Switch rl_encap over to using m_defrag.

No functional change, the previous rl_encap was correct wrt long
mbuf chains; this just reduces code duplication.

MFC after:	2 weeks
This commit is contained in:
Mike Silbersack 2003-03-30 03:45:28 +00:00
parent abb0e6da6b
commit 709b85c372

@ -1504,20 +1504,10 @@ rl_encap(sc, m_head)
* TX buffers, plus we can only have one fragment buffer
* per packet. We have to copy pretty much all the time.
*/
m_new = m_defrag(m_head, M_DONTWAIT);
MGETHDR(m_new, M_DONTWAIT, MT_DATA);
if (m_new == NULL)
return(1);
if (m_head->m_pkthdr.len > MHLEN) {
MCLGET(m_new, M_DONTWAIT);
if (!(m_new->m_flags & M_EXT)) {
m_freem(m_new);
return(1);
}
}
m_copydata(m_head, 0, m_head->m_pkthdr.len, mtod(m_new, caddr_t));
m_new->m_pkthdr.len = m_new->m_len = m_head->m_pkthdr.len;
m_freem(m_head);
m_head = m_new;
/* Pad frames to at least 60 bytes. */