From patchwork Thu Jan 9 17:25:20 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ankit Navik X-Patchwork-Id: 197495 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8294FC282DD for ; Thu, 9 Jan 2020 17:25:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DB9F206ED for ; Thu, 9 Jan 2020 17:25:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388097AbgAIRZh (ORCPT ); Thu, 9 Jan 2020 12:25:37 -0500 Received: from mga07.intel.com ([134.134.136.100]:13787 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388095AbgAIRZg (ORCPT ); Thu, 9 Jan 2020 12:25:36 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 09 Jan 2020 09:25:36 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.69,414,1571727600"; d="scan'208";a="216371866" Received: from unknown (HELO localhost.localdomain) ([10.223.165.29]) by orsmga008.jf.intel.com with ESMTP; 09 Jan 2020 09:25:34 -0800 From: Ankit Navik To: linux-bluetooth@vger.kernel.org Cc: ankit.p.navik@intel.com Subject: [PATCH] Bluetooth: Store periodic advertiser list size Date: Thu, 9 Jan 2020 22:55:20 +0530 Message-Id: <1578590720-14541-1-git-send-email-ankit.p.navik@intel.com> X-Mailer: git-send-email 2.7.4 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org When controller supports the Read LE Periodic Advertiser List Size feature, the total number of list size are read and now stored. Signed-off-by: Ankit Navik --- include/net/bluetooth/hci.h | 6 ++++++ include/net/bluetooth/hci_core.h | 2 ++ net/bluetooth/hci_core.c | 8 ++++++++ net/bluetooth/hci_debugfs.c | 19 +++++++++++++++++++ net/bluetooth/hci_event.c | 18 ++++++++++++++++++ 5 files changed, 53 insertions(+) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 6e8805f..dc7f176 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1641,6 +1641,12 @@ struct hci_cp_le_ext_conn_param { __le16 max_ce_len; } __packed; +#define HCI_OP_LE_READ_PERIODIC_ADV_LIST_SIZE 0x204a +struct hci_rp_le_read_periodic_adv_list_size { + __u8 status; + __u8 size; +} __packed; + #define HCI_OP_LE_READ_TX_POWER 0x204b struct hci_rp_le_read_tx_power { __u8 status; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 88c6e55..7601d26 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -239,6 +239,7 @@ struct hci_dev { __u8 le_features[8]; __u8 le_white_list_size; __u8 le_resolv_list_size; + __u8 le_periodic_adv_list_size; __u8 le_num_of_adv_sets; __u8 le_states[8]; __u8 commands[64]; @@ -394,6 +395,7 @@ struct hci_dev { struct list_head remote_oob_data; struct list_head le_white_list; struct list_head le_resolv_list; + struct list_head le_periodic_adv_list; struct list_head le_conn_params; struct list_head pend_le_conns; struct list_head pend_le_reports; diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 9e19d5a..9f9262d 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -757,6 +757,12 @@ static int hci_init3_req(struct hci_request *req, unsigned long opt) hci_req_add(req, HCI_OP_LE_CLEAR_RESOLV_LIST, 0, NULL); } + if (hdev->commands[44]& 0x40) { + /* Read LE periodic Advertiser List */ + hci_req_add(req, HCI_OP_LE_READ_PERIODIC_ADV_LIST_SIZE, + 0, NULL); + } + if (hdev->le_features[0] & HCI_LE_DATA_LEN_EXT) { /* Read LE Maximum Data Length */ hci_req_add(req, HCI_OP_LE_READ_MAX_DATA_LEN, 0, NULL); @@ -3239,6 +3245,7 @@ struct hci_dev *hci_alloc_dev(void) INIT_LIST_HEAD(&hdev->remote_oob_data); INIT_LIST_HEAD(&hdev->le_white_list); INIT_LIST_HEAD(&hdev->le_resolv_list); + INIT_LIST_HEAD(&hdev->le_periodic_adv_list); INIT_LIST_HEAD(&hdev->le_conn_params); INIT_LIST_HEAD(&hdev->pend_le_conns); INIT_LIST_HEAD(&hdev->pend_le_reports); @@ -3441,6 +3448,7 @@ void hci_unregister_dev(struct hci_dev *hdev) hci_adv_instances_clear(hdev); hci_bdaddr_list_clear(&hdev->le_white_list); hci_bdaddr_list_clear(&hdev->le_resolv_list); + hci_bdaddr_list_clear(&hdev->le_periodic_adv_list); hci_conn_params_clear_all(hdev); hci_discovery_filter_clear(hdev); hci_dev_unlock(hdev); diff --git a/net/bluetooth/hci_debugfs.c b/net/bluetooth/hci_debugfs.c index 402e2cc..062fd25 100644 --- a/net/bluetooth/hci_debugfs.c +++ b/net/bluetooth/hci_debugfs.c @@ -740,6 +740,21 @@ static int resolv_list_show(struct seq_file *f, void *ptr) DEFINE_SHOW_ATTRIBUTE(resolv_list); +static int periodic_adv_list_show(struct seq_file *f, void *ptr) +{ + struct hci_dev *hdev = f->private; + struct bdaddr_list *b; + + hci_dev_lock(hdev); + list_for_each_entry(b, &hdev->le_periodic_adv_list, list) + seq_printf(f, "%pMR (type %u)\n", &b->bdaddr, b->bdaddr_type); + hci_dev_unlock(hdev); + + return 0; +} + +DEFINE_SHOW_ATTRIBUTE(periodic_adv_list); + static int identity_resolving_keys_show(struct seq_file *f, void *ptr) { struct hci_dev *hdev = f->private; @@ -1034,6 +1049,10 @@ void hci_debugfs_create_le(struct hci_dev *hdev) &hdev->le_resolv_list_size); debugfs_create_file("resolv_list", 0444, hdev->debugfs, hdev, &resolv_list_fops); + debugfs_create_u8("periodic_adv_list_size", 0444, hdev->debugfs, + &hdev->le_periodic_adv_list_size); + debugfs_create_file("periodic_adv_list", 0444, hdev->debugfs, hdev, + &periodic_adv_list_fops); debugfs_create_file("identity_resolving_keys", 0400, hdev->debugfs, hdev, &identity_resolving_keys_fops); debugfs_create_file("long_term_keys", 0400, hdev->debugfs, hdev, diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index fc154cf..61e48c5 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -222,6 +222,7 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) hci_bdaddr_list_clear(&hdev->le_white_list); hci_bdaddr_list_clear(&hdev->le_resolv_list); + hci_bdaddr_list_clear(&hdev->le_periodic_adv_list); } static void hci_cc_read_stored_link_key(struct hci_dev *hdev, @@ -1721,6 +1722,19 @@ static void hci_cc_read_rssi(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_unlock(hdev); } +static void hci_cc_le_read_periodic_adv_list_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_periodic_adv_list_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); + + if (rp->status) + return; + + hdev->le_periodic_adv_list_size = rp->size; +} + static void hci_cc_read_tx_power(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_cp_read_tx_power *sent; @@ -3428,6 +3442,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb, hci_cc_le_read_max_data_len(hdev, skb); break; + case HCI_OP_LE_READ_PERIODIC_ADV_LIST_SIZE: + hci_cc_le_read_periodic_adv_list_size(hdev, skb); + break; + case HCI_OP_LE_READ_TX_POWER: hci_cc_le_read_tx_power(hdev, skb); break;