From: Sunil Kumar Kori <skori@marvell.com>
Date: Wed, 23 Jun 2021 04:46:39 +0000 (+0530)
Subject: net/cnxk: support link up/down operations
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=fef6ee07293465ac79d3ae52a221761609f6ddab;p=dpdk.git

net/cnxk: support link up/down operations

Patch implements link up/down ethdev operations for
cn9k and cn10k platform.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index abca49b822..a18d1d5ae6 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -975,7 +975,7 @@ fail_configure:
 	return rc;
 }
 
-static int
+int
 cnxk_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qid)
 {
 	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
@@ -1189,6 +1189,8 @@ struct eth_dev_ops cnxk_eth_dev_ops = {
 	.tx_burst_mode_get = cnxk_nix_tx_burst_mode_get,
 	.flow_ctrl_get = cnxk_nix_flow_ctrl_get,
 	.flow_ctrl_set = cnxk_nix_flow_ctrl_set,
+	.dev_set_link_up = cnxk_nix_set_link_up,
+	.dev_set_link_down = cnxk_nix_set_link_down,
 };
 
 static int
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index e788a42c39..5e982f92d9 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -251,6 +251,9 @@ int cnxk_nix_flow_ctrl_set(struct rte_eth_dev *eth_dev,
 			   struct rte_eth_fc_conf *fc_conf);
 int cnxk_nix_flow_ctrl_get(struct rte_eth_dev *eth_dev,
 			   struct rte_eth_fc_conf *fc_conf);
+int cnxk_nix_set_link_up(struct rte_eth_dev *eth_dev);
+int cnxk_nix_set_link_down(struct rte_eth_dev *eth_dev);
+
 int cnxk_nix_configure(struct rte_eth_dev *eth_dev);
 int cnxk_nix_tx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
 			    uint16_t nb_desc, uint16_t fp_tx_q_sz,
@@ -259,6 +262,7 @@ int cnxk_nix_rx_queue_setup(struct rte_eth_dev *eth_dev, uint16_t qid,
 			    uint16_t nb_desc, uint16_t fp_rx_q_sz,
 			    const struct rte_eth_rxconf *rx_conf,
 			    struct rte_mempool *mp);
+int cnxk_nix_tx_queue_start(struct rte_eth_dev *eth_dev, uint16_t qid);
 int cnxk_nix_tx_queue_stop(struct rte_eth_dev *eth_dev, uint16_t qid);
 int cnxk_nix_dev_start(struct rte_eth_dev *eth_dev);
 
diff --git a/drivers/net/cnxk/cnxk_ethdev_ops.c b/drivers/net/cnxk/cnxk_ethdev_ops.c
index 97c542880a..c8da129c37 100644
--- a/drivers/net/cnxk/cnxk_ethdev_ops.c
+++ b/drivers/net/cnxk/cnxk_ethdev_ops.c
@@ -512,3 +512,50 @@ cnxk_nix_allmulticast_disable(struct rte_eth_dev *eth_dev)
 	return roc_nix_npc_mcast_config(&dev->nix, false,
 					eth_dev->data->promiscuous);
 }
+
+int
+cnxk_nix_set_link_up(struct rte_eth_dev *eth_dev)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+	struct roc_nix *nix = &dev->nix;
+	int rc, i;
+
+	if (roc_nix_is_vf_or_sdp(nix))
+		return -ENOTSUP;
+
+	rc = roc_nix_mac_link_state_set(nix, true);
+	if (rc)
+		goto exit;
+
+	/* Start tx queues  */
+	for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
+		rc = cnxk_nix_tx_queue_start(eth_dev, i);
+		if (rc)
+			goto exit;
+	}
+
+exit:
+	return rc;
+}
+
+int
+cnxk_nix_set_link_down(struct rte_eth_dev *eth_dev)
+{
+	struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+	struct roc_nix *nix = &dev->nix;
+	int rc, i;
+
+	if (roc_nix_is_vf_or_sdp(nix))
+		return -ENOTSUP;
+
+	/* Stop tx queues  */
+	for (i = 0; i < eth_dev->data->nb_tx_queues; i++) {
+		rc = cnxk_nix_tx_queue_stop(eth_dev, i);
+		if (rc)
+			goto exit;
+	}
+
+	rc = roc_nix_mac_link_state_set(nix, false);
+exit:
+	return rc;
+}