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received-spf: None (protection.outlook.com: quantenna.com does not designate permitted sender hosts) x-microsoft-antispam-message-info: Fb0KPS5TZc/IRo6KJMHkV9HEK2jcTekqs1JVuEa/UCA8wSv+6eDqO43tnpm5VCmA9aLexOgnvnA6Z6h8fxzhPsfQbgniNeQw5syBfdaX3wVWhMeSsxwZb9zJGOvrN05UVsGfG3YKfmQEs210ibRJ+eUcbUKNikUFwbxB04PSTLLRCtvfx1j7rb41n0ysGCk9bSG3pAjlrA+BfktuGiOTtBbO/s3ahwzJFfj6upPsUM1Ngas9hHO+s2sf4FT0MeQi+Ii48OymbalYy7+vYVUZO8dnXUx67q+pONxyLSlIue22QtaBwPZLFhOGEToZ89VNBWGL13lbPPSiRihEXBuCscSVfMxOHjYbQsd+8q+u0fY= spamdiagnosticoutput: 1:99 spamdiagnosticmetadata: NSPM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: quantenna.com X-MS-Exchange-CrossTenant-Network-Message-Id: 8fc3b26e-1fd6-49d4-cfb7-08d628491486 X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Oct 2018 09:26:06.5499 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a355dbce-62b4-4789-9446-c1d5582180ff X-MS-Exchange-Transport-CrossTenantHeadersStamped: BL0PR05MB5266 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Notify firmware to flush cache before scanning when needed. Signed-off-by: Sergey Matyukevich --- 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/ne= t/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); } =20 + 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 =3D qtnf_cmd_send(mac->bus, cmd_skb); if (ret) goto out; diff --git a/drivers/net/wireless/quantenna/qtnfmac/qlink.h b/drivers/net/w= ireless/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 =3D 0x0409, QTN_TLV_ID_WOWLAN_CAPAB =3D 0x0410, QTN_TLV_ID_WOWLAN_PATTERN =3D 0x0411, + QTN_TLV_ID_SCAN_FLUSH =3D 0x0412, }; =20 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_bu= ff *skb, memcpy(hdr->val, arr, arr_len); } =20 +static inline void qtnf_cmd_skb_put_tlv_tag(struct sk_buff *skb, u16 tlv_i= d) +{ + struct qlink_tlv_hdr *hdr =3D skb_put(skb, sizeof(*hdr)); + + hdr->type =3D cpu_to_le16(tlv_id); + hdr->len =3D cpu_to_le16(0); +} + static inline void qtnf_cmd_skb_put_tlv_u8(struct sk_buff *skb, u16 tlv_id= , u8 value) { --=20 2.11.0