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Documentation/networking/switchdev.rst says:
- with VLAN filtering turned off: the bridge is strictly VLAN unaware and its
data path will process all Ethernet frames as if they are VLAN-untagged.
The bridge VLAN database can still be modified, but the modifications should
have no effect while VLAN filtering is turned off.
This breaks if we immediately apply the VLAN configuration, so skip
writing it when vlan_filtering is off.
Fixes: 0ee2af4ebbe3 ("net: dsa: set configure_vlan_while_not_filtering to true by default")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-9-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Since we cannot set forwarding destinations per VLAN, we should not have
a VLAN 0 configured, as it would allow untagged traffic to work across
ports on VLAN aware bridges regardless if a PVID untagged VLAN exists.
So remove the VLAN 0 on join, an re-add it on leave. But only do so if
we have a VLAN aware bridge, as without it, untagged traffic would
become tagged with VID 0 on a VLAN unaware bridge.
Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-8-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While JOIN_ALL_VLAN allows to join all VLANs, we still need to keep the
default VLAN enabled so that untagged traffic stays untagged.
So rejoin the default VLAN even for switches with JOIN_ALL_VLAN support.
Fixes: 48aea33a77ab ("net: dsa: b53: Add JOIN_ALL_VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-7-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The untagged default VLAN is added to the default vlan, which may be
one, but we modify the VLAN 0 entry on bridge leave.
Fix this to use the correct VLAN entry for the default pvid.
Fixes: fea83353177a ("net: dsa: b53: Fix default VLAN ID")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-6-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Presumably the intention here was to flush the VLAN of the old pvid, not
the added VLAN again, which we already flushed before.
Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-5-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Currently the PVID of ports are only set when adding/updating VLANs with
PVID set or removing VLANs, but not when clearing the PVID flag of a
VLAN.
E.g. the following flow
$ ip link add br0 type bridge vlan_filtering 1
$ ip link set sw1p1 master bridge
$ bridge vlan add dev sw1p1 vid 10 pvid untagged
$ bridge vlan add dev sw1p1 vid 10 untagged
Would keep the PVID set as 10, despite the flag being cleared. Fix this
by checking if we need to unset the PVID on vlan updates.
Fixes: a2482d2ce349 ("net: dsa: b53: Plug in VLAN support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-4-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The Broadcom management header does not carry the original VLAN tag
state information, just the ingress port, so for untagged frames we do
not know from which VLAN they originated.
Therefore keep the CPU port always tagged except for VLAN 0.
Fixes the following setup:
$ ip link add br0 type bridge vlan_filtering 1
$ ip link set sw1p1 master br0
$ bridge vlan add dev br0 pvid untagged self
$ ip link add sw1p2.10 link sw1p2 type vlan id 10
Where VID 10 would stay untagged on the CPU port.
Fixes: 2c32a3d3c233 ("net: dsa: b53: Do not force CPU to be always tagged")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-3-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Allow reserved multicast to ignore VLAN membership so STP and other
management protocols work without a PVID VLAN configured when using a
vlan aware bridge.
Fixes: 967dd82ffc52 ("net: dsa: b53: Add support for Broadcom RoboSwitch")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Link: https://patch.msgid.link/20250429201710.330937-2-jonas.gorski@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Make veth_pool_store detect requested pool changes, close device if
necessary, update pool, and reopen device.
Signed-off-by: Dave Marquardt <davemarq@linux.ibm.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506160004.328347-1-davemarq@linux.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski says:
====================
netlink: specs: remove phantom structs
rt-netlink and nl80211 have a few structs which may be helpful for Python
decoding of binary attrs, but which don't actually exist in the C uAPI.
This prevents us from using struct pointers for binary types in C.
We could support this situation better in the codegen, or add these
structs to uAPI. That said Johannes suggested we remove the WiFi
structs for now, and the rt-link ones are semi-broken.
Drop the struct definitions, for now, if someone has a need to use
such structs in Python (as opposed to them being defined for completeness)
we can revist.
v1: https://lore.kernel.org/20250505170215.253672-1-kuba@kernel.org
====================
Link: https://patch.msgid.link/20250506194101.696272-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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devconf is even odder than SNMP. On input it reports an array of u32s
which seem to be indexed by the enum values - 1. On output kernel
expects a nest where each attr has the enum type as the nla type.
sub-type: u32 is probably best we can do right now.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250506194101.696272-5-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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uAPI doesn't define structs for the SNMP counters, just enums to index
them as arrays. Switch to the same representation in the spec. C codegen
will soon need all the struct types to actually exist.
Note that the existing definition was broken, anyway, as the first
member should be the number of counters reported.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250506194101.696272-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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C codegen will soon support using struct types for binary attrs.
Correct the struct names in OvS specs.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://patch.msgid.link/20250506194101.696272-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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C codegen will soon use structs for binary types. A handful of structs
in WiFi carry information elements from the wire, defined by the standard.
The structs are not part of uAPI, so we can't use them in C directly.
We could add them to the uAPI or add some annotation to tell the codegen
to output a local version to the user header. The former seems arbitrary
since we don't expose structs for most of the standard. The latter seems
like a lot of work for a rare occurrence. Drop the struct info for now.
Reviewed-by: Donald Hunter <donald.hunter@gmail.com>
Link: https://lore.kernel.org/004030652d592b379e730be2f0344bebc4a03475.camel@sipsolutions.net
Link: https://patch.msgid.link/20250506194101.696272-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Jakub Kicinski says:
====================
tools: ynl-gen: split presence metadata
The presence metadata indicates whether given attribute was/should be
added to the Netlink message. We have 3 types of such metadata:
- bit presence for simple values like integers,
- len presence for variable size attrs, like binary and strings,
- count for arrays.
Previously this information was spread around with first two types
living in a dedicated sub-struct called _present. The counts resided
directly in the main struct with an n_ prefix.
Reshuffle these an uniformly store them in dedicated sub-structs.
The immediate motivation is that current scheme causes name collisions
for TC.
====================
Link: https://patch.msgid.link/20250505165208.248049-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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While we reshuffle the presence members, move the counts as well.
Previously array count members would have been place directly in
the struct, so:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
} _present;
struct {
u32 bin;
} _len;
u32 a;
u64 b;
const unsigned char *bin;
u32 n_multi; << count
u32 *multi; << objects
};
Since len has been moved to its own presence struct move the count
as well:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
} _present;
struct {
u32 bin;
} _len;
struct {
u32 multi; << count
} _count;
u32 a;
u64 b;
const unsigned char *bin;
u32 *multi; << objects
};
This improves the consistency and allows us to remove some hacks
in the codegen. Unlike for len there is no known name collision
with the existing scheme.
Link: https://patch.msgid.link/20250505165208.248049-4-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Each YNL struct contains the data and a sub-struct indicating which
fields are valid. Something like:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
u32 bin_len;
} _present;
u32 a;
u64 b;
const unsigned char *bin;
};
Note that the bin object 'bin' has a length stored, and that length
has a _len suffix added to the field name. This breaks if there
is a explicit field called bin_len, which is the case for some
TC actions. Move the length fields out of the _present struct,
create a new struct called _len:
struct family_op_req {
struct {
u32 a:1;
u32 b:1;
} _present;
struct {
u32 bin;
} _len;
u32 a;
u64 b;
const unsigned char *bin;
};
This should prevent name collisions and help with the packing
of the struct.
Unfortunately this is a breaking change, but hopefully the migration
isn't too painful.
Link: https://patch.msgid.link/20250505165208.248049-3-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Internal change to the code gen. Rename how we indicate a type
has a single bit presence from using a 'bit' string to 'present'.
This is a noop in terms of generated code but will make next
breaking change easier.
Reviewed-by: David Wei <dw@davidwei.uk>
Link: https://patch.msgid.link/20250505165208.248049-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Meghana Malladi says:
====================
Bug fixes from XDP patch series
This patch series fixes the bugs introduced while adding
xdp support in the icssg driver, and were reproduced while
running xdp-trafficgen to generate xdp traffic on icssg interfaces.
v1: https://lore.kernel.org/all/20250428120459.244525-1-m-malladi@ti.com/
====================
Link: https://patch.msgid.link/20250506110546.4065715-1-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When sending out any kind of traffic, it is essential that the driver
keeps reporting BQL of the number of bytes that have been sent so that
BQL can track the amount of data in the queue and prevents it from
overflowing. If BQL is not reported, the driver may continue sending
packets even when the queue is full, leading to packet loss, congestion
and decreased network performance. Currently this is missing in
emac_xmit_xdp_frame() and this patch fixes it.
Fixes: 62aa3246f462 ("net: ti: icssg-prueth: Add XDP support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506110546.4065715-4-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add __netif_tx_lock() to ensure that only one packet is being
transmitted at a time to avoid race conditions in the netif_txq
struct and prevent packet data corruption. Failing to do so causes
kernel panic with the following error:
[ 2184.746764] ------------[ cut here ]------------
[ 2184.751412] kernel BUG at lib/dynamic_queue_limits.c:99!
[ 2184.756728] Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
logs: https://gist.github.com/MeghanaMalladiTI/9c7aa5fc3b7fb03f87c74aad487956e9
The lock is acquired before calling emac_xmit_xdp_frame() and released after the
call returns. This ensures that the TX queue is protected from concurrent access
during the transmission of XDP frames.
Fixes: 62aa3246f462 ("net: ti: icssg-prueth: Add XDP support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506110546.4065715-3-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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xdp_features demonstrates what all XDP capabilities are supported
on a given network device. The driver needs to set these xdp_features
flag to let the network stack know what XDP features a given driver
is supporting. These flags need to be set for a given ndev irrespective
of any XDP program being loaded or not.
Fixes: 62aa3246f462 ("net: ti: icssg-prueth: Add XDP support")
Signed-off-by: Meghana Malladi <m-malladi@ti.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Link: https://patch.msgid.link/20250506110546.4065715-2-m-malladi@ti.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When switching network namespaces with the bpf_redirect_peer helper, the
skb->mark and skb->tstamp fields are not zeroed out like they can be on
a typical netns switch. This patch clarifies that in the helper
description.
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/ccc86af26d43c5c0b776bcba2601b7479c0d46d0.1746460653.git.paul.chaignon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When bpf_redirect_peer is used to redirect packets to a device in
another network namespace, the skb isn't scrubbed. That can lead skb
information from one namespace to be "misused" in another namespace.
As one example, this is causing Cilium to drop traffic when using
bpf_redirect_peer to redirect packets that just went through IPsec
decryption to a container namespace. The following pwru trace shows (1)
the packet path from the host's XFRM layer to the container's XFRM
layer where it's dropped and (2) the number of active skb extensions at
each function.
NETNS MARK IFACE TUPLE FUNC
4026533547 d00 eth0 10.244.3.124:35473->10.244.2.158:53 xfrm_rcv_cb
.active_extensions = (__u8)2,
4026533547 d00 eth0 10.244.3.124:35473->10.244.2.158:53 xfrm4_rcv_cb
.active_extensions = (__u8)2,
4026533547 d00 eth0 10.244.3.124:35473->10.244.2.158:53 gro_cells_receive
.active_extensions = (__u8)2,
[...]
4026533547 0 eth0 10.244.3.124:35473->10.244.2.158:53 skb_do_redirect
.active_extensions = (__u8)2,
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 ip_rcv
.active_extensions = (__u8)2,
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 ip_rcv_core
.active_extensions = (__u8)2,
[...]
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 udp_queue_rcv_one_skb
.active_extensions = (__u8)2,
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 __xfrm_policy_check
.active_extensions = (__u8)2,
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 __xfrm_decode_session
.active_extensions = (__u8)2,
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 security_xfrm_decode_session
.active_extensions = (__u8)2,
4026534999 0 eth0 10.244.3.124:35473->10.244.2.158:53 kfree_skb_reason(SKB_DROP_REASON_XFRM_POLICY)
.active_extensions = (__u8)2,
In this case, there are no XFRM policies in the container's network
namespace so the drop is unexpected. When we decrypt the IPsec packet,
the XFRM state used for decryption is set in the skb extensions. This
information is preserved across the netns switch. When we reach the
XFRM policy check in the container's netns, __xfrm_policy_check drops
the packet with LINUX_MIB_XFRMINNOPOLS because a (container-side) XFRM
policy can't be found that matches the (host-side) XFRM state used for
decryption.
This patch fixes this by scrubbing the packet when using
bpf_redirect_peer, as is done on typical netns switches via veth
devices except skb->mark and skb->tstamp are not zeroed.
Fixes: 9aa1206e8f482 ("bpf: Add redirect_peer helper")
Signed-off-by: Paul Chaignon <paul.chaignon@gmail.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Link: https://patch.msgid.link/1728ead5e0fe45e7a6542c36bd4e3ca07a73b7d6.1746460653.git.paul.chaignon@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The official Airoha EN7581 firmware requires adding max_packet field in
ppe_mbox_data struct while the unofficial one used to develop the Airoha
EN7581 flowtable support does not require this field.
This patch does not introduce any real backwards compatible issue since
EN7581 fw is not publicly available in linux-firmware or other
repositories (e.g. OpenWrt) yet and the official fw version will use this
new layout. For this reason this change needs to be backported.
Moreover, make explicit the padding added by the compiler introducing
the rsv array in init_info struct.
At the same time use u32 instead of int for init_info and set_info
struct definitions in ppe_mbox_data struct.
Fixes: 23290c7bc190d ("net: airoha: Introduce Airoha NPU support")
Reviewed-by: Simon Horman <horms@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20250506-airoha-en7581-fix-ppe_mbox_data-v5-1-29cabed6864d@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contain Netfilter/IPVS fixes for net:
1) Fix KMSAN uninit-value in do_output_route4, reported by syzbot.
Patch from Julian Anastasov.
2) ipset hashtable set type breaks up the hashtable into regions of
2^10 buckets. Fix the macro that determines the hashtable lock
region to protect concurrent updates. From Jozsef Kadlecsik.
* tag 'nf-25-05-08' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
netfilter: ipset: fix region locking in hash types
ipvs: fix uninit-value for saddr in do_output_route4
====================
Link: https://patch.msgid.link/20250507221952.86505-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This patch replaces the manual Netlink attribute iteration in
output_userspace() with nla_for_each_nested(), which ensures that only
well-formed attributes are processed.
Fixes: ccb1352e76cf ("net: Add Open vSwitch kernel components.")
Signed-off-by: Eelco Chaudron <echaudro@redhat.com>
Acked-by: Ilya Maximets <i.maximets@ovn.org>
Acked-by: Aaron Conole <aconole@redhat.com>
Link: https://patch.msgid.link/0bd65949df61591d9171c0dc13e42cea8941da10.1746541734.git.echaudro@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Reading back the remapped HDP flush register seems to cause
problems on some platforms. All we need is a read, so read back
the memcfg register.
Fixes: c9b8dcabb52a ("drm/amdgpu/hdp4.0: do a posting read when flushing HDP")
Reported-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lists.freedesktop.org/archives/amd-gfx/2025-April/123150.html
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4119
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3908
Reviewed-by: Felix Kuehling <felix.kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5c937b4a6050316af37ef214825b6340b5e9e391)
Cc: stable@vger.kernel.org
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Set the s3/s0ix and s4 flags in the pm notifier so that we can skip
the resource evictions properly in pm prepare based on whether
we are suspending or hibernating. Drop the eviction as processes
are not frozen at this time, we we can end up getting stuck trying
to evict VRAM while applications continue to submit work which
causes the buffers to get pulled back into VRAM.
v2: Move suspend flags out of pm notifier (Mario)
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/4178
Fixes: 2965e6355dcd ("drm/amd: Add Suspend/Hibernate notification callback support")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 06f2dcc241e7e5c681f81fbc46cacdf4bfd7d6d7)
Cc: stable@vger.kernel.org
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This reverts commit 3a9626c816db901def438dc2513622e281186d39.
This breaks S4 because we end up setting the s3/s0ix flags
even when we are entering s4 since prepare is used by both
flows. The causes both the S3/s0ix and s4 flags to be set
which breaks several checks in the driver which assume they
are mutually exclusive.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3634
Cc: Mario Limonciello <mario.limonciello@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit ce8f7d95899c2869b47ea6ce0b3e5bf304b2fff4)
Cc: stable@vger.kernel.org
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VCN1_AON_SOC_ADDRESS_3_0 offset varies on different
VCN generations, the issue in vcn4.0.5 is caused by
a different VCN1_AON_SOC_ADDRESS_3_0 offset.
This patch does the following:
1. use the same offset for other VCN generations.
2. use the vcn4.0.5 special offset
3. update vcn_4_0 and vcn_5_0
Acked-by: Saleemkhan Jamadar <saleemkhan.jamadar@amd.com>
Reviewed-by: Leo Liu <leo.liu@amd.com>
Signed-off-by: Ruijing Dong <ruijing.dong@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 5c89ceda9984498b28716944633a9a01cbb2c90d)
Cc: stable@vger.kernel.org
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[Why]
We incorrectly ack all bytes get written when the reply actually is defer.
When it's defer, means sink is not ready for the request. We should
retry the request.
[How]
Only reply all data get written when receive I2C_ACK|AUX_ACK. Otherwise,
reply the number of actual written bytes received from the sink.
Add some messages to facilitate debugging as well.
Fixes: ad6756b4d773 ("drm/amd/display: Shift dc link aux to aux_payload")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 3637e457eb0000bc37d8bbbec95964aad2fb29fd)
Cc: stable@vger.kernel.org
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[Why]
amdgpu_dm_process_dmub_aux_transfer_sync() should return all exact data
reply from the sink side. Don't do the analysis job in it.
[How]
Remove unnecessary check condition AUX_TRANSACTION_REPLY_AUX_ACK.
Fixes: ead08b95fa50 ("drm/amd/display: Fix race condition in DPIA AUX transfer")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 9b540e3fe6796fec4fb1344f3be8952fc2f084d4)
Cc: stable@vger.kernel.org
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[Why & How]
"Request length != reply length" is expected behavior defined in spec.
It's not an invalid reply. Besides, replied data handling logic is not
designed to be written in amdgpu_dm_process_dmub_aux_transfer_sync().
Remove the incorrectly handling section.
Fixes: ead08b95fa50 ("drm/amd/display: Fix race condition in DPIA AUX transfer")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 81b5c6fa62af62fe89ae9576f41aae37830b94cb)
Cc: stable@vger.kernel.org
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[Why & How]
Fix the checking condition for detecting AUX_RET_ERROR_PROTOCOL_ERROR.
It was wrongly checking by "not equals to"
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 1db6c9e9b62e1a8912f0a281c941099fca678da3)
Cc: stable@vger.kernel.org
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[Why]
Defined value of dmub AUX reply command field get updated but didn't
adjust dm receiving side accordingly.
[How]
Check the received reply command value to see if it's updated version
or not. Adjust it if necessary.
Fixes: ead08b95fa50 ("drm/amd/display: Fix race condition in DPIA AUX transfer")
Cc: Mario Limonciello <mario.limonciello@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Wayne Lin <Wayne.Lin@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit d5c9ade755a9afa210840708a12a8f44c0d532f4)
Cc: stable@vger.kernel.org
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[Why]
Memory allocation occurs within dml21_validate() for adding phantom planes.
May cause kernel to be tainted due to usage of FP Start.
[How]
Move FP start from dml21_validate to before mode programming/mode support.
Calculations requiring floating point are all done within mode programming
or mode support.
Reviewed-by: Alvin Lee <alvin.lee2@amd.com>
Signed-off-by: Austin Zheng <Austin.Zheng@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit fe3250f10819b411808ab9ae1d824c5fc9b59170)
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[WHY & HOW]
Remove the unnecessary DC_FP_START/DC_FP_END pair to reduce time in
preempt_disable. It also fixes "BUG: sleeping function called from
invalid context" error messages because of calling kzalloc with
GFP_KERNEL which can sleep.
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 94da0735b67b3ada90a3e2e017d306f070306f1d)
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[Why]
FAMS2 expects vmin/vmax to be updated in the case when freesync is
off, but supported. But we only update it when freesync is enabled.
[How]
Change the vsync handler such that dc_stream_adjust_vmin_vmax() its called
irrespective of whether freesync is enabled. If freesync is supported,
then there is no harm in updating vmin/vmax registers.
Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3546
Reviewed-by: ChiaHsuan Chung <chiahsuan.chung@amd.com>
Signed-off-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit cfb2d41831ee5647a4ae0ea7c24971a92d5dfa0d)
Cc: stable@vger.kernel.org
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[Why]
"BUG: sleeping function called from invalid context" error.
after:
"drm/amd/display: Protect FPU in dml2_validate()/dml21_validate()"
The populate_dml_plane_cfg_from_plane_state() uses the GFP_KERNEL flag
for memory allocation, which shouldn't be used in atomic contexts.
The allocation is needed only for using another helper function
get_scaler_data_for_plane().
[How]
Modify helpers to pass a pointer to scaler_data within existing context,
eliminating the need for dynamic memory allocation/deallocation
and copying.
Fixes: 366e77cd4923 ("drm/amd/display: Protect FPU in dml2_validate()/dml21_validate()")
Reviewed-by: Aurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: Roman Li <Roman.Li@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit bd3e84bc98f81b44f2c43936bdadc3241d654259)
Cc: stable@vger.kernel.org
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Region locking introduced in v5.6-rc4 contained three macros to handle
the region locks: ahash_bucket_start(), ahash_bucket_end() which gave
back the start and end hash bucket values belonging to a given region
lock and ahash_region() which should give back the region lock belonging
to a given hash bucket. The latter was incorrect which can lead to a
race condition between the garbage collector and adding new elements
when a hash type of set is defined with timeouts.
Fixes: f66ee0410b1c ("netfilter: ipset: Fix "INFO: rcu detected stall in hash_xxx" reports")
Reported-by: Kota Toda <kota.toda@gmo-cybersecurity.com>
Signed-off-by: Jozsef Kadlecsik <kadlec@netfilter.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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syzbot reports for uninit-value for the saddr argument [1].
commit 4754957f04f5 ("ipvs: do not use random local source address for
tunnels") already implies that the input value of saddr
should be ignored but the code is still reading it which can prevent
to connect the route. Fix it by changing the argument to ret_saddr.
[1]
BUG: KMSAN: uninit-value in do_output_route4+0x42c/0x4d0 net/netfilter/ipvs/ip_vs_xmit.c:147
do_output_route4+0x42c/0x4d0 net/netfilter/ipvs/ip_vs_xmit.c:147
__ip_vs_get_out_rt+0x403/0x21d0 net/netfilter/ipvs/ip_vs_xmit.c:330
ip_vs_tunnel_xmit+0x205/0x2380 net/netfilter/ipvs/ip_vs_xmit.c:1136
ip_vs_in_hook+0x1aa5/0x35b0 net/netfilter/ipvs/ip_vs_core.c:2063
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xf7/0x400 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
__ip_local_out+0x758/0x7e0 net/ipv4/ip_output.c:118
ip_local_out net/ipv4/ip_output.c:127 [inline]
ip_send_skb+0x6a/0x3c0 net/ipv4/ip_output.c:1501
udp_send_skb+0xfda/0x1b70 net/ipv4/udp.c:1195
udp_sendmsg+0x2fe3/0x33c0 net/ipv4/udp.c:1483
inet_sendmsg+0x1fc/0x280 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x267/0x380 net/socket.c:727
____sys_sendmsg+0x91b/0xda0 net/socket.c:2566
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2620
__sys_sendmmsg+0x41d/0x880 net/socket.c:2702
__compat_sys_sendmmsg net/compat.c:360 [inline]
__do_compat_sys_sendmmsg net/compat.c:367 [inline]
__se_compat_sys_sendmmsg net/compat.c:364 [inline]
__ia32_compat_sys_sendmmsg+0xc8/0x140 net/compat.c:364
ia32_sys_call+0x3ffa/0x41f0 arch/x86/include/generated/asm/syscalls_32.h:346
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
Uninit was created at:
slab_post_alloc_hook mm/slub.c:4167 [inline]
slab_alloc_node mm/slub.c:4210 [inline]
__kmalloc_cache_noprof+0x8fa/0xe00 mm/slub.c:4367
kmalloc_noprof include/linux/slab.h:905 [inline]
ip_vs_dest_dst_alloc net/netfilter/ipvs/ip_vs_xmit.c:61 [inline]
__ip_vs_get_out_rt+0x35d/0x21d0 net/netfilter/ipvs/ip_vs_xmit.c:323
ip_vs_tunnel_xmit+0x205/0x2380 net/netfilter/ipvs/ip_vs_xmit.c:1136
ip_vs_in_hook+0x1aa5/0x35b0 net/netfilter/ipvs/ip_vs_core.c:2063
nf_hook_entry_hookfn include/linux/netfilter.h:154 [inline]
nf_hook_slow+0xf7/0x400 net/netfilter/core.c:626
nf_hook include/linux/netfilter.h:269 [inline]
__ip_local_out+0x758/0x7e0 net/ipv4/ip_output.c:118
ip_local_out net/ipv4/ip_output.c:127 [inline]
ip_send_skb+0x6a/0x3c0 net/ipv4/ip_output.c:1501
udp_send_skb+0xfda/0x1b70 net/ipv4/udp.c:1195
udp_sendmsg+0x2fe3/0x33c0 net/ipv4/udp.c:1483
inet_sendmsg+0x1fc/0x280 net/ipv4/af_inet.c:851
sock_sendmsg_nosec net/socket.c:712 [inline]
__sock_sendmsg+0x267/0x380 net/socket.c:727
____sys_sendmsg+0x91b/0xda0 net/socket.c:2566
___sys_sendmsg+0x28d/0x3c0 net/socket.c:2620
__sys_sendmmsg+0x41d/0x880 net/socket.c:2702
__compat_sys_sendmmsg net/compat.c:360 [inline]
__do_compat_sys_sendmmsg net/compat.c:367 [inline]
__se_compat_sys_sendmmsg net/compat.c:364 [inline]
__ia32_compat_sys_sendmmsg+0xc8/0x140 net/compat.c:364
ia32_sys_call+0x3ffa/0x41f0 arch/x86/include/generated/asm/syscalls_32.h:346
do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
__do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306
do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
entry_SYSENTER_compat_after_hwframe+0x84/0x8e
CPU: 0 UID: 0 PID: 22408 Comm: syz.4.5165 Not tainted 6.15.0-rc3-syzkaller-00019-gbc3372351d0c #0 PREEMPT(undef)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Reported-by: syzbot+04b9a82855c8aed20860@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/netdev/68138dfa.050a0220.14dd7d.0017.GAE@google.com/
Fixes: 4754957f04f5 ("ipvs: do not use random local source address for tunnels")
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Enable InterTouch mode on Dell Precision M3800 by adding "DLL060d" to
the list of SMBus-enabled variants.
Reported-by: Markus Rathgeb <maggu2810@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB959789DD6D574E16141E5DC4B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Enable InterTouch mode on TUXEDO InfinityBook Pro 14 v5 by adding
"SYN1221" to the list of SMBus-enabled variants.
Add support for InterTouch on SYN1221 by adding it to the list of
SMBus-enabled variants.
Reported-by: Matthias Eilert <kernel.hias@eilert.tech>
Tested-by: Matthias Eilert <kernel.hias@eilert.tech>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB9597C033C4BC20EE2A0C4543B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Enable InterTouch mode on Dynabook Portege X30L-G by adding "TOS01f6" to
the list of SMBus-enabled variants.
Reported-by: Xuntao Chi <chotaotao1qaz2wsx@gmail.com>
Tested-by: Xuntao Chi <chotaotao1qaz2wsx@gmail.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB959786E4AC797160CDA93012B888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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[ 5.989588] psmouse serio1: synaptics: Your touchpad (PNP: TOS0213 PNP0f03) says it can support a different bus. If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.
[ 6.039923] psmouse serio1: synaptics: Touchpad model: 1, fw: 9.32, id: 0x1e2a1, caps: 0xf00223/0x840300/0x12e800/0x52d884, board id: 3322, fw id: 2658004
The board is labelled TM3322.
Present on the Toshiba / Dynabook Portege X30-D and possibly others.
Confirmed working well with psmouse.synaptics_intertouch=1 and local build.
Signed-off-by: Manuel Fombuena <fombuena@outlook.com>
Signed-off-by: Aditya Garg <gargaditya08@live.com>
Link: https://lore.kernel.org/r/PN3PR01MB9597711E7933A08389FEC31DB888A@PN3PR01MB9597.INDPRD01.PROD.OUTLOOK.COM
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The kernel reports that the touchpad for this device can support
SMBus mode.
Reported-by: jt <enopatch@gmail.com>
Link: https://lore.kernel.org/r/iys5dbv3ldddsgobfkxldazxyp54kay4bozzmagga6emy45jop@2ebvuxgaui4u
Cc: stable@vger.kernel.org
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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We frequently use 'bcachefs list_journal -a' for debugging, as it
provides a record of all btree transactions, and a history of what
happened.
But it's not so useful if we immediately discard journal buckets right
after they're no longer dirty.
This tweaks journal reclaim to only discard when we're low on space,
keeping the journal mostly un-discarded.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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When we go emergency read-only, make sure we do a final write_super() to
persist counters and error counts - this can be critical for piecing
together what fsck was doing.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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These just indicate that we're shutting down.
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
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