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authorharti <harti@FreeBSD.org>2003-10-29 13:21:38 +0000
committerharti <harti@FreeBSD.org>2003-10-29 13:21:38 +0000
commitbba7295376b2141ebdef24d4c7d958c4b5a4d4a7 (patch)
tree5f1a0d67a9cff35cb179f16fc412ff6a16126299 /sys/dev/hatm/if_hatm_intr.c
parente0d0a97b8fc62bbf8d84b4ea74d6bf8673dfa51c (diff)
downloadFreeBSD-src-bba7295376b2141ebdef24d4c7d958c4b5a4d4a7.zip
FreeBSD-src-bba7295376b2141ebdef24d4c7d958c4b5a4d4a7.tar.gz
We have some space in the external mbufs so use this space for
the external buffer reference count. This saves us a malloc() + free() per small receive mbuf.
Diffstat (limited to 'sys/dev/hatm/if_hatm_intr.c')
-rw-r--r--sys/dev/hatm/if_hatm_intr.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/dev/hatm/if_hatm_intr.c b/sys/dev/hatm/if_hatm_intr.c
index cf2bfd3..97c4e20 100644
--- a/sys/dev/hatm/if_hatm_intr.c
+++ b/sys/dev/hatm/if_hatm_intr.c
@@ -426,8 +426,9 @@ hatm_rx_buffer(struct hatm_softc *sc, u_int group, u_int handle)
c0->hdr.chunkno, chunkno));
if (m != NULL) {
+ m->m_ext.ref_cnt = &c0->hdr.ref_cnt;
m_extadd(m, (void *)c0, MBUF0_SIZE,
- hatm_mbuf0_free, sc, M_PKTHDR, EXT_NET_DRV);
+ hatm_mbuf0_free, sc, M_PKTHDR, EXT_EXTREF);
m->m_data += MBUF0_OFFSET;
} else
hatm_mbuf0_free(c0, sc);
@@ -442,8 +443,9 @@ hatm_rx_buffer(struct hatm_softc *sc, u_int group, u_int handle)
c1->hdr.chunkno, chunkno));
if (m != NULL) {
+ m->m_ext.ref_cnt = &c1->hdr.ref_cnt;
m_extadd(m, (void *)c1, MBUF1_SIZE,
- hatm_mbuf1_free, sc, M_PKTHDR, EXT_NET_DRV);
+ hatm_mbuf1_free, sc, M_PKTHDR, EXT_EXTREF);
m->m_data += MBUF1_OFFSET;
} else
hatm_mbuf1_free(c1, sc);
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