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net/mlx5: E-Switch, Introduce set vport vlan (VST mode) 

Add query and modify functions to control client vlan and qos
striping or insertion, in E-Switch vports contexts.

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 18:03:23 +02:00 committed by David S. Miller
parent d6666753c6
commit 9e7ea3524a
2 changed files with 134 additions and 2 deletions
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134
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View File

@ -128,6 +128,116 @@ static int arm_vport_context_events_cmd(struct mlx5_core_dev *dev, u16 vport,
return err;
}
/* E-Switch vport context HW commands */
static int query_esw_vport_context_cmd(struct mlx5_core_dev *mdev, u32 vport,
u32 *out, int outlen)
{
u32 in[MLX5_ST_SZ_DW(query_esw_vport_context_in)];
memset(in, 0, sizeof(in));
MLX5_SET(query_nic_vport_context_in, in, opcode,
MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT);
MLX5_SET(query_esw_vport_context_in, in, vport_number, vport);
if (vport)
MLX5_SET(query_esw_vport_context_in, in, other_vport, 1);
return mlx5_cmd_exec_check_status(mdev, in, sizeof(in), out, outlen);
}
static int query_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
u16 *vlan, u8 *qos)
{
u32 out[MLX5_ST_SZ_DW(query_esw_vport_context_out)];
int err;
bool cvlan_strip;
bool cvlan_insert;
memset(out, 0, sizeof(out));
*vlan = 0;
*qos = 0;
if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
!MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
return -ENOTSUPP;
err = query_esw_vport_context_cmd(dev, vport, out, sizeof(out));
if (err)
goto out;
cvlan_strip = MLX5_GET(query_esw_vport_context_out, out,
esw_vport_context.vport_cvlan_strip);
cvlan_insert = MLX5_GET(query_esw_vport_context_out, out,
esw_vport_context.vport_cvlan_insert);
if (cvlan_strip || cvlan_insert) {
*vlan = MLX5_GET(query_esw_vport_context_out, out,
esw_vport_context.cvlan_id);
*qos = MLX5_GET(query_esw_vport_context_out, out,
esw_vport_context.cvlan_pcp);
}
esw_debug(dev, "Query Vport[%d] cvlan: VLAN %d qos=%d\n",
vport, *vlan, *qos);
out:
return err;
}
static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
void *in, int inlen)
{
u32 out[MLX5_ST_SZ_DW(modify_esw_vport_context_out)];
memset(out, 0, sizeof(out));
MLX5_SET(modify_esw_vport_context_in, in, vport_number, vport);
if (vport)
MLX5_SET(modify_esw_vport_context_in, in, other_vport, 1);
MLX5_SET(modify_esw_vport_context_in, in, opcode,
MLX5_CMD_OP_MODIFY_ESW_VPORT_CONTEXT);
return mlx5_cmd_exec_check_status(dev, in, inlen,
out, sizeof(out));
}
static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
u16 vlan, u8 qos, bool set)
{
u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)];
memset(in, 0, sizeof(in));
if (!MLX5_CAP_ESW(dev, vport_cvlan_strip) ||
!MLX5_CAP_ESW(dev, vport_cvlan_insert_if_not_exist))
return -ENOTSUPP;
esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%d\n",
vport, vlan, qos, set);
if (set) {
MLX5_SET(modify_esw_vport_context_in, in,
esw_vport_context.vport_cvlan_strip, 1);
/* insert only if no vlan in packet */
MLX5_SET(modify_esw_vport_context_in, in,
esw_vport_context.vport_cvlan_insert, 1);
MLX5_SET(modify_esw_vport_context_in, in,
esw_vport_context.cvlan_pcp, qos);
MLX5_SET(modify_esw_vport_context_in, in,
esw_vport_context.cvlan_id, vlan);
}
MLX5_SET(modify_esw_vport_context_in, in,
field_select.vport_cvlan_strip, 1);
MLX5_SET(modify_esw_vport_context_in, in,
field_select.vport_cvlan_insert, 1);
return modify_esw_vport_context_cmd(dev, vport, in, sizeof(in));
}
/* HW L2 Table (MPFS) management */
static int set_l2_table_entry_cmd(struct mlx5_core_dev *dev, u32 index,
u8 *mac, u8 vlan_valid, u16 vlan)
@ -1065,6 +1175,9 @@ int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
int vport, struct ifla_vf_info *ivi)
{
u16 vlan;
u8 qos;
if (!ESW_ALLOWED(esw))
return -EPERM;
if (!LEGAL_VPORT(esw, vport))
@ -1077,9 +1190,26 @@ int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
ivi->linkstate = mlx5_query_vport_admin_state(esw->dev,
MLX5_QUERY_VPORT_STATE_IN_OP_MOD_ESW_VPORT,
vport);
ivi->vlan = 0;
ivi->qos = 0;
query_esw_vport_cvlan(esw->dev, vport, &vlan, &qos);
ivi->vlan = vlan;
ivi->qos = qos;
ivi->spoofchk = 0;
return 0;
}
int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
int vport, u16 vlan, u8 qos)
{
int set = 0;
if (!ESW_ALLOWED(esw))
return -EPERM;
if (!LEGAL_VPORT(esw, vport) || (vlan > 4095) || (qos > 7))
return -EINVAL;
if (vlan || qos)
set = 1;
return modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set);
}

2
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -149,6 +149,8 @@ int mlx5_eswitch_set_vport_mac(struct mlx5_eswitch *esw,
int vport, u8 mac[ETH_ALEN]);
int mlx5_eswitch_set_vport_state(struct mlx5_eswitch *esw,
int vport, int link_state);
int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
int vport, u16 vlan, u8 qos);
int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
int vport, struct ifla_vf_info *ivi);