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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: 87324e747fde ("ice: Implement ethtool ops for channels")
Signed-off-by: Jesse Brandeburg <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
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Continuous Double "the" in a comment. Changed it to single "the"
Signed-off-by: Hari <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Signed-off-by: Punit Agrawal <[email protected]>
Reviewed-by: Alexander Duyck <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Acked-by: Sasha Neftin <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Transmit underrun, late and excess collision flags not in use.
This patch comes to clean up these flags.
Signed-off-by: Sasha Neftin <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Aaron Brown <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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commit b5f69ccf6765 ("ixgbe: avoid bringing rings up/down as macvlans are added/removed")
left behind this, remove it.
Signed-off-by: YueHaibing <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Signed-off-by: Xie XiuQi <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Acked-by: Björn Töpel <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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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 <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Remove VM/VF disable AQC (opcode 0x0C31) when resetting all VFs.
This is not required for CORER/GLOBR reset.
Signed-off-by: Paul Greenwalt <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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When resetting a VF the VLAN and MAC filter configurations need to be
replayed. Add helper functions for this purpose.
Signed-off-by: Brett Creeley <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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As the title says, use a function to set trust mode bit on reset.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Some function names weren't very clear and some portions of VF creation
could be moved into functions for clarity. Fix this by renaming some
functions and move pieces of code into clearly name functions.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Currently the same flow is used for VF VSI initialization/creation and VF
VSI reset. This makes the initialization/creation flow unnecessarily
complicated. Fix this by separating the initialization/creation of the
VF VSI from the reset flow.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Create a helper function for clearing VPGEN_VFRTRIG as this needs to be
done on reset to notify the VF that we are done resetting it. Also, it
needs to be done on SR-IOV initialization/creation in case it was left
in a bad state after SR-IOV tear down.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Add a new function for checking if SR-IOV can be configured based on
the PF and/or device's state/capabilities. Also, simplify the flow in
ice_sriov_configure().
Signed-off-by: Brett Creeley <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Currently ice_ena_vf_mappings() does all of the VF's MSIX and queue
mapping in one function. This makes it hard to digest. Fix this by
creating a new function for enabling MSIX mappings and one for enabling
queue mappings.
Also, rename some variables in the functions for clarity.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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ice_get_pfa_module_tlv() and ice_read_sr_word() are not being called
outside of their file. Declare them as static.
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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If register_netdev() fails, the driver will attempt to cleanup the
q_vectors and inadvertently trigger a kernel BUG due to a NULL pointer
dereference.
This occurs because cleaning up q_vectors attempts to call
netif_napi_del on napi_structs which were never initialized.
Resolve this by releasing the netdev in ice_cfg_netdev and setting
vsi->netdev to NULL. This ensures that after ice_cfg_netdev fails the
state is rewound to match as if ice_cfg_netdev was never called.
Signed-off-by: Jacob Keller <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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If ice_init_interrupt_scheme fails, ice_probe will jump to clearing up
the interrupts. This can lead to some static analysis tools such as the
compiler sanitizers complaining about double free problems.
Since ice_init_interrupt_scheme already unrolls internally on failure,
there is no need to call ice_clear_interrupt_scheme when it fails. Add
a new unroll label and use that instead.
Signed-off-by: Jacob Keller <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Remove an unnecessary copy of vsi->info into ctxt->info in ice_vsi_init.
This line is essentially a no-op because ice_set_dflt_vsi_ctx performs
a memset to clear the info from the context structure.
Signed-off-by: Jacob Keller <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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There are certain cases where the DDP load fails and the FW issues a
core reset. For these cases, wait for reset to complete before
proceeding with reset of the driver init.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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If a UMEM is present on a queue when an interface/queue pair is being
enabled, the driver will try to prepare the Rx buffers in advance to
improve performance. However, if fill queue is shorter than HW Rx ring,
the driver will report failure after getting the last address from the
fill queue.
This still lets the driver process the packets correctly during the NAPI
poll, but leads to a constant NAPI rescheduling. Not allocating the
buffers in advance would result in a potential performance decrease.
Commit d57d76428ae9 ("xsk: Add API to check for available entries in FQ")
provides an API that lets drivers check the number of addresses that the
fill queue holds.
Notify the user if fill queue is not long enough to prepare all buffers
before packet processing starts, and allocate the buffers during the
NAPI poll. If the fill queue size is sufficient, prepare Rx buffers in
advance.
Signed-off-by: Krzysztof Kazimierczak <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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We don't need both rx_status and rx_error parameters, as the latter is
a subset of the former. Remove rx_error completely and check the right bit
in rx_status.
Rename rx_status to rx_status0, and rx_status_err1 to
rx_status1. This naming more closely reflects the specification.
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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When writing the driver's struct ice_tlan_ctx structure, do not write the
8-bit element int_q_state with the associated internal-to-hardware field
which is 122-bits, otherwise the helper function ice_write_byte() will use
undefined behavior when setting the mask used for that write. This should
not cause any functional change and will avoid use of undefined behavior.
Also, update a comment to highlight this structure element is not written.
Signed-off-by: Bruce Allan <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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In current implementation number of XDP Tx queues is the same as
the number of transmit queues, which is not always true. This
patch changes this number to match the number of receive queues.
XDP programs are running on Rx rings, so what we actually need to
provide is the XDP Tx ring per each Rx ring so that the whole XDP
ecosystem is functional, e.g. if the result of XDP prog is XDP_TX
then you have the need to access the XDP Tx ring.
Signed-off-by: Marta Plantykow <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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When XDP Tx program is loaded and packets are sent from
interface, VSI statistics are not updated. This patch adds
packets sent on Tx XDP ring to VSI ring stats.
Signed-off-by: Marta Plantykow <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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When XDP Tx rings are destroyed the number of XDP Tx queues
is not changing. This patch is changing this number to 0.
Signed-off-by: Marta Plantykow <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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A race condition between FW and SW can occur between admin queue setup and
the first command sent. A link event may occur and FW attempts to notify a
non-existent queue. FW will set the critical error bit and disable the
queue. When this happens retry queue setup.
Signed-off-by: Evan Swanson <[email protected]>
Signed-off-by: Anirudh Venkataramanan <[email protected]>
Signed-off-by: Tony Nguyen <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Currently, if the PVID is set in the VLAN handling section of the VSI
context the driver still allows VLAN stripping to be enabled/disabled.
VLAN stripping should only be modifiable when the PVID is not set. Fix
this by preventing VLAN stripping modification when PVID is set.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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Currently we are only including illegal_bytes and rx_crc_errors in the
PF netdev's rx_error counter. There are many more causes of Rx errors
that the device supports and reports via Ethtool. Accumulate all Rx
errors in the PF netdev's rx_error counter.
Signed-off-by: Brett Creeley <[email protected]>
Tested-by: Andrew Bowers <[email protected]>
Signed-off-by: Jeff Kirsher <[email protected]>
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