79 lines
3.2 KiB
Diff
79 lines
3.2 KiB
Diff
From fbf07000960d9c8a13fdc17c6de0230d681c7543 Mon Sep 17 00:00:00 2001
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From: Chung-Hsien Hsu <stanley.hsu@cypress.com>
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Date: Thu, 27 Sep 2018 14:59:49 +0000
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Subject: [PATCH] brcmfmac: fix full timeout waiting for action frame
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on-channel tx
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The driver sends an action frame down and waits for a completion signal
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triggered by the received BRCMF_E_ACTION_FRAME_OFF_CHAN_COMPLETE event
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to continue the process. However, the action frame could be transmitted
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either on the current channel or on an off channel. For the on-channel
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case, only BRCMF_E_ACTION_FRAME_COMPLETE event will be received when
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the frame is transmitted, which make the driver always wait a full
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timeout duration. This patch has the completion signal be triggered by
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receiving the BRCMF_E_ACTION_FRAME_COMPLETE event for the on-channel
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case.
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This change fixes WFA p2p certification 5.1.19 failure.
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Signed-off-by: Chung-Hsien Hsu <stanley.hsu@cypress.com>
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Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com>
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Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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---
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c | 17 +++++++++++++++--
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drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h | 2 ++
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2 files changed, 17 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c
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@@ -1457,10 +1457,12 @@ int brcmf_p2p_notify_action_tx_complete(
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return 0;
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if (e->event_code == BRCMF_E_ACTION_FRAME_COMPLETE) {
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- if (e->status == BRCMF_E_STATUS_SUCCESS)
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+ if (e->status == BRCMF_E_STATUS_SUCCESS) {
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set_bit(BRCMF_P2P_STATUS_ACTION_TX_COMPLETED,
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&p2p->status);
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- else {
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+ if (!p2p->wait_for_offchan_complete)
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+ complete(&p2p->send_af_done);
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+ } else {
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set_bit(BRCMF_P2P_STATUS_ACTION_TX_NOACK, &p2p->status);
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/* If there is no ack, we don't need to wait for
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* WLC_E_ACTION_FRAME_OFFCHAN_COMPLETE event
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@@ -1511,6 +1513,17 @@ static s32 brcmf_p2p_tx_action_frame(str
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p2p->af_sent_channel = le32_to_cpu(af_params->channel);
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p2p->af_tx_sent_jiffies = jiffies;
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+ if (test_bit(BRCMF_P2P_STATUS_DISCOVER_LISTEN, &p2p->status) &&
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+ p2p->af_sent_channel ==
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+ ieee80211_frequency_to_channel(p2p->remain_on_channel.center_freq))
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+ p2p->wait_for_offchan_complete = false;
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+ else
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+ p2p->wait_for_offchan_complete = true;
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+
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+ brcmf_dbg(TRACE, "Waiting for %s tx completion event\n",
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+ (p2p->wait_for_offchan_complete) ?
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+ "off-channel" : "on-channel");
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+
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timeout = wait_for_completion_timeout(&p2p->send_af_done,
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P2P_AF_MAX_WAIT_TIME);
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--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
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+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.h
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@@ -124,6 +124,7 @@ struct afx_hdl {
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* @gon_req_action: about to send go negotiation requets frame.
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* @block_gon_req_tx: drop tx go negotiation requets frame.
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* @p2pdev_dynamically: is p2p device if created by module param or supplicant.
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+ * @wait_for_offchan_complete: wait for off-channel tx completion event.
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*/
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struct brcmf_p2p_info {
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struct brcmf_cfg80211_info *cfg;
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@@ -144,6 +145,7 @@ struct brcmf_p2p_info {
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bool gon_req_action;
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bool block_gon_req_tx;
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bool p2pdev_dynamically;
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+ bool wait_for_offchan_complete;
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};
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s32 brcmf_p2p_attach(struct brcmf_cfg80211_info *cfg, bool p2pdev_forced);
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