[dpdk-dev] [PATCH v6 17/22] net/atlantic: implement MAC address manipulations

[Igor Russkikh <Igor.Russkikh@aquantia.com>]

From: Pavel Belous <Pavel.Belous@aquantia.com>

Add support for adding/removing MAC addresses.

Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: Pavel Belous <Pavel.Belous@aquantia.com>
---
 doc/guides/nics/features/atlantic.ini |   1 +
 drivers/net/atlantic/atl_ethdev.c     | 105 ++++++++++++++++++++++++++++++++++
 2 files changed, 106 insertions(+)

diff --git a/doc/guides/nics/features/atlantic.ini b/doc/guides/nics/features/atlantic.ini
index e86707ea5c0a..1dd3ff87e512 100644
--- a/doc/guides/nics/features/atlantic.ini
+++ b/doc/guides/nics/features/atlantic.ini
@@ -11,6 +11,7 @@ Queue start/stop     = Y
 Jumbo frame          = Y
 Promiscuous mode     = Y
 Allmulticast mode    = Y
+Unicast MAC filter   = Y
 RSS hash             = Y
 RSS key update       = Y
 RSS reta update      = Y
diff --git a/drivers/net/atlantic/atl_ethdev.c b/drivers/net/atlantic/atl_ethdev.c
index 6ce4454fe2f3..6cee14b2dcba 100644
--- a/drivers/net/atlantic/atl_ethdev.c
+++ b/drivers/net/atlantic/atl_ethdev.c
@@ -64,6 +64,18 @@ static int atl_dev_interrupt_action(struct rte_eth_dev *dev,
 				    struct rte_intr_handle *handle);
 static void atl_dev_interrupt_handler(void *param);
 
+
+static int atl_add_mac_addr(struct rte_eth_dev *dev,
+			    struct ether_addr *mac_addr,
+			    uint32_t index, uint32_t pool);
+static void atl_remove_mac_addr(struct rte_eth_dev *dev, uint32_t index);
+static int atl_set_default_mac_addr(struct rte_eth_dev *dev,
+					   struct ether_addr *mac_addr);
+
+static int atl_dev_set_mc_addr_list(struct rte_eth_dev *dev,
+				    struct ether_addr *mc_addr_set,
+				    uint32_t nb_mc_addr);
+
 /* RSS */
 static int atl_reta_update(struct rte_eth_dev *dev,
 			     struct rte_eth_rss_reta_entry64 *reta_conf,
@@ -229,6 +241,11 @@ static const struct eth_dev_ops atl_eth_dev_ops = {
 	.flow_ctrl_get	      = atl_flow_ctrl_get,
 	.flow_ctrl_set	      = atl_flow_ctrl_set,
 
+	/* MAC */
+	.mac_addr_add	      = atl_add_mac_addr,
+	.mac_addr_remove      = atl_remove_mac_addr,
+	.mac_addr_set	      = atl_set_default_mac_addr,
+	.set_mc_addr_list     = atl_dev_set_mc_addr_list,
 	.rxq_info_get	      = atl_rxq_info_get,
 	.txq_info_get	      = atl_txq_info_get,
 
@@ -1081,6 +1098,94 @@ atl_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
 }
 
 static int
+atl_update_mac_addr(struct rte_eth_dev *dev, uint32_t index,
+		    u8 *mac_addr, bool enable)
+{
+	struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	unsigned int h = 0U;
+	unsigned int l = 0U;
+	int err;
+
+	if (mac_addr) {
+		h = (mac_addr[0] << 8) | (mac_addr[1]);
+		l = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
+			(mac_addr[4] << 8) | mac_addr[5];
+	}
+
+	hw_atl_rpfl2_uc_flr_en_set(hw, 0U, index);
+	hw_atl_rpfl2unicast_dest_addresslsw_set(hw, l, index);
+	hw_atl_rpfl2unicast_dest_addressmsw_set(hw, h, index);
+
+	if (enable)
+		hw_atl_rpfl2_uc_flr_en_set(hw, 1U, index);
+
+	err = aq_hw_err_from_flags(hw);
+
+	return err;
+}
+
+static int
+atl_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+			uint32_t index __rte_unused, uint32_t pool __rte_unused)
+{
+	if (is_zero_ether_addr(mac_addr)) {
+		PMD_DRV_LOG(ERR, "Invalid Ethernet Address");
+		return -EINVAL;
+	}
+
+	return atl_update_mac_addr(dev, index, (u8 *)mac_addr, true);
+}
+
+static void
+atl_remove_mac_addr(struct rte_eth_dev *dev, uint32_t index)
+{
+	atl_update_mac_addr(dev, index, NULL, false);
+}
+
+static int
+atl_set_default_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr)
+{
+	atl_remove_mac_addr(dev, 0);
+	atl_add_mac_addr(dev, addr, 0, 0);
+	return 0;
+}
+
+static int
+atl_dev_set_mc_addr_list(struct rte_eth_dev *dev,
+			  struct ether_addr *mc_addr_set,
+			  uint32_t nb_mc_addr)
+{
+	struct aq_hw_s *hw = ATL_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+	u32 i;
+
+	if (nb_mc_addr > AQ_HW_MULTICAST_ADDRESS_MAX - HW_ATL_B0_MAC_MIN)
+		return -EINVAL;
+
+	/* Update whole uc filters table */
+	for (i = 0; i < AQ_HW_MULTICAST_ADDRESS_MAX - HW_ATL_B0_MAC_MIN; i++) {
+		u8 *mac_addr = NULL;
+		u32 l = 0, h = 0;
+
+		if (i < nb_mc_addr) {
+			mac_addr = mc_addr_set[i].addr_bytes;
+			l = (mac_addr[2] << 24) | (mac_addr[3] << 16) |
+				(mac_addr[4] << 8) | mac_addr[5];
+			h = (mac_addr[0] << 8) | mac_addr[1];
+		}
+
+		hw_atl_rpfl2_uc_flr_en_set(hw, 0U, HW_ATL_B0_MAC_MIN + i);
+		hw_atl_rpfl2unicast_dest_addresslsw_set(hw, l,
+							HW_ATL_B0_MAC_MIN + i);
+		hw_atl_rpfl2unicast_dest_addressmsw_set(hw, h,
+							HW_ATL_B0_MAC_MIN + i);
+		hw_atl_rpfl2_uc_flr_en_set(hw, !!mac_addr,
+					   HW_ATL_B0_MAC_MIN + i);
+	}
+
+	return 0;
+}
+
+static int
 atl_reta_update(struct rte_eth_dev *dev,
 		   struct rte_eth_rss_reta_entry64 *reta_conf,
 		   uint16_t reta_size)
-- 
2.7.4