net/octeontx2: skip flow control on LBK ports

[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 0392086..1b84998 100644 (file)
--- a/drivers/net/octeontx2/otx2_flow_ctrl.c
+++ b/drivers/net/octeontx2/otx2_flow_ctrl.c
@@ -14,9 +14,6 @@ otx2_nix_rxchan_bpid_cfg(struct rte_eth_dev *eth_dev, bool enb)
        struct nix_bp_cfg_rsp *rsp;
        int rc;
 
-       if (otx2_dev_is_vf(dev))
-               return 0;
-
        if (enb) {
                req = otx2_mbox_alloc_msg_nix_bp_enable(mbox);
                req->chan_base = 0;
@@ -53,8 +50,10 @@ otx2_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
        struct otx2_mbox *mbox = dev->mbox;
        int rc;
 
-       if (otx2_dev_is_vf(dev))
-               return -ENOTSUP;
+       if (otx2_dev_is_lbk(dev)) {
+               fc_conf->mode = RTE_FC_NONE;
+               return 0;
+       }
 
        req = otx2_mbox_alloc_msg_cgx_cfg_pause_frm(mbox);
        req->set = 0;
@@ -110,7 +109,7 @@ otx2_nix_cq_bp_cfg(struct rte_eth_dev *eth_dev, bool enb)
                if (enb) {
                        aq->cq.bpid = fc->bpid[0];
                        aq->cq_mask.bpid = ~(aq->cq_mask.bpid);
-                       aq->cq.bp = NIX_CQ_BP_LEVEL;
+                       aq->cq.bp = rxq->cq_drop;
                        aq->cq_mask.bp = ~(aq->cq_mask.bp);
                }
 
@@ -143,8 +142,10 @@ otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
        uint8_t tx_pause, rx_pause;
        int rc = 0;
 
-       if (otx2_dev_is_vf(dev))
+       if (otx2_dev_is_lbk(dev)) {
+               otx2_info("No flow control support for LBK bound ethports");
                return -ENOTSUP;
+       }
 
        if (fc_conf->high_water || fc_conf->low_water || fc_conf->pause_time ||
            fc_conf->mac_ctrl_frame_fwd || fc_conf->autoneg) {
@@ -162,8 +163,8 @@ otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 
        /* Check if TX pause frame is already enabled or not */
        if (fc->tx_pause ^ tx_pause) {
-               if (otx2_dev_is_A0(dev) && eth_dev->data->dev_started) {
-                       /* on A0, CQ should be in disabled state
+               if (otx2_dev_is_Ax(dev) && eth_dev->data->dev_started) {
+                       /* on Ax, CQ should be in disabled state
                         * while setting flow control configuration.
                         */
                        otx2_info("Stop the port=%d for setting flow control\n",
@@ -198,7 +199,7 @@ otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
        struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
        struct rte_eth_fc_conf fc_conf;
 
-       if (otx2_dev_is_vf(dev))
+       if (otx2_dev_is_lbk(dev))
                return 0;
 
        memset(&fc_conf, 0, sizeof(struct rte_eth_fc_conf));
@@ -207,8 +208,8 @@ otx2_nix_update_flow_ctrl_mode(struct rte_eth_dev *eth_dev)
         */
        otx2_nix_flow_ctrl_get(eth_dev, &fc_conf);
 
-       /* To avoid Link credit deadlock on A0, disable Tx FC if it's enabled */
-       if (otx2_dev_is_A0(dev) &&
+       /* To avoid Link credit deadlock on Ax, disable Tx FC if it's enabled */
+       if (otx2_dev_is_Ax(dev) &&
            (fc_conf.mode == RTE_FC_FULL || fc_conf.mode == RTE_FC_RX_PAUSE)) {
                fc_conf.mode =
                                (fc_conf.mode == RTE_FC_FULL ||