main.c revision 9bc6772e15d25f58c1be638031280e04514287d4
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 5580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_off(struct wl1251 *wl) 562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(false); 582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_power_on(struct wl1251 *wl) 612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->set_power(true); 632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_fetch_firmware(struct wl1251 *wl) 662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const struct firmware *fw; 686c766f413c81d5a11588552934fa093eab6ae06eBob Copeland struct device *dev = wiphy_dev(wl->hw->wiphy); 692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 710e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = request_firmware(&fw, WL1251_FW_NAME, dev); 722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 7480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not get firmware: %d", ret); 752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (fw->size % 4) { 7980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("firmware size is not multiple of 32 bits: %zu", 802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo fw->size); 812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EILSEQ; 822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw_len = fw->size; 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{ 1552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 1562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 15780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_on(wl); 1580e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo msleep(WL1251_POWER_ON_SLEEP); 15908d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland wl->if_ops->reset(wl); 1602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* We don't need a real memory partition here, because we only want 1622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * to use the registers at this point. */ 16380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_set_partition(wl, 1642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 0x00000000, 1662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_BASE, 1672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo REGISTERS_DOWN_SIZE); 1682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* ELP module wake up */ 17080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_fw_wakeup(wl); 1712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* whal_FwCtrl_BootSm() */ 1732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 0. read chip id from CHIP_ID */ 1750e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->chip_id = wl1251_reg_read32(wl, CHIP_ID_B); 1762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 1. check if chip id is valid */ 1782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1790e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo switch (wl->chip_id) { 1802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG12: 18180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG12)", 1820e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl->chip_id); 1832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 1842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case CHIP_ID_1251_PG11: 1852c759e03b3b7639fff23ec3b7bab64a35ca0914fDavid-John Willis wl1251_debug(DEBUG_BOOT, "chip id 0x%x (1251 PG11)", 1862c759e03b3b7639fff23ec3b7bab64a35ca0914fDavid-John Willis wl->chip_id); 1872c759e03b3b7639fff23ec3b7bab64a35ca0914fDavid-John Willis break; 1889a493e8f4d78fc3f2494fa952500b720c86737d8John W. Linville case CHIP_ID_1251_PG10: 1892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 1900e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_error("unsupported chip id: 0x%x", wl->chip_id); 1912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -ENODEV; 1922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 1942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->fw == NULL) { 19680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_firmware(wl); 1972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 1992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 201afa5ec27f4d69952d4ae11f182258bf53d85fcf5Grazvydas Ignotas if (wl->nvs == NULL && !wl->use_eeprom) { 202afa5ec27f4d69952d4ae11f182258bf53d85fcf5Grazvydas Ignotas /* No NVS from netlink, try to get it from the filesystem */ 20380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_fetch_nvs(wl); 2042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 2052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 2062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 2072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 2082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 2092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 2102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 2112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 212dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto#define WL1251_IRQ_LOOP_COUNT 10 2130e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valostatic void wl1251_irq_work(struct work_struct *work) 2140e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo{ 215dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto u32 intr, ctr = WL1251_IRQ_LOOP_COUNT; 2160e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo struct wl1251 *wl = 2170e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo container_of(work, struct wl1251, irq_work); 2180e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo int ret; 2190e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_lock(&wl->mutex); 2210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2220e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "IRQ work"); 2230e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2240e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (wl->state == WL1251_STATE_OFF) 2250e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out; 2260e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2270e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 2280e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo if (ret < 0) 2290e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo goto out; 2300e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2310e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, WL1251_ACX_INTR_ALL); 2320e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 2330e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); 2340e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_debug(DEBUG_IRQ, "intr: 0x%x", intr); 2350e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 236dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto do { 237dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (wl->data_path) { 238dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_counter = wl1251_mem_read32( 239dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl, wl->data_path->rx_control_addr); 240dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto 241dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto /* We handle a frmware bug here */ 242dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto switch ((wl->rx_counter - wl->rx_handled) & 0xf) { 243dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto case 0: 244dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, 245dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto "RX: FW and host in sync"); 246dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= ~WL1251_ACX_INTR_RX0_DATA; 247dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= ~WL1251_ACX_INTR_RX1_DATA; 248dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 249dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto case 1: 250dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "RX: FW +1"); 251dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr |= WL1251_ACX_INTR_RX0_DATA; 252dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= ~WL1251_ACX_INTR_RX1_DATA; 253dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 254dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto case 2: 255dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "RX: FW +2"); 256dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr |= WL1251_ACX_INTR_RX0_DATA; 257dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr |= WL1251_ACX_INTR_RX1_DATA; 258dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 259dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto default: 260dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_warning( 261dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto "RX: FW and host out of sync: %d", 262dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_counter - wl->rx_handled); 263dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto break; 264dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 265dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto 266dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_handled = wl->rx_counter; 267dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto 268dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "RX counter: %d", 269dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl->rx_counter); 2700e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo } 2710e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 272dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto intr &= wl->intr_mask; 2730e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 274dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr == 0) { 275dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "INTR is 0"); 276dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto goto out_sleep; 277dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2780e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 279dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_RX0_DATA) { 280dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX0_DATA"); 281dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_rx(wl); 282dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2830e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 284dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_RX1_DATA) { 285dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_RX1_DATA"); 286dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_rx(wl); 287dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2880e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 289dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_TX_RESULT) { 290dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_TX_RESULT"); 291dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_tx_complete(wl); 292dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 2930e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 294d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas if (intr & WL1251_ACX_INTR_EVENT_A) { 295d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_A"); 296d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_event_handle(wl, 0); 297d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas } 298d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas 299d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas if (intr & WL1251_ACX_INTR_EVENT_B) { 300d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_debug(DEBUG_IRQ, "WL1251_ACX_INTR_EVENT_B"); 301d41776fad4c6601c1711d4e454291efd6687addbGrazvydas Ignotas wl1251_event_handle(wl, 1); 302dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto } 3030e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 304dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto if (intr & WL1251_ACX_INTR_INIT_COMPLETE) 305dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_debug(DEBUG_IRQ, 306dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto "WL1251_ACX_INTR_INIT_COMPLETE"); 3070e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 30879553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen if (--ctr == 0) 30979553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen break; 3100e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 31179553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen intr = wl1251_reg_read32(wl, ACX_REG_INTERRUPT_CLEAR); 31279553f82c993ed511450748f01e16e4dccdc8c02Juuso Oikarinen } while (intr); 3130e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3140e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout_sleep: 315dcea4dbe54f5bbea2ef0bb265072754ccd934a1eJanne Ylalehto wl1251_reg_write32(wl, ACX_REG_INTERRUPT_MASK, ~(wl->intr_mask)); 3160e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_ps_elp_sleep(wl); 3170e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 3180e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valoout: 3190e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo mutex_unlock(&wl->mutex); 3200e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo} 3210e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 322ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valostatic int wl1251_join(struct wl1251 *wl, u8 bss_type, u8 channel, 323ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo u16 beacon_interval, u8 dtim_period) 324ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo{ 325ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo int ret; 326ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 327ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_acx_frame_rates(wl, DEFAULT_HW_GEN_TX_RATE, 328ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo DEFAULT_HW_GEN_MODULATION_TYPE, 329ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->tx_mgmt_frm_rate, 330ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->tx_mgmt_frm_mod); 331ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo if (ret < 0) 332ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo goto out; 333ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 334ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 335ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_cmd_join(wl, bss_type, channel, beacon_interval, 336ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo dtim_period); 337ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo if (ret < 0) 338ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo goto out; 339ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 3407273b9700b74e8c26b612207aea47effb0e530bfGrazvydas Ignotas ret = wl1251_event_wait(wl, JOIN_EVENT_COMPLETE_ID, 100); 3417273b9700b74e8c26b612207aea47effb0e530bfGrazvydas Ignotas if (ret < 0) 3427273b9700b74e8c26b612207aea47effb0e530bfGrazvydas Ignotas wl1251_warning("join timeout"); 343ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 344ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valoout: 345ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo return ret; 346ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo} 347ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo 34880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_filter_work(struct work_struct *work) 3492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 35080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = 35180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo container_of(work, struct wl1251, filter_work); 3522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 3532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 3552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 35680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state == WL1251_STATE_OFF) 3572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 3582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 35980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 360c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 361c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 36201d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 363ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, wl->beacon_int, 364ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->dtim_period); 3652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 366c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 3672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 368c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 36980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 370c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 371c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 3722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 3732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 3742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 37580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 3762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 37780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 3789df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli unsigned long flags; 3792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_tail(&wl->tx_queue, skb); 3812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3829f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen /* 3839f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * The chip specific setup must run before the first TX packet - 3849f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen * before that, the tx_work will not be initialized! 3859f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen */ 3869f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen 38716e711f9ed16e32126270652d79225836a7062cbKalle Valo ieee80211_queue_work(wl->hw, &wl->tx_work); 3882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 3902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * The workqueue is slow to process the tx_queue and we need stop 3912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * the queue here, otherwise the queue will get too long. 3922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 3939df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli if (skb_queue_len(&wl->tx_queue) >= WL1251_TX_QUEUE_HIGH_WATERMARK) { 394d67e261829d405ed19a6c2e648f224e352012f52Kalle Valo wl1251_debug(DEBUG_TX, "op_tx: tx_queue full, stop queues"); 3952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 3969df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli spin_lock_irqsave(&wl->wl_lock, flags); 3979df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli ieee80211_stop_queues(wl->hw); 3982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = true; 3999df86e2e702c6d5547aced7f241addd2d698bb11Denis 'GNUtoo' Carikli spin_unlock_irqrestore(&wl->wl_lock, flags); 4002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return NETDEV_TX_OK; 4032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 40580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_start(struct ieee80211_hw *hw) 4062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 40780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4088b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville struct wiphy *wiphy = hw->wiphy; 4092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 4102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 start"); 4122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 41580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo if (wl->state != WL1251_STATE_OFF) { 41680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("cannot start because not in off state: %d", 4172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->state); 4182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EBUSY; 4192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 42280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_chip_wakeup(wl); 4232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 424fe643414dbf330d6d910e01edd48dd93dc6f2942Jiri Slaby goto out; 4252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4260e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_boot(wl); 4272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4300e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo ret = wl1251_hw_init(wl); 4312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 4352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 4362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 4372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 43880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_ON; 4392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4400e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_info("firmware booted (%s)", wl->fw_ver); 4412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4428b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville /* update hw/fw version info in wiphy struct */ 4438b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville wiphy->hw_version = wl->chip_id; 4448b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville strncpy(wiphy->fw_version, wl->fw_ver, sizeof(wiphy->fw_version)); 4458b28e82224321d6fdabadd7d6ddc4bd28a3b5490John W. Linville 4462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 4472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 44880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 4532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 4542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_stop(struct ieee80211_hw *hw) 4562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 45780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 4582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 45980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_info("down"); 4602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 stop"); 4622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 46580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo WARN_ON(wl->state != WL1251_STATE_ON); 4662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->scanning) { 4682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_scan_completed(wl->hw, true); 4692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 4702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 4712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 4732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 47480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_disable_interrupts(wl); 4752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 4772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->irq_work); 4792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->tx_work); 4802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo cancel_work_sync(&wl->filter_work); 4812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 4832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* let's notify MAC80211 about the remaining pending TX frames */ 4850e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo wl1251_tx_flush(wl); 48680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_power_off(wl); 4872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl->bssid, 0, ETH_ALEN); 4892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 4902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = MAX_BSS_TYPE; 4912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 4922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 4932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 4942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 4952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 4962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 4972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 4982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 4992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 5002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 50180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 5029780279c60c32cb5f14531aa34ae991bb714c90cKalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 5032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 50480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_reset(wl); 5052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 50980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_add_interface(struct ieee80211_hw *hw, 5101ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 5112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 51280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret = 0; 5142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 515e91d83346ad9b30f44469c92b982206dcd7dcaf0Johannes Berg wl1251_debug(DEBUG_MAC80211, "mac80211 add interface type %d mac %pM", 5161ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg vif->type, vif->addr); 5172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 519287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen if (wl->vif) { 520287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen ret = -EBUSY; 521287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen goto out; 522287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen } 523287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen 5241ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg wl->vif = vif; 5252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5261ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg switch (vif->type) { 5272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_STATION: 5282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_STA_BSS; 5292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 5302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case NL80211_IFTYPE_ADHOC: 5312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->bss_type = BSS_TYPE_IBSS; 5322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 5332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 5342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = -EOPNOTSUPP; 5352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5381ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg if (memcmp(wl->mac_addr, vif->addr, ETH_ALEN)) { 5391ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg memcpy(wl->mac_addr, vif->addr, ETH_ALEN); 5402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 54180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_station_id(wl); 5422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 5432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo goto out; 5442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 5452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valoout: 5472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 5482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 5492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 55180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_remove_interface(struct ieee80211_hw *hw, 5521ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 5532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 554287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen struct wl1251 *wl = hw->priv; 555287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen 556287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen mutex_lock(&wl->mutex); 55780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 remove interface"); 558287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = NULL; 559287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen mutex_unlock(&wl->mutex); 5602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 5612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5628f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valostatic int wl1251_build_qos_null_data(struct wl1251 *wl) 5638f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo{ 5648f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo struct ieee80211_qos_hdr template; 5658f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5668f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memset(&template, 0, sizeof(template)); 5678f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5688f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memcpy(template.addr1, wl->bssid, ETH_ALEN); 5698f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memcpy(template.addr2, wl->mac_addr, ETH_ALEN); 5708f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo memcpy(template.addr3, wl->bssid, ETH_ALEN); 5718f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5728f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA | 5738f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo IEEE80211_STYPE_QOS_NULLFUNC | 5748f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo IEEE80211_FCTL_TODS); 5758f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5768f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo /* FIXME: not sure what priority to use here */ 5778f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo template.qos_ctrl = cpu_to_le16(0); 5788f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 5798f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo return wl1251_cmd_template_set(wl, CMD_QOS_NULL_DATA, &template, 5808f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo sizeof(template)); 5818f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo} 5828f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 58380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_config(struct ieee80211_hw *hw, u32 changed) 5842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 58580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 5862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_conf *conf = &hw->conf; 5872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int channel, ret = 0; 5882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel = ieee80211_frequency_to_channel(conf->channel->center_freq); 5902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 59180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 config ch %d psm %s power %d", 5922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo channel, 5932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->flags & IEEE80211_CONF_PS ? "on" : "off", 5942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo conf->power_level); 5952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 5962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 5972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 59880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 599c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 600c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 60101d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 6022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (channel != wl->channel) { 603fe9a98460b6c8dac47d0e34bcb04850193d41565Kalle Valo wl->channel = channel; 604fe9a98460b6c8dac47d0e34bcb04850193d41565Kalle Valo 605ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, 606ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->beacon_int, wl->dtim_period); 6072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 608c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 6092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->flags & IEEE80211_CONF_PS && !wl->psm_requested) { 61247af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm enabled"); 6132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = true; 6152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 61656007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg wl->dtim_period = conf->ps_dtim_period; 61756007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 61856007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg ret = wl1251_acx_wr_tbtt_and_dtim(wl, wl->beacon_int, 61956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg wl->dtim_period); 62056007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg 6212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 62256007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg * mac80211 enables PSM only if we're already associated. 6232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 62480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); 625478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo if (ret < 0) 626478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo goto out_sleep; 6272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else if (!(conf->flags & IEEE80211_CONF_PS) && 6282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested) { 62947af3fe36dc478f7eddc8bec104ff1876d71f37cLuciano Coelho wl1251_debug(DEBUG_PSM, "psm disabled"); 6302f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 6322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 633478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo if (wl->psm) { 63480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); 635478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo if (ret < 0) 636478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo goto out_sleep; 637478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo } 6382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (conf->power_level != wl->power_level) { 64180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_tx_power(wl, conf->power_level); 6422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 643478fdf2bcef73747eb99bc6dd3565f093942647aKalle Valo goto out_sleep; 6442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->power_level = conf->power_level; 6462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 648c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 64980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 650c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 651c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 6522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 653c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 6542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 6552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 6562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 65780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo#define WL1251_SUPPORTED_FILTERS (FIF_PROMISC_IN_BSS | \ 6582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_ALLMULTI | \ 6592f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_FCSFAIL | \ 6602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_BCN_PRBRESP_PROMISC | \ 6612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_CONTROL | \ 6622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo FIF_OTHER_BSS) 6632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 66480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_configure_filter(struct ieee80211_hw *hw, 6652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo unsigned int changed, 6663ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg unsigned int *total,u64 multicast) 6672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 66880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 6692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 67080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 configure filter"); 6712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 67280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo *total &= WL1251_SUPPORTED_FILTERS; 67380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo changed &= WL1251_SUPPORTED_FILTERS; 6742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed == 0) 6762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* no filters which we support changed */ 6772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return; 6782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: wl->rx_config and wl->rx_filter are not protected */ 6802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 68180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 68280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 6832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 6842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_PROMISC_IN_BSS) { 6852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_BSSID_FILTER_EN; 6862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config |= CFG_RX_ALL_GOOD; 6872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 6882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_ALLMULTI) 6892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 6902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * CFG_MC_FILTER_EN in rx_config needs to be 0 to receive 6912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * all multicast frames 6922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 6932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_MC_FILTER_EN; 6942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_FCSFAIL) 6952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_FCS_ERROR; 6962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_BCN_PRBRESP_PROMISC) { 6972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_BSSID_FILTER_EN; 6982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_config &= ~CFG_SSID_FILTER_EN; 6992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_CONTROL) 7012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter |= CFG_RX_CTL_EN; 7022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (*total & FIF_OTHER_BSS) 7032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_filter &= ~CFG_BSSID_FILTER_EN; 7042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 7062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * FIXME: workqueues need to be properly cancelled on stop(), for 7072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * now let's just disable changing the filter settings. They will 7082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * be updated any on config(). 7092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 7102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* schedule_work(&wl->filter_work); */ 7112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* HW encryption */ 71480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_set_key_type(struct wl1251 *wl, 71580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *key, 7162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo enum set_key_cmd cmd, 7172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *mac80211_key, 7182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr) 7192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 72097359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg switch (mac80211_key->cipher) { 72197359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_WEP40: 72297359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_WEP104: 7232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_DEFAULT; 7252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_WEP_ADDR; 7272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 7292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 73097359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_TKIP: 7312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7322f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_GROUP; 7332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_TKIP_MIC_PAIRWISE; 7352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->hw_key_idx = mac80211_key->keyidx; 7372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 73897359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg case WLAN_CIPHER_SUITE_CCMP: 7392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (is_broadcast_ether_addr(addr)) 7402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_GROUP; 7412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 7422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo key->key_type = KEY_AES_PAIRWISE; 7432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mac80211_key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV; 7442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 74697359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg wl1251_error("Unknown key cipher 0x%x", mac80211_key->cipher); 7472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return -EOPNOTSUPP; 7482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 7492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 7512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 7522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 75380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, 7542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 7552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_sta *sta, 7562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_key_conf *key) 7572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 75880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 75980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251_cmd_set_keys *wl_cmd; 7602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo const u8 *addr; 7612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 7622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 bcast_addr[ETH_ALEN] = 7642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; 7652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 76680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 set key"); 7672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 768ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd = kzalloc(sizeof(*wl_cmd), GFP_KERNEL); 769ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (!wl_cmd) { 770ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -ENOMEM; 771ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 772ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 7732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 7742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo addr = sta ? sta->addr : bcast_addr; 7752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 77680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "CMD: 0x%x", cmd); 77780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "ADDR: ", addr, ETH_ALEN); 77880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_CRYPT, "Key: algo:0x%x, id:%d, len:%d flags 0x%x", 77997359d1235eaf634fe706c9faa6e40181cc95fb8Johannes Berg key->cipher, key->keyidx, key->keylen, key->flags); 78080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "KEY: ", key->key, key->keylen); 7812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 782ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (is_zero_ether_addr(addr)) { 783ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo /* We dont support TX only encryption */ 784ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo ret = -EOPNOTSUPP; 785ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo goto out; 786ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo } 787ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 7882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 7892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 79080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 791c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 792c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_unlock; 79301d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 7942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo switch (cmd) { 7952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case SET_KEY: 796ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_ADD_OR_REPLACE; 7972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 7982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo case DISABLE_KEY: 799ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_action = KEY_REMOVE; 8002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo default: 80280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Unsupported key cmd 0x%x", cmd); 8032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo break; 8042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 80680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_set_key_type(wl, wl_cmd, cmd, key, addr); 8072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 80880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("Set KEY type failed"); 809c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 812ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (wl_cmd->key_type != KEY_WEP_DEFAULT) 813ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->addr, addr, ETH_ALEN); 8142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 815ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if ((wl_cmd->key_type == KEY_TKIP_MIC_GROUP) || 816ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo (wl_cmd->key_type == KEY_TKIP_MIC_PAIRWISE)) { 8172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 8182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * We get the key in the following form: 8192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes) 8202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * but the target is expecting: 8212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * TKIP - RX MIC - TX MIC 8222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 823ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, 16); 824ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 16, key->key + 24, 8); 825ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key + 24, key->key + 16, 8); 8262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } else { 828ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo memcpy(wl_cmd->key, key->key, key->keylen); 8292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 830ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->key_size = key->keylen; 8312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 832ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->id = key->keyidx; 833ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo wl_cmd->ssid_profile = 0; 8342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 83580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_dump(DEBUG_CRYPT, "TARGET KEY: ", wl_cmd, sizeof(*wl_cmd)); 8362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 83780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_send(wl, CMD_SET_KEYS, wl_cmd, sizeof(*wl_cmd)); 838ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo if (ret < 0) { 83980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("could not set keys"); 840c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 8412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 843c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 84480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 845c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 846c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_unlock: 8472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 848ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 849ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valoout: 850ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo kfree(wl_cmd); 851ff25839bf0c99e828c26864a24417a36a6b6a31eKalle Valo 8522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 8532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 8542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 85580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_hw_scan(struct ieee80211_hw *hw, 856a060bbfe4ee95d115e8f9705a66894ac34e2c475Johannes Berg struct ieee80211_vif *vif, 8572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct cfg80211_scan_request *req) 8582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 85980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 860e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo struct sk_buff *skb; 8612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo size_t ssid_len = 0; 8623a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo u8 *ssid = NULL; 8633a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo int ret; 8642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 86580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan"); 8662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (req->n_ssids) { 8682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid = req->ssids[0].ssid; 8692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ssid_len = req->ssids[0].ssid_len; 8702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 8712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 8722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 873c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 8743a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (wl->scanning) { 8753a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo wl1251_debug(DEBUG_SCAN, "scan already in progress"); 8763a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo ret = -EINVAL; 8773a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo goto out; 8783a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo } 8793a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 88080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 881c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 882c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 88301d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 884e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len, 885e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo req->ie, req->ie_len); 886e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo if (!skb) { 887e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo ret = -ENOMEM; 888e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo goto out; 889e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo } 890e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo 891e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_REQ, skb->data, 892e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo skb->len); 893e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo dev_kfree_skb(skb); 8943a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (ret < 0) 895e477c56e852c4c6db1f7665c642c9f45f76616a9Kalle Valo goto out_sleep; 8963a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 8973a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo ret = wl1251_cmd_trigger_scan_to(wl, 0); 8983a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (ret < 0) 8993a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo goto out_sleep; 9003a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 9013a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo wl->scanning = true; 90201d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 903dc52f0a8e50303eb67ff8856cd8d1b461462ceecKalle Valo ret = wl1251_cmd_scan(wl, ssid, ssid_len, req->channels, 904dc52f0a8e50303eb67ff8856cd8d1b461462ceecKalle Valo req->n_channels, WL1251_SCAN_NUM_PROBES); 9053a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo if (ret < 0) { 9063a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo wl->scanning = false; 9073a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo goto out_sleep; 9083a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo } 9093a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valo 9103a98c30f3e8bb1f32b5bcb74a39647b3670de275Kalle Valoout_sleep: 91180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 912c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 913c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 9142f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 9152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 91980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_op_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 9202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 92180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 9222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 924cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_lock(&wl->mutex); 925cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 92680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 927c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 928c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 92901d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 93080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_rts_threshold(wl, (u16) value); 9312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 93280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("wl1251_op_set_rts_threshold failed: %d", ret); 9332f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 93480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 93501d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 936c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 937cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo mutex_unlock(&wl->mutex); 938cee4fd2712a3db21f432bdff14e59aed160453b2Kalle Valo 9392f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 9402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 9412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 94280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic void wl1251_op_bss_info_changed(struct ieee80211_hw *hw, 9432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_vif *vif, 9442f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_bss_conf *bss_conf, 9452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo u32 changed) 9462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 94780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl = hw->priv; 948f7f70579340dba1e551c0e52349fde0370592174Kalle Valo struct sk_buff *beacon, *skb; 9492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 9502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 95180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 bss info changed"); 9522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 9532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_lock(&wl->mutex); 9542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 95580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 956c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo if (ret < 0) 957c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out; 95801d9cfbdaadc64a46b57437c989bbad241074135Kalle Valo 959de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (changed & BSS_CHANGED_BSSID) { 960de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo memcpy(wl->bssid, bss_conf->bssid, ETH_ALEN); 961de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo 962f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb = ieee80211_nullfunc_get(wl->hw, wl->vif); 963f7f70579340dba1e551c0e52349fde0370592174Kalle Valo if (!skb) 964f7f70579340dba1e551c0e52349fde0370592174Kalle Valo goto out_sleep; 965f7f70579340dba1e551c0e52349fde0370592174Kalle Valo 966f7f70579340dba1e551c0e52349fde0370592174Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_NULL_DATA, 967f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb->data, skb->len); 968f7f70579340dba1e551c0e52349fde0370592174Kalle Valo dev_kfree_skb(skb); 969de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (ret < 0) 97080a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 971de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo 9728f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo ret = wl1251_build_qos_null_data(wl); 9738f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo if (ret < 0) 9748f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo goto out; 9758f8ff91652fcf62b9fced5387956b4b269fde634Kalle Valo 976de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (wl->bss_type != BSS_TYPE_IBSS) { 977de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->channel, 978de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo wl->beacon_int, wl->dtim_period); 979de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo if (ret < 0) 980de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo goto out_sleep; 981de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo } 982de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo } 983de8df1ea489d80106ea82d4a6323e83d376913fbKalle Valo 9842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ASSOC) { 9852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->assoc) { 986e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = bss_conf->beacon_int; 9872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 988f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb = ieee80211_pspoll_get(wl->hw, wl->vif); 989f7f70579340dba1e551c0e52349fde0370592174Kalle Valo if (!skb) 990f7f70579340dba1e551c0e52349fde0370592174Kalle Valo goto out_sleep; 991f7f70579340dba1e551c0e52349fde0370592174Kalle Valo 992f7f70579340dba1e551c0e52349fde0370592174Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PS_POLL, 993f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb->data, 994f7f70579340dba1e551c0e52349fde0370592174Kalle Valo skb->len); 995f7f70579340dba1e551c0e52349fde0370592174Kalle Valo dev_kfree_skb(skb); 9962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 997c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 9982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 99956007a028c51cbf800a6c969d6f6431d23443b99Johannes Berg ret = wl1251_acx_aid(wl, bss_conf->aid); 10002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 1001c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 1002e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo } else { 1003e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo /* use defaults when not associated */ 1004e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = WL1251_DEFAULT_BEACON_INT; 1005e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; 10062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_SLOT) { 10092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_slot) 101080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_SHORT); 10112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 101280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_slot(wl, SLOT_TIME_LONG); 10132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 101480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set slot time failed %d", ret); 1015c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo goto out_sleep; 10162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_PREAMBLE) { 10202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_short_preamble) 102180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_SHORT); 10222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 102380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_acx_set_preamble(wl, ACX_PREAMBLE_LONG); 10242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_ERP_CTS_PROT) { 10272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (bss_conf->use_cts_prot) 102880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_ENABLE); 10292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo else 103080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_acx_cts_protect(wl, CTSPROTECT_DISABLE); 10312f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 103280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_warning("Set ctsprotect failed %d", ret); 103380a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10342f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10352f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (changed & BSS_CHANGED_BEACON) { 10382f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon = ieee80211_beacon_get(hw, vif); 103980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_BEACON, beacon->data, 10402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10422f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 10432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 104480a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10452f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 104780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo ret = wl1251_cmd_template_set(wl, CMD_PROBE_RESP, beacon->data, 10482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo beacon->len); 10492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo dev_kfree_skb(beacon); 10512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 105380a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1055ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo ret = wl1251_join(wl, wl->bss_type, wl->beacon_int, 1056ae46ae17d1d8b953eb5859764737c065e4e3c86bKalle Valo wl->channel, wl->dtim_period); 10572f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10582f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) 105980a112ffe8dbada25f3780ecc4beebf23451d755Kalle Valo goto out_sleep; 10602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 10612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1062c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout_sleep: 106380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_ps_elp_sleep(wl); 1064c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valo 1065c5483b71936333ba9474f57d0f3a7a7abf9b87a0Kalle Valoout: 10662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_unlock(&wl->mutex); 10672f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 10682f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 10702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 107180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_rate wl1251_rates[] = { 10722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 10, 10732f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1, 10742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1, }, 10752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 20, 10762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x2, 10772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x2, 10782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 55, 10802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x4, 10812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x4, 10822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 110, 10842f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x20, 10852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x20, 10862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .flags = IEEE80211_RATE_SHORT_PREAMBLE }, 10872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 60, 10882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x8, 10892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x8, }, 10902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 90, 10912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x10, 10922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x10, }, 10932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 120, 10942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x40, 10952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x40, }, 10962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 180, 10972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x80, 10982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x80, }, 10992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 240, 11002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x200, 11012f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x200, }, 11022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 360, 11032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x400, 11042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x400, }, 11052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 480, 11062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x800, 11072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x800, }, 11082f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .bitrate = 540, 11092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value = 0x1000, 11102f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo .hw_value_short = 0x1000, }, 11112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 11132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 111480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_channel wl1251_channels[] = { 11152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 1, .center_freq = 2412}, 11162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 2, .center_freq = 2417}, 11172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 3, .center_freq = 2422}, 11182f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 4, .center_freq = 2427}, 11192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 5, .center_freq = 2432}, 11202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 6, .center_freq = 2437}, 11212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 7, .center_freq = 2442}, 11222f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 8, .center_freq = 2447}, 11232f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 9, .center_freq = 2452}, 11242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 10, .center_freq = 2457}, 11252f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 11, .center_freq = 2462}, 11262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 12, .center_freq = 2467}, 11272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo { .hw_value = 13, .center_freq = 2472}, 11282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 113086dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valostatic int wl1251_op_conf_tx(struct ieee80211_hw *hw, u16 queue, 113186dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo const struct ieee80211_tx_queue_params *params) 113286dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo{ 11334ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo enum wl1251_acx_ps_scheme ps_scheme; 113486dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo struct wl1251 *wl = hw->priv; 113586dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo int ret; 113686dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 113786dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo mutex_lock(&wl->mutex); 113886dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 113986dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo wl1251_debug(DEBUG_MAC80211, "mac80211 conf tx %d", queue); 114086dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 114186dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo ret = wl1251_ps_elp_wakeup(wl); 114286dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo if (ret < 0) 114386dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo goto out; 114486dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 114585359499eec796e784e2f1e3d7bbb31d84dd4c2bKalle Valo /* mac80211 uses units of 32 usec */ 114686dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo ret = wl1251_acx_ac_cfg(wl, wl1251_tx_get_queue(queue), 114786dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo params->cw_min, params->cw_max, 114885359499eec796e784e2f1e3d7bbb31d84dd4c2bKalle Valo params->aifs, params->txop * 32); 114927336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo if (ret < 0) 115027336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo goto out_sleep; 115127336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo 11524ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo if (params->uapsd) 11534ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo ps_scheme = WL1251_ACX_PS_SCHEME_UPSD_TRIGGER; 11544ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo else 11554ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo ps_scheme = WL1251_ACX_PS_SCHEME_LEGACY; 11564ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo 115727336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo ret = wl1251_acx_tid_cfg(wl, wl1251_tx_get_queue(queue), 115849e1b9faed736b20ad9a785638919341b567a595Kalle Valo CHANNEL_TYPE_EDCF, 11594ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo wl1251_tx_get_queue(queue), ps_scheme, 116027336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo WL1251_ACX_ACK_POLICY_LEGACY); 116127336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo if (ret < 0) 116227336f1c0cd68fb9ae45493321f0d6980144230eKalle Valo goto out_sleep; 116386dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 116427336f1c0cd68fb9ae45493321f0d6980144230eKalle Valoout_sleep: 116586dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo wl1251_ps_elp_sleep(wl); 116686dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 116786dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valoout: 116886dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo mutex_unlock(&wl->mutex); 116986dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 117086dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo return ret; 117186dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo} 117286dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo 117319434148d16dc231026f37af7c40e81ad9342e75John W. Linvillestatic int wl1251_op_get_survey(struct ieee80211_hw *hw, int idx, 117419434148d16dc231026f37af7c40e81ad9342e75John W. Linville struct survey_info *survey) 117519434148d16dc231026f37af7c40e81ad9342e75John W. Linville{ 117619434148d16dc231026f37af7c40e81ad9342e75John W. Linville struct wl1251 *wl = hw->priv; 117719434148d16dc231026f37af7c40e81ad9342e75John W. Linville struct ieee80211_conf *conf = &hw->conf; 117819434148d16dc231026f37af7c40e81ad9342e75John W. Linville 117919434148d16dc231026f37af7c40e81ad9342e75John W. Linville if (idx != 0) 118019434148d16dc231026f37af7c40e81ad9342e75John W. Linville return -ENOENT; 118119434148d16dc231026f37af7c40e81ad9342e75John W. Linville 118219434148d16dc231026f37af7c40e81ad9342e75John W. Linville survey->channel = conf->channel; 118319434148d16dc231026f37af7c40e81ad9342e75John W. Linville survey->filled = SURVEY_INFO_NOISE_DBM; 118419434148d16dc231026f37af7c40e81ad9342e75John W. Linville survey->noise = wl->noise; 118519434148d16dc231026f37af7c40e81ad9342e75John W. Linville 118619434148d16dc231026f37af7c40e81ad9342e75John W. Linville return 0; 118719434148d16dc231026f37af7c40e81ad9342e75John W. Linville} 118819434148d16dc231026f37af7c40e81ad9342e75John W. Linville 11892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo/* can't be const, mac80211 writes to this */ 119080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic struct ieee80211_supported_band wl1251_band_2ghz = { 119180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .channels = wl1251_channels, 119280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_channels = ARRAY_SIZE(wl1251_channels), 119380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bitrates = wl1251_rates, 119480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .n_bitrates = ARRAY_SIZE(wl1251_rates), 11952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 11962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 119780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic const struct ieee80211_ops wl1251_ops = { 119880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .start = wl1251_op_start, 119980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .stop = wl1251_op_stop, 120080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .add_interface = wl1251_op_add_interface, 120180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .remove_interface = wl1251_op_remove_interface, 120280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .config = wl1251_op_config, 120380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .configure_filter = wl1251_op_configure_filter, 120480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .tx = wl1251_op_tx, 120580301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_key = wl1251_op_set_key, 120680301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .hw_scan = wl1251_op_hw_scan, 120780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .bss_info_changed = wl1251_op_bss_info_changed, 120880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo .set_rts_threshold = wl1251_op_set_rts_threshold, 120986dff7a7955f1e14c1f2c142312462fae70ea7e4Kalle Valo .conf_tx = wl1251_op_conf_tx, 121019434148d16dc231026f37af7c40e81ad9342e75John W. Linville .get_survey = wl1251_op_get_survey, 12112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo}; 12122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 121361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotasstatic int wl1251_read_eeprom_byte(struct wl1251 *wl, off_t offset, u8 *data) 121461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas{ 121561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas unsigned long timeout; 121661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 121761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_reg_write32(wl, EE_ADDR, offset); 121861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_reg_write32(wl, EE_CTL, EE_CTL_READ); 121961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 122061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas /* EE_CTL_READ clears when data is ready */ 122161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas timeout = jiffies + msecs_to_jiffies(100); 122261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas while (1) { 122361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (!(wl1251_reg_read32(wl, EE_CTL) & EE_CTL_READ)) 122461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas break; 122561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 122661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (time_after(jiffies, timeout)) 122761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return -ETIMEDOUT; 122861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 122961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas msleep(1); 123061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas } 123161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 123261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas *data = wl1251_reg_read32(wl, EE_DATA); 123361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return 0; 123461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas} 123561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 123661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotasstatic int wl1251_read_eeprom(struct wl1251 *wl, off_t offset, 123761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas u8 *data, size_t len) 123861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas{ 123961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas size_t i; 124061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas int ret; 124161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 124261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_reg_write32(wl, EE_START, 0); 124361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 124461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas for (i = 0; i < len; i++) { 124561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas ret = wl1251_read_eeprom_byte(wl, offset + i, &data[i]); 124661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (ret < 0) 124761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return ret; 124861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas } 124961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 125061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return 0; 125161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas} 125261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 125361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotasstatic int wl1251_read_eeprom_mac(struct wl1251 *wl) 125461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas{ 125561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas u8 mac[ETH_ALEN]; 125661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas int i, ret; 125761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 125861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_set_partition(wl, 0, 0, REGISTERS_BASE, REGISTERS_DOWN_SIZE); 125961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 126061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas ret = wl1251_read_eeprom(wl, 0x1c, mac, sizeof(mac)); 126161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (ret < 0) { 126261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_warning("failed to read MAC address from EEPROM"); 126361c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return ret; 126461c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas } 126561c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 126661c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas /* MAC is stored in reverse order */ 126761c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas for (i = 0; i < ETH_ALEN; i++) 126861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl->mac_addr[i] = mac[ETH_ALEN - i - 1]; 126961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 127061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas return 0; 127161c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas} 127261c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 127380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valostatic int wl1251_register_hw(struct wl1251 *wl) 12742f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 12752f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo int ret; 12762f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (wl->mac80211_registered) 12782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 12792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo SET_IEEE80211_PERM_ADDR(wl->hw, wl->mac_addr); 12812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ret = ieee80211_register_hw(wl->hw); 12832f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (ret < 0) { 128480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("unable to register mac80211 hw: %d", ret); 12852f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return ret; 12862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 12872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->mac80211_registered = true; 12892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 129080301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_notice("loaded"); 12912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 12932f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 12942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 12958e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_init_ieee80211(struct wl1251 *wl) 12962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 12978e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int ret; 12988e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 12992f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* The tx descriptor buffer and the TKIP space */ 13002f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->extra_tx_headroom = sizeof(struct tx_double_buffer_desc) 13019f2ad4fb52916e58a1b75e9a30f42638655932d3Juuso Oikarinen + WL1251_TKIP_IV_SPACE; 13022f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13032f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* unit us */ 13042f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* FIXME: find a proper value */ 13052f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->channel_change_time = 10000; 13062f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->flags = IEEE80211_HW_SIGNAL_DBM | 13086b21a2cd315e2e56a1748bd3ef9d910fe4f2e711Juuso Oikarinen IEEE80211_HW_SUPPORTS_PS | 13094ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo IEEE80211_HW_BEACON_FILTER | 13104ff6ffa107ba1c6ba9a1cc75a1f304eaa79e8bf4Kalle Valo IEEE80211_HW_SUPPORTS_UAPSD; 13112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 13132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw->wiphy->max_scan_ssids = 1; 131480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl1251_band_2ghz; 13152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 1316da2fb4e9c215b8f0f8954818691549f8a34135beKalle Valo wl->hw->queues = 4; 1317da2fb4e9c215b8f0f8954818691549f8a34135beKalle Valo 131861c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas if (wl->use_eeprom) 131961c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas wl1251_read_eeprom_mac(wl); 132061c2a80b960361a930a4e3c4c0df694713b9dafdGrazvydas Ignotas 13218e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = wl1251_register_hw(wl); 13228e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland if (ret) 13238e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland goto out; 13242f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13258e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_debugfs_init(wl); 13268e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland wl1251_notice("initialized"); 13272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13288e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ret = 0; 13298e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland 13308e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandout: 13318e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ret; 13328e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland} 1333af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_init_ieee80211); 133408d9f57251841e4870cfd286e867ffcbef81d9a4Bob Copeland 13358e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandstruct ieee80211_hw *wl1251_alloc_hw(void) 13362f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 13372f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo struct ieee80211_hw *hw; 133880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo struct wl1251 *wl; 13398e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland int i; 13402f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo static const u8 nokia_oui[3] = {0x00, 0x1f, 0xdf}; 13412f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 134280301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo hw = ieee80211_alloc_hw(sizeof(*wl), &wl1251_ops); 13432f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo if (!hw) { 134480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not alloc ieee80211_hw"); 13458e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 13462f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo } 13472f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13482f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl = hw->priv; 13492f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memset(wl, 0, sizeof(*wl)); 13502f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13512f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->hw = hw; 13522f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13532f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->data_in_count = 0; 13542f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13552f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo skb_queue_head_init(&wl->tx_queue); 13562f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 135780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo INIT_WORK(&wl->filter_work, wl1251_filter_work); 1358d5da79ac1f5050cccaa68d814ccce292371f25faJuuso Oikarinen INIT_DELAYED_WORK(&wl->elp_work, wl1251_elp_work); 135980301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->channel = WL1251_DEFAULT_CHANNEL; 13602f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->scanning = false; 13612f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->default_key = 0; 13622f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->listen_int = 1; 13632f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_counter = 0; 13642f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_handled = 0; 13652f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_current_buffer = 0; 13662f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->rx_last_id = 0; 136780301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_config = WL1251_DEFAULT_RX_CONFIG; 136880301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->rx_filter = WL1251_DEFAULT_RX_FILTER; 13692f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->elp = false; 13702f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm = 0; 13712f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->psm_requested = false; 13722f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_queue_stopped = false; 137380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->power_level = WL1251_DEFAULT_POWER_LEVEL; 1374e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->beacon_int = WL1251_DEFAULT_BEACON_INT; 1375e2fd4611d50a1cd13a370f84b672a5f29472ee09Kalle Valo wl->dtim_period = WL1251_DEFAULT_DTIM_PERIOD; 1376287f6f9672635f4e948c0aa96754a2ce448ebdb2Juuso Oikarinen wl->vif = NULL; 13772f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13782f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo for (i = 0; i < FW_TX_CMPLT_BLOCK_SIZE; i++) 13792f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_frames[i] = NULL; 13802f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13812f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->next_tx_complete = 0; 13822f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13830e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->irq_work, wl1251_irq_work); 13840e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo INIT_WORK(&wl->tx_work, wl1251_tx_work); 13850e71bb084adc4986b9a4be3581897f0ee703cbd5Kalle Valo 13862f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo /* 13872f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * In case our MAC address is not correctly set, 13882f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo * we use a random but Nokia MAC. 13892f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo */ 13902f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo memcpy(wl->mac_addr, nokia_oui, 3); 13912f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo get_random_bytes(wl->mac_addr + 3, 3); 13922f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 139380301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl->state = WL1251_STATE_OFF; 13942f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo mutex_init(&wl->mutex); 13952f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13962f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_rate = DEFAULT_HW_GEN_TX_RATE; 13972f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->tx_mgmt_frm_mod = DEFAULT_HW_GEN_MODULATION_TYPE; 13982f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 13994721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = kmalloc(sizeof(*wl->rx_descriptor), GFP_KERNEL); 14004721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo if (!wl->rx_descriptor) { 140180301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_error("could not allocate memory for rx descriptor"); 14028e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland ieee80211_free_hw(hw); 14038e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return ERR_PTR(-ENOMEM); 14044721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo } 14054721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14068e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copeland return hw; 14072f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1408af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_alloc_hw); 14092f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14108e639c0673a9b676bb7c6bd4e50f9003bdda423eBob Copelandint wl1251_free_hw(struct wl1251 *wl) 14112f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo{ 14122f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_unregister_hw(wl->hw); 14132f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 141480301cdcfe44e3533175be23d7d52a9fc8c3fdb0Kalle Valo wl1251_debugfs_exit(wl); 14152f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14162f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->target_mem_map); 14172f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->data_path); 1418c74ddfd5ea9c0c67d0aae77eeb5b610188cb8bc4Kalle Valo vfree(wl->fw); 14192f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->fw = NULL; 14202f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo kfree(wl->nvs); 14212f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo wl->nvs = NULL; 14224721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14234721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo kfree(wl->rx_descriptor); 14244721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo wl->rx_descriptor = NULL; 14254721213fdde4456a36a5e63f02e5c2556a4df398Kalle Valo 14262f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo ieee80211_free_hw(wl->hw); 14272f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo 14282f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo return 0; 14292f01a1f58889fbfeb68b1bc1b52e4197f3333490Kalle Valo} 1430af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandEXPORT_SYMBOL_GPL(wl1251_free_hw); 1431af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob Copeland 1432af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_DESCRIPTION("TI wl1251 Wireles LAN Driver Core"); 1433af8c78ebbf2a15ecf9b2b6b7b051b0d4c3ba1163Bob CopelandMODULE_LICENSE("GPL"); 143431c726f0963cd022680dacd0c9f0036d7e12a8b2Kalle ValoMODULE_AUTHOR("Kalle Valo <kvalo@adurom.com>"); 143549f146de405cfb37c51976b8a682330b8cb2972eBen HutchingsMODULE_FIRMWARE(WL1251_FW_NAME); 1436