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Options are as follows: PDU_TYPE:QFI and they refernce to
the fields from the PDU Session Protocol. PDU Session data
is conveyed in GTP-U Extension Header.
GTP-U Extension Header is described in 3GPP TS 29.281.
PDU Session Protocol is described in 3GPP TS 38.415.
PDU_TYPE - indicates the type of the PDU Session Information (4 bits)
QFI - QoS Flow Identifier (6 bits)
# ip link add gtp_dev type gtp role sgsn
# tc qdisc add dev gtp_dev ingress
# tc filter add dev gtp_dev protocol ip parent ffff: \
flower \
enc_key_id 11 \
gtp_opts 1:8/ff:ff \
action mirred egress redirect dev eth0
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Adding GTP device through ip link creates the situation where
GTP instance is not able to send GTP echo requests.
Echo requests are used to check if GTP peer is still alive.
With this patch, gtp_genl_ops are extended by new cmd (GTP_CMD_ECHOREQ)
which allows to send echo request in the given version of GTP
protocol (v0 or v1), from the given ms address to he given
peer. TID is not inclued because in all path management
messages it should be equal to 0.
When GTP echo response is detected, multicast message is
send to everyone in the gtp_genl_family. Message contains
GTP version, ms address and peer address.
Suggested-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Adding GTP device through ip link creates the situation where
there is no userspace daemon which would handle GTP messages
(Echo Request for example). GTP-U instance which would not respond
to echo requests would violate GTP specification.
When GTP packet arrives with GTP_ECHO_REQ message type,
GTP_ECHO_RSP is send to the sender. GTP_ECHO_RSP message
should contain information element with GTPIE_RECOVERY tag and
restart counter value. For GTPv1 restart counter is not used
and should be equal to 0, for GTPv0 restart counter contains
information provided from userspace(IFLA_GTP_RESTART_COUNT).
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Suggested-by: Harald Welte <laforge@gnumonks.org>
Reviewed-by: Harald Welte <laforge@gnumonks.org>
Tested-by: Harald Welte <laforge@gnumonks.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Currently, when the user wants to create GTP device, he has to
provide file handles to the sockets created in userspace (IFLA_GTP_FD0,
IFLA_GTP_FD1). This behaviour is not ideal, considering the option of
adding support for GTP device creation through ip link. Ip link
application is not a good place to create such sockets.
This patch allows to create GTP device without providing
IFLA_GTP_FD0 and IFLA_GTP_FD1 arguments. If the user sets
IFLA_GTP_CREATE_SOCKETS attribute, then GTP module takes care
of creating UDP sockets by itself. Sockets are created with the
commonly known UDP ports used for GTP protocol (GTP0_PORT and
GTP1U_PORT). In this case we don't have to provide encap_destroy
because no extra deinitialization is needed, everything is covered
by udp_tunnel_sock_release.
Note: GTP instance created with only this change applied, does
not handle GTP Echo Requests. This is implemented in the following
patch.
Signed-off-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
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Few years ago OVS user space made a strange choice in the commit [1]
to define types only valid for the user space inside the copy of a
kernel uAPI header. '#ifndef __KERNEL__' and another attribute was
added later.
This leads to the inevitable clash between user space and kernel types
when the kernel uAPI is extended. The issue was unveiled with the
addition of a new type for IPv6 extension header in kernel uAPI.
When kernel provides the OVS_KEY_ATTR_IPV6_EXTHDRS attribute to the
older user space application, application tries to parse it as
OVS_KEY_ATTR_PACKET_TYPE and discards the whole netlink message as
malformed. Since OVS_KEY_ATTR_IPV6_EXTHDRS is supplied along with
every IPv6 packet that goes to the user space, IPv6 support is fully
broken.
Fixing that by bringing these user space attributes to the kernel
uAPI to avoid the clash. Strictly speaking this is not the problem
of the kernel uAPI, but changing it is the only way to avoid breakage
of the older user space applications at this point.
These 2 types are explicitly rejected now since they should not be
passed to the kernel. Additionally, OVS_KEY_ATTR_TUNNEL_INFO moved
out from the '#ifdef __KERNEL__' as there is no good reason to hide
it from the userspace. And it's also explicitly rejected now, because
it's for in-kernel use only.
Comments with warnings were added to avoid the problem coming back.
(1 << type) converted to (1ULL << type) to avoid integer overflow on
OVS_KEY_ATTR_IPV6_EXTHDRS, since it equals 32 now.
[1] beb75a40fdc2 ("userspace: Switching of L3 packets in L2 pipeline")
Fixes: 28a3f0601727 ("net: openvswitch: IPv6: Add IPv6 extension header support")
Link: https://lore.kernel.org/netdev/3adf00c7-fe65-3ef4-b6d7-6d8a0cad8a5f@nvidia.com
Link: https://github.com/openvswitch/ovs/commit/beb75a40fdc295bfd6521b0068b4cd12f6de507c
Reported-by: Roi Dayan <roid@nvidia.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Aaron Conole <aconole@redhat.com>
Link: https://lore.kernel.org/r/20220309222033.3018976-1-i.maximets@ovn.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2022-03-10
The first 3 patches are by Oliver Hartkopp, target the CAN ISOTP
protocol and update the CAN frame sending behavior, and increases the
max PDU size to 64 kByte.
The next 2 patches are also by Oliver Hartkopp and update the virtual
VXCAN driver so that CAN frames send into the peer name space show up
as RX'ed CAN frames.
Vincent Mailhol contributes a patch for the etas_es58x driver to fix a
false positive dereference uninitialized variable warning.
2 patches by Ulrich Hecht add r8a779a0 SoC support to the rcar_canfd
driver.
The remaining 21 patches target the gs_usb driver and are by Peter
Fink, Ben Evans, Eric Evenchick and me. This series cleans up the
gs-usb driver, documents some bits of the USB ABI used by the widely
used open source firmware candleLight, adds support for up to 3 CAN
interfaces per USB device, adds CAN-FD support, adds quirks for some
hardware and software workarounds and finally adds support for 2 new
devices.
* tag 'linux-can-next-for-5.18-20220310' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next: (29 commits)
can: gs_usb: add VID/PID for ABE CAN Debugger devices
can: gs_usb: add VID/PID for CES CANext FD devices
can: gs_usb: add extended bt_const feature
can: gs_usb: activate quirks for CANtact Pro unconditionally
can: gs_usb: add quirk for CANtact Pro overlapping GS_USB_BREQ value
can: gs_usb: add usb quirk for NXP LPC546xx controllers
can: gs_usb: add CAN-FD support
can: gs_usb: use union and FLEX_ARRAY for data in struct gs_host_frame
can: gs_usb: support up to 3 channels per device
can: gs_usb: gs_usb_probe(): introduce udev and make use of it
can: gs_usb: document the PAD_PKTS_TO_MAX_PKT_SIZE feature
can: gs_usb: document the USER_ID feature
can: gs_usb: update GS_CAN_FEATURE_IDENTIFY documentation
can: gs_usb: add HW timestamp mode bit
can: gs_usb: gs_make_candev(): call SET_NETDEV_DEV() after handling all bt_const->feature
can: gs_usb: rewrap usb_control_msg() and usb_fill_bulk_urb()
can: gs_usb: rewrap error messages
can: gs_usb: GS_CAN_FLAG_OVERFLOW: make use of BIT()
can: gs_usb: sort include files alphabetically
can: gs_usb: fix checkpatch warning
...
====================
Link: https://lore.kernel.org/r/20220310142903.341658-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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net/dsa/dsa2.c
commit afb3cc1a397d ("net: dsa: unlock the rtnl_mutex when dsa_master_setup() fails")
commit e83d56537859 ("net: dsa: replay master state events in dsa_tree_{setup,teardown}_master")
https://lore.kernel.org/all/20220307101436.7ae87da0@canb.auug.org.au/
drivers/net/ethernet/intel/ice/ice.h
commit 97b0129146b1 ("ice: Fix error with handling of bonding MTU")
commit 43113ff73453 ("ice: add TTY for GNSS module for E810T device")
https://lore.kernel.org/all/20220310112843.3233bcf1@canb.auug.org.au/
drivers/staging/gdm724x/gdm_lte.c
commit fc7f750dc9d1 ("staging: gdm724x: fix use after free in gdm_lte_rx()")
commit 4bcc4249b4cf ("staging: Use netif_rx().")
https://lore.kernel.org/all/20220308111043.1018a59d@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The N_As value describes the time a CAN frame needs on the wire when
transmitted by the CAN controller. Even very short CAN FD frames need
arround 100 usecs (bitrate 1Mbit/s, data bitrate 8Mbit/s).
Having N_As to be zero (the former default) leads to 'no CAN frame
separation' when STmin is set to zero by the receiving node. This 'burst
mode' should not be enabled by default as it could potentially dump a high
number of CAN frames into the netdev queue from the soft hrtimer context.
This does not affect the system stability but is just not nice and
cooperative.
With this N_As/frame_txtime value the 'burst mode' is disabled by default.
As user space applications usually do not set the frame_txtime element
of struct can_isotp_options the new in-kernel default is very likely
overwritten with zero when the sockopt() CAN_ISOTP_OPTS is invoked.
To make sure that a N_As value of zero is only set intentional the
value '0' is now interpreted as 'do not change the current value'.
When a frame_txtime of zero is required for testing purposes this
CAN_ISOTP_FRAME_TXTIME_ZERO u32 value has to be set in frame_txtime.
Link: https://lore.kernel.org/all/20220309120416.83514-2-socketcan@hartkopp.net
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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In some edge scenarios, an MPTCP subflows can use a local address
mapped by a "implicit" endpoint created by the in-kernel path manager.
Such endpoints presence can be confusing, as it's creation is hard
to track and will prevent the later endpoint creation from the user-space
using the same address.
Define a new endpoint flag to mark implicit endpoints and allow the
user-space to replace implicit them with user-provided data at endpoint
creation time.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
Pull fuse fixes from Miklos Szeredi:
- Fix an issue with splice on the fuse device
- Fix a regression in the fileattr API conversion
- Add a small userspace API improvement
* tag 'fuse-fixes-5.17-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse:
fuse: fix pipe buffer lifetime for direct_io
fuse: move FUSE_SUPER_MAGIC definition to magic.h
fuse: fix fileattr op failure
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- a fixup for Goodix touchscreen driver allowing it to work on certain
Cherry Trail devices
- a fix for imbalanced enable/disable regulator in Elam touchpad driver
that became apparent when used with Asus TF103C 2-in-1 dock
- a couple new input keycodes used on newer keyboards
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
HID: add mapping for KEY_ALL_APPLICATIONS
HID: add mapping for KEY_DICTATE
Input: elan_i2c - fix regulator enable count imbalance after suspend/resume
Input: elan_i2c - move regulator_[en|dis]able() out of elan_[en|dis]able_power()
Input: goodix - workaround Cherry Trail devices with a bogus ACPI Interrupt() resource
Input: goodix - use the new soc_intel_is_byt() helper
Input: samsung-keypad - properly state IOMEM dependency
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This patch adds a new key definition for KEY_ALL_APPLICATIONS
and aliases KEY_DASHBOARD to it.
It also maps the 0x0c/0x2a2 usage code to KEY_ALL_APPLICATIONS.
Signed-off-by: William Mahon <wmahon@chromium.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20220303035618.1.I3a7746ad05d270161a18334ae06e3b6db1a1d339@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Numerous keyboards are adding dictate keys which allows for text
messages to be dictated by a microphone.
This patch adds a new key definition KEY_DICTATE and maps 0x0c/0x0d8
usage code to this new keycode. Additionally hid-debug is adjusted to
recognize this new usage code as well.
Signed-off-by: William Mahon <wmahon@chromium.org>
Acked-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20220303021501.1.I5dbf50eb1a7a6734ee727bda4a8573358c6d3ec0@changeid
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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net/batman-adv/hard-interface.c
commit 690bb6fb64f5 ("batman-adv: Request iflink once in batadv-on-batadv check")
commit 6ee3c393eeb7 ("batman-adv: Demote batadv-on-batadv skip error message")
https://lore.kernel.org/all/20220302163049.101957-1-sw@simonwunderlich.de/
net/smc/af_smc.c
commit 4d08b7b57ece ("net/smc: Fix cleanup when register ULP fails")
commit 462791bbfa35 ("net/smc: add sysctl interface for SMC")
https://lore.kernel.org/all/20220302112209.355def40@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from can, xfrm, wifi, bluetooth, and netfilter.
Lots of various size fixes, the length of the tag speaks for itself.
Most of the 5.17-relevant stuff comes from xfrm, wifi and bt trees
which had been lagging as you pointed out previously. But there's also
a larger than we'd like portion of fixes for bugs from previous
releases.
Three more fixes still under discussion, including and xfrm revert for
uAPI error.
Current release - regressions:
- iwlwifi: don't advertise TWT support, prevent FW crash
- xfrm: fix the if_id check in changelink
- xen/netfront: destroy queues before real_num_tx_queues is zeroed
- bluetooth: fix not checking MGMT cmd pending queue, make scanning
work again
Current release - new code bugs:
- mptcp: make SIOCOUTQ accurate for fallback socket
- bluetooth: access skb->len after null check
- bluetooth: hci_sync: fix not using conn_timeout
- smc: fix cleanup when register ULP fails
- dsa: restore error path of dsa_tree_change_tag_proto
- iwlwifi: fix build error for IWLMEI
- iwlwifi: mvm: propagate error from request_ownership to the user
Previous releases - regressions:
- xfrm: fix pMTU regression when reported pMTU is too small
- xfrm: fix TCP MSS calculation when pMTU is close to 1280
- bluetooth: fix bt_skb_sendmmsg not allocating partial chunks
- ipv6: ensure we call ipv6_mc_down() at most once, prevent leaks
- ipv6: prevent leaks in igmp6 when input queues get full
- fix up skbs delta_truesize in UDP GRO frag_list
- eth: e1000e: fix possible HW unit hang after an s0ix exit
- eth: e1000e: correct NVM checksum verification flow
- ptp: ocp: fix large time adjustments
Previous releases - always broken:
- tcp: make tcp_read_sock() more robust in presence of urgent data
- xfrm: distinguishing SAs and SPs by if_id in xfrm_migrate
- xfrm: fix xfrm_migrate issues when address family changes
- dcb: flush lingering app table entries for unregistered devices
- smc: fix unexpected SMC_CLC_DECL_ERR_REGRMB error
- mac80211: fix EAPoL rekey fail in 802.3 rx path
- mac80211: fix forwarded mesh frames AC & queue selection
- netfilter: nf_queue: fix socket access races and bugs
- batman-adv: fix ToCToU iflink problems and check the result belongs
to the expected net namespace
- can: gs_usb, etas_es58x: fix opened_channel_cnt's accounting
- can: rcar_canfd: register the CAN device when fully ready
- eth: igb, igc: phy: drop premature return leaking HW semaphore
- eth: ixgbe: xsk: change !netif_carrier_ok() handling in
ixgbe_xmit_zc(), prevent live lock when link goes down
- eth: stmmac: only enable DMA interrupts when ready
- eth: sparx5: move vlan checks before any changes are made
- eth: iavf: fix races around init, removal, resets and vlan ops
- ibmvnic: more reset flow fixes
Misc:
- eth: fix return value of __setup handlers"
* tag 'net-5.17-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (92 commits)
ipv6: fix skb drops in igmp6_event_query() and igmp6_event_report()
net: dsa: make dsa_tree_change_tag_proto actually unwind the tag proto change
ixgbe: xsk: change !netif_carrier_ok() handling in ixgbe_xmit_zc()
selftests: mlxsw: resource_scale: Fix return value
selftests: mlxsw: tc_police_scale: Make test more robust
net: dcb: disable softirqs in dcbnl_flush_dev()
bnx2: Fix an error message
sfc: extend the locking on mcdi->seqno
net/smc: fix unexpected SMC_CLC_DECL_ERR_REGRMB error cause by server
net/smc: fix unexpected SMC_CLC_DECL_ERR_REGRMB error generated by client
net: arcnet: com20020: Fix null-ptr-deref in com20020pci_probe()
tcp: make tcp_read_sock() more robust
bpf, sockmap: Do not ignore orig_len parameter
net: ipa: add an interconnect dependency
net: fix up skbs delta_truesize in UDP GRO frag_list
iwlwifi: mvm: return value for request_ownership
nl80211: Update bss channel on channel switch for P2P_CLIENT
iwlwifi: fix build error for IWLMEI
ptp: ocp: Add ptp_ocp_adjtime_coarse for large adjustments
batman-adv: Don't expect inter-netns unique iflink indices
...
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* __sk_buff->delivery_time_type:
This patch adds __sk_buff->delivery_time_type. It tells if the
delivery_time is stored in __sk_buff->tstamp or not.
It will be most useful for ingress to tell if the __sk_buff->tstamp
has the (rcv) timestamp or delivery_time. If delivery_time_type
is 0 (BPF_SKB_DELIVERY_TIME_NONE), it has the (rcv) timestamp.
Two non-zero types are defined for the delivery_time_type,
BPF_SKB_DELIVERY_TIME_MONO and BPF_SKB_DELIVERY_TIME_UNSPEC. For UNSPEC,
it can only happen in egress because only mono delivery_time can be
forwarded to ingress now. The clock of UNSPEC delivery_time
can be deduced from the skb->sk->sk_clockid which is how
the sch_etf doing it also.
* Provide forwarded delivery_time to tc-bpf@ingress:
With the help of the new delivery_time_type, the tc-bpf has a way
to tell if the __sk_buff->tstamp has the (rcv) timestamp or
the delivery_time. During bpf load time, the verifier will learn if
the bpf prog has accessed the new __sk_buff->delivery_time_type.
If it does, it means the tc-bpf@ingress is expecting the
skb->tstamp could have the delivery_time. The kernel will then
read the skb->tstamp as-is during bpf insn rewrite without
checking the skb->mono_delivery_time. This is done by adding a
new prog->delivery_time_access bit. The same goes for
writing skb->tstamp.
* bpf_skb_set_delivery_time():
The bpf_skb_set_delivery_time() helper is added to allow setting both
delivery_time and the delivery_time_type at the same time. If the
tc-bpf does not need to change the delivery_time_type, it can directly
write to the __sk_buff->tstamp as the existing tc-bpf has already been
doing. It will be most useful at ingress to change the
__sk_buff->tstamp from the (rcv) timestamp to
a mono delivery_time and then bpf_redirect_*().
bpf only has mono clock helper (bpf_ktime_get_ns), and
the current known use case is the mono EDT for fq, and
only mono delivery time can be kept during forward now,
so bpf_skb_set_delivery_time() only supports setting
BPF_SKB_DELIVERY_TIME_MONO. It can be extended later when use cases
come up and the forwarding path also supports other clock bases.
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The offloaded HW stats are designed to allow per-netdevice enablement and
disablement. Add an attribute, IFLA_STATS_SET_OFFLOAD_XSTATS_L3_STATS,
which should be carried by the RTM_SETSTATS message, and expresses a desire
to toggle L3 offload xstats on or off.
As part of the above, add an exported function rtnl_offload_xstats_notify()
that drivers can use when they have installed or deinstalled the counters
backing the HW stats.
At this point, it is possible to enable, disable and query L3 offload
xstats on netdevices. (However there is no driver actually implementing
these.)
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The offloaded HW stats are designed to allow per-netdevice enablement and
disablement. These stats are only accessible through RTM_GETSTATS, and
therefore should be toggled by a RTM_SETSTATS message. Add it, and the
necessary skeleton handler.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new IFLA_STATS_LINK_OFFLOAD_XSTATS child attribute,
IFLA_OFFLOAD_XSTATS_L3_STATS, to carry statistics for traffic that takes
place in a HW router.
The offloaded HW stats are designed to allow per-netdevice enablement and
disablement. Additionally, as a netdevice is configured, it may become or
cease being suitable for binding of a HW counter. Both of these aspects
need to be communicated to the userspace. To that end, add another child
attribute, IFLA_OFFLOAD_XSTATS_HW_S_INFO:
- attr nest IFLA_OFFLOAD_XSTATS_HW_S_INFO
- attr nest IFLA_OFFLOAD_XSTATS_L3_STATS
- attr IFLA_OFFLOAD_XSTATS_HW_S_INFO_REQUEST
- {0,1} as u8
- attr IFLA_OFFLOAD_XSTATS_HW_S_INFO_USED
- {0,1} as u8
Thus this one attribute is a nest that can be used to carry information
about various types of HW statistics, and indexing is very simply done by
wrapping the information for a given statistics suite into the attribute
that carries the suite is the RTM_GETSTATS query. At the same time, because
_HW_S_INFO is nested directly below IFLA_STATS_LINK_OFFLOAD_XSTATS, it is
possible through filtering to request only the metadata about individual
statistics suites, without having to hit the HW to get the actual counters.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Offloading switch device drivers may be able to collect statistics of the
traffic taking place in the HW datapath that pertains to a certain soft
netdevice, such as VLAN. Add the necessary infrastructure to allow exposing
these statistics to the offloaded netdevice in question. The API was shaped
by the following considerations:
- Collection of HW statistics is not free: there may be a finite number of
counters, and the act of counting may have a performance impact. It is
therefore necessary to allow toggling whether HW counting should be done
for any particular SW netdevice.
- As the drivers are loaded and removed, a particular device may get
offloaded and unoffloaded again. At the same time, the statistics values
need to stay monotonic (modulo the eventual 64-bit wraparound),
increasing only to reflect traffic measured in the device.
To that end, the netdevice keeps around a lazily-allocated copy of struct
rtnl_link_stats64. Device drivers then contribute to the values kept
therein at various points. Even as the driver goes away, the struct stays
around to maintain the statistics values.
- Different HW devices may be able to count different things. The
motivation behind this patch in particular is exposure of HW counters on
Nvidia Spectrum switches, where the only practical approach to counting
traffic on offloaded soft netdevices currently is to use router interface
counters, and count L3 traffic. Correspondingly that is the statistics
suite added in this patch.
Other devices may be able to measure different kinds of traffic, and for
that reason, the APIs are built to allow uniform access to different
statistics suites.
- Because soft netdevices and offloading drivers are only loosely bound, a
netdevice uses a notifier chain to communicate with the drivers. Several
new notifiers, NETDEV_OFFLOAD_XSTATS_*, have been added to carry messages
to the offloading drivers.
- Devices can have various conditions for when a particular counter is
available. As the device is configured and reconfigured, the device
offload may become or cease being suitable for counter binding. A
netdevice can use a notifier type NETDEV_OFFLOAD_XSTATS_REPORT_USED to
ping offloading drivers and determine whether anyone currently implements
a given statistics suite. This information can then be propagated to user
space.
When the driver decides to unoffload a netdevice, it can use a
newly-added function, netdev_offload_xstats_report_delta(), to record
outstanding collected statistics, before destroying the HW counter.
This patch adds a helper, call_netdevice_notifiers_info_robust(), for
dispatching a notifier with the possibility of unwind when one of the
consumers bails. Given the wish to eventually get rid of the global
notifier block altogether, this helper only invokes the per-netns notifier
block.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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The filter_mask field of RTM_GETSTATS header determines which top-level
attributes should be included in the netlink response. This saves
processing time by only including the bits that the user cares about
instead of always dumping everything. This is doubly important for
HW-backed statistics that would typically require a trip to the device to
fetch the stats.
So far there was only one HW-backed stat suite per attribute. However,
IFLA_STATS_LINK_OFFLOAD_XSTATS is a nest, and will gain a new stat suite in
the following patches. It would therefore be advantageous to be able to
filter within that nest, and select just one or the other HW-backed
statistics suite.
Extend rtnetlink so that RTM_GETSTATS permits attributes in the payload.
The scheme is as follows:
- RTM_GETSTATS
- struct if_stats_msg
- attr nest IFLA_STATS_GET_FILTERS
- attr IFLA_STATS_LINK_OFFLOAD_XSTATS
- u32 filter_mask
This scheme reuses the existing enumerators by nesting them in a dedicated
context attribute. This is covered by policies as usual, therefore a
gradual opt-in is possible. Currently only IFLA_STATS_LINK_OFFLOAD_XSTATS
nest has filtering enabled, because for the SW counters the issue does not
seem to be that important.
rtnl_offload_xstats_get_size() and _fill() are extended to observe the
requested filters.
Signed-off-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Add the Ethertype for EtherCAT protocol.
Signed-off-by: Daniel Braunwarth <daniel@braunwarth.dev>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Add the Ethertype for PROFINET protocol.
Signed-off-by: Daniel Braunwarth <daniel@braunwarth.dev>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
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Add support for VXLAN vni filter entries' stats dumping
Signed-off-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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This patch adds new rtm tunnel msg and api for tunnel id
filtering in dst_metadata devices. First dst_metadata
device to use the api is vxlan driver with AF_BRIDGE
family.
This and later changes add ability in vxlan driver to do
tunnel id filtering (or vni filtering) on dst_metadata
devices. This is similar to vlan api in the vlan filtering bridge.
this patch includes selinux nlmsg_route_perms support for RTM_*TUNNEL
api from Benjamin Poirier.
Signed-off-by: Roopa Prabhu <roopa@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec
Steffen Klassert says:
====================
1) Fix PMTU for IPv6 if the reported MTU minus the ESP overhead is
smaller than 1280. From Jiri Bohac.
2) Fix xfrm interface ID and inter address family tunneling when
migrating xfrm states. From Yan Yan.
3) Add missing xfrm intrerface ID initialization on xfrmi_changelink.
From Antony Antony.
4) Enforce validity of xfrm offload input flags so that userspace can't
send undefined flags to the offload driver.
From Leon Romanovsky.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
This change adds a new OpenFlow field OFPXMT_OFB_IPV6_EXTHDR and
packets can be filtered using ipv6_ext flag.
Signed-off-by: Toms Atteka <cpp.code.lv@gmail.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
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Pull kvm fixes from Paolo Bonzini:
"x86 host:
- Expose KVM_CAP_ENABLE_CAP since it is supported
- Disable KVM_HC_CLOCK_PAIRING in TSC catchup mode
- Ensure async page fault token is nonzero
- Fix lockdep false negative
- Fix FPU migration regression from the AMX changes
x86 guest:
- Don't use PV TLB/IPI/yield on uniprocessor guests
PPC:
- reserve capability id (topic branch for ppc/kvm)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: nSVM: disallow userspace setting of MSR_AMD64_TSC_RATIO to non default value when tsc scaling disabled
KVM: x86/mmu: make apf token non-zero to fix bug
KVM: PPC: reserve capability 210 for KVM_CAP_PPC_AIL_MODE_3
x86/kvm: Don't use pv tlb/ipi/sched_yield if on 1 vCPU
x86/kvm: Fix compilation warning in non-x86_64 builds
x86/kvm/fpu: Remove kvm_vcpu_arch.guest_supported_xcr0
x86/kvm/fpu: Limit guest user_xfeatures to supported bits of XCR0
kvm: x86: Disable KVM_HC_CLOCK_PAIRING if tsc is in always catchup mode
KVM: Fix lockdep false negative during host resume
KVM: x86: Add KVM_CAP_ENABLE_CAP to x86
|
|
Add support to set completion queue event size via ethtool -G
parameter and get it via ethtool -g parameter.
~ # ./ethtool -G eth0 cqe-size 512
~ # ./ethtool -g eth0
Ring parameters for eth0:
Pre-set maximums:
RX: 1048576
RX Mini: n/a
RX Jumbo: n/a
TX: 1048576
Current hardware settings:
RX: 256
RX Mini: n/a
RX Jumbo: n/a
TX: 4096
RX Buf Len: 2048
CQE Size: 128
Signed-off-by: Subbaraya Sundeep <sbhatta@marvell.com>
Signed-off-by: Sunil Goutham <sgoutham@marvell.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
In a 802.1X scenario, clients connected to a bridge port shall not
be allowed to have traffic forwarded until fully authenticated.
A static fdb entry of the clients MAC address for the bridge port
unlocks the client and allows bidirectional communication.
This scenario is facilitated with setting the bridge port in locked
mode, which is also supported by various switchcore chipsets.
Signed-off-by: Hans Schultz <schultz.hans+netdev@gmail.com>
Acked-by: Nikolay Aleksandrov <nikolay@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
Add KVM_CAP_PPC_AIL_MODE_3 to advertise the capability to set the AIL
resource mode to 3 with the H_SET_MODE hypercall. This capability
differs between processor types and KVM types (PR, HV, Nested HV), and
affects guest-visible behaviour.
QEMU will implement a cap-ail-mode-3 to control this behaviour[1], and
use the KVM CAP if available to determine KVM support[2].
Reviewed-by: Fabiano Rosas <farosas@linux.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
|
|
...to help userland apps that need to identify FUSE mounts.
Signed-off-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
|
|
This patch add a new bonding option ns_ip6_target, which correspond
to the arp_ip_target. With this we set IPv6 targets and send IPv6 NS
request to determine the health of the link.
For other related options like the validation, we still use
arp_validate, and will change to ns_validate later.
Note: the sysfs configuration support was removed based on
https://lore.kernel.org/netdev/8863.1645071997@famine
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
This patch adds support for MRT6MSG_WRMIFWHOLE which is used to pass
full packet and real vif id when the incoming interface is wrong.
While the RP and FHR are setting up state we need to be sending the
registers encapsulated with all the data inside otherwise we lose it.
The RP then decapsulates it and forwards it to the interested parties.
Currently with WRONGMIF we can only be sending empty register packets
and will lose that data.
This behaviour can be enabled by using MRT_PIM with
val == MRT6MSG_WRMIFWHOLE. This doesn't prevent MRT6MSG_WRONGMIF from
happening, it happens in addition to it, also it is controlled by the same
throttling parameters as WRONGMIF (i.e. 1 packet per 3 seconds currently).
Both messages are generated to keep backwards compatibily and avoid
breaking someone who was enabling MRT_PIM with val == 4, since any
positive val is accepted and treated the same.
Signed-off-by: Mobashshera Rasool <mobash.rasool.linux@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
This patch adds a new protocol attribute to IPv4 and IPv6 addresses.
Inspiration was taken from the protocol attribute of routes. User space
applications like iproute2 can set/get the protocol with the Netlink API.
The attribute is stored as an 8-bit unsigned integer.
The protocol attribute is set by kernel for these categories:
- IPv4 and IPv6 loopback addresses
- IPv6 addresses generated from router announcements
- IPv6 link local addresses
User space may pass custom protocols, not defined by the kernel.
Grouping addresses on their origin is useful in scenarios where you want
to distinguish between addresses based on who added them, e.g. kernel
vs. user space.
Tagging addresses with a string label is an existing feature that could be
used as a solution. Unfortunately the max length of a label is
15 characters, and for compatibility reasons the label must be prefixed
with the name of the device followed by a colon. Since device names also
have a max length of 15 characters, only -1 characters is guaranteed to be
available for any origin tag, which is not that much.
A reference implementation of user space setting and getting protocols
is available for iproute2:
https://github.com/westermo/iproute2/commit/9a6ea18bd79f47f293e5edc7780f315ea42ff540
Signed-off-by: Jacques de Laval <Jacques.De.Laval@westermo.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220217150202.80802-1-Jacques.De.Laval@westermo.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Although we can control SMC handshake limitation through socket options,
which means that applications who need it must modify their code. It's
quite troublesome for many existing applications. This patch modifies
the global default value of SMC handshake limitation through netlink,
providing a way to put constraint on handshake without modifies any code
for applications.
Suggested-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: D. Wythe <alibuda@linux.alibaba.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
This patch aims to add dynamic control for SMC handshake limitation for
every smc sockets, in production environment, it is possible for the
same applications to handle different service types, and may have
different opinion on SMC handshake limitation.
This patch try socket options to complete it, since we don't have socket
option level for SMC yet, which requires us to implement it at the same
time.
This patch does the following:
- add new socket option level: SOL_SMC.
- add new SMC socket option: SMC_LIMIT_HS.
- provide getter/setter for SMC socket options.
Link: https://lore.kernel.org/all/20f504f961e1a803f85d64229ad84260434203bd.1644323503.git.alibuda@linux.alibaba.com/
Signed-off-by: D. Wythe <alibuda@linux.alibaba.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
No conflicts.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from netfilter and can.
Current release - new code bugs:
- sparx5: fix get_stat64 out-of-bound access and crash
- smc: fix netdev ref tracker misuse
Previous releases - regressions:
- eth: ixgbevf: require large buffers for build_skb on 82599VF, avoid
overflows
- eth: ocelot: fix all IP traffic getting trapped to CPU with PTP
over IP
- bonding: fix rare link activation misses in 802.3ad mode
Previous releases - always broken:
- tcp: fix tcp sock mem accounting in zero-copy corner cases
- remove the cached dst when uncloning an skb dst and its metadata,
since we only have one ref it'd lead to an UaF
- netfilter:
- conntrack: don't refresh sctp entries in closed state
- conntrack: re-init state for retransmitted syn-ack, avoid
connection establishment getting stuck with strange stacks
- ctnetlink: disable helper autoassign, avoid it getting lost
- nft_payload: don't allow transport header access for fragments
- dsa: fix use of devres for mdio throughout drivers
- eth: amd-xgbe: disable interrupts during pci removal
- eth: dpaa2-eth: unregister netdev before disconnecting the PHY
- eth: ice: fix IPIP and SIT TSO offload"
* tag 'net-5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (53 commits)
net: dsa: mv88e6xxx: fix use-after-free in mv88e6xxx_mdios_unregister
net: mscc: ocelot: fix mutex lock error during ethtool stats read
ice: Avoid RTNL lock when re-creating auxiliary device
ice: Fix KASAN error in LAG NETDEV_UNREGISTER handler
ice: fix IPIP and SIT TSO offload
ice: fix an error code in ice_cfg_phy_fec()
net: mpls: Fix GCC 12 warning
dpaa2-eth: unregister the netdev before disconnecting from the PHY
skbuff: cleanup double word in comment
net: macb: Align the dma and coherent dma masks
mptcp: netlink: process IPv6 addrs in creating listening sockets
selftests: mptcp: add missing join check
net: usb: qmi_wwan: Add support for Dell DW5829e
vlan: move dev_put into vlan_dev_uninit
vlan: introduce vlan_dev_free_egress_priority
ax25: fix UAF bugs of net_device caused by rebinding operation
net: dsa: fix panic when DSA master device unbinds on shutdown
net: amd-xgbe: disable interrupts during pci removal
tipc: rate limit warning for received illegal binding update
net: mdio: aspeed: Add missing MODULE_DEVICE_TABLE
...
|
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Pablo Neira Ayuso says:
====================
Netfilter updates for net-next
1) Conntrack sets on CHECKSUM_UNNECESSARY for UDP packet with no checksum,
from Kevin Mitchell.
2) skb->priority support for nfqueue, from Nicolas Dichtel.
3) Remove conntrack extension register API, from Florian Westphal.
4) Move nat destroy hook to nf_nat_hook instead, to remove
nf_ct_ext_destroy(), also from Florian.
5) Wrap pptp conntrack NAT hooks into single structure, from Florian Westphal.
6) Support for tcp option set to noop for nf_tables, also from Florian.
7) Do not run x_tables comment match from packet path in nf_tables,
from Florian Westphal.
8) Replace spinlock by cmpxchg() loop to update missed ct event,
from Florian Westphal.
9) Wrap cttimeout hooks into single structure, from Florian.
10) Add fast nft_cmp expression for up to 16-bytes.
11) Use cb->ctx to store context in ctnetlink dump, instead of using
cb->args[], from Florian Westphal.
* git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: ctnetlink: use dump structure instead of raw args
nfqueue: enable to set skb->priority
netfilter: nft_cmp: optimize comparison for 16-bytes
netfilter: cttimeout: use option structure
netfilter: ecache: don't use nf_conn spinlock
netfilter: nft_compat: suppress comment match
netfilter: exthdr: add support for tcp option removal
netfilter: conntrack: pptp: use single option structure
netfilter: conntrack: remove extension register api
netfilter: conntrack: handle ->destroy hook via nat_ops instead
netfilter: conntrack: move extension sizes into core
netfilter: conntrack: make all extensions 8-byte alignned
netfilter: nfqueue: enable to get skb->priority
netfilter: conntrack: mark UDP zero checksum as CHECKSUM_UNNECESSARY
====================
Link: https://lore.kernel.org/r/20220209133616.165104-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
|
|
Daniel Borkmann says:
====================
pull-request: bpf-next 2022-02-09
We've added 126 non-merge commits during the last 16 day(s) which contain
a total of 201 files changed, 4049 insertions(+), 2215 deletions(-).
The main changes are:
1) Add custom BPF allocator for JITs that pack multiple programs into a huge
page to reduce iTLB pressure, from Song Liu.
2) Add __user tagging support in vmlinux BTF and utilize it from BPF
verifier when generating loads, from Yonghong Song.
3) Add per-socket fast path check guarding from cgroup/BPF overhead when
used by only some sockets, from Pavel Begunkov.
4) Continued libbpf deprecation work of APIs/features and removal of their
usage from samples, selftests, libbpf & bpftool, from Andrii Nakryiko
and various others.
5) Improve BPF instruction set documentation by adding byte swap
instructions and cleaning up load/store section, from Christoph Hellwig.
6) Switch BPF preload infra to light skeleton and remove libbpf dependency
from it, from Alexei Starovoitov.
7) Fix architecture-agnostic macros in libbpf for accessing syscall
arguments from BPF progs for non-x86 architectures,
from Ilya Leoshkevich.
8) Rework port members in struct bpf_sk_lookup and struct bpf_sock to be
of 16-bit field with anonymous zero padding, from Jakub Sitnicki.
9) Add new bpf_copy_from_user_task() helper to read memory from a different
task than current. Add ability to create sleepable BPF iterator progs,
from Kenny Yu.
10) Implement XSK batching for ice's zero-copy driver used by AF_XDP and
utilize TX batching API from XSK buffer pool, from Maciej Fijalkowski.
11) Generate temporary netns names for BPF selftests to avoid naming
collisions, from Hangbin Liu.
12) Implement bpf_core_types_are_compat() with limited recursion for
in-kernel usage, from Matteo Croce.
13) Simplify pahole version detection and finally enable CONFIG_DEBUG_INFO_DWARF5
to be selected with CONFIG_DEBUG_INFO_BTF, from Nathan Chancellor.
14) Misc minor fixes to libbpf and selftests from various folks.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next: (126 commits)
selftests/bpf: Cover 4-byte load from remote_port in bpf_sk_lookup
bpf: Make remote_port field in struct bpf_sk_lookup 16-bit wide
libbpf: Fix compilation warning due to mismatched printf format
selftests/bpf: Test BPF_KPROBE_SYSCALL macro
libbpf: Add BPF_KPROBE_SYSCALL macro
libbpf: Fix accessing the first syscall argument on s390
libbpf: Fix accessing the first syscall argument on arm64
libbpf: Allow overriding PT_REGS_PARM1{_CORE}_SYSCALL
selftests/bpf: Skip test_bpf_syscall_macro's syscall_arg1 on arm64 and s390
libbpf: Fix accessing syscall arguments on riscv
libbpf: Fix riscv register names
libbpf: Fix accessing syscall arguments on powerpc
selftests/bpf: Use PT_REGS_SYSCALL_REGS in bpf_syscall_macro
libbpf: Add PT_REGS_SYSCALL_REGS macro
selftests/bpf: Fix an endianness issue in bpf_syscall_macro test
bpf: Fix bpf_prog_pack build HPAGE_PMD_SIZE
bpf: Fix leftover header->pages in sparc and powerpc code.
libbpf: Fix signedness bug in btf_dump_array_data()
selftests/bpf: Do not export subtest as standalone test
bpf, x86_64: Fail gracefully on bpf_jit_binary_pack_finalize failures
...
====================
Link: https://lore.kernel.org/r/20220209210050.8425-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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In the commit c504e5c2f964 ("net: skb: introduce kfree_skb_reason()")
drop reason is introduced to the tracepoint of kfree_skb. Therefore,
drop_monitor is able to report the drop reason to users by netlink.
The drop reasons are reported as string to users, which is exactly
the same as what we do when reporting it to ftrace.
Signed-off-by: Menglong Dong <imagedong@tencent.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20220209060838.55513-1-imagedong@tencent.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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remote_port is another case of a BPF context field documented as a 32-bit
value in network byte order for which the BPF context access converter
generates a load of a zero-padded 16-bit integer in network byte order.
First such case was dst_port in bpf_sock which got addressed in commit
4421a582718a ("bpf: Make dst_port field in struct bpf_sock 16-bit wide").
Loading 4-bytes from the remote_port offset and converting the value with
bpf_ntohl() leads to surprising results, as the expected value is shifted
by 16 bits.
Reduce the confusion by splitting the field in two - a 16-bit field holding
a big-endian integer, and a 16-bit zero-padding anonymous field that
follows it.
Suggested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Jakub Sitnicki <jakub@cloudflare.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20220209184333.654927-2-jakub@cloudflare.com
|
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This change adds a couple of new ioctls for mctp sockets:
SIOCMCTPALLOCTAG and SIOCMCTPDROPTAG. These ioctls provide facilities
for explicit allocation / release of tags, overriding the automatic
allocate-on-send/release-on-reply and timeout behaviours. This allows
userspace more control over messages that may not fit a simple
request/response model.
In order to indicate a pre-allocated tag to the sendmsg() syscall, we
introduce a new flag to the struct sockaddr_mctp.smctp_tag value:
MCTP_TAG_PREALLOC.
Additional changes from Jeremy Kerr <jk@codeconstruct.com.au>.
Contains a fix that was:
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Matt Johnston <matt@codeconstruct.com.au>
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
struct xfrm_user_offload has flags variable that received user input,
but kernel didn't check if valid bits were provided. It caused a situation
where not sanitized input was forwarded directly to the drivers.
For example, XFRM_OFFLOAD_IPV6 define that was exposed, was used by
strongswan, but not implemented in the kernel at all.
As a solution, check and sanitize input flags to forward
XFRM_OFFLOAD_INBOUND to the drivers.
Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
|
|
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Borislav Petkov:
- Intel/PT: filters could crash the kernel
- Intel: default disable the PMU for SMM, some new-ish EFI firmware has
started using CPL3 and the PMU CPL filters don't discriminate against
SMM, meaning that CPL3 (userspace only) events now also count EFI/SMM
cycles.
- Fixup for perf_event_attr::sig_data
* tag 'perf_urgent_for_v5.17_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel/pt: Fix crash with stop filters in single-range mode
perf: uapi: Document perf_event_attr::sig_data truncation on 32 bit architectures
selftests/perf_events: Test modification of perf_event_attr::sig_data
perf: Copy perf_event_attr::sig_data on modification
x86/perf: Default set FREEZE_ON_SMI for all
|
|
Pull kvm fixes from Paolo Bonzini:
"ARM:
- A couple of fixes when handling an exception while a SError has
been delivered
- Workaround for Cortex-A510's single-step erratum
RISC-V:
- Make CY, TM, and IR counters accessible in VU mode
- Fix SBI implementation version
x86:
- Report deprecation of x87 features in supported CPUID
- Preparation for fixing an interrupt delivery race on AMD hardware
- Sparse fix
All except POWER and s390:
- Rework guest entry code to correctly mark noinstr areas and fix
vtime' accounting (for x86, this was already mostly correct but not
entirely; for ARM, MIPS and RISC-V it wasn't)"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: Use ERR_PTR_USR() to return -EFAULT as a __user pointer
KVM: x86: Report deprecated x87 features in supported CPUID
KVM: arm64: Workaround Cortex-A510's single-step and PAC trap errata
KVM: arm64: Stop handle_exit() from handling HVC twice when an SError occurs
KVM: arm64: Avoid consuming a stale esr value when SError occur
RISC-V: KVM: Fix SBI implementation version
RISC-V: KVM: make CY, TM, and IR counters accessible in VU mode
kvm/riscv: rework guest entry logic
kvm/arm64: rework guest entry logic
kvm/x86: rework guest entry logic
kvm/mips: rework guest entry logic
kvm: add guest_state_{enter,exit}_irqoff()
KVM: x86: Move delivery of non-APICv interrupt into vendor code
kvm: Move KVM_GET_XSAVE2 IOCTL definition at the end of kvm.h
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git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD
KVM/arm64 fixes for 5.17, take #2
- A couple of fixes when handling an exception while a SError has been
delivered
- Workaround for Cortex-A510's single-step[ erratum
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Add the insertion frequency uapi for IOAM lwtunnels.
Signed-off-by: Justin Iurman <justin.iurman@uliege.be>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This info could be useful to improve traffic analysis.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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