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path: root/drivers/net
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2009-09-03enic: add support for multiple BARsScott Feldman
Nic firmware can place resources (queues, intrs, etc) on multiple BARs, so allow driver to discover/map resources beyond BAR0. Signed-off-by: Scott Feldman <scofeldm@cisco.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03macvlan: add multiqueue capabilityEric Dumazet
macvlan devices are currently not multi-queue capable. We can do that defining rtnl_link_ops method, get_tx_queues(), called from rtnl_create_link() This new method gets num_tx_queues/real_num_tx_queues from lower device. macvlan_get_tx_queues() is a copy of vlan_get_tx_queues(). Because macvlan_start_xmit() has to update netdev_queue stats only (and not dev->stats), I chose to change tx_errors/tx_aborted_errors accounting to tx_dropped, since netdev_queue structure doesnt define tx_errors / tx_aborted_errors. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netdev: Convert MDIO ioctl implementation to use struct mii_ioctl_dataBen Hutchings
A few drivers still access the arguments to MDIO ioctls as an array of u16. Convert them to use struct mii_ioctl_data. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netdev: Remove redundant checks for CAP_NET_ADMIN in MDIO implementationsBen Hutchings
dev_ioctl() already checks capable(CAP_NET_ADMIN) before calling the driver's implementation of MDIO ioctls. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netdev: Remove SIOCDEVPRIVATE aliases for MDIO ioctlsBen Hutchings
The standard MDIO ioctl numbers are well-established and these should no longer be needed. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03sky2: only enable Vaux if capable of wakeupStephen Hemminger
While perusing vendor driver, I saw that it did not enable the Vaux power unless device was able to wake from lan for D3cold. This might help for Rene's power issue. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netxen: fix infinite loop on dma mapping failureDhananjay Phadke
Fix a perpetual while() loop in unwinding partial mapped tx skb on dma mapping failure. Reported-by: "Juha Leppanen" <juha_motorsportcom@luukku.com> Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netxen: remove duplicate napi_addDhananjay Phadke
Remove duplicate calls to netxen_napi_add(). Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03netxen: fix lro buffer allocationDhananjay Phadke
Alloc 12k skbuffs so that firmware can aggregate more packets into one buffer. This doesn't raise memory consumption since 9k skbs use 16k slab cache anyway. Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03ixgbe: Add support for using FCoE DDP in 82599 as FCoE targetsYi Zou
The FCoE DDP in 82599 can be used for both FCoE initiator as well as FCoE target, depending on the indication of the exchange being the responder or originator in the F_CTL (frame control) field in the encapsulated Fiber Channel frame header (T10 Spec., FC-FS). For the initiator, OX_ID is used for FCoE DDP, where for the target RX_ID is used for FCoE DDP. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03ixgbe: Distribute transmission of FCoE traffic in 82599Yi Zou
This adds a simple selection of a FCoE tx queue based on the current cpu id to distribute transmission of FCoE traffic evenly among multiple FCoE transmit queues. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03ixgbe: Add support for multiple Tx queues for FCoE in 82599Yi Zou
This patch adds support for multiple transmit queues to the Fiber Channel over Ethernet (FCoE) feature found in 82599. Currently, FCoE has multiple Rx queues available, along with a redirection table, that helps distribute the I/O load across multiple CPUs based on the FC exchange ID. To make this the most effective, we need to provide the same layout of transmit queues to match receive. Particularly, when Data Center Bridging (DCB) is enabled, the designated traffic class for FCoE can have dedicated queues for just FCoE traffic, while not affecting any other type of traffic flow. Signed-off-by: Yi Zou <yi.zou@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-03igb: set vf rlpml wasn't taking vlan tag into accountAlexander Duyck
This patch updates things so that vlan tags are taken into account when setting the receive large packet maximum length. This allows the VF driver to correctly receive full sized frames when vlans are enabled. 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>
2009-09-03igb: only disable/enable interrupt bits for igb physical functionAlexander Duyck
The igb_irq_disable/enable calls were causing virtual functions associated with the igb physical function to have their interrupts disabled. In order to prevent this from occuring we should only clear/set the bits related to the physical function. 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>
2009-09-03igb: add support for set_rx_mode netdevice operationAlexander Duyck
This patch adds support for the set_rx_mode netdevice operation so that igb can better support multiple unicast addresses. 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>
2009-09-02fec: don't enable irqs in hard irq contextUwe Kleine-König
fec_enet_mii, fec_enet_rx and fec_enet_tx are both only called by fec_enet_interrupt in interrupt context. So they must not use spin_lock_irq/spin_unlock_irq. This fixes: WARNING: at kernel/lockdep.c:2140 trace_hardirqs_on_caller+0x130/0x194() ... Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Patrick McHardy <kaber@trash.net> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Matt Waddel <Matt.Waddel@freescale.com> Cc: netdev@vger.kernel.org Cc: Tim Sander <tim01@vlsi.informatik.tu-darmstadt.de> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02fec: fix recursive locking of mii_lockUwe Kleine-König
mii_discover_phy is only called by fec_enet_mii (via mip->mii_func). So &fep->mii_lock is already held and mii_discover_phy must not call mii_queue which locks &fep->mii_lock, too. This was noticed by lockdep: ============================================= [ INFO: possible recursive locking detected ] 2.6.31-rc8-00038-g37d0892 #109 --------------------------------------------- swapper/1 is trying to acquire lock: (&fep->mii_lock){-.....}, at: [<c01569f8>] mii_queue+0x2c/0xcc but task is already holding lock: (&fep->mii_lock){-.....}, at: [<c0156328>] fec_enet_interrupt+0x78/0x460 other info that might help us debug this: 2 locks held by swapper/1: #0: (rtnl_mutex){+.+.+.}, at: [<c0183534>] rtnl_lock+0x18/0x20 #1: (&fep->mii_lock){-.....}, at: [<c0156328>] fec_enet_interrupt+0x78/0x460 stack backtrace: Backtrace: [<c00226fc>] (dump_backtrace+0x0/0x108) from [<c01eac14>] (dump_stack+0x18/0x1c) r6:c781d118 r5:c03e41d8 r4:00000001 [<c01eabfc>] (dump_stack+0x0/0x1c) from [<c005bae4>] (__lock_acquire+0x1a20/0x1a88) [<c005a0c4>] (__lock_acquire+0x0/0x1a88) from [<c005bbac>] (lock_acquire+0x60/0x74) [<c005bb4c>] (lock_acquire+0x0/0x74) from [<c01edda8>] (_spin_lock_irqsave+0x54/0x68) r7:60000093 r6:c01569f8 r5:c785e468 r4:00000000 [<c01edd54>] (_spin_lock_irqsave+0x0/0x68) from [<c01569f8>] (mii_queue+0x2c/0xcc) r7:c785e468 r6:c0156b24 r5:600a0000 r4:c785e000 [<c01569cc>] (mii_queue+0x0/0xcc) from [<c0156b78>] (mii_discover_phy+0x54/0xa8) r8:00000002 r7:00000032 r6:c785e000 r5:c785e360 r4:c785e000 [<c0156b24>] (mii_discover_phy+0x0/0xa8) from [<c0156354>] (fec_enet_interrupt+0xa4/0x460) r5:c785e360 r4:c077a170 [<c01562b0>] (fec_enet_interrupt+0x0/0x460) from [<c0066674>] (handle_IRQ_event+0x48/0x120) [<c006662c>] (handle_IRQ_event+0x0/0x120) from [<c0068438>] (handle_level_irq+0x94/0x11c) ... Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Cc: Greg Ungerer <gerg@uclinux.org> Cc: Ben Hutchings <ben@decadent.org.uk> Cc: Patrick McHardy <kaber@trash.net> Cc: Sascha Hauer <s.hauer@pengutronix.de> Cc: Matt Waddel <Matt.Waddel@freescale.com> Cc: netdev@vger.kernel.org Cc: Tim Sander <tim01@vlsi.informatik.tu-darmstadt.de> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02NET: Fix possible corruption in bpqether driverRalf Baechle
The bpq ether driver is modifying the data art of the skb by first dropping the KISS byte (a command byte for the radio) then prepending the length + 4 of the remaining AX.25 packet to be transmitted as a little endian 16-bit number. If the high byte of the length has a different value than the dropped KISS byte users of clones of the skb may observe this as corruption. This was observed with by running listen(8) -a which uses a packet socket which clones transmit packets. The corruption will then typically be displayed for as a KISS "TX Delay" command for AX.25 packets in the range of 252..508 bytes or any other KISS command for yet larger packets. Fixed by using skb_cow to create a private copy should the skb be cloned. Using skb_cow also allows us to cleanup the old logic to ensure sufficient headroom in the skb. While at it, replace a return of 0 from bpq_xmit with the proper constant NETDEV_TX_OK which is now being used everywhere else in this function. Affected: all 2.2, 2.4 and 2.6 kernels. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Reported-by: Jann Traschewski <jann@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02WARNING: some request_irq() failures ignored in el2_open()roel kluin
Request_irq() may fail in different ways, handle accordingly. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02drivers: Kill now superfluous ->last_rx storesEric Dumazet
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>
2009-09-02Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6
2009-09-02ath9k: Reconfigure beacon timers after the scan is completed.Vivek Natarajan
Signed-off-by: Vivek Natarajan <vnatarajan@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-09-02wireless: update top level wireless driver entryLuis R. Rodriguez
Change it to a menuconfig to give it some documentation, to refer users to our wireless wiki for extra resources and documentation. It seems our wiki is still obscure to some. Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2009-09-02netdev: drivers should make ethtool_ops constStephen Hemminger
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>
2009-09-02tg3: Update version to 3.102Matt Carlson
This patch updates the tg3 version to 3.102. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add MDIO bus address assignmentsMatt Carlson
The 5717 is a dual port chip that has a shared MDIO bus design. While it is impossible for one function to interface with the wrong phy, that function still needs to know which MDIO bus address to use when interfacing with its own phy. This patch adds code to determine which MDIO bus address to use. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add 5717 NVRAM detection routinesMatt Carlson
This patch adds NVRAM detection routines for the 5717. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add 5717 asic revMatt Carlson
This patch adds the 5717 asic rev. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Assign rx ret producer indexes by vectorMatt Carlson
When RSS is enabled, the status block format changes slightly. The "rx_jumbo_consumer", "reserved", and "rx_mini_consumer" members get mapped to the other three rx return ring producer indexes. This patch introduces a new per-interrupt member which identifies which location in the status block a particular vector should look for return ring updates. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Adjust RSS ring allocation strategiesMatt Carlson
When multivector RSS is enabled, the first interrupt vector is only used to report link interrupts and error conditions. This patch changes the code so that rx and tx ring resources are not allocated for this vector. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add RSS supportMatt Carlson
This patch adds code needed to enable RSS. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add coalesce parameters for msix vectorsMatt Carlson
This patch adds code to tune the coalescing parameters for the other msix vectors. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Enable NAPI instances for other int vectorsMatt Carlson
This patch adds code to enable and disable the rest of the NAPI instances. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add TSS supportMatt Carlson
This patch exposes the additional transmit rings to the kernel and makes the necessary modifications to transmit, open, and close paths. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Update intmbox and coal_now for msixMatt Carlson
This patch fixes up two spots that need attention now that msix support has been added. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add tx and rx ring resource trackingMatt Carlson
This patch adds code to assign status block, tx producer ring and rx return ring resources needed for the other interrupt vectors. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add mailbox assignmentsMatt Carlson
The 5717 assigns mailbox locations to interrupt vectors in a rather non-intuitive way. (Much of the complexity stems from legacy compatibility issues.) This patch implements the assignment scheme. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add MSI-X supportMatt Carlson
This patch adds MSI-X support. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add support code around kernel interrupt APIMatt Carlson
This patch adds code to support multiple interrupt vectors around the kernel's interrupt API. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Create tg3_rings_reset()Matt Carlson
This patch moves most of the chip ring setup logic into a separate function. This will make it easier to verify the multi ring setup changes. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: Add per-int coalesce now memberMatt Carlson
Each interrupt vector has its own bit in the host coalescing register to force that vector's status block to be updated and generate an interrupt. This patch adds a member to the per-interrupt structure that records which bit belongs to that vector. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02tg3: inline tg3_cond_int()Matt Carlson
This patch inlines the code of tg3_cond_int() into the function's only callsite. This prep work makes the following patch cleaner. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-02Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/yellowfin.c
2009-09-01xilinx_emaclite: Fix permissions on driver sources.David S. Miller
Noticed by Michal Simek. Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-01au1000_eth: possible NULL dereference of aup->mii_bus->irq in au1000_probe()roel kluin
aup->mii_bus->irq allocation may fail, prevent a dereference of NULL. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Acked-by: Florian Fainelli <florian@openwrt.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-01sky2: Use 32bit read to read Y2_VAUX_AVAILMike McCormack
B0_CTST is a 24bit register according to the vendor driver (sk98lin). A 16bit read on B0_CTST will always return 0 for Y2_VAUX_AVAIL (1<<16), so use a 32bit read when testing Y2_VAUX_AVAIL Signed-off-by: Mike McCormack <mikem@ring3k.org> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-01sky2: Create buffer alloc and free helpersMike McCormack
Refactor similar two sections of code that free buffers into one. Only call tx_init if all buffer allocations succeed. Signed-off-by: Mike McCormack <mikem@ring3k.org> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-01sky2: fix management of driver LEDStephen Hemminger
Observed by Mike McCormack. The LED bit here is just a software controlled value used to turn on one of the LED's on some boards. The register value was wrong, which could have been causing some power control issues. Get rid of problematic define use the correct mask. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-01tun: reuse struct sock fieldsMichael S. Tsirkin
As tun always has an embeedded struct sock, use sk and sk_receive_queue fields instead of duplicating them in tun_struct. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2009-09-01bonding: use compare_ether_addr_64bits() in ALBEric Dumazet
We can speedup ether addresses compares using compare_ether_addr_64bits() instead of memcmp(). We make sure all operands are at least 8 bytes long and 16bits aligned (or better, long word aligned if possible) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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