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authorDavid S. Miller <davem@davemloft.net>2016-11-25 21:22:28 -0500
committerDavid S. Miller <davem@davemloft.net>2016-11-25 21:22:28 -0500
commite5f12b3f5ebb8a6ffd3864a04f687ea0ef78a48a (patch)
tree7bb70843f9279d31ad544cbf9bc87e10d1751c3b
parenteafa6abd99eadb8971c01a4c591295ac4d8d0a9b (diff)
parent9148e7cf73ced9bf9d2a1104f6ab3b69303662a2 (diff)
downloadlinux-e5f12b3f5ebb8a6ffd3864a04f687ea0ef78a48a.tar.bz2
Merge branch 'mlxsw-trap-groups-and-policers'
Jiri Pirko says: ==================== mlxsw: traps, trap groups and policers Nogah says: For a packet to be sent from the HW to the cpu, it needs to be trapped. For a trap to be activate it should be assigned to a trap group. Those trap groups can have policers, to limit the packet rate (the max number of packets that can be sent to the cpu in a time slot, the rest will be discarded) or the data rate (the same, but the count is not by the number of packets but by their total length in bytes). This patchset rearrange the trap setting API, re-write the traps and the trap groups list in spectrum and assign them policers. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.c116
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/core.h52
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/reg.h231
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/resources.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/spectrum.c322
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/switchib.c78
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/switchx2.c229
-rw-r--r--drivers/net/ethernet/mellanox/mlxsw/trap.h1
8 files changed, 625 insertions, 408 deletions
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c
index bcd7251385e3..b21f88c66d1d 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.c
@@ -572,27 +572,9 @@ free_skb:
dev_kfree_skb(skb);
}
-static const struct mlxsw_rx_listener mlxsw_emad_rx_listener = {
- .func = mlxsw_emad_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_ETHEMAD,
-};
-
-static int mlxsw_emad_traps_set(struct mlxsw_core *mlxsw_core)
-{
- char htgt_pl[MLXSW_REG_HTGT_LEN];
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
- int err;
-
- mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD);
- err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
- if (err)
- return err;
-
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU,
- MLXSW_TRAP_ID_ETHEMAD);
- return mlxsw_reg_write(mlxsw_core, MLXSW_REG(hpkt), hpkt_pl);
-}
+static const struct mlxsw_listener mlxsw_emad_rx_listener =
+ MLXSW_RXL(mlxsw_emad_rx_listener_func, ETHEMAD, TRAP_TO_CPU, false,
+ EMAD, DISCARD);
static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core)
{
@@ -613,42 +595,33 @@ static int mlxsw_emad_init(struct mlxsw_core *mlxsw_core)
INIT_LIST_HEAD(&mlxsw_core->emad.trans_list);
spin_lock_init(&mlxsw_core->emad.trans_list_lock);
- err = mlxsw_core_rx_listener_register(mlxsw_core,
- &mlxsw_emad_rx_listener,
- mlxsw_core);
+ err = mlxsw_core_trap_register(mlxsw_core, &mlxsw_emad_rx_listener,
+ mlxsw_core);
if (err)
return err;
- err = mlxsw_emad_traps_set(mlxsw_core);
+ err = mlxsw_core->driver->basic_trap_groups_set(mlxsw_core);
if (err)
goto err_emad_trap_set;
-
mlxsw_core->emad.use_emad = true;
return 0;
err_emad_trap_set:
- mlxsw_core_rx_listener_unregister(mlxsw_core,
- &mlxsw_emad_rx_listener,
- mlxsw_core);
+ mlxsw_core_trap_unregister(mlxsw_core, &mlxsw_emad_rx_listener,
+ mlxsw_core);
return err;
}
static void mlxsw_emad_fini(struct mlxsw_core *mlxsw_core)
{
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
if (!(mlxsw_core->bus->features & MLXSW_BUS_F_TXRX))
return;
mlxsw_core->emad.use_emad = false;
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_DISCARD,
- MLXSW_TRAP_ID_ETHEMAD);
- mlxsw_reg_write(mlxsw_core, MLXSW_REG(hpkt), hpkt_pl);
-
- mlxsw_core_rx_listener_unregister(mlxsw_core,
- &mlxsw_emad_rx_listener,
- mlxsw_core);
+ mlxsw_core_trap_unregister(mlxsw_core, &mlxsw_emad_rx_listener,
+ mlxsw_core);
}
static struct sk_buff *mlxsw_emad_alloc(const struct mlxsw_core *mlxsw_core,
@@ -1392,6 +1365,75 @@ void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
}
EXPORT_SYMBOL(mlxsw_core_event_listener_unregister);
+static int mlxsw_core_listener_register(struct mlxsw_core *mlxsw_core,
+ const struct mlxsw_listener *listener,
+ void *priv)
+{
+ if (listener->is_event)
+ return mlxsw_core_event_listener_register(mlxsw_core,
+ &listener->u.event_listener,
+ priv);
+ else
+ return mlxsw_core_rx_listener_register(mlxsw_core,
+ &listener->u.rx_listener,
+ priv);
+}
+
+static void mlxsw_core_listener_unregister(struct mlxsw_core *mlxsw_core,
+ const struct mlxsw_listener *listener,
+ void *priv)
+{
+ if (listener->is_event)
+ mlxsw_core_event_listener_unregister(mlxsw_core,
+ &listener->u.event_listener,
+ priv);
+ else
+ mlxsw_core_rx_listener_unregister(mlxsw_core,
+ &listener->u.rx_listener,
+ priv);
+}
+
+int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
+ const struct mlxsw_listener *listener, void *priv)
+{
+ char hpkt_pl[MLXSW_REG_HPKT_LEN];
+ int err;
+
+ err = mlxsw_core_listener_register(mlxsw_core, listener, priv);
+ if (err)
+ return err;
+
+ mlxsw_reg_hpkt_pack(hpkt_pl, listener->action, listener->trap_id,
+ listener->trap_group, listener->is_ctrl);
+ err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(hpkt), hpkt_pl);
+ if (err)
+ goto err_trap_set;
+
+ return 0;
+
+err_trap_set:
+ mlxsw_core_listener_unregister(mlxsw_core, listener, priv);
+ return err;
+}
+EXPORT_SYMBOL(mlxsw_core_trap_register);
+
+void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
+ const struct mlxsw_listener *listener,
+ void *priv)
+{
+ char hpkt_pl[MLXSW_REG_HPKT_LEN];
+
+ if (!listener->is_event) {
+ mlxsw_reg_hpkt_pack(hpkt_pl, listener->unreg_action,
+ listener->trap_id, listener->trap_group,
+ listener->is_ctrl);
+ mlxsw_reg_write(mlxsw_core, MLXSW_REG(hpkt), hpkt_pl);
+ }
+
+ mlxsw_core_listener_unregister(mlxsw_core, listener, priv);
+}
+EXPORT_SYMBOL(mlxsw_core_trap_unregister);
+
static u64 mlxsw_core_tid_get(struct mlxsw_core *mlxsw_core)
{
return atomic64_inc_return(&mlxsw_core->emad.tid);
diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.h b/drivers/net/ethernet/mellanox/mlxsw/core.h
index 3de8955a26fd..e856b49b83de 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/core.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/core.h
@@ -90,6 +90,50 @@ struct mlxsw_event_listener {
enum mlxsw_event_trap_id trap_id;
};
+struct mlxsw_listener {
+ u16 trap_id;
+ union {
+ struct mlxsw_rx_listener rx_listener;
+ struct mlxsw_event_listener event_listener;
+ } u;
+ enum mlxsw_reg_hpkt_action action;
+ enum mlxsw_reg_hpkt_action unreg_action;
+ u8 trap_group;
+ bool is_ctrl; /* should go via control buffer or not */
+ bool is_event;
+};
+
+#define MLXSW_RXL(_func, _trap_id, _action, _is_ctrl, _trap_group, \
+ _unreg_action) \
+ { \
+ .trap_id = MLXSW_TRAP_ID_##_trap_id, \
+ .u.rx_listener = \
+ { \
+ .func = _func, \
+ .local_port = MLXSW_PORT_DONT_CARE, \
+ .trap_id = MLXSW_TRAP_ID_##_trap_id, \
+ }, \
+ .action = MLXSW_REG_HPKT_ACTION_##_action, \
+ .unreg_action = MLXSW_REG_HPKT_ACTION_##_unreg_action, \
+ .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
+ .is_ctrl = _is_ctrl, \
+ .is_event = false, \
+ }
+
+#define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
+ { \
+ .trap_id = MLXSW_TRAP_ID_##_trap_id, \
+ .u.event_listener = \
+ { \
+ .func = _func, \
+ .trap_id = MLXSW_TRAP_ID_##_trap_id, \
+ }, \
+ .action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
+ .trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
+ .is_ctrl = false, \
+ .is_event = true, \
+ }
+
int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
const struct mlxsw_rx_listener *rxl,
void *priv);
@@ -104,6 +148,13 @@ void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
const struct mlxsw_event_listener *el,
void *priv);
+int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
+ const struct mlxsw_listener *listener,
+ void *priv);
+void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
+ const struct mlxsw_listener *listener,
+ void *priv);
+
typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
size_t payload_len, unsigned long cb_priv);
@@ -214,6 +265,7 @@ struct mlxsw_driver {
int (*init)(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info);
void (*fini)(struct mlxsw_core *mlxsw_core);
+ int (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core);
int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port,
enum devlink_port_type new_type);
int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 2618e9cf3aab..1357fe04391b 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -1757,6 +1757,146 @@ static inline void mlxsw_reg_spvmlr_pack(char *payload, u8 local_port,
}
}
+/* QPCR - QoS Policer Configuration Register
+ * -----------------------------------------
+ * The QPCR register is used to create policers - that limit
+ * the rate of bytes or packets via some trap group.
+ */
+#define MLXSW_REG_QPCR_ID 0x4004
+#define MLXSW_REG_QPCR_LEN 0x28
+
+MLXSW_REG_DEFINE(qpcr, MLXSW_REG_QPCR_ID, MLXSW_REG_QPCR_LEN);
+
+enum mlxsw_reg_qpcr_g {
+ MLXSW_REG_QPCR_G_GLOBAL = 2,
+ MLXSW_REG_QPCR_G_STORM_CONTROL = 3,
+};
+
+/* reg_qpcr_g
+ * The policer type.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, qpcr, g, 0x00, 14, 2);
+
+/* reg_qpcr_pid
+ * Policer ID.
+ * Access: Index
+ */
+MLXSW_ITEM32(reg, qpcr, pid, 0x00, 0, 14);
+
+/* reg_qpcr_color_aware
+ * Is the policer aware of colors.
+ * Must be 0 (unaware) for cpu port.
+ * Access: RW for unbounded policer. RO for bounded policer.
+ */
+MLXSW_ITEM32(reg, qpcr, color_aware, 0x04, 15, 1);
+
+/* reg_qpcr_bytes
+ * Is policer limit is for bytes per sec or packets per sec.
+ * 0 - packets
+ * 1 - bytes
+ * Access: RW for unbounded policer. RO for bounded policer.
+ */
+MLXSW_ITEM32(reg, qpcr, bytes, 0x04, 14, 1);
+
+enum mlxsw_reg_qpcr_ir_units {
+ MLXSW_REG_QPCR_IR_UNITS_M,
+ MLXSW_REG_QPCR_IR_UNITS_K,
+};
+
+/* reg_qpcr_ir_units
+ * Policer's units for cir and eir fields (for bytes limits only)
+ * 1 - 10^3
+ * 0 - 10^6
+ * Access: OP
+ */
+MLXSW_ITEM32(reg, qpcr, ir_units, 0x04, 12, 1);
+
+enum mlxsw_reg_qpcr_rate_type {
+ MLXSW_REG_QPCR_RATE_TYPE_SINGLE = 1,
+ MLXSW_REG_QPCR_RATE_TYPE_DOUBLE = 2,
+};
+
+/* reg_qpcr_rate_type
+ * Policer can have one limit (single rate) or 2 limits with specific operation
+ * for packets that exceed the lower rate but not the upper one.
+ * (For cpu port must be single rate)
+ * Access: RW for unbounded policer. RO for bounded policer.
+ */
+MLXSW_ITEM32(reg, qpcr, rate_type, 0x04, 8, 2);
+
+/* reg_qpc_cbs
+ * Policer's committed burst size.
+ * The policer is working with time slices of 50 nano sec. By default every
+ * slice is granted the proportionate share of the committed rate. If we want to
+ * allow a slice to exceed that share (while still keeping the rate per sec) we
+ * can allow burst. The burst size is between the default proportionate share
+ * (and no lower than 8) to 32Gb. (Even though giving a number higher than the
+ * committed rate will result in exceeding the rate). The burst size must be a
+ * log of 2 and will be determined by 2^cbs.
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, qpcr, cbs, 0x08, 24, 6);
+
+/* reg_qpcr_cir
+ * Policer's committed rate.
+ * The rate used for sungle rate, the lower rate for double rate.
+ * For bytes limits, the rate will be this value * the unit from ir_units.
+ * (Resolution error is up to 1%).
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, qpcr, cir, 0x0C, 0, 32);
+
+/* reg_qpcr_eir
+ * Policer's exceed rate.
+ * The higher rate for double rate, reserved for single rate.
+ * Lower rate for double rate policer.
+ * For bytes limits, the rate will be this value * the unit from ir_units.
+ * (Resolution error is up to 1%).
+ * Access: RW
+ */
+MLXSW_ITEM32(reg, qpcr, eir, 0x10, 0, 32);
+
+#define MLXSW_REG_QPCR_DOUBLE_RATE_ACTION 2
+
+/* reg_qpcr_exceed_action.
+ * What to do with packets between the 2 limits for double rate.
+ * Access: RW for unbounded policer. RO for bounded policer.
+ */
+MLXSW_ITEM32(reg, qpcr, exceed_action, 0x14, 0, 4);
+
+enum mlxsw_reg_qpcr_action {
+ /* Discard */
+ MLXSW_REG_QPCR_ACTION_DISCARD = 1,
+ /* Forward and set color to red.
+ * If the packet is intended to cpu port, it will be dropped.
+ */
+ MLXSW_REG_QPCR_ACTION_FORWARD = 2,
+};
+
+/* reg_qpcr_violate_action
+ * What to do with packets that cross the cir limit (for single rate) or the eir
+ * limit (for double rate).
+ * Access: RW for unbounded policer. RO for bounded policer.
+ */
+MLXSW_ITEM32(reg, qpcr, violate_action, 0x18, 0, 4);
+
+static inline void mlxsw_reg_qpcr_pack(char *payload, u16 pid,
+ enum mlxsw_reg_qpcr_ir_units ir_units,
+ bool bytes, u32 cir, u16 cbs)
+{
+ MLXSW_REG_ZERO(qpcr, payload);
+ mlxsw_reg_qpcr_pid_set(payload, pid);
+ mlxsw_reg_qpcr_g_set(payload, MLXSW_REG_QPCR_G_GLOBAL);
+ mlxsw_reg_qpcr_rate_type_set(payload, MLXSW_REG_QPCR_RATE_TYPE_SINGLE);
+ mlxsw_reg_qpcr_violate_action_set(payload,
+ MLXSW_REG_QPCR_ACTION_DISCARD);
+ mlxsw_reg_qpcr_cir_set(payload, cir);
+ mlxsw_reg_qpcr_ir_units_set(payload, ir_units);
+ mlxsw_reg_qpcr_bytes_set(payload, bytes);
+ mlxsw_reg_qpcr_cbs_set(payload, cbs);
+}
+
/* QTCT - QoS Switch Traffic Class Table
* -------------------------------------
* Configures the mapping between the packet switch priority and the
@@ -3034,8 +3174,21 @@ MLXSW_ITEM32(reg, htgt, type, 0x00, 8, 4);
enum mlxsw_reg_htgt_trap_group {
MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
- MLXSW_REG_HTGT_TRAP_GROUP_RX,
- MLXSW_REG_HTGT_TRAP_GROUP_CTRL,
+ MLXSW_REG_HTGT_TRAP_GROUP_SX2_RX,
+ MLXSW_REG_HTGT_TRAP_GROUP_SX2_CTRL,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_STP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP,
+ MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT,
};
/* reg_htgt_trap_group
@@ -3057,6 +3210,8 @@ enum {
*/
MLXSW_ITEM32(reg, htgt, pide, 0x04, 15, 1);
+#define MLXSW_REG_HTGT_INVALID_POLICER 0xff
+
/* reg_htgt_pid
* Policer ID for the trap group.
* Access: RW
@@ -3082,6 +3237,8 @@ MLXSW_ITEM32(reg, htgt, mirror_action, 0x08, 8, 2);
*/
MLXSW_ITEM32(reg, htgt, mirroring_agent, 0x08, 0, 3);
+#define MLXSW_REG_HTGT_DEFAULT_PRIORITY 0
+
/* reg_htgt_priority
* Trap group priority.
* In case a packet matches multiple classification rules, the packet will
@@ -3095,52 +3252,47 @@ MLXSW_ITEM32(reg, htgt, mirroring_agent, 0x08, 0, 3);
*/
MLXSW_ITEM32(reg, htgt, priority, 0x0C, 0, 4);
+#define MLXSW_REG_HTGT_DEFAULT_TC 7
+
/* reg_htgt_local_path_cpu_tclass
* CPU ingress traffic class for the trap group.
* Access: RW
*/
MLXSW_ITEM32(reg, htgt, local_path_cpu_tclass, 0x10, 16, 6);
-#define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD 0x15
-#define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX 0x14
-#define MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL 0x13
-
+enum mlxsw_reg_htgt_local_path_rdq {
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SX2_CTRL = 0x13,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SX2_RX = 0x14,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SX2_EMAD = 0x15,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SIB_EMAD = 0x15,
+};
/* reg_htgt_local_path_rdq
* Receive descriptor queue (RDQ) to use for the trap group.
* Access: RW
*/
MLXSW_ITEM32(reg, htgt, local_path_rdq, 0x10, 0, 6);
-static inline void mlxsw_reg_htgt_pack(char *payload,
- enum mlxsw_reg_htgt_trap_group group)
+static inline void mlxsw_reg_htgt_pack(char *payload, u8 group, u8 policer_id,
+ u8 priority, u8 tc)
{
- u8 swid, rdq;
-
MLXSW_REG_ZERO(htgt, payload);
- switch (group) {
- case MLXSW_REG_HTGT_TRAP_GROUP_EMAD:
- swid = MLXSW_PORT_SWID_ALL_SWIDS;
- rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_EMAD;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_RX:
- swid = 0;
- rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_RX;
- break;
- case MLXSW_REG_HTGT_TRAP_GROUP_CTRL:
- swid = 0;
- rdq = MLXSW_REG_HTGT_LOCAL_PATH_RDQ_CTRL;
- break;
+
+ if (policer_id == MLXSW_REG_HTGT_INVALID_POLICER) {
+ mlxsw_reg_htgt_pide_set(payload,
+ MLXSW_REG_HTGT_POLICER_DISABLE);
+ } else {
+ mlxsw_reg_htgt_pide_set(payload,
+ MLXSW_REG_HTGT_POLICER_ENABLE);
+ mlxsw_reg_htgt_pid_set(payload, policer_id);
}
- mlxsw_reg_htgt_swid_set(payload, swid);
+
mlxsw_reg_htgt_type_set(payload, MLXSW_REG_HTGT_PATH_TYPE_LOCAL);
mlxsw_reg_htgt_trap_group_set(payload, group);
- mlxsw_reg_htgt_pide_set(payload, MLXSW_REG_HTGT_POLICER_DISABLE);
- mlxsw_reg_htgt_pid_set(payload, 0);
mlxsw_reg_htgt_mirror_action_set(payload, MLXSW_REG_HTGT_TRAP_TO_CPU);
mlxsw_reg_htgt_mirroring_agent_set(payload, 0);
- mlxsw_reg_htgt_priority_set(payload, 0);
- mlxsw_reg_htgt_local_path_cpu_tclass_set(payload, 7);
- mlxsw_reg_htgt_local_path_rdq_set(payload, rdq);
+ mlxsw_reg_htgt_priority_set(payload, priority);
+ mlxsw_reg_htgt_local_path_cpu_tclass_set(payload, tc);
+ mlxsw_reg_htgt_local_path_rdq_set(payload, group);
}
/* HPKT - Host Packet Trap
@@ -3214,6 +3366,7 @@ enum {
/* reg_hpkt_ctrl
* Configure dedicated buffer resources for control packets.
+ * Ignored by SwitchX-2.
* 0 - Keep factory defaults.
* 1 - Do not use control buffer for this trap ID.
* 2 - Use control buffer for this trap ID.
@@ -3221,25 +3374,18 @@ enum {
*/
MLXSW_ITEM32(reg, hpkt, ctrl, 0x04, 16, 2);
-static inline void mlxsw_reg_hpkt_pack(char *payload, u8 action, u16 trap_id)
+static inline void mlxsw_reg_hpkt_pack(char *payload, u8 action, u16 trap_id,
+ enum mlxsw_reg_htgt_trap_group trap_group,
+ bool is_ctrl)
{
- enum mlxsw_reg_htgt_trap_group trap_group;
-
MLXSW_REG_ZERO(hpkt, payload);
mlxsw_reg_hpkt_ack_set(payload, MLXSW_REG_HPKT_ACK_NOT_REQUIRED);
mlxsw_reg_hpkt_action_set(payload, action);
- switch (trap_id) {
- case MLXSW_TRAP_ID_ETHEMAD:
- case MLXSW_TRAP_ID_PUDE:
- trap_group = MLXSW_REG_HTGT_TRAP_GROUP_EMAD;
- break;
- default:
- trap_group = MLXSW_REG_HTGT_TRAP_GROUP_RX;
- break;
- }
mlxsw_reg_hpkt_trap_group_set(payload, trap_group);
mlxsw_reg_hpkt_trap_id_set(payload, trap_id);
- mlxsw_reg_hpkt_ctrl_set(payload, MLXSW_REG_HPKT_CTRL_PACKET_DEFAULT);
+ mlxsw_reg_hpkt_ctrl_set(payload, is_ctrl ?
+ MLXSW_REG_HPKT_CTRL_PACKET_USE_BUFFER :
+ MLXSW_REG_HPKT_CTRL_PACKET_NO_BUFFER);
}
/* RGCR - Router General Configuration Register
@@ -5248,6 +5394,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
MLXSW_REG(svpe),
MLXSW_REG(sfmr),
MLXSW_REG(spvmlr),
+ MLXSW_REG(qpcr),
MLXSW_REG(qtct),
MLXSW_REG(qeec),
MLXSW_REG(pmlp),
diff --git a/drivers/net/ethernet/mellanox/mlxsw/resources.h b/drivers/net/ethernet/mellanox/mlxsw/resources.h
index a031e45c8b06..1c2119b63258 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/resources.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/resources.h
@@ -42,10 +42,12 @@ enum mlxsw_res_id {
MLXSW_RES_ID_KVD_SIZE,
MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE,
MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE,
+ MLXSW_RES_ID_MAX_TRAP_GROUPS,
MLXSW_RES_ID_MAX_SPAN,
MLXSW_RES_ID_MAX_SYSTEM_PORT,
MLXSW_RES_ID_MAX_LAG,
MLXSW_RES_ID_MAX_LAG_MEMBERS,
+ MLXSW_RES_ID_MAX_CPU_POLICERS,
MLXSW_RES_ID_MAX_VRS,
MLXSW_RES_ID_MAX_RIFS,
@@ -63,10 +65,12 @@ static u16 mlxsw_res_ids[] = {
[MLXSW_RES_ID_KVD_SIZE] = 0x1001,
[MLXSW_RES_ID_KVD_SINGLE_MIN_SIZE] = 0x1002,
[MLXSW_RES_ID_KVD_DOUBLE_MIN_SIZE] = 0x1003,
+ [MLXSW_RES_ID_MAX_TRAP_GROUPS] = 0x2201,
[MLXSW_RES_ID_MAX_SPAN] = 0x2420,
[MLXSW_RES_ID_MAX_SYSTEM_PORT] = 0x2502,
[MLXSW_RES_ID_MAX_LAG] = 0x2520,
[MLXSW_RES_ID_MAX_LAG_MEMBERS] = 0x2521,
+ [MLXSW_RES_ID_MAX_CPU_POLICERS] = 0x2A13,
[MLXSW_RES_ID_MAX_VRS] = 0x2C01,
[MLXSW_RES_ID_MAX_RIFS] = 0x2C02,
};
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
index e0d7d5adbaee..fece974b4edd 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c
@@ -2698,54 +2698,8 @@ static void mlxsw_sp_pude_event_func(const struct mlxsw_reg_info *reg,
}
}
-static struct mlxsw_event_listener mlxsw_sp_pude_event = {
- .func = mlxsw_sp_pude_event_func,
- .trap_id = MLXSW_TRAP_ID_PUDE,
-};
-
-static int mlxsw_sp_event_register(struct mlxsw_sp *mlxsw_sp,
- enum mlxsw_event_trap_id trap_id)
-{
- struct mlxsw_event_listener *el;
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
- int err;
-
- switch (trap_id) {
- case MLXSW_TRAP_ID_PUDE:
- el = &mlxsw_sp_pude_event;
- break;
- }
- err = mlxsw_core_event_listener_register(mlxsw_sp->core, el, mlxsw_sp);
- if (err)
- return err;
-
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, trap_id);
- err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
- if (err)
- goto err_event_trap_set;
-
- return 0;
-
-err_event_trap_set:
- mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp);
- return err;
-}
-
-static void mlxsw_sp_event_unregister(struct mlxsw_sp *mlxsw_sp,
- enum mlxsw_event_trap_id trap_id)
-{
- struct mlxsw_event_listener *el;
-
- switch (trap_id) {
- case MLXSW_TRAP_ID_PUDE:
- el = &mlxsw_sp_pude_event;
- break;
- }
- mlxsw_core_event_listener_unregister(mlxsw_sp->core, el, mlxsw_sp);
-}
-
-static void mlxsw_sp_rx_listener_func(struct sk_buff *skb, u8 local_port,
- void *priv)
+static void mlxsw_sp_rx_listener_no_mark_func(struct sk_buff *skb,
+ u8 local_port, void *priv)
{
struct mlxsw_sp *mlxsw_sp = priv;
struct mlxsw_sp_port *mlxsw_sp_port = mlxsw_sp->ports[local_port];
@@ -2773,107 +2727,212 @@ static void mlxsw_sp_rx_listener_mark_func(struct sk_buff *skb, u8 local_port,
void *priv)
{
skb->offload_fwd_mark = 1;
- return mlxsw_sp_rx_listener_func(skb, local_port, priv);
+ return mlxsw_sp_rx_listener_no_mark_func(skb, local_port, priv);
+}
+
+#define MLXSW_SP_RXL_NO_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
+ MLXSW_RXL(mlxsw_sp_rx_listener_no_mark_func, _trap_id, _action, \
+ _is_ctrl, SP_##_trap_group, DISCARD)
+
+#define MLXSW_SP_RXL_MARK(_trap_id, _action, _trap_group, _is_ctrl) \
+ MLXSW_RXL(mlxsw_sp_rx_listener_mark_func, _trap_id, _action, \
+ _is_ctrl, SP_##_trap_group, DISCARD)
+
+#define MLXSW_SP_EVENTL(_func, _trap_id) \
+ MLXSW_EVENTL(_func, _trap_id, SP_EVENT)
+
+static const struct mlxsw_listener mlxsw_sp_listener[] = {
+ /* Events */
+ MLXSW_SP_EVENTL(mlxsw_sp_pude_event_func, PUDE),
+ /* L2 traps */
+ MLXSW_SP_RXL_NO_MARK(STP, TRAP_TO_CPU, STP, true),
+ MLXSW_SP_RXL_NO_MARK(LACP, TRAP_TO_CPU, LACP, true),
+ MLXSW_SP_RXL_NO_MARK(LLDP, TRAP_TO_CPU, LLDP, true),
+ MLXSW_SP_RXL_MARK(DHCP, MIRROR_TO_CPU, DHCP, false),
+ MLXSW_SP_RXL_MARK(IGMP_QUERY, MIRROR_TO_CPU, IGMP, false),
+ MLXSW_SP_RXL_NO_MARK(IGMP_V1_REPORT, TRAP_TO_CPU, IGMP, false),
+ MLXSW_SP_RXL_NO_MARK(IGMP_V2_REPORT, TRAP_TO_CPU, IGMP, false),
+ MLXSW_SP_RXL_NO_MARK(IGMP_V2_LEAVE, TRAP_TO_CPU, IGMP, false),
+ MLXSW_SP_RXL_NO_MARK(IGMP_V3_REPORT, TRAP_TO_CPU, IGMP, false),
+ MLXSW_SP_RXL_MARK(ARPBC, MIRROR_TO_CPU, ARP, false),
+ MLXSW_SP_RXL_MARK(ARPUC, MIRROR_TO_CPU, ARP, false),
+ /* L3 traps */
+ MLXSW_SP_RXL_NO_MARK(MTUERROR, TRAP_TO_CPU, ROUTER_EXP, false),
+ MLXSW_SP_RXL_NO_MARK(TTLERROR, TRAP_TO_CPU, ROUTER_EXP, false),
+ MLXSW_SP_RXL_NO_MARK(LBERROR, TRAP_TO_CPU, ROUTER_EXP, false),
+ MLXSW_SP_RXL_MARK(OSPF, TRAP_TO_CPU, OSPF, false),
+ MLXSW_SP_RXL_NO_MARK(IP2ME, TRAP_TO_CPU, IP2ME, false),
+ MLXSW_SP_RXL_NO_MARK(RTR_INGRESS0, TRAP_TO_CPU, REMOTE_ROUTE, false),
+ MLXSW_SP_RXL_NO_MARK(HOST_MISS_IPV4, TRAP_TO_CPU, ARP_MISS, false),
+ MLXSW_SP_RXL_NO_MARK(BGP_IPV4, TRAP_TO_CPU, BGP_IPV4, false),
+};
+
+static int mlxsw_sp_cpu_policers_set(struct mlxsw_core *mlxsw_core)
+{
+ char qpcr_pl[MLXSW_REG_QPCR_LEN];
+ enum mlxsw_reg_qpcr_ir_units ir_units;
+ int max_cpu_policers;
+ bool is_bytes;
+ u8 burst_size;
+ u32 rate;
+ int i, err;
+
+ if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS))
+ return -EIO;
+
+ max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
+
+ ir_units = MLXSW_REG_QPCR_IR_UNITS_M;
+ for (i = 0; i < max_cpu_policers; i++) {
+ is_bytes = false;
+ switch (i) {
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
+ rate = 128;
+ burst_size = 7;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
+ rate = 16 * 1024;
+ burst_size = 10;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
+ rate = 1024;
+ burst_size = 7;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
+ is_bytes = true;
+ rate = 4 * 1024;
+ burst_size = 4;
+ break;
+ default:
+ continue;
+ }
+
+ mlxsw_reg_qpcr_pack(qpcr_pl, i, ir_units, is_bytes, rate,
+ burst_size);
+ err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(qpcr), qpcr_pl);
+ if (err)
+ return err;
+ }
+
+ return 0;
}
-#define MLXSW_SP_RXL(_func, _trap_id, _action) \
- { \
- .func = _func, \
- .local_port = MLXSW_PORT_DONT_CARE, \
- .trap_id = MLXSW_TRAP_ID_##_trap_id, \
- .action = MLXSW_REG_HPKT_ACTION_##_action, \
+static int mlxsw_sp_trap_groups_set(struct mlxsw_core *mlxsw_core)
+{
+ char htgt_pl[MLXSW_REG_HTGT_LEN];
+ enum mlxsw_reg_htgt_trap_group i;
+ int max_cpu_policers;
+ int max_trap_groups;
+ u8 priority, tc;
+ u16 policer_id;
+ int err;
+
+ if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_TRAP_GROUPS))
+ return -EIO;
+
+ max_trap_groups = MLXSW_CORE_RES_GET(mlxsw_core, MAX_TRAP_GROUPS);
+ max_cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
+
+ for (i = 0; i < max_trap_groups; i++) {
+ policer_id = i;
+ switch (i) {
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_STP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_LACP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_LLDP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_OSPF:
+ priority = 5;
+ tc = 5;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_BGP_IPV4:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_DHCP:
+ priority = 4;
+ tc = 4;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_IGMP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_IP2ME:
+ priority = 3;
+ tc = 3;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP:
+ priority = 2;
+ tc = 2;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_ARP_MISS:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_ROUTER_EXP:
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_REMOTE_ROUTE:
+ priority = 1;
+ tc = 1;
+ break;
+ case MLXSW_REG_HTGT_TRAP_GROUP_SP_EVENT:
+ priority = MLXSW_REG_HTGT_DEFAULT_PRIORITY;
+ tc = MLXSW_REG_HTGT_DEFAULT_TC;
+ policer_id = MLXSW_REG_HTGT_INVALID_POLICER;
+ break;
+ default:
+ continue;
+ }
+
+ if (max_cpu_policers <= policer_id &&
+ policer_id != MLXSW_REG_HTGT_INVALID_POLICER)
+ return -EIO;
+
+ mlxsw_reg_htgt_pack(htgt_pl, i, policer_id, priority, tc);
+ err = mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
+ if (err)
+ return err;
}
-static const struct mlxsw_rx_listener mlxsw_sp_rx_listener[] = {
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, FDB_MC, TRAP_TO_CPU),
- /* Traps for specific L2 packet types, not trapped as FDB MC */
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, STP, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LACP, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, EAPOL, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LLDP, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MMRP, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MVRP, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RPVST, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, DHCP, MIRROR_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, IGMP_QUERY, MIRROR_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V1_REPORT, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V2_REPORT, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V2_LEAVE, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IGMP_V3_REPORT, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, ARPBC, MIRROR_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, ARPUC, MIRROR_TO_CPU),
- /* L3 traps */
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, MTUERROR, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, TTLERROR, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, LBERROR, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_mark_func, OSPF, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, IP2ME, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, RTR_INGRESS0, TRAP_TO_CPU),
- MLXSW_SP_RXL(mlxsw_sp_rx_listener_func, HOST_MISS_IPV4, TRAP_TO_CPU),
-};
+ return 0;
+}
static int mlxsw_sp_traps_init(struct mlxsw_sp *mlxsw_sp)
{
- char htgt_pl[MLXSW_REG_HTGT_LEN];
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
int i;
int err;
- mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_RX);
- err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(htgt), htgt_pl);
+ err = mlxsw_sp_cpu_policers_set(mlxsw_sp->core);
if (err)
return err;
- mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_CTRL);
- err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(htgt), htgt_pl);
+ err = mlxsw_sp_trap_groups_set(mlxsw_sp->core);
if (err)
return err;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) {
- err = mlxsw_core_rx_listener_register(mlxsw_sp->core,
- &mlxsw_sp_rx_listener[i],
- mlxsw_sp);
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) {
+ err = mlxsw_core_trap_register(mlxsw_sp->core,
+ &mlxsw_sp_listener[i],
+ mlxsw_sp);
if (err)
- goto err_rx_listener_register;
+ goto err_listener_register;
- mlxsw_reg_hpkt_pack(hpkt_pl, mlxsw_sp_rx_listener[i].action,
- mlxsw_sp_rx_listener[i].trap_id);
- err = mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
- if (err)
- goto err_rx_trap_set;
}
return 0;
-err_rx_trap_set:
- mlxsw_core_rx_listener_unregister(mlxsw_sp->core,
- &mlxsw_sp_rx_listener[i],
- mlxsw_sp);
-err_rx_listener_register:
+err_listener_register:
for (i--; i >= 0; i--) {
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_DISCARD,
- mlxsw_sp_rx_listener[i].trap_id);
- mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
-
- mlxsw_core_rx_listener_unregister(mlxsw_sp->core,
- &mlxsw_sp_rx_listener[i],
- mlxsw_sp);
+ mlxsw_core_trap_unregister(mlxsw_sp->core,
+ &mlxsw_sp_listener[i],
+ mlxsw_sp);
}
return err;
}
static void mlxsw_sp_traps_fini(struct mlxsw_sp *mlxsw_sp)
{
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
int i;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sp_rx_listener); i++) {
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_DISCARD,
- mlxsw_sp_rx_listener[i].trap_id);
- mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(hpkt), hpkt_pl);
-
- mlxsw_core_rx_listener_unregister(mlxsw_sp->core,
- &mlxsw_sp_rx_listener[i],
- mlxsw_sp);
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sp_listener); i++) {
+ mlxsw_core_trap_unregister(mlxsw_sp->core,
+ &mlxsw_sp_listener[i],
+ mlxsw_sp);
}
}
@@ -2958,6 +3017,17 @@ static void mlxsw_sp_lag_fini(struct mlxsw_sp *mlxsw_sp)
kfree(mlxsw_sp->lags);
}
+static int mlxsw_sp_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
+{
+ char htgt_pl[MLXSW_REG_HTGT_LEN];
+
+ mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
+ MLXSW_REG_HTGT_INVALID_POLICER,
+ MLXSW_REG_HTGT_DEFAULT_PRIORITY,
+ MLXSW_REG_HTGT_DEFAULT_TC);
+ return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
+}
+
static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info)
{
@@ -2976,16 +3046,10 @@ static int mlxsw_sp_init(struct mlxsw_core *mlxsw_core,
return err;
}
- err = mlxsw_sp_event_register(mlxsw_sp, MLXSW_TRAP_ID_PUDE);
- if (err) {
- dev_err(mlxsw_sp->bus_info->dev, "Failed to register for PUDE events\n");
- return err;
- }
-
err = mlxsw_sp_traps_init(mlxsw_sp);
if (err) {
- dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps for RX\n");
- goto err_rx_listener_register;
+ dev_err(mlxsw_sp->bus_info->dev, "Failed to set traps\n");
+ return err;
}
err = mlxsw_sp_flood_init(mlxsw_sp);
@@ -3045,8 +3109,6 @@ err_lag_init:
err_buffers_init:
err_flood_init:
mlxsw_sp_traps_fini(mlxsw_sp);
-err_rx_listener_register:
- mlxsw_sp_event_unregister(mlxsw_sp, MLXSW_TRAP_ID_PUDE);
return err;
}
@@ -3061,7 +3123,6 @@ static void mlxsw_sp_fini(struct mlxsw_core *mlxsw_core)
mlxsw_sp_lag_fini(mlxsw_sp);
mlxsw_sp_buffers_fini(mlxsw_sp);
mlxsw_sp_traps_fini(mlxsw_sp);
- mlxsw_sp_event_unregister(mlxsw_sp, MLXSW_TRAP_ID_PUDE);
WARN_ON(!list_empty(&mlxsw_sp->vfids.list));
WARN_ON(!list_empty(&mlxsw_sp->fids));
}
@@ -3103,6 +3164,7 @@ static struct mlxsw_driver mlxsw_sp_driver = {
.priv_size = sizeof(struct mlxsw_sp),
.init = mlxsw_sp_init,
.fini = mlxsw_sp_fini,
+ .basic_trap_groups_set = mlxsw_sp_basic_trap_groups_set,
.port_split = mlxsw_sp_port_split,
.port_unsplit = mlxsw_sp_port_unsplit,
.sb_pool_get = mlxsw_sp_sb_pool_get,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchib.c b/drivers/net/ethernet/mellanox/mlxsw/switchib.c
index 1552594b2d1f..74341fe0eb25 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchib.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchib.c
@@ -408,51 +408,57 @@ static void mlxsw_sib_pude_event_func(const struct mlxsw_reg_info *reg,
mlxsw_sib_pude_ib_event_func(mlxsw_sib_port, status);
}
-static struct mlxsw_event_listener mlxsw_sib_pude_event = {
- .func = mlxsw_sib_pude_event_func,
- .trap_id = MLXSW_TRAP_ID_PUDE,
+static const struct mlxsw_listener mlxsw_sib_listener[] = {
+ MLXSW_EVENTL(mlxsw_sib_pude_event_func, PUDE, EMAD),
};
-static int mlxsw_sib_event_register(struct mlxsw_sib *mlxsw_sib,
- enum mlxsw_event_trap_id trap_id)
+static int mlxsw_sib_taps_init(struct mlxsw_sib *mlxsw_sib)
{
- struct mlxsw_event_listener *el;
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
+ int i;
int err;
- switch (trap_id) {
- case MLXSW_TRAP_ID_PUDE:
- el = &mlxsw_sib_pude_event;
- break;
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sib_listener); i++) {
+ err = mlxsw_core_trap_register(mlxsw_sib->core,
+ &mlxsw_sib_listener[i],
+ mlxsw_sib);
+ if (err)
+ goto err_rx_listener_register;
}
- err = mlxsw_core_event_listener_register(mlxsw_sib->core, el,
- mlxsw_sib);
- if (err)
- return err;
-
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, trap_id);
- err = mlxsw_reg_write(mlxsw_sib->core, MLXSW_REG(hpkt), hpkt_pl);
- if (err)
- goto err_event_trap_set;
return 0;
-err_event_trap_set:
- mlxsw_core_event_listener_unregister(mlxsw_sib->core, el, mlxsw_sib);
+err_rx_listener_register:
+ for (i--; i >= 0; i--) {
+ mlxsw_core_trap_unregister(mlxsw_sib->core,
+ &mlxsw_sib_listener[i],
+ mlxsw_sib);
+ }
+
return err;
}
-static void mlxsw_sib_event_unregister(struct mlxsw_sib *mlxsw_sib,
- enum mlxsw_event_trap_id trap_id)
+static void mlxsw_sib_traps_fini(struct mlxsw_sib *mlxsw_sib)
{
- struct mlxsw_event_listener *el;
+ int i;
- switch (trap_id) {
- case MLXSW_TRAP_ID_PUDE:
- el = &mlxsw_sib_pude_event;
- break;
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sib_listener); i++) {
+ mlxsw_core_trap_unregister(mlxsw_sib->core,
+ &mlxsw_sib_listener[i], mlxsw_sib);
}
- mlxsw_core_event_listener_unregister(mlxsw_sib->core, el, mlxsw_sib);
+}
+
+static int mlxsw_sib_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
+{
+ char htgt_pl[MLXSW_REG_HTGT_LEN];
+
+ mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
+ MLXSW_REG_HTGT_INVALID_POLICER,
+ MLXSW_REG_HTGT_DEFAULT_PRIORITY,
+ MLXSW_REG_HTGT_DEFAULT_TC);
+ mlxsw_reg_htgt_swid_set(htgt_pl, MLXSW_PORT_SWID_ALL_SWIDS);
+ mlxsw_reg_htgt_local_path_rdq_set(htgt_pl,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SIB_EMAD);
+ return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
}
static int mlxsw_sib_init(struct mlxsw_core *mlxsw_core,
@@ -470,15 +476,15 @@ static int mlxsw_sib_init(struct mlxsw_core *mlxsw_core,
return err;
}
- err = mlxsw_sib_event_register(mlxsw_sib, MLXSW_TRAP_ID_PUDE);
+ err = mlxsw_sib_taps_init(mlxsw_sib);
if (err) {
- dev_err(mlxsw_sib->bus_info->dev, "Failed to register for PUDE events\n");
- goto err_event_register;
+ dev_err(mlxsw_sib->bus_info->dev, "Failed to set traps\n");
+ goto err_traps_init_err;
}
return 0;
-err_event_register:
+err_traps_init_err:
mlxsw_sib_ports_remove(mlxsw_sib);
return err;
}
@@ -487,7 +493,7 @@ static void mlxsw_sib_fini(struct mlxsw_core *mlxsw_core)
{
struct mlxsw_sib *mlxsw_sib = mlxsw_core_driver_priv(mlxsw_core);
- mlxsw_sib_event_unregister(mlxsw_sib, MLXSW_TRAP_ID_PUDE);
+ mlxsw_sib_traps_fini(mlxsw_sib);
mlxsw_sib_ports_remove(mlxsw_sib);
}
@@ -512,6 +518,7 @@ static struct mlxsw_driver mlxsw_sib_driver = {
.priv_size = sizeof(struct mlxsw_sib),
.init = mlxsw_sib_init,
.fini = mlxsw_sib_fini,
+ .basic_trap_groups_set = mlxsw_sib_basic_trap_groups_set,
.txhdr_construct = mlxsw_sib_tx_v1_hdr_construct,
.txhdr_len = MLXSW_TXHDR_LEN,
.profile = &mlxsw_sib_config_profile,
@@ -522,6 +529,7 @@ static struct mlxsw_driver mlxsw_sib2_driver = {
.priv_size = sizeof(struct mlxsw_sib),
.init = mlxsw_sib_init,
.fini = mlxsw_sib_fini,
+ .basic_trap_groups_set = mlxsw_sib_basic_trap_groups_set,
.txhdr_construct = mlxsw_sib_tx_v1_hdr_construct,
.txhdr_len = MLXSW_TXHDR_LEN,
.profile = &mlxsw_sib_config_profile,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
index 60f19fb68e5f..150ccf5192a9 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/switchx2.c
@@ -1396,52 +1396,6 @@ static void mlxsw_sx_pude_event_func(const struct mlxsw_reg_info *reg,
mlxsw_sx_pude_ib_event_func(mlxsw_sx_port, status);
}
-static struct mlxsw_event_listener mlxsw_sx_pude_event = {
- .func = mlxsw_sx_pude_event_func,
- .trap_id = MLXSW_TRAP_ID_PUDE,
-};
-
-static int mlxsw_sx_event_register(struct mlxsw_sx *mlxsw_sx,
- enum mlxsw_event_trap_id trap_id)
-{
- struct mlxsw_event_listener *el;
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
- int err;
-
- switch (trap_id) {
- case MLXSW_TRAP_ID_PUDE:
- el = &mlxsw_sx_pude_event;
- break;
- }
- err = mlxsw_core_event_listener_register(mlxsw_sx->core, el, mlxsw_sx);
- if (err)
- return err;
-
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD, trap_id);
- err = mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(hpkt), hpkt_pl);
- if (err)
- goto err_event_trap_set;
-
- return 0;
-
-err_event_trap_set:
- mlxsw_core_event_listener_unregister(mlxsw_sx->core, el, mlxsw_sx);
- return err;
-}
-
-static void mlxsw_sx_event_unregister(struct mlxsw_sx *mlxsw_sx,
- enum mlxsw_event_trap_id trap_id)
-{
- struct mlxsw_event_listener *el;
-
- switch (trap_id) {
- case MLXSW_TRAP_ID_PUDE:
- el = &mlxsw_sx_pude_event;
- break;
- }
- mlxsw_core_event_listener_unregister(mlxsw_sx->core, el, mlxsw_sx);
-}
-
static void mlxsw_sx_rx_listener_func(struct sk_buff *skb, u8 local_port,
void *priv)
{
@@ -1494,142 +1448,83 @@ err_port_module_info_get:
return err;
}
-static const struct mlxsw_rx_listener mlxsw_sx_rx_listener[] = {
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_FDB_MC,
- },
- /* Traps for specific L2 packet types, not trapped as FDB MC */
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_STP,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_LACP,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_EAPOL,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_LLDP,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_MMRP,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_MVRP,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_RPVST,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_DHCP,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_IGMP_QUERY,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_IGMP_V1_REPORT,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_IGMP_V2_REPORT,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_IGMP_V2_LEAVE,
- },
- {
- .func = mlxsw_sx_rx_listener_func,
- .local_port = MLXSW_PORT_DONT_CARE,
- .trap_id = MLXSW_TRAP_ID_IGMP_V3_REPORT,
- },
+#define MLXSW_SX_RXL(_trap_id) \
+ MLXSW_RXL(mlxsw_sx_rx_listener_func, _trap_id, TRAP_TO_CPU, \
+ false, SX2_RX, FORWARD)
+
+static const struct mlxsw_listener mlxsw_sx_listener[] = {
+ MLXSW_EVENTL(mlxsw_sx_pude_event_func, PUDE, EMAD),
+ MLXSW_SX_RXL(FDB_MC),
+ MLXSW_SX_RXL(STP),
+ MLXSW_SX_RXL(LACP),
+ MLXSW_SX_RXL(EAPOL),
+ MLXSW_SX_RXL(LLDP),
+ MLXSW_SX_RXL(MMRP),
+ MLXSW_SX_RXL(MVRP),
+ MLXSW_SX_RXL(RPVST),
+ MLXSW_SX_RXL(DHCP),
+ MLXSW_SX_RXL(IGMP_QUERY),
+ MLXSW_SX_RXL(IGMP_V1_REPORT),
+ MLXSW_SX_RXL(IGMP_V2_REPORT),
+ MLXSW_SX_RXL(IGMP_V2_LEAVE),
+ MLXSW_SX_RXL(IGMP_V3_REPORT),
};
static int mlxsw_sx_traps_init(struct mlxsw_sx *mlxsw_sx)
{
char htgt_pl[MLXSW_REG_HTGT_LEN];
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
int i;
int err;
- mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_RX);
+ mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_SX2_RX,
+ MLXSW_REG_HTGT_INVALID_POLICER,
+ MLXSW_REG_HTGT_DEFAULT_PRIORITY,
+ MLXSW_REG_HTGT_DEFAULT_TC);
+ mlxsw_reg_htgt_local_path_rdq_set(htgt_pl,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SX2_RX);
+
err = mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(htgt), htgt_pl);
if (err)
return err;
- mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_CTRL);
+ mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_SX2_CTRL,
+ MLXSW_REG_HTGT_INVALID_POLICER,
+ MLXSW_REG_HTGT_DEFAULT_PRIORITY,
+ MLXSW_REG_HTGT_DEFAULT_TC);
+ mlxsw_reg_htgt_local_path_rdq_set(htgt_pl,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SX2_CTRL);
+
err = mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(htgt), htgt_pl);
if (err)
return err;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sx_rx_listener); i++) {
- err = mlxsw_core_rx_listener_register(mlxsw_sx->core,
- &mlxsw_sx_rx_listener[i],
- mlxsw_sx);
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sx_listener); i++) {
+ err = mlxsw_core_trap_register(mlxsw_sx->core,
+ &mlxsw_sx_listener[i],
+ mlxsw_sx);
if (err)
- goto err_rx_listener_register;
+ goto err_listener_register;
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU,
- mlxsw_sx_rx_listener[i].trap_id);
- err = mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(hpkt), hpkt_pl);
- if (err)
- goto err_rx_trap_set;
}
return 0;
-err_rx_trap_set:
- mlxsw_core_rx_listener_unregister(mlxsw_sx->core,
- &mlxsw_sx_rx_listener[i],
- mlxsw_sx);
-err_rx_listener_register:
+err_listener_register:
for (i--; i >= 0; i--) {
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD,
- mlxsw_sx_rx_listener[i].trap_id);
- mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(hpkt), hpkt_pl);
-
- mlxsw_core_rx_listener_unregister(mlxsw_sx->core,
- &mlxsw_sx_rx_listener[i],
- mlxsw_sx);
+ mlxsw_core_trap_unregister(mlxsw_sx->core,
+ &mlxsw_sx_listener[i],
+ mlxsw_sx);
}
return err;
}
static void mlxsw_sx_traps_fini(struct mlxsw_sx *mlxsw_sx)
{
- char hpkt_pl[MLXSW_REG_HPKT_LEN];
int i;
- for (i = 0; i < ARRAY_SIZE(mlxsw_sx_rx_listener); i++) {
- mlxsw_reg_hpkt_pack(hpkt_pl, MLXSW_REG_HPKT_ACTION_FORWARD,
- mlxsw_sx_rx_listener[i].trap_id);
- mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(hpkt), hpkt_pl);
-
- mlxsw_core_rx_listener_unregister(mlxsw_sx->core,
- &mlxsw_sx_rx_listener[i],
- mlxsw_sx);
+ for (i = 0; i < ARRAY_SIZE(mlxsw_sx_listener); i++) {
+ mlxsw_core_trap_unregister(mlxsw_sx->core,
+ &mlxsw_sx_listener[i],
+ mlxsw_sx);
}
}
@@ -1701,6 +1596,20 @@ static int mlxsw_sx_flood_init(struct mlxsw_sx *mlxsw_sx)
return mlxsw_reg_write(mlxsw_sx->core, MLXSW_REG(sgcr), sgcr_pl);
}
+static int mlxsw_sx_basic_trap_groups_set(struct mlxsw_core *mlxsw_core)
+{
+ char htgt_pl[MLXSW_REG_HTGT_LEN];
+
+ mlxsw_reg_htgt_pack(htgt_pl, MLXSW_REG_HTGT_TRAP_GROUP_EMAD,
+ MLXSW_REG_HTGT_INVALID_POLICER,
+ MLXSW_REG_HTGT_DEFAULT_PRIORITY,
+ MLXSW_REG_HTGT_DEFAULT_TC);
+ mlxsw_reg_htgt_swid_set(htgt_pl, MLXSW_PORT_SWID_ALL_SWIDS);
+ mlxsw_reg_htgt_local_path_rdq_set(htgt_pl,
+ MLXSW_REG_HTGT_LOCAL_PATH_RDQ_SX2_EMAD);
+ return mlxsw_reg_write(mlxsw_core, MLXSW_REG(htgt), htgt_pl);
+}
+
static int mlxsw_sx_init(struct mlxsw_core *mlxsw_core,
const struct mlxsw_bus_info *mlxsw_bus_info)
{
@@ -1722,16 +1631,10 @@ static int mlxsw_sx_init(struct mlxsw_core *mlxsw_core,
return err;
}
- err = mlxsw_sx_event_register(mlxsw_sx, MLXSW_TRAP_ID_PUDE);
- if (err) {
- dev_err(mlxsw_sx->bus_info->dev, "Failed to register for PUDE events\n");
- goto err_event_register;
- }
-
err = mlxsw_sx_traps_init(mlxsw_sx);
if (err) {
- dev_err(mlxsw_sx->bus_info->dev, "Failed to set traps for RX\n");
- goto err_rx_listener_register;
+ dev_err(mlxsw_sx->bus_info->dev, "Failed to set traps\n");
+ goto err_listener_register;
}
err = mlxsw_sx_flood_init(mlxsw_sx);
@@ -1744,9 +1647,7 @@ static int mlxsw_sx_init(struct mlxsw_core *mlxsw_core,
err_flood_init:
mlxsw_sx_traps_fini(mlxsw_sx);
-err_rx_listener_register:
- mlxsw_sx_event_unregister(mlxsw_sx, MLXSW_TRAP_ID_PUDE);
-err_event_register:
+err_listener_register:
mlxsw_sx_ports_remove(mlxsw_sx);
return err;
}
@@ -1756,7 +1657,6 @@ static void mlxsw_sx_fini(struct mlxsw_core *mlxsw_core)
struct mlxsw_sx *mlxsw_sx = mlxsw_core_driver_priv(mlxsw_core);
mlxsw_sx_traps_fini(mlxsw_sx);
- mlxsw_sx_event_unregister(mlxsw_sx, MLXSW_TRAP_ID_PUDE);
mlxsw_sx_ports_remove(mlxsw_sx);
}
@@ -1800,6 +1700,7 @@ static struct mlxsw_driver mlxsw_sx_driver = {
.priv_size = sizeof(struct mlxsw_sx),
.init = mlxsw_sx_init,
.fini = mlxsw_sx_fini,
+ .basic_trap_groups_set = mlxsw_sx_basic_trap_groups_set,
.txhdr_construct = mlxsw_sx_txhdr_construct,
.txhdr_len = MLXSW_TXHDR_LEN,
.profile = &mlxsw_sx_config_profile,
diff --git a/drivers/net/ethernet/mellanox/mlxsw/trap.h b/drivers/net/ethernet/mellanox/mlxsw/trap.h
index ed8e30186400..7ab275deacac 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/trap.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/trap.h
@@ -62,6 +62,7 @@ enum {
MLXSW_TRAP_ID_OSPF = 0x55,
MLXSW_TRAP_ID_IP2ME = 0x5F,
MLXSW_TRAP_ID_RTR_INGRESS0 = 0x70,
+ MLXSW_TRAP_ID_BGP_IPV4 = 0x88,
MLXSW_TRAP_ID_HOST_MISS_IPV4 = 0x90,
MLXSW_TRAP_ID_MAX = 0x1FF