v1.5:

FEATURES:

• Add link rate statistics out side UI.
• Make mbuf fragment size configurable.
• Add CLI/RPC command for clearing all statistics.
• Add protobuf infrastructure for querying/clearing all types of stats.
• Add set syslog CLI for changing log level.
• Add proper cmdline parsing and usage printing.
• Add support for TCP Delayed Ack (rfc1122, section 4.2.3.2).
• Add --mpool-any-sock command line option.
• Add support for custom HTTP fields.
• Add support for configuring ToS/DSCP/ECN.
• Add UDP multicast-src test cases.
• Add support for latency measurement.

FIXED ISSUES:

• Fix memory allocation for def gw.
• Fix L4 requeuing for RAW application traffic.
• Cancel TCP retransmission timers once data is ack-ed.
• Add workaround for changing X(L)710 port states.
• Trim IP packets if padding was present.
• Fix TCP segment reassembly.
• Fix computation of "TCP data bytes sent".
• Fix clearing of (extended) link stats.
• Fix test case rate limits (open/close/send).
• Fix Multicast IP address detection.

KNOWN ISSUES:

• See v1.4.

API CHANGES:

• Change RawStats and HttpStats (request/responses) to uint64.
• Remove LinkStats and IpStats from TestStatusResult.
• Add SetIpv4Sockopt/GetIpv4Sockopt RPC APIs for configuring IPv4 socket options.
• Add GetStatistics/ClearStatistics RPC APIs for querying/clearing per-port statistics.
• Add required tcs_latency_stats field in TestCaseStats returned by the GetTestStatus RPC API.
• Add optional tc_latency config field to TestCase config messages.