Signed-off-by: FUJITA Tomonori <fujita.tomon...@lab.ntt.co.jp>
---
ryu/ofproto/nx_match.py | 19 +++++++++++++++++++
ryu/ofproto/ofproto_v1_0.py | 2 ++
2 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/ryu/ofproto/nx_match.py b/ryu/ofproto/nx_match.py
index 8af6b2b..14b7428 100644
--- a/ryu/ofproto/nx_match.py
+++ b/ryu/ofproto/nx_match.py
@@ -38,6 +38,7 @@ FWW_DL_TYPE = 1 << 4
FWW_ETH_MCAST = 1 << 1
FWW_NW_DSCP = 1 << 6
FWW_NW_ECN = 1 << 7
+FWW_NW_TTL = 1 << 8
FWW_ALL = (1 << 13) - 1
# Ethernet types, for set_dl_type()
@@ -66,6 +67,7 @@ class Flow(object):
self.dl_type = 0
self.nw_tos = 0
self.vlan_tci = 0
+ self.nw_ttl = 0
class FlowWildcards(object):
@@ -165,6 +167,10 @@ class ClsRule(object):
self.flow.nw_tos &= ~IP_ECN_MASK
self.flow.nw_tos |= nw_ecn & IP_ECN_MASK
+ def set_nw_ttl(self, nw_ttl):
+ self.wc.wildcards &= ~FWW_NW_TTL
+ self.flow.nw_ttl = nw_ttl
+
def flow_format(self):
# Tunnel ID is only supported by NXM
if self.wc.tun_id_mask != 0:
@@ -359,6 +365,17 @@ class MFIPECN(MFField):
rule.flow.nw_tos & IP_ECN_MASK)
+@_register_make
+@_set_nxm_headers([ofproto_v1_0.NXM_NX_IP_TTL])
+class MFIPTTL(MFField):
+ @classmethod
+ def make(cls):
+ return cls(MF_PACK_STRING_8)
+
+ def put(self, buf, offset, rule):
+ return self._put(buf, offset, rule.flow.nw_ttl)
+
+
def serialize_nxm_match(rule, buf, offset):
old_offset = offset
@@ -385,6 +402,8 @@ def serialize_nxm_match(rule, buf, offset):
offset += nxm_put(buf, offset, ofproto_v1_0.NXM_OF_IP_TOS, rule)
if not rule.wc.wildcards & FWW_NW_ECN:
offset += nxm_put(buf, offset, ofproto_v1_0.NXM_NX_IP_ECN, rule)
+ if not rule.wc.wildcards & FWW_NW_TTL:
+ offset += nxm_put(buf, offset, ofproto_v1_0.NXM_NX_IP_TTL, rule)
# XXX: IP Source and Destination
# XXX: IPv6
# XXX: ARP
diff --git a/ryu/ofproto/ofproto_v1_0.py b/ryu/ofproto/ofproto_v1_0.py
index 1ea0e03..4be305c 100644
--- a/ryu/ofproto/ofproto_v1_0.py
+++ b/ryu/ofproto/ofproto_v1_0.py
@@ -715,6 +715,8 @@ NXM_NX_ND_TLL = nxm_header(0x0001, 25, 6)
NXM_NX_IP_ECN = nxm_header(0x0001, 28, 1)
+NXM_NX_IP_TTL = nxm_header(0x0001, 29, 1)
+
def nxm_nx_reg(idx):
return nxm_header(0x0001, idx, 4)
--
1.7.4.4
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