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Roam control configuration for 6 GHz in full scan only on prior discovery

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During the roam scan, if there are no desired APs found in the partial
frequency list, an immediate full scan on all the supported frequencies
is initiated as a fallback. This would include the 6 GHz PSC
frequencies. Define an attribute to allow that behavior to be modified
to include PSCs only if 6 GHz use has been detected.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Sunil Dutt 2022-11-22 16:42:54 +05:30 committed by Jouni Malinen
parent 22a5d615ba
commit 4e1f55a113
1 changed files with 19 additions and 0 deletions
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19
src/common/qca-vendor.h
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@ -5140,6 +5140,24 @@ enum qca_vendor_attr_roam_candidate_selection_criteria {
* If this flag is not specified, a full scan shall include all the
* supported frequencies irrespective of the ones part of an earlier
* partial scan.
*
* @QCA_ATTR_ROAM_CONTROL_FULL_SCAN_6GHZ_ONLY_ON_PRIOR_DISCOVERY: Unsigned 8-bit
* value.
* During the roam scan, if there are no desired APs found in the partial
* frequency list, an immediate full scan on all the supported frequencies
* is initiated as a fallback. This full scan would add the 2.4/5/6 GHz
* frequencies, including all PSC frequencies by default. This attribute
* controls the inclusion of the 6 GHz PSC frequencies for the full scan
* as following.
* 1 - Full scan to include the supported 6 GHz PSC frequencies only on the
* prior discovery of any 6 GHz frequency support in the environment.
* This discovery can happen through a prior RNR, 11k neighbor
* request, 11v BTM request, host scan, etc.
* 0 - Default behavior. Full scan to include all the supported 6 GHz
* PSC frequencies regardless of whether 6 GHz BSSs have been
* discovered.
* The default behavior if this flag is not specified is to include all
* the supported 6 GHz PSC frequencies in the roam full scan.
*/
enum qca_vendor_attr_roam_control {
QCA_ATTR_ROAM_CONTROL_ENABLE = 1,
@ -5168,6 +5186,7 @@ enum qca_vendor_attr_roam_control {
QCA_ATTR_ROAM_CONTROL_LINKSPEED_THRESHOLD = 24,
QCA_ATTR_ROAM_CONTROL_HO_DELAY_FOR_RX = 25,
QCA_ATTR_ROAM_CONTROL_FULL_SCAN_NO_REUSE_PARTIAL_SCAN_FREQ = 26,
QCA_ATTR_ROAM_CONTROL_FULL_SCAN_6GHZ_ONLY_ON_PRIOR_DISCOVERY = 27,
/* keep last */
QCA_ATTR_ROAM_CONTROL_AFTER_LAST,