netflow: Increase maximum number of NetFlow records to 30.

[openvswitch] / secchan / netflow.c

diff --git a/secchan/netflow.c b/secchan/netflow.c
index 5d90eea3c622dd541fe51cfb1ce784c7001cbdfa..7912b4b88dd5dc901d583875847498a4fe8821ce 100644 (file)
--- a/secchan/netflow.c
+++ b/secchan/netflow.c
@@ -1,17 +1,17 @@
 /*
  * Copyright (c) 2008, 2009 Nicira Networks.
  *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
  *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 #include <config.h>
@@ -107,7 +107,7 @@ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
 static int
 open_collector(char *dst)
 {
-    char *save_ptr;
+    char *save_ptr = NULL;
     const char *host_name;
     const char *port_string;
     struct sockaddr_in sin;
@@ -197,7 +197,6 @@ netflow_expire(struct netflow *nf, const struct ofexpired *expired)
         uint16_t iface = (nf->engine_id & 0x7f) << 9;
         nf_rec->input = htons(iface | (expired->flow.in_port & 0x1ff));
         nf_rec->output = htons(iface);
-        printf("input: %x\n", ntohs(nf_rec->input));
     } else {
         nf_rec->input = htons(expired->flow.in_port);
         nf_rec->output = htons(0);
@@ -222,9 +221,8 @@ netflow_expire(struct netflow *nf, const struct ofexpired *expired)
     nf_rec->ip_proto = expired->flow.nw_proto;
     nf_rec->ip_tos = expired->ip_tos;
 
-    /* NetFlow messages are limited to 30 records.  A length of 1400
-     * bytes guarantees that the limit is not exceeded.  */
-    if (nf->packet.size >= 1400) {
+    /* NetFlow messages are limited to 30 records. */
+    if (ntohs(nf_hdr->count) >= 30) {
         netflow_run(nf);
     }
 }