+/* Function to enable ptp config for VFs */
+static void
+nix_ptp_enable_vf(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+
+ if (nix_recalc_mtu(eth_dev))
+ plt_err("Failed to set MTU size for ptp");
+
+ dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
+
+ /* Setting up the function pointers as per new offload flags */
+ cn9k_eth_set_rx_function(eth_dev);
+ cn9k_eth_set_tx_function(eth_dev);
+}
+
+static uint16_t
+nix_ptp_vf_burst(void *queue, struct rte_mbuf **mbufs, uint16_t pkts)
+{
+ struct cn9k_eth_rxq *rxq = queue;
+ struct cnxk_eth_rxq_sp *rxq_sp;
+ struct rte_eth_dev *eth_dev;
+
+ RTE_SET_USED(mbufs);
+ RTE_SET_USED(pkts);
+
+ rxq_sp = cnxk_eth_rxq_to_sp(rxq);
+ eth_dev = rxq_sp->dev->eth_dev;
+ nix_ptp_enable_vf(eth_dev);
+
+ return 0;
+}
+
+static int
+cn9k_nix_ptp_info_update_cb(struct roc_nix *nix, bool ptp_en)
+{
+ struct cnxk_eth_dev *dev = (struct cnxk_eth_dev *)nix;
+ struct rte_eth_dev *eth_dev;
+ struct cn9k_eth_rxq *rxq;
+ int i;
+
+ if (!dev)
+ return -EINVAL;
+
+ eth_dev = dev->eth_dev;
+ if (!eth_dev)
+ return -EINVAL;
+
+ dev->ptp_en = ptp_en;
+
+ for (i = 0; i < eth_dev->data->nb_rx_queues; i++) {
+ rxq = eth_dev->data->rx_queues[i];
+ rxq->mbuf_initializer = cnxk_nix_rxq_mbuf_setup(dev);
+ }
+
+ if (roc_nix_is_vf_or_sdp(nix) && !(roc_nix_is_sdp(nix)) &&
+ !(roc_nix_is_lbk(nix))) {
+ /* In case of VF, setting of MTU cannot be done directly in this
+ * function as this is running as part of MBOX request(PF->VF)
+ * and MTU setting also requires MBOX message to be
+ * sent(VF->PF)
+ */
+ eth_dev->rx_pkt_burst = nix_ptp_vf_burst;
+ rte_mb();
+ }
+
+ return 0;
+}
+
+static int
+cn9k_nix_timesync_enable(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ int i, rc;
+
+ rc = cnxk_nix_timesync_enable(eth_dev);
+ if (rc)
+ return rc;
+
+ dev->rx_offload_flags |= NIX_RX_OFFLOAD_TSTAMP_F;
+ dev->tx_offload_flags |= NIX_TX_OFFLOAD_TSTAMP_F;
+
+ for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
+ nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
+
+ /* Setting up the rx[tx]_offload_flags due to change
+ * in rx[tx]_offloads.
+ */
+ cn9k_eth_set_rx_function(eth_dev);
+ cn9k_eth_set_tx_function(eth_dev);
+ return 0;
+}
+
+static int
+cn9k_nix_timesync_disable(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ int i, rc;
+
+ rc = cnxk_nix_timesync_disable(eth_dev);
+ if (rc)
+ return rc;
+
+ dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_TSTAMP_F;
+ dev->tx_offload_flags &= ~NIX_TX_OFFLOAD_TSTAMP_F;
+
+ for (i = 0; i < eth_dev->data->nb_tx_queues; i++)
+ nix_form_default_desc(dev, eth_dev->data->tx_queues[i], i);
+
+ /* Setting up the rx[tx]_offload_flags due to change
+ * in rx[tx]_offloads.
+ */
+ cn9k_eth_set_rx_function(eth_dev);
+ cn9k_eth_set_tx_function(eth_dev);
+ return 0;
+}
+
+static int
+cn9k_nix_dev_start(struct rte_eth_dev *eth_dev)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct roc_nix *nix = &dev->nix;
+ int rc;
+
+ /* Common eth dev start */
+ rc = cnxk_nix_dev_start(eth_dev);
+ if (rc)
+ return rc;
+
+ /* Update VF about data off shifted by 8 bytes if PTP already
+ * enabled in PF owning this VF
+ */
+ if (dev->ptp_en && (!roc_nix_is_pf(nix) && (!roc_nix_is_sdp(nix))))
+ nix_ptp_enable_vf(eth_dev);
+
+ /* Setting up the rx[tx]_offload_flags due to change
+ * in rx[tx]_offloads.
+ */
+ dev->rx_offload_flags |= nix_rx_offload_flags(eth_dev);
+ dev->tx_offload_flags |= nix_tx_offload_flags(eth_dev);
+
+ cn9k_eth_set_tx_function(eth_dev);
+ cn9k_eth_set_rx_function(eth_dev);
+ return 0;
+}
+
+static int
+cn9k_nix_timesync_read_tx_timestamp(struct rte_eth_dev *eth_dev,
+ struct timespec *timestamp)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct cnxk_timesync_info *tstamp = &dev->tstamp;
+ uint64_t ns;
+
+ if (*tstamp->tx_tstamp == 0)
+ return -EINVAL;
+
+ ns = rte_timecounter_update(&dev->tx_tstamp_tc, *tstamp->tx_tstamp);
+ *timestamp = rte_ns_to_timespec(ns);
+ *tstamp->tx_tstamp = 0;
+ rte_wmb();
+
+ return 0;
+}
+
+static int
+cn9k_nix_rx_metadata_negotiate(struct rte_eth_dev *eth_dev, uint64_t *features)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+
+ *features &=
+ (RTE_ETH_RX_METADATA_USER_FLAG | RTE_ETH_RX_METADATA_USER_MARK);
+
+ if (*features) {
+ dev->rx_offload_flags |= NIX_RX_OFFLOAD_MARK_UPDATE_F;
+ dev->rx_mark_update = true;
+ } else {
+ dev->rx_offload_flags &= ~NIX_RX_OFFLOAD_MARK_UPDATE_F;
+ dev->rx_mark_update = false;
+ }
+
+ cn9k_eth_set_rx_function(eth_dev);
+
+ return 0;
+}
+