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alistair23-linux
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libertas: convert adhoc operations to direct commands 

with fixes for v9 and later firmware too.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Dan Williams 2008-08-21 21:46:59 -04:00 committed by John W. Linville
parent d5db2dfa66
commit f5fe1fdaae
7 changed files with 303 additions and 401 deletions
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632
drivers/net/wireless/libertas/assoc.c
View File

@ -8,6 +8,7 @@
#include "scan.h"
#include "cmd.h"
static int lbs_adhoc_post(struct lbs_private *priv, struct cmd_header *resp);
static const u8 bssid_any[ETH_ALEN] __attribute__ ((aligned (2))) =
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
@ -20,6 +21,82 @@ static const u8 bssid_off[ETH_ALEN] __attribute__ ((aligned (2))) =
#define CAPINFO_MASK (~(0xda00))
/**
* @brief This function finds common rates between rates and card rates.
*
* It will fill common rates in rates as output if found.
*
* NOTE: Setting the MSB of the basic rates need to be taken
* care, either before or after calling this function
*
* @param priv A pointer to struct lbs_private structure
* @param rates the buffer which keeps input and output
* @param rates_size the size of rate1 buffer; new size of buffer on return
*
* @return 0 on success, or -1 on error
*/
static int get_common_rates(struct lbs_private *priv,
u8 *rates,
u16 *rates_size)
{
u8 *card_rates = lbs_bg_rates;
size_t num_card_rates = sizeof(lbs_bg_rates);
int ret = 0, i, j;
u8 tmp[30];
size_t tmp_size = 0;
/* For each rate in card_rates that exists in rate1, copy to tmp */
for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
for (j = 0; rates[j] && (j < *rates_size); j++) {
if (rates[j] == card_rates[i])
tmp[tmp_size++] = card_rates[i];
}
}
lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates);
lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
if (!priv->enablehwauto) {
for (i = 0; i < tmp_size; i++) {
if (tmp[i] == priv->cur_rate)
goto done;
}
lbs_pr_alert("Previously set fixed data rate %#x isn't "
"compatible with the network.\n", priv->cur_rate);
ret = -1;
goto done;
}
ret = 0;
done:
memset(rates, 0, *rates_size);
*rates_size = min_t(int, tmp_size, *rates_size);
memcpy(rates, tmp, *rates_size);
return ret;
}
/**
* @brief Sets the MSB on basic rates as the firmware requires
*
* Scan through an array and set the MSB for basic data rates.
*
* @param rates buffer of data rates
* @param len size of buffer
*/
static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
{
int i;
for (i = 0; i < len; i++) {
if (rates[i] == 0x02 || rates[i] == 0x04 ||
rates[i] == 0x0b || rates[i] == 0x16)
rates[i] |= 0x80;
}
}
/**
* @brief Associate to a specific BSS discovered in a scan
@ -66,14 +143,17 @@ out:
* @param priv A pointer to struct lbs_private structure
* @param assoc_req The association request describing the BSS to join
*
* @return 0--success, -1--fail
* @return 0 on success, error on failure
*/
static int lbs_join_adhoc_network(struct lbs_private *priv,
static int lbs_adhoc_join(struct lbs_private *priv,
struct assoc_request *assoc_req)
{
struct cmd_ds_802_11_ad_hoc_join cmd;
struct bss_descriptor *bss = &assoc_req->bss;
int ret = 0;
u8 preamble = RADIO_PREAMBLE_LONG;
DECLARE_MAC_BUF(mac);
u16 ratesize = 0;
int ret = 0;
lbs_deb_enter(LBS_DEB_ASSOC);
@ -123,10 +203,88 @@ static int lbs_join_adhoc_network(struct lbs_private *priv,
lbs_deb_join("AdhocJoin: band = %c\n", assoc_req->band);
priv->adhoccreate = 0;
priv->curbssparams.channel = bss->channel;
ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_JOIN,
0, CMD_OPTION_WAITFORRSP,
OID_802_11_SSID, assoc_req);
/* Build the join command */
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.size = cpu_to_le16(sizeof(cmd));
cmd.bss.type = CMD_BSS_TYPE_IBSS;
cmd.bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
memcpy(&cmd.bss.bssid, &bss->bssid, ETH_ALEN);
memcpy(&cmd.bss.ssid, &bss->ssid, bss->ssid_len);
memcpy(&cmd.bss.phyparamset, &bss->phyparamset,
sizeof(union ieeetypes_phyparamset));
memcpy(&cmd.bss.ssparamset, &bss->ssparamset,
sizeof(union IEEEtypes_ssparamset));
cmd.bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
bss->capability, CAPINFO_MASK);
/* information on BSSID descriptor passed to FW */
lbs_deb_join("ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
print_mac(mac, cmd.bss.bssid), cmd.bss.ssid);
/* Only v8 and below support setting these */
if (priv->fwrelease < 0x09000000) {
/* failtimeout */
cmd.failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
/* probedelay */
cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
}
/* Copy Data rates from the rates recorded in scan response */
memset(cmd.bss.rates, 0, sizeof(cmd.bss.rates));
ratesize = min_t(u16, sizeof(cmd.bss.rates), MAX_RATES);
memcpy(cmd.bss.rates, bss->rates, ratesize);
if (get_common_rates(priv, cmd.bss.rates, &ratesize)) {
lbs_deb_join("ADHOC_JOIN: get_common_rates returned error.\n");
ret = -1;
goto out;
}
/* Copy the ad-hoc creation rates into Current BSS state structure */
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
memcpy(&priv->curbssparams.rates, cmd.bss.rates, ratesize);
/* Set MSB on basic rates as the firmware requires, but _after_
* copying to current bss rates.
*/
lbs_set_basic_rate_flags(cmd.bss.rates, ratesize);
cmd.bss.ssparamset.ibssparamset.atimwindow = cpu_to_le16(bss->atimwindow);
if (assoc_req->secinfo.wep_enabled) {
u16 tmp = le16_to_cpu(cmd.bss.capability);
tmp |= WLAN_CAPABILITY_PRIVACY;
cmd.bss.capability = cpu_to_le16(tmp);
}
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
__le32 local_ps_mode = cpu_to_le32(LBS802_11POWERMODECAM);
/* wake up first */
ret = lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE,
CMD_ACT_SET, 0, 0,
&local_ps_mode);
if (ret) {
ret = -1;
goto out;
}
}
if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
ret = -1;
goto out;
}
ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_JOIN, &cmd);
if (ret == 0)
ret = lbs_adhoc_post(priv, (struct cmd_header *) &cmd);
out:
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
@ -138,20 +296,22 @@ out:
*
* @param priv A pointer to struct lbs_private structure
* @param assoc_req The association request describing the BSS to start
* @return 0--success, -1--fail
*
* @return 0 on success, error on failure
*/
static int lbs_start_adhoc_network(struct lbs_private *priv,
static int lbs_adhoc_start(struct lbs_private *priv,
struct assoc_request *assoc_req)
{
int ret = 0;
struct cmd_ds_802_11_ad_hoc_start cmd;
u8 preamble = RADIO_PREAMBLE_LONG;
size_t ratesize = 0;
u16 tmpcap = 0;
int ret = 0;
lbs_deb_enter(LBS_DEB_ASSOC);
priv->adhoccreate = 1;
if (priv->capability & WLAN_CAPABILITY_SHORT_PREAMBLE) {
lbs_deb_join("AdhocStart: Short preamble\n");
lbs_deb_join("ADHOC_START: Will use short preamble\n");
preamble = RADIO_PREAMBLE_SHORT;
}
@ -159,21 +319,107 @@ static int lbs_start_adhoc_network(struct lbs_private *priv,
if (ret)
goto out;
lbs_deb_join("AdhocStart: channel = %d\n", assoc_req->channel);
lbs_deb_join("AdhocStart: band = %d\n", assoc_req->band);
/* Build the start command */
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.size = cpu_to_le16(sizeof(cmd));
ret = lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_START,
0, CMD_OPTION_WAITFORRSP, 0, assoc_req);
memcpy(cmd.ssid, assoc_req->ssid, assoc_req->ssid_len);
lbs_deb_join("ADHOC_START: SSID '%s', ssid length %u\n",
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
assoc_req->ssid_len);
cmd.bsstype = CMD_BSS_TYPE_IBSS;
if (priv->beacon_period == 0)
priv->beacon_period = MRVDRV_BEACON_INTERVAL;
cmd.beaconperiod = cpu_to_le16(priv->beacon_period);
WARN_ON(!assoc_req->channel);
/* set Physical parameter set */
cmd.phyparamset.dsparamset.elementid = MFIE_TYPE_DS_SET;
cmd.phyparamset.dsparamset.len = 1;
cmd.phyparamset.dsparamset.currentchan = assoc_req->channel;
/* set IBSS parameter set */
cmd.ssparamset.ibssparamset.elementid = MFIE_TYPE_IBSS_SET;
cmd.ssparamset.ibssparamset.len = 2;
cmd.ssparamset.ibssparamset.atimwindow = 0;
/* set capability info */
tmpcap = WLAN_CAPABILITY_IBSS;
if (assoc_req->secinfo.wep_enabled) {
lbs_deb_join("ADHOC_START: WEP enabled, setting privacy on\n");
tmpcap |= WLAN_CAPABILITY_PRIVACY;
} else
lbs_deb_join("ADHOC_START: WEP disabled, setting privacy off\n");
cmd.capability = cpu_to_le16(tmpcap);
/* Only v8 and below support setting probe delay */
if (priv->fwrelease < 0x09000000)
cmd.probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
ratesize = min(sizeof(cmd.rates), sizeof(lbs_bg_rates));
memcpy(cmd.rates, lbs_bg_rates, ratesize);
/* Copy the ad-hoc creating rates into Current BSS state structure */
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
memcpy(&priv->curbssparams.rates, &cmd.rates, ratesize);
/* Set MSB on basic rates as the firmware requires, but _after_
* copying to current bss rates.
*/
lbs_set_basic_rate_flags(cmd.rates, ratesize);
lbs_deb_join("ADHOC_START: rates=%02x %02x %02x %02x\n",
cmd.rates[0], cmd.rates[1], cmd.rates[2], cmd.rates[3]);
if (lbs_create_dnld_countryinfo_11d(priv)) {
lbs_deb_join("ADHOC_START: dnld_countryinfo_11d failed\n");
ret = -1;
goto out;
}
lbs_deb_join("ADHOC_START: Starting Ad-Hoc BSS on channel %d, band %d\n",
assoc_req->channel, assoc_req->band);
priv->adhoccreate = 1;
priv->mode = IW_MODE_ADHOC;
ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_START, &cmd);
if (ret == 0)
ret = lbs_adhoc_post(priv, (struct cmd_header *) &cmd);
out:
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
int lbs_stop_adhoc_network(struct lbs_private *priv)
/**
* @brief Stop and Ad-Hoc network and exit Ad-Hoc mode
*
* @param priv A pointer to struct lbs_private structure
* @return 0 on success, or an error
*/
int lbs_adhoc_stop(struct lbs_private *priv)
{
return lbs_prepare_and_send_command(priv, CMD_802_11_AD_HOC_STOP,
0, CMD_OPTION_WAITFORRSP, 0, NULL);
struct cmd_ds_802_11_ad_hoc_stop cmd;
int ret;
lbs_deb_enter(LBS_DEB_JOIN);
memset(&cmd, 0, sizeof (cmd));
cmd.hdr.size = cpu_to_le16 (sizeof (cmd));
ret = lbs_cmd_with_response(priv, CMD_802_11_AD_HOC_STOP, &cmd);
/* Clean up everything even if there was an error */
lbs_mac_event_disconnected(priv);
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}
static inline int match_bss_no_security(struct lbs_802_11_security *secinfo,
@ -485,14 +731,14 @@ static int assoc_helper_essid(struct lbs_private *priv,
if (bss != NULL) {
lbs_deb_assoc("SSID found, will join\n");
memcpy(&assoc_req->bss, bss, sizeof(struct bss_descriptor));
lbs_join_adhoc_network(priv, assoc_req);
lbs_adhoc_join(priv, assoc_req);
} else {
/* else send START command */
lbs_deb_assoc("SSID not found, creating adhoc network\n");
memcpy(&assoc_req->bss.ssid, &assoc_req->ssid,
IW_ESSID_MAX_SIZE);
assoc_req->bss.ssid_len = assoc_req->ssid_len;
lbs_start_adhoc_network(priv, assoc_req);
lbs_adhoc_start(priv, assoc_req);
}
}
@ -525,7 +771,7 @@ static int assoc_helper_bssid(struct lbs_private *priv,
ret = lbs_associate(priv, assoc_req);
lbs_deb_assoc("ASSOC: lbs_associate(bssid) returned %d\n", ret);
} else if (assoc_req->mode == IW_MODE_ADHOC) {
lbs_join_adhoc_network(priv, assoc_req);
lbs_adhoc_join(priv, assoc_req);
}
out:
@ -1045,7 +1291,7 @@ void lbs_association_worker(struct work_struct *work)
}
} else if (priv->mode == IW_MODE_ADHOC) {
if (should_stop_adhoc(priv, assoc_req)) {
ret = lbs_stop_adhoc_network(priv);
ret = lbs_adhoc_stop(priv);
if (ret) {
lbs_deb_assoc("Teardown of AdHoc network due to "
"new configuration request failed: %d\n",
@ -1220,82 +1466,6 @@ struct assoc_request *lbs_get_association_request(struct lbs_private *priv)
}
/**
* @brief This function finds common rates between rate1 and card rates.
*
* It will fill common rates in rate1 as output if found.
*
* NOTE: Setting the MSB of the basic rates need to be taken
* care, either before or after calling this function
*
* @param priv A pointer to struct lbs_private structure
* @param rate1 the buffer which keeps input and output
* @param rate1_size the size of rate1 buffer; new size of buffer on return
*
* @return 0 or -1
*/
static int get_common_rates(struct lbs_private *priv,
u8 *rates,
u16 *rates_size)
{
u8 *card_rates = lbs_bg_rates;
size_t num_card_rates = sizeof(lbs_bg_rates);
int ret = 0, i, j;
u8 tmp[30];
size_t tmp_size = 0;
/* For each rate in card_rates that exists in rate1, copy to tmp */
for (i = 0; card_rates[i] && (i < num_card_rates); i++) {
for (j = 0; rates[j] && (j < *rates_size); j++) {
if (rates[j] == card_rates[i])
tmp[tmp_size++] = card_rates[i];
}
}
lbs_deb_hex(LBS_DEB_JOIN, "AP rates ", rates, *rates_size);
lbs_deb_hex(LBS_DEB_JOIN, "card rates ", card_rates, num_card_rates);
lbs_deb_hex(LBS_DEB_JOIN, "common rates", tmp, tmp_size);
lbs_deb_join("TX data rate 0x%02x\n", priv->cur_rate);
if (!priv->enablehwauto) {
for (i = 0; i < tmp_size; i++) {
if (tmp[i] == priv->cur_rate)
goto done;
}
lbs_pr_alert("Previously set fixed data rate %#x isn't "
"compatible with the network.\n", priv->cur_rate);
ret = -1;
goto done;
}
ret = 0;
done:
memset(rates, 0, *rates_size);
*rates_size = min_t(int, tmp_size, *rates_size);
memcpy(rates, tmp, *rates_size);
return ret;
}
/**
* @brief Sets the MSB on basic rates as the firmware requires
*
* Scan through an array and set the MSB for basic data rates.
*
* @param rates buffer of data rates
* @param len size of buffer
*/
static void lbs_set_basic_rate_flags(u8 *rates, size_t len)
{
int i;
for (i = 0; i < len; i++) {
if (rates[i] == 0x02 || rates[i] == 0x04 ||
rates[i] == 0x0b || rates[i] == 0x16)
rates[i] |= 0x80;
}
}
/**
* @brief This function prepares command of authenticate.
*
@ -1495,231 +1665,6 @@ done:
return ret;
}
int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
struct cmd_ds_command *cmd, void *pdata_buf)
{
struct cmd_ds_802_11_ad_hoc_start *adhs = &cmd->params.ads;
int ret = 0;
int cmdappendsize = 0;
struct assoc_request *assoc_req = pdata_buf;
u16 tmpcap = 0;
size_t ratesize = 0;
lbs_deb_enter(LBS_DEB_JOIN);
if (!priv) {
ret = -1;
goto done;
}
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_START);
/*
* Fill in the parameters for 2 data structures:
* 1. cmd_ds_802_11_ad_hoc_start command
* 2. priv->scantable[i]
*
* Driver will fill up SSID, bsstype,IBSS param, Physical Param,
* probe delay, and cap info.
*
* Firmware will fill up beacon period, DTIM, Basic rates
* and operational rates.
*/
memset(adhs->ssid, 0, IW_ESSID_MAX_SIZE);
memcpy(adhs->ssid, assoc_req->ssid, assoc_req->ssid_len);
lbs_deb_join("ADHOC_S_CMD: SSID '%s', ssid length %u\n",
escape_essid(assoc_req->ssid, assoc_req->ssid_len),
assoc_req->ssid_len);
/* set the BSS type */
adhs->bsstype = CMD_BSS_TYPE_IBSS;
priv->mode = IW_MODE_ADHOC;
if (priv->beacon_period == 0)
priv->beacon_period = MRVDRV_BEACON_INTERVAL;
adhs->beaconperiod = cpu_to_le16(priv->beacon_period);
/* set Physical param set */
#define DS_PARA_IE_ID 3
#define DS_PARA_IE_LEN 1
adhs->phyparamset.dsparamset.elementid = DS_PARA_IE_ID;
adhs->phyparamset.dsparamset.len = DS_PARA_IE_LEN;
WARN_ON(!assoc_req->channel);
lbs_deb_join("ADHOC_S_CMD: Creating ADHOC on channel %d\n",
assoc_req->channel);
adhs->phyparamset.dsparamset.currentchan = assoc_req->channel;
/* set IBSS param set */
#define IBSS_PARA_IE_ID 6
#define IBSS_PARA_IE_LEN 2
adhs->ssparamset.ibssparamset.elementid = IBSS_PARA_IE_ID;
adhs->ssparamset.ibssparamset.len = IBSS_PARA_IE_LEN;
adhs->ssparamset.ibssparamset.atimwindow = 0;
/* set capability info */
tmpcap = WLAN_CAPABILITY_IBSS;
if (assoc_req->secinfo.wep_enabled) {
lbs_deb_join("ADHOC_S_CMD: WEP enabled, "
"setting privacy on\n");
tmpcap |= WLAN_CAPABILITY_PRIVACY;
} else {
lbs_deb_join("ADHOC_S_CMD: WEP disabled, "
"setting privacy off\n");
}
adhs->capability = cpu_to_le16(tmpcap);
/* probedelay */
adhs->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
memset(adhs->rates, 0, sizeof(adhs->rates));
ratesize = min(sizeof(adhs->rates), sizeof(lbs_bg_rates));
memcpy(adhs->rates, lbs_bg_rates, ratesize);
/* Copy the ad-hoc creating rates into Current BSS state structure */
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
memcpy(&priv->curbssparams.rates, &adhs->rates, ratesize);
/* Set MSB on basic rates as the firmware requires, but _after_
* copying to current bss rates.
*/
lbs_set_basic_rate_flags(adhs->rates, ratesize);
lbs_deb_join("ADHOC_S_CMD: rates=%02x %02x %02x %02x \n",
adhs->rates[0], adhs->rates[1], adhs->rates[2], adhs->rates[3]);
lbs_deb_join("ADHOC_S_CMD: AD HOC Start command is ready\n");
if (lbs_create_dnld_countryinfo_11d(priv)) {
lbs_deb_join("ADHOC_S_CMD: dnld_countryinfo_11d failed\n");
ret = -1;
goto done;
}
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_start) +
S_DS_GEN + cmdappendsize);
ret = 0;
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd)
{
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_STOP);
cmd->size = cpu_to_le16(S_DS_GEN);
return 0;
}
int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
struct cmd_ds_command *cmd, void *pdata_buf)
{
struct cmd_ds_802_11_ad_hoc_join *join_cmd = &cmd->params.adj;
struct assoc_request *assoc_req = pdata_buf;
struct bss_descriptor *bss = &assoc_req->bss;
int cmdappendsize = 0;
int ret = 0;
u16 ratesize = 0;
DECLARE_MAC_BUF(mac);
lbs_deb_enter(LBS_DEB_JOIN);
cmd->command = cpu_to_le16(CMD_802_11_AD_HOC_JOIN);
join_cmd->bss.type = CMD_BSS_TYPE_IBSS;
join_cmd->bss.beaconperiod = cpu_to_le16(bss->beaconperiod);
memcpy(&join_cmd->bss.bssid, &bss->bssid, ETH_ALEN);
memcpy(&join_cmd->bss.ssid, &bss->ssid, bss->ssid_len);
memcpy(&join_cmd->bss.phyparamset, &bss->phyparamset,
sizeof(union ieeetypes_phyparamset));
memcpy(&join_cmd->bss.ssparamset, &bss->ssparamset,
sizeof(union IEEEtypes_ssparamset));
join_cmd->bss.capability = cpu_to_le16(bss->capability & CAPINFO_MASK);
lbs_deb_join("ADHOC_J_CMD: tmpcap=%4X CAPINFO_MASK=%4X\n",
bss->capability, CAPINFO_MASK);
/* information on BSSID descriptor passed to FW */
lbs_deb_join(
"ADHOC_J_CMD: BSSID = %s, SSID = '%s'\n",
print_mac(mac, join_cmd->bss.bssid),
join_cmd->bss.ssid);
/* failtimeout */
join_cmd->failtimeout = cpu_to_le16(MRVDRV_ASSOCIATION_TIME_OUT);
/* probedelay */
join_cmd->probedelay = cpu_to_le16(CMD_SCAN_PROBE_DELAY_TIME);
priv->curbssparams.channel = bss->channel;
/* Copy Data rates from the rates recorded in scan response */
memset(join_cmd->bss.rates, 0, sizeof(join_cmd->bss.rates));
ratesize = min_t(u16, sizeof(join_cmd->bss.rates), MAX_RATES);
memcpy(join_cmd->bss.rates, bss->rates, ratesize);
if (get_common_rates(priv, join_cmd->bss.rates, &ratesize)) {
lbs_deb_join("ADHOC_J_CMD: get_common_rates returns error.\n");
ret = -1;
goto done;
}
/* Copy the ad-hoc creating rates into Current BSS state structure */
memset(&priv->curbssparams.rates, 0, sizeof(priv->curbssparams.rates));
memcpy(&priv->curbssparams.rates, join_cmd->bss.rates, ratesize);
/* Set MSB on basic rates as the firmware requires, but _after_
* copying to current bss rates.
*/
lbs_set_basic_rate_flags(join_cmd->bss.rates, ratesize);
join_cmd->bss.ssparamset.ibssparamset.atimwindow =
cpu_to_le16(bss->atimwindow);
if (assoc_req->secinfo.wep_enabled) {
u16 tmp = le16_to_cpu(join_cmd->bss.capability);
tmp |= WLAN_CAPABILITY_PRIVACY;
join_cmd->bss.capability = cpu_to_le16(tmp);
}
if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
/* wake up first */
__le32 Localpsmode;
Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM);
ret = lbs_prepare_and_send_command(priv,
CMD_802_11_PS_MODE,
CMD_ACT_SET,
0, 0, &Localpsmode);
if (ret) {
ret = -1;
goto done;
}
}
if (lbs_parse_dnld_countryinfo_11d(priv, bss)) {
ret = -1;
goto done;
}
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ad_hoc_join) +
S_DS_GEN + cmdappendsize);
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int lbs_ret_80211_associate(struct lbs_private *priv,
struct cmd_ds_command *resp)
{
@ -1821,24 +1766,19 @@ done:
return ret;
}
int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
struct cmd_ds_command *resp)
static int lbs_adhoc_post(struct lbs_private *priv, struct cmd_header *resp)
{
int ret = 0;
u16 command = le16_to_cpu(resp->command);
u16 result = le16_to_cpu(resp->result);
struct cmd_ds_802_11_ad_hoc_result *padhocresult;
struct cmd_ds_802_11_ad_hoc_result *adhoc_resp;
union iwreq_data wrqu;
struct bss_descriptor *bss;
DECLARE_MAC_BUF(mac);
lbs_deb_enter(LBS_DEB_JOIN);
padhocresult = &resp->params.result;
lbs_deb_join("ADHOC_RESP: size = %d\n", le16_to_cpu(resp->size));
lbs_deb_join("ADHOC_RESP: command = %x\n", command);
lbs_deb_join("ADHOC_RESP: result = %x\n", result);
adhoc_resp = (struct cmd_ds_802_11_ad_hoc_result *) resp;
if (!priv->in_progress_assoc_req) {
lbs_deb_join("ADHOC_RESP: no in-progress association "
@ -1852,26 +1792,19 @@ int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
* Join result code 0 --> SUCCESS
*/
if (result) {
lbs_deb_join("ADHOC_RESP: failed\n");
lbs_deb_join("ADHOC_RESP: failed (result 0x%X)\n", result);
if (priv->connect_status == LBS_CONNECTED)
lbs_mac_event_disconnected(priv);
ret = -1;
goto done;
}
/*
* Now the join cmd should be successful
* If BSSID has changed use SSID to compare instead of BSSID
*/
lbs_deb_join("ADHOC_RESP: associated to '%s'\n",
escape_essid(bss->ssid, bss->ssid_len));
/* Send a Media Connected event, according to the Spec */
priv->connect_status = LBS_CONNECTED;
if (command == CMD_RET(CMD_802_11_AD_HOC_START)) {
/* Update the created network descriptor with the new BSSID */
memcpy(bss->bssid, padhocresult->bssid, ETH_ALEN);
memcpy(bss->bssid, adhoc_resp->bssid, ETH_ALEN);
}
/* Set the BSSID from the joined/started descriptor */
@ -1890,22 +1823,13 @@ int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
wrqu.ap_addr.sa_family = ARPHRD_ETHER;
wireless_send_event(priv->dev, SIOCGIWAP, &wrqu, NULL);
lbs_deb_join("ADHOC_RESP: - Joined/Started Ad Hoc\n");
lbs_deb_join("ADHOC_RESP: channel = %d\n", priv->curbssparams.channel);
lbs_deb_join("ADHOC_RESP: BSSID = %s\n",
print_mac(mac, padhocresult->bssid));
lbs_deb_join("ADHOC_RESP: Joined/started '%s', BSSID %s, channel %d\n",
escape_essid(bss->ssid, bss->ssid_len),
print_mac(mac, priv->curbssparams.bssid),
priv->curbssparams.channel);
done:
lbs_deb_leave_args(LBS_DEB_JOIN, "ret %d", ret);
return ret;
}
int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv)
{
lbs_deb_enter(LBS_DEB_JOIN);
lbs_mac_event_disconnected(priv);
lbs_deb_leave(LBS_DEB_JOIN);
return 0;
}

13
drivers/net/wireless/libertas/assoc.h
View File

@ -12,13 +12,9 @@ struct cmd_ds_command;
int lbs_cmd_80211_authenticate(struct lbs_private *priv,
struct cmd_ds_command *cmd,
void *pdata_buf);
int lbs_cmd_80211_ad_hoc_join(struct lbs_private *priv,
struct cmd_ds_command *cmd,
void *pdata_buf);
int lbs_cmd_80211_ad_hoc_stop(struct cmd_ds_command *cmd);
int lbs_cmd_80211_ad_hoc_start(struct lbs_private *priv,
struct cmd_ds_command *cmd,
void *pdata_buf);
int lbs_adhoc_stop(struct lbs_private *priv);
int lbs_cmd_80211_deauthenticate(struct lbs_private *priv,
u8 bssid[ETH_ALEN], u16 reason);
int lbs_cmd_80211_associate(struct lbs_private *priv,
@ -27,10 +23,7 @@ int lbs_cmd_80211_associate(struct lbs_private *priv,
int lbs_ret_80211_ad_hoc_start(struct lbs_private *priv,
struct cmd_ds_command *resp);
int lbs_ret_80211_ad_hoc_stop(struct lbs_private *priv);
int lbs_ret_80211_associate(struct lbs_private *priv,
struct cmd_ds_command *resp);
int lbs_stop_adhoc_network(struct lbs_private *priv);
#endif /* _LBS_ASSOC_H */

12
drivers/net/wireless/libertas/cmd.c
View File

@ -1419,10 +1419,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf);
break;
case CMD_802_11_AD_HOC_START:
ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf);
break;
case CMD_802_11_RESET:
ret = lbs_cmd_802_11_reset(cmdptr, cmd_action);
break;
@ -1447,18 +1443,10 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
cmd_action, pdata_buf);
break;
case CMD_802_11_AD_HOC_JOIN:
ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf);
break;
case CMD_802_11_RSSI:
ret = lbs_cmd_802_11_rssi(priv, cmdptr);
break;
case CMD_802_11_AD_HOC_STOP:
ret = lbs_cmd_80211_ad_hoc_stop(cmdptr);
break;
case CMD_802_11_SET_AFC:
case CMD_802_11_GET_AFC:

9
drivers/net/wireless/libertas/cmdresp.c
View File

@ -258,11 +258,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
ret = lbs_ret_80211_associate(priv, resp);
break;
case CMD_RET(CMD_802_11_AD_HOC_START):
case CMD_RET(CMD_802_11_AD_HOC_JOIN):
ret = lbs_ret_80211_ad_hoc_start(priv, resp);
break;
case CMD_RET(CMD_802_11_SNMP_MIB):
ret = lbs_ret_802_11_snmp_mib(priv, resp);
break;
@ -285,10 +280,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
ret = lbs_ret_802_11_rssi(priv, resp);
break;
case CMD_RET(CMD_802_11_AD_HOC_STOP):
ret = lbs_ret_80211_ad_hoc_stop(priv);
break;
case CMD_RET(CMD_802_11D_DOMAIN_INFO):
ret = lbs_ret_802_11d_domain_info(resp);
break;

34
drivers/net/wireless/libertas/hostcmd.h
View File

@ -257,11 +257,6 @@ struct cmd_ds_802_11_associate_rsp {
struct ieeetypes_assocrsp assocRsp;
};
struct cmd_ds_802_11_ad_hoc_result {
u8 pad[3];
u8 bssid[ETH_ALEN];
};
struct cmd_ds_802_11_set_wep {
struct cmd_header hdr;
@ -508,10 +503,12 @@ struct cmd_ds_802_11_rate_adapt_rateset {
};
struct cmd_ds_802_11_ad_hoc_start {
struct cmd_header hdr;
u8 ssid[IW_ESSID_MAX_SIZE];
u8 bsstype;
__le16 beaconperiod;
u8 dtimperiod;
u8 dtimperiod; /* Reserved on v9 and later */
union IEEEtypes_ssparamset ssparamset;
union ieeetypes_phyparamset phyparamset;
__le16 probedelay;
@ -520,9 +517,16 @@ struct cmd_ds_802_11_ad_hoc_start {
u8 tlv_memory_size_pad[100];
} __attribute__ ((packed));
struct cmd_ds_802_11_ad_hoc_result {
struct cmd_header hdr;
u8 pad[3];
u8 bssid[ETH_ALEN];
};
struct adhoc_bssdesc {
u8 bssid[6];
u8 ssid[32];
u8 bssid[ETH_ALEN];
u8 ssid[IW_ESSID_MAX_SIZE];
u8 type;
__le16 beaconperiod;
u8 dtimperiod;
@ -540,10 +544,15 @@ struct adhoc_bssdesc {
} __attribute__ ((packed));
struct cmd_ds_802_11_ad_hoc_join {
struct adhoc_bssdesc bss;
__le16 failtimeout;
__le16 probedelay;
struct cmd_header hdr;
struct adhoc_bssdesc bss;
__le16 failtimeout; /* Reserved on v9 and later */
__le16 probedelay; /* Reserved on v9 and later */
} __attribute__ ((packed));
struct cmd_ds_802_11_ad_hoc_stop {
struct cmd_header hdr;
} __attribute__ ((packed));
struct cmd_ds_802_11_enable_rsn {
@ -694,16 +703,13 @@ struct cmd_ds_command {
union {
struct cmd_ds_802_11_ps_mode psmode;
struct cmd_ds_802_11_associate associate;
struct cmd_ds_802_11_ad_hoc_start ads;
struct cmd_ds_802_11_reset reset;
struct cmd_ds_802_11_ad_hoc_result result;
struct cmd_ds_802_11_authenticate auth;
struct cmd_ds_802_11_get_stat gstat;
struct cmd_ds_802_3_get_stat gstat_8023;
struct cmd_ds_802_11_snmp_mib smib;
struct cmd_ds_802_11_rf_antenna rant;
struct cmd_ds_802_11_monitor_mode monitor;
struct cmd_ds_802_11_ad_hoc_join adj;
struct cmd_ds_802_11_rssi rssi;
struct cmd_ds_802_11_rssi_rsp rssirsp;
struct cmd_ds_mac_reg_access macreg;

2
drivers/net/wireless/libertas/main.c
View File

@ -295,7 +295,7 @@ static ssize_t lbs_rtap_set(struct device *dev,
priv->curbssparams.bssid,
WLAN_REASON_DEAUTH_LEAVING);
else if (priv->mode == IW_MODE_ADHOC)
lbs_stop_adhoc_network(priv);
lbs_adhoc_stop(priv);
lbs_add_rtap(priv);
}
priv->monitormode = monitor_mode;

2
drivers/net/wireless/libertas/wext.c
View File

@ -966,7 +966,7 @@ static int lbs_mesh_set_freq(struct net_device *dev,
priv->curbssparams.bssid,
WLAN_REASON_DEAUTH_LEAVING);
else if (priv->mode == IW_MODE_ADHOC)
lbs_stop_adhoc_network(priv);
lbs_adhoc_stop(priv);
}
lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, fwrq->m);
lbs_update_channel(priv);