main.c revision 9f2ad4fb52916e58a1b75e9a30f42638655932d3
12f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* 22f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * This file is part of wl12xx 32f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 42f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * Copyright (C) 2008-2009 Nokia Corporation 52f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 62f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * Contact: Kalle Valo <kalle.valo@nokia.com> 72f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 82f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * This program is free software; you can redistribute it and/or 92f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * modify it under the terms of the GNU General Public License 102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * version 2 as published by the Free Software Foundation. 112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * This program is distributed in the hope that it will be useful, but 132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * General Public License for more details. 162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * You should have received a copy of the GNU General Public License 182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * along with this program; if not, write to the Free Software 192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 02110-1301 USA 212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/module.h> 252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/interrupt.h> 262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/firmware.h> 272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/delay.h> 282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/irq.h> 292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/spi/spi.h> 302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/crc32.h> 312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/etherdevice.h> 322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/spi/wl12xx.h> 332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl12xx.h" 352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl12xx_80211.h" 362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "reg.h" 372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl1251.h" 382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "spi.h" 392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "event.h" 409f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen#include "wl1251_tx.h" 412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "rx.h" 422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "ps.h" 432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "init.h" 442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "debugfs.h" 452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_disable_interrupts(struct wl12xx *wl) 472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo disable_irq(wl->irq); 492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_power_off(struct wl12xx *wl) 522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(false); 542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_power_on(struct wl12xx *wl) 572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(true); 592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic irqreturn_t wl12xx_irq(int irq, void *cookie) 622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl; 642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_IRQ, "IRQ"); 662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = cookie; 682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo schedule_work(&wl->irq_work); 702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return IRQ_HANDLED; 722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_fetch_firmware(struct wl12xx *wl) 752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = request_firmware(&fw, wl->chip.fw_filename, &wl->spi->dev); 802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("could not get firmware: %d", ret); 832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 878bce6121706dd82c266c3f527e592abfb3e164d1Bob Copeland wl12xx_error("firmware size is not multiple of 32 bits: %zu", 882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw_len = fw->size; 942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = kmalloc(wl->fw_len, GFP_KERNEL); 952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->fw) { 972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("could not allocate memory for the firmware"); 982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->fw, fw->data, wl->fw_len); 1032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_fetch_nvs(struct wl12xx *wl) 1132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 1152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 1162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = request_firmware(&fw, wl->chip.nvs_filename, &wl->spi->dev); 1182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 1202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("could not get nvs file: %d", ret); 1212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 1258bce6121706dd82c266c3f527e592abfb3e164d1Bob Copeland wl12xx_error("nvs size is not multiple of 32 bits: %zu", 1262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 1272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 1282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs_len = fw->size; 1322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); 1332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->nvs) { 1352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("could not allocate memory for the nvs file"); 1362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 1372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->nvs, fw->data, wl->nvs_len); 1412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_fw_wakeup(struct wl12xx *wl) 1512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 elp_reg; 1532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo elp_reg = ELPCTRL_WAKE_UP; 1552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); 1562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo elp_reg = wl12xx_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); 1572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!(elp_reg & ELPCTRL_WLAN_READY)) { 1592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_warning("WLAN not ready"); 1602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_chip_wakeup(struct wl12xx *wl) 1642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 1662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_power_on(wl); 1682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo msleep(wl->chip.power_on_sleep); 1692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_spi_reset(wl); 1702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_spi_init(wl); 1712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We don't need a real memory partition here, because we only want 1732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * to use the registers at this point. */ 1742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_set_partition(wl, 1752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_BASE, 1782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_DOWN_SIZE); 1792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* ELP module wake up */ 1812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_fw_wakeup(wl); 1822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* whal_FwCtrl_BootSm() */ 1842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 0. read chip id from CHIP_ID */ 1862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->chip.id = wl12xx_reg_read32(wl, CHIP_ID_B); 1872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 1. check if chip id is valid */ 1892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (wl->chip.id) { 1912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG12: 1922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", 1932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->chip.id); 1942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl1251_setup(wl); 1962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 1982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1271_PG10: 19927797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho wl12xx_warning("chip id 0x%x (1271 PG10) support is obsolete", 20027797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho wl->chip.id); 20127797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho break; 20227797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho case CHIP_ID_1271_PG20: 20327797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho wl12xx_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", 20427797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho wl->chip.id); 20527797d68f70b28e77e6d183910dc7b3d7505105dLuciano Coelho break; 2062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG10: 2072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG11: 2082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 2092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("unsupported chip id: 0x%x", wl->chip.id); 2102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENODEV; 2112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->fw == NULL) { 2152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_fetch_firmware(wl); 2162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* No NVS from netlink, try to get it from the filesystem */ 2212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->nvs == NULL) { 2222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_fetch_nvs(wl); 2232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_filter_work(struct work_struct *work) 2322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 2332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = 2342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo container_of(work, struct wl12xx, filter_work); 2352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 2362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 2382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->state == WL12XX_STATE_OFF) 2402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_join(wl, wl->bss_type, 1, 100, 0); 2432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 2482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoint wl12xx_plt_start(struct wl12xx *wl) 2512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 2522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 2532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_notice("power up"); 2552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->state != WL12XX_STATE_OFF) { 2572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("cannot go into PLT state because not " 2582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo "in off state: %d", wl->state); 2592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EBUSY; 2602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state = WL12XX_STATE_PLT; 2632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_chip_wakeup(wl); 2652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_boot(wl); 2692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_notice("firmware booted in PLT mode (%s)", wl->chip.fw_ver); 2732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_plt_init(wl); 2752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 2792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoint wl12xx_plt_stop(struct wl12xx *wl) 2822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 2832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_notice("power down"); 2842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->state != WL12XX_STATE_PLT) { 2862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("cannot power down because not in PLT " 2872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo "state: %d", wl->state); 2882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EBUSY; 2892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_disable_interrupts(wl); 2922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_power_off(wl); 2932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state = WL12XX_STATE_OFF; 2952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 2972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 3012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 3022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 3032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 3052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3069f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 3079f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 3089f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 3099f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 3109f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 3112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo schedule_work(&wl->tx_work); 3122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 3152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 3162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 3172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (skb_queue_len(&wl->tx_queue) >= WL12XX_TX_QUEUE_MAX_LENGTH) { 3182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_stop_queues(wl->hw); 3192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: this is racy, the variable is not properly 3222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * protected. Maybe fix this by removing the stupid 3232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * variable altogether and checking the real queue state? 3242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 3252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 3262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return NETDEV_TX_OK; 3292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_start(struct ieee80211_hw *hw) 3322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 3332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 3342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 3352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 start"); 3372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->state != WL12XX_STATE_OFF) { 3412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("cannot start because not in off state: %d", 3422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 3432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 3442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_chip_wakeup(wl); 3482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 3502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_boot(wl); 3522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_hw_init(wl); 3562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_station_id(wl); 3602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state = WL12XX_STATE_ON; 3642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_info("firmware booted (%s)", wl->chip.fw_ver); 3662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 3682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_power_off(wl); 3702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 3742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_op_stop(struct ieee80211_hw *hw) 3772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 3782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 3792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_info("down"); 3812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 stop"); 3832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo WARN_ON(wl->state != WL12XX_STATE_ON); 3872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 3892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 3932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state = WL12XX_STATE_OFF; 3962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_disable_interrupts(wl); 3982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->irq_work); 4022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->tx_work); 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->filter_work); 4042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 4089f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen wl->chip.op_tx_flush(wl); 4092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_power_off(wl); 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 4122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 4142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 4162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 4172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 4182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 4192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 4212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 4222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 4232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 4242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = WL12XX_DEFAULT_POWER_LEVEL; 4252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debugfs_reset(wl); 4272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_add_interface(struct ieee80211_hw *hw, 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 4332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 4352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo DECLARE_MAC_BUF(mac); 4362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 4372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %s", 4392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->type, print_mac(mac, conf->mac_addr)); 4402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (conf->type) { 4442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 4452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 4462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 4472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 4482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 4492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (memcmp(wl->mac_addr, conf->mac_addr, ETH_ALEN)) { 4562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); 4572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 4582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_station_id(wl); 4592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_op_remove_interface(struct ieee80211_hw *hw, 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 4702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 remove interface"); 4722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_build_null_data(struct wl12xx *wl) 4752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_null_data_template template; 4772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!is_zero_ether_addr(wl->bssid)) { 4792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.da, wl->bssid, ETH_ALEN); 4802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.bssid, wl->bssid, ETH_ALEN); 4812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 4822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 4832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 4872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | 4882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_STYPE_NULLFUNC); 4892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return wl12xx_cmd_template_set(wl, CMD_NULL_DATA, &template, 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 4922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_build_ps_poll(struct wl12xx *wl, u16 aid) 4962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ps_poll_template template; 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.bssid, wl->bssid, ETH_ALEN); 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ta, wl->mac_addr, ETH_ALEN); 5012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.aid = aid; 5022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 5032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return wl12xx_cmd_template_set(wl, CMD_PS_POLL, &template, 5052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 5062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_config(struct ieee80211_hw *hw, u32 changed) 5102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 5122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 5132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 5142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 5162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 5182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 5192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 5202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 5212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 5232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 5252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: use beacon interval provided by mac80211 */ 5262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_join(wl, wl->bss_type, 1, 100, 0); 5272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->channel = channel; 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_build_null_data(wl); 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 5382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_info("psm enabled"); 5392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 5412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 5432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We enter PSM only if we're already associated. 5442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * If we're not, we'll enter it when joining an SSID, 5452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * through the bss_info_changed() hook. 5462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 5472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 5482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 5492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_info("psm disabled"); 5512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm) 5552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_ps_set_mode(wl, STATION_ACTIVE_MODE); 5562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 5592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_tx_power(wl, conf->power_level); 5602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 5642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 5672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#define WL12XX_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 5722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 5732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 5742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 5752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 5762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 5772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_op_configure_filter(struct ieee80211_hw *hw, 5792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 5802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int *total, 5812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int mc_count, 5822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct dev_addr_list *mc_list) 5832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 5852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 configure filter"); 5872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo *total &= WL12XX_SUPPORTED_FILTERS; 5892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo changed &= WL12XX_SUPPORTED_FILTERS; 5902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 5922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 5932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 5962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config = WL12XX_DEFAULT_RX_CONFIG; 5982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter = WL12XX_DEFAULT_RX_FILTER; 5992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 6012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 6032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 6052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 6072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 6082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 6092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 6102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 6112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 6122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 6132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 6142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 6172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 6182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 6192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 6202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 6232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 6242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 6252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 6262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 6272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 630ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valostatic int wl12xx_set_key_type(struct wl12xx *wl, 631ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct wl12xx_cmd_set_keys *key, 6322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 6332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 6342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 6352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 6362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (mac80211_key->alg) { 6372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_WEP: 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 6402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 6422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_TKIP: 6462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 6482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 6502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_CCMP: 6542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 6562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 6582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 6592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 6612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("Unknown key algo 0x%x", mac80211_key->alg); 6622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 6632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 6662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 6692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 6702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 6712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 6722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 6732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 674ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct wl12xx_cmd_set_keys *wl_cmd; 6752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 6762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 6772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 6792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 6802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 set key"); 6822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 683ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 684ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 685ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 686ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 687ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 6882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 6902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 6922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 6942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->alg, key->keyidx, key->keylen, key->flags); 6952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 6962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 697ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 698ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 699ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 700ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 701ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 702ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 7032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 7042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 7062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 707ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 7082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 710ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 7112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 7132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("Unsupported key cmd 0x%x", cmd); 7142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 717ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = wl12xx_set_key_type(wl, wl_cmd, cmd, key, addr); 7182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 7192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("Set KEY type failed"); 720ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out_unlock; 7212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 723ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 724ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 7252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 726ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 727ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 7282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 7302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 7312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 7322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 7332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 734ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 735ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 736ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 7372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 739ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 7402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 741ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 7422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 743ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 744ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 7452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 746ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl12xx_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 7472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 748ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = wl12xx_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 749ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 750ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl12xx_warning("could not set keys"); 751ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out_unlock; 7522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 754ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout_unlock: 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 756ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 757ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 758ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 759ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 7602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_build_basic_rates(char *rates) 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 7662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; 7682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; 7692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; 7702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; 7712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 7732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_build_extended_rates(char *rates) 7762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 7782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_6MB; 7802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_9MB; 7812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_12MB; 7822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_18MB; 7832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_24MB; 7842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_36MB; 7852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_48MB; 7862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_54MB; 7872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 7892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_build_probe_req(struct wl12xx *wl, u8 *ssid, size_t ssid_len) 7932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_probe_req_template template; 7952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ie_rates *rates; 7962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo char *ptr; 7972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 size; 7982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr = (char *)&template; 8002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size = sizeof(struct ieee80211_header); 8012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 8032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 8042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 8052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); 8062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* IEs */ 8082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* SSID */ 8092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.id = WLAN_EID_SSID; 8102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.len = ssid_len; 8112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ssid_len && ssid) 8122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ssid.ssid, ssid, ssid_len); 8132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + ssid_len; 8142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += size; 8152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Basic Rates */ 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 8182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_SUPP_RATES; 8192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.len = wl12xx_build_basic_rates(rates->rates); 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 8212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; 8222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Extended rates */ 8242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 8252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_EXT_SUPP_RATES; 8262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.len = wl12xx_build_extended_rates(rates->rates); 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 8282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); 8302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return wl12xx_cmd_template_set(wl, CMD_PROBE_REQ, &template, 8322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size); 8332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_hw_scan(struct wl12xx *wl, u8 *ssid, size_t len, 8362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 active_scan, u8 high_prio, u8 num_channels, 8372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 probe_requests) 8382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 839ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct wl12xx_cmd_trigger_scan_to *trigger = NULL; 840ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct cmd_scan *params = NULL; 8412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int i, ret; 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 scan_options = 0; 8432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) 8452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EINVAL; 8462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params = kzalloc(sizeof(*params), GFP_KERNEL); 8482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!params) 8492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 8502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); 8522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_filter_options = 8532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); 8542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* High priority scan */ 8562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!active_scan) 8572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PASSIVE; 8582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (high_prio) 8592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PRIORITY_HIGH; 8602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.scan_options = scan_options; 8612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_channels = num_channels; 8632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_probe_requests = probe_requests; 8642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ 8652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tid_trigger = 0; 8662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < num_channels; i++) { 8682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].min_duration = cpu_to_le32(30000); 8692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].max_duration = cpu_to_le32(60000); 8702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_lsb, 0xff, 4); 8712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_msb, 0xff, 2); 8722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].early_termination = 0; 8732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].tx_power_att = 0; 8742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].channel = i + 1; 8752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->channels[i].pad, 0, 3); 8762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = num_channels; i < SCAN_MAX_NUM_OF_CHANNELS; i++) 8792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i], 0, 8802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(struct basic_scan_channel_parameters)); 8812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (len && ssid) { 8832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = len; 8842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(params->params.ssid, ssid, len); 8852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 8862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = 0; 8872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->params.ssid, 0, 32); 8882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_build_probe_req(wl, ssid, len); 8912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 8922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("PROBE request template failed"); 8932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 896ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); 897ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!trigger) 898ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 899ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 900ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger->timeout = 0; 901ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 902ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = wl12xx_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, 903ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo sizeof(*trigger)); 9042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 905ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl12xx_error("trigger scan to failed for hw scan"); 9062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); 9102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = true; 9122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); 9142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 9152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("SCAN failed"); 9162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_spi_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); 9182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 919ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (params->header.status != CMD_STATUS_SUCCESS) { 9202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("TEST command answer error: %d", 921ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo params->header.status); 9222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 9232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EIO; 9242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 9282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(params); 9292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_hw_scan(struct ieee80211_hw *hw, 9342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 9352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 9362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 9372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 *ssid = NULL; 9392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 9402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 hw scan"); 9422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 9442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 9452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 9462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 9492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); 9502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 9512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 9562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 9572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 9582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_rts_threshold(wl, (u16) value); 9612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 9632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_warning("wl12xx_op_set_rts_threshold failed: %d", ret); 9642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void wl12xx_op_bss_info_changed(struct ieee80211_hw *hw, 9692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 9702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 9712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 9722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 973ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo enum wl12xx_cmd_ps_mode mode; 9742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = hw->priv; 9752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct sk_buff *beacon; 9762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 9792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 9812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 9832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 9842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->aid = bss_conf->aid; 9852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_build_ps_poll(wl, wl->aid); 9872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 9882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_aid(wl, wl->aid); 9912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 9922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* If we want to go in PSM but we're not there yet */ 9952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm_requested && !wl->psm) { 9962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mode = STATION_POWER_SAVE_MODE; 9972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_ps_set_mode(wl, mode); 9982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 9992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 10042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 10052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_slot(wl, SLOT_TIME_SHORT); 10062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 10072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_slot(wl, SLOT_TIME_LONG); 10082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_warning("Set slot time failed %d", ret); 10102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 10152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 10162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 10172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 10182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 10192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 10222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 10232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_cts_protect(wl, CTSPROTECT_ENABLE); 10242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 10252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_acx_cts_protect(wl, CTSPROTECT_DISABLE); 10262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_warning("Set ctsprotect failed %d", ret); 10282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BSSID) { 10332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 10342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_build_null_data(wl); 10362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 10402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_join(wl, wl->bss_type, 5, 100, 1); 10412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 10472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_template_set(wl, CMD_BEACON, beacon->data, 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 10572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_cmd_join(wl, wl->bss_type, 1, 100, 0); 10652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 10712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 10722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 10762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic struct ieee80211_rate wl12xx_rates[] = { 10772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 10782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 10792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 10802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 10812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 10822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 10832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 10852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 10862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 10872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 10902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 10912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 10942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 10972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 10982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 10992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 11002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 11012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 11022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 11032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 11042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 11062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 11072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 11082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 11092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 11112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 11122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 11132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 11142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 11152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 11162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 11192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic struct ieee80211_channel wl12xx_channels[] = { 11202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 11212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 11232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 11252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 11262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 11292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 11302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 11312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 11322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 11332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 11362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic struct ieee80211_supported_band wl12xx_band_2ghz = { 11372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .channels = wl12xx_channels, 11382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .n_channels = ARRAY_SIZE(wl12xx_channels), 11392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .bitrates = wl12xx_rates, 11402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .n_bitrates = ARRAY_SIZE(wl12xx_rates), 11412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic const struct ieee80211_ops wl12xx_ops = { 11442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .start = wl12xx_op_start, 11452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .stop = wl12xx_op_stop, 11462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .add_interface = wl12xx_op_add_interface, 11472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .remove_interface = wl12xx_op_remove_interface, 11482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .config = wl12xx_op_config, 11492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .configure_filter = wl12xx_op_configure_filter, 11502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .tx = wl12xx_op_tx, 11512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .set_key = wl12xx_op_set_key, 11522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_scan = wl12xx_op_hw_scan, 11532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .bss_info_changed = wl12xx_op_bss_info_changed, 11542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .set_rts_threshold = wl12xx_op_set_rts_threshold, 11552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_register_hw(struct wl12xx *wl) 11582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 11602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 11622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 11652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 11672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 11682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("unable to register mac80211 hw: %d", ret); 11692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 11702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 11732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_notice("loaded"); 11752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int wl12xx_init_ieee80211(struct wl12xx *wl) 11802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 11822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 11839f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 11842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 11862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 11872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 11882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 11902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_HW_NOISE_DBM; 11912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 11932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 11942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl12xx_band_2ghz; 11952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); 11972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 12002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#define WL12XX_DEFAULT_CHANNEL 1 12022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int __devinit wl12xx_probe(struct spi_device *spi) 12032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 12042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_platform_data *pdata; 12052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 12062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl; 12072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret, i; 12082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 12092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo pdata = spi->dev.platform_data; 12112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!pdata) { 12122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("no platform data"); 12132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENODEV; 12142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl12xx_ops); 12172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 12182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("could not alloc ieee80211_hw"); 12192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 12202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 12232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 12242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 12262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_set_drvdata(&spi->dev, wl); 12272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->spi = spi; 12282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 12302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 12322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo INIT_WORK(&wl->filter_work, wl12xx_filter_work); 12342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->channel = WL12XX_DEFAULT_CHANNEL; 12352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 12362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 12372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 12382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 12392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 12402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 12412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 12422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config = WL12XX_DEFAULT_RX_CONFIG; 12432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter = WL12XX_DEFAULT_RX_FILTER; 12442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 12452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 12462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 12472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 12482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = WL12XX_DEFAULT_POWER_LEVEL; 12492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We use the default power on sleep time until we know which chip 12512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we're using */ 12522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->chip.power_on_sleep = WL12XX_DEFAULT_POWER_ON_SLEEP; 12532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 12552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 12562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 12582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 12602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 12612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 12622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 12632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 12642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 12652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state = WL12XX_STATE_OFF; 12672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 12682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 12702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 12712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12724721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 12734721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 12744721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl12xx_error("could not allocate memory for rx descriptor"); 12754721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo ret = -ENOMEM; 12764721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo goto out_free; 12774721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 12784721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 12792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* This is the only SPI value that we need to set here, the rest 12802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * comes from the board-peripherals file */ 12812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo spi->bits_per_word = 32; 12822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = spi_setup(spi); 12842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 12852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("spi_setup failed"); 12862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_free; 12872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power = pdata->set_power; 12902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->set_power) { 12912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("set power function missing in platform data"); 1292c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo ret = -ENODEV; 1293c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo goto out_free; 12942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->irq = spi->irq; 12972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->irq < 0) { 12982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("irq missing in platform data"); 1299c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo ret = -ENODEV; 1300c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo goto out_free; 13012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = request_irq(wl->irq, wl12xx_irq, 0, DRIVER_NAME, wl); 13042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 13052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("request_irq() failed: %d", ret); 13062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_free; 13072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); 13102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo disable_irq(wl->irq); 13122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_init_ieee80211(wl); 13142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret) 13152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_irq; 13162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl12xx_register_hw(wl); 13182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret) 13192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_irq; 13202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debugfs_init(wl); 13222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_notice("initialized"); 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo out_irq: 13282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo free_irq(wl->irq, wl); 13292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo out_free: 13314721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13324721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13334721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(hw); 13352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int __devexit wl12xx_remove(struct spi_device *spi) 13402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx *wl = dev_get_drvdata(&spi->dev); 13422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 13442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_debugfs_exit(wl); 13462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo free_irq(wl->irq, wl); 13482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 13492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 13502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->fw); 13512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 13522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 13532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 13544721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13554721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13564721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13574721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 13592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic struct spi_driver wl12xx_spi_driver = { 13652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .driver = { 13662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .name = "wl12xx", 13672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .bus = &spi_bus_type, 13682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .owner = THIS_MODULE, 13692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo }, 13702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .probe = wl12xx_probe, 13722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .remove = __devexit_p(wl12xx_remove), 13732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 13742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic int __init wl12xx_init(void) 13762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 13782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = spi_register_driver(&wl12xx_spi_driver); 13802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 13812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_error("failed to register spi driver: %d", ret); 13822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 13832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 13862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valostatic void __exit wl12xx_exit(void) 13902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo spi_unregister_driver(&wl12xx_spi_driver); 13922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl12xx_notice("unloaded"); 13942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valomodule_init(wl12xx_init); 13972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valomodule_exit(wl12xx_exit); 13982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle ValoMODULE_LICENSE("GPL"); 14002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle ValoMODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>, " 14012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo "Luciano Coelho <luciano.coelho@nokia.com>"); 1402