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, 514 insertions, 0 deletions

diff --git a/drivers/net/wireless/realtek/rtlwifi/debug.c b/drivers/net/wireless/realtek/rtlwifi/debug.c
new file mode 100644
index 000000000..0b1bc04cb
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtlwifi/debug.c
@@ -0,0 +1,514 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Copyright(c) 2009-2012  Realtek Corporation.*/
+
+#include "wifi.h"
+#include "cam.h"
+
+#include <linux/moduleparam.h>
+#include <linux/vmalloc.h>
+
+#ifdef CONFIG_RTLWIFI_DEBUG
+void _rtl_dbg_print(struct rtl_priv *rtlpriv, u64 comp, int level,
+		    const char *fmt, ...)
+{
+	if (unlikely((comp & rtlpriv->cfg->mod_params->debug_mask) &&
+		     level <= rtlpriv->cfg->mod_params->debug_level)) {
+		struct va_format vaf;
+		va_list args;
+
+		va_start(args, fmt);
+
+		vaf.fmt = fmt;
+		vaf.va = &args;
+
+		pr_info("%pV", &vaf);
+
+		va_end(args);
+	}
+}
+EXPORT_SYMBOL_GPL(_rtl_dbg_print);
+
+void _rtl_dbg_print_data(struct rtl_priv *rtlpriv, u64 comp, int level,
+			 const char *titlestring,
+			 const void *hexdata, int hexdatalen)
+{
+	if (unlikely(((comp) & rtlpriv->cfg->mod_params->debug_mask) &&
+		     ((level) <= rtlpriv->cfg->mod_params->debug_level))) {
+		pr_info("In process \"%s\" (pid %i): %s\n",
+			current->comm, current->pid, titlestring);
+		print_hex_dump_bytes("", DUMP_PREFIX_NONE,
+				     hexdata, hexdatalen);
+	}
+}
+EXPORT_SYMBOL_GPL(_rtl_dbg_print_data);
+
+struct rtl_debugfs_priv {
+	struct rtl_priv *rtlpriv;
+	int (*cb_read)(struct seq_file *m, void *v);
+	ssize_t (*cb_write)(struct file *filp, const char __user *buffer,
+			    size_t count, loff_t *loff);
+	u32 cb_data;
+};
+
+static struct dentry *debugfs_topdir;
+
+static int rtl_debug_get_common(struct seq_file *m, void *v)
+{
+	struct rtl_debugfs_priv *debugfs_priv = m->private;
+
+	return debugfs_priv->cb_read(m, v);
+}
+
+static int dl_debug_open_common(struct inode *inode, struct file *file)
+{
+	return single_open(file, rtl_debug_get_common, inode->i_private);
+}
+
+static const struct file_operations file_ops_common = {
+	.open = dl_debug_open_common,
+	.read = seq_read,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+static int rtl_debug_get_mac_page(struct seq_file *m, void *v)
+{
+	struct rtl_debugfs_priv *debugfs_priv = m->private;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	u32 page = debugfs_priv->cb_data;
+	int i, n;
+	int max = 0xff;
+
+	for (n = 0; n <= max; ) {
+		seq_printf(m, "\n%8.8x  ", n + page);
+		for (i = 0; i < 4 && n <= max; i++, n += 4)
+			seq_printf(m, "%8.8x    ",
+				   rtl_read_dword(rtlpriv, (page | n)));
+	}
+	seq_puts(m, "\n");
+	return 0;
+}
+
+#define RTL_DEBUG_IMPL_MAC_SERIES(page, addr)			\
+static struct rtl_debugfs_priv rtl_debug_priv_mac_ ##page = {	\
+	.cb_read = rtl_debug_get_mac_page,			\
+	.cb_data = addr,					\
+}
+
+RTL_DEBUG_IMPL_MAC_SERIES(0, 0x0000);
+RTL_DEBUG_IMPL_MAC_SERIES(1, 0x0100);
+RTL_DEBUG_IMPL_MAC_SERIES(2, 0x0200);
+RTL_DEBUG_IMPL_MAC_SERIES(3, 0x0300);
+RTL_DEBUG_IMPL_MAC_SERIES(4, 0x0400);
+RTL_DEBUG_IMPL_MAC_SERIES(5, 0x0500);
+RTL_DEBUG_IMPL_MAC_SERIES(6, 0x0600);
+RTL_DEBUG_IMPL_MAC_SERIES(7, 0x0700);
+RTL_DEBUG_IMPL_MAC_SERIES(10, 0x1000);
+RTL_DEBUG_IMPL_MAC_SERIES(11, 0x1100);
+RTL_DEBUG_IMPL_MAC_SERIES(12, 0x1200);
+RTL_DEBUG_IMPL_MAC_SERIES(13, 0x1300);
+RTL_DEBUG_IMPL_MAC_SERIES(14, 0x1400);
+RTL_DEBUG_IMPL_MAC_SERIES(15, 0x1500);
+RTL_DEBUG_IMPL_MAC_SERIES(16, 0x1600);
+RTL_DEBUG_IMPL_MAC_SERIES(17, 0x1700);
+
+static int rtl_debug_get_bb_page(struct seq_file *m, void *v)
+{
+	struct rtl_debugfs_priv *debugfs_priv = m->private;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	struct ieee80211_hw *hw = rtlpriv->hw;
+	u32 page = debugfs_priv->cb_data;
+	int i, n;
+	int max = 0xff;
+
+	for (n = 0; n <= max; ) {
+		seq_printf(m, "\n%8.8x  ", n + page);
+		for (i = 0; i < 4 && n <= max; i++, n += 4)
+			seq_printf(m, "%8.8x    ",
+				   rtl_get_bbreg(hw, (page | n), 0xffffffff));
+	}
+	seq_puts(m, "\n");
+	return 0;
+}
+
+#define RTL_DEBUG_IMPL_BB_SERIES(page, addr)			\
+static struct rtl_debugfs_priv rtl_debug_priv_bb_ ##page = {	\
+	.cb_read = rtl_debug_get_bb_page,			\
+	.cb_data = addr,					\
+}
+
+RTL_DEBUG_IMPL_BB_SERIES(8, 0x0800);
+RTL_DEBUG_IMPL_BB_SERIES(9, 0x0900);
+RTL_DEBUG_IMPL_BB_SERIES(a, 0x0a00);
+RTL_DEBUG_IMPL_BB_SERIES(b, 0x0b00);
+RTL_DEBUG_IMPL_BB_SERIES(c, 0x0c00);
+RTL_DEBUG_IMPL_BB_SERIES(d, 0x0d00);
+RTL_DEBUG_IMPL_BB_SERIES(e, 0x0e00);
+RTL_DEBUG_IMPL_BB_SERIES(f, 0x0f00);
+RTL_DEBUG_IMPL_BB_SERIES(18, 0x1800);
+RTL_DEBUG_IMPL_BB_SERIES(19, 0x1900);
+RTL_DEBUG_IMPL_BB_SERIES(1a, 0x1a00);
+RTL_DEBUG_IMPL_BB_SERIES(1b, 0x1b00);
+RTL_DEBUG_IMPL_BB_SERIES(1c, 0x1c00);
+RTL_DEBUG_IMPL_BB_SERIES(1d, 0x1d00);
+RTL_DEBUG_IMPL_BB_SERIES(1e, 0x1e00);
+RTL_DEBUG_IMPL_BB_SERIES(1f, 0x1f00);
+
+static int rtl_debug_get_reg_rf(struct seq_file *m, void *v)
+{
+	struct rtl_debugfs_priv *debugfs_priv = m->private;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	struct ieee80211_hw *hw = rtlpriv->hw;
+	enum radio_path rfpath = debugfs_priv->cb_data;
+	int i, n;
+	int max = 0x40;
+
+	if (IS_HARDWARE_TYPE_8822B(rtlpriv))
+		max = 0xff;
+
+	seq_printf(m, "\nPATH(%d)", rfpath);
+
+	for (n = 0; n <= max; ) {
+		seq_printf(m, "\n%8.8x  ", n);
+		for (i = 0; i < 4 && n <= max; n += 1, i++)
+			seq_printf(m, "%8.8x    ",
+				   rtl_get_rfreg(hw, rfpath, n, 0xffffffff));
+	}
+	seq_puts(m, "\n");
+	return 0;
+}
+
+#define RTL_DEBUG_IMPL_RF_SERIES(page, addr)			\
+static struct rtl_debugfs_priv rtl_debug_priv_rf_ ##page = {	\
+	.cb_read = rtl_debug_get_reg_rf,			\
+	.cb_data = addr,					\
+}
+
+RTL_DEBUG_IMPL_RF_SERIES(a, RF90_PATH_A);
+RTL_DEBUG_IMPL_RF_SERIES(b, RF90_PATH_B);
+
+static int rtl_debug_get_cam_register(struct seq_file *m, void *v)
+{
+	struct rtl_debugfs_priv *debugfs_priv = m->private;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	int start = debugfs_priv->cb_data;
+	u32 target_cmd = 0;
+	u32 target_val = 0;
+	u8 entry_i = 0;
+	u32 ulstatus;
+	int i = 100, j = 0;
+	int end = (start + 11 > TOTAL_CAM_ENTRY ? TOTAL_CAM_ENTRY : start + 11);
+
+	/* This dump the current register page */
+	seq_printf(m,
+		   "\n#################### SECURITY CAM (%d-%d) ##################\n",
+		   start, end - 1);
+
+	for (j = start; j < end; j++) {
+		seq_printf(m, "\nD:  %2x > ", j);
+		for (entry_i = 0; entry_i < CAM_CONTENT_COUNT; entry_i++) {
+			/* polling bit, and No Write enable, and address  */
+			target_cmd = entry_i + CAM_CONTENT_COUNT * j;
+			target_cmd = target_cmd | BIT(31);
+
+			/* Check polling bit is clear */
+			while ((i--) >= 0) {
+				ulstatus =
+				    rtl_read_dword(rtlpriv,
+						   rtlpriv->cfg->maps[RWCAM]);
+				if (ulstatus & BIT(31))
+					continue;
+				else
+					break;
+			}
+
+			rtl_write_dword(rtlpriv, rtlpriv->cfg->maps[RWCAM],
+					target_cmd);
+			target_val = rtl_read_dword(rtlpriv,
+						    rtlpriv->cfg->maps[RCAMO]);
+			seq_printf(m, "%8.8x ", target_val);
+		}
+	}
+	seq_puts(m, "\n");
+	return 0;
+}
+
+#define RTL_DEBUG_IMPL_CAM_SERIES(page, addr)			\
+static struct rtl_debugfs_priv rtl_debug_priv_cam_ ##page = {	\
+	.cb_read = rtl_debug_get_cam_register,			\
+	.cb_data = addr,					\
+}
+
+RTL_DEBUG_IMPL_CAM_SERIES(1, 0);
+RTL_DEBUG_IMPL_CAM_SERIES(2, 11);
+RTL_DEBUG_IMPL_CAM_SERIES(3, 22);
+
+static int rtl_debug_get_btcoex(struct seq_file *m, void *v)
+{
+	struct rtl_debugfs_priv *debugfs_priv = m->private;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+
+	if (rtlpriv->cfg->ops->get_btc_status())
+		rtlpriv->btcoexist.btc_ops->btc_display_bt_coex_info(rtlpriv,
+								     m);
+
+	seq_puts(m, "\n");
+
+	return 0;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_btcoex = {
+	.cb_read = rtl_debug_get_btcoex,
+	.cb_data = 0,
+};
+
+static ssize_t rtl_debugfs_set_write_reg(struct file *filp,
+					 const char __user *buffer,
+					 size_t count, loff_t *loff)
+{
+	struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	char tmp[32 + 1];
+	int tmp_len;
+	u32 addr, val, len;
+	int num;
+
+	if (count < 3)
+		return -EFAULT;
+
+	tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
+
+	if (!buffer || copy_from_user(tmp, buffer, tmp_len))
+		return count;
+
+	tmp[tmp_len] = '\0';
+
+	/* write BB/MAC register */
+	num = sscanf(tmp, "%x %x %x", &addr, &val, &len);
+
+	if (num !=  3)
+		return count;
+
+	switch (len) {
+	case 1:
+		rtl_write_byte(rtlpriv, addr, (u8)val);
+		break;
+	case 2:
+		rtl_write_word(rtlpriv, addr, (u16)val);
+		break;
+	case 4:
+		rtl_write_dword(rtlpriv, addr, val);
+		break;
+	default:
+		/*printk("error write length=%d", len);*/
+		break;
+	}
+
+	return count;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_write_reg = {
+	.cb_write = rtl_debugfs_set_write_reg,
+};
+
+static ssize_t rtl_debugfs_set_write_h2c(struct file *filp,
+					 const char __user *buffer,
+					 size_t count, loff_t *loff)
+{
+	struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	struct ieee80211_hw *hw = rtlpriv->hw;
+	char tmp[32 + 1];
+	int tmp_len;
+	u8 h2c_len, h2c_data_packed[8];
+	int h2c_data[8];	/* idx 0: cmd */
+	int i;
+
+	if (count < 3)
+		return -EFAULT;
+
+	tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
+
+	if (copy_from_user(tmp, buffer, tmp_len))
+		return -EFAULT;
+
+	tmp[tmp_len] = '\0';
+
+	h2c_len = sscanf(tmp, "%X %X %X %X %X %X %X %X",
+			 &h2c_data[0], &h2c_data[1],
+			 &h2c_data[2], &h2c_data[3],
+			 &h2c_data[4], &h2c_data[5],
+			 &h2c_data[6], &h2c_data[7]);
+
+	if (h2c_len == 0)
+		return -EINVAL;
+
+	for (i = 0; i < h2c_len; i++)
+		h2c_data_packed[i] = (u8)h2c_data[i];
+
+	rtlpriv->cfg->ops->fill_h2c_cmd(hw, h2c_data_packed[0],
+					h2c_len - 1,
+					&h2c_data_packed[1]);
+
+	return count;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_write_h2c = {
+	.cb_write = rtl_debugfs_set_write_h2c,
+};
+
+static ssize_t rtl_debugfs_set_write_rfreg(struct file *filp,
+					   const char __user *buffer,
+					    size_t count, loff_t *loff)
+{
+	struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+	struct rtl_priv *rtlpriv = debugfs_priv->rtlpriv;
+	struct ieee80211_hw *hw = rtlpriv->hw;
+	char tmp[32 + 1];
+	int tmp_len;
+	int num;
+	int path;
+	u32 addr, bitmask, data;
+
+	if (count < 3)
+		return -EFAULT;
+
+	tmp_len = (count > sizeof(tmp) - 1 ? sizeof(tmp) - 1 : count);
+
+	if (!buffer || copy_from_user(tmp, buffer, tmp_len))
+		return count;
+
+	tmp[tmp_len] = '\0';
+
+	num = sscanf(tmp, "%X %X %X %X",
+		     &path, &addr, &bitmask, &data);
+
+	if (num != 4) {
+		rtl_dbg(rtlpriv, COMP_ERR, DBG_DMESG,
+			"Format is <path> <addr> <mask> <data>\n");
+		return count;
+	}
+
+	rtl_set_rfreg(hw, path, addr, bitmask, data);
+
+	return count;
+}
+
+static struct rtl_debugfs_priv rtl_debug_priv_write_rfreg = {
+	.cb_write = rtl_debugfs_set_write_rfreg,
+};
+
+static int rtl_debugfs_close(struct inode *inode, struct file *filp)
+{
+	return 0;
+}
+
+static ssize_t rtl_debugfs_common_write(struct file *filp,
+					const char __user *buffer,
+					size_t count, loff_t *loff)
+{
+	struct rtl_debugfs_priv *debugfs_priv = filp->private_data;
+
+	return debugfs_priv->cb_write(filp, buffer, count, loff);
+}
+
+static const struct file_operations file_ops_common_write = {
+	.owner = THIS_MODULE,
+	.write = rtl_debugfs_common_write,
+	.open = simple_open,
+	.release = rtl_debugfs_close,
+};
+
+#define RTL_DEBUGFS_ADD_CORE(name, mode, fopname)			   \
+	do {								   \
+		rtl_debug_priv_ ##name.rtlpriv = rtlpriv;		   \
+		debugfs_create_file(#name, mode, parent,		   \
+				    &rtl_debug_priv_ ##name,		   \
+				    &file_ops_ ##fopname);		   \
+	} while (0)
+
+#define RTL_DEBUGFS_ADD(name)						   \
+		RTL_DEBUGFS_ADD_CORE(name, S_IFREG | 0444, common)
+#define RTL_DEBUGFS_ADD_W(name)						   \
+		RTL_DEBUGFS_ADD_CORE(name, S_IFREG | 0222, common_write)
+
+void rtl_debug_add_one(struct ieee80211_hw *hw)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+	struct rtl_efuse *rtlefuse = rtl_efuse(rtl_priv(hw));
+	struct dentry *parent;
+
+	snprintf(rtlpriv->dbg.debugfs_name, 18, "%pMF", rtlefuse->dev_addr);
+
+	rtlpriv->dbg.debugfs_dir =
+		debugfs_create_dir(rtlpriv->dbg.debugfs_name, debugfs_topdir);
+
+	parent = rtlpriv->dbg.debugfs_dir;
+
+	RTL_DEBUGFS_ADD(mac_0);
+	RTL_DEBUGFS_ADD(mac_1);
+	RTL_DEBUGFS_ADD(mac_2);
+	RTL_DEBUGFS_ADD(mac_3);
+	RTL_DEBUGFS_ADD(mac_4);
+	RTL_DEBUGFS_ADD(mac_5);
+	RTL_DEBUGFS_ADD(mac_6);
+	RTL_DEBUGFS_ADD(mac_7);
+	RTL_DEBUGFS_ADD(bb_8);
+	RTL_DEBUGFS_ADD(bb_9);
+	RTL_DEBUGFS_ADD(bb_a);
+	RTL_DEBUGFS_ADD(bb_b);
+	RTL_DEBUGFS_ADD(bb_c);
+	RTL_DEBUGFS_ADD(bb_d);
+	RTL_DEBUGFS_ADD(bb_e);
+	RTL_DEBUGFS_ADD(bb_f);
+	RTL_DEBUGFS_ADD(mac_10);
+	RTL_DEBUGFS_ADD(mac_11);
+	RTL_DEBUGFS_ADD(mac_12);
+	RTL_DEBUGFS_ADD(mac_13);
+	RTL_DEBUGFS_ADD(mac_14);
+	RTL_DEBUGFS_ADD(mac_15);
+	RTL_DEBUGFS_ADD(mac_16);
+	RTL_DEBUGFS_ADD(mac_17);
+	RTL_DEBUGFS_ADD(bb_18);
+	RTL_DEBUGFS_ADD(bb_19);
+	RTL_DEBUGFS_ADD(bb_1a);
+	RTL_DEBUGFS_ADD(bb_1b);
+	RTL_DEBUGFS_ADD(bb_1c);
+	RTL_DEBUGFS_ADD(bb_1d);
+	RTL_DEBUGFS_ADD(bb_1e);
+	RTL_DEBUGFS_ADD(bb_1f);
+	RTL_DEBUGFS_ADD(rf_a);
+	RTL_DEBUGFS_ADD(rf_b);
+
+	RTL_DEBUGFS_ADD(cam_1);
+	RTL_DEBUGFS_ADD(cam_2);
+	RTL_DEBUGFS_ADD(cam_3);
+
+	RTL_DEBUGFS_ADD(btcoex);
+
+	RTL_DEBUGFS_ADD_W(write_reg);
+	RTL_DEBUGFS_ADD_W(write_h2c);
+	RTL_DEBUGFS_ADD_W(write_rfreg);
+}
+EXPORT_SYMBOL_GPL(rtl_debug_add_one);
+
+void rtl_debug_remove_one(struct ieee80211_hw *hw)
+{
+	struct rtl_priv *rtlpriv = rtl_priv(hw);
+
+	debugfs_remove_recursive(rtlpriv->dbg.debugfs_dir);
+	rtlpriv->dbg.debugfs_dir = NULL;
+}
+EXPORT_SYMBOL_GPL(rtl_debug_remove_one);
+
+void rtl_debugfs_add_topdir(void)
+{
+	debugfs_topdir = debugfs_create_dir("rtlwifi", NULL);
+}
+
+void rtl_debugfs_remove_topdir(void)
+{
+	debugfs_remove_recursive(debugfs_topdir);
+}
+
+#endif