/*
* Initialize the mbuf allocator.
*/
void
mbinit(void)
{
int i;
#if DIAGNOSTIC
if (mclsizes[0] != MCLBYTES)
panic("mbinit: the smallest cluster size != MCLBYTES");
if (mclsizes[nitems(mclsizes) - 1] != MAXMCLBYTES)
panic("mbinit: the largest cluster size != MAXMCLBYTES");
#endif
pool_init(&mbpool, MSIZE, 0, 0, 0, "mbufpl", NULL);
pool_setipl(&mbpool, IPL_NET);
pool_set_constraints(&mbpool, &kp_dma_contig);
pool_setlowat(&mbpool, mblowat);
pool_init(&mtagpool, PACKET_TAG_MAXSIZE + sizeof(struct m_tag),
0, 0, 0, "mtagpl", NULL);
pool_setipl(&mtagpool, IPL_NET);
for (i = 0; i < nitems(mclsizes); i++) {
snprintf(mclnames[i], sizeof(mclnames[0]), "mcl%dk",
mclsizes[i] >> 10);
pool_init(&mclpools[i], mclsizes[i], 0, 0, 0,
mclnames[i], NULL);
pool_setipl(&mclpools[i], IPL_NET);
pool_set_constraints(&mclpools[i], &kp_dma_contig);
pool_setlowat(&mclpools[i], mcllowat);
}
nmbclust_update();
}
/*
* Initialize the mbuf allocator.
*/
void
mbinit(void)
{
pool_init(&mbpool, MSIZE, 0, 0, 0, "mbpl", NULL);
pool_init(&mclpool, MCLBYTES, 0, 0, 0, "mclpl", NULL);
nmbclust_update();
/*
* Set a low water mark for both mbufs and clusters. This should
* help ensure that they can be allocated in a memory starvation
* situation. This is important for e.g. diskless systems which
* must allocate mbufs in order for the pagedaemon to clean pages.
*/
pool_setlowat(&mbpool, mblowat);
pool_setlowat(&mclpool, mcllowat);
}
