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, 534 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/carl9170/mac.c b/drivers/net/wireless/ath/carl9170/mac.c
new file mode 100644
index 000000000..6cdbee5be
--- /dev/null
+++ b/drivers/net/wireless/ath/carl9170/mac.c
@@ -0,0 +1,534 @@
+/*
+ * Atheros CARL9170 driver
+ *
+ * MAC programming
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ *    Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ *    Permission to use, copy, modify, and/or distribute this software for any
+ *    purpose with or without fee is hereby granted, provided that the above
+ *    copyright notice and this permission notice appear in all copies.
+ *
+ *    THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ *    WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ *    MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ *    ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ *    WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ *    ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ *    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <asm/unaligned.h>
+
+#include "carl9170.h"
+#include "cmd.h"
+
+int carl9170_set_dyn_sifs_ack(struct ar9170 *ar)
+{
+	u32 val;
+
+	if (conf_is_ht40(&ar->hw->conf))
+		val = 0x010a;
+	else {
+		if (ar->hw->conf.chandef.chan->band == NL80211_BAND_2GHZ)
+			val = 0x105;
+		else
+			val = 0x104;
+	}
+
+	return carl9170_write_reg(ar, AR9170_MAC_REG_DYNAMIC_SIFS_ACK, val);
+}
+
+int carl9170_set_rts_cts_rate(struct ar9170 *ar)
+{
+	u32 rts_rate, cts_rate;
+
+	if (conf_is_ht(&ar->hw->conf)) {
+		/* 12 mbit OFDM */
+		rts_rate = 0x1da;
+		cts_rate = 0x10a;
+	} else {
+		if (ar->hw->conf.chandef.chan->band == NL80211_BAND_2GHZ) {
+			/* 11 mbit CCK */
+			rts_rate = 033;
+			cts_rate = 003;
+		} else {
+			/* 6 mbit OFDM */
+			rts_rate = 0x1bb;
+			cts_rate = 0x10b;
+		}
+	}
+
+	return carl9170_write_reg(ar, AR9170_MAC_REG_RTS_CTS_RATE,
+				  rts_rate | (cts_rate) << 16);
+}
+
+int carl9170_set_slot_time(struct ar9170 *ar)
+{
+	struct ieee80211_vif *vif;
+	u32 slottime = 20;
+
+	rcu_read_lock();
+	vif = carl9170_get_main_vif(ar);
+	if (!vif) {
+		rcu_read_unlock();
+		return 0;
+	}
+
+	if ((ar->hw->conf.chandef.chan->band == NL80211_BAND_5GHZ) ||
+	    vif->bss_conf.use_short_slot)
+		slottime = 9;
+
+	rcu_read_unlock();
+
+	return carl9170_write_reg(ar, AR9170_MAC_REG_SLOT_TIME,
+				  slottime << 10);
+}
+
+int carl9170_set_mac_rates(struct ar9170 *ar)
+{
+	struct ieee80211_vif *vif;
+	u32 basic, mandatory;
+
+	rcu_read_lock();
+	vif = carl9170_get_main_vif(ar);
+
+	if (!vif) {
+		rcu_read_unlock();
+		return 0;
+	}
+
+	basic = (vif->bss_conf.basic_rates & 0xf);
+	basic |= (vif->bss_conf.basic_rates & 0xff0) << 4;
+	rcu_read_unlock();
+
+	if (ar->hw->conf.chandef.chan->band == NL80211_BAND_5GHZ)
+		mandatory = 0xff00; /* OFDM 6/9/12/18/24/36/48/54 */
+	else
+		mandatory = 0xff0f; /* OFDM (6/9../54) + CCK (1/2/5.5/11) */
+
+	carl9170_regwrite_begin(ar);
+	carl9170_regwrite(AR9170_MAC_REG_BASIC_RATE, basic);
+	carl9170_regwrite(AR9170_MAC_REG_MANDATORY_RATE, mandatory);
+	carl9170_regwrite_finish();
+
+	return carl9170_regwrite_result();
+}
+
+int carl9170_set_qos(struct ar9170 *ar)
+{
+	carl9170_regwrite_begin(ar);
+
+	carl9170_regwrite(AR9170_MAC_REG_AC0_CW, ar->edcf[0].cw_min |
+			  (ar->edcf[0].cw_max << 16));
+	carl9170_regwrite(AR9170_MAC_REG_AC1_CW, ar->edcf[1].cw_min |
+			  (ar->edcf[1].cw_max << 16));
+	carl9170_regwrite(AR9170_MAC_REG_AC2_CW, ar->edcf[2].cw_min |
+			  (ar->edcf[2].cw_max << 16));
+	carl9170_regwrite(AR9170_MAC_REG_AC3_CW, ar->edcf[3].cw_min |
+			  (ar->edcf[3].cw_max << 16));
+	carl9170_regwrite(AR9170_MAC_REG_AC4_CW, ar->edcf[4].cw_min |
+			  (ar->edcf[4].cw_max << 16));
+
+	carl9170_regwrite(AR9170_MAC_REG_AC2_AC1_AC0_AIFS,
+			  ((ar->edcf[0].aifs * 9 + 10)) |
+			  ((ar->edcf[1].aifs * 9 + 10) << 12) |
+			  ((ar->edcf[2].aifs * 9 + 10) << 24));
+	carl9170_regwrite(AR9170_MAC_REG_AC4_AC3_AC2_AIFS,
+			  ((ar->edcf[2].aifs * 9 + 10) >> 8) |
+			  ((ar->edcf[3].aifs * 9 + 10) << 4) |
+			  ((ar->edcf[4].aifs * 9 + 10) << 16));
+
+	carl9170_regwrite(AR9170_MAC_REG_AC1_AC0_TXOP,
+			  ar->edcf[0].txop | ar->edcf[1].txop << 16);
+	carl9170_regwrite(AR9170_MAC_REG_AC3_AC2_TXOP,
+			  ar->edcf[2].txop | ar->edcf[3].txop << 16 |
+			  ar->edcf[4].txop << 24);
+
+	carl9170_regwrite_finish();
+
+	return carl9170_regwrite_result();
+}
+
+int carl9170_init_mac(struct ar9170 *ar)
+{
+	carl9170_regwrite_begin(ar);
+
+	/* switch MAC to OTUS interface */
+	carl9170_regwrite(0x1c3600, 0x3);
+
+	carl9170_regwrite(AR9170_MAC_REG_ACK_EXTENSION, 0x40);
+
+	carl9170_regwrite(AR9170_MAC_REG_RETRY_MAX, 0x0);
+
+	carl9170_regwrite(AR9170_MAC_REG_FRAMETYPE_FILTER,
+			  AR9170_MAC_FTF_MONITOR);
+
+	/* enable MMIC */
+	carl9170_regwrite(AR9170_MAC_REG_SNIFFER,
+			AR9170_MAC_SNIFFER_DEFAULTS);
+
+	carl9170_regwrite(AR9170_MAC_REG_RX_THRESHOLD, 0xc1f80);
+
+	carl9170_regwrite(AR9170_MAC_REG_RX_PE_DELAY, 0x70);
+	carl9170_regwrite(AR9170_MAC_REG_EIFS_AND_SIFS, 0xa144000);
+	carl9170_regwrite(AR9170_MAC_REG_SLOT_TIME, 9 << 10);
+
+	/* CF-END & CF-ACK rate => 24M OFDM */
+	carl9170_regwrite(AR9170_MAC_REG_TID_CFACK_CFEND_RATE, 0x59900000);
+
+	/* NAV protects ACK only (in TXOP) */
+	carl9170_regwrite(AR9170_MAC_REG_TXOP_DURATION, 0x201);
+
+	/* Set Beacon PHY CTRL's TPC to 0x7, TA1=1 */
+	/* OTUS set AM to 0x1 */
+	carl9170_regwrite(AR9170_MAC_REG_BCN_HT1, 0x8000170);
+
+	carl9170_regwrite(AR9170_MAC_REG_BACKOFF_PROTECT, 0x105);
+
+	/* Aggregation MAX number and timeout */
+	carl9170_regwrite(AR9170_MAC_REG_AMPDU_FACTOR, 0x8000a);
+	carl9170_regwrite(AR9170_MAC_REG_AMPDU_DENSITY, 0x140a07);
+
+	carl9170_regwrite(AR9170_MAC_REG_FRAMETYPE_FILTER,
+			  AR9170_MAC_FTF_DEFAULTS);
+
+	carl9170_regwrite(AR9170_MAC_REG_RX_CONTROL,
+			  AR9170_MAC_RX_CTRL_DEAGG |
+			  AR9170_MAC_RX_CTRL_SHORT_FILTER);
+
+	/* rate sets */
+	carl9170_regwrite(AR9170_MAC_REG_BASIC_RATE, 0x150f);
+	carl9170_regwrite(AR9170_MAC_REG_MANDATORY_RATE, 0x150f);
+	carl9170_regwrite(AR9170_MAC_REG_RTS_CTS_RATE, 0x0030033);
+
+	/* MIMO response control */
+	carl9170_regwrite(AR9170_MAC_REG_ACK_TPC, 0x4003c1e);
+
+	carl9170_regwrite(AR9170_MAC_REG_AMPDU_RX_THRESH, 0xffff);
+
+	/* set PHY register read timeout (??) */
+	carl9170_regwrite(AR9170_MAC_REG_MISC_680, 0xf00008);
+
+	/* Disable Rx TimeOut, workaround for BB. */
+	carl9170_regwrite(AR9170_MAC_REG_RX_TIMEOUT, 0x0);
+
+	/* Set WLAN DMA interrupt mode: generate int per packet */
+	carl9170_regwrite(AR9170_MAC_REG_TXRX_MPI, 0x110011);
+
+	carl9170_regwrite(AR9170_MAC_REG_FCS_SELECT,
+			AR9170_MAC_FCS_FIFO_PROT);
+
+	/* Disables the CF_END frame, undocumented register */
+	carl9170_regwrite(AR9170_MAC_REG_TXOP_NOT_ENOUGH_IND,
+			0x141e0f48);
+
+	/* reset group hash table */
+	carl9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_L, 0xffffffff);
+	carl9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_H, 0xffffffff);
+
+	/* disable PRETBTT interrupt */
+	carl9170_regwrite(AR9170_MAC_REG_PRETBTT, 0x0);
+	carl9170_regwrite(AR9170_MAC_REG_BCN_PERIOD, 0x0);
+
+	carl9170_regwrite_finish();
+
+	return carl9170_regwrite_result();
+}
+
+static int carl9170_set_mac_reg(struct ar9170 *ar,
+				const u32 reg, const u8 *mac)
+{
+	static const u8 zero[ETH_ALEN] = { 0 };
+
+	if (!mac)
+		mac = zero;
+
+	carl9170_regwrite_begin(ar);
+
+	carl9170_regwrite(reg, get_unaligned_le32(mac));
+	carl9170_regwrite(reg + 4, get_unaligned_le16(mac + 4));
+
+	carl9170_regwrite_finish();
+
+	return carl9170_regwrite_result();
+}
+
+int carl9170_mod_virtual_mac(struct ar9170 *ar, const unsigned int id,
+			     const u8 *mac)
+{
+	if (WARN_ON(id >= ar->fw.vif_num))
+		return -EINVAL;
+
+	return carl9170_set_mac_reg(ar,
+		AR9170_MAC_REG_ACK_TABLE + (id - 1) * 8, mac);
+}
+
+int carl9170_update_multicast(struct ar9170 *ar, const u64 mc_hash)
+{
+	int err;
+
+	carl9170_regwrite_begin(ar);
+	carl9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_H, mc_hash >> 32);
+	carl9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_L, mc_hash);
+	carl9170_regwrite_finish();
+	err = carl9170_regwrite_result();
+	if (err)
+		return err;
+
+	ar->cur_mc_hash = mc_hash;
+	return 0;
+}
+
+int carl9170_set_operating_mode(struct ar9170 *ar)
+{
+	struct ieee80211_vif *vif;
+	struct ath_common *common = &ar->common;
+	u8 *mac_addr, *bssid;
+	u32 cam_mode = AR9170_MAC_CAM_DEFAULTS;
+	u32 enc_mode = AR9170_MAC_ENCRYPTION_DEFAULTS |
+		AR9170_MAC_ENCRYPTION_MGMT_RX_SOFTWARE;
+	u32 rx_ctrl = AR9170_MAC_RX_CTRL_DEAGG |
+		      AR9170_MAC_RX_CTRL_SHORT_FILTER;
+	u32 sniffer = AR9170_MAC_SNIFFER_DEFAULTS;
+	int err = 0;
+
+	rcu_read_lock();
+	vif = carl9170_get_main_vif(ar);
+
+	if (vif) {
+		mac_addr = common->macaddr;
+		bssid = common->curbssid;
+
+		switch (vif->type) {
+		case NL80211_IFTYPE_ADHOC:
+			cam_mode |= AR9170_MAC_CAM_IBSS;
+			break;
+		case NL80211_IFTYPE_MESH_POINT:
+		case NL80211_IFTYPE_AP:
+			cam_mode |= AR9170_MAC_CAM_AP;
+
+			/* iwlagn 802.11n STA Workaround */
+			rx_ctrl |= AR9170_MAC_RX_CTRL_PASS_TO_HOST;
+			break;
+		case NL80211_IFTYPE_STATION:
+			cam_mode |= AR9170_MAC_CAM_STA;
+			rx_ctrl |= AR9170_MAC_RX_CTRL_PASS_TO_HOST;
+			break;
+		default:
+			WARN(1, "Unsupported operation mode %x\n", vif->type);
+			err = -EOPNOTSUPP;
+			break;
+		}
+	} else {
+		/*
+		 * Enable monitor mode
+		 *
+		 * rx_ctrl |= AR9170_MAC_RX_CTRL_ACK_IN_SNIFFER;
+		 * sniffer |= AR9170_MAC_SNIFFER_ENABLE_PROMISC;
+		 *
+		 * When the hardware is in SNIFFER_PROMISC mode,
+		 * it generates spurious ACKs for every incoming
+		 * frame. This confuses every peer in the
+		 * vicinity and the network throughput will suffer
+		 * badly.
+		 *
+		 * Hence, the hardware will be put into station
+		 * mode and just the rx filters are disabled.
+		 */
+		cam_mode |= AR9170_MAC_CAM_STA;
+		rx_ctrl |= AR9170_MAC_RX_CTRL_PASS_TO_HOST;
+		mac_addr = common->macaddr;
+		bssid = NULL;
+	}
+	rcu_read_unlock();
+
+	if (err)
+		return err;
+
+	if (ar->rx_software_decryption)
+		enc_mode |= AR9170_MAC_ENCRYPTION_RX_SOFTWARE;
+
+	if (ar->sniffer_enabled) {
+		enc_mode |= AR9170_MAC_ENCRYPTION_RX_SOFTWARE;
+	}
+
+	err = carl9170_set_mac_reg(ar, AR9170_MAC_REG_MAC_ADDR_L, mac_addr);
+	if (err)
+		return err;
+
+	err = carl9170_set_mac_reg(ar, AR9170_MAC_REG_BSSID_L, bssid);
+	if (err)
+		return err;
+
+	carl9170_regwrite_begin(ar);
+	carl9170_regwrite(AR9170_MAC_REG_SNIFFER, sniffer);
+	carl9170_regwrite(AR9170_MAC_REG_CAM_MODE, cam_mode);
+	carl9170_regwrite(AR9170_MAC_REG_ENCRYPTION, enc_mode);
+	carl9170_regwrite(AR9170_MAC_REG_RX_CONTROL, rx_ctrl);
+	carl9170_regwrite_finish();
+
+	return carl9170_regwrite_result();
+}
+
+int carl9170_set_hwretry_limit(struct ar9170 *ar, const unsigned int max_retry)
+{
+	u32 tmp = min_t(u32, 0x33333, max_retry * 0x11111);
+
+	return carl9170_write_reg(ar, AR9170_MAC_REG_RETRY_MAX, tmp);
+}
+
+int carl9170_set_beacon_timers(struct ar9170 *ar)
+{
+	struct ieee80211_vif *vif;
+	u32 v = 0;
+	u32 pretbtt = 0;
+
+	rcu_read_lock();
+	vif = carl9170_get_main_vif(ar);
+
+	if (vif) {
+		struct carl9170_vif_info *mvif;
+		mvif = (void *) vif->drv_priv;
+
+		if (mvif->enable_beacon && !WARN_ON(!ar->beacon_enabled)) {
+			ar->global_beacon_int = vif->bss_conf.beacon_int /
+						ar->beacon_enabled;
+
+			SET_VAL(AR9170_MAC_BCN_DTIM, v,
+				vif->bss_conf.dtim_period);
+
+			switch (vif->type) {
+			case NL80211_IFTYPE_MESH_POINT:
+			case NL80211_IFTYPE_ADHOC:
+				v |= AR9170_MAC_BCN_IBSS_MODE;
+				break;
+			case NL80211_IFTYPE_AP:
+				v |= AR9170_MAC_BCN_AP_MODE;
+				break;
+			default:
+				WARN_ON_ONCE(1);
+				break;
+			}
+		} else if (vif->type == NL80211_IFTYPE_STATION) {
+			ar->global_beacon_int = vif->bss_conf.beacon_int;
+
+			SET_VAL(AR9170_MAC_BCN_DTIM, v,
+				ar->hw->conf.ps_dtim_period);
+
+			v |= AR9170_MAC_BCN_STA_PS |
+			     AR9170_MAC_BCN_PWR_MGT;
+		}
+
+		if (ar->global_beacon_int) {
+			if (ar->global_beacon_int < 15) {
+				rcu_read_unlock();
+				return -ERANGE;
+			}
+
+			ar->global_pretbtt = ar->global_beacon_int -
+					CARL9170_PRETBTT_KUS;
+		} else {
+			ar->global_pretbtt = 0;
+		}
+	} else {
+		ar->global_beacon_int = 0;
+		ar->global_pretbtt = 0;
+	}
+
+	rcu_read_unlock();
+
+	SET_VAL(AR9170_MAC_BCN_PERIOD, v, ar->global_beacon_int);
+	SET_VAL(AR9170_MAC_PRETBTT, pretbtt, ar->global_pretbtt);
+	SET_VAL(AR9170_MAC_PRETBTT2, pretbtt, ar->global_pretbtt);
+
+	carl9170_regwrite_begin(ar);
+	carl9170_regwrite(AR9170_MAC_REG_PRETBTT, pretbtt);
+	carl9170_regwrite(AR9170_MAC_REG_BCN_PERIOD, v);
+	carl9170_regwrite_finish();
+	return carl9170_regwrite_result();
+}
+
+int carl9170_upload_key(struct ar9170 *ar, const u8 id, const u8 *mac,
+			const u8 ktype, const u8 keyidx, const u8 *keydata,
+			const int keylen)
+{
+	struct carl9170_set_key_cmd key = { };
+	static const u8 bcast[ETH_ALEN] = {
+		0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+
+	mac = mac ? : bcast;
+
+	key.user = cpu_to_le16(id);
+	key.keyId = cpu_to_le16(keyidx);
+	key.type = cpu_to_le16(ktype);
+	memcpy(&key.macAddr, mac, ETH_ALEN);
+	if (keydata)
+		memcpy(&key.key, keydata, keylen);
+
+	return carl9170_exec_cmd(ar, CARL9170_CMD_EKEY,
+		sizeof(key), (u8 *)&key, 0, NULL);
+}
+
+int carl9170_disable_key(struct ar9170 *ar, const u8 id)
+{
+	struct carl9170_disable_key_cmd key = { };
+
+	key.user = cpu_to_le16(id);
+
+	return carl9170_exec_cmd(ar, CARL9170_CMD_DKEY,
+		sizeof(key), (u8 *)&key, 0, NULL);
+}
+
+int carl9170_set_mac_tpc(struct ar9170 *ar, struct ieee80211_channel *channel)
+{
+	unsigned int power, chains;
+
+	if (ar->eeprom.tx_mask != 1)
+		chains = AR9170_TX_PHY_TXCHAIN_2;
+	else
+		chains = AR9170_TX_PHY_TXCHAIN_1;
+
+	switch (channel->band) {
+	case NL80211_BAND_2GHZ:
+		power = ar->power_2G_ofdm[0] & 0x3f;
+		break;
+	case NL80211_BAND_5GHZ:
+		power = ar->power_5G_leg[0] & 0x3f;
+		break;
+	default:
+		BUG();
+	}
+
+	power = min_t(unsigned int, power, ar->hw->conf.power_level * 2);
+
+	carl9170_regwrite_begin(ar);
+	carl9170_regwrite(AR9170_MAC_REG_ACK_TPC,
+			  0x3c1e | power << 20 | chains << 26);
+	carl9170_regwrite(AR9170_MAC_REG_RTS_CTS_TPC,
+			  power << 5 | chains << 11 |
+			  power << 21 | chains << 27);
+	carl9170_regwrite(AR9170_MAC_REG_CFEND_QOSNULL_TPC,
+			  power << 5 | chains << 11 |
+			  power << 21 | chains << 27);
+	carl9170_regwrite_finish();
+	return carl9170_regwrite_result();
+}