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2014-11-21tipc: add link get/dump to new netlink apiRichard Alpe
Add TIPC_NL_LINK_GET command to the new tipc netlink API. This command supports dumping all information about all links (including the broadcast link) or getting all information about a specific link (not the broadcast link). The information about a link includes name, transmission info, properties and link statistics. As the tipc broadcast link is special we unfortunately have to treat it specially. It is a deliberate decision not to abstract the broadcast link on this (API) level. Netlink logical layout of link response message: -> port -> name -> MTU -> RX -> TX -> up flag -> active flag -> properties -> priority -> tolerance -> window -> statistics -> rx_info -> rx_fragments -> rx_fragmented -> rx_bundles -> rx_bundled -> tx_info -> tx_fragments -> tx_fragmented -> tx_bundles -> tx_bundled -> msg_prof_tot -> msg_len_cnt -> msg_len_tot -> msg_len_p0 -> msg_len_p1 -> msg_len_p2 -> msg_len_p3 -> msg_len_p4 -> msg_len_p5 -> msg_len_p6 -> rx_states -> rx_probes -> rx_nacks -> rx_deferred -> tx_states -> tx_probes -> tx_nacks -> tx_acks -> retransmitted -> duplicates -> link_congs -> max_queue -> avg_queue Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21tipc: add publication dump to new netlink apiRichard Alpe
Add TIPC_NL_PUBL_GET command to the new tipc netlink API. This command supports dumping of all publications for a specific socket. Netlink logical layout of request message: -> socket -> reference Netlink logical layout of response message: -> publication -> type -> lower -> upper Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21tipc: add sock dump to new netlink apiRichard Alpe
Add TIPC_NL_SOCK_GET command to the new tipc netlink API. This command supports dumping of all available sockets with their associated connection or publication(s). It could be extended to reply with a single socket if the NLM_F_DUMP isn't set. The information about a socket includes reference, address, connection information / publication information. Netlink logical layout of response message: -> socket -> reference -> address [ -> connection -> node -> socket [ -> connected flag -> type -> instance ] ] [ -> publication flag ] Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21tipc: add bearer set to new netlink apiRichard Alpe
Add TIPC_NL_BEARER_SET command to the new tipc netlink API. This command can set one or more link properties for a particular bearer. Netlink logical layout of bearer set message: -> bearer -> name -> link properties [ -> tolerance ] [ -> priority ] [ -> window ] Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21tipc: add bearer get/dump to new netlink apiRichard Alpe
Add TIPC_NL_BEARER_GET command to the new tipc netlink API. This command supports dumping all data about all bearers or getting all information about a specific bearer. The information about a bearer includes name, link priorities and domain. Netlink logical layout of bearer get message: -> bearer -> name Netlink logical layout of returned bearer information: -> bearer -> name -> link properties -> priority -> tolerance -> window -> domain Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21tipc: add bearer disable/enable to new netlink apiRichard Alpe
A new netlink API for tipc that can disable or enable a tipc bearer. The new API is separated from the old API because of a bug in the user space client (tipc-config). The problem is that older versions of tipc-config has a very low receive limit and adding commands to the legacy genl_opts struct causes the ctrl_getfamily() response message to grow, subsequently breaking the tool. The new API utilizes netlink policies for input validation. Where the top-level netlink attributes are tipc-logical entities, like bearer. The top level entities then contain nested attributes. In this case a name, nested link properties and a domain. Netlink commands implemented in this patch: TIPC_NL_BEARER_ENABLE TIPC_NL_BEARER_DISABLE Netlink logical layout of bearer enable message: -> bearer -> name [ -> domain ] [ -> properties -> priority ] Netlink logical layout of bearer disable message: -> bearer -> name Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Acked-by: Ying Xue <ying.xue@windriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-21sched: introduce vlan actionJiri Pirko
This tc action allows to work with vlan tagged skbs. Two supported sub-actions are header pop and header push. Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18bpf: allow eBPF programs to use mapsAlexei Starovoitov
expose bpf_map_lookup_elem(), bpf_map_update_elem(), bpf_map_delete_elem() map accessors to eBPF programs Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18bpf: add array type of eBPF mapsAlexei Starovoitov
add new map type BPF_MAP_TYPE_ARRAY and its implementation - optimized for fastest possible lookup() . in the future verifier/JIT may recognize lookup() with constant key and optimize it into constant pointer. Can optimize non-constant key into direct pointer arithmetic as well, since pointers and value_size are constant for the life of the eBPF program. In other words array_map_lookup_elem() may be 'inlined' by verifier/JIT while preserving concurrent access to this map from user space - two main use cases for array type: . 'global' eBPF variables: array of 1 element with key=0 and value is a collection of 'global' variables which programs can use to keep the state between events . aggregation of tracing events into fixed set of buckets - all array elements pre-allocated and zero initialized at init time - key as an index in array and can only be 4 byte - map_delete_elem() returns EINVAL, since elements cannot be deleted - map_update_elem() replaces elements in an non-atomic way (for atomic updates hashtable type should be used instead) Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18bpf: add hashtable type of eBPF mapsAlexei Starovoitov
add new map type BPF_MAP_TYPE_HASH and its implementation - maps are created/destroyed by userspace. Both userspace and eBPF programs can lookup/update/delete elements from the map - eBPF programs can be called in_irq(), so use spin_lock_irqsave() mechanism for concurrent updates - key/value are opaque range of bytes (aligned to 8 bytes) - user space provides 3 configuration attributes via BPF syscall: key_size, value_size, max_entries - map takes care of allocating/freeing key/value pairs - map_update_elem() must fail to insert new element when max_entries limit is reached to make sure that eBPF programs cannot exhaust memory - map_update_elem() replaces elements in an atomic way - optimized for speed of lookup() which can be called multiple times from eBPF program which itself is triggered by high volume of events . in the future JIT compiler may recognize lookup() call and optimize it further, since key_size is constant for life of eBPF program Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-18bpf: add 'flags' attribute to BPF_MAP_UPDATE_ELEM commandAlexei Starovoitov
the current meaning of BPF_MAP_UPDATE_ELEM syscall command is: either update existing map element or create a new one. Initially the plan was to add a new command to handle the case of 'create new element if it didn't exist', but 'flags' style looks cleaner and overall diff is much smaller (more code reused), so add 'flags' attribute to BPF_MAP_UPDATE_ELEM command with the following meaning: #define BPF_ANY 0 /* create new element or update existing */ #define BPF_NOEXIST 1 /* create new element if it didn't exist */ #define BPF_EXIST 2 /* update existing element */ bpf_update_elem(fd, key, value, BPF_NOEXIST) call can fail with EEXIST if element already exists. bpf_update_elem(fd, key, value, BPF_EXIST) can fail with ENOENT if element doesn't exist. Userspace will call it as: int bpf_update_elem(int fd, void *key, void *value, __u64 flags) { union bpf_attr attr = { .map_fd = fd, .key = ptr_to_u64(key), .value = ptr_to_u64(value), .flags = flags; }; return bpf(BPF_MAP_UPDATE_ELEM, &attr, sizeof(attr)); } First two bits of 'flags' are used to encode style of bpf_update_elem() command. Bits 2-63 are reserved for future use. Signed-off-by: Alexei Starovoitov <ast@plumgrid.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-11Merge branch 'net_next_ovs' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/pshelar/openvswitch Pravin B Shelar says: ==================== Open vSwitch Following batch of patches brings feature parity between upstream ovs and out of tree ovs module. Two features are added, first adds support to export egress tunnel information for a packet. This is used to improve visibility in network traffic. Second feature allows userspace vswitchd process to probe ovs module features. Other patches are optimization and code cleanup. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-11net: introduce SO_INCOMING_CPUEric Dumazet
Alternative to RPS/RFS is to use hardware support for multiple queues. Then split a set of million of sockets into worker threads, each one using epoll() to manage events on its own socket pool. Ideally, we want one thread per RX/TX queue/cpu, but we have no way to know after accept() or connect() on which queue/cpu a socket is managed. We normally use one cpu per RX queue (IRQ smp_affinity being properly set), so remembering on socket structure which cpu delivered last packet is enough to solve the problem. After accept(), connect(), or even file descriptor passing around processes, applications can use : int cpu; socklen_t len = sizeof(cpu); getsockopt(fd, SOL_SOCKET, SO_INCOMING_CPU, &cpu, &len); And use this information to put the socket into the right silo for optimal performance, as all networking stack should run on the appropriate cpu, without need to send IPI (RPS/RFS). Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-10Merge tag 'master-2014-11-04' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next John W. Linville says: ==================== pull request: wireless-next 2014-11-07 Please pull this batch of updates intended for the 3.19 stream! For the mac80211 bits, Johannes says: "This relatively large batch of changes is comprised of the following: * large mac80211-hwsim changes from Ben, Jukka and a bit myself * OCB/WAVE/11p support from Rostislav on behalf of the Czech Technical University in Prague and Volkswagen Group Research * minstrel VHT work from Karl * more CSA work from Luca * WMM admission control support in mac80211 (myself) * various smaller fixes, spelling corrections, and minor API additions" For the Bluetooth bits, Johan says: "Here's the first bluetooth-next pull request for 3.19. The vast majority of patches are for ieee802154 from Alexander Aring with various fixes and cleanups. There are also several LE/SMP fixes as well as improved support for handling LE devices that have lost their pairing information (the patches from Alfonso). Jukka provides a couple of stability fixes for 6lowpan and Szymon conformance fixes for RFCOMM. For the HCI drivers we have one new USB ID for an Acer controller as well as a reset handling fix for H5." For the Atheros bits, Kalle says: "Major changes are: o ethtool support (Ben) o print dev string prefix with debug hex buffers dump (Michal) o debugfs file to read calibration data from the firmware verification purposes (me) o fix fw_stats debugfs file, now results are more reliable (Michal) o firmware crash counters via debugfs (Ben&me) o various tracing points to debug firmware (Rajkumar) o make it possible to provide firmware calibration data via a file (me) And we have quite a lot of smaller fixes and clean up." For the iwlwifi bits, Emmanuel says: "The big new thing here is netdetect which allows the firmware to wake up the platform when a specific network is detected. Along with that I have fixes for d3 operation. The usual amount of rate scaling stuff - we now support STBC. The other commit that stands out is Johannes's work on devcoredump. He basically starts to use the standard infrastructure he built." Along with that are the usual sort of updates and such for ath9k, brcmfmac, wil6210, and a handful of other bits here and there... Please let me know if there are problems! ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-10rtnetlink: add babel protocol recognitionDave Taht
Babel uses rt_proto 42. Add to userspace visible header file. Signed-off-by: Dave Taht <dave.taht@bufferbloat.net> Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-09openvswitch: Add support for OVS_FLOW_ATTR_PROBE.Jarno Rajahalme
This new flag is useful for suppressing error logging while probing for datapath features using flow commands. For backwards compatibility reasons the commands are executed normally, but error logging is suppressed. Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
2014-11-09openvswitch: Extend packet attribute for egress tunnel infoWenyu Zhang
OVS vswitch has extended IPFIX exporter to export tunnel headers to improve network visibility. To export this information userspace needs to know egress tunnel for given packet. By extending packet attributes datapath can export egress tunnel info for given packet. So that userspace can ask for egress tunnel info in userspace action. This information is used to build IPFIX data for given flow. Signed-off-by: Wenyu Zhang <wenyuz@vmware.com> Acked-by: Romain Lenglet <rlenglet@vmware.com> Acked-by: Ben Pfaff <blp@nicira.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
2014-11-07udp: Increment UDP_MIB_IGNOREDMULTI for arriving unmatched multicastsRick Jones
As NIC multicast filtering isn't perfect, and some platforms are quite content to spew broadcasts, we should not trigger an event for skb:kfree_skb when we do not have a match for such an incoming datagram. We do though want to avoid sweeping the matter under the rug entirely, so increment a suitable statistic. This incorporates feedback from David L. Stevens, Karl Neiss and Eric Dumazet. V3 - use bool per David Miller Signed-off-by: Rick Jones <rick.jones2@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-07uapi: resort Kbuild entriesstephen hemminger
The entries in the Kbuild files are incorrectly sorted. Matters for aesthetics only. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-06Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2014-11-05openvswitch: Fix the type of struct ovs_key_nd nd_target field.Jarno Rajahalme
Should be the same as other IPv6 address fields. Current master produces sparse warnings without this change. Signed-off-by: Jarno Rajahalme <jrajahalme@nicira.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
2014-11-05openvswitch: Add basic MPLS support to kernelSimon Horman
Allow datapath to recognize and extract MPLS labels into flow keys and execute actions which push, pop, and set labels on packets. Based heavily on work by Leo Alterman, Ravi K, Isaku Yamahata and Joe Stringer. Cc: Ravi K <rkerur@gmail.com> Cc: Leo Alterman <lalterman@nicira.com> Cc: Isaku Yamahata <yamahata@valinux.co.jp> Cc: Joe Stringer <joe@wand.net.nz> Signed-off-by: Simon Horman <horms@verge.net.au> Signed-off-by: Jesse Gross <jesse@nicira.com> Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
2014-11-05bridge: include in6.h in if_bridge.h for struct in6_addrGregory Fong
if_bridge.h uses struct in6_addr ip6, but wasn't including the in6.h header. Thomas Backlund originally sent a patch to do this, but this revealed a redefinition issue: https://lkml.org/lkml/2013/1/13/116 The redefinition issue should have been fixed by the following Linux commits: ee262ad827f89e2dc7851ec2986953b5b125c6bc inet: defines IPPROTO_* needed for module alias generation cfd280c91253cc28e4919e349fa7a813b63e71e8 net: sync some IP headers with glibc and the following glibc commit: 6c82a2f8d7c8e21e39237225c819f182ae438db3 Coordinate IPv6 definitions for Linux and glibc so actually include the header now. Reported-by: Colin Guthrie <colin@mageia.org> Reported-by: Christiaan Welvaart <cjw@daneel.dyndns.org> Reported-by: Thomas Backlund <tmb@mageia.org> Cc: Florian Fainelli <f.fainelli@gmail.com> Cc: Cong Wang <xiyou.wangcong@gmail.com> Cc: David Miller <davem@davemloft.net> Signed-off-by: Gregory Fong <gregory.0xf0@gmail.com> Acked-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-05gue: TX support for using remote checksum offload optionTom Herbert
Add if_tunnel flag TUNNEL_ENCAP_FLAG_REMCSUM to configure remote checksum offload on an IP tunnel. Add logic in gue_build_header to insert remote checksum offload option. Signed-off-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-04Merge tag 'mac80211-next-for-john-2014-11-04' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next Johannes Berg <johannes@sipsolutions.net> says: "This relatively large batch of changes is comprised of the following: * large mac80211-hwsim changes from Ben, Jukka and a bit myself * OCB/WAVE/11p support from Rostislav on behalf of the Czech Technical University in Prague and Volkswagen Group Research * minstrel VHT work from Karl * more CSA work from Luca * WMM admission control support in mac80211 (myself) * various smaller fixes, spelling corrections, and minor API additions" Conflicts: drivers/net/wireless/ath/wil6210/cfg80211.c Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-11-04cfg80211: 802.11p OCB mode handlingRostislav Lisovy
This patch adds new iface type (NL80211_IFTYPE_OCB) representing the OCB (Outside the Context of a BSS) mode. When establishing a connection to the network a cfg80211_join_ocb function is called (particular nl80211_command is added as well). A mandatory parameters during the ocb_join operation are 'center frequency' and 'channel width (5/10 MHz)'. Changes done in mac80211 are minimal possible required to avoid many warnings (warning: enumeration value 'NL80211_IFTYPE_OCB' not handled in switch) during compilation. Full functionality (where needed) is added in the following patch. Signed-off-by: Rostislav Lisovy <rostislav.lisovy@fel.cvut.cz> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-11-03uapi: add missing network related headers to kbuildstephen hemminger
The makefile for sanitizing kernel headers uses the kbuild file to determine which files to do. Several networking related headers were missing. Without these headers iproute2 build would break. Signed-off-by: Stephen Hemminger <stephen@networkplumber.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-01Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
Conflicts: drivers/net/phy/marvell.c Simple overlapping changes in drivers/net/phy/marvell.c Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-31Merge branch 'sched-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduler fixes from Ingo Molnar: "Various scheduler fixes all over the place: three SCHED_DL fixes, three sched/numa fixes, two generic race fixes and a comment fix" * 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/dl: Fix preemption checks sched: Update comments for CLONE_NEWNS sched: stop the unbound recursion in preempt_schedule_context() sched/fair: Fix division by zero sysctl_numa_balancing_scan_size sched/fair: Care divide error in update_task_scan_period() sched/numa: Fix unsafe get_task_struct() in task_numa_assign() sched/deadline: Fix races between rt_mutex_setprio() and dl_task_timer() sched/deadline: Don't replenish from a !SCHED_DEADLINE entity sched: Fix race between task_group and sched_task_group
2014-10-31Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Ingo Molnar: "Mostly tooling fixes, plus on the kernel side: - a revert for a newly introduced PMU driver which isn't complete yet and where we ran out of time with fixes (to be tried again in v3.19) - this makes up for a large chunk of the diffstat. - compilation warning fixes - a printk message fix - event_idx usage fixes/cleanups" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf probe: Trivial typo fix for --demangle perf tools: Fix report -F dso_from for data without branch info perf tools: Fix report -F dso_to for data without branch info perf tools: Fix report -F symbol_from for data without branch info perf tools: Fix report -F symbol_to for data without branch info perf tools: Fix report -F mispredict for data without branch info perf tools: Fix report -F in_tx for data without branch info perf tools: Fix report -F abort for data without branch info perf tools: Make CPUINFO_PROC an array to support different kernel versions perf callchain: Use global caching provided by libunwind perf/x86/intel: Revert incomplete and undocumented Broadwell client support perf/x86: Fix compile warnings for intel_uncore perf: Fix typos in sample code in the perf_event.h header perf: Fix and clean up initialization of pmu::event_idx perf: Fix bogus kernel printk perf diff: Add missing hists__init() call at tool start
2014-10-29net: ipv6: Add a sysctl to make optimistic addresses useful candidatesErik Kline
Add a sysctl that causes an interface's optimistic addresses to be considered equivalent to other non-deprecated addresses for source address selection purposes. Preferred addresses will still take precedence over optimistic addresses, subject to other ranking in the source address selection algorithm. This is useful where different interfaces are connected to different networks from different ISPs (e.g., a cell network and a home wifi network). The current behaviour complies with RFC 3484/6724, and it makes sense if the host has only one interface, or has multiple interfaces on the same network (same or cooperating administrative domain(s), but not in the multiple distinct networks case. For example, if a mobile device has an IPv6 address on an LTE network and then connects to IPv6-enabled wifi, while the wifi IPv6 address is undergoing DAD, IPv6 connections will try use the wifi default route with the LTE IPv6 address, and will get stuck until they time out. Also, because optimistic nodes can receive frames, issue an RTM_NEWADDR as soon as DAD starts (with the IFA_F_OPTIMSTIC flag appropriately set). A second RTM_NEWADDR is sent if DAD completes (the address flags have changed), otherwise an RTM_DELADDR is sent. Also: add an entry in ip-sysctl.txt for optimistic_dad. Signed-off-by: Erik Kline <ek@google.com> Acked-by: Lorenzo Colitti <lorenzo@google.com> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-29Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid Pull HID fixes from Jiri Kosina: - workarounds for a couple of misbehaving Elan Touchscreens, by Adel Gadllah - fix for TransducerSerialNumber field implementation, by Jason Gerecke - a couple of new HID usages (added by HUT), by Olivier Gay * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid: HID: input: Fix TransducerSerialNumber implementation HID: add keyboard input assist hid usages HID: usbhid: enable always-poll quirk for Elan Touchscreen 016f HID: usbhid: enable always-poll quirk for Elan Touchscreen 009b
2014-10-28ethtool, net/mlx4_en: Add 100M, 20G, 56G speeds ethtool reporting supportSaeed Mahameed
Added 100M, 20G and 56G ethtool speed reporting support. Update mlx4_en_test_speed self test with the new speeds. Defined new link speeds in include/uapi/linux/ethtool.h: +#define SPEED_20000 20000 +#define SPEED_40000 40000 +#define SPEED_56000 56000 Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-28ethtool, net/mlx4_en: Cable info, get_module_info/eeprom ethtool supportSaeed Mahameed
Added support for get_module_info/get_module_eeprom ethtool support for cable info reading. Added new cable types enum in include/uapi/linux/ethtool.h for ethtool use. +#define ETH_MODULE_SFF_8636 0x3 +#define ETH_MODULE_SFF_8636_LEN 256 +#define ETH_MODULE_SFF_8436 0x4 +#define ETH_MODULE_SFF_8436_LEN 256 Signed-off-by: Saeed Mahameed <saeedm@mellanox.com> Signed-off-by: Amir Vadai <amirv@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-28perf: Fix typos in sample code in the perf_event.h headerAndy Lutomirski
struct perf_event_mmap_page has members called "index" and "cap_user_rdpmc". Spell them correctly in the examples. Signed-off-by: Andy Lutomirski <luto@amacapital.net> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@kernel.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-api@vger.kernel.org Link: http://lkml.kernel.org/r/320ba26391a8123cc16e5f02d24d34bd404332fd.1412313343.git.luto@amacapital.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-10-28sched: Update comments for CLONE_NEWNSChen Hanxiao
Signed-off-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com> Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: linux-api@vger.kernel.org Link: http://lkml.kernel.org/r/1412674147-8941-1-git-send-email-chenhanxiao@cn.fujitsu.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
2014-10-27bridge: Add support for IEEE 802.11 Proxy ARPKyeyoon Park
This feature is defined in IEEE Std 802.11-2012, 10.23.13. It allows the AP devices to keep track of the hardware-address-to-IP-address mapping of the mobile devices within the WLAN network. The AP will learn this mapping via observing DHCP, ARP, and NS/NA frames. When a request for such information is made (i.e. ARP request, Neighbor Solicitation), the AP will respond on behalf of the associated mobile device. In the process of doing so, the AP will drop the multicast request frame that was intended to go out to the wireless medium. It was recommended at the LKS workshop to do this implementation in the bridge layer. vxlan.c is already doing something very similar. The DHCP snooping code will be added to the userspace application (hostapd) per the recommendation. This RFC commit is only for IPv4. A similar approach in the bridge layer will be taken for IPv6 as well. Signed-off-by: Kyeyoon Park <kyeyoonp@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-10-27Merge tag 'media/v3.18-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media Pull media fixes from Mauro Carvalho Chehab: "A series of driver fixes: - a few compilation fixes with randconfigs - one potential compilation breakage on userspace due to the usage of a gcc extension - several warnings fixed - some other random driver fixes" * tag 'media/v3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (22 commits) [media] s5p-jpeg: Avoid -Wuninitialized warning in s5p_jpeg_parse_hdr [media] s5p-fimc: Only build suspend/resume for PM [media] s5p-jpeg: Only build suspend/resume for PM [media] Remove references to non-existent PLAT_S5P symbol [media] videobuf-dma-contig: set vm_pgoff to be zero to pass the sanity check in vm_iomap_memory() [media] tw68: remove bogus I2C_ALGOBIT dependency [media] usbvision-video: two use after frees [media] tw68: remove deprecated IRQF_DISABLED [media] xc5000: use after free in release() [media] em28xx-input: NULL dereference on error [media] wl128x: fix fmdbg compiler warning Revert "[media] v4l2-dv-timings: fix a sparse warning" [media] hackrf: harmless off by one in debug code [media] cx23885: initialize config structs for T9580 [media] v4l: uvcvideo: Fix buffer completion size check [media] vivid: fix buffer overrun [media] saa7146: Create a device name before it's used [media] em28xx: fix uninitialized variable warning [media] vivid: fix Kconfig FB dependency [media] anysee: make sure loading modules is const ...
2014-10-27cfg80211: support configuring vif mac addr on createBen Greear
This is useful when creating virtual interfaces. Keeps udev from mucking with things it shouldn't, since the default MAC is never seen by udev when specified on the cmd-line during creation. Signed-off-by: Ben Greear <greearb@candelatech.com> [check for feature flag in nl80211 to force drivers to set it] Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-10-26Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs Pull vfs updates from Al Viro: "overlayfs merge + leak fix for d_splice_alias() failure exits" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: overlayfs: embed middle into overlay_readdir_data overlayfs: embed root into overlay_readdir_data overlayfs: make ovl_cache_entry->name an array instead of pointer overlayfs: don't hold ->i_mutex over opening the real directory fix inode leaks on d_splice_alias() failure exits fs: limit filesystem stacking depth overlay: overlay filesystem documentation overlayfs: implement show_options overlayfs: add statfs support overlay filesystem shmem: support RENAME_WHITEOUT ext4: support RENAME_WHITEOUT vfs: add RENAME_WHITEOUT vfs: add whiteout support vfs: export check_sticky() vfs: introduce clone_private_mount() vfs: export __inode_permission() to modules vfs: export do_splice_direct() to modules vfs: add i_op->dentry_open()
2014-10-24Revert "[media] v4l2-dv-timings: fix a sparse warning"Mauro Carvalho Chehab
Sparse got a fix for that. Also, it is suspected that reverting this patch might cause compilation breakages on userspace. So, revert it. This reverts commit 5c2cacc1028917168b0f7650008dceaa6f7e3fe2. Requested-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-10-24vfs: add RENAME_WHITEOUTMiklos Szeredi
This adds a new RENAME_WHITEOUT flag. This flag makes rename() create a whiteout of source. The whiteout creation is atomic relative to the rename. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
2014-10-22cfg80211: make WMM TSPEC support flag an nl80211 feature flagJohannes Berg
During the review of the corresponding wpa_supplicant patches we noticed that the only way for it to detect that this functionality is supported currently is to check for the command support. This can be misleading though, as the command was also designed to, in the future, support pure 802.11 TSPECs. Expose the WMM-TSPEC feature flag to nl80211 so later we can also expose an 802.11-TSPEC feature flag (if needed) to differentiate the two cases. Note: this change isn't needed in 3.18 as there's no driver there yet that supports the functionality at all. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-10-21Merge branch 'for-next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending Pull SCSI target updates from Nicholas Bellinger: "Here are the target updates for v3.18-rc2 code. These where originally destined for -rc1, but due to the combination of travel last week for KVM Forum and my mistake of taking the three week merge window literally, the pull request slipped.. Apologies for that. Things where reasonably quiet this round. The highlights include: - New userspace backend driver (target_core_user.ko) by Shaohua Li and Andy Grover - A number of cleanups in target, iscsi-taret and qla_target code from Joern Engel - Fix an OOPs related to queue full handling with CHECK_CONDITION status from Quinn Tran - Fix to disable TX completion interrupt coalescing in iser-target, that was causing problems on some hardware - Fix for PR APTPL metadata handling with demo-mode ACLs I'm most excited about the new backend driver that uses UIO + shared memory ring to dispatch I/O and control commands into user-space. This was probably the most requested feature by users over the last couple of years, and opens up a new area of development + porting of existing user-space storage applications to LIO. Thanks to Shaohua + Andy for making this happen. Also another honorable mention, a new Xen PV SCSI driver was merged via the xen/tip.git tree recently, which puts us now at 10 target drivers in upstream! Thanks to David Vrabel + Juergen Gross for their work to get this code merged" * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (40 commits) target/file: fix inclusive vfs_fsync_range() end iser-target: Disable TX completion interrupt coalescing target: Add force_pr_aptpl device attribute target: Fix APTPL metadata handling for dynamic MappedLUNs qla_target: don't delete changed nacls target/user: Recalculate pad size inside is_ring_space_avail() tcm_loop: Fixup tag handling iser-target: Fix smatch warning target/user: Fix up smatch warnings in tcmu_netlink_event target: Add a user-passthrough backstore target: Add documentation on the target userspace pass-through driver uio: Export definition of struct uio_device target: Remove unneeded check in sbc_parse_cdb target: Fix queue full status NULL pointer for SCF_TRANSPORT_TASK_SENSE qla_target: rearrange struct qla_tgt_prm qla_target: improve qlt_unmap_sg() qla_target: make some global functions static qla_target: remove unused parameter target: simplify core_tmr_abort_task target: encapsulate smp_mb__after_atomic() ...
2014-10-20HID: add keyboard input assist hid usagesOlivier Gay
Add keyboard input assist controls usages from approved hid usage table request HUTTR42: http://www.usb.org/developers/hidpage/HUTRR42c.pdf Signed-off-by: Olivier Gay <ogay@logitech.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-10-20cfg80211: Specify frame and reason code for NL80211_CMD_DEL_STATIONJouni Malinen
The optional NL80211_ATTR_MGMT_SUBTYPE and NL80211_ATTR_REASON_CODE attributes can now be included in NL80211_CMD_DEL_STATION to indicate to the driver which frame (Deauthentication/Disassociation) and reason code in that frame should be used to indicate removal to the specific station. This is used by drivers that implement AP SME and generate those frames internally. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2014-10-19Merge git://git.infradead.org/users/eparis/auditLinus Torvalds
Pull audit updates from Eric Paris: "So this change across a whole bunch of arches really solves one basic problem. We want to audit when seccomp is killing a process. seccomp hooks in before the audit syscall entry code. audit_syscall_entry took as an argument the arch of the given syscall. Since the arch is part of what makes a syscall number meaningful it's an important part of the record, but it isn't available when seccomp shoots the syscall... For most arch's we have a better way to get the arch (syscall_get_arch) So the solution was two fold: Implement syscall_get_arch() everywhere there is audit which didn't have it. Use syscall_get_arch() in the seccomp audit code. Having syscall_get_arch() everywhere meant it was a useless flag on the stack and we could get rid of it for the typical syscall entry. The other changes inside the audit system aren't grand, fixed some records that had invalid spaces. Better locking around the task comm field. Removing some dead functions and structs. Make some things static. Really minor stuff" * git://git.infradead.org/users/eparis/audit: (31 commits) audit: rename audit_log_remove_rule to disambiguate for trees audit: cull redundancy in audit_rule_change audit: WARN if audit_rule_change called illegally audit: put rule existence check in canonical order next: openrisc: Fix build audit: get comm using lock to avoid race in string printing audit: remove open_arg() function that is never used audit: correct AUDIT_GET_FEATURE return message type audit: set nlmsg_len for multicast messages. audit: use union for audit_field values since they are mutually exclusive audit: invalid op= values for rules audit: use atomic_t to simplify audit_serial() kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0] audit: reduce scope of audit_log_fcaps audit: reduce scope of audit_net_id audit: arm64: Remove the audit arch argument to audit_syscall_entry arm64: audit: Add audit hook in syscall_trace_enter/exit() audit: x86: drop arch from __audit_syscall_entry() interface sparc: implement is_32bit_task sparc: properly conditionalize use of TIF_32BIT ...
2014-10-18Merge tag 'dm-3.18' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm Pull device-mapper updates from Mike Snitzer: "I rebased the DM tree ontop of linux-block.git's 'for-3.18/core' at the beginning of October because DM core now depends on the newly introduced bioset_create_nobvec() interface. Summary: - fix DM's long-standing excessive use of memory by leveraging the new bioset_create_nobvec() interface when creating the DM's bioset - fix a few bugs in dm-bufio and dm-log-userspace - add DM core support for a DM multipath use-case that requires loading DM tables that contain devices that have failed (by allowing active and inactive DM tables to share dm_devs) - add discard support to the DM raid target; like MD raid456 the user must opt-in to raid456 discard support be specifying the devices_handle_discard_safely=Y module param" * tag 'dm-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm: dm log userspace: fix memory leak in dm_ulog_tfr_init failure path dm bufio: when done scanning return from __scan immediately dm bufio: update last_accessed when relinking a buffer dm raid: add discard support for RAID levels 4, 5 and 6 dm raid: add discard support for RAID levels 1 and 10 dm: allow active and inactive tables to share dm_devs dm mpath: stop queueing IO when no valid paths exist dm: use bioset_create_nobvec() dm: remove nr_iovecs parameter from alloc_tio()
2014-10-18Merge tag 'md/3.18' of git://neil.brown.name/mdLinus Torvalds
Pull md updates from Neil Brown: - a few minor bug fixes - quite a lot of code tidy-up and simplification - remove PRINT_RAID_DEBUG ioctl. I'm fairly sure it is unused, and it isn't particularly useful. * tag 'md/3.18' of git://neil.brown.name/md: (21 commits) lib/raid6: Add log level to printks md: move EXPORT_SYMBOL to after function in md.c md: discard PRINT_RAID_DEBUG ioctl md: remove MD_BUG() md: clean up 'exit' labels in md_ioctl(). md: remove unnecessary test for MD_MAJOR in md_ioctl() md: don't allow "-sync" to be set for device in an active array. md: remove unwanted white space from md.c md: don't start resync thread directly from md thread. md: Just use RCU when checking for overlap between arrays. md: avoid potential long delay under pers_lock md: simplify export_array() md: discard find_rdev_nr in favour of find_rdev_nr_rcu md: use wait_event() to simplify md_super_wait() md: be more relaxed about stopping an array which isn't started. md/raid1: process_checks doesn't use its return value. md/raid5: fix init_stripe() inconsistencies md/raid10: another memory leak due to reshape. md: use set_bit/clear_bit instead of shift/mask for bi_flags changes. md/raid1: minor typos and reformatting. ...
2014-10-18Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Include fixes for netrom and dsa (Fabian Frederick and Florian Fainelli) 2) Fix FIXED_PHY support in stmmac, from Giuseppe CAVALLARO. 3) Several SKB use after free fixes (vxlan, openvswitch, vxlan, ip_tunnel, fou), from Li ROngQing. 4) fec driver PTP support fixes from Luwei Zhou and Nimrod Andy. 5) Use after free in virtio_net, from Michael S Tsirkin. 6) Fix flow mask handling for megaflows in openvswitch, from Pravin B Shelar. 7) ISDN gigaset and capi bug fixes from Tilman Schmidt. 8) Fix route leak in ip_send_unicast_reply(), from Vasily Averin. 9) Fix two eBPF JIT bugs on x86, from Alexei Starovoitov. 10) TCP_SKB_CB() reorganization caused a few regressions, fixed by Cong Wang and Eric Dumazet. 11) Don't overwrite end of SKB when parsing malformed sctp ASCONF chunks, from Daniel Borkmann. 12) Don't call sock_kfree_s() with NULL pointers, this function also has the side effect of adjusting the socket memory usage. From Cong Wang. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (90 commits) bna: fix skb->truesize underestimation net: dsa: add includes for ethtool and phy_fixed definitions openvswitch: Set flow-key members. netrom: use linux/uaccess.h dsa: Fix conversion from host device to mii bus tipc: fix bug in bundled buffer reception ipv6: introduce tcp_v6_iif() sfc: add support for skb->xmit_more r8152: return -EBUSY for runtime suspend ipv4: fix a potential use after free in fou.c ipv4: fix a potential use after free in ip_tunnel_core.c hyperv: Add handling of IP header with option field in netvsc_set_hash() openvswitch: Create right mask with disabled megaflows vxlan: fix a free after use openvswitch: fix a use after free ipv4: dst_entry leak in ip_send_unicast_reply() ipv4: clean up cookie_v4_check() ipv4: share tcp_v4_save_options() with cookie_v4_check() ipv4: call __ip_options_echo() in cookie_v4_check() atm: simplify lanai.c by using module_pci_driver ...
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