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iwlwifi: mvm: enable pre-scan passive to active 

Enable passive to active scan feature, on channels that was
active in the past hour.

Signed-off-by: David Spinadel <david.spinadel@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
David Spinadel 2013-07-08 13:12:29 +03:00 committed by Johannes Berg
parent da4f87f088
commit 26e05cc32d
2 changed files with 6 additions and 1 deletions
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5
drivers/net/wireless/iwlwifi/mvm/fw-api-scan.h
View File

@ -138,6 +138,8 @@ struct iwl_ssid_ie {
*@SCAN_FLAGS_DELAYED_SCAN_LOWBAND:
*@SCAN_FLAGS_DELAYED_SCAN_HIGHBAND:
*@SCAN_FLAGS_FRAGMENTED_SCAN:
*@SCAN_FLAGS_PASSIVE2ACTIVE: use active scan on channels that was active
* in the past hour, even if they are marked as passive.
*/
enum iwl_scan_flags {
SCAN_FLAGS_PERIODIC_SCAN = BIT(0),
@ -145,6 +147,7 @@ enum iwl_scan_flags {
SCAN_FLAGS_DELAYED_SCAN_LOWBAND = BIT(2),
SCAN_FLAGS_DELAYED_SCAN_HIGHBAND = BIT(3),
SCAN_FLAGS_FRAGMENTED_SCAN = BIT(4),
SCAN_FLAGS_PASSIVE2ACTIVE = BIT(5),
};
/**
@ -179,7 +182,7 @@ enum iwl_scan_type {
* @quiet_time: in msecs, dwell this time for active scan on quiet channels
* @quiet_plcp_th: quiet PLCP threshold (channel is quiet if less than
* this number of packets were received (typically 1)
* @passive2active: is auto switching from passive to active allowed (0 or 1)
* @passive2active: is auto switching from passive to active during scan allowed
* @rxchain_sel_flags: RXON_RX_CHAIN_*
* @max_out_time: in usecs, max out of serving channel time
* @suspend_time: how long to pause scan when returning to service channel:

2
drivers/net/wireless/iwlwifi/mvm/scan.c
View File

@ -306,10 +306,12 @@ int iwl_mvm_scan_request(struct iwl_mvm *mvm,
*/
if (req->n_ssids > 0) {
cmd->passive2active = cpu_to_le16(1);
cmd->scan_flags |= SCAN_FLAGS_PASSIVE2ACTIVE;
ssid = req->ssids[0].ssid;
ssid_len = req->ssids[0].ssid_len;
} else {
cmd->passive2active = 0;
cmd->scan_flags &= ~SCAN_FLAGS_PASSIVE2ACTIVE;
}
iwl_mvm_scan_fill_ssids(cmd, req);