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path: root/drivers/net/wireless/libertas/cmd.c
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Diffstat (limited to 'drivers/net/wireless/libertas/cmd.c')
-rw-r--r--drivers/net/wireless/libertas/cmd.c285
1 files changed, 150 insertions, 135 deletions
diff --git a/drivers/net/wireless/libertas/cmd.c b/drivers/net/wireless/libertas/cmd.c
index f3ac62431a30..84566db486d2 100644
--- a/drivers/net/wireless/libertas/cmd.c
+++ b/drivers/net/wireless/libertas/cmd.c
@@ -1,7 +1,7 @@
-/**
- * This file contains the handling of command.
- * It prepares command and sends it to firmware when it is ready.
- */
+/*
+ * This file contains the handling of command.
+ * It prepares command and sends it to firmware when it is ready.
+ */
#include <linux/kfifo.h>
#include <linux/sched.h>
@@ -16,14 +16,14 @@
#define CAL_RSSI(snr, nf) ((s32)((s32)(snr) + CAL_NF(nf)))
/**
- * @brief Simple callback that copies response back into command
+ * lbs_cmd_copyback - Simple callback that copies response back into command
*
- * @param priv A pointer to struct lbs_private structure
- * @param extra A pointer to the original command structure for which
- * 'resp' is a response
- * @param resp A pointer to the command response
+ * @priv: A pointer to &struct lbs_private structure
+ * @extra: A pointer to the original command structure for which
+ * 'resp' is a response
+ * @resp: A pointer to the command response
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
struct cmd_header *resp)
@@ -38,15 +38,15 @@ int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra,
EXPORT_SYMBOL_GPL(lbs_cmd_copyback);
/**
- * @brief Simple callback that ignores the result. Use this if
- * you just want to send a command to the hardware, but don't
+ * lbs_cmd_async_callback - Simple callback that ignores the result.
+ * Use this if you just want to send a command to the hardware, but don't
* care for the result.
*
- * @param priv ignored
- * @param extra ignored
- * @param resp ignored
+ * @priv: ignored
+ * @extra: ignored
+ * @resp: ignored
*
- * @return 0 for success
+ * returns: 0 for success
*/
static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
struct cmd_header *resp)
@@ -56,10 +56,11 @@ static int lbs_cmd_async_callback(struct lbs_private *priv, unsigned long extra,
/**
- * @brief Checks whether a command is allowed in Power Save mode
+ * is_command_allowed_in_ps - tests if a command is allowed in Power Save mode
+ *
+ * @cmd: the command ID
*
- * @param command the command ID
- * @return 1 if allowed, 0 if not allowed
+ * returns: 1 if allowed, 0 if not allowed
*/
static u8 is_command_allowed_in_ps(u16 cmd)
{
@@ -75,11 +76,12 @@ static u8 is_command_allowed_in_ps(u16 cmd)
}
/**
- * @brief Updates the hardware details like MAC address and regulatory region
+ * lbs_update_hw_spec - Updates the hardware details like MAC address
+ * and regulatory region
*
- * @param priv A pointer to struct lbs_private structure
+ * @priv: A pointer to &struct lbs_private structure
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_update_hw_spec(struct lbs_private *priv)
{
@@ -108,7 +110,7 @@ int lbs_update_hw_spec(struct lbs_private *priv)
* CF card firmware 5.0.16p0: cap 0x00000303
* USB dongle firmware 5.110.17p2: cap 0x00000303
*/
- lbs_pr_info("%pM, fw %u.%u.%up%u, cap 0x%08x\n",
+ netdev_info(priv->dev, "%pM, fw %u.%u.%up%u, cap 0x%08x\n",
cmd.permanentaddr,
priv->fwrelease >> 24 & 0xff,
priv->fwrelease >> 16 & 0xff,
@@ -139,7 +141,8 @@ int lbs_update_hw_spec(struct lbs_private *priv)
/* if it's unidentified region code, use the default (USA) */
if (i >= MRVDRV_MAX_REGION_CODE) {
priv->regioncode = 0x10;
- lbs_pr_info("unidentified region code; using the default (USA)\n");
+ netdev_info(priv->dev,
+ "unidentified region code; using the default (USA)\n");
}
if (priv->current_addr[0] == 0xff)
@@ -209,7 +212,7 @@ int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
(uint8_t *)&cmd_config.wol_conf,
sizeof(struct wol_config));
} else {
- lbs_pr_info("HOST_SLEEP_CFG failed %d\n", ret);
+ netdev_info(priv->dev, "HOST_SLEEP_CFG failed %d\n", ret);
}
return ret;
@@ -217,14 +220,14 @@ int lbs_host_sleep_cfg(struct lbs_private *priv, uint32_t criteria,
EXPORT_SYMBOL_GPL(lbs_host_sleep_cfg);
/**
- * @brief Sets the Power Save mode
+ * lbs_set_ps_mode - Sets the Power Save mode
*
- * @param priv A pointer to struct lbs_private structure
- * @param cmd_action The Power Save operation (PS_MODE_ACTION_ENTER_PS or
+ * @priv: A pointer to &struct lbs_private structure
+ * @cmd_action: The Power Save operation (PS_MODE_ACTION_ENTER_PS or
* PS_MODE_ACTION_EXIT_PS)
- * @param block Whether to block on a response or not
+ * @block: Whether to block on a response or not
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_set_ps_mode(struct lbs_private *priv, u16 cmd_action, bool block)
{
@@ -312,7 +315,7 @@ static int lbs_wait_for_ds_awake(struct lbs_private *priv)
if (priv->is_deep_sleep) {
if (!wait_event_interruptible_timeout(priv->ds_awake_q,
!priv->is_deep_sleep, (10 * HZ))) {
- lbs_pr_err("ds_awake_q: timer expired\n");
+ netdev_err(priv->dev, "ds_awake_q: timer expired\n");
ret = -1;
}
}
@@ -337,7 +340,7 @@ int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
netif_carrier_off(priv->dev);
}
} else {
- lbs_pr_err("deep sleep: already enabled\n");
+ netdev_err(priv->dev, "deep sleep: already enabled\n");
}
} else {
if (priv->is_deep_sleep) {
@@ -347,8 +350,8 @@ int lbs_set_deep_sleep(struct lbs_private *priv, int deep_sleep)
if (!ret) {
ret = lbs_wait_for_ds_awake(priv);
if (ret)
- lbs_pr_err("deep sleep: wakeup"
- "failed\n");
+ netdev_err(priv->dev,
+ "deep sleep: wakeup failed\n");
}
}
}
@@ -382,8 +385,9 @@ int lbs_set_host_sleep(struct lbs_private *priv, int host_sleep)
ret = lbs_host_sleep_cfg(priv, priv->wol_criteria,
(struct wol_config *)NULL);
if (ret) {
- lbs_pr_info("Host sleep configuration failed: "
- "%d\n", ret);
+ netdev_info(priv->dev,
+ "Host sleep configuration failed: %d\n",
+ ret);
return ret;
}
if (priv->psstate == PS_STATE_FULL_POWER) {
@@ -393,19 +397,21 @@ int lbs_set_host_sleep(struct lbs_private *priv, int host_sleep)
sizeof(cmd),
lbs_ret_host_sleep_activate, 0);
if (ret)
- lbs_pr_info("HOST_SLEEP_ACTIVATE "
- "failed: %d\n", ret);
+ netdev_info(priv->dev,
+ "HOST_SLEEP_ACTIVATE failed: %d\n",
+ ret);
}
if (!wait_event_interruptible_timeout(
priv->host_sleep_q,
priv->is_host_sleep_activated,
(10 * HZ))) {
- lbs_pr_err("host_sleep_q: timer expired\n");
+ netdev_err(priv->dev,
+ "host_sleep_q: timer expired\n");
ret = -1;
}
} else {
- lbs_pr_err("host sleep: already enabled\n");
+ netdev_err(priv->dev, "host sleep: already enabled\n");
}
} else {
if (priv->is_host_sleep_activated)
@@ -417,13 +423,13 @@ int lbs_set_host_sleep(struct lbs_private *priv, int host_sleep)
}
/**
- * @brief Set an SNMP MIB value
+ * lbs_set_snmp_mib - Set an SNMP MIB value
*
- * @param priv A pointer to struct lbs_private structure
- * @param oid The OID to set in the firmware
- * @param val Value to set the OID to
+ * @priv: A pointer to &struct lbs_private structure
+ * @oid: The OID to set in the firmware
+ * @val: Value to set the OID to
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_set_snmp_mib(struct lbs_private *priv, u32 oid, u16 val)
{
@@ -467,13 +473,13 @@ out:
}
/**
- * @brief Get an SNMP MIB value
+ * lbs_get_snmp_mib - Get an SNMP MIB value
*
- * @param priv A pointer to struct lbs_private structure
- * @param oid The OID to retrieve from the firmware
- * @param out_val Location for the returned value
+ * @priv: A pointer to &struct lbs_private structure
+ * @oid: The OID to retrieve from the firmware
+ * @out_val: Location for the returned value
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_get_snmp_mib(struct lbs_private *priv, u32 oid, u16 *out_val)
{
@@ -510,14 +516,14 @@ out:
}
/**
- * @brief Get the min, max, and current TX power
+ * lbs_get_tx_power - Get the min, max, and current TX power
*
- * @param priv A pointer to struct lbs_private structure
- * @param curlevel Current power level in dBm
- * @param minlevel Minimum supported power level in dBm (optional)
- * @param maxlevel Maximum supported power level in dBm (optional)
+ * @priv: A pointer to &struct lbs_private structure
+ * @curlevel: Current power level in dBm
+ * @minlevel: Minimum supported power level in dBm (optional)
+ * @maxlevel: Maximum supported power level in dBm (optional)
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
s16 *maxlevel)
@@ -545,12 +551,12 @@ int lbs_get_tx_power(struct lbs_private *priv, s16 *curlevel, s16 *minlevel,
}
/**
- * @brief Set the TX power
+ * lbs_set_tx_power - Set the TX power
*
- * @param priv A pointer to struct lbs_private structure
- * @param dbm The desired power level in dBm
+ * @priv: A pointer to &struct lbs_private structure
+ * @dbm: The desired power level in dBm
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_set_tx_power(struct lbs_private *priv, s16 dbm)
{
@@ -573,12 +579,13 @@ int lbs_set_tx_power(struct lbs_private *priv, s16 dbm)
}
/**
- * @brief Enable or disable monitor mode (only implemented on OLPC usb8388 FW)
+ * lbs_set_monitor_mode - Enable or disable monitor mode
+ * (only implemented on OLPC usb8388 FW)
*
- * @param priv A pointer to struct lbs_private structure
- * @param enable 1 to enable monitor mode, 0 to disable
+ * @priv: A pointer to &struct lbs_private structure
+ * @enable: 1 to enable monitor mode, 0 to disable
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_set_monitor_mode(struct lbs_private *priv, int enable)
{
@@ -604,11 +611,11 @@ int lbs_set_monitor_mode(struct lbs_private *priv, int enable)
}
/**
- * @brief Get the radio channel
+ * lbs_get_channel - Get the radio channel
*
- * @param priv A pointer to struct lbs_private structure
+ * @priv: A pointer to &struct lbs_private structure
*
- * @return The channel on success, error on failure
+ * returns: The channel on success, error on failure
*/
static int lbs_get_channel(struct lbs_private *priv)
{
@@ -650,12 +657,12 @@ int lbs_update_channel(struct lbs_private *priv)
}
/**
- * @brief Set the radio channel
+ * lbs_set_channel - Set the radio channel
*
- * @param priv A pointer to struct lbs_private structure
- * @param channel The desired channel, or 0 to clear a locked channel
+ * @priv: A pointer to &struct lbs_private structure
+ * @channel: The desired channel, or 0 to clear a locked channel
*
- * @return 0 on success, error on failure
+ * returns: 0 on success, error on failure
*/
int lbs_set_channel(struct lbs_private *priv, u8 channel)
{
@@ -686,12 +693,13 @@ out:
}
/**
- * @brief Get current RSSI and noise floor
+ * lbs_get_rssi - Get current RSSI and noise floor
*
- * @param priv A pointer to struct lbs_private structure
- * @param rssi On successful return, signal level in mBm
+ * @priv: A pointer to &struct lbs_private structure
+ * @rssi: On successful return, signal level in mBm
+ * @nf: On successful return, Noise floor
*
- * @return The channel on success, error on failure
+ * returns: The channel on success, error on failure
*/
int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf)
{
@@ -719,13 +727,14 @@ int lbs_get_rssi(struct lbs_private *priv, s8 *rssi, s8 *nf)
}
/**
- * @brief Send regulatory and 802.11d domain information to the firmware
+ * lbs_set_11d_domain_info - Send regulatory and 802.11d domain information
+ * to the firmware
*
- * @param priv pointer to struct lbs_private
- * @param request cfg80211 regulatory request structure
- * @param bands the device's supported bands and channels
+ * @priv: pointer to &struct lbs_private
+ * @request: cfg80211 regulatory request structure
+ * @bands: the device's supported bands and channels
*
- * @return 0 on success, error code on failure
+ * returns: 0 on success, error code on failure
*/
int lbs_set_11d_domain_info(struct lbs_private *priv,
struct regulatory_request *request,
@@ -842,15 +851,15 @@ int lbs_set_11d_domain_info(struct lbs_private *priv,
}
/**
- * @brief Read a MAC, Baseband, or RF register
+ * lbs_get_reg - Read a MAC, Baseband, or RF register
*
- * @param priv pointer to struct lbs_private
- * @param cmd register command, one of CMD_MAC_REG_ACCESS,
- * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS
- * @param offset byte offset of the register to get
- * @param value on success, the value of the register at 'offset'
+ * @priv: pointer to &struct lbs_private
+ * @reg: register command, one of CMD_MAC_REG_ACCESS,
+ * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS
+ * @offset: byte offset of the register to get
+ * @value: on success, the value of the register at 'offset'
*
- * @return 0 on success, error code on failure
+ * returns: 0 on success, error code on failure
*/
int lbs_get_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 *value)
{
@@ -886,15 +895,15 @@ out:
}
/**
- * @brief Write a MAC, Baseband, or RF register
+ * lbs_set_reg - Write a MAC, Baseband, or RF register
*
- * @param priv pointer to struct lbs_private
- * @param cmd register command, one of CMD_MAC_REG_ACCESS,
- * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS
- * @param offset byte offset of the register to set
- * @param value the value to write to the register at 'offset'
+ * @priv: pointer to &struct lbs_private
+ * @reg: register command, one of CMD_MAC_REG_ACCESS,
+ * CMD_BBP_REG_ACCESS, or CMD_RF_REG_ACCESS
+ * @offset: byte offset of the register to set
+ * @value: the value to write to the register at 'offset'
*
- * @return 0 on success, error code on failure
+ * returns: 0 on success, error code on failure
*/
int lbs_set_reg(struct lbs_private *priv, u16 reg, u16 offset, u32 value)
{
@@ -1002,7 +1011,8 @@ static void lbs_submit_command(struct lbs_private *priv,
ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
if (ret) {
- lbs_pr_info("DNLD_CMD: hw_host_to_card failed: %d\n", ret);
+ netdev_info(priv->dev, "DNLD_CMD: hw_host_to_card failed: %d\n",
+ ret);
/* Let the timer kick in and retry, and potentially reset
the whole thing if the condition persists */
timeo = HZ/4;
@@ -1023,7 +1033,7 @@ static void lbs_submit_command(struct lbs_private *priv,
lbs_deb_leave(LBS_DEB_HOST);
}
-/**
+/*
* This function inserts command node to cmdfreeq
* after cleans it. Requires priv->driver_lock held.
*/
@@ -1125,11 +1135,12 @@ void lbs_set_mac_control(struct lbs_private *priv)
}
/**
- * @brief This function allocates the command buffer and link
- * it to command free queue.
+ * lbs_allocate_cmd_buffer - allocates the command buffer and links
+ * it to command free queue
+ *
+ * @priv: A pointer to &struct lbs_private structure
*
- * @param priv A pointer to struct lbs_private structure
- * @return 0 or -1
+ * returns: 0 for success or -1 on error
*/
int lbs_allocate_cmd_buffer(struct lbs_private *priv)
{
@@ -1171,10 +1182,11 @@ done:
}
/**
- * @brief This function frees the command buffer.
+ * lbs_free_cmd_buffer - free the command buffer
*
- * @param priv A pointer to struct lbs_private structure
- * @return 0 or -1
+ * @priv: A pointer to &struct lbs_private structure
+ *
+ * returns: 0 for success
*/
int lbs_free_cmd_buffer(struct lbs_private *priv)
{
@@ -1211,11 +1223,13 @@ done:
}
/**
- * @brief This function gets a free command node if available in
- * command free queue.
+ * lbs_get_free_cmd_node - gets a free command node if available in
+ * command free queue
+ *
+ * @priv: A pointer to &struct lbs_private structure
*
- * @param priv A pointer to struct lbs_private structure
- * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL
+ * returns: A pointer to &cmd_ctrl_node structure on success
+ * or %NULL on error
*/
static struct cmd_ctrl_node *lbs_get_free_cmd_node(struct lbs_private *priv)
{
@@ -1245,12 +1259,12 @@ static struct cmd_ctrl_node *lbs_get_free_cmd_node(struct lbs_private *priv)
}
/**
- * @brief This function executes next command in command
- * pending queue. It will put firmware back to PS mode
- * if applicable.
+ * lbs_execute_next_command - execute next command in command
+ * pending queue. Will put firmware back to PS mode if applicable.
*
- * @param priv A pointer to struct lbs_private structure
- * @return 0 or -1
+ * @priv: A pointer to &struct lbs_private structure
+ *
+ * returns: 0 on success or -1 on error
*/
int lbs_execute_next_command(struct lbs_private *priv)
{
@@ -1267,7 +1281,8 @@ int lbs_execute_next_command(struct lbs_private *priv)
spin_lock_irqsave(&priv->driver_lock, flags);
if (priv->cur_cmd) {
- lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n");
+ netdev_alert(priv->dev,
+ "EXEC_NEXT_CMD: already processing command!\n");
spin_unlock_irqrestore(&priv->driver_lock, flags);
ret = -1;
goto done;
@@ -1431,7 +1446,7 @@ static void lbs_send_confirmsleep(struct lbs_private *priv)
ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) &confirm_sleep,
sizeof(confirm_sleep));
if (ret) {
- lbs_pr_alert("confirm_sleep failed\n");
+ netdev_alert(priv->dev, "confirm_sleep failed\n");
goto out;
}
@@ -1456,12 +1471,12 @@ out:
}
/**
- * @brief This function checks condition and prepares to
- * send sleep confirm command to firmware if ok.
+ * lbs_ps_confirm_sleep - checks condition and prepares to
+ * send sleep confirm command to firmware if ok
+ *
+ * @priv: A pointer to &struct lbs_private structure
*
- * @param priv A pointer to struct lbs_private structure
- * @param psmode Power Saving mode
- * @return n/a
+ * returns: n/a
*/
void lbs_ps_confirm_sleep(struct lbs_private *priv)
{
@@ -1501,16 +1516,16 @@ void lbs_ps_confirm_sleep(struct lbs_private *priv)
/**
- * @brief Configures the transmission power control functionality.
+ * lbs_set_tpc_cfg - Configures the transmission power control functionality
*
- * @param priv A pointer to struct lbs_private structure
- * @param enable Transmission power control enable
- * @param p0 Power level when link quality is good (dBm).
- * @param p1 Power level when link quality is fair (dBm).
- * @param p2 Power level when link quality is poor (dBm).
- * @param usesnr Use Signal to Noise Ratio in TPC
+ * @priv: A pointer to &struct lbs_private structure
+ * @enable: Transmission power control enable
+ * @p0: Power level when link quality is good (dBm).
+ * @p1: Power level when link quality is fair (dBm).
+ * @p2: Power level when link quality is poor (dBm).
+ * @usesnr: Use Signal to Noise Ratio in TPC
*
- * @return 0 on success
+ * returns: 0 on success
*/
int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
int8_t p2, int usesnr)
@@ -1533,15 +1548,15 @@ int lbs_set_tpc_cfg(struct lbs_private *priv, int enable, int8_t p0, int8_t p1,
}
/**
- * @brief Configures the power adaptation settings.
+ * lbs_set_power_adapt_cfg - Configures the power adaptation settings
*
- * @param priv A pointer to struct lbs_private structure
- * @param enable Power adaptation enable
- * @param p0 Power level for 1, 2, 5.5 and 11 Mbps (dBm).
- * @param p1 Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
- * @param p2 Power level for 48 and 54 Mbps (dBm).
+ * @priv: A pointer to &struct lbs_private structure
+ * @enable: Power adaptation enable
+ * @p0: Power level for 1, 2, 5.5 and 11 Mbps (dBm).
+ * @p1: Power level for 6, 9, 12, 18, 22, 24 and 36 Mbps (dBm).
+ * @p2: Power level for 48 and 54 Mbps (dBm).
*
- * @return 0 on Success
+ * returns: 0 on Success
*/
int lbs_set_power_adapt_cfg(struct lbs_private *priv, int enable, int8_t p0,
@@ -1657,7 +1672,7 @@ int __lbs_cmd(struct lbs_private *priv, uint16_t command,
spin_lock_irqsave(&priv->driver_lock, flags);
ret = cmdnode->result;
if (ret)
- lbs_pr_info("PREP_CMD: command 0x%04x failed: %d\n",
+ netdev_info(priv->dev, "PREP_CMD: command 0x%04x failed: %d\n",
command, ret);
__lbs_cleanup_and_insert_cmd(priv, cmdnode);