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* e1000: Use kcalloc()Yan Burman2007-04-282-31/+24
| | | | | | | | Replace kmalloc+memsetout the driver. Slightly modified by Auke Kok. Signed-off-by: Yan Burman <burman.yan@gmail.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: Use ARRAY_SIZE macro when appropriateAhmed S. Darwish2007-04-281-1/+1
| | | | | | | | A patch to use ARRAY_SIZE macro already defined in kernel.h. Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* user of the jiffies rounding code: e1000Arjan van de Ven2007-04-281-3/+3
| | | | | | | | | | | | | | | | | | | | Use the round_jiffies() function in e1000. These timers all were of the "about once a second" or "about once every X seconds" variety and several showed up in the "what wakes the cpu up" profiles that the tickless patches provide. Some timers are highly dynamic based on network load; but even on low activity systems they still show up so the rounding is done only in cases of low activity, allowing higher frequency timers in the high activity case. The various hardware watchdogs are an obvious case; they run every 2 seconds but aren't otherwise specific of exactly when they need to run. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Acked-by: Auke Kok <auke-jan.h.kok@intel.com> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge branch 'e1000-fixes' of ↵Linus Torvalds2007-04-271-46/+58
|\ | | | | | | | | | | | | | | | | master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 * 'e1000-fixes' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: e1000: FIX: Stop raw interrupts disabled nag from RT e1000: FIX: firmware handover bits e1000: FIX: be ready for incoming irq at pci_request_irq
| * e1000: FIX: Stop raw interrupts disabled nag from RTMark Huth2007-04-261-4/+1
| | | | | | | | | | | | | | | | | | | | Current e1000_xmit_frame spews raw interrupt disabled nag messages when used with RT kernel patches. This patch uses spin_trylock_irqsave, which allows RT patches to properly manage the irq semantics. Signed-off-by: Mark Huth <mhuth@mvista.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * e1000: FIX: firmware handover bitsBruce Allan2007-04-261-21/+12
| | | | | | | | | | | | | | | | | | | | | | Upon code inspection it was spotted that the firmware handover bit get/set mismatched, which may have resulted in management issues on PCI-E adapters. Setting them correctly may fix some management issues such as arp routing etc. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
| * e1000: FIX: be ready for incoming irq at pci_request_irqAuke Kok2007-04-261-21/+45
| | | | | | | | | | | | | | | | | | | | DEBUG_SHIRQ code exposed that e1000 was not ready for incoming interrupts after having called pci_request_irq. This obviously requires us to finish our software setup which assigns the irq handler before we request the irq. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | [NETDRV]: Perform missing csum_offset conversionsHerbert Xu2007-04-251-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | When csum_offset was introduced we did a conversion from csum to csum_offset where applicable. A couple of drivers were missed in this process. It was harmless to begin with since the two fields coincided. Now that we've made them different with the addition of csum_start, the missed drivers must be converted or they can't send packets out at all that require checksum offload. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-251-3/+6
| | | | | | | | | | | | | | To clearly state the intent of copying to linear sk_buffs, _offset being a overly long variant but interesting for the sake of saving some bytes. Signed-off-by: Arnaldo Carvalho de Melo <acme@ghostprotocols.net>
* | [SK_BUFF]: Convert skb->tail to sk_buff_data_tArnaldo Carvalho de Melo2007-04-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes on 64bit architectures, allowing us to combine the 4 bytes hole left by the layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4 64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN... :-) Many calculations that previously required that skb->{transport,network, mac}_header be first converted to a pointer now can be done directly, being meaningful as offsets or pointers. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SK_BUFF]: Introduce tcp_hdr(), remove skb->h.thArnaldo Carvalho de Melo2007-04-251-5/+6
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [TCP]: Introduce tcp_hdrlen() and tcp_optlen()Arnaldo Carvalho de Melo2007-04-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | The ip_hdrlen() buddy, created to reduce the number of skb->h.th-> uses and to avoid the longer, open coded equivalent. Ditched a no-op in bnx2 in the process. I wonder if we should have a BUG_ON(skb->h.th->doff < 5) in tcp_optlen()... Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SK_BUFF]: Introduce skb_transport_offset()Arnaldo Carvalho de Melo2007-04-251-5/+5
| | | | | | | | | | | | | | For the quite common 'skb->h.raw - skb->data' sequence. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SK_BUFF]: Introduce ipv6_hdr(), remove skb->nh.ipv6hArnaldo Carvalho de Melo2007-04-251-6/+4
| | | | | | | | | | | | | | | | | | | | Now the skb->nh union has just one member, .raw, i.e. it is just like the skb->mac union, strange, no? I'm just leaving it like that till the transport layer is done with, when we'll rename skb->mac.raw to skb->mac_header (or ->mac_header_offset?), ditto for ->{h,nh}. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iphArnaldo Carvalho de Melo2007-04-251-9/+7
| | | | | | | | | | Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [SK_BUFF]: Introduce skb_network_offset()Arnaldo Carvalho de Melo2007-04-251-1/+1
|/ | | | | | | For the quite common 'skb->nh.raw - skb->data' sequence. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Revert "e1000: fix NAPI performance on 4-port adapters"Linus Torvalds2007-04-191-8/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | This reverts commit 60cba200f11b6f90f35634c5cd608773ae3721b7. It's been linked to lockups of the e1000 hardware, see for example https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=229603 but it's likely that the commit itself is not really introducing the bug, but just allowing an unrelated problem to rear its ugly head (ie one current working theory is that the code exposes us to a hardware race condition by decreasing the amount of time we spend in each NAPI poll cycle). We'll revert it until root cause is known. Intel has a repeatable reproduction on two different machines and bus traces of the hardware doing something bad. Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Cc: Jeff Garzik <jeff@garzik.org> Cc: David S. Miller <davem@davemloft.net> Cc: Greg KH <gregkh@suse.de> Cc: Dave Jones <davej@redhat.com> Cc: Auke Kok <auke-jan.h.kok@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* [VLAN]: Avoid a 4-order allocation.Dan Aloni2007-03-021-8/+5
| | | | | | | | | | | | | | This patch splits the vlan_group struct into a multi-allocated struct. On x86_64, the size of the original struct is a little more than 32KB, causing a 4-order allocation, which is prune to problems caused by buddy-system external fragmentation conditions. I couldn't just use vmalloc() because vfree() cannot be called in the softirq context of the RCU callback. Signed-off-by: Dan Aloni <da-x@monatomic.org> Acked-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* Revert "e1000: fix shared interrupt warning message"Linus Torvalds2007-02-211-6/+6
| | | | | | | | | | | | | | | | | | | | | | | This reverts commit d2ed16356ff4fb9de23fbc5e5d582ce580390106. As Thomas Gleixner reports: "e1000 is not working anymore. ifup fails permanentely. ADDRCONF(NETDEV_UP): eth0: link is not ready nothing else" The broken commit was identified with "git bisect". Auke Kok says: "I think we need to drop this now. The report that says that this *fixes* something might have been on regular interrupts only. I currently suspect that it breaks all MSI interrupts, which would make sense if I look a the code. Very bad indeed." Cc: Jesse Brandeburg <jesse.brandeburg@intel.com> Acked-by: Auke Kok <auke-jan.h.kok@intel.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivialLinus Torvalds2007-02-191-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial: (25 commits) Documentation/kernel-docs.txt update. arch/cris: typo in KERN_INFO Storage class should be before const qualifier kernel/printk.c: comment fix update I/O sched Kconfig help texts - CFQ is now default, not AS. Remove duplicate listing of Cris arch from README kbuild: more doc. cleanups doc: make doc. for maxcpus= more visible drivers/net/eexpress.c: remove duplicate comment add a help text for BLK_DEV_GENERIC correct a dead URL in the IP_MULTICAST help text fix the BAYCOM_SER_HDX help text fix SCSI_SCAN_ASYNC help text trivial documentation patch for platform.txt Fix typos concerning hierarchy Fix comment typo "spin_lock_irqrestore". Fix misspellings of "agressive". drivers/scsi/a100u2w.c: trivial typo patch Correct trivial typo in log2.h. Remove useless FIND_FIRST_BIT() macro from cardbus.c. ...
| * Various typo fixes.Robert P. J. Day2007-02-171-1/+1
| | | | | | | | | | | | | | | | Correct mis-spellings of "algorithm", "appear", "consistent" and (shame, shame) "kernel". Signed-off-by: Robert P. J. Day <rpjday@mindspring.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* | e1000: allow ethtool to see link status when downKok, Auke2007-02-171-1/+1
| | | | | | | | | | | | | | | | | | By reading the MAC status register we can detect whether the MAC has seen the PHY see link. This allows us to show the link properties before the device is up in ethtool. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | e1000: remove obsolete custom pci_save_state codeKok, Auke2007-02-172-57/+2
| | | | | | | | | | | | | | | | | | Now that 2.6.19 provides a proper implementation that saves MSI, PCI-E config space, we can have the e1000 driver use those instead of it's custom implementation. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | e1000: fix shared interrupt warning messageKok, Auke2007-02-171-6/+6
|/ | | | | | | Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6Linus Torvalds2007-02-071-1/+1
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/gregkh/pci-2.6: (41 commits) Revert "PCI: remove duplicate device id from ata_piix" msi: Make MSI useable more architectures msi: Kill the msi_desc array. msi: Remove attach_msi_entry. msi: Fix msi_remove_pci_irq_vectors. msi: Remove msi_lock. msi: Kill msi_lookup_irq MSI: Combine pci_(save|restore)_msi/msix_state MSI: Remove pci_scan_msi_device() MSI: Replace pci_msi_quirk with calls to pci_no_msi() PCI: remove duplicate device id from ipr PCI: remove duplicate device id from ata_piix PCI: power management: remove noise on non-manageable hw PCI: cleanup MSI code PCI: make isa_bridge Alpha-only PCI: remove quirk_sis_96x_compatible() PCI: Speed up the Intel SMBus unhiding quirk PCI Quirk: 1k I/O space IOBL_ADR fix on P64H2 shpchp: delete trailing whitespace shpchp: remove DBG_XXX_ROUTINE ...
| * PCI: Use newly defined PCI channel offline routineLinas Vepstas2007-02-071-1/+1
| | | | | | | | | | | | | | | | | | Use newly minted routine to access the PCI channel state. Signed-off-by: Linas Vepstas <linas@linas.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* | remove NETIF_F_TSO ifdeferyArjan van de Ven2007-02-053-38/+0
| | | | | | | | | | | | | | | | | | Remove the NETIF_F_TSO #ifdef-ery in drivers/net; this was for old-old-2.4 compat (even current 2.4 has NETIF_F_TSO) but it's time to get rid of it by now. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | e1000: update version to 7.3.20-k2Auke Kok2007-02-051-1/+1
| | | | | | | | Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* | e1000: tune our dynamic itr transmit packet accountingJesse Brandeburg2007-02-051-3/+6
| | | | | | | | | | | | | | The driver was still mis-calculating the number of bytes sent during transmit, now the driver computes what appears to be exactly 100% correct byte counts (not including CRC) when figuring out how many bytes and frames were sent during the current transmit packet.
* | e1000: clear ip csum info from context descriptorBruce Allan2007-02-051-1/+2
| | | | | | | | | | | | | | | | | | Since the driver sets the IP checksum insertion bit (IXSM in Status field) in transmit context descriptors, it should clear the IP checksum bits of any garbage so as not to confuse the hardware. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* | e1000: display flow control of link status at link upAuke Kok2007-02-051-4/+11
| | | | | | | | | | | | | | Print RX/TX flow control setting at link up time to display the actual link FC properties instead of the advertised values. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* | e1000: fix NAPI performance on 4-port adaptersJesse Brandeburg2007-02-051-5/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | This fix attempts to solve a customer (IBM) reported issue with NAPI enabled e1000 having bad performance when transmitting simultaneously on four ports. The issue comes down to an interaction between NAPI, hardware interrupt balancing, and the driver rescheduling poll on the same processor. Try to fix by allowing the driver to re-enable interrupts sooner instead of polling one more time, when there was recently all the work completed in cleanup. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* | e1000: Fix MSI only interrupt handler routineJesse Brandeburg2007-02-052-42/+19
| | | | | | | | | | | | | | | | | | | | Unfortunately the read-free MSI interrupt handler needs to flush write the icr register and thus we can't be read-free. Our MSI irq routine thus becomes a lot more simpler since we don't need to track link state anymore. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* | e1000: clean up debug output definesAuke Kok2007-02-051-3/+1
| | | | | | | | | | | | Remove unused MSGOUT macro and add "\n" to function debug output. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* | e1000: simplify case handling gigabit at half duplexJesse Brandeburg2007-02-051-12/+3
|/ | | | | | | | Remvoe duplicate code handling erraneous user supplied wrong case of gigabit speed with half duplex. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
* Revert "[PATCH] e1000: disable TSO on the 82544 with slab debugging"Jeff Garzik2007-01-071-6/+0
| | | | | | | | | This reverts commit 72f3ab7462f4e153d1e8ac78e379716ad71d6923, which was superceded by commit 683a2aa339f607c8a422835161ceab68b2a5a18a ("e1000: Do not truncate TSO TCP header with 82544 workaround"), which fixed the real problem. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: Do not truncate TSO TCP header with 82544 workaroundHerbert Xu2006-12-261-0/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The e1000 driver has a workaround for 82544 on PCI-X where if the terminating byte of a buffer is at addresses 0-3 mod 8, then 4 bytes are shaved off it and defered to a new segment. This is due to an erratum that could otherwise cause TX hangs. Unfortunately this breaks TSO because it may cause the TCP header to be split over two segments which itself causes TX hangs. The solution is to pull 4 bytes of data up from the next segment rather than pushing 4 bytes off. This ensures the TCP header remains in one piece and works around the PCI-X hang. This patch is based on one from Jesse Brandeburg. This bug has been trigered by both CONFIG_DEBUG_SLAB as well as Xen. Note that the only reason we don't see this normally is because the TCP stack starts writing from the end, i.e., it writes the TCP header first then slaps on the IP header, etc. So the end of the TCP header (skb->tail - 1 here) is always aligned correctly. Had we made the start of the IP header (e.g., IPv6) 8-byte aligned instead, this would happen for normal TCP traffic as well. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Jesse Brandeburg <jesse.brandeburg@intel.com> -- Visit Openswan at http://www.openswan.org/ Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: No-delay link detection at interface upJesse Brandeburg2006-12-261-1/+2
| | | | | | | | | | | | | | Currently after an interface up, the link state is detected 2 seconds later when the first watchdog timer runs. This patch changes that by triggering the hardware to generate a link-change interrupt from the up() function instead. This has the result that the link state gets detected immediately and without races. This has the potential to speed up booting since a normal distribution boot process waits for a link before DHCP is attempted. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: 3 new driver stats for managability testingJeff Garzik2006-12-264-0/+14
| | | | | | | | | | Add 3 extra packet redirect counters for tracking purposes to make sure we can test that all packets arrive properly. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: Make the copybreak value a module parameterJesse Brandeburg2006-12-261-4/+15
| | | | | | | | | | | | | Allow the user to vary the size that copybreak works. Currently cb is enabled for packets < 256 bytes, but various tests indicate that this should be configurable for specific use cases. In addition, this parameter allows us to force never/always during testing to get full and predictable coverage of both code paths. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: Fix PBA allocation calculationsBruce Allan2006-12-262-14/+86
| | | | | | | | | | | | Assign the PBA to be large enough to contain at least 2 jumbo frames on all adapters. This dramatically increases performance on several adapters and fixes TX performance degradation issues where the PBA was misallocated in the old algorithm. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: narrow down the scope of the tipg timer tweakJesse Brandeburg2006-12-261-3/+3
| | | | | | | | | | | | the driver has (ancient) code for messing with TIPG from the 82542 days. Unfortunately this code was running on our current adapters and setting TIPG for fiber to be +1 over the copper value. This caused 1.45Mpps to be sent instead of 1.487Mpps. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: fix ethtool reported bus type for older adaptersJeff Kirsher2006-12-261-1/+1
| | | | | | | | | | For older adapters we know that they are of the PCI bus type, so we can just set this. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: fix to set the new max frame size before resetting the adapterBruce Allan2006-12-261-2/+1
| | | | | | | | | | This bugfix makes sure that the driver data reflects the full new situation before the adapter is reinitialized. Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: workaround for the ESB2 NIC RX unit issueJeff Garzik2006-12-263-0/+14
| | | | | | | | | | | In rare occasions, ESB2 systems would end up started without the RX unit being turned on. Add a check that runs post-init to work around this issue. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: disable TSO on the 82544 with slab debuggingJesse Brandeburg2006-12-261-0/+6
| | | | | | | | | | | | CONFIG_DEBUG_SLAB changes alignments of the data structures the slab allocators return. These break certain workarounds for TSO on the 82544. Since DEBUG_SLAB is relatively rare and not used for performance sensitive cases, the simplest fix is to disable TSO in this special situation. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [PATCH] e1000: Fix Wake-on-Lan with forced gigabit speedJesse Brandeburg2006-12-261-0/+14
| | | | | | | | | | | | If the user has forced gigabit speed, phy power management must be disabled; otherwise the NIC would try to negotiate to a linkspeed of 10/100 mbit on shutdown, which would lead to a total loss of link. This loss of link breaks Wake-on-Lan and IPMI. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: consolidate managability enabling/disablingJeff Garzik2006-12-263-62/+77
| | | | | | | | | | | | | Several bugs existed in how we handle manageability issues all over the driver. This patch consolidates all the managability release and init code in two single functions and call them from appropriate locations. This fixes several BMC packet redirect issues and powerup/down hiccups. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: omit stats for broken counter in 82543Jeff Garzik2006-12-263-0/+12
| | | | | | | | | | The 82543 chip does not count tx_carrier_errors properly in FD mode; report zeros instead of garbage. Originally from Jesse Brandeburg <jesse.brandeburg@intel.com>, rewritten to use feature flags by me. Signed-off-by: Jeff Garzik <jeff@garzik.org>
* e1000: For sanity, reformat e1000_set_mac_type(), struct e1000_hw[_stats]Jeff Garzik2006-12-262-287/+287
| | | | | | Makes future changes a bit more readable. Signed-off-by: Jeff Garzik <jeff@garzik.org>
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