Rename p_eth_proto_adm to p_eth_proto_admin in mlxsw_reg_ptys_eth_unpack
function.
Signed-off-by: Shalom Toledo <shalomt@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>
Add port type-speed operations in order to have different operations for
different ASICs. For now, both ASICs use the same pointer.
Signed-off-by: Shalom Toledo <shalomt@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>
Rename port speed-type functions to be Spectrum-1 ASIC specific.
Signed-off-by: Shalom Toledo <shalomt@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>
Instead of deriving the port connector type from port admin state, query it
from firmware.
Signed-off-by: Shalom Toledo <shalomt@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>
Remove eth_proto_lp_advertise field in PTYS register since it is not
supported by the firmware.
Signed-off-by: Shalom Toledo <shalomt@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>
Remove duplicate port link mode entry from mlxsw_sp_port_link_mode.
Signed-off-by: Shalom Toledo <shalomt@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>
cards_found is a static variable, but when it enters atl2_probe(),
cards_found is set to zero, the value is not consistent with last probe,
so next behavior is not our expect.
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There has check NULL on kmem_cache_create on failure in kcm_init,
no need use SLAB_PANIC to panic the system.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
-Wformat fixes
This is a collection of some -Wformat fixes found during build, nothing
critical, but nice to have for people turning on more warnings with
their builds.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Provide a precision hint to snprintf() in order to eliminate a
-Wformat-truncation warning provided below. A maximum of 11 characters
is allowed to reach a maximum of 32 - 1 characters given a possible
maximum value of queues using up to UINT_MAX which occupies 10
characters. Incidentally 11 is the number of characters for
"xdp_packets" which is the largest string we append.
drivers/net/veth.c: In function 'veth_get_strings':
drivers/net/veth.c:118:47: warning: '%s' directive output may be
truncated writing up to 31 bytes into a region of size between 12 and 21
[-Wformat-truncation=]
snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_%s",
^~
drivers/net/veth.c:118:5: note: 'snprintf' output between 12 and 52
bytes into a destination of size 32
snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_%s",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
i, veth_rq_stats_desc[j].desc);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Provide precision hints to snprintf() since we know the destination
buffer size of the RX/TX ring names are IFNAMSIZ + 5 - 1. This fixes the
following warnings:
drivers/net/ethernet/intel/e1000e/netdev.c: In function
'e1000_request_msix':
drivers/net/ethernet/intel/e1000e/netdev.c:2109:13: warning: 'snprintf'
output may be truncated before the last format character
[-Wformat-truncation=]
"%s-rx-0", netdev->name);
^
drivers/net/ethernet/intel/e1000e/netdev.c:2107:3: note: 'snprintf'
output between 6 and 21 bytes into a destination of size 20
snprintf(adapter->rx_ring->name,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sizeof(adapter->rx_ring->name) - 1,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"%s-rx-0", netdev->name);
~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/intel/e1000e/netdev.c:2125:13: warning: 'snprintf'
output may be truncated before the last format character
[-Wformat-truncation=]
"%s-tx-0", netdev->name);
^
drivers/net/ethernet/intel/e1000e/netdev.c:2123:3: note: 'snprintf'
output between 6 and 21 bytes into a destination of size 20
snprintf(adapter->tx_ring->name,
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sizeof(adapter->tx_ring->name) - 1,
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
"%s-tx-0", netdev->name);
~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We are not specifying an explicit format argument but instead passing a
string litteral which causes these two warnings to show up:
drivers/net/dsa/mv88e6xxx/chip.c: In function
'mv88e6xxx_irq_poll_setup':
drivers/net/dsa/mv88e6xxx/chip.c:483:2: warning: format not a string
literal and no format arguments [-Wformat-security]
chip->kworker = kthread_create_worker(0, dev_name(chip->dev));
^~~~
drivers/net/dsa/mv88e6xxx/ptp.c: In function 'mv88e6xxx_ptp_setup':
drivers/net/dsa/mv88e6xxx/ptp.c:403:4: warning: format not a string
literal and no format arguments [-Wformat-security]
dev_name(chip->dev));
^~~~~~~~
LD [M] drivers/net/dsa/mv88e6xxx/mv88e6xxx.o
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Give precision identifiers to the two snprintf() formatting the priority
and TC strings to avoid producing these two warnings:
drivers/net/ethernet/mellanox/mlxsw/spectrum.c: In function
'mlxsw_sp_port_get_prio_strings':
drivers/net/ethernet/mellanox/mlxsw/spectrum.c:2132:37: warning: '%d'
directive output may be truncated writing between 1 and 3 bytes into a
region of size between 0 and 31 [-Wformat-truncation=]
snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
^~
drivers/net/ethernet/mellanox/mlxsw/spectrum.c:2132:3: note: 'snprintf'
output between 3 and 36 bytes into a destination of size 32
snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mlxsw_sp_port_hw_prio_stats[i].str, prio);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/net/ethernet/mellanox/mlxsw/spectrum.c: In function
'mlxsw_sp_port_get_tc_strings':
drivers/net/ethernet/mellanox/mlxsw/spectrum.c:2143:37: warning: '%d'
directive output may be truncated writing between 1 and 11 bytes into a
region of size between 0 and 31 [-Wformat-truncation=]
snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
^~
drivers/net/ethernet/mellanox/mlxsw/spectrum.c:2143:3: note: 'snprintf'
output between 3 and 44 bytes into a destination of size 32
snprintf(*p, ETH_GSTRING_LEN, "%s_%d",
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
mlxsw_sp_port_hw_tc_stats[i].str, tc);
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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>
I thought header search paths to tools/include(/uapi) were unneeded,
but it looks like a build error occurs depending on the compiler.
Commit 303a339f30 ("bpfilter: remove extra header search paths for
bpfilter_umh") reintroduced the build error fixed by commit ae40832e53
("bpfilter: fix a build err").
Apology for the breakage, and thanks to Guenter for reporting this.
Fixes: 303a339f30 ("bpfilter: remove extra header search paths for bpfilter_umh")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Tested-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some Marvell Alaska PHYs support 2.5G, 5G and 10G BaseT links. Their
default behaviour is to advertise all of these modes, but at the moment,
only 10GBaseT is supported. To prevent link partners from establishing
link at that speed, clear these modes upon configuring aneg parameters.
Fixes: 20b2af32ff ("net: phy: add Marvell Alaska X 88X3310 10Gigabit PHY support")
Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
Reported-by: Russell King <linux@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
One fix for an oops when using SRIOV, introduced by the recent changes to
support compound IOMMU groups.
Thanks to:
Alexey Kardashevskiy.
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Merge tag 'powerpc-5.0-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fix from Michael Ellerman:
"One fix for an oops when using SRIOV, introduced by the recent changes
to support compound IOMMU groups.
Thanks to Alexey Kardashevskiy"
* tag 'powerpc-5.0-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/powernv/sriov: Register IOMMU groups for VFs
Four small fixes: three in drivers and one in the core. The core fix
is also minor in scope since the bug it fixes is only known to affect
systems using SCSI reservations. Of the driver bugs, the libsas one
is the most major because it can lead to multiple disks on the same
expander not being exposed.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four small fixes: three in drivers and one in the core.
The core fix is also minor in scope since the bug it fixes is only
known to affect systems using SCSI reservations. Of the driver bugs,
the libsas one is the most major because it can lead to multiple disks
on the same expander not being exposed"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: core: reset host byte in DID_NEXUS_FAILURE case
scsi: libsas: Fix rphy phy_identifier for PHYs with end devices attached
scsi: sd_zbc: Fix sd_zbc_report_zones() buffer allocation
scsi: libiscsi: Fix race between iscsi_xmit_task and iscsi_complete_task
Daniel Borkmann says:
====================
pull-request: bpf 2019-02-23
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) Fix a bug in BPF's LPM deletion logic to match correct prefix
length, from Alban.
2) Fix AF_XDP teardown by not destroying umem prematurely as it
is still needed till all outstanding skbs are freed, from Björn.
3) Fix unkillable BPF_PROG_TEST_RUN under preempt kernel by checking
signal_pending() outside need_resched() condition which is never
triggered there, from Stanislav.
4) Fix two nfp JIT bugs, one in code emission for K-based xor, and
another one to explicitly clear upper bits in alu32, from Jiong.
5) Add bpf list address to maintainers file, from Daniel.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull keys fixes from James Morris:
"Two fixes from Eric Biggers"
* 'fixes-v5.0-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security:
KEYS: always initialize keyring_index_key::desc_len
KEYS: user: Align the payload buffer
- Use hrtimer_try_to_cancel() instead of hrtimer_cancel() in the
PM-runtime framework to avoid a possible timer-related deadlock
introduced recently (Vincent Guittot).
- Reorder the scmi-cpufreq driver code to avoid accessing memory
that has just been freed (Yangtao Li).
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Merge tag 'pm-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fixes from Rafael Wysocki:
"These fix a regression in the PM-runtime framework introduced by the
recent switch-over of it to using hrtimers and a use-after-free
introduced by one of the recent changes in the scmi-cpufreq driver.
Specifics:
- Use hrtimer_try_to_cancel() instead of hrtimer_cancel() in the
PM-runtime framework to avoid a possible timer-related deadlock
introduced recently (Vincent Guittot).
- Reorder the scmi-cpufreq driver code to avoid accessing memory that
has just been freed (Yangtao Li)"
* tag 'pm-5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM-runtime: Fix deadlock when canceling hrtimer
cpufreq: scmi: Fix use-after-free in scmi_cpufreq_exit()
Only a handful of device tree fixes, all simple enough:
NVIDIA Tegra:
- Fix a regression for booting on chromebooks
TI OMAP:
- Two fixes PHY mode on am335x reference boards
Marvell mvebu:
- A regression fix for Armada XP NAND flash controllers
- An incorrect reset signal on the clearfog board
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Arnd Bergmann:
"Only a handful of device tree fixes, all simple enough:
NVIDIA Tegra:
- Fix a regression for booting on chromebooks
TI OMAP:
- Two fixes PHY mode on am335x reference boards
Marvell mvebu:
- A regression fix for Armada XP NAND flash controllers
- An incorrect reset signal on the clearfog board"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
ARM: tegra: Restore DT ABI on Tegra124 Chromebooks
ARM: dts: am335x-evm: Fix PHY mode for ethernet
ARM: dts: am335x-evmsk: Fix PHY mode for ethernet
arm64: dts: clearfog-gt-8k: fix SGMII PHY reset signal
ARM: dts: armada-xp: fix Armada XP boards NAND description
- Fix memcpy to prevent prefetchw beyond end of buffer [Eugeniy]
- Enable unaligned access early to prevent exceptions given newer gcc
code gen [Eugeniy]
- Tighten up uboot arg checking to prevent false negatives and also
allow both jtag and bootloading to coexist w/o config option as
needed by kernelCi folks [Eugeniy]
- Set slab alignment to 8 for ARC to avoid the atomic64_t unalign [Alexey]
- Disable regfile auto save on interrupts on HSDK platform due to a
silicon issue [Vineet]
- Avoid HS38x boot printing crash by not reading HS48x only reg [Vineet]
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Merge tag 'arc-5.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc
Pull ARC fixes from Vineet Gupta:
"Fixes for ARC for 5.0, bunch of those are stable fodder anyways so
sooner the better.
- Fix memcpy to prevent prefetchw beyond end of buffer [Eugeniy]
- Enable unaligned access early to prevent exceptions given newer gcc
code gen [Eugeniy]
- Tighten up uboot arg checking to prevent false negatives and also
allow both jtag and bootloading to coexist w/o config option as
needed by kernelCi folks [Eugeniy]
- Set slab alignment to 8 for ARC to avoid the atomic64_t unalign
[Alexey]
- Disable regfile auto save on interrupts on HSDK platform due to a
silicon issue [Vineet]
- Avoid HS38x boot printing crash by not reading HS48x only reg
[Vineet]"
* tag 'arc-5.0-final' of git://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc:
ARCv2: don't assume core 0x54 has dual issue
ARC: define ARCH_SLAB_MINALIGN = 8
ARC: enable uboot support unconditionally
ARC: U-boot: check arguments paranoidly
ARCv2: support manual regfile save on interrupts
ARC: uacces: remove lp_start, lp_end from clobber list
ARC: fix actionpoints configuration detection
ARCv2: lib: memcpy: fix doing prefetchw outside of buffer
ARCv2: Enable unaligned access in early ASM code
We recently created a bpf@vger.kernel.org list (https://lore.kernel.org/bpf/)
for BPF related discussions, originally in context of BPF track at LSF/MM
for topic discussions. It's *optional* but *desirable* to keep it in Cc for
BPF related kernel/loader/llvm/tooling threads, meaning also infrastructure
like llvm that sits on top of kernel but is crucial to BPF. In any case,
netdev with it's bpf delegate is *as-is* today primary list for patches, so
nothing changes in the workflow. Main purpose is to have some more awareness
for the bpf@vger.kernel.org list that folks can Cc for BPF specific topics.
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Pull parisc fixes from Helge Deller:
"Fix ptrace syscall number modification which has been broken since
kernel v4.5 and provide alternative email addresses for the remaining
users of the retired parisc-linux.org email domain"
* 'parisc-5.0-1' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
CREDITS/MAINTAINERS: Retire parisc-linux.org email domain
parisc: Fix ptrace syscall number modification
- fix scripts/kallsyms.c to correctly check too long symbol names
- fix sh build error for the combination of CONFIG_OF_EARLY_FLATTREE=y
and CONFIG_USE_BUILTIN_DTB=n
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Merge tag 'kbuild-fixes-v5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
Pull more Kbuild fixes from Masahiro Yamada:
- fix scripts/kallsyms.c to correctly check too long symbol names
- fix sh build error for the combination of CONFIG_OF_EARLY_FLATTREE=y
and CONFIG_USE_BUILTIN_DTB=n
* tag 'kbuild-fixes-v5.0-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
sh: fix build error for invisible CONFIG_BUILTIN_DTB_SOURCE
kallsyms: Handle too long symbols in kallsyms.c
Paolo Abeni says:
====================
udp: a few fixes
This series includes some UDP-related fixlet. All this stuff has been
pointed out by the sparse tool. The first two patches are just annotation
related, while the last 2 cover some very unlikely races.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Similar to the previous commit, this addresses the same issue for
ipv4: use a single fetch operation and use the correct rcu
annotation.
Fixes: e7cc082455 ("udp: Support for error handlers of tunnels with arbitrary destination port")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Before derefencing the encap pointer, commit e7cc082455 ("udp: Support
for error handlers of tunnels with arbitrary destination port") checks
for a NULL value, but the two fetch operation can race with removal.
Fix the above using a single access.
Also fix a couple of type annotations, to make sparse happy.
Fixes: e7cc082455 ("udp: Support for error handlers of tunnels with arbitrary destination port")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Last argument of gue6_err_proto_handler() has a wrong type annotation,
fix it and make sparse happy again.
Fixes: b8a51b38e4 ("fou, fou6: ICMP error handlers for FoU and GUE")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Acked-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In commit 029a374348 ("udp6: cleanup stats accounting in recvmsg()")
I forgot to add the percpu annotation for the mib pointer. Add it, and
make sparse happy.
Fixes: 029a374348 ("udp6: cleanup stats accounting in recvmsg()")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vinod Koul says:
====================
net: phy: at803x: Update delays for RGMII modes
Peter[1] reported that patch cd28d1d6e5: ("net: phy: at803x: Disable
phy delay for RGMII mode") caused regression on am335x-evmsk board.
This board expects the Phy delay to be enabled but specified RGMII mode
which refers to delays being disabled. So fix this by disabling delay only
for RGMII mode and enable for RGMII_ID and RGMII_TXID/RXID modes.
While at it, as pointed by Dave, don't inline the helpers.
[1]: https://www.spinics.net/lists/netdev/msg550749.html
Changes in v4:
- fix log & comments nbased on Marc's feedback
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Per "Documentation/devicetree/bindings/net/ethernet.txt" RGMII mode
should not have delay in PHY whereas RGMII_ID and RGMII_RXID/RGMII_TXID
can have delay in PHY.
So disable the delay only for RGMII mode and enable for other modes.
Also treat the default case as disabled delays.
Fixes: cd28d1d6e5: ("net: phy: at803x: Disable phy delay for RGMII mode")
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org>
Tested-by: Peter Ujfalusi <peter.ujflausi@ti.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some helpers were declared with the "inline" function specifier.
It is preferable to let the compiler pick the right optimizations,
so drop the specifier for at803x_disable_rx_delay() and
at803x_disable_tx_delay()
Reviewed-by: Niklas Cassel <niklas.cassel@linaro.org>
Tested-by: Peter Ujfalusi <peter.ujflausi@ti.com>
Reviewed-by: Marc Gonzalez <marc.w.gonzalez@free.fr>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
For tcindex filter, it is too late to initialize the
net pointer in tcf_exts_validate(), as tcf_exts_get_net()
requires a non-NULL net pointer. We can just move its
initialization into tcf_exts_init(), which just requires
an additional parameter.
This makes the code in tcindex_alloc_perfect_hash()
prettier.
Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Cc: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Set rtm_table to RT_TABLE_COMPAT for ipv6 for tables > 255 to
keep legacy software happy. This is similar to what was done for
ipv4 in commit 709772e6e0 ("net: Fix routing tables with
id > 255 for legacy software").
Signed-off-by: Kalash Nainwal <kalash@arista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: firmware message delay fixes.
We were seeing some intermittent firmware message timeouts in our lab and
these 2 small patches fix them. Please apply to stable as well. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The code waits up to 20 usec for the firmware response to complete
once we've seen the valid response header in the buffer. It turns
out that in some scenarios, this wait time is not long enough.
Extend it to 150 usec and use usleep_range() instead of udelay().
Fixes: 9751e8e714 ("bnxt_en: reduce timeout on initial HWRM calls")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The logic that polls for the firmware message response uses a shorter
sleep interval for the first few passes. But there was a typo so it
was using the wrong counter (larger counter) for these short sleep
passes. The result is a slightly shorter timeout period for these
firmware messages than intended. Fix it by using the proper counter.
Fixes: 9751e8e714 ("bnxt_en: reduce timeout on initial HWRM calls")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiong Wang says:
====================
Code-gen for BPF_ALU | BPF_XOR | BPF_K is wrong when imm is -1,
also high 32-bit of 64-bit register should always be cleared.
This set fixed both bugs.
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
NFP BPF JIT compiler is doing a couple of small optimizations when jitting
ALU imm instructions, some of these optimizations could save code-gen, for
example:
A & -1 = A
A | 0 = A
A ^ 0 = A
However, for ALU32, high 32-bit of the 64-bit register should still be
cleared according to ISA semantics.
Fixes: cd7df56ed3 ("nfp: add BPF to NFP code translator")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
The intended optimization should be A ^ 0 = A, not A ^ -1 = A.
Fixes: cd7df56ed3 ("nfp: add BPF to NFP code translator")
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiong Wang <jiong.wang@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Allow enabling VEPA mode on the HCA's port in legacy devlink mode.
Example:
bridge link set dev ens1f0 hwmode vepa
will turn on VEPA mode on the netdev ens1f0.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
In Virtual Ethernet Port Aggregator (VEPA) mode, the packet skips
the system internal virtual switch and forwards to external network
switch. In Mellanox HCA case, the virtual switch is the HCA's Eswitch.
To support this, an new FDB flow table are created with level 0 and
linked to the existing FDB flow table in legacy mode. By default,
VEPA is turned off and this FDB flow table is empty. When VEPA is
turned on, two rules are created. One rule to forward on uplink vport
traffic to the legacy FDB. The other rule forward all other traffic
to uplink vport.
Other design alternatives were not chosen as explained below:
1. Create a forward rule in ACL flow table (most efficient design).
This approach is the not chosen because firmware does not support
forward rule to uplink vport (0xffff) for ACL flow table.
2. Add additional source port criteria in all the FDB rules to make the
FDB rules to be received rules only. This approach is not chosen because
it is not efficient as there can many rules in the FDB and VEPA mode
cannot be controlled per vport.
3. Add a highest prioirty flow group in the existing legacy FDB Flow
Table instead of a new flow table. This approoach does not work because the
new flow group has the same match criteria as the promiscuous flow group
and mlx5_add_flow_rules does not allow specifying flow group.
Signed-off-by: Huy Nguyen <huyn@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
If reporter is ERR_PTR or NULL, error code shall be returned. At all other
cases it shall return success. Fix that.
Fixes: de8650a820 ("net/mlx5e: Add tx reporter support")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
In case of lost interrupt recover, we shall return success. Fix that.
Fixes: 7d91126b1a ("net/mlx5e: Add tx timeout support for mlx5e tx reporter")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Reported-by: Maria Pasechnik <mariap@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
When TX reporter was introduced, it took ownership over TX timeout error
handling. this introduced a regression in case TX reporter is not valid
(NET_DEVLINK is not set, or devlink_health_reporter_create failure).
Fix mlx5e_tx_reporter_timeout function so it can be called at all times.
In addition, remove a warning print that indicates that a TX timeout won't
be handled in case of no valid TX reporter.
Fixes: 7d91126b1a ("net/mlx5e: Add tx timeout support for mlx5e tx reporter")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Print warning message in case of TX reporter creation failure, only if the
return value is ERR_PTR type. NULL pointer return indicates that
NET_DEVLINK is not set, and the warning print can be skipped.
Fixes: de8650a820 ("net/mlx5e: Add tx reporter support")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Flow entropy is calculated on the inner packet headers and used for
flow distribution in processing, routing etc. For GRE-type
encapsulations the entropy value is placed in the eight LSB of the key
field in the GRE header as defined in NVGRE RFC 7637. For UDP based
encapsulations the entropy value is placed in the source port of the
UDP header.
The hardware may support entropy calculation specifically for GRE and
for all tunneling protocols. With commit df2ef3bff1 ("net/mlx5e: Add
GRE protocol offloading") GRE is offloaded, but the hardware is
configured by default to calculate flow entropy so packets transmitted
on the wire have a wrong key. To support UDP based tunnels (i.e VXLAN),
GRE (i.e. no flow entropy) and NVGRE (i.e. with flow entropy) the
hardware behaviour must be controlled by the driver.
Ensure port entropy calculation is enabled for offloaded VXLAN tunnels
and disable port entropy calculation in the presence of offloaded GRE
tunnels by monitoring the presence of entropy enabling tunnels (i.e
VXLAN) and entropy disabing tunnels (i.e GRE).
Fixes: df2ef3bff1 ("net/mlx5e: Add GRE protocol offloading")
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
When using the device packet encapsulation offload, the device
calculates an entropy value, representing the inner packet headers. The
entropy field is placed inside the outer packet headers. For UDP-type
encapsulations, the entropy is placed in the source port field of the
UDP header. For GRE-type encapsulations, the entropy is placed in the 8
LSB of the key field in the GRE header. If the device does not recognize
the encapsulation type, the entropy is not placed in the packet.
Entropy setting can be controlled using PCMR register. if encapsulation
offload is not used force_entropy_cap should be set to 0x0. Entropy
setting is enabled/disabled using entropy_calc, and could be
additionally enabled/disabled for GRE encapsulation by entropy_gre_calc.
As a pre-step to automatically control the tunnel entropy, introduce
the entropy fields in the PCMR register with no functional change.
Signed-off-by: Eli Britstein <elibr@mellanox.com>
Reviewed-by: Oz Shlomo <ozsh@mellanox.com>
Reviewed-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
