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| author | Samuel Ortiz <sameo@linux.intel.com> | 2009-10-16 13:18:53 +0800 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-10-27 16:48:26 -0400 |
| commit | 88e6195a911bce85adcc14e8377aa619e8054ab2 (patch) | |
| tree | 84ce8e9681b9e20923027b934698429aa62ebb15 /drivers/net/wireless/iwmc3200wifi | |
| parent | 7eae165e2d7dd32e88a641c0f38b2be840bcae07 (diff) | |
| download | lwn-88e6195a911bce85adcc14e8377aa619e8054ab2.tar.gz lwn-88e6195a911bce85adcc14e8377aa619e8054ab2.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/iwmc3200wifi')
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/cfg80211.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/iwmc3200wifi/commands.c | 13 | ||||
| -rw-r--r-- | 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 89edb6629426..af72cc746f15 100644 --- a/drivers/net/wireless/iwmc3200wifi/cfg80211.c +++ b/drivers/net/wireless/iwmc3200wifi/cfg80211.c @@ -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; } diff --git a/drivers/net/wireless/iwmc3200wifi/commands.c b/drivers/net/wireless/iwmc3200wifi/commands.c index aeea909992fe..d5125b7659a8 100644 --- a/drivers/net/wireless/iwmc3200wifi/commands.c +++ b/drivers/net/wireless/iwmc3200wifi/commands.c @@ -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; diff --git a/drivers/net/wireless/iwmc3200wifi/commands.h b/drivers/net/wireless/iwmc3200wifi/commands.h index 511b6e395ac5..b36be2b23a3c 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, |