wil6210: option to override A-BFT length in start AP/PCP

Add an option to specify and override the A-BFT length when
starting an AP/PCP. See IEEE P802.11-2016, 10.38.5.
The abft_len must be set before starting AP/PCP. It is only
needed for diagnostics and certification.
Signed-off-by: Lior David <qca_liord@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

drivers/net/wireless/ath/wil6210/debugfs.c

@@ -1702,6 +1702,7 @@ static const struct dbg_off dbg_wil_off[] = {
 	WIL_FIELD(ap_isolate,	S_IRUGO,		doff_u32),
 	WIL_FIELD(discovery_mode, S_IRUGO | S_IWUSR,	doff_u8),
 	WIL_FIELD(chip_revision, S_IRUGO,		doff_u8),
+	WIL_FIELD(abft_len, S_IRUGO | S_IWUSR,		doff_u8),
 	{},
 };
 

drivers/net/wireless/ath/wil6210/wil6210.h

@@ -667,6 +667,7 @@ struct wil6210_priv {
 	struct dentry *debug;
 	struct wil_blob_wrapper blobs[ARRAY_SIZE(fw_mapping)];
 	u8 discovery_mode;
+	u8 abft_len;
 
 	void *platform_handle;
 	struct wil_platform_ops platform_ops;

drivers/net/wireless/ath/wil6210/wmi.c

@@ -1079,6 +1079,7 @@ int wmi_pcp_start(struct wil6210_priv *wil, int bi, u8 wmi_nettype,
 		.hidden_ssid = hidden_ssid,
 		.is_go = is_go,
 		.disable_ap_sme = disable_ap_sme,
+		.abft_len = wil->abft_len,
 	};
 	struct {
 		struct wmi_cmd_hdr wmi;