- 25 Feb, 2015 5 commits
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Mitch Williams authored
When an IOMMU is in use, the packet split receive path shows a distinct advantage over the single-buffer path because it minimizes DMA mapping and unmapping. However, this is not an advantage for systems with no IOMMU. At init time, check to see if an IOMMU is enabled and enable packet split receives. Change-ID: I4f70d2e9c31bbea3dc8fd0c5734959a6e6602210 Signed-off-by:
Mitch Williams <mitch.a.williams@intel.com> Tested-by:
Jim Young <james.m.young@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Ashish Shah authored
Copy setting from ethtool to the HW specific struct to actually enable prints. Change print from i40e to i40evf to differentiate drivers in bare metal scenarios. Also update the copyright year. Change-ID: I06fee26247299a08f2e1c70fc811a9ea0931c4dd Signed-off-by:
Ashish Shah <ashish.n.shah@intel.com> Tested-by:
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Carolyn Wyborny authored
This patch adds a struct to the VSI struct to keep track of rxnfc settings done via ethtool. Without this patch, the device can only list the options available, not the current settings and this is not clear to the user. Without current settings, the available settings never changing looks like a bug. Also update the copyright year. Change-ID: I087bbfdb33b330496a671630a7586773e3b3e589 Signed-off-by:
Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by:
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Catherine Sullivan authored
Add a requested speed variable to the link_status struct to store the last speeds we requested from the firmware (the speeds the FW will be advertising with if autoneg is enabled). Use the advertised speed settings in get_settings in ethtool now that we have it. Also set the requested speed settings in set_settings in ethtool as they are requested and initialize them in probe based on what the firmware remembers as the last requested speeds. To accommodate some longer lines in this new code, and improve readability I have added two functions i40e_get_settings_link_up and i40e_get_settings_link_down which get_settings now calls first. It then does all of the settings that happen regardless of link state. Some PHY types that supported the same settings were also combined. Also update the copyright year. Change-ID: Ica0c5ac81b6069ea6a7406fce7482f7816d4455c Signed-off-by:
Catherine Sullivan <catherine.sullivan@intel.com> Tested-by:
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Paul M Stillwell Jr authored
The function i40e_debug_aq() prints information helpful in debugging admin queue commands, but it doesn't do so correctly on big endian machines. This patch adds the appropriate LExx_TO_CPU wrappers for big endian architectures. Also update the copyright year. Change-ID: I4b2dc229ed5bf6dfe35632a58cddf53c21aff4b0 Signed-off-by:
Paul M Stillwell Jr <paul.m.stillwell.jr@intel.com> Tested-by:
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- 24 Feb, 2015 35 commits
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Tino Reichardt authored
Add Byte Queue Limits (BQL) support to via-rhine driver. [edumazet] tweaked patch and changed TX_RING_SIZE from 16 to 64 Signed-off-by:
Tino Reichardt <milky-kernel@mcmilk.de> Tested-by:
Jamie Gloudon <jamie.gloudon@gmail.com> Signed-off-by:
Eric Dumazet <edumazet@google.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ian Morris authored
The IP6_TNL_TRACE macro is no longer used anywhere in the code so remove definition. Signed-off-by:
Ian Morris <ipm@chirality.org.uk> Signed-off-by:
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David S. Miller authored
Mahesh Bandewar says: ==================== (Shortened) Bonding patch series I'm shortening the earlier patch series to just two patches at this moment. Andy is going to integrate remaining 3 patches with his netlink changes and post the completed patches. These two patches are the same one from the previous patch series with some styling changes (Dave Miller's suggestions) for the churn-machine patch. ==================== Signed-off-by: -
Mahesh Bandewar authored
The Churn Detection machines detect the situation where a port is operable, but the Actor and Partner have not attached the link to an Aggregator and brought the link into operation within a bound time period. Under normal operation of the LACP, agreement between Actor and Partner should be reached very rapidly. Continued failure to reach agreement can be symptomatic of device failure. Actor-churn-detection state-machine Reviewed-by:
Nikolay Aleksandrov <nikolay@redhat.com> =================================== BEGIN=True + PortEnable=False | v +------------------------+ ActorPort.Sync=True +------------------+ | ACTOR_CHURN_MONITOR | ---------------------> | NO_ACTOR_CHURN | |========================| |==================| | ActorChurn=False | ActorPort.Sync=False | ActorChurn=False | | ActorChurn.Timer=Start | <--------------------- | | +------------------------+ +------------------+ | ^ | | ActorChurn.Timer=Expired | | ActorPort.Sync=True | | | +-----------------+ | | | ACTOR_CHURN | | | |=================| | +--------------> | ActorChurn=True | ------------+ | | +-----------------+ Similar for the Partner-churn-detection. Signed-off-by:
Mahesh Bandewar <maheshb@google.com> Signed-off-by:
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Mahesh Bandewar authored
The 802.1AX standard states: "The DA in LACPDUs is the Slow_Protocols_Multicast address." This patch enforces that and drops LACPDUs with destination MAC addresses other than Slow_Protocols_Multicast address Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-nextDavid S. Miller authored
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2015-02-23 This series contains updates to e1000e, igbvf, i40e and i40evf. David adds support for i219 devices to the e1000e driver. Jeff (me) provides two patches to cleanup igbvf, first cleans up the whitespace issues found and the second cleans up the usage of msleep(), min() and max() with usleep_range(), min_t() and max_t() respectively. Kamil updates the shadow RAM read/write functions by refactoring them to prepare for future work. Shannon renames the debugfs command "clear_stats pf" to clear_stats port" to clarify what the function really does. Mitch refactors the receive routine, by splitting the receive hot path code into two, one for packet split and one for single buffer, which improves receive performance. Disables NAPI polling sooner when closing the interface to fix an occasional panic during close which was caused by the driver trying to delete and clean rings at the same time. Also refactors reset for i40evf, since a recent change to the shutdown flow messed up the reset flow. Since i40evf_down() now holds the critical section lock, we cannot call it from the reset handler, which also holds the lock. Nicholas restricts the virtual channel opcodes should remain consistent between updates to the opcode enum. Neerav converts the VSI connection type to use a #define instead of using a magic number. Anjali updates the registers file to remove registers no longer available. Also fixes the EMPR interrupt handling, so that we won't trigger another EMPR when we receive an EMPR event. Catherine cleans up the variable an_enable since it was set and never used. Greg fixes the netdev op that allows the operator to turn MAC/VLAN spoof checking on and off so that it includes the flag for VLAN spoof checking. v2: Updated patch #10 in the series to use test_and_clear_bit() as suggested by Sergei Shtylyov ==================== Signed-off-by: -
David S. Miller authored
Petri Gynther says: ==================== net: bcmgenet: Tx init improvements Four small patches to improve bcmgenet Tx init: 1. bcmgenet_init_tx_ring() cleanup 2. rework Tx queue init 3. precalculate TxCB->bd_addr 4. rename bcmgenet_hw_params->bds_cnt and GENET_DEFAULT_BD_CNT ==================== Signed-off-by: -
Petri Gynther authored
bcmgenet_hw_params->bds_cnt and GENET_DEFAULT_BD_CNT are used only in Tx init. Rename them accordingly: - bcmgenet_hw_params->bds_cnt => bcmgenet_hw_params->tx_bds_per_q - GENET_DEFAULT_BD_CNT => GENET_Q16_TX_BD_CNT Signed-off-by:
Petri Gynther <pgynther@google.com> Signed-off-by:
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Petri Gynther authored
There is 1-to-1 mapping between TxCBs and TxBDs. Precalculate TxCB->bd_addr once in bcmgenet_init_dma() instead of doing it over and over needlessly in bcmgenet_get_txcb(). Signed-off-by:
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Petri Gynther authored
1. Rename bcmgenet_init_multiq() to bcmgenet_init_tx_queues() 2. Fix bcmgenet_init_tx_queues() function description 3. Move Tx default queue init inside bcmgenet_init_tx_queues() 4. Modify bcmgenet_init_dma() to call bcmgenet_init_tx_queues() Signed-off-by:
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Petri Gynther authored
1. Simplify function description 2. Rename function parameter write_ptr to start_ptr to better indicate use 3. Remove unnecessary local variable first_bd 4. Remove out-of-place comment "Unclassified traffic goes to ring 16" 5. Fix TDMA_WRITE_PTR register init Signed-off-by:
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David S. Miller authored
Ben Hutchings says: ==================== pktgen documentation cleanup and samples This series cleans up the pktgen documentation, adds and improves the original sample scripts. ==================== Signed-off-by: -
Ben Hutchings authored
Drop the '.o' suffix so this text properly covers both the built-in and modular cases. 'insmod pktgen' obviously won't work; the command should be modprobe. Signed-off-by:
Ben Hutchings <ben.hutchings@codethink.co.uk> Signed-off-by:
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Ben Hutchings authored
Signed-off-by:
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Ben Hutchings authored
Otherwise ^C stops the script, not just pktgen. Signed-off-by:
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Ben Hutchings authored
These scripts use the non-POSIX 'function' and 'local' keywords so they won't work with every /bin/sh. We could drop 'function' as it is a no-op, but 'local' makes for cleaner scripts. Require use of bash. Signed-off-by:
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Ben Hutchings authored
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Ben Hutchings authored
They all claimed to be two CPU examples using eth1, eth2 but that is only true in one case! Rob Jones pointed out spelling and grammar errors here, which I've also corrected. Cc: Rob Jones <rob.jones@codethink.co.uk> Signed-off-by:
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Ben Hutchings authored
This function is not used and wouldn't do anything useful as pktgen does not have an 'inject' command. Signed-off-by:
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Ben Hutchings authored
These are Robert Olsson's samples which used to be available from <ftp://robur.slu.se/pub/Linux/net-development/pktgen-testing/examples/> but currently are not. Change the documentation to refer to these consistently as 'sample scripts', matching the directory name used here. Cc: Robert Olsson <robert@herjulf.se> Signed-off-by:
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Ben Hutchings authored
Thanks to Rob Jones for suggesting some of the changes. Cc: Rob Jones <rob.jones@codethink.co.uk> Signed-off-by:
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Ben Hutchings authored
This has been updated quite a few times since 2004, and git can keep track of the actual date for us. Signed-off-by:
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Mitch Williams authored
Under rare circumstances, after a reset, set_rx_mode might get called while the watchdog is running, which will cause a deadlock on the critical section lock. To correct this, add a counter and give up trying to get the lock after fifty tries. Log a message if this happens but don't take any other action. Because this happens after a reset, all of the Rx filters are still in place and the device won't lose connectivity. We can also get stuck during shutdown, if the PF has stopped communicating with us, or if a reset is occurring. If we can't get the lock after a reasonable amount of time, just error out. Something else bad is happening anyway, so adding this filter is the least of our concern right now. Change-ID: I159731e2a82a06b389ee31b34ce336548e05baa0 Signed-off-by:
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Mitch Williams authored
A recent change to the shutdown flow messed up the reset flow. Since i40evf_down now holds the critical section lock, we cannot call it from the reset handler, which also holds the lock. To do so causes a deadlock accompanied by wailing and gnashing of teeth. This is easily triggered by running an ethtool self-test on the PF device. Instead, we move the relevant portions of i40evf_down into the reset handler and bend them to our will. Additionally, we can optimize the reinit path by not deleting the MAC and VLAN filters and then adding them back again. Instead, we just set the 'add' flag and let the watchdog resynchronize the filter list with the PF driver. We also reword a few messages to make them more consistent with the rest of the driver. Change-ID: I03dd92ae736f7719fca3564b12a2cf9b98c6cb18 Signed-off-by:
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Mitch Williams authored
When closing the interface, disable NAPI polling before any other activities. This fixes an occasional panic during close caused by the driver trying to delete and clean rings at the same time. Change-ID: Ib4d427b13d310258ea85b248d535da70ecf0c1e9 Signed-off-by:
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Greg Rose authored
The netdev op that allows the operator to turn MAC/VLAN spoof checking on and off did not include the flag for VLAN spoof checking. This patch fixes that problem. Change-ID: Ib4c9e639024a854592d97af22706544881ac3fcb Signed-off-by:
Greg Rose <gregory.v.rose@intel.com> Tested-by:
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Sravanthi Tangeda authored
Bump i40e to 1.2.8 and i40evf to 1.2.2 Change-ID: I64f47c3367ea8ff2a53068e895d7a1f60726c871 Signed-off-by:
Sravanthi Tangeda <sravanthi.tangeda@intel.com> Tested-by:
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Catherine Sullivan authored
An_enable was never used only set so lets remove it. The function update_link_info only did two things, call get_link_info and set an_enabled. Therefore we should also remove update_link_info and change all references to it to get_link_info. Change-ID: Ie3022680fa7a94bfd495a4f5fc76a73701d85569 Signed-off-by:
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Anjali Singhai Jain authored
We shouldn't trigger another EMPR when we receive an EMPR event. This patch handles EMPR event reception with a different state so that we can do the right thing for NVM. Change-ID: I9cac70b3658600f016a65beb6fb157e1c1f9adf9 Signed-off-by:
Anjali Singhai Jain <anjali.singhai@intel.com> Tested-by:
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Anjali Singhai Jain authored
Some registers have been removed so take them out and stop updating and looking at them. Change-ID: I33da922c8de993a94dd8b8d8a2ae2146b8ca1a27 Signed-off-by:
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Neerav Parikh authored
Use #defined VSI connection type values instead of using magic numbers. Change-ID: I2f6cf7bf394d391e1c0fe61779e9e4ad8858154a Signed-off-by:
Neerav Parikh <neerav.parikh@intel.com> Tested-by:
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Nicholas Nunley authored
Until the time a more robust versioning scheme is needed/implemented all established virtual channel opcode values should remain consistent between updates to the opcode enum. This patch repositions I40E_VIRTCHNL_OP_CONFIG_RSS to the end of the enum. In its current position this opcode displaces the initial value of I40E_VIRTCHNL_OP_EVENT and will cause PF/VF compatibility issues. Going forward the expectation is either: a) All future opcode additions will be added as the last element of the enum. Once VF drivers start making use of the new commands the virtual channel version will need to be incremented and drivers will need to implement a simple version check whereby VF drivers can only load on PFs with a >= version. b) or, if needed, design and implement a more complicated API negotiation capability. In either case PF drivers should always maintain backwards compatibility with earlier VF driver versions. Change-ID: Ie245daa09a231b6680ed793d648bdcc76caefe58 Signed-off-by:
Nicholas Nunley <nicholas.d.nunley@intel.com> Tested-by:
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Mitch Williams authored
Split the receive hot path code into two, one for packet split and one for single buffer. This improves receive performance since we only need to check if the ring is in packet split mode once per NAPI poll time, not several times per packet. The single buffer code is further improved by the removal of a bunch of code and several variables that are not needed. On a receive-oriented test this can improve single-threaded throughput. Also refactor the packet split receive path to use a fixed buffer for headers, like ixgbe does. This vastly reduces the number of DMA mappings and unmappings we need to do, allowing for much better performance in the presence of an IOMMU. Lastly, correct packet split descriptor types now that we are actually using them. Change-ID: I3a194a93af3d2c31e77ff17644ac7376da6f3e4b Signed-off-by:
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Shannon Nelson authored
Change debugfs command from "clear_stats pf" to "clear_stats port" to be clearer what the action is. Also, limit the action to the base PF, not the NPAR partitions. Change-ID: I22aa39c0962d83a83a985097b1000ed7f8c66f3f Signed-off-by:
Shannon Nelson <shannon.nelson@intel.com> Tested-by:
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Kamil Krawczyk authored
This change is to refactor the read/write functions to support future work. Change-ID: I13150d5e3042f2c617362c0140dc7e6473ebcdee Signed-off-by:
Kamil Krawczyk <kamil.krawczyk@intel.com> Signed-off-by:
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