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* ixgb: format all if( to be if (Jesse Brandeburg2008-07-11
| | | | | | | | | this patch is trivial but because I want to have everything be nice and tidy I'm updating it. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: clean up un-necessary declarationsJesse Brandeburg2008-07-11
| | | | | | Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: add copybreak parameterJesse Brandeburg2008-07-11
| | | | | | | | | copybreak code was already in the driver, allow the user to turn it off if they don't like it. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: remove lltx support and update tx routineJesse Brandeburg2008-07-11
| | | | | | | | | | a) kernel developers suggest LLTX is broken and unsafe to use, remove it. b) remember to pre-stop the queue if we won't have room c) removing lltx means we can remove our tx lock Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: fix unload race with timersJesse Brandeburg2008-07-11
| | | | | | | | | ixgb needs to call flush scheduled work to flush any timers before unregistering the netdev. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: fix race on rx_buffer_len in mtu changeJesse Brandeburg2008-07-11
| | | | | | | | | | | | some random coverage testing found that when changing mtu under heavy traffic load, NAPI would use the rx_buffer_len variable after it had been changed by change_mtu. Similar to e1000 bugs found long ago. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: move time stamp set before setting dma pointerJesse Brandeburg2008-07-11
| | | | | | | | | | a user pointed out that setting variables out of order with respect to the checks we make for tx timeout handling could result in a race where ->dma was set but ->time_stamp was set to the old value. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: don't allow too small MTUJesse Brandeburg2008-07-11
| | | | | | Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: check down state before enable irqJesse Brandeburg2008-07-11
| | | | | | | | | | in order to prevent the case where poll_disable is waiting on our device to permanently, check the flag to make sure we're not down or closing down before re-enabling interrupts. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: leave room for extra hardware memory usageJesse Brandeburg2008-07-11
| | | | | | | | | ixgb hardware (not ixgbe) has a problem where it might dma past the end of a buffer in certain cases. leave 8 bytes extra room. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: fix bug in descriptor ring due to prefetch corruptionJesse Brandeburg2008-07-11
| | | | | | | | | | there was one more bug hidden in the prefetch routines in ixgb hardware that force us to remove it completely. Writebacks were being done on descriptors with stale data due to internal hardware fifo corruption. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: repeat 32 bit ioremap cleanupJesse Brandeburg2008-07-11
| | | | | | | | | this patch has been made to many other drivers in kernel to fix the storage of 64 bit resources in 32 bit variables. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* ixgb: maybe stop tx port missed a pieceJesse Brandeburg2008-07-11
| | | | | | | | | | | back when maybe stop tx was added to the ixgb driver some mistakes were made and the driver a) didn't remove the tx lock, which is now un-necessary b) didn't change the restart code to be compliant with maybe_stop Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* netdrv: don't truncate VLAN TCI with VLAN strippingPatrick McHardy2008-07-06
| | | | | | | | | The vlan_hwaccel_{rx,receive_skb} functions expect the full TCI field for priority mappings, don't truncate the upper 4 bits. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: Jeff Garzik <jgarzik@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ixgb: convert uint16_t style integers to u16Joe Perches2008-04-16
| | | | | | | | Conglomerate of 4 separate patches by Joe. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
* Merge branch 'master' of ↵David S. Miller2008-03-27
|\ | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 Conflicts: drivers/net/usb/rndis_host.c drivers/net/wireless/b43/dma.c net/ipv6/ndisc.c
| * ixgb: remove unused variableJulia Lawall2008-03-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The variable num_group_tail_writes is initialized but never used otherwise. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @@ type T; identifier i; constant C; @@ ( extern T i; | - T i; <+... when != i - i = C; ...+> ) // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | ixgb: remove irq_semJesse Brandeburg2008-03-26
| | | | | | | | | | | | | | | | | | | | | | ixgb can remove irq_sem by auditing all the call sites to make sure that each of them makes sure the adapter is in the correct state before re-enabling interrupts. after doing this to all of our other drivers it is becoming easier. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | ixgb: move externs out of .c filesAuke Kok2008-03-26
| | | | | | | | | | Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | ixgb: convert boolean_t to boolJoe Perches2008-03-26
| | | | | | | | | | | | | | | | | | | | | | | | > send me a patch for e1000 and for ixgb and I'll happily apply those :) boolean_t to bool TRUE to true FALSE to false Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* | ixgb: add explicit state checkingJesse Brandeburg2008-03-26
|/ | | | | | | | | | In order to remove the irq_sem code we need to implement strict adapter state checking to prevent accidental double up or downs or resets. This code is largely copied from e1000/e1000e. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: add RNBC counter - no buffer count - to ethtool statsAuke Kok2008-02-24
| | | | | | | | | | | | This counter is valuable to determine if the system is unable to timely return buffers to the hardware and this counter starts to increase well before the hardware starts to drop packets. If users experience rx_no_buffer_count increasing, they should increase the amount of descriptors. That will provide more buffers for the hardware and will decrease the chance of hard drops. Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* replace code with FIELD_SIZEOFJulia Lawall2008-02-11
| | | | | | Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: enable sun hardware support for broadcom phyMatheos Worku2008-01-28
| | | | | | | | | | | | | | | Implement support for a SUN-specific PHY. SUN provides a modified 82597-based board with their own PHY that works with very little modification to the code. This patch implements this new PHY which is identified by the subvendor device ID. The device ID of the adapter remains the same. Signed-off-by: Matheos Worku <matheos.worku@sun.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb endianness annotationsAl Viro2008-01-28
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [NET]: Fix interrupt semaphore corruption in Intel drivers.David S. Miller2008-01-20
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several of the Intel ethernet drivers keep an atomic counter used to manage when to actually hit the hardware with a disable or an enable. The way the net_rx_work() breakout logic works during a pending napi_disable() is that it simply unschedules the poll even if it still has work. This can potentially leave interrupts disabled, but that is OK because all of the drivers are about to disable interrupts anyways in all such code paths that do a napi_disable(). Unfortunately, this trips up the semaphore used here in the Intel drivers. If you hit this case, when you try to bring the interface back up it won't enable interrupts. A reload of the driver module fixes it of course. So what we do is make sure all the sequences now go: napi_disable(); atomic_set(&adapter->irq_sem, 0); *_irq_disable(); which makes sure the counter is always in the correct state. Reported by Robert Olsson. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make ->poll() breakout consistent in Intel ethernet drivers.David S. Miller2008-01-09
| | | | | | | | | | | | | | | | This makes the ->poll() routines of the E100, E1000, E1000E, IXGB, and IXGBE drivers complete ->poll() consistently. Now they will all break out when the amount of RX work done is less than 'budget'. At a later time, we may want put back code to include the TX work as well (as at least one other NAPI driver does, but by in large NAPI drivers do not do this). But if so, it should be done consistently across the board to all of these drivers. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Auke Kok <auke-jan.h.kok@intel.com>
* [NET]: Do not check netif_running() and carrier state in ->poll()David S. Miller2008-01-09
| | | | | | | | | | Drivers do this to try to break out of the ->poll()'ing loop when the device is being brought administratively down. Now that we have a napi_disable() "pending" state we are going to solve that problem generically. Signed-off-by: David S. Miller <davem@davemloft.net>
* ixgb: make sure jumbos stay enabled after resetMatheos Worku2007-12-14
| | | | | | | | | | Currently a device reset (ethtool -r ethX) would cause the adapter to fall back to regular MTU sizes. Signed-off-by: Matheos Worku <matheos.worku@sun.com> Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: fix TX hangs under heavy loadAuke Kok2007-10-30
| | | | | | | | | | | | | | | A merge error occurred where we merged the wrong block here in version 1.0.120. The right condition for frags is slightly different then for the skb, so account for the difference properly and trim the TSO based size right. Originally part of a fix reported by IBM to fix TSO hangs on pSeries hardware. Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: fix sparse warningsStephen Hemminger2007-10-30
| | | | | | | | | | | | Fix sparse warnings in ixgb driver for net-2.6.24. Added a sparse fix for invalid declaration using non-constant value in ixgb_set_multi. Added a fix for the module param array index and allows int params in the array. --Auke Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: endiannessAl Viro2007-10-10
| | | | | Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [netdrvr] Stop using legacy hooks ->self_test_count, ->get_stats_countJeff Garzik2007-10-10
| | | | | | | These have been superceded by the new ->get_sset_count() hook. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [ETHTOOL] Provide default behaviors for a few ethtool sub-ioctlsJeff Garzik2007-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | For the operations get-tx-csum get-sg get-tso get-ufo the default ethtool_op_xxx behavior is fine for all drivers, so we permit op==NULL to imply the default behavior. This provides a more uniform behavior across all drivers, eliminating ethtool(8) "ioctl not supported" errors on older drivers that had not been updated for the latest sub-ioctls. The ethtool_op_xxx() functions are left exported, in case anyone wishes to call them directly from a driver-private implementation -- a not-uncommon case. Should an ethtool_op_xxx() helper remain unused for a while, except by net/core/ethtool.c, we can un-export it at a later date. [ Resolved conflicts with set/get value ethtool patch... -DaveM ] Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* drivers/net/: all drivers/net/ cleanup with ARRAY_SIZEDenis Cheng2007-10-10
| | | | | Signed-off-by: Denis Cheng <crquan@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* [NET]: Nuke SET_MODULE_OWNER macro.Ralf Baechle2007-10-10
| | | | | | | | | | | | It's been a useless no-op for long enough in 2.6 so I figured it's time to remove it. The number of people that could object because they're maintaining unified 2.4 and 2.6 drivers is probably rather small. [ Handled drivers added by netdev tree and some missed IRDA cases... -DaveM ] Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Make NAPI polling independent of struct net_device objects.Stephen Hemminger2007-10-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several devices have multiple independant RX queues per net device, and some have a single interrupt doorbell for several queues. In either case, it's easier to support layouts like that if the structure representing the poll is independant from the net device itself. The signature of the ->poll() call back goes from: int foo_poll(struct net_device *dev, int *budget) to int foo_poll(struct napi_struct *napi, int budget) The caller is returned the number of RX packets processed (or the number of "NAPI credits" consumed if you want to get abstract). The callee no longer messes around bumping dev->quota, *budget, etc. because that is all handled in the caller upon return. The napi_struct is to be embedded in the device driver private data structures. Furthermore, it is the driver's responsibility to disable all NAPI instances in it's ->stop() device close handler. Since the napi_struct is privatized into the driver's private data structures, only the driver knows how to get at all of the napi_struct instances it may have per-device. With lots of help and suggestions from Rusty Russell, Roland Dreier, Michael Chan, Jeff Garzik, and Jamal Hadi Salim. Bug fixes from Thomas Graf, Roland Dreier, Peter Zijlstra, Joseph Fannin, Scott Wood, Hans J. Koch, and Michael Chan. [ Ported to current tree and all drivers converted. Integrated Stephen's follow-on kerneldoc additions, and restored poll_list handling to the old style to fix mutual exclusion issues. -DaveM ] Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: ethtool_perm_addr only has one implementationMatthew Wilcox2007-07-31
| | | | | | | | | All drivers implement ethtool get_perm_addr the same way -- by calling the generic function. So we can inline the generic function into the caller and avoid going through the drivers. Signed-off-by: Matthew Wilcox <matthew@wil.cx> Signed-off-by: David S. Miller <davem@davemloft.net>
* ixgb: don't print error if pci_enable_msi() fails, cleanup minor leakAuke Kok2007-05-17
| | | | | | | | | | pci_enable_msi calls can fail for normal operational reasons. Driver should not print an error message in that case. Fix a leak that leaves msi enabled if pci_request_irq fails. We can remove CONFIG_PCI_MSI ifdefs alltogether Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* Fix occurrences of "the the "Michael Opdenacker2007-05-09
| | | | | Signed-off-by: Michael Opdenacker <michael@free-electrons.com> Signed-off-by: Adrian Bunk <bunk@stusta.de>
* PCI: Cleanup the includes of <linux/pci.h>Jean Delvare2007-05-02
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I noticed that many source files include <linux/pci.h> while they do not appear to need it. Here is an attempt to clean it all up. In order to find all possibly affected files, I searched for all files including <linux/pci.h> but without any other occurence of "pci" or "PCI". I removed the include statement from all of these, then I compiled an allmodconfig kernel on both i386 and x86_64 and fixed the false positives manually. My tests covered 66% of the affected files, so there could be false positives remaining. Untested files are: arch/alpha/kernel/err_common.c arch/alpha/kernel/err_ev6.c arch/alpha/kernel/err_ev7.c arch/ia64/sn/kernel/huberror.c arch/ia64/sn/kernel/xpnet.c arch/m68knommu/kernel/dma.c arch/mips/lib/iomap.c arch/powerpc/platforms/pseries/ras.c arch/ppc/8260_io/enet.c arch/ppc/8260_io/fcc_enet.c arch/ppc/8xx_io/enet.c arch/ppc/syslib/ppc4xx_sgdma.c arch/sh64/mach-cayman/iomap.c arch/xtensa/kernel/xtensa_ksyms.c arch/xtensa/platform-iss/setup.c drivers/i2c/busses/i2c-at91.c drivers/i2c/busses/i2c-mpc.c drivers/media/video/saa711x.c drivers/misc/hdpuftrs/hdpu_cpustate.c drivers/misc/hdpuftrs/hdpu_nexus.c drivers/net/au1000_eth.c drivers/net/fec_8xx/fec_main.c drivers/net/fec_8xx/fec_mii.c drivers/net/fs_enet/fs_enet-main.c drivers/net/fs_enet/mac-fcc.c drivers/net/fs_enet/mac-fec.c drivers/net/fs_enet/mac-scc.c drivers/net/fs_enet/mii-bitbang.c drivers/net/fs_enet/mii-fec.c drivers/net/ibm_emac/ibm_emac_core.c drivers/net/lasi_82596.c drivers/parisc/hppb.c drivers/sbus/sbus.c drivers/video/g364fb.c drivers/video/platinumfb.c drivers/video/stifb.c drivers/video/valkyriefb.c include/asm-arm/arch-ixp4xx/dma.h sound/oss/au1550_ac97.c I would welcome test reports for these files. I am fine with removing the untested files from the patch if the general opinion is that these changes aren't safe. The tested part would still be nice to have. Note that this patch depends on another header fixup patch I submitted to LKML yesterday: [PATCH] scatterlist.h needs types.h http://lkml.org/lkml/2007/3/01/141 Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* ixgb: ROUND_UP macro cleanup in drivers/net/ixgbMilind Arun Choudhary2007-04-28
| | | | | | | | IXGB_ROUNDUP macro cleanup ,use ALIGN Signed-off-by: Milind Arun Choudhary <milindchoudhary@gmail.com> Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
* ixgb: Use ARRAY_SIZE macro when appropriate.Ahmed S. Darwish2007-04-28
| | | | | | 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>
* [SK_BUFF]: Introduce skb_copy_to_linear_data{_offset}Arnaldo Carvalho de Melo2007-04-26
| | | | | | | 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]: Introduce tcp_hdr(), remove skb->h.thArnaldo Carvalho de Melo2007-04-26
| | | | | 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 Melo2007-04-26
| | | | | | | | | | | | 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 Melo2007-04-26
| | | | | | | 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 ip_hdr(), remove skb->nh.iphArnaldo Carvalho de Melo2007-04-26
| | | | | 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 Melo2007-04-26
| | | | | | | 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>
* [VLAN]: Avoid a 4-order allocation.Dan Aloni2007-03-02
| | | | | | | | | | | | | | 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>
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