net/cnxk: add cn9k segregated Rx functions

[dpdk.git] / drivers / net / cnxk / cnxk_ethdev_ops.c

diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c
index 6746430..f20f201 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -68,6 +68,7 @@ cnxk_nix_info_get(struct rte_eth_dev *eth_dev, struct rte_eth_dev_info *devinfo)
        devinfo->speed_capa = dev->speed_capa;
        devinfo->dev_capa = RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP |
                            RTE_ETH_DEV_CAPA_RUNTIME_TX_QUEUE_SETUP;
+       devinfo->dev_capa &= ~RTE_ETH_DEV_CAPA_FLOW_RULE_KEEP;
        return 0;
 }
 
@@ -227,7 +228,7 @@ nix_fc_cq_config_set(struct cnxk_eth_dev *dev, uint16_t qid, bool enable)
 
        memset(&fc_cfg, 0, sizeof(struct roc_nix_fc_cfg));
        cq = &dev->cqs[qid];
-       fc_cfg.cq_cfg_valid = true;
+       fc_cfg.type = ROC_NIX_FC_CQ_CFG;
        fc_cfg.cq_cfg.enable = enable;
        fc_cfg.cq_cfg.rq = qid;
        fc_cfg.cq_cfg.cq_drop = cq->drop_thresh;
@@ -250,7 +251,7 @@ cnxk_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
        uint8_t rx_pause, tx_pause;
        int rc, i;
 
-       if (roc_nix_is_vf_or_sdp(nix)) {
+       if (roc_nix_is_vf_or_sdp(nix) && !roc_nix_is_lbk(nix)) {
                plt_err("Flow control configuration is not allowed on VFs");
                return -ENOTSUP;
        }
@@ -287,6 +288,18 @@ cnxk_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
                }
        }
 
+       /* Check if RX pause frame is enabled or not */
+       if (fc->rx_pause ^ rx_pause) {
+               struct roc_nix_fc_cfg fc_cfg;
+
+               memset(&fc_cfg, 0, sizeof(struct roc_nix_fc_cfg));
+               fc_cfg.type = ROC_NIX_FC_TM_CFG;
+               fc_cfg.tm_cfg.enable = !!rx_pause;
+               rc = roc_nix_fc_config_set(nix, &fc_cfg);
+               if (rc)
+                       return rc;
+       }
+
        rc = roc_nix_fc_mode_set(nix, mode_map[fc_conf->mode]);
        if (rc)
                return rc;
@@ -504,7 +517,8 @@ cnxk_nix_allmulticast_enable(struct rte_eth_dev *eth_dev)
 {
        struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
 
-       return roc_nix_npc_mcast_config(&dev->nix, true, false);
+       return roc_nix_npc_mcast_config(&dev->nix, true,
+                                       eth_dev->data->promiscuous);
 }
 
 int
@@ -681,6 +695,66 @@ cnxk_nix_txq_info_get(struct rte_eth_dev *eth_dev, uint16_t qid,
        memcpy(&qinfo->conf, &txq_sp->qconf.conf.tx, sizeof(qinfo->conf));
 }
 
+uint32_t
+cnxk_nix_rx_queue_count(void *rxq)
+{
+       struct cnxk_eth_rxq_sp *rxq_sp = cnxk_eth_rxq_to_sp(rxq);
+       struct roc_nix *nix = &rxq_sp->dev->nix;
+       uint32_t head, tail;
+
+       roc_nix_cq_head_tail_get(nix, rxq_sp->qid, &head, &tail);
+       return (tail - head) % (rxq_sp->qconf.nb_desc);
+}
+
+static inline int
+nix_offset_has_packet(uint32_t head, uint32_t tail, uint16_t offset, bool is_rx)
+{
+       /* Check given offset(queue index) has packet filled/xmit by HW
+        * in case of Rx or Tx.
+        * Also, checks for wrap around case.
+        */
+       return ((tail > head && offset <= tail && offset >= head) ||
+               (head > tail && (offset >= head || offset <= tail))) ?
+                      is_rx :
+                      !is_rx;
+}
+
+int
+cnxk_nix_rx_descriptor_status(void *rxq, uint16_t offset)
+{
+       struct cnxk_eth_rxq_sp *rxq_sp = cnxk_eth_rxq_to_sp(rxq);
+       struct roc_nix *nix = &rxq_sp->dev->nix;
+       uint32_t head, tail;
+
+       if (rxq_sp->qconf.nb_desc <= offset)
+               return -EINVAL;
+
+       roc_nix_cq_head_tail_get(nix, rxq_sp->qid, &head, &tail);
+
+       if (nix_offset_has_packet(head, tail, offset, 1))
+               return RTE_ETH_RX_DESC_DONE;
+       else
+               return RTE_ETH_RX_DESC_AVAIL;
+}
+
+int
+cnxk_nix_tx_descriptor_status(void *txq, uint16_t offset)
+{
+       struct cnxk_eth_txq_sp *txq_sp = cnxk_eth_txq_to_sp(txq);
+       struct roc_nix *nix = &txq_sp->dev->nix;
+       uint32_t head = 0, tail = 0;
+
+       if (txq_sp->qconf.nb_desc <= offset)
+               return -EINVAL;
+
+       roc_nix_sq_head_tail_get(nix, txq_sp->qid, &head, &tail);
+
+       if (nix_offset_has_packet(head, tail, offset, 0))
+               return RTE_ETH_TX_DESC_DONE;
+       else
+               return RTE_ETH_TX_DESC_FULL;
+}
+
 /* It is a NOP for cnxk as HW frees the buffer on xmit */
 int
 cnxk_nix_tx_done_cleanup(void *txq, uint32_t free_cnt)