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| author | Wey-Yi Guy <wey-yi.w.guy@intel.com> | 2012-05-04 01:22:01 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-05-16 01:27:52 +0400 |
| commit | dd551ab7b47ace14753b0d73f79437cc35adcf6b (patch) | |
| tree | 72178d5886b49530ae660b885acaaa0fde830d09 /drivers/net/wireless/iwlwifi/iwl-agn-lib.c | |
| parent | f3a138c10b9a5f716d2b773e0ae08401ebd19f80 (diff) | |
| download | linux-dd551ab7b47ace14753b0d73f79437cc35adcf6b.tar.xz | |
iwlwifi: include rssi as part of decision making for reduce txpower
In bt coex, consider the average rssi as part of decision making process
Change-Id: I8d11d7f177a6875e2a9d08f7539d42253226fd7a
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Reviewed-on: http://git-mwg.jer.intel.com/gerrit/1945
Tested-by: Jenkins
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-lib.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-agn-lib.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c index 01dc44267317..9d88565cabf8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-lib.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-lib.c @@ -31,6 +31,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/sched.h> +#include <net/mac80211.h> #include "iwl-dev.h" #include "iwl-io.h" @@ -593,9 +594,18 @@ static bool iwlagn_fill_txpower_mode(struct iwl_priv *priv, struct iwl_bt_uart_msg *uart_msg) { bool need_update = false; + struct iwl_rxon_context *ctx = &priv->contexts[IWL_RXON_CTX_BSS]; + int ave_rssi; + ave_rssi = ieee80211_ave_rssi(ctx->vif); + if (!ave_rssi) { + /* no rssi data, no changes to reduce tx power */ + IWL_DEBUG_COEX(priv, "no rssi data available\n"); + return need_update; + } if (!priv->reduced_txpower && !iwl_is_associated(priv, IWL_RXON_CTX_PAN) && + (ave_rssi > BT_ENABLE_REDUCED_TXPOWER_THRESHOLD) && (uart_msg->frame3 & (BT_UART_MSG_FRAME3ACL_MSK | BT_UART_MSG_FRAME3OBEX_MSK)) && !(uart_msg->frame3 & (BT_UART_MSG_FRAME3SCOESCO_MSK | @@ -606,6 +616,7 @@ static bool iwlagn_fill_txpower_mode(struct iwl_priv *priv, need_update = true; } else if (priv->reduced_txpower && (iwl_is_associated(priv, IWL_RXON_CTX_PAN) || + (ave_rssi < BT_DISABLE_REDUCED_TXPOWER_THRESHOLD) || (uart_msg->frame3 & (BT_UART_MSG_FRAME3SCOESCO_MSK | BT_UART_MSG_FRAME3SNIFF_MSK | BT_UART_MSG_FRAME3A2DP_MSK)) || !(uart_msg->frame3 & (BT_UART_MSG_FRAME3ACL_MSK | |