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authorSaeed Mahameed <saeedm@mellanox.com>2015-12-01 18:03:12 +0200
committerDavid S. Miller <davem@davemloft.net>2015-12-03 12:08:44 -0500
commite16aea2744abea612c27ee0eef606c6a6a8204de (patch)
tree45c1826b777de00b1b8285d073d4ce21bfd0d0da /drivers/net/ethernet/mellanox/mlx5/core/vport.c
parente1d7d349c69d12721c420f1fe673ce9aa462aadd (diff)
downloadlinux-e16aea2744abea612c27ee0eef606c6a6a8204de.tar.bz2
net/mlx5: Introduce access functions to modify/query vport mac lists
Those functions are needed to notify the upcoming L2 table and SR-IOV E-Switch(FDB) manager(PF), of the NIC vport (vf) UC/MC mac lists changes. 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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/vport.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlx5/core/vport.c119
1 files changed, 119 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/vport.c b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
index 442916e98724..986d0d364df7 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/vport.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/vport.c
@@ -150,6 +150,125 @@ int mlx5_modify_nic_vport_mac_address(struct mlx5_core_dev *mdev,
}
EXPORT_SYMBOL(mlx5_modify_nic_vport_mac_address);
+int mlx5_query_nic_vport_mac_list(struct mlx5_core_dev *dev,
+ u32 vport,
+ enum mlx5_list_type list_type,
+ u8 addr_list[][ETH_ALEN],
+ int *list_size)
+{
+ u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)];
+ void *nic_vport_ctx;
+ int max_list_size;
+ int req_list_size;
+ int out_sz;
+ void *out;
+ int err;
+ int i;
+
+ req_list_size = *list_size;
+
+ max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
+ 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
+ 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
+
+ if (req_list_size > max_list_size) {
+ mlx5_core_warn(dev, "Requested list size (%d) > (%d) max_list_size\n",
+ req_list_size, max_list_size);
+ req_list_size = max_list_size;
+ }
+
+ out_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
+ req_list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
+
+ memset(in, 0, sizeof(in));
+ out = kzalloc(out_sz, GFP_KERNEL);
+ if (!out)
+ return -ENOMEM;
+
+ MLX5_SET(query_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT);
+ MLX5_SET(query_nic_vport_context_in, in, allowed_list_type, list_type);
+ MLX5_SET(query_nic_vport_context_in, in, vport_number, vport);
+
+ if (vport)
+ MLX5_SET(query_nic_vport_context_in, in, other_vport, 1);
+
+ err = mlx5_cmd_exec_check_status(dev, in, sizeof(in), out, out_sz);
+ if (err)
+ goto out;
+
+ nic_vport_ctx = MLX5_ADDR_OF(query_nic_vport_context_out, out,
+ nic_vport_context);
+ req_list_size = MLX5_GET(nic_vport_context, nic_vport_ctx,
+ allowed_list_size);
+
+ *list_size = req_list_size;
+ for (i = 0; i < req_list_size; i++) {
+ u8 *mac_addr = MLX5_ADDR_OF(nic_vport_context,
+ nic_vport_ctx,
+ current_uc_mac_address[i]) + 2;
+ ether_addr_copy(addr_list[i], mac_addr);
+ }
+out:
+ kfree(out);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_mac_list);
+
+int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
+ enum mlx5_list_type list_type,
+ u8 addr_list[][ETH_ALEN],
+ int list_size)
+{
+ u32 out[MLX5_ST_SZ_DW(modify_nic_vport_context_out)];
+ void *nic_vport_ctx;
+ int max_list_size;
+ int in_sz;
+ void *in;
+ int err;
+ int i;
+
+ max_list_size = list_type == MLX5_NVPRT_LIST_TYPE_UC ?
+ 1 << MLX5_CAP_GEN(dev, log_max_current_uc_list) :
+ 1 << MLX5_CAP_GEN(dev, log_max_current_mc_list);
+
+ if (list_size > max_list_size)
+ return -ENOSPC;
+
+ in_sz = MLX5_ST_SZ_BYTES(modify_nic_vport_context_in) +
+ list_size * MLX5_ST_SZ_BYTES(mac_address_layout);
+
+ memset(out, 0, sizeof(out));
+ in = kzalloc(in_sz, GFP_KERNEL);
+ if (!in)
+ return -ENOMEM;
+
+ MLX5_SET(modify_nic_vport_context_in, in, opcode,
+ MLX5_CMD_OP_MODIFY_NIC_VPORT_CONTEXT);
+ MLX5_SET(modify_nic_vport_context_in, in,
+ field_select.addresses_list, 1);
+
+ nic_vport_ctx = MLX5_ADDR_OF(modify_nic_vport_context_in, in,
+ nic_vport_context);
+
+ MLX5_SET(nic_vport_context, nic_vport_ctx,
+ allowed_list_type, list_type);
+ MLX5_SET(nic_vport_context, nic_vport_ctx,
+ allowed_list_size, list_size);
+
+ for (i = 0; i < list_size; i++) {
+ u8 *curr_mac = MLX5_ADDR_OF(nic_vport_context,
+ nic_vport_ctx,
+ current_uc_mac_address[i]) + 2;
+ ether_addr_copy(curr_mac, addr_list[i]);
+ }
+
+ err = mlx5_cmd_exec_check_status(dev, in, in_sz, out, sizeof(out));
+ kfree(in);
+ return err;
+}
+EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_list);
+
int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
u8 port_num, u16 vf_num, u16 gid_index,
union ib_gid *gid)