From patchwork Thu Oct 22 09:11:34 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Dolca X-Patchwork-Id: 7464031 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EDDF29F1C3 for ; Thu, 22 Oct 2015 09:38:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D992B20992 for ; Thu, 22 Oct 2015 09:38:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E5F6320964 for ; Thu, 22 Oct 2015 09:38:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965052AbbJVJhA (ORCPT ); Thu, 22 Oct 2015 05:37:00 -0400 Received: from mga02.intel.com ([134.134.136.20]:8976 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932582AbbJVJMQ (ORCPT ); Thu, 22 Oct 2015 05:12:16 -0400 Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga101.jf.intel.com with ESMTP; 22 Oct 2015 02:12:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,181,1444719600"; d="scan'208";a="832851822" Received: from rdolca-desk.ger.corp.intel.com (HELO rdolca-desk.rb.intel.com) ([10.237.104.147]) by fmsmga002.fm.intel.com with ESMTP; 22 Oct 2015 02:12:12 -0700 From: Robert Dolca To: linux-nfc@lists.01.org, Lauro Ramos Venancio , Aloisio Almeida Jr , Samuel Ortiz , Robert Dolca Cc: linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Christophe Ricard , Robert Dolca Subject: [PATCH v4 02/10] nfc: nci: Add function to get max packet size for conn Date: Thu, 22 Oct 2015 12:11:34 +0300 Message-Id: <1445505102-16639-3-git-send-email-robert.dolca@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1445505102-16639-1-git-send-email-robert.dolca@intel.com> References: <1445505102-16639-1-git-send-email-robert.dolca@intel.com> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP FDP driver needs to send the firmware as regular packets (not fragmented). The driver should have a way to get the max packet size for a given connection. Signed-off-by: Robert Dolca --- include/net/nfc/nci_core.h | 1 + net/nfc/nci/data.c | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index d0d0f1e..aaada20 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -351,6 +351,7 @@ int nci_prop_ntf_packet(struct nci_dev *ndev, __u16 opcode, void nci_rx_data_packet(struct nci_dev *ndev, struct sk_buff *skb); int nci_send_cmd(struct nci_dev *ndev, __u16 opcode, __u8 plen, void *payload); int nci_send_data(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb); +int nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id); void nci_data_exchange_complete(struct nci_dev *ndev, struct sk_buff *skb, __u8 conn_id, int err); void nci_hci_data_received_cb(void *context, struct sk_buff *skb, int err); diff --git a/net/nfc/nci/data.c b/net/nfc/nci/data.c index 83acd18..dbd2425 100644 --- a/net/nfc/nci/data.c +++ b/net/nfc/nci/data.c @@ -90,6 +90,18 @@ static inline void nci_push_data_hdr(struct nci_dev *ndev, nci_pbf_set((__u8 *)hdr, pbf); } +int nci_conn_max_data_pkt_payload_size(struct nci_dev *ndev, __u8 conn_id) +{ + struct nci_conn_info *conn_info; + + conn_info = nci_get_conn_info_by_conn_id(ndev, conn_id); + if (!conn_info) + return -EPROTO; + + return conn_info->max_pkt_payload_len; +} +EXPORT_SYMBOL(nci_conn_max_data_pkt_payload_size); + static int nci_queue_tx_data_frags(struct nci_dev *ndev, __u8 conn_id, struct sk_buff *skb) {