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When I converted this driver, I neglected to deal with packet alignment.
We must force payload alignment to a longword boundary to make the alpha happy. This should stop the driver from trapping on the alpha when the interface is ifconfig'ed (actually, when the first frame is received).
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svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=69732
@ -77,6 +77,7 @@
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#define ETHER_MAX_LEN 1518
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#define ETHER_ADDR_LEN 6
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#define ETHER_ALIGN 2
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static struct connector_entry {
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int bit;
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@ -687,6 +688,22 @@ vxread(sc)
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++ifp->if_ipackets;
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{
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struct mbuf *m0;
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m0 = m_devget(mtod(m, char *) - ETHER_ALIGN,
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m->m_pkthdr.len + ETHER_ALIGN, 0, ifp, NULL);
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if (m0 == NULL) {
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ifp->if_ierrors++;
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goto abort;
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}
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m_adj(m0, ETHER_ALIGN);
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m_freem(m);
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m = m0;
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}
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/* We assume the header fit entirely in one mbuf. */
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eh = mtod(m, struct ether_header *);
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