Commit Graph

7159 Commits

Author SHA1 Message Date
Sasha Neftin 47bca7de6a igc: Remove phy->type checking
i225 devices have only one phy->type: copper. There is no point checking
phy->type during the igc_has_link method from the watchdog that
invoked every 2 seconds.
This patch comes to clean up these pointless checkings.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin 7c496de538 igc: Remove _I_PHY_ID checking
i225 devices have only one PHY vendor. There is no point checking
_I_PHY_ID during the link establishment and auto-negotiation process.
This patch comes to clean up these pointless checkings.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin 373e2829e7 igc: Check if num of q_vectors is smaller than max before array access
Ensure that the adapter->q_vector[MAX_Q_VECTORS] array isn't accessed
beyond its size. It was fixed by using a local variable num_q_vectors
as a limit for loop index, and ensure that num_q_vectors is not bigger
than MAX_Q_VECTORS.

Suggested-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Tree Davies e0bc64d31c net/e1000e: Fix spelling mistake "The" -> "This"
There is a spelling mistake in the comment block.

Signed-off-by: Tree Davies <tdavies@darkphysics.net>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin ade4162e80 e1000e: Add space to the debug print
Minor fixes to allow debug prints more readable.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin 8e25c0a212 e1000e: Add support for the next LOM generation
Add devices IDs for the next LOM generations that will be
available on the next Intel Client platforms
This patch provides the initial support for these devices

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin 820b8ff653 e1000e: Add support for Lunar Lake
Add devices IDs for the next LOM generations that will be
available on the next Intel Client platform (Lunar Lake)
This patch provides the initial support for these devices

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin 3ad3e28cb2 e1000e: Additional PHY power saving in S0ix
After transferring the MAC-PHY interface to the SMBus set the PHY
to S0ix low power idle mode.

Suggested-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin ef407b86d3 e1000e: Add polling mechanism to indicate CSME DPG exit
Per guidance from the CSME architecture team, it may take
up to 1 second for unconfiguring dynamic power gating mode.
Practically it can take more time. Wait up to 2.5 seconds to indicate
dynamic power gating exit from the S0ix configuration. Detect
scenarios that take more than 1 second but less than 2.5 seconds
will emit warning message.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
Sasha Neftin 3e55d23171 e1000e: Add handshake with the CSME to support S0ix
On the corporate system, the driver will ask from the CSME
(manageability engine) to perform device settings are required
to allow S0ix residency.
This patch provides initial support.

Reviewed-by: Dima Ruinskiy <dima.ruinskiy@intel.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-20 16:11:36 -07:00
David S. Miller c18e9405d4 Merge branch 's390-next'
Julian Wiedmann says:

====================
s390/qeth: updates 2021-07-20

please apply the following patch series for qeth to netdev's net-next tree.

This removes the deprecated support for OSN-mode devices, and does some
follow-on cleanups.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-20 06:23:50 -07:00
Kurt Kanzenbach edd2e9d586 Revert "igc: Export LEDs"
This reverts commit cf8331825a.

There are better Linux interfaces to export the different LED modes
and blinking reasons.

Revert this patch for now and come up with better solution later.

Suggested-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Link: https://lore.kernel.org/r/20210719101640.16047-1-kurt@linutronix.de
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-07-20 13:53:59 +02:00
Stefan Assmann 226d528512 iavf: fix locking of critical sections
To avoid races between iavf_init_task(), iavf_reset_task(),
iavf_watchdog_task(), iavf_adminq_task() as well as the shutdown and
remove functions more locking is required.
The current protection by __IAVF_IN_CRITICAL_TASK is needed in
additional places.

- The reset task performs state transitions, therefore needs locking.
- The adminq task acts on replies from the PF in
  iavf_virtchnl_completion() which may alter the states.
- The init task is not only run during probe but also if a VF gets stuck
  to reinitialize it.
- The shutdown function performs a state transition.
- The remove function performs a state transition and also free's
  resources.

iavf_lock_timeout() is introduced to avoid waiting infinitely
and cause a deadlock. Rather unlock and print a warning.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-19 09:18:30 -07:00
Stefan Assmann 22c8fd71d3 iavf: do not override the adapter state in the watchdog task
The iavf watchdog task overrides adapter->state to __IAVF_RESETTING
when it detects a pending reset. Then schedules iavf_reset_task() which
takes care of the reset.

The reset task is capable of handling the reset without changing
adapter->state. In fact we lose the state information when the watchdog
task prematurely changes the adapter state. This may lead to a crash if
instead of the reset task the iavf_remove() function gets called before
the reset task.
In that case (if we were in state __IAVF_RUNNING previously) the
iavf_remove() function triggers iavf_close() which fails to close the
device because of the incorrect state information.

This may result in a crash due to pending interrupts.
kernel BUG at drivers/pci/msi.c:357!
[...]
Call Trace:
 [<ffffffffbddf24dd>] pci_disable_msix+0x3d/0x50
 [<ffffffffc08d2a63>] iavf_reset_interrupt_capability+0x23/0x40 [iavf]
 [<ffffffffc08d312a>] iavf_remove+0x10a/0x350 [iavf]
 [<ffffffffbddd3359>] pci_device_remove+0x39/0xc0
 [<ffffffffbdeb492f>] __device_release_driver+0x7f/0xf0
 [<ffffffffbdeb49c3>] device_release_driver+0x23/0x30
 [<ffffffffbddcabb4>] pci_stop_bus_device+0x84/0xa0
 [<ffffffffbddcacc2>] pci_stop_and_remove_bus_device+0x12/0x20
 [<ffffffffbddf361f>] pci_iov_remove_virtfn+0xaf/0x160
 [<ffffffffbddf3bcc>] sriov_disable+0x3c/0xf0
 [<ffffffffbddf3ca3>] pci_disable_sriov+0x23/0x30
 [<ffffffffc0667365>] i40e_free_vfs+0x265/0x2d0 [i40e]
 [<ffffffffc0667624>] i40e_pci_sriov_configure+0x144/0x1f0 [i40e]
 [<ffffffffbddd5307>] sriov_numvfs_store+0x177/0x1d0
Code: 00 00 e8 3c 25 e3 ff 49 c7 86 88 08 00 00 00 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 8b 7b 28 e8 0d 44
RIP  [<ffffffffbbbf1068>] free_msi_irqs+0x188/0x190

The solution is to not touch the adapter->state in iavf_watchdog_task()
and let the reset task handle the state transition.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-19 09:18:30 -07:00
Stefan Assmann 8b4b06919f i40e: improve locking of mac_filter_hash
i40e_config_vf_promiscuous_mode() calls
i40e_getnum_vf_vsi_vlan_filters() without acquiring the
mac_filter_hash_lock spinlock.

This is unsafe because mac_filter_hash may get altered in another thread
while i40e_getnum_vf_vsi_vlan_filters() traverses the hashes.

Simply adding the spinlock in i40e_getnum_vf_vsi_vlan_filters() is not
possible as it already gets called in i40e_get_vlan_list_sync() with the
spinlock held. Therefore adding a wrapper that acquires the spinlock and
call the correct function where appropriate.

Fixes: 37d318d780 ("i40e: Remove scheduling while atomic possibility")
Fix-suggested-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-19 09:18:30 -07:00
Kurt Kanzenbach cf8331825a igc: Export LEDs
Each i225 has three LEDs. Export them via the LED class framework.

Each LED is controllable via sysfs. Example:

$ cd /sys/class/leds/igc_led0
$ cat brightness      # Current Mode
$ cat max_brightness  # 15
$ echo 0 > brightness # Mode 0
$ echo 1 > brightness # Mode 1

The brightness field here reflects the different LED modes ranging
from 0 to 15.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-16 14:08:12 -07:00
Kurt Kanzenbach 7374426221 igc: Make flex filter more flexible
Currently flex filters are only used for filters containing user data.
However, it makes sense to utilize them also for filters having
multiple conditions, because that's not supported by the driver at the
moment. Add it.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-16 14:08:03 -07:00
Vinicius Costa Gomes 7991487ecb igc: Allow for Flex Filters to be installed
Allows Flex Filters to be installed.

The previous restriction to the types of filters that can be installed
can now be lifted.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-16 14:07:55 -07:00
Kurt Kanzenbach 2b477d057e igc: Integrate flex filter into ethtool ops
Use the flex filter mechanism to extend the current ethtool filter
operations by intercoperating the user data. This allows to match
eight more bytes within a Ethernet frame in addition to macs, ether
types and vlan.

The matching pattern looks like this:

 * dest_mac [6]
 * src_mac [6]
 * tpid [2]
 * vlan tci [2]
 * ether type [2]
 * user data [8]

This can be used to match Profinet traffic classes by FrameID range.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-16 14:07:33 -07:00
Kurt Kanzenbach 6574631b50 igc: Add possibility to add flex filter
The Intel i225 NIC has the possibility to add flex filters which can
match up to the first 128 byte of a packet. These filters are useful
for all kind of packet matching. One particular use case is Profinet,
as the different traffic classes are distinguished by the frame id
range which cannot be matched by any other means.

Add code to configure and enable flex filters.

Signed-off-by: Kurt Kanzenbach <kurt@linutronix.de>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-16 14:07:24 -07:00
Linus Torvalds 8096acd744 Networking fixes for 5.14-rc2, including fixes from bpf and netfilter.
Current release - regressions:
 
  - sock: fix parameter order in sock_setsockopt()
 
 Current release - new code bugs:
 
  - netfilter: nft_last:
      - fix incorrect arithmetic when restoring last used
      - honor NFTA_LAST_SET on restoration
 
 Previous releases - regressions:
 
  - udp: properly flush normal packet at GRO time
 
  - sfc: ensure correct number of XDP queues; don't allow enabling the
         feature if there isn't sufficient resources to Tx from any CPU
 
  - dsa: sja1105: fix address learning getting disabled on the CPU port
 
  - mptcp: addresses a rmem accounting issue that could keep packets
         in subflow receive buffers longer than necessary, delaying
 	MPTCP-level ACKs
 
  - ip_tunnel: fix mtu calculation for ETHER tunnel devices
 
  - do not reuse skbs allocated from skbuff_fclone_cache in the napi
    skb cache, we'd try to return them to the wrong slab cache
 
  - tcp: consistently disable header prediction for mptcp
 
 Previous releases - always broken:
 
  - bpf: fix subprog poke descriptor tracking use-after-free
 
  - ipv6:
       - allocate enough headroom in ip6_finish_output2() in case
         iptables TEE is used
       - tcp: drop silly ICMPv6 packet too big messages to avoid
         expensive and pointless lookups (which may serve as a DDOS
 	vector)
       - make sure fwmark is copied in SYNACK packets
       - fix 'disable_policy' for forwarded packets (align with IPv4)
 
  - netfilter: conntrack: do not renew entry stuck in tcp SYN_SENT state
 
  - netfilter: conntrack: do not mark RST in the reply direction coming
       after SYN packet for an out-of-sync entry
 
  - mptcp: cleanly handle error conditions with MP_JOIN and syncookies
 
  - mptcp: fix double free when rejecting a join due to port mismatch
 
  - validate lwtstate->data before returning from skb_tunnel_info()
 
  - tcp: call sk_wmem_schedule before sk_mem_charge in zerocopy path
 
  - mt76: mt7921: continue to probe driver when fw already downloaded
 
  - bonding: fix multiple issues with offloading IPsec to (thru?) bond
 
  - stmmac: ptp: fix issues around Qbv support and setting time back
 
  - bcmgenet: always clear wake-up based on energy detection
 
 Misc:
 
  - sctp: move 198 addresses from unusable to private scope
 
  - ptp: support virtual clocks and timestamping
 
  - openvswitch: optimize operation for key comparison
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Merge tag 'net-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski.
 "Including fixes from bpf and netfilter.

  Current release - regressions:

   - sock: fix parameter order in sock_setsockopt()

  Current release - new code bugs:

   - netfilter: nft_last:
       - fix incorrect arithmetic when restoring last used
       - honor NFTA_LAST_SET on restoration

  Previous releases - regressions:

   - udp: properly flush normal packet at GRO time

   - sfc: ensure correct number of XDP queues; don't allow enabling the
     feature if there isn't sufficient resources to Tx from any CPU

   - dsa: sja1105: fix address learning getting disabled on the CPU port

   - mptcp: addresses a rmem accounting issue that could keep packets in
     subflow receive buffers longer than necessary, delaying MPTCP-level
     ACKs

   - ip_tunnel: fix mtu calculation for ETHER tunnel devices

   - do not reuse skbs allocated from skbuff_fclone_cache in the napi
     skb cache, we'd try to return them to the wrong slab cache

   - tcp: consistently disable header prediction for mptcp

  Previous releases - always broken:

   - bpf: fix subprog poke descriptor tracking use-after-free

   - ipv6:
       - allocate enough headroom in ip6_finish_output2() in case
         iptables TEE is used
       - tcp: drop silly ICMPv6 packet too big messages to avoid
         expensive and pointless lookups (which may serve as a DDOS
         vector)
       - make sure fwmark is copied in SYNACK packets
       - fix 'disable_policy' for forwarded packets (align with IPv4)

   - netfilter: conntrack:
       - do not renew entry stuck in tcp SYN_SENT state
       - do not mark RST in the reply direction coming after SYN packet
         for an out-of-sync entry

   - mptcp: cleanly handle error conditions with MP_JOIN and syncookies

   - mptcp: fix double free when rejecting a join due to port mismatch

   - validate lwtstate->data before returning from skb_tunnel_info()

   - tcp: call sk_wmem_schedule before sk_mem_charge in zerocopy path

   - mt76: mt7921: continue to probe driver when fw already downloaded

   - bonding: fix multiple issues with offloading IPsec to (thru?) bond

   - stmmac: ptp: fix issues around Qbv support and setting time back

   - bcmgenet: always clear wake-up based on energy detection

  Misc:

   - sctp: move 198 addresses from unusable to private scope

   - ptp: support virtual clocks and timestamping

   - openvswitch: optimize operation for key comparison"

* tag 'net-5.14-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (158 commits)
  net: dsa: properly check for the bridge_leave methods in dsa_switch_bridge_leave()
  sfc: add logs explaining XDP_TX/REDIRECT is not available
  sfc: ensure correct number of XDP queues
  sfc: fix lack of XDP TX queues - error XDP TX failed (-22)
  net: fddi: fix UAF in fza_probe
  net: dsa: sja1105: fix address learning getting disabled on the CPU port
  net: ocelot: fix switchdev objects synced for wrong netdev with LAG offload
  net: Use nlmsg_unicast() instead of netlink_unicast()
  octeontx2-pf: Fix uninitialized boolean variable pps
  ipv6: allocate enough headroom in ip6_finish_output2()
  net: hdlc: rename 'mod_init' & 'mod_exit' functions to be module-specific
  net: bridge: multicast: fix MRD advertisement router port marking race
  net: bridge: multicast: fix PIM hello router port marking race
  net: phy: marvell10g: fix differentiation of 88X3310 from 88X3340
  dsa: fix for_each_child.cocci warnings
  virtio_net: check virtqueue_add_sgs() return value
  mptcp: properly account bulk freed memory
  selftests: mptcp: fix case multiple subflows limited by server
  mptcp: avoid processing packet if a subflow reset
  mptcp: fix syncookie process if mptcp can not_accept new subflow
  ...
2021-07-14 09:24:32 -07:00
Taehee Yoo 2de7e4f675 ixgbevf: use xso.real_dev instead of xso.dev in callback functions of struct xfrmdev_ops
There are two pointers in struct xfrm_state_offload, *dev, *real_dev.
These are used in callback functions of struct xfrmdev_ops.
The *dev points whether bonding interface or real interface.
If bonding ipsec offload is used, it points bonding interface If not,
it points real interface.
And real_dev always points real interface.
So, ixgbevf should always use real_dev instead of dev.
Of course, real_dev always not be null.

Test commands:
    ip link add bond0 type bond
    #eth0 is ixgbevf interface
    ip link set eth0 master bond0
    ip link set bond0 up
    ip x s add proto esp dst 14.1.1.1 src 15.1.1.1 spi 0x07 mode \
transport reqid 0x07 replay-window 32 aead 'rfc4106(gcm(aes))' \
0x44434241343332312423222114131211f4f3f2f1 128 sel src 14.0.0.52/24 \
dst 14.0.0.70/24 proto tcp offload dev bond0 dir in

Splat looks like:
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 6 PID: 688 Comm: ip Not tainted 5.13.0-rc3+ #1168
RIP: 0010:ixgbevf_ipsec_find_empty_idx+0x28/0x1b0 [ixgbevf]
Code: 00 00 0f 1f 44 00 00 55 53 48 89 fb 48 83 ec 08 40 84 f6 0f 84 9c
00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02
84 c0 74 08 3c 01 0f 8e 4c 01 00 00 66 81 3b 00 04 0f
RSP: 0018:ffff8880089af390 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffff8880089af4f8 R08: 0000000000000003 R09: fffffbfff4287e11
R10: 0000000000000001 R11: ffff888005de8908 R12: 0000000000000000
R13: ffff88810936a000 R14: ffff88810936a000 R15: ffff888004d78040
FS:  00007fdf9883a680(0000) GS:ffff88811a400000(0000)
knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bc14adbf40 CR3: 000000000b87c005 CR4: 00000000003706e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ixgbevf_ipsec_add_sa+0x1bf/0x9c0 [ixgbevf]
 ? rcu_read_lock_sched_held+0x91/0xc0
 ? ixgbevf_ipsec_parse_proto_keys.isra.9+0x280/0x280 [ixgbevf]
 ? lock_acquire+0x191/0x720
 ? bond_ipsec_add_sa+0x48/0x350 [bonding]
 ? lockdep_hardirqs_on_prepare+0x3e0/0x3e0
 ? rcu_read_lock_held+0x91/0xa0
 ? rcu_read_lock_sched_held+0xc0/0xc0
 bond_ipsec_add_sa+0x193/0x350 [bonding]
 xfrm_dev_state_add+0x2a9/0x770
 ? memcpy+0x38/0x60
 xfrm_add_sa+0x2278/0x3b10 [xfrm_user]
 ? xfrm_get_policy+0xaa0/0xaa0 [xfrm_user]
 ? register_lock_class+0x1750/0x1750
 xfrm_user_rcv_msg+0x331/0x660 [xfrm_user]
 ? rcu_read_lock_sched_held+0x91/0xc0
 ? xfrm_user_state_lookup.constprop.39+0x320/0x320 [xfrm_user]
 ? find_held_lock+0x3a/0x1c0
 ? mutex_lock_io_nested+0x1210/0x1210
 ? sched_clock_cpu+0x18/0x170
 netlink_rcv_skb+0x121/0x350
[ ... ]

Fixes: 272c2330ad ("xfrm: bail early on slave pass over skb")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-07-06 10:36:59 -07:00
Linus Torvalds e04360a2ea RDMA v5.14 merge window Pull Request
This PR contains a replacement driver for Intel iWarp hardware. This new
 driver supports the old ethernet hardware and also newer chips that can do
 ROCE. Otherwise this contains the typical mix of patches:
 
 - Driver updates and cleanups for bnxt_re, cxgb4, mlx4, and mlx5
 
 - Many static checker driven code clean ups, including a wide refcount_t
   conversion
 
 - Several series for the hns driver, more HIP09 HW capabilities, migration
   to new HW register manipulators, and code cleanups
 
 - Minor fixes and improvements  in srp, rts, and cm
 
 - Improvements throughout for sysfs related code to use DEVICE_ATTR_*,
   make the ib_port sysfs first-class, and overall use sysfs APIs properly
 
 - Intel's new irdma driver replacing i40iw
 
 - rxe general clean ups and Memory Window support
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma

Pull rdma updates from Jason Gunthorpe:
 "This contains a replacement driver for Intel iWarp hardware. This new
  driver supports the old ethernet hardware and also newer chips that
  can do ROCE.

  Other than that, this contains the typical mix of patches:

   - Driver updates and cleanups for bnxt_re, cxgb4, mlx4, and mlx5

   - Many static checker driven code clean ups, including a wide
     refcount_t conversion

   - Several series for the hns driver, more HIP09 HW capabilities,
     migration to new HW register manipulators, and code cleanups

   - Minor fixes and improvements in srp, rts, and cm

   - Improvements throughout for sysfs related code to use
     DEVICE_ATTR_*, make the ib_port sysfs first-class, and overall use
     sysfs APIs properly

   - Intel's new irdma driver replacing i40iw

   - rxe general clean ups and Memory Window support"

* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma: (211 commits)
  RDMA/core: Always release restrack object
  RDMA/mlx5: Don't access NULL-cleared mpi pointer
  RDMA/irdma: Fix potential overflow expression in irdma_prm_get_pbles
  RDMA/irdma: Check contents of user-space irdma_mem_reg_req object
  RDMA/rxe: Missing unlock on error in get_srq_wqe()
  RDMA/cma: Fix rdma_resolve_route() memory leak
  RDMA/core/sa_query: Remove unused argument
  RDMA/cma: Fix incorrect Packet Lifetime calculation
  RDMA/cma: Protect RMW with qp_mutex
  RDMA/cma: Remove unnecessary INIT->INIT transition
  RDMA/hns: Add window selection field of congestion control
  RDMA/hfi1: Remove use of kmap()
  RDMA/irdma: Remove use of kmap()
  RDMA/bnxt_re: Fix uninitialized struct bit field rsvd1
  IB/isert: Align target max I/O size to initiator size
  RDMA/hns: Fix incorrect vlan enable bit in QPC
  MAINTAINERS: Update Broadcom RDMA maintainers
  RDMA/irdma: Use the queried port attributes
  RDMA/rxe: Fix redundant skb_put_zero
  RDMA/rxe: Fix extra copy in prepare_ack_packet
  ...
2021-07-01 14:54:03 -07:00
Jedrzej Jagielski 382a7c20d9 igb: Fix position of assignment to *ring
Assignment to *ring should be done after correctness check of the
argument queue.

Fixes: 91db364236 ("igb: Refactor igb_configure_cbs()")
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@intel.com>
Acked-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:59:21 -07:00
Aleksandr Loktionov 6c19d77261 igb: Check if num of q_vectors is smaller than max before array access
Ensure that the adapter->q_vector[MAX_Q_VECTORS] array isn't accessed
beyond its size. It was fixed by using a local variable num_q_vectors
as a limit for loop index, and ensure that num_q_vectors is not bigger
than MAX_Q_VECTORS.

Fixes: 047e0030f1 ("igb: add new data structure for handling interrupts and NAPI")
Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Grzegorz Siwik <grzegorz.siwik@intel.com>
Reviewed-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com>
Reviewed-by: Slawomir Laba <slawomirx.laba@intel.com>
Reviewed-by: Sylwester Dziedziuch <sylwesterx.dziedziuch@intel.com>
Reviewed-by: Mateusz Palczewski <mateusz.placzewski@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:59:21 -07:00
Christophe JAILLET af30cbd2f4 iavf: Fix an error handling path in 'iavf_probe()'
If an error occurs after a 'pci_enable_pcie_error_reporting()' call, it
must be undone by a corresponding 'pci_disable_pcie_error_reporting()'
call, as already done in the remove function.

Fixes: 5eae00c57f ("i40evf: main driver core")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:59:21 -07:00
Christophe JAILLET 4589075608 e1000e: Fix an error handling path in 'e1000_probe()'
If an error occurs after a 'pci_enable_pcie_error_reporting()' call, it
must be undone by a corresponding 'pci_disable_pcie_error_reporting()'
call, as already done in the remove function.

Fixes: 111b9dc5c9 ("e1000e: add aer support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:59:21 -07:00
Christophe JAILLET e85e14d68f fm10k: Fix an error handling path in 'fm10k_probe()'
If an error occurs after a 'pci_enable_pcie_error_reporting()' call, it
must be undone by a corresponding 'pci_disable_pcie_error_reporting()'
call, as already done in the remove function.

Fixes: 19ae1b3fb9 ("fm10k: Add support for PCI power management and error handling")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:59:21 -07:00
Christophe JAILLET fea03b1ceb igb: Fix an error handling path in 'igb_probe()'
If an error occurs after a 'pci_enable_pcie_error_reporting()' call, it
must be undone by a corresponding 'pci_disable_pcie_error_reporting()'
call, as already done in the remove function.

Fixes: 40a914fa72 ("igb: Add support for pci-e Advanced Error Reporting")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:59:04 -07:00
Christophe JAILLET c6bc9e5ce5 igc: Fix an error handling path in 'igc_probe()'
If an error occurs after a 'pci_enable_pcie_error_reporting()' call, it
must be undone by a corresponding 'pci_disable_pcie_error_reporting()'
call, as already done in the remove function.

Fixes: c9a11c23ce ("igc: Add netdev")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:53:22 -07:00
Christophe JAILLET dd2aefcd5e ixgbe: Fix an error handling path in 'ixgbe_probe()'
If an error occurs after a 'pci_enable_pcie_error_reporting()' call, it
must be undone by a corresponding 'pci_disable_pcie_error_reporting()'
call, as already done in the remove function.

Fixes: 6fabd715e6 ("ixgbe: Implement PCIe AER support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:53:22 -07:00
Tom Rix 05682a0a61 igc: change default return of igc_read_phy_reg()
Static analysis reports this problem

igc_main.c:4944:20: warning: The left operand of '&'
  is a garbage value
    if (!(phy_data & SR_1000T_REMOTE_RX_STATUS) &&
          ~~~~~~~~ ^

phy_data is set by the call to igc_read_phy_reg() only if
there is a read_reg() op, else it is unset and a 0 is
returned.  Change the return to -EOPNOTSUPP.

Fixes: 208983f099 ("igc: Add watchdog")
Signed-off-by: Tom Rix <trix@redhat.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:53:22 -07:00
Vinicius Costa Gomes 7b292608db igb: Fix use-after-free error during reset
Cleans the next descriptor to watch (next_to_watch) when cleaning the
TX ring.

Failure to do so can cause invalid memory accesses. If igb_poll() runs
while the controller is reset this can lead to the driver try to free
a skb that was already freed.

(The crash is harder to reproduce with the igb driver, but the same
potential problem exists as the code is identical to igc)

Fixes: 7cc6fd4c60 ("igb: Don't bother clearing Tx buffer_info in igb_clean_tx_ring")
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Reported-by: Erez Geva <erez.geva.ext@siemens.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:53:04 -07:00
Vinicius Costa Gomes 56ea7ed103 igc: Fix use-after-free error during reset
Cleans the next descriptor to watch (next_to_watch) when cleaning the
TX ring.

Failure to do so can cause invalid memory accesses. If igc_poll() runs
while the controller is being reset this can lead to the driver try to
free a skb that was already freed.

Log message:

 [  101.525242] refcount_t: underflow; use-after-free.
 [  101.525251] WARNING: CPU: 1 PID: 646 at lib/refcount.c:28 refcount_warn_saturate+0xab/0xf0
 [  101.525259] Modules linked in: sch_etf(E) sch_mqprio(E) rfkill(E) intel_rapl_msr(E) intel_rapl_common(E)
 x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) binfmt_misc(E) kvm_intel(E) kvm(E) irqbypass(E) crc32_pclmul(E)
 ghash_clmulni_intel(E) aesni_intel(E) mei_wdt(E) libaes(E) crypto_simd(E) cryptd(E) glue_helper(E) snd_hda_codec_hdmi(E)
 rapl(E) intel_cstate(E) snd_hda_intel(E) snd_intel_dspcfg(E) sg(E) soundwire_intel(E) intel_uncore(E) at24(E)
 soundwire_generic_allocation(E) iTCO_wdt(E) soundwire_cadence(E) intel_pmc_bxt(E) serio_raw(E) snd_hda_codec(E)
 iTCO_vendor_support(E) watchdog(E) snd_hda_core(E) snd_hwdep(E) snd_soc_core(E) snd_compress(E) snd_pcsp(E)
 soundwire_bus(E) snd_pcm(E) evdev(E) snd_timer(E) mei_me(E) snd(E) soundcore(E) mei(E) configfs(E) ip_tables(E) x_tables(E)
 autofs4(E) ext4(E) crc32c_generic(E) crc16(E) mbcache(E) jbd2(E) sd_mod(E) t10_pi(E) crc_t10dif(E) crct10dif_generic(E)
 i915(E) ahci(E) libahci(E) ehci_pci(E) igb(E) xhci_pci(E) ehci_hcd(E)
 [  101.525303]  drm_kms_helper(E) dca(E) xhci_hcd(E) libata(E) crct10dif_pclmul(E) cec(E) crct10dif_common(E) tsn(E) igc(E)
 e1000e(E) ptp(E) i2c_i801(E) crc32c_intel(E) psmouse(E) i2c_algo_bit(E) i2c_smbus(E) scsi_mod(E) lpc_ich(E) pps_core(E)
 usbcore(E) drm(E) button(E) video(E)
 [  101.525318] CPU: 1 PID: 646 Comm: irq/37-enp7s0-T Tainted: G            E     5.10.30-rt37-tsn1-rt-ipipe #ipipe
 [  101.525320] Hardware name: SIEMENS AG SIMATIC IPC427D/A5E31233588, BIOS V17.02.09 03/31/2017
 [  101.525322] RIP: 0010:refcount_warn_saturate+0xab/0xf0
 [  101.525325] Code: 05 31 48 44 01 01 e8 f0 c6 42 00 0f 0b c3 80 3d 1f 48 44 01 00 75 90 48 c7 c7 78 a8 f3 a6 c6 05 0f 48
 44 01 01 e8 d1 c6 42 00 <0f> 0b c3 80 3d fe 47 44 01 00 0f 85 6d ff ff ff 48 c7 c7 d0 a8 f3
 [  101.525327] RSP: 0018:ffffbdedc0917cb8 EFLAGS: 00010286
 [  101.525329] RAX: 0000000000000000 RBX: ffff98fd6becbf40 RCX: 0000000000000001
 [  101.525330] RDX: 0000000000000001 RSI: ffffffffa6f2700c RDI: 00000000ffffffff
 [  101.525332] RBP: ffff98fd6becc14c R08: ffffffffa7463d00 R09: ffffbdedc0917c50
 [  101.525333] R10: ffffffffa74c3578 R11: 0000000000000034 R12: 00000000ffffff00
 [  101.525335] R13: ffff98fd6b0b1000 R14: 0000000000000039 R15: ffff98fd6be35c40
 [  101.525337] FS:  0000000000000000(0000) GS:ffff98fd6e240000(0000) knlGS:0000000000000000
 [  101.525339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
 [  101.525341] CR2: 00007f34135a3a70 CR3: 0000000150210003 CR4: 00000000001706e0
 [  101.525343] Call Trace:
 [  101.525346]  sock_wfree+0x9c/0xa0
 [  101.525353]  unix_destruct_scm+0x7b/0xa0
 [  101.525358]  skb_release_head_state+0x40/0x90
 [  101.525362]  skb_release_all+0xe/0x30
 [  101.525364]  napi_consume_skb+0x57/0x160
 [  101.525367]  igc_poll+0xb7/0xc80 [igc]
 [  101.525376]  ? sched_clock+0x5/0x10
 [  101.525381]  ? sched_clock_cpu+0xe/0x100
 [  101.525385]  net_rx_action+0x14c/0x410
 [  101.525388]  __do_softirq+0xe9/0x2f4
 [  101.525391]  __local_bh_enable_ip+0xe3/0x110
 [  101.525395]  ? irq_finalize_oneshot.part.47+0xe0/0xe0
 [  101.525398]  irq_forced_thread_fn+0x6a/0x80
 [  101.525401]  irq_thread+0xe8/0x180
 [  101.525403]  ? wake_threads_waitq+0x30/0x30
 [  101.525406]  ? irq_thread_check_affinity+0xd0/0xd0
 [  101.525408]  kthread+0x183/0x1a0
 [  101.525412]  ? kthread_park+0x80/0x80
 [  101.525415]  ret_from_fork+0x22/0x30

Fixes: 13b5b7fd6a ("igc: Add support for Tx/Rx rings")
Reported-by: Erez Geva <erez.geva.ext@siemens.com>
Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-07-01 10:51:50 -07:00
Jakub Kicinski b6df00789e Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Trivial conflict in net/netfilter/nf_tables_api.c.

Duplicate fix in tools/testing/selftests/net/devlink_port_split.py
- take the net-next version.

skmsg, and L4 bpf - keep the bpf code but remove the flags
and err params.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-06-29 15:45:27 -07:00
David S. Miller e1289cfb63 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
Daniel Borkmann says:

====================
pull-request: bpf-next 2021-06-28

The following pull-request contains BPF updates for your *net-next* tree.

We've added 37 non-merge commits during the last 12 day(s) which contain
a total of 56 files changed, 394 insertions(+), 380 deletions(-).

The main changes are:

1) XDP driver RCU cleanups, from Toke Høiland-Jørgensen and Paul E. McKenney.

2) Fix bpf_skb_change_proto() IPv4/v6 GSO handling, from Maciej Żenczykowski.

3) Fix false positive kmemleak report for BPF ringbuf alloc, from Rustam Kovhaev.

4) Fix x86 JIT's extable offset calculation for PROBE_LDX NULL, from Ravi Bangoria.

5) Enable libbpf fallback probing with tracing under RHEL7, from Jonathan Edwards.

6) Clean up x86 JIT to remove unused cnt tracking from EMIT macro, from Jiri Olsa.

7) Netlink cleanups for libbpf to please Coverity, from Kumar Kartikeya Dwivedi.

8) Allow to retrieve ancestor cgroup id in tracing programs, from Namhyung Kim.

9) Fix lirc BPF program query to use user-provided prog_cnt, from Sean Young.

10) Add initial libbpf doc including generated kdoc for its API, from Grant Seltzer.

11) Make xdp_rxq_info_unreg_mem_model() more robust, from Jakub Kicinski.

12) Fix up bpfilter startup log-level to info level, from Gary Lin.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-28 15:28:03 -07:00
Christophe JAILLET b81c191c46 ice: Fix a memory leak in an error handling path in 'ice_pf_dcb_cfg()'
If this 'kzalloc()' fails we must free some resources as in all the other
error handling paths of this function.

Fixes: 348048e724 ("ice: Implement iidc operations")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-25 11:30:50 -07:00
Tony Nguyen 70fa0a0780 ice: remove unnecessary VSI assignment
ice_get_vf_vsi() is being called twice for the same VSI. Remove the
unnecessary call/assignment.

Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
2021-06-25 11:30:50 -07:00
Victor Raj 37c592062b ice: remove the VSI info from previous agg
Remove the VSI info from previous aggregator after moving the VSI to a
new aggregator.

Signed-off-by: Victor Raj <victor.raj@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-25 11:30:49 -07:00
Maciej Machnikowski 172db5f91d ice: add support for auxiliary input/output pins
The E810 device supports programmable pins for enabling both input and
output events related to the PTP hardware clock. This includes both
output signals with programmable period, as well as timestamping of
events on input pins.

Add support for enabling these using the CONFIG_PTP_1588_CLOCK
interface.

This allows programming the software defined pins to take advantage of
the hardware clock features.

Signed-off-by: Maciej Machnikowski <maciej.machnikowski@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-25 11:30:49 -07:00
Jesse Brandeburg 3089cf6d3c ice: add tracepoints
This patch is modeled after one by Scott Peterson for i40e.

Add tracepoints to the driver, via a new file ice_trace.h and some new
trace calls added in interesting places in the driver. Add some tracing
for DIMLIB to help debug interrupt moderation problems.

Performance should not be affected, and this can be very useful
for debugging and adding new trace events to paths in the future.

Note eBPF programs can attach to these events, as well as perf
can count them since we're attaching to the events subsystem
in the kernel.

Co-developed-by: Ben Shelton <benjamin.h.shelton@intel.com>
Signed-off-by: Ben Shelton <benjamin.h.shelton@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-25 08:32:18 -07:00
Sasha Neftin 2e7256f12c e1000e: Check the PCIm state
Complete to commit def4ec6dce ("e1000e: PCIm function state support")
Check the PCIm state only on CSME systems. There is no point to do this
check on non CSME systems.
This patch fixes a generation a false-positive warning:
"Error in exiting dmoff"

Fixes: def4ec6dce ("e1000e: PCIm function state support")
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-24 15:01:04 -07:00
Jan Sokolowski 956e759d5f i40e: Fix missing rtnl locking when setting up pf switch
A recent change that made i40e use new udp_tunnel infrastructure
uses a method that expects to be called under rtnl lock.

However, not all codepaths do the lock prior to calling
i40e_setup_pf_switch.

Fix that by adding additional rtnl locking and unlocking.

Fixes: 40a98cb6f0 ("i40e: convert to new udp_tunnel infrastructure")
Signed-off-by: Jan Sokolowski <jan.sokolowski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-24 11:06:37 -07:00
Jesse Brandeburg 26b0ce8dd3 i40e: fix PTP on 5Gb links
As reported by Alex Sergeev, the i40e driver is incrementing the PTP
clock at 40Gb speeds when linked at 5Gb. Fix this bug by making
sure that the right multiplier is selected when linked at 5Gb.

Fixes: 3dbdd6c2f7 ("i40e: Add support for 5Gbps cards")
Cc: stable@vger.kernel.org
Reported-by: Alex Sergeev <asergeev@carbonrobotics.com>
Suggested-by: Alex Sergeev <asergeev@carbonrobotics.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-24 11:06:28 -07:00
Toke Høiland-Jørgensen 49589b23d5 intel: Remove rcu_read_lock() around XDP program invocation
The Intel drivers all have rcu_read_lock()/rcu_read_unlock() pairs around
XDP program invocations. However, the actual lifetime of the objects
referred by the XDP program invocation is longer, all the way through to
the call to xdp_do_flush(), making the scope of the rcu_read_lock() too
small. This turns out to be harmless because it all happens in a single
NAPI poll cycle (and thus under local_bh_disable()), but it makes the
rcu_read_lock() misleading.

Rather than extend the scope of the rcu_read_lock(), just get rid of it
entirely. With the addition of RCU annotations to the XDP_REDIRECT map
types that take bh execution into account, lockdep even understands this to
be safe, so there's really no reason to keep it around.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com> # i40e
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: intel-wired-lan@lists.osuosl.org
Link: https://lore.kernel.org/bpf/20210624160609.292325-12-toke@redhat.com
2021-06-24 19:44:34 +02:00
Mateusz Palczewski 9262793e59 i40e: Fix autoneg disabling for non-10GBaseT links
Disabling autonegotiation was allowed only for 10GBaseT PHY.
The condition was changed to check if link media type is BaseT.

Fixes: 3ce12ee9d8 ("i40e: Fix order of checks when enabling/disabling autoneg in ethtool")
Reviewed-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com>
Reviewed-by: Karen Sornek <karen.sornek@intel.com>
Signed-off-by: Dawid Lukwinski <dawid.lukwinski@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-24 10:23:57 -07:00
Dinghao Liu 9c04cfcd4a i40e: Fix error handling in i40e_vsi_open
When vsi->type == I40E_VSI_FDIR, we have caught the return value of
i40e_vsi_request_irq() but without further handling. Check and execute
memory clean on failure just like the other i40e_vsi_request_irq().

Fixes: 8a9eb7d3cb ("i40e: rework fdir setup and teardown")
Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-24 09:38:26 -07:00
Jason Gunthorpe fdcebbc2ac Linux 5.13-rc7
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Merge tag 'v5.13-rc7' into rdma.git for-next

Linux 5.13-rc7

Needed for dependencies in following patches. Merge conflict in rxe_cmop.c
resolved by compining both patches.

Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
2021-06-22 14:43:51 -03:00
Jakub Kicinski adc2e56ebe Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Trivial conflicts in net/can/isotp.c and
tools/testing/selftests/net/mptcp/mptcp_connect.sh

scaled_ppm_to_ppb() was moved from drivers/ptp/ptp_clock.c
to include/linux/ptp_clock_kernel.h in -next so re-apply
the fix there.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-06-18 19:47:02 -07:00
Jesse Brandeburg 37dc8fea86 iavf: clean up packet type lookup table
Remove the unused ptype struct value, which makes table init easier for
the zero entries, and use ranged initializer to remove a bunch of code
(works with gcc and clang). There is no significant functional change.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-18 09:04:44 -07:00
Jesse Brandeburg c6e088bf30 i40e: clean up packet type lookup table
Remove the unused ptype struct value, which makes table init easier for
the zero entries, and use ranged initializer to remove a bunch of code
(works with gcc and clang). There is no significant functional change.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Dave Switzer <david.switzer@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-18 09:04:44 -07:00
Jesse Brandeburg dda90cb90a ice: report hash type such as L2/L3/L4
The hardware is reporting the type of the hash used for RSS
as a PTYPE field in the receive descriptor. Use this value to set
the skb packet hash type by extending the hash type table to
cover all 10-bits of possible values (requiring some variables
to be changed from u8 to u16), and then use that table to convert
to one of the possible values in enum pkt_hash_types.

While we're here, remove the unused ptype struct value, which
makes table init easier for the zero entries, and use ranged
initializer to remove a bunch of code (works with gcc and clang).

Without this change, the kernel will recalculate the hash in software,
which can consume extra CPU cycles.

Co-developed-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Kiran Patil <kiran.patil@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-18 08:59:46 -07:00
Colin Ian King 587b839de7 ice: remove redundant continue statement in a for-loop
The continue statement in the for-loop is redundant. Re-work the hw_lock
check to remove it.

Addresses-Coverity: ("Continue has no effect")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:25:06 -07:00
Lorenzo Bianconi 4d7f75fe80 net: ice: ptp: fix compilation warning if PTP_1588_CLOCK is disabled
Fix the following compilation warning if PTP_1588_CLOCK is not enabled

drivers/net/ethernet/intel/ice/ice_ptp.h:149:1:
   error: return type defaults to ‘int’ [-Werror=return-type]
   ice_ptp_request_ts(struct ice_ptp_tx *tx, struct sk_buff *skb)

Fixes: ea9b847cda ("ice: enable transmit timestamps for E810 devices")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:24:49 -07:00
Jacob Keller 1e00113413 ice: remove unnecessary NULL checks before ptp_read_system_*
The ptp_read_system_prets and ptp_read_system_postts functions already
check for the NULL value of the ptp_system_timestamp structure pointer.
There is no need to check this manually in the ice driver code. Remove
the checks.

Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:24:27 -07:00
Shaokun Zhang b13ad3e08d ice: Remove the repeated declaration
Function 'ice_is_vsi_valid' is declared twice, remove the
repeated declaration.

Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Tony Nguyen <anthony.l.nguyen@intel.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:19:59 -07:00
Paul M Stillwell Jr c73bf3bd83 ice: remove local variable
Remove the local variable since it's only used once. Instead, use it
directly.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:19:59 -07:00
Paul M Stillwell Jr b6b0501d8d ice: reduce scope of variables
There are some places where the scope of a variable can
be reduced so do that.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:19:59 -07:00
Jacob Keller 0c526d440f ice: mark PTYPE 2 as reserved
The entry for PTYPE 2 in the ice_ptype_lkup table incorrectly states
that this is an L2 packet with no payload. According to the datasheet,
this PTYPE is actually unused and reserved.

Fix the lookup entry to indicate this is an unused entry that is
reserved.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:19:59 -07:00
Jacob Keller 638a0c8c88 ice: fix incorrect payload indicator on PTYPE
The entry for PTYPE 90 indicates that the payload is layer 3. This does
not match the specification in the datasheet which indicates the packet
is a MAC, IPv6, UDP packet, with a payload in layer 4.

Fix the lookup table to match the data sheet.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-17 09:19:58 -07:00
Jacob Keller ea9b847cda ice: enable transmit timestamps for E810 devices
Add support for enabling Tx timestamp requests for outgoing packets on
E810 devices.

The ice hardware can support multiple outstanding Tx timestamp requests.
When sending a descriptor to hardware, a Tx timestamp request is made by
setting a request bit, and assigning an index that represents which Tx
timestamp index to store the timestamp in.

Hardware makes no effort to synchronize the index use, so it is up to
software to ensure that Tx timestamp indexes are not re-used before the
timestamp is reported back.

To do this, introduce a Tx timestamp tracker which will keep track of
currently in-use indexes.

In the hot path, if a packet has a timestamp request, an index will be
requested from the tracker. Unfortunately, this does require a lock as
the indexes are shared across all queues on a PHY. There are not enough
indexes to reliably assign only 1 to each queue.

For the E810 devices, the timestamp indexes are not shared across PHYs,
so each port can have its own tracking.

Once hardware captures a timestamp, an interrupt is fired. In this
interrupt, trigger a new work item that will figure out which timestamp
was completed, and report the timestamp back to the stack.

This function loops through the Tx timestamp indexes and checks whether
there is now a valid timestamp. If so, it clears the PHY timestamp
indication in the PHY memory, locks and removes the SKB and bit in the
tracker, then reports the timestamp to the stack.

It is possible in some cases that a timestamp request will be initiated
but never completed. This might occur if the packet is dropped by
software or hardware before it reaches the PHY.

Add a task to the periodic work function that will check whether
a timestamp request is more than a few seconds old. If so, the timestamp
index is cleared in the PHY, and the SKB is released.

Just as with Rx timestamps, the Tx timestamps are only 40 bits wide, and
use the same overall logic for extending to 64 bits of nanoseconds.

With this change, E810 devices should be able to perform basic PTP
functionality.

Future changes will extend the support to cover the E822-based devices.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 08:47:41 -07:00
Jacob Keller 77a781155a ice: enable receive hardware timestamping
Add SIOCGHWTSTAMP and SIOCSHWTSTAMP ioctl handlers to respond to
requests to enable timestamping support. If the request is for enabling
Rx timestamps, set a bit in the Rx descriptors to indicate that receive
timestamps should be reported.

Hardware captures receive timestamps in the PHY which only captures part
of the timer, and reports only 40 bits into the Rx descriptor. The upper
32 bits represent the contents of GLTSYN_TIME_L at the point of packet
reception, while the lower 8 bits represent the upper 8 bits of
GLTSYN_TIME_0.

The networking and PTP stack expect 64 bit timestamps in nanoseconds. To
support this, implement some logic to extend the timestamps by using the
full PHC time.

If the Rx timestamp was captured prior to the PHC time, then the real
timestamp is

  PHC - (lower_32_bits(PHC) - timestamp)

If the Rx timestamp was captured after the PHC time, then the real
timestamp is

  PHC + (timestamp - lower_32_bits(PHC))

These calculations are correct as long as neither the PHC timestamp nor
the Rx timestamps are more than 2^32-1 nanseconds old. Further, we can
detect when the Rx timestamp is before or after the PHC as long as the
PHC timestamp is no more than 2^31-1 nanoseconds old.

In that case, we calculate the delta between the lower 32 bits of the
PHC and the Rx timestamp. If it's larger than 2^31-1 then the Rx
timestamp must have been captured in the past. If it's smaller, then the
Rx timestamp must have been captured after PHC time.

Add an ice_ptp_extend_32b_ts function that relies on a cached copy of
the PHC time and implements this algorithm to calculate the proper upper
32bits of the Rx timestamps.

Cache the PHC time periodically in all of the Rx rings. This enables
each Rx ring to simply call the extension function with a recent copy of
the PHC time. By ensuring that the PHC time is kept up to date
periodically, we ensure this algorithm doesn't use stale data and
produce incorrect results.

To cache the time, introduce a kworker and a kwork item to periodically
store the Rx time. It might seem like we should use the .do_aux_work
interface of the PTP clock. This doesn't work because all PFs must cache
this time, but only one PF owns the PTP clock device.

Thus, the ice driver will manage its own kthread instead of relying on
the PTP do_aux_work handler.

With this change, the driver can now report Rx timestamps on all
incoming packets.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 08:47:41 -07:00
Jacob Keller 67569a7f94 ice: report the PTP clock index in ethtool .get_ts_info
Now that the driver registers a PTP clock device that represents the
clock hardware, it is important that the clock index is reported via the
ethtool .get_ts_info callback.

The underlying hardware resource is shared between multiple PF
functions. Only one function owns the hardware resources associated with
a timer, but multiple functions may be associated with it for the
purposes of timestamping.

To support this, the owning PF will store the clock index into the
driver shared parameters buffer in firmware. Other PFs will look up the
clock index by reading the driver shared parameter on demand when
requested via the .get_ts_info ethtool function.

In this way, all functions which are tied to the same timer are able to
report the clock index. Userspace software such as ptp4l performs
a look up on the netdev to determine the associated clock, and all
commands to control or configure the clock will be handled through the
controlling PF.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 08:47:41 -07:00
Jacob Keller 06c16d89d2 ice: register 1588 PTP clock device object for E810 devices
Add a new ice_ptp.c file for holding the basic PTP clock interface
functions. If the device supports PTP, call the new ice_ptp_init and
ice_ptp_release functions where appropriate.

If the function owns the hardware resource associated with the PTP
hardware clock, register with the PTP_1588_CLOCK infrastructure to
allocate a new clock object that represents the device hardware clock.

Implement basic functionality for reading and setting the clock time,
performing clock adjustments, and adjusting the clock frequency.

Future changes will introduce functionality for handling related
features including Tx and Rx timestamps.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 08:47:30 -07:00
Jacob Keller 03cb4473be ice: add low level PTP clock access functions
Add the ice_ptp_hw.c file and some associated definitions to the ice
driver folder. This file contains basic low level definitions for
functions that interact with the device hardware.

For now, only E810-based devices are supported. The ice hardware
supports 2 major variants which have different PHYs with different
procedures necessary for interacting with the device clock.

Because the device captures timestamps in the PHY, each PHY has its own
internal timer. The timers are synchronized in hardware by first
preparing the source timer and the PHY timer shadow registers, and then
issuing a synchronization command. This ensures that both the source
timer and PHY timers are programmed simultaneously. The timers
themselves are all driven from the same oscillator source.

The functions in ice_ptp_hw.c abstract over the differences between how
the PHYs in E810 are programmed vs how the PHYs in E822 devices are
programmed. This series only implements E810 support, but E822 support
will be added in a future change.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Jacob Keller 7f9ab54d31 ice: add support for set/get of driver-stored firmware parameters
Depending on the device configuration, the ice hardware may share the
PTP hardware clock timer between multiple PFs. Each PF is informed by
firmware during initialization of the PTP timer association.

When bringing up PTP, only the PFs which own the timer shall allocate
a PTP hardware clock. Other PFs associated with that timer must report
the correct PTP clock index in order to allow userspace software the
ability to know which ports are connected to the same clock.

To support this, the firmware has driver shared parameters. These
parameters enable one PF to write the clock index into firmware, and
have other PFs read the associated value out. This enables the driver to
have only a single PF allocate and control the device timer registers,
while other PFs associated with that timer can report the correct clock
in the ETHTOOL_GET_TS_INFO report.

Add support for the necessary admin queue commands to enable reading and
writing of the driver shared parameters. This will be used in a future
change to enable sharing the PTP clock index between PF drivers.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Jacob Keller 9733cc94c5 ice: process 1588 PTP capabilities during initialization
The device firmware reports PTP clock capabilities to each PF during
initialization. This includes various information for both the overall
device and the individual function, including

For functions:
* whether this function has timesync enabled
* whether this function owns one of the 2 possible clock timers, and
  which one
* which timer the function is associated with
* the clock frequency, if the device supports multiple clock frequencies
* The GPIO pin association for the timer owned by this PF, if any

For the device:
* Which PF owns timer 0, if any
* Which PF owns timer 1, if any
* whether timer 0 is enabled
* whether timer 1 is enabled

Extract the bits from the capabilities information reported by firmware
and store them in the device and function capability structures.o

This information will be used in a future change to have the function
driver enable PTP hardware clock support.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Jacob Keller 8f5ee3c477 ice: add support for sideband messages
In order to support certain device features, including enabling the PTP
hardware clock, the ice driver needs to control some registers on the
device PHY.

These registers are accessed by sending sideband messages. For some
hardware, these messages must be sent over the device admin queue, while
other hardware has a dedicated control queue for the sideband messages.

Add the neighbor device message structure for sending a message to the
neighboring device. Where supported, initialize the sideband control
queue and handle cleanup.

Add a wrapper function for sending sideband control queue messages that
read or write a neighboring device register.

Because some devices send sideband messages over the AdminQ, also
increase the length of the admin queue to allow more messages to be
queued up. This is important because the sideband messages add
additional pressure on the AQ usage.

This support will be used in following patches to enable support for
CONFIG_1588_PTP_CLOCK.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-11 07:38:00 -07:00
Maciej Fijalkowski 2e84f6b377 ice: parameterize functions responsible for Tx ring management
Commit ae15e0ba1b ("ice: Change number of XDP Tx queues to match
number of Rx queues") tried to address the incorrect setting of XDP
queue count that was based on the Tx queue count, whereas in theory we
should provide the XDP queue per Rx queue. However, the routines that
setup and destroy the set of Tx resources are still based on the
vsi->num_txq.

Ice supports the asynchronous Tx/Rx queue count, so for a setup where
vsi->num_txq > vsi->num_rxq, ice_vsi_stop_tx_rings and ice_vsi_cfg_txqs
will be accessing the vsi->xdp_rings out of the bounds.

Parameterize two mentioned functions so they get the size of Tx resources
array as the input.

Fixes: ae15e0ba1b ("ice: Change number of XDP Tx queues to match number of Rx queues")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-09 13:15:10 -07:00
Maciej Fijalkowski ebc5399ea1 ice: add ndo_bpf callback for safe mode netdev ops
ice driver requires a programmable pipeline firmware package in order to
have a support for advanced features. Otherwise, driver falls back to so
called 'safe mode'. For that mode, ndo_bpf callback is not exposed and
when user tries to load XDP program, the following happens:

$ sudo ./xdp1 enp179s0f1
libbpf: Kernel error message: Underlying driver does not support XDP in native mode
link set xdp fd failed

which is sort of confusing, as there is a native XDP support, but not in
the current mode. Improve the user experience by providing the specific
ndo_bpf callback dedicated for safe mode which will make use of extack
to explicitly let the user know that the DDP package is missing and
that's the reason that the XDP can't be loaded onto interface currently.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Fixes: efc2214b60 ("ice: Add support for XDP")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-09 13:15:10 -07:00
David S. Miller b3ef1550a4 Merge branch '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/next-queue
Tony Nguyen says:

====================
100GbE Intel Wired LAN Driver Updates 2021-06-07

This series contains updates to virtchnl header file and ice driver.

Brett adds capability bits to virtchnl to specify whether a primary or
secondary MAC address is being requested and adds the implementation to
ice. He also adds storing of VF MAC address so that it will be preserved
across reboots of VM and refactors VF queue configuration to remove the
expectation that configuration be done all at once.

Krzysztof refactors ice_setup_rx_ctx() to remove configuration not
related to Rx context into a new function, ice_vsi_cfg_rxq().

Liwei Song extends the wait time for the global config timeout.

Salil Mehta refactors code in ice_vsi_set_num_qs() to remove an
unnecessary call when the user has requested specific number of Rx or Tx
queues.

Jesse converts define macros to static inlines for NOP configurations.

Jake adds messaging when devlink fails to read device capabilities and
when pldmfw cannot find the requested firmware. Adds a wait for reset
completion when reporting devlink info and reinitializes NVM during
rebuild to ensure values are current.

Ani adds detection and reporting of modules exceeding supported power
levels and changes an error message to a debug message.

Paul fixes a clang warning for deadcode.DeadStores.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-07 13:24:50 -07:00
David S. Miller 126285651b Merge ra.kernel.org:/pub/scm/linux/kernel/git/netdev/net
Bug fixes overlapping feature additions and refactoring, mostly.

Signed-off-by: David S. Miller <davem@davemloft.net>
2021-06-07 13:01:52 -07:00
Paul M Stillwell Jr 7e94090ae1 ice: fix clang warning regarding deadcode.DeadStores
clang generates deadcode.DeadStores warnings when a variable
is used to read a value, but then that value isn't used later
in the code. Fix this warning.

Signed-off-by: Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:02 -07:00
Anirudh Venkataramanan a69606cde1 ice: downgrade error print to debug print
Failing to add or remove LLDP filter doesn't seem to be a fatal
error, so downgrade the dev_err message to a dev_dbg message.

Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Anirudh Venkataramanan c77849f546 ice: Detect and report unsupported module power levels
Determine whether an unsupported power configuration is preventing link
establishment by storing and checking the link_cfg_err_byte. Print error
messages when module power levels are unsupported. Also add a new flag
bit to prevent spamming said error messages.

Co-developed-by: Jeb Cramer <jeb.j.cramer@intel.com>
Signed-off-by: Jeb Cramer <jeb.j.cramer@intel.com>
Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Jacob Keller 97a4ec0107 ice: (re)initialize NVM fields when rebuilding
After performing a flash update, a device EMP reset may occur. This
reset will cause the newly downloaded firmware to be initialized. When
this happens, the driver still reports the previous NVM version
information.

This is because the NVM versions are cached within the hw structure.
This can be confusing, as the new firmware is in fact running in this
case.

Handle this by calling ice_init_nvm when rebuilding the driver state.
This will update the flash version information and ensures that the
current values are displayed when reporting the NVM versions to the
stack.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Jacob Keller 1c08052ec4 ice: wait for reset before reporting devlink info
Requesting device firmware information while the device is busy cleaning
up after a reset can result in an unexpected failure:

This occurs because the command is attempting to access the device
AdminQ while it is down. Resolve this by having the command wait for
a while until the reset is complete. To do this, introduce
a reset_wait_queue and associated helper function "ice_wait_for_reset".

This helper will use the wait queue to sleep until the driver is done
rebuilding. Use of a wait queue is preferred because the potential sleep
duration can be several seconds.

To ensure that the thread wakes up properly, a new wake_up call is added
during all code paths which clear the reset state bits associated with
the driver rebuild flow.

Using this ensures that tools can request device information without
worrying about whether the driver is cleaning up from a reset.
Specifically, it is expected that a flash update could result in
a device reset, and it is better to delay the response for information
until the reset is complete rather than exit with an immediate failure.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Jacob Keller e872b94f9c ice: add error message when pldmfw_flash_image fails
When flashing a new firmware image onto the device, the pldmfw library
parses the image contents looking for a matching record. If no record
can be found, the function reports an error of -ENOENT. This can produce
a very confusing error message and experience for the user:

  $devlink dev flash pci/0000🆎00.0 file image.bin
  devlink answers: No such file or directory

This is because the ENOENT error code is interpreted as a missing file
or directory. The pldmfw library does not have direct access to the
extack pointer as it is generic and non-netdevice specific. The only way
that ENOENT is returned by the pldmfw library is when no record matches.

Catch this specific error and report a suitable extended ack message:

  $devlink dev flash pci/0000🆎00.0 file image.bin
  Error: ice: Firmware image has no record matching this device
  devlink answers: No such file or directory

In addition, ensure that we log an error message to the console whenever
this function fails. Because our driver specific PLDM operation
functions potentially set the extended ACK message, avoid overwriting
this with a generic message.

This change should result in an improved experience when attempting to
flash an image that does not have a compatible record.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Jacob Keller d5f84ae95f ice: add extack when unable to read device caps
When filling out information for the DEVLINK_CMD_INFO_GET, the driver
needs to read some device capabilities. Add an extack message to
properly inform the caller of the failure, as we do for other failures
in this function.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Jesse Brandeburg 96cf4f689b ice: use static inline for dummy functions
Trivial:
The driver had previously attempted to use #define
macros to make functions that have no use in certain
configs disappear. Using static inlines instead allows
for certain static checkers to process the code better,
and results in no functional change.

Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Salil Mehta b38b7f2bb4 ice: Re-organizes reqstd/avail {R, T}XQ check/code for efficiency
If user has explicitly requested the number of {R,T}XQs, then it is
unnecessary to get the count of already available {R,T}XQs from the
PF avail_{r,t}xqs bitmap. This value will get overridden by user specified
value in any case.

Re-organize this code for improving the flow, readability and efficiency.
This scope of improvement was found during the review of the ICE driver
code.

Fixes: 87324e747f ("ice: Implement ethtool ops for channels")
Cc: intel-wired-lan@lists.osuosl.org
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Salil Mehta <salil.mehta@huawei.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Liwei Song fb3612840d ice: set the value of global config lock timeout longer
It may need hold Global Config Lock a longer time when download DDP
package file, extend the timeout value to 5000ms to ensure that
download can be finished before other AQ command got time to run,
this will fix the issue below when probe the device, 5000ms is a test
value that work with both Backplane and BreakoutCable NVM image:

ice 0000:f4:00.0: VSI 12 failed lan queue config, error ICE_ERR_CFG
ice 0000:f4:00.0: Failed to delete VSI 12 in FW - error: ICE_ERR_AQ_TIMEOUT
ice 0000:f4:00.0: probe failed due to setup PF switch: -12
ice: probe of 0000:f4:00.0 failed with error -12

Signed-off-by: Liwei Song <liwei.song@windriver.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Brett Creeley 7ad15440ac ice: Refactor VIRTCHNL_OP_CONFIG_VSI_QUEUES handling
Currently, when a VF requests queue configuration via
VIRTCHNL_OP_CONFIG_VSI_QUEUES the PF driver expects that this message
will only be called once and we always assume the queues being
configured start from 0. This is incorrect and is causing issues when
a VF tries to send this message for multiple queue blocks. Fix this by
using the queue_id specified in the virtchnl message and allowing for
individual Rx and/or Tx queues to be configured.

Also, reduce the duplicated for loops for configuring the queues by
moving all the logic into a single for loop.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:59:01 -07:00
Krzysztof Kazimierczak 43c7f9198d ice: Refactor ice_setup_rx_ctx
Move AF_XDP logic and buffer allocation out of ice_setup_rx_ctx() to a
new function ice_vsi_cfg_rxq(), so the function actually sets up the Rx
context.

Signed-off-by: Krzysztof Kazimierczak <krzysztof.kazimierczak@intel.com>
Co-developed-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com>
2021-06-07 08:58:56 -07:00
Brett Creeley f28cd5ce1a ice: Save VF's MAC across reboot
If a VM reboots and/or VF driver is unloaded, its cached hardware MAC
address (hw_lan_addr.addr) is cleared in some cases. If the VF is
trusted, then the PF driver allows the VF to clear its old MAC address
even if this MAC was configured by a host administrator. If the VF is
untrusted, then the PF driver allows the VF to clear its old MAC
address only if the host admin did not set it.

For the trusted VF case, this is unexpected and will cause issues
because the host configured MAC (i.e. via XML) will be cleared on VM
reboot. For the untrusted VF case, this is done to be consistent and it
will allow the VF to keep the same MAC across VM reboot.

Fix this by introducing dev_lan_addr to the VF structure. This will be
the VF's MAC address when it's up and running and in most cases will be
the same as the hw_lan_addr. However, to address the VM reboot and
unload/reload problem, the driver will never allow the hw_lan_addr to be
cleared via VIRTCHNL_OP_DEL_ETH_ADDR. When the VF's MAC is changed, the
dev_lan_addr and hw_lan_addr will always be updated with the same value.
The only ways the VF's MAC can change are the following:

- Set the VF's MAC administratively on the host via iproute2.
- If the VF is trusted and changes/sets its own MAC.
- If the VF is untrusted and the host has not set the MAC via iproute2.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:30:58 -07:00
Brett Creeley 51efbbdf1d ice: Manage VF's MAC address for both legacy and new cases
Currently there is no way for a VF driver to specify if it wants to
change it's hardware address. New bits are being added to virtchnl.h
in struct virtchnl_ether_addr that allow for the VF to correctly
communicate this information. However, legacy VF drivers that don't
support the new virtchnl.h bits still need to be supported. Make a
best effort attempt at saving the VF's primary/device address in the
legacy case and depend on the VIRTCHNL_ETHER_ADDR_PRIMARY type for
the new case.

Legacy case - If a unicast MAC is being added and the
hw_lan_addr.addr is empty, then populate it. This assumes that the
address is the VF's hardware address. If a unicast MAC is being
added and the hw_lan_addr.addr is not empty, then cache it in the
legacy_last_added_umac.addr. If a unicast MAC is being deleted and it
matches the hw_lan_addr.addr, then zero the hw_lan_addr.addr.
Also, if the legacy_last_added_umac.addr has not expired, copy the
legacy_last_added_umac.addr into the hw_lan_addr.addr. This is done
because we cannot guarantee the order of VIRTCHNL_OP_ADD_ETH_ADDR and
VIRTCHNL_OP_DEL_ETH_ADDR.

New case - If a unicast MAC is being added and it's specified as
VIRTCHNL_ETHER_ADDR_PRIMARY, then replace the current
hw_lan_addr.addr. If a unicast MAC is being deleted and it's type
is specified as VIRTCHNL_ETHER_ADDR_PRIMARY, then zero the
hw_lan_addr.addr.

Untrusted VFs - Only allow above legacy/new changes to their
hardware address if the PF has not set it administratively via
iproute2.

Trusted VFs - Always allow above legacy/new changes to their
hardware address even if the PF has administratively set it via
iproute2.

Also, change the variable dflt_lan_addr to hw_lan_addr to clearly
represent the purpose of this variable since it's purpose is to
act as a hardware programmed MAC address for the VF.

Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-07 08:30:58 -07:00
Muhammad Husaini Zulkifli 8d7449630e igc: Enable HW VLAN Insertion and HW VLAN Stripping
Add HW VLAN acceleration protocol handling. In case of HW VLAN tagging,
we need that protocol available in the ndo_start_xmit(), so that it will be
stored in a new fields in the skb.

HW offloading is set to OFF by default.
Users are allow to turn on/off Rx/Tx HW VLAN acceleration via ethtool.

Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Acked-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 09:14:39 -07:00
Sasha Neftin 5cde7beb27 igc: Indentation fixes
Minor fix of indentation in igc_defines.h

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 09:14:38 -07:00
Sasha Neftin 6fdef25db3 igc: Remove unused MDICNFG register
The MDICNFG register from igc registers is not used so remove it.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 09:14:38 -07:00
Sasha Neftin cca2c030b2 igc: Remove unused asymmetric pause bit from igc defines
The CR_1000T_ASYM_PAUSE bit from igc defines is not used so remove it.

Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 09:14:38 -07:00
Sasha Neftin 220ef1f97e igc: Update driver to use ethtool_sprintf
Complete to commit c8d4725e98 ("intel: Update drivers to use
ethtool_sprintf")
Update the igc driver to make use of ethtool_sprintf. The general idea
is to reduce code size and overhead by replacing the repeated pattern of
string printf statements and ETH_STRING_LEN counter increments.

Suggested-by: Alexander Duyck <alexanderduyck@fb.com>
Signed-off-by: Sasha Neftin <sasha.neftin@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 09:14:16 -07:00
Dave Ertman f9f83202b7 ice: Allow all LLDP packets from PF to Tx
Currently in the ice driver, the check whether to
allow a LLDP packet to egress the interface from the
PF_VSI is being based on the SKB's priority field.
It checks to see if the packets priority is equal to
TC_PRIO_CONTROL.  Injected LLDP packets do not always
meet this condition.

SCAPY defaults to a sk_buff->protocol value of ETH_P_ALL
(0x0003) and does not set the priority field.  There will
be other injection methods (even ones used by end users)
that will not correctly configure the socket so that
SKB fields are correctly populated.

Then ethernet header has to have to correct value for
the protocol though.

Add a check to also allow packets whose ethhdr->h_proto
matches ETH_P_LLDP (0x88CC).

Fixes: 0c3a6101ff ("ice: Allow egress control packets from PF_VSI")
Signed-off-by: Dave Ertman <david.m.ertman@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 07:37:48 -07:00
Paul Greenwalt 5cd349c349 ice: report supported and advertised autoneg using PHY capabilities
Ethtool incorrectly reported supported and advertised auto-negotiation
settings for a backplane PHY image which did not support auto-negotiation.
This can occur when using media or PHY type for reporting ethtool
supported and advertised auto-negotiation settings.

Remove setting supported and advertised auto-negotiation settings based
on PHY type in ice_phy_type_to_ethtool(), and MAC type in
ice_get_link_ksettings().

Ethtool supported and advertised auto-negotiation settings should be
based on the PHY image using the AQ command get PHY capabilities with
media. Add setting supported and advertised auto-negotiation settings
based get PHY capabilities with media in ice_get_link_ksettings().

Fixes: 48cb27f2fd ("ice: Implement handlers for ethtool PHY/link operations")
Signed-off-by: Paul Greenwalt <paul.greenwalt@intel.com>
Tested-by: Tony Brelinski <tonyx.brelinski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 07:37:48 -07:00
Haiyue Wang c7ee6ce1cf ice: handle the VF VSI rebuild failure
VSI rebuild can be failed for LAN queue config, then the VF's VSI will
be NULL, the VF reset should be stopped with the VF entering into the
disable state.

Fixes: 12bb018c53 ("ice: Refactor VF reset")
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 07:37:48 -07:00
Brett Creeley 8679f07a99 ice: Fix VFR issues for AVF drivers that expect ATQLEN cleared
Some AVF drivers expect the VF_MBX_ATQLEN register to be cleared for any
type of VFR/VFLR. Fix this by clearing the VF_MBX_ATQLEN register at the
same time as VF_MBX_ARQLEN.

Fixes: 82ba01282c ("ice: clear VF ARQLEN register on reset")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 07:37:48 -07:00
Brett Creeley f0457690af ice: Fix allowing VF to request more/less queues via virtchnl
Commit 12bb018c53 ("ice: Refactor VF reset") caused a regression
that removes the ability for a VF to request a different amount of
queues via VIRTCHNL_OP_REQUEST_QUEUES. This prevents VF drivers to
either increase or decrease the number of queue pairs they are
allocated. Fix this by using the variable vf->num_req_qs when
determining the vf->num_vf_qs during VF VSI creation.

Fixes: 12bb018c53 ("ice: Refactor VF reset")
Signed-off-by: Brett Creeley <brett.creeley@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-04 07:37:48 -07:00
Maciej Fijalkowski e102db780e ice: track AF_XDP ZC enabled queues in bitmap
Commit c7a219048e ("ice: Remove xsk_buff_pool from VSI structure")
silently introduced a regression and broke the Tx side of AF_XDP in copy
mode. xsk_pool on ice_ring is set only based on the existence of the XDP
prog on the VSI which in turn picks ice_clean_tx_irq_zc to be executed.
That is not something that should happen for copy mode as it should use
the regular data path ice_clean_tx_irq.

This results in a following splat when xdpsock is run in txonly or l2fwd
scenarios in copy mode:

<snip>
[  106.050195] BUG: kernel NULL pointer dereference, address: 0000000000000030
[  106.057269] #PF: supervisor read access in kernel mode
[  106.062493] #PF: error_code(0x0000) - not-present page
[  106.067709] PGD 0 P4D 0
[  106.070293] Oops: 0000 [#1] PREEMPT SMP NOPTI
[  106.074721] CPU: 61 PID: 0 Comm: swapper/61 Not tainted 5.12.0-rc2+ #45
[  106.081436] Hardware name: Intel Corporation S2600WFT/S2600WFT, BIOS SE5C620.86B.02.01.0008.031920191559 03/19/2019
[  106.092027] RIP: 0010:xp_raw_get_dma+0x36/0x50
[  106.096551] Code: 74 14 48 b8 ff ff ff ff ff ff 00 00 48 21 f0 48 c1 ee 30 48 01 c6 48 8b 87 90 00 00 00 48 89 f2 81 e6 ff 0f 00 00 48 c1 ea 0c <48> 8b 04 d0 48 83 e0 fe 48 01 f0 c3 66 66 2e 0f 1f 84 00 00 00 00
[  106.115588] RSP: 0018:ffffc9000d694e50 EFLAGS: 00010206
[  106.120893] RAX: 0000000000000000 RBX: ffff88984b8c8a00 RCX: ffff889852581800
[  106.128137] RDX: 0000000000000006 RSI: 0000000000000000 RDI: ffff88984cd8b800
[  106.135383] RBP: ffff888123b50001 R08: ffff889896800000 R09: 0000000000000800
[  106.142628] R10: 0000000000000000 R11: ffffffff826060c0 R12: 00000000000000ff
[  106.149872] R13: 0000000000000000 R14: 0000000000000040 R15: ffff888123b50018
[  106.157117] FS:  0000000000000000(0000) GS:ffff8897e0f40000(0000) knlGS:0000000000000000
[  106.165332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.171163] CR2: 0000000000000030 CR3: 000000000560a004 CR4: 00000000007706e0
[  106.178408] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  106.185653] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  106.192898] PKRU: 55555554
[  106.195653] Call Trace:
[  106.198143]  <IRQ>
[  106.200196]  ice_clean_tx_irq_zc+0x183/0x2a0 [ice]
[  106.205087]  ice_napi_poll+0x3e/0x590 [ice]
[  106.209356]  __napi_poll+0x2a/0x160
[  106.212911]  net_rx_action+0xd6/0x200
[  106.216634]  __do_softirq+0xbf/0x29b
[  106.220274]  irq_exit_rcu+0x88/0xc0
[  106.223819]  common_interrupt+0x7b/0xa0
[  106.227719]  </IRQ>
[  106.229857]  asm_common_interrupt+0x1e/0x40
</snip>

Fix this by introducing the bitmap of queues that are zero-copy enabled,
where each bit, corresponding to a queue id that xsk pool is being
configured on, will be set/cleared within ice_xsk_pool_{en,dis}able and
checked within ice_xsk_pool(). The latter is a function used for
deciding which napi poll routine is executed.
Idea is being taken from our other drivers such as i40e and ixgbe.

Fixes: c7a219048e ("ice: Remove xsk_buff_pool from VSI structure")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
Tested-by: Kiran Bhandare <kiranx.bhandare@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-03 08:38:37 -07:00
Magnus Karlsson 45ce08594e igc: add correct exception tracing for XDP
Add missing exception tracing to XDP when a number of different
errors can occur. The support was only partial. Several errors
where not logged which would confuse the user quite a lot not
knowing where and why the packets disappeared.

Fixes: 73f1071c1d ("igc: Add support for XDP_TX action")
Fixes: 4ff3203610 ("igc: Add support for XDP_REDIRECT action")
Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Tested-by: Dvora Fuxbrumer <dvorax.fuxbrumer@linux.intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-03 08:38:37 -07:00
Magnus Karlsson faae81420d ixgbevf: add correct exception tracing for XDP
Add missing exception tracing to XDP when a number of different
errors can occur. The support was only partial. Several errors
where not logged which would confuse the user quite a lot not
knowing where and why the packets disappeared.

Fixes: 21092e9ce8 ("ixgbevf: Add support for XDP_TX action")
Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Tested-by: Vishakha Jambekar <vishakha.jambekar@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-03 08:38:37 -07:00
Magnus Karlsson 74431c40b9 igb: add correct exception tracing for XDP
Add missing exception tracing to XDP when a number of different
errors can occur. The support was only partial. Several errors
where not logged which would confuse the user quite a lot not
knowing where and why the packets disappeared.

Fixes: 9cbc948b5a ("igb: add XDP support")
Reported-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>
Tested-by: Vishakha Jambekar <vishakha.jambekar@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2021-06-03 08:38:37 -07:00