net/axgbe: support unicast hash table for MAC address

[dpdk.git] / drivers / net / axgbe / axgbe_ethdev.c

diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c
index 40646e0..9e2e8cb 100644 (file)
--- a/drivers/net/axgbe/axgbe_ethdev.c
+++ b/drivers/net/axgbe/axgbe_ethdev.c
@@ -30,6 +30,11 @@ static void axgbe_dev_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index);
 static int axgbe_dev_set_mc_addr_list(struct rte_eth_dev *dev,
                                      struct rte_ether_addr *mc_addr_set,
                                      uint32_t nb_mc_addr);
+static int axgbe_dev_uc_hash_table_set(struct rte_eth_dev *dev,
+                                      struct rte_ether_addr *mac_addr,
+                                      uint8_t add);
+static int axgbe_dev_uc_all_hash_table_set(struct rte_eth_dev *dev,
+                                          uint8_t add);
 static int axgbe_dev_link_update(struct rte_eth_dev *dev,
                                 int wait_to_complete);
 static int axgbe_dev_get_regs(struct rte_eth_dev *dev,
@@ -174,6 +179,8 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = {
        .mac_addr_add         = axgbe_dev_mac_addr_add,
        .mac_addr_remove      = axgbe_dev_mac_addr_remove,
        .set_mc_addr_list     = axgbe_dev_set_mc_addr_list,
+       .uc_hash_table_set    = axgbe_dev_uc_hash_table_set,
+       .uc_all_hash_table_set = axgbe_dev_uc_all_hash_table_set,
        .link_update          = axgbe_dev_link_update,
        .get_reg              = axgbe_dev_get_regs,
        .stats_get            = axgbe_dev_stats_get,
@@ -466,6 +473,65 @@ axgbe_dev_set_mc_addr_list(struct rte_eth_dev *dev,
        return 0;
 }
 
+static int
+axgbe_dev_uc_hash_table_set(struct rte_eth_dev *dev,
+                           struct rte_ether_addr *mac_addr, uint8_t add)
+{
+       struct axgbe_port *pdata = dev->data->dev_private;
+       struct axgbe_hw_features *hw_feat = &pdata->hw_feat;
+
+       if (!hw_feat->hash_table_size) {
+               PMD_DRV_LOG(ERR, "MAC Hash Table not supported\n");
+               return -ENOTSUP;
+       }
+
+       axgbe_set_mac_hash_table(pdata, (u8 *)mac_addr, add);
+
+       if (pdata->uc_hash_mac_addr > 0) {
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HPF, 1);
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HUC, 1);
+       } else {
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HPF, 0);
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HUC, 0);
+       }
+       return 0;
+}
+
+static int
+axgbe_dev_uc_all_hash_table_set(struct rte_eth_dev *dev, uint8_t add)
+{
+       struct axgbe_port *pdata = dev->data->dev_private;
+       struct axgbe_hw_features *hw_feat = &pdata->hw_feat;
+       uint32_t index;
+
+       if (!hw_feat->hash_table_size) {
+               PMD_DRV_LOG(ERR, "MAC Hash Table not supported\n");
+               return -ENOTSUP;
+       }
+
+       for (index = 0; index < pdata->hash_table_count; index++) {
+               if (add)
+                       pdata->uc_hash_table[index] = ~0;
+               else
+                       pdata->uc_hash_table[index] = 0;
+
+               PMD_DRV_LOG(DEBUG, "%s MAC hash table at Index %#x\n",
+                           add ? "set" : "clear", index);
+
+               AXGMAC_IOWRITE(pdata, MAC_HTR(index),
+                              pdata->uc_hash_table[index]);
+       }
+
+       if (add) {
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HPF, 1);
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HUC, 1);
+       } else {
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HPF, 0);
+               AXGMAC_IOWRITE_BITS(pdata, MAC_PFR, HUC, 0);
+       }
+       return 0;
+}
+
 /* return 0 means link status changed, -1 means not changed */
 static int
 axgbe_dev_link_update(struct rte_eth_dev *dev,
@@ -906,6 +972,7 @@ axgbe_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
        dev_info->min_rx_bufsize = AXGBE_RX_MIN_BUF_SIZE;
        dev_info->max_rx_pktlen = AXGBE_RX_MAX_BUF_SIZE;
        dev_info->max_mac_addrs = pdata->hw_feat.addn_mac + 1;
+       dev_info->max_hash_mac_addrs = pdata->hw_feat.hash_table_size;
        dev_info->speed_capa =  ETH_LINK_SPEED_10G;
 
        dev_info->rx_offload_capa =
@@ -1221,6 +1288,18 @@ eth_axgbe_dev_init(struct rte_eth_dev *eth_dev)
                return -ENOMEM;
        }
 
+       /* Allocate memory for storing hash filter MAC addresses */
+       len = RTE_ETHER_ADDR_LEN * AXGBE_MAX_HASH_MAC_ADDRS;
+       eth_dev->data->hash_mac_addrs = rte_zmalloc("axgbe_hash_mac_addr",
+                                                   len, 0);
+
+       if (eth_dev->data->hash_mac_addrs == NULL) {
+               PMD_INIT_LOG(ERR,
+                            "Failed to allocate %d bytes needed to "
+                            "store MAC addresses", len);
+               return -ENOMEM;
+       }
+
        if (!rte_is_valid_assigned_ether_addr(&pdata->mac_addr))
                rte_eth_random_addr(pdata->mac_addr.addr_bytes);