There is global funcion pci_vfs_assigned(), so use it instead of composing
local one.
Signed-off-by: Ethan Zhao <ethan.kernel@gmail.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Bump i40e version to 1.0.11 and i40evf version to 1.0.5.
Change-ID: I63a60fa2efe82aae87a8a3095f43218db57d46ce
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
This fixes the panic under traffic load when resetting. This issue
could also show up if/whenever there is a Tx-timeout.
Change-ID: Ie393a1f17fd5d962e56fc3bfe784899ef25402f5
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
We shouldn't restart Admin queue subtask if PF reset fails since we do
not have the AQ setup at that point. This patch makes sure we disable AQ
clean subtask when PF reset fails.
This will resolve an occasional kernel panic when PF reset fails for
some reason.
Change-ID: I11a747773362a8c5c0ad7a10cd34be0bda8eb9e8
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The driver is un-necessarily printing a warning that is only marginally
useful to the user. Make the warning only print if extended driver
string printing is enabled, other messages related to a reset event
will still continue to print.
Change-ID: I5e8beca6516a2f176cd2e72b0ac2b3b909e6c953
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Since we don't seem to be getting an LSE telling us link is going down
during set_phy_config (but we do get an LSE telling us we are coming
back up), fake one for the OS and tell them link is going down. Also
do an atomic restart no matter what because there are times the user
may want to end with link up even if they started with link down (like
if they accidentally set it to a speed that can't link and are trying to
fix it).
Change-ID: I0a642af9c1d0feb67bce741aba1a9c33bd349ed6
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Remove unnecessary setting of "ret" variable as it's already set at
the top of the function.
Change-ID: Icaccfc67f335817a23579b7c43625d59ad6c9925
Signed-off-by: Serey Kong <serey.kong@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Change "spoofck" to "spoofchk" to be consistent with as defined in netdev.
Change-ID: I9866d6284cb5f92c8d71dc0776c6d1e71dfb62a5
Signed-off-by: Serey Kong <serey.kong@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Allow the user to change auto-negotiation and speed settings if
link is down.
Change-ID: I372967c627682b5e1835f623a7cbf41b21b51043
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Now that fw has implemented dual speed module support, we can add ours.
Also, add the phy type for 1G LR/SR and set its media type to fiber.
Lastly, instead of a WARN_ON if the phy type is not recognized just print
a warning.
Change-ID: I2e5227d4a8c2907b0ed423038e5dbce774e466b0
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Set skb->csum_level instead of skb->encapsulation when indicating
CHECKSUM_UNNECESSARY for an encapsulated checksum.
Signed-off-by: Tom Herbert <therbert@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Bump versions for i40e to 1.0.4 and i40evf to 1.0.1.
Change-ID: I960c04da2c91bdf1d02f8e5011e68c34a634122d
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
We are seeing situations where the driver sees a hang with less than 4
desc pending, if the driver chooses to ignore it the queue progresses
forward and the stack never experiences a real hang.
With this patch we will log a stat when this situation happens
"tx_sluggish" will increment and we can see some more details
at a higher debug level. Other than that we will ignore this
particular case of Tx hang.
Change-ID: I7d1d1666d990e2b12f4f6bed0d17d22e1b6410d5
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Older firmware has an incorrect MAC VLAN filter that needs to be replaced
at startup, and now newer firmware doesn't have this problem. With this
change we no longer complain if the remove fails, and we only add the
new filter if the remove succeeded.
Setting a new LAA worked the first time, but didn't work well in successive
operations, including returning to the HW default address. This simplifies
the code that was trying to be too smart.
Lastly, this pulls the hardware default mac address out into separate
handling code and keeps the broadcast filtering from getting munged.
Change-ID: I1f54b002def04ffef2546febb9a4044385452f85
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
There is at least one case in the Firmware API where the response to a
command changes the buffer size field in the AQ descriptor to a larger
number than what the request's buffer size started as. This is in addition
to setting an error flag and is in order to tell the requester how much
larger a buffer is required for the answer. We need to be sure not to
use that number when dumping the contents of the data buffer because it
can send us into the weeds and generate an invalid pointer exception.
This patch adds a max buffer size parameter to the print helper to be
sure the code knows when to stop.
Change-ID: Ib84f7ed72140fe9d600086d8f2002fc5d8753092
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch adds a check during handle_link_event for unqualified
module when link is down and there is a module plugged. If found,
print a message.
Change-ID: Ibd8666d77d3044c2a3dd4d762d3ae9ac6e18e943
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Change vsi->num_queue_pairs to equal the number that are configured
by the VF. This, in turn, limits the number of queues that are
enable/disabled. This fixes the mismatched case for when a VF configures
fewer queues than is allocated to it by the PF.
Change other sections to use alloc_queue_pairs as warranted.
Change-ID: I0de1b55c9084e7be6acc818da8569f12128a82c2
Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Enable the l2tsel bit on Rx queue contexts that are assigned to VFs so
that the VF can get the stripped VLAN tag.
Change-ID: I7d9bc56238a9ea9baf5e8a97e69b9e27ebb9d169
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This helps know how many times the interface had to flush and replay FD
filter table, which gives an indication on how often we are getting FD
table full situation.
Also check on certain pf states before proceeding to add or delete
filters since we can't add or delete filters if we are in those states.
Change-ID: I97f5bbbea7146833ea61af0e08ea794fccba1780
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Instead of disabling ATR when we get a programming error, we now
will wait it out to see if some room gets created by ATR rule deletion.
If we still have too many errors and ATR filter count did not change
much, its time to flush and replay. We no more auto-disable ATR when
we have errors in programming.
The disabling of ATR when we get programming error was buggy and
was still adding new rules and causing continuous errors. With this
policy change we flush instead when we see too many errors.
ATR is still disabled if we add a SB rule for TCP/IPv4 flow type,
more logic is added to re-enable it once all SB TCP/IPv4 rules are gone.
Change-ID: I77edcbeab9500c72a7e0bd7b5c5b113ced133a9c
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Change the message that gets printed when adding/deleting a filter to
the SB, so that user can tell if a filter was added or deleted.
Print filter add failures only in case of SB filters. For ATR the
information is not useful to the user and hence suppress it unless in
higher debug mode.
Change-ID: I78d7a7a6ecfa82a38a582b0d7b4da038355e3735
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This patch changes the wording of the flow director add/remove and
asynchronous failure messages to include fd_id to try and add some
way to track the operations on a given fd_id. Its not perfect, but
its better than what we had as PCTYPE can apply to several different
filter requests.
This patch also removes a redundant message when filter
addition fails due to full condition.
Change-ID: Icf58b0603d4f162d9fc542f11a74866a907049f2
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This device claims TSO and checksum support for vlans. It also
allows a user to control vlan acceleration offloading. As such,
it is possible to turn off vlan acceleration and configure a vlan
which will continue to support TSO and hw checksums.
In such situation the packet passed down the the device will contain
a vlan header and skb->protocol will be set to ETH_P_8021Q.
The device assumes that skb->protocol contains network protocol
value and uses that value to set up TSO and checksum information.
This results in corrupted frames sent on the wire.
This patch extract the protocol value correctly and corrects TSO
and checksums for non-accelerated traffic.
Fix this by using vlan_get_protocol() helper.
CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
CC: Jesse Brandeburg <jesse.brandeburg@intel.com>
CC: Bruce Allan <bruce.w.allan@intel.com>
CC: Carolyn Wyborny <carolyn.wyborny@intel.com>
CC: Don Skidmore <donald.c.skidmore@intel.com>
CC: Greg Rose <gregory.v.rose@intel.com>
CC: Alex Duyck <alexander.h.duyck@intel.com>
CC: John Ronciak <john.ronciak@intel.com>
CC: Mitch Williams <mitch.a.williams@intel.com>
CC: Linux NICS <linux.nics@intel.com>
CC: e1000-devel@lists.sourceforge.net
Signed-off-by: Vladislav Yasevich <vyasevic@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The receive hang detection routine was never being run when
PTP was enabled.
Change-ID: I200f35b0f3190d31b595df89d678f4c8a2131ba0
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
In some functions we might be doing potential dereference
without a check. This patch puts the check in place for all these
functions. Also fix the "for loops" so that we increment VF at the
right place so that we always do it even if we are short-circuiting
the loop through continue.
Change-ID: Id4276cfb1e841031bb7b6d6790c414242f364a9f
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Whenever we get a Tx hang we issue a PFR, which means we send AQ
messages to VFS about the reset coming. Unfortunately with the recent
fix to be able to send messages to all VFS which earlier was not
happening at all we now are sending messages to not just the VFS that
are up but also to VFS that are not up. AQ complains about this and
sends us an error in ARQ called LAN overflow event for a queue. We
check if the queue belongs to a VF and if it does we try to send a
vc_notify_vf_reset message to that VF. Well if the VF is not up/enabled
we will be entering this function with a non-active VF id. In this
function we were assuming VF struct is populated but it won't be if
the VF is not active.
Change-ID: Ic6733cda4582d3609fe6d83b2872bb2dcdc73f4a
Signed-off-by: Ashish N Shah <ashish.n.shah@intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Miscellaneous
- Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)
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Merge tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull DEFINE_PCI_DEVICE_TABLE removal from Bjorn Helgaas:
"Part two of the PCI changes for v3.17:
- Remove DEFINE_PCI_DEVICE_TABLE macro use (Benoit Taine)
It's a mechanical change that removes uses of the
DEFINE_PCI_DEVICE_TABLE macro. I waited until later in the merge
window to reduce conflicts, but it's possible you'll still see a few"
* tag 'pci-v3.17-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: Remove DEFINE_PCI_DEVICE_TABLE macro use
We should prefer `struct pci_device_id` over `DEFINE_PCI_DEVICE_TABLE` to
meet kernel coding style guidelines. This issue was reported by checkpatch.
A simplified version of the semantic patch that makes this change is as
follows (http://coccinelle.lip6.fr/):
// <smpl>
@@
identifier i;
declarer name DEFINE_PCI_DEVICE_TABLE;
initializer z;
@@
- DEFINE_PCI_DEVICE_TABLE(i)
+ const struct pci_device_id i[]
= z;
// </smpl>
[bhelgaas: add semantic patch]
Signed-off-by: Benoit Taine <benoit.taine@lip6.fr>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Replacing strncpy with strlcpy to avoid strings that lacks null terminate.
Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Correct typo in the name of the type given to sizeof. Because it is the
size of a pointer that is wanted, the typo has no impact on compilation or
execution.
This problem was found using Coccinelle (http://coccinelle.lip6.fr/). The
semantic patch used can be found in message 0 of this patch series.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Fixes the following sparse warnings:
drivers/net/ethernet/intel/i40e/i40e_nvm.c:254:13: warning:
symbol 'i40e_write_nvm_aq' was not declared. Should it be static?
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Fix missing include in Intel i40e driver. Without this include linux next
tree won't compile.
Signed-off-by: Lucas Tanure <tanure@linux.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
All other add functions for lists have the new item as first argument
and the position where it is added as second argument. This was changed
for no good reason in this function and makes using it unnecessary
confusing.
The name was changed to hlist_add_behind() to cause unconverted code to
generate a compile error instead of using the wrong parameter order.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Ken Helias <kenhelias@firemail.de>
Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> [intel driver bits]
Cc: Hugh Dickins <hughd@google.com>
Cc: Christoph Hellwig <hch@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Remove the ability of a VF to set unicast promiscuous mode.
Considered to be a security risk to allow VFs to receive traffic
intended for other VFs so don't allow it, simply ignore the flag.
Also fix it to send the correct seid to aq for multicast promiscuous set.
Change-ID: Icb9c49a281a8e9d3aeebf991ef1533ac82b84b14
Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes comment for reset reason
Change-ID: I6fda4fa292255e6eb0f874502b4d38d722149b10
Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The local loopback should only be enabled for VSIs that are supporting
cascaded VEBs or VEPA setups. This is not the case here, and we need
to stop the VEB from echoing the VMDQ VSI packets back at the VSI.
Change-ID: I9dfb6ac79db24d04360d7efde62d81e20abc5090
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The vf_id needs to be offset by the vf_base_id from hw function capabilities
for the case of multiple PFs.
Change-ID: I20ca8621f98e9cdf98649380b8eeaa35db52677c
Signed-off-by: Ashish Shah <ashish.n.shah@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Now that the HW registers are no longer in debug mode and many are
locked down for writes, we need to expose the Firmware API request
used to do writes on the driver's behalf.
Change-ID: I09a05c4dc9ea0b24c00193faac34d7799eaa8496
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds newly added FCoE files to the build but only if FCoE module is configured.
Also, updates i40e document for added FCoE support.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Jack Morgan<jack.morgan@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Adds FCoE specific code to existing i40e core driver to:-
1. have separate FCoE VSI with additional FCoE queues pairs.
2. have FCoE related hash defines.
3. have additional FCoE related stats code.
4. export and then re-use existing functions required by FCoE build.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Jack Morgan<jack.morgan@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch adds FCoE ( Fibre Channel Over Ethernet ) code for
Intel XL710 adapters. This patch is limited to only new FCoE
offloads code in newly added files by this patch and then
following patches in the series modifies rest of the existing
driver to enable FCoE with i40e driver.
Signed-off-by: Vasu Dev <vasu.dev@intel.com>
Tested-by: Jack Morgan<jack.morgan@intel.com>
Signed-off-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Sometimes the AQTX answer comes back with no data, but we still want to print
the descriptor that got written back.
Change-ID: I5f734d99b4c95510987413893f0a34626571d474
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Give link a little more time to come back up after setting flow control
before resetting. In the new NVMs it is taking longer for link to come back.
This causes the driver to attempt to reset the link, which then errors
because the firmware was already in the middle of a reset. Also, initialize
err to 0.
Change-ID: I1cc987a944e389d8909c262da5796f50722b4d6b
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <jmyoungx@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Reword the error messages. Also add a major version check because
We only want to warn on nvm_minor > expected_minor if
nvm_major == expected_major. Lastly, change an if to an else if
because the two statements will never evaluate to true at the same time.
Change-ID: I6ddf9986f26b35f6879cbeac4fcef04a8497a383
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Copy desc and buffer data even for ARQ events which return error status.
Previously, a check for NVM related AQ commands which is done later in this
function would not recognize that such a command was received and would
not clear nvm_busy flag. This would block access to NVM until a driver reset.
This will fix that.
Change-ID: If69ad74e165b56081c0686b97402511d2e2880c0
Signed-off-by: Kamil Krawczyk <kamil.krawczyk@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
The hardware design requires that the driver avoid indicating
checksum offload success on some ipv6 frames with extension
headers.
The code needs to just check for the IPV6EXADD bit and if
it is set punt the checksum to the stack. I don't know why
the code was checking TCP on inner protocol, as that code
doesn't make any sense to me but seems wrong, so remove it.
Change-ID: I10d3aacdbb1819fb60b4b0eb80e6cc67ef2c9599
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-By: Jim Young <jamesx.m.young@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This implements a state machine intended to support the userland tool for
updating the device eeprom. The state machine implements one-shot reads,
writes, multi-step write sessions, and checksum requests. If we're in the middle
of a multi-step write session, no one should fire off other writes, however, one
shot reads are valid. The userland tool is expected to keep track of its session
status, arrange the placement and ordering of the writes, and deal with the
checksum requirement.
This patch also adds nvmupdate support to ethtool callbacks.
The get_eeprom() and set_eeprom() services in ethtool are used here to
facilitate the userland NVMUpdate tool. The 'magic' value in the get and
set commands is used to pass additional control information for managing
the read and write steps.
The read operation works both as normally expected in the standard ethtool
method, as well as with the extra NVM controls. The write operation
works only for the expanded NVM functions - the normal ethtool method is
not allowed because of the NVM semaphore management needed for multipart
writes, as well as the checksum requirement.
Change-ID: I1d84a170153a9f437906744e2e350fd68fe7563d
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
spotted by cppcheck
Signed-off-by: Toralf Förster <toralf.foerster@gmx.de>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Display a verbose warning message when the incorrect PF attempts to
control timestamping for a port to which it was not assigned. This
shouldn't display except in the case of multiple PFs per port. The
primary intent of this message is to help debugging the reason why the
SIOCSHWTSTAMP ioctl has failed, and to help narrow the cause of the
issue.
Change-ID: Ic98798e0c844d98389d4c20e7160ba256f2bc7e8
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
David S. Miller