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Commit 5e55da1d authored by Saeed Mahameed's avatar Saeed Mahameed Committed by David S. Miller
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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: default avatarSaeed Mahameed <saeedm@mellanox.com>
Signed-off-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c0046cf7

drivers/net/ethernet/mellanox/mlx5/core/en_flow_table.c

+87 −0
Original line number Diff line number Diff line
@@ -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)