12f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* 280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo * This file is part of wl1251 32f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 42f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * Copyright (C) 2008-2009 Nokia Corporation 52f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 62f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * This program is free software; you can redistribute it and/or 72f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * modify it under the terms of the GNU General Public License 82f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * version 2 as published by the Free Software Foundation. 92f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * This program is distributed in the hope that it will be useful, but 112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * WITHOUT ANY WARRANTY; without even the implied warranty of 122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * General Public License for more details. 142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * You should have received a copy of the GNU General Public License 162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * along with this program; if not, write to the Free Software 172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 02110-1301 USA 192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * 202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/module.h> 232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/interrupt.h> 242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/firmware.h> 252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/delay.h> 262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/irq.h> 272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/crc32.h> 282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include <linux/etherdevice.h> 29c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo#include <linux/vmalloc.h> 305a0e3ad6af8660be21ca98a971cd00f331318c05Tejun Heo#include <linux/slab.h> 312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 321367411858d5fc60b632a3f488f2b4adc73d12d7Kalle Valo#include "wl1251.h" 332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo#include "wl12xx_80211.h" 349bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "reg.h" 359bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "io.h" 369bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "cmd.h" 379bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "event.h" 389bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "tx.h" 399bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "rx.h" 409bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "ps.h" 419bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "init.h" 429bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "debugfs.h" 439bc6772e15d25f58c1be638031280e04514287d4Kalle Valo#include "boot.h" 442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copelandvoid wl1251_enable_interrupts(struct wl1251 *wl) 462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 47b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland wl->if_ops->enable_irq(wl); 48b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland} 49b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland 50b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copelandvoid wl1251_disable_interrupts(struct wl1251 *wl) 51b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland{ 52b5ed9c1b6f8fcb2d2315f12599fd5808f7933f16Bob Copeland wl->if_ops->disable_irq(wl); 532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotasstatic int wl1251_power_off(struct wl1251 *wl) 562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 57cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas return wl->if_ops->power(wl, false); 582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 60cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotasstatic int wl1251_power_on(struct wl1251 *wl) 612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 62cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas return wl->if_ops->power(wl, true); 632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_firmware(struct wl1251 *wl) 662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 686c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 710e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_FW_NAME, dev); 722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 7480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get firmware: %d", ret); 752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 7980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("firmware size is not multiple of 32 bits: %zu", 802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw_len = fw->size; 86c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo wl->fw = vmalloc(wl->fw_len); 872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->fw) { 8980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the firmware"); 902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->fw, fw->data, wl->fw_len); 952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_nvs(struct wl1251 *wl) 1052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 1076c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 1082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 1092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1100e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_NVS_NAME, dev); 1112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 11380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get nvs file: %d", ret); 1142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 11880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("nvs size is not multiple of 32 bits: %zu", 1192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 1202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 1212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs_len = fw->size; 12580caf6017ace944035210ca2bba7abeb85eb0c5cJulia Lawall wl->nvs = kmemdup(fw->data, wl->nvs_len, GFP_KERNEL); 1262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!wl->nvs) { 12880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for the nvs file"); 1292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENOMEM; 1302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = 0; 1342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 1362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo release_firmware(fw); 1372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 1392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_fw_wakeup(struct wl1251 *wl) 1422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 1432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 elp_reg; 1442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo elp_reg = ELPCTRL_WAKE_UP; 1463f9e750d130b4a4d9f8226642b46ed17d8357f40Grazvydas Ignotas wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg); 1473f9e750d130b4a4d9f8226642b46ed17d8357f40Grazvydas Ignotas elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR); 1482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14905fac682c2ca0c572d1bd8e6a38025838ddf0e68Kalle Valo if (!(elp_reg & ELPCTRL_WLAN_READY)) 15080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("WLAN not ready"); 1512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_chip_wakeup(struct wl1251 *wl) 1542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 155cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas int ret; 156cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas 157cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas ret = wl1251_power_on(wl); 158cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas if (ret < 0) 159cb7bbc7a5535ab2333915b83391e1d846a0914dfGrazvydas Ignotas return ret; 1602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 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 204afa5ec27f4d69952d4ae11f182258bf53d85fcf5Grazvydas Ignotas if (wl->nvs == NULL && !wl->use_eeprom) { 205afa5ec27f4d69952d4ae11f182258bf53d85fcf5Grazvydas Ignotas /* No NVS from netlink, try to get it from the filesystem */ 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 297d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas if (intr & WL1251_ACX_INTR_EVENT_A) { 298d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_A"); 299d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_event_handle(wl, 0); 300d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas } 301d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas 302d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas if (intr & WL1251_ACX_INTR_EVENT_B) { 303d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_B"); 304d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas 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 31179553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen if (--ctr == 0) 31279553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen break; 3130e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 31479553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); 31579553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen } while (intr); 3160e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3170e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout_sleep: 318dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); 3190e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_ps_elp_sleep(wl); 3200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout: 3220e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_unlock(&wl->mutex); 3230e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo} 3240e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 325ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valostatic int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, 326ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo u16 beacon_interval, u8 dtim_period) 327ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo{ 328ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo int ret; 329ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 330ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, 331ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo DEFAULT_HW_GEN_MODULATION_TYPE, 332ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->tx_mgmt_frm_rate, 333ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->tx_mgmt_frm_mod); 334ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo if (ret < 0) 335ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo goto out; 336ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 337ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 338ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, 339ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo dtim_period); 340ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo if (ret < 0) 341ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo goto out; 342ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 3437273b9700b74e8c26b612207aea47effb0e530bfGrazvydas Ignotas ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100); 3447273b9700b74e8c26b612207aea47effb0e530bfGrazvydas Ignotas if (ret < 0) 3457273b9700b74e8c26b612207aea47effb0e530bfGrazvydas Ignotas wl1251_warning("join timeout"); 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 3787bb4568372856688bc070917265bce0b88bb7d4dJohannes Bergstatic void wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 3792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 38080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3819df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli unsigned long flags; 3822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 3842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3859f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 3869f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 3879f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 3889f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 3899f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 39016e711f9ed16e32126270652d79225836a7062cbKalle Valo ieee80211_queue_work(wl->hw, &wl->tx_work); 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 3942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 3952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 3969df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) { 397d67e261829d405ed19a6c2e648f224e352012f52Kalle Valo wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues"); 3982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3999df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli spin_lock_irqsave(&wl->wl_lock, flags); 4009df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli ieee80211_stop_queues(wl->hw); 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 4029df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli spin_unlock_irqrestore(&wl->wl_lock, flags); 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 40680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_start(struct ieee80211_hw *hw) 4072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 40880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4098b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville struct wiphy *wiphy = hw->wiphy; 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 4112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 start"); 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state != WL1251_STATE_OFF) { 41780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("cannot start because not in off state: %d", 4182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 4192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_chip_wakeup(wl); 4242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 425fe643414dbf330d6d910e01edd48dd93dc6f2942Jiri Slaby goto out; 4262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4270e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_boot(wl); 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4310e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_hw_init(wl); 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 4362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_ON; 4402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4410e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_info("firmware booted (%s)", wl->fw_ver); 4422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4438b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville /* update hw/fw version info in wiphy struct */ 4448b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville wiphy->hw_version = wl->chip_id; 4458b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville strncpy(wiphy->fw_version, wl->fw_ver, sizeof(wiphy->fw_version)); 4468b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville 4472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 44980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_stop(struct ieee80211_hw *hw) 4572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 45880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("down"); 4612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); 4632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo WARN_ON(wl->state != WL1251_STATE_ON); 4672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 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); 4824c1bcdb5a3354b250b82a67549f57ac27a3bb85fGrazvydas Ignotas cancel_delayed_work_sync(&wl->elp_work); 4832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 4870e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_tx_flush(wl); 48880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 4922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 4932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 4962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 501a0bbb58bcb70295ff05f870c93d34f9fbe614204Jarkko Nikula wl->station_mode = STATION_ACTIVE_MODE; 5022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 50380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 5048964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt wl->rssi_thold = 0; 5059780279c60c32cb5f14531aa34ae991bb714c90cKalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 5062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 50780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_reset(wl); 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 51280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_add_interface(struct ieee80211_hw *hw, 5131ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 5142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 51580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 5172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 518ea086359a63bd0dd85c1d784d0425340649613faJohannes Berg vif->driver_flags |= IEEE80211_VIF_BEACON_FILTER | 519ea086359a63bd0dd85c1d784d0425340649613faJohannes Berg IEEE80211_VIF_SUPPORTS_CQM_RSSI; 520c1288b1278d00169e12495eb53ad128e09560b69Johannes Berg 521e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", 5221ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg vif->type, vif->addr); 5232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 525287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen if (wl->vif) { 526287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen ret = -EBUSY; 527287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen goto out; 528287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen } 529287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen 5301ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg wl->vif = vif; 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5321ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg switch (vif->type) { 5332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 5362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 5372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 5382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 5392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 5412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5441ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg if (memcmp(wl->mac_addr, vif->addr, ETH_ALEN)) { 5451ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg memcpy(wl->mac_addr, vif->addr, ETH_ALEN); 5462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 54780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 5482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_remove_interface(struct ieee80211_hw *hw, 5581ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 5592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 560287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen struct wl1251 *wl = hw->priv; 561287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen 562287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen mutex_lock(&wl->mutex); 56380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); 564287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = NULL; 565287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen mutex_unlock(&wl->mutex); 5662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5688f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valostatic int wl1251_build_qos_null_data(struct wl1251 *wl) 5698f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo{ 5708f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo struct ieee80211_qos_hdr template; 5718f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5728f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memset(&template, 0, sizeof(template)); 5738f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5748f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memcpy(template.addr1, wl->bssid, ETH_ALEN); 5758f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memcpy(template.addr2, wl->mac_addr, ETH_ALEN); 5768f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memcpy(template.addr3, wl->bssid, ETH_ALEN); 5778f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5788f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 5798f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo IEEE80211_STYPE_QOS_NULLFUNC | 5808f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo IEEE80211_FCTL_TODS); 5818f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5828f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo /* FIXME: not sure what priority to use here */ 5838f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo template.qos_ctrl = cpu_to_le16(0); 5848f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5858f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo return wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, &template, 5868f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo sizeof(template)); 5878f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo} 5888f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 58980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) 5902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 59180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 5932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 5962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 59780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 5982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 5992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 6002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 6012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 6032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 60480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 605c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 606c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 60701d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 6082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 609fe9a98460b6c8dac47d0e34bcb04850193d41565Kalle Valo wl->channel = channel; 610fe9a98460b6c8dac47d0e34bcb04850193d41565Kalle Valo 611ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, 612ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->beacon_int, wl->dtim_period); 6132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 614c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 61847af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled"); 6192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 6212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 62256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg wl->dtim_period = conf->ps_dtim_period; 62356007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 62456007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int, 62556007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg wl->dtim_period); 62656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 6272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 62856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg * mac80211 enables PSM only if we're already associated. 6292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 63080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 631478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo if (ret < 0) 632478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo goto out_sleep; 6332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 6342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 63547af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled"); 6362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 639a0bbb58bcb70295ff05f870c93d34f9fbe614204Jarkko Nikula if (wl->station_mode != STATION_ACTIVE_MODE) { 64080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 641478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo if (ret < 0) 642478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo goto out_sleep; 643478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo } 6442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6461e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula if (changed & IEEE80211_CONF_CHANGE_IDLE) { 6471e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula if (conf->flags & IEEE80211_CONF_IDLE) { 6481e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula ret = wl1251_ps_set_mode(wl, STATION_IDLE); 6491e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula if (ret < 0) 6501e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula goto out_sleep; 6511e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula } else { 6521e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 6531e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula if (ret < 0) 6541e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula goto out_sleep; 6551e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula ret = wl1251_join(wl, wl->bss_type, wl->channel, 6561e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula wl->beacon_int, wl->dtim_period); 6571e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula if (ret < 0) 6581e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula goto out_sleep; 6591e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula } 6601e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula } 6611e5f52de216a32986a5c3cbc358dbb2620a03047Jarkko Nikula 6622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 66380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_tx_power(wl, conf->power_level); 6642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 665478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo goto out_sleep; 6662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 6682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 670c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 67180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 672c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 673c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 6742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 675c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 6762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 6772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 67980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 6802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 6812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 6822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 6832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 6842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 6852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 68680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_configure_filter(struct ieee80211_hw *hw, 6872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 6883ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg unsigned int *total,u64 multicast) 6892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 69080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 69280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 69480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo *total &= WL1251_SUPPORTED_FILTERS; 69580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo changed &= WL1251_SUPPORTED_FILTERS; 6962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 6982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 6992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 7002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 7022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 70380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 70480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 7052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 7072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 7082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 7092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 7112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 7132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 7142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 7152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 7162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 7172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 7182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 7192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 7202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 7212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 7232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 7242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 7252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 7262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 7292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 7302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 7312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 7322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 7332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 73680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_set_key_type(struct wl1251 *wl, 73780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *key, 7382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 7392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 7402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 7412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 74297359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg switch (mac80211_key->cipher) { 74397359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_WEP40: 74497359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_WEP104: 7452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 7472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 7492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 7512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 75297359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_TKIP: 7532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 7572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 7592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 76097359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_CCMP: 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 7632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 7662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 76897359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg wl1251_error("Unknown key cipher 0x%x", mac80211_key->cipher); 7692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 7702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 7732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 77580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 7762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 7772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 7782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 7792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 78080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 78180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *wl_cmd; 7822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 7832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 7842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 7862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 78880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); 7892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 790ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 791ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 792ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 793ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 794ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 7952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 7972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 79980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 80080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 80197359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg key->cipher, key->keyidx, key->keylen, key->flags); 80280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 8032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 804ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 805ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 806ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 807ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 808ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 809ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 8102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 8112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 81280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 813c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 814c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_unlock; 81501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 8162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 818ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 8192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 821ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 8222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 82480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unsupported key cmd 0x%x", cmd); 8252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 82880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); 8292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 83080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Set KEY type failed"); 831c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 834ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 835ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 8362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 837ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 838ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 8392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 8402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 8412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 8432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 8442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 845ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 846ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 847ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 8482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 850ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 8512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 852ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 8532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 854ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 855ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 8562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 85780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 8582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 85980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 860ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 86180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("could not set keys"); 862c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 865c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 86680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 867c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 868c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_unlock: 8692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 870ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 871ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 872ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 873ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 8742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 8752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 87780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_hw_scan(struct ieee80211_hw *hw, 878a060bbfe4ee95d115e8f9705a66894ac34e2c475Johannes Berg struct ieee80211_vif *vif, 8792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 8802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 88180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 882e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo struct sk_buff *skb; 8832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 8843a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo u8 *ssid = NULL; 8853a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo int ret; 8862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 88780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); 8882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 8902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 8912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 8922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 895c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 8963a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (wl->scanning) { 8973a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo wl1251_debug(DEBUG_SCAN, "scan already in progress"); 8983a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo ret = -EINVAL; 8993a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo goto out; 9003a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo } 9013a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 90280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 903c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 904c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 90501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 906e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len, 907e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo req->ie, req->ie_len); 908e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo if (!skb) { 909e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo ret = -ENOMEM; 910e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo goto out; 911e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo } 912e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo 913e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, skb->data, 914e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo skb->len); 915e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo dev_kfree_skb(skb); 9163a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (ret < 0) 917e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo goto out_sleep; 9183a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 9193a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo ret = wl1251_cmd_trigger_scan_to(wl, 0); 9203a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (ret < 0) 9213a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo goto out_sleep; 9223a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 9233a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo wl->scanning = true; 92401d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 925dc52f0a8e50303eb67ff8856cd8d1b461462ceecKalle Valo ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels, 926dc52f0a8e50303eb67ff8856cd8d1b461462ceecKalle Valo req->n_channels, WL1251_SCAN_NUM_PROBES); 9273a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (ret < 0) { 9283a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo wl->scanning = false; 9293a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo goto out_sleep; 9303a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo } 9313a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 9323a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valoout_sleep: 93380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 934c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 935c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 9362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 9372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 94180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 9422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 94380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 946cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_lock(&wl->mutex); 947cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 94880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 949c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 950c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 95101d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 95280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_rts_threshold(wl, (u16) value); 9532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 95480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); 9552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 95680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 95701d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 958c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 959cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_unlock(&wl->mutex); 960cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 9612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 96480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, 9652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 9662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 9672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 9682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 96980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 970f7f70579340dba1e551c0e52349fde0370592174Kalle Valo struct sk_buff *beacon, *skb; 9712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 97380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 9742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 9762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 97780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 978c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 979c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 98001d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 9818964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt if (changed & BSS_CHANGED_CQM) { 9828964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt ret = wl1251_acx_low_rssi(wl, bss_conf->cqm_rssi_thold, 9838964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt WL1251_DEFAULT_LOW_RSSI_WEIGHT, 9848964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt WL1251_DEFAULT_LOW_RSSI_DEPTH, 9858964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt WL1251_ACX_LOW_RSSI_TYPE_EDGE); 9868964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt if (ret < 0) 9878964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt goto out; 9888964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt wl->rssi_thold = bss_conf->cqm_rssi_thold; 9898964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt } 9908964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt 991de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (changed & BSS_CHANGED_BSSID) { 992de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 993de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo 994f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb = ieee80211_nullfunc_get(wl->hw, wl->vif); 995f7f70579340dba1e551c0e52349fde0370592174Kalle Valo if (!skb) 996f7f70579340dba1e551c0e52349fde0370592174Kalle Valo goto out_sleep; 997f7f70579340dba1e551c0e52349fde0370592174Kalle Valo 998f7f70579340dba1e551c0e52349fde0370592174Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, 999f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb->data, skb->len); 1000f7f70579340dba1e551c0e52349fde0370592174Kalle Valo dev_kfree_skb(skb); 1001de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (ret < 0) 100280a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 1003de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo 10048f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo ret = wl1251_build_qos_null_data(wl); 10058f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo if (ret < 0) 10068f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo goto out; 10078f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 1008de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 1009de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, 1010de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo wl->beacon_int, wl->dtim_period); 1011de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (ret < 0) 1012de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo goto out_sleep; 1013de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo } 1014de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo } 1015de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo 10162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 10172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 1018e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = bss_conf->beacon_int; 10192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1020f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb = ieee80211_pspoll_get(wl->hw, wl->vif); 1021f7f70579340dba1e551c0e52349fde0370592174Kalle Valo if (!skb) 1022f7f70579340dba1e551c0e52349fde0370592174Kalle Valo goto out_sleep; 1023f7f70579340dba1e551c0e52349fde0370592174Kalle Valo 1024f7f70579340dba1e551c0e52349fde0370592174Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, 1025f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb->data, 1026f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb->len); 1027f7f70579340dba1e551c0e52349fde0370592174Kalle Valo dev_kfree_skb(skb); 10282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1029c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 103156007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg ret = wl1251_acx_aid(wl, bss_conf->aid); 10322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1033c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 1034e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo } else { 1035e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo /* use defaults when not associated */ 1036e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = WL1251_DEFAULT_BEACON_INT; 1037e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; 10382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 10412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 104280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 104480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); 10452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 104680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set slot time failed %d", ret); 1047c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 105380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 10542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 105580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 10562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 10592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 106080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); 10612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 106280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); 10632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 106480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 106580a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 10702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 10714d048aac990d587c81fc1002e28502e6f95371eeJesper Juhl if (!beacon) 10724d048aac990d587c81fc1002e28502e6f95371eeJesper Juhl goto out_sleep; 10734d048aac990d587c81fc1002e28502e6f95371eeJesper Juhl 107480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, 10752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 107980a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 108280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 10832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 108880a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1090ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->beacon_int, 1091ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->channel, wl->dtim_period); 10922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 109480a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1097c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 109880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1099c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1100c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 11012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 11022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 11032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 110680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_rate wl1251_rates[] = { 11072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 11082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 11092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 11112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 11122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 11132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 11142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 11152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 11162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 11182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 11192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 11202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 11212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 11232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 11252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 11262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 11292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 11302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 11312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 11322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 11332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 11342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 11352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 11362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 11372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 11382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 11392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 11402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 11412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 11422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 11432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 11442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 11452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 11462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 114980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_channel wl1251_channels[] = { 11502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 11512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 11522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 11532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 11542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 11552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 11562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 11572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 11582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 11592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 11602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 11612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 11622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 11632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11658a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Pellerstatic int wl1251_op_conf_tx(struct ieee80211_hw *hw, 11668a3a3c85e44d58f5af0adac74a0b866ba89a1978Eliad Peller struct ieee80211_vif *vif, u16 queue, 116786dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo const struct ieee80211_tx_queue_params *params) 116886dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo{ 11694ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo enum wl1251_acx_ps_scheme ps_scheme; 117086dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo struct wl1251 *wl = hw->priv; 117186dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo int ret; 117286dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 117386dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo mutex_lock(&wl->mutex); 117486dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 117586dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); 117686dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 117786dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 117886dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo if (ret < 0) 117986dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo goto out; 118086dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 118185359499eec796e784e2f1e3d7bbb31d84dd4c2bKalle Valo /* mac80211 uses units of 32 usec */ 118286dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue), 118386dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo params->cw_min, params->cw_max, 118485359499eec796e784e2f1e3d7bbb31d84dd4c2bKalle Valo params->aifs, params->txop * 32); 118527336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo if (ret < 0) 118627336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo goto out_sleep; 118727336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo 11884ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo if (params->uapsd) 11894ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo ps_scheme = WL1251_ACX_PS_SCHEME_UPSD_TRIGGER; 11904ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo else 11914ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo ps_scheme = WL1251_ACX_PS_SCHEME_LEGACY; 11924ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo 119327336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue), 119449e1b9faed736b20ad9a785638919341b567a595Kalle Valo CHANNEL_TYPE_EDCF, 11954ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo wl1251_tx_get_queue(queue), ps_scheme, 119627336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo WL1251_ACX_ACK_POLICY_LEGACY); 119727336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo if (ret < 0) 119827336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo goto out_sleep; 119986dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 120027336f1c0cd68fb9ae45493321f0d6980144230eKalle Valoout_sleep: 120186dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo wl1251_ps_elp_sleep(wl); 120286dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 120386dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valoout: 120486dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo mutex_unlock(&wl->mutex); 120586dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 120686dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo return ret; 120786dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo} 120886dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 120919434148d16dc231026f37af7c40e81ad9342e75John W. Linvillestatic int wl1251_op_get_survey(struct ieee80211_hw *hw, int idx, 121019434148d16dc231026f37af7c40e81ad9342e75John W. Linville struct survey_info *survey) 121119434148d16dc231026f37af7c40e81ad9342e75John W. Linville{ 121219434148d16dc231026f37af7c40e81ad9342e75John W. Linville struct wl1251 *wl = hw->priv; 121319434148d16dc231026f37af7c40e81ad9342e75John W. Linville struct ieee80211_conf *conf = &hw->conf; 121419434148d16dc231026f37af7c40e81ad9342e75John W. Linville 121519434148d16dc231026f37af7c40e81ad9342e75John W. Linville if (idx != 0) 121619434148d16dc231026f37af7c40e81ad9342e75John W. Linville return -ENOENT; 121719434148d16dc231026f37af7c40e81ad9342e75John W. Linville 121819434148d16dc231026f37af7c40e81ad9342e75John W. Linville survey->channel = conf->channel; 121919434148d16dc231026f37af7c40e81ad9342e75John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 122019434148d16dc231026f37af7c40e81ad9342e75John W. Linville survey->noise = wl->noise; 122119434148d16dc231026f37af7c40e81ad9342e75John W. Linville 122219434148d16dc231026f37af7c40e81ad9342e75John W. Linville return 0; 122319434148d16dc231026f37af7c40e81ad9342e75John W. Linville} 122419434148d16dc231026f37af7c40e81ad9342e75John W. Linville 12252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 122680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_supported_band wl1251_band_2ghz = { 122780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .channels = wl1251_channels, 122880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_channels = ARRAY_SIZE(wl1251_channels), 122980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bitrates = wl1251_rates, 123080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_bitrates = ARRAY_SIZE(wl1251_rates), 12312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 123380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic const struct ieee80211_ops wl1251_ops = { 123480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .start = wl1251_op_start, 123580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .stop = wl1251_op_stop, 123680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .add_interface = wl1251_op_add_interface, 123780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove_interface = wl1251_op_remove_interface, 123880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .config = wl1251_op_config, 123980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .configure_filter = wl1251_op_configure_filter, 124080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .tx = wl1251_op_tx, 124180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_key = wl1251_op_set_key, 124280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .hw_scan = wl1251_op_hw_scan, 124380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bss_info_changed = wl1251_op_bss_info_changed, 124480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_rts_threshold = wl1251_op_set_rts_threshold, 124586dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo .conf_tx = wl1251_op_conf_tx, 124619434148d16dc231026f37af7c40e81ad9342e75John W. Linville .get_survey = wl1251_op_get_survey, 12472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 124961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotasstatic int wl1251_read_eeprom_byte(struct wl1251 *wl, off_t offset, u8 *data) 125061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas{ 125161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas unsigned long timeout; 125261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 125361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_reg_write32(wl, EE_ADDR, offset); 125461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_reg_write32(wl, EE_CTL, EE_CTL_READ); 125561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 125661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas /* EE_CTL_READ clears when data is ready */ 125761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas timeout = jiffies + msecs_to_jiffies(100); 125861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas while (1) { 125961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (!(wl1251_reg_read32(wl, EE_CTL) & EE_CTL_READ)) 126061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas break; 126161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 126261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (time_after(jiffies, timeout)) 126361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return -ETIMEDOUT; 126461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 126561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas msleep(1); 126661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas } 126761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 126861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas *data = wl1251_reg_read32(wl, EE_DATA); 126961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return 0; 127061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas} 127161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 127261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotasstatic int wl1251_read_eeprom(struct wl1251 *wl, off_t offset, 127361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas u8 *data, size_t len) 127461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas{ 127561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas size_t i; 127661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas int ret; 127761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 127861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_reg_write32(wl, EE_START, 0); 127961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 128061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas for (i = 0; i < len; i++) { 128161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas ret = wl1251_read_eeprom_byte(wl, offset + i, &data[i]); 128261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (ret < 0) 128361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return ret; 128461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas } 128561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 128661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return 0; 128761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas} 128861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 128961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotasstatic int wl1251_read_eeprom_mac(struct wl1251 *wl) 129061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas{ 129161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas u8 mac[ETH_ALEN]; 129261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas int i, ret; 129361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 129461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_set_partition(wl, 0, 0, REGISTERS_BASE, REGISTERS_DOWN_SIZE); 129561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 129661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas ret = wl1251_read_eeprom(wl, 0x1c, mac, sizeof(mac)); 129761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (ret < 0) { 129861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_warning("failed to read MAC address from EEPROM"); 129961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return ret; 130061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas } 130161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 130261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas /* MAC is stored in reverse order */ 130361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas for (i = 0; i < ETH_ALEN; i++) 130461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl->mac_addr[i] = mac[ETH_ALEN - i - 1]; 130561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 130661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return 0; 130761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas} 130861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 130980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_register_hw(struct wl1251 *wl) 13102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 13122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 13142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 13172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 13192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 132080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unable to register mac80211 hw: %d", ret); 13212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 13222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 13252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 132680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("loaded"); 13272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 13292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 13302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13318e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_init_ieee80211(struct wl1251 *wl) 13322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13338e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int ret; 13348e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 13352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 13362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 13379f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 13382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 13402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 13412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 13422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 13446b21a2cd315e2e56a1748bd3ef9d910fe4f2e711Juuso Oikarinen IEEE80211_HW_SUPPORTS_PS | 1345ea086359a63bd0dd85c1d784d0425340649613faJohannes Berg IEEE80211_HW_SUPPORTS_UAPSD; 13462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 134743d136442a0af3b26df3f16c7b935b5ea12e493fDavid Gnedt wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 134843d136442a0af3b26df3f16c7b935b5ea12e493fDavid Gnedt BIT(NL80211_IFTYPE_ADHOC); 13492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 135080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; 13512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1352da2fb4e9c215b8f0f8954818691549f8a34135beKalle Valo wl->hw->queues = 4; 1353da2fb4e9c215b8f0f8954818691549f8a34135beKalle Valo 135461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (wl->use_eeprom) 135561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_read_eeprom_mac(wl); 135661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 13578e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = wl1251_register_hw(wl); 13588e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland if (ret) 13598e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland goto out; 13602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13618e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_debugfs_init(wl); 13628e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_notice("initialized"); 13632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13648e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = 0; 13658e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 13668e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandout: 13678e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ret; 13688e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland} 1369af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_init_ieee80211); 137008d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland 13718e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandstruct ieee80211_hw *wl1251_alloc_hw(void) 13722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 137480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 13758e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int i; 13762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 13772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 137880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); 13792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 138080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not alloc ieee80211_hw"); 13818e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 13822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 13852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 13862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 13882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 13902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 13922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 139380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo INIT_WORK(&wl->filter_work, wl1251_filter_work); 1394d5da79ac1f5050cccaa68d814ccce292371f25faJuuso Oikarinen INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); 139580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 13962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 13972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 13982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 13992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 14002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 14012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 14022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 140380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 140480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 14052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 1406a0bbb58bcb70295ff05f870c93d34f9fbe614204Jarkko Nikula wl->station_mode = STATION_ACTIVE_MODE; 14072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 14082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 140980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 14108964e492b5740dae0f4f68e08f4a9a45d4b57620David Gnedt wl->rssi_thold = 0; 1411e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = WL1251_DEFAULT_BEACON_INT; 1412e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; 1413287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = NULL; 14142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 14162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 14172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 14192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->irq_work, wl1251_irq_work); 14210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->tx_work, wl1251_tx_work); 14220e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 14232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 14242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 14252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 14262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 14272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 14282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 14292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 143080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 14312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 14322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 14342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 14352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14364721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 14374721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 143880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for rx descriptor"); 14398e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ieee80211_free_hw(hw); 14408e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 14414721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 14424721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14438e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return hw; 14442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1445af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_alloc_hw); 14462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14478e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_free_hw(struct wl1251 *wl) 14482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 14492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 14502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 145180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_exit(wl); 14522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 14542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 1455c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo vfree(wl->fw); 14562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 14572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 14582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 14594721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14604721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 14614721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 14624721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 14642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 14662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1467af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_free_hw); 1468af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob Copeland 1469af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); 1470af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_LICENSE("GPL"); 147131c726f0963cd022680dacd0c9f0036d7e12a8b2Kalle ValoMODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>"); 147249f146de405cfb37c51976b8a682330b8cb2972eBen HutchingsMODULE_FIRMWARE(WL1251_FW_NAME); 1473