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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1674 commits)
qlcnic: adding co maintainer
ixgbe: add support for active DA cables
ixgbe: dcb, do not tag tc_prio_control frames
ixgbe: fix ixgbe_tx_is_paused logic
ixgbe: always enable vlan strip/insert when DCB is enabled
ixgbe: remove some redundant code in setting FCoE FIP filter
ixgbe: fix wrong offset to fc_frame_header in ixgbe_fcoe_ddp
ixgbe: fix header len when unsplit packet overflows to data buffer
ipv6: Never schedule DAD timer on dead address
ipv6: Use POSTDAD state
ipv6: Use state_lock to protect ifa state
ipv6: Replace inet6_ifaddr->dead with state
cxgb4: notify upper drivers if the device is already up when they load
cxgb4: keep interrupts available when the ports are brought down
cxgb4: fix initial addition of MAC address
cnic: Return SPQ credit to bnx2x after ring setup and shutdown.
cnic: Convert cnic_local_flags to atomic ops.
can: Fix SJA1000 command register writes on SMP systems
bridge: fix build for CONFIG_SYSFS disabled
ARCNET: Limit com20020 PCI ID matches for SOHARD cards
...
Fix up various conflicts with pcmcia tree drivers/net/
{pcmcia/3c589_cs.c, wireless/orinoco/orinoco_cs.c and
wireless/orinoco/spectrum_cs.c} and feature removal
(Documentation/feature-removal-schedule.txt).
Also fix a non-content conflict due to pm_qos_requirement getting
renamed in the PM tree (now pm_qos_request) in net/mac80211/scan.c
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git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (44 commits)
vlynq: make whole Kconfig-menu dependant on architecture
add descriptive comment for TIF_MEMDIE task flag declaration.
EEPROM: max6875: Header file cleanup
EEPROM: 93cx6: Header file cleanup
EEPROM: Header file cleanup
agp: use NULL instead of 0 when pointer is needed
rtc-v3020: make bitfield unsigned
PCI: make bitfield unsigned
jbd2: use NULL instead of 0 when pointer is needed
cciss: fix shadows sparse warning
doc: inode uses a mutex instead of a semaphore.
uml: i386: Avoid redefinition of NR_syscalls
fix "seperate" typos in comments
cocbalt_lcdfb: correct sections
doc: Change urls for sparse
Powerpc: wii: Fix typo in comment
i2o: cleanup some exit paths
Documentation/: it's -> its where appropriate
UML: Fix compiler warning due to missing task_struct declaration
UML: add kernel.h include to signal.c
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'masked-atomics', 'misc', 'mthca' and 'nes' into for-next
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Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Using compile-time designated initializers for the handler arrays
instead of open-coding the initialization in iwch_cm_init() is (IMHO)
cleaner, and leads to substantially smaller code: on my x86-64 build,
bloat-o-meter shows:
add/remove: 0/1 grow/shrink: 4/3 up/down: 4/-1682 (-1678)
function old new delta
tx_ack 167 168 +1
state_set 55 56 +1
start_ep_timer 99 100 +1
pass_establish 177 178 +1
act_open_req_arp_failure 39 38 -1
sched 84 82 -2
iwch_cm_init 442 91 -351
work_handlers 1328 - -1328
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add support for masked atomic operations (masked compare and swap,
masked fetch and add).
Signed-off-by: Vladimir Sokolovsky <vlad@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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This allows the compiler to do a bit better; on my x86-64 build:
add/remove: 0/2 grow/shrink: 1/0 up/down: 2288/-2365 (-77)
function old new delta
nes_init_phy 273 2561 +2288
nes_init_1g_phy 469 - -469
nes_init_2025_phy 1896 - -1896
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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nes_{read,write}_1G_phy_reg() are using phy_lock while
nes_{read,write}_10G_phy_reg() leave that to the caller.
Remove phy_lock from 1G routines and leave the locking to the caller.
Add additional phy_lock calls around 1G read/write.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Add an RDMA/iWARP driver for Chelsio T4 Ethernet adapters.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The DMA API is preferred; no functional change.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The DMA API is preferred; no functional change.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The low level cxgb3 driver can return NET_XMIT_CN and friends.
The iw_cxgb3 driver should _not_ treat these as errors.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The DMA API is preferred; no functional change.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
drivers/net/stmmac/stmmac_main.c
drivers/net/wireless/wl12xx/wl1271_cmd.c
drivers/net/wireless/wl12xx/wl1271_main.c
drivers/net/wireless/wl12xx/wl1271_spi.c
net/core/ethtool.c
net/mac80211/scan.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:
IB/mlx4: Check correct variable for allocation failure
RDMA/nes: Correct cap.max_inline_data assignment in nes_query_qp()
RDMA/cm: Set num_paths when manually assigning path records
IB/cm: Fix device_create() return value check
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The intent here is to check the "mfrpl->mapped_page_list" allocation.
We checked "mfrpl->ibfrpl.page_list" earlier.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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cap.max_inline_data is incorrectly set in init_attr instead of attr.
Set it in attr so subsequent init_attr.cap assignment will get the
correct value.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Converts the list and the core manipulating with it to be the same as uc_list.
+uses two functions for adding/removing mc address (normal and "global"
variant) instead of a function parameter.
+removes dev_mcast.c completely.
+exposes netdev_hw_addr_list_* macros along with __hw_addr_* functions for
manipulation with lists on a sandbox (used in bonding and 80211 drivers)
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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[Ss]ytem => [Ss]ystem
udpate => update
paramters => parameters
orginal => original
Signed-off-by: Thomas Weber <swirl@gmx.li>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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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:
RDMA/nes: Fix CX4 link problem in back-to-back configuration
RDMA/nes: Clear stall bit before destroying NIC QP
RDMA/nes: Set assume_aligned_header bit
RDMA/cxgb3: Wait at least one schedule cycle during device removal
IB/mad: Ignore iWARP devices on device removal
IPoIB: Include return code in trace message for ib_post_send() failures
IPoIB: Fix TX queue lockup with mixed UD/CM traffic
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Commit 09124e19 ("RDMA/nes: Add support for KR device id 0x0110") took
out too much code and broke CX4 link detection in back-to-back
configuration. Put back the code that does the link check.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Clear the stall bit to drop any incoming packets while destroying NIC
QP. This will prevent a chip resource leak.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Set assume_aligned_header bit in QP context as requested by hardware group.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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During a hot-plug LLD removal event or an EEH error event, iw_cxgb3
must ensure that any/all threads that might be in a cxgb3 exported
function must return from the function before iw_cxgb3 returns from
its event processing. Do this by calling synchronize_net().
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Conflicts:
Documentation/filesystems/proc.txt
arch/arm/mach-u300/include/mach/debug-macro.S
drivers/net/qlge/qlge_ethtool.c
drivers/net/qlge/qlge_main.c
drivers/net/typhoon.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: (48 commits)
IB/srp: Clean up error path in srp_create_target_ib()
IB/srp: Split send and recieve CQs to reduce number of interrupts
RDMA/nes: Add support for KR device id 0x0110
IB/uverbs: Use anon_inodes instead of private infinibandeventfs
IB/core: Fix and clean up ib_ud_header_init()
RDMA/cxgb3: Mark RDMA device with CXIO_ERROR_FATAL when removing
RDMA/cxgb3: Don't allocate the SW queue for user mode CQs
RDMA/cxgb3: Increase the max CQ depth
RDMA/cxgb3: Doorbell overflow avoidance and recovery
IB/core: Pack struct ib_device a little tighter
IB/ucm: Clean whitespace errors
IB/ucm: Increase maximum devices supported
IB/ucm: Use stack variable 'base' in ib_ucm_add_one
IB/ucm: Use stack variable 'devnum' in ib_ucm_add_one
IB/umad: Clean whitespace
IB/umad: Increase maximum devices supported
IB/umad: Use stack variable 'base' in ib_umad_init_port
IB/umad: Use stack variable 'devnum' in ib_umad_init_port
IB/umad: Remove port_table[]
IB/umad: Convert *cdev to cdev in struct ib_umad_port
...
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Conflicts:
drivers/infiniband/core/uverbs_main.c
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Due to the loop complexicity in nes_nic.c, I'm using char* to copy mc addresses
to it.
Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add support for KR device id 0x0110. While at it, cleanup
nes_init_phy() by splitting it into nes_init_1g_phy() and
nes_init_2025_phy().
Remove support for NES_PHY_TYPE_IRIS, which was used on an XFP board
that was only manufactured in small quantities and given out for evals
in even smaller quantities.
Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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ib_ud_header_init() first clears header and then fills up the various
fields. Later on, it tests header->immediate_present, which it has
already cleared, so the condition is always false. Fix this by adding
an immediate_present parameter and setting header->immediate_present
as is done with grh_present. Also remove unused calculation of
header_len.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If cxgb3 calls the iw_cxgb3 t3cclient remove function due to a device
removal event, then the iwch device must be marked with CXIO_ERROR_FATAL
since the device below us is going away. Otherwise, we can get stuck in
a deadlock as RDMA ULPs try and deallocate objects (like MRs, QPs, etc).
So always mark the device with CXIO_ERROR_FATAL when removing.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Only kernel mode CQs need the SW queue memory allocated. The SW queue
for user mode CQs is allocated in userspace by libcxgb3.
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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T3 hardware doorbell FIFO overflows can cause application stalls due
to lost doorbell ring events. This has been seen when running large
NP IMB alltoall MPI jobs. The T3 hardware supports an xon/xoff-type
flow control mechanism to help avoid overflowing the HW doorbell FIFO.
This patch uses these interrupts to disable RDMA QP doorbell rings
when we near an overflow condition, and then turn them back on (and
ring all the active QP doorbells) when when the doorbell FIFO empties
out. In addition if an doorbell ring is dropped by the hardware, the
code will now recover.
Design:
cxgb3:
- enable these DB interrupts
- in the interrupt handler, schedule work tasks to call the ULPs event
handlers with the new events.
- ring all the qset txqs when an overflow is detected.
iw_cxgb3:
- disable db ringing on all active qps when we get the DB_FULL event
- enable db ringing on all active qps and ring all active dbs when we get
the DB_EMPTY event
- On DB_DROP event:
- disable db rings in the event handler
- delay-schedule a work task which rings and enables the dbs on
all active qps.
- in post_send and post_recv logic, don't ring the db if it's disabled.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Change the nes driver to return -ENOMEM on SQ/RQ overflow to match the
return code of other RDMA HW drivers (e.g cxgb3, ehca, mlx4, mthca).
Signed-off-by: Or Gerlitz <ogerlitz@voltaire.com>
Acked-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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There is a double disconnect during AE processing, causing crashes.
While fixing the crash, also simplify the AE handling code.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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When a listener is destroyed and there is an MPA response pending for
loopback connection, the active side cm_node gets destroyed twice:
once in cm_event_connect_error() and again in nes_accept()/nes_reject().
Increment the cm_node's refcount so it's not destroyed by
cm_event_connect_error().
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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After running long iterative MPI tests, sometimes ethtool reports a
"CM Destroy Listener" count more than the "CM Create Listener" count.
This inconsistency is fixed by making counter variables atomic.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If the caller does not pass a valid in_wc to process_mad(), return MAD
failure status, as it is not possible to generate a valid MAD redirect
response (and redirects are the only MAD responses ehca generates).
Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
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The max_dest_rd_atomic and max_qp_rd_atomic values are properly
returned by query_qp(), so there should not be an error returned when
they are queried.
Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The irq_spinlock is only taken in tasklet context, so it is safe not to
disable hardware interrupts.
Signed-off-by: Alexander Schmidt <alexs@linux.vnet.ibm.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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struct ib_qp already holds a pointer to the ib device. No need to dive to the
hw device object to retrieve it.
Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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