| // 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), |
| }, |
| { |
| .policer = MLXSW_SP_TRAP_POLICER(21, 128, 128), |
| }, |
| }; |
| |
| 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, |
| }, |
| { |
| .group = DEVLINK_TRAP_GROUP_GENERIC(EAPOL, 21), |
| .hw_group_id = MLXSW_REG_HTGT_TRAP_GROUP_SP_EAPOL, |
| .priority = 5, |
| }, |
| }; |
| |
| 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), |
| }, |
| }, |
| { |
| .trap = MLXSW_SP_TRAP_CONTROL(EAPOL, EAPOL, TRAP), |
| .listeners_arr = { |
| MLXSW_SP_RXL_NO_MARK(EAPOL, EAPOL, TRAP_TO_CPU, true), |
| }, |
| }, |
| { |
| .trap = MLXSW_SP_TRAP_DROP(LOCKED_PORT, L2_DROPS), |
| .listeners_arr = { |
| MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, FDB_MISS, |
| TRAP_EXCEPTION_TO_CPU, false, |
| SP_L2_DISCARDS, DISCARD, SP_L2_DISCARDS), |
| MLXSW_RXL_DIS(mlxsw_sp_rx_drop_listener, FDB_MISMATCH, |
| TRAP_EXCEPTION_TO_CPU, false, |
| SP_L2_DISCARDS, DISCARD, SP_L2_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, |
| }; |