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Simply returning the negative error value instead of the read value
doesn't seem like a good idea. Return 0 instead and add WARN_ON_ONCE(1)
so this kind of error will not go unnoticed.
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Heiner Kallweit says:
====================
net: phy: smsc: add support for edpd tunable
This adds support for the EDPD PHY tunable.
Per default EDPD is disabled in interrupt mode, the tunable can be used
to override this, e.g. if the link partner doesn't use EDPD.
The interval to check for energy can be chosen between 1000ms and
2000ms. Note that this value consists of the 1000ms phylib interval
for state machine runs plus the time to wait for energy being detected.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable EDPD PHY tunable support for all drivers using
lan87xx_read_status.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This adds support for the EDPD PHY tunable.
Per default EDPD is disabled in interrupt mode, the tunable can be used
to override this, e.g. if the link partner doesn't use EDPD.
The interval to check for energy can be chosen between 1000ms and
2000ms. Note that this value consists of the 1000ms phylib interval
for state machine runs plus the time to wait for energy being detected.
v2:
- consider that phylib core holds phydev->lock when calling the
phy tunable hooks
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a member edpd_max_wait_ms to the private data structure in preparation
of making the wait period configurable by supporting the edpd phy tunable.
v2:
- rename constant to EDPD_MAX_WAIT_DFLT_MS
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add flag edpd_mode_set_by_user in preparation of adding edpd phy tunable
support. This flag will allow users to override the default behavior
of edpd being disabled if interrupt mode is used.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Clear edpd_enable if interupt mode is used, this avoids
having to check for PHY_POLL multiple times.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add helper smsc_phy_config_edpd() and explicitly clear bit
MII_LAN83C185_EDPWRDOWN is edpd_enable isn't set.
Boot loader may have left whatever value.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rename the flag to edpd_enable, as we're not enabling energy but
edpd (energy detect power down) mode. In addition change the
type to a bit field member in preparation of adding further flags.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladimir Oltean says:
====================
net: Convert dsa_master_ioctl() to netdev notifier
This is preparatory work in order for Maxim Georgiev to be able to start
the API conversion process of hardware timestamping from ndo_eth_ioctl()
to ndo_hwtstamp_set():
https://lore.kernel.org/netdev/20230331045619.40256-1-glipus@gmail.com/
In turn, Maxim Georgiev's work is a preparation so that Köry Maincent is
able to make the active hardware timestamping layer selectable by user
space.
https://lore.kernel.org/netdev/20230308135936.761794-1-kory.maincent@bootlin.com/
So, quite some dependency chain.
Before this patch set, DSA prevented the conversion of any networking
driver from the ndo_eth_ioctl() API to the ndo_hwtstamp_set() API,
because it wanted to validate the hwtstamping settings on the DSA
master, and it was only coded up to do this using the old API.
After this patch set, a new netdev notifier exists, which does not
depend on anything that would constitute the "soon-to-be-legacy" API,
but rather, it uses a newly introduced struct kernel_hwtstamp_config,
and it doesn't issue any ioctl at all, being thus compatible both with
ndo_eth_ioctl(), and with the not-yet-introduced, but now possible,
ndo_hwtstamp_set().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The fact that PTP 2-step TX timestamping is broken on DSA switches if
the master also timestamps the same packets is documented by commit
f685e609a301 ("net: dsa: Deny PTP on master if switch supports it").
We attempt to help the users avoid shooting themselves in the foot by
making DSA reject the timestamping ioctls on an interface that is a DSA
master, and the switch tree beneath it contains switches which are aware
of PTP.
The only problem is that there isn't an established way of intercepting
ndo_eth_ioctl calls, so DSA creates avoidable burden upon the network
stack by creating a struct dsa_netdevice_ops with overlaid function
pointers that are manually checked from the relevant call sites. There
used to be 2 such dsa_netdevice_ops, but now, ndo_eth_ioctl is the only
one left.
There is an ongoing effort to migrate driver-visible hardware timestamping
control from the ndo_eth_ioctl() based API to a new ndo_hwtstamp_set()
model, but DSA actively prevents that migration, since dsa_master_ioctl()
is currently coded to manually call the master's legacy ndo_eth_ioctl(),
and so, whenever a network device driver would be converted to the new
API, DSA's restrictions would be circumvented, because any device could
be used as a DSA master.
The established way for unrelated modules to react on a net device event
is via netdevice notifiers. So we create a new notifier which gets
called whenever there is an attempt to change hardware timestamping
settings on a device.
Finally, there is another reason why a netdev notifier will be a good
idea, besides strictly DSA, and this has to do with PHY timestamping.
With ndo_eth_ioctl(), all MAC drivers must manually call
phy_has_hwtstamp() before deciding whether to act upon SIOCSHWTSTAMP,
otherwise they must pass this ioctl to the PHY driver via
phy_mii_ioctl().
With the new ndo_hwtstamp_set() API, it will be desirable to simply not
make any calls into the MAC device driver when timestamping should be
performed at the PHY level.
But there exist drivers, such as the lan966x switch, which need to
install packet traps for PTP regardless of whether they are the layer
that provides the hardware timestamps, or the PHY is. That would be
impossible to support with the new API.
The proposal there, too, is to introduce a netdev notifier which acts as
a better cue for switching drivers to add or remove PTP packet traps,
than ndo_hwtstamp_set(). The one introduced here "almost" works there as
well, except for the fact that packet traps should only be installed if
the PHY driver succeeded to enable hardware timestamping, whereas here,
we need to deny hardware timestamping on the DSA master before it
actually gets enabled. This is why this notifier is called "PRE_", and
the notifier that would get used for PHY timestamping and packet traps
would be called NETDEV_CHANGE_HWTSTAMP. This isn't a new concept, for
example NETDEV_CHANGEUPPER and NETDEV_PRECHANGEUPPER do the same thing.
In expectation of future netlink UAPI, we also pass a non-NULL extack
pointer to the netdev notifier, and we make DSA populate it with an
informative reason for the rejection. To avoid making it go to waste, we
make the ioctl-based dev_set_hwtstamp() create a fake extack and print
the message to the kernel log.
Link: https://lore.kernel.org/netdev/20230401191215.tvveoi3lkawgg6g4@skbuf/
Link: https://lore.kernel.org/netdev/20230310164451.ls7bbs6pdzs4m6pw@skbuf/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dsa_master_ioctl() is in the process of getting converted to a different
API, where we won't have access to a struct ifreq * anymore, but rather,
to a struct kernel_hwtstamp_config.
Since ds->ops->port_hwtstamp_get() still uses struct ifreq *, this
creates a difficult situation where we have to make up such a dummy
pointer.
The conversion is a bit messy, because it forces a "good" implementation
of ds->ops->port_hwtstamp_get() to return -EFAULT in copy_to_user()
because of the NULL ifr->ifr_data pointer. However, it works, and it is
only a transient step until ds->ops->port_hwtstamp_get() gets converted
to the new API which passes struct kernel_hwtstamp_config and does not
call copy_to_user().
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jakub Kicinski suggested that we may want to add new UAPI for
controlling hardware timestamping through netlink in the future, and in
that case, we will be limited to the struct hwtstamp_config that is
currently passed in fixed binary format through the SIOCGHWTSTAMP and
SIOCSHWTSTAMP ioctls. It would be good if new kernel code already
started operating on an extensible kernel variant of that structure,
similar in concept to struct kernel_ethtool_coalesce vs struct
ethtool_coalesce.
Since struct hwtstamp_config is in include/uapi/linux/net_tstamp.h, here
we introduce include/linux/net_tstamp.h which shadows that other header,
but also includes it, so that existing includers of this header work as
before. In addition to that, we add the definition for the kernel-only
structure, and a helper which translates all fields by manual copying.
I am doing a manual copy in order to not force the alignment (or type)
of the fields of struct kernel_hwtstamp_config to be the same as of
struct hwtstamp_config, even though now, they are the same.
Link: https://lore.kernel.org/netdev/20230330223519.36ce7d23@kernel.org/
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The kernel will want to start using the more meaningful struct
hwtstamp_config pointer in more places, so move the copy_from_user() at
the beginning of dev_set_hwtstamp() in order to get to that, and pass
this argument to net_hwtstamp_validate().
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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DSA does not want to intercept all ioctls handled by dev_eth_ioctl(),
only SIOCSHWTSTAMP. This can be seen from commit f685e609a301 ("net:
dsa: Deny PTP on master if switch supports it"). However, the way in
which the dsa_ndo_eth_ioctl() is called would suggest otherwise.
Split the handling of SIOCSHWTSTAMP and SIOCGHWTSTAMP ioctls into
separate case statements of dev_ifsioc(), and make each one call its own
sub-function. This also removes the dsa_ndo_eth_ioctl() call from
dev_eth_ioctl(), which from now on exclusively handles PHY ioctls.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In the expression "x == 0 || x != -95", the term "x == 0" does not
change the expression's logical value, because 0 != -95, and so,
if x is 0, the expression would still be true by virtue of the second
term. If x is non-zero, the expression depends on the truth value of
the second term anyway. As such, the first term is redundant and can
be deleted.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "switch (cmd)" block from dev_ifsioc() gained a bit too much
unnecessary manual handling of "cmd" in the "default" case, starting
with the private ioctls.
Clean that up by using the "ellipsis" gcc extension, adding separate
cases for the rest of the ioctls, and letting the default case only
return -EINVAL.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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clang with W=1 reports
drivers/net/ethernet/alteon/acenic.c:2438:10: error: variable
'len' set but not used [-Werror,-Wunused-but-set-variable]
int i, len = 0;
^
This variable is not used so remove it.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Petr Machata says:
====================
mlxsw: Use static trip points for transceiver modules
Ido Schimmel writes:
See patch #1 for motivation and implementation details.
Patches #2-#3 are simple cleanups as a result of the changes in the
first patch.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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The get_temp() callback of a thermal zone associated with a transceiver
module no longer needs to read the temperature thresholds of the module.
Therefore, simplify the callback by only reading the temperature.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The function can no longer fail so make it void and remove the
associated error path.
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver registers a thermal zone for each transceiver module and
tries to set the trip point temperatures according to the thresholds
read from the transceiver. If a threshold cannot be read or if a
transceiver is unplugged, the trip point temperature is set to zero,
which means that it is disabled as far as the thermal subsystem is
concerned.
A recent change in the thermal core made it so that such trip points are
no longer marked as disabled, which lead the thermal subsystem to
incorrectly set the associated cooling devices to the their maximum
state [1]. A fix to restore this behavior was merged in commit
f1b80a3878b2 ("thermal: core: Restore behavior regarding invalid trip
points"). However, the thermal maintainer suggested to not rely on this
behavior and instead always register a valid array of trip points [2].
Therefore, create a static array of trip points with sane defaults
(suggested by Vadim) and register it with the thermal zone of each
transceiver module. User space can choose to override these defaults
using the thermal zone sysfs interface since these files are writeable.
Before:
$ cat /sys/class/thermal/thermal_zone11/type
mlxsw-module11
$ cat /sys/class/thermal/thermal_zone11/trip_point_*_temp
65000
75000
80000
After:
$ cat /sys/class/thermal/thermal_zone11/type
mlxsw-module11
$ cat /sys/class/thermal/thermal_zone11/trip_point_*_temp
55000
65000
80000
Also tested by reverting commit f1b80a3878b2 ("thermal: core: Restore
behavior regarding invalid trip points") and making sure that the
associated cooling devices are not set to their maximum state.
[1] https://lore.kernel.org/linux-pm/ZA3CFNhU4AbtsP4G@shredder/
[2] https://lore.kernel.org/linux-pm/f78e6b70-a963-c0ca-a4b2-0d4c6aeef1fb@linaro.org/
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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napi_id is read by GRO and drivers to mark skbs, and it currently
sits at the end of the structure, in a mostly unused cache line.
Move it up into a hole, and separate the clearly control path
fields from the important ones.
Before:
struct napi_struct {
struct list_head poll_list; /* 0 16 */
long unsigned int state; /* 16 8 */
int weight; /* 24 4 */
int defer_hard_irqs_count; /* 28 4 */
long unsigned int gro_bitmask; /* 32 8 */
int (*poll)(struct napi_struct *, int); /* 40 8 */
int poll_owner; /* 48 4 */
/* XXX 4 bytes hole, try to pack */
struct net_device * dev; /* 56 8 */
/* --- cacheline 1 boundary (64 bytes) --- */
struct gro_list gro_hash[8]; /* 64 192 */
/* --- cacheline 4 boundary (256 bytes) --- */
struct sk_buff * skb; /* 256 8 */
struct list_head rx_list; /* 264 16 */
int rx_count; /* 280 4 */
/* XXX 4 bytes hole, try to pack */
struct hrtimer timer; /* 288 64 */
/* XXX last struct has 4 bytes of padding */
/* --- cacheline 5 boundary (320 bytes) was 32 bytes ago --- */
struct list_head dev_list; /* 352 16 */
struct hlist_node napi_hash_node; /* 368 16 */
/* --- cacheline 6 boundary (384 bytes) --- */
unsigned int napi_id; /* 384 4 */
/* XXX 4 bytes hole, try to pack */
struct task_struct * thread; /* 392 8 */
/* size: 400, cachelines: 7, members: 17 */
/* sum members: 388, holes: 3, sum holes: 12 */
/* paddings: 1, sum paddings: 4 */
/* last cacheline: 16 bytes */
};
After:
struct napi_struct {
struct list_head poll_list; /* 0 16 */
long unsigned int state; /* 16 8 */
int weight; /* 24 4 */
int defer_hard_irqs_count; /* 28 4 */
long unsigned int gro_bitmask; /* 32 8 */
int (*poll)(struct napi_struct *, int); /* 40 8 */
int poll_owner; /* 48 4 */
/* XXX 4 bytes hole, try to pack */
struct net_device * dev; /* 56 8 */
/* --- cacheline 1 boundary (64 bytes) --- */
struct gro_list gro_hash[8]; /* 64 192 */
/* --- cacheline 4 boundary (256 bytes) --- */
struct sk_buff * skb; /* 256 8 */
struct list_head rx_list; /* 264 16 */
int rx_count; /* 280 4 */
unsigned int napi_id; /* 284 4 */
struct hrtimer timer; /* 288 64 */
/* XXX last struct has 4 bytes of padding */
/* --- cacheline 5 boundary (320 bytes) was 32 bytes ago --- */
struct task_struct * thread; /* 352 8 */
struct list_head dev_list; /* 360 16 */
struct hlist_node napi_hash_node; /* 376 16 */
/* size: 392, cachelines: 7, members: 17 */
/* sum members: 388, holes: 1, sum holes: 4 */
/* paddings: 1, sum paddings: 4 */
/* forced alignments: 1 */
/* last cacheline: 8 bytes */
} __attribute__((__aligned__(8)));
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently in the i40e driver there is no implementation of different
MAC address handling depending on whether it is a legacy or primary.
Introduce new checks for VF to be able to specify its primary MAC
address based on the VIRTCHNL_ETHER_ADDR_PRIMARY type.
Primary MAC address are treated differently compared to legacy
ones in a scenario where:
1. If a unicast MAC is being added and it's specified as
VIRTCHNL_ETHER_ADDR_PRIMARY, then replace the current
default_lan_addr.addr.
2. If a unicast MAC is being deleted and it's type
is specified as VIRTCHNL_ETHER_ADDR_PRIMARY, then zero the
hw_lan_addr.addr.
Signed-off-by: Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:
====================
Intel Wired LAN Driver Updates 2023-03-30 (documentation, ice)
This series contains updates to driver documentation and the ice driver.
Tony removes links and addresses related to the out-of-tree driver from the
Intel ethernet driver documentation.
Jake removes a comment that is no longer valid to the ice driver.
* '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue:
ice: remove comment about not supporting driver reinit
Documentation/eth/intel: Remove references to SourceForge
Documentation/eth/intel: Update address for driver support
====================
Link: https://lore.kernel.org/r/20230330165935.2503604-1-anthony.l.nguyen@intel.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next
Florian Westphal says:
====================
netfilter updates for net-next
1. No need to disable BH in nfnetlink proc handler, freeing happens
via call_rcu.
2. Expose classid in nfetlink_queue, from Eric Sage.
3. Fix nfnetlink message description comments, from Matthieu De Beule.
4. Allow removal of offloaded connections via ctnetlink, from Paul Blakey.
* tag 'nf-next-2023-03-30' of https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next:
netfilter: ctnetlink: Support offloaded conntrack entry deletion
netfilter: Correct documentation errors in nf_tables.h
netfilter: nfnetlink_queue: enable classid socket info retrieval
netfilter: nfnetlink_log: remove rcu_bh usage
====================
Link: https://lore.kernel.org/r/20230331104809.2959-1-fw@strlen.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add optional power domains property
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230328061518.1985981-1-peng.fan@oss.nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Our Network Load Balancer (NLB) [0] has multiple nodes with different
IP addresses, and each node forwards TCP flows from clients to backend
targets. NLB has an option to preserve the client's source IP address
and port when routing packets to backend targets. [1]
When a client connects to two different NLB nodes, they may select the
same backend target. Then, if the client has used the same source IP
and port, the two flows at the backend side will have the same 4-tuple.
While testing around such cases, I saw these sequences on the backend
target.
IP 10.0.0.215.60000 > 10.0.3.249.10000: Flags [S], seq 2819965599, win 62727, options [mss 8365,sackOK,TS val 1029816180 ecr 0,nop,wscale 7], length 0
IP 10.0.3.249.10000 > 10.0.0.215.60000: Flags [S.], seq 3040695044, ack 2819965600, win 62643, options [mss 8961,sackOK,TS val 1224784076 ecr 1029816180,nop,wscale 7], length 0
IP 10.0.0.215.60000 > 10.0.3.249.10000: Flags [.], ack 1, win 491, options [nop,nop,TS val 1029816181 ecr 1224784076], length 0
IP 10.0.0.215.60000 > 10.0.3.249.10000: Flags [S], seq 2681819307, win 62727, options [mss 8365,sackOK,TS val 572088282 ecr 0,nop,wscale 7], length 0
IP 10.0.3.249.10000 > 10.0.0.215.60000: Flags [.], ack 1, win 490, options [nop,nop,TS val 1224794914 ecr 1029816181,nop,nop,sack 1 {4156821004:4156821005}], length 0
It seems to be working correctly, but the last ACK was generated by
tcp_send_dupack() and PAWSEstab was increased. This is because the
second connection has a smaller timestamp than the first one.
In this case, we should send a dup ACK in tcp_send_challenge_ack()
to increase the correct counter and rate-limit it properly.
Let's check the SYN flag after the PAWS tests to avoid adding unnecessary
overhead for most packets.
Link: https://docs.aws.amazon.com/elasticloadbalancing/latest/network/introduction.html [0]
Link: https://docs.aws.amazon.com/elasticloadbalancing/latest/network/load-balancer-target-groups.html#client-ip-preservation [1]
Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com>
Reviewed-by: Jason Xing <kerneljasonxing@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
|
|
On Wed, Mar 29, 2023 at 08:10:26AM +0000, patchwork-bot+netdevbpf@kernel.org wrote:
>
> Here is the summary with links:
> - [1/2] macvlan: Skip broadcast queue if multicast with single receiver
> https://git.kernel.org/netdev/net-next/c/d45276e75e90
> - [2/2] macvlan: Add netlink attribute for broadcast cutoff
> https://git.kernel.org/netdev/net-next/c/954d1fa1ac93
Sorry, I made an error and posted my patches from an earlier
revision so a follow-up fix was missing:
---8<---
The bc_cutoff patch broke the calculation of mc_filter causing
some multicast packets to not make it through to the targeted
device.
Fix this by checking whether vlan is set instead of cutoff >= 0.
Also move the cutoff < 0 logic into macvlan_recompute_bc_filter
so that it doesn't change the mc_filter at all.
Fixes: d45276e75e90 ("macvlan: Skip broadcast queue if multicast with single receiver")
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next
Johannes Berg says:
====================
Major stack changes:
* TC offload support for drivers below mac80211
* reduced neighbor report (RNR) handling for AP mode
* mac80211 mesh fast-xmit and fast-rx support
* support for another mesh A-MSDU format
(seems nobody got the spec right)
Major driver changes:
Kalle moved the drivers that were just plain C files
in drivers/net/wireless/ to legacy/ and virtual/ dirs.
hwsim
* multi-BSSID support
* some FTM support
ath11k
* MU-MIMO parameters support
* ack signal support for management packets
rtl8xxxu
* support for RTL8710BU aka RTL8188GU chips
rtw89
* support for various newer firmware APIs
ath10k
* enabled threaded NAPI on WCN3990
iwlwifi
* lots of work for multi-link/EHT (wifi7)
* hardware timestamping support for some devices/firwmares
* TX beacon protection on newer hardware
* tag 'wireless-next-2023-03-30' of git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next: (181 commits)
wifi: clean up erroneously introduced file
wifi: iwlwifi: mvm: correctly use link in iwl_mvm_sta_del()
wifi: iwlwifi: separate AP link management queues
wifi: iwlwifi: mvm: free probe_resp_data later
wifi: iwlwifi: bump FW API to 75 for AX devices
wifi: iwlwifi: mvm: move max_agg_bufsize into host TLC lq_sta
wifi: iwlwifi: mvm: send full STA during HW restart
wifi: iwlwifi: mvm: rework active links counting
wifi: iwlwifi: mvm: update mac config when assigning chanctx
wifi: iwlwifi: mvm: use the correct link queue
wifi: iwlwifi: mvm: clean up mac_id vs. link_id in MLD sta
wifi: iwlwifi: mvm: fix station link data leak
wifi: iwlwifi: mvm: initialize max_rc_amsdu_len per-link
wifi: iwlwifi: mvm: use appropriate link for rate selection
wifi: iwlwifi: mvm: use the new lockdep-checking macros
wifi: iwlwifi: mvm: remove chanctx WARN_ON
wifi: iwlwifi: mvm: avoid sending MAC context for idle
wifi: iwlwifi: mvm: remove only link-specific AP keys
wifi: iwlwifi: mvm: skip inactive links
wifi: iwlwifi: mvm: adjust iwl_mvm_scan_respect_p2p_go_iter() for MLO
...
====================
Link: https://lore.kernel.org/r/20230330205612.921134-1-johannes@sipsolutions.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Stanislav Fomichev says:
====================
tools: ynl: fill in some gaps of ethtool spec
I was trying to fill in the spec while exploring ethtool API for some
related work. I don't think I'll have the patience to fill in the rest,
so decided to share whatever I currently have.
Patches 1-2 add the be16 + spec.
Patches 3-4 implement an ethtool-like python tool to test the spec.
Patches 3-4 are there because it felt more fun do the tool instead
of writing the actual tests; feel free to drop it; sharing mostly
to show that the spec is not a complete nonsense.
The spec is not 100% complete, see patch 2 for what's missing.
I was hoping to finish the stats-get message, but I'm too dump
to implement bitmask marshaling (multi-attr).
====================
Link: https://lore.kernel.org/r/20230329221655.708489-1-sdf@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This is what I've been using to see whether the spec makes sense.
A small subset of getters (mostly the unprivileged ones) is implemented.
Some setters (channels) also work.
Setters for messages with bitmasks are not implemented.
Initially I was trying to make this tool look 1:1 like real ethtool,
but eventually gave up :-)
Sample output:
$ ./tools/net/ynl/ethtool enp0s31f6
Settings for enp0s31f6:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half
100baseT/Full 1000baseT/Full
Supported pause frame use: no
Supports auto-negotiation: yes
Supported FEC modes: Not reported
Speed: Unknown!
Duplex: Unknown! (255)
Auto-negotiation: on
Port: Twisted Pair
PHYAD: 2
Transceiver: Internal
MDI-X: Unknown (auto)
Current message level: drv probe link
Link detected: no
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Instead of dumping the error on the stdout, make the callee and
opportunity to decide what to do with it. This is mostly for the
ethtool testing.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Things that are not implemented:
- cable tests
- bitmaks in the requests don't work (needs multi-attr support in ynl.py)
- stats-get seems to return nonsense (not passing a bitmask properly?)
- notifications are not tested
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Used by ethtool spec.
Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Update type of prof and prof_mask fields in nix_as_enq_req
from u64 to struct nix_bandprof_s, which is 128 bits wide.
This is to address warnings with compiling with gcc-12 W=1
regarding string fortification.
Although the union of which these fields are a member is 128bits
wide, and thus writing a 128bit entity is safe, the compiler flags
a problem as the field being written is only 64 bits wide.
CC [M] drivers/net/ethernet/marvell/octeontx2/nic/otx2_common.o
scripts/Makefile.build:252: ./drivers/net/ethernet/marvell/octeontx2/nic/Makefile: otx2_dcbnl.o is added to multiple modules: rvu_nicpf rvu_nicvf
CC [M] drivers/net/ethernet/marvell/octeontx2/nic/otx2_dcbnl.o
CC [M] drivers/net/ethernet/marvell/octeontx2/nic/qos_sq.o
CC [M] drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.o
CC [M] drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.o
In file included from ./include/linux/string.h:254,
from ./include/linux/bitmap.h:11,
from ./include/linux/cpumask.h:12,
from ./arch/x86/include/asm/paravirt.h:17,
from ./arch/x86/include/asm/cpuid.h:62,
from ./arch/x86/include/asm/processor.h:19,
from ./arch/x86/include/asm/timex.h:5,
from ./include/linux/timex.h:67,
from ./include/linux/time32.h:13,
from ./include/linux/time.h:60,
from ./include/linux/stat.h:19,
from ./include/linux/module.h:13,
from drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:8:
In function 'fortify_memcpy_chk',
inlined from 'rvu_nix_blk_aq_enq_inst' at drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:969:4:
./include/linux/fortify-string.h:529:25: error: call to '__read_overflow2_field' declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror=attribute-warning]
529 | __read_overflow2_field(q_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In function 'fortify_memcpy_chk',
inlined from 'rvu_nix_blk_aq_enq_inst' at drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c:984:4:
./include/linux/fortify-string.h:529:25: error: call to '__read_overflow2_field' declared with attribute warning: detected read beyond size of field (2nd parameter); maybe use struct_group()? [-Werror=attribute-warning]
529 | __read_overflow2_field(q_size_field, size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: all warnings being treated as errors
Compile tested only!
Signed-off-by: Simon Horman <horms@kernel.org>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Link: https://lore.kernel.org/r/20230329112356.458072-1-horms@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Davide Caratti says:
====================
net/sched: act_tunnel_key: add support for TUNNEL_DONT_FRAGMENT
- patch 1 extends TC tunnel_key action to add support for TUNNEL_DONT_FRAGMENT
- patch 2 extends tdc to skip tests when iproute2 support is missing
- patch 3 adds a tdc test case to verify functionality of the control plane
- patch 4 adds a net/forwarding test case to verify functionality of the data plane
====================
Link: https://lore.kernel.org/r/cover.1680082990.git.dcaratti@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Add a selftest that configures metadata tunnel encapsulation using the TC
"tunnel_key" action: it includes a test case for setting "nofrag" flag.
Example output:
# selftests: net/forwarding: tc_tunnel_key.sh
# TEST: tunnel_key nofrag (skip_hw) [ OK ]
# INFO: Could not test offloaded functionality
ok 1 selftests: net/forwarding: tc_tunnel_key.sh
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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# ./tdc.py -e 6bda -l
6bda: (actions, tunnel_key) Add tunnel_key action with nofrag option
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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currently, users can skip individual test cases by means of writing
"skip": "yes"
in the scenario file. Extend this functionality, introducing 'dependsOn':
it's optional property like "skip", but the value contains a command (for
example, a probe on iproute2 to check if it supports a specific feature).
If such property is present, tdc executes that command and skips the test
when the return value is non-zero.
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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extend "act_tunnel_key" to allow specifying TUNNEL_DONT_FRAGMENT.
Suggested-by: Ilya Maximets <i.maximets@ovn.org>
Reviewed-by: Pedro Tammela <pctammela@mojatatu.com>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Davide Caratti <dcaratti@redhat.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This selftest was introduced recently in the commit cited below. It misses
several check_err() invocations to actually verify that the previous
command succeeded. When these are added, the first one fails, because
besides the addresses added by hand, there can be a link-local address
added by the kernel. Adjust the check to expect at least three addresses
instead of exactly three, and add the missing check_err's.
Furthermore, the explanatory comments assume that the address with no
protocol is $addr2, when in fact it is $addr3. Update the comments.
Fixes: 6a414fd77f61 ("selftests: rtnetlink: Add an address proto test")
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/53a579bc883e1bf2fe490d58427cf22c2d1aa21f.1680102695.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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After commit 3948b05950fd ("net: introduce a config option to tweak
MAX_SKB_FRAGS"), clang warns:
drivers/net/ethernet/ti/netcp_core.c:2085:4: warning: format specifies type 'long' but the argument has type 'int' [-Wformat]
MAX_SKB_FRAGS);
^~~~~~~~~~~~~
include/linux/dev_printk.h:144:65: note: expanded from macro 'dev_err'
dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
~~~ ^~~~~~~~~~~
include/linux/dev_printk.h:110:23: note: expanded from macro 'dev_printk_index_wrap'
_p_func(dev, fmt, ##__VA_ARGS__); \
~~~ ^~~~~~~~~~~
include/linux/skbuff.h:352:23: note: expanded from macro 'MAX_SKB_FRAGS'
#define MAX_SKB_FRAGS CONFIG_MAX_SKB_FRAGS
^~~~~~~~~~~~~~~~~~~~
./include/generated/autoconf.h:11789:30: note: expanded from macro 'CONFIG_MAX_SKB_FRAGS'
#define CONFIG_MAX_SKB_FRAGS 17
^~
1 warning generated.
Follow the pattern of the rest of the tree by changing the specifier to
'%u' and casting MAX_SKB_FRAGS explicitly to 'unsigned int', which
eliminates the warning.
Fixes: 3948b05950fd ("net: introduce a config option to tweak MAX_SKB_FRAGS")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Link: https://lore.kernel.org/r/20230329-net-ethernet-ti-wformat-v1-1-83d0f799b553@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We have the following code paths:
Host FDB (unicast RX filtering):
dsa_port_standalone_host_fdb_add() dsa_port_bridge_host_fdb_add()
| |
+--------------+ +------------+
| |
v v
dsa_port_host_fdb_add()
dsa_port_standalone_host_fdb_del() dsa_port_bridge_host_fdb_del()
| |
+--------------+ +------------+
| |
v v
dsa_port_host_fdb_del()
Host MDB (multicast RX filtering):
dsa_port_standalone_host_mdb_add() dsa_port_bridge_host_mdb_add()
| |
+--------------+ +------------+
| |
v v
dsa_port_host_mdb_add()
dsa_port_standalone_host_mdb_del() dsa_port_bridge_host_mdb_del()
| |
+--------------+ +------------+
| |
v v
dsa_port_host_mdb_del()
The logic added by commit 5e8a1e03aa4d ("net: dsa: install secondary
unicast and multicast addresses as host FDB/MDB") zeroes out
db.bridge.num if the switch doesn't support ds->fdb_isolation
(the majority doesn't). This is done for a reason explained in commit
c26933639b54 ("net: dsa: request drivers to perform FDB isolation").
Taking a single code path as example - dsa_port_host_fdb_add() - the
others are similar - the problem is that this function handles:
- DSA_DB_PORT databases, when called from
dsa_port_standalone_host_fdb_add()
- DSA_DB_BRIDGE databases, when called from
dsa_port_bridge_host_fdb_add()
So, if dsa_port_host_fdb_add() were to make any change on the
"bridge.num" attribute of the database, this would only be correct for a
DSA_DB_BRIDGE, and a type confusion for a DSA_DB_PORT bridge.
However, this bug is without consequences, for 2 reasons:
- dsa_port_standalone_host_fdb_add() is only called from code which is
(in)directly guarded by dsa_switch_supports_uc_filtering(ds), and that
function only returns true if ds->fdb_isolation is set. So, the code
only executed for DSA_DB_BRIDGE databases.
- Even if the code was not dead for DSA_DB_PORT, we have the following
memory layout:
struct dsa_bridge {
struct net_device *dev;
unsigned int num;
bool tx_fwd_offload;
refcount_t refcount;
};
struct dsa_db {
enum dsa_db_type type;
union {
const struct dsa_port *dp; // DSA_DB_PORT
struct dsa_lag lag;
struct dsa_bridge bridge; // DSA_DB_BRIDGE
};
};
So, the zeroization of dsa_db :: bridge :: num on a dsa_db structure of
type DSA_DB_PORT would access memory which is unused, because we only
use dsa_db :: dp for DSA_DB_PORT, and this is mapped at the same address
with dsa_db :: dev for DSA_DB_BRIDGE, thanks to the union definition.
It is correct to fix up dsa_db :: bridge :: num only from code paths
that come from the bridge / switchdev, so move these there.
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20230329133819.697642-1-vladimir.oltean@nxp.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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clang with W=1 reports
drivers/net/ethernet/micrel/ksz884x.c:3216:6: error: variable
'change' set but not used [-Werror,-Wunused-but-set-variable]
int change = 0;
^
This variable is not used so remove it.
Signed-off-by: Tom Rix <trix@redhat.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20230329125929.1808420-1-trix@redhat.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Conflicts:
drivers/net/ethernet/mediatek/mtk_ppe.c
3fbe4d8c0e53 ("net: ethernet: mtk_eth_soc: ppe: add support for flow accounting")
924531326e2d ("net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from CAN and WPAN.
Still quite a few bugs from this release. This pull is a bit smaller
because major subtrees went into the previous one. Or maybe people
took spring break off?
Current release - regressions:
- phy: micrel: correct KSZ9131RNX EEE capabilities and advertisement
Current release - new code bugs:
- eth: wangxun: fix vector length of interrupt cause
- vsock/loopback: consistently protect the packet queue with
sk_buff_head.lock
- virtio/vsock: fix header length on skb merging
- wpan: ca8210: fix unsigned mac_len comparison with zero
Previous releases - regressions:
- eth: stmmac: don't reject VLANs when IFF_PROMISC is set
- eth: smsc911x: avoid PHY being resumed when interface is not up
- eth: mtk_eth_soc: fix tx throughput regression with direct 1G links
- eth: bnx2x: use the right build_skb() helper after core rework
- wwan: iosm: fix 7560 modem crash on use on unsupported channel
Previous releases - always broken:
- eth: sfc: don't overwrite offload features at NIC reset
- eth: r8169: fix RTL8168H and RTL8107E rx crc error
- can: j1939: prevent deadlock by moving j1939_sk_errqueue()
- virt: vmxnet3: use GRO callback when UPT is enabled
- virt: xen: don't do grant copy across page boundary
- phy: dp83869: fix default value for tx-/rx-internal-delay
- dsa: ksz8: fix multiple issues with ksz8_fdb_dump
- eth: mvpp2: fix classification/RSS of VLAN and fragmented packets
- eth: mtk_eth_soc: fix flow block refcounting logic
Misc:
- constify fwnode pointers in SFP handling"
* tag 'net-6.3-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (55 commits)
net: ethernet: mtk_eth_soc: add missing ppe cache flush when deleting a flow
net: ethernet: mtk_eth_soc: fix L2 offloading with DSA untag offload
net: ethernet: mtk_eth_soc: fix flow block refcounting logic
net: mvneta: fix potential double-frees in mvneta_txq_sw_deinit()
net: dsa: sync unicast and multicast addresses for VLAN filters too
net: dsa: mv88e6xxx: Enable IGMP snooping on user ports only
xen/netback: use same error messages for same errors
test/vsock: new skbuff appending test
virtio/vsock: WARN_ONCE() for invalid state of socket
virtio/vsock: fix header length on skb merging
bnxt_en: Add missing 200G link speed reporting
bnxt_en: Fix typo in PCI id to device description string mapping
bnxt_en: Fix reporting of test result in ethtool selftest
i40e: fix registers dump after run ethtool adapter self test
bnx2x: use the right build_skb() helper
net: ipa: compute DMA pool size properly
net: wwan: iosm: fixes 7560 modem crash
net: ethernet: mtk_eth_soc: fix tx throughput regression with direct 1G links
ice: fix invalid check for empty list in ice_sched_assoc_vsi_to_agg()
ice: add profile conflict check for AVF FDIR
...
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Fix two DM core bugs in the code that handles splitting "abnormal" IO
(discards, write same and secure erase) and issuing that IO to the
correct underlying devices (and offsets within those devices).
* tag 'for-6.3/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm: fix __send_duplicate_bios() to always allow for splitting IO
dm: fix improper splitting for abnormal bios
|
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Evidently Gregory sent this file but I (apparently every else) missed
it entirely, remove that.
Fixes: cf85123a210f ("wifi: iwlwifi: mvm: support enabling and disabling HW timestamping")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
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Pull drm fixes from Daniel Vetter:
"Two regression fixes in here, otherwise just the usual stuff:
- i915 fixes for color mgmt, psr, lmem flush, hibernate oops, and
more
- amdgpu: dp mst and hibernate regression fix
- etnaviv: revert fdinfo support (incl drm/sched revert), leak fix
- misc ivpu fixes, nouveau backlight, drm buddy allocator 32bit
fixes"
* tag 'drm-fixes-2023-03-30' of git://anongit.freedesktop.org/drm/drm: (27 commits)
Revert "drm/scheduler: track GPU active time per entity"
Revert "drm/etnaviv: export client GPU usage statistics via fdinfo"
drm/etnaviv: fix reference leak when mmaping imported buffer
drm/amdgpu: allow more APUs to do mode2 reset when go to S4
drm/amd/display: Take FEC Overhead into Timeslot Calculation
drm/amd/display: Add DSC Support for Synaptics Cascaded MST Hub
drm: test: Fix 32-bit issue in drm_buddy_test
drm: buddy_allocator: Fix buddy allocator init on 32-bit systems
drm/nouveau/kms: Fix backlight registration
drm/i915/perf: Drop wakeref on GuC RC error
drm/i915/dpt: Treat the DPT BO as a framebuffer
drm/i915/gem: Flush lmem contents after construction
drm/i915/tc: Fix the ICL PHY ownership check in TC-cold state
drm/i915: Disable DC states for all commits
drm/i915: Workaround ICL CSC_MODE sticky arming
drm/i915: Add a .color_post_update() hook
drm/i915: Move CSC load back into .color_commit_arm() when PSR is enabled on skl/glk
drm/i915: Split icl_color_commit_noarm() from skl_color_commit_noarm()
drm/i915/pmu: Use functions common with sysfs to read actual freq
accel/ivpu: Fix IPC buffer header status field value
...
|
