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twamp: improved decoding of Request-Session 

Added decoding and display of "Number of Schedule Slots"
and "Number of Packets" parameters contained in Request-Session
message in TWAMP Control protocol, in accordance with RFC-4656.
This commit is contained in:
Vivek Mangala 2021-09-15 14:37:35 +05:30 committed by Wireshark GitLab Utility
parent 24af672884
commit 6c066adad7
1 changed files with 15 additions and 1 deletions
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16
epan/dissectors/packet-twamp.c
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@ -123,6 +123,8 @@ static int hf_twamp_control_iv = -1;
static int hf_twamp_control_ipvn = -1;
static int hf_twamp_control_conf_sender = -1;
static int hf_twamp_control_conf_receiver = -1;
static int hf_twamp_control_number_of_schedule_slots = -1;
static int hf_twamp_control_number_of_packets = -1;
static int hf_twamp_control_start_time = -1;
static int hf_twamp_control_accept = -1;
static int hf_twamp_control_timeout = -1;
@ -380,8 +382,14 @@ dissect_twamp_control(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void
offset += 1;
proto_tree_add_item(twamp_tree, hf_twamp_control_conf_receiver, tvb, offset, 1, ENC_NA);
offset += 1;
proto_tree_add_item(twamp_tree, hf_twamp_control_number_of_schedule_slots, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
proto_tree_add_item(twamp_tree, hf_twamp_control_number_of_packets, tvb, offset, 4, ENC_BIG_ENDIAN);
offset += 4;
offset = 12;
proto_tree_add_item(twamp_tree, hf_twamp_control_sender_port, tvb, offset, 2, ENC_BIG_ENDIAN);
offset += 2;
proto_tree_add_item(twamp_tree, hf_twamp_control_receiver_port, tvb, offset, 2, ENC_BIG_ENDIAN);
@ -749,6 +757,12 @@ void proto_register_twamp(void)
{&hf_twamp_control_conf_receiver,
{"Conf-Receiver", "twamp.control.conf_receiver", FT_UINT8, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{&hf_twamp_control_number_of_schedule_slots,
{"Number of Schedule Slots", "twamp.control.number_of_schedule_slots", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{&hf_twamp_control_number_of_packets,
{"Number of Packets", "twamp.control.number_of_packets", FT_UINT32, BASE_DEC, NULL, 0x0, NULL, HFILL}
},
{&hf_twamp_control_sender_ipv4,
{"Sender Address", "twamp.control.sender_ipv4", FT_IPv4, BASE_NONE, NULL, 0x0,
"IPv4 sender address want to use in test packets", HFILL}