From 5f6d4ca3c196814bef0cbbb195acd9ecc178588b Mon Sep 17 00:00:00 2001
From: Maxim Altshul <maxim.altshul@ti.com>
Date: Mon, 11 Jul 2016 17:22:33 +0300
Subject: wlcore: Add support for get_expected_throughput opcode

Adding this opcode, allows the TI wireless driver,
to report throughput directly from FW to mac80211.

This is used mainly for mesh metric calculation.

Signed-off-by: Maxim Altshul <maxim.altshul@ti.com>
[kvalo@codeaurora.org: fix indentation]
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c
index 45aab10..1d68916 100644
--- a/drivers/net/wireless/ti/wlcore/main.c
+++ b/drivers/net/wireless/ti/wlcore/main.c
@@ -5700,6 +5700,16 @@ out:
 	mutex_unlock(&wl->mutex);
 }
 
+static u32 wlcore_op_get_expected_throughput(struct ieee80211_sta *sta)
+{
+	struct wl1271_station *wl_sta = (struct wl1271_station *)sta->drv_priv;
+	struct wl1271 *wl = wl_sta->wl;
+	u8 hlid = wl_sta->hlid;
+
+	/* return in units of Kbps */
+	return (wl->links[hlid].fw_rate_mbps * 1000);
+}
+
 static bool wl1271_tx_frames_pending(struct ieee80211_hw *hw)
 {
 	struct wl1271 *wl = hw->priv;
@@ -5900,6 +5910,7 @@ static const struct ieee80211_ops wl1271_ops = {
 	.switch_vif_chanctx = wlcore_op_switch_vif_chanctx,
 	.sta_rc_update = wlcore_op_sta_rc_update,
 	.sta_statistics = wlcore_op_sta_statistics,
+	.get_expected_throughput = wlcore_op_get_expected_throughput,
 	CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
 };
 
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