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If strparser gets cornered into starting a new message from
an sk_buff which already has frags, it will allocate a new
skb to become the "wrapper" around the fragments of the
message.
This new skb does not inherit any metadata fields. In case
of TLS offload this may lead to unnecessarily re-encrypting
the message, as skb->decrypted is not set for the wrapper skb.
Try to be conservative and copy all fields of old skb
strparser's user may reasonably need.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Clang warns:
drivers/net/ethernet/mscc/ocelot_ace.c:335:37: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct ocelot_vcap_u64 payload = { 0 };
^
{}
drivers/net/ethernet/mscc/ocelot_ace.c:336:28: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct vcap_data data = { 0 };
^
{}
drivers/net/ethernet/mscc/ocelot_ace.c:683:37: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct ocelot_ace_rule del_ace = { 0 };
^
{}
drivers/net/ethernet/mscc/ocelot_ace.c:743:28: warning: suggest braces
around initialization of subobject [-Wmissing-braces]
struct vcap_data data = { 0 };
^
{}
4 warnings generated.
One way to fix these warnings is to add additional braces like Clang
suggests; however, there has been a bit of push back from some
maintainers[1][2], who just prefer memset as it is unambiguous, doesn't
depend on a particular compiler version[3], and properly initializes all
subobjects. Do that here so there are no more warnings.
[1]: https://lore.kernel.org/lkml/022e41c0-8465-dc7a-a45c-64187ecd9684@amd.com/
[2]: https://lore.kernel.org/lkml/20181128.215241.702406654469517539.davem@davemloft.net/
[3]: https://lore.kernel.org/lkml/20181116150432.2408a075@redhat.com/
Fixes: b596229448 ("net: mscc: ocelot: Add support for tcam")
Link: https://github.com/ClangBuiltLinux/linux/issues/505
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
syzbot triggered following splat when strict netlink
validation is enabled:
net/ipv4/devinet.c:1766 suspicious rcu_dereference_check() usage!
This occurs because we hold RTNL mutex, but no rcu read lock.
The second call site holds both, so just switch to the _rtnl variant.
Reported-by: syzbot+bad6e32808a3a97b1515@syzkaller.appspotmail.com
Fixes: 2638eb8b50 ("net: ipv4: provide __rcu annotation for ifa_list")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jiri Pirko says:
====================
expose flash update status to user
When user is flashing device using devlink, he currenly does not see any
information about what is going on, percentages, etc.
Drivers, for example mlxsw and mlx5, have notion about the progress
and what is happening. This patchset exposes this progress
information to userspace.
Example output for existing flash command:
$ devlink dev flash pci/0000:01:00.0 file firmware.bin
Preparing to flash
Flashing 100%
Flashing done
See this console recording which shows flashing FW on a Mellanox
Spectrum device:
https://asciinema.org/a/247926
Please see individual patches for changelog.
v2->v3 only adds tags and the last selftest patch
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Utilizes the devlink flash code.
Suggested-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Implement mlxfw status_notify op by passing notification down to
devlink. Also notify about flash update begin and end.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add new op status_notify which is called to update the user about
flashing status.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Introduce a function to be called from drivers during flash. It sends
notification to userspace about flash update progress.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently the error messages are printed to dmesg. Propagate them also
to directly to user doing the flashing through extack.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Benefit from the devlink flash update implementation and ethtool
fallback to it and move firmware flash implementation there.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Saeed Mahameed <saeedm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Benefit from the devlink flash update implementation and ethtool
fallback to it and move firmware flash implementation there.
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Reviewed-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vladimir Oltean says:
====================
FDB updates for SJA1105 DSA driver
This patch series adds:
- FDB switchdev support for the second generation of switches (P/Q/R/S).
I could test/code these now that I got a board with a SJA1105Q.
- Management route support for SJA1105 P/Q/R/S. This is needed to send
PTP/STP/management frames over the CPU port.
- Logic to hide private DSA VLANs from the 'bridge fdb' commands.
The new FDB code was also tested and still works on SJA1105T.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
TX VLANs and RX VLANs are an internal implementation detail of DSA for
frame tagging. They work by installing special VLANs on switch ports in
the operating modes where no behavior change w.r.t. VLANs can be
observed by the user.
Therefore it makes sense to hide these VLANs in the 'bridge fdb'
command, as well as translate the pvid into the RX VID and TX VID on
'bridge fdb add' and 'bridge fdb del' commands.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a cosmetic patch that simplifies the code by removing a
redundant check. A logical AND-with-zero performed on a zero is still
zero.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This adds support for manipulating the L2 forwarding database (dump,
add, delete) for the second generation of NXP SJA1105 switches.
At the moment only FDB entries installed statically through 'bridge fdb'
are visible in the dump callback - the dynamically learned ones are
still under investigation.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Management routes are one-shot FDB rules installed on the CPU port for
sending link-local traffic. They are a prerequisite for STP, PTP etc to
work.
Also make a note that removing a management route was not supported on
the previous generation of switches.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Conceptually, if an entry is not found in the requested hardware table,
it is not an invalid request - so change the error returned
appropriately.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
These are needed in order to implement the switchdev FDB callbacks.
Compared to the E/T generation, not only the ABI (bit offsets) is
different, but also the introduction of the HOSTCMD field which permits
O(1) TCAM search for an FDB entry. Make use of the newly introduce
OP_SEARCH to permit that. It will be used while adding and deleting an
FDB entry (to see whether it exists or not).
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The DSA callbacks were written with the E/T (first generation) in mind,
which is quite different.
For P/Q/R/S completely new implementations need to be provided, which
are held as function pointers in the priv->info structure. We are
taking a slightly roundabout way for this (a function from
sja1105_main.c reads a structure defined in sja1105_spi.c that
points to a function defined in sja1105_main.c), but it is what it is.
The FDB dump callback works for both families, hence no function pointer
for that.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Only a single dynamic configuration table of the SJA1105 P/Q/R/S
supports this operation: the FDB.
To keep the existing structure in place (sja1105_dynamic_config_read and
sja1105_dynamic_config_write) and not introduce any new function, a
convention is made for sja1105_dynamic_config_read that a negative index
argument denotes a search for the entry provided as argument.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This appends to the L2 Forwarding and L2 Forwarding Parameters tables
(originally added for first-generation switches) the bits that are new
in the second generation.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This was inadvertently copied from the SJA1105 E/T structure and not
tested. Cross-checking with the P/Q/R/S documentation (UM11040) makes
it immediately obvious what the correct bit offsets for this field are.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This structure is merely an implementation detail and should be hidden
from the sja1105_dynamic_config.h header, which provides to the rest of
the driver an abstract access to the dynamic configuration interface of
the switch.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Heiner Kallweit says:
====================
r8169: make firmware handling code ready to be factored out
This series contains the final steps to make firmware handling code
ready to be factored out into a separate source code file.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Add rtl_fw_request_firmware and rtl_fw_release_firmware which will be
part of the API when factoring out the firmware handling code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In preparation of factoring out the firmware handling code avoid any
usage of struct rtl8169_private internals. As part of it we can inline
rtl_check_firmware.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Similar to rtl_fw_data_ok() we can simplify the code by moving
incrementing the index to the for loop initialization.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace the firmware opcode defines with a proper enum. The BUG()
in rtl_fw_write_firmware() can be removed because the call to
rtl_fw_data_ok() ensures all opcodes are valid.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Huazhong Tan says:
====================
code optimizations & bugfixes for HNS3 driver
This patch-set includes code optimizations and bugfixes for the HNS3
ethernet controller driver.
[patch 1/10] removes the redundant core reset type
[patch 2/10 - 3/10] fixes two VLAN related issues
[patch 4/10] fixes a TM issue
[patch 5/10 - 10/10] includes some patches related to RAS & MSI-X error
Change log:
V1->V2: removes two patches which needs to change HNS's infiniband
driver as well, they will be upstreamed later with the
infiniband's one.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
All RAS and MSI-X should be enabled just in the final stage of HNS3
initialization. It means that they should be enabled in
hclge_init_xxx_client_instance instead of hclge_ae_dev(). Especially
MSI-X, if it is enabled before opening vector0 IRQ, there are some
chances that a MSI-X error will cause failure on initialization of
NIC client instane. So this patch delays enabling of HW errors.
Otherwise, we also separate enabling of ROCE RAS from NIC, because
it's not reasonable to enable ROCE RAS if we even don't have a ROCE
driver.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are four commands being used to query and clear RAS and MSI-X
interrupts status. They should be contained in array of special opcodes
because these commands have several descriptors, and we need to judge
return value in the first descriptor rather than the last one as other
opcodes. In addition, we shouldn't set the NEXT_FLAG of first descriptor.
This patch fixes above issues.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We shouldn't set HNAE3_NONE_RESET bit of the variable that represents a
reset request during handling of MSI-X errors, or may cause issue when
trigger reset.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
LINK_UP and LINK_DOWN are two bits of MAC tunnel interrupts, but previous
HNS3 driver didn't handle them. If they were enabled, value of these two
bits will change during link down and link up, which will cause HNS3
driver keep receiving IRQ but can't handle them.
This patch adds handling of these two bits of interrupts, we will record
and clear them as what we do to other MAC tunnel interrupts.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The hclge/hclgevf and hns3 module can be unloaded independently,
when hclge/hclgevf unloaded firstly, the ops of ae_dev should
be set to NULL, otherwise it will cause an use-after-free problem.
Fixes: 38caee9d3e ("net: hns3: Add support of the HNAE3 framework")
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If we add a VF without loading hclgevf.ko and then there is a RAS error
occurs, PCIe AER will call error_detected and slot_reset of all functions,
and will get a NULL pointer when we check ad_dev->ops->handle_hw_ras_error.
This will cause a call trace and failures on handling of follow-up RAS
errors.
This patch check ae_dev and ad_dev->ops at first to solve above issues.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch sets the port shaper according to the MAC speed as
suggested by hardware user manual.
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In orginal codes, the driver only restore VLAN filter entries
for PF after reset, the VLAN entries of VF will lose in this
case.
This patch fixes it by recording VLAN IDs for each function
when add VLAN, and restore the VLAN IDs after reset.
Fixes: 681ec3999b ("net: hns3: fix for vlan table lost problem when resetting")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
VF VLAN table can only support no more than 256 VLANs. When user
adds too many VLANs, the VF VLAN table will be full, and firmware
will close the VF VLAN table for the function. When VF VLAN table
is full, and user keeps adding new VLANs, it's unnecessary to
configure the VF VLAN table, because it will always fail, and print
warning message. The worst case is adding 4K VLANs, and doing reset,
it will take much time to restore these VLANs, which may cause VF
reset fail by timeout.
Fixes: 6c251711b3 ("net: hns3: Disable vf vlan filter when vf vlan table is full")
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since core reset is similar to the global reset, so this
patch removes it and uses global reset to replace it.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use paged versions of phylib MDIO access functions to simplify
the code.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix gcc build error while CONFIG_DEVLINK is not set
drivers/net/ethernet/qlogic/qed/qed_main.o: In function `qed_remove':
qed_main.c:(.text+0x1eb4): undefined reference to `devlink_unregister'
Select DEVLINK to fix this.
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: 24e04879ab ("qed: Add qed devlink parameters table")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Michal Kalderon <michal.kalderon@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
this_cpu_read(*X) is slightly faster than *this_cpu_ptr(X)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
this_cpu_read(*X) is faster than *this_cpu_ptr(X)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
this_cpu_read(*X) is faster than *this_cpu_ptr(X)
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sean Wang says:
====================
Add MT7629 ethernet support
MT7629 inlcudes two sets of SGMIIs used for external switch or PHY, and embedded
switch (ESW) via GDM1, GePHY via GMAC2, so add several patches in the series to
make the code base common with the old SoCs.
The patch 1, 3 and 6, adds extension for SGMII to have the hardware configured
for 1G, 2.5G and AN to fit the capability of the target PHY. In patch 6 could be
an example showing how to use these configurations for underlying PHY speed to
match up the link speed of the target PHY.
The patch 4 is used for automatically configured the hardware path from GMACx to
the target PHY by the description in deviceetree topology to determine the
proper value for the corresponding MUX.
The patch 2 and 5 is for the update for MT7629 including dt-binding document and
its driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Enlarge the SGMII register range and using 2.5G force mode on default.
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
