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2011-06-02sungem: Spring cleaning and GRO supportBenjamin Herrenschmidt2-541/+373
This patch simplifies the logic and locking in sungem significantly: - LLTX is gone, all private locks are gone, mutex is gone - We don't poll the PHY while the interface is down - The above allowed me to get rid of a pile of state flags using the proper interface state provided by the networking stack when needed and overall simplify the driver a lot - Allocate the bulk of RX skbs at init time using GFP_KERNEL - Fix a bug where the dev->features were set after register_netdev() - Added GRO while at it Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02bonding: allow all slave speedsJiri Pirko1-8/+1
No need to check for 10, 100, 1000, 10000 explicitly. Just make this generic and check for invalid values only (similar check is in ethtool userspace app). This enables correct speed handling for slave devices with "nonstandard" speeds. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Reviewed-by: Nicolas de Pesloüan <nicolas.2p.debian@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02net: 8021q: Add pr_fmtJoe Perches3-9/+14
Use the current logging style. Add #define pr_fmt and remove embedded prefix from formats. Not converting the current pr_<level> uses to netdev_<level> because all the output here is nicely prefaced with "8021q: ". Remove __func__ use from proc registration failure message. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02sctp: Add ASCONF operation on the single-homed hostMichio Honda6-7/+101
In this case, the SCTP association transmits an ASCONF packet including addition of the new IP address and deletion of the old address. This patch implements this functionality. In this case, the ASCONF chunk is added to the beginning of the queue, because the other chunks cannot be transmitted in this state. Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02sctp: Add socket option operation for Auto-ASCONF.Michio Honda2-0/+69
This patch allows the application to operate Auto-ASCONF on/off behavior via setsockopt() and getsockopt(). Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02sctp: Add sysctl support for Auto-ASCONF.Michio Honda1-0/+7
This patch allows the system administrator to change default Auto-ASCONF on/off behavior via an sysctl value. Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02sctp: Add Auto-ASCONF support (core).Michio Honda6-4/+223
SCTP reconfigure the IP addresses in the association by using ASCONF chunks as mentioned in RFC5061. For example, we can start to use the newly configured IP address in the existing association. This patch implements automatic ASCONF operation in the SCTP stack with address events in the host computer, which is called auto_asconf. Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02sctp: Allow regular C expression in 4th argument for SCTP_DEBUG_PRINTK_IPADDR macro.YOSHIFUJI Hideaki1-4/+5
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-02sctp: Add ADD/DEL ASCONF handling at the receiver.Michio Honda1-1/+1
This patch fixes the problem that the original code cannot delete the remote address where the corresponding transport is currently directed, even when the ASCONF is sent from the other address (this situation happens when the single-homed sender transmits ASCONF with ADD and DEL.) Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp> Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Acked-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01caif: Add CAIF HSI Link layer driverDmitry.Tarnyagin4-0/+1377
This patch introduces the CAIF HSI Protocol Driver for the CAIF Link Layer. This driver implements a platform driver to accommodate for a platform specific HSI devices. A general platform driver is not possible as there are no HSI side Kernel API defined. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Improve cl45 access methodsYaniv Rosner1-71/+65
Instead of setting CL45 mode for every CL45 access, apply it once during initialization. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Modify XGXS functionsYaniv Rosner2-53/+37
Modify XGXS functions to follow rest of PHY scheme. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Fix link status syncYaniv Rosner1-5/+24
Fix link status synchronization between the primary function, and rest functions. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Adjust BCM8726 module detection settingsYaniv Rosner5-29/+85
Move BCM8726 module detection code into a separate function to be called only once during initialization. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Fix grammar and relocate codeYaniv Rosner2-266/+276
This patch relocates some functions as a preparation for next patches, and also fixes some grammar mistakes. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Fix BCM84833 settingsYaniv Rosner2-58/+171
Fix BCM84833 register settings. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Fix over current port displayYaniv Rosner1-6/+7
On 57712 chip, port number is enumerated per engine, so it requires adjustment in port display to the user. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Add TX fault check for fiber PHYsYaniv Rosner3-4/+72
In case TX fault is detected on Fiber PHYs, declare the link as down until TX fault is gone. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Change return status typeYaniv Rosner2-184/+192
Change return status from u8 to int. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Fix port type displayYaniv Rosner8-58/+162
Display the current media type connected to the port in ethtool. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-06-01bnx2x: Add new phy BCM8722Yaniv Rosner2-25/+62
Add support for new phy BCM8722. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-31be2net: Fallback to the older opcode if MCC_CREATE_EXT opcode is not supported on the cardSomnath Kotur3-2/+76
Instead of failing the init/probe code in the driver fallback to the older opcode to ensure the driver is loaded thereby enabling users to upgrade the f/w to whatever version is required. Signed-off-by: Somnath Kotur <somnath.kotur@emulex.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-31Revert "net: fix section mismatches"David S. Miller10-72/+68
This reverts commit e5cb966c0838e4da43a3b0751bdcac7fe719f7b4. It causes new build regressions with gcc-4.2 which is pretty common on non-x86 platforms. Reported-by: James Bottomley <James.Bottomley@HansenPartnership.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-31drivers/net/usb/catc.c: Fix potential deadlock in catc_ctrl_run()Alexey Khoroshilov1-1/+1
catc_ctrl_run() calls usb_submit_urb() with GFP_KERNEL, while it is called from catc_ctrl_async() and catc_ctrl_done() with catc->ctrl_lock spinlock held. The patch replaces GFP_KERNEL with GFP_ATOMIC. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-31sctp: stop pending timers and purge queues when peer restart asocWei Yongjun5-12/+31
If the peer restart the asoc, we should not only fail any unsent/unacked data, but also stop the T3-rtx, SACK, T4-rto timers, and teardown ASCONF queues. Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-05-31drivers/net: ks8842 Fix crash on received packet when in PIO mode.Dennis Aberilla1-1/+1
This patch fixes a driver crash during packet reception due to not enough bytes allocated in the skb. Since the loop reads out 4 bytes at a time, we need to allow for up to 3 bytes of slack space. Signed-off-by: Dennis Aberilla <denzzzhome@yahoo.com> Signed-off-by: David S. Miller <davem@zippy.davemloft.net>
2011-05-31ip_options_compile: properly handle unaligned pointerChris Metcalf1-7/+8
The current code takes an unaligned pointer and does htonl() on it to make it big-endian, then does a memcpy(). The problem is that the compiler decides that since the pointer is to a __be32, it is legal to optimize the copy into a processor word store. However, on an architecture that does not handled unaligned writes in kernel space, this produces an unaligned exception fault. The solution is to track the pointer as a "char *" (which removes a bunch of unpleasant casts in any case), and then just use put_unaligned_be32() to write the value to memory. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: David S. Miller <davem@zippy.davemloft.net>
2011-05-31[IA64] wire up sendmmsg() syscall for ItaniumTony Luck2-1/+3
Add entries in unistd.h and entry.S to make this new syscall visible. Signed-off-by: Tony Luck <tony.luck@intel.com>
2011-05-31powerpc/pmac: Don't register pmac PIC syscore ops when HW not presentBenjamin Herrenschmidt1-1/+2
The Apple custom PIC only exist in some earlier machine models, anything with an MPIC will crash on suspend if we register those syscore ops unconditionally. This is a regression caused by commit f5a592f7d74e ("PM / PowerPC: Use struct syscore_ops instead of sysdevs for PM") Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-05-31rcu: Cure load woesPeter Zijlstra2-9/+56
Commit cc3ce5176d83 (rcu: Start RCU kthreads in TASK_INTERRUPTIBLE state) fudges a sleeping task' state, resulting in the scheduler seeing a TASK_UNINTERRUPTIBLE task going to sleep, but a TASK_INTERRUPTIBLE task waking up. The result is unbalanced load calculation. The problem that patch tried to address is that the RCU threads could stay in UNINTERRUPTIBLE state for quite a while and triggering the hung task detector due to on-demand wake-ups. Cure the problem differently by always giving the tasks at least one wake-up once the CPU is fully up and running, this will kick them out of the initial UNINTERRUPTIBLE state and into the regular INTERRUPTIBLE wait state. [ The alternative would be teaching kthread_create() to start threads as INTERRUPTIBLE but that needs a tad more thought. ] Reported-by: Damien Wyart <damien.wyart@free.fr> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Paul E. McKenney <paul.mckenney@linaro.org> Link: http://lkml.kernel.org/r/1306755291.1200.2872.camel@twins Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-30x86: Fix mwait_play_dead() faulting on mwait-incapable cpusAvi Kivity1-1/+1
A logic error in mwait_play_dead() causes the kernel to use mwait even on cpus which don't support it, such as KVM virtual cpus. Introduced by: 349c004e3d31: x86: A fast way to check capabilities of the current cpu Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=36222 Reported-by: Török Edwin <edwintorok@gmail.com> Signed-off-by: Avi Kivity <avi@redhat.com> Cc: Christoph Lameter <cl@linux.com> Cc: Tejun Heo <tj@kernel.org> Link: http://lkml.kernel.org/r/1306758237-9327-1-git-send-email-avi@redhat.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-30x86 idle: Fix mwait deprecation warning messageBorislav Petkov1-1/+1
Fix: arch/x86/kernel/process.c:645:1: warning: unknown escape sequence '\i' due to missing escape backslash, introduced by this commit: 5d4c47e0195b: x86 idle: deprecate mwait_idle() and "idle=mwait" cmdline param Signed-off-by: Borislav Petkov <bp@alien8.de> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1306748286-24701-1-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-05-30autofs4: bogus dentry_unhash() added in ->unlink()Al Viro1-2/+0
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-30vfs: shrink_dcache_parent before rmdir, dir renameSage Weil1-0/+3
The dentry_unhash push-down series missed that shink_dcache_parent needs to be called prior to rmdir or dir rename to clear DCACHE_REFERENCED and allow efficient dentry reclaim. Reported-by: Dave Chinner <david@fromorbit.com> Signed-off-by: Sage Weil <sage@newdream.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-05-30batman-adv: Ensure that we really have route changes in update_routeSven Eckelmann1-1/+1
The debug output of update_route has tests for "route deleted" and "route added". All other situations are handled as "route changed". This is not true because neigh_node and curr_router could be both NULL. The function is not called in this situation, but the code might be interpreted wrong when reading it without this test. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: a multiline comment should precede the variable it is describingAntonio Quartulli1-4/+4
This comment has been wrongly put after the variable it refers to and was also bad indented Signed-off-by: Antonio Quartulli <ordex@autistici.org> Acked-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: use is_broadcast_ether_addr() instead of compare_eth(.., brd_addr)Antonio Quartulli1-1/+1
Instead of comparing mac addresses with the broadcast address by means of compare_eth(), the is_broadcast_ether_addr() kernel function has to be used. Signed-off-by: Antonio Quartulli <ordex@autistici.org> Acked-by: Sven Eckelmann <sven@narfation.org> Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Check type of x and y in seq_(before|after)Sven Eckelmann1-2/+5
seq_before and seq_after depend on the fact that both sequence numbers have the same type and thus the same bitwidth. We can ensure that by compile time checking using a compare between the pointer to the temporary buffers which were created using the typeof of both parameters. For example gcc would create a warning like "warning: comparison of distinct pointer types lacks a cast". Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: move smallest_signed_int(), seq_before() and seq_after() into main.hAntonio Quartulli2-16/+16
smallest_signed_int(), seq_before() and seq_after() are very useful functions that help to handle comparisons between sequence numbers. However they were only defined in vis.c. With this patch every batman-adv function will be able to use them. Signed-off-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Use rcu_dereference_protected by update-sideSven Eckelmann3-3/+4
Usually rcu_dereference isn't necessary in situations were the RCU-protected data structure cannot change, but sparse and lockdep still need a similar functionality for analysis. rcu_dereference_protected implements the reduced version which should be used to support the dynamic and static analysis. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Calculate sizeof using variable insead of typesSven Eckelmann14-72/+65
Documentation/CodingStyle recommends to use the form p = kmalloc(sizeof(*p), ...); to calculate the size of a struct and not the version where the struct name is spelled out to prevent bugs when the type of p changes. This also seems appropriate for manipulation of buffers when they are directly associated with p. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Remove casts from type x to type xSven Eckelmann2-2/+2
Casting from pointer like 'struct orig_node*' to 'struct orig_node *' doesn't provide any additional functionality and can be savely removed. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Remove explicit casts cast from void* for storeSven Eckelmann3-3/+3
It is not necessary to cast a void* to the pointer type when we just store it and don't want to do pointer arithmetic before the actual assignment. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Only use int up and down gw representationSven Eckelmann1-9/+10
It is not save to provide memory for an int and then cast the pointer to it to long*. It is better to standardize the up and down gateway bandwith representation to simple ints and only use long inside conversation routines. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Add const type qualifier for pointersSven Eckelmann27-157/+166
batman-adv uses pointers which are marked as const and should not violate that type qualifier by passing it to functions which force a cast to the non-const version. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Don't do pointer arithmetic with void*Sven Eckelmann1-2/+2
The size of void is currently set by gcc to 1, but is not well defined in general. Therefore it is more advisable to cast it to char* before doing pointer arithmetic. Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Remove comparising < 0 for unsigned typeSven Eckelmann1-1/+1
Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Print jiffies as unsigned longSven Eckelmann1-1/+1
Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Annotate functions with format stringsSven Eckelmann2-1/+3
Signed-off-by: Sven Eckelmann <sven@narfation.org>
2011-05-30batman-adv: Use kzalloc rather than kmalloc followed by memset with 0Sven Eckelmann1-2/+1
Signed-off-by: Sven Eckelmann <sven@narfation.org>
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