Author: andre
Date: Mon Aug 19 10:30:15 2013
New Revision: 254517
URL: http://svnweb.freebsd.org/changeset/base/254517
Log:
Remove unused M_FRAG, M_FIRSTFRAG and M_LASTFRAG tagging from ip_fragment().
There wasn't any real driver (and hardware) support for it. Modern hardware
does full fragmentation/segmentation offload instead.
Modified:
head/sys/netinet/ip_output.c
Modified: head/sys/netinet/ip_output.c
==============================================================================
--- head/sys/netinet/ip_output.c Mon Aug 19 10:20:20 2013
(r254516)
+++ head/sys/netinet/ip_output.c Mon Aug 19 10:30:15 2013
(r254517)
@@ -784,7 +784,7 @@ smart_frag_failure:
IPSTAT_INC(ips_odropped);
goto done;
}
- m->m_flags |= (m0->m_flags & M_MCAST) | M_FRAG;
+ m->m_flags |= (m0->m_flags & M_MCAST);
/*
* In the first mbuf, leave room for the link header, then
* copy the original IP header including options. The payload
@@ -801,10 +801,9 @@ smart_frag_failure:
m->m_len = mhlen;
/* XXX do we need to add ip_off below ? */
mhip->ip_off = ((off - hlen) >> 3) + ip_off;
- if (off + len >= ip_len) { /* last fragment */
+ if (off + len >= ip_len)
len = ip_len - off;
- m->m_flags |= M_LASTFRAG;
- } else
+ else
mhip->ip_off |= IP_MF;
mhip->ip_len = htons((u_short)(len + mhlen));
m->m_next = m_copym(m0, off, len, M_NOWAIT);
@@ -831,10 +830,6 @@ smart_frag_failure:
}
IPSTAT_ADD(ips_ofragments, nfrags);
- /* set first marker for fragment chain */
- m0->m_flags |= M_FIRSTFRAG | M_FRAG;
- m0->m_pkthdr.csum_data = nfrags;
-
/*
* Update first fragment by trimming what's been copied out
* and updating header.
_______________________________________________
svn-src-all@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/svn-src-all
To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
