From: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
We can now set the Tx power from e.g. iwconfig.
Signed-off-by: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Signed-off-by: Zhu Yi <yi.zhu@xxxxxxxxx>
---
drivers/net/wireless/iwmc3200wifi/cfg80211.c | 12 +++++++++++-
drivers/net/wireless/iwmc3200wifi/commands.c | 13 +++++++++++++
drivers/net/wireless/iwmc3200wifi/commands.h | 6 ++++++
3 files changed, 30 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/iwmc3200wifi/cfg80211.c b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
index ea0ed32..2e00a4b 100644
--- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c
+++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c
@@ -671,9 +671,19 @@ 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;
}
@@ -685,7 +695,7 @@ 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;
}
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c
index 1ba839c..0641bc7 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.c
+++ b/drivers/net/wireless/iwmc3200wifi/commands.c
@@ -794,6 +794,19 @@ 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;
diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h
index 511b6e3..b36be2b 100644
--- a/drivers/net/wireless/iwmc3200wifi/commands.h
+++ b/drivers/net/wireless/iwmc3200wifi/commands.h
@@ -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,
--
1.6.0.4
--
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