Commit fe6d86b3 authored by Saeed Mahameed's avatar Saeed Mahameed
Browse files

net/mlx5e: Add CONFIG_MLX5_EN_RXNFC for ethtool rx nfc 



Add new mlx5 Kconfig flag to allow selecting ethtool rx nfc support,
and compile out en_fs_ehtool.c if not selected.

Add en/fs.h header file to host all steering declarations and
definitions.

Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
Reviewed-by: default avatarMoshe Shemesh <moshe@mellanox.com>
parent cff2b1e3

drivers/net/ethernet/mellanox/mlx5/core/Kconfig

+10 −0
Original line number Diff line number Diff line
@@ -35,6 +35,16 @@ config MLX5_CORE_EN 
	---help---

	  Ethernet support in Mellanox Technologies ConnectX-4 NIC.



config MLX5_EN_RXNFC

	bool "Mellanox MLX5 ethernet rx nfc flow steering support"

	depends on MLX5_CORE_EN

	default y

	---help---

	  Mellanox MLX5 ethernet rx nfc flow steering support

	  Enables ethtool receive network flow classification, which allows user defined

	  flow rules to direct traffic into arbitrary rx queue via ethtool set/get_rxnfc

	  API.



config MLX5_MPFS

        bool "Mellanox Technologies MLX5 MPFS support"

        depends on MLX5_CORE_EN

drivers/net/ethernet/mellanox/mlx5/core/Makefile

+3 −1
Original line number Diff line number Diff line
@@ -15,7 +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_fs_ethtool.o en_selftest.o en/port.o lib/vxlan.o

		en_arfs.o en_selftest.o en/port.o lib/vxlan.o



mlx5_core-$(CONFIG_MLX5_EN_RXNFC) += en_fs_ethtool.o



mlx5_core-$(CONFIG_MLX5_MPFS) += lib/mpfs.o

drivers/net/ethernet/mellanox/mlx5/core/en.h

+3 −20
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ 
#include "wq.h"

#include "mlx5_core.h"

#include "en_stats.h"

#include "en/fs.h"



struct page_pool;
@@ -746,24 +747,11 @@ enum { 
	MLX5E_TC_TTC_FT_LEVEL,

};



struct mlx5e_ethtool_table {

	struct mlx5_flow_table *ft;

	int                    num_rules;

};



#define ETHTOOL_NUM_L3_L4_FTS 7

#define ETHTOOL_NUM_L2_FTS 4



struct mlx5e_ethtool_steering {

	struct mlx5e_ethtool_table      l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];

	struct mlx5e_ethtool_table      l2_ft[ETHTOOL_NUM_L2_FTS];

	struct list_head                rules;

	int                             tot_num_rules;

};



struct mlx5e_flow_steering {

	struct mlx5_flow_namespace      *ns;

#ifdef CONFIG_MLX5_EN_RXNFC

	struct mlx5e_ethtool_steering   ethtool;

#endif

	struct mlx5e_tc_table           tc;

	struct mlx5e_vlan_table         vlan;

	struct mlx5e_l2_table           l2;
@@ -912,11 +900,6 @@ void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft); 
int mlx5e_self_test_num(struct mlx5e_priv *priv);

void mlx5e_self_test(struct net_device *ndev, struct ethtool_test *etest,

		     u64 *buf);

void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);

void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);

int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd);

int mlx5e_get_rxnfc(struct net_device *dev,

		    struct ethtool_rxnfc *info, u32 *rule_locs);

void mlx5e_set_rx_mode_work(struct work_struct *work);



int mlx5e_hwstamp_set(struct mlx5e_priv *priv, struct ifreq *ifr);

drivers/net/ethernet/mellanox/mlx5/core/en/fs.h

0 → 100644
+35 −0
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */

/* Copyright (c) 2018 Mellanox Technologies. */



#ifndef __MLX5E_FLOW_STEER_H__

#define __MLX5E_FLOW_STEER_H__



#ifdef CONFIG_MLX5_EN_RXNFC



struct mlx5e_ethtool_table {

	struct mlx5_flow_table *ft;

	int                    num_rules;

};



#define ETHTOOL_NUM_L3_L4_FTS 7

#define ETHTOOL_NUM_L2_FTS 4



struct mlx5e_ethtool_steering {

	struct mlx5e_ethtool_table      l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];

	struct mlx5e_ethtool_table      l2_ft[ETHTOOL_NUM_L2_FTS];

	struct list_head                rules;

	int                             tot_num_rules;

};



void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);

void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);

int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd);

int mlx5e_get_rxnfc(struct net_device *dev,

		    struct ethtool_rxnfc *info, u32 *rule_locs);

#else

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 */



#endif /* __MLX5E_FLOW_STEER_H__ */

drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c

+2 −0
Original line number Diff line number Diff line
@@ -1631,8 +1631,10 @@ const struct ethtool_ops mlx5e_ethtool_ops = { 
	.get_rxfh_indir_size = mlx5e_get_rxfh_indir_size,

	.get_rxfh          = mlx5e_get_rxfh,

	.set_rxfh          = mlx5e_set_rxfh,

#ifdef CONFIG_MLX5_EN_RXNFC

	.get_rxnfc         = mlx5e_get_rxnfc,

	.set_rxnfc         = mlx5e_set_rxnfc,

#endif

	.flash_device      = mlx5e_flash_device,

	.get_tunable       = mlx5e_get_tunable,

	.set_tunable       = mlx5e_set_tunable,

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