This removes le_restart_scan work and instead just disables controller
duplicate filtering when discovery result_filtering is enabled and
HCI_QUIRK_STRICT_DUPLICATE_FILTER is set.

Link: https://github.com/bluez/bluez/issues/573
Link: https://github.com/bluez/bluez/issues/572Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

Most functions in `net/bluetooth/lib.c` lack propper
documentation.

This patch adds documentation to all exported functions
in `net/bluetooth/lib.c`.
Unnecessary or redundant comments are also removed to
ensure the file looks clean.
Signed-off-by: Yuran Pereira <yuran.pereira@hotmail.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

This checks if there are connections before suspending since that may
disrupt the connections making it stop receiving any data if remote
wakeup is not enabled.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

Set both WIDEBAND_SPEECH_SUPPORTED and VALID_LE_STATES quirks
for QCA2066.
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

For ISO Broadcast, all BISes from a BIG have the same lifespan - they
cannot be created or terminated independently from each other.

This links together all BIS hcons that are part of the same BIG, so all
hcons are kept alive as long as the BIG is active.

If multiple BIS sockets are opened for a BIG handle, and only part of
them are closed at some point, the associated hcons will be marked as
open. If new sockets will later be opened for the same BIG, they will
be reassociated with the open BIS hcons.

All BIS hcons will be cleaned up and the BIG will be terminated when
the last BIS socket is closed from userspace.
Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

This makes it possible to bind a PA sync socket to a number of BISes
before issuing the BIG Create Sync command.
Signed-off-by: Iulia Tanasescu <iulia.tanasescu@nxp.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

There was a memory leak during error handling in function
npc_mcam_rsrcs_init().

Fixes: dd784287 ("octeontx2-af: Add new devlink param to configure maximum usable NIX block LFs")
Suggested-by: Simon Horman <horms@kernel.org>
Signed-off-by: Suman Ghosh <sumang@marvell.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Tony Nguyen says:

====================
intel: use bitfield operations

Jesse Brandeburg says:

After repeatedly getting review comments on new patches, and sporadic
patches to fix parts of our drivers, we should just convert the Intel code
to use FIELD_PREP() and FIELD_GET().  It's then "common" in the code and
hopefully future change-sets will see the context and do-the-right-thing.

This conversion was done with a coccinelle script which is mentioned in the
commit messages. Generally there were only a couple conversions that were
"undone" after the automatic changes because they tried to convert a
non-contiguous mask.

Patch 1 is required at the beginning of this series to fix a "forever"
issue in the e1000e driver that fails the compilation test after conversion
because the shift / mask was out of range.

The second patch just adds all the new #includes in one go.

The patch titled: "ice: fix pre-shifted bit usage" is needed to allow the
use of the FIELD_* macros and fix up the unexpected "shifts included"
defines found while creating this series.

The rest are the conversion to use FIELD_PREP()/FIELD_GET(), and the
occasional leXX_{get,set,encode}_bits() call, as suggested by Alex.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Cross-merge networking fixes after downstream PR.

Adjacent changes:

drivers/net/ethernet/broadcom/bnxt/bnxt_xdp.c
  23c93c3b ("bnxt_en: do not map packet buffers twice")
  6d1add95 ("bnxt_en: Modify TX ring indexing logic.")

tools/testing/selftests/net/Makefile
  2258b666 ("selftests: add vlan hw filter tests")
  a0bc96c0 ("selftests: net: verify fq per-band packet limit")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

A revert of
   3dec89b1 ("net/ipv6: Remove expired routes with a separated list of routes")
was sent for net-next. Revert the remainder of 5a08d006
which added a warn on if a fib entry is still on the gc_link list
to avoid compile failures when net is merged to net-next
Signed-off-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20231219030742.25715-1-dsahern@kernel.orgSigned-off-by: Paolo Abeni <pabeni@redhat.com>

Pull networking fixes from Paolo Abeni:
 "Including fixes from WiFi and bpf.

  Current release - regressions:

   - bpf: syzkaller found null ptr deref in unix_bpf proto add

   - eth: i40e: fix ST code value for clause 45

  Previous releases - regressions:

   - core: return error from sk_stream_wait_connect() if sk_wait_event()
     fails

   - ipv6: revert remove expired routes with a separated list of routes

   - wifi rfkill:
       - set GPIO direction
       - fix crash with WED rx support enabled

   - bluetooth:
       - fix deadlock in vhci_send_frame
       - fix use-after-free in bt_sock_recvmsg

   - eth: mlx5e: fix a race in command alloc flow

   - eth: ice: fix PF with enabled XDP going no-carrier after reset

   - eth: bnxt_en: do not map packet buffers twice

  Previous releases - always broken:

   - core:
       - check vlan filter feature in vlan_vids_add_by_dev() and
         vlan_vids_del_by_dev()
       - check dev->gso_max_size in gso_features_check()

   - mptcp: fix inconsistent state on fastopen race

   - phy: skip LED triggers on PHYs on SFP modules

   - eth: mlx5e:
       - fix double free of encap_header
       - fix slab-out-of-bounds in mlx5_query_nic_vport_mac_list()"

* tag 'net-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (69 commits)
  net: check dev->gso_max_size in gso_features_check()
  kselftest: rtnetlink.sh: use grep_fail when expecting the cmd fail
  net/ipv6: Revert remove expired routes with a separated list of routes
  net: avoid build bug in skb extension length calculation
  net: ethernet: mtk_wed: fix possible NULL pointer dereference in mtk_wed_wo_queue_tx_clean()
  net: stmmac: fix incorrect flag check in timestamp interrupt
  selftests: add vlan hw filter tests
  net: check vlan filter feature in vlan_vids_add_by_dev() and vlan_vids_del_by_dev()
  net: hns3: add new maintainer for the HNS3 ethernet driver
  net: mana: select PAGE_POOL
  net: ks8851: Fix TX stall caused by TX buffer overrun
  ice: Fix PF with enabled XDP going no-carrier after reset
  ice: alter feature support check for SRIOV and LAG
  ice: stop trashing VF VSI aggregator node ID information
  mailmap: add entries for Geliang Tang
  mptcp: fill in missing MODULE_DESCRIPTION()
  mptcp: fix inconsistent state on fastopen race
  selftests: mptcp: join: fix subflow_send_ack lookup
  net: phy: skip LED triggers on PHYs on SFP modules
  bpf: Add missing BPF_LINK_TYPE invocations
  ...

Replace msleep(1) with usleep_range as suggested by timers-howto guide.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20231217232508.26470-1-ansuelsmth@gmail.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

Remove extra space after cast as reported by checkpatch to keep code
clean.
Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20231217232739.27065-1-ansuelsmth@gmail.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

Daniel Borkmann says:

====================
pull-request: bpf 2023-12-21

Hi David, hi Jakub, hi Paolo, hi Eric,

The following pull-request contains BPF updates for your *net* tree.

We've added 3 non-merge commits during the last 5 day(s) which contain
a total of 4 files changed, 45 insertions(+).

The main changes are:

1) Fix a syzkaller splat which triggered an oob issue in bpf_link_show_fdinfo(),
   from Jiri Olsa.

2) Fix another syzkaller-found issue which triggered a NULL pointer dereference
   in BPF sockmap for unconnected unix sockets, from John Fastabend.

bpf-for-netdev

* tag 'for-netdev' of https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf: Add missing BPF_LINK_TYPE invocations
  bpf: sockmap, test for unconnected af_unix sock
  bpf: syzkaller found null ptr deref in unix_bpf proto add
====================

Link: https://lore.kernel.org/r/20231221104844.1374-1-daniel@iogearbox.netSigned-off-by: Paolo Abeni <pabeni@redhat.com>

Some drivers might misbehave if TSO packets get too big.

GVE for instance uses a 16bit field in its TX descriptor,
and will do bad things if a packet is bigger than 2^16 bytes.

Linux TCP stack honors dev->gso_max_size, but there are
other ways for too big packets to reach an ndo_start_xmit()
handler : virtio_net, af_packet, GRO...

Add a generic check in gso_features_check() and fallback
to GSO when needed.

gso_max_size was added in the blamed commit.

Fixes: 82cc1a7a ("[NET]: Add per-connection option to set max TSO frame size")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20231219125331.4127498-1-edumazet@google.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

run_cmd_grep_fail should be used when expecting the cmd fail, or the ret
will be set to 1, and the total test return 1 when exiting. This would cause
the result report to fail if run via run_kselftest.sh.

Before fix:
 # ./rtnetlink.sh -t kci_test_addrlft
 PASS: preferred_lft addresses have expired
 # echo $?
 1

After fix:
 # ./rtnetlink.sh -t kci_test_addrlft
 PASS: preferred_lft addresses have expired
 # echo $?
 0

Fixes: 9c2a19f7 ("kselftest: rtnetlink.sh: add verbose flag")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231219065737.1725120-1-liuhangbin@gmail.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

This reverts commit 3dec89b1.

The commit has some race conditions given how expires is managed on a
fib6_info in relation to gc start, adding the entry to the gc list and
setting the timer value leading to UAF. Revert the commit and try again
in a later release.

Fixes: 3dec89b1 ("net/ipv6: Remove expired routes with a separated list of routes")
Cc: Kui-Feng Lee <thinker.li@gmail.com>
Signed-off-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20231219030243.25687-1-dsahern@kernel.orgSigned-off-by: Paolo Abeni <pabeni@redhat.com>

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2023-12-18 (ice)

This series contains updates to ice driver only.

Jakes stops clearing of needed aggregator information.

Dave adds a check for LAG device support before initializing the
associated event handler.

Larysa restores accounting of XDP queues in TC configurations.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  ice: Fix PF with enabled XDP going no-carrier after reset
  ice: alter feature support check for SRIOV and LAG
  ice: stop trashing VF VSI aggregator node ID information
====================

Link: https://lore.kernel.org/r/20231218192708.3397702-1-anthony.l.nguyen@intel.comSigned-off-by: Paolo Abeni <pabeni@redhat.com>

GCC seems to incorrectly fail to evaluate skb_ext_total_length() at
compile time under certain conditions.

The issue even occurs if all values in skb_ext_type_len[] are "0",
ruling out the possibility of an actual overflow.

As the patch has been in mainline since v6.6 without triggering the
problem it seems to be a very uncommon occurrence.

As the issue only occurs when -fno-tree-loop-im is specified as part of
CFLAGS_GCOV, disable the BUILD_BUG_ON() only when building with coverage
reporting enabled.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312171924.4FozI5FG-lkp@intel.com/Suggested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/lkml/487cfd35-fe68-416f-9bfd-6bb417f98304@app.fastmail.com/
Fixes: 5d21d0a6 ("net: generalize calculation of skb extensions length")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20231218-net-skbuff-build-bug-v1-1-eefc2fb0a7d3@weissschuh.netSigned-off-by: Paolo Abeni <pabeni@redhat.com>

In order to avoid a NULL pointer dereference, check entry->buf pointer before running
skb_free_frag in mtk_wed_wo_queue_tx_clean routine.

Fixes: 79968444 ("net: ethernet: mtk_wed: introduce wed wo support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/3c1262464d215faa8acebfc08869798c81c96f4a.1702827359.git.lorenzo@kernel.orgSigned-off-by: Paolo Abeni <pabeni@redhat.com>

Only the posix timer system calls use this (when the posix timer support
is disabled, which does not actually happen in any normal case), because
they had debug code to print out a warning about missing system calls.

Get rid of that special case, and just use the standard COND_SYSCALL
interface that creates weak system call stubs that return -ENOSYS for
when the system call does not exist.

This fixes a kCFI issue with the SYS_NI() hackery:

  CFI failure at int80_emulation+0x67/0xb0 (target: sys_ni_posix_timers+0x0/0x70; expected type: 0xb02b34d9)
  WARNING: CPU: 0 PID: 48 at int80_emulation+0x67/0xb0
Reported-by: kernel test robot <oliver.sang@intel.com>
Reviewed-by: Sami Tolvanen <samitolvanen@google.com>
Tested-by: Sami Tolvanen <samitolvanen@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

Pull smb client fixes from Steve French:

 - two multichannel reconnect fixes, one fixing an important refcounting
   problem that can lead to umount problems

 - atime fix

 - five fixes for various potential OOB accesses, including a CVE fix,
   and two additional fixes for problems pointed out by Robert Morris's
   fuzzing investigation

* tag '6.7-rc6-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
  cifs: do not let cifs_chan_update_iface deallocate channels
  cifs: fix a pending undercount of srv_count
  fs: cifs: Fix atime update check
  smb: client: fix potential OOB in smb2_dump_detail()
  smb: client: fix potential OOB in cifs_dump_detail()
  smb: client: fix OOB in smbCalcSize()
  smb: client: fix OOB in SMB2_query_info_init()
  smb: client: fix OOB in cifsd when receiving compounded resps

Pull s390 fixes from Alexander Gordeev:

 - Fix virtual vs physical address confusion in Storage Class Memory
   (SCM) block device driver.

 - Fix saving and restoring of FPU kernel context, which could lead to
   corruption of vector registers 8-15

 - Update defconfigs

* tag 's390-6.7-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390: update defconfigs
  s390/vx: fix save/restore of fpu kernel context
  s390/scm: fix virtual vs physical address confusion

Pull ARM SoC fixes from Arnd Bergmann:
 "There are only a handful of bugfixes this time, which feels almost too
  small, so I hope we are not missing something important.

   - One more mediatek dts warning fix after the previous larger set,
     this should finally result in a clean defconfig build.

   - TI OMAP dts fixes for a spurious hang on am335x and invalid data on
     DTA7

   - One DTS fix for ethernet on Oriange Pi Zero (Allwinner H616)

   - A regression fix for ti-sysc interconnect target module driver to
     not access registers after reset if srst_udelay quirk is needed

   - Reset controller driver fixes for a crash during error handling and
     a build warning"

* tag 'soc-fixes-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  arm64: dts: mediatek: mt8395-genio-1200-evk: add interrupt-parent for mt6360
  ARM: dts: Fix occasional boot hang for am3 usb
  reset: Fix crash when freeing non-existent optional resets
  ARM: OMAP2+: Fix null pointer dereference and memory leak in omap_soc_device_init
  ARM: dts: dra7: Fix DRA7 L3 NoC node register size
  bus: ti-sysc: Flush posted write only after srst_udelay
  reset: hisilicon: hi6220: fix Wvoid-pointer-to-enum-cast warning
  arm64: dts: allwinner: h616: update emac for Orange Pi Zero 3

Merge tag 'platform-drivers-x86-v6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform drivers fixes from Ilpo Järvinen:

 - Fan reporting on some ThinkPads

 - Laptop 13 spurious keypresses while suspended

 - Intel PMC correction to avoid crash

* tag 'platform-drivers-x86-v6.7-5' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  platform/x86/amd/pmc: Disable keyboard wakeup on AMD Framework 13
  platform/x86/amd/pmc: Move keyboard wakeup disablement detection to pmc-quirks
  platform/x86/amd/pmc: Only run IRQ1 firmware version check on Cezanne
  platform/x86/amd/pmc: Move platform defines to header
  platform/x86/intel/pmc: Fix hang in pmc_core_send_ltr_ignore()
  platform/x86: thinkpad_acpi: fix for incorrect fan reporting on some ThinkPad systems

Pull overlayfs fix from Amir Goldstein:
 "Fix a regression from this merge window"

* tag 'ovl-fixes-6.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/overlayfs/vfs:
  ovl: fix dentry reference leak after changes to underlying layers

Pull more bcachefs fixes from Kent Overstreet:

 - Fix a deadlock in the data move path with nocow locks (vs. update in
   place writes); when trylock failed we were incorrectly waiting for in
   flight ios to flush.

 - Fix reporting of NFS file handle length

 - Fix early error path in bch2_fs_alloc() - list head wasn't being
   initialized early enough

 - Make sure correct (hardware accelerated) crc modules get loaded

 - Fix a rare overflow in the btree split path, when the packed bkey
   format grows and all the keys have no value (LRU btree).

 - Fix error handling in the sector allocator

   This was causing writes to spuriously fail in multidevice setups, and
   another bug meant that the errors weren't being logged, only reported
   via fsync.

* tag 'bcachefs-2023-12-19' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: Fix bch2_alloc_sectors_start_trans() error handling
  bcachefs; guard against overflow in btree node split
  bcachefs: btree_node_u64s_with_format() takes nr keys
  bcachefs: print explicit recovery pass message only once
  bcachefs: improve modprobe support by providing softdeps
  bcachefs: fix invalid memory access in bch2_fs_alloc() error path
  bcachefs: Fix determining required file handle length
  bcachefs: Fix nocow locks deadlock

Pull nfsd fixes from Chuck Lever:

 - Address a few recently-introduced issues

* tag 'nfsd-6.7-2' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux:
  SUNRPC: Revert 5f7fc5d6
  NFSD: Revert 738401a9
  NFSD: Revert 6c41d9a9
  nfsd: hold nfsd_mutex across entire netlink operation
  nfsd: call nfsd_last_thread() before final nfsd_put()

Merge tag 'dm-6.7/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull device mapper fixes from Mike Snitzer:

 - DM raid target (and MD raid) fix for reconfig_mutex MD deadlock that
   should have been merged along with recent v6.7-rc6 MD fixes (see MD
   related commits: f2d87a75^..b3911334)

 - DM integrity target fix to avoid modifying immutable biovec in the
   integrity_metadata() edge case where kmalloc fails.

 - Fix drivers/md/Kconfig so DM_AUDIT depends on BLK_DEV_DM.

 - Update DM entry in MAINTAINERS to remove stale info.

* tag 'dm-6.7/dm-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  MAINTAINERS: remove stale info for DEVICE-MAPPER
  dm audit: fix Kconfig so DM_AUDIT depends on BLK_DEV_DM
  dm-integrity: don't modify bio's immutable bio_vec in integrity_metadata()
  dm-raid: delay flushing event_work() after reconfig_mutex is released

This patch fix the warning introduced by mt6360 node in
mt8395-genio-1200-evk.dts.

arch/arm64/boot/dts/mediatek/mt8195.dtsi:464.4-27: Warning (interrupts_property): /soc/i2c@11d01000/pmic@34:#interrupt-cells: size is (8), expected multiple of 16

Add a missing 'interrupt-parent' to fix this warning.

Fixes: f2b543a1 ("arm64: dts: mediatek: add device-tree for Genio 1200 EVK board")
Reported-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/linux-devicetree/20231212214737.230115-1-arnd@kernel.org/Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Merge tag 'am3-usb-hang-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fix for occasional boot hang for am335x USB

A fix for occasional boot hang for am335x USB that I've only recently
started noticing.

This can be merged naturally whenever suitable. This issue has been seen
with other similar SoCs earlier and has clearly existed for a long time.

* tag 'am3-usb-hang-fix-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Fix occasional boot hang for am3 usb

Link: https://lore.kernel.org/r/pull-1703071616-395333@atomide.comSigned-off-by: Arnd Bergmann <arnd@arndb.de>

Merge tag 'omap-for-v6.7/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps

A few fixes for omaps:

- A regression fix for ti-sysc interconnect target module driver to not access
  registers after reset if srst_udelay quirk is needed

- DRA7 L3 NoC node register size fix

* tag 'omap-for-v6.7/fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP2+: Fix null pointer dereference and memory leak in omap_soc_device_init
  ARM: dts: dra7: Fix DRA7 L3 NoC node register size
  bus: ti-sysc: Flush posted write only after srst_udelay

Link: https://lore.kernel.org/r/pull-1702037799-781982@atomide.comSigned-off-by: Arnd Bergmann <arnd@arndb.de>

Victor Nogueira says:

====================
net: sched: Make tc-related drop reason more flexible for remaining qdiscs

This patch builds on Daniel's patch[1] to add initial support of tc drop
reason. The main goal is to distinguish between policy and error drops for
the remainder of the egress qdiscs (other than clsact).
The drop reason is set by cls_api and act_api in the tc skb cb in case
any error occurred in the data path.

Also add new skb drop reasons that are idiosyncratic to TC.

[1] https://lore.kernel.org/all/20231009092655.22025-1-daniel@iogearbox.net

Changes in V5:
- Drop "EXT_" from cookie error's drop reason name in doc

Changes in V4:
- Condense all the cookie drop reasons into one

Changes in V3:
- Removed duplicate assignment
- Rename function tc_skb_cb_drop_reason to tcf_get_drop_reason
- Move zone field upwards in struct tc_skb_cb to move hole to the end of
  the struct

Changes in V2:
- Dropped RFC tag
- Removed check for drop reason being overwritten by filter in cls_api.c
- Simplified logic and removed function tcf_init_drop_reason
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Continue expanding Daniel's patch by adding new skb drop reasons that
are idiosyncratic to TC.

More specifically:

- SKB_DROP_REASON_TC_COOKIE_ERROR: An error occurred whilst
  processing a tc ext cookie.

- SKB_DROP_REASON_TC_CHAIN_NOTFOUND: tc chain lookup failed.

- SKB_DROP_REASON_TC_RECLASSIFY_LOOP: tc exceeded max reclassify loop
  iterations
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Incrementing on Daniel's patch[1], make tc-related drop reason more
flexible for remaining qdiscs - that is, all qdiscs aside from clsact.
In essence, the drop reason will be set by cls_api and act_api in case
any error occurred in the data path. With that, we can give the user more
detailed information so that they can distinguish between a policy drop
or an error drop.

[1] https://lore.kernel.org/all/20231009092655.22025-1-daniel@iogearbox.netSigned-off-by: Victor Nogueira <victor@mojatatu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Move drop_reason from struct tcf_result to skb cb - more specifically to
struct tc_skb_cb. With that, we'll be able to also set the drop reason for
the remaining qdiscs (aside from clsact) that do not have access to
tcf_result when time comes to set the skb drop reason.
Signed-off-by: Victor Nogueira <victor@mojatatu.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

This adds support for the LED's on most chip versions. Excluded are
the old non-PCIe versions and RTL8125. RTL8125 has a different LED
register layout, support for it will follow later.

LED's can be controlled from userspace using the netdev LED trigger.

Tested on RTL8168h.

Note: The driver can't know which LED's are actually physically
wired. Therefore not every LED device may represent a physically
available LED.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Ido Schimmel says:

====================
Add MDB bulk deletion support

This patchset adds MDB bulk deletion support, allowing user space to
request the deletion of matching entries instead of dumping the entire
MDB and issuing a separate deletion request for each matching entry.
Support is added in both the bridge and VXLAN drivers in a similar
fashion to the existing FDB bulk deletion support.

The parameters according to which bulk deletion can be performed are
similar to the FDB ones, namely: Destination port, VLAN ID, state (e.g.,
"permanent"), routing protocol, source / destination VNI, destination IP
and UDP port. Flushing based on flags (e.g., "offload", "fast_leave",
"added_by_star_ex", "blocked") is not currently supported, but can be
added in the future, if a use case arises.

Patch #1 adds a new uAPI attribute to allow specifying the state mask
according to which bulk deletion will be performed, if any.

Patch #2 adds a new policy according to which bulk deletion requests
(with 'NLM_F_BULK' flag set) will be parsed.

Patches #3-#4 add a new NDO for MDB bulk deletion and invoke it from the
rtnetlink code when a bulk deletion request is made.

Patches #5-#6 implement the MDB bulk deletion NDO in the bridge and
VXLAN drivers, respectively.

Patch #7 allows user space to issue MDB bulk deletion requests by no
longer rejecting the 'NLM_F_BULK' flag when it is set in 'RTM_DELMDB'
requests.

Patches #8-#9 add selftests for both drivers, for both good and bad
flows.

iproute2 changes can be found here [1].

https://github.com/idosch/iproute2/tree/submit/mdb_flush_v1
====================
Signed-off-by: David S. Miller <davem@davemloft.net>

Add test cases to verify the behavior of the MDB bulk deletion
functionality in the VXLAN driver.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Petr Machata <petrm@nvidia.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Add test cases to verify the behavior of the MDB bulk deletion
functionality in the bridge driver.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Acked-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Acked-by: Nikolay Aleksandrov <razor@blackwall.org>
Signed-off-by: David S. Miller <davem@davemloft.net>