main.c revision 08d9f57251841e4870cfd286e867ffcbef81d9a4
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); 17108d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland wl->if_ops->reset(wl); 1722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We don't need a real memory partition here, because we only want 1742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * to use the registers at this point. */ 17580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_set_partition(wl, 1762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_BASE, 1792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_DOWN_SIZE); 1802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* ELP module wake up */ 18280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_fw_wakeup(wl); 1832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* whal_FwCtrl_BootSm() */ 1852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 0. read chip id from CHIP_ID */ 18780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->chip.id = wl1251_reg_read32(wl, CHIP_ID_B); 1882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 1. check if chip id is valid */ 1902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (wl->chip.id) { 1922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG12: 19380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", 1942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->chip.id); 1952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl1251_setup(wl); 1972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 1992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG10: 2002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG11: 2012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 20280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unsupported chip id: 0x%x", wl->chip.id); 2032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENODEV; 2042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->fw == NULL) { 20880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_firmware(wl); 2092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* No NVS from netlink, try to get it from the filesystem */ 2142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->nvs == NULL) { 21580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_nvs(wl); 2162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 22480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_filter_work(struct work_struct *work) 2252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 22680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = 22780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo container_of(work, struct wl1251, filter_work); 2282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 2292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 2312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 23280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state == WL1251_STATE_OFF) 2332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 23580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 236c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 237c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 23801d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 23977cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen /* FIXME: replace the magic numbers with proper definitions */ 24077cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen ret = wl->chip.op_cmd_join(wl, wl->bss_type, 1, 100, 0); 2412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 242c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 2432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 244c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 24580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 246c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 247c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 2482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 2492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 25180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 25380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 2542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 2562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2579f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 2589f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 2599f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 2609f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 2619f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 2622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo schedule_work(&wl->tx_work); 2632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 2652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 2662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 2672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 26880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) { 2692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_stop_queues(wl->hw); 2702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 2722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: this is racy, the variable is not properly 2732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * protected. Maybe fix this by removing the stupid 2742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * variable altogether and checking the real queue state? 2752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 2762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 2772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return NETDEV_TX_OK; 2802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 28280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_start(struct ieee80211_hw *hw) 2832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 28480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 2852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 2862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 28780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 start"); 2882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 2902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 29180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state != WL1251_STATE_OFF) { 29280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("cannot start because not in off state: %d", 2932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 2942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 2952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 29880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_chip_wakeup(wl); 2992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 300fe643414dbf330d6d910e01edd48dd93dc6f2942Jiri Slaby goto out; 3012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_boot(wl); 3032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = wl->chip.op_hw_init(wl); 3072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 31080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 3112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 31480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_ON; 3152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 31680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("firmware booted (%s)", wl->chip.fw_ver); 3172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 3192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 32080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 3212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 3252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 32780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_stop(struct ieee80211_hw *hw) 3282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 32980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("down"); 3322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); 3342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo WARN_ON(wl->state != WL1251_STATE_ON); 3382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 3402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 3422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 3442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 34680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 3472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 34880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_disable_interrupts(wl); 3492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->irq_work); 3532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->tx_work); 3542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->filter_work); 3552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 3599f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen wl->chip.op_tx_flush(wl); 36080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 3612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 3632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 3642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 3652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 3672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 3682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 3692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 3702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 3712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 3722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 3732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 3742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 37580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 3762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_reset(wl); 3782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 38280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_add_interface(struct ieee80211_hw *hw, 3832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 3842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 38580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 3872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 388e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", 389e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg conf->type, conf->mac_addr); 3902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (conf->type) { 3942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 3952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 3962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 3972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 3982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 3992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 4002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 4022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (memcmp(wl->mac_addr, conf->mac_addr, ETH_ALEN)) { 4062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); 4072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 40880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 4092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_remove_interface(struct ieee80211_hw *hw, 4192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 42180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); 4222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_null_data(struct wl1251 *wl) 4252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_null_data_template template; 4272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!is_zero_ether_addr(wl->bssid)) { 4292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.da, wl->bssid, ETH_ALEN); 4302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.bssid, wl->bssid, ETH_ALEN); 4312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 4332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 4342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 4372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | 4382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_STYPE_NULLFUNC); 4392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 44080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template, 4412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 4422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 44580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid) 4462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 4472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ps_poll_template template; 4482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.bssid, wl->bssid, ETH_ALEN); 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ta, wl->mac_addr, ETH_ALEN); 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.aid = aid; 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template, 4552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 4562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) 4602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 46180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 4632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 4642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 4662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 4682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 4702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 4712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 475c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 476c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 47701d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 4782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 4792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: use beacon interval provided by mac80211 */ 48077cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen ret = wl->chip.op_cmd_join(wl, wl->bss_type, 1, 100, 0); 4812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 482c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 4832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->channel = channel; 4852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 48780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 4882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 489c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 4902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 49247af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled"); 4932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We enter PSM only if we're already associated. 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * If we're not, we'll enter it when joining an SSID, 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * through the bss_info_changed() hook. 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 50180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 5022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 5032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 50447af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled"); 5052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 5072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm) 50980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 5102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 51380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_tx_power(wl, conf->power_level); 5142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 5182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 520c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 52180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 522c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 523c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 5242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 525c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 5262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 52980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 5302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 5322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 5332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 53680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_configure_filter(struct ieee80211_hw *hw, 5372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 5382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int *total, 5392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int mc_count, 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct dev_addr_list *mc_list) 5412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 54280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 54480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); 5452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 54680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo *total &= WL1251_SUPPORTED_FILTERS; 54780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo changed &= WL1251_SUPPORTED_FILTERS; 5482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 5512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 5522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 5542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 55680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 5572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 5592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 5602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 5612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 5632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 5642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 5652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 5662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 5672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 5682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 5692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 5702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 5712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 5722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 5732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 5752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 5762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 5772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 5782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 5802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 5812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 5822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 5832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 5842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 5852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 58880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_set_key_type(struct wl1251 *wl, 58980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *key, 5902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 5912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 5922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 5932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (mac80211_key->alg) { 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_WEP: 5962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 5972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 5982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 5992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 6002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_TKIP: 6042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 6062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 6082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_CCMP: 6122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 6142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 6162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 6172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 61980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unknown key algo 0x%x", mac80211_key->alg); 6202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 6212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 6242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 62680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 6272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 6282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 6292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 6302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 63180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 63280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *wl_cmd; 6332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 6342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 6352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 6372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 63980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); 6402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 641ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 642ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 643ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 644ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 645ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 6462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 6482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 64980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 65080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 65180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 6522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->alg, key->keyidx, key->keylen, key->flags); 65380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 6542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 655ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 656ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 657ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 658ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 659ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 660ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 6612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 6622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 66380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 664c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 665c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_unlock; 66601d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 6672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 6682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 669ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 6702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 672ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 6732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 67580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unsupported key cmd 0x%x", cmd); 6762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 67980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); 6802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 68180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Set KEY type failed"); 682c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 6832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 685ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 686ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 6872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 688ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 689ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 6902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 6922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 6942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 6952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 696ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 697ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 698ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 6992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 701ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 7022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 703ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 7042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 705ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 706ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 7072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 70880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 7092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 71080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 711ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 71280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("could not set keys"); 713c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 7142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 716c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 71780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 718c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 719c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_unlock: 7202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 721ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 722ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 723ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 724ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 7252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 7262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 72880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_basic_rates(char *rates) 7292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 7312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; 7332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; 7342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; 7352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; 7362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 7382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 74080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_extended_rates(char *rates) 7412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 7432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_6MB; 7452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_9MB; 7462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_12MB; 7472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_18MB; 7482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_24MB; 7492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_36MB; 7502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_48MB; 7512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_54MB; 7522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 7542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 75780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_probe_req(struct wl1251 *wl, u8 *ssid, size_t ssid_len) 7582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_probe_req_template template; 7602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ie_rates *rates; 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo char *ptr; 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 size; 7632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr = (char *)&template; 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size = sizeof(struct ieee80211_header); 7662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 7682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 7692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 7702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); 7712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* IEs */ 7732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* SSID */ 7742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.id = WLAN_EID_SSID; 7752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.len = ssid_len; 7762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ssid_len && ssid) 7772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ssid.ssid, ssid, ssid_len); 7782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + ssid_len; 7792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += size; 7802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Basic Rates */ 7822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 7832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_SUPP_RATES; 78480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_basic_rates(rates->rates); 7852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 7862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; 7872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Extended rates */ 7892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 7902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_EXT_SUPP_RATES; 79180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_extended_rates(rates->rates); 7922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 7932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); 7952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PROBE_REQ, &template, 7972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size); 7982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 80080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_hw_scan(struct wl1251 *wl, u8 *ssid, size_t len, 8012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 active_scan, u8 high_prio, u8 num_channels, 8022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 probe_requests) 8032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 80480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_trigger_scan_to *trigger = NULL; 805ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct cmd_scan *params = NULL; 8062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int i, ret; 8072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 scan_options = 0; 8082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) 8102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EINVAL; 8112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params = kzalloc(sizeof(*params), GFP_KERNEL); 8132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!params) 8142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 8152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_filter_options = 8182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); 8192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* High priority scan */ 8212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!active_scan) 8222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PASSIVE; 8232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (high_prio) 8242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PRIORITY_HIGH; 8252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.scan_options = scan_options; 8262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_channels = num_channels; 8282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_probe_requests = probe_requests; 8292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ 8302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tid_trigger = 0; 8312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < num_channels; i++) { 8332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].min_duration = cpu_to_le32(30000); 8342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].max_duration = cpu_to_le32(60000); 8352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_lsb, 0xff, 4); 8362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_msb, 0xff, 2); 8372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].early_termination = 0; 8382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].tx_power_att = 0; 8392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].channel = i + 1; 8402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->channels[i].pad, 0, 3); 8412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = num_channels; i < SCAN_MAX_NUM_OF_CHANNELS; i++) 8442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i], 0, 8452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(struct basic_scan_channel_parameters)); 8462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (len && ssid) { 8482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = len; 8492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(params->params.ssid, ssid, len); 8502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 8512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = 0; 8522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->params.ssid, 0, 32); 8532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 85580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_probe_req(wl, ssid, len); 8562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 85780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("PROBE request template failed"); 8582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 861ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); 862ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!trigger) 863ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 864ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 865ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger->timeout = 0; 866ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 86780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, 868ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo sizeof(*trigger)); 8692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 87080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("trigger scan to failed for hw scan"); 8712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 87480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); 8752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = true; 8772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 87880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); 8792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 88080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("SCAN failed"); 8812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8820764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland wl1251_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); 8832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 884ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (params->header.status != CMD_STATUS_SUCCESS) { 88580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("TEST command answer error: %d", 886ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo params->header.status); 8872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 8882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EIO; 8892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 8902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 8932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(params); 8942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 8952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 89880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_hw_scan(struct ieee80211_hw *hw, 8992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 9002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 90180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 *ssid = NULL; 9042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 9052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 90680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); 9072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 9092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 9102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 9112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 914c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 91580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 916c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 917c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 91801d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 91980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); 92001d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 92180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 922c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 923c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 9242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 9252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 92980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 9302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 93180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 934cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_lock(&wl->mutex); 935cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 93680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 937c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 938c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 93901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 94080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_rts_threshold(wl, (u16) value); 9412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 94280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); 9432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 94480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 94501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 946c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 947cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_unlock(&wl->mutex); 948cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 9492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 95280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, 9532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 9542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 9552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 9562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 95780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo enum wl1251_cmd_ps_mode mode; 95880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct sk_buff *beacon; 9602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 9632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 9652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 967c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 968c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 96901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 9702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 9712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 9722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->aid = bss_conf->aid; 9732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 97480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_ps_poll(wl, wl->aid); 9752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 976c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 97880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_aid(wl, wl->aid); 9792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 980c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* If we want to go in PSM but we're not there yet */ 9832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm_requested && !wl->psm) { 9842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mode = STATION_POWER_SAVE_MODE; 98580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, mode); 9862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 987c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 9922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 99380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); 9942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 99580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); 9962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 99780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set slot time failed %d", ret); 998c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 10032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 100480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 10052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 100680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 10072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 10102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 101180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); 10122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 101380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); 10142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 101580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 101680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out; 10172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BSSID) { 10212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 10222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 102380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 10242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 102880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_join(wl, wl->bss_type, 5, 100, 1); 10292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 103080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 103180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 103280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 10332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 10372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 103880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, 10392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 104680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 10472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 105477cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen ret = wl->chip.op_cmd_join(wl, wl->bss_type, 1, 100, 0); 10552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 10572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1060c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 106180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1062c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1063c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 10642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 10652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 106980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_rate wl1251_rates[] = { 10702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 10712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 10722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 10732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 10742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 10752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 10762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 10782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 10792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 10802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 10822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 10832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 10842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 10862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 10872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 10882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 10902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 10912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 10922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 10942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 10972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 10982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 10992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 11002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 11012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 11022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 11032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 11042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 11062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 11072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 11082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 11092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 111280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_channel wl1251_channels[] = { 11132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 11142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 11152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 11162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 11182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 11192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 11202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 11212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 11232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 11252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 11262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 112980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_supported_band wl1251_band_2ghz = { 113080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .channels = wl1251_channels, 113180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_channels = ARRAY_SIZE(wl1251_channels), 113280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bitrates = wl1251_rates, 113380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_bitrates = ARRAY_SIZE(wl1251_rates), 11342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 113680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic const struct ieee80211_ops wl1251_ops = { 113780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .start = wl1251_op_start, 113880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .stop = wl1251_op_stop, 113980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .add_interface = wl1251_op_add_interface, 114080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove_interface = wl1251_op_remove_interface, 114180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .config = wl1251_op_config, 114280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .configure_filter = wl1251_op_configure_filter, 114380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .tx = wl1251_op_tx, 114480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_key = wl1251_op_set_key, 114580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .hw_scan = wl1251_op_hw_scan, 114680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bss_info_changed = wl1251_op_bss_info_changed, 114780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_rts_threshold = wl1251_op_set_rts_threshold, 11482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 115080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_register_hw(struct wl1251 *wl) 11512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 11532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 11552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 11582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 11602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 116180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unable to register mac80211 hw: %d", ret); 11622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 11632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 11662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 116780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("loaded"); 11682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 117280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_init_ieee80211(struct wl1251 *wl) 11732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 11752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 11769f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 11772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 11792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 11802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 11812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 11832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_HW_NOISE_DBM; 11842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 11862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 118780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; 11882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_DEV(wl->hw, &wl->spi->dev); 11902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 11922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 119408d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copelandextern struct wl1251_if_operations wl1251_spi_ops; 119508d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland 119680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_DEFAULT_CHANNEL 1 119780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int __devinit wl1251_probe(struct spi_device *spi) 11982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 11992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_platform_data *pdata; 12002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 120180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 12022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret, i; 12032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 12042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo pdata = spi->dev.platform_data; 12062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!pdata) { 120780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("no platform data"); 12082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENODEV; 12092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 121180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); 12122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 121380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not alloc ieee80211_hw"); 12142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 12152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 12182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 12192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 12212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_set_drvdata(&spi->dev, wl); 12222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->spi = spi; 122308d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland wl->if_ops = &wl1251_spi_ops; 12242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 12262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 12282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 122980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo INIT_WORK(&wl->filter_work, wl1251_filter_work); 123080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 12312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 12322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 12332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 12342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 12352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 12362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 12372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 123880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 123980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 12402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 12412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 12422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 12432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 124480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 12452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We use the default power on sleep time until we know which chip 12472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we're using */ 124880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->chip.power_on_sleep = WL1251_DEFAULT_POWER_ON_SLEEP; 12492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 12512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 12522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 12542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 12562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 12572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 12582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 12592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 12602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 12612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 126280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 12632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 12642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 12662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 12672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12684721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 12694721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 127080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for rx descriptor"); 12714721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo ret = -ENOMEM; 12724721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo goto out_free; 12734721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 12744721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 12752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* This is the only SPI value that we need to set here, the rest 12762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * comes from the board-peripherals file */ 12772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo spi->bits_per_word = 32; 12782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = spi_setup(spi); 12802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 128180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("spi_setup failed"); 12822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_free; 12832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power = pdata->set_power; 12862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->set_power) { 128780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("set power function missing in platform data"); 1288c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo ret = -ENODEV; 1289c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo goto out_free; 12902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->irq = spi->irq; 12932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->irq < 0) { 129480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("irq missing in platform data"); 1295c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo ret = -ENODEV; 1296c4f5c8521868789caaf704c9c2d523b40ccfcb02Kalle Valo goto out_free; 12972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 129980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = request_irq(wl->irq, wl1251_irq, 0, DRIVER_NAME, wl); 13002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 130180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("request_irq() failed: %d", ret); 13022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_free; 13032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo set_irq_type(wl->irq, IRQ_TYPE_EDGE_RISING); 13062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo disable_irq(wl->irq); 13082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 130980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_init_ieee80211(wl); 13102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret) 13112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_irq; 13122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_register_hw(wl); 13142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret) 13152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out_irq; 13162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_init(wl); 13182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("initialized"); 13202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo out_irq: 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo free_irq(wl->irq, wl); 13252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo out_free: 13274721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13284721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13294721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(hw); 13312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 133580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int __devexit wl1251_remove(struct spi_device *spi) 13362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 133780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = dev_get_drvdata(&spi->dev); 13382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 13402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 134180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_exit(wl); 13422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo free_irq(wl->irq, wl); 13442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 13452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 13462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->fw); 13472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 13482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 13492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 13504721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13514721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13524721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13534721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 13552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 136080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct spi_driver wl1251_spi_driver = { 13612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .driver = { 136280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo /* FIXME: use wl12xx name to not break the user space */ 13632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .name = "wl12xx", 13642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .bus = &spi_bus_type, 13652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .owner = THIS_MODULE, 13662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo }, 13672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 136880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .probe = wl1251_probe, 136980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove = __devexit_p(wl1251_remove), 13702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 13712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 137280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int __init wl1251_init(void) 13732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 13752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 137680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = spi_register_driver(&wl1251_spi_driver); 13772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 137880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("failed to register spi driver: %d", ret); 13792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 13802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 13832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 138680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void __exit wl1251_exit(void) 13872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 138880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo spi_unregister_driver(&wl1251_spi_driver); 13892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 139080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("unloaded"); 13912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 139380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valomodule_init(wl1251_init); 139480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valomodule_exit(wl1251_exit); 13952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle ValoMODULE_LICENSE("GPL"); 13972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle ValoMODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>, " 13982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo "Luciano Coelho <luciano.coelho@nokia.com>"); 1399