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Add defines and docs for generic info versions.
v3:
- add docs;
- separate patch (Jiri).
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>
ethtool -i has a few fixed-size fields which can be used to report
firmware version and expansion ROM version. Unfortunately, modern
hardware has more firmware components. There is usually some
datapath microcode, management controller, PXE drivers, and a
CPLD load. Running ethtool -i on modern controllers reveals the
fact that vendors cram multiple values into firmware version field.
Here are some examples from systems I could lay my hands on quickly:
tg3: "FFV20.2.17 bc 5720-v1.39"
i40e: "6.01 0x800034a4 1.1747.0"
nfp: "0.0.3.5 0.25 sriov-2.1.16 nic"
Add a new devlink API to allow retrieving multiple versions, and
provide user-readable name for those versions.
While at it break down the versions into three categories:
- fixed - this is the board/fixed component version, usually vendors
report information like the board version in the PCI VPD,
but it will benefit from naming and common API as well;
- running - this is the running firmware version;
- stored - this is firmware in the flash, after firmware update
this value will reflect the flashed version, while the
running version may only be updated after reboot.
v3:
- add per-type helpers instead of using the special argument (Jiri).
RFCv2:
- remove the nesting in attr DEVLINK_ATTR_INFO_VERSIONS (now
versions are mixed with other info attrs)l
- have the driver report versions from the same callback as
other info.
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>
ethtool -i has served us well for a long time, but its showing
its limitations more and more. The device information should
also be reported per device not per-netdev.
Lay foundation for a simple devlink-based way of reading device
info. Add driver name and device serial number as initial pieces
of information exposed via this new API.
v3:
- rename helpers (Jiri);
- rename driver name attr (Jiri);
- remove double spacing in commit message (Jiri).
RFC v2:
- wrap the skb into an opaque structure (Jiri);
- allow the serial number of be any length (Jiri & Andrew);
- add driver name (Jonathan).
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>
Petr Machata says:
====================
selftests: Various fixes
This patch set contains various fixes whose common denominator is
improving quality of forwarding and mlxsw selftests.
Most of the fixes are improvements in determinism (such that timing and
latency don't impact the test performance). These were prompted by
regular runs of the test suite on a hardware emulator, the performance
of which is necessarily lower than that of the real device.
Patches #1 (from Ido), #2 and #3 make changes to ping limits.
Patches #4 and #5 add more sleep in places where things need more time
to finish.
Patches #6 and #7 fix two tests in the suite of mirror-to-gretap tests
where underlay involves a VLAN device over an 802.1q bridge.
Patches #8, #9 and #10 fix bugs in mirror-to-gretap test where underlay
involves a LAG device.
Patch #11 fixes a missed RET initialization in mirror-to-gretap flower
test.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The global variable RET needs to be initialized before each call to
log_test. This test case sets it once before running the tests, but then
calls log_tests for every individual test. Thus a failure in one of the
tests causes spurious failures in follow-up tests as well.
Fix by moving the initialization of RET from test_all() to
full_test_span_gre_dir_acl(), a function that implements the test.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This test sets up mirroring such that it mirrors all overlay traffic.
That includes ARP, which causes occasional miscounts and spurious
failures. Ignore ARP explicitly to avoid these problems.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This test relies on routing in the primary traffic path, but neglects to
enable forwarding. Do so.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After one LAG slave is downed and another upped, it takes a while for
the neighbor on a bridge to time out and get renegotiated. The test does
prompt update of FDB entries by arpinging. But because the neighbor
still references another address, offloading is not possible, and some
packets may end up not being mirrored.
To force the neighbor renegotiation, simply flush the neighbor table at
the bridge.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
ARP or ND traffic can cause spurious migration of FDB back to $swp3.
Mirroring is then updated in accordance with the change, and mirrored
packets are seen at h3, causing a failure.
Detect the case of this spurious roaming, and retry the test.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The untagged egress test sets up mirroring to {,ip6}gretap such that the
underlay goes through a bridge. Then VLAN flags are manipulated to test
that the traffic leaves the bridge 802.1q-tagged or not, as appropriate.
However, when a neighbor expires at the time that the bridge VLAN is
configured as PVID and egress untagged, the following discovery process
can't finish, because the IP address on H3 is still at the VLAN-tagged
netdevice. This manifests by occasional failures where only several of
the 10 required packets get through.
Therefore, when reconfiguring the VLAN flags, move the IP address to the
appropriate device in the H3 VRF.
In addition to that, take this opportunity to embed an ASCII art diagram
to make the topology move obvious.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When running in an environment with poor performance (such as a
simulator), processing mirrored packets can take a while. Evaluating the
condition too soon leads to spurious "seen 9, expected 10" failures as
the last packet doesn't have enough time to get mirrored and the mirror
to arrive and bump the observed counters.
Wait for one ping interval before evaluating the test.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When running in a simulator, the TTL change takes a while to settle and
during this time the performance of the packet processing is lowered.
The resulting instability leads to ping sending more packets as it
assumes some have been dropped. This then leads to regular spurious
failures as more packets than expected are observed.
Sleep a bit to give the system time to stabilize.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current ping intervals are too short for running mirroring tests in
simulator. This leads to ping sending a follow-up ping before the reply
arrives, thus sending more than the requested 10 ICMP requests. This
traffic is seen at the counters, and causes spurious failures.
Bump interval and timeout numbers 5x in mirroring tests to address the
spurious failures.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current ping intervals are too short for running mirroring tests in
simulator. This leads to ping sending a follow-up ping before the reply
arrives, thus sending more than the requested 10 ICMP requests. Those
are mirrored, and over a certain threshold the test case run is
considered a failure, because too much traffic is observed.
Bump interval and timeout numbers 5x in mirroring tests to address the
spurious failures.
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The current timeout (2 seconds) proved to be too low for some (emulated)
systems where we run the tests.
Make the timeout configurable and default to 5 seconds.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 3fb72f1e6e ("ipconfig wait for carrier") added a
"wait for carrier" policy, with a fixed worst case maximum wait
of two minutes.
Now make the wait for carrier timeout configurable on the kernel
commandline and use the 120s as the default.
The timeout messages introduced with
commit 5e404cd658 ("ipconfig: add informative timeout messages while
waiting for carrier") are done in a fixed interval of 20 seconds, just
like they were before (240/12).
Signed-off-by: Martin Kepplinger <martin.kepplinger@ginzinger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
instance = kzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
instance = kzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = kzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One of the more common cases of allocation size calculations is finding
the size of a structure that has a zero-sized array at the end, along
with memory for some number of elements for that array. For example:
struct foo {
int stuff;
struct boo entry[];
};
instance = kmalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can
now use the new struct_size() helper:
instance = kmalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One of the more common cases of allocation size calculations is
finding the size of a structure that has a zero-sized array at
the end, along with memory for some number of elements for that
array. For example:
struct foo {
int stuff;
struct boo entry[];
};
instance = kvzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kvzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
One of the more common cases of allocation size calculations is
finding the size of a structure that has a zero-sized array at
the end, along with memory for some number of elements for that
array. For example:
struct foo {
int stuff;
struct boo entry[];
};
instance = kvzalloc(sizeof(struct foo) + count * sizeof(struct boo), GFP_KERNEL);
Instead of leaving these open-coded and prone to type mistakes, we can now
use the new struct_size() helper:
instance = kvzalloc(struct_size(instance, entry, count), GFP_KERNEL);
This code was detected with the help of Coccinelle.
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently we don't zerocopy if the crypto framework async bit is set.
However some crypto algorithms (such as x86 AESNI) support async,
but in the context of sendmsg, will never run asynchronously. Instead,
check for actual EINPROGRESS return code before assuming algorithm is
async.
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Dave Watson says:
====================
net: tls: TLS 1.3 support
This patchset adds 256bit keys and TLS1.3 support to the kernel TLS
socket.
TLS 1.3 is requested by passing TLS_1_3_VERSION in the setsockopt
call, which changes the framing as required for TLS1.3.
256bit keys are requested by passing TLS_CIPHER_AES_GCM_256 in the
sockopt. This is a fairly straightforward passthrough to the crypto
framework.
256bit keys work with both TLS 1.2 and TLS 1.3
TLS 1.3 requires a different AAD layout, necessitating some minor
refactoring. It also moves the message type byte to the encrypted
portion of the message, instead of the cleartext header as it was in
TLS1.2. This requires moving the control message handling to after
decryption, but is otherwise similar.
V1 -> V2
The first two patches were dropped, and sent separately, one as a
bugfix to the net tree.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Change most tests to TLS 1.3, while adding tests for previous TLS 1.2
behavior.
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TLS 1.3 has minor changes from TLS 1.2 at the record layer.
* Header now hardcodes the same version and application content type in
the header.
* The real content type is appended after the data, before encryption (or
after decryption).
* The IV is xored with the sequence number, instead of concatinating four
bytes of IV with the explicit IV.
* Zero-padding: No exlicit length is given, we search backwards from the
end of the decrypted data for the first non-zero byte, which is the
content type. Currently recv supports reading zero-padding, but there
is no way for send to add zero padding.
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
For TLS 1.3, the control message is encrypted. Handle control
message checks after decryption.
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
TLS 1.3 has a different AAD size, use a variable in the code to
make TLS 1.3 support easy.
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Wire up support for 256 bit keys from the setsockopt to the crypto
framework
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
- bump version strings, by Simon Wunderlich
- Add DHCPACKs for DAT snooping, by Linus Luessing
- Update copyright years for 2019, by Sven Eckelmann
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Merge tag 'batadv-next-for-davem-20190201' of git://git.open-mesh.org/linux-merge
Simon Wunderlich says:
====================
This feature/cleanup patchset includes the following patches:
- bump version strings, by Simon Wunderlich
- Add DHCPACKs for DAT snooping, by Linus Luessing
- Update copyright years for 2019, by Sven Eckelmann
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
* airtime fairness scheduling in mac80211, so we can share
* more authentication offloads to userspace - this is for
SAE which is part of WPA3 and is hard to do in firmware
* documentation fixes
* various mesh improvements
* various other small improvements/cleanups
This also contains the NLA_POLICY_NESTED{,_ARRAY} change we
discussed, which affects everyone but there's no other user
yet.
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Merge tag 'mac80211-next-for-davem-2019-02-01' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
New features for the wifi stack:
* airtime fairness scheduling in mac80211, so we can share
* more authentication offloads to userspace - this is for
SAE which is part of WPA3 and is hard to do in firmware
* documentation fixes
* various mesh improvements
* various other small improvements/cleanups
This also contains the NLA_POLICY_NESTED{,_ARRAY} change we
discussed, which affects everyone but there's no other user
yet.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We should return -ENOMEM if the kcalloc() fails.
Fixes: d174ea75c9 ("net: hns3: add statistics for PFC frames and MAC control frame")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
We recently changed this function in commit f9fc54d313 ("ethtool:
check the return value of get_regs_len") such that if "reglen" is zero
we return directly. That means we can remove this condition as well.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the missing and malformed documentation that kernel-doc and
sphinx warn about. While at it, also add some things to the docs
to fix missing links.
Sadly, the only way I could find to fix this was to add some
trailing whitespace.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add the missing documentation that kernel-doc continually warns
about, to get rid of all that noise.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In typical cases, there's no need to pass both the maxattr
and the policy array pointer, as the maxattr should just be
ARRAY_SIZE(policy) - 1. Therefore, to be less error prone,
just remove the maxattr argument from the default macros
and deduce the size accordingly.
Leave the original macros with a leading underscore to use
here and in case somebody needs to pass a policy pointer
where the policy isn't declared in the same place and thus
ARRAY_SIZE() cannot be used.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Merge net-next so that we get the changes from net, which would
otherwise conflict with the NLA_POLICY_NESTED/_ARRAY changes.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fix spelling mistake in cfg80211.h: "lenght" -> "length".
The typo is also in the special comment block which
translates to documentation.
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There was a typo in the documentation for weight_multiplier in mac80211.h,
and the doc was missing entirely for airtime and airtime_weight in sta_info.h.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
WoL handling for the RTL8168 family is a little bit tricky because of
different types of broken BIOS and/or chip quirks.
Two known issues:
1. Network properly resumes from suspend only if WoL is enabled in the chip.
2. Some notebooks wake up immediately if system is suspended and network
device is wakeup-enabled.
Few patches tried to deal with this:
7edf6d314c ("r8169: disable WOL per default")
18041b5236 ("r8169: restore previous behavior to accept BIOS WoL
settings")
Currently we have the situation that the chip WoL settings as set by
the BIOS are respected (to prevent issue 1), but the device doesn't get
wakeup-enabled (to prevent issue 2).
This leads to another issue:
If systemd is told to set WoL it first checks whether the requested
settings are active already (and does nothing if yes). Due to the chip
WoL flags being set properly systemd assumes that WoL is configured
properly in our case. Result is that device doesn't get wakeup-enabled
and WoL doesn't work (until it's set e.g. by ethtool).
This patch now:
- leaves the chip WoL settings as is (to prevent issue 1)
- keeps the behavior to not wakeup-enable the device initially
(to prevent issue 2)
- In addition we report WoL as being disabled in get_wol, matching
that device isn't wakeup-enabled. If systemd is told to enable WoL,
it will therefore detect that it has to do something and will
call set_wol.
Of course the user still has the option to override this with
e.g. ethtool.
v2:
- Don't just exclude __rtl8169_get_wol() from compiling, remove it.
v3:
- adjust commit message
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Replace the macvlan_port_exists() macro with its twin from netdevice.h
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Huazhong Tan says:
====================
code optimizations & bugfixes for HNS3 driver
This patchset includes bugfixes and code optimizations for the HNS3
ethernet controller driver
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In orginal codes, driver always enables flow director when
intializing. When user disable flow director with command
ethtool -K, the flow director will be enabled again after
resetting.
This patch fixes it by only enabling it when first initialzing.
Fixes: 6871af29b3 ("net: hns3: Add reset handle for flow director")
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>
When VF is resetting, it can't communicate to PF with mailbox msg.
This patch adds reset state checking before sending keep alive msg
to PF.
Fixes: a6d818e31d ("net: hns3: Add vport alive state checking support")
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>
HNS3 VF driver support NIC and Roce, hdev stores NIC
handle and Roce handle, should use correct parameter for
container_of.
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>
While hclge_init_umv_space() failed in the hclge_init_ae_dev(),
we should undo all the operation which has been done successfully,
the last success operation maybe hclge_mac_mdio_config(), so if
hclge_init_umv_space() failed, we also need to undo it.
Fixes: 288475b2ad01 ("{topost} net: hns3: refine umv space allocation")
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>
The rss result is more uniform when use recommended hash key from
microsoft, instead of the one generated by netdev_rss_key_fill().
Also using hash algorithm "xor" is better than "toeplitz".
This patch modifies the default hash key and hash algorithm.
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>
When the driver is unloading, if a global reset occurs,
unmap_ring_from_vector() in the hns3_nic_uninit_vector_data() will
fail, and hns3_nic_uninit_vector_data() just return. There may be
some netif_napi_del() not be done.
Since hardware will unmap all ring while resetting, so
hns3_nic_uninit_vector_data() should ignore this error, and do the
rest uninitialization.
Fixes: 76ad4f0ee7 ("net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC")
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>
When the VF shares the same TC config as PF, the business
running on PF and VF must have samiliar module.
For simplicity, we are not considering VF sharing the same tc
configuration as PF use case, so this patch removes the support
of TC configuration from VF and forcing VF to just use single
TC.
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>
hnae3_register_ae_dev() may fail, and it should return a error code
to its caller, so change hnae3_register_ae_dev() return type to int.
Also, when hnae3_register_ae_dev() return error, hns3_probe() should
do some error handling and return the error code.
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>
