Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2007 Mellanox Technologies. All rights reserved. |
| 3 | * |
| 4 | * This software is available to you under a choice of one of two |
| 5 | * licenses. You may choose to be licensed under the terms of the GNU |
| 6 | * General Public License (GPL) Version 2, available from the file |
| 7 | * COPYING in the main directory of this source tree, or the |
| 8 | * OpenIB.org BSD license below: |
| 9 | * |
| 10 | * Redistribution and use in source and binary forms, with or |
| 11 | * without modification, are permitted provided that the following |
| 12 | * conditions are met: |
| 13 | * |
| 14 | * - Redistributions of source code must retain the above |
| 15 | * copyright notice, this list of conditions and the following |
| 16 | * disclaimer. |
| 17 | * |
| 18 | * - Redistributions in binary form must reproduce the above |
| 19 | * copyright notice, this list of conditions and the following |
| 20 | * disclaimer in the documentation and/or other materials |
| 21 | * provided with the distribution. |
| 22 | * |
| 23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 30 | * SOFTWARE. |
| 31 | */ |
| 32 | |
| 33 | #include <linux/errno.h> |
| 34 | #include <linux/if_ether.h> |
Paul Gortmaker | ee40fa0 | 2011-05-27 16:14:23 -0400 | [diff] [blame^] | 35 | #include <linux/export.h> |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 36 | |
| 37 | #include <linux/mlx4/cmd.h> |
| 38 | |
| 39 | #include "mlx4.h" |
| 40 | |
| 41 | #define MLX4_MAC_VALID (1ull << 63) |
| 42 | #define MLX4_MAC_MASK 0xffffffffffffULL |
| 43 | |
| 44 | #define MLX4_VLAN_VALID (1u << 31) |
| 45 | #define MLX4_VLAN_MASK 0xfff |
| 46 | |
| 47 | void mlx4_init_mac_table(struct mlx4_dev *dev, struct mlx4_mac_table *table) |
| 48 | { |
| 49 | int i; |
| 50 | |
| 51 | mutex_init(&table->mutex); |
| 52 | for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
| 53 | table->entries[i] = 0; |
| 54 | table->refs[i] = 0; |
| 55 | } |
| 56 | table->max = 1 << dev->caps.log_num_macs; |
| 57 | table->total = 0; |
| 58 | } |
| 59 | |
| 60 | void mlx4_init_vlan_table(struct mlx4_dev *dev, struct mlx4_vlan_table *table) |
| 61 | { |
| 62 | int i; |
| 63 | |
| 64 | mutex_init(&table->mutex); |
| 65 | for (i = 0; i < MLX4_MAX_VLAN_NUM; i++) { |
| 66 | table->entries[i] = 0; |
| 67 | table->refs[i] = 0; |
| 68 | } |
Yevgeny Petrilin | e72ebf5 | 2011-10-18 01:50:29 +0000 | [diff] [blame] | 69 | table->max = (1 << dev->caps.log_num_vlans) - MLX4_VLAN_REGULAR; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 70 | table->total = 0; |
| 71 | } |
| 72 | |
| 73 | static int mlx4_set_port_mac_table(struct mlx4_dev *dev, u8 port, |
| 74 | __be64 *entries) |
| 75 | { |
| 76 | struct mlx4_cmd_mailbox *mailbox; |
| 77 | u32 in_mod; |
| 78 | int err; |
| 79 | |
| 80 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 81 | if (IS_ERR(mailbox)) |
| 82 | return PTR_ERR(mailbox); |
| 83 | |
| 84 | memcpy(mailbox->buf, entries, MLX4_MAC_TABLE_SIZE); |
| 85 | |
| 86 | in_mod = MLX4_SET_PORT_MAC_TABLE << 8 | port; |
| 87 | err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, |
| 88 | MLX4_CMD_TIME_CLASS_B); |
| 89 | |
| 90 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 91 | return err; |
| 92 | } |
| 93 | |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 94 | static int mlx4_uc_steer_add(struct mlx4_dev *dev, u8 port, |
| 95 | u64 mac, int *qpn, u8 reserve) |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 96 | { |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 97 | struct mlx4_qp qp; |
| 98 | u8 gid[16] = {0}; |
| 99 | int err; |
| 100 | |
| 101 | if (reserve) { |
| 102 | err = mlx4_qp_reserve_range(dev, 1, 1, qpn); |
| 103 | if (err) { |
| 104 | mlx4_err(dev, "Failed to reserve qp for mac registration\n"); |
| 105 | return err; |
| 106 | } |
| 107 | } |
| 108 | qp.qpn = *qpn; |
| 109 | |
| 110 | mac &= 0xffffffffffffULL; |
| 111 | mac = cpu_to_be64(mac << 16); |
| 112 | memcpy(&gid[10], &mac, ETH_ALEN); |
| 113 | gid[5] = port; |
| 114 | gid[7] = MLX4_UC_STEER << 1; |
| 115 | |
| 116 | err = mlx4_qp_attach_common(dev, &qp, gid, 0, |
| 117 | MLX4_PROT_ETH, MLX4_UC_STEER); |
| 118 | if (err && reserve) |
| 119 | mlx4_qp_release_range(dev, *qpn, 1); |
| 120 | |
| 121 | return err; |
| 122 | } |
| 123 | |
| 124 | static void mlx4_uc_steer_release(struct mlx4_dev *dev, u8 port, |
| 125 | u64 mac, int qpn, u8 free) |
| 126 | { |
| 127 | struct mlx4_qp qp; |
| 128 | u8 gid[16] = {0}; |
| 129 | |
| 130 | qp.qpn = qpn; |
| 131 | mac &= 0xffffffffffffULL; |
| 132 | mac = cpu_to_be64(mac << 16); |
| 133 | memcpy(&gid[10], &mac, ETH_ALEN); |
| 134 | gid[5] = port; |
| 135 | gid[7] = MLX4_UC_STEER << 1; |
| 136 | |
| 137 | mlx4_qp_detach_common(dev, &qp, gid, MLX4_PROT_ETH, MLX4_UC_STEER); |
| 138 | if (free) |
| 139 | mlx4_qp_release_range(dev, qpn, 1); |
| 140 | } |
| 141 | |
| 142 | int mlx4_register_mac(struct mlx4_dev *dev, u8 port, u64 mac, int *qpn, u8 wrap) |
| 143 | { |
| 144 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
| 145 | struct mlx4_mac_table *table = &info->mac_table; |
| 146 | struct mlx4_mac_entry *entry; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 147 | int i, err = 0; |
| 148 | int free = -1; |
| 149 | |
Or Gerlitz | ccf8632 | 2011-07-07 19:19:29 +0000 | [diff] [blame] | 150 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER) { |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 151 | err = mlx4_uc_steer_add(dev, port, mac, qpn, 1); |
| 152 | if (!err) { |
| 153 | entry = kmalloc(sizeof *entry, GFP_KERNEL); |
| 154 | if (!entry) { |
| 155 | mlx4_uc_steer_release(dev, port, mac, *qpn, 1); |
| 156 | return -ENOMEM; |
| 157 | } |
| 158 | entry->mac = mac; |
| 159 | err = radix_tree_insert(&info->mac_tree, *qpn, entry); |
| 160 | if (err) { |
| 161 | mlx4_uc_steer_release(dev, port, mac, *qpn, 1); |
| 162 | return err; |
| 163 | } |
| 164 | } else |
| 165 | return err; |
| 166 | } |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 167 | mlx4_dbg(dev, "Registering MAC: 0x%llx\n", (unsigned long long) mac); |
| 168 | mutex_lock(&table->mutex); |
| 169 | for (i = 0; i < MLX4_MAX_MAC_NUM - 1; i++) { |
| 170 | if (free < 0 && !table->refs[i]) { |
| 171 | free = i; |
| 172 | continue; |
| 173 | } |
| 174 | |
| 175 | if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 176 | /* MAC already registered, increase references count */ |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 177 | ++table->refs[i]; |
| 178 | goto out; |
| 179 | } |
| 180 | } |
Eli Cohen | 0926f91 | 2010-10-25 02:56:47 +0000 | [diff] [blame] | 181 | |
| 182 | if (free < 0) { |
| 183 | err = -ENOMEM; |
| 184 | goto out; |
| 185 | } |
| 186 | |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 187 | mlx4_dbg(dev, "Free MAC index is %d\n", free); |
| 188 | |
| 189 | if (table->total == table->max) { |
| 190 | /* No free mac entries */ |
| 191 | err = -ENOSPC; |
| 192 | goto out; |
| 193 | } |
| 194 | |
| 195 | /* Register new MAC */ |
| 196 | table->refs[free] = 1; |
| 197 | table->entries[free] = cpu_to_be64(mac | MLX4_MAC_VALID); |
| 198 | |
| 199 | err = mlx4_set_port_mac_table(dev, port, table->entries); |
| 200 | if (unlikely(err)) { |
| 201 | mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) mac); |
| 202 | table->refs[free] = 0; |
| 203 | table->entries[free] = 0; |
| 204 | goto out; |
| 205 | } |
| 206 | |
Or Gerlitz | ccf8632 | 2011-07-07 19:19:29 +0000 | [diff] [blame] | 207 | if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER)) |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 208 | *qpn = info->base_qpn + free; |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 209 | ++table->total; |
| 210 | out: |
| 211 | mutex_unlock(&table->mutex); |
| 212 | return err; |
| 213 | } |
| 214 | EXPORT_SYMBOL_GPL(mlx4_register_mac); |
| 215 | |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 216 | static int validate_index(struct mlx4_dev *dev, |
| 217 | struct mlx4_mac_table *table, int index) |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 218 | { |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 219 | int err = 0; |
| 220 | |
| 221 | if (index < 0 || index >= table->max || !table->entries[index]) { |
| 222 | mlx4_warn(dev, "No valid Mac entry for the given index\n"); |
| 223 | err = -EINVAL; |
| 224 | } |
| 225 | return err; |
| 226 | } |
| 227 | |
| 228 | static int find_index(struct mlx4_dev *dev, |
| 229 | struct mlx4_mac_table *table, u64 mac) |
| 230 | { |
| 231 | int i; |
| 232 | for (i = 0; i < MLX4_MAX_MAC_NUM; i++) { |
| 233 | if (mac == (MLX4_MAC_MASK & be64_to_cpu(table->entries[i]))) |
| 234 | return i; |
| 235 | } |
| 236 | /* Mac not found */ |
| 237 | return -EINVAL; |
| 238 | } |
| 239 | |
| 240 | void mlx4_unregister_mac(struct mlx4_dev *dev, u8 port, int qpn) |
| 241 | { |
| 242 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
| 243 | struct mlx4_mac_table *table = &info->mac_table; |
| 244 | int index = qpn - info->base_qpn; |
| 245 | struct mlx4_mac_entry *entry; |
| 246 | |
Or Gerlitz | ccf8632 | 2011-07-07 19:19:29 +0000 | [diff] [blame] | 247 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER) { |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 248 | entry = radix_tree_lookup(&info->mac_tree, qpn); |
| 249 | if (entry) { |
| 250 | mlx4_uc_steer_release(dev, port, entry->mac, qpn, 1); |
| 251 | radix_tree_delete(&info->mac_tree, qpn); |
| 252 | index = find_index(dev, table, entry->mac); |
| 253 | kfree(entry); |
| 254 | } |
| 255 | } |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 256 | |
| 257 | mutex_lock(&table->mutex); |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 258 | |
| 259 | if (validate_index(dev, table, index)) |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 260 | goto out; |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 261 | |
Yevgeny Petrilin | 20e72a4 | 2011-08-04 01:05:12 +0000 | [diff] [blame] | 262 | /* Check whether this address has reference count */ |
| 263 | if (!(--table->refs[index])) { |
| 264 | table->entries[index] = 0; |
| 265 | mlx4_set_port_mac_table(dev, port, table->entries); |
| 266 | --table->total; |
| 267 | } |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 268 | out: |
| 269 | mutex_unlock(&table->mutex); |
| 270 | } |
| 271 | EXPORT_SYMBOL_GPL(mlx4_unregister_mac); |
| 272 | |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 273 | int mlx4_replace_mac(struct mlx4_dev *dev, u8 port, int qpn, u64 new_mac, u8 wrap) |
| 274 | { |
| 275 | struct mlx4_port_info *info = &mlx4_priv(dev)->port[port]; |
| 276 | struct mlx4_mac_table *table = &info->mac_table; |
| 277 | int index = qpn - info->base_qpn; |
| 278 | struct mlx4_mac_entry *entry; |
| 279 | int err; |
| 280 | |
Or Gerlitz | ccf8632 | 2011-07-07 19:19:29 +0000 | [diff] [blame] | 281 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER) { |
Yevgeny Petrilin | 1679200 | 2011-03-22 22:38:31 +0000 | [diff] [blame] | 282 | entry = radix_tree_lookup(&info->mac_tree, qpn); |
| 283 | if (!entry) |
| 284 | return -EINVAL; |
| 285 | index = find_index(dev, table, entry->mac); |
| 286 | mlx4_uc_steer_release(dev, port, entry->mac, qpn, 0); |
| 287 | entry->mac = new_mac; |
| 288 | err = mlx4_uc_steer_add(dev, port, entry->mac, &qpn, 0); |
| 289 | if (err || index < 0) |
| 290 | return err; |
| 291 | } |
| 292 | |
| 293 | mutex_lock(&table->mutex); |
| 294 | |
| 295 | err = validate_index(dev, table, index); |
| 296 | if (err) |
| 297 | goto out; |
| 298 | |
| 299 | table->entries[index] = cpu_to_be64(new_mac | MLX4_MAC_VALID); |
| 300 | |
| 301 | err = mlx4_set_port_mac_table(dev, port, table->entries); |
| 302 | if (unlikely(err)) { |
| 303 | mlx4_err(dev, "Failed adding MAC: 0x%llx\n", (unsigned long long) new_mac); |
| 304 | table->entries[index] = 0; |
| 305 | } |
| 306 | out: |
| 307 | mutex_unlock(&table->mutex); |
| 308 | return err; |
| 309 | } |
| 310 | EXPORT_SYMBOL_GPL(mlx4_replace_mac); |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 311 | static int mlx4_set_port_vlan_table(struct mlx4_dev *dev, u8 port, |
| 312 | __be32 *entries) |
| 313 | { |
| 314 | struct mlx4_cmd_mailbox *mailbox; |
| 315 | u32 in_mod; |
| 316 | int err; |
| 317 | |
| 318 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 319 | if (IS_ERR(mailbox)) |
| 320 | return PTR_ERR(mailbox); |
| 321 | |
| 322 | memcpy(mailbox->buf, entries, MLX4_VLAN_TABLE_SIZE); |
| 323 | in_mod = MLX4_SET_PORT_VLAN_TABLE << 8 | port; |
| 324 | err = mlx4_cmd(dev, mailbox->dma, in_mod, 1, MLX4_CMD_SET_PORT, |
| 325 | MLX4_CMD_TIME_CLASS_B); |
| 326 | |
| 327 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 328 | |
| 329 | return err; |
| 330 | } |
| 331 | |
Eli Cohen | 4c3eb3c | 2010-08-26 17:19:22 +0300 | [diff] [blame] | 332 | int mlx4_find_cached_vlan(struct mlx4_dev *dev, u8 port, u16 vid, int *idx) |
| 333 | { |
| 334 | struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table; |
| 335 | int i; |
| 336 | |
| 337 | for (i = 0; i < MLX4_MAX_VLAN_NUM; ++i) { |
| 338 | if (table->refs[i] && |
| 339 | (vid == (MLX4_VLAN_MASK & |
| 340 | be32_to_cpu(table->entries[i])))) { |
| 341 | /* VLAN already registered, increase reference count */ |
| 342 | *idx = i; |
| 343 | return 0; |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | return -ENOENT; |
| 348 | } |
| 349 | EXPORT_SYMBOL_GPL(mlx4_find_cached_vlan); |
| 350 | |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 351 | int mlx4_register_vlan(struct mlx4_dev *dev, u8 port, u16 vlan, int *index) |
| 352 | { |
| 353 | struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table; |
| 354 | int i, err = 0; |
| 355 | int free = -1; |
| 356 | |
| 357 | mutex_lock(&table->mutex); |
Yevgeny Petrilin | e72ebf5 | 2011-10-18 01:50:29 +0000 | [diff] [blame] | 358 | |
| 359 | if (table->total == table->max) { |
| 360 | /* No free vlan entries */ |
| 361 | err = -ENOSPC; |
| 362 | goto out; |
| 363 | } |
| 364 | |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 365 | for (i = MLX4_VLAN_REGULAR; i < MLX4_MAX_VLAN_NUM; i++) { |
| 366 | if (free < 0 && (table->refs[i] == 0)) { |
| 367 | free = i; |
| 368 | continue; |
| 369 | } |
| 370 | |
| 371 | if (table->refs[i] && |
| 372 | (vlan == (MLX4_VLAN_MASK & |
| 373 | be32_to_cpu(table->entries[i])))) { |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 374 | /* Vlan already registered, increase references count */ |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 375 | *index = i; |
| 376 | ++table->refs[i]; |
| 377 | goto out; |
| 378 | } |
| 379 | } |
| 380 | |
Eli Cohen | 0926f91 | 2010-10-25 02:56:47 +0000 | [diff] [blame] | 381 | if (free < 0) { |
| 382 | err = -ENOMEM; |
| 383 | goto out; |
| 384 | } |
| 385 | |
Yevgeny Petrilin | 2a2336f | 2008-10-22 11:44:46 -0700 | [diff] [blame] | 386 | /* Register new MAC */ |
| 387 | table->refs[free] = 1; |
| 388 | table->entries[free] = cpu_to_be32(vlan | MLX4_VLAN_VALID); |
| 389 | |
| 390 | err = mlx4_set_port_vlan_table(dev, port, table->entries); |
| 391 | if (unlikely(err)) { |
| 392 | mlx4_warn(dev, "Failed adding vlan: %u\n", vlan); |
| 393 | table->refs[free] = 0; |
| 394 | table->entries[free] = 0; |
| 395 | goto out; |
| 396 | } |
| 397 | |
| 398 | *index = free; |
| 399 | ++table->total; |
| 400 | out: |
| 401 | mutex_unlock(&table->mutex); |
| 402 | return err; |
| 403 | } |
| 404 | EXPORT_SYMBOL_GPL(mlx4_register_vlan); |
| 405 | |
| 406 | void mlx4_unregister_vlan(struct mlx4_dev *dev, u8 port, int index) |
| 407 | { |
| 408 | struct mlx4_vlan_table *table = &mlx4_priv(dev)->port[port].vlan_table; |
| 409 | |
| 410 | if (index < MLX4_VLAN_REGULAR) { |
| 411 | mlx4_warn(dev, "Trying to free special vlan index %d\n", index); |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | mutex_lock(&table->mutex); |
| 416 | if (!table->refs[index]) { |
| 417 | mlx4_warn(dev, "No vlan entry for index %d\n", index); |
| 418 | goto out; |
| 419 | } |
| 420 | if (--table->refs[index]) { |
| 421 | mlx4_dbg(dev, "Have more references for index %d," |
| 422 | "no need to modify vlan table\n", index); |
| 423 | goto out; |
| 424 | } |
| 425 | table->entries[index] = 0; |
| 426 | mlx4_set_port_vlan_table(dev, port, table->entries); |
| 427 | --table->total; |
| 428 | out: |
| 429 | mutex_unlock(&table->mutex); |
| 430 | } |
| 431 | EXPORT_SYMBOL_GPL(mlx4_unregister_vlan); |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 432 | |
Jack Morgenstein | 9a5aa62 | 2008-11-28 21:29:46 -0800 | [diff] [blame] | 433 | int mlx4_get_port_ib_caps(struct mlx4_dev *dev, u8 port, __be32 *caps) |
| 434 | { |
| 435 | struct mlx4_cmd_mailbox *inmailbox, *outmailbox; |
| 436 | u8 *inbuf, *outbuf; |
| 437 | int err; |
| 438 | |
| 439 | inmailbox = mlx4_alloc_cmd_mailbox(dev); |
| 440 | if (IS_ERR(inmailbox)) |
| 441 | return PTR_ERR(inmailbox); |
| 442 | |
| 443 | outmailbox = mlx4_alloc_cmd_mailbox(dev); |
| 444 | if (IS_ERR(outmailbox)) { |
| 445 | mlx4_free_cmd_mailbox(dev, inmailbox); |
| 446 | return PTR_ERR(outmailbox); |
| 447 | } |
| 448 | |
| 449 | inbuf = inmailbox->buf; |
| 450 | outbuf = outmailbox->buf; |
| 451 | memset(inbuf, 0, 256); |
| 452 | memset(outbuf, 0, 256); |
| 453 | inbuf[0] = 1; |
| 454 | inbuf[1] = 1; |
| 455 | inbuf[2] = 1; |
| 456 | inbuf[3] = 1; |
| 457 | *(__be16 *) (&inbuf[16]) = cpu_to_be16(0x0015); |
| 458 | *(__be32 *) (&inbuf[20]) = cpu_to_be32(port); |
| 459 | |
| 460 | err = mlx4_cmd_box(dev, inmailbox->dma, outmailbox->dma, port, 3, |
| 461 | MLX4_CMD_MAD_IFC, MLX4_CMD_TIME_CLASS_C); |
| 462 | if (!err) |
| 463 | *caps = *(__be32 *) (outbuf + 84); |
| 464 | mlx4_free_cmd_mailbox(dev, inmailbox); |
| 465 | mlx4_free_cmd_mailbox(dev, outmailbox); |
| 466 | return err; |
| 467 | } |
| 468 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 469 | int mlx4_SET_PORT(struct mlx4_dev *dev, u8 port) |
| 470 | { |
| 471 | struct mlx4_cmd_mailbox *mailbox; |
| 472 | int err; |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 473 | |
Roland Dreier | 352b09e | 2009-03-31 09:54:15 -0700 | [diff] [blame] | 474 | if (dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH) |
| 475 | return 0; |
| 476 | |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 477 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 478 | if (IS_ERR(mailbox)) |
| 479 | return PTR_ERR(mailbox); |
| 480 | |
| 481 | memset(mailbox->buf, 0, 256); |
Yevgeny Petrilin | 793730b | 2009-03-11 15:47:18 -0700 | [diff] [blame] | 482 | |
| 483 | ((__be32 *) mailbox->buf)[1] = dev->caps.ib_port_def_cap[port]; |
| 484 | err = mlx4_cmd(dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT, |
Yevgeny Petrilin | 7ff93f8 | 2008-10-22 15:38:42 -0700 | [diff] [blame] | 485 | MLX4_CMD_TIME_CLASS_B); |
| 486 | |
| 487 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 488 | return err; |
| 489 | } |