From: Saeed Mahameed <saeed@kernel.org>
To: "David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org, Maor Gottlieb <maorg@nvidia.com>,
Mark Bloch <mbloch@nvidia.com>,
Saeed Mahameed <saeedm@nvidia.com>
Subject: [net-next 09/13] net/mlx5: Lag, add support to create TTC tables for LAG port selection
Date: Mon, 18 Oct 2021 20:20:43 -0700 [thread overview]
Message-ID: <20211019032047.55660-10-saeed@kernel.org> (raw)
In-Reply-To: <20211019032047.55660-1-saeed@kernel.org>
From: Maor Gottlieb <maorg@nvidia.com>
Add support to create inner and outer TTC tables for LAG port
selection. These tables are used to classify the packets in
order to select the related definer.
Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
---
.../mellanox/mlx5/core/lag/port_sel.c | 91 +++++++++++++++++++
.../mellanox/mlx5/core/lag/port_sel.h | 1 +
2 files changed, 92 insertions(+)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c
index 06bc7c7dbb6d..a855b9e86791 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.c
@@ -5,6 +5,8 @@
#include "lag.h"
enum {
+ MLX5_LAG_FT_LEVEL_TTC,
+ MLX5_LAG_FT_LEVEL_INNER_TTC,
MLX5_LAG_FT_LEVEL_DEFINER,
};
@@ -420,3 +422,92 @@ static void set_tt_map(struct mlx5_lag_port_sel *port_sel,
break;
}
}
+
+#define SET_IGNORE_DESTS_BITS(tt_map, dests) \
+ do { \
+ int idx; \
+ \
+ for_each_clear_bit(idx, tt_map, MLX5_NUM_TT) \
+ set_bit(idx, dests); \
+ } while (0)
+
+static void mlx5_lag_set_inner_ttc_params(struct mlx5_lag *ldev,
+ struct ttc_params *ttc_params)
+{
+ struct mlx5_core_dev *dev = ldev->pf[MLX5_LAG_P1].dev;
+ struct mlx5_lag_port_sel *port_sel = &ldev->port_sel;
+ struct mlx5_flow_table_attr *ft_attr;
+ int tt;
+
+ ttc_params->ns = mlx5_get_flow_namespace(dev,
+ MLX5_FLOW_NAMESPACE_PORT_SEL);
+ ft_attr = &ttc_params->ft_attr;
+ ft_attr->level = MLX5_LAG_FT_LEVEL_INNER_TTC;
+
+ for_each_set_bit(tt, port_sel->tt_map, MLX5_NUM_TT) {
+ ttc_params->dests[tt].type =
+ MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ ttc_params->dests[tt].ft = port_sel->inner.definers[tt]->ft;
+ }
+ SET_IGNORE_DESTS_BITS(port_sel->tt_map, ttc_params->ignore_dests);
+}
+
+static void mlx5_lag_set_outer_ttc_params(struct mlx5_lag *ldev,
+ struct ttc_params *ttc_params)
+{
+ struct mlx5_core_dev *dev = ldev->pf[MLX5_LAG_P1].dev;
+ struct mlx5_lag_port_sel *port_sel = &ldev->port_sel;
+ struct mlx5_flow_table_attr *ft_attr;
+ int tt;
+
+ ttc_params->ns = mlx5_get_flow_namespace(dev,
+ MLX5_FLOW_NAMESPACE_PORT_SEL);
+ ft_attr = &ttc_params->ft_attr;
+ ft_attr->level = MLX5_LAG_FT_LEVEL_TTC;
+
+ for_each_set_bit(tt, port_sel->tt_map, MLX5_NUM_TT) {
+ ttc_params->dests[tt].type =
+ MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ ttc_params->dests[tt].ft = port_sel->outer.definers[tt]->ft;
+ }
+ SET_IGNORE_DESTS_BITS(port_sel->tt_map, ttc_params->ignore_dests);
+
+ ttc_params->inner_ttc = port_sel->tunnel;
+ if (!port_sel->tunnel)
+ return;
+
+ for (tt = 0; tt < MLX5_NUM_TUNNEL_TT; tt++) {
+ ttc_params->tunnel_dests[tt].type =
+ MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE;
+ ttc_params->tunnel_dests[tt].ft =
+ mlx5_get_ttc_flow_table(port_sel->inner.ttc);
+ }
+}
+
+static int mlx5_lag_create_ttc_table(struct mlx5_lag *ldev)
+{
+ struct mlx5_core_dev *dev = ldev->pf[MLX5_LAG_P1].dev;
+ struct mlx5_lag_port_sel *port_sel = &ldev->port_sel;
+ struct ttc_params ttc_params = {};
+
+ mlx5_lag_set_outer_ttc_params(ldev, &ttc_params);
+ port_sel->outer.ttc = mlx5_create_ttc_table(dev, &ttc_params);
+ if (IS_ERR(port_sel->outer.ttc))
+ return PTR_ERR(port_sel->outer.ttc);
+
+ return 0;
+}
+
+static int mlx5_lag_create_inner_ttc_table(struct mlx5_lag *ldev)
+{
+ struct mlx5_core_dev *dev = ldev->pf[MLX5_LAG_P1].dev;
+ struct mlx5_lag_port_sel *port_sel = &ldev->port_sel;
+ struct ttc_params ttc_params = {};
+
+ mlx5_lag_set_inner_ttc_params(ldev, &ttc_params);
+ port_sel->inner.ttc = mlx5_create_ttc_table(dev, &ttc_params);
+ if (IS_ERR(port_sel->inner.ttc))
+ return PTR_ERR(port_sel->inner.ttc);
+
+ return 0;
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.h b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.h
index 1b9e2130a0a5..045dceec0fab 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/lag/port_sel.h
@@ -14,6 +14,7 @@ struct mlx5_lag_definer {
};
struct mlx5_lag_ttc {
+ struct mlx5_ttc_table *ttc;
struct mlx5_lag_definer *definers[MLX5_NUM_TT];
};
--
2.31.1
next prev parent reply other threads:[~2021-10-19 3:21 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-19 3:20 [pull request][net-next 00/13] mlx5 updates 2021-10-18 Saeed Mahameed
2021-10-19 3:20 ` [net-next 01/13] net/mlx5: Support partial TTC rules Saeed Mahameed
2021-10-19 11:30 ` patchwork-bot+netdevbpf
2021-10-19 3:20 ` [net-next 02/13] net/mlx5: Introduce port selection namespace Saeed Mahameed
2021-10-19 3:20 ` [net-next 03/13] net/mlx5: Add support to create match definer Saeed Mahameed
2021-10-19 3:20 ` [net-next 04/13] net/mlx5: Introduce new uplink destination type Saeed Mahameed
2021-10-19 3:20 ` [net-next 05/13] net/mlx5: Lag, move lag files into directory Saeed Mahameed
2021-10-19 3:20 ` [net-next 06/13] net/mlx5: Lag, set LAG traffic type mapping Saeed Mahameed
2021-10-19 3:20 ` [net-next 07/13] net/mlx5: Lag, set match mask according to the traffic type bitmap Saeed Mahameed
2021-10-19 3:20 ` [net-next 08/13] net/mlx5: Lag, add support to create definers for LAG Saeed Mahameed
2021-10-19 3:20 ` Saeed Mahameed [this message]
2021-10-19 3:20 ` [net-next 10/13] net/mlx5: Lag, add support to create/destroy/modify port selection Saeed Mahameed
2021-10-19 3:20 ` [net-next 11/13] net/mlx5: Lag, use steering to select the affinity port in LAG Saeed Mahameed
2021-10-19 3:20 ` [net-next 12/13] net/mlx5: E-Switch, Use dynamic alloc for dest array Saeed Mahameed
2021-10-19 3:20 ` [net-next 13/13] net/mlx5: E-Switch, Increase supported number of forward destinations to 32 Saeed Mahameed
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