From patchwork Mon Nov 25 03:50:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mihai Moldovan X-Patchwork-Id: 845419 Received: from mail.ionic.de (ionic.de [145.239.234.145]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 22290EAC7; Mon, 25 Nov 2024 03:51:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=145.239.234.145 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732506719; cv=none; b=fEe3AFAvVSHRRMeibut706tJlI0sivt39n60SU88PEkQXi8C10/fL5OPq1TE3IIPHFGtxJgKjO2D4gcc/0EfsaELG1n10W70xK3keS5D6hF9v04OVg3RAuWhr6/KXPaIPSrROOJGKKRdeqcAWKiHOUBZL9WfVnqjTK6C1qmqWKY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732506719; c=relaxed/simple; bh=UyuABPlzyiqkE23T62xlQISSVDBGgpm7/N5AP3n04ZM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=jNMaPrXobqe7dKecTup92lF890FZG+iTWKLt9wugKkBXav7Rc26RJUnr4fo5ocxb+U7agUlnpp84F5wdX6KCEF00qR60EfnSO3LCzZ4bh1YEqBolzbgA9gIRca5sVUO9b30ePktBzLs12DC4X2fkYxmf8lBmQChz9bHuxERj4w4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ionic.de; spf=pass smtp.mailfrom=ionic.de; dkim=pass (1024-bit key) header.d=ionic.de header.i=@ionic.de header.b=fOuCpeqV; arc=none smtp.client-ip=145.239.234.145 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ionic.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ionic.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ionic.de header.i=@ionic.de header.b="fOuCpeqV" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ionic.de; s=default; t=1732506709; bh=UyuABPlzyiqkE23T62xlQISSVDBGgpm7/N5AP3n04ZM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fOuCpeqVtL5FKsBHcNc5N1UebrdiEJ/+F/uQBttmoTfpS2aWt829DskHdXSpCT3F2 HE/XTHZiYaBx4sqRacNewnMz13cYiptrM27eeUfN6BXk3nFa6yqAAboLRwxjI319n5 YuGzb30QQIxQdjZ9+GI+urwnqtgv1ogHNrtmOG5c= Received: from grml.local.home.ionic.de (unknown [IPv6:2a00:11:fb41:7a00:21b:21ff:fe5e:dddc]) by mail.ionic.de (Postfix) with ESMTPSA id F028314886FF; Mon, 25 Nov 2024 04:51:48 +0100 (CET) From: Mihai Moldovan To: ath11k@lists.infradead.org, ath12k@lists.infradead.org, Kalle Valo , Jeff Johnson , Manivannan Sadhasivam Cc: Bjorn Andersson , Konrad Dybcio , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , linux-wireless@vger.kernel.org, linux-arm-msm@vger.kernel.org, netdev@vger.kernel.org Subject: [RFC] [PATCH v2 06/13] soc: qcom: qmi_helpers: optionally bind to QRTR endpoint ID in qmi_sock_create Date: Mon, 25 Nov 2024 04:50:21 +0100 Message-ID: X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 For clients that already know the QRTR endpoint ID before actually creating the QMI socket and set it in struct qmi_handle, optionally try to bind to this QRTR endpoint ID when creating the socket. This can fail, and qmi_sock_create will issue diagnostic messages, but otherwise ignore the error. Signed-off-by: Mihai Moldovan --- drivers/soc/qcom/qmi_interface.c | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/drivers/soc/qcom/qmi_interface.c b/drivers/soc/qcom/qmi_interface.c index bb98b06e87f8..dd3978682c09 100644 --- a/drivers/soc/qcom/qmi_interface.c +++ b/drivers/soc/qcom/qmi_interface.c @@ -586,6 +586,7 @@ static struct socket *qmi_sock_create(struct qmi_handle *qmi, struct sockaddr_qrtr *sq) { struct socket *sock; + const struct proto_ops *ops = NULL; int ret; ret = sock_create_kern(&init_net, AF_QIPCRTR, SOCK_DGRAM, @@ -593,6 +594,33 @@ static struct socket *qmi_sock_create(struct qmi_handle *qmi, if (ret < 0) return ERR_PTR(ret); + ops = READ_ONCE(sock->ops); + + if (!ops) { + pr_warn("sock->ops not available for QMI socket\n"); + pr_warn("will not be able to bind to endpoint ID.\n"); + /* N.B.: this error value will not be passed out. */ + ret = -ENXIO; + } + + if (!ret && !ops->setsockopt) { + pr_warn("ops->setsockopt not available for QMI socket\n"); + pr_warn("will not be able to bind to endpoint ID.\n"); + /* N.B.: this error value will not be passed out. */ + ret = -ENXIO; + } + + /* Only bind to a specific endpoint if a valid one was provided. */ + if (!ret && qmi->endpoint_id) { + ret = ops->setsockopt(sock, SOL_QRTR, QRTR_BIND_ENDPOINT, + KERNEL_SOCKPTR(&qmi->endpoint_id), + sizeof(qmi->endpoint_id)); + + if (ret < 0) + pr_warn("binding to QRTR endpoint ID failed: %d\n", + ret); + } + ret = kernel_getsockname(sock, (struct sockaddr *)sq); if (ret < 0) { sock_release(sock);