Function iflib_fl_bufs_free

freebsd/net/iflib.c:2181–2223

}

static void
iflib_fl_bufs_free(iflib_fl_t fl)
{
	iflib_dma_info_t idi = fl->ifl_ifdi;
	bus_dmamap_t sd_map;
	uint32_t i;

	for (i = 0; i < fl->ifl_size; i++) {
		struct mbuf **sd_m = &fl->ifl_sds.ifsd_m[i];
		caddr_t *sd_cl = &fl->ifl_sds.ifsd_cl[i];

		if (*sd_cl != NULL) {
			sd_map = fl->ifl_sds.ifsd_map[i];
			bus_dmamap_sync(fl->ifl_buf_tag, sd_map,
			    BUS_DMASYNC_POSTREAD);
			bus_dmamap_unload(fl->ifl_buf_tag, sd_map);
			uma_zfree(fl->ifl_zone, *sd_cl);
			*sd_cl = NULL;
			if (*sd_m != NULL) {
				m_init(*sd_m, M_NOWAIT, MT_DATA, 0);
				uma_zfree(zone_mbuf, *sd_m);
				*sd_m = NULL;
			}
		} else {
			MPASS(*sd_m == NULL);
		}
#if MEMORY_LOGGING
		fl->ifl_m_dequeued++;
		fl->ifl_cl_dequeued++;
#endif
	}
#ifdef INVARIANTS
	for (i = 0; i < fl->ifl_size; i++) {
		MPASS(fl->ifl_sds.ifsd_cl[i] == NULL);
		MPASS(fl->ifl_sds.ifsd_m[i] == NULL);
	}
#endif
	/*
	 * Reset free list values
	 */
	fl->ifl_credits = fl->ifl_cidx = fl->ifl_pidx = fl->ifl_gen = fl->ifl_fragidx = 0;
	bzero(idi->idi_vaddr, idi->idi_size);
}

/*********************************************************************
 *