net/mlx5e: Write UC/MC list and promisc mode into vport context

Each Vport/vNIC must notify underlying e-Switch layer
for UC/MC list and promisc mode updates, in-order to update
l2 tables and SR-IOV FDB tables.

We do that at set_rx_mode ndo.

preperation for ethernet-SRIOV and l2 table management.

Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c b/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c
index 22d603f..fb02f6c 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c
@@ -671,6 +671,91 @@ static void mlx5e_sync_netdev_addr(struct mlx5e_priv *priv)
        netif_addr_unlock_bh(netdev);
 }
 
+static void mlx5e_fill_addr_array(struct mlx5e_priv *priv, int list_type,
+                                 u8 addr_array[][ETH_ALEN], int size)
+{
+       bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
+       struct net_device *ndev = priv->netdev;
+       struct mlx5e_eth_addr_hash_node *hn;
+       struct hlist_head *addr_list;
+       struct hlist_node *tmp;
+       int i = 0;
+       int hi;
+
+       addr_list = is_uc ? priv->eth_addr.netdev_uc : priv->eth_addr.netdev_mc;
+
+       if (is_uc) /* Make sure our own address is pushed first */
+               ether_addr_copy(addr_array[i++], ndev->dev_addr);
+       else if (priv->eth_addr.broadcast_enabled)
+               ether_addr_copy(addr_array[i++], ndev->broadcast);
+
+       mlx5e_for_each_hash_node(hn, tmp, addr_list, hi) {
+               if (ether_addr_equal(ndev->dev_addr, hn->ai.addr))
+                       continue;
+               if (i >= size)
+                       break;
+               ether_addr_copy(addr_array[i++], hn->ai.addr);
+       }
+}
+
+static void mlx5e_vport_context_update_addr_list(struct mlx5e_priv *priv,
+                                                int list_type)
+{
+       bool is_uc = (list_type == MLX5_NVPRT_LIST_TYPE_UC);
+       struct mlx5e_eth_addr_hash_node *hn;
+       u8 (*addr_array)[ETH_ALEN] = NULL;
+       struct hlist_head *addr_list;
+       struct hlist_node *tmp;
+       int max_size;
+       int size;
+       int err;
+       int hi;
+
+       size = is_uc ? 0 : (priv->eth_addr.broadcast_enabled ? 1 : 0);
+       max_size = is_uc ?
+               1 << MLX5_CAP_GEN(priv->mdev, log_max_current_uc_list) :
+               1 << MLX5_CAP_GEN(priv->mdev, log_max_current_mc_list);
+
+       addr_list = is_uc ? priv->eth_addr.netdev_uc : priv->eth_addr.netdev_mc;
+       mlx5e_for_each_hash_node(hn, tmp, addr_list, hi)
+               size++;
+
+       if (size > max_size) {
+               netdev_warn(priv->netdev,
+                           "netdev %s list size (%d) > (%d) max vport list size, some addresses will be dropped\n",
+                           is_uc ? "UC" : "MC", size, max_size);
+               size = max_size;
+       }
+
+       if (size) {
+               addr_array = kcalloc(size, ETH_ALEN, GFP_KERNEL);
+               if (!addr_array) {
+                       err = -ENOMEM;
+                       goto out;
+               }
+               mlx5e_fill_addr_array(priv, list_type, addr_array, size);
+       }
+
+       err = mlx5_modify_nic_vport_mac_list(priv->mdev, list_type, addr_array, size);
+out:
+       if (err)
+               netdev_err(priv->netdev,
+                          "Failed to modify vport %s list err(%d)\n",
+                          is_uc ? "UC" : "MC", err);
+       kfree(addr_array);
+}
+
+static void mlx5e_vport_context_update(struct mlx5e_priv *priv)
+{
+       struct mlx5e_eth_addr_db *ea = &priv->eth_addr;
+
+       mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_UC);
+       mlx5e_vport_context_update_addr_list(priv, MLX5_NVPRT_LIST_TYPE_MC);
+       mlx5_modify_nic_vport_promisc(priv->mdev, 0,
+                                     ea->allmulti_enabled,
+                                     ea->promisc_enabled);
+}
+
 static void mlx5e_apply_netdev_addr(struct mlx5e_priv *priv)
 {
        struct mlx5e_eth_addr_hash_node *hn;
@@ -748,6 +833,8 @@ void mlx5e_set_rx_mode_work(struct work_struct *work)
        ea->promisc_enabled   = promisc_enabled;
        ea->allmulti_enabled  = allmulti_enabled;
        ea->broadcast_enabled = broadcast_enabled;
+
+       mlx5e_vport_context_update(priv);
 }
 
 void mlx5e_init_eth_addr(struct mlx5e_priv *priv)