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2010-01-15vhost_net: a kernel-level virtio serverMichael S. Tsirkin
What it is: vhost net is a character device that can be used to reduce the number of system calls involved in virtio networking. Existing virtio net code is used in the guest without modification. There's similarity with vringfd, with some differences and reduced scope - uses eventfd for signalling - structures can be moved around in memory at any time (good for migration, bug work-arounds in userspace) - write logging is supported (good for migration) - support memory table and not just an offset (needed for kvm) common virtio related code has been put in a separate file vhost.c and can be made into a separate module if/when more backends appear. I used Rusty's lguest.c as the source for developing this part : this supplied me with witty comments I wouldn't be able to write myself. What it is not: vhost net is not a bus, and not a generic new system call. No assumptions are made on how guest performs hypercalls. Userspace hypervisors are supported as well as kvm. How it works: Basically, we connect virtio frontend (configured by userspace) to a backend. The backend could be a network device, or a tap device. Backend is also configured by userspace, including vlan/mac etc. Status: This works for me, and I haven't see any crashes. Compared to userspace, people reported improved latency (as I save up to 4 system calls per packet), as well as better bandwidth and CPU utilization. Features that I plan to look at in the future: - mergeable buffers - zero copy - scalability tuning: figure out the best threading model to use Note on RCU usage (this is also documented in vhost.h, near private_pointer which is the value protected by this variant of RCU): what is happening is that the rcu_dereference() is being used in a workqueue item. The role of rcu_read_lock() is taken on by the start of execution of the workqueue item, of rcu_read_unlock() by the end of execution of the workqueue item, and of synchronize_rcu() by flush_workqueue()/flush_work(). In the future we might need to apply some gcc attribute or sparse annotation to the function passed to INIT_WORK(). Paul's ack below is for this RCU usage. (Includes fixes by Alan Cox <alan@linux.intel.com>, David L Stevens <dlstevens@us.ibm.com>, Chris Wright <chrisw@redhat.com>) Acked-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15mm: export use_mm/unuse_mm to modulesMichael S. Tsirkin
vhost net module wants to do copy to/from user from a kernel thread, which needs use_mm. Export it to modules. Acked-by: Andrea Arcangeli <aarcange@redhat.com> Acked-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15tun: export underlying socketMichael S. Tsirkin
Tun device looks similar to a packet socket in that both pass complete frames from/to userspace. This patch fills in enough fields in the socket underlying tun driver to support sendmsg/recvmsg operations, and message flags MSG_TRUNC and MSG_DONTWAIT, and exports access to this socket to modules. Regular read/write behaviour is unchanged. This way, code using raw sockets to inject packets into a physical device, can support injecting packets into host network stack almost without modification. First user of this interface will be vhost virtualization accelerator. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15can: Proper ctrlmode handling for CAN devicesChristian Pellegrin
This patch adds error checking of ctrlmode values for CAN devices. As an example all availabe bits are implemented in the mcp251x driver. Signed-off-by: Christian Pellegrin <chripell@fsfe.org> Acked-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15netxen: fix sparse warningAmit Kumar Salecha
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15netxen: fix license headerAmit Kumar Salecha
GNU General Public License is in file "COPYING". Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15netxen: fix endianness intr coalesceAmit Kumar Salecha
Before sending Interrupt coalesce parameters to device, convert them in little endian. Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15netxen: fix endianness read mac addressAmit Kumar Salecha
In netxen_read_mac_addr, mac_addr should be declared u64 instead of __le64, used by host only. Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15ipv4: Use less conflicting local var name in change_nexthops() loop macro.David S. Miller
As noticed by H Hartley Sweeten, since change_nexthops() uses 'nh' as it's iterator variable, it can conflict with other existing local vars. Use "nexthop_nh" to avoid the conflict and make it easier to figure out where this magic variable comes from. Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15net/core/sock.c: quiet sparse noiseH Hartley Sweeten
In sock_getsockopt the symbol 'lv' is declared as an unsigned int type, probably due to sizeof returning a size_t which is really an unsigned int. This produces a sparse warning for SO_PEERNAME due to the sock->ops->getname() call: warning: incorrect type in argument 3 (different signedness) expected int *sockaddr_len got unsigned int *<noident> Quiet the warning by changing the type of 'lv' to an int. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-14proc_fops: convert drivers/isdn/ to seq_fileAlexey Dobriyan
Convert code away from ->read_proc/->write_proc interfaces. Switch to proc_create()/proc_create_data() which make addition of proc entries reliable wrt NULL ->proc_fops, NULL ->data and so on. Problem with ->read_proc et al is described here commit 786d7e1612f0b0adb6046f19b906609e4fe8b1ba "Fix rmmod/read/write races in /proc entries" [akpm@linux-foundation.org: CONFIG_PROC_FS=n build fix] Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Karsten Keil <keil@b1-systems.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13netpoll: allow execution of multiple rx_hooks per interfaceDaniel Borkmann
Signed-off-by: Daniel Borkmann <danborkmann@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13genetlink: optimize ctrl_dumpfamily()Samir Bellabes
there is a unnecessary test which can be replaced by a good initialization in the 'for' statement Noticed by Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: Samir Bellabes <sam@synack.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13drivers/net/tlan: Remove TRUE/FALSE defines, use boolJoe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13qeth: default BLKT values for new OSA/3 hardwareEinar Lueck
Set default BLKT values for new OSA/3 hardware. Signed-off-by: Einar Lueck <elelueck@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13qeth: avoid recovery during device online settingUrsula Braun
If a qeth device is set online, several initialisation steps are performed. If a failure in one of these steps occurs, the qeth device is reset into DOWN state. If due to the failure a qeth recovery is scheduled and started in another thread, this might cause all kinds of conflicts, even a kernel panic. The patch forbids scheduling of a qeth recovery while online processing is performed till the card is in state SOFTSETUP. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13qeth: HiperSockets Network Traffic AnalyzerUrsula Braun
New feature to trace HiperSockets network traffic for debugging purposes. Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com> Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13e1000e: genericize the update multicast address listBruce Allan
Make updating the multicast address list generic for all families and enforce the requirement to update the entire multicast table array all at once instead of piecemeal which causes problems on some parts. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13e1000e: provide MAC-family-specific function to set LAN IDBruce Allan
Provide MAC-specific function pointer to determine the LAN ID (PCI func). The LAN ID is used internally by the driver to determine which h/w lock to use to protect accessing the PHY on ESB2 as well as help to determine the alternate MAC address on some parts. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13e1000e: use alternate MAC address on ESB2 if availableBruce Allan
Similar to 82571/2/3 parts that already do this, if ESB2/80003es2lan parts have an alternate MAC address provided in the EEPROM use it instead of the default MAC address. This patch makes the the actual code that does this generic so that it can be better used by both MAC families. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13lib/vsprintf.c: Add IPV4 options %pI4[hnbl] for host, network, big and ↵Joe Perches
little endian This should allow the removal of the #defines and uses of NIPQUAD and NIPQUAD_FMT Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-12can: Unify droping of invalid tx skbs and netdev statsOliver Hartkopp
To prevent the CAN drivers to operate on invalid socketbuffers the skbs are now checked and silently dropped at the xmit-function consistently. Also the netdev stats are consistently using the CAN data length code (dlc) for [rx|tx]_bytes now. Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net> Acked-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-11tcp: Generalized TTL Security MechanismStephen Hemminger
This patch adds the kernel portions needed to implement RFC 5082 Generalized TTL Security Mechanism (GTSM). It is a lightweight security measure against forged packets causing DoS attacks (for BGP). This is already implemented the same way in BSD kernels. For the necessary Quagga patch http://www.gossamer-threads.com/lists/quagga/dev/17389 Description from Cisco http://www.cisco.com/en/US/docs/ios/12_3t/12_3t7/feature/guide/gt_btsh.html It does add one byte to each socket structure, but I did a little rearrangement to reuse a hole (on 64 bit), but it does grow the structure on 32 bit This should be documented on ip(4) man page and the Glibc in.h file also needs update. IPV6_MINHOPLIMIT should also be added (although BSD doesn't support that). Only TCP is supported, but could also be added to UDP, DCCP, SCTP if desired. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-11lib: Kill bit-reversed FDDI MAC output case, it's bogus.Joe Perches
Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/benet/be_cmds.h include/linux/sysctl.h
2010-01-10vxge: use pci_dma_mapping_error to test return valueDenis Kirjanov
pci_dma_mapping_error should be used to test return value of pci_map_single or pci_map_page. Signed-off-by: Denis Kirjanov <kirjanov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Fix ethtool diag test for VT mode operationGreg Rose
Skip MAC loopback test when the adapter is set to a VT mode such as SR-IOV or VMDq Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Add SR-IOV features to main moduleGreg Rose
Adds SR-IOV features supported by the 82599 controller to the main driver module. If the CONFIG_PCI_IOV kernel option is selected then the SR-IOV features are enabled. Use the max_vfs module option to allocate up to 63 virtual functions per physical port. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Add SR-IOV feature enablement codeGreg Rose
Adds code to the core 82599 module to support SR-IOV features of the 82599 network controller Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Add SR-IOV specific modules to driver MakefileGreg Rose
Add the mailbox and SR-IOV feature modules to the ixgbe driver Makefile. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Add SR-IOV specific featuresGreg Rose
This module and header file add functions to support SR-IOV features of the 82599 10Gbe controller. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Add SR-IOV register, structure and bit definesGreg Rose
This patch adds register definitions, bit definitions and structures used by the driver to support SR-IOV features of the 82599 controller. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbe: Mailbox header and code moduleGreg Rose
The 82599 virtual function device and the master 82599 physical function device implement a mailbox utility for communication between the devices using some SRAM scratch memory and a doorbell/answering mechanism enabled via interrupt and/or polling. This C module and accompanying header file implement the base functions for use of this feature. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbevf: Kconfig, Makefile and DocumentationGreg Rose
Modifications for the Kconfig and network device Makefile to add the ixgbevf driver module to the kernel plus basic driver documentation. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbevf: Driver MakefileGreg Rose
82599 Virtual Function Device Driver Makefile Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbevf: Driver main and ethool interface module and main headerGreg Rose
These modules and header contain the Linux OS network interface code and core interrupt and network send/receive handlers. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbevf: Mailbox communicationGreg Rose
The 82599 virtual function device and the master 82599 physical function device implement a mailbox utility for communication between the devices using some SRAM scratch memory and a doorbell/answering mechanism enabled via interrupt and/or polling. This C module and accompanying header file implement the base functions for use of this feature. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbevf: 82599 Virtual Function core functions and headerGreg Rose
This module and header file contain the core functions for the 82599 virtual function device. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10ixgbevf: Macros, data structures, useful defines and registersGreg Rose
These two headers define the commonly used macros, data structures, register bits and register offsets used by the ixgbevf driver on the 82599 virtual function device Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10NET: irda, remove unnecessary checksJiri Slaby
Stanse found a potential null dereference in ircomm_tty_close and ircomm_tty_hangup. There is a check for tty being NULL, but it is dereferenced earlier. But it is bogus, the tty cannot be NULL, so remove the !tty checks. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: Samuel Ortiz <samuel@sortiz.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alan Cox <alan@linux.intel.com> Cc: Greg Kroah-Hartman <gregkh@suse.de> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-10NET: ipv6, remove unnecessary checkJiri Slaby
Stanse found a potential null dereference in snmp6_unregister_dev. There is a check for idev being NULL, but it is dereferenced earlier. But idev cannot be NULL when passed to snmp6_unregister_dev, so remove the test. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: "Pekka Savola (ipv6)" <pekkas@netcore.fi> Cc: James Morris <jmorris@namei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Patrick McHardy <kaber@trash.net> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-09mac8390: Fix build breakageGeert Uytterhoeven
commit 18c0019102228875cb0f6f252dad5148491e96b2 ("drivers/net/mac8390.c: Convert printk(KERN_<level> to pr_<level>(") broke the build: | drivers/net/mac8390.c:306: error: expected ')' before 'version' as "version" is not a string literal, but a variable. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-08Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6
2010-01-08netfilter: ebtables: enforce CAP_NET_ADMINFlorian Westphal
normal users are currently allowed to set/modify ebtables rules. Restrict it to processes with CAP_NET_ADMIN. Note that this cannot be reproduced with unmodified ebtables binary because it uses SOCK_RAW. Signed-off-by: Florian Westphal <fwestphal@astaro.com> Cc: stable@kernel.org Signed-off-by: Patrick McHardy <kaber@trash.net>
2010-01-08igb: add support for device reset interruptAlexander Duyck
This patch adds support for the global device reset interrupt. Without this change the drivers will report tx hangs on all ports when a global device reset occurs. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-08powerpc/mpc5xxx: add OF platform binding doc for FSL MSCAN devicesWolfgang Grandegger
This patch adds documentation for the MSCAN OF device bindings for the MPC512x and moves the one for the MPC5200 to the new common file "Documentation/powerpc/dts-bindings/fsl/can.txt". Signed-off-by: Wolfgang Grandegger <wg@denx.de> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-08can: mscan-mpc5xxx: add support for the MPC512x processorWolfgang Grandegger
The main differences compared to the MSCAN on the MPC5200 are: - More flexibility in choosing the CAN source clock and frequency: Three different clock sources can be selected: "ip", "ref" or "sys". For the latter two, a clock divider can be defined as well. If the clock source is not specified by the device tree, we first try to find an optimal CAN source clock based on the system clock. If that is not possible, the reference clock will be used. - The behavior of bus-off recovery is configurable: To comply with the usual handling of Socket-CAN bus-off recovery, "recovery on request" is selected (instead of automatic recovery). Note that only MPC5121 Rev. 2 and later is supported. Signed-off-by: Wolfgang Grandegger <wg@denx.de> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-08can: mscan: fix improper return if dlc < 8 in start_xmit functionWolfgang Grandegger
The start_xmit function of the MSCAN Driver did return improperly if the CAN dlc check failed (skb not freed and invalid return code). This patch adds a proper check of the frame lenght and data size and returns now correctly. The invalid skb packets are dropped silently as suggested by David Miller in the thread "[RFC] ndo_validate_skb: Let the netdev check a valid skb content" on the netdev mailing list. Furthermore, a typo has been fixed. Signed-off-by: Wolfgang Grandegger <wg@denx.de> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-08net/ipv6/tcp_ipv6.c: Use compressed IPv6 addressJoe Perches
Use "[compressed ipv6]:port" form suggested by: http://tools.ietf.org/id/draft-ietf-6man-text-addr-representation-03.txt Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-08ep93xx_eth.c general cleanupH Hartley Sweeten
General cleanup of the ep93xx_eth driver. 1) Use pr_fmt() to prefix the module name and __func__ to the error messages. 2) <linux/io.h> instead of <asm/io.h> 3) <mach/hardware.h> instead of <mach/ep93xx-regs.h> and <mach/platform.h> 4) Move the ep93xx_mdio_read (and ep93xx_mdio_write) function to eliminate the function prototype. 5) Change all the printk(<level> messages to pr_<level> and remove the __func__ argument. 6) Use platform_get_{resource/irq} to get the platform resources and add an error check. 7) Use resource_size() for request_mem_region() and ioremap(). 8) Use %pM to print the MAC address at the end of the probe. 9) Use dev->dev_addr not data->dev_addr for the MAC argument because a random address could be used if the platform does not supply one. The message at the end of the probe is left as a printk since it displays cleaner without the function name that would be displayed with pr_info(). Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Acked-by: Lennert Buytenhek <kernel@wantstofly.org> Signed-off-by: David S. Miller <davem@davemloft.net>
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