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* scsi: remove eh_timed_out methods in the transport templateChristoph Hellwig2017-02-061-0/+1
| | | | | | | | | | | | | Instead define the timeout behavior purely based on the host_template eh_timed_out method and wire up the existing transport implementations in the host templates. This also clears up the confusion that the transport template method overrides the host template one, so some drivers have to re-override the transport template one. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tyrel Datwyler <tyreld@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* scsi/bnx2i: Convert to hotplug state machineSebastian Andrzej Siewior2016-12-251-48/+30
| | | | | | | | | | | | | | | | | | | | | | | Install the callbacks via the state machine. No functional change. This is the minimal fixup so we can remove the hotplug notifier mess completely. The real rework of this driver to use work queues is still stuck in review/testing on the SCSI mailing list. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Cc: "James E.J. Bottomley" <jejb@linux.vnet.ibm.com> Cc: linux-scsi@vger.kernel.org Cc: "Martin K. Petersen" <martin.petersen@oracle.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Chad Dupuis <chad.dupuis@qlogic.com> Cc: QLogic-Storage-Upstream@qlogic.com Cc: Johannes Thumshirn <jth@kernel.org> Cc: Christoph Hellwig <hch@lst.de> Link: http://lkml.kernel.org/r/20161221192111.836895753@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
* bnx2i: fix spelling mistake "complection" -> "completion"Colin Ian King2016-07-121-1/+1
| | | | | | | | Trivial fix to spelling mistake in printk message. Signed-off-by: Colin Ian King <colin.king@canonical.com> Reviewed-by: Laurence Oberman <loberman@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* bnx2i: silence uninitialized variable warningsDan Carpenter2016-04-251-2/+2
| | | | | | | | | | Presumably it isn't possible to have empty lists here, but my static checker doesn't know that and complains that "ep" can be used uninitialized. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Nilesh Javali <nilesh.javali@qlogic.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* bnx2i: Fix call trace while device resetNilesh Javali2015-06-021-0/+2
| | | | | | | | | | | | The driver waits for command completion event while cleanup of task within the frwd lock and back locks. The frwd lock was still held which caused the call trace while issuing a device reset. Release the frwd lock along with the back lock to avoid waiting in the lock context. Signed-off-by: Nilesh Javali <nilesh.javali@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* bnx2i: Fixed firmware assert, during target logout.Tej Parkash2015-06-021-1/+2
| | | | | | | | | | | Fix the firmware assert, during target logout in case driver received FIN from target before waiting for asyncronous response. Signed-off-by: Tej Parkash <tej.parkash@qlogic.com> Signed-off-by: Nilesh Javali <nilesh.javali@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Odin.com>
* scsi: drop reason argument from ->change_queue_depthChristoph Hellwig2014-11-241-1/+1
| | | | | | | | | | | Drop the now unused reason argument from the ->change_queue_depth method. Also add a return value to scsi_adjust_queue_depth, and rename it to scsi_change_queue_depth now that it can be used as the default ->change_queue_depth implementation. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de>
* scsi: avoid ->change_queue_depth indirection for queue full trackingChristoph Hellwig2014-11-241-0/+1
| | | | | | | | | | | | | | | | | All drivers use the implementation for ramping the queue up and down, so instead of overloading the change_queue_depth method call the implementation diretly if the driver opts into it by setting the track_queue_depth flag in the host template. Note that a few drivers validated the new queue depth in their change_queue_depth method, but as we never go over the queue depth set during slave_configure or the sysfs file this isn't nessecary and can safely be removed. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Venkatesh Srinivas <venkateshs@google.com>
* Merge tag 'scsi-for-linus' of ↵Linus Torvalds2014-10-071-0/+3
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This patch set consists of the usual driver updates (megaraid_sas, arcmsr, be2iscsi, lpfc, mpt2sas, mpt3sas, qla2xxx, ufs) plus several assorted fixes and miscellaneous updates (including the pci_msix_enable_range() changes that have been pending for a while)" * tag 'scsi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (202 commits) scsi: add a CONFIG_SCSI_MQ_DEFAULT option ufs: definitions for phy interface ufs: tune bkops while power managment events ufs: Add support for clock scaling using devfreq framework ufs: Add freq-table-hz property for UFS device ufs: Add support for clock gating ufs: refactor configuring power mode ufs: add UFS power management support ufs: introduce well known logical unit in ufs ufs: manually add well known logical units ufs: Active Power Mode - configuring bActiveICCLevel ufs: improve init sequence ufs: refactor query descriptor API support ufs: add voting support for host controller power ufs: Add clock initialization support ufs: Add regulator enable support ufs: Allow vendor specific initialization scsi: don't add scsi_device if its already visible scsi: fix the type for well known LUs scsi: fix comment in struct Scsi_Host definition ...
| * bnx2i: Make boot_nic entry visible in the sysfs session objectsTej Parkash2014-09-161-0/+3
| | | | | | | | | | | | | | | | Signed-off-by: Tej Parkash <tej.parkash@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* | bnx2i/bnx2fc : fix randconfig error in next-20140909Anish Bhatt2014-09-151-0/+1
|/ | | | | | | | | | | | Just like CNIC, tristate of these two modules is also dependent on IPV6. These need to be handled separately as they select CNIC, which can override tristate for CNIC from 'm' to 'y', which can cause build failures when ipv6 is compiled as a module even if CNIC's Kconfig will only 'm' or 'n' when ipv6 is compiled as a module. Fixes: c99d667e8527 ("cnic : Cleanup CONFIG_IPV6 & VLAN check") Signed-off-by: Anish Bhatt <anish@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* bnx2i: Update driver version to 2.7.10.1Vikas Chaudhary2014-07-251-2/+2
| | | | | Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* bnx2i: Rebranding bnx2i driverVikas Chaudhary2014-07-258-19/+33
| | | | | | | | | QLogic has acquired the NetXtremeII products and drivers from Broadcom. This patch re-brands bnx2i driver as a QLogic driver Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Acked-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* bnx2i, be2iscsi: fix custom stats lengthMike Christie2014-07-251-4/+3
| | | | | | | | | | | | | | The custom stats is an array with custom_length indicating the length of the array. This patch fixes bnx2i and be2iscsi's setting of the custom stats length. They both just have the one, eh_abort_cnt, so that should be in the first entry of the custom array and custom_length should then be one. Reported-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Acked-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
* Merge branch 'sched/urgent' into sched/core, to avoid conflictsIngo Molnar2014-05-071-2/+10
|\ | | | | | | Signed-off-by: Ingo Molnar <mingo@kernel.org>
| * Merge tag 'cpu-hotplug-3.15-rc1' of ↵Linus Torvalds2014-04-071-2/+10
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull CPU hotplug notifiers registration fixes from Rafael Wysocki: "The purpose of this single series of commits from Srivatsa S Bhat (with a small piece from Gautham R Shenoy) touching multiple subsystems that use CPU hotplug notifiers is to provide a way to register them that will not lead to deadlocks with CPU online/offline operations as described in the changelog of commit 93ae4f978ca7f ("CPU hotplug: Provide lockless versions of callback registration functions"). The first three commits in the series introduce the API and document it and the rest simply goes through the users of CPU hotplug notifiers and converts them to using the new method" * tag 'cpu-hotplug-3.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (52 commits) net/iucv/iucv.c: Fix CPU hotplug callback registration net/core/flow.c: Fix CPU hotplug callback registration mm, zswap: Fix CPU hotplug callback registration mm, vmstat: Fix CPU hotplug callback registration profile: Fix CPU hotplug callback registration trace, ring-buffer: Fix CPU hotplug callback registration xen, balloon: Fix CPU hotplug callback registration hwmon, via-cputemp: Fix CPU hotplug callback registration hwmon, coretemp: Fix CPU hotplug callback registration thermal, x86-pkg-temp: Fix CPU hotplug callback registration octeon, watchdog: Fix CPU hotplug callback registration oprofile, nmi-timer: Fix CPU hotplug callback registration intel-idle: Fix CPU hotplug callback registration clocksource, dummy-timer: Fix CPU hotplug callback registration drivers/base/topology.c: Fix CPU hotplug callback registration acpi-cpufreq: Fix CPU hotplug callback registration zsmalloc: Fix CPU hotplug callback registration scsi, fcoe: Fix CPU hotplug callback registration scsi, bnx2fc: Fix CPU hotplug callback registration scsi, bnx2i: Fix CPU hotplug callback registration ...
| | * scsi, bnx2i: Fix CPU hotplug callback registrationSrivatsa S. Bhat2014-03-201-2/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Subsystems that want to register CPU hotplug callbacks, as well as perform initialization for the CPUs that are already online, often do it as shown below: get_online_cpus(); for_each_online_cpu(cpu) init_cpu(cpu); register_cpu_notifier(&foobar_cpu_notifier); put_online_cpus(); This is wrong, since it is prone to ABBA deadlocks involving the cpu_add_remove_lock and the cpu_hotplug.lock (when running concurrently with CPU hotplug operations). Instead, the correct and race-free way of performing the callback registration is: cpu_notifier_register_begin(); for_each_online_cpu(cpu) init_cpu(cpu); /* Note the use of the double underscored version of the API */ __register_cpu_notifier(&foobar_cpu_notifier); cpu_notifier_register_done(); Fix the bnx2i code in scsi by using this latter form of callback registration. Cc: Eddie Wai <eddie.wai@broadcom.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
* | | sched, treewide: Replace hardcoded nice values with MIN_NICE/MAX_NICEDongsheng Yang2014-04-181-1/+1
|/ / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace various -20/+19 hardcoded nice values with MIN_NICE/MAX_NICE. Signed-off-by: Dongsheng Yang <yangds.fnst@cn.fujitsu.com> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/ff13819fd09b7a5dba5ab5ae797f2e7019bdfa17.1394532288.git.yangds.fnst@cn.fujitsu.com Cc: devel@driverdev.osuosl.org Cc: devicetree@vger.kernel.org Cc: fcoe-devel@open-fcoe.org Cc: linux390@de.ibm.com Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org Cc: linux-s390@vger.kernel.org Cc: linux-scsi@vger.kernel.org Cc: nbd-general@lists.sourceforge.net Cc: ocfs2-devel@oss.oracle.com Cc: openipmi-developer@lists.sourceforge.net Cc: qla2xxx-upstream@qlogic.com Cc: linux-arch@vger.kernel.org [ Consolidated the patches, twiddled the changelog. ] Signed-off-by: Ingo Molnar <mingo@kernel.org>
* | Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsiLinus Torvalds2014-04-012-27/+27
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull first round of SCSI updates from James Bottomley: "This patch consists of the usual driver updates (megaraid_sas, scsi_debug, qla2xxx, qla4xxx, lpfc, bnx2fc, be2iscsi, hpsa, ipr) plus an assortment of minor fixes and the first precursors of SCSI-MQ (the code path simplifications) and the bug fix for the USB oops on remove (which involves an infrastructure change, so is sent via the main tree with a delayed backport after a cycle in which it is shown to introduce no new bugs)" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (196 commits) [SCSI] sd: Quiesce mode sense error messages [SCSI] add support for per-host cmd pools [SCSI] simplify command allocation and freeing a bit [SCSI] megaraid: simplify internal command handling [SCSI] ses: Use vpd information from scsi_device [SCSI] Add EVPD page 0x83 and 0x80 to sysfs [SCSI] Return VPD page length in scsi_vpd_inquiry() [SCSI] scsi_sysfs: Implement 'is_visible' callback [SCSI] hpsa: update driver version to 3.4.4-1 [SCSI] hpsa: fix bad endif placement in RAID 5 mapper code [SCSI] qla2xxx: Fix build errors related to invalid print fields on some architectures. [SCSI] bfa: Replace large udelay() with mdelay() [SCSI] vmw_pvscsi: Some improvements in pvscsi driver. [SCSI] vmw_pvscsi: Add support for I/O requests coalescing. [SCSI] vmw_pvscsi: Fix pvscsi_abort() function. [SCSI] remove deprecated IRQF_DISABLED from SCSI [SCSI] bfa: Updating Maintainers email ids [SCSI] ipr: Add new CCIN definition for Grand Canyon support [SCSI] ipr: Format HCAM overlay ID 0x21 [SCSI] ipr: Use pci_enable_msi_range() and pci_enable_msix_range() ...
| * | [SCSI] libiscsi: Reduce locking contention in fast pathShlomo Pongratz2014-03-152-27/+27
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Replace the session lock with two locks, a forward lock and a backwards lock named frwd_lock and back_lock respectively. The forward lock protects resources that change while sending a request to the target, such as cmdsn, queued_cmdsn, and allocating task from the commands' pool with kfifo_out. The backward lock protects resources that change while processing a response or in error path, such as cmdsn_exp, cmdsn_max, and returning tasks to the commands' pool with kfifo_in. Under a steady state fast-path situation, that is when one or more processes/threads submit IO to an iscsi device and a single kernel upcall (e.g softirq) is dealing with processing of responses without errors, this patch eliminates the contention between the queuecommand()/request response/scsi_done() flows associated with iscsi sessions. Between the forward and the backward locks exists a strict locking hierarchy. The mutual exclusion zone protected by the forward lock can enclose the mutual exclusion zone protected by the backward lock but not vice versa. For example, in iscsi_conn_teardown or in iscsi_xmit_data when there is a failure and __iscsi_put_task is called, the backward lock is taken while the forward lock is still taken. On the other hand, if in the RX path a nop is to be sent, for example in iscsi_handle_reject or __iscsi_complete_pdu than the forward lock is released and the backward lock is taken for the duration of iscsi_send_nopout, later the backward lock is released and the forward lock is retaken. libiscsi_tcp uses two kernel fifos the r2t pool and the r2t queue. The insertion and deletion from these queues didn't corespond to the assumption taken by the new forward/backwards session locking paradigm. That is, in iscsi_tcp_clenup_task which belongs to the RX (backwards) path, r2t is taken out from r2t queue and inserted to the r2t pool. In iscsi_tcp_get_curr_r2t which belong to the TX (forward) path, r2t is also inserted to the r2t pool and another r2t is pulled from r2t queue. Only in iscsi_tcp_r2t_rsp which is called in the RX path but can requeue to the TX path, r2t is taken from the r2t pool and inserted to the r2t queue. In order to cope with this situation, two spin locks were added, pool2queue and queue2pool. The former protects extracting from the r2t pool and inserting to the r2t queue, and the later protects the extracing from the r2t queue and inserting to the r2t pool. Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> [minor fix up to apply cleanly and compile fix] Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* | cnic,bnx2i,bnx2fc: Fix inconsistent use of page sizeMichael Chan2014-03-182-37/+38
|/ | | | | | | | | | | | | | The bnx2/bnx2x rings are made up of linked pages. However there is an upper limit on the page size as some the page size settings are 16-bit in the hardware/firmware interface. In the current code, some parts use BNX2_PAGE_SIZE which has a 16K upper limit and some parts use PAGE_SIZE. On archs with >= 64K PAGE_SIZE, it generates some compile warnings. Define a new CNIC_PAGE_SZIE which has an upper limit of 16K and use it consistently in all relevant parts. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'for-linus' of ↵Linus Torvalds2013-11-152-15/+15
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial Pull trivial tree updates from Jiri Kosina: "Usual earth-shaking, news-breaking, rocket science pile from trivial.git" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (23 commits) doc: usb: Fix typo in Documentation/usb/gadget_configs.txt doc: add missing files to timers/00-INDEX timekeeping: Fix some trivial typos in comments mm: Fix some trivial typos in comments irq: Fix some trivial typos in comments NUMA: fix typos in Kconfig help text mm: update 00-INDEX doc: Documentation/DMA-attributes.txt fix typo DRM: comment: `halve' -> `half' Docs: Kconfig: `devlopers' -> `developers' doc: typo on word accounting in kprobes.c in mutliple architectures treewide: fix "usefull" typo treewide: fix "distingush" typo mm/Kconfig: Grammar s/an/a/ kexec: Typo s/the/then/ Documentation/kvm: Update cpuid documentation for steal time and pv eoi treewide: Fix common typo in "identify" __page_to_pfn: Fix typo in comment Correct some typos for word frequency clk: fixed-factor: Fix a trivial typo ...
| * treewide: Fix common typo in "identify"Maxime Jayat2013-10-142-15/+15
| | | | | | | | | | | | | | | | Correct common misspelling of "identify" as "indentify" throughout the kernel Signed-off-by: Maxime Jayat <maxime@artisandeveloppeur.fr> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* | bnx2x, cnic, bnx2i, bnx2fc: Fix bnx2i and bnx2fc regressions.Michael Chan2013-09-182-3/+2
|/ | | | | | | | | | | | | | | | commit b9871bcfd211d316adee317608dab44c58d6ea2d bnx2x: VF RSS support - PF side changed the configuration of the doorbell HW and it broke iSCSI and FCoE. We fix this by making compatible changes to the doorbell address in bnx2i and bnx2fc. For the userspace driver, we need to pass a modified CID so that the existing userspace driver will calculate the correct doorbell address and continue to work. Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2013-09-052-11/+13
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking changes from David Miller: "Noteworthy changes this time around: 1) Multicast rejoin support for team driver, from Jiri Pirko. 2) Centralize and simplify TCP RTT measurement handling in order to reduce the impact of bad RTO seeding from SYN/ACKs. Also, when both timestamps and local RTT measurements are available prefer the later because there are broken middleware devices which scramble the timestamp. From Yuchung Cheng. 3) Add TCP_NOTSENT_LOWAT socket option to limit the amount of kernel memory consumed to queue up unsend user data. From Eric Dumazet. 4) Add a "physical port ID" abstraction for network devices, from Jiri Pirko. 5) Add a "suppress" operation to influence fib_rules lookups, from Stefan Tomanek. 6) Add a networking development FAQ, from Paul Gortmaker. 7) Extend the information provided by tcp_probe and add ipv6 support, from Daniel Borkmann. 8) Use RCU locking more extensively in openvswitch data paths, from Pravin B Shelar. 9) Add SCTP support to openvswitch, from Joe Stringer. 10) Add EF10 chip support to SFC driver, from Ben Hutchings. 11) Add new SYNPROXY netfilter target, from Patrick McHardy. 12) Compute a rate approximation for sending in TCP sockets, and use this to more intelligently coalesce TSO frames. Furthermore, add a new packet scheduler which takes advantage of this estimate when available. From Eric Dumazet. 13) Allow AF_PACKET fanouts with random selection, from Daniel Borkmann. 14) Add ipv6 support to vxlan driver, from Cong Wang" Resolved conflicts as per discussion. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1218 commits) openvswitch: Fix alignment of struct sw_flow_key. netfilter: Fix build errors with xt_socket.c tcp: Add missing braces to do_tcp_setsockopt caif: Add missing braces to multiline if in cfctrl_linkup_request bnx2x: Add missing braces in bnx2x:bnx2x_link_initialize vxlan: Fix kernel panic on device delete. net: mvneta: implement ->ndo_do_ioctl() to support PHY ioctls net: mvneta: properly disable HW PHY polling and ensure adjust_link() works icplus: Use netif_running to determine device state ethernet/arc/arc_emac: Fix huge delays in large file copies tuntap: orphan frags before trying to set tx timestamp tuntap: purge socket error queue on detach qlcnic: use standard NAPI weights ipv6:introduce function to find route for redirect bnx2x: VF RSS support - VF side bnx2x: VF RSS support - PF side vxlan: Notify drivers for listening UDP port changes net: usbnet: update addr_assign_type if appropriate driver/net: enic: update enic maintainers and driver driver/net: enic: Exposing symbols for Cisco's low latency driver ...
| * cnic, bnx2i: Fix bug on some bnx2x devices that don't support iSCSIMichael Chan2013-08-021-7/+5
| | | | | | | | | | | | | | | | | | | | | | On some bnx2x devices, iSCSI is determined to be unsupported only after firmware is downloaded. We need to check max_iscsi_conn again after NETDEV_UP and block iSCSI init operations. Without this fix, iscsiadm can hang as the firmware will not respond to the iSCSI init message. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * cnic: Update TCP options setup for iSCSI.Eddie Wai2013-07-291-4/+8
| | | | | | | | | | | | | | | | | | Update TCP delayed ACK and timestamp options setup to match latest bnx2x firmware. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SCSI] bnx2i: Update version and copyright year 2013Eddie Wai2013-08-237-9/+9
|/ | | | | | | | Old version: 2.7.2.2 New version: 2.7.6.2 Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* treewide: Fix typo in printk and commentsMasanari Iida2013-04-241-6/+6
| | | | | | | Fix typo in printk and comments within various drivers. Signed-off-by: Masanari Iida <standby24x7@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* [SCSI] bnx2i: fix the bit manipulation when setting the error maskTomas Henzl2013-01-291-1/+1
| | | | | | | | | | The intention in bnx2i_send_fw_iscsi_init_msg was to zero out only the lower 32bits, but instead the whole mask64 is zeroed. This patch fixes it. Signed-off-by: Tomas Henzl <thenzl@redhat.com> Acked-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* Drivers: scsi: remove __dev* attributes.Greg Kroah-Hartman2013-01-031-1/+1
| | | | | | | | | | | | | | | | CONFIG_HOTPLUG is going away as an option. As a result, the __dev* markings need to be removed. This change removes the use of __devinit, __devexit_p, __devinitdata, __devinitconst, and __devexit from these drivers. Based on patches originally written by Bill Pemberton, but redone by me in order to handle some of the coding style issues better, by hand. Cc: Bill Pemberton <wfp5p@virginia.edu> Cc: Adam Radford <linuxraid@lsi.com> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* [SCSI] bnx2i: removed the individual PCI DEVICE ID checkingEddie Wai2012-11-273-28/+19
| | | | | | | | | | | | Removed the individual PCI DEVICE ID checking inside bnx2i. The device type can easily be read from the corresponding cnic->flags. This will free bnx2i from having to get updated for every new device ID that gets added. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Acked-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] bnx2i: Fixed NULL ptr deference for 1G bnx2 Linux iSCSI offloadEddie Wai2012-09-171-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes the following kernel panic invoked by uninitialized fields in the chip initialization for the 1G bnx2 iSCSI offload. One of the bits in the chip initialization is being used by the latest firmware to control overflow packets. When this control bit gets enabled erroneously, it would ultimately result in a bad packet placement which would cause the bnx2 driver to dereference a NULL ptr in the placement handler. This can happen under certain stress I/O environment under the Linux iSCSI offload operation. This change only affects Broadcom's 5709 chipset. Unable to handle kernel NULL pointer dereference at 0000000000000008 RIP: [<ffffffff881f0e7d>] :bnx2:bnx2_poll_work+0xd0d/0x13c5 Pid: 0, comm: swapper Tainted: G ---- 2.6.18-333.el5debug #2 RIP: 0010:[<ffffffff881f0e7d>] [<ffffffff881f0e7d>] :bnx2:bnx2_poll_work+0xd0d/0x13c5 RSP: 0018:ffff8101b575bd50 EFLAGS: 00010216 RAX: 0000000000000005 RBX: ffff81007c5fb180 RCX: 0000000000000000 RDX: 0000000000000ffc RSI: 00000000817e8000 RDI: 0000000000000220 RBP: ffff81015bbd7ec0 R08: ffff8100817e9000 R09: 0000000000000000 R10: ffff81007c5fb180 R11: 00000000000000c8 R12: 000000007a25a010 R13: 0000000000000000 R14: 0000000000000005 R15: ffff810159f80558 FS: 0000000000000000(0000) GS:ffff8101afebc240(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000008 CR3: 0000000000201000 CR4: 00000000000006a0 Process swapper (pid: 0, threadinfo ffff8101b5754000, task ffff8101afebd820) Stack: 000000000000000b ffff810159f80000 0000000000000040 ffff810159f80520 ffff810159f80500 00cf00cf8008e84b ffffc200100939e0 ffff810009035b20 0000502900000000 000000be00000001 ffff8100817e7810 00d08101b575bea8 Call Trace: <IRQ> [<ffffffff8008e0d0>] show_schedstat+0x1c2/0x25b [<ffffffff881f1886>] :bnx2:bnx2_poll+0xf6/0x231 [<ffffffff8000c9b9>] net_rx_action+0xac/0x1b1 [<ffffffff800125a0>] __do_softirq+0x89/0x133 [<ffffffff8005e30c>] call_softirq+0x1c/0x28 [<ffffffff8006d5de>] do_softirq+0x2c/0x7d [<ffffffff8006d46e>] do_IRQ+0xee/0xf7 [<ffffffff8005d625>] ret_from_intr+0x0/0xa <EOI> [<ffffffff801a5780>] acpi_processor_idle_simple+0x1c5/0x341 [<ffffffff801a573d>] acpi_processor_idle_simple+0x182/0x341 [<ffffffff801a55bb>] acpi_processor_idle_simple+0x0/0x341 [<ffffffff80049560>] cpu_idle+0x95/0xb8 [<ffffffff80078b1c>] start_secondary+0x479/0x488 Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Cc: stable@vger.kernel.org Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-07-193-7/+7
|\ | | | | | | | | Conflicts: drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
| * [SCSI] bnx2i: Removed the reference to the netdev->base_addrEddie Wai2012-07-083-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The netdev->base_addr parameter has been deprecated in the L2 bnx2 driver. This is used by bnx2i for the BARn iomapping. This patch will directly reference the pci_resource_start instead of using the deprecated netdev->base_addr. This patch is actually a critical bug fix as the 1G bnx2 driver no longer supports the netdev->base_addr in the current kernel of the scsi tree. This means that Broadcom's 1G Linux iSCSI offload solution would not work at all without this patch. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* | bnx2i: use strlcpy() instead of memcpy() for stringsDan Carpenter2012-07-081-1/+1
| | | | | | | | | | | | | | | | | | | | DRV_MODULE_VERSION here is "2.7.2.2" which is only 8 chars but we copy 12 bytes from the stack so it's a small information leak. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Michael Chan <mchan@broadcom.com> Acked-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | bnx2x, bnx2fc, bnx2i, cnic: Add statistics support and FCoE capabilities ↵Barak Witkowski2012-06-275-14/+146
|/ | | | | | | | | | | | | | | | advertisement 1. When FCoE offload driver is registered, copy its capabilities to the chip scratchpad. 2. Copy FCoE/iSCSI MAC addresses in aligned manner to chip scratchpad. 3. Add FCoE/iSCSI statistics collection support Signed-off-by: Barak Witkowski <barak@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* [SCSI] bnx2i: Updated version and copyright yearEddie Wai2012-05-107-9/+9
| | | | | | | | | Old version: 2.7.0.3 New version: 2.7.2.2 Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* [SCSI] bnx2i: Added the setting of target can_queue via target_allocEddie Wai2012-05-101-0/+1
| | | | | | | | | | | | This will set the target can_queue limit to the number of preallocated session tasks set during creation. "Could not send nopout" messages were observed without this when the iSCSI connection experiences dropped frames under heavy I/O stress. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds2012-03-231-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking fixes from David Miller: 1) L2TP doesn't get autoloaded when you try to open an L2TP socket due to a missing module alias, fix from Benjamin LaHaise. 2) Netlabel and RDS should propagate gfp flags given to them by callers, fixes from Dan Carpeneter. 3) Recursive locking fix in usbnet wasn't bulletproof and can result in objects going away mid-flight due to races, fix from Ming Lei. 4) Fix up some confusion about a bool module parameter in netfilter's iptable_filter and ip6table_filter, from Rusty Russell. 5) If SKB recycling is used via napi_reuse_skb() we end up with different amounts of headroom reserved than we had at the original SKB allocation. Fix from Eric Dumazet. 6) Fix races in TG3 driver ring refilling, from Michael Chan. 7) We have callbacks for IPSEC replay notifiers, but some call sites were not using the ops method and instead were calling one of the implementations directly. Oops. Fix from Steffen Klassert. 8) Fix IP address validation properly in the bonding driver, the previous fix only works with netlink where the subnet mask and IP address are changed in one atomic operation. When 'ifconfig' ioctls are used the IP address and the subnet mask are changed in two distinct operations. Fix from Andy Gospodarek. 9) Provide a sky2 module operation to work around power management issues with some BIOSes. From Stephen Hemminger. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: usbnet: consider device busy at each recieved packet bonding: remove entries for master_ip and vlan_ip and query devices instead netfilter: remove forward module param confusion. usbnet: don't clear urb->dev in tx_complete usbnet: increase URB reference count before usb_unlink_urb xfrm: Access the replay notify functions via the registered callbacks xfrm: Remove unused xfrm_state from xfrm_state_check_space RDS: use gfp flags from caller in conn_alloc() netlabel: use GFP flags from caller instead of GFP_ATOMIC l2tp: enable automatic module loading for l2tp_ppp cnic: Fix parity error code conflict tg3: Fix RSS ring refill race condition sky2: override for PCI legacy power management net: fix napi_reuse_skb() skb reserve
| * cnic: Fix parity error code conflictMichael Chan2012-03-211-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | The recently added parity error handling used an error code that was already defined for a different error. This could lead to bnx2x firmware assert. We need to fix this with new error codes that are defined for parity error only. Signed-off-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SCSI] bnx2i: Fixed the override of the error_mask module paramEddie Wai2012-02-192-6/+10
| | | | | | | | | | | | | | | | | | | | | | | | The error_mask module param overrides has a bug which prevented the new module param values to take effect. Also changed the type attribute of the error_mask1/2 module params from int to uint to allow the MSB to be set. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* | [SCSI] bnx2i: use kthread_create_on_node()Eric Dumazet2012-02-191-2/+3
|/ | | | | | | | | bnx2i_percpu_thread_create() create per cpu kthread, and should use proper NUMA aware API. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* switch ->is_visible() to returning umode_tAl Viro2012-01-031-1/+1
| | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
* [SCSI] bnx2i: Fixed kernel panic caused by unprotected task->sc->request derefEddie Wai2011-12-141-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During session recovery, the conn_stop call will trigger a flush to all outstanding SCSI cmds in the xmit queue. This will set all outstanding task->sc to NULL prior to the session_teardown call which frees the task memory. In the bnx2i SCSI response processing path, only the task was being checked for NULL under the session lock before the task->sc->request dereferencing. If there are outstanding SCSI cmd responses pending for process, the following kernel panic can be exposed where task->sc was found to be NULL. Call Trace: [ 69.720205] [<ffffffffa040d0d0>] bnx2i_process_new_cqes+0x290/0x3c0 [bnx2i] [ 69.804289] [<ffffffffa040d233>] bnx2i_fastpath_notification+0x33/0xa0 [bnx2 i] [ 69.891490] [<ffffffffa040d37b>] bnx2i_indicate_kcqe+0xdb/0x330 [bnx2i] [ 69.971427] [<ffffffffa03eac5e>] service_kcqes+0x16e/0x1d0 [cnic] [ 70.045132] [<ffffffffa03eacea>] cnic_service_bnx2x_kcq+0x2a/0x50 [cnic] [ 70.126105] [<ffffffffa03ead53>] cnic_service_bnx2x_bh+0x43/0x140 [cnic] [ 70.207081] [<ffffffff81060676>] tasklet_action+0x66/0x110 [ 70.273521] [<ffffffff8106025f>] __do_softirq+0xef/0x220 [ 70.337887] [<ffffffff81447ebc>] call_softirq+0x1c/0x30 This patch adds the !task->sc check and also protects the sc dereferencing under the session lock. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds2011-10-281-26/+54
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (204 commits) [SCSI] qla4xxx: export address/port of connection (fix udev disk names) [SCSI] ipr: Fix BUG on adapter dump timeout [SCSI] megaraid_sas: Fix instance access in megasas_reset_timer [SCSI] hpsa: change confusing message to be more clear [SCSI] iscsi class: fix vlan configuration [SCSI] qla4xxx: fix data alignment and use nl helpers [SCSI] iscsi class: fix link local mispelling [SCSI] iscsi class: Replace iscsi_get_next_target_id with IDA [SCSI] aacraid: use lower snprintf() limit [SCSI] lpfc 8.3.27: Change driver version to 8.3.27 [SCSI] lpfc 8.3.27: T10 additions for SLI4 [SCSI] lpfc 8.3.27: Fix queue allocation failure recovery [SCSI] lpfc 8.3.27: Change algorithm for getting physical port name [SCSI] lpfc 8.3.27: Changed worst case mailbox timeout [SCSI] lpfc 8.3.27: Miscellanous logic and interface fixes [SCSI] megaraid_sas: Changelog and version update [SCSI] megaraid_sas: Add driver workaround for PERC5/1068 kdump kernel panic [SCSI] megaraid_sas: Add multiple MSI-X vector/multiple reply queue support [SCSI] megaraid_sas: Add support for MegaRAID 9360/9380 12GB/s controllers [SCSI] megaraid_sas: Clear FUSION_IN_RESET before enabling interrupts ...
| * [SCSI] iscsi class: sysfs group is_visible callout for iscsi host attrsMike Christie2011-08-271-2/+9
| | | | | | | | | | | | | | | | | | | | | | The iscsi class currently does not support writable sysfs attrs for LLD sysfs settings. This patch converts the iscsi class and driver's host attrs to use the attribute container sysfs group and the sysfs group's is_visible callout to be able to support readable or writable sysfs attrs. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * [SCSI] iscsi class: sysfs group is_visible callout for session attrsMike Christie2011-08-271-14/+20
| | | | | | | | | | | | | | | | | | | | | | The iscsi class currently does not support writable sysfs attrs for LLD sysfs settings. This patch converts the iscsi class and driver's session attrs to use the attribute container sysfs group and the sysfs group's is_visible callout to be able to support readable or writable sysfs attrs. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
| * [SCSI] iscsi cls: sysfs group is_visible callout for conn attrsMike Christie2011-08-271-11/+26
| | | | | | | | | | | | | | | | | | | | | | The iscsi class currently does not support writable sysfs attrs for LLD sysfs settings. This patch converts the iscsi class and drivers to use the attribute container sysfs group and the sysfs group's is_visible callout to be able to support readable or writable sysfs attrs. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
* | Merge branch 'master' of github.com:davem330/netDavid S. Miller2011-09-221-1/+1
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: MAINTAINERS drivers/net/Kconfig drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c drivers/net/ethernet/broadcom/tg3.c drivers/net/wireless/iwlwifi/iwl-pci.c drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c drivers/net/wireless/rt2x00/rt2800usb.c drivers/net/wireless/wl12xx/main.c
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