC/VLAN/VLAN-MAC. Return an error if there is. |
| 1185 | */ |
| 1186 | if (exeq->get(exeq, elem)) { |
| 1187 | DP(BNX2X_MSG_SP, "There is a pending ADD command already\n"); |
| 1188 | return -EEXIST; |
| 1189 | } |
| 1190 | |
| 1191 | /* |
| 1192 | * TODO: Check the pending MOVE from other objects where this |
| 1193 | * object is a destination object. |
| 1194 | */ |
| 1195 | |
| 1196 | /* Consume the credit if not requested not to */ |
| 1197 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, |
| 1198 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || |
| 1199 | o->get_credit(o))) |
| 1200 | return -EINVAL; |
| 1201 | |
| 1202 | return 0; |
| 1203 | } |
| 1204 | |
| 1205 | /** |
| 1206 | * bnx2x_validate_vlan_mac_del - check if the DEL command can be executed |
| 1207 | * |
| 1208 | * @bp: device handle |
| 1209 | * @qo: quable object to check |
| 1210 | * @elem: element that needs to be deleted |
| 1211 | * |
| 1212 | * Checks that the requested configuration can be deleted. If yes and if |
| 1213 | * requested, returns a CAM credit. |
| 1214 | * |
| 1215 | * The 'validate' is run after the 'optimize'. |
| 1216 | */ |
| 1217 | static inline int bnx2x_validate_vlan_mac_del(struct bnx2x *bp, |
| 1218 | union bnx2x_qable_obj *qo, |
| 1219 | struct bnx2x_exeq_elem *elem) |
| 1220 | { |
| 1221 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac; |
| 1222 | struct bnx2x_vlan_mac_registry_elem *pos; |
| 1223 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; |
| 1224 | struct bnx2x_exeq_elem query_elem; |
| 1225 | |
| 1226 | /* If this classification can not be deleted (doesn't exist) |
| 1227 | * - return a BNX2X_EXIST. |
| 1228 | */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1229 | pos = o->check_del(bp, o, &elem->cmd_data.vlan_mac.u); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1230 | if (!pos) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1231 | DP(BNX2X_MSG_SP, "DEL command is not allowed considering current registry state\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1232 | return -EEXIST; |
| 1233 | } |
| 1234 | |
| 1235 | /* |
| 1236 | * Check if there are pending DEL or MOVE commands for this |
| 1237 | * MAC/VLAN/VLAN-MAC. Return an error if so. |
| 1238 | */ |
| 1239 | memcpy(&query_elem, elem, sizeof(query_elem)); |
| 1240 | |
| 1241 | /* Check for MOVE commands */ |
| 1242 | query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_MOVE; |
| 1243 | if (exeq->get(exeq, &query_elem)) { |
| 1244 | BNX2X_ERR("There is a pending MOVE command already\n"); |
| 1245 | return -EINVAL; |
| 1246 | } |
| 1247 | |
| 1248 | /* Check for DEL commands */ |
| 1249 | if (exeq->get(exeq, elem)) { |
| 1250 | DP(BNX2X_MSG_SP, "There is a pending DEL command already\n"); |
| 1251 | return -EEXIST; |
| 1252 | } |
| 1253 | |
| 1254 | /* Return the credit to the credit pool if not requested not to */ |
| 1255 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, |
| 1256 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || |
| 1257 | o->put_credit(o))) { |
| 1258 | BNX2X_ERR("Failed to return a credit\n"); |
| 1259 | return -EINVAL; |
| 1260 | } |
| 1261 | |
| 1262 | return 0; |
| 1263 | } |
| 1264 | |
| 1265 | /** |
| 1266 | * bnx2x_validate_vlan_mac_move - check if the MOVE command can be executed |
| 1267 | * |
| 1268 | * @bp: device handle |
| 1269 | * @qo: quable object to check (source) |
| 1270 | * @elem: element that needs to be moved |
| 1271 | * |
| 1272 | * Checks that the requested configuration can be moved. If yes and if |
| 1273 | * requested, returns a CAM credit. |
| 1274 | * |
| 1275 | * The 'validate' is run after the 'optimize'. |
| 1276 | */ |
| 1277 | static inline int bnx2x_validate_vlan_mac_move(struct bnx2x *bp, |
| 1278 | union bnx2x_qable_obj *qo, |
| 1279 | struct bnx2x_exeq_elem *elem) |
| 1280 | { |
| 1281 | struct bnx2x_vlan_mac_obj *src_o = &qo->vlan_mac; |
| 1282 | struct bnx2x_vlan_mac_obj *dest_o = elem->cmd_data.vlan_mac.target_obj; |
| 1283 | struct bnx2x_exeq_elem query_elem; |
| 1284 | struct bnx2x_exe_queue_obj *src_exeq = &src_o->exe_queue; |
| 1285 | struct bnx2x_exe_queue_obj *dest_exeq = &dest_o->exe_queue; |
| 1286 | |
| 1287 | /* |
| 1288 | * Check if we can perform this operation based on the current registry |
| 1289 | * state. |
| 1290 | */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1291 | if (!src_o->check_move(bp, src_o, dest_o, |
| 1292 | &elem->cmd_data.vlan_mac.u)) { |
| 1293 | DP(BNX2X_MSG_SP, "MOVE command is not allowed considering current registry state\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1294 | return -EINVAL; |
| 1295 | } |
| 1296 | |
| 1297 | /* |
| 1298 | * Check if there is an already pending DEL or MOVE command for the |
| 1299 | * source object or ADD command for a destination object. Return an |
| 1300 | * error if so. |
| 1301 | */ |
| 1302 | memcpy(&query_elem, elem, sizeof(query_elem)); |
| 1303 | |
| 1304 | /* Check DEL on source */ |
| 1305 | query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_DEL; |
| 1306 | if (src_exeq->get(src_exeq, &query_elem)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1307 | BNX2X_ERR("There is a pending DEL command on the source queue already\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1308 | return -EINVAL; |
| 1309 | } |
| 1310 | |
| 1311 | /* Check MOVE on source */ |
| 1312 | if (src_exeq->get(src_exeq, elem)) { |
| 1313 | DP(BNX2X_MSG_SP, "There is a pending MOVE command already\n"); |
| 1314 | return -EEXIST; |
| 1315 | } |
| 1316 | |
| 1317 | /* Check ADD on destination */ |
| 1318 | query_elem.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_ADD; |
| 1319 | if (dest_exeq->get(dest_exeq, &query_elem)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1320 | BNX2X_ERR("There is a pending ADD command on the destination queue already\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1321 | return -EINVAL; |
| 1322 | } |
| 1323 | |
| 1324 | /* Consume the credit if not requested not to */ |
| 1325 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT_DEST, |
| 1326 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || |
| 1327 | dest_o->get_credit(dest_o))) |
| 1328 | return -EINVAL; |
| 1329 | |
| 1330 | if (!(test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, |
| 1331 | &elem->cmd_data.vlan_mac.vlan_mac_flags) || |
| 1332 | src_o->put_credit(src_o))) { |
| 1333 | /* return the credit taken from dest... */ |
| 1334 | dest_o->put_credit(dest_o); |
| 1335 | return -EINVAL; |
| 1336 | } |
| 1337 | |
| 1338 | return 0; |
| 1339 | } |
| 1340 | |
| 1341 | static int bnx2x_validate_vlan_mac(struct bnx2x *bp, |
| 1342 | union bnx2x_qable_obj *qo, |
| 1343 | struct bnx2x_exeq_elem *elem) |
| 1344 | { |
| 1345 | switch (elem->cmd_data.vlan_mac.cmd) { |
| 1346 | case BNX2X_VLAN_MAC_ADD: |
| 1347 | return bnx2x_validate_vlan_mac_add(bp, qo, elem); |
| 1348 | case BNX2X_VLAN_MAC_DEL: |
| 1349 | return bnx2x_validate_vlan_mac_del(bp, qo, elem); |
| 1350 | case BNX2X_VLAN_MAC_MOVE: |
| 1351 | return bnx2x_validate_vlan_mac_move(bp, qo, elem); |
| 1352 | default: |
| 1353 | return -EINVAL; |
| 1354 | } |
| 1355 | } |
| 1356 | |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 1357 | static int bnx2x_remove_vlan_mac(struct bnx2x *bp, |
| 1358 | union bnx2x_qable_obj *qo, |
| 1359 | struct bnx2x_exeq_elem *elem) |
| 1360 | { |
| 1361 | int rc = 0; |
| 1362 | |
| 1363 | /* If consumption wasn't required, nothing to do */ |
| 1364 | if (test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, |
| 1365 | &elem->cmd_data.vlan_mac.vlan_mac_flags)) |
| 1366 | return 0; |
| 1367 | |
| 1368 | switch (elem->cmd_data.vlan_mac.cmd) { |
| 1369 | case BNX2X_VLAN_MAC_ADD: |
| 1370 | case BNX2X_VLAN_MAC_MOVE: |
| 1371 | rc = qo->vlan_mac.put_credit(&qo->vlan_mac); |
| 1372 | break; |
| 1373 | case BNX2X_VLAN_MAC_DEL: |
| 1374 | rc = qo->vlan_mac.get_credit(&qo->vlan_mac); |
| 1375 | break; |
| 1376 | default: |
| 1377 | return -EINVAL; |
| 1378 | } |
| 1379 | |
| 1380 | if (rc != true) |
| 1381 | return -EINVAL; |
| 1382 | |
| 1383 | return 0; |
| 1384 | } |
| 1385 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1386 | /** |
| 1387 | * bnx2x_wait_vlan_mac - passivly wait for 5 seconds until all work completes. |
| 1388 | * |
| 1389 | * @bp: device handle |
| 1390 | * @o: bnx2x_vlan_mac_obj |
| 1391 | * |
| 1392 | */ |
| 1393 | static int bnx2x_wait_vlan_mac(struct bnx2x *bp, |
| 1394 | struct bnx2x_vlan_mac_obj *o) |
| 1395 | { |
| 1396 | int cnt = 5000, rc; |
| 1397 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; |
| 1398 | struct bnx2x_raw_obj *raw = &o->raw; |
| 1399 | |
| 1400 | while (cnt--) { |
| 1401 | /* Wait for the current command to complete */ |
| 1402 | rc = raw->wait_comp(bp, raw); |
| 1403 | if (rc) |
| 1404 | return rc; |
| 1405 | |
| 1406 | /* Wait until there are no pending commands */ |
| 1407 | if (!bnx2x_exe_queue_empty(exeq)) |
| 1408 | usleep_range(1000, 1000); |
| 1409 | else |
| 1410 | return 0; |
| 1411 | } |
| 1412 | |
| 1413 | return -EBUSY; |
| 1414 | } |
| 1415 | |
| 1416 | /** |
| 1417 | * bnx2x_complete_vlan_mac - complete one VLAN-MAC ramrod |
| 1418 | * |
| 1419 | * @bp: device handle |
| 1420 | * @o: bnx2x_vlan_mac_obj |
| 1421 | * @cqe: |
| 1422 | * @cont: if true schedule next execution chunk |
| 1423 | * |
| 1424 | */ |
| 1425 | static int bnx2x_complete_vlan_mac(struct bnx2x *bp, |
| 1426 | struct bnx2x_vlan_mac_obj *o, |
| 1427 | union event_ring_elem *cqe, |
| 1428 | unsigned long *ramrod_flags) |
| 1429 | { |
| 1430 | struct bnx2x_raw_obj *r = &o->raw; |
| 1431 | int rc; |
| 1432 | |
| 1433 | /* Reset pending list */ |
| 1434 | bnx2x_exe_queue_reset_pending(bp, &o->exe_queue); |
| 1435 | |
| 1436 | /* Clear pending */ |
| 1437 | r->clear_pending(r); |
| 1438 | |
| 1439 | /* If ramrod failed this is most likely a SW bug */ |
| 1440 | if (cqe->message.error) |
| 1441 | return -EINVAL; |
| 1442 | |
| 1443 | /* Run the next bulk of pending commands if requeted */ |
| 1444 | if (test_bit(RAMROD_CONT, ramrod_flags)) { |
| 1445 | rc = bnx2x_exe_queue_step(bp, &o->exe_queue, ramrod_flags); |
| 1446 | if (rc < 0) |
| 1447 | return rc; |
| 1448 | } |
| 1449 | |
| 1450 | /* If there is more work to do return PENDING */ |
| 1451 | if (!bnx2x_exe_queue_empty(&o->exe_queue)) |
| 1452 | return 1; |
| 1453 | |
| 1454 | return 0; |
| 1455 | } |
| 1456 | |
| 1457 | /** |
| 1458 | * bnx2x_optimize_vlan_mac - optimize ADD and DEL commands. |
| 1459 | * |
| 1460 | * @bp: device handle |
| 1461 | * @o: bnx2x_qable_obj |
| 1462 | * @elem: bnx2x_exeq_elem |
| 1463 | */ |
| 1464 | static int bnx2x_optimize_vlan_mac(struct bnx2x *bp, |
| 1465 | union bnx2x_qable_obj *qo, |
| 1466 | struct bnx2x_exeq_elem *elem) |
| 1467 | { |
| 1468 | struct bnx2x_exeq_elem query, *pos; |
| 1469 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac; |
| 1470 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; |
| 1471 | |
| 1472 | memcpy(&query, elem, sizeof(query)); |
| 1473 | |
| 1474 | switch (elem->cmd_data.vlan_mac.cmd) { |
| 1475 | case BNX2X_VLAN_MAC_ADD: |
| 1476 | query.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_DEL; |
| 1477 | break; |
| 1478 | case BNX2X_VLAN_MAC_DEL: |
| 1479 | query.cmd_data.vlan_mac.cmd = BNX2X_VLAN_MAC_ADD; |
| 1480 | break; |
| 1481 | default: |
| 1482 | /* Don't handle anything other than ADD or DEL */ |
| 1483 | return 0; |
| 1484 | } |
| 1485 | |
| 1486 | /* If we found the appropriate element - delete it */ |
| 1487 | pos = exeq->get(exeq, &query); |
| 1488 | if (pos) { |
| 1489 | |
| 1490 | /* Return the credit of the optimized command */ |
| 1491 | if (!test_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, |
| 1492 | &pos->cmd_data.vlan_mac.vlan_mac_flags)) { |
| 1493 | if ((query.cmd_data.vlan_mac.cmd == |
| 1494 | BNX2X_VLAN_MAC_ADD) && !o->put_credit(o)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1495 | BNX2X_ERR("Failed to return the credit for the optimized ADD command\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1496 | return -EINVAL; |
| 1497 | } else if (!o->get_credit(o)) { /* VLAN_MAC_DEL */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1498 | BNX2X_ERR("Failed to recover the credit from the optimized DEL command\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1499 | return -EINVAL; |
| 1500 | } |
| 1501 | } |
| 1502 | |
| 1503 | DP(BNX2X_MSG_SP, "Optimizing %s command\n", |
| 1504 | (elem->cmd_data.vlan_mac.cmd == BNX2X_VLAN_MAC_ADD) ? |
| 1505 | "ADD" : "DEL"); |
| 1506 | |
| 1507 | list_del(&pos->link); |
| 1508 | bnx2x_exe_queue_free_elem(bp, pos); |
| 1509 | return 1; |
| 1510 | } |
| 1511 | |
| 1512 | return 0; |
| 1513 | } |
| 1514 | |
| 1515 | /** |
| 1516 | * bnx2x_vlan_mac_get_registry_elem - prepare a registry element |
| 1517 | * |
| 1518 | * @bp: device handle |
| 1519 | * @o: |
| 1520 | * @elem: |
| 1521 | * @restore: |
| 1522 | * @re: |
| 1523 | * |
| 1524 | * prepare a registry element according to the current command request. |
| 1525 | */ |
| 1526 | static inline int bnx2x_vlan_mac_get_registry_elem( |
| 1527 | struct bnx2x *bp, |
| 1528 | struct bnx2x_vlan_mac_obj *o, |
| 1529 | struct bnx2x_exeq_elem *elem, |
| 1530 | bool restore, |
| 1531 | struct bnx2x_vlan_mac_registry_elem **re) |
| 1532 | { |
| 1533 | int cmd = elem->cmd_data.vlan_mac.cmd; |
| 1534 | struct bnx2x_vlan_mac_registry_elem *reg_elem; |
| 1535 | |
| 1536 | /* Allocate a new registry element if needed. */ |
| 1537 | if (!restore && |
| 1538 | ((cmd == BNX2X_VLAN_MAC_ADD) || (cmd == BNX2X_VLAN_MAC_MOVE))) { |
| 1539 | reg_elem = kzalloc(sizeof(*reg_elem), GFP_ATOMIC); |
| 1540 | if (!reg_elem) |
| 1541 | return -ENOMEM; |
| 1542 | |
| 1543 | /* Get a new CAM offset */ |
| 1544 | if (!o->get_cam_offset(o, ®_elem->cam_offset)) { |
| 1545 | /* |
| 1546 | * This shell never happen, because we have checked the |
| 1547 | * CAM availiability in the 'validate'. |
| 1548 | */ |
| 1549 | WARN_ON(1); |
| 1550 | kfree(reg_elem); |
| 1551 | return -EINVAL; |
| 1552 | } |
| 1553 | |
| 1554 | DP(BNX2X_MSG_SP, "Got cam offset %d\n", reg_elem->cam_offset); |
| 1555 | |
| 1556 | /* Set a VLAN-MAC data */ |
| 1557 | memcpy(®_elem->u, &elem->cmd_data.vlan_mac.u, |
| 1558 | sizeof(reg_elem->u)); |
| 1559 | |
| 1560 | /* Copy the flags (needed for DEL and RESTORE flows) */ |
| 1561 | reg_elem->vlan_mac_flags = |
| 1562 | elem->cmd_data.vlan_mac.vlan_mac_flags; |
| 1563 | } else /* DEL, RESTORE */ |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1564 | reg_elem = o->check_del(bp, o, &elem->cmd_data.vlan_mac.u); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1565 | |
| 1566 | *re = reg_elem; |
| 1567 | return 0; |
| 1568 | } |
| 1569 | |
| 1570 | /** |
| 1571 | * bnx2x_execute_vlan_mac - execute vlan mac command |
| 1572 | * |
| 1573 | * @bp: device handle |
| 1574 | * @qo: |
| 1575 | * @exe_chunk: |
| 1576 | * @ramrod_flags: |
| 1577 | * |
| 1578 | * go and send a ramrod! |
| 1579 | */ |
| 1580 | static int bnx2x_execute_vlan_mac(struct bnx2x *bp, |
| 1581 | union bnx2x_qable_obj *qo, |
| 1582 | struct list_head *exe_chunk, |
| 1583 | unsigned long *ramrod_flags) |
| 1584 | { |
| 1585 | struct bnx2x_exeq_elem *elem; |
| 1586 | struct bnx2x_vlan_mac_obj *o = &qo->vlan_mac, *cam_obj; |
| 1587 | struct bnx2x_raw_obj *r = &o->raw; |
| 1588 | int rc, idx = 0; |
| 1589 | bool restore = test_bit(RAMROD_RESTORE, ramrod_flags); |
| 1590 | bool drv_only = test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags); |
| 1591 | struct bnx2x_vlan_mac_registry_elem *reg_elem; |
| 1592 | int cmd; |
| 1593 | |
| 1594 | /* |
| 1595 | * If DRIVER_ONLY execution is requested, cleanup a registry |
| 1596 | * and exit. Otherwise send a ramrod to FW. |
| 1597 | */ |
| 1598 | if (!drv_only) { |
| 1599 | WARN_ON(r->check_pending(r)); |
| 1600 | |
| 1601 | /* Set pending */ |
| 1602 | r->set_pending(r); |
| 1603 | |
| 1604 | /* Fill tha ramrod data */ |
| 1605 | list_for_each_entry(elem, exe_chunk, link) { |
| 1606 | cmd = elem->cmd_data.vlan_mac.cmd; |
| 1607 | /* |
| 1608 | * We will add to the target object in MOVE command, so |
| 1609 | * change the object for a CAM search. |
| 1610 | */ |
| 1611 | if (cmd == BNX2X_VLAN_MAC_MOVE) |
| 1612 | cam_obj = elem->cmd_data.vlan_mac.target_obj; |
| 1613 | else |
| 1614 | cam_obj = o; |
| 1615 | |
| 1616 | rc = bnx2x_vlan_mac_get_registry_elem(bp, cam_obj, |
| 1617 | elem, restore, |
| 1618 | ®_elem); |
| 1619 | if (rc) |
| 1620 | goto error_exit; |
| 1621 | |
| 1622 | WARN_ON(!reg_elem); |
| 1623 | |
| 1624 | /* Push a new entry into the registry */ |
| 1625 | if (!restore && |
| 1626 | ((cmd == BNX2X_VLAN_MAC_ADD) || |
| 1627 | (cmd == BNX2X_VLAN_MAC_MOVE))) |
| 1628 | list_add(®_elem->link, &cam_obj->head); |
| 1629 | |
| 1630 | /* Configure a single command in a ramrod data buffer */ |
| 1631 | o->set_one_rule(bp, o, elem, idx, |
| 1632 | reg_elem->cam_offset); |
| 1633 | |
| 1634 | /* MOVE command consumes 2 entries in the ramrod data */ |
| 1635 | if (cmd == BNX2X_VLAN_MAC_MOVE) |
| 1636 | idx += 2; |
| 1637 | else |
| 1638 | idx++; |
| 1639 | } |
| 1640 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 1641 | /* |
| 1642 | * No need for an explicit memory barrier here as long we would |
| 1643 | * need to ensure the ordering of writing to the SPQ element |
| 1644 | * and updating of the SPQ producer which involves a memory |
| 1645 | * read and we will have to put a full memory barrier there |
| 1646 | * (inside bnx2x_sp_post()). |
| 1647 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1648 | |
| 1649 | rc = bnx2x_sp_post(bp, o->ramrod_cmd, r->cid, |
| 1650 | U64_HI(r->rdata_mapping), |
| 1651 | U64_LO(r->rdata_mapping), |
| 1652 | ETH_CONNECTION_TYPE); |
| 1653 | if (rc) |
| 1654 | goto error_exit; |
| 1655 | } |
| 1656 | |
| 1657 | /* Now, when we are done with the ramrod - clean up the registry */ |
| 1658 | list_for_each_entry(elem, exe_chunk, link) { |
| 1659 | cmd = elem->cmd_data.vlan_mac.cmd; |
| 1660 | if ((cmd == BNX2X_VLAN_MAC_DEL) || |
| 1661 | (cmd == BNX2X_VLAN_MAC_MOVE)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1662 | reg_elem = o->check_del(bp, o, |
| 1663 | &elem->cmd_data.vlan_mac.u); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1664 | |
| 1665 | WARN_ON(!reg_elem); |
| 1666 | |
| 1667 | o->put_cam_offset(o, reg_elem->cam_offset); |
| 1668 | list_del(®_elem->link); |
| 1669 | kfree(reg_elem); |
| 1670 | } |
| 1671 | } |
| 1672 | |
| 1673 | if (!drv_only) |
| 1674 | return 1; |
| 1675 | else |
| 1676 | return 0; |
| 1677 | |
| 1678 | error_exit: |
| 1679 | r->clear_pending(r); |
| 1680 | |
| 1681 | /* Cleanup a registry in case of a failure */ |
| 1682 | list_for_each_entry(elem, exe_chunk, link) { |
| 1683 | cmd = elem->cmd_data.vlan_mac.cmd; |
| 1684 | |
| 1685 | if (cmd == BNX2X_VLAN_MAC_MOVE) |
| 1686 | cam_obj = elem->cmd_data.vlan_mac.target_obj; |
| 1687 | else |
| 1688 | cam_obj = o; |
| 1689 | |
| 1690 | /* Delete all newly added above entries */ |
| 1691 | if (!restore && |
| 1692 | ((cmd == BNX2X_VLAN_MAC_ADD) || |
| 1693 | (cmd == BNX2X_VLAN_MAC_MOVE))) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1694 | reg_elem = o->check_del(bp, cam_obj, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1695 | &elem->cmd_data.vlan_mac.u); |
| 1696 | if (reg_elem) { |
| 1697 | list_del(®_elem->link); |
| 1698 | kfree(reg_elem); |
| 1699 | } |
| 1700 | } |
| 1701 | } |
| 1702 | |
| 1703 | return rc; |
| 1704 | } |
| 1705 | |
| 1706 | static inline int bnx2x_vlan_mac_push_new_cmd( |
| 1707 | struct bnx2x *bp, |
| 1708 | struct bnx2x_vlan_mac_ramrod_params *p) |
| 1709 | { |
| 1710 | struct bnx2x_exeq_elem *elem; |
| 1711 | struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj; |
| 1712 | bool restore = test_bit(RAMROD_RESTORE, &p->ramrod_flags); |
| 1713 | |
| 1714 | /* Allocate the execution queue element */ |
| 1715 | elem = bnx2x_exe_queue_alloc_elem(bp); |
| 1716 | if (!elem) |
| 1717 | return -ENOMEM; |
| 1718 | |
| 1719 | /* Set the command 'length' */ |
| 1720 | switch (p->user_req.cmd) { |
| 1721 | case BNX2X_VLAN_MAC_MOVE: |
| 1722 | elem->cmd_len = 2; |
| 1723 | break; |
| 1724 | default: |
| 1725 | elem->cmd_len = 1; |
| 1726 | } |
| 1727 | |
| 1728 | /* Fill the object specific info */ |
| 1729 | memcpy(&elem->cmd_data.vlan_mac, &p->user_req, sizeof(p->user_req)); |
| 1730 | |
| 1731 | /* Try to add a new command to the pending list */ |
| 1732 | return bnx2x_exe_queue_add(bp, &o->exe_queue, elem, restore); |
| 1733 | } |
| 1734 | |
| 1735 | /** |
| 1736 | * bnx2x_config_vlan_mac - configure VLAN/MAC/VLAN_MAC filtering rules. |
| 1737 | * |
| 1738 | * @bp: device handle |
| 1739 | * @p: |
| 1740 | * |
| 1741 | */ |
| 1742 | int bnx2x_config_vlan_mac( |
| 1743 | struct bnx2x *bp, |
| 1744 | struct bnx2x_vlan_mac_ramrod_params *p) |
| 1745 | { |
| 1746 | int rc = 0; |
| 1747 | struct bnx2x_vlan_mac_obj *o = p->vlan_mac_obj; |
| 1748 | unsigned long *ramrod_flags = &p->ramrod_flags; |
| 1749 | bool cont = test_bit(RAMROD_CONT, ramrod_flags); |
| 1750 | struct bnx2x_raw_obj *raw = &o->raw; |
| 1751 | |
| 1752 | /* |
| 1753 | * Add new elements to the execution list for commands that require it. |
| 1754 | */ |
| 1755 | if (!cont) { |
| 1756 | rc = bnx2x_vlan_mac_push_new_cmd(bp, p); |
| 1757 | if (rc) |
| 1758 | return rc; |
| 1759 | } |
| 1760 | |
| 1761 | /* |
| 1762 | * If nothing will be executed further in this iteration we want to |
| 1763 | * return PENDING if there are pending commands |
| 1764 | */ |
| 1765 | if (!bnx2x_exe_queue_empty(&o->exe_queue)) |
| 1766 | rc = 1; |
| 1767 | |
Vladislav Zolotarov | 7961689 | 2011-07-21 07:58:54 +0000 | [diff] [blame] | 1768 | if (test_bit(RAMROD_DRV_CLR_ONLY, ramrod_flags)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 1769 | DP(BNX2X_MSG_SP, "RAMROD_DRV_CLR_ONLY requested: clearing a pending bit.\n"); |
Vladislav Zolotarov | 7961689 | 2011-07-21 07:58:54 +0000 | [diff] [blame] | 1770 | raw->clear_pending(raw); |
| 1771 | } |
| 1772 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1773 | /* Execute commands if required */ |
| 1774 | if (cont || test_bit(RAMROD_EXEC, ramrod_flags) || |
| 1775 | test_bit(RAMROD_COMP_WAIT, ramrod_flags)) { |
| 1776 | rc = bnx2x_exe_queue_step(bp, &o->exe_queue, ramrod_flags); |
| 1777 | if (rc < 0) |
| 1778 | return rc; |
| 1779 | } |
| 1780 | |
| 1781 | /* |
| 1782 | * RAMROD_COMP_WAIT is a superset of RAMROD_EXEC. If it was set |
| 1783 | * then user want to wait until the last command is done. |
| 1784 | */ |
| 1785 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) { |
| 1786 | /* |
| 1787 | * Wait maximum for the current exe_queue length iterations plus |
| 1788 | * one (for the current pending command). |
| 1789 | */ |
| 1790 | int max_iterations = bnx2x_exe_queue_length(&o->exe_queue) + 1; |
| 1791 | |
| 1792 | while (!bnx2x_exe_queue_empty(&o->exe_queue) && |
| 1793 | max_iterations--) { |
| 1794 | |
| 1795 | /* Wait for the current command to complete */ |
| 1796 | rc = raw->wait_comp(bp, raw); |
| 1797 | if (rc) |
| 1798 | return rc; |
| 1799 | |
| 1800 | /* Make a next step */ |
| 1801 | rc = bnx2x_exe_queue_step(bp, &o->exe_queue, |
| 1802 | ramrod_flags); |
| 1803 | if (rc < 0) |
| 1804 | return rc; |
| 1805 | } |
| 1806 | |
| 1807 | return 0; |
| 1808 | } |
| 1809 | |
| 1810 | return rc; |
| 1811 | } |
| 1812 | |
| 1813 | |
| 1814 | |
| 1815 | /** |
| 1816 | * bnx2x_vlan_mac_del_all - delete elements with given vlan_mac_flags spec |
| 1817 | * |
| 1818 | * @bp: device handle |
| 1819 | * @o: |
| 1820 | * @vlan_mac_flags: |
| 1821 | * @ramrod_flags: execution flags to be used for this deletion |
| 1822 | * |
| 1823 | * if the last operation has completed successfully and there are no |
| 1824 | * moreelements left, positive value if the last operation has completed |
| 1825 | * successfully and there are more previously configured elements, negative |
| 1826 | * value is current operation has failed. |
| 1827 | */ |
| 1828 | static int bnx2x_vlan_mac_del_all(struct bnx2x *bp, |
| 1829 | struct bnx2x_vlan_mac_obj *o, |
| 1830 | unsigned long *vlan_mac_flags, |
| 1831 | unsigned long *ramrod_flags) |
| 1832 | { |
| 1833 | struct bnx2x_vlan_mac_registry_elem *pos = NULL; |
| 1834 | int rc = 0; |
| 1835 | struct bnx2x_vlan_mac_ramrod_params p; |
| 1836 | struct bnx2x_exe_queue_obj *exeq = &o->exe_queue; |
| 1837 | struct bnx2x_exeq_elem *exeq_pos, *exeq_pos_n; |
| 1838 | |
| 1839 | /* Clear pending commands first */ |
| 1840 | |
| 1841 | spin_lock_bh(&exeq->lock); |
| 1842 | |
| 1843 | list_for_each_entry_safe(exeq_pos, exeq_pos_n, &exeq->exe_queue, link) { |
| 1844 | if (exeq_pos->cmd_data.vlan_mac.vlan_mac_flags == |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 1845 | *vlan_mac_flags) { |
| 1846 | rc = exeq->remove(bp, exeq->owner, exeq_pos); |
| 1847 | if (rc) { |
| 1848 | BNX2X_ERR("Failed to remove command\n"); |
Dan Carpenter | a44acd5 | 2012-01-24 21:59:31 +0000 | [diff] [blame] | 1849 | spin_unlock_bh(&exeq->lock); |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 1850 | return rc; |
| 1851 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1852 | list_del(&exeq_pos->link); |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 1853 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1854 | } |
| 1855 | |
| 1856 | spin_unlock_bh(&exeq->lock); |
| 1857 | |
| 1858 | /* Prepare a command request */ |
| 1859 | memset(&p, 0, sizeof(p)); |
| 1860 | p.vlan_mac_obj = o; |
| 1861 | p.ramrod_flags = *ramrod_flags; |
| 1862 | p.user_req.cmd = BNX2X_VLAN_MAC_DEL; |
| 1863 | |
| 1864 | /* |
| 1865 | * Add all but the last VLAN-MAC to the execution queue without actually |
| 1866 | * execution anything. |
| 1867 | */ |
| 1868 | __clear_bit(RAMROD_COMP_WAIT, &p.ramrod_flags); |
| 1869 | __clear_bit(RAMROD_EXEC, &p.ramrod_flags); |
| 1870 | __clear_bit(RAMROD_CONT, &p.ramrod_flags); |
| 1871 | |
| 1872 | list_for_each_entry(pos, &o->head, link) { |
| 1873 | if (pos->vlan_mac_flags == *vlan_mac_flags) { |
| 1874 | p.user_req.vlan_mac_flags = pos->vlan_mac_flags; |
| 1875 | memcpy(&p.user_req.u, &pos->u, sizeof(pos->u)); |
| 1876 | rc = bnx2x_config_vlan_mac(bp, &p); |
| 1877 | if (rc < 0) { |
| 1878 | BNX2X_ERR("Failed to add a new DEL command\n"); |
| 1879 | return rc; |
| 1880 | } |
| 1881 | } |
| 1882 | } |
| 1883 | |
| 1884 | p.ramrod_flags = *ramrod_flags; |
| 1885 | __set_bit(RAMROD_CONT, &p.ramrod_flags); |
| 1886 | |
| 1887 | return bnx2x_config_vlan_mac(bp, &p); |
| 1888 | } |
| 1889 | |
| 1890 | static inline void bnx2x_init_raw_obj(struct bnx2x_raw_obj *raw, u8 cl_id, |
| 1891 | u32 cid, u8 func_id, void *rdata, dma_addr_t rdata_mapping, int state, |
| 1892 | unsigned long *pstate, bnx2x_obj_type type) |
| 1893 | { |
| 1894 | raw->func_id = func_id; |
| 1895 | raw->cid = cid; |
| 1896 | raw->cl_id = cl_id; |
| 1897 | raw->rdata = rdata; |
| 1898 | raw->rdata_mapping = rdata_mapping; |
| 1899 | raw->state = state; |
| 1900 | raw->pstate = pstate; |
| 1901 | raw->obj_type = type; |
| 1902 | raw->check_pending = bnx2x_raw_check_pending; |
| 1903 | raw->clear_pending = bnx2x_raw_clear_pending; |
| 1904 | raw->set_pending = bnx2x_raw_set_pending; |
| 1905 | raw->wait_comp = bnx2x_raw_wait; |
| 1906 | } |
| 1907 | |
| 1908 | static inline void bnx2x_init_vlan_mac_common(struct bnx2x_vlan_mac_obj *o, |
| 1909 | u8 cl_id, u32 cid, u8 func_id, void *rdata, dma_addr_t rdata_mapping, |
| 1910 | int state, unsigned long *pstate, bnx2x_obj_type type, |
| 1911 | struct bnx2x_credit_pool_obj *macs_pool, |
| 1912 | struct bnx2x_credit_pool_obj *vlans_pool) |
| 1913 | { |
| 1914 | INIT_LIST_HEAD(&o->head); |
| 1915 | |
| 1916 | o->macs_pool = macs_pool; |
| 1917 | o->vlans_pool = vlans_pool; |
| 1918 | |
| 1919 | o->delete_all = bnx2x_vlan_mac_del_all; |
| 1920 | o->restore = bnx2x_vlan_mac_restore; |
| 1921 | o->complete = bnx2x_complete_vlan_mac; |
| 1922 | o->wait = bnx2x_wait_vlan_mac; |
| 1923 | |
| 1924 | bnx2x_init_raw_obj(&o->raw, cl_id, cid, func_id, rdata, rdata_mapping, |
| 1925 | state, pstate, type); |
| 1926 | } |
| 1927 | |
| 1928 | |
| 1929 | void bnx2x_init_mac_obj(struct bnx2x *bp, |
| 1930 | struct bnx2x_vlan_mac_obj *mac_obj, |
| 1931 | u8 cl_id, u32 cid, u8 func_id, void *rdata, |
| 1932 | dma_addr_t rdata_mapping, int state, |
| 1933 | unsigned long *pstate, bnx2x_obj_type type, |
| 1934 | struct bnx2x_credit_pool_obj *macs_pool) |
| 1935 | { |
| 1936 | union bnx2x_qable_obj *qable_obj = (union bnx2x_qable_obj *)mac_obj; |
| 1937 | |
| 1938 | bnx2x_init_vlan_mac_common(mac_obj, cl_id, cid, func_id, rdata, |
| 1939 | rdata_mapping, state, pstate, type, |
| 1940 | macs_pool, NULL); |
| 1941 | |
| 1942 | /* CAM credit pool handling */ |
| 1943 | mac_obj->get_credit = bnx2x_get_credit_mac; |
| 1944 | mac_obj->put_credit = bnx2x_put_credit_mac; |
| 1945 | mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac; |
| 1946 | mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac; |
| 1947 | |
| 1948 | if (CHIP_IS_E1x(bp)) { |
| 1949 | mac_obj->set_one_rule = bnx2x_set_one_mac_e1x; |
| 1950 | mac_obj->check_del = bnx2x_check_mac_del; |
| 1951 | mac_obj->check_add = bnx2x_check_mac_add; |
| 1952 | mac_obj->check_move = bnx2x_check_move_always_err; |
| 1953 | mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC; |
| 1954 | |
| 1955 | /* Exe Queue */ |
| 1956 | bnx2x_exe_queue_init(bp, |
| 1957 | &mac_obj->exe_queue, 1, qable_obj, |
| 1958 | bnx2x_validate_vlan_mac, |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 1959 | bnx2x_remove_vlan_mac, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1960 | bnx2x_optimize_vlan_mac, |
| 1961 | bnx2x_execute_vlan_mac, |
| 1962 | bnx2x_exeq_get_mac); |
| 1963 | } else { |
| 1964 | mac_obj->set_one_rule = bnx2x_set_one_mac_e2; |
| 1965 | mac_obj->check_del = bnx2x_check_mac_del; |
| 1966 | mac_obj->check_add = bnx2x_check_mac_add; |
| 1967 | mac_obj->check_move = bnx2x_check_move; |
| 1968 | mac_obj->ramrod_cmd = |
| 1969 | RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; |
Ariel Elior | ed5162a | 2011-12-05 21:52:24 +0000 | [diff] [blame] | 1970 | mac_obj->get_n_elements = bnx2x_get_n_elements; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1971 | |
| 1972 | /* Exe Queue */ |
| 1973 | bnx2x_exe_queue_init(bp, |
| 1974 | &mac_obj->exe_queue, CLASSIFY_RULES_COUNT, |
| 1975 | qable_obj, bnx2x_validate_vlan_mac, |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 1976 | bnx2x_remove_vlan_mac, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 1977 | bnx2x_optimize_vlan_mac, |
| 1978 | bnx2x_execute_vlan_mac, |
| 1979 | bnx2x_exeq_get_mac); |
| 1980 | } |
| 1981 | } |
| 1982 | |
| 1983 | void bnx2x_init_vlan_obj(struct bnx2x *bp, |
| 1984 | struct bnx2x_vlan_mac_obj *vlan_obj, |
| 1985 | u8 cl_id, u32 cid, u8 func_id, void *rdata, |
| 1986 | dma_addr_t rdata_mapping, int state, |
| 1987 | unsigned long *pstate, bnx2x_obj_type type, |
| 1988 | struct bnx2x_credit_pool_obj *vlans_pool) |
| 1989 | { |
| 1990 | union bnx2x_qable_obj *qable_obj = (union bnx2x_qable_obj *)vlan_obj; |
| 1991 | |
| 1992 | bnx2x_init_vlan_mac_common(vlan_obj, cl_id, cid, func_id, rdata, |
| 1993 | rdata_mapping, state, pstate, type, NULL, |
| 1994 | vlans_pool); |
| 1995 | |
| 1996 | vlan_obj->get_credit = bnx2x_get_credit_vlan; |
| 1997 | vlan_obj->put_credit = bnx2x_put_credit_vlan; |
| 1998 | vlan_obj->get_cam_offset = bnx2x_get_cam_offset_vlan; |
| 1999 | vlan_obj->put_cam_offset = bnx2x_put_cam_offset_vlan; |
| 2000 | |
| 2001 | if (CHIP_IS_E1x(bp)) { |
| 2002 | BNX2X_ERR("Do not support chips others than E2 and newer\n"); |
| 2003 | BUG(); |
| 2004 | } else { |
| 2005 | vlan_obj->set_one_rule = bnx2x_set_one_vlan_e2; |
| 2006 | vlan_obj->check_del = bnx2x_check_vlan_del; |
| 2007 | vlan_obj->check_add = bnx2x_check_vlan_add; |
| 2008 | vlan_obj->check_move = bnx2x_check_move; |
| 2009 | vlan_obj->ramrod_cmd = |
| 2010 | RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; |
| 2011 | |
| 2012 | /* Exe Queue */ |
| 2013 | bnx2x_exe_queue_init(bp, |
| 2014 | &vlan_obj->exe_queue, CLASSIFY_RULES_COUNT, |
| 2015 | qable_obj, bnx2x_validate_vlan_mac, |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 2016 | bnx2x_remove_vlan_mac, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2017 | bnx2x_optimize_vlan_mac, |
| 2018 | bnx2x_execute_vlan_mac, |
| 2019 | bnx2x_exeq_get_vlan); |
| 2020 | } |
| 2021 | } |
| 2022 | |
| 2023 | void bnx2x_init_vlan_mac_obj(struct bnx2x *bp, |
| 2024 | struct bnx2x_vlan_mac_obj *vlan_mac_obj, |
| 2025 | u8 cl_id, u32 cid, u8 func_id, void *rdata, |
| 2026 | dma_addr_t rdata_mapping, int state, |
| 2027 | unsigned long *pstate, bnx2x_obj_type type, |
| 2028 | struct bnx2x_credit_pool_obj *macs_pool, |
| 2029 | struct bnx2x_credit_pool_obj *vlans_pool) |
| 2030 | { |
| 2031 | union bnx2x_qable_obj *qable_obj = |
| 2032 | (union bnx2x_qable_obj *)vlan_mac_obj; |
| 2033 | |
| 2034 | bnx2x_init_vlan_mac_common(vlan_mac_obj, cl_id, cid, func_id, rdata, |
| 2035 | rdata_mapping, state, pstate, type, |
| 2036 | macs_pool, vlans_pool); |
| 2037 | |
| 2038 | /* CAM pool handling */ |
| 2039 | vlan_mac_obj->get_credit = bnx2x_get_credit_vlan_mac; |
| 2040 | vlan_mac_obj->put_credit = bnx2x_put_credit_vlan_mac; |
| 2041 | /* |
| 2042 | * CAM offset is relevant for 57710 and 57711 chips only which have a |
| 2043 | * single CAM for both MACs and VLAN-MAC pairs. So the offset |
| 2044 | * will be taken from MACs' pool object only. |
| 2045 | */ |
| 2046 | vlan_mac_obj->get_cam_offset = bnx2x_get_cam_offset_mac; |
| 2047 | vlan_mac_obj->put_cam_offset = bnx2x_put_cam_offset_mac; |
| 2048 | |
| 2049 | if (CHIP_IS_E1(bp)) { |
| 2050 | BNX2X_ERR("Do not support chips others than E2\n"); |
| 2051 | BUG(); |
| 2052 | } else if (CHIP_IS_E1H(bp)) { |
| 2053 | vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e1h; |
| 2054 | vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del; |
| 2055 | vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add; |
| 2056 | vlan_mac_obj->check_move = bnx2x_check_move_always_err; |
| 2057 | vlan_mac_obj->ramrod_cmd = RAMROD_CMD_ID_ETH_SET_MAC; |
| 2058 | |
| 2059 | /* Exe Queue */ |
| 2060 | bnx2x_exe_queue_init(bp, |
| 2061 | &vlan_mac_obj->exe_queue, 1, qable_obj, |
| 2062 | bnx2x_validate_vlan_mac, |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 2063 | bnx2x_remove_vlan_mac, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2064 | bnx2x_optimize_vlan_mac, |
| 2065 | bnx2x_execute_vlan_mac, |
| 2066 | bnx2x_exeq_get_vlan_mac); |
| 2067 | } else { |
| 2068 | vlan_mac_obj->set_one_rule = bnx2x_set_one_vlan_mac_e2; |
| 2069 | vlan_mac_obj->check_del = bnx2x_check_vlan_mac_del; |
| 2070 | vlan_mac_obj->check_add = bnx2x_check_vlan_mac_add; |
| 2071 | vlan_mac_obj->check_move = bnx2x_check_move; |
| 2072 | vlan_mac_obj->ramrod_cmd = |
| 2073 | RAMROD_CMD_ID_ETH_CLASSIFICATION_RULES; |
| 2074 | |
| 2075 | /* Exe Queue */ |
| 2076 | bnx2x_exe_queue_init(bp, |
| 2077 | &vlan_mac_obj->exe_queue, |
| 2078 | CLASSIFY_RULES_COUNT, |
| 2079 | qable_obj, bnx2x_validate_vlan_mac, |
Yuval Mintz | 460a25c | 2012-01-23 07:31:51 +0000 | [diff] [blame] | 2080 | bnx2x_remove_vlan_mac, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2081 | bnx2x_optimize_vlan_mac, |
| 2082 | bnx2x_execute_vlan_mac, |
| 2083 | bnx2x_exeq_get_vlan_mac); |
| 2084 | } |
| 2085 | |
| 2086 | } |
| 2087 | |
| 2088 | /* RX_MODE verbs: DROP_ALL/ACCEPT_ALL/ACCEPT_ALL_MULTI/ACCEPT_ALL_VLAN/NORMAL */ |
| 2089 | static inline void __storm_memset_mac_filters(struct bnx2x *bp, |
| 2090 | struct tstorm_eth_mac_filter_config *mac_filters, |
| 2091 | u16 pf_id) |
| 2092 | { |
| 2093 | size_t size = sizeof(struct tstorm_eth_mac_filter_config); |
| 2094 | |
| 2095 | u32 addr = BAR_TSTRORM_INTMEM + |
| 2096 | TSTORM_MAC_FILTER_CONFIG_OFFSET(pf_id); |
| 2097 | |
| 2098 | __storm_memset_struct(bp, addr, size, (u32 *)mac_filters); |
| 2099 | } |
| 2100 | |
| 2101 | static int bnx2x_set_rx_mode_e1x(struct bnx2x *bp, |
| 2102 | struct bnx2x_rx_mode_ramrod_params *p) |
| 2103 | { |
| 2104 | /* update the bp MAC filter structure */ |
| 2105 | u32 mask = (1 << p->cl_id); |
| 2106 | |
| 2107 | struct tstorm_eth_mac_filter_config *mac_filters = |
| 2108 | (struct tstorm_eth_mac_filter_config *)p->rdata; |
| 2109 | |
| 2110 | /* initial seeting is drop-all */ |
| 2111 | u8 drop_all_ucast = 1, drop_all_mcast = 1; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2112 | u8 accp_all_ucast = 0, accp_all_bcast = 0, accp_all_mcast = 0; |
| 2113 | u8 unmatched_unicast = 0; |
| 2114 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2115 | /* In e1x there we only take into account rx acceot flag since tx switching |
| 2116 | * isn't enabled. */ |
| 2117 | if (test_bit(BNX2X_ACCEPT_UNICAST, &p->rx_accept_flags)) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2118 | /* accept matched ucast */ |
| 2119 | drop_all_ucast = 0; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2120 | |
| 2121 | if (test_bit(BNX2X_ACCEPT_MULTICAST, &p->rx_accept_flags)) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2122 | /* accept matched mcast */ |
| 2123 | drop_all_mcast = 0; |
| 2124 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2125 | if (test_bit(BNX2X_ACCEPT_ALL_UNICAST, &p->rx_accept_flags)) { |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2126 | /* accept all mcast */ |
| 2127 | drop_all_ucast = 0; |
| 2128 | accp_all_ucast = 1; |
| 2129 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2130 | if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST, &p->rx_accept_flags)) { |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2131 | /* accept all mcast */ |
| 2132 | drop_all_mcast = 0; |
| 2133 | accp_all_mcast = 1; |
| 2134 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2135 | if (test_bit(BNX2X_ACCEPT_BROADCAST, &p->rx_accept_flags)) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2136 | /* accept (all) bcast */ |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2137 | accp_all_bcast = 1; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2138 | if (test_bit(BNX2X_ACCEPT_UNMATCHED, &p->rx_accept_flags)) |
| 2139 | /* accept unmatched unicasts */ |
| 2140 | unmatched_unicast = 1; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2141 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2142 | mac_filters->ucast_drop_all = drop_all_ucast ? |
| 2143 | mac_filters->ucast_drop_all | mask : |
| 2144 | mac_filters->ucast_drop_all & ~mask; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2145 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2146 | mac_filters->mcast_drop_all = drop_all_mcast ? |
| 2147 | mac_filters->mcast_drop_all | mask : |
| 2148 | mac_filters->mcast_drop_all & ~mask; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2149 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2150 | mac_filters->ucast_accept_all = accp_all_ucast ? |
| 2151 | mac_filters->ucast_accept_all | mask : |
| 2152 | mac_filters->ucast_accept_all & ~mask; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2153 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2154 | mac_filters->mcast_accept_all = accp_all_mcast ? |
| 2155 | mac_filters->mcast_accept_all | mask : |
| 2156 | mac_filters->mcast_accept_all & ~mask; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2157 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2158 | mac_filters->bcast_accept_all = accp_all_bcast ? |
| 2159 | mac_filters->bcast_accept_all | mask : |
| 2160 | mac_filters->bcast_accept_all & ~mask; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2161 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2162 | mac_filters->unmatched_unicast = unmatched_unicast ? |
| 2163 | mac_filters->unmatched_unicast | mask : |
| 2164 | mac_filters->unmatched_unicast & ~mask; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2165 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2166 | DP(BNX2X_MSG_SP, "drop_ucast 0x%x\ndrop_mcast 0x%x\n accp_ucast 0x%x\n" |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 2167 | "accp_mcast 0x%x\naccp_bcast 0x%x\n", |
| 2168 | mac_filters->ucast_drop_all, mac_filters->mcast_drop_all, |
| 2169 | mac_filters->ucast_accept_all, mac_filters->mcast_accept_all, |
| 2170 | mac_filters->bcast_accept_all); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2171 | |
| 2172 | /* write the MAC filter structure*/ |
| 2173 | __storm_memset_mac_filters(bp, mac_filters, p->func_id); |
| 2174 | |
| 2175 | /* The operation is completed */ |
| 2176 | clear_bit(p->state, p->pstate); |
| 2177 | smp_mb__after_clear_bit(); |
| 2178 | |
| 2179 | return 0; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2180 | } |
| 2181 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2182 | /* Setup ramrod data */ |
| 2183 | static inline void bnx2x_rx_mode_set_rdata_hdr_e2(u32 cid, |
| 2184 | struct eth_classify_header *hdr, |
| 2185 | u8 rule_cnt) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2186 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2187 | hdr->echo = cid; |
| 2188 | hdr->rule_cnt = rule_cnt; |
| 2189 | } |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2190 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2191 | static inline void bnx2x_rx_mode_set_cmd_state_e2(struct bnx2x *bp, |
| 2192 | unsigned long accept_flags, |
| 2193 | struct eth_filter_rules_cmd *cmd, |
| 2194 | bool clear_accept_all) |
| 2195 | { |
| 2196 | u16 state; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2197 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2198 | /* start with 'drop-all' */ |
| 2199 | state = ETH_FILTER_RULES_CMD_UCAST_DROP_ALL | |
| 2200 | ETH_FILTER_RULES_CMD_MCAST_DROP_ALL; |
| 2201 | |
| 2202 | if (accept_flags) { |
| 2203 | if (test_bit(BNX2X_ACCEPT_UNICAST, &accept_flags)) |
| 2204 | state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL; |
| 2205 | |
| 2206 | if (test_bit(BNX2X_ACCEPT_MULTICAST, &accept_flags)) |
| 2207 | state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL; |
| 2208 | |
| 2209 | if (test_bit(BNX2X_ACCEPT_ALL_UNICAST, &accept_flags)) { |
| 2210 | state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL; |
| 2211 | state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2212 | } |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2213 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2214 | if (test_bit(BNX2X_ACCEPT_ALL_MULTICAST, &accept_flags)) { |
| 2215 | state |= ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL; |
| 2216 | state &= ~ETH_FILTER_RULES_CMD_MCAST_DROP_ALL; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2217 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2218 | if (test_bit(BNX2X_ACCEPT_BROADCAST, &accept_flags)) |
| 2219 | state |= ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2220 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2221 | if (test_bit(BNX2X_ACCEPT_UNMATCHED, &accept_flags)) { |
| 2222 | state &= ~ETH_FILTER_RULES_CMD_UCAST_DROP_ALL; |
| 2223 | state |= ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED; |
| 2224 | } |
| 2225 | if (test_bit(BNX2X_ACCEPT_ANY_VLAN, &accept_flags)) |
| 2226 | state |= ETH_FILTER_RULES_CMD_ACCEPT_ANY_VLAN; |
| 2227 | } |
| 2228 | |
| 2229 | /* Clear ACCEPT_ALL_XXX flags for FCoE L2 Queue */ |
| 2230 | if (clear_accept_all) { |
| 2231 | state &= ~ETH_FILTER_RULES_CMD_MCAST_ACCEPT_ALL; |
| 2232 | state &= ~ETH_FILTER_RULES_CMD_BCAST_ACCEPT_ALL; |
| 2233 | state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_ALL; |
| 2234 | state &= ~ETH_FILTER_RULES_CMD_UCAST_ACCEPT_UNMATCHED; |
| 2235 | } |
| 2236 | |
| 2237 | cmd->state = cpu_to_le16(state); |
| 2238 | |
| 2239 | } |
| 2240 | |
| 2241 | static int bnx2x_set_rx_mode_e2(struct bnx2x *bp, |
| 2242 | struct bnx2x_rx_mode_ramrod_params *p) |
| 2243 | { |
| 2244 | struct eth_filter_rules_ramrod_data *data = p->rdata; |
| 2245 | int rc; |
| 2246 | u8 rule_idx = 0; |
| 2247 | |
| 2248 | /* Reset the ramrod data buffer */ |
| 2249 | memset(data, 0, sizeof(*data)); |
| 2250 | |
| 2251 | /* Setup ramrod data */ |
| 2252 | |
| 2253 | /* Tx (internal switching) */ |
| 2254 | if (test_bit(RAMROD_TX, &p->ramrod_flags)) { |
| 2255 | data->rules[rule_idx].client_id = p->cl_id; |
| 2256 | data->rules[rule_idx].func_id = p->func_id; |
| 2257 | |
| 2258 | data->rules[rule_idx].cmd_general_data = |
| 2259 | ETH_FILTER_RULES_CMD_TX_CMD; |
| 2260 | |
| 2261 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->tx_accept_flags, |
| 2262 | &(data->rules[rule_idx++]), false); |
| 2263 | } |
| 2264 | |
| 2265 | /* Rx */ |
| 2266 | if (test_bit(RAMROD_RX, &p->ramrod_flags)) { |
| 2267 | data->rules[rule_idx].client_id = p->cl_id; |
| 2268 | data->rules[rule_idx].func_id = p->func_id; |
| 2269 | |
| 2270 | data->rules[rule_idx].cmd_general_data = |
| 2271 | ETH_FILTER_RULES_CMD_RX_CMD; |
| 2272 | |
| 2273 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->rx_accept_flags, |
| 2274 | &(data->rules[rule_idx++]), false); |
| 2275 | } |
| 2276 | |
| 2277 | |
| 2278 | /* |
| 2279 | * If FCoE Queue configuration has been requested configure the Rx and |
| 2280 | * internal switching modes for this queue in separate rules. |
| 2281 | * |
| 2282 | * FCoE queue shell never be set to ACCEPT_ALL packets of any sort: |
| 2283 | * MCAST_ALL, UCAST_ALL, BCAST_ALL and UNMATCHED. |
| 2284 | */ |
| 2285 | if (test_bit(BNX2X_RX_MODE_FCOE_ETH, &p->rx_mode_flags)) { |
| 2286 | /* Tx (internal switching) */ |
| 2287 | if (test_bit(RAMROD_TX, &p->ramrod_flags)) { |
| 2288 | data->rules[rule_idx].client_id = bnx2x_fcoe(bp, cl_id); |
| 2289 | data->rules[rule_idx].func_id = p->func_id; |
| 2290 | |
| 2291 | data->rules[rule_idx].cmd_general_data = |
| 2292 | ETH_FILTER_RULES_CMD_TX_CMD; |
| 2293 | |
| 2294 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->tx_accept_flags, |
| 2295 | &(data->rules[rule_idx++]), |
| 2296 | true); |
| 2297 | } |
| 2298 | |
| 2299 | /* Rx */ |
| 2300 | if (test_bit(RAMROD_RX, &p->ramrod_flags)) { |
| 2301 | data->rules[rule_idx].client_id = bnx2x_fcoe(bp, cl_id); |
| 2302 | data->rules[rule_idx].func_id = p->func_id; |
| 2303 | |
| 2304 | data->rules[rule_idx].cmd_general_data = |
| 2305 | ETH_FILTER_RULES_CMD_RX_CMD; |
| 2306 | |
| 2307 | bnx2x_rx_mode_set_cmd_state_e2(bp, p->rx_accept_flags, |
| 2308 | &(data->rules[rule_idx++]), |
| 2309 | true); |
| 2310 | } |
| 2311 | } |
| 2312 | |
| 2313 | /* |
| 2314 | * Set the ramrod header (most importantly - number of rules to |
| 2315 | * configure). |
| 2316 | */ |
| 2317 | bnx2x_rx_mode_set_rdata_hdr_e2(p->cid, &data->header, rule_idx); |
| 2318 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 2319 | DP(BNX2X_MSG_SP, "About to configure %d rules, rx_accept_flags 0x%lx, tx_accept_flags 0x%lx\n", |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2320 | data->header.rule_cnt, p->rx_accept_flags, |
| 2321 | p->tx_accept_flags); |
| 2322 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 2323 | /* |
| 2324 | * No need for an explicit memory barrier here as long we would |
| 2325 | * need to ensure the ordering of writing to the SPQ element |
| 2326 | * and updating of the SPQ producer which involves a memory |
| 2327 | * read and we will have to put a full memory barrier there |
| 2328 | * (inside bnx2x_sp_post()). |
| 2329 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2330 | |
| 2331 | /* Send a ramrod */ |
| 2332 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_FILTER_RULES, p->cid, |
| 2333 | U64_HI(p->rdata_mapping), |
| 2334 | U64_LO(p->rdata_mapping), |
| 2335 | ETH_CONNECTION_TYPE); |
| 2336 | if (rc) |
| 2337 | return rc; |
| 2338 | |
| 2339 | /* Ramrod completion is pending */ |
| 2340 | return 1; |
| 2341 | } |
| 2342 | |
| 2343 | static int bnx2x_wait_rx_mode_comp_e2(struct bnx2x *bp, |
| 2344 | struct bnx2x_rx_mode_ramrod_params *p) |
| 2345 | { |
| 2346 | return bnx2x_state_wait(bp, p->state, p->pstate); |
| 2347 | } |
| 2348 | |
| 2349 | static int bnx2x_empty_rx_mode_wait(struct bnx2x *bp, |
| 2350 | struct bnx2x_rx_mode_ramrod_params *p) |
| 2351 | { |
| 2352 | /* Do nothing */ |
| 2353 | return 0; |
| 2354 | } |
| 2355 | |
| 2356 | int bnx2x_config_rx_mode(struct bnx2x *bp, |
| 2357 | struct bnx2x_rx_mode_ramrod_params *p) |
| 2358 | { |
| 2359 | int rc; |
| 2360 | |
| 2361 | /* Configure the new classification in the chip */ |
| 2362 | rc = p->rx_mode_obj->config_rx_mode(bp, p); |
| 2363 | if (rc < 0) |
| 2364 | return rc; |
| 2365 | |
| 2366 | /* Wait for a ramrod completion if was requested */ |
| 2367 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) { |
| 2368 | rc = p->rx_mode_obj->wait_comp(bp, p); |
| 2369 | if (rc) |
| 2370 | return rc; |
| 2371 | } |
| 2372 | |
| 2373 | return rc; |
| 2374 | } |
| 2375 | |
| 2376 | void bnx2x_init_rx_mode_obj(struct bnx2x *bp, |
| 2377 | struct bnx2x_rx_mode_obj *o) |
| 2378 | { |
| 2379 | if (CHIP_IS_E1x(bp)) { |
| 2380 | o->wait_comp = bnx2x_empty_rx_mode_wait; |
| 2381 | o->config_rx_mode = bnx2x_set_rx_mode_e1x; |
| 2382 | } else { |
| 2383 | o->wait_comp = bnx2x_wait_rx_mode_comp_e2; |
| 2384 | o->config_rx_mode = bnx2x_set_rx_mode_e2; |
| 2385 | } |
| 2386 | } |
| 2387 | |
| 2388 | /********************* Multicast verbs: SET, CLEAR ****************************/ |
| 2389 | static inline u8 bnx2x_mcast_bin_from_mac(u8 *mac) |
| 2390 | { |
| 2391 | return (crc32c_le(0, mac, ETH_ALEN) >> 24) & 0xff; |
| 2392 | } |
| 2393 | |
| 2394 | struct bnx2x_mcast_mac_elem { |
| 2395 | struct list_head link; |
| 2396 | u8 mac[ETH_ALEN]; |
| 2397 | u8 pad[2]; /* For a natural alignment of the following buffer */ |
| 2398 | }; |
| 2399 | |
| 2400 | struct bnx2x_pending_mcast_cmd { |
| 2401 | struct list_head link; |
| 2402 | int type; /* BNX2X_MCAST_CMD_X */ |
| 2403 | union { |
| 2404 | struct list_head macs_head; |
| 2405 | u32 macs_num; /* Needed for DEL command */ |
| 2406 | int next_bin; /* Needed for RESTORE flow with aprox match */ |
| 2407 | } data; |
| 2408 | |
| 2409 | bool done; /* set to true, when the command has been handled, |
| 2410 | * practically used in 57712 handling only, where one pending |
| 2411 | * command may be handled in a few operations. As long as for |
| 2412 | * other chips every operation handling is completed in a |
| 2413 | * single ramrod, there is no need to utilize this field. |
| 2414 | */ |
| 2415 | }; |
| 2416 | |
| 2417 | static int bnx2x_mcast_wait(struct bnx2x *bp, |
| 2418 | struct bnx2x_mcast_obj *o) |
| 2419 | { |
| 2420 | if (bnx2x_state_wait(bp, o->sched_state, o->raw.pstate) || |
| 2421 | o->raw.wait_comp(bp, &o->raw)) |
| 2422 | return -EBUSY; |
| 2423 | |
| 2424 | return 0; |
| 2425 | } |
| 2426 | |
| 2427 | static int bnx2x_mcast_enqueue_cmd(struct bnx2x *bp, |
| 2428 | struct bnx2x_mcast_obj *o, |
| 2429 | struct bnx2x_mcast_ramrod_params *p, |
| 2430 | int cmd) |
| 2431 | { |
| 2432 | int total_sz; |
| 2433 | struct bnx2x_pending_mcast_cmd *new_cmd; |
| 2434 | struct bnx2x_mcast_mac_elem *cur_mac = NULL; |
| 2435 | struct bnx2x_mcast_list_elem *pos; |
| 2436 | int macs_list_len = ((cmd == BNX2X_MCAST_CMD_ADD) ? |
| 2437 | p->mcast_list_len : 0); |
| 2438 | |
| 2439 | /* If the command is empty ("handle pending commands only"), break */ |
| 2440 | if (!p->mcast_list_len) |
| 2441 | return 0; |
| 2442 | |
| 2443 | total_sz = sizeof(*new_cmd) + |
| 2444 | macs_list_len * sizeof(struct bnx2x_mcast_mac_elem); |
| 2445 | |
| 2446 | /* Add mcast is called under spin_lock, thus calling with GFP_ATOMIC */ |
| 2447 | new_cmd = kzalloc(total_sz, GFP_ATOMIC); |
| 2448 | |
| 2449 | if (!new_cmd) |
| 2450 | return -ENOMEM; |
| 2451 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 2452 | DP(BNX2X_MSG_SP, "About to enqueue a new %d command. macs_list_len=%d\n", |
| 2453 | cmd, macs_list_len); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2454 | |
| 2455 | INIT_LIST_HEAD(&new_cmd->data.macs_head); |
| 2456 | |
| 2457 | new_cmd->type = cmd; |
| 2458 | new_cmd->done = false; |
| 2459 | |
| 2460 | switch (cmd) { |
| 2461 | case BNX2X_MCAST_CMD_ADD: |
| 2462 | cur_mac = (struct bnx2x_mcast_mac_elem *) |
| 2463 | ((u8 *)new_cmd + sizeof(*new_cmd)); |
| 2464 | |
| 2465 | /* Push the MACs of the current command into the pendig command |
| 2466 | * MACs list: FIFO |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2467 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2468 | list_for_each_entry(pos, &p->mcast_list, link) { |
| 2469 | memcpy(cur_mac->mac, pos->mac, ETH_ALEN); |
| 2470 | list_add_tail(&cur_mac->link, &new_cmd->data.macs_head); |
| 2471 | cur_mac++; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2472 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2473 | |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2474 | break; |
| 2475 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2476 | case BNX2X_MCAST_CMD_DEL: |
| 2477 | new_cmd->data.macs_num = p->mcast_list_len; |
| 2478 | break; |
| 2479 | |
| 2480 | case BNX2X_MCAST_CMD_RESTORE: |
| 2481 | new_cmd->data.next_bin = 0; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2482 | break; |
| 2483 | |
| 2484 | default: |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2485 | BNX2X_ERR("Unknown command: %d\n", cmd); |
| 2486 | return -EINVAL; |
| 2487 | } |
| 2488 | |
| 2489 | /* Push the new pending command to the tail of the pending list: FIFO */ |
| 2490 | list_add_tail(&new_cmd->link, &o->pending_cmds_head); |
| 2491 | |
| 2492 | o->set_sched(o); |
| 2493 | |
| 2494 | return 1; |
| 2495 | } |
| 2496 | |
| 2497 | /** |
| 2498 | * bnx2x_mcast_get_next_bin - get the next set bin (index) |
| 2499 | * |
| 2500 | * @o: |
| 2501 | * @last: index to start looking from (including) |
| 2502 | * |
| 2503 | * returns the next found (set) bin or a negative value if none is found. |
| 2504 | */ |
| 2505 | static inline int bnx2x_mcast_get_next_bin(struct bnx2x_mcast_obj *o, int last) |
| 2506 | { |
| 2507 | int i, j, inner_start = last % BIT_VEC64_ELEM_SZ; |
| 2508 | |
| 2509 | for (i = last / BIT_VEC64_ELEM_SZ; i < BNX2X_MCAST_VEC_SZ; i++) { |
| 2510 | if (o->registry.aprox_match.vec[i]) |
| 2511 | for (j = inner_start; j < BIT_VEC64_ELEM_SZ; j++) { |
| 2512 | int cur_bit = j + BIT_VEC64_ELEM_SZ * i; |
| 2513 | if (BIT_VEC64_TEST_BIT(o->registry.aprox_match. |
| 2514 | vec, cur_bit)) { |
| 2515 | return cur_bit; |
| 2516 | } |
| 2517 | } |
| 2518 | inner_start = 0; |
| 2519 | } |
| 2520 | |
| 2521 | /* None found */ |
| 2522 | return -1; |
| 2523 | } |
| 2524 | |
| 2525 | /** |
| 2526 | * bnx2x_mcast_clear_first_bin - find the first set bin and clear it |
| 2527 | * |
| 2528 | * @o: |
| 2529 | * |
| 2530 | * returns the index of the found bin or -1 if none is found |
| 2531 | */ |
| 2532 | static inline int bnx2x_mcast_clear_first_bin(struct bnx2x_mcast_obj *o) |
| 2533 | { |
| 2534 | int cur_bit = bnx2x_mcast_get_next_bin(o, 0); |
| 2535 | |
| 2536 | if (cur_bit >= 0) |
| 2537 | BIT_VEC64_CLEAR_BIT(o->registry.aprox_match.vec, cur_bit); |
| 2538 | |
| 2539 | return cur_bit; |
| 2540 | } |
| 2541 | |
| 2542 | static inline u8 bnx2x_mcast_get_rx_tx_flag(struct bnx2x_mcast_obj *o) |
| 2543 | { |
| 2544 | struct bnx2x_raw_obj *raw = &o->raw; |
| 2545 | u8 rx_tx_flag = 0; |
| 2546 | |
| 2547 | if ((raw->obj_type == BNX2X_OBJ_TYPE_TX) || |
| 2548 | (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX)) |
| 2549 | rx_tx_flag |= ETH_MULTICAST_RULES_CMD_TX_CMD; |
| 2550 | |
| 2551 | if ((raw->obj_type == BNX2X_OBJ_TYPE_RX) || |
| 2552 | (raw->obj_type == BNX2X_OBJ_TYPE_RX_TX)) |
| 2553 | rx_tx_flag |= ETH_MULTICAST_RULES_CMD_RX_CMD; |
| 2554 | |
| 2555 | return rx_tx_flag; |
| 2556 | } |
| 2557 | |
| 2558 | static void bnx2x_mcast_set_one_rule_e2(struct bnx2x *bp, |
| 2559 | struct bnx2x_mcast_obj *o, int idx, |
| 2560 | union bnx2x_mcast_config_data *cfg_data, |
| 2561 | int cmd) |
| 2562 | { |
| 2563 | struct bnx2x_raw_obj *r = &o->raw; |
| 2564 | struct eth_multicast_rules_ramrod_data *data = |
| 2565 | (struct eth_multicast_rules_ramrod_data *)(r->rdata); |
| 2566 | u8 func_id = r->func_id; |
| 2567 | u8 rx_tx_add_flag = bnx2x_mcast_get_rx_tx_flag(o); |
| 2568 | int bin; |
| 2569 | |
| 2570 | if ((cmd == BNX2X_MCAST_CMD_ADD) || (cmd == BNX2X_MCAST_CMD_RESTORE)) |
| 2571 | rx_tx_add_flag |= ETH_MULTICAST_RULES_CMD_IS_ADD; |
| 2572 | |
| 2573 | data->rules[idx].cmd_general_data |= rx_tx_add_flag; |
| 2574 | |
| 2575 | /* Get a bin and update a bins' vector */ |
| 2576 | switch (cmd) { |
| 2577 | case BNX2X_MCAST_CMD_ADD: |
| 2578 | bin = bnx2x_mcast_bin_from_mac(cfg_data->mac); |
| 2579 | BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, bin); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2580 | break; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2581 | |
| 2582 | case BNX2X_MCAST_CMD_DEL: |
| 2583 | /* If there were no more bins to clear |
| 2584 | * (bnx2x_mcast_clear_first_bin() returns -1) then we would |
| 2585 | * clear any (0xff) bin. |
| 2586 | * See bnx2x_mcast_validate_e2() for explanation when it may |
| 2587 | * happen. |
| 2588 | */ |
| 2589 | bin = bnx2x_mcast_clear_first_bin(o); |
| 2590 | break; |
| 2591 | |
| 2592 | case BNX2X_MCAST_CMD_RESTORE: |
| 2593 | bin = cfg_data->bin; |
| 2594 | break; |
| 2595 | |
| 2596 | default: |
| 2597 | BNX2X_ERR("Unknown command: %d\n", cmd); |
| 2598 | return; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2599 | } |
| 2600 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2601 | DP(BNX2X_MSG_SP, "%s bin %d\n", |
| 2602 | ((rx_tx_add_flag & ETH_MULTICAST_RULES_CMD_IS_ADD) ? |
| 2603 | "Setting" : "Clearing"), bin); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2604 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2605 | data->rules[idx].bin_id = (u8)bin; |
| 2606 | data->rules[idx].func_id = func_id; |
| 2607 | data->rules[idx].engine_id = o->engine_id; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2608 | } |
| 2609 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2610 | /** |
| 2611 | * bnx2x_mcast_handle_restore_cmd_e2 - restore configuration from the registry |
| 2612 | * |
| 2613 | * @bp: device handle |
| 2614 | * @o: |
| 2615 | * @start_bin: index in the registry to start from (including) |
| 2616 | * @rdata_idx: index in the ramrod data to start from |
| 2617 | * |
| 2618 | * returns last handled bin index or -1 if all bins have been handled |
| 2619 | */ |
| 2620 | static inline int bnx2x_mcast_handle_restore_cmd_e2( |
| 2621 | struct bnx2x *bp, struct bnx2x_mcast_obj *o , int start_bin, |
| 2622 | int *rdata_idx) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2623 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2624 | int cur_bin, cnt = *rdata_idx; |
| 2625 | union bnx2x_mcast_config_data cfg_data = {0}; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2626 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2627 | /* go through the registry and configure the bins from it */ |
| 2628 | for (cur_bin = bnx2x_mcast_get_next_bin(o, start_bin); cur_bin >= 0; |
| 2629 | cur_bin = bnx2x_mcast_get_next_bin(o, cur_bin + 1)) { |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2630 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2631 | cfg_data.bin = (u8)cur_bin; |
| 2632 | o->set_one_rule(bp, o, cnt, &cfg_data, |
| 2633 | BNX2X_MCAST_CMD_RESTORE); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2634 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2635 | cnt++; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2636 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2637 | DP(BNX2X_MSG_SP, "About to configure a bin %d\n", cur_bin); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2638 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2639 | /* Break if we reached the maximum number |
| 2640 | * of rules. |
| 2641 | */ |
| 2642 | if (cnt >= o->max_cmd_len) |
| 2643 | break; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2644 | } |
| 2645 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2646 | *rdata_idx = cnt; |
| 2647 | |
| 2648 | return cur_bin; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2649 | } |
| 2650 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2651 | static inline void bnx2x_mcast_hdl_pending_add_e2(struct bnx2x *bp, |
| 2652 | struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos, |
| 2653 | int *line_idx) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2654 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2655 | struct bnx2x_mcast_mac_elem *pmac_pos, *pmac_pos_n; |
| 2656 | int cnt = *line_idx; |
| 2657 | union bnx2x_mcast_config_data cfg_data = {0}; |
| 2658 | |
| 2659 | list_for_each_entry_safe(pmac_pos, pmac_pos_n, &cmd_pos->data.macs_head, |
| 2660 | link) { |
| 2661 | |
| 2662 | cfg_data.mac = &pmac_pos->mac[0]; |
| 2663 | o->set_one_rule(bp, o, cnt, &cfg_data, cmd_pos->type); |
| 2664 | |
| 2665 | cnt++; |
| 2666 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 2667 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 2668 | pmac_pos->mac); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2669 | |
| 2670 | list_del(&pmac_pos->link); |
| 2671 | |
| 2672 | /* Break if we reached the maximum number |
| 2673 | * of rules. |
| 2674 | */ |
| 2675 | if (cnt >= o->max_cmd_len) |
| 2676 | break; |
| 2677 | } |
| 2678 | |
| 2679 | *line_idx = cnt; |
| 2680 | |
| 2681 | /* if no more MACs to configure - we are done */ |
| 2682 | if (list_empty(&cmd_pos->data.macs_head)) |
| 2683 | cmd_pos->done = true; |
| 2684 | } |
| 2685 | |
| 2686 | static inline void bnx2x_mcast_hdl_pending_del_e2(struct bnx2x *bp, |
| 2687 | struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos, |
| 2688 | int *line_idx) |
| 2689 | { |
| 2690 | int cnt = *line_idx; |
| 2691 | |
| 2692 | while (cmd_pos->data.macs_num) { |
| 2693 | o->set_one_rule(bp, o, cnt, NULL, cmd_pos->type); |
| 2694 | |
| 2695 | cnt++; |
| 2696 | |
| 2697 | cmd_pos->data.macs_num--; |
| 2698 | |
| 2699 | DP(BNX2X_MSG_SP, "Deleting MAC. %d left,cnt is %d\n", |
| 2700 | cmd_pos->data.macs_num, cnt); |
| 2701 | |
| 2702 | /* Break if we reached the maximum |
| 2703 | * number of rules. |
| 2704 | */ |
| 2705 | if (cnt >= o->max_cmd_len) |
| 2706 | break; |
| 2707 | } |
| 2708 | |
| 2709 | *line_idx = cnt; |
| 2710 | |
| 2711 | /* If we cleared all bins - we are done */ |
| 2712 | if (!cmd_pos->data.macs_num) |
| 2713 | cmd_pos->done = true; |
| 2714 | } |
| 2715 | |
| 2716 | static inline void bnx2x_mcast_hdl_pending_restore_e2(struct bnx2x *bp, |
| 2717 | struct bnx2x_mcast_obj *o, struct bnx2x_pending_mcast_cmd *cmd_pos, |
| 2718 | int *line_idx) |
| 2719 | { |
| 2720 | cmd_pos->data.next_bin = o->hdl_restore(bp, o, cmd_pos->data.next_bin, |
| 2721 | line_idx); |
| 2722 | |
| 2723 | if (cmd_pos->data.next_bin < 0) |
| 2724 | /* If o->set_restore returned -1 we are done */ |
| 2725 | cmd_pos->done = true; |
| 2726 | else |
| 2727 | /* Start from the next bin next time */ |
| 2728 | cmd_pos->data.next_bin++; |
| 2729 | } |
| 2730 | |
| 2731 | static inline int bnx2x_mcast_handle_pending_cmds_e2(struct bnx2x *bp, |
| 2732 | struct bnx2x_mcast_ramrod_params *p) |
| 2733 | { |
| 2734 | struct bnx2x_pending_mcast_cmd *cmd_pos, *cmd_pos_n; |
| 2735 | int cnt = 0; |
| 2736 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 2737 | |
| 2738 | list_for_each_entry_safe(cmd_pos, cmd_pos_n, &o->pending_cmds_head, |
| 2739 | link) { |
| 2740 | switch (cmd_pos->type) { |
| 2741 | case BNX2X_MCAST_CMD_ADD: |
| 2742 | bnx2x_mcast_hdl_pending_add_e2(bp, o, cmd_pos, &cnt); |
| 2743 | break; |
| 2744 | |
| 2745 | case BNX2X_MCAST_CMD_DEL: |
| 2746 | bnx2x_mcast_hdl_pending_del_e2(bp, o, cmd_pos, &cnt); |
| 2747 | break; |
| 2748 | |
| 2749 | case BNX2X_MCAST_CMD_RESTORE: |
| 2750 | bnx2x_mcast_hdl_pending_restore_e2(bp, o, cmd_pos, |
| 2751 | &cnt); |
| 2752 | break; |
| 2753 | |
| 2754 | default: |
| 2755 | BNX2X_ERR("Unknown command: %d\n", cmd_pos->type); |
| 2756 | return -EINVAL; |
| 2757 | } |
| 2758 | |
| 2759 | /* If the command has been completed - remove it from the list |
| 2760 | * and free the memory |
| 2761 | */ |
| 2762 | if (cmd_pos->done) { |
| 2763 | list_del(&cmd_pos->link); |
| 2764 | kfree(cmd_pos); |
| 2765 | } |
| 2766 | |
| 2767 | /* Break if we reached the maximum number of rules */ |
| 2768 | if (cnt >= o->max_cmd_len) |
| 2769 | break; |
| 2770 | } |
| 2771 | |
| 2772 | return cnt; |
| 2773 | } |
| 2774 | |
| 2775 | static inline void bnx2x_mcast_hdl_add(struct bnx2x *bp, |
| 2776 | struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p, |
| 2777 | int *line_idx) |
| 2778 | { |
| 2779 | struct bnx2x_mcast_list_elem *mlist_pos; |
| 2780 | union bnx2x_mcast_config_data cfg_data = {0}; |
| 2781 | int cnt = *line_idx; |
| 2782 | |
| 2783 | list_for_each_entry(mlist_pos, &p->mcast_list, link) { |
| 2784 | cfg_data.mac = mlist_pos->mac; |
| 2785 | o->set_one_rule(bp, o, cnt, &cfg_data, BNX2X_MCAST_CMD_ADD); |
| 2786 | |
| 2787 | cnt++; |
| 2788 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 2789 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
| 2790 | mlist_pos->mac); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2791 | } |
| 2792 | |
| 2793 | *line_idx = cnt; |
| 2794 | } |
| 2795 | |
| 2796 | static inline void bnx2x_mcast_hdl_del(struct bnx2x *bp, |
| 2797 | struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p, |
| 2798 | int *line_idx) |
| 2799 | { |
| 2800 | int cnt = *line_idx, i; |
| 2801 | |
| 2802 | for (i = 0; i < p->mcast_list_len; i++) { |
| 2803 | o->set_one_rule(bp, o, cnt, NULL, BNX2X_MCAST_CMD_DEL); |
| 2804 | |
| 2805 | cnt++; |
| 2806 | |
| 2807 | DP(BNX2X_MSG_SP, "Deleting MAC. %d left\n", |
| 2808 | p->mcast_list_len - i - 1); |
| 2809 | } |
| 2810 | |
| 2811 | *line_idx = cnt; |
| 2812 | } |
| 2813 | |
| 2814 | /** |
| 2815 | * bnx2x_mcast_handle_current_cmd - |
| 2816 | * |
| 2817 | * @bp: device handle |
| 2818 | * @p: |
| 2819 | * @cmd: |
| 2820 | * @start_cnt: first line in the ramrod data that may be used |
| 2821 | * |
| 2822 | * This function is called iff there is enough place for the current command in |
| 2823 | * the ramrod data. |
| 2824 | * Returns number of lines filled in the ramrod data in total. |
| 2825 | */ |
| 2826 | static inline int bnx2x_mcast_handle_current_cmd(struct bnx2x *bp, |
| 2827 | struct bnx2x_mcast_ramrod_params *p, int cmd, |
| 2828 | int start_cnt) |
| 2829 | { |
| 2830 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 2831 | int cnt = start_cnt; |
| 2832 | |
| 2833 | DP(BNX2X_MSG_SP, "p->mcast_list_len=%d\n", p->mcast_list_len); |
| 2834 | |
| 2835 | switch (cmd) { |
| 2836 | case BNX2X_MCAST_CMD_ADD: |
| 2837 | bnx2x_mcast_hdl_add(bp, o, p, &cnt); |
| 2838 | break; |
| 2839 | |
| 2840 | case BNX2X_MCAST_CMD_DEL: |
| 2841 | bnx2x_mcast_hdl_del(bp, o, p, &cnt); |
| 2842 | break; |
| 2843 | |
| 2844 | case BNX2X_MCAST_CMD_RESTORE: |
| 2845 | o->hdl_restore(bp, o, 0, &cnt); |
| 2846 | break; |
| 2847 | |
| 2848 | default: |
| 2849 | BNX2X_ERR("Unknown command: %d\n", cmd); |
| 2850 | return -EINVAL; |
| 2851 | } |
| 2852 | |
| 2853 | /* The current command has been handled */ |
| 2854 | p->mcast_list_len = 0; |
| 2855 | |
| 2856 | return cnt; |
| 2857 | } |
| 2858 | |
| 2859 | static int bnx2x_mcast_validate_e2(struct bnx2x *bp, |
| 2860 | struct bnx2x_mcast_ramrod_params *p, |
| 2861 | int cmd) |
| 2862 | { |
| 2863 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 2864 | int reg_sz = o->get_registry_size(o); |
| 2865 | |
| 2866 | switch (cmd) { |
| 2867 | /* DEL command deletes all currently configured MACs */ |
| 2868 | case BNX2X_MCAST_CMD_DEL: |
| 2869 | o->set_registry_size(o, 0); |
| 2870 | /* Don't break */ |
| 2871 | |
| 2872 | /* RESTORE command will restore the entire multicast configuration */ |
| 2873 | case BNX2X_MCAST_CMD_RESTORE: |
| 2874 | /* Here we set the approximate amount of work to do, which in |
| 2875 | * fact may be only less as some MACs in postponed ADD |
| 2876 | * command(s) scheduled before this command may fall into |
| 2877 | * the same bin and the actual number of bins set in the |
| 2878 | * registry would be less than we estimated here. See |
| 2879 | * bnx2x_mcast_set_one_rule_e2() for further details. |
| 2880 | */ |
| 2881 | p->mcast_list_len = reg_sz; |
| 2882 | break; |
| 2883 | |
| 2884 | case BNX2X_MCAST_CMD_ADD: |
| 2885 | case BNX2X_MCAST_CMD_CONT: |
| 2886 | /* Here we assume that all new MACs will fall into new bins. |
| 2887 | * However we will correct the real registry size after we |
| 2888 | * handle all pending commands. |
| 2889 | */ |
| 2890 | o->set_registry_size(o, reg_sz + p->mcast_list_len); |
| 2891 | break; |
| 2892 | |
| 2893 | default: |
| 2894 | BNX2X_ERR("Unknown command: %d\n", cmd); |
| 2895 | return -EINVAL; |
| 2896 | |
| 2897 | } |
| 2898 | |
| 2899 | /* Increase the total number of MACs pending to be configured */ |
| 2900 | o->total_pending_num += p->mcast_list_len; |
| 2901 | |
| 2902 | return 0; |
| 2903 | } |
| 2904 | |
| 2905 | static void bnx2x_mcast_revert_e2(struct bnx2x *bp, |
| 2906 | struct bnx2x_mcast_ramrod_params *p, |
| 2907 | int old_num_bins) |
| 2908 | { |
| 2909 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 2910 | |
| 2911 | o->set_registry_size(o, old_num_bins); |
| 2912 | o->total_pending_num -= p->mcast_list_len; |
| 2913 | } |
| 2914 | |
| 2915 | /** |
| 2916 | * bnx2x_mcast_set_rdata_hdr_e2 - sets a header values |
| 2917 | * |
| 2918 | * @bp: device handle |
| 2919 | * @p: |
| 2920 | * @len: number of rules to handle |
| 2921 | */ |
| 2922 | static inline void bnx2x_mcast_set_rdata_hdr_e2(struct bnx2x *bp, |
| 2923 | struct bnx2x_mcast_ramrod_params *p, |
| 2924 | u8 len) |
| 2925 | { |
| 2926 | struct bnx2x_raw_obj *r = &p->mcast_obj->raw; |
| 2927 | struct eth_multicast_rules_ramrod_data *data = |
| 2928 | (struct eth_multicast_rules_ramrod_data *)(r->rdata); |
| 2929 | |
| 2930 | data->header.echo = ((r->cid & BNX2X_SWCID_MASK) | |
| 2931 | (BNX2X_FILTER_MCAST_PENDING << BNX2X_SWCID_SHIFT)); |
| 2932 | data->header.rule_cnt = len; |
| 2933 | } |
| 2934 | |
| 2935 | /** |
| 2936 | * bnx2x_mcast_refresh_registry_e2 - recalculate the actual number of set bins |
| 2937 | * |
| 2938 | * @bp: device handle |
| 2939 | * @o: |
| 2940 | * |
| 2941 | * Recalculate the actual number of set bins in the registry using Brian |
| 2942 | * Kernighan's algorithm: it's execution complexity is as a number of set bins. |
| 2943 | * |
| 2944 | * returns 0 for the compliance with bnx2x_mcast_refresh_registry_e1(). |
| 2945 | */ |
| 2946 | static inline int bnx2x_mcast_refresh_registry_e2(struct bnx2x *bp, |
| 2947 | struct bnx2x_mcast_obj *o) |
| 2948 | { |
| 2949 | int i, cnt = 0; |
| 2950 | u64 elem; |
| 2951 | |
| 2952 | for (i = 0; i < BNX2X_MCAST_VEC_SZ; i++) { |
| 2953 | elem = o->registry.aprox_match.vec[i]; |
| 2954 | for (; elem; cnt++) |
| 2955 | elem &= elem - 1; |
| 2956 | } |
| 2957 | |
| 2958 | o->set_registry_size(o, cnt); |
| 2959 | |
| 2960 | return 0; |
| 2961 | } |
| 2962 | |
| 2963 | static int bnx2x_mcast_setup_e2(struct bnx2x *bp, |
| 2964 | struct bnx2x_mcast_ramrod_params *p, |
| 2965 | int cmd) |
| 2966 | { |
| 2967 | struct bnx2x_raw_obj *raw = &p->mcast_obj->raw; |
| 2968 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 2969 | struct eth_multicast_rules_ramrod_data *data = |
| 2970 | (struct eth_multicast_rules_ramrod_data *)(raw->rdata); |
| 2971 | int cnt = 0, rc; |
| 2972 | |
| 2973 | /* Reset the ramrod data buffer */ |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 2974 | memset(data, 0, sizeof(*data)); |
| 2975 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 2976 | cnt = bnx2x_mcast_handle_pending_cmds_e2(bp, p); |
| 2977 | |
| 2978 | /* If there are no more pending commands - clear SCHEDULED state */ |
| 2979 | if (list_empty(&o->pending_cmds_head)) |
| 2980 | o->clear_sched(o); |
| 2981 | |
| 2982 | /* The below may be true iff there was enough room in ramrod |
| 2983 | * data for all pending commands and for the current |
| 2984 | * command. Otherwise the current command would have been added |
| 2985 | * to the pending commands and p->mcast_list_len would have been |
| 2986 | * zeroed. |
| 2987 | */ |
| 2988 | if (p->mcast_list_len > 0) |
| 2989 | cnt = bnx2x_mcast_handle_current_cmd(bp, p, cmd, cnt); |
| 2990 | |
| 2991 | /* We've pulled out some MACs - update the total number of |
| 2992 | * outstanding. |
| 2993 | */ |
| 2994 | o->total_pending_num -= cnt; |
| 2995 | |
| 2996 | /* send a ramrod */ |
| 2997 | WARN_ON(o->total_pending_num < 0); |
| 2998 | WARN_ON(cnt > o->max_cmd_len); |
| 2999 | |
| 3000 | bnx2x_mcast_set_rdata_hdr_e2(bp, p, (u8)cnt); |
| 3001 | |
| 3002 | /* Update a registry size if there are no more pending operations. |
| 3003 | * |
| 3004 | * We don't want to change the value of the registry size if there are |
| 3005 | * pending operations because we want it to always be equal to the |
| 3006 | * exact or the approximate number (see bnx2x_mcast_validate_e2()) of |
| 3007 | * set bins after the last requested operation in order to properly |
| 3008 | * evaluate the size of the next DEL/RESTORE operation. |
| 3009 | * |
| 3010 | * Note that we update the registry itself during command(s) handling |
| 3011 | * - see bnx2x_mcast_set_one_rule_e2(). That's because for 57712 we |
| 3012 | * aggregate multiple commands (ADD/DEL/RESTORE) into one ramrod but |
| 3013 | * with a limited amount of update commands (per MAC/bin) and we don't |
| 3014 | * know in this scope what the actual state of bins configuration is |
| 3015 | * going to be after this ramrod. |
| 3016 | */ |
| 3017 | if (!o->total_pending_num) |
| 3018 | bnx2x_mcast_refresh_registry_e2(bp, o); |
| 3019 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 3020 | /* |
| 3021 | * If CLEAR_ONLY was requested - don't send a ramrod and clear |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3022 | * RAMROD_PENDING status immediately. |
| 3023 | */ |
| 3024 | if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { |
| 3025 | raw->clear_pending(raw); |
| 3026 | return 0; |
| 3027 | } else { |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 3028 | /* |
| 3029 | * No need for an explicit memory barrier here as long we would |
| 3030 | * need to ensure the ordering of writing to the SPQ element |
| 3031 | * and updating of the SPQ producer which involves a memory |
| 3032 | * read and we will have to put a full memory barrier there |
| 3033 | * (inside bnx2x_sp_post()). |
| 3034 | */ |
| 3035 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3036 | /* Send a ramrod */ |
| 3037 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_MULTICAST_RULES, |
| 3038 | raw->cid, U64_HI(raw->rdata_mapping), |
| 3039 | U64_LO(raw->rdata_mapping), |
| 3040 | ETH_CONNECTION_TYPE); |
| 3041 | if (rc) |
| 3042 | return rc; |
| 3043 | |
| 3044 | /* Ramrod completion is pending */ |
| 3045 | return 1; |
| 3046 | } |
| 3047 | } |
| 3048 | |
| 3049 | static int bnx2x_mcast_validate_e1h(struct bnx2x *bp, |
| 3050 | struct bnx2x_mcast_ramrod_params *p, |
| 3051 | int cmd) |
| 3052 | { |
| 3053 | /* Mark, that there is a work to do */ |
| 3054 | if ((cmd == BNX2X_MCAST_CMD_DEL) || (cmd == BNX2X_MCAST_CMD_RESTORE)) |
| 3055 | p->mcast_list_len = 1; |
| 3056 | |
| 3057 | return 0; |
| 3058 | } |
| 3059 | |
| 3060 | static void bnx2x_mcast_revert_e1h(struct bnx2x *bp, |
| 3061 | struct bnx2x_mcast_ramrod_params *p, |
| 3062 | int old_num_bins) |
| 3063 | { |
| 3064 | /* Do nothing */ |
| 3065 | } |
| 3066 | |
| 3067 | #define BNX2X_57711_SET_MC_FILTER(filter, bit) \ |
| 3068 | do { \ |
| 3069 | (filter)[(bit) >> 5] |= (1 << ((bit) & 0x1f)); \ |
| 3070 | } while (0) |
| 3071 | |
| 3072 | static inline void bnx2x_mcast_hdl_add_e1h(struct bnx2x *bp, |
| 3073 | struct bnx2x_mcast_obj *o, |
| 3074 | struct bnx2x_mcast_ramrod_params *p, |
| 3075 | u32 *mc_filter) |
| 3076 | { |
| 3077 | struct bnx2x_mcast_list_elem *mlist_pos; |
| 3078 | int bit; |
| 3079 | |
| 3080 | list_for_each_entry(mlist_pos, &p->mcast_list, link) { |
| 3081 | bit = bnx2x_mcast_bin_from_mac(mlist_pos->mac); |
| 3082 | BNX2X_57711_SET_MC_FILTER(mc_filter, bit); |
| 3083 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 3084 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC, bin %d\n", |
| 3085 | mlist_pos->mac, bit); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3086 | |
| 3087 | /* bookkeeping... */ |
| 3088 | BIT_VEC64_SET_BIT(o->registry.aprox_match.vec, |
| 3089 | bit); |
| 3090 | } |
| 3091 | } |
| 3092 | |
| 3093 | static inline void bnx2x_mcast_hdl_restore_e1h(struct bnx2x *bp, |
| 3094 | struct bnx2x_mcast_obj *o, struct bnx2x_mcast_ramrod_params *p, |
| 3095 | u32 *mc_filter) |
| 3096 | { |
| 3097 | int bit; |
| 3098 | |
| 3099 | for (bit = bnx2x_mcast_get_next_bin(o, 0); |
| 3100 | bit >= 0; |
| 3101 | bit = bnx2x_mcast_get_next_bin(o, bit + 1)) { |
| 3102 | BNX2X_57711_SET_MC_FILTER(mc_filter, bit); |
| 3103 | DP(BNX2X_MSG_SP, "About to set bin %d\n", bit); |
| 3104 | } |
| 3105 | } |
| 3106 | |
| 3107 | /* On 57711 we write the multicast MACs' aproximate match |
| 3108 | * table by directly into the TSTORM's internal RAM. So we don't |
| 3109 | * really need to handle any tricks to make it work. |
| 3110 | */ |
| 3111 | static int bnx2x_mcast_setup_e1h(struct bnx2x *bp, |
| 3112 | struct bnx2x_mcast_ramrod_params *p, |
| 3113 | int cmd) |
| 3114 | { |
| 3115 | int i; |
| 3116 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 3117 | struct bnx2x_raw_obj *r = &o->raw; |
| 3118 | |
| 3119 | /* If CLEAR_ONLY has been requested - clear the registry |
| 3120 | * and clear a pending bit. |
| 3121 | */ |
| 3122 | if (!test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { |
| 3123 | u32 mc_filter[MC_HASH_SIZE] = {0}; |
| 3124 | |
| 3125 | /* Set the multicast filter bits before writing it into |
| 3126 | * the internal memory. |
| 3127 | */ |
| 3128 | switch (cmd) { |
| 3129 | case BNX2X_MCAST_CMD_ADD: |
| 3130 | bnx2x_mcast_hdl_add_e1h(bp, o, p, mc_filter); |
| 3131 | break; |
| 3132 | |
| 3133 | case BNX2X_MCAST_CMD_DEL: |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 3134 | DP(BNX2X_MSG_SP, |
| 3135 | "Invalidating multicast MACs configuration\n"); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3136 | |
| 3137 | /* clear the registry */ |
| 3138 | memset(o->registry.aprox_match.vec, 0, |
| 3139 | sizeof(o->registry.aprox_match.vec)); |
| 3140 | break; |
| 3141 | |
| 3142 | case BNX2X_MCAST_CMD_RESTORE: |
| 3143 | bnx2x_mcast_hdl_restore_e1h(bp, o, p, mc_filter); |
| 3144 | break; |
| 3145 | |
| 3146 | default: |
| 3147 | BNX2X_ERR("Unknown command: %d\n", cmd); |
| 3148 | return -EINVAL; |
| 3149 | } |
| 3150 | |
| 3151 | /* Set the mcast filter in the internal memory */ |
| 3152 | for (i = 0; i < MC_HASH_SIZE; i++) |
| 3153 | REG_WR(bp, MC_HASH_OFFSET(bp, i), mc_filter[i]); |
| 3154 | } else |
| 3155 | /* clear the registry */ |
| 3156 | memset(o->registry.aprox_match.vec, 0, |
| 3157 | sizeof(o->registry.aprox_match.vec)); |
| 3158 | |
| 3159 | /* We are done */ |
| 3160 | r->clear_pending(r); |
| 3161 | |
| 3162 | return 0; |
| 3163 | } |
| 3164 | |
| 3165 | static int bnx2x_mcast_validate_e1(struct bnx2x *bp, |
| 3166 | struct bnx2x_mcast_ramrod_params *p, |
| 3167 | int cmd) |
| 3168 | { |
| 3169 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 3170 | int reg_sz = o->get_registry_size(o); |
| 3171 | |
| 3172 | switch (cmd) { |
| 3173 | /* DEL command deletes all currently configured MACs */ |
| 3174 | case BNX2X_MCAST_CMD_DEL: |
| 3175 | o->set_registry_size(o, 0); |
| 3176 | /* Don't break */ |
| 3177 | |
| 3178 | /* RESTORE command will restore the entire multicast configuration */ |
| 3179 | case BNX2X_MCAST_CMD_RESTORE: |
| 3180 | p->mcast_list_len = reg_sz; |
| 3181 | DP(BNX2X_MSG_SP, "Command %d, p->mcast_list_len=%d\n", |
| 3182 | cmd, p->mcast_list_len); |
| 3183 | break; |
| 3184 | |
| 3185 | case BNX2X_MCAST_CMD_ADD: |
| 3186 | case BNX2X_MCAST_CMD_CONT: |
| 3187 | /* Multicast MACs on 57710 are configured as unicast MACs and |
| 3188 | * there is only a limited number of CAM entries for that |
| 3189 | * matter. |
| 3190 | */ |
| 3191 | if (p->mcast_list_len > o->max_cmd_len) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 3192 | BNX2X_ERR("Can't configure more than %d multicast MACs on 57710\n", |
| 3193 | o->max_cmd_len); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3194 | return -EINVAL; |
| 3195 | } |
| 3196 | /* Every configured MAC should be cleared if DEL command is |
| 3197 | * called. Only the last ADD command is relevant as long as |
| 3198 | * every ADD commands overrides the previous configuration. |
| 3199 | */ |
| 3200 | DP(BNX2X_MSG_SP, "p->mcast_list_len=%d\n", p->mcast_list_len); |
| 3201 | if (p->mcast_list_len > 0) |
| 3202 | o->set_registry_size(o, p->mcast_list_len); |
| 3203 | |
| 3204 | break; |
| 3205 | |
| 3206 | default: |
| 3207 | BNX2X_ERR("Unknown command: %d\n", cmd); |
| 3208 | return -EINVAL; |
| 3209 | |
| 3210 | } |
| 3211 | |
| 3212 | /* We want to ensure that commands are executed one by one for 57710. |
| 3213 | * Therefore each none-empty command will consume o->max_cmd_len. |
| 3214 | */ |
| 3215 | if (p->mcast_list_len) |
| 3216 | o->total_pending_num += o->max_cmd_len; |
| 3217 | |
| 3218 | return 0; |
| 3219 | } |
| 3220 | |
| 3221 | static void bnx2x_mcast_revert_e1(struct bnx2x *bp, |
| 3222 | struct bnx2x_mcast_ramrod_params *p, |
| 3223 | int old_num_macs) |
| 3224 | { |
| 3225 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 3226 | |
| 3227 | o->set_registry_size(o, old_num_macs); |
| 3228 | |
| 3229 | /* If current command hasn't been handled yet and we are |
| 3230 | * here means that it's meant to be dropped and we have to |
| 3231 | * update the number of outstandling MACs accordingly. |
| 3232 | */ |
| 3233 | if (p->mcast_list_len) |
| 3234 | o->total_pending_num -= o->max_cmd_len; |
| 3235 | } |
| 3236 | |
| 3237 | static void bnx2x_mcast_set_one_rule_e1(struct bnx2x *bp, |
| 3238 | struct bnx2x_mcast_obj *o, int idx, |
| 3239 | union bnx2x_mcast_config_data *cfg_data, |
| 3240 | int cmd) |
| 3241 | { |
| 3242 | struct bnx2x_raw_obj *r = &o->raw; |
| 3243 | struct mac_configuration_cmd *data = |
| 3244 | (struct mac_configuration_cmd *)(r->rdata); |
| 3245 | |
| 3246 | /* copy mac */ |
| 3247 | if ((cmd == BNX2X_MCAST_CMD_ADD) || (cmd == BNX2X_MCAST_CMD_RESTORE)) { |
| 3248 | bnx2x_set_fw_mac_addr(&data->config_table[idx].msb_mac_addr, |
| 3249 | &data->config_table[idx].middle_mac_addr, |
| 3250 | &data->config_table[idx].lsb_mac_addr, |
| 3251 | cfg_data->mac); |
| 3252 | |
| 3253 | data->config_table[idx].vlan_id = 0; |
| 3254 | data->config_table[idx].pf_id = r->func_id; |
| 3255 | data->config_table[idx].clients_bit_vector = |
| 3256 | cpu_to_le32(1 << r->cl_id); |
| 3257 | |
| 3258 | SET_FLAG(data->config_table[idx].flags, |
| 3259 | MAC_CONFIGURATION_ENTRY_ACTION_TYPE, |
| 3260 | T_ETH_MAC_COMMAND_SET); |
| 3261 | } |
| 3262 | } |
| 3263 | |
| 3264 | /** |
| 3265 | * bnx2x_mcast_set_rdata_hdr_e1 - set header values in mac_configuration_cmd |
| 3266 | * |
| 3267 | * @bp: device handle |
| 3268 | * @p: |
| 3269 | * @len: number of rules to handle |
| 3270 | */ |
| 3271 | static inline void bnx2x_mcast_set_rdata_hdr_e1(struct bnx2x *bp, |
| 3272 | struct bnx2x_mcast_ramrod_params *p, |
| 3273 | u8 len) |
| 3274 | { |
| 3275 | struct bnx2x_raw_obj *r = &p->mcast_obj->raw; |
| 3276 | struct mac_configuration_cmd *data = |
| 3277 | (struct mac_configuration_cmd *)(r->rdata); |
| 3278 | |
| 3279 | u8 offset = (CHIP_REV_IS_SLOW(bp) ? |
| 3280 | BNX2X_MAX_EMUL_MULTI*(1 + r->func_id) : |
| 3281 | BNX2X_MAX_MULTICAST*(1 + r->func_id)); |
| 3282 | |
| 3283 | data->hdr.offset = offset; |
| 3284 | data->hdr.client_id = 0xff; |
| 3285 | data->hdr.echo = ((r->cid & BNX2X_SWCID_MASK) | |
| 3286 | (BNX2X_FILTER_MCAST_PENDING << BNX2X_SWCID_SHIFT)); |
| 3287 | data->hdr.length = len; |
| 3288 | } |
| 3289 | |
| 3290 | /** |
| 3291 | * bnx2x_mcast_handle_restore_cmd_e1 - restore command for 57710 |
| 3292 | * |
| 3293 | * @bp: device handle |
| 3294 | * @o: |
| 3295 | * @start_idx: index in the registry to start from |
| 3296 | * @rdata_idx: index in the ramrod data to start from |
| 3297 | * |
| 3298 | * restore command for 57710 is like all other commands - always a stand alone |
| 3299 | * command - start_idx and rdata_idx will always be 0. This function will always |
| 3300 | * succeed. |
| 3301 | * returns -1 to comply with 57712 variant. |
| 3302 | */ |
| 3303 | static inline int bnx2x_mcast_handle_restore_cmd_e1( |
| 3304 | struct bnx2x *bp, struct bnx2x_mcast_obj *o , int start_idx, |
| 3305 | int *rdata_idx) |
| 3306 | { |
| 3307 | struct bnx2x_mcast_mac_elem *elem; |
| 3308 | int i = 0; |
| 3309 | union bnx2x_mcast_config_data cfg_data = {0}; |
| 3310 | |
| 3311 | /* go through the registry and configure the MACs from it. */ |
| 3312 | list_for_each_entry(elem, &o->registry.exact_match.macs, link) { |
| 3313 | cfg_data.mac = &elem->mac[0]; |
| 3314 | o->set_one_rule(bp, o, i, &cfg_data, BNX2X_MCAST_CMD_RESTORE); |
| 3315 | |
| 3316 | i++; |
| 3317 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 3318 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
| 3319 | cfg_data.mac); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3320 | } |
| 3321 | |
| 3322 | *rdata_idx = i; |
| 3323 | |
| 3324 | return -1; |
| 3325 | } |
| 3326 | |
| 3327 | |
| 3328 | static inline int bnx2x_mcast_handle_pending_cmds_e1( |
| 3329 | struct bnx2x *bp, struct bnx2x_mcast_ramrod_params *p) |
| 3330 | { |
| 3331 | struct bnx2x_pending_mcast_cmd *cmd_pos; |
| 3332 | struct bnx2x_mcast_mac_elem *pmac_pos; |
| 3333 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 3334 | union bnx2x_mcast_config_data cfg_data = {0}; |
| 3335 | int cnt = 0; |
| 3336 | |
| 3337 | |
| 3338 | /* If nothing to be done - return */ |
| 3339 | if (list_empty(&o->pending_cmds_head)) |
| 3340 | return 0; |
| 3341 | |
| 3342 | /* Handle the first command */ |
| 3343 | cmd_pos = list_first_entry(&o->pending_cmds_head, |
| 3344 | struct bnx2x_pending_mcast_cmd, link); |
| 3345 | |
| 3346 | switch (cmd_pos->type) { |
| 3347 | case BNX2X_MCAST_CMD_ADD: |
| 3348 | list_for_each_entry(pmac_pos, &cmd_pos->data.macs_head, link) { |
| 3349 | cfg_data.mac = &pmac_pos->mac[0]; |
| 3350 | o->set_one_rule(bp, o, cnt, &cfg_data, cmd_pos->type); |
| 3351 | |
| 3352 | cnt++; |
| 3353 | |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 3354 | DP(BNX2X_MSG_SP, "About to configure %pM mcast MAC\n", |
| 3355 | pmac_pos->mac); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3356 | } |
| 3357 | break; |
| 3358 | |
| 3359 | case BNX2X_MCAST_CMD_DEL: |
| 3360 | cnt = cmd_pos->data.macs_num; |
| 3361 | DP(BNX2X_MSG_SP, "About to delete %d multicast MACs\n", cnt); |
| 3362 | break; |
| 3363 | |
| 3364 | case BNX2X_MCAST_CMD_RESTORE: |
| 3365 | o->hdl_restore(bp, o, 0, &cnt); |
| 3366 | break; |
| 3367 | |
| 3368 | default: |
| 3369 | BNX2X_ERR("Unknown command: %d\n", cmd_pos->type); |
| 3370 | return -EINVAL; |
| 3371 | } |
| 3372 | |
| 3373 | list_del(&cmd_pos->link); |
| 3374 | kfree(cmd_pos); |
| 3375 | |
| 3376 | return cnt; |
| 3377 | } |
| 3378 | |
| 3379 | /** |
| 3380 | * bnx2x_get_fw_mac_addr - revert the bnx2x_set_fw_mac_addr(). |
| 3381 | * |
| 3382 | * @fw_hi: |
| 3383 | * @fw_mid: |
| 3384 | * @fw_lo: |
| 3385 | * @mac: |
| 3386 | */ |
| 3387 | static inline void bnx2x_get_fw_mac_addr(__le16 *fw_hi, __le16 *fw_mid, |
| 3388 | __le16 *fw_lo, u8 *mac) |
| 3389 | { |
| 3390 | mac[1] = ((u8 *)fw_hi)[0]; |
| 3391 | mac[0] = ((u8 *)fw_hi)[1]; |
| 3392 | mac[3] = ((u8 *)fw_mid)[0]; |
| 3393 | mac[2] = ((u8 *)fw_mid)[1]; |
| 3394 | mac[5] = ((u8 *)fw_lo)[0]; |
| 3395 | mac[4] = ((u8 *)fw_lo)[1]; |
| 3396 | } |
| 3397 | |
| 3398 | /** |
| 3399 | * bnx2x_mcast_refresh_registry_e1 - |
| 3400 | * |
| 3401 | * @bp: device handle |
| 3402 | * @cnt: |
| 3403 | * |
| 3404 | * Check the ramrod data first entry flag to see if it's a DELETE or ADD command |
| 3405 | * and update the registry correspondingly: if ADD - allocate a memory and add |
| 3406 | * the entries to the registry (list), if DELETE - clear the registry and free |
| 3407 | * the memory. |
| 3408 | */ |
| 3409 | static inline int bnx2x_mcast_refresh_registry_e1(struct bnx2x *bp, |
| 3410 | struct bnx2x_mcast_obj *o) |
| 3411 | { |
| 3412 | struct bnx2x_raw_obj *raw = &o->raw; |
| 3413 | struct bnx2x_mcast_mac_elem *elem; |
| 3414 | struct mac_configuration_cmd *data = |
| 3415 | (struct mac_configuration_cmd *)(raw->rdata); |
| 3416 | |
| 3417 | /* If first entry contains a SET bit - the command was ADD, |
| 3418 | * otherwise - DEL_ALL |
| 3419 | */ |
| 3420 | if (GET_FLAG(data->config_table[0].flags, |
| 3421 | MAC_CONFIGURATION_ENTRY_ACTION_TYPE)) { |
| 3422 | int i, len = data->hdr.length; |
| 3423 | |
| 3424 | /* Break if it was a RESTORE command */ |
| 3425 | if (!list_empty(&o->registry.exact_match.macs)) |
| 3426 | return 0; |
| 3427 | |
Thomas Meyer | 01e2374 | 2011-11-29 11:08:00 +0000 | [diff] [blame] | 3428 | elem = kcalloc(len, sizeof(*elem), GFP_ATOMIC); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3429 | if (!elem) { |
| 3430 | BNX2X_ERR("Failed to allocate registry memory\n"); |
| 3431 | return -ENOMEM; |
| 3432 | } |
| 3433 | |
| 3434 | for (i = 0; i < len; i++, elem++) { |
| 3435 | bnx2x_get_fw_mac_addr( |
| 3436 | &data->config_table[i].msb_mac_addr, |
| 3437 | &data->config_table[i].middle_mac_addr, |
| 3438 | &data->config_table[i].lsb_mac_addr, |
| 3439 | elem->mac); |
Joe Perches | 0f9dad1 | 2011-08-14 12:16:19 +0000 | [diff] [blame] | 3440 | DP(BNX2X_MSG_SP, "Adding registry entry for [%pM]\n", |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 3441 | elem->mac); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3442 | list_add_tail(&elem->link, |
| 3443 | &o->registry.exact_match.macs); |
| 3444 | } |
| 3445 | } else { |
| 3446 | elem = list_first_entry(&o->registry.exact_match.macs, |
| 3447 | struct bnx2x_mcast_mac_elem, link); |
| 3448 | DP(BNX2X_MSG_SP, "Deleting a registry\n"); |
| 3449 | kfree(elem); |
| 3450 | INIT_LIST_HEAD(&o->registry.exact_match.macs); |
| 3451 | } |
| 3452 | |
| 3453 | return 0; |
| 3454 | } |
| 3455 | |
| 3456 | static int bnx2x_mcast_setup_e1(struct bnx2x *bp, |
| 3457 | struct bnx2x_mcast_ramrod_params *p, |
| 3458 | int cmd) |
| 3459 | { |
| 3460 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 3461 | struct bnx2x_raw_obj *raw = &o->raw; |
| 3462 | struct mac_configuration_cmd *data = |
| 3463 | (struct mac_configuration_cmd *)(raw->rdata); |
| 3464 | int cnt = 0, i, rc; |
| 3465 | |
| 3466 | /* Reset the ramrod data buffer */ |
| 3467 | memset(data, 0, sizeof(*data)); |
| 3468 | |
| 3469 | /* First set all entries as invalid */ |
| 3470 | for (i = 0; i < o->max_cmd_len ; i++) |
| 3471 | SET_FLAG(data->config_table[i].flags, |
| 3472 | MAC_CONFIGURATION_ENTRY_ACTION_TYPE, |
| 3473 | T_ETH_MAC_COMMAND_INVALIDATE); |
| 3474 | |
| 3475 | /* Handle pending commands first */ |
| 3476 | cnt = bnx2x_mcast_handle_pending_cmds_e1(bp, p); |
| 3477 | |
| 3478 | /* If there are no more pending commands - clear SCHEDULED state */ |
| 3479 | if (list_empty(&o->pending_cmds_head)) |
| 3480 | o->clear_sched(o); |
| 3481 | |
| 3482 | /* The below may be true iff there were no pending commands */ |
| 3483 | if (!cnt) |
| 3484 | cnt = bnx2x_mcast_handle_current_cmd(bp, p, cmd, 0); |
| 3485 | |
| 3486 | /* For 57710 every command has o->max_cmd_len length to ensure that |
| 3487 | * commands are done one at a time. |
| 3488 | */ |
| 3489 | o->total_pending_num -= o->max_cmd_len; |
| 3490 | |
| 3491 | /* send a ramrod */ |
| 3492 | |
| 3493 | WARN_ON(cnt > o->max_cmd_len); |
| 3494 | |
| 3495 | /* Set ramrod header (in particular, a number of entries to update) */ |
| 3496 | bnx2x_mcast_set_rdata_hdr_e1(bp, p, (u8)cnt); |
| 3497 | |
| 3498 | /* update a registry: we need the registry contents to be always up |
| 3499 | * to date in order to be able to execute a RESTORE opcode. Here |
| 3500 | * we use the fact that for 57710 we sent one command at a time |
| 3501 | * hence we may take the registry update out of the command handling |
| 3502 | * and do it in a simpler way here. |
| 3503 | */ |
| 3504 | rc = bnx2x_mcast_refresh_registry_e1(bp, o); |
| 3505 | if (rc) |
| 3506 | return rc; |
| 3507 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 3508 | /* |
| 3509 | * If CLEAR_ONLY was requested - don't send a ramrod and clear |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3510 | * RAMROD_PENDING status immediately. |
| 3511 | */ |
| 3512 | if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) { |
| 3513 | raw->clear_pending(raw); |
| 3514 | return 0; |
| 3515 | } else { |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 3516 | /* |
| 3517 | * No need for an explicit memory barrier here as long we would |
| 3518 | * need to ensure the ordering of writing to the SPQ element |
| 3519 | * and updating of the SPQ producer which involves a memory |
| 3520 | * read and we will have to put a full memory barrier there |
| 3521 | * (inside bnx2x_sp_post()). |
| 3522 | */ |
| 3523 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3524 | /* Send a ramrod */ |
| 3525 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, raw->cid, |
| 3526 | U64_HI(raw->rdata_mapping), |
| 3527 | U64_LO(raw->rdata_mapping), |
| 3528 | ETH_CONNECTION_TYPE); |
| 3529 | if (rc) |
| 3530 | return rc; |
| 3531 | |
| 3532 | /* Ramrod completion is pending */ |
| 3533 | return 1; |
| 3534 | } |
| 3535 | |
| 3536 | } |
| 3537 | |
| 3538 | static int bnx2x_mcast_get_registry_size_exact(struct bnx2x_mcast_obj *o) |
| 3539 | { |
| 3540 | return o->registry.exact_match.num_macs_set; |
| 3541 | } |
| 3542 | |
| 3543 | static int bnx2x_mcast_get_registry_size_aprox(struct bnx2x_mcast_obj *o) |
| 3544 | { |
| 3545 | return o->registry.aprox_match.num_bins_set; |
| 3546 | } |
| 3547 | |
| 3548 | static void bnx2x_mcast_set_registry_size_exact(struct bnx2x_mcast_obj *o, |
| 3549 | int n) |
| 3550 | { |
| 3551 | o->registry.exact_match.num_macs_set = n; |
| 3552 | } |
| 3553 | |
| 3554 | static void bnx2x_mcast_set_registry_size_aprox(struct bnx2x_mcast_obj *o, |
| 3555 | int n) |
| 3556 | { |
| 3557 | o->registry.aprox_match.num_bins_set = n; |
| 3558 | } |
| 3559 | |
| 3560 | int bnx2x_config_mcast(struct bnx2x *bp, |
| 3561 | struct bnx2x_mcast_ramrod_params *p, |
| 3562 | int cmd) |
| 3563 | { |
| 3564 | struct bnx2x_mcast_obj *o = p->mcast_obj; |
| 3565 | struct bnx2x_raw_obj *r = &o->raw; |
| 3566 | int rc = 0, old_reg_size; |
| 3567 | |
| 3568 | /* This is needed to recover number of currently configured mcast macs |
| 3569 | * in case of failure. |
| 3570 | */ |
| 3571 | old_reg_size = o->get_registry_size(o); |
| 3572 | |
| 3573 | /* Do some calculations and checks */ |
| 3574 | rc = o->validate(bp, p, cmd); |
| 3575 | if (rc) |
| 3576 | return rc; |
| 3577 | |
| 3578 | /* Return if there is no work to do */ |
| 3579 | if ((!p->mcast_list_len) && (!o->check_sched(o))) |
| 3580 | return 0; |
| 3581 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 3582 | DP(BNX2X_MSG_SP, "o->total_pending_num=%d p->mcast_list_len=%d o->max_cmd_len=%d\n", |
| 3583 | o->total_pending_num, p->mcast_list_len, o->max_cmd_len); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 3584 | |
| 3585 | /* Enqueue the current command to the pending list if we can't complete |
| 3586 | * it in the current iteration |
| 3587 | */ |
| 3588 | if (r->check_pending(r) || |
| 3589 | ((o->max_cmd_len > 0) && (o->total_pending_num > o->max_cmd_len))) { |
| 3590 | rc = o->enqueue_cmd(bp, p->mcast_obj, p, cmd); |
| 3591 | if (rc < 0) |
| 3592 | goto error_exit1; |
| 3593 | |
| 3594 | /* As long as the current command is in a command list we |
| 3595 | * don't need to handle it separately. |
| 3596 | */ |
| 3597 | p->mcast_list_len = 0; |
| 3598 | } |
| 3599 | |
| 3600 | if (!r->check_pending(r)) { |
| 3601 | |
| 3602 | /* Set 'pending' state */ |
| 3603 | r->set_pending(r); |
| 3604 | |
| 3605 | /* Configure the new classification in the chip */ |
| 3606 | rc = o->config_mcast(bp, p, cmd); |
| 3607 | if (rc < 0) |
| 3608 | goto error_exit2; |
| 3609 | |
| 3610 | /* Wait for a ramrod completion if was requested */ |
| 3611 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) |
| 3612 | rc = o->wait_comp(bp, o); |
| 3613 | } |
| 3614 | |
| 3615 | return rc; |
| 3616 | |
| 3617 | error_exit2: |
| 3618 | r->clear_pending(r); |
| 3619 | |
| 3620 | error_exit1: |
| 3621 | o->revert(bp, p, old_reg_size); |
| 3622 | |
| 3623 | return rc; |
| 3624 | } |
| 3625 | |
| 3626 | static void bnx2x_mcast_clear_sched(struct bnx2x_mcast_obj *o) |
| 3627 | { |
| 3628 | smp_mb__before_clear_bit(); |
| 3629 | clear_bit(o->sched_state, o->raw.pstate); |
| 3630 | smp_mb__after_clear_bit(); |
| 3631 | } |
| 3632 | |
| 3633 | static void bnx2x_mcast_set_sched(struct bnx2x_mcast_obj *o) |
| 3634 | { |
| 3635 | smp_mb__before_clear_bit(); |
| 3636 | set_bit(o->sched_state, o->raw.pstate); |
| 3637 | smp_mb__after_clear_bit(); |
| 3638 | } |
| 3639 | |
| 3640 | static bool bnx2x_mcast_check_sched(struct bnx2x_mcast_obj *o) |
| 3641 | { |
| 3642 | return !!test_bit(o->sched_state, o->raw.pstate); |
| 3643 | } |
| 3644 | |
| 3645 | static bool bnx2x_mcast_check_pending(struct bnx2x_mcast_obj *o) |
| 3646 | { |
| 3647 | return o->raw.check_pending(&o->raw) || o->check_sched(o); |
| 3648 | } |
| 3649 | |
| 3650 | void bnx2x_init_mcast_obj(struct bnx2x *bp, |
| 3651 | struct bnx2x_mcast_obj *mcast_obj, |
| 3652 | u8 mcast_cl_id, u32 mcast_cid, u8 func_id, |
| 3653 | u8 engine_id, void *rdata, dma_addr_t rdata_mapping, |
| 3654 | int state, unsigned long *pstate, bnx2x_obj_type type) |
| 3655 | { |
| 3656 | memset(mcast_obj, 0, sizeof(*mcast_obj)); |
| 3657 | |
| 3658 | bnx2x_init_raw_obj(&mcast_obj->raw, mcast_cl_id, mcast_cid, func_id, |
| 3659 | rdata, rdata_mapping, state, pstate, type); |
| 3660 | |
| 3661 | mcast_obj->engine_id = engine_id; |
| 3662 | |
| 3663 | INIT_LIST_HEAD(&mcast_obj->pending_cmds_head); |
| 3664 | |
| 3665 | mcast_obj->sched_state = BNX2X_FILTER_MCAST_SCHED; |
| 3666 | mcast_obj->check_sched = bnx2x_mcast_check_sched; |
| 3667 | mcast_obj->set_sched = bnx2x_mcast_set_sched; |
| 3668 | mcast_obj->clear_sched = bnx2x_mcast_clear_sched; |
| 3669 | |
| 3670 | if (CHIP_IS_E1(bp)) { |
| 3671 | mcast_obj->config_mcast = bnx2x_mcast_setup_e1; |
| 3672 | mcast_obj->enqueue_cmd = bnx2x_mcast_enqueue_cmd; |
| 3673 | mcast_obj->hdl_restore = |
| 3674 | bnx2x_mcast_handle_restore_cmd_e1; |
| 3675 | mcast_obj->check_pending = bnx2x_mcast_check_pending; |
| 3676 | |
| 3677 | if (CHIP_REV_IS_SLOW(bp)) |
| 3678 | mcast_obj->max_cmd_len = BNX2X_MAX_EMUL_MULTI; |
| 3679 | else |
| 3680 | mcast_obj->max_cmd_len = BNX2X_MAX_MULTICAST; |
| 3681 | |
| 3682 | mcast_obj->wait_comp = bnx2x_mcast_wait; |
| 3683 | mcast_obj->set_one_rule = bnx2x_mcast_set_one_rule_e1; |
| 3684 | mcast_obj->validate = bnx2x_mcast_validate_e1; |
| 3685 | mcast_obj->revert = bnx2x_mcast_revert_e1; |
| 3686 | mcast_obj->get_registry_size = |
| 3687 | bnx2x_mcast_get_registry_size_exact; |
| 3688 | mcast_obj->set_registry_size = |
| 3689 | bnx2x_mcast_set_registry_size_exact; |
| 3690 | |
| 3691 | /* 57710 is the only chip that uses the exact match for mcast |
| 3692 | * at the moment. |
| 3693 | */ |
| 3694 | INIT_LIST_HEAD(&mcast_obj->registry.exact_match.macs); |
| 3695 | |
| 3696 | } else if (CHIP_IS_E1H(bp)) { |
| 3697 | mcast_obj->config_mcast = bnx2x_mcast_setup_e1h; |
| 3698 | mcast_obj->enqueue_cmd = NULL; |
| 3699 | mcast_obj->hdl_restore = NULL; |
| 3700 | mcast_obj->check_pending = bnx2x_mcast_check_pending; |
| 3701 | |
| 3702 | /* 57711 doesn't send a ramrod, so it has unlimited credit |
| 3703 | * for one command. |
| 3704 | */ |
| 3705 | mcast_obj->max_cmd_len = -1; |
| 3706 | mcast_obj->wait_comp = bnx2x_mcast_wait; |
| 3707 | mcast_obj->set_one_rule = NULL; |
| 3708 | mcast_obj->validate = bnx2x_mcast_validate_e1h; |
| 3709 | mcast_obj->revert = bnx2x_mcast_revert_e1h; |
| 3710 | mcast_obj->get_registry_size = |
| 3711 | bnx2x_mcast_get_registry_size_aprox; |
| 3712 | mcast_obj->set_registry_size = |
| 3713 | bnx2x_mcast_set_registry_size_aprox; |
| 3714 | } else { |
| 3715 | mcast_obj->config_mcast = bnx2x_mcast_setup_e2; |
| 3716 | mcast_obj->enqueue_cmd = bnx2x_mcast_enqueue_cmd; |
| 3717 | mcast_obj->hdl_restore = |
| 3718 | bnx2x_mcast_handle_restore_cmd_e2; |
| 3719 | mcast_obj->check_pending = bnx2x_mcast_check_pending; |
| 3720 | /* TODO: There should be a proper HSI define for this number!!! |
| 3721 | */ |
| 3722 | mcast_obj->max_cmd_len = 16; |
| 3723 | mcast_obj->wait_comp = bnx2x_mcast_wait; |
| 3724 | mcast_obj->set_one_rule = bnx2x_mcast_set_one_rule_e2; |
| 3725 | mcast_obj->validate = bnx2x_mcast_validate_e2; |
| 3726 | mcast_obj->revert = bnx2x_mcast_revert_e2; |
| 3727 | mcast_obj->get_registry_size = |
| 3728 | bnx2x_mcast_get_registry_size_aprox; |
| 3729 | mcast_obj->set_registry_size = |
| 3730 | bnx2x_mcast_set_registry_size_aprox; |
| 3731 | } |
| 3732 | } |
| 3733 | |
| 3734 | /*************************** Credit handling **********************************/ |
| 3735 | |
| 3736 | /** |
| 3737 | * atomic_add_ifless - add if the result is less than a given value. |
| 3738 | * |
| 3739 | * @v: pointer of type atomic_t |
| 3740 | * @a: the amount to add to v... |
| 3741 | * @u: ...if (v + a) is less than u. |
| 3742 | * |
| 3743 | * returns true if (v + a) was less than u, and false otherwise. |
| 3744 | * |
| 3745 | */ |
| 3746 | static inline bool __atomic_add_ifless(atomic_t *v, int a, int u) |
| 3747 | { |
| 3748 | int c, old; |
| 3749 | |
| 3750 | c = atomic_read(v); |
| 3751 | for (;;) { |
| 3752 | if (unlikely(c + a >= u)) |
| 3753 | return false; |
| 3754 | |
| 3755 | old = atomic_cmpxchg((v), c, c + a); |
| 3756 | if (likely(old == c)) |
| 3757 | break; |
| 3758 | c = old; |
| 3759 | } |
| 3760 | |
| 3761 | return true; |
| 3762 | } |
| 3763 | |
| 3764 | /** |
| 3765 | * atomic_dec_ifmoe - dec if the result is more or equal than a given value. |
| 3766 | * |
| 3767 | * @v: pointer of type atomic_t |
| 3768 | * @a: the amount to dec from v... |
| 3769 | * @u: ...if (v - a) is more or equal than u. |
| 3770 | * |
| 3771 | * returns true if (v - a) was more or equal than u, and false |
| 3772 | * otherwise. |
| 3773 | */ |
| 3774 | static inline bool __atomic_dec_ifmoe(atomic_t *v, int a, int u) |
| 3775 | { |
| 3776 | int c, old; |
| 3777 | |
| 3778 | c = atomic_read(v); |
| 3779 | for (;;) { |
| 3780 | if (unlikely(c - a < u)) |
| 3781 | return false; |
| 3782 | |
| 3783 | old = atomic_cmpxchg((v), c, c - a); |
| 3784 | if (likely(old == c)) |
| 3785 | break; |
| 3786 | c = old; |
| 3787 | } |
| 3788 | |
| 3789 | return true; |
| 3790 | } |
| 3791 | |
| 3792 | static bool bnx2x_credit_pool_get(struct bnx2x_credit_pool_obj *o, int cnt) |
| 3793 | { |
| 3794 | bool rc; |
| 3795 | |
| 3796 | smp_mb(); |
| 3797 | rc = __atomic_dec_ifmoe(&o->credit, cnt, 0); |
| 3798 | smp_mb(); |
| 3799 | |
| 3800 | return rc; |
| 3801 | } |
| 3802 | |
| 3803 | static bool bnx2x_credit_pool_put(struct bnx2x_credit_pool_obj *o, int cnt) |
| 3804 | { |
| 3805 | bool rc; |
| 3806 | |
| 3807 | smp_mb(); |
| 3808 | |
| 3809 | /* Don't let to refill if credit + cnt > pool_sz */ |
| 3810 | rc = __atomic_add_ifless(&o->credit, cnt, o->pool_sz + 1); |
| 3811 | |
| 3812 | smp_mb(); |
| 3813 | |
| 3814 | return rc; |
| 3815 | } |
| 3816 | |
| 3817 | static int bnx2x_credit_pool_check(struct bnx2x_credit_pool_obj *o) |
| 3818 | { |
| 3819 | int cur_credit; |
| 3820 | |
| 3821 | smp_mb(); |
| 3822 | cur_credit = atomic_read(&o->credit); |
| 3823 | |
| 3824 | return cur_credit; |
| 3825 | } |
| 3826 | |
| 3827 | static bool bnx2x_credit_pool_always_true(struct bnx2x_credit_pool_obj *o, |
| 3828 | int cnt) |
| 3829 | { |
| 3830 | return true; |
| 3831 | } |
| 3832 | |
| 3833 | |
| 3834 | static bool bnx2x_credit_pool_get_entry( |
| 3835 | struct bnx2x_credit_pool_obj *o, |
| 3836 | int *offset) |
| 3837 | { |
| 3838 | int idx, vec, i; |
| 3839 | |
| 3840 | *offset = -1; |
| 3841 | |
| 3842 | /* Find "internal cam-offset" then add to base for this object... */ |
| 3843 | for (vec = 0; vec < BNX2X_POOL_VEC_SIZE; vec++) { |
| 3844 | |
| 3845 | /* Skip the current vector if there are no free entries in it */ |
| 3846 | if (!o->pool_mirror[vec]) |
| 3847 | continue; |
| 3848 | |
| 3849 | /* If we've got here we are going to find a free entry */ |
| 3850 | for (idx = vec * BNX2X_POOL_VEC_SIZE, i = 0; |
| 3851 | i < BIT_VEC64_ELEM_SZ; idx++, i++) |
| 3852 | |
| 3853 | if (BIT_VEC64_TEST_BIT(o->pool_mirror, idx)) { |
| 3854 | /* Got one!! */ |
| 3855 | BIT_VEC64_CLEAR_BIT(o->pool_mirror, idx); |
| 3856 | *offset = o->base_pool_offset + idx; |
| 3857 | return true; |
| 3858 | } |
| 3859 | } |
| 3860 | |
| 3861 | return false; |
| 3862 | } |
| 3863 | |
| 3864 | static bool bnx2x_credit_pool_put_entry( |
| 3865 | struct bnx2x_credit_pool_obj *o, |
| 3866 | int offset) |
| 3867 | { |
| 3868 | if (offset < o->base_pool_offset) |
| 3869 | return false; |
| 3870 | |
| 3871 | offset -= o->base_pool_offset; |
| 3872 | |
| 3873 | if (offset >= o->pool_sz) |
| 3874 | return false; |
| 3875 | |
| 3876 | /* Return the entry to the pool */ |
| 3877 | BIT_VEC64_SET_BIT(o->pool_mirror, offset); |
| 3878 | |
| 3879 | return true; |
| 3880 | } |
| 3881 | |
| 3882 | static bool bnx2x_credit_pool_put_entry_always_true( |
| 3883 | struct bnx2x_credit_pool_obj *o, |
| 3884 | int offset) |
| 3885 | { |
| 3886 | return true; |
| 3887 | } |
| 3888 | |
| 3889 | static bool bnx2x_credit_pool_get_entry_always_true( |
| 3890 | struct bnx2x_credit_pool_obj *o, |
| 3891 | int *offset) |
| 3892 | { |
| 3893 | *offset = -1; |
| 3894 | return true; |
| 3895 | } |
| 3896 | /** |
| 3897 | * bnx2x_init_credit_pool - initialize credit pool internals. |
| 3898 | * |
| 3899 | * @p: |
| 3900 | * @base: Base entry in the CAM to use. |
| 3901 | * @credit: pool size. |
| 3902 | * |
| 3903 | * If base is negative no CAM entries handling will be performed. |
| 3904 | * If credit is negative pool operations will always succeed (unlimited pool). |
| 3905 | * |
| 3906 | */ |
| 3907 | static inline void bnx2x_init_credit_pool(struct bnx2x_credit_pool_obj *p, |
| 3908 | int base, int credit) |
| 3909 | { |
| 3910 | /* Zero the object first */ |
| 3911 | memset(p, 0, sizeof(*p)); |
| 3912 | |
| 3913 | /* Set the table to all 1s */ |
| 3914 | memset(&p->pool_mirror, 0xff, sizeof(p->pool_mirror)); |
| 3915 | |
| 3916 | /* Init a pool as full */ |
| 3917 | atomic_set(&p->credit, credit); |
| 3918 | |
| 3919 | /* The total poll size */ |
| 3920 | p->pool_sz = credit; |
| 3921 | |
| 3922 | p->base_pool_offset = base; |
| 3923 | |
| 3924 | /* Commit the change */ |
| 3925 | smp_mb(); |
| 3926 | |
| 3927 | p->check = bnx2x_credit_pool_check; |
| 3928 | |
| 3929 | /* if pool credit is negative - disable the checks */ |
| 3930 | if (credit >= 0) { |
| 3931 | p->put = bnx2x_credit_pool_put; |
| 3932 | p->get = bnx2x_credit_pool_get; |
| 3933 | p->put_entry = bnx2x_credit_pool_put_entry; |
| 3934 | p->get_entry = bnx2x_credit_pool_get_entry; |
| 3935 | } else { |
| 3936 | p->put = bnx2x_credit_pool_always_true; |
| 3937 | p->get = bnx2x_credit_pool_always_true; |
| 3938 | p->put_entry = bnx2x_credit_pool_put_entry_always_true; |
| 3939 | p->get_entry = bnx2x_credit_pool_get_entry_always_true; |
| 3940 | } |
| 3941 | |
| 3942 | /* If base is negative - disable entries handling */ |
| 3943 | if (base < 0) { |
| 3944 | p->put_entry = bnx2x_credit_pool_put_entry_always_true; |
| 3945 | p->get_entry = bnx2x_credit_pool_get_entry_always_true; |
| 3946 | } |
| 3947 | } |
| 3948 | |
| 3949 | void bnx2x_init_mac_credit_pool(struct bnx2x *bp, |
| 3950 | struct bnx2x_credit_pool_obj *p, u8 func_id, |
| 3951 | u8 func_num) |
| 3952 | { |
| 3953 | /* TODO: this will be defined in consts as well... */ |
| 3954 | #define BNX2X_CAM_SIZE_EMUL 5 |
| 3955 | |
| 3956 | int cam_sz; |
| 3957 | |
| 3958 | if (CHIP_IS_E1(bp)) { |
| 3959 | /* In E1, Multicast is saved in cam... */ |
| 3960 | if (!CHIP_REV_IS_SLOW(bp)) |
| 3961 | cam_sz = (MAX_MAC_CREDIT_E1 / 2) - BNX2X_MAX_MULTICAST; |
| 3962 | else |
| 3963 | cam_sz = BNX2X_CAM_SIZE_EMUL - BNX2X_MAX_EMUL_MULTI; |
| 3964 | |
| 3965 | bnx2x_init_credit_pool(p, func_id * cam_sz, cam_sz); |
| 3966 | |
| 3967 | } else if (CHIP_IS_E1H(bp)) { |
| 3968 | /* CAM credit is equaly divided between all active functions |
| 3969 | * on the PORT!. |
| 3970 | */ |
| 3971 | if ((func_num > 0)) { |
| 3972 | if (!CHIP_REV_IS_SLOW(bp)) |
| 3973 | cam_sz = (MAX_MAC_CREDIT_E1H / (2*func_num)); |
| 3974 | else |
| 3975 | cam_sz = BNX2X_CAM_SIZE_EMUL; |
| 3976 | bnx2x_init_credit_pool(p, func_id * cam_sz, cam_sz); |
| 3977 | } else { |
| 3978 | /* this should never happen! Block MAC operations. */ |
| 3979 | bnx2x_init_credit_pool(p, 0, 0); |
| 3980 | } |
| 3981 | |
| 3982 | } else { |
| 3983 | |
| 3984 | /* |
| 3985 | * CAM credit is equaly divided between all active functions |
| 3986 | * on the PATH. |
| 3987 | */ |
| 3988 | if ((func_num > 0)) { |
| 3989 | if (!CHIP_REV_IS_SLOW(bp)) |
| 3990 | cam_sz = (MAX_MAC_CREDIT_E2 / func_num); |
| 3991 | else |
| 3992 | cam_sz = BNX2X_CAM_SIZE_EMUL; |
| 3993 | |
| 3994 | /* |
| 3995 | * No need for CAM entries handling for 57712 and |
| 3996 | * newer. |
| 3997 | */ |
| 3998 | bnx2x_init_credit_pool(p, -1, cam_sz); |
| 3999 | } else { |
| 4000 | /* this should never happen! Block MAC operations. */ |
| 4001 | bnx2x_init_credit_pool(p, 0, 0); |
| 4002 | } |
| 4003 | |
| 4004 | } |
| 4005 | } |
| 4006 | |
| 4007 | void bnx2x_init_vlan_credit_pool(struct bnx2x *bp, |
| 4008 | struct bnx2x_credit_pool_obj *p, |
| 4009 | u8 func_id, |
| 4010 | u8 func_num) |
| 4011 | { |
| 4012 | if (CHIP_IS_E1x(bp)) { |
| 4013 | /* |
| 4014 | * There is no VLAN credit in HW on 57710 and 57711 only |
| 4015 | * MAC / MAC-VLAN can be set |
| 4016 | */ |
| 4017 | bnx2x_init_credit_pool(p, 0, -1); |
| 4018 | } else { |
| 4019 | /* |
| 4020 | * CAM credit is equaly divided between all active functions |
| 4021 | * on the PATH. |
| 4022 | */ |
| 4023 | if (func_num > 0) { |
| 4024 | int credit = MAX_VLAN_CREDIT_E2 / func_num; |
| 4025 | bnx2x_init_credit_pool(p, func_id * credit, credit); |
| 4026 | } else |
| 4027 | /* this should never happen! Block VLAN operations. */ |
| 4028 | bnx2x_init_credit_pool(p, 0, 0); |
| 4029 | } |
| 4030 | } |
| 4031 | |
| 4032 | /****************** RSS Configuration ******************/ |
| 4033 | /** |
| 4034 | * bnx2x_debug_print_ind_table - prints the indirection table configuration. |
| 4035 | * |
| 4036 | * @bp: driver hanlde |
| 4037 | * @p: pointer to rss configuration |
| 4038 | * |
| 4039 | * Prints it when NETIF_MSG_IFUP debug level is configured. |
| 4040 | */ |
| 4041 | static inline void bnx2x_debug_print_ind_table(struct bnx2x *bp, |
| 4042 | struct bnx2x_config_rss_params *p) |
| 4043 | { |
| 4044 | int i; |
| 4045 | |
| 4046 | DP(BNX2X_MSG_SP, "Setting indirection table to:\n"); |
| 4047 | DP(BNX2X_MSG_SP, "0x0000: "); |
| 4048 | for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) { |
| 4049 | DP_CONT(BNX2X_MSG_SP, "0x%02x ", p->ind_table[i]); |
| 4050 | |
| 4051 | /* Print 4 bytes in a line */ |
| 4052 | if ((i + 1 < T_ETH_INDIRECTION_TABLE_SIZE) && |
| 4053 | (((i + 1) & 0x3) == 0)) { |
| 4054 | DP_CONT(BNX2X_MSG_SP, "\n"); |
| 4055 | DP(BNX2X_MSG_SP, "0x%04x: ", i + 1); |
| 4056 | } |
| 4057 | } |
| 4058 | |
| 4059 | DP_CONT(BNX2X_MSG_SP, "\n"); |
| 4060 | } |
| 4061 | |
| 4062 | /** |
| 4063 | * bnx2x_setup_rss - configure RSS |
| 4064 | * |
| 4065 | * @bp: device handle |
| 4066 | * @p: rss configuration |
| 4067 | * |
| 4068 | * sends on UPDATE ramrod for that matter. |
| 4069 | */ |
| 4070 | static int bnx2x_setup_rss(struct bnx2x *bp, |
| 4071 | struct bnx2x_config_rss_params *p) |
| 4072 | { |
| 4073 | struct bnx2x_rss_config_obj *o = p->rss_obj; |
| 4074 | struct bnx2x_raw_obj *r = &o->raw; |
| 4075 | struct eth_rss_update_ramrod_data *data = |
| 4076 | (struct eth_rss_update_ramrod_data *)(r->rdata); |
| 4077 | u8 rss_mode = 0; |
| 4078 | int rc; |
| 4079 | |
| 4080 | memset(data, 0, sizeof(*data)); |
| 4081 | |
| 4082 | DP(BNX2X_MSG_SP, "Configuring RSS\n"); |
| 4083 | |
| 4084 | /* Set an echo field */ |
| 4085 | data->echo = (r->cid & BNX2X_SWCID_MASK) | |
| 4086 | (r->state << BNX2X_SWCID_SHIFT); |
| 4087 | |
| 4088 | /* RSS mode */ |
| 4089 | if (test_bit(BNX2X_RSS_MODE_DISABLED, &p->rss_flags)) |
| 4090 | rss_mode = ETH_RSS_MODE_DISABLED; |
| 4091 | else if (test_bit(BNX2X_RSS_MODE_REGULAR, &p->rss_flags)) |
| 4092 | rss_mode = ETH_RSS_MODE_REGULAR; |
| 4093 | else if (test_bit(BNX2X_RSS_MODE_VLAN_PRI, &p->rss_flags)) |
| 4094 | rss_mode = ETH_RSS_MODE_VLAN_PRI; |
| 4095 | else if (test_bit(BNX2X_RSS_MODE_E1HOV_PRI, &p->rss_flags)) |
| 4096 | rss_mode = ETH_RSS_MODE_E1HOV_PRI; |
| 4097 | else if (test_bit(BNX2X_RSS_MODE_IP_DSCP, &p->rss_flags)) |
| 4098 | rss_mode = ETH_RSS_MODE_IP_DSCP; |
| 4099 | |
| 4100 | data->rss_mode = rss_mode; |
| 4101 | |
| 4102 | DP(BNX2X_MSG_SP, "rss_mode=%d\n", rss_mode); |
| 4103 | |
| 4104 | /* RSS capabilities */ |
| 4105 | if (test_bit(BNX2X_RSS_IPV4, &p->rss_flags)) |
| 4106 | data->capabilities |= |
| 4107 | ETH_RSS_UPDATE_RAMROD_DATA_IPV4_CAPABILITY; |
| 4108 | |
| 4109 | if (test_bit(BNX2X_RSS_IPV4_TCP, &p->rss_flags)) |
| 4110 | data->capabilities |= |
| 4111 | ETH_RSS_UPDATE_RAMROD_DATA_IPV4_TCP_CAPABILITY; |
| 4112 | |
| 4113 | if (test_bit(BNX2X_RSS_IPV6, &p->rss_flags)) |
| 4114 | data->capabilities |= |
| 4115 | ETH_RSS_UPDATE_RAMROD_DATA_IPV6_CAPABILITY; |
| 4116 | |
| 4117 | if (test_bit(BNX2X_RSS_IPV6_TCP, &p->rss_flags)) |
| 4118 | data->capabilities |= |
| 4119 | ETH_RSS_UPDATE_RAMROD_DATA_IPV6_TCP_CAPABILITY; |
| 4120 | |
| 4121 | /* Hashing mask */ |
| 4122 | data->rss_result_mask = p->rss_result_mask; |
| 4123 | |
| 4124 | /* RSS engine ID */ |
| 4125 | data->rss_engine_id = o->engine_id; |
| 4126 | |
| 4127 | DP(BNX2X_MSG_SP, "rss_engine_id=%d\n", data->rss_engine_id); |
| 4128 | |
| 4129 | /* Indirection table */ |
| 4130 | memcpy(data->indirection_table, p->ind_table, |
| 4131 | T_ETH_INDIRECTION_TABLE_SIZE); |
| 4132 | |
| 4133 | /* Remember the last configuration */ |
| 4134 | memcpy(o->ind_table, p->ind_table, T_ETH_INDIRECTION_TABLE_SIZE); |
| 4135 | |
| 4136 | /* Print the indirection table */ |
| 4137 | if (netif_msg_ifup(bp)) |
| 4138 | bnx2x_debug_print_ind_table(bp, p); |
| 4139 | |
| 4140 | /* RSS keys */ |
| 4141 | if (test_bit(BNX2X_RSS_SET_SRCH, &p->rss_flags)) { |
| 4142 | memcpy(&data->rss_key[0], &p->rss_key[0], |
| 4143 | sizeof(data->rss_key)); |
| 4144 | data->capabilities |= ETH_RSS_UPDATE_RAMROD_DATA_UPDATE_RSS_KEY; |
| 4145 | } |
| 4146 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 4147 | /* |
| 4148 | * No need for an explicit memory barrier here as long we would |
| 4149 | * need to ensure the ordering of writing to the SPQ element |
| 4150 | * and updating of the SPQ producer which involves a memory |
| 4151 | * read and we will have to put a full memory barrier there |
| 4152 | * (inside bnx2x_sp_post()). |
| 4153 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4154 | |
| 4155 | /* Send a ramrod */ |
| 4156 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_RSS_UPDATE, r->cid, |
| 4157 | U64_HI(r->rdata_mapping), |
| 4158 | U64_LO(r->rdata_mapping), |
| 4159 | ETH_CONNECTION_TYPE); |
| 4160 | |
| 4161 | if (rc < 0) |
| 4162 | return rc; |
| 4163 | |
| 4164 | return 1; |
| 4165 | } |
| 4166 | |
| 4167 | void bnx2x_get_rss_ind_table(struct bnx2x_rss_config_obj *rss_obj, |
| 4168 | u8 *ind_table) |
| 4169 | { |
| 4170 | memcpy(ind_table, rss_obj->ind_table, sizeof(rss_obj->ind_table)); |
| 4171 | } |
| 4172 | |
| 4173 | int bnx2x_config_rss(struct bnx2x *bp, |
| 4174 | struct bnx2x_config_rss_params *p) |
| 4175 | { |
| 4176 | int rc; |
| 4177 | struct bnx2x_rss_config_obj *o = p->rss_obj; |
| 4178 | struct bnx2x_raw_obj *r = &o->raw; |
| 4179 | |
| 4180 | /* Do nothing if only driver cleanup was requested */ |
| 4181 | if (test_bit(RAMROD_DRV_CLR_ONLY, &p->ramrod_flags)) |
| 4182 | return 0; |
| 4183 | |
| 4184 | r->set_pending(r); |
| 4185 | |
| 4186 | rc = o->config_rss(bp, p); |
| 4187 | if (rc < 0) { |
| 4188 | r->clear_pending(r); |
| 4189 | return rc; |
| 4190 | } |
| 4191 | |
| 4192 | if (test_bit(RAMROD_COMP_WAIT, &p->ramrod_flags)) |
| 4193 | rc = r->wait_comp(bp, r); |
| 4194 | |
| 4195 | return rc; |
| 4196 | } |
| 4197 | |
| 4198 | |
| 4199 | void bnx2x_init_rss_config_obj(struct bnx2x *bp, |
| 4200 | struct bnx2x_rss_config_obj *rss_obj, |
| 4201 | u8 cl_id, u32 cid, u8 func_id, u8 engine_id, |
| 4202 | void *rdata, dma_addr_t rdata_mapping, |
| 4203 | int state, unsigned long *pstate, |
| 4204 | bnx2x_obj_type type) |
| 4205 | { |
| 4206 | bnx2x_init_raw_obj(&rss_obj->raw, cl_id, cid, func_id, rdata, |
| 4207 | rdata_mapping, state, pstate, type); |
| 4208 | |
| 4209 | rss_obj->engine_id = engine_id; |
| 4210 | rss_obj->config_rss = bnx2x_setup_rss; |
| 4211 | } |
| 4212 | |
| 4213 | /********************** Queue state object ***********************************/ |
| 4214 | |
| 4215 | /** |
| 4216 | * bnx2x_queue_state_change - perform Queue state change transition |
| 4217 | * |
| 4218 | * @bp: device handle |
| 4219 | * @params: parameters to perform the transition |
| 4220 | * |
| 4221 | * returns 0 in case of successfully completed transition, negative error |
| 4222 | * code in case of failure, positive (EBUSY) value if there is a completion |
| 4223 | * to that is still pending (possible only if RAMROD_COMP_WAIT is |
| 4224 | * not set in params->ramrod_flags for asynchronous commands). |
| 4225 | * |
| 4226 | */ |
| 4227 | int bnx2x_queue_state_change(struct bnx2x *bp, |
| 4228 | struct bnx2x_queue_state_params *params) |
| 4229 | { |
| 4230 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4231 | int rc, pending_bit; |
| 4232 | unsigned long *pending = &o->pending; |
| 4233 | |
| 4234 | /* Check that the requested transition is legal */ |
| 4235 | if (o->check_transition(bp, o, params)) |
| 4236 | return -EINVAL; |
| 4237 | |
| 4238 | /* Set "pending" bit */ |
| 4239 | pending_bit = o->set_pending(o, params); |
| 4240 | |
| 4241 | /* Don't send a command if only driver cleanup was requested */ |
| 4242 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) |
| 4243 | o->complete_cmd(bp, o, pending_bit); |
| 4244 | else { |
| 4245 | /* Send a ramrod */ |
| 4246 | rc = o->send_cmd(bp, params); |
| 4247 | if (rc) { |
| 4248 | o->next_state = BNX2X_Q_STATE_MAX; |
| 4249 | clear_bit(pending_bit, pending); |
| 4250 | smp_mb__after_clear_bit(); |
| 4251 | return rc; |
| 4252 | } |
| 4253 | |
| 4254 | if (test_bit(RAMROD_COMP_WAIT, ¶ms->ramrod_flags)) { |
| 4255 | rc = o->wait_comp(bp, o, pending_bit); |
| 4256 | if (rc) |
| 4257 | return rc; |
| 4258 | |
| 4259 | return 0; |
| 4260 | } |
| 4261 | } |
| 4262 | |
| 4263 | return !!test_bit(pending_bit, pending); |
| 4264 | } |
| 4265 | |
| 4266 | |
| 4267 | static int bnx2x_queue_set_pending(struct bnx2x_queue_sp_obj *obj, |
| 4268 | struct bnx2x_queue_state_params *params) |
| 4269 | { |
| 4270 | enum bnx2x_queue_cmd cmd = params->cmd, bit; |
| 4271 | |
| 4272 | /* ACTIVATE and DEACTIVATE commands are implemented on top of |
| 4273 | * UPDATE command. |
| 4274 | */ |
| 4275 | if ((cmd == BNX2X_Q_CMD_ACTIVATE) || |
| 4276 | (cmd == BNX2X_Q_CMD_DEACTIVATE)) |
| 4277 | bit = BNX2X_Q_CMD_UPDATE; |
| 4278 | else |
| 4279 | bit = cmd; |
| 4280 | |
| 4281 | set_bit(bit, &obj->pending); |
| 4282 | return bit; |
| 4283 | } |
| 4284 | |
| 4285 | static int bnx2x_queue_wait_comp(struct bnx2x *bp, |
| 4286 | struct bnx2x_queue_sp_obj *o, |
| 4287 | enum bnx2x_queue_cmd cmd) |
| 4288 | { |
| 4289 | return bnx2x_state_wait(bp, cmd, &o->pending); |
| 4290 | } |
| 4291 | |
| 4292 | /** |
| 4293 | * bnx2x_queue_comp_cmd - complete the state change command. |
| 4294 | * |
| 4295 | * @bp: device handle |
| 4296 | * @o: |
| 4297 | * @cmd: |
| 4298 | * |
| 4299 | * Checks that the arrived completion is expected. |
| 4300 | */ |
| 4301 | static int bnx2x_queue_comp_cmd(struct bnx2x *bp, |
| 4302 | struct bnx2x_queue_sp_obj *o, |
| 4303 | enum bnx2x_queue_cmd cmd) |
| 4304 | { |
| 4305 | unsigned long cur_pending = o->pending; |
| 4306 | |
| 4307 | if (!test_and_clear_bit(cmd, &cur_pending)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 4308 | BNX2X_ERR("Bad MC reply %d for queue %d in state %d pending 0x%lx, next_state %d\n", |
| 4309 | cmd, o->cids[BNX2X_PRIMARY_CID_INDEX], |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4310 | o->state, cur_pending, o->next_state); |
| 4311 | return -EINVAL; |
| 4312 | } |
| 4313 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4314 | if (o->next_tx_only >= o->max_cos) |
| 4315 | /* >= becuase tx only must always be smaller than cos since the |
| 4316 | * primary connection suports COS 0 |
| 4317 | */ |
| 4318 | BNX2X_ERR("illegal value for next tx_only: %d. max cos was %d", |
| 4319 | o->next_tx_only, o->max_cos); |
| 4320 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 4321 | DP(BNX2X_MSG_SP, |
| 4322 | "Completing command %d for queue %d, setting state to %d\n", |
| 4323 | cmd, o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_state); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4324 | |
| 4325 | if (o->next_tx_only) /* print num tx-only if any exist */ |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 4326 | DP(BNX2X_MSG_SP, "primary cid %d: num tx-only cons %d\n", |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 4327 | o->cids[BNX2X_PRIMARY_CID_INDEX], o->next_tx_only); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4328 | |
| 4329 | o->state = o->next_state; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4330 | o->num_tx_only = o->next_tx_only; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4331 | o->next_state = BNX2X_Q_STATE_MAX; |
| 4332 | |
| 4333 | /* It's important that o->state and o->next_state are |
| 4334 | * updated before o->pending. |
| 4335 | */ |
| 4336 | wmb(); |
| 4337 | |
| 4338 | clear_bit(cmd, &o->pending); |
| 4339 | smp_mb__after_clear_bit(); |
| 4340 | |
| 4341 | return 0; |
| 4342 | } |
| 4343 | |
| 4344 | static void bnx2x_q_fill_setup_data_e2(struct bnx2x *bp, |
| 4345 | struct bnx2x_queue_state_params *cmd_params, |
| 4346 | struct client_init_ramrod_data *data) |
| 4347 | { |
| 4348 | struct bnx2x_queue_setup_params *params = &cmd_params->params.setup; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4349 | |
| 4350 | /* Rx data */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4351 | |
| 4352 | /* IPv6 TPA supported for E2 and above only */ |
Vladislav Zolotarov | f5219d8 | 2011-07-19 01:44:11 +0000 | [diff] [blame] | 4353 | data->rx.tpa_en |= test_bit(BNX2X_Q_FLG_TPA_IPV6, ¶ms->flags) * |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4354 | CLIENT_INIT_RX_DATA_TPA_EN_IPV6; |
| 4355 | } |
| 4356 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4357 | static void bnx2x_q_fill_init_general_data(struct bnx2x *bp, |
| 4358 | struct bnx2x_queue_sp_obj *o, |
| 4359 | struct bnx2x_general_setup_params *params, |
| 4360 | struct client_init_general_data *gen_data, |
| 4361 | unsigned long *flags) |
| 4362 | { |
| 4363 | gen_data->client_id = o->cl_id; |
| 4364 | |
| 4365 | if (test_bit(BNX2X_Q_FLG_STATS, flags)) { |
| 4366 | gen_data->statistics_counter_id = |
| 4367 | params->stat_id; |
| 4368 | gen_data->statistics_en_flg = 1; |
| 4369 | gen_data->statistics_zero_flg = |
| 4370 | test_bit(BNX2X_Q_FLG_ZERO_STATS, flags); |
| 4371 | } else |
| 4372 | gen_data->statistics_counter_id = |
| 4373 | DISABLE_STATISTIC_COUNTER_ID_VALUE; |
| 4374 | |
| 4375 | gen_data->is_fcoe_flg = test_bit(BNX2X_Q_FLG_FCOE, flags); |
| 4376 | gen_data->activate_flg = test_bit(BNX2X_Q_FLG_ACTIVE, flags); |
| 4377 | gen_data->sp_client_id = params->spcl_id; |
| 4378 | gen_data->mtu = cpu_to_le16(params->mtu); |
| 4379 | gen_data->func_id = o->func_id; |
| 4380 | |
| 4381 | |
| 4382 | gen_data->cos = params->cos; |
| 4383 | |
| 4384 | gen_data->traffic_type = |
| 4385 | test_bit(BNX2X_Q_FLG_FCOE, flags) ? |
| 4386 | LLFC_TRAFFIC_TYPE_FCOE : LLFC_TRAFFIC_TYPE_NW; |
| 4387 | |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 4388 | DP(BNX2X_MSG_SP, "flags: active %d, cos %d, stats en %d\n", |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4389 | gen_data->activate_flg, gen_data->cos, gen_data->statistics_en_flg); |
| 4390 | } |
| 4391 | |
| 4392 | static void bnx2x_q_fill_init_tx_data(struct bnx2x_queue_sp_obj *o, |
| 4393 | struct bnx2x_txq_setup_params *params, |
| 4394 | struct client_init_tx_data *tx_data, |
| 4395 | unsigned long *flags) |
| 4396 | { |
| 4397 | tx_data->enforce_security_flg = |
| 4398 | test_bit(BNX2X_Q_FLG_TX_SEC, flags); |
| 4399 | tx_data->default_vlan = |
| 4400 | cpu_to_le16(params->default_vlan); |
| 4401 | tx_data->default_vlan_flg = |
| 4402 | test_bit(BNX2X_Q_FLG_DEF_VLAN, flags); |
| 4403 | tx_data->tx_switching_flg = |
| 4404 | test_bit(BNX2X_Q_FLG_TX_SWITCH, flags); |
| 4405 | tx_data->anti_spoofing_flg = |
| 4406 | test_bit(BNX2X_Q_FLG_ANTI_SPOOF, flags); |
| 4407 | tx_data->tx_status_block_id = params->fw_sb_id; |
| 4408 | tx_data->tx_sb_index_number = params->sb_cq_index; |
| 4409 | tx_data->tss_leading_client_id = params->tss_leading_cl_id; |
| 4410 | |
| 4411 | tx_data->tx_bd_page_base.lo = |
| 4412 | cpu_to_le32(U64_LO(params->dscr_map)); |
| 4413 | tx_data->tx_bd_page_base.hi = |
| 4414 | cpu_to_le32(U64_HI(params->dscr_map)); |
| 4415 | |
| 4416 | /* Don't configure any Tx switching mode during queue SETUP */ |
| 4417 | tx_data->state = 0; |
| 4418 | } |
| 4419 | |
| 4420 | static void bnx2x_q_fill_init_pause_data(struct bnx2x_queue_sp_obj *o, |
| 4421 | struct rxq_pause_params *params, |
| 4422 | struct client_init_rx_data *rx_data) |
| 4423 | { |
| 4424 | /* flow control data */ |
| 4425 | rx_data->cqe_pause_thr_low = cpu_to_le16(params->rcq_th_lo); |
| 4426 | rx_data->cqe_pause_thr_high = cpu_to_le16(params->rcq_th_hi); |
| 4427 | rx_data->bd_pause_thr_low = cpu_to_le16(params->bd_th_lo); |
| 4428 | rx_data->bd_pause_thr_high = cpu_to_le16(params->bd_th_hi); |
| 4429 | rx_data->sge_pause_thr_low = cpu_to_le16(params->sge_th_lo); |
| 4430 | rx_data->sge_pause_thr_high = cpu_to_le16(params->sge_th_hi); |
| 4431 | rx_data->rx_cos_mask = cpu_to_le16(params->pri_map); |
| 4432 | } |
| 4433 | |
| 4434 | static void bnx2x_q_fill_init_rx_data(struct bnx2x_queue_sp_obj *o, |
| 4435 | struct bnx2x_rxq_setup_params *params, |
| 4436 | struct client_init_rx_data *rx_data, |
| 4437 | unsigned long *flags) |
| 4438 | { |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4439 | rx_data->tpa_en = test_bit(BNX2X_Q_FLG_TPA, flags) * |
| 4440 | CLIENT_INIT_RX_DATA_TPA_EN_IPV4; |
Dmitry Kravkov | 621b4d6 | 2012-02-20 09:59:08 +0000 | [diff] [blame] | 4441 | rx_data->tpa_en |= test_bit(BNX2X_Q_FLG_TPA_GRO, flags) * |
| 4442 | CLIENT_INIT_RX_DATA_TPA_MODE; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4443 | rx_data->vmqueue_mode_en_flg = 0; |
| 4444 | |
| 4445 | rx_data->cache_line_alignment_log_size = |
| 4446 | params->cache_line_log; |
| 4447 | rx_data->enable_dynamic_hc = |
| 4448 | test_bit(BNX2X_Q_FLG_DHC, flags); |
| 4449 | rx_data->max_sges_for_packet = params->max_sges_pkt; |
| 4450 | rx_data->client_qzone_id = params->cl_qzone_id; |
| 4451 | rx_data->max_agg_size = cpu_to_le16(params->tpa_agg_sz); |
| 4452 | |
| 4453 | /* Always start in DROP_ALL mode */ |
| 4454 | rx_data->state = cpu_to_le16(CLIENT_INIT_RX_DATA_UCAST_DROP_ALL | |
| 4455 | CLIENT_INIT_RX_DATA_MCAST_DROP_ALL); |
| 4456 | |
| 4457 | /* We don't set drop flags */ |
| 4458 | rx_data->drop_ip_cs_err_flg = 0; |
| 4459 | rx_data->drop_tcp_cs_err_flg = 0; |
| 4460 | rx_data->drop_ttl0_flg = 0; |
| 4461 | rx_data->drop_udp_cs_err_flg = 0; |
| 4462 | rx_data->inner_vlan_removal_enable_flg = |
| 4463 | test_bit(BNX2X_Q_FLG_VLAN, flags); |
| 4464 | rx_data->outer_vlan_removal_enable_flg = |
| 4465 | test_bit(BNX2X_Q_FLG_OV, flags); |
| 4466 | rx_data->status_block_id = params->fw_sb_id; |
| 4467 | rx_data->rx_sb_index_number = params->sb_cq_index; |
| 4468 | rx_data->max_tpa_queues = params->max_tpa_queues; |
| 4469 | rx_data->max_bytes_on_bd = cpu_to_le16(params->buf_sz); |
| 4470 | rx_data->sge_buff_size = cpu_to_le16(params->sge_buf_sz); |
| 4471 | rx_data->bd_page_base.lo = |
| 4472 | cpu_to_le32(U64_LO(params->dscr_map)); |
| 4473 | rx_data->bd_page_base.hi = |
| 4474 | cpu_to_le32(U64_HI(params->dscr_map)); |
| 4475 | rx_data->sge_page_base.lo = |
| 4476 | cpu_to_le32(U64_LO(params->sge_map)); |
| 4477 | rx_data->sge_page_base.hi = |
| 4478 | cpu_to_le32(U64_HI(params->sge_map)); |
| 4479 | rx_data->cqe_page_base.lo = |
| 4480 | cpu_to_le32(U64_LO(params->rcq_map)); |
| 4481 | rx_data->cqe_page_base.hi = |
| 4482 | cpu_to_le32(U64_HI(params->rcq_map)); |
| 4483 | rx_data->is_leading_rss = test_bit(BNX2X_Q_FLG_LEADING_RSS, flags); |
| 4484 | |
| 4485 | if (test_bit(BNX2X_Q_FLG_MCAST, flags)) { |
Yuval Mintz | 259afa1 | 2012-03-12 08:53:10 +0000 | [diff] [blame] | 4486 | rx_data->approx_mcast_engine_id = params->mcast_engine_id; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4487 | rx_data->is_approx_mcast = 1; |
| 4488 | } |
| 4489 | |
| 4490 | rx_data->rss_engine_id = params->rss_engine_id; |
| 4491 | |
| 4492 | /* silent vlan removal */ |
| 4493 | rx_data->silent_vlan_removal_flg = |
| 4494 | test_bit(BNX2X_Q_FLG_SILENT_VLAN_REM, flags); |
| 4495 | rx_data->silent_vlan_value = |
| 4496 | cpu_to_le16(params->silent_removal_value); |
| 4497 | rx_data->silent_vlan_mask = |
| 4498 | cpu_to_le16(params->silent_removal_mask); |
| 4499 | |
| 4500 | } |
| 4501 | |
| 4502 | /* initialize the general, tx and rx parts of a queue object */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4503 | static void bnx2x_q_fill_setup_data_cmn(struct bnx2x *bp, |
| 4504 | struct bnx2x_queue_state_params *cmd_params, |
| 4505 | struct client_init_ramrod_data *data) |
| 4506 | { |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4507 | bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj, |
| 4508 | &cmd_params->params.setup.gen_params, |
| 4509 | &data->general, |
| 4510 | &cmd_params->params.setup.flags); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4511 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4512 | bnx2x_q_fill_init_tx_data(cmd_params->q_obj, |
| 4513 | &cmd_params->params.setup.txq_params, |
| 4514 | &data->tx, |
| 4515 | &cmd_params->params.setup.flags); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4516 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4517 | bnx2x_q_fill_init_rx_data(cmd_params->q_obj, |
| 4518 | &cmd_params->params.setup.rxq_params, |
| 4519 | &data->rx, |
| 4520 | &cmd_params->params.setup.flags); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4521 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4522 | bnx2x_q_fill_init_pause_data(cmd_params->q_obj, |
| 4523 | &cmd_params->params.setup.pause_params, |
| 4524 | &data->rx); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4525 | } |
| 4526 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4527 | /* initialize the general and tx parts of a tx-only queue object */ |
| 4528 | static void bnx2x_q_fill_setup_tx_only(struct bnx2x *bp, |
| 4529 | struct bnx2x_queue_state_params *cmd_params, |
| 4530 | struct tx_queue_init_ramrod_data *data) |
| 4531 | { |
| 4532 | bnx2x_q_fill_init_general_data(bp, cmd_params->q_obj, |
| 4533 | &cmd_params->params.tx_only.gen_params, |
| 4534 | &data->general, |
| 4535 | &cmd_params->params.tx_only.flags); |
| 4536 | |
| 4537 | bnx2x_q_fill_init_tx_data(cmd_params->q_obj, |
| 4538 | &cmd_params->params.tx_only.txq_params, |
| 4539 | &data->tx, |
| 4540 | &cmd_params->params.tx_only.flags); |
| 4541 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 4542 | DP(BNX2X_MSG_SP, "cid %d, tx bd page lo %x hi %x", |
| 4543 | cmd_params->q_obj->cids[0], |
| 4544 | data->tx.tx_bd_page_base.lo, |
| 4545 | data->tx.tx_bd_page_base.hi); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4546 | } |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4547 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4548 | /** |
| 4549 | * bnx2x_q_init - init HW/FW queue |
| 4550 | * |
| 4551 | * @bp: device handle |
| 4552 | * @params: |
| 4553 | * |
| 4554 | * HW/FW initial Queue configuration: |
| 4555 | * - HC: Rx and Tx |
| 4556 | * - CDU context validation |
| 4557 | * |
| 4558 | */ |
| 4559 | static inline int bnx2x_q_init(struct bnx2x *bp, |
| 4560 | struct bnx2x_queue_state_params *params) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4561 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4562 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4563 | struct bnx2x_queue_init_params *init = ¶ms->params.init; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4564 | u16 hc_usec; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4565 | u8 cos; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4566 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4567 | /* Tx HC configuration */ |
| 4568 | if (test_bit(BNX2X_Q_TYPE_HAS_TX, &o->type) && |
| 4569 | test_bit(BNX2X_Q_FLG_HC, &init->tx.flags)) { |
| 4570 | hc_usec = init->tx.hc_rate ? 1000000 / init->tx.hc_rate : 0; |
| 4571 | |
| 4572 | bnx2x_update_coalesce_sb_index(bp, init->tx.fw_sb_id, |
| 4573 | init->tx.sb_cq_index, |
| 4574 | !test_bit(BNX2X_Q_FLG_HC_EN, &init->tx.flags), |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4575 | hc_usec); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4576 | } |
| 4577 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4578 | /* Rx HC configuration */ |
| 4579 | if (test_bit(BNX2X_Q_TYPE_HAS_RX, &o->type) && |
| 4580 | test_bit(BNX2X_Q_FLG_HC, &init->rx.flags)) { |
| 4581 | hc_usec = init->rx.hc_rate ? 1000000 / init->rx.hc_rate : 0; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4582 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4583 | bnx2x_update_coalesce_sb_index(bp, init->rx.fw_sb_id, |
| 4584 | init->rx.sb_cq_index, |
| 4585 | !test_bit(BNX2X_Q_FLG_HC_EN, &init->rx.flags), |
| 4586 | hc_usec); |
| 4587 | } |
| 4588 | |
| 4589 | /* Set CDU context validation values */ |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4590 | for (cos = 0; cos < o->max_cos; cos++) { |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 4591 | DP(BNX2X_MSG_SP, "setting context validation. cid %d, cos %d\n", |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4592 | o->cids[cos], cos); |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 4593 | DP(BNX2X_MSG_SP, "context pointer %p\n", init->cxts[cos]); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4594 | bnx2x_set_ctx_validation(bp, init->cxts[cos], o->cids[cos]); |
| 4595 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4596 | |
| 4597 | /* As no ramrod is sent, complete the command immediately */ |
| 4598 | o->complete_cmd(bp, o, BNX2X_Q_CMD_INIT); |
| 4599 | |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4600 | mmiowb(); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4601 | smp_mb(); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4602 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4603 | return 0; |
| 4604 | } |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4605 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4606 | static inline int bnx2x_q_send_setup_e1x(struct bnx2x *bp, |
| 4607 | struct bnx2x_queue_state_params *params) |
| 4608 | { |
| 4609 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4610 | struct client_init_ramrod_data *rdata = |
| 4611 | (struct client_init_ramrod_data *)o->rdata; |
| 4612 | dma_addr_t data_mapping = o->rdata_mapping; |
| 4613 | int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 4614 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4615 | /* Clear the ramrod data */ |
| 4616 | memset(rdata, 0, sizeof(*rdata)); |
| 4617 | |
| 4618 | /* Fill the ramrod data */ |
| 4619 | bnx2x_q_fill_setup_data_cmn(bp, params, rdata); |
| 4620 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 4621 | /* |
| 4622 | * No need for an explicit memory barrier here as long we would |
| 4623 | * need to ensure the ordering of writing to the SPQ element |
| 4624 | * and updating of the SPQ producer which involves a memory |
| 4625 | * read and we will have to put a full memory barrier there |
| 4626 | * (inside bnx2x_sp_post()). |
| 4627 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4628 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4629 | return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX], |
| 4630 | U64_HI(data_mapping), |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4631 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
| 4632 | } |
| 4633 | |
| 4634 | static inline int bnx2x_q_send_setup_e2(struct bnx2x *bp, |
| 4635 | struct bnx2x_queue_state_params *params) |
| 4636 | { |
| 4637 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4638 | struct client_init_ramrod_data *rdata = |
| 4639 | (struct client_init_ramrod_data *)o->rdata; |
| 4640 | dma_addr_t data_mapping = o->rdata_mapping; |
| 4641 | int ramrod = RAMROD_CMD_ID_ETH_CLIENT_SETUP; |
| 4642 | |
| 4643 | /* Clear the ramrod data */ |
| 4644 | memset(rdata, 0, sizeof(*rdata)); |
| 4645 | |
| 4646 | /* Fill the ramrod data */ |
| 4647 | bnx2x_q_fill_setup_data_cmn(bp, params, rdata); |
| 4648 | bnx2x_q_fill_setup_data_e2(bp, params, rdata); |
| 4649 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 4650 | /* |
| 4651 | * No need for an explicit memory barrier here as long we would |
| 4652 | * need to ensure the ordering of writing to the SPQ element |
| 4653 | * and updating of the SPQ producer which involves a memory |
| 4654 | * read and we will have to put a full memory barrier there |
| 4655 | * (inside bnx2x_sp_post()). |
| 4656 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4657 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4658 | return bnx2x_sp_post(bp, ramrod, o->cids[BNX2X_PRIMARY_CID_INDEX], |
| 4659 | U64_HI(data_mapping), |
| 4660 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
| 4661 | } |
| 4662 | |
| 4663 | static inline int bnx2x_q_send_setup_tx_only(struct bnx2x *bp, |
| 4664 | struct bnx2x_queue_state_params *params) |
| 4665 | { |
| 4666 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4667 | struct tx_queue_init_ramrod_data *rdata = |
| 4668 | (struct tx_queue_init_ramrod_data *)o->rdata; |
| 4669 | dma_addr_t data_mapping = o->rdata_mapping; |
| 4670 | int ramrod = RAMROD_CMD_ID_ETH_TX_QUEUE_SETUP; |
| 4671 | struct bnx2x_queue_setup_tx_only_params *tx_only_params = |
| 4672 | ¶ms->params.tx_only; |
| 4673 | u8 cid_index = tx_only_params->cid_index; |
| 4674 | |
| 4675 | |
| 4676 | if (cid_index >= o->max_cos) { |
| 4677 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", |
| 4678 | o->cl_id, cid_index); |
| 4679 | return -EINVAL; |
| 4680 | } |
| 4681 | |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 4682 | DP(BNX2X_MSG_SP, "parameters received: cos: %d sp-id: %d\n", |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4683 | tx_only_params->gen_params.cos, |
| 4684 | tx_only_params->gen_params.spcl_id); |
| 4685 | |
| 4686 | /* Clear the ramrod data */ |
| 4687 | memset(rdata, 0, sizeof(*rdata)); |
| 4688 | |
| 4689 | /* Fill the ramrod data */ |
| 4690 | bnx2x_q_fill_setup_tx_only(bp, params, rdata); |
| 4691 | |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 4692 | DP(BNX2X_MSG_SP, "sending tx-only ramrod: cid %d, client-id %d, sp-client id %d, cos %d\n", |
| 4693 | o->cids[cid_index], rdata->general.client_id, |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4694 | rdata->general.sp_client_id, rdata->general.cos); |
| 4695 | |
| 4696 | /* |
| 4697 | * No need for an explicit memory barrier here as long we would |
| 4698 | * need to ensure the ordering of writing to the SPQ element |
| 4699 | * and updating of the SPQ producer which involves a memory |
| 4700 | * read and we will have to put a full memory barrier there |
| 4701 | * (inside bnx2x_sp_post()). |
| 4702 | */ |
| 4703 | |
| 4704 | return bnx2x_sp_post(bp, ramrod, o->cids[cid_index], |
| 4705 | U64_HI(data_mapping), |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4706 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
| 4707 | } |
| 4708 | |
| 4709 | static void bnx2x_q_fill_update_data(struct bnx2x *bp, |
| 4710 | struct bnx2x_queue_sp_obj *obj, |
| 4711 | struct bnx2x_queue_update_params *params, |
| 4712 | struct client_update_ramrod_data *data) |
| 4713 | { |
| 4714 | /* Client ID of the client to update */ |
| 4715 | data->client_id = obj->cl_id; |
| 4716 | |
| 4717 | /* Function ID of the client to update */ |
| 4718 | data->func_id = obj->func_id; |
| 4719 | |
| 4720 | /* Default VLAN value */ |
| 4721 | data->default_vlan = cpu_to_le16(params->def_vlan); |
| 4722 | |
| 4723 | /* Inner VLAN stripping */ |
| 4724 | data->inner_vlan_removal_enable_flg = |
| 4725 | test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM, ¶ms->update_flags); |
| 4726 | data->inner_vlan_removal_change_flg = |
| 4727 | test_bit(BNX2X_Q_UPDATE_IN_VLAN_REM_CHNG, |
| 4728 | ¶ms->update_flags); |
| 4729 | |
| 4730 | /* Outer VLAN sripping */ |
| 4731 | data->outer_vlan_removal_enable_flg = |
| 4732 | test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM, ¶ms->update_flags); |
| 4733 | data->outer_vlan_removal_change_flg = |
| 4734 | test_bit(BNX2X_Q_UPDATE_OUT_VLAN_REM_CHNG, |
| 4735 | ¶ms->update_flags); |
| 4736 | |
| 4737 | /* Drop packets that have source MAC that doesn't belong to this |
| 4738 | * Queue. |
| 4739 | */ |
| 4740 | data->anti_spoofing_enable_flg = |
| 4741 | test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF, ¶ms->update_flags); |
| 4742 | data->anti_spoofing_change_flg = |
| 4743 | test_bit(BNX2X_Q_UPDATE_ANTI_SPOOF_CHNG, ¶ms->update_flags); |
| 4744 | |
| 4745 | /* Activate/Deactivate */ |
| 4746 | data->activate_flg = |
| 4747 | test_bit(BNX2X_Q_UPDATE_ACTIVATE, ¶ms->update_flags); |
| 4748 | data->activate_change_flg = |
| 4749 | test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, ¶ms->update_flags); |
| 4750 | |
| 4751 | /* Enable default VLAN */ |
| 4752 | data->default_vlan_enable_flg = |
| 4753 | test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, ¶ms->update_flags); |
| 4754 | data->default_vlan_change_flg = |
| 4755 | test_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, |
| 4756 | ¶ms->update_flags); |
| 4757 | |
| 4758 | /* silent vlan removal */ |
| 4759 | data->silent_vlan_change_flg = |
| 4760 | test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, |
| 4761 | ¶ms->update_flags); |
| 4762 | data->silent_vlan_removal_flg = |
| 4763 | test_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, ¶ms->update_flags); |
| 4764 | data->silent_vlan_value = cpu_to_le16(params->silent_removal_value); |
| 4765 | data->silent_vlan_mask = cpu_to_le16(params->silent_removal_mask); |
| 4766 | } |
| 4767 | |
| 4768 | static inline int bnx2x_q_send_update(struct bnx2x *bp, |
| 4769 | struct bnx2x_queue_state_params *params) |
| 4770 | { |
| 4771 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4772 | struct client_update_ramrod_data *rdata = |
| 4773 | (struct client_update_ramrod_data *)o->rdata; |
| 4774 | dma_addr_t data_mapping = o->rdata_mapping; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4775 | struct bnx2x_queue_update_params *update_params = |
| 4776 | ¶ms->params.update; |
| 4777 | u8 cid_index = update_params->cid_index; |
| 4778 | |
| 4779 | if (cid_index >= o->max_cos) { |
| 4780 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", |
| 4781 | o->cl_id, cid_index); |
| 4782 | return -EINVAL; |
| 4783 | } |
| 4784 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4785 | |
| 4786 | /* Clear the ramrod data */ |
| 4787 | memset(rdata, 0, sizeof(*rdata)); |
| 4788 | |
| 4789 | /* Fill the ramrod data */ |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4790 | bnx2x_q_fill_update_data(bp, o, update_params, rdata); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4791 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 4792 | /* |
| 4793 | * No need for an explicit memory barrier here as long we would |
| 4794 | * need to ensure the ordering of writing to the SPQ element |
| 4795 | * and updating of the SPQ producer which involves a memory |
| 4796 | * read and we will have to put a full memory barrier there |
| 4797 | * (inside bnx2x_sp_post()). |
| 4798 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4799 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4800 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_UPDATE, |
| 4801 | o->cids[cid_index], U64_HI(data_mapping), |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4802 | U64_LO(data_mapping), ETH_CONNECTION_TYPE); |
| 4803 | } |
| 4804 | |
| 4805 | /** |
| 4806 | * bnx2x_q_send_deactivate - send DEACTIVATE command |
| 4807 | * |
| 4808 | * @bp: device handle |
| 4809 | * @params: |
| 4810 | * |
| 4811 | * implemented using the UPDATE command. |
| 4812 | */ |
| 4813 | static inline int bnx2x_q_send_deactivate(struct bnx2x *bp, |
| 4814 | struct bnx2x_queue_state_params *params) |
| 4815 | { |
| 4816 | struct bnx2x_queue_update_params *update = ¶ms->params.update; |
| 4817 | |
| 4818 | memset(update, 0, sizeof(*update)); |
| 4819 | |
| 4820 | __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags); |
| 4821 | |
| 4822 | return bnx2x_q_send_update(bp, params); |
| 4823 | } |
| 4824 | |
| 4825 | /** |
| 4826 | * bnx2x_q_send_activate - send ACTIVATE command |
| 4827 | * |
| 4828 | * @bp: device handle |
| 4829 | * @params: |
| 4830 | * |
| 4831 | * implemented using the UPDATE command. |
| 4832 | */ |
| 4833 | static inline int bnx2x_q_send_activate(struct bnx2x *bp, |
| 4834 | struct bnx2x_queue_state_params *params) |
| 4835 | { |
| 4836 | struct bnx2x_queue_update_params *update = ¶ms->params.update; |
| 4837 | |
| 4838 | memset(update, 0, sizeof(*update)); |
| 4839 | |
| 4840 | __set_bit(BNX2X_Q_UPDATE_ACTIVATE, &update->update_flags); |
| 4841 | __set_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, &update->update_flags); |
| 4842 | |
| 4843 | return bnx2x_q_send_update(bp, params); |
| 4844 | } |
| 4845 | |
| 4846 | static inline int bnx2x_q_send_update_tpa(struct bnx2x *bp, |
| 4847 | struct bnx2x_queue_state_params *params) |
| 4848 | { |
| 4849 | /* TODO: Not implemented yet. */ |
| 4850 | return -1; |
| 4851 | } |
| 4852 | |
| 4853 | static inline int bnx2x_q_send_halt(struct bnx2x *bp, |
| 4854 | struct bnx2x_queue_state_params *params) |
| 4855 | { |
| 4856 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4857 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4858 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, |
| 4859 | o->cids[BNX2X_PRIMARY_CID_INDEX], 0, o->cl_id, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4860 | ETH_CONNECTION_TYPE); |
| 4861 | } |
| 4862 | |
| 4863 | static inline int bnx2x_q_send_cfc_del(struct bnx2x *bp, |
| 4864 | struct bnx2x_queue_state_params *params) |
| 4865 | { |
| 4866 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4867 | u8 cid_idx = params->params.cfc_del.cid_index; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4868 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4869 | if (cid_idx >= o->max_cos) { |
| 4870 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", |
| 4871 | o->cl_id, cid_idx); |
| 4872 | return -EINVAL; |
| 4873 | } |
| 4874 | |
| 4875 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_CFC_DEL, |
| 4876 | o->cids[cid_idx], 0, 0, NONE_CONNECTION_TYPE); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4877 | } |
| 4878 | |
| 4879 | static inline int bnx2x_q_send_terminate(struct bnx2x *bp, |
| 4880 | struct bnx2x_queue_state_params *params) |
| 4881 | { |
| 4882 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4883 | u8 cid_index = params->params.terminate.cid_index; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4884 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4885 | if (cid_index >= o->max_cos) { |
| 4886 | BNX2X_ERR("queue[%d]: cid_index (%d) is out of range\n", |
| 4887 | o->cl_id, cid_index); |
| 4888 | return -EINVAL; |
| 4889 | } |
| 4890 | |
| 4891 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_TERMINATE, |
| 4892 | o->cids[cid_index], 0, 0, ETH_CONNECTION_TYPE); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4893 | } |
| 4894 | |
| 4895 | static inline int bnx2x_q_send_empty(struct bnx2x *bp, |
| 4896 | struct bnx2x_queue_state_params *params) |
| 4897 | { |
| 4898 | struct bnx2x_queue_sp_obj *o = params->q_obj; |
| 4899 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4900 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_EMPTY, |
| 4901 | o->cids[BNX2X_PRIMARY_CID_INDEX], 0, 0, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4902 | ETH_CONNECTION_TYPE); |
| 4903 | } |
| 4904 | |
| 4905 | static inline int bnx2x_queue_send_cmd_cmn(struct bnx2x *bp, |
| 4906 | struct bnx2x_queue_state_params *params) |
| 4907 | { |
| 4908 | switch (params->cmd) { |
| 4909 | case BNX2X_Q_CMD_INIT: |
| 4910 | return bnx2x_q_init(bp, params); |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4911 | case BNX2X_Q_CMD_SETUP_TX_ONLY: |
| 4912 | return bnx2x_q_send_setup_tx_only(bp, params); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4913 | case BNX2X_Q_CMD_DEACTIVATE: |
| 4914 | return bnx2x_q_send_deactivate(bp, params); |
| 4915 | case BNX2X_Q_CMD_ACTIVATE: |
| 4916 | return bnx2x_q_send_activate(bp, params); |
| 4917 | case BNX2X_Q_CMD_UPDATE: |
| 4918 | return bnx2x_q_send_update(bp, params); |
| 4919 | case BNX2X_Q_CMD_UPDATE_TPA: |
| 4920 | return bnx2x_q_send_update_tpa(bp, params); |
| 4921 | case BNX2X_Q_CMD_HALT: |
| 4922 | return bnx2x_q_send_halt(bp, params); |
| 4923 | case BNX2X_Q_CMD_CFC_DEL: |
| 4924 | return bnx2x_q_send_cfc_del(bp, params); |
| 4925 | case BNX2X_Q_CMD_TERMINATE: |
| 4926 | return bnx2x_q_send_terminate(bp, params); |
| 4927 | case BNX2X_Q_CMD_EMPTY: |
| 4928 | return bnx2x_q_send_empty(bp, params); |
| 4929 | default: |
| 4930 | BNX2X_ERR("Unknown command: %d\n", params->cmd); |
| 4931 | return -EINVAL; |
| 4932 | } |
| 4933 | } |
| 4934 | |
| 4935 | static int bnx2x_queue_send_cmd_e1x(struct bnx2x *bp, |
| 4936 | struct bnx2x_queue_state_params *params) |
| 4937 | { |
| 4938 | switch (params->cmd) { |
| 4939 | case BNX2X_Q_CMD_SETUP: |
| 4940 | return bnx2x_q_send_setup_e1x(bp, params); |
| 4941 | case BNX2X_Q_CMD_INIT: |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4942 | case BNX2X_Q_CMD_SETUP_TX_ONLY: |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4943 | case BNX2X_Q_CMD_DEACTIVATE: |
| 4944 | case BNX2X_Q_CMD_ACTIVATE: |
| 4945 | case BNX2X_Q_CMD_UPDATE: |
| 4946 | case BNX2X_Q_CMD_UPDATE_TPA: |
| 4947 | case BNX2X_Q_CMD_HALT: |
| 4948 | case BNX2X_Q_CMD_CFC_DEL: |
| 4949 | case BNX2X_Q_CMD_TERMINATE: |
| 4950 | case BNX2X_Q_CMD_EMPTY: |
| 4951 | return bnx2x_queue_send_cmd_cmn(bp, params); |
| 4952 | default: |
| 4953 | BNX2X_ERR("Unknown command: %d\n", params->cmd); |
| 4954 | return -EINVAL; |
| 4955 | } |
| 4956 | } |
| 4957 | |
| 4958 | static int bnx2x_queue_send_cmd_e2(struct bnx2x *bp, |
| 4959 | struct bnx2x_queue_state_params *params) |
| 4960 | { |
| 4961 | switch (params->cmd) { |
| 4962 | case BNX2X_Q_CMD_SETUP: |
| 4963 | return bnx2x_q_send_setup_e2(bp, params); |
| 4964 | case BNX2X_Q_CMD_INIT: |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 4965 | case BNX2X_Q_CMD_SETUP_TX_ONLY: |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 4966 | case BNX2X_Q_CMD_DEACTIVATE: |
| 4967 | case BNX2X_Q_CMD_ACTIVATE: |
| 4968 | case BNX2X_Q_CMD_UPDATE: |
| 4969 | case BNX2X_Q_CMD_UPDATE_TPA: |
| 4970 | case BNX2X_Q_CMD_HALT: |
| 4971 | case BNX2X_Q_CMD_CFC_DEL: |
| 4972 | case BNX2X_Q_CMD_TERMINATE: |
| 4973 | case BNX2X_Q_CMD_EMPTY: |
| 4974 | return bnx2x_queue_send_cmd_cmn(bp, params); |
| 4975 | default: |
| 4976 | BNX2X_ERR("Unknown command: %d\n", params->cmd); |
| 4977 | return -EINVAL; |
| 4978 | } |
| 4979 | } |
| 4980 | |
| 4981 | /** |
| 4982 | * bnx2x_queue_chk_transition - check state machine of a regular Queue |
| 4983 | * |
| 4984 | * @bp: device handle |
| 4985 | * @o: |
| 4986 | * @params: |
| 4987 | * |
| 4988 | * (not Forwarding) |
| 4989 | * It both checks if the requested command is legal in a current |
| 4990 | * state and, if it's legal, sets a `next_state' in the object |
| 4991 | * that will be used in the completion flow to set the `state' |
| 4992 | * of the object. |
| 4993 | * |
| 4994 | * returns 0 if a requested command is a legal transition, |
| 4995 | * -EINVAL otherwise. |
| 4996 | */ |
| 4997 | static int bnx2x_queue_chk_transition(struct bnx2x *bp, |
| 4998 | struct bnx2x_queue_sp_obj *o, |
| 4999 | struct bnx2x_queue_state_params *params) |
| 5000 | { |
| 5001 | enum bnx2x_q_state state = o->state, next_state = BNX2X_Q_STATE_MAX; |
| 5002 | enum bnx2x_queue_cmd cmd = params->cmd; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5003 | struct bnx2x_queue_update_params *update_params = |
| 5004 | ¶ms->params.update; |
| 5005 | u8 next_tx_only = o->num_tx_only; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5006 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 5007 | /* |
| 5008 | * Forget all pending for completion commands if a driver only state |
| 5009 | * transition has been requested. |
| 5010 | */ |
| 5011 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { |
| 5012 | o->pending = 0; |
| 5013 | o->next_state = BNX2X_Q_STATE_MAX; |
| 5014 | } |
| 5015 | |
| 5016 | /* |
| 5017 | * Don't allow a next state transition if we are in the middle of |
| 5018 | * the previous one. |
| 5019 | */ |
| 5020 | if (o->pending) |
| 5021 | return -EBUSY; |
| 5022 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5023 | switch (state) { |
| 5024 | case BNX2X_Q_STATE_RESET: |
| 5025 | if (cmd == BNX2X_Q_CMD_INIT) |
| 5026 | next_state = BNX2X_Q_STATE_INITIALIZED; |
| 5027 | |
| 5028 | break; |
| 5029 | case BNX2X_Q_STATE_INITIALIZED: |
| 5030 | if (cmd == BNX2X_Q_CMD_SETUP) { |
| 5031 | if (test_bit(BNX2X_Q_FLG_ACTIVE, |
| 5032 | ¶ms->params.setup.flags)) |
| 5033 | next_state = BNX2X_Q_STATE_ACTIVE; |
| 5034 | else |
| 5035 | next_state = BNX2X_Q_STATE_INACTIVE; |
| 5036 | } |
| 5037 | |
| 5038 | break; |
| 5039 | case BNX2X_Q_STATE_ACTIVE: |
| 5040 | if (cmd == BNX2X_Q_CMD_DEACTIVATE) |
| 5041 | next_state = BNX2X_Q_STATE_INACTIVE; |
| 5042 | |
| 5043 | else if ((cmd == BNX2X_Q_CMD_EMPTY) || |
| 5044 | (cmd == BNX2X_Q_CMD_UPDATE_TPA)) |
| 5045 | next_state = BNX2X_Q_STATE_ACTIVE; |
| 5046 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5047 | else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) { |
| 5048 | next_state = BNX2X_Q_STATE_MULTI_COS; |
| 5049 | next_tx_only = 1; |
| 5050 | } |
| 5051 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5052 | else if (cmd == BNX2X_Q_CMD_HALT) |
| 5053 | next_state = BNX2X_Q_STATE_STOPPED; |
| 5054 | |
| 5055 | else if (cmd == BNX2X_Q_CMD_UPDATE) { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5056 | /* If "active" state change is requested, update the |
| 5057 | * state accordingly. |
| 5058 | */ |
| 5059 | if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, |
| 5060 | &update_params->update_flags) && |
| 5061 | !test_bit(BNX2X_Q_UPDATE_ACTIVATE, |
| 5062 | &update_params->update_flags)) |
| 5063 | next_state = BNX2X_Q_STATE_INACTIVE; |
| 5064 | else |
| 5065 | next_state = BNX2X_Q_STATE_ACTIVE; |
| 5066 | } |
| 5067 | |
| 5068 | break; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5069 | case BNX2X_Q_STATE_MULTI_COS: |
| 5070 | if (cmd == BNX2X_Q_CMD_TERMINATE) |
| 5071 | next_state = BNX2X_Q_STATE_MCOS_TERMINATED; |
| 5072 | |
| 5073 | else if (cmd == BNX2X_Q_CMD_SETUP_TX_ONLY) { |
| 5074 | next_state = BNX2X_Q_STATE_MULTI_COS; |
| 5075 | next_tx_only = o->num_tx_only + 1; |
| 5076 | } |
| 5077 | |
| 5078 | else if ((cmd == BNX2X_Q_CMD_EMPTY) || |
| 5079 | (cmd == BNX2X_Q_CMD_UPDATE_TPA)) |
| 5080 | next_state = BNX2X_Q_STATE_MULTI_COS; |
| 5081 | |
| 5082 | else if (cmd == BNX2X_Q_CMD_UPDATE) { |
| 5083 | /* If "active" state change is requested, update the |
| 5084 | * state accordingly. |
| 5085 | */ |
| 5086 | if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, |
| 5087 | &update_params->update_flags) && |
| 5088 | !test_bit(BNX2X_Q_UPDATE_ACTIVATE, |
| 5089 | &update_params->update_flags)) |
| 5090 | next_state = BNX2X_Q_STATE_INACTIVE; |
| 5091 | else |
| 5092 | next_state = BNX2X_Q_STATE_MULTI_COS; |
| 5093 | } |
| 5094 | |
| 5095 | break; |
| 5096 | case BNX2X_Q_STATE_MCOS_TERMINATED: |
| 5097 | if (cmd == BNX2X_Q_CMD_CFC_DEL) { |
| 5098 | next_tx_only = o->num_tx_only - 1; |
| 5099 | if (next_tx_only == 0) |
| 5100 | next_state = BNX2X_Q_STATE_ACTIVE; |
| 5101 | else |
| 5102 | next_state = BNX2X_Q_STATE_MULTI_COS; |
| 5103 | } |
| 5104 | |
| 5105 | break; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5106 | case BNX2X_Q_STATE_INACTIVE: |
| 5107 | if (cmd == BNX2X_Q_CMD_ACTIVATE) |
| 5108 | next_state = BNX2X_Q_STATE_ACTIVE; |
| 5109 | |
| 5110 | else if ((cmd == BNX2X_Q_CMD_EMPTY) || |
| 5111 | (cmd == BNX2X_Q_CMD_UPDATE_TPA)) |
| 5112 | next_state = BNX2X_Q_STATE_INACTIVE; |
| 5113 | |
| 5114 | else if (cmd == BNX2X_Q_CMD_HALT) |
| 5115 | next_state = BNX2X_Q_STATE_STOPPED; |
| 5116 | |
| 5117 | else if (cmd == BNX2X_Q_CMD_UPDATE) { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5118 | /* If "active" state change is requested, update the |
| 5119 | * state accordingly. |
| 5120 | */ |
| 5121 | if (test_bit(BNX2X_Q_UPDATE_ACTIVATE_CHNG, |
| 5122 | &update_params->update_flags) && |
| 5123 | test_bit(BNX2X_Q_UPDATE_ACTIVATE, |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5124 | &update_params->update_flags)){ |
| 5125 | if (o->num_tx_only == 0) |
| 5126 | next_state = BNX2X_Q_STATE_ACTIVE; |
| 5127 | else /* tx only queues exist for this queue */ |
| 5128 | next_state = BNX2X_Q_STATE_MULTI_COS; |
| 5129 | } else |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5130 | next_state = BNX2X_Q_STATE_INACTIVE; |
| 5131 | } |
| 5132 | |
| 5133 | break; |
| 5134 | case BNX2X_Q_STATE_STOPPED: |
| 5135 | if (cmd == BNX2X_Q_CMD_TERMINATE) |
| 5136 | next_state = BNX2X_Q_STATE_TERMINATED; |
| 5137 | |
| 5138 | break; |
| 5139 | case BNX2X_Q_STATE_TERMINATED: |
| 5140 | if (cmd == BNX2X_Q_CMD_CFC_DEL) |
| 5141 | next_state = BNX2X_Q_STATE_RESET; |
| 5142 | |
| 5143 | break; |
| 5144 | default: |
| 5145 | BNX2X_ERR("Illegal state: %d\n", state); |
| 5146 | } |
| 5147 | |
| 5148 | /* Transition is assured */ |
| 5149 | if (next_state != BNX2X_Q_STATE_MAX) { |
| 5150 | DP(BNX2X_MSG_SP, "Good state transition: %d(%d)->%d\n", |
| 5151 | state, cmd, next_state); |
| 5152 | o->next_state = next_state; |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5153 | o->next_tx_only = next_tx_only; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5154 | return 0; |
| 5155 | } |
| 5156 | |
| 5157 | DP(BNX2X_MSG_SP, "Bad state transition request: %d %d\n", state, cmd); |
| 5158 | |
| 5159 | return -EINVAL; |
| 5160 | } |
| 5161 | |
| 5162 | void bnx2x_init_queue_obj(struct bnx2x *bp, |
| 5163 | struct bnx2x_queue_sp_obj *obj, |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5164 | u8 cl_id, u32 *cids, u8 cid_cnt, u8 func_id, |
| 5165 | void *rdata, |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5166 | dma_addr_t rdata_mapping, unsigned long type) |
| 5167 | { |
| 5168 | memset(obj, 0, sizeof(*obj)); |
| 5169 | |
Ariel Elior | 6383c0b | 2011-07-14 08:31:57 +0000 | [diff] [blame] | 5170 | /* We support only BNX2X_MULTI_TX_COS Tx CoS at the moment */ |
| 5171 | BUG_ON(BNX2X_MULTI_TX_COS < cid_cnt); |
| 5172 | |
| 5173 | memcpy(obj->cids, cids, sizeof(obj->cids[0]) * cid_cnt); |
| 5174 | obj->max_cos = cid_cnt; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5175 | obj->cl_id = cl_id; |
| 5176 | obj->func_id = func_id; |
| 5177 | obj->rdata = rdata; |
| 5178 | obj->rdata_mapping = rdata_mapping; |
| 5179 | obj->type = type; |
| 5180 | obj->next_state = BNX2X_Q_STATE_MAX; |
| 5181 | |
| 5182 | if (CHIP_IS_E1x(bp)) |
| 5183 | obj->send_cmd = bnx2x_queue_send_cmd_e1x; |
| 5184 | else |
| 5185 | obj->send_cmd = bnx2x_queue_send_cmd_e2; |
| 5186 | |
| 5187 | obj->check_transition = bnx2x_queue_chk_transition; |
| 5188 | |
| 5189 | obj->complete_cmd = bnx2x_queue_comp_cmd; |
| 5190 | obj->wait_comp = bnx2x_queue_wait_comp; |
| 5191 | obj->set_pending = bnx2x_queue_set_pending; |
| 5192 | } |
| 5193 | |
| 5194 | /********************** Function state object *********************************/ |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 5195 | enum bnx2x_func_state bnx2x_func_get_state(struct bnx2x *bp, |
| 5196 | struct bnx2x_func_sp_obj *o) |
| 5197 | { |
| 5198 | /* in the middle of transaction - return INVALID state */ |
| 5199 | if (o->pending) |
| 5200 | return BNX2X_F_STATE_MAX; |
| 5201 | |
| 5202 | /* |
| 5203 | * unsure the order of reading of o->pending and o->state |
| 5204 | * o->pending should be read first |
| 5205 | */ |
| 5206 | rmb(); |
| 5207 | |
| 5208 | return o->state; |
| 5209 | } |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5210 | |
| 5211 | static int bnx2x_func_wait_comp(struct bnx2x *bp, |
| 5212 | struct bnx2x_func_sp_obj *o, |
| 5213 | enum bnx2x_func_cmd cmd) |
| 5214 | { |
| 5215 | return bnx2x_state_wait(bp, cmd, &o->pending); |
| 5216 | } |
| 5217 | |
| 5218 | /** |
| 5219 | * bnx2x_func_state_change_comp - complete the state machine transition |
| 5220 | * |
| 5221 | * @bp: device handle |
| 5222 | * @o: |
| 5223 | * @cmd: |
| 5224 | * |
| 5225 | * Called on state change transition. Completes the state |
| 5226 | * machine transition only - no HW interaction. |
| 5227 | */ |
| 5228 | static inline int bnx2x_func_state_change_comp(struct bnx2x *bp, |
| 5229 | struct bnx2x_func_sp_obj *o, |
| 5230 | enum bnx2x_func_cmd cmd) |
| 5231 | { |
| 5232 | unsigned long cur_pending = o->pending; |
| 5233 | |
| 5234 | if (!test_and_clear_bit(cmd, &cur_pending)) { |
Merav Sicron | 51c1a58 | 2012-03-18 10:33:38 +0000 | [diff] [blame] | 5235 | BNX2X_ERR("Bad MC reply %d for func %d in state %d pending 0x%lx, next_state %d\n", |
| 5236 | cmd, BP_FUNC(bp), o->state, |
| 5237 | cur_pending, o->next_state); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5238 | return -EINVAL; |
| 5239 | } |
| 5240 | |
Joe Perches | 94f05b0 | 2011-08-14 12:16:20 +0000 | [diff] [blame] | 5241 | DP(BNX2X_MSG_SP, |
| 5242 | "Completing command %d for func %d, setting state to %d\n", |
| 5243 | cmd, BP_FUNC(bp), o->next_state); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5244 | |
| 5245 | o->state = o->next_state; |
| 5246 | o->next_state = BNX2X_F_STATE_MAX; |
| 5247 | |
| 5248 | /* It's important that o->state and o->next_state are |
| 5249 | * updated before o->pending. |
| 5250 | */ |
| 5251 | wmb(); |
| 5252 | |
| 5253 | clear_bit(cmd, &o->pending); |
| 5254 | smp_mb__after_clear_bit(); |
| 5255 | |
| 5256 | return 0; |
| 5257 | } |
| 5258 | |
| 5259 | /** |
| 5260 | * bnx2x_func_comp_cmd - complete the state change command |
| 5261 | * |
| 5262 | * @bp: device handle |
| 5263 | * @o: |
| 5264 | * @cmd: |
| 5265 | * |
| 5266 | * Checks that the arrived completion is expected. |
| 5267 | */ |
| 5268 | static int bnx2x_func_comp_cmd(struct bnx2x *bp, |
| 5269 | struct bnx2x_func_sp_obj *o, |
| 5270 | enum bnx2x_func_cmd cmd) |
| 5271 | { |
| 5272 | /* Complete the state machine part first, check if it's a |
| 5273 | * legal completion. |
| 5274 | */ |
| 5275 | int rc = bnx2x_func_state_change_comp(bp, o, cmd); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 5276 | return rc; |
| 5277 | } |
| 5278 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5279 | /** |
| 5280 | * bnx2x_func_chk_transition - perform function state machine transition |
| 5281 | * |
| 5282 | * @bp: device handle |
| 5283 | * @o: |
| 5284 | * @params: |
| 5285 | * |
| 5286 | * It both checks if the requested command is legal in a current |
| 5287 | * state and, if it's legal, sets a `next_state' in the object |
| 5288 | * that will be used in the completion flow to set the `state' |
| 5289 | * of the object. |
| 5290 | * |
| 5291 | * returns 0 if a requested command is a legal transition, |
| 5292 | * -EINVAL otherwise. |
| 5293 | */ |
| 5294 | static int bnx2x_func_chk_transition(struct bnx2x *bp, |
| 5295 | struct bnx2x_func_sp_obj *o, |
| 5296 | struct bnx2x_func_state_params *params) |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 5297 | { |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5298 | enum bnx2x_func_state state = o->state, next_state = BNX2X_F_STATE_MAX; |
| 5299 | enum bnx2x_func_cmd cmd = params->cmd; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 5300 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 5301 | /* |
| 5302 | * Forget all pending for completion commands if a driver only state |
| 5303 | * transition has been requested. |
| 5304 | */ |
| 5305 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { |
| 5306 | o->pending = 0; |
| 5307 | o->next_state = BNX2X_F_STATE_MAX; |
| 5308 | } |
| 5309 | |
| 5310 | /* |
| 5311 | * Don't allow a next state transition if we are in the middle of |
| 5312 | * the previous one. |
| 5313 | */ |
| 5314 | if (o->pending) |
| 5315 | return -EBUSY; |
| 5316 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5317 | switch (state) { |
| 5318 | case BNX2X_F_STATE_RESET: |
| 5319 | if (cmd == BNX2X_F_CMD_HW_INIT) |
| 5320 | next_state = BNX2X_F_STATE_INITIALIZED; |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 5321 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5322 | break; |
| 5323 | case BNX2X_F_STATE_INITIALIZED: |
| 5324 | if (cmd == BNX2X_F_CMD_START) |
| 5325 | next_state = BNX2X_F_STATE_STARTED; |
| 5326 | |
| 5327 | else if (cmd == BNX2X_F_CMD_HW_RESET) |
| 5328 | next_state = BNX2X_F_STATE_RESET; |
| 5329 | |
| 5330 | break; |
| 5331 | case BNX2X_F_STATE_STARTED: |
| 5332 | if (cmd == BNX2X_F_CMD_STOP) |
| 5333 | next_state = BNX2X_F_STATE_INITIALIZED; |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 5334 | else if (cmd == BNX2X_F_CMD_TX_STOP) |
| 5335 | next_state = BNX2X_F_STATE_TX_STOPPED; |
| 5336 | |
| 5337 | break; |
| 5338 | case BNX2X_F_STATE_TX_STOPPED: |
| 5339 | if (cmd == BNX2X_F_CMD_TX_START) |
| 5340 | next_state = BNX2X_F_STATE_STARTED; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5341 | |
| 5342 | break; |
| 5343 | default: |
| 5344 | BNX2X_ERR("Unknown state: %d\n", state); |
| 5345 | } |
| 5346 | |
| 5347 | /* Transition is assured */ |
| 5348 | if (next_state != BNX2X_F_STATE_MAX) { |
| 5349 | DP(BNX2X_MSG_SP, "Good function state transition: %d(%d)->%d\n", |
| 5350 | state, cmd, next_state); |
| 5351 | o->next_state = next_state; |
| 5352 | return 0; |
| 5353 | } |
| 5354 | |
| 5355 | DP(BNX2X_MSG_SP, "Bad function state transition request: %d %d\n", |
| 5356 | state, cmd); |
| 5357 | |
| 5358 | return -EINVAL; |
| 5359 | } |
| 5360 | |
| 5361 | /** |
| 5362 | * bnx2x_func_init_func - performs HW init at function stage |
| 5363 | * |
| 5364 | * @bp: device handle |
| 5365 | * @drv: |
| 5366 | * |
| 5367 | * Init HW when the current phase is |
| 5368 | * FW_MSG_CODE_DRV_LOAD_FUNCTION: initialize only FUNCTION-only |
| 5369 | * HW blocks. |
| 5370 | */ |
| 5371 | static inline int bnx2x_func_init_func(struct bnx2x *bp, |
| 5372 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5373 | { |
| 5374 | return drv->init_hw_func(bp); |
| 5375 | } |
| 5376 | |
| 5377 | /** |
| 5378 | * bnx2x_func_init_port - performs HW init at port stage |
| 5379 | * |
| 5380 | * @bp: device handle |
| 5381 | * @drv: |
| 5382 | * |
| 5383 | * Init HW when the current phase is |
| 5384 | * FW_MSG_CODE_DRV_LOAD_PORT: initialize PORT-only and |
| 5385 | * FUNCTION-only HW blocks. |
| 5386 | * |
| 5387 | */ |
| 5388 | static inline int bnx2x_func_init_port(struct bnx2x *bp, |
| 5389 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5390 | { |
| 5391 | int rc = drv->init_hw_port(bp); |
| 5392 | if (rc) |
| 5393 | return rc; |
| 5394 | |
| 5395 | return bnx2x_func_init_func(bp, drv); |
| 5396 | } |
| 5397 | |
| 5398 | /** |
| 5399 | * bnx2x_func_init_cmn_chip - performs HW init at chip-common stage |
| 5400 | * |
| 5401 | * @bp: device handle |
| 5402 | * @drv: |
| 5403 | * |
| 5404 | * Init HW when the current phase is |
| 5405 | * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON_CHIP, |
| 5406 | * PORT-only and FUNCTION-only HW blocks. |
| 5407 | */ |
| 5408 | static inline int bnx2x_func_init_cmn_chip(struct bnx2x *bp, |
| 5409 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5410 | { |
| 5411 | int rc = drv->init_hw_cmn_chip(bp); |
| 5412 | if (rc) |
| 5413 | return rc; |
| 5414 | |
| 5415 | return bnx2x_func_init_port(bp, drv); |
| 5416 | } |
| 5417 | |
| 5418 | /** |
| 5419 | * bnx2x_func_init_cmn - performs HW init at common stage |
| 5420 | * |
| 5421 | * @bp: device handle |
| 5422 | * @drv: |
| 5423 | * |
| 5424 | * Init HW when the current phase is |
| 5425 | * FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: initialize COMMON, |
| 5426 | * PORT-only and FUNCTION-only HW blocks. |
| 5427 | */ |
| 5428 | static inline int bnx2x_func_init_cmn(struct bnx2x *bp, |
| 5429 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5430 | { |
| 5431 | int rc = drv->init_hw_cmn(bp); |
| 5432 | if (rc) |
| 5433 | return rc; |
| 5434 | |
| 5435 | return bnx2x_func_init_port(bp, drv); |
| 5436 | } |
| 5437 | |
| 5438 | static int bnx2x_func_hw_init(struct bnx2x *bp, |
| 5439 | struct bnx2x_func_state_params *params) |
| 5440 | { |
| 5441 | u32 load_code = params->params.hw_init.load_phase; |
| 5442 | struct bnx2x_func_sp_obj *o = params->f_obj; |
| 5443 | const struct bnx2x_func_sp_drv_ops *drv = o->drv; |
| 5444 | int rc = 0; |
| 5445 | |
| 5446 | DP(BNX2X_MSG_SP, "function %d load_code %x\n", |
| 5447 | BP_ABS_FUNC(bp), load_code); |
| 5448 | |
| 5449 | /* Prepare buffers for unzipping the FW */ |
| 5450 | rc = drv->gunzip_init(bp); |
| 5451 | if (rc) |
| 5452 | return rc; |
| 5453 | |
| 5454 | /* Prepare FW */ |
| 5455 | rc = drv->init_fw(bp); |
| 5456 | if (rc) { |
| 5457 | BNX2X_ERR("Error loading firmware\n"); |
Dmitry Kravkov | eb2afd4 | 2011-11-15 12:07:33 +0000 | [diff] [blame] | 5458 | goto init_err; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5459 | } |
| 5460 | |
| 5461 | /* Handle the beginning of COMMON_XXX pases separatelly... */ |
| 5462 | switch (load_code) { |
| 5463 | case FW_MSG_CODE_DRV_LOAD_COMMON_CHIP: |
| 5464 | rc = bnx2x_func_init_cmn_chip(bp, drv); |
| 5465 | if (rc) |
Dmitry Kravkov | eb2afd4 | 2011-11-15 12:07:33 +0000 | [diff] [blame] | 5466 | goto init_err; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5467 | |
| 5468 | break; |
| 5469 | case FW_MSG_CODE_DRV_LOAD_COMMON: |
| 5470 | rc = bnx2x_func_init_cmn(bp, drv); |
| 5471 | if (rc) |
Dmitry Kravkov | eb2afd4 | 2011-11-15 12:07:33 +0000 | [diff] [blame] | 5472 | goto init_err; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5473 | |
| 5474 | break; |
| 5475 | case FW_MSG_CODE_DRV_LOAD_PORT: |
| 5476 | rc = bnx2x_func_init_port(bp, drv); |
| 5477 | if (rc) |
Dmitry Kravkov | eb2afd4 | 2011-11-15 12:07:33 +0000 | [diff] [blame] | 5478 | goto init_err; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5479 | |
| 5480 | break; |
| 5481 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: |
| 5482 | rc = bnx2x_func_init_func(bp, drv); |
| 5483 | if (rc) |
Dmitry Kravkov | eb2afd4 | 2011-11-15 12:07:33 +0000 | [diff] [blame] | 5484 | goto init_err; |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5485 | |
| 5486 | break; |
| 5487 | default: |
| 5488 | BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); |
| 5489 | rc = -EINVAL; |
| 5490 | } |
| 5491 | |
Dmitry Kravkov | eb2afd4 | 2011-11-15 12:07:33 +0000 | [diff] [blame] | 5492 | init_err: |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5493 | drv->gunzip_end(bp); |
| 5494 | |
| 5495 | /* In case of success, complete the comand immediatelly: no ramrods |
| 5496 | * have been sent. |
| 5497 | */ |
| 5498 | if (!rc) |
| 5499 | o->complete_cmd(bp, o, BNX2X_F_CMD_HW_INIT); |
| 5500 | |
| 5501 | return rc; |
| 5502 | } |
| 5503 | |
| 5504 | /** |
| 5505 | * bnx2x_func_reset_func - reset HW at function stage |
| 5506 | * |
| 5507 | * @bp: device handle |
| 5508 | * @drv: |
| 5509 | * |
| 5510 | * Reset HW at FW_MSG_CODE_DRV_UNLOAD_FUNCTION stage: reset only |
| 5511 | * FUNCTION-only HW blocks. |
| 5512 | */ |
| 5513 | static inline void bnx2x_func_reset_func(struct bnx2x *bp, |
| 5514 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5515 | { |
| 5516 | drv->reset_hw_func(bp); |
| 5517 | } |
| 5518 | |
| 5519 | /** |
| 5520 | * bnx2x_func_reset_port - reser HW at port stage |
| 5521 | * |
| 5522 | * @bp: device handle |
| 5523 | * @drv: |
| 5524 | * |
| 5525 | * Reset HW at FW_MSG_CODE_DRV_UNLOAD_PORT stage: reset |
| 5526 | * FUNCTION-only and PORT-only HW blocks. |
| 5527 | * |
| 5528 | * !!!IMPORTANT!!! |
| 5529 | * |
| 5530 | * It's important to call reset_port before reset_func() as the last thing |
| 5531 | * reset_func does is pf_disable() thus disabling PGLUE_B, which |
| 5532 | * makes impossible any DMAE transactions. |
| 5533 | */ |
| 5534 | static inline void bnx2x_func_reset_port(struct bnx2x *bp, |
| 5535 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5536 | { |
| 5537 | drv->reset_hw_port(bp); |
| 5538 | bnx2x_func_reset_func(bp, drv); |
| 5539 | } |
| 5540 | |
| 5541 | /** |
| 5542 | * bnx2x_func_reset_cmn - reser HW at common stage |
| 5543 | * |
| 5544 | * @bp: device handle |
| 5545 | * @drv: |
| 5546 | * |
| 5547 | * Reset HW at FW_MSG_CODE_DRV_UNLOAD_COMMON and |
| 5548 | * FW_MSG_CODE_DRV_UNLOAD_COMMON_CHIP stages: reset COMMON, |
| 5549 | * COMMON_CHIP, FUNCTION-only and PORT-only HW blocks. |
| 5550 | */ |
| 5551 | static inline void bnx2x_func_reset_cmn(struct bnx2x *bp, |
| 5552 | const struct bnx2x_func_sp_drv_ops *drv) |
| 5553 | { |
| 5554 | bnx2x_func_reset_port(bp, drv); |
| 5555 | drv->reset_hw_cmn(bp); |
| 5556 | } |
| 5557 | |
| 5558 | |
| 5559 | static inline int bnx2x_func_hw_reset(struct bnx2x *bp, |
| 5560 | struct bnx2x_func_state_params *params) |
| 5561 | { |
| 5562 | u32 reset_phase = params->params.hw_reset.reset_phase; |
| 5563 | struct bnx2x_func_sp_obj *o = params->f_obj; |
| 5564 | const struct bnx2x_func_sp_drv_ops *drv = o->drv; |
| 5565 | |
| 5566 | DP(BNX2X_MSG_SP, "function %d reset_phase %x\n", BP_ABS_FUNC(bp), |
| 5567 | reset_phase); |
| 5568 | |
| 5569 | switch (reset_phase) { |
| 5570 | case FW_MSG_CODE_DRV_UNLOAD_COMMON: |
| 5571 | bnx2x_func_reset_cmn(bp, drv); |
| 5572 | break; |
| 5573 | case FW_MSG_CODE_DRV_UNLOAD_PORT: |
| 5574 | bnx2x_func_reset_port(bp, drv); |
| 5575 | break; |
| 5576 | case FW_MSG_CODE_DRV_UNLOAD_FUNCTION: |
| 5577 | bnx2x_func_reset_func(bp, drv); |
| 5578 | break; |
| 5579 | default: |
| 5580 | BNX2X_ERR("Unknown reset_phase (0x%x) from MCP\n", |
| 5581 | reset_phase); |
| 5582 | break; |
| 5583 | } |
| 5584 | |
| 5585 | /* Complete the comand immediatelly: no ramrods have been sent. */ |
| 5586 | o->complete_cmd(bp, o, BNX2X_F_CMD_HW_RESET); |
| 5587 | |
| 5588 | return 0; |
| 5589 | } |
| 5590 | |
| 5591 | static inline int bnx2x_func_send_start(struct bnx2x *bp, |
| 5592 | struct bnx2x_func_state_params *params) |
| 5593 | { |
| 5594 | struct bnx2x_func_sp_obj *o = params->f_obj; |
| 5595 | struct function_start_data *rdata = |
| 5596 | (struct function_start_data *)o->rdata; |
| 5597 | dma_addr_t data_mapping = o->rdata_mapping; |
| 5598 | struct bnx2x_func_start_params *start_params = ¶ms->params.start; |
| 5599 | |
| 5600 | memset(rdata, 0, sizeof(*rdata)); |
| 5601 | |
| 5602 | /* Fill the ramrod data with provided parameters */ |
| 5603 | rdata->function_mode = cpu_to_le16(start_params->mf_mode); |
Ariel Elior | ab4a713 | 2012-03-12 11:22:05 +0000 | [diff] [blame] | 5604 | rdata->sd_vlan_tag = cpu_to_le16(start_params->sd_vlan_tag); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5605 | rdata->path_id = BP_PATH(bp); |
| 5606 | rdata->network_cos_mode = start_params->network_cos_mode; |
| 5607 | |
Vladislav Zolotarov | 53e51e2 | 2011-07-19 01:45:02 +0000 | [diff] [blame] | 5608 | /* |
| 5609 | * No need for an explicit memory barrier here as long we would |
| 5610 | * need to ensure the ordering of writing to the SPQ element |
| 5611 | * and updating of the SPQ producer which involves a memory |
| 5612 | * read and we will have to put a full memory barrier there |
| 5613 | * (inside bnx2x_sp_post()). |
| 5614 | */ |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5615 | |
| 5616 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_START, 0, |
| 5617 | U64_HI(data_mapping), |
| 5618 | U64_LO(data_mapping), NONE_CONNECTION_TYPE); |
| 5619 | } |
| 5620 | |
| 5621 | static inline int bnx2x_func_send_stop(struct bnx2x *bp, |
| 5622 | struct bnx2x_func_state_params *params) |
| 5623 | { |
| 5624 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_FUNCTION_STOP, 0, 0, 0, |
| 5625 | NONE_CONNECTION_TYPE); |
| 5626 | } |
| 5627 | |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 5628 | static inline int bnx2x_func_send_tx_stop(struct bnx2x *bp, |
| 5629 | struct bnx2x_func_state_params *params) |
| 5630 | { |
| 5631 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_STOP_TRAFFIC, 0, 0, 0, |
| 5632 | NONE_CONNECTION_TYPE); |
| 5633 | } |
| 5634 | static inline int bnx2x_func_send_tx_start(struct bnx2x *bp, |
| 5635 | struct bnx2x_func_state_params *params) |
| 5636 | { |
| 5637 | struct bnx2x_func_sp_obj *o = params->f_obj; |
| 5638 | struct flow_control_configuration *rdata = |
| 5639 | (struct flow_control_configuration *)o->rdata; |
| 5640 | dma_addr_t data_mapping = o->rdata_mapping; |
| 5641 | struct bnx2x_func_tx_start_params *tx_start_params = |
| 5642 | ¶ms->params.tx_start; |
| 5643 | int i; |
| 5644 | |
| 5645 | memset(rdata, 0, sizeof(*rdata)); |
| 5646 | |
| 5647 | rdata->dcb_enabled = tx_start_params->dcb_enabled; |
| 5648 | rdata->dcb_version = tx_start_params->dcb_version; |
| 5649 | rdata->dont_add_pri_0_en = tx_start_params->dont_add_pri_0_en; |
| 5650 | |
| 5651 | for (i = 0; i < ARRAY_SIZE(rdata->traffic_type_to_priority_cos); i++) |
| 5652 | rdata->traffic_type_to_priority_cos[i] = |
| 5653 | tx_start_params->traffic_type_to_priority_cos[i]; |
| 5654 | |
| 5655 | return bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_START_TRAFFIC, 0, |
| 5656 | U64_HI(data_mapping), |
| 5657 | U64_LO(data_mapping), NONE_CONNECTION_TYPE); |
| 5658 | } |
| 5659 | |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5660 | static int bnx2x_func_send_cmd(struct bnx2x *bp, |
| 5661 | struct bnx2x_func_state_params *params) |
| 5662 | { |
| 5663 | switch (params->cmd) { |
| 5664 | case BNX2X_F_CMD_HW_INIT: |
| 5665 | return bnx2x_func_hw_init(bp, params); |
| 5666 | case BNX2X_F_CMD_START: |
| 5667 | return bnx2x_func_send_start(bp, params); |
| 5668 | case BNX2X_F_CMD_STOP: |
| 5669 | return bnx2x_func_send_stop(bp, params); |
| 5670 | case BNX2X_F_CMD_HW_RESET: |
| 5671 | return bnx2x_func_hw_reset(bp, params); |
Dmitry Kravkov | 6debea8 | 2011-07-19 01:42:04 +0000 | [diff] [blame] | 5672 | case BNX2X_F_CMD_TX_STOP: |
| 5673 | return bnx2x_func_send_tx_stop(bp, params); |
| 5674 | case BNX2X_F_CMD_TX_START: |
| 5675 | return bnx2x_func_send_tx_start(bp, params); |
Vlad Zolotarov | 619c5cb | 2011-06-14 14:33:44 +0300 | [diff] [blame] | 5676 | default: |
| 5677 | BNX2X_ERR("Unknown command: %d\n", params->cmd); |
| 5678 | return -EINVAL; |
| 5679 | } |
| 5680 | } |
| 5681 | |
| 5682 | void bnx2x_init_func_obj(struct bnx2x *bp, |
| 5683 | struct bnx2x_func_sp_obj *obj, |
| 5684 | void *rdata, dma_addr_t rdata_mapping, |
| 5685 | struct bnx2x_func_sp_drv_ops *drv_iface) |
| 5686 | { |
| 5687 | memset(obj, 0, sizeof(*obj)); |
| 5688 | |
| 5689 | mutex_init(&obj->one_pending_mutex); |
| 5690 | |
| 5691 | obj->rdata = rdata; |
| 5692 | obj->rdata_mapping = rdata_mapping; |
| 5693 | |
| 5694 | obj->send_cmd = bnx2x_func_send_cmd; |
| 5695 | obj->check_transition = bnx2x_func_chk_transition; |
| 5696 | obj->complete_cmd = bnx2x_func_comp_cmd; |
| 5697 | obj->wait_comp = bnx2x_func_wait_comp; |
| 5698 | |
| 5699 | obj->drv = drv_iface; |
| 5700 | } |
| 5701 | |
| 5702 | /** |
| 5703 | * bnx2x_func_state_change - perform Function state change transition |
| 5704 | * |
| 5705 | * @bp: device handle |
| 5706 | * @params: parameters to perform the transaction |
| 5707 | * |
| 5708 | * returns 0 in case of successfully completed transition, |
| 5709 | * negative error code in case of failure, positive |
| 5710 | * (EBUSY) value if there is a completion to that is |
| 5711 | * still pending (possible only if RAMROD_COMP_WAIT is |
| 5712 | * not set in params->ramrod_flags for asynchronous |
| 5713 | * commands). |
| 5714 | */ |
| 5715 | int bnx2x_func_state_change(struct bnx2x *bp, |
| 5716 | struct bnx2x_func_state_params *params) |
| 5717 | { |
| 5718 | struct bnx2x_func_sp_obj *o = params->f_obj; |
| 5719 | int rc; |
| 5720 | enum bnx2x_func_cmd cmd = params->cmd; |
| 5721 | unsigned long *pending = &o->pending; |
| 5722 | |
| 5723 | mutex_lock(&o->one_pending_mutex); |
| 5724 | |
| 5725 | /* Check that the requested transition is legal */ |
| 5726 | if (o->check_transition(bp, o, params)) { |
| 5727 | mutex_unlock(&o->one_pending_mutex); |
| 5728 | return -EINVAL; |
| 5729 | } |
| 5730 | |
| 5731 | /* Set "pending" bit */ |
| 5732 | set_bit(cmd, pending); |
| 5733 | |
| 5734 | /* Don't send a command if only driver cleanup was requested */ |
| 5735 | if (test_bit(RAMROD_DRV_CLR_ONLY, ¶ms->ramrod_flags)) { |
| 5736 | bnx2x_func_state_change_comp(bp, o, cmd); |
| 5737 | mutex_unlock(&o->one_pending_mutex); |
| 5738 | } else { |
| 5739 | /* Send a ramrod */ |
| 5740 | rc = o->send_cmd(bp, params); |
| 5741 | |
| 5742 | mutex_unlock(&o->one_pending_mutex); |
| 5743 | |
| 5744 | if (rc) { |
| 5745 | o->next_state = BNX2X_F_STATE_MAX; |
| 5746 | clear_bit(cmd, pending); |
| 5747 | smp_mb__after_clear_bit(); |
| 5748 | return rc; |
| 5749 | } |
| 5750 | |
| 5751 | if (test_bit(RAMROD_COMP_WAIT, ¶ms->ramrod_flags)) { |
| 5752 | rc = o->wait_comp(bp, o, cmd); |
| 5753 | if (rc) |
| 5754 | return rc; |
| 5755 | |
| 5756 | return 0; |
| 5757 | } |
| 5758 | } |
| 5759 | |
| 5760 | return !!test_bit(cmd, pending); |
Vladislav Zolotarov | 042181f | 2011-06-14 01:33:39 +0000 | [diff] [blame] | 5761 | } |