From patchwork Fri May 6 21:57:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Augusto von Dentz X-Patchwork-Id: 570243 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0C6F8C43217 for ; Fri, 6 May 2022 21:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1444627AbiEFWBk (ORCPT ); Fri, 6 May 2022 18:01:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1444634AbiEFWBi (ORCPT ); Fri, 6 May 2022 18:01:38 -0400 Received: from mail-io1-xd35.google.com (mail-io1-xd35.google.com [IPv6:2607:f8b0:4864:20::d35]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8510124F09 for ; Fri, 6 May 2022 14:57:54 -0700 (PDT) Received: by mail-io1-xd35.google.com with SMTP id z26so9483840iot.8 for ; Fri, 06 May 2022 14:57:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=aaPK0e3xWbCk/gr+fK3J7GSQyesYbC8VHkpcykGAlxI=; b=SQFKmup1GeA7LLqhPgjXFFT0fwfmV34Du0E2D2hf0G6ik0V3qPCCeithOc/ETUrFVy sWihSc8wT4G19b5evlDUvqhW9epznMXe+o9yzVZlm6IYGQglnXAhDr+7G51XTjl5CS8w OmGKGsGHAnEE8LXQbNClBn5UepMZlT5BANijceC8eyJ5X57o/upisD5RXkUQ5z7Q/tZV uQI6/xNNqIqxsyGJ9qD3jXavrQCP8NK5sUkFGENEhUpa0pP3XdXoNCymF0aHCOjjumjr UdfsoY3NUhoPPiJcP3Q5K4oyKe7k2DR4ZbvSlGWjMq8acwwsl8bRkWk33PInTWmoTrPT Njew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=aaPK0e3xWbCk/gr+fK3J7GSQyesYbC8VHkpcykGAlxI=; b=srnJjfLHCsnvQK7Kc5fK9mB8xH5k1b4tpwPQ4/Ep5FVEubrdu31L7PFue11jRlnS+s l7ltqDzEHa9Qoi+sC4ukHoQFqGzp86nl3xBcYh2Vo02G+lISw5KKvkS3HgsrN72v1OHk 7u8Vo3IJZi5ys1av49Mm8QQAxP8EXwU/HHcIZjnB+6s9ZgVLgPLu9lrCLf073biMISg0 AvakTjHuz5eaonsW289JjLsG3GidmaZDya9t2sB1qu1ddbWnWarv1m2pjBXRPnMOWeZq rx8iIDd7Z+XVcWGm1vkJ88Dy1g9iH2KtdV7pysWhZoOpcj/nx8IbiwYnUCYoxTAs+RHj NSRA== X-Gm-Message-State: AOAM532YzYNxIXtZWf5bEK2w3Hv4HBdVtWYc8UpaEXPAPcjxRSV5tXUa JXD9hePJJU/qbD5cFHm3b+4UG8odNUE= X-Google-Smtp-Source: ABdhPJzSeMB9SDVIkom8rlE76uEhIczDPFgb11W4X/eLcfWYf/MFj/j+wQzaojZ1cK1YAj7nvmqF1Q== X-Received: by 2002:a02:950c:0:b0:323:918d:a98f with SMTP id y12-20020a02950c000000b00323918da98fmr2247686jah.190.1651874273690; Fri, 06 May 2022 14:57:53 -0700 (PDT) Received: from lvondent-mobl4.. (c-71-56-157-77.hsd1.or.comcast.net. [71.56.157.77]) by smtp.gmail.com with ESMTPSA id s14-20020a5e980e000000b0065aab053448sm1572281ioj.21.2022.05.06.14.57.52 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 May 2022 14:57:52 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v2 8/8] Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet Date: Fri, 6 May 2022 14:57:43 -0700 Message-Id: <20220506215743.3870212-8-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220506215743.3870212-1-luiz.dentz@gmail.com> References: <20220506215743.3870212-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz Fix up the packet type if ISO packets are sent over the bulk endpoint. Note: This is a stopgap since the Bluetooth specification currently doesn't define any endpoint to transport ISO packets. Signed-off-by: Luiz Augusto von Dentz --- drivers/bluetooth/btusb.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index a1ee0b20bdf6..0120cd7cc197 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -893,11 +893,21 @@ static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) hci_skb_expect(skb) -= len; if (skb->len == HCI_ACL_HDR_SIZE) { + __u16 handle = __le16_to_cpu(hci_acl_hdr(skb)->handle); __le16 dlen = hci_acl_hdr(skb)->dlen; + __u8 type; /* Complete ACL header */ hci_skb_expect(skb) = __le16_to_cpu(dlen); + /* Detect if ISO packet has been sent over bulk */ + if (hci_conn_num(data->hdev, ISO_LINK)) { + type = hci_conn_lookup_type(data->hdev, + hci_handle(handle)); + if (type == ISO_LINK) + hci_skb_pkt_type(skb) = HCI_ISODATA_PKT; + } + if (skb_tailroom(skb) < hci_skb_expect(skb)) { kfree_skb(skb); skb = NULL;