net/mlx5e: Convert RSS to a dedicated object

Code related to RSS is now encapsulated into a dedicated object and put
into new files en/rss.{c,h}. All usages are converted.
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>

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

@@ -22,13 +22,13 @@ mlx5_core-y :=	main.o cmd.o debugfs.o fw.o eq.o uar.o pagealloc.o \
 #
 # Netdev basic
 #
-mlx5_core-$(CONFIG_MLX5_CORE_EN) += en_main.o en_common.o en_fs.o en_ethtool.o \
+mlx5_core-$(CONFIG_MLX5_CORE_EN) += en/rqt.o en/tir.o en/rss.o en/rx_res.o \
+		en/channels.o 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_selftest.o en/port.o en/monitor_stats.o en/health.o \
 		en/reporter_tx.o en/reporter_rx.o en/params.o en/xsk/pool.o \
 		en/xsk/setup.o en/xsk/rx.o en/xsk/tx.o en/devlink.o en/ptp.o \
-		en/qos.o en/trap.o en/fs_tt_redirect.o en/rqt.o en/tir.o \
-		en/rx_res.o en/channels.o
+		en/qos.o en/trap.o en/fs_tt_redirect.o
 
 #
 # Netdev extra

drivers/net/ethernet/mellanox/mlx5/core/en/rss.c

+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES.
+
+#include "rss.h"
+
+#define mlx5e_rss_warn(__dev, format, ...)			\
+	dev_warn((__dev)->device, "%s:%d:(pid %d): " format,	\
+		 __func__, __LINE__, current->pid,		\
+		 ##__VA_ARGS__)
+
+static const struct mlx5e_rss_params_traffic_type rss_default_config[MLX5E_NUM_INDIR_TIRS] = {
+	[MLX5_TT_IPV4_TCP] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
+		.l4_prot_type = MLX5_L4_PROT_TYPE_TCP,
+		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
+	},
+	[MLX5_TT_IPV6_TCP] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
+		.l4_prot_type = MLX5_L4_PROT_TYPE_TCP,
+		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
+	},
+	[MLX5_TT_IPV4_UDP] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
+		.l4_prot_type = MLX5_L4_PROT_TYPE_UDP,
+		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
+	},
+	[MLX5_TT_IPV6_UDP] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
+		.l4_prot_type = MLX5_L4_PROT_TYPE_UDP,
+		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
+	},
+	[MLX5_TT_IPV4_IPSEC_AH] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
+		.l4_prot_type = 0,
+		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
+	},
+	[MLX5_TT_IPV6_IPSEC_AH] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
+		.l4_prot_type = 0,
+		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
+	},
+	[MLX5_TT_IPV4_IPSEC_ESP] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
+		.l4_prot_type = 0,
+		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
+	},
+	[MLX5_TT_IPV6_IPSEC_ESP] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
+		.l4_prot_type = 0,
+		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
+	},
+	[MLX5_TT_IPV4] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
+		.l4_prot_type = 0,
+		.rx_hash_fields = MLX5_HASH_IP,
+	},
+	[MLX5_TT_IPV6] = {
+		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
+		.l4_prot_type = 0,
+		.rx_hash_fields = MLX5_HASH_IP,
+	},
+};
+
+struct mlx5e_rss_params_traffic_type
+mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt)
+{
+	return rss_default_config[tt];
+}
+
+struct mlx5e_rss {
+	struct mlx5e_rss_params_hash hash;
+	struct mlx5e_rss_params_indir indir;
+	u32 rx_hash_fields[MLX5E_NUM_INDIR_TIRS];
+	struct mlx5e_tir tir[MLX5E_NUM_INDIR_TIRS];
+	struct mlx5e_tir inner_tir[MLX5E_NUM_INDIR_TIRS];
+	struct mlx5e_rqt rqt;
+	struct mlx5_core_dev *mdev;
+	u32 drop_rqn;
+	bool inner_ft_support;
+	bool enabled;
+};
+
+struct mlx5e_rss *mlx5e_rss_alloc(void)
+{
+	return kvzalloc(sizeof(struct mlx5e_rss), GFP_KERNEL);
+}
+
+void mlx5e_rss_free(struct mlx5e_rss *rss)
+{
+	kvfree(rss);
+}
+
+static void mlx5e_rss_params_init(struct mlx5e_rss *rss)
+{
+	enum mlx5_traffic_types tt;
+
+	rss->hash.hfunc = ETH_RSS_HASH_TOP;
+	netdev_rss_key_fill(rss->hash.toeplitz_hash_key,
+			    sizeof(rss->hash.toeplitz_hash_key));
+	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
+		rss->rx_hash_fields[tt] =
+			mlx5e_rss_get_default_tt_config(tt).rx_hash_fields;
+}
+
+static struct mlx5e_rss_params_traffic_type
+mlx5e_rss_get_tt_config(struct mlx5e_rss *rss, enum mlx5_traffic_types tt)
+{
+	struct mlx5e_rss_params_traffic_type rss_tt;
+
+	rss_tt = mlx5e_rss_get_default_tt_config(tt);
+	rss_tt.rx_hash_fields = rss->rx_hash_fields[tt];
+	return rss_tt;
+}
+
+static int mlx5e_rss_create_tir(struct mlx5e_rss *rss,
+				enum mlx5_traffic_types tt,
+				const struct mlx5e_lro_param *init_lro_param,
+				bool inner)
+{
+	struct mlx5e_rss_params_traffic_type rss_tt;
+	struct mlx5e_tir_builder *builder;
+	struct mlx5e_tir *tir;
+	u32 rqtn;
+	int err;
+
+	if (inner && !rss->inner_ft_support) {
+		mlx5e_rss_warn(rss->mdev,
+			       "Cannot create inner indirect TIR[%d], RSS inner FT is not supported.\n",
+			       tt);
+		return -EINVAL;
+	}
+
+	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
+
+	builder = mlx5e_tir_builder_alloc(false);
+	if (!builder)
+		return -ENOMEM;
+
+	rqtn = mlx5e_rqt_get_rqtn(&rss->rqt);
+	mlx5e_tir_builder_build_rqt(builder, rss->mdev->mlx5e_res.hw_objs.td.tdn,
+				    rqtn, rss->inner_ft_support);
+	mlx5e_tir_builder_build_lro(builder, init_lro_param);
+	rss_tt = mlx5e_rss_get_tt_config(rss, tt);
+	mlx5e_tir_builder_build_rss(builder, &rss->hash, &rss_tt, inner);
+
+	err = mlx5e_tir_init(tir, builder, rss->mdev, true);
+	mlx5e_tir_builder_free(builder);
+	if (err)
+		mlx5e_rss_warn(rss->mdev, "Failed to create %sindirect TIR: err = %d, tt = %d\n",
+			       inner ? "inner " : "", err, tt);
+	return err;
+}
+
+static void mlx5e_rss_destroy_tir(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
+				  bool inner)
+{
+	struct mlx5e_tir *tir;
+
+	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
+	mlx5e_tir_destroy(tir);
+}
+
+static int mlx5e_rss_create_tirs(struct mlx5e_rss *rss,
+				 const struct mlx5e_lro_param *init_lro_param,
+				 bool inner)
+{
+	enum mlx5_traffic_types tt, max_tt;
+	int err;
+
+	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
+		err = mlx5e_rss_create_tir(rss, tt, init_lro_param, inner);
+		if (err)
+			goto err_destroy_tirs;
+	}
+
+	return 0;
+
+err_destroy_tirs:
+	max_tt = tt;
+	for (tt = 0; tt < max_tt; tt++)
+		mlx5e_rss_destroy_tir(rss, tt, inner);
+	return err;
+}
+
+static void mlx5e_rss_destroy_tirs(struct mlx5e_rss *rss, bool inner)
+{
+	enum mlx5_traffic_types tt;
+
+	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
+		mlx5e_rss_destroy_tir(rss, tt, inner);
+}
+
+static int mlx5e_rss_update_tir(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
+				bool inner)
+{
+	struct mlx5e_rss_params_traffic_type rss_tt;
+	struct mlx5e_tir_builder *builder;
+	struct mlx5e_tir *tir;
+	int err;
+
+	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
+
+	builder = mlx5e_tir_builder_alloc(true);
+	if (!builder)
+		return -ENOMEM;
+
+	rss_tt = mlx5e_rss_get_tt_config(rss, tt);
+
+	mlx5e_tir_builder_build_rss(builder, &rss->hash, &rss_tt, inner);
+	err = mlx5e_tir_modify(tir, builder);
+
+	mlx5e_tir_builder_free(builder);
+	return err;
+}
+
+static int mlx5e_rss_update_tirs(struct mlx5e_rss *rss)
+{
+	enum mlx5_traffic_types tt;
+	int err, retval;
+
+	retval = 0;
+
+	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
+		err = mlx5e_rss_update_tir(rss, tt, false);
+		if (err) {
+			retval = retval ? : err;
+			mlx5e_rss_warn(rss->mdev,
+				       "Failed to update RSS hash of indirect TIR for traffic type %d: err = %d\n",
+				       tt, err);
+		}
+
+		if (!rss->inner_ft_support)
+			continue;
+
+		err = mlx5e_rss_update_tir(rss, tt, true);
+		if (err) {
+			retval = retval ? : err;
+			mlx5e_rss_warn(rss->mdev,
+				       "Failed to update RSS hash of inner indirect TIR for traffic type %d: err = %d\n",
+				       tt, err);
+		}
+	}
+	return retval;
+}
+
+int mlx5e_rss_init(struct mlx5e_rss *rss, struct mlx5_core_dev *mdev,
+		   bool inner_ft_support, u32 drop_rqn,
+		   const struct mlx5e_lro_param *init_lro_param)
+{
+	int err;
+
+	rss->mdev = mdev;
+	rss->inner_ft_support = inner_ft_support;
+	rss->drop_rqn = drop_rqn;
+
+	mlx5e_rss_params_init(rss);
+
+	err = mlx5e_rqt_init_direct(&rss->rqt, mdev, true, drop_rqn);
+	if (err)
+		goto err_out;
+
+	err = mlx5e_rss_create_tirs(rss, init_lro_param, false);
+	if (err)
+		goto err_destroy_rqt;
+
+	if (inner_ft_support) {
+		err = mlx5e_rss_create_tirs(rss, init_lro_param, true);
+		if (err)
+			goto err_destroy_tirs;
+	}
+
+	return 0;
+
+err_destroy_tirs:
+	mlx5e_rss_destroy_tirs(rss, false);
+err_destroy_rqt:
+	mlx5e_rqt_destroy(&rss->rqt);
+err_out:
+	return err;
+}
+
+void mlx5e_rss_cleanup(struct mlx5e_rss *rss)
+{
+	mlx5e_rss_destroy_tirs(rss, false);
+
+	if (rss->inner_ft_support)
+		mlx5e_rss_destroy_tirs(rss, true);
+
+	mlx5e_rqt_destroy(&rss->rqt);
+}
+
+u32 mlx5e_rss_get_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
+		       bool inner)
+{
+	struct mlx5e_tir *tir;
+
+	WARN_ON(inner && !rss->inner_ft_support);
+	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
+
+	return mlx5e_tir_get_tirn(tir);
+}
+
+static void mlx5e_rss_apply(struct mlx5e_rss *rss, u32 *rqns, unsigned int num_rqns)
+{
+	int err;
+
+	err = mlx5e_rqt_redirect_indir(&rss->rqt, rqns, num_rqns, rss->hash.hfunc, &rss->indir);
+	if (err)
+		mlx5e_rss_warn(rss->mdev, "Failed to redirect RQT %#x to channels: err = %d\n",
+			       mlx5e_rqt_get_rqtn(&rss->rqt), err);
+}
+
+void mlx5e_rss_enable(struct mlx5e_rss *rss, u32 *rqns, unsigned int num_rqns)
+{
+	rss->enabled = true;
+	mlx5e_rss_apply(rss, rqns, num_rqns);
+}
+
+void mlx5e_rss_disable(struct mlx5e_rss *rss)
+{
+	int err;
+
+	rss->enabled = false;
+	err = mlx5e_rqt_redirect_direct(&rss->rqt, rss->drop_rqn);
+	if (err)
+		mlx5e_rss_warn(rss->mdev, "Failed to redirect RQT %#x to drop RQ %#x: err = %d\n",
+			       mlx5e_rqt_get_rqtn(&rss->rqt), rss->drop_rqn, err);
+}
+
+int mlx5e_rss_lro_set_param(struct mlx5e_rss *rss, struct mlx5e_lro_param *lro_param)
+{
+	struct mlx5e_tir_builder *builder;
+	enum mlx5_traffic_types tt;
+	int err, final_err;
+
+	builder = mlx5e_tir_builder_alloc(true);
+	if (!builder)
+		return -ENOMEM;
+
+	mlx5e_tir_builder_build_lro(builder, lro_param);
+
+	final_err = 0;
+
+	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
+		err = mlx5e_tir_modify(&rss->tir[tt], builder);
+		if (err) {
+			mlx5e_rss_warn(rss->mdev, "Failed to update LRO state of indirect TIR %#x for traffic type %d: err = %d\n",
+				       mlx5e_tir_get_tirn(&rss->tir[tt]), tt, err);
+			if (!final_err)
+				final_err = err;
+		}
+
+		if (!rss->inner_ft_support)
+			continue;
+
+		err = mlx5e_tir_modify(&rss->inner_tir[tt], builder);
+		if (err) {
+			mlx5e_rss_warn(rss->mdev, "Failed to update LRO state of inner indirect TIR %#x for traffic type %d: err = %d\n",
+				       mlx5e_tir_get_tirn(&rss->inner_tir[tt]), tt, err);
+			if (!final_err)
+				final_err = err;
+		}
+	}
+
+	mlx5e_tir_builder_free(builder);
+	return final_err;
+}
+
+int mlx5e_rss_get_rxfh(struct mlx5e_rss *rss, u32 *indir, u8 *key, u8 *hfunc)
+{
+	unsigned int i;
+
+	if (indir)
+		for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++)
+			indir[i] = rss->indir.table[i];
+
+	if (key)
+		memcpy(key, rss->hash.toeplitz_hash_key,
+		       sizeof(rss->hash.toeplitz_hash_key));
+
+	if (hfunc)
+		*hfunc = rss->hash.hfunc;
+
+	return 0;
+}
+
+int mlx5e_rss_set_rxfh(struct mlx5e_rss *rss, const u32 *indir,
+		       const u8 *key, const u8 *hfunc,
+		       u32 *rqns, unsigned int num_rqns)
+{
+	bool changed_indir = false;
+	bool changed_hash = false;
+
+	if (hfunc && *hfunc != rss->hash.hfunc) {
+		switch (*hfunc) {
+		case ETH_RSS_HASH_XOR:
+		case ETH_RSS_HASH_TOP:
+			break;
+		default:
+			return -EINVAL;
+		}
+		changed_hash = true;
+		changed_indir = true;
+		rss->hash.hfunc = *hfunc;
+	}
+
+	if (key) {
+		if (rss->hash.hfunc == ETH_RSS_HASH_TOP)
+			changed_hash = true;
+		memcpy(rss->hash.toeplitz_hash_key, key,
+		       sizeof(rss->hash.toeplitz_hash_key));
+	}
+
+	if (indir) {
+		unsigned int i;
+
+		changed_indir = true;
+
+		for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++)
+			rss->indir.table[i] = indir[i];
+	}
+
+	if (changed_indir && rss->enabled)
+		mlx5e_rss_apply(rss, rqns, num_rqns);
+
+	if (changed_hash)
+		mlx5e_rss_update_tirs(rss);
+
+	return 0;
+}
+
+struct mlx5e_rss_params_hash mlx5e_rss_get_hash(struct mlx5e_rss *rss)
+{
+	return rss->hash;
+}
+
+u8 mlx5e_rss_get_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt)
+{
+	return rss->rx_hash_fields[tt];
+}
+
+int mlx5e_rss_set_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
+			      u8 rx_hash_fields)
+{
+	u8 old_rx_hash_fields;
+	int err;
+
+	old_rx_hash_fields = rss->rx_hash_fields[tt];
+
+	if (old_rx_hash_fields == rx_hash_fields)
+		return 0;
+
+	rss->rx_hash_fields[tt] = rx_hash_fields;
+
+	err = mlx5e_rss_update_tir(rss, tt, false);
+	if (err) {
+		rss->rx_hash_fields[tt] = old_rx_hash_fields;
+		mlx5e_rss_warn(rss->mdev,
+			       "Failed to update RSS hash fields of indirect TIR for traffic type %d: err = %d\n",
+			       tt, err);
+		return err;
+	}
+
+	if (!(rss->inner_ft_support))
+		return 0;
+
+	err = mlx5e_rss_update_tir(rss, tt, true);
+	if (err) {
+		/* Partial update happened. Try to revert - it may fail too, but
+		 * there is nothing more we can do.
+		 */
+		rss->rx_hash_fields[tt] = old_rx_hash_fields;
+		mlx5e_rss_warn(rss->mdev,
+			       "Failed to update RSS hash fields of inner indirect TIR for traffic type %d: err = %d\n",
+			       tt, err);
+		if (mlx5e_rss_update_tir(rss, tt, false))
+			mlx5e_rss_warn(rss->mdev,
+				       "Partial update of RSS hash fields happened: failed to revert indirect TIR for traffic type %d to the old values\n",
+				       tt);
+	}
+
+	return err;
+}
+
+void mlx5e_rss_set_indir_uniform(struct mlx5e_rss *rss, unsigned int nch)
+{
+	mlx5e_rss_params_indir_init_uniform(&rss->indir, nch);
+}

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

+/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
+/* Copyright (c) 2021, NVIDIA CORPORATION & AFFILIATES. */
+
+#ifndef __MLX5_EN_RSS_H__
+#define __MLX5_EN_RSS_H__
+
+#include "rqt.h"
+#include "tir.h"
+#include "fs.h"
+
+struct mlx5e_rss_params_traffic_type
+mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt);
+
+struct mlx5e_rss;
+
+struct mlx5e_rss *mlx5e_rss_alloc(void);
+void mlx5e_rss_free(struct mlx5e_rss *rss);
+int mlx5e_rss_init(struct mlx5e_rss *rss, struct mlx5_core_dev *mdev,
+		   bool inner_ft_support, u32 drop_rqn,
+		   const struct mlx5e_lro_param *init_lro_param);
+void mlx5e_rss_cleanup(struct mlx5e_rss *rss);
+
+u32 mlx5e_rss_get_tirn(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
+		       bool inner);
+void mlx5e_rss_enable(struct mlx5e_rss *rss, u32 *rqns, unsigned int num_rqns);
+void mlx5e_rss_disable(struct mlx5e_rss *rss);
+
+int mlx5e_rss_lro_set_param(struct mlx5e_rss *rss, struct mlx5e_lro_param *lro_param);
+int mlx5e_rss_get_rxfh(struct mlx5e_rss *rss, u32 *indir, u8 *key, u8 *hfunc);
+int mlx5e_rss_set_rxfh(struct mlx5e_rss *rss, const u32 *indir,
+		       const u8 *key, const u8 *hfunc,
+		       u32 *rqns, unsigned int num_rqns);
+struct mlx5e_rss_params_hash mlx5e_rss_get_hash(struct mlx5e_rss *rss);
+u8 mlx5e_rss_get_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt);
+int mlx5e_rss_set_hash_fields(struct mlx5e_rss *rss, enum mlx5_traffic_types tt,
+			      u8 rx_hash_fields);
+void mlx5e_rss_set_indir_uniform(struct mlx5e_rss *rss, unsigned int nch);
+#endif /* __MLX5_EN_RSS_H__ */

drivers/net/ethernet/mellanox/mlx5/core/en/rx_res.c

@@ -5,74 +5,6 @@
 #include "channels.h"
 #include "params.h"
 
-static const struct mlx5e_rss_params_traffic_type rss_default_config[MLX5E_NUM_INDIR_TIRS] = {
-	[MLX5_TT_IPV4_TCP] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
-		.l4_prot_type = MLX5_L4_PROT_TYPE_TCP,
-		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
-	},
-	[MLX5_TT_IPV6_TCP] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
-		.l4_prot_type = MLX5_L4_PROT_TYPE_TCP,
-		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
-	},
-	[MLX5_TT_IPV4_UDP] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
-		.l4_prot_type = MLX5_L4_PROT_TYPE_UDP,
-		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
-	},
-	[MLX5_TT_IPV6_UDP] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
-		.l4_prot_type = MLX5_L4_PROT_TYPE_UDP,
-		.rx_hash_fields = MLX5_HASH_IP_L4PORTS,
-	},
-	[MLX5_TT_IPV4_IPSEC_AH] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
-		.l4_prot_type = 0,
-		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
-	},
-	[MLX5_TT_IPV6_IPSEC_AH] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
-		.l4_prot_type = 0,
-		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
-	},
-	[MLX5_TT_IPV4_IPSEC_ESP] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
-		.l4_prot_type = 0,
-		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
-	},
-	[MLX5_TT_IPV6_IPSEC_ESP] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
-		.l4_prot_type = 0,
-		.rx_hash_fields = MLX5_HASH_IP_IPSEC_SPI,
-	},
-	[MLX5_TT_IPV4] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV4,
-		.l4_prot_type = 0,
-		.rx_hash_fields = MLX5_HASH_IP,
-	},
-	[MLX5_TT_IPV6] = {
-		.l3_prot_type = MLX5_L3_PROT_TYPE_IPV6,
-		.l4_prot_type = 0,
-		.rx_hash_fields = MLX5_HASH_IP,
-	},
-};
-
-struct mlx5e_rss_params_traffic_type
-mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt)
-{
-	return rss_default_config[tt];
-}
-
-struct mlx5e_rss {
-	struct mlx5e_rss_params_hash hash;
-	struct mlx5e_rss_params_indir indir;
-	u32 rx_hash_fields[MLX5E_NUM_INDIR_TIRS];
-	struct mlx5e_tir tir[MLX5E_NUM_INDIR_TIRS];
-	struct mlx5e_tir inner_tir[MLX5E_NUM_INDIR_TIRS];
-	struct mlx5e_rqt rqt;
-};
-
 struct mlx5e_rx_res {
 	struct mlx5_core_dev *mdev;
 	enum mlx5e_rx_res_features features;
@@ -97,149 +29,105 @@ struct mlx5e_rx_res {
 	} ptp;
 };
 
-struct mlx5e_rx_res *mlx5e_rx_res_alloc(void)
-{
-	return kvzalloc(sizeof(struct mlx5e_rx_res), GFP_KERNEL);
-}
+/* API for rx_res_rss_* */
 
-static void mlx5e_rx_res_rss_params_init(struct mlx5e_rx_res *res, unsigned int init_nch)
+static int mlx5e_rx_res_rss_init(struct mlx5e_rx_res *res,
+				 const struct mlx5e_lro_param *init_lro_param,
+				 unsigned int init_nch)
 {
-	struct mlx5e_rss *rss = res->rss;
-	enum mlx5_traffic_types tt;
-
-	rss->hash.hfunc = ETH_RSS_HASH_TOP;
-	netdev_rss_key_fill(rss->hash.toeplitz_hash_key,
-			    sizeof(rss->hash.toeplitz_hash_key));
-	mlx5e_rss_params_indir_init_uniform(&rss->indir, init_nch);
-	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
-		rss->rx_hash_fields[tt] =
-			mlx5e_rss_get_default_tt_config(tt).rx_hash_fields;
+	bool inner_ft_support = res->features & MLX5E_RX_RES_FEATURE_INNER_FT;
+	struct mlx5e_rss *rss;
+	int err;
+
+	rss = mlx5e_rss_alloc();
+	if (!rss)
+		return -ENOMEM;
+
+	res->rss = rss;
+
+	err = mlx5e_rss_init(rss, res->mdev, inner_ft_support, res->drop_rqn, init_lro_param);
+	if (err)
+		goto err_rss_free;
+
+	mlx5e_rss_set_indir_uniform(rss, init_nch);
+
+	return 0;
+
+err_rss_free:
+	mlx5e_rss_free(rss);
+	res->rss = NULL;
+	return err;
 }
 
-static void mlx5e_rx_res_rss_destroy_tir(struct mlx5e_rx_res *res,
-					 enum mlx5_traffic_types tt,
-					 bool inner)
+static void mlx5e_rx_res_rss_destroy(struct mlx5e_rx_res *res)
 {
 	struct mlx5e_rss *rss = res->rss;
-	struct mlx5e_tir *tir;
 
-	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
-	mlx5e_tir_destroy(tir);
+	mlx5e_rss_cleanup(rss);
+	mlx5e_rss_free(rss);
+	res->rss = NULL;
 }
 
-static int mlx5e_rx_res_rss_create_tir(struct mlx5e_rx_res *res,
-				       struct mlx5e_tir_builder *builder,
-				       enum mlx5_traffic_types tt,
-				       const struct mlx5e_lro_param *init_lro_param,
-				       bool inner)
+static void mlx5e_rx_res_rss_enable(struct mlx5e_rx_res *res)
 {
-	bool inner_ft_support = res->features & MLX5E_RX_RES_FEATURE_INNER_FT;
-	struct mlx5e_rss_params_traffic_type rss_tt;
 	struct mlx5e_rss *rss = res->rss;
-	struct mlx5e_tir *tir;
-	u32 rqtn;
-	int err;
 
-	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
-
-	rqtn = mlx5e_rqt_get_rqtn(&rss->rqt);
-	mlx5e_tir_builder_build_rqt(builder, res->mdev->mlx5e_res.hw_objs.td.tdn,
-				    rqtn, inner_ft_support);
-	mlx5e_tir_builder_build_lro(builder, init_lro_param);
-	rss_tt = mlx5e_rx_res_rss_get_current_tt_config(res, tt);
-	mlx5e_tir_builder_build_rss(builder, &rss->hash, &rss_tt, inner);
-
-	err = mlx5e_tir_init(tir, builder, res->mdev, true);
-	if (err) {
-		mlx5_core_warn(res->mdev, "Failed to create %sindirect TIR: err = %d, tt = %d\n",
-			       inner ? "inner " : "", err, tt);
-		return err;
-	}
+	res->rss_active = true;
 
-	return 0;
+	mlx5e_rss_enable(rss, res->rss_rqns, res->rss_nch);
 }
 
-static int mlx5e_rx_res_rss_create_tirs(struct mlx5e_rx_res *res,
-					const struct mlx5e_lro_param *init_lro_param,
-					bool inner)
+static void mlx5e_rx_res_rss_disable(struct mlx5e_rx_res *res)
 {
-	enum mlx5_traffic_types tt, max_tt;
-	struct mlx5e_tir_builder *builder;
-	int err;
-
-	builder = mlx5e_tir_builder_alloc(false);
-	if (!builder)
-		return -ENOMEM;
-
-	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
-		err = mlx5e_rx_res_rss_create_tir(res, builder, tt, init_lro_param, inner);
-		if (err)
-			goto err_destroy_tirs;
-
-		mlx5e_tir_builder_clear(builder);
-	}
+	struct mlx5e_rss *rss = res->rss;
 
-out:
-	mlx5e_tir_builder_free(builder);
-	return err;
+	res->rss_active = false;
 
-err_destroy_tirs:
-	max_tt = tt;
-	for (tt = 0; tt < max_tt; tt++)
-		mlx5e_rx_res_rss_destroy_tir(res, tt, inner);
-	goto out;
+	mlx5e_rss_disable(rss);
 }
 
-static void mlx5e_rx_res_rss_destroy_tirs(struct mlx5e_rx_res *res, bool inner)
+/* Updates the indirection table SW shadow, does not update the HW resources yet */
+void mlx5e_rx_res_rss_set_indir_uniform(struct mlx5e_rx_res *res, unsigned int nch)
 {
-	enum mlx5_traffic_types tt;
-
-	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++)
-		mlx5e_rx_res_rss_destroy_tir(res, tt, inner);
+	WARN_ON_ONCE(res->rss_active);
+	mlx5e_rss_set_indir_uniform(res->rss, nch);
 }
 
-static int mlx5e_rx_res_rss_init(struct mlx5e_rx_res *res,
-				 const struct mlx5e_lro_param *init_lro_param,
-				 unsigned int init_nch)
+int mlx5e_rx_res_rss_get_rxfh(struct mlx5e_rx_res *res, u32 *indir, u8 *key, u8 *hfunc)
 {
-	bool inner_ft_support = res->features & MLX5E_RX_RES_FEATURE_INNER_FT;
-	struct mlx5e_rss *rss;
-	int err;
-
-	rss = kvzalloc(sizeof(*rss), GFP_KERNEL);
-	if (!rss)
-		return -ENOMEM;
+	struct mlx5e_rss *rss = res->rss;
 
-	res->rss = rss;
+	return mlx5e_rss_get_rxfh(rss, indir, key, hfunc);
+}
 
-	mlx5e_rx_res_rss_params_init(res, init_nch);
+int mlx5e_rx_res_rss_set_rxfh(struct mlx5e_rx_res *res, const u32 *indir,
+			      const u8 *key, const u8 *hfunc)
+{
+	struct mlx5e_rss *rss = res->rss;
 
-	err = mlx5e_rqt_init_direct(&rss->rqt, res->mdev, true, res->drop_rqn);
-	if (err)
-		goto err_free_rss;
+	return mlx5e_rss_set_rxfh(rss, indir, key, hfunc, res->rss_rqns, res->rss_nch);
+}
 
-	err = mlx5e_rx_res_rss_create_tirs(res, init_lro_param, false);
-	if (err)
-		goto err_destroy_rqt;
+u8 mlx5e_rx_res_rss_get_hash_fields(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt)
+{
+	struct mlx5e_rss *rss = res->rss;
 
-	if (inner_ft_support) {
-		err = mlx5e_rx_res_rss_create_tirs(res, init_lro_param, true);
-		if (err)
-			goto err_destroy_tirs;
-	}
+	return mlx5e_rss_get_hash_fields(rss, tt);
+}
 
-	return 0;
+int mlx5e_rx_res_rss_set_hash_fields(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt,
+				     u8 rx_hash_fields)
+{
+	struct mlx5e_rss *rss = res->rss;
 
-err_destroy_tirs:
-	mlx5e_rx_res_rss_destroy_tirs(res, false);
+	return mlx5e_rss_set_hash_fields(rss, tt, rx_hash_fields);
+}
 
-err_destroy_rqt:
-	mlx5e_rqt_destroy(&rss->rqt);
+/* End of API rx_res_rss_* */
 
-err_free_rss:
-	kvfree(rss);
-	res->rss = NULL;
-	return err;
+struct mlx5e_rx_res *mlx5e_rx_res_alloc(void)
+{
+	return kvzalloc(sizeof(struct mlx5e_rx_res), GFP_KERNEL);
 }
 
 static int mlx5e_rx_res_channels_init(struct mlx5e_rx_res *res,
@@ -379,20 +267,6 @@ static int mlx5e_rx_res_ptp_init(struct mlx5e_rx_res *res)
 	return err;
 }
 
-static void mlx5e_rx_res_rss_destroy(struct mlx5e_rx_res *res)
-{
-	struct mlx5e_rss *rss = res->rss;
-
-	mlx5e_rx_res_rss_destroy_tirs(res, false);
-
-	if (res->features & MLX5E_RX_RES_FEATURE_INNER_FT)
-		mlx5e_rx_res_rss_destroy_tirs(res, true);
-
-	mlx5e_rqt_destroy(&rss->rqt);
-	kvfree(rss);
-	res->rss = NULL;
-}
-
 static void mlx5e_rx_res_channels_destroy(struct mlx5e_rx_res *res)
 {
 	unsigned int ix;
@@ -431,7 +305,7 @@ int mlx5e_rx_res_init(struct mlx5e_rx_res *res, struct mlx5_core_dev *mdev,
 
 	err = mlx5e_rx_res_rss_init(res, init_lro_param, init_nch);
 	if (err)
-		return err;
+		goto err_out;
 
 	err = mlx5e_rx_res_channels_init(res, init_lro_param);
 	if (err)
@@ -447,6 +321,7 @@ int mlx5e_rx_res_init(struct mlx5e_rx_res *res, struct mlx5_core_dev *mdev,
 	mlx5e_rx_res_channels_destroy(res);
 err_rss_destroy:
 	mlx5e_rx_res_rss_destroy(res);
+err_out:
 	return err;
 }
 
@@ -478,15 +353,14 @@ u32 mlx5e_rx_res_get_tirn_rss(struct mlx5e_rx_res *res, enum mlx5_traffic_types
 {
 	struct mlx5e_rss *rss = res->rss;
 
-	return mlx5e_tir_get_tirn(&rss->tir[tt]);
+	return mlx5e_rss_get_tirn(rss, tt, false);
 }
 
 u32 mlx5e_rx_res_get_tirn_rss_inner(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt)
 {
 	struct mlx5e_rss *rss = res->rss;
 
-	WARN_ON(!(res->features & MLX5E_RX_RES_FEATURE_INNER_FT));
-	return mlx5e_tir_get_tirn(&rss->inner_tir[tt]);
+	return mlx5e_rss_get_tirn(rss, tt, true);
 }
 
 u32 mlx5e_rx_res_get_tirn_ptp(struct mlx5e_rx_res *res)
@@ -500,34 +374,6 @@ u32 mlx5e_rx_res_get_rqtn_direct(struct mlx5e_rx_res *res, unsigned int ix)
 	return mlx5e_rqt_get_rqtn(&res->channels[ix].direct_rqt);
 }
 
-static void mlx5e_rx_res_rss_enable(struct mlx5e_rx_res *res)
-{
-	struct mlx5e_rss *rss = res->rss;
-	int err;
-
-	res->rss_active = true;
-
-	err = mlx5e_rqt_redirect_indir(&rss->rqt, res->rss_rqns, res->rss_nch,
-				       rss->hash.hfunc,
-				       &rss->indir);
-	if (err)
-		mlx5_core_warn(res->mdev, "Failed to redirect RQT %#x to channels: err = %d\n",
-			       mlx5e_rqt_get_rqtn(&rss->rqt), err);
-}
-
-static void mlx5e_rx_res_rss_disable(struct mlx5e_rx_res *res)
-{
-	struct mlx5e_rss *rss = res->rss;
-	int err;
-
-	res->rss_active = false;
-
-	err = mlx5e_rqt_redirect_direct(&rss->rqt, res->drop_rqn);
-	if (err)
-		mlx5_core_warn(res->mdev, "Failed to redirect RQT %#x to drop RQ %#x: err = %d\n",
-			       mlx5e_rqt_get_rqtn(&rss->rqt), res->drop_rqn, err);
-}
-
 void mlx5e_rx_res_channels_activate(struct mlx5e_rx_res *res, struct mlx5e_channels *chs)
 {
 	unsigned int nch, ix;
@@ -655,185 +501,10 @@ int mlx5e_rx_res_xsk_deactivate(struct mlx5e_rx_res *res, unsigned int ix)
 	return err;
 }
 
-struct mlx5e_rss_params_traffic_type
-mlx5e_rx_res_rss_get_current_tt_config(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt)
-{
-	struct mlx5e_rss_params_traffic_type rss_tt;
-	struct mlx5e_rss *rss = res->rss;
-
-	rss_tt = mlx5e_rss_get_default_tt_config(tt);
-	rss_tt.rx_hash_fields = rss->rx_hash_fields[tt];
-	return rss_tt;
-}
-
-/* Updates the indirection table SW shadow, does not update the HW resources yet */
-void mlx5e_rx_res_rss_set_indir_uniform(struct mlx5e_rx_res *res, unsigned int nch)
-{
-	WARN_ON_ONCE(res->rss_active);
-	mlx5e_rss_params_indir_init_uniform(&res->rss->indir, nch);
-}
-
-int mlx5e_rx_res_rss_get_rxfh(struct mlx5e_rx_res *res, u32 *indir, u8 *key, u8 *hfunc)
-{
-	struct mlx5e_rss *rss = res->rss;
-	unsigned int i;
-
-	if (indir)
-		for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++)
-			indir[i] = rss->indir.table[i];
-
-	if (key)
-		memcpy(key, rss->hash.toeplitz_hash_key,
-		       sizeof(rss->hash.toeplitz_hash_key));
-
-	if (hfunc)
-		*hfunc = rss->hash.hfunc;
-
-	return 0;
-}
-
-static int mlx5e_rx_res_rss_update_tir(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt,
-				       bool inner)
-{
-	struct mlx5e_rss_params_traffic_type rss_tt;
-	struct mlx5e_tir_builder *builder;
-	struct mlx5e_rss *rss = res->rss;
-	struct mlx5e_tir *tir;
-	int err;
-
-	builder = mlx5e_tir_builder_alloc(true);
-	if (!builder)
-		return -ENOMEM;
-
-	rss_tt = mlx5e_rx_res_rss_get_current_tt_config(res, tt);
-
-	mlx5e_tir_builder_build_rss(builder, &rss->hash, &rss_tt, inner);
-	tir = inner ? &rss->inner_tir[tt] : &rss->tir[tt];
-	err = mlx5e_tir_modify(tir, builder);
-
-	mlx5e_tir_builder_free(builder);
-	return err;
-}
-
-int mlx5e_rx_res_rss_set_rxfh(struct mlx5e_rx_res *res, const u32 *indir,
-			      const u8 *key, const u8 *hfunc)
-{
-	struct mlx5e_rss *rss = res->rss;
-	enum mlx5_traffic_types tt;
-	bool changed_indir = false;
-	bool changed_hash = false;
-	int err;
-
-	if (hfunc && *hfunc != rss->hash.hfunc) {
-		switch (*hfunc) {
-		case ETH_RSS_HASH_XOR:
-		case ETH_RSS_HASH_TOP:
-			break;
-		default:
-			return -EINVAL;
-		}
-		changed_hash = true;
-		changed_indir = true;
-		rss->hash.hfunc = *hfunc;
-	}
-
-	if (key) {
-		if (rss->hash.hfunc == ETH_RSS_HASH_TOP)
-			changed_hash = true;
-		memcpy(rss->hash.toeplitz_hash_key, key,
-		       sizeof(rss->hash.toeplitz_hash_key));
-	}
-
-	if (indir) {
-		unsigned int i;
-
-		changed_indir = true;
-
-		for (i = 0; i < MLX5E_INDIR_RQT_SIZE; i++)
-			rss->indir.table[i] = indir[i];
-	}
-
-	if (changed_indir && res->rss_active) {
-		err = mlx5e_rqt_redirect_indir(&rss->rqt, res->rss_rqns, res->rss_nch,
-					       rss->hash.hfunc, &rss->indir);
-		if (err)
-			mlx5_core_warn(res->mdev, "Failed to redirect indirect RQT %#x to channels: err = %d\n",
-				       mlx5e_rqt_get_rqtn(&rss->rqt), err);
-	}
-
-	if (changed_hash)
-		for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
-			err = mlx5e_rx_res_rss_update_tir(res, tt, false);
-			if (err)
-				mlx5_core_warn(res->mdev, "Failed to update RSS hash of indirect TIR for traffic type %d: err = %d\n",
-					       tt, err);
-
-			if (!(res->features & MLX5E_RX_RES_FEATURE_INNER_FT))
-				continue;
-
-			err = mlx5e_rx_res_rss_update_tir(res, tt, true);
-			if (err)
-				mlx5_core_warn(res->mdev, "Failed to update RSS hash of inner indirect TIR for traffic type %d: err = %d\n",
-					       tt, err);
-		}
-
-	return 0;
-}
-
-u8 mlx5e_rx_res_rss_get_hash_fields(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt)
-{
-	struct mlx5e_rss *rss = res->rss;
-
-	return rss->rx_hash_fields[tt];
-}
-
-int mlx5e_rx_res_rss_set_hash_fields(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt,
-				     u8 rx_hash_fields)
-{
-	struct mlx5e_rss *rss = res->rss;
-	u8 old_rx_hash_fields;
-	int err;
-
-	old_rx_hash_fields = rss->rx_hash_fields[tt];
-
-	if (old_rx_hash_fields == rx_hash_fields)
-		return 0;
-
-	rss->rx_hash_fields[tt] = rx_hash_fields;
-
-	err = mlx5e_rx_res_rss_update_tir(res, tt, false);
-	if (err) {
-		rss->rx_hash_fields[tt] = old_rx_hash_fields;
-		mlx5_core_warn(res->mdev, "Failed to update RSS hash fields of indirect TIR for traffic type %d: err = %d\n",
-			       tt, err);
-		return err;
-	}
-
-	if (!(res->features & MLX5E_RX_RES_FEATURE_INNER_FT))
-		return 0;
-
-	err = mlx5e_rx_res_rss_update_tir(res, tt, true);
-	if (err) {
-		/* Partial update happened. Try to revert - it may fail too, but
-		 * there is nothing more we can do.
-		 */
-		rss->rx_hash_fields[tt] = old_rx_hash_fields;
-		mlx5_core_warn(res->mdev, "Failed to update RSS hash fields of inner indirect TIR for traffic type %d: err = %d\n",
-			       tt, err);
-		if (mlx5e_rx_res_rss_update_tir(res, tt, false))
-			mlx5_core_warn(res->mdev,
-				       "Partial update of RSS hash fields happened: failed to revert indirect TIR for traffic type %d to the old values\n",
-				       tt);
-	}
-
-	return err;
-}
-
 int mlx5e_rx_res_lro_set_param(struct mlx5e_rx_res *res, struct mlx5e_lro_param *lro_param)
 {
 	struct mlx5e_rss *rss = res->rss;
 	struct mlx5e_tir_builder *builder;
-	enum mlx5_traffic_types tt;
 	int err, final_err;
 	unsigned int ix;
 
@@ -845,26 +516,9 @@ int mlx5e_rx_res_lro_set_param(struct mlx5e_rx_res *res, struct mlx5e_lro_param
 
 	final_err = 0;
 
-	for (tt = 0; tt < MLX5E_NUM_INDIR_TIRS; tt++) {
-		err = mlx5e_tir_modify(&rss->tir[tt], builder);
-		if (err) {
-			mlx5_core_warn(res->mdev, "Failed to update LRO state of indirect TIR %#x for traffic type %d: err = %d\n",
-				       mlx5e_tir_get_tirn(&rss->tir[tt]), tt, err);
-			if (!final_err)
-				final_err = err;
-		}
-
-		if (!(res->features & MLX5E_RX_RES_FEATURE_INNER_FT))
-			continue;
-
-		err = mlx5e_tir_modify(&rss->inner_tir[tt], builder);
-		if (err) {
-			mlx5_core_warn(res->mdev, "Failed to update LRO state of inner indirect TIR %#x for traffic type %d: err = %d\n",
-				       mlx5e_tir_get_tirn(&rss->inner_tir[tt]), tt, err);
-			if (!final_err)
-				final_err = err;
-		}
-	}
+	err = mlx5e_rss_lro_set_param(rss, lro_param);
+	if (err)
+		final_err = final_err ? : err;
 
 	for (ix = 0; ix < res->max_nch; ix++) {
 		err = mlx5e_tir_modify(&res->channels[ix].direct_tir, builder);
@@ -882,5 +536,5 @@ int mlx5e_rx_res_lro_set_param(struct mlx5e_rx_res *res, struct mlx5e_lro_param
 
 struct mlx5e_rss_params_hash mlx5e_rx_res_get_current_hash(struct mlx5e_rx_res *res)
 {
-	return res->rss->hash;
+	return mlx5e_rss_get_hash(res->rss);
 }

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

@@ -8,6 +8,7 @@
 #include "rqt.h"
 #include "tir.h"
 #include "fs.h"
+#include "rss.h"
 
 struct mlx5e_rx_res;
 
@@ -20,9 +21,6 @@ enum mlx5e_rx_res_features {
 	MLX5E_RX_RES_FEATURE_PTP = BIT(2),
 };
 
-struct mlx5e_rss_params_traffic_type
-mlx5e_rss_get_default_tt_config(enum mlx5_traffic_types tt);
-
 /* Setup */
 struct mlx5e_rx_res *mlx5e_rx_res_alloc(void);
 int mlx5e_rx_res_init(struct mlx5e_rx_res *res, struct mlx5_core_dev *mdev,
@@ -50,8 +48,6 @@ int mlx5e_rx_res_xsk_activate(struct mlx5e_rx_res *res, struct mlx5e_channels *c
 int mlx5e_rx_res_xsk_deactivate(struct mlx5e_rx_res *res, unsigned int ix);
 
 /* Configuration API */
-struct mlx5e_rss_params_traffic_type
-mlx5e_rx_res_rss_get_current_tt_config(struct mlx5e_rx_res *res, enum mlx5_traffic_types tt);
 void mlx5e_rx_res_rss_set_indir_uniform(struct mlx5e_rx_res *res, unsigned int nch);
 int mlx5e_rx_res_rss_get_rxfh(struct mlx5e_rx_res *res, u32 *indir, u8 *key, u8 *hfunc);
 int mlx5e_rx_res_rss_set_rxfh(struct mlx5e_rx_res *res, const u32 *indir,