i40e: add debug logs for Tx context descriptors

This could be useful to have this values for debug purposes.

Suggested-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
Signed-off-by: Olivier Matz <olivier.matz@6wind.com>
Acked-by: Jijiang Liu <jijiang.liu@intel.com>

diff --git a/lib/librte_pmd_i40e/i40e_rxtx.c b/lib/librte_pmd_i40e/i40e_rxtx.c
index 546f4d1..c9f1026 100644 (file)
--- a/lib/librte_pmd_i40e/i40e_rxtx.c
+++ b/lib/librte_pmd_i40e/i40e_rxtx.c
@@ -1298,6 +1298,18 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                        ctx_txd->l2tag2 = rte_cpu_to_le_16(cd_l2tag2);
                        ctx_txd->type_cmd_tso_mss =
                                rte_cpu_to_le_64(cd_type_cmd_tso_mss);
+
+                       PMD_TX_LOG(DEBUG, "mbuf: %p, TCD[%u]:\n"
+                               "tunneling_params: %#x;\n"
+                               "l2tag2: %#hx;\n"
+                               "rsvd: %#hx;\n"
+                               "type_cmd_tso_mss: %#lx;\n",
+                               tx_pkt, tx_id,
+                               ctx_txd->tunneling_params,
+                               ctx_txd->l2tag2,
+                               ctx_txd->rsvd,
+                               ctx_txd->type_cmd_tso_mss);
+
                        txe->last_id = tx_last;
                        tx_id = txe->next_id;
                        txe = txn;
@@ -1315,6 +1327,16 @@ i40e_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                        /* Setup TX Descriptor */
                        slen = m_seg->data_len;
                        buf_dma_addr = RTE_MBUF_DATA_DMA_ADDR(m_seg);
+
+                       PMD_TX_LOG(DEBUG, "mbuf: %p, TDD[%u]:\n"
+                               "buf_dma_addr: %#"PRIx64";\n"
+                               "td_cmd: %#x;\n"
+                               "td_offset: %#x;\n"
+                               "td_len: %u;\n"
+                               "td_tag: %#x;\n",
+                               tx_pkt, tx_id, buf_dma_addr,
+                               td_cmd, td_offset, slen, td_tag);
+
                        txd->buffer_addr = rte_cpu_to_le_64(buf_dma_addr);
                        txd->cmd_type_offset_bsz = i40e_build_ctob(td_cmd,
                                                td_offset, slen, td_tag);