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Commit 358831d5 authored by Vladimir Kondratiev's avatar Vladimir Kondratiev Committed by Ian Maund
Browse files

wil6210: wait for del_station to complete 



Multiple del_station requests may be sent to the driver by the
supplicant when turning down AP. This may overflow mailbox
between the FW and ucode

Wait till disconnect of one STA completed before sending next command.

Change-Id: I466c03ee14fa92d11c707328ce40c94fa292dbc1
Signed-off-by: default avatarVladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: default avatarKalle Valo <kvalo@qca.qualcomm.com>
Git-commit: 3e9191fce2d6b36a429dc046cdc1f7e8ec70465c
Git-repo: https://github.com/kvalo/ath.git


Signed-off-by: default avatarHamad Kadmany <hkadmany@codeaurora.org>
parent 980a66fc

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

+28 −1
Original line number Diff line number Diff line
@@ -1130,15 +1130,42 @@ int wmi_get_temperature(struct wil6210_priv *wil, u32 *t_bb, u32 *t_rf) 


int wmi_disconnect_sta(struct wil6210_priv *wil, const u8 *mac, u16 reason)

{

	int rc;

	u16 reason_code;

	struct wmi_disconnect_sta_cmd cmd = {

		.disconnect_reason = cpu_to_le16(reason),

	};

	struct {

		struct wil6210_mbox_hdr_wmi wmi;

		struct wmi_disconnect_event evt;

	} __packed reply;



	ether_addr_copy(cmd.dst_mac, mac);



	wil_dbg_wmi(wil, "%s(%pM, reason %d)\n", __func__, mac, reason);



	return wmi_send(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd));

	rc = wmi_call(wil, WMI_DISCONNECT_STA_CMDID, &cmd, sizeof(cmd),

		      WMI_DISCONNECT_EVENTID, &reply, sizeof(reply), 1000);

	/* failure to disconnect in reasonable time treated as FW error */

	if (rc) {

		wil_fw_error_recovery(wil);

		return rc;

	}



	/* call event handler manually after processing wmi_call,

	 * to avoid deadlock - disconnect event handler acquires wil->mutex

	 * while it is already held here

	 */

	reason_code = le16_to_cpu(reply.evt.protocol_reason_status);



	wil_dbg_wmi(wil, "Disconnect %pM reason [proto %d wmi %d]\n",

		    reply.evt.bssid, reason_code,

		    reply.evt.disconnect_reason);



	wil->sinfo_gen++;

	wil6210_disconnect(wil, reply.evt.bssid, reason_code, true);



	return 0;

}



int wmi_addba(struct wil6210_priv *wil, u8 ringid, u8 size, u16 timeout)