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libertas: convert DATA_RATE to a direct command 

Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Dan Williams 2007-12-11 15:50:59 -05:00 коммит произвёл David S. Miller
Родитель 79a9a37c1e
Коммит 8e3c91bb70
6 изменённых файлов: 82 добавлений и 55 удалений
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91
drivers/net/wireless/libertas/cmd.c
Просмотреть файл

@ -706,30 +706,86 @@ static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv,
return 0;
}
static int lbs_cmd_802_11_data_rate(struct lbs_private *priv,
struct cmd_ds_command *cmd,
u16 cmd_action)
/**
* @brief Get the current data rate
*
* @param priv A pointer to struct lbs_private structure
*
* @return The data rate on success, error on failure
*/
int lbs_get_data_rate(struct lbs_private *priv)
{
struct cmd_ds_802_11_data_rate *pdatarate = &cmd->params.drate;
struct cmd_ds_802_11_data_rate cmd;
int ret = -1;
lbs_deb_enter(LBS_DEB_CMD);
cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_data_rate) +
S_DS_GEN);
cmd->command = cpu_to_le16(CMD_802_11_DATA_RATE);
memset(pdatarate, 0, sizeof(struct cmd_ds_802_11_data_rate));
pdatarate->action = cpu_to_le16(cmd_action);
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.size = cpu_to_le16(sizeof(cmd));
cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE);
if (cmd_action == CMD_ACT_SET_TX_FIX_RATE) {
pdatarate->rates[0] = lbs_data_rate_to_fw_index(priv->cur_rate);
lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n",
priv->cur_rate);
} else if (cmd_action == CMD_ACT_SET_TX_AUTO) {
ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
if (ret)
goto out;
lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]);
lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret);
out:
lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
return ret;
}
/**
* @brief Set the data rate
*
* @param priv A pointer to struct lbs_private structure
* @param rate The desired data rate, or 0 to clear a locked rate
*
* @return 0 on success, error on failure
*/
int lbs_set_data_rate(struct lbs_private *priv, u8 rate)
{
struct cmd_ds_802_11_data_rate cmd;
int ret = 0;
lbs_deb_enter(LBS_DEB_CMD);
memset(&cmd, 0, sizeof(cmd));
cmd.hdr.size = cpu_to_le16(sizeof(cmd));
if (rate > 0) {
cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE);
cmd.rates[0] = lbs_data_rate_to_fw_index(rate);
if (cmd.rates[0] == 0) {
lbs_deb_cmd("DATA_RATE: invalid requested rate of"
" 0x%02X\n", rate);
ret = 0;
goto out;
}
lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]);
} else {
cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO);
lbs_deb_cmd("DATA_RATE: setting auto\n");
}
lbs_deb_leave(LBS_DEB_CMD);
return 0;
ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd);
if (ret)
goto out;
lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd));
/* FIXME: get actual rates FW can do if this command actually returns
* all data rates supported.
*/
priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]);
lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate);
out:
lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret);
return ret;
}
static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv,
@ -1348,9 +1404,6 @@ int lbs_prepare_and_send_command(struct lbs_private *priv,
ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action);
break;
case CMD_802_11_DATA_RATE:
ret = lbs_cmd_802_11_data_rate(priv, cmdptr, cmd_action);
break;
case CMD_802_11_RATE_ADAPT_RATESET:
ret = lbs_cmd_802_11_rate_adapt_rateset(priv,
cmdptr, cmd_action);

3
drivers/net/wireless/libertas/cmd.h
Просмотреть файл

@ -27,4 +27,7 @@ int lbs_update_hw_spec(struct lbs_private *priv);
int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action,
struct cmd_ds_mesh_access *cmd);
int lbs_get_data_rate(struct lbs_private *priv);
int lbs_set_data_rate(struct lbs_private *priv, u8 rate);
#endif /* _LBS_CMD_H */

23
drivers/net/wireless/libertas/cmdresp.c
Просмотреть файл

@ -325,26 +325,6 @@ static int lbs_ret_802_11_rate_adapt_rateset(struct lbs_private *priv,
return 0;
}
static int lbs_ret_802_11_data_rate(struct lbs_private *priv,
struct cmd_ds_command *resp)
{
struct cmd_ds_802_11_data_rate *pdatarate = &resp->params.drate;
lbs_deb_enter(LBS_DEB_CMD);
lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) pdatarate,
sizeof(struct cmd_ds_802_11_data_rate));
/* FIXME: get actual rates FW can do if this command actually returns
* all data rates supported.
*/
priv->cur_rate = lbs_fw_index_to_data_rate(pdatarate->rates[0]);
lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", priv->cur_rate);
lbs_deb_leave(LBS_DEB_CMD);
return 0;
}
static int lbs_ret_802_11_rf_channel(struct lbs_private *priv,
struct cmd_ds_command *resp)
{
@ -565,9 +545,6 @@ static inline int handle_cmd_response(struct lbs_private *priv,
ret = lbs_ret_802_11_enable_rsn(priv, resp);
break;
case CMD_RET(CMD_802_11_DATA_RATE):
ret = lbs_ret_802_11_data_rate(priv, resp);
break;
case CMD_RET(CMD_802_11_RATE_ADAPT_RATESET):
ret = lbs_ret_802_11_rate_adapt_rateset(priv, resp);
break;

3
drivers/net/wireless/libertas/hostcmd.h
Просмотреть файл

@ -461,6 +461,8 @@ struct PS_CMD_ConfirmSleep {
};
struct cmd_ds_802_11_data_rate {
struct cmd_header hdr;
__le16 action;
__le16 reserved;
u8 rates[MAX_RATES];
@ -659,7 +661,6 @@ struct cmd_ds_command {
struct cmd_ds_802_11_rf_tx_power txp;
struct cmd_ds_802_11_rf_antenna rant;
struct cmd_ds_802_11_monitor_mode monitor;
struct cmd_ds_802_11_data_rate drate;
struct cmd_ds_802_11_rate_adapt_rateset rateset;
struct cmd_ds_mac_multicast_adr madr;
struct cmd_ds_802_11_ad_hoc_join adj;

8
drivers/net/wireless/libertas/main.c
Просмотреть файл

@ -854,12 +854,8 @@ static int lbs_setup_firmware(struct lbs_private *priv)
lbs_set_mac_packet_filter(priv);
/* Get the supported Data rates */
ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE,
CMD_ACT_GET_TX_RATE,
CMD_OPTION_WAITFORRSP, 0, NULL);
if (ret) {
ret = lbs_get_data_rate(priv);
if (ret < 0) {
ret = -1;
goto done;
}

9
drivers/net/wireless/libertas/wext.c
Просмотреть файл

@ -19,6 +19,7 @@
#include "join.h"
#include "wext.h"
#include "assoc.h"
#include "cmd.h"
static inline void lbs_postpone_association_work(struct lbs_private *priv)
@ -962,8 +963,7 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
struct iw_param *vwrq, char *extra)
{
struct lbs_private *priv = dev->priv;
u32 new_rate;
u16 action;
u8 new_rate = 0;
int ret = -EINVAL;
u8 rates[MAX_RATES + 1];
@ -972,7 +972,6 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
/* Auto rate? */
if (vwrq->value == -1) {
action = CMD_ACT_SET_TX_AUTO;
priv->auto_rate = 1;
priv->cur_rate = 0;
} else {
@ -989,12 +988,10 @@ static int lbs_set_rate(struct net_device *dev, struct iw_request_info *info,
}
priv->cur_rate = new_rate;
action = CMD_ACT_SET_TX_FIX_RATE;
priv->auto_rate = 0;
}
ret = lbs_prepare_and_send_command(priv, CMD_802_11_DATA_RATE,
action, CMD_OPTION_WAITFORRSP, 0, NULL);
ret = lbs_set_data_rate(priv, new_rate);
out:
lbs_deb_leave_args(LBS_DEB_WEXT, "ret %d", ret);