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net/mlx5: E-Switch, Allow fine tuning of eswitch vport push/pop vlan

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The HW can be programmed to push vlan, pop vlan or both.

A factorization step towards using the push/pop capabilties in the
eswitch offloads mode. This patch doesn't add new functionality.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-09-22 20:01:44 +03:00 committed by David S. Miller
parent bac9b6aa1d
commit e33dfe316c
2 changed files with 27 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
View File

@ -127,7 +127,7 @@ static int modify_esw_vport_context_cmd(struct mlx5_core_dev *dev, u16 vport,
}
static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
u16 vlan, u8 qos, bool set)
u16 vlan, u8 qos, u8 set_flags)
{
u32 in[MLX5_ST_SZ_DW(modify_esw_vport_context_in)] = {0};
@ -135,14 +135,18 @@ static int modify_esw_vport_cvlan(struct mlx5_core_dev *dev, u32 vport,
!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) {
esw_debug(dev, "Set Vport[%d] VLAN %d qos %d set=%x\n",
vport, vlan, qos, set_flags);
if (set_flags & SET_VLAN_STRIP)
MLX5_SET(modify_esw_vport_context_in, in,
esw_vport_context.vport_cvlan_strip, 1);
if (set_flags & SET_VLAN_INSERT) {
/* 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,
@ -1778,25 +1782,21 @@ int mlx5_eswitch_get_vport_config(struct mlx5_eswitch *esw,
return 0;
}
int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
int vport, u16 vlan, u8 qos)
int __mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
int vport, u16 vlan, u8 qos, u8 set_flags)
{
struct mlx5_vport *evport;
int err = 0;
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;
mutex_lock(&esw->state_lock);
evport = &esw->vports[vport];
err = modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set);
err = modify_esw_vport_cvlan(esw->dev, vport, vlan, qos, set_flags);
if (err)
goto unlock;
@ -1814,6 +1814,17 @@ unlock:
return err;
}
int mlx5_eswitch_set_vport_vlan(struct mlx5_eswitch *esw,
int vport, u16 vlan, u8 qos)
{
u8 set_flags = 0;
if (vlan || qos)
set_flags = SET_VLAN_STRIP | SET_VLAN_INSERT;
return __mlx5_eswitch_set_vport_vlan(esw, vport, vlan, qos, set_flags);
}
int mlx5_eswitch_set_vport_spoofchk(struct mlx5_eswitch *esw,
int vport, bool spoofchk)
{

5
drivers/net/ethernet/mellanox/mlx5/core/eswitch.h
View File

@ -246,6 +246,11 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw,
struct mlx5_flow_rule *
mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn);
enum {
SET_VLAN_STRIP = BIT(0),
SET_VLAN_INSERT = BIT(1)
};
int mlx5_eswitch_sqs2vport_start(struct mlx5_eswitch *esw,
struct mlx5_eswitch_rep *rep,
u16 *sqns_array, int sqns_num);