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 40FD6C33CB1 for ; Wed, 15 Jan 2020 06:36:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 187872187F for ; Wed, 15 Jan 2020 06:36:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="KNCWSf2j" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729061AbgAOGgj (ORCPT ); Wed, 15 Jan 2020 01:36:39 -0500 Received: from mail-pg1-f193.google.com ([209.85.215.193]:40391 "EHLO mail-pg1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725999AbgAOGgj (ORCPT ); Wed, 15 Jan 2020 01:36:39 -0500 Received: by mail-pg1-f193.google.com with SMTP id k25so7722412pgt.7 for ; Tue, 14 Jan 2020 22:36:39 -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=3PfmQT411tQtswRiQsQBGfNIHO29hvNOYy4i+YrdxFs=; b=KNCWSf2jRJHDdwuFYXOmbHbcYY0snCfKPNf6sNp6VPoR+/dx6bl209COw3Gsyhg3ND eFgaEmBde1vUzaJRh+kR7h40cV0iJ/cutJ6KTFISEZ5hv/eUHwcf1ePz0hFfU7xcGEZ9 x67/JlCa6BmpqxaCTbkJBM0q+crQyu24qQ8V/Ax4159hTonqwwK2O83RZYpBUHD6pwIl cug1bV+/a0HtEU4xMEaDlslch9USD+FSJncdgLo/O9UzX7UAvCOjow/5X7GPxHUFaVp9 p6H7lnnSnE/rMYvkfroBDOtjy5rIdcLuyMn+EfMqg5uAyfpFK3hN7CwMjJ3jlK/eCFpH isdg== 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=3PfmQT411tQtswRiQsQBGfNIHO29hvNOYy4i+YrdxFs=; b=JwouqFFwuQS9OFbnRoYa5YIni1Ieh4vSJnf266x6obx2yIRRaN+u4IEAWfM3t52qpM XSbRArfNWlb83qVjaxG9tHLgCHh2R/WMn7a5zio+XQhHysqiXCuicrljbXclBs+tdlFi 7GK3OP2JhSJBHYzREwpuQMTNcEdhRcGlO3LRtxqXcI63zqYw7g2OSWE4mNYU5qUoOjCn +lF+YLhUZIW1C02cfoTE/6AeKK7cG0bOzqr6IDHKXWdv8jkSPqA3MvKBl1SJ/sGS37mE jVIt/bkBpXLPVThE77qZ4dVHOwza7FKnBhICGnr+vZU1ddVhj0RqTDjhWInzavHvY6pP /GfQ== X-Gm-Message-State: APjAAAX7oIOsZqEHX4n/ItkGKvHMvp6DiOd71P691EFW1Ipm4LkhHlha 2BULDSBWz57TadISptH7N+3SgaQX5tU= X-Google-Smtp-Source: APXvYqwQbZ3vfRWA0YiArGhdwJOtls8D2ZDyOVxotbrow6keZTghfLcgHM0HHGFxtdYUipTNk75FzA== X-Received: by 2002:aa7:880c:: with SMTP id c12mr30098157pfo.255.1579070198340; Tue, 14 Jan 2020 22:36:38 -0800 (PST) Received: from vudentzs-t460s.amr.corp.intel.com ([2601:1c0:6800:1640::3287]) by smtp.gmail.com with ESMTPSA id z19sm19725594pfn.49.2020.01.14.22.36.37 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Jan 2020 22:36:37 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH v4 03/11] Bluetooth: L2CAP: Add definitions for Enhanced Credit Based Mode Date: Tue, 14 Jan 2020 22:36:25 -0800 Message-Id: <20200115063633.32441-4-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200115063633.32441-1-luiz.dentz@gmail.com> References: <20200115063633.32441-1-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 | 41 +++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index 093aedebdf0c..d85fb2c8e6eb 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_EXT_FLOWCTL_CONN_REQ 0x17 +#define L2CAP_EXT_FLOWCTL_CONN_RSP 0x18 +#define L2CAP_EXT_FLOWCTL_RECONF_REQ 0x19 +#define L2CAP_EXT_FLOWCTL_RECONF_RSP 0x1a + /* L2CAP extended feature mask */ #define L2CAP_FEAT_FLOWCTL 0x00000001 @@ -360,6 +365,8 @@ struct l2cap_conf_rfc { */ #define L2CAP_MODE_LE_FLOWCTL 0x80 +#define L2CAP_MODE_EXT_FLOWCTL 0x81 + struct l2cap_conf_efs { __u8 id; __u8 stype; @@ -483,6 +490,39 @@ struct l2cap_le_credits { __le16 credits; } __packed; +#define L2CAP_EXT_FLOWCTL_MIN_MTU 64 +#define L2CAP_EXT_FLOWCTL_MIN_MPS 64 + +struct l2cap_ext_flowctl_conn_req { + __le16 psm; + __le16 mtu; + __le16 mps; + __le16 credits; + __le16 scid[0]; +} __packed; + +struct l2cap_ext_flowctl_conn_rsp { + __le16 mtu; + __le16 mps; + __le16 credits; + __le16 result; + __le16 dcid[0]; +}; + +struct l2cap_ext_flowctl_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_ext_flowctl_reconf_rsp { + __le16 result; +} __packed; + /* ----- L2CAP channels and connections ----- */ struct l2cap_seq_list { __u16 head; @@ -724,6 +764,7 @@ enum { FLAG_EFS_ENABLE, FLAG_DEFER_SETUP, FLAG_LE_CONN_REQ_SENT, + FLAG_EXT_FLOWCTL_CONN_REQ_SENT, FLAG_PENDING_SECURITY, FLAG_HOLD_HCI_CONN, }; -- 2.21.0