dev/ixl/ixl_txrx.c

919 	struct rx_ring		*rxr = &que->rxr;
927 	i = j = rxr->next_refresh;
933 		buf = &rxr->buffers[i];
934 		if (rxr->hdr_split == FALSE)
948 		error = bus_dmamap_load_mbuf_sg(rxr->htag,
958 		bus_dmamap_sync(rxr->htag, buf->hmap,
960 		rxr->base[i].read.hdr_addr =
966 			    M_PKTHDR, rxr->mbuf_sz);
972 		mp->m_pkthdr.len = mp->m_len = rxr->mbuf_sz;
974 		error = bus_dmamap_load_mbuf_sg(rxr->ptag,
984 		bus_dmamap_sync(rxr->ptag, buf->pmap,
986 		rxr->base[i].read.pkt_addr =
989 		rxr->base[i].read.hdr_addr = 0;
994 		rxr->next_refresh = i;
1000 		wr32(vsi->hw, rxr->tail, rxr->next_refresh);
1016 	struct rx_ring		*rxr = &que->rxr;
1023 	if (!(rxr->buffers =
1042 				   &rxr->htag))) {
1058 				   &rxr->ptag))) {
1064 		buf = &rxr->buffers[i];
1065 		error = bus_dmamap_create(rxr->htag,
1071 		error = bus_dmamap_create(rxr->ptag,
1091 	struct	rx_ring 	*rxr = &que->rxr;
1095 	struct lro_ctrl		*lro = &rxr->lro;
1101 	IXL_RX_LOCK(rxr);
1105 	bzero((void *)rxr->base, rsize);
1108 		buf = &rxr->buffers[i];
1110 			bus_dmamap_sync(rxr->htag, buf->hmap,
1112 			bus_dmamap_unload(rxr->htag, buf->hmap);
1117 			bus_dmamap_sync(rxr->ptag, buf->pmap,
1119 			bus_dmamap_unload(rxr->ptag, buf->pmap);
1128 	rxr->hdr_split = FALSE;
1134 		buf = &rxr->buffers[j];
1139 		if (rxr->hdr_split == FALSE)
1153 		error = bus_dmamap_load_mbuf_sg(rxr->htag,
1158 		bus_dmamap_sync(rxr->htag,
1161 		rxr->base[j].read.hdr_addr = htole64(hseg[0].ds_addr);
1166 		    M_PKTHDR, rxr->mbuf_sz);
1172 		mp->m_pkthdr.len = mp->m_len = rxr->mbuf_sz;
1174 		error = bus_dmamap_load_mbuf_sg(rxr->ptag,
1179 		bus_dmamap_sync(rxr->ptag,
1182 		rxr->base[j].read.pkt_addr = htole64(pseg[0].ds_addr);
1183 		rxr->base[j].read.hdr_addr = 0;
1188 	rxr->next_check = 0;
1189 	rxr->next_refresh = 0;
1190 	rxr->lro_enabled = FALSE;
1191 	rxr->split = 0;
1192 	rxr->bytes = 0;
1193 	rxr->discard = FALSE;
1195 	wr32(vsi->hw, rxr->tail, que->num_desc - 1);
1209 		rxr->lro_enabled = TRUE;
1214 	bus_dmamap_sync(rxr->dma.tag, rxr->dma.map,
1218 	IXL_RX_UNLOCK(rxr);
1231 	struct rx_ring		*rxr = &que->rxr;
1237 	if (rxr->buffers != NULL) {
1239 			buf = &rxr->buffers[i];
1241 				bus_dmamap_sync(rxr->htag, buf->hmap,
1243 				bus_dmamap_unload(rxr->htag, buf->hmap);
1248 				bus_dmamap_sync(rxr->ptag, buf->pmap,
1250 				bus_dmamap_unload(rxr->ptag, buf->pmap);
1257 				bus_dmamap_destroy(rxr->htag, buf->hmap);
1261 				bus_dmamap_destroy(rxr->ptag, buf->pmap);
1265 		if (rxr->buffers != NULL) {
1266 			free(rxr->buffers, M_DEVBUF);
1267 			rxr->buffers = NULL;
1271 	if (rxr->htag != NULL) {
1272 		bus_dma_tag_destroy(rxr->htag);
1273 		rxr->htag = NULL;
1275 	if (rxr->ptag != NULL) {
1276 		bus_dma_tag_destroy(rxr->ptag);
1277 		rxr->ptag = NULL;
1285 ixl_rx_input(struct rx_ring *rxr, struct ifnet *ifp, struct mbuf *m, u8 ptype)
1294         if (rxr->lro_enabled &&
1304                 if (rxr->lro.lro_cnt != 0)
1305                         if (tcp_lro_rx(&rxr->lro, m, 0) == 0)
1309 	IXL_RX_UNLOCK(rxr);
1311 	IXL_RX_LOCK(rxr);
1316 ixl_rx_discard(struct rx_ring *rxr, int i)
1320 	rbuf = &rxr->buffers[i];
1364 	struct rx_ring		*rxr = &que->rxr;
1367 	struct lro_ctrl		*lro = &rxr->lro;
1375 	IXL_RX_LOCK(rxr);
1378 	for (i = rxr->next_check; count != 0;) {
1387 		bus_dmamap_sync(rxr->dma.tag, rxr->dma.map,
1390 		cur = &rxr->base[i];
1404 			++rxr->not_done;
1415 		rbuf = &rxr->buffers[i];
1430 			rxr->discarded++;
1431 			ixl_rx_discard(rxr, i);
1440 			nbuf = &rxr->buffers[nextp];
1455 		if (rxr->hdr_split && (rbuf->fmp == NULL)) {
1477 				rxr->split++;
1538 			rxr->rx_packets++;
1539 			rxr->rx_bytes += sendmp->m_pkthdr.len;
1541 			rxr->packets++;
1542 			rxr->bytes += sendmp->m_pkthdr.len;
1549 		bus_dmamap_sync(rxr->dma.tag, rxr->dma.map,
1558 			rxr->next_check = i;
1559 			ixl_rx_input(rxr, ifp, sendmp, ptype);
1560 			i = rxr->next_check;
1574 	rxr->next_check = i;
1586 	IXL_RX_UNLOCK(rxr);