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Date: Mon, 22 Aug 2022 22:55:27 -0700
From: Saeed Mahameed <saeed@...nel.org>
To: "David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>
Cc: Saeed Mahameed <saeedm@...dia.com>, netdev@...r.kernel.org,
Tariq Toukan <tariqt@...dia.com>,
Lama Kayal <lkayal@...dia.com>
Subject: [net-next 09/15] net/mlx5e: Make flow steering arfs independent of priv
From: Lama Kayal <lkayal@...dia.com>
Decouple arfs flow steering functionality from priv.
Make all arfs functions defined under fs.h get flow_steering
struct as an argument, thus helping with the process of decoupling the
whole flow steering API from en.h.
Signed-off-by: Lama Kayal <lkayal@...dia.com>
Reviewed-by: Tariq Toukan <tariqt@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
---
.../net/ethernet/mellanox/mlx5/core/en/fs.h | 22 +++--
.../net/ethernet/mellanox/mlx5/core/en_arfs.c | 87 ++++++++++---------
.../ethernet/mellanox/mlx5/core/en_ethtool.c | 4 +-
.../net/ethernet/mellanox/mlx5/core/en_fs.c | 9 +-
.../net/ethernet/mellanox/mlx5/core/en_main.c | 4 +-
.../ethernet/mellanox/mlx5/core/ipoib/ipoib.c | 10 ++-
6 files changed, 74 insertions(+), 62 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
index 66f71813702e..389f389b814b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
@@ -90,22 +90,28 @@ enum {
};
struct mlx5e_flow_steering;
+struct mlx5e_rx_res;
struct mlx5e_priv;
#ifdef CONFIG_MLX5_EN_ARFS
struct mlx5e_arfs_tables;
-int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
-void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
-int mlx5e_arfs_enable(struct mlx5e_priv *priv);
-int mlx5e_arfs_disable(struct mlx5e_priv *priv);
+int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
+ struct mlx5e_rx_res *rx_res, bool ntuple);
+void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple);
+int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs);
+int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs);
int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
u16 rxq_index, u32 flow_id);
#else
-static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; }
-static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
-static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
-static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
+static inline int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
+ struct mlx5e_rx_res *rx_res, bool ntuple)
+{ return 0; }
+static inline void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple) {}
+static inline int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs)
+{ return -EOPNOTSUPP; }
+static inline int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs)
+{ return -EOPNOTSUPP; }
#endif
#ifdef CONFIG_MLX5_EN_TLS
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index bf233cf3f6f3..0ae1865086ff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -114,37 +114,37 @@ static enum mlx5_traffic_types arfs_get_tt(enum arfs_type type)
}
}
-static int arfs_disable(struct mlx5e_priv *priv)
+static int arfs_disable(struct mlx5e_flow_steering *fs)
{
- struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(priv->fs, false);
+ struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs, false);
int err, i;
for (i = 0; i < ARFS_NUM_TYPES; i++) {
/* Modify ttc rules destination back to their default */
err = mlx5_ttc_fwd_default_dest(ttc, arfs_get_tt(i));
if (err) {
- netdev_err(priv->netdev,
- "%s: modify ttc[%d] default destination failed, err(%d)\n",
- __func__, arfs_get_tt(i), err);
+ fs_err(fs,
+ "%s: modify ttc[%d] default destination failed, err(%d)\n",
+ __func__, arfs_get_tt(i), err);
return err;
}
}
return 0;
}
-static void arfs_del_rules(struct mlx5e_priv *priv);
+static void arfs_del_rules(struct mlx5e_flow_steering *fs);
-int mlx5e_arfs_disable(struct mlx5e_priv *priv)
+int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs)
{
- arfs_del_rules(priv);
+ arfs_del_rules(fs);
- return arfs_disable(priv);
+ return arfs_disable(fs);
}
-int mlx5e_arfs_enable(struct mlx5e_priv *priv)
+int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs)
{
- struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(priv->fs, false);
- struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(priv->fs);
+ struct mlx5_ttc_table *ttc = mlx5e_fs_get_ttc(fs, false);
+ struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(fs);
struct mlx5_flow_destination dest = {};
int err, i;
@@ -154,10 +154,9 @@ int mlx5e_arfs_enable(struct mlx5e_priv *priv)
/* Modify ttc rules destination to point on the aRFS FTs */
err = mlx5_ttc_fwd_dest(ttc, arfs_get_tt(i), &dest);
if (err) {
- netdev_err(priv->netdev,
- "%s: modify ttc[%d] dest to arfs, failed err(%d)\n",
- __func__, arfs_get_tt(i), err);
- arfs_disable(priv);
+ fs_err(fs, "%s: modify ttc[%d] dest to arfs, failed err(%d)\n",
+ __func__, arfs_get_tt(i), err);
+ arfs_disable(fs);
return err;
}
}
@@ -170,12 +169,12 @@ static void arfs_destroy_table(struct arfs_table *arfs_t)
mlx5e_destroy_flow_table(&arfs_t->ft);
}
-static void _mlx5e_cleanup_tables(struct mlx5e_priv *priv)
+static void _mlx5e_cleanup_tables(struct mlx5e_flow_steering *fs)
{
- struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(priv->fs);
+ struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(fs);
int i;
- arfs_del_rules(priv);
+ arfs_del_rules(fs);
destroy_workqueue(arfs->wq);
for (i = 0; i < ARFS_NUM_TYPES; i++) {
if (!IS_ERR_OR_NULL(arfs->arfs_tables[i].ft.t))
@@ -183,21 +182,23 @@ static void _mlx5e_cleanup_tables(struct mlx5e_priv *priv)
}
}
-void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv)
+void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple)
{
- struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(priv->fs);
- if (!(priv->netdev->hw_features & NETIF_F_NTUPLE))
+ struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(fs);
+
+ if (!ntuple)
return;
- _mlx5e_cleanup_tables(priv);
- mlx5e_fs_set_arfs(priv->fs, NULL);
+ _mlx5e_cleanup_tables(fs);
+ mlx5e_fs_set_arfs(fs, NULL);
kvfree(arfs);
}
-static int arfs_add_default_rule(struct mlx5e_priv *priv,
+static int arfs_add_default_rule(struct mlx5e_flow_steering *fs,
+ struct mlx5e_rx_res *rx_res,
enum arfs_type type)
{
- struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(priv->fs);
+ struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(fs);
struct arfs_table *arfs_t = &arfs->arfs_tables[type];
struct mlx5_flow_destination dest = {};
MLX5_DECLARE_FLOW_ACT(flow_act);
@@ -207,23 +208,21 @@ static int arfs_add_default_rule(struct mlx5e_priv *priv,
dest.type = MLX5_FLOW_DESTINATION_TYPE_TIR;
tt = arfs_get_tt(type);
if (tt == -EINVAL) {
- netdev_err(priv->netdev, "%s: bad arfs_type: %d\n",
- __func__, type);
+ fs_err(fs, "%s: bad arfs_type: %d\n", __func__, type);
return -EINVAL;
}
/* FIXME: Must use mlx5_ttc_get_default_dest(),
* but can't since TTC default is not setup yet !
*/
- dest.tir_num = mlx5e_rx_res_get_tirn_rss(priv->rx_res, tt);
+ dest.tir_num = mlx5e_rx_res_get_tirn_rss(rx_res, tt);
arfs_t->default_rule = mlx5_add_flow_rules(arfs_t->ft.t, NULL,
&flow_act,
&dest, 1);
if (IS_ERR(arfs_t->default_rule)) {
err = PTR_ERR(arfs_t->default_rule);
arfs_t->default_rule = NULL;
- netdev_err(priv->netdev, "%s: add rule failed, arfs type=%d\n",
- __func__, type);
+ fs_err(fs, "%s: add rule failed, arfs type=%d\n", __func__, type);
}
return err;
@@ -325,11 +324,12 @@ static int arfs_create_groups(struct mlx5e_flow_table *ft,
return err;
}
-static int arfs_create_table(struct mlx5e_priv *priv,
+static int arfs_create_table(struct mlx5e_flow_steering *fs,
+ struct mlx5e_rx_res *rx_res,
enum arfs_type type)
{
- struct mlx5_flow_namespace *ns = mlx5e_fs_get_ns(priv->fs, false);
- struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(priv->fs);
+ struct mlx5_flow_namespace *ns = mlx5e_fs_get_ns(fs, false);
+ struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(fs);
struct mlx5e_flow_table *ft = &arfs->arfs_tables[type].ft;
struct mlx5_flow_table_attr ft_attr = {};
int err;
@@ -351,7 +351,7 @@ static int arfs_create_table(struct mlx5e_priv *priv,
if (err)
goto err;
- err = arfs_add_default_rule(priv, type);
+ err = arfs_add_default_rule(fs, rx_res, type);
if (err)
goto err;
@@ -361,13 +361,14 @@ static int arfs_create_table(struct mlx5e_priv *priv,
return err;
}
-int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
+int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
+ struct mlx5e_rx_res *rx_res, bool ntuple)
{
struct mlx5e_arfs_tables *arfs;
int err = -ENOMEM;
int i;
- if (!(priv->netdev->hw_features & NETIF_F_NTUPLE))
+ if (!ntuple)
return 0;
arfs = kvzalloc(sizeof(*arfs), GFP_KERNEL);
@@ -380,19 +381,19 @@ int mlx5e_arfs_create_tables(struct mlx5e_priv *priv)
if (!arfs->wq)
goto err;
- mlx5e_fs_set_arfs(priv->fs, arfs);
+ mlx5e_fs_set_arfs(fs, arfs);
for (i = 0; i < ARFS_NUM_TYPES; i++) {
- err = arfs_create_table(priv, i);
+ err = arfs_create_table(fs, rx_res, i);
if (err)
goto err_des;
}
return 0;
err_des:
- _mlx5e_cleanup_tables(priv);
+ _mlx5e_cleanup_tables(fs);
err:
- mlx5e_fs_set_arfs(priv->fs, NULL);
+ mlx5e_fs_set_arfs(fs, NULL);
kvfree(arfs);
return err;
}
@@ -430,9 +431,9 @@ static void arfs_may_expire_flow(struct mlx5e_priv *priv)
}
}
-static void arfs_del_rules(struct mlx5e_priv *priv)
+static void arfs_del_rules(struct mlx5e_flow_steering *fs)
{
- struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(priv->fs);
+ struct mlx5e_arfs_tables *arfs = mlx5e_fs_get_arfs(fs);
struct hlist_node *htmp;
struct arfs_rule *rule;
HLIST_HEAD(del_list);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 551468dbc93f..e5befe5d34b4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -495,14 +495,14 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv,
arfs_enabled = opened && (priv->netdev->features & NETIF_F_NTUPLE);
if (arfs_enabled)
- mlx5e_arfs_disable(priv);
+ mlx5e_arfs_disable(priv->fs);
/* Switch to new channels, set new parameters and close old ones */
err = mlx5e_safe_switch_params(priv, &new_params,
mlx5e_num_channels_changed_ctx, NULL, true);
if (arfs_enabled) {
- int err2 = mlx5e_arfs_enable(priv);
+ int err2 = mlx5e_arfs_enable(priv->fs);
if (err2)
netdev_err(priv->netdev, "%s: mlx5e_arfs_enable failed: %d\n",
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
index 734faf7e821d..1c7842dd0462 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_fs.c
@@ -1303,7 +1303,8 @@ int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
return -EOPNOTSUPP;
mlx5e_fs_set_ns(priv->fs, ns, false);
- err = mlx5e_arfs_create_tables(priv);
+ err = mlx5e_arfs_create_tables(priv->fs, priv->rx_res,
+ !!(priv->netdev->hw_features & NETIF_F_NTUPLE));
if (err) {
fs_err(fs, "Failed to create arfs tables, err=%d\n", err);
priv->netdev->hw_features &= ~NETIF_F_NTUPLE;
@@ -1350,7 +1351,8 @@ int mlx5e_create_flow_steering(struct mlx5e_priv *priv)
err_destroy_inner_ttc_table:
mlx5e_destroy_inner_ttc_table(priv);
err_destroy_arfs_tables:
- mlx5e_arfs_destroy_tables(priv);
+ mlx5e_arfs_destroy_tables(priv->fs,
+ !!(priv->netdev->hw_features & NETIF_F_NTUPLE));
return err;
}
@@ -1362,7 +1364,8 @@ void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv)
mlx5e_destroy_l2_table(priv);
mlx5e_destroy_ttc_table(priv);
mlx5e_destroy_inner_ttc_table(priv);
- mlx5e_arfs_destroy_tables(priv);
+ mlx5e_arfs_destroy_tables(priv->fs,
+ !!(priv->netdev->hw_features & NETIF_F_NTUPLE));
mlx5e_ethtool_cleanup_steering(priv->fs);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 0c1ead96f591..f334cbcd003d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3824,9 +3824,9 @@ static int set_feature_arfs(struct net_device *netdev, bool enable)
int err;
if (enable)
- err = mlx5e_arfs_enable(priv);
+ err = mlx5e_arfs_enable(priv->fs);
else
- err = mlx5e_arfs_disable(priv);
+ err = mlx5e_arfs_disable(priv->fs);
return err;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
index 6a95566bf149..c3149e391f10 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/ipoib/ipoib.c
@@ -330,8 +330,8 @@ static int mlx5i_create_flow_steering(struct mlx5e_priv *priv)
return -EINVAL;
mlx5e_fs_set_ns(priv->fs, ns, false);
-
- err = mlx5e_arfs_create_tables(priv);
+ err = mlx5e_arfs_create_tables(priv->fs, priv->rx_res,
+ !!(priv->netdev->hw_features & NETIF_F_NTUPLE));
if (err) {
netdev_err(priv->netdev, "Failed to create arfs tables, err=%d\n",
err);
@@ -350,7 +350,8 @@ static int mlx5i_create_flow_steering(struct mlx5e_priv *priv)
return 0;
err_destroy_arfs_tables:
- mlx5e_arfs_destroy_tables(priv);
+ mlx5e_arfs_destroy_tables(priv->fs,
+ !!(priv->netdev->hw_features & NETIF_F_NTUPLE));
return err;
}
@@ -358,7 +359,8 @@ static int mlx5i_create_flow_steering(struct mlx5e_priv *priv)
static void mlx5i_destroy_flow_steering(struct mlx5e_priv *priv)
{
mlx5e_destroy_ttc_table(priv);
- mlx5e_arfs_destroy_tables(priv);
+ mlx5e_arfs_destroy_tables(priv->fs,
+ !!(priv->netdev->hw_features & NETIF_F_NTUPLE));
mlx5e_ethtool_cleanup_steering(priv->fs);
}
--
2.37.1
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