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nicira_ext: Constants for IP fragment matching

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Signed-off-by: Satoshi Fujimoto <satoshi.fujimoto7@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
surlyjake 2017-03-28 13:03:02 +09:00 committed by FUJITA Tomonori
parent e1741b7d77
commit 468f471f87
1 changed files with 12 additions and 0 deletions
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12
ryu/ofproto/nicira_ext.py
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@ -277,6 +277,18 @@ NX_NAT_RANGE_IPV6_MAX = 1 << 3
NX_NAT_RANGE_PROTO_MIN = 1 << 4
NX_NAT_RANGE_PROTO_MAX = 1 << 5
# nx ip_frag constants
FLOW_NW_FRAG_ANY = 1 << 0 # Set for any IP frag.
FLOW_NW_FRAG_LATER = 1 << 1 # Set for IP frag with nonzero offset.
FLOW_NW_FRAG_MASK = FLOW_NW_FRAG_ANY | FLOW_NW_FRAG_LATER
# nx ip_frag match values
NXM_IP_FRAG_NO = (0, FLOW_NW_FRAG_MASK)
NXM_IP_FRAG_YES = (FLOW_NW_FRAG_ANY, FLOW_NW_FRAG_ANY)
NXM_IP_FRAG_FIRST = (FLOW_NW_FRAG_ANY, FLOW_NW_FRAG_MASK)
NXM_IP_FRAG_LATER = (FLOW_NW_FRAG_LATER, FLOW_NW_FRAG_LATER)
NXM_IP_FRAG_NOT_LATER = (0, FLOW_NW_FRAG_LATER)
def ofs_nbits(start, end):
"""