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From: Sergey Matyukevich OS <sergey.matyukevich.os@quantenna.com>
To: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Cc: Igor Mitsyanko OS <igor.mitsyanko.os@quantenna.com>,
	Sergey Matyukevich OS <sergey.matyukevich.os@quantenna.com>
Subject: [PATCH 10/13] qtnfmac: add support for scan flush
Date: Tue, 2 Oct 2018 09:26:06 +0000	[thread overview]
Message-ID: <20181002092542.18966-11-sergey.matyukevich.os@quantenna.com> (raw)
In-Reply-To: <20181002092542.18966-1-sergey.matyukevich.os@quantenna.com>

Notify firmware to flush cache before scanning when needed.

Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@quantenna.com>
---
 drivers/net/wireless/quantenna/qtnfmac/commands.c   | 6 ++++++
 drivers/net/wireless/quantenna/qtnfmac/qlink.h      | 1 +
 drivers/net/wireless/quantenna/qtnfmac/qlink_util.h | 8 ++++++++
 3 files changed, 15 insertions(+)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c
index 8dbd6c45c233..8fb15cbf5005 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c
@@ -2197,6 +2197,12 @@ int qtnf_cmd_send_scan(struct qtnf_wmac *mac)
 					 scan_req->mac_addr_mask);
 	}
 
+	if (scan_req->flags & NL80211_SCAN_FLAG_FLUSH) {
+		pr_debug("MAC%u: flush cache before scan\n", mac->macid);
+
+		qtnf_cmd_skb_put_tlv_tag(cmd_skb, QTN_TLV_ID_SCAN_FLUSH);
+	}
+
 	ret = qtnf_cmd_send(mac->bus, cmd_skb);
 	if (ret)
 		goto out;
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
index c5ae4ea9a47a..699157100309 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink.h
@@ -1151,6 +1151,7 @@ enum qlink_tlv_id {
 	QTN_TLV_ID_MAX_SCAN_SSIDS	= 0x0409,
 	QTN_TLV_ID_WOWLAN_CAPAB		= 0x0410,
 	QTN_TLV_ID_WOWLAN_PATTERN	= 0x0411,
+	QTN_TLV_ID_SCAN_FLUSH		= 0x0412,
 };
 
 struct qlink_tlv_hdr {
diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
index 54caeb38917c..960d5d97492f 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
+++ b/drivers/net/wireless/quantenna/qtnfmac/qlink_util.h
@@ -40,6 +40,14 @@ static inline void qtnf_cmd_skb_put_tlv_arr(struct sk_buff *skb,
 	memcpy(hdr->val, arr, arr_len);
 }
 
+static inline void qtnf_cmd_skb_put_tlv_tag(struct sk_buff *skb, u16 tlv_id)
+{
+	struct qlink_tlv_hdr *hdr = skb_put(skb, sizeof(*hdr));
+
+	hdr->type = cpu_to_le16(tlv_id);
+	hdr->len = cpu_to_le16(0);
+}
+
 static inline void qtnf_cmd_skb_put_tlv_u8(struct sk_buff *skb, u16 tlv_id,
 					   u8 value)
 {
-- 
2.11.0


  parent reply	other threads:[~2018-10-02  9:26 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-02  9:25 [PATCH 00/13] qtnfmac: fixes and cleanups for STA mode Sergey Matyukevich OS
2018-10-02  9:25 ` [PATCH 01/13] qtnfmac: do not track STA states in driver Sergey Matyukevich OS
2018-10-02  9:25 ` [PATCH 02/13] qtnfmac: generate local disconnect event in disconnect callback Sergey Matyukevich OS
2018-10-02  9:25 ` [PATCH 03/13] qtnfmac: request userspace to do OBSS scanning if FW can not Sergey Matyukevich OS
2018-10-02  9:25 ` [PATCH 04/13] qtnfmac: do not initialize per-MAC data multiple times Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 05/13] qtnfmac: cleanup and unify command error handling Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 06/13] qtnfmac: do not cancel scan in disconnect callback Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 07/13] qtnfmac: pass sgi rate info flag to wireless core Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 08/13] qtnfmac: pass supported extended capabilities to wiphy Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 09/13] qtnfmac: drop error reports for out-of-bounds key indexes Sergey Matyukevich OS
2018-10-02  9:26 ` Sergey Matyukevich OS [this message]
2018-10-02  9:26 ` [PATCH 11/13] qtnfmac: add support for scan dwell time configuration Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 12/13] qtnfmac: drop redundant data copy in control path Sergey Matyukevich OS
2018-10-02  9:26 ` [PATCH 13/13] qtnfmac: implement dump_station support for STA mode Sergey Matyukevich OS
2018-10-05  8:19 ` [PATCH 00/13] qtnfmac: fixes and cleanups " Kalle Valo
2018-10-05  9:56   ` Sergey Matyukevich

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