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path: root/drivers/net/ethernet/intel/i40evf
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2014-03-19i40evf: correctly program RSS HLUT tableMitch Williams
The HLUT programming loop in in i40evf_configure_rss was a) overly- complicated, and b) just plain broken. Most of the entries ended up being not written at all, so most of the flows ended up at queue zero. Refactor the HLUT programming loop to simply walk through the registers and write four values to each one, incrementing through the number of available queues. Change-ID: I75766179bc67e4e997187794f3144e28c83fd00d Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-18i40evf: Rename i40e_ptype_lookup i40evf_ptype_lookupEric W Biederman
When compiling the i40e and the i40evf driver into the same kernel I get: LD drivers/net/ethernet/intel/built-in.o drivers/net/ethernet/intel/i40evf/built-in.o:(.data+0x300): multiple definition of `i40e_ptype_lookup' drivers/net/ethernet/intel/i40e/built-in.o:(.data+0x780): first defined here make[3]: *** [drivers/net/ethernet/intel/built-in.o] Error 1 make[2]: *** [drivers/net/ethernet/intel] Error 2 make[1]: *** [drivers/net/ethernet/] Error 2 make: *** [sub-make] Error 2 Fix this by renaming the i40evf version of this structure from i40e_ptype_lookup to i40evf_ptype_lookup. This build failure was introduced in: commit 206812b5fccb808d1194344eaa942f68f59b2630 Author: Jesse Brandeburg <jesse.brandeburg@intel.com> i40e/i40evf: i40e implementation for skb_set_hash Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Cc: Catherine Sullivan <catherine.sullivan@intel.com> Signed-off-by: Eric W Biederman <ebiederm@xmission.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-14i40e/i40evf: Use dma_set_mask_and_coherentMitch Williams
In Linux 3.13, dma_set_mask_and_coherent was introduced, and we have been encouraged to use it. It simplifies the DMA mapping code a bit as well. Change-ID: I66e340245af7d0dedfa8b40fec1f5e352754432e Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-14i40e/i40evf: Use correct number of VF vectorsMitch Williams
Now that the 2.4 firmware reports the correct number of MSI-X vectors, use this value correctly when communicating with the VF, and when setting up the interrupt linked list. The PF has always reported the correct number of MSI-X vectors, so we should never increment the value in the vf driver. Change-ID: Ifeefc631c321390192219ce2af9ada6180c1492f Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-14i40e/i40evf: Some flow director HW definition fixesAnjali Singhai Jain
1) Fix a name of the error bit to correctly indicate the error. 2) Added a fd_id field in the 32 byte desc at the place(qw0) where it gets reported in the programming error desc WB. In a normal data desc the fd_id field is reported in qw3. Change-ID: Ide9a24bff7273da5889c36635d629bc3b5212010 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Kevin Scott <kevin.c.scott@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-06i40e/i40evf: Bump pf&vf build versionsCatherine Sullivan
Bump i40e to 0.3.34 and i40evf to 0.9.14. Change-ID: I6b3fb8ccf55b128d2baa4bdc20d3911ec81d4a5b Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-06i40e/i40evf: carefully fill tx ringJesse Brandeburg
We need to make sure that we stay away from the cache line where the DD bit (done) may be getting written back for the transmit ring since the hardware may be writing the whole cache line for a partial update. Change-ID: Id0b6dfc01f654def6a2a021af185803be1915d7e Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-06i40e/i40evf: i40e implementation for skb_set_hashJesse Brandeburg
Original comment from Tom Herbert <therbert@google.com> Drivers should call skb_set_hash to set the hash and its type in an skbuff. This patch builds upon Tom's original implementation and adds the L4 type return when we know it is an L4 hash. This requires use of the ptype decoder ring, so enable it. Change-ID: I2f9fa86d1a6add58cff13386f7f4238b1abcc468 CC: Tom Herbert <therbert@google.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Acked-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-03-06i40evf: Enable the ndo_set_features netdev opGreg Rose
Set netdev->hw_features to enable the ndo_set_features netdev op. Change-Id: I5a086fbfa5a089de5adba2800c4d0b3a73747b11 Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2014-02-21i40e and i40evf: Bump driver versionsCatherine Sullivan
Update the driver versions. Change-ID: I3fe23024d17da0e614ce126edb365bb2c428d482 Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-21i40e: Change MSIX to MSI-XCatherine Sullivan
Fix inconsistent use of MSIX and MSI-X in messages. Change-ID: Iae9ffb42819677c34544719044ed77632e06147d Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-21i40evf: remove errant spaceMitch A Williams
Remove a bogus space. Signed-off-by: Mitch Williams <mitch.a.williams@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>
2014-02-21i40evf: update version and copyright dateMitch Williams
A bunch of changes merit a new version number, and since these were made in the new year, update the copyright date. Change-ID: Ic3f282bf0c20679b9fb06860211afa7c78055bc2 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: store ring size in ring structsMitch Williams
Keep the descriptor ring size in the actual ring structs instead of in the adapter struct. This enables us to use common tx and rx code with the i40e PF driver. Also update copyrights. Change-ID: I2861e599b2b4c76441c062ea14400f4750f54d0e Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: don't guess device nameMitch Williams
We don't need to set an interface name here; the net core will do that, and then it will get renamed by udev anyway. Change-ID: I839a17837d19bedd1f490bff32ac5b85b4bfd97f Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: remove bogus commentMitch Williams
This comment is simply not true. Change-ID: If006b02b60984601a24257a951ae873dff568008 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: fix up strings in init taskMitch Williams
Make sure errors are reported at the correct log level, quit printing the function name every time, and make the messages more consistent in format. v2: Removed unnecessary periods and redundant OOM message. Change-ID: I50e443467519ad3850def131d84626c50612c611 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: get rid of pci_using_dacMitch Williams
PCI DAC doesn't really mean much on a virtualized PCI Express part, so get rid of that check and just always set the HIGHDMA flag in the net device. Change-ID: I2040272be0e7934323f470c2bc73fbdd4f93e2b6 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: fix multiple crashes on removeMitch Williams
Depending upon the state of the driver, there are several potential pitfalls on remove. Kill the watchdog task so rmmod doesn't hang. Check the adapter->msix_entries field, not the num_msix_vectors field, which is never cleared. Change-ID: I0546048477f09fc19e481bd37efa30daae4faa88 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: remove VLAN filters on closeMitch Williams
We remove all the MAC filters, so remove the VLAN filters, too. Change-ID: I4f7559acdf005dc3f359bf6460ce32d183c8878b Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-21i40evf: request reset on tx hangMitch Williams
If the kernel watchdog bites us, ask the PF to reset us and attempt to reinit the driver. Change-ID: Ic97665aeeed71ce712b9c4f057e78ff8372522b9 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-17net: i40evf: Remove duplicate includeSachin Kamat
linux/sctp.h was included twice. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13i40evf: refactor reset handlingMitch Williams
Respond better to a VF reset event. When a reset is signaled by the PF, or detected by the watchdog task, prevent the watchdog from processing admin queue requests, and schedule the reset task. In the reset task, wait first for the reset to start, then for it to complete, then reinit the driver. If the reset never appears to complete after a long, long time (>10 seconds is possible depending on what's going on with the PF driver), then set a flag to indicate that PF communications have failed. If this flag is set, check for the reset to complete in the watchdog, and attempt to do a full reinitialization of the driver from scratch. With these changes the VF driver correctly handles a PF reset event while running on bare metal, or in a VM. Also update copyrights. Change-ID: I93513efd0b50523a8345e7f6a33a5e4f8a2a5996 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-13i40evf: change type of flags variableMitch Williams
As pointed out by Dan Carpenter (from Oracle), the flags variable is declared as a 64-bit long but all of the flags are defined as u32, which may lead to unintended consequences. Fix this by declaring flags as u32 (since we don't need any more than about a dozen flags right now), and remove the volatile qualifier, since it's unnecessary and just makes checkpatch cry. Change-ID: I137d3bb1842bf7e9456b5929ca54e3b0ed45dcab Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> CC: Dan Carpenter <dan.carpenter@oracle.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>
2014-02-13i40evf: don't store unnecessary array of stringsMitch Williams
Since we store the traffic vector names in the queue vector struct, we don't need to maintain an array of strings for these names in the adapter structure. Replace this array with a single string and use it when allocating the misc irq vector. Also update copyrights. Change-ID: I664f096c3c008210d6a04a487163e8aa934fee5b Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-13i40evf: fix bogus commentMitch Williams
Locate the structure in the correct header file. Change-ID: Ic7853131728812093a44a75d6b70953311a48dab Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-13i40evf: clean up adapter structMitch Williams
Remove a bunch of unused structure members that are just wasting space. Remove a completely unused info structure definition as well. Also update copyrights. Change-ID: I028ab92d9b7bd13a832cf3363bd1dc6610d8a535 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@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>
2014-02-13i40evf: trivial fixesJesse Brandeburg
This change moves one operator up to the previous line and deletes the duplicate declaration of ETH_ALEN. Also update copyrights. Change-ID: I88de73093b584e0f3b29d481ccd83fc4b1a1afa5 Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-13i40e: spelling errorJesse Brandeburg
Fix a spelling error, s/extention/extension/. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-17i40e: Fix device ID define names to align to standardShannon Nelson
Rework the device ID #defines to follow the _DEV_ID convention already established in the other Intel drivers. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com> Signed-off-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-01-10i40evf: fix s390 build failure due to implicit prefetch.hPaul Gortmaker
As of commit 7f12ad741a4870b8b6e3aafbcd868d0191770802 ("i40evf: transmit and receive functionality") the s390 builds (allyesconfig) fail with: drivers/net/ethernet/intel/i40evf/i40e_txrx.c: In function 'i40e_clean_rx_irq': drivers/net/ethernet/intel/i40evf/i40e_txrx.c:818:3: error: implicit declaration of function 'prefetch' make[5]: *** [drivers/net/ethernet/intel/i40evf/i40e_txrx.o] Error 1 due to an implicit assumption that the prototype from linux/prefetch.h will be present. Cc: Mitch Williams <mitch.a.williams@intel.com> Cc: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: A0 silicon specificGreg Rose
A0 stepping silicon specific code Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: add driver to kernel build systemGreg Rose
Modify the existing Kconfig, Makefile, and MAINTAINERS to add the driver to the kernel. Add a Makefile and a documentation Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: init code and hardware supportGreg Rose
This patch implements the hardware specific init and management. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: driver core headersGreg Rose
This patch contains the main driver header files, containing structures and data types specific to the linux driver. i40e_osdep.h contains some code that helps us adapt our OS agnostic code to Linux. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: virtual channel interfaceGreg Rose
This PCI-E SR-IOV virtual function (VF) driver is dependant upon the physical function (PF) driver (i40e) for nearly all of its hardware configuration. Requests from the VF driver are passed to the PF using the hardware's Admin Queue. This patch contains the functionality for communicating with the PF driver. Because of the delay inherent in this communications channel, most of the replies from the PF driver are handled asynchronously. The exceptions are the "send API version" and "get VF config" messages, which busy-wait because they are done so early during init that interrupts are not yet configured. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: core ethtool functionalityGreg Rose
This patch contains the ethtool interface and related functionality. Since the VF driver is mostly unaware of link, much of that functionality is unused. The driver implements ethtool hooks for statistics, driver info, and some basic non-link-related driver settings. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: transmit and receive functionalityGreg Rose
This file contains the transmit, receive, and NAPI functionality. Some of the functions in this module are extracted from the i40e driver but functions that are not appropriate for virtual function devices have been removed. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-12-31i40evf: main driver coreGreg Rose
This is the driver for the Intel(R) XL710 X710 Virtual Function. This patch contains the main driver entry points, but does not include transmit and receive or ethtool functionality, which are presented as separate patches in this series. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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