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nxm: add NXM_OF_ICMP_TYPE and NXM_OF_ICMP_ICMP_CODE support

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Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Reviewed-by: Simon Horman <horms@verge.net.au>
This commit is contained in:
FUJITA Tomonori 2012-06-10 09:37:07 +09:00
parent 370d8d2b2f
commit 039aef2851
1 changed files with 40 additions and 0 deletions
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40
ryu/ofproto/nx_match.py
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@ -49,6 +49,8 @@ ETH_TYPE_VLAN = 0x8100
ETH_TYPE_IPV6 = 0x86dd
ETH_TYPE_LACP = 0x8809
IPPROTO_ICMP = 1
IP_ECN_MASK = 0x03
IP_DSCP_MASK = 0xfc
@ -168,6 +170,12 @@ class ClsRule(object):
self.flow.nw_tos &= ~IP_DSCP_MASK
self.flow.nw_tos |= nw_dscp & IP_DSCP_MASK
def set_icmp_type(self, icmp_type):
self.set_tp_src(icmp_type)
def set_icmp_code(self, icmp_code):
self.set_tp_dst(icmp_code)
def set_tun_id(self, tun_id):
self.set_tun_id_masked(tun_id, UINT64_MAX)
@ -472,6 +480,28 @@ class MFArpTha(MFField):
return self._put(buf, offset, rule.flow.arp_tha)
@_register_make
@_set_nxm_headers([ofproto_v1_0.NXM_OF_ICMP_TYPE])
class MFICMPType(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_src)
@_register_make
@_set_nxm_headers([ofproto_v1_0.NXM_OF_ICMP_CODE])
class MFICMPCode(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_dst)
def serialize_nxm_match(rule, buf, offset):
old_offset = offset
@ -513,6 +543,16 @@ def serialize_nxm_match(rule, buf, offset):
offset += nxm_put(buf, offset, ofproto_v1_0.NXM_NX_IP_TTL, rule)
if not rule.wc.wildcards & FWW_NW_PROTO:
offset += nxm_put(buf, offset, ofproto_v1_0.NXM_OF_IP_PROTO, rule)
if not rule.wc.wildcards & FWW_NW_PROTO and (rule.flow.nw_proto
== IPPROTO_ICMP):
if rule.wc.tp_src_mask != 0:
offset += nxm_put(buf, offset, ofproto_v1_0.NXM_OF_ICMP_TYPE, rule)
elif rule.wc.tp_dst_mask != 0:
offset += nxm_put(buf, offset, ofproto_v1_0.NXM_OF_ICMP_CODE, rule)
else:
pass
if rule.flow.tp_src != 0:
if rule.flow.nw_proto == 6:
if rule.wc.tp_src_mask == UINT16_MAX: