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Extend tcf_chain with 'flushing' flag. Use the flag to prevent insertion of
new classifier instances when chain flushing is in progress in order to
prevent resource leak when tcf_proto is created by unlocked users
concurrently.
Return EAGAIN error from tcf_chain_tp_insert_unique() to restart
tc_new_tfilter() and lookup the chain/proto again.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement unique insertion function to atomically attach tcf_proto to chain
after verifying that no other tcf proto with specified priority exists.
Implement delete function that verifies that tp is actually empty before
deleting it. Use these functions to refactor cls API to account for
concurrent tp and rule update instead of relying on rtnl lock. Add new
'deleting' flag to tcf proto. Use it to restart search when iterating over
tp's on chain to prevent accessing potentially inval tp->next pointer.
Extend tcf proto with spinlock that is intended to be used to protect its
data from concurrent modification instead of relying on rtnl mutex. Use it
to protect 'deleting' flag. Add lockdep macros to validate that lock is
held when accessing protected fields.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All users of chain->filters_chain rely on rtnl lock and assume that no new
classifier instances are added when traversing the list. Use
tcf_get_next_proto() to traverse filters list without relying on rtnl
mutex. This function iterates over classifiers by taking reference to
current iterator classifier only and doesn't assume external
synchronization of filters list.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to remove dependency on rtnl lock and allow concurrent tcf_proto
modification, extend tcf_proto with reference counter. Implement helper
get/put functions for tcf proto and use them to modify cls API to always
take reference to tcf_proto while using it. Only release reference to
parent chain after releasing last reference to tp.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend tcf_chain with new filter_chain_lock mutex. Always lock the chain
when accessing filter_chain list, instead of relying on rtnl lock.
Dereference filter_chain with tcf_chain_dereference() lockdep macro to
verify that all users of chain_list have the lock taken.
Rearrange tp insert/remove code in tc_new_tfilter/tc_del_tfilter to execute
all necessary code while holding chain lock in order to prevent
invalidation of chain_info structure by potential concurrent change. This
also serializes calls to tcf_chain0_head_change(), which allows head change
callbacks to rely on filter_chain_lock for synchronization instead of rtnl
mutex.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All users of block->chain_list rely on rtnl lock and assume that no new
chains are added when traversing the list. Use tcf_get_next_chain() to
traverse chain list without relying on rtnl mutex. This function iterates
over chains by taking reference to current iterator chain only and doesn't
assume external synchronization of chain list.
Don't take reference to all chains in block when flushing and use
tcf_get_next_chain() to safely iterate over chain list instead. Remove
tcf_block_put_all_chains() that is no longer used.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, tcf_block doesn't use any synchronization mechanisms to protect
critical sections that manage lifetime of its chains. block->chain_list and
multiple variables in tcf_chain that control its lifetime assume external
synchronization provided by global rtnl lock. Converting chain reference
counting to atomic reference counters is not possible because cls API uses
multiple counters and flags to control chain lifetime, so all of them must
be synchronized in chain get/put code.
Use single per-block lock to protect block data and manage lifetime of all
chains on the block. Always take block->lock when accessing chain_list.
Chain get and put modify chain lifetime-management data and parent block's
chain_list, so take the lock in these functions. Verify block->lock state
with assertions in functions that expect to be called with the lock taken
and are called from multiple places. Take block->lock when accessing
filter_chain_list.
In order to allow parallel update of rules on single block, move all calls
to classifiers outside of critical sections protected by new block->lock.
Rearrange chain get and put functions code to only access protected chain
data while holding block lock:
- Rearrange code to only access chain reference counter and chain action
reference counter while holding block lock.
- Extract code that requires block->lock from tcf_chain_destroy() into
standalone tcf_chain_destroy() function that is called by
__tcf_chain_put() in same critical section that changes chain reference
counters.
Signed-off-by: Vlad Buslov <vladbu@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 1588 timer on eTSEC Ethernet controller uses different
register memory map with DPAA Ethernet controller.
Now the new ENETC Ethernet controller uses same reigster
memory map with DPAA. To support ENETC, let's use register
memory map of DPAA/ENETC in default.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is QorIQ 1588 timer IP block on the new ENETC Ethernet
controller. However it uses little endian mode which is different
with before. This patch is to add little endian support for the
driver by using "little-endian" dts node property.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Moved QorIQ PTP clock initialization/free into new functions
ptp_qoriq_init()/ptp_qoriq_free(). These functions could also
be reused by ENETC PTP drvier which is a PCI driver for same
1588 timer IP block.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch is to make functions of ptp operations global,
so that ENETC PTP driver which is a PCI driver for same
1588 timer IP block could reuse them.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Strings containing "ptp_qoriq" or "qoriq_ptp" which were used for
structure/function names were complained by users. Let's just use
the unique "ptp_qoriq" to make these names more consistent.
This patch is just to unify the names using "ptp_qoriq". It hasn't
changed any functions.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There are several skb_* functions where the locked and unlocked
functions are confusingly documented. For several of them, the
kernel-doc for the unlocked version is placed above the locked version,
which to the casual reader makes it seems like the locked version "takes
no locks and you must therefore hold required locks before calling it."
One can see, for example, that this link claims to document
skb_queue_head(), while instead describing __skb_queue_head().
https://www.kernel.org/doc/html/latest/networking/kapi.html#c.skb_queue_head
The correct documentation for skb_queue_head() is also included further
down the page.
This diff tested via:
$ scripts/kernel-doc -rst include/linux/skbuff.h net/core/skbuff.c
No new warnings were seen, and the output makes a little more sense.
Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Provide phylink_init_eee() to allow MAC drivers to initialise PHY EEE
from within the ethtool set_eee() method.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This reverts commit b639583f9e36d044ac1b13090ae812266992cbac.
As per discussion with Jakub Kicinski and Michal Kubecek,
this will be better addressed by soon-too-come ethtool netlink
API with additional indication that given configuration request
is supposed to be persisted.
Also, remove the parameter support from bnxt_en driver.
Cc: Jiri Pirko <jiri@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Michal Kubecek <mkubecek@suse.cz>
Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implementation of macro "flow_action_for_each" introduced in
commit e3ab786b42535 ("flow_offload: add flow action infrastructure")
and used in commit 738678817573c ("drivers: net: use flow action
infrastructure") iterated the first item twice and did not reach the
last one. Fix it.
Fixes: e3ab786b42535 ("flow_offload: add flow action infrastructure")
Fixes: 738678817573c ("drivers: net: use flow action infrastructure")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At Jiri's suggestion add a generic "board.manufacture"
version identifier.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When modifying registers there are scenarios where we need to know
whether the register content actually changed. This patch adds
new helpers to not break users of the current ones, phy_modify() etc.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modify the kernel users of the TCA_ACT_* macros to use TCA_ID_*. For
example, use TCA_ID_GACT instead of TCA_ACT_GACT. This will align with
TCA_ID_POLICE and also differentiates these identifier, used in struct
tc_action_ops type field, from other macros starting with TCA_ACT_.
To make things clearer, we name the enum defining the TCA_ID_*
identifiers and also change the "type" field of struct tc_action to
id.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Move all the TC identifiers to one place, to the same enum that defines
the identifier of police action. This makes it easier choose numbers for
new actions since they are now defined in one place. We preserve the
original values for binary compatibility. New IDs should be added inside
the enum.
Signed-off-by: Eli Cohen <eli@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for runtime determination of what the PHY supports, by
adding a new function to the phy driver. The get_features call should
set the phydev->supported member with the features the PHY supports.
It is only called if phydrv->features is NULL.
This requires minor changes to pause. The PHY driver should not set
pause abilities, except for when it has odd cause capabilities, e.g.
pause cannot be disabled. With this change, phydev->supported already
contains the drivers abilities, including pause. So rather than
considering phydrv->features, look at the phydev->supported, and
enable pause if neither of the pause bits are already set.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
[hkallweit1@gmail.com: fixed small checkpatch complaint in one comment]
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Bit 0 in register 1.5 doesn't represent a device but is a flag that
Clause 22 registers are present. Therefore disregard this bit when
populating the device list. If code needs this information it
should read register 1.5 directly instead of accessing the device
list.
Because this bit doesn't represent a device don't define a
MDIO_MMD_XYZ constant, just define a MDIO_DEVS_XYZ constant for
the flag in the device list bitmap.
v2:
- make masking of bit 0 more explicit
- improve commit message
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The patch adds driver interface to read the SmartAN capability from
management firmware.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: Michal Kalderon <mkalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As vregion rehash is happening in delayed work, add some visibility to
the process using a few tracepoints.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Count number of roots and add it to stats. It is handy for the library
user to have this stats available as it can act upon it without
counting roots itself.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Implement simple greedy algo to find more optimized root-delta tree for
a given objagg instance. This "hints" can be used by a driver to:
1) check if the hints are better (driver's choice) than the original
objagg tree. Driver does comparison of objagg stats and hints stats.
2) use the hints to create a new objagg instance which will construct
the root-delta tree according to the passed hints. Currently, only a
simple greedy algorithm is implemented. Basically it finds the roots
according to the maximal possible user count including deltas.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, user can do dump or get of param values right after the
devlink params are registered. However the driver may not be initialized
which is an issue. The same problem happens during notification
upon param registration. Allow driver to publish devlink params
whenever it is ready to handle get() ops. Note that this cannot
be resolved by init reordering, as the "driverinit" params have
to be available before the driver is initialized (it needs the param
values there).
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Cc: Michael Chan <michael.chan@broadcom.com>
Cc: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An ipvlan bug fix in 'net' conflicted with the abstraction away
of the IPV6 specific support in 'net-next'.
Similarly, a bug fix for mlx5 in 'net' conflicted with the flow
action conversion in 'net-next'.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"This pull request is dedicated to the upcoming snowpocalypse parts 2
and 3 in the Pacific Northwest:
1) Drop profiles are broken because some drivers use dev_kfree_skb*
instead of dev_consume_skb*, from Yang Wei.
2) Fix IWLWIFI kconfig deps, from Luca Coelho.
3) Fix percpu maps updating in bpftool, from Paolo Abeni.
4) Missing station release in batman-adv, from Felix Fietkau.
5) Fix some networking compat ioctl bugs, from Johannes Berg.
6) ucc_geth must reset the BQL queue state when stopping the device,
from Mathias Thore.
7) Several XDP bug fixes in virtio_net from Toshiaki Makita.
8) TSO packets must be sent always on queue 0 in stmmac, from Jose
Abreu.
9) Fix socket refcounting bug in RDS, from Eric Dumazet.
10) Handle sparse cpu allocations in bpf selftests, from Martynas
Pumputis.
11) Make sure mgmt frames have enough tailroom in mac80211, from Felix
Feitkau.
12) Use safe list walking in sctp_sendmsg() asoc list traversal, from
Greg Kroah-Hartman.
13) Make DCCP's ccid_hc_[rt]x_parse_options always check for NULL
ccid, from Eric Dumazet.
14) Need to reload WoL password into bcmsysport device after deep
sleeps, from Florian Fainelli.
15) Remove filter from mask before freeing in cls_flower, from Petr
Machata.
16) Missing release and use after free in error paths of s390 qeth
code, from Julian Wiedmann.
17) Fix lockdep false positive in dsa code, from Marc Zyngier.
18) Fix counting of ATU violations in mv88e6xxx, from Andrew Lunn.
19) Fix EQ firmware assert in qed driver, from Manish Chopra.
20) Don't default Caivum PTP to Y in kconfig, from Bjorn Helgaas"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (116 commits)
net: dsa: b53: Fix for failure when irq is not defined in dt
sit: check if IPv6 enabled before calling ip6_err_gen_icmpv6_unreach()
geneve: should not call rt6_lookup() when ipv6 was disabled
net: Don't default Cavium PTP driver to 'y'
net: broadcom: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: via-velocity: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: tehuti: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: sun: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: fsl_ucc_hdlc: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: fec_mpc52xx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: smsc: epic100: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: dscc4: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: tulip: de2104x: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net: defxx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles
net/mlx5e: Don't overwrite pedit action when multiple pedit used
net/mlx5e: Update hw flows when encap source mac changed
qed*: Advance drivers version to 8.37.0.20
qed: Change verbosity for coalescing message.
qede: Fix system crash on configuring channels.
qed: Consider TX tcs while deriving the max num_queues for PF.
...
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Let genphy_c45_read_link manage the devices to check, this removes
overhead from callers. Add C22EXT to the list of excluded devices
because it doesn't implement the status register. According to the
802.3 clause 45 spec registers 29.0 - 29.4 are reserved.
At the moment we have very few clause 45 PHY drivers, so we are
lacking experience whether other drivers will have to exclude further
devices, or may need to check PHY XS. If we should figure out that
list of devices to check needs to be configurable, I think best will
be to add a device list member to struct phy_driver.
v2:
- adjusted commit message
- exclude also device C22EXT from link checking
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add fixed_phy_register_with_gpiod() API. It lets users create a
fixed_phy instance that uses a GPIO descriptor which was obtained
externally e.g. through platform data.
This enables platform devices (non-DT based) to use GPIOs for link
status.
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devlink health dump commands, in order to run an dump operation
over a specific reporter.
The supported operations are dump_get in order to get last saved
dump (if not exist, dump now) and dump_clear to clear last saved
dump.
It is expected from driver's callback for diagnose command to fill it
via the devlink fmsg API. Devlink will parse it and convert it to
netlink nla API in order to pass it to the user.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devlink health diagnose command, in order to run a diagnose
operation over a specific reporter.
It is expected from driver's callback for diagnose command to fill it
via the devlink fmsg API. Devlink will parse it and convert it to
netlink nla API in order to pass it to the user.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devlink health recover command to the uapi, in order to allow the user
to execute a recover operation over a specific reporter.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devlink health set command, in order to set configuration parameters
for a specific reporter.
Supported parameters are:
- graceful_period: Time interval between auto recoveries (in msec)
- auto_recover: Determines if the devlink shall execute recover upon
receiving error for the reporter
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add devlink health get command to provide reporter/s data for user space.
Add the ability to get data per reporter or dump data from all available
reporters.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Upon error discover, every driver can report it to the devlink health
mechanism via devlink_health_report function, using the appropriate
reporter registered to it. Driver can pass error specific context which
will be delivered to it as part of the dump / recovery callbacks.
Once an error is reported, devlink health will do the following actions:
* A log is being send to the kernel trace events buffer
* Health status and statistics are being updated for the reporter instance
* Object dump is being taken and stored at the reporter instance (as long
as there is no other dump which is already stored)
* Auto recovery attempt is being done. Depends on:
- Auto Recovery configuration
- Grace period vs. Time since last recover
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Devlink health reporter is an instance for reporting, diagnosing and
recovering from run time errors discovered by the reporters.
Define it's data structure and supported operations.
In addition, expose devlink API to create and destroy a reporter.
Each devlink instance will hold it's own reporters list.
As part of the allocation, driver shall provide a set of callbacks which
will be used by devlink in order to handle health reports and user
commands related to this reporter. In addition, driver is entitled to
provide some priv pointer, which can be fetched from the reporter by
devlink_health_reporter_priv function.
For each reporter, devlink will hold a metadata of statistics,
dump msg and status.
For passing dumps and diagnose data to the user-space, it will use devlink
fmsg API.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Devlink fmsg is a mechanism to pass descriptors between drivers and
devlink, in json-like format. The API allows the driver to add nested
attributes such as object, object pair and value array, in addition to
attributes such as name and value.
Driver can use this API to fill the fmsg context in a format which will be
translated by the devlink to the netlink message later.
There is no memory allocation in advance (other than the initial list
head), and it dynamically allocates messages descriptors and add them to
the list on the fly.
When it needs to send the data using SKBs to the netlink layer, it
fragments the data between different SKBs. In order to do this
fragmentation, it uses virtual nests attributes, to avoid actual
nesting use which cannot be divided between different SKBs.
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull HID fix from Jiri Kosina:
"A fix for a bug in hid-debug that can lock up the kernel in infinite
loop (CVE-2019-3819), from Vladis Dronov"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid:
HID: debug: fix the ring buffer implementation
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Pull sound fixes from Takashi Iwai:
"A collection of a few small fixes.
The most significant one is the fix for the possible race at loading
HD-audio drivers. This has been present for long time and surfaced
only in a rare occasion, but finally spotted out"
* tag 'sound-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda/ca0132 - Fix build error without CONFIG_PCI
ALSA: compress: Fix stop handling on compressed capture streams
ALSA: usb-audio: Add support for new T+A USB DAC
ALSA: hda - Serialize codec registrations
ALSA: hda/realtek - Use a common helper for hp pin reference
ALSA: hda/realtek - Fix lose hp_pins for disable auto mute
ALSA: hda/realtek - Headset microphone support for System76 darp5
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Pull virtio fixes from Michael Tsirkin:
"A small fix for a uapi header, and a fix for VDPA for non-x86 guests"
* tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost:
virtio: drop internal struct from UAPI
virtio: support VIRTIO_F_ORDER_PLATFORM
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Santosh Shilimkar says:
====================
rds: add tos support
RDS applications make use of tos to classify database traffic.
This feature has been used in shipping products from 2.6.32 based
kernels. Its tied with RDS v4.1 protocol version and the compatibility
gets negotiated as part of connections setup.
Patchset keeps full backward compatibility using existing connection
negotiation scheme. Currently the feature is exploited by RDMA
transport and for TCP transport the user tos values are mapped to
same default class (0).
For RDMA transports, RDMA CM service type API is used to
set up different SL(service lanes) and the IB fabric is configured
for tos mapping using Subnet Manager(SL to VL mappings).
Similarly for ROCE fabric, user priority is mapped with different
DSCP code points which are associated with different switch queues
in the fabric.
The original code was developed by Bang Nguyen in downstream kernel back in
2.6.32 kernel days and it has evolved significantly over period of time.
Thanks to Yanjun for doing testing with various combinations of host like
v3.1<->v4.1, v4.1.<->v3.1, v4.1 upstream to shipping v4.1 etc etc
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we have a dedicated NDO for getting a port's parent ID, get rid
of SWITCHDEV_ATTR_ID_PORT_PARENT_ID and convert all callers to use the
NDO exclusively. This is a preliminary change to getting rid of
switchdev_ops eventually.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In preparation for getting rid of switchdev_ops, create a dedicated NDO
operation for getting the port's parent identifier. There are
essentially two classes of drivers that need to implement getting the
port's parent ID which are VF/PF drivers with a built-in switch, and
pure switchdev drivers such as mlxsw, ocelot, dsa etc.
We introduce a helper function: dev_get_port_parent_id() which supports
recursion into the lower devices to obtain the first port's parent ID.
Convert the bridge, core and ipv4 multicast routing code to check for
such ndo_get_port_parent_id() and call the helper function when valid
before falling back to switchdev_port_attr_get(). This will allow us to
convert all relevant drivers in one go instead of having to implement
both switchdev_port_attr_get() and ndo_get_port_parent_id() operations,
then get rid of switchdev_port_attr_get().
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Define a tracepoint and allow user to trace messages in case of an hardware
error code for hardware associated with devlink instance.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a function to translate the ethtool_rx_flow_spec
structure to the flow_rule representation.
This allows us to reuse code from the driver side given that both flower
and ethtool_rx_flow interfaces use the same representation.
This patch also includes support for the flow type flags FLOW_EXT,
FLOW_MAC_EXT and FLOW_RSS.
The ethtool_rx_flow_spec_input wrapper structure is used to convey the
rss_context field, that is away from the ethtool_rx_flow_spec structure,
and the ethtool_rx_flow_spec structure.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These actions need to be added to support the ethtool_rx_flow interface.
The queue action includes a field to specify the RSS context, that is
set via FLOW_RSS flow type flag and the rss_context field in struct
ethtool_rxnfc, plus the corresponding queue index. FLOW_RSS implies that
rss_context is non-zero, therefore, queue.ctx == 0 means that FLOW_RSS
was not set. Also add a field to store the vf index which is stored in
the ethtool_rxnfc ring_cookie field.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that drivers have been converted to use the flow action
infrastructure, remove this field from the tc_cls_flower_offload
structure.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch provides the flow_stats structure that acts as container for
tc_cls_flower_offload, then we can use to restore the statistics on the
existing TC actions. Hence, tcf_exts_stats_update() is not used from
drivers anymore.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vlad Buslov
Yangbo Lu
Brian Norris
Russell King
Vasundhara Volam
Eli Britstein
Jakub Kicinski
Heiner Kallweit
Eli Cohen
Andrew Lunn
Sudarsana Reddy Kalluru
Jiri Pirko
David S. Miller
Linus Torvalds
Moritz Fischer
Eran Ben Elisha
Florian Fainelli
Nir Dotan
Pablo Neira Ayuso