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Message-Id: <20180813204420.3342-8-saeedm@mellanox.com>
Date: Mon, 13 Aug 2018 13:44:15 -0700
From: Saeed Mahameed <saeedm@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>
Cc: netdev@...r.kernel.org, Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next V2 07/12] net/mlx5e: Add CONFIG_MLX5_EN_ARFS for accelerated flow steering support
Add new mlx5 Kconfig flag to allow selecting accelerated flow steering
support, and compile out en_arfs.c if not selected.
Move arfs declarations and definitions to en/fs.h header file.
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
Reviewed-by: Moshe Shemesh <moshe@...lanox.com>
---
.../net/ethernet/mellanox/mlx5/core/Kconfig | 8 +++
.../net/ethernet/mellanox/mlx5/core/Makefile | 3 +-
drivers/net/ethernet/mellanox/mlx5/core/en.h | 61 ++-----------------
.../net/ethernet/mellanox/mlx5/core/en/fs.h | 46 ++++++++++++++
.../net/ethernet/mellanox/mlx5/core/en_arfs.c | 4 +-
.../net/ethernet/mellanox/mlx5/core/en_main.c | 14 ++---
6 files changed, 68 insertions(+), 68 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 1ff5f12ab12d..01f9ba1a2098 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -35,6 +35,14 @@ config MLX5_CORE_EN
---help---
Ethernet support in Mellanox Technologies ConnectX-4 NIC.
+config MLX5_EN_ARFS
+ bool "Mellanox MLX5 ethernet accelerated receive flow steering (ARFS) support"
+ depends on MLX5_CORE_EN && RFS_ACCEL
+ default y
+ ---help---
+ Mellanox MLX5 ethernet hardware-accelerated receive flow steering support,
+ Enables ethernet netdevice arfs support and ntuple filtering.
+
config MLX5_EN_RXNFC
bool "Mellanox MLX5 ethernet rx nfc flow steering support"
depends on MLX5_CORE_EN
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 7b6f9d2c32c9..ae9da4b51487 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -15,8 +15,9 @@ mlx5_core-$(CONFIG_MLX5_FPGA) += fpga/cmd.o fpga/core.o fpga/conn.o fpga/sdk.o \
mlx5_core-$(CONFIG_MLX5_CORE_EN) += en_main.o en_common.o en_fs.o en_ethtool.o \
en_tx.o en_rx.o en_dim.o en_txrx.o en/xdp.o en_stats.o \
- en_arfs.o en_selftest.o en/port.o lib/vxlan.o
+ en_selftest.o en/port.o lib/vxlan.o
+mlx5_core-$(CONFIG_MLX5_EN_ARFS) += en_arfs.o
mlx5_core-$(CONFIG_MLX5_EN_RXNFC) += en_fs_ethtool.o
mlx5_core-$(CONFIG_MLX5_MPFS) += lib/mpfs.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h
index 19728f9f25e7..8743bbe1baa2 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h
@@ -660,12 +660,6 @@ struct mlx5e_l2_rule {
struct mlx5_flow_handle *rule;
};
-struct mlx5e_flow_table {
- int num_groups;
- struct mlx5_flow_table *t;
- struct mlx5_flow_group **g;
-};
-
#define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
struct mlx5e_tc_table {
@@ -708,38 +702,15 @@ struct mlx5e_ttc_table {
struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
};
-#define ARFS_HASH_SHIFT BITS_PER_BYTE
-#define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
-struct arfs_table {
- struct mlx5e_flow_table ft;
- struct mlx5_flow_handle *default_rule;
- struct hlist_head rules_hash[ARFS_HASH_SIZE];
-};
-
-enum arfs_type {
- ARFS_IPV4_TCP,
- ARFS_IPV6_TCP,
- ARFS_IPV4_UDP,
- ARFS_IPV6_UDP,
- ARFS_NUM_TYPES,
-};
-
-struct mlx5e_arfs_tables {
- struct arfs_table arfs_tables[ARFS_NUM_TYPES];
- /* Protect aRFS rules list */
- spinlock_t arfs_lock;
- struct list_head rules;
- int last_filter_id;
- struct workqueue_struct *wq;
-};
-
/* NIC prio FTS */
enum {
MLX5E_VLAN_FT_LEVEL = 0,
MLX5E_L2_FT_LEVEL,
MLX5E_TTC_FT_LEVEL,
MLX5E_INNER_TTC_FT_LEVEL,
+#ifdef CONFIG_MLX5_EN_ARFS
MLX5E_ARFS_FT_LEVEL
+#endif
};
enum {
@@ -757,7 +728,9 @@ struct mlx5e_flow_steering {
struct mlx5e_l2_table l2;
struct mlx5e_ttc_table ttc;
struct mlx5e_ttc_table inner_ttc;
+#ifdef CONFIG_MLX5_EN_ARFS
struct mlx5e_arfs_tables arfs;
+#endif
};
struct mlx5e_rqt {
@@ -1028,32 +1001,6 @@ void mlx5e_dcbnl_init_app(struct mlx5e_priv *priv);
void mlx5e_dcbnl_delete_app(struct mlx5e_priv *priv);
#endif
-#ifndef CONFIG_RFS_ACCEL
-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;
-}
-#else
-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_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
- u16 rxq_index, u32 flow_id);
-#endif
-
int mlx5e_create_tir(struct mlx5_core_dev *mdev,
struct mlx5e_tir *tir, u32 *in, int inlen);
void mlx5e_destroy_tir(struct mlx5_core_dev *mdev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
index 50b0784787bc..adc00ae7e9e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
@@ -4,6 +4,12 @@
#ifndef __MLX5E_FLOW_STEER_H__
#define __MLX5E_FLOW_STEER_H__
+struct mlx5e_flow_table {
+ int num_groups;
+ struct mlx5_flow_table *t;
+ struct mlx5_flow_group **g;
+};
+
#ifdef CONFIG_MLX5_EN_RXNFC
struct mlx5e_ethtool_table {
@@ -31,5 +37,45 @@ static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { }
static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { }
#endif /* CONFIG_MLX5_EN_RXNFC */
+#ifdef CONFIG_MLX5_EN_ARFS
+#define ARFS_HASH_SHIFT BITS_PER_BYTE
+#define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
+
+struct arfs_table {
+ struct mlx5e_flow_table ft;
+ struct mlx5_flow_handle *default_rule;
+ struct hlist_head rules_hash[ARFS_HASH_SIZE];
+};
+
+enum arfs_type {
+ ARFS_IPV4_TCP,
+ ARFS_IPV6_TCP,
+ ARFS_IPV4_UDP,
+ ARFS_IPV6_UDP,
+ ARFS_NUM_TYPES,
+};
+
+struct mlx5e_arfs_tables {
+ struct arfs_table arfs_tables[ARFS_NUM_TYPES];
+ /* Protect aRFS rules list */
+ spinlock_t arfs_lock;
+ struct list_head rules;
+ int last_filter_id;
+ struct workqueue_struct *wq;
+};
+
+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_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; }
+#endif
+
#endif /* __MLX5E_FLOW_STEER_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
index d258bb679271..45cdde694d20 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_arfs.c
@@ -30,8 +30,6 @@
* SOFTWARE.
*/
-#ifdef CONFIG_RFS_ACCEL
-
#include <linux/hash.h>
#include <linux/mlx5/fs.h>
#include <linux/ip.h>
@@ -738,4 +736,4 @@ int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
spin_unlock_bh(&arfs->arfs_lock);
return arfs_rule->filter_id;
}
-#endif
+
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 2731ba2d8049..e09086f41365 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -3624,7 +3624,7 @@ static int set_feature_rx_vlan(struct net_device *netdev, bool enable)
return err;
}
-#ifdef CONFIG_RFS_ACCEL
+#ifdef CONFIG_MLX5_EN_ARFS
static int set_feature_arfs(struct net_device *netdev, bool enable)
{
struct mlx5e_priv *priv = netdev_priv(netdev);
@@ -3679,7 +3679,7 @@ static int mlx5e_set_features(struct net_device *netdev,
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXALL, set_feature_rx_all);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_RXFCS, set_feature_rx_fcs);
err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_VLAN_CTAG_RX, set_feature_rx_vlan);
-#ifdef CONFIG_RFS_ACCEL
+#ifdef CONFIG_MLX5_EN_ARFS
err |= MLX5E_HANDLE_FEATURE(NETIF_F_NTUPLE, set_feature_arfs);
#endif
@@ -4348,12 +4348,12 @@ static const struct net_device_ops mlx5e_netdev_ops = {
.ndo_udp_tunnel_add = mlx5e_add_vxlan_port,
.ndo_udp_tunnel_del = mlx5e_del_vxlan_port,
.ndo_features_check = mlx5e_features_check,
-#ifdef CONFIG_RFS_ACCEL
- .ndo_rx_flow_steer = mlx5e_rx_flow_steer,
-#endif
.ndo_tx_timeout = mlx5e_tx_timeout,
.ndo_bpf = mlx5e_xdp,
.ndo_xdp_xmit = mlx5e_xdp_xmit,
+#ifdef CONFIG_MLX5_EN_ARFS
+ .ndo_rx_flow_steer = mlx5e_rx_flow_steer,
+#endif
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = mlx5e_netpoll,
#endif
@@ -4703,7 +4703,7 @@ static void mlx5e_build_nic_netdev(struct net_device *netdev)
FT_CAP(identified_miss_table_mode) &&
FT_CAP(flow_table_modify)) {
netdev->hw_features |= NETIF_F_HW_TC;
-#ifdef CONFIG_RFS_ACCEL
+#ifdef CONFIG_MLX5_EN_ARFS
netdev->hw_features |= NETIF_F_NTUPLE;
#endif
}
@@ -4947,7 +4947,7 @@ struct net_device *mlx5e_create_netdev(struct mlx5_core_dev *mdev,
return NULL;
}
-#ifdef CONFIG_RFS_ACCEL
+#ifdef CONFIG_MLX5_EN_ARFS
netdev->rx_cpu_rmap = mdev->rmap;
#endif
--
2.17.0
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