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authorWen Gong <quic_wgong@quicinc.com>2021-11-29 14:09:39 +0300
committerKalle Valo <quic_kvalo@quicinc.com>2021-12-07 18:20:29 +0300
commitcea7f78d85f3f6ba05f43754600426b0e84abbbd (patch)
treee3b79bfa1b1a11b875569466dec1fefb194dffec /drivers/net/wireless/ath
parent18ae1ab04525507ae5528245a6df004cacd0d39a (diff)
downloadlinux-cea7f78d85f3f6ba05f43754600426b0e84abbbd.tar.xz
ath11k: change to use dynamic memory for channel list of scan
Currently there are about 60 channels for 6 GHz, then the size of chan_list in struct scan_req_params which is 40 is not enough to fill all the channel list of 6 GHz. Use dynamic memory to save the channel list of scan. Tested-on: WCN6855 hw2.0 PCI WLAN.HSP.1.1-01720.1-QCAHSPSWPL_V1_V2_SILICONZ_LITE-1 Signed-off-by: Wen Gong <quic_wgong@quicinc.com> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20211129110939.15711-1-quic_wgong@quicinc.com
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/ath11k/mac.c10
-rw-r--r--drivers/net/wireless/ath/ath11k/wmi.h3
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 0050e2c84888..ffedd22dd1c0 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -3501,6 +3501,14 @@ static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
if (req->n_channels) {
arg.num_chan = req->n_channels;
+ arg.chan_list = kcalloc(arg.num_chan, sizeof(*arg.chan_list),
+ GFP_KERNEL);
+
+ if (!arg.chan_list) {
+ ret = -ENOMEM;
+ goto exit;
+ }
+
for (i = 0; i < arg.num_chan; i++)
arg.chan_list[i] = req->channels[i]->center_freq;
}
@@ -3519,6 +3527,8 @@ static int ath11k_mac_op_hw_scan(struct ieee80211_hw *hw,
ATH11K_MAC_SCAN_TIMEOUT_MSECS));
exit:
+ kfree(arg.chan_list);
+
if (req->ie_len)
kfree(arg.extraie.ptr);
diff --git a/drivers/net/wireless/ath/ath11k/wmi.h b/drivers/net/wireless/ath/ath11k/wmi.h
index 8e8bac1b7370..35f5432357f5 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.h
+++ b/drivers/net/wireless/ath/ath11k/wmi.h
@@ -3082,7 +3082,6 @@ enum scan_dwelltime_adaptive_mode {
#define WLAN_SCAN_MAX_NUM_SSID 10
#define WLAN_SCAN_MAX_NUM_BSSID 10
-#define WLAN_SCAN_MAX_NUM_CHANNELS 40
#define WLAN_SSID_MAX_LEN 32
@@ -3303,7 +3302,7 @@ struct scan_req_params {
u32 num_bssid;
u32 num_ssids;
u32 n_probes;
- u32 chan_list[WLAN_SCAN_MAX_NUM_CHANNELS];
+ u32 *chan_list;
u32 notify_scan_events;
struct wlan_ssid ssid[WLAN_SCAN_MAX_NUM_SSID];
struct wmi_mac_addr bssid_list[WLAN_SCAN_MAX_NUM_BSSID];