Print message to inform user if unsupported module is inserted, and
extend the topology / configuration detection.
Signed-off-by: Paul Greenwalt <paul.greenwalt@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>
The VF_MBX_ARQLEN register array is per-PF, not global, so we should not
use the absolute VF ID as an index. Instead, use the per-PF VF ID.
This fixes an issue with VFs on PFs other than 0 not seeing reset.
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Without this check rebuild vsi can lead to kernel panic.
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>
Save state to correct recovery memory and I/O BARs address
after PCI bus reset. Without this after reset kernel can't
read device registers.
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>
Adjust ice_init_dcb to set the is_sw_lldp boolean
in the case where the FW has been detected to be
in an untenable state such that the driver
should forcibly make sure it is off.
This will ensure that the FW is in a known state.
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
As part of the driver unload flow, a PF reset is issued which may still
cause an interrupt to be generated by the device. Do not clear the
interrupt scheme until the reset is complete and there are no pending
transactions otherwise a hardware error may occur.
Signed-off-by: Bruce Allan <bruce.w.allan@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
If DCBx request non-contiguous TCs, then the driver will configure default
traffic class (TC0). This is done to prevent Tx hang since the driver
currently does not support non-contiguous TC.
Signed-off-by: Paul Greenwalt <paul.greenwalt@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>
The Boot Configuration Section Block has been moved to the Preserved Field
Area (PFA) of NVM. Update the NVM reads that involves Boot Configuration
Section.
Signed-off-by: Md Fahad Iqbal Polash <md.fahad.iqbal.polash@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>
Implement ethtool -m support to read eeprom data from SFP/QSFP modules.
Signed-off-by: Scott W Taylor <scott.w.taylor@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>
Eric Dumazet says:
====================
net: various KCSAN inspired fixes
This is a series of minor fixes, mostly dealing with
lockless accesses to socket 'sk_ack_backlog', 'sk_max_ack_backlog'
ane neighbour 'confirmed' fields.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
sk->sk_max_ack_backlog can be read without any lock being held
at least in TCP/DCCP cases.
We need to use READ_ONCE()/WRITE_ONCE() to avoid load/store tearing
and/or potential KCSAN warnings.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
sk->sk_ack_backlog can be read without any lock being held.
We need to use READ_ONCE()/WRITE_ONCE() to avoid load/store tearing
and/or potential KCSAN warnings.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Writers are holding a lock, but many readers do not.
Following patch will add appropriate barriers in
sk_acceptq_removed() and sk_acceptq_added().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are common instances of the following construct :
if (n->confirmed != now)
n->confirmed = now;
A C compiler could legally remove the conditional.
Use READ_ONCE()/WRITE_ONCE() to avoid this problem.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use jiffies_delta_to_msecs() to avoid reporting 'infinite'
timeouts and to cleanup code.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A difference of two unsigned long needs long storage.
Fixes: c7fb64db00 ("[NETLINK]: Neighbour table configuration and statistics via rtnetlink")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Added tests for u8/u32 clear value, u8/16 retain value, u16/32 invert value,
u8/u16/u32 preserve value and test for negative offsets.
Signed-off-by: Roman Mashak <mrv@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The netdevsim object is reused by all the tests, but the resource
tests puts it into a broken state (failed reload in a different
namespace). Make sure it's fixed up at the end of that test
otherwise subsequent tests fail.
Fixes: b74c37fd35 ("selftests: netdevsim: add tests for devlink reload with resources")
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>
Until now the size of a Rx buffer was artificially limited
to 1536B (which happens to be the default, after reset, hardware
value for a Rx buffer). This approach however leaves unused
memory space for Rx packets, since the driver uses a paged
allocation scheme that reserves half a page for each Rx skb.
There's also the inconvenience that frames around 1536 bytes
can get scattered if the limit is slightly exceeded. This limit
can be exceeded even for standard MTU of 1500B traffic, for common
cases like stacked VLANs, or DSA tags.
To address these issues, let's just compute the buffer size
starting from the upper limit of 2KB (half a page) and
subtract the skb overhead and alignment restrictions.
Signed-off-by: Claudiu Manoil <claudiu.manoil@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The function page_shift() is supported after the commit 94ad933810
("mm: introduce page_shift()").
So replace with page_shift() in ehea_is_hugepage() for readability.
Signed-off-by: Yunfeng Ye <yeyunfeng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This change adds support for xmit_more based on the igb commit 6f19e12f62
("igb: flush when in xmit_more mode and under descriptor pressure") and
commit 6b16f9ee89 ("net: move skb->xmit_more hint to softnet data") that
were made to igb to support this feature. The function netif_xmit_stopped
is called to check whether transmit queue on device is currently unable to
send to determine whether we must write the tail because we can add no
further buffers.
When normal packets and/or xmit_more packets fill up tx_desc, it is
necessary to trigger NIC tx reg.
Following the advice from David Miller and Jakub Kicinski, after the
xmit_more feature is added, the following scenario will occur.
|
xmit_more packets
|
DMA_MAPPING
|
DMA_MAPPING error check
|
xmit_more packets already in HW xmit queue
|
In the above scenario, if DMA_MAPPING error occurrs, the xmit_more packets
already in HW xmit queue will also be dropped. This is different from the
behavior before xmit_more feature. So it is necessary to trigger NIC HW tx
reg in the above scenario.
To the non-xmit_more packets, the above scenario will not occur.
Tested:
- pktgen (xmit_more packets) SMP x86_64 ->
Test command:
./pktgen_sample03_burst_single_flow.sh ... -b 8 -n 1000000
Test results:
Params:
...
burst: 8
...
Result: OK: 12194004(c12188996+d5007) usec, 1000001 (1500byte,0frags)
82007pps 984Mb/sec (984084000bps) errors: 0
- iperf (normal packets) SMP x86_64 ->
Test command:
Server: iperf -s
Client: iperf -c serverip
Result:
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-10.0 sec 1.10 GBytes 942 Mbits/sec
CC: Joe Jin <joe.jin@oracle.com>
CC: JUNXIAO_BI <junxiao.bi@oracle.com>
Reported-and-tested-by: Nan san <nan.1986san@gmail.com>
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski says:
====================
netdevsim: fix tests and netdevsim
The first patch fixes a merge which brought back some dead
code. Next a tiny re-write of the main test using netdevsim
aims to ease debugging.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Recent changes to netdevsim moved creating and destroying
devices from netlink to sysfs. The sysfs writes have been
implemented as direct writes, without shelling out. This
is faster, but leaves no trace in the logs. Add explicit
logs to make debugging possible.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Looks like the port adding loop makes a re-appearance on net-next
after net was merged back into it (even though it doesn't feature
in the merge diff).
The ports are already added in nsim_dev_create() so when we try
to add them again get EEXIST, and see:
netdevsim: probe of netdevsim0 failed with error -17
in the logs. When we remove the loop again the nsim_dev_probe()
and nsim_dev_remove() become a wrapper of nsim_dev_create() and
nsim_dev_destroy(). Remove this layer of indirection.
Fixes: d31e95585c ("Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net")
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>
First set of patches for 5.5. The most active driver here clearly is
rtw88, lots of patches for it. More quiet on other drivers, smaller
fixes and cleanups all over.
This pull request also has a trivial conflict, the report and example
resolution here:
https://lkml.kernel.org/r/20191031111242.50ab1eca@canb.auug.org.au
Major changes:
rtw88
* add deep power save support
* add mac80211 software tx queue (wake_tx_queue) support
* enable hardware rate control
* add TX-AMSDU support
* add NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 support
* add power tracking support
* add 802.11ac beamformee support
* add set_bitrate_mask support
* add phy_info debugfs to show Tx/Rx physical status
* add RFE type 3 support for 8822b
ath10k
* add support for hardware rfkill on devices where firmware supports it
rtl8xxxu
* add bluetooth co-existence support for single antenna
iwlwifi
* Revamp the debugging infrastructure
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Merge tag 'wireless-drivers-next-2019-11-05' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next
Kalle Valo says:
====================
wireless-drivers-next patches for 5.5
First set of patches for 5.5. The most active driver here clearly is
rtw88, lots of patches for it. More quiet on other drivers, smaller
fixes and cleanups all over.
This pull request also has a trivial conflict, the report and example
resolution here:
https://lkml.kernel.org/r/20191031111242.50ab1eca@canb.auug.org.au
Major changes:
rtw88
* add deep power save support
* add mac80211 software tx queue (wake_tx_queue) support
* enable hardware rate control
* add TX-AMSDU support
* add NL80211_EXT_FEATURE_CAN_REPLACE_PTK0 support
* add power tracking support
* add 802.11ac beamformee support
* add set_bitrate_mask support
* add phy_info debugfs to show Tx/Rx physical status
* add RFE type 3 support for 8822b
ath10k
* add support for hardware rfkill on devices where firmware supports it
rtl8xxxu
* add bluetooth co-existence support for single antenna
iwlwifi
* Revamp the debugging infrastructure
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- bump version strings, by Simon Wunderlich
- Simplify batadv_v_ogm_aggr_list_free using skb_queue_purge,
by Christophe Jaillet
- Replace aggr_list_lock with lock free skb handlers,
by Christophe Jaillet
- explicitly mark fallthrough cases, by Sven Eckelmann
- Drop lockdep.h include from soft-interface.c, by Sven Eckelmann
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Merge tag 'batadv-next-for-davem-20191105' 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
- Simplify batadv_v_ogm_aggr_list_free using skb_queue_purge,
by Christophe Jaillet
- Replace aggr_list_lock with lock free skb handlers,
by Christophe Jaillet
- explicitly mark fallthrough cases, by Sven Eckelmann
- Drop lockdep.h include from soft-interface.c, by Sven Eckelmann
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
ThinkPad Thunderbolt 3 Dock Gen 2 is another docking station that uses
RTL8153 based USB ethernet.
The device supports macpassthru, but it failed to pass the test of -AD,
-BND and -BD. Simply bypass these tests since the device supports this
feature just fine.
Also the ACPI objects have some differences between Dell's and Lenovo's,
so make those ACPI infos no longer hardcoded.
BugLink: https://bugs.launchpad.net/bugs/1827961
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Acked-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch implements reset_prepare and reset_done, which are used
for handling FLR.
Signed-off-by: Vishal Kulkarni <vishal@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sudarsana Reddy Kalluru says:
====================
bnx2x/cnic: Enable Multi-Cos.
The patch series enables Multi-cos feature in the driver. This require
the use of new firmware 7.13.15.0.
Patch (1) adds driver changes to use new FW.
Patches (2) - (3) enables multi-cos functionality in bnx2x driver.
Patch (4) adds cnic driver change as required by new FW.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The new FW has added extra validation for HSI version to
make FW backward compatible with older VF drivers. Hence
set fp_hsi_ver to Fast Path HSI version of the FW in use.
Signed-off-by: Manish Rangankar <mrangankar@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
PF driver doesn't enable tx-switching for all cos queues/clients,
which causes packets drop from PF to VF. Fix this by enabling
tx-switching on all cos queues/clients.
Signed-off-by: Manish Chopra <manishc@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
FW version 7.13.15 addresses the issue in Multi-cos implementation.
This patch re-enables the Multi-Cos support in the driver.
Fixes: d1f0b5dce8 ("bnx2x: Disable multi-cos feature.")
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 97a27d6d6e8d "bnx2x: Add FW 7.13.15.0" added said .bin FW to
linux-firmware tree. This FW addresses few important issues in the earlier
FW release.
This patch incorporates FW 7.13.15.0 in the bnx2x driver.
Signed-off-by: Sudarsana Reddy Kalluru <skalluru@marvell.com>
Signed-off-by: Ariel Elior <aelior@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pass a phy_interface_t to of_get_phy_mode(), by changing the type of
phy_mode in the device structure. This then requires that
zmii_attach() is also changes, since it takes a pointer to phy_mode.
Fixes: 0c65b2b90d ("net: of_get_phy_mode: Change API to solve int/unit warnings")
Reported-by: kbuild test robot <lkp@intel.com>
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Eric Dumazet says:
====================
net_sched: convert packet counters to 64bit
This small patch series add 64bit support for packet counts.
Fact that the counters were still 32bit has been quite painful.
tc -s -d qd sh dev eth0 | head -3
qdisc mq 1: root
Sent 665706335338 bytes 6526520373 pkt (dropped 2441, overlimits 0 requeues 91)
backlog 0b 0p requeues 91
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Now the kernel uses 64bit packet counters in scheduler layer,
we want to export these counters to user space.
Instead risking breaking user space by adding fields
to struct gnet_stats_basic, add a new TCA_STATS_PKT64.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
After this change, qdisc packet counter is no longer
a 32bit quantity. We still export 32bit values to user.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
gnet_stats_basic_packed was really meant to be private kernel structure.
If this proves to be a problem, we will have to rename the in-kernel
version.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Andrew Lunn says:
====================
mv88e6xxx ATU occupancy as devlink resource
This patchset add generic support to DSA for devlink resources. The
Marvell switch Address Translation Unit occupancy is then exported as
a resource. In order to do this, the number of ATU entries is added to
the per switch info structure. Helpers are added, and then the
resource itself is then added.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The ATU can report how many entries it contains. It does this per bin,
there being 4 bins in total. Export the ATU as a devlink resource, and
provide a method the needed callback to get the resource occupancy.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When retrieving the ATU statistics, and ATU get next has to be
performed to trigger the ATU to collect the statistics. Export a
helper from global1_atu to perform this.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
For each supported switch, add an entry to the info structure for the
number of MACs which can be stored in the ATU. This will later be used
to export the ATU as a devlink resource, and indicate its occupancy,
how full the ATU is.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add wrappers around the devlink resource API, so that DSA drivers can
register and unregister devlink resources.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Florian Fainelli says:
====================
net: dsa: bcm_sf2: Add support for optional reset controller line
This patch series definest the optional reset controller line for the
BCM7445/BCM7278 integrated Ethernet switches and updates the driver to
drive that reset line in lieu of the internal watchdog based reset since
it does not work on BCM7278.
Changes in v2:
- make the reset_control_assert() conditional to BCM7278 in the remove
function as well
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Grab an optional and exclusive reset controller line for the switch and
manage it during probe/remove functions accordingly. For 7278 devices we
change bcm_sf2_sw_rst() to use the reset controller line since the
WATCHDOG_CTRL register does not reset the switch contrary to stated
documentation.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
The BCM7445/BCM7278 built-in Ethernet switch have an optional reset line
to the SoC's reset controller, describe the 'resets' and 'reset-names'
properties as optional.
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The openvswitch was supporting a MPLS label depth of 1 in the ingress
direction though the userspace OVS supports a max depth of 3 labels.
This change enables openvswitch module to support a max depth of
3 labels in the ingress.
Signed-off-by: Martin Varghese <martin.varghese@nokia.com>
Acked-by: Pravin B Shelar <pshelar@ovn.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The macros HCLGE_MPF_ENBALE and HCLGEVF_MPF_ENBALE are defined but never
used. I was going to fix the spelling mistake "ENBALE" -> "ENABLE" but
found these macros are not used, so they can be removed.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use 'skb_queue_purge()' instead of re-implementing it.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
