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Add a fastpath to allocate from packet zone when using m_getjcl.

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This will add support for packet zone for at least igb and ixgbe
and will avoid to check for that in bce and mxge.

MFC after: 1 week
This commit is contained in:
fabient 2010-05-07 22:09:17 +00:00
parent bd99a522e2
commit 7b5a899589
3 changed files with 6 additions and 9 deletions
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7
sys/dev/bce/if_bce.c
View File

@ -5059,11 +5059,8 @@ bce_get_rx_buf(struct bce_softc *sc, struct mbuf *m, u16 *prod,
#ifdef BCE_JUMBO_HDRSPLIT #ifdef BCE_JUMBO_HDRSPLIT
MGETHDR(m_new, M_DONTWAIT, MT_DATA); MGETHDR(m_new, M_DONTWAIT, MT_DATA);
#else #else
if (sc->rx_bd_mbuf_alloc_size <= MCLBYTES) m_new = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
m_new = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR); sc->rx_bd_mbuf_alloc_size);
else
m_new = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR,
sc->rx_bd_mbuf_alloc_size);
#endif #endif
if (m_new == NULL) { if (m_new == NULL) {

5
sys/dev/mxge/if_mxge.c
View File

@ -2400,10 +2400,7 @@ mxge_get_buf_big(struct mxge_slice_state *ss, bus_dmamap_t map, int idx)
mxge_rx_ring_t *rx = &ss->rx_big; mxge_rx_ring_t *rx = &ss->rx_big;
int cnt, err, i; int cnt, err, i;
if (rx->cl_size == MCLBYTES) m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, rx->cl_size);
m = m_getcl(M_DONTWAIT, MT_DATA, M_PKTHDR);
else
m = m_getjcl(M_DONTWAIT, MT_DATA, M_PKTHDR, rx->cl_size);
if (m == NULL) { if (m == NULL) {
rx->alloc_fail++; rx->alloc_fail++;
err = ENOBUFS; err = ENOBUFS;

3
sys/sys/mbuf.h
View File

@ -523,6 +523,9 @@ m_getjcl(int how, short type, int flags, int size)
struct mbuf *m, *n; struct mbuf *m, *n;
uma_zone_t zone; uma_zone_t zone;
if (size == MCLBYTES)
return m_getcl(how, type, flags);
args.flags = flags; args.flags = flags;
args.type = type; args.type = type;