diff options
Diffstat (limited to 'GPL/traffic_profiles/trex/trex-astf-ethip4udp-4096h-pps.py')
| -rw-r--r-- | GPL/traffic_profiles/trex/trex-astf-ethip4udp-4096h-pps.py | 82 |
1 files changed, 39 insertions, 43 deletions
diff --git a/GPL/traffic_profiles/trex/trex-astf-ethip4udp-4096h-pps.py b/GPL/traffic_profiles/trex/trex-astf-ethip4udp-4096h-pps.py index 00dbeee308..5de25273ef 100644 --- a/GPL/traffic_profiles/trex/trex-astf-ethip4udp-4096h-pps.py +++ b/GPL/traffic_profiles/trex/trex-astf-ethip4udp-4096h-pps.py @@ -1,4 +1,4 @@ -# Copyright (c) 2021 Cisco and/or its affiliates. +# Copyright (c) 2022 Cisco and/or its affiliates. # # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later # @@ -46,84 +46,80 @@ from profile_trex_astf_base_class import TrafficProfileBaseClass class TrafficProfile(TrafficProfileBaseClass): """Traffic profile.""" - def __init__(self, **kwargs): - """Initialization and setting of profile parameters.""" - - super(TrafficProfileBaseClass, self).__init__() - - # IPs used in packet headers. - self.p1_src_start_ip = u"192.168.0.0" - self.p1_src_end_ip = u"192.168.15.255" - self.p1_dst_start_ip = u"20.0.0.0" - self.p1_dst_end_ip = u"20.0.15.255" - - self.headers_size = 42 # 14B l2 + 20B ipv4 + 8B UDP - - self.udp_data = u"" - - self.n_data = 32 # TODO: set via input parameter - self.m_delay = 2000000 # delay 2000s (2,000,000 ms) - self.u_delay = 1000 * self.m_delay # delay 2000s (2,000,000,000 us) - self.limit = 258048 - def define_profile(self): """Define profile to be used by advanced stateful traffic generator. This method MUST return: - return ip_gen, templates + return ip_gen, templates, None :returns: IP generator and profile templates for ASTFProfile(). :rtype: tuple """ - if self.framesize == 64: - self.udp_data += self._gen_padding(self.headers_size, 72) - if self.framesize == 1518: - self.udp_data += self._gen_padding(self.headers_size, 1514) + # IPs used in packet headers. + p1_src_start_ip = u"192.168.0.0" + p1_src_end_ip = u"192.168.15.255" + p1_dst_start_ip = u"20.0.0.0" + p1_dst_end_ip = u"20.0.15.255" + + # The difference between data size and frame size. + headers_size = 46 # 18B L2 + 20B IPv4 + 8B UDP. + + # TODO: Use the "connection protocol" from CPS traffic profile? + # Currently, the first data packet is all DUT sees about the session. + + # Avoid sending keepalives. + m_delay = 2000000 # delay 2000s (2,000,000 ms) + + # Data, not padded yet. + udp_data = u"" + # Pad the data to achieve the intended frame size. + udp_data += self._gen_padding(headers_size) + + # Safety check, the current programs send at least 1 packet. + if self.n_data_frames < 1: + raise RuntimeError("n_data_frames < 1: {self.n_data_frames}") # Client program. prog_c = ASTFProgram(stream=False) - prog_c.set_keepalive_msg(self.m_delay) - prog_c.send_msg(self.udp_data) - # No delay, PPS tests combine connect and data send (no data receive). - prog_c.set_var(u"var1", self.n_data) + prog_c.set_keepalive_msg(m_delay) + prog_c.set_var(u"var1", self.n_data_frames) prog_c.set_label(u"a:") - prog_c.send_msg(self.udp_data) + prog_c.send_msg(udp_data) prog_c.jmp_nz(u"var1", u"a:") # We should read the server response, # but no reason to overload client workers even more. # Server program. prog_s = ASTFProgram(stream=False) - prog_s.set_keepalive_msg(self.m_delay) + prog_s.set_keepalive_msg(m_delay) # If server closes too soon, new instances are started # leading in too much replies. To prevent that, we need to recv all. - prog_s.recv_msg(1 + self.n_data) + prog_s.recv_msg(self.n_data_frames) # In packet loss scenarios, some instances never get here. # This maybe increases server traffic duration, # but no other way if we want to avoid # TRex creating a second instance of the same server. - prog_s.send_msg(self.udp_data) - prog_s.set_var(u"var2", self.n_data) + prog_s.set_var(u"var2", self.n_data_frames) prog_s.set_label(u"b:") - prog_s.send_msg(self.udp_data) + prog_s.send_msg(udp_data) prog_s.jmp_nz(u"var2", u"b:") # VPP never duplicates packets, # so it is safe to close the server instance now. # ip generators ip_gen_c = ASTFIPGenDist( - ip_range=[self.p1_src_start_ip, self.p1_src_end_ip], - distribution=u"seq" + ip_range=[p1_src_start_ip, p1_src_end_ip], + distribution=u"seq", ) ip_gen_s = ASTFIPGenDist( - ip_range=[self.p1_dst_start_ip, self.p1_dst_end_ip], - distribution=u"seq" + ip_range=[p1_dst_start_ip, p1_dst_end_ip], + distribution=u"seq", ) ip_gen = ASTFIPGen( glob=ASTFIPGenGlobal(ip_offset=u"0.0.0.1"), dist_client=ip_gen_c, - dist_server=ip_gen_s + dist_server=ip_gen_s, ) # server association @@ -133,8 +129,8 @@ class TrafficProfile(TrafficProfileBaseClass): temp_c = ASTFTCPClientTemplate( program=prog_c, ip_gen=ip_gen, - limit=self.limit, - port=8080 + limit=258048, # TODO: Any benefit of making this configurable? + port=8080, ) temp_s = ASTFTCPServerTemplate(program=prog_s, assoc=s_assoc) template = ASTFTemplate(client_template=temp_c, server_template=temp_s) |