openstack/os-ken
Code Issues Proposed changes

rest_router: support OF 1.3

Browse Source 
Signed-off-by: Yuichi Ito <ito.yuichi0@gmail.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
This commit is contained in:
Yuichi Ito 2013-11-25 15:44:29 +09:00 committed by FUJITA Tomonori
parent 5dfb0ffb45
commit ad79fbd081
1 changed files with 75 additions and 24 deletions
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99
ryu/app/rest_router.py
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@ -46,6 +46,7 @@ from ryu.ofproto import ether
from ryu.ofproto import inet
from ryu.ofproto import ofproto_v1_0
from ryu.ofproto import ofproto_v1_2
from ryu.ofproto import ofproto_v1_3
#=============================
@ -206,7 +207,8 @@ class CommandFailure(RyuException):
class RestRouterAPI(app_manager.RyuApp):
OFP_VERSIONS = [ofproto_v1_0.OFP_VERSION,
ofproto_v1_2.OFP_VERSION]
ofproto_v1_2.OFP_VERSION,
ofproto_v1_3.OFP_VERSION]
_CONTEXTS = {'dpset': dpset.DPSet,
'wsgi': WSGIApplication}
@ -276,7 +278,11 @@ class RestRouterAPI(app_manager.RyuApp):
event, msgs = self.waiters[dp.id][msg.xid]
msgs.append(msg)
if msg.flags & dp.ofproto.OFPSF_REPLY_MORE:
if ofproto_v1_3.OFP_VERSION == dp.ofproto.OFP_VERSION:
more = dp.ofproto.OFPMPF_REPLY_MORE
else:
more = dp.ofproto.OFPSF_REPLY_MORE
if msg.flags & more:
return
del self.waiters[dp.id][msg.xid]
event.set()
@ -286,7 +292,7 @@ class RestRouterAPI(app_manager.RyuApp):
def stats_reply_handler_v1_0(self, ev):
self._stats_reply_handler(ev)
# for OpenFlow version1.2
# for OpenFlow version1.2/1.3
@set_ev_cls(ofp_event.EventOFPStatsReply, MAIN_DISPATCHER)
def stats_reply_handler_v1_2(self, ev):
self._stats_reply_handler(ev)
@ -441,7 +447,7 @@ class Router(dict):
ofctl = OfCtl.factory(dp, logger)
cookie = COOKIE_DEFAULT_ID
# Set SW config: TTL error packet in (only OFPv1.2)
# Set SW config: TTL error packet in (for OFPv1.2/1.3)
ofctl.set_sw_config_for_ttl()
# Set flow: ARP handling (packet in)
@ -925,9 +931,10 @@ class VlanRouter(object):
return relate_list
def packet_in_handler(self, msg, header_list):
# Check invalid TTL (only OpenFlow V1.2)
# Check invalid TTL (for OpenFlow V1.2/1.3)
ofproto = self.dp.ofproto
if ofproto.OFP_VERSION == ofproto_v1_2.OFP_VERSION:
if ofproto.OFP_VERSION == ofproto_v1_2.OFP_VERSION or \
ofproto.OFP_VERSION == ofproto_v1_3.OFP_VERSION:
if msg.reason == ofproto.OFPR_INVALID_TTL:
self._packetin_invalid_ttl(msg, header_list)
return
@ -1458,7 +1465,7 @@ class OfCtl(object):
self.logger = logger
def set_sw_config_for_ttl(self):
# OpenFlow v1_2 only.
# OpenFlow v1_2/1_3.
pass
def set_flow(self, cookie, priority, dl_type=0, dl_dst=0, dl_vlan=0,
@ -1683,20 +1690,13 @@ class OfCtl_v1_0(OfCtl):
self.logger.info('Delete flow [cookie=0x%x]', cookie, extra=self.sw_id)
@OfCtl.register_of_version(ofproto_v1_2.OFP_VERSION)
class OfCtl_v1_2(OfCtl):
class OfCtl_after_v1_2(OfCtl):
def __init__(self, dp, logger):
super(OfCtl_v1_2, self).__init__(dp, logger)
super(OfCtl_after_v1_2, self).__init__(dp, logger)
def set_sw_config_for_ttl(self):
flags = self.dp.ofproto.OFPC_INVALID_TTL_TO_CONTROLLER
miss_send_len = UINT16_MAX
m = self.dp.ofproto_parser.OFPSetConfig(self.dp, flags,
miss_send_len)
self.dp.send_msg(m)
self.logger.info('Set SW config for TTL error packet in.',
extra=self.sw_id)
pass
def get_packetin_inport(self, msg):
in_port = self.dp.ofproto.OFPP_ANY
@ -1707,13 +1707,7 @@ class OfCtl_v1_2(OfCtl):
return in_port
def get_all_flow(self, waiters):
ofp = self.dp.ofproto
ofp_parser = self.dp.ofproto_parser
match = ofp_parser.OFPMatch()
stats = ofp_parser.OFPFlowStatsRequest(self.dp, 0, ofp.OFPP_ANY,
ofp.OFPG_ANY, 0, 0, match)
return self.send_stats_request(stats, waiters)
pass
def set_flow(self, cookie, priority, dl_type=0, dl_dst=0, dl_vlan=0,
nw_src=0, src_mask=32, nw_dst=0, dst_mask=32,
@ -1792,6 +1786,63 @@ class OfCtl_v1_2(OfCtl):
self.logger.info('Delete flow [cookie=0x%x]', cookie, extra=self.sw_id)
@OfCtl.register_of_version(ofproto_v1_2.OFP_VERSION)
class OfCtl_v1_2(OfCtl_after_v1_2):
def __init__(self, dp, logger):
super(OfCtl_v1_2, self).__init__(dp, logger)
def set_sw_config_for_ttl(self):
flags = self.dp.ofproto.OFPC_INVALID_TTL_TO_CONTROLLER
miss_send_len = UINT16_MAX
m = self.dp.ofproto_parser.OFPSetConfig(self.dp, flags,
miss_send_len)
self.dp.send_msg(m)
self.logger.info('Set SW config for TTL error packet in.',
extra=self.sw_id)
def get_all_flow(self, waiters):
ofp = self.dp.ofproto
ofp_parser = self.dp.ofproto_parser
match = ofp_parser.OFPMatch()
stats = ofp_parser.OFPFlowStatsRequest(self.dp, 0, ofp.OFPP_ANY,
ofp.OFPG_ANY, 0, 0, match)
return self.send_stats_request(stats, waiters)
@OfCtl.register_of_version(ofproto_v1_3.OFP_VERSION)
class OfCtl_v1_3(OfCtl_after_v1_2):
def __init__(self, dp, logger):
super(OfCtl_v1_3, self).__init__(dp, logger)
def set_sw_config_for_ttl(self):
packet_in_mask = (self.dp.ofproto.OFPR_ACTION |
self.dp.ofproto.OFPR_INVALID_TTL)
port_status_mask = (self.dp.ofproto.OFPPR_ADD |
self.dp.ofproto.OFPPR_DELETE |
self.dp.ofproto.OFPPR_MODIFY)
flow_removed_mask = (self.dp.ofproto.OFPRR_IDLE_TIMEOUT |
self.dp.ofproto.OFPRR_HARD_TIMEOUT |
self.dp.ofproto.OFPRR_DELETE)
m = self.dp.ofproto_parser.OFPSetAsync(
self.dp, [packet_in_mask, 0], [port_status_mask, 0],
[flow_removed_mask, 0])
self.dp.send_msg(m)
self.logger.info('Set SW config for TTL error packet in.',
extra=self.sw_id)
def get_all_flow(self, waiters):
ofp = self.dp.ofproto
ofp_parser = self.dp.ofproto_parser
match = ofp_parser.OFPMatch()
stats = ofp_parser.OFPFlowStatsRequest(self.dp, 0, 0, ofp.OFPP_ANY,
ofp.OFPG_ANY, 0, 0, match)
return self.send_stats_request(stats, waiters)
def ip_addr_aton(ip_str, err_msg=None):
try:
return addrconv.ipv4.bin_to_text(socket.inet_aton(ip_str))