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iwlwifi: mvm: Configure fragmented scan for scheduled scan

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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>
This commit is contained in:
Avraham Stern 2015-11-10 14:56:24 +02:00 committed by Emmanuel Grumbach
parent 85e5a38763
commit f9d716443f
2 changed files with 7 additions and 1 deletions
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1
drivers/net/wireless/intel/iwlwifi/mvm/mvm.h
View File

@ -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;

7
drivers/net/wireless/intel/iwlwifi/mvm/scan.c
View File

@ -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);