+static uint16_t
+octeontx_tx_offload_flags(struct rte_eth_dev *eth_dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
+ uint16_t flags = 0;
+
+ if (nic->tx_offloads & RTE_ETH_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
+ nic->tx_offloads & RTE_ETH_TX_OFFLOAD_OUTER_UDP_CKSUM)
+ flags |= OCCTX_TX_OFFLOAD_OL3_OL4_CSUM_F;
+
+ if (nic->tx_offloads & RTE_ETH_TX_OFFLOAD_IPV4_CKSUM ||
+ nic->tx_offloads & RTE_ETH_TX_OFFLOAD_TCP_CKSUM ||
+ nic->tx_offloads & RTE_ETH_TX_OFFLOAD_UDP_CKSUM ||
+ nic->tx_offloads & RTE_ETH_TX_OFFLOAD_SCTP_CKSUM)
+ flags |= OCCTX_TX_OFFLOAD_L3_L4_CSUM_F;
+
+ if (!(nic->tx_offloads & RTE_ETH_TX_OFFLOAD_MBUF_FAST_FREE))
+ flags |= OCCTX_TX_OFFLOAD_MBUF_NOFF_F;
+
+ if (nic->tx_offloads & RTE_ETH_TX_OFFLOAD_MULTI_SEGS)
+ flags |= OCCTX_TX_MULTI_SEG_F;
+
+ return flags;
+}
+
+static uint16_t
+octeontx_rx_offload_flags(struct rte_eth_dev *eth_dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
+ uint16_t flags = 0;
+
+ if (nic->rx_offloads & (RTE_ETH_RX_OFFLOAD_TCP_CKSUM |
+ RTE_ETH_RX_OFFLOAD_UDP_CKSUM))
+ flags |= OCCTX_RX_OFFLOAD_CSUM_F;
+
+ if (nic->rx_offloads & (RTE_ETH_RX_OFFLOAD_IPV4_CKSUM |
+ RTE_ETH_RX_OFFLOAD_OUTER_IPV4_CKSUM))
+ flags |= OCCTX_RX_OFFLOAD_CSUM_F;
+
+ if (nic->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER) {
+ flags |= OCCTX_RX_MULTI_SEG_F;
+ eth_dev->data->scattered_rx = 1;
+ /* If scatter mode is enabled, TX should also be in multi
+ * seg mode, else memory leak will occur
+ */
+ nic->tx_offloads |= RTE_ETH_TX_OFFLOAD_MULTI_SEGS;
+ }
+
+ return flags;
+}
+
+static int
+octeontx_dev_configure(struct rte_eth_dev *dev)
+{
+ struct rte_eth_dev_data *data = dev->data;
+ struct rte_eth_conf *conf = &data->dev_conf;
+ struct rte_eth_rxmode *rxmode = &conf->rxmode;
+ struct rte_eth_txmode *txmode = &conf->txmode;
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+ RTE_SET_USED(conf);
+
+ if (!rte_eal_has_hugepages()) {
+ octeontx_log_err("huge page is not configured");
+ return -EINVAL;
+ }
+
+ if (txmode->mq_mode) {
+ octeontx_log_err("tx mq_mode DCB or VMDq not supported");
+ return -EINVAL;
+ }
+
+ if (rxmode->mq_mode != RTE_ETH_MQ_RX_NONE &&
+ rxmode->mq_mode != RTE_ETH_MQ_RX_RSS) {
+ octeontx_log_err("unsupported rx qmode %d", rxmode->mq_mode);
+ return -EINVAL;
+ }
+
+ if (!(txmode->offloads & RTE_ETH_TX_OFFLOAD_MT_LOCKFREE)) {
+ PMD_INIT_LOG(NOTICE, "cant disable lockfree tx");
+ txmode->offloads |= RTE_ETH_TX_OFFLOAD_MT_LOCKFREE;
+ }
+
+ if (conf->dcb_capability_en) {
+ octeontx_log_err("DCB enable not supported");
+ return -EINVAL;
+ }
+
+ if (conf->fdir_conf.mode != RTE_FDIR_MODE_NONE) {
+ octeontx_log_err("flow director not supported");
+ return -EINVAL;
+ }
+
+ nic->num_tx_queues = dev->data->nb_tx_queues;
+
+ if (!nic->reconfigure) {
+ ret = octeontx_pko_channel_open(nic->pko_vfid * PKO_VF_NUM_DQ,
+ nic->num_tx_queues,
+ nic->base_ochan);
+ if (ret) {
+ octeontx_log_err("failed to open channel %d no-of-txq %d",
+ nic->base_ochan, nic->num_tx_queues);
+ return -EFAULT;
+ }
+
+ ret = octeontx_dev_vlan_offload_init(dev);
+ if (ret) {
+ octeontx_log_err("failed to initialize vlan offload");
+ return -EFAULT;
+ }
+
+ nic->pki.classifier_enable = false;
+ nic->pki.hash_enable = true;
+ nic->pki.initialized = false;
+ }
+
+ nic->rx_offloads |= rxmode->offloads;
+ nic->tx_offloads |= txmode->offloads;
+ nic->rx_offload_flags |= octeontx_rx_offload_flags(dev);
+ nic->tx_offload_flags |= octeontx_tx_offload_flags(dev);
+
+ nic->reconfigure = true;
+
+ return 0;
+}
+
+static int
+octeontx_dev_close(struct rte_eth_dev *dev)
+{
+ struct octeontx_txq *txq = NULL;
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ unsigned int i;
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ /* Stopping/closing event device once all eth ports are closed. */
+ if (__atomic_sub_fetch(&evdev_refcnt, 1, __ATOMIC_ACQUIRE) == 0) {
+ rte_event_dev_stop(nic->evdev);
+ rte_event_dev_close(nic->evdev);
+ }
+
+ octeontx_dev_flow_ctrl_fini(dev);
+
+ octeontx_dev_vlan_offload_fini(dev);
+
+ ret = octeontx_pko_channel_close(nic->base_ochan);
+ if (ret < 0) {
+ octeontx_log_err("failed to close channel %d VF%d %d %d",
+ nic->base_ochan, nic->port_id, nic->num_tx_queues,
+ ret);
+ }
+ /* Free txq resources for this port */
+ for (i = 0; i < nic->num_tx_queues; i++) {
+ txq = dev->data->tx_queues[i];
+ if (!txq)
+ continue;
+
+ rte_free(txq);
+ }
+
+ octeontx_port_close(nic);
+ nic->reconfigure = false;
+
+ return 0;
+}
+
+static int
+octeontx_dev_mtu_set(struct rte_eth_dev *eth_dev, uint16_t mtu)
+{
+ uint32_t buffsz, frame_size = mtu + OCCTX_L2_OVERHEAD;
+ struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
+ struct rte_eth_dev_data *data = eth_dev->data;
+ int rc = 0;
+
+ buffsz = data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
+
+ /* Refuse MTU that requires the support of scattered packets
+ * when this feature has not been enabled before.
+ */
+ if (data->dev_started && frame_size > buffsz &&
+ !(nic->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER)) {
+ octeontx_log_err("Scatter mode is disabled");
+ return -EINVAL;
+ }
+
+ /* Check <seg size> * <max_seg> >= max_frame */
+ if ((nic->rx_offloads & RTE_ETH_RX_OFFLOAD_SCATTER) &&
+ (frame_size > buffsz * OCCTX_RX_NB_SEG_MAX))
+ return -EINVAL;
+
+ rc = octeontx_pko_send_mtu(nic->port_id, frame_size);
+ if (rc)
+ return rc;
+
+ rc = octeontx_bgx_port_mtu_set(nic->port_id, frame_size);
+ if (rc)
+ return rc;
+
+ octeontx_log_info("Received pkt beyond maxlen %d will be dropped",
+ frame_size);
+
+ return rc;
+}
+
+static int
+octeontx_recheck_rx_offloads(struct octeontx_rxq *rxq)
+{
+ struct rte_eth_dev *eth_dev = rxq->eth_dev;
+ struct octeontx_nic *nic = octeontx_pmd_priv(eth_dev);
+ struct rte_eth_dev_data *data = eth_dev->data;
+ struct rte_pktmbuf_pool_private *mbp_priv;
+ struct evdev_priv_data *evdev_priv;
+ struct rte_eventdev *dev;
+ uint32_t buffsz;
+
+ /* Get rx buffer size */
+ mbp_priv = rte_mempool_get_priv(rxq->pool);
+ buffsz = mbp_priv->mbuf_data_room_size - RTE_PKTMBUF_HEADROOM;
+
+ /* Setup scatter mode if needed by jumbo */
+ if (data->mtu > buffsz) {
+ nic->rx_offloads |= RTE_ETH_RX_OFFLOAD_SCATTER;
+ nic->rx_offload_flags |= octeontx_rx_offload_flags(eth_dev);
+ nic->tx_offload_flags |= octeontx_tx_offload_flags(eth_dev);
+ }
+
+ /* Sharing offload flags via eventdev priv region */
+ dev = &rte_eventdevs[rxq->evdev];
+ evdev_priv = dev->data->dev_private;
+ evdev_priv->rx_offload_flags = nic->rx_offload_flags;
+ evdev_priv->tx_offload_flags = nic->tx_offload_flags;
+
+ /* Setup MTU */
+ nic->mtu = data->mtu;
+
+ return 0;
+}
+
+static int
+octeontx_dev_start(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ struct octeontx_rxq *rxq;
+ int ret, i;
+
+ PMD_INIT_FUNC_TRACE();
+ /* Rechecking if any new offload set to update
+ * rx/tx burst function pointer accordingly.
+ */
+ for (i = 0; i < dev->data->nb_rx_queues; i++) {
+ rxq = dev->data->rx_queues[i];
+ octeontx_recheck_rx_offloads(rxq);
+ }
+
+ /* Setting up the mtu */
+ ret = octeontx_dev_mtu_set(dev, nic->mtu);
+ if (ret) {
+ octeontx_log_err("Failed to set default MTU size %d", ret);
+ goto error;
+ }
+
+ /* Apply new link configurations if changed */
+ ret = octeontx_apply_link_speed(dev);
+ if (ret) {
+ octeontx_log_err("Failed to set link configuration: %d", ret);
+ goto error;
+ }
+
+ /*
+ * Tx start
+ */
+ octeontx_set_tx_function(dev);
+ ret = octeontx_pko_channel_start(nic->base_ochan);
+ if (ret < 0) {
+ octeontx_log_err("fail to conf VF%d no. txq %d chan %d ret %d",
+ nic->port_id, nic->num_tx_queues, nic->base_ochan,
+ ret);
+ goto error;
+ }
+
+ /*
+ * Rx start
+ */
+ dev->rx_pkt_burst = octeontx_recv_pkts;
+ ret = octeontx_pki_port_start(nic->port_id);
+ if (ret < 0) {
+ octeontx_log_err("fail to start Rx on port %d", nic->port_id);
+ goto channel_stop_error;
+ }
+
+ /*
+ * Start port
+ */
+ ret = octeontx_port_start(nic);
+ if (ret < 0) {
+ octeontx_log_err("failed start port %d", ret);
+ goto pki_port_stop_error;
+ }
+
+ PMD_TX_LOG(DEBUG, "pko: start channel %d no.of txq %d port %d",
+ nic->base_ochan, nic->num_tx_queues, nic->port_id);
+
+ ret = rte_event_dev_start(nic->evdev);
+ if (ret < 0) {
+ octeontx_log_err("failed to start evdev: ret (%d)", ret);
+ goto pki_port_stop_error;
+ }
+
+ /* Success */
+ return ret;
+
+pki_port_stop_error:
+ octeontx_pki_port_stop(nic->port_id);
+channel_stop_error:
+ octeontx_pko_channel_stop(nic->base_ochan);
+error:
+ return ret;
+}
+
+static int
+octeontx_dev_stop(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ int ret;
+
+ PMD_INIT_FUNC_TRACE();
+
+ ret = octeontx_port_stop(nic);
+ if (ret < 0) {
+ octeontx_log_err("failed to req stop port %d res=%d",
+ nic->port_id, ret);
+ return ret;
+ }
+
+ ret = octeontx_pki_port_stop(nic->port_id);
+ if (ret < 0) {
+ octeontx_log_err("failed to stop pki port %d res=%d",
+ nic->port_id, ret);
+ return ret;
+ }
+
+ ret = octeontx_pko_channel_stop(nic->base_ochan);
+ if (ret < 0) {
+ octeontx_log_err("failed to stop channel %d VF%d %d %d",
+ nic->base_ochan, nic->port_id, nic->num_tx_queues,
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int
+octeontx_dev_promisc_enable(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_promisc_set(nic, 1);
+}
+
+static int
+octeontx_dev_promisc_disable(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_promisc_set(nic, 0);
+}
+
+static int
+octeontx_port_link_status(struct octeontx_nic *nic)
+{
+ int res;
+
+ PMD_INIT_FUNC_TRACE();
+ res = octeontx_bgx_port_link_status(nic->port_id);
+ if (res < 0) {
+ octeontx_log_err("failed to get port %d link status",
+ nic->port_id);
+ return res;
+ }
+
+ if (nic->link_up != (uint8_t)res || nic->print_flag == -1) {
+ nic->link_up = (uint8_t)res;
+ nic->print_flag = 1;
+ }
+ octeontx_log_dbg("port %d link status %d", nic->port_id, nic->link_up);
+
+ return res;
+}
+
+/*
+ * Return 0 means link status changed, -1 means not changed
+ */
+static int
+octeontx_dev_link_update(struct rte_eth_dev *dev,
+ int wait_to_complete __rte_unused)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ struct rte_eth_link link;
+ int res;
+
+ PMD_INIT_FUNC_TRACE();
+
+ res = octeontx_port_link_status(nic);
+ if (res < 0) {
+ octeontx_log_err("failed to request link status %d", res);
+ return res;
+ }
+
+ octeontx_link_status_update(nic, &link);
+ if (nic->print_flag) {
+ octeontx_link_status_print(nic->dev, &link);
+ nic->print_flag = 0;
+ }
+
+ return rte_eth_linkstatus_set(dev, &link);
+}
+
+static int
+octeontx_port_mcast_set(struct octeontx_nic *nic, int en)
+{
+ struct rte_eth_dev *dev;
+ int res;
+
+ res = 0;
+ PMD_INIT_FUNC_TRACE();
+ dev = nic->dev;
+
+ res = octeontx_bgx_port_multicast_set(nic->port_id, en);
+ if (res < 0) {
+ octeontx_log_err("failed to set multicast mode %d",
+ nic->port_id);
+ return res;
+ }
+
+ /* Set proper flag for the mode */
+ dev->data->all_multicast = (en != 0) ? 1 : 0;
+
+ octeontx_log_dbg("port %d : multicast mode %s",
+ nic->port_id, en ? "set" : "unset");
+
+ return 0;
+}
+
+static int
+octeontx_allmulticast_enable(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_mcast_set(nic, 1);
+}
+
+static int
+octeontx_allmulticast_disable(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_mcast_set(nic, 0);
+}
+
+static inline int octeontx_dev_total_xstat(void)
+{
+ return NUM_BGX_XSTAT;
+}
+
+static int
+octeontx_port_xstats(struct octeontx_nic *nic, struct rte_eth_xstat *xstats,
+ unsigned int n)
+{
+ octeontx_mbox_bgx_port_stats_t bgx_stats;
+ int stat_cnt, res, si, i;
+
+ res = octeontx_bgx_port_xstats(nic->port_id, &bgx_stats);
+ if (res < 0) {
+ octeontx_log_err("failed to get port stats %d", nic->port_id);
+ return res;
+ }
+
+ si = 0;
+ /* Fill BGX stats */
+ stat_cnt = (n > NUM_BGX_XSTAT) ? NUM_BGX_XSTAT : n;
+ n = n - stat_cnt;
+ for (i = 0; i < stat_cnt; i++) {
+ xstats[si].id = si;
+ xstats[si].value = *(uint64_t *)(((char *)&bgx_stats) +
+ octeontx_bgx_xstats[i].soffset);
+ si++;
+ }
+ /*TODO: Similarly fill rest of HW stats */
+
+ return si;
+}
+
+static int
+octeontx_dev_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
+ uint64_t *stat_val, unsigned int n)
+{
+ unsigned int i, xstat_cnt = octeontx_dev_total_xstat();
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ struct rte_eth_xstat xstats[xstat_cnt];
+
+ octeontx_port_xstats(nic, xstats, xstat_cnt);
+ for (i = 0; i < n; i++) {
+ if (ids[i] >= xstat_cnt) {
+ PMD_INIT_LOG(ERR, "out of range id value");
+ return -1;
+ }
+ stat_val[i] = xstats[ids[i]].value;
+ }
+ return n;
+}
+
+static int
+octeontx_dev_xstats_get_names(struct rte_eth_dev *dev __rte_unused,
+ struct rte_eth_xstat_name *xstats_names,
+ unsigned int size)
+{
+ int stat_cnt, si, i;
+
+ if (xstats_names) {
+ si = 0;
+ /* Fill BGX stats */
+ stat_cnt = (size > NUM_BGX_XSTAT) ? NUM_BGX_XSTAT : size;
+ size = size - stat_cnt;
+ for (i = 0; i < stat_cnt; i++) {
+ strlcpy(xstats_names[si].name,
+ octeontx_bgx_xstats[i].sname,
+ sizeof(xstats_names[si].name));
+ si++;
+ }
+ /*TODO: Similarly fill rest of HW stats */
+ return si;
+ } else {
+ return octeontx_dev_total_xstat();
+ }
+}
+
+static void build_xstat_names(struct rte_eth_xstat_name *xstat_names)
+{
+ unsigned int i;
+
+ for (i = 0; i < NUM_BGX_XSTAT; i++) {
+ strlcpy(xstat_names[i].name, octeontx_bgx_xstats[i].sname,
+ RTE_ETH_XSTATS_NAME_SIZE);
+ }
+}
+
+static int
+octeontx_dev_xstats_get_names_by_id(struct rte_eth_dev *dev __rte_unused,
+ const uint64_t *ids,
+ struct rte_eth_xstat_name *stat_names,
+ unsigned int n)
+{
+ unsigned int i, xstat_cnt = octeontx_dev_total_xstat();
+ struct rte_eth_xstat_name xstat_names[xstat_cnt];
+
+ build_xstat_names(xstat_names);
+ for (i = 0; i < n; i++) {
+ if (ids[i] >= xstat_cnt) {
+ PMD_INIT_LOG(ERR, "out of range id value");
+ return -1;
+ }
+ strlcpy(stat_names[i].name, xstat_names[ids[i]].name,
+ sizeof(stat_names[i].name));
+ }
+ /*TODO: Similarly fill rest of HW stats */
+
+ return n;
+}
+
+static int
+octeontx_dev_xstats_get(struct rte_eth_dev *dev,
+ struct rte_eth_xstat *xstats,
+ unsigned int n)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_xstats(nic, xstats, n);
+}
+
+static int
+octeontx_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_stats(nic, stats);
+}
+
+static int
+octeontx_dev_stats_reset(struct rte_eth_dev *dev)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+
+ PMD_INIT_FUNC_TRACE();
+ return octeontx_port_stats_clr(nic);
+}
+
+static void
+octeontx_dev_mac_addr_del(struct rte_eth_dev *dev, uint32_t index)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ int ret;
+
+ ret = octeontx_bgx_port_mac_del(nic->port_id, index);
+ if (ret != 0)
+ octeontx_log_err("failed to del MAC address filter on port %d",
+ nic->port_id);
+}
+
+static int
+octeontx_dev_mac_addr_add(struct rte_eth_dev *dev,
+ struct rte_ether_addr *mac_addr,
+ uint32_t index,
+ __rte_unused uint32_t vmdq)
+{
+ struct octeontx_nic *nic = octeontx_pmd_priv(dev);
+ int ret;
+
+ ret = octeontx_bgx_port_mac_add(nic->port_id, mac_addr->addr_bytes,
+ index);
+ if (ret < 0) {
+ octeontx_log_err("failed to add MAC address filter on port %d",
+ nic->port_id);
+ return ret;
+ }
+
+ return 0;
+}
+