diff options
Diffstat (limited to 'scripts/stl/udp_1pkt_src_ip_split.py')
| -rw-r--r-- | scripts/stl/udp_1pkt_src_ip_split.py | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/scripts/stl/udp_1pkt_src_ip_split.py b/scripts/stl/udp_1pkt_src_ip_split.py index 778ccf54..99e7496c 100644 --- a/scripts/stl/udp_1pkt_src_ip_split.py +++ b/scripts/stl/udp_1pkt_src_ip_split.py @@ -8,11 +8,15 @@ class STLS1(object): def __init__ (self): self.fsize =64; - def create_stream (self): - # create a base packet and pad it to size - size = self.fsize - 4; # no FCS + def create_stream (self, direction, cache_size): + # Create base packet and pad it to size + size = self.fsize - 4; # HW will add 4 bytes ethernet FCS + src_ip = '16.0.0.1' + dst_ip = '48.0.0.1' + if direction: + src_ip, dst_ip = dst_ip, src_ip - base_pkt = Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025) + base_pkt = Ether()/IP(src=src_ip,dst=dst_ip)/UDP(dport=12,sport=1025) pad = max(0, size - len(base_pkt)) * 'x' @@ -22,7 +26,7 @@ class STLS1(object): STLVmFixIpv4(offset = "IP") # fix checksum ] ,split_by_field = "ip_src" # split to cores base on the tuple generator - ,cache_size =255 # the cache size + ,cache_size = cache_size # the cache size ); pkt = STLPktBuilder(pkt = base_pkt/pad, @@ -33,9 +37,9 @@ class STLS1(object): return stream - def get_streams (self, direction = 0, **kwargs): + def get_streams (self, direction = 0, cache_size = 255, **kwargs): # create 1 stream - return [ self.create_stream() ] + return [ self.create_stream(direction, cache_size) ] # dynamic load - used for trex console or simulator |