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path: root/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c128
1 files changed, 76 insertions, 52 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
index f6f6a568d66a..c51b2adfc1e1 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
@@ -1,36 +1,5 @@
-/*
- * drivers/net/ethernet/mellanox/mlxsw/core_acl_flex_actions.c
- * Copyright (c) 2017, 2018 Mellanox Technologies. All rights reserved.
- * Copyright (c) 2017 Jiri Pirko <jiri@mellanox.com>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. 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.
- * 3. Neither the names of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * Alternatively, this software may be distributed under the terms of the
- * GNU General Public License ("GPL") version 2 as published by the Free
- * Software Foundation.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
#include <linux/kernel.h>
#include <linux/types.h>
@@ -355,9 +324,24 @@ struct mlxsw_afa_block *mlxsw_afa_block_create(struct mlxsw_afa *mlxsw_afa)
block->first_set = mlxsw_afa_set_create(true);
if (!block->first_set)
goto err_first_set_create;
- block->cur_set = block->first_set;
+
+ /* In case user instructs to have dummy first set, we leave it
+ * empty here and create another, real, set right away.
+ */
+ if (mlxsw_afa->ops->dummy_first_set) {
+ block->cur_set = mlxsw_afa_set_create(false);
+ if (!block->cur_set)
+ goto err_second_set_create;
+ block->cur_set->prev = block->first_set;
+ block->first_set->next = block->cur_set;
+ } else {
+ block->cur_set = block->first_set;
+ }
+
return block;
+err_second_set_create:
+ mlxsw_afa_set_destroy(block->first_set);
err_first_set_create:
kfree(block);
return NULL;
@@ -419,11 +403,31 @@ char *mlxsw_afa_block_first_set(struct mlxsw_afa_block *block)
}
EXPORT_SYMBOL(mlxsw_afa_block_first_set);
-u32 mlxsw_afa_block_first_set_kvdl_index(struct mlxsw_afa_block *block)
+char *mlxsw_afa_block_cur_set(struct mlxsw_afa_block *block)
{
- return block->first_set->kvdl_index;
+ return block->cur_set->ht_key.enc_actions;
}
-EXPORT_SYMBOL(mlxsw_afa_block_first_set_kvdl_index);
+EXPORT_SYMBOL(mlxsw_afa_block_cur_set);
+
+u32 mlxsw_afa_block_first_kvdl_index(struct mlxsw_afa_block *block)
+{
+ /* First set is never in KVD linear. So the first set
+ * with valid KVD linear index is always the second one.
+ */
+ if (WARN_ON(!block->first_set->next))
+ return 0;
+ return block->first_set->next->kvdl_index;
+}
+EXPORT_SYMBOL(mlxsw_afa_block_first_kvdl_index);
+
+int mlxsw_afa_block_activity_get(struct mlxsw_afa_block *block, bool *activity)
+{
+ u32 kvdl_index = mlxsw_afa_block_first_kvdl_index(block);
+
+ return block->afa->ops->kvdl_set_activity_get(block->afa->ops_priv,
+ kvdl_index, activity);
+}
+EXPORT_SYMBOL(mlxsw_afa_block_activity_get);
int mlxsw_afa_block_continue(struct mlxsw_afa_block *block)
{
@@ -724,14 +728,17 @@ mlxsw_afa_vlan_pack(char *payload,
}
int mlxsw_afa_block_append_vlan_modify(struct mlxsw_afa_block *block,
- u16 vid, u8 pcp, u8 et)
+ u16 vid, u8 pcp, u8 et,
+ struct netlink_ext_ack *extack)
{
char *act = mlxsw_afa_block_append_action(block,
MLXSW_AFA_VLAN_CODE,
MLXSW_AFA_VLAN_SIZE);
- if (IS_ERR(act))
+ if (IS_ERR(act)) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot append vlan_modify action");
return PTR_ERR(act);
+ }
mlxsw_afa_vlan_pack(act, MLXSW_AFA_VLAN_VLAN_TAG_CMD_NOP,
MLXSW_AFA_VLAN_CMD_SET_OUTER, vid,
MLXSW_AFA_VLAN_CMD_SET_OUTER, pcp,
@@ -925,19 +932,23 @@ mlxsw_afa_block_append_allocated_mirror(struct mlxsw_afa_block *block,
int
mlxsw_afa_block_append_mirror(struct mlxsw_afa_block *block, u8 local_in_port,
- const struct net_device *out_dev, bool ingress)
+ const struct net_device *out_dev, bool ingress,
+ struct netlink_ext_ack *extack)
{
struct mlxsw_afa_mirror *mirror;
int err;
mirror = mlxsw_afa_mirror_create(block, local_in_port, out_dev,
ingress);
- if (IS_ERR(mirror))
+ if (IS_ERR(mirror)) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot create mirror action");
return PTR_ERR(mirror);
-
+ }
err = mlxsw_afa_block_append_allocated_mirror(block, mirror->span_id);
- if (err)
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot append mirror action");
goto err_append_allocated_mirror;
+ }
return 0;
@@ -987,23 +998,29 @@ mlxsw_afa_forward_pack(char *payload, enum mlxsw_afa_forward_type type,
}
int mlxsw_afa_block_append_fwd(struct mlxsw_afa_block *block,
- u8 local_port, bool in_port)
+ u8 local_port, bool in_port,
+ struct netlink_ext_ack *extack)
{
struct mlxsw_afa_fwd_entry_ref *fwd_entry_ref;
u32 kvdl_index;
char *act;
int err;
- if (in_port)
+ if (in_port) {
+ NL_SET_ERR_MSG_MOD(extack, "Forwarding to ingress port is not supported");
return -EOPNOTSUPP;
+ }
fwd_entry_ref = mlxsw_afa_fwd_entry_ref_create(block, local_port);
- if (IS_ERR(fwd_entry_ref))
+ if (IS_ERR(fwd_entry_ref)) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot create forward action");
return PTR_ERR(fwd_entry_ref);
+ }
kvdl_index = fwd_entry_ref->fwd_entry->kvdl_index;
act = mlxsw_afa_block_append_action(block, MLXSW_AFA_FORWARD_CODE,
MLXSW_AFA_FORWARD_SIZE);
if (IS_ERR(act)) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot append forward action");
err = PTR_ERR(act);
goto err_append_action;
}
@@ -1068,21 +1085,25 @@ int mlxsw_afa_block_append_allocated_counter(struct mlxsw_afa_block *block,
EXPORT_SYMBOL(mlxsw_afa_block_append_allocated_counter);
int mlxsw_afa_block_append_counter(struct mlxsw_afa_block *block,
- u32 *p_counter_index)
+ u32 *p_counter_index,
+ struct netlink_ext_ack *extack)
{
struct mlxsw_afa_counter *counter;
u32 counter_index;
int err;
counter = mlxsw_afa_counter_create(block);
- if (IS_ERR(counter))
+ if (IS_ERR(counter)) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot create count action");
return PTR_ERR(counter);
+ }
counter_index = counter->counter_index;
err = mlxsw_afa_block_append_allocated_counter(block, counter_index);
- if (err)
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot append count action");
goto err_append_allocated_counter;
-
+ }
if (p_counter_index)
*p_counter_index = counter_index;
return 0;
@@ -1125,13 +1146,16 @@ static inline void mlxsw_afa_virfwd_pack(char *payload,
mlxsw_afa_virfwd_fid_set(payload, fid);
}
-int mlxsw_afa_block_append_fid_set(struct mlxsw_afa_block *block, u16 fid)
+int mlxsw_afa_block_append_fid_set(struct mlxsw_afa_block *block, u16 fid,
+ struct netlink_ext_ack *extack)
{
char *act = mlxsw_afa_block_append_action(block,
MLXSW_AFA_VIRFWD_CODE,
MLXSW_AFA_VIRFWD_SIZE);
- if (IS_ERR(act))
+ if (IS_ERR(act)) {
+ NL_SET_ERR_MSG_MOD(extack, "Cannot append fid_set action");
return PTR_ERR(act);
+ }
mlxsw_afa_virfwd_pack(act, MLXSW_AFA_VIRFWD_FID_CMD_SET, fid);
return 0;
}