Amit S. Kale | 3d396eb | 2006-10-21 15:33:03 -0400 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2003 - 2006 NetXen, Inc. |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License |
| 7 | * as published by the Free Software Foundation; either version 2 |
| 8 | * of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, |
| 18 | * MA 02111-1307, USA. |
| 19 | * |
| 20 | * The full GNU General Public License is included in this distribution |
| 21 | * in the file called LICENSE. |
| 22 | * |
| 23 | * Contact Information: |
| 24 | * info@netxen.com |
| 25 | * NetXen, |
| 26 | * 3965 Freedom Circle, Fourth floor, |
| 27 | * Santa Clara, CA 95054 |
| 28 | * |
| 29 | * |
| 30 | * Provides access to the Network Interface Unit h/w block. |
| 31 | * |
| 32 | */ |
| 33 | |
| 34 | #include "netxen_nic.h" |
| 35 | #include <linux/delay.h> |
| 36 | |
| 37 | /* |
| 38 | * netxen_niu_gbe_phy_read - read a register from the GbE PHY via |
| 39 | * mii management interface. |
| 40 | * |
| 41 | * Note: The MII management interface goes through port 0. |
| 42 | * Individual phys are addressed as follows: |
| 43 | * @param phy [15:8] phy id |
| 44 | * @param reg [7:0] register number |
| 45 | * |
| 46 | * @returns 0 on success |
| 47 | * -1 on error |
| 48 | * |
| 49 | */ |
| 50 | int netxen_niu_gbe_phy_read(struct netxen_adapter *adapter, long phy, |
| 51 | long reg, __le32 * readval) |
| 52 | { |
| 53 | long timeout = 0; |
| 54 | long result = 0; |
| 55 | long restore = 0; |
| 56 | __le32 address; |
| 57 | __le32 command; |
| 58 | __le32 status; |
| 59 | __le32 mii_cfg; |
| 60 | __le32 mac_cfg0; |
| 61 | |
| 62 | /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */ |
| 63 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), |
| 64 | &mac_cfg0, 4)) |
| 65 | return -EIO; |
| 66 | if (netxen_gb_get_soft_reset(mac_cfg0)) { |
| 67 | __le32 temp; |
| 68 | temp = 0; |
| 69 | netxen_gb_tx_reset_pb(temp); |
| 70 | netxen_gb_rx_reset_pb(temp); |
| 71 | netxen_gb_tx_reset_mac(temp); |
| 72 | netxen_gb_rx_reset_mac(temp); |
| 73 | if (netxen_nic_hw_write_wx(adapter, |
| 74 | NETXEN_NIU_GB_MAC_CONFIG_0(0), |
| 75 | &temp, 4)) |
| 76 | return -EIO; |
| 77 | restore = 1; |
| 78 | } |
| 79 | |
| 80 | /* reset MII management interface */ |
| 81 | mii_cfg = 0; |
| 82 | netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7); |
| 83 | netxen_gb_mii_mgmt_reset(mii_cfg); |
| 84 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0), |
| 85 | &mii_cfg, 4)) |
| 86 | return -EIO; |
| 87 | netxen_gb_mii_mgmt_unset(mii_cfg); |
| 88 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(0), |
| 89 | &mii_cfg, 4)) |
| 90 | return -EIO; |
| 91 | |
| 92 | address = 0; |
| 93 | netxen_gb_mii_mgmt_reg_addr(address, reg); |
| 94 | netxen_gb_mii_mgmt_phy_addr(address, phy); |
| 95 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), |
| 96 | &address, 4)) |
| 97 | return -EIO; |
| 98 | command = 0; /* turn off any prior activity */ |
| 99 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), |
| 100 | &command, 4)) |
| 101 | return -EIO; |
| 102 | /* send read command */ |
| 103 | netxen_gb_mii_mgmt_set_read_cycle(command); |
| 104 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), |
| 105 | &command, 4)) |
| 106 | return -EIO; |
| 107 | |
| 108 | status = 0; |
| 109 | do { |
| 110 | if (netxen_nic_hw_read_wx(adapter, |
| 111 | NETXEN_NIU_GB_MII_MGMT_INDICATE(0), |
| 112 | &status, 4)) |
| 113 | return -EIO; |
| 114 | timeout++; |
| 115 | } while ((netxen_get_gb_mii_mgmt_busy(status) |
| 116 | || netxen_get_gb_mii_mgmt_notvalid(status)) |
| 117 | && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); |
| 118 | |
| 119 | if (timeout < NETXEN_NIU_PHY_WAITMAX) { |
| 120 | if (netxen_nic_hw_read_wx(adapter, |
| 121 | NETXEN_NIU_GB_MII_MGMT_STATUS(0), |
| 122 | readval, 4)) |
| 123 | return -EIO; |
| 124 | result = 0; |
| 125 | } else |
| 126 | result = -1; |
| 127 | |
| 128 | if (restore) |
| 129 | if (netxen_nic_hw_write_wx(adapter, |
| 130 | NETXEN_NIU_GB_MAC_CONFIG_0(0), |
| 131 | &mac_cfg0, 4)) |
| 132 | return -EIO; |
| 133 | |
| 134 | return result; |
| 135 | } |
| 136 | |
| 137 | /* |
| 138 | * netxen_niu_gbe_phy_write - write a register to the GbE PHY via |
| 139 | * mii management interface. |
| 140 | * |
| 141 | * Note: The MII management interface goes through port 0. |
| 142 | * Individual phys are addressed as follows: |
| 143 | * @param phy [15:8] phy id |
| 144 | * @param reg [7:0] register number |
| 145 | * |
| 146 | * @returns 0 on success |
| 147 | * -1 on error |
| 148 | * |
| 149 | */ |
| 150 | int netxen_niu_gbe_phy_write(struct netxen_adapter *adapter, |
| 151 | long phy, long reg, __le32 val) |
| 152 | { |
| 153 | long timeout = 0; |
| 154 | long result = 0; |
| 155 | long restore = 0; |
| 156 | __le32 address; |
| 157 | __le32 command; |
| 158 | __le32 status; |
| 159 | __le32 mac_cfg0; |
| 160 | |
| 161 | /* MII mgmt all goes through port 0 MAC interface, so it cannot be in reset */ |
| 162 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(0), |
| 163 | &mac_cfg0, 4)) |
| 164 | return -EIO; |
| 165 | if (netxen_gb_get_soft_reset(mac_cfg0)) { |
| 166 | __le32 temp; |
| 167 | temp = 0; |
| 168 | netxen_gb_tx_reset_pb(temp); |
| 169 | netxen_gb_rx_reset_pb(temp); |
| 170 | netxen_gb_tx_reset_mac(temp); |
| 171 | netxen_gb_rx_reset_mac(temp); |
| 172 | |
| 173 | if (netxen_nic_hw_write_wx(adapter, |
| 174 | NETXEN_NIU_GB_MAC_CONFIG_0(0), |
| 175 | &temp, 4)) |
| 176 | return -EIO; |
| 177 | restore = 1; |
| 178 | } |
| 179 | |
| 180 | command = 0; /* turn off any prior activity */ |
| 181 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_COMMAND(0), |
| 182 | &command, 4)) |
| 183 | return -EIO; |
| 184 | |
| 185 | address = 0; |
| 186 | netxen_gb_mii_mgmt_reg_addr(address, reg); |
| 187 | netxen_gb_mii_mgmt_phy_addr(address, phy); |
| 188 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_ADDR(0), |
| 189 | &address, 4)) |
| 190 | return -EIO; |
| 191 | |
| 192 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CTRL(0), |
| 193 | &val, 4)) |
| 194 | return -EIO; |
| 195 | |
| 196 | status = 0; |
| 197 | do { |
| 198 | if (netxen_nic_hw_read_wx(adapter, |
| 199 | NETXEN_NIU_GB_MII_MGMT_INDICATE(0), |
| 200 | &status, 4)) |
| 201 | return -EIO; |
| 202 | timeout++; |
| 203 | } while ((netxen_get_gb_mii_mgmt_busy(status)) |
| 204 | && (timeout++ < NETXEN_NIU_PHY_WAITMAX)); |
| 205 | |
| 206 | if (timeout < NETXEN_NIU_PHY_WAITMAX) |
| 207 | result = 0; |
| 208 | else |
| 209 | result = -EIO; |
| 210 | |
| 211 | /* restore the state of port 0 MAC in case we tampered with it */ |
| 212 | if (restore) |
| 213 | if (netxen_nic_hw_write_wx(adapter, |
| 214 | NETXEN_NIU_GB_MAC_CONFIG_0(0), |
| 215 | &mac_cfg0, 4)) |
| 216 | return -EIO; |
| 217 | |
| 218 | return result; |
| 219 | } |
| 220 | |
| 221 | int netxen_niu_xgbe_enable_phy_interrupts(struct netxen_adapter *adapter, |
| 222 | int port) |
| 223 | { |
| 224 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x3f); |
| 225 | return 0; |
| 226 | } |
| 227 | |
| 228 | int netxen_niu_gbe_enable_phy_interrupts(struct netxen_adapter *adapter, |
| 229 | int port) |
| 230 | { |
| 231 | int result = 0; |
| 232 | __le32 enable = 0; |
| 233 | netxen_set_phy_int_link_status_changed(enable); |
| 234 | netxen_set_phy_int_autoneg_completed(enable); |
| 235 | netxen_set_phy_int_speed_changed(enable); |
| 236 | |
| 237 | if (0 != |
| 238 | netxen_niu_gbe_phy_write(adapter, port, |
| 239 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, |
| 240 | enable)) |
| 241 | result = -EIO; |
| 242 | |
| 243 | return result; |
| 244 | } |
| 245 | |
| 246 | int netxen_niu_xgbe_disable_phy_interrupts(struct netxen_adapter *adapter, |
| 247 | int port) |
| 248 | { |
| 249 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_INT_MASK, 0x7f); |
| 250 | return 0; |
| 251 | } |
| 252 | |
| 253 | int netxen_niu_gbe_disable_phy_interrupts(struct netxen_adapter *adapter, |
| 254 | int port) |
| 255 | { |
| 256 | int result = 0; |
| 257 | if (0 != |
| 258 | netxen_niu_gbe_phy_write(adapter, port, |
| 259 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_ENABLE, 0)) |
| 260 | result = -EIO; |
| 261 | |
| 262 | return result; |
| 263 | } |
| 264 | |
| 265 | int netxen_niu_xgbe_clear_phy_interrupts(struct netxen_adapter *adapter, |
| 266 | int port) |
| 267 | { |
| 268 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_ACTIVE_INT, -1); |
| 269 | return 0; |
| 270 | } |
| 271 | |
| 272 | int netxen_niu_gbe_clear_phy_interrupts(struct netxen_adapter *adapter, |
| 273 | int port) |
| 274 | { |
| 275 | int result = 0; |
| 276 | if (0 != |
| 277 | netxen_niu_gbe_phy_write(adapter, port, |
| 278 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, |
| 279 | -EIO)) |
| 280 | result = -EIO; |
| 281 | |
| 282 | return result; |
| 283 | } |
| 284 | |
| 285 | /* |
| 286 | * netxen_niu_gbe_set_mii_mode- Set 10/100 Mbit Mode for GbE MAC |
| 287 | * |
| 288 | */ |
| 289 | void netxen_niu_gbe_set_mii_mode(struct netxen_adapter *adapter, |
| 290 | int port, long enable) |
| 291 | { |
| 292 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2); |
| 293 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 294 | 0x80000000); |
| 295 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 296 | 0x0000f0025); |
| 297 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), |
| 298 | 0xf1ff); |
| 299 | netxen_crb_writelit_adapter(adapter, |
| 300 | NETXEN_NIU_GB0_GMII_MODE + (port << 3), 0); |
| 301 | netxen_crb_writelit_adapter(adapter, |
| 302 | NETXEN_NIU_GB0_MII_MODE + (port << 3), 1); |
| 303 | netxen_crb_writelit_adapter(adapter, |
| 304 | (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); |
| 305 | netxen_crb_writelit_adapter(adapter, |
| 306 | NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); |
| 307 | |
| 308 | if (enable) { |
| 309 | /* |
| 310 | * Do NOT enable flow control until a suitable solution for |
| 311 | * shutting down pause frames is found. |
| 312 | */ |
| 313 | netxen_crb_writelit_adapter(adapter, |
| 314 | NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 315 | 0x5); |
| 316 | } |
| 317 | |
| 318 | if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) |
| 319 | printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n"); |
| 320 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) |
| 321 | printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); |
| 322 | } |
| 323 | |
| 324 | /* |
| 325 | * netxen_niu_gbe_set_gmii_mode- Set GbE Mode for GbE MAC |
| 326 | */ |
| 327 | void netxen_niu_gbe_set_gmii_mode(struct netxen_adapter *adapter, |
| 328 | int port, long enable) |
| 329 | { |
| 330 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_MODE, 0x2); |
| 331 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 332 | 0x80000000); |
| 333 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 334 | 0x0000f0025); |
| 335 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB_MAC_CONFIG_1(port), |
| 336 | 0xf2ff); |
| 337 | netxen_crb_writelit_adapter(adapter, |
| 338 | NETXEN_NIU_GB0_MII_MODE + (port << 3), 0); |
| 339 | netxen_crb_writelit_adapter(adapter, |
| 340 | NETXEN_NIU_GB0_GMII_MODE + (port << 3), 1); |
| 341 | netxen_crb_writelit_adapter(adapter, |
| 342 | (NETXEN_NIU_GB0_HALF_DUPLEX + port * 4), 0); |
| 343 | netxen_crb_writelit_adapter(adapter, |
| 344 | NETXEN_NIU_GB_MII_MGMT_CONFIG(port), 0x7); |
| 345 | |
| 346 | if (enable) { |
| 347 | /* |
| 348 | * Do NOT enable flow control until a suitable solution for |
| 349 | * shutting down pause frames is found. |
| 350 | */ |
| 351 | netxen_crb_writelit_adapter(adapter, |
| 352 | NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 353 | 0x5); |
| 354 | } |
| 355 | |
| 356 | if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) |
| 357 | printk(KERN_ERR PFX "ERROR enabling PHY interrupts\n"); |
| 358 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) |
| 359 | printk(KERN_ERR PFX "ERROR clearing PHY interrupts\n"); |
| 360 | } |
| 361 | |
| 362 | int netxen_niu_gbe_init_port(struct netxen_adapter *adapter, int port) |
| 363 | { |
| 364 | int result = 0; |
| 365 | __le32 status; |
| 366 | if (adapter->ops->disable_phy_interrupts) |
| 367 | adapter->ops->disable_phy_interrupts(adapter, port); |
| 368 | mdelay(2); |
| 369 | |
| 370 | if (0 == |
| 371 | netxen_niu_gbe_phy_read(adapter, port, |
| 372 | NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, |
| 373 | (__le32 *) & status)) { |
| 374 | if (netxen_get_phy_link(status)) { |
| 375 | if (netxen_get_phy_speed(status) == 2) { |
| 376 | netxen_niu_gbe_set_gmii_mode(adapter, port, 1); |
| 377 | } else if ((netxen_get_phy_speed(status) == 1) |
| 378 | || (netxen_get_phy_speed(status) == 0)) { |
| 379 | netxen_niu_gbe_set_mii_mode(adapter, port, 1); |
| 380 | } else { |
| 381 | result = -1; |
| 382 | } |
| 383 | |
| 384 | } else { |
| 385 | /* We don't have link. Cable must be unconnected. */ |
| 386 | /* Enable phy interrupts so we take action when plugged in */ |
| 387 | netxen_crb_writelit_adapter(adapter, |
| 388 | NETXEN_NIU_GB_MAC_CONFIG_0 |
| 389 | (port), 0x80000000); |
| 390 | netxen_crb_writelit_adapter(adapter, |
| 391 | NETXEN_NIU_GB_MAC_CONFIG_0 |
| 392 | (port), 0x0000f0025); |
| 393 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) |
| 394 | printk(KERN_ERR PFX |
| 395 | "ERROR clearing PHY interrupts\n"); |
| 396 | if (netxen_niu_gbe_enable_phy_interrupts(adapter, port)) |
| 397 | printk(KERN_ERR PFX |
| 398 | "ERROR enabling PHY interrupts\n"); |
| 399 | if (netxen_niu_gbe_clear_phy_interrupts(adapter, port)) |
| 400 | printk(KERN_ERR PFX |
| 401 | "ERROR clearing PHY interrupts\n"); |
| 402 | result = -1; |
| 403 | } |
| 404 | } else { |
| 405 | result = -EIO; |
| 406 | } |
| 407 | return result; |
| 408 | } |
| 409 | |
| 410 | /* |
| 411 | * netxen_niu_gbe_handle_phy_interrupt - Handles GbE PHY interrupts |
| 412 | * @param enable 0 means don't enable the port |
| 413 | * 1 means enable (or re-enable) the port |
| 414 | */ |
| 415 | int netxen_niu_gbe_handle_phy_interrupt(struct netxen_adapter *adapter, |
| 416 | int port, long enable) |
| 417 | { |
| 418 | int result = 0; |
| 419 | __le32 int_src; |
| 420 | |
| 421 | printk(KERN_INFO PFX "NETXEN: Handling PHY interrupt on port %d" |
| 422 | " (device enable = %d)\n", (int)port, (int)enable); |
| 423 | |
| 424 | /* The read of the PHY INT status will clear the pending interrupt status */ |
| 425 | if (netxen_niu_gbe_phy_read(adapter, port, |
| 426 | NETXEN_NIU_GB_MII_MGMT_ADDR_INT_STATUS, |
| 427 | &int_src) != 0) |
| 428 | result = -EINVAL; |
| 429 | else { |
| 430 | printk(KERN_INFO PFX "PHY Interrupt source = 0x%x \n", int_src); |
| 431 | if (netxen_get_phy_int_jabber(int_src)) |
| 432 | printk(KERN_INFO PFX "jabber Interrupt "); |
| 433 | if (netxen_get_phy_int_polarity_changed(int_src)) |
| 434 | printk(KERN_INFO PFX "polarity changed "); |
| 435 | if (netxen_get_phy_int_energy_detect(int_src)) |
| 436 | printk(KERN_INFO PFX "energy detect \n"); |
| 437 | if (netxen_get_phy_int_downshift(int_src)) |
| 438 | printk(KERN_INFO PFX "downshift \n"); |
| 439 | if (netxen_get_phy_int_mdi_xover_changed(int_src)) |
| 440 | printk(KERN_INFO PFX "mdi_xover_changed "); |
| 441 | if (netxen_get_phy_int_fifo_over_underflow(int_src)) |
| 442 | printk(KERN_INFO PFX "fifo_over_underflow "); |
| 443 | if (netxen_get_phy_int_false_carrier(int_src)) |
| 444 | printk(KERN_INFO PFX "false_carrier "); |
| 445 | if (netxen_get_phy_int_symbol_error(int_src)) |
| 446 | printk(KERN_INFO PFX "symbol_error "); |
| 447 | if (netxen_get_phy_int_autoneg_completed(int_src)) |
| 448 | printk(KERN_INFO PFX "autoneg_completed "); |
| 449 | if (netxen_get_phy_int_page_received(int_src)) |
| 450 | printk(KERN_INFO PFX "page_received "); |
| 451 | if (netxen_get_phy_int_duplex_changed(int_src)) |
| 452 | printk(KERN_INFO PFX "duplex_changed "); |
| 453 | if (netxen_get_phy_int_autoneg_error(int_src)) |
| 454 | printk(KERN_INFO PFX "autoneg_error "); |
| 455 | if ((netxen_get_phy_int_speed_changed(int_src)) |
| 456 | || (netxen_get_phy_int_link_status_changed(int_src))) { |
| 457 | __le32 status; |
| 458 | |
| 459 | printk(KERN_INFO PFX |
| 460 | "speed_changed or link status changed"); |
| 461 | if (netxen_niu_gbe_phy_read |
| 462 | (adapter, port, |
| 463 | NETXEN_NIU_GB_MII_MGMT_ADDR_PHY_STATUS, |
| 464 | &status) == 0) { |
| 465 | if (netxen_get_phy_speed(status) == 2) { |
| 466 | printk |
| 467 | (KERN_INFO PFX "Link speed changed" |
| 468 | " to 1000 Mbps\n"); |
| 469 | netxen_niu_gbe_set_gmii_mode(adapter, |
| 470 | port, |
| 471 | enable); |
| 472 | } else if (netxen_get_phy_speed(status) == 1) { |
| 473 | printk |
| 474 | (KERN_INFO PFX "Link speed changed" |
| 475 | " to 100 Mbps\n"); |
| 476 | netxen_niu_gbe_set_mii_mode(adapter, |
| 477 | port, |
| 478 | enable); |
| 479 | } else if (netxen_get_phy_speed(status) == 0) { |
| 480 | printk |
| 481 | (KERN_INFO PFX "Link speed changed" |
| 482 | " to 10 Mbps\n"); |
| 483 | netxen_niu_gbe_set_mii_mode(adapter, |
| 484 | port, |
| 485 | enable); |
| 486 | } else { |
| 487 | printk(KERN_ERR PFX "ERROR reading" |
| 488 | "PHY status. Illegal speed.\n"); |
| 489 | result = -1; |
| 490 | } |
| 491 | } else { |
| 492 | printk(KERN_ERR PFX |
| 493 | "ERROR reading PHY status.\n"); |
| 494 | result = -1; |
| 495 | } |
| 496 | |
| 497 | } |
| 498 | printk(KERN_INFO "\n"); |
| 499 | } |
| 500 | return result; |
| 501 | } |
| 502 | |
| 503 | /* |
| 504 | * Return the current station MAC address. |
| 505 | * Note that the passed-in value must already be in network byte order. |
| 506 | */ |
| 507 | int netxen_niu_macaddr_get(struct netxen_adapter *adapter, |
| 508 | int phy, netxen_ethernet_macaddr_t * addr) |
| 509 | { |
| 510 | u64 result = 0; |
| 511 | __le32 stationhigh; |
| 512 | __le32 stationlow; |
| 513 | |
| 514 | if (addr == NULL) |
| 515 | return -EINVAL; |
| 516 | if ((phy < 0) || (phy > 3)) |
| 517 | return -EINVAL; |
| 518 | |
| 519 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), |
| 520 | &stationhigh, 4)) |
| 521 | return -EIO; |
| 522 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), |
| 523 | &stationlow, 4)) |
| 524 | return -EIO; |
| 525 | |
| 526 | result = (u64) netxen_gb_get_stationaddress_low(stationlow); |
| 527 | result |= (u64) stationhigh << 16; |
| 528 | memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t)); |
| 529 | |
| 530 | return 0; |
| 531 | } |
| 532 | |
| 533 | /* |
| 534 | * Set the station MAC address. |
| 535 | * Note that the passed-in value must already be in network byte order. |
| 536 | */ |
| 537 | int netxen_niu_macaddr_set(struct netxen_port *port, |
| 538 | netxen_ethernet_macaddr_t addr) |
| 539 | { |
| 540 | __le32 temp = 0; |
| 541 | struct netxen_adapter *adapter = port->adapter; |
| 542 | int phy = port->portnum; |
| 543 | |
| 544 | memcpy(&temp, addr, 2); |
| 545 | temp <<= 16; |
| 546 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_1(phy), |
| 547 | &temp, 4)) |
| 548 | return -EIO; |
| 549 | |
| 550 | temp = 0; |
| 551 | |
| 552 | memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); |
| 553 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_STATION_ADDR_0(phy), |
| 554 | &temp, 4)) |
| 555 | return -2; |
| 556 | |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | /* Enable a GbE interface */ |
| 561 | int netxen_niu_enable_gbe_port(struct netxen_adapter *adapter, |
| 562 | int port, netxen_niu_gbe_ifmode_t mode) |
| 563 | { |
| 564 | __le32 mac_cfg0; |
| 565 | __le32 mac_cfg1; |
| 566 | __le32 mii_cfg; |
| 567 | |
| 568 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) |
| 569 | return -EINVAL; |
| 570 | |
| 571 | mac_cfg0 = 0; |
| 572 | netxen_gb_soft_reset(mac_cfg0); |
| 573 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 574 | &mac_cfg0, 4)) |
| 575 | return -EIO; |
| 576 | mac_cfg0 = 0; |
| 577 | netxen_gb_enable_tx(mac_cfg0); |
| 578 | netxen_gb_enable_rx(mac_cfg0); |
| 579 | netxen_gb_unset_rx_flowctl(mac_cfg0); |
| 580 | netxen_gb_tx_reset_pb(mac_cfg0); |
| 581 | netxen_gb_rx_reset_pb(mac_cfg0); |
| 582 | netxen_gb_tx_reset_mac(mac_cfg0); |
| 583 | netxen_gb_rx_reset_mac(mac_cfg0); |
| 584 | |
| 585 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 586 | &mac_cfg0, 4)) |
| 587 | return -EIO; |
| 588 | mac_cfg1 = 0; |
| 589 | netxen_gb_set_preamblelen(mac_cfg1, 0xf); |
| 590 | netxen_gb_set_duplex(mac_cfg1); |
| 591 | netxen_gb_set_crc_enable(mac_cfg1); |
| 592 | netxen_gb_set_padshort(mac_cfg1); |
| 593 | netxen_gb_set_checklength(mac_cfg1); |
| 594 | netxen_gb_set_hugeframes(mac_cfg1); |
| 595 | |
| 596 | if (mode == NETXEN_NIU_10_100_MB) { |
| 597 | netxen_gb_set_intfmode(mac_cfg1, 1); |
| 598 | if (netxen_nic_hw_write_wx(adapter, |
| 599 | NETXEN_NIU_GB_MAC_CONFIG_1(port), |
| 600 | &mac_cfg1, 4)) |
| 601 | return -EIO; |
| 602 | |
| 603 | /* set mii mode */ |
| 604 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE + |
| 605 | (port << 3), 0); |
| 606 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE + |
| 607 | (port << 3), 1); |
| 608 | |
| 609 | } else if (mode == NETXEN_NIU_1000_MB) { |
| 610 | netxen_gb_set_intfmode(mac_cfg1, 2); |
| 611 | if (netxen_nic_hw_write_wx(adapter, |
| 612 | NETXEN_NIU_GB_MAC_CONFIG_1(port), |
| 613 | &mac_cfg1, 4)) |
| 614 | return -EIO; |
| 615 | /* set gmii mode */ |
| 616 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_MII_MODE + |
| 617 | (port << 3), 0); |
| 618 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_GB0_GMII_MODE + |
| 619 | (port << 3), 1); |
| 620 | } |
| 621 | mii_cfg = 0; |
| 622 | netxen_gb_set_mii_mgmt_clockselect(mii_cfg, 7); |
| 623 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MII_MGMT_CONFIG(port), |
| 624 | &mii_cfg, 4)) |
| 625 | return -EIO; |
| 626 | mac_cfg0 = 0; |
| 627 | netxen_gb_enable_tx(mac_cfg0); |
| 628 | netxen_gb_enable_rx(mac_cfg0); |
| 629 | netxen_gb_unset_rx_flowctl(mac_cfg0); |
| 630 | netxen_gb_unset_tx_flowctl(mac_cfg0); |
| 631 | |
| 632 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 633 | &mac_cfg0, 4)) |
| 634 | return -EIO; |
| 635 | return 0; |
| 636 | } |
| 637 | |
| 638 | /* Disable a GbE interface */ |
| 639 | int netxen_niu_disable_gbe_port(struct netxen_adapter *adapter, int port) |
| 640 | { |
| 641 | __le32 mac_cfg0; |
| 642 | |
| 643 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) |
| 644 | return -EINVAL; |
| 645 | |
| 646 | mac_cfg0 = 0; |
| 647 | netxen_gb_soft_reset(mac_cfg0); |
| 648 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_MAC_CONFIG_0(port), |
| 649 | &mac_cfg0, 4)) |
| 650 | return -EIO; |
| 651 | return 0; |
| 652 | } |
| 653 | |
| 654 | /* Disable an XG interface */ |
| 655 | int netxen_niu_disable_xg_port(struct netxen_adapter *adapter, int port) |
| 656 | { |
| 657 | __le32 mac_cfg; |
| 658 | |
| 659 | if (port != 0) |
| 660 | return -EINVAL; |
| 661 | |
| 662 | mac_cfg = 0; |
| 663 | netxen_xg_soft_reset(mac_cfg); |
| 664 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_CONFIG_0, |
| 665 | &mac_cfg, 4)) |
| 666 | return -EIO; |
| 667 | return 0; |
| 668 | } |
| 669 | |
| 670 | /* Set promiscuous mode for a GbE interface */ |
| 671 | int netxen_niu_set_promiscuous_mode(struct netxen_adapter *adapter, int port, |
| 672 | netxen_niu_prom_mode_t mode) |
| 673 | { |
| 674 | __le32 reg; |
| 675 | |
| 676 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) |
| 677 | return -EINVAL; |
| 678 | |
| 679 | /* save previous contents */ |
| 680 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, |
| 681 | ®, 4)) |
| 682 | return -EIO; |
| 683 | if (mode == NETXEN_NIU_PROMISC_MODE) { |
| 684 | switch (port) { |
| 685 | case 0: |
| 686 | netxen_clear_gb_drop_gb0(reg); |
| 687 | break; |
| 688 | case 1: |
| 689 | netxen_clear_gb_drop_gb1(reg); |
| 690 | break; |
| 691 | case 2: |
| 692 | netxen_clear_gb_drop_gb2(reg); |
| 693 | break; |
| 694 | case 3: |
| 695 | netxen_clear_gb_drop_gb3(reg); |
| 696 | break; |
| 697 | default: |
| 698 | return -EIO; |
| 699 | } |
| 700 | } else { |
| 701 | switch (port) { |
| 702 | case 0: |
| 703 | netxen_set_gb_drop_gb0(reg); |
| 704 | break; |
| 705 | case 1: |
| 706 | netxen_set_gb_drop_gb1(reg); |
| 707 | break; |
| 708 | case 2: |
| 709 | netxen_set_gb_drop_gb2(reg); |
| 710 | break; |
| 711 | case 3: |
| 712 | netxen_set_gb_drop_gb3(reg); |
| 713 | break; |
| 714 | default: |
| 715 | return -EIO; |
| 716 | } |
| 717 | } |
| 718 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_GB_DROP_WRONGADDR, |
| 719 | ®, 4)) |
| 720 | return -EIO; |
| 721 | return 0; |
| 722 | } |
| 723 | |
| 724 | /* |
| 725 | * Set the MAC address for an XG port |
| 726 | * Note that the passed-in value must already be in network byte order. |
| 727 | */ |
| 728 | int netxen_niu_xg_macaddr_set(struct netxen_port *port, |
| 729 | netxen_ethernet_macaddr_t addr) |
| 730 | { |
| 731 | __le32 temp = 0; |
| 732 | struct netxen_adapter *adapter = port->adapter; |
| 733 | |
| 734 | memcpy(&temp, addr, 2); |
| 735 | temp = cpu_to_le32(temp); |
| 736 | temp <<= 16; |
| 737 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1, |
| 738 | &temp, 4)) |
| 739 | return -EIO; |
| 740 | |
| 741 | temp = 0; |
| 742 | |
| 743 | memcpy(&temp, ((u8 *) addr) + 2, sizeof(__le32)); |
| 744 | temp = cpu_to_le32(temp); |
| 745 | if (netxen_nic_hw_write_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI, |
| 746 | &temp, 4)) |
| 747 | return -EIO; |
| 748 | |
| 749 | return 0; |
| 750 | } |
| 751 | |
| 752 | /* |
| 753 | * Return the current station MAC address. |
| 754 | * Note that the passed-in value must already be in network byte order. |
| 755 | */ |
| 756 | int netxen_niu_xg_macaddr_get(struct netxen_adapter *adapter, int phy, |
| 757 | netxen_ethernet_macaddr_t * addr) |
| 758 | { |
| 759 | __le32 stationhigh; |
| 760 | __le32 stationlow; |
| 761 | u64 result; |
| 762 | |
| 763 | if (addr == NULL) |
| 764 | return -EINVAL; |
| 765 | if (phy != 0) |
| 766 | return -EINVAL; |
| 767 | |
| 768 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_HI, |
| 769 | &stationhigh, 4)) |
| 770 | return -EIO; |
| 771 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_STATION_ADDR_0_1, |
| 772 | &stationlow, 4)) |
| 773 | return -EIO; |
| 774 | |
| 775 | result = ((u64) stationlow) >> 16; |
| 776 | result |= (u64) stationhigh << 16; |
| 777 | memcpy(*addr, &result, sizeof(netxen_ethernet_macaddr_t)); |
| 778 | |
| 779 | return 0; |
| 780 | } |
| 781 | |
| 782 | int netxen_niu_xg_set_promiscuous_mode(struct netxen_adapter *adapter, |
| 783 | int port, netxen_niu_prom_mode_t mode) |
| 784 | { |
| 785 | __le32 reg; |
| 786 | |
| 787 | if ((port < 0) || (port > NETXEN_NIU_MAX_GBE_PORTS)) |
| 788 | return -EINVAL; |
| 789 | |
| 790 | if (netxen_nic_hw_read_wx(adapter, NETXEN_NIU_XGE_CONFIG_1, ®, 4)) |
| 791 | return -EIO; |
| 792 | if (mode == NETXEN_NIU_PROMISC_MODE) |
| 793 | reg = (reg | 0x2000UL); |
| 794 | else |
| 795 | reg = (reg & ~0x2000UL); |
| 796 | |
| 797 | netxen_crb_writelit_adapter(adapter, NETXEN_NIU_XGE_CONFIG_1, reg); |
| 798 | |
| 799 | return 0; |
| 800 | } |