Signed-off-by: Simon Horman <ho...@verge.net.au>

---

v4
* Rebase
---
 lib/ofp-util.c    |   14 ++++++++++++--
 lib/ofp-util.h    |    2 ++
 ofproto/connmgr.c |    9 ++++++++-
 3 files changed, 22 insertions(+), 3 deletions(-)

diff --git a/lib/ofp-util.c b/lib/ofp-util.c
index 9307cf2..c99a133 100644
--- a/lib/ofp-util.c
+++ b/lib/ofp-util.c
@@ -625,9 +625,10 @@ ofputil_protocol_to_ofp_version(enum ofputil_protocol 
protocol)
         return OFP10_VERSION;
     case OFPUTIL_P_OF12:
         return OFP12_VERSION;
+    case OFPUTIL_P_NONE:
+    default:
+        NOT_REACHED();
     }
-
-    NOT_REACHED();
 }
 
 /* Returns true if 'protocol' is a single OFPUTIL_P_* value, false
@@ -663,6 +664,7 @@ ofputil_protocol_set_tid(enum ofputil_protocol protocol, 
bool enable)
     case OFPUTIL_P_OF12:
         return OFPUTIL_P_OF12;
 
+    case OFPUTIL_P_NONE:
     default:
         NOT_REACHED();
     }
@@ -697,6 +699,7 @@ ofputil_protocol_set_base(enum ofputil_protocol cur,
     case OFPUTIL_P_OF12:
         return ofputil_protocol_set_tid(OFPUTIL_P_OF12, tid);
 
+    case OFPUTIL_P_NONE:
     default:
         NOT_REACHED();
     }
@@ -727,6 +730,9 @@ ofputil_protocol_to_string(enum ofputil_protocol protocol)
 
     case OFPUTIL_P_OF12:
         return "OpenFlow12";
+
+    case OFPUTIL_P_NONE:
+        NOT_REACHED();
     }
 
     /* Check abbreviations. */
@@ -1217,6 +1223,7 @@ ofputil_encode_set_protocol(enum ofputil_protocol current,
 
         case OFPUTIL_P_OF10_TID:
         case OFPUTIL_P_NXM_TID:
+        case OFPUTIL_P_NONE:
             NOT_REACHED();
         }
     }
@@ -1558,6 +1565,7 @@ ofputil_encode_flow_mod(const struct ofputil_flow_mod *fm,
         break;
     }
 
+    case OFPUTIL_P_NONE:
     default:
         NOT_REACHED();
     }
@@ -1762,6 +1770,7 @@ ofputil_encode_flow_stats_request(const struct 
ofputil_flow_stats_request *fsr,
         break;
     }
 
+    case OFPUTIL_P_NONE:
     default:
         NOT_REACHED();
     }
@@ -2256,6 +2265,7 @@ ofputil_encode_flow_removed(const struct 
ofputil_flow_removed *fr,
         break;
     }
 
+    case OFPUTIL_P_NONE:
     default:
         NOT_REACHED();
     }
diff --git a/lib/ofp-util.h b/lib/ofp-util.h
index 93ccf50..7ed475f 100644
--- a/lib/ofp-util.h
+++ b/lib/ofp-util.h
@@ -58,6 +58,8 @@ int ofputil_netmask_to_wcbits(ovs_be32 netmask);
  * to implement set union and intersection.
  */
 enum ofputil_protocol {
+    OFPUTIL_P_NONE     = 0,
+
     /* OpenFlow 1.0-based protocols. */
     OFPUTIL_P_OF10     = 1 << 0, /* OpenFlow 1.0 flow format. */
     OFPUTIL_P_OF10_TID = 1 << 1, /* OF1.0 + flow_mod_table_id extension. */
diff --git a/ofproto/connmgr.c b/ofproto/connmgr.c
index ba93a1d..ce4b9cc 100644
--- a/ofproto/connmgr.c
+++ b/ofproto/connmgr.c
@@ -1034,7 +1034,7 @@ ofconn_flush(struct ofconn *ofconn)
     int i;
 
     ofconn->role = NX_ROLE_OTHER;
-    ofconn->protocol = OFPUTIL_P_OF10;
+    ofconn->protocol = OFPUTIL_P_NONE;
     ofconn->packet_in_format = NXPIF_OPENFLOW10;
 
     /* Disassociate 'ofconn' from all of the ofopgroups that it initiated that
@@ -1181,6 +1181,13 @@ ofconn_run(struct ofconn *ofconn,
             of_msg = (ofconn->blocked
                       ? ofconn->blocked
                       : rconn_recv(ofconn->rconn));
+            if (ofconn_get_protocol(ofconn) == OFPUTIL_P_NONE) {
+                int version = rconn_get_version(ofconn->rconn);
+                if (version > 0) {
+                    ofconn_set_protocol(ofconn,
+                                ofputil_protocol_from_ofp_version(version));
+                }
+            }
             if (!of_msg) {
                 break;
             }
-- 
1.7.10.4

_______________________________________________
dev mailing list
dev@openvswitch.org
http://openvswitch.org/mailman/listinfo/dev

Reply via email to