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Mon, 10 Feb 2020 18:35:58 +0000 From: To: CC: , , , , Subject: [PATCH 1/3] staging: wilc1000: remove use of vendor specific IE for p2p handling Thread-Topic: [PATCH 1/3] staging: wilc1000: remove use of vendor specific IE for p2p handling Thread-Index: AQHV4EDvKZ+ZuIpTBEOwTMxTMpDjDQ== Date: Mon, 10 Feb 2020 18:35:58 +0000 Message-ID: <20200211000652.4781-1-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-mailer: git-send-email 2.17.1 x-originating-ip: [121.244.27.38] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: b014bafe-014a-4afb-f401-08d7ae581263 x-ms-traffictypediagnostic: BN6PR11MB1636: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:4714; x-forefront-prvs: 03094A4065 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(366004)(346002)(376002)(396003)(39860400002)(136003)(189003)(199004)(2616005)(86362001)(6916009)(8936002)(5660300002)(316002)(76116006)(66946007)(91956017)(66476007)(1076003)(8676002)(66556008)(64756008)(66446008)(478600001)(2906002)(6486002)(26005)(6512007)(107886003)(6506007)(4326008)(71200400001)(81166006)(81156014)(54906003)(36756003)(186003);DIR:OUT;SFP:1101;SCL:1;SRVR:BN6PR11MB1636;H:BN6PR11MB3985.namprd11.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: D/TMcpfMRXhSoOGmPywesD+PwG9ehqwKOgf8JNFVTN08ISB0jefIAVCSYtCyhp+XnEt+mboKWUHTZVoD2C5MrSUJDbshZpq6ExaU5bc0xuRUCsAk7hoigM6VEkJzvYXWwJ85I3z3G376BNeXXFXi0q6FGsd20RyqKM3V8xTNn1/MzVTXBzFpuIBdyRJXBEL/lXWxub8CA21ec52r2VdiBrBigRSVqkayGx1FKVpqjyTNg2hfbbuV641NuCJYiHR5n5R9B9Rm9/kslTZaEpzAGy3MN+Ranpz12tttpfkqPB6yitcvUMxVWCY+o0Jw9ByGUOTsvSQAg5D9fEsrwd7AIrzHitZPGCRXGMp0g6mx/9/CzqkA4laTHQiRpQd12MyAk1AtPAmICben4llmnXqpgod6I/U6WMk+Dzoos9HwjjnrwWbVo5h9RuHOa3b1VM17 x-ms-exchange-antispam-messagedata: Xsu3N+UP/cCJWiEuU2yQ5ruAKndGJuHPv9xxnEtOlRqFBq41HU5rc/vfpmSbvF3KlGzZS3szNfrovjzRLu9GPpc0oOanI06fqvCS4fRO935UR1gJRmPYcIUk3183wBUhDBtKAV3s9R/gRa7ZzhKvSg== Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: b014bafe-014a-4afb-f401-08d7ae581263 X-MS-Exchange-CrossTenant-originalarrivaltime: 10 Feb 2020 18:35:58.3600 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: IFXcd7/ViZpoaUiPY6O2F7UJTa2/rRbDxvjB1IwrhURBMk6xD2D5bfuCn4/WM6mB/S5bnATC20OgTnRBXzoK9EYBWD8ltDtlCvjb1TgMIq0= X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR11MB1636 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ajay Singh Remove the use of vendor specific IE parameter to decide p2p_GO/p2p_Client roles between two 'wilc' device. Previously p2p group formation between two 'wilc' device make use of vendor IE for roles decision. The role is decided based on the 'go_intent' value. Signed-off-by: Ajay Singh --- drivers/staging/wilc1000/cfg80211.c | 72 ++--------------------------- drivers/staging/wilc1000/netdev.c | 2 - drivers/staging/wilc1000/netdev.h | 7 --- 3 files changed, 4 insertions(+), 77 deletions(-) diff --git a/drivers/staging/wilc1000/cfg80211.c b/drivers/staging/wilc1000= /cfg80211.c index 4863e516ff13..7afbc475b3ea 100644 --- a/drivers/staging/wilc1000/cfg80211.c +++ b/drivers/staging/wilc1000/cfg80211.c @@ -68,7 +68,6 @@ struct wilc_p2p_mgmt_data { }; =20 static const u8 p2p_oui[] =3D {0x50, 0x6f, 0x9A, 0x09}; -static const u8 p2p_vendor_spec[] =3D {0xdd, 0x05, 0x00, 0x08, 0x40, 0x03}= ; =20 static void cfg_scan_result(enum scan_event scan_event, struct wilc_rcvd_net_info *info, void *user_void) @@ -172,9 +171,6 @@ static void cfg_connect_result(enum conn_event conn_dis= conn_evt, u8 mac_status, } else if (conn_disconn_evt =3D=3D CONN_DISCONN_EVENT_DISCONN_NOTIF) { u16 reason =3D 0; =20 - priv->p2p.local_random =3D 0x01; - priv->p2p.recv_random =3D 0x00; - priv->p2p.is_wilc_ie =3D false; eth_zero_addr(priv->associated_bss); wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE); =20 @@ -446,9 +442,6 @@ static int disconnect(struct wiphy *wiphy, struct net_d= evice *dev, wilc->sta_ch =3D WILC_INVALID_CHANNEL; wilc_wlan_set_bssid(priv->dev, NULL, WILC_STATION_MODE); =20 - priv->p2p.local_random =3D 0x01; - priv->p2p.recv_random =3D 0x00; - priv->p2p.is_wilc_ie =3D false; priv->hif_drv->p2p_timeout =3D 0; =20 ret =3D wilc_disconnect(vif); @@ -934,9 +927,6 @@ static void wilc_wfi_cfg_parse_rx_action(u8 *buf, u32 l= en, u8 sta_ch) u8 channel_list_attr_index =3D 0; =20 while (index < len) { - if (buf[index] =3D=3D GO_INTENT_ATTR_ID) - buf[index + 3] =3D (buf[index + 3] & 0x01) | (0x00 << 1); - if (buf[index] =3D=3D CHANLIST_ATTR_ID) channel_list_attr_index =3D index; else if (buf[index] =3D=3D OPERCHAN_ATTR_ID) @@ -956,12 +946,6 @@ static void wilc_wfi_cfg_parse_tx_action(u8 *buf, u32 = len, bool oper_ch, u8 channel_list_attr_index =3D 0; =20 while (index < len) { - if (buf[index] =3D=3D GO_INTENT_ATTR_ID) { - buf[index + 3] =3D (buf[index + 3] & 0x01) | (0x0f << 1); - - break; - } - if (buf[index] =3D=3D CHANLIST_ATTR_ID) channel_list_attr_index =3D index; else if (buf[index] =3D=3D OPERCHAN_ATTR_ID) @@ -981,24 +965,6 @@ static void wilc_wfi_cfg_parse_rx_vendor_spec(struct w= ilc_priv *priv, u8 *buff, struct wilc_vif *vif =3D netdev_priv(priv->dev); =20 subtype =3D buff[P2P_PUB_ACTION_SUBTYPE]; - if ((subtype =3D=3D GO_NEG_REQ || subtype =3D=3D GO_NEG_RSP) && - !priv->p2p.is_wilc_ie) { - for (i =3D P2P_PUB_ACTION_SUBTYPE; i < size; i++) { - if (!memcmp(p2p_vendor_spec, &buff[i], 6)) { - priv->p2p.recv_random =3D buff[i + 6]; - priv->p2p.is_wilc_ie =3D true; - break; - } - } - } - - if (priv->p2p.local_random <=3D priv->p2p.recv_random) { - netdev_dbg(vif->ndev, - "PEER WILL BE GO LocaRand=3D%02x RecvRand %02x\n", - priv->p2p.local_random, priv->p2p.recv_random); - return; - } - if (subtype =3D=3D GO_NEG_REQ || subtype =3D=3D GO_NEG_RSP || subtype =3D=3D P2P_INV_REQ || subtype =3D=3D P2P_INV_RSP) { for (i =3D P2P_PUB_ACTION_SUBTYPE + 2; i < size; i++) { @@ -1051,8 +1017,6 @@ void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff, = u32 size) return; } if (buff[ACTION_CAT_ID] =3D=3D PUB_ACTION_ATTR_ID) { - u8 subtype =3D buff[P2P_PUB_ACTION_SUBTYPE]; - switch (buff[ACTION_SUBTYPE_ID]) { case GAS_INITIAL_REQ: case GAS_INITIAL_RSP: @@ -1063,10 +1027,6 @@ void wilc_wfi_p2p_rx(struct wilc_vif *vif, u8 *buff,= u32 size) wilc_wfi_cfg_parse_rx_vendor_spec(priv, buff, size); =20 - if ((subtype =3D=3D GO_NEG_REQ || subtype =3D=3D GO_NEG_RSP) && - priv->p2p.is_wilc_ie) - size -=3D 7; - break; =20 default: @@ -1167,17 +1127,8 @@ static void wilc_wfi_cfg_tx_vendor_spec(struct wilc_= priv *priv, u8 subtype =3D buf[P2P_PUB_ACTION_SUBTYPE]; struct wilc_vif *vif =3D netdev_priv(priv->dev); =20 - if (subtype =3D=3D GO_NEG_REQ || subtype =3D=3D GO_NEG_RSP) { - if (priv->p2p.local_random =3D=3D 1 && - priv->p2p.recv_random < priv->p2p.local_random) { - get_random_bytes(&priv->p2p.local_random, 1); - priv->p2p.local_random++; - } - } - - if (priv->p2p.local_random <=3D priv->p2p.recv_random || - !(subtype =3D=3D GO_NEG_REQ || subtype =3D=3D GO_NEG_RSP || - subtype =3D=3D P2P_INV_REQ || subtype =3D=3D P2P_INV_RSP)) + if (subtype !=3D GO_NEG_REQ && subtype !=3D GO_NEG_RSP && + subtype !=3D P2P_INV_REQ && subtype !=3D P2P_INV_RSP) return; =20 for (i =3D P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) { @@ -1196,15 +1147,6 @@ static void wilc_wfi_cfg_tx_vendor_spec(struct wilc_= priv *priv, break; } } - - if (subtype !=3D P2P_INV_REQ && subtype !=3D P2P_INV_RSP) { - int vendor_spec_len =3D sizeof(p2p_vendor_spec); - - memcpy(&mgmt_tx->buff[len], p2p_vendor_spec, - vendor_spec_len); - mgmt_tx->buff[len + vendor_spec_len] =3D priv->p2p.local_random; - mgmt_tx->size =3D buf_len; - } } =20 static int mgmt_tx(struct wiphy *wiphy, @@ -1221,8 +1163,6 @@ static int mgmt_tx(struct wiphy *wiphy, struct wilc_vif *vif =3D netdev_priv(wdev->netdev); struct wilc_priv *priv =3D &vif->priv; struct host_if_drv *wfi_drv =3D priv->hif_drv; - u32 buf_len =3D len + sizeof(p2p_vendor_spec) + - sizeof(priv->p2p.local_random); int ret =3D 0; =20 *cookie =3D prandom_u32(); @@ -1238,7 +1178,7 @@ static int mgmt_tx(struct wiphy *wiphy, goto out; } =20 - mgmt_tx->buff =3D kmalloc(buf_len, GFP_KERNEL); + mgmt_tx->buff =3D kmalloc(len, GFP_KERNEL); if (!mgmt_tx->buff) { ret =3D -ENOMEM; kfree(mgmt_tx); @@ -1272,7 +1212,7 @@ static int mgmt_tx(struct wiphy *wiphy, if (!memcmp(p2p_oui, &buf[ACTION_SUBTYPE_ID + 1], 4)) wilc_wfi_cfg_tx_vendor_spec(priv, mgmt_tx, params, vif->iftype, - buf_len); + len); else netdev_dbg(vif->ndev, "Not a P2P public action frame\n"); @@ -1400,10 +1340,6 @@ static int change_virtual_intf(struct wiphy *wiphy, = struct net_device *dev, struct wilc_vif *vif =3D netdev_priv(dev); struct wilc_priv *priv =3D &vif->priv; =20 - priv->p2p.local_random =3D 0x01; - priv->p2p.recv_random =3D 0x00; - priv->p2p.is_wilc_ie =3D false; - switch (type) { case NL80211_IFTYPE_STATION: vif->connecting =3D false; diff --git a/drivers/staging/wilc1000/netdev.c b/drivers/staging/wilc1000/n= etdev.c index fce5bf2d82fa..045f5cdfdca0 100644 --- a/drivers/staging/wilc1000/netdev.c +++ b/drivers/staging/wilc1000/netdev.c @@ -577,7 +577,6 @@ static int wilc_mac_open(struct net_device *ndev) { struct wilc_vif *vif =3D netdev_priv(ndev); struct wilc *wl =3D vif->wilc; - struct wilc_priv *priv =3D wdev_priv(vif->ndev->ieee80211_ptr); unsigned char mac_add[ETH_ALEN] =3D {0}; int ret =3D 0; =20 @@ -621,7 +620,6 @@ static int wilc_mac_open(struct net_device *ndev) vif->frame_reg[1].reg); netif_wake_queue(ndev); wl->open_ifcs++; - priv->p2p.local_random =3D 0x01; vif->mac_opened =3D 1; return 0; } diff --git a/drivers/staging/wilc1000/netdev.h b/drivers/staging/wilc1000/n= etdev.h index d5f7a6037fbc..c475e78e3a69 100644 --- a/drivers/staging/wilc1000/netdev.h +++ b/drivers/staging/wilc1000/netdev.h @@ -66,12 +66,6 @@ struct wilc_wfi_p2p_listen_params { u64 listen_cookie; }; =20 -struct wilc_p2p_var { - u8 local_random; - u8 recv_random; - bool is_wilc_ie; -}; - static const u32 wilc_cipher_suites[] =3D { WLAN_CIPHER_SUITE_WEP40, WLAN_CIPHER_SUITE_WEP104, @@ -155,7 +149,6 @@ struct wilc_priv { struct mutex scan_req_lock; bool p2p_listen_state; int scanned_cnt; - struct wilc_p2p_var p2p; =20 u64 inc_roc_cookie; }; --=20 2.24.0