MSGBUF_MAX_PKT_SIZE
m = MCLGETI(NULL, M_DONTWAIT, NULL, MSGBUF_MAX_PKT_SIZE);
m->m_len = m->m_pkthdr.len = MSGBUF_MAX_PKT_SIZE;
req->host_buf_len = htole16(MSGBUF_MAX_PKT_SIZE);
m = MCLGETI(NULL, M_DONTWAIT, NULL, MSGBUF_MAX_PKT_SIZE);
m->m_len = m->m_pkthdr.len = MSGBUF_MAX_PKT_SIZE;
req->data_buf_len = htole16(MSGBUF_MAX_PKT_SIZE);
bus_dmamap_create(sc->sc_dmat, MSGBUF_MAX_PKT_SIZE,
BWFM_NUM_RX_DESCS, MSGBUF_MAX_PKT_SIZE, 0, BUS_DMA_WAITOK,
bus_dmamap_create(sc->sc_dmat, MSGBUF_MAX_PKT_SIZE,
BWFM_NUM_TX_DESCS, MSGBUF_MAX_PKT_SIZE, 0, BUS_DMA_WAITOK,
NULL, MSGBUF_MAX_PKT_SIZE);