Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 468 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_policer.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_policer.c
new file mode 100644
index 000000000..22ebb207c
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_policer.c
@@ -0,0 +1,468 @@
+// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
+/* Copyright (c) 2020 Mellanox Technologies. All rights reserved */
+
+#include <linux/idr.h>
+#include <linux/log2.h>
+#include <linux/mutex.h>
+#include <linux/netlink.h>
+#include <net/devlink.h>
+
+#include "spectrum.h"
+
+struct mlxsw_sp_policer_family {
+	enum mlxsw_sp_policer_type type;
+	enum mlxsw_reg_qpcr_g qpcr_type;
+	struct mlxsw_sp *mlxsw_sp;
+	u16 start_index; /* Inclusive */
+	u16 end_index; /* Exclusive */
+	struct idr policer_idr;
+	struct mutex lock; /* Protects policer_idr */
+	atomic_t policers_count;
+	const struct mlxsw_sp_policer_family_ops *ops;
+};
+
+struct mlxsw_sp_policer {
+	struct mlxsw_sp_policer_params params;
+	u16 index;
+};
+
+struct mlxsw_sp_policer_family_ops {
+	int (*init)(struct mlxsw_sp_policer_family *family);
+	void (*fini)(struct mlxsw_sp_policer_family *family);
+	int (*policer_index_alloc)(struct mlxsw_sp_policer_family *family,
+				   struct mlxsw_sp_policer *policer);
+	struct mlxsw_sp_policer * (*policer_index_free)(struct mlxsw_sp_policer_family *family,
+							u16 policer_index);
+	int (*policer_init)(struct mlxsw_sp_policer_family *family,
+			    const struct mlxsw_sp_policer *policer);
+	int (*policer_params_check)(const struct mlxsw_sp_policer_family *family,
+				    const struct mlxsw_sp_policer_params *params,
+				    struct netlink_ext_ack *extack);
+};
+
+struct mlxsw_sp_policer_core {
+	struct mlxsw_sp_policer_family *family_arr[MLXSW_SP_POLICER_TYPE_MAX + 1];
+	const struct mlxsw_sp_policer_core_ops *ops;
+	u8 lowest_bs_bits;
+	u8 highest_bs_bits;
+};
+
+struct mlxsw_sp_policer_core_ops {
+	int (*init)(struct mlxsw_sp_policer_core *policer_core);
+};
+
+static u64 mlxsw_sp_policer_rate_bytes_ps_kbps(u64 rate_bytes_ps)
+{
+	return div_u64(rate_bytes_ps, 1000) * BITS_PER_BYTE;
+}
+
+static u8 mlxsw_sp_policer_burst_bytes_hw_units(u64 burst_bytes)
+{
+	/* Provided burst size is in bytes. The ASIC burst size value is
+	 * (2 ^ bs) * 512 bits. Convert the provided size to 512-bit units.
+	 */
+	u64 bs512 = div_u64(burst_bytes, 64);
+
+	if (!bs512)
+		return 0;
+
+	return fls64(bs512) - 1;
+}
+
+static u64 mlxsw_sp_policer_single_rate_occ_get(void *priv)
+{
+	struct mlxsw_sp_policer_family *family = priv;
+
+	return atomic_read(&family->policers_count);
+}
+
+static int
+mlxsw_sp_policer_single_rate_family_init(struct mlxsw_sp_policer_family *family)
+{
+	struct mlxsw_core *core = family->mlxsw_sp->core;
+	struct devlink *devlink;
+
+	/* CPU policers are allocated from the first N policers in the global
+	 * range, so skip them.
+	 */
+	if (!MLXSW_CORE_RES_VALID(core, MAX_GLOBAL_POLICERS) ||
+	    !MLXSW_CORE_RES_VALID(core, MAX_CPU_POLICERS))
+		return -EIO;
+
+	family->start_index = MLXSW_CORE_RES_GET(core, MAX_CPU_POLICERS);
+	family->end_index = MLXSW_CORE_RES_GET(core, MAX_GLOBAL_POLICERS);
+
+	atomic_set(&family->policers_count, 0);
+	devlink = priv_to_devlink(core);
+	devl_resource_occ_get_register(devlink,
+				       MLXSW_SP_RESOURCE_SINGLE_RATE_POLICERS,
+				       mlxsw_sp_policer_single_rate_occ_get,
+				       family);
+
+	return 0;
+}
+
+static void
+mlxsw_sp_policer_single_rate_family_fini(struct mlxsw_sp_policer_family *family)
+{
+	struct devlink *devlink = priv_to_devlink(family->mlxsw_sp->core);
+
+	devl_resource_occ_get_unregister(devlink,
+					 MLXSW_SP_RESOURCE_SINGLE_RATE_POLICERS);
+	WARN_ON(atomic_read(&family->policers_count) != 0);
+}
+
+static int
+mlxsw_sp_policer_single_rate_index_alloc(struct mlxsw_sp_policer_family *family,
+					 struct mlxsw_sp_policer *policer)
+{
+	int id;
+
+	mutex_lock(&family->lock);
+	id = idr_alloc(&family->policer_idr, policer, family->start_index,
+		       family->end_index, GFP_KERNEL);
+	mutex_unlock(&family->lock);
+
+	if (id < 0)
+		return id;
+
+	atomic_inc(&family->policers_count);
+	policer->index = id;
+
+	return 0;
+}
+
+static struct mlxsw_sp_policer *
+mlxsw_sp_policer_single_rate_index_free(struct mlxsw_sp_policer_family *family,
+					u16 policer_index)
+{
+	struct mlxsw_sp_policer *policer;
+
+	atomic_dec(&family->policers_count);
+
+	mutex_lock(&family->lock);
+	policer = idr_remove(&family->policer_idr, policer_index);
+	mutex_unlock(&family->lock);
+
+	WARN_ON(!policer);
+
+	return policer;
+}
+
+static int
+mlxsw_sp_policer_single_rate_init(struct mlxsw_sp_policer_family *family,
+				  const struct mlxsw_sp_policer *policer)
+{
+	u64 rate_kbps = mlxsw_sp_policer_rate_bytes_ps_kbps(policer->params.rate);
+	u8 bs = mlxsw_sp_policer_burst_bytes_hw_units(policer->params.burst);
+	struct mlxsw_sp *mlxsw_sp = family->mlxsw_sp;
+	char qpcr_pl[MLXSW_REG_QPCR_LEN];
+
+	mlxsw_reg_qpcr_pack(qpcr_pl, policer->index, MLXSW_REG_QPCR_IR_UNITS_K,
+			    true, rate_kbps, bs);
+	mlxsw_reg_qpcr_clear_counter_set(qpcr_pl, true);
+
+	return mlxsw_reg_write(mlxsw_sp->core, MLXSW_REG(qpcr), qpcr_pl);
+}
+
+static int
+mlxsw_sp_policer_single_rate_params_check(const struct mlxsw_sp_policer_family *family,
+					  const struct mlxsw_sp_policer_params *params,
+					  struct netlink_ext_ack *extack)
+{
+	struct mlxsw_sp_policer_core *policer_core = family->mlxsw_sp->policer_core;
+	u64 rate_bps = params->rate * BITS_PER_BYTE;
+	u8 bs;
+
+	if (!params->bytes) {
+		NL_SET_ERR_MSG_MOD(extack, "Only bandwidth policing is currently supported by single rate policers");
+		return -EINVAL;
+	}
+
+	if (!is_power_of_2(params->burst)) {
+		NL_SET_ERR_MSG_MOD(extack, "Policer burst size is not power of two");
+		return -EINVAL;
+	}
+
+	bs = mlxsw_sp_policer_burst_bytes_hw_units(params->burst);
+
+	if (bs < policer_core->lowest_bs_bits) {
+		NL_SET_ERR_MSG_MOD(extack, "Policer burst size lower than limit");
+		return -EINVAL;
+	}
+
+	if (bs > policer_core->highest_bs_bits) {
+		NL_SET_ERR_MSG_MOD(extack, "Policer burst size higher than limit");
+		return -EINVAL;
+	}
+
+	if (rate_bps < MLXSW_REG_QPCR_LOWEST_CIR_BITS) {
+		NL_SET_ERR_MSG_MOD(extack, "Policer rate lower than limit");
+		return -EINVAL;
+	}
+
+	if (rate_bps > MLXSW_REG_QPCR_HIGHEST_CIR_BITS) {
+		NL_SET_ERR_MSG_MOD(extack, "Policer rate higher than limit");
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+static const struct mlxsw_sp_policer_family_ops mlxsw_sp_policer_single_rate_ops = {
+	.init			= mlxsw_sp_policer_single_rate_family_init,
+	.fini			= mlxsw_sp_policer_single_rate_family_fini,
+	.policer_index_alloc	= mlxsw_sp_policer_single_rate_index_alloc,
+	.policer_index_free	= mlxsw_sp_policer_single_rate_index_free,
+	.policer_init		= mlxsw_sp_policer_single_rate_init,
+	.policer_params_check	= mlxsw_sp_policer_single_rate_params_check,
+};
+
+static const struct mlxsw_sp_policer_family mlxsw_sp_policer_single_rate_family = {
+	.type		= MLXSW_SP_POLICER_TYPE_SINGLE_RATE,
+	.qpcr_type	= MLXSW_REG_QPCR_G_GLOBAL,
+	.ops		= &mlxsw_sp_policer_single_rate_ops,
+};
+
+static const struct mlxsw_sp_policer_family *mlxsw_sp_policer_family_arr[] = {
+	[MLXSW_SP_POLICER_TYPE_SINGLE_RATE]	= &mlxsw_sp_policer_single_rate_family,
+};
+
+int mlxsw_sp_policer_add(struct mlxsw_sp *mlxsw_sp,
+			 enum mlxsw_sp_policer_type type,
+			 const struct mlxsw_sp_policer_params *params,
+			 struct netlink_ext_ack *extack, u16 *p_policer_index)
+{
+	struct mlxsw_sp_policer_family *family;
+	struct mlxsw_sp_policer *policer;
+	int err;
+
+	family = mlxsw_sp->policer_core->family_arr[type];
+
+	err = family->ops->policer_params_check(family, params, extack);
+	if (err)
+		return err;
+
+	policer = kmalloc(sizeof(*policer), GFP_KERNEL);
+	if (!policer)
+		return -ENOMEM;
+	policer->params = *params;
+
+	err = family->ops->policer_index_alloc(family, policer);
+	if (err) {
+		NL_SET_ERR_MSG_MOD(extack, "Failed to allocate policer index");
+		goto err_policer_index_alloc;
+	}
+
+	err = family->ops->policer_init(family, policer);
+	if (err) {
+		NL_SET_ERR_MSG_MOD(extack, "Failed to initialize policer");
+		goto err_policer_init;
+	}
+
+	*p_policer_index = policer->index;
+
+	return 0;
+
+err_policer_init:
+	family->ops->policer_index_free(family, policer->index);
+err_policer_index_alloc:
+	kfree(policer);
+	return err;
+}
+
+void mlxsw_sp_policer_del(struct mlxsw_sp *mlxsw_sp,
+			  enum mlxsw_sp_policer_type type, u16 policer_index)
+{
+	struct mlxsw_sp_policer_family *family;
+	struct mlxsw_sp_policer *policer;
+
+	family = mlxsw_sp->policer_core->family_arr[type];
+	policer = family->ops->policer_index_free(family, policer_index);
+	kfree(policer);
+}
+
+int mlxsw_sp_policer_drops_counter_get(struct mlxsw_sp *mlxsw_sp,
+				       enum mlxsw_sp_policer_type type,
+				       u16 policer_index, u64 *p_drops)
+{
+	struct mlxsw_sp_policer_family *family;
+	char qpcr_pl[MLXSW_REG_QPCR_LEN];
+	int err;
+
+	family = mlxsw_sp->policer_core->family_arr[type];
+
+	MLXSW_REG_ZERO(qpcr, qpcr_pl);
+	mlxsw_reg_qpcr_pid_set(qpcr_pl, policer_index);
+	mlxsw_reg_qpcr_g_set(qpcr_pl, family->qpcr_type);
+	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;
+}
+
+static int
+mlxsw_sp_policer_family_register(struct mlxsw_sp *mlxsw_sp,
+				 const struct mlxsw_sp_policer_family *tmpl)
+{
+	struct mlxsw_sp_policer_family *family;
+	int err;
+
+	family = kmemdup(tmpl, sizeof(*family), GFP_KERNEL);
+	if (!family)
+		return -ENOMEM;
+
+	family->mlxsw_sp = mlxsw_sp;
+	idr_init(&family->policer_idr);
+	mutex_init(&family->lock);
+
+	err = family->ops->init(family);
+	if (err)
+		goto err_family_init;
+
+	if (WARN_ON(family->start_index >= family->end_index)) {
+		err = -EINVAL;
+		goto err_index_check;
+	}
+
+	mlxsw_sp->policer_core->family_arr[tmpl->type] = family;
+
+	return 0;
+
+err_index_check:
+	family->ops->fini(family);
+err_family_init:
+	mutex_destroy(&family->lock);
+	idr_destroy(&family->policer_idr);
+	kfree(family);
+	return err;
+}
+
+static void
+mlxsw_sp_policer_family_unregister(struct mlxsw_sp *mlxsw_sp,
+				   struct mlxsw_sp_policer_family *family)
+{
+	family->ops->fini(family);
+	mutex_destroy(&family->lock);
+	WARN_ON(!idr_is_empty(&family->policer_idr));
+	idr_destroy(&family->policer_idr);
+	kfree(family);
+}
+
+int mlxsw_sp_policers_init(struct mlxsw_sp *mlxsw_sp)
+{
+	struct mlxsw_sp_policer_core *policer_core;
+	int i, err;
+
+	policer_core = kzalloc(sizeof(*policer_core), GFP_KERNEL);
+	if (!policer_core)
+		return -ENOMEM;
+	mlxsw_sp->policer_core = policer_core;
+	policer_core->ops = mlxsw_sp->policer_core_ops;
+
+	err = policer_core->ops->init(policer_core);
+	if (err)
+		goto err_init;
+
+	for (i = 0; i < MLXSW_SP_POLICER_TYPE_MAX + 1; i++) {
+		err = mlxsw_sp_policer_family_register(mlxsw_sp, mlxsw_sp_policer_family_arr[i]);
+		if (err)
+			goto err_family_register;
+	}
+
+	return 0;
+
+err_family_register:
+	for (i--; i >= 0; i--) {
+		struct mlxsw_sp_policer_family *family;
+
+		family = mlxsw_sp->policer_core->family_arr[i];
+		mlxsw_sp_policer_family_unregister(mlxsw_sp, family);
+	}
+err_init:
+	kfree(mlxsw_sp->policer_core);
+	return err;
+}
+
+void mlxsw_sp_policers_fini(struct mlxsw_sp *mlxsw_sp)
+{
+	int i;
+
+	for (i = MLXSW_SP_POLICER_TYPE_MAX; i >= 0; i--) {
+		struct mlxsw_sp_policer_family *family;
+
+		family = mlxsw_sp->policer_core->family_arr[i];
+		mlxsw_sp_policer_family_unregister(mlxsw_sp, family);
+	}
+
+	kfree(mlxsw_sp->policer_core);
+}
+
+int mlxsw_sp_policer_resources_register(struct mlxsw_core *mlxsw_core)
+{
+	u64 global_policers, cpu_policers, single_rate_policers;
+	struct devlink *devlink = priv_to_devlink(mlxsw_core);
+	struct devlink_resource_size_params size_params;
+	int err;
+
+	if (!MLXSW_CORE_RES_VALID(mlxsw_core, MAX_GLOBAL_POLICERS) ||
+	    !MLXSW_CORE_RES_VALID(mlxsw_core, MAX_CPU_POLICERS))
+		return -EIO;
+
+	global_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_GLOBAL_POLICERS);
+	cpu_policers = MLXSW_CORE_RES_GET(mlxsw_core, MAX_CPU_POLICERS);
+	single_rate_policers = global_policers - cpu_policers;
+
+	devlink_resource_size_params_init(&size_params, global_policers,
+					  global_policers, 1,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	err = devl_resource_register(devlink, "global_policers",
+				     global_policers,
+				     MLXSW_SP_RESOURCE_GLOBAL_POLICERS,
+				     DEVLINK_RESOURCE_ID_PARENT_TOP,
+				     &size_params);
+	if (err)
+		return err;
+
+	devlink_resource_size_params_init(&size_params, single_rate_policers,
+					  single_rate_policers, 1,
+					  DEVLINK_RESOURCE_UNIT_ENTRY);
+	err = devl_resource_register(devlink, "single_rate_policers",
+				     single_rate_policers,
+				     MLXSW_SP_RESOURCE_SINGLE_RATE_POLICERS,
+				     MLXSW_SP_RESOURCE_GLOBAL_POLICERS,
+				     &size_params);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+static int
+mlxsw_sp1_policer_core_init(struct mlxsw_sp_policer_core *policer_core)
+{
+	policer_core->lowest_bs_bits = MLXSW_REG_QPCR_LOWEST_CBS_BITS_SP1;
+	policer_core->highest_bs_bits = MLXSW_REG_QPCR_HIGHEST_CBS_BITS_SP1;
+
+	return 0;
+}
+
+const struct mlxsw_sp_policer_core_ops mlxsw_sp1_policer_core_ops = {
+	.init = mlxsw_sp1_policer_core_init,
+};
+
+static int
+mlxsw_sp2_policer_core_init(struct mlxsw_sp_policer_core *policer_core)
+{
+	policer_core->lowest_bs_bits = MLXSW_REG_QPCR_LOWEST_CBS_BITS_SP2;
+	policer_core->highest_bs_bits = MLXSW_REG_QPCR_HIGHEST_CBS_BITS_SP2;
+
+	return 0;
+}
+
+const struct mlxsw_sp_policer_core_ops mlxsw_sp2_policer_core_ops = {
+	.init = mlxsw_sp2_policer_core_init,
+};