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qcacmn: Validate puncture when select candidate

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If puncture of primary 20M channel of beacon or probe rsp is not 0, the bss
is invalid and filtered out when DUT STA select candidate AP to connect.

Change-Id: Ic27c75ab07ec91a80164a12b0928c98bc8911f99
CRs-Fixed: 3208103
This commit is contained in:
Jianmin Zhu
2022-06-03 22:30:10 +08:00
committed by Madan Koyyalamudi
parent 3061409081
commit bc885ff52a
1 changed files with 58 additions and 0 deletions
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58
umac/scan/core/src/wlan_scan_filter.c
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@@ -682,6 +682,61 @@ static bool util_mlo_filter_match(struct scan_filter *filter,
}
#endif
#ifdef WLAN_FEATURE_11BE
static bool util_eht_puncture_valid(struct scan_cache_entry *db_entry)
{
struct wlan_ie_ehtops *eht_ops;
int8_t orig_width;
enum phy_ch_width width;
qdf_freq_t center_freq_320m;
uint16_t orig_puncture_bitmap;
uint16_t new_puncture_bitmap = 0;
QDF_STATUS status;
eht_ops = (struct wlan_ie_ehtops *)util_scan_entry_ehtop(db_entry);
if (!eht_ops)
return true;
if (!QDF_GET_BITS(eht_ops->ehtop_param,
EHTOP_INFO_PRESENT_IDX, EHTOP_INFO_PRESENT_BITS))
return true;
orig_puncture_bitmap = db_entry->channel.puncture_bitmap;
if (!orig_puncture_bitmap)
return true;
orig_width = QDF_GET_BITS(eht_ops->control,
EHTOP_INFO_CHAN_WIDTH_IDX,
EHTOP_INFO_CHAN_WIDTH_BITS);
if (orig_width == WLAN_EHT_CHWIDTH_320) {
width = CH_WIDTH_320MHZ;
center_freq_320m = db_entry->channel.cfreq1;
} else {
width = orig_width;
center_freq_320m = 0;
}
status = wlan_reg_extract_puncture_by_bw(width,
orig_puncture_bitmap,
db_entry->channel.chan_freq,
center_freq_320m,
CH_WIDTH_20MHZ,
&new_puncture_bitmap);
if (QDF_IS_STATUS_ERROR(status) || new_puncture_bitmap) {
scm_debug(QDF_MAC_ADDR_FMT "freq %d width %d 320m center %d puncture: orig %d new %d status %d",
QDF_MAC_ADDR_REF(db_entry->bssid.bytes),
db_entry->channel.chan_freq, width, center_freq_320m,
orig_puncture_bitmap, new_puncture_bitmap, status);
return false;
} else {
return true;
}
}
#else
static bool util_eht_puncture_valid(struct scan_cache_entry *db_entry)
{
return true;
}
#endif
bool scm_filter_match(struct wlan_objmgr_psoc *psoc,
struct scan_cache_entry *db_entry,
struct scan_filter *filter,
@@ -865,5 +920,8 @@ bool scm_filter_match(struct wlan_objmgr_psoc *psoc,
return false;
}
if (!util_eht_puncture_valid(db_entry))
return false;
return true;
}