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Message-ID: <20220930083540.347686-2-horatiu.vultur@microchip.com>
Date: Fri, 30 Sep 2022 10:35:39 +0200
From: Horatiu Vultur <horatiu.vultur@...rochip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC: <UNGLinuxDriver@...rochip.com>, <davem@...emloft.net>,
<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>,
<linux@...linux.org.uk>,
Horatiu Vultur <horatiu.vultur@...rochip.com>
Subject: [PATCH net-next 1/2] net: lan966x: Add port police support using tc-matchall
Add support for port police. It is possible to police only on the
ingress side. To be able to add police support also it was required to
add tc-matchall classifier offload support.
Signed-off-by: Horatiu Vultur <horatiu.vultur@...rochip.com>
---
.../net/ethernet/microchip/lan966x/Makefile | 3 +-
.../ethernet/microchip/lan966x/lan966x_main.h | 24 ++
.../microchip/lan966x/lan966x_police.c | 235 ++++++++++++++++++
.../ethernet/microchip/lan966x/lan966x_regs.h | 72 ++++++
.../ethernet/microchip/lan966x/lan966x_tc.c | 50 ++++
.../microchip/lan966x/lan966x_tc_matchall.c | 85 +++++++
6 files changed, 468 insertions(+), 1 deletion(-)
create mode 100644 drivers/net/ethernet/microchip/lan966x/lan966x_police.c
create mode 100644 drivers/net/ethernet/microchip/lan966x/lan966x_tc_matchall.c
diff --git a/drivers/net/ethernet/microchip/lan966x/Makefile b/drivers/net/ethernet/microchip/lan966x/Makefile
index 7360c1c7b53c3..d00f7b67b6ecb 100644
--- a/drivers/net/ethernet/microchip/lan966x/Makefile
+++ b/drivers/net/ethernet/microchip/lan966x/Makefile
@@ -10,4 +10,5 @@ lan966x-switch-objs := lan966x_main.o lan966x_phylink.o lan966x_port.o \
lan966x_vlan.o lan966x_fdb.o lan966x_mdb.o \
lan966x_ptp.o lan966x_fdma.o lan966x_lag.o \
lan966x_tc.o lan966x_mqprio.o lan966x_taprio.o \
- lan966x_tbf.o lan966x_cbs.o lan966x_ets.o
+ lan966x_tbf.o lan966x_cbs.o lan966x_ets.o \
+ lan966x_tc_matchall.o lan966x_police.o
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h
index 78665eb9a3f11..10ffc6a76d39e 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_main.h
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_main.h
@@ -276,6 +276,12 @@ struct lan966x_port_config {
bool autoneg;
};
+struct lan966x_port_tc {
+ bool ingress_shared_block;
+ unsigned long police_id;
+ struct flow_stats police_stat;
+};
+
struct lan966x_port {
struct net_device *dev;
struct lan966x *lan966x;
@@ -302,6 +308,8 @@ struct lan966x_port {
struct net_device *bond;
bool lag_tx_active;
enum netdev_lag_hash hash_type;
+
+ struct lan966x_port_tc tc;
};
extern const struct phylink_mac_ops lan966x_phylink_mac_ops;
@@ -481,6 +489,22 @@ int lan966x_ets_add(struct lan966x_port *port,
int lan966x_ets_del(struct lan966x_port *port,
struct tc_ets_qopt_offload *qopt);
+int lan966x_tc_matchall(struct lan966x_port *port,
+ struct tc_cls_matchall_offload *f,
+ bool ingress);
+
+int lan966x_police_port_add(struct lan966x_port *port,
+ struct flow_action *action,
+ struct flow_action_entry *act,
+ unsigned long police_id,
+ bool ingress,
+ struct netlink_ext_ack *extack);
+int lan966x_police_port_del(struct lan966x_port *port,
+ unsigned long police_id,
+ struct netlink_ext_ack *extack);
+void lan966x_police_port_stats(struct lan966x_port *port,
+ struct flow_stats *stats);
+
static inline void __iomem *lan_addr(void __iomem *base[],
int id, int tinst, int tcnt,
int gbase, int ginst,
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_police.c b/drivers/net/ethernet/microchip/lan966x/lan966x_police.c
new file mode 100644
index 0000000000000..a9aec900d608d
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_police.c
@@ -0,0 +1,235 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "lan966x_main.h"
+
+/* 0-8 : 9 port policers */
+#define POL_IDX_PORT 0
+
+/* Policer order: Serial (QoS -> Port -> VCAP) */
+#define POL_ORDER 0x1d3
+
+struct lan966x_tc_policer {
+ /* kilobit per second */
+ u32 rate;
+ /* bytes */
+ u32 burst;
+};
+
+static int lan966x_police_add(struct lan966x_port *port,
+ struct lan966x_tc_policer *pol,
+ u16 pol_idx)
+{
+ struct lan966x *lan966x = port->lan966x;
+
+ /* Rate unit is 33 1/3 kpps */
+ pol->rate = DIV_ROUND_UP(pol->rate * 3, 100);
+ /* Avoid zero burst size */
+ pol->burst = pol->burst ?: 1;
+ /* Unit is 4kB */
+ pol->burst = DIV_ROUND_UP(pol->burst, 4096);
+
+ if (pol->rate > GENMASK(15, 0) ||
+ pol->burst > GENMASK(6, 0))
+ return -EINVAL;
+
+ lan_wr(ANA_POL_MODE_DROP_ON_YELLOW_ENA_SET(0) |
+ ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA_SET(0) |
+ ANA_POL_MODE_IPG_SIZE_SET(20) |
+ ANA_POL_MODE_FRM_MODE_SET(1) |
+ ANA_POL_MODE_OVERSHOOT_ENA_SET(1),
+ lan966x, ANA_POL_MODE(pol_idx));
+
+ lan_wr(ANA_POL_PIR_STATE_PIR_LVL_SET(0),
+ lan966x, ANA_POL_PIR_STATE(pol_idx));
+
+ lan_wr(ANA_POL_PIR_CFG_PIR_RATE_SET(pol->rate) |
+ ANA_POL_PIR_CFG_PIR_BURST_SET(pol->burst),
+ lan966x, ANA_POL_PIR_CFG(pol_idx));
+
+ return 0;
+}
+
+static int lan966x_police_del(struct lan966x_port *port,
+ u16 pol_idx)
+{
+ struct lan966x *lan966x = port->lan966x;
+
+ lan_wr(ANA_POL_MODE_DROP_ON_YELLOW_ENA_SET(0) |
+ ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA_SET(0) |
+ ANA_POL_MODE_IPG_SIZE_SET(20) |
+ ANA_POL_MODE_FRM_MODE_SET(2) |
+ ANA_POL_MODE_OVERSHOOT_ENA_SET(1),
+ lan966x, ANA_POL_MODE(pol_idx));
+
+ lan_wr(ANA_POL_PIR_STATE_PIR_LVL_SET(0),
+ lan966x, ANA_POL_PIR_STATE(pol_idx));
+
+ lan_wr(ANA_POL_PIR_CFG_PIR_RATE_SET(GENMASK(14, 0)) |
+ ANA_POL_PIR_CFG_PIR_BURST_SET(0),
+ lan966x, ANA_POL_PIR_CFG(pol_idx));
+
+ return 0;
+}
+
+static int lan966x_police_validate(struct lan966x_port *port,
+ const struct flow_action *action,
+ const struct flow_action_entry *act,
+ unsigned long police_id,
+ bool ingress,
+ struct netlink_ext_ack *extack)
+{
+ if (act->police.exceed.act_id != FLOW_ACTION_DROP) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when exceed action is not drop");
+ return -EOPNOTSUPP;
+ }
+
+ if (act->police.notexceed.act_id != FLOW_ACTION_PIPE &&
+ act->police.notexceed.act_id != FLOW_ACTION_ACCEPT) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when conform action is not pipe or ok");
+ return -EOPNOTSUPP;
+ }
+
+ if (act->police.notexceed.act_id == FLOW_ACTION_ACCEPT &&
+ !flow_action_is_last_entry(action, act)) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when conform action is ok, but action is not last");
+ return -EOPNOTSUPP;
+ }
+
+ if (act->police.peakrate_bytes_ps ||
+ act->police.avrate || act->police.overhead) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Offload not supported when peakrate/avrate/overhead is configured");
+ return -EOPNOTSUPP;
+ }
+
+ if (act->police.rate_pkt_ps) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "QoS offload not support packets per second");
+ return -EOPNOTSUPP;
+ }
+
+ if (!ingress) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Policer is not supported on egress");
+ return -EOPNOTSUPP;
+ }
+
+ if (port->tc.ingress_shared_block) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Policer is not supported on shared ingress blocks");
+ return -EOPNOTSUPP;
+ }
+
+ if (port->tc.police_id && port->tc.police_id != police_id) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Only one policer per port is supported");
+ return -EEXIST;
+ }
+
+ return 0;
+}
+
+int lan966x_police_port_add(struct lan966x_port *port,
+ struct flow_action *action,
+ struct flow_action_entry *act,
+ unsigned long police_id,
+ bool ingress,
+ struct netlink_ext_ack *extack)
+{
+ struct lan966x *lan966x = port->lan966x;
+ struct rtnl_link_stats64 new_stats;
+ struct lan966x_tc_policer pol;
+ struct flow_stats *old_stats;
+ int err;
+
+ err = lan966x_police_validate(port, action, act, police_id, ingress,
+ extack);
+ if (err)
+ return err;
+
+ memset(&pol, 0, sizeof(pol));
+
+ pol.rate = div_u64(act->police.rate_bytes_ps, 1000) * 8;
+ pol.burst = act->police.burst;
+
+ err = lan966x_police_add(port, &pol, POL_IDX_PORT + port->chip_port);
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Failed to add policer to port");
+ return err;
+ }
+
+ lan_rmw(ANA_POL_CFG_PORT_POL_ENA_SET(1) |
+ ANA_POL_CFG_POL_ORDER_SET(POL_ORDER),
+ ANA_POL_CFG_PORT_POL_ENA |
+ ANA_POL_CFG_POL_ORDER,
+ lan966x, ANA_POL_CFG(port->chip_port));
+
+ port->tc.police_id = police_id;
+
+ /* Setup initial stats */
+ old_stats = &port->tc.police_stat;
+ lan966x_stats_get(port->dev, &new_stats);
+ old_stats->bytes = new_stats.rx_bytes;
+ old_stats->pkts = new_stats.rx_packets;
+ old_stats->drops = new_stats.rx_dropped;
+ old_stats->lastused = jiffies;
+
+ return 0;
+}
+
+int lan966x_police_port_del(struct lan966x_port *port,
+ unsigned long police_id,
+ struct netlink_ext_ack *extack)
+{
+ struct lan966x *lan966x = port->lan966x;
+ int err;
+
+ if (port->tc.police_id != police_id) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Invalid policer id");
+ return -EINVAL;
+ }
+
+ err = lan966x_police_del(port, port->tc.police_id);
+ if (err) {
+ NL_SET_ERR_MSG_MOD(extack,
+ "Failed to add policer to port");
+ return err;
+ }
+
+ lan_rmw(ANA_POL_CFG_PORT_POL_ENA_SET(0) |
+ ANA_POL_CFG_POL_ORDER_SET(POL_ORDER),
+ ANA_POL_CFG_PORT_POL_ENA |
+ ANA_POL_CFG_POL_ORDER,
+ lan966x, ANA_POL_CFG(port->chip_port));
+
+ port->tc.police_id = 0;
+
+ return 0;
+}
+
+void lan966x_police_port_stats(struct lan966x_port *port,
+ struct flow_stats *stats)
+{
+ struct rtnl_link_stats64 new_stats;
+ struct flow_stats *old_stats;
+
+ old_stats = &port->tc.police_stat;
+ lan966x_stats_get(port->dev, &new_stats);
+
+ flow_stats_update(stats,
+ new_stats.rx_bytes - old_stats->bytes,
+ new_stats.rx_packets - old_stats->pkts,
+ new_stats.rx_dropped - old_stats->drops,
+ old_stats->lastused,
+ FLOW_ACTION_HW_STATS_IMMEDIATE);
+
+ old_stats->bytes = new_stats.rx_bytes;
+ old_stats->pkts = new_stats.rx_packets;
+ old_stats->drops = new_stats.rx_dropped;
+ old_stats->lastused = jiffies;
+}
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h b/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
index 4f00f95d66b68..5cb88d81afbac 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_regs.h
@@ -354,6 +354,21 @@ enum lan966x_target {
#define ANA_PORT_CFG_PORTID_VAL_GET(x)\
FIELD_GET(ANA_PORT_CFG_PORTID_VAL, x)
+/* ANA:PORT:POL_CFG */
+#define ANA_POL_CFG(g) __REG(TARGET_ANA, 0, 1, 28672, g, 9, 128, 116, 0, 1, 4)
+
+#define ANA_POL_CFG_PORT_POL_ENA BIT(17)
+#define ANA_POL_CFG_PORT_POL_ENA_SET(x)\
+ FIELD_PREP(ANA_POL_CFG_PORT_POL_ENA, x)
+#define ANA_POL_CFG_PORT_POL_ENA_GET(x)\
+ FIELD_GET(ANA_POL_CFG_PORT_POL_ENA, x)
+
+#define ANA_POL_CFG_POL_ORDER GENMASK(8, 0)
+#define ANA_POL_CFG_POL_ORDER_SET(x)\
+ FIELD_PREP(ANA_POL_CFG_POL_ORDER, x)
+#define ANA_POL_CFG_POL_ORDER_GET(x)\
+ FIELD_GET(ANA_POL_CFG_POL_ORDER, x)
+
/* ANA:PFC:PFC_CFG */
#define ANA_PFC_CFG(g) __REG(TARGET_ANA, 0, 1, 30720, g, 8, 64, 0, 0, 1, 4)
@@ -408,6 +423,63 @@ enum lan966x_target {
#define ANA_AGGR_CFG_AC_IP4_TCPUDP_ENA_GET(x)\
FIELD_GET(ANA_AGGR_CFG_AC_IP4_TCPUDP_ENA, x)
+/* ANA:POL:POL_PIR_CFG */
+#define ANA_POL_PIR_CFG(g) __REG(TARGET_ANA, 0, 1, 16384, g, 345, 32, 0, 0, 1, 4)
+
+#define ANA_POL_PIR_CFG_PIR_RATE GENMASK(20, 6)
+#define ANA_POL_PIR_CFG_PIR_RATE_SET(x)\
+ FIELD_PREP(ANA_POL_PIR_CFG_PIR_RATE, x)
+#define ANA_POL_PIR_CFG_PIR_RATE_GET(x)\
+ FIELD_GET(ANA_POL_PIR_CFG_PIR_RATE, x)
+
+#define ANA_POL_PIR_CFG_PIR_BURST GENMASK(5, 0)
+#define ANA_POL_PIR_CFG_PIR_BURST_SET(x)\
+ FIELD_PREP(ANA_POL_PIR_CFG_PIR_BURST, x)
+#define ANA_POL_PIR_CFG_PIR_BURST_GET(x)\
+ FIELD_GET(ANA_POL_PIR_CFG_PIR_BURST, x)
+
+/* ANA:POL:POL_MODE_CFG */
+#define ANA_POL_MODE(g) __REG(TARGET_ANA, 0, 1, 16384, g, 345, 32, 8, 0, 1, 4)
+
+#define ANA_POL_MODE_DROP_ON_YELLOW_ENA BIT(11)
+#define ANA_POL_MODE_DROP_ON_YELLOW_ENA_SET(x)\
+ FIELD_PREP(ANA_POL_MODE_DROP_ON_YELLOW_ENA, x)
+#define ANA_POL_MODE_DROP_ON_YELLOW_ENA_GET(x)\
+ FIELD_GET(ANA_POL_MODE_DROP_ON_YELLOW_ENA, x)
+
+#define ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA BIT(10)
+#define ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA_SET(x)\
+ FIELD_PREP(ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA, x)
+#define ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA_GET(x)\
+ FIELD_GET(ANA_POL_MODE_MARK_ALL_FRMS_RED_ENA, x)
+
+#define ANA_POL_MODE_IPG_SIZE GENMASK(9, 5)
+#define ANA_POL_MODE_IPG_SIZE_SET(x)\
+ FIELD_PREP(ANA_POL_MODE_IPG_SIZE, x)
+#define ANA_POL_MODE_IPG_SIZE_GET(x)\
+ FIELD_GET(ANA_POL_MODE_IPG_SIZE, x)
+
+#define ANA_POL_MODE_FRM_MODE GENMASK(4, 3)
+#define ANA_POL_MODE_FRM_MODE_SET(x)\
+ FIELD_PREP(ANA_POL_MODE_FRM_MODE, x)
+#define ANA_POL_MODE_FRM_MODE_GET(x)\
+ FIELD_GET(ANA_POL_MODE_FRM_MODE, x)
+
+#define ANA_POL_MODE_OVERSHOOT_ENA BIT(0)
+#define ANA_POL_MODE_OVERSHOOT_ENA_SET(x)\
+ FIELD_PREP(ANA_POL_MODE_OVERSHOOT_ENA, x)
+#define ANA_POL_MODE_OVERSHOOT_ENA_GET(x)\
+ FIELD_GET(ANA_POL_MODE_OVERSHOOT_ENA, x)
+
+/* ANA:POL:POL_PIR_STATE */
+#define ANA_POL_PIR_STATE(g) __REG(TARGET_ANA, 0, 1, 16384, g, 345, 32, 12, 0, 1, 4)
+
+#define ANA_POL_PIR_STATE_PIR_LVL GENMASK(21, 0)
+#define ANA_POL_PIR_STATE_PIR_LVL_SET(x)\
+ FIELD_PREP(ANA_POL_PIR_STATE_PIR_LVL, x)
+#define ANA_POL_PIR_STATE_PIR_LVL_GET(x)\
+ FIELD_GET(ANA_POL_PIR_STATE_PIR_LVL, x)
+
/* CHIP_TOP:CUPHY_CFG:CUPHY_PORT_CFG */
#define CHIP_TOP_CUPHY_PORT_CFG(r) __REG(TARGET_CHIP_TOP, 0, 1, 16, 0, 1, 20, 8, r, 2, 4)
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c b/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c
index 336eb7ee0d608..651d5493ae55b 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_tc.c
@@ -4,6 +4,8 @@
#include "lan966x_main.h"
+static LIST_HEAD(lan966x_tc_block_cb_list);
+
static int lan966x_tc_setup_qdisc_mqprio(struct lan966x_port *port,
struct tc_mqprio_qopt_offload *mqprio)
{
@@ -59,6 +61,52 @@ static int lan966x_tc_setup_qdisc_ets(struct lan966x_port *port,
return -EOPNOTSUPP;
}
+static int lan966x_tc_block_cb(enum tc_setup_type type, void *type_data,
+ void *cb_priv, bool ingress)
+{
+ struct lan966x_port *port = cb_priv;
+
+ switch (type) {
+ case TC_SETUP_CLSMATCHALL:
+ return lan966x_tc_matchall(port, type_data, ingress);
+ default:
+ return -EOPNOTSUPP;
+ }
+}
+
+static int lan966x_tc_block_cb_ingress(enum tc_setup_type type,
+ void *type_data, void *cb_priv)
+{
+ return lan966x_tc_block_cb(type, type_data, cb_priv, true);
+}
+
+static int lan966x_tc_block_cb_egress(enum tc_setup_type type,
+ void *type_data, void *cb_priv)
+{
+ return lan966x_tc_block_cb(type, type_data, cb_priv, false);
+}
+
+static int lan966x_tc_setup_block(struct lan966x_port *port,
+ struct flow_block_offload *f)
+{
+ flow_setup_cb_t *cb;
+ bool ingress;
+
+ if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_INGRESS) {
+ cb = lan966x_tc_block_cb_ingress;
+ port->tc.ingress_shared_block = f->block_shared;
+ ingress = true;
+ } else if (f->binder_type == FLOW_BLOCK_BINDER_TYPE_CLSACT_EGRESS) {
+ cb = lan966x_tc_block_cb_egress;
+ ingress = false;
+ } else {
+ return -EOPNOTSUPP;
+ }
+
+ return flow_block_cb_setup_simple(f, &lan966x_tc_block_cb_list,
+ cb, port, port, ingress);
+}
+
int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type,
void *type_data)
{
@@ -75,6 +123,8 @@ int lan966x_tc_setup(struct net_device *dev, enum tc_setup_type type,
return lan966x_tc_setup_qdisc_cbs(port, type_data);
case TC_SETUP_QDISC_ETS:
return lan966x_tc_setup_qdisc_ets(port, type_data);
+ case TC_SETUP_BLOCK:
+ return lan966x_tc_setup_block(port, type_data);
default:
return -EOPNOTSUPP;
}
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_tc_matchall.c b/drivers/net/ethernet/microchip/lan966x/lan966x_tc_matchall.c
new file mode 100644
index 0000000000000..dc065b556ef7b
--- /dev/null
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_tc_matchall.c
@@ -0,0 +1,85 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include "lan966x_main.h"
+
+static int lan966x_tc_matchall_add(struct lan966x_port *port,
+ struct tc_cls_matchall_offload *f,
+ bool ingress)
+{
+ struct flow_action_entry *act;
+
+ if (!flow_offload_has_one_action(&f->rule->action)) {
+ NL_SET_ERR_MSG_MOD(f->common.extack,
+ "Only once action per filter is supported");
+ return -EOPNOTSUPP;
+ }
+
+ act = &f->rule->action.entries[0];
+ switch (act->id) {
+ case FLOW_ACTION_POLICE:
+ return lan966x_police_port_add(port, &f->rule->action, act,
+ f->cookie, ingress,
+ f->common.extack);
+ default:
+ NL_SET_ERR_MSG_MOD(f->common.extack,
+ "Unsupported action");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int lan966x_tc_matchall_del(struct lan966x_port *port,
+ struct tc_cls_matchall_offload *f,
+ bool ingress)
+{
+ if (f->cookie == port->tc.police_id) {
+ return lan966x_police_port_del(port, f->cookie,
+ f->common.extack);
+ } else {
+ NL_SET_ERR_MSG_MOD(f->common.extack,
+ "Unsupported action");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int lan966x_tc_matchall_stats(struct lan966x_port *port,
+ struct tc_cls_matchall_offload *f,
+ bool ingress)
+{
+ if (f->cookie == port->tc.police_id) {
+ lan966x_police_port_stats(port, &f->stats);
+ } else {
+ NL_SET_ERR_MSG_MOD(f->common.extack,
+ "Unsupported action");
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+int lan966x_tc_matchall(struct lan966x_port *port,
+ struct tc_cls_matchall_offload *f,
+ bool ingress)
+{
+ if (!tc_cls_can_offload_and_chain0(port->dev, &f->common)) {
+ NL_SET_ERR_MSG_MOD(f->common.extack,
+ "Only chain zero is supported");
+ return -EOPNOTSUPP;
+ }
+
+ switch (f->command) {
+ case TC_CLSMATCHALL_REPLACE:
+ return lan966x_tc_matchall_add(port, f, ingress);
+ case TC_CLSMATCHALL_DESTROY:
+ return lan966x_tc_matchall_del(port, f, ingress);
+ case TC_CLSMATCHALL_STATS:
+ return lan966x_tc_matchall_stats(port, f, ingress);
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
--
2.33.0
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