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Add QCA vendor attribute for DO_ACS to allow using existing scan entries

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Add a new QCA vendor attribute
QCA_WLAN_VENDOR_ATTR_ACS_LAST_SCAN_AGEOUT_TIME to
QCA_NL80211_VENDOR_SUBCMD_DO_ACS and opportunistically optimize time
taken for ACS scan. Avoid scanning the channels which were scanned
within last QCA_WLAN_VENDOR_ATTR_ACS_LAST_SCAN_AGEOUT_TIME milliseconds
and use scan results from the scan results cache for ACS scoring. For
other channels, perform ACS scan and use the received scan results.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Purushottam Kushwaha 2022-05-12 13:04:54 +05:30 • committed by Jouni Malinen
parent b9e2826b9d
commit 94bc94b206
1 changed files with 7 additions and 0 deletions
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7
src/common/qca-vendor.h
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@ -1496,6 +1496,12 @@ enum qca_wlan_vendor_attr_p2p_listen_offload {
* Used with command to configure ACS operation for EHT mode. * Used with command to configure ACS operation for EHT mode.
* Disable (flag attribute not present) - EHT disabled and * Disable (flag attribute not present) - EHT disabled and
* Enable (flag attribute present) - EHT enabled. * Enable (flag attribute present) - EHT enabled.
*
* @QCA_WLAN_VENDOR_ATTR_ACS_LAST_SCAN_AGEOUT_TIME: Optional (u32).
* Used with command to configure how older scan can be considered for ACS
* scoring. In case scan was performed on a partial set of channels configured
* with this command within last QCA_WLAN_VENDOR_ATTR_ACS_LAST_SCAN_AGEOUT_TIME
* (in ms), scan only the remaining channels.
*/ */
enum qca_wlan_vendor_attr_acs_offload { enum qca_wlan_vendor_attr_acs_offload {
QCA_WLAN_VENDOR_ATTR_ACS_CHANNEL_INVALID = 0, QCA_WLAN_VENDOR_ATTR_ACS_CHANNEL_INVALID = 0,
@ -1518,6 +1524,7 @@ enum qca_wlan_vendor_attr_acs_offload {
QCA_WLAN_VENDOR_ATTR_ACS_EDMG_CHANNEL = 17, QCA_WLAN_VENDOR_ATTR_ACS_EDMG_CHANNEL = 17,
QCA_WLAN_VENDOR_ATTR_ACS_PUNCTURE_BITMAP = 18, QCA_WLAN_VENDOR_ATTR_ACS_PUNCTURE_BITMAP = 18,
QCA_WLAN_VENDOR_ATTR_ACS_EHT_ENABLED = 19, QCA_WLAN_VENDOR_ATTR_ACS_EHT_ENABLED = 19,
QCA_WLAN_VENDOR_ATTR_ACS_LAST_SCAN_AGEOUT_TIME = 20,
/* keep last */ /* keep last */
QCA_WLAN_VENDOR_ATTR_ACS_AFTER_LAST, QCA_WLAN_VENDOR_ATTR_ACS_AFTER_LAST,