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Differential D19199 Diff 54739 head/sys/net/iflib.c

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head/sys/net/iflib.c

Show First 20 Lines • Show All 2,181 Lines • ▼ Show 20 Linesiflib_fl_setup(iflib_fl_t fl)
/* Now replenish the mbufs */ /* Now replenish the mbufs */
MPASS(fl->ifl_credits == 0); MPASS(fl->ifl_credits == 0);
/* /*
* XXX don't set the max_frame_size to larger * XXX don't set the max_frame_size to larger
* than the hardware can handle * than the hardware can handle
*/ */
if (sctx->isc_max_frame_size <= 2048) if (sctx->isc_max_frame_size <= 2048)
fl->ifl_buf_size = MCLBYTES; fl->ifl_buf_size = MCLBYTES;
#ifndef CONTIGMALLOC_WORKS
else else
fl->ifl_buf_size = MJUMPAGESIZE; fl->ifl_buf_size = MJUMPAGESIZE;
#else
else if (sctx->isc_max_frame_size <= 4096)
fl->ifl_buf_size = MJUMPAGESIZE;
else if (sctx->isc_max_frame_size <= 9216)
fl->ifl_buf_size = MJUM9BYTES;
else
fl->ifl_buf_size = MJUM16BYTES;
#endif
if (fl->ifl_buf_size > ctx->ifc_max_fl_buf_size) if (fl->ifl_buf_size > ctx->ifc_max_fl_buf_size)
ctx->ifc_max_fl_buf_size = fl->ifl_buf_size; ctx->ifc_max_fl_buf_size = fl->ifl_buf_size;
fl->ifl_cltype = m_gettype(fl->ifl_buf_size); fl->ifl_cltype = m_gettype(fl->ifl_buf_size);
fl->ifl_zone = m_getzone(fl->ifl_buf_size); fl->ifl_zone = m_getzone(fl->ifl_buf_size);
/* avoid pre-allocating zillions of clusters to an idle card /* avoid pre-allocating zillions of clusters to an idle card
* potentially speeding up attach * potentially speeding up attach
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