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* ehea: Fix mem allocations which require page alignmentThomas Klein2009-01-212-30/+30
| | | | | | | | PAGE_SIZE allocations via slab are not guaranteed to be page-aligned. Fixed all memory allocations where page alignment is required by firmware. Signed-off-by: Thomas Klein <tklein@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ehea: Use net_device_ops structureThomas Klein2009-01-212-15/+20
| | | | | | | Adapt to lately introduced net_device_ops structure. Signed-off-by: Thomas Klein <tklein@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000: drop lltx, remove unnecessary lockAlexander Duyck2009-01-212-28/+3
| | | | | | | | LLTX is deprecated, don't use it. This completes the removal of LLTX from the Intel Network drivers. Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: make certain to power on optics for 82576 fiber nicsAlexander Duyck2009-01-211-0/+7
| | | | | | | | | It appears that a step was missed in the initialization of 82576 fiber nics that resulted in it not powering on the optics. 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: igb should not flag lltxAlexander Duyck2009-01-211-1/+0
| | | | | | | | | Igb has flags enabling lltx but this is a holdover from the earlier e1000 driver which the igb driver was based off of. 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>
* bnx2: annotate bp->phy_lock functionsHarvey Harrison2009-01-211-0/+10
| | | | | | | | | It looks like the locking is OK as the locks were being taken before the various phy setup functions, add the annotations as they release and reacquire the phy_lock. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb3: Replace LRO with GROHerbert Xu2009-01-215-153/+24
| | | | | | | | | | | | | | | | | This patch makes cxgb3 invoke the GRO hooks instead of LRO. As GRO has a compatible external interface to LRO this is a very straightforward replacement. I've kept the ioctl controls for per-queue LRO switches. However, we should not encourage anyone to use these. Because of that, I've also kept the skb construction code in cxgb3. Hopefully we can phase out those per-queue switches and then kill this too. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Acked-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* gre: strict physical device bindingTimo Teras2009-01-211-40/+88
| | | | | | | | | | | Check the device on receive path and allow otherwise identical devices as long as the physical device differs. This is useful for NBMA tunnels, where you want to use different gre IP for each public IP available via different physical devices. Signed-off-by: Timo Teras <timo.teras@iki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
* phylib: unsigneds go unnoticedRoel Kluin2009-01-211-4/+9
| | | | | | | | both pdata->mdc and pdata->mdio are unsigned. Notice a negative return value. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* virtio_net: add link status handlingMark McLoughlin2009-01-212-1/+47
| | | | | | | | | | | | | | | Allow the host to inform us that the link is down by adding a VIRTIO_NET_F_STATUS which indicates that device status is available in virtio_net config. This is currently useful for simulating link down conditions (e.g. using proposed qemu 'set_link' monitor command) but would also be needed if we were to support device assignment via virtio. Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> (added future masking) Signed-off-by: David S. Miller <davem@davemloft.net>
* smc91x: enable ethtool EEPROM interfaceVernon Sauder2009-01-212-2/+124
| | | | | | Signed-off-by: Vernon Sauder <vsauder@inhand.com> Acked-by: Nicolas Pitre <nico@cam.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* PS3: gelic: wireless: convert the wireless part to net_device_opsMasakazu Mokuno2009-01-211-12/+16
| | | | | | | Convert the gelic wireless driver to net_device_ops Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
* PS3: gelic: convert the ethernet part to net_device_opsMasakazu Mokuno2009-01-211-10/+14
| | | | | | | Convert the gelic driver to net_device_ops Signed-off-by: Masakazu Mokuno <mokuno@sm.sony.co.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
* tg3: remove extra castingFrancois Romieu2009-01-211-2/+2
| | | | | Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* inet: Allowing more than 64k connections and heavily optimize bind(0) time.Evgeniy Polyakov2009-01-213-9/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | With simple extension to the binding mechanism, which allows to bind more than 64k sockets (or smaller amount, depending on sysctl parameters), we have to traverse the whole bind hash table to find out empty bucket. And while it is not a problem for example for 32k connections, bind() completion time grows exponentially (since after each successful binding we have to traverse one bucket more to find empty one) even if we start each time from random offset inside the hash table. So, when hash table is full, and we want to add another socket, we have to traverse the whole table no matter what, so effectivelly this will be the worst case performance and it will be constant. Attached picture shows bind() time depending on number of already bound sockets. Green area corresponds to the usual binding to zero port process, which turns on kernel port selection as described above. Red area is the bind process, when number of reuse-bound sockets is not limited by 64k (or sysctl parameters). The same exponential growth (hidden by the green area) before number of ports reaches sysctl limit. At this time bind hash table has exactly one reuse-enbaled socket in a bucket, but it is possible that they have different addresses. Actually kernel selects the first port to try randomly, so at the beginning bind will take roughly constant time, but with time number of port to check after random start will increase. And that will have exponential growth, but because of above random selection, not every next port selection will necessary take longer time than previous. So we have to consider the area below in the graph (if you could zoom it, you could find, that there are many different times placed there), so area can hide another. Blue area corresponds to the port selection optimization. This is rather simple design approach: hashtable now maintains (unprecise and racely updated) number of currently bound sockets, and when number of such sockets becomes greater than predefined value (I use maximum port range defined by sysctls), we stop traversing the whole bind hash table and just stop at first matching bucket after random start. Above limit roughly corresponds to the case, when bind hash table is full and we turned on mechanism of allowing to bind more reuse-enabled sockets, so it does not change behaviour of other sockets. Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net> Tested-by: Denys Fedoryschenko <denys@visp.net.lb> Signed-off-by: David S. Miller <davem@davemloft.net>
* igb: Replace LRO with GROHerbert Xu2009-01-214-118/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch makes igb invoke the GRO hooks instead of LRO. As GRO has a compatible external interface to LRO this is a very straightforward replacement. Three things of note: 1) I've kept the LRO Kconfig option until we decide to enable GRO across the board at which point it can also be killed. 2) The poll_controller stuff is broken in igb as it tries to do the same work as the normal poll routine. Since poll_controller can be called in the middle of a poll, this can't be good. I noticed this because poll_controller can invoke the GRO hooks without flushing held GRO packets. However, this should be harmless (assuming the poll_controller bug above doesn't kill you first :) since the next ->poll will clear the backlog. The only time when we'll have a problem is if we're already executing the GRO code on the same ring, but that's no worse than what happens now. 3) I kept the ip_summed check before calling GRO so that we're on par with previous behaviour. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* typhoon: replace users of __constant_{endian}Harvey Harrison2009-01-212-118/+118
| | | | | | | | | The base versions handle constant folding just fine, use them directly. Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com> Acked-by: David Dillow <dave@thedillows.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* sfc: Replace LRO with GROHerbert Xu2009-01-217-214/+19
| | | | | | | | | | | | | | | | | | | | | This patch makes sfc invoke the GRO hooks instead of LRO. As GRO has a compatible external interface to LRO this is a very straightforward replacement. Everything should appear identical to the user except that the offload is now controlled by the GRO ethtool option instead of LRO. I've kept the lro module parameter as is since that's for compatibility only. I have eliminated efx_rx_mk_skb as the GRO layer can take care of all packets regardless of whether GRO is enabled or not. So the only case where we don't call GRO is if the packet checksum is absent. This is to keep the behaviour changes of the patch to a minimum. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* ixgbe: Replace LRO with GROHerbert Xu2009-01-214-89/+13
| | | | | | | | | | | | This patch makes ixgbe invoke the GRO hooks instead of LRO. As GRO has a compatible external interface to LRO this is a very straightforward replacement. As GRO uses the napi structure to track the held packets, I've modified the code paths involved to pass that along. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* dccp: Debugging functions for feature negotiationGerrit Renker2009-01-214-59/+109
| | | | | | | | | | | | | | | | | Since all feature-negotiation processing now takes place in feat.c, functions for producing verbose debugging output are concentrated there. New functions to print out values, entry records, and options are provided, and also a macro is defined to not always have the function name in the output line. Thanks a lot to Wei Yongjun and Giuseppe Galeota for help and discussion with an earlier revision of this patch. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
* dccp: Initialisation and type-checking of feature sysctlsGerrit Renker2009-01-216-31/+46
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch takes care of initialising and type-checking sysctls related to feature negotiation. Type checking is important since some of the sysctls now directly impact the feature-negotiation process. The sysctls are initialised with the known default values for each feature. For the type-checking the value constraints from RFC 4340 are used: * Sequence Window uses the specified Wmin=32, the maximum is ulong (4 bytes), tested and confirmed that it works up to 4294967295 - for Gbps speed; * Ack Ratio is between 0 .. 0xffff (2-byte unsigned integer); * CCIDs are between 0 .. 255; * request_retries, retries1, retries2 also between 0..255 for good measure; * tx_qlen is checked to be non-negative; * sync_ratelimit remains as before. Notes: ------ 1. Die s@sysctl_dccp_feat@sysctl_dccp@g since the sysctls are now in feat.c. 2. As pointed out by Arnaldo, the pattern of type-checking repeats itself in other places, sometimes with exactly the same kind of definitions (e.g. "static int zero;"). It may be a good idea (kernel janitors?) to consolidate type checking. For the sake of keeping the changeset small and in order not to affect other subsystems, I have not strived to generalise here. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
* dccp: Implement both feature-local and feature-remote Sequence Window featureGerrit Renker2009-01-216-45/+24
| | | | | | | | | | | | | | | | | | | | | | This adds full support for local/remote Sequence Window feature, from which the * sequence-number-validity (W) and * acknowledgment-number-validity (W') windows derive as specified in RFC 4340, 7.5.3. Specifically, the following is contained in this patch: * integrated new socket fields into dccp_sk; * updated the update_gsr/gss routines with regard to these fields; * updated handler code: the Sequence Window feature is located at the TX side, so the local feature is meant if the handler-rx flag is false; * the initialisation of `rcv_wnd' in reqsk is removed, since - rcv_wnd is not used by the code anywhere; - sequence number checks are not done in the LISTEN state (cf. 7.5.3); - dccp_check_req checks the Ack number validity more rigorously; * the `struct dccp_minisock' became empty and is now removed. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
* dccp: Initialisation framework for feature negotiationGerrit Renker2009-01-213-29/+57
| | | | | | | | | | | | This initialises feature negotiation from two tables, which are in turn are initialised from sysctls. As a novel feature, specifics of the implementation (e.g. that short seqnos and ECN are not yet available) are advertised for robustness. Signed-off-by: Gerrit Renker <gerrit@erg.abdn.ac.uk> Acked-by: Ian McDonald <ian.mcdonald@jandi.co.nz> Signed-off-by: David S. Miller <davem@davemloft.net>
* cxgb3: ease msi-x settings conditionsDivy Le Ray2009-01-212-8/+16
| | | | | | | | | | | The driver currently drops to line interrupt mode if it did not get all the msi-x vectors it requested. Allow msi-x settings when a minimal amount of vectors is provided. Signed-off-by: Divy Le Ray <divy@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* e1000e: Invoke VLAN GRO handlerHerbert Xu2009-01-211-2/+2
| | | | | | | | Now that VLAN has GRO support as well, we can call its GRO handler as well. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove redundant NAPI functionsBen Hutchings2009-01-2166-277/+227
| | | | | | | | | | | Following the removal of the unused struct net_device * parameter from the NAPI functions named *netif_rx_* in commit 908a7a1, they are exactly equivalent to the corresponding *napi_* functions and are therefore redundant. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* sc92031: add a link to the datasheetCesar Eduardo Barros2009-01-211-0/+3
| | | | | Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* sc92031: use device id directly instead of made-up nameCesar Eduardo Barros2009-01-212-6/+4
| | | | | | | | Instead of making up a name for the device ids, put them directly in the device id table. Also move the vendor id to pci_ids.h. Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* sc92031: inline SC92031_DESCRIPTIONCesar Eduardo Barros2009-01-211-2/+1
| | | | | | | SC92031_DESCRIPTION is only used in one place. Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* sc92031: remove meaningless version stringCesar Eduardo Barros2009-01-211-3/+0
| | | | | | | | The version string makes no sense anymore, since this driver is only maintained within the kernel. Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* sc92031: more useful banner in kernel logCesar Eduardo Barros2009-01-211-1/+9
| | | | | | | | | | | The banner currently printed when loading the module is mostly useless. Replace it with a more informative one, printed after probing the device. Output format copied from 8139cp/8139too. Signed-off-by: Cesar Eduardo Barros <cesarb@cesarb.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: constify VFTsJan Engelhardt2009-01-219-16/+16
| | | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* WAN: Convert generic HDLC drivers to netdev_ops.Krzysztof Hałasa2009-01-2125-133/+186
| | | | | | | | Also remove unneeded last_rx update from Synclink drivers. Synclink part mostly by Stephen Hemminger. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* WAN: Allow hw HDLC drivers to override dev->get_stats.Krzysztof Hałasa2009-01-211-11/+1
| | | | | | | | Use the internal get_stats() by default. Fixes LMC and wanXL drivers. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* WAN: Generic HDLC now uses IFF_WAN_HDLC private flag.Krzysztof Hałasa2009-01-212-1/+3
| | | | | Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
* wimax/i2400m: convert to net_device_opsInaky Perez-Gonzalez2009-01-211-5/+9
| | | | | Signed-off-by: Inaky Perez-Gonzalez <inaky@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* claw: convert to net_device_opsFrank Blaschka2009-01-211-5/+9
| | | | | | | claw convert to net_device_ops. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com Signed-off-by: David S. Miller <davem@davemloft.net>
* netiucv: convert to net_device_opsFrank Blaschka2009-01-211-5/+9
| | | | | | | netiucv convert to net_device_ops. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ctcm: convert to net_device_opsFrank Blaschka2009-01-211-6/+18
| | | | | | | ctcm convert to net_device_ops. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* lcs: convert to net_device_opsFrank Blaschka2009-01-211-5/+16
| | | | | | | lcs convert to net_device_ops. Signed-off-by: Frank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dmascc: convert to internal net_device_opsStephen Hemminger2009-01-211-5/+12
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dmascc: convert to net_device_opsStephen Hemminger2009-01-211-4/+8
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* mkiss: convert to internal network device statsStephen Hemminger2009-01-211-22/+12
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* scc: convert to internal net_device_opsStephen Hemminger2009-01-211-9/+10
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* yam: convert to net_device_opsStephen Hemminger2009-01-211-8/+9
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* yam: convert to internal net_device_statsStephen Hemminger2009-01-211-33/+9
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* hdlcdrv: convert to net_device_opsStephen Hemminger2009-01-211-9/+9
| | | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Thomas Sailer <t.sailer@alumni.ethz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* hdlcdrv: convert to internal net_device_statsStephen Hemminger2009-01-212-21/+7
| | | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Acked-by: Thomas Sailer <t.sailer@alumni.ethz.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
* dmascc: convert to network_device_opsStephen Hemminger2009-01-211-5/+8
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* dmascc: convert to internal network device statsStephen Hemminger2009-01-211-25/+16
| | | | | Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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