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2011-04-06benet: convert to set_phys_idstephen hemminger
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06bnx2x: convert to set_phys_idstephen hemminger
Also cleanup error codes to no lie about things that driver doesn't support. If device is down report -EAGAIN (same as Broadcom), and if port doesn't blink then error as well. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06bnx2: convert to set_phys_idstephen hemminger
In this case, need to add element to device private to hold original led state. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06vxge: convert to set_phys_idstephen hemminger
Also fix up incorrect docbook comment Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06cxgb3: implement set_phys_idstephen hemminger
Implement new ethtool set_phys_id on Chelsio cxgb3 board. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: implement ethtool set_phys_idstephen hemminger
Implement control of LED via set_phys_id. Note: since PHY is powered off if device is down, this board only allows blinking if device is up. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06skge: implement set_phys_idstephen hemminger
Implement set_phys_id led control on SysKonnect board. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06sky2: support ethtool set_phys_idstephen hemminger
Use ethtool set_phys_id to control LED. Fixes issues with RTNL being held for extended periods. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Update version number to 5.0.16Anirban Chakraborty
Bumped up version number to 5.0.16 Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Fix LRO disableRajesh Borundia
o In dev->open LRO was enabled by default, enable it depending upon netdev->features , kernel may have disabled it. o Configure LRO when interface is up. Signed-off-by: Rajesh Borundia <Rajesh.Borundia@qlogic.com> Signed-off-by: Anirban Chakraborty <Anirban.Chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Use flt method to determine flash fw regionSritej Velaga
Use flash layout table to get flash fw starting address and its size. If that fails, use legacy method. Signed-off-by: Sritej Velaga <sritej.velaga@qlogic.com> Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Remove unused codeAnirban Chakraborty
Cleaned up unused codes for interrupt coalescence settings Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Changes to VLAN codeAnirban Chakraborty
Made changes to VLAN code comply with new VLAN infrastructure in kernel Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Code optimization patchAnirban Chakraborty
Optimized code resulted in achieving lower CPU utilization on transmit path and higher throughput for small packet sizes (64 bytes). Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Cleanup patchAnirban Chakraborty
1. Changed adapter structure to move away from embedding hardware and receive context structs and use pointers to those objects 2. Packed all the structs that interface with FW 3. Removed unused code and structs Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Memory leak fixSony Chacko
Fix a memory leak in error path of pci info. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06qlcnic: Make PCI info available in all modesSony Chacko
Before this fix, PCI info was available only when multiple NIC functions are present on the same port. Signed-off-by: Sony Chacko <sony.chacko@qlogic.com> Signed-off-by: Anirban Chakraborty <anirban.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06can: convert protocol handling to RCUOliver Hartkopp
This patch removes spin_locks at CAN socket creation time by using RCU. Inspired by the discussion with Kurt van Dijck and Eric Dumazet the RCU code was partly derived from af_phonet.c Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net> Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06Merge branch 'for-davem' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/bwh/sfc-next-2.6
2011-04-06tg3: Support 4mb flash sizes for 5717 and 5719Matt Carlson
If a 5717 or 5719 NVRAM part is manually strapped and is 2mb in size, the driver needs to look at the NVRAM size field rather than infer it from the strapping itself. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Enable 5720 supportMatt Carlson
This patch adds the 5720 device ID to the PCI table, thus enabling 5720 support. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Add 5720 PHY IDMatt Carlson
This patch adds the 5720 PHY ID. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Add 5720 H2BMC supportMatt Carlson
This patch adds support for the new Host to BMC feature. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Add 5720 NVRAM decodingMatt Carlson
The 5720 implements its own NVRAM pin strapping scheme. This patch adds the required support. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Add 5720 ASIC revMatt Carlson
This patch adds support for the 5720 ASIC rev. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Reviewed-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Reintroduce 5717_PLUSMatt Carlson
This patch reintroduces the TG3_FLG3_5717_PLUS to identify 5717 and later devices. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: 5717_PLUS => 57765_PLUSMatt Carlson
The 57765 arrived before the 5717 and has a subset of the features supported by the 5717. This patch renames the 5717_PLUS flag so that it can be reintroduced to designate only 5717 and later devices. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-06tg3: Cleanup extended rx ring size codeMatt Carlson
Hardcoded values are used in multiple places to describe the maximum rx ring sizes. This patch replaces those values with preprocessor constants. This patch also introduces a new TG3_FLG3_LRG_PROD_RING_CAP to determine if the device is capable of supporting larger ring sizes. Signed-off-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-05sfc: Implement ethtool_ops::set_phys_id instead of ethtool_ops::phys_idBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-04-05ethtool: Change ETHTOOL_PHYS_ID implementation to allow dropping RTNLBen Hutchings
The ethtool ETHTOOL_PHYS_ID command runs for an arbitrarily long period of time, holding the RTNL lock. This blocks routing updates, device enumeration, and various important operations that one might want to keep running while hunting for the flashing LED. We need to drop the RTNL lock during this operation, but currently the core implementation is a thin wrapper around a driver operation and drivers may well depend upon holding the lock. Define a new driver operation 'set_phys_id' with an argument that sets the ID indicator on/off/inactive/active (the last optional, for any driver or firmware that prefers to handle blinking asynchronously). When this is defined, the ethtool core drops the lock while waiting and only acquires it around calls to this operation. Deprecate the 'phys_id' operation in favour of this. It can be removed once all in-tree drivers are converted. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-04-05ethtool: Fill out and update comment for struct ethtool_opsBen Hutchings
Briefly document all operations (except get_rx_ntuple), including whether they may return an error code and whether they are deprecated. Also mention some things that should be handled by the ethtool core rather than by drivers. Briefly document general requirements for callers. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-04-05ethtool: Convert struct ethtool_ops comment to kernel-doc formatBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-04-05sfc: Implement generic features interfaceBen Hutchings
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-04-05sfc: Enable all TSO features on VLANsBen Hutchings
The TSO code already supports IPv6 on VLAN, so enable it. Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
2011-04-04net: Allow no-cache copy from user on transmitTom Herbert
This patch uses __copy_from_user_nocache on transmit to bypass data cache for a performance improvement. skb_add_data_nocache and skb_copy_to_page_nocache can be called by sendmsg functions to use this feature, initial support is in tcp_sendmsg. This functionality is configurable per device using ethtool. Presumably, this feature would only be useful when the driver does not touch the data. The feature is turned on by default if a device indicates that it does some form of checksum offload; it is off by default for devices that do no checksum offload or indicate no checksum is necessary. For the former case copy-checksum is probably done anyway, in the latter case the device is likely loopback in which case the no cache copy is probably not beneficial. This patch was tested using 200 instances of netperf TCP_RR with 1400 byte request and one byte reply. Platform is 16 core AMD x86. No-cache copy disabled: 672703 tps, 97.13% utilization 50/90/99% latency:244.31 484.205 1028.41 No-cache copy enabled: 702113 tps, 96.16% utilization, 50/90/99% latency 238.56 467.56 956.955 Using 14000 byte request and response sizes demonstrate the effects more dramatically: No-cache copy disabled: 79571 tps, 34.34 %utlization 50/90/95% latency 1584.46 2319.59 5001.76 No-cache copy enabled: 83856 tps, 34.81% utilization 50/90/95% latency 2508.42 2622.62 2735.88 Note especially the effect on latency tail (95th percentile). This seems to provide a nice performance improvement and is consistent in the tests I ran. Presumably, this would provide the greatest benfits in the presence of an application workload stressing the cache and a lot of transmit data happening. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: range check STP parametersstephen hemminger
Apply restrictions on STP parameters based 802.1D 1998 standard. * Fixes missing locking in set path cost ioctl * Uses common code for both ioctl and sysfs This is based on an earlier patch Sasikanth V but with overhaul. Note: 1. It does NOT enforce the restriction on the relationship max_age and forward delay or hello time because in existing implementation these are set as independant operations. 2. If STP is disabled, there is no restriction on forward delay 3. No restriction on holding time because users use Linux code to act as hub or be sticky. 4. Although standard allow 0-255, Linux only allows 0-63 for port priority because more bits are reserved for port number. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: allow creating bridge devices with netlinkstephen hemminger
Add netlink device ops to allow creating bridge device via netlink. This works in a manner similar to vlan, macvlan and bonding. Example: # ip link add link dev br0 type bridge # ip link del dev br0 The change required rearranging initializtion code to deal with being called by create link. Most of the initialization happens in br_dev_setup, but allocation of stats is done in ndo_init callback to deal with allocation failure. Sysfs setup has to wait until after the network device kobject is registered. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: allow creating/deleting fdb entries via netlinkstephen hemminger
Use RTM_NEWNEIGH and RTM_DELNEIGH to allow updating of entries in bridge forwarding table. This allows manipulating static entries which is not possible with existing tools. Example (using bridge extensions to iproute2) # br fdb add 00:02:03:04:05:06 dev eth0 Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: add netlink notification on forward entry changesstephen hemminger
This allows applications to query and monitor bridge forwarding table in the same method used for neighbor table. The forward table entries are returned in same structure format as used by the ioctl. If more information is desired in future, the netlink method is extensible. Example (using bridge extensions to iproute2) # br monitor Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: split rcu and no-rcu cases of fdb lookupstephen hemminger
In some cases, look up of forward database entry is done with RCU; and for others no RCU is needed because of locking. Split the two cases into two differnt loops (and take off inline). Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: track last used time in forwarding tablestephen hemminger
Adds tracking the last used time in forwarding table. Rename ageing_timer to updated to better describe it. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04bridge: change arguments to fdb_createstephen hemminger
Later patch provides ability to create non-local static entry. To make this easier move the updating of the flag values to after the code that creates entry. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04pkt_sched: QFQ - quick fair queue schedulerstephen hemminger
This is an implementation of the Quick Fair Queue scheduler developed by Fabio Checconi. The same algorithm is already implemented in ipfw in FreeBSD. Fabio had an earlier version developed on Linux, I just cleaned it up. Thanks to Eric Dumazet for testing this under load. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04xen: netfront: assume all hw features are available until backend connection ↵Ian Campbell
setup We need to assume that all features will be available when registering the netdev otherwise they are ommitted from the initial set of dev->wanted_features. When we connect to the backed we reduce the set as necessary due to the call to netdev_update_features() in xennet_connect(). Signed-off-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-04Merge branch 'master' of ↵David S. Miller
master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
2011-04-03mISDN: fix "persistant" typoJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-03mlx4: fix kfree on error path in new_steering_entry()Mariusz Kozlowski
On error path kfree() should get pointer to memory allocated by kmalloc() not the address of variable holding it (which is on stack). Signed-off-by: Mariusz Kozlowski <mk@lab.zgora.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-03xen: netfront: fix declaration orderEric Dumazet
Must declare xennet_fix_features() and xennet_set_features() before using them. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-02vlan: convert VLAN devices to use ndo_fix_features()Michał Mirosław
Note: get_flags was actually broken, because it should return the flags capped with vlan_features. This is now done implicitly by limiting netdev->hw_features. RX checksumming offload control is (and was) broken, as there was no way before to say whether it's done for tagged packets. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-04-02net: Call netdev_features_change() from netdev_update_features()Michał Mirosław
Issue FEAT_CHANGE notification when features are changed by netdev_update_features(). This will allow changes made by extra constraints on e.g. MTU change to be properly propagated like changes via ethtool. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
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