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2021-02-04bpf/selftests: Add a short note about vmtest.sh in README.rstKP Singh1-0/+24
Add a short note to make contributors aware of the existence of the script. The documentation does not intentionally document all the options of the script to avoid mentioning it in two places (it's available in the usage / help message of the script). Signed-off-by: KP Singh <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-04bpf: Helper script for running BPF presubmit testsKP Singh1-0/+368
The script runs the BPF selftests locally on the same kernel image as they would run post submit in the BPF continuous integration framework. The goal of the script is to allow contributors to run selftests locally in the same environment to check if their changes would end up breaking the BPF CI and reduce the back-and-forth between the maintainers and the developers. Signed-off-by: KP Singh <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Tested-by: Jiri Olsa <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-04KVM: x86: declare Xen HVM shared info capability and add test caseDavid Woodhouse2-0/+170
Instead of adding a plethora of new KVM_CAP_XEN_FOO capabilities, just add bits to the return value of KVM_CAP_XEN_HVM. Signed-off-by: David Woodhouse <[email protected]>
2021-02-04KVM: x86/xen: Fix coexistence of Xen and Hyper-V hypercallsJoao Martins1-6/+33
Disambiguate Xen vs. Hyper-V calls by adding 'orl $0x80000000, %eax' at the start of the Hyper-V hypercall page when Xen hypercalls are also enabled. That bit is reserved in the Hyper-V ABI, and those hypercall numbers will never be used by Xen (because it does precisely the same trick). Switch to using kvm_vcpu_write_guest() while we're at it, instead of open-coding it. Signed-off-by: David Woodhouse <[email protected]>
2021-02-04KVM: x86/xen: intercept xen hypercalls if enabledJoao Martins3-0/+125
Add a new exit reason for emulator to handle Xen hypercalls. Since this means KVM owns the ABI, dispense with the facility for the VMM to provide its own copy of the hypercall pages; just fill them in directly using VMCALL/VMMCALL as we do for the Hyper-V hypercall page. This behaviour is enabled by a new INTERCEPT_HCALL flag in the KVM_XEN_HVM_CONFIG ioctl structure, and advertised by the same flag being returned from the KVM_CAP_XEN_HVM check. Rename xen_hvm_config() to kvm_xen_write_hypercall_page() and move it to the nascent xen.c while we're at it, and add a test case. Signed-off-by: Joao Martins <[email protected]> Signed-off-by: David Woodhouse <[email protected]>
2021-02-04selftest: kvm: x86: test KVM_GET_CPUID2 and guest visible CPUIDs against ↵Vitaly Kuznetsov5-0/+233
KVM_GET_SUPPORTED_CPUID Commit 181f494888d5 ("KVM: x86: fix CPUID entries returned by KVM_GET_CPUID2 ioctl") revealed that we're not testing KVM_GET_CPUID2 ioctl at all. Add a test for it and also check that from inside the guest visible CPUIDs are equal to it's output. Signed-off-by: Vitaly Kuznetsov <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04selftests: kvm/x86: add test for pmu msr MSR_IA32_PERF_CAPABILITIESLike Xu5-1/+169
This test will check the effect of various CPUID settings on the MSR_IA32_PERF_CAPABILITIES MSR, check that whatever user space writes with KVM_SET_MSR is _not_ modified from the guest and can be retrieved with KVM_GET_MSR, and check that invalid LBR formats are rejected. Signed-off-by: Like Xu <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Disable dirty logging with vCPUs runningBen Gardon1-5/+5
Disabling dirty logging is much more intestesting from a testing perspective if the vCPUs are still running. This also excercises the code-path in which collapsible SPTEs must be faulted back in at a higher level after disabling dirty logging. To: [email protected] CC: Peter Xu <[email protected]> CC: Andrew Jones <[email protected]> CC: Thomas Huth <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Add backing src parameter to dirty_log_perf_testBen Gardon8-15/+63
Add a parameter to control the backing memory type for dirty_log_perf_test so that the test can be run with hugepages. To: [email protected] CC: Peter Xu <[email protected]> CC: Andrew Jones <[email protected]> CC: Thomas Huth <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Add memslot modification stress testBen Gardon3-0/+213
Add a memslot modification stress test in which a memslot is repeatedly created and removed while vCPUs access memory in another memslot. Most userspaces do not create or remove memslots on running VMs which makes it hard to test races in adding and removing memslots without a dedicated test. Adding and removing a memslot also has the effect of tearing down the entire paging structure, which leads to more page faults and pressure on the page fault handling path than a one-and-done memory population test. Reviewed-by: Jacob Xu <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Add option to overlap vCPU memory accessBen Gardon4-18/+57
Add an option to overlap the ranges of memory each vCPU accesses instead of partitioning them. This option will increase the probability of multiple vCPUs faulting on the same page at the same time, and causing interesting races, if there are bugs in the page fault handler or elsewhere in the kernel. Reviewed-by: Jacob Xu <[email protected]> Reviewed-by: Makarand Sonare <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Fix population stage in dirty_log_perf_testBen Gardon1-3/+8
Currently the population stage in the dirty_log_perf_test does nothing as the per-vCPU iteration counters are not initialized and the loop does not wait for each vCPU. Remedy those errors. Reviewed-by: Jacob Xu <[email protected]> Reviewed-by: Makarand Sonare <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Convert iterations to int in dirty_log_perf_testBen Gardon1-13/+13
In order to add an iteration -1 to indicate that the memory population phase has not yet completed, convert the interations counters to ints. No functional change intended. Reviewed-by: Jacob Xu <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Avoid flooding debug log while populating memoryBen Gardon1-5/+4
Peter Xu pointed out that a log message printed while waiting for the memory population phase of the dirty_log_perf_test will flood the debug logs as there is no delay after printing the message. Since the message does not provide much value anyway, remove it. Reviewed-by: Jacob Xu <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Rename timespec_diff_now to timespec_elapsedBen Gardon4-13/+13
In response to some earlier comments from Peter Xu, rename timespec_diff_now to the much more sensible timespec_elapsed. No functional change intended. Reviewed-by: Jacob Xu <[email protected]> Reviewed-by: Makarand Sonare <[email protected]> Signed-off-by: Ben Gardon <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-04KVM: selftests: Test IPI to halted vCPU in xAPIC while backing page movesPeter Shier4-0/+566
When a guest is using xAPIC KVM allocates a backing page for the required EPT entry for the APIC access address set in the VMCS. If mm decides to move that page the KVM mmu notifier will update the VMCS with the new HPA. This test induces a page move to test that APIC access continues to work correctly. It is a directed test for commit e649b3f0188f "KVM: x86: Fix APIC page invalidation race". Tested: ran for 1 hour on a skylake, migrating backing page every 1ms Depends on patch "selftests: kvm: Add exception handling to selftests" from [email protected] that has not yet been queued. Signed-off-by: Peter Shier <[email protected]> Reviewed-by: Jim Mattson <[email protected]> Reviewed-by: Ricardo Koller <[email protected]> Message-Id: <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
2021-02-03selftests/tls: fix selftest with CHACHA20-POLY1305Vadim Fedorenko1-5/+10
TLS selftests were broken also because of use of structure that was not exported to UAPI. Fix by defining the union in tests. Fixes: 4f336e88a870 (selftests/tls: add CHACHA20-POLY1305 to tls selftests) Reported-by: Rong Chen <[email protected]> Signed-off-by: Vadim Fedorenko <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-03net: selftests: Add lanes setting testDanielle Ratson3-0/+249
Test that setting lanes parameter is working. Set max speed and max lanes in the list of advertised link modes, and then try to set max speed with the lanes below max lanes if exists in the list. And then, test that setting number of lanes larger than max lanes fails. Do the above for both autoneg on and off. $ ./ethtool_lanes.sh TEST: 4 lanes is autonegotiated [ OK ] TEST: Lanes number larger than max width is not set [ OK ] TEST: Autoneg off, 4 lanes detected during force mode [ OK ] TEST: Lanes number larger than max width is not set [ OK ] Signed-off-by: Danielle Ratson <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-04selftests: netfilter: fix current yearFabian Frederick1-1/+1
use date %Y instead of %G to read current year Problem appeared when running lkp-tests on 01/01/2021 Fixes: 48d072c4e8cd ("selftests: netfilter: add time counter check") Reported-by: kernel test robot <[email protected]> Signed-off-by: Fabian Frederick <[email protected]> Signed-off-by: Pablo Neira Ayuso <[email protected]>
2021-02-03selftest/bpf: Testing for multiple logs on REJECTAndrei Matei1-3/+13
This patch adds support to verifier tests to check for a succession of verifier log messages on program load failure. This makes the errstr field work uniformly across REJECT and VERBOSE_ACCEPT checks. This patch also increases the maximum size of a message in the series of messages to test from 80 chars to 200 chars. This is in order to keep existing tests working, which sometimes test for messages larger than 80 chars (which was accepted in the REJECT case, when testing for a single message, but not in the VERBOSE_ACCEPT case, when testing for possibly multiple messages). And example of such a long, checked message is in bounds.c: "R1 has unknown scalar with mixed signed bounds, pointer arithmetic with it prohibited for !root" Signed-off-by: Andrei Matei <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Song Liu <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-02selftests/bpf: Fix a compiler warning in local_storage testKP Singh1-1/+1
Some compilers trigger a warning when tmp_dir_path is allocated with a fixed size of 64-bytes and used in the following snprintf: snprintf(tmp_exec_path, sizeof(tmp_exec_path), "%s/copy_of_rm", tmp_dir_path); warning: ‘/copy_of_rm’ directive output may be truncated writing 11 bytes into a region of size between 1 and 64 [-Wformat-truncation=] This is because it assumes that tmp_dir_path can be a maximum of 64 bytes long and, therefore, the end-result can get truncated. Fix it by not using a fixed size in the initialization of tmp_dir_path which allows the compiler to track actual size of the array better. Fixes: 2f94ac191846 ("bpf: Update local storage test to check handling of null ptrs") Signed-off-by: KP Singh <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-02selftests: mptcp: add testcases for ADD_ADDR with portGeliang Tang1-1/+159
This patch adds testcases for ADD_ADDR with port and the related MIB counters check in chk_add_nr. The output looks like this: 24 signal address with port syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] - pt [ ok ] syn[ ok ] - synack[ ok ] - ack[ ok ] syn[ ok ] - ack [ ok ] 25 subflow and signal with port syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] - pt [ ok ] syn[ ok ] - synack[ ok ] - ack[ ok ] syn[ ok ] - ack [ ok ] 26 remove single address with port syn[ ok ] - synack[ ok ] - ack[ ok ] add[ ok ] - echo [ ok ] - pt [ ok ] syn[ ok ] - synack[ ok ] - ack[ ok ] syn[ ok ] - ack [ ok ] rm [ ok ] - sf [ ok ] Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-02selftests: mptcp: add port argument for pm_nl_ctlGeliang Tang1-2/+22
This patch adds a new argument for pm_nl_ctl tool. We can use it like this: # pm_nl_ctl add 10.0.2.1 flags signal port 10100 # pm_nl_ctl dump id 1 flags signal 10.0.2.1 10100 Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-02selftests: mptcp: add testcases for newly added addressesGeliang Tang1-2/+71
This patch adds testcases to create subflows or signal addresses for the newly added IPv4 or IPv6 addresses. Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-02selftests: mptcp: use minus values for removing address numbersGeliang Tang1-15/+17
This patch changes the removing addresses numbers to minus values, left the plus values for the adding addresses numbers. Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-02bpf: Propagate stack bounds to registers in atomics w/ BPF_FETCHBrendan Jackman3-0/+66
When BPF_FETCH is set, atomic instructions load a value from memory into a register. The current verifier code first checks via check_mem_access whether we can access the memory, and then checks via check_reg_arg whether we can write into the register. For loads, check_reg_arg has the side-effect of marking the register's value as unkonwn, and check_mem_access has the side effect of propagating bounds from memory to the register. This currently only takes effect for stack memory. Therefore with the current order, bounds information is thrown away, but by simply reversing the order of check_reg_arg vs. check_mem_access, we can instead propagate bounds smartly. A simple test is added with an infinite loop that can only be proved unreachable if this propagation is present. This is implemented both with C and directly in test_verifier using assembly. Suggested-by: John Fastabend <[email protected]> Signed-off-by: Brendan Jackman <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-02-02selftests: netdevsim: Add fib_notifications testAmit Cohen1-0/+300
Add test to check fib notifications behavior. The test checks route addition, route deletion and route replacement for both IPv4 and IPv6. When fib_notify_on_flag_change=0, expect single notification for route addition/deletion/replacement. When fib_notify_on_flag_change=1, expect: - two notification for route addition/replacement, first without RTM_F_TRAP and second with RTM_F_TRAP. - single notification for route deletion. $ ./fib_notifications.sh TEST: IPv4 route addition [ OK ] TEST: IPv4 route deletion [ OK ] TEST: IPv4 route replacement [ OK ] TEST: IPv6 route addition [ OK ] TEST: IPv6 route deletion [ OK ] TEST: IPv6 route replacement [ OK ] Signed-off-by: Amit Cohen <[email protected]> Signed-off-by: Ido Schimmel <[email protected]> Reviewed-by: David Ahern <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-02-02selftests: Extend fib tests to run with and without flags notificationsAmit Cohen2-0/+28
Run the test cases with both `fib_notify_on_flag_change` sysctls set to '1', and then with both sysctls set to '0' to verify there are no regressions in the test when notifications are added. Signed-off-by: Amit Cohen <[email protected]> Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-31selftests/powerpc: Add VF recovery testsOliver O'Halloran3-0/+188
The basic EEH test ignores VFs since we the way the eeh_dev_break debugfs interface works means that if multiple VFs are enabled we may cause errors on all them them. However, we can work around that by only enabling a single VF at a time. This patch adds some infrastructure for finding SR-IOV capable devices and enabling / disabling VFs so we can exercise the VF specific EEH recovery paths. Two new tests are added, one for testing EEH aware devices and one for EEH un-aware VFs. Signed-off-by: Oliver O'Halloran <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-01-31selftests/powerpc: Use stderr for debug messages in eeh-functionsOliver O'Halloran1-8/+12
We want to use stdout to return lists of devices, etc so log debug / status messages to stderr rather than stdout. Signed-off-by: Oliver O'Halloran <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-01-31selftests/powerpc: Hoist helper code out of eeh-basicOliver O'Halloran2-36/+51
Hoist some of the useful test environment checking and prep code into eeh-functions.sh so they can be reused in other tests. Signed-off-by: Oliver O'Halloran <[email protected]> Signed-off-by: Michael Ellerman <[email protected]> Link: https://lore.kernel.org/r/[email protected]
2021-01-29selftests: Add nci suiteBongsu Jeon4-0/+609
This is the NCI test suite. It tests the NFC/NCI module using virtual NCI device. Test cases consist of making the virtual NCI device on/off and controlling the device's polling for NCI1.0 and NCI2.0 version. Signed-off-by: Bongsu Jeon <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-28Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski6-6/+52
drivers/net/can/dev.c b552766c872f ("can: dev: prevent potential information leak in can_fill_info()") 3e77f70e7345 ("can: dev: move driver related infrastructure into separate subdir") 0a042c6ec991 ("can: dev: move netlink related code into seperate file") Code move. drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c 57ac4a31c483 ("net/mlx5e: Correctly handle changing the number of queues when the interface is down") 214baf22870c ("net/mlx5e: Support HTB offload") Adjacent code changes net/switchdev/switchdev.c 20776b465c0c ("net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP") ffb68fc58e96 ("net: switchdev: remove the transaction structure from port object notifiers") bae33f2b5afe ("net: switchdev: remove the transaction structure from port attributes") Transaction parameter gets dropped otherwise keep the fix. Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-29bpf: Enable bpf_{g,s}etsockopt in BPF_CGROUP_UDP{4,6}_RECVMSGStanislav Fomichev2-0/+10
Those hooks run as BPF_CGROUP_RUN_SA_PROG_LOCK and operate on a locked socket. Note that we could remove the switch for prog->expected_attach_type altogether since all current sock_addr attach types are covered. However, it makes sense to keep it as a safe-guard in case new sock_addr attach types are added that might not operate on a locked socket. Therefore, avoid to let this slip through. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-29selftests/bpf: Rewrite recvmsg{4,6} asm progs to c in test_sock_addrStanislav Fomichev3-74/+92
I'll extend them in the next patch. It's easier to work with C than with asm. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-29bpf: Enable bpf_{g,s}etsockopt in BPF_CGROUP_INET{4,6}_GET{PEER,SOCK}NAMEStanislav Fomichev2-0/+16
Those hooks run as BPF_CGROUP_RUN_SA_PROG_LOCK and operate on a locked socket. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-29bpf: Enable bpf_{g,s}etsockopt in BPF_CGROUP_UDP{4,6}_SENDMSGStanislav Fomichev3-0/+33
Can be used to query/modify socket state for unconnected UDP sendmsg. Those hooks run as BPF_CGROUP_RUN_SA_PROG_LOCK and operate on a locked socket. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-29tools: Factor Clang, LLC and LLVM utils definitionsSedat Dilek2-4/+1
When dealing with BPF/BTF/pahole and DWARF v5 I wanted to build bpftool. While looking into the source code I found duplicate assignments in misc tools for the LLVM eco system, e.g. clang and llvm-objcopy. Move the Clang, LLC and/or LLVM utils definitions to tools/scripts/Makefile.include file and add missing includes where needed. Honestly, I was inspired by the commit c8a950d0d3b9 ("tools: Factor HOSTCC, HOSTLD, HOSTAR definitions"). I tested with bpftool and perf on Debian/testing AMD64 and LLVM/Clang v11.1.0-rc1. Build instructions: [ make and make-options ] MAKE="make V=1" MAKE_OPTS="HOSTCC=clang HOSTCXX=clang++ HOSTLD=ld.lld CC=clang LD=ld.lld LLVM=1 LLVM_IAS=1" MAKE_OPTS="$MAKE_OPTS PAHOLE=/opt/pahole/bin/pahole" [ clean-up ] $MAKE $MAKE_OPTS -C tools/ clean [ bpftool ] $MAKE $MAKE_OPTS -C tools/bpf/bpftool/ [ perf ] PYTHON=python3 $MAKE $MAKE_OPTS -C tools/perf/ I was careful with respecting the user's wish to override custom compiler, linker, GNU/binutils and/or LLVM utils settings. Signed-off-by: Sedat Dilek <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Andrii Nakryiko <[email protected]> Acked-by: Jiri Olsa <[email protected]> # tools/build and tools/perf Link: https://lore.kernel.org/bpf/[email protected]
2021-01-28Merge tag 'net-5.11-rc6' of ↵Linus Torvalds3-3/+46
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Jakub Kicinski: "Networking fixes including fixes from can, xfrm, wireless, wireless-drivers and netfilter trees. Nothing scary, Intel WiFi-related fixes seemed most notable to the users. Current release - regressions: - dsa: microchip: ksz8795: fix KSZ8794 port map again to program the CPU port correctly Current release - new code bugs: - iwlwifi: pcie: reschedule in long-running memory reads Previous releases - regressions: - iwlwifi: dbg: don't try to overwrite read-only FW data - iwlwifi: provide gso_type to GSO packets - octeontx2: make sure the buffer is 128 byte aligned - tcp: make TCP_USER_TIMEOUT accurate for zero window probes - xfrm: fix wraparound in xfrm_policy_addr_delta() - xfrm: fix oops in xfrm_replay_advance_bmp due to a race between CPUs in presence of packet reorder - tcp: fix TLP timer not set when CA_STATE changes from DISORDER to OPEN - wext: fix NULL-ptr-dereference with cfg80211's lack of commit() Previous releases - always broken: - igc: fix link speed advertising - stmmac: configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing - team: protect features update by RCU to avoid deadlock - xfrm: fix disable_xfrm sysctl when used on xfrm interfaces themselves - fec: fix temporary RMII clock reset on link up - can: dev: prevent potential information leak in can_fill_info() Misc: - mrp: fix bad packing of MRP test packet structures - uapi: fix big endian definition of ipv6_rpl_sr_hdr - add David Ahern to IPv4/IPv6 maintainers" * tag 'net-5.11-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (86 commits) rxrpc: Fix memory leak in rxrpc_lookup_local mlxsw: spectrum_span: Do not overwrite policer configuration selftests: forwarding: Specify interface when invoking mausezahn stmmac: intel: Configure EHL PSE0 GbE and PSE1 GbE to 32 bits DMA addressing net: usb: cdc_ether: added support for Thales Cinterion PLSx3 modem family. ibmvnic: Ensure that CRQ entry read are correctly ordered MAINTAINERS: add missing header for bonding net: decnet: fix netdev refcount leaking on error path net: switchdev: don't set port_obj_info->handled true when -EOPNOTSUPP can: dev: prevent potential information leak in can_fill_info() net: fec: Fix temporary RMII clock reset on link up net: lapb: Add locking to the lapb module team: protect features update by RCU to avoid deadlock MAINTAINERS: add David Ahern to IPv4/IPv6 maintainers net/mlx5: CT: Fix incorrect removal of tuple_nat_node from nat rhashtable net/mlx5e: Revert parameters on errors when changing MTU and LRO state without reset net/mlx5e: Revert parameters on errors when changing trust state without reset net/mlx5e: Correctly handle changing the number of queues when the interface is down net/mlx5e: Fix CT rule + encap slow path offload and deletion net/mlx5e: Disable hw-tc-offload when MLX5_CLS_ACT config is disabled ...
2021-01-28selftests: forwarding: Specify interface when invoking mausezahnDanielle Ratson2-2/+2
Specify the interface through which packets should be transmitted so that the test will pass regardless of the libnet version against which mausezahn is linked. Fixes: cab14d1087d9 ("selftests: Add version of router_multipath.sh using nexthop objects") Fixes: 3d578d879517 ("selftests: forwarding: Test IPv4 weighted nexthops") Signed-off-by: Danielle Ratson <[email protected]> Signed-off-by: Ido Schimmel <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-27selftests/bpf: Verify that rebinding to port < 1024 from BPF worksStanislav Fomichev2-0/+154
Return 3 to indicate that permission check for port 111 should be skipped. Signed-off-by: Stanislav Fomichev <[email protected]> Signed-off-by: Alexei Starovoitov <[email protected]> Acked-by: Martin KaFai Lau <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-27selftests: increase timeout to 10 minMatthieu Baerts1-1/+1
On slow systems with kernel debug settings, we can reach the current timeout when all tests are executed. Likely some tests need be improved to remove some 'sleep' and wait (less) for a specific action. This can also improve stability. Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-27selftests: mptcp: add IPv4-mapped IPv6 testcasesGeliang Tang1-0/+75
Here, we make sure we support IPv4-mapped in IPv6 addresses in different contexts: - a v4-mapped address is received by the PM and can be used as v4. - a v4 address is received by the PM and can be used even with a v4 mapped socket. We also make sure we don't try to establish subflows between v4 and v6 addresses, e.g. if a real v6 address ends with a valid v4 address. Co-developed-by: Matthieu Baerts <[email protected]> Signed-off-by: Matthieu Baerts <[email protected]> Signed-off-by: Geliang Tang <[email protected]> Signed-off-by: Mat Martineau <[email protected]> Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-26selftests: add IPv4 unicast extensions testsSeth David Schoen2-0/+229
Add selftests for kernel behavior with regard to various classes of unallocated/reserved IPv4 addresses, checking whether or not these addresses can be assigned as unicast addresses on links and used in routing. Expect the current kernel behavior at the time of this patch. That is: * 0/8 and 240/4 may be used as unicast, with the exceptions of 0.0.0.0 and 255.255.255.255; * the lowest address in a subnet may only be used as a broadcast address; * 127/8 may not be used as unicast (the route_localnet option, which is disabled by default, still leaves it treated slightly specially); * 224/4 may not be used as unicast. Signed-off-by: Seth David Schoen <[email protected]> Suggested-by: John Gilmore <[email protected]> Acked-by: Dave Taht <[email protected]> Reviewed-by: David Ahern <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Jakub Kicinski <[email protected]>
2021-01-26selftests/bpf: Don't exit on failed bpf_testmod unloadAndrii Nakryiko1-1/+1
Fix bug in handling bpf_testmod unloading that will cause test_progs exiting prematurely if bpf_testmod unloading failed. This is especially problematic when running a subset of test_progs that doesn't require root permissions and doesn't rely on bpf_testmod, yet will fail immediately due to exit(1) in unload_bpf_testmod(). Fixes: 9f7fa225894c ("selftests/bpf: Add bpf_testmod kernel module for testing") Signed-off-by: Andrii Nakryiko <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-26selftests/bpf: Avoid useless void *-castsBjörn Töpel1-5/+5
There is no need to cast to void * when the argument is void *. Avoid cluttering of code. Signed-off-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-26selftests/bpf: Consistent malloc/calloc usageBjörn Töpel1-7/+7
Use calloc instead of malloc where it makes sense, and avoid C++-style void *-cast. Signed-off-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-26selftests/bpf: Avoid heap allocationBjörn Töpel1-5/+4
The data variable is only used locally. Instead of using the heap, stick to using the stack. Signed-off-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-26selftests/bpf: Define local variables at the beginning of a blockBjörn Töpel1-5/+7
Use C89 rules for variable definition. Signed-off-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
2021-01-26selftests/bpf: Change type from void * to struct generic_data *Björn Töpel1-4/+4
Instead of casting from void *, let us use the actual type in gen_udp_hdr(). Signed-off-by: Björn Töpel <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
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