Notify firmware to flush cache before scanning when needed.
Signed-off-by: Sergey Matyukevich <sergey.matyukevich.os@xxxxxxxxxxxxx>
---
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
