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* igb: clean up a stray fake netdev code left in rx pathAlexander Duyck2008-09-031-5/+0
| | | | | | | | Remove code that was in place to support fake netdev Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: remove unneeded cleaned variable in clean_tx_irq pathAlexander Duyck2008-09-031-5/+2
| | | | | | | | | The cleaned variable can be replaced by the count of packets cleaned during the tx interrupt routine so it can be removed. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: remove 82576 quad adapterAlexander Duyck2008-08-274-22/+0
| | | | | | | | | Disable support for device 8086:10E8. Currently the result of loading the driver with the device present causes system instability. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: fix setting the number of tx queuesAlexander Duyck2008-08-271-2/+2
| | | | | | | | | The real_num_tx_queues was not being set when in MSI-X only mode. This patch corrects that path so all interrupt types are correctly configured. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: ethtool -d reads EICR which is incorrect as it is read on clearAlexander Duyck2008-08-271-2/+6
| | | | | | | | | | | Ethtool -d is reading the EICR and ICR registers which is currently clearing these registers and masking off interrupts. To prevent this we read the EICS and ICS equivilents as they can be read without clearing or masking. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: force all queues to interrupt once every 2 secondsAlexander Duyck2008-08-271-1/+9
| | | | | | | | | Set the EICS bit for each of the RX queues at least once every 2 seconds to prevent the rx queues from stalling. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: remove igb_init_managability as it is deprecatedAlexander Duyck2008-08-071-25/+0
| | | | | | | | | | igb_init_managability does not actually perform any function as the two registers it attempts to write are both read only on the host. This patch removes the function and all references to it from the driver. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: remove three redundant functions left in the codeAlexander Duyck2008-08-075-154/+0
| | | | | | | | | Three functions were left in the code that are no longer used. I am removing these functions just to keep the code clean. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: correct issue of set_mta member of mac.ops not being populatedAlexander Duyck2008-08-074-3/+3
| | | | | | | | The igb_mta_set function was not being correctly used Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: fixes 82576 serdes init to correctly support manual flow control changesAlexander Duyck2008-08-072-0/+7
| | | | | | | | | This patch changes the PCS configuration for serdes so that the flow control options change be set via the ethtool -A option. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: fix null pointer dereference seen with fiber NICsAlexander Duyck2008-08-071-1/+2
| | | | | | | | | With a fiber or serdes NIC installed the driver was causing a null pointer dereference on driver unload. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: fix commentsAlexander Duyck2008-08-072-2/+2
| | | | | | | | The internal name was used in comments, replaced with silicon part number. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* net: igb_main.c fix sparse integer as NULL pointer warningHarvey Harrison2008-07-221-1/+1
| | | | | | | drivers/net/igb/igb_main.c:388:20: warning: Using plain integer as NULL pointer Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb/ixgbe/e1000e: resolve tx multiqueue bugJeff Kirsher2008-07-181-0/+2
| | | | | | | | | | | With the recent changes to tx mutiqueue, igb/ixgbe/e1000e was not calling netif_tx_start_all_queues() before calling netif_tx_wake_all_queues(). This causes an issue during loading of the driver. In addition, updated e1000e to use the updated tx mutliqueue api. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Use queue aware tests throughout.David S. Miller2008-07-181-14/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This effectively "flips the switch" by making the core networking and multiqueue-aware drivers use the new TX multiqueue structures. Non-multiqueue drivers need no changes. The interfaces they use such as netif_stop_queue() degenerate into an operation on TX queue zero. So everything "just works" for them. Code that really wants to do "X" to all TX queues now invokes a routine that does so, such as netif_tx_wake_all_queues(), netif_tx_stop_all_queues(), etc. pktgen and netpoll required a little bit more surgery than the others. In particular the pktgen changes, whilst functional, could be largely improved. The initial check in pktgen_xmit() will sometimes check the wrong queue, which is mostly harmless. The thing to do is probably to invoke fill_packet() earlier. The bulk of the netpoll changes is to make the code operate solely on the TX queue indicated by by the SKB queue mapping. Setting of the SKB queue mapping is entirely confined inside of net/core/dev.c:dev_pick_tx(). If we end up needing any kind of special semantics (drops, for example) it will be implemented here. Finally, we now have a "real_num_tx_queues" which is where the driver indicates how many TX queues are actually active. With IGB changes from Jeff Kirsher. Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: Kill NETIF_F_MULTI_QUEUE.David S. Miller2008-07-181-2/+0
| | | | | | | There is no need for a feature bit for something that can be tested by simply checking the TX queue count. Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Kill CONFIG_NETDEVICES_MULTIQUEUE references, no longer exists.David S. Miller2008-07-182-53/+0
| | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* netdrv intel: always enable VLAN filtering except in promiscous modePatrick McHardy2008-07-171-8/+1
| | | | | | | | | | | | Currently VLAN filtering is enabled when the first VLAN is added. Obviously before that there's no point in receiving any VLAN packets. Now that we disable VLAN filtering in promiscous mode, we can keep the VLAN filters enabled the remaining time. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdrv intel: disable VLAN filtering in promiscous modePatrick McHardy2008-07-171-8/+13
| | | | | | | | | | | | | | | As discussed in this thread: http://www.mail-archive.com/netdev@vger.kernel.org/msg53976.html promiscous mode means to disable *all* filters. Currently only unicast and multicast filtering is disabled. This patch changes all Intel drivers to also disable VLAN filtering. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Improve multiqueue AIM supportAlexander Duyck2008-07-113-81/+113
| | | | | | | | | | | | | Improve multiqueue performance Change itr_val to reflect ITR timer value instead of ints/sec Cleaned up AIM algorithms in general Based on work by Mitch Williams Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: unused variable warning in igb removeAlexander Duyck2008-07-111-0/+2
| | | | | | | | | Wrap hw variable declaration in DCA flags to prevent unused variable warning during compilation. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: update suspend resumeAlexander Duyck2008-07-111-17/+29
| | | | | | | | | Updates the suspend and resume to better handle the possibility of MSIX vector changes. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: add support for in kernel LROAlexander Duyck2008-07-114-9/+138
| | | | | | | | | This patch adds support for the use of the inet_lro module to provide software LRO support. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: add page recycling supportAlexander Duyck2008-07-112-79/+63
| | | | | | | | | This patch adds support for page recycling by splitting the page into two usable portions and tracking the reference count. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: Add support for quad port WOL and feature flagsAlexander Duyck2008-07-113-36/+81
| | | | | | | | | | | | Change igb from using a series of boolean operators to using a single flags value that contains a number of different bit flags for all the different features of the adapter. This patch also adds WOL support for quad port adapters. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: add 82576 MAC supportAlexander Duyck2008-07-119-86/+476
| | | | | | | Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: Increment driver versionAuke Kok2008-07-111-1/+1
| | | | | | Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: reenable CRC stripping in hardwareAuke Kok2008-07-111-4/+5
| | | | | | | | | | We can remove a clunky workaround for not having the hardware strip the CRC. 82575 silicon as well as the older PCI Express e1000e hardware all work OK in this respect. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: add DCA supportJeb Cramer2008-07-114-4/+187
| | | | | | | | | | | | | Add DCA support in the similar method that it was added to the ixgbe driver recently. DCA allows the network device to put data in the CPU cache and notify the chipset of that event. This reduces cache misses during receives. Signed-off-by: Jeb Cramer <cramerj@intel.com> Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: update ethtool stats to support multiqueueAlexander Duyck2008-07-113-4/+12
| | | | | | | | | Addesses problems seen earlier with igb driver not correctly reporting rx and tx stats. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: Introduce multiple TX queues with infrastructurePeter P Waskiewicz Jr2008-07-112-53/+114
| | | | | | | | | | | | | | This code adds multiple Tx queue infrastructure much like we previously did in ixgbe. The MSI-X vector mapping is the bulk of the change. IAM can now be safely enabled and we've verified that it does work correctly. We can also eliminate the tx ring lock. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* netdrv: don't truncate VLAN TCI with VLAN strippingPatrick McHardy2008-07-071-2/+1
| | | | | | | | | The vlan_hwaccel_{rx,receive_skb} functions expect the full TCI field for priority mappings, don't truncate the upper 4 bits. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: add NAPI Rx queue supportPJ Waskiewicz2008-07-042-89/+61
| | | | | | | | | | Update the NAPI implementation to use the new napi_struct infrstructure. This removes the need of multiple net_device structs to implement a multiqueue NAPI. Signed-off-by: PJ Waskiewicz <peter.p.waskiewicz.jr.@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: fix init on 82575 with MNG enabledAlexander Duyck2008-07-044-0/+79
| | | | | | | | | This patch resolves an issue seen on 82575 adapters with managability pass-thru enabled, which could cause the system to panic. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: eliminate hw from the hw_dbg macro argumentsAuke Kok2008-07-047-182/+147
| | | | | | | | | Various cosmetic cleanups. Comment fixes. Eliminate the hw part out of the hw_dbg macro since it's always used. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: fix parameter optionsAlexander Duyck2008-07-041-4/+0
| | | | | | | | | Currently there are items in the driver to support parameters, but there are no parameters being added to the driver. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: cleanup function header commentsJeff Kirsher2008-07-044-103/+103
| | | | | | | Function header comments do not match function name. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: Remove adapter struct from these function call parametersMitch Williams2008-07-041-48/+40
| | | | | | | | | Simplify a bunch of calls to these functions by moving the adapter struct out of the function arguments since that is not needed. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: limit EEPROM accessJeff Kirsher2008-07-041-0/+4
| | | | | | | | EEPROM access beyond the base eeprom page is unsupported. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* Merge branch 'davem-next' of ↵David S. Miller2008-06-292-6/+45
|\ | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
| * igb: make ioport freeTaku Izumi2008-06-282-6/+45
| | | | | | | | | | | | | | | | | | This patch makes igb driver ioport-free. This corrects behavior in probe function so as not to request ioport resources as long as they are not really needed. Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | Merge branch 'master' of ↵David S. Miller2008-06-281-1/+2
|\ \ | |/ |/| | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/wireless/iwlwifi/iwl4965-base.c
| * igb: fix EEH recovery during reset on PPCJeff Kirsher2008-06-271-1/+2
| | | | | | | | | | | | | | | | | | EEH is not recovering in a reasonable amount of time on PPC during igb_down(). Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* | igb: allow vlan devices to use TSO and TCP CSUM offloadJeff Kirsher2008-06-121-1/+6
|/ | | | | | | | | Using the new interface for propagating device feature flags into VLAN deivces, turn on TSO and CSUM offload on VLAN devices. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb: save and restore pcie/msi state to support EEH recoveryAuke Kok2008-04-251-0/+2
| | | | | | | | | | | To enable EEH support for pci-express network adapters, pcie/msi state needs to be saved and restored for that adapter. [after similar patches for ixgbe and e1000e from Wendy Xiong] Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Cc: Wendy Xiong <wendyx@us.ibm.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* igb trivial annotationsAl Viro2008-03-263-69/+72
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* igb: endianness fixAl Viro2008-03-261-2/+2
| | | | | | | le16_to_cpu() should be done before mask and shift... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* igb: Correctly get protocol informationMitch Williams2008-03-171-4/+17
| | | | | | | | | | We can't look at the socket to get protocol information. We should instead look directly at the packet, and hope there are no IPv6 option headers. Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* igb: Fix panic with NICs with 1000BASE-SX PHYBill Hayes2008-02-241-2/+4
| | | | | | | | | | | This patch eliminates a kernel panic with the igb driver in 2.6.25-rc2 when running on a Intel 82575 Ethernet controller with a 1000BASE-SX PHY. The panic does not happen with the 1000BASE-T PHY, only with a SX connection. Signed-off-by: Bill Hayes <bill.hayes@hp.com> Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* igb: fix legacy mode irq issueAndy Gospodarek2008-02-241-7/+2
| | | | | | | | | | | | | | | | | | I booted an igb kernel with the option pci=nomsi and instantly noticed that interrupts no longer worked on my igb device. I took a look at the interrupt initialization and quickly discovered a comment stating: "DO NOT USE EIAME or IAME in legacy mode" It seemed a bit odd that bits to enable IAM were being set in legacy interrupt mode, so I dropped out the following parts and interrupts began working fine again. [Updated code flow and a nitpick spelling error --Auke] Signed-off-by: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
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