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path: root/drivers/net/ethernet/intel/e1000e/e1000.h
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* e1000e: cleanup use of check_reset_block function pointerBruce Allan2012-02-25
| | | | | | | | | Replace e1000_check_reset_block() inline function with calls to the PHY ops check_reset_block function pointer. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: cleanup use of check_mng_mode function pointerBruce Allan2012-02-25
| | | | | | | | | Replace e1000_check_mng_mode() inline function with calls to the MAC ops check_mng_mode function pointer. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: cleanup: rename e1000e_setup_link() and call as function pointerBruce Allan2012-02-25
| | | | | | | | | | | | Rename e1000e_setup_link() to e1000e_setup_link_generic() to signify the function is used for more than one MAC-family type. The 82571-family has a custom setup_link function which also calls the generic function. The ich8lan-family has a custom function which should just be called via the function pointer. The 80003es2lan-family just uses the generic function. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: cleanup: rename e1000e_id_led_init() and call as function pointerBruce Allan2012-02-25
| | | | | | | | | | | | | Rename e1000e_id_led_init() to e1000e_id_led_init_generic() to signify the function is used for more than one MAC-family type. For the ich8lan MAC family, some MACs use the generic function and others use the function e1000_id_led_init_pchlan(). In all cases where e1000e_id_led_init() was called directly, change to call the function pointer to be consistent with the driver design. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: Support RXFCS feature flag.Ben Greear2012-02-24
| | | | | | | | | | | | | | This enables enabling/disabling reception of the Ethernet FCS. This can be useful when sniffing packets. For e1000e, enabling RXFCS can change the default behaviour for how the NIC handles CRC. Disabling RXFCS will take the NIC back to defaults, which can be configured as part of the module options. Signed-off-by: Ben Greear <greearb@candelatech.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: update copyright yearBruce Allan2012-01-26
| | | | | | Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: disable Early Receive DMA on ICH LOMsBruce Allan2012-01-26
| | | | | | | | | | | | Internal stress testing with jumbo frames shows the reliability of ICH9 and ICH10D devices is improved in certain corner cases by disabling the Early Receive feature. To reduce the performance impact caused by disabling this feature, the packet buffer sizes and relevant flow control settings are modified accordingly. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: use default settings for Tx Inter Packet Gap timerBruce Allan2012-01-26
| | | | | | | | | | | | | | | | Use the default hardware values for TIPG except for 80003es2lan(*). The code that is removed in this patch is either unnecessarily writing the TIPG register with the hardware default values for some devices (82571/2/3/4) or writing the wrong value for others (ICH/PCH LOMs). The only change in functionality is setting the correct default TIPG for the latter devices. (*) The correct value for 80003es2lan is already set properly in e1000_init_hw_80003es2lan() and e1000_cfg_kmrn_{10_100|1000}_80003es2lan(), and the unused flag FLAG_TIPG_MEDIUM_FOR_80003ESLAN is removed. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: pass pointer to ring struct instead of adapter structBruce Allan2012-01-26
| | | | | | | | | For ring-specific functions, pass a pointer to the ring struct instead of a pointer to the adapter struct. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: convert head, tail and itr_register offsets to __iomem pointersBruce Allan2012-01-26
| | | | | | | | | | | | | The Tx/Rx head and tail registers and itr_register are always at known addresses based on the __iomem address at which the PCI region (from BAR 0) is mapped and known offsets within the region for each of these registers. Store and use the full address rather than just the region offset to reduce unnecessary address calculations. Also, change current u8 __iomem pointers to void __iomem pointers. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: Avoid wrong check on TX hangJeff Kirsher2011-12-05
| | | | | | | | | | | | | | | | | Based on the original patch submitted my Michael Wang <wangyun@linux.vnet.ibm.com>. Descriptors may not be write-back while checking TX hang with flag FLAG2_DMA_BURST on. So when we detect hang, we just flush the descriptor and detect again for once. -v2 change 1 to true and 0 to false and remove extra () CC: Michael Wang <wangyun@linux.vnet.ibm.com> CC: Flavio Leitner <fbl@redhat.com> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* e1000e: locking bug introduced by commit 67fd4fcbBruce Allan2011-10-16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit 67fd4fcb (e1000e: convert to stats64) added the ability to update statistics more accurately and on-demand through the net_device_ops .ndo_get_stats64 hook, but introduced a locking bug on 82577/8/9 when linked at half-duplex (seen on kernels with CONFIG_DEBUG_ATOMIC_SLEEP=y and CONFIG_PROVE_LOCKING=y). The commit introduced code paths that caused a mutex to be locked in atomic contexts, e.g. an rcu_read_lock is held when irqbalance reads the stats from /sys/class/net/ethX/statistics causing the mutex to be locked to read the Phy half-duplex statistics registers. The mutex was originally introduced to prevent concurrent accesses of resources (the NVM and Phy) shared by the driver, firmware and hardware a few years back when there was an issue with the NVM getting corrupted. It was later split into two mutexes - one for the NVM and one for the Phy when it was determined the NVM, unlike the Phy, should not be protected by the software/firmware/hardware semaphore (arbitration of which is done in part with the SWFLAG bit in the EXTCNF_CTRL register). This latter semaphore should be sufficient to prevent resource contention of the Phy in the driver (i.e. the mutex for Phy accesses is not needed), but to be sure the mutex is replaced with an atomic bit flag which will warn if any contention is possible. Also add additional debug output to help determine when the sw/fw/hw semaphore is owned by the firmware or hardware. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Reported-by: Francois Romieu <romieu@fr.zoreil.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com>
* e1000e: make function tables constJeff Kirsher2011-10-05
| | | | | | | | The initial function and setup tables can be marked as constant. Reported-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com>
* e1000e: convert to netdev features/hw_features APIBruce Allan2011-08-27
| | | | | | | | | | | | Private rx_csum flags are now duplicate of netdev->features & NETIF_F_RXCSUM. Remove those duplicates and use the net_device_ops ndo_set_features. This is based on the original patch submitted by Michał Mirosław <mirq-linux@rere.qmqm.pl> Cc: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* Merge branch 'master' of ↵David S. Miller2011-08-20
|\ | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jkirsher/net-next Conflicts: drivers/net/ethernet/intel/e1000e/netdev.c
| * e1000e: convert driver to use extended descriptorsBruce Allan2011-08-19
| | | | | | | | | | | | | | | | | | | | | | | | Some features currently not supported by the driver (e.g. RSS) require the use of extended descriptors, but the driver is setup to only use legacy descriptors in all modes except for when jumbo frames are enabled on some parts. Convert the driver to always use extended descriptors in order to enable the forthcoming support of these other features. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller2011-08-20
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* intel: Move the Intel wired LAN driversJeff Kirsher2011-08-10
Moves the Intel wired LAN drivers into drivers/net/ethernet/intel/ and the necessary Kconfig and Makefile changes. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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