net/octeontx2: add unicast MAC filter

Add unicast MAC filter for PF device and
update the respective feature list.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

doc/guides/nics/features/octeontx2.ini

@@ -12,6 +12,7 @@ Link status          = Y
 Link status event    = Y
 Promiscuous mode     = Y
 Allmulticast mode    = Y
+Unicast MAC filter   = Y
 Basic stats          = Y
 Stats per queue      = Y
 Extended stats       = Y

doc/guides/nics/features/octeontx2_vec.ini

@@ -12,6 +12,7 @@ Link status          = Y
 Link status event    = Y
 Promiscuous mode     = Y
 Allmulticast mode    = Y
+Unicast MAC filter   = Y
 Basic stats          = Y
 Extended stats       = Y
 Stats per queue      = Y

doc/guides/nics/octeontx2.rst

@@ -19,6 +19,7 @@ Features of the OCTEON TX2 Ethdev PMD are:
 - Promiscuous mode
 - SR-IOV VF
 - Lock-free Tx queue
+- MAC filtering
 - Port hardware statistics
 - Link state information
 - Debug utilities - Context dump and error interrupt support

drivers/net/octeontx2/otx2_ethdev.c

@@ -237,6 +237,9 @@ static const struct eth_dev_ops otx2_eth_dev_ops = {
 	.stats_get                = otx2_nix_dev_stats_get,
 	.stats_reset              = otx2_nix_dev_stats_reset,
 	.get_reg                  = otx2_nix_dev_get_reg,
+	.mac_addr_add             = otx2_nix_mac_addr_add,
+	.mac_addr_remove          = otx2_nix_mac_addr_del,
+	.mac_addr_set             = otx2_nix_mac_addr_set,
 	.promiscuous_enable       = otx2_nix_promisc_enable,
 	.promiscuous_disable      = otx2_nix_promisc_disable,
 	.allmulticast_enable      = otx2_nix_allmulticast_enable,

drivers/net/octeontx2/otx2_ethdev.h

@@ -232,7 +232,13 @@ int otx2_cgx_mac_addr_set(struct rte_eth_dev *eth_dev,
 			  struct rte_ether_addr *addr);
 
 /* Mac address handling */
+int otx2_nix_mac_addr_set(struct rte_eth_dev *eth_dev,
+			  struct rte_ether_addr *addr);
 int otx2_nix_mac_addr_get(struct rte_eth_dev *eth_dev, uint8_t *addr);
+int otx2_nix_mac_addr_add(struct rte_eth_dev *eth_dev,
+			  struct rte_ether_addr *addr,
+			  uint32_t index, uint32_t pool);
+void otx2_nix_mac_addr_del(struct rte_eth_dev *eth_dev, uint32_t index);
 int otx2_cgx_mac_max_entries_get(struct otx2_eth_dev *dev);
 
 /* Devargs */

drivers/net/octeontx2/otx2_mac.c

@@ -49,6 +49,83 @@ otx2_cgx_mac_max_entries_get(struct otx2_eth_dev *dev)
 	return rsp->max_dmac_filters;
 }
 
+int
+otx2_nix_mac_addr_add(struct rte_eth_dev *eth_dev, struct rte_ether_addr *addr,
+		      uint32_t index __rte_unused, uint32_t pool __rte_unused)
+{
+	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+	struct otx2_mbox *mbox = dev->mbox;
+	struct cgx_mac_addr_add_req *req;
+	struct cgx_mac_addr_add_rsp *rsp;
+	int rc;
+
+	if (otx2_dev_is_vf(dev))
+		return -ENOTSUP;
+
+	if (otx2_dev_active_vfs(dev))
+		return -ENOTSUP;
+
+	req = otx2_mbox_alloc_msg_cgx_mac_addr_add(mbox);
+	otx2_mbox_memcpy(req->mac_addr, addr->addr_bytes, RTE_ETHER_ADDR_LEN);
+
+	rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
+	if (rc) {
+		otx2_err("Failed to add mac address, rc=%d", rc);
+		goto done;
+	}
+
+	/* Enable promiscuous mode at NIX level */
+	otx2_nix_promisc_config(eth_dev, 1);
+
+done:
+	return rc;
+}
+
+void
+otx2_nix_mac_addr_del(struct rte_eth_dev *eth_dev, uint32_t index)
+{
+	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+	struct otx2_mbox *mbox = dev->mbox;
+	struct cgx_mac_addr_del_req *req;
+	int rc;
+
+	if (otx2_dev_is_vf(dev))
+		return;
+
+	req = otx2_mbox_alloc_msg_cgx_mac_addr_del(mbox);
+	req->index = index;
+
+	rc = otx2_mbox_process(mbox);
+	if (rc)
+		otx2_err("Failed to delete mac address, rc=%d", rc);
+}
+
+int
+otx2_nix_mac_addr_set(struct rte_eth_dev *eth_dev, struct rte_ether_addr *addr)
+{
+	struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+	struct otx2_mbox *mbox = dev->mbox;
+	struct nix_set_mac_addr *req;
+	int rc;
+
+	req = otx2_mbox_alloc_msg_nix_set_mac_addr(mbox);
+	otx2_mbox_memcpy(req->mac_addr, addr->addr_bytes, RTE_ETHER_ADDR_LEN);
+
+	rc = otx2_mbox_process(mbox);
+	if (rc) {
+		otx2_err("Failed to set mac address, rc=%d", rc);
+		goto done;
+	}
+
+	otx2_mbox_memcpy(dev->mac_addr, addr->addr_bytes, RTE_ETHER_ADDR_LEN);
+
+	/* Install the same entry into CGX DMAC filter table too. */
+	otx2_cgx_mac_addr_set(eth_dev, addr);
+
+done:
+	return rc;
+}
+
 int
 otx2_nix_mac_addr_get(struct rte_eth_dev *eth_dev, uint8_t *addr)
 {