Merge tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next

Pull networking updates from Jakub Kicinski:
 "Core:

   - Remove socket skb caches

   - Add a SO_RESERVE_MEM socket op to forward allocate buffer space and
     avoid memory accounting overhead on each message sent

   - Introduce managed neighbor entries - added by control plane and
     resolved by the kernel for use in acceleration paths (BPF / XDP
     right now, HW offload users will benefit as well)

   - Make neighbor eviction on link down controllable by userspace to
     work around WiFi networks with bad roaming implementations

   - vrf: Rework interaction with netfilter/conntrack

   - fq_codel: implement L4S style ce_threshold_ect1 marking

   - sch: Eliminate unnecessary RCU waits in mini_qdisc_pair_swap()

  BPF:

   - Add support for new btf kind BTF_KIND_TAG, arbitrary type tagging
     as implemented in LLVM14

   - Introduce bpf_get_branch_snapshot() to capture Last Branch Records

   - Implement variadic trace_printk helper

   - Add a new Bloomfilter map type

   - Track <8-byte scalar spill and refill

   - Access hw timestamp through BPF's __sk_buff

   - Disallow unprivileged BPF by default

   - Document BPF licensing

  Netfilter:

   - Introduce egress hook for looking at raw outgoing packets

   - Allow matching on and modifying inner headers / payload data

   - Add NFT_META_IFTYPE to match on the interface type either from
     ingress or egress

  Protocols:

   - Multi-Path TCP:
      - increase default max additional subflows to 2
      - rework forward memory allocation
      - add getsockopts: MPTCP_INFO, MPTCP_TCPINFO, MPTCP_SUBFLOW_ADDRS

   - MCTP flow support allowing lower layer drivers to configure msg
     muxing as needed

   - Automatic Multicast Tunneling (AMT) driver based on RFC7450

   - HSR support the redbox supervision frames (IEC-62439-3:2018)

   - Support for the ip6ip6 encapsulation of IOAM

   - Netlink interface for CAN-FD's Transmitter Delay Compensation

   - Support SMC-Rv2 eliminating the current same-subnet restriction, by
     exploiting the UDP encapsulation feature of RoCE adapters

   - TLS: add SM4 GCM/CCM crypto support

   - Bluetooth: initial support for link quality and audio/codec offload

  Driver APIs:

   - Add a batched interface for RX buffer allocation in AF_XDP buffer
     pool

   - ethtool: Add ability to control transceiver modules' power mode

   - phy: Introduce supported interfaces bitmap to express MAC
     capabilities and simplify PHY code

   - Drop rtnl_lock from DSA .port_fdb_{add,del} callbacks

  New drivers:

   - WiFi driver for Realtek 8852AE 802.11ax devices (rtw89)

   - Ethernet driver for ASIX AX88796C SPI device (x88796c)

  Drivers:

   - Broadcom PHYs
      - support 72165, 7712 16nm PHYs
      - support IDDQ-SR for additional power savings

   - PHY support for QCA8081, QCA9561 PHYs

   - NXP DPAA2: support for IRQ coalescing

   - NXP Ethernet (enetc): support for software TCP segmentation

   - Renesas Ethernet (ravb) - support DMAC and EMAC blocks of
     Gigabit-capable IP found on RZ/G2L SoC

   - Intel 100G Ethernet
      - support for eswitch offload of TC/OvS flow API, including
        offload of GRE, VxLAN, Geneve tunneling
      - support application device queues - ability to assign Rx and Tx
        queues to application threads
      - PTP and PPS (pulse-per-second) extensions

   - Broadcom Ethernet (bnxt)
      - devlink health reporting and device reload extensions

   - Mellanox Ethernet (mlx5)
      - offload macvlan interfaces
      - support HW offload of TC rules involving OVS internal ports
      - support HW-GRO and header/data split
      - support application device queues

   - Marvell OcteonTx2:
      - add XDP support for PF
      - add PTP support for VF

   - Qualcomm Ethernet switch (qca8k): support for QCA8328

   - Realtek Ethernet DSA switch (rtl8366rb)
      - support bridge offload
      - support STP, fast aging, disabling address learning
      - support for Realtek RTL8365MB-VC, a 4+1 port 10M/100M/1GE switch

   - Mellanox Ethernet/IB switch (mlxsw)
      - multi-level qdisc hierarchy offload (e.g. RED, prio and shaping)
      - offload root TBF qdisc as port shaper
      - support multiple routing interface MAC address prefixes
      - support for IP-in-IP with IPv6 underlay

   - MediaTek WiFi (mt76)
      - mt7921 - ASPM, 6GHz, SDIO and testmode support
      - mt7915 - LED and TWT support

   - Qualcomm WiFi (ath11k)
      - include channel rx and tx time in survey dump statistics
      - support for 80P80 and 160 MHz bandwidths
      - support channel 2 in 6 GHz band
      - spectral scan support for QCN9074
      - support for rx decapsulation offload (data frames in 802.3
        format)

   - Qualcomm phone SoC WiFi (wcn36xx)
      - enable Idle Mode Power Save (IMPS) to reduce power consumption
        during idle

   - Bluetooth driver support for MediaTek MT7922 and MT7921

   - Enable support for AOSP Bluetooth extension in Qualcomm WCN399x and
     Realtek 8822C/8852A

   - Microsoft vNIC driver (mana)
      - support hibernation and kexec

   - Google vNIC driver (gve)
      - support for jumbo frames
      - implement Rx page reuse

  Refactor:

   - Make all writes to netdev->dev_addr go thru helpers, so that we can
     add this address to the address rbtree and handle the updates

   - Various TCP cleanups and optimizations including improvements to
     CPU cache use

   - Simplify the gnet_stats, Qdisc stats' handling and remove
     qdisc->running sequence counter

   - Driver changes and API updates to address devlink locking
     deficiencies"

* tag 'net-next-for-5.16' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2122 commits)
  Revert "net: avoid double accounting for pure zerocopy skbs"
  selftests: net: add arp_ndisc_evict_nocarrier
  net: ndisc: introduce ndisc_evict_nocarrier sysctl parameter
  net: arp: introduce arp_evict_nocarrier sysctl parameter
  libbpf: Deprecate AF_XDP support
  kbuild: Unify options for BTF generation for vmlinux and modules
  selftests/bpf: Add a testcase for 64-bit bounds propagation issue.
  bpf: Fix propagation of signed bounds from 64-bit min/max into 32-bit.
  bpf: Fix propagation of bounds from 64-bit min/max into 32-bit and var_off.
  net: vmxnet3: remove multiple false checks in vmxnet3_ethtool.c
  net: avoid double accounting for pure zerocopy skbs
  tcp: rename sk_wmem_free_skb
  netdevsim: fix uninit value in nsim_drv_configure_vfs()
  selftests/bpf: Fix also no-alu32 strobemeta selftest
  bpf: Add missing map_delete_elem method to bloom filter map
  selftests/bpf: Add bloom map success test for userspace calls
  bpf: Add alignment padding for "map_extra" + consolidate holes
  bpf: Bloom filter map naming fixups
  selftests/bpf: Add test cases for struct_ops prog
  bpf: Add dummy BPF STRUCT_OPS for test purpose
  ...

1 files changed, 62 insertions, 61 deletions

diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
index 440219bcaa2b..2a6479740600 100644
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -40,18 +40,18 @@
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
 
-/**
+/*
  * initialization string for output
  */
 
 static char version[] __initdata = "LCS driver";
 
-/**
+/*
   * the root device for lcs group devices
   */
 static struct device *lcs_root_dev;
 
-/**
+/*
  * Some prototypes.
  */
 static void lcs_tasklet(unsigned long);
@@ -62,14 +62,14 @@ static int lcs_send_delipm(struct lcs_card *, struct lcs_ipm_list *);
 #endif /* CONFIG_IP_MULTICAST */
 static int lcs_recovery(void *ptr);
 
-/**
+/*
  * Debug Facility Stuff
  */
 static char debug_buffer[255];
 static debug_info_t *lcs_dbf_setup;
 static debug_info_t *lcs_dbf_trace;
 
-/**
+/*
  *  LCS Debug Facility functions
  */
 static void
@@ -96,7 +96,7 @@ lcs_register_debug_facility(void)
 	return 0;
 }
 
-/**
+/*
  * Allocate io buffers.
  */
 static int
@@ -123,7 +123,7 @@ lcs_alloc_channel(struct lcs_channel *channel)
 	return 0;
 }
 
-/**
+/*
  * Free io buffers.
  */
 static void
@@ -151,7 +151,7 @@ lcs_cleanup_channel(struct lcs_channel *channel)
 	lcs_free_channel(channel);
 }
 
-/**
+/*
  * LCS free memory for card and channels.
  */
 static void
@@ -162,7 +162,7 @@ lcs_free_card(struct lcs_card *card)
 	kfree(card);
 }
 
-/**
+/*
  * LCS alloc memory for card and channels
  */
 static struct lcs_card *
@@ -402,7 +402,7 @@ lcs_do_start_thread(struct lcs_card *card, unsigned long thread)
         return rc;
 }
 
-/**
+/*
  * Initialize channels,card and state machines.
  */
 static void
@@ -451,7 +451,8 @@ static void lcs_clear_multicast_list(struct lcs_card *card)
 	spin_unlock_irqrestore(&card->ipm_lock, flags);
 #endif
 }
-/**
+
+/*
  * Cleanup channels,card and state machines.
  */
 static void
@@ -468,7 +469,7 @@ lcs_cleanup_card(struct lcs_card *card)
 	lcs_cleanup_channel(&card->read);
 }
 
-/**
+/*
  * Start channel.
  */
 static int
@@ -517,7 +518,7 @@ lcs_clear_channel(struct lcs_channel *channel)
 }
 
 
-/**
+/*
  * Stop channel.
  */
 static int
@@ -545,7 +546,7 @@ lcs_stop_channel(struct lcs_channel *channel)
 	return 0;
 }
 
-/**
+/*
  * start read and write channel
  */
 static int
@@ -565,7 +566,7 @@ lcs_start_channels(struct lcs_card *card)
 	return rc;
 }
 
-/**
+/*
  * stop read and write channel
  */
 static int
@@ -577,7 +578,7 @@ lcs_stop_channels(struct lcs_card *card)
 	return 0;
 }
 
-/**
+/*
  * Get empty buffer.
  */
 static struct lcs_buffer *
@@ -610,7 +611,7 @@ lcs_get_buffer(struct lcs_channel *channel)
 	return buffer;
 }
 
-/**
+/*
  * Resume channel program if the channel is suspended.
  */
 static int
@@ -636,7 +637,7 @@ __lcs_resume_channel(struct lcs_channel *channel)
 
 }
 
-/**
+/*
  * Make a buffer ready for processing.
  */
 static void __lcs_ready_buffer_bits(struct lcs_channel *channel, int index)
@@ -678,7 +679,7 @@ lcs_ready_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
 	return rc;
 }
 
-/**
+/*
  * Mark the buffer as processed. Take care of the suspend bit
  * of the previous buffer. This function is called from
  * interrupt context, so the lock must not be taken.
@@ -712,7 +713,7 @@ __lcs_processed_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
 	return __lcs_resume_channel(channel);
 }
 
-/**
+/*
  * Put a processed buffer back to state empty.
  */
 static void
@@ -728,7 +729,7 @@ lcs_release_buffer(struct lcs_channel *channel, struct lcs_buffer *buffer)
 	spin_unlock_irqrestore(get_ccwdev_lock(channel->ccwdev), flags);
 }
 
-/**
+/*
  * Get buffer for a lan command.
  */
 static struct lcs_buffer *
@@ -785,7 +786,7 @@ lcs_alloc_reply(struct lcs_cmd *cmd)
 	return reply;
 }
 
-/**
+/*
  * Notifier function for lancmd replies. Called from read irq.
  */
 static void
@@ -813,7 +814,7 @@ lcs_notify_lancmd_waiters(struct lcs_card *card, struct lcs_cmd *cmd)
 	spin_unlock(&card->lock);
 }
 
-/**
+/*
  * Emit buffer of a lan command.
  */
 static void
@@ -877,7 +878,7 @@ lcs_send_lancmd(struct lcs_card *card, struct lcs_buffer *buffer,
 	return rc ? -EIO : 0;
 }
 
-/**
+/*
  * LCS startup command
  */
 static int
@@ -895,7 +896,7 @@ lcs_send_startup(struct lcs_card *card, __u8 initiator)
 	return lcs_send_lancmd(card, buffer, NULL);
 }
 
-/**
+/*
  * LCS shutdown command
  */
 static int
@@ -912,7 +913,7 @@ lcs_send_shutdown(struct lcs_card *card)
 	return lcs_send_lancmd(card, buffer, NULL);
 }
 
-/**
+/*
  * LCS lanstat command
  */
 static void
@@ -939,7 +940,7 @@ lcs_send_lanstat(struct lcs_card *card)
 	return lcs_send_lancmd(card, buffer, __lcs_lanstat_cb);
 }
 
-/**
+/*
  * send stoplan command
  */
 static int
@@ -958,7 +959,7 @@ lcs_send_stoplan(struct lcs_card *card, __u8 initiator)
 	return lcs_send_lancmd(card, buffer, NULL);
 }
 
-/**
+/*
  * send startlan command
  */
 static void
@@ -986,7 +987,7 @@ lcs_send_startlan(struct lcs_card *card, __u8 initiator)
 }
 
 #ifdef CONFIG_IP_MULTICAST
-/**
+/*
  * send setipm command (Multicast)
  */
 static int
@@ -1010,7 +1011,7 @@ lcs_send_setipm(struct lcs_card *card,struct lcs_ipm_list *ipm_list)
 	return lcs_send_lancmd(card, buffer, NULL);
 }
 
-/**
+/*
  * send delipm command (Multicast)
  */
 static int
@@ -1034,7 +1035,7 @@ lcs_send_delipm(struct lcs_card *card,struct lcs_ipm_list *ipm_list)
 	return lcs_send_lancmd(card, buffer, NULL);
 }
 
-/**
+/*
  * check if multicast is supported by LCS
  */
 static void
@@ -1074,7 +1075,7 @@ lcs_check_multicast_support(struct lcs_card *card)
 	return -EOPNOTSUPP;
 }
 
-/**
+/*
  * set or del multicast address on LCS card
  */
 static void
@@ -1129,7 +1130,7 @@ list_modified:
 	spin_unlock_irqrestore(&card->ipm_lock, flags);
 }
 
-/**
+/*
  * get mac address for the relevant Multicast address
  */
 static void
@@ -1139,7 +1140,7 @@ lcs_get_mac_for_ipm(__be32 ipm, char *mac, struct net_device *dev)
 	ip_eth_mc_map(ipm, mac);
 }
 
-/**
+/*
  * function called by net device to handle multicast address relevant things
  */
 static void lcs_remove_mc_addresses(struct lcs_card *card,
@@ -1260,7 +1261,7 @@ out:
 }
 #endif /* CONFIG_IP_MULTICAST */
 
-/**
+/*
  * function called by net device to
  * handle multicast address relevant things
  */
@@ -1355,7 +1356,7 @@ lcs_schedule_recovery(struct lcs_card *card)
 		schedule_work(&card->kernel_thread_starter);
 }
 
-/**
+/*
  * IRQ Handler for LCS channels
  */
 static void
@@ -1439,7 +1440,7 @@ lcs_irq(struct ccw_device *cdev, unsigned long intparm, struct irb *irb)
 	tasklet_schedule(&channel->irq_tasklet);
 }
 
-/**
+/*
  * Tasklet for IRQ handler
  */
 static void
@@ -1476,7 +1477,7 @@ lcs_tasklet(unsigned long data)
 	wake_up(&channel->wait_q);
 }
 
-/**
+/*
  * Finish current tx buffer and make it ready for transmit.
  */
 static void
@@ -1490,7 +1491,7 @@ __lcs_emit_txbuffer(struct lcs_card *card)
 	card->tx_emitted++;
 }
 
-/**
+/*
  * Callback for finished tx buffers.
  */
 static void
@@ -1515,7 +1516,7 @@ lcs_txbuffer_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
 	spin_unlock(&card->lock);
 }
 
-/**
+/*
  * Packet transmit function called by network stack
  */
 static int
@@ -1593,7 +1594,7 @@ lcs_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	return rc;
 }
 
-/**
+/*
  * send startlan and lanstat command to make LCS device ready
  */
 static int
@@ -1648,7 +1649,7 @@ lcs_startlan(struct lcs_card *card)
 	return rc;
 }
 
-/**
+/*
  * LCS detect function
  * setup channels and make them I/O ready
  */
@@ -1680,7 +1681,7 @@ lcs_detect(struct lcs_card *card)
 	return rc;
 }
 
-/**
+/*
  * LCS Stop card
  */
 static int
@@ -1705,7 +1706,7 @@ lcs_stopcard(struct lcs_card *card)
 	return rc;
 }
 
-/**
+/*
  * Kernel Thread helper functions for LGW initiated commands
  */
 static void
@@ -1721,7 +1722,7 @@ lcs_start_kernel_thread(struct work_struct *work)
 #endif
 }
 
-/**
+/*
  * Process control frames.
  */
 static void
@@ -1748,7 +1749,7 @@ lcs_get_control(struct lcs_card *card, struct lcs_cmd *cmd)
 		lcs_notify_lancmd_waiters(card, cmd);
 }
 
-/**
+/*
  * Unpack network packet.
  */
 static void
@@ -1779,7 +1780,7 @@ lcs_get_skb(struct lcs_card *card, char *skb_data, unsigned int skb_len)
 	netif_rx(skb);
 }
 
-/**
+/*
  * LCS main routine to get packets and lancmd replies from the buffers
  */
 static void
@@ -1829,7 +1830,7 @@ lcs_get_frames_cb(struct lcs_channel *channel, struct lcs_buffer *buffer)
 	lcs_ready_buffer(&card->read, buffer);
 }
 
-/**
+/*
  * get network statistics for ifconfig and other user programs
  */
 static struct net_device_stats *
@@ -1842,7 +1843,7 @@ lcs_getstats(struct net_device *dev)
 	return &card->stats;
 }
 
-/**
+/*
  * stop lcs device
  * This function will be called by user doing ifconfig xxx down
  */
@@ -1866,7 +1867,7 @@ lcs_stop_device(struct net_device *dev)
 	return rc;
 }
 
-/**
+/*
  * start lcs device and make it runnable
  * This function will be called by user doing ifconfig xxx up
  */
@@ -1892,7 +1893,7 @@ lcs_open_device(struct net_device *dev)
 	return rc;
 }
 
-/**
+/*
  * show function for portno called by cat or similar things
  */
 static ssize_t
@@ -1908,7 +1909,7 @@ lcs_portno_show (struct device *dev, struct device_attribute *attr, char *buf)
         return sprintf(buf, "%d\n", card->portno);
 }
 
-/**
+/*
  * store the value which is piped to file portno
  */
 static ssize_t
@@ -2033,7 +2034,7 @@ static const struct device_type lcs_devtype = {
 	.groups = lcs_attr_groups,
 };
 
-/**
+/*
  * lcs_probe_device is called on establishing a new ccwgroup_device.
  */
 static int
@@ -2077,7 +2078,7 @@ lcs_register_netdev(struct ccwgroup_device *ccwgdev)
 	return register_netdev(card->dev);
 }
 
-/**
+/*
  * lcs_new_device will be called by setting the group device online.
  */
 static const struct net_device_ops lcs_netdev_ops = {
@@ -2161,7 +2162,7 @@ lcs_new_device(struct ccwgroup_device *ccwgdev)
 	card->dev->ml_priv = card;
 	card->dev->netdev_ops = &lcs_netdev_ops;
 	card->dev->dev_port = card->portno;
-	memcpy(card->dev->dev_addr, card->mac, LCS_MAC_LENGTH);
+	eth_hw_addr_set(card->dev, card->mac);
 #ifdef CONFIG_IP_MULTICAST
 	if (!lcs_check_multicast_support(card))
 		card->dev->netdev_ops = &lcs_mc_netdev_ops;
@@ -2199,7 +2200,7 @@ out_err:
 	return -ENODEV;
 }
 
-/**
+/*
  * lcs_shutdown_device, called when setting the group device offline.
  */
 static int
@@ -2240,7 +2241,7 @@ lcs_shutdown_device(struct ccwgroup_device *ccwgdev)
 	return __lcs_shutdown_device(ccwgdev, 0);
 }
 
-/**
+/*
  * drive lcs recovery after startup and startlan initiated by Lan Gateway
  */
 static int
@@ -2271,7 +2272,7 @@ lcs_recovery(void *ptr)
 	return 0;
 }
 
-/**
+/*
  * lcs_remove_device, free buffers and card
  */
 static void
@@ -2315,7 +2316,7 @@ static struct ccw_driver lcs_ccw_driver = {
 	.int_class = IRQIO_LCS,
 };
 
-/**
+/*
  * LCS ccwgroup driver registration
  */
 static struct ccwgroup_driver lcs_group_driver = {
@@ -2351,7 +2352,7 @@ static const struct attribute_group *lcs_drv_attr_groups[] = {
 	NULL,
 };
 
-/**
+/*
  *  LCS Module/Kernel initialization function
  */
 static int
@@ -2389,7 +2390,7 @@ out_err:
 }
 
 
-/**
+/*
  *  LCS module cleanup function
  */
 static void