main.c revision 0e71bb084adc4986b9a4be3581897f0ee703cbd5
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/crc32.h> 302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/etherdevice.h> 312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 321367411858d5fc60b632a3f488f2b4adc73d12d7Kalle Valo#include "wl1251.h" 332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl12xx_80211.h" 342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "reg.h" 350764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland#include "wl1251_io.h" 368e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland#include "wl1251_cmd.h" 37ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_event.h" 389f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen#include "wl1251_tx.h" 39ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_rx.h" 40ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_ps.h" 41ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_init.h" 42ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_debugfs.h" 430e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo#include "wl1251_boot.h" 442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copelandvoid wl1251_enable_interrupts(struct wl1251 *wl) 462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 47b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland wl->if_ops->enable_irq(wl); 48b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland} 49b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland 50b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copelandvoid wl1251_disable_interrupts(struct wl1251 *wl) 51b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland{ 52b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland wl->if_ops->disable_irq(wl); 532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_off(struct wl1251 *wl) 562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(false); 582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_on(struct wl1251 *wl) 612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(true); 632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_firmware(struct wl1251 *wl) 662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 686c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 710e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_FW_NAME, dev); 722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 7480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get firmware: %d", ret); 752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 7980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("firmware size is not multiple of 32 bits: %zu", 802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw_len = fw->size; 862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = kmalloc(wl->fw_len, GFP_KERNEL); 872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->fw) { 8980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the firmware"); 902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->fw, fw->data, wl->fw_len); 952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_nvs(struct wl1251 *wl) 1052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 1076c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 1082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 1092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1100e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_NVS_NAME, dev); 1112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 11380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get nvs file: %d", ret); 1142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 11880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("nvs size is not multiple of 32 bits: %zu", 1192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 1202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 1212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs_len = fw->size; 1252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); 1262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->nvs) { 12880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the nvs file"); 1292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 1302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->nvs, fw->data, wl->nvs_len); 1342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_fw_wakeup(struct wl1251 *wl) 1442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 elp_reg; 1462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo elp_reg = ELPCTRL_WAKE_UP; 14880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); 14980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); 1502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15105fac682c2ca0c572d1bd8e6a38025838ddf0e68Kalle Valo if (!(elp_reg & ELPCTRL_WLAN_READY)) 15280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("WLAN not ready"); 1532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_chip_wakeup(struct wl1251 *wl) 1562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 1582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_on(wl); 1600e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo msleep(WL1251_POWER_ON_SLEEP); 16108d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland wl->if_ops->reset(wl); 1622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We don't need a real memory partition here, because we only want 1642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * to use the registers at this point. */ 16580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_set_partition(wl, 1662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_BASE, 1692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_DOWN_SIZE); 1702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* ELP module wake up */ 17280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_fw_wakeup(wl); 1732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* whal_FwCtrl_BootSm() */ 1752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 0. read chip id from CHIP_ID */ 1770e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B); 1782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 1. check if chip id is valid */ 1802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1810e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo switch (wl->chip_id) { 1822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG12: 18380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", 1840e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->chip_id); 1852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 1862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG10: 1872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG11: 1882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 1890e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_error("unsupported chip id: 0x%x", wl->chip_id); 1902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENODEV; 1912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->fw == NULL) { 19580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_firmware(wl); 1962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* No NVS from netlink, try to get it from the filesystem */ 2012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->nvs == NULL) { 20280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_nvs(wl); 2032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2110e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valostatic void wl1251_irq_work(struct work_struct *work) 2120e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo{ 2130e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo u32 intr; 2140e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo struct wl1251 *wl = 2150e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo container_of(work, struct wl1251, irq_work); 2160e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo int ret; 2170e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2180e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_lock(&wl->mutex); 2190e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "IRQ work"); 2210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2220e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (wl->state == WL1251_STATE_OFF) 2230e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out; 2240e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2250e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 2260e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (ret < 0) 2270e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out; 2280e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2290e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); 2300e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2310e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); 2320e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr); 2330e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2340e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (wl->data_path) { 2350e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->rx_counter = 2360e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_mem_read32(wl, wl->data_path->rx_control_addr); 2370e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2380e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo /* We handle a frmware bug here */ 2390e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo switch ((wl->rx_counter - wl->rx_handled) & 0xf) { 2400e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo case 0: 2410e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "RX: FW and host in sync"); 2420e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr &= ~WL1251_ACX_INTR_RX0_DATA; 2430e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr &= ~WL1251_ACX_INTR_RX1_DATA; 2440e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo break; 2450e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo case 1: 2460e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "RX: FW +1"); 2470e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr |= WL1251_ACX_INTR_RX0_DATA; 2480e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr &= ~WL1251_ACX_INTR_RX1_DATA; 2490e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo break; 2500e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo case 2: 2510e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "RX: FW +2"); 2520e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr |= WL1251_ACX_INTR_RX0_DATA; 2530e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr |= WL1251_ACX_INTR_RX1_DATA; 2540e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo break; 2550e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo default: 2560e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_warning("RX: FW and host out of sync: %d", 2570e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->rx_counter - wl->rx_handled); 2580e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo break; 2590e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2600e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2610e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->rx_handled = wl->rx_counter; 2620e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2630e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2640e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "RX counter: %d", wl->rx_counter); 2650e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2660e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2670e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr &= wl->intr_mask; 2680e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2690e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr == 0) { 2700e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "INTR is 0"); 2710e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, 2720e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ~(wl->intr_mask)); 2730e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2740e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out_sleep; 2750e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2760e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2770e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr & WL1251_ACX_INTR_RX0_DATA) { 2780e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); 2790e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_rx(wl); 2800e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2810e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2820e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr & WL1251_ACX_INTR_RX1_DATA) { 2830e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); 2840e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_rx(wl); 2850e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2860e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2870e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr & WL1251_ACX_INTR_TX_RESULT) { 2880e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); 2890e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_tx_complete(wl); 2900e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2910e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2920e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr & (WL1251_ACX_INTR_EVENT_A | WL1251_ACX_INTR_EVENT_B)) { 2930e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", intr); 2940e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr & WL1251_ACX_INTR_EVENT_A) 2950e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_event_handle(wl, 0); 2960e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo else 2970e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_event_handle(wl, 1); 2980e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2990e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3000e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (intr & WL1251_ACX_INTR_INIT_COMPLETE) 3010e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_INIT_COMPLETE"); 3020e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3030e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); 3040e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3050e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout_sleep: 3060e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_ps_elp_sleep(wl); 3070e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3080e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout: 3090e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_unlock(&wl->mutex); 3100e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo} 3110e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 31280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_filter_work(struct work_struct *work) 3132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 31480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = 31580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo container_of(work, struct wl1251, filter_work); 3162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 3172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 32080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state == WL1251_STATE_OFF) 3212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 32380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 324c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 325c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 32601d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 32777cc9e43cee58303893f3a4fb8eaa2a3288c9c17Juuso Oikarinen /* FIXME: replace the magic numbers with proper definitions */ 3280e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_cmd_join(wl, wl->bss_type, 1, 100, 0); 3292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 330c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 3312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 332c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 33380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 334c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 335c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 3362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 33980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 3402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 34180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 3442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3459f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 3469f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 3479f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 3489f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 3499f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 3502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo schedule_work(&wl->tx_work); 3512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 3542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 3552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 35680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) { 3572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_stop_queues(wl->hw); 3582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: this is racy, the variable is not properly 3612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * protected. Maybe fix this by removing the stupid 3622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * variable altogether and checking the real queue state? 3632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 3642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 3652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return NETDEV_TX_OK; 3682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_start(struct ieee80211_hw *hw) 3712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 37280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 3742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 start"); 3762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state != WL1251_STATE_OFF) { 38080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("cannot start because not in off state: %d", 3812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 3822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 3832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 3852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 38680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_chip_wakeup(wl); 3872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 388fe643414dbf330d6d910e01edd48dd93dc6f2942Jiri Slaby goto out; 3892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3900e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_boot(wl); 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3940e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_hw_init(wl); 3952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 3962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 39880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 3992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 40280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_ON; 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4040e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_info("firmware booted (%s)", wl->fw_ver); 4052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 40880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_stop(struct ieee80211_hw *hw) 4162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 41780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("down"); 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); 4222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo WARN_ON(wl->state != WL1251_STATE_ON); 4262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 4302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 4352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_disable_interrupts(wl); 4372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->irq_work); 4412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->tx_work); 4422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->filter_work); 4432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 4470e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_tx_flush(wl); 44880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 4552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 4562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 4572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 4582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 4592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 4602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 4612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 4622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 46380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 4642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_reset(wl); 4662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_add_interface(struct ieee80211_hw *hw, 4712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 4722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 47380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 4752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 476e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", 477e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg conf->type, conf->mac_addr); 4782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (conf->type) { 4822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 4832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 4852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 4862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 4872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 4882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 4892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 4902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (memcmp(wl->mac_addr, conf->mac_addr, ETH_ALEN)) { 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 49680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 5022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 50680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_remove_interface(struct ieee80211_hw *hw, 5072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 50980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); 5102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 51280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_null_data(struct wl1251 *wl) 5132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_null_data_template template; 5152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!is_zero_ether_addr(wl->bssid)) { 5172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.da, wl->bssid, ETH_ALEN); 5182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.bssid, wl->bssid, ETH_ALEN); 5192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 5202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 5212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 5222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 5252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | 5262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_STYPE_NULLFUNC); 5272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 52880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template, 5292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 5302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 53380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid) 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ps_poll_template template; 5362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.bssid, wl->bssid, ETH_ALEN); 5382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ta, wl->mac_addr, ETH_ALEN); 5392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.aid = aid; 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 5412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 54280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template, 5432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 5442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 54780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) 5482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 54980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 5512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 5522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 5542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 5562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 5572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 5582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 5592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 5612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 56280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 563c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 564c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 56501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 5662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 5672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: use beacon interval provided by mac80211 */ 5680e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_cmd_join(wl, wl->bss_type, 1, 100, 0); 5692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 570c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 5712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->channel = channel; 5732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 57580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 5762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 577c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 5782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 58047af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled"); 5812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 5832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 5852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We enter PSM only if we're already associated. 5862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * If we're not, we'll enter it when joining an SSID, 5872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * through the bss_info_changed() hook. 5882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 58980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 5902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 5912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 59247af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled"); 5932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm) 59780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 5982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 60180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_tx_power(wl, conf->power_level); 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 6032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 6042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 6062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 608c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 60980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 610c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 611c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 6122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 613c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 6142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 61780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 6182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 6192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 6202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 6212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 6222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 6232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 62480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_configure_filter(struct ieee80211_hw *hw, 6252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 6262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int *total, 6272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int mc_count, 6282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct dev_addr_list *mc_list) 6292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 63080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 6312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 63280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); 6332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 63480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo *total &= WL1251_SUPPORTED_FILTERS; 63580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo changed &= WL1251_SUPPORTED_FILTERS; 6362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 6392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 6402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 6422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 64380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 64480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 6452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 6472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 6482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 6492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 6512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 6532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 6542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 6552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 6562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 6572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 6582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 6592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 6602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 6612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 6632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 6642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 6652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 6662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 6692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 6702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 6712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 6722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 6732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 67680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_set_key_type(struct wl1251 *wl, 67780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *key, 6782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 6792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 6802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 6812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 6822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (mac80211_key->alg) { 6832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_WEP: 6842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 6862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 6882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_TKIP: 6922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 6942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 6952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 6962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 6982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 6992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_CCMP: 7002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 7022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 7042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 7052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 70780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unknown key algo 0x%x", mac80211_key->alg); 7082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 7092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 7122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 71480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 7152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 7162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 7172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 7182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 71980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 72080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *wl_cmd; 7212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 7222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 7232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 7252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 72780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); 7282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 729ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 730ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 731ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 732ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 733ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 7342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 7362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 73780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 73880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 73980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 7402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->alg, key->keyidx, key->keylen, key->flags); 74180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 7422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 743ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 744ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 745ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 746ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 747ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 748ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 7492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 7502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 75180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 752c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 753c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_unlock; 75401d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 7562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 757ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 7582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 760ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 76380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unsupported key cmd 0x%x", cmd); 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 76780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); 7682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 76980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Set KEY type failed"); 770c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 7712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 773ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 774ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 7752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 776ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 777ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 7782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 7802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 7812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 7822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 7832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 784ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 785ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 786ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 7872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 789ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 7902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 791ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 7922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 793ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 794ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 7952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 7972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 799ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 80080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("could not set keys"); 801c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 804c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 80580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 806c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 807c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_unlock: 8082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 809ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 810ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 811ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 812ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 8132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 8142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 81680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_basic_rates(char *rates) 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 8182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 8192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; 8212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; 8222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; 8232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; 8242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 8262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 82880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_extended_rates(char *rates) 8292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 8302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 8312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_6MB; 8332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_9MB; 8342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_12MB; 8352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_18MB; 8362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_24MB; 8372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_36MB; 8382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_48MB; 8392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_54MB; 8402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 84580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_probe_req(struct wl1251 *wl, u8 *ssid, size_t ssid_len) 8462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 8472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_probe_req_template template; 8482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ie_rates *rates; 8492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo char *ptr; 8502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 size; 8512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr = (char *)&template; 8532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size = sizeof(struct ieee80211_header); 8542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 8562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 8572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 8582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); 8592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* IEs */ 8612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* SSID */ 8622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.id = WLAN_EID_SSID; 8632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.len = ssid_len; 8642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ssid_len && ssid) 8652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ssid.ssid, ssid, ssid_len); 8662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + ssid_len; 8672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += size; 8682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Basic Rates */ 8702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 8712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_SUPP_RATES; 87280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_basic_rates(rates->rates); 8732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 8742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; 8752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Extended rates */ 8772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 8782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_EXT_SUPP_RATES; 87980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_extended_rates(rates->rates); 8802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 8812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 88280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); 8832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 88480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PROBE_REQ, &template, 8852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size); 8862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 88880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_hw_scan(struct wl1251 *wl, u8 *ssid, size_t len, 8892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 active_scan, u8 high_prio, u8 num_channels, 8902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 probe_requests) 8912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 89280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_trigger_scan_to *trigger = NULL; 893ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct cmd_scan *params = NULL; 8942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int i, ret; 8952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 scan_options = 0; 8962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) 8982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EINVAL; 8992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params = kzalloc(sizeof(*params), GFP_KERNEL); 9012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!params) 9022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 9032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); 9052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_filter_options = 9062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); 9072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* High priority scan */ 9092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!active_scan) 9102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PASSIVE; 9112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (high_prio) 9122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PRIORITY_HIGH; 9132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.scan_options = scan_options; 9142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_channels = num_channels; 9162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_probe_requests = probe_requests; 9172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ 9182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tid_trigger = 0; 9192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < num_channels; i++) { 9212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].min_duration = cpu_to_le32(30000); 9222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].max_duration = cpu_to_le32(60000); 9232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_lsb, 0xff, 4); 9242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_msb, 0xff, 2); 9252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].early_termination = 0; 9262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].tx_power_att = 0; 9272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].channel = i + 1; 9282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->channels[i].pad, 0, 3); 9292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = num_channels; i < SCAN_MAX_NUM_OF_CHANNELS; i++) 9322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i], 0, 9332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(struct basic_scan_channel_parameters)); 9342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (len && ssid) { 9362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = len; 9372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(params->params.ssid, ssid, len); 9382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 9392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = 0; 9402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->params.ssid, 0, 32); 9412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 94380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_probe_req(wl, ssid, len); 9442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 94580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("PROBE request template failed"); 9462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 949ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); 950ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!trigger) 951ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 952ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 953ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger->timeout = 0; 954ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 95580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, 956ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo sizeof(*trigger)); 9572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 95880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("trigger scan to failed for hw scan"); 9592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); 9632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = true; 9652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); 9672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 96880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("SCAN failed"); 9692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9700764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland wl1251_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); 9712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 972ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (params->header.status != CMD_STATUS_SUCCESS) { 97380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("TEST command answer error: %d", 974ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo params->header.status); 9752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 9762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EIO; 9772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 9812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(params); 9822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 98680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_hw_scan(struct ieee80211_hw *hw, 9872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 9882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 98980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 *ssid = NULL; 9922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 9932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 99480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); 9952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 9972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 9982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 9992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 1002c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 100380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 1004c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 1005c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 100601d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 100780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); 100801d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 100980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1010c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1011c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 10122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 10132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 10152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 101780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 10182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 101980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 10202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 10212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1022cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_lock(&wl->mutex); 1023cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 102480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 1025c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 1026c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 102701d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 102880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_rts_threshold(wl, (u16) value); 10292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 103080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); 10312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 103280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 103301d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 1034c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 1035cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_unlock(&wl->mutex); 1036cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 10372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 10382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 104080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, 10412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 10422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 10442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 104580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo enum wl1251_cmd_ps_mode mode; 104680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 10472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct sk_buff *beacon; 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 105080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 10532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 105480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 1055c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 1056c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 105701d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 10582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 10592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 10602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->aid = bss_conf->aid; 10612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 106280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_ps_poll(wl, wl->aid); 10632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1064c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 106680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_aid(wl, wl->aid); 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1068c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* If we want to go in PSM but we're not there yet */ 10712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm_requested && !wl->psm) { 10722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mode = STATION_POWER_SAVE_MODE; 107380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, mode); 10742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1075c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 10802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 108180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); 10822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 108380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); 10842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 108580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set slot time failed %d", ret); 1086c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 10912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 109280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 109480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 10982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 109980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); 11002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 110180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); 11022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 110380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 110480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out; 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BSSID) { 11092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 111180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 11122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 11132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 11142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 111680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_join(wl, wl->bss_type, 5, 100, 1); 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 111880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 111980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 112080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 11212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 11252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 112680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 11302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 11312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 11322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 113480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 11352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 11362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 11382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 11402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 11412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11420e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_cmd_join(wl, wl->bss_type, 1, 100, 0); 11432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 11452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 11462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1148c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 114980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1150c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1151c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 11522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 11532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 115780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_rate wl1251_rates[] = { 11582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 11592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 11602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 11612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 11622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 11632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 11642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 11652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 11662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 11672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 11682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 11692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 11702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 11712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 11722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 11732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 11742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 11752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 11762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 11772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 11782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 11792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 11802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 11812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 11822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 11832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 11842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 11852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 11862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 11872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 11882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 11892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 11902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 11912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 11922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 11932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 11942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 11952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 11962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 11972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 120080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_channel wl1251_channels[] = { 12012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 12022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 12032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 12042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 12052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 12062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 12072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 12082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 12092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 12102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 12112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 12122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 12132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 12142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 121780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_supported_band wl1251_band_2ghz = { 121880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .channels = wl1251_channels, 121980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_channels = ARRAY_SIZE(wl1251_channels), 122080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bitrates = wl1251_rates, 122180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_bitrates = ARRAY_SIZE(wl1251_rates), 12222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 122480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic const struct ieee80211_ops wl1251_ops = { 122580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .start = wl1251_op_start, 122680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .stop = wl1251_op_stop, 122780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .add_interface = wl1251_op_add_interface, 122880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove_interface = wl1251_op_remove_interface, 122980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .config = wl1251_op_config, 123080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .configure_filter = wl1251_op_configure_filter, 123180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .tx = wl1251_op_tx, 123280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_key = wl1251_op_set_key, 123380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .hw_scan = wl1251_op_hw_scan, 123480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bss_info_changed = wl1251_op_bss_info_changed, 123580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_rts_threshold = wl1251_op_set_rts_threshold, 12362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 123880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_register_hw(struct wl1251 *wl) 12392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 12402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 12412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 12432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 12442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 12462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 12482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 124980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unable to register mac80211 hw: %d", ret); 12502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 12512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 12542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 125580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("loaded"); 12562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 12582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 12592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12608e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_init_ieee80211(struct wl1251 *wl) 12612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 12628e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int ret; 12638e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 12642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 12652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 12669f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 12672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 12692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 12702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 12712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 12732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_HW_NOISE_DBM; 12742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 12762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 127780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; 12782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12798e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = wl1251_register_hw(wl); 12808e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland if (ret) 12818e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland goto out; 12822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12838e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_debugfs_init(wl); 12848e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_notice("initialized"); 12852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12868e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = 0; 12878e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 12888e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandout: 12898e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ret; 12908e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland} 1291af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_init_ieee80211); 129208d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland 129380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_DEFAULT_CHANNEL 1 12948e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandstruct ieee80211_hw *wl1251_alloc_hw(void) 12952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 12962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 129780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 12988e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int i; 12992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 13002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 130180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); 13022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 130380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not alloc ieee80211_hw"); 13048e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 13052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 13082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 13092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 13112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 13132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 13152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo INIT_WORK(&wl->filter_work, wl1251_filter_work); 131780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 13182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 13192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 13202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 13212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 13222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 13232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 132580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 132680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 13272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 13282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 13292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 13302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 133180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 13322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 13342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 13352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 13372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13380e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->irq_work, wl1251_irq_work); 13390e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->tx_work, wl1251_tx_work); 13400e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 13412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 13422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 13442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 13452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 13462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 13472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 134880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 13492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 13502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 13522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 13532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13544721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 13554721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 135680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for rx descriptor"); 13578e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ieee80211_free_hw(hw); 13588e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 13594721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 13604721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13618e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return hw; 13622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1363af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_alloc_hw); 13642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13658e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_free_hw(struct wl1251 *wl) 13662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 13682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 136980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_exit(wl); 13702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 13722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 13732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->fw); 13742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 13752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 13762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 13774721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13784721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 13794721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 13804721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 13812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 13822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1385af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_free_hw); 1386af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob Copeland 1387af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); 1388af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_LICENSE("GPL"); 1389af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_AUTHOR("Kalle Valo <Kalle.Valo@nokia.com>"); 1390af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_AUTHOR("Luciano Coelho <luciano.coelho@nokia.com>"); 1391