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wifi: ath12k: Use scan link ID 15 for all scan operations

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According to the code documentation in ath12k_mac_op_hw_scan(), "if no
links of an ML VIF are already active on the radio corresponding to the
given scan frequency, the scan link (link ID 15) should be used". This rule
should apply to non-ML interfaces as well to maintain uniformity across the
driver. However, currently, link 0 is selected as the scan link during
non-ML operations.

Update the code to use scan link ID 15 in all cases.

Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.4.1-00199-QCAHKSWPL_SILICONZ-1

Reviewed-by: Vasanthakumar Thiagarajan <vasanthakumar.thiagarajan@oss.qualcomm.com>
Signed-off-by: Aditya Kumar Singh <aditya.kumar.singh@oss.qualcomm.com>
Link: https://patch.msgid.link/20250417-fix_scan_vdev_handling-v3-2-9ec42513d26b@oss.qualcomm.com
Signed-off-by: Jeff Johnson <jeff.johnson@oss.qualcomm.com>
This commit is contained in:
Aditya Kumar Singh
2025-04-17 11:19:14 +05:30
committed by Jeff Johnson
parent 8dc8340c19
commit 88c3aaf46c
1 changed files with 10 additions and 17 deletions
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27
drivers/net/wireless/ath/ath12k/mac.c
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@@ -3480,25 +3480,18 @@ static struct ath12k_link_vif *ath12k_mac_assign_link_vif(struct ath12k_hw *ah,
if (arvif)
return arvif;
if (!vif->valid_links) {
/* Use deflink for Non-ML VIFs and mark the link id as 0
*/
link_id = 0;
/* If this is the first link arvif being created for an ML VIF
* use the preallocated deflink memory except for scan arvifs
*/
if (!ahvif->links_map && link_id != ATH12K_DEFAULT_SCAN_LINK) {
arvif = &ahvif->deflink;
if (vif->type == NL80211_IFTYPE_STATION)
arvif->is_sta_assoc_link = true;
} else {
/* If this is the first link arvif being created for an ML VIF
* use the preallocated deflink memory except for scan arvifs
*/
if (!ahvif->links_map && link_id != ATH12K_DEFAULT_SCAN_LINK) {
arvif = &ahvif->deflink;
if (vif->type == NL80211_IFTYPE_STATION)
arvif->is_sta_assoc_link = true;
} else {
arvif = (struct ath12k_link_vif *)
kzalloc(sizeof(struct ath12k_link_vif), GFP_KERNEL);
if (!arvif)
return NULL;
}
arvif = kzalloc(sizeof(*arvif), GFP_KERNEL);
if (!arvif)
return NULL;
}
ath12k_mac_init_arvif(ahvif, arvif, link_id);