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2010-01-16NET: Add Qlogic ethernet driver for CNA devicesAmit Kumar Salecha3-0/+15
o Separate Ethernet driver for Qlogic CNA devices Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlcnic: Qlogic ethernet driver for CNA devicesAmit Kumar Salecha8-0/+8728
o 1G/10G Ethernet Driver for Qlgic QLE8240 and QLE8242 CNA devices. Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16macvlan: add GRO bit to features maskPatrick Mullaney1-1/+1
Allow macvlan devices to support GRO. Signed-off-by: Patrick Mullaney <pmullaney@novell.com> Acked-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add module param to force firmware core dump.Ron Mercer4-2/+53
Default setting is 'off', don't allow force firmware dump. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add xgmac reg blocks to firwmare dump.Ron Mercer1-0/+87
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add serdes reg blocks dump to firmware dump.Ron Mercer1-0/+417
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add alternate function's reg dump to fw dump.Ron Mercer1-0/+30
Get the 2nd (other) nic function register values. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add RAM dump to firmware dump.Ron Mercer3-0/+114
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add probe regs to firmware dump.Ron Mercer1-0/+54
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add basic firmware dump.Ron Mercer4-0/+622
Adding the infrstructure and basic data for the firmware core dump. The firmware coredump is turned OFF by default. There will be no memory allocations for data dumps to the log. Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-16qlge: Add data for firmware dump.Ron Mercer1-5/+398
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15ethoc: Use resource_sizeTobias Klauser1-4/+4
Use the resource_size function instead of manually calculating the resource size. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15can: mscan-mpc5xxx: fix broken support for the MPC5200Wolfgang Grandegger1-4/+4
Due to an invalid "#ifdef CONFIG_PPC_MPC5200", the real clock setup function was not called for the MPC5200. Signed-off-by: Wolfgang Grandegger <wg@denx.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-15vhost_net: a kernel-level virtio serverMichael S. Tsirkin14-0/+2079
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. Tsirkin1-0/+3
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. Tsirkin2-19/+96
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 Pellegrin9-1/+19
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 Salecha1-1/+1
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 Salecha9-9/+9
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 Salecha1-5/+8
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 Salecha3-5/+5
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. Miller1-36/+40
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 Sweeten1-1/+1
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 Dobriyan21-458/+411
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 Borkmann2-66/+114
Signed-off-by: Daniel Borkmann <danborkmann@googlemail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-01-13genetlink: optimize ctrl_dumpfamily()Samir Bellabes1-3/+1
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 Perches2-17/+14
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 Lueck2-18/+29
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 Braun2-3/+0
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 Braun8-86/+336
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 Allan5-89/+27
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 Allan6-11/+52
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 Allan7-58/+147
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 Perches1-5/+31
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 Hartkopp9-13/+41
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 Hemminger4-2/+21
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 Perches1-8/+2
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. Miller91-558/+1110
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 Kirjanov1-1/+1
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 Rose1-0/+11
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 Rose1-10/+268
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 Rose1-58/+68
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 Rose1-1/+2
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 Rose2-0/+381
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 Rose3-3/+83
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 Rose2-0/+575
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 Rose3-0/+113
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 Rose1-0/+38
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 Rose3-0/+4605
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 Rose2-0/+441
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>
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