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2015-04-07tcp: RFC7413 option support for Fast Open serverDaniel Lee2-0/+3
Fast Open has been using the experimental option with a magic number (RFC6994) to request and grant Fast Open cookies. This patch enables the server to support the official IANA option 34 in RFC7413 in addition. The change has passed all existing Fast Open tests with both old and new options at Google. Signed-off-by: Daniel Lee <Longinus00@gmail.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Neal Cardwell <ncardwell@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-07netdevice.h: remove iflink descriptionNicolas Dichtel1-2/+1
Also move 'group' description to match the order of the net_device structure. Fixes: 7a66bbc96ce9 ("net: remove iflink field from struct net_device") Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-07netns: notify netns id eventsNicolas Dichtel1-0/+4
With this patch, netns ids that are created and deleted are advertised into the group RTNLGRP_NSID. Because callers of rtnl_net_notifyid() already know the id of the peer, there is no need to call __peernet2id() in rtnl_net_fill(). Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-07udp_tunnel: Pass UDP socket down through udp_tunnel{, 6}_xmit_skb().David Miller4-5/+8
That was we can make sure the output path of ipv4/ipv6 operate on the UDP socket rather than whatever random thing happens to be in skb->sk. Based upon a patch by Jiri Pirko. Signed-off-by: David S. Miller <davem@davemloft.net> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
2015-04-07netfilter: Pass socket pointer down through okfn().David Miller8-42/+58
On the output paths in particular, we have to sometimes deal with two socket contexts. First, and usually skb->sk, is the local socket that generated the frame. And second, is potentially the socket used to control a tunneling socket, such as one the encapsulates using UDP. We do not want to disassociate skb->sk when encapsulating in order to fix this, because that would break socket memory accounting. The most extreme case where this can cause huge problems is an AF_PACKET socket transmitting over a vxlan device. We hit code paths doing checks that assume they are dealing with an ipv4 socket, but are actually operating upon the AF_PACKET one. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-07netfilter: Add socket pointer to nf_hook_state.David Miller1-1/+6
It is currently always set to NULL, but nf_queue is adjusted to be prepared for it being set to a real socket by taking and releasing a reference to that socket when necessary. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-07netfilter: Add nf_hook_state initializer function.David Miller1-8/+18
This way we can consolidate where we setup new nf_hook_state objects, to make sure the entire thing is initialized. The only other place an nf_hook_object is instantiated is nf_queue, wherein a structure copy is used. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-07Merge branch 'for-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth-nextDavid S. Miller2-13/+17
Johan Hedberg says: ==================== pull request: bluetooth-next 2015-04-04 Here's what's probably the last bluetooth-next pull request for 4.1: - Fixes for LE advertising data & advertising parameters - Fix for race condition with HCI_RESET flag - New BNEPGETSUPPFEAT ioctl, needed for certification - New HCI request callback type to get the resulting skb - Cleanups to use BIT() macro wherever possible - Consolidate Broadcom device entries in the btusb HCI driver - Check for valid flags in CMTP, HIDP & BNEP - Disallow local privacy & OOB data combo to prevent a potential race - Expose SMP & ECDH selftest results through debugfs - Expose current Device ID info through debugfs Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller7-18/+30
Conflicts: drivers/net/ethernet/mellanox/mlx4/cmd.c net/core/fib_rules.c net/ipv4/fib_frontend.c The fib_rules.c and fib_frontend.c conflicts were locking adjustments in 'net' overlapping addition and removal of code in 'net-next'. The mlx4 conflict was a bug fix in 'net' happening in the same place a constant was being replaced with a more suitable macro. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds4-17/+10
Pull networking fixes from David Miller: 1) In TCP, don't register an FRTO for cumulatively ACK'd data that was previously SACK'd, from Neal Cardwell. 2) Need to hold RNL mutex in ipv4 multicast code namespace cleanup, from Cong WANG. 3) Similarly we have to hold RNL mutex for fib_rules_unregister(), also from Cong WANG. 4) Revert and rework netns nsid allocation fix, from Nicolas Dichtel. 5) When we encapsulate for a tunnel device, skb->sk still points to the user socket. So this leads to cases where we retraverse the ipv4/ipv6 output path with skb->sk being of some other address family (f.e. AF_PACKET). This can cause things to crash since the ipv4 output path is dereferencing an AF_PACKET socket as if it were an ipv4 one. The short term fix for 'net' and -stable is to elide these socket checks once we've entered an encapsulation sequence by testing xmit_recursion. Longer term we have a better solution wherein we pass the tunnel's socket down through the output paths, but that is way too invasive for 'net' and -stable. From Hannes Frederic Sowa. 6) l2tp_init() failure path forgets to unregister per-net ops, from Cong WANG. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: net/mlx4_core: Fix error message deprecation for ConnectX-2 cards net: dsa: fix filling routing table from OF description l2tp: unregister l2tp_net_ops on failure path mvneta: dont call mvneta_adjust_link() manually ipv6: protect skb->sk accesses from recursive dereference inside the stack netns: don't allocate an id for dead netns Revert "netns: don't clear nsid too early on removal" ip6mr: call del_timer_sync() in ip6mr_free_table() net: move fib_rules_unregister() under rtnl lock ipv4: take rtnl_lock and mark mrt table as freed on namespace cleanup tcp: fix FRTO undo on cumulative ACK of SACKed range xen-netfront: transmit fully GSO-sized packets
2015-04-06tc: bpf: add checksum helpersAlexei Starovoitov1-1/+37
Commit 608cd71a9c7c ("tc: bpf: generalize pedit action") has added the possibility to mangle packet data to BPF programs in the tc pipeline. This patch adds two helpers bpf_l3_csum_replace() and bpf_l4_csum_replace() for fixing up the protocol checksums after the packet mangling. It also adds 'flags' argument to bpf_skb_store_bytes() helper to avoid unnecessary checksum recomputations when BPF programs adjusting l3/l4 checksums and documents all three helpers in uapi header. Moreover, a sample program is added to show how BPF programs can make use of the mangle and csum helpers. Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-06ipv6: protect skb->sk accesses from recursive dereference inside the stackhannes@stressinduktion.org4-17/+10
We should not consult skb->sk for output decisions in xmit recursion levels > 0 in the stack. Otherwise local socket settings could influence the result of e.g. tunnel encapsulation process. ipv6 does not conform with this in three places: 1) ip6_fragment: we do consult ipv6_npinfo for frag_size 2) sk_mc_loop in ipv6 uses skb->sk and checks if we should loop the packet back to the local socket 3) ip6_skb_dst_mtu could query the settings from the user socket and force a wrong MTU Furthermore: In sk_mc_loop we could potentially land in WARN_ON(1) if we use a PF_PACKET socket ontop of an IPv6-backed vxlan device. Reuse xmit_recursion as we are currently only interested in protecting tunnel devices. Cc: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Pass nf_hook_state through arpt_do_table().David S. Miller1-2/+1
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Pass nf_hook_state through nft_set_pktinfo*().David S. Miller3-10/+7
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Pass nf_hook_state through ip6t_do_table().David S. Miller1-2/+1
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Pass nf_hook_state through nf_nat_ipv6_{in,out,fn,local_fn}().David S. Miller1-16/+8
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Pass nf_hook_state through ipt_do_table().David S. Miller1-2/+1
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Pass nf_hook_state through nf_nat_ipv4_{in,out,fn,local_fn}().David S. Miller1-16/+8
Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Make nf_hookfn use nf_hook_state.David S. Miller1-3/+1
Pass the nf_hook_state all the way down into the hook functions themselves. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Use nf_hook_state in nf_queue_entry.David S. Miller1-5/+1
That way we don't have to reinstantiate another nf_hook_state on the stack of the nf_reinject() path. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-04netfilter: Create and use nf_hook_state.David S. Miller1-5/+23
Instead of passing a large number of arguments down into the nf_hook() entry points, create a structure which carries this state down through the hook processing layers. This makes is so that if we want to change the types or signatures of any of these pieces of state, there are less places that need to be changed. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-03Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/inputLinus Torvalds1-1/+2
Pull input subsystem fixes from Dmitry Torokhov: "A fix for ALPS driver for issue introduced in the latest update and a tweak for yet another Lenovo box in Synaptics. There will be more ALPS tweaks coming.." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: define INPUT_PROP_ACCELEROMETER behavior Input: synaptics - fix min-max quirk value for E440 Input: synaptics - add quirk for Thinkpad E440 Input: ALPS - fix max coordinates for v5 and v7 protocols Input: add MT_TOOL_PALM
2015-04-03Merge branch 'for-linus' of git://git.kernel.dk/linux-blockLinus Torvalds1-0/+1
Pull block layer fix from Jens Axboe: "Just one patch in this pull request, fixing a regression caused by a 'mathematically correct' change to lcm()" * 'for-linus' of git://git.kernel.dk/linux-block: block: fix blk_stack_limits() regression due to lcm() change
2015-04-03add fixed_phy_update_state() - update state of fixed_phyStas Sergeev1-0/+9
Currently fixed_phy uses a callback to periodically poll the link state. This patch adds the fixed_phy_update_state() API. It solves the following problems: - On link state interrupt, MAC driver can't update status. Instead it needs to provide the callback to periodically query the HW about the link state. It is more efficient to update status after interrupt. - The callback needs to be unregistered before phy_disconnect(), or otherwise it will be called with net_dev==NULL. phy_disconnect() does not have enough info to unregister the callback automatically. - The callback needs to be registered before of_phy_connect() to avoid running with outdated state, but of_phy_connect() returns the phy_device pointer, which is needed to register the callback. Registering it before of_phy_connect() will therefore require a hack to get the pointer earlier. Overall, this addition makes the subsequent patch that implements SGMII link status for mvneta, much cleaner. CC: Florian Fainelli <f.fainelli@gmail.com> CC: netdev@vger.kernel.org CC: linux-kernel@vger.kernel.org Signed-off-by: Stas Sergeev <stsp@users.sourceforge.net> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-03ebpf: add skb->priority to offset map for usage in {cls, act}_bpfDaniel Borkmann1-0/+1
This adds the ability to read out the skb->priority from an eBPF program, so that it can be taken into account from a tc filter or action for the use-case where the priority is not being used to directly override the filter classification in a qdisc, but to tag traffic otherwise for the classifier; the priority can be assigned from various places incl. user space, in future we may also mangle it from an eBPF program. Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Cc: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-03jhash: Update jhash_[321]words functions to use correct initvalAlexander Duyck1-6/+11
Looking over the implementation for jhash2 and comparing it to jhash_3words I realized that the two hashes were in fact very different. Doing a bit of digging led me to "The new jhash implementation" in which lookup2 was supposed to have been replaced with lookup3. In reviewing the patch I noticed that jhash2 had originally initialized a and b to JHASH_GOLDENRATIO and c to initval, but after the patch a, b, and c were initialized to initval + (length << 2) + JHASH_INITVAL. However the changes in jhash_3words simply replaced the initialization of a and b with JHASH_INITVAL. This change corrects what I believe was an oversight so that a, b, and c in jhash_3words all have the same value added consisting of initval + (length << 2) + JHASH_INITVAL so that jhash2 and jhash_3words will now produce the same hash result given the same inputs. Fixes: 60d509c823cca ("The new jhash implementation") Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-03netdevice: document NETDEV_TX_BUSY deprecation.Rusty Russell1-1/+4
This paraphrases DaveM (and steals some of his words) explaining why a device shouldn't return NETDEV_TX_BUSY, even though it looks so inviting to driver authors. See http://www.spinics.net/lists/netdev/msg322350.html Inspired-by: David Miller <davem@davemloft.net> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02Merge tag 'irqchip-fixes-4.0-2' of git://git.infradead.org/users/jcooper/linuxLinus Torvalds1-0/+17
Pull irqchip fixes from Jason Cooper: "This is the second round of fixes for irqchip. It contains some fixes found while the arm64 guys were writing the kvm gicv3 its emulation. GICv3 ITS: - Small batch of fixes discovered while writing the kvm ITS emulation" * tag 'irqchip-fixes-4.0-2' of git://git.infradead.org/users/jcooper/linux: irqchip: gicv3-its: Use non-cacheable accesses when no shareability irqchip: gicv3-its: Fix PROP/PEND and BASE/CBASE confusion irqchip: gicv3-its: Fix device ID encoding irqchip: gicv3-its: Fix encoding of collection's target redistributor
2015-04-02net/mlx5_core: Extend struct mlx5_interface to support multiple protocolsSaeed Mahameed1-0/+8
Preparation for ethernet driver. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx5_core: Modify arm CQ in preparation for upcoming Ethernet driverSaeed Mahameed1-2/+3
Pass consumer index as a parameter to arm CQ Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx5_core: Move completion eqs from mlx5_ib to mlx5_coreSaeed Mahameed1-1/+2
Preparation for ethernet driver. These functions will be used in drivers other than mlx5_ib. Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx5_core: Fix Mellanox copyright noteSaeed Mahameed8-8/+8
Signed-off-by: Achiad Shochat <achiad@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx5_core: Use coherent memory for command interface pageEli Cohen1-0/+3
Use coherent memory for the commands descriptor page. Take measures to make sure the page is aligned to MLX5_ADAPTER_PAGE_SIZE as required by the hardware. Reported-by: Yevgeny Kliteynik <kliteyn@mellanox.com> Signed-off-by: Eli Cohen <eli@mellanox.com> Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4_en: Add RX-ALL supportMuhammad Mahajna1-0/+3
Enabled when the device supports KEEP FCS and IGNORE FCS. When the flag is set, pass all received frames up the stack, even ones with invalid FCS, controlled by ethtool. Signed-off-by: Muhammad Mahajna <muhammadm@mellanox.com> Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4_en: Add interface identify supportIdo Shamay2-0/+3
Add support for the interface ethtool identify feature. Make the physical port LED to blink with green and yellow colors. The device handles the LED blink by itself (synchrous use of set_phys_id), by returning 0 to ETHTOOL_ID_ACTIVE command. Signed-off-by: Eyal Grossman <eyalgr@mellanox.com> Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Add SET_PORT opcode modifiers enumerationIdo Shamay1-1/+7
The calls to SET_PORT used hard-code numbers, when supplying command's opcode modifiers, fix that to use well defined constants. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Warn users of depracated QoS FirmwareIdo Shamay1-0/+1
A new capability bit was introduced in the past to to differ devices using the QoS ETS feature. The old was deprecated since then. If driver sees device which set only the old capabilty, it will print warning to user suggesting to upgrade the FW. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4_en: Enable TX rate limit per VFIdo Shamay1-0/+2
Support granular QoS per VF, by implementing the ndo_set_vf_rate. Enforce a rate limit per VF when called, and enabled only for VFs in VST mode with user priority supported by the device. We don't enforce VFs to be in VST mode at the moment of configuration, but rather save the given rate limit and enforce it when the VF is moved to VST with user priority which is supported (currently 0). VST<->VGT or VST qos value state changes are disallowed when a rate limit is configured. Minimum BW share is not supported yet. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Added qos_vport QP configuration in VST modeIdo Shamay1-2/+6
Granular QoS per VF feature introduce a new QP field, qos_vport. PF administrator can connect VF QPs to a certain QoS Vport, to inherit its proporties. Connecting QPs to the default QoS Vport (defined as 0) is always allowed, even when there are no allocated VPPs. At this point, only the default vport is connected to QPs. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Query device for QoS per VF supportIdo Shamay1-1/+2
Checks in QUERY_DEV_CAP if the granular QoS per VF feature is supported by the device. Disabled for guests. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Add mlx4_SET_VPORT_QOS implementationIdo Shamay1-0/+1
Add the SET_VPORT_QOS device command, which is ntended for virtual granular QoS configuration per VF in SRIOV mode. The SET_VPORT_QOS command sets and queries QoS parameters of a VPort. Each priority allowed for a VPort is assigned with a share of the BW, and a BW limitation. QoS parameters can be modified at any time, but must be initialized before any QP is associated with the VPort. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Add mlx4_ALLOCATE_VPP implementationIdo Shamay1-0/+1
Implements device ALLOCATE_VPP command, to be used for granular QoS configuration of VFs by the PF device. Defines and queries the amount of VPPs assigned to each port, and the amount of VPPs assigned to each priority of each port. Once the total VPPs are split between the priorities of a port, they may be assigned with a share of the BW or a rate limit. Split into two functions (get/set) whoch are supplied with mlx4_alloc_vpp_context and physical port number. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: New file for QoS related firmware commandsIdo Shamay1-5/+0
Create two new files fw_qos.h and fw_qos.c in mlx4_core module. It gathers all relevant QoS firmware related commands etc, thus improving encapsulation of the mlx4_core module. For now it contains the QoS existing commands: mlx4_SET_PORT_SCHEDULER and mlx4_SET_PORT_PRIO2TC. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Make mlx4_is_eth visible inline funcionIdo Shamay1-0/+5
Currently implemented as static function in resource_tracker.c -- this change will allow other files in mlx4_core to use it as well. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02net/mlx4: Add RSS support for fragmented IP datagramsIdo Shamay1-0/+1
Enable RSS support for fragmented IP packets, when device supports it. Until now, fragmented IP packets were directed only to the default_qpn. Since IP fragments (datagram) have no upper protocols (L3 IP packets), hash is performed on 3-tuple - dst MAC, source IP and dest IP. The HW makes sure that this holds for the 1st fragment too, so all fragments go to the same QP. Signed-off-by: Ido Shamay <idos@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller10-79/+89
Conflicts: drivers/net/usb/asix_common.c drivers/net/usb/sr9800.c drivers/net/usb/usbnet.c include/linux/usb/usbnet.h net/ipv4/tcp_ipv4.c net/ipv6/tcp_ipv6.c The TCP conflicts were overlapping changes. In 'net' we added a READ_ONCE() to the socket cached RX route read, whilst in 'net-next' Eric Dumazet touched the surrounding code dealing with how mini sockets are handled. With USB, it's a case of the same bug fix first going into net-next and then I cherry picked it back into net. Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds1-1/+15
Pull networking fixes from David Miller: 1) Fix use-after-free with mac80211 RX A-MPDU reorder timer, from Johannes Berg. 2) iwlwifi leaks memory every module load/unload cycles, fix from Larry Finger. 3) Need to use for_each_netdev_safe() in rtnl_group_changelink() otherwise we can crash, from WANG Cong. 4) mlx4 driver does register_netdev() too early in the probe sequence, from Ido Shamay. 5) Don't allow router discovery hop limit to decrease the interface's hop limit, from D.S. Ljungmark. 6) tx_packets and tx_bytes improperly accounted for certain classes of USB network devices, fix from Ben Hutchings. 7) ip{6}mr_rules_init() mistakenly use plain kfree to release the ipmr tables in the error path, they must instead use ip{6}mr_free_table(). Fix from WANG Cong. 8) cxgb4 doesn't properly quiesce all RX activity before unregistering the netdevice. Fix from Hariprasad Shenai. 9) Fix hash corruptions in ipvlan driver, from Jiri Benc. 10) nla_memcpy(), like a real memcpy, should fully initialize the destination buffer, even if the source attribute is smaller. Fix from Jiri Benc. 11) Fix wrong error code returned from iucv_sock_sendmsg(). We should use whatever sock_alloc_send_skb() put into 'err'. From Eugene Crosser. 12) Fix slab object leak on module unload in TIPC, from Ying Xue. 13) Need a READ_ONCE() when reading the cached RX socket route in tcp_v{4,6}_early_demux(). From Michal Kubecek. 14) Still too many problems with TPC support in the ath9k driver, so disable it for now. From Felix Fietkau. 15) When in AP mode the rtlwifi driver can leak DMA mappings, fix from Larry Finger. 16) Missing kzalloc() failure check in gs_usb CAN driver, from Colin Ian King. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits) cxgb4: Fix to dump devlog, even if FW is crashed cxgb4: Firmware macro changes for fw verison 1.13.32.0 bnx2x: Fix kdump when iommu=on bnx2x: Fix kdump on 4-port device mac80211: fix RX A-MPDU session reorder timer deletion MAINTAINERS: Update Intel Wired Ethernet Driver info tipc: fix a slab object leak net/usb/r8152: add device id for Lenovo TP USB 3.0 Ethernet af_iucv: fix AF_IUCV sendmsg() errno openvswitch: Return vport module ref before destruction netlink: pad nla_memcpy dest buffer with zeroes bonding: Bonding Overriding Configuration logic restored. ipvlan: fix check for IP addresses in control path ipvlan: do not use rcu operations for address list ipvlan: protect against concurrent link removal ipvlan: fix addr hash list corruption net: fec: setup right value for mdio hold time net: tcp6: fix double call of tcp_v6_fill_cb() cxgb4vf: Fix sparse warnings netns: don't clear nsid too early on removal ...
2015-04-02net: remove iflink field from struct net_deviceNicolas Dichtel1-2/+1
Now that all users of iflink have the ndo_get_iflink handler available, it's possible to remove this field. By default, dev_get_iflink() returns the ifindex of the interface. Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02ipip,gre,vti,sit: implement ndo_get_iflinkNicolas Dichtel1-0/+1
Don't use dev->iflink anymore. CC: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2015-04-02ip6tnl,gre6,vti6: implement ndo_get_iflinkNicolas Dichtel1-0/+1
Don't use dev->iflink anymore. CC: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: David S. Miller <davem@davemloft.net>