dev/et/if_et.c

875         struct et_txbuf_data *tbd;
1032 	tbd = &sc->sc_tx_data;
1035 		    &tbd->tbd_buf[i].tb_dmap);
1055         struct et_txbuf_data *tbd;
1095 	tbd = &sc->sc_tx_data;
1097 		if (tbd->tbd_buf[i].tb_dmap) {
1099 			    tbd->tbd_buf[i].tb_dmap);
1100 			tbd->tbd_buf[i].tb_dmap = NULL;
1385 	struct et_txbuf_data *tbd;
1406 	tbd = &sc->sc_tx_data;
1407 	if (tbd->tbd_used > (ET_TX_NDESC * 2) / 3)
1411 		if (tbd->tbd_used + ET_NSEG_SPARE >= ET_TX_NDESC) {
1426 			if (tbd->tbd_used > 0)
1508 	struct et_txbuf_data *tbd;
1512 	tbd = &sc->sc_tx_data;
1515 		tb = &tbd->tbd_buf[i];
1687 	struct et_txbuf_data *tbd;
1695 	tbd = &sc->sc_tx_data;
1696 	tbd->tbd_start_index = 0;
1697 	tbd->tbd_start_wrap = 0;
1698 	tbd->tbd_used = 0;
2159 	struct et_txbuf_data *tbd;
2169 	tbd = &sc->sc_tx_data;
2171 	map = tbd->tbd_buf[first_idx].tb_dmap;
2194 	if (tbd->tbd_used + nsegs > ET_TX_NDESC - 1) {
2242 	tbd->tbd_buf[first_idx].tb_dmap = tbd->tbd_buf[last_idx].tb_dmap;
2243 	tbd->tbd_buf[last_idx].tb_dmap = map;
2244 	tbd->tbd_buf[last_idx].tb_mbuf = m;
2246 	tbd->tbd_used += nsegs;
2247 	MPASS(tbd->tbd_used <= ET_TX_NDESC);
2256 	struct et_txbuf_data *tbd;
2266 	tbd = &sc->sc_tx_data;
2271 	if (tbd->tbd_used == 0)
2281 	while (tbd->tbd_start_index != end || tbd->tbd_start_wrap != wrap) {
2282 		MPASS(tbd->tbd_start_index < ET_TX_NDESC);
2283 		tb = &tbd->tbd_buf[tbd->tbd_start_index];
2292 		if (++tbd->tbd_start_index == ET_TX_NDESC) {
2293 			tbd->tbd_start_index = 0;
2294 			tbd->tbd_start_wrap ^= 1;
2297 		MPASS(tbd->tbd_used > 0);
2298 		tbd->tbd_used--;
2301 	if (tbd->tbd_used == 0)
2303 	if (tbd->tbd_used + ET_NSEG_SPARE < ET_TX_NDESC)