diff options
| author | Isaku Yamahata <yamahata@valinux.co.jp> | 2013-03-29 12:51:02 +0900 |
|---|---|---|
| committer | FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> | 2013-03-31 18:21:01 +0900 |
| commit | e1414b7fbe2d8d6a20aa4654860453a0ed7bff71 (patch) | |
| tree | b227ad8096f608dc3499f73e1730bf48eaf23e3b | |
| parent | 4053cda285fab0f896be55d75e11bf0e4283188c (diff) | |
lib/packet/tcp: use checksum_ip()
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
| -rw-r--r-- | ryu/lib/packet/tcp.py | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/ryu/lib/packet/tcp.py b/ryu/lib/packet/tcp.py index a225847c..a7ef178c 100644 --- a/ryu/lib/packet/tcp.py +++ b/ryu/lib/packet/tcp.py @@ -17,7 +17,6 @@ import struct from . import packet_base from . import packet_utils -import ipv4 class tcp(packet_base.PacketBase): @@ -66,12 +65,6 @@ class tcp(packet_base.PacketBase): if self.csum == 0: length = self.length + len(payload) - if prev.version == 4: - ph = struct.pack('!IIBBH', prev.src, prev.dst, 0, 6, length) - elif prev.version == 6: - ph = struct.pack('!16s16sBBH', prev.src, prev.dst, 0, 6, - length) - f = ph + h + payload - self.csum = packet_utils.checksum(f) + self.csum = packet_utils.checksum_ip(prev, length, h + payload) struct.pack_into('!H', h, 16, self.csum) return h |