* [PATCH mlx5-next 01/17] net/mlx5_fpga: Drop INNOVA IPsec support
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 02/17] net/mlx5: Delete metadata handling logic Leon Romanovsky
` (16 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Mellanox INNOVA IPsec cards are EOL in Nov, 2019 [1]. As such, the code
is unmaintained, untested and not in-use by any upstream/distro oriented
customers. In order to reduce code complexity, drop the kernel code.
[1] https://network.nvidia.com/related-docs/eol/LCR-000535.pdf
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../net/ethernet/mellanox/mlx5/core/Kconfig | 14 +-
.../net/ethernet/mellanox/mlx5/core/Makefile | 1 -
.../ethernet/mellanox/mlx5/core/accel/ipsec.c | 6 +-
.../ethernet/mellanox/mlx5/core/en/params.c | 7 -
.../mellanox/mlx5/core/en_accel/ipsec_stats.c | 17 +-
.../net/ethernet/mellanox/mlx5/core/en_main.c | 7 -
.../net/ethernet/mellanox/mlx5/core/en_rx.c | 54 +-
.../ethernet/mellanox/mlx5/core/fpga/core.h | 2 -
.../ethernet/mellanox/mlx5/core/fpga/ipsec.c | 1582 -----------------
.../ethernet/mellanox/mlx5/core/fpga/ipsec.h | 62 -
.../net/ethernet/mellanox/mlx5/core/fs_core.c | 9 +-
.../net/ethernet/mellanox/mlx5/core/main.c | 2 -
include/linux/mlx5/mlx5_ifc_fpga.h | 148 --
13 files changed, 5 insertions(+), 1906 deletions(-)
delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 0c82b376416b..e34e64a9ff4a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -22,7 +22,6 @@ config MLX5_ACCEL
config MLX5_FPGA
bool "Mellanox Technologies Innova support"
depends on MLX5_CORE
- select MLX5_ACCEL
help
Build support for the Innova family of network cards by Mellanox
Technologies. Innova network cards are comprised of a ConnectX chip
@@ -143,17 +142,6 @@ config MLX5_CORE_IPOIB
help
MLX5 IPoIB offloads & acceleration support.
-config MLX5_FPGA_IPSEC
- bool "Mellanox Technologies IPsec Innova support"
- depends on MLX5_CORE
- depends on MLX5_FPGA
- help
- Build IPsec support for the Innova family of network cards by Mellanox
- Technologies. Innova network cards are comprised of a ConnectX chip
- and an FPGA chip on one board. If you select this option, the
- mlx5_core driver will include the Innova FPGA core and allow building
- sandbox-specific client drivers.
-
config MLX5_IPSEC
bool "Mellanox Technologies IPsec Connect-X support"
depends on MLX5_CORE_EN
@@ -171,7 +159,7 @@ config MLX5_EN_IPSEC
depends on MLX5_CORE_EN
depends on XFRM_OFFLOAD
depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD
- depends on MLX5_FPGA_IPSEC || MLX5_IPSEC
+ depends on MLX5_IPSEC
help
Build support for IPsec cryptography-offload acceleration in the NIC.
Note: Support for hardware with this capability needs to be selected
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 44ff1623707a..e50361656305 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -89,7 +89,6 @@ mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib/ipoib.o ipoib/ethtool.o ipoib/ipoib
# Accelerations & FPGA
#
mlx5_core-$(CONFIG_MLX5_IPSEC) += accel/ipsec_offload.o
-mlx5_core-$(CONFIG_MLX5_FPGA_IPSEC) += fpga/ipsec.o
mlx5_core-$(CONFIG_MLX5_ACCEL) += lib/crypto.o accel/ipsec.o
mlx5_core-$(CONFIG_MLX5_FPGA) += fpga/cmd.o fpga/core.o fpga/conn.o fpga/sdk.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
index 09f5ce97af46..45296ec2d055 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
@@ -35,7 +35,6 @@
#include "accel/ipsec.h"
#include "mlx5_core.h"
-#include "fpga/ipsec.h"
#include "accel/ipsec_offload.h"
void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
@@ -43,10 +42,7 @@ void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
const struct mlx5_accel_ipsec_ops *ipsec_ops;
int err = 0;
- ipsec_ops = (mlx5_ipsec_offload_ops(mdev)) ?
- mlx5_ipsec_offload_ops(mdev) :
- mlx5_fpga_ipsec_ops(mdev);
-
+ ipsec_ops = mlx5_ipsec_offload_ops(mdev);
if (!ipsec_ops || !ipsec_ops->init) {
mlx5_core_dbg(mdev, "IPsec ops is not supported\n");
return;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index 7f76c4f9389b..ebb12817b795 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -6,7 +6,6 @@
#include "en/port.h"
#include "en_accel/en_accel.h"
#include "accel/ipsec.h"
-#include "fpga/ipsec.h"
static bool mlx5e_rx_is_xdp(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk)
@@ -327,9 +326,6 @@ bool mlx5e_striding_rq_possible(struct mlx5_core_dev *mdev,
if (!mlx5e_check_fragmented_striding_rq_cap(mdev))
return false;
- if (mlx5_fpga_is_ipsec_device(mdev))
- return false;
-
if (params->xdp_prog) {
/* XSK params are not considered here. If striding RQ is in use,
* and an XSK is being opened, mlx5e_rx_mpwqe_is_linear_skb will
@@ -423,9 +419,6 @@ static int mlx5e_build_rq_frags_info(struct mlx5_core_dev *mdev,
int max_mtu;
int i;
- if (mlx5_fpga_is_ipsec_device(mdev))
- byte_count += MLX5E_METADATA_ETHER_LEN;
-
if (mlx5e_rx_is_linear_skb(params, xsk)) {
int frag_stride;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
index 5cb936541b9e..1607c305d3ab 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
@@ -38,7 +38,6 @@
#include "accel/ipsec.h"
#include "fpga/sdk.h"
#include "en_accel/ipsec.h"
-#include "fpga/ipsec.h"
static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_in_packets) },
@@ -105,7 +104,7 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_hw)
{
- return (priv->ipsec && mlx5_fpga_ipsec_device_caps(priv->mdev)) ? NUM_IPSEC_HW_COUNTERS : 0;
+ return 0;
}
static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw)
@@ -121,25 +120,11 @@ static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw)
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_hw)
{
- unsigned int i;
-
- if (priv->ipsec && mlx5_fpga_ipsec_device_caps(priv->mdev))
- for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
- strcpy(data + (idx++) * ETH_GSTRING_LEN,
- mlx5e_ipsec_hw_stats_desc[i].format);
-
return idx;
}
static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_hw)
{
- int i;
-
- if (priv->ipsec && mlx5_fpga_ipsec_device_caps(priv->mdev))
- for (i = 0; i < NUM_IPSEC_HW_COUNTERS; i++)
- data[idx++] = MLX5E_READ_CTR64_CPU(&priv->ipsec->stats,
- mlx5e_ipsec_hw_stats_desc,
- i);
return idx;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 89a85030b0eb..0a303879d0f4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -67,7 +67,6 @@
#include "en/ptp.h"
#include "qos.h"
#include "en/trap.h"
-#include "fpga/ipsec.h"
bool mlx5e_check_fragmented_striding_rq_cap(struct mlx5_core_dev *mdev)
{
@@ -4467,12 +4466,6 @@ static int mlx5e_xdp_allowed(struct mlx5e_priv *priv, struct bpf_prog *prog)
return -EINVAL;
}
- if (mlx5_fpga_is_ipsec_device(priv->mdev)) {
- netdev_warn(netdev,
- "XDP is not available on Innova cards with IPsec support\n");
- return -EINVAL;
- }
-
new_params = priv->channels.params;
new_params.xdp_prog = prog;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index 84cebf4c5ada..a180c80e9f68 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -49,7 +49,6 @@
#include "en/rep/tc.h"
#include "ipoib/ipoib.h"
#include "accel/ipsec.h"
-#include "fpga/ipsec.h"
#include "en_accel/ipsec_rxtx.h"
#include "en_accel/ktls_txrx.h"
#include "en/xdp.h"
@@ -2384,46 +2383,6 @@ const struct mlx5e_rx_handlers mlx5i_rx_handlers = {
};
#endif /* CONFIG_MLX5_CORE_IPOIB */
-#ifdef CONFIG_MLX5_EN_IPSEC
-
-static void mlx5e_ipsec_handle_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe)
-{
- struct mlx5_wq_cyc *wq = &rq->wqe.wq;
- struct mlx5e_wqe_frag_info *wi;
- struct sk_buff *skb;
- u32 cqe_bcnt;
- u16 ci;
-
- ci = mlx5_wq_cyc_ctr2ix(wq, be16_to_cpu(cqe->wqe_counter));
- wi = get_frag(rq, ci);
- cqe_bcnt = be32_to_cpu(cqe->byte_cnt);
-
- if (unlikely(MLX5E_RX_ERR_CQE(cqe))) {
- rq->stats->wqe_err++;
- goto wq_free_wqe;
- }
-
- skb = INDIRECT_CALL_2(rq->wqe.skb_from_cqe,
- mlx5e_skb_from_cqe_linear,
- mlx5e_skb_from_cqe_nonlinear,
- rq, cqe, wi, cqe_bcnt);
- if (unlikely(!skb)) /* a DROP, save the page-reuse checks */
- goto wq_free_wqe;
-
- skb = mlx5e_ipsec_handle_rx_skb(rq->netdev, skb, &cqe_bcnt);
- if (unlikely(!skb))
- goto wq_free_wqe;
-
- mlx5e_complete_rx_cqe(rq, cqe, cqe_bcnt, skb);
- napi_gro_receive(rq->cq.napi, skb);
-
-wq_free_wqe:
- mlx5e_free_rx_wqe(rq, wi, true);
- mlx5_wq_cyc_pop(wq);
-}
-
-#endif /* CONFIG_MLX5_EN_IPSEC */
-
int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool xsk)
{
struct net_device *netdev = rq->netdev;
@@ -2440,10 +2399,6 @@ int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool
rq->post_wqes = mlx5e_post_rx_mpwqes;
rq->dealloc_wqe = mlx5e_dealloc_rx_mpwqe;
- if (mlx5_fpga_is_ipsec_device(mdev)) {
- netdev_err(netdev, "MPWQE RQ with Innova IPSec offload not supported\n");
- return -EINVAL;
- }
if (params->packet_merge.type == MLX5E_PACKET_MERGE_SHAMPO) {
rq->handle_rx_cqe = priv->profile->rx_handlers->handle_rx_cqe_mpwqe_shampo;
if (!rq->handle_rx_cqe) {
@@ -2467,14 +2422,7 @@ int mlx5e_rq_set_handlers(struct mlx5e_rq *rq, struct mlx5e_params *params, bool
mlx5e_skb_from_cqe_nonlinear;
rq->post_wqes = mlx5e_post_rx_wqes;
rq->dealloc_wqe = mlx5e_dealloc_rx_wqe;
-
-#ifdef CONFIG_MLX5_EN_IPSEC
- if ((mlx5_fpga_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_DEVICE) &&
- priv->ipsec)
- rq->handle_rx_cqe = mlx5e_ipsec_handle_rx_cqe;
- else
-#endif
- rq->handle_rx_cqe = priv->profile->rx_handlers->handle_rx_cqe;
+ rq->handle_rx_cqe = priv->profile->rx_handlers->handle_rx_cqe;
if (!rq->handle_rx_cqe) {
netdev_err(netdev, "RX handler of RQ is not set\n");
return -EINVAL;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.h b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.h
index e9e72d260681..750c32050165 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/core.h
@@ -57,8 +57,6 @@ struct mlx5_fpga_device {
u32 mkey;
struct mlx5_uars_page *uar;
} conn_res;
-
- struct mlx5_fpga_ipsec *ipsec;
};
#define mlx5_fpga_dbg(__adev, format, ...) \
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
deleted file mode 100644
index 8ec148010d62..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.c
+++ /dev/null
@@ -1,1582 +0,0 @@
-/*
- * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#include <linux/rhashtable.h>
-#include <linux/mlx5/driver.h>
-#include <linux/mlx5/fs_helpers.h>
-#include <linux/mlx5/fs.h>
-#include <linux/rbtree.h>
-
-#include "mlx5_core.h"
-#include "fs_cmd.h"
-#include "fpga/ipsec.h"
-#include "fpga/sdk.h"
-#include "fpga/core.h"
-
-enum mlx5_fpga_ipsec_cmd_status {
- MLX5_FPGA_IPSEC_CMD_PENDING,
- MLX5_FPGA_IPSEC_CMD_SEND_FAIL,
- MLX5_FPGA_IPSEC_CMD_COMPLETE,
-};
-
-struct mlx5_fpga_ipsec_cmd_context {
- struct mlx5_fpga_dma_buf buf;
- enum mlx5_fpga_ipsec_cmd_status status;
- struct mlx5_ifc_fpga_ipsec_cmd_resp resp;
- int status_code;
- struct completion complete;
- struct mlx5_fpga_device *dev;
- struct list_head list; /* Item in pending_cmds */
- u8 command[];
-};
-
-struct mlx5_fpga_esp_xfrm;
-
-struct mlx5_fpga_ipsec_sa_ctx {
- struct rhash_head hash;
- struct mlx5_ifc_fpga_ipsec_sa hw_sa;
- u32 sa_handle;
- struct mlx5_core_dev *dev;
- struct mlx5_fpga_esp_xfrm *fpga_xfrm;
-};
-
-struct mlx5_fpga_esp_xfrm {
- unsigned int num_rules;
- struct mlx5_fpga_ipsec_sa_ctx *sa_ctx;
- struct mutex lock; /* xfrm lock */
- struct mlx5_accel_esp_xfrm accel_xfrm;
-};
-
-struct mlx5_fpga_ipsec_rule {
- struct rb_node node;
- struct fs_fte *fte;
- struct mlx5_fpga_ipsec_sa_ctx *ctx;
-};
-
-static const struct rhashtable_params rhash_sa = {
- /* Keep out "cmd" field from the key as it's
- * value is not constant during the lifetime
- * of the key object.
- */
- .key_len = sizeof_field(struct mlx5_fpga_ipsec_sa_ctx, hw_sa) -
- sizeof_field(struct mlx5_ifc_fpga_ipsec_sa_v1, cmd),
- .key_offset = offsetof(struct mlx5_fpga_ipsec_sa_ctx, hw_sa) +
- sizeof_field(struct mlx5_ifc_fpga_ipsec_sa_v1, cmd),
- .head_offset = offsetof(struct mlx5_fpga_ipsec_sa_ctx, hash),
- .automatic_shrinking = true,
- .min_size = 1,
-};
-
-struct mlx5_fpga_ipsec {
- struct mlx5_fpga_device *fdev;
- struct list_head pending_cmds;
- spinlock_t pending_cmds_lock; /* Protects pending_cmds */
- u32 caps[MLX5_ST_SZ_DW(ipsec_extended_cap)];
- struct mlx5_fpga_conn *conn;
-
- struct notifier_block fs_notifier_ingress_bypass;
- struct notifier_block fs_notifier_egress;
-
- /* Map hardware SA --> SA context
- * (mlx5_fpga_ipsec_sa) (mlx5_fpga_ipsec_sa_ctx)
- * We will use this hash to avoid SAs duplication in fpga which
- * aren't allowed
- */
- struct rhashtable sa_hash; /* hw_sa -> mlx5_fpga_ipsec_sa_ctx */
- struct mutex sa_hash_lock;
-
- /* Tree holding all rules for this fpga device
- * Key for searching a rule (mlx5_fpga_ipsec_rule) is (ft, id)
- */
- struct rb_root rules_rb;
- struct mutex rules_rb_lock; /* rules lock */
-
- struct ida halloc;
-};
-
-bool mlx5_fpga_is_ipsec_device(struct mlx5_core_dev *mdev)
-{
- if (!mdev->fpga || !MLX5_CAP_GEN(mdev, fpga))
- return false;
-
- if (MLX5_CAP_FPGA(mdev, ieee_vendor_id) !=
- MLX5_FPGA_CAP_SANDBOX_VENDOR_ID_MLNX)
- return false;
-
- if (MLX5_CAP_FPGA(mdev, sandbox_product_id) !=
- MLX5_FPGA_CAP_SANDBOX_PRODUCT_ID_IPSEC)
- return false;
-
- return true;
-}
-
-static void mlx5_fpga_ipsec_send_complete(struct mlx5_fpga_conn *conn,
- struct mlx5_fpga_device *fdev,
- struct mlx5_fpga_dma_buf *buf,
- u8 status)
-{
- struct mlx5_fpga_ipsec_cmd_context *context;
-
- if (status) {
- context = container_of(buf, struct mlx5_fpga_ipsec_cmd_context,
- buf);
- mlx5_fpga_warn(fdev, "IPSec command send failed with status %u\n",
- status);
- context->status = MLX5_FPGA_IPSEC_CMD_SEND_FAIL;
- complete(&context->complete);
- }
-}
-
-static inline
-int syndrome_to_errno(enum mlx5_ifc_fpga_ipsec_response_syndrome syndrome)
-{
- switch (syndrome) {
- case MLX5_FPGA_IPSEC_RESPONSE_SUCCESS:
- return 0;
- case MLX5_FPGA_IPSEC_RESPONSE_SADB_ISSUE:
- return -EEXIST;
- case MLX5_FPGA_IPSEC_RESPONSE_ILLEGAL_REQUEST:
- return -EINVAL;
- case MLX5_FPGA_IPSEC_RESPONSE_WRITE_RESPONSE_ISSUE:
- return -EIO;
- }
- return -EIO;
-}
-
-static void mlx5_fpga_ipsec_recv(void *cb_arg, struct mlx5_fpga_dma_buf *buf)
-{
- struct mlx5_ifc_fpga_ipsec_cmd_resp *resp = buf->sg[0].data;
- struct mlx5_fpga_ipsec_cmd_context *context;
- enum mlx5_ifc_fpga_ipsec_response_syndrome syndrome;
- struct mlx5_fpga_device *fdev = cb_arg;
- unsigned long flags;
-
- if (buf->sg[0].size < sizeof(*resp)) {
- mlx5_fpga_warn(fdev, "Short receive from FPGA IPSec: %u < %zu bytes\n",
- buf->sg[0].size, sizeof(*resp));
- return;
- }
-
- mlx5_fpga_dbg(fdev, "mlx5_ipsec recv_cb syndrome %08x\n",
- ntohl(resp->syndrome));
-
- spin_lock_irqsave(&fdev->ipsec->pending_cmds_lock, flags);
- context = list_first_entry_or_null(&fdev->ipsec->pending_cmds,
- struct mlx5_fpga_ipsec_cmd_context,
- list);
- if (context)
- list_del(&context->list);
- spin_unlock_irqrestore(&fdev->ipsec->pending_cmds_lock, flags);
-
- if (!context) {
- mlx5_fpga_warn(fdev, "Received IPSec offload response without pending command request\n");
- return;
- }
- mlx5_fpga_dbg(fdev, "Handling response for %p\n", context);
-
- syndrome = ntohl(resp->syndrome);
- context->status_code = syndrome_to_errno(syndrome);
- context->status = MLX5_FPGA_IPSEC_CMD_COMPLETE;
- memcpy(&context->resp, resp, sizeof(*resp));
-
- if (context->status_code)
- mlx5_fpga_warn(fdev, "IPSec command failed with syndrome %08x\n",
- syndrome);
-
- complete(&context->complete);
-}
-
-static void *mlx5_fpga_ipsec_cmd_exec(struct mlx5_core_dev *mdev,
- const void *cmd, int cmd_size)
-{
- struct mlx5_fpga_ipsec_cmd_context *context;
- struct mlx5_fpga_device *fdev = mdev->fpga;
- unsigned long flags;
- int res;
-
- if (!fdev || !fdev->ipsec)
- return ERR_PTR(-EOPNOTSUPP);
-
- if (cmd_size & 3)
- return ERR_PTR(-EINVAL);
-
- context = kzalloc(sizeof(*context) + cmd_size, GFP_ATOMIC);
- if (!context)
- return ERR_PTR(-ENOMEM);
-
- context->status = MLX5_FPGA_IPSEC_CMD_PENDING;
- context->dev = fdev;
- context->buf.complete = mlx5_fpga_ipsec_send_complete;
- init_completion(&context->complete);
- memcpy(&context->command, cmd, cmd_size);
- context->buf.sg[0].size = cmd_size;
- context->buf.sg[0].data = &context->command;
-
- spin_lock_irqsave(&fdev->ipsec->pending_cmds_lock, flags);
- res = mlx5_fpga_sbu_conn_sendmsg(fdev->ipsec->conn, &context->buf);
- if (!res)
- list_add_tail(&context->list, &fdev->ipsec->pending_cmds);
- spin_unlock_irqrestore(&fdev->ipsec->pending_cmds_lock, flags);
-
- if (res) {
- mlx5_fpga_warn(fdev, "Failed to send IPSec command: %d\n", res);
- kfree(context);
- return ERR_PTR(res);
- }
-
- /* Context should be freed by the caller after completion. */
- return context;
-}
-
-static int mlx5_fpga_ipsec_cmd_wait(void *ctx)
-{
- struct mlx5_fpga_ipsec_cmd_context *context = ctx;
- unsigned long timeout =
- msecs_to_jiffies(MLX5_FPGA_CMD_TIMEOUT_MSEC);
- int res;
-
- res = wait_for_completion_timeout(&context->complete, timeout);
- if (!res) {
- mlx5_fpga_warn(context->dev, "Failure waiting for IPSec command response\n");
- return -ETIMEDOUT;
- }
-
- if (context->status == MLX5_FPGA_IPSEC_CMD_COMPLETE)
- res = context->status_code;
- else
- res = -EIO;
-
- return res;
-}
-
-static inline bool is_v2_sadb_supported(struct mlx5_fpga_ipsec *fipsec)
-{
- if (MLX5_GET(ipsec_extended_cap, fipsec->caps, v2_command))
- return true;
- return false;
-}
-
-static int mlx5_fpga_ipsec_update_hw_sa(struct mlx5_fpga_device *fdev,
- struct mlx5_ifc_fpga_ipsec_sa *hw_sa,
- int opcode)
-{
- struct mlx5_core_dev *dev = fdev->mdev;
- struct mlx5_ifc_fpga_ipsec_sa *sa;
- struct mlx5_fpga_ipsec_cmd_context *cmd_context;
- size_t sa_cmd_size;
- int err;
-
- hw_sa->ipsec_sa_v1.cmd = htonl(opcode);
- if (is_v2_sadb_supported(fdev->ipsec))
- sa_cmd_size = sizeof(*hw_sa);
- else
- sa_cmd_size = sizeof(hw_sa->ipsec_sa_v1);
-
- cmd_context = (struct mlx5_fpga_ipsec_cmd_context *)
- mlx5_fpga_ipsec_cmd_exec(dev, hw_sa, sa_cmd_size);
- if (IS_ERR(cmd_context))
- return PTR_ERR(cmd_context);
-
- err = mlx5_fpga_ipsec_cmd_wait(cmd_context);
- if (err)
- goto out;
-
- sa = (struct mlx5_ifc_fpga_ipsec_sa *)&cmd_context->command;
- if (sa->ipsec_sa_v1.sw_sa_handle != cmd_context->resp.sw_sa_handle) {
- mlx5_fpga_err(fdev, "mismatch SA handle. cmd 0x%08x vs resp 0x%08x\n",
- ntohl(sa->ipsec_sa_v1.sw_sa_handle),
- ntohl(cmd_context->resp.sw_sa_handle));
- err = -EIO;
- }
-
-out:
- kfree(cmd_context);
- return err;
-}
-
-u32 mlx5_fpga_ipsec_device_caps(struct mlx5_core_dev *mdev)
-{
- struct mlx5_fpga_device *fdev = mdev->fpga;
- u32 ret = 0;
-
- if (mlx5_fpga_is_ipsec_device(mdev)) {
- ret |= MLX5_ACCEL_IPSEC_CAP_DEVICE;
- ret |= MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA;
- } else {
- return ret;
- }
-
- if (!fdev->ipsec)
- return ret;
-
- if (MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps, esp))
- ret |= MLX5_ACCEL_IPSEC_CAP_ESP;
-
- if (MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps, ipv6))
- ret |= MLX5_ACCEL_IPSEC_CAP_IPV6;
-
- if (MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps, lso))
- ret |= MLX5_ACCEL_IPSEC_CAP_LSO;
-
- if (MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps, rx_no_trailer))
- ret |= MLX5_ACCEL_IPSEC_CAP_RX_NO_TRAILER;
-
- if (MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps, esn)) {
- ret |= MLX5_ACCEL_IPSEC_CAP_ESN;
- ret |= MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN;
- }
-
- return ret;
-}
-
-static unsigned int mlx5_fpga_ipsec_counters_count(struct mlx5_core_dev *mdev)
-{
- struct mlx5_fpga_device *fdev = mdev->fpga;
-
- if (!fdev || !fdev->ipsec)
- return 0;
-
- return MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps,
- number_of_ipsec_counters);
-}
-
-static int mlx5_fpga_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
- unsigned int counters_count)
-{
- struct mlx5_fpga_device *fdev = mdev->fpga;
- unsigned int i;
- __be32 *data;
- u32 count;
- u64 addr;
- int ret;
-
- if (!fdev || !fdev->ipsec)
- return 0;
-
- addr = (u64)MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps,
- ipsec_counters_addr_low) +
- ((u64)MLX5_GET(ipsec_extended_cap, fdev->ipsec->caps,
- ipsec_counters_addr_high) << 32);
-
- count = mlx5_fpga_ipsec_counters_count(mdev);
-
- data = kzalloc(array3_size(sizeof(*data), count, 2), GFP_KERNEL);
- if (!data) {
- ret = -ENOMEM;
- goto out;
- }
-
- ret = mlx5_fpga_mem_read(fdev, count * sizeof(u64), addr, data,
- MLX5_FPGA_ACCESS_TYPE_DONTCARE);
- if (ret < 0) {
- mlx5_fpga_err(fdev, "Failed to read IPSec counters from HW: %d\n",
- ret);
- goto out;
- }
- ret = 0;
-
- if (count > counters_count)
- count = counters_count;
-
- /* Each counter is low word, then high. But each word is big-endian */
- for (i = 0; i < count; i++)
- counters[i] = (u64)ntohl(data[i * 2]) |
- ((u64)ntohl(data[i * 2 + 1]) << 32);
-
-out:
- kfree(data);
- return ret;
-}
-
-static int mlx5_fpga_ipsec_set_caps(struct mlx5_core_dev *mdev, u32 flags)
-{
- struct mlx5_fpga_ipsec_cmd_context *context;
- struct mlx5_ifc_fpga_ipsec_cmd_cap cmd = {0};
- int err;
-
- cmd.cmd = htonl(MLX5_FPGA_IPSEC_CMD_OP_SET_CAP);
- cmd.flags = htonl(flags);
- context = mlx5_fpga_ipsec_cmd_exec(mdev, &cmd, sizeof(cmd));
- if (IS_ERR(context))
- return PTR_ERR(context);
-
- err = mlx5_fpga_ipsec_cmd_wait(context);
- if (err)
- goto out;
-
- if ((context->resp.flags & cmd.flags) != cmd.flags) {
- mlx5_fpga_err(context->dev, "Failed to set capabilities. cmd 0x%08x vs resp 0x%08x\n",
- cmd.flags,
- context->resp.flags);
- err = -EIO;
- }
-
-out:
- kfree(context);
- return err;
-}
-
-static int mlx5_fpga_ipsec_enable_supported_caps(struct mlx5_core_dev *mdev)
-{
- u32 dev_caps = mlx5_fpga_ipsec_device_caps(mdev);
- u32 flags = 0;
-
- if (dev_caps & MLX5_ACCEL_IPSEC_CAP_RX_NO_TRAILER)
- flags |= MLX5_FPGA_IPSEC_CAP_NO_TRAILER;
-
- return mlx5_fpga_ipsec_set_caps(mdev, flags);
-}
-
-static void
-mlx5_fpga_ipsec_build_hw_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *xfrm_attrs,
- struct mlx5_ifc_fpga_ipsec_sa *hw_sa)
-{
- const struct aes_gcm_keymat *aes_gcm = &xfrm_attrs->keymat.aes_gcm;
-
- /* key */
- memcpy(&hw_sa->ipsec_sa_v1.key_enc, aes_gcm->aes_key,
- aes_gcm->key_len / 8);
- /* Duplicate 128 bit key twice according to HW layout */
- if (aes_gcm->key_len == 128)
- memcpy(&hw_sa->ipsec_sa_v1.key_enc[16],
- aes_gcm->aes_key, aes_gcm->key_len / 8);
-
- /* salt and seq_iv */
- memcpy(&hw_sa->ipsec_sa_v1.gcm.salt_iv, &aes_gcm->seq_iv,
- sizeof(aes_gcm->seq_iv));
- memcpy(&hw_sa->ipsec_sa_v1.gcm.salt, &aes_gcm->salt,
- sizeof(aes_gcm->salt));
-
- /* esn */
- if (xfrm_attrs->flags & MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED) {
- hw_sa->ipsec_sa_v1.flags |= MLX5_FPGA_IPSEC_SA_ESN_EN;
- hw_sa->ipsec_sa_v1.flags |=
- (xfrm_attrs->flags &
- MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP) ?
- MLX5_FPGA_IPSEC_SA_ESN_OVERLAP : 0;
- hw_sa->esn = htonl(xfrm_attrs->esn);
- } else {
- hw_sa->ipsec_sa_v1.flags &= ~MLX5_FPGA_IPSEC_SA_ESN_EN;
- hw_sa->ipsec_sa_v1.flags &=
- ~(xfrm_attrs->flags &
- MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP) ?
- MLX5_FPGA_IPSEC_SA_ESN_OVERLAP : 0;
- hw_sa->esn = 0;
- }
-
- /* rx handle */
- hw_sa->ipsec_sa_v1.sw_sa_handle = htonl(xfrm_attrs->sa_handle);
-
- /* enc mode */
- switch (aes_gcm->key_len) {
- case 128:
- hw_sa->ipsec_sa_v1.enc_mode =
- MLX5_FPGA_IPSEC_SA_ENC_MODE_AES_GCM_128_AUTH_128;
- break;
- case 256:
- hw_sa->ipsec_sa_v1.enc_mode =
- MLX5_FPGA_IPSEC_SA_ENC_MODE_AES_GCM_256_AUTH_128;
- break;
- }
-
- /* flags */
- hw_sa->ipsec_sa_v1.flags |= MLX5_FPGA_IPSEC_SA_SA_VALID |
- MLX5_FPGA_IPSEC_SA_SPI_EN |
- MLX5_FPGA_IPSEC_SA_IP_ESP;
-
- if (xfrm_attrs->action & MLX5_ACCEL_ESP_ACTION_ENCRYPT)
- hw_sa->ipsec_sa_v1.flags |= MLX5_FPGA_IPSEC_SA_DIR_SX;
- else
- hw_sa->ipsec_sa_v1.flags &= ~MLX5_FPGA_IPSEC_SA_DIR_SX;
-}
-
-static void
-mlx5_fpga_ipsec_build_hw_sa(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm_attrs *xfrm_attrs,
- const __be32 saddr[4],
- const __be32 daddr[4],
- const __be32 spi, bool is_ipv6,
- struct mlx5_ifc_fpga_ipsec_sa *hw_sa)
-{
- mlx5_fpga_ipsec_build_hw_xfrm(mdev, xfrm_attrs, hw_sa);
-
- /* IPs */
- memcpy(hw_sa->ipsec_sa_v1.sip, saddr, sizeof(hw_sa->ipsec_sa_v1.sip));
- memcpy(hw_sa->ipsec_sa_v1.dip, daddr, sizeof(hw_sa->ipsec_sa_v1.dip));
-
- /* SPI */
- hw_sa->ipsec_sa_v1.spi = spi;
-
- /* flags */
- if (is_ipv6)
- hw_sa->ipsec_sa_v1.flags |= MLX5_FPGA_IPSEC_SA_IPV6;
-}
-
-static bool is_full_mask(const void *p, size_t len)
-{
- WARN_ON(len % 4);
-
- return !memchr_inv(p, 0xff, len);
-}
-
-static bool validate_fpga_full_mask(struct mlx5_core_dev *dev,
- const u32 *match_c,
- const u32 *match_v)
-{
- const void *misc_params_c = MLX5_ADDR_OF(fte_match_param,
- match_c,
- misc_parameters);
- const void *headers_c = MLX5_ADDR_OF(fte_match_param,
- match_c,
- outer_headers);
- const void *headers_v = MLX5_ADDR_OF(fte_match_param,
- match_v,
- outer_headers);
-
- if (mlx5_fs_is_outer_ipv4_flow(dev, headers_c, headers_v)) {
- const void *s_ipv4_c = MLX5_ADDR_OF(fte_match_set_lyr_2_4,
- headers_c,
- src_ipv4_src_ipv6.ipv4_layout.ipv4);
- const void *d_ipv4_c = MLX5_ADDR_OF(fte_match_set_lyr_2_4,
- headers_c,
- dst_ipv4_dst_ipv6.ipv4_layout.ipv4);
-
- if (!is_full_mask(s_ipv4_c, MLX5_FLD_SZ_BYTES(ipv4_layout,
- ipv4)) ||
- !is_full_mask(d_ipv4_c, MLX5_FLD_SZ_BYTES(ipv4_layout,
- ipv4)))
- return false;
- } else {
- const void *s_ipv6_c = MLX5_ADDR_OF(fte_match_set_lyr_2_4,
- headers_c,
- src_ipv4_src_ipv6.ipv6_layout.ipv6);
- const void *d_ipv6_c = MLX5_ADDR_OF(fte_match_set_lyr_2_4,
- headers_c,
- dst_ipv4_dst_ipv6.ipv6_layout.ipv6);
-
- if (!is_full_mask(s_ipv6_c, MLX5_FLD_SZ_BYTES(ipv6_layout,
- ipv6)) ||
- !is_full_mask(d_ipv6_c, MLX5_FLD_SZ_BYTES(ipv6_layout,
- ipv6)))
- return false;
- }
-
- if (!is_full_mask(MLX5_ADDR_OF(fte_match_set_misc, misc_params_c,
- outer_esp_spi),
- MLX5_FLD_SZ_BYTES(fte_match_set_misc, outer_esp_spi)))
- return false;
-
- return true;
-}
-
-static bool mlx5_is_fpga_ipsec_rule(struct mlx5_core_dev *dev,
- u8 match_criteria_enable,
- const u32 *match_c,
- const u32 *match_v)
-{
- u32 ipsec_dev_caps = mlx5_fpga_ipsec_device_caps(dev);
- bool ipv6_flow;
-
- ipv6_flow = mlx5_fs_is_outer_ipv6_flow(dev, match_c, match_v);
-
- if (!(match_criteria_enable & MLX5_MATCH_OUTER_HEADERS) ||
- mlx5_fs_is_outer_udp_flow(match_c, match_v) ||
- mlx5_fs_is_outer_tcp_flow(match_c, match_v) ||
- mlx5_fs_is_vxlan_flow(match_c) ||
- !(mlx5_fs_is_outer_ipv4_flow(dev, match_c, match_v) ||
- ipv6_flow))
- return false;
-
- if (!(ipsec_dev_caps & MLX5_ACCEL_IPSEC_CAP_DEVICE))
- return false;
-
- if (!(ipsec_dev_caps & MLX5_ACCEL_IPSEC_CAP_ESP) &&
- mlx5_fs_is_outer_ipsec_flow(match_c))
- return false;
-
- if (!(ipsec_dev_caps & MLX5_ACCEL_IPSEC_CAP_IPV6) &&
- ipv6_flow)
- return false;
-
- if (!validate_fpga_full_mask(dev, match_c, match_v))
- return false;
-
- return true;
-}
-
-static bool mlx5_is_fpga_egress_ipsec_rule(struct mlx5_core_dev *dev,
- u8 match_criteria_enable,
- const u32 *match_c,
- const u32 *match_v,
- struct mlx5_flow_act *flow_act,
- struct mlx5_flow_context *flow_context)
-{
- const void *outer_c = MLX5_ADDR_OF(fte_match_param, match_c,
- outer_headers);
- bool is_dmac = MLX5_GET(fte_match_set_lyr_2_4, outer_c, dmac_47_16) ||
- MLX5_GET(fte_match_set_lyr_2_4, outer_c, dmac_15_0);
- bool is_smac = MLX5_GET(fte_match_set_lyr_2_4, outer_c, smac_47_16) ||
- MLX5_GET(fte_match_set_lyr_2_4, outer_c, smac_15_0);
- int ret;
-
- ret = mlx5_is_fpga_ipsec_rule(dev, match_criteria_enable, match_c,
- match_v);
- if (!ret)
- return ret;
-
- if (is_dmac || is_smac ||
- (match_criteria_enable &
- ~(MLX5_MATCH_OUTER_HEADERS | MLX5_MATCH_MISC_PARAMETERS)) ||
- (flow_act->action & ~(MLX5_FLOW_CONTEXT_ACTION_ENCRYPT | MLX5_FLOW_CONTEXT_ACTION_ALLOW)) ||
- (flow_context->flags & FLOW_CONTEXT_HAS_TAG))
- return false;
-
- return true;
-}
-
-static void *mlx5_fpga_ipsec_create_sa_ctx(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *accel_xfrm,
- const __be32 saddr[4], const __be32 daddr[4],
- const __be32 spi, bool is_ipv6, u32 *sa_handle)
-{
- struct mlx5_fpga_ipsec_sa_ctx *sa_ctx;
- struct mlx5_fpga_esp_xfrm *fpga_xfrm =
- container_of(accel_xfrm, typeof(*fpga_xfrm),
- accel_xfrm);
- struct mlx5_fpga_device *fdev = mdev->fpga;
- struct mlx5_fpga_ipsec *fipsec = fdev->ipsec;
- int opcode, err;
- void *context;
-
- /* alloc SA */
- sa_ctx = kzalloc(sizeof(*sa_ctx), GFP_KERNEL);
- if (!sa_ctx)
- return ERR_PTR(-ENOMEM);
-
- sa_ctx->dev = mdev;
-
- /* build candidate SA */
- mlx5_fpga_ipsec_build_hw_sa(mdev, &accel_xfrm->attrs,
- saddr, daddr, spi, is_ipv6,
- &sa_ctx->hw_sa);
-
- mutex_lock(&fpga_xfrm->lock);
-
- if (fpga_xfrm->sa_ctx) { /* multiple rules for same accel_xfrm */
- /* all rules must be with same IPs and SPI */
- if (memcmp(&sa_ctx->hw_sa, &fpga_xfrm->sa_ctx->hw_sa,
- sizeof(sa_ctx->hw_sa))) {
- context = ERR_PTR(-EINVAL);
- goto exists;
- }
-
- ++fpga_xfrm->num_rules;
- context = fpga_xfrm->sa_ctx;
- goto exists;
- }
-
- if (accel_xfrm->attrs.action == MLX5_ACCEL_ESP_ACTION_DECRYPT) {
- err = ida_alloc_min(&fipsec->halloc, 1, GFP_KERNEL);
- if (err < 0) {
- context = ERR_PTR(err);
- goto exists;
- }
-
- sa_ctx->sa_handle = err;
- if (sa_handle)
- *sa_handle = sa_ctx->sa_handle;
- }
- /* This is unbounded fpga_xfrm, try to add to hash */
- mutex_lock(&fipsec->sa_hash_lock);
-
- err = rhashtable_lookup_insert_fast(&fipsec->sa_hash, &sa_ctx->hash,
- rhash_sa);
- if (err) {
- /* Can't bound different accel_xfrm to already existing sa_ctx.
- * This is because we can't support multiple ketmats for
- * same IPs and SPI
- */
- context = ERR_PTR(-EEXIST);
- goto unlock_hash;
- }
-
- /* Bound accel_xfrm to sa_ctx */
- opcode = is_v2_sadb_supported(fdev->ipsec) ?
- MLX5_FPGA_IPSEC_CMD_OP_ADD_SA_V2 :
- MLX5_FPGA_IPSEC_CMD_OP_ADD_SA;
- err = mlx5_fpga_ipsec_update_hw_sa(fdev, &sa_ctx->hw_sa, opcode);
- sa_ctx->hw_sa.ipsec_sa_v1.cmd = 0;
- if (err) {
- context = ERR_PTR(err);
- goto delete_hash;
- }
-
- mutex_unlock(&fipsec->sa_hash_lock);
-
- ++fpga_xfrm->num_rules;
- fpga_xfrm->sa_ctx = sa_ctx;
- sa_ctx->fpga_xfrm = fpga_xfrm;
-
- mutex_unlock(&fpga_xfrm->lock);
-
- return sa_ctx;
-
-delete_hash:
- WARN_ON(rhashtable_remove_fast(&fipsec->sa_hash, &sa_ctx->hash,
- rhash_sa));
-unlock_hash:
- mutex_unlock(&fipsec->sa_hash_lock);
- if (accel_xfrm->attrs.action == MLX5_ACCEL_ESP_ACTION_DECRYPT)
- ida_free(&fipsec->halloc, sa_ctx->sa_handle);
-exists:
- mutex_unlock(&fpga_xfrm->lock);
- kfree(sa_ctx);
- return context;
-}
-
-static void *
-mlx5_fpga_ipsec_fs_create_sa_ctx(struct mlx5_core_dev *mdev,
- struct fs_fte *fte,
- bool is_egress)
-{
- struct mlx5_accel_esp_xfrm *accel_xfrm;
- __be32 saddr[4], daddr[4], spi;
- struct mlx5_flow_group *fg;
- bool is_ipv6 = false;
-
- fs_get_obj(fg, fte->node.parent);
- /* validate */
- if (is_egress &&
- !mlx5_is_fpga_egress_ipsec_rule(mdev,
- fg->mask.match_criteria_enable,
- fg->mask.match_criteria,
- fte->val,
- &fte->action,
- &fte->flow_context))
- return ERR_PTR(-EINVAL);
- else if (!mlx5_is_fpga_ipsec_rule(mdev,
- fg->mask.match_criteria_enable,
- fg->mask.match_criteria,
- fte->val))
- return ERR_PTR(-EINVAL);
-
- /* get xfrm context */
- accel_xfrm =
- (struct mlx5_accel_esp_xfrm *)fte->action.esp_id;
-
- /* IPs */
- if (mlx5_fs_is_outer_ipv4_flow(mdev, fg->mask.match_criteria,
- fte->val)) {
- memcpy(&saddr[3],
- MLX5_ADDR_OF(fte_match_set_lyr_2_4,
- fte->val,
- src_ipv4_src_ipv6.ipv4_layout.ipv4),
- sizeof(saddr[3]));
- memcpy(&daddr[3],
- MLX5_ADDR_OF(fte_match_set_lyr_2_4,
- fte->val,
- dst_ipv4_dst_ipv6.ipv4_layout.ipv4),
- sizeof(daddr[3]));
- } else {
- memcpy(saddr,
- MLX5_ADDR_OF(fte_match_param,
- fte->val,
- outer_headers.src_ipv4_src_ipv6.ipv6_layout.ipv6),
- sizeof(saddr));
- memcpy(daddr,
- MLX5_ADDR_OF(fte_match_param,
- fte->val,
- outer_headers.dst_ipv4_dst_ipv6.ipv6_layout.ipv6),
- sizeof(daddr));
- is_ipv6 = true;
- }
-
- /* SPI */
- spi = MLX5_GET_BE(typeof(spi),
- fte_match_param, fte->val,
- misc_parameters.outer_esp_spi);
-
- /* create */
- return mlx5_fpga_ipsec_create_sa_ctx(mdev, accel_xfrm,
- saddr, daddr,
- spi, is_ipv6, NULL);
-}
-
-static void
-mlx5_fpga_ipsec_release_sa_ctx(struct mlx5_fpga_ipsec_sa_ctx *sa_ctx)
-{
- struct mlx5_fpga_device *fdev = sa_ctx->dev->fpga;
- struct mlx5_fpga_ipsec *fipsec = fdev->ipsec;
- int opcode = is_v2_sadb_supported(fdev->ipsec) ?
- MLX5_FPGA_IPSEC_CMD_OP_DEL_SA_V2 :
- MLX5_FPGA_IPSEC_CMD_OP_DEL_SA;
- int err;
-
- err = mlx5_fpga_ipsec_update_hw_sa(fdev, &sa_ctx->hw_sa, opcode);
- sa_ctx->hw_sa.ipsec_sa_v1.cmd = 0;
- if (err) {
- WARN_ON(err);
- return;
- }
-
- if (sa_ctx->fpga_xfrm->accel_xfrm.attrs.action ==
- MLX5_ACCEL_ESP_ACTION_DECRYPT)
- ida_free(&fipsec->halloc, sa_ctx->sa_handle);
-
- mutex_lock(&fipsec->sa_hash_lock);
- WARN_ON(rhashtable_remove_fast(&fipsec->sa_hash, &sa_ctx->hash,
- rhash_sa));
- mutex_unlock(&fipsec->sa_hash_lock);
-}
-
-static void mlx5_fpga_ipsec_delete_sa_ctx(void *context)
-{
- struct mlx5_fpga_esp_xfrm *fpga_xfrm =
- ((struct mlx5_fpga_ipsec_sa_ctx *)context)->fpga_xfrm;
-
- mutex_lock(&fpga_xfrm->lock);
- if (!--fpga_xfrm->num_rules) {
- mlx5_fpga_ipsec_release_sa_ctx(fpga_xfrm->sa_ctx);
- kfree(fpga_xfrm->sa_ctx);
- fpga_xfrm->sa_ctx = NULL;
- }
- mutex_unlock(&fpga_xfrm->lock);
-}
-
-static inline struct mlx5_fpga_ipsec_rule *
-_rule_search(struct rb_root *root, struct fs_fte *fte)
-{
- struct rb_node *node = root->rb_node;
-
- while (node) {
- struct mlx5_fpga_ipsec_rule *rule =
- container_of(node, struct mlx5_fpga_ipsec_rule,
- node);
-
- if (rule->fte < fte)
- node = node->rb_left;
- else if (rule->fte > fte)
- node = node->rb_right;
- else
- return rule;
- }
- return NULL;
-}
-
-static struct mlx5_fpga_ipsec_rule *
-rule_search(struct mlx5_fpga_ipsec *ipsec_dev, struct fs_fte *fte)
-{
- struct mlx5_fpga_ipsec_rule *rule;
-
- mutex_lock(&ipsec_dev->rules_rb_lock);
- rule = _rule_search(&ipsec_dev->rules_rb, fte);
- mutex_unlock(&ipsec_dev->rules_rb_lock);
-
- return rule;
-}
-
-static inline int _rule_insert(struct rb_root *root,
- struct mlx5_fpga_ipsec_rule *rule)
-{
- struct rb_node **new = &root->rb_node, *parent = NULL;
-
- /* Figure out where to put new node */
- while (*new) {
- struct mlx5_fpga_ipsec_rule *this =
- container_of(*new, struct mlx5_fpga_ipsec_rule,
- node);
-
- parent = *new;
- if (rule->fte < this->fte)
- new = &((*new)->rb_left);
- else if (rule->fte > this->fte)
- new = &((*new)->rb_right);
- else
- return -EEXIST;
- }
-
- /* Add new node and rebalance tree. */
- rb_link_node(&rule->node, parent, new);
- rb_insert_color(&rule->node, root);
-
- return 0;
-}
-
-static int rule_insert(struct mlx5_fpga_ipsec *ipsec_dev,
- struct mlx5_fpga_ipsec_rule *rule)
-{
- int ret;
-
- mutex_lock(&ipsec_dev->rules_rb_lock);
- ret = _rule_insert(&ipsec_dev->rules_rb, rule);
- mutex_unlock(&ipsec_dev->rules_rb_lock);
-
- return ret;
-}
-
-static inline void _rule_delete(struct mlx5_fpga_ipsec *ipsec_dev,
- struct mlx5_fpga_ipsec_rule *rule)
-{
- struct rb_root *root = &ipsec_dev->rules_rb;
-
- mutex_lock(&ipsec_dev->rules_rb_lock);
- rb_erase(&rule->node, root);
- mutex_unlock(&ipsec_dev->rules_rb_lock);
-}
-
-static void rule_delete(struct mlx5_fpga_ipsec *ipsec_dev,
- struct mlx5_fpga_ipsec_rule *rule)
-{
- _rule_delete(ipsec_dev, rule);
- kfree(rule);
-}
-
-struct mailbox_mod {
- uintptr_t saved_esp_id;
- u32 saved_action;
- u32 saved_outer_esp_spi_value;
-};
-
-static void restore_spec_mailbox(struct fs_fte *fte,
- struct mailbox_mod *mbox_mod)
-{
- char *misc_params_v = MLX5_ADDR_OF(fte_match_param,
- fte->val,
- misc_parameters);
-
- MLX5_SET(fte_match_set_misc, misc_params_v, outer_esp_spi,
- mbox_mod->saved_outer_esp_spi_value);
- fte->action.action |= mbox_mod->saved_action;
- fte->action.esp_id = (uintptr_t)mbox_mod->saved_esp_id;
-}
-
-static void modify_spec_mailbox(struct mlx5_core_dev *mdev,
- struct fs_fte *fte,
- struct mailbox_mod *mbox_mod)
-{
- char *misc_params_v = MLX5_ADDR_OF(fte_match_param,
- fte->val,
- misc_parameters);
-
- mbox_mod->saved_esp_id = fte->action.esp_id;
- mbox_mod->saved_action = fte->action.action &
- (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT);
- mbox_mod->saved_outer_esp_spi_value =
- MLX5_GET(fte_match_set_misc, misc_params_v,
- outer_esp_spi);
-
- fte->action.esp_id = 0;
- fte->action.action &= ~(MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT);
- if (!MLX5_CAP_FLOWTABLE(mdev,
- flow_table_properties_nic_receive.ft_field_support.outer_esp_spi))
- MLX5_SET(fte_match_set_misc, misc_params_v, outer_esp_spi, 0);
-}
-
-static enum fs_flow_table_type egress_to_fs_ft(bool egress)
-{
- return egress ? FS_FT_NIC_TX : FS_FT_NIC_RX;
-}
-
-static int fpga_ipsec_fs_create_flow_group(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- u32 *in,
- struct mlx5_flow_group *fg,
- bool is_egress)
-{
- int (*create_flow_group)(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft, u32 *in,
- struct mlx5_flow_group *fg) =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(is_egress))->create_flow_group;
- char *misc_params_c = MLX5_ADDR_OF(create_flow_group_in, in,
- match_criteria.misc_parameters);
- struct mlx5_core_dev *dev = ns->dev;
- u32 saved_outer_esp_spi_mask;
- u8 match_criteria_enable;
- int ret;
-
- if (MLX5_CAP_FLOWTABLE(dev,
- flow_table_properties_nic_receive.ft_field_support.outer_esp_spi))
- return create_flow_group(ns, ft, in, fg);
-
- match_criteria_enable =
- MLX5_GET(create_flow_group_in, in, match_criteria_enable);
- saved_outer_esp_spi_mask =
- MLX5_GET(fte_match_set_misc, misc_params_c, outer_esp_spi);
- if (!match_criteria_enable || !saved_outer_esp_spi_mask)
- return create_flow_group(ns, ft, in, fg);
-
- MLX5_SET(fte_match_set_misc, misc_params_c, outer_esp_spi, 0);
-
- if (!(*misc_params_c) &&
- !memcmp(misc_params_c, misc_params_c + 1, MLX5_ST_SZ_BYTES(fte_match_set_misc) - 1))
- MLX5_SET(create_flow_group_in, in, match_criteria_enable,
- match_criteria_enable & ~MLX5_MATCH_MISC_PARAMETERS);
-
- ret = create_flow_group(ns, ft, in, fg);
-
- MLX5_SET(fte_match_set_misc, misc_params_c, outer_esp_spi, saved_outer_esp_spi_mask);
- MLX5_SET(create_flow_group_in, in, match_criteria_enable, match_criteria_enable);
-
- return ret;
-}
-
-static int fpga_ipsec_fs_create_fte(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- struct fs_fte *fte,
- bool is_egress)
-{
- int (*create_fte)(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- struct fs_fte *fte) =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(is_egress))->create_fte;
- struct mlx5_core_dev *dev = ns->dev;
- struct mlx5_fpga_device *fdev = dev->fpga;
- struct mlx5_fpga_ipsec *fipsec = fdev->ipsec;
- struct mlx5_fpga_ipsec_rule *rule;
- bool is_esp = fte->action.esp_id;
- struct mailbox_mod mbox_mod;
- int ret;
-
- if (!is_esp ||
- !(fte->action.action &
- (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT)))
- return create_fte(ns, ft, fg, fte);
-
- rule = kzalloc(sizeof(*rule), GFP_KERNEL);
- if (!rule)
- return -ENOMEM;
-
- rule->ctx = mlx5_fpga_ipsec_fs_create_sa_ctx(dev, fte, is_egress);
- if (IS_ERR(rule->ctx)) {
- int err = PTR_ERR(rule->ctx);
-
- kfree(rule);
- return err;
- }
-
- rule->fte = fte;
- WARN_ON(rule_insert(fipsec, rule));
-
- modify_spec_mailbox(dev, fte, &mbox_mod);
- ret = create_fte(ns, ft, fg, fte);
- restore_spec_mailbox(fte, &mbox_mod);
- if (ret) {
- _rule_delete(fipsec, rule);
- mlx5_fpga_ipsec_delete_sa_ctx(rule->ctx);
- kfree(rule);
- }
-
- return ret;
-}
-
-static int fpga_ipsec_fs_update_fte(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- int modify_mask,
- struct fs_fte *fte,
- bool is_egress)
-{
- int (*update_fte)(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- int modify_mask,
- struct fs_fte *fte) =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(is_egress))->update_fte;
- struct mlx5_core_dev *dev = ns->dev;
- bool is_esp = fte->action.esp_id;
- struct mailbox_mod mbox_mod;
- int ret;
-
- if (!is_esp ||
- !(fte->action.action &
- (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT)))
- return update_fte(ns, ft, fg, modify_mask, fte);
-
- modify_spec_mailbox(dev, fte, &mbox_mod);
- ret = update_fte(ns, ft, fg, modify_mask, fte);
- restore_spec_mailbox(fte, &mbox_mod);
-
- return ret;
-}
-
-static int fpga_ipsec_fs_delete_fte(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct fs_fte *fte,
- bool is_egress)
-{
- int (*delete_fte)(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct fs_fte *fte) =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(is_egress))->delete_fte;
- struct mlx5_core_dev *dev = ns->dev;
- struct mlx5_fpga_device *fdev = dev->fpga;
- struct mlx5_fpga_ipsec *fipsec = fdev->ipsec;
- struct mlx5_fpga_ipsec_rule *rule;
- bool is_esp = fte->action.esp_id;
- struct mailbox_mod mbox_mod;
- int ret;
-
- if (!is_esp ||
- !(fte->action.action &
- (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT)))
- return delete_fte(ns, ft, fte);
-
- rule = rule_search(fipsec, fte);
- if (!rule)
- return -ENOENT;
-
- mlx5_fpga_ipsec_delete_sa_ctx(rule->ctx);
- rule_delete(fipsec, rule);
-
- modify_spec_mailbox(dev, fte, &mbox_mod);
- ret = delete_fte(ns, ft, fte);
- restore_spec_mailbox(fte, &mbox_mod);
-
- return ret;
-}
-
-static int
-mlx5_fpga_ipsec_fs_create_flow_group_egress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- u32 *in,
- struct mlx5_flow_group *fg)
-{
- return fpga_ipsec_fs_create_flow_group(ns, ft, in, fg, true);
-}
-
-static int
-mlx5_fpga_ipsec_fs_create_fte_egress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- struct fs_fte *fte)
-{
- return fpga_ipsec_fs_create_fte(ns, ft, fg, fte, true);
-}
-
-static int
-mlx5_fpga_ipsec_fs_update_fte_egress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- int modify_mask,
- struct fs_fte *fte)
-{
- return fpga_ipsec_fs_update_fte(ns, ft, fg, modify_mask, fte,
- true);
-}
-
-static int
-mlx5_fpga_ipsec_fs_delete_fte_egress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct fs_fte *fte)
-{
- return fpga_ipsec_fs_delete_fte(ns, ft, fte, true);
-}
-
-static int
-mlx5_fpga_ipsec_fs_create_flow_group_ingress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- u32 *in,
- struct mlx5_flow_group *fg)
-{
- return fpga_ipsec_fs_create_flow_group(ns, ft, in, fg, false);
-}
-
-static int
-mlx5_fpga_ipsec_fs_create_fte_ingress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- struct fs_fte *fte)
-{
- return fpga_ipsec_fs_create_fte(ns, ft, fg, fte, false);
-}
-
-static int
-mlx5_fpga_ipsec_fs_update_fte_ingress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct mlx5_flow_group *fg,
- int modify_mask,
- struct fs_fte *fte)
-{
- return fpga_ipsec_fs_update_fte(ns, ft, fg, modify_mask, fte,
- false);
-}
-
-static int
-mlx5_fpga_ipsec_fs_delete_fte_ingress(struct mlx5_flow_root_namespace *ns,
- struct mlx5_flow_table *ft,
- struct fs_fte *fte)
-{
- return fpga_ipsec_fs_delete_fte(ns, ft, fte, false);
-}
-
-static struct mlx5_flow_cmds fpga_ipsec_ingress;
-static struct mlx5_flow_cmds fpga_ipsec_egress;
-
-const struct mlx5_flow_cmds *mlx5_fs_cmd_get_default_ipsec_fpga_cmds(enum fs_flow_table_type type)
-{
- switch (type) {
- case FS_FT_NIC_RX:
- return &fpga_ipsec_ingress;
- case FS_FT_NIC_TX:
- return &fpga_ipsec_egress;
- default:
- WARN_ON(true);
- return NULL;
- }
-}
-
-static int mlx5_fpga_ipsec_init(struct mlx5_core_dev *mdev)
-{
- struct mlx5_fpga_conn_attr init_attr = {0};
- struct mlx5_fpga_device *fdev = mdev->fpga;
- struct mlx5_fpga_conn *conn;
- int err;
-
- if (!mlx5_fpga_is_ipsec_device(mdev))
- return 0;
-
- fdev->ipsec = kzalloc(sizeof(*fdev->ipsec), GFP_KERNEL);
- if (!fdev->ipsec)
- return -ENOMEM;
-
- fdev->ipsec->fdev = fdev;
-
- err = mlx5_fpga_get_sbu_caps(fdev, sizeof(fdev->ipsec->caps),
- fdev->ipsec->caps);
- if (err) {
- mlx5_fpga_err(fdev, "Failed to retrieve IPSec extended capabilities: %d\n",
- err);
- goto error;
- }
-
- INIT_LIST_HEAD(&fdev->ipsec->pending_cmds);
- spin_lock_init(&fdev->ipsec->pending_cmds_lock);
-
- init_attr.rx_size = SBU_QP_QUEUE_SIZE;
- init_attr.tx_size = SBU_QP_QUEUE_SIZE;
- init_attr.recv_cb = mlx5_fpga_ipsec_recv;
- init_attr.cb_arg = fdev;
- conn = mlx5_fpga_sbu_conn_create(fdev, &init_attr);
- if (IS_ERR(conn)) {
- err = PTR_ERR(conn);
- mlx5_fpga_err(fdev, "Error creating IPSec command connection %d\n",
- err);
- goto error;
- }
- fdev->ipsec->conn = conn;
-
- err = rhashtable_init(&fdev->ipsec->sa_hash, &rhash_sa);
- if (err)
- goto err_destroy_conn;
- mutex_init(&fdev->ipsec->sa_hash_lock);
-
- fdev->ipsec->rules_rb = RB_ROOT;
- mutex_init(&fdev->ipsec->rules_rb_lock);
-
- err = mlx5_fpga_ipsec_enable_supported_caps(mdev);
- if (err) {
- mlx5_fpga_err(fdev, "Failed to enable IPSec extended capabilities: %d\n",
- err);
- goto err_destroy_hash;
- }
-
- ida_init(&fdev->ipsec->halloc);
-
- return 0;
-
-err_destroy_hash:
- rhashtable_destroy(&fdev->ipsec->sa_hash);
-
-err_destroy_conn:
- mlx5_fpga_sbu_conn_destroy(conn);
-
-error:
- kfree(fdev->ipsec);
- fdev->ipsec = NULL;
- return err;
-}
-
-static void destroy_rules_rb(struct rb_root *root)
-{
- struct mlx5_fpga_ipsec_rule *r, *tmp;
-
- rbtree_postorder_for_each_entry_safe(r, tmp, root, node) {
- rb_erase(&r->node, root);
- mlx5_fpga_ipsec_delete_sa_ctx(r->ctx);
- kfree(r);
- }
-}
-
-static void mlx5_fpga_ipsec_cleanup(struct mlx5_core_dev *mdev)
-{
- struct mlx5_fpga_device *fdev = mdev->fpga;
-
- if (!mlx5_fpga_is_ipsec_device(mdev))
- return;
-
- ida_destroy(&fdev->ipsec->halloc);
- destroy_rules_rb(&fdev->ipsec->rules_rb);
- rhashtable_destroy(&fdev->ipsec->sa_hash);
-
- mlx5_fpga_sbu_conn_destroy(fdev->ipsec->conn);
- kfree(fdev->ipsec);
- fdev->ipsec = NULL;
-}
-
-void mlx5_fpga_ipsec_build_fs_cmds(void)
-{
- /* ingress */
- fpga_ipsec_ingress.create_flow_table =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(false))->create_flow_table;
- fpga_ipsec_ingress.destroy_flow_table =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(false))->destroy_flow_table;
- fpga_ipsec_ingress.modify_flow_table =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(false))->modify_flow_table;
- fpga_ipsec_ingress.create_flow_group =
- mlx5_fpga_ipsec_fs_create_flow_group_ingress;
- fpga_ipsec_ingress.destroy_flow_group =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(false))->destroy_flow_group;
- fpga_ipsec_ingress.create_fte =
- mlx5_fpga_ipsec_fs_create_fte_ingress;
- fpga_ipsec_ingress.update_fte =
- mlx5_fpga_ipsec_fs_update_fte_ingress;
- fpga_ipsec_ingress.delete_fte =
- mlx5_fpga_ipsec_fs_delete_fte_ingress;
- fpga_ipsec_ingress.update_root_ft =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(false))->update_root_ft;
-
- /* egress */
- fpga_ipsec_egress.create_flow_table =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(true))->create_flow_table;
- fpga_ipsec_egress.destroy_flow_table =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(true))->destroy_flow_table;
- fpga_ipsec_egress.modify_flow_table =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(true))->modify_flow_table;
- fpga_ipsec_egress.create_flow_group =
- mlx5_fpga_ipsec_fs_create_flow_group_egress;
- fpga_ipsec_egress.destroy_flow_group =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(true))->destroy_flow_group;
- fpga_ipsec_egress.create_fte =
- mlx5_fpga_ipsec_fs_create_fte_egress;
- fpga_ipsec_egress.update_fte =
- mlx5_fpga_ipsec_fs_update_fte_egress;
- fpga_ipsec_egress.delete_fte =
- mlx5_fpga_ipsec_fs_delete_fte_egress;
- fpga_ipsec_egress.update_root_ft =
- mlx5_fs_cmd_get_default(egress_to_fs_ft(true))->update_root_ft;
-}
-
-static int
-mlx5_fpga_esp_validate_xfrm_attrs(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs)
-{
- if (attrs->tfc_pad) {
- mlx5_core_err(mdev, "Cannot offload xfrm states with tfc padding\n");
- return -EOPNOTSUPP;
- }
-
- if (attrs->replay_type != MLX5_ACCEL_ESP_REPLAY_NONE) {
- mlx5_core_err(mdev, "Cannot offload xfrm states with anti replay\n");
- return -EOPNOTSUPP;
- }
-
- if (attrs->keymat_type != MLX5_ACCEL_ESP_KEYMAT_AES_GCM) {
- mlx5_core_err(mdev, "Only aes gcm keymat is supported\n");
- return -EOPNOTSUPP;
- }
-
- if (attrs->keymat.aes_gcm.iv_algo !=
- MLX5_ACCEL_ESP_AES_GCM_IV_ALGO_SEQ) {
- mlx5_core_err(mdev, "Only iv sequence algo is supported\n");
- return -EOPNOTSUPP;
- }
-
- if (attrs->keymat.aes_gcm.icv_len != 128) {
- mlx5_core_err(mdev, "Cannot offload xfrm states with AEAD ICV length other than 128bit\n");
- return -EOPNOTSUPP;
- }
-
- if (attrs->keymat.aes_gcm.key_len != 128 &&
- attrs->keymat.aes_gcm.key_len != 256) {
- mlx5_core_err(mdev, "Cannot offload xfrm states with AEAD key length other than 128/256 bit\n");
- return -EOPNOTSUPP;
- }
-
- if ((attrs->flags & MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED) &&
- (!MLX5_GET(ipsec_extended_cap, mdev->fpga->ipsec->caps,
- v2_command))) {
- mlx5_core_err(mdev, "Cannot offload xfrm states with AEAD key length other than 128/256 bit\n");
- return -EOPNOTSUPP;
- }
-
- return 0;
-}
-
-static struct mlx5_accel_esp_xfrm *
-mlx5_fpga_esp_create_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs,
- u32 flags)
-{
- struct mlx5_fpga_esp_xfrm *fpga_xfrm;
-
- if (!(flags & MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA)) {
- mlx5_core_warn(mdev, "Tried to create an esp action without metadata\n");
- return ERR_PTR(-EINVAL);
- }
-
- if (mlx5_fpga_esp_validate_xfrm_attrs(mdev, attrs)) {
- mlx5_core_warn(mdev, "Tried to create an esp with unsupported attrs\n");
- return ERR_PTR(-EOPNOTSUPP);
- }
-
- fpga_xfrm = kzalloc(sizeof(*fpga_xfrm), GFP_KERNEL);
- if (!fpga_xfrm)
- return ERR_PTR(-ENOMEM);
-
- mutex_init(&fpga_xfrm->lock);
- memcpy(&fpga_xfrm->accel_xfrm.attrs, attrs,
- sizeof(fpga_xfrm->accel_xfrm.attrs));
-
- return &fpga_xfrm->accel_xfrm;
-}
-
-static void mlx5_fpga_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm)
-{
- struct mlx5_fpga_esp_xfrm *fpga_xfrm =
- container_of(xfrm, struct mlx5_fpga_esp_xfrm,
- accel_xfrm);
- /* assuming no sa_ctx are connected to this xfrm_ctx */
- kfree(fpga_xfrm);
-}
-
-static int mlx5_fpga_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
- const struct mlx5_accel_esp_xfrm_attrs *attrs)
-{
- struct mlx5_core_dev *mdev = xfrm->mdev;
- struct mlx5_fpga_device *fdev = mdev->fpga;
- struct mlx5_fpga_ipsec *fipsec = fdev->ipsec;
- struct mlx5_fpga_esp_xfrm *fpga_xfrm;
- struct mlx5_ifc_fpga_ipsec_sa org_hw_sa;
-
- int err = 0;
-
- if (!memcmp(&xfrm->attrs, attrs, sizeof(xfrm->attrs)))
- return 0;
-
- if (mlx5_fpga_esp_validate_xfrm_attrs(mdev, attrs)) {
- mlx5_core_warn(mdev, "Tried to create an esp with unsupported attrs\n");
- return -EOPNOTSUPP;
- }
-
- if (is_v2_sadb_supported(fipsec)) {
- mlx5_core_warn(mdev, "Modify esp is not supported\n");
- return -EOPNOTSUPP;
- }
-
- fpga_xfrm = container_of(xfrm, struct mlx5_fpga_esp_xfrm, accel_xfrm);
-
- mutex_lock(&fpga_xfrm->lock);
-
- if (!fpga_xfrm->sa_ctx)
- /* Unbounded xfrm, change only sw attrs */
- goto change_sw_xfrm_attrs;
-
- /* copy original hw sa */
- memcpy(&org_hw_sa, &fpga_xfrm->sa_ctx->hw_sa, sizeof(org_hw_sa));
- mutex_lock(&fipsec->sa_hash_lock);
- /* remove original hw sa from hash */
- WARN_ON(rhashtable_remove_fast(&fipsec->sa_hash,
- &fpga_xfrm->sa_ctx->hash, rhash_sa));
- /* update hw_sa with new xfrm attrs*/
- mlx5_fpga_ipsec_build_hw_xfrm(xfrm->mdev, attrs,
- &fpga_xfrm->sa_ctx->hw_sa);
- /* try to insert new hw_sa to hash */
- err = rhashtable_insert_fast(&fipsec->sa_hash,
- &fpga_xfrm->sa_ctx->hash, rhash_sa);
- if (err)
- goto rollback_sa;
-
- /* modify device with new hw_sa */
- err = mlx5_fpga_ipsec_update_hw_sa(fdev, &fpga_xfrm->sa_ctx->hw_sa,
- MLX5_FPGA_IPSEC_CMD_OP_MOD_SA_V2);
- fpga_xfrm->sa_ctx->hw_sa.ipsec_sa_v1.cmd = 0;
- if (err)
- WARN_ON(rhashtable_remove_fast(&fipsec->sa_hash,
- &fpga_xfrm->sa_ctx->hash,
- rhash_sa));
-rollback_sa:
- if (err) {
- /* return original hw_sa to hash */
- memcpy(&fpga_xfrm->sa_ctx->hw_sa, &org_hw_sa,
- sizeof(org_hw_sa));
- WARN_ON(rhashtable_insert_fast(&fipsec->sa_hash,
- &fpga_xfrm->sa_ctx->hash,
- rhash_sa));
- }
- mutex_unlock(&fipsec->sa_hash_lock);
-
-change_sw_xfrm_attrs:
- if (!err)
- memcpy(&xfrm->attrs, attrs, sizeof(xfrm->attrs));
- mutex_unlock(&fpga_xfrm->lock);
- return err;
-}
-
-static const struct mlx5_accel_ipsec_ops fpga_ipsec_ops = {
- .device_caps = mlx5_fpga_ipsec_device_caps,
- .counters_count = mlx5_fpga_ipsec_counters_count,
- .counters_read = mlx5_fpga_ipsec_counters_read,
- .create_hw_context = mlx5_fpga_ipsec_create_sa_ctx,
- .free_hw_context = mlx5_fpga_ipsec_delete_sa_ctx,
- .init = mlx5_fpga_ipsec_init,
- .cleanup = mlx5_fpga_ipsec_cleanup,
- .esp_create_xfrm = mlx5_fpga_esp_create_xfrm,
- .esp_modify_xfrm = mlx5_fpga_esp_modify_xfrm,
- .esp_destroy_xfrm = mlx5_fpga_esp_destroy_xfrm,
-};
-
-const struct mlx5_accel_ipsec_ops *mlx5_fpga_ipsec_ops(struct mlx5_core_dev *mdev)
-{
- if (!mlx5_fpga_is_ipsec_device(mdev))
- return NULL;
-
- return &fpga_ipsec_ops;
-}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h
deleted file mode 100644
index 8931b5584477..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/ipsec.h
+++ /dev/null
@@ -1,62 +0,0 @@
-/*
- * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#ifndef __MLX5_FPGA_IPSEC_H__
-#define __MLX5_FPGA_IPSEC_H__
-
-#include "accel/ipsec.h"
-#include "fs_cmd.h"
-
-#ifdef CONFIG_MLX5_FPGA_IPSEC
-const struct mlx5_accel_ipsec_ops *mlx5_fpga_ipsec_ops(struct mlx5_core_dev *mdev);
-u32 mlx5_fpga_ipsec_device_caps(struct mlx5_core_dev *mdev);
-const struct mlx5_flow_cmds *
-mlx5_fs_cmd_get_default_ipsec_fpga_cmds(enum fs_flow_table_type type);
-void mlx5_fpga_ipsec_build_fs_cmds(void);
-bool mlx5_fpga_is_ipsec_device(struct mlx5_core_dev *mdev);
-#else
-static inline
-const struct mlx5_accel_ipsec_ops *mlx5_fpga_ipsec_ops(struct mlx5_core_dev *mdev)
-{ return NULL; }
-static inline u32 mlx5_fpga_ipsec_device_caps(struct mlx5_core_dev *mdev) { return 0; }
-static inline const struct mlx5_flow_cmds *
-mlx5_fs_cmd_get_default_ipsec_fpga_cmds(enum fs_flow_table_type type)
-{
- return mlx5_fs_cmd_get_default(type);
-}
-
-static inline void mlx5_fpga_ipsec_build_fs_cmds(void) {};
-static inline bool mlx5_fpga_is_ipsec_device(struct mlx5_core_dev *mdev) { return false; }
-
-#endif /* CONFIG_MLX5_FPGA_IPSEC */
-#endif /* __MLX5_FPGA_IPSEC_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index 816d991f7621..fe7bdccea301 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -40,8 +40,6 @@
#include "fs_cmd.h"
#include "fs_ft_pool.h"
#include "diag/fs_tracepoint.h"
-#include "accel/ipsec.h"
-#include "fpga/ipsec.h"
#define INIT_TREE_NODE_ARRAY_SIZE(...) (sizeof((struct init_tree_node[]){__VA_ARGS__}) /\
sizeof(struct init_tree_node))
@@ -2519,10 +2517,6 @@ static struct mlx5_flow_root_namespace
struct mlx5_flow_root_namespace *root_ns;
struct mlx5_flow_namespace *ns;
- if (mlx5_fpga_ipsec_device_caps(steering->dev) & MLX5_ACCEL_IPSEC_CAP_DEVICE &&
- (table_type == FS_FT_NIC_RX || table_type == FS_FT_NIC_TX))
- cmds = mlx5_fs_cmd_get_default_ipsec_fpga_cmds(table_type);
-
/* Create the root namespace */
root_ns = kzalloc(sizeof(*root_ns), GFP_KERNEL);
if (!root_ns)
@@ -3172,8 +3166,7 @@ int mlx5_init_fs(struct mlx5_core_dev *dev)
goto err;
}
- if (mlx5_fpga_ipsec_device_caps(steering->dev) & MLX5_ACCEL_IPSEC_CAP_DEVICE ||
- MLX5_CAP_FLOWTABLE_NIC_TX(dev, ft_support)) {
+ if (MLX5_CAP_FLOWTABLE_NIC_TX(dev, ft_support)) {
err = init_egress_root_ns(steering);
if (err)
goto err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 7f287e300fb4..387602bbfecc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -62,7 +62,6 @@
#include "lib/mlx5.h"
#include "lib/tout.h"
#include "fpga/core.h"
-#include "fpga/ipsec.h"
#include "accel/ipsec.h"
#include "lib/clock.h"
#include "lib/vxlan.h"
@@ -1937,7 +1936,6 @@ static int __init init(void)
get_random_bytes(&sw_owner_id, sizeof(sw_owner_id));
mlx5_core_verify_params();
- mlx5_fpga_ipsec_build_fs_cmds();
mlx5_register_debugfs();
err = pci_register_driver(&mlx5_core_driver);
diff --git a/include/linux/mlx5/mlx5_ifc_fpga.h b/include/linux/mlx5/mlx5_ifc_fpga.h
index e3d824f6a309..45c7c0d67635 100644
--- a/include/linux/mlx5/mlx5_ifc_fpga.h
+++ b/include/linux/mlx5/mlx5_ifc_fpga.h
@@ -386,68 +386,6 @@ struct mlx5_ifc_fpga_destroy_qp_out_bits {
u8 reserved_at_40[0x40];
};
-struct mlx5_ifc_ipsec_extended_cap_bits {
- u8 encapsulation[0x20];
-
- u8 reserved_0[0x12];
- u8 v2_command[0x1];
- u8 udp_encap[0x1];
- u8 rx_no_trailer[0x1];
- u8 ipv4_fragment[0x1];
- u8 ipv6[0x1];
- u8 esn[0x1];
- u8 lso[0x1];
- u8 transport_and_tunnel_mode[0x1];
- u8 tunnel_mode[0x1];
- u8 transport_mode[0x1];
- u8 ah_esp[0x1];
- u8 esp[0x1];
- u8 ah[0x1];
- u8 ipv4_options[0x1];
-
- u8 auth_alg[0x20];
-
- u8 enc_alg[0x20];
-
- u8 sa_cap[0x20];
-
- u8 reserved_1[0x10];
- u8 number_of_ipsec_counters[0x10];
-
- u8 ipsec_counters_addr_low[0x20];
- u8 ipsec_counters_addr_high[0x20];
-};
-
-struct mlx5_ifc_ipsec_counters_bits {
- u8 dec_in_packets[0x40];
-
- u8 dec_out_packets[0x40];
-
- u8 dec_bypass_packets[0x40];
-
- u8 enc_in_packets[0x40];
-
- u8 enc_out_packets[0x40];
-
- u8 enc_bypass_packets[0x40];
-
- u8 drop_dec_packets[0x40];
-
- u8 failed_auth_dec_packets[0x40];
-
- u8 drop_enc_packets[0x40];
-
- u8 success_add_sa[0x40];
-
- u8 fail_add_sa[0x40];
-
- u8 success_delete_sa[0x40];
-
- u8 fail_delete_sa[0x40];
-
- u8 dropped_cmd[0x40];
-};
-
enum {
MLX5_FPGA_QP_ERROR_EVENT_SYNDROME_RETRY_COUNTER_EXPIRED = 0x1,
MLX5_FPGA_QP_ERROR_EVENT_SYNDROME_RNR_EXPIRED = 0x2,
@@ -464,90 +402,4 @@ struct mlx5_ifc_fpga_qp_error_event_bits {
u8 reserved_at_c0[0x8];
u8 fpga_qpn[0x18];
};
-enum mlx5_ifc_fpga_ipsec_response_syndrome {
- MLX5_FPGA_IPSEC_RESPONSE_SUCCESS = 0,
- MLX5_FPGA_IPSEC_RESPONSE_ILLEGAL_REQUEST = 1,
- MLX5_FPGA_IPSEC_RESPONSE_SADB_ISSUE = 2,
- MLX5_FPGA_IPSEC_RESPONSE_WRITE_RESPONSE_ISSUE = 3,
-};
-
-struct mlx5_ifc_fpga_ipsec_cmd_resp {
- __be32 syndrome;
- union {
- __be32 sw_sa_handle;
- __be32 flags;
- };
- u8 reserved[24];
-} __packed;
-
-enum mlx5_ifc_fpga_ipsec_cmd_opcode {
- MLX5_FPGA_IPSEC_CMD_OP_ADD_SA = 0,
- MLX5_FPGA_IPSEC_CMD_OP_DEL_SA = 1,
- MLX5_FPGA_IPSEC_CMD_OP_ADD_SA_V2 = 2,
- MLX5_FPGA_IPSEC_CMD_OP_DEL_SA_V2 = 3,
- MLX5_FPGA_IPSEC_CMD_OP_MOD_SA_V2 = 4,
- MLX5_FPGA_IPSEC_CMD_OP_SET_CAP = 5,
-};
-
-enum mlx5_ifc_fpga_ipsec_cap {
- MLX5_FPGA_IPSEC_CAP_NO_TRAILER = BIT(0),
-};
-
-struct mlx5_ifc_fpga_ipsec_cmd_cap {
- __be32 cmd;
- __be32 flags;
- u8 reserved[24];
-} __packed;
-
-enum mlx5_ifc_fpga_ipsec_sa_flags {
- MLX5_FPGA_IPSEC_SA_ESN_EN = BIT(0),
- MLX5_FPGA_IPSEC_SA_ESN_OVERLAP = BIT(1),
- MLX5_FPGA_IPSEC_SA_IPV6 = BIT(2),
- MLX5_FPGA_IPSEC_SA_DIR_SX = BIT(3),
- MLX5_FPGA_IPSEC_SA_SPI_EN = BIT(4),
- MLX5_FPGA_IPSEC_SA_SA_VALID = BIT(5),
- MLX5_FPGA_IPSEC_SA_IP_ESP = BIT(6),
- MLX5_FPGA_IPSEC_SA_IP_AH = BIT(7),
-};
-
-enum mlx5_ifc_fpga_ipsec_sa_enc_mode {
- MLX5_FPGA_IPSEC_SA_ENC_MODE_NONE = 0,
- MLX5_FPGA_IPSEC_SA_ENC_MODE_AES_GCM_128_AUTH_128 = 1,
- MLX5_FPGA_IPSEC_SA_ENC_MODE_AES_GCM_256_AUTH_128 = 3,
-};
-
-struct mlx5_ifc_fpga_ipsec_sa_v1 {
- __be32 cmd;
- u8 key_enc[32];
- u8 key_auth[32];
- __be32 sip[4];
- __be32 dip[4];
- union {
- struct {
- __be32 reserved;
- u8 salt_iv[8];
- __be32 salt;
- } __packed gcm;
- struct {
- u8 salt[16];
- } __packed cbc;
- };
- __be32 spi;
- __be32 sw_sa_handle;
- __be16 tfclen;
- u8 enc_mode;
- u8 reserved1[2];
- u8 flags;
- u8 reserved2[2];
-};
-
-struct mlx5_ifc_fpga_ipsec_sa {
- struct mlx5_ifc_fpga_ipsec_sa_v1 ipsec_sa_v1;
- __be16 udp_sp;
- __be16 udp_dp;
- u8 reserved1[4];
- __be32 esn;
- __be16 vid; /* only 12 bits, rest is reserved */
- __be16 reserved2;
-} __packed;
#endif /* MLX5_IFC_FPGA_H */
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 02/17] net/mlx5: Delete metadata handling logic
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 01/17] net/mlx5_fpga: Drop INNOVA IPsec support Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 03/17] net/mlx5: Remove not-used IDA field from IPsec struct Leon Romanovsky
` (15 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Remove specific to FPGS IPsec metadata handling logic which is not
required for mlx5 NICs devices.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../ethernet/mellanox/mlx5/core/accel/accel.h | 36 ----
.../mellanox/mlx5/core/en_accel/ipsec.h | 6 -
.../mellanox/mlx5/core/en_accel/ipsec_rxtx.c | 199 ------------------
.../mellanox/mlx5/core/en_accel/ipsec_rxtx.h | 3 -
.../net/ethernet/mellanox/mlx5/core/en_main.c | 1 -
5 files changed, 245 deletions(-)
delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h
deleted file mode 100644
index 82b185121edb..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/accel.h
+++ /dev/null
@@ -1,36 +0,0 @@
-#ifndef __MLX5E_ACCEL_H__
-#define __MLX5E_ACCEL_H__
-
-#ifdef CONFIG_MLX5_ACCEL
-
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-
-static inline bool is_metadata_hdr_valid(struct sk_buff *skb)
-{
- __be16 *ethtype;
-
- if (unlikely(skb->len < ETH_HLEN + MLX5E_METADATA_ETHER_LEN))
- return false;
- ethtype = (__be16 *)(skb->data + ETH_ALEN * 2);
- if (*ethtype != cpu_to_be16(MLX5E_METADATA_ETHER_TYPE))
- return false;
- return true;
-}
-
-static inline void remove_metadata_hdr(struct sk_buff *skb)
-{
- struct ethhdr *old_eth;
- struct ethhdr *new_eth;
-
- /* Remove the metadata from the buffer */
- old_eth = (struct ethhdr *)skb->data;
- new_eth = (struct ethhdr *)(skb->data + MLX5E_METADATA_ETHER_LEN);
- memmove(new_eth, old_eth, 2 * ETH_ALEN);
- /* Ethertype is already in its new place */
- skb_pull_inline(skb, MLX5E_METADATA_ETHER_LEN);
-}
-
-#endif /* CONFIG_MLX5_ACCEL */
-
-#endif /* __MLX5E_EN_ACCEL_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index 6164c7f59efb..282d3abab8c5 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -116,7 +116,6 @@ struct mlx5e_ipsec_sa_entry {
struct mlx5e_ipsec_rule ipsec_rule;
};
-void mlx5e_ipsec_build_inverse_table(void);
int mlx5e_ipsec_init(struct mlx5e_priv *priv);
void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv);
void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv);
@@ -125,11 +124,6 @@ struct xfrm_state *mlx5e_ipsec_sadb_rx_lookup(struct mlx5e_ipsec *dev,
unsigned int handle);
#else
-
-static inline void mlx5e_ipsec_build_inverse_table(void)
-{
-}
-
static inline int mlx5e_ipsec_init(struct mlx5e_priv *priv)
{
return 0;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
index b56fea142c24..28e0500d4a48 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
@@ -37,75 +37,13 @@
#include "accel/ipsec_offload.h"
#include "en_accel/ipsec_rxtx.h"
#include "en_accel/ipsec.h"
-#include "accel/accel.h"
#include "en.h"
-enum {
- MLX5E_IPSEC_RX_SYNDROME_DECRYPTED = 0x11,
- MLX5E_IPSEC_RX_SYNDROME_AUTH_FAILED = 0x12,
- MLX5E_IPSEC_RX_SYNDROME_BAD_PROTO = 0x17,
-};
-
-struct mlx5e_ipsec_rx_metadata {
- unsigned char nexthdr;
- __be32 sa_handle;
-} __packed;
-
enum {
MLX5E_IPSEC_TX_SYNDROME_OFFLOAD = 0x8,
MLX5E_IPSEC_TX_SYNDROME_OFFLOAD_WITH_LSO_TCP = 0x9,
};
-struct mlx5e_ipsec_tx_metadata {
- __be16 mss_inv; /* 1/MSS in 16bit fixed point, only for LSO */
- __be16 seq; /* LSBs of the first TCP seq, only for LSO */
- u8 esp_next_proto; /* Next protocol of ESP */
-} __packed;
-
-struct mlx5e_ipsec_metadata {
- unsigned char syndrome;
- union {
- unsigned char raw[5];
- /* from FPGA to host, on successful decrypt */
- struct mlx5e_ipsec_rx_metadata rx;
- /* from host to FPGA */
- struct mlx5e_ipsec_tx_metadata tx;
- } __packed content;
- /* packet type ID field */
- __be16 ethertype;
-} __packed;
-
-#define MAX_LSO_MSS 2048
-
-/* Pre-calculated (Q0.16) fixed-point inverse 1/x function */
-static __be16 mlx5e_ipsec_inverse_table[MAX_LSO_MSS];
-
-static inline __be16 mlx5e_ipsec_mss_inv(struct sk_buff *skb)
-{
- return mlx5e_ipsec_inverse_table[skb_shinfo(skb)->gso_size];
-}
-
-static struct mlx5e_ipsec_metadata *mlx5e_ipsec_add_metadata(struct sk_buff *skb)
-{
- struct mlx5e_ipsec_metadata *mdata;
- struct ethhdr *eth;
-
- if (unlikely(skb_cow_head(skb, sizeof(*mdata))))
- return ERR_PTR(-ENOMEM);
-
- eth = (struct ethhdr *)skb_push(skb, sizeof(*mdata));
- skb->mac_header -= sizeof(*mdata);
- mdata = (struct mlx5e_ipsec_metadata *)(eth + 1);
-
- memmove(skb->data, skb->data + sizeof(*mdata),
- 2 * ETH_ALEN);
-
- eth->h_proto = cpu_to_be16(MLX5E_METADATA_ETHER_TYPE);
-
- memset(mdata->content.raw, 0, sizeof(mdata->content.raw));
- return mdata;
-}
-
static int mlx5e_ipsec_remove_trailer(struct sk_buff *skb, struct xfrm_state *x)
{
unsigned int alen = crypto_aead_authsize(x->data);
@@ -244,40 +182,6 @@ void mlx5e_ipsec_set_iv(struct sk_buff *skb, struct xfrm_state *x,
skb_store_bits(skb, iv_offset, &seqno, 8);
}
-static void mlx5e_ipsec_set_metadata(struct sk_buff *skb,
- struct mlx5e_ipsec_metadata *mdata,
- struct xfrm_offload *xo)
-{
- struct ip_esp_hdr *esph;
- struct tcphdr *tcph;
-
- if (skb_is_gso(skb)) {
- /* Add LSO metadata indication */
- esph = ip_esp_hdr(skb);
- tcph = inner_tcp_hdr(skb);
- netdev_dbg(skb->dev, " Offloading GSO packet outer L3 %u; L4 %u; Inner L3 %u; L4 %u\n",
- skb->network_header,
- skb->transport_header,
- skb->inner_network_header,
- skb->inner_transport_header);
- netdev_dbg(skb->dev, " Offloading GSO packet of len %u; mss %u; TCP sp %u dp %u seq 0x%x ESP seq 0x%x\n",
- skb->len, skb_shinfo(skb)->gso_size,
- ntohs(tcph->source), ntohs(tcph->dest),
- ntohl(tcph->seq), ntohl(esph->seq_no));
- mdata->syndrome = MLX5E_IPSEC_TX_SYNDROME_OFFLOAD_WITH_LSO_TCP;
- mdata->content.tx.mss_inv = mlx5e_ipsec_mss_inv(skb);
- mdata->content.tx.seq = htons(ntohl(tcph->seq) & 0xFFFF);
- } else {
- mdata->syndrome = MLX5E_IPSEC_TX_SYNDROME_OFFLOAD;
- }
- mdata->content.tx.esp_next_proto = xo->proto;
-
- netdev_dbg(skb->dev, " TX metadata syndrome %u proto %u mss_inv %04x seq %04x\n",
- mdata->syndrome, mdata->content.tx.esp_next_proto,
- ntohs(mdata->content.tx.mss_inv),
- ntohs(mdata->content.tx.seq));
-}
-
void mlx5e_ipsec_handle_tx_wqe(struct mlx5e_tx_wqe *wqe,
struct mlx5e_accel_tx_ipsec_state *ipsec_st,
struct mlx5_wqe_inline_seg *inlseg)
@@ -363,7 +267,6 @@ bool mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
struct mlx5e_priv *priv = netdev_priv(netdev);
struct xfrm_offload *xo = xfrm_offload(skb);
struct mlx5e_ipsec_sa_entry *sa_entry;
- struct mlx5e_ipsec_metadata *mdata;
struct xfrm_state *x;
struct sec_path *sp;
@@ -392,19 +295,8 @@ bool mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
goto drop;
}
- if (MLX5_CAP_GEN(priv->mdev, fpga)) {
- mdata = mlx5e_ipsec_add_metadata(skb);
- if (IS_ERR(mdata)) {
- atomic64_inc(&priv->ipsec->sw_stats.ipsec_tx_drop_metadata);
- goto drop;
- }
- }
-
sa_entry = (struct mlx5e_ipsec_sa_entry *)x->xso.offload_handle;
sa_entry->set_iv_op(skb, x, xo);
- if (MLX5_CAP_GEN(priv->mdev, fpga))
- mlx5e_ipsec_set_metadata(skb, mdata, xo);
-
mlx5e_ipsec_set_state(priv, skb, x, xo, ipsec_st);
return true;
@@ -414,79 +306,6 @@ bool mlx5e_ipsec_handle_tx_skb(struct net_device *netdev,
return false;
}
-static inline struct xfrm_state *
-mlx5e_ipsec_build_sp(struct net_device *netdev, struct sk_buff *skb,
- struct mlx5e_ipsec_metadata *mdata)
-{
- struct mlx5e_priv *priv = netdev_priv(netdev);
- struct xfrm_offload *xo;
- struct xfrm_state *xs;
- struct sec_path *sp;
- u32 sa_handle;
-
- sp = secpath_set(skb);
- if (unlikely(!sp)) {
- atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_sp_alloc);
- return NULL;
- }
-
- sa_handle = be32_to_cpu(mdata->content.rx.sa_handle);
- xs = mlx5e_ipsec_sadb_rx_lookup(priv->ipsec, sa_handle);
- if (unlikely(!xs)) {
- atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_sadb_miss);
- return NULL;
- }
-
- sp = skb_sec_path(skb);
- sp->xvec[sp->len++] = xs;
- sp->olen++;
-
- xo = xfrm_offload(skb);
- xo->flags = CRYPTO_DONE;
- switch (mdata->syndrome) {
- case MLX5E_IPSEC_RX_SYNDROME_DECRYPTED:
- xo->status = CRYPTO_SUCCESS;
- if (likely(priv->ipsec->no_trailer)) {
- xo->flags |= XFRM_ESP_NO_TRAILER;
- xo->proto = mdata->content.rx.nexthdr;
- }
- break;
- case MLX5E_IPSEC_RX_SYNDROME_AUTH_FAILED:
- xo->status = CRYPTO_TUNNEL_ESP_AUTH_FAILED;
- break;
- case MLX5E_IPSEC_RX_SYNDROME_BAD_PROTO:
- xo->status = CRYPTO_INVALID_PROTOCOL;
- break;
- default:
- atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_syndrome);
- return NULL;
- }
- return xs;
-}
-
-struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev,
- struct sk_buff *skb, u32 *cqe_bcnt)
-{
- struct mlx5e_ipsec_metadata *mdata;
- struct xfrm_state *xs;
-
- if (!is_metadata_hdr_valid(skb))
- return skb;
-
- /* Use the metadata */
- mdata = (struct mlx5e_ipsec_metadata *)(skb->data + ETH_HLEN);
- xs = mlx5e_ipsec_build_sp(netdev, skb, mdata);
- if (unlikely(!xs)) {
- kfree_skb(skb);
- return NULL;
- }
-
- remove_metadata_hdr(skb);
- *cqe_bcnt -= MLX5E_METADATA_ETHER_LEN;
-
- return skb;
-}
-
enum {
MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_DECRYPTED,
MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_AUTH_FAILED,
@@ -541,21 +360,3 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
atomic64_inc(&priv->ipsec->sw_stats.ipsec_rx_drop_syndrome);
}
}
-
-void mlx5e_ipsec_build_inverse_table(void)
-{
- u16 mss_inv;
- u32 mss;
-
- /* Calculate 1/x inverse table for use in GSO data path.
- * Using this table, we provide the IPSec accelerator with the value of
- * 1/gso_size so that it can infer the position of each segment inside
- * the GSO, and increment the ESP sequence number, and generate the IV.
- * The HW needs this value in Q0.16 fixed-point number format
- */
- mlx5e_ipsec_inverse_table[1] = htons(0xFFFF);
- for (mss = 2; mss < MAX_LSO_MSS; mss++) {
- mss_inv = div_u64(1ULL << 32, mss) >> 16;
- mlx5e_ipsec_inverse_table[mss] = htons(mss_inv);
- }
-}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
index 428881e0adcb..0ae4e12ce528 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.h
@@ -53,9 +53,6 @@ struct mlx5e_accel_tx_ipsec_state {
#ifdef CONFIG_MLX5_EN_IPSEC
-struct sk_buff *mlx5e_ipsec_handle_rx_skb(struct net_device *netdev,
- struct sk_buff *skb, u32 *cqe_bcnt);
-
void mlx5e_ipsec_inverse_table_init(void);
void mlx5e_ipsec_set_iv_esn(struct sk_buff *skb, struct xfrm_state *x,
struct xfrm_offload *xo);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 0a303879d0f4..83365d04050b 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -5693,7 +5693,6 @@ int mlx5e_init(void)
{
int ret;
- mlx5e_ipsec_build_inverse_table();
mlx5e_build_ptys2ethtool_map();
ret = auxiliary_driver_register(&mlx5e_driver);
if (ret)
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 03/17] net/mlx5: Remove not-used IDA field from IPsec struct
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 01/17] net/mlx5_fpga: Drop INNOVA IPsec support Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 02/17] net/mlx5: Delete metadata handling logic Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 04/17] net/mlx5: Remove XFRM no_trailer flag Leon Romanovsky
` (14 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
The IDA halloc variable is not needed and can be removed.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c | 2 --
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h | 3 +--
2 files changed, 1 insertion(+), 4 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 299e3f0fcb5c..213fbf63dde9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -425,7 +425,6 @@ int mlx5e_ipsec_init(struct mlx5e_priv *priv)
hash_init(ipsec->sadb_rx);
spin_lock_init(&ipsec->sadb_rx_lock);
- ida_init(&ipsec->halloc);
ipsec->en_priv = priv;
ipsec->no_trailer = !!(mlx5_accel_ipsec_device_caps(priv->mdev) &
MLX5_ACCEL_IPSEC_CAP_RX_NO_TRAILER);
@@ -452,7 +451,6 @@ void mlx5e_ipsec_cleanup(struct mlx5e_priv *priv)
mlx5e_accel_ipsec_fs_cleanup(priv);
destroy_workqueue(ipsec->wq);
- ida_destroy(&ipsec->halloc);
kfree(ipsec);
priv->ipsec = NULL;
}
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index 282d3abab8c5..51ae6145b6fe 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -82,8 +82,7 @@ struct mlx5e_ipsec {
struct mlx5e_priv *en_priv;
DECLARE_HASHTABLE(sadb_rx, MLX5E_IPSEC_SADB_RX_BITS);
bool no_trailer;
- spinlock_t sadb_rx_lock; /* Protects sadb_rx and halloc */
- struct ida halloc;
+ spinlock_t sadb_rx_lock; /* Protects sadb_rx */
struct mlx5e_ipsec_sw_stats sw_stats;
struct mlx5e_ipsec_stats stats;
struct workqueue_struct *wq;
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 04/17] net/mlx5: Remove XFRM no_trailer flag
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (2 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 03/17] net/mlx5: Remove not-used IDA field from IPsec struct Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 05/17] net/mlx5: Remove FPGA ipsec specific statistics Leon Romanovsky
` (13 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Only FPGA needed this NO_TRAILER flag, so remove this assignment.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c | 2 --
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h | 1 -
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c | 2 --
3 files changed, 5 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 213fbf63dde9..13f6fed74950 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -426,8 +426,6 @@ int mlx5e_ipsec_init(struct mlx5e_priv *priv)
hash_init(ipsec->sadb_rx);
spin_lock_init(&ipsec->sadb_rx_lock);
ipsec->en_priv = priv;
- ipsec->no_trailer = !!(mlx5_accel_ipsec_device_caps(priv->mdev) &
- MLX5_ACCEL_IPSEC_CAP_RX_NO_TRAILER);
ipsec->wq = alloc_ordered_workqueue("mlx5e_ipsec: %s", 0,
priv->netdev->name);
if (!ipsec->wq) {
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index 51ae6145b6fe..6e4f0dbbd4e4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -81,7 +81,6 @@ struct mlx5e_ipsec_tx;
struct mlx5e_ipsec {
struct mlx5e_priv *en_priv;
DECLARE_HASHTABLE(sadb_rx, MLX5E_IPSEC_SADB_RX_BITS);
- bool no_trailer;
spinlock_t sadb_rx_lock; /* Protects sadb_rx */
struct mlx5e_ipsec_sw_stats sw_stats;
struct mlx5e_ipsec_stats stats;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
index 28e0500d4a48..8e0cf5e65100 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
@@ -347,8 +347,6 @@ void mlx5e_ipsec_offload_handle_rx_skb(struct net_device *netdev,
switch (MLX5_IPSEC_METADATA_SYNDROM(ipsec_meta_data)) {
case MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_DECRYPTED:
xo->status = CRYPTO_SUCCESS;
- if (WARN_ON_ONCE(priv->ipsec->no_trailer))
- xo->flags |= XFRM_ESP_NO_TRAILER;
break;
case MLX5E_IPSEC_OFFLOAD_RX_SYNDROME_AUTH_FAILED:
xo->status = CRYPTO_TUNNEL_ESP_AUTH_FAILED;
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 05/17] net/mlx5: Remove FPGA ipsec specific statistics
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (3 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 04/17] net/mlx5: Remove XFRM no_trailer flag Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 06/17] RDMA/mlx5: Delete never supported IPsec flow action Leon Romanovsky
` (12 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Delete the statistics that is not used anymore.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../mellanox/mlx5/core/en_accel/ipsec.h | 19 --------
.../mellanox/mlx5/core/en_accel/ipsec_stats.c | 46 -------------------
.../net/ethernet/mellanox/mlx5/core/en_rep.c | 1 -
.../ethernet/mellanox/mlx5/core/en_stats.c | 1 -
.../ethernet/mellanox/mlx5/core/en_stats.h | 1 -
5 files changed, 68 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index 6e4f0dbbd4e4..ee50052cbcb8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -55,24 +55,6 @@ struct mlx5e_ipsec_sw_stats {
atomic64_t ipsec_tx_drop_no_state;
atomic64_t ipsec_tx_drop_not_ip;
atomic64_t ipsec_tx_drop_trailer;
- atomic64_t ipsec_tx_drop_metadata;
-};
-
-struct mlx5e_ipsec_stats {
- u64 ipsec_dec_in_packets;
- u64 ipsec_dec_out_packets;
- u64 ipsec_dec_bypass_packets;
- u64 ipsec_enc_in_packets;
- u64 ipsec_enc_out_packets;
- u64 ipsec_enc_bypass_packets;
- u64 ipsec_dec_drop_packets;
- u64 ipsec_dec_auth_fail_packets;
- u64 ipsec_enc_drop_packets;
- u64 ipsec_add_sa_success;
- u64 ipsec_add_sa_fail;
- u64 ipsec_del_sa_success;
- u64 ipsec_del_sa_fail;
- u64 ipsec_cmd_drop;
};
struct mlx5e_accel_fs_esp;
@@ -83,7 +65,6 @@ struct mlx5e_ipsec {
DECLARE_HASHTABLE(sadb_rx, MLX5E_IPSEC_SADB_RX_BITS);
spinlock_t sadb_rx_lock; /* Protects sadb_rx */
struct mlx5e_ipsec_sw_stats sw_stats;
- struct mlx5e_ipsec_stats stats;
struct workqueue_struct *wq;
struct mlx5e_accel_fs_esp *rx_fs;
struct mlx5e_ipsec_tx *tx_fs;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
index 1607c305d3ab..80886290fd22 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
@@ -39,23 +39,6 @@
#include "fpga/sdk.h"
#include "en_accel/ipsec.h"
-static const struct counter_desc mlx5e_ipsec_hw_stats_desc[] = {
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_in_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_out_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_bypass_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_in_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_out_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_bypass_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_drop_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_dec_auth_fail_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_enc_drop_packets) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_add_sa_success) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_add_sa_fail) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_del_sa_success) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_del_sa_fail) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_stats, ipsec_cmd_drop) },
-};
-
static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sp_alloc) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_rx_drop_sadb_miss) },
@@ -64,13 +47,11 @@ static const struct counter_desc mlx5e_ipsec_sw_stats_desc[] = {
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_no_state) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_not_ip) },
{ MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_trailer) },
- { MLX5E_DECLARE_STAT(struct mlx5e_ipsec_sw_stats, ipsec_tx_drop_metadata) },
};
#define MLX5E_READ_CTR_ATOMIC64(ptr, dsc, i) \
atomic64_read((atomic64_t *)((char *)(ptr) + (dsc)[i].offset))
-#define NUM_IPSEC_HW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_hw_stats_desc)
#define NUM_IPSEC_SW_COUNTERS ARRAY_SIZE(mlx5e_ipsec_sw_stats_desc)
static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_sw)
@@ -102,31 +83,4 @@ static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_sw)
return idx;
}
-static MLX5E_DECLARE_STATS_GRP_OP_NUM_STATS(ipsec_hw)
-{
- return 0;
-}
-
-static MLX5E_DECLARE_STATS_GRP_OP_UPDATE_STATS(ipsec_hw)
-{
- int ret = 0;
-
- if (priv->ipsec)
- ret = mlx5_accel_ipsec_counters_read(priv->mdev, (u64 *)&priv->ipsec->stats,
- NUM_IPSEC_HW_COUNTERS);
- if (ret)
- memset(&priv->ipsec->stats, 0, sizeof(priv->ipsec->stats));
-}
-
-static MLX5E_DECLARE_STATS_GRP_OP_FILL_STRS(ipsec_hw)
-{
- return idx;
-}
-
-static MLX5E_DECLARE_STATS_GRP_OP_FILL_STATS(ipsec_hw)
-{
- return idx;
-}
-
MLX5E_DEFINE_STATS_GRP(ipsec_sw, 0);
-MLX5E_DEFINE_STATS_GRP(ipsec_hw, 0);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
index 6b7e7ea6ded2..47f7b4c034cc 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c
@@ -1112,7 +1112,6 @@ static mlx5e_stats_grp_t mlx5e_ul_rep_stats_grps[] = {
&MLX5E_STATS_GRP(per_port_buff_congest),
#ifdef CONFIG_MLX5_EN_IPSEC
&MLX5E_STATS_GRP(ipsec_sw),
- &MLX5E_STATS_GRP(ipsec_hw),
#endif
&MLX5E_STATS_GRP(ptp),
};
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
index 5123a220d7a4..57fa0489eeb8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.c
@@ -2443,7 +2443,6 @@ mlx5e_stats_grp_t mlx5e_nic_stats_grps[] = {
&MLX5E_STATS_GRP(pme),
#ifdef CONFIG_MLX5_EN_IPSEC
&MLX5E_STATS_GRP(ipsec_sw),
- &MLX5E_STATS_GRP(ipsec_hw),
#endif
&MLX5E_STATS_GRP(tls),
&MLX5E_STATS_GRP(channels),
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
index a7a025d15c14..e48b15b55b6f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_stats.h
@@ -482,7 +482,6 @@ extern MLX5E_DECLARE_STATS_GRP(per_prio);
extern MLX5E_DECLARE_STATS_GRP(pme);
extern MLX5E_DECLARE_STATS_GRP(channels);
extern MLX5E_DECLARE_STATS_GRP(per_port_buff_congest);
-extern MLX5E_DECLARE_STATS_GRP(ipsec_hw);
extern MLX5E_DECLARE_STATS_GRP(ipsec_sw);
extern MLX5E_DECLARE_STATS_GRP(ptp);
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 06/17] RDMA/mlx5: Delete never supported IPsec flow action
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (4 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 05/17] net/mlx5: Remove FPGA ipsec specific statistics Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 07/17] RDMA/mlx5: Drop crypto flow steering API Leon Romanovsky
` (11 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
The IPSEC_REQUIRED_METADATA capability bit is never set, and can be
safely removed from the flow action flags.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/infiniband/hw/mlx5/main.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 172773ed427a..4a9629c01cf1 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -1798,15 +1798,11 @@ static int set_ucontext_resp(struct ib_ucontext *uctx,
if (mlx5_get_flow_namespace(dev->mdev,
MLX5_FLOW_NAMESPACE_EGRESS))
resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM;
- if (mlx5_accel_ipsec_device_caps(dev->mdev) &
- MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA)
- resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_REQ_METADATA;
if (MLX5_CAP_FLOWTABLE(dev->mdev, flow_table_properties_nic_receive.ft_field_support.outer_esp_spi))
resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING;
if (mlx5_accel_ipsec_device_caps(dev->mdev) &
MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN)
resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN;
- /* MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_FULL_OFFLOAD is currently always 0 */
}
resp->tot_bfregs = bfregi->lib_uar_dyn ? 0 :
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 07/17] RDMA/mlx5: Drop crypto flow steering API
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (5 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 06/17] RDMA/mlx5: Delete never supported IPsec flow action Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 08/17] RDMA/core: Delete IPsec flow action logic from the core Leon Romanovsky
` (10 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
The mlx5 flow steering crypto API was intended to be used in FPGA
devices, which is not supported for years already. The removal of
mlx5 crypto FPGA code together with inability to configure encryption
keys makes the low steering API completely unusable.
So delete the code, so any ESP flow steering requests will fail with
not supported error, as it is happening now anyway as no device support
this type of API.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/infiniband/hw/mlx5/fs.c | 223 +-----------------
drivers/infiniband/hw/mlx5/main.c | 27 ---
.../ethernet/mellanox/mlx5/core/accel/ipsec.c | 5 +-
.../mellanox/mlx5/core/en_accel/ipsec.c | 4 +-
include/linux/mlx5/accel.h | 13 +-
5 files changed, 10 insertions(+), 262 deletions(-)
diff --git a/drivers/infiniband/hw/mlx5/fs.c b/drivers/infiniband/hw/mlx5/fs.c
index 661ed2b44508..9c2886bc72cb 100644
--- a/drivers/infiniband/hw/mlx5/fs.c
+++ b/drivers/infiniband/hw/mlx5/fs.c
@@ -15,7 +15,6 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/fs.h>
#include <linux/mlx5/fs_helpers.h>
-#include <linux/mlx5/accel.h>
#include <linux/mlx5/eswitch.h>
#include <net/inet_ecn.h>
#include "mlx5_ib.h"
@@ -148,16 +147,6 @@ int parse_flow_flow_action(struct mlx5_ib_flow_action *maction,
{
switch (maction->ib_action.type) {
- case IB_FLOW_ACTION_ESP:
- if (action->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT))
- return -EINVAL;
- /* Currently only AES_GCM keymat is supported by the driver */
- action->esp_id = (uintptr_t)maction->esp_aes_gcm.ctx;
- action->action |= is_egress ?
- MLX5_FLOW_CONTEXT_ACTION_ENCRYPT :
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT;
- return 0;
case IB_FLOW_ACTION_UNSPECIFIED:
if (maction->flow_action_raw.sub_type ==
MLX5_IB_FLOW_ACTION_MODIFY_HEADER) {
@@ -368,14 +357,7 @@ static int parse_flow_attr(struct mlx5_core_dev *mdev,
ib_spec->type & IB_FLOW_SPEC_INNER);
break;
case IB_FLOW_SPEC_ESP:
- if (ib_spec->esp.mask.seq)
- return -EOPNOTSUPP;
-
- MLX5_SET(fte_match_set_misc, misc_params_c, outer_esp_spi,
- ntohl(ib_spec->esp.mask.spi));
- MLX5_SET(fte_match_set_misc, misc_params_v, outer_esp_spi,
- ntohl(ib_spec->esp.val.spi));
- break;
+ return -EOPNOTSUPP;
case IB_FLOW_SPEC_TCP:
if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask,
LAST_TCP_UDP_FIELD))
@@ -587,47 +569,6 @@ static bool flow_is_multicast_only(const struct ib_flow_attr *ib_attr)
return false;
}
-enum valid_spec {
- VALID_SPEC_INVALID,
- VALID_SPEC_VALID,
- VALID_SPEC_NA,
-};
-
-static enum valid_spec
-is_valid_esp_aes_gcm(struct mlx5_core_dev *mdev,
- const struct mlx5_flow_spec *spec,
- const struct mlx5_flow_act *flow_act,
- bool egress)
-{
- const u32 *match_c = spec->match_criteria;
- bool is_crypto =
- (flow_act->action & (MLX5_FLOW_CONTEXT_ACTION_ENCRYPT |
- MLX5_FLOW_CONTEXT_ACTION_DECRYPT));
- bool is_ipsec = mlx5_fs_is_ipsec_flow(match_c);
- bool is_drop = flow_act->action & MLX5_FLOW_CONTEXT_ACTION_DROP;
-
- /*
- * Currently only crypto is supported in egress, when regular egress
- * rules would be supported, always return VALID_SPEC_NA.
- */
- if (!is_crypto)
- return VALID_SPEC_NA;
-
- return is_crypto && is_ipsec &&
- (!egress || (!is_drop &&
- !(spec->flow_context.flags & FLOW_CONTEXT_HAS_TAG))) ?
- VALID_SPEC_VALID : VALID_SPEC_INVALID;
-}
-
-static bool is_valid_spec(struct mlx5_core_dev *mdev,
- const struct mlx5_flow_spec *spec,
- const struct mlx5_flow_act *flow_act,
- bool egress)
-{
- /* We curretly only support ipsec egress flow */
- return is_valid_esp_aes_gcm(mdev, spec, flow_act, egress) != VALID_SPEC_INVALID;
-}
-
static bool is_valid_ethertype(struct mlx5_core_dev *mdev,
const struct ib_flow_attr *flow_attr,
bool check_inner)
@@ -1154,8 +1095,7 @@ static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev,
spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria);
- if (is_egress &&
- !is_valid_spec(dev->mdev, spec, &flow_act, is_egress)) {
+ if (is_egress) {
err = -EINVAL;
goto free;
}
@@ -1740,149 +1680,6 @@ static struct mlx5_ib_flow_handler *raw_fs_rule_add(
return ERR_PTR(err);
}
-static u32 mlx5_ib_flow_action_flags_to_accel_xfrm_flags(u32 mlx5_flags)
-{
- u32 flags = 0;
-
- if (mlx5_flags & MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA)
- flags |= MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA;
-
- return flags;
-}
-
-#define MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED \
- MLX5_IB_UAPI_FLOW_ACTION_FLAGS_REQUIRE_METADATA
-static struct ib_flow_action *
-mlx5_ib_create_flow_action_esp(struct ib_device *device,
- const struct ib_flow_action_attrs_esp *attr,
- struct uverbs_attr_bundle *attrs)
-{
- struct mlx5_ib_dev *mdev = to_mdev(device);
- struct ib_uverbs_flow_action_esp_keymat_aes_gcm *aes_gcm;
- struct mlx5_accel_esp_xfrm_attrs accel_attrs = {};
- struct mlx5_ib_flow_action *action;
- u64 action_flags;
- u64 flags;
- int err = 0;
-
- err = uverbs_get_flags64(
- &action_flags, attrs, MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS,
- ((MLX5_FLOW_ACTION_ESP_CREATE_LAST_SUPPORTED << 1) - 1));
- if (err)
- return ERR_PTR(err);
-
- flags = mlx5_ib_flow_action_flags_to_accel_xfrm_flags(action_flags);
-
- /* We current only support a subset of the standard features. Only a
- * keymat of type AES_GCM, with icv_len == 16, iv_algo == SEQ and esn
- * (with overlap). Full offload mode isn't supported.
- */
- if (!attr->keymat || attr->replay || attr->encap ||
- attr->spi || attr->seq || attr->tfc_pad ||
- attr->hard_limit_pkts ||
- (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED |
- IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT)))
- return ERR_PTR(-EOPNOTSUPP);
-
- if (attr->keymat->protocol !=
- IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM)
- return ERR_PTR(-EOPNOTSUPP);
-
- aes_gcm = &attr->keymat->keymat.aes_gcm;
-
- if (aes_gcm->icv_len != 16 ||
- aes_gcm->iv_algo != IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ)
- return ERR_PTR(-EOPNOTSUPP);
-
- action = kmalloc(sizeof(*action), GFP_KERNEL);
- if (!action)
- return ERR_PTR(-ENOMEM);
-
- action->esp_aes_gcm.ib_flags = attr->flags;
- memcpy(&accel_attrs.keymat.aes_gcm.aes_key, &aes_gcm->aes_key,
- sizeof(accel_attrs.keymat.aes_gcm.aes_key));
- accel_attrs.keymat.aes_gcm.key_len = aes_gcm->key_len * 8;
- memcpy(&accel_attrs.keymat.aes_gcm.salt, &aes_gcm->salt,
- sizeof(accel_attrs.keymat.aes_gcm.salt));
- memcpy(&accel_attrs.keymat.aes_gcm.seq_iv, &aes_gcm->iv,
- sizeof(accel_attrs.keymat.aes_gcm.seq_iv));
- accel_attrs.keymat.aes_gcm.icv_len = aes_gcm->icv_len * 8;
- accel_attrs.keymat.aes_gcm.iv_algo = MLX5_ACCEL_ESP_AES_GCM_IV_ALGO_SEQ;
- accel_attrs.keymat_type = MLX5_ACCEL_ESP_KEYMAT_AES_GCM;
-
- accel_attrs.esn = attr->esn;
- if (attr->flags & IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED)
- accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_TRIGGERED;
- if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)
- accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP;
-
- if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ENCRYPT)
- accel_attrs.action |= MLX5_ACCEL_ESP_ACTION_ENCRYPT;
-
- action->esp_aes_gcm.ctx =
- mlx5_accel_esp_create_xfrm(mdev->mdev, &accel_attrs, flags);
- if (IS_ERR(action->esp_aes_gcm.ctx)) {
- err = PTR_ERR(action->esp_aes_gcm.ctx);
- goto err_parse;
- }
-
- action->esp_aes_gcm.ib_flags = attr->flags;
-
- return &action->ib_action;
-
-err_parse:
- kfree(action);
- return ERR_PTR(err);
-}
-
-static int
-mlx5_ib_modify_flow_action_esp(struct ib_flow_action *action,
- const struct ib_flow_action_attrs_esp *attr,
- struct uverbs_attr_bundle *attrs)
-{
- struct mlx5_ib_flow_action *maction = to_mflow_act(action);
- struct mlx5_accel_esp_xfrm_attrs accel_attrs;
- int err = 0;
-
- if (attr->keymat || attr->replay || attr->encap ||
- attr->spi || attr->seq || attr->tfc_pad ||
- attr->hard_limit_pkts ||
- (attr->flags & ~(IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED |
- IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS |
- IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)))
- return -EOPNOTSUPP;
-
- /* Only the ESN value or the MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP can
- * be modified.
- */
- if (!(maction->esp_aes_gcm.ib_flags &
- IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED) &&
- attr->flags & (IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED |
- IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW))
- return -EINVAL;
-
- memcpy(&accel_attrs, &maction->esp_aes_gcm.ctx->attrs,
- sizeof(accel_attrs));
-
- accel_attrs.esn = attr->esn;
- if (attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW)
- accel_attrs.flags |= MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP;
- else
- accel_attrs.flags &= ~MLX5_ACCEL_ESP_FLAGS_ESN_STATE_OVERLAP;
-
- err = mlx5_accel_esp_modify_xfrm(maction->esp_aes_gcm.ctx,
- &accel_attrs);
- if (err)
- return err;
-
- maction->esp_aes_gcm.ib_flags &=
- ~IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW;
- maction->esp_aes_gcm.ib_flags |=
- attr->flags & IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW;
-
- return 0;
-}
-
static void destroy_flow_action_raw(struct mlx5_ib_flow_action *maction)
{
switch (maction->flow_action_raw.sub_type) {
@@ -1906,13 +1703,6 @@ static int mlx5_ib_destroy_flow_action(struct ib_flow_action *action)
struct mlx5_ib_flow_action *maction = to_mflow_act(action);
switch (action->type) {
- case IB_FLOW_ACTION_ESP:
- /*
- * We only support aes_gcm by now, so we implicitly know this is
- * the underline crypto.
- */
- mlx5_accel_esp_destroy_xfrm(maction->esp_aes_gcm.ctx);
- break;
case IB_FLOW_ACTION_UNSPECIFIED:
destroy_flow_action_raw(maction);
break;
@@ -2709,11 +2499,6 @@ static const struct ib_device_ops flow_ops = {
.destroy_flow_action = mlx5_ib_destroy_flow_action,
};
-static const struct ib_device_ops flow_ipsec_ops = {
- .create_flow_action_esp = mlx5_ib_create_flow_action_esp,
- .modify_flow_action_esp = mlx5_ib_modify_flow_action_esp,
-};
-
int mlx5_ib_fs_init(struct mlx5_ib_dev *dev)
{
dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL);
@@ -2724,9 +2509,5 @@ int mlx5_ib_fs_init(struct mlx5_ib_dev *dev)
mutex_init(&dev->flow_db->lock);
ib_set_device_ops(&dev->ib_dev, &flow_ops);
- if (mlx5_accel_ipsec_device_caps(dev->mdev) &
- MLX5_ACCEL_IPSEC_CAP_DEVICE)
- ib_set_device_ops(&dev->ib_dev, &flow_ipsec_ops);
-
return 0;
}
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 4a9629c01cf1..d58115daaa32 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -42,7 +42,6 @@
#include "restrack.h"
#include "counters.h"
#include "umr.h"
-#include <linux/mlx5/accel.h>
#include <rdma/uverbs_std_types.h>
#include <rdma/uverbs_ioctl.h>
#include <rdma/mlx5_user_ioctl_verbs.h>
@@ -907,10 +906,6 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
MLX5_RX_HASH_SRC_PORT_UDP |
MLX5_RX_HASH_DST_PORT_UDP |
MLX5_RX_HASH_INNER;
- if (mlx5_accel_ipsec_device_caps(dev->mdev) &
- MLX5_ACCEL_IPSEC_CAP_DEVICE)
- resp.rss_caps.rx_hash_fields_mask |=
- MLX5_RX_HASH_IPSEC_SPI;
resp.response_length += sizeof(resp.rss_caps);
}
} else {
@@ -1792,19 +1787,6 @@ static int set_ucontext_resp(struct ib_ucontext *uctx,
resp->num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ?
MLX5_CAP_GEN(dev->mdev,
num_of_uars_per_page) : 1;
-
- if (mlx5_accel_ipsec_device_caps(dev->mdev) &
- MLX5_ACCEL_IPSEC_CAP_DEVICE) {
- if (mlx5_get_flow_namespace(dev->mdev,
- MLX5_FLOW_NAMESPACE_EGRESS))
- resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM;
- if (MLX5_CAP_FLOWTABLE(dev->mdev, flow_table_properties_nic_receive.ft_field_support.outer_esp_spi))
- resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_SPI_STEERING;
- if (mlx5_accel_ipsec_device_caps(dev->mdev) &
- MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN)
- resp->flow_action_flags |= MLX5_USER_ALLOC_UCONTEXT_FLOW_ACTION_FLAGS_ESP_AES_GCM_TX_IV_IS_ESN;
- }
-
resp->tot_bfregs = bfregi->lib_uar_dyn ? 0 :
bfregi->total_num_bfregs - bfregi->num_dyn_bfregs;
resp->num_ports = dev->num_ports;
@@ -3601,13 +3583,6 @@ DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_UAR,
&UVERBS_METHOD(MLX5_IB_METHOD_UAR_OBJ_ALLOC),
&UVERBS_METHOD(MLX5_IB_METHOD_UAR_OBJ_DESTROY));
-ADD_UVERBS_ATTRIBUTES_SIMPLE(
- mlx5_ib_flow_action,
- UVERBS_OBJECT_FLOW_ACTION,
- UVERBS_METHOD_FLOW_ACTION_ESP_CREATE,
- UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_CREATE_FLOW_ACTION_FLAGS,
- enum mlx5_ib_uapi_flow_action_flags));
-
ADD_UVERBS_ATTRIBUTES_SIMPLE(
mlx5_ib_query_context,
UVERBS_OBJECT_DEVICE,
@@ -3625,8 +3600,6 @@ static const struct uapi_definition mlx5_ib_defs[] = {
UAPI_DEF_CHAIN(mlx5_ib_std_types_defs),
UAPI_DEF_CHAIN(mlx5_ib_dm_defs),
- UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_FLOW_ACTION,
- &mlx5_ib_flow_action),
UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_DEVICE, &mlx5_ib_query_context),
UAPI_DEF_CHAIN_OBJ_TREE_NAMED(MLX5_IB_OBJECT_VAR,
UAPI_DEF_IS_OBJ_SUPPORTED(var_is_supported)),
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
index 45296ec2d055..387be13b2f1f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
@@ -133,8 +133,7 @@ void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context)
struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs,
- u32 flags)
+ const struct mlx5_accel_esp_xfrm_attrs *attrs)
{
const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
struct mlx5_accel_esp_xfrm *xfrm;
@@ -142,7 +141,7 @@ mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
if (!ipsec_ops || !ipsec_ops->esp_create_xfrm)
return ERR_PTR(-EOPNOTSUPP);
- xfrm = ipsec_ops->esp_create_xfrm(mdev, attrs, flags);
+ xfrm = ipsec_ops->esp_create_xfrm(mdev, attrs, 0);
if (IS_ERR(xfrm))
return xfrm;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 13f6fed74950..f6e3b549424f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -333,9 +333,7 @@ static int mlx5e_xfrm_add_state(struct xfrm_state *x)
/* create xfrm */
mlx5e_ipsec_build_accel_xfrm_attrs(sa_entry, &attrs);
- sa_entry->xfrm =
- mlx5_accel_esp_create_xfrm(priv->mdev, &attrs,
- MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA);
+ sa_entry->xfrm = mlx5_accel_esp_create_xfrm(priv->mdev, &attrs);
if (IS_ERR(sa_entry->xfrm)) {
err = PTR_ERR(sa_entry->xfrm);
goto err_sa_entry;
diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index dacf69516002..af67d51308cf 100644
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -111,10 +111,6 @@ struct mlx5_accel_esp_xfrm {
struct mlx5_accel_esp_xfrm_attrs attrs;
};
-enum {
- MLX5_ACCEL_XFRM_FLAG_REQUIRE_METADATA = 1UL << 0,
-};
-
enum mlx5_accel_ipsec_cap {
MLX5_ACCEL_IPSEC_CAP_DEVICE = 1 << 0,
MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA = 1 << 1,
@@ -132,8 +128,7 @@ u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev);
struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs,
- u32 flags);
+ const struct mlx5_accel_esp_xfrm_attrs *attrs);
void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm);
int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
const struct mlx5_accel_esp_xfrm_attrs *attrs);
@@ -144,8 +139,10 @@ static inline u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev) { ret
static inline struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs,
- u32 flags) { return ERR_PTR(-EOPNOTSUPP); }
+ const struct mlx5_accel_esp_xfrm_attrs *attrs)
+{
+ return ERR_PTR(-EOPNOTSUPP);
+}
static inline void
mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm) {}
static inline int
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 08/17] RDMA/core: Delete IPsec flow action logic from the core
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (6 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 07/17] RDMA/mlx5: Drop crypto flow steering API Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-07 16:03 ` Jason Gunthorpe
2022-04-06 8:25 ` [PATCH mlx5-next 09/17] net/mlx5: Remove ipsec vs. ipsec offload file separation Leon Romanovsky
` (9 subsequent siblings)
17 siblings, 1 reply; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
The removal of mlx5 flow steering logic, left the kernel without any RDMA
drivers that implements flow action callbacks supplied by RDMA/core. Any
user access to them caused to EOPNOTSUPP error, which can be achieved by
simply removing ioctl implementation.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/infiniband/core/device.c | 2 -
.../core/uverbs_std_types_flow_action.c | 383 +-----------------
include/rdma/ib_verbs.h | 8 -
3 files changed, 1 insertion(+), 392 deletions(-)
diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c
index a311df07b1bd..4deb60a3b43f 100644
--- a/drivers/infiniband/core/device.c
+++ b/drivers/infiniband/core/device.c
@@ -2613,7 +2613,6 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_DEVICE_OP(dev_ops, create_counters);
SET_DEVICE_OP(dev_ops, create_cq);
SET_DEVICE_OP(dev_ops, create_flow);
- SET_DEVICE_OP(dev_ops, create_flow_action_esp);
SET_DEVICE_OP(dev_ops, create_qp);
SET_DEVICE_OP(dev_ops, create_rwq_ind_table);
SET_DEVICE_OP(dev_ops, create_srq);
@@ -2676,7 +2675,6 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_DEVICE_OP(dev_ops, modify_ah);
SET_DEVICE_OP(dev_ops, modify_cq);
SET_DEVICE_OP(dev_ops, modify_device);
- SET_DEVICE_OP(dev_ops, modify_flow_action_esp);
SET_DEVICE_OP(dev_ops, modify_hw_stat);
SET_DEVICE_OP(dev_ops, modify_port);
SET_DEVICE_OP(dev_ops, modify_qp);
diff --git a/drivers/infiniband/core/uverbs_std_types_flow_action.c b/drivers/infiniband/core/uverbs_std_types_flow_action.c
index d42ed7ff223e..0ddcf6da66c4 100644
--- a/drivers/infiniband/core/uverbs_std_types_flow_action.c
+++ b/drivers/infiniband/core/uverbs_std_types_flow_action.c
@@ -46,385 +46,6 @@ static int uverbs_free_flow_action(struct ib_uobject *uobject,
return action->device->ops.destroy_flow_action(action);
}
-static u64 esp_flags_uverbs_to_verbs(struct uverbs_attr_bundle *attrs,
- u32 flags, bool is_modify)
-{
- u64 verbs_flags = flags;
-
- if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_ESN))
- verbs_flags |= IB_FLOW_ACTION_ESP_FLAGS_ESN_TRIGGERED;
-
- if (is_modify && uverbs_attr_is_valid(attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS))
- verbs_flags |= IB_FLOW_ACTION_ESP_FLAGS_MOD_ESP_ATTRS;
-
- return verbs_flags;
-};
-
-static int validate_flow_action_esp_keymat_aes_gcm(struct ib_flow_action_attrs_esp_keymats *keymat)
-{
- struct ib_uverbs_flow_action_esp_keymat_aes_gcm *aes_gcm =
- &keymat->keymat.aes_gcm;
-
- if (aes_gcm->iv_algo > IB_UVERBS_FLOW_ACTION_IV_ALGO_SEQ)
- return -EOPNOTSUPP;
-
- if (aes_gcm->key_len != 32 &&
- aes_gcm->key_len != 24 &&
- aes_gcm->key_len != 16)
- return -EINVAL;
-
- if (aes_gcm->icv_len != 16 &&
- aes_gcm->icv_len != 8 &&
- aes_gcm->icv_len != 12)
- return -EINVAL;
-
- return 0;
-}
-
-static int (* const flow_action_esp_keymat_validate[])(struct ib_flow_action_attrs_esp_keymats *keymat) = {
- [IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM] = validate_flow_action_esp_keymat_aes_gcm,
-};
-
-static int flow_action_esp_replay_none(struct ib_flow_action_attrs_esp_replays *replay,
- bool is_modify)
-{
- /* This is used in order to modify an esp flow action with an enabled
- * replay protection to a disabled one. This is only supported via
- * modify, as in create verb we can simply drop the REPLAY attribute and
- * achieve the same thing.
- */
- return is_modify ? 0 : -EINVAL;
-}
-
-static int flow_action_esp_replay_def_ok(struct ib_flow_action_attrs_esp_replays *replay,
- bool is_modify)
-{
- /* Some replay protections could always be enabled without validating
- * anything.
- */
- return 0;
-}
-
-static int (* const flow_action_esp_replay_validate[])(struct ib_flow_action_attrs_esp_replays *replay,
- bool is_modify) = {
- [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE] = flow_action_esp_replay_none,
- [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP] = flow_action_esp_replay_def_ok,
-};
-
-static int parse_esp_ip(enum ib_flow_spec_type proto,
- const void __user *val_ptr,
- size_t len, union ib_flow_spec *out)
-{
- int ret;
- const struct ib_uverbs_flow_ipv4_filter ipv4 = {
- .src_ip = cpu_to_be32(0xffffffffUL),
- .dst_ip = cpu_to_be32(0xffffffffUL),
- .proto = 0xff,
- .tos = 0xff,
- .ttl = 0xff,
- .flags = 0xff,
- };
- const struct ib_uverbs_flow_ipv6_filter ipv6 = {
- .src_ip = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
- .dst_ip = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
- 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff},
- .flow_label = cpu_to_be32(0xffffffffUL),
- .next_hdr = 0xff,
- .traffic_class = 0xff,
- .hop_limit = 0xff,
- };
- union {
- struct ib_uverbs_flow_ipv4_filter ipv4;
- struct ib_uverbs_flow_ipv6_filter ipv6;
- } user_val = {};
- const void *user_pmask;
- size_t val_len;
-
- /* If the flow IPv4/IPv6 flow specifications are extended, the mask
- * should be changed as well.
- */
- BUILD_BUG_ON(offsetof(struct ib_uverbs_flow_ipv4_filter, flags) +
- sizeof(ipv4.flags) != sizeof(ipv4));
- BUILD_BUG_ON(offsetof(struct ib_uverbs_flow_ipv6_filter, reserved) +
- sizeof(ipv6.reserved) != sizeof(ipv6));
-
- switch (proto) {
- case IB_FLOW_SPEC_IPV4:
- if (len > sizeof(user_val.ipv4) &&
- !ib_is_buffer_cleared(val_ptr + sizeof(user_val.ipv4),
- len - sizeof(user_val.ipv4)))
- return -EOPNOTSUPP;
-
- val_len = min_t(size_t, len, sizeof(user_val.ipv4));
- ret = copy_from_user(&user_val.ipv4, val_ptr,
- val_len);
- if (ret)
- return -EFAULT;
-
- user_pmask = &ipv4;
- break;
- case IB_FLOW_SPEC_IPV6:
- if (len > sizeof(user_val.ipv6) &&
- !ib_is_buffer_cleared(val_ptr + sizeof(user_val.ipv6),
- len - sizeof(user_val.ipv6)))
- return -EOPNOTSUPP;
-
- val_len = min_t(size_t, len, sizeof(user_val.ipv6));
- ret = copy_from_user(&user_val.ipv6, val_ptr,
- val_len);
- if (ret)
- return -EFAULT;
-
- user_pmask = &ipv6;
- break;
- default:
- return -EOPNOTSUPP;
- }
-
- return ib_uverbs_kern_spec_to_ib_spec_filter(proto, user_pmask,
- &user_val,
- val_len, out);
-}
-
-static int flow_action_esp_get_encap(struct ib_flow_spec_list *out,
- struct uverbs_attr_bundle *attrs)
-{
- struct ib_uverbs_flow_action_esp_encap uverbs_encap;
- int ret;
-
- ret = uverbs_copy_from(&uverbs_encap, attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP);
- if (ret)
- return ret;
-
- /* We currently support only one encap */
- if (uverbs_encap.next_ptr)
- return -EOPNOTSUPP;
-
- if (uverbs_encap.type != IB_FLOW_SPEC_IPV4 &&
- uverbs_encap.type != IB_FLOW_SPEC_IPV6)
- return -EOPNOTSUPP;
-
- return parse_esp_ip(uverbs_encap.type,
- u64_to_user_ptr(uverbs_encap.val_ptr),
- uverbs_encap.len,
- &out->spec);
-}
-
-struct ib_flow_action_esp_attr {
- struct ib_flow_action_attrs_esp hdr;
- struct ib_flow_action_attrs_esp_keymats keymat;
- struct ib_flow_action_attrs_esp_replays replay;
- /* We currently support only one spec */
- struct ib_flow_spec_list encap;
-};
-
-#define ESP_LAST_SUPPORTED_FLAG IB_UVERBS_FLOW_ACTION_ESP_FLAGS_ESN_NEW_WINDOW
-static int parse_flow_action_esp(struct ib_device *ib_dev,
- struct uverbs_attr_bundle *attrs,
- struct ib_flow_action_esp_attr *esp_attr,
- bool is_modify)
-{
- struct ib_uverbs_flow_action_esp uverbs_esp = {};
- int ret;
-
- /* Optional param, if it doesn't exist, we get -ENOENT and skip it */
- ret = uverbs_copy_from(&esp_attr->hdr.esn, attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_ESN);
- if (IS_UVERBS_COPY_ERR(ret))
- return ret;
-
- /* This can be called from FLOW_ACTION_ESP_MODIFY where
- * UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS is optional
- */
- if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS)) {
- ret = uverbs_copy_from_or_zero(&uverbs_esp, attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS);
- if (ret)
- return ret;
-
- if (uverbs_esp.flags & ~((ESP_LAST_SUPPORTED_FLAG << 1) - 1))
- return -EOPNOTSUPP;
-
- esp_attr->hdr.spi = uverbs_esp.spi;
- esp_attr->hdr.seq = uverbs_esp.seq;
- esp_attr->hdr.tfc_pad = uverbs_esp.tfc_pad;
- esp_attr->hdr.hard_limit_pkts = uverbs_esp.hard_limit_pkts;
- }
- esp_attr->hdr.flags = esp_flags_uverbs_to_verbs(attrs, uverbs_esp.flags,
- is_modify);
-
- if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT)) {
- esp_attr->keymat.protocol =
- uverbs_attr_get_enum_id(attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT);
- ret = uverbs_copy_from_or_zero(&esp_attr->keymat.keymat,
- attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT);
- if (ret)
- return ret;
-
- ret = flow_action_esp_keymat_validate[esp_attr->keymat.protocol](&esp_attr->keymat);
- if (ret)
- return ret;
-
- esp_attr->hdr.keymat = &esp_attr->keymat;
- }
-
- if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY)) {
- esp_attr->replay.protocol =
- uverbs_attr_get_enum_id(attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY);
-
- ret = uverbs_copy_from_or_zero(&esp_attr->replay.replay,
- attrs,
- UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY);
- if (ret)
- return ret;
-
- ret = flow_action_esp_replay_validate[esp_attr->replay.protocol](&esp_attr->replay,
- is_modify);
- if (ret)
- return ret;
-
- esp_attr->hdr.replay = &esp_attr->replay;
- }
-
- if (uverbs_attr_is_valid(attrs, UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP)) {
- ret = flow_action_esp_get_encap(&esp_attr->encap, attrs);
- if (ret)
- return ret;
-
- esp_attr->hdr.encap = &esp_attr->encap;
- }
-
- return 0;
-}
-
-static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE)(
- struct uverbs_attr_bundle *attrs)
-{
- struct ib_uobject *uobj = uverbs_attr_get_uobject(
- attrs, UVERBS_ATTR_CREATE_FLOW_ACTION_ESP_HANDLE);
- struct ib_device *ib_dev = attrs->context->device;
- int ret;
- struct ib_flow_action *action;
- struct ib_flow_action_esp_attr esp_attr = {};
-
- if (!ib_dev->ops.create_flow_action_esp)
- return -EOPNOTSUPP;
-
- ret = parse_flow_action_esp(ib_dev, attrs, &esp_attr, false);
- if (ret)
- return ret;
-
- /* No need to check as this attribute is marked as MANDATORY */
- action = ib_dev->ops.create_flow_action_esp(ib_dev, &esp_attr.hdr,
- attrs);
- if (IS_ERR(action))
- return PTR_ERR(action);
-
- uverbs_flow_action_fill_action(action, uobj, ib_dev,
- IB_FLOW_ACTION_ESP);
-
- return 0;
-}
-
-static int UVERBS_HANDLER(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY)(
- struct uverbs_attr_bundle *attrs)
-{
- struct ib_uobject *uobj = uverbs_attr_get_uobject(
- attrs, UVERBS_ATTR_MODIFY_FLOW_ACTION_ESP_HANDLE);
- struct ib_flow_action *action = uobj->object;
- int ret;
- struct ib_flow_action_esp_attr esp_attr = {};
-
- if (!action->device->ops.modify_flow_action_esp)
- return -EOPNOTSUPP;
-
- ret = parse_flow_action_esp(action->device, attrs, &esp_attr, true);
- if (ret)
- return ret;
-
- if (action->type != IB_FLOW_ACTION_ESP)
- return -EINVAL;
-
- return action->device->ops.modify_flow_action_esp(action,
- &esp_attr.hdr,
- attrs);
-}
-
-static const struct uverbs_attr_spec uverbs_flow_action_esp_keymat[] = {
- [IB_UVERBS_FLOW_ACTION_ESP_KEYMAT_AES_GCM] = {
- .type = UVERBS_ATTR_TYPE_PTR_IN,
- UVERBS_ATTR_STRUCT(
- struct ib_uverbs_flow_action_esp_keymat_aes_gcm,
- aes_key),
- },
-};
-
-static const struct uverbs_attr_spec uverbs_flow_action_esp_replay[] = {
- [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_NONE] = {
- .type = UVERBS_ATTR_TYPE_PTR_IN,
- UVERBS_ATTR_NO_DATA(),
- },
- [IB_UVERBS_FLOW_ACTION_ESP_REPLAY_BMP] = {
- .type = UVERBS_ATTR_TYPE_PTR_IN,
- UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp_replay_bmp,
- size),
- },
-};
-
-DECLARE_UVERBS_NAMED_METHOD(
- UVERBS_METHOD_FLOW_ACTION_ESP_CREATE,
- UVERBS_ATTR_IDR(UVERBS_ATTR_CREATE_FLOW_ACTION_ESP_HANDLE,
- UVERBS_OBJECT_FLOW_ACTION,
- UVERBS_ACCESS_NEW,
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS,
- UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp,
- hard_limit_pkts),
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ESN,
- UVERBS_ATTR_TYPE(__u32),
- UA_OPTIONAL),
- UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT,
- uverbs_flow_action_esp_keymat,
- UA_MANDATORY),
- UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY,
- uverbs_flow_action_esp_replay,
- UA_OPTIONAL),
- UVERBS_ATTR_PTR_IN(
- UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP,
- UVERBS_ATTR_TYPE(struct ib_uverbs_flow_action_esp_encap),
- UA_OPTIONAL));
-
-DECLARE_UVERBS_NAMED_METHOD(
- UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY,
- UVERBS_ATTR_IDR(UVERBS_ATTR_MODIFY_FLOW_ACTION_ESP_HANDLE,
- UVERBS_OBJECT_FLOW_ACTION,
- UVERBS_ACCESS_WRITE,
- UA_MANDATORY),
- UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ATTRS,
- UVERBS_ATTR_STRUCT(struct ib_uverbs_flow_action_esp,
- hard_limit_pkts),
- UA_OPTIONAL),
- UVERBS_ATTR_PTR_IN(UVERBS_ATTR_FLOW_ACTION_ESP_ESN,
- UVERBS_ATTR_TYPE(__u32),
- UA_OPTIONAL),
- UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_KEYMAT,
- uverbs_flow_action_esp_keymat,
- UA_OPTIONAL),
- UVERBS_ATTR_ENUM_IN(UVERBS_ATTR_FLOW_ACTION_ESP_REPLAY,
- uverbs_flow_action_esp_replay,
- UA_OPTIONAL),
- UVERBS_ATTR_PTR_IN(
- UVERBS_ATTR_FLOW_ACTION_ESP_ENCAP,
- UVERBS_ATTR_TYPE(struct ib_uverbs_flow_action_esp_encap),
- UA_OPTIONAL));
-
DECLARE_UVERBS_NAMED_METHOD_DESTROY(
UVERBS_METHOD_FLOW_ACTION_DESTROY,
UVERBS_ATTR_IDR(UVERBS_ATTR_DESTROY_FLOW_ACTION_HANDLE,
@@ -435,9 +56,7 @@ DECLARE_UVERBS_NAMED_METHOD_DESTROY(
DECLARE_UVERBS_NAMED_OBJECT(
UVERBS_OBJECT_FLOW_ACTION,
UVERBS_TYPE_ALLOC_IDR(uverbs_free_flow_action),
- &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_ESP_CREATE),
- &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_DESTROY),
- &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_ESP_MODIFY));
+ &UVERBS_METHOD(UVERBS_METHOD_FLOW_ACTION_DESTROY));
const struct uapi_definition uverbs_def_obj_flow_action[] = {
UAPI_DEF_CHAIN_OBJ_TREE_NAMED(
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index ada4a5226dbd..f9b99c41965f 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2529,15 +2529,7 @@ struct ib_device_ops {
struct ib_flow_attr *flow_attr,
struct ib_udata *udata);
int (*destroy_flow)(struct ib_flow *flow_id);
- struct ib_flow_action *(*create_flow_action_esp)(
- struct ib_device *device,
- const struct ib_flow_action_attrs_esp *attr,
- struct uverbs_attr_bundle *attrs);
int (*destroy_flow_action)(struct ib_flow_action *action);
- int (*modify_flow_action_esp)(
- struct ib_flow_action *action,
- const struct ib_flow_action_attrs_esp *attr,
- struct uverbs_attr_bundle *attrs);
int (*set_vf_link_state)(struct ib_device *device, int vf, u32 port,
int state);
int (*get_vf_config)(struct ib_device *device, int vf, u32 port,
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* Re: [PATCH mlx5-next 08/17] RDMA/core: Delete IPsec flow action logic from the core
2022-04-06 8:25 ` [PATCH mlx5-next 08/17] RDMA/core: Delete IPsec flow action logic from the core Leon Romanovsky
@ 2022-04-07 16:03 ` Jason Gunthorpe
0 siblings, 0 replies; 20+ messages in thread
From: Jason Gunthorpe @ 2022-04-07 16:03 UTC (permalink / raw)
To: Leon Romanovsky
Cc: Jakub Kicinski, Paolo Abeni, Saeed Mahameed, Leon Romanovsky,
linux-kernel, linux-rdma, netdev, Raed Salem
On Wed, Apr 06, 2022 at 11:25:43AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
>
> The removal of mlx5 flow steering logic, left the kernel without any RDMA
> drivers that implements flow action callbacks supplied by RDMA/core. Any
> user access to them caused to EOPNOTSUPP error, which can be achieved by
> simply removing ioctl implementation.
>
> Reviewed-by: Raed Salem <raeds@nvidia.com>
> Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
> ---
> drivers/infiniband/core/device.c | 2 -
> .../core/uverbs_std_types_flow_action.c | 383 +-----------------
> include/rdma/ib_verbs.h | 8 -
> 3 files changed, 1 insertion(+), 392 deletions(-)
Acked-by: Jason Gunthorpe <jgg@nvidia.com>
Jason
^ permalink raw reply [flat|nested] 20+ messages in thread
* [PATCH mlx5-next 09/17] net/mlx5: Remove ipsec vs. ipsec offload file separation
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (7 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 08/17] RDMA/core: Delete IPsec flow action logic from the core Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 10/17] net/mlx5: Remove useless IPsec device checks Leon Romanovsky
` (8 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
The IPsec won't be initialized at all if device doesn't support IPsec
offload. It means that we can combine the ipsec.c and ipsec_offload.c
files to one file. Such change will allow us to remove ipsec_ops
indirection.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../net/ethernet/mellanox/mlx5/core/Makefile | 2 +-
.../ethernet/mellanox/mlx5/core/accel/ipsec.c | 174 ------------------
.../ethernet/mellanox/mlx5/core/accel/ipsec.h | 96 ----------
.../mellanox/mlx5/core/accel/ipsec_offload.c | 145 ++++++++++++++-
.../mellanox/mlx5/core/accel/ipsec_offload.h | 61 +++++-
.../ethernet/mellanox/mlx5/core/en/params.c | 2 +-
.../mellanox/mlx5/core/en_accel/ipsec.h | 2 +-
.../mellanox/mlx5/core/en_accel/ipsec_stats.c | 2 +-
.../net/ethernet/mellanox/mlx5/core/en_main.c | 2 +-
.../net/ethernet/mellanox/mlx5/core/en_rx.c | 2 +-
.../net/ethernet/mellanox/mlx5/core/main.c | 2 +-
11 files changed, 205 insertions(+), 285 deletions(-)
delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
delete mode 100644 drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index e50361656305..ad852703a3cb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -89,7 +89,7 @@ mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib/ipoib.o ipoib/ethtool.o ipoib/ipoib
# Accelerations & FPGA
#
mlx5_core-$(CONFIG_MLX5_IPSEC) += accel/ipsec_offload.o
-mlx5_core-$(CONFIG_MLX5_ACCEL) += lib/crypto.o accel/ipsec.o
+mlx5_core-$(CONFIG_MLX5_ACCEL) += lib/crypto.o
mlx5_core-$(CONFIG_MLX5_FPGA) += fpga/cmd.o fpga/core.o fpga/conn.o fpga/sdk.o
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
deleted file mode 100644
index 387be13b2f1f..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.c
+++ /dev/null
@@ -1,174 +0,0 @@
-/*
- * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#include <linux/mlx5/device.h>
-
-#include "accel/ipsec.h"
-#include "mlx5_core.h"
-#include "accel/ipsec_offload.h"
-
-void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops;
- int err = 0;
-
- ipsec_ops = mlx5_ipsec_offload_ops(mdev);
- if (!ipsec_ops || !ipsec_ops->init) {
- mlx5_core_dbg(mdev, "IPsec ops is not supported\n");
- return;
- }
-
- err = ipsec_ops->init(mdev);
- if (err) {
- mlx5_core_warn_once(mdev, "Failed to start IPsec device, err = %d\n", err);
- return;
- }
-
- mdev->ipsec_ops = ipsec_ops;
-}
-
-void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->cleanup)
- return;
-
- ipsec_ops->cleanup(mdev);
-}
-
-u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->device_caps)
- return 0;
-
- return ipsec_ops->device_caps(mdev);
-}
-EXPORT_SYMBOL_GPL(mlx5_accel_ipsec_device_caps);
-
-unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->counters_count)
- return -EOPNOTSUPP;
-
- return ipsec_ops->counters_count(mdev);
-}
-
-int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
- unsigned int count)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->counters_read)
- return -EOPNOTSUPP;
-
- return ipsec_ops->counters_read(mdev, counters, count);
-}
-
-void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *xfrm,
- u32 *sa_handle)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
- __be32 saddr[4] = {}, daddr[4] = {};
-
- if (!ipsec_ops || !ipsec_ops->create_hw_context)
- return ERR_PTR(-EOPNOTSUPP);
-
- if (!xfrm->attrs.is_ipv6) {
- saddr[3] = xfrm->attrs.saddr.a4;
- daddr[3] = xfrm->attrs.daddr.a4;
- } else {
- memcpy(saddr, xfrm->attrs.saddr.a6, sizeof(saddr));
- memcpy(daddr, xfrm->attrs.daddr.a6, sizeof(daddr));
- }
-
- return ipsec_ops->create_hw_context(mdev, xfrm, saddr, daddr, xfrm->attrs.spi,
- xfrm->attrs.is_ipv6, sa_handle);
-}
-
-void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->free_hw_context)
- return;
-
- ipsec_ops->free_hw_context(context);
-}
-
-struct mlx5_accel_esp_xfrm *
-mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
- struct mlx5_accel_esp_xfrm *xfrm;
-
- if (!ipsec_ops || !ipsec_ops->esp_create_xfrm)
- return ERR_PTR(-EOPNOTSUPP);
-
- xfrm = ipsec_ops->esp_create_xfrm(mdev, attrs, 0);
- if (IS_ERR(xfrm))
- return xfrm;
-
- xfrm->mdev = mdev;
- return xfrm;
-}
-EXPORT_SYMBOL_GPL(mlx5_accel_esp_create_xfrm);
-
-void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->esp_destroy_xfrm)
- return;
-
- ipsec_ops->esp_destroy_xfrm(xfrm);
-}
-EXPORT_SYMBOL_GPL(mlx5_accel_esp_destroy_xfrm);
-
-int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
- const struct mlx5_accel_esp_xfrm_attrs *attrs)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->esp_modify_xfrm)
- return -EOPNOTSUPP;
-
- return ipsec_ops->esp_modify_xfrm(xfrm, attrs);
-}
-EXPORT_SYMBOL_GPL(mlx5_accel_esp_modify_xfrm);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h
deleted file mode 100644
index fbb9c5415d53..000000000000
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec.h
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (c) 2017 Mellanox Technologies. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses. You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- * Redistribution and use in source and binary forms, with or
- * without modification, are permitted provided that the following
- * conditions are met:
- *
- * - Redistributions of source code must retain the above
- * copyright notice, this list of conditions and the following
- * disclaimer.
- *
- * - Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following
- * disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- */
-
-#ifndef __MLX5_ACCEL_IPSEC_H__
-#define __MLX5_ACCEL_IPSEC_H__
-
-#include <linux/mlx5/driver.h>
-#include <linux/mlx5/accel.h>
-
-#ifdef CONFIG_MLX5_ACCEL
-
-#define MLX5_IPSEC_DEV(mdev) (mlx5_accel_ipsec_device_caps(mdev) & \
- MLX5_ACCEL_IPSEC_CAP_DEVICE)
-
-unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev);
-int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
- unsigned int count);
-
-void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *xfrm,
- u32 *sa_handle);
-void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context);
-
-void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev);
-void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev);
-
-struct mlx5_accel_ipsec_ops {
- u32 (*device_caps)(struct mlx5_core_dev *mdev);
- unsigned int (*counters_count)(struct mlx5_core_dev *mdev);
- int (*counters_read)(struct mlx5_core_dev *mdev, u64 *counters, unsigned int count);
- void* (*create_hw_context)(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *xfrm,
- const __be32 saddr[4], const __be32 daddr[4],
- const __be32 spi, bool is_ipv6, u32 *sa_handle);
- void (*free_hw_context)(void *context);
- int (*init)(struct mlx5_core_dev *mdev);
- void (*cleanup)(struct mlx5_core_dev *mdev);
- struct mlx5_accel_esp_xfrm* (*esp_create_xfrm)(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs,
- u32 flags);
- int (*esp_modify_xfrm)(struct mlx5_accel_esp_xfrm *xfrm,
- const struct mlx5_accel_esp_xfrm_attrs *attrs);
- void (*esp_destroy_xfrm)(struct mlx5_accel_esp_xfrm *xfrm);
-};
-
-#else
-
-#define MLX5_IPSEC_DEV(mdev) false
-
-static inline void *
-mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *xfrm,
- u32 *sa_handle)
-{
- return NULL;
-}
-
-static inline void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context) {}
-
-static inline void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev) {}
-
-static inline void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev) {}
-
-#endif /* CONFIG_MLX5_ACCEL */
-
-#endif /* __MLX5_ACCEL_IPSEC_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
index d6667d38e1de..3a85157f9f07 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB
-/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
+/* Copyright (c) 2017, Mellanox Technologies inc. All rights reserved. */
#include "mlx5_core.h"
-#include "ipsec_offload.h"
+#include "accel/ipsec_offload.h"
#include "lib/mlx5.h"
#include "en_accel/ipsec_fs.h"
@@ -376,10 +376,149 @@ static const struct mlx5_accel_ipsec_ops ipsec_offload_ops = {
.esp_modify_xfrm = mlx5_ipsec_offload_esp_modify_xfrm,
};
-const struct mlx5_accel_ipsec_ops *mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev)
+static const struct mlx5_accel_ipsec_ops *
+mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev)
{
if (!mlx5_ipsec_offload_device_caps(mdev))
return NULL;
return &ipsec_offload_ops;
}
+
+void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops;
+ int err = 0;
+
+ ipsec_ops = mlx5_ipsec_offload_ops(mdev);
+ if (!ipsec_ops || !ipsec_ops->init) {
+ mlx5_core_dbg(mdev, "IPsec ops is not supported\n");
+ return;
+ }
+
+ err = ipsec_ops->init(mdev);
+ if (err) {
+ mlx5_core_warn_once(
+ mdev, "Failed to start IPsec device, err = %d\n", err);
+ return;
+ }
+
+ mdev->ipsec_ops = ipsec_ops;
+}
+
+void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->cleanup)
+ return;
+
+ ipsec_ops->cleanup(mdev);
+}
+
+u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->device_caps)
+ return 0;
+
+ return ipsec_ops->device_caps(mdev);
+}
+EXPORT_SYMBOL_GPL(mlx5_accel_ipsec_device_caps);
+
+unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->counters_count)
+ return -EOPNOTSUPP;
+
+ return ipsec_ops->counters_count(mdev);
+}
+
+int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
+ unsigned int count)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->counters_read)
+ return -EOPNOTSUPP;
+
+ return ipsec_ops->counters_read(mdev, counters, count);
+}
+
+void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
+ struct mlx5_accel_esp_xfrm *xfrm,
+ u32 *sa_handle)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+ __be32 saddr[4] = {}, daddr[4] = {};
+
+ if (!ipsec_ops || !ipsec_ops->create_hw_context)
+ return ERR_PTR(-EOPNOTSUPP);
+
+ if (!xfrm->attrs.is_ipv6) {
+ saddr[3] = xfrm->attrs.saddr.a4;
+ daddr[3] = xfrm->attrs.daddr.a4;
+ } else {
+ memcpy(saddr, xfrm->attrs.saddr.a6, sizeof(saddr));
+ memcpy(daddr, xfrm->attrs.daddr.a6, sizeof(daddr));
+ }
+
+ return ipsec_ops->create_hw_context(mdev, xfrm, saddr, daddr,
+ xfrm->attrs.spi,
+ xfrm->attrs.is_ipv6, sa_handle);
+}
+
+void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->free_hw_context)
+ return;
+
+ ipsec_ops->free_hw_context(context);
+}
+
+struct mlx5_accel_esp_xfrm *
+mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
+ const struct mlx5_accel_esp_xfrm_attrs *attrs)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
+ struct mlx5_accel_esp_xfrm *xfrm;
+
+ if (!ipsec_ops || !ipsec_ops->esp_create_xfrm)
+ return ERR_PTR(-EOPNOTSUPP);
+
+ xfrm = ipsec_ops->esp_create_xfrm(mdev, attrs, 0);
+ if (IS_ERR(xfrm))
+ return xfrm;
+
+ xfrm->mdev = mdev;
+ return xfrm;
+}
+EXPORT_SYMBOL_GPL(mlx5_accel_esp_create_xfrm);
+
+void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->esp_destroy_xfrm)
+ return;
+
+ ipsec_ops->esp_destroy_xfrm(xfrm);
+}
+EXPORT_SYMBOL_GPL(mlx5_accel_esp_destroy_xfrm);
+
+int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
+ const struct mlx5_accel_esp_xfrm_attrs *attrs)
+{
+ const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
+
+ if (!ipsec_ops || !ipsec_ops->esp_modify_xfrm)
+ return -EOPNOTSUPP;
+
+ return ipsec_ops->esp_modify_xfrm(xfrm, attrs);
+}
+EXPORT_SYMBOL_GPL(mlx5_accel_esp_modify_xfrm);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
index 970c66d19c1d..4a7d49ed5604 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
@@ -5,11 +5,46 @@
#define __MLX5_IPSEC_OFFLOAD_H__
#include <linux/mlx5/driver.h>
-#include "accel/ipsec.h"
+#include <linux/mlx5/accel.h>
#ifdef CONFIG_MLX5_IPSEC
-const struct mlx5_accel_ipsec_ops *mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev);
+#define MLX5_IPSEC_DEV(mdev) (mlx5_accel_ipsec_device_caps(mdev) & \
+ MLX5_ACCEL_IPSEC_CAP_DEVICE)
+
+unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev);
+int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
+ unsigned int count);
+
+void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
+ struct mlx5_accel_esp_xfrm *xfrm,
+ u32 *sa_handle);
+void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context);
+
+void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev);
+void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev);
+
+struct mlx5_accel_ipsec_ops {
+ u32 (*device_caps)(struct mlx5_core_dev *mdev);
+ unsigned int (*counters_count)(struct mlx5_core_dev *mdev);
+ int (*counters_read)(struct mlx5_core_dev *mdev, u64 *counters,
+ unsigned int count);
+ void *(*create_hw_context)(struct mlx5_core_dev *mdev,
+ struct mlx5_accel_esp_xfrm *xfrm,
+ const __be32 saddr[4], const __be32 daddr[4],
+ const __be32 spi, bool is_ipv6,
+ u32 *sa_handle);
+ void (*free_hw_context)(void *context);
+ int (*init)(struct mlx5_core_dev *mdev);
+ void (*cleanup)(struct mlx5_core_dev *mdev);
+ struct mlx5_accel_esp_xfrm *(*esp_create_xfrm)(
+ struct mlx5_core_dev *mdev,
+ const struct mlx5_accel_esp_xfrm_attrs *attrs, u32 flags);
+ int (*esp_modify_xfrm)(struct mlx5_accel_esp_xfrm *xfrm,
+ const struct mlx5_accel_esp_xfrm_attrs *attrs);
+ void (*esp_destroy_xfrm)(struct mlx5_accel_esp_xfrm *xfrm);
+};
+
static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
{
if (!MLX5_CAP_GEN(mdev, ipsec_offload))
@@ -25,10 +60,26 @@ static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
return MLX5_CAP_IPSEC(mdev, ipsec_crypto_offload) &&
MLX5_CAP_ETH(mdev, insert_trailer);
}
-
#else
-static inline const struct mlx5_accel_ipsec_ops *
-mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev) { return NULL; }
+
+#define MLX5_IPSEC_DEV(mdev) false
+
+static inline void *
+mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
+ struct mlx5_accel_esp_xfrm *xfrm,
+ u32 *sa_handle)
+{
+ return NULL;
+}
+
+static inline void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev,
+ void *context)
+{
+}
+
+static inline void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev) {}
+
+static inline void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev) {}
static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
{
return false;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index ebb12817b795..d2ec0961fe9e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -5,7 +5,7 @@
#include "en/txrx.h"
#include "en/port.h"
#include "en_accel/en_accel.h"
-#include "accel/ipsec.h"
+#include "accel/ipsec_offload.h"
static bool mlx5e_rx_is_xdp(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index ee50052cbcb8..eccc13b1338f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -40,7 +40,7 @@
#include <net/xfrm.h>
#include <linux/idr.h>
-#include "accel/ipsec.h"
+#include "accel/ipsec_offload.h"
#define MLX5E_IPSEC_SADB_RX_BITS 10
#define MLX5E_IPSEC_ESN_SCOPE_MID 0x80000000L
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
index 80886290fd22..87c42df3ee20 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
@@ -35,7 +35,7 @@
#include <net/sock.h>
#include "en.h"
-#include "accel/ipsec.h"
+#include "accel/ipsec_offload.h"
#include "fpga/sdk.h"
#include "en_accel/ipsec.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 83365d04050b..346f7034fec8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -48,7 +48,7 @@
#include "en_accel/ipsec.h"
#include "en_accel/en_accel.h"
#include "en_accel/ktls.h"
-#include "accel/ipsec.h"
+#include "accel/ipsec_offload.h"
#include "lib/vxlan.h"
#include "lib/clock.h"
#include "en/port.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index a180c80e9f68..f85eefaad6ab 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -48,7 +48,7 @@
#include "en_rep.h"
#include "en/rep/tc.h"
#include "ipoib/ipoib.h"
-#include "accel/ipsec.h"
+#include "accel/ipsec_offload.h"
#include "en_accel/ipsec_rxtx.h"
#include "en_accel/ktls_txrx.h"
#include "en/xdp.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 387602bbfecc..8fcbb1032b07 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -62,7 +62,7 @@
#include "lib/mlx5.h"
#include "lib/tout.h"
#include "fpga/core.h"
-#include "accel/ipsec.h"
+#include "accel/ipsec_offload.h"
#include "lib/clock.h"
#include "lib/vxlan.h"
#include "lib/geneve.h"
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 10/17] net/mlx5: Remove useless IPsec device checks
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (8 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 09/17] net/mlx5: Remove ipsec vs. ipsec offload file separation Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 11/17] net/mlx5: Unify device IPsec capabilities check Leon Romanovsky
` (7 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
The mlx5_is_ipsec_device() check was to distinguish ConnectX device
related ops from FPGA, so post removing FPGA IPsec code this check
can be removed as no other device implements it.
It is safe to do it as there is already embedded check of IPsec device
in mlx5_accel_ipsec_device_caps().
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../mellanox/mlx5/core/en_accel/ipsec.c | 10 +----
.../mellanox/mlx5/core/en_accel/ipsec_fs.c | 3 --
.../mellanox/mlx5/core/en_accel/ipsec_rxtx.c | 42 +++++++++----------
3 files changed, 20 insertions(+), 35 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index f6e3b549424f..1391a0c84f16 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -286,9 +286,6 @@ static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x)
static int mlx5e_xfrm_fs_add_rule(struct mlx5e_priv *priv,
struct mlx5e_ipsec_sa_entry *sa_entry)
{
- if (!mlx5_is_ipsec_device(priv->mdev))
- return 0;
-
return mlx5e_accel_ipsec_fs_add_rule(priv, &sa_entry->xfrm->attrs,
sa_entry->ipsec_obj_id,
&sa_entry->ipsec_rule);
@@ -297,9 +294,6 @@ static int mlx5e_xfrm_fs_add_rule(struct mlx5e_priv *priv,
static void mlx5e_xfrm_fs_del_rule(struct mlx5e_priv *priv,
struct mlx5e_ipsec_sa_entry *sa_entry)
{
- if (!mlx5_is_ipsec_device(priv->mdev))
- return;
-
mlx5e_accel_ipsec_fs_del_rule(priv, &sa_entry->xfrm->attrs,
&sa_entry->ipsec_rule);
}
@@ -550,9 +544,7 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv)
return;
}
- if (mlx5_is_ipsec_device(mdev))
- netdev->gso_partial_features |= NETIF_F_GSO_ESP;
-
+ netdev->gso_partial_features |= NETIF_F_GSO_ESP;
mlx5_core_dbg(mdev, "mlx5e: ESP GSO capability turned on\n");
netdev->features |= NETIF_F_GSO_ESP;
netdev->hw_features |= NETIF_F_GSO_ESP;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
index 17da23dff0ed..32093497292f 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
@@ -700,9 +700,6 @@ int mlx5e_accel_ipsec_fs_init(struct mlx5e_priv *priv)
{
int err;
- if (!mlx5_is_ipsec_device(priv->mdev) || !priv->ipsec)
- return -EOPNOTSUPP;
-
err = fs_init_tx(priv);
if (err)
return err;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
index 8e0cf5e65100..08a6dd4b7662 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
@@ -202,16 +202,14 @@ static int mlx5e_ipsec_set_state(struct mlx5e_priv *priv,
ipsec_st->x = x;
ipsec_st->xo = xo;
- if (mlx5_is_ipsec_device(priv->mdev)) {
- aead = x->data;
- alen = crypto_aead_authsize(aead);
- blksize = ALIGN(crypto_aead_blocksize(aead), 4);
- clen = ALIGN(skb->len + 2, blksize);
- plen = max_t(u32, clen - skb->len, 4);
- tailen = plen + alen;
- ipsec_st->plen = plen;
- ipsec_st->tailen = tailen;
- }
+ aead = x->data;
+ alen = crypto_aead_authsize(aead);
+ blksize = ALIGN(crypto_aead_blocksize(aead), 4);
+ clen = ALIGN(skb->len + 2, blksize);
+ plen = max_t(u32, clen - skb->len, 4);
+ tailen = plen + alen;
+ ipsec_st->plen = plen;
+ ipsec_st->tailen = tailen;
return 0;
}
@@ -244,19 +242,17 @@ void mlx5e_ipsec_tx_build_eseg(struct mlx5e_priv *priv, struct sk_buff *skb,
((struct iphdr *)skb_network_header(skb))->protocol :
((struct ipv6hdr *)skb_network_header(skb))->nexthdr;
- if (mlx5_is_ipsec_device(priv->mdev)) {
- eseg->flow_table_metadata |= cpu_to_be32(MLX5_ETH_WQE_FT_META_IPSEC);
- eseg->trailer |= cpu_to_be32(MLX5_ETH_WQE_INSERT_TRAILER);
- encap = x->encap;
- if (!encap) {
- eseg->trailer |= (l3_proto == IPPROTO_ESP) ?
- cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_OUTER_IP_ASSOC) :
- cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_OUTER_L4_ASSOC);
- } else if (encap->encap_type == UDP_ENCAP_ESPINUDP) {
- eseg->trailer |= (l3_proto == IPPROTO_ESP) ?
- cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_INNER_IP_ASSOC) :
- cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_INNER_L4_ASSOC);
- }
+ eseg->flow_table_metadata |= cpu_to_be32(MLX5_ETH_WQE_FT_META_IPSEC);
+ eseg->trailer |= cpu_to_be32(MLX5_ETH_WQE_INSERT_TRAILER);
+ encap = x->encap;
+ if (!encap) {
+ eseg->trailer |= (l3_proto == IPPROTO_ESP) ?
+ cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_OUTER_IP_ASSOC) :
+ cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_OUTER_L4_ASSOC);
+ } else if (encap->encap_type == UDP_ENCAP_ESPINUDP) {
+ eseg->trailer |= (l3_proto == IPPROTO_ESP) ?
+ cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_INNER_IP_ASSOC) :
+ cpu_to_be32(MLX5_ETH_WQE_TRAILER_HDR_INNER_L4_ASSOC);
}
}
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 11/17] net/mlx5: Unify device IPsec capabilities check
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (9 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 10/17] net/mlx5: Remove useless IPsec device checks Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 12/17] net/mlx5: Align flow steering allocation namespace to common style Leon Romanovsky
` (6 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Merge two different function to one in order to provide coherent
picture if the device is IPsec capable or not.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../mellanox/mlx5/core/accel/ipsec_offload.c | 38 +++++++++----------
.../mellanox/mlx5/core/accel/ipsec_offload.h | 26 -------------
.../ethernet/mellanox/mlx5/core/en/params.c | 4 +-
.../mellanox/mlx5/core/en_accel/ipsec.c | 12 +++---
.../net/ethernet/mellanox/mlx5/core/en_main.c | 2 +-
include/linux/mlx5/accel.h | 7 +++-
6 files changed, 32 insertions(+), 57 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
index 3a85157f9f07..9dbebef19ff0 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
@@ -6,9 +6,6 @@
#include "lib/mlx5.h"
#include "en_accel/ipsec_fs.h"
-#define MLX5_IPSEC_DEV_BASIC_CAPS (MLX5_ACCEL_IPSEC_CAP_DEVICE | MLX5_ACCEL_IPSEC_CAP_IPV6 | \
- MLX5_ACCEL_IPSEC_CAP_LSO)
-
struct mlx5_ipsec_sa_ctx {
struct rhash_head hash;
u32 enc_key_id;
@@ -25,17 +22,31 @@ struct mlx5_ipsec_esp_xfrm {
struct mlx5_accel_esp_xfrm accel_xfrm;
};
-static u32 mlx5_ipsec_offload_device_caps(struct mlx5_core_dev *mdev)
+u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev)
{
- u32 caps = MLX5_IPSEC_DEV_BASIC_CAPS;
+ u32 caps;
+
+ if (!MLX5_CAP_GEN(mdev, ipsec_offload))
+ return 0;
+
+ if (!MLX5_CAP_GEN(mdev, log_max_dek))
+ return 0;
+
+ if (!(MLX5_CAP_GEN_64(mdev, general_obj_types) &
+ MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC))
+ return 0;
- if (!mlx5_is_ipsec_device(mdev))
+ if (!MLX5_CAP_IPSEC(mdev, ipsec_crypto_offload) ||
+ !MLX5_CAP_ETH(mdev, insert_trailer))
return 0;
if (!MLX5_CAP_FLOWTABLE_NIC_TX(mdev, ipsec_encrypt) ||
!MLX5_CAP_FLOWTABLE_NIC_RX(mdev, ipsec_decrypt))
return 0;
+ caps = MLX5_ACCEL_IPSEC_CAP_DEVICE | MLX5_ACCEL_IPSEC_CAP_IPV6 |
+ MLX5_ACCEL_IPSEC_CAP_LSO;
+
if (MLX5_CAP_IPSEC(mdev, ipsec_crypto_esp_aes_gcm_128_encrypt) &&
MLX5_CAP_IPSEC(mdev, ipsec_crypto_esp_aes_gcm_128_decrypt))
caps |= MLX5_ACCEL_IPSEC_CAP_ESP;
@@ -52,6 +63,7 @@ static u32 mlx5_ipsec_offload_device_caps(struct mlx5_core_dev *mdev)
WARN_ON_ONCE(MLX5_CAP_IPSEC(mdev, log_max_ipsec_offload) > 24);
return caps;
}
+EXPORT_SYMBOL_GPL(mlx5_ipsec_device_caps);
static int
mlx5_ipsec_offload_esp_validate_xfrm_attrs(struct mlx5_core_dev *mdev,
@@ -367,7 +379,6 @@ static int mlx5_ipsec_offload_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
}
static const struct mlx5_accel_ipsec_ops ipsec_offload_ops = {
- .device_caps = mlx5_ipsec_offload_device_caps,
.create_hw_context = mlx5_ipsec_offload_create_sa_ctx,
.free_hw_context = mlx5_ipsec_offload_delete_sa_ctx,
.init = mlx5_ipsec_offload_init,
@@ -379,7 +390,7 @@ static const struct mlx5_accel_ipsec_ops ipsec_offload_ops = {
static const struct mlx5_accel_ipsec_ops *
mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev)
{
- if (!mlx5_ipsec_offload_device_caps(mdev))
+ if (!mlx5_ipsec_device_caps(mdev))
return NULL;
return &ipsec_offload_ops;
@@ -416,17 +427,6 @@ void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev)
ipsec_ops->cleanup(mdev);
}
-u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->device_caps)
- return 0;
-
- return ipsec_ops->device_caps(mdev);
-}
-EXPORT_SYMBOL_GPL(mlx5_accel_ipsec_device_caps);
-
unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev)
{
const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
index 4a7d49ed5604..3d13e2c136b1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
@@ -9,9 +9,6 @@
#ifdef CONFIG_MLX5_IPSEC
-#define MLX5_IPSEC_DEV(mdev) (mlx5_accel_ipsec_device_caps(mdev) & \
- MLX5_ACCEL_IPSEC_CAP_DEVICE)
-
unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev);
int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
unsigned int count);
@@ -25,7 +22,6 @@ void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev);
void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev);
struct mlx5_accel_ipsec_ops {
- u32 (*device_caps)(struct mlx5_core_dev *mdev);
unsigned int (*counters_count)(struct mlx5_core_dev *mdev);
int (*counters_read)(struct mlx5_core_dev *mdev, u64 *counters,
unsigned int count);
@@ -45,25 +41,8 @@ struct mlx5_accel_ipsec_ops {
void (*esp_destroy_xfrm)(struct mlx5_accel_esp_xfrm *xfrm);
};
-static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
-{
- if (!MLX5_CAP_GEN(mdev, ipsec_offload))
- return false;
-
- if (!MLX5_CAP_GEN(mdev, log_max_dek))
- return false;
-
- if (!(MLX5_CAP_GEN_64(mdev, general_obj_types) &
- MLX5_HCA_CAP_GENERAL_OBJECT_TYPES_IPSEC))
- return false;
-
- return MLX5_CAP_IPSEC(mdev, ipsec_crypto_offload) &&
- MLX5_CAP_ETH(mdev, insert_trailer);
-}
#else
-#define MLX5_IPSEC_DEV(mdev) false
-
static inline void *
mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *xfrm,
@@ -80,10 +59,5 @@ static inline void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev,
static inline void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev) {}
static inline void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev) {}
-static inline bool mlx5_is_ipsec_device(struct mlx5_core_dev *mdev)
-{
- return false;
-}
-
#endif /* CONFIG_MLX5_IPSEC */
#endif /* __MLX5_IPSEC_OFFLOAD_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index d2ec0961fe9e..9f4ae8bc09b9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -689,8 +689,8 @@ void mlx5e_build_sq_param(struct mlx5_core_dev *mdev,
void *wq = MLX5_ADDR_OF(sqc, sqc, wq);
bool allow_swp;
- allow_swp = mlx5_geneve_tx_allowed(mdev) ||
- !!MLX5_IPSEC_DEV(mdev);
+ allow_swp =
+ mlx5_geneve_tx_allowed(mdev) || !!mlx5_ipsec_device_caps(mdev);
mlx5e_build_sq_param_common(mdev, param);
MLX5_SET(wq, wq, log_wq_sz, params->log_sq_size);
MLX5_SET(sqc, sqc, allow_swp, allow_swp);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
index 1391a0c84f16..c280a18ff002 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.c
@@ -226,8 +226,7 @@ static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x)
return -EINVAL;
}
if (x->props.flags & XFRM_STATE_ESN &&
- !(mlx5_accel_ipsec_device_caps(priv->mdev) &
- MLX5_ACCEL_IPSEC_CAP_ESN)) {
+ !(mlx5_ipsec_device_caps(priv->mdev) & MLX5_ACCEL_IPSEC_CAP_ESN)) {
netdev_info(netdev, "Cannot offload ESN xfrm states\n");
return -EINVAL;
}
@@ -275,8 +274,7 @@ static inline int mlx5e_xfrm_validate_state(struct xfrm_state *x)
return -EINVAL;
}
if (x->props.family == AF_INET6 &&
- !(mlx5_accel_ipsec_device_caps(priv->mdev) &
- MLX5_ACCEL_IPSEC_CAP_IPV6)) {
+ !(mlx5_ipsec_device_caps(priv->mdev) & MLX5_ACCEL_IPSEC_CAP_IPV6)) {
netdev_info(netdev, "IPv6 xfrm state offload is not supported by this device\n");
return -EINVAL;
}
@@ -406,7 +404,7 @@ int mlx5e_ipsec_init(struct mlx5e_priv *priv)
{
struct mlx5e_ipsec *ipsec = NULL;
- if (!MLX5_IPSEC_DEV(priv->mdev)) {
+ if (!mlx5_ipsec_device_caps(priv->mdev)) {
netdev_dbg(priv->netdev, "Not an IPSec offload device\n");
return 0;
}
@@ -519,7 +517,7 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv)
struct mlx5_core_dev *mdev = priv->mdev;
struct net_device *netdev = priv->netdev;
- if (!(mlx5_accel_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_ESP) ||
+ if (!(mlx5_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_ESP) ||
!MLX5_CAP_ETH(mdev, swp)) {
mlx5_core_dbg(mdev, "mlx5e: ESP and SWP offload not supported\n");
return;
@@ -538,7 +536,7 @@ void mlx5e_ipsec_build_netdev(struct mlx5e_priv *priv)
netdev->features |= NETIF_F_HW_ESP_TX_CSUM;
netdev->hw_enc_features |= NETIF_F_HW_ESP_TX_CSUM;
- if (!(mlx5_accel_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_LSO) ||
+ if (!(mlx5_ipsec_device_caps(mdev) & MLX5_ACCEL_IPSEC_CAP_LSO) ||
!MLX5_CAP_ETH(mdev, swp_lso)) {
mlx5_core_dbg(mdev, "mlx5e: ESP LSO not supported\n");
return;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 346f7034fec8..6a3a08fd8910 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -1329,7 +1329,7 @@ static int mlx5e_alloc_txqsq(struct mlx5e_channel *c,
INIT_WORK(&sq->recover_work, mlx5e_tx_err_cqe_work);
if (!MLX5_CAP_ETH(mdev, wqe_vlan_insert))
set_bit(MLX5E_SQ_STATE_VLAN_NEED_L2_INLINE, &sq->state);
- if (MLX5_IPSEC_DEV(c->priv->mdev))
+ if (mlx5_ipsec_device_caps(c->priv->mdev))
set_bit(MLX5E_SQ_STATE_IPSEC, &sq->state);
if (param->is_mpw)
set_bit(MLX5E_SQ_STATE_MPWQE, &sq->state);
diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index af67d51308cf..9145e2d37c0e 100644
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -124,7 +124,7 @@ enum mlx5_accel_ipsec_cap {
#ifdef CONFIG_MLX5_ACCEL
-u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev);
+u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev);
struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
@@ -135,7 +135,10 @@ int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
#else
-static inline u32 mlx5_accel_ipsec_device_caps(struct mlx5_core_dev *mdev) { return 0; }
+static inline u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev)
+{
+ return 0;
+}
static inline struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 12/17] net/mlx5: Align flow steering allocation namespace to common style
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (10 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 11/17] net/mlx5: Unify device IPsec capabilities check Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 13/17] net/mlx5: Remove not-needed IPsec config Leon Romanovsky
` (5 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Flow steering is a low level internal driver API, as such it relies on
the callers to check if namespace is supported and not rely on some
compilation flag.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c | 2 --
drivers/net/ethernet/mellanox/mlx5/core/fs_core.c | 6 ------
2 files changed, 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
index a0ac17c3f12f..33e9f86cf7d4 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_cmd.c
@@ -878,9 +878,7 @@ static int mlx5_cmd_modify_header_alloc(struct mlx5_flow_root_namespace *ns,
table_type = FS_FT_NIC_RX;
break;
case MLX5_FLOW_NAMESPACE_EGRESS:
-#ifdef CONFIG_MLX5_IPSEC
case MLX5_FLOW_NAMESPACE_EGRESS_KERNEL:
-#endif
max_actions = MLX5_CAP_FLOWTABLE_NIC_TX(dev, max_modify_header_actions);
table_type = FS_FT_NIC_TX;
break;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
index fe7bdccea301..297e6a468a3e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c
@@ -186,24 +186,18 @@ static struct init_tree_node {
static struct init_tree_node egress_root_fs = {
.type = FS_TYPE_NAMESPACE,
-#ifdef CONFIG_MLX5_IPSEC
.ar_size = 2,
-#else
- .ar_size = 1,
-#endif
.children = (struct init_tree_node[]) {
ADD_PRIO(0, MLX5_BY_PASS_NUM_PRIOS, 0,
FS_CHAINING_CAPS_EGRESS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(MLX5_BY_PASS_NUM_PRIOS,
BY_PASS_PRIO_NUM_LEVELS))),
-#ifdef CONFIG_MLX5_IPSEC
ADD_PRIO(0, KERNEL_TX_MIN_LEVEL, 0,
FS_CHAINING_CAPS_EGRESS,
ADD_NS(MLX5_FLOW_TABLE_MISS_ACTION_DEF,
ADD_MULTIPLE_PRIO(KERNEL_TX_IPSEC_NUM_PRIOS,
KERNEL_TX_IPSEC_NUM_LEVELS))),
-#endif
}
};
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 13/17] net/mlx5: Remove not-needed IPsec config
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (11 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 12/17] net/mlx5: Align flow steering allocation namespace to common style Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 14/17] net/mlx5: Move IPsec file to relevant directory Leon Romanovsky
` (4 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
In current code, the CONFIG_MLX5_IPSEC and CONFIG_MLX5_EN_IPSEC are
the same. So remove useless indirection.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../net/ethernet/mellanox/mlx5/core/Kconfig | 16 +---------------
.../net/ethernet/mellanox/mlx5/core/Makefile | 4 ++--
.../mellanox/mlx5/core/accel/ipsec_offload.h | 18 ++----------------
include/linux/mlx5/accel.h | 4 ++--
include/linux/mlx5/driver.h | 2 +-
5 files changed, 8 insertions(+), 36 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index e34e64a9ff4a..176883cf2827 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -142,28 +142,14 @@ config MLX5_CORE_IPOIB
help
MLX5 IPoIB offloads & acceleration support.
-config MLX5_IPSEC
+config MLX5_EN_IPSEC
bool "Mellanox Technologies IPsec Connect-X support"
depends on MLX5_CORE_EN
depends on XFRM_OFFLOAD
depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD
select MLX5_ACCEL
- help
- Build IPsec support for the Connect-X family of network cards by Mellanox
- Technologies.
- Note: If you select this option, the mlx5_core driver will include
- IPsec support for the Connect-X family.
-
-config MLX5_EN_IPSEC
- bool "IPSec XFRM cryptography-offload acceleration"
- depends on MLX5_CORE_EN
- depends on XFRM_OFFLOAD
- depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD
- depends on MLX5_IPSEC
help
Build support for IPsec cryptography-offload acceleration in the NIC.
- Note: Support for hardware with this capability needs to be selected
- for this option to become available.
config MLX5_EN_TLS
bool "Mellanox Technologies TLS Connect-X support"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index ad852703a3cb..9e715a1056f8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -88,13 +88,13 @@ mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib/ipoib.o ipoib/ethtool.o ipoib/ipoib
#
# Accelerations & FPGA
#
-mlx5_core-$(CONFIG_MLX5_IPSEC) += accel/ipsec_offload.o
mlx5_core-$(CONFIG_MLX5_ACCEL) += lib/crypto.o
mlx5_core-$(CONFIG_MLX5_FPGA) += fpga/cmd.o fpga/core.o fpga/conn.o fpga/sdk.o
mlx5_core-$(CONFIG_MLX5_EN_IPSEC) += en_accel/ipsec.o en_accel/ipsec_rxtx.o \
- en_accel/ipsec_stats.o en_accel/ipsec_fs.o
+ en_accel/ipsec_stats.o en_accel/ipsec_fs.o \
+ accel/ipsec_offload.o
mlx5_core-$(CONFIG_MLX5_EN_TLS) += en_accel/ktls_stats.o \
en_accel/fs_tcp.o en_accel/ktls.o en_accel/ktls_txrx.o \
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
index 3d13e2c136b1..36e700b596d8 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
@@ -7,7 +7,7 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/accel.h>
-#ifdef CONFIG_MLX5_IPSEC
+#ifdef CONFIG_MLX5_EN_IPSEC
unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev);
int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
@@ -42,22 +42,8 @@ struct mlx5_accel_ipsec_ops {
};
#else
-
-static inline void *
-mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *xfrm,
- u32 *sa_handle)
-{
- return NULL;
-}
-
-static inline void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev,
- void *context)
-{
-}
-
static inline void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev) {}
static inline void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev) {}
-#endif /* CONFIG_MLX5_IPSEC */
+#endif /* CONFIG_MLX5_EN_IPSEC */
#endif /* __MLX5_IPSEC_OFFLOAD_H__ */
diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index 9145e2d37c0e..73e4d50a9f02 100644
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -122,7 +122,7 @@ enum mlx5_accel_ipsec_cap {
MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN = 1 << 7,
};
-#ifdef CONFIG_MLX5_ACCEL
+#ifdef CONFIG_MLX5_EN_IPSEC
u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev);
@@ -152,5 +152,5 @@ static inline int
mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
const struct mlx5_accel_esp_xfrm_attrs *attrs) { return -EOPNOTSUPP; }
-#endif /* CONFIG_MLX5_ACCEL */
+#endif /* CONFIG_MLX5_EN_IPSEC */
#endif /* __MLX5_ACCEL_H__ */
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 9424503eb8d3..5af53c035949 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -778,7 +778,7 @@ struct mlx5_core_dev {
#ifdef CONFIG_MLX5_FPGA
struct mlx5_fpga_device *fpga;
#endif
-#ifdef CONFIG_MLX5_ACCEL
+#ifdef CONFIG_MLX5_EN_IPSEC
const struct mlx5_accel_ipsec_ops *ipsec_ops;
#endif
struct mlx5_clock clock;
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 14/17] net/mlx5: Move IPsec file to relevant directory
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (12 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 13/17] net/mlx5: Remove not-needed IPsec config Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 15/17] net/mlx5: Reduce kconfig complexity while building crypto support Leon Romanovsky
` (3 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
IPsec is part of ethernet side of mlx5 driver and needs to be placed
in en_accel folder.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/Makefile | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en/params.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h | 2 +-
.../mellanox/mlx5/core/{accel => en_accel}/ipsec_offload.c | 2 +-
.../mellanox/mlx5/core/{accel => en_accel}/ipsec_offload.h | 0
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_main.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/en_rx.c | 2 +-
drivers/net/ethernet/mellanox/mlx5/core/main.c | 2 +-
12 files changed, 11 insertions(+), 11 deletions(-)
rename drivers/net/ethernet/mellanox/mlx5/core/{accel => en_accel}/ipsec_offload.c (99%)
rename drivers/net/ethernet/mellanox/mlx5/core/{accel => en_accel}/ipsec_offload.h (100%)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index 9e715a1056f8..f7aafbfcdb61 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -94,7 +94,7 @@ mlx5_core-$(CONFIG_MLX5_FPGA) += fpga/cmd.o fpga/core.o fpga/conn.o fpga/sdk.o
mlx5_core-$(CONFIG_MLX5_EN_IPSEC) += en_accel/ipsec.o en_accel/ipsec_rxtx.o \
en_accel/ipsec_stats.o en_accel/ipsec_fs.o \
- accel/ipsec_offload.o
+ en_accel/ipsec_offload.o
mlx5_core-$(CONFIG_MLX5_EN_TLS) += en_accel/ktls_stats.o \
en_accel/fs_tcp.o en_accel/ktls.o en_accel/ktls_txrx.o \
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
index 9f4ae8bc09b9..1e8700957280 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en/params.c
@@ -5,7 +5,7 @@
#include "en/txrx.h"
#include "en/port.h"
#include "en_accel/en_accel.h"
-#include "accel/ipsec_offload.h"
+#include "en_accel/ipsec_offload.h"
static bool mlx5e_rx_is_xdp(struct mlx5e_params *params,
struct mlx5e_xsk_param *xsk)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
index eccc13b1338f..a0e9dade09e9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec.h
@@ -40,7 +40,7 @@
#include <net/xfrm.h>
#include <linux/idr.h>
-#include "accel/ipsec_offload.h"
+#include "ipsec_offload.h"
#define MLX5E_IPSEC_SADB_RX_BITS 10
#define MLX5E_IPSEC_ESN_SCOPE_MID 0x80000000L
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
index 32093497292f..66b529e36ea1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.c
@@ -2,7 +2,7 @@
/* Copyright (c) 2020, Mellanox Technologies inc. All rights reserved. */
#include <linux/netdevice.h>
-#include "accel/ipsec_offload.h"
+#include "ipsec_offload.h"
#include "ipsec_fs.h"
#include "fs_core.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
index 3389b3bb3ef8..b3e23aa5beeb 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
@@ -6,7 +6,7 @@
#include "en.h"
#include "ipsec.h"
-#include "accel/ipsec_offload.h"
+#include "ipsec_offload.h"
#include "en/fs.h"
#ifdef CONFIG_MLX5_EN_IPSEC
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
similarity index 99%
rename from drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
rename to drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
index 9dbebef19ff0..7ae2d308139e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
@@ -2,7 +2,7 @@
/* Copyright (c) 2017, Mellanox Technologies inc. All rights reserved. */
#include "mlx5_core.h"
-#include "accel/ipsec_offload.h"
+#include "ipsec_offload.h"
#include "lib/mlx5.h"
#include "en_accel/ipsec_fs.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.h
similarity index 100%
rename from drivers/net/ethernet/mellanox/mlx5/core/accel/ipsec_offload.h
rename to drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.h
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
index 08a6dd4b7662..9b65c765cbd9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_rxtx.c
@@ -34,7 +34,7 @@
#include <crypto/aead.h>
#include <net/xfrm.h>
#include <net/esp.h>
-#include "accel/ipsec_offload.h"
+#include "ipsec_offload.h"
#include "en_accel/ipsec_rxtx.h"
#include "en_accel/ipsec.h"
#include "en.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
index 87c42df3ee20..3aace1c2a763 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_stats.c
@@ -35,7 +35,7 @@
#include <net/sock.h>
#include "en.h"
-#include "accel/ipsec_offload.h"
+#include "ipsec_offload.h"
#include "fpga/sdk.h"
#include "en_accel/ipsec.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
index 6a3a08fd8910..12b72a0bcb1a 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c
@@ -48,7 +48,7 @@
#include "en_accel/ipsec.h"
#include "en_accel/en_accel.h"
#include "en_accel/ktls.h"
-#include "accel/ipsec_offload.h"
+#include "en_accel/ipsec_offload.h"
#include "lib/vxlan.h"
#include "lib/clock.h"
#include "en/port.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
index f85eefaad6ab..a5f6fd16b665 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c
@@ -48,7 +48,7 @@
#include "en_rep.h"
#include "en/rep/tc.h"
#include "ipoib/ipoib.h"
-#include "accel/ipsec_offload.h"
+#include "en_accel/ipsec_offload.h"
#include "en_accel/ipsec_rxtx.h"
#include "en_accel/ktls_txrx.h"
#include "en/xdp.h"
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 8fcbb1032b07..032de078723c 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -62,7 +62,7 @@
#include "lib/mlx5.h"
#include "lib/tout.h"
#include "fpga/core.h"
-#include "accel/ipsec_offload.h"
+#include "en_accel/ipsec_offload.h"
#include "lib/clock.h"
#include "lib/vxlan.h"
#include "lib/geneve.h"
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 15/17] net/mlx5: Reduce kconfig complexity while building crypto support
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (13 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 14/17] net/mlx5: Move IPsec file to relevant directory Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 16/17] net/mlx5: Remove ipsec_ops function table Leon Romanovsky
` (2 subsequent siblings)
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Both IPsec and kTLS need two functions declared in the lib/crypto.c
file. These functions are advertised through general mlx5.h file and
don't have any protection from attempts to call them without proper
config option.
Instead of creating stubs just for two functions, simply build that *.c
file as part of regular mlx5_eth build and rely on compiler to throw
them away if no callers exist in produced code.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
drivers/net/ethernet/mellanox/mlx5/core/Kconfig | 5 -----
drivers/net/ethernet/mellanox/mlx5/core/Makefile | 4 +---
2 files changed, 1 insertion(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
index 176883cf2827..bfc0cd5ec423 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig
@@ -16,9 +16,6 @@ config MLX5_CORE
Core driver for low level functionality of the ConnectX-4 and
Connect-IB cards by Mellanox Technologies.
-config MLX5_ACCEL
- bool
-
config MLX5_FPGA
bool "Mellanox Technologies Innova support"
depends on MLX5_CORE
@@ -147,7 +144,6 @@ config MLX5_EN_IPSEC
depends on MLX5_CORE_EN
depends on XFRM_OFFLOAD
depends on INET_ESP_OFFLOAD || INET6_ESP_OFFLOAD
- select MLX5_ACCEL
help
Build support for IPsec cryptography-offload acceleration in the NIC.
@@ -156,7 +152,6 @@ config MLX5_EN_TLS
depends on TLS_DEVICE
depends on TLS=y || MLX5_CORE=m
depends on MLX5_CORE_EN
- select MLX5_ACCEL
help
Build support for TLS cryptography-offload acceleration in the NIC.
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Makefile b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
index f7aafbfcdb61..81620c25c77e 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/Makefile
+++ b/drivers/net/ethernet/mellanox/mlx5/core/Makefile
@@ -28,7 +28,7 @@ mlx5_core-$(CONFIG_MLX5_CORE_EN) += en/rqt.o en/tir.o en/rss.o en/rx_res.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/selq.o
+ en/qos.o en/trap.o en/fs_tt_redirect.o en/selq.o lib/crypto.o
#
# Netdev extra
@@ -88,8 +88,6 @@ mlx5_core-$(CONFIG_MLX5_CORE_IPOIB) += ipoib/ipoib.o ipoib/ethtool.o ipoib/ipoib
#
# Accelerations & FPGA
#
-mlx5_core-$(CONFIG_MLX5_ACCEL) += lib/crypto.o
-
mlx5_core-$(CONFIG_MLX5_FPGA) += fpga/cmd.o fpga/core.o fpga/conn.o fpga/sdk.o
mlx5_core-$(CONFIG_MLX5_EN_IPSEC) += en_accel/ipsec.o en_accel/ipsec_rxtx.o \
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 16/17] net/mlx5: Remove ipsec_ops function table
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (14 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 15/17] net/mlx5: Reduce kconfig complexity while building crypto support Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-06 8:25 ` [PATCH mlx5-next 17/17] net/mlx5: Remove not-implemented IPsec capabilities Leon Romanovsky
2022-04-09 5:37 ` [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
There is only one IPsec implementation and ipsec_ops is not needed
at all in this situation. Together with removal of ipsec_ops, we can
drop the entry checks as these functions are called for IPsec devices
only.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../mellanox/mlx5/core/en_accel/ipsec_fs.h | 5 -
.../mlx5/core/en_accel/ipsec_offload.c | 118 ++----------------
.../mlx5/core/en_accel/ipsec_offload.h | 35 ------
.../net/ethernet/mellanox/mlx5/core/main.c | 4 -
include/linux/mlx5/driver.h | 3 -
5 files changed, 8 insertions(+), 157 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
index b3e23aa5beeb..b70953979709 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_fs.h
@@ -9,7 +9,6 @@
#include "ipsec_offload.h"
#include "en/fs.h"
-#ifdef CONFIG_MLX5_EN_IPSEC
void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_priv *priv);
int mlx5e_accel_ipsec_fs_init(struct mlx5e_priv *priv);
int mlx5e_accel_ipsec_fs_add_rule(struct mlx5e_priv *priv,
@@ -19,8 +18,4 @@ int mlx5e_accel_ipsec_fs_add_rule(struct mlx5e_priv *priv,
void mlx5e_accel_ipsec_fs_del_rule(struct mlx5e_priv *priv,
struct mlx5_accel_esp_xfrm_attrs *attrs,
struct mlx5e_ipsec_rule *ipsec_rule);
-#else
-static inline void mlx5e_accel_ipsec_fs_cleanup(struct mlx5e_priv *priv) {}
-static inline int mlx5e_accel_ipsec_fs_init(struct mlx5e_priv *priv) { return 0; }
-#endif
#endif /* __MLX5_IPSEC_STEERING_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
index 7ae2d308139e..f0f44bd95cc9 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
@@ -106,8 +106,7 @@ mlx5_ipsec_offload_esp_validate_xfrm_attrs(struct mlx5_core_dev *mdev,
static struct mlx5_accel_esp_xfrm *
mlx5_ipsec_offload_esp_create_xfrm(struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs,
- u32 flags)
+ const struct mlx5_accel_esp_xfrm_attrs *attrs)
{
struct mlx5_ipsec_esp_xfrm *mxfrm;
int err = 0;
@@ -286,11 +285,6 @@ static void mlx5_ipsec_offload_delete_sa_ctx(void *context)
mutex_unlock(&mxfrm->lock);
}
-static int mlx5_ipsec_offload_init(struct mlx5_core_dev *mdev)
-{
- return 0;
-}
-
static int mlx5_modify_ipsec_obj(struct mlx5_core_dev *mdev,
struct mlx5_ipsec_obj_attrs *attrs,
u32 ipsec_id)
@@ -378,86 +372,12 @@ static int mlx5_ipsec_offload_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
return err;
}
-static const struct mlx5_accel_ipsec_ops ipsec_offload_ops = {
- .create_hw_context = mlx5_ipsec_offload_create_sa_ctx,
- .free_hw_context = mlx5_ipsec_offload_delete_sa_ctx,
- .init = mlx5_ipsec_offload_init,
- .esp_create_xfrm = mlx5_ipsec_offload_esp_create_xfrm,
- .esp_destroy_xfrm = mlx5_ipsec_offload_esp_destroy_xfrm,
- .esp_modify_xfrm = mlx5_ipsec_offload_esp_modify_xfrm,
-};
-
-static const struct mlx5_accel_ipsec_ops *
-mlx5_ipsec_offload_ops(struct mlx5_core_dev *mdev)
-{
- if (!mlx5_ipsec_device_caps(mdev))
- return NULL;
-
- return &ipsec_offload_ops;
-}
-
-void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops;
- int err = 0;
-
- ipsec_ops = mlx5_ipsec_offload_ops(mdev);
- if (!ipsec_ops || !ipsec_ops->init) {
- mlx5_core_dbg(mdev, "IPsec ops is not supported\n");
- return;
- }
-
- err = ipsec_ops->init(mdev);
- if (err) {
- mlx5_core_warn_once(
- mdev, "Failed to start IPsec device, err = %d\n", err);
- return;
- }
-
- mdev->ipsec_ops = ipsec_ops;
-}
-
-void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->cleanup)
- return;
-
- ipsec_ops->cleanup(mdev);
-}
-
-unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->counters_count)
- return -EOPNOTSUPP;
-
- return ipsec_ops->counters_count(mdev);
-}
-
-int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
- unsigned int count)
-{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->counters_read)
- return -EOPNOTSUPP;
-
- return ipsec_ops->counters_read(mdev, counters, count);
-}
-
void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *xfrm,
u32 *sa_handle)
{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
__be32 saddr[4] = {}, daddr[4] = {};
- if (!ipsec_ops || !ipsec_ops->create_hw_context)
- return ERR_PTR(-EOPNOTSUPP);
-
if (!xfrm->attrs.is_ipv6) {
saddr[3] = xfrm->attrs.saddr.a4;
daddr[3] = xfrm->attrs.daddr.a4;
@@ -466,59 +386,37 @@ void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
memcpy(daddr, xfrm->attrs.daddr.a6, sizeof(daddr));
}
- return ipsec_ops->create_hw_context(mdev, xfrm, saddr, daddr,
- xfrm->attrs.spi,
- xfrm->attrs.is_ipv6, sa_handle);
+ return mlx5_ipsec_offload_create_sa_ctx(mdev, xfrm, saddr, daddr,
+ xfrm->attrs.spi,
+ xfrm->attrs.is_ipv6, sa_handle);
}
void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context)
{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->free_hw_context)
- return;
-
- ipsec_ops->free_hw_context(context);
+ mlx5_ipsec_offload_delete_sa_ctx(context);
}
struct mlx5_accel_esp_xfrm *
mlx5_accel_esp_create_xfrm(struct mlx5_core_dev *mdev,
const struct mlx5_accel_esp_xfrm_attrs *attrs)
{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = mdev->ipsec_ops;
struct mlx5_accel_esp_xfrm *xfrm;
- if (!ipsec_ops || !ipsec_ops->esp_create_xfrm)
- return ERR_PTR(-EOPNOTSUPP);
-
- xfrm = ipsec_ops->esp_create_xfrm(mdev, attrs, 0);
+ xfrm = mlx5_ipsec_offload_esp_create_xfrm(mdev, attrs);
if (IS_ERR(xfrm))
return xfrm;
xfrm->mdev = mdev;
return xfrm;
}
-EXPORT_SYMBOL_GPL(mlx5_accel_esp_create_xfrm);
void mlx5_accel_esp_destroy_xfrm(struct mlx5_accel_esp_xfrm *xfrm)
{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->esp_destroy_xfrm)
- return;
-
- ipsec_ops->esp_destroy_xfrm(xfrm);
+ mlx5_ipsec_offload_esp_destroy_xfrm(xfrm);
}
-EXPORT_SYMBOL_GPL(mlx5_accel_esp_destroy_xfrm);
int mlx5_accel_esp_modify_xfrm(struct mlx5_accel_esp_xfrm *xfrm,
const struct mlx5_accel_esp_xfrm_attrs *attrs)
{
- const struct mlx5_accel_ipsec_ops *ipsec_ops = xfrm->mdev->ipsec_ops;
-
- if (!ipsec_ops || !ipsec_ops->esp_modify_xfrm)
- return -EOPNOTSUPP;
-
- return ipsec_ops->esp_modify_xfrm(xfrm, attrs);
+ return mlx5_ipsec_offload_esp_modify_xfrm(xfrm, attrs);
}
-EXPORT_SYMBOL_GPL(mlx5_accel_esp_modify_xfrm);
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.h b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.h
index 36e700b596d8..7dac104e6ef1 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.h
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.h
@@ -7,43 +7,8 @@
#include <linux/mlx5/driver.h>
#include <linux/mlx5/accel.h>
-#ifdef CONFIG_MLX5_EN_IPSEC
-
-unsigned int mlx5_accel_ipsec_counters_count(struct mlx5_core_dev *mdev);
-int mlx5_accel_ipsec_counters_read(struct mlx5_core_dev *mdev, u64 *counters,
- unsigned int count);
-
void *mlx5_accel_esp_create_hw_context(struct mlx5_core_dev *mdev,
struct mlx5_accel_esp_xfrm *xfrm,
u32 *sa_handle);
void mlx5_accel_esp_free_hw_context(struct mlx5_core_dev *mdev, void *context);
-
-void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev);
-void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev);
-
-struct mlx5_accel_ipsec_ops {
- unsigned int (*counters_count)(struct mlx5_core_dev *mdev);
- int (*counters_read)(struct mlx5_core_dev *mdev, u64 *counters,
- unsigned int count);
- void *(*create_hw_context)(struct mlx5_core_dev *mdev,
- struct mlx5_accel_esp_xfrm *xfrm,
- const __be32 saddr[4], const __be32 daddr[4],
- const __be32 spi, bool is_ipv6,
- u32 *sa_handle);
- void (*free_hw_context)(void *context);
- int (*init)(struct mlx5_core_dev *mdev);
- void (*cleanup)(struct mlx5_core_dev *mdev);
- struct mlx5_accel_esp_xfrm *(*esp_create_xfrm)(
- struct mlx5_core_dev *mdev,
- const struct mlx5_accel_esp_xfrm_attrs *attrs, u32 flags);
- int (*esp_modify_xfrm)(struct mlx5_accel_esp_xfrm *xfrm,
- const struct mlx5_accel_esp_xfrm_attrs *attrs);
- void (*esp_destroy_xfrm)(struct mlx5_accel_esp_xfrm *xfrm);
-};
-
-#else
-static inline void mlx5_accel_ipsec_init(struct mlx5_core_dev *mdev) {}
-
-static inline void mlx5_accel_ipsec_cleanup(struct mlx5_core_dev *mdev) {}
-#endif /* CONFIG_MLX5_EN_IPSEC */
#endif /* __MLX5_IPSEC_OFFLOAD_H__ */
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c
index 032de078723c..d504c8cb8f96 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/main.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c
@@ -1181,8 +1181,6 @@ static int mlx5_load(struct mlx5_core_dev *dev)
goto err_fpga_start;
}
- mlx5_accel_ipsec_init(dev);
-
err = mlx5_init_fs(dev);
if (err) {
mlx5_core_err(dev, "Failed to init flow steering\n");
@@ -1230,7 +1228,6 @@ static int mlx5_load(struct mlx5_core_dev *dev)
err_set_hca:
mlx5_cleanup_fs(dev);
err_fs:
- mlx5_accel_ipsec_cleanup(dev);
mlx5_fpga_device_stop(dev);
err_fpga_start:
mlx5_rsc_dump_cleanup(dev);
@@ -1256,7 +1253,6 @@ static void mlx5_unload(struct mlx5_core_dev *dev)
mlx5_sf_hw_table_destroy(dev);
mlx5_vhca_event_stop(dev);
mlx5_cleanup_fs(dev);
- mlx5_accel_ipsec_cleanup(dev);
mlx5_fpga_device_stop(dev);
mlx5_rsc_dump_cleanup(dev);
mlx5_hv_vhca_cleanup(dev->hv_vhca);
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 5af53c035949..ff47d49d8be4 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -777,9 +777,6 @@ struct mlx5_core_dev {
} roce;
#ifdef CONFIG_MLX5_FPGA
struct mlx5_fpga_device *fpga;
-#endif
-#ifdef CONFIG_MLX5_EN_IPSEC
- const struct mlx5_accel_ipsec_ops *ipsec_ops;
#endif
struct mlx5_clock clock;
struct mlx5_ib_clock_info *clock_info;
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* [PATCH mlx5-next 17/17] net/mlx5: Remove not-implemented IPsec capabilities
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (15 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 16/17] net/mlx5: Remove ipsec_ops function table Leon Romanovsky
@ 2022-04-06 8:25 ` Leon Romanovsky
2022-04-09 5:37 ` [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-06 8:25 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: Leon Romanovsky, linux-kernel, linux-rdma, netdev, Raed Salem
From: Leon Romanovsky <leonro@nvidia.com>
Clean a capabilities enum to remove not-implemented bits.
Reviewed-by: Raed Salem <raeds@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
.../mellanox/mlx5/core/en_accel/ipsec_offload.c | 4 +---
include/linux/mlx5/accel.h | 11 ++++-------
2 files changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
index f0f44bd95cc9..37c9880719cf 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_accel/ipsec_offload.c
@@ -51,10 +51,8 @@ u32 mlx5_ipsec_device_caps(struct mlx5_core_dev *mdev)
MLX5_CAP_IPSEC(mdev, ipsec_crypto_esp_aes_gcm_128_decrypt))
caps |= MLX5_ACCEL_IPSEC_CAP_ESP;
- if (MLX5_CAP_IPSEC(mdev, ipsec_esn)) {
+ if (MLX5_CAP_IPSEC(mdev, ipsec_esn))
caps |= MLX5_ACCEL_IPSEC_CAP_ESN;
- caps |= MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN;
- }
/* We can accommodate up to 2^24 different IPsec objects
* because we use up to 24 bit in flow table metadata
diff --git a/include/linux/mlx5/accel.h b/include/linux/mlx5/accel.h
index 73e4d50a9f02..0f2596297f6a 100644
--- a/include/linux/mlx5/accel.h
+++ b/include/linux/mlx5/accel.h
@@ -113,13 +113,10 @@ struct mlx5_accel_esp_xfrm {
enum mlx5_accel_ipsec_cap {
MLX5_ACCEL_IPSEC_CAP_DEVICE = 1 << 0,
- MLX5_ACCEL_IPSEC_CAP_REQUIRED_METADATA = 1 << 1,
- MLX5_ACCEL_IPSEC_CAP_ESP = 1 << 2,
- MLX5_ACCEL_IPSEC_CAP_IPV6 = 1 << 3,
- MLX5_ACCEL_IPSEC_CAP_LSO = 1 << 4,
- MLX5_ACCEL_IPSEC_CAP_RX_NO_TRAILER = 1 << 5,
- MLX5_ACCEL_IPSEC_CAP_ESN = 1 << 6,
- MLX5_ACCEL_IPSEC_CAP_TX_IV_IS_ESN = 1 << 7,
+ MLX5_ACCEL_IPSEC_CAP_ESP = 1 << 1,
+ MLX5_ACCEL_IPSEC_CAP_IPV6 = 1 << 2,
+ MLX5_ACCEL_IPSEC_CAP_LSO = 1 << 3,
+ MLX5_ACCEL_IPSEC_CAP_ESN = 1 << 4,
};
#ifdef CONFIG_MLX5_EN_IPSEC
--
2.35.1
^ permalink raw reply related [flat|nested] 20+ messages in thread* Re: [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel
2022-04-06 8:25 [PATCH mlx5-next 00/17] Drop Mellanox FPGA IPsec support from the kernel Leon Romanovsky
` (16 preceding siblings ...)
2022-04-06 8:25 ` [PATCH mlx5-next 17/17] net/mlx5: Remove not-implemented IPsec capabilities Leon Romanovsky
@ 2022-04-09 5:37 ` Leon Romanovsky
17 siblings, 0 replies; 20+ messages in thread
From: Leon Romanovsky @ 2022-04-09 5:37 UTC (permalink / raw)
To: Jason Gunthorpe, Jakub Kicinski, Paolo Abeni, Saeed Mahameed
Cc: linux-kernel, linux-rdma, netdev, Raed Salem
On Wed, Apr 06, 2022 at 11:25:35AM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@nvidia.com>
>
> Together with FPGA TLS, the IPsec went to EOL state in the November of
> 2019 [1]. Exactly like FPGA TLS, no active customers exist for this
> upstream code and all the complexity around that area can be deleted.
>
> [1] https://network.nvidia.com/related-docs/eol/LCR-000535.pdf
>
> Thanks
>
> Leon Romanovsky (17):
> net/mlx5_fpga: Drop INNOVA IPsec support
> net/mlx5: Delete metadata handling logic
> net/mlx5: Remove not-used IDA field from IPsec struct
> net/mlx5: Remove XFRM no_trailer flag
> net/mlx5: Remove FPGA ipsec specific statistics
> RDMA/mlx5: Delete never supported IPsec flow action
> RDMA/mlx5: Drop crypto flow steering API
> RDMA/core: Delete IPsec flow action logic from the core
> net/mlx5: Remove ipsec vs. ipsec offload file separation
> net/mlx5: Remove useless IPsec device checks
> net/mlx5: Unify device IPsec capabilities check
> net/mlx5: Align flow steering allocation namespace to common style
> net/mlx5: Remove not-needed IPsec config
> net/mlx5: Move IPsec file to relevant directory
> net/mlx5: Reduce kconfig complexity while building crypto support
> net/mlx5: Remove ipsec_ops function table
> net/mlx5: Remove not-implemented IPsec capabilities
Thanks, applied to mlx5-next.
2984287c4c19 net/mlx5: Remove not-implemented IPsec capabilities
f2b41b32cde8 net/mlx5: Remove ipsec_ops function table
f03c7b183ef9 net/mlx5: Reduce kconfig complexity while building crypto support
16fe5a1c5c07 net/mlx5: Move IPsec file to relevant directory
54deb0e77561 net/mlx5: Remove not-needed IPsec config
a6a9eaf14222 net/mlx5: Align flow steering allocation namespace to common style
2451da081a34 net/mlx5: Unify device IPsec capabilities check
5a985aa3c922 net/mlx5: Remove useless IPsec device checks
7e4e84912139 net/mlx5: Remove ipsec vs. ipsec offload file separation
32313c6ae622 RDMA/core: Delete IPsec flow action logic from the core
de8bdb476908 RDMA/mlx5: Drop crypto flow steering API
74ec29bdb0eb RDMA/mlx5: Delete never supported IPsec flow action
0d90bd551446 net/mlx5: Remove FPGA ipsec specific statistics
3c811a6b4552 net/mlx5: Remove XFRM no_trailer flag
501a9b23b23c net/mlx5: Remove not-used IDA field from IPsec struct
df439fcb1cd4 net/mlx5: Delete metadata handling logic
2fa33b3518a8 net/mlx5_fpga: Drop INNOVA IPsec support
^ permalink raw reply [flat|nested] 20+ messages in thread