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Make sure the packet is aligned correctly for the alpha in if_simloop.

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This commit is contained in:
dfr 1998-07-12 16:46:52 +00:00
parent bdb4d90548
commit dfb8bf9c47
1 changed files with 13 additions and 2 deletions
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15
sys/net/if_loop.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)if_loop.c 8.1 (Berkeley) 6/10/93
* $Id: if_loop.c,v 1.35 1998/06/14 20:58:15 julian Exp $
* $Id: if_loop.c,v 1.36 1998/06/14 23:53:43 julian Exp $
*/
/*
@ -216,8 +216,19 @@ if_simloop(ifp, m, dst, hlen)
#endif
/* Strip away media header */
if (hlen > 0)
if (hlen > 0) {
#ifdef __alpha__
/* The alpha doesn't like unaligned data.
* We move data down in the first mbuf */
if (hlen & 3) {
bcopy(m->m_data + hlen, m->m_data, m->m_len - hlen);
m->m_len -= hlen;
if (m->m_flags & M_PKTHDR)
m->m_pkthdr.len -= hlen;
} else
#endif
m_adj(m, hlen);
}
switch (dst->sa_family) {
#ifdef INET