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Commit 98323895 authored by Arik Nemtsov's avatar Arik Nemtsov Committed by Luciano Coelho
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wl18xx: limit Tx for the AP single-STA-in-PSM case 



Treat a single connected STA in PSM as a slow link and regulate Tx speed
according to slow link priority/stop thresholds.
This allows us to avoid flooding the FW, while delivering decent
throughput to a peer in forced-PSM.

[Small simplification of the if statements -- Luca]

Signed-off-by: default avatarArik Nemtsov <arik@wizery.com>
Signed-off-by: default avatarLuciano Coelho <coelho@ti.com>
parent f1626fd8

drivers/net/wireless/ti/wl18xx/main.c

+4 −2
Original line number Original line Diff line number Diff line
@@ -1410,7 +1410,8 @@ static bool wl18xx_lnk_high_prio(struct wl1271 *wl, u8 hlid, 
		return false;

		return false;





	/* the priority thresholds are taken from FW */

	/* the priority thresholds are taken from FW */

	if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map))

	if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&

	    !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map))

		thold = status_priv->tx_fast_link_prio_threshold;

		thold = status_priv->tx_fast_link_prio_threshold;

	else

	else

		thold = status_priv->tx_slow_link_prio_threshold;

		thold = status_priv->tx_slow_link_prio_threshold;
@@ -1428,7 +1429,8 @@ static bool wl18xx_lnk_low_prio(struct wl1271 *wl, u8 hlid, 




	if (test_bit(hlid, (unsigned long *)&suspend_bitmap))

	if (test_bit(hlid, (unsigned long *)&suspend_bitmap))

		thold = status_priv->tx_suspend_threshold;

		thold = status_priv->tx_suspend_threshold;

	else if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map))

	else if (test_bit(hlid, (unsigned long *)&wl->fw_fast_lnk_map) &&

		 !test_bit(hlid, (unsigned long *)&wl->ap_fw_ps_map))

		thold = status_priv->tx_fast_stop_threshold;

		thold = status_priv->tx_fast_stop_threshold;

	else

	else

		thold = status_priv->tx_slow_stop_threshold;

		thold = status_priv->tx_slow_stop_threshold;