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Add message for debugging usage and the program flow is no change.
Add a variable reserved for WLAN firmware synchronize.
Add a group of variable to save BT packet counter, it will be
assigned as mechanism judgment in the future. Now it is just for
debug usage.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201126021059.11981-3-pkshih@realtek.com
When WLAN entering or leaving, it's necessary to run coexistence mechanism
to ensure the setting matched current status.
Without calling rtw_coex_run_coex(), WLAN poor throughput or bad A2DP
quality may happen.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201126021059.11981-2-pkshih@realtek.com
This reverts commit 28606150768a20b291a35dbbbb0ab4dd7d4739db.
Since actually Buffalo WI-U3-866D is falied to power on with the change.
The rtl8812au driver code to power on is same with the rtl8821a code.
But the rtl8821ae included rtl8821a does not support USB interface.
So seems that rtl8812au should be supported by rt1l8821a code with USB.
Signed-off-by: Tokunori Ikegami <ikegami.t@gmail.com>
Cc: linux-wireless@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201121003411.9450-1-ikegami.t@gmail.com
The NO_160 flag specifies if the device doesn't have 160 MHz support,
but we errorneously assumed the opposite. If the flag was set, we
were considering that 160 MHz was supported, but it's actually the
opposite. Fix it by inverting the bits, i.e. NO_160 is 0x1 and 160
is 0x0.
Fixes: d6f2134a3831 ("iwlwifi: add mac/rf types and 160MHz to the device tables")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201202143859.375bec857ccb.I83884286b688965293e9810381808039bd7eedae@changeid
This commit updates the BMPS exit path to be consistent with downstream in
terms of exiting BMPS mode. Downstream sets the flag to send a NULL data
frame to the host on exiting BMPS.
This will tell the AP to send any queued frames to the STA immediately.
Verified the relevant bit toggle in wireshark.
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201120021403.2646574-2-bryan.odonoghue@linaro.org
qmi_msg_handler[] and ath10k_qmi_ops are only used as input arguments
to qmi_handle_init() which accepts const pointers to both qmi_ops and
qmi_msg_handler. Make them const to allow the compiler to put them in
read-only memory.
Signed-off-by: Rikard Falkeborn <rikard.falkeborn@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122234031.33432-3-rikard.falkeborn@gmail.com
Should an error occur after calling 'ath10k_usb_create()', it should be
undone by a corresponding 'ath10k_usb_destroy()' call
Fixes: 4db66499df91 ("ath10k: add initial USB support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122170358.1346065-1-christophe.jaillet@wanadoo.fr
If 'ath10k_usb_create()' fails, we should release some resources and report
an error instead of silently continuing.
Fixes: 4db66499df91 ("ath10k: add initial USB support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122170342.1346011-1-christophe.jaillet@wanadoo.fr
The wmi service available event has been
extended to contain extra 128 bit for new services
to be indicated by firmware.
Currently the presence of any optional TLVs in
the wmi service available event leads to a parsing
error with the below error message:
ath10k_snoc 18800000.wifi: failed to parse svc_avail tlv: -71
The wmi service available event parsing should
not return error for the newly added optional TLV.
Fix this parsing for service available event message.
Tested-on: WCN3990 hw1.0 SNOC WLAN.HL.3.2.2-00720-QCAHLSWMTPL-1
Fixes: cea19a6ce8bf ("ath10k: add WMI_SERVICE_AVAILABLE_EVENT support")
Signed-off-by: Rakesh Pillai <pillair@codeaurora.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/1605501291-23040-1-git-send-email-pillair@codeaurora.org
If 'kzalloc' fails, we must return an error code.
While at it, remove a useless initialization of 'err' which could hide the
issue.
Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201122173943.1366167-1-christophe.jaillet@wanadoo.fr
It is rather easy to add more entries to ath11k_skb_cb while forgetting the
size limit of ieee80211_tx_info->driver_data. So just check this during the
build to reduce the change of accidental buffer overflow in the skbuff->cb.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201119154235.263250-3-sven@narfation.org
It was observed that the codepath for the ATH11K_SKB_HW_80211_ENCAP was
used even when the IEEE80211_TX_CTRL_HW_80211_ENCAP was not enabled for a
an skbuff. This became even more prominent when the QCAs wlan-open patchset
for ath11k [1] was applied and a sane looking fix just caused crashes when
injecting frames via a monitor interface (for example with ratechecker):
[ 86.963152] Unable to handle kernel NULL pointer dereference at virtual address 00000338
[ 86.963192] pgd = ffffffc0008f0000
[ 86.971034] [00000338] *pgd=0000000051706003, *pud=0000000051706003, *pmd=0000000051707003, *pte=00e800000b000707
[ 86.984292] Internal error: Oops: 96000006 [#1] PREEMPT SMP
[...]
[ 87.713339] [<ffffffbffc802480>] ieee80211_tx_status_8023+0xf8/0x220 [mac80211]
[ 87.715654] [<ffffffbffc98bad4>] ath11k_dp_tx_completion_handler+0x42c/0xa10 [ath11k]
[ 87.722924] [<ffffffbffc989190>] ath11k_dp_service_srng+0x70/0x3c8 [ath11k]
[ 87.730831] [<ffffffbffca03460>] 0xffffffbffca03460
[ 87.737599] [<ffffffc00046ef58>] net_rx_action+0xf8/0x288
[ 87.742462] [<ffffffc000097554>] __do_softirq+0xfc/0x220
[ 87.748014] [<ffffffc000097900>] irq_exit+0x98/0xe8
[ 87.753396] [<ffffffc0000cf188>] __handle_domain_irq+0x90/0xb8
[ 87.757999] [<ffffffc000081ca4>] gic_handle_irq+0x6c/0xc8
[ 87.763899] Exception stack(0xffffffc00081bdc0 to 0xffffffc00081bef0)
Problem is that the state of ath11k_skb_cb->flags must be considered
unknown and could contain anything when it is not manually initialized. So
it could also contain ATH11K_SKB_HW_80211_ENCAP. And this can result in the
code to assume that the ath11k_skb_cb->vif is set - even when this is not
always the case for non ATH11K_SKB_HW_80211_ENCAP transmissions.
Tested-on: IPQ8074 hw2.0 WLAN.HK.2.4.0.1.r1-00026-QCAHKSWPL_SILICONZ-2
[1] https://source.codeaurora.org/quic/qsdk/oss/system/feeds/wlan-open/tree/mac80211/patches?h=NHSS.QSDK.11.4.r3
(162 patches at the moment which are often not upstreamed but essential
to get ath11k working)
Fixes: e7f33e0c52c0 ("ath11k: add tx hw 802.11 encapsulation offloading support")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201119154235.263250-2-sven@narfation.org
The driver_data area of ieee80211_tx_info is used in ath11k for
ath11k_skb_cb. The first function in the TX patch which rewrites it to
ath11k_skb_cb is already ath11k_mac_op_tx. No one else in the code path
must use it for something else before it reinitializes it. Otherwise the
data has to be considered uninitialized or corrupt.
But the ieee80211_tx_info.control shares exactly the same area as
ieee80211_tx_info.driver_data and ath11k is still using it. This results in
best case in a
ath11k c000000.wifi1: no vif found for mgmt frame, flags 0x0
or (slightly worse) in a kernel oops.
Instead, the interesting data must be moved first into the ath11k_skb_cb
and ieee80211_tx_info.control must then not be used anymore.
Tested-on: IPQ8074 hw2.0 WLAN.HK.2.4.0.1.r1-00026-QCAHKSWPL_SILICONZ-2
Fixes: d5c65159f289 ("ath11k: driver for Qualcomm IEEE 802.11ax devices")
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201119154235.263250-1-sven@narfation.org
On chip versions supporting tally counter reset we currently update
the counters after a reset although we know all counters are zero.
Skip this unnecessary step.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Link: https://lore.kernel.org/r/526618b2-b1bf-1844-b82a-dab2df7bdc8f@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Extend ipa_reg_init_hol_block_timer_val() so it properly calculates
the head-of-line block timeout to use for IPA v4.5.
Introduce hol_block_timer_qtime_val() to compute the value to use
for IPA v4.5, where Qtime is used as the basis of the timer. Call
that function from hol_block_timer_val() for IPA v4.5.
Both of these are private functions, so shorten their names a bit so
they don't take up so much space on the line.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Change aggr_time_limit_encoded() to properly calculate the
aggregation time limit to use for IPA v4.5.
Older IPA versions program the AGGR_GRANULARITY field of the
of the COUNTER_CFG register to set the granularity of the
aggregation timer, which we configure to be 500 microseconds.
Instead, IPA v4.5 selects between two possible granularity values
derived from the 19.2 MHz Qtime clock. These granularities are
100 microseconds or 1 millisecond per tick. We use the smaller
granularity if possible, unless the desired period is too large
to be specified that way.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
IPA v4.5 introduces a new unified timer architecture driven on the
19.2 MHz SoC crystal oscillator (XO). It is independent of the IPA
core clock and avoids some duplication.
Lower-resolution time stamps are derived from this by using only the
high-order bits of the 19.2 MHz Qtime clock. And timers are derived
from this based on "pulse generators" configured to fire at a fixed
rate based on the Qtime clock.
This patch introduces ipa_qtime_config(), which configures the Qtime
mechanism for use. It also adds to the IPA register definitions
related to timers and time stamping.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
IPA v4.5 significantly changes the format of the configuration
register used for endpoint aggregation. The AGGR_BYTE_LIMIT field
is now larger, and the positions of other fields are shifted. This
complicates the way we have to access this register because functions
like u32_encode_bits() require their field mask argument to be constant.
A further complication is that we want to know the maximum value
representable by at least one of these fields, and that too requires
a constant field mask.
This patch adds support for IPA v4.5 endpoint aggregation registers
in a way that continues to support "legacy" IPA hardware. It does
so in a way that keeps field masks constant.
First, for each variable field mask, we define an inline function
whose return value is either the legacy value or the IPA v4.5 value.
Second, we define functions for these fields that encode a value
to use in each field based on the IPA version (this approach is
already used elsewhere). The field mask provided is supplied by
the function mentioned above.
Finally, for the aggregation byte limit fields where we want to
know the maximum representable value, we define a function that
returns that maximum, computed from the appropriate field mask.
We can no longer verify at build time that our buffer size is
in the range that can be represented by the aggregation byte
limit field. So remove the test done by a BUILD_BUG_ON() call
in ipa_endpoint_validate_build(), and implement a comparable check
at the top of ipa_endpoint_data_valid().
Doing that makes ipa_endpoint_validate_build() contain a single
line BUILD_BUG_ON() call, so just remove that function and move
the remaining line into ipa_endpoint_data_valid().
One final note: the aggregation time limit value for IPA v4.5 needs
to be computed differently. That is handled in an upcoming patch.
Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Order of operations is slightly more correct in the driver
to change the netdev->mtu after the queues have been stopped
rather than before.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Remove memory allocation fail messages where the OOM stack
trace will make it obvious which allocation request failed.
Signed-off-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This was added in commit ce973b141dfa ("[PATCH] Freescale QE UCC gigabit
ethernet driver") but doesn't appear to have been used. Remove it now.
Signed-off-by: Chris Packham <chris.packham@alliedtelesis.co.nz>
Link: https://lore.kernel.org/r/20201130001010.28998-1-chris.packham@alliedtelesis.co.nz
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
After adding support for QinQ, a.k.a 802.1ad protocol, there are a few
scenarios that should be vetoed.
The vetoes are motivated by various ASIC limitations.
For example, a port that is member in a 802.1ad bridge cannot have 802.1q
uppers as the port needs to be configured to treat 802.1q packets as
untagged packets.
Veto all those unsupported scenarios and return suitable messages.
Signed-off-by: Danielle Ratson <danieller@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
802.1ad, also known as QinQ is an extension to the 802.1q standard, which
is concerned with passing possibly 802.1q-tagged packets through another
VLAN-like tunnel. The format of 802.1ad tag is the same as 802.1q, except
it uses the EtherType of 0x88a8, unlike 802.1q's 0x8100.
Add support for 802.1ad protocol. Most of the configuration is the same
as 802.1q. The difference is that before a port joins an 802.1ad bridge it
needs to be configured to recognize 802.1ad packets as tagged and other
packets (e.g., 802.1q) as untagged.
VXLAN is not currently supported with 802.1ad bridge, so return an error
with an appropriate extack message.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The code in mlxsw_sp_bridge_8021q_port_{join, leave}() can be used also
for 802.1ad bridge.
Move the code to functions called
mlxsw_sp_bridge_vlan_aware_port_{join, leave}() and call them from
mlxsw_sp_bridge_8021q_port_{join, leave}() respectively to enable code
reuse.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, when pushing a PVID at ingress, mlxsw always uses 802.1q
EtherType.
Make this EtherType configurable by extending mlxsw_sp_port_pvid_set()
with an EtherType argument.
This is a preparation for QinQ support, that needs to push a PVID with
802.1ad EtherType.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
By default, the device considers both 802.1ad and 802.1q packets as tagged,
but this is not supported by the driver. It only supports VLAN and bridge
devices that use 802.1q protocol.
Instead, configure the device to only treat 802.1q packets as tagged
packets.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
et_vlan field is used to configure which EtherType is used when VLAN is
pushed at ingress (for untagged packets or for QinQ push mode).
It will be used to configure tagging with ether_type1 (i.e., 0x88A8) for
QinQ mode.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
SPVC configures the port to identify packets as untagged / single tagged /
double tagged packets based on the packet EtherTypes.
It will be used to classify 802.1q packets as untagged and 802.1ad packets
as tagged when received by ports member in a 802.1ad bridge.
Signed-off-by: Amit Cohen <amcohen@nvidia.com>
Reviewed-by: Petr Machata <petrm@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Bellow HNAE3_DEVICE_VERSION_V3, MAC pause mode just support one
TC, when enabled multiple TCs, force enable PFC mode.
HNAE3_DEVICE_VERSION_V3 can support MAC pause mode on multiple
TCs, so when enable multiple TCs, just keep MAC pause mode,
and enable PFC mode just according to the user settings.
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For the device whose version is above V3(include V3), the hardware
can do checksum offload for the non-tunnel udp packet, who has
a dest port as the IANA assigned. So add a check for devcie's verion
in hns3_tunnel_csum_bug().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Since TX hardware checksum and RX completion checksum have been
supported now, so add related information in hns3_dbg_bd_info().
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For the device who has the capability to handle udp tunnel
checksum segmentation, add support for it.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Currently, device V1 and V2 do not support segmentation
offload for UDP based tunnel packet who needs outer UDP
checksum offload, so there is a workaround in the driver
to set the checksum of the outer UDP checksum as zero. This
is not what the user wants, so remove this feature for
device V1 and V2, add support for it later(when the device
has the ability to do that).
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For the device that supports TX hardware checksum, the hardware
can calculate the checksum from the start and fill the checksum
to the offset position, which reduces the operations of
calculating the type and header length of L3/L4. So add this
feature for the HNS3 ethernet driver.
The previous simple BD description is unsuitable, rename it as
HW TX CSUM.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In some cases (for example ip fragment), hardware will
calculate the checksum of whole packet in RX, and setup
the HNS3_RXD_L2_CSUM_B flag in the descriptor, so add
support to utilize this checksum.
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
The CNIC kconfig symbol selects UIO and UIO depends on MMU.
Since 'select' does not follow dependency chains, add the same MMU
dependency to CNIC.
Quietens this kconfig warning:
WARNING: unmet direct dependencies detected for UIO
Depends on [n]: MMU [=n]
Selected by [m]:
- CNIC [=m] && NETDEVICES [=y] && ETHERNET [=y] && NET_VENDOR_BROADCOM [=y] && PCI [=y] && (IPV6 [=m] || IPV6 [=m]=n)
Fixes: adfc5217e9db ("broadcom: Move the Broadcom drivers")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Cc: Rasesh Mody <rmody@marvell.com>
Cc: GR-Linux-NIC-Dev@marvell.com
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Link: https://lore.kernel.org/r/20201129070843.3859-1-rdunlap@infradead.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
TX completions received with an error return code are not
being processed properly. When an error code is seen, do not
proceed to the next completion before cleaning up the existing
entry's data structures.
Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ensure that received Subordinate Command-Response Queue (SCRQ)
entries are properly read in order by the driver. These queues
are used in the ibmvnic device to process RX buffer and TX completion
descriptors. dma_rmb barriers have been added after checking for a
pending descriptor to ensure the correct descriptor entry is checked
and after reading the SCRQ descriptor to ensure the entire
descriptor is read before processing.
Fixes: 032c5e82847a ("Driver for IBM System i/p VNIC protocol")
Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'linux-can-fixes-for-5.10-20201130' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2020-11-30
The first patch is by me an target the tcan4x5x bindings for the m_can driver.
It fixes the error path in the tcan4x5x_can_probe() function.
The next two patches are by Jeroen Hofstee and makes the lost of arbitration
error counters of sja1000 and the sun4i drivers consistent with the other
drivers.
Zhang Qilong contributes two patch that clean up the error path in the c_can
and kvaser_pciefd drivers.
* tag 'linux-can-fixes-for-5.10-20201130' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can:
can: kvaser_pciefd: kvaser_pciefd_open(): fix error handling
can: c_can: c_can_power_up(): fix error handling
can: sun4i_can: sun4i_can_err(): don't count arbitration lose as an error
can: sja1000: sja1000_err(): don't count arbitration lose as an error
can: m_can: tcan4x5x_can_probe(): fix error path: remove erroneous clk_disable_unprepare()
====================
Link: https://lore.kernel.org/r/20201130125307.218258-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'linux-can-next-for-5.11-20201130' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next
Marc Kleine-Budde says:
====================
pull-request: can-next 2020-11-30
Gustavo A. R. Silva's patch for the pcan_usb driver fixes fall-through warnings
for Clang.
The next 5 patches target the mcp251xfd driver and are by Ursula Maplehurst and
me. They optimizie the TEF and RX path by reducing number of SPI core requests
to set the UINC bit.
The remaining 8 patches target the m_can driver. The first 4 are various
cleanups for the SPI binding driver (tcan4x5x) by Sean Nyekjaer, Dan Murphy and
me. Followed by 4 cleanup patches by me for the m_can and m_can_platform
driver.
* tag 'linux-can-next-for-5.11-20201130' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can-next:
can: m_can: m_can_class_unregister(): move right after m_can_class_register()
can: m_can: m_can_plat_remove(): remove unneeded platform_set_drvdata()
can: m_can: remove not used variable struct m_can_classdev::freq
can: m_can: Kconfig: convert the into menu
can: tcan4x5x: tcan4x5x_can_probe(): remove probe failed error message
can: tcan4x5x: remove mram_start and reg_offset from struct tcan4x5x_priv
can: tcan4x5x: rename parse_config() function
can: tcan4x5x: tcan4x5x_clear_interrupts(): remove redundant return statement
can: mcp251xfd: tef-path: reduce number of SPI core requests to set UINC bit
can: mcp251xfd: move struct mcp251xfd_tef_ring definition
can: mcp251xfd: struct mcp251xfd_priv::tef to array of length 1
can: mcp25xxfd: rx-path: reduce number of SPI core requests to set UINC bit
can: mcp251xfd: mcp25xxfd_ring_alloc(): add define instead open coding the maximum number of RX objects
can: pcan_usb_core: fix fall-through warnings for Clang
====================
Link: https://lore.kernel.org/r/20201130141432.278219-1-mkl@pengutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
While vxlan doesn't need any extra tailroom, the lowerdev might need it. In
that case, copy it over to reduce the chance for additional (re)allocations
in the transmit path.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Link: https://lore.kernel.org/r/20201126125247.1047977-2-sven@narfation.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
It was observed that sending data via batadv over vxlan (on top of
wireguard) reduced the performance massively compared to raw ethernet or
batadv on raw ethernet. A check of perf data showed that the
vxlan_build_skb was calling all the time pskb_expand_head to allocate
enough headroom for:
min_headroom = LL_RESERVED_SPACE(dst->dev) + dst->header_len
+ VXLAN_HLEN + iphdr_len;
But the vxlan_config_apply only requested needed headroom for:
lowerdev->hard_header_len + VXLAN6_HEADROOM or VXLAN_HEADROOM
So it completely ignored the needed_headroom of the lower device. The first
caller of net_dev_xmit could therefore never make sure that enough headroom
was allocated for the rest of the transmit path.
Cc: Annika Wickert <annika.wickert@exaring.de>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Tested-by: Annika Wickert <aw@awlnx.space>
Link: https://lore.kernel.org/r/20201126125247.1047977-1-sven@narfation.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
there is kernel panic in inet_twsk_free() while chtls
module unload when socket is in TIME_WAIT state because
sk_prot_creator was not preserved on connection socket.
Fixes: cc35c88ae4db ("crypto : chtls - CPL handler definition")
Signed-off-by: Udai Sharma <udai.sharma@chelsio.com>
Signed-off-by: Vinay Kumar Yadav <vinay.yadav@chelsio.com>
Link: https://lore.kernel.org/r/20201125214913.16938-1-vinay.yadav@chelsio.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
