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, 376 insertions, 0 deletions

diff --git a/drivers/crypto/amlogic/amlogic-gxl-cipher.c b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
new file mode 100644
index 000000000..af017a087
--- /dev/null
+++ b/drivers/crypto/amlogic/amlogic-gxl-cipher.c
@@ -0,0 +1,376 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * amlogic-cipher.c - hardware cryptographic offloader for Amlogic GXL SoC
+ *
+ * Copyright (C) 2018-2019 Corentin LABBE <clabbe@baylibre.com>
+ *
+ * This file add support for AES cipher with 128,192,256 bits keysize in
+ * CBC and ECB mode.
+ */
+
+#include <linux/crypto.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <crypto/scatterwalk.h>
+#include <linux/scatterlist.h>
+#include <linux/dma-mapping.h>
+#include <crypto/internal/skcipher.h>
+#include "amlogic-gxl.h"
+
+static int get_engine_number(struct meson_dev *mc)
+{
+	return atomic_inc_return(&mc->flow) % MAXFLOW;
+}
+
+static bool meson_cipher_need_fallback(struct skcipher_request *areq)
+{
+	struct scatterlist *src_sg = areq->src;
+	struct scatterlist *dst_sg = areq->dst;
+
+	if (areq->cryptlen == 0)
+		return true;
+
+	if (sg_nents(src_sg) != sg_nents(dst_sg))
+		return true;
+
+	/* KEY/IV descriptors use 3 desc */
+	if (sg_nents(src_sg) > MAXDESC - 3 || sg_nents(dst_sg) > MAXDESC - 3)
+		return true;
+
+	while (src_sg && dst_sg) {
+		if ((src_sg->length % 16) != 0)
+			return true;
+		if ((dst_sg->length % 16) != 0)
+			return true;
+		if (src_sg->length != dst_sg->length)
+			return true;
+		if (!IS_ALIGNED(src_sg->offset, sizeof(u32)))
+			return true;
+		if (!IS_ALIGNED(dst_sg->offset, sizeof(u32)))
+			return true;
+		src_sg = sg_next(src_sg);
+		dst_sg = sg_next(dst_sg);
+	}
+
+	return false;
+}
+
+static int meson_cipher_do_fallback(struct skcipher_request *areq)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+	struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+	struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
+	int err;
+#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG
+	struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
+	struct meson_alg_template *algt;
+
+	algt = container_of(alg, struct meson_alg_template, alg.skcipher);
+	algt->stat_fb++;
+#endif
+	skcipher_request_set_tfm(&rctx->fallback_req, op->fallback_tfm);
+	skcipher_request_set_callback(&rctx->fallback_req, areq->base.flags,
+				      areq->base.complete, areq->base.data);
+	skcipher_request_set_crypt(&rctx->fallback_req, areq->src, areq->dst,
+				   areq->cryptlen, areq->iv);
+
+	if (rctx->op_dir == MESON_DECRYPT)
+		err = crypto_skcipher_decrypt(&rctx->fallback_req);
+	else
+		err = crypto_skcipher_encrypt(&rctx->fallback_req);
+	return err;
+}
+
+static int meson_cipher(struct skcipher_request *areq)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+	struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+	struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
+	struct meson_dev *mc = op->mc;
+	struct skcipher_alg *alg = crypto_skcipher_alg(tfm);
+	struct meson_alg_template *algt;
+	int flow = rctx->flow;
+	unsigned int todo, eat, len;
+	struct scatterlist *src_sg = areq->src;
+	struct scatterlist *dst_sg = areq->dst;
+	struct meson_desc *desc;
+	int nr_sgs, nr_sgd;
+	int i, err = 0;
+	unsigned int keyivlen, ivsize, offset, tloffset;
+	dma_addr_t phykeyiv;
+	void *backup_iv = NULL, *bkeyiv;
+	u32 v;
+
+	algt = container_of(alg, struct meson_alg_template, alg.skcipher);
+
+	dev_dbg(mc->dev, "%s %s %u %x IV(%u) key=%u flow=%d\n", __func__,
+		crypto_tfm_alg_name(areq->base.tfm),
+		areq->cryptlen,
+		rctx->op_dir, crypto_skcipher_ivsize(tfm),
+		op->keylen, flow);
+
+#ifdef CONFIG_CRYPTO_DEV_AMLOGIC_GXL_DEBUG
+	algt->stat_req++;
+	mc->chanlist[flow].stat_req++;
+#endif
+
+	/*
+	 * The hardware expect a list of meson_desc structures.
+	 * The 2 first structures store key
+	 * The third stores IV
+	 */
+	bkeyiv = kzalloc(48, GFP_KERNEL | GFP_DMA);
+	if (!bkeyiv)
+		return -ENOMEM;
+
+	memcpy(bkeyiv, op->key, op->keylen);
+	keyivlen = op->keylen;
+
+	ivsize = crypto_skcipher_ivsize(tfm);
+	if (areq->iv && ivsize > 0) {
+		if (ivsize > areq->cryptlen) {
+			dev_err(mc->dev, "invalid ivsize=%d vs len=%d\n", ivsize, areq->cryptlen);
+			err = -EINVAL;
+			goto theend;
+		}
+		memcpy(bkeyiv + 32, areq->iv, ivsize);
+		keyivlen = 48;
+		if (rctx->op_dir == MESON_DECRYPT) {
+			backup_iv = kzalloc(ivsize, GFP_KERNEL);
+			if (!backup_iv) {
+				err = -ENOMEM;
+				goto theend;
+			}
+			offset = areq->cryptlen - ivsize;
+			scatterwalk_map_and_copy(backup_iv, areq->src, offset,
+						 ivsize, 0);
+		}
+	}
+	if (keyivlen == 24)
+		keyivlen = 32;
+
+	phykeyiv = dma_map_single(mc->dev, bkeyiv, keyivlen,
+				  DMA_TO_DEVICE);
+	err = dma_mapping_error(mc->dev, phykeyiv);
+	if (err) {
+		dev_err(mc->dev, "Cannot DMA MAP KEY IV\n");
+		goto theend;
+	}
+
+	tloffset = 0;
+	eat = 0;
+	i = 0;
+	while (keyivlen > eat) {
+		desc = &mc->chanlist[flow].tl[tloffset];
+		memset(desc, 0, sizeof(struct meson_desc));
+		todo = min(keyivlen - eat, 16u);
+		desc->t_src = cpu_to_le32(phykeyiv + i * 16);
+		desc->t_dst = cpu_to_le32(i * 16);
+		v = (MODE_KEY << 20) | DESC_OWN | 16;
+		desc->t_status = cpu_to_le32(v);
+
+		eat += todo;
+		i++;
+		tloffset++;
+	}
+
+	if (areq->src == areq->dst) {
+		nr_sgs = dma_map_sg(mc->dev, areq->src, sg_nents(areq->src),
+				    DMA_BIDIRECTIONAL);
+		if (!nr_sgs) {
+			dev_err(mc->dev, "Invalid SG count %d\n", nr_sgs);
+			err = -EINVAL;
+			goto theend;
+		}
+		nr_sgd = nr_sgs;
+	} else {
+		nr_sgs = dma_map_sg(mc->dev, areq->src, sg_nents(areq->src),
+				    DMA_TO_DEVICE);
+		if (!nr_sgs || nr_sgs > MAXDESC - 3) {
+			dev_err(mc->dev, "Invalid SG count %d\n", nr_sgs);
+			err = -EINVAL;
+			goto theend;
+		}
+		nr_sgd = dma_map_sg(mc->dev, areq->dst, sg_nents(areq->dst),
+				    DMA_FROM_DEVICE);
+		if (!nr_sgd || nr_sgd > MAXDESC - 3) {
+			dev_err(mc->dev, "Invalid SG count %d\n", nr_sgd);
+			err = -EINVAL;
+			goto theend;
+		}
+	}
+
+	src_sg = areq->src;
+	dst_sg = areq->dst;
+	len = areq->cryptlen;
+	while (src_sg) {
+		desc = &mc->chanlist[flow].tl[tloffset];
+		memset(desc, 0, sizeof(struct meson_desc));
+
+		desc->t_src = cpu_to_le32(sg_dma_address(src_sg));
+		desc->t_dst = cpu_to_le32(sg_dma_address(dst_sg));
+		todo = min(len, sg_dma_len(src_sg));
+		v = (op->keymode << 20) | DESC_OWN | todo | (algt->blockmode << 26);
+		if (rctx->op_dir)
+			v |= DESC_ENCRYPTION;
+		len -= todo;
+
+		if (!sg_next(src_sg))
+			v |= DESC_LAST;
+		desc->t_status = cpu_to_le32(v);
+		tloffset++;
+		src_sg = sg_next(src_sg);
+		dst_sg = sg_next(dst_sg);
+	}
+
+	reinit_completion(&mc->chanlist[flow].complete);
+	mc->chanlist[flow].status = 0;
+	writel(mc->chanlist[flow].t_phy | 2, mc->base + (flow << 2));
+	wait_for_completion_interruptible_timeout(&mc->chanlist[flow].complete,
+						  msecs_to_jiffies(500));
+	if (mc->chanlist[flow].status == 0) {
+		dev_err(mc->dev, "DMA timeout for flow %d\n", flow);
+		err = -EINVAL;
+	}
+
+	dma_unmap_single(mc->dev, phykeyiv, keyivlen, DMA_TO_DEVICE);
+
+	if (areq->src == areq->dst) {
+		dma_unmap_sg(mc->dev, areq->src, sg_nents(areq->src), DMA_BIDIRECTIONAL);
+	} else {
+		dma_unmap_sg(mc->dev, areq->src, sg_nents(areq->src), DMA_TO_DEVICE);
+		dma_unmap_sg(mc->dev, areq->dst, sg_nents(areq->dst), DMA_FROM_DEVICE);
+	}
+
+	if (areq->iv && ivsize > 0) {
+		if (rctx->op_dir == MESON_DECRYPT) {
+			memcpy(areq->iv, backup_iv, ivsize);
+		} else {
+			scatterwalk_map_and_copy(areq->iv, areq->dst,
+						 areq->cryptlen - ivsize,
+						 ivsize, 0);
+		}
+	}
+theend:
+	kfree_sensitive(bkeyiv);
+	kfree_sensitive(backup_iv);
+
+	return err;
+}
+
+static int meson_handle_cipher_request(struct crypto_engine *engine,
+				       void *areq)
+{
+	int err;
+	struct skcipher_request *breq = container_of(areq, struct skcipher_request, base);
+
+	err = meson_cipher(breq);
+	local_bh_disable();
+	crypto_finalize_skcipher_request(engine, breq, err);
+	local_bh_enable();
+
+	return 0;
+}
+
+int meson_skdecrypt(struct skcipher_request *areq)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+	struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+	struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
+	struct crypto_engine *engine;
+	int e;
+
+	rctx->op_dir = MESON_DECRYPT;
+	if (meson_cipher_need_fallback(areq))
+		return meson_cipher_do_fallback(areq);
+	e = get_engine_number(op->mc);
+	engine = op->mc->chanlist[e].engine;
+	rctx->flow = e;
+
+	return crypto_transfer_skcipher_request_to_engine(engine, areq);
+}
+
+int meson_skencrypt(struct skcipher_request *areq)
+{
+	struct crypto_skcipher *tfm = crypto_skcipher_reqtfm(areq);
+	struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+	struct meson_cipher_req_ctx *rctx = skcipher_request_ctx(areq);
+	struct crypto_engine *engine;
+	int e;
+
+	rctx->op_dir = MESON_ENCRYPT;
+	if (meson_cipher_need_fallback(areq))
+		return meson_cipher_do_fallback(areq);
+	e = get_engine_number(op->mc);
+	engine = op->mc->chanlist[e].engine;
+	rctx->flow = e;
+
+	return crypto_transfer_skcipher_request_to_engine(engine, areq);
+}
+
+int meson_cipher_init(struct crypto_tfm *tfm)
+{
+	struct meson_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm);
+	struct meson_alg_template *algt;
+	const char *name = crypto_tfm_alg_name(tfm);
+	struct crypto_skcipher *sktfm = __crypto_skcipher_cast(tfm);
+	struct skcipher_alg *alg = crypto_skcipher_alg(sktfm);
+
+	memset(op, 0, sizeof(struct meson_cipher_tfm_ctx));
+
+	algt = container_of(alg, struct meson_alg_template, alg.skcipher);
+	op->mc = algt->mc;
+
+	op->fallback_tfm = crypto_alloc_skcipher(name, 0, CRYPTO_ALG_NEED_FALLBACK);
+	if (IS_ERR(op->fallback_tfm)) {
+		dev_err(op->mc->dev, "ERROR: Cannot allocate fallback for %s %ld\n",
+			name, PTR_ERR(op->fallback_tfm));
+		return PTR_ERR(op->fallback_tfm);
+	}
+
+	sktfm->reqsize = sizeof(struct meson_cipher_req_ctx) +
+			 crypto_skcipher_reqsize(op->fallback_tfm);
+
+	op->enginectx.op.do_one_request = meson_handle_cipher_request;
+	op->enginectx.op.prepare_request = NULL;
+	op->enginectx.op.unprepare_request = NULL;
+
+	return 0;
+}
+
+void meson_cipher_exit(struct crypto_tfm *tfm)
+{
+	struct meson_cipher_tfm_ctx *op = crypto_tfm_ctx(tfm);
+
+	kfree_sensitive(op->key);
+	crypto_free_skcipher(op->fallback_tfm);
+}
+
+int meson_aes_setkey(struct crypto_skcipher *tfm, const u8 *key,
+		     unsigned int keylen)
+{
+	struct meson_cipher_tfm_ctx *op = crypto_skcipher_ctx(tfm);
+	struct meson_dev *mc = op->mc;
+
+	switch (keylen) {
+	case 128 / 8:
+		op->keymode = MODE_AES_128;
+		break;
+	case 192 / 8:
+		op->keymode = MODE_AES_192;
+		break;
+	case 256 / 8:
+		op->keymode = MODE_AES_256;
+		break;
+	default:
+		dev_dbg(mc->dev, "ERROR: Invalid keylen %u\n", keylen);
+		return -EINVAL;
+	}
+	kfree_sensitive(op->key);
+	op->keylen = keylen;
+	op->key = kmemdup(key, keylen, GFP_KERNEL | GFP_DMA);
+	if (!op->key)
+		return -ENOMEM;
+
+	return crypto_skcipher_setkey(op->fallback_tfm, key, keylen);
+}