From: Ben Pfaff <blp@nicira.com>
Date: Thu, 11 Sep 2008 02:59:26 +0000 (-0700)
Subject: Get rid of OFP_MAXLEN.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;ds=sidebyside;h=74cacf6067201633fa1eefd84aabfb6f3385465f;p=openvswitch

Get rid of OFP_MAXLEN.

Statistics or vendor extensions can fill up the whole 64 kB.
---

diff --git a/include/openflow.h b/include/openflow.h
index e77dd714..6f38ec8b 100644
--- a/include/openflow.h
+++ b/include/openflow.h
@@ -60,11 +60,6 @@
 #define OFP_PACKED              /* SWIG doesn't understand __attribute. */
 #endif
 
-/* Maximum length of a OpenFlow packet. */
-#define OFP_MAXLEN (sizeof(struct ofp_switch_features) \
-        + (sizeof(struct ofp_phy_port) * OFPP_MAX) + 200)
-
-
 /* The most significant bit being set in the version field indicates an
  * experimental OpenFlow version.  
  */
diff --git a/lib/dpif.c b/lib/dpif.c
index 4f993123..4a60334a 100644
--- a/lib/dpif.c
+++ b/lib/dpif.c
@@ -111,7 +111,7 @@ static const struct nl_policy openflow_policy[] = {
     [DP_GENL_A_DP_IDX] = { .type = NL_A_U32 },
     [DP_GENL_A_OPENFLOW] = { .type = NL_A_UNSPEC,
                               .min_len = sizeof(struct ofp_header),
-                              .max_len = OFP_MAXLEN },
+                              .max_len = 65535 },
 };
 
 /* Tries to receive an openflow message from the kernel on 'sock'.  If