From patchwork Thu May 26 00:39:25 2022 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: 577005 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0EBA5C433EF for ; Thu, 26 May 2022 00:39:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238483AbiEZAjg (ORCPT ); Wed, 25 May 2022 20:39:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59022 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232937AbiEZAje (ORCPT ); Wed, 25 May 2022 20:39:34 -0400 Received: from mail-pj1-x102a.google.com (mail-pj1-x102a.google.com [IPv6:2607:f8b0:4864:20::102a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 848D5AE264 for ; Wed, 25 May 2022 17:39:31 -0700 (PDT) Received: by mail-pj1-x102a.google.com with SMTP id w2-20020a17090ac98200b001e0519fe5a8so391641pjt.4 for ; Wed, 25 May 2022 17:39:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=0BslgsBKGZNxVg2pXEhy2GHC93u0ntQzBrl2q1A/4j4=; b=adr5q/VunQHolufh0Y5INdqvnhKu1e28sl/NLEuQLHy1Qpy83k3mG+UHYhc2mtHgP9 aVRPy2mkyEq6xPLR/42oYK5M6fECFInH3UmxH0zBZC6BpCsBMfZYcZTFy/9HMOpmd4PL a0pKmAC0aLGEtz26Xublza0vrO4/QsYZP9LwEUAiH6rzNPiJkGYpQvGLMeCmXjEzpt73 RuSogBblNyZlLPsrqIxkweYjT9Gg5O4vbq+UlIqAgNp4t+jD8Yvd2DH1dTivaqOyjrWJ NAGs9jY2t8zVNtPNXQcUvEC15iA3zQhIbp2ant4S6rfWvPmXuyOIzadGMbcGLJJBbgpZ l3uw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding; bh=0BslgsBKGZNxVg2pXEhy2GHC93u0ntQzBrl2q1A/4j4=; b=makFVIPOMfnVLSX2pbwmWjRSL0n2j2Wd/d/GvT60YiTHOcTpKjAQ9gDNlZmBm4yMXP L65CHzjxL0zZFjZxV2yArvbUhCGsQUVNu9s4deIBayohdss7rGOqX/lGn2L+Q61xbbXQ YKT76b7znXaKdUaByjtGkk9hc2mfGtRXoLowipwjzHQ8jNkWRPx8v5CDAtAPyLLoFQV9 Q3xH4nbdsESwSmbYcyEK6B6e9mMb+omt7utQDoY1DFuY/RI0EeJeL7wQXO3dmBnVDj6P ByhAW4i06/vaCw7ZpTIhFytDC0UxMZYWRYbsFHarJulr0cS+YPTAk9gHEEZ5KzKKO1nI tmOQ== X-Gm-Message-State: AOAM531eAO7KTGqPzKgge3pV15tRlJamLmYF5AKA8cXz+3HT30KbKt2e 480BvIFqzJut3B0/mNPgYTYmrYY8tAY= X-Google-Smtp-Source: ABdhPJzElrUBDD2fTw/KyynTfb/i1zndJpZxYiLQ/Sr/H0xrS3167znkmezX+lY8/eBI6WB7ksGobg== X-Received: by 2002:a17:90b:1c92:b0:1dd:10ff:8f13 with SMTP id oo18-20020a17090b1c9200b001dd10ff8f13mr13224206pjb.54.1653525570382; Wed, 25 May 2022 17:39:30 -0700 (PDT) Received: from lvondent-mobl4.. 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[71.56.157.77]) by smtp.gmail.com with ESMTPSA id f12-20020a170902860c00b00162529828aesm13339plo.109.2022.05.25.17.39.28 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 May 2022 17:39:28 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 1/3] monitor/att: Add decoding support for PAC Sink/Source Date: Wed, 25 May 2022 17:39:25 -0700 Message-Id: <20220526003927.3972965-1-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This adds decoding support for PAC Sink/Source attributes: < ACL Data TX: Handle 42 flags 0x00 dlen 9 Channel: 64 len 5 sdu 3 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Read Request (0x0a) len 2 Handle: 0x0017 Type: Sink PAC (0x2bc9) > ACL Data RX: Handle 42 flags 0x02 dlen 31 Channel: 65 len 27 sdu 25 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} Value: 010600000000100301ff0002020302030305041e00f00000 Number of PAC(s): 1 PAC #0: Codec: LC3 (0x06) Codec Specific Configuration #0: len 0x03 type 0x01 Codec Specific Configuration: ff00 Codec Specific Configuration #1: len 0x02 type 0x02 Codec Specific Configuration: 03 Codec Specific Configuration #2: len 0x02 type 0x03 Codec Specific Configuration: 03 Codec Specific Configuration #3: len 0x05 type 0x04 Codec Specific Configuration: 1e00f000 --- monitor/att.c | 94 +++++++++++++++++++++++++++++++++++++++++++++++- monitor/l2cap.h | 10 +++++- monitor/packet.c | 10 ++++++ monitor/packet.h | 2 ++ 4 files changed, 114 insertions(+), 2 deletions(-) diff --git a/monitor/att.c b/monitor/att.c index df3e65057..2b1e21d05 100644 --- a/monitor/att.c +++ b/monitor/att.c @@ -255,6 +255,96 @@ static void gatt_ccc_write(const struct l2cap_frame *frame) print_ccc_value(value); } +static void print_pac(const struct l2cap_frame *frame) +{ + uint8_t num = 0, i; + + if (!l2cap_frame_get_u8((void *)frame, &num)) { + print_text(COLOR_ERROR, "Number of PAC(s): invalid size"); + goto done; + } + + print_field(" Number of PAC(s): %u", num); + + for (i = 0; i < num; i++) { + uint8_t codec_id; + uint16_t codec_cid, codec_vid; + struct bt_hci_lv_data *cc; + struct bt_hci_lv_data *meta; + + print_field(" PAC #%u:", i); + + if (!l2cap_frame_get_u8((void *)frame, &codec_id)) { + print_text(COLOR_ERROR, "Codec: invalid size"); + goto done; + } + + packet_print_codec_id(" Codec", codec_id); + + if (!l2cap_frame_get_le16((void *)frame, &codec_cid)) { + print_text(COLOR_ERROR, + "Codec Company ID: invalid size"); + goto done; + } + + if (!l2cap_frame_get_le16((void *)frame, &codec_vid)) { + print_text(COLOR_ERROR, + "Codec Vendor ID: invalid size"); + goto done; + } + + if (codec_id == 0xff) { + print_field(" Codec Company ID: %s (0x%04x)", + bt_compidtostr(codec_cid), + codec_cid); + print_field(" Codec Vendor ID: 0x%04x", codec_vid); + } + + cc = l2cap_frame_pull((void *)frame, frame, sizeof(*cc)); + if (!cc) { + print_text(COLOR_ERROR, + "Codec Specific Configuration: invalid size"); + goto done; + } + + if (!l2cap_frame_pull((void *)frame, frame, cc->len)) { + print_text(COLOR_ERROR, + "Codec Specific Configuration: invalid size"); + goto done; + } + + packet_print_ltv(" Codec Specific Configuration", cc->data, + cc->len); + + meta = l2cap_frame_pull((void *)frame, frame, sizeof(*meta)); + if (!meta) { + print_text(COLOR_ERROR, "Metadata: invalid size"); + goto done; + } + + if (!l2cap_frame_pull((void *)frame, frame, meta->len)) { + print_text(COLOR_ERROR, "Metadata: invalid size"); + goto done; + } + + packet_print_ltv(" Metadata", meta->data, meta->len); + } + +done: + if (frame->size) + print_hex_field(" Data", frame->data, frame->size); +} + +static void pac_read(const struct l2cap_frame *frame) +{ + print_pac(frame); +} + +static void pac_notify(const struct l2cap_frame *frame) +{ + print_pac(frame); +} + #define GATT_HANDLER(_uuid, _read, _write, _notify) \ { \ .uuid = { \ @@ -273,7 +363,9 @@ struct gatt_handler { void (*notify)(const struct l2cap_frame *frame); } gatt_handlers[] = { GATT_HANDLER(GATT_CLIENT_CHARAC_CFG_UUID, gatt_ccc_read, - gatt_ccc_write, NULL) + gatt_ccc_write, NULL), + GATT_HANDLER(PAC_SINK_CHRC_UUID, pac_read, NULL, pac_notify), + GATT_HANDLER(PAC_SOURCE_CHRC_UUID, pac_read, NULL, pac_notify), }; static struct gatt_handler *get_handler(struct gatt_db_attribute *attr) diff --git a/monitor/l2cap.h b/monitor/l2cap.h index 1daeb69be..c33d4c57f 100644 --- a/monitor/l2cap.h +++ b/monitor/l2cap.h @@ -48,13 +48,21 @@ static inline void l2cap_frame_clone(struct l2cap_frame *frame, } } -static inline void l2cap_frame_pull(struct l2cap_frame *frame, +static inline void *l2cap_frame_pull(struct l2cap_frame *frame, const struct l2cap_frame *source, uint16_t len) { + void *data; + l2cap_frame_clone(frame, source); + if (source->size < len) + return NULL; + + data = (void *)frame->data; frame->data = source->data + len; frame->size = source->size - len; + + return data; } static inline bool l2cap_frame_get_u8(struct l2cap_frame *frame, uint8_t *value) diff --git a/monitor/packet.c b/monitor/packet.c index e854c1a8e..c7739fba5 100644 --- a/monitor/packet.c +++ b/monitor/packet.c @@ -1377,6 +1377,11 @@ static void print_codec_id(const char *label, uint8_t codec) print_field("%s: %s (0x%2.2x)", label, str, codec); } +void packet_print_codec_id(const char *label, uint8_t codec) +{ + print_codec_id(label, codec); +} + static const struct bitfield_data codec_transport_table[] = { { 0, "Codec supported over BR/EDR ACL" }, { 1, "Codec supported over BR/EDR SCO and eSCO"}, @@ -3368,6 +3373,11 @@ static void print_ltv(const char *label, const uint8_t *data, uint8_t len) print_hex_field(label, iov.iov_base, iov.iov_len); } +void packet_print_ltv(const char *label, const uint8_t *data, uint8_t len) +{ + print_ltv(label, data, len); +} + static void print_base_annoucement(const uint8_t *data, uint8_t data_len) { struct iovec iov; diff --git a/monitor/packet.h b/monitor/packet.h index a00975eb3..97d683e3a 100644 --- a/monitor/packet.h +++ b/monitor/packet.h @@ -61,6 +61,8 @@ void packet_print_channel_map_lmp(const uint8_t *map); void packet_print_channel_map_ll(const uint8_t *map); void packet_print_io_capability(uint8_t capability); void packet_print_io_authentication(uint8_t authentication); +void packet_print_codec_id(const char *label, uint8_t codec); +void packet_print_ltv(const char *label, const uint8_t *data, uint8_t len); void packet_control(struct timeval *tv, struct ucred *cred, uint16_t index, uint16_t opcode, From patchwork Thu May 26 00:39:26 2022 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: 576280 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46AA2C433F5 for ; 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[71.56.157.77]) by smtp.gmail.com with ESMTPSA id f12-20020a170902860c00b00162529828aesm13339plo.109.2022.05.25.17.39.30 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 May 2022 17:39:31 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 2/3] monitor/att: Add decoding support for ASE Sink/Source Date: Wed, 25 May 2022 17:39:26 -0700 Message-Id: <20220526003927.3972965-2-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220526003927.3972965-1-luiz.dentz@gmail.com> References: <20220526003927.3972965-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This adds decoding support for ASE Sink/Source attributes: > ACL Data RX: Handle 42 flags 0x02 dlen 9 Channel: 65 len 5 sdu 3 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Read Request (0x0a) len 2 Handle: 0x002a Type: Sink ASE (0x2bc4) < ACL Data TX: Handle 42 flags 0x00 dlen 9 Channel: 64 len 5 sdu 3 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Read Response (0x0b) len 2 Value: 0300 ASE ID: 1 State: Idle (0x00) < ACL Data TX: Handle 42 flags 0x00 dlen 55 Channel: 64 len 51 sdu 49 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 48 Length: 0x0023 Handle: 0x0024 Type: Sink ASE (0x2bc4) Data: 01010000000a00204e00409c00204e00409c0006000000000a02010302020103042800 ASE ID: 1 State: Codec Configured (0x01) Framing: Unframed PDUs supported (0x00) PHY: 0x00 RTN: 0 Max Transport Latency: 10 Presentation Delay Min: 20000 us Presentation Delay Max: 40000 us Preferred Presentation Delay Min: 20000 us Preferred Presentation Delay Max: 40000 us Codec: LC3 (0x06) Codec Specific Configuration #0: len 0x02 type 0x01 Codec Specific Configuration: 03 Codec Specific Configuration #1: len 0x02 type 0x02 Codec Specific Configuration: 01 Codec Specific Configuration #2: len 0x03 type 0x04 Codec Specific Configuration: 2800 < ACL Data TX: Handle 42 flags 0x00 dlen 37 Channel: 64 len 33 sdu 31 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 30 Length: 0x0011 Handle: 0x0024 Type: Sink ASE (0x2bc4) Data: 0102000010270000022800020a00409c00 ASE ID: 1 State: QoS Configured (0x02) CIG ID: 0x00 CIS ID: 0x00 SDU Interval: 10000 usec Framing: Unframed (0x00) PHY: 0x02 LE 2M PHY (0x02) Max SDU: 40 RTN: 2 Max Transport Latency: 10 Presentation Delay: 40000 us < ACL Data TX: Handle 42 flags 0x00 dlen 33 Channel: 64 len 29 sdu 27 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 26 Length: 0x000d Handle: 0x002a Type: Source ASE (0x2bc5) Data: 03030000060304030202000000 ASE ID: 3 State: Enabling (0x03) CIG ID: 0x00 CIS ID: 0x00 Metadata #0: len 0x03 type 0x04 Metadata: 0302 Metadata #1: len 0x02 type 0x00 < ACL Data TX: Handle 42 flags 0x00 dlen 39 Channel: 64 len 35 sdu 33 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 32 Length: 0x000d Handle: 0x002a Type: Source ASE (0x2bc5) Data: 03040000060304030202000000 ASE ID: 3 State: Streaming (0x04) CIG ID: 0x00 CIS ID: 0x00 Metadata #0: len 0x03 type 0x04 Metadata: 0302 Metadata #1: len 0x02 type 0x00 < ACL Data TX: Handle 42 flags 0x00 dlen 33 Channel: 64 len 29 sdu 27 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 26 Length: 0x000d Handle: 0x002a Type: Source ASE (0x2bc5) Data: 03050000060304030202000000 ASE ID: 3 State: Disabling (0x05) CIG ID: 0x00 CIS ID: 0x00 Metadata #0: len 0x03 type 0x04 Metadata: 0302 Metadata #1: len 0x02 type 0x00 --- lib/bluetooth.h | 4 + monitor/att.c | 365 ++++++++++++++++++++++++++++++++++++++++++---- monitor/l2cap.h | 163 +++++++++++++++++++++ src/shared/ascs.h | 4 +- 4 files changed, 508 insertions(+), 28 deletions(-) diff --git a/lib/bluetooth.h b/lib/bluetooth.h index 73297c147..af5fbcfbc 100644 --- a/lib/bluetooth.h +++ b/lib/bluetooth.h @@ -413,6 +413,10 @@ void bt_free(void *ptr); int bt_error(uint16_t code); const char *bt_compidtostr(int id); +typedef struct { + uint8_t data[3]; +} uint24_t; + typedef struct { uint8_t data[16]; } uint128_t; diff --git a/monitor/att.c b/monitor/att.c index 2b1e21d05..fb0961102 100644 --- a/monitor/att.c +++ b/monitor/att.c @@ -255,6 +255,38 @@ static void gatt_ccc_write(const struct l2cap_frame *frame) print_ccc_value(value); } +static bool print_codec(const struct l2cap_frame *frame) +{ + uint8_t codec_id; + uint16_t codec_cid, codec_vid; + + if (!l2cap_frame_get_u8((void *)frame, &codec_id)) { + print_text(COLOR_ERROR, "Codec: invalid size"); + return false; + } + + packet_print_codec_id(" Codec", codec_id); + + if (!l2cap_frame_get_le16((void *)frame, &codec_cid)) { + print_text(COLOR_ERROR, "Codec Company ID: invalid size"); + return false; + } + + if (!l2cap_frame_get_le16((void *)frame, &codec_vid)) { + print_text(COLOR_ERROR, "Codec Vendor ID: invalid size"); + return false; + } + + if (codec_id == 0xff) { + print_field(" Codec Company ID: %s (0x%04x)", + bt_compidtostr(codec_cid), + codec_cid); + print_field(" Codec Vendor ID: 0x%04x", codec_vid); + } + + return true; +} + static void print_pac(const struct l2cap_frame *frame) { uint8_t num = 0, i; @@ -267,38 +299,13 @@ static void print_pac(const struct l2cap_frame *frame) print_field(" Number of PAC(s): %u", num); for (i = 0; i < num; i++) { - uint8_t codec_id; - uint16_t codec_cid, codec_vid; struct bt_hci_lv_data *cc; struct bt_hci_lv_data *meta; print_field(" PAC #%u:", i); - if (!l2cap_frame_get_u8((void *)frame, &codec_id)) { - print_text(COLOR_ERROR, "Codec: invalid size"); + if (!print_codec(frame)) goto done; - } - - packet_print_codec_id(" Codec", codec_id); - - if (!l2cap_frame_get_le16((void *)frame, &codec_cid)) { - print_text(COLOR_ERROR, - "Codec Company ID: invalid size"); - goto done; - } - - if (!l2cap_frame_get_le16((void *)frame, &codec_vid)) { - print_text(COLOR_ERROR, - "Codec Vendor ID: invalid size"); - goto done; - } - - if (codec_id == 0xff) { - print_field(" Codec Company ID: %s (0x%04x)", - bt_compidtostr(codec_cid), - codec_cid); - print_field(" Codec Vendor ID: 0x%04x", codec_vid); - } cc = l2cap_frame_pull((void *)frame, frame, sizeof(*cc)); if (!cc) { @@ -345,6 +352,310 @@ static void pac_notify(const struct l2cap_frame *frame) print_pac(frame); } +static void print_prefer_framing(uint8_t value) +{ + switch (value) { + case 0x00: + print_field(" Framing: Unframed ISOAL PDUs supported " + "(0x%2.2x)", value); + return; + case 0x01: + print_field(" Framing: Unframed ISOAL PDUs not supported " + "(0x%2.2x)", value); + return; + default: + print_field(" Framing: Reserved (0x%2.2x)", value); + } +} + +static const struct bitfield_data prefer_phy_table[] = { + { 0, "LE 1M PHY preffered (0x01)" }, + { 1, "LE 2M PHY preffered (0x02)" }, + { 2, "LE Codec PHY preffered (0x04)" }, + { } +}; + +static void print_prefer_phy(uint8_t phy) +{ + uint8_t mask; + + mask = print_bitfield(4, phy, prefer_phy_table); + if (mask) + print_text(COLOR_WHITE_BG, " Unknown fields (0x%2.2x)", + mask); +} + +static void print_ase_config(const struct l2cap_frame *frame) +{ + uint8_t framing, phy, rtn; + uint16_t latency; + uint32_t pd_min, pd_max, ppd_min, ppd_max; + struct bt_hci_lv_data *cc; + + if (!l2cap_frame_get_u8((void *)frame, &framing)) { + print_text(COLOR_ERROR, "Framing: invalid size"); + return; + } + + print_prefer_framing(framing); + + if (!l2cap_frame_get_u8((void *)frame, &phy)) { + print_text(COLOR_ERROR, "PHY: invalid size"); + return; + } + + print_prefer_phy(phy); + + if (!l2cap_frame_get_u8((void *)frame, &rtn)) { + print_text(COLOR_ERROR, "RTN: invalid size"); + return; + } + + print_field(" RTN: %u", rtn); + + if (!l2cap_frame_get_le16((void *)frame, &latency)) { + print_text(COLOR_ERROR, "RTN: invalid size"); + return; + } + + print_field(" Max Transport Latency: %u ms", latency); + + if (!l2cap_frame_get_le24((void *)frame, &pd_min)) { + print_text(COLOR_ERROR, "Presentation Delay Min: invalid size"); + return; + } + + print_field(" Presentation Delay Min: %u us", pd_min); + + if (!l2cap_frame_get_le24((void *)frame, &pd_max)) { + print_text(COLOR_ERROR, "Presentation Delay Max: invalid size"); + return; + } + + print_field(" Presentation Delay Max: %u us", pd_max); + + if (!l2cap_frame_get_le24((void *)frame, &ppd_min)) { + print_text(COLOR_ERROR, + "Preferred Presentation Delay Min: invalid size"); + return; + } + + print_field(" Preferred Presentation Delay Min: %u us", ppd_min); + + if (!l2cap_frame_get_le24((void *)frame, &ppd_max)) { + print_text(COLOR_ERROR, + "Preferred Presentation Delay Max: invalid size"); + return; + } + + print_field(" Preferred Presentation Delay Max: %u us", ppd_max); + + if (!print_codec(frame)) + return; + + cc = l2cap_frame_pull((void *)frame, frame, sizeof(*cc)); + if (!cc) { + print_text(COLOR_ERROR, + "Codec Specific Configuration: invalid size"); + return; + } + + if (!l2cap_frame_pull((void *)frame, frame, cc->len)) { + print_text(COLOR_ERROR, + "Codec Specific Configuration: invalid size"); + return; + } + + packet_print_ltv(" Codec Specific Configuration", cc->data, cc->len); +} + +static void print_framing(uint8_t value) +{ + switch (value) { + case 0x00: + print_field(" Framing: Unframed (0x%2.2x)", value); + break; + case 0x01: + print_field(" Framing: Framed (0x%2.2x)", value); + break; + default: + print_field(" Framing: Reserved (0x%2.2x)", value); + } +} + +static const struct bitfield_data phy_table[] = { + { 0, "LE 1M PHY (0x01)" }, + { 1, "LE 2M PHY (0x02)" }, + { 2, "LE Codec PHY (0x04)" }, + { } +}; + +static void print_phy(uint8_t phy) +{ + uint8_t mask; + + mask = print_bitfield(4, phy, phy_table); + if (mask) + print_text(COLOR_WHITE_BG, " Unknown fields (0x%2.2x)", + mask); +} + +static void print_ase_qos(const struct l2cap_frame *frame) +{ + uint8_t framing, phy, rtn; + uint16_t sdu, latency; + uint32_t interval, pd; + + if (!l2cap_frame_print_u8((void *)frame, " CIG ID")) + return; + + if (!l2cap_frame_print_u8((void *)frame, " CIS ID")) + return; + + if (!l2cap_frame_get_le24((void *)frame, &interval)) { + print_text(COLOR_ERROR, "SDU Interval: invalid size"); + return; + } + + print_field(" SDU Interval: %u us", interval); + + if (!l2cap_frame_get_u8((void *)frame, &framing)) { + print_text(COLOR_ERROR, "Framing: invalid size"); + return; + } + + print_framing(framing); + + if (!l2cap_frame_get_u8((void *)frame, &phy)) { + print_text(COLOR_ERROR, "PHY: invalid size"); + return; + } + + print_phy(phy); + + if (!l2cap_frame_get_le16((void *)frame, &sdu)) { + print_text(COLOR_ERROR, "Max SDU: invalid size"); + return; + } + + print_field(" Max SDU: %u", sdu); + + if (!l2cap_frame_get_u8((void *)frame, &rtn)) { + print_text(COLOR_ERROR, "RTN: invalid size"); + return; + } + + print_field(" RTN: %u", rtn); + + if (!l2cap_frame_get_le16((void *)frame, &latency)) { + print_text(COLOR_ERROR, "Max Transport Latency: invalid size"); + return; + } + + print_field(" Max Transport Latency: %u", sdu); + + if (!l2cap_frame_get_le24((void *)frame, &pd)) { + print_text(COLOR_ERROR, "Presentation Delay: invalid size"); + return; + } + + print_field(" Presentation Delay: %u us", pd); +} + +static void print_ase_metadata(const struct l2cap_frame *frame) +{ + struct bt_hci_lv_data *meta; + + if (!l2cap_frame_print_u8((void *)frame, " CIG ID")) + return; + + if (!l2cap_frame_print_u8((void *)frame, " CIS ID")) + return; + + meta = l2cap_frame_pull((void *)frame, frame, sizeof(*meta)); + if (!meta) { + print_text(COLOR_ERROR, "Metadata: invalid size"); + return; + } + + if (!l2cap_frame_pull((void *)frame, frame, meta->len)) { + print_text(COLOR_ERROR, "Metadata: invalid size"); + return; + } + + packet_print_ltv(" Metadata", meta->data, meta->len); +} + +static void print_ase_status(const struct l2cap_frame *frame) +{ + uint8_t id, state; + + if (!l2cap_frame_get_u8((void *)frame, &id)) { + print_text(COLOR_ERROR, "ASE ID: invalid size"); + goto done; + } + + print_field(" ASE ID: %u", id); + + if (!l2cap_frame_get_u8((void *)frame, &state)) { + print_text(COLOR_ERROR, "ASE State: invalid size"); + goto done; + } + + switch (state) { + /* ASE_State = 0x00 (Idle) */ + case 0x00: + print_field(" State: Idle (0x00)"); + break; + /* ASE_State = 0x01 (Codec Configured) */ + case 0x01: + print_field(" State: Codec Configured (0x01)"); + print_ase_config(frame); + break; + /* ASE_State = 0x02 (QoS Configured) */ + case 0x02: + print_field(" State: QoS Configured (0x02)"); + print_ase_qos(frame); + break; + /* ASE_Status = 0x03 (Enabling) */ + case 0x03: + print_field(" State: Enabling (0x03)"); + print_ase_metadata(frame); + break; + /* ASE_Status = 0x04 (Streaming) */ + case 0x04: + print_field(" State: Streaming (0x04)"); + print_ase_metadata(frame); + break; + /* ASE_Status = 0x05 (Disabling) */ + case 0x05: + print_field(" State: Disabling (0x05)"); + print_ase_metadata(frame); + break; + /* ASE_Status = 0x06 (Releasing) */ + case 0x06: + print_field(" State: Releasing (0x06)"); + break; + default: + print_field(" State: Reserved (0x%2.2x)", state); + break; + } + +done: + if (frame->size) + print_hex_field(" Data", frame->data, frame->size); +} + +static void ase_read(const struct l2cap_frame *frame) +{ + print_ase_status(frame); +} + +static void ase_notify(const struct l2cap_frame *frame) +{ + print_ase_status(frame); +} + #define GATT_HANDLER(_uuid, _read, _write, _notify) \ { \ .uuid = { \ @@ -366,6 +677,8 @@ struct gatt_handler { gatt_ccc_write, NULL), GATT_HANDLER(PAC_SINK_CHRC_UUID, pac_read, NULL, pac_notify), GATT_HANDLER(PAC_SOURCE_CHRC_UUID, pac_read, NULL, pac_notify), + GATT_HANDLER(ASE_SINK_UUID, ase_read, NULL, ase_notify), + GATT_HANDLER(ASE_SOURCE_UUID, ase_read, NULL, ase_notify), }; static struct gatt_handler *get_handler(struct gatt_db_attribute *attr) diff --git a/monitor/l2cap.h b/monitor/l2cap.h index c33d4c57f..00a8ffbbd 100644 --- a/monitor/l2cap.h +++ b/monitor/l2cap.h @@ -78,6 +78,21 @@ static inline bool l2cap_frame_get_u8(struct l2cap_frame *frame, uint8_t *value) return true; } +static inline bool l2cap_frame_print_u8(struct l2cap_frame *frame, + const char *label) +{ + uint8_t u8; + + if (!l2cap_frame_get_u8(frame, &u8)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%2.2x", label, u8); + + return true; +} + static inline bool l2cap_frame_get_be16(struct l2cap_frame *frame, uint16_t *value) { @@ -92,6 +107,21 @@ static inline bool l2cap_frame_get_be16(struct l2cap_frame *frame, return true; } +static inline bool l2cap_frame_print_be16(struct l2cap_frame *frame, + const char *label) +{ + uint16_t u16; + + if (!l2cap_frame_get_be16(frame, &u16)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%4.4x", label, u16); + + return true; +} + static inline bool l2cap_frame_get_le16(struct l2cap_frame *frame, uint16_t *value) { @@ -106,6 +136,79 @@ static inline bool l2cap_frame_get_le16(struct l2cap_frame *frame, return true; } +static inline bool l2cap_frame_print_le16(struct l2cap_frame *frame, + const char *label) +{ + uint16_t u16; + + if (!l2cap_frame_get_le16(frame, &u16)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%4.4x", label, u16); + + return true; +} + +static inline bool l2cap_frame_get_be24(struct l2cap_frame *frame, + uint32_t *value) +{ + if (frame->size < sizeof(uint24_t)) + return false; + + if (value) + *value = get_be24(frame->data); + + l2cap_frame_pull(frame, frame, sizeof(uint24_t)); + + return true; +} + +static inline bool l2cap_frame_print_be24(struct l2cap_frame *frame, + const char *label) +{ + uint32_t u24; + + if (!l2cap_frame_get_be24(frame, &u24)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%6.6x", label, u24); + + return true; +} + +static inline bool l2cap_frame_get_le24(struct l2cap_frame *frame, + uint32_t *value) +{ + if (frame->size < sizeof(uint24_t)) + return false; + + if (value) + *value = get_le24(frame->data); + + l2cap_frame_pull(frame, frame, sizeof(uint24_t)); + + return true; +} + +static inline bool l2cap_frame_print_le24(struct l2cap_frame *frame, + const char *label) +{ + uint32_t u24; + + if (!l2cap_frame_get_le24(frame, &u24)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%6.6x", label, u24); + + return true; +} + static inline bool l2cap_frame_get_be32(struct l2cap_frame *frame, uint32_t *value) { @@ -120,6 +223,21 @@ static inline bool l2cap_frame_get_be32(struct l2cap_frame *frame, return true; } +static inline bool l2cap_frame_print_be32(struct l2cap_frame *frame, + const char *label) +{ + uint32_t u32; + + if (!l2cap_frame_get_be32(frame, &u32)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%8.8x", label, u32); + + return true; +} + static inline bool l2cap_frame_get_le32(struct l2cap_frame *frame, uint32_t *value) { @@ -134,6 +252,21 @@ static inline bool l2cap_frame_get_le32(struct l2cap_frame *frame, return true; } +static inline bool l2cap_frame_print_le32(struct l2cap_frame *frame, + const char *label) +{ + uint32_t u32; + + if (!l2cap_frame_get_le32(frame, &u32)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%8.8x", label, u32); + + return true; +} + static inline bool l2cap_frame_get_be64(struct l2cap_frame *frame, uint64_t *value) { @@ -148,6 +281,21 @@ static inline bool l2cap_frame_get_be64(struct l2cap_frame *frame, return true; } +static inline bool l2cap_frame_print_be64(struct l2cap_frame *frame, + const char *label) +{ + uint64_t u64; + + if (!l2cap_frame_get_be64(frame, &u64)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%zx", label, u64); + + return true; +} + static inline bool l2cap_frame_get_le64(struct l2cap_frame *frame, uint64_t *value) { @@ -162,6 +310,21 @@ static inline bool l2cap_frame_get_le64(struct l2cap_frame *frame, return true; } +static inline bool l2cap_frame_print_le64(struct l2cap_frame *frame, + const char *label) +{ + uint64_t u64; + + if (!l2cap_frame_get_le64(frame, &u64)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%zx", label, u64); + + return true; +} + static inline bool l2cap_frame_get_be128(struct l2cap_frame *frame, uint64_t *lvalue, uint64_t *rvalue) { diff --git a/src/shared/ascs.h b/src/shared/ascs.h index 230fdfe8a..2c875bd17 100644 --- a/src/shared/ascs.h +++ b/src/shared/ascs.h @@ -101,8 +101,8 @@ struct bt_ascs_ase_status_qos { uint8_t pd[3]; } __packed; -/* ASE_Status = 0x03 (Enabling), 0x04 (Streaming), 0x05 (Disabling), or - * 0x06 (Releasing), defined in Table 4.9. +/* ASE_Status = 0x03 (Enabling), 0x04 (Streaming), or 0x05 (Disabling) + * defined in Table 4.9. */ struct bt_ascs_ase_status_metadata { uint8_t cig_id; 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[71.56.157.77]) by smtp.gmail.com with ESMTPSA id f12-20020a170902860c00b00162529828aesm13339plo.109.2022.05.25.17.39.32 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 25 May 2022 17:39:32 -0700 (PDT) From: Luiz Augusto von Dentz To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ 3/3] monitor/att: Add decoding support for ASE Control Point Date: Wed, 25 May 2022 17:39:27 -0700 Message-Id: <20220526003927.3972965-3-luiz.dentz@gmail.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220526003927.3972965-1-luiz.dentz@gmail.com> References: <20220526003927.3972965-1-luiz.dentz@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Luiz Augusto von Dentz This adds decoding support for ASE Control Point attribute: > ACL Data RX: Handle 42 flags 0x02 dlen 30 Channel: 64 len 26 sdu 24 [PSM 39 mode Enhanced Credit (0x81)] {chan 1} ATT: Write Command (0x52) len 23 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 010103020206000000000a02010302020103042800 Opcode: Codec Configuration (0x01) Number of ASE(s): 1 ASE: #0 ASE ID: 0x03 Target Latency: Balance Latency/Reliability (0x02) PHY: 0x02 LE 2M PHY (0x02) Codec: LC3 (0x06) Codec Specific Configuration #0: len 0x02 type 0x01 Codec Specific Configuration: 03 Codec Specific Configuration #1: len 0x02 type 0x02 Codec Specific Configuration: 01 Codec Specific Configuration #2: len 0x03 type 0x04 Codec Specific Configuration: 2800 < ACL Data TX: Handle 42 flags 0x00 dlen 55 Channel: 64 len 51 sdu 49 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 48 Length: 0x0005 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 0101030000 Opcode: Codec Configuration (0x01) Number of ASE(s): 1 ASE: #0 ASE ID: 0x03 ASE Response Code: Success (0x00) ASE Response Reason: None (0x00) > ACL Data RX: Handle 42 flags 0x02 dlen 27 Channel: 64 len 23 sdu 21 [PSM 39 mode Enhanced Credit (0x81)] {chan 1} ATT: Write Command (0x52) len 20 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 020103000010270000022800020a00409c00 Opcode: QoS Configuration (0x02) Number of ASE(s): 1 ASE: #0 ASE ID: 0x03 CIG ID: 0x00 CIS ID: 0x00 SDU Interval: 10000 usec Framing: Unframed (0x00) PHY: 0x02 LE 2M PHY (0x02) Max SDU: 40 RTN: 2 Max Transport Latency: 10 Presentation Delay: 40000 us < ACL Data TX: Handle 42 flags 0x00 dlen 37 Channel: 64 len 33 sdu 31 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 30 Length: 0x0005 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 0201030000 Opcode: QoS Configuration (0x02) Number of ASE(s): 1 ASE: #0 ASE ID: 0x03 ASE Response Code: Success (0x00) ASE Response Reason: None (0x00) > ACL Data RX: Handle 42 flags 0x02 dlen 17 Channel: 64 len 13 sdu 11 [PSM 39 mode Enhanced Credit (0x81)] {chan 1} ATT: Write Command (0x52) len 10 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 0301030403020200 Opcode: Enable (0x03) Number of ASE(s): 1 ASE: #0 ASE ID: 0x03 Metadata #0: len 0x03 type 0x02 Metadata: 0200 < ACL Data TX: Handle 42 flags 0x00 dlen 33 Channel: 64 len 29 sdu 27 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Handle Multiple Value Notification (0x23) len 26 Length: 0x0005 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 0301030000 Opcode: Enable (0x03) Number of ASE(s): 1 ASE: #0 ASE ID: 0x03 ASE Response Code: Success (0x00) ASE Response Reason: None (0x00) > ACL Data RX: Handle 42 flags 0x02 dlen 12 Channel: 64 len 8 sdu 6 [PSM 39 mode Enhanced Credit (0x81)] {chan 0} ATT: Write Command (0x52) len 5 Handle: 0x0030 Type: ASE Control Point (0x2bc6) Data: 050101 Opcode: Disable (0x05) Number of ASE(s): 1 --- monitor/att.c | 773 ++++++++++++++++++++++++++++++++++++++------------ 1 file changed, 588 insertions(+), 185 deletions(-) diff --git a/monitor/att.c b/monitor/att.c index fb0961102..e77bc4633 100644 --- a/monitor/att.c +++ b/monitor/att.c @@ -255,7 +255,7 @@ static void gatt_ccc_write(const struct l2cap_frame *frame) print_ccc_value(value); } -static bool print_codec(const struct l2cap_frame *frame) +static bool print_ase_codec(const struct l2cap_frame *frame) { uint8_t codec_id; uint16_t codec_cid, codec_vid; @@ -287,6 +287,36 @@ static bool print_codec(const struct l2cap_frame *frame) return true; } +static bool print_ase_lv(const struct l2cap_frame *frame, const char *label) +{ + struct bt_hci_lv_data *lv; + + lv = l2cap_frame_pull((void *)frame, frame, sizeof(*lv)); + if (!lv) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + if (!l2cap_frame_pull((void *)frame, frame, lv->len)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + packet_print_ltv(label, lv->data, lv->len); + + return true; +} + +static bool print_ase_cc(const struct l2cap_frame *frame) +{ + return print_ase_lv(frame, " Codec Specific Configuration"); +} + +static bool print_ase_metadata(const struct l2cap_frame *frame) +{ + return print_ase_lv(frame, " Metadata"); +} + static void print_pac(const struct l2cap_frame *frame) { uint8_t num = 0, i; @@ -299,42 +329,16 @@ static void print_pac(const struct l2cap_frame *frame) print_field(" Number of PAC(s): %u", num); for (i = 0; i < num; i++) { - struct bt_hci_lv_data *cc; - struct bt_hci_lv_data *meta; - print_field(" PAC #%u:", i); - if (!print_codec(frame)) + if (!print_ase_codec(frame)) goto done; - cc = l2cap_frame_pull((void *)frame, frame, sizeof(*cc)); - if (!cc) { - print_text(COLOR_ERROR, - "Codec Specific Configuration: invalid size"); - goto done; - } + if (!print_ase_cc(frame)) + break; - if (!l2cap_frame_pull((void *)frame, frame, cc->len)) { - print_text(COLOR_ERROR, - "Codec Specific Configuration: invalid size"); - goto done; - } - - packet_print_ltv(" Codec Specific Configuration", cc->data, - cc->len); - - meta = l2cap_frame_pull((void *)frame, frame, sizeof(*meta)); - if (!meta) { - print_text(COLOR_ERROR, "Metadata: invalid size"); - goto done; - } - - if (!l2cap_frame_pull((void *)frame, frame, meta->len)) { - print_text(COLOR_ERROR, "Metadata: invalid size"); - goto done; - } - - packet_print_ltv(" Metadata", meta->data, meta->len); + if (!print_ase_metadata(frame)) + break; } done: @@ -352,20 +356,28 @@ static void pac_notify(const struct l2cap_frame *frame) print_pac(frame); } -static void print_prefer_framing(uint8_t value) +static bool print_prefer_framing(const struct l2cap_frame *frame) { - switch (value) { - case 0x00: - print_field(" Framing: Unframed ISOAL PDUs supported " - "(0x%2.2x)", value); - return; - case 0x01: - print_field(" Framing: Unframed ISOAL PDUs not supported " - "(0x%2.2x)", value); - return; - default: - print_field(" Framing: Reserved (0x%2.2x)", value); + uint8_t framing; + + if (!l2cap_frame_get_u8((void *)frame, &framing)) { + print_text(COLOR_ERROR, " Framing: invalid size"); + return false; } + + switch (framing) { + case 0x00: + print_field(" Framing: Unframed PDUs supported (0x00)"); + break; + case 0x01: + print_field(" Framing: Unframed PDUs not supported (0x01)"); + break; + default: + print_field(" Framing: Reserved (0x%2.2x)", framing); + break; + } + + return true; } static const struct bitfield_data prefer_phy_table[] = { @@ -375,112 +387,122 @@ static const struct bitfield_data prefer_phy_table[] = { { } }; -static void print_prefer_phy(uint8_t phy) +static bool print_prefer_phy(const struct l2cap_frame *frame) { - uint8_t mask; + uint8_t phy, mask; + + if (!l2cap_frame_get_u8((void *)frame, &phy)) { + print_text(COLOR_ERROR, "PHY: invalid size"); + return false; + } + + print_field(" PHY: 0x%2.2x", phy); mask = print_bitfield(4, phy, prefer_phy_table); if (mask) print_text(COLOR_WHITE_BG, " Unknown fields (0x%2.2x)", mask); + + return true; +} + +static bool print_ase_rtn(const struct l2cap_frame *frame, const char *label) +{ + uint8_t rtn; + + if (!l2cap_frame_get_u8((void *)frame, &rtn)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: %u", label, rtn); + + return true; +} + +static bool print_ase_latency(const struct l2cap_frame *frame, + const char *label) +{ + uint16_t latency; + + if (!l2cap_frame_get_le16((void *)frame, &latency)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: %u", label, latency); + + return true; +} + +static bool print_ase_pd(const struct l2cap_frame *frame, const char *label) +{ + uint32_t pd; + + if (!l2cap_frame_get_le24((void *)frame, &pd)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: %u us", label, pd); + + return true; } static void print_ase_config(const struct l2cap_frame *frame) { - uint8_t framing, phy, rtn; - uint16_t latency; - uint32_t pd_min, pd_max, ppd_min, ppd_max; - struct bt_hci_lv_data *cc; - - if (!l2cap_frame_get_u8((void *)frame, &framing)) { - print_text(COLOR_ERROR, "Framing: invalid size"); - return; - } - - print_prefer_framing(framing); - - if (!l2cap_frame_get_u8((void *)frame, &phy)) { - print_text(COLOR_ERROR, "PHY: invalid size"); - return; - } - - print_prefer_phy(phy); - - if (!l2cap_frame_get_u8((void *)frame, &rtn)) { - print_text(COLOR_ERROR, "RTN: invalid size"); - return; - } - - print_field(" RTN: %u", rtn); - - if (!l2cap_frame_get_le16((void *)frame, &latency)) { - print_text(COLOR_ERROR, "RTN: invalid size"); - return; - } - - print_field(" Max Transport Latency: %u ms", latency); - - if (!l2cap_frame_get_le24((void *)frame, &pd_min)) { - print_text(COLOR_ERROR, "Presentation Delay Min: invalid size"); - return; - } - - print_field(" Presentation Delay Min: %u us", pd_min); - - if (!l2cap_frame_get_le24((void *)frame, &pd_max)) { - print_text(COLOR_ERROR, "Presentation Delay Max: invalid size"); - return; - } - - print_field(" Presentation Delay Max: %u us", pd_max); - - if (!l2cap_frame_get_le24((void *)frame, &ppd_min)) { - print_text(COLOR_ERROR, - "Preferred Presentation Delay Min: invalid size"); - return; - } - - print_field(" Preferred Presentation Delay Min: %u us", ppd_min); - - if (!l2cap_frame_get_le24((void *)frame, &ppd_max)) { - print_text(COLOR_ERROR, - "Preferred Presentation Delay Max: invalid size"); - return; - } - - print_field(" Preferred Presentation Delay Max: %u us", ppd_max); - - if (!print_codec(frame)) + if (!print_prefer_framing(frame)) return; - cc = l2cap_frame_pull((void *)frame, frame, sizeof(*cc)); - if (!cc) { - print_text(COLOR_ERROR, - "Codec Specific Configuration: invalid size"); + if (!print_prefer_phy(frame)) return; - } - if (!l2cap_frame_pull((void *)frame, frame, cc->len)) { - print_text(COLOR_ERROR, - "Codec Specific Configuration: invalid size"); + if (!print_ase_rtn(frame, " RTN")) return; - } - packet_print_ltv(" Codec Specific Configuration", cc->data, cc->len); + if (!print_ase_latency(frame, " Max Transport Latency")) + return; + + if (!print_ase_pd(frame, " Presentation Delay Min")) + return; + + if (!print_ase_pd(frame, " Presentation Delay Max")) + return; + + if (!print_ase_pd(frame, " Preferred Presentation Delay Min")) + return; + + if (!print_ase_pd(frame, " Preferred Presentation Delay Max")) + return; + + if (!print_ase_codec(frame)) + return; + + print_ase_cc(frame); } -static void print_framing(uint8_t value) +static bool print_ase_framing(const struct l2cap_frame *frame, + const char *label) { - switch (value) { + uint8_t framing; + + if (!l2cap_frame_get_u8((void *)frame, &framing)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + switch (framing) { case 0x00: - print_field(" Framing: Unframed (0x%2.2x)", value); + print_field("%s: Unframed (0x00)", label); break; case 0x01: - print_field(" Framing: Framed (0x%2.2x)", value); + print_field("%s: Framed (0x01)", label); break; default: - print_field(" Framing: Reserved (0x%2.2x)", value); + print_field("%s: Reserved (0x%2.2x)", label, framing); } + + return true; } static const struct bitfield_data phy_table[] = { @@ -490,100 +512,92 @@ static const struct bitfield_data phy_table[] = { { } }; -static void print_phy(uint8_t phy) +static bool print_ase_phy(const struct l2cap_frame *frame, const char *label) { - uint8_t mask; + uint8_t phy, mask; + + if (!l2cap_frame_get_u8((void *)frame, &phy)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: 0x%2.2x", label, phy); mask = print_bitfield(4, phy, phy_table); if (mask) print_text(COLOR_WHITE_BG, " Unknown fields (0x%2.2x)", mask); + + return true; +} + +static bool print_ase_interval(const struct l2cap_frame *frame, + const char *label) +{ + uint32_t interval; + + if (!l2cap_frame_get_le24((void *)frame, &interval)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: %u usec", label, interval); + + return true; +} + +static bool print_ase_sdu(const struct l2cap_frame *frame, const char *label) +{ + uint16_t sdu; + + if (!l2cap_frame_get_le16((void *)frame, &sdu)) { + print_text(COLOR_ERROR, "%s: invalid size", label); + return false; + } + + print_field("%s: %u", label, sdu); + + return true; } static void print_ase_qos(const struct l2cap_frame *frame) { - uint8_t framing, phy, rtn; - uint16_t sdu, latency; - uint32_t interval, pd; - if (!l2cap_frame_print_u8((void *)frame, " CIG ID")) return; if (!l2cap_frame_print_u8((void *)frame, " CIS ID")) return; - if (!l2cap_frame_get_le24((void *)frame, &interval)) { - print_text(COLOR_ERROR, "SDU Interval: invalid size"); + if (!print_ase_interval(frame, " SDU Interval")) return; - } - print_field(" SDU Interval: %u us", interval); - - if (!l2cap_frame_get_u8((void *)frame, &framing)) { - print_text(COLOR_ERROR, "Framing: invalid size"); + if (!print_ase_framing(frame, " Framing")) return; - } - print_framing(framing); - - if (!l2cap_frame_get_u8((void *)frame, &phy)) { - print_text(COLOR_ERROR, "PHY: invalid size"); + if (!print_ase_phy(frame, " PHY")) return; - } - print_phy(phy); - - if (!l2cap_frame_get_le16((void *)frame, &sdu)) { - print_text(COLOR_ERROR, "Max SDU: invalid size"); + if (!print_ase_sdu(frame, " Max SDU")) return; - } - print_field(" Max SDU: %u", sdu); - - if (!l2cap_frame_get_u8((void *)frame, &rtn)) { - print_text(COLOR_ERROR, "RTN: invalid size"); + if (!print_ase_rtn(frame, " RTN")) return; - } - print_field(" RTN: %u", rtn); - - if (!l2cap_frame_get_le16((void *)frame, &latency)) { - print_text(COLOR_ERROR, "Max Transport Latency: invalid size"); + if (!print_ase_latency(frame, " Max Transport Latency")) return; - } - print_field(" Max Transport Latency: %u", sdu); - - if (!l2cap_frame_get_le24((void *)frame, &pd)) { - print_text(COLOR_ERROR, "Presentation Delay: invalid size"); - return; - } - - print_field(" Presentation Delay: %u us", pd); + print_ase_pd(frame, " Presentation Delay"); } -static void print_ase_metadata(const struct l2cap_frame *frame) +static void print_ase_metadata_status(const struct l2cap_frame *frame) { - struct bt_hci_lv_data *meta; - if (!l2cap_frame_print_u8((void *)frame, " CIG ID")) return; if (!l2cap_frame_print_u8((void *)frame, " CIS ID")) return; - meta = l2cap_frame_pull((void *)frame, frame, sizeof(*meta)); - if (!meta) { - print_text(COLOR_ERROR, "Metadata: invalid size"); - return; - } - - if (!l2cap_frame_pull((void *)frame, frame, meta->len)) { - print_text(COLOR_ERROR, "Metadata: invalid size"); - return; - } - - packet_print_ltv(" Metadata", meta->data, meta->len); + print_ase_metadata(frame); } static void print_ase_status(const struct l2cap_frame *frame) @@ -620,17 +634,17 @@ static void print_ase_status(const struct l2cap_frame *frame) /* ASE_Status = 0x03 (Enabling) */ case 0x03: print_field(" State: Enabling (0x03)"); - print_ase_metadata(frame); + print_ase_metadata_status(frame); break; /* ASE_Status = 0x04 (Streaming) */ case 0x04: print_field(" State: Streaming (0x04)"); - print_ase_metadata(frame); + print_ase_metadata_status(frame); break; /* ASE_Status = 0x05 (Disabling) */ case 0x05: print_field(" State: Disabling (0x05)"); - print_ase_metadata(frame); + print_ase_metadata_status(frame); break; /* ASE_Status = 0x06 (Releasing) */ case 0x06: @@ -656,6 +670,394 @@ static void ase_notify(const struct l2cap_frame *frame) print_ase_status(frame); } +static bool print_ase_target_latency(const struct l2cap_frame *frame) +{ + uint8_t latency; + + if (!l2cap_frame_get_u8((void *)frame, &latency)) { + print_text(COLOR_ERROR, " Target Latency: invalid size"); + return false; + } + + switch (latency) { + case 0x01: + print_field(" Target Latency: Low Latency (0x01)"); + break; + case 0x02: + print_field(" Target Latency: Balance Latency/Reliability " + "(0x02)"); + break; + case 0x03: + print_field(" Target Latency: High Reliability (0x03)"); + break; + default: + print_field(" Target Latency: Reserved (0x%2.2x)", latency); + break; + } + + return true; +} + +static bool ase_config_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + if (!print_ase_target_latency(frame)) + return false; + + if (!print_ase_phy(frame, " PHY")) + return false; + + if (!print_ase_codec(frame)) + return false; + + if (!print_ase_cc(frame)) + return false; + + return true; +} + +static bool ase_qos_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + if (!l2cap_frame_print_u8((void *)frame, " CIG ID")) + return false; + + if (!l2cap_frame_print_u8((void *)frame, " CIS ID")) + return false; + + if (!print_ase_interval(frame, " SDU Interval")) + return false; + + if (!print_ase_framing(frame, " Framing")) + return false; + + if (!print_ase_phy(frame, " PHY")) + return false; + + if (!print_ase_sdu(frame, " Max SDU")) + return false; + + if (!print_ase_rtn(frame, " RTN")) + return false; + + if (!print_ase_latency(frame, " Max Transport Latency")) + return false; + + if (!print_ase_pd(frame, " Presentation Delay")) + return false; + + return true; +} + +static bool ase_enable_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + if (!print_ase_metadata(frame)) + return false; + + return true; +} + +static bool ase_start_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + return true; +} + +static bool ase_disable_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + return true; +} + +static bool ase_stop_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + return true; +} + +static bool ase_metadata_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + if (!print_ase_metadata(frame)) + return false; + + return true; +} + +static bool ase_release_cmd(const struct l2cap_frame *frame) +{ + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + return false; + + return true; +} + +#define ASE_CMD(_op, _desc, _func) \ +[_op] = { \ + .desc = _desc, \ + .func = _func, \ +} + +struct ase_cmd { + const char *desc; + bool (*func)(const struct l2cap_frame *frame); +} ase_cmd_table[] = { + /* Opcode = 0x01 (Codec Configuration) */ + ASE_CMD(0x01, "Codec Configuration", ase_config_cmd), + /* Opcode = 0x02 (QoS Configuration) */ + ASE_CMD(0x02, "QoS Configuration", ase_qos_cmd), + /* Opcode = 0x03 (Enable) */ + ASE_CMD(0x03, "Enable", ase_enable_cmd), + /* Opcode = 0x04 (Receiver Start Ready) */ + ASE_CMD(0x04, "Receiver Start Ready", ase_start_cmd), + /* Opcode = 0x05 (Disable) */ + ASE_CMD(0x05, "Disable", ase_disable_cmd), + /* Opcode = 0x06 (Receiver Stop Ready) */ + ASE_CMD(0x06, "Receiver Stop Ready", ase_stop_cmd), + /* Opcode = 0x07 (Update Metadata) */ + ASE_CMD(0x07, "Update Metadata", ase_metadata_cmd), + /* Opcode = 0x08 (Release) */ + ASE_CMD(0x08, "Release", ase_release_cmd), +}; + +static struct ase_cmd *ase_get_cmd(uint8_t op) +{ + if (op > ARRAY_SIZE(ase_cmd_table)) + return NULL; + + return &ase_cmd_table[op]; +} + +static void print_ase_cmd(const struct l2cap_frame *frame) +{ + uint8_t op, num, i; + struct ase_cmd *cmd; + + if (!l2cap_frame_get_u8((void *)frame, &op)) { + print_text(COLOR_ERROR, "opcode: invalid size"); + goto done; + } + + if (!l2cap_frame_get_u8((void *)frame, &num)) { + print_text(COLOR_ERROR, "num: invalid size"); + goto done; + } + + cmd = ase_get_cmd(op); + if (!cmd) { + print_field(" Opcode: Reserved (0x%2.2x)", op); + goto done; + } + + print_field(" Opcode: %s (0x%2.2x)", cmd->desc, op); + print_field(" Number of ASE(s): %u", num); + + for (i = 0; i < num && frame->size; i++) { + print_field(" ASE: #%u", i); + + if (!cmd->func(frame)) + break; + } + +done: + if (frame->size) + print_hex_field(" Data", frame->data, frame->size); +} + +static void ase_cp_write(const struct l2cap_frame *frame) +{ + print_ase_cmd(frame); +} + +static bool print_ase_cp_rsp_code(const struct l2cap_frame *frame) +{ + uint8_t code; + + if (!l2cap_frame_get_u8((void *)frame, &code)) { + print_text(COLOR_ERROR, " ASE Response Code: invalid size"); + return false; + } + + switch (code) { + case 0x00: + print_field(" ASE Response Code: Success (0x00)"); + break; + case 0x01: + print_field(" ASE Response Code: Unsupported Opcode (0x01)"); + break; + case 0x02: + print_field(" ASE Response Code: Invalid Length (0x02)"); + break; + case 0x03: + print_field(" ASE Response Code: Invalid ASE ID (0x03)"); + break; + case 0x04: + print_field(" ASE Response Code: Invalid ASE State (0x04)"); + break; + case 0x05: + print_field(" ASE Response Code: Invalid ASE Direction " + "(0x05)"); + break; + case 0x06: + print_field(" ASE Response Code: Unsupported Audio " + "Capabilities (0x06)"); + break; + case 0x07: + print_field(" ASE Response Code: Unsupported Configuration " + "(0x07)"); + break; + case 0x08: + print_field(" ASE Response Code: Rejected Configuration " + "(0x08)"); + break; + case 0x09: + print_field(" ASE Response Code: Invalid Configuration " + "(0x09)"); + break; + case 0x0a: + print_field(" ASE Response Code: Unsupported Metadata " + "(0x0a)"); + break; + case 0x0b: + print_field(" ASE Response Code: Rejected Metadata (0x0b)"); + break; + case 0x0c: + print_field(" ASE Response Code: Invalid Metadata (0x0c)"); + break; + case 0x0d: + print_field(" ASE Response Code: Insufficient Resources " + "(0x0d)"); + break; + case 0x0e: + print_field(" ASE Response Code: Unspecified Error (0x0e)"); + break; + default: + print_field(" ASE Response Code: Reserved (0x%2.2x)", code); + break; + } + + return true; +} + +static bool print_ase_cp_rsp_reason(const struct l2cap_frame *frame) +{ + uint8_t reason; + + if (!l2cap_frame_get_u8((void *)frame, &reason)) { + print_text(COLOR_ERROR, + " ASE Response Reason: invalid size"); + return false; + } + + switch (reason) { + case 0x00: + print_field(" ASE Response Reason: None (0x00)"); + break; + case 0x01: + print_field(" ASE Response Reason: ASE ID (0x01)"); + break; + case 0x02: + print_field(" ASE Response Reason: Codec Specific " + "Configuration (0x02)"); + break; + case 0x03: + print_field(" ASE Response Reason: SDU Interval (0x03)"); + break; + case 0x04: + print_field(" ASE Response Reason: Framing (0x04)"); + break; + case 0x05: + print_field(" ASE Response Reason: PHY (0x05)"); + break; + case 0x06: + print_field(" ASE Response Reason: Max SDU (0x06)"); + break; + case 0x07: + print_field(" ASE Response Reason: RTN (0x07)"); + break; + case 0x08: + print_field(" ASE Response Reason: Max Transport Latency " + "(0x08)"); + break; + case 0x09: + print_field(" ASE Response Reason: Presentation Delay " + "(0x09)"); + break; + case 0x0a: + print_field(" ASE Response Reason: Invalid ASE/CIS Mapping " + "(0x0a)"); + break; + default: + print_field(" ASE Response Reason: Reserved (0x%2.2x)", + reason); + break; + } + + return true; +} + +static void print_ase_cp_rsp(const struct l2cap_frame *frame) +{ + uint8_t op, num, i; + struct ase_cmd *cmd; + + if (!l2cap_frame_get_u8((void *)frame, &op)) { + print_text(COLOR_ERROR, " opcode: invalid size"); + goto done; + } + + if (!l2cap_frame_get_u8((void *)frame, &num)) { + print_text(COLOR_ERROR, " Number of ASE(s): invalid size"); + goto done; + } + + cmd = ase_get_cmd(op); + if (!cmd) { + print_field(" Opcode: Reserved (0x%2.2x)", op); + goto done; + } + + print_field(" Opcode: %s (0x%2.2x)", cmd->desc, op); + print_field(" Number of ASE(s): %u", num); + + for (i = 0; i < num && frame->size; i++) { + print_field(" ASE: #%u", i); + + if (!l2cap_frame_print_u8((void *)frame, " ASE ID")) + break; + + if (!print_ase_cp_rsp_code(frame)) + break; + + if (!print_ase_cp_rsp_reason(frame)) + break; + } + +done: + if (frame->size) + print_hex_field(" Data", frame->data, frame->size); +} + +static void ase_cp_notify(const struct l2cap_frame *frame) +{ + print_ase_cp_rsp(frame); +} + #define GATT_HANDLER(_uuid, _read, _write, _notify) \ { \ .uuid = { \ @@ -679,6 +1081,7 @@ struct gatt_handler { GATT_HANDLER(PAC_SOURCE_CHRC_UUID, pac_read, NULL, pac_notify), GATT_HANDLER(ASE_SINK_UUID, ase_read, NULL, ase_notify), GATT_HANDLER(ASE_SOURCE_UUID, ase_read, NULL, ase_notify), + GATT_HANDLER(ASE_CP_UUID, NULL, ase_cp_write, ase_cp_notify), }; static struct gatt_handler *get_handler(struct gatt_db_attribute *attr)