From ec7123d0118919b2cdb9e9f24a8a46c5cd56e2eb Mon Sep 17 00:00:00 2001 From: Srini Seetharaman Date: Sun, 5 Jan 2014 10:12:55 -0800 Subject: [PATCH] Setting highest rule priority to LLDP packets in topology discovery Signed-off-by: Srini Seetharaman --- ryu/topology/switches.py | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/ryu/topology/switches.py b/ryu/topology/switches.py index 3fda046..7a2da6d 100644 --- a/ryu/topology/switches.py +++ b/ryu/topology/switches.py @@ -546,7 +546,8 @@ class Switches(app_manager.RyuApp): ofproto.OFPP_CONTROLLER, self.LLDP_PACKET_LEN)] dp.send_flow_mod( rule=rule, cookie=0, command=ofproto.OFPFC_ADD, - idle_timeout=0, hard_timeout=0, actions=actions) + idle_timeout=0, hard_timeout=0, actions=actions, + priority=0xFFFF) elif ofproto.OFP_VERSION == ofproto_v1_3.OFP_VERSION: match = ofproto_parser.OFPMatch( eth_type=ETH_TYPE_LLDP, @@ -561,7 +562,8 @@ class Switches(app_manager.RyuApp): ofproto.OFPIT_APPLY_ACTIONS, actions)] mod = parser.OFPFlowMod(datapath=dp, match=match, idle_timeout=0, hard_timeout=0, - instructions=inst) + instructions=inst, + priority=0xFFFF) dp.send_msg(mod) else: LOG.error('cannot install flow. unsupported version. %x', -- 1.7.9