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net/mlx5: Introduce access functions to modify/query vport vlans

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Those functions are needed to notify the upcoming L2 table and SR-IOV
E-Switch(FDB) manager(PF), of the NIC vport (vf) vlan table 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>
This commit is contained in:
Saeed Mahameed 2015-12-01 18:03:15 +02:00 committed by David S. Miller
parent d82b73186d
commit c0046cf7b8
3 changed files with 126 additions and 0 deletions
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112
drivers/net/ethernet/mellanox/mlx5/core/vport.c
View File

@ -318,6 +318,118 @@ int mlx5_modify_nic_vport_mac_list(struct mlx5_core_dev *dev,
}
EXPORT_SYMBOL_GPL(mlx5_modify_nic_vport_mac_list);
int mlx5_query_nic_vport_vlans(struct mlx5_core_dev *dev,
u32 vport,
u16 vlans[],
int *size)
{
u32 in[MLX5_ST_SZ_DW(query_nic_vport_context_in)];
void *nic_vport_ctx;
int req_list_size;
int max_list_size;
int out_sz;
void *out;
int err;
int i;
req_list_size = *size;
max_list_size = 1 << MLX5_CAP_GEN(dev, log_max_vlan_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(vlan_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,
MLX5_NVPRT_LIST_TYPE_VLAN);
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);
*size = req_list_size;
for (i = 0; i < req_list_size; i++) {
void *vlan_addr = MLX5_ADDR_OF(nic_vport_context,
nic_vport_ctx,
current_uc_mac_address[i]);
vlans[i] = MLX5_GET(vlan_layout, vlan_addr, vlan);
}
out:
kfree(out);
return err;
}
EXPORT_SYMBOL_GPL(mlx5_query_nic_vport_vlans);
int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
u16 vlans[],
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 = 1 << MLX5_CAP_GEN(dev, log_max_vlan_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(vlan_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, MLX5_NVPRT_LIST_TYPE_VLAN);
MLX5_SET(nic_vport_context, nic_vport_ctx,
allowed_list_size, list_size);
for (i = 0; i < list_size; i++) {
void *vlan_addr = MLX5_ADDR_OF(nic_vport_context,
nic_vport_ctx,
current_uc_mac_address[i]);
MLX5_SET(vlan_layout, vlan_addr, vlan, vlans[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_vlans);
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)

7
include/linux/mlx5/mlx5_ifc.h
View File

@ -910,6 +910,13 @@ struct mlx5_ifc_mac_address_layout_bits {
u8 mac_addr_31_0[0x20];
};
struct mlx5_ifc_vlan_layout_bits {
u8 reserved_0[0x14];
u8 vlan[0x0c];
u8 reserved_1[0x20];
};
struct mlx5_ifc_cong_control_r_roce_ecn_np_bits {
u8 reserved_0[0xa0];

7
include/linux/mlx5/vport.h
View File

@ -77,5 +77,12 @@ int mlx5_modify_nic_vport_promisc(struct mlx5_core_dev *mdev,
int promisc_uc,
int promisc_mc,
int promisc_all);
int mlx5_query_nic_vport_vlans(struct mlx5_core_dev *dev,
u32 vport,
u16 vlans[],
int *size);
int mlx5_modify_nic_vport_vlans(struct mlx5_core_dev *dev,
u16 vlans[],
int list_size);
#endif /* __MLX5_VPORT_H__ */