Commit Graph

6441 Commits

Author SHA1 Message Date
Björn Töpel
3995ecbabc i40e: fix crash when Rx descriptor count is changed
When the AF_XDP buffer allocator was introduced, the Rx SW ring
"rx_bi" allocation was moved from i40e_setup_rx_descriptors()
function, and was instead done in the i40e_configure_rx_ring()
function.

This broke the ethtool set_ringparam() hook for changing the Rx
descriptor count, which was relying on i40e_setup_rx_descriptors() to
handle the allocation.

Fix this by adding an explicit i40e_alloc_rx_bi() call to
i40e_set_ringparam().

Fixes: be1222b585 ("i40e: Separate kernel allocated rx_bi rings from AF_XDP rings")
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-18 22:37:25 -07:00
Ciara Loftus
b1d95cc239 ice: protect ring accesses with WRITE_ONCE
The READ_ONCE macro is used when reading rings prior to accessing the
statistics pointer. The corresponding WRITE_ONCE usage when allocating and
freeing the rings to ensure protected access was not in place. Introduce
this.

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-18 22:35:34 -07:00
Ciara Loftus
d59e267912 i40e: protect ring accesses with READ- and WRITE_ONCE
READ_ONCE should be used when reading rings prior to accessing the
statistics pointer. Introduce this as well as the corresponding WRITE_ONCE
usage when allocating and freeing the rings, to ensure protected access.

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-18 22:31:21 -07:00
Ciara Loftus
f140ad9fe2 ixgbe: protect ring accesses with READ- and WRITE_ONCE
READ_ONCE should be used when reading rings prior to accessing the
statistics pointer. Introduce this as well as the corresponding WRITE_ONCE
usage when allocating and freeing the rings, to ensure protected access.

Signed-off-by: Ciara Loftus <ciara.loftus@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-18 22:30:04 -07:00
Arnd Bergmann
880e6269fd e1000e: fix unused-function warning
The CONFIG_PM_SLEEP #ifdef checks in this file are inconsistent,
leading to a warning about sometimes unused function:

drivers/net/ethernet/intel/e1000e/netdev.c:137:13: error: unused function 'e1000e_check_me' [-Werror,-Wunused-function]

Rather than adding more #ifdefs, just remove them completely
and mark the PM functions as __maybe_unused to let the compiler
work it out on it own.

Fixes: e086ba2fcc ("e1000e: disable s0ix entry and exit flows for ME systems")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-16 15:42:08 -07:00
Vaibhav Gupta
eb6779d4c5 e1000: use generic power management
With legacy PM hooks, it was the responsibility of a driver to manage PCI
states and also the device's power state. The generic approach is to let PCI
core handle the work.

e1000_suspend() calls __e1000_shutdown() to perform intermediate tasks.
__e1000_shutdown() modifies the value of "wake" (device should be wakeup
enabled or not), responsible for controlling the flow of legacy PM.

Since, PCI core has no idea about the value of "wake", new code for generic
PM may produce unexpected results. Thus, use "device_set_wakeup_enable()"
to wakeup-enable the device accordingly.

Signed-off-by: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-16 15:38:11 -07:00
Chen Yu
6bf6be1127 e1000e: Do not wake up the system via WOL if device wakeup is disabled
Currently the system will be woken up via WOL(Wake On LAN) even if the
device wakeup ability has been disabled via sysfs:
 cat /sys/devices/pci0000:00/0000:00:1f.6/power/wakeup
 disabled

The system should not be woken up if the user has explicitly
disabled the wake up ability for this device.

This patch clears the WOL ability of this network device if the
user has disabled the wake up ability in sysfs.

Fixes: bc7f75fa97 ("[E1000E]: New pci-express e1000 driver")
Reported-by: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-16 15:35:48 -07:00
Linus Torvalds
96144c58ab Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from David Miller:

 1) Fix cfg80211 deadlock, from Johannes Berg.

 2) RXRPC fails to send norigications, from David Howells.

 3) MPTCP RM_ADDR parsing has an off by one pointer error, fix from
    Geliang Tang.

 4) Fix crash when using MSG_PEEK with sockmap, from Anny Hu.

 5) The ucc_geth driver needs __netdev_watchdog_up exported, from
    Valentin Longchamp.

 6) Fix hashtable memory leak in dccp, from Wang Hai.

 7) Fix how nexthops are marked as FDB nexthops, from David Ahern.

 8) Fix mptcp races between shutdown and recvmsg, from Paolo Abeni.

 9) Fix crashes in tipc_disc_rcv(), from Tuong Lien.

10) Fix link speed reporting in iavf driver, from Brett Creeley.

11) When a channel is used for XSK and then reused again later for XSK,
    we forget to clear out the relevant data structures in mlx5 which
    causes all kinds of problems. Fix from Maxim Mikityanskiy.

12) Fix memory leak in genetlink, from Cong Wang.

13) Disallow sockmap attachments to UDP sockets, it simply won't work.
    From Lorenz Bauer.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (83 commits)
  net: ethernet: ti: ale: fix allmulti for nu type ale
  net: ethernet: ti: am65-cpsw-nuss: fix ale parameters init
  net: atm: Remove the error message according to the atomic context
  bpf: Undo internal BPF_PROBE_MEM in BPF insns dump
  libbpf: Support pre-initializing .bss global variables
  tools/bpftool: Fix skeleton codegen
  bpf: Fix memlock accounting for sock_hash
  bpf: sockmap: Don't attach programs to UDP sockets
  bpf: tcp: Recv() should return 0 when the peer socket is closed
  ibmvnic: Flush existing work items before device removal
  genetlink: clean up family attributes allocations
  net: ipa: header pad field only valid for AP->modem endpoint
  net: ipa: program upper nibbles of sequencer type
  net: ipa: fix modem LAN RX endpoint id
  net: ipa: program metadata mask differently
  ionic: add pcie_print_link_status
  rxrpc: Fix race between incoming ACK parser and retransmitter
  net/mlx5: E-Switch, Fix some error pointer dereferences
  net/mlx5: Don't fail driver on failure to create debugfs
  net/mlx5e: CT: Fix ipv6 nat header rewrite actions
  ...
2020-06-13 16:27:13 -07:00
Masahiro Yamada
a7f7f6248d treewide: replace '---help---' in Kconfig files with 'help'
Since commit 84af7a6194 ("checkpatch: kconfig: prefer 'help' over
'---help---'"), the number of '---help---' has been gradually
decreasing, but there are still more than 2400 instances.

This commit finishes the conversion. While I touched the lines,
I also fixed the indentation.

There are a variety of indentation styles found.

  a) 4 spaces + '---help---'
  b) 7 spaces + '---help---'
  c) 8 spaces + '---help---'
  d) 1 space + 1 tab + '---help---'
  e) 1 tab + '---help---'    (correct indentation)
  f) 1 tab + 1 space + '---help---'
  g) 1 tab + 2 spaces + '---help---'

In order to convert all of them to 1 tab + 'help', I ran the
following commend:

  $ find . -name 'Kconfig*' | xargs sed -i 's/^[[:space:]]*---help---/\thelp/'

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-06-14 01:57:21 +09:00
Paul Greenwalt
8e3e4b9da7 iavf: increase reset complete wait time
With an increased number of VFs, it's possible to encounter the following
issue during reset.

    iavf b8d4:00:02.0: Hardware reset detected
    iavf b8d4:00:02.0: Reset never finished (0)
    iavf b8d4:00:02.0: Reset task did not complete, VF disabled

Increase the reset complete wait count to allow for 128 VFs to complete
reset.

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>
2020-06-11 15:13:16 -07:00
Brett Creeley
18c012d922 iavf: Fix reporting 2.5 Gb and 5Gb speeds
Commit 4ae4916b56 ("i40e: fix 'Unknown bps' in dmesg for 2.5Gb/5Gb
speeds") added the ability for the PF to report 2.5 and 5Gb speeds,
however, the iavf driver does not recognize those speeds as the values were
not added there. Add the proper enums and values so that iavf can properly
deal with those speeds.

Fixes: 4ae4916b56 ("i40e: fix 'Unknown bps' in dmesg for 2.5Gb/5Gb speeds")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Witold Fijalkowski <witoldx.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>
2020-06-11 15:11:42 -07:00
Aleksandr Loktionov
5071bda294 iavf: use appropriate enum for comparison
adapter->link_speed has type enum virtchnl_link_speed but our comparisons
are against enum iavf_aq_link_speed. Though they are, currently, the same
values, change the comparison to the matching enum virtchnl_link_speed
since that may not always be the case.

Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Piotr Kwapulinski <piotr.kwapulinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-11 14:53:50 -07:00
Brett Creeley
e0ef26fbe2 iavf: fix speed reporting over virtchnl
Link speeds are communicated over virtchnl using an enum
virtchnl_link_speed. Currently, the highest link speed is 40Gbps which
leaves us unable to reflect some speeds that an ice VF is capable of.
This causes link speed to be misreported on the iavf driver.

Allow for communicating link speeds using Mbps so that the proper speed can
be reported for an ice VF. Moving away from the enum allows us to
communicate future speed changes without requiring a new enum to be added.

In order to support communicating link speeds over virtchnl in Mbps the
following functionality was added:
    - Added u32 link_speed_mbps in the iavf_adapter structure.
    - Added the macro ADV_LINK_SUPPORT(_a) to determine if the VF
      driver supports communicating link speeds in Mbps.
    - Added the function iavf_get_vpe_link_status() to fill the
      correct link_status in the event_data union based on the
      ADV_LINK_SUPPORT(_a) macro.
    - Added the function iavf_set_adapter_link_speed_from_vpe()
      to determine whether or not to fill the u32 link_speed_mbps or
      enum virtchnl_link_speed link_speed field in the iavf_adapter
      structure based on the ADV_LINK_SUPPORT(_a) macro.
    - Do not free vf_res in iavf_init_get_resources() as vf_res will be
      accessed in iavf_get_link_ksettings(); memset to 0 instead. This
      memory is subsequently freed in iavf_remove().

Fixes: 7c710869d6 ("ice: Add handlers for VF netdevice operations")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Signed-off-by: Sergey Nemov <sergey.nemov@intel.com>
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-06-11 14:53:50 -07:00
Linus Torvalds
cb8e59cc87 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
Pull networking updates from David Miller:

 1) Allow setting bluetooth L2CAP modes via socket option, from Luiz
    Augusto von Dentz.

 2) Add GSO partial support to igc, from Sasha Neftin.

 3) Several cleanups and improvements to r8169 from Heiner Kallweit.

 4) Add IF_OPER_TESTING link state and use it when ethtool triggers a
    device self-test. From Andrew Lunn.

 5) Start moving away from custom driver versions, use the globally
    defined kernel version instead, from Leon Romanovsky.

 6) Support GRO vis gro_cells in DSA layer, from Alexander Lobakin.

 7) Allow hard IRQ deferral during NAPI, from Eric Dumazet.

 8) Add sriov and vf support to hinic, from Luo bin.

 9) Support Media Redundancy Protocol (MRP) in the bridging code, from
    Horatiu Vultur.

10) Support netmap in the nft_nat code, from Pablo Neira Ayuso.

11) Allow UDPv6 encapsulation of ESP in the ipsec code, from Sabrina
    Dubroca. Also add ipv6 support for espintcp.

12) Lots of ReST conversions of the networking documentation, from Mauro
    Carvalho Chehab.

13) Support configuration of ethtool rxnfc flows in bcmgenet driver,
    from Doug Berger.

14) Allow to dump cgroup id and filter by it in inet_diag code, from
    Dmitry Yakunin.

15) Add infrastructure to export netlink attribute policies to
    userspace, from Johannes Berg.

16) Several optimizations to sch_fq scheduler, from Eric Dumazet.

17) Fallback to the default qdisc if qdisc init fails because otherwise
    a packet scheduler init failure will make a device inoperative. From
    Jesper Dangaard Brouer.

18) Several RISCV bpf jit optimizations, from Luke Nelson.

19) Correct the return type of the ->ndo_start_xmit() method in several
    drivers, it's netdev_tx_t but many drivers were using
    'int'. From Yunjian Wang.

20) Add an ethtool interface for PHY master/slave config, from Oleksij
    Rempel.

21) Add BPF iterators, from Yonghang Song.

22) Add cable test infrastructure, including ethool interfaces, from
    Andrew Lunn. Marvell PHY driver is the first to support this
    facility.

23) Remove zero-length arrays all over, from Gustavo A. R. Silva.

24) Calculate and maintain an explicit frame size in XDP, from Jesper
    Dangaard Brouer.

25) Add CAP_BPF, from Alexei Starovoitov.

26) Support terse dumps in the packet scheduler, from Vlad Buslov.

27) Support XDP_TX bulking in dpaa2 driver, from Ioana Ciornei.

28) Add devm_register_netdev(), from Bartosz Golaszewski.

29) Minimize qdisc resets, from Cong Wang.

30) Get rid of kernel_getsockopt and kernel_setsockopt in order to
    eliminate set_fs/get_fs calls. From Christoph Hellwig.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (2517 commits)
  selftests: net: ip_defrag: ignore EPERM
  net_failover: fixed rollback in net_failover_open()
  Revert "tipc: Fix potential tipc_aead refcnt leak in tipc_crypto_rcv"
  Revert "tipc: Fix potential tipc_node refcnt leak in tipc_rcv"
  vmxnet3: allow rx flow hash ops only when rss is enabled
  hinic: add set_channels ethtool_ops support
  selftests/bpf: Add a default $(CXX) value
  tools/bpf: Don't use $(COMPILE.c)
  bpf, selftests: Use bpf_probe_read_kernel
  s390/bpf: Use bcr 0,%0 as tail call nop filler
  s390/bpf: Maintain 8-byte stack alignment
  selftests/bpf: Fix verifier test
  selftests/bpf: Fix sample_cnt shared between two threads
  bpf, selftests: Adapt cls_redirect to call csum_level helper
  bpf: Add csum_level helper for fixing up csum levels
  bpf: Fix up bpf_skb_adjust_room helper's skb csum setting
  sfc: add missing annotation for efx_ef10_try_update_nic_stats_vf()
  crypto/chtls: IPv6 support for inline TLS
  Crypto/chcr: Fixes a coccinile check error
  Crypto/chcr: Fixes compilations warnings
  ...
2020-06-03 16:27:18 -07:00
Lorenzo Bianconi
1b698fa5d8 xdp: Rename convert_to_xdp_frame in xdp_convert_buff_to_frame
In order to use standard 'xdp' prefix, rename convert_to_xdp_frame
utility routine in xdp_convert_buff_to_frame and replace all the
occurrences

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/6344f739be0d1a08ab2b9607584c4d5478c8c083.1590698295.git.lorenzo@kernel.org
2020-06-01 15:02:53 -07:00
Chinh T Cao
b5e19a642b ice: Ignore EMODE when setting PHY config
When setting the PHY cfg (CQ cmd 0x0601), if the firmware responds
with an EMODE error, software will ignore the error as it simply
means that manageability (ex: BMC) is in control of the link and that
the new setting may not be applied.

Signed-off-by: Chinh T Cao <chinh.t.cao@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>
2020-05-31 04:01:16 -07:00
Henry Tieman
d5329be990 ice: fix aRFS after flow director delete
The logic was missing for adding back perfect flows after flow director
filter delete. The code now adds perfect flows into the HW tables after
filter delete.

Signed-off-by: Henry Tieman <henry.w.tieman@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:58:12 -07:00
Brett Creeley
a039f6fcba ice: Use coalesce values from q_vector 0 when increasing q_vectors
Currently when a VSI is built (i.e. reset, set channels, etc.)
the coalesce settings will be preserved in most cases. However, when the
number of q_vectors are increased the settings for the new q_vectors
will be set to the driver defaults of AIM on, Rx/Tx ITR 50, and INTRL 0.
This is causing issues with how the ethtool layer gets the current
coalesce settings since it only uses q_vector 0. So, assume that the user
set the coalesce settings globally (i.e. ethtool -C eth0) and use q_vector
0's settings for all of the new q_vectors.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:56:40 -07:00
Paul M Stillwell Jr
1a9c561aa3 ice: fix PCI device serial number to be lowercase values
Commit ceb2f00707 ("ice: Use pci_get_dsn()") changed the code to
use a new function to get the Device Serial Number. It also changed
the case of the filename for loading a package on a specific NIC
from lowercase to uppercase. Change the filename back to
lowercase since that is what we specified.

Fixes: ceb2f00707 ("ice: Use pci_get_dsn()")
Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:55:07 -07:00
Bruce Allan
ebb462dc21 ice: fix function signature style format
Where possible, cuddle multiple lines of function signatures to be
consistent throughout the code.

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>
2020-05-31 03:52:25 -07:00
Brett Creeley
7dcc0fb8f6 ice: Allow VF to request reset as soon as it's initialized
A VF driver has the ability to request reset via VIRTCHNL_OP_RESET_VF.
This is a required step in VF driver load. Currently, the PF is only
allowing a VF to request reset using this method after the VF has
already communicated resources via VIRTCHNL_OP_GET_VF_RESOURCES.
However, this is incorrect because the VF can request reset before
requesting resources. Fix this by allowing the VF to request a reset
once it has been initialized.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:50:37 -07:00
Jesse Brandeburg
765dd7a182 ice: Fix inability to set channels when down
Currently the driver prevents a user from doing
modprobe ice
ethtool -L eth0 combined 5
ip link set eth0 up

The ethtool command fails, because the driver is checking to see if the
interface is down before allowing the get_channels to proceed (even for
a set_channels).

Remove this check and allow the user to configure the interface
before bringing it up, which is a much better usability case.

Fixes: 87324e747f ("ice: Implement ethtool ops for channels")
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:49:00 -07:00
Brett Creeley
401ce33b32 ice: Always clear QRXFLXP_CNTXT before writing new value
Always clear the previous value in QRXFLXP_CNTXT before writing a new
value. This will make it so re-used queues will not accidentally take the
previously configured settings.

Signed-off-by: Brett Creeley <brett.creeley@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>
2020-05-31 03:47:35 -07:00
Brett Creeley
cf0bf41dd6 ice: Reset VF for all port VLAN changes from host
Currently the PF is modifying the VF's port VLAN on the fly when
configured via iproute. This is okay for most cases, but if the VF
already has guest VLANs configured the PF has to remove all of those
filters so only VLAN tagged traffic that matches the port VLAN will
pass. Instead of adding functionality to track which guest VLANs have
been added, just reset the VF each time port VLAN parameters are
modified.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:43:00 -07:00
Chinh T Cao
bff185e240 ice: Update ICE_PHY_TYPE_HIGH_MAX_INDEX value
As currently, we are supporting only 5 PHY_SPEEDs for phy_type_high.
Thus, we should adjust the value of ICE_PHY_TYPE_HIGH_MAX_INDEX to 5.

Signed-off-by: Chinh T Cao <chinh.t.cao@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:41:29 -07:00
Dan Nowlin
c9a12d6d20 ice: Increase timeout after PFR
To allow for resets during package download, increase the timeout period
after performing a PFR. The time waited is the global config lock
timeout plus the normal PFSWR timeout.

Signed-off-by: Dan Nowlin <dan.nowlin@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:39:45 -07:00
Brett Creeley
2bb19d6e07 ice: Fix transmit for all software offloaded VLANs
Currently the driver does not recognize when there is an 802.1AD VLAN
tag right after the dmac/smac (outermost VLAN tag). If any DCB map is
applied and/or DCB is enabled this is causing the hardware to insert a
VLAN 0 tag after the 802.1AD VLAN tag that is already in the packet.
Fix this by preventing VLAN tag 0 from being added when any VLAN is
already present after dmac/smac (software offloaded) or skb (hardware
offloaded).

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:38:20 -07:00
Paul Greenwalt
c1636a6e8a ice: support adding 16 unicast/multicast filter on untrusted VF
Allow untrusted VF to add 16 unicast/multicast filters. VF uses 1 filter
for the default/perm_addr/LAA MAC, 1 for broadcast, and 16 additional
unicast/multicast filters.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:36:06 -07:00
Brett Creeley
f109603a4b ice: allow host to clear administratively set VF MAC
Currently a user is not allowed to clear a VF's administratively set MAC
on the PF. Fix this by allowing an all zero MAC address via "ip link set
${pf_eth} vf ${vf_id} mac 00:00:00:00:00:00".

An example use case for this would be issuing a "virsh shutdown"
command on a VM. The call to iproute mentioned above is part of this flow.
Without this change the driver incorrectly rejects clearing the VF's
administratively set MAC and prints unhelpful log messages.

Also, improve the comments surrounding this change.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-31 03:34:15 -07:00
David S. Miller
d9f0d6605f Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue
Jeff Kirsher says:

====================
100GbE Intel Wired LAN Driver Updates 2020-05-28

This series contains updates to the ice driver only.

Anirudh (Ani) adds a poll for reset completion before proceeding with
driver initialization when the DDP package fails to load and the firmware
issues a core reset.

Jake cleans up unnecessary code, since ice_set_dflt_vsi_ctx() performs a
memset to clear the info from the context structures.  Fixed a potential
double free during probe unrolling after a failure.  Also fixed a
potential NULL pointer dereference upon register_netdev() failure.

Tony makes two functions static which are not called outside of their
file.

Brett refactors the ice_ena_vf_mappings(), which was doing the VF's MSIx
and queue mapping in one function which was hard to digest.  So create a
new function to handle the enabling MSIx mappings and another function
to handle the enabling of queue mappings.  Simplify the code flow in
ice_sriov_configure().  Created a helper function for clearing
VPGEN_VFRTRIG register, as this needs to be done on reset to notify the
VF that we are done resetting it.  Fixed the initialization/creation and
reset flows, which was unnecessarily complicated, so separate the two
flows into their own functions.  Renamed VF initialization functions to
make it more clear what they do and why.  Added functionality to set the
VF trust mode bit on reset.  Added helper functions to rebuild the VLAN
and MAC configurations when resetting a VF.  Refactored how the VF reset
is handled to prevent VF reset timeouts.

Paul cleaned up code not needed during a CORER/GLOBR reset.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2020-05-30 21:44:50 -07:00
Hari
6a3faa4d7e e1000: Fix typo in the comment
Continuous Double "the" in a comment. Changed it to single "the"

Signed-off-by: Hari <harichandrakanthan@gmail.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:36:41 -07:00
Sasha Neftin
480b7a5a3f igc: Fix wrong register name
Accordance to the i225 datasheet this register address
used by Host Transmit Discarded Packet by MAC counter
and not by not applicable Carrier Extension Error counter.
This patch comes to fix this wrong definition.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:33:53 -07:00
Sasha Neftin
e2d0f2031e igc: Remove Sequence Error Counter
Accordance to the i225 datasheet sequence error counter does not
applicable to the i225 device.
This patch comes to clean up this counter.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:32:04 -07:00
Sasha Neftin
51c657b42f igc: Add Receive Error Counter
Receive error counter reflect total number of non-filtered
packets received with errors. This includes: CRC error,
symbol error, Rx data error and carrier extend error.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:30:06 -07:00
Sasha Neftin
758b51e1e7 igc: Remove symbol error counter
Accordance to the i225 datasheet symbol error counter does not
applicable to the i225 device.
This patch comes to clean up this counter.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:26:57 -07:00
Jason Yan
3f6023f77a i40e: Make i40e_shutdown_adminq() return void
Fix the following coccicheck warning:

drivers/net/ethernet/intel/i40e/i40e_adminq.c:699:13-21: Unneeded
variable: "ret_code". Return "0" on line 710

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:19:47 -07:00
Punit Agrawal
d601afcae2 e1000e: Relax condition to trigger reset for ME workaround
It's an error if the value of the RX/TX tail descriptor does not match
what was written. The error condition is true regardless the duration
of the interference from ME. But the driver only performs the reset if
E1000_ICH_FWSM_PCIM2PCI_COUNT (2000) iterations of 50us delay have
transpired. The extra condition can lead to inconsistency between the
state of hardware as expected by the driver.

Fix this by dropping the check for number of delay iterations.

While at it, also make __ew32_prepare() static as it's not used
anywhere else.

CC: stable <stable@vger.kernel.org>
Signed-off-by: Punit Agrawal <punit1.agrawal@toshiba.co.jp>
Reviewed-by: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:18:04 -07:00
Andre Guedes
e087d3bbc4 igc: Fix IGC_MAX_RXNFC_RULES
IGC supports a total of 32 rules. 16 MAC address based, 8 VLAN priority
based, and 8 Ethertype based. This patch fixes IGC_MAX_RXNFC_RULES
accordingly.

Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:15:38 -07:00
Andre Guedes
3d3e9b6b6a igc: Reject NFC rules with multiple matches
The way Rx queue assignment based on mac address, Ethertype and VLAN
priority filtering operates in I225 doesn't allow us to properly support
NFC rules with multiple matches.

Consider the following example which assigns to queue 2 frames matching
the address MACADDR *and* Ethertype ETYPE.

$ ethtool -N eth0 flow-type ether dst <MACADDR> proto <ETYPE> queue 2

When such rule is applied, we have 2 unwanted behaviors:

    1) Any frame matching MACADDR will be assigned to queue 2. It
       doesn't matter the ETYPE value.

    2) Any accepted frame that has Ethertype equals to ETYPE, no matter
       the mac address, will be assigned to queue 2 as well.

In current code, multiple-match filters are accepted by the driver, even
though it doesn't support them properly. This patch adds a check for
multiple-match rules in igc_ethtool_is_nfc_rule_valid() so they are
rejected.

Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:13:11 -07:00
Sasha Neftin
2c3076f5ed igc: Remove unused flags
Transmit underrun, late and excess collision flags not in use.
This patch comes to clean up these flags.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:05:20 -07:00
Jason Yan
49c65e95f3 igb: make igb_set_fc_watermarks() return void
This function always return 0 now, we can make it return void to
simplify the code. This fixes the following coccicheck warning:

drivers/net/ethernet/intel/igb/e1000_mac.c:728:5-12: Unneeded variable:
"ret_val". Return "0" on line 751

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:04:01 -07:00
YueHaibing
f2d9f29412 ixgbe: Remove unused inline function ixgbe_irq_disable_queues
commit b5f69ccf67 ("ixgbe: avoid bringing rings up/down as macvlans are added/removed")
left behind this, remove it.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:01:39 -07:00
Jason Yan
c2d77e598b ixgbe: Use true, false for bool variable in __ixgbe_enable_sriov()
Fix the following coccicheck warning:

drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c:105:2-38: WARNING:
Assignment of 0/1 to bool variable

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 20:00:02 -07:00
Jason Yan
85c41c5b16 ixgbe: Remove conversion to bool in ixgbe_device_supports_autoneg_fc()
No need to convert '==' expression to bool. This fixes the following
coccicheck warning:

drivers/net/ethernet/intel/ixgbe/ixgbe_common.c:68:11-16: WARNING:
conversion to bool not needed here

Signed-off-by: Jason Yan <yanaijie@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 19:58:34 -07:00
Xie XiuQi
3b70683fc4 ixgbe: fix signed-integer-overflow warning
ubsan report this warning, fix it by adding a unsigned suffix.

UBSAN: signed-integer-overflow in
drivers/net/ethernet/intel/ixgbe/ixgbe_common.c:2246:26
65535 * 65537 cannot be represented in type 'int'
CPU: 21 PID: 7 Comm: kworker/u256:0 Not tainted 5.7.0-rc3-debug+ #39
Hardware name: Huawei TaiShan 2280 V2/BC82AMDC, BIOS 2280-V2 03/27/2020
Workqueue: ixgbe ixgbe_service_task [ixgbe]
Call trace:
 dump_backtrace+0x0/0x3f0
 show_stack+0x28/0x38
 dump_stack+0x154/0x1e4
 ubsan_epilogue+0x18/0x60
 handle_overflow+0xf8/0x148
 __ubsan_handle_mul_overflow+0x34/0x48
 ixgbe_fc_enable_generic+0x4d0/0x590 [ixgbe]
 ixgbe_service_task+0xc20/0x1f78 [ixgbe]
 process_one_work+0x8f0/0xf18
 worker_thread+0x430/0x6d0
 kthread+0x218/0x238
 ret_from_fork+0x10/0x18

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 19:56:40 -07:00
Jesper Dangaard Brouer
e92c0e0235 i40e: trivial fixup of comments in i40e_xsk.c
The comment above i40e_run_xdp_zc() was clearly copy-pasted from
function i40e_xsk_umem_setup, which is just above.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Björn Töpel <bjorn.topel@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 19:55:17 -07:00
Takashi Iwai
c28481a88c i40e: Use scnprintf() for avoiding potential buffer overflow
Since snprintf() returns the would-be-output size instead of the
actual output size, the succeeding calls may go beyond the given
buffer limit.  Fix it by replacing with scnprintf().

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 19:51:51 -07:00
Brett Creeley
3726cce258 ice: Refactor VF VSI release and setup functions
Currently when a VF VSI calls ice_vsi_release() and ice_vsi_setup() it
subsequently clears/sets the VF cached variables for lan_vsi_idx and
lan_vsi_num. This works fine, but can be improved by handling this in
the VF specific VSI release and setup functions.

Also, when a VF VSI is setup too many parameters are passed that can be
derived from the VF. Fix this by only calling VF VSI setup with the bare
minimum parameters.

Also, add functionality to invalidate a VF's VSI when it's released
and/or setup fails. This will make it so a VF VSI cannot be accessed via
its cached vsi_idx/vsi_num in these cases.

Finally when a VF's VSI is invalidated set the lan_vsi_idx and
lan_vsi_num to ICE_NO_VSI to clearly show that there is no valid VSI
associated with this VF.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 16:25:19 -07:00
Brett Creeley
12bb018c53 ice: Refactor VF reset
Currently VF VSI are being reset twice during a PFR or greater. This is
causing reset, specifically resetting all VFs, to take too long. This is
causing various issues with VF drivers not being able to gracefully
handle the VF reset timeout. Fix this by refactoring how VF reset is
handled for the case mentioned previously and for the VFR/VFLR case.

The refactor was done by doing the following:

1. Removing the call to ice_vsi_rebuild_by_type for
   ICE_VSI_VF VSI, which was causing the initial VSI rebuild.

2. Adding functions for pre/post VSI rebuild functions that can be called
   in both the reset all VFs case and reset individual VF case.

3. Adding VSI rebuild functions that are specific for the reset all VFs
   case and adding functions that are specific for the reset individual
   VF case.

4. Calling the pre-rebuild function, then the specific VSI rebuild
   function based on the reset type, and then calling the post-rebuild
   function to handle VF resets.

This patch series makes some assumptions about how VSI are handling by
FW during reset:

1. During a PFR or greater all VSI in FW will be cleared.
2. During a VFR/VFLR the VSI rebuild responsibility is in the hands of
   the PF software.
3. There is code in the ice_reset_all_vfs() case to amortize operations
   if possible. This was left intact.
4. PF software should not be replaying VSI based filters that were added
   other than host configured, PF software configured, or the VF's
   default/LAA MAC. This is the VF drivers job after it has been reset.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 16:24:02 -07:00
Paul Greenwalt
a58e1d8174 ice: remove VM/VF disable command on CORER/GLOBR reset
Remove VM/VF disable AQC (opcode 0x0C31) when resetting all VFs.
This is not required for CORER/GLOBR reset.

Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2020-05-28 16:11:26 -07:00