Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1 | /* |
| 2 | * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet |
| 3 | * driver for Linux. |
| 4 | * |
| 5 | * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved. |
| 6 | * |
| 7 | * This software is available to you under a choice of one of two |
| 8 | * licenses. You may choose to be licensed under the terms of the GNU |
| 9 | * General Public License (GPL) Version 2, available from the file |
| 10 | * COPYING in the main directory of this source tree, or the |
| 11 | * OpenIB.org BSD license below: |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or |
| 14 | * without modification, are permitted provided that the following |
| 15 | * conditions are met: |
| 16 | * |
| 17 | * - Redistributions of source code must retain the above |
| 18 | * copyright notice, this list of conditions and the following |
| 19 | * disclaimer. |
| 20 | * |
| 21 | * - Redistributions in binary form must reproduce the above |
| 22 | * copyright notice, this list of conditions and the following |
| 23 | * disclaimer in the documentation and/or other materials |
| 24 | * provided with the distribution. |
| 25 | * |
| 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 33 | * SOFTWARE. |
| 34 | */ |
| 35 | |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 36 | #include <linux/pci.h> |
| 37 | |
| 38 | #include "t4vf_common.h" |
| 39 | #include "t4vf_defs.h" |
| 40 | |
| 41 | #include "../cxgb4/t4_regs.h" |
| 42 | #include "../cxgb4/t4fw_api.h" |
| 43 | |
| 44 | /* |
| 45 | * Wait for the device to become ready (signified by our "who am I" register |
| 46 | * returning a value other than all 1's). Return an error if it doesn't |
| 47 | * become ready ... |
| 48 | */ |
| 49 | int __devinit t4vf_wait_dev_ready(struct adapter *adapter) |
| 50 | { |
| 51 | const u32 whoami = T4VF_PL_BASE_ADDR + PL_VF_WHOAMI; |
| 52 | const u32 notready1 = 0xffffffff; |
| 53 | const u32 notready2 = 0xeeeeeeee; |
| 54 | u32 val; |
| 55 | |
| 56 | val = t4_read_reg(adapter, whoami); |
| 57 | if (val != notready1 && val != notready2) |
| 58 | return 0; |
| 59 | msleep(500); |
| 60 | val = t4_read_reg(adapter, whoami); |
| 61 | if (val != notready1 && val != notready2) |
| 62 | return 0; |
| 63 | else |
| 64 | return -EIO; |
| 65 | } |
| 66 | |
| 67 | /* |
| 68 | * Get the reply to a mailbox command and store it in @rpl in big-endian order |
| 69 | * (since the firmware data structures are specified in a big-endian layout). |
| 70 | */ |
| 71 | static void get_mbox_rpl(struct adapter *adapter, __be64 *rpl, int size, |
| 72 | u32 mbox_data) |
| 73 | { |
| 74 | for ( ; size; size -= 8, mbox_data += 8) |
| 75 | *rpl++ = cpu_to_be64(t4_read_reg64(adapter, mbox_data)); |
| 76 | } |
| 77 | |
| 78 | /* |
| 79 | * Dump contents of mailbox with a leading tag. |
| 80 | */ |
| 81 | static void dump_mbox(struct adapter *adapter, const char *tag, u32 mbox_data) |
| 82 | { |
| 83 | dev_err(adapter->pdev_dev, |
| 84 | "mbox %s: %llx %llx %llx %llx %llx %llx %llx %llx\n", tag, |
| 85 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 0), |
| 86 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 8), |
| 87 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 16), |
| 88 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 24), |
| 89 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 32), |
| 90 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 40), |
| 91 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 48), |
| 92 | (unsigned long long)t4_read_reg64(adapter, mbox_data + 56)); |
| 93 | } |
| 94 | |
| 95 | /** |
| 96 | * t4vf_wr_mbox_core - send a command to FW through the mailbox |
| 97 | * @adapter: the adapter |
| 98 | * @cmd: the command to write |
| 99 | * @size: command length in bytes |
| 100 | * @rpl: where to optionally store the reply |
| 101 | * @sleep_ok: if true we may sleep while awaiting command completion |
| 102 | * |
| 103 | * Sends the given command to FW through the mailbox and waits for the |
| 104 | * FW to execute the command. If @rpl is not %NULL it is used to store |
| 105 | * the FW's reply to the command. The command and its optional reply |
| 106 | * are of the same length. FW can take up to 500 ms to respond. |
| 107 | * @sleep_ok determines whether we may sleep while awaiting the response. |
| 108 | * If sleeping is allowed we use progressive backoff otherwise we spin. |
| 109 | * |
| 110 | * The return value is 0 on success or a negative errno on failure. A |
| 111 | * failure can happen either because we are not able to execute the |
| 112 | * command or FW executes it but signals an error. In the latter case |
| 113 | * the return value is the error code indicated by FW (negated). |
| 114 | */ |
| 115 | int t4vf_wr_mbox_core(struct adapter *adapter, const void *cmd, int size, |
| 116 | void *rpl, bool sleep_ok) |
| 117 | { |
Joe Perches | 215faf9 | 2010-12-21 02:16:10 -0800 | [diff] [blame] | 118 | static const int delay[] = { |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 119 | 1, 1, 3, 5, 10, 10, 20, 50, 100 |
| 120 | }; |
| 121 | |
| 122 | u32 v; |
| 123 | int i, ms, delay_idx; |
| 124 | const __be64 *p; |
| 125 | u32 mbox_data = T4VF_MBDATA_BASE_ADDR; |
| 126 | u32 mbox_ctl = T4VF_CIM_BASE_ADDR + CIM_VF_EXT_MAILBOX_CTRL; |
| 127 | |
| 128 | /* |
| 129 | * Commands must be multiples of 16 bytes in length and may not be |
| 130 | * larger than the size of the Mailbox Data register array. |
| 131 | */ |
| 132 | if ((size % 16) != 0 || |
| 133 | size > NUM_CIM_VF_MAILBOX_DATA_INSTANCES * 4) |
| 134 | return -EINVAL; |
| 135 | |
| 136 | /* |
| 137 | * Loop trying to get ownership of the mailbox. Return an error |
| 138 | * if we can't gain ownership. |
| 139 | */ |
| 140 | v = MBOWNER_GET(t4_read_reg(adapter, mbox_ctl)); |
| 141 | for (i = 0; v == MBOX_OWNER_NONE && i < 3; i++) |
| 142 | v = MBOWNER_GET(t4_read_reg(adapter, mbox_ctl)); |
| 143 | if (v != MBOX_OWNER_DRV) |
| 144 | return v == MBOX_OWNER_FW ? -EBUSY : -ETIMEDOUT; |
| 145 | |
| 146 | /* |
| 147 | * Write the command array into the Mailbox Data register array and |
| 148 | * transfer ownership of the mailbox to the firmware. |
Casey Leedom | 80ce3f6 | 2011-01-10 13:53:43 -0800 | [diff] [blame] | 149 | * |
| 150 | * For the VFs, the Mailbox Data "registers" are actually backed by |
| 151 | * T4's "MA" interface rather than PL Registers (as is the case for |
| 152 | * the PFs). Because these are in different coherency domains, the |
| 153 | * write to the VF's PL-register-backed Mailbox Control can race in |
| 154 | * front of the writes to the MA-backed VF Mailbox Data "registers". |
| 155 | * So we need to do a read-back on at least one byte of the VF Mailbox |
| 156 | * Data registers before doing the write to the VF Mailbox Control |
| 157 | * register. |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 158 | */ |
| 159 | for (i = 0, p = cmd; i < size; i += 8) |
| 160 | t4_write_reg64(adapter, mbox_data + i, be64_to_cpu(*p++)); |
Casey Leedom | 80ce3f6 | 2011-01-10 13:53:43 -0800 | [diff] [blame] | 161 | t4_read_reg(adapter, mbox_data); /* flush write */ |
| 162 | |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 163 | t4_write_reg(adapter, mbox_ctl, |
| 164 | MBMSGVALID | MBOWNER(MBOX_OWNER_FW)); |
| 165 | t4_read_reg(adapter, mbox_ctl); /* flush write */ |
| 166 | |
| 167 | /* |
| 168 | * Spin waiting for firmware to acknowledge processing our command. |
| 169 | */ |
| 170 | delay_idx = 0; |
| 171 | ms = delay[0]; |
| 172 | |
Casey Leedom | 0550769 | 2011-02-14 12:56:25 +0000 | [diff] [blame] | 173 | for (i = 0; i < FW_CMD_MAX_TIMEOUT; i += ms) { |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 174 | if (sleep_ok) { |
| 175 | ms = delay[delay_idx]; |
Casey Leedom | 024e629 | 2010-07-19 17:51:46 -0700 | [diff] [blame] | 176 | if (delay_idx < ARRAY_SIZE(delay) - 1) |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 177 | delay_idx++; |
| 178 | msleep(ms); |
| 179 | } else |
| 180 | mdelay(ms); |
| 181 | |
| 182 | /* |
| 183 | * If we're the owner, see if this is the reply we wanted. |
| 184 | */ |
| 185 | v = t4_read_reg(adapter, mbox_ctl); |
| 186 | if (MBOWNER_GET(v) == MBOX_OWNER_DRV) { |
| 187 | /* |
| 188 | * If the Message Valid bit isn't on, revoke ownership |
| 189 | * of the mailbox and continue waiting for our reply. |
| 190 | */ |
| 191 | if ((v & MBMSGVALID) == 0) { |
| 192 | t4_write_reg(adapter, mbox_ctl, |
| 193 | MBOWNER(MBOX_OWNER_NONE)); |
| 194 | continue; |
| 195 | } |
| 196 | |
| 197 | /* |
| 198 | * We now have our reply. Extract the command return |
| 199 | * value, copy the reply back to our caller's buffer |
| 200 | * (if specified) and revoke ownership of the mailbox. |
| 201 | * We return the (negated) firmware command return |
| 202 | * code (this depends on FW_SUCCESS == 0). |
| 203 | */ |
| 204 | |
| 205 | /* return value in low-order little-endian word */ |
| 206 | v = t4_read_reg(adapter, mbox_data); |
| 207 | if (FW_CMD_RETVAL_GET(v)) |
| 208 | dump_mbox(adapter, "FW Error", mbox_data); |
| 209 | |
| 210 | if (rpl) { |
| 211 | /* request bit in high-order BE word */ |
| 212 | WARN_ON((be32_to_cpu(*(const u32 *)cmd) |
| 213 | & FW_CMD_REQUEST) == 0); |
| 214 | get_mbox_rpl(adapter, rpl, size, mbox_data); |
| 215 | WARN_ON((be32_to_cpu(*(u32 *)rpl) |
| 216 | & FW_CMD_REQUEST) != 0); |
| 217 | } |
| 218 | t4_write_reg(adapter, mbox_ctl, |
| 219 | MBOWNER(MBOX_OWNER_NONE)); |
| 220 | return -FW_CMD_RETVAL_GET(v); |
| 221 | } |
| 222 | } |
| 223 | |
| 224 | /* |
| 225 | * We timed out. Return the error ... |
| 226 | */ |
| 227 | dump_mbox(adapter, "FW Timeout", mbox_data); |
| 228 | return -ETIMEDOUT; |
| 229 | } |
| 230 | |
| 231 | /** |
| 232 | * hash_mac_addr - return the hash value of a MAC address |
| 233 | * @addr: the 48-bit Ethernet MAC address |
| 234 | * |
| 235 | * Hashes a MAC address according to the hash function used by hardware |
| 236 | * inexact (hash) address matching. |
| 237 | */ |
| 238 | static int hash_mac_addr(const u8 *addr) |
| 239 | { |
| 240 | u32 a = ((u32)addr[0] << 16) | ((u32)addr[1] << 8) | addr[2]; |
| 241 | u32 b = ((u32)addr[3] << 16) | ((u32)addr[4] << 8) | addr[5]; |
| 242 | a ^= b; |
| 243 | a ^= (a >> 12); |
| 244 | a ^= (a >> 6); |
| 245 | return a & 0x3f; |
| 246 | } |
| 247 | |
| 248 | /** |
| 249 | * init_link_config - initialize a link's SW state |
| 250 | * @lc: structure holding the link state |
| 251 | * @caps: link capabilities |
| 252 | * |
| 253 | * Initializes the SW state maintained for each link, including the link's |
| 254 | * capabilities and default speed/flow-control/autonegotiation settings. |
| 255 | */ |
| 256 | static void __devinit init_link_config(struct link_config *lc, |
| 257 | unsigned int caps) |
| 258 | { |
| 259 | lc->supported = caps; |
| 260 | lc->requested_speed = 0; |
| 261 | lc->speed = 0; |
| 262 | lc->requested_fc = lc->fc = PAUSE_RX | PAUSE_TX; |
| 263 | if (lc->supported & SUPPORTED_Autoneg) { |
| 264 | lc->advertising = lc->supported; |
| 265 | lc->autoneg = AUTONEG_ENABLE; |
| 266 | lc->requested_fc |= PAUSE_AUTONEG; |
| 267 | } else { |
| 268 | lc->advertising = 0; |
| 269 | lc->autoneg = AUTONEG_DISABLE; |
| 270 | } |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * t4vf_port_init - initialize port hardware/software state |
| 275 | * @adapter: the adapter |
| 276 | * @pidx: the adapter port index |
| 277 | */ |
| 278 | int __devinit t4vf_port_init(struct adapter *adapter, int pidx) |
| 279 | { |
| 280 | struct port_info *pi = adap2pinfo(adapter, pidx); |
| 281 | struct fw_vi_cmd vi_cmd, vi_rpl; |
| 282 | struct fw_port_cmd port_cmd, port_rpl; |
| 283 | int v; |
| 284 | u32 word; |
| 285 | |
| 286 | /* |
| 287 | * Execute a VI Read command to get our Virtual Interface information |
| 288 | * like MAC address, etc. |
| 289 | */ |
| 290 | memset(&vi_cmd, 0, sizeof(vi_cmd)); |
| 291 | vi_cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) | |
| 292 | FW_CMD_REQUEST | |
| 293 | FW_CMD_READ); |
| 294 | vi_cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(vi_cmd)); |
| 295 | vi_cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID(pi->viid)); |
| 296 | v = t4vf_wr_mbox(adapter, &vi_cmd, sizeof(vi_cmd), &vi_rpl); |
| 297 | if (v) |
| 298 | return v; |
| 299 | |
| 300 | BUG_ON(pi->port_id != FW_VI_CMD_PORTID_GET(vi_rpl.portid_pkd)); |
| 301 | pi->rss_size = FW_VI_CMD_RSSSIZE_GET(be16_to_cpu(vi_rpl.rsssize_pkd)); |
| 302 | t4_os_set_hw_addr(adapter, pidx, vi_rpl.mac); |
| 303 | |
| 304 | /* |
| 305 | * If we don't have read access to our port information, we're done |
| 306 | * now. Otherwise, execute a PORT Read command to get it ... |
| 307 | */ |
| 308 | if (!(adapter->params.vfres.r_caps & FW_CMD_CAP_PORT)) |
| 309 | return 0; |
| 310 | |
| 311 | memset(&port_cmd, 0, sizeof(port_cmd)); |
| 312 | port_cmd.op_to_portid = cpu_to_be32(FW_CMD_OP(FW_PORT_CMD) | |
| 313 | FW_CMD_REQUEST | |
| 314 | FW_CMD_READ | |
| 315 | FW_PORT_CMD_PORTID(pi->port_id)); |
| 316 | port_cmd.action_to_len16 = |
| 317 | cpu_to_be32(FW_PORT_CMD_ACTION(FW_PORT_ACTION_GET_PORT_INFO) | |
| 318 | FW_LEN16(port_cmd)); |
| 319 | v = t4vf_wr_mbox(adapter, &port_cmd, sizeof(port_cmd), &port_rpl); |
| 320 | if (v) |
| 321 | return v; |
| 322 | |
| 323 | v = 0; |
| 324 | word = be16_to_cpu(port_rpl.u.info.pcap); |
| 325 | if (word & FW_PORT_CAP_SPEED_100M) |
| 326 | v |= SUPPORTED_100baseT_Full; |
| 327 | if (word & FW_PORT_CAP_SPEED_1G) |
| 328 | v |= SUPPORTED_1000baseT_Full; |
| 329 | if (word & FW_PORT_CAP_SPEED_10G) |
| 330 | v |= SUPPORTED_10000baseT_Full; |
| 331 | if (word & FW_PORT_CAP_ANEG) |
| 332 | v |= SUPPORTED_Autoneg; |
| 333 | init_link_config(&pi->link_cfg, v); |
| 334 | |
| 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | /** |
Casey Leedom | e68e613 | 2010-11-11 09:06:53 +0000 | [diff] [blame] | 339 | * t4vf_fw_reset - issue a reset to FW |
| 340 | * @adapter: the adapter |
| 341 | * |
| 342 | * Issues a reset command to FW. For a Physical Function this would |
| 343 | * result in the Firmware reseting all of its state. For a Virtual |
| 344 | * Function this just resets the state associated with the VF. |
| 345 | */ |
| 346 | int t4vf_fw_reset(struct adapter *adapter) |
| 347 | { |
| 348 | struct fw_reset_cmd cmd; |
| 349 | |
| 350 | memset(&cmd, 0, sizeof(cmd)); |
| 351 | cmd.op_to_write = cpu_to_be32(FW_CMD_OP(FW_RESET_CMD) | |
| 352 | FW_CMD_WRITE); |
| 353 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 354 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 355 | } |
| 356 | |
| 357 | /** |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 358 | * t4vf_query_params - query FW or device parameters |
| 359 | * @adapter: the adapter |
| 360 | * @nparams: the number of parameters |
| 361 | * @params: the parameter names |
| 362 | * @vals: the parameter values |
| 363 | * |
| 364 | * Reads the values of firmware or device parameters. Up to 7 parameters |
| 365 | * can be queried at once. |
| 366 | */ |
| 367 | int t4vf_query_params(struct adapter *adapter, unsigned int nparams, |
| 368 | const u32 *params, u32 *vals) |
| 369 | { |
| 370 | int i, ret; |
| 371 | struct fw_params_cmd cmd, rpl; |
| 372 | struct fw_params_param *p; |
| 373 | size_t len16; |
| 374 | |
| 375 | if (nparams > 7) |
| 376 | return -EINVAL; |
| 377 | |
| 378 | memset(&cmd, 0, sizeof(cmd)); |
| 379 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_PARAMS_CMD) | |
| 380 | FW_CMD_REQUEST | |
| 381 | FW_CMD_READ); |
| 382 | len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, |
| 383 | param[nparams].mnem), 16); |
| 384 | cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); |
| 385 | for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) |
| 386 | p->mnem = htonl(*params++); |
| 387 | |
| 388 | ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 389 | if (ret == 0) |
| 390 | for (i = 0, p = &rpl.param[0]; i < nparams; i++, p++) |
| 391 | *vals++ = be32_to_cpu(p->val); |
| 392 | return ret; |
| 393 | } |
| 394 | |
| 395 | /** |
| 396 | * t4vf_set_params - sets FW or device parameters |
| 397 | * @adapter: the adapter |
| 398 | * @nparams: the number of parameters |
| 399 | * @params: the parameter names |
| 400 | * @vals: the parameter values |
| 401 | * |
| 402 | * Sets the values of firmware or device parameters. Up to 7 parameters |
| 403 | * can be specified at once. |
| 404 | */ |
| 405 | int t4vf_set_params(struct adapter *adapter, unsigned int nparams, |
| 406 | const u32 *params, const u32 *vals) |
| 407 | { |
| 408 | int i; |
| 409 | struct fw_params_cmd cmd; |
| 410 | struct fw_params_param *p; |
| 411 | size_t len16; |
| 412 | |
| 413 | if (nparams > 7) |
| 414 | return -EINVAL; |
| 415 | |
| 416 | memset(&cmd, 0, sizeof(cmd)); |
| 417 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_PARAMS_CMD) | |
| 418 | FW_CMD_REQUEST | |
| 419 | FW_CMD_WRITE); |
| 420 | len16 = DIV_ROUND_UP(offsetof(struct fw_params_cmd, |
| 421 | param[nparams]), 16); |
| 422 | cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); |
| 423 | for (i = 0, p = &cmd.param[0]; i < nparams; i++, p++) { |
| 424 | p->mnem = cpu_to_be32(*params++); |
| 425 | p->val = cpu_to_be32(*vals++); |
| 426 | } |
| 427 | |
| 428 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * t4vf_get_sge_params - retrieve adapter Scatter gather Engine parameters |
| 433 | * @adapter: the adapter |
| 434 | * |
| 435 | * Retrieves various core SGE parameters in the form of hardware SGE |
| 436 | * register values. The caller is responsible for decoding these as |
| 437 | * needed. The SGE parameters are stored in @adapter->params.sge. |
| 438 | */ |
| 439 | int t4vf_get_sge_params(struct adapter *adapter) |
| 440 | { |
| 441 | struct sge_params *sge_params = &adapter->params.sge; |
| 442 | u32 params[7], vals[7]; |
| 443 | int v; |
| 444 | |
| 445 | params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 446 | FW_PARAMS_PARAM_XYZ(SGE_CONTROL)); |
| 447 | params[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 448 | FW_PARAMS_PARAM_XYZ(SGE_HOST_PAGE_SIZE)); |
| 449 | params[2] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 450 | FW_PARAMS_PARAM_XYZ(SGE_FL_BUFFER_SIZE0)); |
| 451 | params[3] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 452 | FW_PARAMS_PARAM_XYZ(SGE_FL_BUFFER_SIZE1)); |
| 453 | params[4] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 454 | FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_0_AND_1)); |
| 455 | params[5] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 456 | FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_2_AND_3)); |
| 457 | params[6] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 458 | FW_PARAMS_PARAM_XYZ(SGE_TIMER_VALUE_4_AND_5)); |
| 459 | v = t4vf_query_params(adapter, 7, params, vals); |
| 460 | if (v) |
| 461 | return v; |
| 462 | sge_params->sge_control = vals[0]; |
| 463 | sge_params->sge_host_page_size = vals[1]; |
| 464 | sge_params->sge_fl_buffer_size[0] = vals[2]; |
| 465 | sge_params->sge_fl_buffer_size[1] = vals[3]; |
| 466 | sge_params->sge_timer_value_0_and_1 = vals[4]; |
| 467 | sge_params->sge_timer_value_2_and_3 = vals[5]; |
| 468 | sge_params->sge_timer_value_4_and_5 = vals[6]; |
| 469 | |
| 470 | params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_REG) | |
| 471 | FW_PARAMS_PARAM_XYZ(SGE_INGRESS_RX_THRESHOLD)); |
| 472 | v = t4vf_query_params(adapter, 1, params, vals); |
| 473 | if (v) |
| 474 | return v; |
| 475 | sge_params->sge_ingress_rx_threshold = vals[0]; |
| 476 | |
| 477 | return 0; |
| 478 | } |
| 479 | |
| 480 | /** |
| 481 | * t4vf_get_vpd_params - retrieve device VPD paremeters |
| 482 | * @adapter: the adapter |
| 483 | * |
| 484 | * Retrives various device Vital Product Data parameters. The parameters |
| 485 | * are stored in @adapter->params.vpd. |
| 486 | */ |
| 487 | int t4vf_get_vpd_params(struct adapter *adapter) |
| 488 | { |
| 489 | struct vpd_params *vpd_params = &adapter->params.vpd; |
| 490 | u32 params[7], vals[7]; |
| 491 | int v; |
| 492 | |
| 493 | params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | |
| 494 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CCLK)); |
| 495 | v = t4vf_query_params(adapter, 1, params, vals); |
| 496 | if (v) |
| 497 | return v; |
| 498 | vpd_params->cclk = vals[0]; |
| 499 | |
| 500 | return 0; |
| 501 | } |
| 502 | |
| 503 | /** |
| 504 | * t4vf_get_dev_params - retrieve device paremeters |
| 505 | * @adapter: the adapter |
| 506 | * |
| 507 | * Retrives various device parameters. The parameters are stored in |
| 508 | * @adapter->params.dev. |
| 509 | */ |
| 510 | int t4vf_get_dev_params(struct adapter *adapter) |
| 511 | { |
| 512 | struct dev_params *dev_params = &adapter->params.dev; |
| 513 | u32 params[7], vals[7]; |
| 514 | int v; |
| 515 | |
| 516 | params[0] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | |
| 517 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_FWREV)); |
| 518 | params[1] = (FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | |
| 519 | FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_TPREV)); |
| 520 | v = t4vf_query_params(adapter, 2, params, vals); |
| 521 | if (v) |
| 522 | return v; |
| 523 | dev_params->fwrev = vals[0]; |
| 524 | dev_params->tprev = vals[1]; |
| 525 | |
| 526 | return 0; |
| 527 | } |
| 528 | |
| 529 | /** |
| 530 | * t4vf_get_rss_glb_config - retrieve adapter RSS Global Configuration |
| 531 | * @adapter: the adapter |
| 532 | * |
| 533 | * Retrieves global RSS mode and parameters with which we have to live |
| 534 | * and stores them in the @adapter's RSS parameters. |
| 535 | */ |
| 536 | int t4vf_get_rss_glb_config(struct adapter *adapter) |
| 537 | { |
| 538 | struct rss_params *rss = &adapter->params.rss; |
| 539 | struct fw_rss_glb_config_cmd cmd, rpl; |
| 540 | int v; |
| 541 | |
| 542 | /* |
| 543 | * Execute an RSS Global Configuration read command to retrieve |
| 544 | * our RSS configuration. |
| 545 | */ |
| 546 | memset(&cmd, 0, sizeof(cmd)); |
| 547 | cmd.op_to_write = cpu_to_be32(FW_CMD_OP(FW_RSS_GLB_CONFIG_CMD) | |
| 548 | FW_CMD_REQUEST | |
| 549 | FW_CMD_READ); |
| 550 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 551 | v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 552 | if (v) |
| 553 | return v; |
| 554 | |
| 555 | /* |
| 556 | * Transate the big-endian RSS Global Configuration into our |
| 557 | * cpu-endian format based on the RSS mode. We also do first level |
| 558 | * filtering at this point to weed out modes which don't support |
| 559 | * VF Drivers ... |
| 560 | */ |
| 561 | rss->mode = FW_RSS_GLB_CONFIG_CMD_MODE_GET( |
| 562 | be32_to_cpu(rpl.u.manual.mode_pkd)); |
| 563 | switch (rss->mode) { |
| 564 | case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { |
| 565 | u32 word = be32_to_cpu( |
| 566 | rpl.u.basicvirtual.synmapen_to_hashtoeplitz); |
| 567 | |
| 568 | rss->u.basicvirtual.synmapen = |
| 569 | ((word & FW_RSS_GLB_CONFIG_CMD_SYNMAPEN) != 0); |
| 570 | rss->u.basicvirtual.syn4tupenipv6 = |
| 571 | ((word & FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV6) != 0); |
| 572 | rss->u.basicvirtual.syn2tupenipv6 = |
| 573 | ((word & FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV6) != 0); |
| 574 | rss->u.basicvirtual.syn4tupenipv4 = |
| 575 | ((word & FW_RSS_GLB_CONFIG_CMD_SYN4TUPENIPV4) != 0); |
| 576 | rss->u.basicvirtual.syn2tupenipv4 = |
| 577 | ((word & FW_RSS_GLB_CONFIG_CMD_SYN2TUPENIPV4) != 0); |
| 578 | |
| 579 | rss->u.basicvirtual.ofdmapen = |
| 580 | ((word & FW_RSS_GLB_CONFIG_CMD_OFDMAPEN) != 0); |
| 581 | |
| 582 | rss->u.basicvirtual.tnlmapen = |
| 583 | ((word & FW_RSS_GLB_CONFIG_CMD_TNLMAPEN) != 0); |
| 584 | rss->u.basicvirtual.tnlalllookup = |
| 585 | ((word & FW_RSS_GLB_CONFIG_CMD_TNLALLLKP) != 0); |
| 586 | |
| 587 | rss->u.basicvirtual.hashtoeplitz = |
| 588 | ((word & FW_RSS_GLB_CONFIG_CMD_HASHTOEPLITZ) != 0); |
| 589 | |
| 590 | /* we need at least Tunnel Map Enable to be set */ |
| 591 | if (!rss->u.basicvirtual.tnlmapen) |
| 592 | return -EINVAL; |
| 593 | break; |
| 594 | } |
| 595 | |
| 596 | default: |
| 597 | /* all unknown/unsupported RSS modes result in an error */ |
| 598 | return -EINVAL; |
| 599 | } |
| 600 | |
| 601 | return 0; |
| 602 | } |
| 603 | |
| 604 | /** |
| 605 | * t4vf_get_vfres - retrieve VF resource limits |
| 606 | * @adapter: the adapter |
| 607 | * |
| 608 | * Retrieves configured resource limits and capabilities for a virtual |
| 609 | * function. The results are stored in @adapter->vfres. |
| 610 | */ |
| 611 | int t4vf_get_vfres(struct adapter *adapter) |
| 612 | { |
| 613 | struct vf_resources *vfres = &adapter->params.vfres; |
| 614 | struct fw_pfvf_cmd cmd, rpl; |
| 615 | int v; |
| 616 | u32 word; |
| 617 | |
| 618 | /* |
| 619 | * Execute PFVF Read command to get VF resource limits; bail out early |
| 620 | * with error on command failure. |
| 621 | */ |
| 622 | memset(&cmd, 0, sizeof(cmd)); |
| 623 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_PFVF_CMD) | |
| 624 | FW_CMD_REQUEST | |
| 625 | FW_CMD_READ); |
| 626 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 627 | v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 628 | if (v) |
| 629 | return v; |
| 630 | |
| 631 | /* |
| 632 | * Extract VF resource limits and return success. |
| 633 | */ |
| 634 | word = be32_to_cpu(rpl.niqflint_niq); |
| 635 | vfres->niqflint = FW_PFVF_CMD_NIQFLINT_GET(word); |
| 636 | vfres->niq = FW_PFVF_CMD_NIQ_GET(word); |
| 637 | |
| 638 | word = be32_to_cpu(rpl.type_to_neq); |
| 639 | vfres->neq = FW_PFVF_CMD_NEQ_GET(word); |
| 640 | vfres->pmask = FW_PFVF_CMD_PMASK_GET(word); |
| 641 | |
| 642 | word = be32_to_cpu(rpl.tc_to_nexactf); |
| 643 | vfres->tc = FW_PFVF_CMD_TC_GET(word); |
| 644 | vfres->nvi = FW_PFVF_CMD_NVI_GET(word); |
| 645 | vfres->nexactf = FW_PFVF_CMD_NEXACTF_GET(word); |
| 646 | |
| 647 | word = be32_to_cpu(rpl.r_caps_to_nethctrl); |
| 648 | vfres->r_caps = FW_PFVF_CMD_R_CAPS_GET(word); |
| 649 | vfres->wx_caps = FW_PFVF_CMD_WX_CAPS_GET(word); |
| 650 | vfres->nethctrl = FW_PFVF_CMD_NETHCTRL_GET(word); |
| 651 | |
| 652 | return 0; |
| 653 | } |
| 654 | |
| 655 | /** |
| 656 | * t4vf_read_rss_vi_config - read a VI's RSS configuration |
| 657 | * @adapter: the adapter |
| 658 | * @viid: Virtual Interface ID |
| 659 | * @config: pointer to host-native VI RSS Configuration buffer |
| 660 | * |
| 661 | * Reads the Virtual Interface's RSS configuration information and |
| 662 | * translates it into CPU-native format. |
| 663 | */ |
| 664 | int t4vf_read_rss_vi_config(struct adapter *adapter, unsigned int viid, |
| 665 | union rss_vi_config *config) |
| 666 | { |
| 667 | struct fw_rss_vi_config_cmd cmd, rpl; |
| 668 | int v; |
| 669 | |
| 670 | memset(&cmd, 0, sizeof(cmd)); |
| 671 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | |
| 672 | FW_CMD_REQUEST | |
| 673 | FW_CMD_READ | |
| 674 | FW_RSS_VI_CONFIG_CMD_VIID(viid)); |
| 675 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 676 | v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 677 | if (v) |
| 678 | return v; |
| 679 | |
| 680 | switch (adapter->params.rss.mode) { |
| 681 | case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { |
| 682 | u32 word = be32_to_cpu(rpl.u.basicvirtual.defaultq_to_udpen); |
| 683 | |
| 684 | config->basicvirtual.ip6fourtupen = |
| 685 | ((word & FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN) != 0); |
| 686 | config->basicvirtual.ip6twotupen = |
| 687 | ((word & FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN) != 0); |
| 688 | config->basicvirtual.ip4fourtupen = |
| 689 | ((word & FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN) != 0); |
| 690 | config->basicvirtual.ip4twotupen = |
| 691 | ((word & FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN) != 0); |
| 692 | config->basicvirtual.udpen = |
| 693 | ((word & FW_RSS_VI_CONFIG_CMD_UDPEN) != 0); |
| 694 | config->basicvirtual.defaultq = |
| 695 | FW_RSS_VI_CONFIG_CMD_DEFAULTQ_GET(word); |
| 696 | break; |
| 697 | } |
| 698 | |
| 699 | default: |
| 700 | return -EINVAL; |
| 701 | } |
| 702 | |
| 703 | return 0; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * t4vf_write_rss_vi_config - write a VI's RSS configuration |
| 708 | * @adapter: the adapter |
| 709 | * @viid: Virtual Interface ID |
| 710 | * @config: pointer to host-native VI RSS Configuration buffer |
| 711 | * |
| 712 | * Write the Virtual Interface's RSS configuration information |
| 713 | * (translating it into firmware-native format before writing). |
| 714 | */ |
| 715 | int t4vf_write_rss_vi_config(struct adapter *adapter, unsigned int viid, |
| 716 | union rss_vi_config *config) |
| 717 | { |
| 718 | struct fw_rss_vi_config_cmd cmd, rpl; |
| 719 | |
| 720 | memset(&cmd, 0, sizeof(cmd)); |
| 721 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_VI_CONFIG_CMD) | |
| 722 | FW_CMD_REQUEST | |
| 723 | FW_CMD_WRITE | |
| 724 | FW_RSS_VI_CONFIG_CMD_VIID(viid)); |
| 725 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 726 | switch (adapter->params.rss.mode) { |
| 727 | case FW_RSS_GLB_CONFIG_CMD_MODE_BASICVIRTUAL: { |
| 728 | u32 word = 0; |
| 729 | |
| 730 | if (config->basicvirtual.ip6fourtupen) |
| 731 | word |= FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN; |
| 732 | if (config->basicvirtual.ip6twotupen) |
| 733 | word |= FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN; |
| 734 | if (config->basicvirtual.ip4fourtupen) |
| 735 | word |= FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN; |
| 736 | if (config->basicvirtual.ip4twotupen) |
| 737 | word |= FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN; |
| 738 | if (config->basicvirtual.udpen) |
| 739 | word |= FW_RSS_VI_CONFIG_CMD_UDPEN; |
| 740 | word |= FW_RSS_VI_CONFIG_CMD_DEFAULTQ( |
| 741 | config->basicvirtual.defaultq); |
| 742 | cmd.u.basicvirtual.defaultq_to_udpen = cpu_to_be32(word); |
| 743 | break; |
| 744 | } |
| 745 | |
| 746 | default: |
| 747 | return -EINVAL; |
| 748 | } |
| 749 | |
| 750 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 751 | } |
| 752 | |
| 753 | /** |
| 754 | * t4vf_config_rss_range - configure a portion of the RSS mapping table |
| 755 | * @adapter: the adapter |
| 756 | * @viid: Virtual Interface of RSS Table Slice |
| 757 | * @start: starting entry in the table to write |
| 758 | * @n: how many table entries to write |
| 759 | * @rspq: values for the "Response Queue" (Ingress Queue) lookup table |
| 760 | * @nrspq: number of values in @rspq |
| 761 | * |
| 762 | * Programs the selected part of the VI's RSS mapping table with the |
| 763 | * provided values. If @nrspq < @n the supplied values are used repeatedly |
| 764 | * until the full table range is populated. |
| 765 | * |
| 766 | * The caller must ensure the values in @rspq are in the range 0..1023. |
| 767 | */ |
| 768 | int t4vf_config_rss_range(struct adapter *adapter, unsigned int viid, |
| 769 | int start, int n, const u16 *rspq, int nrspq) |
| 770 | { |
| 771 | const u16 *rsp = rspq; |
| 772 | const u16 *rsp_end = rspq+nrspq; |
| 773 | struct fw_rss_ind_tbl_cmd cmd; |
| 774 | |
| 775 | /* |
| 776 | * Initialize firmware command template to write the RSS table. |
| 777 | */ |
| 778 | memset(&cmd, 0, sizeof(cmd)); |
| 779 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_RSS_IND_TBL_CMD) | |
| 780 | FW_CMD_REQUEST | |
| 781 | FW_CMD_WRITE | |
| 782 | FW_RSS_IND_TBL_CMD_VIID(viid)); |
| 783 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 784 | |
| 785 | /* |
| 786 | * Each firmware RSS command can accommodate up to 32 RSS Ingress |
| 787 | * Queue Identifiers. These Ingress Queue IDs are packed three to |
| 788 | * a 32-bit word as 10-bit values with the upper remaining 2 bits |
| 789 | * reserved. |
| 790 | */ |
| 791 | while (n > 0) { |
| 792 | __be32 *qp = &cmd.iq0_to_iq2; |
| 793 | int nq = min(n, 32); |
| 794 | int ret; |
| 795 | |
| 796 | /* |
| 797 | * Set up the firmware RSS command header to send the next |
| 798 | * "nq" Ingress Queue IDs to the firmware. |
| 799 | */ |
| 800 | cmd.niqid = cpu_to_be16(nq); |
| 801 | cmd.startidx = cpu_to_be16(start); |
| 802 | |
| 803 | /* |
| 804 | * "nq" more done for the start of the next loop. |
| 805 | */ |
| 806 | start += nq; |
| 807 | n -= nq; |
| 808 | |
| 809 | /* |
| 810 | * While there are still Ingress Queue IDs to stuff into the |
| 811 | * current firmware RSS command, retrieve them from the |
| 812 | * Ingress Queue ID array and insert them into the command. |
| 813 | */ |
| 814 | while (nq > 0) { |
| 815 | /* |
| 816 | * Grab up to the next 3 Ingress Queue IDs (wrapping |
| 817 | * around the Ingress Queue ID array if necessary) and |
| 818 | * insert them into the firmware RSS command at the |
| 819 | * current 3-tuple position within the commad. |
| 820 | */ |
| 821 | u16 qbuf[3]; |
| 822 | u16 *qbp = qbuf; |
| 823 | int nqbuf = min(3, nq); |
| 824 | |
| 825 | nq -= nqbuf; |
| 826 | qbuf[0] = qbuf[1] = qbuf[2] = 0; |
| 827 | while (nqbuf) { |
| 828 | nqbuf--; |
| 829 | *qbp++ = *rsp++; |
| 830 | if (rsp >= rsp_end) |
| 831 | rsp = rspq; |
| 832 | } |
| 833 | *qp++ = cpu_to_be32(FW_RSS_IND_TBL_CMD_IQ0(qbuf[0]) | |
| 834 | FW_RSS_IND_TBL_CMD_IQ1(qbuf[1]) | |
| 835 | FW_RSS_IND_TBL_CMD_IQ2(qbuf[2])); |
| 836 | } |
| 837 | |
| 838 | /* |
| 839 | * Send this portion of the RRS table update to the firmware; |
| 840 | * bail out on any errors. |
| 841 | */ |
| 842 | ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 843 | if (ret) |
| 844 | return ret; |
| 845 | } |
| 846 | return 0; |
| 847 | } |
| 848 | |
| 849 | /** |
| 850 | * t4vf_alloc_vi - allocate a virtual interface on a port |
| 851 | * @adapter: the adapter |
| 852 | * @port_id: physical port associated with the VI |
| 853 | * |
| 854 | * Allocate a new Virtual Interface and bind it to the indicated |
| 855 | * physical port. Return the new Virtual Interface Identifier on |
| 856 | * success, or a [negative] error number on failure. |
| 857 | */ |
| 858 | int t4vf_alloc_vi(struct adapter *adapter, int port_id) |
| 859 | { |
| 860 | struct fw_vi_cmd cmd, rpl; |
| 861 | int v; |
| 862 | |
| 863 | /* |
| 864 | * Execute a VI command to allocate Virtual Interface and return its |
| 865 | * VIID. |
| 866 | */ |
| 867 | memset(&cmd, 0, sizeof(cmd)); |
| 868 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) | |
| 869 | FW_CMD_REQUEST | |
| 870 | FW_CMD_WRITE | |
| 871 | FW_CMD_EXEC); |
| 872 | cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) | |
| 873 | FW_VI_CMD_ALLOC); |
| 874 | cmd.portid_pkd = FW_VI_CMD_PORTID(port_id); |
| 875 | v = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 876 | if (v) |
| 877 | return v; |
| 878 | |
| 879 | return FW_VI_CMD_VIID_GET(be16_to_cpu(rpl.type_viid)); |
| 880 | } |
| 881 | |
| 882 | /** |
| 883 | * t4vf_free_vi -- free a virtual interface |
| 884 | * @adapter: the adapter |
| 885 | * @viid: the virtual interface identifier |
| 886 | * |
| 887 | * Free a previously allocated Virtual Interface. Return an error on |
| 888 | * failure. |
| 889 | */ |
| 890 | int t4vf_free_vi(struct adapter *adapter, int viid) |
| 891 | { |
| 892 | struct fw_vi_cmd cmd; |
| 893 | |
| 894 | /* |
| 895 | * Execute a VI command to free the Virtual Interface. |
| 896 | */ |
| 897 | memset(&cmd, 0, sizeof(cmd)); |
| 898 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_VI_CMD) | |
| 899 | FW_CMD_REQUEST | |
| 900 | FW_CMD_EXEC); |
| 901 | cmd.alloc_to_len16 = cpu_to_be32(FW_LEN16(cmd) | |
| 902 | FW_VI_CMD_FREE); |
| 903 | cmd.type_viid = cpu_to_be16(FW_VI_CMD_VIID(viid)); |
| 904 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 905 | } |
| 906 | |
| 907 | /** |
| 908 | * t4vf_enable_vi - enable/disable a virtual interface |
| 909 | * @adapter: the adapter |
| 910 | * @viid: the Virtual Interface ID |
| 911 | * @rx_en: 1=enable Rx, 0=disable Rx |
| 912 | * @tx_en: 1=enable Tx, 0=disable Tx |
| 913 | * |
| 914 | * Enables/disables a virtual interface. |
| 915 | */ |
| 916 | int t4vf_enable_vi(struct adapter *adapter, unsigned int viid, |
| 917 | bool rx_en, bool tx_en) |
| 918 | { |
| 919 | struct fw_vi_enable_cmd cmd; |
| 920 | |
| 921 | memset(&cmd, 0, sizeof(cmd)); |
| 922 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_ENABLE_CMD) | |
| 923 | FW_CMD_REQUEST | |
| 924 | FW_CMD_EXEC | |
| 925 | FW_VI_ENABLE_CMD_VIID(viid)); |
| 926 | cmd.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_IEN(rx_en) | |
| 927 | FW_VI_ENABLE_CMD_EEN(tx_en) | |
| 928 | FW_LEN16(cmd)); |
| 929 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 930 | } |
| 931 | |
| 932 | /** |
| 933 | * t4vf_identify_port - identify a VI's port by blinking its LED |
| 934 | * @adapter: the adapter |
| 935 | * @viid: the Virtual Interface ID |
| 936 | * @nblinks: how many times to blink LED at 2.5 Hz |
| 937 | * |
| 938 | * Identifies a VI's port by blinking its LED. |
| 939 | */ |
| 940 | int t4vf_identify_port(struct adapter *adapter, unsigned int viid, |
| 941 | unsigned int nblinks) |
| 942 | { |
| 943 | struct fw_vi_enable_cmd cmd; |
| 944 | |
| 945 | memset(&cmd, 0, sizeof(cmd)); |
| 946 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_ENABLE_CMD) | |
| 947 | FW_CMD_REQUEST | |
| 948 | FW_CMD_EXEC | |
| 949 | FW_VI_ENABLE_CMD_VIID(viid)); |
| 950 | cmd.ien_to_len16 = cpu_to_be32(FW_VI_ENABLE_CMD_LED | |
| 951 | FW_LEN16(cmd)); |
| 952 | cmd.blinkdur = cpu_to_be16(nblinks); |
| 953 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 954 | } |
| 955 | |
| 956 | /** |
| 957 | * t4vf_set_rxmode - set Rx properties of a virtual interface |
| 958 | * @adapter: the adapter |
| 959 | * @viid: the VI id |
| 960 | * @mtu: the new MTU or -1 for no change |
| 961 | * @promisc: 1 to enable promiscuous mode, 0 to disable it, -1 no change |
| 962 | * @all_multi: 1 to enable all-multi mode, 0 to disable it, -1 no change |
| 963 | * @bcast: 1 to enable broadcast Rx, 0 to disable it, -1 no change |
| 964 | * @vlanex: 1 to enable hardware VLAN Tag extraction, 0 to disable it, |
| 965 | * -1 no change |
| 966 | * |
| 967 | * Sets Rx properties of a virtual interface. |
| 968 | */ |
| 969 | int t4vf_set_rxmode(struct adapter *adapter, unsigned int viid, |
| 970 | int mtu, int promisc, int all_multi, int bcast, int vlanex, |
| 971 | bool sleep_ok) |
| 972 | { |
| 973 | struct fw_vi_rxmode_cmd cmd; |
| 974 | |
| 975 | /* convert to FW values */ |
| 976 | if (mtu < 0) |
| 977 | mtu = FW_VI_RXMODE_CMD_MTU_MASK; |
| 978 | if (promisc < 0) |
| 979 | promisc = FW_VI_RXMODE_CMD_PROMISCEN_MASK; |
| 980 | if (all_multi < 0) |
| 981 | all_multi = FW_VI_RXMODE_CMD_ALLMULTIEN_MASK; |
| 982 | if (bcast < 0) |
| 983 | bcast = FW_VI_RXMODE_CMD_BROADCASTEN_MASK; |
| 984 | if (vlanex < 0) |
| 985 | vlanex = FW_VI_RXMODE_CMD_VLANEXEN_MASK; |
| 986 | |
| 987 | memset(&cmd, 0, sizeof(cmd)); |
| 988 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_RXMODE_CMD) | |
| 989 | FW_CMD_REQUEST | |
| 990 | FW_CMD_WRITE | |
| 991 | FW_VI_RXMODE_CMD_VIID(viid)); |
| 992 | cmd.retval_len16 = cpu_to_be32(FW_LEN16(cmd)); |
| 993 | cmd.mtu_to_vlanexen = |
| 994 | cpu_to_be32(FW_VI_RXMODE_CMD_MTU(mtu) | |
| 995 | FW_VI_RXMODE_CMD_PROMISCEN(promisc) | |
| 996 | FW_VI_RXMODE_CMD_ALLMULTIEN(all_multi) | |
| 997 | FW_VI_RXMODE_CMD_BROADCASTEN(bcast) | |
| 998 | FW_VI_RXMODE_CMD_VLANEXEN(vlanex)); |
| 999 | return t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), NULL, sleep_ok); |
| 1000 | } |
| 1001 | |
| 1002 | /** |
| 1003 | * t4vf_alloc_mac_filt - allocates exact-match filters for MAC addresses |
| 1004 | * @adapter: the adapter |
| 1005 | * @viid: the Virtual Interface Identifier |
| 1006 | * @free: if true any existing filters for this VI id are first removed |
| 1007 | * @naddr: the number of MAC addresses to allocate filters for (up to 7) |
| 1008 | * @addr: the MAC address(es) |
| 1009 | * @idx: where to store the index of each allocated filter |
| 1010 | * @hash: pointer to hash address filter bitmap |
| 1011 | * @sleep_ok: call is allowed to sleep |
| 1012 | * |
| 1013 | * Allocates an exact-match filter for each of the supplied addresses and |
| 1014 | * sets it to the corresponding address. If @idx is not %NULL it should |
| 1015 | * have at least @naddr entries, each of which will be set to the index of |
| 1016 | * the filter allocated for the corresponding MAC address. If a filter |
| 1017 | * could not be allocated for an address its index is set to 0xffff. |
| 1018 | * If @hash is not %NULL addresses that fail to allocate an exact filter |
| 1019 | * are hashed and update the hash filter bitmap pointed at by @hash. |
| 1020 | * |
| 1021 | * Returns a negative error number or the number of filters allocated. |
| 1022 | */ |
| 1023 | int t4vf_alloc_mac_filt(struct adapter *adapter, unsigned int viid, bool free, |
| 1024 | unsigned int naddr, const u8 **addr, u16 *idx, |
| 1025 | u64 *hash, bool sleep_ok) |
| 1026 | { |
Casey Leedom | 42eb59d | 2010-11-24 12:23:57 +0000 | [diff] [blame] | 1027 | int offset, ret = 0; |
| 1028 | unsigned nfilters = 0; |
| 1029 | unsigned int rem = naddr; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1030 | struct fw_vi_mac_cmd cmd, rpl; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1031 | |
Casey Leedom | 42eb59d | 2010-11-24 12:23:57 +0000 | [diff] [blame] | 1032 | if (naddr > FW_CLS_TCAM_NUM_ENTRIES) |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1033 | return -EINVAL; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1034 | |
Casey Leedom | 42eb59d | 2010-11-24 12:23:57 +0000 | [diff] [blame] | 1035 | for (offset = 0; offset < naddr; /**/) { |
| 1036 | unsigned int fw_naddr = (rem < ARRAY_SIZE(cmd.u.exact) |
| 1037 | ? rem |
| 1038 | : ARRAY_SIZE(cmd.u.exact)); |
| 1039 | size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd, |
| 1040 | u.exact[fw_naddr]), 16); |
| 1041 | struct fw_vi_mac_exact *p; |
| 1042 | int i; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1043 | |
Casey Leedom | 42eb59d | 2010-11-24 12:23:57 +0000 | [diff] [blame] | 1044 | memset(&cmd, 0, sizeof(cmd)); |
| 1045 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD) | |
| 1046 | FW_CMD_REQUEST | |
| 1047 | FW_CMD_WRITE | |
| 1048 | (free ? FW_CMD_EXEC : 0) | |
| 1049 | FW_VI_MAC_CMD_VIID(viid)); |
| 1050 | cmd.freemacs_to_len16 = |
| 1051 | cpu_to_be32(FW_VI_MAC_CMD_FREEMACS(free) | |
| 1052 | FW_CMD_LEN16(len16)); |
| 1053 | |
| 1054 | for (i = 0, p = cmd.u.exact; i < fw_naddr; i++, p++) { |
| 1055 | p->valid_to_idx = cpu_to_be16( |
| 1056 | FW_VI_MAC_CMD_VALID | |
| 1057 | FW_VI_MAC_CMD_IDX(FW_VI_MAC_ADD_MAC)); |
| 1058 | memcpy(p->macaddr, addr[offset+i], sizeof(p->macaddr)); |
| 1059 | } |
| 1060 | |
| 1061 | |
| 1062 | ret = t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), &rpl, |
| 1063 | sleep_ok); |
| 1064 | if (ret && ret != -ENOMEM) |
| 1065 | break; |
| 1066 | |
| 1067 | for (i = 0, p = rpl.u.exact; i < fw_naddr; i++, p++) { |
| 1068 | u16 index = FW_VI_MAC_CMD_IDX_GET( |
| 1069 | be16_to_cpu(p->valid_to_idx)); |
| 1070 | |
| 1071 | if (idx) |
| 1072 | idx[offset+i] = |
| 1073 | (index >= FW_CLS_TCAM_NUM_ENTRIES |
| 1074 | ? 0xffff |
| 1075 | : index); |
| 1076 | if (index < FW_CLS_TCAM_NUM_ENTRIES) |
| 1077 | nfilters++; |
| 1078 | else if (hash) |
| 1079 | *hash |= (1ULL << hash_mac_addr(addr[offset+i])); |
| 1080 | } |
| 1081 | |
| 1082 | free = false; |
| 1083 | offset += fw_naddr; |
| 1084 | rem -= fw_naddr; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1085 | } |
| 1086 | |
Casey Leedom | 42eb59d | 2010-11-24 12:23:57 +0000 | [diff] [blame] | 1087 | /* |
| 1088 | * If there were no errors or we merely ran out of room in our MAC |
| 1089 | * address arena, return the number of filters actually written. |
| 1090 | */ |
| 1091 | if (ret == 0 || ret == -ENOMEM) |
| 1092 | ret = nfilters; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1093 | return ret; |
| 1094 | } |
| 1095 | |
| 1096 | /** |
| 1097 | * t4vf_change_mac - modifies the exact-match filter for a MAC address |
| 1098 | * @adapter: the adapter |
| 1099 | * @viid: the Virtual Interface ID |
| 1100 | * @idx: index of existing filter for old value of MAC address, or -1 |
| 1101 | * @addr: the new MAC address value |
| 1102 | * @persist: if idx < 0, the new MAC allocation should be persistent |
| 1103 | * |
| 1104 | * Modifies an exact-match filter and sets it to the new MAC address. |
| 1105 | * Note that in general it is not possible to modify the value of a given |
| 1106 | * filter so the generic way to modify an address filter is to free the |
| 1107 | * one being used by the old address value and allocate a new filter for |
| 1108 | * the new address value. @idx can be -1 if the address is a new |
| 1109 | * addition. |
| 1110 | * |
| 1111 | * Returns a negative error number or the index of the filter with the new |
| 1112 | * MAC value. |
| 1113 | */ |
| 1114 | int t4vf_change_mac(struct adapter *adapter, unsigned int viid, |
| 1115 | int idx, const u8 *addr, bool persist) |
| 1116 | { |
| 1117 | int ret; |
| 1118 | struct fw_vi_mac_cmd cmd, rpl; |
| 1119 | struct fw_vi_mac_exact *p = &cmd.u.exact[0]; |
| 1120 | size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd, |
| 1121 | u.exact[1]), 16); |
| 1122 | |
| 1123 | /* |
| 1124 | * If this is a new allocation, determine whether it should be |
| 1125 | * persistent (across a "freemacs" operation) or not. |
| 1126 | */ |
| 1127 | if (idx < 0) |
| 1128 | idx = persist ? FW_VI_MAC_ADD_PERSIST_MAC : FW_VI_MAC_ADD_MAC; |
| 1129 | |
| 1130 | memset(&cmd, 0, sizeof(cmd)); |
| 1131 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD) | |
| 1132 | FW_CMD_REQUEST | |
| 1133 | FW_CMD_WRITE | |
| 1134 | FW_VI_MAC_CMD_VIID(viid)); |
| 1135 | cmd.freemacs_to_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); |
| 1136 | p->valid_to_idx = cpu_to_be16(FW_VI_MAC_CMD_VALID | |
| 1137 | FW_VI_MAC_CMD_IDX(idx)); |
| 1138 | memcpy(p->macaddr, addr, sizeof(p->macaddr)); |
| 1139 | |
| 1140 | ret = t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), &rpl); |
| 1141 | if (ret == 0) { |
| 1142 | p = &rpl.u.exact[0]; |
| 1143 | ret = FW_VI_MAC_CMD_IDX_GET(be16_to_cpu(p->valid_to_idx)); |
| 1144 | if (ret >= FW_CLS_TCAM_NUM_ENTRIES) |
| 1145 | ret = -ENOMEM; |
| 1146 | } |
| 1147 | return ret; |
| 1148 | } |
| 1149 | |
| 1150 | /** |
| 1151 | * t4vf_set_addr_hash - program the MAC inexact-match hash filter |
| 1152 | * @adapter: the adapter |
| 1153 | * @viid: the Virtual Interface Identifier |
| 1154 | * @ucast: whether the hash filter should also match unicast addresses |
| 1155 | * @vec: the value to be written to the hash filter |
| 1156 | * @sleep_ok: call is allowed to sleep |
| 1157 | * |
| 1158 | * Sets the 64-bit inexact-match hash filter for a virtual interface. |
| 1159 | */ |
| 1160 | int t4vf_set_addr_hash(struct adapter *adapter, unsigned int viid, |
| 1161 | bool ucast, u64 vec, bool sleep_ok) |
| 1162 | { |
| 1163 | struct fw_vi_mac_cmd cmd; |
| 1164 | size_t len16 = DIV_ROUND_UP(offsetof(struct fw_vi_mac_cmd, |
| 1165 | u.exact[0]), 16); |
| 1166 | |
| 1167 | memset(&cmd, 0, sizeof(cmd)); |
| 1168 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_MAC_CMD) | |
| 1169 | FW_CMD_REQUEST | |
| 1170 | FW_CMD_WRITE | |
| 1171 | FW_VI_ENABLE_CMD_VIID(viid)); |
| 1172 | cmd.freemacs_to_len16 = cpu_to_be32(FW_VI_MAC_CMD_HASHVECEN | |
| 1173 | FW_VI_MAC_CMD_HASHUNIEN(ucast) | |
| 1174 | FW_CMD_LEN16(len16)); |
| 1175 | cmd.u.hash.hashvec = cpu_to_be64(vec); |
| 1176 | return t4vf_wr_mbox_core(adapter, &cmd, sizeof(cmd), NULL, sleep_ok); |
| 1177 | } |
| 1178 | |
| 1179 | /** |
| 1180 | * t4vf_get_port_stats - collect "port" statistics |
| 1181 | * @adapter: the adapter |
| 1182 | * @pidx: the port index |
| 1183 | * @s: the stats structure to fill |
| 1184 | * |
| 1185 | * Collect statistics for the "port"'s Virtual Interface. |
| 1186 | */ |
| 1187 | int t4vf_get_port_stats(struct adapter *adapter, int pidx, |
| 1188 | struct t4vf_port_stats *s) |
| 1189 | { |
| 1190 | struct port_info *pi = adap2pinfo(adapter, pidx); |
| 1191 | struct fw_vi_stats_vf fwstats; |
| 1192 | unsigned int rem = VI_VF_NUM_STATS; |
| 1193 | __be64 *fwsp = (__be64 *)&fwstats; |
| 1194 | |
| 1195 | /* |
| 1196 | * Grab the Virtual Interface statistics a chunk at a time via mailbox |
| 1197 | * commands. We could use a Work Request and get all of them at once |
| 1198 | * but that's an asynchronous interface which is awkward to use. |
| 1199 | */ |
| 1200 | while (rem) { |
| 1201 | unsigned int ix = VI_VF_NUM_STATS - rem; |
| 1202 | unsigned int nstats = min(6U, rem); |
| 1203 | struct fw_vi_stats_cmd cmd, rpl; |
| 1204 | size_t len = (offsetof(struct fw_vi_stats_cmd, u) + |
| 1205 | sizeof(struct fw_vi_stats_ctl)); |
| 1206 | size_t len16 = DIV_ROUND_UP(len, 16); |
| 1207 | int ret; |
| 1208 | |
| 1209 | memset(&cmd, 0, sizeof(cmd)); |
| 1210 | cmd.op_to_viid = cpu_to_be32(FW_CMD_OP(FW_VI_STATS_CMD) | |
| 1211 | FW_VI_STATS_CMD_VIID(pi->viid) | |
| 1212 | FW_CMD_REQUEST | |
| 1213 | FW_CMD_READ); |
| 1214 | cmd.retval_len16 = cpu_to_be32(FW_CMD_LEN16(len16)); |
| 1215 | cmd.u.ctl.nstats_ix = |
| 1216 | cpu_to_be16(FW_VI_STATS_CMD_IX(ix) | |
| 1217 | FW_VI_STATS_CMD_NSTATS(nstats)); |
| 1218 | ret = t4vf_wr_mbox_ns(adapter, &cmd, len, &rpl); |
| 1219 | if (ret) |
| 1220 | return ret; |
| 1221 | |
| 1222 | memcpy(fwsp, &rpl.u.ctl.stat0, sizeof(__be64) * nstats); |
| 1223 | |
| 1224 | rem -= nstats; |
| 1225 | fwsp += nstats; |
| 1226 | } |
| 1227 | |
| 1228 | /* |
| 1229 | * Translate firmware statistics into host native statistics. |
| 1230 | */ |
| 1231 | s->tx_bcast_bytes = be64_to_cpu(fwstats.tx_bcast_bytes); |
| 1232 | s->tx_bcast_frames = be64_to_cpu(fwstats.tx_bcast_frames); |
| 1233 | s->tx_mcast_bytes = be64_to_cpu(fwstats.tx_mcast_bytes); |
| 1234 | s->tx_mcast_frames = be64_to_cpu(fwstats.tx_mcast_frames); |
| 1235 | s->tx_ucast_bytes = be64_to_cpu(fwstats.tx_ucast_bytes); |
| 1236 | s->tx_ucast_frames = be64_to_cpu(fwstats.tx_ucast_frames); |
| 1237 | s->tx_drop_frames = be64_to_cpu(fwstats.tx_drop_frames); |
| 1238 | s->tx_offload_bytes = be64_to_cpu(fwstats.tx_offload_bytes); |
| 1239 | s->tx_offload_frames = be64_to_cpu(fwstats.tx_offload_frames); |
| 1240 | |
| 1241 | s->rx_bcast_bytes = be64_to_cpu(fwstats.rx_bcast_bytes); |
| 1242 | s->rx_bcast_frames = be64_to_cpu(fwstats.rx_bcast_frames); |
| 1243 | s->rx_mcast_bytes = be64_to_cpu(fwstats.rx_mcast_bytes); |
| 1244 | s->rx_mcast_frames = be64_to_cpu(fwstats.rx_mcast_frames); |
| 1245 | s->rx_ucast_bytes = be64_to_cpu(fwstats.rx_ucast_bytes); |
| 1246 | s->rx_ucast_frames = be64_to_cpu(fwstats.rx_ucast_frames); |
| 1247 | |
| 1248 | s->rx_err_frames = be64_to_cpu(fwstats.rx_err_frames); |
| 1249 | |
| 1250 | return 0; |
| 1251 | } |
| 1252 | |
| 1253 | /** |
| 1254 | * t4vf_iq_free - free an ingress queue and its free lists |
| 1255 | * @adapter: the adapter |
| 1256 | * @iqtype: the ingress queue type (FW_IQ_TYPE_FL_INT_CAP, etc.) |
| 1257 | * @iqid: ingress queue ID |
| 1258 | * @fl0id: FL0 queue ID or 0xffff if no attached FL0 |
| 1259 | * @fl1id: FL1 queue ID or 0xffff if no attached FL1 |
| 1260 | * |
| 1261 | * Frees an ingress queue and its associated free lists, if any. |
| 1262 | */ |
| 1263 | int t4vf_iq_free(struct adapter *adapter, unsigned int iqtype, |
| 1264 | unsigned int iqid, unsigned int fl0id, unsigned int fl1id) |
| 1265 | { |
| 1266 | struct fw_iq_cmd cmd; |
| 1267 | |
| 1268 | memset(&cmd, 0, sizeof(cmd)); |
| 1269 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_IQ_CMD) | |
| 1270 | FW_CMD_REQUEST | |
| 1271 | FW_CMD_EXEC); |
| 1272 | cmd.alloc_to_len16 = cpu_to_be32(FW_IQ_CMD_FREE | |
| 1273 | FW_LEN16(cmd)); |
| 1274 | cmd.type_to_iqandstindex = |
| 1275 | cpu_to_be32(FW_IQ_CMD_TYPE(iqtype)); |
| 1276 | |
| 1277 | cmd.iqid = cpu_to_be16(iqid); |
| 1278 | cmd.fl0id = cpu_to_be16(fl0id); |
| 1279 | cmd.fl1id = cpu_to_be16(fl1id); |
| 1280 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 1281 | } |
| 1282 | |
| 1283 | /** |
| 1284 | * t4vf_eth_eq_free - free an Ethernet egress queue |
| 1285 | * @adapter: the adapter |
| 1286 | * @eqid: egress queue ID |
| 1287 | * |
| 1288 | * Frees an Ethernet egress queue. |
| 1289 | */ |
| 1290 | int t4vf_eth_eq_free(struct adapter *adapter, unsigned int eqid) |
| 1291 | { |
| 1292 | struct fw_eq_eth_cmd cmd; |
| 1293 | |
| 1294 | memset(&cmd, 0, sizeof(cmd)); |
| 1295 | cmd.op_to_vfn = cpu_to_be32(FW_CMD_OP(FW_EQ_ETH_CMD) | |
| 1296 | FW_CMD_REQUEST | |
| 1297 | FW_CMD_EXEC); |
| 1298 | cmd.alloc_to_len16 = cpu_to_be32(FW_EQ_ETH_CMD_FREE | |
| 1299 | FW_LEN16(cmd)); |
| 1300 | cmd.eqid_pkd = cpu_to_be32(FW_EQ_ETH_CMD_EQID(eqid)); |
| 1301 | return t4vf_wr_mbox(adapter, &cmd, sizeof(cmd), NULL); |
| 1302 | } |
| 1303 | |
| 1304 | /** |
| 1305 | * t4vf_handle_fw_rpl - process a firmware reply message |
| 1306 | * @adapter: the adapter |
| 1307 | * @rpl: start of the firmware message |
| 1308 | * |
| 1309 | * Processes a firmware message, such as link state change messages. |
| 1310 | */ |
| 1311 | int t4vf_handle_fw_rpl(struct adapter *adapter, const __be64 *rpl) |
| 1312 | { |
Casey Leedom | caedda3 | 2010-11-11 09:30:40 +0000 | [diff] [blame] | 1313 | const struct fw_cmd_hdr *cmd_hdr = (const struct fw_cmd_hdr *)rpl; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1314 | u8 opcode = FW_CMD_OP_GET(be32_to_cpu(cmd_hdr->hi)); |
| 1315 | |
| 1316 | switch (opcode) { |
| 1317 | case FW_PORT_CMD: { |
| 1318 | /* |
| 1319 | * Link/module state change message. |
| 1320 | */ |
Casey Leedom | caedda3 | 2010-11-11 09:30:40 +0000 | [diff] [blame] | 1321 | const struct fw_port_cmd *port_cmd = |
| 1322 | (const struct fw_port_cmd *)rpl; |
Casey Leedom | 16f8bd4 | 2010-06-25 12:12:54 +0000 | [diff] [blame] | 1323 | u32 word; |
| 1324 | int action, port_id, link_ok, speed, fc, pidx; |
| 1325 | |
| 1326 | /* |
| 1327 | * Extract various fields from port status change message. |
| 1328 | */ |
| 1329 | action = FW_PORT_CMD_ACTION_GET( |
| 1330 | be32_to_cpu(port_cmd->action_to_len16)); |
| 1331 | if (action != FW_PORT_ACTION_GET_PORT_INFO) { |
| 1332 | dev_err(adapter->pdev_dev, |
| 1333 | "Unknown firmware PORT reply action %x\n", |
| 1334 | action); |
| 1335 | break; |
| 1336 | } |
| 1337 | |
| 1338 | port_id = FW_PORT_CMD_PORTID_GET( |
| 1339 | be32_to_cpu(port_cmd->op_to_portid)); |
| 1340 | |
| 1341 | word = be32_to_cpu(port_cmd->u.info.lstatus_to_modtype); |
| 1342 | link_ok = (word & FW_PORT_CMD_LSTATUS) != 0; |
| 1343 | speed = 0; |
| 1344 | fc = 0; |
| 1345 | if (word & FW_PORT_CMD_RXPAUSE) |
| 1346 | fc |= PAUSE_RX; |
| 1347 | if (word & FW_PORT_CMD_TXPAUSE) |
| 1348 | fc |= PAUSE_TX; |
| 1349 | if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_100M)) |
| 1350 | speed = SPEED_100; |
| 1351 | else if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_1G)) |
| 1352 | speed = SPEED_1000; |
| 1353 | else if (word & FW_PORT_CMD_LSPEED(FW_PORT_CAP_SPEED_10G)) |
| 1354 | speed = SPEED_10000; |
| 1355 | |
| 1356 | /* |
| 1357 | * Scan all of our "ports" (Virtual Interfaces) looking for |
| 1358 | * those bound to the physical port which has changed. If |
| 1359 | * our recorded state doesn't match the current state, |
| 1360 | * signal that change to the OS code. |
| 1361 | */ |
| 1362 | for_each_port(adapter, pidx) { |
| 1363 | struct port_info *pi = adap2pinfo(adapter, pidx); |
| 1364 | struct link_config *lc; |
| 1365 | |
| 1366 | if (pi->port_id != port_id) |
| 1367 | continue; |
| 1368 | |
| 1369 | lc = &pi->link_cfg; |
| 1370 | if (link_ok != lc->link_ok || speed != lc->speed || |
| 1371 | fc != lc->fc) { |
| 1372 | /* something changed */ |
| 1373 | lc->link_ok = link_ok; |
| 1374 | lc->speed = speed; |
| 1375 | lc->fc = fc; |
| 1376 | t4vf_os_link_changed(adapter, pidx, link_ok); |
| 1377 | } |
| 1378 | } |
| 1379 | break; |
| 1380 | } |
| 1381 | |
| 1382 | default: |
| 1383 | dev_err(adapter->pdev_dev, "Unknown firmware reply %X\n", |
| 1384 | opcode); |
| 1385 | } |
| 1386 | return 0; |
| 1387 | } |