fix packet playload length without vlan tag, ensure that
the minimum packet size is 64 bytes with or without the vlan tag
Change-Id: Iabea46756905e3b16791436642cdca58ec8fed6f
Signed-off-by: louie.long <longyu805@163.com>
return result
def create_pkt(self, stream_cfg, l2frame_size):
return result
def create_pkt(self, stream_cfg, l2frame_size):
- # 46 = 14 (Ethernet II) + 4 (CRC Checksum) + 20 (IPv4) + 8 (UDP)
- payload = 'x' * (max(64, int(l2frame_size)) - 46)
pkt_base = Ether(src=stream_cfg['mac_src'], dst=stream_cfg['mac_dst'])
if stream_cfg['vlan_tag'] is not None:
pkt_base = Ether(src=stream_cfg['mac_src'], dst=stream_cfg['mac_dst'])
if stream_cfg['vlan_tag'] is not None:
+ # 50 = 14 (Ethernet II) + 4 (Vlan tag) + 4 (CRC Checksum) + 20 (IPv4) + 8 (UDP)
pkt_base /= Dot1Q(vlan=stream_cfg['vlan_tag'])
pkt_base /= Dot1Q(vlan=stream_cfg['vlan_tag'])
+ payload = 'x' * (max(64, int(l2frame_size)) - 50)
+ else:
+ # 46 = 14 (Ethernet II) + 4 (CRC Checksum) + 20 (IPv4) + 8 (UDP)
+ payload = 'x' * (max(64, int(l2frame_size)) - 46)
udp_args = {}
if stream_cfg['udp_src_port']:
udp_args = {}
if stream_cfg['udp_src_port']: