+static uint16_t
+nix_rx_offload_flags(struct rte_eth_dev *eth_dev)
+{
+ struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+ struct rte_eth_dev_data *data = eth_dev->data;
+ struct rte_eth_conf *conf = &data->dev_conf;
+ struct rte_eth_rxmode *rxmode = &conf->rxmode;
+ uint16_t flags = 0;
+
+ if (rxmode->mq_mode == ETH_MQ_RX_RSS)
+ flags |= NIX_RX_OFFLOAD_RSS_F;
+
+ if (dev->rx_offloads & (DEV_RX_OFFLOAD_TCP_CKSUM |
+ DEV_RX_OFFLOAD_UDP_CKSUM))
+ flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
+
+ if (dev->rx_offloads & (DEV_RX_OFFLOAD_IPV4_CKSUM |
+ DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM))
+ flags |= NIX_RX_OFFLOAD_CHECKSUM_F;
+
+ if (dev->rx_offloads & DEV_RX_OFFLOAD_SCATTER)
+ flags |= NIX_RX_MULTI_SEG_F;
+
+ if (dev->rx_offloads & (DEV_RX_OFFLOAD_VLAN_STRIP |
+ DEV_RX_OFFLOAD_QINQ_STRIP))
+ flags |= NIX_RX_OFFLOAD_VLAN_STRIP_F;
+
+ if ((dev->rx_offloads & DEV_RX_OFFLOAD_TIMESTAMP))
+ flags |= NIX_RX_OFFLOAD_TSTAMP_F;
+
+ return flags;
+}
+
+static uint16_t
+nix_tx_offload_flags(struct rte_eth_dev *eth_dev)
+{
+ struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+ uint64_t conf = dev->tx_offloads;
+ uint16_t flags = 0;
+
+ /* Fastpath is dependent on these enums */
+ RTE_BUILD_BUG_ON(PKT_TX_TCP_CKSUM != (1ULL << 52));
+ RTE_BUILD_BUG_ON(PKT_TX_SCTP_CKSUM != (2ULL << 52));
+ RTE_BUILD_BUG_ON(PKT_TX_UDP_CKSUM != (3ULL << 52));
+ RTE_BUILD_BUG_ON(PKT_TX_IP_CKSUM != (1ULL << 54));
+ RTE_BUILD_BUG_ON(PKT_TX_IPV4 != (1ULL << 55));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_IP_CKSUM != (1ULL << 58));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV4 != (1ULL << 59));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_IPV6 != (1ULL << 60));
+ RTE_BUILD_BUG_ON(PKT_TX_OUTER_UDP_CKSUM != (1ULL << 41));
+ RTE_BUILD_BUG_ON(RTE_MBUF_L2_LEN_BITS != 7);
+ RTE_BUILD_BUG_ON(RTE_MBUF_L3_LEN_BITS != 9);
+ RTE_BUILD_BUG_ON(RTE_MBUF_OUTL2_LEN_BITS != 7);
+ RTE_BUILD_BUG_ON(RTE_MBUF_OUTL3_LEN_BITS != 9);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, data_off) !=
+ offsetof(struct rte_mbuf, buf_iova) + 8);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, ol_flags) !=
+ offsetof(struct rte_mbuf, buf_iova) + 16);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, pkt_len) !=
+ offsetof(struct rte_mbuf, ol_flags) + 12);
+ RTE_BUILD_BUG_ON(offsetof(struct rte_mbuf, tx_offload) !=
+ offsetof(struct rte_mbuf, pool) + 2 * sizeof(void *));
+
+ if (conf & DEV_TX_OFFLOAD_VLAN_INSERT ||
+ conf & DEV_TX_OFFLOAD_QINQ_INSERT)
+ flags |= NIX_TX_OFFLOAD_VLAN_QINQ_F;
+
+ if (conf & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM ||
+ conf & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)
+ flags |= NIX_TX_OFFLOAD_OL3_OL4_CSUM_F;
+
+ if (conf & DEV_TX_OFFLOAD_IPV4_CKSUM ||
+ conf & DEV_TX_OFFLOAD_TCP_CKSUM ||
+ conf & DEV_TX_OFFLOAD_UDP_CKSUM ||
+ conf & DEV_TX_OFFLOAD_SCTP_CKSUM)
+ flags |= NIX_TX_OFFLOAD_L3_L4_CSUM_F;
+
+ if (!(conf & DEV_TX_OFFLOAD_MBUF_FAST_FREE))
+ flags |= NIX_TX_OFFLOAD_MBUF_NOFF_F;
+
+ if (conf & DEV_TX_OFFLOAD_MULTI_SEGS)
+ flags |= NIX_TX_MULTI_SEG_F;
+
+ return flags;
+}
+