net/sfc: support new representor parameter syntax

[dpdk.git] / drivers / net / sfc / sfc_ef100_tx.c

diff --git a/drivers/net/sfc/sfc_ef100_tx.c b/drivers/net/sfc/sfc_ef100_tx.c
index 9eb42c3..e166fda 100644 (file)
--- a/drivers/net/sfc/sfc_ef100_tx.c
+++ b/drivers/net/sfc/sfc_ef100_tx.c
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: BSD-3-Clause
  *
- * Copyright(c) 2019-2020 Xilinx, Inc.
+ * Copyright(c) 2019-2021 Xilinx, Inc.
  * Copyright(c) 2018-2019 Solarflare Communications Inc.
  *
  * This software was jointly developed between OKTET Labs (under contract
@@ -10,6 +10,7 @@
 #include <stdbool.h>
 
 #include <rte_mbuf.h>
+#include <rte_mbuf_dyn.h>
 #include <rte_io.h>
 #include <rte_net.h>
 
@@ -309,6 +310,19 @@ sfc_ef100_tx_reap(struct sfc_ef100_txq *txq)
        sfc_ef100_tx_reap_num_descs(txq, sfc_ef100_tx_process_events(txq));
 }
 
+static void
+sfc_ef100_tx_qdesc_prefix_create(const struct rte_mbuf *m, efx_oword_t *tx_desc)
+{
+       efx_mport_id_t *mport_id =
+               RTE_MBUF_DYNFIELD(m, sfc_dp_mport_offset, efx_mport_id_t *);
+
+       EFX_POPULATE_OWORD_3(*tx_desc,
+                       ESF_GZ_TX_PREFIX_EGRESS_MPORT,
+                       mport_id->id,
+                       ESF_GZ_TX_PREFIX_EGRESS_MPORT_EN, 1,
+                       ESF_GZ_TX_DESC_TYPE, ESE_GZ_TX_DESC_TYPE_PREFIX);
+}
+
 static uint8_t
 sfc_ef100_tx_qdesc_cso_inner_l3(uint64_t tx_tunnel)
 {
@@ -489,6 +503,7 @@ sfc_ef100_tx_qpush(struct sfc_ef100_txq *txq, unsigned int added)
         * operations that follow it (i.e. doorbell write).
         */
        rte_write32(dword.ed_u32[0], txq->doorbell);
+       txq->dp.dpq.tx_dbells++;
 
        sfc_ef100_tx_debug(txq, "TxQ pushed doorbell at pidx %u (added=%u)",
                           EFX_DWORD_FIELD(dword, ERF_GZ_TX_RING_PIDX),
@@ -524,6 +539,11 @@ sfc_ef100_tx_pkt_descs_max(const struct rte_mbuf *m)
                                 SFC_MBUF_SEG_LEN_MAX));
        }
 
+       if (m->ol_flags & sfc_dp_mport_override) {
+               /* Tx override prefix descriptor will be used */
+               extra_descs++;
+       }
+
        /*
         * Any segment of scattered packet cannot be bigger than maximum
         * segment length. Make sure that subsequent segments do not need
@@ -670,6 +690,12 @@ sfc_ef100_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                                break;
                }
 
+               if (m_seg->ol_flags & sfc_dp_mport_override) {
+                       id = added++ & txq->ptr_mask;
+                       sfc_ef100_tx_qdesc_prefix_create(m_seg,
+                                                        &txq->txq_hw_ring[id]);
+               }
+
                if (m_seg->ol_flags & PKT_TX_TCP_SEG) {
                        m_seg = sfc_ef100_xmit_tso_pkt(txq, m_seg, &added);
                } else {
@@ -709,6 +735,9 @@ sfc_ef100_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
                }
 
                dma_desc_space -= (added - pkt_start);
+
+               sfc_pkts_bytes_add(&txq->dp.dpq.stats, 1,
+                                  rte_pktmbuf_pkt_len(*pktp));
        }
 
        if (likely(added != txq->added)) {
@@ -939,7 +968,8 @@ struct sfc_dp_tx sfc_ef100_tx = {
                .type           = SFC_DP_TX,
                .hw_fw_caps     = SFC_DP_HW_FW_CAP_EF100,
        },
-       .features               = SFC_DP_TX_FEAT_MULTI_PROCESS,
+       .features               = SFC_DP_TX_FEAT_MULTI_PROCESS |
+                                 SFC_DP_TX_FEAT_STATS,
        .dev_offload_capa       = 0,
        .queue_offload_capa     = DEV_TX_OFFLOAD_VLAN_INSERT |
                                  DEV_TX_OFFLOAD_IPV4_CKSUM |