main.c revision 6c766f413c81d5a11588552934fa093eab6ae06e
12f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* 280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo * This file is part of wl1251 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 341367411858d5fc60b632a3f488f2b4adc73d12d7Kalle Valo#include "wl1251.h" 352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl12xx_80211.h" 362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "reg.h" 37e6f0b5c2993609c576a0c45e86f7e5b6dd0ae421Kalle Valo#include "wl1251_ops.h" 380764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland#include "wl1251_io.h" 39ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_spi.h" 40ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_event.h" 419f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen#include "wl1251_tx.h" 42ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_rx.h" 43ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_ps.h" 44ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_init.h" 45ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_debugfs.h" 462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_disable_interrupts(struct wl1251 *wl) 482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo disable_irq(wl->irq); 502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_off(struct wl1251 *wl) 532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(false); 552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_on(struct wl1251 *wl) 582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(true); 602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic irqreturn_t wl1251_irq(int irq, void *cookie) 632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 6480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_IRQ, "IRQ"); 672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = cookie; 692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo schedule_work(&wl->irq_work); 712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return IRQ_HANDLED; 732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_firmware(struct wl1251 *wl) 762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 786c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 816c766f413c81d5a11588552934fa093eab6ae06eBob Copeland ret = request_firmware(&fw, wl->chip.fw_filename, dev); 822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 8480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get firmware: %d", ret); 852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 8980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("firmware size is not multiple of 32 bits: %zu", 902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw_len = fw->size; 962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = kmalloc(wl->fw_len, GFP_KERNEL); 972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->fw) { 9980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the firmware"); 1002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 1012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->fw, fw->data, wl->fw_len); 1052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_nvs(struct wl1251 *wl) 1152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 1176c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 1182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 1192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1206c766f413c81d5a11588552934fa093eab6ae06eBob Copeland ret = request_firmware(&fw, wl->chip.nvs_filename, dev); 1212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 12380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get nvs file: %d", ret); 1242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 12880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("nvs size is not multiple of 32 bits: %zu", 1292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 1302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 1312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs_len = fw->size; 1352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); 1362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->nvs) { 13880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the nvs file"); 1392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 1402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->nvs, fw->data, wl->nvs_len); 1442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_fw_wakeup(struct wl1251 *wl) 1542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 elp_reg; 1562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo elp_reg = ELPCTRL_WAKE_UP; 15880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); 15980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); 1602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 16105fac682c2ca0c572d1bd8e6a38025838ddf0e68Kalle Valo if (!(elp_reg & ELPCTRL_WLAN_READY)) 16280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("WLAN not ready"); 1632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 16580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_chip_wakeup(struct wl1251 *wl) 1662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 1682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 16980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_on(wl); 1702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo msleep(wl->chip.power_on_sleep); 17180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_spi_reset(wl); 17280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_spi_init(wl); 1732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We don't need a real memory partition here, because we only want 1752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * to use the registers at this point. */ 17680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_set_partition(wl, 1772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_BASE, 1802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_DOWN_SIZE); 1812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* ELP module wake up */ 18380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_fw_wakeup(wl); 1842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* whal_FwCtrl_BootSm() */ 1862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 0. read chip id from CHIP_ID */ 18880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->chip.id = wl1251_reg_read32(wl, CHIP_ID_B); 1892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 1. check if chip id is valid */ 1912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (wl->chip.id) { 1932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG12: 19480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", 1952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->chip.id); 1962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl1251_setup(wl); 1982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 2002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG10: 2012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG11: 2022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 20380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unsupported chip id: 0x%x", wl->chip.id); 2042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENODEV; 2052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->fw == NULL) { 20980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_firmware(wl); 2102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* No NVS from netlink, try to get it from the filesystem */ 2152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->nvs == NULL) { 21680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_nvs(wl); 2172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 22580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_filter_work(struct work_struct *work) 2262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 22780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = 22880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo container_of(work, struct wl1251, filter_work); 2292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 2302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 2322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 23380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state == WL1251_STATE_OFF) 2342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 23680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 237c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 238c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 23901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 24077cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen /* FIXME: replace the magic numbers with proper definitions */ 24177cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen ret = wl->chip.op_cmd_join(wl, wl->bss_type, 1, 100, 0); 2422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 243c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 2442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 245c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 24680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 247c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 248c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 2492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 2502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 25280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 25480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 2552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 2572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2589f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 2599f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 2609f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 2619f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 2629f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 2632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo schedule_work(&wl->tx_work); 2642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 2662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 2672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 2682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 26980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) { 2702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_stop_queues(wl->hw); 2712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 2732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: this is racy, the variable is not properly 2742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * protected. Maybe fix this by removing the stupid 2752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * variable altogether and checking the real queue state? 2762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 2772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 2782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return NETDEV_TX_OK; 2812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 28380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_start(struct ieee80211_hw *hw) 2842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 28580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 2862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 2872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 28880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 start"); 2892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 2912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 29280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state != WL1251_STATE_OFF) { 29380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("cannot start because not in off state: %d", 2942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 2952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 2962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 29980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_chip_wakeup(wl); 3002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 301fe643414dbf330d6d910e01edd48dd93dc6f2942Jiri Slaby goto out; 3022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_boot(wl); 3042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_hw_init(wl); 3082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 31180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 3122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 31580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_ON; 3162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 31780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("firmware booted (%s)", wl->chip.fw_ver); 3182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 3202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 32180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 3222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 3262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 32880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_stop(struct ieee80211_hw *hw) 3292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 33080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("down"); 3332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); 3352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo WARN_ON(wl->state != WL1251_STATE_ON); 3392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 3412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 3432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 3452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 34780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 3482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 34980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_disable_interrupts(wl); 3502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->irq_work); 3542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->tx_work); 3552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->filter_work); 3562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 3609f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen wl->chip.op_tx_flush(wl); 36180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 3622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 3642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 3652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 3662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 3682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 3692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 3702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 3712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 3722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 3732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 3742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 3752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 37680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 3772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_reset(wl); 3792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 38380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_add_interface(struct ieee80211_hw *hw, 3842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 3852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 38680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 3882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 389e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", 390e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg conf->type, conf->mac_addr); 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (conf->type) { 3952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 3962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 3972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 3982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 3992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 4002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 4022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (memcmp(wl->mac_addr, conf->mac_addr, ETH_ALEN)) { 4072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); 4082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 40980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_remove_interface(struct ieee80211_hw *hw, 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 4212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 42280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); 4232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_null_data(struct wl1251 *wl) 4262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_null_data_template template; 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!is_zero_ether_addr(wl->bssid)) { 4302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.da, wl->bssid, ETH_ALEN); 4312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.bssid, wl->bssid, ETH_ALEN); 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 4332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 4342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 4352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 4382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | 4392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_STYPE_NULLFUNC); 4402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 44180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template, 4422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 4432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 44680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid) 4472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ps_poll_template template; 4492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.bssid, wl->bssid, ETH_ALEN); 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ta, wl->mac_addr, ETH_ALEN); 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.aid = aid; 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 4542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template, 4562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 4572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) 4612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 46280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 4642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 4652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 4672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 4702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 4712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 4722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 476c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 477c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 47801d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 4792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 4802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: use beacon interval provided by mac80211 */ 48177cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen ret = wl->chip.op_cmd_join(wl, wl->bss_type, 1, 100, 0); 4822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 483c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->channel = channel; 4862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 48880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 4892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 490c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 49347af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled"); 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 4962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We enter PSM only if we're already associated. 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * If we're not, we'll enter it when joining an SSID, 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * through the bss_info_changed() hook. 5012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 50280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 5032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 5042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 50547af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled"); 5062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm) 51080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 51480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_tx_power(wl, conf->power_level); 5152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 5192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 521c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 52280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 523c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 524c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 5252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 526c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 5272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 53080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 5322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 5332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 5362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 53780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_configure_filter(struct ieee80211_hw *hw, 5382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 5392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int *total, 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int mc_count, 5412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct dev_addr_list *mc_list) 5422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 54380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 54580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); 5462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 54780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo *total &= WL1251_SUPPORTED_FILTERS; 54880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo changed &= WL1251_SUPPORTED_FILTERS; 5492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 5512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 5522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 5552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 55780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 5582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 5602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 5612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 5622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 5642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 5652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 5662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 5672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 5682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 5692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 5702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 5712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 5722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 5732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 5742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 5762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 5772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 5782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 5792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 5812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 5822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 5832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 5842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 5852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 5862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 58980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_set_key_type(struct wl1251 *wl, 59080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *key, 5912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 5922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 5932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (mac80211_key->alg) { 5962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_WEP: 5972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 5982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 5992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 6012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_TKIP: 6052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 6072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 6092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_CCMP: 6132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 6172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 6182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 62080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unknown key algo 0x%x", mac80211_key->alg); 6212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 6222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 6252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 62780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 6282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 6292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 6302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 6312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 63280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 63380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *wl_cmd; 6342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 6352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 6362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 6392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 64080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); 6412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 642ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 643ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 644ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 645ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 646ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 6472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 6492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 65080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 65180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 65280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 6532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->alg, key->keyidx, key->keylen, key->flags); 65480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 6552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 656ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 657ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 658ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 659ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 660ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 661ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 6622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 6632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 66480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 665c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 666c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_unlock; 66701d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 6682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 6692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 670ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 6712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 673ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 6742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 67680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unsupported key cmd 0x%x", cmd); 6772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 68080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); 6812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 68280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Set KEY type failed"); 683c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 6842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 686ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 687ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 6882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 689ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 690ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 6942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 6952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 6962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 697ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 698ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 699ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 7002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 702ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 7032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 704ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 7052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 706ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 707ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 7082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 70980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 7102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 71180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 712ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 71380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("could not set keys"); 714c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 7152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 717c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 71880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 719c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 720c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_unlock: 7212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 722ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 723ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 724ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 725ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 7262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 7272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 72980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_basic_rates(char *rates) 7302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 7322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; 7342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; 7352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; 7362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; 7372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 7392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 74180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_extended_rates(char *rates) 7422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 7442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_6MB; 7462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_9MB; 7472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_12MB; 7482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_18MB; 7492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_24MB; 7502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_36MB; 7512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_48MB; 7522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_54MB; 7532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 75880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_probe_req(struct wl1251 *wl, u8 *ssid, size_t ssid_len) 7592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_probe_req_template template; 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ie_rates *rates; 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo char *ptr; 7632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 size; 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr = (char *)&template; 7662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size = sizeof(struct ieee80211_header); 7672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 7692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 7702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 7712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); 7722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* IEs */ 7742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* SSID */ 7752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.id = WLAN_EID_SSID; 7762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.len = ssid_len; 7772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ssid_len && ssid) 7782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ssid.ssid, ssid, ssid_len); 7792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + ssid_len; 7802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += size; 7812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Basic Rates */ 7832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 7842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_SUPP_RATES; 78580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_basic_rates(rates->rates); 7862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 7872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; 7882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Extended rates */ 7902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 7912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_EXT_SUPP_RATES; 79280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_extended_rates(rates->rates); 7932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 7942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); 7962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PROBE_REQ, &template, 7982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size); 7992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 80180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_hw_scan(struct wl1251 *wl, u8 *ssid, size_t len, 8022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 active_scan, u8 high_prio, u8 num_channels, 8032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 probe_requests) 8042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 80580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_trigger_scan_to *trigger = NULL; 806ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct cmd_scan *params = NULL; 8072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int i, ret; 8082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 scan_options = 0; 8092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) 8112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EINVAL; 8122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params = kzalloc(sizeof(*params), GFP_KERNEL); 8142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!params) 8152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 8162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); 8182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_filter_options = 8192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* High priority scan */ 8222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!active_scan) 8232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PASSIVE; 8242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (high_prio) 8252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PRIORITY_HIGH; 8262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.scan_options = scan_options; 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_channels = num_channels; 8292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_probe_requests = probe_requests; 8302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ 8312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tid_trigger = 0; 8322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < num_channels; i++) { 8342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].min_duration = cpu_to_le32(30000); 8352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].max_duration = cpu_to_le32(60000); 8362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_lsb, 0xff, 4); 8372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_msb, 0xff, 2); 8382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].early_termination = 0; 8392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].tx_power_att = 0; 8402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].channel = i + 1; 8412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->channels[i].pad, 0, 3); 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = num_channels; i < SCAN_MAX_NUM_OF_CHANNELS; i++) 8452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i], 0, 8462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(struct basic_scan_channel_parameters)); 8472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (len && ssid) { 8492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = len; 8502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(params->params.ssid, ssid, len); 8512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 8522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = 0; 8532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->params.ssid, 0, 32); 8542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 85680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_probe_req(wl, ssid, len); 8572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 85880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("PROBE request template failed"); 8592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 862ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); 863ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!trigger) 864ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 865ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 866ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger->timeout = 0; 867ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 86880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, 869ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo sizeof(*trigger)); 8702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 87180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("trigger scan to failed for hw scan"); 8722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 87580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); 8762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = true; 8782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 87980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); 8802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 88180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("SCAN failed"); 8822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8830764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland wl1251_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); 8842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 885ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (params->header.status != CMD_STATUS_SUCCESS) { 88680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("TEST command answer error: %d", 887ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo params->header.status); 8882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 8892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EIO; 8902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 8942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(params); 8952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 8962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 89980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_hw_scan(struct ieee80211_hw *hw, 9002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 9012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 90280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 *ssid = NULL; 9052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 9062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 90780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); 9082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 9102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 9112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 9122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 915c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 91680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 917c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 918c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 91901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 92080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); 92101d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 92280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 923c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 924c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 9252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 9262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 93080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 9312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 93280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 935cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_lock(&wl->mutex); 936cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 93780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 938c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 939c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 94001d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 94180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_rts_threshold(wl, (u16) value); 9422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 94380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); 9442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 94580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 94601d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 947c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 948cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_unlock(&wl->mutex); 949cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 9502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 95380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, 9542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 9552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 9562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 9572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 95880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo enum wl1251_cmd_ps_mode mode; 95980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct sk_buff *beacon; 9612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 9642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 9662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 968c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 969c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 97001d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 9712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 9722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 9732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->aid = bss_conf->aid; 9742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 97580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_ps_poll(wl, wl->aid); 9762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 977c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 97980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_aid(wl, wl->aid); 9802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 981c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* If we want to go in PSM but we're not there yet */ 9842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm_requested && !wl->psm) { 9852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mode = STATION_POWER_SAVE_MODE; 98680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, mode); 9872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 988c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 9932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 99480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); 9952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 99680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); 9972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 99880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set slot time failed %d", ret); 999c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 10042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 100580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 10062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 100780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 10082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 10112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 101280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); 10132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 101480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); 10152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 101680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 101780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out; 10182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BSSID) { 10222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 10232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 102480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 10252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 102980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_join(wl, wl->bss_type, 5, 100, 1); 10302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 103180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 103280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 103380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 10342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 10382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 103980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, 10402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 104780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 105577cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen ret = wl->chip.op_cmd_join(wl, wl->bss_type, 1, 100, 0); 10562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1061c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 106280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1063c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1064c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 10652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 10662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 107080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_rate wl1251_rates[] = { 10712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 10722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 10732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 10742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 10752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 10762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 10772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 10792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 10802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 10812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 10832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 10842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 10852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 10872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 10882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 10902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 10912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 10922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 10942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 10972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 10982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 10992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 11002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 11012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 11022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 11032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 11042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 11062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 11072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 11082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 11092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 111380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_channel wl1251_channels[] = { 11142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 11152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 11162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 11182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 11192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 11202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 11212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 11232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 11252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 11262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 113080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_supported_band wl1251_band_2ghz = { 113180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .channels = wl1251_channels, 113280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_channels = ARRAY_SIZE(wl1251_channels), 113380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bitrates = wl1251_rates, 113480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_bitrates = ARRAY_SIZE(wl1251_rates), 11352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 113780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic const struct ieee80211_ops wl1251_ops = { 113880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .start = wl1251_op_start, 113980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .stop = wl1251_op_stop, 114080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .add_interface = wl1251_op_add_interface, 114180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove_interface = wl1251_op_remove_interface, 114280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .config = wl1251_op_config, 114380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .configure_filter = wl1251_op_configure_filter, 114480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .tx = wl1251_op_tx, 114580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_key = wl1251_op_set_key, 114680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .hw_scan = wl1251_op_hw_scan, 114780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bss_info_changed = wl1251_op_bss_info_changed, 114880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_rts_threshold = wl1251_op_set_rts_threshold, 11492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 115180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_register_hw(struct wl1251 *wl) 11522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 11542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 11562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 11592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 11612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 116280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unable to register mac80211 hw: %d", ret); 11632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 11642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 11672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 116880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("loaded"); 11692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 117380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_init_ieee80211(struct wl1251 *wl) 11742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 11762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 11779f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 11782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 11802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 11812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 11822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 11842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_HW_NOISE_DBM; 11852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 11872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 118880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; 11892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); 11912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 119580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_DEFAULT_CHANNEL 1 119680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int __devinit wl1251_probe(struct spi_device *spi) 11972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_platform_data *pdata; 11992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 120080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 12012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret, i; 12022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 12032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo pdata = spi->dev.platform_data; 12052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!pdata) { 120680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("no platform data"); 12072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENODEV; 12082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 121080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); 12112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 121280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not alloc ieee80211_hw"); 12132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 12142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 12172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 12182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 12202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_set_drvdata(&spi->dev, wl); 12212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->spi = spi; 12222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 12242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 12262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 122780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo INIT_WORK(&wl->filter_work, wl1251_filter_work); 122880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 12292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 12302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 12312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 12322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 12332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 12342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 12352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 123680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 123780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 12382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 12392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 12402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 12412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 124280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 12432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We use the default power on sleep time until we know which chip 12452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we're using */ 124680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->chip.power_on_sleep = WL1251_DEFAULT_POWER_ON_SLEEP; 12472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 12492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 12502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 12522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 12542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 12552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 12562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 12572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 12582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 12592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 126080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 12612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 12622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 12642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 12652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12664721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 12674721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 126880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for rx descriptor"); 12694721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo ret = -ENOMEM; 12704721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo goto out_free; 12714721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 12724721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 12732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* This is the only SPI value that we need to set here, the rest 12742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * comes from the board-peripherals file */ 12752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo spi->bits_per_word = 32; 12762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = spi_setup(spi); 12782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 127980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("spi_setup failed"); 12802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_free; 12812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power = pdata->set_power; 12842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->set_power) { 128580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("set power function missing in platform data"); 1286c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo ret = -ENODEV; 1287c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo goto out_free; 12882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->irq = spi->irq; 12912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->irq < 0) { 129280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("irq missing in platform data"); 1293c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo ret = -ENODEV; 1294c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo goto out_free; 12952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 129780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl); 12982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 129980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("request_irq() failed: %d", ret); 13002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_free; 13012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); 13042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo disable_irq(wl->irq); 13062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 130780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_init_ieee80211(wl); 13082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret) 13092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_irq; 13102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_register_hw(wl); 13122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret) 13132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_irq; 13142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_init(wl); 13162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("initialized"); 13182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo out_irq: 13222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo free_irq(wl->irq, wl); 13232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo out_free: 13254721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13264721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13274721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(hw); 13292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 133380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int __devexit wl1251_remove(struct spi_device *spi) 13342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 133580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = dev_get_drvdata(&spi->dev); 13362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 13382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 133980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_exit(wl); 13402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo free_irq(wl->irq, wl); 13422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 13442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->fw); 13452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 13462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 13472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 13484721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13494721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13504721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13514721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 13532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 135880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct spi_driver wl1251_spi_driver = { 13592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .driver = { 136080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo /* FIXME: use wl12xx name to not break the user space */ 13612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .name = "wl12xx", 13622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .bus = &spi_bus_type, 13632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .owner = THIS_MODULE, 13642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo }, 13652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 136680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .probe = wl1251_probe, 136780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove = __devexit_p(wl1251_remove), 13682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 13692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 137080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int __init wl1251_init(void) 13712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 13732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 137480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = spi_register_driver(&wl1251_spi_driver); 13752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 137680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("failed to register spi driver: %d", ret); 13772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 13782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 13812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 138480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void __exit wl1251_exit(void) 13852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 138680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo spi_unregister_driver(&wl1251_spi_driver); 13872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 138880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("unloaded"); 13892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 139180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valomodule_init(wl1251_init); 139280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valomodule_exit(wl1251_exit); 13932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle ValoMODULE_LICENSE("GPL"); 13952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle ValoMODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>, " 13962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo "Luciano Coelho <luciano.coelho@nokia.com>"); 1397