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[05/41] iwlwifi: mvm: Configure fragmented scan for scheduled scan

Message ID 1448963947-24302-5-git-send-email-emmanuel.grumbach@intel.com
State Accepted
Delegated to: Kalle Valo
Headers show

Commit Message

Emmanuel Grumbach Dec. 1, 2015, 9:58 a.m. UTC
From: Avraham Stern <avraham.stern@intel.com>

Configure the FW to use fragmented scan when the traffic load is high
or low latency traffic is on. This is useful for scans that are
managed by the FW (e.g. scheduled scan).

Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---
 drivers/net/wireless/intel/iwlwifi/mvm/mvm.h  | 1 +
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
index 4bde2d0..419afa4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
@@ -643,6 +643,7 @@  struct iwl_mvm {
 	unsigned int scan_status;
 	void *scan_cmd;
 	struct iwl_mcast_filter_cmd *mcast_filter_cmd;
+	bool scan_fragmented;
 
 	/* max number of simultaneous scans the FW supports */
 	unsigned int max_scans;
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index d6e0c1b..6b9b190 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -920,6 +920,8 @@  int iwl_mvm_config_scan(struct iwl_mvm *mvm)
 	if (!scan_config)
 		return -ENOMEM;
 
+	mvm->scan_fragmented = iwl_mvm_low_latency(mvm);
+
 	scan_config->flags = cpu_to_le32(SCAN_CONFIG_FLAG_ACTIVATE |
 					 SCAN_CONFIG_FLAG_ALLOW_CHUB_REQS |
 					 SCAN_CONFIG_FLAG_SET_TX_CHAINS |
@@ -928,7 +930,10 @@  int iwl_mvm_config_scan(struct iwl_mvm *mvm)
 					 SCAN_CONFIG_FLAG_SET_LEGACY_RATES |
 					 SCAN_CONFIG_FLAG_SET_MAC_ADDR |
 					 SCAN_CONFIG_FLAG_SET_CHANNEL_FLAGS|
-					 SCAN_CONFIG_N_CHANNELS(num_channels));
+					 SCAN_CONFIG_N_CHANNELS(num_channels) |
+					 (mvm->scan_fragmented ?
+					  SCAN_CONFIG_FLAG_SET_FRAGMENTED :
+					  SCAN_CONFIG_FLAG_CLEAR_FRAGMENTED));
 	scan_config->tx_chains = cpu_to_le32(iwl_mvm_get_valid_tx_ant(mvm));
 	scan_config->rx_chains = cpu_to_le32(iwl_mvm_scan_rx_ant(mvm));
 	scan_config->legacy_rates = iwl_mvm_scan_config_rates(mvm);