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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2017-2018 Mellanox Technologies. All rights reserved */
#include "spectrum_acl_flex_actions.h"
#include "core_acl_flex_actions.h"
#include "spectrum_span.h"
static int mlxsw_sp_act_kvdl_set_add(void *priv, u32 *p_kvdl_index,
char *enc_actions, bool is_first, bool ca)
{
struct mlxsw_sp *mlxsw_sp = priv;
char pefa_pl[MLXSW_REG_PEFA_LEN];
u32 kvdl_index;
int err;
/* The first action set of a TCAM entry is stored directly in TCAM,
* not KVD linear area.
*/
if (is_first)
return 0;
err = mlxsw_sp_kvdl_alloc(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET,
1, &kvdl_index);
if (err)
return err;
mlxsw_reg_pefa_pack(pefa_pl, kvdl_index, ca, enc_actions);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(pefa), pefa_pl);
if (err)
goto err_pefa_write;
*p_kvdl_index = kvdl_index;
return 0;
err_pefa_write:
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET,
1, kvdl_index);
return err;
}
static int mlxsw_sp1_act_kvdl_set_add(void *priv, u32 *p_kvdl_index,
char *enc_actions, bool is_first)
{
return mlxsw_sp_act_kvdl_set_add(priv, p_kvdl_index, enc_actions,
is_first, false);
}
static int mlxsw_sp2_act_kvdl_set_add(void *priv, u32 *p_kvdl_index,
char *enc_actions, bool is_first)
{
return mlxsw_sp_act_kvdl_set_add(priv, p_kvdl_index, enc_actions,
is_first, true);
}
static void mlxsw_sp_act_kvdl_set_del(void *priv, u32 kvdl_index,
bool is_first)
{
struct mlxsw_sp *mlxsw_sp = priv;
if (is_first)
return;
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_ACTSET,
1, kvdl_index);
}
static int mlxsw_sp1_act_kvdl_set_activity_get(void *priv, u32 kvdl_index,
bool *activity)
{
return -EOPNOTSUPP;
}
static int mlxsw_sp2_act_kvdl_set_activity_get(void *priv, u32 kvdl_index,
bool *activity)
{
struct mlxsw_sp *mlxsw_sp = priv;
char pefa_pl[MLXSW_REG_PEFA_LEN];
int err;
mlxsw_reg_pefa_pack(pefa_pl, kvdl_index, true, NULL);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(pefa), pefa_pl);
if (err)
return err;
mlxsw_reg_pefa_unpack(pefa_pl, activity);
return 0;
}
static int mlxsw_sp_act_kvdl_fwd_entry_add(void *priv, u32 *p_kvdl_index,
u8 local_port)
{
struct mlxsw_sp *mlxsw_sp = priv;
char ppbs_pl[MLXSW_REG_PPBS_LEN];
u32 kvdl_index;
int err;
err = mlxsw_sp_kvdl_alloc(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_PBS,
1, &kvdl_index);
if (err)
return err;
mlxsw_reg_ppbs_pack(ppbs_pl, kvdl_index, local_port);
err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(ppbs), ppbs_pl);
if (err)
goto err_ppbs_write;
*p_kvdl_index = kvdl_index;
return 0;
err_ppbs_write:
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_PBS,
1, kvdl_index);
return err;
}
static void mlxsw_sp_act_kvdl_fwd_entry_del(void *priv, u32 kvdl_index)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp_kvdl_free(mlxsw_sp, MLXSW_SP_KVDL_ENTRY_TYPE_PBS,
1, kvdl_index);
}
static int
mlxsw_sp_act_counter_index_get(void *priv, unsigned int *p_counter_index)
{
struct mlxsw_sp *mlxsw_sp = priv;
return mlxsw_sp_flow_counter_alloc(mlxsw_sp, p_counter_index);
}
static void
mlxsw_sp_act_counter_index_put(void *priv, unsigned int counter_index)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp_flow_counter_free(mlxsw_sp, counter_index);
}
static int
mlxsw_sp_act_mirror_add(void *priv, u8 local_in_port,
const struct net_device *out_dev,
bool ingress, int *p_span_id)
{
struct mlxsw_sp_span_agent_parms agent_parms = {};
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
int err;
agent_parms.to_dev = out_dev;
err = mlxsw_sp_span_agent_get(mlxsw_sp, p_span_id, &agent_parms);
if (err)
return err;
mlxsw_sp_port = mlxsw_sp->ports[local_in_port];
err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port, ingress);
if (err)
goto err_analyzed_port_get;
return 0;
err_analyzed_port_get:
mlxsw_sp_span_agent_put(mlxsw_sp, *p_span_id);
return err;
}
static void
mlxsw_sp_act_mirror_del(void *priv, u8 local_in_port, int span_id, bool ingress)
{
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp_port = mlxsw_sp->ports[local_in_port];
mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, ingress);
mlxsw_sp_span_agent_put(mlxsw_sp, span_id);
}
static int mlxsw_sp_act_policer_add(void *priv, u64 rate_bytes_ps, u32 burst,
u16 *p_policer_index,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_policer_params params;
struct mlxsw_sp *mlxsw_sp = priv;
params.rate = rate_bytes_ps;
params.burst = burst;
params.bytes = true;
return mlxsw_sp_policer_add(mlxsw_sp,
MLXSW_SP_POLICER_TYPE_SINGLE_RATE,
¶ms, extack, p_policer_index);
}
static void mlxsw_sp_act_policer_del(void *priv, u16 policer_index)
{
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp_policer_del(mlxsw_sp, MLXSW_SP_POLICER_TYPE_SINGLE_RATE,
policer_index);
}
static int mlxsw_sp1_act_sampler_add(void *priv, u8 local_port,
struct psample_group *psample_group,
u32 rate, u32 trunc_size, bool truncate,
bool ingress, int *p_span_id,
struct netlink_ext_ack *extack)
{
NL_SET_ERR_MSG_MOD(extack, "Sampling action is not supported on Spectrum-1");
return -EOPNOTSUPP;
}
static void mlxsw_sp1_act_sampler_del(void *priv, u8 local_port, int span_id,
bool ingress)
{
WARN_ON_ONCE(1);
}
const struct mlxsw_afa_ops mlxsw_sp1_act_afa_ops = {
.kvdl_set_add = mlxsw_sp1_act_kvdl_set_add,
.kvdl_set_del = mlxsw_sp_act_kvdl_set_del,
.kvdl_set_activity_get = mlxsw_sp1_act_kvdl_set_activity_get,
.kvdl_fwd_entry_add = mlxsw_sp_act_kvdl_fwd_entry_add,
.kvdl_fwd_entry_del = mlxsw_sp_act_kvdl_fwd_entry_del,
.counter_index_get = mlxsw_sp_act_counter_index_get,
.counter_index_put = mlxsw_sp_act_counter_index_put,
.mirror_add = mlxsw_sp_act_mirror_add,
.mirror_del = mlxsw_sp_act_mirror_del,
.policer_add = mlxsw_sp_act_policer_add,
.policer_del = mlxsw_sp_act_policer_del,
.sampler_add = mlxsw_sp1_act_sampler_add,
.sampler_del = mlxsw_sp1_act_sampler_del,
};
static int mlxsw_sp2_act_sampler_add(void *priv, u8 local_port,
struct psample_group *psample_group,
u32 rate, u32 trunc_size, bool truncate,
bool ingress, int *p_span_id,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp_span_agent_parms agent_parms = {
.session_id = MLXSW_SP_SPAN_SESSION_ID_SAMPLING,
};
struct mlxsw_sp_sample_trigger trigger = {
.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_POLICY_ENGINE,
};
struct mlxsw_sp_sample_params params;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
int err;
params.psample_group = psample_group;
params.trunc_size = trunc_size;
params.rate = rate;
params.truncate = truncate;
err = mlxsw_sp_sample_trigger_params_set(mlxsw_sp, &trigger, ¶ms,
extack);
if (err)
return err;
err = mlxsw_sp_span_agent_get(mlxsw_sp, p_span_id, &agent_parms);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "Failed to get SPAN agent");
goto err_span_agent_get;
}
mlxsw_sp_port = mlxsw_sp->ports[local_port];
err = mlxsw_sp_span_analyzed_port_get(mlxsw_sp_port, ingress);
if (err) {
NL_SET_ERR_MSG_MOD(extack, "Failed to get analyzed port");
goto err_analyzed_port_get;
}
return 0;
err_analyzed_port_get:
mlxsw_sp_span_agent_put(mlxsw_sp, *p_span_id);
err_span_agent_get:
mlxsw_sp_sample_trigger_params_unset(mlxsw_sp, &trigger);
return err;
}
static void mlxsw_sp2_act_sampler_del(void *priv, u8 local_port, int span_id,
bool ingress)
{
struct mlxsw_sp_sample_trigger trigger = {
.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_POLICY_ENGINE,
};
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp = priv;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
mlxsw_sp_span_analyzed_port_put(mlxsw_sp_port, ingress);
mlxsw_sp_span_agent_put(mlxsw_sp, span_id);
mlxsw_sp_sample_trigger_params_unset(mlxsw_sp, &trigger);
}
const struct mlxsw_afa_ops mlxsw_sp2_act_afa_ops = {
.kvdl_set_add = mlxsw_sp2_act_kvdl_set_add,
.kvdl_set_del = mlxsw_sp_act_kvdl_set_del,
.kvdl_set_activity_get = mlxsw_sp2_act_kvdl_set_activity_get,
.kvdl_fwd_entry_add = mlxsw_sp_act_kvdl_fwd_entry_add,
.kvdl_fwd_entry_del = mlxsw_sp_act_kvdl_fwd_entry_del,
.counter_index_get = mlxsw_sp_act_counter_index_get,
.counter_index_put = mlxsw_sp_act_counter_index_put,
.mirror_add = mlxsw_sp_act_mirror_add,
.mirror_del = mlxsw_sp_act_mirror_del,
.policer_add = mlxsw_sp_act_policer_add,
.policer_del = mlxsw_sp_act_policer_del,
.sampler_add = mlxsw_sp2_act_sampler_add,
.sampler_del = mlxsw_sp2_act_sampler_del,
.dummy_first_set = true,
};
int mlxsw_sp_afa_init(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp->afa = mlxsw_afa_create(MLXSW_CORE_RES_GET(mlxsw_sp->core,
ACL_ACTIONS_PER_SET),
mlxsw_sp->afa_ops, mlxsw_sp);
return PTR_ERR_OR_ZERO(mlxsw_sp->afa);
}
void mlxsw_sp_afa_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_afa_destroy(mlxsw_sp->afa);
}
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