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* net: Generalise wq_has_sleeper helperHerbert Xu2015-11-3013-28/+44
| | | | | | | | | | The memory barrier in the helper wq_has_sleeper is needed by just about every user of waitqueue_active. This patch generalises it by making it take a wait_queue_head_t directly. The existing helper is renamed to skwq_has_sleeper. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge tag 'wireless-drivers-next-for-davem-2015-11-25' of ↵David S. Miller2015-11-30660-314/+511
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== Add vendor directories (for example intel, marvell and so on) to drivers/net/wireless and change the menuconfig to follow the same categorisation. This unifies the directory layout as we already had few drivers already using vendor directories (especially ath and ti). ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * mac80211_hwsim: move Kconfig entry for sorting alphabeticallyKalle Valo2015-11-181-13/+13
| | | | | | | | | | | | mac80211_hwsim was not placed alphabetically correctly in menuconfig, fix that. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * ath: unify Kconfig with other vendorsKalle Valo2015-11-183-11/+12
| | | | | | | | | | | | | | Change menuconfig to config to keep the Kconfig entries unified. Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * ti: unify Kconfig with other vendorsKalle Valo2015-11-185-12/+15
| | | | | | | | | | | | | | | | | | | | | | | | Rename WL_TI to WLAN_VENDOR_TI to match with other vendor configs and make sure that it's enabled by default in new configs. Convert menuconfigs to regular configs to unify the wireless drivers menuconfig. Part of reorganising wireless drivers directory and Kconfig. Also remove WLCORE dependency to WL_TI. It should not be needed as WLCORE is already under if WLAN_VENDOR_TI. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * mediatek: unify Kconfig with other vendorsKalle Valo2015-11-183-9/+12
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * rt2x00: move under ralink vendor directoryKalle Valo2015-11-1851-4/+20
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * rsi: add vendor Kconfig entryKalle Valo2015-11-183-3/+17
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * realtek: create separate Kconfig fileKalle Valo2015-11-184-10/+24
| | | | | | | | | | | | | | Add new a Kconfig file and a vendor config for realtek. Also update MAINTAINERS which we missed to do when earlier moving rtlwifi. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * prism54: move under intersil vendor directoryKalle Valo2015-11-1821-23/+22
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * orinoco: move under intersil vendor directoryKalle Valo2015-11-1836-4/+3
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * p54: move under intersil vendor directoryKalle Valo2015-11-1822-4/+3
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * hostap: move under intersil vendor directoryKalle Valo2015-11-1825-3/+20
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * zd1211rw: move under zydas vendor directoryKalle Valo2015-11-1820-3/+5
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * zd1201: move under zydas vendor directoryKalle Valo2015-11-187-22/+37
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * mwl8k: move under marvell vendor directoryKalle Valo2015-11-186-12/+12
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * mwifiex: move under marvell vendor directoryKalle Valo2015-11-1853-4/+3
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * libertas_tf: move under marvell vendor directoryKalle Valo2015-11-1812-21/+21
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * libertas: move under marvell vendor directoryKalle Valo2015-11-1836-3/+20
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * iwlwifi: move under intel vendor directoryKalle Valo2015-11-18127-3/+4
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * iwlegacy: move under intel directoryKalle Valo2015-11-1825-3/+4
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * ipw2x00: move under intel vendor directoryKalle Valo2015-11-1818-5/+21
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * cw1200: move under st vendor directoryKalle Valo2015-11-1832-3/+20
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * brcm80211: move under broadcom vendor directoryKalle Valo2015-11-18119-12/+12
| | | | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Note that I had to edit Makefiles from subdirectories to use the new location. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * b43legacy: move under broadcom vendor directoryKalle Valo2015-11-1830-3/+3
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * b43: move under broadcom vendor directoryKalle Valo2015-11-1868-3/+20
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * atmel: move under atmel vendor directoryKalle Valo2015-11-1811-50/+65
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * airo: move under cisco vendor directoryKalle Valo2015-11-187-45/+60
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| * adm80211: move under admtek vendor directoryKalle Valo2015-11-177-30/+47
| | | | | | | | | | | | Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
* | Merge branch 'master' of ↵David S. Miller2015-11-2513-140/+311
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/next-queue Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2015-11-25 This series contains updates to fm10k, i40e and i40evf. Alex Duyck fixes up fm10k to use napi_schedule_irqoff() instead of napi_schedule() since the function it is called from runs from hard interrupt context or with interrupts already disabled in netpoll. Shannon cleans up i40e and i40evf unused cd_tunneling parameter and any code comments that refer to it. Then clean up a few instances of BUG_ON, based on a Linux diatribe, especially when WARN_ON can be used. Helin fixed a issue where using ethtool RXNFC command could let receive flow hash could be set on disabled queues, so resolve by returning the number of enabled queues before setting RXNFC. Anjali fixes a MSS issue where the hardware/NVM sets a limit of no less than 256 bytes for MSS, yet the stack can send as low as 76 byte MSS. Fixed the issue by lowering the hardware limit to 64 bytes to avoid MDDs from firing and causing a reset when the MSS is lower than 256. Added a statistic to track how many times we forced to do a write back on transmit if the number of descriptors pending are less than a cache line. Catherine fixes link status changes, where polling would only change link status changes in one direction depending on what the last old data saved off was. This was due to the watchdog only calling link_event and not handle_link_event. Mitch cleans up and enhances error messages related to VF MAC/VLAN filters. v2: Dropped patch "i40e: Properly cast type for arithmetic" patch based on feedback from the community ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * | i40e: Bump version to 1.4.2Catherine Sullivan2015-11-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Bump. Change-ID: I2d1ce93b2ce74e4eef2394c932aef52cba99713f Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: create a generic configure rss functionHelin Zhang2015-11-253-52/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch renames the old pf-specific function in order to clarify its scope. This patch also creates a more generic configure RSS function with the old name. This patch also creates a new more generic function to get RSS configuration, using the appropriate method. Change-ID: Ieddca2707b708ef19f1ebccdfd03a0a0cd63d3af Signed-off-by: Helin Zhang <helin.zhang@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: rework the functions to configure RSS with similar parametersHelin Zhang2015-11-253-26/+71
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Adjust the RSS configure functions so that there is a generic way to hook to ethtool hooks. Change-ID: If446e34fcfaf1bc3320d9d319829a095b5976e67 Signed-off-by: Helin Zhang <helin.zhang@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: return the number of enabled queues for ETHTOOL_GRXRINGSHelin Zhang2015-11-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a problem where using ethtool rxnfc command could let RX flow hash be set on disabled queues. This patch fixes the problem by returning the number of enabled queues before setting rxnfc. Change-ID: Idbac86b0b47ddacc8deee7cd257e41de01cbe5c0 Signed-off-by: Helin Zhang <helin.zhang@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40evf: handle many MAC filters correctlyMitch Williams2015-11-251-8/+24
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When a lot (many hundreds) of MAC or VLAN filters are added at one time, we can overflow the Admin Queue buffer size with all the requests. Unfortunately, the driver would then calculate the message size incorrectly, causing it to be rejected by the PF. Furthermore, there was no mechanism to trigger another request to allow for configuring the rest of the filters that didn't fit into the first request. To fix this, recalculate the correct buffer size when we detect the overflow condition instead of just assuming the max buffer size. Also, don't clear the request bit in adapter->aq_required when we have an overflow, so that the rest of the filters can be processed later. Change-ID: Idd7cbbc5af31315e0dcb1b10e6a02ad9817ce65c Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e/i40evf: clean up error messagesMitch Williams2015-11-252-12/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Clean up and enhance error messages related to VF MAC/VLAN filters. Indicate which VF is having issues, and if possible indicate the MAC address or VLAN involved. Also, when an error is returned from the PF driver, print useful information about what went wrong, for the most likely cases. Change-ID: Ib3d15eef9e3369a78fd142948671e5fa26d921b8 Signed-off-by: Mitch Williams <mitch.a.williams@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e/i40evf: Add comment to #endifHelin Zhang2015-11-252-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | Add a comment to the #endif to more easily match it with its #if. Change-ID: I47eb0a60a17dc6d2f01a930e45006d2dc82e044f Signed-off-by: Helin Zhang <helin.zhang@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: Move the saving of old link info from handle_link_event to link_eventCatherine Sullivan2015-11-251-4/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The watchdog only calls link_event not handle_link_event which means that we need to save the old information in link_event. Previously when polling we were comparing current data to the old data saved the last time we actually received a link event. This means that the polling would only fix link status changes in one direction depending on what the last old data saved off was. Change-ID: Ie590f30fdbcb133d0ddad4e07e3eb1aad58255b3 Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e/i40evf: Add a stat to track how many times we have to do a force WBAnjali Singhai Jain2015-11-257-3/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When in NAPI with interrupts disabled, the HW needs to be forced to do a write back on TX if the number of descriptors pending are less than a cache line. This stat helps keep track of how many times we get into this situation. Change-ID: I76c1bcc7ebccd6bffcc5aa33bfe05f2fa1c9a984 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: Workaround fix for mss < 256 issueAnjali Singhai Jain2015-11-251-0/+27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | HW/NVM sets a limit of no less than 256 bytes for MSS. Stack can send as low as 76 bytes MSS. This patch lowers the HW limit to 64 bytes to avoid MDDs from firing and causing a reset when the MSS is lower than 256. Change-ID: I36b500a6bb227d283c3e321a7718e0672b11fab0 Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: remove BUG_ON from FCoE setupShannon Nelson2015-11-251-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no need to kill the kernel thread here. If this condition was true, the probe() would have died long before we got here. In any case, we'll get the same result when this code tries to use the VSI pointer being checked. Prompted by a recent Linus diatribe. Change-ID: I62f531cac34d4fc28ff9657d5b2d9523ae5e33a4 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: remove BUG_ON from feature string buildingShannon Nelson2015-11-251-16/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's really no reason to kill the kernel thread just because of a little info string. This reworks the code to use snprintf's limiting to assure that the string is never too long, and WARN_ON to still put out a warning that we might want to look at the feature list length. Prompted by a recent Linus diatribe. Change-ID: If52ba5ca1c2344d8bf454a31bbb805eb5d2c5802 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e: Change BUG_ON to WARN_ON in service event completeShannon Nelson2015-11-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There's no need to kill the thread and eventually the kernel in this case. In fact, the remainder of the code won't hurt anything anyway, so just complain that we're here and move along. Prompted by a recent Linus diatribe. Change-ID: Iec020d8bcfedffc1cd2553cc6905fd915bb3e670 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | i40e/i40evf: remove unused tunnel parameterShannon Nelson2015-11-252-12/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | Code was moved into a separate function some time ago. Change-ID: Icabbe71ce05cf5d716d3e1152cdd9cd41d11bcb5 Signed-off-by: Shannon Nelson <shannon.nelson@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
| * | fm10k: use napi_schedule_irqoff()Alexander Duyck2015-11-251-1/+1
|/ / | | | | | | | | | | | | | | | | | | | | The fm10k_msix_clean_rings function runs from hard interrupt context or with interrupts already disabled in netpoll. It can use napi_schedule_irqoff() instead of napi_schedule() Signed-off-by: Alexander Duyck <aduyck@mirantis.com> Tested-by: Krishneil Singh <Krishneil.k.singh@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
* | net: phy: bcm7xxx: Add entry for Broadcom BCM7435Florian Fainelli2015-11-252-0/+15
| | | | | | | | | | | | | | | | | | Add a PHY entry for the Broadcom BCM7435 chips, this is a 40nm generation Ethernet PHY which is analogous to its 7425 and 7429 counter parts. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | Merge branch 'sh_eth-remove-obsolete-platform_ids'David S. Miller2015-11-241-109/+104
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Geert Uytterhoeven says: ==================== sh_eth: Remove obsolete platform_device_id entries Since commit 3d7608e4c169af03 ("ARM: shmobile: bockw: remove legacy board file and config"), which is in v4.4-rc1, shmobile SoCs are only supported in generic DT-only ARM multi-platform builds. The sh_eth driver doesn't need to match platform devices by name anymore, hence this series removes the corresponding platform_device_id entries. Changes since v2: - More Acks, - Platform dependency has entered mainline, Changes since v1: - Protect some data and functions by #ifdef CONFIG_OF to silence unused compiler warnings on SH, - New patches 3 and 4. Thanks for applying! ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
| * | sh_eth: Remove obsolete r8a777x-ether platform_device_id entryGeert Uytterhoeven2015-11-241-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 3d7608e4c169af03 ("ARM: shmobile: bockw: remove legacy board file and config"), R-Car Gen1 SoCs are only supported in generic DT-only ARM multi-platform builds. The driver doesn't need to match platform devices by name anymore, hence remove the corresponding platform_device_id entry. Protect sh_eth_set_rate_r8a777x() and r8a777x_data by #ifdef CONFIG_OF, as they're now referenced on DT platforms only. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | sh_eth: Remove obsolete r8a7740-gether platform_device_id entryGeert Uytterhoeven2015-11-241-63/+62
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit 1fa59bda21c7fa36 ("ARM: shmobile: Remove legacy board code for Armadillo-800 EVA"), r8a7740 is only supported in generic DT-only ARM multi-platform builds. The driver doesn't need to match platform devices by name anymore, hence remove the corresponding platform_device_id entry. Protect r8a7740_data by #ifdef CONFIG_OF as it's now referenced on DT platforms only. Move it to a more logical position, in front of the r8a777x support, so we can have a single #ifdef covering all r7s* and r8a* support soon. This requires moving a few helper functions, too. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
| * | sh_eth: Remove obsolete r8a779x-ether platform_device_id entriesGeert Uytterhoeven2015-11-241-4/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since commit a483dcbfa21f919c ("ARM: shmobile: lager: Remove legacy board support"), R-Car Gen2 SoCs are only supported in generic DT-only ARM multi-platform builds. The driver doesn't need to match platform devices by name anymore, hence remove the corresponding platform_device_id entry. Protect r8a779x_data by #ifdef CONFIG_OF as it's now referenced on DT platforms only. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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