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The generic packet receive code takes care of setting
netdev->last_rx when necessary, for the sake of the
bonding ARP monitor.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Neil Horman <nhorman@txudriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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No need to put ethtool_ops in data, they should be const.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add __init and __exit annotations to the module_init/module_exit
functions from drivers/infiniband/core/addr.c and cma.c.
Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Acked-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Increment version number for DMEM toleration.
Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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dma_sync_single() is deprecated now, and the use in mthca is wrong:
there should be a dma_sync_single_for_cpu() before touching the memory
from the CPU, and a dma_sync_single_for_device() afterwards. Fix
this, prompted by a kick in the pants from a patch from FUJITA
Tomonori <fujita.tomonori@lab.ntt.co.jp>.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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During cluster testing, one QP was not closed, as FIN is not handled
properly when its rexmit count expires or in some cases when RST is is
received after sending FIN. The reason is that the cm_id does not get
decremented under these conditions.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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In nes_query_device(), max_qp_init_rd_atom is incorrectly set to
max_qp_wr. This was found when a test application had a dapl async
event error.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This prevents the memcpy() of a guid_entries element using a negative index.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Implement toleration of dynamic memory operations and 16 GB gigantic
pages, where "toleration" means that the driver can cope with dynamic
memory operations that happen before the driver is loaded. While the
ehca driver is loaded, dynamic memory operations are still prohibited
by returning NOTIFY_BAD from the memory notifier.
On module load the driver walks through available system memory,
checks for available memory ranges and then registers the kernel
internal memory region accordingly. The translation of address ranges
is implemented via a 3-level busmap.
Signed-off-by: Hannes Hering <hering2@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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In the near future, the driver core is going to not allow direct access
to the driver_data pointer in struct device. Instead, the functions
dev_get_drvdata() and dev_set_drvdata() should be used. These functions
have been around since the beginning, so are backwards compatible with
all older kernel versions.
Cc: Sean Hefty <sean.hefty@intel.com>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: general@lists.openfabrics.org
Cc: Christoph Raisch <raisch@de.ibm.com>
Acked-by: Hoang-Nam Nguyen <hnguyen@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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In the near future, the driver core is going to not allow direct access
to the driver_data pointer in struct device. Instead, the functions
dev_get_drvdata() and dev_set_drvdata() should be used. These functions
have been around since the beginning, so are backwards compatible with
all older kernel versions.
Cc: general@lists.openfabrics.org
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Hal Rosenstock <hal.rosenstock@gmail.com>
Cc: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/feature-removal-schedule.txt
drivers/scsi/fcoe/fcoe.c
net/core/drop_monitor.c
net/core/net-traces.c
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Don't double-free IRQs when falling back from MSI-X to INTx
IB/mthca: Don't double-free IRQs when falling back from MSI-X to INTx
IB/mlx4: Add strong ordering to local inval and fast reg work requests
IB/ehca: Remove superfluous bitmasks from QP control block
RDMA/cxgb3: Limit fast register size based on T3 limitations
RDMA/cxgb3: Report correct port state and MTU
mlx4_core: Add module parameter for number of MTTs per segment
IB/mthca: Add module parameter for number of MTTs per segment
RDMA/nes: Fix off-by-one bugs in reset_adapter_ne020() and init_serdes()
infiniband: Remove void casts
IB/ehca: Increment version number
IB/ehca: Remove unnecessary memory operations for userspace queue pairs
IB/ehca: Fall back to vmalloc() for big allocations
IB/ehca: Replace vmalloc() with kmalloc() for queue allocation
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When both MSI-X and legacy INTx fail to generate an interrupt, the
driver frees the MSI-X interrupts twice. Fix this by clearing the
have_irq flag for the MSI-X interrupts when they are freed the first
time.
Reported-by: Yinghai Lu <yhlu.kernel@gmail.com>
Tested-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The ConnectX Programmer's Reference Manual states that the "SO" bit
must be set when posting Fast Register and Local Invalidate send work
requests. When this bit is set, the work request will be executed
only after all previous work requests on the send queue have been
executed. (If the bit is not set, Fast Register and Local Invalidate
WQEs may begin execution too early, which violates the defined
semantics for these operations)
This fixes the issue with NFS/RDMA reported in
<http://lists.openfabrics.org/pipermail/general/2009-April/059253.html>
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Cc: <stable@kernel.org>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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All the fields in the control block are nicely right-aligned, so no
masking is necessary.
Signed-off-by: Joachim Fenkes <fenkes@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Define three accessors to get/set dst attached to a skb
struct dst_entry *skb_dst(const struct sk_buff *skb)
void skb_dst_set(struct sk_buff *skb, struct dst_entry *dst)
void skb_dst_drop(struct sk_buff *skb)
This one should replace occurrences of :
dst_release(skb->dst)
skb->dst = NULL;
Delete skb->dst field
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Last two drivers that need skb->dst in their start_xmit() function
Tell dev_hard_start_xmit() to no release it by unsetting IFF_XMIT_DST_RELEASE
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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T3 firmware only supports one WRs worth of page list for fast register
work requests. The driver currently allows 2 WRs worth, which
doesn't work for T3, so reduce the limit in the driver.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The current MTT allocator uses kmalloc() to allocate a buffer for its
buddy allocator, and thus is limited in the amount of MTT segments
that it can control. As a result, the size of memory that can be
registered is limited too. This patch uses a module parameter to
control the number of MTT entries that each segment represents,
allowing more memory to be registered with the same number of
segments.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If a task did not complete normally due to a TMF, libiscsi will
now complete the task with the state ISCSI_TASK_ABRT_TMF. Drivers
like bnx2i that need to free resources if a command did not complete normally
can then check the task state. If a driver does not need to send
a special command if we have dropped the session then they can check
for ISCSI_TASK_ABRT_SESS_RECOV.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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When we create the tcp/ip connection by calling ep_connect, we currently
just go by the routing table info.
I think there are two problems with this.
1. Some drivers do not have access to a routing table. Some drivers like
qla4xxx do not even know about other ports.
2. If you have two initiator ports on the same subnet, the user may have
set things up so that session1 was supposed to be run through port1. and
session2 was supposed to be run through port2. It looks like we could
end with both sessions going through one of the ports.
Fixes for cxgb3i from Karen Xie.
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Network device sysfs files that grab the rtnl_lock unconditionally
will deadlock if accessed when the network device is being
unregistered. So use trylock and syscall_restart to avoid this
deadlock.
Signed-off-by: Eric W. Biederman <ebiederm@aristanetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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With a postfix increment, i is incremented one past 10K/5K before the
loop ends, so the error messages will be displayed too soon if the
test succeeds on the last iteration. Fix the comparisons to be >
instead of >=.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Remove uneeded casts of void *.
Signed-off-by: Jack Stone <jwjstone@fastmail.fm>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The queue map for flush completion circumvention is only used for
kernel space queue pairs. This patch skips the allocation of the
queue maps in case the QP is created for userspace. In addition, this
patch does not iomap the galpas for kernel usage if the queue pair is
only used in userspace. These changes will improve the performance of
creation of userspace queue pairs.
Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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In case of large queue pairs there is the possibillity of allocation
failures due to memory fragmentation when using kmalloc(). To ensure
the memory is allocated even if kmalloc() can not find chunks which
are big enough, we fall back to allocating the memory with vmalloc().
Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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To improve performance of driver resource allocation, replace
vmalloc() calls with kmalloc().
Signed-off-by: Stefan Roscher <stefan.roscher@de.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
IB/mlx4: Don't overwrite fast registration page list when posting work request
RDMA/cxgb3: Don't complete flushed send work requests twice
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forgot to unlock superblock before calling deactivate_super()...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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The low-level mlx4 driver modified the page-list addresses for fast
register work requests post send to big-endian, and set a "present"
bit. This caused problems later when the consumer attempted to unmap
the pages using the page-list (using the list addresses which were
assumed to be still in CPU-endian order). Fix the mlx4 driver to
allocate two buffers and use a private buffer for the hardware-format
bus addresses.
This patch fixes <https://bugs.openfabrics.org/show_bug.cgi?id=1571>,
an NFS/RDMA server crash. The cause of the crash was found by Vu Pham
of Mellanox. The fix is along the lines suggested by Steve Wise in
comment #21 in bug 1571.
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (53 commits)
[SCSI] libosd: OSD2r05: on-the-wire changes for latest OSD2 revision 5.
[SCSI] libosd: OSD2r05: OSD_CRYPTO_KEYID_SIZE will grow 20 => 32 bytes
[SCSI] libosd: OSD2r05: Prepare for rev5 attribute list changes
[SCSI] libosd: fix potential ERR_PTR dereference in osd_initiator.c
[SCSI] mpt2sas : bump driver version to 01.100.02.00
[SCSI] mpt2sas: fix hotplug event processing
[SCSI] mpt2sas : release diagnotic buffers prior host reset
[SCSI] mpt2sas : Broadcast Primative AEN bug fix
[SCSI] mpt2sas : Identify Dell series-7 adapters at driver load time
[SCSI] mpt2sas : driver name needs to be in the MPT2IOCINFO ioctl
[SCSI] mpt2sas : running out of message frames
[SCSI] mpt2sas : fix oops when firmware sends large sense buffer size
[SCSI] mpt2sas : the sanity check in base_interrupt needs to be on dword boundary
[SCSI] mpt2sas : unique ioctl magic number
[SCSI] fix sign extension with 1.5TB usb-storage LBD=y
[SCSI] ipr: Fix sleeping function called with interrupts disabled
[SCSI] fcoe: fip: add multicast filter to receive FIP advertisements.
[SCSI] libfc: Fix compilation warnings with allmodconfig
[SCSI] fcoe: fix spelling typos and bad comments
[SCSI] fcoe: don't export functions that are internal to fcoe
...
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When the SQ is flushed, mark the flushed entries as not signaled so
the poll logic doesn't re-insert the CQ entry thinking its an out of
order completion.
The bug can cause the NFS/RDMA server to crash due to processing the
same completed work request twice.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Update version number to 1.5.0.0
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If reg_phys_mem() fails, we need to free memory allocated for MPA
frame with private data before returning the error. Also move
nes_add_ref() after the reg_phys_mem() is successful.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Running large cluster setup, we are hanging after many hours of
testing. Fixing this required going over the code and making sure the
rexmit entry was properly removed based on the cm_node's state and
packet received. Also when receiving a FIN packet, check seq# and
make sure there were no errors before calling handle_fin().
Following are the changes done in nes_cm.c:
* handle_ack_pkt() needs to return error value, so in case of error,
handle_fin() is not called. Some cleanup done while going over the code.
* handle_rst_pkt(), handling of cm_node's NES_CM_STATE_LAST_ACK is missing.
* process_packet(), in case of FIN only packet is received, call
check_seq() before processing.
* in handle_fin_pkt(), we are calling cleanup_retrans_entry() for all
conditions, even if the packets need to be dropped.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Under heavy load with large cluster testing, it may take longer to
receive a response to MPA requests. Change the driver to wait longer
after each rexmit to max time value.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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check_seq() was not checking if the seq#s have wrapped. Fix it.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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When a connect request comes, apbvt should only be set for
non-loopback connections.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Remove the NES_DEBUG that is causing the compile warning about an
unused variable when INFINIBAND_NES_DEBUG is not enabled.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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/sys/class/infiniband/nes?/fw_ver is not displaying firmware version
properly (it shows 0.0.0 with the current code). Fill in the correct
firmware version number.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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With updated PHY firmware for SFP_D, setting the trace length to 1
inch for SFP_D provides a more stable link.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Enable repause timer for port 1. Without this setting, under stress,
the chip may misbehave.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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In commit 1b949324 ("RDMA/nes: Fix SFP+ PHY initialization") there is
a mistake in the clean up code that removed port 1 CDR loop filter
settings for 10G cards other than CX4. Put the correct setting back
for appropriate PHY types.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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