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* igb: fix stats handlingEric Dumazet2010-10-181-14/+38
| | | | | | | | | | | | | | | | | | | | | There are currently some problems with igb. - On 32bit arches, maintaining 64bit counters without proper synchronization between writers and readers. - Stats updated every two seconds, as reported by Jesper. (Jesper provided a patch for this) - Potential problem between worker thread and ethtool -S This patch uses u64_stats_sync, and convert everything to be 64bit safe, SMP safe, even on 32bit arches. It integrates Jesper idea of providing accurate stats at the time user reads them. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Tested-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>
* igb: correct link test not being run when link is downAlexander Duyck2010-07-011-5/+3
| | | | | | | | | | | | | The igb online link test was always reporting pass because instead of checking for if_running it was checking for netif_carrier_ok. This change corrects the test so that it is run if the interface is running instead of checking for netif carrier ok. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-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>
* igb: convert igb from using PCI DMA functions to using DMA API functionsAlexander Duyck2010-04-271-4/+4
| | | | | | | | | | | | 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>
* Merge branch 'master' of ↵David S. Miller2010-04-141-0/+1
|\ | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/pcmcia/smc91c92_cs.c drivers/net/virtio_net.c
| * igb: restrict WoL for 82576 ET2 Quad Port Server AdapterStefan Assmann2010-04-131-0/+1
| | | | | | | | | | | | | | | | | | | | Restrict Wake-on-LAN to first port on 82576 ET2 quad port NICs, as it is only supported there. Signed-off-by: Stefan Assmann <sassmann@redhat.com> Acked-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>
* | igb: modify register test for i350 to reflect read only bits in RDLEN/TDLENAlexander Duyck2010-04-131-4/+4
| | | | | | | | | | | | | | | | | | | | The registers for RDLEN/TDLEN on i350 have the first 7 bits as read only. This is a change from previous hardware in which it was only the first 4 bits that were read only. 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>
* | Merge branch 'master' of ↵David S. Miller2010-04-111-0/+1
|\ \ | |/ | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/stmmac/stmmac_main.c drivers/net/wireless/wl12xx/wl1271_cmd.c drivers/net/wireless/wl12xx/wl1271_main.c drivers/net/wireless/wl12xx/wl1271_spi.c net/core/ethtool.c net/mac80211/scan.c
| * include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-301-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* | igb: add support for Intel I350 Gigabit Network ConnectionAlexander Duyck2010-03-221-0/+50
|/ | | | | | | | | | This patch adds support for the the I350 Gigabit network connection which is the follow-on part to the 82580. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: James Hearn <james.r.hearn@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Allocate rings seperately instead of as a blockAlexander Duyck2010-02-171-22/+24
| | | | | | | | | | This change makes it so that the rings are allocated seperately. As a result we can allocate them on seperate nodes at some point in the future if we so desire. 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>
* igb: Power down link when interface is downNick Nunley2010-02-171-3/+13
| | | | | | | | | This changes the behavior of the driver to power down the link when the associated interface is down, unless management is enabled. 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>
* igb: Report link status in ethtool when interface is downNick Nunley2010-02-171-1/+19
| | | | | | | | | | With this change ethtool will correctly report link status when the interface is down. Currently ethtool reports the link as not detected when the interface is down. 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>
* igb: add support for wake-on-linkNick Nunley2010-02-171-4/+7
| | | | | | | | | This adds support for wake-on-link/phy activity to the ethtool interface. 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>
* igb: check both function bits in status register in wol exceptionAlexander Duyck2009-12-231-1/+1
| | | | | | | | | | | The ethtool code for enabling Wake on Lan was not correctly checking the status register bits so as a result ports 0 and 2 were both being allowed to set WOL to enabled even though it is only supported on the first port for our adapters. 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>
* igb: Add full support for 82580 devicesAlexander Duyck2009-11-201-0/+53
| | | | | | | | | This patch makes use of the 82580 PHY and MAC support added and adds a set of supported device IDs for said hardware. 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>
* drivers/net: request_irq - Remove unnecessary leading & from second argJoe Perches2009-11-181-4/+4
| | | | | | | | | | | | Not as fancy as coccinelle. Checkpatch errors ignored. Compile tested allyesconfig x86, not all files compiled. grep -rPl --include=*.[ch] "\brequest_irq\s*\([^,\)]+,\s*\&" drivers/net | while read file ; do \ perl -i -e 'local $/; while (<>) { s@(\brequest_irq\s*\([^,\)]+,\s*)\&@\1@g ; print ; }' $file ;\ done Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'master' of ↵David S. Miller2009-11-181-0/+1
|\ | | | | | | | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/sfc/sfe4001.c drivers/net/wireless/libertas/cmd.c drivers/staging/Kconfig drivers/staging/Makefile drivers/staging/rtl8187se/Kconfig drivers/staging/rtl8192e/Kconfig
| * Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2009-10-291-13/+22
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (43 commits) net: Fix 'Re: PACKET_TX_RING: packet size is too long' netdev: usb: dm9601.c can drive a device not supported yet, add support for it qlge: Fix firmware mailbox command timeout. qlge: Fix EEH handling. AF_RAW: Augment raw_send_hdrinc to expand skb to fit iphdr->ihl (v2) bonding: fix a race condition in calls to slave MII ioctls virtio-net: fix data corruption with OOM sfc: Set ip_summed correctly for page buffers passed to GRO cnic: Fix L2CTX_STATUSB_NUM offset in context memory. MAINTAINERS: rt2x00 list is moderated airo: Reorder tests, check bounds before element mac80211: fix for incorrect sequence number on hostapd injected frames libertas spi: fix sparse errors mac80211: trivial: fix spelling in mesh_hwmp cfg80211: sme: deauthenticate on assoc failure mac80211: keep auth state when assoc fails mac80211: fix ibss joining b43: add 'struct b43_wl' missing declaration b43: Fix Bugzilla #14181 and the bug from the previous 'fix' rt2x00: Fix crypto in TX frame for rt2800usb ...
| * | headers: remove sched.h from interrupt.hAlexey Dobriyan2009-10-111-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | After m68k's task_thread_info() doesn't refer to current, it's possible to remove sched.h from interrupt.h and not break m68k! Many thanks to Heiko Carstens for allowing this. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
* | | igb: Rework how netdev->stats is handledAlexander Duyck2009-11-131-83/+88
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch does some refactoring work that I felt was needed after reviewing the changes recently submitted relating to the replacement of net_stats with netdev->stats. This patch essentially creates two different collections of stats. The first handles the adapter specific states and is stored in gstring_stats, and the second is for netdev specific stats and is stored in gstring_net_stats. 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>
* | | igb: change type for ring sizes to u16 in igb_set_ring_paramAlexander Duyck2009-11-131-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | Change the type for the ring size values to u16 and use min/max_t instead of min/max. 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>
* | | igb: Fix warnings in igb_set_ringparam()David S. Miller2009-10-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/net/igb/igb_ethtool.c: In function ‘igb_set_ringparam’: drivers/net/igb/igb_ethtool.c:744: warning: comparison of distinct pointer types lacks a cast drivers/net/igb/igb_ethtool.c:748: warning: comparison of distinct pointer types lacks a cast Casts were to u16 on the constant, but the type of new_{r,t}x_count is u32. Cast to u32 instead. Signed-off-by: David S. Miller <davem@davemloft.net>
* | | igb: misc cleanups within igb_ethtool.cAlexander Duyck2009-10-281-45/+60
| | | | | | | | | | | | | | | | | | | | | | | | This patch just goes thorugh and does several cleanups on igb_ethtool.c. 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>
* | | igb: add support for seperate tx-usecs setting in ethtoolAlexander Duyck2009-10-281-12/+37
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds support for a seperate tx-usecs interrupt moderation setting in ethtool which is supported when tx and rx interrupt vectors are sperated. 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>
* | | igb: cleanup "todo" code found in igb_ethtool.cAlexander Duyck2009-10-281-10/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves some defines into the e1000_regs.h file since this is the correct place for register defines and not inside of igb_ethtool.c 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>
* | | igb: add single vector msi-x testing to interrupt testAlexander Duyck2009-10-281-10/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change adds testing of the first msix vector to the interrupt testing. This should help with determining the cause of interrupt issues when they are encountered. 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>
* | | igb: make ethtool use core xmit map and free functionalityAlexander Duyck2009-10-281-67/+89
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This change adds a clean_rx/tx_irq type function call to the ethtool loopback testing which allows us to test the core transmit and receive functionality in 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: David S. Miller <davem@davemloft.net>
* | | igb: re-use ring configuration code in ethtool testingAlexander Duyck2009-10-281-146/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since all of the ring code is now specific to the ring instead of the adapter struct it is possible to cut a large section of code out of the ethtool testing configuraiton since we can just use the existing functions to configure the rings. 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>
* | | igb: add a flags value to the ringAlexander Duyck2009-10-281-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a flags value to the ring that cleans up some of the last remaining items from the ring in order to help seperate it from the adapter struct. By implementing these flags it becomes possible for different rings to support different functions such as rx checksumming. 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>
* | | igb: move alloc_failed and csum_err stats into per rx-ring statAlexander Duyck2009-10-281-3/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The allocation failed and checksum error stats are currently kept as a global stat. If we end up allocating the queues to multiple netdevs then the global counter doesn't make much sense. For this reason I felt it necessary to move the alloc_rx_buff_failed stat into the rx_stats portion of the rx_ring. 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>
* | | igb: add pci device pointer to ring structureAlexander Duyck2009-10-281-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | This patch adds a pci device pointer to the ring structure. The main use of this pointer is for memory mapping/unmapping of the rings. 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>
* | | igb: remove rx checksum good counterAlexander Duyck2009-10-281-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Counting packets with a good checksum can cause a significant amount of cache line bouncing due to the shared counter being written to by all of the queues. In order to avoid this I am removing the counter since we still have the checksum failed counter which will tell us if there are any issues. 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>
* | | igb: add new data structure for handling interrupts and NAPIAlexander Duyck2009-10-281-3/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a new igb_q_vector data structure to handle interrupts and NAPI. This helps to abstract the rings away from the adapter struct. In addition it allows for a bit of consolidation since a tx and rx ring can share a q_vector. 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>
* | | Merge branch 'master' of ↵David S. Miller2009-10-271-13/+22
|\ \ \ | | |/ | |/| | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/sh_eth.c
| * | igb: fix memory leak when setting ring size while interface is downAlexander Duyck2009-10-261-13/+22
| |/ | | | | | | | | | | | | | | | | | | | | | | Changing ring sizes while the interface was down was causing a double allocation of the receive and transmit rings. This issue is amplified when there are multiple rings enabled. To prevent this we need to add an additional check which will just update the ring counts when the interface is not up and skip the allocation steps. 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>
* | igb: Fix erroneous display of stats by ethtool -SAjit Khaparde2009-10-131-5/+22
| | | | | | | | | | | | | | | | | | Commit 337e067d overlooked the way offsets for netdev stats were considered. Because of this some of the stats shown by ethtool -S were wrong. This patch fixes it. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | igb: Use the instance of net_device_stats from net_device.Ajit Khaparde2009-10-071-9/+11
|/ | | | | | | | Since net_device has an instance of net_device_stats, we can remove the instance of this from the adapter structure. Signed-off-by: Ajit Khaparde <ajitk@serverengines.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netdev: drivers should make ethtool_ops constStephen Hemminger2009-09-021-1/+1
| | | | | | | No need to put ethtool_ops in data, they should be const. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: cleanup flow control configuration to make requested/current more clearAlexander Duyck2009-07-261-15/+19
| | | | | | | | | | | This patch cleans up the flow control configuration for igb to make it a bit more readable in regards to what the requested and current modes are. This should help with the maintainability of the current igb driver in regards to flow control. 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>
* igb: remove unused switch statement from igb_set_wolAlexander Duyck2009-07-261-6/+0
| | | | | | | | | There is a switch statement in igb_set_wol that defaults to break and doesn't actually do anything. As such it should 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: David S. Miller <davem@davemloft.net>
* igb: remove media type fiber as it is misleadingAlexander Duyck2009-07-261-16/+9
| | | | | | | | | | | The current igb driver only supports copper and serdes. The fiber media type is a holdover from earlier NICs as the current nics supported by igb all use serdes when communicating over a fiber connection. As a result we can remove media type fiber without losing any functionality. 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>
* igb: Record host memory receive overflow in net_statsJesper Dangaard Brouer2009-05-261-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | Based on previous patch from Jesper Dangaard Brouer. The RNBC (Receive No Buffers Count) register for the 82576, indicate that frames were received when there were no available buffers in host memory to store those frames (receive descriptor head and tail pointers were equal). The packet is still received by the NIC if there is space in the FIFO on the NIC. As the RNBC value is not a packet drop, the driver stores this value in net_stats.rx_fifo_errors to indicate that there were no system buffers available for the incoming packet. Actual dropped packets are counted in the MPC value. Saving the stats in dev->net_stats makes it visible via /proc/net/dev as "fifo", and thus viewable to ifconfig as "overruns" and 'netstat -i' as "RX-OVR". The Receive No Buffers Count (RNBC) can already be queried by ethtool -S as "rx_no_buffer_count". Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Implement reading of reg RQDPC (Receive Queue Drop Packet Count)Jesper Dangaard Brouer2009-05-261-6/+10
| | | | | | | | | | | | | | | | | | | | Based on the previous patches from Jesper Dangaard Brouer <hawk@comx.dk> Implement reading the per queue drop stats register RQDPC (Receive Queue Drop Packet Count). It counts the number of packets dropped by a queue due to lack of descriptors available. Notice RQDPC (Receive Queue Drop Packet Count) stats only gets incremented, if the DROP_EN bit it set (in the SRRCTL register for that queue). If DROP_EN bit is NOT set, then the some what equivalent count is stored in RNBC (not per queue basis). The RQDPC register is only 12 bit, thus the precision might suffer due to overrun in-netween the watchdog polling interval. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> CC: Jesper Dangaard Brouer <hawk@comx.dk> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb/igbvf: set rx csum always enabled in hw, disable via swAlexander Duyck2009-05-061-2/+6
| | | | | | | | | | | | An issue was found in which rx checksum could not be enabled without resetting the interface. The issue was the hardware enable was not being done via ethtool. To resolve this issue and prevent conflicts with VF configuration we will leave the feature always enabled in hardware, and then in software we will choose to ignore the results via a sw flag. 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>
* igb: Enable SCTP checksum offloadingJesse Brandeburg2009-04-281-3/+9
| | | | | | | | | | | | | | | | | | | | | | Originally from: Vlad Yasevich <vladislav.yasevich@hp.com> This patch, both the driver portion and the sctp code was modified by Jesse Brandeburg and is Copyright(c) 2009 Intel Corporation. Thanks go to Vlad for starting this work. Intel 82576 chipset supports SCTP checksum offloading. This patch enables this functionality in the driver. A new NETIF feature is introduced for SCTP checksum offload. If the driver supports CRC32c checksum, it can set this feature flag. The hardware can offload both transmit and receive. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: cleanup igb loopback pathAlexander Duyck2009-04-021-11/+3
| | | | | | | | | | The code path for setting up phy loopback testing was out of date and was setting bits it didn't need to. This change cleans up the code path and removes some code that has no effect on teh driver. 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>
* igb: add support for 82576 quad copper adapterAlexander Duyck2009-03-141-0/+9
| | | | | | | | | | Add support for 82576 copper adapter and necessary code to restrict wol for quad port adapter to first port. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-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>
* igb: add pf side of VMDq supportAlexander Duyck2009-02-201-1/+1
| | | | | | | | | Add the pf portion of vmdq support. This provides enough support so that VMDq is enabled, and the pf is functional without enabling vfs. 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>
* igb: transition driver to only using advanced descriptorsAlexander Duyck2009-02-161-22/+29
| | | | | | | | | | | | Currently the driver uses advanced descriptors for its main functionality, but then uses legacy when testing. This patch changes this so that advanced descriptors are used throughout and all mentions of legacy descriptors are removed. Signed-off-by: Alexander Duyck <alexander.h.duyck@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>
* igb: remove unused definesAlexander Duyck2009-02-151-5/+1
| | | | | | | | | | This patch removes all of the unused defines from the .h files contained in igb. For some defines there was a use and so I plugged them into the correct locations. 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>
generated by cgit v1.1 at 2024-12-26 07:42:22 +0000