From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, 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 E7D3EC33CA2 for ; Sat, 11 Jan 2020 02:22:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BD1682072E for ; Sat, 11 Jan 2020 02:22:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="QYJ51l2n" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728029AbgAKCWX (ORCPT ); Fri, 10 Jan 2020 21:22:23 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:42094 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727944AbgAKCWX (ORCPT ); Fri, 10 Jan 2020 21:22:23 -0500 Received: by mail-pg1-f196.google.com with SMTP id s64so1847927pgb.9 for ; Fri, 10 Jan 2020 18:22:22 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=Kothjr31QuHUwbkEnDdy6Q1G0iwsXYSo06OtgPFx2ns=; b=QYJ51l2n6X3Q7wfqEvpQDj4dYZLepyGDv0bJQkkRHwDSc0EaRxTd3tbLjioQtsOYMz 6QGq7LmMI5wSlglZUOfwNfTn/K7mYDRDg/t31gQQA5P7+XQgBMvRjS4QPG6A/DHJRL5R fQOPh0yAsAOZogHVPoGzICmyv2es56R+FJdY31uZ1u+ZGAp/9+kQ5ocm5yYValUee8IJ iWOfo7ILCbn4D4jHWMm070XlxnPH0pYbllwlBjKYQ10lFJLKn331PWdlSYhqxoSsIgSR FhtzhU0HhYfpia+xZzeWlevrMAHwddA5BNVu9TRpi/5gfq9mCyWPuUSo6Se/9Hs5fSdW haeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Kothjr31QuHUwbkEnDdy6Q1G0iwsXYSo06OtgPFx2ns=; b=TaAVsjLoTu+p755tp5bd8uZIRdbCvLbK1x1z7XaE1bXm76I+i1Y3njupwON4MDX+9j BosMQx3ZiOZ8QmfxkZMAUZYia8Z2kZwGdP5wg0ytV6M0wyPVQy8J7yZe6jXq6bTN2XEh lpvUftuSY5HlvR5w8dDHdZDaXvJFb49TNq8YJbDvpDcQtoMi6NO41c/NRvLFDtPJX00p uwVd3bXVR9N8wcNqf/ItYRJ1qc38++0YImOYK0Yb1K6grWV+qtlKySNukcEOf6mZqKo9 mJHDWes0Xd+zCNQguu6+vcEeQgeIUJ92lB+xF2Pkd6V8H+eytPKgx2TcFtSpoA3dAwa6 DeKQ== X-Gm-Message-State: APjAAAXKMXyrJY0RISSh/eaUNdyIElHhJF3lO0mYRaeiRYzsQe6htsNe Ne7VUyg3VSiXeX1OVcnlfkuYGGZuuMI= X-Google-Smtp-Source: APXvYqwIm9pWR/rqa7OsqMSr0vCVq6WH5esMY1Y1LpRJ1cetxd37cI2ARj+nMqsYOTZD+9NxxO7elw== X-Received: by 2002:a63:78cf:: with SMTP id t198mr7992484pgc.287.1578709342187; Fri, 10 Jan 2020 18:22:22 -0800 (PST) Received: from vudentzs-t460s.amr.corp.intel.com ([2601:1c0:6800:1640::3287]) by smtp.gmail.com with ESMTPSA id g22sm4158906pgk.85.2020.01.10.18.22.21 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jan 2020 18:22:21 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v2 03/10] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode Date: Fri, 10 Jan 2020 18:22:09 -0800 Message-Id: <20200111022216.30842-4-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200111022216.30842-1-luiz.dentz@gmail.com> References: <20200111022216.30842-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This introduces the definitions for the new L2CAP mode called Enhanced Credit Based Mode. Signed-off-by: Luiz Augusto von Dentz --- include/net/bluetooth/l2cap.h | 43 +++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 093aedebdf0c..2a38e1f93c45 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -119,6 +119,11 @@ struct l2cap_conninfo { #define L2CAP_LE_CONN_REQ 0x14 #define L2CAP_LE_CONN_RSP 0x15 #define L2CAP_LE_CREDITS 0x16 +#define L2CAP_ECRED_CONN_REQ 0x17 +#define L2CAP_ECRED_CONN_RSP 0x18 +#define L2CAP_ECRED_RECONF_REQ 0x19 +#define L2CAP_ECRED_RECONF_RSP 0x1a + /* L2CAP extended feature mask */ #define L2CAP_FEAT_FLOWCTL 0x00000001 @@ -360,6 +365,9 @@ struct l2cap_conf_rfc { */ #define L2CAP_MODE_LE_FLOWCTL 0x80 +/* This is essentially L2CAP_MODE_LE_FLOWCTL but works with BR/EDR */ +#define L2CAP_MODE_ECRED 0x81 + struct l2cap_conf_efs { __u8 id; __u8 stype; @@ -483,6 +491,39 @@ struct l2cap_le_credits { __le16 credits; } __packed; +#define L2CAP_ECRED_MIN_MTU 64 +#define L2CAP_ECRED_MIN_MPS 64 + +struct l2cap_ecred_conn_req { + __le16 psm; + __le16 mtu; + __le16 mps; + __le16 credits; + __le16 scid[0]; +} __packed; + +struct l2cap_ecred_conn_rsp { + __le16 mtu; + __le16 mps; + __le16 credits; + __le16 result; + __le16 dcid[0]; +}; + +struct l2cap_ecred_reconf_req { + __le16 mtu; + __le16 mps; + __le16 scid[0]; +} __packed; + +#define L2CAP_RECONF_SUCCESS 0x0000 +#define L2CAP_RECONF_INVALID_MTU 0x0001 +#define L2CAP_RECONF_INVALID_MPS 0x0002 + +struct l2cap_ecred_reconf_rsp { + __le16 result; +} __packed; + /* ----- L2CAP channels and connections ----- */ struct l2cap_seq_list { __u16 head; @@ -724,6 +765,7 @@ enum { FLAG_EFS_ENABLE, FLAG_DEFER_SETUP, FLAG_LE_CONN_REQ_SENT, + FLAG_ECRED_CONN_REQ_SENT, FLAG_PENDING_SECURITY, FLAG_HOLD_HCI_CONN, }; @@ -923,6 +965,7 @@ void l2cap_cleanup_sockets(void); bool l2cap_is_socket(struct socket *sock); void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan); +void __l2cap_ecred_conn_rsp_defer(struct l2cap_chan *chan); void __l2cap_connect_rsp_defer(struct l2cap_chan *chan); int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm); -- 2.21.0