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iwmc3200wifi: Tx power setting 

We can now set the Tx power from e.g. iwconfig.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Samuel Ortiz 2009-10-16 13:18:53 +08:00 committed by John W. Linville
parent 7eae165e2d
commit 88e6195a91
3 changed files with 30 additions and 1 deletions
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12
drivers/net/wireless/iwmc3200wifi/cfg80211.c
View File

@ -670,9 +670,19 @@ static int iwm_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev,
static int iwm_cfg80211_set_txpower(struct wiphy *wiphy,
enum tx_power_setting type, int dbm)
{
struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
int ret;
switch (type) {
case TX_POWER_AUTOMATIC:
return 0;
case TX_POWER_FIXED:
ret = iwm_umac_set_config_fix(iwm, UMAC_PARAM_TBL_CFG_FIX,
CFG_TX_PWR_LIMIT_USR, dbm * 2);
if (ret < 0)
return ret;
return iwm_tx_power_trigger(iwm);
default:
return -EOPNOTSUPP;
}
@ -684,7 +694,7 @@ static int iwm_cfg80211_get_txpower(struct wiphy *wiphy, int *dbm)
{
struct iwm_priv *iwm = wiphy_to_iwm(wiphy);
*dbm = iwm->txpower;
*dbm = iwm->txpower >> 1;
return 0;
}

13
drivers/net/wireless/iwmc3200wifi/commands.c
View File

@ -793,6 +793,19 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm)
return ret ? 0 : -EBUSY;
}
int iwm_tx_power_trigger(struct iwm_priv *iwm)
{
struct iwm_umac_pwr_trigger pwr_trigger;
pwr_trigger.hdr.oid = UMAC_WIFI_IF_CMD_TX_PWR_TRIGGER;
pwr_trigger.hdr.buf_size =
cpu_to_le16(sizeof(struct iwm_umac_pwr_trigger) -
sizeof(struct iwm_umac_wifi_if));
return iwm_send_wifi_if_cmd(iwm, &pwr_trigger, sizeof(pwr_trigger), 1);
}
int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags)
{
struct iwm_udma_wifi_cmd udma_cmd = UDMA_UMAC_INIT;

6
drivers/net/wireless/iwmc3200wifi/commands.h
View File

@ -441,6 +441,11 @@ struct iwm_umac_tx_key_id {
u8 reserved[3];
} __attribute__ ((packed));
struct iwm_umac_pwr_trigger {
struct iwm_umac_wifi_if hdr;
__le32 reseved;
} __attribute__ ((packed));
struct iwm_umac_cmd_stats_req {
__le32 flags;
} __attribute__ ((packed));
@ -467,6 +472,7 @@ int iwm_invalidate_mlme_profile(struct iwm_priv *iwm);
int iwm_send_packet(struct iwm_priv *iwm, struct sk_buff *skb, int pool_id);
int iwm_set_tx_key(struct iwm_priv *iwm, u8 key_idx);
int iwm_set_key(struct iwm_priv *iwm, bool remove, struct iwm_key *key);
int iwm_tx_power_trigger(struct iwm_priv *iwm);
int iwm_send_umac_stats_req(struct iwm_priv *iwm, u32 flags);
int iwm_send_umac_channel_list(struct iwm_priv *iwm);
int iwm_scan_ssids(struct iwm_priv *iwm, struct cfg80211_ssid *ssids,