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Remove the m_defrag call from if_loop; testing with m_fragment

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has shown that the IPv6 stack can clearly handle fragmented
mbuf chains without a problem.

MFC after:	1 week
This commit is contained in:
Mike Silbersack 2003-11-11 17:58:36 +00:00
parent 0f9bd73b71
commit 20880eabe9
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=122498
1 changed files with 0 additions and 27 deletions
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27
sys/net/if_loop.c
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@ -191,10 +191,6 @@ looutput(ifp, m, dst, rt)
struct sockaddr *dst; struct sockaddr *dst;
register struct rtentry *rt; register struct rtentry *rt;
{ {
#ifdef INET6
struct mbuf *n;
#endif
M_ASSERTPKTHDR(m); /* check if we have the packet header */ M_ASSERTPKTHDR(m); /* check if we have the packet header */
if (rt && rt->rt_flags & (RTF_REJECT|RTF_BLACKHOLE)) { if (rt && rt->rt_flags & (RTF_REJECT|RTF_BLACKHOLE)) {
@ -202,29 +198,6 @@ looutput(ifp, m, dst, rt)
return (rt->rt_flags & RTF_BLACKHOLE ? 0 : return (rt->rt_flags & RTF_BLACKHOLE ? 0 :
rt->rt_flags & RTF_HOST ? EHOSTUNREACH : ENETUNREACH); rt->rt_flags & RTF_HOST ? EHOSTUNREACH : ENETUNREACH);
} }
#ifdef INET6
/*
* KAME requires that the packet to be contiguous on the
* mbuf. We need to make that sure.
* this kind of code should be avoided.
*
* XXX: KAME may no longer need contiguous packets. Once
* that has been verified, the following code _should_ be
* removed.
*/
if (m && m->m_next != NULL) {
n = m_defrag(m, M_DONTWAIT);
if (n == NULL) {
m_freem(m);
return (ENOBUFS);
} else {
m = n;
}
}
#endif
ifp->if_opackets++; ifp->if_opackets++;
ifp->if_obytes += m->m_pkthdr.len; ifp->if_obytes += m->m_pkthdr.len;