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fa867e7355
Responses to firmware commands are read in by the command transmission function, as part of command flow. Previously responses were read in multiple places. Signed-off-by: Juuso Oikarinen <juuso.oikarinen@nokia.com> Reviewed-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
938 lines
22 KiB
C
938 lines
22 KiB
C
/*
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* This file is part of wl1271
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*
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* Copyright (C) 2009 Nokia Corporation
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*
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* Contact: Luciano Coelho <luciano.coelho@nokia.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/crc7.h>
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#include <linux/spi/spi.h>
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#include <linux/etherdevice.h>
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#include "wl1271.h"
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#include "wl1271_reg.h"
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#include "wl1271_spi.h"
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#include "wl1271_acx.h"
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#include "wl12xx_80211.h"
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#include "wl1271_cmd.h"
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/*
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* send command to firmware
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*
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* @wl: wl struct
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* @id: command id
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* @buf: buffer containing the command, must work with dma
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* @len: length of the buffer
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*/
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int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
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size_t res_len)
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{
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struct wl1271_cmd_header *cmd;
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unsigned long timeout;
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u32 intr;
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int ret = 0;
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u16 status;
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cmd = buf;
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cmd->id = cpu_to_le16(id);
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cmd->status = 0;
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WARN_ON(len % 4 != 0);
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wl1271_spi_write(wl, wl->cmd_box_addr, buf, len, false);
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wl1271_spi_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
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timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
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intr = wl1271_spi_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
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while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
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if (time_after(jiffies, timeout)) {
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wl1271_error("command complete timeout");
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ret = -ETIMEDOUT;
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goto out;
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}
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msleep(1);
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intr = wl1271_spi_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
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}
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/* read back the status code of the command */
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if (res_len == 0)
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res_len = sizeof(struct wl1271_cmd_header);
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wl1271_spi_read(wl, wl->cmd_box_addr, cmd, res_len, false);
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status = le16_to_cpu(cmd->status);
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if (status != CMD_STATUS_SUCCESS) {
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wl1271_error("command execute failure %d", status);
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ret = -EIO;
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}
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wl1271_spi_write32(wl, ACX_REG_INTERRUPT_ACK,
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WL1271_ACX_INTR_CMD_COMPLETE);
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out:
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return ret;
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}
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static int wl1271_cmd_cal_channel_tune(struct wl1271 *wl)
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{
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struct wl1271_cmd_cal_channel_tune *cmd;
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int ret = 0;
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd)
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return -ENOMEM;
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cmd->test.id = TEST_CMD_CHANNEL_TUNE;
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cmd->band = WL1271_CHANNEL_TUNE_BAND_2_4;
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/* set up any channel, 7 is in the middle of the range */
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cmd->channel = 7;
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ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0);
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if (ret < 0)
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wl1271_warning("TEST_CMD_CHANNEL_TUNE failed");
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kfree(cmd);
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return ret;
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}
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static int wl1271_cmd_cal_update_ref_point(struct wl1271 *wl)
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{
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struct wl1271_cmd_cal_update_ref_point *cmd;
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int ret = 0;
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd)
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return -ENOMEM;
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cmd->test.id = TEST_CMD_UPDATE_PD_REFERENCE_POINT;
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/* FIXME: still waiting for the correct values */
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cmd->ref_power = 0;
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cmd->ref_detector = 0;
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cmd->sub_band = WL1271_PD_REFERENCE_POINT_BAND_B_G;
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ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0);
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if (ret < 0)
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wl1271_warning("TEST_CMD_UPDATE_PD_REFERENCE_POINT failed");
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kfree(cmd);
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return ret;
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}
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static int wl1271_cmd_cal_p2g(struct wl1271 *wl)
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{
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struct wl1271_cmd_cal_p2g *cmd;
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int ret = 0;
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd)
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return -ENOMEM;
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cmd->test.id = TEST_CMD_P2G_CAL;
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cmd->sub_band_mask = WL1271_CAL_P2G_BAND_B_G;
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ret = wl1271_cmd_test(wl, cmd, sizeof(*cmd), 0);
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if (ret < 0)
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wl1271_warning("TEST_CMD_P2G_CAL failed");
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kfree(cmd);
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return ret;
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}
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static int wl1271_cmd_cal(struct wl1271 *wl)
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{
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/*
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* FIXME: we must make sure that we're not sleeping when calibration
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* is done
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*/
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int ret;
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wl1271_notice("performing tx calibration");
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ret = wl1271_cmd_cal_channel_tune(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_cal_update_ref_point(wl);
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if (ret < 0)
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return ret;
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ret = wl1271_cmd_cal_p2g(wl);
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if (ret < 0)
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return ret;
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return ret;
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}
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int wl1271_cmd_join(struct wl1271 *wl)
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{
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static bool do_cal = true;
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struct wl1271_cmd_join *join;
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int ret, i;
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u8 *bssid;
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/* FIXME: remove when we get calibration from the factory */
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if (do_cal) {
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ret = wl1271_cmd_cal(wl);
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if (ret < 0)
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wl1271_warning("couldn't calibrate");
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else
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do_cal = false;
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}
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/* FIXME: This is a workaround, because with the current stack, we
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* cannot know when we have disassociated. So, if we have already
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* joined, we disconnect before joining again. */
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if (wl->joined) {
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ret = wl1271_cmd_disconnect(wl);
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if (ret < 0) {
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wl1271_error("failed to disconnect before rejoining");
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goto out;
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}
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wl->joined = false;
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}
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join = kzalloc(sizeof(*join), GFP_KERNEL);
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if (!join) {
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ret = -ENOMEM;
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goto out;
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}
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wl1271_debug(DEBUG_CMD, "cmd join");
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/* Reverse order BSSID */
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bssid = (u8 *) &join->bssid_lsb;
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for (i = 0; i < ETH_ALEN; i++)
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bssid[i] = wl->bssid[ETH_ALEN - i - 1];
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join->rx_config_options = cpu_to_le32(wl->rx_config);
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join->rx_filter_options = cpu_to_le32(wl->rx_filter);
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join->bss_type = wl->bss_type;
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/*
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* FIXME: disable temporarily all filters because after commit
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* 9cef8737 "mac80211: fix managed mode BSSID handling" broke
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* association. The filter logic needs to be implemented properly
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* and once that is done, this hack can be removed.
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*/
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join->rx_config_options = cpu_to_le32(0);
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join->rx_filter_options = cpu_to_le32(WL1271_DEFAULT_RX_FILTER);
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if (wl->band == IEEE80211_BAND_2GHZ)
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join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_1MBPS |
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CONF_HW_BIT_RATE_2MBPS |
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CONF_HW_BIT_RATE_5_5MBPS |
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CONF_HW_BIT_RATE_11MBPS);
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else {
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join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
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join->basic_rate_set = cpu_to_le32(CONF_HW_BIT_RATE_6MBPS |
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CONF_HW_BIT_RATE_12MBPS |
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CONF_HW_BIT_RATE_24MBPS);
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}
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join->beacon_interval = cpu_to_le16(WL1271_DEFAULT_BEACON_INT);
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join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
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join->channel = wl->channel;
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join->ssid_len = wl->ssid_len;
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memcpy(join->ssid, wl->ssid, wl->ssid_len);
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join->ctrl = WL1271_JOIN_CMD_CTRL_TX_FLUSH;
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/* increment the session counter */
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wl->session_counter++;
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if (wl->session_counter >= SESSION_COUNTER_MAX)
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wl->session_counter = 0;
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join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
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/* reset TX security counters */
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wl->tx_security_last_seq = 0;
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wl->tx_security_seq_16 = 0;
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wl->tx_security_seq_32 = 0;
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ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0);
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if (ret < 0) {
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wl1271_error("failed to initiate cmd join");
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goto out_free;
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}
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wl->joined = true;
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/*
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* ugly hack: we should wait for JOIN_EVENT_COMPLETE_ID but to
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* simplify locking we just sleep instead, for now
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*/
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msleep(10);
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out_free:
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kfree(join);
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out:
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return ret;
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}
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/**
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* send test command to firmware
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*
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* @wl: wl struct
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* @buf: buffer containing the command, with all headers, must work with dma
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* @len: length of the buffer
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* @answer: is answer needed
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*/
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int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
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{
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int ret;
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size_t res_len = 0;
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wl1271_debug(DEBUG_CMD, "cmd test");
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if (answer)
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res_len = buf_len;
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ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
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if (ret < 0) {
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wl1271_warning("TEST command failed");
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return ret;
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}
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return ret;
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}
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/**
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* read acx from firmware
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*
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* @wl: wl struct
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* @id: acx id
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* @buf: buffer for the response, including all headers, must work with dma
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* @len: lenght of buf
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*/
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int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
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{
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struct acx_header *acx = buf;
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int ret;
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wl1271_debug(DEBUG_CMD, "cmd interrogate");
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acx->id = cpu_to_le16(id);
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/* payload length, does not include any headers */
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acx->len = cpu_to_le16(len - sizeof(*acx));
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ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
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if (ret < 0)
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wl1271_error("INTERROGATE command failed");
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return ret;
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}
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/**
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* write acx value to firmware
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*
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* @wl: wl struct
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* @id: acx id
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* @buf: buffer containing acx, including all headers, must work with dma
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* @len: length of buf
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*/
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int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
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{
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struct acx_header *acx = buf;
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int ret;
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wl1271_debug(DEBUG_CMD, "cmd configure");
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acx->id = cpu_to_le16(id);
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/* payload length, does not include any headers */
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acx->len = cpu_to_le16(len - sizeof(*acx));
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ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
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if (ret < 0) {
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wl1271_warning("CONFIGURE command NOK");
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return ret;
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}
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return 0;
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}
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int wl1271_cmd_data_path(struct wl1271 *wl, u8 channel, bool enable)
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{
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struct cmd_enabledisable_path *cmd;
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int ret;
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u16 cmd_rx, cmd_tx;
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wl1271_debug(DEBUG_CMD, "cmd data path");
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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cmd->channel = channel;
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if (enable) {
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cmd_rx = CMD_ENABLE_RX;
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cmd_tx = CMD_ENABLE_TX;
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} else {
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cmd_rx = CMD_DISABLE_RX;
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cmd_tx = CMD_DISABLE_TX;
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}
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ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("rx %s cmd for channel %d failed",
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enable ? "start" : "stop", channel);
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goto out;
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}
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wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
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enable ? "start" : "stop", channel);
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ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
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if (ret < 0) {
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wl1271_error("tx %s cmd for channel %d failed",
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enable ? "start" : "stop", channel);
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return ret;
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}
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wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
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enable ? "start" : "stop", channel);
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out:
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kfree(cmd);
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return ret;
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}
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int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
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{
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struct wl1271_cmd_ps_params *ps_params = NULL;
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int ret = 0;
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/* FIXME: this should be in ps.c */
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ret = wl1271_acx_wake_up_conditions(wl);
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if (ret < 0) {
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wl1271_error("couldn't set wake up conditions");
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goto out;
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}
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wl1271_debug(DEBUG_CMD, "cmd set ps mode");
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ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
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if (!ps_params) {
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ret = -ENOMEM;
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goto out;
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}
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ps_params->ps_mode = ps_mode;
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ps_params->send_null_data = 1;
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ps_params->retries = 5;
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ps_params->hang_over_period = 128;
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ps_params->null_data_rate = cpu_to_le32(1); /* 1 Mbps */
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ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
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sizeof(*ps_params), 0);
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if (ret < 0) {
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wl1271_error("cmd set_ps_mode failed");
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goto out;
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}
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out:
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kfree(ps_params);
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return ret;
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}
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int wl1271_cmd_read_memory(struct wl1271 *wl, u32 addr, void *answer,
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size_t len)
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{
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struct cmd_read_write_memory *cmd;
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int ret = 0;
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wl1271_debug(DEBUG_CMD, "cmd read memory");
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cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
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if (!cmd) {
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ret = -ENOMEM;
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goto out;
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}
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|
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WARN_ON(len > MAX_READ_SIZE);
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len = min_t(size_t, len, MAX_READ_SIZE);
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cmd->addr = cpu_to_le32(addr);
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cmd->size = cpu_to_le32(len);
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ret = wl1271_cmd_send(wl, CMD_READ_MEMORY, cmd, sizeof(*cmd),
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sizeof(*cmd));
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if (ret < 0) {
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wl1271_error("read memory command failed: %d", ret);
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goto out;
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}
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/* the read command got in */
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memcpy(answer, cmd->value, len);
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out:
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kfree(cmd);
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return ret;
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}
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|
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int wl1271_cmd_scan(struct wl1271 *wl, u8 *ssid, size_t len,
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u8 active_scan, u8 high_prio, u8 band,
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u8 probe_requests)
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{
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|
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struct wl1271_cmd_trigger_scan_to *trigger = NULL;
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struct wl1271_cmd_scan *params = NULL;
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struct ieee80211_channel *channels;
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int i, j, n_ch, ret;
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u16 scan_options = 0;
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u8 ieee_band;
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|
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if (band == WL1271_SCAN_BAND_2_4_GHZ)
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ieee_band = IEEE80211_BAND_2GHZ;
|
|
else if (band == WL1271_SCAN_BAND_DUAL && wl1271_11a_enabled())
|
|
ieee_band = IEEE80211_BAND_2GHZ;
|
|
else if (band == WL1271_SCAN_BAND_5_GHZ && wl1271_11a_enabled())
|
|
ieee_band = IEEE80211_BAND_5GHZ;
|
|
else
|
|
return -EINVAL;
|
|
|
|
if (wl->hw->wiphy->bands[ieee_band]->channels == NULL)
|
|
return -EINVAL;
|
|
|
|
channels = wl->hw->wiphy->bands[ieee_band]->channels;
|
|
n_ch = wl->hw->wiphy->bands[ieee_band]->n_channels;
|
|
|
|
if (wl->scanning)
|
|
return -EINVAL;
|
|
|
|
params = kzalloc(sizeof(*params), GFP_KERNEL);
|
|
if (!params)
|
|
return -ENOMEM;
|
|
|
|
params->params.rx_config_options = cpu_to_le32(CFG_RX_ALL_GOOD);
|
|
params->params.rx_filter_options =
|
|
cpu_to_le32(CFG_RX_PRSP_EN | CFG_RX_MGMT_EN | CFG_RX_BCN_EN);
|
|
|
|
if (!active_scan)
|
|
scan_options |= WL1271_SCAN_OPT_PASSIVE;
|
|
if (high_prio)
|
|
scan_options |= WL1271_SCAN_OPT_PRIORITY_HIGH;
|
|
params->params.scan_options = cpu_to_le16(scan_options);
|
|
|
|
params->params.num_probe_requests = probe_requests;
|
|
/* Let the fw autodetect suitable tx_rate for probes */
|
|
params->params.tx_rate = 0;
|
|
params->params.tid_trigger = 0;
|
|
params->params.scan_tag = WL1271_SCAN_DEFAULT_TAG;
|
|
|
|
if (band == WL1271_SCAN_BAND_DUAL)
|
|
params->params.band = WL1271_SCAN_BAND_2_4_GHZ;
|
|
else
|
|
params->params.band = band;
|
|
|
|
for (i = 0, j = 0; i < n_ch && i < WL1271_SCAN_MAX_CHANNELS; i++) {
|
|
if (!(channels[i].flags & IEEE80211_CHAN_DISABLED)) {
|
|
params->channels[j].min_duration =
|
|
cpu_to_le32(WL1271_SCAN_CHAN_MIN_DURATION);
|
|
params->channels[j].max_duration =
|
|
cpu_to_le32(WL1271_SCAN_CHAN_MAX_DURATION);
|
|
memset(¶ms->channels[j].bssid_lsb, 0xff, 4);
|
|
memset(¶ms->channels[j].bssid_msb, 0xff, 2);
|
|
params->channels[j].early_termination = 0;
|
|
params->channels[j].tx_power_att =
|
|
WL1271_SCAN_CURRENT_TX_PWR;
|
|
params->channels[j].channel = channels[i].hw_value;
|
|
j++;
|
|
}
|
|
}
|
|
|
|
params->params.num_channels = j;
|
|
|
|
if (len && ssid) {
|
|
params->params.ssid_len = len;
|
|
memcpy(params->params.ssid, ssid, len);
|
|
}
|
|
|
|
ret = wl1271_cmd_build_probe_req(wl, ssid, len, ieee_band);
|
|
if (ret < 0) {
|
|
wl1271_error("PROBE request template failed");
|
|
goto out;
|
|
}
|
|
|
|
trigger = kzalloc(sizeof(*trigger), GFP_KERNEL);
|
|
if (!trigger) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
/* disable the timeout */
|
|
trigger->timeout = 0;
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_TRIGGER_SCAN_TO, trigger,
|
|
sizeof(*trigger), 0);
|
|
if (ret < 0) {
|
|
wl1271_error("trigger scan to failed for hw scan");
|
|
goto out;
|
|
}
|
|
|
|
wl1271_dump(DEBUG_SCAN, "SCAN: ", params, sizeof(*params));
|
|
|
|
wl->scanning = true;
|
|
if (wl1271_11a_enabled()) {
|
|
wl->scan.state = band;
|
|
if (band == WL1271_SCAN_BAND_DUAL) {
|
|
wl->scan.active = active_scan;
|
|
wl->scan.high_prio = high_prio;
|
|
wl->scan.probe_requests = probe_requests;
|
|
if (len && ssid) {
|
|
wl->scan.ssid_len = len;
|
|
memcpy(wl->scan.ssid, ssid, len);
|
|
} else
|
|
wl->scan.ssid_len = 0;
|
|
}
|
|
}
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_SCAN, params, sizeof(*params), 0);
|
|
if (ret < 0) {
|
|
wl1271_error("SCAN failed");
|
|
wl->scanning = false;
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
kfree(params);
|
|
return ret;
|
|
}
|
|
|
|
int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
|
|
void *buf, size_t buf_len)
|
|
{
|
|
struct wl1271_cmd_template_set *cmd;
|
|
int ret = 0;
|
|
|
|
wl1271_debug(DEBUG_CMD, "cmd template_set %d", template_id);
|
|
|
|
WARN_ON(buf_len > WL1271_CMD_TEMPL_MAX_SIZE);
|
|
buf_len = min_t(size_t, buf_len, WL1271_CMD_TEMPL_MAX_SIZE);
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cmd->len = cpu_to_le16(buf_len);
|
|
cmd->template_type = template_id;
|
|
cmd->enabled_rates = cpu_to_le32(wl->conf.tx.rc_conf.enabled_rates);
|
|
cmd->short_retry_limit = wl->conf.tx.rc_conf.short_retry_limit;
|
|
cmd->long_retry_limit = wl->conf.tx.rc_conf.long_retry_limit;
|
|
|
|
if (buf)
|
|
memcpy(cmd->template_data, buf, buf_len);
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_TEMPLATE, cmd, sizeof(*cmd), 0);
|
|
if (ret < 0) {
|
|
wl1271_warning("cmd set_template failed: %d", ret);
|
|
goto out_free;
|
|
}
|
|
|
|
out_free:
|
|
kfree(cmd);
|
|
|
|
out:
|
|
return ret;
|
|
}
|
|
|
|
static int wl1271_build_basic_rates(char *rates, u8 band)
|
|
{
|
|
u8 index = 0;
|
|
|
|
if (band == IEEE80211_BAND_2GHZ) {
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_1MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_2MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_5MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_CCK_RATE_11MB;
|
|
} else if (band == IEEE80211_BAND_5GHZ) {
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_6MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_12MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
|
|
} else {
|
|
wl1271_error("build_basic_rates invalid band: %d", band);
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
static int wl1271_build_extended_rates(char *rates, u8 band)
|
|
{
|
|
u8 index = 0;
|
|
|
|
if (band == IEEE80211_BAND_2GHZ) {
|
|
rates[index++] = IEEE80211_OFDM_RATE_6MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_9MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_12MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_18MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_24MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_36MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_48MB;
|
|
rates[index++] = IEEE80211_OFDM_RATE_54MB;
|
|
} else if (band == IEEE80211_BAND_5GHZ) {
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_9MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_18MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_24MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_36MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_48MB;
|
|
rates[index++] =
|
|
IEEE80211_BASIC_RATE_MASK | IEEE80211_OFDM_RATE_54MB;
|
|
} else {
|
|
wl1271_error("build_basic_rates invalid band: %d", band);
|
|
}
|
|
|
|
return index;
|
|
}
|
|
|
|
int wl1271_cmd_build_null_data(struct wl1271 *wl)
|
|
{
|
|
struct wl12xx_null_data_template template;
|
|
|
|
if (!is_zero_ether_addr(wl->bssid)) {
|
|
memcpy(template.header.da, wl->bssid, ETH_ALEN);
|
|
memcpy(template.header.bssid, wl->bssid, ETH_ALEN);
|
|
} else {
|
|
memset(template.header.da, 0xff, ETH_ALEN);
|
|
memset(template.header.bssid, 0xff, ETH_ALEN);
|
|
}
|
|
|
|
memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
|
|
template.header.frame_ctl = cpu_to_le16(IEEE80211_FTYPE_DATA |
|
|
IEEE80211_STYPE_NULLFUNC |
|
|
IEEE80211_FCTL_TODS);
|
|
|
|
return wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, &template,
|
|
sizeof(template));
|
|
|
|
}
|
|
|
|
int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
|
|
{
|
|
struct wl12xx_ps_poll_template template;
|
|
|
|
memcpy(template.bssid, wl->bssid, ETH_ALEN);
|
|
memcpy(template.ta, wl->mac_addr, ETH_ALEN);
|
|
|
|
/* aid in PS-Poll has its two MSBs each set to 1 */
|
|
template.aid = cpu_to_le16(1 << 15 | 1 << 14 | aid);
|
|
|
|
template.fc = cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
|
|
|
|
return wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, &template,
|
|
sizeof(template));
|
|
|
|
}
|
|
|
|
int wl1271_cmd_build_probe_req(struct wl1271 *wl, u8 *ssid, size_t ssid_len,
|
|
u8 band)
|
|
{
|
|
struct wl12xx_probe_req_template template;
|
|
struct wl12xx_ie_rates *rates;
|
|
char *ptr;
|
|
u16 size;
|
|
int ret;
|
|
|
|
ptr = (char *)&template;
|
|
size = sizeof(struct ieee80211_header);
|
|
|
|
memset(template.header.da, 0xff, ETH_ALEN);
|
|
memset(template.header.bssid, 0xff, ETH_ALEN);
|
|
memcpy(template.header.sa, wl->mac_addr, ETH_ALEN);
|
|
template.header.frame_ctl = cpu_to_le16(IEEE80211_STYPE_PROBE_REQ);
|
|
|
|
/* IEs */
|
|
/* SSID */
|
|
template.ssid.header.id = WLAN_EID_SSID;
|
|
template.ssid.header.len = ssid_len;
|
|
if (ssid_len && ssid)
|
|
memcpy(template.ssid.ssid, ssid, ssid_len);
|
|
size += sizeof(struct wl12xx_ie_header) + ssid_len;
|
|
ptr += size;
|
|
|
|
/* Basic Rates */
|
|
rates = (struct wl12xx_ie_rates *)ptr;
|
|
rates->header.id = WLAN_EID_SUPP_RATES;
|
|
rates->header.len = wl1271_build_basic_rates(rates->rates, band);
|
|
size += sizeof(struct wl12xx_ie_header) + rates->header.len;
|
|
ptr += sizeof(struct wl12xx_ie_header) + rates->header.len;
|
|
|
|
/* Extended rates */
|
|
rates = (struct wl12xx_ie_rates *)ptr;
|
|
rates->header.id = WLAN_EID_EXT_SUPP_RATES;
|
|
rates->header.len = wl1271_build_extended_rates(rates->rates, band);
|
|
size += sizeof(struct wl12xx_ie_header) + rates->header.len;
|
|
|
|
wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", &template, size);
|
|
|
|
if (band == IEEE80211_BAND_2GHZ)
|
|
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
|
|
&template, size);
|
|
else
|
|
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
|
|
&template, size);
|
|
return ret;
|
|
}
|
|
|
|
int wl1271_cmd_set_default_wep_key(struct wl1271 *wl, u8 id)
|
|
{
|
|
struct wl1271_cmd_set_keys *cmd;
|
|
int ret = 0;
|
|
|
|
wl1271_debug(DEBUG_CMD, "cmd set_default_wep_key %d", id);
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cmd->id = id;
|
|
cmd->key_action = cpu_to_le16(KEY_SET_ID);
|
|
cmd->key_type = KEY_WEP;
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
|
|
if (ret < 0) {
|
|
wl1271_warning("cmd set_default_wep_key failed: %d", ret);
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
kfree(cmd);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wl1271_cmd_set_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
|
|
u8 key_size, const u8 *key, const u8 *addr,
|
|
u32 tx_seq_32, u16 tx_seq_16)
|
|
{
|
|
struct wl1271_cmd_set_keys *cmd;
|
|
int ret = 0;
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
if (key_type != KEY_WEP)
|
|
memcpy(cmd->addr, addr, ETH_ALEN);
|
|
|
|
cmd->key_action = cpu_to_le16(action);
|
|
cmd->key_size = key_size;
|
|
cmd->key_type = key_type;
|
|
|
|
cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
|
|
cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
|
|
|
|
/* we have only one SSID profile */
|
|
cmd->ssid_profile = 0;
|
|
|
|
cmd->id = id;
|
|
|
|
if (key_type == KEY_TKIP) {
|
|
/*
|
|
* We get the key in the following form:
|
|
* TKIP (16 bytes) - TX MIC (8 bytes) - RX MIC (8 bytes)
|
|
* but the target is expecting:
|
|
* TKIP - RX MIC - TX MIC
|
|
*/
|
|
memcpy(cmd->key, key, 16);
|
|
memcpy(cmd->key + 16, key + 24, 8);
|
|
memcpy(cmd->key + 24, key + 16, 8);
|
|
|
|
} else {
|
|
memcpy(cmd->key, key, key_size);
|
|
}
|
|
|
|
wl1271_dump(DEBUG_CRYPT, "TARGET KEY: ", cmd, sizeof(*cmd));
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
|
|
if (ret < 0) {
|
|
wl1271_warning("could not set keys");
|
|
goto out;
|
|
}
|
|
|
|
out:
|
|
kfree(cmd);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wl1271_cmd_disconnect(struct wl1271 *wl)
|
|
{
|
|
struct wl1271_cmd_disconnect *cmd;
|
|
int ret = 0;
|
|
|
|
wl1271_debug(DEBUG_CMD, "cmd disconnect");
|
|
|
|
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
|
|
if (!cmd) {
|
|
ret = -ENOMEM;
|
|
goto out;
|
|
}
|
|
|
|
cmd->rx_config_options = cpu_to_le32(wl->rx_config);
|
|
cmd->rx_filter_options = cpu_to_le32(wl->rx_filter);
|
|
/* disconnect reason is not used in immediate disconnections */
|
|
cmd->type = DISCONNECT_IMMEDIATE;
|
|
|
|
ret = wl1271_cmd_send(wl, CMD_DISCONNECT, cmd, sizeof(*cmd), 0);
|
|
if (ret < 0) {
|
|
wl1271_error("failed to send disconnect command");
|
|
goto out_free;
|
|
}
|
|
|
|
out_free:
|
|
kfree(cmd);
|
|
|
|
out:
|
|
return ret;
|
|
}
|