svn commit: r239830 - stable/9/sys/netinet6

Bjoern A. Zeeb bz at FreeBSD.org
Wed Aug 29 13:10:35 UTC 2012


Author: bz
Date: Wed Aug 29 13:10:34 2012
New Revision: 239830
URL: http://svn.freebsd.org/changeset/base/239830

Log:
  MFC 238934:
  
    Improve the should-never-hit printf to ease debugging in case we'd ever hit
    it again when doing the delayed IPv6 checksum calculations.

Modified:
  stable/9/sys/netinet6/ip6_output.c
Directory Properties:
  stable/9/sys/   (props changed)

Modified: stable/9/sys/netinet6/ip6_output.c
==============================================================================
--- stable/9/sys/netinet6/ip6_output.c	Wed Aug 29 13:00:00 2012	(r239829)
+++ stable/9/sys/netinet6/ip6_output.c	Wed Aug 29 13:10:34 2012	(r239830)
@@ -195,8 +195,9 @@ in6_delayed_cksum(struct mbuf *m, uint32
 	offset += m->m_pkthdr.csum_data;	/* checksum offset */
 
 	if (offset + sizeof(u_short) > m->m_len) {
-		printf("%s: delayed m_pullup, m->len: %d off: %d\n",
-		    __func__, m->m_len, offset);
+		printf("%s: delayed m_pullup, m->len: %d plen %u off %u "
+		    "csum_flags=0x%04x\n", __func__, m->m_len, plen, offset,
+		    m->m_pkthdr.csum_flags);
 		/*
 		 * XXX this should not happen, but if it does, the correct
 		 * behavior may be to insert the checksum in the appropriate


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