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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 | /*
* This file is part of wl1271
*
* Copyright (C) 2009-2010 Nokia Corporation
*
* Contact: Luciano Coelho <luciano.coelho@nokia.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/etherdevice.h>
#include <linux/ieee80211.h>
#include <linux/slab.h>
#include "wl12xx.h"
#include "reg.h"
#include "io.h"
#include "acx.h"
#include "wl12xx_80211.h"
#include "cmd.h"
#include "event.h"
#include "tx.h"
#define WL1271_CMD_FAST_POLL_COUNT 50
/*
* send command to firmware
*
* @wl: wl struct
* @id: command id
* @buf: buffer containing the command, must work with dma
* @len: length of the buffer
*/
int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
size_t res_len)
{
struct wl1271_cmd_header *cmd;
unsigned long timeout;
u32 intr;
int ret = 0;
u16 status;
u16 poll_count = 0;
cmd = buf;
cmd->id = cpu_to_le16(id);
cmd->status = 0;
WARN_ON(len % 4 != 0);
WARN_ON(test_bit(WL1271_FLAG_IN_ELP, &wl->flags));
wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
wl1271_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
while (!(intr & WL1271_ACX_INTR_CMD_COMPLETE)) {
if (time_after(jiffies, timeout)) {
wl1271_error("command complete timeout");
ret = -ETIMEDOUT;
goto fail;
}
poll_count++;
if (poll_count < WL1271_CMD_FAST_POLL_COUNT)
udelay(10);
else
msleep(1);
intr = wl1271_read32(wl, ACX_REG_INTERRUPT_NO_CLEAR);
}
/* read back the status code of the command */
if (res_len == 0)
res_len = sizeof(struct wl1271_cmd_header);
wl1271_read(wl, wl->cmd_box_addr, cmd, res_len, false);
status = le16_to_cpu(cmd->status);
if (status != CMD_STATUS_SUCCESS) {
wl1271_error("command execute failure %d", status);
ret = -EIO;
goto fail;
}
wl1271_write32(wl, ACX_REG_INTERRUPT_ACK,
WL1271_ACX_INTR_CMD_COMPLETE);
return 0;
fail:
WARN_ON(1);
wl12xx_queue_recovery_work(wl);
return ret;
}
int wl1271_cmd_general_parms(struct wl1271 *wl)
{
struct wl1271_general_parms_cmd *gen_parms;
struct wl1271_ini_general_params *gp =
&((struct wl1271_nvs_file *)wl->nvs)->general_params;
bool answer = false;
int ret;
if (!wl->nvs)
return -ENODEV;
gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
if (!gen_parms)
return -ENOMEM;
gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
memcpy(&gen_parms->general_params, gp, sizeof(*gp));
if (gp->tx_bip_fem_auto_detect)
answer = true;
/* Override the REF CLK from the NVS with the one from platform data */
gen_parms->general_params.ref_clock = wl->ref_clock;
/* LPD mode enable (bits 6-7) in WL1271 AP mode only */
if (wl->quirks & WL12XX_QUIRK_LPD_MODE)
gen_parms->general_params.general_settings |=
GENERAL_SETTINGS_DRPW_LPD;
ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
if (ret < 0) {
wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
goto out;
}
gp->tx_bip_fem_manufacturer =
gen_parms->general_params.tx_bip_fem_manufacturer;
wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
out:
kfree(gen_parms);
return ret;
}
int wl128x_cmd_general_parms(struct wl1271 *wl)
{
struct wl128x_general_parms_cmd *gen_parms;
struct wl128x_ini_general_params *gp =
&((struct wl128x_nvs_file *)wl->nvs)->general_params;
bool answer = false;
int ret;
if (!wl->nvs)
return -ENODEV;
gen_parms = kzalloc(sizeof(*gen_parms), GFP_KERNEL);
if (!gen_parms)
return -ENOMEM;
gen_parms->test.id = TEST_CMD_INI_FILE_GENERAL_PARAM;
memcpy(&gen_parms->general_params, gp, sizeof(*gp));
if (gp->tx_bip_fem_auto_detect)
answer = true;
/* Replace REF and TCXO CLKs with the ones from platform data */
gen_parms->general_params.ref_clock = wl->ref_clock;
gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock;
ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer);
if (ret < 0) {
wl1271_warning("CMD_INI_FILE_GENERAL_PARAM failed");
goto out;
}
gp->tx_bip_fem_manufacturer =
gen_parms->general_params.tx_bip_fem_manufacturer;
wl1271_debug(DEBUG_CMD, "FEM autodetect: %s, manufacturer: %d\n",
answer ? "auto" : "manual", gp->tx_bip_fem_manufacturer);
out:
kfree(gen_parms);
return ret;
}
int wl1271_cmd_radio_parms(struct wl1271 *wl)
{
struct wl1271_nvs_file *nvs = (struct wl1271_nvs_file *)wl->nvs;
struct wl1271_radio_parms_cmd *radio_parms;
struct wl1271_ini_general_params *gp = &nvs->general_params;
int ret;
if (!wl->nvs)
return -ENODEV;
radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
if (!radio_parms)
return -ENOMEM;
radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
/* 2.4GHz parameters */
memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
sizeof(struct wl1271_ini_band_params_2));
memcpy(&radio_parms->dyn_params_2,
&nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
sizeof(struct wl1271_ini_fem_params_2));
/* 5GHz parameters */
memcpy(&radio_parms->static_params_5,
&nvs->stat_radio_params_5,
sizeof(struct wl1271_ini_band_params_5));
memcpy(&radio_parms->dyn_params_5,
&nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
sizeof(struct wl1271_ini_fem_params_5));
wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
radio_parms, sizeof(*radio_parms));
ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
if (ret < 0)
wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
kfree(radio_parms);
return ret;
}
int wl128x_cmd_radio_parms(struct wl1271 *wl)
{
struct wl128x_nvs_file *nvs = (struct wl128x_nvs_file *)wl->nvs;
struct wl128x_radio_parms_cmd *radio_parms;
struct wl128x_ini_general_params *gp = &nvs->general_params;
int ret;
if (!wl->nvs)
return -ENODEV;
radio_parms = kzalloc(sizeof(*radio_parms), GFP_KERNEL);
if (!radio_parms)
return -ENOMEM;
radio_parms->test.id = TEST_CMD_INI_FILE_RADIO_PARAM;
/* 2.4GHz parameters */
memcpy(&radio_parms->static_params_2, &nvs->stat_radio_params_2,
sizeof(struct wl128x_ini_band_params_2));
memcpy(&radio_parms->dyn_params_2,
&nvs->dyn_radio_params_2[gp->tx_bip_fem_manufacturer].params,
sizeof(struct wl128x_ini_fem_params_2));
/* 5GHz parameters */
memcpy(&radio_parms->static_params_5,
&nvs->stat_radio_params_5,
sizeof(struct wl128x_ini_band_params_5));
memcpy(&radio_parms->dyn_params_5,
&nvs->dyn_radio_params_5[gp->tx_bip_fem_manufacturer].params,
sizeof(struct wl128x_ini_fem_params_5));
radio_parms->fem_vendor_and_options = nvs->fem_vendor_and_options;
wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_RADIO_PARAM: ",
radio_parms, sizeof(*radio_parms));
ret = wl1271_cmd_test(wl, radio_parms, sizeof(*radio_parms), 0);
if (ret < 0)
wl1271_warning("CMD_INI_FILE_RADIO_PARAM failed");
kfree(radio_parms);
return ret;
}
int wl1271_cmd_ext_radio_parms(struct wl1271 *wl)
{
struct wl1271_ext_radio_parms_cmd *ext_radio_parms;
struct conf_rf_settings *rf = &wl->conf.rf;
int ret;
if (!wl->nvs)
return -ENODEV;
ext_radio_parms = kzalloc(sizeof(*ext_radio_parms), GFP_KERNEL);
if (!ext_radio_parms)
return -ENOMEM;
ext_radio_parms->test.id = TEST_CMD_INI_FILE_RF_EXTENDED_PARAM;
memcpy(ext_radio_parms->tx_per_channel_power_compensation_2,
rf->tx_per_channel_power_compensation_2,
CONF_TX_PWR_COMPENSATION_LEN_2);
memcpy(ext_radio_parms->tx_per_channel_power_compensation_5,
rf->tx_per_channel_power_compensation_5,
CONF_TX_PWR_COMPENSATION_LEN_5);
wl1271_dump(DEBUG_CMD, "TEST_CMD_INI_FILE_EXT_RADIO_PARAM: ",
ext_radio_parms, sizeof(*ext_radio_parms));
ret = wl1271_cmd_test(wl, ext_radio_parms, sizeof(*ext_radio_parms), 0);
if (ret < 0)
wl1271_warning("TEST_CMD_INI_FILE_RF_EXTENDED_PARAM failed");
kfree(ext_radio_parms);
return ret;
}
/*
* Poll the mailbox event field until any of the bits in the mask is set or a
* timeout occurs (WL1271_EVENT_TIMEOUT in msecs)
*/
static int wl1271_cmd_wait_for_event_or_timeout(struct wl1271 *wl, u32 mask)
{
u32 events_vector, event;
unsigned long timeout;
timeout = jiffies + msecs_to_jiffies(WL1271_EVENT_TIMEOUT);
do {
if (time_after(jiffies, timeout)) {
wl1271_debug(DEBUG_CMD, "timeout waiting for event %d",
(int)mask);
return -ETIMEDOUT;
}
msleep(1);
/* read from both event fields */
wl1271_read(wl, wl->mbox_ptr[0], &events_vector,
sizeof(events_vector), false);
event = events_vector & mask;
wl1271_read(wl, wl->mbox_ptr[1], &events_vector,
sizeof(events_vector), false);
event |= events_vector & mask;
} while (!event);
return 0;
}
static int wl1271_cmd_wait_for_event(struct wl1271 *wl, u32 mask)
{
int ret;
ret = wl1271_cmd_wait_for_event_or_timeout(wl, mask);
if (ret != 0) {
wl12xx_queue_recovery_work(wl);
return ret;
}
return 0;
}
int wl1271_cmd_join(struct wl1271 *wl, u8 bss_type)
{
struct wl1271_cmd_join *join;
int ret, i;
u8 *bssid;
join = kzalloc(sizeof(*join), GFP_KERNEL);
if (!join) {
ret = -ENOMEM;
goto out;
}
wl1271_debug(DEBUG_CMD, "cmd join");
/* Reverse order BSSID */
bssid = (u8 *) &join->bssid_lsb;
for (i = 0; i < ETH_ALEN; i++)
bssid[i] = wl->bssid[ETH_ALEN - i - 1];
join->rx_config_options = cpu_to_le32(wl->rx_config);
join->rx_filter_options = cpu_to_le32(wl->rx_filter);
join->bss_type = bss_type;
join->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
join->supported_rate_set = cpu_to_le32(wl->rate_set);
if (wl->band == IEEE80211_BAND_5GHZ)
join->bss_type |= WL1271_JOIN_CMD_BSS_TYPE_5GHZ;
join->beacon_interval = cpu_to_le16(wl->beacon_int);
join->dtim_interval = WL1271_DEFAULT_DTIM_PERIOD;
join->channel = wl->channel;
join->ssid_len = wl->ssid_len;
memcpy(join->ssid, wl->ssid, wl->ssid_len);
join->ctrl |= wl->session_counter << WL1271_JOIN_CMD_TX_SESSION_OFFSET;
wl1271_debug(DEBUG_CMD, "cmd join: basic_rate_set=0x%x, rate_set=0x%x",
join->basic_rate_set, join->supported_rate_set);
ret = wl1271_cmd_send(wl, CMD_START_JOIN, join, sizeof(*join), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd join");
goto out_free;
}
ret = wl1271_cmd_wait_for_event(wl, JOIN_EVENT_COMPLETE_ID);
if (ret < 0)
wl1271_error("cmd join event completion error");
out_free:
kfree(join);
out:
return ret;
}
/**
* send test command to firmware
*
* @wl: wl struct
* @buf: buffer containing the command, with all headers, must work with dma
* @len: length of the buffer
* @answer: is answer needed
*/
int wl1271_cmd_test(struct wl1271 *wl, void *buf, size_t buf_len, u8 answer)
{
int ret;
size_t res_len = 0;
wl1271_debug(DEBUG_CMD, "cmd test");
if (answer)
res_len = buf_len;
ret = wl1271_cmd_send(wl, CMD_TEST, buf, buf_len, res_len);
if (ret < 0) {
wl1271_warning("TEST command failed");
return ret;
}
return ret;
}
/**
* read acx from firmware
*
* @wl: wl struct
* @id: acx id
* @buf: buffer for the response, including all headers, must work with dma
* @len: length of buf
*/
int wl1271_cmd_interrogate(struct wl1271 *wl, u16 id, void *buf, size_t len)
{
struct acx_header *acx = buf;
int ret;
wl1271_debug(DEBUG_CMD, "cmd interrogate");
acx->id = cpu_to_le16(id);
/* payload length, does not include any headers */
acx->len = cpu_to_le16(len - sizeof(*acx));
ret = wl1271_cmd_send(wl, CMD_INTERROGATE, acx, sizeof(*acx), len);
if (ret < 0)
wl1271_error("INTERROGATE command failed");
return ret;
}
/**
* write acx value to firmware
*
* @wl: wl struct
* @id: acx id
* @buf: buffer containing acx, including all headers, must work with dma
* @len: length of buf
*/
int wl1271_cmd_configure(struct wl1271 *wl, u16 id, void *buf, size_t len)
{
struct acx_header *acx = buf;
int ret;
wl1271_debug(DEBUG_CMD, "cmd configure");
acx->id = cpu_to_le16(id);
/* payload length, does not include any headers */
acx->len = cpu_to_le16(len - sizeof(*acx));
ret = wl1271_cmd_send(wl, CMD_CONFIGURE, acx, len, 0);
if (ret < 0) {
wl1271_warning("CONFIGURE command NOK");
return ret;
}
return 0;
}
int wl1271_cmd_data_path(struct wl1271 *wl, bool enable)
{
struct cmd_enabledisable_path *cmd;
int ret;
u16 cmd_rx, cmd_tx;
wl1271_debug(DEBUG_CMD, "cmd data path");
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
/* the channel here is only used for calibration, so hardcoded to 1 */
cmd->channel = 1;
if (enable) {
cmd_rx = CMD_ENABLE_RX;
cmd_tx = CMD_ENABLE_TX;
} else {
cmd_rx = CMD_DISABLE_RX;
cmd_tx = CMD_DISABLE_TX;
}
ret = wl1271_cmd_send(wl, cmd_rx, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("rx %s cmd for channel %d failed",
enable ? "start" : "stop", cmd->channel);
goto out;
}
wl1271_debug(DEBUG_BOOT, "rx %s cmd channel %d",
enable ? "start" : "stop", cmd->channel);
ret = wl1271_cmd_send(wl, cmd_tx, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("tx %s cmd for channel %d failed",
enable ? "start" : "stop", cmd->channel);
goto out;
}
wl1271_debug(DEBUG_BOOT, "tx %s cmd channel %d",
enable ? "start" : "stop", cmd->channel);
out:
kfree(cmd);
return ret;
}
int wl1271_cmd_ps_mode(struct wl1271 *wl, u8 ps_mode)
{
struct wl1271_cmd_ps_params *ps_params = NULL;
int ret = 0;
wl1271_debug(DEBUG_CMD, "cmd set ps mode");
ps_params = kzalloc(sizeof(*ps_params), GFP_KERNEL);
if (!ps_params) {
ret = -ENOMEM;
goto out;
}
ps_params->ps_mode = ps_mode;
ret = wl1271_cmd_send(wl, CMD_SET_PS_MODE, ps_params,
sizeof(*ps_params), 0);
if (ret < 0) {
wl1271_error("cmd set_ps_mode failed");
goto out;
}
out:
kfree(ps_params);
return ret;
}
int wl1271_cmd_template_set(struct wl1271 *wl, u16 template_id,
void *buf, size_t buf_len, int index, u32 rates)
{
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(rates);
cmd->short_retry_limit = wl->conf.tx.tmpl_short_retry_limit;
cmd->long_retry_limit = wl->conf.tx.tmpl_long_retry_limit;
cmd->index = index;
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;
}
int wl1271_cmd_build_null_data(struct wl1271 *wl)
{
struct sk_buff *skb = NULL;
int size;
void *ptr;
int ret = -ENOMEM;
if (wl->bss_type == BSS_TYPE_IBSS) {
size = sizeof(struct wl12xx_null_data_template);
ptr = NULL;
} else {
skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
if (!skb)
goto out;
size = skb->len;
ptr = skb->data;
}
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_NULL_DATA, ptr, size, 0,
wl->basic_rate);
out:
dev_kfree_skb(skb);
if (ret)
wl1271_warning("cmd buld null data failed %d", ret);
return ret;
}
int wl1271_cmd_build_klv_null_data(struct wl1271 *wl)
{
struct sk_buff *skb = NULL;
int ret = -ENOMEM;
skb = ieee80211_nullfunc_get(wl->hw, wl->vif);
if (!skb)
goto out;
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_KLV,
skb->data, skb->len,
CMD_TEMPL_KLV_IDX_NULL_DATA,
wl->basic_rate);
out:
dev_kfree_skb(skb);
if (ret)
wl1271_warning("cmd build klv null data failed %d", ret);
return ret;
}
int wl1271_cmd_build_ps_poll(struct wl1271 *wl, u16 aid)
{
struct sk_buff *skb;
int ret = 0;
skb = ieee80211_pspoll_get(wl->hw, wl->vif);
if (!skb)
goto out;
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_PS_POLL, skb->data,
skb->len, 0, wl->basic_rate_set);
out:
dev_kfree_skb(skb);
return ret;
}
int wl1271_cmd_build_probe_req(struct wl1271 *wl,
const u8 *ssid, size_t ssid_len,
const u8 *ie, size_t ie_len, u8 band)
{
struct sk_buff *skb;
int ret;
skb = ieee80211_probereq_get(wl->hw, wl->vif, ssid, ssid_len,
ie, ie_len);
if (!skb) {
ret = -ENOMEM;
goto out;
}
wl1271_dump(DEBUG_SCAN, "PROBE REQ: ", skb->data, skb->len);
if (band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate_5);
out:
dev_kfree_skb(skb);
return ret;
}
struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl,
struct sk_buff *skb)
{
int ret;
if (!skb)
skb = ieee80211_ap_probereq_get(wl->hw, wl->vif);
if (!skb)
goto out;
wl1271_dump(DEBUG_SCAN, "AP PROBE REQ: ", skb->data, skb->len);
if (wl->band == IEEE80211_BAND_2GHZ)
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_2_4,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate);
else
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_CFG_PROBE_REQ_5,
skb->data, skb->len, 0,
wl->conf.tx.basic_rate_5);
if (ret < 0)
wl1271_error("Unable to set ap probe request template.");
out:
return skb;
}
int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, __be32 ip_addr)
{
int ret;
struct wl12xx_arp_rsp_template tmpl;
struct ieee80211_hdr_3addr *hdr;
struct arphdr *arp_hdr;
memset(&tmpl, 0, sizeof(tmpl));
/* mac80211 header */
hdr = &tmpl.hdr;
hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
IEEE80211_STYPE_DATA |
IEEE80211_FCTL_TODS);
memcpy(hdr->addr1, wl->vif->bss_conf.bssid, ETH_ALEN);
memcpy(hdr->addr2, wl->vif->addr, ETH_ALEN);
memset(hdr->addr3, 0xff, ETH_ALEN);
/* llc layer */
memcpy(tmpl.llc_hdr, rfc1042_header, sizeof(rfc1042_header));
tmpl.llc_type = cpu_to_be16(ETH_P_ARP);
/* arp header */
arp_hdr = &tmpl.arp_hdr;
arp_hdr->ar_hrd = cpu_to_be16(ARPHRD_ETHER);
arp_hdr->ar_pro = cpu_to_be16(ETH_P_IP);
arp_hdr->ar_hln = ETH_ALEN;
arp_hdr->ar_pln = 4;
arp_hdr->ar_op = cpu_to_be16(ARPOP_REPLY);
/* arp payload */
memcpy(tmpl.sender_hw, wl->vif->addr, ETH_ALEN);
tmpl.sender_ip = ip_addr;
ret = wl1271_cmd_template_set(wl, CMD_TEMPL_ARP_RSP,
&tmpl, sizeof(tmpl), 0,
wl->basic_rate);
return ret;
}
int wl1271_build_qos_null_data(struct wl1271 *wl)
{
struct ieee80211_qos_hdr template;
memset(&template, 0, sizeof(template));
memcpy(template.addr1, wl->bssid, ETH_ALEN);
memcpy(template.addr2, wl->mac_addr, ETH_ALEN);
memcpy(template.addr3, wl->bssid, ETH_ALEN);
template.frame_control = cpu_to_le16(IEEE80211_FTYPE_DATA |
IEEE80211_STYPE_QOS_NULLFUNC |
IEEE80211_FCTL_TODS);
/* FIXME: not sure what priority to use here */
template.qos_ctrl = cpu_to_le16(0);
return wl1271_cmd_template_set(wl, CMD_TEMPL_QOS_NULL_DATA, &template,
sizeof(template), 0,
wl->basic_rate);
}
int wl1271_cmd_set_sta_default_wep_key(struct wl1271 *wl, u8 id)
{
struct wl1271_cmd_set_sta_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_ap_default_wep_key(struct wl1271 *wl, u8 id)
{
struct wl1271_cmd_set_ap_keys *cmd;
int ret = 0;
wl1271_debug(DEBUG_CMD, "cmd set_ap_default_wep_key %d", id);
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
cmd->hlid = WL1271_AP_BROADCAST_HLID;
cmd->key_id = id;
cmd->lid_key_type = WEP_DEFAULT_LID_TYPE;
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_ap_default_wep_key failed: %d", ret);
goto out;
}
out:
kfree(cmd);
return ret;
}
int wl1271_cmd_set_sta_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_sta_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_set_ap_key(struct wl1271 *wl, u16 action, u8 id, u8 key_type,
u8 key_size, const u8 *key, u8 hlid, u32 tx_seq_32,
u16 tx_seq_16)
{
struct wl1271_cmd_set_ap_keys *cmd;
int ret = 0;
u8 lid_type;
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd)
return -ENOMEM;
if (hlid == WL1271_AP_BROADCAST_HLID) {
if (key_type == KEY_WEP)
lid_type = WEP_DEFAULT_LID_TYPE;
else
lid_type = BROADCAST_LID_TYPE;
} else {
lid_type = UNICAST_LID_TYPE;
}
wl1271_debug(DEBUG_CRYPT, "ap key action: %d id: %d lid: %d type: %d"
" hlid: %d", (int)action, (int)id, (int)lid_type,
(int)key_type, (int)hlid);
cmd->lid_key_type = lid_type;
cmd->hlid = hlid;
cmd->key_action = cpu_to_le16(action);
cmd->key_size = key_size;
cmd->key_type = key_type;
cmd->key_id = id;
cmd->ac_seq_num16[0] = cpu_to_le16(tx_seq_16);
cmd->ac_seq_num32[0] = cpu_to_le32(tx_seq_32);
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 AP KEY: ", cmd, sizeof(*cmd));
ret = wl1271_cmd_send(wl, CMD_SET_KEYS, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_warning("could not set ap 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;
}
ret = wl1271_cmd_wait_for_event(wl, DISCONNECT_EVENT_COMPLETE_ID);
if (ret < 0)
wl1271_error("cmd disconnect event completion error");
out_free:
kfree(cmd);
out:
return ret;
}
int wl1271_cmd_set_sta_state(struct wl1271 *wl)
{
struct wl1271_cmd_set_sta_state *cmd;
int ret = 0;
wl1271_debug(DEBUG_CMD, "cmd set sta state");
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
cmd->state = WL1271_CMD_STA_STATE_CONNECTED;
ret = wl1271_cmd_send(wl, CMD_SET_STA_STATE, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to send set STA state command");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
int wl1271_cmd_start_bss(struct wl1271 *wl)
{
struct wl1271_cmd_bss_start *cmd;
struct ieee80211_bss_conf *bss_conf = &wl->vif->bss_conf;
int ret;
wl1271_debug(DEBUG_CMD, "cmd start bss");
/*
* FIXME: We currently do not support hidden SSID. The real SSID
* should be fetched from mac80211 first.
*/
if (wl->ssid_len == 0) {
wl1271_warning("Hidden SSID currently not supported for AP");
ret = -EINVAL;
goto out;
}
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
memcpy(cmd->bssid, bss_conf->bssid, ETH_ALEN);
cmd->aging_period = cpu_to_le16(wl->conf.tx.ap_aging_period);
cmd->bss_index = WL1271_AP_BSS_INDEX;
cmd->global_hlid = WL1271_AP_GLOBAL_HLID;
cmd->broadcast_hlid = WL1271_AP_BROADCAST_HLID;
cmd->basic_rate_set = cpu_to_le32(wl->basic_rate_set);
cmd->beacon_interval = cpu_to_le16(wl->beacon_int);
cmd->dtim_interval = bss_conf->dtim_period;
cmd->beacon_expiry = WL1271_AP_DEF_BEACON_EXP;
cmd->channel = wl->channel;
cmd->ssid_len = wl->ssid_len;
cmd->ssid_type = SSID_TYPE_PUBLIC;
memcpy(cmd->ssid, wl->ssid, wl->ssid_len);
switch (wl->band) {
case IEEE80211_BAND_2GHZ:
cmd->band = RADIO_BAND_2_4GHZ;
break;
case IEEE80211_BAND_5GHZ:
cmd->band = RADIO_BAND_5GHZ;
break;
default:
wl1271_warning("bss start - unknown band: %d", (int)wl->band);
cmd->band = RADIO_BAND_2_4GHZ;
break;
}
ret = wl1271_cmd_send(wl, CMD_BSS_START, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd start bss");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
int wl1271_cmd_stop_bss(struct wl1271 *wl)
{
struct wl1271_cmd_bss_start *cmd;
int ret;
wl1271_debug(DEBUG_CMD, "cmd stop bss");
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
cmd->bss_index = WL1271_AP_BSS_INDEX;
ret = wl1271_cmd_send(wl, CMD_BSS_STOP, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd stop bss");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
int wl1271_cmd_add_sta(struct wl1271 *wl, struct ieee80211_sta *sta, u8 hlid)
{
struct wl1271_cmd_add_sta *cmd;
int ret;
wl1271_debug(DEBUG_CMD, "cmd add sta %d", (int)hlid);
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
/* currently we don't support UAPSD */
cmd->sp_len = 0;
memcpy(cmd->addr, sta->addr, ETH_ALEN);
cmd->bss_index = WL1271_AP_BSS_INDEX;
cmd->aid = sta->aid;
cmd->hlid = hlid;
cmd->wmm = sta->wme ? 1 : 0;
cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl,
sta->supp_rates[wl->band]));
wl1271_debug(DEBUG_CMD, "new sta rates: 0x%x", cmd->supported_rates);
ret = wl1271_cmd_send(wl, CMD_ADD_STA, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd add sta");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
int wl1271_cmd_remove_sta(struct wl1271 *wl, u8 hlid)
{
struct wl1271_cmd_remove_sta *cmd;
int ret;
wl1271_debug(DEBUG_CMD, "cmd remove sta %d", (int)hlid);
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
cmd->hlid = hlid;
/* We never send a deauth, mac80211 is in charge of this */
cmd->reason_opcode = 0;
cmd->send_deauth_flag = 0;
ret = wl1271_cmd_send(wl, CMD_REMOVE_STA, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to initiate cmd remove sta");
goto out_free;
}
/*
* We are ok with a timeout here. The event is sometimes not sent
* due to a firmware bug.
*/
wl1271_cmd_wait_for_event_or_timeout(wl, STA_REMOVE_COMPLETE_EVENT_ID);
out_free:
kfree(cmd);
out:
return ret;
}
int wl12xx_cmd_config_fwlog(struct wl1271 *wl)
{
struct wl12xx_cmd_config_fwlog *cmd;
int ret = 0;
wl1271_debug(DEBUG_CMD, "cmd config firmware logger");
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
cmd->logger_mode = wl->conf.fwlog.mode;
cmd->log_severity = wl->conf.fwlog.severity;
cmd->timestamp = wl->conf.fwlog.timestamp;
cmd->output = wl->conf.fwlog.output;
cmd->threshold = wl->conf.fwlog.threshold;
ret = wl1271_cmd_send(wl, CMD_CONFIG_FWLOGGER, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to send config firmware logger command");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
int wl12xx_cmd_start_fwlog(struct wl1271 *wl)
{
struct wl12xx_cmd_start_fwlog *cmd;
int ret = 0;
wl1271_debug(DEBUG_CMD, "cmd start firmware logger");
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
ret = wl1271_cmd_send(wl, CMD_START_FWLOGGER, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to send start firmware logger command");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
int wl12xx_cmd_stop_fwlog(struct wl1271 *wl)
{
struct wl12xx_cmd_stop_fwlog *cmd;
int ret = 0;
wl1271_debug(DEBUG_CMD, "cmd stop firmware logger");
cmd = kzalloc(sizeof(*cmd), GFP_KERNEL);
if (!cmd) {
ret = -ENOMEM;
goto out;
}
ret = wl1271_cmd_send(wl, CMD_STOP_FWLOGGER, cmd, sizeof(*cmd), 0);
if (ret < 0) {
wl1271_error("failed to send stop firmware logger command");
goto out_free;
}
out_free:
kfree(cmd);
out:
return ret;
}
|