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path: root/drivers/net/ethernet/intel/igb/igb_main.c
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* drivers/net/ethernet: Fix (nearly-)kernel-doc comments for various functionsBen Hutchings2012-07-111-0/+1
| | | | | | | | | | Fix incorrect start markers, wrapped summary lines, missing section breaks, incorrect separators, and some name mismatches. Delete a few that are content-free. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Version bumpCarolyn Wyborny2012-06-201-3/+3
| | | | | | | | This patch updates the igb version to 4.0.1. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Update firmware info outputCarolyn Wyborny2012-06-201-0/+66
| | | | | | | | | | | | | Our NVM image creation tools have evolved over the years and there are multiple versions contained in them, depending on the tool used to create them. This patch outputs the NVM versions available in ethtool -i output. rc2: (not sure why others show in log but not in the message) Added additional call to igb_set_fw_version per Community feedback. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Streamline RSS queue and queue pairing assignment logic.Matthew Vick2012-06-201-27/+52
| | | | | | | | | | Rather than spread out the complexity of the RSS queue and queue pairing assignment logic, place it all in one location for simplicity and readability. Signed-off-by: Matthew Vick <matthew.vick@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: A fix to VF TX rate limitLior Levy2012-06-201-0/+5
| | | | | | | | | There is a need to configure MMW_SIZE in register RTTBCNRM with a correct value. For 82576 device, the value should be 0x14. Signed-off-by: Lior Levy <lior.levy@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Disable the BMC-to-OS Watchdog Enable bit for DMAC.Matthew Vick2012-05-171-0/+3
| | | | | | | | | | | | Under certain scenarios, it's possible that bursty manageability traffic over the BMC-to-OS path may overrun the internal manageability receive buffer causing dropped manageability packets. Clearing this bit prevents this situation by interrupting coalescing to allow manageability traffic through. Signed-off-by: Matthew Vick <matthew.vick@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-05-171-14/+6Star
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| * igb: fix rtnl race in PM resume pathBenjamin Poirier2012-05-111-14/+6Star
| | | | | | | | | | | | | | | | | | | | | | Since the caller (PM resume code) is not the one holding rtnl, when taking the 'else' branch rtnl may be released at any moment, thereby defeating the whole purpose of this code block. Signed-off-by: Benjamin Poirier <bpoirier@suse.de> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | igb: Add Support for new i210/i211 devices.Carolyn Wyborny2012-05-121-26/+81
| | | | | | | | | | | | | | | | | | This patch adds new initialization functions and device support for i210 and i211 devices. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-05-081-2/+2
|\| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/intel/e1000e/param.c drivers/net/wireless/iwlwifi/iwl-agn-rx.c drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c drivers/net/wireless/iwlwifi/iwl-trans.h Resolved the iwlwifi conflict with mainline using 3-way diff posted by John Linville and Stephen Rothwell. In 'net' we added a bug fix to make iwlwifi report a more accurate skb->truesize but this conflicted with RX path changes that happened meanwhile in net-next. In e1000e a conflict arose in the validation code for settings of adapter->itr. 'net-next' had more sophisticated logic so that logic was used. Signed-off-by: David S. Miller <davem@davemloft.net>
| * igb, ixgbe: netdev_tx_reset_queue incorrectly called from tx init pathJohn Fastabend2012-05-041-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | igb and ixgbe incorrectly call netdev_tx_reset_queue() from i{gb|xgbe}_clean_tx_ring() this sort of works in most cases except when the number of real tx queues changes. When the number of real tx queues changes netdev_tx_reset_queue() only gets called on the new number of queues so when we reduce the number of queues we risk triggering the watchdog timer and repeated device resets. So this is not only a cosmetic issue but causes real bugs. For example enabling/disabling DCB or FCoE in ixgbe will trigger this. CC: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Tested-by: John Bishop <johnx.bishop@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | igb: Force flow control off during reset when forcing speed.Matthew Vick2012-04-271-0/+7
| | | | | | | | | | | | | | | | | | | | | | During igb_reset(), we initiate a hardware reset which will clear our flow control settings. For auto-negotiation, we re-negotiate them when linking up again, but we need to force them off properly for the forced speed case. Signed-off-by: Matthew Vick <matthew.vick@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | igb: Update version to 3.4.7.Carolyn Wyborny2012-04-141-2/+2
| | | | | | | | | | | | Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | igb: offer a PTP Hardware Clock instead of the timecompare methodRichard Cochran2012-04-041-164/+14Star
|/ | | | | | | | | This commit removes the legacy timecompare code from the igb driver and offers a tunable PHC instead. Signed-off-by: Richard Cochran <richardcochran@gmail.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* intel: make wired ethernet driver message level consistent (rev2)stephen hemminger2012-03-281-1/+6
| | | | | | | | | | | | | Dan Carpenter noticed that ixgbevf initial default was different than the rest. But the problem is broader than that, only one Intel driver (ixgb) was doing it almost right. The convention for default debug level should be consistent among Intel drivers and follow established convention. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Support RX-ALL feature flag.Ben Greear2012-03-171-2/+31
| | | | | | | | | | | | This allows the NIC to receive all frames available, including those with bad FCS, un-matched vlans, ethernet control frames, and more. Tested by sending frames with bad FCS. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Support sending custom Ethernet FCS.Ben Greear2012-03-171-0/+4
| | | | | | | | | Including bad FCS, used generate frames with bad FCS to test other system's handling of RX of bad packets. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* net: Fix issue with netdev_tx_reset_queue not resetting queue from XOFF stateAlexander Duyck2012-03-131-1/+2
| | | | | | | | | | | | | | | | We are seeing dev_watchdog hangs on several drivers. I suspect this is due to the __QUEUE_STATE_STACK_XOFF bit being set prior to a reset for link change, and then not being cleared by netdev_tx_reset_queue. This change corrects that. In addition we were seeing dev_watchdog hangs on igb after running the ethtool tests. We found this to be due to the fact that the ethtool test runs the same logic as ndo_start_xmit, but we were never clearing the XOFF flag since the loopback test in ethtool does not do byte queue accounting. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Stephen Ko <stephen.s.ko@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-02-111-1/+2
|\ | | | | | | | | | | | | | | | | Conflicts: drivers/infiniband/hw/nes/nes_cm.c Simple whitespace conflict. Signed-off-by: David S. Miller <davem@davemloft.net>
| * igb: fix vf lookupGreg Rose2012-02-091-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Recent addition of code to find already allocated VFs failed to take account that systems with 2 or more multi-port SR-IOV capable controllers might have already enabled VFs. Make sure that the VFs the function is finding are actually subordinate to the particular instance of the adapter that is looking for them and not subordinate to some device that has previously enabled SR-IOV. This is applicable to 3.2+ kernels. CC: stable@vger.kernel.org Reported-by: David Ahern <daahern@cisco.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Robert E Garrett <robertX.e.garrett@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | igb: fix warning about unused functionEmil Tantilov2012-02-101-0/+4
|/ | | | | | | | | | | This patch fixes a warning about unused function when CONFIG_PM_SLEEP is not selected in the kernel config: igb_main.c: warning: `igb_suspend` defined but not used [W-unused-function] Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Update Copyright on all Intel copyrighted files.Carolyn Wyborny2012-01-191-2/+2
| | | | | | | Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: make local functions staticStephen Hemminger2012-01-191-3/+3
| | | | | | | | | Sparse caught two functions that were only being used in one file. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: reset PHY after recovering from PHY power downKoki Sanagi2012-01-051-0/+1
| | | | | | | | | | | | According to 82576_Datasheet.pdf, PHY setting is lost after PHY power down. So resetting PHY is needed when recovering from PHY power down to set a default setting to PHY register. Owing to this lack, NIC doesn't link up in some rare situation. Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: add basic runtime PM supportYan, Zheng2012-01-051-19/+117
| | | | | | | | | | | | | | | | | | Use the runtime power management framework to add basic runtime PM support to the igb driver. Namely, make the driver suspend the device when the link is off and set it up for generating a wakeup event after the link has been detected again. This feature is disabled by default. Based on e1000e's runtime PM code. Changes since v1: Don't suspend the device when shutting down the interface. Avoid race between runtime suspending and ethtool operations. Signed-off-by: Zheng Yan <zheng.z.yan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Add support for byte queue limits.Eric Dumazet2012-01-051-0/+5
| | | | | | | | | | | | | This adds support for byte queue limits (BQL) Since this driver collects bytes count in 'bytecount' field, use it also in igb_tx_map() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: make vlan ndo_vlan_rx_[add/kill]_vid return error valueJiri Pirko2011-12-091-4/+8
| | | | | | | | | | | | Let caller know the result of adding/removing vlan id to/from vlan filter. In some drivers I make those functions to just return 0. But in those where there is able to see if hw setup went correctly, return value is set appropriately. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Update DMA Coalescing threshold calculation.Matthew Vick2011-12-051-7/+19
| | | | | | | | | | This patch updates the DMA Coalescing feature parameters to account for larger MTUs. Previously, sufficient space may not have been allocated in the receive buffer, causing packet drop. Signed-off-by: Matthew Vick <matthew.vick@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* net: remove netdev_alloc_page and use __GFP_COLDEric Dumazet2011-11-221-1/+1
| | | | | | | | | | | | | | | | Given we dont use anymore the struct net_device *dev argument, and this interface brings litle benefit, remove netdev_{alloc|free}_page(), to debloat include/linux/skbuff.h a bit. (Some drivers used a mix of these interfaces and alloc_pages()) When allocating a page given to device for DMA transfer (device to memory), it makes sense to use a cold one (__GFP_COLD) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: Dimitris Michailidis <dm@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2011-11-171-85/+80Star
|\ | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
| * igb: Convert printks to pr_<level>Jeff Kirsher2011-11-161-85/+80Star
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on original patch from Joe Perches <joe@perches.com> Use the current logging styles. pr_<level> conversions are now prefixed with "igb: " Correct a defect where the trailing NTU may have been printed on a separate line because of an interleaving hex_dump. Remove unnecessary uses of KERN_CONT and use single pr_info()s to avoid any possible output interleaving from other modules. Coalesce formats as appropriate. -v2 fix-up to make checkpatch.pl compliant and remove change to the copyright line CC: Joe Perches <joe@perches.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com>
* | net: introduce and use netdev_features_t for device features setsMichał Mirosław2011-11-161-5/+7
|/ | | | | | | | | | v2: add couple missing conversions in drivers split unexporting netdev_fix_features() implemented %pNF convert sock::sk_route_(no?)caps Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: VFTA Table Fix for i350 devicesCarolyn Wyborny2011-10-211-0/+6
| | | | | | | | | | | Due to a hardware problem, writes to the VFTA register can theoretically fail. Although the likelihood of this is very low. This patch adds a shadow vfta in the adapter struct for reading and adds new write functions for these devices to work around the problem. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Move DMA Coalescing init code to separate function.Carolyn Wyborny2011-10-211-56/+68
| | | | | | | | | | This patch moves the DMA Coalescing feature initialization code from igb_reset to a new function and replaces it with a call to the new function. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: fix a compile warningRongQing Li2011-10-201-0/+3
| | | | | | | | | | | | | | | | control these three function declarations and definitions with same macro CONFIG_PCI_IOV drivers/net/ethernet/intel/igb/igb_main.c:165: warning: ‘igb_vf_configure’ declared ‘static’ but never defined drivers/net/ethernet/intel/igb/igb_main.c:166: warning: ‘igb_find_enabled_vfs’ declared ‘static’ but never defined drivers/net/ethernet/intel/igb/igb_main.c:167: warning: ‘igb_check_vf_assignment’ declared ‘static’ but never defined Signed-off-by: RongQing Li <roy.qing.li@gmail.com> Acked-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: add skb frag size accessorsEric Dumazet2011-10-191-1/+1
| | | | | | | | | | | To ease skb->truesize sanitization, its better to be able to localize all references to skb frags size. Define accessors : skb_frag_size() to fetch frag size, and skb_frag_size_{set|add|sub}() to manipulate it. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Check if subordinate VFs are assigned to virtual machinesGreg Rose2011-10-171-30/+147
| | | | | | | | | | | | | | | | | | | | | Kvm and the Xen pci-back driver will set a flag in the virtual function pci device dev_flags when the VF is assigned to a guest VM. Before destroying subordinate VFs check to see if the flag is set and if so skip the call to pci_disable_sriov() to avoid system crashes. Copy the maintainer for the Xen pci-back driver. Also CC'ing maintainers of all drivers found to call pci_disable_sriov(). V2 - Fix uninitialized variable warning Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Christian Benvenuti <benve@cisco.com> Cc: Sathya Perla <sathya.perla@emulex.com> Cc: Dimitris Michailidis <dm@chelsio.com> Cc: Jon Mason <jdmason@kudzu.us> Cc: James Smart <james.smart@emulex.com> Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: enable l4 timestamping for v2 event packetsJacob Keller2011-10-161-0/+1
| | | | | | | | | | | When enabling hardware timestamping for ptp v2 event packets, the software does not setup the queue for l4 packets, although layer 4 packets are valid for v2. This patch adds the flag which enables setting up a queue and enabling udp packet timestamping. Signed-off-by: Jacob E Keller <jacob.e.keller@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: fix skb truesize underestimationEric Dumazet2011-10-131-1/+1
| | | | | | | | e1000 allocates half a page per skb fragment. We must account PAGE_SIZE/2 increments on skb->truesize, not the actual frag length. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Version bump.Carolyn Wyborny2011-10-131-2/+2
| | | | | | | | This change updates the driver version to 3.2.10. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Add workaround for byte swapped VLAN on i350 local trafficAlexander Duyck2011-10-131-6/+23
| | | | | | | | | | | On i350 when traffic is looped back from a VF to the PF the value is byte swapped from the normal format. In order to address this we need to add a flag indicating that the ring will need to byte swap the loopback packets prior to processing them. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Drop unnecessary write of E1000_IMS from igb_msix_otherAlexander Duyck2011-10-131-6/+0Star
| | | | | | | | | | Since we mask interrupts in EIMS not in IMS there is no need to re-enable mask bits in that register. As such we can remove the write to IMS from the end of igb_msix_other. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Fix features that are currently 82580 only and should also be i350Alexander Duyck2011-10-131-9/+6Star
| | | | | | | | | | | This change allows support for per packet timesync and global device reset on the i350 adapter. These features were supported on both 82580 and i350 however it looks like several checks where not updated and as such the i350 support was not enabled. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: Make certain one vector is always assigned in igb_request_irqAlexander Duyck2011-10-131-6/+6
| | | | | | | | | | | This change makes certain that one interrupt is always initialized in igb_request_irq. In addition we drop the use of adapter->pdev and instead just call pdev since we made a local copy of the pointer earlier in the function. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: avoid unnecessarily creating a local copy of the q_vectorAlexander Duyck2011-10-131-29/+17Star
| | | | | | | | | | This is mostly a drop of unnecessary pointer defines for q_vector when we don't have issues with line width and don't have multiple references to the pointer. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: add support for NETIF_F_RXHASHAlexander Duyck2011-10-081-17/+35
| | | | | | | | This patch adds support for Rx hashing. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: move TX hang check flag into ring->flagsAlexander Duyck2011-10-081-3/+3
| | | | | | | | This change moves the Tx hang check into the ring flags. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: fix recent VLAN changes that would leave VLANs disabled after resetAlexander Duyck2011-10-081-14/+4Star
| | | | | | | | | | | | | | | This patch cleans up several issues with VLANs on igb after the recent changes that were meant to leave the VLANs enabled/disable via the netdev->features flags. Specifically the Rx VLAN settings were being dropped after reset due to the fact that they were not being restored correctly. In addition I removed the IRQ disable/enable since those were in place to protect the setting of vlgrp. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: leave staterr in place and instead us a helper function to check bitsAlexander Duyck2011-10-081-24/+31
| | | | | | | | | | Instead of doing a byte swap on the staterr bits in the Rx descriptor we can save ourselves a bit of space and some CPU time by instead just testing for the various bits out of the Rx descriptor directly. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* igb: retire the RX_CSUM flag and use the netdev flag insteadAlexander Duyck2011-10-081-16/+6Star
| | | | | | | | | Since the netdev now has its' own checksum flag to indicate if Rx checksum is enabled we might as well use that instead of using the ring flag. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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