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73 lines
2.2 KiB
Diff
73 lines
2.2 KiB
Diff
From 90bf5c8d0f7ecddf96fc1cd9434af4e157b51970 Mon Sep 17 00:00:00 2001
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From: Carl Huang <quic_cjhuang@quicinc.com>
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Date: Mon, 14 Mar 2022 07:18:16 +0200
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Subject: [PATCH] ath11k: purge rx pktlog when entering WoW
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This change is to purge rx pktlog when entering WoW and reap
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the mon_status buffer to keep it empty. When leaving WoW, host
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restarts the reap timer. In WoW state, it's not allowed to feed
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into mon_status rings per firmware team's recommendation.
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Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01740-QCAHSTSWPLZ_V2_TO_X86-1
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Signed-off-by: Carl Huang <quic_cjhuang@quicinc.com>
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Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
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Link: https://lore.kernel.org/r/1644308006-22784-5-git-send-email-quic_cjhuang@quicinc.com
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---
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drivers/net/wireless/ath/ath11k/wow.c | 23 +++++++++++++++++++++++
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1 file changed, 23 insertions(+)
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--- a/drivers/net/wireless/ath/ath11k/wow.c
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+++ b/drivers/net/wireless/ath/ath11k/wow.c
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@@ -13,6 +13,7 @@
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#include "debug.h"
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#include "wmi.h"
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#include "wow.h"
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+#include "dp_rx.h"
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static const struct wiphy_wowlan_support ath11k_wowlan_support = {
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.flags = WIPHY_WOWLAN_DISCONNECT |
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@@ -566,6 +567,14 @@ int ath11k_wow_op_suspend(struct ieee802
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mutex_lock(&ar->conf_mutex);
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+ ret = ath11k_dp_rx_pktlog_stop(ar->ab, true);
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+ if (ret) {
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+ ath11k_warn(ar->ab,
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+ "failed to stop dp rx (and timer) pktlog during wow suspend: %d\n",
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+ ret);
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+ goto exit;
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+ }
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+
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ret = ath11k_wow_cleanup(ar);
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if (ret) {
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ath11k_warn(ar->ab, "failed to clear wow wakeup events: %d\n",
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@@ -599,6 +608,14 @@ int ath11k_wow_op_suspend(struct ieee802
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goto cleanup;
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}
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+ ret = ath11k_dp_rx_pktlog_stop(ar->ab, false);
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+ if (ret) {
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+ ath11k_warn(ar->ab,
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+ "failed to stop dp rx pktlog during wow suspend: %d\n",
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+ ret);
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+ goto cleanup;
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+ }
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+
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ath11k_ce_stop_shadow_timers(ar->ab);
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ath11k_dp_stop_shadow_timers(ar->ab);
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@@ -649,6 +666,12 @@ int ath11k_wow_op_resume(struct ieee8021
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ath11k_hif_ce_irq_enable(ar->ab);
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ath11k_hif_irq_enable(ar->ab);
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+ ret = ath11k_dp_rx_pktlog_start(ar->ab);
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+ if (ret) {
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+ ath11k_warn(ar->ab, "failed to start rx pktlog from wow: %d\n", ret);
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+ return ret;
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+ }
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+
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ret = ath11k_wow_wakeup(ar->ab);
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if (ret) {
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ath11k_warn(ar->ab, "failed to wakeup from wow: %d\n", ret);
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