net/octeontx2: fix flow control initial state

[dpdk.git] / drivers / net / octeontx2 / otx2_flow_ctrl.c

diff --git a/drivers/net/octeontx2/otx2_flow_ctrl.c b/drivers/net/octeontx2/otx2_flow_ctrl.c
index 1c6929e..76bf481 100644 (file)
--- a/drivers/net/octeontx2/otx2_flow_ctrl.c
+++ b/drivers/net/octeontx2/otx2_flow_ctrl.c
@@ -200,16 +200,14 @@ int
 otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
 {
        struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+       struct otx2_fc_info *fc = &dev->fc_info;
        struct rte_eth_fc_conf fc_conf;
 
        if (otx2_dev_is_lbk(dev) || otx2_dev_is_sdp(dev))
                return 0;
 
        memset(&fc_conf, 0, sizeof(struct rte_eth_fc_conf));
-       /* Both Rx & Tx flow ctrl get enabled(RTE_FC_FULL) in HW
-        * by AF driver, update those info in PMD structure.
-        */
-       otx2_nix_flow_ctrl_get(eth_dev, &fc_conf);
+       fc_conf.mode = fc->mode;
 
        /* To avoid Link credit deadlock on Ax, disable Tx FC if it's enabled */
        if (otx2_dev_is_Ax(dev) &&
@@ -223,3 +221,32 @@ otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
 
        return otx2_nix_flow_ctrl_set(eth_dev, &fc_conf);
 }
+
+int
+otx2_nix_flow_ctrl_init(struct rte_eth_dev *eth_dev)
+{
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+       struct otx2_fc_info *fc = &dev->fc_info;
+       struct rte_eth_fc_conf fc_conf;
+       int rc;
+
+       if (otx2_dev_is_lbk(dev) || otx2_dev_is_sdp(dev))
+               return 0;
+
+       memset(&fc_conf, 0, sizeof(struct rte_eth_fc_conf));
+       /* Both Rx & Tx flow ctrl get enabled(RTE_FC_FULL) in HW
+        * by AF driver, update those info in PMD structure.
+        */
+       rc = otx2_nix_flow_ctrl_get(eth_dev, &fc_conf);
+       if (rc)
+               goto exit;
+
+       fc->mode = fc_conf.mode;
+       fc->rx_pause = (fc_conf.mode == RTE_FC_FULL) ||
+                       (fc_conf.mode == RTE_FC_RX_PAUSE);
+       fc->tx_pause = (fc_conf.mode == RTE_FC_FULL) ||
+                       (fc_conf.mode == RTE_FC_TX_PAUSE);
+
+exit:
+       return rc;
+}