Merge tag 'net-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
"Networking fixes, including fixes from netfilter, wireless and bpf
trees.

Current release - regressions:

- mt76: fix NULL pointer dereference in mt76u_status_worker and
mt76s_process_tx_queue

- net: ipa: fix interconnect enable bug

Current release - always broken:

- netfilter: fixes possible oops in mtype_resize in ipset

- ath11k: fix number of coding issues found by static analysis tools
and spurious error messages

Previous releases - regressions:

- e1000e: re-enable s0ix power saving flows for systems with the
Intel i219-LM Ethernet controllers to fix power use regression

- virtio_net: fix recursive call to cpus_read_lock() to avoid a
deadlock

- ipv4: ignore ECN bits for fib lookups in fib_compute_spec_dst()

- sysfs: take the rtnl lock around XPS configuration

- xsk: fix memory leak for failed bind and rollback reservation at
NETDEV_TX_BUSY

- r8169: work around power-saving bug on some chip versions

Previous releases - always broken:

- dcb: validate netlink message in DCB handler

- tun: fix return value when the number of iovs exceeds MAX_SKB_FRAGS
to prevent unnecessary retries

- vhost_net: fix ubuf refcount when sendmsg fails

- bpf: save correct stopping point in file seq iteration

- ncsi: use real net-device for response handler

- neighbor: fix div by zero caused by a data race (TOCTOU)

- bareudp: fix use of incorrect min_headroom size and a false
positive lockdep splat from the TX lock

- mvpp2:
- clear force link UP during port init procedure in case
bootloader had set it
- add TCAM entry to drop flow control pause frames
- fix PPPoE with ipv6 packet parsing
- fix GoP Networking Complex Control config of port 3
- fix pkt coalescing IRQ-threshold configuration

- xsk: fix race in SKB mode transmit with shared cq

- ionic: account for vlan tag len in rx buffer len

- stmmac: ignore the second clock input, current clock framework does
not handle exclusive clock use well, other drivers may reconfigure
the second clock

Misc:

- ppp: change PPPIOCUNBRIDGECHAN ioctl request number to follow
existing scheme"

* tag 'net-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (99 commits)
net: dsa: lantiq_gswip: Fix GSWIP_MII_CFG(p) register access
net: dsa: lantiq_gswip: Enable GSWIP_MII_CFG_EN also for internal PHYs
net: lapb: Decrease the refcount of "struct lapb_cb" in lapb_device_event
r8169: work around power-saving bug on some chip versions
net: usb: qmi_wwan: add Quectel EM160R-GL
selftests: mlxsw: Set headroom size of correct port
net: macb: Correct usage of MACB_CAPS_CLK_HW_CHG flag
ibmvnic: fix: NULL pointer dereference.
docs: networking: packet_mmap: fix old config reference
docs: networking: packet_mmap: fix formatting for C macros
vhost_net: fix ubuf refcount incorrectly when sendmsg fails
bareudp: Fix use of incorrect min_headroom size
bareudp: set NETIF_F_LLTX flag
net: hdlc_ppp: Fix issues when mod_timer is called while timer is running
atlantic: remove architecture depends
erspan: fix version 1 check in gre_parse_header()
net: hns: fix return value check in __lb_other_process()
net: sched: prevent invalid Scell_log shift count
net: neighbor: fix a crash caused by mod zero
ipv4: Ignore ECN bits for fib lookups in fib_compute_spec_dst()
...

Documentation/networking/netdev-FAQ.rst

···
 netdev FAQ
 ==========
 
-Q: What is netdev?
-------------------
-A: It is a mailing list for all network-related Linux stuff.  This
+What is netdev?
+---------------
+It is a mailing list for all network-related Linux stuff.  This
 includes anything found under net/ (i.e. core code like IPv6) and
 drivers/net (i.e. hardware specific drivers) in the Linux source tree.
 
···
 Linux development (i.e. RFC, review, comments, etc.) takes place on
 netdev.
 
-Q: How do the changes posted to netdev make their way into Linux?
------------------------------------------------------------------
-A: There are always two trees (git repositories) in play.  Both are
+How do the changes posted to netdev make their way into Linux?
+--------------------------------------------------------------
+There are always two trees (git repositories) in play.  Both are
 driven by David Miller, the main network maintainer.  There is the
 ``net`` tree, and the ``net-next`` tree.  As you can probably guess from
 the names, the ``net`` tree is for fixes to existing code already in the
···
 - https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git
 - https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
 
-Q: How often do changes from these trees make it to the mainline Linus tree?
-----------------------------------------------------------------------------
-A: To understand this, you need to know a bit of background information on
+How often do changes from these trees make it to the mainline Linus tree?
+-------------------------------------------------------------------------
+To understand this, you need to know a bit of background information on
 the cadence of Linux development.  Each new release starts off with a
 two week "merge window" where the main maintainers feed their new stuff
 to Linus for merging into the mainline tree.  After the two weeks, the
···
 
 Finally, the vX.Y gets released, and the whole cycle starts over.
 
-Q: So where are we now in this cycle?
+So where are we now in this cycle?
+----------------------------------
 
 Load the mainline (Linus) page here:
 
···
 the dev cycle.  If it was tagged rc7 a week ago, then a release is
 probably imminent.
 
-Q: How do I indicate which tree (net vs. net-next) my patch should be in?
--------------------------------------------------------------------------
-A: Firstly, think whether you have a bug fix or new "next-like" content.
+How do I indicate which tree (net vs. net-next) my patch should be in?
+----------------------------------------------------------------------
+Firstly, think whether you have a bug fix or new "next-like" content.
 Then once decided, assuming that you use git, use the prefix flag, i.e.
 ::
 
···
 can manually change it yourself with whatever MUA you are comfortable
 with.
 
-Q: I sent a patch and I'm wondering what happened to it?
---------------------------------------------------------
-Q: How can I tell whether it got merged?
-A: Start by looking at the main patchworks queue for netdev:
+I sent a patch and I'm wondering what happened to it - how can I tell whether it got merged?
+--------------------------------------------------------------------------------------------
+Start by looking at the main patchworks queue for netdev:
 
   https://patchwork.kernel.org/project/netdevbpf/list/
 
 The "State" field will tell you exactly where things are at with your
 patch.
 
-Q: The above only says "Under Review".  How can I find out more?
-----------------------------------------------------------------
-A: Generally speaking, the patches get triaged quickly (in less than
+The above only says "Under Review".  How can I find out more?
+-------------------------------------------------------------
+Generally speaking, the patches get triaged quickly (in less than
 48h).  So be patient.  Asking the maintainer for status updates on your
 patch is a good way to ensure your patch is ignored or pushed to the
 bottom of the priority list.
 
-Q: I submitted multiple versions of the patch series
-----------------------------------------------------
-Q: should I directly update patchwork for the previous versions of these
-patch series?
-A: No, please don't interfere with the patch status on patchwork, leave
+I submitted multiple versions of the patch series. Should I directly update patchwork for the previous versions of these patch series?
+--------------------------------------------------------------------------------------------------------------------------------------
+No, please don't interfere with the patch status on patchwork, leave
 it to the maintainer to figure out what is the most recent and current
 version that should be applied. If there is any doubt, the maintainer
 will reply and ask what should be done.
 
-Q: I made changes to only a few patches in a patch series should I resend only those changed?
----------------------------------------------------------------------------------------------
-A: No, please resend the entire patch series and make sure you do number your
+I made changes to only a few patches in a patch series should I resend only those changed?
+------------------------------------------------------------------------------------------
+No, please resend the entire patch series and make sure you do number your
 patches such that it is clear this is the latest and greatest set of patches
 that can be applied.
 
-Q: I submitted multiple versions of a patch series and it looks like a version other than the last one has been accepted, what should I do?
--------------------------------------------------------------------------------------------------------------------------------------------
-A: There is no revert possible, once it is pushed out, it stays like that.
+I submitted multiple versions of a patch series and it looks like a version other than the last one has been accepted, what should I do?
+----------------------------------------------------------------------------------------------------------------------------------------
+There is no revert possible, once it is pushed out, it stays like that.
 Please send incremental versions on top of what has been merged in order to fix
 the patches the way they would look like if your latest patch series was to be
 merged.
 
-Q: How can I tell what patches are queued up for backporting to the various stable releases?
---------------------------------------------------------------------------------------------
-A: Normally Greg Kroah-Hartman collects stable commits himself, but for
+How can I tell what patches are queued up for backporting to the various stable releases?
+-----------------------------------------------------------------------------------------
+Normally Greg Kroah-Hartman collects stable commits himself, but for
 networking, Dave collects up patches he deems critical for the
 networking subsystem, and then hands them off to Greg.
 
···
   releases/3.9.8/ipv6-fix-possible-crashes-in-ip6_cork_release.patch
   stable/stable-queue$
 
-Q: I see a network patch and I think it should be backported to stable.
------------------------------------------------------------------------
-Q: Should I request it via [e-mail] like the references in
-the kernel's Documentation/process/stable-kernel-rules.rst file say?
-A: No, not for networking.  Check the stable queues as per above first
+I see a network patch and I think it should be backported to stable. Should I request it via [e-mail] like the references in the kernel's Documentation/process/stable-kernel-rules.rst file say?
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+No, not for networking.  Check the stable queues as per above first
 to see if it is already queued.  If not, then send a mail to netdev,
 listing the upstream commit ID and why you think it should be a stable
 candidate.
···
 scrambling to request a commit be added the day after it appears should
 be avoided.
 
-Q: I have created a network patch and I think it should be backported to stable.
---------------------------------------------------------------------------------
-Q: Should I add a Cc: [e-mail] like the references in the
-kernel's Documentation/ directory say?
-A: No.  See above answer.  In short, if you think it really belongs in
+I have created a network patch and I think it should be backported to stable. Should I add a Cc: [e-mail] like the references in the kernel's Documentation/ directory say?
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
+No.  See above answer.  In short, if you think it really belongs in
 stable, then ensure you write a decent commit log that describes who
 gets impacted by the bug fix and how it manifests itself, and when the
 bug was introduced.  If you do that properly, then the commit will get
···
 :ref:`Documentation/process/submitting-patches.rst <the_canonical_patch_format>`
 to temporarily embed that information into the patch that you send.
 
-Q: Are all networking bug fixes backported to all stable releases?
-------------------------------------------------------------------
-A: Due to capacity, Dave could only take care of the backports for the
+Are all networking bug fixes backported to all stable releases?
+---------------------------------------------------------------
+Due to capacity, Dave could only take care of the backports for the
 last two stable releases. For earlier stable releases, each stable
 branch maintainer is supposed to take care of them. If you find any
 patch is missing from an earlier stable branch, please notify
 [e-mail] with either a commit ID or a formal patch
 backported, and CC Dave and other relevant networking developers.
 
-Q: Is the comment style convention different for the networking content?
-------------------------------------------------------------------------
-A: Yes, in a largely trivial way.  Instead of this::
+Is the comment style convention different for the networking content?
+---------------------------------------------------------------------
+Yes, in a largely trivial way.  Instead of this::
 
   /*
    * foobar blah blah blah
···
    * another line of text
    */
 
-Q: I am working in existing code that has the former comment style and not the latter.
---------------------------------------------------------------------------------------
-Q: Should I submit new code in the former style or the latter?
-A: Make it the latter style, so that eventually all code in the domain
+I am working in existing code that has the former comment style and not the latter. Should I submit new code in the former style or the latter?
+-----------------------------------------------------------------------------------------------------------------------------------------------
+Make it the latter style, so that eventually all code in the domain
 of netdev is of this format.
 
-Q: I found a bug that might have possible security implications or similar.
----------------------------------------------------------------------------
-Q: Should I mail the main netdev maintainer off-list?**
-A: No. The current netdev maintainer has consistently requested that
+I found a bug that might have possible security implications or similar. Should I mail the main netdev maintainer off-list?
+---------------------------------------------------------------------------------------------------------------------------
+No. The current netdev maintainer has consistently requested that
 people use the mailing lists and not reach out directly.  If you aren't
 OK with that, then perhaps consider mailing [e-mail] or
 reading about http://oss-security.openwall.org/wiki/mailing-lists/distros
 as possible alternative mechanisms.
 
-Q: What level of testing is expected before I submit my change?
----------------------------------------------------------------
-A: If your changes are against ``net-next``, the expectation is that you
+What level of testing is expected before I submit my change?
+------------------------------------------------------------
+If your changes are against ``net-next``, the expectation is that you
 have tested by layering your changes on top of ``net-next``.  Ideally
 you will have done run-time testing specific to your change, but at a
 minimum, your changes should survive an ``allyesconfig`` and an
 ``allmodconfig`` build without new warnings or failures.
 
-Q: How do I post corresponding changes to user space components?
-----------------------------------------------------------------
-A: User space code exercising kernel features should be posted
+How do I post corresponding changes to user space components?
+-------------------------------------------------------------
+User space code exercising kernel features should be posted
 alongside kernel patches. This gives reviewers a chance to see
 how any new interface is used and how well it works.
 
···
 Posting as one thread is discouraged because it confuses patchwork
 (as of patchwork 2.2.2).
 
-Q: Any other tips to help ensure my net/net-next patch gets OK'd?
------------------------------------------------------------------
-A: Attention to detail.  Re-read your own work as if you were the
+Any other tips to help ensure my net/net-next patch gets OK'd?
+--------------------------------------------------------------
+Attention to detail.  Re-read your own work as if you were the
 reviewer.  You can start with using ``checkpatch.pl``, perhaps even with
 the ``--strict`` flag.  But do not be mindlessly robotic in doing so.
 If your change is a bug fix, make sure your commit log indicates the

Documentation/networking/packet_mmap.rst

···
 ========
 
 This file documents the mmap() facility available with the PACKET
-socket interface on 2.4/2.6/3.x kernels. This type of sockets is used for
+socket interface. This type of sockets is used for
 
 i) capture network traffic with utilities like tcpdump,
 ii) transmit network traffic, or any other that needs raw
···
 Why use PACKET_MMAP
 ===================
 
-In Linux 2.4/2.6/3.x if PACKET_MMAP is not enabled, the capture process is very
+Non PACKET_MMAP capture process (plain AF_PACKET) is very
 inefficient. It uses very limited buffers and requires one system call to
 capture each packet, it requires two if you want to get packet's timestamp
 (like libpcap always does).
 
-In the other hand PACKET_MMAP is very efficient. PACKET_MMAP provides a size
+On the other hand PACKET_MMAP is very efficient. PACKET_MMAP provides a size
 configurable circular buffer mapped in user space that can be used to either
 send or receive packets. This way reading packets just needs to wait for them,
 most of the time there is no need to issue a single system call. Concerning
···
 
 In kernel versions prior to 2.4.26 (for the 2.4 branch) and 2.6.5 (2.6 branch),
 the PACKET_MMAP buffer could hold only 32768 frames in a 32 bit architecture or
-16384 in a 64 bit architecture. For information on these kernel versions
-see http://pusa.uv.es/~ulisses/packet_mmap/packet_mmap.pre-2.4.26_2.6.5.txt
+16384 in a 64 bit architecture.
 
 Block size limit
 ----------------
···
 Capture process
 ^^^^^^^^^^^^^^^
 
-     from include/linux/if_packet.h
+From include/linux/if_packet.h::
 
      #define TP_STATUS_COPY          (1 << 1)
      #define TP_STATUS_LOSING        (1 << 2)

MAINTAINERS

···
 F:	net/wireless/
 
 8169 10/100/1000 GIGABIT ETHERNET DRIVER
-M:	Realtek linux nic maintainers <[e-mail]>
 M:	Heiner Kallweit <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	drivers/net/ethernet/realtek/r8169*
···
 ARM/Microchip Sparx5 SoC support
 M:	Lars Povlsen <[e-mail]>
 M:	Steen Hegelund <[e-mail]>
-M:	Microchip Linux Driver Support <[e-mail]>
+M:	[e-mail]
 L:	[e-mail] (moderated for non-subscribers)
 S:	Supported
 T:	git git://github.com/microchip-ung/linux-upstream.git
···
 F:	drivers/net/ethernet/broadcom/bnxt/
 
 BROADCOM BRCM80211 IEEE802.11n WIRELESS DRIVER
-M:	Arend van Spriel <[e-mail]>
+M:	Arend van Spriel <[e-mail]>
 M:	Franky Lin <[e-mail]>
 M:	Hante Meuleman <[e-mail]>
 M:	Chi-hsien Lin <[e-mail]>
···
 CAN-J1939 NETWORK LAYER
 M:	Robin van der Gracht <[e-mail]>
 M:	Oleksij Rempel <[e-mail]>
-R:	Pengutronix Kernel Team <[e-mail]>
+R:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	Documentation/networking/j1939.rst
···
 
 MICROCHIP KSZ SERIES ETHERNET SWITCH DRIVER
 M:	Woojung Huh <[e-mail]>
-M:	Microchip Linux Driver Support <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/dsa/microchip,ksz.yaml
···
 
 MICROCHIP LAN743X ETHERNET DRIVER
 M:	Bryan Whitehead <[e-mail]>
-M:	Microchip Linux Driver Support <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	drivers/net/ethernet/microchip/lan743x_*
···
 
 MICROSEMI MIPS SOCS
 M:	Alexandre Belloni <[e-mail]>
-M:	Microchip Linux Driver Support <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Supported
 F:	Documentation/devicetree/bindings/mips/mscc.txt
···
 F:	include/linux/objtool.h
 
 OCELOT ETHERNET SWITCH DRIVER
-M:	Microchip Linux Driver Support <[e-mail]>
 M:	Vladimir Oltean <[e-mail]>
 M:	Claudiu Manoil <[e-mail]>
 M:	Alexandre Belloni <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Supported
 F:	drivers/net/dsa/ocelot/*
···
 
 PENSANDO ETHERNET DRIVERS
 M:	Shannon Nelson <[e-mail]>
-M:	Pensando Drivers <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Supported
 F:	Documentation/networking/device_drivers/ethernet/pensando/ionic.rst
···
 F:	drivers/net/wireless/ath/ath11k/
 
 QUALCOMM ATHEROS ATH9K WIRELESS DRIVER
-M:	QCA ath9k Development <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Supported
 W:	https://wireless.wiki.kernel.org/en/users/Drivers/ath9k
···
 
 USB LAN78XX ETHERNET DRIVER
 M:	Woojung Huh <[e-mail]>
-M:	Microchip Linux Driver Support <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	Documentation/devicetree/bindings/net/microchip,lan78xx.txt
···
 
 USB SMSC95XX ETHERNET DRIVER
 M:	Steve Glendinning <[e-mail]>
-M:	Microchip Linux Driver Support <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	drivers/net/usb/smsc95xx.*
···
 
 VMWARE VMXNET3 ETHERNET DRIVER
 M:	Ronak Doshi <[e-mail]>
-M:	"VMware, Inc." <[e-mail]>
+M:	[e-mail]
 L:	[e-mail]
 S:	Maintained
 F:	drivers/net/vmxnet3/

drivers/atm/idt77252.c

···
 
 	if ((err = dma_set_mask_and_coherent(&pcidev->dev, DMA_BIT_MASK(32)))) {
 		printk("idt77252: can't enable DMA for PCI device at %s\n", pci_name(pcidev));
-		return err;
+		goto err_out_disable_pdev;
 	}
 
 	card = kzalloc(sizeof(struct idt77252_dev), GFP_KERNEL);

drivers/net/bareudp.c

···
 		goto free_dst;
 
 	min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len +
-		BAREUDP_BASE_HLEN + info->options_len + sizeof(struct iphdr);
+		BAREUDP_BASE_HLEN + info->options_len + sizeof(struct ipv6hdr);
 
 	err = skb_cow_head(skb, min_headroom);
 	if (unlikely(err))
···
 	SET_NETDEV_DEVTYPE(dev, &bareudp_type);
 	dev->features    |= NETIF_F_SG | NETIF_F_HW_CSUM;
 	dev->features    |= NETIF_F_RXCSUM;
+	dev->features    |= NETIF_F_LLTX;
 	dev->features    |= NETIF_F_GSO_SOFTWARE;
 	dev->hw_features |= NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_RXCSUM;
 	dev->hw_features |= NETIF_F_GSO_SOFTWARE;

drivers/net/dsa/lantiq_gswip.c

···
 					 GSWIP_MDIO_PHY_FDUP_MASK)
 
 /* GSWIP MII Registers */
-#define GSWIP_MII_CFG0			0x00
-#define GSWIP_MII_CFG1			0x02
-#define GSWIP_MII_CFG5			0x04
+#define GSWIP_MII_CFGp(p)		(0x2 * (p))
 #define  GSWIP_MII_CFG_EN		BIT(14)
 #define  GSWIP_MII_CFG_LDCLKDIS		BIT(12)
 #define  GSWIP_MII_CFG_MODE_MIIP	0x0
···
 static void gswip_mii_mask_cfg(struct gswip_priv *priv, u32 clear, u32 set,
 			       int port)
 {
-	switch (port) {
-	case 0:
-		gswip_mii_mask(priv, clear, set, GSWIP_MII_CFG0);
-		break;
-	case 1:
-		gswip_mii_mask(priv, clear, set, GSWIP_MII_CFG1);
-		break;
-	case 5:
-		gswip_mii_mask(priv, clear, set, GSWIP_MII_CFG5);
-		break;
-	}
+	/* There's no MII_CFG register for the CPU port */
+	if (!dsa_is_cpu_port(priv->ds, port))
+		gswip_mii_mask(priv, clear, set, GSWIP_MII_CFGp(port));
 }
 
 static void gswip_mii_mask_pcdu(struct gswip_priv *priv, u32 clear, u32 set,
···
 	gswip_mdio_mask(priv, 0xff, 0x09, GSWIP_MDIO_MDC_CFG1);
 
 	/* Disable the xMII link */
-	gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, 0);
-	gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, 1);
-	gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, 5);
+	for (i = 0; i < priv->hw_info->max_ports; i++)
+		gswip_mii_mask_cfg(priv, GSWIP_MII_CFG_EN, 0, i);
 
 	/* enable special tag insertion on cpu port */
 	gswip_switch_mask(priv, 0, GSWIP_FDMA_PCTRL_STEN,
···
 {
 	struct gswip_priv *priv = ds->priv;
 
-	/* Enable the xMII interface only for the external PHY */
-	if (interface != PHY_INTERFACE_MODE_INTERNAL)
-		gswip_mii_mask_cfg(priv, 0, GSWIP_MII_CFG_EN, port);
+	gswip_mii_mask_cfg(priv, 0, GSWIP_MII_CFG_EN, port);
 }
 
 static void gswip_get_strings(struct dsa_switch *ds, int port, u32 stringset,

drivers/net/ethernet/aquantia/Kconfig

···
 config AQTION
 	tristate "aQuantia AQtion(tm) Support"
 	depends on PCI
-	depends on X86_64 || ARM64 || COMPILE_TEST
 	depends on MACSEC || MACSEC=n
 	help
 	  This enables the support for the aQuantia AQtion(tm) Ethernet card.

drivers/net/ethernet/broadcom/bcmsysport.c

···
 			 NETIF_F_HW_VLAN_CTAG_TX;
 	dev->hw_features |= dev->features;
 	dev->vlan_features |= dev->features;
+	dev->max_mtu = UMAC_MAX_MTU_SIZE;
 
 	/* Request the WOL interrupt and advertise suspend if available */
 	priv->wol_irq_disabled = 1;

drivers/net/ethernet/broadcom/bnxt/bnxt.c

···
 		ctx->tqm_fp_rings_count = resp->tqm_fp_rings_count;
 		if (!ctx->tqm_fp_rings_count)
 			ctx->tqm_fp_rings_count = bp->max_q;
+		else if (ctx->tqm_fp_rings_count > BNXT_MAX_TQM_FP_RINGS)
+			ctx->tqm_fp_rings_count = BNXT_MAX_TQM_FP_RINGS;
 
-		tqm_rings = ctx->tqm_fp_rings_count + 1;
+		tqm_rings = ctx->tqm_fp_rings_count + BNXT_MAX_TQM_SP_RINGS;
 		ctx_pg = kcalloc(tqm_rings, sizeof(*ctx_pg), GFP_KERNEL);
 		if (!ctx_pg) {
 			kfree(ctx);
···
 	     pg_attr = &req.tqm_sp_pg_size_tqm_sp_lvl,
 	     pg_dir = &req.tqm_sp_page_dir,
 	     ena = FUNC_BACKING_STORE_CFG_REQ_ENABLES_TQM_SP;
-	     i < 9; i++, num_entries++, pg_attr++, pg_dir++, ena <<= 1) {
+	     i < BNXT_MAX_TQM_RINGS;
+	     i++, num_entries++, pg_attr++, pg_dir++, ena <<= 1) {
 		if (!(enables & ena))
 			continue;
 
···
  */
 static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev)
 {
+	pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
 	struct net_device *netdev = pci_get_drvdata(pdev);
 	struct bnxt *bp = netdev_priv(netdev);
 	int err = 0, off;
-	pci_ers_result_t result = PCI_ERS_RESULT_DISCONNECT;
 
 	netdev_info(bp->dev, "PCI Slot Reset\n");
 
···
 		pci_save_state(pdev);
 
 		err = bnxt_hwrm_func_reset(bp);
-		if (!err) {
-			err = bnxt_hwrm_func_qcaps(bp);
-			if (!err && netif_running(netdev))
-				err = bnxt_open(netdev);
-		}
-		bnxt_ulp_start(bp, err);
-		if (!err) {
-			bnxt_reenable_sriov(bp);
+		if (!err)
 			result = PCI_ERS_RESULT_RECOVERED;
-		}
-	}
-
-	if (result != PCI_ERS_RESULT_RECOVERED) {
-		if (netif_running(netdev))
-			dev_close(netdev);
-		pci_disable_device(pdev);
 	}
 
 	rtnl_unlock();
···
 static void bnxt_io_resume(struct pci_dev *pdev)
 {
 	struct net_device *netdev = pci_get_drvdata(pdev);
+	struct bnxt *bp = netdev_priv(netdev);
+	int err;
 
+	netdev_info(bp->dev, "PCI Slot Resume\n");
 	rtnl_lock();
 
-	netif_device_attach(netdev);
+	err = bnxt_hwrm_func_qcaps(bp);
+	if (!err && netif_running(netdev))
+		err = bnxt_open(netdev);
+
+	bnxt_ulp_start(bp, err);
+	if (!err) {
+		bnxt_reenable_sriov(bp);
+		netif_device_attach(netdev);
+	}
 
 	rtnl_unlock();
 }

drivers/net/ethernet/broadcom/bnxt/bnxt.h

···
 	struct bnxt_ctx_pg_info **ctx_pg_tbl;
 };
 
+#define BNXT_MAX_TQM_SP_RINGS		1
+#define BNXT_MAX_TQM_FP_RINGS		8
+#define BNXT_MAX_TQM_RINGS		\
+	(BNXT_MAX_TQM_SP_RINGS + BNXT_MAX_TQM_FP_RINGS)
+
 struct bnxt_ctx_mem_info {
 	u32	qp_max_entries;
 	u16	qp_min_qp1_entries;
···
 	struct bnxt_ctx_pg_info stat_mem;
 	struct bnxt_ctx_pg_info mrav_mem;
 	struct bnxt_ctx_pg_info tim_mem;
-	struct bnxt_ctx_pg_info *tqm_mem[9];
+	struct bnxt_ctx_pg_info *tqm_mem[BNXT_MAX_TQM_RINGS];
 };
 
 struct bnxt_fw_health {

drivers/net/ethernet/cadence/macb_main.c

···
 {
 	long ferr, rate, rate_rounded;
 
-	if (!bp->tx_clk || !(bp->caps & MACB_CAPS_CLK_HW_CHG))
+	if (!bp->tx_clk || (bp->caps & MACB_CAPS_CLK_HW_CHG))
 		return;
 
 	switch (speed) {

drivers/net/ethernet/ethoc.c

···
 	ret = mdiobus_register(priv->mdio);
 	if (ret) {
 		dev_err(&netdev->dev, "failed to register MDIO bus\n");
-		goto free2;
+		goto free3;
 	}
 
 	ret = ethoc_mdio_probe(netdev);
···
 	netif_napi_del(&priv->napi);
 error:
 	mdiobus_unregister(priv->mdio);
+free3:
 	mdiobus_free(priv->mdio);
 free2:
 	clk_disable_unprepare(priv->clk);

drivers/net/ethernet/freescale/ucc_geth.c

···
 	INIT_WORK(&ugeth->timeout_work, ucc_geth_timeout_work);
 	netif_napi_add(dev, &ugeth->napi, ucc_geth_poll, 64);
 	dev->mtu = 1500;
+	dev->max_mtu = 1518;
 
 	ugeth->msg_enable = netif_msg_init(debug.msg_enable, UGETH_MSG_DEFAULT);
 	ugeth->phy_interface = phy_interface;
···
 	struct device_node *np = ofdev->dev.of_node;
 
 	unregister_netdev(dev);
-	free_netdev(dev);
 	ucc_geth_memclean(ugeth);
 	if (of_phy_is_fixed_link(np))
 		of_phy_deregister_fixed_link(np);
 	of_node_put(ugeth->ug_info->tbi_node);
 	of_node_put(ugeth->ug_info->phy_node);
+	free_netdev(dev);
 
 	return 0;
 }

drivers/net/ethernet/freescale/ucc_geth.h

···
 	u32 vtagtable[0x8];	/* 8 4-byte VLAN tags */
 	u32 tqptr;		/* a base pointer to the Tx Queues Memory
 				   Region */
-	u8 res2[0x80 - 0x74];
+	u8 res2[0x78 - 0x74];
+	u64 snums_en;
+	u32 l2l3baseptr;	/* top byte consists of a few other bit fields */
+
+	u16 mtu[8];
+	u8 res3[0xa8 - 0x94];
+	u32 wrrtablebase;	/* top byte is reserved */
+	u8 res4[0xc0 - 0xac];
 } __packed;
 
 /* structure representing Extended Filtering Global Parameters in PRAM */

drivers/net/ethernet/hisilicon/hns/hns_ethtool.c

···
 	/* for mutl buffer*/
 	new_skb = skb_copy(skb, GFP_ATOMIC);
 	dev_kfree_skb_any(skb);
+	if (!new_skb) {
+		netdev_err(ndev, "skb alloc failed\n");
+		return;
+	}
 	skb = new_skb;
 
 	check_ok = 0;

drivers/net/ethernet/ibm/ibmvnic.c

···
 	release_rx_pools(adapter);
 
 	release_napi(adapter);
+	release_login_buffer(adapter);
 	release_login_rsp_buffer(adapter);
 }
 
···
 				set_current_state(TASK_UNINTERRUPTIBLE);
 				schedule_timeout(60 * HZ);
 			}
-		} else if (!(rwi->reset_reason == VNIC_RESET_FATAL &&
-				adapter->from_passive_init)) {
+		} else {
 			rc = do_reset(adapter, rwi, reset_state);
 		}
 		kfree(rwi);
···
 	int rc;
 
 	if (!scrq) {
-		netdev_dbg(adapter->netdev,
-			   "Invalid scrq reset. irq (%d) or msgs (%p).\n",
-			   scrq->irq, scrq->msgs);
+		netdev_dbg(adapter->netdev, "Invalid scrq reset.\n");
 		return -EINVAL;
 	}
 
···
 		return -1;
 	}
 
+	release_login_buffer(adapter);
 	release_login_rsp_buffer(adapter);
+
 	client_data_len = vnic_client_data_len(adapter);
 
 	buffer_size =

drivers/net/ethernet/intel/e1000e/e1000.h

···
 #define FLAG2_DFLT_CRC_STRIPPING          BIT(12)
 #define FLAG2_CHECK_RX_HWTSTAMP           BIT(13)
 #define FLAG2_CHECK_SYSTIM_OVERFLOW       BIT(14)
+#define FLAG2_ENABLE_S0IX_FLOWS           BIT(15)
 
 #define E1000_RX_DESC_PS(R, i)	    \
 	(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))

drivers/net/ethernet/intel/e1000e/ethtool.c

···
 	int stat_offset;
 };
 
+static const char e1000e_priv_flags_strings[][ETH_GSTRING_LEN] = {
+#define E1000E_PRIV_FLAGS_S0IX_ENABLED	BIT(0)
+	"s0ix-enabled",
+};
+
+#define E1000E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(e1000e_priv_flags_strings)
+
 #define E1000_STAT(str, m) { \
 		.stat_string = str, \
 		.type = E1000_STATS, \
···
 		return E1000_TEST_LEN;
 	case ETH_SS_STATS:
 		return E1000_STATS_LEN;
+	case ETH_SS_PRIV_FLAGS:
+		return E1000E_PRIV_FLAGS_STR_LEN;
 	default:
 		return -EOPNOTSUPP;
 	}
···
 			p += ETH_GSTRING_LEN;
 		}
 		break;
+	case ETH_SS_PRIV_FLAGS:
+		memcpy(data, e1000e_priv_flags_strings,
+		       E1000E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
+		break;
 	}
 }
 
···
 	return 0;
 }
 
+static u32 e1000e_get_priv_flags(struct net_device *netdev)
+{
+	struct e1000_adapter *adapter = netdev_priv(netdev);
+	u32 priv_flags = 0;
+
+	if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS)
+		priv_flags |= E1000E_PRIV_FLAGS_S0IX_ENABLED;
+
+	return priv_flags;
+}
+
+static int e1000e_set_priv_flags(struct net_device *netdev, u32 priv_flags)
+{
+	struct e1000_adapter *adapter = netdev_priv(netdev);
+	unsigned int flags2 = adapter->flags2;
+
+	flags2 &= ~FLAG2_ENABLE_S0IX_FLOWS;
+	if (priv_flags & E1000E_PRIV_FLAGS_S0IX_ENABLED) {
+		struct e1000_hw *hw = &adapter->hw;
+
+		if (hw->mac.type < e1000_pch_cnp)
+			return -EINVAL;
+		flags2 |= FLAG2_ENABLE_S0IX_FLOWS;
+	}
+
+	if (flags2 != adapter->flags2)
+		adapter->flags2 = flags2;
+
+	return 0;
+}
+
 static const struct ethtool_ops e1000_ethtool_ops = {
 	.supported_coalesce_params = ETHTOOL_COALESCE_RX_USECS,
 	.get_drvinfo		= e1000_get_drvinfo,
···
 	.set_eee		= e1000e_set_eee,
 	.get_link_ksettings	= e1000_get_link_ksettings,
 	.set_link_ksettings	= e1000_set_link_ksettings,
+	.get_priv_flags		= e1000e_get_priv_flags,
+	.set_priv_flags		= e1000e_set_priv_flags,
 };
 
 void e1000e_set_ethtool_ops(struct net_device *netdev)

drivers/net/ethernet/intel/e1000e/ich8lan.c

···
 		return 0;
 
 	if (er32(FWSM) & E1000_ICH_FWSM_FW_VALID) {
+		struct e1000_adapter *adapter = hw->adapter;
+		bool firmware_bug = false;
+
 		if (force) {
 			/* Request ME un-configure ULP mode in the PHY */
 			mac_reg = er32(H2ME);
···
 			ew32(H2ME, mac_reg);
 		}
 
-		/* Poll up to 300msec for ME to clear ULP_CFG_DONE. */
+		/* Poll up to 2.5 seconds for ME to clear ULP_CFG_DONE.
+		 * If this takes more than 1 second, show a warning indicating a
+		 * firmware bug
+		 */
 		while (er32(FWSM) & E1000_FWSM_ULP_CFG_DONE) {
-			if (i++ == 30) {
+			if (i++ == 250) {
 				ret_val = -E1000_ERR_PHY;
 				goto out;
 			}
+			if (i > 100 && !firmware_bug)
+				firmware_bug = true;
 
 			usleep_range(10000, 11000);
 		}
-		e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10);
+		if (firmware_bug)
+			e_warn("ULP_CONFIG_DONE took %dmsec.  This is a firmware bug\n", i * 10);
+		else
+			e_dbg("ULP_CONFIG_DONE cleared after %dmsec\n", i * 10);
 
 		if (force) {
 			mac_reg = er32(H2ME);

drivers/net/ethernet/intel/e1000e/netdev.c

···
 	{0, NULL}
 };
 
-struct e1000e_me_supported {
-	u16 device_id;		/* supported device ID */
-};
-
-static const struct e1000e_me_supported me_supported[] = {
-	{E1000_DEV_ID_PCH_LPT_I217_LM},
-	{E1000_DEV_ID_PCH_LPTLP_I218_LM},
-	{E1000_DEV_ID_PCH_I218_LM2},
-	{E1000_DEV_ID_PCH_I218_LM3},
-	{E1000_DEV_ID_PCH_SPT_I219_LM},
-	{E1000_DEV_ID_PCH_SPT_I219_LM2},
-	{E1000_DEV_ID_PCH_LBG_I219_LM3},
-	{E1000_DEV_ID_PCH_SPT_I219_LM4},
-	{E1000_DEV_ID_PCH_SPT_I219_LM5},
-	{E1000_DEV_ID_PCH_CNP_I219_LM6},
-	{E1000_DEV_ID_PCH_CNP_I219_LM7},
-	{E1000_DEV_ID_PCH_ICP_I219_LM8},
-	{E1000_DEV_ID_PCH_ICP_I219_LM9},
-	{E1000_DEV_ID_PCH_CMP_I219_LM10},
-	{E1000_DEV_ID_PCH_CMP_I219_LM11},
-	{E1000_DEV_ID_PCH_CMP_I219_LM12},
-	{E1000_DEV_ID_PCH_TGP_I219_LM13},
-	{E1000_DEV_ID_PCH_TGP_I219_LM14},
-	{E1000_DEV_ID_PCH_TGP_I219_LM15},
-	{0}
-};
-
-static bool e1000e_check_me(u16 device_id)
-{
-	struct e1000e_me_supported *id;
-
-	for (id = (struct e1000e_me_supported *)me_supported;
-	     id->device_id; id++)
-		if (device_id == id->device_id)
-			return true;
-
-	return false;
-}
-
 /**
  * __ew32_prepare - prepare to write to MAC CSR register on certain parts
  * @hw: pointer to the HW structure
···
 	struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct pci_dev *pdev = to_pci_dev(dev);
-	struct e1000_hw *hw = &adapter->hw;
 	int rc;
 
 	e1000e_flush_lpic(pdev);
···
 	e1000e_pm_freeze(dev);
 
 	rc = __e1000_shutdown(pdev, false);
-	if (rc)
+	if (rc) {
 		e1000e_pm_thaw(dev);
-
-	/* Introduce S0ix implementation */
-	if (hw->mac.type >= e1000_pch_cnp &&
-	    !e1000e_check_me(hw->adapter->pdev->device))
-		e1000e_s0ix_entry_flow(adapter);
+	} else {
+		/* Introduce S0ix implementation */
+		if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS)
+			e1000e_s0ix_entry_flow(adapter);
+	}
 
 	return rc;
 }
···
 	struct net_device *netdev = pci_get_drvdata(to_pci_dev(dev));
 	struct e1000_adapter *adapter = netdev_priv(netdev);
 	struct pci_dev *pdev = to_pci_dev(dev);
-	struct e1000_hw *hw = &adapter->hw;
 	int rc;
 
 	/* Introduce S0ix implementation */
-	if (hw->mac.type >= e1000_pch_cnp &&
-	    !e1000e_check_me(hw->adapter->pdev->device))
+	if (adapter->flags2 & FLAG2_ENABLE_S0IX_FLOWS)
 		e1000e_s0ix_exit_flow(adapter);
 
 	rc = __e1000_resume(pdev);
···
 	 */
 	if (!(adapter->flags & FLAG_HAS_AMT))
 		e1000e_get_hw_control(adapter);
+
+	if (hw->mac.type >= e1000_pch_cnp)
+		adapter->flags2 |= FLAG2_ENABLE_S0IX_FLOWS;
 
 	strlcpy(netdev->name, "eth%d", sizeof(netdev->name));
 	err = register_netdev(netdev);

drivers/net/ethernet/intel/i40e/i40e.h

···
 	__I40E_RESET_INTR_RECEIVED,
 	__I40E_REINIT_REQUESTED,
 	__I40E_PF_RESET_REQUESTED,
+	__I40E_PF_RESET_AND_REBUILD_REQUESTED,
 	__I40E_CORE_RESET_REQUESTED,
 	__I40E_GLOBAL_RESET_REQUESTED,
 	__I40E_EMP_RESET_INTR_RECEIVED,
···
 };
 
 #define I40E_PF_RESET_FLAG	BIT_ULL(__I40E_PF_RESET_REQUESTED)
+#define I40E_PF_RESET_AND_REBUILD_FLAG	\
+	BIT_ULL(__I40E_PF_RESET_AND_REBUILD_REQUESTED)
 
 /* VSI state flags */
 enum i40e_vsi_state_t {

drivers/net/ethernet/intel/i40e/i40e_main.c

···
 static void i40e_determine_queue_usage(struct i40e_pf *pf);
 static int i40e_setup_pf_filter_control(struct i40e_pf *pf);
 static void i40e_prep_for_reset(struct i40e_pf *pf, bool lock_acquired);
+static void i40e_reset_and_rebuild(struct i40e_pf *pf, bool reinit,
+				   bool lock_acquired);
 static int i40e_reset(struct i40e_pf *pf);
 static void i40e_rebuild(struct i40e_pf *pf, bool reinit, bool lock_acquired);
 static int i40e_setup_misc_vector_for_recovery_mode(struct i40e_pf *pf);
···
 			 pf->flags & I40E_FLAG_DISABLE_FW_LLDP ?
 			 "FW LLDP is disabled\n" :
 			 "FW LLDP is enabled\n");
+
+	} else if (reset_flags & I40E_PF_RESET_AND_REBUILD_FLAG) {
+		/* Request a PF Reset
+		 *
+		 * Resets PF and reinitializes PFs VSI.
+		 */
+		i40e_prep_for_reset(pf, lock_acquired);
+		i40e_reset_and_rebuild(pf, true, lock_acquired);
 
 	} else if (reset_flags & BIT_ULL(__I40E_REINIT_REQUESTED)) {
 		int v;

drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c

···
 	if (num_vfs) {
 		if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) {
 			pf->flags |= I40E_FLAG_VEB_MODE_ENABLED;
-			i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
+			i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG);
 		}
 		ret = i40e_pci_sriov_enable(pdev, num_vfs);
 		goto sriov_configure_out;
···
 	if (!pci_vfs_assigned(pf->pdev)) {
 		i40e_free_vfs(pf);
 		pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED;
-		i40e_do_reset_safe(pf, I40E_PF_RESET_FLAG);
+		i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG);
 	} else {
 		dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
 		ret = -EINVAL;

drivers/net/ethernet/intel/iavf/iavf_main.c

···
 	netif_tx_stop_all_queues(netdev);
 	if (CLIENT_ALLOWED(adapter)) {
 		err = iavf_lan_add_device(adapter);
-		if (err) {
-			rtnl_unlock();
+		if (err)
 			dev_info(&pdev->dev, "Failed to add VF to client API service list: %d\n",
 				 err);
-		}
 	}
 	dev_info(&pdev->dev, "MAC address: %pM\n", adapter->hw.mac.addr);
 	if (netdev->features & NETIF_F_GRO)

drivers/net/ethernet/marvell/mvneta.c

···
 	err = mvneta_port_power_up(pp, pp->phy_interface);
 	if (err < 0) {
 		dev_err(&pdev->dev, "can't power up port\n");
-		return err;
+		goto err_netdev;
 	}
 
 	/* Armada3700 network controller does not support per-cpu

drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

···
 
 	regmap_read(priv->sysctrl_base, GENCONF_CTRL0, &val);
 	if (port->gop_id == 2)
-		val |= GENCONF_CTRL0_PORT0_RGMII | GENCONF_CTRL0_PORT1_RGMII;
+		val |= GENCONF_CTRL0_PORT0_RGMII;
 	else if (port->gop_id == 3)
 		val |= GENCONF_CTRL0_PORT1_RGMII_MII;
 	regmap_write(priv->sysctrl_base, GENCONF_CTRL0, val);
···
 static void mvpp2_tx_pkts_coal_set(struct mvpp2_port *port,
 				   struct mvpp2_tx_queue *txq)
 {
-	unsigned int thread = mvpp2_cpu_to_thread(port->priv, get_cpu());
+	unsigned int thread;
 	u32 val;
 
 	if (txq->done_pkts_coal > MVPP2_TXQ_THRESH_MASK)
 		txq->done_pkts_coal = MVPP2_TXQ_THRESH_MASK;
 
 	val = (txq->done_pkts_coal << MVPP2_TXQ_THRESH_OFFSET);
-	mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_NUM_REG, txq->id);
-	mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_THRESH_REG, val);
-
-	put_cpu();
+	/* PKT-coalescing registers are per-queue + per-thread */
+	for (thread = 0; thread < MVPP2_MAX_THREADS; thread++) {
+		mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_NUM_REG, txq->id);
+		mvpp2_thread_write(port->priv, thread, MVPP2_TXQ_THRESH_REG, val);
+	}
 }
 
 static u32 mvpp2_usec_to_cycles(u32 usec, unsigned long clk_hz)
···
 	struct mvpp2 *priv = port->priv;
 	struct mvpp2_txq_pcpu *txq_pcpu;
 	unsigned int thread;
-	int queue, err;
+	int queue, err, val;
 
 	/* Checks for hardware constraints */
 	if (port->first_rxq + port->nrxqs >
···
 	/* Disable port */
 	mvpp2_egress_disable(port);
 	mvpp2_port_disable(port);
+
+	if (mvpp2_is_xlg(port->phy_interface)) {
+		val = readl(port->base + MVPP22_XLG_CTRL0_REG);
+		val &= ~MVPP22_XLG_CTRL0_FORCE_LINK_PASS;
+		val |= MVPP22_XLG_CTRL0_FORCE_LINK_DOWN;
+		writel(val, port->base + MVPP22_XLG_CTRL0_REG);
+	} else {
+		val = readl(port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+		val &= ~MVPP2_GMAC_FORCE_LINK_PASS;
+		val |= MVPP2_GMAC_FORCE_LINK_DOWN;
+		writel(val, port->base + MVPP2_GMAC_AUTONEG_CONFIG);
+	}
 
 	port->tx_time_coal = MVPP2_TXDONE_COAL_USEC;
 

drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c

···
 	return -EINVAL;
 }
 
+/* Drop flow control pause frames */
+static void mvpp2_prs_drop_fc(struct mvpp2 *priv)
+{
+	unsigned char da[ETH_ALEN] = { 0x01, 0x80, 0xC2, 0x00, 0x00, 0x01 };
+	struct mvpp2_prs_entry pe;
+	unsigned int len;
+
+	memset(&pe, 0, sizeof(pe));
+
+	/* For all ports - drop flow control frames */
+	pe.index = MVPP2_PE_FC_DROP;
+	mvpp2_prs_tcam_lu_set(&pe, MVPP2_PRS_LU_MAC);
+
+	/* Set match on DA */
+	len = ETH_ALEN;
+	while (len--)
+		mvpp2_prs_tcam_data_byte_set(&pe, len, da[len], 0xff);
+
+	mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_DROP_MASK,
+				 MVPP2_PRS_RI_DROP_MASK);
+
+	mvpp2_prs_sram_bits_set(&pe, MVPP2_PRS_SRAM_LU_GEN_BIT, 1);
+	mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_FLOWS);
+
+	/* Mask all ports */
+	mvpp2_prs_tcam_port_map_set(&pe, MVPP2_PRS_PORT_MASK);
+
+	/* Update shadow table and hw entry */
+	mvpp2_prs_shadow_set(priv, pe.index, MVPP2_PRS_LU_MAC);
+	mvpp2_prs_hw_write(priv, &pe);
+}
+
 /* Enable/disable dropping all mac da's */
 static void mvpp2_prs_mac_drop_all_set(struct mvpp2 *priv, int port, bool add)
 {
···
 	mvpp2_prs_hw_write(priv, &pe);
 
 	/* Create dummy entries for drop all and promiscuous modes */
+	mvpp2_prs_drop_fc(priv);
 	mvpp2_prs_mac_drop_all_set(priv, 0, false);
 	mvpp2_prs_mac_promisc_set(priv, 0, MVPP2_PRS_L2_UNI_CAST, false);
 	mvpp2_prs_mac_promisc_set(priv, 0, MVPP2_PRS_L2_MULTI_CAST, false);
···
 	mvpp2_prs_sram_next_lu_set(&pe, MVPP2_PRS_LU_IP6);
 	mvpp2_prs_sram_ri_update(&pe, MVPP2_PRS_RI_L3_IP6,
 				 MVPP2_PRS_RI_L3_PROTO_MASK);
-	/* Skip eth_type + 4 bytes of IPv6 header */
-	mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 4,
+	/* Jump to DIP of IPV6 header */
+	mvpp2_prs_sram_shift_set(&pe, MVPP2_ETH_TYPE_LEN + 8 +
+				 MVPP2_MAX_L3_ADDR_SIZE,
 				 MVPP2_PRS_SRAM_OP_SEL_SHIFT_ADD);
 	/* Set L3 offset */
 	mvpp2_prs_sram_offset_set(&pe, MVPP2_PRS_SRAM_UDF_TYPE_L3,

drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.h

···
 #define MVPP2_PE_VID_EDSA_FLTR_DEFAULT	(MVPP2_PRS_TCAM_SRAM_SIZE - 7)
 #define MVPP2_PE_VLAN_DBL		(MVPP2_PRS_TCAM_SRAM_SIZE - 6)
 #define MVPP2_PE_VLAN_NONE		(MVPP2_PRS_TCAM_SRAM_SIZE - 5)
-/* reserved */
+#define MVPP2_PE_FC_DROP		(MVPP2_PRS_TCAM_SRAM_SIZE - 4)
 #define MVPP2_PE_MAC_MC_PROMISCUOUS	(MVPP2_PRS_TCAM_SRAM_SIZE - 3)
 #define MVPP2_PE_MAC_UC_PROMISCUOUS	(MVPP2_PRS_TCAM_SRAM_SIZE - 2)
 #define MVPP2_PE_MAC_NON_PROMISCUOUS	(MVPP2_PRS_TCAM_SRAM_SIZE - 1)

drivers/net/ethernet/pensando/ionic/ionic_txrx.c

···
 	unsigned int i, j;
 	unsigned int len;
 
-	len = netdev->mtu + ETH_HLEN;
+	len = netdev->mtu + ETH_HLEN + VLAN_HLEN;
 	nfrags = round_up(len, PAGE_SIZE) / PAGE_SIZE;
 
 	for (i = ionic_q_space_avail(q); i; i--) {

drivers/net/ethernet/qlogic/qede/qede_fp.c

···
 			      ntohs(udp_hdr(skb)->dest) != gnv_port))
 				return features & ~(NETIF_F_CSUM_MASK |
 						    NETIF_F_GSO_MASK);
+		} else if (l4_proto == IPPROTO_IPIP) {
+			/* IPIP tunnels are unknown to the device or at least unsupported natively,
+			 * offloads for them can't be done trivially, so disable them for such skb.
+			 */
+			return features & ~(NETIF_F_CSUM_MASK | NETIF_F_GSO_MASK);
 		}
 	}
 

drivers/net/ethernet/realtek/r8169_main.c

···
 	}
 
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
+	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
+	case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_37:
 	case RTL_GIGA_MAC_VER_39:
 	case RTL_GIGA_MAC_VER_43:
···
 static void rtl_pll_power_up(struct rtl8169_private *tp)
 {
 	switch (tp->mac_version) {
-	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_33:
+	case RTL_GIGA_MAC_VER_25 ... RTL_GIGA_MAC_VER_26:
+	case RTL_GIGA_MAC_VER_32 ... RTL_GIGA_MAC_VER_33:
 	case RTL_GIGA_MAC_VER_37:
 	case RTL_GIGA_MAC_VER_39:
 	case RTL_GIGA_MAC_VER_43:

drivers/net/ethernet/stmicro/stmmac/dwmac-intel.c

···
 #define PCI_DEVICE_ID_INTEL_EHL_PSE1_RGMII1G_ID		0x4bb0
 #define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII1G_ID		0x4bb1
 #define PCI_DEVICE_ID_INTEL_EHL_PSE1_SGMII2G5_ID	0x4bb2
+#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_0_ID		0x43ac
+#define PCI_DEVICE_ID_INTEL_TGLH_SGMII1G_1_ID		0x43a2
 #define PCI_DEVICE_ID_INTEL_TGL_SGMII1G_ID		0xa0ac
 
 static const struct pci_device_id intel_eth_pci_id_table[] = {
···
 	{ PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII1G_ID, &ehl_pse1_sgmii1g_info) },
 	{ PCI_DEVICE_DATA(INTEL, EHL_PSE1_SGMII2G5_ID, &ehl_pse1_sgmii1g_info) },
 	{ PCI_DEVICE_DATA(INTEL, TGL_SGMII1G_ID, &tgl_sgmii1g_info) },
+	{ PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_0_ID, &tgl_sgmii1g_info) },
+	{ PCI_DEVICE_DATA(INTEL, TGLH_SGMII1G_1_ID, &tgl_sgmii1g_info) },
 	{}
 };
 MODULE_DEVICE_TABLE(pci, intel_eth_pci_id_table);

drivers/net/ethernet/stmicro/stmmac/dwmac-meson8b.c

···
 	struct device *dev = dwmac->dev;
 	static const struct clk_parent_data mux_parents[] = {
 		{ .fw_name = "clkin0", },
-		{ .fw_name = "clkin1", },
+		{ .index = -1, },
 	};
 	static const struct clk_div_table div_table[] = {
 		{ .div = 2, .val = 2, },

drivers/net/ethernet/ti/cpts.c

···
 
 	ptp_clock_unregister(cpts->clock);
 	cpts->clock = NULL;
+	cpts->phc_index = -1;
 
 	cpts_write32(cpts, 0, int_enable);
 	cpts_write32(cpts, 0, control);
···
 	cpts->cc.read = cpts_systim_read;
 	cpts->cc.mask = CLOCKSOURCE_MASK(32);
 	cpts->info = cpts_info;
+	cpts->phc_index = -1;
 
 	if (n_ext_ts)
 		cpts->info.n_ext_ts = n_ext_ts;

drivers/net/ipa/gsi.c

···
 }
 
 /* Issue an event ring command and wait for it to complete */
-static int evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
-			    enum gsi_evt_cmd_opcode opcode)
+static void evt_ring_command(struct gsi *gsi, u32 evt_ring_id,
+			     enum gsi_evt_cmd_opcode opcode)
 {
 	struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
 	struct completion *completion = &evt_ring->completion;
···
 	 * is issued here.  Only permit *this* event ring to trigger
 	 * an interrupt, and only enable the event control IRQ type
 	 * when we expect it to occur.
+	 *
+	 * There's a small chance that a previous command completed
+	 * after the interrupt was disabled, so make sure we have no
+	 * pending interrupts before we enable them.
 	 */
+	iowrite32(~0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_CLR_OFFSET);
+
 	val = BIT(evt_ring_id);
 	iowrite32(val, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET);
 	gsi_irq_type_enable(gsi, GSI_EV_CTRL);
···
 	iowrite32(0, gsi->virt + GSI_CNTXT_SRC_EV_CH_IRQ_MSK_OFFSET);
 
 	if (success)
-		return 0;
+		return;
 
 	dev_err(dev, "GSI command %u for event ring %u timed out, state %u\n",
 		opcode, evt_ring_id, evt_ring->state);
-
-	return -ETIMEDOUT;
 }
 
 /* Allocate an event ring in NOT_ALLOCATED state */
 static int gsi_evt_ring_alloc_command(struct gsi *gsi, u32 evt_ring_id)
 {
 	struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
-	int ret;
 
 	/* Get initial event ring state */
 	evt_ring->state = gsi_evt_ring_state(gsi, evt_ring_id);
···
 		return -EINVAL;
 	}
 
-	ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE);
-	if (!ret && evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) {
-		dev_err(gsi->dev, "event ring %u bad state %u after alloc\n",
-			evt_ring_id, evt_ring->state);
-		ret = -EIO;
-	}
+	evt_ring_command(gsi, evt_ring_id, GSI_EVT_ALLOCATE);
 
-	return ret;
+	/* If successful the event ring state will have changed */
+	if (evt_ring->state == GSI_EVT_RING_STATE_ALLOCATED)
+		return 0;
+
+	dev_err(gsi->dev, "event ring %u bad state %u after alloc\n",
+		evt_ring_id, evt_ring->state);
+
+	return -EIO;
 }
 
 /* Reset a GSI event ring in ALLOCATED or ERROR state. */
···
 {
 	struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
 	enum gsi_evt_ring_state state = evt_ring->state;
-	int ret;
 
 	if (state != GSI_EVT_RING_STATE_ALLOCATED &&
 	    state != GSI_EVT_RING_STATE_ERROR) {
···
 		return;
 	}
 
-	ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET);
-	if (!ret && evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED)
-		dev_err(gsi->dev, "event ring %u bad state %u after reset\n",
-			evt_ring_id, evt_ring->state);
+	evt_ring_command(gsi, evt_ring_id, GSI_EVT_RESET);
+
+	/* If successful the event ring state will have changed */
+	if (evt_ring->state == GSI_EVT_RING_STATE_ALLOCATED)
+		return;
+
+	dev_err(gsi->dev, "event ring %u bad state %u after reset\n",
+		evt_ring_id, evt_ring->state);
 }
 
 /* Issue a hardware de-allocation request for an allocated event ring */
 static void gsi_evt_ring_de_alloc_command(struct gsi *gsi, u32 evt_ring_id)
 {
 	struct gsi_evt_ring *evt_ring = &gsi->evt_ring[evt_ring_id];
-	int ret;
 
 	if (evt_ring->state != GSI_EVT_RING_STATE_ALLOCATED) {
 		dev_err(gsi->dev, "event ring %u state %u before dealloc\n",
···
 		return;
 	}
 
-	ret = evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC);
-	if (!ret && evt_ring->state != GSI_EVT_RING_STATE_NOT_ALLOCATED)
-		dev_err(gsi->dev, "event ring %u bad state %u after dealloc\n",
-			evt_ring_id, evt_ring->state);
+	evt_ring_command(gsi, evt_ring_id, GSI_EVT_DE_ALLOC);
+
+	/* If successful the event ring state will have changed */
+	if (evt_ring->state == GSI_EVT_RING_STATE_NOT_ALLOCATED)
+		return;
+
+	dev_err(gsi->dev, "event ring %u bad state %u after dealloc\n",
+		evt_ring_id, evt_ring->state);
 }
 
 /* Fetch the current state of a channel from hardware */
···
 }
 
 /* Issue a channel command and wait for it to complete */
-static int
+static void
 gsi_channel_command(struct gsi_channel *channel, enum gsi_ch_cmd_opcode opcode)
 {
 	struct completion *completion = &channel->completion;
···
 	 * issued here.  So we only permit *this* channel to trigger
 	 * an interrupt and only enable the channel control IRQ type
 	 * when we expect it to occur.
+	 *
+	 * There's a small chance that a previous command completed
+	 * after the interrupt was disabled, so make sure we have no
+	 * pending interrupts before we enable them.
 	 */
+	iowrite32(~0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_CLR_OFFSET);
+
 	val = BIT(channel_id);
 	iowrite32(val, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET);
 	gsi_irq_type_enable(gsi, GSI_CH_CTRL);
···
 	iowrite32(0, gsi->virt + GSI_CNTXT_SRC_CH_IRQ_MSK_OFFSET);
 
 	if (success)
-		return 0;
+		return;
 
 	dev_err(dev, "GSI command %u for channel %u timed out, state %u\n",
 		opcode, channel_id, gsi_channel_state(channel));
-
-	return -ETIMEDOUT;
 }
 
 /* Allocate GSI channel in NOT_ALLOCATED state */
···
 	struct gsi_channel *channel = &gsi->channel[channel_id];
 	struct device *dev = gsi->dev;
 	enum gsi_channel_state state;
-	int ret;
 
 	/* Get initial channel state */
 	state = gsi_channel_state(channel);
···
 		return -EINVAL;
 	}
 
-	ret = gsi_channel_command(channel, GSI_CH_ALLOCATE);
+	gsi_channel_command(channel, GSI_CH_ALLOCATE);
 
-	/* Channel state will normally have been updated */
+	/* If successful the channel state will have changed */
 	state = gsi_channel_state(channel);
-	if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED) {
-		dev_err(dev, "channel %u bad state %u after alloc\n",
-			channel_id, state);
-		ret = -EIO;
-	}
+	if (state == GSI_CHANNEL_STATE_ALLOCATED)
+		return 0;
 
-	return ret;
+	dev_err(dev, "channel %u bad state %u after alloc\n",
+		channel_id, state);
+
+	return -EIO;
 }
 
 /* Start an ALLOCATED channel */
···
 {
 	struct device *dev = channel->gsi->dev;
 	enum gsi_channel_state state;
-	int ret;
 
 	state = gsi_channel_state(channel);
 	if (state != GSI_CHANNEL_STATE_ALLOCATED &&
···
 		return -EINVAL;
 	}
 
-	ret = gsi_channel_command(channel, GSI_CH_START);
+	gsi_channel_command(channel, GSI_CH_START);
 
-	/* Channel state will normally have been updated */
+	/* If successful the channel state will have changed */
 	state = gsi_channel_state(channel);
-	if (!ret && state != GSI_CHANNEL_STATE_STARTED) {
-		dev_err(dev, "channel %u bad state %u after start\n",
-			gsi_channel_id(channel), state);
-		ret = -EIO;
-	}
+	if (state == GSI_CHANNEL_STATE_STARTED)
+		return 0;
 
-	return ret;
+	dev_err(dev, "channel %u bad state %u after start\n",
+		gsi_channel_id(channel), state);
+
+	return -EIO;
 }
 
 /* Stop a GSI channel in STARTED state */
···
 {
 	struct device *dev = channel->gsi->dev;
 	enum gsi_channel_state state;
-	int ret;
 
 	state = gsi_channel_state(channel);
 
···
 		return -EINVAL;
 	}
 
-	ret = gsi_channel_command(channel, GSI_CH_STOP);
+	gsi_channel_command(channel, GSI_CH_STOP);
 
-	/* Channel state will normally have been updated */
+	/* If successful the channel state will have changed */
 	state = gsi_channel_state(channel);
-	if (ret || state == GSI_CHANNEL_STATE_STOPPED)
-		return ret;
+	if (state == GSI_CHANNEL_STATE_STOPPED)
+		return 0;
 
 	/* We may have to try again if stop is in progress */
 	if (state == GSI_CHANNEL_STATE_STOP_IN_PROC)
···
 {
 	struct device *dev = channel->gsi->dev;
 	enum gsi_channel_state state;
-	int ret;
 
 	msleep(1);	/* A short delay is required before a RESET command */
 
···
 		return;
 	}
 
-	ret = gsi_channel_command(channel, GSI_CH_RESET);
+	gsi_channel_command(channel, GSI_CH_RESET);
 
-	/* Channel state will normally have been updated */
+	/* If successful the channel state will have changed */
 	state = gsi_channel_state(channel);
-	if (!ret && state != GSI_CHANNEL_STATE_ALLOCATED)
+	if (state != GSI_CHANNEL_STATE_ALLOCATED)
 		dev_err(dev, "channel %u bad state %u after reset\n",
 			gsi_channel_id(channel), state);
 }
···
 	struct gsi_channel *channel = &gsi->channel[channel_id];
 	struct device *dev = gsi->dev;
 	enum gsi_channel_state state;
-	int ret;
 
 	state = gsi_channel_state(channel);
 	if (state != GSI_CHANNEL_STATE_ALLOCATED) {
···
 		return;
 	}
 
-	ret = gsi_channel_command(channel, GSI_CH_DE_ALLOC);
+	gsi_channel_command(channel, GSI_CH_DE_ALLOC);
 
-	/* Channel state will normally have been updated */
+	/* If successful the channel state will have changed */
 	state = gsi_channel_state(channel);
-	if (!ret && state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
+
+	if (state != GSI_CHANNEL_STATE_NOT_ALLOCATED)
 		dev_err(dev, "channel %u bad state %u after dealloc\n",
 			channel_id, state);
 }

drivers/net/ipa/ipa_clock.c

···
 		return ret;
 
 	data = &clock->interconnect_data[IPA_INTERCONNECT_IMEM];
-	ret = icc_set_bw(clock->memory_path, data->average_rate,
+	ret = icc_set_bw(clock->imem_path, data->average_rate,
 			 data->peak_rate);
 	if (ret)
 		goto err_memory_path_disable;
 
 	data = &clock->interconnect_data[IPA_INTERCONNECT_CONFIG];
-	ret = icc_set_bw(clock->memory_path, data->average_rate,
+	ret = icc_set_bw(clock->config_path, data->average_rate,
 			 data->peak_rate);
 	if (ret)
 		goto err_imem_path_disable;

drivers/net/tun.c

···
 	int i;
 
 	if (it->nr_segs > MAX_SKB_FRAGS + 1)
-		return ERR_PTR(-ENOMEM);
+		return ERR_PTR(-EMSGSIZE);
 
 	local_bh_disable();
 	skb = napi_get_frags(&tfile->napi);

drivers/net/usb/cdc_ncm.c

···
 		 * USB_CDC_NOTIFY_NETWORK_CONNECTION notification shall be
 		 * sent by device after USB_CDC_NOTIFY_SPEED_CHANGE.
 		 */
-		netif_info(dev, link, dev->net,
-			   "network connection: %sconnected\n",
-			   !!event->wValue ? "" : "dis");
 		usbnet_link_change(dev, !!event->wValue, 0);
 		break;
 

drivers/net/usb/qmi_wwan.c

···
 	{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0125)},	/* Quectel EC25, EC20 R2.0  Mini PCIe */
 	{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0306)},	/* Quectel EP06/EG06/EM06 */
 	{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0512)},	/* Quectel EG12/EM12 */
+	{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0620)},	/* Quectel EM160R-GL */
 	{QMI_MATCH_FF_FF_FF(0x2c7c, 0x0800)},	/* Quectel RM500Q-GL */
 
 	/* 3. Combined interface devices matching on interface number */

drivers/net/virtio_net.c

···
 
 	get_online_cpus();
 	err = _virtnet_set_queues(vi, queue_pairs);
-	if (!err) {
-		netif_set_real_num_tx_queues(dev, queue_pairs);
-		netif_set_real_num_rx_queues(dev, queue_pairs);
-
-		virtnet_set_affinity(vi);
+	if (err) {
+		put_online_cpus();
+		goto err;
 	}
+	virtnet_set_affinity(vi);
 	put_online_cpus();
 
+	netif_set_real_num_tx_queues(dev, queue_pairs);
+	netif_set_real_num_rx_queues(dev, queue_pairs);
+ err:
 	return err;
 }
 

drivers/net/wan/hdlc_ppp.c

···
 	unsigned long flags;
 
 	spin_lock_irqsave(&ppp->lock, flags);
+	/* mod_timer could be called after we entered this function but
+	 * before we got the lock.
+	 */
+	if (timer_pending(&proto->timer)) {
+		spin_unlock_irqrestore(&ppp->lock, flags);
+		return;
+	}
 	switch (proto->state) {
 	case STOPPING:
 	case REQ_SENT:

drivers/net/wireless/ath/ath11k/core.c

···
 	ath11k_hif_ce_irq_disable(ab);
 
 	ret = ath11k_hif_suspend(ab);
-	if (!ret) {
+	if (ret) {
 		ath11k_warn(ab, "failed to suspend hif: %d\n", ret);
 		return ret;
 	}

drivers/net/wireless/ath/ath11k/dp_rx.c

···
 {
 	u8 channel_num;
 	u32 center_freq;
+	struct ieee80211_channel *channel;
 
 	rx_status->freq = 0;
 	rx_status->rate_idx = 0;
···
 		rx_status->band = NL80211_BAND_5GHZ;
 	} else {
 		spin_lock_bh(&ar->data_lock);
-		rx_status->band = ar->rx_channel->band;
-		channel_num =
-			ieee80211_frequency_to_channel(ar->rx_channel->center_freq);
+		channel = ar->rx_channel;
+		if (channel) {
+			rx_status->band = channel->band;
+			channel_num =
+				ieee80211_frequency_to_channel(channel->center_freq);
+		}
 		spin_unlock_bh(&ar->data_lock);
 		ath11k_dbg_dump(ar->ab, ATH11K_DBG_DATA, NULL, "rx_desc: ",
 				rx_desc, sizeof(struct hal_rx_desc));

drivers/net/wireless/ath/ath11k/mac.c

···
 	}
 
 	if (ab->hw_params.vdev_start_delay &&
+	    !arvif->is_started &&
 	    arvif->vdev_type != WMI_VDEV_TYPE_AP) {
 		ret = ath11k_start_vdev_delay(ar->hw, vif);
 		if (ret) {
···
 	/* for QCA6390 bss peer must be created before vdev_start */
 	if (ab->hw_params.vdev_start_delay &&
 	    arvif->vdev_type != WMI_VDEV_TYPE_AP &&
-	    arvif->vdev_type != WMI_VDEV_TYPE_MONITOR) {
+	    arvif->vdev_type != WMI_VDEV_TYPE_MONITOR &&
+	    !ath11k_peer_find_by_vdev_id(ab, arvif->vdev_id)) {
 		memcpy(&arvif->chanctx, ctx, sizeof(*ctx));
 		ret = 0;
 		goto out;
···
 		goto out;
 	}
 
-	if (ab->hw_params.vdev_start_delay) {
+	if (ab->hw_params.vdev_start_delay &&
+	    (arvif->vdev_type == WMI_VDEV_TYPE_AP ||
+	    arvif->vdev_type == WMI_VDEV_TYPE_MONITOR)) {
 		param.vdev_id = arvif->vdev_id;
 		param.peer_type = WMI_PEER_TYPE_DEFAULT;
 		param.peer_addr = ar->mac_addr;

drivers/net/wireless/ath/ath11k/pci.c

···
 				      PCIE_QSERDES_COM_SYSCLK_EN_SEL_REG,
 				      PCIE_QSERDES_COM_SYSCLK_EN_SEL_VAL,
 				      PCIE_QSERDES_COM_SYSCLK_EN_SEL_MSK);
-	if (!ret) {
+	if (ret) {
 		ath11k_warn(ab, "failed to set sysclk: %d\n", ret);
 		return ret;
 	}
···
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG1_REG,
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG1_VAL,
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG_MSK);
-	if (!ret) {
+	if (ret) {
 		ath11k_warn(ab, "failed to set dtct config1 error: %d\n", ret);
 		return ret;
 	}
···
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG2_REG,
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG2_VAL,
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG_MSK);
-	if (!ret) {
+	if (ret) {
 		ath11k_warn(ab, "failed to set dtct config2: %d\n", ret);
 		return ret;
 	}
···
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG4_REG,
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG4_VAL,
 				      PCIE_USB3_PCS_MISC_OSC_DTCT_CONFIG_MSK);
-	if (!ret) {
+	if (ret) {
 		ath11k_warn(ab, "failed to set dtct config4: %d\n", ret);
 		return ret;
 	}
···
 		pci_disable_device(pci_dev);
 }
 
+static void ath11k_pci_aspm_disable(struct ath11k_pci *ab_pci)
+{
+	struct ath11k_base *ab = ab_pci->ab;
+
+	pcie_capability_read_word(ab_pci->pdev, PCI_EXP_LNKCTL,
+				  &ab_pci->link_ctl);
+
+	ath11k_dbg(ab, ATH11K_DBG_PCI, "pci link_ctl 0x%04x L0s %d L1 %d\n",
+		   ab_pci->link_ctl,
+		   u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L0S),
+		   u16_get_bits(ab_pci->link_ctl, PCI_EXP_LNKCTL_ASPM_L1));
+
+	/* disable L0s and L1 */
+	pcie_capability_write_word(ab_pci->pdev, PCI_EXP_LNKCTL,
+				   ab_pci->link_ctl & ~PCI_EXP_LNKCTL_ASPMC);
+
+	set_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags);
+}
+
+static void ath11k_pci_aspm_restore(struct ath11k_pci *ab_pci)
+{
+	if (test_and_clear_bit(ATH11K_PCI_ASPM_RESTORE, &ab_pci->flags))
+		pcie_capability_write_word(ab_pci->pdev, PCI_EXP_LNKCTL,
+					   ab_pci->link_ctl);
+}
+
 static int ath11k_pci_power_up(struct ath11k_base *ab)
 {
 	struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
···
 	ab_pci->register_window = 0;
 	clear_bit(ATH11K_PCI_FLAG_INIT_DONE, &ab_pci->flags);
 	ath11k_pci_sw_reset(ab_pci->ab, true);
+
+	/* Disable ASPM during firmware download due to problems switching
+	 * to AMSS state.
+	 */
+	ath11k_pci_aspm_disable(ab_pci);
 
 	ret = ath11k_mhi_start(ab_pci);
 	if (ret) {
···
 static void ath11k_pci_power_down(struct ath11k_base *ab)
 {
 	struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
+
+	/* restore aspm in case firmware bootup fails */
+	ath11k_pci_aspm_restore(ab_pci);
 
 	ath11k_pci_force_wake(ab_pci->ab);
 	ath11k_mhi_stop(ab_pci);
···
 	struct ath11k_pci *ab_pci = ath11k_pci_priv(ab);
 
 	set_bit(ATH11K_PCI_FLAG_INIT_DONE, &ab_pci->flags);
+
+	ath11k_pci_aspm_restore(ab_pci);
 
 	ath11k_pci_ce_irqs_enable(ab);
 	ath11k_ce_rx_post_buf(ab);

drivers/net/wireless/ath/ath11k/pci.h

···
 enum ath11k_pci_flags {
 	ATH11K_PCI_FLAG_INIT_DONE,
 	ATH11K_PCI_FLAG_IS_MSI_64,
+	ATH11K_PCI_ASPM_RESTORE,
 };
 
 struct ath11k_pci {
···
 
 	/* enum ath11k_pci_flags */
 	unsigned long flags;
+	u16 link_ctl;
 };
 
 static inline struct ath11k_pci *ath11k_pci_priv(struct ath11k_base *ab)

drivers/net/wireless/ath/ath11k/peer.c

···
 	return NULL;
 }
 
+struct ath11k_peer *ath11k_peer_find_by_vdev_id(struct ath11k_base *ab,
+						int vdev_id)
+{
+	struct ath11k_peer *peer;
+
+	spin_lock_bh(&ab->base_lock);
+
+	list_for_each_entry(peer, &ab->peers, list) {
+		if (vdev_id == peer->vdev_id) {
+			spin_unlock_bh(&ab->base_lock);
+			return peer;
+		}
+	}
+	spin_unlock_bh(&ab->base_lock);
+	return NULL;
+}
+
 void ath11k_peer_unmap_event(struct ath11k_base *ab, u16 peer_id)
 {
 	struct ath11k_peer *peer;

drivers/net/wireless/ath/ath11k/peer.h

···
 		       struct ieee80211_sta *sta, struct peer_create_params *param);
 int ath11k_wait_for_peer_delete_done(struct ath11k *ar, u32 vdev_id,
 				     const u8 *addr);
+struct ath11k_peer *ath11k_peer_find_by_vdev_id(struct ath11k_base *ab,
+						int vdev_id);
 
 #endif /* _PEER_H_ */

drivers/net/wireless/ath/ath11k/qmi.c

···
 	struct qmi_wlanfw_respond_mem_resp_msg_v01 resp;
 	struct qmi_txn txn = {};
 	int ret = 0, i;
+	bool delayed;
 
 	req = kzalloc(sizeof(*req), GFP_KERNEL);
 	if (!req)
···
 	 * failure to FW and FW will then request mulitple blocks of small
 	 * chunk size memory.
 	 */
-	if (!ab->bus_params.fixed_mem_region && ab->qmi.mem_seg_count <= 2) {
+	if (!ab->bus_params.fixed_mem_region && ab->qmi.target_mem_delayed) {
+		delayed = true;
 		ath11k_dbg(ab, ATH11K_DBG_QMI, "qmi delays mem_request %d\n",
 			   ab->qmi.mem_seg_count);
 		memset(req, 0, sizeof(*req));
 	} else {
+		delayed = false;
 		req->mem_seg_len = ab->qmi.mem_seg_count;
 
 		for (i = 0; i < req->mem_seg_len ; i++) {
···
 	}
 
 	if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
+		/* the error response is expected when
+		 * target_mem_delayed is true.
+		 */
+		if (delayed && resp.resp.error == 0)
+			goto out;
+
 		ath11k_warn(ab, "Respond mem req failed, result: %d, err: %d\n",
 			    resp.resp.result, resp.resp.error);
 		ret = -EINVAL;
···
 	int i;
 	struct target_mem_chunk *chunk;
 
+	ab->qmi.target_mem_delayed = false;
+
 	for (i = 0; i < ab->qmi.mem_seg_count; i++) {
 		chunk = &ab->qmi.target_mem[i];
 		chunk->vaddr = dma_alloc_coherent(ab->dev,
···
 						  &chunk->paddr,
 						  GFP_KERNEL);
 		if (!chunk->vaddr) {
+			if (ab->qmi.mem_seg_count <= 2) {
+				ath11k_dbg(ab, ATH11K_DBG_QMI,
+					   "qmi dma allocation failed (%d B type %u), will try later with small size\n",
+					    chunk->size,
+					    chunk->type);
+				ath11k_qmi_free_target_mem_chunk(ab);
+				ab->qmi.target_mem_delayed = true;
+				return 0;
+			}
 			ath11k_err(ab, "failed to alloc memory, size: 0x%x, type: %u\n",
 				   chunk->size,
 				   chunk->type);
···
 				    ret);
 			return;
 		}
-	} else if (msg->mem_seg_len > 2) {
+	} else {
 		ret = ath11k_qmi_alloc_target_mem_chunk(ab);
 		if (ret) {
 			ath11k_warn(ab, "qmi failed to alloc target memory: %d\n",

drivers/net/wireless/ath/ath11k/qmi.h

···
 	struct target_mem_chunk target_mem[ATH11K_QMI_WLANFW_MAX_NUM_MEM_SEG_V01];
 	u32 mem_seg_count;
 	u32 target_mem_mode;
+	bool target_mem_delayed;
 	u8 cal_done;
 	struct target_info target;
 	struct m3_mem_region m3_mem;

drivers/net/wireless/ath/ath11k/wmi.c

···
 	len = sizeof(*cmd);
 
 	skb = ath11k_wmi_alloc_skb(wmi_ab, len);
+	if (!skb)
+		return -ENOMEM;
+
 	cmd = (struct wmi_pdev_set_hw_mode_cmd_param *)skb->data;
 
 	cmd->tlv_header = FIELD_PREP(WMI_TLV_TAG, WMI_TAG_PDEV_SET_HW_MODE_CMD) |

drivers/net/wireless/mediatek/mt76/mt7915/init.c

···
 		.types = BIT(NL80211_IFTYPE_ADHOC)
 	}, {
 		.max = 16,
-		.types = BIT(NL80211_IFTYPE_AP) |
+		.types = BIT(NL80211_IFTYPE_AP)
 #ifdef CONFIG_MAC80211_MESH
-			 BIT(NL80211_IFTYPE_MESH_POINT)
+			 | BIT(NL80211_IFTYPE_MESH_POINT)
 #endif
 	}, {
 		.max = MT7915_MAX_INTERFACES,

drivers/net/wireless/mediatek/mt76/sdio.c

···
 
 static int mt76s_process_tx_queue(struct mt76_dev *dev, struct mt76_queue *q)
 {
-	bool wake, mcu = q == dev->q_mcu[MT_MCUQ_WM];
 	struct mt76_queue_entry entry;
 	int nframes = 0;
+	bool mcu;
 
+	if (!q)
+		return 0;
+
+	mcu = q == dev->q_mcu[MT_MCUQ_WM];
 	while (q->queued > 0) {
 		if (!q->entry[q->tail].done)
 			break;
···
 		nframes++;
 	}
 
-	wake = q->stopped && q->queued < q->ndesc - 8;
-	if (wake)
-		q->stopped = false;
-
 	if (!q->queued)
 		wake_up(&dev->tx_wait);
 
-	if (mcu)
-		goto out;
+	if (!mcu)
+		mt76_txq_schedule(&dev->phy, q->qid);
 
-	mt76_txq_schedule(&dev->phy, q->qid);
-
-	if (wake)
-		ieee80211_wake_queue(dev->hw, q->qid);
-out:
 	return nframes;
 }
 

drivers/net/wireless/mediatek/mt76/usb.c

···
 	struct mt76_dev *dev = container_of(usb, struct mt76_dev, usb);
 	struct mt76_queue_entry entry;
 	struct mt76_queue *q;
-	bool wake;
 	int i;
 
 	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
 		q = dev->phy.q_tx[i];
+		if (!q)
+			continue;
 
 		while (q->queued > 0) {
 			if (!q->entry[q->tail].done)
···
 			mt76_queue_tx_complete(dev, q, &entry);
 		}
 
-		wake = q->stopped && q->queued < q->ndesc - 8;
-		if (wake)
-			q->stopped = false;
-
 		if (!q->queued)
 			wake_up(&dev->tx_wait);
 
···
 		if (dev->drv->tx_status_data &&
 		    !test_and_set_bit(MT76_READING_STATS, &dev->phy.state))
 			queue_work(dev->wq, &dev->usb.stat_work);
-		if (wake)
-			ieee80211_wake_queue(dev->hw, i);
 	}
 }
 

drivers/net/wireless/realtek/rtlwifi/core.c

···
 
 	rtl_dbg(rtlpriv, COMP_ERR, DBG_LOUD,
 		"Firmware callback routine entered!\n");
-	complete(&rtlpriv->firmware_loading_complete);
 	if (!firmware) {
 		if (rtlpriv->cfg->alt_fw_name) {
 			err = request_firmware(&firmware,
···
 		}
 		pr_err("Selected firmware is not available\n");
 		rtlpriv->max_fw_size = 0;
-		return;
+		goto exit;
 	}
 found_alt:
 	if (firmware->size > rtlpriv->max_fw_size) {
 		pr_err("Firmware is too big!\n");
 		release_firmware(firmware);
-		return;
+		goto exit;
 	}
 	if (!is_wow) {
 		memcpy(rtlpriv->rtlhal.pfirmware, firmware->data,
···
 		rtlpriv->rtlhal.wowlan_fwsize = firmware->size;
 	}
 	release_firmware(firmware);
+
+exit:
+	complete(&rtlpriv->firmware_loading_complete);
 }
 
 void rtl_fw_cb(const struct firmware *firmware, void *context)

drivers/vhost/net.c

···
 	size_t len, total_len = 0;
 	int err;
 	struct vhost_net_ubuf_ref *ubufs;
+	struct ubuf_info *ubuf;
 	bool zcopy_used;
 	int sent_pkts = 0;
 
···
 
 		/* use msg_control to pass vhost zerocopy ubuf info to skb */
 		if (zcopy_used) {
-			struct ubuf_info *ubuf;
 			ubuf = nvq->ubuf_info + nvq->upend_idx;
-
 			vq->heads[nvq->upend_idx].id = cpu_to_vhost32(vq, head);
 			vq->heads[nvq->upend_idx].len = VHOST_DMA_IN_PROGRESS;
 			ubuf->callback = vhost_zerocopy_callback;
···
 		err = sock->ops->sendmsg(sock, &msg, len);
 		if (unlikely(err < 0)) {
 			if (zcopy_used) {
-				vhost_net_ubuf_put(ubufs);
+				if (vq->heads[ubuf->desc].len == VHOST_DMA_IN_PROGRESS)
+					vhost_net_ubuf_put(ubufs);
 				nvq->upend_idx = ((unsigned)nvq->upend_idx - 1)
 					% UIO_MAXIOV;
 			}

include/net/red.h

···
 	v->qcount	= -1;
 }
 
-static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog)
+static inline bool red_check_params(u32 qth_min, u32 qth_max, u8 Wlog, u8 Scell_log)
 {
 	if (fls(qth_min) + Wlog > 32)
 		return false;
 	if (fls(qth_max) + Wlog > 32)
+		return false;
+	if (Scell_log >= 32)
 		return false;
 	if (qth_max < qth_min)
 		return false;

include/net/xdp_sock.h

···
 
 	struct xsk_queue *tx ____cacheline_aligned_in_smp;
 	struct list_head tx_list;
-	/* Mutual exclusion of NAPI TX thread and sendmsg error paths
-	 * in the SKB destructor callback.
-	 */
-	spinlock_t tx_completion_lock;
 	/* Protects generic receive. */
 	spinlock_t rx_lock;
 

include/net/xsk_buff_pool.h

···
 	bool dma_need_sync;
 	bool unaligned;
 	void *addrs;
+	/* Mutual exclusion of the completion ring in the SKB mode. Two cases to protect:
+	 * NAPI TX thread and sendmsg error paths in the SKB destructor callback and when
+	 * sockets share a single cq when the same netdev and queue id is shared.
+	 */
+	spinlock_t cq_lock;
 	struct xdp_buff_xsk *free_heads[];
 };
 

include/uapi/linux/netfilter/nf_tables.h

···
  * @NFT_SET_EVAL: set can be updated from the evaluation path
  * @NFT_SET_OBJECT: set contains stateful objects
  * @NFT_SET_CONCAT: set contains a concatenation
+ * @NFT_SET_EXPR: set contains expressions
  */
 enum nft_set_flags {
 	NFT_SET_ANONYMOUS		= 0x1,
···
 	NFT_SET_EVAL			= 0x20,
 	NFT_SET_OBJECT			= 0x40,
 	NFT_SET_CONCAT			= 0x80,
+	NFT_SET_EXPR			= 0x100,
 };
 
 /**
···
 
 enum nft_dynset_flags {
 	NFT_DYNSET_F_INV	= (1 << 0),
+	NFT_DYNSET_F_EXPR	= (1 << 1),
 };
 
 /**

include/uapi/linux/ppp-ioctl.h

···
 #define PPPIOCGCHAN	_IOR('t', 55, int)	/* get ppp channel number */
 #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats)
 #define PPPIOCBRIDGECHAN _IOW('t', 53, int)	/* bridge one channel to another */
-#define PPPIOCUNBRIDGECHAN _IO('t', 54)	/* unbridge channel */
+#define PPPIOCUNBRIDGECHAN _IO('t', 52)	/* unbridge channel */
 
 #define SIOCGPPPSTATS   (SIOCDEVPRIVATE + 0)
 #define SIOCGPPPVER     (SIOCDEVPRIVATE + 1)	/* NEVER change this!! */

kernel/bpf/hashtab.c

···
 			lockdep_set_class(&htab->buckets[i].lock,
 					  &htab->lockdep_key);
 		}
+		cond_resched();
 	}
 }
 

kernel/bpf/syscall.c

···
 #include <linux/fs.h>
 #include <linux/license.h>
 #include <linux/filter.h>
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/idr.h>
 #include <linux/cred.h>

kernel/bpf/task_iter.c

···
 		if (!task) {
 			++*tid;
 			goto retry;
-		} else if (skip_if_dup_files && task->tgid != task->pid &&
+		} else if (skip_if_dup_files && !thread_group_leader(task) &&
 			   task->files == task->group_leader->files) {
 			put_task_struct(task);
 			task = NULL;
···
 		curr_task = info->task;
 		curr_fd = info->fd;
 	} else {
-		curr_task = task_seq_get_next(ns, &curr_tid, true);
-		if (!curr_task) {
-			info->task = NULL;
-			return NULL;
-		}
+                curr_task = task_seq_get_next(ns, &curr_tid, true);
+                if (!curr_task) {
+                        info->task = NULL;
+                        info->tid = curr_tid;
+                        return NULL;
+                }
 
-		/* set info->task and info->tid */
-		info->task = curr_task;
+                /* set info->task and info->tid */
 		if (curr_tid == info->tid) {
 			curr_fd = info->fd;
 		} else {

net/core/neighbour.c

···
 void pneigh_enqueue(struct neigh_table *tbl, struct neigh_parms *p,
 		    struct sk_buff *skb)
 {
-	unsigned long now = jiffies;
-
-	unsigned long sched_next = now + (prandom_u32() %
-					  NEIGH_VAR(p, PROXY_DELAY));
+	unsigned long sched_next = jiffies +
+			prandom_u32_max(NEIGH_VAR(p, PROXY_DELAY));
 
 	if (tbl->proxy_queue.qlen > NEIGH_VAR(p, PROXY_QLEN)) {
 		kfree_skb(skb);

net/core/net-sysfs.c

···
 static ssize_t xps_cpus_show(struct netdev_queue *queue,
 			     char *buf)
 {
+	int cpu, len, ret, num_tc = 1, tc = 0;
 	struct net_device *dev = queue->dev;
-	int cpu, len, num_tc = 1, tc = 0;
 	struct xps_dev_maps *dev_maps;
 	cpumask_var_t mask;
 	unsigned long index;
···
 
 	index = get_netdev_queue_index(queue);
 
+	if (!rtnl_trylock())
+		return restart_syscall();
+
 	if (dev->num_tc) {
 		/* Do not allow XPS on subordinate device directly */
 		num_tc = dev->num_tc;
-		if (num_tc < 0)
-			return -EINVAL;
+		if (num_tc < 0) {
+			ret = -EINVAL;
+			goto err_rtnl_unlock;
+		}
 
 		/* If queue belongs to subordinate dev use its map */
 		dev = netdev_get_tx_queue(dev, index)->sb_dev ? : dev;
 
 		tc = netdev_txq_to_tc(dev, index);
-		if (tc < 0)
-			return -EINVAL;
+		if (tc < 0) {
+			ret = -EINVAL;
+			goto err_rtnl_unlock;
+		}
 	}
 
-	if (!zalloc_cpumask_var(&mask, GFP_KERNEL))
-		return -ENOMEM;
+	if (!zalloc_cpumask_var(&mask, GFP_KERNEL)) {
+		ret = -ENOMEM;
+		goto err_rtnl_unlock;
+	}
 
 	rcu_read_lock();
 	dev_maps = rcu_dereference(dev->xps_cpus_map);
···
 	}
 	rcu_read_unlock();
 
+	rtnl_unlock();
+
 	len = snprintf(buf, PAGE_SIZE, "%*pb\n", cpumask_pr_args(mask));
 	free_cpumask_var(mask);
 	return len < PAGE_SIZE ? len : -EINVAL;
+
+err_rtnl_unlock:
+	rtnl_unlock();
+	return ret;
 }
 
 static ssize_t xps_cpus_store(struct netdev_queue *queue,
···
 		return err;
 	}
 
+	if (!rtnl_trylock()) {
+		free_cpumask_var(mask);
+		return restart_syscall();
+	}
+
 	err = netif_set_xps_queue(dev, mask, index);
+	rtnl_unlock();
 
 	free_cpumask_var(mask);
 
···
 
 static ssize_t xps_rxqs_show(struct netdev_queue *queue, char *buf)
 {
+	int j, len, ret, num_tc = 1, tc = 0;
 	struct net_device *dev = queue->dev;
 	struct xps_dev_maps *dev_maps;
 	unsigned long *mask, index;
-	int j, len, num_tc = 1, tc = 0;
 
 	index = get_netdev_queue_index(queue);
+
+	if (!rtnl_trylock())
+		return restart_syscall();
 
 	if (dev->num_tc) {
 		num_tc = dev->num_tc;
 		tc = netdev_txq_to_tc(dev, index);
-		if (tc < 0)
-			return -EINVAL;
+		if (tc < 0) {
+			ret = -EINVAL;
+			goto err_rtnl_unlock;
+		}
 	}
 	mask = bitmap_zalloc(dev->num_rx_queues, GFP_KERNEL);
-	if (!mask)
-		return -ENOMEM;
+	if (!mask) {
+		ret = -ENOMEM;
+		goto err_rtnl_unlock;
+	}
 
 	rcu_read_lock();
 	dev_maps = rcu_dereference(dev->xps_rxqs_map);
···
 out_no_maps:
 	rcu_read_unlock();
 
+	rtnl_unlock();
+
 	len = bitmap_print_to_pagebuf(false, buf, mask, dev->num_rx_queues);
 	bitmap_free(mask);
 
 	return len < PAGE_SIZE ? len : -EINVAL;
+
+err_rtnl_unlock:
+	rtnl_unlock();
+	return ret;
 }
 
 static ssize_t xps_rxqs_store(struct netdev_queue *queue, const char *buf,
···
 		return err;
 	}
 
+	if (!rtnl_trylock()) {
+		bitmap_free(mask);
+		return restart_syscall();
+	}
+
 	cpus_read_lock();
 	err = __netif_set_xps_queue(dev, mask, index, true);
 	cpus_read_unlock();
+
+	rtnl_unlock();
 
 	bitmap_free(mask);
 	return err ? : len;

net/dcb/dcbnl.c

···
 	fn = &reply_funcs[dcb->cmd];
 	if (!fn->cb)
 		return -EOPNOTSUPP;
+	if (fn->type != nlh->nlmsg_type)
+		return -EPERM;
 
 	if (!tb[DCB_ATTR_IFNAME])
 		return -EINVAL;

net/ipv4/fib_frontend.c

···
 			.flowi4_iif = LOOPBACK_IFINDEX,
 			.flowi4_oif = l3mdev_master_ifindex_rcu(dev),
 			.daddr = ip_hdr(skb)->saddr,
-			.flowi4_tos = RT_TOS(ip_hdr(skb)->tos),
+			.flowi4_tos = ip_hdr(skb)->tos & IPTOS_RT_MASK,
 			.flowi4_scope = scope,
 			.flowi4_mark = vmark ? skb->mark : 0,
 		};

net/ipv4/gre_demux.c

···
 	 * to 0 and sets the configured key in the
 	 * inner erspan header field
 	 */
-	if (greh->protocol == htons(ETH_P_ERSPAN) ||
+	if ((greh->protocol == htons(ETH_P_ERSPAN) && hdr_len != 4) ||
 	    greh->protocol == htons(ETH_P_ERSPAN2)) {
 		struct erspan_base_hdr *ershdr;
 

net/ipv4/netfilter/arp_tables.c

···
 	xt_compat_lock(NFPROTO_ARP);
 	t = xt_find_table_lock(net, NFPROTO_ARP, get.name);
 	if (!IS_ERR(t)) {
-		const struct xt_table_info *private = t->private;
+		const struct xt_table_info *private = xt_table_get_private_protected(t);
 		struct xt_table_info info;
 
 		ret = compat_table_info(private, &info);

net/ipv4/netfilter/ip_tables.c

···
 	xt_compat_lock(AF_INET);
 	t = xt_find_table_lock(net, AF_INET, get.name);
 	if (!IS_ERR(t)) {
-		const struct xt_table_info *private = t->private;
+		const struct xt_table_info *private = xt_table_get_private_protected(t);
 		struct xt_table_info info;
 		ret = compat_table_info(private, &info);
 		if (!ret && get.size == info.size)

net/ipv6/netfilter/ip6_tables.c

···
 	xt_compat_lock(AF_INET6);
 	t = xt_find_table_lock(net, AF_INET6, get.name);
 	if (!IS_ERR(t)) {
-		const struct xt_table_info *private = t->private;
+		const struct xt_table_info *private = xt_table_get_private_protected(t);
 		struct xt_table_info info;
 		ret = compat_table_info(private, &info);
 		if (!ret && get.size == info.size)

net/lapb/lapb_iface.c

···
 		break;
 	}
 
+	lapb_put(lapb);
 	return NOTIFY_DONE;
 }
 

net/mptcp/protocol.c

···
 	struct mptcp_sock *msk = mptcp_sk(sk);
 
 	WARN_ON_ONCE(msk->wmem_reserved);
+	if (WARN_ON_ONCE(amount < 0))
+		amount = 0;
+
 	if (amount <= sk->sk_forward_alloc)
 		goto reserve;
 
···
 	if (msg->msg_flags & ~(MSG_MORE | MSG_DONTWAIT | MSG_NOSIGNAL))
 		return -EOPNOTSUPP;
 
-	mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, len));
+	mptcp_lock_sock(sk, __mptcp_wmem_reserve(sk, min_t(size_t, 1 << 20, len)));
 
 	timeo = sock_sndtimeo(sk, msg->msg_flags & MSG_DONTWAIT);
 

net/ncsi/ncsi-rsp.c

···
 	int payload, i, ret;
 
 	/* Find the NCSI device */
-	nd = ncsi_find_dev(dev);
+	nd = ncsi_find_dev(orig_dev);
 	ndp = nd ? TO_NCSI_DEV_PRIV(nd) : NULL;
 	if (!ndp)
 		return -ENODEV;

net/netfilter/ipset/ip_set_hash_gen.h

···
 	return hsize * sizeof(struct hbucket *) + sizeof(struct htable);
 }
 
-/* Compute htable_bits from the user input parameter hashsize */
-static u8
-htable_bits(u32 hashsize)
-{
-	/* Assume that hashsize == 2^htable_bits */
-	u8 bits = fls(hashsize - 1);
-
-	if (jhash_size(bits) != hashsize)
-		/* Round up to the first 2^n value */
-		bits = fls(hashsize);
-
-	return bits;
-}
-
 #ifdef IP_SET_HASH_WITH_NETS
 #if IPSET_NET_COUNT > 1
 #define __CIDR(cidr, i)		(cidr[i])
···
 	struct htype *h = set->data;
 	struct htable *t, *orig;
 	u8 htable_bits;
-	size_t dsize = set->dsize;
+	size_t hsize, dsize = set->dsize;
 #ifdef IP_SET_HASH_WITH_NETS
 	u8 flags;
 	struct mtype_elem *tmp;
···
 retry:
 	ret = 0;
 	htable_bits++;
-	if (!htable_bits) {
-		/* In case we have plenty of memory :-) */
-		pr_warn("Cannot increase the hashsize of set %s further\n",
-			set->name);
-		ret = -IPSET_ERR_HASH_FULL;
-		goto out;
-	}
-	t = ip_set_alloc(htable_size(htable_bits));
+	if (!htable_bits)
+		goto hbwarn;
+	hsize = htable_size(htable_bits);
+	if (!hsize)
+		goto hbwarn;
+	t = ip_set_alloc(hsize);
 	if (!t) {
 		ret = -ENOMEM;
 		goto out;
···
 	mtype_ahash_destroy(set, t, false);
 	if (ret == -EAGAIN)
 		goto retry;
+	goto out;
+
+hbwarn:
+	/* In case we have plenty of memory :-) */
+	pr_warn("Cannot increase the hashsize of set %s further\n", set->name);
+	ret = -IPSET_ERR_HASH_FULL;
 	goto out;
 }
 
···
 	if (!h)
 		return -ENOMEM;
 
-	hbits = htable_bits(hashsize);
+	/* Compute htable_bits from the user input parameter hashsize.
+	 * Assume that hashsize == 2^htable_bits,
+	 * otherwise round up to the first 2^n value.
+	 */
+	hbits = fls(hashsize - 1);
 	hsize = htable_size(hbits);
 	if (hsize == 0) {
 		kfree(h);

net/netfilter/nf_tables_api.c

···
 		if (flags & ~(NFT_SET_ANONYMOUS | NFT_SET_CONSTANT |
 			      NFT_SET_INTERVAL | NFT_SET_TIMEOUT |
 			      NFT_SET_MAP | NFT_SET_EVAL |
-			      NFT_SET_OBJECT | NFT_SET_CONCAT))
+			      NFT_SET_OBJECT | NFT_SET_CONCAT | NFT_SET_EXPR))
 			return -EOPNOTSUPP;
 		/* Only one of these operations is supported */
 		if ((flags & (NFT_SET_MAP | NFT_SET_OBJECT)) ==
···
 		struct nlattr *tmp;
 		int left;
 
+		if (!(flags & NFT_SET_EXPR)) {
+			err = -EINVAL;
+			goto err_set_alloc_name;
+		}
 		i = 0;
 		nla_for_each_nested(tmp, nla[NFTA_SET_EXPRESSIONS], left) {
 			if (i == NFT_SET_EXPR_MAX) {
···
 	return 0;
 
 err_expr:
-	for (k = i - 1; k >= 0; k++)
-		nft_expr_destroy(ctx, expr_array[i]);
+	for (k = i - 1; k >= 0; k--)
+		nft_expr_destroy(ctx, expr_array[k]);
 
 	return -ENOMEM;
 }

net/netfilter/nft_dynset.c

···
 	enum nft_registers		sreg_key:8;
 	enum nft_registers		sreg_data:8;
 	bool				invert;
+	bool				expr;
 	u8				num_exprs;
 	u64				timeout;
 	struct nft_expr			*expr_array[NFT_SET_EXPR_MAX];
···
 
 	if (tb[NFTA_DYNSET_FLAGS]) {
 		u32 flags = ntohl(nla_get_be32(tb[NFTA_DYNSET_FLAGS]));
-
-		if (flags & ~NFT_DYNSET_F_INV)
-			return -EINVAL;
+		if (flags & ~(NFT_DYNSET_F_INV | NFT_DYNSET_F_EXPR))
+			return -EOPNOTSUPP;
 		if (flags & NFT_DYNSET_F_INV)
 			priv->invert = true;
+		if (flags & NFT_DYNSET_F_EXPR)
+			priv->expr = true;
 	}
 
 	set = nft_set_lookup_global(ctx->net, ctx->table,
···
 	timeout = 0;
 	if (tb[NFTA_DYNSET_TIMEOUT] != NULL) {
 		if (!(set->flags & NFT_SET_TIMEOUT))
-			return -EINVAL;
+			return -EOPNOTSUPP;
 
 		err = nf_msecs_to_jiffies64(tb[NFTA_DYNSET_TIMEOUT], &timeout);
 		if (err)
···
 
 	if (tb[NFTA_DYNSET_SREG_DATA] != NULL) {
 		if (!(set->flags & NFT_SET_MAP))
-			return -EINVAL;
+			return -EOPNOTSUPP;
 		if (set->dtype == NFT_DATA_VERDICT)
 			return -EOPNOTSUPP;
 
···
 		struct nft_expr *dynset_expr;
 		struct nlattr *tmp;
 		int left;
+
+		if (!priv->expr)
+			return -EINVAL;
 
 		i = 0;
 		nla_for_each_nested(tmp, tb[NFTA_DYNSET_EXPRESSIONS], left) {

net/netfilter/xt_RATEEST.c

···
 	} cfg;
 	int ret;
 
+	if (strnlen(info->name, sizeof(est->name)) >= sizeof(est->name))
+		return -ENAMETOOLONG;
+
 	net_get_random_once(&jhash_rnd, sizeof(jhash_rnd));
 
 	mutex_lock(&xn->hash_lock);

net/packet/af_packet.c

···
 static int packet_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN)
-		seq_puts(seq, "sk       RefCnt Type Proto  Iface R Rmem   User   Inode\n");
+		seq_printf(seq,
+			   "%*sRefCnt Type Proto  Iface R Rmem   User   Inode\n",
+			   IS_ENABLED(CONFIG_64BIT) ? -17 : -9, "sk");
 	else {
 		struct sock *s = sk_entry(v);
 		const struct packet_sock *po = pkt_sk(s);

net/sched/sch_choke.c

···
 
 	ctl = nla_data(tb[TCA_CHOKE_PARMS]);
 
-	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log))
 		return -EINVAL;
 
 	if (ctl->limit > CHOKE_MAX_QUEUE)

net/sched/sch_gred.c

···
 	struct gred_sched *table = qdisc_priv(sch);
 	struct gred_sched_data *q = table->tab[dp];
 
-	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog)) {
+	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log)) {
 		NL_SET_ERR_MSG_MOD(extack, "invalid RED parameters");
 		return -EINVAL;
 	}

net/sched/sch_red.c

···
 	max_P = tb[TCA_RED_MAX_P] ? nla_get_u32(tb[TCA_RED_MAX_P]) : 0;
 
 	ctl = nla_data(tb[TCA_RED_PARMS]);
-	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog))
+	if (!red_check_params(ctl->qth_min, ctl->qth_max, ctl->Wlog, ctl->Scell_log))
 		return -EINVAL;
 
 	err = red_get_flags(ctl->flags, TC_RED_HISTORIC_FLAGS,

net/sched/sch_sfq.c

···
 	}
 
 	if (ctl_v1 && !red_check_params(ctl_v1->qth_min, ctl_v1->qth_max,
-					ctl_v1->Wlog))
+					ctl_v1->Wlog, ctl_v1->Scell_log))
 		return -EINVAL;
 	if (ctl_v1 && ctl_v1->qth_min) {
 		p = kmalloc(sizeof(*p), GFP_KERNEL);

net/sched/sch_taprio.c

···
 
 	hrtimer_cancel(&q->advance_timer);
 	if (q->qdiscs) {
-		for (i = 0; i < dev->num_tx_queues && q->qdiscs[i]; i++)
-			qdisc_reset(q->qdiscs[i]);
+		for (i = 0; i < dev->num_tx_queues; i++)
+			if (q->qdiscs[i])
+				qdisc_reset(q->qdiscs[i]);
 	}
 	sch->qstats.backlog = 0;
 	sch->q.qlen = 0;
···
 	taprio_disable_offload(dev, q, NULL);
 
 	if (q->qdiscs) {
-		for (i = 0; i < dev->num_tx_queues && q->qdiscs[i]; i++)
+		for (i = 0; i < dev->num_tx_queues; i++)
 			qdisc_put(q->qdiscs[i]);
 
 		kfree(q->qdiscs);

net/xdp/xsk.c

···
 	struct xdp_sock *xs = xdp_sk(skb->sk);
 	unsigned long flags;
 
-	spin_lock_irqsave(&xs->tx_completion_lock, flags);
+	spin_lock_irqsave(&xs->pool->cq_lock, flags);
 	xskq_prod_submit_addr(xs->pool->cq, addr);
-	spin_unlock_irqrestore(&xs->tx_completion_lock, flags);
+	spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
 
 	sock_wfree(skb);
 }
···
 	bool sent_frame = false;
 	struct xdp_desc desc;
 	struct sk_buff *skb;
+	unsigned long flags;
 	int err = 0;
 
 	mutex_lock(&xs->mutex);
···
 		 * if there is space in it. This avoids having to implement
 		 * any buffering in the Tx path.
 		 */
+		spin_lock_irqsave(&xs->pool->cq_lock, flags);
 		if (unlikely(err) || xskq_prod_reserve(xs->pool->cq)) {
+			spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
 			kfree_skb(skb);
 			goto out;
 		}
+		spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
 
 		skb->dev = xs->dev;
 		skb->priority = sk->sk_priority;
···
 		if  (err == NETDEV_TX_BUSY) {
 			/* Tell user-space to retry the send */
 			skb->destructor = sock_wfree;
+			spin_lock_irqsave(&xs->pool->cq_lock, flags);
+			xskq_prod_cancel(xs->pool->cq);
+			spin_unlock_irqrestore(&xs->pool->cq_lock, flags);
 			/* Free skb without triggering the perf drop trace */
 			consume_skb(skb);
 			err = -EAGAIN;
···
 			goto out_unlock;
 		}
 	}
+
+	/* FQ and CQ are now owned by the buffer pool and cleaned up with it. */
+	xs->fq_tmp = NULL;
+	xs->cq_tmp = NULL;
 
 	xs->dev = dev;
 	xs->zc = xs->umem->zc;
···
 	xs->state = XSK_READY;
 	mutex_init(&xs->mutex);
 	spin_lock_init(&xs->rx_lock);
-	spin_lock_init(&xs->tx_completion_lock);
 
 	INIT_LIST_HEAD(&xs->map_list);
 	spin_lock_init(&xs->map_list_lock);

net/xdp/xsk_buff_pool.c

···
 	INIT_LIST_HEAD(&pool->free_list);
 	INIT_LIST_HEAD(&pool->xsk_tx_list);
 	spin_lock_init(&pool->xsk_tx_list_lock);
+	spin_lock_init(&pool->cq_lock);
 	refcount_set(&pool->users, 1);
 
 	pool->fq = xs->fq_tmp;
 	pool->cq = xs->cq_tmp;
-	xs->fq_tmp = NULL;
-	xs->cq_tmp = NULL;
 
 	for (i = 0; i < pool->free_heads_cnt; i++) {
 		xskb = &pool->heads[i];

net/xdp/xsk_queue.h

···
 	return xskq_prod_nb_free(q, 1) ? false : true;
 }
 
+static inline void xskq_prod_cancel(struct xsk_queue *q)
+{
+	q->cached_prod--;
+}
+
 static inline int xskq_prod_reserve(struct xsk_queue *q)
 {
 	if (xskq_prod_is_full(q))

tools/testing/selftests/bpf/Makefile

···
 		     /sys/kernel/btf/vmlinux				\
 		     /boot/vmlinux-$(shell uname -r)
 VMLINUX_BTF ?= $(abspath $(firstword $(wildcard $(VMLINUX_BTF_PATHS))))
+ifeq ($(VMLINUX_BTF),)
+$(error Cannot find a vmlinux for VMLINUX_BTF at any of "$(VMLINUX_BTF_PATHS)")
+endif
 
 # Define simple and short `make test_progs`, `make test_sysctl`, etc targets
 # to build individual tests.

tools/testing/selftests/bpf/test_maps.c

···
 #define DO_UPDATE 1
 #define DO_DELETE 0
 
+#define MAP_RETRIES 20
+
+static int map_update_retriable(int map_fd, const void *key, const void *value,
+				int flags, int attempts)
+{
+	while (bpf_map_update_elem(map_fd, key, value, flags)) {
+		if (!attempts || (errno != EAGAIN && errno != EBUSY))
+			return -errno;
+
+		usleep(1);
+		attempts--;
+	}
+
+	return 0;
+}
+
+static int map_delete_retriable(int map_fd, const void *key, int attempts)
+{
+	while (bpf_map_delete_elem(map_fd, key)) {
+		if (!attempts || (errno != EAGAIN && errno != EBUSY))
+			return -errno;
+
+		usleep(1);
+		attempts--;
+	}
+
+	return 0;
+}
+
 static void test_update_delete(unsigned int fn, void *data)
 {
 	int do_update = ((int *)data)[1];
 	int fd = ((int *)data)[0];
-	int i, key, value;
+	int i, key, value, err;
 
 	for (i = fn; i < MAP_SIZE; i += TASKS) {
 		key = value = i;
 
 		if (do_update) {
-			assert(bpf_map_update_elem(fd, &key, &value,
-						   BPF_NOEXIST) == 0);
-			assert(bpf_map_update_elem(fd, &key, &value,
-						   BPF_EXIST) == 0);
+			err = map_update_retriable(fd, &key, &value, BPF_NOEXIST, MAP_RETRIES);
+			if (err)
+				printf("error %d %d\n", err, errno);
+			assert(err == 0);
+			err = map_update_retriable(fd, &key, &value, BPF_EXIST, MAP_RETRIES);
+			if (err)
+				printf("error %d %d\n", err, errno);
+			assert(err == 0);
 		} else {
-			assert(bpf_map_delete_elem(fd, &key) == 0);
+			err = map_delete_retriable(fd, &key, MAP_RETRIES);
+			if (err)
+				printf("error %d %d\n", err, errno);
+			assert(err == 0);
 		}
 	}
 }

tools/testing/selftests/bpf/xdpxceiver.c

···
 		int payload = *((uint32_t *)(pkt_buf[iter]->payload + PKT_HDR_SIZE));
 
 		if (payload == EOT) {
-			ksft_print_msg("End-of-tranmission frame received\n");
+			ksft_print_msg("End-of-transmission frame received\n");
 			fprintf(stdout, "---------------------------------------\n");
 			break;
 		}
···
 			}
 
 			if (payloadseqnum == EOT) {
-				ksft_print_msg("End-of-tranmission frame received: PASS\n");
+				ksft_print_msg("End-of-transmission frame received: PASS\n");
 				sigvar = 1;
 				break;
 			}

tools/testing/selftests/drivers/net/mlxsw/qos_pfc.sh

···
 	__mlnx_qos -i $swp4 --pfc=0,1,0,0,0,0,0,0 >/dev/null
 	# PG0 will get autoconfigured to Xoff, give PG1 arbitrarily 100K, which
 	# is (-2*MTU) about 80K of delay provision.
-	__mlnx_qos -i $swp3 --buffer_size=0,$_100KB,0,0,0,0,0,0 >/dev/null
+	__mlnx_qos -i $swp4 --buffer_size=0,$_100KB,0,0,0,0,0,0 >/dev/null
 
 	# bridges
 	# -------