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2013-04-25e1000e: panic caused by Rx traffic arriving while interface going downBruce Allan1-2/+5
An "unable to handle kernel paging request" panic can occur when receiving traffic while the interface is going down. Wait for NAPI to be done with current context after disabling interrupts and then disable NAPI. See https://bugzilla.vyatta.com/show_bug.cgi?id=8837. Reported-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: Bruce Allan <bruce.w.allan@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-25e1000e: fix numeric overflow in phc settime methodRichard Cochran1-2/+1
The PTP Hardware Clock settime function in the e1000e driver computes nanoseconds from a struct timespec. The code converts the seconds field .tv_sec by multiplying it with NSEC_PER_SEC. However, both operands are of type long, resulting in an unintended overflow. The patch fixes the issue by using the helper function from time.h. CC: stable <stable@vger.kernel.org> Signed-off-by: Richard Cochran <richardcochran@gmail.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-25openvswitch: Use parallel_ops genl.Pravin B Shelar1-4/+8
OVS locking was recently changed to have private OVS lock which simplified overall locking. Therefore there is no need to have another global genl lock to protect OVS data structures. Following patch uses of parallel_ops genl family for OVS. This also allows more granual OVS locking using ovs_mutex for protecting OVS data structures, which gives more concurrencey. E.g multiple genl operations OVS_PACKET_CMD_EXECUTE can run in parallel, etc. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25genl: Allow concurrent genl callbacks.Pravin B Shelar2-38/+77
All genl callbacks are serialized by genl-mutex. This can become bottleneck in multi threaded case. Following patch adds an parameter to genl_family so that a particular family can get concurrent netlink callback without genl_lock held. New rw-sem is used to protect genl callback from genl family unregister. in case of parallel_ops genl-family read-lock is taken for callbacks and write lock is taken for register or unregistration for any family. In case of locked genl family semaphore and gel-mutex is locked for any openration. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25irda: irlmp_reasons[] can be staticWu Fengguang1-1/+1
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25net: remove redundant code in dev_hard_start_xmit()Eric Dumazet1-7/+0
This reverts commit 068a2de57ddf4f4 (net: release dst entry while cache-hot for GSO case too) Before GSO packet segmentation, we already take care of skb->dst if it can be released. There is no point adding extra test for every segment in the gso loop. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Krishna Kumar <krkumar2@in.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: account statistics only in tpacket_stats_uDaniel Borkmann2-23/+17
Currently, packet_sock has a struct tpacket_stats stats member for TPACKET_V1 and TPACKET_V2 statistic accounting, and with TPACKET_V3 ``union tpacket_stats_u stats_u'' was introduced, where however only statistics for TPACKET_V3 are held, and when copied to user space, TPACKET_V3 does some hackery and access also tpacket_stats' stats, although everything could have been done within the union itself. Unify accounting within the tpacket_stats_u union so that we can remove 8 bytes from packet_sock that are there unnecessary. Note that even if we switch to TPACKET_V3 and would use non mmap(2)ed option, this still works due to the union with same types + offsets, that are exposed to the user space. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: reorder a member in packet_ring_bufferDaniel Borkmann1-1/+3
There's a 4 byte hole in packet_ring_buffer structure before prb_bdqc, that can be filled with 'pending' member, thus we can reduce the overall structure size from 224 bytes to 216 bytes. This also has the side-effect, that in struct packet_sock 2*4 byte holes after the embedded packet_ring_buffer members are removed, and overall, packet_sock can be reduced by 1 cacheline: Before: size: 1344, cachelines: 21, members: 24 After: size: 1280, cachelines: 20, members: 24 Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: doc: update timestamping partDaniel Borkmann1-6/+35
Bring the timestamping section in sync with the implementation. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: if hw/sw ts enabled in rx/tx ring, report which ts we gotDaniel Borkmann2-13/+28
Currently, there is no way to find out which timestamp is reported in tpacket{,2,3}_hdr's tp_sec, tp_{n,u}sec members. It can be one of SOF_TIMESTAMPING_SYS_HARDWARE, SOF_TIMESTAMPING_RAW_HARDWARE, SOF_TIMESTAMPING_SOFTWARE, or a fallback variant late call from the PF_PACKET code in software. Therefore, report in the tp_status member of the ring buffer which timestamp has been reported for RX and TX path. This should not break anything for the following reasons: i) in RX ring path, the user needs to test for tp_status & TP_STATUS_USER, and later for other flags as well such as TP_STATUS_VLAN_VALID et al, so adding other flags will do no harm; ii) in TX ring path, time stamps with PACKET_TIMESTAMP socketoption are not available resp. had no effect except that the application setting this is buggy. Next to TP_STATUS_AVAILABLE, the user also should check for other flags such as TP_STATUS_WRONG_FORMAT to reclaim frames to the application. Thus, in case TX ts are turned off (default case), nothing happens to the application logic, and in case we want to use this new feature, we now can also check which of the ts source is reported in the status field as provided in the docs. Reported-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: minor: convert status bits into shifting formatDaniel Borkmann1-11/+11
This makes it more readable and clearer what bits are still free to use. The compiler reduces this to a constant for us anyway. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: enable hardware tx timestamping on tpacket ringDaniel Borkmann1-25/+25
Currently, we only have software timestamping for the TX ring buffer path, but this limitation stems rather from the implementation. By just reusing tpacket_get_timestamp(), we can also allow hardware timestamping just as in the RX path. Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-25packet: tx timestamping on tpacket ringWillem de Bruijn2-6/+39
When transmit timestamping is enabled at the socket level, record a timestamp on packets written to a PACKET_TX_RING. Tx timestamps are always looped to the application over the socket error queue. Software timestamps are also written back into the packet frame header in the packet ring. Reported-by: Paul Chavent <paul.chavent@onera.fr> Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24igb: Bump version of driverCarolyn Wyborny1-3/+3
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: Remove id's that will not be productized for Linux.Carolyn Wyborny2-4/+0
This patch removes id defines from the hardware files that will not be productized for Linux. These id's were not implemented for support in the base driver itself, they were just available defines. Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: Remove dead code pathMatthew Vick1-4/+0
The 82575 manual initialization scripts are not supported on 82580 and above. Rather than call the function to immediately return, clarify the code by removing this pointless function call. Signed-off-by: Matthew Vick <matthew.vick@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: Retain HW VLAN filtering while in promiscuous + VT modeGreg Rose1-1/+68
When using the new bridge FDB interface to allow SR-IOV virtual function network devices to communicate with SW bridged network devices the physical function is placed into promiscuous mode and hardware VLAN filtering is disabled. This defeats the ability to use VLAN tagging to isolate user networks. When the device is in promiscuous mode and VT mode simultaneously ensure that VLAN hardware filtering remains enabled. Signed-off-by: Greg Rose <gregory.v.rose@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: display a warning message when SmartSpeed worksKoki Sanagi1-0/+6
Current igb driver doesn't tell nothing when Link Speed is downgraded due to SmartSpeed. As a result, users suspect that there is something wrong with NIC. If the cause of it is SmartSpeed, there is no means to replace NIC. This patch make igb notify users that SmartSpeed worked. Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: Use pci_vfs_assigned instead of igb_vfs_are_assignedAlexander Duyck1-35/+1
This change makes it so that the igb driver uses the generic helper pci_vfs_assigned instead of the igb specific function igb_vfs_are_assigned. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Tested-by: Sibai Li <sibai.li@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24pci: Add SRIOV helper function to determine if VFs are assigned to guestAlexander Duyck2-0/+46
This function is meant to add a helper function that will determine if a PF has any VFs that are currently assigned to a guest. We currently have been implementing this function per driver, and going forward I would like to avoid that by making this function generic and using this helper. v2: Removed extern from declaration of pci_vfs_assigned in pci.h and return 0 if SR-IOV is disabled with is inline with other PCI SRIOV functions. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: Add SMBI semaphore to I210/I211Matthew Vick3-26/+43
It was previously thought that, since I210/I211 are single port devices, they did not need the SMBI semaphore. This is not the case. Add support for the SMBI semaphore. Signed-off-by: Matthew Vick <matthew.vick@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24igb: SERDES loopback sigdetect bit on i210 devicesAkeem G. Abodunrin1-7/+2
This patch implements SERDES loopback configuration for i210 devices by unsetting sigdetect bit, so as to fix Ethtool loopback test failure. Old sigdetect code is also simplified to take care of all devices newer than 82580 Signed-off-by: Akeem G Abodunrin <akeem.g.abodunrin@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24ixgbe: add WOL support for new subdevice IDEmil Tantilov2-0/+2
This patch adds a define and WOL support for a new subdevice ID. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24ixgbe: add SFP+ LX module supportDon Skidmore4-10/+25
This patch adds LX support to 82599 devices. This is an alternate patch to the one suggested by Stefan Behte <s.behte@babiel.com> In addition this patch includes some cleanups such as: - removed parenthesis around "x == y ||" lines inside an if statement for consistency. - grouped the sx/lx sfp types along with srlr in ixgbe_get_settings() since they all have the same supported, advertised and port values. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Reported-by: Stefan Behte <s.behte@babiel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24ixgbe: rename wol_supported to more fitting wol_enabledJacob Keller3-4/+4
The variable wol_supported really is just checking whether it is enabled, rather than whether it is supported. If it is enabled it will be supported, but this does not necessarily hold true the other way around. This patch renames the variable to avoid confusion. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24ixgbe: add driver support for x520 OCP adapter.Don Skidmore2-0/+9
This patch adds support for the new OCP x520 adapter. This support includes WoL. Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-24ixgbe: fix possible divide by zero in ixgbe_update_itrDon Skidmore1-0/+3
Protect the code by bailing out of ixgbe_update_itr() when this occurs. The next call to ixgbe_update_itr will continue to dynamically update ITR. Signed-of-by: Don Skidmore <donald.c.skidmore@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
2013-04-25netfilter: nf_nat: missing condition in nf_xfrm_me_harder()Dan Carpenter1-0/+1
This if statement was accidentally dropped in (aaa795a netfilter: nat: propagate errors from xfrm_me_harder()) so now it returns unconditionally. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2013-04-24qlcnic: Update version to 5.2.42Shahed Shaikh1-2/+2
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24qlcnic: Add identifying string for 83xx adapterHimanshu Madhani1-19/+106
o Added identifying strings for 8300 Series of adapters. o updated PCI_VENDOR_ID_QLOGIC and PCI_DEVICE_ID_824X for 8200 Series adapter. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24qlcnic: Rename the IRQ description.Himanshu Madhani2-9/+18
Here's what modified vectors will look like in the /proc/interrupts MSIx INTx ----------------------------------------- 83xx qlcnic[MB] qlcnic-ethX[Rx0] qlcnic-ethX[Rx1] .. qlcnic-ethX[RxN] qlcnic-ethx[Tx0] qlcnic[MB+Tx0+Rx0] 82xx qlcnic-ethX[Rx0] qlcnic-ethX[Rx1] .. qlcnic-ethX[Tx0+RxN] qlcnic-ethX[Tx0+Rx0] Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24qlcnic: Enable Interrupt Coalescing for 83xx adapterHimanshu Madhani4-22/+87
Enable Interrupt coalescing through ethtool on 83xx adapter. Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24qlcnic: Add eSwitch statistics supportShahed Shaikh3-1/+11
o Read eSwitch statistics from adapter and display them as part of ethtool statistics. Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24qlcnic: Take EPORT out of reset sequence before disabling PAUSEManish Chopra1-0/+25
o Disabling PAUSE requires access to EPORT registers, which may cause a wedge, if EPORT is in reset. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24qlcnic: Enhance channel configuration logsManish Chopra3-8/+28
o Add logs for various failure conditions during channel configuration. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com> Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24bnx2x: Allow recovery from second slot resetYuval Mintz1-0/+1
As part of PCIe Advanced Error Reporting flow, if a fatal PCI error occurs, the AER driver will cause bnx2x's PCI-core to reset. The driver's PCI error handlers will in turn restore the PCI configuration space values by calling `pci_restore_state'. However, as bnx2x does not save the PCI configuration after restoration, An additional fatal PCI error will leave the function in an unstable state until reboot, as the registers in the PCI configuration space will contain reset values. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24bnx2x: Fix memory leakYuval Mintz2-3/+3
There exists an `allocation race' between the CNIC and bnx2x drivers, in which both drivers allocate the same t2 memory while disregarding a possible previous allocation. Additionally, due to the current order of memory releases, some of the ILT memory in the driver is not released correctly when unloading the driver. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24bnx2x: Enhance MAC configuration for VFsDmitry Kravkov4-15/+30
Improved support for adding/removing vf mac addresses. This includes the case where HyperVisor forced the address (sampled from bulletin board), and the case where it did not in which the VF can configure its own mac address. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24bnx2x: Allow RX/TX pause control in autonegYaniv Rosner2-5/+14
Currently, when link is configured to auto-negotiate the flow control, disabling RX/TX pause via ethtool doesn't work. This fixes the behaviour, advertising asymmetric pause in case either one is exclusively enabled. Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24bnx2x: prevent GRO false checksum claimsYuval Mintz1-5/+11
This patch introduces a more robust error handling flow in case of incorrect behaviour by the FW when passing on GRO aggregations. Although this should never happen (i.e., this is merely a theoretical fix), if the bnx2x driver was to receive a GRO from FW with protocol other than IPv4/IPv6, the driver would falsely claim to have performed partial checksum and set various incorrect fields in the skb header. Current behaviour of the bnx2x driver (i.e., print an error) is insufficient. This patch remedies this by simply preventing the false claims. Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24net/mlx4_en: Add a service taskAmir Vadai3-0/+47
Add a service task to run tasks that needed to be executed periodically. Currently the only task is a watchdog to catch NIC clock overflow, to make timestamping accurate. Will move the statistics task into this framework in a later patch. Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24net/mlx4_en: Support software timestampingAmir Vadai1-0/+2
Kernel software timestamping requires that the driver calls skb_tx_timestamp just before passing the skb to the HW MAC layer. This patch adds this call. Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24net/mlx4_en: Add HW timestamping (TS) supportAmir Vadai15-17/+375
The patch allows to enable/disable HW timestamping for incoming and/or outgoing packets. It adds and initializes all structs and callbacks needed by kernel TS API. To enable/disable HW timestamping appropriate ioctl should be used. Currently HWTSTAMP_FILTER_ALL/NONE and HWTSAMP_TX_ON/OFF only are supported. When enabling TS on receive flow - VLAN stripping will be disabled. Also were made all relevant changes in RX/TX flows to consider TS request and plant HW timestamps into relevant structures. mlx4_ib was fixed to compile with new mlx4_cq_alloc() signature. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24net/mlx4_core: Read HCA frequency and map internal clockEugenia Emantayev5-1/+75
Read HCA frequency, read PCI clock bar and offset, map internal clock to PCI bar. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24net/mlx4_core: Add timestamping device capabilityEugenia Emantayev2-2/+8
Add new device capability for timestamping support and query FW to retrieve it. Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-24netlink: fix compilation after memory mapped patchesNicolas Dichtel1-4/+4
Depending of the kernel configuration (CONFIG_UIDGID_STRICT_TYPE_CHECKS), we can get the following errors: net/netlink/af_netlink.c: In function ‘netlink_queue_mmaped_skb’: net/netlink/af_netlink.c:663:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kuid_t’ net/netlink/af_netlink.c:664:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kgid_t’ net/netlink/af_netlink.c: In function ‘netlink_ring_set_copied’: net/netlink/af_netlink.c:693:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kuid_t’ net/netlink/af_netlink.c:694:14: error: incompatible types when assigning to type ‘__u32’ from type ‘kgid_t’ We must use the helpers to get the uid and gid, and also take care of user_ns. Fix suggested by Eric W. Biederman <ebiederm@xmission.com>. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-23netlink: Fix build with mmap disabled.David S. Miller1-0/+7
net/netlink/diag.c: In function 'sk_diag_put_rings_cfg': net/netlink/diag.c:28:17: error: 'struct netlink_sock' has no member named 'pg_vec_lock' net/netlink/diag.c:29:29: error: 'struct netlink_sock' has no member named 'rx_ring' net/netlink/diag.c:31:30: error: 'struct netlink_sock' has no member named 'tx_ring' net/netlink/diag.c:33:19: error: 'struct netlink_sock' has no member named 'pg_vec_lock' Reported-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-04-23mwifiex: rework round robin scheduling of bss nodes.Andreas Fenkart3-77/+29
Rotate bss prio list, so the bss next to the one served, will come first in the list of bss' with equal priority. This way we pick bss nodes in a round robin fashion. Using list rotation instead of a cur ptr simplifies iteration to calling list_for_each_entry. List rotation is done via list_move, where the head itself is temporarily removed and then re-inserted after the bss just served. Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-04-23mwifiex: replace ra_list_curr by list rotation.Andreas Fenkart4-69/+40
After a packet is successfully transmitted, ra list is rotated, so the ra next to the one transmitted, will be the first in the list. This way we pick the ra' in a round robin fashion. This significantly simplifies iteration in mwifiex_wmm_get_highest_priolist_ptr to a call to list_for_each_entry. List rotation is done via list_move, where the head itself is temporarily removed and then re-inserted after the item just transferred. Signed-off-by: Andreas Fenkart <andreas.fenkart@streamunlimited.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2013-04-23brcmfmac: add credit borrowing mechanismArend van Spriel1-8/+87
The firmware provides credits to the driver per WMM-AC. When only AC_BE are to be transmitted to the firmware the driver may use credits from other priorities to send AC_BE packets towards the firmware. Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>