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([221.154.134.3]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-71e56e0d9f9sm2921660b3a.79.2024.10.13.22.22.37 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Oct 2024 22:22:38 -0700 (PDT) Message-ID: <670caa9e.050a0220.1d90eb.58b8@mx.google.com> X-Google-Original-Message-ID: Date: Mon, 14 Oct 2024 14:22:36 +0900 From: Junho Lee To: linux-bluetooth@vger.kernel.org Subject: [PATCH BlueZ v2 2/4] mesh: Add mesh conf for SAR Transmitter and Receiver Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline This allows you to set the SAR Transitter state and SAR Receiver state in the mesh conf file. --- mesh/mesh-main.conf | 107 ++++++++++++++++++++++++++++++++++++++++++++ mesh/mesh.c | 80 ++++++++++++++++++++++++++++++--- 2 files changed, 181 insertions(+), 6 deletions(-) diff --git a/mesh/mesh-main.conf b/mesh/mesh-main.conf index aca9e6fa5..01f4c3d23 100644 --- a/mesh/mesh-main.conf +++ b/mesh/mesh-main.conf @@ -41,3 +41,110 @@ # Setting this value to zero means there's no timeout. # Defaults to 60. #ProvTimeout = 60 + + +[SARTransmitter] + +# Transmission interval step between segments of a message. +# Interval is measured in milliseconds and calculated using the following +# formula: +# +# (SegIntervalStep + 1) * 10 ms. +# +# Valid range 0-15. +# Defaults to 5. +#SegIntervalStep = 5 + +# Maximum number of retransmissions of segments to a unicast destination. +# Valid range 0-15. +# Defaults to 2. +#UnicastRetransCount = 2 + +# Maximum number of retransmissions of segments to a unicast destination when no +# acknowledgment is newly received during the retransmission interval. +# This value sould be set to greater than AckRetransCount on a peer node. +# Valid range 0-15. +# Defaults to 2. +#UnicastRetransWithoutProgressCount = 2 + +# Retransmission interval step between segments of a meesage to a unicast +# destination. +# Interval is measured in milliseconds and calculated using the following +# formula: +# +# (UnicastRetransIntervalStep + 1) * 25 ms +# +# Valid range 0-15. +# Defaults to 7. +#UnicastRetransIntervalStep = 7 + +# Interval step between segments of a message to a unicast destination that +# increases proportionally to (ttl - 1) when ttl is over 0. +# Increment is measured in milliseconds and calculated using the following +# formula: +# +# (UnicastRetransIntervalIncrement + 1) * 25 ms +# +# Valid range 0-15. +# Defaults to 1. +#UnicastRetransIntervalIncrement = 1 + +# Maximum number of retransmissions of segments to a multicast destination. +# Valid range 0-15. +# Defaults to 2. +#MulticastRetransCount = 2 + +# Retransmission interval step between segments of a meesage to a multicast +# destination. +# Interval is measured in milliseconds and calculated using the following +# formula: +# +# (MulticastRetransIntervalStep + 1) * 25 ms +# +# Valid range 0-15. +# Defaults to 8. +#MulticastRetransIntervalStep = 8 + +[SARReceiver] + +# Threshold number of segments in a message to retransmit acknowledgment +# messages. If the number of segments in a message exceeds SegmentsThreshold, +# retransmit the Acknowledgment message by AckRetransCount. +# Valid range 0-31. +# Defaults to 3 +#SegmentsThreshold = 3 + +# Interval increment between acknowledgment messages. +# Increment is measured in segments and calculated using the following formula: +# +# AckDelayIncrement + 1.5 +# +# Valid range 0-7 +# Defaults to 1 +#AckDelayIncrement = 1 + +# Maximum number of retransmissions of acknowledgment messages. +# Valid range 0-3 +# Defaults to 0 +#AckRetransCount = 0 + +# Timeout to discard a segmented message when no more new segments of the +# message are coming in. +# Timeout is measured in seconds and calculated using the following formula: +# +# (DiscardTimeout + 1) * 5 sec +# +# Valid range 0-15 +# Defaults to 1 +#DiscardTimeout = 1 + +# Interval between received segments of a message. This is used to control rate +# of transmission of acknowledgment messages. +# Increment is measured in milliseconds and calculated using the following +# formula: +# +# (ReceiverSegIntervalStep + 1) * 10 ms +# +# Valid range 0-15 +# Defaults to 5 +#ReceiverSegIntervalStep = 5 diff --git a/mesh/mesh.c b/mesh/mesh.c index f89230b6c..17236c110 100644 --- a/mesh/mesh.c +++ b/mesh/mesh.c @@ -248,16 +248,11 @@ void mesh_get_sar_receiver(void *sar_rxr) memcpy(sar_rxr, &mesh_sar_rxr, sizeof(struct mesh_sar_receiver)); } -static void parse_settings(const char *mesh_conf_fname) +static void parse_mesh_general(const struct l_settings *settings) { - struct l_settings *settings; char *str; uint32_t value; - settings = l_settings_new(); - if (!l_settings_load_from_file(settings, mesh_conf_fname)) - goto done; - str = l_settings_get_string(settings, "General", "Beacon"); if (str) { if (!strcasecmp(str, "true")) @@ -290,6 +285,79 @@ static void parse_settings(const char *mesh_conf_fname) if (l_settings_get_uint(settings, "General", "ProvTimeout", &value)) mesh.prov_timeout = value; +} + +static void parse_mesh_sar(const struct l_settings *settings) +{ + uint32_t value; + + if (l_settings_get_uint(settings, "SARTransmitter", "SegIntervalStep", + &value) && value <= 15) + mesh_sar_txr.seg_int_step = value; + + if (l_settings_get_uint(settings, "SARTransmitter", + "UnicastRetransCount", + &value) && value <= 15) + mesh_sar_txr.unicast_rtx_cnt = value; + + if (l_settings_get_uint(settings, "SARTransmitter", + "UnicastRetransWithoutProgressCount", + &value) && value <= 15) + mesh_sar_txr.unicast_rtx_without_prog_cnt = value; + + if (l_settings_get_uint(settings, "SARTransmitter", + "UnicastRetransIntervalStep", + &value) && value <= 15) + mesh_sar_txr.unicast_rtx_int_step = value; + + if (l_settings_get_uint(settings, "SARTransmitter", + "UnicastRetransIntervalIncrement", + &value) && value <= 15) + mesh_sar_txr.unicast_rtx_int_inc = value; + + if (l_settings_get_uint(settings, "SARTransmitter", + "MulticastRetransCount", + &value) && value <= 15) + mesh_sar_txr.multicast_rtx_cnt = value; + + if (l_settings_get_uint(settings, "SARTransmitter", + "MulticastRetransIntervalStep", + &value) && value <= 15) + mesh_sar_txr.multicast_rtx_int_step = value; + + if (l_settings_get_uint(settings, "SARReceiver", "SegmentsThreshold", + &value) && value <= 31) + mesh_sar_rxr.seg_threshold = value; + + if (l_settings_get_uint(settings, "SARReceiver", "AckDelayIncrement", + &value) && value <= 7) + mesh_sar_rxr.ack_delay_inc = value; + + if (l_settings_get_uint(settings, "SARReceiver", "AckRetransCount", + &value) && value <= 3) + mesh_sar_rxr.ack_rtx_cnt = value; + + if (l_settings_get_uint(settings, "SARReceiver", "DiscardTimeout", + &value) && value <= 15) + mesh_sar_rxr.discard_timeout = value; + + if (l_settings_get_uint(settings, "SARReceiver", + "ReceiverSegIntervalStep", + &value) && value <= 15) + mesh_sar_rxr.receiver_seg_int_step = value; +} + +static void parse_settings(const char *mesh_conf_fname) +{ + struct l_settings *settings; + + settings = l_settings_new(); + if (!l_settings_load_from_file(settings, mesh_conf_fname)) + goto done; + + parse_mesh_general(settings); + parse_mesh_sar(settings); + done: l_settings_free(settings); }