main.c revision dcea4dbe54f5bbea2ef0bb265072754ccd934a1e
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> 31c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo#include <linux/vmalloc.h> 322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 331367411858d5fc60b632a3f488f2b4adc73d12d7Kalle Valo#include "wl1251.h" 342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl12xx_80211.h" 3529d904c452d466fbf51b2fde10f405b5c8f14c74Kalle Valo#include "wl1251_reg.h" 360764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland#include "wl1251_io.h" 378e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland#include "wl1251_cmd.h" 38ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_event.h" 399f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen#include "wl1251_tx.h" 40ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_rx.h" 41ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_ps.h" 42ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_init.h" 43ef2f8d45771490de5b8373c25e983ee1e3aee9eaKalle Valo#include "wl1251_debugfs.h" 440e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo#include "wl1251_boot.h" 452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copelandvoid wl1251_enable_interrupts(struct wl1251 *wl) 472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 48b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland wl->if_ops->enable_irq(wl); 49b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland} 50b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland 51b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copelandvoid wl1251_disable_interrupts(struct wl1251 *wl) 52b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland{ 53b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland wl->if_ops->disable_irq(wl); 542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_off(struct wl1251 *wl) 572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(false); 592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_on(struct wl1251 *wl) 622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(true); 642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_firmware(struct wl1251 *wl) 672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 696c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 720e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_FW_NAME, dev); 732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 7580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get firmware: %d", ret); 762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 8080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("firmware size is not multiple of 32 bits: %zu", 812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw_len = fw->size; 87c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo wl->fw = vmalloc(wl->fw_len); 882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->fw) { 9080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the firmware"); 912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->fw, fw->data, wl->fw_len); 962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_nvs(struct wl1251 *wl) 1062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 1086c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 1092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 1102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1110e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_NVS_NAME, dev); 1122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 11480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get nvs file: %d", ret); 1152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 11980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("nvs size is not multiple of 32 bits: %zu", 1202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 1212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 1222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs_len = fw->size; 1262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = kmalloc(wl->nvs_len, GFP_KERNEL); 1272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->nvs) { 12980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the nvs file"); 1302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 1312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->nvs, fw->data, wl->nvs_len); 1352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_fw_wakeup(struct wl1251 *wl) 1452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 elp_reg; 1472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo elp_reg = ELPCTRL_WAKE_UP; 14980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); 15080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); 1512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15205fac682c2ca0c572d1bd8e6a38025838ddf0e68Kalle Valo if (!(elp_reg & ELPCTRL_WLAN_READY)) 15380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("WLAN not ready"); 1542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_chip_wakeup(struct wl1251 *wl) 1572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 1592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 16080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_on(wl); 1610e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo msleep(WL1251_POWER_ON_SLEEP); 16208d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland wl->if_ops->reset(wl); 1632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We don't need a real memory partition here, because we only want 1652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * to use the registers at this point. */ 16680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_set_partition(wl, 1672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_BASE, 1702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_DOWN_SIZE); 1712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* ELP module wake up */ 17380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_fw_wakeup(wl); 1742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* whal_FwCtrl_BootSm() */ 1762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 0. read chip id from CHIP_ID */ 1780e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B); 1792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 1. check if chip id is valid */ 1812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1820e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo switch (wl->chip_id) { 1832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG12: 18480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", 1850e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->chip_id); 1862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 1872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG11: 1882c759e03b3b7639fff23ec3b7bab64a35ca0914fDavid-John Willis wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)", 1892c759e03b3b7639fff23ec3b7bab64a35ca0914fDavid-John Willis wl->chip_id); 1902c759e03b3b7639fff23ec3b7bab64a35ca0914fDavid-John Willis break; 1919a493e8f4d78fc3f2494fa952500b720c86737d8John W. Linville case CHIP_ID_1251_PG10: 1922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 1930e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_error("unsupported chip id: 0x%x", wl->chip_id); 1942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENODEV; 1952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->fw == NULL) { 19980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_firmware(wl); 2002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* No NVS from netlink, try to get it from the filesystem */ 2052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->nvs == NULL) { 20680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_nvs(wl); 2072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 215dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto#define WL1251_IRQ_LOOP_COUNT 10 2160e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valostatic void wl1251_irq_work(struct work_struct *work) 2170e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo{ 218dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto u32 intr, ctr = WL1251_IRQ_LOOP_COUNT; 2190e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo struct wl1251 *wl = 2200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo container_of(work, struct wl1251, irq_work); 2210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo int ret; 2220e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2230e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_lock(&wl->mutex); 2240e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2250e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "IRQ work"); 2260e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2270e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (wl->state == WL1251_STATE_OFF) 2280e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out; 2290e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2300e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 2310e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (ret < 0) 2320e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out; 2330e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2340e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); 2350e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2360e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); 2370e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr); 2380e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 239dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto do { 240dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (wl->data_path) { 241dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_counter = wl1251_mem_read32( 242dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl, wl->data_path->rx_control_addr); 243dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto 244dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto /* We handle a frmware bug here */ 245dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto switch ((wl->rx_counter - wl->rx_handled) & 0xf) { 246dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto case 0: 247dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, 248dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto "RX: FW and host in sync"); 249dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= ~WL1251_ACX_INTR_RX0_DATA; 250dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= ~WL1251_ACX_INTR_RX1_DATA; 251dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 252dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto case 1: 253dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "RX: FW +1"); 254dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr |= WL1251_ACX_INTR_RX0_DATA; 255dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= ~WL1251_ACX_INTR_RX1_DATA; 256dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 257dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto case 2: 258dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "RX: FW +2"); 259dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr |= WL1251_ACX_INTR_RX0_DATA; 260dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr |= WL1251_ACX_INTR_RX1_DATA; 261dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 262dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto default: 263dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_warning( 264dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto "RX: FW and host out of sync: %d", 265dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_counter - wl->rx_handled); 266dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 267dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 268dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto 269dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_handled = wl->rx_counter; 270dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto 271dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "RX counter: %d", 272dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_counter); 2730e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2740e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 275dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= wl->intr_mask; 2760e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 277dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr == 0) { 278dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "INTR is 0"); 279dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto goto out_sleep; 280dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2810e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 282dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_RX0_DATA) { 283dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); 284dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_rx(wl); 285dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2860e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 287dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_RX1_DATA) { 288dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); 289dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_rx(wl); 290dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2910e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 292dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_TX_RESULT) { 293dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); 294dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_tx_complete(wl); 295dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2960e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 297dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & (WL1251_ACX_INTR_EVENT_A | 298dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto WL1251_ACX_INTR_EVENT_B)) { 299dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT (0x%x)", 300dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr); 301dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_EVENT_A) 302dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_event_handle(wl, 0); 303dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto else 304dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_event_handle(wl, 1); 305dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 3060e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 307dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_INIT_COMPLETE) 308dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, 309dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto "WL1251_ACX_INTR_INIT_COMPLETE"); 3100e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 311dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); 3120e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 313dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } while (intr && --ctr); 3140e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3150e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout_sleep: 316dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); 3170e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_ps_elp_sleep(wl); 3180e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3190e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout: 3200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_unlock(&wl->mutex); 3210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo} 3220e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 323ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valostatic int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, 324ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo u16 beacon_interval, u8 dtim_period) 325ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo{ 326ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo int ret; 327ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 328ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, 329ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo DEFAULT_HW_GEN_MODULATION_TYPE, 330ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->tx_mgmt_frm_rate, 331ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->tx_mgmt_frm_mod); 332ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo if (ret < 0) 333ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo goto out; 334ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 335ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 336ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, 337ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo dtim_period); 338ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo if (ret < 0) 339ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo goto out; 340ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 341ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo /* 342ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo * FIXME: we should wait for JOIN_EVENT_COMPLETE_ID but to simplify 343ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo * locking we just sleep instead, for now 344ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo */ 345ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo msleep(10); 346ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 347ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valoout: 348ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo return ret; 349ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo} 350ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 35180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_filter_work(struct work_struct *work) 3522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 35380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = 35480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo container_of(work, struct wl1251, filter_work); 3552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 3562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 35980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state == WL1251_STATE_OFF) 3602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 36280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 363c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 364c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 36501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 366ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int, 367ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->dtim_period); 3682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 369c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 3702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 371c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 37280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 373c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 374c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 3752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 3792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 38080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 3832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3849f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 3859f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 3869f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 3879f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 3889f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 38916e711f9ed16e32126270652d79225836a7062cbKalle Valo ieee80211_queue_work(wl->hw, &wl->tx_work); 3902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 3932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 3942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 39580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_MAX_LENGTH) { 3962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_stop_queues(wl->hw); 3972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: this is racy, the variable is not properly 4002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * protected. Maybe fix this by removing the stupid 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * variable altogether and checking the real queue state? 4022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 4042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return NETDEV_TX_OK; 4072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 40980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_start(struct ieee80211_hw *hw) 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 41180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 start"); 4152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state != WL1251_STATE_OFF) { 41980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("cannot start because not in off state: %d", 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 4212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 4222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_chip_wakeup(wl); 4262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 427fe643414dbf330d6d910e01edd48dd93dc6f2942Jiri Slaby goto out; 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4290e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_boot(wl); 4302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4330e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_hw_init(wl); 4342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 4382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 44180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_ON; 4422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4430e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_info("firmware booted (%s)", wl->fw_ver); 4442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 44780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_stop(struct ieee80211_hw *hw) 4552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 45680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("down"); 4592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); 4612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo WARN_ON(wl->state != WL1251_STATE_ON); 4652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 4672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 4712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 4742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_disable_interrupts(wl); 4762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->irq_work); 4802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->tx_work); 4812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->filter_work); 4822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 4860e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_tx_flush(wl); 48780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 4902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 4922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 4962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 5012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 50280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 5039780279c60c32cb5f14531aa34ae991bb714c90cKalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 5042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 50580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_reset(wl); 5062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 51080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_add_interface(struct ieee80211_hw *hw, 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 5122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 51380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 5152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 516e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", 517e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg conf->type, conf->mac_addr); 5182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 520287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen if (wl->vif) { 521287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen ret = -EBUSY; 522287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen goto out; 523287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen } 524287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen 525287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = conf->vif; 5262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (conf->type) { 5282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 5292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 5302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 5322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 5332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 5362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (memcmp(wl->mac_addr, conf->mac_addr, ETH_ALEN)) { 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, conf->mac_addr, ETH_ALEN); 5412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 54280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 5432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 5482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_remove_interface(struct ieee80211_hw *hw, 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_if_init_conf *conf) 5542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 555287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen struct wl1251 *wl = hw->priv; 556287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen 557287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen mutex_lock(&wl->mutex); 55880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); 559287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = NULL; 560287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen mutex_unlock(&wl->mutex); 5612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 56380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_null_data(struct wl1251 *wl) 5642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_null_data_template template; 5662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!is_zero_ether_addr(wl->bssid)) { 5682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.da, wl->bssid, ETH_ALEN); 5692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.bssid, wl->bssid, ETH_ALEN); 5702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 5712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 5722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 5732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 5762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA | 5772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo IEEE80211_STYPE_NULLFUNC); 5782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 57980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_NULL_DATA, &template, 5802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 5812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 58480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_ps_poll(struct wl1251 *wl, u16 aid) 5852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 5862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ps_poll_template template; 5872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.bssid, wl->bssid, ETH_ALEN); 5892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ta, wl->mac_addr, ETH_ALEN); 5902410378a4c8e978823354ab3e44cd07c3c18a237Kalle Valo 5912410378a4c8e978823354ab3e44cd07c3c18a237Kalle Valo /* aid in PS-Poll has its two MSBs each set to 1 */ 5922410378a4c8e978823354ab3e44cd07c3c18a237Kalle Valo template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid); 5932410378a4c8e978823354ab3e44cd07c3c18a237Kalle Valo 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL); 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 59680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PS_POLL, &template, 5972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(template)); 5982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 60180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 60380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 6042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 6052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 6062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 6082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 60980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 6102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 6112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 6122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 6132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 61680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 617c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 618c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 61901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 6202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 621fe9a98460b6c8dac47d0e34bcb04850193d41565Kalle Valo wl->channel = channel; 622fe9a98460b6c8dac47d0e34bcb04850193d41565Kalle Valo 623ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, 624ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->beacon_int, wl->dtim_period); 6252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 626c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 6272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 62980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 6302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 631c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 6322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 63447af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled"); 6352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 6372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We enter PSM only if we're already associated. 6402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * If we're not, we'll enter it when joining an SSID, 6412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * through the bss_info_changed() hook. 6422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 64380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 6442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 6452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 64647af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled"); 6472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 6492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm) 65180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 6522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 65580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_tx_power(wl, conf->power_level); 6562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 6572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 6582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 6602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 662c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 66380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 664c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 665c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 6662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 667c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 6682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 6692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 67180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 6722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 6732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 6742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 6752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 6762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 6772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 67880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_configure_filter(struct ieee80211_hw *hw, 6792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 6803ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg unsigned int *total,u64 multicast) 6812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 68280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 6832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 68480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); 6852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 68680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo *total &= WL1251_SUPPORTED_FILTERS; 68780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo changed &= WL1251_SUPPORTED_FILTERS; 6882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 6902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 6922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 6942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 69580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 69680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 6972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 6992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 7002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 7012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 7032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 7052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 7062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 7072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 7082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 7092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 7102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 7112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 7122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 7132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 7152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 7162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 7172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 7182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 7212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 7222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 7232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 7242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 7252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 72880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_set_key_type(struct wl1251 *wl, 72980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *key, 7302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 7312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 7322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 7332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 7342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (mac80211_key->alg) { 7352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_WEP: 7362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 7382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 7402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 7422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_TKIP: 7442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 7462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 7482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 7502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case ALG_CCMP: 7522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 7542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 7562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 7572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 75980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unknown key algo 0x%x", mac80211_key->alg); 7602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 76680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 7672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 7682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 7692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 7702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 77180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 77280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *wl_cmd; 7732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 7742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 7752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 7772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 77980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); 7802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 781ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 782ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 783ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 784ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 785ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 7862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 7882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 78980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 79080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 79180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 7922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->alg, key->keyidx, key->keylen, key->flags); 79380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 7942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 795ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 796ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 797ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 798ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 799ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 800ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 8012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 8022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 80380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 804c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 805c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_unlock; 80601d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 8072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 8082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 809ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 8102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 812ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 8132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 81580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unsupported key cmd 0x%x", cmd); 8162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 81980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 82180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Set KEY type failed"); 822c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 825ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 826ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 828ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 829ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 8302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 8312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 8322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 8332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 8342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 8352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 836ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 837ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 838ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 8392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 841ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 843ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 8442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 845ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 846ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 8472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 84880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 8492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 85080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 851ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 85280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("could not set keys"); 853c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 856c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 85780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 858c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 859c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_unlock: 8602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 861ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 862ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 863ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 864ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 8652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 8662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 86880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_basic_rates(char *rates) 8692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 8702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 8712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB; 8732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB; 8742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB; 8752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB; 8762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 8782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 88080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_extended_rates(char *rates) 8812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 8822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 index = 0; 8832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_6MB; 8852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_9MB; 8862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_12MB; 8872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_18MB; 8882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_24MB; 8892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_36MB; 8902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_48MB; 8912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates[index++] = IEEE80211_OFDM_RATE_54MB; 8922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return index; 8942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 89780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_build_probe_req(struct wl1251 *wl, u8 *ssid, size_t ssid_len) 8982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 8992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_probe_req_template template; 9002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct wl12xx_ie_rates *rates; 9012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo char *ptr; 9022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 size; 9032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr = (char *)&template; 9052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size = sizeof(struct ieee80211_header); 9062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.da, 0xff, ETH_ALEN); 9082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(template.header.bssid, 0xff, ETH_ALEN); 9092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.header.sa, wl->mac_addr, ETH_ALEN); 9102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ); 9112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* IEs */ 9132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* SSID */ 9142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.id = WLAN_EID_SSID; 9152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo template.ssid.header.len = ssid_len; 9162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ssid_len && ssid) 9172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(template.ssid.ssid, ssid, ssid_len); 9182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + ssid_len; 9192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += size; 9202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Basic Rates */ 9222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 9232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_SUPP_RATES; 92480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_basic_rates(rates->rates); 9252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 9262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ptr += sizeof(struct wl12xx_ie_header) + rates->header.len; 9272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* Extended rates */ 9292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates = (struct wl12xx_ie_rates *)ptr; 9302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo rates->header.id = WLAN_EID_EXT_SUPP_RATES; 93180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo rates->header.len = wl1251_build_extended_rates(rates->rates); 9322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size += sizeof(struct wl12xx_ie_header) + rates->header.len; 9332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 93480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size); 9352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 93680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo return wl1251_cmd_template_set(wl, CMD_PROBE_REQ, &template, 9372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size); 9382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 94080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_hw_scan(struct wl1251 *wl, u8 *ssid, size_t len, 9412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 active_scan, u8 high_prio, u8 num_channels, 9422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 probe_requests) 9432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 94480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_trigger_scan_to *trigger = NULL; 945ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo struct cmd_scan *params = NULL; 9462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int i, ret; 9472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u16 scan_options = 0; 9482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) 9502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EINVAL; 9512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params = kzalloc(sizeof(*params), GFP_KERNEL); 9532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!params) 9542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -ENOMEM; 9552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD); 9572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.rx_filter_options = 9582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN); 9592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* High priority scan */ 9612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!active_scan) 9622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PASSIVE; 9632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (high_prio) 9642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo scan_options |= SCAN_PRIORITY_HIGH; 9652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.scan_options = scan_options; 9662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_channels = num_channels; 9682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.num_probe_requests = probe_requests; 9692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tx_rate = cpu_to_le16(1 << 1); /* 2 Mbps */ 9702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.tid_trigger = 0; 9712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < num_channels; i++) { 9732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].min_duration = cpu_to_le32(30000); 9742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].max_duration = cpu_to_le32(60000); 9752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_lsb, 0xff, 4); 9762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i].bssid_msb, 0xff, 2); 9772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].early_termination = 0; 9782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].tx_power_att = 0; 9792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->channels[i].channel = i + 1; 9802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->channels[i].pad, 0, 3); 9812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = num_channels; i < SCAN_MAX_NUM_OF_CHANNELS; i++) 9842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(¶ms->channels[i], 0, 9852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo sizeof(struct basic_scan_channel_parameters)); 9862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (len && ssid) { 9882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = len; 9892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(params->params.ssid, ssid, len); 9902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 9912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo params->params.ssid_len = 0; 9922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(params->params.ssid, 0, 32); 9932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 9942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 99580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_probe_req(wl, ssid, len); 9962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 99780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("PROBE request template failed"); 9982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 9992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1001ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger = kzalloc(sizeof(*trigger), GFP_KERNEL); 1002ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!trigger) 1003ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 1004ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 1005ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo trigger->timeout = 0; 1006ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 100780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger, 1008ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo sizeof(*trigger)); 10092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 101080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("trigger scan to failed for hw scan"); 10112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 101480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params)); 10152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = true; 10172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 101880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SCAN, params, sizeof(*params)); 10192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 102080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("SCAN failed"); 10212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10220764de64c8628f653c7e8493017d6bd8d43f4e3bBob Copeland wl1251_mem_read(wl, wl->cmd_box_addr, params, sizeof(*params)); 10232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1024ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (params->header.status != CMD_STATUS_SUCCESS) { 102580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("TEST command answer error: %d", 1026ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo params->header.status); 10272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 10282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EIO; 10292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 10302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 10332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(params); 10342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 10352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 103880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_hw_scan(struct ieee80211_hw *hw, 10392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 10402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 104180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 10422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u8 *ssid = NULL; 10442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 10452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 104680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); 10472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 10502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 1054c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 105580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 1056c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 1057c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 105801d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 105980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_hw_scan(hw->priv, ssid, ssid_len, 1, 0, 13, 3); 106001d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 106180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1062c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1063c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 10642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 10652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 106980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 10702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 107180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 10722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 10732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1074cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_lock(&wl->mutex); 1075cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 107680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 1077c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 1078c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 107901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 108080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_rts_threshold(wl, (u16) value); 10812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 108280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); 10832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 108480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 108501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 1086c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 1087cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_unlock(&wl->mutex); 1088cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 10902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 109280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 10942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 109780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo enum wl1251_cmd_ps_mode mode; 109880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 10992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct sk_buff *beacon; 11002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 11012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 110280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 11032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 110680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 1107c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 1108c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 110901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 11112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 1112e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = bss_conf->beacon_int; 1113e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = bss_conf->dtim_period; 1114e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo 111572b57344a2a1f98c6838c2268fdc5ed5fae54cd8Vidhya Govindan ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int, 111672b57344a2a1f98c6838c2268fdc5ed5fae54cd8Vidhya Govindan wl->dtim_period); 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->aid = bss_conf->aid; 11182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 111980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_ps_poll(wl, wl->aid); 11202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1121c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 112380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_aid(wl, wl->aid); 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1125c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 11262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* If we want to go in PSM but we're not there yet */ 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->psm_requested && !wl->psm) { 11292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mode = STATION_POWER_SAVE_MODE; 113080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, mode); 11312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1132c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 11332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1134e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo } else { 1135e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo /* use defaults when not associated */ 1136e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = WL1251_DEFAULT_BEACON_INT; 1137e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; 11382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 11412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 114280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); 11432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 114480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); 11452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 114680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set slot time failed %d", ret); 1147c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 11482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 11522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 115380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 11542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 115580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 11562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 11592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 116080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); 11612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 116280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); 11632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 116480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 116580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out; 11662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BSSID) { 11702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 11712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 117280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_build_null_data(wl); 11732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 11742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 11752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 1177ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, 1178ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->beacon_int, wl->dtim_period); 11792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 118080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 118180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 118280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo goto out_sleep; 11832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 11872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 118880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, 11892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 11902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 11922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 11932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 11942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 11952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 119680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 11972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 11982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 12002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 12022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 12032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1204ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->beacon_int, 1205ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->channel, wl->dtim_period); 12062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 12082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 12092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1211c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 121280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1213c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1214c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 12152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 12162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 12172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 122080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_rate wl1251_rates[] = { 12212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 12222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 12232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 12242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 12252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 12262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 12272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 12282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 12292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 12302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 12312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 12322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 12332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 12342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 12352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 12362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 12372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 12382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 12392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 12402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 12412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 12422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 12432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 12442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 12452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 12462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 12472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 12482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 12492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 12502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 12512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 12522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 12532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 12542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 12552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 12562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 12572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 12582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 12592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 12602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 126380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_channel wl1251_channels[] = { 12642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 12652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 12662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 12672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 12682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 12692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 12702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 12712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 12722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 12732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 12742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 12752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 12762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 12772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 128080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_supported_band wl1251_band_2ghz = { 128180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .channels = wl1251_channels, 128280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_channels = ARRAY_SIZE(wl1251_channels), 128380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bitrates = wl1251_rates, 128480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_bitrates = ARRAY_SIZE(wl1251_rates), 12852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 128780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic const struct ieee80211_ops wl1251_ops = { 128880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .start = wl1251_op_start, 128980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .stop = wl1251_op_stop, 129080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .add_interface = wl1251_op_add_interface, 129180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove_interface = wl1251_op_remove_interface, 129280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .config = wl1251_op_config, 129380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .configure_filter = wl1251_op_configure_filter, 129480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .tx = wl1251_op_tx, 129580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_key = wl1251_op_set_key, 129680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .hw_scan = wl1251_op_hw_scan, 129780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bss_info_changed = wl1251_op_bss_info_changed, 129880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_rts_threshold = wl1251_op_set_rts_threshold, 12992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 13002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 130180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_register_hw(struct wl1251 *wl) 13022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 13042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 13062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 13092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 13112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 131280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unable to register mac80211 hw: %d", ret); 13132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 13172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 131880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("loaded"); 13192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13238e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_init_ieee80211(struct wl1251 *wl) 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13258e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int ret; 13268e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 13272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 13282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 13299f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 13302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 13322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 13332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 13342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 13368c8746f9db8b1f644695050703e2d38cd5964ba7Kalle Valo IEEE80211_HW_NOISE_DBM | 13376b21a2cd315e2e56a1748bd3ef9d910fe4f2e711Juuso Oikarinen IEEE80211_HW_SUPPORTS_PS | 13386b21a2cd315e2e56a1748bd3ef9d910fe4f2e711Juuso Oikarinen IEEE80211_HW_BEACON_FILTER; 13392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 13412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 134280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13448e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = wl1251_register_hw(wl); 13458e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland if (ret) 13468e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland goto out; 13472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13488e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_debugfs_init(wl); 13498e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_notice("initialized"); 13502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13518e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = 0; 13528e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 13538e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandout: 13548e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ret; 13558e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland} 1356af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_init_ieee80211); 135708d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland 13588e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandstruct ieee80211_hw *wl1251_alloc_hw(void) 13592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 136180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 13628e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int i; 13632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 13642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 136580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); 13662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 136780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not alloc ieee80211_hw"); 13688e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 13692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 13722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 13732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 13752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 13772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 13792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 138080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo INIT_WORK(&wl->filter_work, wl1251_filter_work); 1381d5da79ac1f5050cccaa68d814ccce292371f25faJuuso Oikarinen INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); 138280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 13832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 13842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 13852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 13862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 13872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 13882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 13892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 139080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 139180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 13922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 13932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 13942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 13952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 139680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 1397e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = WL1251_DEFAULT_BEACON_INT; 1398e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; 1399287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = NULL; 14002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 14022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 14032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 14052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14060e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->irq_work, wl1251_irq_work); 14070e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->tx_work, wl1251_tx_work); 14080e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 14092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 14102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 14112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 14122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 14132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 14142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 14152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 141680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 14172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 14182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 14202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 14212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14224721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 14234721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 142480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for rx descriptor"); 14258e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ieee80211_free_hw(hw); 14268e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 14274721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 14284721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14298e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return hw; 14302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1431af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_alloc_hw); 14322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14338e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_free_hw(struct wl1251 *wl) 14342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 14352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 14362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 143780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_exit(wl); 14382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 14402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 1441c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo vfree(wl->fw); 14422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 14432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 14442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 14454721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14464721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 14474721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 14484721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 14502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 14522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1453af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_free_hw); 1454af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob Copeland 1455af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); 1456af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_LICENSE("GPL"); 1457b1b0a2b8b51fa3f0cd349f947a38ab4c6ab192c6Kalle ValoMODULE_AUTHOR("Kalle Valo <kalle.valo@nokia.com>"); 145840f54242ae2d2b958b6ae7644f58de9e8a48992aKalle ValoMODULE_ALIAS("spi:wl1251"); 145949f146de405cfb37c51976b8a682330b8cb2972eBen HutchingsMODULE_FIRMWARE(WL1251_FW_NAME); 1460