| Message ID | 20230717033431.21983-1-quic_wgong@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | wifi: ath12k: change to use dynamic memory for channel list of scan | expand |
Wen Gong <quic_wgong@quicinc.com> wrote: > 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: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 > > Signed-off-by: Wen Gong <quic_wgong@quicinc.com> > Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Patch applied to ath-next branch of ath.git, thanks. 3742928a52d6 wifi: ath12k: change to use dynamic memory for channel list of scan
diff --git a/drivers/net/wireless/ath/ath12k/mac.c b/drivers/net/wireless/ath/ath12k/mac.c index ee792822b411..e3ba84f5dd68 100644 --- a/drivers/net/wireless/ath/ath12k/mac.c +++ b/drivers/net/wireless/ath/ath12k/mac.c @@ -2767,6 +2767,14 @@ static int ath12k_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; } @@ -2785,6 +2793,8 @@ static int ath12k_mac_op_hw_scan(struct ieee80211_hw *hw, ATH12K_MAC_SCAN_TIMEOUT_MSECS)); exit: + kfree(arg.chan_list); + if (req->ie_len) kfree(arg.extraie.ptr); diff --git a/drivers/net/wireless/ath/ath12k/wmi.h b/drivers/net/wireless/ath/ath12k/wmi.h index 08a8c9e0f59f..0048f6a8e502 100644 --- a/drivers/net/wireless/ath/ath12k/wmi.h +++ b/drivers/net/wireless/ath/ath12k/wmi.h @@ -3030,7 +3030,6 @@ 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 struct ath12k_wmi_element_info_arg { u32 len; @@ -3239,7 +3238,7 @@ struct ath12k_wmi_scan_req_arg { 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 cfg80211_ssid ssid[WLAN_SCAN_MAX_NUM_SSID]; struct ath12k_wmi_mac_addr_params bssid_list[WLAN_SCAN_MAX_NUM_BSSID];
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: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4 Signed-off-by: Wen Gong <quic_wgong@quicinc.com> --- drivers/net/wireless/ath/ath12k/mac.c | 10 ++++++++++ drivers/net/wireless/ath/ath12k/wmi.h | 3 +-- 2 files changed, 11 insertions(+), 2 deletions(-) base-commit: 0a00db612b6df1fad80485e3642529d1f28ea084