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| * qede: Fix setting Skb network headerManish Chopra2016-04-211-2/+2
| | | | | | | | | | | | | | | | | | Skb's network header needs to be set before extracting IPv4/IPv6 headers from it. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <yuval.mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * qede: Fix various memory allocation error flows for fastpathManish Chopra2016-04-211-55/+85
| | | | | | | | | | | | | | | | | | This patch handles memory allocation failures for fastpath gracefully in the driver. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <yuval.mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlcnic: protect qlicnic_attach_func with rtnl_lockHannes Frederic Sowa2016-04-211-2/+8
| | | | | | | | | | | | | | | | qlcnic_attach_func requires rtnl_lock to be held. Cc: Dept-GELinuxNICDev@qlogic.com Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qede: Add fastpath support for tunnelingManish Chopra2016-04-152-10/+92
| | | | | | | | | | | | | | | | | | | | This patch enables netdev tunneling features and adds TX/RX fastpath support for tunneling in driver. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed: Enable GRE tunnel slowpath configurationManish Chopra2016-04-151-0/+4
| | | | | | | | | | | | | | Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed/qede: Add GENEVE tunnel slowpath configuration supportManish Chopra2016-04-154-1/+69
| | | | | | | | | | | | | | | | | | | | | | This patch enables GENEVE tunnel on the adapter and add support for driver hooks to configure UDP ports for GENEVE tunnel offload to be performed by the adapter. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed/qede: Add VXLAN tunnel slowpath configuration supportManish Chopra2016-04-155-4/+86
| | | | | | | | | | | | | | | | | | | | | | This patch enables VXLAN tunnel on the adapter and add support for driver hooks to configure UDP ports for VXLAN tunnel offload to be performed by the adapter. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed: Add infrastructure support for tunnelingManish Chopra2016-04-1510-4/+553
| | | | | | | | | | | | | | | | | | | | This patch adds various structure/APIs needed to configure/enable different tunnel [VXLAN/GRE/GENEVE] parameters on the adapter. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Ariel Elior <Ariel.Elior@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qlge: Replace create_singlethread_workqueue with alloc_ordered_workqueueAmitoj Kaur Chawla2016-04-151-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace deprecated create_singlethread_workqueue with alloc_ordered_workqueue. Work items include getting tx/rx frame sizes, resetting MPI processor, setting asic recovery bit so ordering seems necessary as only one work item should be in queue/executing at any given time, hence the use of alloc_ordered_workqueue. WQ_MEM_RECLAIM flag has been set since ethernet devices seem to sit in memory reclaim path, so to guarantee forward progress regardless of memory pressure. Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed* - bump driver versions to 8.7.1.20Yuval Mintz2016-04-142-3/+3
| | | | | | | | | | Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qede: add Rx flow hash/indirection support.Sudarsana Reddy Kalluru2016-04-143-10/+283
| | | | | | | | | | | | | | | | | | | | | | Adds support for the following via ethtool: - UDP configuration of RSS based on 2-tuple/4-tuple. - RSS hash key. - RSS indirection table. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed: add Rx flow hash/indirection support.Sudarsana Reddy Kalluru2016-04-141-16/+1
| | | | | | | | | | | | | | | | Adds the required API for passing RSS-related configuration from qede. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | qed*: remove version dependencyRahul Verma2016-04-145-32/+2
|/ | | | | | | | | Inbox drivers don't need versioning scheme in order to guarantee compatibility, as both qed and qede are compiled from same codebase. Signed-off-by: Rahul Verma <rahul.verma@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: initialize return rc to avoid returning garbageColin Ian King2016-03-301-1/+1
| | | | | | | | | | in the case where qed_slowpath_irq_req is not called, rc is not assigned and so qed_int_igu_enable will return a garbage value. Fix this by initializing rc to 0. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qlge: Update version to 1.00.00.35Manish Chopra2016-03-251-1/+1
| | | | | | | | Just updating version as many fixes got accumulated over 1.00.00.34 Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qlge: Fix receive packets drop.Manish Chopra2016-03-181-0/+11
| | | | | | | | | | | When running small packets [length < 256 bytes] traffic, packets were being dropped due to invalid data in those packets which were delivered by the driver upto the stack. Using pci_dma_sync_single_for_cpu ensures copying latest and updated data into skb from the receive buffer. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Enlrage the drain timeoutYuval Mintz2016-03-111-2/+2
| | | | | | | | | | | | | In the scenario where slowpath configuration isn't passing due to various pause configurations affecting the chip, the theoretical time required in worst-case-scenario to empty hw fifos sufficiently to guarantee that slowpath configuration would flow is currently insufficient. This increases such a drain request to the theoretical maximum. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Notify of transciever changesZvi Nachmani2016-03-112-0/+41
| | | | | | | | | Handle a new message from the MFW, one that indicate that the transciever state has changed, and log that into the system logs. Signed-off-by: Zvi Nachmani <Zvi.Nachmani@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Major changes to MB lockingTomer Tayar2016-03-112-97/+167
| | | | | | | | | | | | | | | | | | | | | Driver interaction with the managemnt firmware is done via mailbox commands which the management firmware periodically sample, as well as placing of additional data in set places in the shared memory. Each PF has a single designated mailbox address, and all flows that require messaging to the management should use it. This patch does 2 things: 1. It re-defines the critical section surrounding the mailbox sending - that section should include the setting of the shared memory as well as the sending of the command [otherwise a race might send a command with the data of a different command]. 2. It moves the locking scheme from using mutices into using spinlocks. This lays the groundwork for sending MFW commands from non-sleepable contexts. Signed-off-by: Tomer Tayar <Tomer.Tayar@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Prevent MF link notificationsSudarsana Reddy Kalluru2016-03-112-1/+9
| | | | | | | | | | | | | | | | When device is configured for Multi-function mode, some older management firmware might incorrectly notify interfaces of link changes while they haven't requested the physical link configuration to be set. This can create bizzare race conditions where unloading interfaces are getting notified that the link is up. Let the driver compensate - store the logical requested state of the link and don't propagate notifications after protocol driver explicitly requires the link to be unset. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qede: Fix net-next "make ARCH=x86_64"Manish Chopra2016-03-101-1/+4
| | | | | | | | | | | | 'commit 55482edc25f0606851de42e73618f813f310d009 ("qede: Add slowpath/fastpath support and enable hardware GRO")' introduces below error when compiling net-next with "make ARCH=x86_64" drivers/built-in.o: In function `qede_rx_int': qede_main.c:(.text+0x6101a0): undefined reference to `tcp_gro_complete' Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qlcnic: Fix mailbox completion handling during spurious interruptRajesh Borundia2016-03-103-5/+14
| | | | | | | | | | | | o While the driver is in the middle of a MB completion processing and it receives a spurious MB interrupt, it is mistaken as a good MB completion interrupt leading to premature completion of the next MB request. Fix the driver to guard against this by checking the current state of MB processing and ignore the spurious interrupt. Also added a stats counter to record this condition. Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qlcnic: Remove unnecessary usage of atomic_tRajesh Borundia2016-03-102-6/+5
| | | | | | | | o atomic_t usage is incorrect as we are not implementing any atomicity. Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qede: Add slowpath/fastpath support and enable hardware GROManish Chopra2016-03-072-1/+388
| | | | | | | | | This patch configures hardware to use GRO and adds support for fastpath APIs to handle HW aggregated packets. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed/qede: Add infrastructure support for hardware GROManish Chopra2016-03-073-33/+79
| | | | | | | | | | This patch adds mainly structures and APIs prototype changes in order to give support for qede slowpath/fastpath support for the same. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Remove unused NVM vendor IDYuval Mintz2016-03-022-10/+0
| | | | | | | Remove 2 unused fields from driver code. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Fix error flow on slowpath startYuval Mintz2016-03-023-44/+64
| | | | | | | | | | | In case of problems when initializing the chip, the error flows aren't being properly done. Specifically, it's possible that the chip would be left in a configuration allowing it [internally] to access the host memory, causing fatal problems in the device that would require power cycle to overcome. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Move statistics to L2 codeYuval Mintz2016-03-023-245/+324
| | | | | | | | Current statistics logic is meant for L2, not for all future protocols. Move this content to the proper designated file. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Support B0 instead of A0Yuval Mintz2016-03-022-19/+24
| | | | | | | | | | | | BB_A0 is a development model that is will not reach actual clients. In fact, future firmware would simply fail to initialize such chip. This changes the configuration into B0 instead of A0, and adds a safeguard against the slim chance someone would actually try this with an A0 adapter in which case probe would gracefully fail. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Correct BAR sizes for older MFWRam Amrani2016-03-021-13/+29
| | | | | | | | | | Driver learns the inner bar sized from a register configured by management firmware, but older versions are not setting this register. But since we know which values were configured back then, use them instead. Signed-off-by: Ram Amrani <Ram.Amrani@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Print additional HW attention infoYuval Mintz2016-03-012-105/+479
| | | | | | | | | | | This patch utilizes the attention infrastructure to log additional information that relates only to specific HW blocks. For some of those HW blocks, it also stops automatically disabling the attention generation as the attention is considered benign and thus should only be logged; No fear of it flooding the system. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Print HW attention reasonsYuval Mintz2016-03-011-107/+1436
| | | | | | | | | | | | Each HW block contains common information about attention reasons, raising a bit for each one of the different sub-reasons that caused it to raise an attention. This patch extends the infrastructure by allowing logging of the various reasons causing the HW blocks to generate an attention. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Add support for HW attentionsYuval Mintz2016-03-012-40/+357
| | | | | | | | | | | | | | | HW is capable of generating attentnions for a multitude of reasons, but current driver is enabling attention generation only for management firmware [required for link notifications]. This patch enables almost all of the possible reasons for HW attentions, logging the HW block generating the attention and preventing further attentions from that source [to prevent possible attention flood]. It also lays the infrastructure for additional exploration of the various attentions. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Semantic refactoring of interrupt codeYuval Mintz2016-03-014-77/+105
| | | | | Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed, qede: rebrand module descriptionYuval Mintz2016-02-252-6/+6
| | | | | | | Drop the `QL4xxx 40G/100G' and use `FastLinQ 4xxxx' instead. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Prevent probe on previous errorYuval Mintz2016-02-251-0/+11
| | | | | | | | Don't allow driver to probe on an adapter at a failed state; Gracefully block the probe instead. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: add MODULE_FIRMWARE()Yuval Mintz2016-02-251-0/+2
| | | | | | | Module is using a binary firmware file and so should be marked as such. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qede: Don't report link change needlesslyYuval Mintz2016-02-251-6/+10
| | | | | | | | | There are several corner cases where driver might get a 2nd notification about the same link change. Don't log any additional changes if the physical carrier is already reported as it should. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qede: Linearize SKBs when neededYuval Mintz2016-02-251-5/+33
| | | | | | | | | There's a corner-case in HW where an SKB queued for transmission that contains too many frags will cause FW to assert. This patch solves this by linearizing the SKB if necessary. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qede: Change pci DID for 10g deviceYuval Mintz2016-02-251-1/+1
| | | | | | | | The device ID for the 10g module has changed. Populate the pci_ids table accordingly. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netxen: Use kobj_to_dev()Amitoj Kaur Chawla2016-02-251-5/+5
| | | | | | | | | | | | | | | | | | | Introduce the use of kobj_to_dev() helper function instead of open coding it with container_of() The Coccinelle semantic patch used to make this change is as follows: //<smpl> @@ expression a; symbol kobj; @@ - container_of(a, struct device, kobj) + kobj_to_dev(a) //</smpl> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed,qede: Bump driver versions to 8.7.0.0Yuval Mintz2016-02-212-2/+2
| | | | | Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Introduce DMA_REGPAIR_LEYuval Mintz2016-02-213-20/+10
| | | | | | | | | FW hsi contains regpairs, mostly for 64-bit address representations. Since same paradigm is applied each time a regpair is filled, this introduces a new utility macro for setting such regpairs. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Change metadata needed for SPQ entriesYuval Mintz2016-02-213-107/+95
| | | | | | | | | | Each configuration element send via ramrod requires a Slow Path Queue entry. This slightly changes the way such an entry is configured, but contains mostly semantic changes [where more parameters are gathered in a sub-struct instead of being directly passed]. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Handle possible race in SB configYuval Mintz2016-02-211-9/+9
| | | | | | | | | | | | | | Due to HW design, some of the memories are wide-bus and access to those needs to be sequentialized on a per-HW-block level; Read/write to a given HW-block might break other read/write to wide-bus memory done at ~same time. Status blocks initialization in CAU is done into such a wide-bus memory. This moves the initialization into using DMAE which is guaranteed to be safe to use on such memories. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Turn most GFP_ATOMIC into GFP_KERNELYuval Mintz2016-02-216-15/+15
| | | | | | | | | Initial driver submission used GFP_ATOMIC almost inclusively when allocating memory. We now remedy this point, using GFP_KERNEL where it's possible. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qede: Add vlan filtering offload supportSudarsana Reddy Kalluru2016-02-182-1/+286
| | | | | | | | | | | Device would start receiving only vlan-tagged traffic with tags matching that of one of the configured vlan IDs, unless: - Device is expliicly placed in PROMISC mode. - Device exhausts its vlan filter credits. Signed-off-by: Sudarsana Reddy Kalluru <sudarsana.kalluru@qlogic.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed: Lay infrastructure for vlan filtering offloadYuval Mintz2016-02-181-4/+19
| | | | | | | | | | | | | Today, interfaces are working in vlan-promisc mode; But once vlan filtering offloaded would be supported, we'll need a method to control it directly [e.g., when setting device to PROMISC, or when running out of vlan credits]. This adds the necessary API for L2 client to manually choose whether to accept all vlans or only those for which filters were configured. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* qed/qede: use 8.7.3.0 FW.Yuval Mintz2016-02-1714-1679/+1573
| | | | | | | | | | | | | | | | | | This patch moves the qed* driver into utilizing the 8.7.3.0 FW. This new FW is required for a lot of new SW features, including: - Vlan filtering offload - Encapsulation offload support - HW ingress aggregations As well as paving the way for the possibility of adding storage protocols in the future. V2: - Fix kbuild test robot error/warnings. Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@qlogic.com> Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2016-01-061-2/+4
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