linux-2.6-block.git
8 months agonet: gro: parse ipv6 ext headers without frag0 invalidation
Richard Gobert [Wed, 3 Jan 2024 14:44:21 +0000 (15:44 +0100)]
net: gro: parse ipv6 ext headers without frag0 invalidation

The existing code always pulls the IPv6 header and sets the transport
offset initially. Then optionally again pulls any extension headers in
ipv6_gso_pull_exthdrs and sets the transport offset again on return from
that call. skb->data is set at the start of the first extension header
before calling ipv6_gso_pull_exthdrs, and must disable the frag0
optimization because that function uses pskb_may_pull/pskb_pull instead of
skb_gro_ helpers. It sets the GRO offset to the TCP header with
skb_gro_pull and sets the transport header. Then returns skb->data to its
position before this block.

This commit introduces a new helper function - ipv6_gro_pull_exthdrs -
which is used in ipv6_gro_receive to pull ipv6 ext headers instead of
ipv6_gso_pull_exthdrs. Thus, there is no modification of skb->data, all
operations use skb_gro_* helpers, and the frag0 fast path can be taken for
IPv6 packets with ext headers.

Signed-off-by: Richard Gobert <richardbgobert@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/504130f6-b56c-4dcc-882c-97942c59f5b7@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: gso: add HBH extension header offload support
Richard Gobert [Wed, 3 Jan 2024 14:40:44 +0000 (15:40 +0100)]
net: gso: add HBH extension header offload support

This commit adds net_offload to IPv6 Hop-by-Hop extension headers (as it
is done for routing and dstopts) since it is supported in GSO and GRO.
This allows to remove specific HBH conditionals in GSO and GRO when
pulling and parsing an incoming packet.

Signed-off-by: Richard Gobert <richardbgobert@gmail.com>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/d4f8825a-1d55-4b12-9d67-a254dbbfa6ae@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: fill in MODULE_DESCRIPTION()s for CAIF
Jakub Kicinski [Thu, 4 Jan 2024 14:48:55 +0000 (06:48 -0800)]
net: fill in MODULE_DESCRIPTION()s for CAIF

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to all the CAIF sub-modules.

Link: https://lore.kernel.org/r/20240104144855.1320993-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: fill in MODULE_DESCRIPTION() for AF_PACKET
Jakub Kicinski [Thu, 4 Jan 2024 14:41:19 +0000 (06:41 -0800)]
net: fill in MODULE_DESCRIPTION() for AF_PACKET

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add description to net/packet/af_packet.c

Acked-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240104144119.1319055-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: fill in MODULE_DESCRIPTION()s for DSA tags
Jakub Kicinski [Thu, 4 Jan 2024 14:37:59 +0000 (06:37 -0800)]
net: fill in MODULE_DESCRIPTION()s for DSA tags

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to all the DSA tag modules.

The descriptions are copy/pasted Kconfig names, with s/^Tag/DSA tag/.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Acked-by: Arun Ramadoss <arun.ramadoss@microchip.com>
Acked-by: Arınç ÜNAL <arinc.unal@arinc9.com>
Acked-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://lore.kernel.org/r/20240104143759.1318137-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: fill in MODULE_DESCRIPTION()s for ATM
Jakub Kicinski [Thu, 4 Jan 2024 14:37:37 +0000 (06:37 -0800)]
net: fill in MODULE_DESCRIPTION()s for ATM

W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to all the ATM modules and drivers.

Link: https://lore.kernel.org/r/20240104143737.1317945-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch 'dpll-expose-fractional-frequency-offset-value-to-user'
Jakub Kicinski [Fri, 5 Jan 2024 15:58:21 +0000 (07:58 -0800)]
Merge branch 'dpll-expose-fractional-frequency-offset-value-to-user'

Jiri Pirko says:

====================
dpll: expose fractional frequency offset value to user

Allow to expose pin fractional frequency offset value over new DPLL
generic netlink attribute. Add an op to get the value from the driver.
Implement this new op in mlx5 driver.
====================

Link: https://lore.kernel.org/r/20240103132838.1501801-1-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet/mlx5: DPLL, Implement fractional frequency offset get pin op
Jiri Pirko [Wed, 3 Jan 2024 13:28:38 +0000 (14:28 +0100)]
net/mlx5: DPLL, Implement fractional frequency offset get pin op

Implement ffo_get() pin op filling it up to MSEED.frequency_diff value.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://lore.kernel.org/r/20240103132838.1501801-4-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet/mlx5: DPLL, Use struct to get values from mlx5_dpll_synce_status_get()
Jiri Pirko [Wed, 3 Jan 2024 13:28:37 +0000 (14:28 +0100)]
net/mlx5: DPLL, Use struct to get values from mlx5_dpll_synce_status_get()

Instead of passing separate args, introduce
struct mlx5_dpll_synce_status to hold the values obtained by
mlx5_dpll_synce_status_get().

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://lore.kernel.org/r/20240103132838.1501801-3-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agodpll: expose fractional frequency offset value to user
Jiri Pirko [Wed, 3 Jan 2024 13:28:36 +0000 (14:28 +0100)]
dpll: expose fractional frequency offset value to user

Add a new netlink attribute to expose fractional frequency offset value
for a pin. Add an op to get the value from the driver.

Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Acked-by: Vadim Fedorenko <vadim.fedorenko@linux.dev>
Acked-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Link: https://lore.kernel.org/r/20240103132838.1501801-2-jiri@resnulli.us
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch 'user_mii_bus-cleanup-part-one'
David S. Miller [Fri, 5 Jan 2024 11:56:37 +0000 (11:56 +0000)]
Merge branch 'user_mii_bus-cleanup-part-one'

Vladimir Oltean says:

====================
ds->user_mii_bus cleanup (part 1)

There are some drivers which assign ds->user_mii_bus when they
don't really need its specific functionality, aka non-OF based
dsa_user_phy_connect(). There was some confusion regarding the
fact that yes, this is why ds->user_mii_bus really exists, so
I've started a cleanup series which aims to eliminate the usage
of ds->user_mii_bus from drivers when there is nothing to gain
from it.

Today's drivers are lantiq_gswip, qca8k and bcm_sf2. The work is
not done here, but a "part 2" may or may not come, depending on
other priorities.

All patches were only compile-tested.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: bcm_sf2: drop priv->master_mii_dn
Vladimir Oltean [Thu, 4 Jan 2024 14:00:37 +0000 (16:00 +0200)]
net: dsa: bcm_sf2: drop priv->master_mii_dn

There used to be a of_node_put(priv->master_mii_dn) call in
bcm_sf2_mdio_unregister(), which was accidentally deleted in commit
6ca80638b90c ("net: dsa: Use conduit and user terms").

But it's not needed - we don't need to hold a reference on the
"brcm,unimac-mdio" OF node for that long, since we don't do anything
with it. We can release it as soon as we finish bcm_sf2_mdio_register().

Also reduce "if (err && dn)" to just "if (err)". We know "dn", aka the
former priv->master_mii_dn, is non-NULL. Otherwise, of_mdio_find_bus(dn)
would not have been able to find the bus behind "brcm,unimac-mdio".

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: bcm_sf2: stop assigning an OF node to the ds->user_mii_bus
Vladimir Oltean [Thu, 4 Jan 2024 14:00:36 +0000 (16:00 +0200)]
net: dsa: bcm_sf2: stop assigning an OF node to the ds->user_mii_bus

The bcm_sf2 driver does something strange. Instead of calling
of_mdiobus_register() with an OF node argument, it manually assigns the
bus->dev->of_node and then calls the non-OF mdiobus_register(). This
circumvents some code from __of_mdiobus_register() from running, which
sets the auto-scan mask, parses some device tree properties, etc.

I'm going to go out on a limb and say that the OF node isn't, in fact,
needed at all, and can be removed. The MDIO diversion as initially
implemented in commit 461cd1b03e32 ("net: dsa: bcm_sf2: Register our
slave MDIO bus") looked quite different than it is now, after commit
771089c2a485 ("net: dsa: bcm_sf2: Ensure that MDIO diversion is used").
Initially, it made sense, as bcm_sf2 was registering another set of
driver ops for the "brcm,unimac-mdio" OF node. But now, it deletes all
phandles, which makes "phy-handle"s unable to find PHYs, which means
that it always goes through the OF-unaware dsa_user_phy_connect().

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: qca8k: use "dev" consistently within qca8k_mdio_register()
Vladimir Oltean [Thu, 4 Jan 2024 14:00:35 +0000 (16:00 +0200)]
net: dsa: qca8k: use "dev" consistently within qca8k_mdio_register()

Accessed either through priv->dev or ds->dev, it is the same device
structure. Keep a single variable which holds a reference to it, and use
it consistently.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: qca8k: consolidate calls to a single devm_of_mdiobus_register()
Vladimir Oltean [Thu, 4 Jan 2024 14:00:34 +0000 (16:00 +0200)]
net: dsa: qca8k: consolidate calls to a single devm_of_mdiobus_register()

__of_mdiobus_register() already calls __mdiobus_register() if the
OF node provided as argument is NULL. We can take advantage of that
and simplify the 2 code path, calling devm_of_mdiobus_register() only
once for both cases.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Christian Marangi <ansuelsmth@gmail.com>
Reviewed-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: qca8k: assign ds->user_mii_bus only for the non-OF case
Vladimir Oltean [Thu, 4 Jan 2024 14:00:33 +0000 (16:00 +0200)]
net: dsa: qca8k: assign ds->user_mii_bus only for the non-OF case

To simplify reasoning about why the DSA framework provides the
ds->user_mii_bus functionality, drivers should only use it if they
need to. The qca8k driver appears to also use it simply as storage
for a pointer, which is not a good enough reason to make the core
much more difficult to follow.

ds->user_mii_bus is useful for only 2 cases:

1. The driver probes on platform_data (no OF)
2. The driver probes on OF, but there is no OF node for the MDIO bus.

It is unclear if case (1) is supported with qca8k. It might not be:
the driver might crash when of_device_get_match_data() returns NULL
and then it dereferences priv->info without NULL checking.

Anyway, let us limit the ds->user_mii_bus usage only to the above cases,
and not assign it when an OF node is present.

The bus->phy_mask assignment follows along with the movement, because
__of_mdiobus_register() overwrites this bus field anyway. The value set
by the driver only matters for the non-OF code path.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: qca8k: skip MDIO bus creation if its OF node has status = "disabled"
Vladimir Oltean [Thu, 4 Jan 2024 14:00:32 +0000 (16:00 +0200)]
net: dsa: qca8k: skip MDIO bus creation if its OF node has status = "disabled"

Currently the driver calls the non-OF devm_mdiobus_register() rather
than devm_of_mdiobus_register() for this case, but it seems to rather
be a confusing coincidence, and not a real use case that needs to be
supported.

If the device tree says status = "disabled" for the MDIO bus, we
shouldn't need an MDIO bus at all. Instead, just exit as early as
possible and do not call any MDIO API.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: qca8k: put MDIO bus OF node on qca8k_mdio_register() failure
Vladimir Oltean [Thu, 4 Jan 2024 14:00:31 +0000 (16:00 +0200)]
net: dsa: qca8k: put MDIO bus OF node on qca8k_mdio_register() failure

of_get_child_by_name() gives us an OF node with an elevated refcount,
which should be dropped when we're done with it. This is so that,
if (of_node_check_flag(node, OF_DYNAMIC)) is true, the node's memory can
eventually be freed.

There are 2 distinct paths to be considered in qca8k_mdio_register():

- devm_of_mdiobus_register() succeeds: since commit 3b73a7b8ec38 ("net:
  mdio_bus: add refcounting for fwnodes to mdiobus"), the MDIO core
  treats this well.

- devm_of_mdiobus_register() or anything up to that point fails: it is
  the duty of the qca8k driver to release the OF node.

This change addresses the second case by making sure that the OF node
reference is not leaked.

The "mdio" node may be NULL, but of_node_put(NULL) is safe.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: lantiq_gswip: ignore MDIO buses disabled in OF
Vladimir Oltean [Thu, 4 Jan 2024 14:00:30 +0000 (16:00 +0200)]
net: dsa: lantiq_gswip: ignore MDIO buses disabled in OF

If the "lantiq,xrx200-mdio" child has status = "disabled", the MDIO bus
creation should be avoided. Use of_device_is_available() to check for
that, and take advantage of 2 facts:

- of_device_is_available(NULL) returns false
- of_node_put(NULL) is a no-op

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: lantiq_gswip: use devres for internal MDIO bus, not ds->user_mii_bus
Vladimir Oltean [Thu, 4 Jan 2024 14:00:29 +0000 (16:00 +0200)]
net: dsa: lantiq_gswip: use devres for internal MDIO bus, not ds->user_mii_bus

This driver does not need any of the functionalities that make
ds->user_mii_bus special. Those use cases are listed here:
https://lore.kernel.org/netdev/20231221174746.hylsmr3f7g5byrsi@skbuf/

It just makes use of ds->user_mii_bus only as storage for its own MDIO
bus, which otherwise has no connection to the framework. This is because:

- the gswip driver only probes on OF: it fails if of_device_get_match_data()
  returns NULL

- when the child OF node of the MDIO bus is absent, no MDIO bus is
  registered at all, not even by the DSA framework. In order for that to
  have happened, the gswip driver would have needed to provide
  ->phy_read() and ->phy_write() in struct dsa_switch_ops, which it does
  not.

We can break the connection between the gswip driver and the DSA
framework and still preserve the same functionality.

Since commit 3b73a7b8ec38 ("net: mdio_bus: add refcounting for fwnodes
to mdiobus"), MDIO buses take ownership of the OF node handled to them,
and release it on their own. The gswip driver no longer needs to do
this.

Combine that with devres, and we no longer need to keep track of
anything for teardown purposes.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: dsa: lantiq_gswip: delete irrelevant use of ds->phys_mii_mask
Vladimir Oltean [Thu, 4 Jan 2024 14:00:28 +0000 (16:00 +0200)]
net: dsa: lantiq_gswip: delete irrelevant use of ds->phys_mii_mask

__of_mdiobus_register(), called right next, overwrites the phy_mask
we just configured on the bus, so this is redundant and confusing.
Delete it.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Alvin Šipraga <alsi@bang-olufsen.dk>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: sched: move block device tracking into tcf_block_get/put_ext()
Jiri Pirko [Thu, 4 Jan 2024 12:58:44 +0000 (13:58 +0100)]
net: sched: move block device tracking into tcf_block_get/put_ext()

Inserting the device to block xarray in qdisc_create() is not suitable
place to do this. As it requires use of tcf_block() callback, it causes
multiple issues. It is called for all qdisc types, which is incorrect.

So, instead, move it to more suitable place, which is tcf_block_get_ext()
and make sure it is only done for qdiscs that use block infrastructure
and also only for blocks which are shared.

Symmetrically, alter the cleanup path, move the xarray entry removal
into tcf_block_put_ext().

Fixes: 913b47d3424e ("net/sched: Introduce tc block netdev tracking infra")
Reported-by: Ido Schimmel <idosch@nvidia.com>
Closes: https://lore.kernel.org/all/ZY1hBb8GFwycfgvd@shredder/
Reported-by: Kui-Feng Lee <sinquersw@gmail.com>
Closes: https://lore.kernel.org/all/ce8d3e55-b8bc-409c-ace9-5cf1c4f7c88e@gmail.com/
Reported-and-tested-by: syzbot+84339b9e7330daae4d66@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/0000000000007c85f5060dcc3a28@google.com/
Reported-and-tested-by: syzbot+806b0572c8d06b66b234@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/00000000000082f2f2060dcc3a92@google.com/
Reported-and-tested-by: syzbot+0039110f932d438130f9@syzkaller.appspotmail.com
Closes: https://lore.kernel.org/all/0000000000007fbc8c060dcc3a5c@google.com/
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Tested-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Victor Nogueira <victor@mojatatu.com>
Tested-by: Victor Nogueira <victor@mojatatu.com>
Reviewed-by: Jamal Hadi Salim <jhs@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Jakub Kicinski [Fri, 5 Jan 2024 02:04:58 +0000 (18:04 -0800)]
Merge git://git./linux/kernel/git/netdev/net

Cross-merge networking fixes after downstream PR.

Conflicts:

drivers/net/ethernet/broadcom/bnxt/bnxt.c
  e009b2efb7a8 ("bnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()")
  0f2b21477988 ("bnxt_en: Fix compile error without CONFIG_RFS_ACCEL")
https://lore.kernel.org/all/20240105115509.225aa8a2@canb.auug.org.au/

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge tag 'wireless-next-2024-01-03' of git://git.kernel.org/pub/scm/linux/kernel...
Jakub Kicinski [Fri, 5 Jan 2024 01:00:07 +0000 (17:00 -0800)]
Merge tag 'wireless-next-2024-01-03' of git://git./linux/kernel/git/wireless/wireless-next

Johannes Berg says:

====================
Just a couple of more things over the holidays:

 - first kunit tests for both cfg80211 and mac80211
 - a few multi-link fixes
 - DSCP mapping update
 - RCU fix

* tag 'wireless-next-2024-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next:
  wifi: mac80211: remove redundant ML element check
  wifi: cfg80211: parse all ML elements in an ML probe response
  wifi: cfg80211: correct comment about MLD ID
  wifi: cfg80211: Update the default DSCP-to-UP mapping
  wifi: cfg80211: tests: add some scanning related tests
  wifi: mac80211: kunit: extend MFP tests
  wifi: mac80211: kunit: generalize public action test
  wifi: mac80211: add kunit tests for public action handling
  kunit: add a convenience allocation wrapper for SKBs
  kunit: add parameter generation macro using description from array
  wifi: mac80211: fix spelling typo in comment
  wifi: cfg80211: fix RCU dereference in __cfg80211_bss_update
====================

Link: https://lore.kernel.org/r/20240103144423.52269-3-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agor8169: fix building with CONFIG_LEDS_CLASS=m
Heiner Kallweit [Wed, 3 Jan 2024 15:52:04 +0000 (16:52 +0100)]
r8169: fix building with CONFIG_LEDS_CLASS=m

When r8169 is built-in but LED support is a loadable module, the new
code to drive the LED causes a link failure:

ld: drivers/net/ethernet/realtek/r8169_leds.o: in function `rtl8168_init_leds':
r8169_leds.c:(.text+0x36c): undefined reference to `devm_led_classdev_register_ext'

LED support is an optional feature, so fix this issue by adding a Kconfig
symbol R8169_LEDS that is guaranteed to be false if r8169 is built-in
and LED core support is a module. As a positive side effect of this change
r8169_leds.o no longer is built under this configuration.

Fixes: 18764b883e15 ("r8169: add support for LED's on RTL8168/RTL8101")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202312281159.9TPeXbNd-lkp@intel.com/
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Simon Horman <horms@kernel.org> # build-tested
Tested-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/d055aeb5-fe5c-4ccf-987f-5af93a17537b@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: enetc: allow phy-mode = "1000base-x"
Vladimir Oltean [Wed, 3 Jan 2024 11:34:45 +0000 (13:34 +0200)]
net: enetc: allow phy-mode = "1000base-x"

The driver code proper is handled by the lynx_pcs. The enetc just needs
to populate phylink's supported_interfaces array, and return true for
this phy-mode in enetc_port_has_pcs(), such that it creates an internal
MDIO bus through which the Lynx PCS registers are accessed.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Link: https://lore.kernel.org/r/20240103113445.3892971-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Linus Torvalds [Fri, 5 Jan 2024 00:34:50 +0000 (16:34 -0800)]
Merge tag 'net-6.7-rc9' of git://git./linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Including fixes from wireless and netfilter.

  We haven't accumulated much over the break. If it wasn't for the
  uninterrupted stream of fixes for Intel drivers this PR would be very
  slim. There was a handful of user reports, however, either they stood
  out because of the lower traffic or users have had more time to test
  over the break. The ones which are v6.7-relevant should be wrapped up.

  Current release - regressions:

   - Revert "net: ipv6/addrconf: clamp preferred_lft to the minimum
     required", it caused issues on networks where routers send prefixes
     with preferred_lft=0

   - wifi:
      - iwlwifi: pcie: don't synchronize IRQs from IRQ, prevent deadlock
      - mac80211: fix re-adding debugfs entries during reconfiguration

  Current release - new code bugs:

   - tcp: print AO/MD5 messages only if there are any keys

  Previous releases - regressions:

   - virtio_net: fix missing dma unmap for resize, prevent OOM

  Previous releases - always broken:

   - mptcp: prevent tcp diag from closing listener subflows

   - nf_tables:
      - set transport header offset for egress hook, fix IPv4 mangling
      - skip set commit for deleted/destroyed sets, avoid double deactivation

   - nat: make sure action is set for all ct states, fix openvswitch
     matching on ICMP packets in related state

   - eth: mlxbf_gige: fix receive hang under heavy traffic

   - eth: r8169: fix PCI error on system resume for RTL8168FP

   - net: add missing getsockopt(SO_TIMESTAMPING_NEW) and cmsg handling"

* tag 'net-6.7-rc9' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (52 commits)
  net/tcp: Only produce AO/MD5 logs if there are any keys
  net: Implement missing SO_TIMESTAMPING_NEW cmsg support
  bnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()
  net: ravb: Wait for operating mode to be applied
  asix: Add check for usbnet_get_endpoints
  octeontx2-af: Re-enable MAC TX in otx2_stop processing
  octeontx2-af: Always configure NIX TX link credits based on max frame size
  net/smc: fix invalid link access in dumping SMC-R connections
  net/qla3xxx: fix potential memleak in ql_alloc_buffer_queues
  virtio_net: fix missing dma unmap for resize
  igc: Fix hicredit calculation
  ice: fix Get link status data length
  i40e: Restore VF MSI-X state during PCI reset
  i40e: fix use-after-free in i40e_aqc_add_filters()
  net: Save and restore msg_namelen in sock_sendmsg
  netfilter: nft_immediate: drop chain reference counter on error
  netfilter: nf_nat: fix action not being set for all ct states
  net: bcmgenet: Fix FCS generation for fragmented skbuffs
  mptcp: prevent tcp diag from closing listener subflows
  MAINTAINERS: add Geliang as reviewer for MPTCP
  ...

8 months agoRevert "Introduce PHY listing and link_topology tracking"
Jakub Kicinski [Fri, 5 Jan 2024 00:04:35 +0000 (16:04 -0800)]
Revert "Introduce PHY listing and link_topology tracking"

This reverts commit 32bb4515e34469975abc936deb0a116c4a445817.
This reverts commit d078d480639a4f3b5fc2d56247afa38e0956483a.
This reverts commit fcc4b105caa4b844bf043375bf799c20a9c99db1.
This reverts commit 345237dbc1bdbb274c9fb9ec38976261ff4a40b8.
This reverts commit 7db69ec9cfb8b4ab50420262631fb2d1908b25bf.
This reverts commit 95132a018f00f5dad38bdcfd4180d1af955d46f6.
This reverts commit 63d5eaf35ac36cad00cfb3809d794ef0078c822b.
This reverts commit c29451aefcb42359905d18678de38e52eccb3bb5.
This reverts commit 2ab0edb505faa9ac90dee1732571390f074e8113.
This reverts commit dedd702a35793ab462fce4c737eeba0badf9718e.
This reverts commit 034fcc210349b873ece7356905be5c6ca11eef2a.
This reverts commit 9c5625f559ad6fe9f6f733c11475bf470e637d34.
This reverts commit 02018c544ef113e980a2349eba89003d6f399d22.

Looks like we need more time for reviews, and incremental
changes will be hard to make sense of. So revert.

Link: https://lore.kernel.org/all/ZZP6FV5sXEf+xd58@shell.armlinux.org.uk/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agox86/csum: clean up `csum_partial' further
Linus Torvalds [Tue, 27 Jun 2023 20:55:32 +0000 (13:55 -0700)]
x86/csum: clean up `csum_partial' further

Commit 688eb8191b47 ("x86/csum: Improve performance of `csum_partial`")
ended up improving the code generation for the IP csum calculations, and
in particular special-casing the 40-byte case that is a hot case for
IPv6 headers.

It then had _another_ special case for the 64-byte unrolled loop, which
did two chains of 32-byte blocks, which allows modern CPU's to improve
performance by doing the chains in parallel thanks to renaming the carry
flag.

This just unifies the special cases and combines them into just one
single helper the 40-byte csum case, and replaces the 64-byte case by a
80-byte case that just does that single helper twice.  It avoids having
all these different versions of inline assembly, and actually improved
performance further in my tests.

There was never anything magical about the 64-byte unrolled case, even
though it happens to be a common size (and typically is the cacheline
size).

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
8 months agox86/csum: Remove unnecessary odd handling
Noah Goldstein [Sun, 24 Sep 2023 14:35:49 +0000 (09:35 -0500)]
x86/csum: Remove unnecessary odd handling

The special case for odd aligned buffers is unnecessary and mostly
just adds overhead. Aligned buffers is the expectations, and even for
unaligned buffer, the only case that was helped is if the buffer was
1-byte from word aligned which is ~1/7 of the cases. Overall it seems
highly unlikely to be worth to extra branch.

It was left in the previous perf improvement patch because I was
erroneously comparing the exact output of `csum_partial(...)`, but
really we only need `csum_fold(csum_partial(...))` to match so its
safe to remove.

All csum kunit tests pass.

Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Reviewed-by: David Laight <david.laight@aculab.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
8 months agoMerge tag 'ieee802154-for-net-next-2023-12-20' of gitolite.kernel.org:pub/scm/linux...
Jakub Kicinski [Thu, 4 Jan 2024 22:20:14 +0000 (14:20 -0800)]
Merge tag 'ieee802154-for-net-next-2023-12-20' of gitolite.pub/scm/linux/kernel/git/wpan/wpan-next

Miquel Raynal says:

====================
This pull request mainly brings support for dynamic associations in
the WPAN world. Thanks to the recent improvements it was possible to
discover nearby devices, it is now also possible to associate with them
to form a sub-network using a specific PAN ID. The support includes
several functions, such as:

* Requesting an association to a coordinator, waiting for the response
* Sending a disassociation notification to a coordinator
* Receiving an association request when we are coordinator, answering
  the request (for now all devices are accepted up to a limit, to be
  refined)
* Sending a disassociation notification to a child
* Users may request the list of associated devices (the parent and the
  children).

Here are a few example of userspace calls that can be made:
 # iwpan dev <dev> associate pan_id 2 coord $COORD
 # iwpan dev <dev> list_associations
 # iwpan dev <dev> disassociate ext_addr $COORD

There are as well two patches from Uwe turning remove callbacks into
void functions.

* tag 'ieee802154-for-net-next-2023-12-20' of gitolite.kernel.org:pub/scm/linux/kernel/git/wpan/wpan-next:
  mac802154: Avoid new associations while disassociating
  ieee802154: Avoid confusing changes after associating
  mac802154: Only allow PAN controllers to process association requests
  mac802154: Use the PAN coordinator parameter when stamping packets
  mac80254: Provide real PAN coordinator info in beacons
  ieee802154: Give the user the association list
  mac802154: Handle disassociation notifications from peers
  mac802154: Follow the number of associated devices
  ieee802154: Add support for limiting the number of associated devices
  mac802154: Handle association requests from peers
  mac802154: Handle disassociations
  ieee802154: Add support for user disassociation requests
  mac802154: Handle associating
  ieee802154: Add support for user association requests
  ieee802154: Internal PAN management
  ieee802154: Let PAN IDs be reset
  ieee802154: hwsim: Convert to platform remove callback returning void
  ieee802154: fakelb: Convert to platform remove callback returning void
====================

Link: https://lore.kernel.org/r/20231220095556.4d9cef91@xps-13
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: phy: aquantia: switch to crc_itu_t()
Stephen Rothwell [Thu, 21 Dec 2023 02:09:46 +0000 (13:09 +1100)]
net: phy: aquantia: switch to crc_itu_t()

After merging the net-next tree, today's linux-next build (x86_64
allmodconfig) failed like this:

drivers/net/phy/aquantia/aquantia_firmware.c: In function 'aqr_fw_load_memory':
drivers/net/phy/aquantia/aquantia_firmware.c:135:23: error: implicit declaration of function 'crc_ccitt_false'; did you mean 'crc_ccitt_byte'? [-Werror=implicit-function-declaration]
  135 |                 crc = crc_ccitt_false(crc, crc_data, sizeof(crc_data));
      |                       ^~~~~~~~~~~~~~~
      |                       crc_ccitt_byte

Caused by commit e93984ebc1c8 ("net: phy: aquantia: add firmware load support")
interacting with commit ("lib: crc_ccitt_false() is identical to crc_itu_t()")
from the mm tree.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Link: https://lore.kernel.org/r/20231221130946.7ed9a805@canb.auug.org.au
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoRevert "octeon_ep_vf: add octeon_ep_vf driver"
Jakub Kicinski [Thu, 4 Jan 2024 21:00:44 +0000 (13:00 -0800)]
Revert "octeon_ep_vf: add octeon_ep_vf driver"

This reverts commit c902ba322cfda8ebe54ffd53392ef7e2ef5d1c65.
This reverts commit 50648968b3e3c193b45eaca07840111c9d4fdb74.
This reverts commit 77cef1e02104529f54c5b8b4126317eda3ff132d.
This reverts commit 8f8d322bc47c1c5ecab1f2238b644e30f69cc475.
This reverts commit 6ca7b5486ebd5e7985f0c98a2ac7ae49078043a4.
This reverts commit db468f92c3b9437dfeb1dcf55d9b7d1b97769a6c.
This reverts commit 5f8c64c2344c888a03fa4b7fd8c3b5e0c235d879.
This reverts commit ebdc193b2ce209bfc1ebec2f777cd7bac00b547c.

The driver needs more work.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge tag 'platform-drivers-x86-v6.7-7' of git://git.kernel.org/pub/scm/linux/kernel...
Linus Torvalds [Thu, 4 Jan 2024 18:58:51 +0000 (10:58 -0800)]
Merge tag 'platform-drivers-x86-v6.7-7' of git://git./linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver fix from Ilpo Järvinen:
 "Unfortunately the P2SB deadlock fix broke some older HW and we need
  some time to figure out the best way to fix the issue so reverting the
  deadlock fix for now"

* tag 'platform-drivers-x86-v6.7-7' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
  Revert "platform/x86: p2sb: Allow p2sb_bar() calls during PCI device probe"

8 months agoMerge tag 'sound-6.7-final' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
Linus Torvalds [Thu, 4 Jan 2024 18:51:16 +0000 (10:51 -0800)]
Merge tag 'sound-6.7-final' of git://git./linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "It became more than wished, partly because of vacations. But all
  changes are fairly device-specific and should be safe to apply:

   - A regression fix for Oops at ASoC HD-audio probe

   - A series of TAS2781 HD-audio codec fixes

   - A random build regression fix with SPI helpers

   - Minor endianness fix for USB-audio mixer code

   - ASoC FSL driver error handling fix

   - ASoC Mediatek driver register fix

   - A series of ASoC meson g12a driver fixes

   - A few usual HD-audio oneliner quirks"

* tag 'sound-6.7-final' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda/realtek: Fix mute and mic-mute LEDs for HP ProBook 440 G6
  ASoC: meson: g12a-tohdmitx: Fix event generation for S/PDIF mux
  ASoC: meson: g12a-toacodec: Fix event generation
  ASoC: meson: g12a-tohdmitx: Validate written enum values
  ASoC: meson: g12a-toacodec: Validate written enum values
  ASoC: SOF: Intel: hda-codec: Delay the codec device registration
  ALSA: hda: cs35l41: fix building without CONFIG_SPI
  ALSA: hda/realtek: fix mute/micmute LEDs for a HP ZBook
  ALSA: hda/realtek: enable SND_PCI_QUIRK for hp pavilion 14-ec1xxx series
  ASoC: mediatek: mt8186: fix AUD_PAD_TOP register and offset
  ALSA: scarlett2: Convert meter levels from little-endian
  ALSA: hda/tas2781: remove sound controls in unbind
  ALSA: hda/tas2781: move set_drv_data outside tasdevice_init
  ALSA: hda/tas2781: fix typos in comment
  ALSA: hda/tas2781: do not use regcache
  ASoC: fsl_rpmsg: Fix error handler with pm_runtime_enable

8 months agoMerge tag 'drm-fixes-2024-01-04' of git://anongit.freedesktop.org/drm/drm
Linus Torvalds [Thu, 4 Jan 2024 18:48:03 +0000 (10:48 -0800)]
Merge tag 'drm-fixes-2024-01-04' of git://anongit.freedesktop.org/drm/drm

Pull drm fixes from Dave Airlie:
 "These were from over the holiday period, mainly i915, a couple of
  qaic, bridge and an mgag200.

  qaic:
   - fix GEM import
   - add quirk for soc version

  bridge:
   - parade-ps8640, ti-sn65dsi86: fix aux reads bounds

  mgag200:
   - fix gamma LUT init

  i915:
   - Fix bogus DPCD rev usage for DP phy test pattern setup
   - Fix handling of MMIO triggered reports in the OA buffer"

* tag 'drm-fixes-2024-01-04' of git://anongit.freedesktop.org/drm/drm:
  drm/i915/perf: Update handling of MMIO triggered reports
  drm/i915/dp: Fix passing the correct DPCD_REV for drm_dp_set_phy_test_pattern
  drm/mgag200: Fix gamma lut not initialized for G200ER, G200EV, G200SE
  drm/bridge: ps8640: Fix size mismatch warning w/ len
  drm/bridge: ti-sn65dsi86: Never store more than msg->size bytes in AUX xfer
  drm/bridge: parade-ps8640: Never store more than msg->size bytes in AUX xfer
  accel/qaic: Implement quirk for SOC_HW_VERSION
  accel/qaic: Fix GEM import path code

8 months agonet/tcp: Only produce AO/MD5 logs if there are any keys
Dmitry Safonov [Thu, 4 Jan 2024 13:42:39 +0000 (13:42 +0000)]
net/tcp: Only produce AO/MD5 logs if there are any keys

User won't care about inproper hash options in the TCP header if they
don't use neither TCP-AO nor TCP-MD5. Yet, those logs can add up in
syslog, while not being a real concern to the host admin:
> kernel: TCP: TCP segment has incorrect auth options set for XX.20.239.12.54681->XX.XX.90.103.80 [S]

Keep silent and avoid logging when there aren't any keys in the system.

Side-note: I also defined static_branch_tcp_*() helpers to avoid more
ifdeffery, going to remove more ifdeffery further with their help.

Reported-by: Christian Kujau <lists@nerdbynature.de>
Closes: https://lore.kernel.org/all/f6b59324-1417-566f-a976-ff2402718a8d@nerdbynature.de/
Signed-off-by: Dmitry Safonov <dima@arista.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Fixes: 2717b5adea9e ("net/tcp: Add tcp_hash_fail() ratelimited logs")
Link: https://lore.kernel.org/r/20240104-tcp_hash_fail-logs-v1-1-ff3e1f6f9e72@arista.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Jakub Kicinski [Thu, 4 Jan 2024 16:19:14 +0000 (08:19 -0800)]
Merge branch '40GbE' of git://git./linux/kernel/git/tnguy/net-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-01-03 (i40e, ice, igc)

This series contains updates to i40e, ice, and igc drivers.

Ke Xiao fixes use after free for unicast filters on i40e.

Andrii restores VF MSI-X flag after PCI reset on i40e.

Paul corrects admin queue link status structure to fulfill firmware
expectations for ice.

Rodrigo Cataldo corrects value used for hicredit calculations on igc.

* '40GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  igc: Fix hicredit calculation
  ice: fix Get link status data length
  i40e: Restore VF MSI-X state during PCI reset
  i40e: fix use-after-free in i40e_aqc_add_filters()
====================

Link: https://lore.kernel.org/r/20240103193254.822968-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: Implement missing SO_TIMESTAMPING_NEW cmsg support
Thomas Lange [Thu, 4 Jan 2024 08:57:44 +0000 (09:57 +0100)]
net: Implement missing SO_TIMESTAMPING_NEW cmsg support

Commit 9718475e6908 ("socket: Add SO_TIMESTAMPING_NEW") added the new
socket option SO_TIMESTAMPING_NEW. However, it was never implemented in
__sock_cmsg_send thus breaking SO_TIMESTAMPING cmsg for platforms using
SO_TIMESTAMPING_NEW.

Fixes: 9718475e6908 ("socket: Add SO_TIMESTAMPING_NEW")
Link: https://lore.kernel.org/netdev/6a7281bf-bc4a-4f75-bb88-7011908ae471@app.fastmail.com/
Signed-off-by: Thomas Lange <thomas@corelatus.se>
Reviewed-by: Willem de Bruijn <willemb@google.com>
Link: https://lore.kernel.org/r/20240104085744.49164-1-thomas@corelatus.se
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoRevert "platform/x86: p2sb: Allow p2sb_bar() calls during PCI device probe"
Shin'ichiro Kawasaki [Thu, 4 Jan 2024 11:40:50 +0000 (20:40 +0900)]
Revert "platform/x86: p2sb: Allow p2sb_bar() calls during PCI device probe"

This reverts commit b28ff7a7c3245d7f62acc20f15b4361292fe4117.

The commit introduced P2SB device scan and resource cache during the
boot process to avoid deadlock. But it caused detection failure of
IDE controllers on old systems [1]. The IDE controllers on old systems
and P2SB devices on newer systems have same PCI DEVFN. It is suspected
the confusion between those two is the failure cause. Revert the change
at this moment until the proper solution gets ready.

Link: https://lore.kernel.org/platform-driver-x86/CABq1_vjfyp_B-f4LAL6pg394bP6nDFyvg110TOLHHb0x4aCPeg@mail.gmail.com/T/#m07b30468d9676fc5e3bb2122371121e4559bb383
Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>
Link: https://lore.kernel.org/r/20240104114050.3142690-1-shinichiro.kawasaki@wdc.com
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
8 months agonet: phylink: move phylink_pcs_neg_mode() into phylink.c
Russell King (Oracle) [Thu, 4 Jan 2024 09:47:36 +0000 (09:47 +0000)]
net: phylink: move phylink_pcs_neg_mode() into phylink.c

Move phylink_pcs_neg_mode() from the header file into the .c file since
nothing should be using it.

Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: mdio_bus: add refcounting for fwnodes to mdiobus
Russell King (Oracle) [Thu, 4 Jan 2024 10:37:55 +0000 (10:37 +0000)]
net: mdio_bus: add refcounting for fwnodes to mdiobus

Luiz Angelo Daros de Luca reports that the MDIO bus code maintains a
reference to the DT node, but does not hold a refcount on the node.

The simple solution to this is to add the necessary refcounting into
the MDIO bus code for all users, ensuring that on registration, the
refcount is incremented, and only dropped when the MDIO bus is
released.

Do this for fwnodes, so we not only fix this for DT, but also other
types of firmware nodes as well.

Reported-by: Luiz Angelo Daros de Luca <luizluca@gmail.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agobnxt_en: Fix compile error without CONFIG_RFS_ACCEL
Michael Chan [Thu, 4 Jan 2024 01:01:08 +0000 (17:01 -0800)]
bnxt_en: Fix compile error without CONFIG_RFS_ACCEL

Fix the following compile error:

.../bnxt.c: In function 'bnxt_cfg_ntp_filters':
.../bnxt.c:14077:37: error: implicit declaration of function 'rps_may_expire_flow' [-Werror=implicit-function-declaration]
14077 |                                 if (rps_may_expire_flow(bp->dev, fltr->base.rxq,
      |                                     ^~~~~~~~~~~~~~~~~~~

bnxt_cfg_ntp_filters() is only used when CONFIG_RFS_ACCEL is enabled.
User configured ntuple filters are directly added and will not go through
this function.  Wrap the body of bnxt_cfg_ntp_filters() with
CONFIG_RFS_ACCEL.

Fixes: 59cde76f33fa ("bnxt_en: Refactor filter insertion logic in bnxt_rx_flow_steer().")
Reported-by: Arnd Bergmann <arnd@kernel.org>
Link: https://lore.kernel.org/netdev/20240103102332.3642417-1-arnd@kernel.org/
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agobnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()
Michael Chan [Thu, 4 Jan 2024 00:59:24 +0000 (16:59 -0800)]
bnxt_en: Remove mis-applied code from bnxt_cfg_ntp_filters()

The 2 lines to check for the BNXT_HWRM_PF_UNLOAD_SP_EVENT bit was
mis-applied to bnxt_cfg_ntp_filters() and should have been applied to
bnxt_sp_task().

Fixes: 19241368443f ("bnxt_en: Send PF driver unload notification to all VFs.")
Reviewed-by: Andy Gospodarek <andrew.gospodarek@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: ravb: Wait for operating mode to be applied
Claudiu Beznea [Wed, 3 Jan 2024 08:13:53 +0000 (10:13 +0200)]
net: ravb: Wait for operating mode to be applied

CSR.OPS bits specify the current operating mode and (according to
documentation) they are updated by HW when the operating mode change
request is processed. To comply with this check CSR.OPS before proceeding.

Commit introduces ravb_set_opmode() that does all the necessities for
setting the operating mode (set CCC.OPC (and CCC.GAC, CCC.CSEL, if any) and
wait for CSR.OPS) and call it where needed. This should comply with all the
HW manuals requirements as different manual variants specify that different
modes need to be checked in CSR.OPS when setting CCC.OPC.

If gPTP active in config mode is supported and it needs to be enabled, the
CCC.GAC and CCC.CSEL needs to be configured along with CCC.OPC in the same
write access. For this, ravb_set_opmode() allows passing GAC and CSEL as
part of opmode and the function updates accordingly CCC register.

Fixes: c156633f1353 ("Renesas Ethernet AVB driver proper")
Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoasix: Add check for usbnet_get_endpoints
Chen Ni [Wed, 3 Jan 2024 03:35:34 +0000 (03:35 +0000)]
asix: Add check for usbnet_get_endpoints

Add check for usbnet_get_endpoints() and return the error if it fails
in order to transfer the error.

Fixes: 16626b0cc3d5 ("asix: Add a new driver for the AX88172A")
Signed-off-by: Chen Ni <nichen@iscas.ac.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoMerge branch 'net-wangxun-more-ethtool'
David S. Miller [Thu, 4 Jan 2024 10:49:36 +0000 (10:49 +0000)]
Merge branch 'net-wangxun-more-ethtool'

Jiawen Wu says:

====================
Implement more ethtool_ops for Wangxun

Provide ethtool functions to operate pause param, ring param, coalesce
channel number and msglevel, for driver txgbe/ngbe.

v6 -> v7:
- Rebase on net-next.

v5 -> v6:
- Minor fixes address on Jakub Kicinski's comments.

v4 -> v5:
- Fix build error reported by kernel test robot.

v3 -> v4:
- Repartition the patches of phylink.
- Handle failure to allocate memory while changing ring parameters.
- Minor fixes about formatting.

v2 -> v3:
- Address comments:
  https://lore.kernel.org/all/ZW2loxTO6oKNYLew@shell.armlinux.org.uk/

v1 -> v2:
- Add phylink support for ngbe.
- Fix issue on interrupts when queue number is changed.
- Add more marco defines.
- Fix return codes.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: wangxun: add ethtool_ops for msglevel
Jiawen Wu [Wed, 3 Jan 2024 02:08:54 +0000 (10:08 +0800)]
net: wangxun: add ethtool_ops for msglevel

Add support to get and set msglevel for driver txgbe and ngbe.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: wangxun: add ethtool_ops for channel number
Jiawen Wu [Wed, 3 Jan 2024 02:08:53 +0000 (10:08 +0800)]
net: wangxun: add ethtool_ops for channel number

Add support to get RX/TX queue number with ethtool -l, and set RX/TX
queue number with ethtool -L. Since interrupts need to be rescheduled,
adjust the allocation of msix enties.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: wangxun: add coalesce options support
Jiawen Wu [Wed, 3 Jan 2024 02:08:52 +0000 (10:08 +0800)]
net: wangxun: add coalesce options support

Support to show RX/TX coalesce with ethtool -c and set RX/TX
coalesce with ethtool -C.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: wangxun: add ethtool_ops for ring parameters
Jiawen Wu [Wed, 3 Jan 2024 02:08:51 +0000 (10:08 +0800)]
net: wangxun: add ethtool_ops for ring parameters

Support to query RX/TX depth with ethtool -g, and change RX/TX depth
with ethtool -G.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: wangxun: add flow control support
Jiawen Wu [Wed, 3 Jan 2024 02:08:50 +0000 (10:08 +0800)]
net: wangxun: add flow control support

Add support to set pause params with ethtool -A and get pause
params with ethtool -a, for ethernet driver txgbe and ngbe.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: ngbe: convert phylib to phylink
Jiawen Wu [Wed, 3 Jan 2024 02:08:49 +0000 (10:08 +0800)]
net: ngbe: convert phylib to phylink

Implement phylink in ngbe driver, to handle phy uniformly for Wangxun
ethernet devices.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: txgbe: use phylink bits added in libwx
Jiawen Wu [Wed, 3 Jan 2024 02:08:48 +0000 (10:08 +0800)]
net: txgbe: use phylink bits added in libwx

Convert txgbe to use phylink and phylink_config added in libwx.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agonet: libwx: add phylink to libwx
Jiawen Wu [Wed, 3 Jan 2024 02:08:47 +0000 (10:08 +0800)]
net: libwx: add phylink to libwx

For the following implementation, add struct phylink and phylink_config
to wx structure. Add the helper function for converting phylink to wx,
implement ethtool ksetting and nway reset in libwx.

Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoMerge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/nex
David S. Miller [Thu, 4 Jan 2024 10:40:07 +0000 (10:40 +0000)]
Merge branch '100GbE' of git://git./linux/kernel/git/tnguy/nex
t-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-01-02 (ice)

This series contains updates to ice driver only.

Karol adds support for capable devices to receive timestamp via
interrupt rather than polling to allow for less delay.

Andrii adds support switchdev hardware packet mirroring.

Jake reworks VF rebuild to avoid destroying objects that do not need to
be.

Jan S removes reporting of rx_len_errors as they are incorrectly reported
by hardware.

Jan G adds const modifier to some uses that are applicable.

Kunwu Chan adds some checks for failed memory allocations.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoocteontx2-af: Re-enable MAC TX in otx2_stop processing
Naveen Mamindlapalli [Tue, 2 Jan 2024 14:14:00 +0000 (19:44 +0530)]
octeontx2-af: Re-enable MAC TX in otx2_stop processing

During QoS scheduling testing with multiple strict priority flows, the
netdev tx watchdog timeout routine is invoked when a low priority QoS
queue doesn't get a chance to transmit the packets because other high
priority flows are completely subscribing the transmit link. The netdev
tx watchdog timeout routine will stop MAC RX and TX functionality in
otx2_stop() routine before cleanup of HW TX queues which results in SMQ
flush errors because the packets belonging to low priority queues will
never gets flushed since MAC TX is disabled. This patch fixes the issue
by re-enabling MAC TX to ensure the packets in HW pipeline gets flushed
properly.

Fixes: a7faa68b4e7f ("octeontx2-af: Start/Stop traffic in CGX along with NPC")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoocteontx2-af: Always configure NIX TX link credits based on max frame size
Naveen Mamindlapalli [Tue, 2 Jan 2024 09:56:43 +0000 (15:26 +0530)]
octeontx2-af: Always configure NIX TX link credits based on max frame size

Currently the NIX TX link credits are initialized based on the max frame
size that can be transmitted on a link but when the MTU is changed, the
NIX TX link credits are reprogrammed by the SW based on the new MTU value.
Since SMQ max packet length is programmed to max frame size by default,
there is a chance that NIX TX may stall while sending a max frame sized
packet on the link with insufficient credits to send the packet all at
once. This patch avoids stall issue by not changing the link credits
dynamically when the MTU is changed.

Fixes: 1c74b89171c3 ("octeontx2-af: Wait for TX link idle for credits change")
Signed-off-by: Naveen Mamindlapalli <naveenm@marvell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@marvell.com>
Signed-off-by: Nithin Kumar Dabilpuram <ndabilpuram@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agosctp: fix busy polling
Eric Dumazet [Tue, 19 Dec 2023 17:00:17 +0000 (17:00 +0000)]
sctp: fix busy polling

Busy polling while holding the socket lock makes litle sense,
because incoming packets wont reach our receive queue.

Fixes: 8465a5fcd1ce ("sctp: add support for busy polling to sctp protocol")
Reported-by: Jacob Moroni <jmoroni@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Cc: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
8 months agoALSA: hda/realtek: Fix mute and mic-mute LEDs for HP ProBook 440 G6
Siddhesh Dharme [Thu, 4 Jan 2024 06:07:36 +0000 (11:37 +0530)]
ALSA: hda/realtek: Fix mute and mic-mute LEDs for HP ProBook 440 G6

LEDs in 'HP ProBook 440 G6' laptop are controlled by ALC236 codec.
Enable already existing quirk 'ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF'
to fix mute and mic-mute LEDs.

Signed-off-by: Siddhesh Dharme <siddheshdharme18@gmail.com>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20240104060736.5149-1-siddheshdharme18@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
8 months agoMerge tag 'asoc-fix-v6.7-rc8' of https://git.kernel.org/pub/scm/linux/kernel/git...
Takashi Iwai [Thu, 4 Jan 2024 07:58:30 +0000 (08:58 +0100)]
Merge tag 'asoc-fix-v6.7-rc8' of https://git./linux/kernel/git/broonie/sound into for-linus

ASoC: Fixes for v6.7

I recently got a LibreTech Sapphire board for my CI and while
integrating it found and fixed some issues, including crashes for the
enum validation.  There's also a couple of patches adding quirks for
another x86 laptop from Hans and an error handling fix for the Freescale
rpmsg driver.

8 months agonet: kcm: fix direct access to bv_len
Mina Almasry [Tue, 2 Jan 2024 20:59:58 +0000 (12:59 -0800)]
net: kcm: fix direct access to bv_len

Minor fix for kcm: code wanting to access the fields inside an skb
frag should use the skb_frag_*() helpers, instead of accessing the
fields directly.

Signed-off-by: Mina Almasry <almasrymina@google.com>
Link: https://lore.kernel.org/r/20240102205959.794513-1-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agovsock/virtio: use skb_frag_*() helpers
Mina Almasry [Tue, 2 Jan 2024 20:59:04 +0000 (12:59 -0800)]
vsock/virtio: use skb_frag_*() helpers

Minor fix for virtio: code wanting to access the fields inside an skb
frag should use the skb_frag_*() helpers, instead of accessing the
fields directly. This allows for extensions where the underlying
memory is not a page.

Acked-by: Stefano Garzarella <sgarzare@redhat.com>
Signed-off-by: Mina Almasry <almasrymina@google.com>
Link: https://lore.kernel.org/r/20240102205905.793738-1-almasrymina@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet/sched: sch_api: conditional netlink notifications
Pedro Tammela [Fri, 29 Dec 2023 13:26:42 +0000 (10:26 -0300)]
net/sched: sch_api: conditional netlink notifications

Implement conditional netlink notifications for Qdiscs and classes,
which were missing in the initial patches that targeted tc filters and
actions. Notifications will only be built after passing a check for
'rtnl_notify_needed()'.

For both Qdiscs and classes 'get' operations now call a dedicated
notification function as it was not possible to distinguish between
'create' and 'get' before. This distinction is necessary because 'get'
always send a notification.

Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20231229132642.1489088-2-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet/sched: introduce ACT_P_BOUND return code
Pedro Tammela [Fri, 29 Dec 2023 13:26:41 +0000 (10:26 -0300)]
net/sched: introduce ACT_P_BOUND return code

Bound actions always return '0' and as of today we rely on '0'
being returned in order to properly skip bound actions in
tcf_idr_insert_many. In order to further improve maintainability,
introduce the ACT_P_BOUND return code.

Actions are updated to return 'ACT_P_BOUND' instead of plain '0'.
tcf_idr_insert_many is then updated to check for 'ACT_P_BOUND'.

Signed-off-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20231229132642.1489088-1-pctammela@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet-device: move xdp_prog to net_device_read_rx
Eric Dumazet [Tue, 2 Jan 2024 16:22:20 +0000 (16:22 +0000)]
net-device: move xdp_prog to net_device_read_rx

xdp_prog is used in receive path, both from XDP enabled drivers
and from netif_elide_gro().

This patch also removes two 4-bytes holes.

Fixes: 43a71cd66b9c ("net-device: reorganize net_device fast path variables")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Coco Li <lixiaoyan@google.com>
Cc: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20240102162220.750823-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next...
Jakub Kicinski [Thu, 4 Jan 2024 02:07:59 +0000 (18:07 -0800)]
Merge branch '10GbE' of git://git./linux/kernel/git/tnguy/next-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2024-01-02 (ixgbe, i40e)

This series contains updates to ixgbe and i40e drivers.

Ovidiu Panait adds reporting of VF link state to ixgbe.

Jedrzej removes uses of IXGBE_ERR* codes to instead use standard error
codes.

Andrii modifies behavior of VF disable to properly shut down queues on
i40e.

Simon Horman removes, undesired, use of comma operator for i40e.

* '10GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
  i40e: Avoid unnecessary use of comma operator
  i40e: Fix VF disable behavior to block all traffic
  ixgbe: Refactor returning internal error codes
  ixgbe: Refactor overtemp event handling
  ixgbe: report link state for VF devices
====================

Link: https://lore.kernel.org/r/20240102222429.699129-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge tag 'nf-24-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Jakub Kicinski [Thu, 4 Jan 2024 02:05:23 +0000 (18:05 -0800)]
Merge tag 'nf-24-01-03' of git://git./linux/kernel/git/netfilter/nf

Pablo Neira Ayuso says:

====================
Netfilter fixes for net

The following patchset contains Netfilter fixes for net:

1) Fix nat packets in the related state in OVS, from Brad Cowie.

2) Drop chain reference counter on error path in case chain binding
   fails.

* tag 'nf-24-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
  netfilter: nft_immediate: drop chain reference counter on error
  netfilter: nf_nat: fix action not being set for all ct states
====================

Link: https://lore.kernel.org/r/20240103113001.137936-1-pablo@netfilter.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch 'ena-driver-xdp-changes'
Jakub Kicinski [Thu, 4 Jan 2024 02:01:00 +0000 (18:01 -0800)]
Merge branch 'ena-driver-xdp-changes'

David Arinzon says:

====================
ENA driver XDP changes

This patchset contains multiple XDP-related changes
in the ENA driver, including moving the XDP code to
dedicated files.
====================

Link: https://lore.kernel.org/r/20240101190855.18739-1-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Take xdp packets stats into account in ena_get_stats64()
David Arinzon [Mon, 1 Jan 2024 19:08:55 +0000 (19:08 +0000)]
net: ena: Take xdp packets stats into account in ena_get_stats64()

Queue stats using ifconfig and ip are retrieved
via ena_get_stats64(). This function currently does not take
the xdp sent or dropped packets stats into account.

This commit adds the following xdp stats to ena_get_stats64():
tx bytes sent
tx packets sent
rx dropped packets

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-12-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Make queue stats code cleaner by removing the if block
David Arinzon [Mon, 1 Jan 2024 19:08:54 +0000 (19:08 +0000)]
net: ena: Make queue stats code cleaner by removing the if block

Also shorten comment related to it.

Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-11-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Always register RX queue info
David Arinzon [Mon, 1 Jan 2024 19:08:53 +0000 (19:08 +0000)]
net: ena: Always register RX queue info

The RX queue info contains information about the RX queue which might
be relevant to the kernel.

To avoid configuring this queue for different scenarios, this patch
moves the RX queue configuration to ena_up()/ena_down() function and
makes it configured every interface state toggle.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-10-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Add more debug prints to XDP related function
David Arinzon [Mon, 1 Jan 2024 19:08:52 +0000 (19:08 +0000)]
net: ena: Add more debug prints to XDP related function

Used for better readability and debugging of XDP
flow.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-9-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Refactor napi functions
David Arinzon [Mon, 1 Jan 2024 19:08:51 +0000 (19:08 +0000)]
net: ena: Refactor napi functions

This patch focuses on changes to the XDP part of the napi
polling routine.

1. Update the `napi_comp` stat only when napi is actually
   complete.
2. Simplify the code by using a function pointer to the right
   napi routine (XDP vs non-XDP path)
3. Remove unnecessary local variables.
4. Adjust a debug print to show the processed XDP frame index
   rather than the pointer.

Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-8-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Don't check if XDP program is loaded in ena_xdp_execute()
David Arinzon [Mon, 1 Jan 2024 19:08:50 +0000 (19:08 +0000)]
net: ena: Don't check if XDP program is loaded in ena_xdp_execute()

This check is already done in ena_clean_rx_irq() which indirectly
calls it.
This function is called in napi context and the driver doesn't
allow to change the XDP program without performing destruction and
reinitialization of napi context (part of ena_down/ena_up sequence).

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-7-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Use tx_ring instead of xdp_ring for XDP channel TX
David Arinzon [Mon, 1 Jan 2024 19:08:49 +0000 (19:08 +0000)]
net: ena: Use tx_ring instead of xdp_ring for XDP channel TX

When an XDP program is loaded the existing channels in the driver split
into two halves:
- The first half of the channels contain RX and TX rings, these queues
  are used for receiving traffic and sending packets originating from
  kernel.
- The second half of the channels contain only a TX ring. These queues
  are used for sending packets that were redirected using XDP_TX
  or XDP_REDIRECT.

Referring to the queues in the second half of the channels as "xdp_ring"
can be confusing and may give the impression that ENA has the capability
to generate an additional special queue.

This patch ensures that the xdp_ring field is exclusively used to
describe the XDP TX queue that a specific RX queue needs to utilize when
forwarding packets with XDP TX and XDP REDIRECT, preserving the
integrity of the xdp_ring field in ena_ring.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-6-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Introduce total_tx_size field in ena_tx_buffer struct
David Arinzon [Mon, 1 Jan 2024 19:08:48 +0000 (19:08 +0000)]
net: ena: Introduce total_tx_size field in ena_tx_buffer struct

To avoid de-referencing skb or xdp_frame when we poll for TX completion
(where they might not be in the cache), save the total TX packet size in
the ena_tx_buffer object representing the packet.

Also the 'print_once' field's type was changed from u32 to u8 to allow
adding the 'total_tx_size' without changing the total size of the
struct.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-5-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Put orthogonal fields in ena_tx_buffer in a union
David Arinzon [Mon, 1 Jan 2024 19:08:47 +0000 (19:08 +0000)]
net: ena: Put orthogonal fields in ena_tx_buffer in a union

The skb and xdpf pointers cannot be set together in the driver
(each TX descriptor can send either an SKB or an XDP frame), and so it
makes more sense to put them both in a union.

This decreases the overall size of the ena_tx_buffer struct which
improves cache locality.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-4-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Pass ena_adapter instead of net_device to ena_xmit_common()
David Arinzon [Mon, 1 Jan 2024 19:08:46 +0000 (19:08 +0000)]
net: ena: Pass ena_adapter instead of net_device to ena_xmit_common()

This change will enable the ability to use ena_xmit_common()
in functions that don't have a net_device pointer.
While it can be retrieved by dereferencing
ena_adapter (adapter->netdev), there's no reason to do it in
fast path code where this pointer is only needed for
debug prints.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-3-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: ena: Move XDP code to its new files
David Arinzon [Mon, 1 Jan 2024 19:08:45 +0000 (19:08 +0000)]
net: ena: Move XDP code to its new files

XDP system has a very large footprint in the driver's overall code.
makes the whole driver's code much harder to read.

Moving XDP code to dedicated files.

This patch doesn't make any changes to the code itself and only
cut-pastes the code into ena_xdp.c and ena_xdp.h files so the change
is purely cosmetic.

Signed-off-by: Shay Agroskin <shayagr@amazon.com>
Signed-off-by: David Arinzon <darinzon@amazon.com>
Link: https://lore.kernel.org/r/20240101190855.18739-2-darinzon@amazon.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoocteontx2-af: Fix max NPC MCAM entry check while validating ref_entry
Suman Ghosh [Mon, 1 Jan 2024 14:50:42 +0000 (20:20 +0530)]
octeontx2-af: Fix max NPC MCAM entry check while validating ref_entry

As of today, the last MCAM entry was not getting allocated because of
a <= check with the max_bmap count. This patch modifies that and if the
requested entry is greater than the available entries then set it to the
max value.

Signed-off-by: Suman Ghosh <sumang@marvell.com>
Link: https://lore.kernel.org/r/20240101145042.419697-1-sumang@marvell.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge tag 'drm-misc-fixes-2024-01-03' of git://anongit.freedesktop.org/drm/drm-misc...
Dave Airlie [Thu, 4 Jan 2024 01:18:31 +0000 (11:18 +1000)]
Merge tag 'drm-misc-fixes-2024-01-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes

drm-misc-fixes for v6.7 final:
- 2 small qaic fixes.
- Fixes for overflow in aux xfer.
- Fix uninitialised gamma lut in gmag200.
- Small compiler warning fix for backports of a ps8640 fix.

Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/9ba866b4-3144-47a9-a2c0-7313c67249d7@linux.intel.com
8 months agoselftests/net: change shebang to bash to support "source"
Yujie Liu [Fri, 29 Dec 2023 13:19:31 +0000 (21:19 +0800)]
selftests/net: change shebang to bash to support "source"

The patch set [1] added a general lib.sh in net selftests, and converted
several test scripts to source the lib.sh.

unicast_extensions.sh (converted in [1]) and pmtu.sh (converted in [2])
have a /bin/sh shebang which may point to various shells in different
distributions, but "source" is only available in some of them. For
example, "source" is a built-it function in bash, but it cannot be
used in dash.

Refer to other scripts that were converted together, simply change the
shebang to bash to fix the following issues when the default /bin/sh
points to other shells.

not ok 51 selftests: net: unicast_extensions.sh # exit=1

v1 -> v2:
  - Fix pmtu.sh which has the same issue as unicast_extensions.sh,
    suggested by Hangbin
  - Change the style of the "source" line to be consistent with other
    tests, suggested by Hangbin

Link: https://lore.kernel.org/all/20231202020110.362433-1-liuhangbin@gmail.com/
Link: https://lore.kernel.org/all/20231219094856.1740079-1-liuhangbin@gmail.com/
Reported-by: kernel test robot <oliver.sang@intel.com>
Fixes: 378f082eaf37 ("selftests/net: convert pmtu.sh to run it in unique namespace")
Fixes: 0f4765d0b48d ("selftests/net: convert unicast_extensions.sh to run it in unique namespace")
Signed-off-by: Yujie Liu <yujie.liu@intel.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Hangbin Liu <liuhangbin@gmail.com>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
Link: https://lore.kernel.org/r/20231229131931.3961150-1-yujie.liu@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue
Jakub Kicinski [Thu, 4 Jan 2024 01:02:45 +0000 (17:02 -0800)]
Merge branch '1GbE' of git://git./linux/kernel/git/tnguy/net-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2023-12-27 (igc)

This series contains updates to igc driver only.

Kurt Kanzenbach resolves issues around VLAN ntuple rules; correctly
reporting back added rules and checking for valid values.

* '1GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  igc: Check VLAN EtherType mask
  igc: Check VLAN TCI mask
  igc: Report VLAN EtherType matching back to user
====================

Link: https://lore.kernel.org/r/20231227210041.3035055-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net...
Jakub Kicinski [Thu, 4 Jan 2024 01:00:15 +0000 (17:00 -0800)]
Merge branch '100GbE' of git://git./linux/kernel/git/tnguy/net-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2023-12-27 (ice, i40e)

This series contains updates to ice and i40e drivers.

Katarzyna changes message to no longer be reported as error under
certain conditions as it can be expected on ice.

Ngai-Mint ensures VSI is always closed when stopping interface to
prevent NULL pointer dereference for ice.

Arkadiusz corrects reporting of phase offset value for ice.

Sudheer corrects checking on ADQ filters to prevent invalid values on
i40e.

* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  i40e: Fix filter input checks to prevent config with invalid values
  ice: dpll: fix phase offset value
  ice: Shut down VSI with "link-down-on-close" enabled
  ice: Fix link_down_on_close message
====================

Link: https://lore.kernel.org/r/20231227182541.3033124-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet/smc: fix invalid link access in dumping SMC-R connections
Wen Gu [Wed, 27 Dec 2023 07:40:35 +0000 (15:40 +0800)]
net/smc: fix invalid link access in dumping SMC-R connections

A crash was found when dumping SMC-R connections. It can be reproduced
by following steps:

- environment: two RNICs on both sides.
- run SMC-R between two sides, now a SMC_LGR_SYMMETRIC type link group
  will be created.
- set the first RNIC down on either side and link group will turn to
  SMC_LGR_ASYMMETRIC_LOCAL then.
- run 'smcss -R' and the crash will be triggered.

 BUG: kernel NULL pointer dereference, address: 0000000000000010
 #PF: supervisor read access in kernel mode
 #PF: error_code(0x0000) - not-present page
 PGD 8000000101fdd067 P4D 8000000101fdd067 PUD 10ce46067 PMD 0
 Oops: 0000 [#1] PREEMPT SMP PTI
 CPU: 3 PID: 1810 Comm: smcss Kdump: loaded Tainted: G W   E      6.7.0-rc6+ #51
 RIP: 0010:__smc_diag_dump.constprop.0+0x36e/0x620 [smc_diag]
 Call Trace:
  <TASK>
  ? __die+0x24/0x70
  ? page_fault_oops+0x66/0x150
  ? exc_page_fault+0x69/0x140
  ? asm_exc_page_fault+0x26/0x30
  ? __smc_diag_dump.constprop.0+0x36e/0x620 [smc_diag]
  smc_diag_dump_proto+0xd0/0xf0 [smc_diag]
  smc_diag_dump+0x26/0x60 [smc_diag]
  netlink_dump+0x19f/0x320
  __netlink_dump_start+0x1dc/0x300
  smc_diag_handler_dump+0x6a/0x80 [smc_diag]
  ? __pfx_smc_diag_dump+0x10/0x10 [smc_diag]
  sock_diag_rcv_msg+0x121/0x140
  ? __pfx_sock_diag_rcv_msg+0x10/0x10
  netlink_rcv_skb+0x5a/0x110
  sock_diag_rcv+0x28/0x40
  netlink_unicast+0x22a/0x330
  netlink_sendmsg+0x240/0x4a0
  __sock_sendmsg+0xb0/0xc0
  ____sys_sendmsg+0x24e/0x300
  ? copy_msghdr_from_user+0x62/0x80
  ___sys_sendmsg+0x7c/0xd0
  ? __do_fault+0x34/0x1a0
  ? do_read_fault+0x5f/0x100
  ? do_fault+0xb0/0x110
  __sys_sendmsg+0x4d/0x80
  do_syscall_64+0x45/0xf0
  entry_SYSCALL_64_after_hwframe+0x6e/0x76

When the first RNIC is set down, the lgr->lnk[0] will be cleared and an
asymmetric link will be allocated in lgr->link[SMC_LINKS_PER_LGR_MAX - 1]
by smc_llc_alloc_alt_link(). Then when we try to dump SMC-R connections
in __smc_diag_dump(), the invalid lgr->lnk[0] will be accessed, resulting
in this issue. So fix it by accessing the right link.

Fixes: f16a7dd5cf27 ("smc: netlink interface for SMC sockets")
Reported-by: henaumars <henaumars@sina.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=7616
Signed-off-by: Wen Gu <guwen@linux.alibaba.com>
Reviewed-by: Tony Lu <tonylu@linux.alibaba.com>
Link: https://lore.kernel.org/r/1703662835-53416-1-git-send-email-guwen@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet/qla3xxx: fix potential memleak in ql_alloc_buffer_queues
Dinghao Liu [Wed, 27 Dec 2023 07:02:27 +0000 (15:02 +0800)]
net/qla3xxx: fix potential memleak in ql_alloc_buffer_queues

When dma_alloc_coherent() fails, we should free qdev->lrg_buf
to prevent potential memleak.

Fixes: 1357bfcf7106 ("qla3xxx: Dynamically size the rx buffer queue based on the MTU.")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Link: https://lore.kernel.org/r/20231227070227.10527-1-dinghao.liu@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge branch '200GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net...
Jakub Kicinski [Thu, 4 Jan 2024 00:48:59 +0000 (16:48 -0800)]
Merge branch '200GbE' of git://git./linux/kernel/git/tnguy/net-queue

Tony Nguyen says:

====================
Intel Wired LAN Driver Updates 2023-12-26 (idpf)

This series contains updates to idpf driver only.

Alexander resolves issues in singleq mode to prevent corrupted frames
and leaking skbs.

Pavan prevents extra padding on RSS struct causing load failure due to
unexpected size.

* '200GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue:
  idpf: avoid compiler introduced padding in virtchnl2_rss_key struct
  idpf: fix corrupted frames and skb leaks in singleq mode
====================

Link: https://lore.kernel.org/r/20231226174125.2632875-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agovirtio_net: fix missing dma unmap for resize
Xuan Zhuo [Tue, 26 Dec 2023 09:43:33 +0000 (17:43 +0800)]
virtio_net: fix missing dma unmap for resize

For rq, we have three cases getting buffers from virtio core:

1. virtqueue_get_buf{,_ctx}
2. virtqueue_detach_unused_buf
3. callback for virtqueue_resize

But in commit 295525e29a5b("virtio_net: merge dma operations when
filling mergeable buffers"), I missed the dma unmap for the #3 case.

That will leak some memory, because I did not release the pages referred
by the unused buffers.

If we do such script, we will make the system OOM.

    while true
    do
            ethtool -G ens4 rx 128
            ethtool -G ens4 rx 256
            free -m
    done

Fixes: 295525e29a5b ("virtio_net: merge dma operations when filling mergeable buffers")
Signed-off-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Link: https://lore.kernel.org/r/20231226094333.47740-1-xuanzhuo@linux.alibaba.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agofib: remove unnecessary input parameters in fib_default_rule_add
Zhengchao Shao [Tue, 2 Jan 2024 07:15:19 +0000 (15:15 +0800)]
fib: remove unnecessary input parameters in fib_default_rule_add

When fib_default_rule_add is invoked, the value of the input parameter
'flags' is always 0. Rules uses kzalloc to allocate memory, so 'flags' has
been initialized to 0. Therefore, remove the input parameter 'flags' in
fib_default_rule_add.

Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Link: https://lore.kernel.org/r/20240102071519.3781384-1-shaozhengchao@huawei.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: mvpp2: initialize port fwnode pointer
Marcin Wojtas [Sun, 31 Dec 2023 12:20:19 +0000 (12:20 +0000)]
net: mvpp2: initialize port fwnode pointer

Update the port's device structure also with its fwnode pointer
with a recommended device_set_node() helper routine.

Signed-off-by: Marcin Wojtas <marcin.s.wojtas@gmail.com>
Reviewed-by: Suman Ghosh <sumang@marvell.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://lore.kernel.org/r/20231231122019.123344-1-marcin.s.wojtas@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agonet: mdio: mux-bcm-iproc: Use alignment helpers and SZ_4K
Ilpo Järvinen [Fri, 29 Dec 2023 14:52:32 +0000 (16:52 +0200)]
net: mdio: mux-bcm-iproc: Use alignment helpers and SZ_4K

Instead of open coding, use IS_ALIGNED() and ALIGN_DOWN() when dealing
with alignment. Replace also literals with SZ_4K.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Reviewed-by: Florian Fainelli <florian.fainelli@broadcom.com>
Acked-by: Ray Jui <ray.jui@broadcom.com>
Link: https://lore.kernel.org/r/20231229145232.6163-1-ilpo.jarvinen@linux.intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
8 months agoMerge tag 'pci-v6.7-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci
Linus Torvalds [Wed, 3 Jan 2024 22:18:57 +0000 (14:18 -0800)]
Merge tag 'pci-v6.7-fixes-2' of git://git./linux/kernel/git/pci/pci

Pull PCI fixes from Bjorn Helgaas:

 - Revert an ASPM patch that caused an unintended reboot when resuming
   after suspend (Bjorn Helgaas)

 - Orphan Cadence PCIe IP (Bjorn Helgaas)

* tag 'pci-v6.7-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/pci/pci:
  MAINTAINERS: Orphan Cadence PCIe IP
  Revert "PCI/ASPM: Remove pcie_aspm_pm_state_change()"

8 months agoMerge tag 'apparmor-pr-2024-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 3 Jan 2024 21:58:37 +0000 (13:58 -0800)]
Merge tag 'apparmor-pr-2024-01-03' of git://git./linux/kernel/git/jj/linux-apparmor

Pull apparmor fix from John Johansen:
 "Detect that the source mount is not in the namespace and if it isn't
  don't use it as a source path match.

  This prevent apparmor from applying the attach_disconnected flag to
  move_mount() source which prevents detached mounts from appearing as /
  when applying mount mediation, which is not only incorrect but could
  result in bad policy being generated"

* tag 'apparmor-pr-2024-01-03' of git://git.kernel.org/pub/scm/linux/kernel/git/jj/linux-apparmor:
  apparmor: Fix move_mount mediation by detecting if source is detached

8 months agoapparmor: Fix move_mount mediation by detecting if source is detached
John Johansen [Mon, 18 Dec 2023 09:10:03 +0000 (01:10 -0800)]
apparmor: Fix move_mount mediation by detecting if source is detached

Prevent move_mount from applying the attach_disconnected flag
to move_mount(). This prevents detached mounts from appearing
as / when applying mount mediation, which is not only incorrect
but could result in bad policy being generated.

Basic mount rules like
  allow mount,
  allow mount options=(move) -> /target/,

will allow detached mounts, allowing older policy to continue
to function. New policy gains the ability to specify `detached` as
a source option
  allow mount detached -> /target/,

In addition make sure support of move_mount is advertised as
a feature to userspace so that applications that generate policy
can respond to the addition.

Note: this fixes mediation of move_mount when a detached mount is used,
      it does not fix the broader regression of apparmor mediation of
      mounts under the new mount api.

Link: https://lore.kernel.org/all/68c166b8-5b4d-4612-8042-1dee3334385b@leemhuis.info/T/#mb35fdde37f999f08f0b02d58dc1bf4e6b65b8da2
Fixes: 157a3537d6bc ("apparmor: Fix regression in mount mediation")
Reviewed-by: Georgia Garcia <georgia.garcia@canonical.com>
Signed-off-by: John Johansen <john.johansen@canonical.com>
8 months agoMerge tag 'efi-urgent-for-v6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git...
Linus Torvalds [Wed, 3 Jan 2024 19:50:17 +0000 (11:50 -0800)]
Merge tag 'efi-urgent-for-v6.7-3' of git://git./linux/kernel/git/efi/efi

Pull EFI fix from Ard Biesheuvel:

 - Ensure that the KASLR load flag is set in boot_params when loading
   the kernel randomized directly from the EFI stub

* tag 'efi-urgent-for-v6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/efi/efi:
  efi/x86: Fix the missing KASLR_FLAG bit in boot_params->hdr.loadflags

8 months agoMerge tag 'trace-v6.7-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace...
Linus Torvalds [Wed, 3 Jan 2024 19:45:15 +0000 (11:45 -0800)]
Merge tag 'trace-v6.7-rc8' of git://git./linux/kernel/git/trace/linux-trace

Pull tracing fixes from Steven Rostedt:

 - Fix a NULL kernel dereference in set_gid() on tracefs mounting.

   When tracefs is mounted with "gid=1000", it will update the existing
   dentries to have the new gid. The tracefs_inode which is retrieved by
   a container_of(dentry->d_inode) has flags to see if the inode belongs
   to the eventfs system.

   The issue that was fixed was if getdents() was called on tracefs that
   was previously mounted, and was not closed. It will leave a "cursor
   dentry" in the subdirs list of the current dentries that set_gid()
   walks. On a remount of tracefs, the container_of(dentry->d_inode)
   will dereference a NULL pointer and cause a crash when referenced.

   Simply have a check for dentry->d_inode to see if it is NULL and if
   so, skip that entry.

 - Fix the bits of the eventfs_inode structure.

   The "is_events" bit was taken from the nr_entries field, but the
   nr_entries field wasn't updated to be 30 bits and was still 31.
   Including the "is_freed" bit this would use 33 bits which would make
   the structure use another integer for just one bit.

* tag 'trace-v6.7-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
  eventfs: Fix bitwise fields for "is_events"
  tracefs: Check for dentry->d_inode exists in set_gid()

8 months agoMerge tag 'bcachefs-2024-01-01' of https://evilpiepirate.org/git/bcachefs
Linus Torvalds [Wed, 3 Jan 2024 19:35:48 +0000 (11:35 -0800)]
Merge tag 'bcachefs-2024-01-01' of https://evilpiepirate.org/git/bcachefs

Pull bcachefs from Kent Overstreet:
 "More bcachefs bugfixes for 6.7, and forwards compatibility work:

   - fix for a nasty extents + snapshot interaction, reported when
     reflink of a snapshotted file wouldn't complete but turned out to
     be a more general bug

   - fix for an invalid free in dio write path when iov vector was
     longer than our inline vector

   - fix for a buffer overflow in the nocow write path -
     BCH_REPLICAS_MAX doesn't actually limit the number of pointers in
     an extent when cached pointers are included

   - RO snapshots are actually RO now

   - And, a new superblock section to avoid future breakage when the
     disk space acounting rewrite rolls out: the new superblock section
     describes versions that need work to downgrade, where the work
     required is a list of recovery passes and errors to silently fix"

* tag 'bcachefs-2024-01-01' of https://evilpiepirate.org/git/bcachefs:
  bcachefs: make RO snapshots actually RO
  bcachefs: bch_sb_field_downgrade
  bcachefs: bch_sb.recovery_passes_required
  bcachefs: Add persistent identifiers for recovery passes
  bcachefs: prt_bitflags_vector()
  bcachefs: move BCH_SB_ERRS() to sb-errors_types.h
  bcachefs: fix buffer overflow in nocow write path
  bcachefs: DARRAY_PREALLOCATED()
  bcachefs: Switch darray to kvmalloc()
  bcachefs: Factor out darray resize slowpath
  bcachefs: fix setting version_upgrade_complete
  bcachefs: fix invalid free in dio write path
  bcachefs: Fix extents iteration + snapshots interaction

8 months agoigc: Fix hicredit calculation
Rodrigo Cataldo [Fri, 8 Dec 2023 14:58:16 +0000 (15:58 +0100)]
igc: Fix hicredit calculation

According to the Intel Software Manual for I225, Section 7.5.2.7,
hicredit should be multiplied by the constant link-rate value, 0x7736.

Currently, the old constant link-rate value, 0x7735, from the boards
supported on igb are being used, most likely due to a copy'n'paste, as
the rest of the logic is the same for both drivers.

Update hicredit accordingly.

Fixes: 1ab011b0bf07 ("igc: Add support for CBS offloading")
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: Rodrigo Cataldo <rodrigo.cadore@l-acoustics.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Naama Meir <naamax.meir@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
8 months agoice: fix Get link status data length
Paul Greenwalt [Thu, 21 Dec 2023 21:40:28 +0000 (16:40 -0500)]
ice: fix Get link status data length

Get link status version 2 (opcode 0x0607) is returning an error because FW
expects a data length of 56 bytes, and this is causing the driver to fail
probe.

Update the get link status version 2 data length to 56 bytes by adding 5
byte reserved5 field to the end of struct ice_aqc_get_link_status_data and
passing it as parameter to offsetofend() to the fix error.

Fixes: 2777d24ec6d1 ("ice: Add ice_get_link_status_datalen")
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>