Author: yongari
Date: Sat Jan 7 01:12:21 2012
New Revision: 229755
URL: http://svn.freebsd.org/changeset/base/229755
Log:
MFC r207761:
Add a fastpath to allocate from packet zone when using m_getjcl.
This will add support for packet zone for at least igb and ixgbe
and will avoid to check for that in bce and mxge.
Modified:
stable/7/sys/dev/bce/if_bce.c
stable/7/sys/dev/mxge/if_mxge.c
stable/7/sys/sys/mbuf.h
Directory Properties:
stable/7/sys/ (props changed)
stable/7/sys/cddl/contrib/opensolaris/ (props changed)
stable/7/sys/contrib/dev/acpica/ (props changed)
stable/7/sys/contrib/pf/ (props changed)
Modified: stable/7/sys/dev/bce/if_bce.c
==============================================================================
--- stable/7/sys/dev/bce/if_bce.c Sat Jan 7 01:08:17 2012
(r229754)
+++ stable/7/sys/dev/bce/if_bce.c Sat Jan 7 01:12:21 2012
(r229755)
@@ -5017,11 +5017,8 @@ bce_get_rx_buf(struct bce_softc *sc, str
#ifdef BCE_JUMBO_HDRSPLIT
MGETHDR(m_new, M_DONTWAIT, MT_DATA);
#else
- if (sc->rx_bd_mbuf_alloc_size <= MCLBYTES)
- m_new = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
- else
- m_new = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
- sc->rx_bd_mbuf_alloc_size);
+ m_new = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
+ sc->rx_bd_mbuf_alloc_size);
#endif
if (m_new == NULL) {
Modified: stable/7/sys/dev/mxge/if_mxge.c
==============================================================================
--- stable/7/sys/dev/mxge/if_mxge.c Sat Jan 7 01:08:17 2012
(r229754)
+++ stable/7/sys/dev/mxge/if_mxge.c Sat Jan 7 01:12:21 2012
(r229755)
@@ -2260,10 +2260,7 @@ mxge_get_buf_big(struct mxge_slice_state
mxge_rx_ring_t *rx = &ss->rx_big;
int cnt, err, i;
- if (rx->cl_size == MCLBYTES)
- m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
- else
- m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, rx->cl_size);
+ m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, rx->cl_size);
if (m == NULL) {
rx->alloc_fail++;
err = ENOBUFS;
Modified: stable/7/sys/sys/mbuf.h
==============================================================================
--- stable/7/sys/sys/mbuf.h Sat Jan 7 01:08:17 2012 (r229754)
+++ stable/7/sys/sys/mbuf.h Sat Jan 7 01:12:21 2012 (r229755)
@@ -484,6 +484,9 @@ m_getjcl(int how, short type, int flags,
struct mbuf *m, *n;
uma_zone_t zone;
+ if (size == MCLBYTES)
+ return m_getcl(how, type, flags);
+
args.flags = flags;
args.type = type;
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