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This is a cosmetic patch that replaces the link speed numbers used in
the driver with the corresponding ethtool macros.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Suggested-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Based on review, `lock' is only acquired in hwbm_pool_add() which is
invoked via ->probe(), ->resume() and ->ndo_change_mtu(). Based on this
the lock can become a mutex and there is no need to disable interrupts
during the procedure.
Now that the lock is a mutex, hwbm_pool_add() no longer invokes
hwbm_pool_refill() in an atomic context so we can pass GFP_KERNEL to
hwbm_pool_refill() and remove the `gfp' argument from hwbm_pool_add().
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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tg3_alloc_rx_data() uses netdev_alloc_frag() for skb allocation. All
callers of tg3_alloc_rx_data() either hold tp->lock (which is held with
BH disabled) or run in NAPI context.
Use napi_alloc_frag() for skb allocations.
Cc: Siva Reddy Kallam <siva.kallam@broadcom.com>
Cc: Prashant Sreedharan <prashant@broadcom.com>
Cc: Michael Chan <mchan@broadcom.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SKB allocation via bnx2x_frag_alloc() is always performed in NAPI
context. Preemptible context passes GFP_KERNEL and bnx2x_frag_alloc()
uses then __get_free_page() for the allocation.
Use napi_alloc_frag() for memory allocation.
Cc: Ariel Elior <aelior@marvell.com>
Cc: Sudarsana Kalluru <skalluru@marvell.com>
Cc: GR-everest-linux-l2@marvell.com
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The driver is using netdev_alloc_frag() for allocation in the
->ndo_start_xmit() path. That one is always invoked in a BH disabled
region so we could also use napi_alloc_frag().
Use napi_alloc_frag() for skb allocation.
Cc: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Acked-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to the comment, the preempt_disable() statement is required
due to synchronisation in napi_alloc_frag(). The awful truth is that
local_bh_disable() is required because otherwise the NAPI poll callback
can be invoked while the open function setup buffers. This isn't
unlikely since the dpaa2 provides multiple devices.
The usage of napi_alloc_frag() has been removed in commit
27c874867c4e9 ("dpaa2-eth: Use a single page per Rx buffer")
which means that the comment is not accurate and the preempt_disable()
statement is not required.
Remove the outdated comment and the no longer required
preempt_disable().
Cc: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Acked-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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sfp_check_state can potentially be called by both a threaded IRQ handler
and delayed work. If it is concurrently called, it could result in
incorrect state management. Add a st_mutex to protect the state - this
lock gets taken outside of code that checks and handle state changes, and
the existing sm_mutex nests inside of it.
Suggested-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SFP device polling can cause problems during the shutdown process if the
parent devices of the network controller have been shut down already.
This problem was seen on the iMX6 platform with PCIe devices, where
accessing the device after the bus is shut down causes a hang.
Free any acquired GPIO interrupts and stop all delayed work in the SFP
driver during the shutdown process, so that we ensure that no pending
operations are still occurring after the SFP shutdown completes.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of these printk instances benefit from having both master and slave
device information included, so convert to using a standardized macro
format and remove redundant information.
Suggested-by: Joe Perches <joe@perches.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of these printk instances benefit from having both master and slave
device information included, so convert to using a standardized macro
format and remove redundant information.
Suggested-by: Joe Perches <joe@perches.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of these printk instances benefit from having both master and slave
device information included, so convert to using a standardized macro
format and remove redundant information.
Suggested-by: Joe Perches <joe@perches.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All of these printk instances benefit from having both master and slave
device information included, so convert to using a standardized macro
format and remove redundant information.
Suggested-by: Joe Perches <joe@perches.com>
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Passing the bond name again to debug output when referencing slave is wrong.
We're trying to set the bond's MAC to that of the new_active slave, so adjust
the error message slightly and pass in the slave's name, not the bond's.
Then we're trying to set the MAC on the old active slave, but putting the
new active slave's name in the output. While we're at it, clarify the
error messages so you know which one actually triggered.
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Seeing bonding debug log data along the lines of "event: 5" is a bit spartan,
and often requires a lookup table if you don't remember what every event is.
Make use of netdev_cmd_to_name for an improved debugging experience, so for
the prior example, you'll see: "bond_netdev_event received NETDEV_REGISTER"
instead (both are prefixed with the device for which the event pertains).
CC: Jay Vosburgh <j.vosburgh@gmail.com>
CC: Veaceslav Falico <vfalico@gmail.com>
CC: Andy Gospodarek <andy@greyhouse.net>
CC: netdev@vger.kernel.org
Signed-off-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dev_err() is more appropriate for printing error messages inside
drivers, so switch to dev_err().
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Spread initial IRQ affinity hints across the device node CPUs,
for nic queue and uld queue IRQs, to load balance and avoid
all interrupts on CPU0.
Signed-off-by: Nirranjan Kirubaharan <nirranjan@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes some coding style issues reported by some static code
analysis tools and code review, such as modify some comments, rename
some variables, log some errors in detail, and fixes some alignment
errors.
BTW, these cleanups do not change the logic of code.
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Peng Li <lipeng321@huawei.com>
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: HuiSong Li <lihuisong@huawei.com>
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>
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This patch deletes some redundant code and refactors some bloated
functions.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Yonglong Liu <liuyonglong@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to make it more readable, this patch modifies PF/VF's
RSS hash key configuring function.
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds some macros instead of magic numbers in serval places
Signed-off-by: Yufeng Mo <moyufeng@huawei.com>
Signed-off-by: Weihang Li <liweihang@hisilicon.com>
Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In order to improve readability, this patch uses macros to
replace some magic numbers, and adds some comments for some
others.
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>
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Since HNAE3_CLIENT_UNIC and HNAE3_DEV_UNIC is not used any more,
this patch removes the redundant codes.
Signed-off-by: Yonglong Liu <liuyonglong@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>
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We trigger PF reset when a RAS error of NIC named over_8bd_nfe_err
occurred before. But it is possible that a VF causes that error, it's
reasonable to trigger VF reset instead of PF reset in this case.
This patch add detection of vf_id if a over_8bd_nfe_err occurs, if
vf_id is 0, we trigger PF reset. Otherwise, we will trigger VF reset
on the VF with error.
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>
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This patch adds a new hns3_get_new_flow_lvl function to calculate
the packet flow level, which is used to decide the interrupt
coalescence parameter, in order to make the flow level calculation
code more readable and make the future calculation ajdustment easier.
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>
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This patch replaces numa_node_id with numa_mem_id when doing buffer
reusing checking, because the buffer still can be reused when the
buffer is from the nearest node and the local node has no memory
attached.
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>
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Currently when a GRO packet is assembled by HW, the checksum is
modified to reflect the entire packet by HW and skb->ip_summed is
set to CHECKSUM_UNNECESSARY, which is not compliant with SW GRO.
This patch sets up skb's network and transport header, sets the
GRO packet's checksum according to pseudo header and set the
skb->ip_summed to CHECKSUM_PARTIAL.
This patch also use gso_size to distinguish GRO packet from
normal packet, use eth_type_vlan to check the VLAN type and set
the SKB_GSO_TCP_FIXEDID according to BD info during HW GRO info
processing.
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>
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According to user manual, the maximum size of mailbox responding
data is 8 bytes, the macro HCLGE_MBX_MAX_RESP_DATA_SIZE
should be defined as 8 instead of 16.
Fixes: 9194d18b0577 ("net: hns3: fix the problem that the supported port is empty")
Signed-off-by: Zhongzhu Liu <liuzhongzhu@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>
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This patch logs detail error info of ROCEE ECC and AXI errors for
debug purpose, and remove unnecessary reset for ROCEE overflow
errors.
Signed-off-by: Xiaofei Tan <tanxiaofei@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some CPTS instances, which can be found on KeyStone 2 1G Ethernet Switch
Subsystems, can control an external multiplexer that selects one of up to
32 clocks as time sync reference (RFTCLK) clock. This feature can be
configured through CPTS_RFTCLK_SEL register (offset: x08) in CPTS module
and can be represented as multiplexer clock.
Hence, introduce support for optional cpts-refclk-mux clock, which, once
defined will allow to select required CPTS RFTCLK by using
assigned-clock-parents DT property in board files.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Allow to place CPTS properties in the child "cpts" DT node. For backward
compatibility - roll-back and read CPTS DT properties from parent node if
"cpts" node is not present.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_get_clk_from_child() instead of devm_clk_get() and this way allow
to group CPTS DT properties in sub-node for better code readability and
maintenance. Roll-back to devm_clk_get() if devm_get_clk_from_child()
fails for backward compatibility.
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Acked-by: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This enables the PTP support towards userspace applications such as
linuxptp.
The switches can timestamp only trapped multicast MAC frames, and
therefore only the profiles of 1588 over L2 are supported.
TX timestamping can be enabled per port, but RX timestamping is enabled
globally. As long as RX timestamping is enabled, the switch will emit
metadata follow-up frames that will be processed by the tagger. It may
be a problem that linuxptp does not restore the RX timestamping settings
when exiting.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Meta frame reception relies on the hardware keeping its promise that it
will send no other traffic towards the CPU port between a link-local
frame and a meta frame. Otherwise there is no other way to associate
the meta frame with the link-local frame it's holding a timestamp of.
The receive function is made stateful, and buffers a timestampable frame
until its meta frame arrives, then merges the two, drops the meta and
releases the link-local frame up the stack.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Without noticing any particular issue, this patch ensures that
management traffic is treated with the maximum priority on RX by the
switch. This is generally desirable, as the driver keeps a state
machine that waits for metadata follow-up frames as soon as a management
frame is received. Increasing the priority helps expedite the reception
(and further reconstruction) of the RX timestamp to the driver after the
MAC has generated it.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This will be used to keep state for RX timestamping. It is global
because the switch serializes timestampable and meta frames when
trapping them towards the CPU port (lower port indices have higher
priority) and therefore having one state machine per port would create
unnecessary complications.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This table is used to program the switch to emit "meta" follow-up
Ethernet frames (which contain partial RX timestamps) after each
link-local frame that was trapped to the CPU port through MAC filtering.
This includes PTP frames.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On TX, timestamping is performed synchronously from the
port_deferred_xmit worker thread.
In management routes, the switch is requested to take egress timestamps
(again partial), which are reconstructed and appended to a clone of the
skb that was just sent. The cloning is done by DSA and we retrieve the
pointer from the structure that DSA keeps in skb->cb.
Then these clones are enqueued to the socket's error queue for
application-level processing.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The design of this PHC driver is influenced by the switch's behavior
w.r.t. timestamping. It exposes two PTP counters, one free-running
(PTPTSCLK) and the other offset- and frequency-corrected in hardware
through PTPCLKVAL, PTPCLKADD and PTPCLKRATE. The MACs can sample either
of these for frame timestamps.
However, the user manual warns that taking timestamps based on the
corrected clock is less than useful, as the switch can deliver corrupted
timestamps in a variety of circumstances.
Therefore, this PHC uses the free-running PTPTSCLK together with a
timecounter/cyclecounter structure that translates it into a software
time domain. Thus, the settime/adjtime and adjfine callbacks are
hardware no-ops.
The timestamps (introduced in a further patch) will also be translated
to the correct time domain before being handed over to the userspace PTP
stack.
The introduction of a second set of PHC operations that operate on the
hardware PTPCLKVAL/PTPCLKADD/PTPCLKRATE in the future is somewhat
unavoidable, as the TTEthernet core uses the corrected PTP time domain.
However, the free-running counter + timecounter structure combination
will suffice for now, as the resulting timestamps yield a sub-50 ns
synchronization offset in steady state using linuxptp.
For this patch, in absence of frame timestamping, the operations of the
switch PHC were tested by syncing it to the system time as a local slave
clock with:
phc2sys -s CLOCK_REALTIME -c swp2 -O 0 -m -S 0.01
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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These are needed for the situation where the switch driver and the PTP
driver are both built as modules.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The incl_srcpt setting makes the switch mangle the destination MACs of
multicast frames trapped to the CPU - a primitive tagging mechanism that
works even when we cannot use the 802.1Q software features.
The downside is that the two multicast MAC addresses that the switch
traps for L2 PTP (01-80-C2-00-00-0E and 01-1B-19-00-00-00) quickly turn
into a lot more, as the switch encodes the source port and switch id
into bytes 3 and 4 of the MAC. The resulting range of MAC addresses
would need to be installed manually into the DSA master port's multicast
MAC filter, and even then, most devices might not have a large enough
MAC filtering table.
As a result, only limit use of incl_srcpt to when it's strictly
necessary: when under a VLAN filtering bridge. This fixes PTP in
non-bridged mode (standalone ports). Otherwise, PTP frames, as well as
metadata follow-up frames holding RX timestamps won't be received
because they will be blocked by the master port's MAC filter.
Linuxptp doesn't help, because it only requests the addition of the
unmodified PTP MACs to the multicast filter.
This issue is not seen in bridged mode because the master port is put in
promiscuous mode when the slave ports are enslaved to a bridge.
Therefore, there is no downside to having the incl_srcpt mechanism
active there.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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>From reading the P/Q/R/S user manual, it appears that TPID is used by
the switch for detecting S-tags and TPID2 for C-tags. Their meaning is
not clear from the E/T manual.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a cosmetic patch, pre-cursor to making another change to the
General Parameters Table (incl_srcpt) which does not logically pertain
to the sja1105_change_tpid function name, but not putting it there would
otherwise create a need of resetting the switch twice.
So simply move the existing code into the .port_vlan_filtering callback,
where the incl_srcpt change will be added as well.
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some ISDN files that got removed in net-next had some changes
done in mainline, take the removals.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) Free AF_PACKET po->rollover properly, from Willem de Bruijn.
2) Read SFP eeprom in max 16 byte increments to avoid problems with
some SFP modules, from Russell King.
3) Fix UDP socket lookup wrt. VRF, from Tim Beale.
4) Handle route invalidation properly in s390 qeth driver, from Julian
Wiedmann.
5) Memory leak on unload in RDS, from Zhu Yanjun.
6) sctp_process_init leak, from Neil HOrman.
7) Fix fib_rules rule insertion semantic change that broke Android,
from Hangbin Liu.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (33 commits)
pktgen: do not sleep with the thread lock held.
net: mvpp2: Use strscpy to handle stat strings
net: rds: fix memory leak in rds_ib_flush_mr_pool
ipv6: fix EFAULT on sendto with icmpv6 and hdrincl
ipv6: use READ_ONCE() for inet->hdrincl as in ipv4
Revert "fib_rules: return 0 directly if an exactly same rule exists when NLM_F_EXCL not supplied"
net: aquantia: fix wol configuration not applied sometimes
ethtool: fix potential userspace buffer overflow
Fix memory leak in sctp_process_init
net: rds: fix memory leak when unload rds_rdma
ipv6: fix the check before getting the cookie in rt6_get_cookie
ipv4: not do cache for local delivery if bc_forwarding is enabled
s390/qeth: handle error when updating TX queue count
s390/qeth: fix VLAN attribute in bridge_hostnotify udev event
s390/qeth: check dst entry before use
s390/qeth: handle limited IPv4 broadcast in L3 TX path
net: fix indirect calls helpers for ptype list hooks.
net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP_CSUM is set
udp: only choose unbound UDP socket for multicast when not in a VRF
net/tls: replace the sleeping lock around RX resync with a bit lock
...
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Pull rdma fixes from Jason Gunthorpe:
"Things are looking pretty quiet here in RDMA, not too many bug fixes
rolling in right now. The usual driver bug fixes and fixes for a
couple of regressions introduced in 5.2:
- Fix a race on bootup with RDMA device renaming and srp. SRP also
needs to rename its internal sys files
- Fix a memory leak in hns
- Don't leak resources in efa on certain error unwinds
- Don't panic in certain error unwinds in ib_register_device
- Various small user visible bug fix patches for the hfi and efa
drivers
- Fix the 32 bit compilation break"
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma:
RDMA/efa: Remove MAYEXEC flag check from mmap flow
mlx5: avoid 64-bit division
IB/hfi1: Validate page aligned for a given virtual address
IB/{qib, hfi1, rdmavt}: Correct ibv_devinfo max_mr value
IB/hfi1: Insure freeze_work work_struct is canceled on shutdown
IB/rdmavt: Fix alloc_qpn() WARN_ON()
RDMA/core: Fix panic when port_data isn't initialized
RDMA/uverbs: Pass udata on uverbs error unwind
RDMA/core: Clear out the udata before error unwind
RDMA/hns: Fix PD memory leak for internal allocation
RDMA/srp: Rename SRP sysfs name after IB device rename trigger
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Convert this driver to use the phylink API rather than the legacy PHY
API. This allows for better support for SFP modules connected using a
1000BaseX or SGMII interface.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently the axienet driver requires the use of a second devicetree
node, referenced by an axistream-connected attribute on the Ethernet
device node, which contains the resources for the AXI DMA block used by the
device. This setup is problematic for a use case we have where the Ethernet
and DMA cores are behind a PCIe to AXI bridge and the memory resources for
the nodes are injected into the platform devices using the multifunction
device subsystem - it's not easily possible for the driver to obtain the
platform-level resources from the linked device.
In order to simplify that usage model, and simplify the overall use of
this driver in general, allow for all of the resources to be kept on one
node where the resources are retrieved using platform device APIs rather
than device-tree-specific ones. The previous usage setup is still
supported if the axistream-connected attribute is specified.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This driver was previously using the parent node of the specified PHY
node as the device node to register the MDIO bus on. Andrew Lunn
pointed out this is wrong as the PHY node is potentially not even
underneath the MDIO bus for the current device instance. Find the MDIO
node explicitly by looking it up by name under the controller's device
node instead.
This could potentially break existing device trees if they don't use
"mdio" as the name for the MDIO bus, but I did not find any with various
searches and Xilinx's examples all use mdio as the name so it seems like
this should be relatively safe.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On some platforms, such as iMX6 with PCIe devices, crashes or hangs can
occur if the axienet device continues to perform DMA transfers after
parent devices/busses have been shut down. Shut down the axienet
interface during its shutdown callback in order to avoid this.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Failing initialization on a missing MAC address property is excessive.
We can just fall back to using a random MAC instead, which at least
leaves the interface in a functioning state.
Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Vladimir Oltean
Sebastian Andrzej Siewior
Robert Hancock
Jarod Wilson
Fabio Estevam
Nirranjan Kirubaharan
Weihang Li
Yufeng Mo
Jian Shen
Yonglong Liu
Yunsheng Lin
Zhongzhu Liu
Xiaofei Tan
Grygorii Strashko
David S. Miller
Linus Torvalds