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2010-04-30cdc_ether: Identify MBM devices by GUID in MDLM descriptorJonas Sjöquist1-74/+39
This patch removes vid/pid for Ericsson MBM devices from the whitelist set of devices. The MBM devices are instead identified by GUID. In order for cdc_ether to handle these devices the GUID in the MDLM descriptor is tested. All MBM devices currently handled by cdc_ether as well as future CDC Ethernet MBM devices can be identified by the GUID. This is the same solution used in Carl Nordbeck's mbm driver, http://kerneltrap.org/mailarchive/linux-usb/2008/11/17/4141384/thread I post this as RFC to get feedback on however cdc_ether is the correct place to do the binding, or if it should be done in a separate driver, e.g. zaurus. Signed-off-by: Jonas Sjöquist <jonas.sjoquist@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-30forcedeth: Stay in NAPI as long as there's workstephen hemminger1-14/+17
The following does the same thing without the extra overhead of testing all the registers. It also handles the out of memory case. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Tested-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28igb: Clean up left over prototype of igb_get_hw_dev_name()Emil Tantilov1-1/+0
Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28wireless: Fix merge.Hauke Mehrtens1-1/+0
in your merge in 5c01d5669356e13f0fb468944c1dd4c6a7e978ad you added "int i;" into wl1271_main.c which is unused in that function. This patch fixes the merge problem: Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28caif: Ldisc add permission check and mem-alloc error checkSjur Braendeland1-1/+4
Changes: o Added permission checks for installing. CAP_SYS_ADMIN and CAP_SYS_TTY_CONFIG can install the ldisc. o Check if allocation of skb was successful. Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Create multiple TX queuesBen Hutchings8-123/+140
Create a core TX queue and 2 hardware TX queues for each channel. If separate_tx_channels is set, create equal numbers of RX and TX channels instead. Rewrite the channel and queue iteration macros accordingly. Eliminate efx_channel::used_flags as redundant. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Test only the first pair of TX queuesBen Hutchings2-3/+3
This makes no immediate difference, but we definitely do not want to test all TX queues once we allocate a pair of TX queues to each channel. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Add Siena PHY BIST and cable diagnostic supportSteve Hodgson1-2/+144
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Clean up efx_nic::irq_zero_countBen Hutchings1-1/+2
There is no need for this to be unsigned long; make it unsigned int. It does need a line in kernel-doc, so add that. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Add necessary parentheses to macro definitions in net_driver.hBen Hutchings1-11/+11
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Break NAPI processing after one ring-full of TX completionsBen Hutchings2-24/+33
Currently TX completions do not count towards the NAPI budget. This means a continuous stream of TX completions can cause the polling function to loop indefinitely with scheduling disabled. To avoid this, follow the common practice of reporting the budget spent after processing one ring-full of TX completions. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Set PERIODIC_NOEVENT flag for MC_CMD_MAC_STATSSteve Hodgson1-16/+9
When set, an event is not sent whenever periodic MAC statistics are raised. This avoids unnecessary wake-ups. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Update MCDI protocol definitionsBen Hutchings1-16/+55
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Enable IPv6 RSS using random key for Toeplitz hashBen Hutchings2-0/+21
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Read MEM_STAT for SRM_PERR as well as MEM_PERR errorsSteve Hodgson1-1/+2
Parity errors in different blocks of SRAM may set one of two different interrupt flags. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Log specific message for failure of NVRAM self-testBen Hutchings1-2/+8
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Extend the legacy interrupt workaroundsSteve Hodgson2-15/+10
Siena has two problems with legacy interrupts: 1. There is no synchronisation between the ISR read completion, and the interrupt deassert message. 2. A downstream read at the "wrong" moment can return 0, and suppress generating the next interrupt. Falcon should suffer from both of these, and it appears it does. Enable EFX_WORKAROUND_15783 on Falcon as well. Also, when we see queues == 0, ensure we always schedule or rearm every event queue. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Reconfigure the XAUI serdes after an EM resetSteve Hodgson3-1/+5
Fix a regression introduced in d3245b28ef2a45ec4e115062a38100bd06229289 "sfc: Refactor link configuration". Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Stop masking out XGMII faults over reconfiguresSteve Hodgson1-15/+5
The aim of this code was to avoid a spurious XGMII fault over a MAC reconfigure. It's less relevant now that the PHY reconfigure isn't called from the MAC reconfigure. After applying this patch, our link stress test passed 48 hours of testing without ever resetting the PHY. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Handle serious errors in exactly one interrupt handlerSteve Hodgson3-21/+29
'Fatal' errors set an interrupt flag associated with a specific event queue; only read the syndrome vector if we see that queue's flag set (legacy interrupts) or in the interrupt handler for that queue (MSI). Do not ignore an interrupt if the fatal error flag is set but specific error flags are all zero. Even if we don't schedule a reset, we must respect the queue mask and rearm the appropriate event queues. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Consistently report short MCDI responses as EIOBen Hutchings2-11/+17
In some cases failing functions were returning 0 which is obviously wrong. In other cases they were returning inappropriate error codes. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sfc: Ignore parity errors in the other port's SRAMSteve Hodgson1-0/+2
Siena has a separate SRAM bank for each port. On single-port boards these can be merged together, so each port has an interrupt flag for parity errors in the other port's SRAM. Currently we do not enable such merging and should mask this interrupt source. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28sky2: use the DMA state API instead of the pci equivalentsFUJITA Tomonori2-14/+14
This replace the PCI DMA state API (include/linux/pci-dma.h) with the DMA equivalents since the PCI DMA state API will be obsolete. No functional change. For further information about the background: http://marc.info/?l=linux-netdev&m=127037540020276&w=2 Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-28bnx2x: Remove two prefetch()Eric Dumazet1-2/+0
1) Even on 64bit arches, sizeof(struct sk_buff) < 256 2) No need to prefetch same pointer twice. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Eilon Greenstein <eilong@broadcom.com> Acked-by: Eliezer Tamir <eliezer@tamir.org.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: disable MSI-X by default on certain Cisco adaptersNicholas Nunley2-1/+20
Due to an errata in 82598 parts MSI-X needs to be disabled in certain ixgbe devices designed to transfer peer-to-peer traffic on the PCIe bus. This patch sets the default interrupt type to MSI rather than MSI-X for specific Cisco ixgbe adapters. Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Acked-by: John Ronciak <john.ronciak@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: add registers etc. printout code just before resetting adaptersTaku Izumi1-0/+341
This patch adds registers (,tx/rx rings' status and so on) printout code just before resetting adapters. This will be helpful for detecting the root cause of adapters reset. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27igb: add registers etc. printout code just before resetting adaptersTaku Izumi1-0/+332
This patch adds registers (,tx/rx rings' status and so on) printout code just before resetting adapters. This will be helpful for detecting the root cause of adapters reset. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27e1000e: add registers etc. printout code just before resetting adaptersTaku Izumi1-0/+357
This patch adds registers (,tx/rx rings' status and so on) printout code just before resetting adapters. This will be helpful for detecting the root cause of adapters reset. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27e1000: Use netdev_<level>, pr_<level> and dev_<level>Emil Tantilov7-405/+367
This patch is an alternative to similar patch provided by Joe Perches. Substitute DPRINTK macro for e_<level> that uses netdev_<level> and dev_<level> similar to e1000e. - Convert printk to pr_<level> where applicable. - Use common #define pr_fmt for the driver. - Use dev_<level> for displaying text in parts of the driver where the interface name is not assigned (like e1000_param.c). - Better align test with the new macros. CC: Joe Perches <joe@perches.com> Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbevf: use DMA API instead of PCI DMA functionsNick Nunley1-33/+35
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: use DMA API instead of PCI DMA functionsNick Nunley2-55/+64
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgb: use DMA API instead of PCI DMA functionsNick Nunley1-31/+39
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27igbvf: use DMA API instead of PCI DMA functionsNick Nunley1-36/+38
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27igb: convert igb from using PCI DMA functions to using DMA API functionsAlexander Duyck3-58/+61
This patch makes it so that igb now uses the DMA API functions instead of the PCI API functions. To do this the pci_dev pointer that was in the rings has been replaced with a device pointer, and as a result all references to [tr]x_ring->pdev have been replaced with [tr]x_ring->dev. This patch is based of of work originally done by Nicholas Nunley. 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>
2010-04-27e1000e: use DMA API instead of PCI DMA functionsNick Nunley2-63/+66
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27e1000: use DMA API instead of PCI DMA functionsNick Nunley2-68/+88
Signed-off-by: Nicholas Nunley <nicholasx.d.nunley@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27cxgb4: set skb->rxhashDimitris Michailidis3-2/+21
Implement the ->set_flags ethtool method to control NETIF_F_RXHASH and set skb->rxhash to the HW calculated hash accordingly. Follow Eric Dumazet's suggestion and use the hash value raw. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27net/sb1250: setup the pdevice within the soc codeSebastian Andrzej Siewior1-119/+1
doing it within the driver does not look good. And surely isn't how platform devices were meat to be used. Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27net/sb1250: remove CONFIG_SIBYTE_STANDALONESebastian Andrzej Siewior1-144/+0
CONFIG_SIBYTE_STANDALONE is gone since v2.6.31-rc1 ("MIPS: Sibyte: Remove standalone kernel support") This is a missing piece. Signed-off-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27cxgb4: increase serial number lengthDimitris Michailidis1-1/+1
Some boards have longer serial numbers in their VPD, up to 24 bytes. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27cxgb4: parse the VPD instead of relying on a static VPD layoutDimitris Michailidis1-25/+39
Some boards' VPDs contain additional keywords or have longer serial numbers, meaning the keyword locations are variable. Ditch the static layout and use the pci_vpd_* family of functions to parse the VPD instead. Signed-off-by: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: Properly display 1 gig downshift warning for backplaneAnjali Singhai1-0/+5
Description: When using Intel smartspeed, the patch displays a warning when the link down shifts to 1 Gig. Signed-off-by: Anjali Singhai <anjali.singhai@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: cleanup ethtool autoneg inputDon Skidmore1-1/+1
The way we were setting autoneg via ethtool was inconstant with that of our other drivers. It will change the following: If autoneg is off: >ethtool -a eth0 Pause parameters for eth0: Autonegotiate: off RX: off TX: off Before: >ethtool -A eth0 autoneg on >ethtool -a eth0 Pause parameters for eth0: Autonegotiate: off RX: off TX: off Now: >ethtool -A eth0 autoneg on >ethtool -a eth0 Pause parameters for eth0: Autonegotiate: on RX: on TX: on Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbevf: Fix link speed displayGreg Rose2-6/+9
The ixgbevf driver would always report 10Gig speeds even when the link speed is downshifted to 1Gig. This patch fixes that problem. 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>
2010-04-27ixgb: Use pr_<level> and netdev_<level>Joe Perches7-156/+105
Convert DEBUGOUTx to pr_debug Convert DEBUGFUNC to more commonly used ENTER Convert mac address output to %pM Use #define pr_fmt Convert a few printks to pr_<level> Improve ixgb_mc_addr_list_update: use a temporary for current mc address Use etherdevice.h functions for mac address testing Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: ixgbe_down needs to stop dev_watchdogJohn Fastabend1-8/+7
There is a small race between when the tx queues are stopped and when netif_carrier_off() is called in ixgbe_down. If the dev_watchdog() timer fires during this time it is possible for a false tx timeout to occur. This patch moves the netif_carrier_off() so that it is called before the tx queues are stopped preventing the dev_watchdog timer from detecting false tx timeouts. The race is seen occosionally when FCoE or DCB settings are being configured or changed. Testing note, running ifconfig up/down will not reproduce this issue because dev_open/dev_close call dev_deactivate() and then dev_activate(). Signed-off-by: John Fastabend <john.r.fastabend@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>
2010-04-27igb: add support for reporting 5GT/s during probe on PCIe Gen2Alexander Duyck3-11/+21
This change corrects the fact that we were not reporting Gen2 link speeds when we were in fact connected at Gen2 rates. 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>
2010-04-27ixgbe: fix bug when EITR=0 causing no writebacksJesse Brandeburg2-14/+26
writebacks can be held indefinitely by hardware if EITR=0, when combined with TXDCTL.WTHRESH=8. When EITR=0, WTHRESH should be set back to zero. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27ixgbe: enable extremely low latencyJesse Brandeburg2-9/+87
82598/82599 can support EITR == 0, which allows for the absolutely lowest latency setting in the hardware. This disables writeback batching and anything else that relies upon a delayed interrupt. This patch enables the feature of "override" when a user sets rx-usecs to zero, the driver will respect that setting over using RSC, and automatically disable RSC. If rx-usecs is used to set the EITR value to 0, then the driver should disable LRO (aka RSC) internally until EITR is set to non-zero again. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-27igbvf: double increment nr_fragsKoki Sanagi1-1/+1
There is no need to increment nr_frags because skb_fill_page_desc increments it. Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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