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1) The test_lru_map and test_lru_dist fails building on my machine since
the sys/resource.h header is not included.
2) test_verifier fails in one test case where we try to call an invalid
function, since the verifier log output changed wrt printing function
names.
3) Current selftest suite code relies on sysconf(_SC_NPROCESSORS_CONF) for
retrieving the number of possible CPUs. This is broken at least in our
scenario and really just doesn't work.
glibc tries a number of things for retrieving _SC_NPROCESSORS_CONF.
First it tries equivalent of /sys/devices/system/cpu/cpu[0-9]* | wc -l,
if that fails, depending on the config, it either tries to count CPUs
in /proc/cpuinfo, or returns the _SC_NPROCESSORS_ONLN value instead.
If /proc/cpuinfo has some issue, it returns just 1 worst case. This
oddity is nothing new [1], but semantics/behaviour seems to be settled.
_SC_NPROCESSORS_ONLN will parse /sys/devices/system/cpu/online, if
that fails it looks into /proc/stat for cpuX entries, and if also that
fails for some reason, /proc/cpuinfo is consulted (and returning 1 if
unlikely all breaks down).
While that might match num_possible_cpus() from the kernel in some
cases, it's really not guaranteed with CPU hotplugging, and can result
in a buffer overflow since the array in user space could have too few
number of slots, and on perpcu map lookup, the kernel will write beyond
that memory of the value buffer.
William Tu reported such mismatches:
[...] The fact that sysconf(_SC_NPROCESSORS_CONF) != num_possible_cpu()
happens when CPU hotadd is enabled. For example, in Fusion when
setting vcpu.hotadd = "TRUE" or in KVM, setting ./qemu-system-x86_64
-smp 2, maxcpus=4 ... the num_possible_cpu() will be 4 and sysconf()
will be 2 [2]. [...]
Documentation/cputopology.txt says /sys/devices/system/cpu/possible
outputs cpu_possible_mask. That is the same as in num_possible_cpus(),
so first step would be to fix the _SC_NPROCESSORS_CONF calls with our
own implementation. Later, we could add support to bpf(2) for passing
a mask via CPU_SET(3), for example, to just select a subset of CPUs.
BPF samples code needs this fix as well (at least so that people stop
copying this). Thus, define bpf_num_possible_cpus() once in selftests
and import it from there for the sample code to avoid duplicating it.
The remaining sysconf(_SC_NPROCESSORS_CONF) in samples are unrelated.
After all three issues are fixed, the test suite runs fine again:
# make run_tests | grep self
selftests: test_verifier [PASS]
selftests: test_maps [PASS]
selftests: test_lru_map [PASS]
selftests: test_kmod.sh [PASS]
[1] https://www.sourceware.org/ml/libc-alpha/2011-06/msg00079.html
[2] https://www.mail-archive.com/netdev@vger.kernel.org/msg121183.html
Fixes: 3059303f59cf ("samples/bpf: update tracex[23] examples to use per-cpu maps")
Fixes: 86af8b4191d2 ("Add sample for adding simple drop program to link")
Fixes: df570f577231 ("samples/bpf: unit test for BPF_MAP_TYPE_PERCPU_ARRAY")
Fixes: e15596717948 ("samples/bpf: unit test for BPF_MAP_TYPE_PERCPU_HASH")
Fixes: ebb676daa1a3 ("bpf: Print function name in addition to function id")
Fixes: 5db58faf989f ("bpf: Add tests for the LRU bpf_htab")
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Cc: William Tu <u9012063@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since we recently converted the BPF filesystem over to use mount_nodev(),
we now have the possibility to also hold mount options in sb's s_fs_info.
This work implements mount options support for specifying permissions on
the sb's inode, which will be used by tc when it manually needs to mount
the fs.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow for checking the owner_prog_type of a program array map. In some
cases bpf(2) can return -EINVAL /after/ the verifier passed and did all
the rewrites of the bpf program.
The reason that lets us fail at this late stage is that program array
maps are incompatible. Allow users to inspect this earlier after they
got the map fd through BPF_OBJ_GET command. tc will get support for this.
Also, display how much we charged the map with regards to RLIMIT_MEMLOCK.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit dcf800344a91 ("net/sched: act_mirred: Refactor detection whether
dev needs xmit at mac header") added dev_is_mac_header_xmit(); since it's
also useful elsewhere, move it to if_arp.h and reuse it for BPF.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After setup we don't need to keep user space fd number around anymore, as
it also has no useful meaning for anyone, just remove it.
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since long already bpf_func is not only about struct sk_buff * as
input anymore. Make it generic as void *, so that callers don't
need to cast for it each time they call BPF_PROG_RUN().
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We don't use ->heap_buf after commit 46d1efd852cc ("sfc: remove Software
TSO") so let's remove the last traces.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Kalle Valo says:
====================
wireless-drivers-next patches for 4.10
Major changes:
iwlwifi
* finalize and enable dynamic queue allocation
* use dev_coredumpmsg() to prevent locking the driver
* small fix to pass the AID to the FW
* use FW PS decisions with multi-queue
ath9k
* add device tree bindings
* switch to use mac80211 intermediate software queues to reduce
latency and fix bufferbloat
wl18xx
* allow scanning in AP mode
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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sparse warns about context imbalance in any code
that uses HARD_TX_LOCK/UNLOCK - this is because it's
unable to determine that flags don't change so
lock and unlock are paired.
Seems easy enough to fix by adding __acquire/__release
calls.
With this patch af_packet.c is now sparse-clean,
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch depends on commit d8d263541913 ("ptp: Introduce a high
resolution frequency adjustment method.")
The gianfar devices offer a frequency resolution of about 0.46 ppb
(depends on actual value of tmr_add, for the calculation assumed
0x80000000). This patch lets users of the device benefit from the increased
frequency resolution when tuning the clock. Thanks to the rounding the
maximum error between the requested frequency and the applied frequency
will then be about 0.23 ppb.
Tested on a v3.3.8 kernel on a real gianfar device. Verified compilation
on net-next (currently at v4.9-rc5).
Signed-off-by: Ulrik De Bie <ulrik.debie-os@e2big.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Per RX ring packets/bytes counters are not protected by global
priv->stats_lock.
Better not confuse the reader, and use READ_ONCE() to show we read
these counters without surrounding synchronization.
Interrupt moderation is best effort, and we do not really care of
ultra precise counters.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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udplite conflict is resolved by taking what 'net-next' did
which removed the backlog receive method assignment, since
it is no longer necessary.
Two entries were added to the non-priv ethtool operations
switch statement, one in 'net' and one in 'net-next, so
simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull vfs splice fix from Al Viro.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
fix default_file_splice_read()
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Botched calculation of number of pages. As the result,
we were dropping pieces when doing splice to pipe from
e.g. 9p.
Reported-by: Alexei Starovoitov <ast@kernel.org>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Pull i2c fixes from Wolfram Sang:
"Here is a revert and two bugfixes for the I2C designware driver.
Please note that we are still hunting down a regression for the
i2c-octeon driver. While there is a fix pending, we have unclear
feedback from the testers currently. An rc8 would be quite helpful
for this case"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Revert "i2c: designware: do not disable adapter after transfer"
i2c: designware: fix rx fifo depth tracking
i2c: designware: report short transfers
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Pull ARM fix from Russell King:
"This resolves the ksyms issues by reverting the commit which
introduced the breakage"
There was what I consider to be a better fix, but it's late in the rc
game, so I'll take the revert.
* 'fixes' of git://git.armlinux.org.uk/~rmk/linux-arm:
Revert "arm: move exports to definitions"
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Pull networking fixes from David Miller:
1) Fix leak in fsl/fman driver, from Dan Carpenter.
2) Call flow dissector initcall earlier than any networking driver can
register and start to use it, from Eric Dumazet.
3) Some dup header fixes from Geliang Tang.
4) TIPC link monitoring compat fix from Jon Paul Maloy.
5) Link changes require EEE re-negotiation in bcm_sf2 driver, from
Florian Fainelli.
6) Fix bogus handle ID passed into tfilter_notify_chain(), from Roman
Mashak.
7) Fix dump size calculation in rtnl_calcit(), from Zhang Shengju.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (26 commits)
tipc: resolve connection flow control compatibility problem
mvpp2: use correct size for memset
net/mlx5: drop duplicate header delay.h
net: ieee802154: drop duplicate header delay.h
ibmvnic: drop duplicate header seq_file.h
fsl/fman: fix a leak in tgec_free()
net: ethtool: don't require CAP_NET_ADMIN for ETHTOOL_GLINKSETTINGS
tipc: improve sanity check for received domain records
tipc: fix compatibility bug in link monitoring
net: ethernet: mvneta: Remove IFF_UNICAST_FLT which is not implemented
dwc_eth_qos: drop duplicate headers
net sched filters: fix filter handle ID in tfilter_notify_chain()
net: dsa: bcm_sf2: Ensure we re-negotiate EEE during after link change
bnxt: do not busy-poll when link is down
udplite: call proper backlog handlers
ipv6: bump genid when the IFA_F_TENTATIVE flag is clear
net/mlx4_en: Free netdev resources under state lock
net: revert "net: l2tp: Treat NET_XMIT_CN as success in l2tp_eth_dev_xmit"
rtnetlink: fix the wrong minimal dump size getting from rtnl_calcit()
bnxt_en: Fix a VXLAN vs GENEVE issue
...
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Pull libnvdimm fixes from Dan Williams:
- Fix a crash that occurs at driver initialization if the memory region
is already busy (request_mem_region() fails).
- Fix a vma validation check that mistakenly allows a private device-
dax mapping to be established. Device-dax explicitly forbids private
mappings so it can guarantee a given fault granularity and backing
memory type.
Both of these fixes have soaked in -next and are tagged for -stable.
* 'libnvdimm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm:
device-dax: fail all private mapping attempts
device-dax: check devm_nsio_enable() return value
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Pull KVM fixes from Radim Krčmář:
"Four fixes for bugs found by syzkaller on x86, all for stable"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: x86: check for pic and ioapic presence before use
KVM: x86: fix out-of-bounds accesses of rtc_eoi map
KVM: x86: drop error recovery in em_jmp_far and em_ret_far
KVM: x86: fix out-of-bounds access in lapic
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Pull powerpc fixes from Michael Ellerman:
"Fixes marked for stable:
- Set missing wakeup bit in LPCR on POWER9
- Fix the early OPAL console wrappers
- Fixup kernel read only mapping
Fixes for code merged this cycle:
- Fix missing CRCs, add more asm-prototypes.h declarations"
* tag 'powerpc-4.9-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/mm: Fixup kernel read only mapping
powerpc/boot: Fix the early OPAL console wrappers
powerpc: Fix missing CRCs, add more asm-prototypes.h declarations
powerpc: Set missing wakeup bit in LPCR on POWER9
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In commit 10724cc7bb78 ("tipc: redesign connection-level flow control")
we replaced the previous message based flow control with one based on
1k blocks. In order to ensure backwards compatibility the mechanism
falls back to using message as base unit when it senses that the peer
doesn't support the new algorithm. The default flow control window,
i.e., how many units can be sent before the sender blocks and waits
for an acknowledge (aka advertisement) is 512. This was tested against
the previous version, which uses an acknowledge frequency of on ack per
256 received message, and found to work fine.
However, we missed the fact that versions older than Linux 3.15 use an
acknowledge frequency of 512, which is exactly the limit where a 4.6+
sender will stop and wait for acknowledge. This would also work fine if
it weren't for the fact that if the first sent message on a 4.6+ server
side is an empty SYNACK, this one is also is counted as a sent message,
while it is not counted as a received message on a legacy 3.15-receiver.
This leads to the sender always being one step ahead of the receiver, a
scenario causing the sender to block after 512 sent messages, while the
receiver only has registered 511 read messages. Hence, the legacy
receiver is not trigged to send an acknowledge, with a permanently
blocked sender as result.
We solve this deadlock by simply allowing the sender to send one more
message before it blocks, i.e., by a making minimal change to the
condition used for determining connection congestion.
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jiri Pirko says:
====================
mlxsw: traps, trap groups and policers
Nogah says:
For a packet to be sent from the HW to the cpu, it needs to be trapped.
For a trap to be activate it should be assigned to a trap group.
Those trap groups can have policers, to limit the packet rate (the max
number of packets that can be sent to the cpu in a time slot, the rest
will be discarded) or the data rate (the same, but the count is not by the
number of packets but by their total length in bytes).
This patchset rearrange the trap setting API, re-write the traps and the
trap groups list in spectrum and assign them policers.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Configure policers and connect them to trap groups.
While many trap groups share policer's configuration they don't share
the actual policer because each trap group represents a different
flow / protocol and we don't want one of them to be able to exceed its
rate on behalf of another.
For example, if STP and LLDP gets to send 128 packets/sec each, if we
put them in one 256 packets/sec policer, one can send 200 packets while
the other only 50.
Note that IP2ME covers lots of flows, so it's limit is set to match the
cpu ability to handle data.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The QPCR register is used to create and control policers.
A policer can discard or change the color of packets that are
trapped by a specific trap.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new resource to resources query: max cpu policers which tells us how
many policers can be used to limit the data rate to the cpu port.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trap groups can be used to control traps priority, both in terms of
which trap "wins" if a packet matches two traps (priority) and in terms
of packets from which trap group will be scheduled to the cpu first (tc).
They can also be used to set rate limiters (policers) on them (will be
added in the next patches).
Currently, we support two trap groups. In Spectrum we want a better
resolution, so every protocol / flow will have a different trap group,
so we can control its parameters separately. Once the policers will be
implemented, it will also allow us limit the rate of each protocol by
itself.
This patch change the trap group list to include:
* the emad trap group, which is shared for all the devices.
* Switchx2's trap groups, which are a copy of the current trap groups.
* Spectrum's new trap groups, in order to match the above guidelines.
(Switchib is using only the emad trap group, so it require no changes).
This patch also includes new configuration for Spectrum's trap groups,
with primary priority order within them.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a trap for BGP protocol that was previously trapped by the generic trap
for IP2ME. This trap will allow us to have better control (over priority
and rate) of the traffic.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Trap groups have many options which we currently set to default values.
In the next patches we will use many of them with non-default values.
Some of these options have no default value, so this patch sets them as
params for the trap group set function. Others almost always use the same
values, so the set function will use this default values. In the rare cases
when they will need to be with other values, these values can be set
directly (using the macros for fields in registers).
Parameters without default value:
TC - the traffic class for packets that hit this trap group.
(old default is the max tc)
priority - if one packet hits multiple trap groups, the group with the
higher priority will "catch" it. (old default is 0)
policer - limit rate policer (old default is disabled)
Default parameters:
swid - switch id, relevant for the emad trap only, ignored on Spectrum.
(new default is 0)
rdq - CPU receive descriptor queue (new default is identical to trap
group id)
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the max number of trap groups to resource query.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, the emad trap init was done in the core. In the future we will
want to add some changes to the traps groups, according to device type.
This commit create a driver function to create the trap group for the
emad, so later it can be changed by devices. It also changes the emad
registration to use the new generic functions.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently, we set the trap group to pre-determined option, based on whether
it is an rx or event trap.
This commit adds a possibility to chose the trap group, so it can be set
to different values in the following patches.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change trap setting function so instead of determining the trap group by
trap id, it gets it as a parameter (so later we can have different trap
groups for Spectrum and Switchx2).
Add "is_ctrl" parameter to the trap setting function. It control whether
the trapped packets wait in a designated control buffer or in their
default one. This parameter is ignored by Switchx2 and Switchib.
Add these parameters to the traps array in Spectrum, Switchx2 and
Switchib.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the event handling in Switchib to be comptible with Spectrum and
Switchx2.
Use the generic listener struct for the events. Init and fini them by loop
(and not by calling each event by its name).
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the events to use the generic listener struct.
Merge the event list into the trap list, so the same functions will
handle both.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Change the events to use the generic listener struct.
Merge the event list into the trap list, so the same functions will
handle both.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Create a macro for creating the generic listener struct for events,
similar to the one for rx traps.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reorganize the traps to use the new generic listener struct and
functions. Use macros to shorten the traps list.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Replace the old rx listener struct definitions by the generic ones.
Use the new generic registering / unregistering functions for them.
Add some macros to organize the trap list.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In Spectrum, there is a macro to arrange the traps list.
This macro is useful for everyone who is using rx traps.
Create a similar macro in core.h for creating the generic listener struct
for rx traps.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have 2 types of HW traps to handle, rx traps and events.
The registration workflow for both is very similar. So it only make
sense to create one function to handle both.
This patch creates a struct to hold the data for both cases. It also
creates a registration and an un-registration functions that get this
generic struct as input.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 99724c18fc66 ("mlxsw: spectrum: Introduce support for
router interfaces") we no longer rely on flooding traffic to the CPU in
order to trap packets intended for the host itself. Therefore, the FDB
MC trap can be removed.
Remove traps for protocols that are not supported yet.
Signed-off-by: Nogah Frankel <nogahf@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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gcc-7 detects a short memset in mvpp2, introduced in the original
merge of the driver:
drivers/net/ethernet/marvell/mvpp2.c: In function 'mvpp2_cls_init':
drivers/net/ethernet/marvell/mvpp2.c:3296:2: error: 'memset' used with length equal to number of elements without multiplication by element size [-Werror=memset-elt-size]
The result seems to be that we write uninitialized data into the
flow table registers, although we did not get any warning about
that uninitialized data usage.
Using sizeof() lets us initialize then entire array instead.
Fixes: 3f518509dedc ("ethernet: Add new driver for Marvell Armada 375 network unit")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drop duplicate header delay.h from mlx5/core/main.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Matan Barak <matanb@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drop duplicate header delay.h from adf7242.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Acked-by: Stefan Schmidt <stefan@osg.samsung.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Drop duplicate header seq_file.h from ibmvnic.c.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We set "tgec->cfg" to NULL before passing it to kfree(). There is no
need to set it to NULL at all. Let's just delete it.
Fixes: 57ba4c9b56d8 ("fsl/fman: Add FMan MAC support")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We verified that MLX5_FLOW_CONTEXT_ACTION_COUNT was set on the first
line of the function so we don't need to check again here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ETHTOOL_GLINKSETTINGS command is deprecating the ETHTOOL_GSET
command and likewise it shouldn't require the CAP_NET_ADMIN capability.
Signed-off-by: Miroslav Lichvar <mlichvar@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sunil Goutham says:
====================
net: thunderx: Support for 80xx, RED, PFC e.t.c
This patch series adds support for SLM modules present on 80xx
silicon, enables ramdom early discard, backpressure generation,
PFC and some ethtool changes to display supported link modes e.t.c.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Enable pause frames on both Rx and Tx side, configure pause
interval e.t.c. Also support for enable/disable pause frames
on Rx/Tx via ethtool has been added.
Signed-off-by: Sunil Goutham <sgoutham@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Daniel Borkmann
Dan Carpenter
David S. Miller
Michael S. Tsirkin
Ulrik De Bie
Eric Dumazet
Linus Torvalds
Al Viro
Jon Paul Maloy
Nogah Frankel
Arnd Bergmann
Geliang Tang
Miroslav Lichvar
Sunil Goutham