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, 553 insertions, 0 deletions

diff --git a/drivers/net/ethernet/mellanox/mlxsw/item.h b/drivers/net/ethernet/mellanox/mlxsw/item.h
new file mode 100644
index 000000000..cfafbeb42
--- /dev/null
+++ b/drivers/net/ethernet/mellanox/mlxsw/item.h
@@ -0,0 +1,553 @@
+/* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
+/* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
+
+#ifndef _MLXSW_ITEM_H
+#define _MLXSW_ITEM_H
+
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/bitops.h>
+
+struct mlxsw_item {
+	unsigned short	offset;		/* bytes in container */
+	short		step;		/* step in bytes for indexed items */
+	unsigned short	in_step_offset; /* offset within one step */
+	unsigned char	shift;		/* shift in bits */
+	unsigned char	element_size;	/* size of element in bit array */
+	bool		no_real_shift;
+	union {
+		unsigned char	bits;
+		unsigned short	bytes;
+	} size;
+	const char	*name;
+};
+
+static inline unsigned int
+__mlxsw_item_offset(const struct mlxsw_item *item, unsigned short index,
+		    size_t typesize)
+{
+	BUG_ON(index && !item->step);
+	if (item->offset % typesize != 0 ||
+	    item->step % typesize != 0 ||
+	    item->in_step_offset % typesize != 0) {
+		pr_err("mlxsw: item bug (name=%s,offset=%x,step=%x,in_step_offset=%x,typesize=%zx)\n",
+		       item->name, item->offset, item->step,
+		       item->in_step_offset, typesize);
+		BUG();
+	}
+
+	return ((item->offset + item->step * index + item->in_step_offset) /
+		typesize);
+}
+
+static inline u8 __mlxsw_item_get8(const char *buf,
+				   const struct mlxsw_item *item,
+				   unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(u8));
+	u8 *b = (u8 *) buf;
+	u8 tmp;
+
+	tmp = b[offset];
+	tmp >>= item->shift;
+	tmp &= GENMASK(item->size.bits - 1, 0);
+	if (item->no_real_shift)
+		tmp <<= item->shift;
+	return tmp;
+}
+
+static inline void __mlxsw_item_set8(char *buf, const struct mlxsw_item *item,
+				     unsigned short index, u8 val)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index,
+						  sizeof(u8));
+	u8 *b = (u8 *) buf;
+	u8 mask = GENMASK(item->size.bits - 1, 0) << item->shift;
+	u8 tmp;
+
+	if (!item->no_real_shift)
+		val <<= item->shift;
+	val &= mask;
+	tmp = b[offset];
+	tmp &= ~mask;
+	tmp |= val;
+	b[offset] = tmp;
+}
+
+static inline u16 __mlxsw_item_get16(const char *buf,
+				     const struct mlxsw_item *item,
+				     unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(u16));
+	__be16 *b = (__be16 *) buf;
+	u16 tmp;
+
+	tmp = be16_to_cpu(b[offset]);
+	tmp >>= item->shift;
+	tmp &= GENMASK(item->size.bits - 1, 0);
+	if (item->no_real_shift)
+		tmp <<= item->shift;
+	return tmp;
+}
+
+static inline void __mlxsw_item_set16(char *buf, const struct mlxsw_item *item,
+				      unsigned short index, u16 val)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index,
+						  sizeof(u16));
+	__be16 *b = (__be16 *) buf;
+	u16 mask = GENMASK(item->size.bits - 1, 0) << item->shift;
+	u16 tmp;
+
+	if (!item->no_real_shift)
+		val <<= item->shift;
+	val &= mask;
+	tmp = be16_to_cpu(b[offset]);
+	tmp &= ~mask;
+	tmp |= val;
+	b[offset] = cpu_to_be16(tmp);
+}
+
+static inline u32 __mlxsw_item_get32(const char *buf,
+				     const struct mlxsw_item *item,
+				     unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(u32));
+	__be32 *b = (__be32 *) buf;
+	u32 tmp;
+
+	tmp = be32_to_cpu(b[offset]);
+	tmp >>= item->shift;
+	tmp &= GENMASK(item->size.bits - 1, 0);
+	if (item->no_real_shift)
+		tmp <<= item->shift;
+	return tmp;
+}
+
+static inline void __mlxsw_item_set32(char *buf, const struct mlxsw_item *item,
+				      unsigned short index, u32 val)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index,
+						  sizeof(u32));
+	__be32 *b = (__be32 *) buf;
+	u32 mask = GENMASK(item->size.bits - 1, 0) << item->shift;
+	u32 tmp;
+
+	if (!item->no_real_shift)
+		val <<= item->shift;
+	val &= mask;
+	tmp = be32_to_cpu(b[offset]);
+	tmp &= ~mask;
+	tmp |= val;
+	b[offset] = cpu_to_be32(tmp);
+}
+
+static inline u64 __mlxsw_item_get64(const char *buf,
+				     const struct mlxsw_item *item,
+				     unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(u64));
+	__be64 *b = (__be64 *) buf;
+	u64 tmp;
+
+	tmp = be64_to_cpu(b[offset]);
+	tmp >>= item->shift;
+	tmp &= GENMASK_ULL(item->size.bits - 1, 0);
+	if (item->no_real_shift)
+		tmp <<= item->shift;
+	return tmp;
+}
+
+static inline void __mlxsw_item_set64(char *buf, const struct mlxsw_item *item,
+				      unsigned short index, u64 val)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(u64));
+	__be64 *b = (__be64 *) buf;
+	u64 mask = GENMASK_ULL(item->size.bits - 1, 0) << item->shift;
+	u64 tmp;
+
+	if (!item->no_real_shift)
+		val <<= item->shift;
+	val &= mask;
+	tmp = be64_to_cpu(b[offset]);
+	tmp &= ~mask;
+	tmp |= val;
+	b[offset] = cpu_to_be64(tmp);
+}
+
+static inline void __mlxsw_item_memcpy_from(const char *buf, char *dst,
+					    const struct mlxsw_item *item,
+					    unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(char));
+
+	memcpy(dst, &buf[offset], item->size.bytes);
+}
+
+static inline void __mlxsw_item_memcpy_to(char *buf, const char *src,
+					  const struct mlxsw_item *item,
+					  unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(char));
+
+	memcpy(&buf[offset], src, item->size.bytes);
+}
+
+static inline char *__mlxsw_item_data(char *buf, const struct mlxsw_item *item,
+				      unsigned short index)
+{
+	unsigned int offset = __mlxsw_item_offset(item, index, sizeof(char));
+
+	return &buf[offset];
+}
+
+static inline u16
+__mlxsw_item_bit_array_offset(const struct mlxsw_item *item,
+			      u16 index, u8 *shift)
+{
+	u16 max_index, be_index;
+	u16 offset;		/* byte offset inside the array */
+	u8 in_byte_index;
+
+	BUG_ON(index && !item->element_size);
+	if (item->offset % sizeof(u32) != 0 ||
+	    BITS_PER_BYTE % item->element_size != 0) {
+		pr_err("mlxsw: item bug (name=%s,offset=%x,element_size=%x)\n",
+		       item->name, item->offset, item->element_size);
+		BUG();
+	}
+
+	max_index = (item->size.bytes << 3) / item->element_size - 1;
+	be_index = max_index - index;
+	offset = be_index * item->element_size >> 3;
+	in_byte_index  = index % (BITS_PER_BYTE / item->element_size);
+	*shift = in_byte_index * item->element_size;
+
+	return item->offset + offset;
+}
+
+static inline u8 __mlxsw_item_bit_array_get(const char *buf,
+					    const struct mlxsw_item *item,
+					    u16 index)
+{
+	u8 shift, tmp;
+	u16 offset = __mlxsw_item_bit_array_offset(item, index, &shift);
+
+	tmp = buf[offset];
+	tmp >>= shift;
+	tmp &= GENMASK(item->element_size - 1, 0);
+	return tmp;
+}
+
+static inline void __mlxsw_item_bit_array_set(char *buf,
+					      const struct mlxsw_item *item,
+					      u16 index, u8 val)
+{
+	u8 shift, tmp;
+	u16 offset = __mlxsw_item_bit_array_offset(item, index, &shift);
+	u8 mask = GENMASK(item->element_size - 1, 0) << shift;
+
+	val <<= shift;
+	val &= mask;
+	tmp = buf[offset];
+	tmp &= ~mask;
+	tmp |= val;
+	buf[offset] = tmp;
+}
+
+#define __ITEM_NAME(_type, _cname, _iname)					\
+	mlxsw_##_type##_##_cname##_##_iname##_item
+
+/* _type: cmd_mbox, reg, etc.
+ * _cname: containter name (e.g. command name, register name)
+ * _iname: item name within the container
+ */
+
+#define MLXSW_ITEM8(_type, _cname, _iname, _offset, _shift, _sizebits)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.shift = _shift,							\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u8 __maybe_unused							\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf)			\
+{										\
+	return __mlxsw_item_get8(buf, &__ITEM_NAME(_type, _cname, _iname), 0);	\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, u8 val)			\
+{										\
+	__mlxsw_item_set8(buf, &__ITEM_NAME(_type, _cname, _iname), 0, val);	\
+}
+
+#define MLXSW_ITEM8_INDEXED(_type, _cname, _iname, _offset, _shift, _sizebits,	\
+			    _step, _instepoffset, _norealshift)			\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.step = _step,								\
+	.in_step_offset = _instepoffset,					\
+	.shift = _shift,							\
+	.no_real_shift = _norealshift,						\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u8 __maybe_unused							\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf, unsigned short index)\
+{										\
+	return __mlxsw_item_get8(buf, &__ITEM_NAME(_type, _cname, _iname),	\
+				 index);					\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, unsigned short index,	\
+					  u8 val)				\
+{										\
+	__mlxsw_item_set8(buf, &__ITEM_NAME(_type, _cname, _iname),		\
+			  index, val);						\
+}
+
+#define MLXSW_ITEM16(_type, _cname, _iname, _offset, _shift, _sizebits)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.shift = _shift,							\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u16 __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf)			\
+{										\
+	return __mlxsw_item_get16(buf, &__ITEM_NAME(_type, _cname, _iname), 0);	\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, u16 val)			\
+{										\
+	__mlxsw_item_set16(buf, &__ITEM_NAME(_type, _cname, _iname), 0, val);	\
+}
+
+#define MLXSW_ITEM16_INDEXED(_type, _cname, _iname, _offset, _shift, _sizebits,	\
+			     _step, _instepoffset, _norealshift)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.step = _step,								\
+	.in_step_offset = _instepoffset,					\
+	.shift = _shift,							\
+	.no_real_shift = _norealshift,						\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u16 __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf, unsigned short index)\
+{										\
+	return __mlxsw_item_get16(buf, &__ITEM_NAME(_type, _cname, _iname),	\
+				  index);					\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, unsigned short index,	\
+					  u16 val)				\
+{										\
+	__mlxsw_item_set16(buf, &__ITEM_NAME(_type, _cname, _iname),		\
+			   index, val);						\
+}
+
+#define MLXSW_ITEM32(_type, _cname, _iname, _offset, _shift, _sizebits)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.shift = _shift,							\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u32 __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf)			\
+{										\
+	return __mlxsw_item_get32(buf, &__ITEM_NAME(_type, _cname, _iname), 0);	\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, u32 val)			\
+{										\
+	__mlxsw_item_set32(buf, &__ITEM_NAME(_type, _cname, _iname), 0, val);	\
+}
+
+#define LOCAL_PORT_LSB_SIZE 8
+#define LOCAL_PORT_MSB_SIZE 2
+
+#define MLXSW_ITEM32_LP(_type, _cname, _offset1, _shift1, _offset2, _shift2)	\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, local_port) = {		\
+	.offset = _offset1,							\
+	.shift = _shift1,							\
+	.size = {.bits = LOCAL_PORT_LSB_SIZE,},					\
+	.name = #_type "_" #_cname "_local_port",				\
+};										\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, lp_msb) = {			\
+	.offset = _offset2,							\
+	.shift = _shift2,							\
+	.size = {.bits = LOCAL_PORT_MSB_SIZE,},					\
+	.name = #_type "_" #_cname "_lp_msb",					\
+};										\
+static inline u32 __maybe_unused						\
+mlxsw_##_type##_##_cname##_local_port_get(const char *buf)			\
+{										\
+	u32 local_port, lp_msb;							\
+										\
+	local_port = __mlxsw_item_get32(buf, &__ITEM_NAME(_type, _cname,	\
+					local_port), 0);			\
+	lp_msb = __mlxsw_item_get32(buf, &__ITEM_NAME(_type, _cname, lp_msb),	\
+				   0);						\
+	return (lp_msb << LOCAL_PORT_LSB_SIZE) + local_port;			\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_local_port_set(char *buf, u32 val)			\
+{										\
+	__mlxsw_item_set32(buf, &__ITEM_NAME(_type, _cname, local_port), 0,	\
+			   val & ((1 << LOCAL_PORT_LSB_SIZE) - 1));		\
+	__mlxsw_item_set32(buf, &__ITEM_NAME(_type, _cname, lp_msb), 0,		\
+			   val >> LOCAL_PORT_LSB_SIZE);				\
+}
+
+#define MLXSW_ITEM32_INDEXED(_type, _cname, _iname, _offset, _shift, _sizebits,	\
+			     _step, _instepoffset, _norealshift)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.step = _step,								\
+	.in_step_offset = _instepoffset,					\
+	.shift = _shift,							\
+	.no_real_shift = _norealshift,						\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u32 __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf, unsigned short index)\
+{										\
+	return __mlxsw_item_get32(buf, &__ITEM_NAME(_type, _cname, _iname),	\
+				  index);					\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, unsigned short index,	\
+					  u32 val)				\
+{										\
+	__mlxsw_item_set32(buf, &__ITEM_NAME(_type, _cname, _iname),		\
+			   index, val);						\
+}
+
+#define MLXSW_ITEM64(_type, _cname, _iname, _offset, _shift, _sizebits)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.shift = _shift,							\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u64 __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf)			\
+{										\
+	return __mlxsw_item_get64(buf, &__ITEM_NAME(_type, _cname, _iname), 0);	\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, u64 val)			\
+{										\
+	__mlxsw_item_set64(buf, &__ITEM_NAME(_type, _cname, _iname), 0,	val);	\
+}
+
+#define MLXSW_ITEM64_INDEXED(_type, _cname, _iname, _offset, _shift,		\
+			     _sizebits, _step, _instepoffset, _norealshift)	\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.step = _step,								\
+	.in_step_offset = _instepoffset,					\
+	.shift = _shift,							\
+	.no_real_shift = _norealshift,						\
+	.size = {.bits = _sizebits,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u64 __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf, unsigned short index)\
+{										\
+	return __mlxsw_item_get64(buf, &__ITEM_NAME(_type, _cname, _iname),	\
+				  index);					\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, unsigned short index,	\
+					  u64 val)				\
+{										\
+	__mlxsw_item_set64(buf, &__ITEM_NAME(_type, _cname, _iname),		\
+			   index, val);						\
+}
+
+#define MLXSW_ITEM_BUF(_type, _cname, _iname, _offset, _sizebytes)		\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.size = {.bytes = _sizebytes,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_memcpy_from(const char *buf, char *dst)	\
+{										\
+	__mlxsw_item_memcpy_from(buf, dst,					\
+				 &__ITEM_NAME(_type, _cname, _iname), 0);	\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_memcpy_to(char *buf, const char *src)	\
+{										\
+	__mlxsw_item_memcpy_to(buf, src,					\
+			       &__ITEM_NAME(_type, _cname, _iname), 0);		\
+}										\
+static inline char * __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_data(char *buf)				\
+{										\
+	return __mlxsw_item_data(buf, &__ITEM_NAME(_type, _cname, _iname), 0);	\
+}
+
+#define MLXSW_ITEM_BUF_INDEXED(_type, _cname, _iname, _offset, _sizebytes,	\
+			       _step, _instepoffset)				\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.step = _step,								\
+	.in_step_offset = _instepoffset,					\
+	.size = {.bytes = _sizebytes,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_memcpy_from(const char *buf,		\
+						  unsigned short index,		\
+						  char *dst)			\
+{										\
+	__mlxsw_item_memcpy_from(buf, dst,					\
+				 &__ITEM_NAME(_type, _cname, _iname), index);	\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_memcpy_to(char *buf,			\
+						unsigned short index,		\
+						const char *src)		\
+{										\
+	__mlxsw_item_memcpy_to(buf, src,					\
+			       &__ITEM_NAME(_type, _cname, _iname), index);	\
+}										\
+static inline char * __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_data(char *buf, unsigned short index)	\
+{										\
+	return __mlxsw_item_data(buf,						\
+				 &__ITEM_NAME(_type, _cname, _iname), index);	\
+}
+
+#define MLXSW_ITEM_BIT_ARRAY(_type, _cname, _iname, _offset, _sizebytes,	\
+			     _element_size)					\
+static struct mlxsw_item __ITEM_NAME(_type, _cname, _iname) = {			\
+	.offset = _offset,							\
+	.element_size = _element_size,						\
+	.size = {.bytes = _sizebytes,},						\
+	.name = #_type "_" #_cname "_" #_iname,					\
+};										\
+static inline u8 __maybe_unused							\
+mlxsw_##_type##_##_cname##_##_iname##_get(const char *buf, u16 index)		\
+{										\
+	return __mlxsw_item_bit_array_get(buf,					\
+					  &__ITEM_NAME(_type, _cname, _iname),	\
+					  index);				\
+}										\
+static inline void __maybe_unused						\
+mlxsw_##_type##_##_cname##_##_iname##_set(char *buf, u16 index, u8 val)		\
+{										\
+	return __mlxsw_item_bit_array_set(buf,					\
+					  &__ITEM_NAME(_type, _cname, _iname),	\
+					  index, val);				\
+}										\
+
+#endif