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For making the code more readable, this patch uses a array to
keep the information about the dumping register, and then uses
it to parse the parameter cmd_buf which passing into
hclge_dbg_dump_reg_cmd().
Also replaces parameter "base" of kstrtouint with 0 in the
hclge_dbg_dump_reg_common(), which makes it more flexible.
Signed-off-by: Zhongzhu Liu <liuzhongzhu@huawei.com>
Signed-off-by: Guangbin Huang <huangguangbin2@huawei.com>
Signed-off-by: Huazhong Tan <tanhuazhong@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Starting with firmware version MC10.18.0, we have support for
L2 flow control. Asymmetrical configuration (Rx or Tx only) is
supported, but not pause frame autonegotioation.
Pause frame configuration is done via ethtool. By default, we start
with flow control enabled on both Rx and Tx. Changes are propagated
to hardware through firmware commands, using two flags (PAUSE,
ASYM_PAUSE) to specify Rx and Tx pause configuration, as follows:
PAUSE | ASYM_PAUSE | Rx pause | Tx pause
----------------------------------------
0 | 0 | disabled | disabled
0 | 1 | disabled | enabled
1 | 0 | enabled | enabled
1 | 1 | enabled | disabled
The hardware can automatically send pause frames when the number
of buffers in the pool goes below a predefined threshold. Due to
this, flow control is incompatible with Rx frame queue taildrop
(both mechanisms target the case when processing of ingress
frames can't keep up with the Rx rate; for large frames, the number
of buffers in the pool may never get low enough to trigger pause
frames as long as taildrop is enabled). So we set pause frame
generation and Rx FQ taildrop as mutually exclusive.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Whenever a link state change occurs, we get notified and save
the new link settings in the device's private data. In ethtool
get_link_ksettings, use the stored state instead of interrogating
the firmware each time.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We only support fixed-link for now, so there is no point in
offering users the option to change link settings via ethtool.
Functionally there is no change, since firmware prevents us from
changing link parameters anyway.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On Spectrum-1, timestamped PTP packets and the corresponding timestamps need to
be kept in caches until both are available, at which point they are matched up
and packets forwarded as appropriate. However, not all packets will ever see
their timestamp, and not all timestamps will ever see their packet. It is
necessary to dispose of such abandoned entries, so a garbage collector was
introduced in commit 5d23e4159772 ("mlxsw: spectrum: PTP: Garbage-collect
unmatched entries").
If these GC events happen often, it is a sign of a problem. However because this
whole mechanism is taking place behind the scenes, there is no direct way to
determine whether garbage collection took place.
Therefore to fix this, on Spectrum-1 only, expose four artificial ethtool
counters for the GC events: GCd timestamps and packets, in TX and RX directions.
Cc: Richard Cochran <richardcochran@gmail.com>
Signed-off-by: Petr Machata <petrm@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The new version supports extended error reporting from firmware via a
new TLV in the EMAD packet. Similar to netlink extended ack.
It also fixes an issue in the PCI code that can result in false AER
errors under high Tx rate.
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After 50G-1-lane and 100G-2-lanes link modes were introduced, the driver
is facing situations in which the hardware auto negotiates not only on
speed and type, but also on number of lanes.
Prevent auto negotiation on number of lanes by allowing only port speeds
that can be supported on a given port according to its width.
Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 275e928f1911 ("mlxsw: spectrum: Prevent force of 56G") prevented
the driver from setting a speed of 56G when auto-negotiation is off.
This is the only speed supported by mlxsw that cannot be set when
auto-negotiation is off, which makes it difficult to write generic
tests.
Further, the speed is not supported by newer ASICs such as Spectrum-2
and to the best of our knowledge it is not used by current users.
Therefore, remove 56G support from mlxsw.
Signed-off-by: Amit Cohen <amitc@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Some ethernet drivers may call phy_start() and phy_stop() from
ndo_open() and ndo_close() respectively.
When network cable is unconnected, and operate like below:
step 1: ifconfig ethX up -> ndo_open -> phy_start ->start
autoneg, and phy is no link.
step 2: ifconfig ethX down -> ndo_close -> phy_stop -> just stop
phy state machine.
This patch forces phy suspend even phydev->link is off.
Signed-off-by: Jian Shen <shenjian15@huawei.com>
Reviewed-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Jeff Kirsher says:
====================
100GbE Intel Wired LAN Driver Updates 2019-08-26
This series contains updates to ice driver only.
Usha fixes the statistics reported on 4 port NICs which were reporting
the incorrect statistics due to using the incorrect port identifier.
Victor fixes an issue when trying to traverse to the first node of a
requested layer by adding a sibling head pointer for each layer per
traffic class.
Anirudh cleans up the locking and logic for enabling and disabling
VSI's to make it more consistent. Updates the driver to do dynamic
allocation of queue management bitmaps and arrays, rather than
statically allocating them which consumes more memory than required.
Refactor the logic in ice_ena_msix_range() for clarity and add
additional checks for when requested resources exceed what is available.
Jesse updates the debugging print statements to make it more useful when
dealing with link and PHY related issues.
Krzysztof adds a local variable to the VSI rebuild path to improve
readability.
Akeem limits the reporting of MDD events from VFs so that the kernel
log is not clogged up with MDD events which are duplicate or potentially
false positives. Fixed a reset issue that would result in the system
getting into a state that could only be resolved by a reboot by
testing if the VF is in a disabled state during a reset.
Michal adds a check to avoid trying to access memory that has not be
allocated by checking the number of queue pairs.
Jake fixes a static analysis warning due to a cast of a u8 to unsigned
long, so just update ice_is_tc_ena() to take a unsigned long so that a
cast is not necessary.
Colin Ian King fixes a potential infinite loop where a u8 is being
compared to an int.
Maciej refactors the queue handling functions that work on queue arrays
so that the logic can be done for a single queue.
Paul adds support for VFs to enable and disable single queues.
Henry fixed the order of operations in ice_remove() which was trying to
use adminq operations that were already disabled.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use devm_platform_ioremap_resource() to simplify the code a bit.
This is detected by coccinelle.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Variable result is being assigned a value that is never read and result
is being re-assigned a little later on. The assignment is redundant
and hence can be removed.
Addresses-Coverity: ("Ununsed value")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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EHL DW EQOS is running on a 200MHz clock. Setting up stmmac-clk,
ptp clock and ptp_max_adj to 200MHz.
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added EHL RGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added TGL SGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Added EHL SGMII 1Gbps PCI ID. Different MII and speed will have
different PCI ID.
Signed-off-by: Voon Weifeng <weifeng.voon@intel.com>
Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Currently we support SERDES on the Topaz family in a limited way: no
IRQs and the cmode is not writable, thus the mode is determined by
strapping pins.
Marvell's examples though show how to make cmode writable on port 5 and
support SGMII autonegotiation. It is done by writing hidden registers,
for which we already have code.
This patch adds support for making the cmode for the SERDES port
writable on the Topaz family, via a new chip operation,
.port_set_cmode_writable, which is called from mv88e6xxx_port_setup_mac
just before .port_set_cmode.
SERDES IRQs are also enabled for Topaz.
Tested on Turris Mox.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a cosmetic update. We are removing the last underscore from
macros MV88E6XXX_PORT_STS_CMODE_100BASE_X and
MV88E6XXX_PORT_STS_CMODE_1000BASE_X. The 2500base-x version does not
have that underscore. Also PHY_INTERFACE_MODE_ macros do not have it
there.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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By adding an additional serdes_get_lane implementation (for Topaz), we
can merge the implementations of other SERDES functions (powering and
IRQs). We can skip checking port numbers, since the serdes_get_lane()
methods inform if there is no lane on a port or if the lane cannot be
used for given cmode.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Create a serdes_get_lane() method in the mv88e6xxx operations structure.
Use it instead of calling the different implementations.
Also change the methods so that their return value is used only for
error. The lane number is put into a place referred to by a pointer
given as argument. If the port does not have a lane, return -ENODEV.
Lanes are phy addresses, so use u8 as their type.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Vivien Didelot <vivien.didelot@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch moves the functions operating on the hidden debug registers
into it's own file, port_hidden.c. The functions prefix is renamed from
mv88e6390_hidden_ to mv88e6xxx_port_hidden_, to be consistent with the
rest of this driver. The macros are prefixed with MV88E6XXX_ prefix, and
are changed not to use the BIT() macro nor bit shifts, since the rest of
the port.h file does not use it.
We also add the support for setting the Block Address field when
operating hidden registers. Marvell's mdio examples for SERDES settings
on Topaz use Block Address 0x7 when reading/writing hidden registers,
and although the specification says that block must be set to 0xf, those
settings are reachable only with Block Address 0x7.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The mv88e6390_serdes_irq_link_sgmii IRQ handler reads the SERDES PHY
status register to determine speed, among other things. If cmode of the
port is set to 2500base-x, though, the PHY still reports 1000 Mbps (the
PHY register itself does not differentiate between 1000 Mbps and 2500
Mbps - it thinks it is running at 1000 Mbps, although clock is 2.5x
faster).
Look at the cmode and set SPEED_2500 if cmode is set to 2500base-x.
Also tell mv88e6xxx_port_setup_mac the PHY interface mode corresponding
to current cmode in terms of phy_interface_t.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Vivien Didelot <vivien.didelot@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes gcc '-Wunused-but-set-variable' warning:
drivers/net/ethernet/mediatek/mtk_eth_soc.c: In function mtk_handle_irq:
drivers/net/ethernet/mediatek/mtk_eth_soc.c:1951:6: warning: variable status set but not used [-Wunused-but-set-variable]
Fixes: 296c9120752b ("net: ethernet: mediatek: Add MT7628/88 SoC support")
Signed-off-by: Mao Wenan <maowenan@huawei.com>
Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The switch barely supports traffic I/O, and it does that by repurposing
VLANs when there is no bridge that is taking control of them.
Letting DSA declare this netdev feature as supported (see
dsa_slave_create) would mean that VLAN sub-interfaces created on sja1105
switch ports will be hardware offloaded. That means that
net/8021q/vlan_core.c would install the VLAN into the filter tables of
the switch, potentially interfering with the tag_8021q VLANs.
We need to prevent that from happening and not let the 8021q core
offload VLANs to the switch hardware tables. In vlan_filtering=0 modes
of operation, the switch ports can pass through VLAN-tagged frames with
no problem.
Suggested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* Re-add SGMII support but now with PHYLINK API support
So the SGMII changes are more clear
* Move SGMII block setup from mtk_gmac_sgmii_path_setup() to
mtk_mac_config()
* Merge mtk_setup_hw_path() into mtk_mac_config()
* Remove mediatek,physpeed property, fixed-link supports now any speed so
speed = <2500>; is now valid with PHYLINK
* Demagic SGMII register values
* Use phylink state to setup fixed-link mode
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This convert the basics to PHYLINK API.
SGMII support is not in this patch.
Signed-off-by: René van Dorst <opensource@vdorst.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Minor conflict in r8169, bug fix had two versions in net
and net-next, take the net-next hunks.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull MFD fix from Lee Jones:
"Identify potentially unused functions in rk808 driver when !PM"
* tag 'mfd-fixes-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd:
mfd: rk808: Make PM function declaration static
mfd: rk808: Mark pm functions __maybe_unused
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Pull networking fixes from David Miller:
1) Use 32-bit index for tails calls in s390 bpf JIT, from Ilya
Leoshkevich.
2) Fix missed EPOLLOUT events in TCP, from Eric Dumazet. Same fix for
SMC from Jason Baron.
3) ipv6_mc_may_pull() should return 0 for malformed packets, not
-EINVAL. From Stefano Brivio.
4) Don't forget to unpin umem xdp pages in error path of
xdp_umem_reg(). From Ivan Khoronzhuk.
5) Fix sta object leak in mac80211, from Johannes Berg.
6) Fix regression by not configuring PHYLINK on CPU port of bcm_sf2
switches. From Florian Fainelli.
7) Revert DMA sync removal from r8169 which was causing regressions on
some MIPS Loongson platforms. From Heiner Kallweit.
8) Use after free in flow dissector, from Jakub Sitnicki.
9) Fix NULL derefs of net devices during ICMP processing across
collect_md tunnels, from Hangbin Liu.
10) proto_register() memory leaks, from Zhang Lin.
11) Set NLM_F_MULTI flag in multipart netlink messages consistently,
from John Fastabend.
* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (66 commits)
r8152: Set memory to all 0xFFs on failed reg reads
openvswitch: Fix conntrack cache with timeout
ipv4: mpls: fix mpls_xmit for iptunnel
nexthop: Fix nexthop_num_path for blackhole nexthops
net: rds: add service level support in rds-info
net: route dump netlink NLM_F_MULTI flag missing
s390/qeth: reject oversized SNMP requests
sock: fix potential memory leak in proto_register()
MAINTAINERS: Add phylink keyword to SFF/SFP/SFP+ MODULE SUPPORT
xfrm/xfrm_policy: fix dst dev null pointer dereference in collect_md mode
ipv4/icmp: fix rt dst dev null pointer dereference
openvswitch: Fix log message in ovs conntrack
bpf: allow narrow loads of some sk_reuseport_md fields with offset > 0
bpf: fix use after free in prog symbol exposure
bpf: fix precision tracking in presence of bpf2bpf calls
flow_dissector: Fix potential use-after-free on BPF_PROG_DETACH
Revert "r8169: remove not needed call to dma_sync_single_for_device"
ipv6: propagate ipv6_add_dev's error returns out of ipv6_find_idev
net/ncsi: Fix the payload copying for the request coming from Netlink
qed: Add cleanup in qed_slowpath_start()
...
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Avoids:
../drivers/mfd/rk808.c:771:1: warning: symbol 'rk8xx_pm_ops' \
was not declared. Should it be static?
Fixes: 5752bc4373b2 ("mfd: rk808: Mark pm functions __maybe_unused")
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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The order of operations was incorrect in ice_remove(). The code would
try to use adminq operations after the adminq was disabled. This caused
all adminq calls to fail and possibly timeout waiting.
Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The current implementation of ice_ena_msix_range is difficult to read
and has subtle issues. This patch reworks the said function for
clarity and correctness.
More specifically,
1. Add more checks to bail out of 'needed' is greater than 'v_left'.
2. Simplify fallback logic
3. Do not set pf->num_avail_sw_msix in ice_ena_msix_range as it
gets overwritten by ice_init_interrupt_scheme.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes a critical reset issue that resulting to the server
reboot when an Admin changes VF configuration on the host, for example
changing VF to Trusted/non_Trusted mode, the PF driver send reset
notification to AVF driver while also continue with reset flow. However,
AVF driver schedule another reset due to notification, which causes two
concurrent reset going on, and trigger lock up in the FW, with AQ call to
delete VSI.
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The total number of queues available on the device is divided between
multiple physical functions (PF) in the firmware and provided to the
driver when it gets function capabilities from the firmware. Thus
each PF knows how many Tx/Rx queues it has. These queues are then
doled out to different VSIs (for LAN traffic, SR-IOV VF traffic, etc.)
To track usage of these queues at the PF level, the driver uses two
bitmaps avail_txqs and avail_rxqs. At the VSI level (i.e. struct ice_vsi
instances) the driver uses two arrays txq_map and rxq_map, to track
ownership of VSIs' queues in avail_txqs and avail_rxqs respectively.
The aforementioned bitmaps and arrays should be allocated dynamically,
because the number of queues supported by a PF is only available once
function capabilities have been queried. The current static allocation
consumes way more memory than required.
This patch removes the DECLARE_BITMAP for avail_txqs and avail_rxqs
and instead uses bitmap_zalloc to allocate the bitmaps during init.
Similarly txq_map and rxq_map are now allocated in ice_vsi_alloc_arrays.
As a result ICE_MAX_TXQS and ICE_MAX_RXQS defines are no longer needed.
Also as txq_map and rxq_map are now allocated and freed, some code
reordering was required in ice_vsi_rebuild for correct functioning.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The VF driver can call VIRTCHNL_OP_[ENABLE|DISABLE]_QUEUES separately
for each queue. Add support for virtchnl_queue_select.[tx|rx]_queues
bitmap which is used to indicate which queues to enable and disable.
Add tracing of VF Tx/Rx per queue enable state to avoid enabling enabled
queues and disabling disabled queues. Add total queues enabled count and
clear ICE_VF_STATE_QS_ENA when count is zero.
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Peng Huang <peng.huang@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The newly added suspend/resume functions are only used if CONFIG_PM
is enabled:
drivers/mfd/rk808.c:752:12: error: 'rk8xx_resume' defined but not used [-Werror=unused-function]
drivers/mfd/rk808.c:732:12: error: 'rk8xx_suspend' defined but not used [-Werror=unused-function]
Mark them as __maybe_unused so the compiler can silently drop them
when they are not needed.
Fixes: 586c1b4125b3 ("mfd: rk808: Add RK817 and RK809 support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
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Refactor the queue handling functions that are going through queue
arrays in a way that the logic done for a single queue is pulled out and
it will be called for each ring when traversing ring array. This implies
that when disabling Tx rings we won't fill up q_ids, q_teids and
q_handles arrays. Drop also 'offset' parameter; the value from vsi's
txq_map is stored in ring->reg_idx and that drops the need for mentioned
parameter. Introduce the ice_vsi_cfg_txq, ice_vsi_stop_tx_ring and
ice_vsi_ctrl_rx_ring that are the functions with pulled out logic.
There's several Tx queue meta data (q_id, q_handle, q_teid and other)
that need to be set up during Tx queue disablement, so let's as well add
a helper structure that wraps it up and a function that will be filling
it up.
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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The loop counter of a for-loop is a u8 however this is being compared
to an int upper bound and this can lead to an infinite loop if the
upper bound is greater than 255 since the loop counter will wrap back
to zero. Fix this potential issue by making the loop counter an int.
Addresses-Coverity: ("Infinite loop")
Fixes: c7aeb4d1b9bf ("ice: Disable VFs until reset is completed")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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ice_is_tc_ena is used to check whether a given traffic class is
enabled. Because there are only 8 traffic classes, the function took
a u8 bitmap. This causes problems because it is cast to an unsigned
long causing a static analysis warning regarding Out-of-bounds read.
Fix this by simply updating ice_is_tc_ena to take an unsigned long.
Passing a u8 to this function should implicitly convert the value.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Check num_queue_pairs to avoid access to unallocated field of
vsi->tx_rings/vsi->rx_rings. Without this validation we can set
vsi->alloc_txq/vsi->alloc_rxq to value smaller than ICE_MAX_BASE_QS_PER_VF
and send this command with num_queue_pairs greater than
vsi->alloc_txq/vsi->alloc_rxq. This lead to access to unallocated memory.
In VF vsi alloc_txq and alloc_rxq should be the same. Get minimum
because looks more readable.
Also add validation for ring_len param. It should be greater than 32 and
be multiple of 32. Incorrect value leads to hang traffic on PF.
Signed-off-by: Michal Swiatkowski <michal.swiatkowski@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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In case of MDD events on VF, don't clog kernel log with unlimited VF MDD
events message "VF 0 has had 1018 MDD events since last boot" - limit
events log message to 30, based on the observation in some experimentation
with sending malicious packet once, and number of events reported before
device stopped observing MDD events.
Also removed defunct macro "ICE_DFLT_NUM_MDD_EVENTS_ALLOWED" for tracking
number of MDD events allowed before disabling the interface...
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When a VSI is accessed inside the ice_for_each_vsi macro in the rebuild
path (ice_vsi_rebuild_all() and ice_vsi_replay_all()), it is referred to
as pf->vsi[i]. Introduce local variables to improve readability.
Signed-off-by: Krzysztof Kazimierczak <krzysztof.kazimierczak@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add some verbose debugging for dyndbg to help us when
we are having issues with link and/or PHY.
While there, shorten some strings used by locals that
were causing long line wrapping.
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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1. ndo_open and ndo_stop are implemented by ice_open and ice_stop
respectively. When enabling/disabling VSIs, just call
ice_open/ice_stop instead of ndo_open/ndo_stop.
2. Rework logic around rtnl_lock/rtnl_unlock
3. In ice_ena_vsi, remove an unnecessary stack variable and return
0 instead of err when __ICE_NEEDS_RESTART is not set.
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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There was a bug in the previous code which never traverses all the
children to get the first node of the requested layer. Add a sibling
head pointer to point the first node of each layer per TC. This helps
traverse easier and quicker and also removes the recursion.
Signed-off-by: Victor Raj <victor.raj@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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This patch fixes the issue where port and PFC statistics counters are
incrementing at the wrong port with 4x25G cards.
Read the GLPRT port registers using lport parameter instead of pf_id to
update the statistics otherwise the pf_ids are flipped for ports 2 and 3
when read from the HW register PF_FUNC_RID and this is expected as per
hardware specification.
Signed-off-by: Usha Ketineni <usha.k.ketineni@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Zhongzhu Liu
Ioana Radulescu
Petr Machata
Ido Schimmel
Shalom Toledo
Amit Cohen
Jian Shen
David S. Miller
YueHaibing
Colin Ian King
Voon Weifeng
Marek Behún
Mao Wenan
Vladimir Oltean
René van Dorst
Linus Torvalds
Lee Jones
Henry Tieman
Anirudh Venkataramanan
Akeem G Abodunrin
Paul Greenwalt
Arnd Bergmann
Maciej Fijalkowski
Jacob Keller
Michal Swiatkowski
Krzysztof Kazimierczak
Jesse Brandeburg
Victor Raj
Usha Ketineni