/*-
* BSD LICENSE
*
- * Copyright(c) 2017 Semihalf. All rights reserved.
+ * Copyright(c) 2017 Marvell International Ltd.
+ * Copyright(c) 2017 Semihalf.
+ * All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
#define MRVL_COOKIE_HIGH_ADDR_SHIFT (sizeof(pp2_cookie_t) * 8)
#define MRVL_COOKIE_HIGH_ADDR_MASK (~0ULL << MRVL_COOKIE_HIGH_ADDR_SHIFT)
+/* Memory size (in bytes) for MUSDK dma buffers */
+#define MRVL_MUSDK_DMA_MEMSIZE 41943040
+
static const char * const valid_args[] = {
MRVL_IFACE_NAME_ARG,
MRVL_CFG_ARG,
struct rte_mempool *mp;
int queue_id;
int port_id;
+ int cksum_enabled;
+ uint64_t bytes_recv;
+ uint64_t drop_mac;
};
struct mrvl_txq {
struct mrvl_priv *priv;
int queue_id;
int port_id;
+ uint64_t bytes_sent;
};
/*
return ret;
priv->ppio_params.outqs_params.num_outqs = dev->data->nb_tx_queues;
+ priv->ppio_params.maintain_stats = 1;
priv->nb_rx_queues = dev->data->nb_rx_queues;
if (dev->data->nb_rx_queues == 1 &&
pp2_ppio_enable(priv->ppio);
}
+/**
+ * DPDK callback to get device statistics.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param stats
+ * Stats structure output buffer.
+ *
+ * @return
+ * 0 on success, negative error value otherwise.
+ */
+static int
+mrvl_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ struct pp2_ppio_statistics ppio_stats;
+ uint64_t drop_mac = 0;
+ unsigned int i, idx, ret;
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct mrvl_rxq *rxq = dev->data->rx_queues[i];
+ struct pp2_ppio_inq_statistics rx_stats;
+
+ if (!rxq)
+ continue;
+
+ idx = rxq->queue_id;
+ if (unlikely(idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)) {
+ RTE_LOG(ERR, PMD,
+ "rx queue %d stats out of range (0 - %d)\n",
+ idx, RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
+ continue;
+ }
+
+ ret = pp2_ppio_inq_get_statistics(priv->ppio,
+ priv->rxq_map[idx].tc,
+ priv->rxq_map[idx].inq,
+ &rx_stats, 0);
+ if (unlikely(ret)) {
+ RTE_LOG(ERR, PMD,
+ "Failed to update rx queue %d stats\n", idx);
+ break;
+ }
+
+ stats->q_ibytes[idx] = rxq->bytes_recv;
+ stats->q_ipackets[idx] = rx_stats.enq_desc - rxq->drop_mac;
+ stats->q_errors[idx] = rx_stats.drop_early +
+ rx_stats.drop_fullq +
+ rx_stats.drop_bm +
+ rxq->drop_mac;
+ stats->ibytes += rxq->bytes_recv;
+ drop_mac += rxq->drop_mac;
+ }
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ struct mrvl_txq *txq = dev->data->tx_queues[i];
+ struct pp2_ppio_outq_statistics tx_stats;
+
+ if (!txq)
+ continue;
+
+ idx = txq->queue_id;
+ if (unlikely(idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)) {
+ RTE_LOG(ERR, PMD,
+ "tx queue %d stats out of range (0 - %d)\n",
+ idx, RTE_ETHDEV_QUEUE_STAT_CNTRS - 1);
+ }
+
+ ret = pp2_ppio_outq_get_statistics(priv->ppio, idx,
+ &tx_stats, 0);
+ if (unlikely(ret)) {
+ RTE_LOG(ERR, PMD,
+ "Failed to update tx queue %d stats\n", idx);
+ break;
+ }
+
+ stats->q_opackets[idx] = tx_stats.deq_desc;
+ stats->q_obytes[idx] = txq->bytes_sent;
+ stats->obytes += txq->bytes_sent;
+ }
+
+ ret = pp2_ppio_get_statistics(priv->ppio, &ppio_stats, 0);
+ if (unlikely(ret)) {
+ RTE_LOG(ERR, PMD, "Failed to update port statistics\n");
+ return ret;
+ }
+
+ stats->ipackets += ppio_stats.rx_packets - drop_mac;
+ stats->opackets += ppio_stats.tx_packets;
+ stats->imissed += ppio_stats.rx_fullq_dropped +
+ ppio_stats.rx_bm_dropped +
+ ppio_stats.rx_early_dropped +
+ ppio_stats.rx_fifo_dropped +
+ ppio_stats.rx_cls_dropped;
+ stats->ierrors = drop_mac;
+
+ return 0;
+}
+
+/**
+ * DPDK callback to clear device statistics.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+static void
+mrvl_stats_reset(struct rte_eth_dev *dev)
+{
+ struct mrvl_priv *priv = dev->data->dev_private;
+ int i;
+
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ struct mrvl_rxq *rxq = dev->data->rx_queues[i];
+
+ pp2_ppio_inq_get_statistics(priv->ppio, priv->rxq_map[i].tc,
+ priv->rxq_map[i].inq, NULL, 1);
+ rxq->bytes_recv = 0;
+ rxq->drop_mac = 0;
+ }
+
+ for (i = 0; i < dev->data->nb_tx_queues; i++) {
+ struct mrvl_txq *txq = dev->data->tx_queues[i];
+
+ pp2_ppio_outq_get_statistics(priv->ppio, i, NULL, 1);
+ txq->bytes_sent = 0;
+ }
+
+ pp2_ppio_get_statistics(priv->ppio, NULL, 1);
+}
+
/**
* DPDK callback to get information about the device.
*
info->tx_desc_lim.nb_align = MRVL_PP2_TXD_ALIGN;
info->rx_offload_capa = DEV_RX_OFFLOAD_JUMBO_FRAME |
- DEV_RX_OFFLOAD_VLAN_FILTER;
+ DEV_RX_OFFLOAD_VLAN_FILTER |
+ DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM |
+ DEV_RX_OFFLOAD_TCP_CKSUM;
+
+ info->tx_offload_capa = DEV_TX_OFFLOAD_IPV4_CKSUM |
+ DEV_TX_OFFLOAD_UDP_CKSUM |
+ DEV_TX_OFFLOAD_TCP_CKSUM;
+
info->flow_type_rss_offloads = ETH_RSS_IPV4 |
ETH_RSS_NONFRAG_IPV4_TCP |
ETH_RSS_NONFRAG_IPV4_UDP;
info->max_rx_pktlen = MRVL_PKT_SIZE_MAX;
}
+/**
+ * Return supported packet types.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure (unused).
+ *
+ * @return
+ * Const pointer to the table with supported packet types.
+ */
+static const uint32_t *
+mrvl_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
+{
+ static const uint32_t ptypes[] = {
+ RTE_PTYPE_L2_ETHER,
+ RTE_PTYPE_L3_IPV4,
+ RTE_PTYPE_L3_IPV4_EXT,
+ RTE_PTYPE_L3_IPV4_EXT_UNKNOWN,
+ RTE_PTYPE_L3_IPV6,
+ RTE_PTYPE_L3_IPV6_EXT,
+ RTE_PTYPE_L2_ETHER_ARP,
+ RTE_PTYPE_L4_TCP,
+ RTE_PTYPE_L4_UDP
+ };
+
+ return ptypes;
+}
+
/**
* DPDK callback to get information about specific receive queue.
*
}
entries[i].buff.addr =
- rte_mbuf_data_dma_addr_default(mbufs[i]);
+ rte_mbuf_data_iova_default(mbufs[i]);
entries[i].buff.cookie = (pp2_cookie_t)(uint64_t)mbufs[i];
entries[i].bpool = bpool;
}
rxq->priv = priv;
rxq->mp = mp;
+ rxq->cksum_enabled = dev->data->dev_conf.rxmode.hw_ip_checksum;
rxq->queue_id = idx;
rxq->port_id = dev->data->port_id;
mrvl_port_to_bpool_lookup[rxq->port_id] = priv->bpool;
.mac_addr_add = mrvl_mac_addr_add,
.mac_addr_set = mrvl_mac_addr_set,
.mtu_set = mrvl_mtu_set,
+ .stats_get = mrvl_stats_get,
+ .stats_reset = mrvl_stats_reset,
.dev_infos_get = mrvl_dev_infos_get,
+ .dev_supported_ptypes_get = mrvl_dev_supported_ptypes_get,
.rxq_info_get = mrvl_rxq_info_get,
.txq_info_get = mrvl_txq_info_get,
.vlan_filter_set = mrvl_vlan_filter_set,
.rss_hash_conf_get = mrvl_rss_hash_conf_get,
};
+/**
+ * Return packet type information and l3/l4 offsets.
+ *
+ * @param desc
+ * Pointer to the received packet descriptor.
+ * @param l3_offset
+ * l3 packet offset.
+ * @param l4_offset
+ * l4 packet offset.
+ *
+ * @return
+ * Packet type information.
+ */
+static inline uint64_t
+mrvl_desc_to_packet_type_and_offset(struct pp2_ppio_desc *desc,
+ uint8_t *l3_offset, uint8_t *l4_offset)
+{
+ enum pp2_inq_l3_type l3_type;
+ enum pp2_inq_l4_type l4_type;
+ uint64_t packet_type;
+
+ pp2_ppio_inq_desc_get_l3_info(desc, &l3_type, l3_offset);
+ pp2_ppio_inq_desc_get_l4_info(desc, &l4_type, l4_offset);
+
+ packet_type = RTE_PTYPE_L2_ETHER;
+
+ switch (l3_type) {
+ case PP2_INQ_L3_TYPE_IPV4_NO_OPTS:
+ packet_type |= RTE_PTYPE_L3_IPV4;
+ break;
+ case PP2_INQ_L3_TYPE_IPV4_OK:
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT;
+ break;
+ case PP2_INQ_L3_TYPE_IPV4_TTL_ZERO:
+ packet_type |= RTE_PTYPE_L3_IPV4_EXT_UNKNOWN;
+ break;
+ case PP2_INQ_L3_TYPE_IPV6_NO_EXT:
+ packet_type |= RTE_PTYPE_L3_IPV6;
+ break;
+ case PP2_INQ_L3_TYPE_IPV6_EXT:
+ packet_type |= RTE_PTYPE_L3_IPV6_EXT;
+ break;
+ case PP2_INQ_L3_TYPE_ARP:
+ packet_type |= RTE_PTYPE_L2_ETHER_ARP;
+ /*
+ * In case of ARP l4_offset is set to wrong value.
+ * Set it to proper one so that later on mbuf->l3_len can be
+ * calculated subtracting l4_offset and l3_offset.
+ */
+ *l4_offset = *l3_offset + MRVL_ARP_LENGTH;
+ break;
+ default:
+ RTE_LOG(DEBUG, PMD, "Failed to recognise l3 packet type\n");
+ break;
+ }
+
+ switch (l4_type) {
+ case PP2_INQ_L4_TYPE_TCP:
+ packet_type |= RTE_PTYPE_L4_TCP;
+ break;
+ case PP2_INQ_L4_TYPE_UDP:
+ packet_type |= RTE_PTYPE_L4_UDP;
+ break;
+ default:
+ RTE_LOG(DEBUG, PMD, "Failed to recognise l4 packet type\n");
+ break;
+ }
+
+ return packet_type;
+}
+
+/**
+ * Get offload information from the received packet descriptor.
+ *
+ * @param desc
+ * Pointer to the received packet descriptor.
+ *
+ * @return
+ * Mbuf offload flags.
+ */
+static inline uint64_t
+mrvl_desc_to_ol_flags(struct pp2_ppio_desc *desc)
+{
+ uint64_t flags;
+ enum pp2_inq_desc_status status;
+
+ status = pp2_ppio_inq_desc_get_l3_pkt_error(desc);
+ if (unlikely(status != PP2_DESC_ERR_OK))
+ flags = PKT_RX_IP_CKSUM_BAD;
+ else
+ flags = PKT_RX_IP_CKSUM_GOOD;
+
+ status = pp2_ppio_inq_desc_get_l4_pkt_error(desc);
+ if (unlikely(status != PP2_DESC_ERR_OK))
+ flags |= PKT_RX_L4_CKSUM_BAD;
+ else
+ flags |= PKT_RX_L4_CKSUM_GOOD;
+
+ return flags;
+}
+
/**
* DPDK callback for receive.
*
for (i = 0; i < nb_pkts; i++) {
struct rte_mbuf *mbuf;
+ uint8_t l3_offset, l4_offset;
enum pp2_inq_desc_status status;
uint64_t addr;
status = pp2_ppio_inq_desc_get_l2_pkt_error(&descs[i]);
if (unlikely(status != PP2_DESC_ERR_OK)) {
struct pp2_buff_inf binf = {
- .addr = rte_mbuf_data_dma_addr_default(mbuf),
+ .addr = rte_mbuf_data_iova_default(mbuf),
.cookie = (pp2_cookie_t)(uint64_t)mbuf,
};
pp2_bpool_put_buff(hifs[core_id], bpool, &binf);
mrvl_port_bpool_size
[bpool->pp2_id][bpool->id][core_id]++;
+ q->drop_mac++;
continue;
}
mbuf->pkt_len = pp2_ppio_inq_desc_get_pkt_len(&descs[i]);
mbuf->data_len = mbuf->pkt_len;
mbuf->port = q->port_id;
+ mbuf->packet_type =
+ mrvl_desc_to_packet_type_and_offset(&descs[i],
+ &l3_offset,
+ &l4_offset);
+ mbuf->l2_len = l3_offset;
+ mbuf->l3_len = l4_offset - l3_offset;
+
+ if (likely(q->cksum_enabled))
+ mbuf->ol_flags = mrvl_desc_to_ol_flags(&descs[i]);
rx_pkts[rx_done++] = mbuf;
+ q->bytes_recv += mbuf->pkt_len;
}
if (rte_spinlock_trylock(&q->priv->lock) == 1) {
return rx_done;
}
+/**
+ * Prepare offload information.
+ *
+ * @param ol_flags
+ * Offload flags.
+ * @param packet_type
+ * Packet type bitfield.
+ * @param l3_type
+ * Pointer to the pp2_ouq_l3_type structure.
+ * @param l4_type
+ * Pointer to the pp2_outq_l4_type structure.
+ * @param gen_l3_cksum
+ * Will be set to 1 in case l3 checksum is computed.
+ * @param l4_cksum
+ * Will be set to 1 in case l4 checksum is computed.
+ *
+ * @return
+ * 0 on success, negative error value otherwise.
+ */
+static inline int
+mrvl_prepare_proto_info(uint64_t ol_flags, uint32_t packet_type,
+ enum pp2_outq_l3_type *l3_type,
+ enum pp2_outq_l4_type *l4_type,
+ int *gen_l3_cksum,
+ int *gen_l4_cksum)
+{
+ /*
+ * Based on ol_flags prepare information
+ * for pp2_ppio_outq_desc_set_proto_info() which setups descriptor
+ * for offloading.
+ */
+ if (ol_flags & PKT_TX_IPV4) {
+ *l3_type = PP2_OUTQ_L3_TYPE_IPV4;
+ *gen_l3_cksum = ol_flags & PKT_TX_IP_CKSUM ? 1 : 0;
+ } else if (ol_flags & PKT_TX_IPV6) {
+ *l3_type = PP2_OUTQ_L3_TYPE_IPV6;
+ /* no checksum for ipv6 header */
+ *gen_l3_cksum = 0;
+ } else {
+ /* if something different then stop processing */
+ return -1;
+ }
+
+ ol_flags &= PKT_TX_L4_MASK;
+ if ((packet_type & RTE_PTYPE_L4_TCP) &&
+ ol_flags == PKT_TX_TCP_CKSUM) {
+ *l4_type = PP2_OUTQ_L4_TYPE_TCP;
+ *gen_l4_cksum = 1;
+ } else if ((packet_type & RTE_PTYPE_L4_UDP) &&
+ ol_flags == PKT_TX_UDP_CKSUM) {
+ *l4_type = PP2_OUTQ_L4_TYPE_UDP;
+ *gen_l4_cksum = 1;
+ } else {
+ *l4_type = PP2_OUTQ_L4_TYPE_OTHER;
+ /* no checksum for other type */
+ *gen_l4_cksum = 0;
+ }
+
+ return 0;
+}
+
/**
* Release already sent buffers to bpool (buffer-pool).
*
struct mrvl_shadow_txq *sq = &shadow_txqs[q->port_id][rte_lcore_id()];
struct pp2_hif *hif = hifs[rte_lcore_id()];
struct pp2_ppio_desc descs[nb_pkts];
- int i;
+ int i, ret, bytes_sent = 0;
uint16_t num, sq_free_size;
+ uint64_t addr;
if (unlikely(!q->priv->ppio))
return 0;
for (i = 0; i < nb_pkts; i++) {
struct rte_mbuf *mbuf = tx_pkts[i];
+ int gen_l3_cksum, gen_l4_cksum;
+ enum pp2_outq_l3_type l3_type;
+ enum pp2_outq_l4_type l4_type;
if (likely(nb_pkts - i > MRVL_MUSDK_PREFETCH_SHIFT)) {
struct rte_mbuf *pref_pkt_hdr;
sq->ent[sq->head].buff.cookie = (pp2_cookie_t)(uint64_t)mbuf;
sq->ent[sq->head].buff.addr =
- rte_mbuf_data_dma_addr_default(mbuf);
+ rte_mbuf_data_iova_default(mbuf);
sq->ent[sq->head].bpool =
(unlikely(mbuf->port == 0xff || mbuf->refcnt > 1)) ?
NULL : mrvl_port_to_bpool_lookup[mbuf->port];
pp2_ppio_outq_desc_reset(&descs[i]);
pp2_ppio_outq_desc_set_phys_addr(&descs[i],
- rte_pktmbuf_mtophys(mbuf));
+ rte_pktmbuf_iova(mbuf));
pp2_ppio_outq_desc_set_pkt_offset(&descs[i], 0);
pp2_ppio_outq_desc_set_pkt_len(&descs[i],
rte_pktmbuf_pkt_len(mbuf));
+
+ bytes_sent += rte_pktmbuf_pkt_len(mbuf);
+ /*
+ * in case unsupported ol_flags were passed
+ * do not update descriptor offload information
+ */
+ ret = mrvl_prepare_proto_info(mbuf->ol_flags, mbuf->packet_type,
+ &l3_type, &l4_type, &gen_l3_cksum,
+ &gen_l4_cksum);
+ if (unlikely(ret))
+ continue;
+
+ pp2_ppio_outq_desc_set_proto_info(&descs[i], l3_type, l4_type,
+ mbuf->l2_len,
+ mbuf->l2_len + mbuf->l3_len,
+ gen_l3_cksum, gen_l4_cksum);
}
num = nb_pkts;
for (i = nb_pkts; i < num; i++) {
sq->head = (MRVL_PP2_TX_SHADOWQ_SIZE + sq->head - 1) &
MRVL_PP2_TX_SHADOWQ_MASK;
+ addr = cookie_addr_high | sq->ent[sq->head].buff.cookie;
+ bytes_sent -=
+ rte_pktmbuf_pkt_len((struct rte_mbuf *)addr);
}
sq->size -= num - nb_pkts;
}
+ q->bytes_sent += bytes_sent;
+
return nb_pkts;
}
* ret == -EEXIST is correct, it means DMA
* has been already initialized (by another PMD).
*/
- ret = mv_sys_dma_mem_init(RTE_MRVL_MUSDK_DMA_MEMSIZE);
- if (ret < 0 && ret != -EEXIST)
- goto out_free_kvlist;
+ ret = mv_sys_dma_mem_init(MRVL_MUSDK_DMA_MEMSIZE);
+ if (ret < 0) {
+ if (ret != -EEXIST)
+ goto out_free_kvlist;
+ else
+ RTE_LOG(INFO, PMD,
+ "DMA memory has been already initialized by a different driver.\n");
+ }
ret = mrvl_init_pp2();
if (ret) {
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