X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Focteontx2%2Fotx2_flow_ctrl.c;h=76bf48100183ec53051683a078f97165b4a4280f;hb=25ae7f1a5d9d127a46f8d62d1d689f77a78138fd;hp=1d00e46876bda16f359805b35c5715b19dc80cf8;hpb=30c234e4e91170cdd3c0c3e4d3eafa737403f7a2;p=dpdk.git

diff --git a/drivers/net/octeontx2/otx2_flow_ctrl.c b/drivers/net/octeontx2/otx2_flow_ctrl.c
index 1d00e46876..76bf481001 100644
--- a/drivers/net/octeontx2/otx2_flow_ctrl.c
+++ b/drivers/net/octeontx2/otx2_flow_ctrl.c
@@ -14,6 +14,9 @@ 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_sdp(dev))
+		return 0;
+
 	if (enb) {
 		req = otx2_mbox_alloc_msg_nix_bp_enable(mbox);
 		req->chan_base = 0;
@@ -50,6 +53,11 @@ otx2_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 	struct otx2_mbox *mbox = dev->mbox;
 	int rc;
 
+	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;
 
@@ -137,6 +145,11 @@ otx2_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 	uint8_t tx_pause, rx_pause;
 	int rc = 0;
 
+	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) {
 		otx2_info("Flowctrl parameter is not supported");
@@ -187,16 +200,18 @@ 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) &&
+	    (dev->npc_flow.switch_header_type != OTX2_PRIV_FLAGS_HIGIG) &&
 	    (fc_conf.mode == RTE_FC_FULL || fc_conf.mode == RTE_FC_RX_PAUSE)) {
 		fc_conf.mode =
 				(fc_conf.mode == RTE_FC_FULL ||
@@ -206,3 +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;
+}