This commit extends the ip_tunnel_key struct with a new field for the
flow flags, to pass them to the route lookups. This new field will be
populated and used in subsequent commits.
Signed-off-by: Paul Chaignon <paul@isovalent.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Link: https://lore.kernel.org/bpf/f8bfd4983bd06685a59b1e3ba76ca27496f51ef3.1658759380.git.paul@isovalent.com
Third set of patches for v5.20. MLO work continues and we have a lot
of stack changes due to that, including driver API changes. Not much
driver patches except on mt76.
Major changes:
cfg80211/mac80211
* more prepartion for Wi-Fi 7 Multi-Link Operation (MLO) support,
works with one link now
* align with IEEE Draft P802.11be_D2.0
* hardware timestamps for receive and transmit
mt76
* preparation for new chipset support
* ACPI SAR support
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Merge tag 'wireless-next-2022-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Kalle Valo says:
====================
wireless-next patches for v5.20
Third set of patches for v5.20. MLO work continues and we have a lot
of stack changes due to that, including driver API changes. Not much
driver patches except on mt76.
Major changes:
cfg80211/mac80211
- more prepartion for Wi-Fi 7 Multi-Link Operation (MLO) support,
works with one link now
- align with IEEE Draft P802.11be_D2.0
- hardware timestamps for receive and transmit
mt76
- preparation for new chipset support
- ACPI SAR support
* tag 'wireless-next-2022-07-25' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (254 commits)
wifi: mac80211: fix link data leak
wifi: mac80211: mlme: fix disassoc with MLO
wifi: mac80211: add macros to loop over active links
wifi: mac80211: remove erroneous sband/link validation
wifi: mac80211: mlme: transmit assoc frame with address translation
wifi: mac80211: verify link addresses are different
wifi: mac80211: rx: track link in RX data
wifi: mac80211: optionally implement MLO multicast TX
wifi: mac80211: expand ieee80211_mgmt_tx() for MLO
wifi: nl80211: add MLO link ID to the NL80211_CMD_FRAME TX API
wifi: mac80211: report link ID to cfg80211 on mgmt RX
wifi: cfg80211: report link ID in NL80211_CMD_FRAME
wifi: mac80211: add hardware timestamps for RX and TX
wifi: cfg80211: add hardware timestamps to frame RX info
wifi: cfg80211/nl80211: move rx management data into a struct
wifi: cfg80211: add a function for reporting TX status with hardware timestamps
wifi: nl80211: add RX and TX timestamp attributes
wifi: ieee80211: add helper functions for detecting TM/FTM frames
wifi: mac80211_hwsim: handle links for wmediumd/virtio
wifi: mac80211: sta_info: fix link_sta insertion
...
====================
Link: https://lore.kernel.org/r/20220725174547.EA465C341C6@smtp.kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Steffen Klassert says:
====================
pull request (net-next): ipsec-next 2022-07-20
1) Don't set DST_NOPOLICY in IPv4, a recent patch made this
superfluous. From Eyal Birger.
2) Convert alg_key to flexible array member to avoid an iproute2
compile warning when built with gcc-12.
From Stephen Hemminger.
3) xfrm_register_km and xfrm_unregister_km do always return 0
so change the type to void. From Zhengchao Shao.
4) Fix spelling mistake in esp6.c
From Zhang Jiaming.
5) Improve the wording of comment above XFRM_OFFLOAD flags.
From Petr Vaněk.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The current code allows for VXLAN and GENEVE to inherit the TOS
respective the TTL when skb-protocol is ETH_P_IP or ETH_P_IPV6.
However when the payload is VLAN encapsulated, then this inheriting
does not work, because the visible skb-protocol is of type
ETH_P_8021Q or ETH_P_8021AD.
Instead of skb->protocol use skb_protocol().
Signed-off-by: Matthias May <matthias.may@westermo.com>
Link: https://lore.kernel.org/r/20220721202718.10092-1-matthias.may@westermo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Add support for IM Networks PID 0x3568
- Add support for BCM4349B1
- Add support for CYW55572
- Add support for MT7922 VID/PID 0489/e0e2
- Add support for Realtek RTL8852C
- Initial support for Isochronous Channels/ISO sockets
- Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING quirk
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Merge tag 'for-net-next-2022-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next
Luiz Augusto von Dentz says:
====================
bluetooth-next pull request for net-next:
- Add support for IM Networks PID 0x3568
- Add support for BCM4349B1
- Add support for CYW55572
- Add support for MT7922 VID/PID 0489/e0e2
- Add support for Realtek RTL8852C
- Initial support for Isochronous Channels/ISO sockets
- Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING quirk
* tag 'for-net-next-2022-07-22' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-next: (58 commits)
Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet
Bluetooth: btusb: Add support for ISO packets
Bluetooth: ISO: Add broadcast support
Bluetooth: Add initial implementation of BIS connections
Bluetooth: Add BTPROTO_ISO socket type
Bluetooth: Add initial implementation of CIS connections
Bluetooth: hci_core: Introduce hci_recv_event_data
Bluetooth: Convert delayed discov_off to hci_sync
Bluetooth: Remove update_scan hci_request dependancy
Bluetooth: Remove dead code from hci_request.c
Bluetooth: btrtl: Fix typo in comment
Bluetooth: MGMT: Fix holding hci_conn reference while command is queued
Bluetooth: mgmt: Fix using hci_conn_abort
Bluetooth: Use bt_status to convert from errno
Bluetooth: Add bt_status
Bluetooth: hci_sync: Split hci_dev_open_sync
Bluetooth: hci_sync: Refactor remove Adv Monitor
Bluetooth: hci_sync: Refactor add Adv Monitor
Bluetooth: hci_sync: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING
Bluetooth: btusb: Remove HCI_QUIRK_BROKEN_ERR_DATA_REPORTING for fake CSR
...
====================
Link: https://lore.kernel.org/r/20220723002232.964796-1-luiz.dentz@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This adds broadcast support for BTPROTO_ISO by extending the
sockaddr_iso with a new struct sockaddr_iso_bc where the socket user
can set the broadcast address when receiving, the SID and the BIS
indexes it wants to synchronize.
When using BTPROTO_ISO for broadcast the roles are:
Broadcaster -> uses connect with address set to BDADDR_ANY:
> tools/isotest -s 00:00:00:00:00:00
Broadcast Receiver -> uses listen with address set to broadcaster:
> tools/isotest -d 00:AA:01:00:00:00
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This introduces a new socket type BTPROTO_ISO which can be enabled with
use of ISO Socket experiemental UUID, it can used to initiate/accept
connections and transfer packets between userspace and kernel similarly
to how BTPROTO_SCO works:
Central -> uses connect with address set to destination bdaddr:
> tools/isotest -s 00:AA:01:00:00:00
Peripheral -> uses listen:
> tools/isotest -d
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Daniel Borkmann says:
====================
bpf-next 2022-07-22
We've added 73 non-merge commits during the last 12 day(s) which contain
a total of 88 files changed, 3458 insertions(+), 860 deletions(-).
The main changes are:
1) Implement BPF trampoline for arm64 JIT, from Xu Kuohai.
2) Add ksyscall/kretsyscall section support to libbpf to simplify tracing kernel
syscalls through kprobe mechanism, from Andrii Nakryiko.
3) Allow for livepatch (KLP) and BPF trampolines to attach to the same kernel
function, from Song Liu & Jiri Olsa.
4) Add new kfunc infrastructure for netfilter's CT e.g. to insert and change
entries, from Kumar Kartikeya Dwivedi & Lorenzo Bianconi.
5) Add a ksym BPF iterator to allow for more flexible and efficient interactions
with kernel symbols, from Alan Maguire.
6) Bug fixes in libbpf e.g. for uprobe binary path resolution, from Dan Carpenter.
7) Fix BPF subprog function names in stack traces, from Alexei Starovoitov.
8) libbpf support for writing custom perf event readers, from Jon Doron.
9) Switch to use SPDX tag for BPF helper man page, from Alejandro Colomar.
10) Fix xsk send-only sockets when in busy poll mode, from Maciej Fijalkowski.
11) Reparent BPF maps and their charging on memcg offlining, from Roman Gushchin.
12) Multiple follow-up fixes around BPF lsm cgroup infra, from Stanislav Fomichev.
13) Use bootstrap version of bpftool where possible to speed up builds, from Pu Lehui.
14) Cleanup BPF verifier's check_func_arg() handling, from Joanne Koong.
15) Make non-prealloced BPF map allocations low priority to play better with
memcg limits, from Yafang Shao.
16) Fix BPF test runner to reject zero-length data for skbs, from Zhengchao Shao.
17) Various smaller cleanups and improvements all over the place.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (73 commits)
bpf: Simplify bpf_prog_pack_[size|mask]
bpf: Support bpf_trampoline on functions with IPMODIFY (e.g. livepatch)
bpf, x64: Allow to use caller address from stack
ftrace: Allow IPMODIFY and DIRECT ops on the same function
ftrace: Add modify_ftrace_direct_multi_nolock
bpf/selftests: Fix couldn't retrieve pinned program in xdp veth test
bpf: Fix build error in case of !CONFIG_DEBUG_INFO_BTF
selftests/bpf: Fix test_verifier failed test in unprivileged mode
selftests/bpf: Add negative tests for new nf_conntrack kfuncs
selftests/bpf: Add tests for new nf_conntrack kfuncs
selftests/bpf: Add verifier tests for trusted kfunc args
net: netfilter: Add kfuncs to set and change CT status
net: netfilter: Add kfuncs to set and change CT timeout
net: netfilter: Add kfuncs to allocate and insert CT
net: netfilter: Deduplicate code in bpf_{xdp,skb}_ct_lookup
bpf: Add documentation for kfuncs
bpf: Add support for forcing kfunc args to be trusted
bpf: Switch to new kfunc flags infrastructure
tools/resolve_btfids: Add support for 8-byte BTF sets
bpf: Introduce 8-byte BTF set
...
====================
Link: https://lore.kernel.org/r/20220722221218.29943-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This introduces hci_recv_event_data to make it simpler to access the
contents of last received event rather than having to pass its contents
to the likes of *_ind/*_cfm callbacks.
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
This removes the remaining calls to HCI_OP_WRITE_SCAN_ENABLE from
hci_request call chains, and converts them to hci_sync calls.
Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The discov_update work queue is no longer used as a result
of the hci_sync rework.
The __hci_req_hci_power_on() function is no longer referenced in the
code as a result of the hci_sync rework.
Signed-off-by: Brian Gix <brian.gix@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Add a preliminary version which will be updated later
to loop over vif's and sta's active links.
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
For drivers using software encryption for multicast TX, such
as mac80211_hwsim, mac80211 needs to duplicate the multicast
frames on each link, if MLO is enabled. Do this, but don't
just make it dependent on the key but provide a separate flag
for drivers to opt out of this.
This is not very efficient, I expect that drivers will do it
in firmware/hardware or at least with DMA engine assistence,
so this is mostly for hwsim.
To make this work, also implement the SNS11 sequence number
space that an AP MLD shall have, and modify the API to the
__ieee80211_subif_start_xmit() function to always require the
link ID bits to be set.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There are a couple of new things that should be possible
with MLO:
* selecting the link to transmit to a station by link ID,
which a previous patch added to the nl80211 API
* selecting the link by frequency, similarly
* allowing transmittion to an MLD without specifying any
channel or link ID, with MLD addresses
Enable these use cases. Also fix the address comparison
in client mode to use the AP (MLD) address.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Allow optionally specifying the link ID to transmit on,
which can be done instead of the link frequency, on an
MLD addressed frame. Both can also be omitted in which
case the frame must be MLD addressed and link selection
(and address translation) will be done on lower layers.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When the low level driver reports hardware timestamps for frame
TX status or frame RX, pass the timestamps to cfg80211.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add hardware timestamps to management frame RX info.
This shall be used by drivers that support hardware timestamping for
Timing measurement and Fine timing measurement action frames RX.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The functions for reporting rx management take many arguments.
Collect all the arguments into a struct, which also make it easier
to add more arguments if needed.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add a function for reporting TX status with hardware timestamps. This
function shall be used for reporting the TX status of Timing
measurement and Fine timing measurement action frames by devices that
support reporting hardware timestamps.
Signed-off-by: Avraham Stern <avraham.stern@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This patch adds missing includes to headers under include/net.
All these problems are currently masked by the existing users
including the missing dependency before the broken header.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce bpf_ct_set_status and bpf_ct_change_status kfunc helpers in
order to set nf_conn field of allocated entry or update nf_conn status
field of existing inserted entry. Use nf_ct_change_status_common to
share the permitted status field changes between netlink and BPF side
by refactoring ctnetlink_change_status.
It is required to introduce two kfuncs taking nf_conn___init and nf_conn
instead of sharing one because KF_TRUSTED_ARGS flag causes strict type
checking. This would disallow passing nf_conn___init to kfunc taking
nf_conn, and vice versa. We cannot remove the KF_TRUSTED_ARGS flag as we
only want to accept refcounted pointers and not e.g. ct->master.
Hence, bpf_ct_set_* kfuncs are meant to be used on allocated CT, and
bpf_ct_change_* kfuncs are meant to be used on inserted or looked up
CT entry.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-10-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Introduce bpf_ct_set_timeout and bpf_ct_change_timeout kfunc helpers in
order to change nf_conn timeout. This is same as ctnetlink_change_timeout,
hence code is shared between both by extracting it out to
__nf_ct_change_timeout. It is also updated to return an error when it
sees IPS_FIXED_TIMEOUT_BIT bit in ct->status, as that check was missing.
It is required to introduce two kfuncs taking nf_conn___init and nf_conn
instead of sharing one because KF_TRUSTED_ARGS flag causes strict type
checking. This would disallow passing nf_conn___init to kfunc taking
nf_conn, and vice versa. We cannot remove the KF_TRUSTED_ARGS flag as we
only want to accept refcounted pointers and not e.g. ct->master.
Apart from this, bpf_ct_set_timeout is only called for newly allocated
CT so it doesn't need to inspect the status field just yet. Sharing the
helpers even if it was possible would make timeout setting helper
sensitive to order of setting status and timeout after allocation.
Hence, bpf_ct_set_* kfuncs are meant to be used on allocated CT, and
bpf_ct_change_* kfuncs are meant to be used on inserted or looked up
CT entry.
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-9-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Introduce bpf_xdp_ct_alloc, bpf_skb_ct_alloc and bpf_ct_insert_entry
kfuncs in order to insert a new entry from XDP and TC programs.
Introduce bpf_nf_ct_tuple_parse utility routine to consolidate common
code.
We extract out a helper __nf_ct_set_timeout, used by the ctnetlink and
nf_conntrack_bpf code, extract it out to nf_conntrack_core, so that
nf_conntrack_bpf doesn't need a dependency on CONFIG_NF_CT_NETLINK.
Later this helper will be reused as a helper to set timeout of allocated
but not yet inserted CT entry.
The allocation functions return struct nf_conn___init instead of
nf_conn, to distinguish allocated CT from an already inserted or looked
up CT. This is later used to enforce restrictions on what kfuncs
allocated CT can be used with.
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Co-developed-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@gmail.com>
Link: https://lore.kernel.org/r/20220721134245.2450-8-memxor@gmail.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Make use of hci_cmd_sync_queue for removing an advertisement monitor.
Signed-off-by: Manish Mandlik <mmandlik@google.com>
Reviewed-by: Miao-chen Chou <mcchou@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Make use of hci_cmd_sync_queue for adding an advertisement monitor.
Signed-off-by: Manish Mandlik <mmandlik@google.com>
Reviewed-by: Miao-chen Chou <mcchou@google.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Core driver addtionally checks LMP feature bit "Erroneous Data Reporting"
instead of quirk HCI_QUIRK_BROKEN_ERR_DATA_REPORTING to decide if HCI
commands HCI_Read|Write_Default_Erroneous_Data_Reporting are broken, so
remove this unnecessary quirk.
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Tested-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
BT core driver should addtionally check LMP feature bit
"Erroneous Data Reporting" instead of quirk
HCI_QUIRK_BROKEN_ERR_DATA_REPORTING set by BT device driver to decide if
HCI commands HCI_Read|Write_Default_Erroneous_Data_Reporting are broken.
BLUETOOTH CORE SPECIFICATION Version 5.3 | Vol 2, Part C | page 587
This feature indicates whether the device is able to support the
Packet_Status_Flag and the HCI commands HCI_Write_Default_-
Erroneous_Data_Reporting and HCI_Read_Default_Erroneous_-
Data_Reporting.
the quirk was introduced by 'commit cde1a8a992 ("Bluetooth: btusb: Fix
and detect most of the Chinese Bluetooth controllers")' to mark HCI
commands HCI_Read|Write_Default_Erroneous_Data_Reporting broken by BT
device driver, but the reason why these two HCI commands are broken is
that feature "Erroneous Data Reporting" is not enabled by firmware, this
scenario is illustrated by below log of QCA controllers with USB I/F:
@ RAW Open: hcitool (privileged) version 2.22
< HCI Command: Read Local Supported Commands (0x04|0x0002) plen 0
> HCI Event: Command Complete (0x0e) plen 68
Read Local Supported Commands (0x04|0x0002) ncmd 1
Status: Success (0x00)
Commands: 288 entries
......
Read Default Erroneous Data Reporting (Octet 18 - Bit 2)
Write Default Erroneous Data Reporting (Octet 18 - Bit 3)
......
< HCI Command: Read Default Erroneous Data Reporting (0x03|0x005a) plen 0
> HCI Event: Command Complete (0x0e) plen 4
Read Default Erroneous Data Reporting (0x03|0x005a) ncmd 1
Status: Unknown HCI Command (0x01)
< HCI Command: Read Local Supported Features (0x04|0x0003) plen 0
> HCI Event: Command Complete (0x0e) plen 12
Read Local Supported Features (0x04|0x0003) ncmd 1
Status: Success (0x00)
Features: 0xff 0xfe 0x0f 0xfe 0xd8 0x3f 0x5b 0x87
3 slot packets
......
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Tested-by: Zijun Hu <quic_zijuhu@quicinc.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The bt_skb_sendmsg() function can't return NULL so there is no need to
check for that. Several of these checks were removed previously but
this one was missed.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
The scan response and advertising data needs to be tracked on a per
instance (adv_info) since when these instaces are removed so are their
data, to fix that new flags are introduced which is used to mark when
the data changes and then checked to confirm when the data needs to be
synced with the controller.
Tested-by: Tedd Ho-Jeong An <tedd.an@intel.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
When HCI_USERCHANNEL is used, unregister the suspend notifier when
binding and register when releasing. The userchannel socket should be
left alone after open is completed.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Pablo Neira Ayuso says:
====================
Netfilter/IPVS updates for net-next
The following patchset contains Netfilter/IPVS updates for net-next:
1) Simplify nf_ct_get_tuple(), from Jackie Liu.
2) Add format to request_module() call, from Bill Wendling.
3) Add /proc/net/stats/nf_flowtable to monitor in-flight pending
hardware offload objects to be processed, from Vlad Buslov.
4) Missing rcu annotation and accessors in the netfilter tree,
from Florian Westphal.
5) Merge h323 conntrack helper nat hooks into single object,
also from Florian.
6) A batch of update to fix sparse warnings treewide,
from Florian Westphal.
7) Move nft_cmp_fast_mask() where it used, from Florian.
8) Missing const in nf_nat_initialized(), from James Yonan.
9) Use bitmap API for Maglev IPVS scheduler, from Christophe Jaillet.
10) Use refcount_inc instead of _inc_not_zero in flowtable,
from Florian Westphal.
11) Remove pr_debug in xt_TPROXY, from Nathan Cancellor.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: xt_TPROXY: remove pr_debug invocations
netfilter: flowtable: prefer refcount_inc
netfilter: ipvs: Use the bitmap API to allocate bitmaps
netfilter: nf_nat: in nf_nat_initialized(), use const struct nf_conn *
netfilter: nf_tables: move nft_cmp_fast_mask to where its used
netfilter: nf_tables: use correct integer types
netfilter: nf_tables: add and use BE register load-store helpers
netfilter: nf_tables: use the correct get/put helpers
netfilter: x_tables: use correct integer types
netfilter: nfnetlink: add missing __be16 cast
netfilter: nft_set_bitmap: Fix spelling mistake
netfilter: h323: merge nat hook pointers into one
netfilter: nf_conntrack: use rcu accessors where needed
netfilter: nf_conntrack: add missing __rcu annotations
netfilter: nf_flow_table: count pending offload workqueue tasks
net/sched: act_ct: set 'net' pointer when creating new nf_flow_table
netfilter: conntrack: use correct format characters
netfilter: conntrack: use fallthrough to cleanup
====================
Link: https://lore.kernel.org/r/20220720230754.209053-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
While reading sysctl_tcp_slow_start_after_idle, it can be changed
concurrently. Thus, we need to add READ_ONCE() to its readers.
Fixes: 35089bb203 ("[TCP]: Add tcp_slow_start_after_idle sysctl.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While reading sysctl_udp_l3mdev_accept, it can be changed concurrently.
Thus, we need to add READ_ONCE() to its reader.
Fixes: 63a6fff353 ("net: Avoid receiving packets with an l3mdev on unbound UDP sockets")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sysctl_ip_prot_sock is accessed concurrently, and there is always a chance
of data-race. So, all readers and writers need some basic protection to
avoid load/store-tearing.
Fixes: 4548b683b7 ("Introduce a sysctl that modifies the value of PROT_SOCK.")
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are some synchronization issues(amt->status, amt->req_cnt, etc)
if the interface is in gateway mode because gateway message handlers
are processed concurrently.
This applies a work queue for processing these messages instead of
expanding the locking context.
So, the purposes of this patch are to fix exist race conditions and to make
gateway to be able to validate a gateway status more correctly.
When the AMT gateway interface is created, it tries to establish to relay.
The establishment step looks stateless, but it should be managed well.
In order to handle messages in the gateway, it saves the current
status(i.e. AMT_STATUS_XXX).
This patch makes gateway code to be worked with a single thread.
Now, all messages except the multicast are triggered(received or
delay expired), and these messages will be stored in the event
queue(amt->events).
Then, the single worker processes stored messages asynchronously one
by one.
The multicast data message type will be still processed immediately.
Now, amt->lock is only needed to access the event queue(amt->events)
if an interface is the gateway mode.
Fixes: cbc21dc1cf ("amt: add data plane of amt interface")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Remove locked versions of functions that are no longer used by anyone.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Prepare for devlink reload being called with devlink->lock held and
convert the netdevsim driver to use unlocked devlink API during init and
fini flows. Take devl_lock() in reload_down() and reload_up() ops in the
meantime before reload cmd is converted to take the lock itself.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add unlocked variants of devlink_region_create/destroy() functions
to be used in drivers called-in with devlink->lock held.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Moshe Shemesh <moshe@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add unlocked variants of devlink_dpipe*() functions to be used
in drivers called-in with devlink->lock held.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add unlocked variants of devlink_sb*() functions to be used
in drivers called-in with devlink->lock held.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add unlocked variants of devlink_resource*() functions to be used
in drivers called-in with devlink->lock held.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Add unlocked variants of devl_trap*() functions to be used in drivers
called-in with devlink->lock held.
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
