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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-10-30 12:59:40 +0300
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>2014-11-11 18:15:06 +0300
commit219fb66b49fac64bb87f030c133d2d32927b6fc4 (patch)
treeed1de7bd8d26ede5bbf5d21f87fb977edcb230bb /drivers/net/wireless/iwlwifi/mvm/rs.c
parent26a2cc016f59839afb665ab29c7a40b91bcedf42 (diff)
downloadlinux-219fb66b49fac64bb87f030c133d2d32927b6fc4.tar.xz
iwlwifi: mvm: rs - don't use the shared antenna when BT load is high
When we need only one antenna, we should refrain from using the antenna that is shared with BT if BT load is high. Fix this. Reviewed-by: Eyal Shapira <eyal@wizery.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/rs.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index bbd2f9b90688..c05f5a509a5d 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -158,6 +158,12 @@ struct rs_tx_column {
allow_column_func_t checks[MAX_COLUMN_CHECKS];
};
+static bool rs_ant_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
+ struct iwl_scale_tbl_info *tbl)
+{
+ return iwl_mvm_bt_coex_is_ant_avail(mvm, tbl->rate.ant);
+}
+
static bool rs_mimo_allow(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
struct iwl_scale_tbl_info *tbl)
{
@@ -218,6 +224,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
RS_COLUMN_INVALID,
RS_COLUMN_INVALID,
},
+ .checks = {
+ rs_ant_allow,
+ },
},
[RS_COLUMN_LEGACY_ANT_B] = {
.mode = RS_LEGACY,
@@ -231,6 +240,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
RS_COLUMN_INVALID,
RS_COLUMN_INVALID,
},
+ .checks = {
+ rs_ant_allow,
+ },
},
[RS_COLUMN_SISO_ANT_A] = {
.mode = RS_SISO,
@@ -246,6 +258,7 @@ static const struct rs_tx_column rs_tx_columns[] = {
},
.checks = {
rs_siso_allow,
+ rs_ant_allow,
},
},
[RS_COLUMN_SISO_ANT_B] = {
@@ -262,6 +275,7 @@ static const struct rs_tx_column rs_tx_columns[] = {
},
.checks = {
rs_siso_allow,
+ rs_ant_allow,
},
},
[RS_COLUMN_SISO_ANT_A_SGI] = {
@@ -279,6 +293,7 @@ static const struct rs_tx_column rs_tx_columns[] = {
},
.checks = {
rs_siso_allow,
+ rs_ant_allow,
rs_sgi_allow,
},
},
@@ -297,6 +312,7 @@ static const struct rs_tx_column rs_tx_columns[] = {
},
.checks = {
rs_siso_allow,
+ rs_ant_allow,
rs_sgi_allow,
},
},