Add the packet_injector tool to test the packet injection effect

test/conf/log.toml

@@ -0,0 +1,4 @@
+[log]
+output = stderr      # stderr, file
+level  = DEBUG       # TRACE, DEBUG, INFO, WARN, ERROR, FATAL
+file = "log/stellar.log"

test/conf/stellar.toml

@@ -0,0 +1,56 @@
+[device]
+base = 1   # [0, 31]
+offset = 2 # [0, 127]
+
+[packet_io]
+mode = marsio                        # dumpfile, marsio
+app_symbol = stellar
+dev_symbol = nf_0_fw
+
+dumpfile_dir = "/tmp/dumpfile/"
+nr_threads = 1                  # [1, 256]
+cpu_mask = [5]
+
+[ip_reassembly]
+enable = 1
+timeout = 10000    # range: [1, 60000] (ms)
+bucket_entries = 8 # range: [1, 256] (must be power of 2)
+bucket_num = 4096  # range: [1, 4294967295]
+
+[session_manager]
+# max session number
+max_tcp_session_num = 50000
+max_udp_session_num = 50000
+
+# session overload evict
+tcp_overload_evict_old_sess = 1 # 1: evict old session, 0: bypass new session
+udp_overload_evict_old_sess = 1 # 1: evict old session, 0: bypass new session
+
+# TCP timeout
+tcp_init_timeout = 5000           # range: [1, 60000] (ms)
+tcp_handshake_timeout = 5000      # range: [1, 60000] (ms)
+tcp_data_timeout = 5000           # range: [1, 15999999000] (ms)
+tcp_half_closed_timeout = 5000    # range: [1, 604800000] (ms)
+tcp_time_wait_timeout = 5000      # range: [1, 600000] (ms)
+tcp_discard_timeout = 10000       # range: [1, 15999999000] (ms)
+tcp_unverified_rst_timeout = 5000 # range: [1, 600000] (ms)
+# UDP timeout
+udp_data_timeout = 5000    # range: [1, 15999999000] (ms)
+udp_discard_timeout = 5000 # range: [1, 15999999000] (ms)
+
+# duplicate packet filter
+duplicated_packet_filter_enable = 1
+duplicated_packet_filter_capacity = 1000000   # range: [1, 4294967295]
+duplicated_packet_filter_timeout = 10000      # range: [1, 60000] (ms)
+duplicated_packet_filter_error_rate = 0.00001 # range: [0.0, 1.0]
+
+# evicted session filter
+evicted_session_filter_enable = 1
+evicted_session_filter_capacity = 1000000   # range: [1, 4294967295]
+evicted_session_filter_timeout = 10000      # range: [1, 60000] (ms)
+evicted_session_filter_error_rate = 0.00001 # range: [0.0, 1.0]
+
+# TCP reassembly (Per direction)
+tcp_reassembly_enable = 1
+tcp_reassembly_max_timeout = 10000 # range: [1, 60000] (ms)
+tcp_reassembly_max_segments = 128  # range: [2, 512]