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2017-03-02sched/headers: Prepare for new header dependencies before moving code to ↵Ingo Molnar1-1/+1
<linux/sched/signal.h> We are going to split <linux/sched/signal.h> out of <linux/sched.h>, which will have to be picked up from other headers and a couple of .c files. Create a trivial placeholder <linux/sched/signal.h> file that just maps to <linux/sched.h> to make this patch obviously correct and bisectable. Include the new header in the files that are going to need it. Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: linux-kernel@vger.kernel.org Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-07-25bnx2i: Rebranding bnx2i driverVikas Chaudhary1-2/+4
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>
2013-09-18bnx2x, cnic, bnx2i, bnx2fc: Fix bnx2i and bnx2fc regressions.Michael Chan1-1/+1
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>
2013-08-23[SCSI] bnx2i: Update version and copyright year 2013Eddie Wai1-1/+1
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>
2013-04-24treewide: Fix typo in printk and commentsMasanari Iida1-6/+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>
2012-11-27[SCSI] bnx2i: removed the individual PCI DEVICE ID checkingEddie Wai1-1/+1
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>
2012-07-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-0/+1
Conflicts: drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
2012-07-08[SCSI] bnx2i: Removed the reference to the netdev->base_addrEddie Wai1-0/+1
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>
2012-06-27bnx2x, bnx2fc, bnx2i, cnic: Add statistics support and FCoE capabilities ↵Barak Witkowski1-0/+58
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>
2012-05-10[SCSI] bnx2i: Updated version and copyright yearEddie Wai1-1/+1
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>
2011-08-10broadcom: Move the Broadcom driversJeff Kirsher1-1/+1
Moves the drivers for Broadcom devices into drivers/net/ethernet/broadcom/ and the necessary Kconfig and Makefile changes. CC: Eilon Greenstein <eilong@broadcom.com> CC: Michael Chan <mchan@broadcom.com> CC: Matt Carlson <mcarlson@broadcom.com> CC: Gary Zambrano <zambrano@broadcom.com> CC: "Maciej W. Rozycki" <macro@linux-mips.org> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2011-07-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6Linus Torvalds1-4/+29
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (77 commits) [SCSI] fix crash in scsi_dispatch_cmd() [SCSI] sr: check_events() ignore GET_EVENT when TUR says otherwise [SCSI] bnx2i: Fixed kernel panic due to illegal usage of sc->request->cpu [SCSI] bfa: Update the driver version to 3.0.2.1 [SCSI] bfa: Driver and BSG enhancements. [SCSI] bfa: Added support to query PHY. [SCSI] bfa: Added HBA diagnostics support. [SCSI] bfa: Added support for flash configuration [SCSI] bfa: Added support to obtain SFP info. [SCSI] bfa: Added support for CEE info and stats query. [SCSI] bfa: Extend BSG interface. [SCSI] bfa: FCS bug fixes. [SCSI] bfa: DMA memory allocation enhancement. [SCSI] bfa: Brocade-1860 Fabric Adapter vHBA support. [SCSI] bfa: Brocade-1860 Fabric Adapter PLL init fixes. [SCSI] bfa: Added Fabric Assigned Address(FAA) support [SCSI] bfa: IOC bug fixes. [SCSI] bfa: Enable ASIC block configuration and query. [SCSI] bnx2i: Updated copyright and bump version [SCSI] bnx2i: Modified to skip CNIC registration if iSCSI is not supported ... Fix up some trivial conflicts in: - drivers/scsi/bnx2fc/{bnx2fc.h,bnx2fc_fcoe.c}: Crazy broadcom version number conflicts - drivers/target/tcm_fc/tfc_cmd.c Just trivial cleanups done on adjacent lines
2011-06-29[SCSI] bnx2i: Updated copyright and bump versionEddie Wai1-1/+1
Bumped version from 2.6.2.3 to 2.7.0.3 Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-29[SCSI] bnx2i: Added the use of kthreads to handle SCSI cmd completionEddie Wai1-3/+28
This patch breaks the SCSI cmd completion into two parts: 1. The bh will allocate and queued work to the cmd specific CPU IO completion kthread. The CPU for the cmd is from the sc->request->cpu. 2. The CPU specific IO completion kthread will call the scsi_cmd_resp routine to do the actual cmd completion. In the normal case, these IO completion kthreads should complete before the blk IO times out at 60s. However, in the case when these kthreads are blocked for whatever reason and exceeded the timeout, the call to conn_destroy will have to iterate and exhaust all related work in the percpu work list for all online CPUs. This will guarantee the protection of the work->session and conn pointers before they get freed. Also modified the event coalescing formula to have at least the event_coal_min outstanding cmds in the pipeline so the SCSI producer would not get underrun. Also changed the following SCSI parameters: - can_queue from 1024 to 2048 - cmds_per_lun from 24 to 128 Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Acked-by: Benjamin Li <benli@broadcom.com> Acked-by: Michael Chan <mchan@broadcom.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2011-06-21cnic, bnx2i: Add support for new devices - 57800, 57810, and 57840Michael Chan1-1/+1
And change iSCSI RQ doorbell size from 16B to 64B to match new firmware. 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>
2011-05-24[SCSI] bnx2i: Optimized the iSCSI offload performanceEddie Wai1-6/+10
Modified the event coalescing code for iSCSI offload to combat both corner cases and optimize performance as follows: 1. Added mechanism to loop back a second time to process any leftover CQEs that was generated by the hardware during the time the driver is busy processing previous CQEs in the bh. This not only helps the performance but also fixes the corner case when no more CQEs are being generated in the pipeline; so those leftover CQEs will get a a chance to be processed. 2. Added ARM_CQE_FP to distinguish between fast path arming versus slow path arming. This change will guarantee that the CQEs will always get a chance to be re-armed during fast path completions. 3. Removed the inline event coalescing division for perf optimization. Also fixed a division-by-zero error when the event_coal_div module param was set to 0. 4. Changed the default SQ WQEs size from 256 to 128 to match chip default. 5. Changed the cmd_per_lun from 32 to 24. 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>
2011-02-24[SCSI] bnx2i: Added iSCSI text pdu support for iSCSI offloadEddie Wai1-0/+2
This is part of an effort to support send target discovery via the iSCSI offload path. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2011-02-24[SCSI] bnx2i: Added jumbo MTU support for the no shost caseEddie Wai1-1/+1
For scenarios where the shost is not being passed to bnx2i for the iSCSI offload connection request, the code would consult the routing table to select the CNIC device. This code path will erroneously error out if the corresponding L2 interface's MTU has been setup to > 1500. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21[SCSI] bnx2i: Updated copyright and maintainer infoEddie Wai1-1/+2
Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21[SCSI] bnx2i: Added return code check for chip kwqe submission requestEddie Wai1-4/+5
Added the handling for cases when a chip request is made to the CNIC module but the hardware is not ready to accept. This would lead to many unnecessary wait timeouts. This code adds check in the connect establishment and destruction path. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-12-21[SCSI] bnx2i: Removed the dynamic registration of CNICEddie Wai1-3/+0
The code no longer needs to dynamically register and unregister the CNIC device. The CNIC device will be kept registered until module unload. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-10-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6Linus Torvalds1-0/+2
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
2010-10-06bnx2x, cnic, bnx2i: use new FW/HSIDmitry Kravkov1-0/+2
This is the new FW HSI blob and the relevant definitions without logic changes. It also included code adaptation for new HSI. New features are not enabled. New FW/HSI includes: - Support for 57712 HW - Future support for VF (not used) - Improvements in FW interrupts scheme - FW FCoE hooks (stubs for future usage) Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-09-05[SCSI] bnx2i: Fixed a protocol violation on nopout responsesEddie Wai1-1/+1
According to RFC3720, nopout packet sent in response to unsolicited nopin packet requesting a response must retain the TTT of the requester. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27[SCSI] bnx2i: Fixed the TCP graceful termination initiationEddie Wai1-0/+2
In compliance to RFC793, a TCP graceful termination will be used instead of an abortive termination for the case where the remote has initiated the close of the connection. Additionally, a TCP abortive termination will be used to close the connection when a logout response is not received in time after a logout request has been initiated. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27[SCSI] bnx2i: Fine tuned conn destroy and context destroy timeout valuesEddie Wai1-0/+4
Added variables to separate the fine tuned timeout values for connection destroy and context destroy for both 1g and 10g devices. v2: Extended the 5771X disconnect timeout from 10s to 20s as the firmware has a retransmission timeout of 16s. This fixes one of the iscsi_endpoint leak issues when the target is slow or non-responsive to our TCP FIN. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27[SCSI] bnx2i: Optimized the bnx2i_stop connection clean up procedureEddie Wai1-0/+4
For cases where the iSCSI disconnection procedure times out due to the iSCSI daemon being slow or unresponsive, the bnx2i_stop routine will now perform hardware cleanup via bnx2i_hw_ep_disconnect on all active endpoints so that subsequent operations will perform properly. Also moved the mutex locks inside ep_connect and ep_disconnect so that proper exclusivity can resolve simultaneous calls to the ep_disconnect routine. v2: Removed the unnecessary read lock in the bnx2i_stop Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-07-27[SCSI] bnx2i: Created an active linklist which holds bnx2i endpointsEddie Wai1-0/+4
This introduces a new active linklist which would link up all active bnx2i_endpoints. This will be used by subsequent patches that follows. Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2010-04-11[SCSI] bnx2i: Bug fixes related to MTU change issue when there are active ↵Anil Veerabhadrappa1-0/+2
iscsi sessions bnx2i driver has to wait and cleanup all iscsi endpoints before returning from bnx2i_stop(). This is to make sure all chip resources are freed before chip is reset. As the requirements for 1G and 10G chipsets is different, added per-device 'hba_shutdown_tmo' parameter to adapter structure If the connections are not torn down by the daemon within this timeout period, 'cid's will be leaked in 10G device. 1G devices are more flexible and do not leak any resources because the whole chip ports gets reset when MTU is changed or ethtool selftest is run fixed a minor issue in bnx2i_ep_poll() which unnecessarily forced error return code when driver timed out waiting for TCP connect request to complete Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-12-10[SCSI] bnx2i: update CQ arming algorith for 5771x chipsetsAnil Veerabhadrappa1-0/+1
Only affects 5771x (10G chipsets) devices This is an optimized CQ arming algoritm which takes into account the number of outstanding tasks Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-12-04[SCSI] bnx2i: use common iscsi suspend queueMike Christie1-1/+0
This just has bnx2i use the iscsi_suspend_queue helper. The suspend works as follows: When ep_poll has succeeed iscsid will call conn_bind, the LLD will then call iscsi_conn_bind which will clear the suspend bit. When ep_disconnect is called (or if there is a conn error) we set the suspend bit. For the ep_disconnect case I added a helper in the previous kernel that will take the session lock to make sure iscsi_queuecommand/xmit_task is not running and it will set the suspend bit. Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-10-02[SCSI] bnx2i: Fix context mapping issue for architectures with PAGE_SIZE != 4096Anil Veerabhadrappa1-0/+2
5706/5708/5709 devices allow driver/user to set page size. By default it is set to 4096. Current drivers do not program this register based on architecture type (e.g. x86 = 4K, IA64 = 16K) and by choice lets device use the defaults. So while mapping connection context memory (doorebll registers), driver has to match page size used by the device. Included change fixes the issue we uncovered during IA64 testing Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
2009-06-09[SCSI] bnx2i: Add bnx2i iSCSI driver.Michael Chan1-0/+771
New iSCSI driver for Broadcom BNX2 devices. The driver interfaces with the CNIC driver to access the hardware. Signed-off-by: Anil Veerabhadrappa <anilgv@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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