+#ifdef RTE_LIBRTE_QEDE_DEBUG_TX
+static inline void
+print_tx_bd_info(struct qede_tx_queue *txq,
+ struct eth_tx_1st_bd *bd1,
+ struct eth_tx_2nd_bd *bd2,
+ struct eth_tx_3rd_bd *bd3,
+ uint64_t tx_ol_flags)
+{
+ char ol_buf[256] = { 0 }; /* for verbose prints */
+
+ if (bd1)
+ PMD_TX_LOG(INFO, txq,
+ "BD1: nbytes=%u nbds=%u bd_flags=04%x bf=%04x",
+ rte_cpu_to_le_16(bd1->nbytes), bd1->data.nbds,
+ bd1->data.bd_flags.bitfields,
+ rte_cpu_to_le_16(bd1->data.bitfields));
+ if (bd2)
+ PMD_TX_LOG(INFO, txq,
+ "BD2: nbytes=%u bf=%04x\n",
+ rte_cpu_to_le_16(bd2->nbytes), bd2->data.bitfields1);
+ if (bd3)
+ PMD_TX_LOG(INFO, txq,
+ "BD3: nbytes=%u bf=%04x mss=%u\n",
+ rte_cpu_to_le_16(bd3->nbytes),
+ rte_cpu_to_le_16(bd3->data.bitfields),
+ rte_cpu_to_le_16(bd3->data.lso_mss));
+
+ rte_get_tx_ol_flag_list(tx_ol_flags, ol_buf, sizeof(ol_buf));
+ PMD_TX_LOG(INFO, txq, "TX offloads = %s\n", ol_buf);
+}
+#endif
+
+/* TX prepare to check packets meets TX conditions */
+uint16_t
+#ifdef RTE_LIBRTE_QEDE_DEBUG_TX
+qede_xmit_prep_pkts(void *p_txq, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+ struct qede_tx_queue *txq = p_txq;
+#else
+qede_xmit_prep_pkts(__rte_unused void *p_txq, struct rte_mbuf **tx_pkts,
+ uint16_t nb_pkts)
+{
+#endif
+ uint64_t ol_flags;
+ struct rte_mbuf *m;
+ uint16_t i;
+ int ret;
+
+ for (i = 0; i < nb_pkts; i++) {
+ m = tx_pkts[i];
+ ol_flags = m->ol_flags;
+ if (ol_flags & PKT_TX_TCP_SEG) {
+ if (m->nb_segs >= ETH_TX_MAX_BDS_PER_LSO_PACKET) {
+ rte_errno = -EINVAL;
+ break;
+ }
+ /* TBD: confirm its ~9700B for both ? */
+ if (m->tso_segsz > ETH_TX_MAX_NON_LSO_PKT_LEN) {
+ rte_errno = -EINVAL;
+ break;
+ }
+ } else {
+ if (m->nb_segs >= ETH_TX_MAX_BDS_PER_NON_LSO_PACKET) {
+ rte_errno = -EINVAL;
+ break;
+ }
+ }
+ if (ol_flags & QEDE_TX_OFFLOAD_NOTSUP_MASK) {
+ rte_errno = -ENOTSUP;
+ break;
+ }
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+ ret = rte_validate_tx_offload(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ break;
+ }
+#endif
+ /* TBD: pseudo csum calcuation required iff
+ * ETH_TX_DATA_2ND_BD_L4_PSEUDO_CSUM_MODE not set?
+ */
+ ret = rte_net_intel_cksum_prepare(m);
+ if (ret != 0) {
+ rte_errno = ret;
+ break;
+ }
+ }
+
+#ifdef RTE_LIBRTE_QEDE_DEBUG_TX
+ if (unlikely(i != nb_pkts))
+ PMD_TX_LOG(ERR, txq, "TX prepare failed for %u\n",
+ nb_pkts - i);
+#endif
+ return i;
+}
+