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Diffstat (limited to 'drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c')
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c1969
1 files changed, 1969 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
new file mode 100644
index 000000000..f4bfdb6da
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_trap.c
@@ -0,0 +1,1969 @@
+// 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(ROUTER_ARPBC, NEIGH_DISCOVERY,
+ TRAP_TO_CPU, false),
+ },
+ },
+ {
+ .trap = MLXSW_SP_TRAP_CONTROL(ARP_RESPONSE, NEIGH_DISCOVERY,
+ MIRROR),
+ .listeners_arr = {
+ MLXSW_SP_RXL_MARK(ROUTER_ARPUC, NEIGH_DISCOVERY,
+ TRAP_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 = devl_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];
+ devl_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];
+ devl_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 = devl_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];
+ devl_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];
+ devl_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 = devl_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];
+ devl_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];
+ devl_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,
+};