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Message-ID: <20190617192247.25107-12-saeedm@mellanox.com>
Date: Mon, 17 Jun 2019 19:23:30 +0000
From: Saeed Mahameed <saeedm@...lanox.com>
To: Saeed Mahameed <saeedm@...lanox.com>,
Leon Romanovsky <leonro@...lanox.com>
CC: "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-rdma@...r.kernel.org" <linux-rdma@...r.kernel.org>,
Jianbo Liu <jianbol@...lanox.com>,
Roi Dayan <roid@...lanox.com>, Mark Bloch <markb@...lanox.com>
Subject: [PATCH mlx5-next 11/15] RDMA/mlx5: Add vport metadata matching for IB
representors
From: Jianbo Liu <jianbol@...lanox.com>
If vport metadata matching is enabled in eswitch, the rule created
must be changed to match on the metadata, instead of source port.
Signed-off-by: Jianbo Liu <jianbol@...lanox.com>
Reviewed-by: Roi Dayan <roid@...lanox.com>
Reviewed-by: Mark Bloch <markb@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
drivers/infiniband/hw/mlx5/ib_rep.c | 11 +++++++
drivers/infiniband/hw/mlx5/ib_rep.h | 16 ++++++++++
drivers/infiniband/hw/mlx5/main.c | 45 +++++++++++++++++++++++------
3 files changed, 63 insertions(+), 9 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/ib_rep.c b/drivers/infiniband/hw/mlx5/ib_rep.c
index 22e651cb5534..d4ed611de35d 100644
--- a/drivers/infiniband/hw/mlx5/ib_rep.c
+++ b/drivers/infiniband/hw/mlx5/ib_rep.c
@@ -131,6 +131,17 @@ struct mlx5_eswitch_rep *mlx5_ib_vport_rep(struct mlx5_eswitch *esw, int vport)
return mlx5_eswitch_vport_rep(esw, vport);
}
+u32 mlx5_ib_eswitch_vport_match_metadata_enabled(struct mlx5_eswitch *esw)
+{
+ return mlx5_eswitch_vport_match_metadata_enabled(esw);
+}
+
+u32 mlx5_ib_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
+ u16 vport)
+{
+ return mlx5_eswitch_get_vport_metadata_for_match(esw, vport);
+}
+
struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
struct mlx5_ib_sq *sq,
u16 port)
diff --git a/drivers/infiniband/hw/mlx5/ib_rep.h b/drivers/infiniband/hw/mlx5/ib_rep.h
index 22adce2d6795..65a04b6b0df3 100644
--- a/drivers/infiniband/hw/mlx5/ib_rep.h
+++ b/drivers/infiniband/hw/mlx5/ib_rep.h
@@ -25,6 +25,9 @@ struct mlx5_flow_handle *create_flow_rule_vport_sq(struct mlx5_ib_dev *dev,
u16 port);
struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
int vport_index);
+u32 mlx5_ib_eswitch_vport_match_metadata_enabled(struct mlx5_eswitch *esw);
+u32 mlx5_ib_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
+ u16 vport);
#else /* CONFIG_MLX5_ESWITCH */
static inline u8 mlx5_ib_eswitch_mode(struct mlx5_eswitch *esw)
{
@@ -67,6 +70,19 @@ struct net_device *mlx5_ib_get_rep_netdev(struct mlx5_eswitch *esw,
{
return NULL;
}
+
+static inline
+u32 mlx5_ib_eswitch_vport_match_metadata_enabled(struct mlx5_eswitch *esw)
+{
+ return 0;
+};
+
+static inline
+u32 mlx5_ib_eswitch_get_vport_metadata_for_match(struct mlx5_eswitch *esw,
+ u16 vport)
+{
+ return 0;
+};
#endif
static inline
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index be4c9a687df7..f97519c0c4df 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -3469,6 +3469,37 @@ static int flow_counters_set_data(struct ib_counters *ibcounters,
return ret;
}
+static void mlx5_ib_set_rule_source_port(struct mlx5_ib_dev *dev,
+ struct mlx5_flow_spec *spec,
+ struct mlx5_eswitch_rep *rep)
+{
+ struct mlx5_eswitch *esw = dev->mdev->priv.eswitch;
+ void *misc;
+
+ if (mlx5_ib_eswitch_vport_match_metadata_enabled(esw)) {
+ misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+ misc_parameters_2);
+
+ MLX5_SET(fte_match_set_misc2, misc, metadata_reg_c_0,
+ mlx5_ib_eswitch_get_vport_metadata_for_match(esw,
+ rep->vport));
+ misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
+ misc_parameters_2);
+
+ MLX5_SET_TO_ONES(fte_match_set_misc2, misc, metadata_reg_c_0);
+ } else {
+ misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
+ misc_parameters);
+
+ MLX5_SET(fte_match_set_misc, misc, source_port, rep->vport);
+
+ misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
+ misc_parameters);
+
+ MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
+ }
+}
+
static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
struct mlx5_ib_flow_prio *ft_prio,
const struct ib_flow_attr *flow_attr,
@@ -3523,19 +3554,15 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
set_underlay_qp(dev, spec, underlay_qpn);
if (dev->is_rep) {
- void *misc;
+ struct mlx5_eswitch_rep *rep;
- if (!dev->port[flow_attr->port - 1].rep) {
+ rep = dev->port[flow_attr->port - 1].rep;
+ if (!rep) {
err = -EINVAL;
goto free;
}
- misc = MLX5_ADDR_OF(fte_match_param, spec->match_value,
- misc_parameters);
- MLX5_SET(fte_match_set_misc, misc, source_port,
- dev->port[flow_attr->port - 1].rep->vport);
- misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria,
- misc_parameters);
- MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port);
+
+ mlx5_ib_set_rule_source_port(dev, spec, rep);
}
spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria);
--
2.21.0
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