/*
* Concatenate two pkthdr mbuf chains.
*/
void
m_catpkt(struct mbuf *m, struct mbuf *n)
{
M_ASSERTPKTHDR(m);
M_ASSERTPKTHDR(n);
m->m_pkthdr.len += n->m_pkthdr.len;
m_demote(n, 1, 0);
m_cat(m, n);
}
/*
* This version of sbappend() should only be used when the caller absolutely
* knows that there will never be more than one record in the socket buffer,
* that is, a stream protocol (such as TCP).
*/
void
sbappendstream_locked(struct sockbuf *sb, struct mbuf *m, int flags)
{
SOCKBUF_LOCK_ASSERT(sb);
KASSERT(m->m_nextpkt == NULL,("sbappendstream 0"));
KASSERT(sb->sb_mb == sb->sb_lastrecord,("sbappendstream 1"));
SBLASTMBUFCHK(sb);
/* Remove all packet headers and mbuf tags to get a pure data chain. */
m_demote(m, 1, flags & PRUS_NOTREADY ? M_NOTREADY : 0);
sbcompress(sb, m, sb->sb_mbtail);
sb->sb_lastrecord = sb->sb_mb;
SBLASTRECORDCHK(sb);
}
