From patchwork Tue Jan 7 07:40:47 2020 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: 197533 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=-6.8 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, UNWANTED_LANGUAGE_BODY, 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 1B03FC33C9B for ; Tue, 7 Jan 2020 07:41:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D8145206DB for ; Tue, 7 Jan 2020 07:41:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WWuJzCcY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727514AbgAGHlA (ORCPT ); Tue, 7 Jan 2020 02:41:00 -0500 Received: from mail-pg1-f195.google.com ([209.85.215.195]:40244 "EHLO mail-pg1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726129AbgAGHlA (ORCPT ); Tue, 7 Jan 2020 02:41:00 -0500 Received: by mail-pg1-f195.google.com with SMTP id k25so28086128pgt.7 for ; Mon, 06 Jan 2020 23:40:59 -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=vDRM472RxmGtMe+LxMEdcdQNrTeETSbmj9mY914l+Ks=; b=WWuJzCcYjLYxdGABhSSp7j+jtnP0rofVD8JuvQHwTgpCbNAH/E8pSaooEesaNrBaD4 J4TyPiGX3x5Cz7tKJakKbpkQ2oUip4xpL4u9HnjKkb1UtPsA0GaGvQeT9Y/u+dOgFXyq LUOUt8TIPdMMvvZQE2QisXrd6ulhC98Ba1D3yMfMx5TchrAisia9QC4tx7/yzp5W/qNC LGTtlwe/jjRXyt0Gl1ShFdje1IChXdqec3KhqSU8doyqN3cEY48B9p33w/k7PZiO1UMI 9xFNmuGi4h7SjNLriTCmD7HXOzCcQt76CwSjiwjpw52R7ds2SyaroYYSawNgqmblJOa1 hrHA== 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=vDRM472RxmGtMe+LxMEdcdQNrTeETSbmj9mY914l+Ks=; b=mycM/1xtKjkdim5Ou3PRao64wfH0bHWe2rGBKpmA49XQlWOLDa+oiJAoNKovttzVsQ gZlSGzJOnI5yNaz1zneiLFmDjIVphe3NwIdc1qA/ayUMFU0DfB8J4e0+MbhdM8P1kZYU /qw4aTkSArH1O+Tdh55t0EiliQKuqh4NGtrX1kd0m5OX/DDGtWhgYIVsu6Ftz11oPbzz oAGpjGQ4Zp9v+cQXpHY6n5HBK+2VhZswmcm1bnwYGhfgSjKNcfZaxbcTAzrzw7G3qae0 99vvSGKWspCR6Wdadk92KlTwkBc+wUndDdPXTmMaLPpKqQS4Mw3C6aCo6M25jfRRYDlQ rkbw== X-Gm-Message-State: APjAAAXXrJEWfuKF//p88PnAj27g+mWtZrmH5zoJspfLM+JlpUC8+Taz /bAki2q9SY455fiZPpHtQgIj/6PLnug= X-Google-Smtp-Source: APXvYqzNQ+WmrxnUcwD8CQbr+id3TcXrKSDOEQHdXXvnNWeOhYpebcqw0hv8zERddx2xiQSP3ypF9A== X-Received: by 2002:aa7:93c1:: with SMTP id y1mr107942850pff.200.1578382858822; Mon, 06 Jan 2020 23:40:58 -0800 (PST) Received: from vudentzs-t460s.hsd1.or.comcast.net ([2601:1c0:6800:1640::3287]) by smtp.gmail.com with ESMTPSA id k21sm67725388pfa.63.2020.01.06.23.40.57 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 06 Jan 2020 23:40:58 -0800 (PST) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH 01/10] Bluetooth: Add definitions for CIS connections Date: Mon, 6 Jan 2020 23:40:47 -0800 Message-Id: <20200107074056.25453-2-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20200107074056.25453-1-luiz.dentz@gmail.com> References: <20200107074056.25453-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Sender: linux-bluetooth-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz These adds the HCI definitions for handling CIS connections along with ISO data packets. Signed-off-by: Luiz Augusto von Dentz --- include/net/bluetooth/hci.h | 157 ++++++++++++++++++++++++++++++++++++ 1 file changed, 157 insertions(+) diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 07b6ecedc6ce..ba603f35c054 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -27,6 +27,7 @@ #define HCI_MAX_ACL_SIZE 1024 #define HCI_MAX_SCO_SIZE 255 +#define HCI_MAX_ISO_SIZE 251 #define HCI_MAX_EVENT_SIZE 260 #define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4) @@ -303,6 +304,7 @@ enum { #define HCI_ACLDATA_PKT 0x02 #define HCI_SCODATA_PKT 0x03 #define HCI_EVENT_PKT 0x04 +#define HCI_ISODATA_PKT 0x05 #define HCI_DIAG_PKT 0xf0 #define HCI_VENDOR_PKT 0xff @@ -352,6 +354,15 @@ enum { #define ACL_ACTIVE_BCAST 0x04 #define ACL_PICO_BCAST 0x08 +/* ISO PB flags */ +#define ISO_START 0x00 +#define ISO_CONT 0x01 +#define ISO_SINGLE 0x02 +#define ISO_END 0x03 + +/* ISO TS flags */ +#define ISO_TS 0x01 + /* Baseband links */ #define SCO_LINK 0x00 #define ACL_LINK 0x01 @@ -359,6 +370,7 @@ enum { /* Low Energy links do not have defined link type. Use invented one */ #define LE_LINK 0x80 #define AMP_LINK 0x81 +#define ISO_LINK 0x82 #define INVALID_LINK 0xff /* LMP features */ @@ -440,6 +452,8 @@ enum { #define HCI_LE_PHY_2M 0x01 #define HCI_LE_PHY_CODED 0x08 #define HCI_LE_CHAN_SEL_ALG2 0x40 +#define HCI_LE_CIS_MASTER 0x10 +#define HCI_LE_CIS_SLAVE 0x20 /* Connection modes */ #define HCI_CM_ACTIVE 0x0000 @@ -1718,6 +1732,86 @@ struct hci_cp_le_set_adv_set_rand_addr { bdaddr_t bdaddr; } __packed; +#define HCI_OP_LE_READ_BUFFER_SIZE_V2 0x2060 +struct hci_rp_le_read_buffer_size_v2 { + __u8 status; + __u16 acl_mtu; + __u8 acl_max_pkt; + __u16 iso_mtu; + __u8 iso_max_pkt; +} __attribute__ ((packed)); + +#define HCI_OP_LE_READ_ISO_TX_SYNC 0x2061 +struct hci_cp_le_read_iso_tx_sync { + __u16 handle; +} __attribute__ ((packed)); + +struct hci_rp_le_read_iso_tx_sync { + __u8 status; + __u16 handle; + __u16 seq; + __u32 timestamp; + __u8 offset[3]; +} __attribute__ ((packed)); + +#define HCI_OP_LE_SET_CIG_PARAMS 0x2062 +struct hci_cis_params { + __u8 cis_id; + __u16 m_sdu; + __u16 s_sdu; + __u8 m_phy; + __u8 s_phy; + __u8 m_rtn; + __u8 s_rtn; +} __packed; + +struct hci_cp_le_set_cig_params { + __u8 cig_id; + __u8 m_interval[3]; + __u8 s_interval[3]; + __u8 sca; + __u8 packing; + __u8 framing; + __u16 m_latency; + __u16 s_latency; + __u8 num_cis; + struct hci_cis_params cis[0]; +} __packed; + +struct hci_rp_le_set_cig_params { + __u8 status; + __u8 cig_id; + __u8 num_handles; + __u16 handle[0]; +} __packed; + +#define HCI_OP_LE_CREATE_CIS 0x2064 +struct hci_cis { + __u16 cis_handle; + __u16 acl_handle; +} __packed; + +struct hci_cp_le_create_cis { + __u8 num_cis; + struct hci_cis cis[0]; +} __packed; + +#define HCI_OP_LE_REMOVE_CIG 0x2065 +struct hci_cp_le_remove_cig { + __u8 cig_id; +} __packed; + +#define HCI_OP_LE_ACCEPT_CIS 0x2066 +struct hci_cp_le_accept_cis { + __u16 handle; +} __packed; + +#define HCI_OP_LE_REJECT_CIS 0x2067 +struct hci_cp_le_reject_cis { + __u16 handle; + __u8 reason; +} __packed; + /* ---- HCI Events ---- */ #define HCI_EV_INQUIRY_COMPLETE 0x01 @@ -2234,6 +2328,34 @@ struct hci_evt_le_ext_adv_set_term { __u8 num_evts; } __packed; +#define HCI_EVT_LE_CIS_ESTABLISHED 0x19 +struct hci_evt_le_cis_established { + __u8 status; + __u16 handle; + __u8 cig_sync_delay[3]; + __u8 cis_sync_delay[3]; + __u8 m_latency[3]; + __u8 s_latency[3]; + __u8 m_phy; + __u8 s_phy; + __u8 nse; + __u8 m_bn; + __u8 s_bn; + __u8 m_ft; + __u8 s_ft; + __u16 m_mtu; + __u16 s_mtu; + __u16 interval; +} __packed; + +#define HCI_EVT_LE_CIS_REQ 0x1a +struct hci_evt_le_cis_req { + __u16 acl_handle; + __u16 cis_handle; + __u8 cig_id; + __u8 cis_id; +} __packed; + #define HCI_EV_VENDOR 0xff /* Internal events generated by Bluetooth stack */ @@ -2262,6 +2384,7 @@ struct hci_ev_si_security { #define HCI_EVENT_HDR_SIZE 2 #define HCI_ACL_HDR_SIZE 4 #define HCI_SCO_HDR_SIZE 3 +#define HCI_ISO_HDR_SIZE 4 struct hci_command_hdr { __le16 opcode; /* OCF & OGF */ @@ -2283,6 +2406,30 @@ struct hci_sco_hdr { __u8 dlen; } __packed; +struct hci_iso_hdr { + __le16 handle; + __le16 dlen; + __u8 data[0]; +} __packed; + +/* ISO data packet status flags */ +#define HCI_ISO_STATUS_VALID 0x00 +#define HCI_ISO_STATUS_INVALID 0x01 +#define HCI_ISO_STATUS_NOP 0x02 + +#define HCI_ISO_DATA_HDR_SIZE 4 +struct hci_iso_data_hdr { + __le16 sn; + __le16 slen; +}; + +#define HCI_ISO_TS_DATA_HDR_SIZE 8 +struct hci_iso_ts_data_hdr { + __le32 ts; + __le16 sn; + __le16 slen; +}; + static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb) { return (struct hci_event_hdr *) skb->data; @@ -2308,4 +2455,14 @@ static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb) #define hci_handle(h) (h & 0x0fff) #define hci_flags(h) (h >> 12) +/* ISO handle and flags pack/unpack */ +#define hci_iso_flags_pb(f) (f & 0x0003) +#define hci_iso_flags_ts(f) ((f >> 2) & 0x0001) +#define hci_iso_flags_pack(pb, ts) ((pb & 0x03) | ((ts & 0x01) << 2)) + +/* ISO data length and flags pack/unpack */ +#define hci_iso_data_len_pack(h, f) ((__u16) ((h) | ((f) << 14))) +#define hci_iso_data_len(h) ((h) & 0x3fff) +#define hci_iso_data_flags(h) ((h) >> 14) + #endif /* __HCI_H */