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Date: Sat, 27 Jun 2020 14:17:20 -0700
From: Saeed Mahameed <saeedm@...lanox.com>
To: "David S. Miller" <davem@...emloft.net>, kuba@...nel.org
Cc: netdev@...r.kernel.org, Tariq Toukan <tariqt@...lanox.com>,
Saeed Mahameed <saeedm@...lanox.com>
Subject: [net-next 08/15] net/mlx5e: kTLS, Add kTLS RX HW offload support
From: Tariq Toukan <tariqt@...lanox.com>
Implement driver support for the kTLS RX HW offload feature.
Resync support is added in a downstream patch.
New offload contexts post their static/progress params WQEs
over the per-channel async ICOSQ, protected under a spin-lock.
The Channel/RQ is selected according to the socket's rxq index.
Feature is OFF by default. Can be turned on by:
$ ethtool -K <if> tls-hw-rx-offload on
A new TLS-RX workqueue is used to allow asynchronous addition of
steering rules, out of the NAPI context.
It will be also used in a downstream patch in the resync procedure.
Signed-off-by: Tariq Toukan <tariqt@...lanox.com>
Signed-off-by: Saeed Mahameed <saeedm@...lanox.com>
---
.../net/ethernet/mellanox/mlx5/core/Kconfig | 1 +
.../net/ethernet/mellanox/mlx5/core/Makefile | 2 +-
.../ethernet/mellanox/mlx5/core/accel/tls.h | 19 +-
.../net/ethernet/mellanox/mlx5/core/en/txrx.h | 11 +
.../mellanox/mlx5/core/en_accel/en_accel.h | 20 ++
.../mellanox/mlx5/core/en_accel/ktls.c | 66 +++-
.../mellanox/mlx5/core/en_accel/ktls.h | 19 +-
.../mellanox/mlx5/core/en_accel/ktls_rx.c | 311 ++++++++++++++++++
.../mellanox/mlx5/core/en_accel/ktls_tx.c | 2 +-
.../mellanox/mlx5/core/en_accel/ktls_txrx.c | 20 +-
.../mellanox/mlx5/core/en_accel/ktls_txrx.h | 4 +
.../mellanox/mlx5/core/en_accel/ktls_utils.h | 4 +
.../mellanox/mlx5/core/en_accel/tls.c | 12 +-
.../mellanox/mlx5/core/en_accel/tls.h | 1 +
.../mellanox/mlx5/core/en_accel/tls_rxtx.c | 20 +-
.../mellanox/mlx5/core/en_accel/tls_rxtx.h | 4 +-
.../net/ethernet/mellanox/mlx5/core/en_main.c | 9 +
.../net/ethernet/mellanox/mlx5/core/en_rx.c | 33 +-
drivers/net/ethernet/mellanox/mlx5/core/fw.c | 3 +-
19 files changed, 529 insertions(+), 32 deletions(-)
create mode 100644 drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 4dfdbb82ea9d..76b39659c39b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -173,6 +173,7 @@ config MLX5_TLS
config MLX5_EN_TLS
bool "TLS cryptography-offload accelaration"
depends on MLX5_CORE_EN
+ depends on XPS
depends on MLX5_FPGA_TLS || MLX5_TLS
default y
help
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 70ad24fff2e2..1e7c7f10db6e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -75,7 +75,7 @@ mlx5_core-$(CONFIG_MLX5_EN_IPSEC) += en_accel/ipsec.o en_accel/ipsec_rxtx.o \
mlx5_core-$(CONFIG_MLX5_EN_TLS) += en_accel/tls.o en_accel/tls_rxtx.o en_accel/tls_stats.o \
en_accel/fs_tcp.o en_accel/ktls.o en_accel/ktls_txrx.o \
- en_accel/ktls_tx.o
+ en_accel/ktls_tx.o en_accel/ktls_rx.o
mlx5_core-$(CONFIG_MLX5_SW_STEERING) += steering/dr_domain.o steering/dr_table.o \
steering/dr_matcher.o steering/dr_rule.o \
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
index aefea467f7b3..fd874f0c380a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/tls.h
@@ -43,9 +43,20 @@ int mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
u32 *p_key_id);
void mlx5_ktls_destroy_key(struct mlx5_core_dev *mdev, u32 key_id);
+static inline bool mlx5_accel_is_ktls_tx(struct mlx5_core_dev *mdev)
+{
+ return MLX5_CAP_GEN(mdev, tls_tx);
+}
+
+static inline bool mlx5_accel_is_ktls_rx(struct mlx5_core_dev *mdev)
+{
+ return MLX5_CAP_GEN(mdev, tls_rx);
+}
+
static inline bool mlx5_accel_is_ktls_device(struct mlx5_core_dev *mdev)
{
- if (!MLX5_CAP_GEN(mdev, tls_tx))
+ if (!mlx5_accel_is_ktls_tx(mdev) &&
+ !mlx5_accel_is_ktls_rx(mdev))
return false;
if (!MLX5_CAP_GEN(mdev, log_max_dek))
@@ -67,6 +78,12 @@ static inline bool mlx5e_ktls_type_check(struct mlx5_core_dev *mdev,
return false;
}
#else
+static inline bool mlx5_accel_is_ktls_tx(struct mlx5_core_dev *mdev)
+{ return false; }
+
+static inline bool mlx5_accel_is_ktls_rx(struct mlx5_core_dev *mdev)
+{ return false; }
+
static inline int
mlx5_ktls_create_key(struct mlx5_core_dev *mdev,
struct tls_crypto_info *crypto_info,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
index 31cac239563d..7f55bd3229f1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
@@ -11,6 +11,10 @@
enum mlx5e_icosq_wqe_type {
MLX5E_ICOSQ_WQE_NOP,
MLX5E_ICOSQ_WQE_UMR_RX,
+#ifdef CONFIG_MLX5_EN_TLS
+ MLX5E_ICOSQ_WQE_UMR_TLS,
+ MLX5E_ICOSQ_WQE_SET_PSV_TLS,
+#endif
};
static inline bool
@@ -114,9 +118,16 @@ struct mlx5e_icosq_wqe_info {
struct {
struct mlx5e_rq *rq;
} umr;
+#ifdef CONFIG_MLX5_EN_TLS
+ struct {
+ struct mlx5e_ktls_offload_context_rx *priv_rx;
+ } tls_set_params;
+#endif
};
};
+void mlx5e_free_icosq_descs(struct mlx5e_icosq *sq);
+
static inline u16 mlx5e_icosq_get_next_pi(struct mlx5e_icosq *sq, u16 size)
{
struct mlx5_wq_cyc *wq = &sq->wq;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
index fac145dcf2ce..7b6abea850d4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/en_accel.h
@@ -37,6 +37,7 @@
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include "en_accel/ipsec_rxtx.h"
+#include "en_accel/tls.h"
#include "en_accel/tls_rxtx.h"
#include "en.h"
#include "en/txrx.h"
@@ -147,4 +148,23 @@ static inline bool mlx5e_accel_tx_finish(struct mlx5e_priv *priv,
return true;
}
+static inline int mlx5e_accel_sk_get_rxq(struct sock *sk)
+{
+ int rxq = sk_rx_queue_get(sk);
+
+ if (unlikely(rxq == -1))
+ rxq = 0;
+
+ return rxq;
+}
+
+static inline int mlx5e_accel_init_rx(struct mlx5e_priv *priv)
+{
+ return mlx5e_ktls_init_rx(priv);
+}
+
+static inline void mlx5e_accel_cleanup_rx(struct mlx5e_priv *priv)
+{
+ mlx5e_ktls_cleanup_rx(priv);
+}
#endif /* __MLX5E_EN_ACCEL_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
index 8970ea68d005..d4ef016ab444 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.c
@@ -4,6 +4,7 @@
#include "en.h"
#include "en_accel/ktls.h"
#include "en_accel/ktls_utils.h"
+#include "en_accel/fs_tcp.h"
static int mlx5e_ktls_add(struct net_device *netdev, struct sock *sk,
enum tls_offload_ctx_dir direction,
@@ -14,13 +15,13 @@ static int mlx5e_ktls_add(struct net_device *netdev, struct sock *sk,
struct mlx5_core_dev *mdev = priv->mdev;
int err;
- if (WARN_ON(direction != TLS_OFFLOAD_CTX_DIR_TX))
- return -EINVAL;
-
if (WARN_ON(!mlx5e_ktls_type_check(mdev, crypto_info)))
return -EOPNOTSUPP;
- err = mlx5e_ktls_add_tx(netdev, sk, crypto_info, start_offload_tcp_sn);
+ if (direction == TLS_OFFLOAD_CTX_DIR_TX)
+ err = mlx5e_ktls_add_tx(netdev, sk, crypto_info, start_offload_tcp_sn);
+ else
+ err = mlx5e_ktls_add_rx(netdev, sk, crypto_info, start_offload_tcp_sn);
return err;
}
@@ -29,26 +30,71 @@ static void mlx5e_ktls_del(struct net_device *netdev,
struct tls_context *tls_ctx,
enum tls_offload_ctx_dir direction)
{
- if (direction != TLS_OFFLOAD_CTX_DIR_TX)
- return;
+ if (direction == TLS_OFFLOAD_CTX_DIR_TX)
+ mlx5e_ktls_del_tx(netdev, tls_ctx);
+ else
+ mlx5e_ktls_del_rx(netdev, tls_ctx);
+}
- mlx5e_ktls_del_tx(netdev, tls_ctx);
+static int mlx5e_ktls_resync(struct net_device *netdev,
+ struct sock *sk, u32 seq, u8 *rcd_sn,
+ enum tls_offload_ctx_dir direction)
+{
+ return -EOPNOTSUPP;
}
static const struct tlsdev_ops mlx5e_ktls_ops = {
.tls_dev_add = mlx5e_ktls_add,
.tls_dev_del = mlx5e_ktls_del,
+ .tls_dev_resync = mlx5e_ktls_resync,
};
void mlx5e_ktls_build_netdev(struct mlx5e_priv *priv)
{
struct net_device *netdev = priv->netdev;
+ struct mlx5_core_dev *mdev = priv->mdev;
- if (!mlx5_accel_is_ktls_device(priv->mdev))
+ if (!mlx5_accel_is_ktls_device(mdev))
return;
- netdev->hw_features |= NETIF_F_HW_TLS_TX;
- netdev->features |= NETIF_F_HW_TLS_TX;
+ if (mlx5_accel_is_ktls_tx(mdev)) {
+ netdev->hw_features |= NETIF_F_HW_TLS_TX;
+ netdev->features |= NETIF_F_HW_TLS_TX;
+ }
+
+ if (mlx5_accel_is_ktls_rx(mdev))
+ netdev->hw_features |= NETIF_F_HW_TLS_RX;
netdev->tlsdev_ops = &mlx5e_ktls_ops;
}
+
+int mlx5e_ktls_set_feature_rx(struct net_device *netdev, bool enable)
+{
+ struct mlx5e_priv *priv = netdev_priv(netdev);
+ int err = 0;
+
+ mutex_lock(&priv->state_lock);
+ if (enable)
+ err = mlx5e_accel_fs_tcp_create(priv);
+ else
+ mlx5e_accel_fs_tcp_destroy(priv);
+ mutex_unlock(&priv->state_lock);
+
+ return err;
+}
+
+int mlx5e_ktls_init_rx(struct mlx5e_priv *priv)
+{
+ int err = 0;
+
+ if (priv->netdev->features & NETIF_F_HW_TLS_RX)
+ err = mlx5e_accel_fs_tcp_create(priv);
+
+ return err;
+}
+
+void mlx5e_ktls_cleanup_rx(struct mlx5e_priv *priv)
+{
+ if (priv->netdev->features & NETIF_F_HW_TLS_RX)
+ mlx5e_accel_fs_tcp_destroy(priv);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
index 69d736954977..baa58b62e8df 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls.h
@@ -9,13 +9,30 @@
#ifdef CONFIG_MLX5_EN_TLS
void mlx5e_ktls_build_netdev(struct mlx5e_priv *priv);
-
+int mlx5e_ktls_init_rx(struct mlx5e_priv *priv);
+void mlx5e_ktls_cleanup_rx(struct mlx5e_priv *priv);
+int mlx5e_ktls_set_feature_rx(struct net_device *netdev, bool enable);
#else
static inline void mlx5e_ktls_build_netdev(struct mlx5e_priv *priv)
{
}
+static inline int mlx5e_ktls_init_rx(struct mlx5e_priv *priv)
+{
+ return 0;
+}
+
+static inline void mlx5e_ktls_cleanup_rx(struct mlx5e_priv *priv)
+{
+}
+
+static inline int mlx5e_ktls_set_feature_rx(struct net_device *netdev, bool enable)
+{
+ netdev_warn(netdev, "kTLS is not supported\n");
+ return -EOPNOTSUPP;
+}
+
#endif
#endif /* __MLX5E_TLS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c
new file mode 100644
index 000000000000..aae4245d0c91
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_rx.c
@@ -0,0 +1,311 @@
+// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
+// Copyright (c) 2019 Mellanox Technologies.
+
+#include "en_accel/en_accel.h"
+#include "en_accel/ktls_txrx.h"
+#include "en_accel/ktls_utils.h"
+#include "en_accel/fs_tcp.h"
+
+struct accel_rule {
+ struct work_struct work;
+ struct mlx5e_priv *priv;
+ struct mlx5_flow_handle *rule;
+};
+
+enum {
+ MLX5E_PRIV_RX_FLAG_DELETING,
+ MLX5E_NUM_PRIV_RX_FLAGS,
+};
+
+struct mlx5e_ktls_offload_context_rx {
+ struct tls12_crypto_info_aes_gcm_128 crypto_info;
+ struct accel_rule rule;
+ struct sock *sk;
+ struct completion add_ctx;
+ u32 tirn;
+ u32 key_id;
+ u32 rxq;
+ DECLARE_BITMAP(flags, MLX5E_NUM_PRIV_RX_FLAGS);
+};
+
+static int mlx5e_ktls_create_tir(struct mlx5_core_dev *mdev, u32 *tirn, u32 rqtn)
+{
+ int err, inlen;
+ void *tirc;
+ u32 *in;
+
+ inlen = MLX5_ST_SZ_BYTES(create_tir_in);
+ in = kvzalloc(inlen, GFP_KERNEL);
+ if (!in)
+ return -ENOMEM;
+
+ tirc = MLX5_ADDR_OF(create_tir_in, in, ctx);
+
+ MLX5_SET(tirc, tirc, transport_domain, mdev->mlx5e_res.td.tdn);
+ MLX5_SET(tirc, tirc, disp_type, MLX5_TIRC_DISP_TYPE_INDIRECT);
+ MLX5_SET(tirc, tirc, rx_hash_fn, MLX5_RX_HASH_FN_INVERTED_XOR8);
+ MLX5_SET(tirc, tirc, indirect_table, rqtn);
+ MLX5_SET(tirc, tirc, tls_en, 1);
+ MLX5_SET(tirc, tirc, self_lb_block,
+ MLX5_TIRC_SELF_LB_BLOCK_BLOCK_UNICAST |
+ MLX5_TIRC_SELF_LB_BLOCK_BLOCK_MULTICAST);
+
+ err = mlx5_core_create_tir(mdev, in, tirn);
+
+ kvfree(in);
+ return err;
+}
+
+static void accel_rule_handle_work(struct work_struct *work)
+{
+ struct mlx5e_ktls_offload_context_rx *priv_rx;
+ struct accel_rule *accel_rule;
+ struct mlx5_flow_handle *rule;
+
+ accel_rule = container_of(work, struct accel_rule, work);
+ priv_rx = container_of(accel_rule, struct mlx5e_ktls_offload_context_rx, rule);
+ if (unlikely(test_bit(MLX5E_PRIV_RX_FLAG_DELETING, priv_rx->flags)))
+ goto out;
+
+ rule = mlx5e_accel_fs_add_sk(accel_rule->priv, priv_rx->sk,
+ priv_rx->tirn, MLX5_FS_DEFAULT_FLOW_TAG);
+ if (!IS_ERR_OR_NULL(rule))
+ accel_rule->rule = rule;
+out:
+ complete(&priv_rx->add_ctx);
+}
+
+static void accel_rule_init(struct accel_rule *rule, struct mlx5e_priv *priv,
+ struct sock *sk)
+{
+ INIT_WORK(&rule->work, accel_rule_handle_work);
+ rule->priv = priv;
+}
+
+static void icosq_fill_wi(struct mlx5e_icosq *sq, u16 pi,
+ struct mlx5e_icosq_wqe_info *wi)
+{
+ sq->db.wqe_info[pi] = *wi;
+}
+
+static struct mlx5_wqe_ctrl_seg *
+post_static_params(struct mlx5e_icosq *sq,
+ struct mlx5e_ktls_offload_context_rx *priv_rx)
+{
+ struct mlx5e_set_tls_static_params_wqe *wqe;
+ struct mlx5e_icosq_wqe_info wi;
+ u16 pi, num_wqebbs, room;
+
+ num_wqebbs = MLX5E_TLS_SET_STATIC_PARAMS_WQEBBS;
+ room = mlx5e_stop_room_for_wqe(num_wqebbs);
+ if (unlikely(!mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, room)))
+ return ERR_PTR(-ENOSPC);
+
+ pi = mlx5e_icosq_get_next_pi(sq, num_wqebbs);
+ wqe = MLX5E_TLS_FETCH_SET_STATIC_PARAMS_WQE(sq, pi);
+ mlx5e_ktls_build_static_params(wqe, sq->pc, sq->sqn, &priv_rx->crypto_info,
+ priv_rx->tirn, priv_rx->key_id, false,
+ TLS_OFFLOAD_CTX_DIR_RX);
+ wi = (struct mlx5e_icosq_wqe_info) {
+ .wqe_type = MLX5E_ICOSQ_WQE_UMR_TLS,
+ .num_wqebbs = num_wqebbs,
+ .tls_set_params.priv_rx = priv_rx,
+ };
+ icosq_fill_wi(sq, pi, &wi);
+ sq->pc += num_wqebbs;
+
+ return &wqe->ctrl;
+}
+
+static struct mlx5_wqe_ctrl_seg *
+post_progress_params(struct mlx5e_icosq *sq,
+ struct mlx5e_ktls_offload_context_rx *priv_rx,
+ u32 next_record_tcp_sn)
+{
+ struct mlx5e_set_tls_progress_params_wqe *wqe;
+ struct mlx5e_icosq_wqe_info wi;
+ u16 pi, num_wqebbs, room;
+
+ num_wqebbs = MLX5E_TLS_SET_PROGRESS_PARAMS_WQEBBS;
+ room = mlx5e_stop_room_for_wqe(num_wqebbs);
+ if (unlikely(!mlx5e_wqc_has_room_for(&sq->wq, sq->cc, sq->pc, room)))
+ return ERR_PTR(-ENOSPC);
+
+ pi = mlx5e_icosq_get_next_pi(sq, num_wqebbs);
+ wqe = MLX5E_TLS_FETCH_SET_PROGRESS_PARAMS_WQE(sq, pi);
+ mlx5e_ktls_build_progress_params(wqe, sq->pc, sq->sqn, priv_rx->tirn, false,
+ next_record_tcp_sn,
+ TLS_OFFLOAD_CTX_DIR_RX);
+ wi = (struct mlx5e_icosq_wqe_info) {
+ .wqe_type = MLX5E_ICOSQ_WQE_SET_PSV_TLS,
+ .num_wqebbs = num_wqebbs,
+ .tls_set_params.priv_rx = priv_rx,
+ };
+
+ icosq_fill_wi(sq, pi, &wi);
+ sq->pc += num_wqebbs;
+
+ return &wqe->ctrl;
+}
+
+static int post_rx_param_wqes(struct mlx5e_channel *c,
+ struct mlx5e_ktls_offload_context_rx *priv_rx,
+ u32 next_record_tcp_sn)
+{
+ struct mlx5_wqe_ctrl_seg *cseg;
+ struct mlx5e_icosq *sq;
+ int err;
+
+ err = 0;
+ sq = &c->async_icosq;
+ spin_lock(&c->async_icosq_lock);
+
+ cseg = post_static_params(sq, priv_rx);
+ if (IS_ERR(cseg))
+ goto err_out;
+ cseg = post_progress_params(sq, priv_rx, next_record_tcp_sn);
+ if (IS_ERR(cseg))
+ goto err_out;
+
+ mlx5e_notify_hw(&sq->wq, sq->pc, sq->uar_map, cseg);
+unlock:
+ spin_unlock(&c->async_icosq_lock);
+
+ return err;
+
+err_out:
+ err = PTR_ERR(cseg);
+ complete(&priv_rx->add_ctx);
+ goto unlock;
+}
+
+static void
+mlx5e_set_ktls_rx_priv_ctx(struct tls_context *tls_ctx,
+ struct mlx5e_ktls_offload_context_rx *priv_rx)
+{
+ struct mlx5e_ktls_offload_context_rx **ctx =
+ __tls_driver_ctx(tls_ctx, TLS_OFFLOAD_CTX_DIR_RX);
+
+ BUILD_BUG_ON(sizeof(struct mlx5e_ktls_offload_context_rx *) >
+ TLS_OFFLOAD_CONTEXT_SIZE_RX);
+
+ *ctx = priv_rx;
+}
+
+static struct mlx5e_ktls_offload_context_rx *
+mlx5e_get_ktls_rx_priv_ctx(struct tls_context *tls_ctx)
+{
+ struct mlx5e_ktls_offload_context_rx **ctx =
+ __tls_driver_ctx(tls_ctx, TLS_OFFLOAD_CTX_DIR_RX);
+
+ return *ctx;
+}
+
+void mlx5e_ktls_handle_rx_skb(struct mlx5e_rq *rq, struct sk_buff *skb,
+ struct mlx5_cqe64 *cqe, u32 *cqe_bcnt)
+{
+ u8 tls_offload = get_cqe_tls_offload(cqe);
+
+ if (likely(tls_offload == CQE_TLS_OFFLOAD_NOT_DECRYPTED))
+ return;
+
+ switch (tls_offload) {
+ case CQE_TLS_OFFLOAD_DECRYPTED:
+ skb->decrypted = 1;
+ break;
+ case CQE_TLS_OFFLOAD_RESYNC:
+ break;
+ default: /* CQE_TLS_OFFLOAD_ERROR: */
+ break;
+ }
+}
+
+void mlx5e_ktls_handle_ctx_completion(struct mlx5e_icosq_wqe_info *wi)
+{
+ struct mlx5e_ktls_offload_context_rx *priv_rx = wi->tls_set_params.priv_rx;
+ struct accel_rule *rule = &priv_rx->rule;
+
+ if (unlikely(test_bit(MLX5E_PRIV_RX_FLAG_DELETING, priv_rx->flags))) {
+ complete(&priv_rx->add_ctx);
+ return;
+ }
+ queue_work(rule->priv->tls->rx_wq, &rule->work);
+}
+
+int mlx5e_ktls_add_rx(struct net_device *netdev, struct sock *sk,
+ struct tls_crypto_info *crypto_info,
+ u32 start_offload_tcp_sn)
+{
+ struct mlx5e_ktls_offload_context_rx *priv_rx;
+ struct tls_context *tls_ctx;
+ struct mlx5_core_dev *mdev;
+ struct mlx5e_priv *priv;
+ int rxq, err;
+ u32 rqtn;
+
+ tls_ctx = tls_get_ctx(sk);
+ priv = netdev_priv(netdev);
+ mdev = priv->mdev;
+ priv_rx = kzalloc(sizeof(*priv_rx), GFP_KERNEL);
+ if (unlikely(!priv_rx))
+ return -ENOMEM;
+
+ err = mlx5_ktls_create_key(mdev, crypto_info, &priv_rx->key_id);
+ if (err)
+ goto err_create_key;
+
+ priv_rx->crypto_info =
+ *(struct tls12_crypto_info_aes_gcm_128 *)crypto_info;
+ priv_rx->sk = sk;
+ priv_rx->rxq = mlx5e_accel_sk_get_rxq(sk);
+
+ mlx5e_set_ktls_rx_priv_ctx(tls_ctx, priv_rx);
+
+ rxq = priv_rx->rxq;
+ rqtn = priv->direct_tir[rxq].rqt.rqtn;
+
+ err = mlx5e_ktls_create_tir(mdev, &priv_rx->tirn, rqtn);
+ if (err)
+ goto err_create_tir;
+
+ init_completion(&priv_rx->add_ctx);
+ accel_rule_init(&priv_rx->rule, priv, sk);
+ err = post_rx_param_wqes(priv->channels.c[rxq], priv_rx, start_offload_tcp_sn);
+ if (err)
+ goto err_post_wqes;
+
+ return 0;
+
+err_post_wqes:
+ mlx5_core_destroy_tir(mdev, priv_rx->tirn);
+err_create_tir:
+ mlx5_ktls_destroy_key(mdev, priv_rx->key_id);
+err_create_key:
+ kfree(priv_rx);
+ return err;
+}
+
+void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx)
+{
+ struct mlx5e_ktls_offload_context_rx *priv_rx;
+ struct mlx5_core_dev *mdev;
+ struct mlx5e_priv *priv;
+
+ priv = netdev_priv(netdev);
+ mdev = priv->mdev;
+
+ priv_rx = mlx5e_get_ktls_rx_priv_ctx(tls_ctx);
+ set_bit(MLX5E_PRIV_RX_FLAG_DELETING, priv_rx->flags);
+ if (!cancel_work_sync(&priv_rx->rule.work))
+ /* completion is needed, as the priv_rx in the add flow
+ * is maintained on the wqe info (wi), not on the socket.
+ */
+ wait_for_completion(&priv_rx->add_ctx);
+
+ if (priv_rx->rule.rule)
+ mlx5e_accel_fs_del_sk(priv_rx->rule.rule);
+
+ mlx5_core_destroy_tir(mdev, priv_rx->tirn);
+ mlx5_ktls_destroy_key(mdev, priv_rx->key_id);
+ kfree(priv_rx);
+}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
index 5a980f93c326..9c34ffa55b32 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_tx.c
@@ -188,7 +188,7 @@ post_progress_params(struct mlx5e_txqsq *sq,
num_wqebbs = MLX5E_TLS_SET_PROGRESS_PARAMS_WQEBBS;
pi = mlx5e_txqsq_get_next_pi(sq, num_wqebbs);
wqe = MLX5E_TLS_FETCH_SET_PROGRESS_PARAMS_WQE(sq, pi);
- mlx5e_ktls_build_progress_params(wqe, sq->pc, sq->sqn, priv_tx->tisn, fence,
+ mlx5e_ktls_build_progress_params(wqe, sq->pc, sq->sqn, priv_tx->tisn, fence, 0,
TLS_OFFLOAD_CTX_DIR_TX);
tx_fill_wi(sq, pi, num_wqebbs, 0, NULL);
sq->pc += num_wqebbs;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.c
index edf404eaa275..c1f1ad32ca4c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.c
@@ -59,11 +59,13 @@ mlx5e_ktls_build_static_params(struct mlx5e_set_tls_static_params_wqe *wqe,
{
struct mlx5_wqe_umr_ctrl_seg *ucseg = &wqe->uctrl;
struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
+ u8 opmod = direction == TLS_OFFLOAD_CTX_DIR_TX ?
+ MLX5_OPC_MOD_TLS_TIS_STATIC_PARAMS :
+ MLX5_OPC_MOD_TLS_TIR_STATIC_PARAMS;
#define STATIC_PARAMS_DS_CNT DIV_ROUND_UP(sizeof(*wqe), MLX5_SEND_WQE_DS)
- cseg->opmod_idx_opcode = cpu_to_be32((pc << 8) | MLX5_OPCODE_UMR |
- (MLX5_OPC_MOD_TLS_TIS_STATIC_PARAMS << 24));
+ cseg->opmod_idx_opcode = cpu_to_be32((pc << 8) | MLX5_OPCODE_UMR | (opmod << 24));
cseg->qpn_ds = cpu_to_be32((sqn << MLX5_WQE_CTRL_QPN_SHIFT) |
STATIC_PARAMS_DS_CNT);
cseg->fm_ce_se = fence ? MLX5_FENCE_MODE_INITIATOR_SMALL : 0;
@@ -76,12 +78,15 @@ mlx5e_ktls_build_static_params(struct mlx5e_set_tls_static_params_wqe *wqe,
}
static void
-fill_progress_params(struct mlx5_wqe_tls_progress_params_seg *params, u32 tis_tir_num)
+fill_progress_params(struct mlx5_wqe_tls_progress_params_seg *params, u32 tis_tir_num,
+ u32 next_record_tcp_sn)
{
u8 *ctx = params->ctx;
params->tis_tir_num = cpu_to_be32(tis_tir_num);
+ MLX5_SET(tls_progress_params, ctx, next_record_tcp_sn,
+ next_record_tcp_sn);
MLX5_SET(tls_progress_params, ctx, record_tracker_state,
MLX5E_TLS_PROGRESS_PARAMS_RECORD_TRACKER_STATE_START);
MLX5_SET(tls_progress_params, ctx, auth_state,
@@ -92,19 +97,22 @@ void
mlx5e_ktls_build_progress_params(struct mlx5e_set_tls_progress_params_wqe *wqe,
u16 pc, u32 sqn,
u32 tis_tir_num, bool fence,
+ u32 next_record_tcp_sn,
enum tls_offload_ctx_dir direction)
{
struct mlx5_wqe_ctrl_seg *cseg = &wqe->ctrl;
+ u8 opmod = direction == TLS_OFFLOAD_CTX_DIR_TX ?
+ MLX5_OPC_MOD_TLS_TIS_PROGRESS_PARAMS :
+ MLX5_OPC_MOD_TLS_TIR_PROGRESS_PARAMS;
#define PROGRESS_PARAMS_DS_CNT DIV_ROUND_UP(sizeof(*wqe), MLX5_SEND_WQE_DS)
cseg->opmod_idx_opcode =
- cpu_to_be32((pc << 8) | MLX5_OPCODE_SET_PSV |
- (MLX5_OPC_MOD_TLS_TIS_PROGRESS_PARAMS << 24));
+ cpu_to_be32((pc << 8) | MLX5_OPCODE_SET_PSV | (opmod << 24));
cseg->qpn_ds = cpu_to_be32((sqn << MLX5_WQE_CTRL_QPN_SHIFT) |
PROGRESS_PARAMS_DS_CNT);
cseg->fm_ce_se = fence ? MLX5_FENCE_MODE_INITIATOR_SMALL : 0;
- fill_progress_params(&wqe->params, tis_tir_num);
+ fill_progress_params(&wqe->params, tis_tir_num, next_record_tcp_sn);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h
index 7ce6b1c41d9b..7bdd6ec6c981 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_txrx.h
@@ -19,6 +19,10 @@ u16 mlx5e_ktls_get_stop_room(struct mlx5e_txqsq *sq);
bool mlx5e_ktls_handle_tx_skb(struct tls_context *tls_ctx, struct mlx5e_txqsq *sq,
struct sk_buff *skb, int datalen,
struct mlx5e_accel_tx_tls_state *state);
+void mlx5e_ktls_handle_rx_skb(struct mlx5e_rq *rq, struct sk_buff *skb,
+ struct mlx5_cqe64 *cqe, u32 *cqe_bcnt);
+
+void mlx5e_ktls_handle_ctx_completion(struct mlx5e_icosq_wqe_info *wi);
void mlx5e_ktls_tx_handle_resync_dump_comp(struct mlx5e_txqsq *sq,
struct mlx5e_tx_wqe_info *wi,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h
index d1d747cb2dcb..566cf24eb0fe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ktls_utils.h
@@ -23,6 +23,9 @@ enum {
int mlx5e_ktls_add_tx(struct net_device *netdev, struct sock *sk,
struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
void mlx5e_ktls_del_tx(struct net_device *netdev, struct tls_context *tls_ctx);
+int mlx5e_ktls_add_rx(struct net_device *netdev, struct sock *sk,
+ struct tls_crypto_info *crypto_info, u32 start_offload_tcp_sn);
+void mlx5e_ktls_del_rx(struct net_device *netdev, struct tls_context *tls_ctx);
struct mlx5e_set_tls_static_params_wqe {
struct mlx5_wqe_ctrl_seg ctrl;
@@ -64,6 +67,7 @@ void
mlx5e_ktls_build_progress_params(struct mlx5e_set_tls_progress_params_wqe *wqe,
u16 pc, u32 sqn,
u32 tis_tir_num, bool fence,
+ u32 next_record_tcp_sn,
enum tls_offload_ctx_dir direction);
#endif /* __MLX5E_TLS_UTILS_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
index c01c17a5c6de..99beb928feff 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.c
@@ -197,6 +197,7 @@ void mlx5e_tls_build_netdev(struct mlx5e_priv *priv)
return;
}
+ /* FPGA */
if (!mlx5_accel_is_tls_device(priv->mdev))
return;
@@ -221,11 +222,19 @@ void mlx5e_tls_build_netdev(struct mlx5e_priv *priv)
int mlx5e_tls_init(struct mlx5e_priv *priv)
{
- struct mlx5e_tls *tls = kzalloc(sizeof(*tls), GFP_KERNEL);
+ struct mlx5e_tls *tls;
+ if (!mlx5_accel_is_tls_device(priv->mdev))
+ return 0;
+
+ tls = kzalloc(sizeof(*tls), GFP_KERNEL);
if (!tls)
return -ENOMEM;
+ tls->rx_wq = create_singlethread_workqueue("mlx5e_tls_rx");
+ if (!tls->rx_wq)
+ return -ENOMEM;
+
priv->tls = tls;
return 0;
}
@@ -237,6 +246,7 @@ void mlx5e_tls_cleanup(struct mlx5e_priv *priv)
if (!tls)
return;
+ destroy_workqueue(tls->rx_wq);
kfree(tls);
priv->tls = NULL;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
index 9015f3f7792d..ca0c2ebb41a1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls.h
@@ -53,6 +53,7 @@ struct mlx5e_tls_sw_stats {
struct mlx5e_tls {
struct mlx5e_tls_sw_stats sw_stats;
+ struct workqueue_struct *rx_wq;
};
struct mlx5e_tls_offload_context_tx {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
index 4d796fea906d..182841322ce4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.c
@@ -278,9 +278,10 @@ bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,
if (WARN_ON_ONCE(tls_ctx->netdev != netdev))
goto err_out;
- if (MLX5_CAP_GEN(sq->channel->mdev, tls_tx))
+ if (mlx5_accel_is_ktls_tx(sq->channel->mdev))
return mlx5e_ktls_handle_tx_skb(tls_ctx, sq, skb, datalen, state);
+ /* FPGA */
skb_seq = ntohl(tcp_hdr(skb)->seq);
context = mlx5e_get_tls_tx_context(tls_ctx);
expected_seq = context->expected_seq;
@@ -354,12 +355,16 @@ static int tls_update_resync_sn(struct net_device *netdev,
return 0;
}
-void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
- u32 *cqe_bcnt)
+void mlx5e_tls_handle_rx_skb(struct mlx5e_rq *rq, struct sk_buff *skb,
+ struct mlx5_cqe64 *cqe, u32 *cqe_bcnt)
{
struct mlx5e_tls_metadata *mdata;
struct mlx5e_priv *priv;
+ if (likely(mlx5_accel_is_ktls_rx(rq->mdev)))
+ return mlx5e_ktls_handle_rx_skb(rq, skb, cqe, cqe_bcnt);
+
+ /* FPGA */
if (!is_metadata_hdr_valid(skb))
return;
@@ -370,13 +375,13 @@ void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
skb->decrypted = 1;
break;
case SYNDROM_RESYNC_REQUEST:
- tls_update_resync_sn(netdev, skb, mdata);
- priv = netdev_priv(netdev);
+ tls_update_resync_sn(rq->netdev, skb, mdata);
+ priv = netdev_priv(rq->netdev);
atomic64_inc(&priv->tls->sw_stats.rx_tls_resync_request);
break;
case SYNDROM_AUTH_FAILED:
/* Authentication failure will be observed and verified by kTLS */
- priv = netdev_priv(netdev);
+ priv = netdev_priv(rq->netdev);
atomic64_inc(&priv->tls->sw_stats.rx_tls_auth_fail);
break;
default:
@@ -395,9 +400,10 @@ u16 mlx5e_tls_get_stop_room(struct mlx5e_txqsq *sq)
if (!mlx5_accel_is_tls_device(mdev))
return 0;
- if (MLX5_CAP_GEN(mdev, tls_tx))
+ if (mlx5_accel_is_ktls_device(mdev))
return mlx5e_ktls_get_stop_room(sq);
+ /* FPGA */
/* Resync SKB. */
return mlx5e_stop_room_for_wqe(MLX5_SEND_WQE_MAX_WQEBBS);
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
index 2a7b98531539..8bb790674042 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/tls_rxtx.h
@@ -49,8 +49,8 @@ bool mlx5e_tls_handle_tx_skb(struct net_device *netdev, struct mlx5e_txqsq *sq,
void mlx5e_tls_handle_tx_wqe(struct mlx5e_txqsq *sq, struct mlx5_wqe_ctrl_seg *cseg,
struct mlx5e_accel_tx_tls_state *state);
-void mlx5e_tls_handle_rx_skb(struct net_device *netdev, struct sk_buff *skb,
- u32 *cqe_bcnt);
+void mlx5e_tls_handle_rx_skb(struct mlx5e_rq *rq, struct sk_buff *skb,
+ struct mlx5_cqe64 *cqe, u32 *cqe_bcnt);
#else
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 11997c23dfb5..0f1578a5e538 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1441,6 +1441,7 @@ void mlx5e_close_icosq(struct mlx5e_icosq *sq)
struct mlx5e_channel *c = sq->channel;
mlx5e_destroy_sq(c->mdev, sq->sqn);
+ mlx5e_free_icosq_descs(sq);
mlx5e_free_icosq(sq);
}
@@ -3853,6 +3854,7 @@ int mlx5e_set_features(struct net_device *netdev, netdev_features_t features)
#ifdef CONFIG_MLX5_EN_ARFS
err |= MLX5E_HANDLE_FEATURE(NETIF_F_NTUPLE, set_feature_arfs);
#endif
+ err |= MLX5E_HANDLE_FEATURE(NETIF_F_HW_TLS_RX, mlx5e_ktls_set_feature_rx);
if (err) {
netdev->features = oper_features;
@@ -5143,8 +5145,14 @@ static int mlx5e_init_nic_rx(struct mlx5e_priv *priv)
if (err)
goto err_destroy_flow_steering;
+ err = mlx5e_accel_init_rx(priv);
+ if (err)
+ goto err_tc_nic_cleanup;
+
return 0;
+err_tc_nic_cleanup:
+ mlx5e_tc_nic_cleanup(priv);
err_destroy_flow_steering:
mlx5e_destroy_flow_steering(priv);
err_destroy_xsk_tirs:
@@ -5168,6 +5176,7 @@ static int mlx5e_init_nic_rx(struct mlx5e_priv *priv)
static void mlx5e_cleanup_nic_rx(struct mlx5e_priv *priv)
{
+ mlx5e_accel_cleanup_rx(priv);
mlx5e_tc_nic_cleanup(priv);
mlx5e_destroy_flow_steering(priv);
mlx5e_destroy_direct_tirs(priv, priv->xsk_tir);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index dbb1c6323967..9a6958acf87d 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -578,6 +578,30 @@ bool mlx5e_post_rx_wqes(struct mlx5e_rq *rq)
return !!err;
}
+void mlx5e_free_icosq_descs(struct mlx5e_icosq *sq)
+{
+ u16 sqcc;
+
+ sqcc = sq->cc;
+
+ while (sqcc != sq->pc) {
+ struct mlx5e_icosq_wqe_info *wi;
+ u16 ci;
+
+ ci = mlx5_wq_cyc_ctr2ix(&sq->wq, sqcc);
+ wi = &sq->db.wqe_info[ci];
+ sqcc += wi->num_wqebbs;
+#ifdef CONFIG_MLX5_EN_TLS
+ switch (wi->wqe_type) {
+ case MLX5E_ICOSQ_WQE_SET_PSV_TLS:
+ mlx5e_ktls_handle_ctx_completion(wi);
+ break;
+ }
+#endif
+ }
+ sq->cc = sqcc;
+}
+
int mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
{
struct mlx5e_icosq *sq = container_of(cq, struct mlx5e_icosq, cq);
@@ -633,6 +657,13 @@ int mlx5e_poll_ico_cq(struct mlx5e_cq *cq)
break;
case MLX5E_ICOSQ_WQE_NOP:
break;
+#ifdef CONFIG_MLX5_EN_TLS
+ case MLX5E_ICOSQ_WQE_UMR_TLS:
+ break;
+ case MLX5E_ICOSQ_WQE_SET_PSV_TLS:
+ mlx5e_ktls_handle_ctx_completion(wi);
+ break;
+#endif
default:
netdev_WARN_ONCE(cq->channel->netdev,
"Bad WQE type in ICOSQ WQE info: 0x%x\n",
@@ -983,7 +1014,7 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe,
skb->mac_len = ETH_HLEN;
#ifdef CONFIG_MLX5_EN_TLS
- mlx5e_tls_handle_rx_skb(netdev, skb, &cqe_bcnt);
+ mlx5e_tls_handle_rx_skb(rq, skb, cqe, &cqe_bcnt);
#endif
if (lro_num_seg > 1) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fw.c b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
index a5fbe7343508..c3095863372c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fw.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fw.c
@@ -35,6 +35,7 @@
#include <linux/module.h>
#include "mlx5_core.h"
#include "../../mlxfw/mlxfw.h"
+#include "accel/tls.h"
enum {
MCQS_IDENTIFIER_BOOT_IMG = 0x1,
@@ -236,7 +237,7 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
return err;
}
- if (MLX5_CAP_GEN(dev, tls_tx)) {
+ if (mlx5_accel_is_ktls_tx(dev) || mlx5_accel_is_ktls_rx(dev)) {
err = mlx5_core_get_caps(dev, MLX5_CAP_TLS);
if (err)
return err;
--
2.26.2
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