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linux/linux-5.18.11/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c

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// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/* Copyright (c) 2019 Mellanox Technologies. All rights reserved */
#include <linux/bitops.h>
#include <linux/kernel.h>
#include <linux/netlink.h>
#include <net/devlink.h>
#include <uapi/linux/devlink.h>
#include "core.h"
#include "reg.h"
#include "spectrum.h"
#include "spectrum_trap.h"
struct mlxsw_sp_trap_policer_item {
struct devlink_trap_policer policer;
u16 hw_id;
};
struct mlxsw_sp_trap_group_item {
struct devlink_trap_group group;
u16 hw_group_id;
u8 priority;
u8 fixed_policer:1; /* Whether policer binding can change */
};
#define MLXSW_SP_TRAP_LISTENERS_MAX 3
struct mlxsw_sp_trap_item {
struct devlink_trap trap;
struct mlxsw_listener listeners_arr[MLXSW_SP_TRAP_LISTENERS_MAX];
u8 is_source:1;
};
/* All driver-specific traps must be documented in
* Documentation/networking/devlink/mlxsw.rst
*/
enum {
DEVLINK_MLXSW_TRAP_ID_BASE = DEVLINK_TRAP_GENERIC_ID_MAX,
DEVLINK_MLXSW_TRAP_ID_IRIF_DISABLED,
DEVLINK_MLXSW_TRAP_ID_ERIF_DISABLED,
};
#define DEVLINK_MLXSW_TRAP_NAME_IRIF_DISABLED \
"irif_disabled"
#define DEVLINK_MLXSW_TRAP_NAME_ERIF_DISABLED \
"erif_disabled"
#define MLXSW_SP_TRAP_METADATA DEVLINK_TRAP_METADATA_TYPE_F_IN_PORT
enum {
/* Packet was mirrored from ingress. */
MLXSW_SP_MIRROR_REASON_INGRESS = 1,
/* Packet was mirrored from policy engine. */
MLXSW_SP_MIRROR_REASON_POLICY_ENGINE = 2,
/* Packet was early dropped. */
MLXSW_SP_MIRROR_REASON_INGRESS_WRED = 9,
/* Packet was mirrored from egress. */
MLXSW_SP_MIRROR_REASON_EGRESS = 14,
};
static int mlxsw_sp_rx_listener(struct mlxsw_sp *mlxsw_sp, struct sk_buff *skb,
u16 local_port,
struct mlxsw_sp_port *mlxsw_sp_port)
{
struct mlxsw_sp_port_pcpu_stats *pcpu_stats;
if (unlikely(!mlxsw_sp_port)) {
dev_warn_ratelimited(mlxsw_sp->bus_info->dev, "Port %d: skb received for non-existent port\n",
local_port);
kfree_skb(skb);
return -EINVAL;
}
skb->dev = mlxsw_sp_port->dev;
pcpu_stats = this_cpu_ptr(mlxsw_sp_port->pcpu_stats);
u64_stats_update_begin(&pcpu_stats->syncp);
pcpu_stats->rx_packets++;
pcpu_stats->rx_bytes += skb->len;
u64_stats_update_end(&pcpu_stats->syncp);
skb->protocol = eth_type_trans(skb, skb->dev);
return 0;
}
static void mlxsw_sp_rx_drop_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
struct devlink_port *in_devlink_port;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp;
struct devlink *devlink;
int err;
mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
mlxsw_sp_port = mlxsw_sp->ports[local_port];
err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port);
if (err)
return;
devlink = priv_to_devlink(mlxsw_sp->core);
in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
local_port);
skb_push(skb, ETH_HLEN);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL);
consume_skb(skb);
}
static void mlxsw_sp_rx_acl_drop_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
u32 cookie_index = mlxsw_skb_cb(skb)->rx_md_info.cookie_index;
const struct flow_action_cookie *fa_cookie;
struct devlink_port *in_devlink_port;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp;
struct devlink *devlink;
int err;
mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
mlxsw_sp_port = mlxsw_sp->ports[local_port];
err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port);
if (err)
return;
devlink = priv_to_devlink(mlxsw_sp->core);
in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
local_port);
skb_push(skb, ETH_HLEN);
rcu_read_lock();
fa_cookie = mlxsw_sp_acl_act_cookie_lookup(mlxsw_sp, cookie_index);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, fa_cookie);
rcu_read_unlock();
consume_skb(skb);
}
static int __mlxsw_sp_rx_no_mark_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
struct devlink_port *in_devlink_port;
struct mlxsw_sp_port *mlxsw_sp_port;
struct mlxsw_sp *mlxsw_sp;
struct devlink *devlink;
int err;
mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
mlxsw_sp_port = mlxsw_sp->ports[local_port];
err = mlxsw_sp_rx_listener(mlxsw_sp, skb, local_port, mlxsw_sp_port);
if (err)
return err;
devlink = priv_to_devlink(mlxsw_sp->core);
in_devlink_port = mlxsw_core_port_devlink_port_get(mlxsw_sp->core,
local_port);
skb_push(skb, ETH_HLEN);
devlink_trap_report(devlink, skb, trap_ctx, in_devlink_port, NULL);
skb_pull(skb, ETH_HLEN);
return 0;
}
static void mlxsw_sp_rx_no_mark_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
int err;
err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
if (err)
return;
netif_receive_skb(skb);
}
static void mlxsw_sp_rx_mark_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
skb->offload_fwd_mark = 1;
mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
}
static void mlxsw_sp_rx_l3_mark_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
skb->offload_l3_fwd_mark = 1;
skb->offload_fwd_mark = 1;
mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
}
static void mlxsw_sp_rx_ptp_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
int err;
err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
if (err)
return;
/* The PTP handler expects skb->data to point to the start of the
* Ethernet header.
*/
skb_push(skb, ETH_HLEN);
mlxsw_sp_ptp_receive(mlxsw_sp, skb, local_port);
}
static struct mlxsw_sp_port *
mlxsw_sp_sample_tx_port_get(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_rx_md_info *rx_md_info)
{
u16 local_port;
if (!rx_md_info->tx_port_valid)
return NULL;
if (rx_md_info->tx_port_is_lag)
local_port = mlxsw_core_lag_mapping_get(mlxsw_sp->core,
rx_md_info->tx_lag_id,
rx_md_info->tx_lag_port_index);
else
local_port = rx_md_info->tx_sys_port;
if (local_port >= mlxsw_core_max_ports(mlxsw_sp->core))
return NULL;
return mlxsw_sp->ports[local_port];
}
/* The latency units are determined according to MOGCR.mirror_latency_units. It
* defaults to 64 nanoseconds.
*/
#define MLXSW_SP_MIRROR_LATENCY_SHIFT 6
static void mlxsw_sp_psample_md_init(struct mlxsw_sp *mlxsw_sp,
struct psample_metadata *md,
struct sk_buff *skb, int in_ifindex,
bool truncate, u32 trunc_size)
{
struct mlxsw_rx_md_info *rx_md_info = &mlxsw_skb_cb(skb)->rx_md_info;
struct mlxsw_sp_port *mlxsw_sp_port;
md->trunc_size = truncate ? trunc_size : skb->len;
md->in_ifindex = in_ifindex;
mlxsw_sp_port = mlxsw_sp_sample_tx_port_get(mlxsw_sp, rx_md_info);
md->out_ifindex = mlxsw_sp_port && mlxsw_sp_port->dev ?
mlxsw_sp_port->dev->ifindex : 0;
md->out_tc_valid = rx_md_info->tx_tc_valid;
md->out_tc = rx_md_info->tx_tc;
md->out_tc_occ_valid = rx_md_info->tx_congestion_valid;
md->out_tc_occ = rx_md_info->tx_congestion;
md->latency_valid = rx_md_info->latency_valid;
md->latency = rx_md_info->latency;
md->latency <<= MLXSW_SP_MIRROR_LATENCY_SHIFT;
}
static void mlxsw_sp_rx_sample_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
struct mlxsw_sp_sample_trigger trigger;
struct mlxsw_sp_sample_params *params;
struct mlxsw_sp_port *mlxsw_sp_port;
struct psample_metadata md = {};
int err;
err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
if (err)
return;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port)
goto out;
trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_INGRESS;
trigger.local_port = local_port;
params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, &trigger);
if (!params)
goto out;
/* The psample module expects skb->data to point to the start of the
* Ethernet header.
*/
skb_push(skb, ETH_HLEN);
mlxsw_sp_psample_md_init(mlxsw_sp, &md, skb,
mlxsw_sp_port->dev->ifindex, params->truncate,
params->trunc_size);
psample_sample_packet(params->psample_group, skb, params->rate, &md);
out:
consume_skb(skb);
}
static void mlxsw_sp_rx_sample_tx_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
struct mlxsw_rx_md_info *rx_md_info = &mlxsw_skb_cb(skb)->rx_md_info;
struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
struct mlxsw_sp_port *mlxsw_sp_port, *mlxsw_sp_port_tx;
struct mlxsw_sp_sample_trigger trigger;
struct mlxsw_sp_sample_params *params;
struct psample_metadata md = {};
int err;
/* Locally generated packets are not reported from the policy engine
* trigger, so do not report them from the egress trigger as well.
*/
if (local_port == MLXSW_PORT_CPU_PORT)
goto out;
err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
if (err)
return;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port)
goto out;
/* Packet was sampled from Tx, so we need to retrieve the sample
* parameters based on the Tx port and not the Rx port.
*/
mlxsw_sp_port_tx = mlxsw_sp_sample_tx_port_get(mlxsw_sp, rx_md_info);
if (!mlxsw_sp_port_tx)
goto out;
trigger.type = MLXSW_SP_SAMPLE_TRIGGER_TYPE_EGRESS;
trigger.local_port = mlxsw_sp_port_tx->local_port;
params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, &trigger);
if (!params)
goto out;
/* The psample module expects skb->data to point to the start of the
* Ethernet header.
*/
skb_push(skb, ETH_HLEN);
mlxsw_sp_psample_md_init(mlxsw_sp, &md, skb,
mlxsw_sp_port->dev->ifindex, params->truncate,
params->trunc_size);
psample_sample_packet(params->psample_group, skb, params->rate, &md);
out:
consume_skb(skb);
}
static void mlxsw_sp_rx_sample_acl_listener(struct sk_buff *skb, u16 local_port,
void *trap_ctx)
{
struct mlxsw_sp *mlxsw_sp = devlink_trap_ctx_priv(trap_ctx);
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 psample_metadata md = {};
int err;
err = __mlxsw_sp_rx_no_mark_listener(skb, local_port, trap_ctx);
if (err)
return;
mlxsw_sp_port = mlxsw_sp->ports[local_port];
if (!mlxsw_sp_port)
goto out;
params = mlxsw_sp_sample_trigger_params_lookup(mlxsw_sp, &trigger);
if (!params)
goto out;
/* The psample module expects skb->data to point to the start of the
* Ethernet header.
*/
skb_push(skb, ETH_HLEN);
mlxsw_sp_psample_md_init(mlxsw_sp, &md, skb,
mlxsw_sp_port->dev->ifindex, params->truncate,
params->trunc_size);
psample_sample_packet(params->psample_group, skb, params->rate, &md);
out:
consume_skb(skb);
}
#define MLXSW_SP_TRAP_DROP(_id, _group_id) \
DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
MLXSW_SP_TRAP_METADATA)
#define MLXSW_SP_TRAP_DROP_EXT(_id, _group_id, _metadata) \
DEVLINK_TRAP_GENERIC(DROP, DROP, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
MLXSW_SP_TRAP_METADATA | (_metadata))
#define MLXSW_SP_TRAP_BUFFER_DROP(_id) \
DEVLINK_TRAP_GENERIC(DROP, TRAP, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_BUFFER_DROPS, \
MLXSW_SP_TRAP_METADATA)
#define MLXSW_SP_TRAP_DRIVER_DROP(_id, _group_id) \
DEVLINK_TRAP_DRIVER(DROP, DROP, DEVLINK_MLXSW_TRAP_ID_##_id, \
DEVLINK_MLXSW_TRAP_NAME_##_id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
MLXSW_SP_TRAP_METADATA)
#define MLXSW_SP_TRAP_EXCEPTION(_id, _group_id) \
DEVLINK_TRAP_GENERIC(EXCEPTION, TRAP, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
MLXSW_SP_TRAP_METADATA)
#define MLXSW_SP_TRAP_CONTROL(_id, _group_id, _action) \
DEVLINK_TRAP_GENERIC(CONTROL, _action, _id, \
DEVLINK_TRAP_GROUP_GENERIC_ID_##_group_id, \
MLXSW_SP_TRAP_METADATA)
#define MLXSW_SP_RXL_DISCARD(_id, _group_id) \
MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, DISCARD_##_id, \
TRAP_EXCEPTION_TO_CPU, false, SP_##_group_id, \
SET_FW_DEFAULT, SP_##_group_id)
#define MLXSW_SP_RXL_ACL_DISCARD(_id, _en_group_id, _dis_group_id) \
MLXSW_RXL_DIS(mlxsw_sp_rx_acl_drop_listener, DISCARD_##_id, \
TRAP_EXCEPTION_TO_CPU, false, SP_##_en_group_id, \
SET_FW_DEFAULT, SP_##_dis_group_id)
#define MLXSW_SP_RXL_BUFFER_DISCARD(_mirror_reason) \
MLXSW_RXL_MIRROR(mlxsw_sp_rx_drop_listener, 0, SP_BUFFER_DISCARDS, \
MLXSW_SP_MIRROR_REASON_##_mirror_reason)
#define MLXSW_SP_RXL_EXCEPTION(_id, _group_id, _action) \
MLXSW_RXL(mlxsw_sp_rx_mark_listener, _id, \
_action, false, SP_##_group_id, SET_FW_DEFAULT)
#define MLXSW_SP_RXL_NO_MARK(_id, _group_id, _action, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_no_mark_listener, _id, _action, \
_is_ctrl, SP_##_group_id, DISCARD)
#define MLXSW_SP_RXL_MARK(_id, _group_id, _action, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_mark_listener, _id, _action, _is_ctrl, \
SP_##_group_id, DISCARD)
#define MLXSW_SP_RXL_L3_MARK(_id, _group_id, _action, _is_ctrl) \
MLXSW_RXL(mlxsw_sp_rx_l3_mark_listener, _id, _action, _is_ctrl, \
SP_##_group_id, DISCARD)
#define MLXSW_SP_TRAP_POLICER(_id, _rate, _burst) \
DEVLINK_TRAP_POLICER(_id, _rate, _burst, \
MLXSW_REG_QPCR_HIGHEST_CIR, \
MLXSW_REG_QPCR_LOWEST_CIR, \
1 << MLXSW_REG_QPCR_HIGHEST_CBS, \
1 << MLXSW_REG_QPCR_LOWEST_CBS)
/* Ordered by policer identifier */
static const struct mlxsw_sp_trap_policer_item
mlxsw_sp_trap_policer_items_arr[] = {
{
.policer = MLXSW_SP_TRAP_POLICER(1, 10 * 1024, 4096),
},
{
.policer = MLXSW_SP_TRAP_POLICER(2, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(3, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(4, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(5, 16 * 1024, 8192),
},
{
.policer = MLXSW_SP_TRAP_POLICER(6, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(7, 1024, 512),
},
{
.policer = MLXSW_SP_TRAP_POLICER(8, 20 * 1024, 8192),
},
{
.policer = MLXSW_SP_TRAP_POLICER(9, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(10, 1024, 512),
},
{
.policer = MLXSW_SP_TRAP_POLICER(11, 256, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(12, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(13, 128, 128),
},
{
.policer = MLXSW_SP_TRAP_POLICER(14, 1024, 512),
},
{
.policer = MLXSW_SP_TRAP_POLICER(15, 1024, 512),
},
{
.policer = MLXSW_SP_TRAP_POLICER(16, 24 * 1024, 16384),
},
{
.policer = MLXSW_SP_TRAP_POLICER(17, 19 * 1024, 8192),
},
{
.policer = MLXSW_SP_TRAP_POLICER(18, 1024, 512),
},
{
.policer = MLXSW_SP_TRAP_POLICER(19, 1024, 512),
},
{
.policer = MLXSW_SP_TRAP_POLICER(20, 10240, 4096),
},
};
static const struct mlxsw_sp_trap_group_item mlxsw_sp_trap_group_items_arr[] = {
{
.group = DEVLINK_TRAP_GROUP_GENERIC(L2_DROPS, 1),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L2_DISCARDS,
.priority = 0,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(L3_DROPS, 1),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_DISCARDS,
.priority = 0,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(L3_EXCEPTIONS, 1),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_L3_EXCEPTIONS,
.priority = 2,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(TUNNEL_DROPS, 1),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_TUNNEL_DISCARDS,
.priority = 0,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(ACL_DROPS, 1),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_ACL_DISCARDS,
.priority = 0,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(STP, 2),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_STP,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(LACP, 3),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(LLDP, 4),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(MC_SNOOPING, 5),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_MC_SNOOPING,
.priority = 3,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(DHCP, 6),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP,
.priority = 2,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(NEIGH_DISCOVERY, 7),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_NEIGH_DISCOVERY,
.priority = 2,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(BFD, 8),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BFD,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(OSPF, 9),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(BGP, 10),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP,
.priority = 4,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(VRRP, 11),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_VRRP,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(PIM, 12),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PIM,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(UC_LB, 13),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_LBERROR,
.priority = 0,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(LOCAL_DELIVERY, 14),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME,
.priority = 2,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(EXTERNAL_DELIVERY, 19),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_EXTERNAL_ROUTE,
.priority = 1,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(IPV6, 15),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_IPV6,
.priority = 2,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(PTP_EVENT, 16),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP0,
.priority = 5,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(PTP_GENERAL, 17),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PTP1,
.priority = 2,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(ACL_TRAP, 18),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_FLOW_LOGGING,
.priority = 4,
},
};
static const struct mlxsw_sp_trap_item mlxsw_sp_trap_items_arr[] = {
{
.trap = MLXSW_SP_TRAP_DROP(SMAC_MC, L2_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_PACKET_SMAC_MC, L2_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(VLAN_TAG_MISMATCH, L2_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_SWITCH_VTAG_ALLOW,
L2_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(INGRESS_VLAN_FILTER, L2_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_SWITCH_VLAN, L2_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(INGRESS_STP_FILTER, L2_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_SWITCH_STP, L2_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(EMPTY_TX_LIST, L2_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_UC, L2_DISCARDS),
MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_MC_NULL, L2_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(PORT_LOOPBACK_FILTER, L2_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(LOOKUP_SWITCH_LB, L2_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(BLACKHOLE_ROUTE, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ROUTER2, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(NON_IP_PACKET, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_NON_IP_PACKET,
L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(UC_DIP_MC_DMAC, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_UC_DIP_MC_DMAC,
L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(DIP_LB, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_DIP_LB, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(SIP_MC, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_MC, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(SIP_LB, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_SIP_LB, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(CORRUPTED_IP_HDR, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_CORRUPTED_IP_HDR,
L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(IPV4_SIP_BC, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ING_ROUTER_IPV4_SIP_BC,
L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_RESERVED_SCOPE,
L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_RESERVED_SCOPE,
L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(IPV6_MC_DIP_INTERFACE_LOCAL_SCOPE,
L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(MTU_ERROR, L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(MTUERROR, L3_EXCEPTIONS,
TRAP_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(TTL_ERROR, L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(TTLERROR, L3_EXCEPTIONS,
TRAP_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(RPF, L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(RPF, L3_EXCEPTIONS, TRAP_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(REJECT_ROUTE, L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(RTR_INGRESS1, L3_EXCEPTIONS,
TRAP_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(UNRESOLVED_NEIGH,
L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV4, L3_EXCEPTIONS,
TRAP_TO_CPU),
MLXSW_SP_RXL_EXCEPTION(HOST_MISS_IPV6, L3_EXCEPTIONS,
TRAP_TO_CPU),
MLXSW_SP_RXL_EXCEPTION(RTR_EGRESS0, L3_EXCEPTIONS,
TRAP_EXCEPTION_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(IPV4_LPM_UNICAST_MISS,
L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM4,
L3_EXCEPTIONS,
TRAP_EXCEPTION_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(IPV6_LPM_UNICAST_MISS,
L3_EXCEPTIONS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(DISCARD_ROUTER_LPM6,
L3_EXCEPTIONS,
TRAP_EXCEPTION_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_DRIVER_DROP(IRIF_DISABLED, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ROUTER_IRIF_EN, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DRIVER_DROP(ERIF_DISABLED, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ROUTER_ERIF_EN, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(NON_ROUTABLE, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(NON_ROUTABLE, L3_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_EXCEPTION(DECAP_ERROR, TUNNEL_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_EXCEPTION(DECAP_ECN0, TUNNEL_DISCARDS,
TRAP_EXCEPTION_TO_CPU),
MLXSW_SP_RXL_EXCEPTION(IPIP_DECAP_ERROR,
TUNNEL_DISCARDS,
TRAP_EXCEPTION_TO_CPU),
MLXSW_SP_RXL_EXCEPTION(DISCARD_DEC_PKT, TUNNEL_DISCARDS,
TRAP_EXCEPTION_TO_CPU),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(OVERLAY_SMAC_MC, TUNNEL_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(OVERLAY_SMAC_MC, TUNNEL_DISCARDS),
},
},
{
.trap = MLXSW_SP_TRAP_DROP_EXT(INGRESS_FLOW_ACTION_DROP,
ACL_DROPS,
DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
.listeners_arr = {
MLXSW_SP_RXL_ACL_DISCARD(INGRESS_ACL, ACL_DISCARDS,
DUMMY),
},
},
{
.trap = MLXSW_SP_TRAP_DROP_EXT(EGRESS_FLOW_ACTION_DROP,
ACL_DROPS,
DEVLINK_TRAP_METADATA_TYPE_F_FA_COOKIE),
.listeners_arr = {
MLXSW_SP_RXL_ACL_DISCARD(EGRESS_ACL, ACL_DISCARDS,
DUMMY),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(STP, STP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(STP, STP, TRAP_TO_CPU, true),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(LACP, LACP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(LACP, LACP, TRAP_TO_CPU, true),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(LLDP, LLDP, TRAP),
.listeners_arr = {
MLXSW_RXL(mlxsw_sp_rx_ptp_listener, LLDP, TRAP_TO_CPU,
true, SP_LLDP, DISCARD),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IGMP_QUERY, MC_SNOOPING, MIRROR),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IGMP_QUERY, MC_SNOOPING,
MIRROR_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IGMP_V1_REPORT, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, MC_SNOOPING,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IGMP_V2_REPORT, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, MC_SNOOPING,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IGMP_V3_REPORT, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, MC_SNOOPING,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IGMP_V2_LEAVE, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, MC_SNOOPING,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(MLD_QUERY, MC_SNOOPING, MIRROR),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_MLDV12_LISTENER_QUERY,
MC_SNOOPING, MIRROR_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(MLD_V1_REPORT, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_REPORT,
MC_SNOOPING, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(MLD_V2_REPORT, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IPV6_MLDV2_LISTENER_REPORT,
MC_SNOOPING, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(MLD_V1_DONE, MC_SNOOPING,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(IPV6_MLDV1_LISTENER_DONE,
MC_SNOOPING, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_DHCP, DHCP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV4_DHCP, DHCP, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_DHCP, DHCP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_DHCP, DHCP, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(ARP_REQUEST, NEIGH_DISCOVERY,
MIRROR),
.listeners_arr = {
MLXSW_SP_RXL_MARK(ARPBC, NEIGH_DISCOVERY, MIRROR_TO_CPU,
false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(ARP_RESPONSE, NEIGH_DISCOVERY,
MIRROR),
.listeners_arr = {
MLXSW_SP_RXL_MARK(ARPUC, NEIGH_DISCOVERY, MIRROR_TO_CPU,
false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(ARP_OVERLAY, NEIGH_DISCOVERY,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(NVE_DECAP_ARP, NEIGH_DISCOVERY,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_NEIGH_SOLICIT,
NEIGH_DISCOVERY, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_SOLICITATION,
NEIGH_DISCOVERY, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_NEIGH_ADVERT,
NEIGH_DISCOVERY, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(L3_IPV6_NEIGHBOR_ADVERTISEMENT,
NEIGH_DISCOVERY, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_BFD, BFD, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV4_BFD, BFD, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_BFD, BFD, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_BFD, BFD, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_OSPF, OSPF, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV4_OSPF, OSPF, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_OSPF, OSPF, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_OSPF, OSPF, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_BGP, BGP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV4_BGP, BGP, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_BGP, BGP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_BGP, BGP, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_VRRP, VRRP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV4_VRRP, VRRP, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_VRRP, VRRP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_VRRP, VRRP, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_PIM, PIM, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV4_PIM, PIM, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_PIM, PIM, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_PIM, PIM, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(UC_LB, UC_LB, MIRROR),
.listeners_arr = {
MLXSW_SP_RXL_L3_MARK(LBERROR, LBERROR, MIRROR_TO_CPU,
false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(LOCAL_ROUTE, LOCAL_DELIVERY,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IP2ME, IP2ME, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(EXTERNAL_ROUTE, EXTERNAL_DELIVERY,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(RTR_INGRESS0, EXTERNAL_ROUTE,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_UC_DIP_LINK_LOCAL_SCOPE,
LOCAL_DELIVERY, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_LINK_LOCAL_DEST, IP2ME,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV4_ROUTER_ALERT, LOCAL_DELIVERY,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV4, IP2ME, TRAP_TO_CPU,
false),
},
},
{
/* IPV6_ROUTER_ALERT is defined in uAPI as 22, but it is not
* used in this file, so undefine it.
*/
#undef IPV6_ROUTER_ALERT
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_ALERT, LOCAL_DELIVERY,
TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(ROUTER_ALERT_IPV6, IP2ME, TRAP_TO_CPU,
false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_DIP_ALL_NODES, IPV6, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_ALL_NODES_LINK, IPV6,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_DIP_ALL_ROUTERS, IPV6, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(IPV6_ALL_ROUTERS_LINK, IPV6,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_SOLICIT, IPV6, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_SOLICITATION, IPV6,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_ROUTER_ADVERT, IPV6, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(L3_IPV6_ROUTER_ADVERTISEMENT, IPV6,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(IPV6_REDIRECT, IPV6, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_MARK(L3_IPV6_REDIRECTION, IPV6,
TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(PTP_EVENT, PTP_EVENT, TRAP),
.listeners_arr = {
MLXSW_RXL(mlxsw_sp_rx_ptp_listener, PTP0, TRAP_TO_CPU,
false, SP_PTP0, DISCARD),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(PTP_GENERAL, PTP_GENERAL, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(PTP1, PTP1, TRAP_TO_CPU, false),
},
},
{
.trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_TRAP, ACL_TRAP, TRAP),
.listeners_arr = {
MLXSW_SP_RXL_NO_MARK(ACL0, FLOW_LOGGING, TRAP_TO_CPU,
false),
},
},
{
.trap = MLXSW_SP_TRAP_DROP(BLACKHOLE_NEXTHOP, L3_DROPS),
.listeners_arr = {
MLXSW_SP_RXL_DISCARD(ROUTER3, L3_DISCARDS),
},
},
};
static struct mlxsw_sp_trap_policer_item *
mlxsw_sp_trap_policer_item_lookup(struct mlxsw_sp *mlxsw_sp, u32 id)
{
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int i;
for (i = 0; i < trap->policers_count; i++) {
if (trap->policer_items_arr[i].policer.id == id)
return &trap->policer_items_arr[i];
}
return NULL;
}
static struct mlxsw_sp_trap_group_item *
mlxsw_sp_trap_group_item_lookup(struct mlxsw_sp *mlxsw_sp, u16 id)
{
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int i;
for (i = 0; i < trap->groups_count; i++) {
if (trap->group_items_arr[i].group.id == id)
return &trap->group_items_arr[i];
}
return NULL;
}
static struct mlxsw_sp_trap_item *
mlxsw_sp_trap_item_lookup(struct mlxsw_sp *mlxsw_sp, u16 id)
{
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int i;
for (i = 0; i < trap->traps_count; i++) {
if (trap->trap_items_arr[i].trap.id == id)
return &trap->trap_items_arr[i];
}
return NULL;
}
static int mlxsw_sp_trap_cpu_policers_set(struct mlxsw_sp *mlxsw_sp)
{
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
char qpcr_pl[MLXSW_REG_QPCR_LEN];
u16 hw_id;
/* The purpose of "thin" policer is to drop as many packets
* as possible. The dummy group is using it.
*/
hw_id = find_first_zero_bit(trap->policers_usage, trap->max_policers);
if (WARN_ON(hw_id == trap->max_policers))
return -ENOBUFS;
__set_bit(hw_id, trap->policers_usage);
trap->thin_policer_hw_id = hw_id;
mlxsw_reg_qpcr_pack(qpcr_pl, hw_id, MLXSW_REG_QPCR_IR_UNITS_M,
false, 1, 4);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qpcr), qpcr_pl);
}
static int mlxsw_sp_trap_dummy_group_init(struct mlxsw_sp *mlxsw_sp)
{
char htgt_pl[MLXSW_REG_HTGT_LEN];
mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_SP_DUMMY,
mlxsw_sp->trap->thin_policer_hw_id, 0, 1);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(htgt), htgt_pl);
}
static int mlxsw_sp_trap_policer_items_arr_init(struct mlxsw_sp *mlxsw_sp)
{
size_t arr_size = ARRAY_SIZE(mlxsw_sp_trap_policer_items_arr);
size_t elem_size = sizeof(struct mlxsw_sp_trap_policer_item);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
size_t free_policers = 0;
u32 last_id;
int i;
for_each_clear_bit(i, trap->policers_usage, trap->max_policers)
free_policers++;
if (arr_size > free_policers) {
dev_err(mlxsw_sp->bus_info->dev, "Exceeded number of supported packet trap policers\n");
return -ENOBUFS;
}
trap->policer_items_arr = kcalloc(free_policers, elem_size, GFP_KERNEL);
if (!trap->policer_items_arr)
return -ENOMEM;
trap->policers_count = free_policers;
/* Initialize policer items array with pre-defined policers. */
memcpy(trap->policer_items_arr, mlxsw_sp_trap_policer_items_arr,
elem_size * arr_size);
/* Initialize policer items array with the rest of the available
* policers.
*/
last_id = mlxsw_sp_trap_policer_items_arr[arr_size - 1].policer.id;
for (i = arr_size; i < trap->policers_count; i++) {
const struct mlxsw_sp_trap_policer_item *policer_item;
/* Use parameters set for first policer and override
* relevant ones.
*/
policer_item = &mlxsw_sp_trap_policer_items_arr[0];
trap->policer_items_arr[i] = *policer_item;
trap->policer_items_arr[i].policer.id = ++last_id;
trap->policer_items_arr[i].policer.init_rate = 1;
trap->policer_items_arr[i].policer.init_burst = 16;
}
return 0;
}
static void mlxsw_sp_trap_policer_items_arr_fini(struct mlxsw_sp *mlxsw_sp)
{
kfree(mlxsw_sp->trap->policer_items_arr);
}
static int mlxsw_sp_trap_policers_init(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
const struct mlxsw_sp_trap_policer_item *policer_item;
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int err, i;
err = mlxsw_sp_trap_policer_items_arr_init(mlxsw_sp);
if (err)
return err;
for (i = 0; i < trap->policers_count; i++) {
policer_item = &trap->policer_items_arr[i];
err = devlink_trap_policers_register(devlink,
&policer_item->policer, 1);
if (err)
goto err_trap_policer_register;
}
return 0;
err_trap_policer_register:
for (i--; i >= 0; i--) {
policer_item = &trap->policer_items_arr[i];
devlink_trap_policers_unregister(devlink,
&policer_item->policer, 1);
}
mlxsw_sp_trap_policer_items_arr_fini(mlxsw_sp);
return err;
}
static void mlxsw_sp_trap_policers_fini(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
const struct mlxsw_sp_trap_policer_item *policer_item;
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int i;
for (i = trap->policers_count - 1; i >= 0; i--) {
policer_item = &trap->policer_items_arr[i];
devlink_trap_policers_unregister(devlink,
&policer_item->policer, 1);
}
mlxsw_sp_trap_policer_items_arr_fini(mlxsw_sp);
}
static int mlxsw_sp_trap_group_items_arr_init(struct mlxsw_sp *mlxsw_sp)
{
size_t common_groups_count = ARRAY_SIZE(mlxsw_sp_trap_group_items_arr);
const struct mlxsw_sp_trap_group_item *spec_group_items_arr;
size_t elem_size = sizeof(struct mlxsw_sp_trap_group_item);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
size_t groups_count, spec_groups_count;
int err;
err = mlxsw_sp->trap_ops->groups_init(mlxsw_sp, &spec_group_items_arr,
&spec_groups_count);
if (err)
return err;
/* The group items array is created by concatenating the common trap
* group items and the ASIC-specific trap group items.
*/
groups_count = common_groups_count + spec_groups_count;
trap->group_items_arr = kcalloc(groups_count, elem_size, GFP_KERNEL);
if (!trap->group_items_arr)
return -ENOMEM;
memcpy(trap->group_items_arr, mlxsw_sp_trap_group_items_arr,
elem_size * common_groups_count);
memcpy(trap->group_items_arr + common_groups_count,
spec_group_items_arr, elem_size * spec_groups_count);
trap->groups_count = groups_count;
return 0;
}
static void mlxsw_sp_trap_group_items_arr_fini(struct mlxsw_sp *mlxsw_sp)
{
kfree(mlxsw_sp->trap->group_items_arr);
}
static int mlxsw_sp_trap_groups_init(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
const struct mlxsw_sp_trap_group_item *group_item;
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int err, i;
err = mlxsw_sp_trap_group_items_arr_init(mlxsw_sp);
if (err)
return err;
for (i = 0; i < trap->groups_count; i++) {
group_item = &trap->group_items_arr[i];
err = devlink_trap_groups_register(devlink, &group_item->group,
1);
if (err)
goto err_trap_group_register;
}
return 0;
err_trap_group_register:
for (i--; i >= 0; i--) {
group_item = &trap->group_items_arr[i];
devlink_trap_groups_unregister(devlink, &group_item->group, 1);
}
mlxsw_sp_trap_group_items_arr_fini(mlxsw_sp);
return err;
}
static void mlxsw_sp_trap_groups_fini(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int i;
for (i = trap->groups_count - 1; i >= 0; i--) {
const struct mlxsw_sp_trap_group_item *group_item;
group_item = &trap->group_items_arr[i];
devlink_trap_groups_unregister(devlink, &group_item->group, 1);
}
mlxsw_sp_trap_group_items_arr_fini(mlxsw_sp);
}
static bool
mlxsw_sp_trap_listener_is_valid(const struct mlxsw_listener *listener)
{
return listener->trap_id != 0;
}
static int mlxsw_sp_trap_items_arr_init(struct mlxsw_sp *mlxsw_sp)
{
size_t common_traps_count = ARRAY_SIZE(mlxsw_sp_trap_items_arr);
const struct mlxsw_sp_trap_item *spec_trap_items_arr;
size_t elem_size = sizeof(struct mlxsw_sp_trap_item);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
size_t traps_count, spec_traps_count;
int err;
err = mlxsw_sp->trap_ops->traps_init(mlxsw_sp, &spec_trap_items_arr,
&spec_traps_count);
if (err)
return err;
/* The trap items array is created by concatenating the common trap
* items and the ASIC-specific trap items.
*/
traps_count = common_traps_count + spec_traps_count;
trap->trap_items_arr = kcalloc(traps_count, elem_size, GFP_KERNEL);
if (!trap->trap_items_arr)
return -ENOMEM;
memcpy(trap->trap_items_arr, mlxsw_sp_trap_items_arr,
elem_size * common_traps_count);
memcpy(trap->trap_items_arr + common_traps_count,
spec_trap_items_arr, elem_size * spec_traps_count);
trap->traps_count = traps_count;
return 0;
}
static void mlxsw_sp_trap_items_arr_fini(struct mlxsw_sp *mlxsw_sp)
{
kfree(mlxsw_sp->trap->trap_items_arr);
}
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
const struct mlxsw_sp_trap_item *trap_item;
int err, i;
err = mlxsw_sp_trap_items_arr_init(mlxsw_sp);
if (err)
return err;
for (i = 0; i < trap->traps_count; i++) {
trap_item = &trap->trap_items_arr[i];
err = devlink_traps_register(devlink, &trap_item->trap, 1,
mlxsw_sp);
if (err)
goto err_trap_register;
}
return 0;
err_trap_register:
for (i--; i >= 0; i--) {
trap_item = &trap->trap_items_arr[i];
devlink_traps_unregister(devlink, &trap_item->trap, 1);
}
mlxsw_sp_trap_items_arr_fini(mlxsw_sp);
return err;
}
static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
struct devlink *devlink = priv_to_devlink(mlxsw_sp->core);
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
int i;
for (i = trap->traps_count - 1; i >= 0; i--) {
const struct mlxsw_sp_trap_item *trap_item;
trap_item = &trap->trap_items_arr[i];
devlink_traps_unregister(devlink, &trap_item->trap, 1);
}
mlxsw_sp_trap_items_arr_fini(mlxsw_sp);
}
int mlxsw_sp_devlink_traps_init(struct mlxsw_sp *mlxsw_sp)
{
int err;
err = mlxsw_sp_trap_cpu_policers_set(mlxsw_sp);
if (err)
return err;
err = mlxsw_sp_trap_dummy_group_init(mlxsw_sp);
if (err)
return err;
err = mlxsw_sp_trap_policers_init(mlxsw_sp);
if (err)
return err;
err = mlxsw_sp_trap_groups_init(mlxsw_sp);
if (err)
goto err_trap_groups_init;
err = mlxsw_sp_traps_init(mlxsw_sp);
if (err)
goto err_traps_init;
return 0;
err_traps_init:
mlxsw_sp_trap_groups_fini(mlxsw_sp);
err_trap_groups_init:
mlxsw_sp_trap_policers_fini(mlxsw_sp);
return err;
}
void mlxsw_sp_devlink_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
mlxsw_sp_traps_fini(mlxsw_sp);
mlxsw_sp_trap_groups_fini(mlxsw_sp);
mlxsw_sp_trap_policers_fini(mlxsw_sp);
}
int mlxsw_sp_trap_init(struct mlxsw_core *mlxsw_core,
const struct devlink_trap *trap, void *trap_ctx)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
const struct mlxsw_sp_trap_item *trap_item;
int i;
trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, trap->id);
if (WARN_ON(!trap_item))
return -EINVAL;
for (i = 0; i < MLXSW_SP_TRAP_LISTENERS_MAX; i++) {
const struct mlxsw_listener *listener;
int err;
listener = &trap_item->listeners_arr[i];
if (!mlxsw_sp_trap_listener_is_valid(listener))
continue;
err = mlxsw_core_trap_register(mlxsw_core, listener, trap_ctx);
if (err)
return err;
}
return 0;
}
void mlxsw_sp_trap_fini(struct mlxsw_core *mlxsw_core,
const struct devlink_trap *trap, void *trap_ctx)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
const struct mlxsw_sp_trap_item *trap_item;
int i;
trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, trap->id);
if (WARN_ON(!trap_item))
return;
for (i = MLXSW_SP_TRAP_LISTENERS_MAX - 1; i >= 0; i--) {
const struct mlxsw_listener *listener;
listener = &trap_item->listeners_arr[i];
if (!mlxsw_sp_trap_listener_is_valid(listener))
continue;
mlxsw_core_trap_unregister(mlxsw_core, listener, trap_ctx);
}
}
int mlxsw_sp_trap_action_set(struct mlxsw_core *mlxsw_core,
const struct devlink_trap *trap,
enum devlink_trap_action action,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
const struct mlxsw_sp_trap_item *trap_item;
int i;
trap_item = mlxsw_sp_trap_item_lookup(mlxsw_sp, trap->id);
if (WARN_ON(!trap_item))
return -EINVAL;
if (trap_item->is_source) {
NL_SET_ERR_MSG_MOD(extack, "Changing the action of source traps is not supported");
return -EOPNOTSUPP;
}
for (i = 0; i < MLXSW_SP_TRAP_LISTENERS_MAX; i++) {
const struct mlxsw_listener *listener;
bool enabled;
int err;
listener = &trap_item->listeners_arr[i];
if (!mlxsw_sp_trap_listener_is_valid(listener))
continue;
switch (action) {
case DEVLINK_TRAP_ACTION_DROP:
enabled = false;
break;
case DEVLINK_TRAP_ACTION_TRAP:
enabled = true;
break;
default:
return -EINVAL;
}
err = mlxsw_core_trap_state_set(mlxsw_core, listener, enabled);
if (err)
return err;
}
return 0;
}
static int
__mlxsw_sp_trap_group_init(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_group *group,
u32 policer_id, struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
u16 hw_policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
const struct mlxsw_sp_trap_group_item *group_item;
char htgt_pl[MLXSW_REG_HTGT_LEN];
group_item = mlxsw_sp_trap_group_item_lookup(mlxsw_sp, group->id);
if (WARN_ON(!group_item))
return -EINVAL;
if (group_item->fixed_policer && policer_id != group->init_policer_id) {
NL_SET_ERR_MSG_MOD(extack, "Changing the policer binding of this group is not supported");
return -EOPNOTSUPP;
}
if (policer_id) {
struct mlxsw_sp_trap_policer_item *policer_item;
policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp,
policer_id);
if (WARN_ON(!policer_item))
return -EINVAL;
hw_policer_id = policer_item->hw_id;
}
mlxsw_reg_htgt_pack(htgt_pl, group_item->hw_group_id, hw_policer_id,
group_item->priority, group_item->priority);
return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}
int mlxsw_sp_trap_group_init(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_group *group)
{
return __mlxsw_sp_trap_group_init(mlxsw_core, group,
group->init_policer_id, NULL);
}
int mlxsw_sp_trap_group_set(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_group *group,
const struct devlink_trap_policer *policer,
struct netlink_ext_ack *extack)
{
u32 policer_id = policer ? policer->id : 0;
return __mlxsw_sp_trap_group_init(mlxsw_core, group, policer_id,
extack);
}
static int
mlxsw_sp_trap_policer_item_init(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_trap_policer_item *policer_item)
{
struct mlxsw_sp_trap *trap = mlxsw_sp->trap;
u16 hw_id;
/* We should be able to allocate a policer because the number of
* policers we registered with devlink is in according with the number
* of available policers.
*/
hw_id = find_first_zero_bit(trap->policers_usage, trap->max_policers);
if (WARN_ON(hw_id == trap->max_policers))
return -ENOBUFS;
__set_bit(hw_id, trap->policers_usage);
policer_item->hw_id = hw_id;
return 0;
}
static void
mlxsw_sp_trap_policer_item_fini(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_trap_policer_item *policer_item)
{
__clear_bit(policer_item->hw_id, mlxsw_sp->trap->policers_usage);
}
static int mlxsw_sp_trap_policer_bs(u64 burst, u8 *p_burst_size,
struct netlink_ext_ack *extack)
{
int bs = fls64(burst) - 1;
if (burst != (BIT_ULL(bs))) {
NL_SET_ERR_MSG_MOD(extack, "Policer burst size is not power of two");
return -EINVAL;
}
*p_burst_size = bs;
return 0;
}
static int __mlxsw_sp_trap_policer_set(struct mlxsw_sp *mlxsw_sp, u16 hw_id,
u64 rate, u64 burst, bool clear_counter,
struct netlink_ext_ack *extack)
{
char qpcr_pl[MLXSW_REG_QPCR_LEN];
u8 burst_size;
int err;
err = mlxsw_sp_trap_policer_bs(burst, &burst_size, extack);
if (err)
return err;
mlxsw_reg_qpcr_pack(qpcr_pl, hw_id, MLXSW_REG_QPCR_IR_UNITS_M, false,
rate, burst_size);
mlxsw_reg_qpcr_clear_counter_set(qpcr_pl, clear_counter);
return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qpcr), qpcr_pl);
}
int mlxsw_sp_trap_policer_init(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_trap_policer_item *policer_item;
int err;
policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, policer->id);
if (WARN_ON(!policer_item))
return -EINVAL;
err = mlxsw_sp_trap_policer_item_init(mlxsw_sp, policer_item);
if (err)
return err;
err = __mlxsw_sp_trap_policer_set(mlxsw_sp, policer_item->hw_id,
policer->init_rate,
policer->init_burst, true, NULL);
if (err)
goto err_trap_policer_set;
return 0;
err_trap_policer_set:
mlxsw_sp_trap_policer_item_fini(mlxsw_sp, policer_item);
return err;
}
void mlxsw_sp_trap_policer_fini(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_trap_policer_item *policer_item;
policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, policer->id);
if (WARN_ON(!policer_item))
return;
mlxsw_sp_trap_policer_item_fini(mlxsw_sp, policer_item);
}
int mlxsw_sp_trap_policer_set(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer,
u64 rate, u64 burst,
struct netlink_ext_ack *extack)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_trap_policer_item *policer_item;
policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, policer->id);
if (WARN_ON(!policer_item))
return -EINVAL;
return __mlxsw_sp_trap_policer_set(mlxsw_sp, policer_item->hw_id,
rate, burst, false, extack);
}
int
mlxsw_sp_trap_policer_counter_get(struct mlxsw_core *mlxsw_core,
const struct devlink_trap_policer *policer,
u64 *p_drops)
{
struct mlxsw_sp *mlxsw_sp = mlxsw_core_driver_priv(mlxsw_core);
struct mlxsw_sp_trap_policer_item *policer_item;
char qpcr_pl[MLXSW_REG_QPCR_LEN];
int err;
policer_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, policer->id);
if (WARN_ON(!policer_item))
return -EINVAL;
mlxsw_reg_qpcr_pack(qpcr_pl, policer_item->hw_id,
MLXSW_REG_QPCR_IR_UNITS_M, false, 0, 0);
err = mlxsw_reg_query(mlxsw_sp->core, MLXSW_REG(qpcr), qpcr_pl);
if (err)
return err;
*p_drops = mlxsw_reg_qpcr_violate_count_get(qpcr_pl);
return 0;
}
int mlxsw_sp_trap_group_policer_hw_id_get(struct mlxsw_sp *mlxsw_sp, u16 id,
bool *p_enabled, u16 *p_hw_id)
{
struct mlxsw_sp_trap_policer_item *pol_item;
struct mlxsw_sp_trap_group_item *gr_item;
u32 pol_id;
gr_item = mlxsw_sp_trap_group_item_lookup(mlxsw_sp, id);
if (!gr_item)
return -ENOENT;
pol_id = gr_item->group.init_policer_id;
if (!pol_id) {
*p_enabled = false;
return 0;
}
pol_item = mlxsw_sp_trap_policer_item_lookup(mlxsw_sp, pol_id);
if (WARN_ON(!pol_item))
return -ENOENT;
*p_enabled = true;
*p_hw_id = pol_item->hw_id;
return 0;
}
static const struct mlxsw_sp_trap_group_item
mlxsw_sp1_trap_group_items_arr[] = {
{
.group = DEVLINK_TRAP_GROUP_GENERIC(ACL_SAMPLE, 0),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE,
.priority = 0,
},
};
static const struct mlxsw_sp_trap_item
mlxsw_sp1_trap_items_arr[] = {
{
.trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_SAMPLE, ACL_SAMPLE,
MIRROR),
.listeners_arr = {
MLXSW_RXL(mlxsw_sp_rx_sample_listener, PKT_SAMPLE,
MIRROR_TO_CPU, false, SP_PKT_SAMPLE, DISCARD),
},
},
};
static int
mlxsw_sp1_trap_groups_init(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_trap_group_item **arr,
size_t *p_groups_count)
{
*arr = mlxsw_sp1_trap_group_items_arr;
*p_groups_count = ARRAY_SIZE(mlxsw_sp1_trap_group_items_arr);
return 0;
}
static int mlxsw_sp1_traps_init(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_trap_item **arr,
size_t *p_traps_count)
{
*arr = mlxsw_sp1_trap_items_arr;
*p_traps_count = ARRAY_SIZE(mlxsw_sp1_trap_items_arr);
return 0;
}
const struct mlxsw_sp_trap_ops mlxsw_sp1_trap_ops = {
.groups_init = mlxsw_sp1_trap_groups_init,
.traps_init = mlxsw_sp1_traps_init,
};
static const struct mlxsw_sp_trap_group_item
mlxsw_sp2_trap_group_items_arr[] = {
{
.group = DEVLINK_TRAP_GROUP_GENERIC(BUFFER_DROPS, 20),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_BUFFER_DISCARDS,
.priority = 0,
.fixed_policer = true,
},
{
.group = DEVLINK_TRAP_GROUP_GENERIC(ACL_SAMPLE, 0),
.hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_PKT_SAMPLE,
.priority = 0,
.fixed_policer = true,
},
};
static const struct mlxsw_sp_trap_item
mlxsw_sp2_trap_items_arr[] = {
{
.trap = MLXSW_SP_TRAP_BUFFER_DROP(EARLY_DROP),
.listeners_arr = {
MLXSW_SP_RXL_BUFFER_DISCARD(INGRESS_WRED),
},
.is_source = true,
},
{
.trap = MLXSW_SP_TRAP_CONTROL(FLOW_ACTION_SAMPLE, ACL_SAMPLE,
MIRROR),
.listeners_arr = {
MLXSW_RXL_MIRROR(mlxsw_sp_rx_sample_listener, 1,
SP_PKT_SAMPLE,
MLXSW_SP_MIRROR_REASON_INGRESS),
MLXSW_RXL_MIRROR(mlxsw_sp_rx_sample_tx_listener, 1,
SP_PKT_SAMPLE,
MLXSW_SP_MIRROR_REASON_EGRESS),
MLXSW_RXL_MIRROR(mlxsw_sp_rx_sample_acl_listener, 1,
SP_PKT_SAMPLE,
MLXSW_SP_MIRROR_REASON_POLICY_ENGINE),
},
},
};
static int
mlxsw_sp2_trap_groups_init(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_trap_group_item **arr,
size_t *p_groups_count)
{
*arr = mlxsw_sp2_trap_group_items_arr;
*p_groups_count = ARRAY_SIZE(mlxsw_sp2_trap_group_items_arr);
return 0;
}
static int mlxsw_sp2_traps_init(struct mlxsw_sp *mlxsw_sp,
const struct mlxsw_sp_trap_item **arr,
size_t *p_traps_count)
{
*arr = mlxsw_sp2_trap_items_arr;
*p_traps_count = ARRAY_SIZE(mlxsw_sp2_trap_items_arr);
return 0;
}
const struct mlxsw_sp_trap_ops mlxsw_sp2_trap_ops = {
.groups_init = mlxsw_sp2_trap_groups_init,
.traps_init = mlxsw_sp2_traps_init,
};
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