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2019-02-01net: tls: Set async_capable for tls zerocopy only if we see EINPROGRESSDave Watson
Currently we don't zerocopy if the crypto framework async bit is set. However some crypto algorithms (such as x86 AESNI) support async, but in the context of sendmsg, will never run asynchronously. Instead, check for actual EINPROGRESS return code before assuming algorithm is async. Signed-off-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-01net: tls: Add tls 1.3 supportDave Watson
TLS 1.3 has minor changes from TLS 1.2 at the record layer. * Header now hardcodes the same version and application content type in the header. * The real content type is appended after the data, before encryption (or after decryption). * The IV is xored with the sequence number, instead of concatinating four bytes of IV with the explicit IV. * Zero-padding: No exlicit length is given, we search backwards from the end of the decrypted data for the first non-zero byte, which is the content type. Currently recv supports reading zero-padding, but there is no way for send to add zero padding. Signed-off-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-01net: tls: Refactor tls aad space size calculationDave Watson
TLS 1.3 has a different AAD size, use a variable in the code to make TLS 1.3 support easy. Signed-off-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-01net: tls: Support 256 bit keysDave Watson
Wire up support for 256 bit keys from the setsockopt to the crypto framework Signed-off-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-01Merge tag 'batadv-next-for-davem-20190201' of ↵David S. Miller
git://git.open-mesh.org/linux-merge Simon Wunderlich says: ==================== This feature/cleanup patchset includes the following patches: - bump version strings, by Simon Wunderlich - Add DHCPACKs for DAT snooping, by Linus Luessing - Update copyright years for 2019, by Sven Eckelmann ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-02-01mac80211: fix missing/malformed documentationJohannes Berg
Fix the missing and malformed documentation that kernel-doc and sphinx warn about. While at it, also add some things to the docs to fix missing links. Sadly, the only way I could find to fix this was to add some trailing whitespace. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-01cfg80211: add missing documentation that kernel-doc warns aboutJohannes Berg
Add the missing documentation that kernel-doc continually warns about, to get rid of all that noise. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-01netlink: reduce NLA_POLICY_NESTED{,_ARRAY} argumentsJohannes Berg
In typical cases, there's no need to pass both the maxattr and the policy array pointer, as the maxattr should just be ARRAY_SIZE(policy) - 1. Therefore, to be less error prone, just remove the maxattr argument from the default macros and deduce the size accordingly. Leave the original macros with a leading underscore to use here and in case somebody needs to pass a policy pointer where the policy isn't declared in the same place and thus ARRAY_SIZE() cannot be used. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-01Merge remote-tracking branch 'net-next/master' into mac80211-nextJohannes Berg
Merge net-next so that we get the changes from net, which would otherwise conflict with the NLA_POLICY_NESTED/_ARRAY changes. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-01cfg80211: fix typoMatteo Croce
Fix spelling mistake in cfg80211.h: "lenght" -> "length". The typo is also in the special comment block which translates to documentation. Signed-off-by: Matteo Croce <mcroce@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-02-01mac80211: Fix documentation strings for airtime-related variablesToke Høiland-Jørgensen
There was a typo in the documentation for weight_multiplier in mac80211.h, and the doc was missing entirely for airtime and airtime_weight in sta_info.h. Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
2019-01-30mlxsw: spectrum_acl: Add C-TCAM spill tracepointJiri Pirko
Add some visibility to the rule addition process and trace whenever rule spilled into C-TCAM. Signed-off-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Ido Schimmel <idosch@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: add SCTP_FUTURE_ASOC and SCTP_CURRENT_ASSOC for SCTP_STREAM_SCHEDULER ↵Xin Long
sockopt Check with SCTP_ALL_ASSOC instead in sctp_setsockopt_scheduler and check with SCTP_FUTURE_ASSOC instead in sctp_getsockopt_scheduler, it's compatible with 0. SCTP_CURRENT_ASSOC is supported for SCTP_STREAM_SCHEDULER in this patch. It also adds default_ss in sctp_sock to support SCTP_FUTURE_ASSOC. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: add SCTP_FUTURE_ASSOC for SCTP_PEER_ADDR_THLDS sockoptXin Long
Check with SCTP_FUTURE_ASSOC instead in sctp_set/getsockopt_paddr_thresholds, it's compatible with 0. It also adds pf_retrans in sctp_sock to support SCTP_FUTURE_ASSOC. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-30sctp: introduce SCTP_FUTURE/CURRENT/ALL_ASSOCXin Long
This patch is to add 3 constants SCTP_FUTURE_ASSOC, SCTP_CURRENT_ASSOC and SCTP_ALL_ASSOC for reserved assoc_ids, as defined in rfc6458#section-7.2. And add the process for them when doing lookup and inserting in sctp_id2assoc and sctp_assoc_set_id. Signed-off-by: Xin Long <lucien.xin@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add a generic wake_on_lan port parameterVasundhara Volam
wake_on_lan - Enables Wake on Lan for this port. If enabled, the controller asserts a wake pin based on the WOL type. v2->v3: - Define only WOL types used now and define them as bitfield, so that mutliple WOL types can be enabled upon power on. - Modify "wake-on-lan" name to "wake_on_lan" to be symmetric with previous definitions. - Rename DEVLINK_PARAM_WOL_XXX to DEVLINK_PARAM_WAKE_XXX to be symmetrical with ethtool WOL definitions. Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add devlink notifications support for port paramsVasundhara Volam
Add notification call for devlink port param set, register and unregister functions. Add devlink_port_param_value_changed() function to enable the driver notify devlink on value change. Driver should use this function after value was changed on any configuration mode part to driverinit. v7->v8: Order devlink_port_param_value_changed() definitions followed by devlink_param_value_changed() Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add support for driverinit set value for devlink_portVasundhara Volam
Add support for "driverinit" configuration mode value for devlink_port configuration parameters. Add devlink_port_param_driverinit_value_set() function to help the driver set the value to devlink_port. Also, move the common code to __devlink_param_driverinit_value_set() to be used by both device and port params. v7->v8: Re-order the definitions as follows: __devlink_param_driverinit_value_get __devlink_param_driverinit_value_set devlink_param_driverinit_value_get devlink_param_driverinit_value_set devlink_port_param_driverinit_value_get devlink_port_param_driverinit_value_set Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add support for driverinit get value for devlink_portVasundhara Volam
Add support for "driverinit" configuration mode value for devlink_port configuration parameters. Add devlink_port_param_driverinit_value_get() function to help the driver get the value from devlink_port. Also, move the common code to __devlink_param_driverinit_value_get() to be used by both device and port params. v7->v8: -Add the missing devlink_port_param_driverinit_value_get() declaration. -Also, order devlink_port_param_driverinit_value_get() after devlink_param_driverinit_value_get/set() calls Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add port param set commandVasundhara Volam
Add port param set command to set the value for a parameter. Value can be set to any of the supported configuration modes. v7->v8: Append "Acked-by: Jiri Pirko <jiri@mellanox.com>" Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add port param get commandVasundhara Volam
Add port param get command which gets data per parameter. It also has option to dump the parameters data per port. v7->v8: Append "Acked-by: Jiri Pirko <jiri@mellanox.com>" Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29devlink: Add devlink_param for port register and unregisterVasundhara Volam
Add functions to register and unregister for the driver supported configuration parameters table per port. v7->v8: - Order the definitions following way as suggested by Jiri. __devlink_params_register __devlink_params_unregister devlink_params_register devlink_params_unregister devlink_port_params_register devlink_port_params_unregister - Append with Acked-by: Jiri Pirko <jiri@mellanox.com>. v2->v3: - Add a helper __devlink_params_register() with common code used by both devlink_params_register() and devlink_port_params_register(). Cc: Jiri Pirko <jiri@mellanox.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com> Acked-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2019-01-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Need to save away the IV across tls async operations, from Dave Watson. 2) Upon successful packet processing, we should liberate the SKB with dev_consume_skb{_irq}(). From Yang Wei. 3) Only apply RX hang workaround on effected macb chips, from Harini Katakam. 4) Dummy netdev need a proper namespace assigned to them, from Josh Elsasser. 5) Some paths of nft_compat run lockless now, and thus we need to use a proper refcnt_t. From Florian Westphal. 6) Avoid deadlock in mlx5 by doing IRQ locking, from Moni Shoua. 7) netrom does not refcount sockets properly wrt. timers, fix that by using the sock timer API. From Cong Wang. 8) Fix locking of inexact inserts of xfrm policies, from Florian Westphal. 9) Missing xfrm hash generation bump, also from Florian. 10) Missing of_node_put() in hns driver, from Yonglong Liu. 11) Fix DN_IFREQ_SIZE, from Johannes Berg. 12) ip6mr notifier is invoked during traversal of wrong table, from Nir Dotan. 13) TX promisc settings not performed correctly in qed, from Manish Chopra. 14) Fix OOB access in vhost, from Jason Wang. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (52 commits) MAINTAINERS: Add entry for XDP (eXpress Data Path) net: set default network namespace in init_dummy_netdev() net: b44: replace dev_kfree_skb_xxx by dev_consume_skb_xxx for drop profiles net: caif: call dev_consume_skb_any when skb xmit done net: 8139cp: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles net: macb: Apply RXUBR workaround only to versions with errata net: ti: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles net: apple: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles net: amd8111e: replace dev_kfree_skb_irq by dev_consume_skb_irq net: alteon: replace dev_kfree_skb_irq by dev_consume_skb_irq net: tls: Fix deadlock in free_resources tx net: tls: Save iv in tls_rec for async crypto requests vhost: fix OOB in get_rx_bufs() qed: Fix stack out of bounds bug qed: Fix system crash in ll2 xmit qed: Fix VF probe failure while FLR qed: Fix LACP pdu drops for VFs qed: Fix bug in tx promiscuous mode settings net: i825xx: replace dev_kfree_skb_irq by dev_consume_skb_irq for drop profiles netfilter: ipt_CLUSTERIP: fix warning unused variable cn ...
2019-01-28net: tls: Save iv in tls_rec for async crypto requestsDave Watson
aead_request_set_crypt takes an iv pointer, and we change the iv soon after setting it. Some async crypto algorithms don't save the iv, so we need to save it in the tls_rec for async requests. Found by hardcoding x64 aesni to use async crypto manager (to test the async codepath), however I don't think this combination can happen in the wild. Presumably other hardware offloads will need this fix, but there have been no user reports. Fixes: a42055e8d2c30 ("Add support for async encryption of records...") Signed-off-by: Dave Watson <davejwatson@fb.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-nextDavid S. Miller
Daniel Borkmann says: ==================== pull-request: bpf-next 2019-01-29 The following pull-request contains BPF updates for your *net-next* tree. The main changes are: 1) Teach verifier dead code removal, this also allows for optimizing / removing conditional branches around dead code and to shrink the resulting image. Code store constrained architectures like nfp would have hard time doing this at JIT level, from Jakub. 2) Add JMP32 instructions to BPF ISA in order to allow for optimizing code generation for 32-bit sub-registers. Evaluation shows that this can result in code reduction of ~5-20% compared to 64 bit-only code generation. Also add implementation for most JITs, from Jiong. 3) Add support for __int128 types in BTF which is also needed for vmlinux's BTF conversion to work, from Yonghong. 4) Add a new command to bpftool in order to dump a list of BPF-related parameters from the system or for a specific network device e.g. in terms of available prog/map types or helper functions, from Quentin. 5) Add AF_XDP sock_diag interface for querying sockets from user space which provides information about the RX/TX/fill/completion rings, umem, memory usage etc, from Björn. 6) Add skb context access for skb_shared_info->gso_segs field, from Eric. 7) Add support for testing flow dissector BPF programs by extending existing BPF_PROG_TEST_RUN infrastructure, from Stanislav. 8) Split BPF kselftest's test_verifier into various subgroups of tests in order better deal with merge conflicts in this area, from Jakub. 9) Add support for queue/stack manipulations in bpftool, from Stanislav. 10) Document BTF, from Yonghong. 11) Dump supported ELF section names in libbpf on program load failure, from Taeung. 12) Silence a false positive compiler warning in verifier's BTF handling, from Peter. 13) Fix help string in bpftool's feature probing, from Prashant. 14) Remove duplicate includes in BPF kselftests, from Yue. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller
Pablo Neira Ayuso says: ==================== Netfilter/IPVS updates for net-next The following patchset contains Netfilter/IPVS updates for your net-next tree: 1) Introduce a hashtable to speed up object lookups, from Florian Westphal. 2) Make direct calls to built-in extension, also from Florian. 3) Call helper before confirming the conntrack as it used to be originally, from Florian. 4) Call request_module() to autoload br_netfilter when physdev is used to relax the dependency, also from Florian. 5) Allow to insert rules at a given position ID that is internal to the batch, from Phil Sutter. 6) Several patches to replace conntrack indirections by direct calls, and to reduce modularization, from Florian. This also includes several follow up patches to deal with minor fallout from this rework. 7) Use RCU from conntrack gre helper, from Florian. 8) GRE conntrack module becomes built-in into nf_conntrack, from Florian. 9) Replace nf_ct_invert_tuplepr() by calls to nf_ct_invert_tuple(), from Florian. 10) Unify sysctl handling at the core of nf_conntrack, from Florian. 11) Provide modparam to register conntrack hooks. 12) Allow to match on the interface kind string, from wenxu. 13) Remove several exported symbols, not required anymore now after a bit of de-modulatization work has been done, from Florian. 14) Remove built-in map support in the hash extension, this can be done with the existing userspace infrastructure, from laura. 15) Remove indirection to calculate checksums in IPVS, from Matteo Croce. 16) Use call wrappers for indirection in IPVS, also from Matteo. 17) Remove superfluous __percpu parameter in nft_counter, patch from Luc Van Oostenryck. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-29bpf: add BPF_PROG_TEST_RUN support for flow dissectorStanislav Fomichev
The input is packet data, the output is struct bpf_flow_key. This should make it easy to test flow dissector programs without elaborate setup. Signed-off-by: Stanislav Fomichev <sdf@google.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-29net/flow_dissector: move bpf case into __skb_flow_bpf_dissectStanislav Fomichev
This way, we can reuse it for flow dissector in BPF_PROG_TEST_RUN. No functional changes. Signed-off-by: Stanislav Fomichev <sdf@google.com> Acked-by: Song Liu <songliubraving@fb.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2019-01-28qede: Error recovery processTomer Tayar
This patch adds the error recovery process in the qede driver. The process includes a partial/customized driver unload and load, which allows it to look like a short suspend period to the kernel while preserving the net devices' state. Signed-off-by: Tomer Tayar <tomer.tayar@cavium.com> Signed-off-by: Ariel Elior <ariel.elior@cavium.com> Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-28qed: Add infrastructure for error detection and recoveryTomer Tayar
This patch adds the detection and handling of a parity error ("process kill event"), including the update of the protocol drivers, and the prevention of any HW access that will lead to device access towards the host while recovery is in progress. It also provides the means for the protocol drivers to trigger a recovery process on their decision. Signed-off-by: Tomer Tayar <tomer.tayar@cavium.com> Signed-off-by: Ariel Elior <ariel.elior@cavium.com> Signed-off-by: Michal Kalderon <michal.kalderon@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-28netfilter: ipv4: remove useless export_symbolFlorian Westphal
Only one caller; place it where needed and get rid of the EXPORT_SYMBOL. Signed-off-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-01-28ipvs: avoid indirect calls when calculating checksumsMatteo Croce
The function pointer ip_vs_protocol->csum_check is only used in protocol specific code, and never in the generic one. Remove the function pointer from struct ip_vs_protocol and call the checksum functions directly. This reduces the performance impact of the Spectre mitigation, and should give a small improvement even with RETPOLINES disabled. Signed-off-by: Matteo Croce <mcroce@redhat.com> Acked-by: Julian Anastasov <ja@ssi.bg> Acked-by: Simon Horman <horms@verge.net.au> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2019-01-27tcp: change pingpong threshold to 3Wei Wang
In order to be more confident about an on-going interactive session, we increment pingpong count by 1 for every interactive transaction and we adjust TCP_PINGPONG_THRESH to 3. This means, we only consider a session in pingpong mode after we see 3 interactive transactions, and start to activate delayed acks in quick ack mode. And in order to not over-count the credits, we only increase pingpong count for the first packet sent in response for the previous received packet. This is mainly to prevent delaying the ack immediately after some handshake protocol but no real interactive traffic pattern afterwards. Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-27tcp: Refactor pingpong codeWei Wang
Instead of using pingpong as a single bit information, we refactor the code to treat it as a counter. When interactive session is detected, we set pingpong count to TCP_PINGPONG_THRESH. And when pingpong count is >= TCP_PINGPONG_THRESH, we consider the session in pingpong mode. This patch is a pure refactor and sets foundation for the next patch. This patch itself does not change any pingpong logic. Signed-off-by: Wei Wang <weiwan@google.com> Signed-off-by: Yuchung Cheng <ycheng@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-27Merge branch 'locking-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull locking fixes from Thomas Gleixner: "A small series of fixes which all address possible missed wakeups: - Document and fix the wakeup ordering of wake_q - Add the missing barrier in rcuwait_wake_up(), which was documented in the comment but missing in the code - Fix the possible missed wakeups in the rwsem and futex code" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: locking/rwsem: Fix (possible) missed wakeup futex: Fix (possible) missed wakeup sched/wake_q: Fix wakeup ordering for wake_q sched/wake_q: Document wake_q_add() sched/wait: Fix rcuwait_wake_up() ordering
2019-01-27Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Thomas Gleixner: "A small set of fixes for the interrupt subsystem: - Fix a double increment in the irq descriptor allocator which resulted in a sanity check only being done for every second affinity mask - Add a missing device tree translation in the stm32-exti driver. Without that the interrupt association is completely wrong. - Initialize the mutex in the GIC-V3 MBI driver - Fix the alignment for aliasing devices in the GIC-V3-ITS driver so multi MSI allocations work correctly - Ensure that the initial affinity of a interrupt is not empty at startup time. - Drop bogus include in the madera irq chip driver - Fix KernelDoc regression" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/gic-v3-its: Align PCI Multi-MSI allocation on their size genirq/irqdesc: Fix double increment in alloc_descs() genirq: Fix the kerneldoc comment for struct irq_affinity_desc irqchip/madera: Drop GPIO includes irqchip/gic-v3-mbi: Fix uninitialized mbi_lock irqchip/stm32-exti: Add domain translate function genirq: Make sure the initial affinity is not empty
2019-01-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller
2019-01-27Merge tag 'dma-mapping-5.0-2' of git://git.infradead.org/users/hch/dma-mappingLinus Torvalds
Pull dma-mapping fix from Christoph Hellwig: "Fix a xen-swiotlb regression on arm64" * tag 'dma-mapping-5.0-2' of git://git.infradead.org/users/hch/dma-mapping: arm64/xen: fix xen-swiotlb cache flushing
2019-01-27Merge tag 'libnvdimm-fixes-5.0-rc4' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm fixes from Dan Williams: "A fix for namespace label support for non-Intel NVDIMMs that implement the ACPI standard label method. This has apparently never worked and could wait for v5.1. However it has enough visibility with hardware vendors [1] and distro bug trackers [2], and low enough risk that I decided it should go in for -rc4. The other fixups target the new, for v5.0, nvdimm security functionality. The larger init path fixup closes a memory leak and a potential userspace lockup due to missed notifications. [1] https://github.com/pmem/ndctl/issues/78 [2] https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1811785 These have all soaked in -next for a week with no reported issues. Summary: - Fix support for NVDIMMs that implement the ACPI standard label methods. - Fix error handling for security overwrite (memory leak / userspace hang condition), and another one-line security cleanup" * tag 'libnvdimm-fixes-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: acpi/nfit: Fix command-supported detection acpi/nfit: Block function zero DSMs libnvdimm/security: Require nvdimm_security_setup_events() to succeed nfit_test: fix security state pull for nvdimm security nfit_test
2019-01-27Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: "A fixup for the input_event fix for y2038 Sparc64, and couple other minor fixes" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: input_event - fix the CONFIG_SPARC64 mixup Input: olpc_apsp - assign priv->dev earlier Input: uinput - fix undefined behavior in uinput_validate_absinfo() Input: raspberrypi-ts - fix link error Input: xpad - add support for SteelSeries Stratus Duo Input: input_event - provide override for sparc64
2019-01-27Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netLinus Torvalds
Pull networking fixes from David Miller: 1) Count ttl-dropped frames properly in mac80211, from Bob Copeland. 2) Integer overflow in ktime handling of bcm can code, from Oliver Hartkopp. 3) Fix RX desc handling wrt. hw checksumming in ravb, from Simon Horman. 4) Various hash key fixes in hv_netvsc, from Haiyang Zhang. 5) Use after free in ax25, from Eric Dumazet. 6) Several fixes to the SSN support in SCTP, from Xin Long. 7) Do not process frames after a NAPI reschedule in ibmveth, from Thomas Falcon. 8) Fix NLA_POLICY_NESTED arguments, from Johannes Berg. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (42 commits) qed: Revert error handling changes. cfg80211: extend range deviation for DMG cfg80211: reg: remove warn_on for a normal case mac80211: Add attribute aligned(2) to struct 'action' mac80211: don't initiate TDLS connection if station is not associated to AP nl80211: fix NLA_POLICY_NESTED() arguments ibmveth: Do not process frames after calling napi_reschedule net: dev_is_mac_header_xmit() true for ARPHRD_RAWIP net: usb: asix: ax88772_bind return error when hw_reset fail MAINTAINERS: Update cavium networking drivers net/mlx4_core: Fix error handling when initializing CQ bufs in the driver net/mlx4_core: Add masking for a few queries on HCA caps sctp: set flow sport from saddr only when it's 0 sctp: set chunk transport correctly when it's a new asoc sctp: improve the events for sctp stream adding sctp: improve the events for sctp stream reset ip_tunnel: Make none-tunnel-dst tunnel port work with lwtunnel ax25: fix possible use-after-free sfc: suppress duplicate nvmem partition types in efx_ef10_mtd_probe hv_netvsc: fix typos in code comments ...
2019-01-26bpf: JIT blinds support JMP32Jiong Wang
This patch adds JIT blinds support for JMP32. Like BPF_JMP_REG/IMM, JMP32 version are needed for building raw bpf insn. They are added to both include/linux/filter.h and tools/include/linux/filter.h. Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-26bpf: allocate 0x06 to new eBPF instruction class JMP32Jiong Wang
The new eBPF instruction class JMP32 uses the reserved class number 0x6. Kernel BPF ISA documentation updated accordingly. Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: Jiong Wang <jiong.wang@netronome.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2019-01-26Merge tag 'for-linus-20190125' of git://git.kernel.dk/linux-blockLinus Torvalds
Pull block fixes from Jens Axboe: "A collection of fixes for this release. This contains: - Silence sparse rightfully complaining about non-static wbt functions (Bart) - Fixes for the zoned comments/ioctl documentation (Damien) - direct-io fix that's been lingering for a while (Ernesto) - cgroup writeback fix (Tejun) - Set of NVMe patches for nvme-rdma/tcp (Sagi, Hannes, Raju) - Block recursion tracking fix (Ming) - Fix debugfs command flag naming for a few flags (Jianchao)" * tag 'for-linus-20190125' of git://git.kernel.dk/linux-block: block: Fix comment typo uapi: fix ioctl documentation blk-wbt: Declare local functions static blk-mq: fix the cmd_flag_name array nvme-multipath: drop optimization for static ANA group IDs nvmet-rdma: fix null dereference under heavy load nvme-rdma: rework queue maps handling nvme-tcp: fix timeout handler nvme-rdma: fix timeout handler writeback: synchronize sync(2) against cgroup writeback membership switches block: cover another queue enter recursion via BIO_QUEUE_ENTERED direct-io: allow direct writes to empty inodes
2019-01-26ip_tunnel: Add tnl_update_pmtu in ip_md_tunnel_xmitwenxu
Add tnl_update_pmtu in ip_md_tunnel_xmit to dynamic modify the pmtu which packet send through collect_metadata mode ip tunnel Signed-off-by: wenxu <wenxu@ucloud.cn> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-25tcp: allow zerocopy with fastopenWillem de Bruijn
Accept MSG_ZEROCOPY in all the TCP states that allow sendmsg. Remove the explicit check for ESTABLISHED and CLOSE_WAIT states. This requires correctly handling zerocopy state (uarg, sk_zckey) in all paths reachable from other TCP states. Such as the EPIPE case in sk_stream_wait_connect, which a sendmsg() in incorrect state will now hit. Most paths are already safe. Only extension needed is for TCP Fastopen active open. This can build an skb with data in tcp_send_syn_data. Pass the uarg along with other fastopen state, so that this skb also generates a zerocopy notification on release. Tested with active and passive tcp fastopen packetdrill scripts at https://github.com/wdebruij/packetdrill/commit/1747eef03d25a2404e8132817d0f1244fd6f129d Signed-off-by: Willem de Bruijn <willemb@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-25net: IP6 defrag: use rbtrees for IPv6 defragPeter Oskolkov
Currently, IPv6 defragmentation code drops non-last fragments that are smaller than 1280 bytes: see commit 0ed4229b08c1 ("ipv6: defrag: drop non-last frags smaller than min mtu") This behavior is not specified in IPv6 RFCs and appears to break compatibility with some IPv6 implemenations, as reported here: https://www.spinics.net/lists/netdev/msg543846.html This patch re-uses common IP defragmentation queueing and reassembly code in IPv6, removing the 1280 byte restriction. Signed-off-by: Peter Oskolkov <posk@google.com> Reported-by: Tom Herbert <tom@herbertland.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-25net: IP defrag: encapsulate rbtree defrag code into callable functionsPeter Oskolkov
This is a refactoring patch: without changing runtime behavior, it moves rbtree-related code from IPv4-specific files/functions into .h/.c defrag files shared with IPv6 defragmentation code. Signed-off-by: Peter Oskolkov <posk@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Florian Westphal <fw@strlen.de> Cc: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2019-01-25qed: Revert error handling changes.David S. Miller
This is new code and not bug fixes. This reverts all changes added by merge commit 8fb18be93efd7292d6ee403b9f61af1008239639 Signed-off-by: David S. Miller <davem@davemloft.net>
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