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path: root/drivers/net/ethernet/intel/e1000e/82571.c
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2013-03-08e1000e: cleanup USLEEP_RANGE checkpatch checksBruce Allan1-6/+6
Resolve strict checkpatch USLEEP_RANGE checks by converting delays and sleeps as described in ./Documentation/timers/timers-howto.txt. Three other violations of the text have also been fixed. CHECK:USLEEP_RANGE: usleep_range is preferred over udelay; see Documentation/timers/timers-howto.txt 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>
2013-03-08e1000e: cleanup unnecessary line breaksBruce Allan1-4/+2
Cuddle broken lines where appropriate. 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>
2013-03-08e1000e: cleanup unusually placed commentsBruce Allan1-1/+1
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>
2013-03-08e1000e: cleanup (add/remove) blank lines where appropriateBruce Allan1-1/+1
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>
2013-03-08e1000e: cleanup PARENTHESIS_ALIGNMENT checkpatch checksBruce Allan1-1/+1
CHECK:PARENTHESIS_ALIGNMENT: Alignment should match open parenthesis 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>
2013-03-08e1000e: cleanup SPACING checkpatch errors and warningsBruce Allan1-1/+1
ERROR:SPACING: spaces prohibited around that ':' (ctx:WxV) ERROR:SPACING: need consistent spacing around '-' (ctx:WxV) ERROR:SPACING: space required after that ',' (ctx:VxV) ERROR:SPACING: spaces required around that '=' (ctx:VxV) WARNING:SPACING: missing space after enum definition and some similar spacing issues not reported by checkpatch. 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>
2013-03-08e1000e: cleanup CODE_INDENT checkpatch errorsBruce Allan1-9/+9
ERROR:CODE_INDENT: code indent should use tabs where possible 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>
2013-02-05e1000e: cleanup checkpatch braces checksBruce Allan1-1/+0
Resolve the following strict checkpatch checks: CHECK:BRACES: Blank lines aren't necessary after an open brace '{' CHECK:BRACES: Blank lines aren't necessary before a close brace '}' CHECK:BRACES: braces {} should be used on all arms of this statement 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>
2013-02-05e1000e: cosmetic move of #defines and prototypes to the new 82571.hBruce Allan1-15/+0
Move #defines and function prototypes specific to the 8257x family of devices (82571, 82572, 82573, 82574, 82583) to the new 82571.h header file (the convention for Intel wired ethernet drivers is to use the name of the first device in the family for related file and function names). These defines and function prototypes can be used by other files in the driver and moving them to the 8257x-family-specific file makes it clearer to which devices they are applicable. 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>
2013-02-01e1000e: use generic IEEE MII definitionsBruce Allan1-2/+2
For standard IEEE MII-compatible transceivers, the kernel has generic register and bit definitions. Use those instead of redundant local defines. Do not replace references of MII_CR_SPEED_10 with BMCR_SPEED10 (0x0000) when it is not necessary (i.e. when it is bitwise OR'ed with another value). Some whitespace issues in the surrounding context of the above changes are also cleaned up. 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>
2013-02-01e1000e: cleanup some whitespace and indentation issuesBruce Allan1-6/+7
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>
2013-01-28e1000e: cleanup: rename e1000_get_cfg_done()Bruce Allan1-2/+2
In keeping with the e1000e driver function naming convention, the subject function is renamed to indicate it is generic, i.e. it is applicable to more than just a single MAC family (e.g. 80003es2lan, 82571, ich8lan). 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>
2013-01-27e1000e: cleanup: do not assign a variable a value when not necessaryBruce Allan1-3/+3
Static analysis with cppcheck has shown a few instances of a variable being reassigned a value before the old one has been used. None of these ever require the old value to be used so remove the old values. 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>
2013-01-27e1000e: do not ignore variables which get set a valueBruce Allan1-3/+5
Static analysis with cppcheck has shown a few instances of a variable which is assigned a value that is never used. A number of these are the return status of various driver function calls which should be passed back to the caller of the current 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>
2013-01-27e1000e: cleanup: remove unnecessary function prototypesBruce Allan1-2/+0
...and cleanup some whitespace in other prototypes. 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>
2013-01-27e1000e: update copyright dateBruce Allan1-1/+1
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>
2013-01-18e1000e: add support for hardware timestamping on some devicesBruce Allan1-0/+2
On 82574, 82583, 82579, I217 and I218 add support for hardware time stamping of all or no Rx packets and Tx packets which have the SKBTX_HW_TSTAMP flag set. Update the .get_ts_info ethtool operation to report the supported time stamping modes, and enable and disable hardware time stamping with the SIOCSHWTSTAMP ioctl. 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>
2012-12-01e1000e: cosmetic cleanup of commentsBruce Allan1-77/+38
Update comments to conform to the preferred style for networking code as described in ./Documentation/CodingStyle and checked for in the recently added checkpatch NETWORKING_BLOCK_COMMENT_STYLE test. 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>
2012-08-31e1000e: use correct type for read of 32-bit registerBruce Allan1-2/+2
The POEMB register is 32 bits, not 16. 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>
2012-08-07e1000e: 82571 Tx Data Corruption during Tx hang recoveryTushar Dave1-2/+4
A bus trace shows that while executing e1000e_down, TCTL is cleared except for the PSP bit. This occurs while in the middle of fetching a TSO packet since the Tx packet buffer is full at that point. Before the device is reset, the e1000_watchdog_task starts to run from the middle (it was apparently pre-empted earlier, although that is not in the trace) and sets TCTL.EN. At that point, 82571 transmits the corrupted packet, apparently because TCTL.MULR was cleared in the middle of fetching a packet, which is forbidden. Driver should just clear TCTL.EN in e1000_reset_hw_82571 instead of clearing the entire register, so as not to change any settings in the middle of fetching a packet. Signed-off-by: Tushar Dave <tushar.n.dave@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
2012-08-07e1000e: NIC goes up and immediately goes downTushar Dave1-3/+1
Found that commit d478eb44 was a bad commit. If the link partner is transmitting codeword (even if NULL codeword), then the RXCW.C bit will be set so check for RXCW.CW is unnecessary. Ref: RH BZ 840642 Reported-by: Fabio Futigami <ffutigam@redhat.com> Signed-off-by: Tushar Dave <tushar.n.dave@intel.com> CC: Marcelo Ricardo Leitner <mleitner@redhat.com> CC: stable <stable@vger.kernel.org> [2.6.38+] Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
2012-07-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-0/+3
Conflicts: drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
2012-07-14e1000e: Cleanup code logic in e1000_check_for_serdes_link_82571()Tushar Dave1-6/+8
Cleanup code to make it more clean and readable. Signed-off-by: Tushar Dave <tushar.n.dave@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-07-14e1000e: Correct link check logic for 82571 serdesTushar Dave1-0/+3
SYNCH bit and IV bit of RXCW register are sticky. Before examining these bits, RXCW should be read twice to filter out one-time false events and have correct values for these bits. Incorrect values of these bits in link check logic can cause weird link stability issues if auto-negotiation fails. CC: stable <stable@vger.kernel.org> [2.6.38+] Reported-by: Dean Nelson <dnelson@redhat.com> Signed-off-by: Tushar Dave <tushar.n.dave@intel.com> Reviewed-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>
2012-05-05e1000e: clear REQ and GNT in EECD (82571 && 82572)Richard Alpe1-1/+11
Clear the REQ and GNT bit in the eeprom control register (EECD). This is required if the eeprom is to be accessed with auto read EERD register. After a cold reset this doesn't matter but if PBIST MAC test was executed before booting, the register was left in a dirty state (the 2 bits where set), which caused the read operation to time out and returning 0. Reference (page 312): http://download.intel.com/design/network/manuals/316080.pdf Reported-by: Aleksandar Igic <aleksandar.igic@dektech.com.au> Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-05-03e1000e: Disable ASPM L1 on 82574Chris Boot1-1/+2
ASPM on the 82574 causes trouble. Currently the driver disables L0s for this NIC but only disables L1 if the MTU is >1500. This patch simply causes L1 to be disabled regardless of the MTU setting. Signed-off-by: Chris Boot <bootc@bootc.net> Cc: "Wyborny, Carolyn" <carolyn.wyborny@intel.com> Cc: Nix <nix@esperi.org.uk> Link: https://lkml.org/lkml/2012/3/19/362 Tested-by: Jeff Pieper <jeffrey.e.pieper@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2012-05-03e1000e: Driver workaround for IPv6 Header Extension Erratum.Matthew Vick1-0/+10
Previously, IPv6 extension header parsing was disabled for all devices supported by e1000e when using packet split mode. However, as per a silicon errata, only certain devices need this restriction and will need to disable IPv6 extension header parsing for all modes. 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>
2012-05-02e1000e: fix .ndo_set_rx_mode for 82579Bruce Allan1-1/+3
Secondary unicast and multicast addresses are added to the Receive Address registers (RAR) for most parts supported by the driver. For 82579, there is only one actual RAR and a number of Shared Receive Address registers (SHRAR) that are shared among the driver and f/w which can be reserved and write-protected by the f/w. On this device, use the SHRARs that are not taken by f/w for the additional addresses. Add a MAC ops function pointer infrastructure (similar to other MAC operations in the driver) for setting RARs, introduce a new rar_set function for 82579 and convert the existing code that sets RARs on other devices to a generic rar_set function. 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>
2012-04-27e1000e: Enable DMA Burst Mode on 82574 by default.Matthew Vick1-1/+2
Performance testing has shown that enabling DMA burst on 82574 improves performance on small packets, so enable it by default. 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>
2012-04-14e1000e: cleanup boolean logicBruce Allan1-5/+4
Replace occurrences of 'if (<bool expr> == <1|0>)' with 'if ([!]<bool expr>)' Replace occurrences of '<bool var> = (<non-bool expr>) ? true : false' with '<bool var> = <non-bool expr>'. Replace occurrence of '<bool var> = <non-bool expr>' with '<bool var> = !!<non-bool expr>' While the latter replacement is not really necessary, it is done here for consistency and clarity. No functional changes. 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>
2012-03-01e1000e: cleanup whitespace and indentationBruce Allan1-8/+6
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>
2012-02-25e1000e: rename e1000e_reload_nvm() and call as function pointerBruce Allan1-0/+1
Rename e1000e_reload_nvm() to e1000e_reload_nvm_generic() to signify the function is used for more than one MAC-family type, and set and use it as a MAC ops 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>
2012-02-25e1000e: rename e1000e_config_collision_dist() and call as function pointerBruce Allan1-0/+1
Rename e1000e_config_collision_dist() to e1000e_config_collision_dist_generic() to signify the function is used for more than one MAC-family type, and set and use it as a MAC ops 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>
2012-02-25e1000e: cleanup: rename e1000e_setup_link() and call as function pointerBruce Allan1-2/+2
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>
2012-02-25e1000e: cleanup: rename e1000e_id_led_init() and call as function pointerBruce Allan1-2/+2
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>
2012-02-14e1000e: cleanup goto statements to exit points without common workBruce Allan1-19/+11
Per ./Documentation/CodingStyle, goto statements are acceptable for the centralized exiting of functions when there are multiple exit points which share common work such as cleanup. When no common work is required for multiple exit points, the function should just return at these exit points instead of doing an unnecessary jump to a centralized return. This patch cleans up the inappropriate use of goto statements, and removes unnecessary variables (or move to a smaller scope) where possible as a result of the cleanups. 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>
2012-02-14e1000e: cleanup: always return 0Bruce Allan1-1/+1
These are a few instances of returning a value that can only be 0 so just use a 'return 0' to make it more obvious. 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>
2012-02-14e1000e: cleanup: remove unnecessary assignments just before returningBruce Allan1-3/+1
Just return the appropriate value. 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>
2012-02-10e1000e: pass pointer to hw struct for e1000_init_mac_params_XXX()Bruce Allan1-4/+3
The e1000_init_mac_params_XXX() functions (where XXX is one of the three MAC-family types 80003es2lan, 82571 and ich8lan) was not meant to require a pointer to the adapter struct but does require a pointer to the hw struct. Pass that pointer in to the functions instead. 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>
2012-02-10e1000e: remove unnecessary parenthesesBruce Allan1-1/+1
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>
2012-02-07e1000e: cleanup e1000_init_mac_params_82571()Bruce Allan1-42/+30
Combine two switch statements into one, convert a nebulous pointer to one that is a bit more in keeping with the rest of the driver code and cleanup some coding style. No change in functionality, just cosmetic changes. 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>
2012-01-27e1000e: update copyright yearBruce Allan1-1/+1
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>
2012-01-26e1000e: 82574/82583 Tx hang workaroundBruce Allan1-0/+4
On 82574/82583, there is a hardware bug which might cause a Tx hang when the internal buffer is full. Setting this bit enables a hardware fix to work around the issue. 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>
2011-10-05e1000e: make function tables constJeff Kirsher1-10/+10
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>
2011-08-27e1000e: convert to netdev features/hw_features APIBruce Allan1-5/+0
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>
2011-08-20Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/netDavid S. Miller1-2/+4
2011-08-11intel: Move the Intel wired LAN driversJeff Kirsher1-0/+2115
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>
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-26 12:58:24 +0300